/* roulang page: index */
:root {
            --color-dark: #0D0F12;
            --color-accent: #FF5E13;
            --color-accent-light: #FF7B3D;
            --color-bg: #F7F7F7;
            --color-text: #1A1D21;
            --color-muted: #6B7280;
            --color-border: #E5E7EB;
            --color-white: #FFFFFF;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 28px rgba(0, 0, 0, 0.10);
            --transition-fast: 0.2s ease-out;
            --transition-smooth: 0.25s ease-out;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text);
            background-color: #ffffff;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all var(--transition-smooth);
        }
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }
        input,
        textarea {
            font-family: inherit;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            font-size: 1rem;
            transition: border-color var(--transition-fast);
            width: 100%;
            background: #fff;
        }
        input:focus,
        textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(255, 94, 19, 0.08);
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* 导航 */
        .header-brand-bar {
            background: rgba(13, 15, 18, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 68px;
            display: flex;
            align-items: center;
        }
        .header-brand-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            color: #fff;
            letter-spacing: -1px;
        }
        .logo-text {
            font-weight: 900;
            font-size: 1.3rem;
            color: #ffffff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-trigger {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ccc;
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: none;
        }
        .search-trigger:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #fff;
        }
        .search-dropdown {
            position: absolute;
            top: 68px;
            right: 24px;
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
            padding: 16px;
            width: 320px;
            display: none;
            z-index: 110;
        }
        .search-dropdown.active {
            display: block;
        }
        .search-dropdown input {
            width: 100%;
            padding: 10px 14px;
            border-radius: 6px;
            border: 1px solid #e0e0e0;
            font-size: 0.95rem;
        }
        .btn-cta-nav {
            background: var(--color-accent);
            color: #fff;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
        }
        .btn-cta-nav:hover {
            background: var(--color-accent-light);
            transform: scale(1.03);
        }

        .header-tabs-bar {
            background: #fff;
            border-bottom: 1px solid #eee;
            position: sticky;
            top: 68px;
            z-index: 99;
            height: 50px;
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .header-tabs-bar::-webkit-scrollbar {
            display: none;
        }
        .tabs-inner {
            display: flex;
            gap: 4px;
            white-space: nowrap;
            padding: 0 24px;
            min-width: max-content;
        }
        .tab-pill {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #555;
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
            border: none;
            background: transparent;
        }
        .tab-pill:hover {
            color: var(--color-accent);
            background: rgba(255, 94, 19, 0.05);
        }
        .tab-pill.active {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(255, 94, 19, 0.3);
        }

        /* 移动端汉堡菜单 */
        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.08);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            border: none;
            z-index: 120;
        }
        .mobile-menu-btn span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }
        .mobile-menu-btn.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-btn.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-btn.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 115;
            padding: 20px;
            flex-direction: column;
            gap: 6px;
            overflow-y: auto;
        }
        .mobile-nav-panel.open {
            display: flex;
        }
        .mobile-nav-panel .tab-pill {
            display: block;
            text-align: center;
            padding: 14px;
            border-radius: 10px;
            font-size: 1rem;
            border: 1px solid #eee;
        }

        @media (max-width: 768px) {
            .header-tabs-bar {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .header-brand-bar {
                height: 60px;
            }
            .logo-text {
                font-size: 1.1rem;
            }
            .btn-cta-nav {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
        }

        /* Hero 无大图首屏 */
        .hero-no-image {
            background: #ffffff;
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
        }
        .hero-no-image::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 94, 19, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-icon-matrix {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-icon-item {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: #f9f9f9;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
            flex-shrink: 0;
        }
        .hero-icon-item:hover {
            border-color: var(--color-accent);
            background: #fff;
            box-shadow: 0 4px 16px rgba(255, 94, 19, 0.1);
            transform: translateY(-2px);
        }
        .hero-status-bar {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #f5f5f5;
            border-radius: 20px;
            padding: 8px 16px;
            font-size: 0.85rem;
            color: #555;
            margin-bottom: 20px;
            font-weight: 500;
        }
        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #22c55e;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(34, 197, 94, 0);
            }
        }
        .hero-title-short {
            font-size: 3.2rem;
            font-weight: 900;
            color: var(--color-dark);
            letter-spacing: -0.5px;
            line-height: 1.15;
            margin-bottom: 12px;
            max-width: 700px;
        }
        .hero-title-short .accent {
            color: var(--color-accent);
        }
        .hero-desc {
            font-size: 1.1rem;
            color: #555;
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .hero-cta-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-primary:hover {
            background: var(--color-accent-light);
            transform: scale(1.03);
            box-shadow: 0 6px 20px rgba(255, 94, 19, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-dark);
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid #d0d0d0;
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(255, 94, 19, 0.04);
        }

        @media (max-width: 768px) {
            .hero-title-short {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-icon-matrix {
                gap: 10px;
            }
            .hero-icon-item {
                width: 44px;
                height: 44px;
                font-size: 1.3rem;
                border-radius: 10px;
            }
        }

        /* 板块通用 */
        .section-block {
            padding: 60px 0;
        }
        .section-block.bg-gray {
            background: #f9fafb;
        }
        .section-block.bg-dark {
            background: var(--color-dark);
            color: #fff;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 900;
            letter-spacing: -0.3px;
            margin-bottom: 8px;
            color: inherit;
        }
        .section-subtitle {
            font-size: 1rem;
            color: #777;
            margin-bottom: 36px;
            max-width: 600px;
            line-height: 1.6;
        }
        .bg-dark .section-subtitle {
            color: #aaa;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-block {
                padding: 40px 0;
            }
        }

        /* 卡片 */
        .card-generic {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid #f0f0f0;
            transition: all var(--transition-smooth);
            overflow: hidden;
        }
        .card-generic:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #e0e0e0;
        }
        .card-generic .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .card-generic .card-body {
            padding: 20px;
        }
        .card-tag {
            display: inline-block;
            background: rgba(255, 94, 19, 0.08);
            color: var(--color-accent);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            margin-bottom: 8px;
        }

        /* 系列导航卡片 */
        .nav-card-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }
        @media (max-width: 1024px) {
            .nav-card-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 520px) {
            .nav-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .nav-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 20px 16px;
            text-align: center;
            border: 1px solid #f0f0f0;
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: block;
            text-decoration: none;
            color: inherit;
        }
        .nav-card:hover {
            border-color: var(--color-accent);
            box-shadow: 0 6px 20px rgba(255, 94, 19, 0.08);
            transform: translateY(-2px);
        }
        .nav-card .nav-card-icon {
            font-size: 2rem;
            margin-bottom: 8px;
        }
        .nav-card .nav-card-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-dark);
        }
        .nav-card .nav-card-desc {
            font-size: 0.78rem;
            color: #999;
            margin-top: 4px;
        }

        /* 爆款陈列 */
        .hot-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 20px;
        }
        @media (max-width: 1024px) {
            .hot-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 640px) {
            .hot-grid {
                grid-template-columns: 1fr;
            }
        }
        .hot-card-large {
            grid-row: span 2;
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-card);
            border: 1px solid #f0f0f0;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .hot-card-large:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .hot-card-large img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }
        .hot-card-large .hot-card-body {
            padding: 20px;
        }
        .hot-card-sm {
            border-radius: var(--radius-card);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-card);
            border: 1px solid #f0f0f0;
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: flex;
            gap: 14px;
            padding: 16px;
            align-items: center;
        }
        .hot-card-sm:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .hot-card-sm img {
            width: 80px;
            height: 80px;
            object-fit: cover;
            border-radius: 8px;
            flex-shrink: 0;
        }
        .hot-card-sm .hot-sm-info {
            flex: 1;
        }
        .hot-card-sm .hot-sm-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-dark);
            margin-bottom: 4px;
        }
        .hot-card-sm .hot-sm-desc {
            font-size: 0.8rem;
            color: #888;
            line-height: 1.4;
        }

        /* 资讯列表 */
        .news-list-wrap {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 28px;
        }
        @media (max-width: 768px) {
            .news-list-wrap {
                grid-template-columns: 1fr;
            }
        }
        .news-list-main {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid #f0f0f0;
            transition: all var(--transition-fast);
            cursor: pointer;
            align-items: flex-start;
        }
        .news-item:hover {
            background: #fafafa;
            padding-left: 8px;
            border-radius: 4px;
        }
        .news-item .news-date {
            font-size: 0.8rem;
            color: #aaa;
            white-space: nowrap;
            font-weight: 500;
            min-width: 70px;
            padding-top: 2px;
        }
        .news-item .news-info {
            flex: 1;
        }
        .news-item .news-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-dark);
            margin-bottom: 3px;
            line-height: 1.4;
        }
        .news-item .news-summary {
            font-size: 0.82rem;
            color: #888;
            line-height: 1.5;
            margin-bottom: 4px;
        }
        .news-item .news-readmore {
            font-size: 0.8rem;
            color: var(--color-accent);
            font-weight: 600;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-item .news-readmore:hover {
            gap: 8px;
            color: var(--color-accent-light);
        }
        .news-sidebar-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 20px;
            border: 1px solid #f0f0f0;
            box-shadow: var(--shadow-card);
            height: fit-content;
            position: sticky;
            top: 140px;
        }
        .news-sidebar-card img {
            width: 100%;
            border-radius: 8px;
            margin-bottom: 12px;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .news-sidebar-card .side-title {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 6px;
        }

        /* 会员入口 */
        .member-entry {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: center;
        }
        @media (max-width: 768px) {
            .member-entry {
                grid-template-columns: 1fr;
            }
        }
        .member-visual {
            background: linear-gradient(135deg, #1a1d21 0%, #2a2d33 100%);
            border-radius: var(--radius-card);
            padding: 40px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: #fff;
            min-height: 280px;
            position: relative;
            overflow: hidden;
        }
        .member-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 70% 30%, rgba(255, 94, 19, 0.2) 0%, transparent 60%);
            pointer-events: none;
        }
        .member-visual .member-badge {
            font-size: 3rem;
            font-weight: 900;
            color: var(--color-accent);
            position: relative;
            z-index: 1;
        }
        .member-visual .member-label {
            font-size: 1.3rem;
            font-weight: 700;
            position: relative;
            z-index: 1;
            margin-top: 8px;
        }
        .member-info-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .member-info-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            background: #fff;
            border-radius: 10px;
            border: 1px solid #f0f0f0;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .member-info-item:hover {
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
            border-color: #e0e0e0;
        }
        .member-info-item .check-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 94, 19, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-weight: 700;
            flex-shrink: 0;
        }

        /* 套餐对比 */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            align-items: stretch;
        }
        @media (max-width: 1024px) {
            .pricing-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }
        }
        @media (max-width: 768px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }
        }
        .pricing-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 28px 22px;
            border: 2px solid #f0f0f0;
            transition: all var(--transition-smooth);
            text-align: center;
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .pricing-card:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .pricing-card.recommended {
            border-color: var(--color-accent);
            box-shadow: 0 6px 24px rgba(255, 94, 19, 0.12);
            transform: scale(1.03);
            z-index: 2;
        }
        .pricing-card.recommended::before {
            content: '推荐';
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-accent);
            color: #fff;
            padding: 5px 16px;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: 700;
            white-space: nowrap;
        }
        .pricing-name {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 6px;
            color: var(--color-dark);
        }
        .pricing-price {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--color-dark);
            margin-bottom: 16px;
        }
        .pricing-price .unit {
            font-size: 0.9rem;
            font-weight: 400;
            color: #999;
        }
        .pricing-features {
            list-style: none;
            padding: 0;
            text-align: left;
            flex: 1;
            margin-bottom: 20px;
        }
        .pricing-features li {
            padding: 6px 0;
            font-size: 0.85rem;
            color: #555;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .pricing-features li::before {
            content: '✓';
            color: #22c55e;
            font-weight: 700;
            flex-shrink: 0;
        }
        .btn-pricing {
            width: 100%;
            padding: 12px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: 2px solid #d0d0d0;
            background: #fff;
            color: var(--color-dark);
        }
        .btn-pricing:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .btn-pricing.primary-fill {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }
        .btn-pricing.primary-fill:hover {
            background: var(--color-accent-light);
            border-color: var(--color-accent-light);
        }

        /* 热门专题 */
        .topic-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .topic-tag {
            padding: 10px 18px;
            border-radius: 20px;
            background: #fff;
            border: 1px solid #e8e8e8;
            font-size: 0.9rem;
            font-weight: 500;
            color: #444;
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
        }
        .topic-tag:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(255, 94, 19, 0.04);
            transform: translateY(-1px);
        }
        .topic-tag.hot {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            font-weight: 600;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid #eee;
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 0;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-dark);
            background: transparent;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            border: none;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f5f5f5;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-smooth);
            flex-shrink: 0;
            font-size: 1.2rem;
            font-weight: 700;
            color: #666;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease-out, padding 0.35s ease-out;
            padding: 0 0;
            color: #666;
            line-height: 1.7;
            font-size: 0.95rem;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 0 18px;
        }

        /* 品牌故事背景 */
        .brand-story-bg {
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
            color: #fff;
            padding: 70px 0;
        }
        .brand-story-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(13, 15, 18, 0.82);
            z-index: 1;
        }
        .brand-story-bg .container-custom {
            position: relative;
            z-index: 2;
        }

        /* 数据指标 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
        }
        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: #999;
            font-weight: 500;
        }

        /* 流程步骤 */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        @media (max-width: 768px) {
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .steps-row {
                grid-template-columns: 1fr;
            }
        }
        .step-item {
            text-align: center;
            padding: 20px;
            position: relative;
        }
        .step-circle {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.3rem;
            margin: 0 auto 14px;
            position: relative;
            z-index: 2;
        }
        .step-item .step-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-dark);
            margin-bottom: 4px;
        }
        .step-item .step-desc {
            font-size: 0.85rem;
            color: #888;
            line-height: 1.5;
        }

        /* 用户评价 */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 24px;
            border: 1px solid #f0f0f0;
            box-shadow: var(--shadow-card);
        }
        .testimonial-card .quote {
            font-size: 0.95rem;
            color: #555;
            line-height: 1.7;
            margin-bottom: 12px;
            font-style: italic;
        }
        .testimonial-card .author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-dark);
        }
        .testimonial-card .author-role {
            font-size: 0.78rem;
            color: #aaa;
        }

        /* CTA 联系 */
        .cta-contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: start;
        }
        @media (max-width: 768px) {
            .cta-contact-grid {
                grid-template-columns: 1fr;
            }
        }
        .contact-form-wrap {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid #f0f0f0;
        }
        .contact-form-wrap .form-row {
            margin-bottom: 14px;
        }
        .contact-form-wrap label {
            display: block;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 4px;
            color: var(--color-dark);
        }
        .btn-submit {
            background: var(--color-accent);
            color: #fff;
            padding: 13px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            border: none;
            width: 100%;
            transition: all var(--transition-smooth);
        }
        .btn-submit:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 20px rgba(255, 94, 19, 0.3);
        }

        /* Footer */
        .site-footer {
            background: var(--color-deep);
            color: #bbb;
            padding: 40px 0 24px;
            font-size: 0.85rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-bottom: 28px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            margin-bottom: 12px;
            font-size: 0.95rem;
        }
        .footer-col a {
            display: block;
            color: #999;
            padding: 3px 0;
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: #888;
        }
        .footer-bottom a {
            color: #aaa;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* 动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-in {
            animation: fadeInUp 0.5s ease-out forwards;
        }

/* roulang page: category2 */
:root {
            --color-dark: #0D0F12;
            --color-accent: #FF5E13;
            --color-accent-light: #FF7B3D;
            --color-bg: #F7F7F7;
            --color-text: #1A1D21;
            --color-muted: #6B7280;
            --color-border: #E5E7EB;
            --color-white: #FFFFFF;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 28px rgba(0, 0, 0, 0.10);
            --transition-fast: 0.2s ease-out;
            --transition-smooth: 0.25s ease-out;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text);
            background-color: #ffffff;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all var(--transition-smooth);
        }

        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        input,
        textarea {
            font-family: inherit;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            font-size: 1rem;
            transition: border-color var(--transition-fast);
            width: 100%;
            background: #fff;
        }

        input:focus,
        textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(255, 94, 19, 0.08);
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* 导航 - 品牌栏 */
        .header-brand-bar {
            background: rgba(13, 15, 18, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 68px;
            display: flex;
            align-items: center;
        }

        .header-brand-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            color: #fff;
            letter-spacing: -1px;
            flex-shrink: 0;
        }

        .logo-text {
            font-weight: 900;
            font-size: 1.3rem;
            color: #ffffff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-trigger {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ccc;
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: none;
            font-size: 1rem;
        }

        .search-trigger:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #fff;
        }

        .search-dropdown {
            position: absolute;
            top: 68px;
            right: 24px;
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
            padding: 16px;
            width: 320px;
            display: none;
            z-index: 110;
        }

        .search-dropdown.active {
            display: block;
        }

        .search-dropdown input {
            width: 100%;
            padding: 10px 14px;
            border-radius: 6px;
            border: 1px solid #e0e0e0;
            font-size: 0.95rem;
        }

        .btn-cta-nav {
            background: var(--color-accent);
            color: #fff;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
        }

        .btn-cta-nav:hover {
            background: var(--color-accent-light);
            transform: scale(1.03);
        }

        /* 频道Tabs导航 */
        .header-tabs-bar {
            background: #fff;
            border-bottom: 1px solid #eee;
            position: sticky;
            top: 68px;
            z-index: 99;
            height: 50px;
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .header-tabs-bar::-webkit-scrollbar {
            display: none;
        }

        .tabs-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
            flex-shrink: 0;
        }

        .tab-pill {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #555;
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
            border: none;
            background: transparent;
            flex-shrink: 0;
        }

        .tab-pill:hover {
            color: var(--color-accent);
            background: rgba(255, 94, 19, 0.05);
        }
        .tab-pill.active {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(255, 94, 19, 0.25);
        }

        /* 移动端导航 */
        @media (max-width: 768px) {
            .header-brand-inner {
                padding: 0 12px;
            }
            .logo-text {
                font-size: 1.1rem;
            }
            .btn-cta-nav {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .search-dropdown {
                right: 8px;
                width: 280px;
            }
            .tabs-inner {
                padding: 0 8px;
                gap: 2px;
            }
            .tab-pill {
                padding: 6px 12px;
                font-size: 0.8rem;
                border-radius: 16px;
            }
            .header-tabs-bar {
                top: 60px;
                height: 44px;
            }
            .header-brand-bar {
                height: 60px;
            }
        }

        @media (max-width: 520px) {
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
                border-radius: 6px;
            }
            .logo-text {
                font-size: 0.95rem;
            }
            .btn-cta-nav {
                display: none;
            }
            .search-trigger {
                width: 34px;
                height: 34px;
            }
            .tab-pill {
                padding: 5px 10px;
                font-size: 0.75rem;
            }
            .header-tabs-bar {
                height: 40px;
                top: 54px;
            }
            .header-brand-bar {
                height: 54px;
            }
        }

        /* 分类页Hero */
        .category-hero {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            background: var(--color-dark);
            overflow: hidden;
        }

        .category-hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
        }

        .category-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(13, 15, 18, 0.7) 0%, rgba(13, 15, 18, 0.9) 100%);
            z-index: 1;
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            max-width: 1280px;
            margin: 0 auto;
            padding: 60px 24px;
            width: 100%;
        }

        .category-hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: #fff;
            margin: 0 0 12px 0;
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

        .category-hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            line-height: 1.7;
            margin: 0;
        }

        @media (max-width: 768px) {
            .category-hero {
                min-height: 240px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .category-hero-desc {
                font-size: 0.95rem;
            }
            .category-hero-content {
                padding: 40px 16px;
            }
        }

        @media (max-width: 520px) {
            .category-hero {
                min-height: 200px;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero-desc {
                font-size: 0.85rem;
            }
            .category-hero-badge {
                font-size: 0.75rem;
                padding: 4px 12px;
            }
        }

        /* 新闻列表 */
        .news-list-section {
            padding: 48px 0;
            background: #fff;
        }

        .news-list-section .container-custom {
            max-width: 960px;
        }

        .section-header-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .section-header-row h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-dark);
            margin: 0;
            position: relative;
            padding-left: 16px;
        }

        .section-header-row h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .filter-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-tag {
            padding: 6px 14px;
            border-radius: 16px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid var(--color-border);
            background: #fff;
            color: #555;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .filter-tag.active-filter {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid #f0f0f0;
            transition: all var(--transition-smooth);
            cursor: pointer;
            align-items: flex-start;
        }

        .news-item:hover {
            background: #fafafa;
            padding-left: 8px;
            border-radius: 8px;
        }

        .news-item-image {
            width: 180px;
            min-width: 180px;
            height: 120px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .news-item-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .news-item:hover .news-item-image img {
            transform: scale(1.04);
        }

        .news-item-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .news-item-date {
            font-size: 0.8rem;
            color: var(--color-muted);
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }

        .news-item-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-dark);
            margin: 0 0 6px 0;
            line-height: 1.4;
            transition: color var(--transition-fast);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item:hover .news-item-title {
            color: var(--color-accent);
        }

        .news-item-excerpt {
            font-size: 0.9rem;
            color: var(--color-muted);
            margin: 0 0 8px 0;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
            align-self: flex-start;
        }

        .news-item-link::after {
            content: '→';
            transition: transform var(--transition-fast);
        }

        .news-item:hover .news-item-link::after {
            transform: translateX(3px);
        }

        @media (max-width: 768px) {
            .news-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px 0;
            }
            .news-item-image {
                width: 100%;
                min-width: 100%;
                height: 180px;
                border-radius: 8px;
            }
            .news-item-title {
                font-size: 1.05rem;
            }
            .news-item-excerpt {
                font-size: 0.85rem;
            }
            .news-list-section {
                padding: 32px 0;
            }
            .section-header-row h2 {
                font-size: 1.35rem;
            }
        }

        @media (max-width: 520px) {
            .news-item-image {
                height: 150px;
            }
            .news-item-title {
                font-size: 0.95rem;
            }
            .filter-tag {
                font-size: 0.75rem;
                padding: 4px 10px;
            }
        }

        /* 分页 */
        .pagination-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 36px 0 16px;
            flex-wrap: wrap;
        }

        .page-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid var(--color-border);
            background: #fff;
            color: #555;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .page-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(255, 94, 19, 0.04);
        }
        .page-btn.active-page {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            box-shadow: 0 2px 8px rgba(255, 94, 19, 0.2);
        }
        .page-btn.page-nav {
            width: auto;
            padding: 0 16px;
            border-radius: 20px;
            font-size: 0.85rem;
        }
        .page-btn.page-dots {
            border: none;
            cursor: default;
            background: transparent;
            color: #999;
            font-weight: 400;
        }
        .page-btn.page-dots:hover {
            border: none;
            color: #999;
            background: transparent;
        }

        /* 订阅CTA */
        .subscribe-cta {
            background: var(--color-dark);
            padding: 56px 0;
            margin-top: 8px;
            position: relative;
            overflow: hidden;
        }

        .subscribe-cta::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: var(--color-accent);
            border-radius: 50%;
            opacity: 0.06;
            pointer-events: none;
        }

        .subscribe-inner {
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 24px;
        }

        .subscribe-inner h3 {
            font-size: 1.8rem;
            font-weight: 900;
            color: #fff;
            margin: 0 0 8px 0;
        }

        .subscribe-inner p {
            color: rgba(255, 255, 255, 0.7);
            margin: 0 0 24px 0;
            font-size: 1rem;
            line-height: 1.6;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border-radius: var(--radius-btn);
            border: 2px solid transparent;
            font-size: 0.95rem;
            background: #fff;
            transition: all var(--transition-fast);
        }

        .subscribe-form input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(255, 94, 19, 0.1);
        }

        .subscribe-form button {
            padding: 14px 28px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .subscribe-form button:hover {
            background: var(--color-accent-light);
            transform: scale(1.03);
            box-shadow: 0 4px 16px rgba(255, 94, 19, 0.35);
        }

        @media (max-width: 520px) {
            .subscribe-inner h3 {
                font-size: 1.4rem;
            }
            .subscribe-inner p {
                font-size: 0.9rem;
            }
            .subscribe-form {
                flex-direction: column;
                align-items: center;
            }
            .subscribe-form input {
                width: 100%;
            }
            .subscribe-form button {
                width: 100%;
            }
            .subscribe-cta {
                padding: 40px 0;
            }
        }

        /* 页脚 */
        .site-footer {
            background: #0a0c0f;
            color: #bbb;
            padding: 48px 0 24px;
            font-size: 0.9rem;
            line-height: 1.8;
        }

        .site-footer .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin: 0 0 12px 0;
            letter-spacing: 0.3px;
        }

        .footer-col a {
            display: block;
            color: #999;
            transition: color var(--transition-fast);
            padding: 2px 0;
            font-size: 0.88rem;
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.82rem;
            color: #888;
        }

        .footer-bottom a {
            color: #999;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        .footer-bottom span {
            display: inline-flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 4px;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                font-size: 0.78rem;
            }
            .site-footer {
                padding: 36px 0 20px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .footer-col h4 {
                font-size: 0.9rem;
            }
            .footer-col a {
                font-size: 0.8rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-dark: #0D0F12;
            --color-accent: #FF5E13;
            --color-accent-light: #FF7B3D;
            --color-bg: #F7F7F7;
            --color-text: #1A1D21;
            --color-muted: #6B7280;
            --color-border: #E5E7EB;
            --color-white: #FFFFFF;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 28px rgba(0, 0, 0, 0.10);
            --transition-fast: 0.2s ease-out;
            --transition-smooth: 0.25s ease-out;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text);
            background-color: #ffffff;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all var(--transition-smooth);
        }

        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        input,
        textarea {
            font-family: inherit;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            font-size: 1rem;
            transition: border-color var(--transition-fast);
            width: 100%;
            background: #fff;
        }

        input:focus,
        textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(255, 94, 19, 0.08);
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* 导航 - 品牌栏 */
        .header-brand-bar {
            background: rgba(13, 15, 18, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 68px;
            display: flex;
            align-items: center;
        }

        .header-brand-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            color: #fff;
            letter-spacing: -1px;
        }

        .logo-text {
            font-weight: 900;
            font-size: 1.3rem;
            color: #ffffff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-trigger {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ccc;
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: none;
        }

        .search-trigger:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #fff;
        }

        .search-dropdown {
            position: absolute;
            top: 68px;
            right: 24px;
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
            padding: 16px;
            width: 320px;
            display: none;
            z-index: 110;
        }

        .search-dropdown.active {
            display: block;
        }

        .search-dropdown input {
            width: 100%;
            padding: 10px 14px;
            border-radius: 6px;
            border: 1px solid #e0e0e0;
            font-size: 0.95rem;
        }

        .btn-cta-nav {
            background: var(--color-accent);
            color: #fff;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
        }

        .btn-cta-nav:hover {
            background: var(--color-accent-light);
            transform: scale(1.03);
        }

        /* 导航 - 频道Tabs */
        .header-tabs-bar {
            background: #fff;
            border-bottom: 1px solid #eee;
            position: sticky;
            top: 68px;
            z-index: 99;
            height: 50px;
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .header-tabs-bar::-webkit-scrollbar {
            display: none;
        }

        .tabs-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0 16px;
            min-width: max-content;
        }

        .tab-pill {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #555;
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
            border: none;
            background: transparent;
        }

        .tab-pill:hover {
            color: var(--color-accent);
            background: rgba(255, 94, 19, 0.05);
        }

        .tab-pill.active {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
        }

        /* 移动端汉堡菜单 */
        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.08);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            padding: 0;
        }

        .mobile-menu-btn span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: flex;
            }
            .header-tabs-bar {
                top: 68px;
                height: auto;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.35s ease-out;
                border-bottom: none;
                position: sticky;
            }
            .header-tabs-bar.mobile-open {
                max-height: 400px;
                border-bottom: 1px solid #eee;
            }
            .tabs-inner {
                flex-wrap: wrap;
                padding: 12px 16px;
                gap: 8px;
            }
            .tab-pill {
                font-size: 0.85rem;
                padding: 7px 14px;
            }
            .search-dropdown {
                right: 8px;
                width: 280px;
                top: 60px;
            }
        }

        /* 分类页Hero */
        .category-hero {
            background: linear-gradient(135deg, rgba(13, 15, 18, 0.88) 0%, rgba(13, 15, 18, 0.72) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-accent);
            opacity: 0.8;
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
        }

        .category-hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
        }

        .category-hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-fast);
        }

        .category-hero-breadcrumb a:hover {
            color: var(--color-accent);
        }

        .category-hero-breadcrumb .separator {
            color: rgba(255, 255, 255, 0.4);
        }

        .category-hero-breadcrumb .current {
            color: var(--color-accent);
            font-weight: 600;
        }

        .category-hero h1 {
            font-size: 3rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: 0.5px;
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .category-hero h1 .accent {
            color: var(--color-accent);
        }

        .category-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .category-hero {
                min-height: 320px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .category-hero .hero-subtitle {
                font-size: 1rem;
            }
            .category-hero-content {
                padding: 40px 0;
            }
        }

        /* 数据亮点卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -40px;
            position: relative;
            z-index: 5;
        }

        .stat-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
        }

        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(255, 94, 19, 0.15);
        }

        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 8px;
            letter-spacing: -1px;
        }

        .stat-card .stat-label {
            font-size: 0.95rem;
            color: var(--color-muted);
            font-weight: 500;
        }

        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                margin-top: -30px;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
                margin-top: -20px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
            .stat-card .stat-label {
                font-size: 0.8rem;
            }
        }

        /* 文章列表区 */
        .articles-section {
            padding: 60px 0;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 36px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 900;
            color: var(--color-dark);
            letter-spacing: 0.3px;
            position: relative;
        }

        .section-header h2::after {
            content: '';
            display: block;
            width: 48px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-top: 8px;
        }

        .section-header .filter-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-tag {
            padding: 7px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid var(--color-border);
            background: #fff;
            color: #555;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .filter-tag.active-tag {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }

        .articles-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .article-item {
            display: flex;
            gap: 20px;
            background: #fff;
            border-radius: var(--radius-card);
            padding: 20px;
            border: 1px solid #f0f0f0;
            transition: all var(--transition-smooth);
            cursor: pointer;
            align-items: flex-start;
        }

        .article-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #e0e0e0;
            transform: translateY(-2px);
        }

        .article-thumb {
            width: 180px;
            height: 120px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            background: #f5f5f5;
        }

        .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .article-item:hover .article-thumb img {
            transform: scale(1.05);
        }

        .article-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
            min-width: 0;
        }

        .article-meta {
            display: flex;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--color-muted);
            align-items: center;
        }

        .article-meta .article-date {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .article-meta .article-tag {
            background: rgba(255, 94, 19, 0.08);
            color: var(--color-accent);
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 500;
        }

        .article-info h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-dark);
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .article-item:hover .article-info h3 {
            color: var(--color-accent);
        }

        .article-info .article-excerpt {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-readmore {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            transition: all var(--transition-fast);
            margin-top: 4px;
        }

        .article-readmore .arrow {
            transition: transform var(--transition-fast);
            display: inline-block;
        }

        .article-item:hover .article-readmore .arrow {
            transform: translateX(4px);
        }

        @media (max-width: 768px) {
            .article-item {
                flex-direction: column;
                padding: 16px;
                gap: 14px;
            }
            .article-thumb {
                width: 100%;
                height: 180px;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .articles-section {
                padding: 40px 0;
            }
        }

        /* 分页 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 6px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .pagination .page-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 500;
            font-size: 0.9rem;
            border: 1px solid var(--color-border);
            background: #fff;
            color: #555;
            cursor: pointer;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .pagination .page-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(255, 94, 19, 0.03);
        }

        .pagination .page-btn.active-page {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            font-weight: 700;
            box-shadow: 0 4px 14px rgba(255, 94, 19, 0.3);
        }

        .pagination .page-btn.page-nav {
            font-size: 1.1rem;
            font-weight: 600;
        }

        .pagination .page-ellipsis {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #999;
            font-weight: 500;
        }

        /* 场景卡片区 */
        .scenarios-section {
            padding: 60px 0;
            background: var(--color-bg);
        }

        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        .scenario-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 32px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
            text-align: center;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(255, 94, 19, 0.12);
        }

        .scenario-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(255, 94, 19, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--color-accent);
        }

        .scenario-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .scenarios-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .scenarios-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAQ */
        .faq-section {
            padding: 60px 0;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 28px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid #f0f0f0;
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: #e0e0e0;
        }

        .faq-question {
            width: 100%;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: #fff;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-dark);
            cursor: pointer;
            border: none;
            text-align: left;
            gap: 12px;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: #fafafa;
        }

        .faq-question .faq-number {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(255, 94, 19, 0.1);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f5f5f5;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-smooth);
            flex-shrink: 0;
            font-size: 1.2rem;
            color: #888;
            line-height: 1;
        }

        .faq-item.open .faq-question .faq-icon {
            background: var(--color-accent);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease-out, padding 0.35s ease-out;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.7;
        }

        /* CTA区域 */
        .cta-section {
            padding: 60px 0;
            background: var(--color-dark);
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 900;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1rem;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: none;
        }

        .btn-cta-lg:hover {
            background: var(--color-accent-light);
            transform: scale(1.04);
            box-shadow: 0 8px 28px rgba(255, 94, 19, 0.35);
        }

        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-smooth);
            cursor: pointer;
            margin-left: 12px;
        }

        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        @media (max-width: 520px) {
            .btn-cta-outline {
                margin-left: 0;
                margin-top: 10px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        /* 页脚 */
        .site-footer {
            background: #111318;
            color: #bbb;
            padding: 48px 0 24px;
            font-size: 0.9rem;
            line-height: 1.8;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-col a {
            display: block;
            color: #999;
            transition: color var(--transition-fast);
            font-size: 0.85rem;
            padding: 2px 0;
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            border-top: 1px solid #2a2d33;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            font-size: 0.8rem;
            color: #888;
        }

        .footer-bottom a {
            color: #999;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }

/* roulang page: category1 */
:root {
            --color-dark: #0D0F12;
            --color-accent: #FF5E13;
            --color-accent-light: #FF7B3D;
            --color-bg: #F7F7F7;
            --color-text: #1A1D21;
            --color-muted: #6B7280;
            --color-border: #E5E7EB;
            --color-white: #FFFFFF;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 28px rgba(0, 0, 0, 0.10);
            --transition-fast: 0.2s ease-out;
            --transition-smooth: 0.25s ease-out;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text);
            background-color: #ffffff;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all var(--transition-smooth);
        }

        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        input,
        textarea {
            font-family: inherit;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            font-size: 1rem;
            transition: border-color var(--transition-fast);
            width: 100%;
            background: #fff;
        }

        input:focus,
        textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(255, 94, 19, 0.08);
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* 导航 */
        .header-brand-bar {
            background: rgba(13, 15, 18, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 68px;
            display: flex;
            align-items: center;
        }

        .header-brand-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .header-brand-inner {
                padding: 0 16px;
            }
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            color: #fff;
            letter-spacing: -1px;
        }

        .logo-text {
            font-weight: 900;
            font-size: 1.3rem;
            color: #ffffff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-trigger {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ccc;
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: none;
        }

        .search-trigger:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #fff;
        }

        .search-dropdown {
            position: absolute;
            top: 68px;
            right: 24px;
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
            padding: 16px;
            width: 320px;
            display: none;
            z-index: 110;
        }

        .search-dropdown.active {
            display: block;
        }

        .search-dropdown input {
            width: 100%;
            padding: 10px 14px;
            border-radius: 6px;
            border: 1px solid #e0e0e0;
            font-size: 0.95rem;
        }

        @media (max-width: 520px) {
            .search-dropdown {
                width: calc(100vw - 32px);
                right: 16px;
            }
        }

        .btn-cta-nav {
            background: var(--color-accent);
            color: #fff;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
        }

        .btn-cta-nav:hover {
            background: var(--color-accent-light);
            transform: scale(1.03);
        }

        .header-tabs-bar {
            background: #fff;
            border-bottom: 1px solid #eee;
            position: sticky;
            top: 68px;
            z-index: 99;
            height: 50px;
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .header-tabs-bar::-webkit-scrollbar {
            display: none;
        }

        .tabs-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0 24px;
            max-width: 1280px;
            margin: 0 auto;
            width: 100%;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .tabs-inner {
                padding: 0 12px;
                gap: 2px;
            }
        }

        .tab-pill {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #555;
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
            border: none;
            background: transparent;
            flex-shrink: 0;
        }

        .tab-pill:hover {
            color: var(--color-accent);
            background: rgba(255, 94, 19, 0.05);
        }

        .tab-pill.active {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(255, 94, 19, 0.25);
        }

        @media (max-width: 768px) {
            .tab-pill {
                padding: 6px 14px;
                font-size: 0.82rem;
            }
        }

        /* 面包屑 */
        .breadcrumb {
            padding: 16px 0;
            font-size: 0.875rem;
            color: var(--color-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-accent);
        }

        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 600;
        }

        .breadcrumb .sep {
            color: #ccc;
            font-size: 0.7rem;
        }

        /* 分类Hero */
        .category-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-radius: 0;
            overflow: hidden;
            margin-bottom: 0;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 15, 18, 0.82) 0%, rgba(13, 15, 18, 0.55) 100%);
            z-index: 1;
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            width: 100%;
        }

        .category-hero-content h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }

        .category-hero-content .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            line-height: 1.7;
            margin: 0 0 24px;
        }

        .category-hero-content .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .hero-stat-item .stat-number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1;
        }

        .hero-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
        }

        @media (max-width: 768px) {
            .category-hero {
                min-height: 320px;
            }
            .category-hero-content h1 {
                font-size: 2rem;
            }
            .category-hero-content .hero-subtitle {
                font-size: 1rem;
            }
            .hero-stat-item .stat-number {
                font-size: 1.5rem;
            }
        }

        /* 卖点数据卡 */
        .highlight-cards-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -40px;
            position: relative;
            z-index: 3;
            padding: 0 24px;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            margin-bottom: 48px;
        }

        .highlight-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            text-align: center;
            transition: all var(--transition-smooth);
            border: 1px solid #f0f0f0;
        }

        .highlight-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .highlight-card .hl-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(255, 94, 19, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 1.4rem;
            color: var(--color-accent);
        }

        .highlight-card .hl-number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--color-dark);
            line-height: 1;
        }

        .highlight-card .hl-label {
            font-size: 0.85rem;
            color: var(--color-muted);
            margin-top: 6px;
        }

        @media (max-width: 1024px) {
            .highlight-cards-row {
                grid-template-columns: repeat(2, 1fr);
                margin-top: -30px;
            }
        }

        @media (max-width: 520px) {
            .highlight-cards-row {
                grid-template-columns: 1fr;
                margin-top: -20px;
                padding: 0 16px;
            }
        }

        /* 文章列表 */
        .section-title-wrap {
            margin-bottom: 32px;
        }

        .section-title-wrap .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 8px;
        }

        .section-title-wrap h2 {
            font-size: 2rem;
            font-weight: 900;
            color: var(--color-dark);
            margin: 0 0 8px;
            letter-spacing: -0.3px;
        }

        .section-title-wrap .section-desc {
            color: var(--color-muted);
            font-size: 0.95rem;
            max-width: 560px;
        }

        .articles-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-top: 1px solid #eee;
        }

        .article-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid #f0f0f0;
            transition: all var(--transition-smooth);
            align-items: flex-start;
            cursor: pointer;
        }

        .article-item:hover {
            background: #fafafa;
            padding-left: 12px;
            border-radius: 4px;
        }

        .article-thumb {
            width: 160px;
            height: 110px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            background: #f5f5f5;
        }

        .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .article-item:hover .article-thumb img {
            transform: scale(1.04);
        }

        .article-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: flex-start;
            min-width: 0;
        }

        .article-date {
            font-size: 0.8rem;
            color: var(--color-muted);
            margin-bottom: 6px;
        }

        .article-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-dark);
            margin: 0 0 8px;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .article-item:hover .article-title {
            color: var(--color-accent);
        }

        .article-excerpt {
            font-size: 0.9rem;
            color: #555;
            line-height: 1.6;
            margin: 0 0 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-readmore {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
            align-self: flex-start;
        }

        .article-item:hover .article-readmore {
            gap: 8px;
        }

        .article-readmore i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }

        .article-item:hover .article-readmore i {
            transform: translateX(3px);
        }

        @media (max-width: 640px) {
            .article-item {
                flex-direction: column;
                gap: 12px;
            }
            .article-thumb {
                width: 100%;
                height: 180px;
            }
            .article-item:hover {
                padding-left: 0;
            }
        }

        /* 分页 */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 40px 0 20px;
            flex-wrap: wrap;
        }

        .page-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid #e0e0e0;
            background: #fff;
            color: #555;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .page-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(255, 94, 19, 0.04);
        }

        .page-btn.active {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            box-shadow: 0 2px 8px rgba(255, 94, 19, 0.25);
        }

        .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
            cursor: default;
        }

        .page-btn-nav {
            padding: 0 16px;
            border-radius: 20px;
            width: auto;
            font-size: 0.85rem;
            gap: 4px;
        }

        /* 场景卡片 */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid #f0f0f0;
            transition: all var(--transition-smooth);
            text-align: center;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .scenario-card .sc-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(13, 15, 18, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.5rem;
            color: var(--color-dark);
        }

        .scenario-card h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin: 0 0 8px;
            color: var(--color-dark);
        }

        .scenario-card p {
            font-size: 0.88rem;
            color: #666;
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 768px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 流程 */
        .steps-row {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            flex-wrap: wrap;
        }

        .step-item {
            flex: 1;
            min-width: 200px;
            text-align: center;
            position: relative;
        }

        .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-dark);
            color: #fff;
            font-weight: 900;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            position: relative;
            z-index: 2;
        }

        .step-item:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 28px;
            left: calc(50% + 28px);
            width: calc(100% - 56px);
            height: 2px;
            background: #e0e0e0;
            z-index: 1;
        }

        .step-item h4 {
            font-weight: 700;
            font-size: 1rem;
            margin: 0 0 6px;
            color: var(--color-dark);
        }

        .step-item p {
            font-size: 0.85rem;
            color: #777;
            margin: 0;
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .steps-row {
                flex-direction: column;
                gap: 28px;
            }
            .step-item:not(:last-child)::after {
                display: none;
            }
            .step-item {
                min-width: auto;
            }
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-top: 1px solid #e8e8e8;
        }

        .faq-item {
            border-bottom: 1px solid #e8e8e8;
            cursor: pointer;
        }

        .faq-question {
            padding: 18px 20px 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-weight: 700;
            font-size: 1.02rem;
            color: var(--color-dark);
            transition: color var(--transition-fast);
            user-select: none;
        }

        .faq-item:hover .faq-question {
            color: var(--color-accent);
        }

        .faq-question .faq-qnum {
            font-weight: 900;
            color: var(--color-accent);
            font-size: 0.9rem;
            flex-shrink: 0;
            width: 28px;
        }

        .faq-question .faq-arrow {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f5f5f5;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-smooth);
            font-size: 0.7rem;
            color: #888;
        }

        .faq-item.open .faq-arrow {
            background: var(--color-accent);
            color: #fff;
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease-out, padding 0.35s ease-out;
            padding: 0 20px 0 0;
            font-size: 0.92rem;
            color: #555;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }

        /* CTA区块 */
        .cta-section {
            background: var(--color-dark);
            border-radius: 16px;
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 94, 19, 0.12);
            z-index: 1;
            pointer-events: none;
        }

        .cta-section h3 {
            font-size: 1.8rem;
            font-weight: 900;
            color: #fff;
            margin: 0 0 12px;
            position: relative;
            z-index: 2;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            margin: 0 0 24px;
            position: relative;
            z-index: 2;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 2;
            cursor: pointer;
            border: none;
        }

        .btn-cta-lg:hover {
            background: var(--color-accent-light);
            transform: scale(1.04);
            box-shadow: 0 6px 20px rgba(255, 94, 19, 0.35);
        }

        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 2;
            cursor: pointer;
            margin-left: 12px;
        }

        .btn-outline-lg:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        @media (max-width: 520px) {
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h3 {
                font-size: 1.4rem;
            }
            .btn-outline-lg {
                margin-left: 0;
                margin-top: 10px;
            }
        }

        /* 页脚 */
        .site-footer {
            background: #111418;
            color: #bbb;
            padding: 48px 0 0;
            margin-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid #2a2d32;
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin: 0 0 14px;
            letter-spacing: 0.3px;
        }

        .footer-col a {
            display: block;
            color: #999;
            font-size: 0.88rem;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0 24px;
            font-size: 0.8rem;
            color: #777;
            gap: 10px;
        }

        .footer-bottom a {
            color: #999;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 板块间距 */
        .section-spacing {
            padding: 60px 0;
        }

        @media (max-width: 768px) {
            .section-spacing {
                padding: 40px 0;
            }
        }

        /* 深色背景板块 */
        .bg-dark-section {
            background: #0D0F12;
            color: #fff;
            padding: 60px 0;
        }

        .bg-dark-section .section-title-wrap h2 {
            color: #fff;
        }

        .bg-dark-section .section-title-wrap .section-desc {
            color: rgba(255, 255, 255, 0.6);
        }

/* roulang page: category4 */
:root {
            --color-dark: #0D0F12;
            --color-accent: #FF5E13;
            --color-accent-light: #FF7B3D;
            --color-bg: #F7F7F7;
            --color-text: #1A1D21;
            --color-muted: #6B7280;
            --color-border: #E5E7EB;
            --color-white: #FFFFFF;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 28px rgba(0, 0, 0, 0.10);
            --transition-fast: 0.2s ease-out;
            --transition-smooth: 0.25s ease-out;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text);
            background-color: #ffffff;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all var(--transition-smooth);
        }

        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        input,
        textarea {
            font-family: inherit;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            font-size: 1rem;
            transition: border-color var(--transition-fast);
            width: 100%;
            background: #fff;
        }

        input:focus,
        textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(255, 94, 19, 0.08);
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* 导航 */
        .header-brand-bar {
            background: rgba(13, 15, 18, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 68px;
            display: flex;
            align-items: center;
        }

        .header-brand-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            color: #fff;
            letter-spacing: -1px;
        }

        .logo-text {
            font-weight: 900;
            font-size: 1.3rem;
            color: #ffffff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-trigger {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ccc;
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: none;
        }

        .search-trigger:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #fff;
        }

        .search-dropdown {
            position: absolute;
            top: 68px;
            right: 24px;
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
            padding: 16px;
            width: 320px;
            display: none;
            z-index: 110;
        }

        .search-dropdown.show {
            display: block;
        }

        .search-dropdown input {
            width: 100%;
            padding: 10px 14px;
            border-radius: 6px;
            border: 1px solid #e0e0e0;
            font-size: 0.95rem;
        }

        .btn-cta-nav {
            background: var(--color-accent);
            color: #fff;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
        }

        .btn-cta-nav:hover {
            background: var(--color-accent-light);
            transform: scale(1.03);
        }

        .header-tabs-bar {
            background: #fff;
            border-bottom: 1px solid #eee;
            position: sticky;
            top: 68px;
            z-index: 99;
            height: 50px;
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .header-tabs-bar::-webkit-scrollbar {
            display: none;
        }

        .tabs-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0 16px;
            white-space: nowrap;
        }

        .tab-pill {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #555;
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
            border: none;
            background: transparent;
        }

        .tab-pill:hover {
            color: var(--color-accent);
            background: rgba(255, 94, 19, 0.05);
        }

        .tab-pill.active {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
        }

        /* Hero */
        .category-hero {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(13, 15, 18, 0.62);
            z-index: 1;
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        /* 卡片 */
        .case-card {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .case-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .case-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }

        .case-card-body {
            padding: 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .case-card-date {
            font-size: 0.85rem;
            color: var(--color-muted);
            margin-bottom: 8px;
        }

        .case-card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .case-card-desc {
            font-size: 0.95rem;
            color: var(--color-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .case-card-link {
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
        }

        .case-card-link:hover {
            color: var(--color-accent-light);
            gap: 10px;
        }

        .case-card-link i {
            transition: transform var(--transition-fast);
        }

        .case-card-link:hover i {
            transform: translateX(3px);
        }

        /* 列表式案例 */
        .case-list-item {
            display: flex;
            gap: 24px;
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px;
            transition: all var(--transition-smooth);
            align-items: flex-start;
        }

        .case-list-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-1px);
        }

        .case-list-img {
            width: 180px;
            height: 130px;
            object-fit: cover;
            border-radius: 8px;
            flex-shrink: 0;
        }

        .case-list-content {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .case-list-date {
            font-size: 0.8rem;
            color: var(--color-muted);
            margin-bottom: 6px;
        }

        .case-list-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .case-list-desc {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 10px;
        }

        .case-list-link {
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: all var(--transition-fast);
            align-self: flex-start;
        }

        .case-list-link:hover {
            color: var(--color-accent-light);
            gap: 8px;
        }

        .case-list-link i {
            transition: transform var(--transition-fast);
        }

        .case-list-link:hover i {
            transform: translateX(3px);
        }

        /* 标签 */
        .tag-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 500;
            background: rgba(255, 94, 19, 0.08);
            color: var(--color-accent);
            margin-right: 6px;
            margin-bottom: 4px;
        }

        /* 分页 */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .page-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 500;
            font-size: 0.9rem;
            border: 1px solid var(--color-border);
            background: #fff;
            color: var(--color-text);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .page-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(255, 94, 19, 0.04);
        }

        .page-btn.active {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            font-weight: 700;
        }

        .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* 数据亮点 */
        .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1;
            letter-spacing: -1px;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: #d0d0d0;
        }

        .faq-question {
            width: 100%;
            padding: 18px 24px;
            background: none;
            text-align: left;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            border: none;
            gap: 12px;
        }

        .faq-question i {
            transition: transform var(--transition-smooth);
            color: var(--color-muted);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease-out, padding 0.3s ease-out;
            padding: 0 24px;
            color: var(--color-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        /* CTA */
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--color-accent-light);
            transform: scale(1.03);
            box-shadow: 0 6px 20px rgba(255, 94, 19, 0.25);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-accent);
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid var(--color-accent);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }

        .btn-outline:hover {
            background: rgba(255, 94, 19, 0.05);
            transform: scale(1.02);
        }

        /* 页脚 */
        .site-footer {
            background: var(--color-dark);
            color: #ccc;
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .site-footer .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-col a {
            display: block;
            color: #aaa;
            font-size: 0.9rem;
            margin-bottom: 8px;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: #888;
            gap: 12px;
        }

        .footer-bottom a {
            color: #aaa;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .case-list-item {
                flex-direction: column;
            }
            .case-list-img {
                width: 100%;
                height: 180px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .category-hero {
                min-height: 280px;
            }
            .case-card-img {
                height: 160px;
            }
            .case-list-item {
                flex-direction: column;
                padding: 16px;
            }
            .case-list-img {
                width: 100%;
                height: 160px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .category-hero {
                min-height: 240px;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .case-card-body {
                padding: 14px 16px;
            }
            .case-card-title {
                font-size: 1.05rem;
            }
            .page-btn {
                width: 34px;
                height: 34px;
                font-size: 0.8rem;
            }
        }

/* roulang page: category5 */
:root {
            --color-dark: #0D0F12;
            --color-accent: #FF5E13;
            --color-accent-light: #FF7B3D;
            --color-bg: #F7F7F7;
            --color-text: #1A1D21;
            --color-muted: #6B7280;
            --color-border: #E5E7EB;
            --color-white: #FFFFFF;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 28px rgba(0, 0, 0, 0.10);
            --transition-fast: 0.2s ease-out;
            --transition-smooth: 0.25s ease-out;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text);
            background-color: #ffffff;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all var(--transition-smooth);
        }

        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        input,
        textarea {
            font-family: inherit;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            font-size: 1rem;
            transition: border-color var(--transition-fast);
            width: 100%;
            background: #fff;
        }

        input:focus,
        textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(255, 94, 19, 0.08);
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* 导航 */
        .header-brand-bar {
            background: rgba(13, 15, 18, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 68px;
            display: flex;
            align-items: center;
        }

        .header-brand-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            color: #fff;
            letter-spacing: -1px;
        }

        .logo-text {
            font-weight: 900;
            font-size: 1.3rem;
            color: #ffffff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-trigger {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ccc;
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: none;
        }

        .search-trigger:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #fff;
        }

        .search-panel {
            position: absolute;
            top: 68px;
            right: 24px;
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
            padding: 16px;
            width: 320px;
            display: none;
            z-index: 110;
        }

        .search-panel.active {
            display: block;
        }

        .search-panel input {
            width: 100%;
            padding: 10px 14px;
            border-radius: 6px;
            border: 1px solid #e0e0e0;
            font-size: 0.95rem;
        }

        .btn-cta-nav {
            background: var(--color-accent);
            color: #fff;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
        }

        .btn-cta-nav:hover {
            background: var(--color-accent-light);
            transform: scale(1.03);
        }

        .header-tabs-bar {
            background: #fff;
            border-bottom: 1px solid #eee;
            position: sticky;
            top: 68px;
            z-index: 99;
            height: 50px;
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .header-tabs-bar::-webkit-scrollbar {
            display: none;
        }

        .tabs-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0 16px;
            white-space: nowrap;
        }

        .tab-pill {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #555;
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
            border: none;
            background: transparent;
        }

        .tab-pill:hover {
            color: var(--color-accent);
            background: rgba(255, 94, 19, 0.05);
        }

        .tab-pill.active {
            color: #fff;
            background: var(--color-accent);
            font-weight: 600;
        }

        /* 按钮 */
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: none;
        }

        .btn-primary:hover {
            background: var(--color-accent-light);
            transform: scale(1.02);
            box-shadow: 0 6px 20px rgba(255, 94, 19, 0.25);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-accent);
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .btn-outline:hover {
            background: rgba(255, 94, 19, 0.06);
            transform: scale(1.02);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 6px;
            font-weight: 500;
        }

        /* 卡片 */
        .card-community {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            overflow: hidden;
            border: 1px solid #f0f0f0;
        }

        .card-community:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .card-community .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }

        .card-community .card-body {
            padding: 20px;
        }

        /* 标签 */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            background: rgba(255, 94, 19, 0.08);
            color: var(--color-accent);
        }

        .tag-dark {
            background: rgba(13, 15, 18, 0.06);
            color: #555;
        }

        /* 统计数字 */
        .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1.1;
            letter-spacing: -1px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-muted);
            margin-top: 4px;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 18px 0;
            cursor: pointer;
        }

        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-icon {
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            color: var(--color-muted);
            font-size: 0.9rem;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease-out, padding-top 0.35s ease-out;
            color: #555;
            line-height: 1.7;
            font-size: 0.95rem;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 12px;
        }

        /* 分页 */
        .pagination {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .page-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 500;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            background: #fff;
            border: 1px solid #e0e0e0;
            color: #555;
        }

        .page-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .page-btn.active {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            font-weight: 700;
        }

        .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* 页脚 */
        .site-footer {
            background: var(--color-dark);
            color: #ccc;
            padding: 60px 0 30px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            color: #999;
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: #888;
            justify-content: space-between;
            align-items: center;
        }

        .footer-bottom a {
            color: #aaa;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        @media (max-width: 640px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
        }

        /* Hero 小型 */
        .hero-mini {
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            position: relative;
            padding: 80px 0;
            min-height: 320px;
            display: flex;
            align-items: center;
        }

        .hero-mini::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(13, 15, 18, 0.65);
            z-index: 1;
        }

        .hero-mini-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }

        .hero-mini-content h1 {
            font-size: 2.6rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .hero-mini-content p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .hero-mini {
                padding: 50px 0;
                min-height: 240px;
            }
            .hero-mini-content h1 {
                font-size: 1.9rem;
            }
            .hero-mini-content p {
                font-size: 1rem;
            }
        }

        /* 区块标题 */
        .section-title {
            font-size: 2rem;
            font-weight: 900;
            color: var(--color-dark);
            letter-spacing: 0.5px;
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .section-subtitle {
            color: var(--color-muted);
            font-size: 1rem;
            max-width: 600px;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
        }

        /* 板块间距 */
        .section-spacing {
            padding: 70px 0;
        }

        @media (max-width: 768px) {
            .section-spacing {
                padding: 40px 0;
            }
        }

        /* 深色区块 */
        .bg-dark-section {
            background: var(--color-dark);
            color: #fff;
        }

        .bg-dark-section .section-title {
            color: #fff;
        }

        .bg-dark-section .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        /* 社区话题列表 */
        .topic-list-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid #f0f0f0;
            transition: all var(--transition-fast);
            cursor: pointer;
            align-items: flex-start;
        }

        .topic-list-item:hover {
            padding-left: 8px;
            border-bottom-color: #e0e0e0;
        }

        .topic-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
        }

        .topic-info {
            flex: 1;
            min-width: 0;
        }

        .topic-info h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--color-dark);
            line-height: 1.4;
        }

        .topic-info .topic-meta {
            font-size: 0.8rem;
            color: var(--color-muted);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .topic-reply-count {
            background: rgba(255, 94, 19, 0.08);
            color: var(--color-accent);
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: 600;
            flex-shrink: 0;
            white-space: nowrap;
        }

        /* 社区亮点卡片 */
        .feature-card-sm {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 24px;
            border: 1px solid #f0f0f0;
            transition: all var(--transition-smooth);
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .feature-card-sm:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .feature-card-sm .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(255, 94, 19, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.5rem;
            color: var(--color-accent);
        }

        .feature-card-sm h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 6px;
            color: var(--color-dark);
        }

        .feature-card-sm p {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.5;
        }

        /* 流程步骤 */
        .step-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px 0;
        }

        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-weight: 900;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .step-content h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 4px;
            color: var(--color-dark);
        }

        .step-content p {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.5;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .stat-number {
                font-size: 2.2rem;
            }
            .hero-mini-content h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 640px) {
            .stat-number {
                font-size: 1.8rem;
            }
            .hero-mini-content h1 {
                font-size: 1.7rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
            .section-spacing {
                padding: 32px 0;
            }
            .section-title {
                font-size: 1.35rem;
            }
        }

/* roulang page: category6 */
:root {
            --color-dark: #0D0F12;
            --color-accent: #FF5E13;
            --color-accent-light: #FF7B3D;
            --color-bg: #F7F7F7;
            --color-text: #1A1D21;
            --color-muted: #6B7280;
            --color-border: #E5E7EB;
            --color-white: #FFFFFF;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 28px rgba(0, 0, 0, 0.10);
            --transition-fast: 0.2s ease-out;
            --transition-smooth: 0.25s ease-out;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text);
            background-color: #ffffff;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all var(--transition-smooth);
        }

        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        input,
        textarea {
            font-family: inherit;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            font-size: 1rem;
            transition: border-color var(--transition-fast);
            width: 100%;
            background: #fff;
        }

        input:focus,
        textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(255, 94, 19, 0.08);
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* 导航 - 品牌栏 */
        .header-brand-bar {
            background: rgba(13, 15, 18, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 68px;
            display: flex;
            align-items: center;
        }

        .header-brand-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            color: #fff;
            letter-spacing: -1px;
        }

        .logo-text {
            font-weight: 900;
            font-size: 1.3rem;
            color: #ffffff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-trigger {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ccc;
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: none;
            font-size: 0.95rem;
        }

        .search-trigger:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #fff;
        }

        .search-dropdown {
            position: absolute;
            top: 68px;
            right: 24px;
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
            padding: 16px;
            width: 320px;
            display: none;
            z-index: 110;
        }

        .search-dropdown.active {
            display: block;
        }

        .search-dropdown input {
            width: 100%;
            padding: 10px 14px;
            border-radius: 6px;
            border: 1px solid #e0e0e0;
            font-size: 0.95rem;
        }

        .btn-cta-nav {
            background: var(--color-accent);
            color: #fff;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
        }

        .btn-cta-nav:hover {
            background: var(--color-accent-light);
            transform: scale(1.03);
        }

        /* 频道Tabs */
        .header-tabs-bar {
            background: #fff;
            border-bottom: 1px solid #eee;
            position: sticky;
            top: 68px;
            z-index: 99;
            height: 50px;
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .header-tabs-bar::-webkit-scrollbar {
            display: none;
        }

        .tabs-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0 16px;
            white-space: nowrap;
        }

        .tab-pill {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #555;
            transition: all var(--transition-smooth);
            cursor: pointer;
            white-space: nowrap;
            border: none;
            background: transparent;
            text-decoration: none;
        }

        .tab-pill:hover {
            color: var(--color-accent);
            background: rgba(255, 94, 19, 0.05);
        }

        .tab-pill.active {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
        }

        /* 板块通用 */
        .section-padding {
            padding: 70px 0;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 44px 0;
            }
        }

        /* 小型Hero */
        .mini-hero {
            background: linear-gradient(135deg, rgba(13, 15, 18, 0.88) 0%, rgba(13, 15, 18, 0.72) 100%), url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            padding: 80px 0 70px;
            position: relative;
            color: #fff;
            min-height: 340px;
            display: flex;
            align-items: center;
        }

        .mini-hero .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .mini-hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            margin: 0 0 14px;
            line-height: 1.2;
        }

        .mini-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            line-height: 1.7;
            margin: 0;
        }

        @media (max-width: 768px) {
            .mini-hero {
                padding: 50px 0 44px;
                min-height: auto;
            }
            .mini-hero h1 {
                font-size: 2rem;
            }
            .mini-hero .hero-subtitle {
                font-size: 1rem;
            }
        }

        /* 卡片 */
        .info-card {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
            height: 100%;
        }

        .info-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #eee;
        }

        .info-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(255, 94, 19, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent);
            margin-bottom: 16px;
        }

        .info-card h3 {
            font-weight: 700;
            font-size: 1.15rem;
            margin: 0 0 8px;
            color: var(--color-dark);
        }

        .info-card p {
            color: var(--color-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            margin: 0;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            cursor: pointer;
            text-decoration: none;
            border: none;
        }

        .btn-primary:hover {
            background: var(--color-accent-light);
            transform: scale(1.03);
            box-shadow: 0 6px 20px rgba(255, 94, 19, 0.25);
        }

        .btn-outline {
            display: inline-block;
            border: 2px solid var(--color-accent);
            color: var(--color-accent);
            padding: 11px 26px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-smooth);
            cursor: pointer;
            text-decoration: none;
            background: transparent;
        }

        .btn-outline:hover {
            background: rgba(255, 94, 19, 0.06);
            transform: scale(1.02);
        }

        /* 文章列表 */
        .article-list-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
            align-items: flex-start;
        }

        .article-list-item:last-child {
            border-bottom: none;
        }

        .article-list-item:hover {
            background: #fafafa;
            padding-left: 8px;
            border-radius: 6px;
        }

        .article-list-item .article-thumb {
            width: 140px;
            height: 90px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
            background: #f0f0f0;
        }

        .article-list-item .article-info {
            flex: 1;
            min-width: 0;
        }

        .article-list-item .article-date {
            font-size: 0.8rem;
            color: var(--color-muted);
            margin-bottom: 4px;
        }

        .article-list-item .article-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-dark);
            margin: 0 0 6px;
            line-height: 1.4;
        }

        .article-list-item .article-summary {
            font-size: 0.9rem;
            color: var(--color-muted);
            margin: 0 0 8px;
            line-height: 1.5;
        }

        .article-list-item .read-more {
            font-size: 0.85rem;
            color: var(--color-accent);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }

        .article-list-item .read-more:hover {
            gap: 8px;
            color: var(--color-accent-light);
        }

        .article-list-item .read-more i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }

        .article-list-item .read-more:hover i {
            transform: translateX(3px);
        }

        @media (max-width: 640px) {
            .article-list-item {
                flex-direction: column;
                gap: 12px;
            }
            .article-list-item .article-thumb {
                width: 100%;
                height: 160px;
            }
        }

        /* 分页 */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .pagination .page-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 500;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: 1px solid var(--color-border);
            background: #fff;
            color: var(--color-text);
        }

        .pagination .page-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(255, 94, 19, 0.04);
        }

        .pagination .page-btn.active {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            font-weight: 700;
        }

        .pagination .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 0;
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 0;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-dark);
            background: transparent;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            border: none;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f5f5f5;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            transition: all var(--transition-smooth);
            flex-shrink: 0;
            color: #888;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease-out;
            padding: 0;
            color: var(--color-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 0 18px;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #fff;
        }

        /* 深色区块 */
        .dark-section {
            background: var(--color-dark);
            color: #fff;
            padding: 70px 0;
        }

        .dark-section .section-label {
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .dark-section h2 {
            color: #fff;
            font-weight: 900;
            font-size: 2.2rem;
            margin: 0 0 12px;
        }

        .dark-section .section-desc {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            line-height: 1.7;
            margin: 0 0 32px;
            max-width: 600px;
        }

        @media (max-width: 768px) {
            .dark-section {
                padding: 44px 0;
            }
            .dark-section h2 {
                font-size: 1.7rem;
            }
        }

        /* 页脚 */
        .site-footer {
            background: #0D0F12;
            color: #ccc;
            padding: 50px 0 28px;
            font-size: 0.9rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }

        .site-footer .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin: 0 0 14px;
            letter-spacing: 0.5px;
        }

        .site-footer .footer-col a {
            display: block;
            color: #999;
            padding: 4px 0;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .site-footer .footer-col a:hover {
            color: var(--color-accent);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: #777;
        }

        .site-footer .footer-bottom a {
            color: #999;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-bottom a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 480px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
        }

        /* 等级卡片 */
        .tier-card {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 32px 24px;
            text-align: center;
            border: 2px solid transparent;
            transition: all var(--transition-smooth);
            position: relative;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .tier-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .tier-card.featured {
            border-color: var(--color-accent);
            box-shadow: 0 4px 24px rgba(255, 94, 19, 0.12);
        }

        .tier-card .tier-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-accent);
            color: #fff;
            padding: 4px 16px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 700;
            white-space: nowrap;
        }

        .tier-card .tier-name {
            font-weight: 900;
            font-size: 1.3rem;
            color: var(--color-dark);
            margin: 8px 0 6px;
        }

        .tier-card .tier-price {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--color-accent);
            margin: 8px 0;
        }

        .tier-card .tier-price span {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-muted);
        }

        .tier-card .tier-features {
            list-style: none;
            padding: 0;
            margin: 16px 0 20px;
            text-align: left;
            flex: 1;
        }

        .tier-card .tier-features li {
            padding: 6px 0;
            font-size: 0.9rem;
            color: #555;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .tier-card .tier-features li i {
            color: #22c55e;
            font-size: 0.75rem;
            flex-shrink: 0;
        }

        .tier-card .btn-tier {
            display: block;
            width: 100%;
            padding: 12px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-smooth);
            cursor: pointer;
            text-align: center;
            text-decoration: none;
        }

        .btn-tier-standard {
            background: #f5f5f5;
            color: var(--color-dark);
            border: 1px solid #ddd;
        }

        .btn-tier-standard:hover {
            background: #eaeaea;
        }

        .btn-tier-premium {
            background: var(--color-accent);
            color: #fff;
            border: none;
        }

        .btn-tier-premium:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 20px rgba(255, 94, 19, 0.25);
        }

        /* 信任条 */
        .trust-strip {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: center;
            padding: 16px 0;
            font-size: 0.85rem;
            color: var(--color-muted);
        }

        .trust-strip span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .trust-strip i {
            color: #22c55e;
            font-size: 0.8rem;
        }

        /* 场景卡片 */
        .scenario-card {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px 20px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
            height: 100%;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: #eee;
        }

        .scenario-card .sc-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(255, 94, 19, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .scenario-card .sc-info h4 {
            font-weight: 700;
            font-size: 1rem;
            margin: 0 0 4px;
            color: var(--color-dark);
        }

        .scenario-card .sc-info p {
            font-size: 0.88rem;
            color: var(--color-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* 动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-in-up {
            animation: fadeInUp 0.55s ease-out forwards;
        }

        .delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
        }
        .delay-2 {
            animation-delay: 0.2s;
            opacity: 0;
        }
        .delay-3 {
            animation-delay: 0.3s;
            opacity: 0;
        }
        .delay-4 {
            animation-delay: 0.4s;
            opacity: 0;
        }