/* roulang page: index */
:root {
            --brand-primary: #2b1a5e;
            --brand-secondary: #7c3aed;
            --brand-accent: #d4a843;
            --brand-accent-light: #e8c76a;
            --brand-gradient: linear-gradient(135deg, #1a0f3c 0%, #2b1a5e 35%, #7c3aed 70%, #d4a843 100%);
            --brand-gradient-btn: linear-gradient(135deg, #d4a843 0%, #e8c76a 45%, #b8852e 100%);
            --brand-gradient-card: linear-gradient(160deg, rgba(43, 26, 94, 0.95) 0%, rgba(124, 58, 237, 0.85) 60%, rgba(212, 168, 67, 0.75) 100%);
            --bg-page: #0d0d1a;
            --bg-section: #141428;
            --bg-section-alt: #1b1b36;
            --bg-card: #1d1d3a;
            --bg-card-hover: #26264a;
            --text-primary: #f5f3fa;
            --text-secondary: #c8c4d8;
            --text-muted: #9a96b0;
            --text-on-dark: #f5f3fa;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(212, 168, 67, 0.35);
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 8px 32px rgba(212, 168, 67, 0.25);
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 26px;
            --radius-xl: 36px;
            --radius-full: 50px;
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.5rem;
            --space-lg: 2.5rem;
            --space-xl: 4rem;
            --space-2xl: 6rem;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-base: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-slow: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--brand-accent);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--brand-accent-light);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button:focus-visible,
        .btn:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 3px;
        }

        .container {
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        .container-fluid {
            max-width: 100%;
            padding-left: 0;
            padding-right: 0;
        }

        /* ==================== SECTION BASE ==================== */
        .section {
            padding: var(--space-xl) 0;
            position: relative;
        }
        .section-alt {
            background-color: var(--bg-section-alt);
        }
        .section-title {
            font-size: clamp(1.75rem, 3.5vw, 2.6rem);
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--text-primary);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 2rem;
        }
        .section-title .accent {
            color: var(--brand-accent);
        }
        .text-accent {
            color: var(--brand-accent);
        }
        .text-muted-custom {
            color: var(--text-muted);
        }

        /* ==================== HEADER / NAV ==================== */
        .site-header {
            padding: 1rem 1.25rem;
            position: relative;
            z-index: 1080;
        }
        .site-header .nav-shell {
            max-width: 1200px;
            margin: 0 auto;
            background: rgba(20, 20, 40, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-full);
            padding: 0.6rem 1.25rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(212, 168, 67, 0.1) inset;
            transition: box-shadow var(--transition-base), background var(--transition-base);
        }
        .site-header .nav-shell:hover {
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(212, 168, 67, 0.25) inset;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--brand-gradient-btn);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #1a0f3c;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(212, 168, 67, 0.35);
        }
        .brand-logo:hover {
            color: var(--text-primary);
            opacity: 0.9;
        }
        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .navbar-nav-custom li a {
            display: block;
            padding: 0.5rem 1.1rem;
            border-radius: var(--radius-full);
            color: var(--text-secondary);
            font-size: 0.92rem;
            font-weight: 500;
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .navbar-nav-custom li a:hover,
        .navbar-nav-custom li a.active {
            background: rgba(212, 168, 67, 0.15);
            color: var(--brand-accent);
        }
        .navbar-nav-custom li a.active {
            background: rgba(212, 168, 67, 0.2);
            color: var(--brand-accent);
            box-shadow: 0 0 16px rgba(212, 168, 67, 0.2) inset;
        }
        .nav-cta-btn {
            background: var(--brand-gradient-btn);
            color: #1a0f3c;
            border: none;
            border-radius: var(--radius-full);
            padding: 0.55rem 1.4rem;
            font-weight: 700;
            font-size: 0.92rem;
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(212, 168, 67, 0.35);
        }
        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 168, 67, 0.5);
            background: var(--brand-gradient-btn);
            color: #1a0f3c;
        }
        .navbar-toggler-custom {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            width: 42px;
            height: 38px;
            display: none;
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
            font-size: 1.2rem;
            cursor: pointer;
            transition: background var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            background: rgba(255, 255, 255, 0.15);
        }
        .mobile-menu {
            display: none;
            background: rgba(20, 20, 40, 0.97);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 1rem;
            margin-top: 0.5rem;
            list-style: none;
            flex-direction: column;
            gap: 0.3rem;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu li a {
            display: block;
            padding: 0.7rem 1rem;
            border-radius: 12px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }
        .mobile-menu li a:hover,
        .mobile-menu li a.active {
            background: rgba(212, 168, 67, 0.15);
            color: var(--brand-accent);
        }

        /* ==================== HERO ==================== */
        .hero-section {
            padding: 3rem 0 4rem;
            position: relative;
            min-height: auto;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.25;
            pointer-events: none;
            border-radius: 0;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 13, 26, 0.7) 0%, rgba(13, 13, 26, 0.85) 70%, var(--bg-page) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(212, 168, 67, 0.15);
            border: 1px solid rgba(212, 168, 67, 0.35);
            color: var(--brand-accent);
            border-radius: var(--radius-full);
            padding: 0.4rem 1.1rem;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 1.25rem;
            backdrop-filter: blur(8px);
        }
        .hero-title {
            font-size: clamp(2rem, 4.5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: 0.5px;
            color: var(--text-primary);
            margin-bottom: 1.25rem;
        }
        .hero-title .gradient-text {
            background: linear-gradient(135deg, #e8c76a 0%, #d4a843 40%, #f0d98a 70%, #c9962e 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.08rem;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 660px;
            margin-bottom: 1.75rem;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 0.2rem;
        }
        .hero-stat-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--brand-accent);
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .btn-brand {
            background: var(--brand-gradient-btn);
            color: #1a0f3c;
            border: none;
            border-radius: var(--radius-full);
            padding: 0.75rem 1.8rem;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
            box-shadow: 0 6px 20px rgba(212, 168, 67, 0.4);
        }
        .btn-brand:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(212, 168, 67, 0.55);
            color: #1a0f3c;
        }
        .btn-outline-brand {
            background: transparent;
            color: var(--brand-accent);
            border: 2px solid var(--brand-accent);
            border-radius: var(--radius-full);
            padding: 0.7rem 1.6rem;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }
        .btn-outline-brand:hover {
            background: rgba(212, 168, 67, 0.15);
            color: var(--brand-accent-light);
            border-color: var(--brand-accent-light);
            transform: translateY(-2px);
        }

        /* ==================== COMPARISON CARDS (HERO RIGHT) ==================== */
        .comparison-panel {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1.2fr 1fr;
            gap: 1rem;
            align-items: stretch;
            margin-top: 0.5rem;
        }
        .compare-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.25rem;
            transition: all var(--transition-base);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .compare-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(255, 255, 255, 0.15);
        }
        .compare-card.recommended {
            background: var(--brand-gradient-card);
            border-color: var(--border-glow);
            box-shadow: 0 12px 40px rgba(212, 168, 67, 0.3), 0 0 0 1px rgba(212, 168, 67, 0.3) inset;
            transform: translateY(-8px);
            z-index: 3;
        }
        .compare-card.recommended:hover {
            transform: translateY(-10px);
            box-shadow: 0 16px 48px rgba(212, 168, 67, 0.4), 0 0 0 1px rgba(212, 168, 67, 0.4) inset;
        }
        .compare-card .cc-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-full);
            padding: 0.25rem 0.8rem;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 0.75rem;
            width: fit-content;
        }
        .compare-card.recommended .cc-tag {
            background: var(--brand-gradient-btn);
            color: #1a0f3c;
        }
        .compare-card .cc-name {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }
        .compare-card .cc-price {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--brand-accent);
            margin-bottom: 0.75rem;
            line-height: 1.2;
        }
        .compare-card .cc-price span {
            font-size: 0.85rem;
            font-weight: 400;
            color: var(--text-muted);
        }
        .compare-card .cc-features {
            list-style: none;
            padding: 0;
            margin: 0 0 1rem;
            flex-grow: 1;
        }
        .compare-card .cc-features li {
            padding: 0.3rem 0;
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .compare-card .cc-features li i {
            color: var(--brand-accent);
            font-size: 0.75rem;
            width: 14px;
            text-align: center;
        }
        .compare-card .btn-cc {
            display: block;
            width: 100%;
            padding: 0.6rem 1rem;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            text-align: center;
            transition: all var(--transition-fast);
            border: none;
        }
        .compare-card .btn-cc-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-secondary);
        }
        .compare-card .btn-cc-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-primary);
        }
        .compare-card .btn-cc-solid {
            background: var(--brand-gradient-btn);
            color: #1a0f3c;
            box-shadow: 0 4px 14px rgba(212, 168, 67, 0.35);
        }
        .compare-card .btn-cc-solid:hover {
            box-shadow: 0 8px 24px rgba(212, 168, 67, 0.5);
            transform: translateY(-2px);
        }

        /* ==================== COUNTDOWN BAR ==================== */
        .countdown-bar {
            background: rgba(20, 20, 40, 0.7);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 1.5rem;
            backdrop-filter: blur(12px);
        }
        .countdown-label {
            font-weight: 600;
            color: var(--brand-accent);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .countdown-label i {
            font-size: 1.1rem;
        }
        .countdown-timer {
            display: flex;
            gap: 0.5rem;
            align-items: center;
        }
        .countdown-timer .cd-unit {
            display: flex;
            flex-direction: column;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 10px;
            padding: 0.4rem 0.7rem;
            min-width: 52px;
        }
        .countdown-timer .cd-value {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
        }
        .countdown-timer .cd-label {
            font-size: 0.7rem;
            color: var(--text-muted);
        }
        .countdown-timer .cd-sep {
            font-size: 1.2rem;
            color: var(--brand-accent);
            font-weight: 700;
        }

        /* ==================== FLASH SALE ==================== */
        .flash-section {
            background: var(--bg-section-alt);
            border-radius: var(--radius-lg);
            padding: 2rem;
            margin-top: 2.5rem;
        }
        .flash-track {
            display: flex;
            gap: 1rem;
            overflow-x: auto;
            padding: 0.5rem 0.25rem 1rem;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(212, 168, 67, 0.4) transparent;
        }
        .flash-track::-webkit-scrollbar {
            height: 5px;
        }
        .flash-track::-webkit-scrollbar-track {
            background: transparent;
        }
        .flash-track::-webkit-scrollbar-thumb {
            background: rgba(212, 168, 67, 0.4);
            border-radius: 10px;
        }
        .flash-item {
            min-width: 240px;
            max-width: 260px;
            scroll-snap-align: start;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            flex-shrink: 0;
            position: relative;
        }
        .flash-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: rgba(212, 168, 67, 0.3);
        }
        .flash-item .flash-img-wrap {
            position: relative;
            height: 140px;
            overflow: hidden;
        }
        .flash-item .flash-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .flash-item:hover .flash-img-wrap img {
            transform: scale(1.08);
        }
        .flash-item .flash-stock {
            position: absolute;
            top: 8px;
            right: 8px;
            background: rgba(220, 38, 38, 0.9);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.25rem 0.6rem;
            border-radius: var(--radius-full);
            letter-spacing: 0.3px;
        }
        .flash-item .flash-body {
            padding: 1rem;
        }
        .flash-item .flash-name {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
            line-height: 1.4;
        }
        .flash-item .flash-price-row {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.6rem;
        }
        .flash-item .flash-price {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--brand-accent);
        }
        .flash-item .flash-original {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-decoration: line-through;
        }
        .flash-item .flash-btn-group {
            display: flex;
            gap: 0.5rem;
        }
        .flash-item .flash-btn {
            flex: 1;
            padding: 0.45rem 0.6rem;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            text-align: center;
            border: none;
            transition: all var(--transition-fast);
        }
        .flash-item .flash-btn-grab {
            background: var(--brand-gradient-btn);
            color: #1a0f3c;
        }
        .flash-item .flash-btn-grab:hover {
            box-shadow: 0 4px 14px rgba(212, 168, 67, 0.4);
        }
        .flash-item .flash-btn-wish {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-secondary);
        }
        .flash-item .flash-btn-wish:hover {
            background: rgba(255, 255, 255, 0.15);
            color: var(--text-primary);
        }

        /* ==================== INFO SECTION ==================== */
        .info-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 2rem;
            align-items: start;
        }
        .info-list-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.5rem;
        }
        .info-list-item {
            display: flex;
            gap: 1rem;
            padding: 1rem 0;
            border-bottom: 1px solid var(--border-color);
            align-items: flex-start;
        }
        .info-list-item:last-child {
            border-bottom: none;
        }
        .info-list-item .info-thumb {
            width: 72px;
            height: 56px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .info-list-item .info-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .info-list-item .info-content h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.25rem;
            line-height: 1.4;
        }
        .info-list-item .info-content h4 a {
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }
        .info-list-item .info-content h4 a:hover {
            color: var(--brand-accent);
        }
        .info-list-item .info-content p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin: 0;
        }
        .info-side-recommend {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            position: sticky;
            top: 6rem;
        }
        .info-side-recommend h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }
        .side-rec-item {
            display: flex;
            gap: 0.8rem;
            padding: 0.7rem 0;
            border-bottom: 1px solid var(--border-color);
            align-items: center;
        }
        .side-rec-item:last-child {
            border-bottom: none;
        }
        .side-rec-item .side-rec-img {
            width: 64px;
            height: 48px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .side-rec-item .side-rec-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .side-rec-item h5 {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.15rem;
            line-height: 1.4;
        }
        .side-rec-item span {
            font-size: 0.72rem;
            color: var(--text-muted);
        }

        /* ==================== SERVICE CARDS ==================== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            position: relative;
        }
        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(212, 168, 67, 0.3);
        }
        .service-card .service-img {
            height: 180px;
            overflow: hidden;
        }
        .service-card .service-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .service-card:hover .service-img img {
            transform: scale(1.1);
        }
        .service-card .service-body {
            padding: 1.25rem;
        }
        .service-card .service-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }
        .service-card .service-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 0.8rem;
            line-height: 1.7;
        }
        .service-card .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }
        .service-card .service-tags .tag {
            font-size: 0.72rem;
            padding: 0.2rem 0.7rem;
            border-radius: var(--radius-full);
            background: rgba(212, 168, 67, 0.12);
            color: var(--brand-accent);
            font-weight: 500;
        }

        /* ==================== APP SECTION ==================== */
        .app-section {
            background: var(--brand-gradient);
            border-radius: var(--radius-xl);
            padding: 3rem 2rem;
            position: relative;
            overflow: hidden;
        }
        .app-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            opacity: 0.15;
            pointer-events: none;
        }
        .app-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
        }
        .app-content h3 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .app-content p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }
        .app-stats {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .app-stat {
            text-align: center;
        }
        .app-stat .as-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--brand-accent-light);
            line-height: 1.2;
        }
        .app-stat .as-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
        }
        .app-download-btns {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        .app-download-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-full);
            padding: 0.65rem 1.4rem;
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }
        .app-download-btn:hover {
            background: rgba(255, 255, 255, 0.22);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ==================== FAQ ==================== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 0.8rem;
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(212, 168, 67, 0.25);
        }
        .faq-item .faq-question {
            padding: 1.1rem 1.5rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.98rem;
            gap: 1rem;
            user-select: none;
            transition: color var(--transition-fast);
        }
        .faq-item .faq-question:hover {
            color: var(--brand-accent);
        }
        .faq-item .faq-question .faq-icon {
            font-size: 1rem;
            color: var(--brand-accent);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-item .faq-answer p {
            padding: 0 1.5rem 1.2rem;
            margin: 0;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.8;
        }

        /* ==================== ABOUT SECTION ==================== */
        .about-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }
        .about-img-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .about-img-wrap img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }
        .about-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(43, 26, 94, 0.35) 0%, rgba(212, 168, 67, 0.15) 100%);
            pointer-events: none;
        }
        .about-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }
        .about-text p {
            color: var(--text-secondary);
            font-size: 0.98rem;
            line-height: 1.85;
            margin-bottom: 0.8rem;
        }
        .about-badge-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-top: 1rem;
        }
        .about-badge-list .ab-badge {
            background: rgba(212, 168, 67, 0.12);
            border: 1px solid rgba(212, 168, 67, 0.3);
            border-radius: var(--radius-full);
            padding: 0.35rem 1rem;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--brand-accent);
        }

        /* ==================== CTA SECTION ==================== */
        .cta-section {
            background: var(--bg-section-alt);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(212, 168, 67, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section h3 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.8rem;
            position: relative;
        }
        .cta-section p {
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 1.5rem;
            position: relative;
        }

        /* ==================== FOOTER ==================== */
        .site-footer {
            background: #0a0a16;
            border-top: 1px solid var(--border-color);
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer-brand .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--brand-gradient-btn);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #1a0f3c;
            font-size: 0.9rem;
        }
        .footer-desc {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--brand-accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .footer-bottom p {
            margin: 0;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        .footer-bottom .footer-links a {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-bottom .footer-links a:hover {
            color: var(--brand-accent);
        }

        /* ==================== RESPONSIVE ==================== */
        @media (max-width: 1024px) {
            .comparison-panel {
                grid-template-columns: 1fr 1fr;
                gap: 0.8rem;
            }
            .compare-card.recommended {
                transform: translateY(0);
                order: -1;
                grid-column: 1 / -1;
            }
            .compare-card.recommended:hover {
                transform: translateY(-4px);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .app-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .app-stats {
                justify-content: center;
            }
            .app-download-btns {
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            .navbar-nav-custom {
                display: none;
            }
            .nav-cta-btn {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .site-header {
                padding: 0.75rem;
            }
            .site-header .nav-shell {
                padding: 0.5rem 0.9rem;
                border-radius: 18px;
            }
            .brand-logo {
                font-size: 0.95rem;
            }
            .brand-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
            .hero-section {
                padding: 2rem 0 3rem;
            }
            .info-layout {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .info-side-recommend {
                position: static;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .about-layout {
                grid-template-columns: 1fr;
            }
            .countdown-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-content {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .app-section {
                padding: 2rem 1.25rem;
                border-radius: var(--radius-md);
            }
            .flash-section {
                padding: 1.25rem;
                border-radius: var(--radius-md);
            }
            .section {
                padding: 2.5rem 0;
            }
            .hero-stats {
                gap: 1rem;
            }
            .hero-stat-value {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .comparison-panel {
                grid-template-columns: 1fr;
            }
            .compare-card.recommended {
                grid-column: auto;
                order: 0;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
                text-align: center;
            }
            .countdown-timer .cd-unit {
                min-width: 42px;
                padding: 0.3rem 0.5rem;
            }
            .countdown-timer .cd-value {
                font-size: 1rem;
            }
            .flash-item {
                min-width: 200px;
                max-width: 220px;
            }
            .btn-brand,
            .btn-outline-brand {
                padding: 0.65rem 1.2rem;
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .about-img-wrap img {
                height: 220px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}