/* roulang page: index */
:root {
            --primary: #8B1E3F;
            --primary-dark: #6D1530;
            --primary-light: #AF3D5E;
            --accent: #C8A45D;
            --accent-light: #E5CD94;
            --bg: #FAF7F2;
            --bg-alt: #F5F0E9;
            --surface: #FFFFFF;
            --text: #2D2A26;
            --text-weak: #7A756E;
            --text-muted: #A39D94;
            --border: #E8E0D8;
            --border-strong: #D5CCC2;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(45, 42, 38, 0.06);
            --shadow-md: 0 6px 22px rgba(45, 42, 38, 0.09);
            --shadow-lg: 0 18px 50px rgba(45, 42, 38, 0.14);
            --shadow-gold: 0 4px 18px rgba(200, 164, 93, 0.28);
            --space-1: 4px;
            --space-2: 8px;
            --space-3: 12px;
            --space-4: 16px;
            --space-5: 24px;
            --space-6: 32px;
            --space-7: 48px;
            --space-8: 64px;
            --space-9: 80px;
            --space-10: 96px;
            --container-x: 1200px;
            --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            --transition-fast: 160ms ease;
            --transition-base: 240ms ease;
            --transition-slow: 380ms ease;
            --focus-ring: 0 0 0 3px rgba(139, 30, 63, 0.22);
        }

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

        html {
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
            scroll-behavior: smooth;
            scroll-padding-top: 76px;
        }

        body {
            font-family: var(--font-base);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
            border-radius: var(--radius-sm);
        }

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

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            background: none;
            border: none;
        }
        button:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
            border-radius: var(--radius-sm);
        }

        ul, ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-x);
            margin: 0 auto;
            padding: 0 var(--space-5);
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(250, 247, 242, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition-base), background var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
            background: rgba(250, 247, 242, 0.98);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: var(--space-4);
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: var(--space-3);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text);
            white-space: nowrap;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }
        .brand-logo:hover {
            color: var(--primary);
        }
        .brand-mark {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .brand-text .brand-name {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--text);
        }
        .brand-text .brand-sub {
            font-size: 0.7rem;
            font-weight: 400;
            color: var(--text-weak);
            letter-spacing: 0.06em;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--space-2);
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: var(--space-2) var(--space-4);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text);
            border-radius: 999px;
            transition: background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: var(--bg-alt);
            color: var(--primary);
        }
        .main-nav a.active {
            background: var(--primary);
            color: #fff;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: var(--space-2);
            padding: var(--space-2) var(--space-5);
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border-radius: 999px;
            transition: background var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-base);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: var(--space-2);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: var(--surface);
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }
        .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);
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            isolation: isolate;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(20, 12, 16, 0.78) 0%, rgba(60, 25, 38, 0.66) 50%, rgba(30, 20, 16, 0.8) 100%);
            z-index: -1;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg) 0%, transparent 100%);
            z-index: 1;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: 820px;
            margin: 0 auto;
            text-align: center;
            padding: var(--space-9) var(--space-5) var(--space-8);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: var(--space-2);
            padding: var(--space-2) var(--space-4);
            background: rgba(200, 164, 93, 0.18);
            border: 1px solid rgba(200, 164, 93, 0.45);
            color: var(--accent-light);
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.08em;
            border-radius: 999px;
            margin-bottom: var(--space-5);
        }
        .hero-content h1 {
            font-size: clamp(2rem, 5vw, 3.2rem);
            line-height: 1.25;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-4);
            letter-spacing: 0.01em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .hero-content .hero-desc {
            font-size: 1.05rem;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.88);
            max-width: 680px;
            margin: 0 auto var(--space-6);
            text-shadow: 0 1px 8px rgba(0, 0, 0, 0.2);
        }
        .hero-search {
            display: flex;
            max-width: 640px;
            margin: 0 auto var(--space-6);
            background: rgba(255, 255, 255, 0.96);
            border-radius: 999px;
            padding: 6px 6px 6px 22px;
            box-shadow: var(--shadow-lg);
            transition: box-shadow var(--transition-base);
        }
        .hero-search:focus-within {
            box-shadow: 0 0 0 3px rgba(200, 164, 93, 0.4), var(--shadow-lg);
        }
        .hero-search .search-icon {
            display: flex;
            align-items: center;
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-right: var(--space-3);
        }
        .hero-search input {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 0.95rem;
            color: var(--text);
            min-width: 0;
        }
        .hero-search input::placeholder {
            color: var(--text-muted);
        }
        .hero-search button {
            padding: var(--space-3) var(--space-6);
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 999px;
            transition: background var(--transition-base), transform var(--transition-fast);
            white-space: nowrap;
        }
        .hero-search button:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-2);
            justify-content: center;
        }
        .hero-tags .tag-label {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.82rem;
            align-self: center;
            margin-right: var(--space-2);
        }
        .hero-tags a {
            display: inline-block;
            padding: var(--space-1) var(--space-4);
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.8rem;
            border-radius: 999px;
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }
        .hero-tags a:hover {
            background: rgba(255, 255, 255, 0.22);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
        }

        /* ========== Section Common ========== */
        .section {
            padding: var(--space-8) 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-head {
            margin-bottom: var(--space-6);
        }
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(139, 30, 63, 0.08);
            padding: var(--space-1) var(--space-3);
            border-radius: 999px;
            margin-bottom: var(--space-3);
        }
        .section-title {
            font-size: clamp(1.5rem, 3.5vw, 2.2rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: var(--space-3);
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-weak);
            line-height: 1.85;
            max-width: 700px;
        }

        /* ========== App / Feature Section ========== */
        .app-section {
            padding: var(--space-8) 0;
        }
        .app-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: var(--space-7);
            align-items: center;
        }
        .app-info .section-title {
            margin-bottom: var(--space-4);
        }
        .app-info .section-desc {
            margin-bottom: var(--space-5);
        }
        .app-feature-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-4);
            margin-top: var(--space-4);
        }
        .app-feature-item {
            display: flex;
            align-items: flex-start;
            gap: var(--space-4);
            padding: var(--space-4);
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .app-feature-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }
        .app-feature-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(139, 30, 63, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .app-feature-text h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: var(--space-1);
            color: var(--text);
        }
        .app-feature-text p {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.7;
        }
        .app-visual {
            position: relative;
        }
        .app-visual img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
        }
        .app-visual .floating-badge {
            position: absolute;
            bottom: var(--space-5);
            left: var(--space-5);
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-md);
            padding: var(--space-3) var(--space-5);
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            gap: var(--space-3);
        }
        .floating-badge .fb-num {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary);
        }
        .floating-badge .fb-label {
            font-size: 0.8rem;
            color: var(--text-weak);
            line-height: 1.3;
        }

        /* ========== Service Section ========== */
        .service-section {
            background: var(--bg-alt);
            padding: var(--space-8) 0;
        }
        .service-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: var(--space-5);
            margin-top: var(--space-4);
        }
        .service-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: var(--space-6) var(--space-5);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-card.featured {
            background: linear-gradient(160deg, var(--primary), var(--primary-dark));
            border-color: var(--primary);
        }
        .service-card.featured .service-card-icon,
        .service-card.featured .service-card-title,
        .service-card.featured .service-card-desc,
        .service-card.featured .service-card-link {
            color: #fff;
        }
        .service-card.featured .service-card-desc {
            color: rgba(255, 255, 255, 0.82);
        }
        .service-card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(139, 30, 63, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.3rem;
            margin-bottom: var(--space-4);
        }
        .service-card.featured .service-card-icon {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }
        .service-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: var(--space-2);
            color: var(--text);
        }
        .service-card-desc {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.75;
            margin-bottom: var(--space-4);
        }
        .service-card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: var(--space-2);
        }
        .service-card-link i {
            transition: transform var(--transition-fast);
        }
        .service-card-link:hover i {
            transform: translateX(4px);
        }

        /* ========== About / Stats Section ========== */
        .about-section {
            padding: var(--space-8) 0;
        }
        .about-grid {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: var(--space-7);
            align-items: center;
        }
        .about-visual img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
        }
        .about-info .section-title {
            margin-bottom: var(--space-4);
        }
        .about-info .section-desc {
            margin-bottom: var(--space-5);
        }
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-5);
            margin-top: var(--space-5);
        }
        .stat-item {
            flex: 1;
            min-width: 110px;
            text-align: center;
            padding: var(--space-4) var(--space-3);
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }
        .stat-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .stat-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            display: block;
            margin-bottom: var(--space-1);
        }
        .stat-label {
            font-size: 0.82rem;
            color: var(--text-weak);
        }

        /* ========== News Section ========== */
        .news-section {
            background: var(--bg-alt);
            padding: var(--space-8) 0;
        }
        .news-layout {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: var(--space-6);
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-3);
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: var(--space-4);
            padding: var(--space-4) var(--space-5);
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .news-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
            border-color: var(--border-strong);
        }
        .news-item-num {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent);
            background: rgba(200, 164, 93, 0.12);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .news-item-content {
            flex: 1;
            min-width: 0;
        }
        .news-item-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            display: block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: color var(--transition-fast);
            margin-bottom: var(--space-1);
        }
        .news-item:hover .news-item-title {
            color: var(--primary);
        }
        .news-item-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: var(--space-3);
        }
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: var(--space-4);
        }
        .sidebar-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }
        .sidebar-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card img {
            width: 100%;
            height: 170px;
            object-fit: cover;
        }
        .sidebar-card-body {
            padding: var(--space-4);
        }
        .sidebar-card-body h3 {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: var(--space-2);
            line-height: 1.5;
        }
        .sidebar-card-body p {
            font-size: 0.8rem;
            color: var(--text-weak);
            line-height: 1.65;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--space-8) 0;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--space-3);
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-item.open {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-4);
            padding: var(--space-4) var(--space-5);
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            transition: color var(--transition-fast);
            user-select: none;
            -webkit-tap-highlight-color: transparent;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--text-weak);
            transition: transform var(--transition-base), background var(--transition-base), color var(--transition-base);
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 var(--space-5);
        }
        .faq-item.open .faq-answer {
            max-height: 220px;
            padding: 0 var(--space-5) var(--space-5);
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.8;
        }

        /* ========== CTA Band ========== */
        .cta-band {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            padding: var(--space-7) var(--space-5);
            text-align: center;
            border-radius: var(--radius-lg);
            margin: var(--space-8) auto;
            max-width: var(--container-x);
        }
        .cta-band h2 {
            font-size: clamp(1.4rem, 3vw, 2rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-3);
        }
        .cta-band p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 560px;
            margin: 0 auto var(--space-5);
            line-height: 1.75;
        }
        .cta-band .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-3);
            justify-content: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: var(--space-2);
            padding: var(--space-3) var(--space-6);
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: 999px;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-primary {
            background: #fff;
            color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #241E1C;
            color: rgba(255, 255, 255, 0.75);
            padding: var(--space-7) 0 var(--space-5);
            margin-top: var(--space-6);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: var(--space-6);
            margin-bottom: var(--space-6);
        }
        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: var(--space-3);
        }
        .footer-brand .brand-logo .brand-name {
            color: #fff;
        }
        .footer-brand .brand-logo .brand-sub {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.6);
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: var(--space-4);
            letter-spacing: 0.04em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: var(--space-2);
        }
        .footer-col ul a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--space-5);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-3);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom .domain-info {
            font-family: monospace;
            letter-spacing: 0.03em;
        }

        /* ========== Fixed Bottom CTA Bar ========== */
        .fixed-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border);
            padding: var(--space-3) var(--space-5);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-4);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
            transform: translateY(100%);
            transition: transform var(--transition-base);
        }
        .fixed-cta-bar.visible {
            transform: translateY(0);
        }
        .fixed-cta-text {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .fixed-cta-text span {
            color: var(--primary);
        }
        .fixed-cta-bar .btn {
            flex-shrink: 0;
            padding: var(--space-2) var(--space-5);
            font-size: 0.85rem;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .app-grid {
                grid-template-columns: 1fr;
                gap: var(--space-5);
            }
            .app-visual img {
                height: 320px;
            }
            .about-grid {
                grid-template-columns: 1fr;
                gap: var(--space-5);
            }
            .about-visual img {
                height: 300px;
            }
            .news-layout {
                grid-template-columns: 1fr;
                gap: var(--space-5);
            }
            .sidebar-card img {
                height: 190px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            html {
                scroll-padding-top: 60px;
            }
            .header-inner {
                min-height: 60px;
                flex-wrap: wrap;
                gap: var(--space-3);
                padding-top: var(--space-3);
                padding-bottom: var(--space-3);
            }
            .brand-logo {
                font-size: 0.95rem;
            }
            .brand-mark {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }
            .brand-text .brand-name {
                font-size: 0.9rem;
            }
            .brand-text .brand-sub {
                font-size: 0.62rem;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                gap: 0;
                padding-top: var(--space-3);
                border-top: 1px solid var(--border);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: var(--space-3) var(--space-4);
                border-radius: var(--radius-sm);
                font-size: 0.9rem;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .hero-section {
                min-height: 480px;
            }
            .hero-content {
                padding: var(--space-7) var(--space-4) var(--space-6);
            }
            .hero-content h1 {
                font-size: clamp(1.6rem, 5.5vw, 2.3rem);
            }
            .hero-content .hero-desc {
                font-size: 0.92rem;
                line-height: 1.75;
            }
            .hero-search {
                flex-direction: column;
                border-radius: var(--radius-md);
                padding: var(--space-3);
                gap: var(--space-3);
            }
            .hero-search input {
                width: 100%;
                padding: var(--space-2) var(--space-3);
            }
            .hero-search button {
                width: 100%;
                padding: var(--space-3);
                border-radius: var(--radius-sm);
            }
            .hero-tags {
                gap: var(--space-2);
            }
            .hero-tags .tag-label {
                width: 100%;
                text-align: center;
                margin-right: 0;
            }
            .service-grid {
                grid-template-columns: 1fr;
                gap: var(--space-4);
            }
            .news-item {
                padding: var(--space-3) var(--space-4);
                flex-wrap: wrap;
            }
            .news-item-num {
                width: 30px;
                height: 30px;
                font-size: 0.75rem;
            }
            .news-item-title {
                font-size: 0.88rem;
                white-space: normal;
            }
            .stats-row {
                gap: var(--space-3);
            }
            .stat-item {
                min-width: 80px;
                padding: var(--space-3) var(--space-2);
            }
            .stat-num {
                font-size: 1.3rem;
            }
            .cta-band {
                padding: var(--space-6) var(--space-4);
                border-radius: var(--radius-md);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-5);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: var(--space-2);
            }
            .fixed-cta-bar {
                padding: var(--space-2) var(--space-4);
            }
            .fixed-cta-text {
                font-size: 0.78rem;
            }
            .fixed-cta-bar .btn {
                padding: var(--space-2) var(--space-4);
                font-size: 0.78rem;
            }
            .section {
                padding: var(--space-6) 0;
            }
            .section-title {
                font-size: clamp(1.3rem, 4vw, 1.7rem);
            }
            .section-desc {
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--space-4);
            }
            .hero-section {
                min-height: 430px;
            }
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .hero-content .hero-desc {
                font-size: 0.85rem;
            }
            .hero-tags a {
                font-size: 0.72rem;
                padding: var(--space-1) var(--space-3);
            }
            .app-feature-item {
                padding: var(--space-3);
            }
            .app-feature-icon {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }
            .app-feature-text h3 {
                font-size: 0.9rem;
            }
            .app-feature-text p {
                font-size: 0.8rem;
            }
            .service-card {
                padding: var(--space-4) var(--space-3);
            }
            .service-card-title {
                font-size: 1rem;
            }
            .service-card-desc {
                font-size: 0.82rem;
            }
            .sidebar-card img {
                height: 150px;
            }
            .faq-question {
                font-size: 0.85rem;
                padding: var(--space-3) var(--space-4);
            }
            .faq-answer p {
                font-size: 0.82rem;
            }
            .btn {
                padding: var(--space-2) var(--space-5);
                font-size: 0.82rem;
            }
            .fixed-cta-text {
                font-size: 0.72rem;
            }
        }