/* roulang page: index */
:root {
            --color-brand-red: #E12A3B;
            --color-brand-red-dark: #C41E2D;
            --color-brand-slate: #1E2630;
            --color-brand-slate-light: #2A3644;
            --color-brand-gold: #F2A900;
            --color-brand-gold-light: #FFBE1A;
            --color-surface-light: #F7F9FC;
            --color-surface-blue: #EBF0F6;
            --color-border-soft: #D0D8E0;
            --color-text-primary: #1A1F2B;
            --color-text-secondary: #5A6270;
            --color-text-weak: #8B93A3;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(225, 42, 59, 0.12);
            --shadow-nav: 0 2px 16px rgba(0, 0, 0, 0.08);
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 80px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Inter", -apple-system, sans-serif;
            font-size: 16px;
            line-height: 1.65;
            color: #1A1F2B;
            background-color: #F7F9FC;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

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

        /* 导航 */
        #nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 64px;
            background: #ffffff;
            transition: box-shadow var(--transition-base), background var(--transition-base);
            display: flex;
            align-items: center;
        }

        #nav.nav-scrolled {
            box-shadow: var(--shadow-nav);
        }

        .nav-inner {
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: #1A1F2B;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-brand-red);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 15px;
            letter-spacing: -0.5px;
            flex-shrink: 0;
            position: relative;
        }

        .nav-logo-icon::after {
            content: '';
            position: absolute;
            width: 8px;
            height: 8px;
            background: var(--color-brand-gold);
            border-radius: 50%;
            top: -3px;
            right: -3px;
            animation: pulseGold 2s ease-in-out infinite;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 15px;
            font-weight: 500;
            color: #3A404D;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--color-brand-red);
            background: rgba(225, 42, 59, 0.05);
        }

        .nav-links a.nav-cta-btn {
            background: var(--color-brand-red);
            color: #fff;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            margin-left: 8px;
            transition: all var(--transition-base);
            box-shadow: 0 2px 8px rgba(225, 42, 59, 0.25);
        }

        .nav-links a.nav-cta-btn:hover {
            background: var(--color-brand-red-dark);
            box-shadow: 0 4px 16px rgba(225, 42, 59, 0.35);
            color: #fff;
            transform: translateY(-1px);
        }

        .nav-links a.nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(225, 42, 59, 0.3);
        }

        /* 汉堡菜单 */
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
            z-index: 1001;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            transition: background var(--transition-base);
        }

        .hamburger-btn:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        .hamburger-btn span {
            display: block;
            width: 22px;
            height: 2.5px;
            background: #1A1F2B;
            border-radius: 2px;
            transition: all var(--transition-smooth);
            transform-origin: center;
        }

        .hamburger-btn.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .hamburger-btn.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger-btn.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* 移动端菜单面板 */
        .mobile-menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 999;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }
        .mobile-menu-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-menu-panel {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            background: #fff;
            z-index: 1000;
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: right var(--transition-smooth);
            box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
            overflow-y: auto;
        }
        .mobile-menu-panel.active {
            right: 0;
        }
        .mobile-menu-panel a {
            display: block;
            padding: 14px 16px;
            font-size: 16px;
            font-weight: 500;
            color: #1A1F2B;
            border-radius: 8px;
            transition: all var(--transition-base);
        }
        .mobile-menu-panel a:hover {
            background: rgba(225, 42, 59, 0.06);
            color: var(--color-brand-red);
        }
        .mobile-menu-panel .mobile-cta-btn {
            background: var(--color-brand-red);
            color: #fff !important;
            text-align: center;
            font-weight: 600;
            margin-top: 8px;
            padding: 14px 16px;
            border-radius: var(--radius-btn);
            box-shadow: 0 2px 8px rgba(225, 42, 59, 0.25);
        }
        .mobile-menu-panel .mobile-cta-btn:hover {
            background: var(--color-brand-red-dark) !important;
            color: #fff !important;
            box-shadow: 0 4px 16px rgba(225, 42, 59, 0.35);
        }

        /* Hero */
        #hero {
            padding-top: 64px;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: linear-gradient(180deg, #ffffff 0%, #F7F9FC 60%, #EBF0F6 100%);
            position: relative;
            overflow: hidden;
        }

        #hero::before {
            content: '';
            position: absolute;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(225, 42, 59, 0.04) 0%, transparent 70%);
            top: -120px;
            right: -180px;
            pointer-events: none;
        }

        #hero::after {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(242, 169, 0, 0.05) 0%, transparent 70%);
            bottom: -80px;
            left: -100px;
            pointer-events: none;
        }

        .hero-inner {
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
            padding: 40px 24px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-text h1 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 800;
            line-height: 1.25;
            color: #1A1F2B;
            margin: 0 0 16px 0;
            letter-spacing: -0.3px;
        }

        .hero-text h1 .highlight {
            color: var(--color-brand-red);
            position: relative;
            white-space: nowrap;
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.7;
            color: #5A6270;
            margin: 0 0 28px 0;
            max-width: 480px;
        }

        .hero-buttons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            background: var(--color-brand-red);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            box-shadow: 0 2px 8px rgba(225, 42, 59, 0.25);
            border: none;
            cursor: pointer;
            white-space: nowrap;
            text-decoration: none;
        }
        .btn-primary:hover {
            background: var(--color-brand-red-dark);
            box-shadow: 0 6px 20px rgba(225, 42, 59, 0.35);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(225, 42, 59, 0.3);
        }
        .btn-primary:focus-visible {
            box-shadow: 0 0 0 4px rgba(225, 42, 59, 0.18);
            outline: none;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            background: #fff;
            color: #1A1F2B;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-btn);
            border: 1.5px solid var(--color-border-soft);
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
            text-decoration: none;
        }
        .btn-secondary:hover {
            border-color: var(--color-brand-red);
            color: var(--color-brand-red);
            background: #FFF5F6;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
        }
        .btn-secondary:active {
            transform: translateY(0);
            background: #FFEBED;
        }
        .btn-secondary:focus-visible {
            box-shadow: 0 0 0 4px rgba(225, 42, 59, 0.1);
            outline: none;
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual-img-wrapper {
            position: relative;
            width: 100%;
            max-width: 520px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
            border: 1px solid rgba(0, 0, 0, 0.06);
        }

        .hero-visual-img-wrapper img {
            width: 100%;
            height: auto;
            display: block;
            aspect-ratio: 16/10;
            object-fit: cover;
        }

        .hero-score-badge {
            position: absolute;
            bottom: -16px;
            left: 50%;
            transform: translateX(-50%);
            background: #fff;
            border-radius: 20px;
            padding: 10px 20px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 15px;
            white-space: nowrap;
            z-index: 2;
            border: 1.5px solid #F0F0F0;
        }
        .hero-score-badge .team {
            color: #1A1F2B;
        }
        .hero-score-badge .score {
            color: var(--color-brand-red);
            font-family: "JetBrains Mono", "SF Mono", "Menlo", "Consolas", monospace;
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 1px;
        }
        .hero-score-badge .vs {
            color: #8B93A3;
            font-size: 12px;
            font-weight: 500;
        }
        .hero-score-badge .live-dot {
            width: 8px;
            height: 8px;
            background: var(--color-brand-red);
            border-radius: 50%;
            animation: pulseGold 1.5s ease-in-out infinite;
        }

        /* 区块通用 */
        .section-block {
            padding: 72px 24px;
            position: relative;
        }
        .section-inner {
            max-width: 1200px;
            margin: 0 auto;
        }
        .section-label {
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--color-brand-red);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: clamp(24px, 3vw, 30px);
            font-weight: 700;
            color: #1A1F2B;
            margin: 0 0 12px 0;
            letter-spacing: -0.2px;
        }
        .section-desc {
            font-size: 16px;
            color: #5A6270;
            max-width: 600px;
            line-height: 1.7;
            margin: 0 0 36px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        /* 服务卡片 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 28px 24px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            border: 1px solid transparent;
        }
        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(225, 42, 59, 0.12);
            animation: floatUp 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
        }
        .service-card-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(225, 42, 59, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            transition: all var(--transition-base);
            flex-shrink: 0;
            color: var(--color-brand-red);
            font-size: 22px;
        }
        .service-card:hover .service-card-icon {
            background: var(--color-brand-red);
            color: #fff;
            transform: scale(1.05);
        }
        .service-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: #1A1F2B;
            margin: 0 0 8px 0;
        }
        .service-card p {
            font-size: 14px;
            color: #5A6270;
            line-height: 1.6;
            margin: 0;
        }
        .service-card .card-img-top {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 16px;
            background: #EBF0F6;
        }

        /* 数据亮点 */
        #data {
            background: #fff;
            border-top: 1px solid #F0F2F5;
            border-bottom: 1px solid #F0F2F5;
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 32px;
        }
        .data-stat {
            text-align: center;
            padding: 28px 20px;
            background: var(--surface-blue);
            border-radius: var(--radius-card);
            transition: all var(--transition-base);
        }
        .data-stat:hover {
            background: #E3EAF3;
            transform: translateY(-2px);
        }
        .data-stat .stat-number {
            font-size: clamp(32px, 5vw, 44px);
            font-weight: 900;
            color: var(--color-brand-gold);
            font-family: "JetBrains Mono", "SF Mono", "Menlo", "Consolas", monospace;
            letter-spacing: -1px;
            line-height: 1.1;
        }
        .data-stat .stat-label {
            font-size: 14px;
            color: #5A6270;
            margin-top: 6px;
            font-weight: 500;
        }
        .live-score-display {
            background: #fff;
            border: 1.5px solid #F0F2F5;
            border-radius: var(--radius-card);
            padding: 20px 28px;
            display: flex;
            align-items: center;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
            max-width: 500px;
            margin: 0 auto;
        }
        .live-score-display .live-indicator {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 700;
            color: var(--color-brand-red);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .live-score-display .live-indicator .dot {
            width: 7px;
            height: 7px;
            background: var(--color-brand-red);
            border-radius: 50%;
            animation: pulseGold 1.5s ease-in-out infinite;
        }
        .live-score-display .match-teams {
            font-weight: 700;
            font-size: 16px;
            color: #1A1F2B;
        }
        .live-score-display .match-score {
            font-family: "JetBrains Mono", "SF Mono", "Menlo", "Consolas", monospace;
            font-weight: 900;
            font-size: 22px;
            color: var(--color-brand-red);
            letter-spacing: 2px;
        }
        .live-score-display .match-vs {
            font-size: 13px;
            color: #8B93A3;
            font-weight: 500;
        }

        /* 案例 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .case-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 24px 16px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
            cursor: default;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }
        .case-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(225, 42, 59, 0.1);
            animation: floatUp 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
        }
        .case-card .case-logo-placeholder {
            width: 80px;
            height: 80px;
            background: #F7F9FC;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 13px;
            color: #8B93A3;
            transition: all var(--transition-base);
            overflow: hidden;
        }
        .case-card:hover .case-logo-placeholder {
            background: rgba(225, 42, 59, 0.06);
            color: var(--color-brand-red);
        }
        .case-card .case-logo-placeholder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 16px;
        }
        .case-card .case-name {
            font-weight: 600;
            font-size: 14px;
            color: #1A1F2B;
        }
        .case-card .case-type {
            font-size: 12px;
            color: #8B93A3;
        }

        /* 方案流程 */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .solution-step {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 28px 22px;
            border-top: 4px solid var(--color-brand-red);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            position: relative;
        }
        .solution-step:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            animation: floatUp 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
        }
        .solution-step .step-number {
            font-size: 40px;
            font-weight: 900;
            color: rgba(225, 42, 59, 0.15);
            position: absolute;
            top: 16px;
            right: 20px;
            line-height: 1;
            font-family: "JetBrains Mono", "SF Mono", "Menlo", "Consolas", monospace;
        }
        .solution-step h3 {
            font-size: 18px;
            font-weight: 700;
            color: #1A1F2B;
            margin: 0 0 8px 0;
            position: relative;
            z-index: 1;
        }
        .solution-step p {
            font-size: 14px;
            color: #5A6270;
            line-height: 1.6;
            margin: 0;
            position: relative;
            z-index: 1;
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            border-left: 3px solid transparent;
            transition: all var(--transition-base);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }
        .faq-item.active {
            border-left-color: var(--color-brand-red);
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            width: 100%;
            padding: 18px 20px;
            background: none;
            border: none;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: #1A1F2B;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-base);
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--color-brand-red);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #F0F2F5;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-base);
            font-size: 16px;
            color: #5A6270;
            font-weight: 500;
        }
        .faq-item.active .faq-icon {
            background: var(--color-brand-red);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 20px;
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 14px;
            color: #5A6270;
            line-height: 1.7;
            margin: 0;
        }

        /* CTA */
        #cta {
            background: var(--color-brand-slate);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        #cta::before {
            content: '';
            position: absolute;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(225, 42, 59, 0.2) 0%, transparent 70%);
            top: -80px;
            right: -100px;
            pointer-events: none;
        }
        #cta .section-title {
            color: #fff;
        }
        #cta .section-desc {
            color: #C5CAD3;
            margin-left: auto;
            margin-right: auto;
        }
        #cta .btn-primary {
            font-size: 16px;
            padding: 15px 32px;
            box-shadow: 0 4px 16px rgba(225, 42, 59, 0.4);
        }
        #cta .btn-primary:hover {
            box-shadow: 0 8px 28px rgba(225, 42, 59, 0.5);
            transform: translateY(-2px);
        }

        /* 页脚 */
        #footer {
            background: #fff;
            border-top: 1px solid #F0F2F5;
            padding: 48px 24px 24px;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #1A1F2B;
            margin: 0 0 12px 0;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: #5A6270;
            transition: color var(--transition-base);
        }
        .footer-col ul a:hover {
            color: var(--color-brand-red);
        }
        .footer-logo-text {
            font-weight: 700;
            font-size: 18px;
            color: #1A1F2B;
            margin-bottom: 8px;
        }
        .footer-desc {
            font-size: 13px;
            color: #8B93A3;
            line-height: 1.6;
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 32px auto 0;
            padding-top: 20px;
            border-top: 1px solid #F0F2F5;
            text-align: center;
            font-size: 13px;
            color: #8B93A3;
        }

        /* Hero 装饰电竞元素 */
        .hero-decor-lines {
            position: absolute;
            pointer-events: none;
            opacity: 0.06;
            width: 300px;
            height: 300px;
            right: 5%;
            top: 50%;
            transform: translateY(-50%);
            background: repeating-linear-gradient(45deg,
                    transparent,
                    transparent 8px,
                    var(--color-brand-red) 8px,
                    var(--color-brand-red) 9px),
                repeating-linear-gradient(-45deg,
                    transparent,
                    transparent 8px,
                    var(--color-brand-red) 8px,
                    var(--color-brand-red) 9px);
            border-radius: 50%;
        }

        /* 响应式 */
        @media (max-width: 1023px) {
            .nav-links {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
                text-align: center;
            }
            .hero-text h1 {
                font-size: clamp(24px, 5vw, 32px);
            }
            .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-buttons {
                justify-content: center;
            }
            .hero-visual-img-wrapper {
                max-width: 400px;
                margin: 0 auto;
            }
            .hero-decor-lines {
                display: none;
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-grid .data-stat:last-child {
                grid-column: span 2;
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solution-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solution-grid .solution-step:last-child {
                grid-column: span 2;
            }
            .footer-inner {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 639px) {
            #nav {
                height: 56px;
            }
            .nav-logo {
                font-size: 17px;
            }
            .nav-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 12px;
                border-radius: 6px;
            }
            .section-block {
                padding: 48px 16px;
            }
            .hero-inner {
                padding: 24px 16px;
                gap: 24px;
            }
            .hero-text h1 {
                font-size: 24px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
            .hero-buttons .btn-primary,
            .hero-buttons .btn-secondary {
                width: 100%;
                justify-content: center;
                max-width: 300px;
            }
            .hero-score-badge {
                bottom: -10px;
                padding: 8px 14px;
                font-size: 13px;
                gap: 6px;
            }
            .hero-score-badge .score {
                font-size: 15px;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .data-grid {
                grid-template-columns: 1fr;
            }
            .data-grid .data-stat:last-child {
                grid-column: span 1;
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .solution-grid {
                grid-template-columns: 1fr;
            }
            .solution-grid .solution-step:last-child {
                grid-column: span 1;
            }
            .live-score-display {
                flex-direction: column;
                text-align: center;
                gap: 8px;
                padding: 16px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .section-title {
                font-size: 22px;
            }
            .btn-primary,
            .btn-secondary {
                padding: 11px 20px;
                font-size: 14px;
            }
            .mobile-menu-panel {
                width: 280px;
                max-width: 80vw;
            }
        }

        @media (min-width: 640px) and (max-width: 1023px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid .service-card:last-child {
                grid-column: span 2;
                max-width: 400px;
                justify-self: center;
            }
            .solution-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solution-grid .solution-step:last-child {
                grid-column: span 2;
                max-width: 400px;
                justify-self: center;
            }
            .data-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .data-grid .data-stat:last-child {
                grid-column: span 1;
            }
            .cases-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 12px;
            }
        }