/* roulang page: index */
:root {
            --bg-deep: #0B0A0E;
            --bg-card: #1A1A1F;
            --bg-card-hover: #1F1F25;
            --border-subtle: #2A2A2F;
            --border-active: #3A3A42;
            --gold: #C8A96E;
            --gold-light: #D4B87A;
            --gold-glow: rgba(200, 169, 110, 0.35);
            --gold-glow-strong: rgba(200, 169, 110, 0.6);
            --neon-red: #D42A2A;
            --neon-red-glow: rgba(212, 42, 42, 0.5);
            --silver: #B0B0B0;
            --silver-dim: #8A8A8F;
            --text-primary: #E8E8EC;
            --text-secondary: #B0B0B8;
            --text-muted: #6A6A72;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 0 15px rgba(200, 169, 110, 0.3);
            --shadow-gold-lg: 0 0 30px rgba(200, 169, 110, 0.45);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --section-pad: 80px;
            --section-pad-mobile: 40px;
            --card-pad: 24px;
            --card-gap: 24px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.8;
            min-height: 100vh;
            overflow-x: hidden;
            background-image:
                linear-gradient(rgba(26, 26, 31, 0.25) 1px, transparent 1px),
                linear-gradient(90deg, rgba(26, 26, 31, 0.25) 1px, transparent 1px);
            background-size: 40px 40px;
            background-position: center center;
            background-attachment: fixed;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 9999;
            background: repeating-linear-gradient(0deg,
                    transparent,
                    transparent 2px,
                    rgba(0, 0, 0, 0.015) 2px,
                    rgba(0, 0, 0, 0.015) 4px);
            animation: scanline 8s linear infinite;
            opacity: 0.4;
        }

        @keyframes scanline {
            0% {
                transform: translateY(0);
            }
            100% {
                transform: translateY(100px);
            }
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 1400px) {
            .container {
                max-width: 1280px;
            }
        }

        /* ========== NAVIGATION ========== */
        .navbar {
            background: rgba(11, 10, 14, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 0 20px;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            min-height: 60px;
            display: flex;
            align-items: center;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .navbar.scrolled {
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.6);
            background: rgba(11, 10, 14, 0.98);
        }
        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--gold) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .navbar-brand .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--gold), #A8884A);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #0B0A0E;
            font-weight: 900;
            flex-shrink: 0;
        }
        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 32px;
            flex-wrap: nowrap;
        }
        .navbar-nav .nav-link {
            color: var(--text-secondary) !important;
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--gold) !important;
            background: rgba(200, 169, 110, 0.08);
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--gold);
            border-radius: 1px;
        }
        .nav-status {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: auto;
            flex-shrink: 0;
        }
        .nav-status .status-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: #2ECC71;
            box-shadow: 0 0 8px rgba(46, 204, 113, 0.7), 0 0 18px rgba(46, 204, 113, 0.35);
            animation: breathe 2s ease-in-out infinite;
        }
        @keyframes breathe {
            0%,
            100% {
                box-shadow: 0 0 8px rgba(46, 204, 113, 0.7), 0 0 18px rgba(46, 204, 113, 0.35);
            }
            50% {
                box-shadow: 0 0 16px rgba(46, 204, 113, 0.95), 0 0 28px rgba(46, 204, 113, 0.55);
            }
        }
        .nav-status .status-text {
            font-size: 0.8rem;
            color: var(--silver);
            white-space: nowrap;
        }
        .nav-status .badge-pulse {
            display: inline-block;
            background: var(--neon-red);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 10px;
            animation: pulse-badge 2s ease-in-out infinite;
            white-space: nowrap;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(212, 42, 42, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(212, 42, 42, 0);
            }
        }
        .btn-nav-cta {
            background: var(--gold);
            color: #0B0A0E !important;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            border: none;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            cursor: pointer;
        }
        .btn-nav-cta:hover {
            background: var(--gold-light);
            box-shadow: var(--shadow-gold);
            transform: translateY(-1px);
        }
        .btn-nav-cta:active {
            transform: scale(0.96);
        }
        .navbar-toggler {
            border: 1px solid var(--border-subtle) !important;
            background: transparent;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
        }
        .navbar-toggler-icon {
            filter: invert(0.8);
        }
        @media (max-width: 991px) {
            .navbar-nav {
                margin-left: 0;
                gap: 0;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 0;
                background: rgba(11, 10, 14, 0.98);
                border-radius: var(--radius-md);
                margin-top: 8px;
            }
            .nav-status {
                margin-left: 0;
                margin-top: 8px;
                flex-wrap: wrap;
                gap: 8px;
            }
            .navbar-collapse {
                background: rgba(11, 10, 14, 0.97);
                border-radius: var(--radius-md);
                padding: 8px 16px;
                margin-top: 6px;
            }
        }
        @media (max-width: 520px) {
            .navbar-brand {
                font-size: 0.95rem;
            }
            .navbar-brand .brand-icon {
                width: 26px;
                height: 26px;
                font-size: 0.7rem;
            }
            .nav-status .status-text {
                display: none;
            }
            .btn-nav-cta {
                font-size: 0.75rem;
                padding: 6px 12px;
            }
        }

        /* ========== HERO - 秒杀闪购条+指标看板 ========== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: 90px;
            padding-bottom: 60px;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 10, 14, 0.82) 0%, rgba(11, 10, 14, 0.9) 40%, rgba(11, 10, 14, 0.95) 100%);
            z-index: 1;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background:
                linear-gradient(rgba(200, 169, 110, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(200, 169, 110, 0.04) 1px, transparent 1px);
            background-size: 30px 30px;
            z-index: 2;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            width: 100%;
        }
        .flash-deal-bar {
            background: rgba(212, 42, 42, 0.15);
            border: 1px solid rgba(212, 42, 42, 0.4);
            border-radius: var(--radius-md);
            padding: 14px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
            backdrop-filter: blur(4px);
        }
        .flash-deal-bar .flash-label {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--neon-red);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .flash-deal-bar .flash-label i {
            animation: flash-icon 0.8s ease-in-out infinite;
        }
        @keyframes flash-icon {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }
        .flash-deal-bar .countdown {
            display: flex;
            gap: 6px;
            align-items: center;
            font-family: var(--font-mono);
            font-weight: 700;
            color: #fff;
            font-size: 1.3rem;
        }
        .countdown-unit {
            background: #1A1A1F;
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 5px 10px;
            min-width: 44px;
            text-align: center;
            color: var(--gold);
            font-size: 1.2rem;
        }
        .countdown-sep {
            color: var(--silver-dim);
            font-size: 1rem;
        }
        .flash-deal-bar .flash-sub {
            color: var(--silver);
            font-size: 0.85rem;
            margin-left: auto;
            white-space: nowrap;
        }
        .hero-main-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .hero-text h1 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 2.2rem;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .hero-text h1 .highlight {
            color: var(--gold);
            position: relative;
        }
        .hero-text .hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 20px;
            max-width: 520px;
        }
        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            background: var(--gold);
            color: #0B0A0E;
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            letter-spacing: 0.5px;
        }
        .btn-hero-primary:hover {
            background: var(--gold-light);
            box-shadow: var(--shadow-gold-lg);
            transform: translateY(-2px);
        }
        .btn-hero-outline {
            background: transparent;
            color: var(--gold);
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--gold);
            cursor: pointer;
            transition: all var(--transition-smooth);
            letter-spacing: 0.5px;
        }
        .btn-hero-outline:hover {
            background: rgba(200, 169, 110, 0.1);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }
        .hero-dashboard {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .dashboard-card {
            background: rgba(26, 26, 31, 0.85);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px;
            backdrop-filter: blur(6px);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .dashboard-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(200, 169, 110, 0.06), transparent);
            transition: left 0.6s ease;
        }
        .dashboard-card:hover::after {
            left: 100%;
        }
        .dashboard-card:hover {
            border-color: var(--gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }
        .dashboard-card .metric-value {
            font-family: var(--font-mono);
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
            margin-bottom: 4px;
        }
        .dashboard-card .metric-value .metric-suffix {
            font-size: 1rem;
            color: var(--gold);
            font-weight: 600;
        }
        .dashboard-card .metric-label {
            font-size: 0.78rem;
            color: var(--silver-dim);
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .dashboard-card .metric-label .trend-up {
            color: #2ECC71;
            font-size: 0.7rem;
        }
        .dashboard-card .metric-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--neon-red);
            display: inline-block;
            box-shadow: 0 0 6px var(--neon-red-glow);
        }
        @media (max-width: 991px) {
            .hero-main-row {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-text h1 {
                font-size: 1.7rem;
            }
            .hero-dashboard {
                grid-template-columns: 1fr 1fr;
            }
            .flash-deal-bar {
                padding: 10px 16px;
                gap: 10px;
            }
            .countdown-unit {
                font-size: 1rem;
                padding: 4px 8px;
                min-width: 36px;
            }
        }
        @media (max-width: 520px) {
            .hero-section {
                min-height: auto;
                padding-top: 80px;
                padding-bottom: 40px;
            }
            .hero-text h1 {
                font-size: 1.35rem;
            }
            .hero-dashboard {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .dashboard-card {
                padding: 14px;
            }
            .dashboard-card .metric-value {
                font-size: 1.6rem;
            }
            .flash-deal-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .flash-deal-bar .flash-sub {
                margin-left: 0;
            }
        }

        /* ========== SECTION COMMON ========== */
        section {
            padding: var(--section-pad) 0;
            position: relative;
        }
        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--gold);
            margin-bottom: 10px;
            border-left: 3px solid var(--neon-red);
            padding-left: 10px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.8rem;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 640px;
            margin-bottom: 28px;
        }
        @media (max-width: 768px) {
            section {
                padding: var(--section-pad-mobile) 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
        }

        /* ========== SELLING POINTS - 卖点三连 ========== */
        .selling-points-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }
        .sp-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .sp-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--gold), var(--neon-red));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-smooth);
        }
        .sp-card:hover::before {
            transform: scaleX(1);
        }
        .sp-card:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }
        .sp-card .sp-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(200, 169, 110, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--gold);
            margin-bottom: 16px;
            border: 1px solid rgba(200, 169, 110, 0.2);
        }
        .sp-card h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 8px;
        }
        .sp-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        @media (max-width: 768px) {
            .selling-points-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .selling-points-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== SCENE DEMO - 场景演示 ========== */
        .scene-steps {
            display: flex;
            gap: 0;
            counter-reset: step;
            position: relative;
        }
        .scene-steps::before {
            content: '';
            position: absolute;
            top: 36px;
            left: 40px;
            right: 40px;
            height: 1px;
            background: var(--border-subtle);
            z-index: 0;
        }
        .scene-step {
            flex: 1;
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 16px;
        }
        .scene-step .step-num {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid var(--border-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--gold);
            margin: 0 auto 16px;
            transition: all var(--transition-smooth);
            position: relative;
        }
        .scene-step:hover .step-num {
            border-color: var(--gold);
            box-shadow: var(--shadow-gold);
            background: #1F1F25;
        }
        .scene-step h4 {
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            margin-bottom: 6px;
        }
        .scene-step p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .scene-steps {
                flex-direction: column;
                gap: 20px;
            }
            .scene-steps::before {
                display: none;
            }
            .scene-step {
                text-align: left;
                display: flex;
                align-items: flex-start;
                gap: 16px;
            }
            .scene-step .step-num {
                margin: 0;
                flex-shrink: 0;
                width: 52px;
                height: 52px;
                font-size: 1.1rem;
            }
        }

        /* ========== SERVICE MATRIX - 服务矩阵 ========== */
        .filter-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .filter-tag {
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid var(--border-subtle);
            background: transparent;
            color: var(--text-secondary);
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-tag:hover,
        .filter-tag.active {
            background: rgba(200, 169, 110, 0.12);
            border-color: var(--gold);
            color: var(--gold);
        }
        .service-matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }
        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--card-pad);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            cursor: pointer;
        }
        .service-card .card-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--neon-red);
            color: #fff;
            font-size: 0.68rem;
            font-weight: 700;
            padding: 3px 9px;
            border-radius: 3px;
            letter-spacing: 1px;
            z-index: 2;
            box-shadow: 0 0 10px var(--neon-red-glow);
        }
        .service-card .card-badge.badge-new {
            background: #2ECC71;
            box-shadow: 0 0 10px rgba(46, 204, 113, 0.5);
        }
        .service-card::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(45deg, transparent 40%, rgba(200, 169, 110, 0.04) 50%, transparent 60%);
            transform: rotate(25deg);
            transition: all 0.6s ease;
            pointer-events: none;
        }
        .service-card:hover::after {
            left: 50%;
            top: 50%;
        }
        .service-card:hover {
            border-color: var(--gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
            background: var(--bg-card-hover);
        }
        .service-card .card-img-wrap {
            width: 100%;
            height: 180px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 16px;
            background: #111115;
            position: relative;
        }
        .service-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .service-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .service-card h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--gold);
            margin-bottom: 6px;
        }
        .service-card .card-params {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--silver-dim);
            margin-bottom: 8px;
        }
        .service-card .card-params span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .service-card .card-params i {
            color: var(--gold);
            font-size: 0.7rem;
        }
        .service-card .card-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        @media (max-width: 991px) {
            .service-matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .service-matrix-grid {
                grid-template-columns: 1fr;
            }
            .service-card .card-img-wrap {
                height: 150px;
            }
        }

        /* ========== COMPARISON - 结果对比 ========== */
        .comparison-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }
        .comparison-table thead th {
            background: var(--bg-card);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 16px 20px;
            text-align: left;
            border-bottom: 2px solid var(--border-subtle);
            white-space: nowrap;
        }
        .comparison-table thead th.highlight-col {
            color: var(--gold);
            border-bottom-color: var(--gold);
        }
        .comparison-table tbody td {
            padding: 14px 20px;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: background var(--transition-fast);
        }
        .comparison-table tbody tr:hover td {
            background: rgba(200, 169, 110, 0.04);
        }
        .comparison-table tbody td.highlight-col {
            color: var(--gold);
            font-weight: 600;
        }
        .comparison-table .icon-check {
            color: #2ECC71;
            font-size: 1rem;
        }
        .comparison-table .icon-cross {
            color: var(--neon-red);
            font-size: 1rem;
        }
        .comparison-table .data-bar {
            display: inline-block;
            height: 6px;
            border-radius: 3px;
            background: var(--gold);
            margin-right: 8px;
            vertical-align: middle;
        }
        .comparison-table .data-bar.bar-short {
            width: 30px;
            background: var(--silver-dim);
        }
        .comparison-table .data-bar.bar-long {
            width: 80px;
        }
        @media (max-width: 768px) {
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }
        }

        /* ========== ENTRY MATRIX - 入口矩阵 ========== */
        .entry-matrix-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .entry-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            text-align: center;
            transition: all var(--transition-smooth);
            cursor: pointer;
            text-decoration: none;
            color: inherit;
            display: block;
        }
        .entry-item:hover {
            border-color: var(--gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
            color: inherit;
            text-decoration: none;
        }
        .entry-item .entry-icon {
            font-size: 1.8rem;
            color: var(--gold);
            margin-bottom: 10px;
        }
        .entry-item .entry-label {
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 4px;
        }
        .entry-item .entry-sub {
            font-size: 0.75rem;
            color: var(--silver-dim);
        }
        @media (max-width: 768px) {
            .entry-matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 400px) {
            .entry-matrix-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .entry-item {
                padding: 16px 12px;
            }
        }

        /* ========== SOCIAL PROOF - 社会认同 ========== */
        .proof-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }
        .proof-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition-smooth);
        }
        .proof-card:hover {
            border-color: var(--border-active);
            box-shadow: var(--shadow-card);
        }
        .proof-card .proof-stars {
            color: var(--gold);
            font-size: 0.85rem;
            margin-bottom: 8px;
            letter-spacing: 2px;
        }
        .proof-card .proof-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            font-style: italic;
        }
        .proof-card .proof-author {
            font-size: 0.8rem;
            color: var(--silver-dim);
            font-weight: 600;
        }
        .proof-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border-subtle);
        }
        .proof-stat {
            text-align: center;
            flex: 1;
            min-width: 100px;
        }
        .proof-stat .stat-num {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1;
        }
        .proof-stat .stat-label {
            font-size: 0.78rem;
            color: var(--silver-dim);
            margin-top: 4px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        @media (max-width: 768px) {
            .proof-grid {
                grid-template-columns: 1fr 1fr;
            }
            .proof-stats-row {
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .proof-grid {
                grid-template-columns: 1fr;
            }
            .proof-stats-row {
                flex-wrap: wrap;
                gap: 12px;
            }
            .proof-stat {
                min-width: 70px;
                flex: 0 0 auto;
            }
            .proof-stat .stat-num {
                font-size: 1.5rem;
            }
        }

        /* ========== NEWS - 资讯 ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            align-items: start;
        }
        .news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .news-list li {
            border-bottom: 1px solid var(--border-subtle);
            padding: 14px 0;
            transition: all var(--transition-fast);
        }
        .news-list li:hover {
            padding-left: 8px;
            border-bottom-color: var(--gold);
        }
        .news-list li a {
            display: flex;
            justify-content: space-between;
            align-items: baseline;
            gap: 12px;
            color: var(--text-primary);
            font-size: 0.95rem;
            font-weight: 500;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .news-list li a:hover {
            color: var(--gold);
        }
        .news-list .news-date {
            font-size: 0.75rem;
            color: var(--silver-dim);
            white-space: nowrap;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }
        .news-sidebar {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px;
        }
        .news-sidebar h4 {
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-subtle);
        }
        .news-sidebar .hot-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .news-sidebar .hot-tag {
            padding: 5px 12px;
            border-radius: 14px;
            background: rgba(200, 169, 110, 0.08);
            color: var(--gold);
            font-size: 0.78rem;
            text-decoration: none;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .news-sidebar .hot-tag:hover {
            border-color: var(--gold);
            background: rgba(200, 169, 110, 0.16);
            color: var(--gold-light);
            text-decoration: none;
        }
        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                order: -1;
            }
        }

        /* ========== FAQ ========== */
        .faq-list .accordion-item {
            background: transparent;
            border: none;
            margin-bottom: 10px;
        }
        .faq-list .accordion-button {
            background: var(--bg-card);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 16px 20px;
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm) !important;
            transition: all var(--transition-smooth);
            box-shadow: none;
            position: relative;
            cursor: pointer;
        }
        .faq-list .accordion-button::after {
            filter: invert(0.7);
        }
        .faq-list .accordion-button:not(.collapsed) {
            background: #1F1F25;
            border-color: var(--gold);
            box-shadow: 0 0 12px rgba(200, 169, 110, 0.2);
            color: var(--gold);
        }
        .faq-list .accordion-button:focus {
            box-shadow: 0 0 0 2px rgba(200, 169, 110, 0.3);
            border-color: var(--gold);
        }
        .faq-list .accordion-body {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-top: none;
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.75;
            padding: 16px 20px;
        }
        .faq-list .accordion-collapse {
            border: none;
        }
        .faq-num {
            display: inline-block;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: rgba(200, 169, 110, 0.15);
            color: var(--gold);
            font-size: 0.75rem;
            font-weight: 700;
            text-align: center;
            line-height: 26px;
            margin-right: 10px;
            flex-shrink: 0;
        }

        /* ========== CTA FORM ========== */
        .cta-form-section {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 40px;
            position: relative;
            overflow: hidden;
        }
        .cta-form-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 169, 110, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .cta-form-left h2 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.5rem;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-form-left p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .trust-icons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .trust-icon-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            color: var(--silver-dim);
        }
        .trust-icon-item i {
            color: var(--gold);
            font-size: 1rem;
        }
        .cta-form-right .form-group {
            margin-bottom: 14px;
        }
        .cta-form-right input,
        .cta-form-right select {
            width: 100%;
            background: #0B0A0E;
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: #fff;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }
        .cta-form-right input::placeholder {
            color: var(--silver-dim);
        }
        .cta-form-right input:focus,
        .cta-form-right select:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(200, 169, 110, 0.1);
            outline: none;
            background: #111115;
        }
        .cta-form-right select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23C8A96E' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
            cursor: pointer;
        }
        .btn-submit-cta {
            width: 100%;
            background: var(--gold);
            color: #0B0A0E;
            font-weight: 700;
            font-size: 1rem;
            padding: 13px 24px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            letter-spacing: 0.5px;
            position: relative;
            overflow: hidden;
        }
        .btn-submit-cta:hover {
            background: var(--gold-light);
            box-shadow: var(--shadow-gold-lg);
            transform: translateY(-1px);
        }
        .btn-submit-cta:active {
            transform: scale(0.97);
        }
        .btn-submit-cta::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            transform: translate(-50%, -50%);
            transition: all 0.5s ease;
        }
        .btn-submit-cta:active::after {
            width: 300px;
            height: 300px;
        }
        @media (max-width: 768px) {
            .cta-form-row {
                grid-template-columns: 1fr;
            }
            .cta-form-section {
                padding: 24px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #08070A;
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--gold);
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: var(--silver-dim);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-links h5 {
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
            margin-bottom: 12px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links ul li {
            margin-bottom: 6px;
        }
        .footer-links ul li a {
            color: var(--silver-dim);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .footer-links ul li a:hover {
            color: var(--gold);
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(42, 42, 47, 0.5);
            padding-top: 20px;
            text-align: center;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== UTILITY ========== */
        .text-gold {
            color: var(--gold) !important;
        }
        .text-neon {
            color: var(--neon-red) !important;
        }
        .bg-card {
            background: var(--bg-card);
        }
        .divider-gold {
            width: 50px;
            height: 3px;
            background: var(--gold);
            border-radius: 2px;
            margin: 16px 0;
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }