/* roulang page: index */
:root {
            --bg-primary: #0E0C15;
            --bg-card: #1B1826;
            --accent-primary: #E43C6E;
            --accent-secondary: #F0B35A;
            --text-primary: #ECE8F6;
            --text-secondary: #A29BC0;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-divider: rgba(255, 255, 255, 0.06);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --shadow-card: 0 10px 32px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.45);
            --spacing-section: 96px;
            --spacing-mobile: 64px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        @media (max-width: 640px) {
            body {
                font-size: 15px;
            }
        }

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

        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: all 0.25s ease;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }

        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(14, 12, 21, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }

        .nav-logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-primary), #9B2C50);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            box-shadow: 0 4px 16px rgba(228, 60, 110, 0.3);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 36px;
        }

        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
            position: relative;
            padding: 8px 0;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-primary);
            transform: scaleX(0);
            transform-origin: right;
            transition: transform 0.3s ease;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: scaleX(1);
            transform-origin: left;
        }

        .nav-links a.active {
            color: var(--accent-primary);
        }

        .nav-buttons {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            transition: all 0.25s ease;
            cursor: pointer;
            border: none;
            outline: none;
            line-height: 1.4;
        }

        .btn:focus-visible {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--accent-primary);
            color: #fff;
            box-shadow: 0 4px 20px rgba(228, 60, 110, 0.35);
        }

        .btn-primary:hover {
            background: #ef4d80;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(228, 60, 110, 0.45);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(228, 60, 110, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.5);
        }

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

        .btn-outline:active {
            background: rgba(255, 255, 255, 0.1);
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
        }

        /* Mobile Nav */
        .mobile-menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            font-size: 20px;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid var(--border-color);
        }

        .mobile-menu {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(14, 12, 21, 0.98);
            z-index: 999;
            display: none;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 28px;
            backdrop-filter: blur(30px);
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            font-size: 22px;
            font-weight: 600;
            color: var(--text-primary);
            padding: 8px 20px;
            border-radius: 10px;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent-primary);
            background: rgba(228, 60, 110, 0.1);
        }

        .mobile-menu-close {
            position: absolute;
            top: 24px;
            right: 24px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* Hero Section */
        .hero {
            min-height: 90vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
            padding-top: 96px;
            padding-bottom: 48px;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to top, #0E0C15 20%, rgba(14, 12, 21, 0.4) 60%, rgba(14, 12, 21, 0.7) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: 900px;
            text-align: center;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            padding: 8px 16px;
            background: rgba(228, 60, 110, 0.2);
            border: 1px solid rgba(228, 60, 110, 0.3);
            color: var(--accent-primary);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .hero h1 {
            font-size: 46px;
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero h1 .highlight {
            background: rgba(228, 60, 110, 0.25);
            padding: 0 8px;
            border-radius: 8px;
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 680px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .hero-trust {
            display: flex;
            gap: 24px;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 13px;
            flex-wrap: wrap;
        }

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

        .hero-trust i {
            color: var(--accent-secondary);
            font-size: 12px;
        }

        @media (max-width: 768px) {
            .hero {
                min-height: 70vh;
                padding-top: 80px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
        }

        /* Section Spacing */
        .section {
            padding: 96px 0;
        }

        .section-sm {
            padding: 64px 0;
        }

        @media (max-width: 640px) {
            .section {
                padding: 64px 0;
            }
            .section-sm {
                padding: 48px 0;
            }
        }

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 640px) {
            .section-header h2 {
                font-size: 24px;
            }
        }

        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-secondary);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }

        /* Pain Cards */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        @media (max-width: 1024px) {
            .pain-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

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

        .pain-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 1px solid var(--border-color);
            transition: all 0.25s ease;
            box-shadow: var(--shadow-card);
        }

        .pain-card:hover {
            transform: translateY(-4px);
            border-color: rgba(228, 60, 110, 0.5);
            box-shadow: var(--shadow-hover);
        }

        .pain-icon {
            width: 48px;
            height: 48px;
            background: rgba(228, 60, 110, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent-primary);
            margin-bottom: 20px;
        }

        .pain-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .pain-card p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.6;
        }

        /* Solution Section */
        .solution-section {
            background: rgba(27, 24, 38, 0.3);
            border-top: 1px solid var(--border-divider);
            border-bottom: 1px solid var(--border-divider);
        }

        .solution-layout {
            display: flex;
            gap: 60px;
            align-items: flex-start;
        }

        .solution-left {
            flex: 0 0 300px;
            position: sticky;
            top: 96px;
        }

        .solution-left h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .solution-left p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .solution-grid {
            flex: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        @media (max-width: 1024px) {
            .solution-layout {
                flex-direction: column;
                gap: 40px;
            }
            .solution-left {
                flex: none;
                position: static;
                max-width: 600px;
            }
        }

        @media (max-width: 640px) {
            .solution-grid {
                grid-template-columns: 1fr;
            }
        }

        .solution-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--border-color);
            transition: all 0.25s ease;
            position: relative;
            overflow: hidden;
        }

        .solution-card:hover {
            transform: translateY(-4px);
            border-color: rgba(228, 60, 110, 0.5);
            box-shadow: var(--shadow-hover);
        }

        .solution-card .num-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 32px;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.05);
            line-height: 1;
        }

        .solution-card .card-icon {
            width: 52px;
            height: 52px;
            background: rgba(228, 60, 110, 0.12);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-primary);
            margin-bottom: 20px;
        }

        .solution-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .solution-card p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
        }

        .solution-divider {
            height: 1px;
            background: var(--border-divider);
            margin: 20px 0;
        }

        /* Stats Section */
        .stats-section {
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 96px 0;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(14, 12, 21, 0.92);
        }

        .stats-grid {
            position: relative;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            text-align: center;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .stats-section {
                padding: 64px 0;
            }
        }

        .stat-number {
            font-size: 44px;
            font-weight: 800;
            color: var(--accent-secondary);
            line-height: 1.2;
            margin-bottom: 8px;
            font-variant-numeric: tabular-nums;
        }

        @media (max-width: 640px) {
            .stat-number {
                font-size: 32px;
            }
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            letter-spacing: 0.5px;
        }

        /* Testimonials */
        .testimonial-grid {
            display: flex;
            gap: 24px;
            justify-content: center;
            align-items: flex-start;
        }

        @media (max-width: 768px) {
            .testimonial-grid {
                flex-direction: column;
                align-items: center;
            }
        }

        .testimonial-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            width: calc(33.33% - 16px);
            transition: all 0.3s ease;
        }

        .testimonial-card:nth-child(2) {
            transform: translateY(-8px);
        }

        .testimonial-card:hover {
            transform: translateY(-12px);
            border-color: rgba(228, 60, 110, 0.4);
            box-shadow: var(--shadow-hover);
        }

        @media (max-width: 768px) {
            .testimonial-card {
                width: 100%;
            }
            .testimonial-card:nth-child(2) {
                transform: none;
            }
            .testimonial-card:hover {
                transform: translateY(-4px);
            }
        }

        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-primary), #9B2C50);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            color: #fff;
            font-size: 16px;
        }

        .testimonial-avatar img {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            object-fit: cover;
        }

        .testimonial-name {
            font-weight: 600;
            font-size: 15px;
        }

        .testimonial-role {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .testimonial-stars {
            color: var(--accent-secondary);
            font-size: 14px;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }

        .testimonial-text {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
        }

        /* FAQ */
        .faq-section {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            margin-bottom: 16px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item.active {
            border-color: rgba(228, 60, 110, 0.4);
            background: rgba(228, 60, 110, 0.06);
        }

        .faq-question {
            padding: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-primary);
            transition: color 0.25s;
        }

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

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            background: rgba(228, 60, 110, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--accent-primary);
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

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

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }

        .faq-item.active .faq-answer {
            padding: 0 24px 24px;
            max-height: 300px;
        }

        .faq-answer p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            padding: 96px 0;
            position: relative;
            text-align: center;
            background: radial-gradient(ellipse at center, rgba(228, 60, 110, 0.15) 0%, transparent 70%);
        }

        .cta-section h2 {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        @media (max-width: 640px) {
            .cta-section h2 {
                font-size: 26px;
            }
        }

        .cta-section p {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 500px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .cta-note {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* Category Filters */
        .filter-bar {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .filter-tag {
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-primary);
            background: transparent;
            transition: all 0.25s ease;
            outline: none;
        }

        .filter-tag:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
        }

        .filter-tag.active {
            background: var(--accent-primary);
            color: #fff;
            border-color: var(--accent-primary);
            box-shadow: 0 4px 16px rgba(228, 60, 110, 0.3);
        }

        /* Content Cards */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        @media (max-width: 640px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }

        .content-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }

        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(228, 60, 110, 0.4);
        }

        .content-card-img {
            height: 190px;
            overflow: hidden;
        }

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

        .content-card:hover .content-card-img img {
            transform: scale(1.03);
        }

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

        .content-card-body h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .content-card-body p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .content-card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .tag {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(228, 60, 110, 0.12);
            color: var(--accent-primary);
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 500;
        }

        .card-date {
            color: var(--text-secondary);
        }

        .content-card-link {
            color: var(--accent-primary);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.25s;
        }

        .content-card-link:hover {
            gap: 12px;
        }

        /* Pagination */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 12px;
            margin-top: 48px;
        }

        .page-link {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-primary);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: all 0.25s;
        }

        .page-link:hover {
            background: rgba(228, 60, 110, 0.1);
            border-color: var(--accent-primary);
            color: var(--accent-primary);
        }

        .page-link.active {
            background: var(--accent-primary);
            color: #fff;
            border-color: var(--accent-primary);
            box-shadow: 0 4px 16px rgba(228, 60, 110, 0.4);
        }

        .page-link.prev-next {
            width: auto;
            padding: 0 16px;
            border-radius: 30px;
        }

        /* Footer */
        .site-footer {
            background: #0A0910;
            border-top: 1px solid var(--border-divider);
            padding: 64px 0 32px;
            margin-top: 48px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-primary), #9B2C50);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
        }

        .footer-desc {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
            transition: color 0.25s;
        }

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

        .footer-contact p {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--accent-primary);
            width: 16px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-divider);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-secondary);
            font-size: 13px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-bottom-links {
            display: flex;
            gap: 24px;
        }

        .footer-bottom-links a {
            color: var(--text-secondary);
        }

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

        /* Category Page Hero */
        .category-hero {
            min-height: 320px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
            padding-top: 120px;
            padding-bottom: 48px;
        }

        @media (max-width: 640px) {
            .category-hero {
                min-height: 240px;
                padding-top: 96px;
            }
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to top, #0E0C15 30%, rgba(14, 12, 21, 0.6) 100%);
        }

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

        .breadcrumb {
            display: flex;
            gap: 8px;
            align-items: center;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .breadcrumb a {
            color: var(--text-secondary);
        }

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

        .breadcrumb .separator {
            color: var(--text-secondary);
            opacity: 0.5;
        }

        .breadcrumb .current {
            color: var(--accent-primary);
        }

        /* News List */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }

        @media (max-width: 1024px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
        }

        .news-list-item {
            padding: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            margin-bottom: 16px;
            transition: all 0.25s;
        }

        .news-list-item:hover {
            border-color: rgba(228, 60, 110, 0.4);
        }

        .news-list-item a {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            gap: 16px;
            align-items: center;
        }

        .news-list-item a:hover {
            color: var(--accent-primary);
        }

        .news-list-date {
            font-size: 13px;
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .sidebar-widget {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-color);
            margin-bottom: 24px;
        }

        .sidebar-widget h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-divider);
        }

        .sidebar-list {
            list-style: none;
        }

        .sidebar-list li {
            margin-bottom: 12px;
        }

        .sidebar-list a {
            color: var(--text-secondary);
            font-size: 14px;
            display: flex;
            justify-content: space-between;
            transition: all 0.2s;
        }

        .sidebar-list a:hover {
            color: var(--accent-primary);
            transform: translateX(4px);
        }

        .sidebar-list a span {
            color: var(--accent-secondary);
            font-size: 13px;
        }

        /* Hero small CTA inside category */
        .categories-preview {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

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

        .category-chip {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: all 0.25s;
        }

        .category-chip:hover {
            border-color: var(--accent-primary);
            transform: translateY(-3px);
        }

        .category-chip .chip-icon {
            font-size: 24px;
            margin-bottom: 12px;
            color: var(--accent-primary);
        }

        .category-chip h4 {
            font-size: 16px;
            font-weight: 600;
        }

        /* list with icons */
        .feature-list {
            list-style: none;
        }

        .feature-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            margin-bottom: 12px;
            color: var(--text-primary);
            font-size: 15px;
            line-height: 1.6;
        }

        .feature-list .feat-icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: rgba(228, 60, 110, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 10px;
            color: var(--accent-primary);
            flex-shrink: 0;
            margin-top: 4px;
        }

        /* Floating CTA */
        .floating-cta {
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 998;
            background: var(--accent-primary);
            color: #fff;
            padding: 14px 24px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 8px 32px rgba(228, 60, 110, 0.4);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }

        .floating-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(228, 60, 110, 0.5);
        }

        @media (max-width: 640px) {
            .floating-cta {
                bottom: 16px;
                right: 16px;
                padding: 12px 20px;
                font-size: 13px;
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-buttons .btn-outline {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
        }

        @media (max-width: 640px) {
            .nav-logo {
                font-size: 18px;
            }
            .nav-buttons .btn-primary {
                padding: 10px 16px;
                font-size: 14px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0E0C15;
            --bg-card: #1B1826;
            --accent-primary: #E43C6E;
            --accent-secondary: #F0B35A;
            --text-primary: #ECE8F6;
            --text-secondary: #A29BC0;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-divider: rgba(255, 255, 255, 0.06);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --shadow-card: 0 10px 32px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.45);
            --spacing-section: 96px;
            --spacing-mobile: 64px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        @media (max-width: 640px) {
            body {
                font-size: 15px;
            }
        }

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

        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: all 0.25s ease;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }

        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

        .section-block {
            padding: var(--spacing-section) 0;
        }

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

        /* ========== Header / Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(14, 12, 21, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-primary), #9B2C50);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            box-shadow: 0 4px 16px rgba(228, 60, 110, 0.35);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-primary);
            position: relative;
            padding: 8px 0;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-primary);
            transform: scaleX(0);
            transform-origin: right;
            transition: transform 0.3s ease;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: scaleX(1);
            transform-origin: left;
        }

        .nav-links a.active {
            color: var(--accent-primary);
        }

        .nav-buttons {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            transition: all 0.25s ease;
            cursor: pointer;
            border: none;
            outline: none;
            line-height: 1.4;
        }

        .btn:focus-visible {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--accent-primary);
            color: #fff;
            box-shadow: 0 4px 20px rgba(228, 60, 110, 0.35);
        }

        .btn-primary:hover {
            background: #ef4d80;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(228, 60, 110, 0.45);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(228, 60, 110, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.45);
        }

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

        .btn-outline:active {
            background: rgba(255, 255, 255, 0.1);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 16px;
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        .mobile-menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            font-size: 20px;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid var(--border-color);
            z-index: 1001;
        }

        .mobile-menu {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(14, 12, 21, 0.98);
            z-index: 999;
            display: none;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 28px;
            backdrop-filter: blur(30px);
            -webkit-backdrop-filter: blur(30px);
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            font-size: 21px;
            font-weight: 600;
            color: var(--text-primary);
            transition: color 0.25s ease;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent-primary);
        }

        .mobile-menu-buttons {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 16px;
            width: 220px;
        }

        .mobile-menu-buttons .btn {
            width: 100%;
        }

        .mobile-menu-close {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 44px;
            height: 44px;
            border-radius: 8px;
            font-size: 18px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-color);
        }

        /* ========== Page Hero ========== */
        .page-hero {
            position: relative;
            padding: 180px 0 80px;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg,
                    rgba(14, 12, 21, 0.88) 0%,
                    rgba(14, 12, 21, 0.76) 40%,
                    rgba(14, 12, 21, 0.92) 100%);
            z-index: 1;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }

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

        .breadcrumb i {
            font-size: 12px;
            color: var(--text-secondary);
            opacity: 0.6;
        }

        .page-hero h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 16px;
            max-width: 800px;
        }

        .page-hero h1 .highlight {
            background: rgba(228, 60, 110, 0.25);
            padding: 0 8px;
            border-radius: 4px;
        }

        .page-hero .hero-desc {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 640px;
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 140px 0 56px;
            }

            .page-hero h1 {
                font-size: 30px;
            }

            .page-hero .hero-desc {
                font-size: 15px;
            }
        }

        /* ========== Feature Points (卖点) ========== */
        .feature-points {
            margin-top: 8px;
        }

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

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all 0.25s ease;
            box-shadow: var(--shadow-card);
        }

        .feature-card:hover {
            transform: translateY(-4px);
            border-color: rgba(228, 60, 110, 0.5);
            box-shadow: var(--shadow-hover);
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(228, 60, 110, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-primary);
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .feature-card p {
            font-size: 14.5px;
            line-height: 1.7;
            color: var(--text-secondary);
        }

        @media (max-width: 768px) {
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== Filter Bar ========== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            margin: 48px 0 32px;
        }

        .filter-tag {
            padding: 8px 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-color);
            transition: all 0.25s ease;
            cursor: pointer;
            outline: none;
        }

        .filter-tag:hover {
            border-color: var(--accent-primary);
            color: var(--text-primary);
        }

        .filter-tag.active {
            background: var(--accent-primary);
            color: #fff;
            border-color: var(--accent-primary);
            box-shadow: 0 4px 16px rgba(228, 60, 110, 0.35);
        }

        .filter-tag:focus-visible {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 2px;
        }

        /* ========== Content Cards ========== */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .content-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            transform: translateY(-4px);
            border-color: rgba(228, 60, 110, 0.5);
            box-shadow: var(--shadow-hover);
        }

        .card-cover {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

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

        .content-card:hover .card-cover img {
            transform: scale(1.03);
        }

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

        .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.45;
        }

        .card-body p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex: 1;
        }

        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: auto;
        }

        .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 14px;
        }

        .tag-badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 500;
            background: rgba(228, 60, 110, 0.12);
            color: var(--accent-primary);
        }

        .card-link {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--accent-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.25s ease;
        }

        .card-link:hover {
            gap: 10px;
        }

        .card-date {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .card-date i {
            font-size: 12px;
        }

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

        @media (max-width: 640px) {
            .content-grid {
                grid-template-columns: 1fr;
            }

            .card-cover {
                height: 180px;
            }
        }

        /* ========== Pagination ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin: 48px 0 0;
        }

        .page-btn {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-color);
            transition: all 0.25s ease;
            cursor: pointer;
        }

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

        .page-btn.active {
            background: var(--accent-primary);
            color: #fff;
            border-color: var(--accent-primary);
            box-shadow: 0 4px 16px rgba(228, 60, 110, 0.35);
        }

        .page-btn.prev-next {
            width: auto;
            padding: 0 18px;
            border-radius: 999px;
        }

        /* ========== Use Cases (适用场景) ========== */
        .use-case-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            padding: var(--spacing-section) 0;
        }

        .use-case-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(14, 12, 21, 0.9);
        }

        .use-case-section .container {
            position: relative;
            z-index: 2;
        }

        .use-case-grid {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 48px;
            align-items: center;
        }

        .use-case-left h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .use-case-left h2 .highlight {
            color: var(--accent-primary);
        }

        .use-case-left p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        .use-case-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .use-case-item {
            background: rgba(27, 24, 38, 0.7);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all 0.25s ease;
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .use-case-item:hover {
            border-color: rgba(228, 60, 110, 0.5);
            transform: translateX(4px);
        }

        .use-case-item .uci-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(228, 60, 110, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-primary);
            font-size: 16px;
            flex-shrink: 0;
        }

        .use-case-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .use-case-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        @media (max-width: 768px) {
            .use-case-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .use-case-section {
                background-attachment: scroll;
            }
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            padding: var(--spacing-section) 0;
            text-align: center;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 600px;
            height: 600px;
            transform: translate(-50%, -50%);
            background: radial-gradient(circle,
                    rgba(228, 60, 110, 0.15) 0%,
                    transparent 70%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .cta-note {
            margin-top: 20px;
            font-size: 13px;
            color: var(--text-secondary);
            opacity: 0.7;
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 24px;
            }

            .cta-section p {
                font-size: 15px;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .cta-buttons .btn {
                width: 100%;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--spacing-section) 0;
        }

        .faq-title {
            text-align: center;
            font-size: 30px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .faq-subtitle {
            text-align: center;
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 40px;
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item.open {
            border-color: rgba(228, 60, 110, 0.4);
            background: rgba(228, 60, 110, 0.06);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 15.5px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: all 0.25s ease;
            gap: 16px;
        }

        .faq-question .faq-q-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--accent-primary);
            background: rgba(228, 60, 110, 0.12);
        }

        .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--text-secondary);
            transition: transform 0.3s ease, color 0.3s ease;
        }

        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
            color: var(--accent-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 14.5px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        @media (max-width: 768px) {
            .faq-title {
                font-size: 24px;
            }

            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }

            .faq-answer {
                padding: 0 18px;
            }

            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0A0910;
            border-top: 1px solid var(--border-color);
            padding-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-primary), #9B2C50);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #fff;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 340px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-divider);
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

        .footer-links a:hover {
            color: var(--accent-primary);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
        }

        .footer-bottom-links a {
            font-size: 13px;
            color: var(--text-secondary);
        }

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

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== Responsive Nav ========== */
        @media (max-width: 900px) {
            .nav-links {
                display: none;
            }

            .mobile-menu-toggle {
                display: flex;
            }

            .nav-buttons {
                display: none;
            }
        }

        @media (max-width: 640px) {
            .nav-logo {
                font-size: 18px;
            }

            .nav-logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
        }

        /* Section label */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(228, 60, 110, 0.1);
            color: var(--accent-primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 48px;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 23px;
                margin-bottom: 32px;
            }
        }