/* roulang page: index */
:root {
            --primary: #0A6CFF;
            --primary-dark: #0056CC;
            --accent: #FF6A00;
            --accent-dark: #E05A00;
            --cyan: #00C2FF;
            --bg-page: #F5F8FC;
            --bg-card: #FFFFFF;
            --text-main: #0F172A;
            --text-secondary: #5B6778;
            --border: #DCE5F0;
            --divider: #E8EEF6;
            --border-hover: #B8D4FF;
            --radius-lg: 18px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 8px 30px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 12px 36px rgba(10, 108, 255, 0.16);
            --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.1);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-num: 'Inter', 'Roboto', 'Oswald', 'SF Mono', 'Monaco', 'Consolas', monospace;
            --section-space: 88px;
            --section-space-mobile: 52px;
            --gutter-x: 28px;
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-page);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.75;
            overflow-x: hidden;
        }

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

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            padding-left: var(--gutter-x);
            padding-right: var(--gutter-x);
        }

        /* ===== 顶部活动状态条 ===== */
        .top-status-bar {
            background: linear-gradient(90deg, #0A6CFF 0%, #0056CC 55%, #0A6CFF 100%);
            color: #fff;
            font-size: 13px;
            padding: 10px 0;
            position: relative;
            z-index: 1050;
            overflow: hidden;
        }

        .top-status-bar::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 300px;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
            animation: shimmerBar 3.2s infinite;
        }

        @keyframes shimmerBar {
            0% {
                transform: translateX(-320px);
            }
            100% {
                transform: translateX(1200px);
            }
        }

        .top-status-bar .status-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .top-status-bar .status-countdown {
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 14px;
            background: rgba(255, 255, 255, 0.2);
            padding: 4px 14px;
            border-radius: 50px;
            letter-spacing: 0.5px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .top-status-bar .status-countdown i {
            font-size: 12px;
            color: #FFD166;
        }

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(255, 255, 255, 0.18);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .status-badge.hot {
            background: var(--accent);
            color: #fff;
        }

        .status-badge.cyan {
            background: var(--cyan);
            color: #004466;
        }

        /* ===== 导航 ===== */
        .site-header {
            background: #ffffff;
            border-bottom: 1px solid var(--divider);
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
            transition: var(--transition);
        }

        .site-header .navbar {
            padding: 14px 0;
            background: transparent;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: var(--text-main);
            letter-spacing: -0.3px;
        }

        .navbar-brand:hover {
            color: var(--primary);
        }

        .navbar-brand .brand-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 900;
            letter-spacing: -1px;
        }

        .navbar-brand .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .navbar-brand .brand-text .brand-name {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
        }

        .navbar-brand .brand-text .brand-sub {
            font-size: 11px;
            color: var(--text-secondary);
            font-weight: 500;
            letter-spacing: 0.5px;
        }

        .navbar-nav {
            gap: 4px;
        }

        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 15px;
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: var(--transition);
            position: relative;
        }

        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(10, 108, 255, 0.06);
        }

        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: rgba(10, 108, 255, 0.1);
            font-weight: 700;
        }

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-nav-cta {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.3px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(10, 108, 255, 0.3);
        }

        .btn-nav-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 14px;
            transition: var(--transition);
        }

        .btn-nav-outline:hover {
            background: rgba(10, 108, 255, 0.08);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-1px);
        }

        .navbar-toggler {
            border: none;
            background: transparent;
            font-size: 24px;
            color: var(--text-main);
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 8px;
        }

        .navbar-toggler .fa-bars {
            font-size: 22px;
            color: var(--text-main);
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: #fff;
                border-radius: 14px;
                margin-top: 12px;
                padding: 16px 20px;
                box-shadow: var(--shadow-card);
                border: 1px solid var(--divider);
            }
            .navbar-nav .nav-link {
                padding: 12px 16px !important;
                font-size: 16px;
            }
            .nav-cta-group {
                margin-top: 12px;
                padding-top: 12px;
                border-top: 1px solid var(--divider);
                flex-direction: column;
                width: 100%;
                gap: 8px;
            }
            .nav-cta-group .btn-nav-cta,
            .nav-cta-group .btn-nav-outline {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 78vh;
            display: flex;
            align-items: center;
            padding: 70px 0 80px;
            background-color: #F0F6FF;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background:
                linear-gradient(135deg, rgba(245, 248, 252, 0.92) 0%, rgba(245, 248, 252, 0.65) 40%, rgba(240, 246, 255, 0.85) 100%);
            z-index: 0;
        }

        .hero-grid-overlay {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(10, 108, 255, 0.06) 1px, transparent 1px),
                linear-gradient(90deg, rgba(10, 108, 255, 0.06) 1px, transparent 1px);
            background-size: 44px 44px;
            z-index: 0;
            mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.5), transparent 70%);
            -webkit-mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.5), transparent 70%);
        }

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

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 22px;
            box-shadow: 0 2px 10px rgba(10, 108, 255, 0.1);
            letter-spacing: 0.3px;
        }

        .hero-tag .live-dot {
            width: 8px;
            height: 8px;
            background: #00C853;
            border-radius: 50%;
            animation: pulseDot 1.6s infinite;
        }

        @keyframes pulseDot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(0, 200, 83, 0.5);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(0, 200, 83, 0);
            }
        }

        .hero-title {
            font-size: clamp(32px, 5vw, 48px);
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-main);
            letter-spacing: -0.5px;
            margin-bottom: 20px;
        }

        .hero-title .hero-title-highlight {
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 560px;
            margin-bottom: 28px;
            letter-spacing: 0.2px;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .btn-hero-primary {
            background: var(--primary);
            color: #fff;
            padding: 14px 32px;
            border-radius: 12px;
            font-weight: 700;
            font-size: 16px;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 8px 24px rgba(10, 108, 255, 0.3);
        }

        .btn-hero-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(10, 108, 255, 0.4);
        }

        .btn-hero-accent {
            background: var(--accent);
            color: #fff;
            padding: 14px 32px;
            border-radius: 12px;
            font-weight: 700;
            font-size: 16px;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 8px 24px rgba(255, 106, 0, 0.3);
        }

        .btn-hero-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(255, 106, 0, 0.4);
        }

        .hero-sellpoints {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .hero-sellpoints li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 600;
        }

        .hero-sellpoints li i {
            color: var(--primary);
            font-size: 16px;
        }

        .hero-visual-panel {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 380px;
            flex-direction: column;
            gap: 20px;
        }

        .hero-data-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            width: 100%;
            max-width: 480px;
            transition: var(--transition);
        }

        .hero-data-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }

        .hero-data-card .match-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--divider);
        }

        .hero-data-card .match-row:last-child {
            border-bottom: none;
        }

        .hero-data-card .match-team {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 14px;
        }

        .hero-data-card .match-team .team-flag {
            width: 28px;
            height: 28px;
            background: linear-gradient(135deg, #E8EEF6, #DCE5F0);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .hero-data-card .match-score {
            font-family: var(--font-num);
            font-weight: 800;
            font-size: 18px;
            color: var(--primary);
            letter-spacing: 1px;
        }

        .hero-data-card .match-status {
            font-size: 12px;
            padding: 3px 12px;
            border-radius: 50px;
            font-weight: 700;
            letter-spacing: 0.3px;
        }

        .match-status.live-now {
            background: #FFF0E6;
            color: var(--accent);
        }

        .match-status.upcoming {
            background: #E8F4FF;
            color: var(--primary);
        }

        .match-status.finished {
            background: #F0F2F5;
            color: var(--text-secondary);
        }

        .hero-float-badge {
            position: absolute;
            background: #fff;
            border-radius: 14px;
            box-shadow: var(--shadow-card);
            padding: 14px 20px;
            border: 1px solid var(--border);
            font-size: 13px;
            font-weight: 700;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            animation: floatY 3s ease-in-out infinite;
        }

        .hero-float-badge.top-right {
            top: 12%;
            right: 4%;
            animation-delay: 0.5s;
        }

        .hero-float-badge.bottom-left {
            bottom: 12%;
            left: 2%;
            animation-delay: 1s;
        }

        .hero-float-badge i {
            color: var(--primary);
            font-size: 18px;
        }

        @keyframes floatY {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }

        @media (max-width: 991.98px) {
            .hero-section {
                min-height: auto;
                padding: 50px 0 60px;
            }
            .hero-visual-panel {
                min-height: auto;
                margin-top: 30px;
            }
            .hero-float-badge {
                display: none;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
        }

        /* ===== 通用板块样式 ===== */
        .section-block {
            padding: var(--section-space) 0;
            position: relative;
        }

        .section-block.bg-white {
            background: #ffffff;
        }

        .section-block.bg-light {
            background: var(--bg-page);
        }

        .section-header {
            margin-bottom: 48px;
            text-align: center;
            max-width: 720px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-tag {
            display: inline-block;
            background: rgba(10, 108, 255, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 50px;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
            border: 1px solid rgba(10, 108, 255, 0.18);
        }

        .section-title {
            font-size: clamp(24px, 3.5vw, 32px);
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.3px;
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 640px;
            margin: 0 auto;
        }

        /* ===== 功能分组 ===== */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            margin-bottom: 70px;
        }

        .feature-row:last-child {
            margin-bottom: 0;
        }

        .feature-row.reverse {
            direction: rtl;
        }

        .feature-row.reverse>* {
            direction: ltr;
        }

        .feature-text h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: -0.2px;
        }

        .feature-text p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.85;
            margin-bottom: 18px;
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .feature-list li i {
            color: var(--primary);
            font-size: 16px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .feature-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: var(--transition);
            background: #fff;
        }

        .feature-image-wrap:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
            transform: translateY(-4px);
        }

        .feature-image-wrap img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        @media (max-width: 991.98px) {
            .feature-row {
                grid-template-columns: 1fr;
                gap: 28px;
                margin-bottom: 50px;
            }
            .feature-row.reverse {
                direction: ltr;
            }
            .feature-image-wrap img {
                height: 220px;
            }
        }

        /* ===== 使用场景 ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .scenario-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .scenario-card .scenario-img {
            height: 180px;
            overflow: hidden;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }

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

        .scenario-card:hover .scenario-img img {
            transform: scale(1.05);
        }

        .scenario-card .scenario-body {
            padding: 24px 26px;
            flex: 1;
        }

        .scenario-card .scenario-body h4 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .scenario-card .scenario-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        @media (max-width: 767.98px) {
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .scenario-card .scenario-img {
                height: 160px;
            }
        }

        /* ===== 成功案例 ===== */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 44px;
        }

        .stat-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
            transform: translateY(-3px);
        }

        .stat-item .stat-number {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

        .stat-item .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 600;
            margin-top: 6px;
        }

        .case-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .case-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .case-card .case-img {
            height: 200px;
            overflow: hidden;
        }

        .case-card .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-card .case-body {
            padding: 26px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .case-card .case-badge {
            display: inline-block;
            background: rgba(255, 106, 0, 0.1);
            color: var(--accent);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .case-card h4 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .case-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
            flex: 1;
        }

        .case-metrics {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            border-top: 1px solid var(--divider);
            padding-top: 16px;
        }

        .case-metrics span {
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            font-family: var(--font-num);
        }

        @media (max-width: 991.98px) {
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .case-cards {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 575.98px) {
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-item .stat-number {
                font-size: 24px;
            }
        }

        /* ===== 价格 ===== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
            align-items: stretch;
        }

        .pricing-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1.5px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 34px 30px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }

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

        .pricing-card.featured {
            border-color: var(--primary);
            box-shadow: 0 16px 48px rgba(10, 108, 255, 0.18);
            background: linear-gradient(180deg, #FAFCFF 0%, #FFFFFF 100%);
        }

        .pricing-card .popular-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 18px;
            border-radius: 50px;
            letter-spacing: 0.4px;
            box-shadow: 0 6px 18px rgba(255, 106, 0, 0.35);
            white-space: nowrap;
        }

        .pricing-card .plan-name {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 6px;
        }

        .pricing-card .plan-desc {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .pricing-card .plan-price {
            font-family: var(--font-num);
            font-size: 42px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -1px;
            margin-bottom: 4px;
        }

        .pricing-card .plan-price .currency {
            font-size: 20px;
            font-weight: 700;
            vertical-align: top;
            margin-right: 2px;
        }

        .pricing-card .plan-period {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 22px;
        }

        .pricing-card .plan-features {
            list-style: none;
            padding: 0;
            margin: 0 0 26px;
            flex: 1;
        }

        .pricing-card .plan-features li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 7px 0;
            line-height: 1.6;
        }

        .pricing-card .plan-features li i {
            color: var(--primary);
            font-size: 14px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .pricing-card .btn-plan {
            width: 100%;
            padding: 13px 20px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            border: none;
            transition: var(--transition);
            text-align: center;
        }

        .pricing-card .btn-plan-primary {
            background: var(--primary);
            color: #fff;
        }

        .pricing-card .btn-plan-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(10, 108, 255, 0.35);
        }

        .pricing-card .btn-plan-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }

        .pricing-card .btn-plan-outline:hover {
            background: rgba(10, 108, 255, 0.08);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .pricing-card .btn-plan-accent {
            background: var(--accent);
            color: #fff;
        }

        .pricing-card .btn-plan-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(255, 106, 0, 0.35);
        }

        @media (max-width: 991.98px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                gap: 22px;
                max-width: 480px;
                margin: 0 auto;
            }
        }

        /* ===== 品牌介绍 ===== */
        .brand-about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .brand-about-text h3 {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 18px;
        }

        .brand-about-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .brand-about-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            width: 100%;
            height: 340px;
            object-fit: cover;
        }

        @media (max-width: 991.98px) {
            .brand-about-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .brand-about-visual img {
                height: 240px;
            }
        }

        /* ===== 新闻中心 ===== */
        .news-timeline {
            position: relative;
            padding-left: 0;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .news-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 22px 26px;
            display: flex;
            align-items: flex-start;
            gap: 24px;
            transition: var(--transition);
        }

        .news-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
            transform: translateY(-2px);
        }

        .news-item .news-date {
            font-family: var(--font-num);
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            background: rgba(10, 108, 255, 0.08);
            padding: 8px 14px;
            border-radius: 8px;
            white-space: nowrap;
            flex-shrink: 0;
            min-width: 100px;
            text-align: center;
        }

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

        .news-item .news-content h5 {
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .news-item .news-content h5 a {
            color: var(--text-main);
        }

        .news-item .news-content h5 a:hover {
            color: var(--primary);
        }

        .news-item .news-content p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 10px;
        }

        .news-item .btn-read-more {
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: var(--transition);
        }

        .news-item .btn-read-more:hover {
            color: var(--primary-dark);
            gap: 9px;
        }

        @media (max-width: 767.98px) {
            .news-item {
                flex-direction: column;
                gap: 12px;
                padding: 18px 20px;
            }
            .news-item .news-date {
                min-width: auto;
                display: inline-block;
                align-self: flex-start;
            }
        }

        /* ===== 深度内容区 ===== */
        .deep-content {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 40px 44px;
            margin-bottom: 28px;
            transition: var(--transition);
        }

        .deep-content:last-child {
            margin-bottom: 0;
        }

        .deep-content:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
        }

        .deep-content h3 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .deep-content h3 .deep-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 800;
            font-family: var(--font-num);
            flex-shrink: 0;
        }

        .deep-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .deep-content .deep-points {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-top: 16px;
        }

        .deep-content .deep-points .point-item {
            background: var(--bg-page);
            border-radius: 10px;
            padding: 14px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            border-left: 3px solid var(--primary);
            transition: var(--transition);
        }

        .deep-content .deep-points .point-item:hover {
            background: rgba(10, 108, 255, 0.05);
            border-left-color: var(--cyan);
        }

        @media (max-width: 767.98px) {
            .deep-content {
                padding: 26px 22px;
            }
            .deep-content .deep-points {
                grid-template-columns: 1fr;
            }
        }

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

        .accordion {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            background: #fff;
            transition: var(--transition);
        }

        .accordion-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
        }

        .accordion-button {
            background: #fff;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            padding: 20px 24px;
            border: none;
            box-shadow: none;
            transition: var(--transition);
            border-radius: var(--radius-md) !important;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(10, 108, 255, 0.05);
            color: var(--primary);
            box-shadow: none;
            border-bottom: 1px solid var(--divider);
            border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
        }

        .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .accordion-button::after {
            filter: grayscale(1) brightness(0.5);
        }

        .accordion-body {
            padding: 18px 24px 22px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.85;
            background: #fff;
        }

        /* ===== CTA 表单 ===== */
        .cta-section {
            background: linear-gradient(135deg, #F0F6FF 0%, #E8F4FF 50%, #F5F8FC 100%);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            position: relative;
        }

        .cta-section .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            padding: 50px 50px;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-text h3 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-section .cta-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .cta-benefits {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .cta-benefits li i {
            color: var(--primary);
        }

        .cta-form {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 30px 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
        }

        .cta-form .form-label {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-main);
        }

        .cta-form .form-control,
        .cta-form .form-select {
            border: 1.5px solid var(--border);
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 14px;
            color: var(--text-main);
            transition: var(--transition);
            background: #fff;
        }

        .cta-form .form-control:focus,
        .cta-form .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(10, 108, 255, 0.12);
            outline: none;
        }

        .cta-form .btn-submit {
            width: 100%;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 13px 20px;
            border-radius: 10px;
            font-weight: 700;
            font-size: 15px;
            transition: var(--transition);
        }

        .cta-form .btn-submit:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(10, 108, 255, 0.35);
        }

        @media (max-width: 991.98px) {
            .cta-section .cta-grid {
                grid-template-columns: 1fr;
                gap: 30px;
                padding: 30px 24px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0F172A;
            color: #B8C4D4;
            padding: 56px 0 28px;
            margin-top: 60px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 900;
        }

        .site-footer p {
            font-size: 13px;
            color: #8A9BB0;
            line-height: 1.8;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin: 16px 0;
        }

        .footer-links a {
            color: #B8C4D4;
            font-size: 13px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 22px;
            margin-top: 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: #8A9BB0;
        }

        .footer-bottom .footer-icp {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        /* ===== 响应式通用 ===== */
        @media (max-width: 767.98px) {
            :root {
                --section-space: 52px;
                --section-space-mobile: 40px;
                --gutter-x: 18px;
            }
            .section-block {
                padding: var(--section-space-mobile) 0;
            }
            .section-header {
                margin-bottom: 30px;
            }
            .section-title {
                font-size: 24px;
            }
            .section-desc {
                font-size: 14px;
            }
            .hero-section {
                padding: 40px 0 50px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .btn-hero-primary,
            .btn-hero-accent {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 575.98px) {
            .hero-title {
                font-size: 26px;
            }
            .feature-image-wrap img {
                height: 180px;
            }
            .scenario-card .scenario-img {
                height: 140px;
            }
            .case-card .case-img {
                height: 160px;
            }
            .brand-about-visual img {
                height: 200px;
            }
            .hero-data-card {
                padding: 20px 16px;
            }
            .hero-data-card .match-team {
                font-size: 12px;
            }
            .hero-data-card .match-score {
                font-size: 15px;
            }
        }

        /* ===== 其它组件 ===== */
        .text-accent {
            color: var(--accent);
        }
        .text-primary-brand {
            color: var(--primary);
        }
        .fw-800 {
            font-weight: 800;
        }
        .divider-light {
            border-top: 1px solid var(--divider);
            margin: 32px 0;
        }

/* roulang page: category2 */
:root {
            --primary: #0A6CFF;
            --primary-dark: #0056CC;
            --accent: #FF6A00;
            --accent-dark: #E05A00;
            --cyan: #00C2FF;
            --bg-page: #F5F8FC;
            --bg-card: #FFFFFF;
            --text-main: #0F172A;
            --text-secondary: #5B6778;
            --border: #DCE5F0;
            --divider: #E8EEF6;
            --border-hover: #B8D4FF;
            --radius-lg: 18px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 8px 30px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 12px 36px rgba(10, 108, 255, 0.16);
            --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.1);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-num: 'Inter', 'Roboto', 'Oswald', 'SF Mono', 'Monaco', 'Consolas', monospace;
            --section-space: 88px;
            --section-space-mobile: 52px;
            --gutter-x: 28px;
        }

        @media (max-width: 767.98px) {
            :root {
                --section-space: 52px;
                --section-space-mobile: 40px;
                --gutter-x: 18px;
            }
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-page);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.75;
            overflow-x: hidden;
            margin: 0;
        }

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

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            padding-left: var(--gutter-x);
            padding-right: var(--gutter-x);
        }

        /* ===== 导航 ===== */
        .site-header {
            background: #ffffff;
            border-bottom: 1px solid var(--divider);
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
            transition: var(--transition);
        }

        .site-header .navbar {
            padding: 14px 0;
            background: transparent;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: var(--text-main);
            letter-spacing: -0.3px;
        }

        .navbar-brand:hover {
            color: var(--primary);
        }

        .navbar-brand .brand-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 900;
            letter-spacing: -1px;
            flex-shrink: 0;
        }

        .navbar-brand .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .navbar-brand .brand-text .brand-name {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
        }

        .navbar-brand .brand-text .brand-sub {
            font-size: 11px;
            color: var(--text-secondary);
            font-weight: 500;
            letter-spacing: 0.5px;
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 6px 10px;
            background: #fff;
            color: var(--text-main);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(10, 108, 255, 0.2);
            border-color: var(--primary);
        }

        .navbar-nav {
            gap: 4px;
        }

        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 15px;
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: var(--transition);
            position: relative;
        }

        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(10, 108, 255, 0.06);
        }

        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: rgba(10, 108, 255, 0.1);
            font-weight: 700;
        }

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-nav-cta {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.3px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(10, 108, 255, 0.3);
        }

        .btn-nav-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.3px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-nav-outline:hover {
            background: rgba(10, 108, 255, 0.08);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-1px);
        }

        @media (max-width: 991.98px) {
            .nav-cta-group {
                flex-direction: column;
                align-items: stretch;
                margin-top: 12px;
            }
            .btn-nav-cta,
            .btn-nav-outline {
                text-align: center;
                justify-content: center;
            }
            .navbar-collapse {
                padding: 12px 0 8px;
            }
        }

        /* ===== 通用按钮 ===== */
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0.3px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(10, 108, 255, 0.35);
        }

        .btn-secondary-custom {
            background: rgba(10, 108, 255, 0.08);
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0.3px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary-custom:hover {
            background: rgba(10, 108, 255, 0.16);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-accent-custom {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0.3px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-accent-custom:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 106, 0, 0.35);
        }

        /* ===== 标签徽章 ===== */
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(10, 108, 255, 0.08);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.3px;
            border: 1px solid rgba(10, 108, 255, 0.2);
        }

        .badge-hot {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: var(--accent);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.3px;
        }

        .badge-cyan {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: var(--cyan);
            color: #004466;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        /* ===== Hero ===== */
        .gear-hero {
            position: relative;
            padding: 80px 0 70px;
            background: linear-gradient(165deg, #ffffff 0%, #F5F8FC 55%, #EAF2FF 100%);
            border-bottom: 1px solid var(--divider);
            overflow: hidden;
        }

        .gear-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(10, 108, 255, 0.07) 0%, transparent 70%);
            pointer-events: none;
        }

        .gear-hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(0, 194, 255, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .gear-hero h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            letter-spacing: -0.5px;
            margin-bottom: 18px;
        }

        .gear-hero h1 .highlight {
            color: var(--primary);
        }

        .gear-hero .lead {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 720px;
            margin-bottom: 28px;
        }

        .gear-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            margin-top: 8px;
        }

        .hero-stat-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
        }

        .hero-stat-chip i {
            color: var(--primary);
            font-size: 15px;
        }

        /* 筛选区 */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--divider);
        }

        .filter-label {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            white-space: nowrap;
        }

        .filter-pill {
            display: inline-flex;
            align-items: center;
            padding: 7px 18px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            background: #fff;
            border: 1px solid var(--border);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .filter-pill:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(10, 108, 255, 0.04);
        }

        .filter-pill.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: var(--section-space) 0;
        }

        .section-block.alt-bg {
            background: #ffffff;
            border-top: 1px solid var(--divider);
            border-bottom: 1px solid var(--divider);
        }

        .section-heading {
            margin-bottom: 40px;
        }

        .section-heading h2 {
            font-size: 30px;
            font-weight: 800;
            letter-spacing: -0.4px;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .section-heading p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 0;
        }

        /* ===== 装备评测卡 ===== */
        .gear-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .gear-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #F0F4FA;
        }

        .gear-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .gear-card:hover .card-img-wrap img {
            transform: scale(1.045);
        }

        .gear-card .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
        }

        .gear-card .card-rating {
            position: absolute;
            top: 14px;
            right: 14px;
            background: rgba(15, 23, 42, 0.75);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            border-radius: 8px;
            padding: 4px 10px;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .gear-card .card-rating i {
            color: #FFD166;
        }

        .gear-card .card-body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .gear-card .card-category {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.3px;
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        .gear-card .card-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .gear-card .card-text {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
            flex: 1;
        }

        .gear-card .spec-row {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 16px;
        }

        .spec-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-secondary);
            background: #F5F8FC;
            border: 1px solid var(--divider);
            border-radius: 6px;
            padding: 3px 10px;
        }

        .gear-card .card-action {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }

        .gear-card .price {
            font-family: var(--font-num);
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
        }

        .gear-card .price .unit {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .btn-card-detail {
            background: rgba(10, 108, 255, 0.08);
            color: var(--primary);
            border: 1px solid rgba(10, 108, 255, 0.25);
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 700;
            transition: var(--transition);
        }

        .btn-card-detail:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-1px);
        }

        /* ===== 参数对比区 ===== */
        .compare-panel {
            background: #ffffff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .compare-panel .compare-head {
            background: #0F172A;
            color: #fff;
            padding: 18px 28px;
            font-weight: 700;
            font-size: 17px;
            letter-spacing: 0.3px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .compare-panel .compare-head i {
            color: var(--cyan);
        }

        .compare-table-wrap {
            overflow-x: auto;
            padding: 0;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 680px;
        }

        .compare-table th {
            background: #F8FAFE;
            color: var(--text-main);
            font-weight: 700;
            font-size: 14px;
            text-align: left;
            padding: 14px 20px;
            border-bottom: 2px solid var(--divider);
            white-space: nowrap;
        }

        .compare-table td {
            padding: 14px 20px;
            border-bottom: 1px solid var(--divider);
            color: var(--text-secondary);
            font-size: 15px;
        }

        .compare-table td em {
            font-style: normal;
            font-weight: 700;
            color: var(--text-main);
        }

        .compare-table td i {
            color: var(--primary);
            margin-right: 6px;
        }

        .compare-table .num {
            font-family: var(--font-num);
            font-weight: 800;
            color: var(--primary);
            font-size: 16px;
        }

        /* ===== 场景卡 ===== */
        .scene-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 26px 28px;
            height: 100%;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .scene-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }

        .scene-card .scene-icon {
            width: 52px;
            height: 52px;
            background: rgba(10, 108, 255, 0.08);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .scene-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .scene-card p {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 选购流程 ===== */
        .step-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
        }

        .step-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            font-family: var(--font-num);
        }

        .step-content h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .step-content p {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 深度评测区 ===== */
        .review-deep {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 38px 40px;
        }

        .review-deep h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 18px;
        }

        .review-deep p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .review-deep .highlight-box {
            background: #F8FAFE;
            border-left: 4px solid var(--primary);
            border-radius: 0 12px 12px 0;
            padding: 18px 22px;
            margin: 20px 0;
        }

        .review-deep .highlight-box p {
            margin-bottom: 0;
            color: var(--text-main);
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            background: #fff;
            transition: var(--transition);
        }

        .accordion-custom .accordion-item:hover {
            border-color: var(--border-hover);
            box-shadow: 0 4px 14px rgba(15, 23, 42, 0.05);
        }

        .accordion-custom .accordion-header button {
            background: #fff;
            color: var(--text-main);
            font-weight: 700;
            font-size: 16px;
            padding: 18px 22px;
            border: none;
            width: 100%;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: var(--transition);
        }

        .accordion-custom .accordion-header button:hover {
            background: #F8FAFE;
        }

        .accordion-custom .accordion-header button:not(.collapsed) {
            background: #F0F6FF;
            color: var(--primary);
        }

        .accordion-custom .accordion-header button .fa-chevron-down {
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .accordion-custom .accordion-header button:not(.collapsed) .fa-chevron-down {
            transform: rotate(180deg);
        }

        .accordion-custom .accordion-body {
            padding: 18px 22px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            border-top: 1px solid var(--divider);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(165deg, #0A6CFF 0%, #0056CC 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 194, 255, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -70px;
            left: -30px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(255, 106, 0, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .cta-section h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 800;
            letter-spacing: -0.4px;
            margin-bottom: 10px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 580px;
        }

        .cta-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .cta-form input,
        .cta-form select {
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-size: 15px;
            min-width: 180px;
            transition: var(--transition);
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .cta-form input:focus,
        .cta-form select:focus {
            outline: none;
            border-color: #fff;
            background: rgba(255, 255, 255, 0.2);
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
        }

        .cta-form select option {
            color: var(--text-main);
            background: #fff;
        }

        .cta-form .btn-accent-custom {
            background: #fff;
            color: var(--primary);
            font-weight: 800;
            padding: 12px 30px;
            border-radius: var(--radius-sm);
            border: none;
            transition: var(--transition);
        }

        .cta-form .btn-accent-custom:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0F172A;
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-footer .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer .footer-brand .brand-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 900;
        }

        .site-footer p {
            font-size: 14.5px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 360px;
        }

        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }

        .site-footer .footer-links a:hover {
            color: #fff;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 36px;
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .site-footer .footer-icp {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .site-footer .footer-icp span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .gear-hero h1 {
                font-size: 34px;
            }
            .gear-hero {
                padding: 56px 0 50px;
            }
            .review-deep {
                padding: 28px 24px;
            }
            .cta-section {
                padding: 36px 28px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
        }

        @media (max-width: 767.98px) {
            .gear-hero h1 {
                font-size: 28px;
            }
            .gear-hero .lead {
                font-size: 16px;
            }
            .gear-hero {
                padding: 42px 0 40px;
            }
            .section-heading h2 {
                font-size: 24px;
            }
            .cta-form input,
            .cta-form select {
                min-width: 100%;
                width: 100%;
            }
            .cta-form .btn-accent-custom {
                width: 100%;
                justify-content: center;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer .footer-icp {
                justify-content: center;
            }
            .filter-bar {
                gap: 8px;
            }
            .filter-pill {
                font-size: 13px;
                padding: 5px 13px;
            }
            .compare-table-wrap {
                border-radius: 0;
            }
        }

        @media (max-width: 575.98px) {
            body {
                font-size: 15px;
            }
            .gear-hero h1 {
                font-size: 24px;
            }
            .gear-card .card-body {
                padding: 16px 18px 18px;
            }
            .gear-card .card-title {
                font-size: 17px;
            }
            .review-deep {
                padding: 20px 16px;
            }
            .review-deep h2 {
                font-size: 20px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .section-heading {
                margin-bottom: 28px;
            }
            .hero-stat-chip {
                font-size: 12.5px;
                padding: 6px 13px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0A6CFF;
            --primary-dark: #0056CC;
            --accent: #FF6A00;
            --accent-dark: #E05A00;
            --cyan: #00C2FF;
            --bg-page: #F5F8FC;
            --bg-card: #FFFFFF;
            --text-main: #0F172A;
            --text-secondary: #5B6778;
            --border: #DCE5F0;
            --divider: #E8EEF6;
            --border-hover: #B8D4FF;
            --radius-lg: 18px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 8px 30px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 12px 36px rgba(10, 108, 255, 0.16);
            --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.1);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-num: 'Inter', 'Roboto', 'Oswald', 'SF Mono', 'Monaco', 'Consolas', monospace;
            --section-space: 80px;
            --section-space-mobile: 48px;
            --gutter-x: 28px;
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-page);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.75;
            overflow-x: hidden;
        }

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

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            padding-left: var(--gutter-x);
            padding-right: var(--gutter-x);
        }

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

        .section-sm {
            padding: 48px 0;
        }

        .section-head {
            margin-bottom: 36px;
        }

        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(10, 108, 255, 0.08);
            color: var(--primary);
            font-weight: 700;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 50px;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 680px;
            margin-bottom: 0;
        }

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(255, 255, 255, 0.18);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .status-badge.hot {
            background: var(--accent);
            color: #fff;
        }

        .status-badge.cyan {
            background: var(--cyan);
            color: #004466;
        }

        .status-badge.live {
            background: #E53E3E;
            color: #fff;
            animation: pulse-badge 1.6s infinite;
        }

        @keyframes pulse-badge {
            0%, 100% {
                box-shadow: 0 0 0 0 rgba(229, 62, 62, 0.4);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(229, 62, 62, 0);
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            background: #ffffff;
            border-bottom: 1px solid var(--divider);
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
            transition: var(--transition);
        }

        .site-header .navbar {
            padding: 14px 0;
            background: transparent;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: var(--text-main);
            letter-spacing: -0.3px;
        }

        .navbar-brand:hover {
            color: var(--primary);
        }

        .navbar-brand .brand-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 900;
            letter-spacing: -1px;
        }

        .navbar-brand .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .navbar-brand .brand-text .brand-name {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
        }

        .navbar-brand .brand-text .brand-sub {
            font-size: 11px;
            color: var(--text-secondary);
            font-weight: 500;
            letter-spacing: 0.5px;
        }

        .navbar-nav {
            gap: 4px;
        }

        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 15px;
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: var(--transition);
            position: relative;
        }

        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(10, 108, 255, 0.06);
        }

        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: rgba(10, 108, 255, 0.1);
            font-weight: 700;
        }

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-nav-cta {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.3px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(10, 108, 255, 0.28);
        }

        .btn-nav-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--border-hover);
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 14px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-nav-outline:hover {
            background: rgba(10, 108, 255, 0.06);
            border-color: var(--primary);
            color: var(--primary);
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 8px 12px;
            color: var(--text-main);
            background: #fff;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(10, 108, 255, 0.2);
            border-color: var(--primary);
        }

        /* ===== Hero ===== */
        .hero-category {
            position: relative;
            padding: 72px 0 80px;
            background: linear-gradient(135deg, #FFFFFF 0%, #F0F6FF 55%, #E8F3FF 100%);
            border-bottom: 1px solid var(--divider);
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 460px;
            height: 460px;
            background: radial-gradient(circle, rgba(10, 108, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -160px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 194, 255, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .hero-category h1 {
            font-size: 40px;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.22;
            color: var(--text-main);
            margin-bottom: 18px;
        }

        .hero-category h1 .highlight {
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-category .hero-desc {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 24px;
        }

        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0.3px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(10, 108, 255, 0.3);
        }

        .btn-secondary-custom {
            background: rgba(10, 108, 255, 0.08);
            color: var(--primary);
            border: 1.5px solid var(--border-hover);
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary-custom:hover {
            background: rgba(10, 108, 255, 0.12);
            border-color: var(--primary);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-accent-custom {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-accent-custom:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255, 106, 0, 0.3);
        }

        .hero-stat-row {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
        }

        .hero-stat-item {
            display: flex;
            align-items: baseline;
            gap: 6px;
        }

        .hero-stat-item .stat-num {
            font-family: var(--font-num);
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
        }

        .hero-stat-item .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .hero-panel {
            background: #ffffff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--divider);
            box-shadow: var(--shadow-lg);
            padding: 24px;
            position: relative;
            z-index: 2;
        }

        .hero-panel .panel-label {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-secondary);
            letter-spacing: 0.5px;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .match-preview-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px;
            background: var(--bg-page);
            border-radius: var(--radius-md);
            border: 1px solid var(--divider);
            margin-bottom: 12px;
            transition: var(--transition);
        }

        .match-preview-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
        }

        .match-preview-card .team {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 14px;
            color: var(--text-main);
            min-width: 0;
        }

        .match-preview-card .team .team-logo {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .match-preview-card .team.orange .team-logo {
            background: linear-gradient(135deg, var(--accent), #FFB800);
        }

        .match-preview-card .score {
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .match-preview-card .match-meta {
            text-align: center;
        }

        .match-preview-card .match-meta .match-time {
            font-size: 12px;
            color: var(--text-secondary);
            font-weight: 600;
        }

        .match-preview-card .match-meta .match-status-tag {
            display: inline-block;
            margin-top: 4px;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 50px;
        }

        .match-status-tag.ongoing {
            background: rgba(229, 62, 62, 0.1);
            color: #E53E3E;
        }

        .match-status-tag.upcoming {
            background: rgba(10, 108, 255, 0.1);
            color: var(--primary);
        }

        /* ===== 筛选标签区 ===== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 32px;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 50px;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition);
            user-select: none;
        }

        .filter-chip:hover {
            border-color: var(--border-hover);
            color: var(--primary);
            background: rgba(10, 108, 255, 0.04);
        }

        .filter-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 6px 16px rgba(10, 108, 255, 0.24);
        }

        /* ===== 赛事卡片 ===== */
        .match-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .match-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }

        .match-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #E8EEF6;
        }

        .match-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .match-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .match-card .card-img-wrap .card-status {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }

        .match-card .card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .match-card .card-title {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 8px;
            letter-spacing: -0.2px;
        }

        .match-card .card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex: 1;
        }

        .match-card .card-meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 16px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .match-card .card-meta-row i {
            color: var(--primary);
            margin-right: 4px;
        }

        .match-card .btn-card-action {
            align-self: flex-start;
            background: rgba(10, 108, 255, 0.08);
            color: var(--primary);
            border: 1.5px solid var(--border-hover);
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 14px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .match-card .btn-card-action:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-1px);
        }

        /* ===== 服务亮点 ===== */
        .feature-grid-bento {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
        }

        .feature-bento-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 26px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-bento-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }

        .feature-bento-item.span-7 {
            grid-column: span 7;
        }

        .feature-bento-item.span-5 {
            grid-column: span 5;
        }

        .feature-bento-item.span-4 {
            grid-column: span 4;
        }

        .feature-bento-item.span-8 {
            grid-column: span 8;
        }

        .feature-bento-item.span-12 {
            grid-column: span 12;
        }

        .feature-bento-item .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(10, 108, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .feature-bento-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            letter-spacing: -0.2px;
        }

        .feature-bento-item p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }

        .feature-bento-item .feature-points {
            list-style: none;
            padding: 0;
            margin: 14px 0 0;
        }

        .feature-bento-item .feature-points li {
            font-size: 14px;
            color: var(--text-secondary);
            padding: 6px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            border-bottom: 1px solid var(--divider);
        }

        .feature-bento-item .feature-points li:last-child {
            border-bottom: none;
        }

        .feature-bento-item .feature-points li i {
            color: var(--primary);
            margin-top: 4px;
            font-size: 12px;
        }

        /* ===== 深度数据区 ===== */
        .depth-section {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--divider);
            box-shadow: var(--shadow-card);
            padding: 40px 44px;
        }

        .depth-section h2 {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--text-main);
            margin-bottom: 20px;
        }

        .depth-section p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 18px;
        }

        .depth-section .depth-quote {
            border-left: 4px solid var(--primary);
            background: rgba(10, 108, 255, 0.04);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 20px 0;
            font-size: 15px;
            color: var(--text-main);
            font-weight: 600;
        }

        /* ===== 流程步骤 ===== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .step-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 22px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            position: relative;
        }

        .step-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }

        .step-item .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            color: #fff;
            font-family: var(--font-num);
            font-weight: 800;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }

        .step-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .step-item p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            background: #fff;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .accordion-custom .accordion-item:hover {
            border-color: var(--border-hover);
        }

        .accordion-custom .accordion-button {
            background: #fff;
            color: var(--text-main);
            font-weight: 700;
            font-size: 15px;
            padding: 18px 22px;
            border-radius: var(--radius-md) !important;
            transition: var(--transition);
            box-shadow: none !important;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(10, 108, 255, 0.05);
            color: var(--primary);
            box-shadow: none !important;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(10, 108, 255, 0.15) !important;
            border-color: var(--primary);
        }

        .accordion-custom .accordion-body {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 8px 22px 20px;
            background: #fff;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #0A6CFF 0%, #0056CC 50%, #004A9E 100%);
            border-radius: var(--radius-lg);
            padding: 48px 44px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -40px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(0, 194, 255, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .cta-section h2 {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.75;
            max-width: 540px;
            margin-bottom: 24px;
        }

        .cta-form-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.15);
        }

        .cta-form-card .form-label {
            font-weight: 700;
            font-size: 14px;
            color: var(--text-main);
        }

        .cta-form-card .form-control,
        .cta-form-card .form-select {
            border: 1.5px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 11px 14px;
            font-size: 15px;
            color: var(--text-main);
            transition: var(--transition);
        }

        .cta-form-card .form-control:focus,
        .cta-form-card .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(10, 108, 255, 0.15);
        }

        .cta-form-card .btn-submit {
            width: 100%;
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 13px 24px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0.3px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .cta-form-card .btn-submit:hover {
            background: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: 0 10px 24px rgba(255, 106, 0, 0.3);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0F172A;
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 28px;
            margin-top: 0;
        }

        .site-footer .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .site-footer .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 900;
        }

        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 0;
        }

        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: var(--transition);
        }

        .site-footer .footer-links a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 40px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
        }

        .site-footer .footer-icp {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199px) {
            .hero-category h1 {
                font-size: 34px;
            }
            .depth-section {
                padding: 32px 28px;
            }
        }

        @media (max-width: 991px) {
            :root {
                --section-space: 60px;
            }
            .hero-category {
                padding: 48px 0 56px;
            }
            .hero-category h1 {
                font-size: 30px;
            }
            .hero-panel {
                margin-top: 28px;
            }
            .feature-grid-bento {
                grid-template-columns: repeat(6, 1fr);
            }
            .feature-bento-item.span-7,
            .feature-bento-item.span-5,
            .feature-bento-item.span-4,
            .feature-bento-item.span-8 {
                grid-column: span 6;
            }
            .feature-bento-item.span-12 {
                grid-column: span 6;
            }
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .depth-section h2 {
                font-size: 22px;
            }
            .cta-section {
                padding: 36px 28px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .nav-cta-group {
                margin-top: 12px;
                width: 100%;
                justify-content: flex-start;
            }
        }

        @media (max-width: 767px) {
            :root {
                --section-space: 48px;
                --gutter-x: 18px;
            }
            .hero-category h1 {
                font-size: 28px;
            }
            .hero-category .hero-desc {
                font-size: 15px;
            }
            .feature-grid-bento {
                grid-template-columns: 1fr;
            }
            .feature-bento-item.span-7,
            .feature-bento-item.span-5,
            .feature-bento-item.span-4,
            .feature-bento-item.span-8,
            .feature-bento-item.span-12 {
                grid-column: span 1;
            }
            .steps-row {
                grid-template-columns: 1fr;
            }
            .depth-section {
                padding: 24px 20px;
            }
            .depth-section h2 {
                font-size: 20px;
            }
            .cta-section {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .match-preview-card {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .match-preview-card .team {
                justify-content: center;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-head h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 575px) {
            .hero-category {
                padding: 36px 0 44px;
            }
            .hero-category h1 {
                font-size: 25px;
            }
            .hero-cta-row .btn {
                width: 100%;
                justify-content: center;
            }
            .filter-bar {
                gap: 8px;
            }
            .filter-chip {
                font-size: 13px;
                padding: 7px 13px;
            }
            .match-card .card-body {
                padding: 16px 18px 18px;
            }
            .match-card .card-title {
                font-size: 16px;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .hero-stat-row {
                gap: 18px;
            }
            .hero-stat-item .stat-num {
                font-size: 20px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0A6CFF;
            --primary-dark: #0056CC;
            --accent: #FF6A00;
            --accent-dark: #E05A00;
            --cyan: #00C2FF;
            --bg-page: #F5F8FC;
            --bg-card: #FFFFFF;
            --text-main: #0F172A;
            --text-secondary: #5B6778;
            --border: #DCE5F0;
            --divider: #E8EEF6;
            --border-hover: #B8D4FF;
            --radius-lg: 18px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 8px 30px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 12px 36px rgba(10, 108, 255, 0.16);
            --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.1);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-num: 'Inter', 'Roboto', 'Oswald', 'SF Mono', 'Monaco', 'Consolas', monospace;
            --section-space: 72px;
            --section-space-mobile: 48px;
            --gutter-x: 28px;
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-page);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.75;
            overflow-x: hidden;
        }

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

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            padding-left: var(--gutter-x);
            padding-right: var(--gutter-x);
        }

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(255, 255, 255, 0.18);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .status-badge.hot {
            background: var(--accent);
            color: #fff;
        }

        .status-badge.cyan {
            background: var(--cyan);
            color: #004466;
        }

        /* ===== 导航 ===== */
        .site-header {
            background: #ffffff;
            border-bottom: 1px solid var(--divider);
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
            transition: var(--transition);
        }

        .site-header .navbar {
            padding: 14px 0;
            background: transparent;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: var(--text-main);
            letter-spacing: -0.3px;
        }

        .navbar-brand:hover {
            color: var(--primary);
        }

        .navbar-brand .brand-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 900;
            letter-spacing: -1px;
        }

        .navbar-brand .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .navbar-brand .brand-text .brand-name {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
        }

        .navbar-brand .brand-text .brand-sub {
            font-size: 11px;
            color: var(--text-secondary);
            font-weight: 500;
            letter-spacing: 0.5px;
        }

        .navbar-nav {
            gap: 4px;
        }

        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 15px;
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: var(--transition);
            position: relative;
        }

        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(10, 108, 255, 0.06);
        }

        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: rgba(10, 108, 255, 0.1);
            font-weight: 700;
        }

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-nav-cta {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.3px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(10, 108, 255, 0.25);
        }

        .btn-nav-outline {
            background: rgba(10, 108, 255, 0.08);
            color: var(--primary);
            border: 1px solid var(--border-hover);
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.3px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-nav-outline:hover {
            background: rgba(10, 108, 255, 0.14);
            color: var(--primary-dark);
            border-color: var(--primary);
        }

        .navbar-toggler {
            border: none;
            font-size: 22px;
            color: var(--text-main);
            padding: 6px 10px;
            border-radius: 8px;
            background: rgba(15, 23, 42, 0.04);
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--primary);
        }

        /* ===== 分类页头 ===== */
        .page-hero {
            background: linear-gradient(135deg, #0A1628 0%, #0D2B52 50%, #0A6CFF 100%);
            padding: 64px 0 80px;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.18;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, rgba(10,22,40,0.9) 0%, rgba(10,22,40,0.55) 50%, rgba(10,108,255,0.35) 100%);
        }

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

        .page-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 106, 0, 0.2);
            border: 1px solid rgba(255, 106, 0, 0.4);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: #FFB38A;
            margin-bottom: 20px;
        }

        .page-hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
            color: #fff;
        }

        .page-hero h1 span {
            color: var(--cyan);
        }

        .page-hero-desc {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.82);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .page-hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== 筛选/标签区 ===== */
        .filter-section {
            margin-top: -36px;
            position: relative;
            z-index: 10;
        }

        .filter-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 24px 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
        }

        .filter-label {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-secondary);
            white-space: nowrap;
            margin-right: 4px;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-page);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            padding: 7px 16px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--border-hover);
            color: var(--primary);
            background: rgba(10, 108, 255, 0.05);
        }

        .filter-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== 内容展示区 ===== */
        .content-section {
            padding: var(--section-space) 0;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.3px;
            margin: 0;
        }

        .section-header .section-sub {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        .section-header .btn-more {
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .section-header .btn-more:hover {
            background: rgba(10, 108, 255, 0.08);
            color: var(--primary-dark);
        }

        /* ===== 战术深度内容区 ===== */
        .tactic-editorial {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 36px 40px;
            margin-bottom: 28px;
            transition: var(--transition);
        }

        .tactic-editorial:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }

        .tactic-editorial .tactic-visual {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 24px;
            position: relative;
        }

        .tactic-editorial .tactic-visual img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .tactic-editorial:hover .tactic-visual img {
            transform: scale(1.02);
        }

        .tactic-editorial .tactic-tag-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .tactic-tag {
            background: rgba(10, 108, 255, 0.08);
            color: var(--primary);
            padding: 5px 14px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.3px;
        }

        .tactic-tag.orange {
            background: rgba(255, 106, 0, 0.1);
            color: var(--accent-dark);
        }

        .tactic-tag.cyan {
            background: rgba(0, 194, 255, 0.1);
            color: #0088BB;
        }

        .tactic-editorial h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .tactic-editorial h3 a {
            color: var(--text-main);
        }

        .tactic-editorial h3 a:hover {
            color: var(--primary);
        }

        .tactic-editorial p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .tactic-editorial .tactic-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            border-top: 1px solid var(--divider);
            padding-top: 18px;
            margin-top: 8px;
        }

        .tactic-meta-info {
            display: flex;
            align-items: center;
            gap: 18px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .tactic-meta-info span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .btn-read-more {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--border-hover);
            padding: 9px 20px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 14px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-read-more:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(10, 108, 255, 0.22);
        }

        /* ===== 战术原则板块 ===== */
        .principle-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 24px;
        }

        .principle-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .principle-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
            transform: translateY(-3px);
        }

        .principle-card .principle-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 6px;
        }

        .principle-card .principle-icon.blue {
            background: rgba(10, 108, 255, 0.1);
            color: var(--primary);
        }

        .principle-card .principle-icon.orange {
            background: rgba(255, 106, 0, 0.1);
            color: var(--accent-dark);
        }

        .principle-card .principle-icon.cyan {
            background: rgba(0, 194, 255, 0.1);
            color: #0088BB;
        }

        .principle-card h3 {
            font-size: 19px;
            font-weight: 800;
            color: var(--text-main);
            margin: 0;
        }

        .principle-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        .principle-card .principle-data {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-top: 6px;
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            padding: var(--section-space) 0;
        }

        .cta-panel {
            background: linear-gradient(135deg, var(--primary) 0%, #0056CC 55%, #00C2FF 100%);
            border-radius: var(--radius-lg);
            padding: 52px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            color: #fff;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(0, 194, 255, 0.2);
        }

        .cta-panel > * {
            position: relative;
            z-index: 2;
        }

        .cta-panel h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .cta-panel p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
            max-width: 560px;
            line-height: 1.8;
        }

        .cta-panel .btn-cta-light {
            background: #fff;
            color: var(--primary);
            border: none;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 16px;
            letter-spacing: 0.3px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .cta-panel .btn-cta-light:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 106, 0, 0.35);
        }

        .cta-panel .btn-cta-orange {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 16px;
            letter-spacing: 0.3px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .cta-panel .btn-cta-orange:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 106, 0, 0.4);
        }

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

        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .accordion-item:hover {
            border-color: var(--border-hover);
        }

        .accordion-button {
            background: var(--bg-card);
            color: var(--text-main);
            font-weight: 700;
            font-size: 16px;
            padding: 20px 24px;
            border-radius: var(--radius-md) !important;
            transition: var(--transition);
        }

        .accordion-button:not(.collapsed) {
            background: rgba(10, 108, 255, 0.05);
            color: var(--primary);
            box-shadow: none;
            border-bottom: 1px solid var(--divider);
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--border-hover);
            outline: none;
        }

        .accordion-button::after {
            transition: var(--transition);
        }

        .accordion-body {
            padding: 20px 24px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            background: var(--bg-card);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0F172A;
            padding: 60px 0 24px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 40px;
        }

        .site-footer .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
        }

        .site-footer .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            border-radius: 9px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 900;
        }

        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
        }

        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: var(--transition);
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 40px;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
        }

        .site-footer .footer-bottom .footer-icp {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1200px) {
            .container {
                max-width: 100%;
            }
        }

        @media (max-width: 992px) {
            .nav-cta-group {
                margin-top: 10px;
                width: 100%;
                justify-content: center;
            }

            .navbar-collapse {
                padding: 16px 0;
            }

            .page-hero h1 {
                font-size: 34px;
            }

            .tactic-editorial .tactic-visual img {
                height: 220px;
            }

            .cta-panel {
                padding: 40px 36px;
                flex-direction: column;
                text-align: center;
            }

            .cta-panel p {
                margin: 0 auto;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-space: 48px;
                --section-space-mobile: 36px;
                --gutter-x: 18px;
            }

            .page-hero {
                padding: 48px 0 60px;
            }

            .page-hero h1 {
                font-size: 28px;
                line-height: 1.35;
            }

            .page-hero-desc {
                font-size: 15px;
                line-height: 1.75;
            }

            .filter-card {
                padding: 18px 20px;
                gap: 8px;
            }

            .filter-tag {
                font-size: 12px;
                padding: 6px 12px;
            }

            .tactic-editorial {
                padding: 24px 20px;
            }

            .tactic-editorial h3 {
                font-size: 20px;
            }

            .tactic-editorial .tactic-visual img {
                height: 180px;
            }

            .principle-grid {
                grid-template-columns: 1fr;
            }

            .principle-card {
                padding: 22px 24px;
            }

            .cta-panel {
                padding: 32px 24px;
            }

            .cta-panel h2 {
                font-size: 24px;
            }

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

            .site-footer .footer-bottom .footer-icp {
                justify-content: center;
            }
        }

        @media (max-width: 576px) {
            .page-hero h1 {
                font-size: 24px;
            }

            .page-hero-desc {
                font-size: 14px;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .tactic-editorial {
                padding: 18px 16px;
            }

            .tactic-editorial h3 {
                font-size: 18px;
            }

            .tactic-editorial p {
                font-size: 14px;
            }

            .tactic-meta-info {
                flex-direction: column;
                gap: 6px;
            }

            .principle-card .principle-data {
                font-size: 26px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0A6CFF;
            --primary-dark: #0056CC;
            --accent: #FF6A00;
            --accent-dark: #E05A00;
            --cyan: #00C2FF;
            --bg-page: #F5F8FC;
            --bg-card: #FFFFFF;
            --text-main: #0F172A;
            --text-secondary: #5B6778;
            --border: #DCE5F0;
            --divider: #E8EEF6;
            --border-hover: #B8D4FF;
            --radius-lg: 18px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 8px 30px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 12px 36px rgba(10, 108, 255, 0.16);
            --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.1);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-num: 'Inter', 'Roboto', 'Oswald', 'SF Mono', 'Monaco', 'Consolas', monospace;
            --section-space: 88px;
            --section-space-mobile: 52px;
            --gutter-x: 28px;
        }
        @media (max-width: 575.98px) {
            :root {
                --section-space: var(--section-space-mobile);
                --gutter-x: 18px;
            }
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-page);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.75;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }
        .container {
            max-width: 1200px;
            padding-left: var(--gutter-x);
            padding-right: var(--gutter-x);
        }
        .section-space {
            padding: var(--section-space) 0;
        }
        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(255, 255, 255, 0.18);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .status-badge.hot {
            background: var(--accent);
            color: #fff;
        }
        .status-badge.cyan {
            background: var(--cyan);
            color: #004466;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .section-label::before {
            content: '';
            width: 28px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--cyan));
            border-radius: 3px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 16px;
            line-height: 1.35;
            letter-spacing: -0.3px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 760px;
            margin-bottom: 0;
        }
        /* ===== 导航 ===== */
        .site-header {
            background: #ffffff;
            border-bottom: 1px solid var(--divider);
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
            transition: var(--transition);
        }
        .site-header .navbar {
            padding: 14px 0;
            background: transparent;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: var(--text-main);
            letter-spacing: -0.3px;
        }
        .navbar-brand:hover {
            color: var(--primary);
        }
        .navbar-brand .brand-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 900;
            letter-spacing: -1px;
        }
        .navbar-brand .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .navbar-brand .brand-text .brand-name {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
        }
        .navbar-brand .brand-text .brand-sub {
            font-size: 11px;
            color: var(--text-secondary);
            font-weight: 500;
            letter-spacing: 0.5px;
        }
        .navbar-nav {
            gap: 4px;
        }
        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 15px;
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: var(--transition);
            position: relative;
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(10, 108, 255, 0.06);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            background: rgba(10, 108, 255, 0.1);
            font-weight: 700;
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }
        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn-nav-cta {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.3px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(10, 108, 255, 0.3);
        }
        .btn-nav-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--border);
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.3px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-nav-outline:hover {
            background: rgba(10, 108, 255, 0.06);
            border-color: var(--primary);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 8px 12px;
            font-size: 18px;
            color: var(--text-main);
            background: #fff;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px rgba(10, 108, 255, 0.3);
            border-color: var(--primary);
        }
        @media (max-width: 991.98px) {
            .nav-cta-group {
                margin-top: 12px;
                flex-wrap: wrap;
            }
            .navbar-nav {
                padding: 12px 0;
            }
        }
        /* ===== Hero 品牌旗舰店 ===== */
        .hero-boutique {
            position: relative;
            min-height: 72vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: #0F172A;
        }
        .hero-boutique .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.5;
        }
        .hero-boutique .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 108, 255, 0.75) 0%, rgba(0, 194, 255, 0.5) 45%, rgba(15, 23, 42, 0.78) 100%);
        }
        .hero-boutique .hero-inner {
            position: relative;
            z-index: 3;
            padding: 80px 0 60px;
        }
        .hero-boutique .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 22px;
        }
        .hero-boutique .hero-tags .tag-item {
            background: rgba(255, 255, 255, 0.22);
            border: 1px solid rgba(255, 255, 255, 0.35);
            color: #fff;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.3px;
            backdrop-filter: blur(8px);
        }
        .hero-boutique h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            letter-spacing: -1px;
            margin-bottom: 18px;
        }
        .hero-boutique h1 .highlight {
            background: linear-gradient(135deg, var(--accent), #FFB347);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-boutique .hero-sub {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.8;
            max-width: 620px;
            margin-bottom: 30px;
        }
        .hero-boutique .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            margin-bottom: 36px;
        }
        .btn-hero-primary {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 16px;
            letter-spacing: 0.4px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 8px 24px rgba(255, 106, 0, 0.35);
        }
        .btn-hero-primary:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(255, 106, 0, 0.45);
        }
        .btn-hero-secondary {
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 16px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            backdrop-filter: blur(8px);
        }
        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.25);
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
            transform: translateY(-3px);
        }
        .hero-boutique .hero-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: 12px;
            padding: 12px 18px;
            backdrop-filter: blur(10px);
        }
        .hero-boutique .hero-strip .strip-label {
            font-size: 13px;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.8);
            letter-spacing: 0.4px;
            margin-right: 6px;
            white-space: nowrap;
        }
        .hero-boutique .hero-strip .strip-link {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .hero-boutique .hero-strip .strip-link:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            transform: translateY(-1px);
        }
        .hero-boutique .hero-strip .strip-link.active-strip {
            background: #fff;
            color: var(--primary);
        }
        @media (max-width: 767.98px) {
            .hero-boutique h1 {
                font-size: 30px;
            }
            .hero-boutique .hero-sub {
                font-size: 16px;
            }
            .hero-boutique .hero-inner {
                padding: 50px 0 40px;
            }
        }
        /* ===== 战队卡片网格 ===== */
        .team-grid .team-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .team-grid .team-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .team-grid .team-card .card-img {
            height: 220px;
            overflow: hidden;
            position: relative;
        }
        .team-grid .team-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .team-grid .team-card:hover .card-img img {
            transform: scale(1.05);
        }
        .team-grid .team-card .card-img .team-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        .team-grid .team-card .card-img .team-rank {
            position: absolute;
            bottom: 14px;
            right: 14px;
            background: rgba(15, 23, 42, 0.75);
            color: #fff;
            padding: 5px 14px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 700;
            font-family: var(--font-num);
            backdrop-filter: blur(6px);
        }
        .team-grid .team-card .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .team-grid .team-card .card-body h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .team-grid .team-card .card-body .team-meta {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 14px;
        }
        .team-grid .team-card .card-body .team-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .team-grid .team-card .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .team-grid .team-card .card-body .btn-team-more {
            margin-top: auto;
            align-self: flex-start;
            background: rgba(10, 108, 255, 0.08);
            color: var(--primary);
            border: 1px solid rgba(10, 108, 255, 0.2);
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .team-grid .team-card .card-body .btn-team-more:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateX(4px);
        }
        /* ===== 时间线 ===== */
        .timeline-section {
            background: #fff;
            border: 1px solid var(--divider);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            box-shadow: var(--shadow-card);
        }
        .timeline-item {
            display: flex;
            gap: 20px;
            padding: 18px 0;
            border-bottom: 1px solid var(--divider);
            position: relative;
        }
        .timeline-item:last-child {
            border-bottom: none;
        }
        .timeline-item .tl-date {
            flex-shrink: 0;
            width: 100px;
            font-family: var(--font-num);
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            padding-top: 4px;
        }
        .timeline-item .tl-content {
            flex: 1;
        }
        .timeline-item .tl-content h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-main);
        }
        .timeline-item .tl-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .timeline-item .tl-content .tl-tag {
            display: inline-block;
            background: rgba(10, 108, 255, 0.08);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 50px;
        }
        @media (max-width: 767.98px) {
            .timeline-item {
                flex-direction: column;
                gap: 6px;
            }
            .timeline-item .tl-date {
                width: auto;
            }
        }
        /* ===== 数据面板 ===== */
        .data-panel {
            background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .data-panel::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(10, 108, 255, 0.2), transparent 70%);
            border-radius: 50%;
        }
        .data-panel .dp-title {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 6px;
            position: relative;
            z-index: 2;
        }
        .data-panel .dp-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 30px;
            position: relative;
            z-index: 2;
        }
        .data-panel .dp-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            position: relative;
            z-index: 2;
        }
        .data-panel .dp-metrics .metric-item {
            min-width: 130px;
        }
        .data-panel .dp-metrics .metric-item .metric-num {
            font-family: var(--font-num);
            font-size: 38px;
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: 4px;
            background: linear-gradient(135deg, #fff, #B8D4FF);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .data-panel .dp-metrics .metric-item .metric-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            font-weight: 500;
        }
        @media (max-width: 767.98px) {
            .data-panel {
                padding: 32px 24px;
            }
            .data-panel .dp-metrics .metric-item .metric-num {
                font-size: 30px;
            }
        }
        /* ===== 图文错位 ===== */
        .feature-row {
            align-items: center;
            gap: 40px;
        }
        .feature-row .feature-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
        }
        .feature-row .feature-img img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }
        .feature-row .feature-text h3 {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--text-main);
        }
        .feature-row .feature-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .feature-row .feature-text .feature-points {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .feature-row .feature-text .feature-points li {
            font-size: 14px;
            color: var(--text-secondary);
            padding: 8px 0;
            border-bottom: 1px solid var(--divider);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .feature-row .feature-text .feature-points li:last-child {
            border-bottom: none;
        }
        .feature-row .feature-text .feature-points li i {
            color: var(--primary);
            font-size: 14px;
            margin-top: 4px;
        }
        /* ===== FAQ ===== */
        .faq-section .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow-card);
        }
        .faq-section .accordion-item .accordion-header .accordion-button {
            font-weight: 700;
            font-size: 15px;
            color: var(--text-main);
            background: #fff;
            padding: 16px 22px;
            border: none;
            box-shadow: none;
            transition: var(--transition);
        }
        .faq-section .accordion-item .accordion-header .accordion-button:not(.collapsed) {
            background: rgba(10, 108, 255, 0.05);
            color: var(--primary);
        }
        .faq-section .accordion-item .accordion-header .accordion-button:focus {
            box-shadow: 0 0 0 2px rgba(10, 108, 255, 0.25);
            border-color: var(--primary);
        }
        .faq-section .accordion-item .accordion-body {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 16px 22px 20px;
            background: rgba(10, 108, 255, 0.02);
        }
        .faq-section .accordion-item .accordion-button::after {
            filter: brightness(0) saturate(100%) invert(35%) sepia(80%) saturate(2000%) hue-rotate(205deg) brightness(95%) contrast(95%);
        }
        /* ===== CTA ===== */
        .cta-section {
            background: #fff;
            border: 1px solid var(--divider);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            bottom: -30%;
            left: 60%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 194, 255, 0.1), transparent 70%);
            border-radius: 50%;
        }
        .cta-section .cta-title {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 10px;
            position: relative;
            z-index: 2;
        }
        .cta-section .cta-desc {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 28px;
            position: relative;
            z-index: 2;
        }
        .cta-section .form-control {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 18px;
            font-size: 15px;
            color: var(--text-main);
            transition: var(--transition);
            background: #fff;
        }
        .cta-section .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(10, 108, 255, 0.15);
            outline: none;
        }
        .cta-section .form-select {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 18px;
            font-size: 15px;
            color: var(--text-main);
            transition: var(--transition);
            background: #fff;
        }
        .cta-section .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(10, 108, 255, 0.15);
        }
        .cta-section .form-label {
            font-weight: 600;
            font-size: 14px;
            color: var(--text-main);
        }
        .btn-cta-submit {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 13px 32px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0.3px;
            transition: var(--transition);
            box-shadow: 0 8px 20px rgba(255, 106, 0, 0.3);
        }
        .btn-cta-submit:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(255, 106, 0, 0.4);
        }
        /* ===== 页脚 ===== */
        .site-footer {
            background: #0F172A;
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 30px;
            margin-top: var(--section-space);
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .brand-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 900;
        }
        .site-footer p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--cyan);
            transform: translateX(4px);
        }
        .site-footer .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .site-footer .footer-bottom .footer-icp {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        @media (max-width: 767.98px) {
            .site-footer {
                padding: 40px 0 20px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }