/* roulang page: index */
:root {
            --primary: #0E2E35;
            --primary-light: #16484F;
            --accent: #E5A23C;
            --accent-soft: #F5D7A6;
            --cream: #F6F1E8;
            --card: #FFFFFF;
            --card-alt: #FAF6EE;
            --ink: #1F2328;
            --soft: #6B7280;
            --line: #E4DCCE;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --radius-3xl: 2rem;
            --shadow-md: 0 4px 24px rgba(14, 46, 53, 0.08);
            --shadow-lg: 0 12px 32px rgba(14, 46, 53, 0.14);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--cream);
            color: var(--ink);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 640px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        .section-padding {
            padding-top: 4rem;
            padding-bottom: 4rem;
        }

        @media (min-width: 768px) {
            .section-padding {
                padding-top: 6rem;
                padding-bottom: 6rem;
            }
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 2rem;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 1rem;
            line-height: 1.5;
            cursor: pointer;
            border: 2px solid transparent;
            transition: var(--transition);
            text-align: center;
            gap: 0.5rem;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent) 0%, #d98e2b 100%);
            color: var(--primary);
            border-color: var(--accent);
            box-shadow: 0 4px 16px rgba(229, 162, 60, 0.35);
        }

        .btn-primary:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(14, 46, 53, 0.25);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(14, 46, 53, 0.2);
        }

        .btn-primary:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.9);
            color: var(--primary);
            border-color: rgba(255, 255, 255, 0.8);
        }

        .btn-secondary:hover {
            background: rgba(14, 46, 53, 0.15);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-accent-outline {
            background: transparent;
            color: var(--accent);
            border-color: var(--accent);
        }

        .btn-accent-outline:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.85rem;
            border-radius: 9999px;
            background: var(--accent);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            text-transform: none;
        }

        .badge-outline {
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
        }

        .text-gradient-brand {
            background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 40%, var(--accent) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        /* ===== Header ===== */
        .site-header {
            background: linear-gradient(135deg, #0B242A 0%, var(--primary) 60%, var(--primary-light) 100%);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }

        .nav-top {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 0.85rem 0;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-shrink: 0;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent), #f3b95f);
            border-radius: 12px;
            font-weight: 800;
            font-size: 0.9rem;
            color: var(--primary);
            letter-spacing: -0.02em;
            box-shadow: 0 4px 12px rgba(229, 162, 60, 0.4);
        }

        .brand-text {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .header-search {
            flex: 1;
            max-width: 520px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            background: #fff;
            border-radius: 9999px;
            height: 44px;
            padding: 0 0.5rem 0 1rem;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
            border: 2px solid transparent;
            transition: var(--transition);
        }

        .header-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(229, 162, 60, 0.3), 0 2px 12px rgba(0, 0, 0, 0.1);
        }

        .header-search svg.search-icon {
            flex-shrink: 0;
            width: 18px;
            height: 18px;
            color: var(--soft);
            margin-right: 0.5rem;
        }

        .header-search input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            font-size: 0.9rem;
            color: var(--ink);
            height: 100%;
        }

        .header-search input::placeholder {
            color: #9CA3AF;
        }

        .header-search button {
            background: linear-gradient(135deg, var(--accent), #d98e2b);
            color: var(--primary);
            border: none;
            border-radius: 9999px;
            padding: 0.4rem 1.2rem;
            font-weight: 700;
            font-size: 0.85rem;
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .header-search button:hover {
            background: var(--primary);
            color: #fff;
        }

        .nav-actions {
            display: none;
            align-items: center;
            gap: 1rem;
            flex-shrink: 0;
        }

        .nav-actions a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.85rem;
            font-weight: 500;
            padding: 0.4rem 0.8rem;
            border-radius: 9999px;
            transition: var(--transition);
        }

        .nav-actions a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: var(--accent);
        }

        .nav-toggle {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
        }

        .nav-toggle span {
            display: block;
            height: 2px;
            width: 100%;
            background: #fff;
            border-radius: 4px;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .nav-bottom {
            display: none;
            padding-bottom: 0.8rem;
            gap: 0.3rem;
        }

        .nav-bottom.open {
            display: flex;
            flex-direction: column;
        }

        .nav-bottom a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 0.55rem 1rem;
            border-radius: 10px;
            transition: var(--transition);
            border-left: 3px solid transparent;
        }

        .nav-bottom a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .nav-bottom a.active {
            color: var(--accent);
            border-left-color: var(--accent);
            background: rgba(229, 162, 60, 0.1);
        }

        @media (min-width: 768px) {
            .nav-actions {
                display: flex;
            }

            .nav-toggle {
                display: none;
            }

            .nav-bottom {
                display: flex;
                flex-direction: row;
                padding-bottom: 0;
                gap: 0.3rem;
            }

            .nav-bottom a {
                border-left: none;
                border-bottom: 2px solid transparent;
                padding: 0.5rem 1rem;
            }

            .nav-bottom a.active {
                border-bottom-color: var(--accent);
                border-left: none;
                background: transparent;
            }

            .nav-bottom a:hover {
                background: rgba(255, 255, 255, 0.08);
                border-bottom-color: var(--accent);
            }
        }

        @media (min-width: 1024px) {
            .brand-text {
                font-size: 1.25rem;
            }

            .nav-top {
                gap: 1.5rem;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-color: var(--primary);
            padding: 5rem 0 4rem;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(7, 28, 32, 0.92) 0%, rgba(14, 46, 53, 0.75) 50%, rgba(14, 46, 53, 0.45) 100%);
            z-index: 1;
        }

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

        .hero-content {
            max-width: 700px;
            color: #fff;
        }

        .hero-badge {
            display: inline-block;
            padding: 0.35rem 1.2rem;
            background: rgba(229, 162, 60, 0.15);
            border: 1px solid rgba(229, 162, 60, 0.4);
            color: var(--accent);
            border-radius: 9999px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.2rem;
        }

        .hero h1 {
            font-size: 2rem;
            line-height: 1.25;
            font-weight: 800;
            color: #fff;
            margin-bottom: 1.2rem;
            letter-spacing: 0.01em;
        }

        .hero p.hero-sub {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.75;
            margin-bottom: 2rem;
            max-width: 580px;
        }

        .hero-buttons {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-bottom: 2.5rem;
        }

        @media (min-width: 640px) {
            .hero-buttons {
                flex-direction: row;
            }
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.8rem;
            max-width: 620px;
        }

        @media (min-width: 768px) {
            .hero-stats {
                grid-template-columns: repeat(4, 1fr);
            }

            .hero h1 {
                font-size: 2.75rem;
            }
        }

        .hero-stat {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 1.25rem;
            padding: 1rem 1.2rem;
            backdrop-filter: blur(8px);
            text-align: center;
        }

        .hero-stat .number {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }

        .hero-stat .label {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.2rem;
            letter-spacing: 0.05em;
        }

        /* ===== Pain Points ===== */
        .pain-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-2xl);
            box-shadow: var(--shadow-md);
            padding: 2rem 1.8rem;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }

        .pain-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }

        .pain-card.featured {
            background: linear-gradient(150deg, var(--primary) 0%, var(--primary-light) 100%);
            background-size: cover;
            background-position: center;
            background-image: url('/assets/images/coverpic/cover-2.png'), linear-gradient(150deg, var(--primary) 0%, var(--primary-light) 100%);
            background-blend-mode: overlay;
            border-color: var(--primary);
            color: #fff;
            transform: scale(1.02);
            box-shadow: 0 16px 40px rgba(14, 46, 53, 0.25);
        }

        .pain-card.featured:hover {
            transform: scale(1.05) translateY(-4px);
        }

        .pain-card.featured h3 {
            color: #fff;
        }

        .pain-card.featured p {
            color: rgba(255, 255, 255, 0.82);
        }

        .pain-card .pain-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
            background: rgba(229, 162, 60, 0.15);
            color: var(--accent);
        }

        .pain-card.featured .pain-icon {
            background: rgba(255, 255, 255, 0.15);
            color: var(--accent);
        }

        .pain-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 0.8rem;
            line-height: 1.4;
        }

        .pain-card p {
            font-size: 0.9rem;
            color: var(--soft);
            line-height: 1.65;
            flex: 1;
        }

        /* ===== Solution ===== */
        .solution-main-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-3xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            height: 100%;
            transition: var(--transition);
        }

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

        .solution-main-card .solution-image {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .solution-main-card .solution-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .solution-main-card:hover .solution-image img {
            transform: scale(1.04);
        }

        .solution-main-card .solution-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(14, 46, 53, 0.6) 100%);
        }

        .solution-main-card .solution-body {
            padding: 1.8rem;
        }

        .solution-main-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 0.8rem;
        }

        .solution-main-card p {
            color: var(--soft);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .solution-feature-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-xl);
            padding: 1.3rem 1.5rem;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }

        .feature-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateX(6px);
        }

        .feature-item .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .feature-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 0.3rem;
        }

        .feature-item p {
            font-size: 0.85rem;
            color: var(--soft);
            line-height: 1.6;
        }

        /* ===== Stats Section ===== */
        .stats-section {
            background: linear-gradient(135deg, #0B242A 0%, var(--primary) 60%, var(--primary-light) 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(229, 162, 60, 0.2) 0%, transparent 70%);
        }

        .stat-box {
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.03));
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-2xl);
            padding: 1.8rem 1.2rem;
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .stat-box::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), #f3b95f);
            border-radius: 0 0 12px 12px;
        }

        .stat-box:hover {
            transform: translateY(-4px);
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.05));
        }

        .stat-box .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }

        .stat-box .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.4rem;
        }

        @media (min-width: 768px) {
            .stat-box .stat-number {
                font-size: 2.8rem;
            }
        }

        /* ===== News ===== */
        .news-item {
            display: flex;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-2xl);
            padding: 1.5rem;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            gap: 1rem;
        }

        .news-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .news-item .news-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            flex-shrink: 0;
            font-size: 1.3rem;
        }

        .news-item .news-content {
            flex: 1;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            margin-bottom: 0.5rem;
            flex-wrap: wrap;
        }

        .news-meta time {
            font-size: 0.8rem;
            color: var(--soft);
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .news-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 0.5rem;
            line-height: 1.45;
        }

        .news-item h3 a {
            color: inherit;
        }

        .news-item h3 a:hover {
            color: var(--primary-light);
        }

        .news-item .news-excerpt {
            font-size: 0.88rem;
            color: var(--soft);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-read-more {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: 0.6rem;
            transition: var(--transition);
        }

        .news-read-more:hover {
            color: var(--accent);
            gap: 0.6rem;
        }

        @media (min-width: 768px) {
            .news-item {
                flex-direction: row;
                align-items: flex-start;
            }
        }

        .empty-tip {
            background: #fff;
            border: 1px dashed var(--line);
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            text-align: center;
            color: var(--soft);
            font-size: 0.95rem;
        }

        /* ===== Testimonials ===== */
        .testimonial-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-2xl);
            padding: 2rem;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .testimonial-card::before {
            content: '\201C';
            position: absolute;
            top: 0.8rem;
            right: 1.5rem;
            font-size: 5rem;
            color: rgba(229, 162, 60, 0.25);
            line-height: 1;
            font-family: Georgia, serif;
        }

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

        .testimonial-text {
            font-size: 1.05rem;
            color: var(--ink);
            line-height: 1.75;
            margin-bottom: 1.5rem;
            flex: 1;
            font-style: italic;
        }

        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .testimonial-user .user-name {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--ink);
        }

        .testimonial-user .user-role {
            font-size: 0.78rem;
            color: var(--soft);
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-2xl);
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
            transition: background 0.2s ease;
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.4rem 1.8rem;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--ink);
            background: transparent;
            border: none;
            text-align: left;
            width: 100%;
            transition: var(--transition);
        }

        .faq-question:hover {
            background: rgba(14, 46, 53, 0.03);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(229, 162, 60, 0.15);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
            transition: transform 0.3s ease, background 0.3s ease;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-answer-inner {
            padding: 0 1.8rem 1.4rem;
            color: var(--soft);
            font-size: 0.92rem;
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-section {
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 4.5rem 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(11, 36, 42, 0.94) 0%, rgba(14, 46, 53, 0.85) 60%, rgba(14, 46, 53, 0.6) 100%);
        }

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

        .cta-content {
            text-align: center;
            max-width: 650px;
            margin: 0 auto;
            color: #fff;
        }

        .cta-content h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
        }

        .cta-content p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        @media (min-width: 768px) {
            .cta-content h2 {
                font-size: 2.4rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0A1E23;
            color: rgba(255, 255, 255, 0.7);
            padding: 3.5rem 0 1.5rem;
        }

        .site-footer .brand-text {
            font-size: 1.15rem;
        }

        .site-footer .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            margin-top: 0.8rem;
            max-width: 280px;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .site-footer ul {
            list-style: none;
        }

        .site-footer ul li {
            margin-bottom: 0.5rem;
        }

        .site-footer ul a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Focus visibility ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-up {
            animation: fadeInUp 0.7s ease both;
        }

        .delay-100 {
            animation-delay: 0.1s;
        }

        .delay-200 {
            animation-delay: 0.2s;
        }

        .delay-300 {
            animation-delay: 0.3s;
        }

/* roulang page: category1 */
:root {
            --primary: #0E2E35;
            --primary-light: #1A434C;
            --accent: #E5A23C;
            --accent-dark: #C8862B;
            --bg: #F6F1E8;
            --card: #FFFFFF;
            --card-alt: #FAF6EE;
            --text: #1F2328;
            --muted: #6B7280;
            --border: #E4DCCE;
            --radius: 1.5rem;
            --radius-lg: 2rem;
            --shadow: 0 4px 24px rgba(14, 46, 53, 0.08);
            --shadow-hover: 0 12px 32px rgba(14, 46, 53, 0.14);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 640px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ---------- Header ---------- */
        .site-header {
            background: var(--primary);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 4px 20px rgba(14, 46, 53, 0.25);
        }

        .site-header .nav-top {
            display: flex;
            align-items: center;
            gap: 16px;
            padding-top: 14px;
            padding-bottom: 14px;
            flex-wrap: nowrap;
        }

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

        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent) 0%, #d98e2b 100%);
            color: var(--primary);
            font-weight: 800;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 12px rgba(229, 162, 60, 0.35);
        }

        .brand-text {
            color: #ffffff;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .header-search {
            flex: 1;
            max-width: 560px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            background: #ffffff;
            border-radius: 999px;
            height: 44px;
            padding: 0 8px 0 16px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(229, 162, 60, 0.45);
        }

        .header-search .search-icon {
            width: 18px;
            height: 18px;
            color: #9CA3AF;
            flex-shrink: 0;
        }

        .header-search input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            padding: 0 10px;
            font-size: 14px;
            color: var(--text);
        }

        .header-search input::placeholder {
            color: #9CA3AF;
        }

        .header-search button {
            background: var(--accent);
            color: var(--primary);
            border: none;
            border-radius: 999px;
            padding: 0 18px;
            height: 34px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s ease, color 0.2s ease;
            flex-shrink: 0;
        }

        .header-search button:hover {
            background: var(--primary);
            color: #ffffff;
        }

        .nav-actions {
            display: none;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .nav-actions a {
            color: rgba(255, 255, 255, 0.82);
            font-size: 14px;
            padding: 6px 12px;
            border-radius: 999px;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .nav-actions a:hover,
        .nav-actions a.active {
            background: rgba(255, 255, 255, 0.12);
            color: #ffffff;
        }

        .nav-toggle {
            display: inline-flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 12px;
            background: transparent;
            cursor: pointer;
            flex-shrink: 0;
            transition: background 0.2s ease;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: #ffffff;
            border-radius: 2px;
            transition: transform 0.2s ease, opacity 0.2s ease;
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .nav-bottom {
            display: none;
            padding-bottom: 16px;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-bottom.open {
            display: flex;
        }

        .nav-bottom a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 999px;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .nav-bottom a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
        }

        .nav-bottom a.active {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
        }

        @media (min-width: 768px) {
            .nav-actions {
                display: flex;
            }

            .nav-toggle {
                display: none;
            }

            .nav-bottom {
                display: flex;
                padding-bottom: 14px;
            }
        }

        /* ---------- Hero ---------- */
        .hero-cat1 {
            position: relative;
            background: var(--primary) url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            padding: 72px 0;
            overflow: hidden;
        }

        .hero-cat1::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(14, 46, 53, 0.94) 0%, rgba(14, 46, 53, 0.72) 60%, rgba(26, 67, 76, 0.6) 100%);
        }

        .hero-cat1 .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 820px;
        }

        .hero-cat1 .badge-line {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(229, 162, 60, 0.18);
            border: 1px solid rgba(229, 162, 60, 0.4);
            color: #f3c67a;
            font-size: 14px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
        }

        .hero-cat1 h1 {
            font-size: 34px;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.25;
            margin: 0 0 16px;
            letter-spacing: 0.01em;
        }

        .hero-cat1 p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 0 28px;
            line-height: 1.8;
        }

        .hero-cat1 .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        @media (min-width: 768px) {
            .hero-cat1 {
                padding: 88px 0;
            }

            .hero-cat1 h1 {
                font-size: 44px;
            }
        }

        /* ---------- Buttons ---------- */
        .btn-primary,
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 16px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 999px;
            transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--primary);
            border: 1px solid var(--accent);
        }

        .btn-primary:hover {
            background: var(--primary);
            color: #ffffff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(14, 46, 53, 0.22);
        }

        .btn-primary:focus-visible,
        .btn-secondary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(229, 162, 60, 0.55);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
            border: 1px solid rgba(255, 255, 255, 0.5);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.16);
            border-color: #ffffff;
            transform: translateY(-2px);
        }

        /* ---------- Sections ---------- */
        .section {
            padding: 64px 0;
        }

        .section-head {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 48px;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            margin: 0 0 10px;
            letter-spacing: 0.01em;
        }

        .section-head p {
            color: var(--muted);
            font-size: 16px;
            margin: 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: 80px 0;
            }

            .section-head h2 {
                font-size: 32px;
            }
        }

        /* ---------- Alternate Blocks ---------- */
        .alt-block {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            align-items: center;
            margin-bottom: 48px;
        }

        .alt-block:last-child {
            margin-bottom: 0;
        }

        .alt-media {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            aspect-ratio: 4 / 3;
            background: var(--card);
        }

        .alt-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .alt-media:hover img {
            transform: scale(1.03);
        }

        .alt-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 12px;
        }

        .alt-body p {
            color: #475069;
            font-size: 16px;
            line-height: 1.8;
            margin: 0 0 20px;
        }

        .alt-tag {
            display: inline-block;
            background: rgba(229, 162, 60, 0.16);
            color: #a4681a;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .alt-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            border-bottom: 2px solid var(--accent);
            padding-bottom: 2px;
        }

        .alt-link:hover {
            color: var(--accent-dark);
        }

        @media (min-width: 768px) {
            .alt-block {
                grid-template-columns: 1fr 1fr;
                gap: 56px;
                margin-bottom: 72px;
            }

            .alt-block:nth-child(even) .alt-media {
                order: 2;
            }
        }

        /* ---------- Steps / Path ---------- */
        .steps-wrap {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px 28px;
            color: #ffffff;
        }

        .steps-wrap .section-head h2 {
            color: #ffffff;
        }

        .steps-wrap .section-head p {
            color: rgba(255, 255, 255, 0.72);
        }

        .step-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            max-width: 760px;
            margin: 0 auto;
        }

        .step-item {
            display: flex;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

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

        .step-num {
            flex-shrink: 0;
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--accent) 0%, #d98e2b 100%);
            color: var(--primary);
            font-size: 18px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 16px rgba(229, 162, 60, 0.25);
        }

        .step-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 6px;
            color: #ffffff;
        }

        .step-body p {
            margin: 0;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
        }

        @media (min-width: 768px) {
            .steps-wrap {
                padding: 64px 48px;
            }

            .step-item {
                padding: 28px 0;
            }
        }

        /* ---------- FAQ ---------- */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-card {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow 0.2s ease;
        }

        .faq-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            background: transparent;
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            transition: background 0.2s ease;
        }

        .faq-q:hover {
            background: #FAF6EE;
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            transition: transform 0.25s ease;
        }

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

        .faq-a {
            display: none;
            padding: 0 24px 24px;
            color: #475069;
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-card.open .faq-a {
            display: block;
        }

        /* ---------- CTA ---------- */
        .cta-cat1 {
            position: relative;
            background: var(--primary) url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
            padding: 72px 0;
        }

        .cta-cat1::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14, 46, 53, 0.94) 0%, rgba(14, 46, 53, 0.82) 100%);
        }

        .cta-cat1 .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-cat1 h2 {
            font-size: 30px;
            font-weight: 800;
            color: #ffffff;
            margin: 0 0 14px;
        }

        .cta-cat1 p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 32px;
        }

        .cta-buttons {
            display: flex;
            flex-direction: column;
            gap: 14px;
            justify-content: center;
            align-items: center;
        }

        @media (min-width: 640px) {
            .cta-buttons {
                flex-direction: row;
            }
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 0;
            font-size: 15px;
        }

        .site-footer .brand {
            margin-bottom: 16px;
        }

        .site-footer h4 {
            color: #ffffff;
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 16px;
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer ul li {
            margin-bottom: 10px;
        }

        .site-footer ul a {
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s ease;
        }

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

        .footer-desc {
            margin: 0;
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 48px;
            padding: 20px 0;
            text-align: center;
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
        }

        /* ---------- Section Divider ---------- */
        .section-divider {
            border: none;
            border-top: 1px solid var(--border);
            margin: 0;
        }

/* roulang page: article */
:root {
            --ink: #0E2E35;
            --ink-light: #1A4A52;
            --amber: #E5A23C;
            --amber-light: #F0C27A;
            --paper: #F6F1E8;
            --card: #FFFFFF;
            --card-alt: #FAF6EE;
            --text-main: #1F2328;
            --text-secondary: #6B7280;
            --border: #E4DCCE;
            --muted-gold: #B6AC9E;
            --radius-card: 24px;
            --shadow-md: 0 4px 24px rgba(14, 46, 53, 0.08);
            --shadow-hover: 0 12px 32px rgba(14, 46, 53, 0.14);
            --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--paper);
            color: var(--text-main);
            font-family: var(--font-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--ink);
            text-decoration-thickness: 1px;
            text-underline-offset: 3px;
        }

        .container {
            max-width: 1200px !important;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 640px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: var(--ink);
            color: #fff;
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 4px 20px rgba(14, 46, 53, 0.18);
        }

        .nav-top {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            padding: 1rem 0;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            text-decoration: none;
            white-space: nowrap;
        }

        .brand-icon {
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 0.75rem;
            background: linear-gradient(135deg, var(--amber), var(--amber-light));
            color: var(--ink);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.95rem;
            letter-spacing: -0.02em;
        }

        .brand-text {
            color: #fff;
            font-weight: 800;
            transition: color 0.2s;
        }

        .brand:hover .brand-text {
            color: var(--amber);
        }

        .header-search {
            flex: 1;
            max-width: 560px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            background: #fff;
            border-radius: 999px;
            padding: 0.3rem 0.4rem 0.3rem 1.1rem;
            border: 2px solid transparent;
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .header-search:focus-within {
            border-color: var(--ink);
            box-shadow: 0 0 0 4px rgba(229, 162, 60, 0.35);
        }

        .header-search .search-icon {
            width: 1.1rem;
            height: 1.1rem;
            color: var(--text-secondary);
            flex-shrink: 0;
        }

        .header-search input {
            flex: 1;
            min-width: 0;
            border: none;
            background: transparent;
            padding: 0.5rem 0.5rem 0.5rem 0.6rem;
            outline: none;
            font-size: 0.95rem;
            color: var(--text-main);
        }

        .header-search input::placeholder {
            color: #9CA3AF;
        }

        .header-search button {
            background: var(--amber);
            border: none;
            color: var(--ink);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.5rem 1.2rem;
            border-radius: 999px;
            cursor: pointer;
            transition: background 0.2s, color 0.2s;
        }

        .header-search button:hover {
            background: var(--ink);
            color: #fff;
        }

        .header-search button:focus-visible {
            outline: 2px solid var(--amber);
            outline-offset: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 1.15rem;
            flex-shrink: 0;
        }

        .nav-actions a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.92rem;
            font-weight: 500;
            text-decoration: none;
            transition: color 0.2s;
        }

        .nav-actions a:hover {
            color: var(--amber);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 10px;
            padding: 10px;
            cursor: pointer;
            flex-shrink: 0;
        }

        .nav-toggle span {
            display: block;
            height: 2px;
            width: 100%;
            background: #fff;
            border-radius: 2px;
            transition: transform 0.25s, opacity 0.25s;
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .nav-bottom {
            display: flex;
            align-items: center;
            gap: 1.75rem;
            padding: 0.45rem 0 1rem;
            flex-wrap: wrap;
        }

        .nav-bottom a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.93rem;
            font-weight: 500;
            text-decoration: none;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: color 0.2s, border-color 0.2s;
        }

        .nav-bottom a:hover {
            color: var(--amber);
        }

        .nav-bottom a.active {
            color: var(--amber);
            border-bottom-color: var(--amber);
        }

        /* ===== Article Layout ===== */
        .article-page {
            background: var(--paper);
        }

        .breadcrumb {
            max-width: 880px;
            margin: 2rem auto 0;
            padding: 0 1rem;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.2s;
        }

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

        .breadcrumb .current {
            color: var(--ink);
            font-weight: 600;
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .breadcrumb-sep {
            color: var(--muted-gold);
        }

        .article-shell {
            max-width: 880px;
            margin: 1.5rem auto 0;
            padding: 0 1rem;
        }

        .article-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 2.75rem 3rem;
            box-shadow: var(--shadow-md);
        }

        @media (max-width: 640px) {
            .article-card {
                padding: 1.6rem 1.3rem;
                border-radius: 1.25rem;
            }
        }

        .article-header {
            text-align: center;
        }

        .article-category {
            display: inline-block;
            background: var(--amber);
            color: var(--ink);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 0.35rem 1rem;
            border-radius: 999px;
            letter-spacing: 0.02em;
        }

        .article-header h1 {
            font-size: 2rem;
            line-height: 1.35;
            font-weight: 800;
            color: var(--text-main);
            margin: 1.2rem 0 1.3rem;
            word-break: break-word;
        }

        @media (max-width: 640px) {
            .article-header h1 {
                font-size: 1.55rem;
            }
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.2rem;
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-top: 0.6rem;
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }

        .article-content {
            margin-top: 2.2rem;
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-main);
            word-break: break-word;
        }

        .article-content h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--ink);
            margin: 2.2rem 0 1rem;
            padding-bottom: 0.6rem;
            border-bottom: 1px solid var(--border);
        }

        .article-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--ink);
            margin: 1.8rem 0 0.8rem;
        }

        .article-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ink);
            margin: 1.5rem 0 0.6rem;
        }

        .article-content p {
            margin: 1.1rem 0;
            line-height: 1.8;
        }

        .article-content ul,
        .article-content ol {
            margin: 1.1rem 0;
            padding-left: 1.5rem;
        }

        .article-content ul {
            list-style: disc;
        }

        .article-content ol {
            list-style: decimal;
        }

        .article-content li {
            margin-bottom: 0.4rem;
            line-height: 1.75;
        }

        .article-content blockquote {
            border-left: 4px solid var(--amber);
            background: var(--card-alt);
            padding: 1rem 1.4rem;
            border-radius: 0 1rem 1rem 0;
            color: var(--text-main);
            margin: 1.6rem 0;
        }

        .article-content a {
            color: var(--ink);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.2s;
        }

        .article-content a:hover {
            color: var(--amber);
        }

        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: 1rem;
            margin: 1.6rem 0;
            box-shadow: var(--shadow-md);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6rem 0;
            font-size: 0.95rem;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--border);
            padding: 0.65rem 0.8rem;
            text-align: left;
        }

        .article-content th {
            background: var(--card-alt);
            font-weight: 600;
            color: var(--ink);
        }

        .article-content pre {
            background: var(--ink);
            color: #E6E1D7;
            padding: 1.2rem 1.4rem;
            border-radius: 1rem;
            overflow-x: auto;
            font-size: 0.9rem;
            line-height: 1.65;
            margin: 1.6rem 0;
        }

        .article-content code {
            background: #F3EDE2;
            padding: 0.15rem 0.4rem;
            border-radius: 0.35rem;
            font-size: 0.9em;
        }

        .article-content pre code {
            background: transparent;
            padding: 0;
        }

        .article-content hr {
            border: none;
            border-top: 1px solid var(--border);
            margin: 2rem 0;
        }

        .article-content strong {
            font-weight: 700;
            color: var(--ink);
        }

        .not-found {
            text-align: center;
            padding: 3rem 1rem;
        }

        .not-found h1 {
            color: var(--ink);
            font-size: 1.9rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
        }

        .not-found p {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-bottom: 1.6rem;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.65rem 1.5rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            line-height: 1.3;
            text-decoration: none;
            border: 1.5px solid transparent;
            cursor: pointer;
            transition: background 0.25s, color 0.25s, border-color 0.25s, box-shadow 0.25s, transform 0.2s;
        }

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

        .btn-primary {
            background: var(--amber);
            color: var(--ink);
        }

        .btn-primary:hover {
            background: var(--ink);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-ghost {
            background: transparent;
            color: var(--amber);
            border-color: var(--amber);
        }

        .btn-ghost:hover {
            background: var(--amber);
            color: var(--ink);
            transform: translateY(-2px);
        }

        .btn-light {
            background: #fff;
            color: var(--ink);
        }

        .btn-light:hover {
            background: var(--amber);
            color: var(--ink);
            transform: translateY(-2px);
        }

        /* ===== Related ===== */
        .related-section {
            max-width: 880px;
            margin: 3rem auto 0;
            padding: 0 1rem;
        }

        .related-section h2 {
            text-align: center;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 1.6rem;
            position: relative;
        }

        .related-section h2::after {
            content: "";
            display: block;
            width: 52px;
            height: 3px;
            border-radius: 2px;
            background: var(--amber);
            margin: 0.6rem auto 0;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.2rem;
        }

        @media (max-width: 900px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 560px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
        }

        .related-grid a,
        .related-grid .post-card,
        .related-grid li {
            display: block;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 1.25rem;
            padding: 1.3rem 1.4rem;
            color: var(--text-main);
            text-decoration: none;
            box-shadow: var(--shadow-md);
            transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
        }

        .related-grid a:hover,
        .related-grid .post-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--amber);
        }

        /* ===== Article CTA ===== */
        .article-cta {
            max-width: 880px;
            margin: 2.5rem auto 0;
            padding: 1.75rem 2rem;
            background: linear-gradient(135deg, var(--ink), var(--ink-light));
            border-radius: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.25rem;
            flex-wrap: wrap;
            box-shadow: var(--shadow-md);
        }

        .article-cta p {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 600;
            margin: 0;
            line-height: 1.5;
        }

        .article-cta .btn + .btn {
            margin-left: 0.6rem;
        }

        @media (max-width: 560px) {
            .article-cta {
                flex-direction: column;
                align-items: flex-start;
                padding: 1.4rem;
            }

            .article-cta .btn {
                margin: 0.3rem 0 0;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4rem;
            padding: 4rem 0 1.6rem;
        }

        .site-footer .brand {
            margin-bottom: 0.5rem;
        }

        .footer-desc {
            margin-top: 1rem;
            font-size: 0.95rem;
            line-height: 1.75;
            opacity: 0.7;
            max-width: 360px;
        }

        .site-footer h4 {
            color: var(--amber);
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 1rem;
        }

        .site-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .site-footer li {
            margin-bottom: 0.55rem;
        }

        .site-footer a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 0.95rem;
            transition: color 0.2s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.14);
            margin-top: 2.5rem;
            padding-top: 1.4rem;
            text-align: center;
            font-size: 0.9rem;
            opacity: 0.65;
        }

        /* ===== Responsive ===== */
        @media (max-width: 900px) {
            .nav-top {
                gap: 0.75rem;
            }

            .brand-text {
                display: none;
            }

            .nav-actions {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-bottom {
                display: none;
                flex-direction: column;
                gap: 0;
                padding: 0.5rem 0 1rem;
            }

            .nav-bottom.open {
                display: flex;
            }

            .nav-bottom a {
                padding: 0.75rem 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                width: 100%;
            }

            .nav-bottom a.active {
                border-bottom-color: rgba(255, 255, 255, 0.1);
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 0.9rem;
                padding-right: 0.9rem;
            }

            .header-search {
                padding-left: 0.9rem;
            }

            .header-search button {
                padding: 0.45rem 0.9rem;
                font-size: 0.85rem;
            }

            .brand-icon {
                width: 2.2rem;
                height: 2.2rem;
            }

            .article-header h1 {
                font-size: 1.4rem;
            }

            .breadcrumb .current {
                max-width: 160px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #0E2E35;
            --color-secondary: #E5A23C;
            --color-bg: #F6F1E8;
            --color-card: #FFFFFF;
            --color-card-alt: #FAF6EE;
            --color-text: #1F2328;
            --color-muted: #6B7280;
            --color-border: #E4DCCE;
            --gradient-brand: linear-gradient(135deg, #0E2E35 0%, #1A4A52 55%, #E5A23C 130%);
            --radius-lg: 1.5rem;
            --shadow-card: 0 4px 24px rgba(14, 46, 53, 0.08);
            --shadow-hover: 0 12px 32px rgba(14, 46, 53, 0.14);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color .2s;
        }
        a:hover {
            color: var(--color-secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 640px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ---------- Header / Nav ---------- */
        .site-header {
            background-color: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 2px 20px rgba(14, 46, 53, 0.25);
        }
        .nav-top {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 0.9rem 0;
            flex-wrap: wrap;
        }
        .nav-top .brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-shrink: 0;
            color: #fff;
            transition: opacity .2s;
        }
        .nav-top .brand:hover {
            opacity: 0.85;
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 2.4rem;
            height: 2.4rem;
            background: linear-gradient(135deg, #E5A23C 0%, #f0b95a 100%);
            color: #0E2E35;
            font-weight: 800;
            border-radius: 12px;
            font-size: 0.9rem;
            letter-spacing: 1px;
            box-shadow: 0 2px 8px rgba(229, 162, 60, 0.4);
        }
        .brand-text {
            font-size: 1.1rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: #fff;
            border-radius: 999px;
            padding: 0 0.35rem 0 1rem;
            height: 3rem;
            flex: 1;
            min-width: 180px;
            max-width: 520px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
            transition: box-shadow .2s;
            order: 3;
            width: 100%;
        }
        .site-header .header-search:focus-within {
            box-shadow: 0 0 0 4px rgba(229, 162, 60, 0.35);
        }
        .header-search .search-icon {
            width: 1.1rem;
            height: 1.1rem;
            color: #9CA3AF;
            flex-shrink: 0;
        }
        .header-search input {
            flex: 1;
            border: none;
            outline: none;
            padding: 0 0.75rem;
            font-size: 0.95rem;
            background: transparent;
            color: var(--color-text);
        }
        .header-search input::placeholder {
            color: #9CA3AF;
        }
        .header-search button {
            background: var(--color-secondary);
            border: none;
            color: #0E2E35;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.55rem 1.1rem;
            border-radius: 999px;
            cursor: pointer;
            transition: all .2s;
            white-space: nowrap;
        }
        .header-search button:hover {
            background: var(--color-primary);
            color: #fff;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            order: 2;
            margin-left: auto;
        }
        .nav-actions a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.85rem;
            font-weight: 500;
            padding: 0.5rem 0.7rem;
            border-radius: 10px;
            transition: all .2s;
            white-space: nowrap;
        }
        .nav-actions a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-secondary);
        }
        .nav-actions a.active {
            color: var(--color-secondary);
            background: rgba(229, 162, 60, 0.12);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 6px;
            width: 42px;
            height: 42px;
            cursor: pointer;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
        }
        .nav-bottom {
            display: flex;
            gap: 0.5rem;
            padding-bottom: 0.8rem;
            flex-wrap: wrap;
        }
        .nav-bottom a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 0.4rem 0.85rem;
            border-radius: 999px;
            transition: all .2s;
        }
        .nav-bottom a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-bottom a.active {
            color: #0E2E35;
            background: var(--color-secondary);
            font-weight: 600;
        }
        @media (max-width: 767px) {
            .nav-top {
                gap: 0.8rem;
            }
            .header-search {
                order: 1;
            }
            .nav-actions {
                order: 2;
                display: none;
            }
            .nav-toggle {
                display: flex;
                order: 3;
            }
            .nav-bottom {
                display: none;
                flex-direction: column;
                gap: 0.3rem;
                padding-bottom: 1rem;
            }
            .nav-bottom.open {
                display: flex;
            }
        }
        @media (min-width: 768px) {
            .header-search {
                order: 2;
                margin: 0 auto;
            }
            .nav-actions {
                order: 3;
            }
        }

        /* ---------- Hero ---------- */
        .hero-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 3.5rem 0 4rem;
            overflow: hidden;
        }
        .hero-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(14, 46, 53, 0.9) 0%, rgba(14, 46, 53, 0.65) 50%, rgba(14, 46, 53, 0.35) 100%);
        }
        .hero-banner .container {
            position: relative;
            z-index: 1;
        }
        .hero-breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            background: rgba(255, 255, 255, 0.08);
            padding: 0.35rem 0.9rem;
            border-radius: 999px;
            margin-bottom: 1.2rem;
        }
        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
        }
        .hero-breadcrumb a:hover {
            color: var(--color-secondary);
        }
        .hero-banner h1 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 0.8rem;
        }
        .hero-banner .hero-sub {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1rem;
            max-width: 650px;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }
        @media (min-width: 768px) {
            .hero-banner h1 {
                font-size: 2.5rem;
            }
            .hero-banner .hero-sub {
                font-size: 1.05rem;
            }
        }

        /* ---------- Section ---------- */
        .section-pad {
            padding: 4rem 0;
        }
        @media (min-width: 768px) {
            .section-pad {
                padding: 5.5rem 0;
            }
        }
        .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 0.6rem;
            color: var(--color-text);
        }
        .section-desc {
            color: var(--color-muted);
            font-size: 1rem;
            max-width: 640px;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 1.9rem;
            }
        }

        /* ---------- Category Intro Card ---------- */
        .intro-card {
            background: var(--color-card);
            border-radius: 2rem;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            padding: 2rem;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            position: relative;
            overflow: hidden;
        }
        .intro-card::before {
            content: "";
            position: absolute;
            right: -60px;
            top: -60px;
            width: 180px;
            height: 180px;
            background: linear-gradient(135deg, rgba(229, 162, 60, 0.25), rgba(14, 46, 53, 0.05));
            border-radius: 50%;
        }
        .intro-card .intro-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 18px;
            background: var(--gradient-brand);
            color: #fff;
            font-size: 1.4rem;
            flex-shrink: 0;
        }
        .intro-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .intro-card p {
            color: var(--color-muted);
            font-size: 0.98rem;
            line-height: 1.8;
        }
        .intro-text {
            flex: 1;
        }
        @media (min-width: 768px) {
            .intro-card {
                flex-direction: row;
                align-items: flex-start;
                padding: 2.5rem;
            }
            .intro-card .intro-icon {
                margin-top: 0.2rem;
            }
        }

        /* ---------- Category Cards (3-column) ---------- */
        .cat-card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            margin-top: 2rem;
        }
        @media (min-width: 640px) {
            .cat-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .cat-card-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .cat-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .25s ease, box-shadow .25s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .cat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .cat-card .card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
        }
        .cat-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .cat-card:hover .card-img img {
            transform: scale(1.04);
        }
        .cat-card .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-secondary);
            color: #0E2E35;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.3rem 0.8rem;
            border-radius: 999px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }
        .cat-card .card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .cat-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
        }
        .cat-card p {
            color: var(--color-muted);
            font-size: 0.92rem;
            line-height: 1.75;
            margin-bottom: 1.2rem;
            flex: 1;
        }
        .cat-card .card-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: gap .2s;
        }
        .cat-card .card-link:hover {
            gap: 0.6rem;
            color: var(--color-secondary);
        }

        /* ---------- Featured / Highlight ---------- */
        .feature-panel {
            background: var(--gradient-brand);
            border-radius: 2rem;
            padding: 2.4rem;
            color: #fff;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .feature-panel::after {
            content: "";
            position: absolute;
            right: -40px;
            bottom: -40px;
            width: 160px;
            height: 160px;
            border: 2px solid rgba(255, 255, 255, 0.15);
            border-radius: 50%;
        }
        .feature-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.35rem 0.9rem;
            border-radius: 999px;
            align-self: flex-start;
        }
        .feature-panel h3 {
            font-size: 1.4rem;
            font-weight: 700;
            line-height: 1.4;
        }
        .feature-panel p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.95rem;
            max-width: 560px;
            line-height: 1.8;
        }
        .feature-panel .btn-light {
            background: #fff;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.7rem 1.5rem;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            align-self: flex-start;
            transition: all .2s;
        }
        .feature-panel .btn-light:hover {
            background: var(--color-secondary);
            color: #0E2E35;
        }

        /* ---------- FAQ ---------- */
        .faq-wrap {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 2rem;
            padding: 1.5rem 1.8rem;
            box-shadow: var(--shadow-card);
            margin-top: 2rem;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 1.1rem 0;
        }
        .faq-item:last-child {
            border-bottom: none;
            padding-bottom: 0.2rem;
        }
        .faq-item summary {
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 0.2rem 0;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: "+";
            font-size: 1.4rem;
            color: var(--color-secondary);
            font-weight: 400;
            transition: transform .2s;
            flex-shrink: 0;
            line-height: 1;
        }
        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-item .faq-body {
            padding-top: 0.6rem;
            color: var(--color-muted);
            font-size: 0.95rem;
            line-height: 1.75;
        }

        /* ---------- CTA ---------- */
        .cta-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            border-radius: 2rem;
            padding: 3rem 2rem;
            overflow: hidden;
            text-align: center;
            color: #fff;
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(14, 46, 53, 0.9), rgba(14, 46, 53, 0.7));
        }
        .cta-banner .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-banner h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 0.7rem;
        }
        .cta-banner p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 1.5rem;
            font-size: 0.98rem;
        }
        .cta-banner .btn-cta {
            background: var(--color-secondary);
            color: #0E2E35;
            font-weight: 600;
            font-size: 1rem;
            padding: 0.8rem 2rem;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
            transition: all .2s;
        }
        .cta-banner .btn-cta:hover {
            background: #fff;
            color: var(--color-primary);
            transform: translateY(-2px);
        }
        .cta-banner .btn-ghost {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.7rem 1.6rem;
            border-radius: 999px;
            margin-left: 0.6rem;
            transition: all .2s;
        }
        .cta-banner .btn-ghost:hover {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
        }
        @media (max-width: 640px) {
            .cta-banner {
                padding: 2rem 1.2rem;
            }
            .cta-banner .btn-ghost {
                margin-left: 0;
                margin-top: 0.6rem;
            }
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background-color: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 3.5rem;
            padding-bottom: 1.5rem;
            margin-top: 4rem;
        }
        .site-footer .brand {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            letter-spacing: 0.02em;
        }
        .site-footer .brand:hover {
            opacity: 0.85;
        }
        .footer-desc {
            margin-top: 1rem;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.92rem;
            transition: color .2s, padding-left .2s;
        }
        .site-footer ul li a:hover {
            color: var(--color-secondary);
            padding-left: 4px;
        }
        .footer-bottom {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.85rem;
        }

        /* ---------- Misc ---------- */
        .badge-amber {
            background: var(--color-secondary);
            color: #0E2E35;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.3rem 0.9rem;
            border-radius: 999px;
        }
        .icon-circle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(229, 162, 60, 0.12);
            color: var(--color-secondary);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .grid-2-1 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            align-items: center;
        }
        @media (min-width: 768px) {
            .grid-2-1 {
                grid-template-columns: 1.4fr 1fr;
            }
        }
        .rounded-image {
            border-radius: 1.5rem;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            aspect-ratio: 4/3;
        }
        .rounded-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

/* roulang page: category3 */
:root {
            --primary: #0E2E35;
            --primary-light: #16444D;
            --accent: #E5A23C;
            --accent-dark: #D18A25;
            --bg: #F6F1E8;
            --card-bg: #ffffff;
            --card-alt: #FAF6EE;
            --text: #1F2328;
            --text-secondary: #6B7280;
            --border: #E4DCCE;
            --radius-lg: 24px;
            --radius-md: 16px;
            --shadow-sm: 0 4px 24px rgba(14, 46, 53, 0.08);
            --shadow-lg: 0 12px 32px rgba(14, 46, 53, 0.14);
            --transition: all .3s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width:640px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width:1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        .section {
            padding: 4rem 0;
        }

        @media (min-width:768px) {
            .section {
                padding: 6rem 0;
            }
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: .375rem;
            background: rgba(229, 162, 60, .15);
            color: #B87D1F;
            font-size: .8125rem;
            font-weight: 600;
            padding: .375rem .875rem;
            border-radius: 999px;
            letter-spacing: .02em;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            font-weight: 600;
            font-size: 1rem;
            padding: .75rem 1.75rem;
            border-radius: 999px;
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-sm {
            padding: .5rem 1.25rem;
            font-size: .875rem;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }

        .btn-primary:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-primary:focus-visible {
            outline: 4px solid rgba(229, 162, 60, .45);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-secondary:hover {
            background: rgba(14, 46, 53, .08);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-secondary:focus-visible {
            outline: 4px solid rgba(14, 46, 53, .25);
            outline-offset: 2px;
        }

        .btn-white {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }

        .btn-white:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        /* ===== Header & Nav ===== */
        .site-header {
            background: var(--primary);
            position: relative;
            z-index: 100;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .site-header .container {
            padding-top: 1rem;
            padding-bottom: 1rem;
        }

        .nav-top {
            display: flex;
            align-items: center;
            gap: 1rem;
            position: relative;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: .625rem;
            flex-shrink: 0;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 2.375rem;
            height: 2.375rem;
            background: var(--accent);
            color: var(--primary);
            font-weight: 800;
            font-size: .9375rem;
            border-radius: .75rem;
            letter-spacing: -.02em;
        }

        .brand-text {
            color: #fff;
            font-weight: 700;
            font-size: 1.125rem;
            letter-spacing: .02em;
            white-space: nowrap;
        }

        .header-search {
            flex: 1;
            display: flex;
            align-items: center;
            background: #fff;
            border-radius: 999px;
            padding: .25rem .25rem .25rem 1rem;
            max-width: 560px;
            margin: 0 auto;
            border: 2px solid transparent;
            transition: var(--transition);
        }

        .header-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(229, 162, 60, .25);
        }

        .header-search .search-icon {
            width: 1.125rem;
            height: 1.125rem;
            color: #9CA3AF;
            flex-shrink: 0;
        }

        .header-search input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            padding: .5rem .625rem;
            font-size: .9375rem;
            color: var(--text);
            min-width: 0;
        }

        .header-search input::placeholder {
            color: #9CA3AF;
        }

        .header-search button {
            background: var(--accent);
            color: var(--primary);
            border: none;
            border-radius: 999px;
            padding: .5rem 1.25rem;
            font-weight: 600;
            font-size: .875rem;
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .header-search button:hover {
            background: var(--primary);
            color: #fff;
        }

        .nav-actions {
            display: none;
            gap: .25rem;
            margin-left: .5rem;
            flex-shrink: 0;
        }

        .nav-actions a {
            color: rgba(255, 255, 255, .75);
            font-size: .875rem;
            font-weight: 500;
            padding: .5rem .75rem;
            border-radius: 999px;
            white-space: nowrap;
            transition: var(--transition);
        }

        .nav-actions a:hover {
            color: #fff;
            background: rgba(255, 255, 255, .1);
        }

        .nav-actions a.active {
            color: var(--primary);
            background: var(--accent);
            font-weight: 600;
        }

        .nav-toggle {
            display: inline-flex;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 2.5rem;
            height: 2.5rem;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: .75rem;
            padding: .5rem;
            cursor: pointer;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .nav-toggle span {
            display: block;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .nav-bottom {
            display: none;
            flex-direction: column;
            gap: .25rem;
            padding-top: 1rem;
            margin-top: 1rem;
            border-top: 1px solid rgba(255, 255, 255, .08);
        }

        .nav-bottom.open {
            display: flex;
        }

        .nav-bottom a {
            color: rgba(255, 255, 255, .75);
            font-size: .9375rem;
            font-weight: 500;
            padding: .625rem .875rem;
            border-radius: .75rem;
            transition: var(--transition);
        }

        .nav-bottom a:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }

        .nav-bottom a.active {
            color: #fff;
            background: rgba(229, 162, 60, .18);
            font-weight: 600;
        }

        @media (min-width:768px) {
            .nav-top {
                gap: 1.25rem;
            }
            .header-search {
                order: 2;
            }
            .brand {
                order: 1;
            }
            .nav-actions {
                display: inline-flex;
                order: 3;
            }
            .nav-toggle {
                display: none;
            }
            .nav-bottom {
                display: flex !important;
                flex-direction: row;
                gap: .5rem;
                padding-top: .75rem;
                margin-top: .75rem;
            }
            .nav-bottom a {
                font-size: .875rem;
                padding: .5rem 1.125rem;
            }
        }

        @media (min-width:1024px) {
            .nav-top {
                gap: 1.5rem;
            }
            .header-search {
                max-width: 640px;
            }
            .brand-text {
                font-size: 1.25rem;
            }
        }

        /* ===== Hero ===== */
        .hero {
            background: linear-gradient(135deg, rgba(14, 46, 53, .88), rgba(22, 68, 77, .78)), url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            color: #fff;
            padding: 4.5rem 0 4rem;
            position: relative;
        }

        @media (min-width:768px) {
            .hero {
                padding: 6rem 0 5.5rem;
            }
        }

        .hero-breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            font-size: .875rem;
            color: rgba(255, 255, 255, .7);
            background: rgba(255, 255, 255, .08);
            border-radius: 999px;
            padding: .375rem 1rem;
            margin-bottom: 1.5rem;
            backdrop-filter: blur(4px);
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, .9);
        }

        .hero-breadcrumb span {
            color: var(--accent);
        }

        .hero h1 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -.01em;
            max-width: 780px;
            margin-bottom: 1.25rem;
        }

        @media (min-width:768px) {
            .hero h1 {
                font-size: 2.75rem;
            }
        }

        .hero p {
            font-size: 1.0625rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .82);
            max-width: 680px;
            margin-bottom: 2rem;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: .75rem;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: .75rem;
            margin-top: 3rem;
            max-width: 680px;
        }

        .hero-stat {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 1rem;
            padding: 1rem .875rem;
            text-align: center;
            backdrop-filter: blur(6px);
        }

        .hero-stat strong {
            display: block;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
        }

        .hero-stat span {
            font-size: .75rem;
            color: rgba(255, 255, 255, .75);
            margin-top: .25rem;
            display: block;
        }

        @media (min-width:768px) {
            .hero-stat strong {
                font-size: 1.875rem;
            }
        }

        /* ===== Intro Split ===== */
        .card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .intro-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(14, 46, 53, .35));
            border-radius: var(--radius-lg);
            pointer-events: none;
        }

        .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .check-list {
            list-style: none;
            margin-top: 1.5rem;
            display: grid;
            gap: 1rem;
        }

        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: .75rem;
            font-size: .9375rem;
            color: #374151;
            line-height: 1.65;
        }

        .check-list li i {
            color: var(--accent-dark);
            font-size: 1.0625rem;
            margin-top: .2rem;
            flex-shrink: 0;
        }

        /* ===== Scenario list ===== */
        .scenario-card {
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 1.25rem;
            padding: 1.75rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .scenario-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--accent);
            opacity: 0;
            transition: var(--transition);
        }

        .scenario-card:hover::before {
            opacity: 1;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateX(4px);
        }

        .scenario-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            font-variant-numeric: tabular-nums;
            min-width: 2.5rem;
        }

        .scenario-icon {
            width: 2.75rem;
            height: 2.75rem;
            border-radius: .875rem;
            background: rgba(14, 46, 53, .08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.125rem;
            flex-shrink: 0;
        }

        .scenario-body h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            margin-bottom: .375rem;
        }

        .scenario-body p {
            font-size: .9375rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ===== Steps ===== */
        .steps-wrap {
            position: relative;
        }

        .steps-wrap::before {
            content: '';
            position: absolute;
            top: 1.375rem;
            left: 1.5rem;
            width: 2px;
            height: calc(100% - 3rem);
            background: var(--border);
        }

        @media (min-width:768px) {
            .steps-wrap::before {
                top: 1.5rem;
                left: 0;
                right: 0;
                width: auto;
                height: 2px;
                background: var(--border);
            }
        }

        .step-item {
            position: relative;
            padding-left: 4rem;
            padding-bottom: 2rem;
        }

        .step-item:last-child {
            padding-bottom: 0;
        }

        @media (min-width:768px) {
            .step-item {
                padding-left: 1rem;
                padding-top: 4rem;
                padding-bottom: 0;
                text-align: center;
            }
            .step-item:last-child {
                padding-top: 4rem;
            }
        }

        .step-dot {
            position: absolute;
            top: 0;
            left: 0;
            width: 3rem;
            height: 3rem;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.125rem;
            border: 3px solid var(--accent);
            box-shadow: var(--shadow-sm);
        }

        @media (min-width:768px) {
            .step-dot {
                left: 50%;
                transform: translateX(-50%);
            }
        }

        .step-item h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            margin-bottom: .375rem;
        }

        .step-item p {
            font-size: .875rem;
            color: var(--text-secondary);
            line-height: 1.65;
            max-width: 240px;
            margin: 0 auto;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 1.25rem;
            margin-bottom: .875rem;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:last-child {
            margin-bottom: 0;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            transition: var(--transition);
            user-select: none;
        }

        .faq-question:hover {
            background: var(--card-alt);
        }

        .faq-icon {
            width: 1.75rem;
            height: 1.75rem;
            border-radius: 50%;
            background: rgba(229, 162, 60, .15);
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: .875rem;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .faq-item.open .faq-icon {
            transform: rotate(135deg);
            background: var(--accent);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
            padding: 0 1.5rem;
            color: var(--text-secondary);
            font-size: .9375rem;
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 320px;
            padding-bottom: 1.25rem;
        }

        /* ===== CTA Card ===== */
        .cta-card {
            background: linear-gradient(135deg, var(--primary), #16444D);
            border-radius: 1.75rem;
            padding: 2.5rem 2rem;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 320px;
            height: 320px;
            background: rgba(229, 162, 60, .25);
            border-radius: 50%;
            filter: blur(60px);
        }

        @media (min-width:768px) {
            .cta-card {
                padding: 3.5rem 3.5rem;
            }
        }

        .cta-card h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: .75rem;
            position: relative;
        }

        @media (min-width:768px) {
            .cta-card h2 {
                font-size: 1.875rem;
            }
        }

        .cta-card p {
            color: rgba(255, 255, 255, .8);
            line-height: 1.75;
            margin-bottom: 1.5rem;
            max-width: 600px;
            position: relative;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: .75rem;
            position: relative;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, .7);
            padding: 3.5rem 0 2rem;
            margin-top: 4rem;
        }

        @media (min-width:768px) {
            .site-footer {
                margin-top: 6rem;
            }
        }

        .site-footer .brand-text {
            color: #fff;
        }

        .footer-desc {
            font-size: .875rem;
            line-height: 1.7;
            margin-top: 1rem;
            max-width: 300px;
            color: rgba(255, 255, 255, .6);
        }

        .site-footer h4 {
            color: #fff;
            font-size: .9375rem;
            font-weight: 600;
            margin-bottom: 1rem;
            letter-spacing: .03em;
        }

        .site-footer ul {
            list-style: none;
            display: grid;
            gap: .625rem;
        }

        .site-footer ul a {
            color: rgba(255, 255, 255, .6);
            font-size: .875rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            text-align: center;
            font-size: .875rem;
            color: rgba(255, 255, 255, .45);
        }

        /* ===== Animations ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .reveal {
            opacity: 0;
            animation: fadeUp .6s ease forwards;
        }

        @media (prefers-reduced-motion: reduce) {
            .reveal {
                opacity: 1;
                animation: none;
            }
        }