:root {
            --primary: #0a1628;
            --primary-light: #1a2a4a;
            --accent: #00c853;
            --accent-dark: #009624;
            --text: #1a1a2e;
            --text-light: #5a6a7a;
            --text-muted: #8a9aaa;
            --bg: #f8fafc;
            --bg-card: #ffffff;
            --border: #e2e8f0;
            --gradient-start: #0a1628;
            --gradient-end: #1e3a5f;
            --glow: rgba(0, 200, 83, 0.15);
        }

 body {
            font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif !important;
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            overflow-x: hidden;
        }
 * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

 /* ===== HERO 区域 ===== */
        .hero {
            min-height: 100vh;
            background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
            position: relative;
            display: flex;
            align-items: center;
            padding: 120px 5% 80px;
            overflow: hidden;
        }

        /* 分子背景动画 */
        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
            pointer-events: none;
        }

        .molecule {
            position: absolute;
            opacity: 0.08;
            animation: float 20s infinite ease-in-out;
        }

        .molecule:nth-child(1) { top: 10%; left: 10%; animation-delay: 0s; }
        .molecule:nth-child(2) { top: 60%; left: 80%; animation-delay: 5s; }
        .molecule:nth-child(3) { top: 30%; left: 60%; animation-delay: 10s; }
        .molecule:nth-child(4) { top: 70%; left: 20%; animation-delay: 15s; }

        @keyframes float {
            0%, 100% { transform: translateY(0) rotate(0deg); }
            50% { transform: translateY(-30px) rotate(10deg); }
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(0, 200, 83, 0.15);
            border: 1px solid rgba(0, 200, 83, 0.3);
            color: var(--accent);
            padding: 0.2rem .4rem;
            border-radius: 50px;
            font-size: 0.45rem;
            font-weight: 500;
            margin-bottom: .9rem;
            animation: fadeInUp 0.8s ease-out;
        }

        .hero-tag::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        .hero h1 {
            font-size: clamp(2rem, 2vw, 3.2rem);
            font-weight: bold;
            color: #fff;
            line-height: 1.2;
            margin-bottom: .5rem;
            animation: fadeInUp 0.8s ease-out 0.2s both;
        }

        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--accent) 0%, #00e676 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: clamp(.6rem, 1.2vw, 1.25rem);
            color: rgba(255,255,255,0.7);
            max-width: 600px;
            margin-bottom: 1.4rem;
            animation: fadeInUp 0.8s ease-out 0.4s both;
        }

        .trust-badges {
            display: flex;
            flex-wrap: wrap;
            gap: .5rem;
            margin-bottom: 1.5rem;
            animation: fadeInUp 0.8s ease-out 0.6s both;
        }

        .badge {
            display: flex;
            align-items: center;
            gap: 0.1rem;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.12);
            color: rgba(255,255,255,0.85);
            padding: 0.2rem .5rem;
            border-radius: 8px;
            font-size: 0.43rem;
            font-weight: 500;
        }

        .badge svg {
            width: 16px;
            height: 16px;
            color: var(--accent);
        }

        .hero-cta-group {
            display: flex;
            gap: .5rem;
            flex-wrap: wrap;
            animation: fadeInUp 0.8s ease-out 0.8s both;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            padding: .55rem 1rem;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 700;
            font-size: .5rem;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 200, 83, 0.35);
        }

        .btn-secondary {
            background: transparent;
            color: #fff;
            padding: .55rem 1rem;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: .5rem;
            border: 1px solid rgba(255,255,255,0.3);
            transition: all 0.3s;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-secondary:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(255,255,255,0.5);
        }

        /* 右侧分子示意图 */
        .hero-visual {
            position: absolute;
            right: 5%;
            top: 50%;
            transform: translateY(-50%);
            width: 400px;
            height: 400px;
            opacity: 0.6;
            pointer-events: none;
        }

        @media (max-width: 1200px) {
            .hero-visual { display: none; }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== 统计条 ===== */
        .stats-bar {
            background: var(--bg-card);
            padding: .6rem 5%;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            border-bottom: 1px solid var(--border);
        }

        .stat-item {
            text-align: center;
            padding: .8rem .5rem;
        }

        .stat-number {
            font-size: 1.2rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
        }

        .stat-number span {
            color: var(--accent);
        }

        .stat-label {
            color: var(--text-light);
            font-size: 0.5rem;
            margin-top: 0.5rem;
        }

        /* ===== 板块通用样式 ===== */
        .section {
            padding: 2rem 3%;
            max-width: 1400px;
            margin: 0 auto;
        }

        .section-header01 {
            text-align: center;
            margin-bottom: 1rem;
        }

        .section-tag {
           display: inline-block;
    background: var(--glow);
    color: var(--accent-dark);
    padding: 0.3rem 0.5rem;
    border-radius: 50px;
    font-size: 0.32rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
        }

        .section-title01 {
            font-size: clamp(1.2rem, 2vw, 2.5rem);
            font-weight: 900;
            color: var(--primary);
            margin-bottom: rem;
        }

        .section-desc {
            color: var(--text-light);
            font-size: .5rem;
            max-width: 600px;
            margin: .5rem auto;
        }

        /* ===== 四大支柱 ===== */
        .pillars-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1rem;
        }

        .pillar-card {
            background: var(--bg-card);
            border-radius: 16px;
            padding: .8rem 1rem;
            border: 1px solid var(--border);
            transition: all 0.4s;
            position: relative;
            overflow: hidden;
        }

        .pillar-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent-dark));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s;
        }

        .pillar-card:hover::before {
            transform: scaleX(1);
        }

        .pillar-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 60px rgba(0,0,0,0.08);
            border-color: rgba(0, 200, 83, 0.2);
        }

        .pillar-icon {
            width: 60px;
            height: 60px;
            background: var(--glow);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: .7rem;
        }

        .pillar-icon svg {
            width: 30px;
            height: 30px;
            color: var(--accent-dark);
        }

        .pillar-card h3 {
            font-size: .6rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.3rem;
        }

        .pillar-card p {
            color: var(--text-light);
            font-size: 0.48rem;
            line-height: 1.8;
            margin-bottom: .5rem;
        }

        .pillar-benefit {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--accent-dark);
            font-size: 0.42rem;
            font-weight: 600;
        }

        .pillar-benefit svg {
            width: 18px;
            height: 18px;
        }

        /* 阶梯图（分子设计卡片专用） */
        .scale-steps {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            margin-top: .5rem;
        }

        .step {
            flex: 1;
            text-align: center;
            padding: 0.3rem 0.2rem;
            background: var(--bg);
            border-radius: 6px;
            font-size: 0.4rem;
            font-weight: 600;
            color: var(--text-light);
            position: relative;
        }

        .step.active {
            background: var(--glow);
            color: var(--accent-dark);
        }

        .step-arrow {
            color: var(--accent);
            font-size: 0.4rem;
        }

        /* ===== 服务流程 ===== */
        .process-section {
            background: linear-gradient(180deg, var(--bg) 0%, #f0f4f8 100%);
        }

        .process-timeline {
            position: relative;
            max-width: 1200px;
            margin: 0 auto;
        }

        .timeline-line {
            position: absolute;
            top: 40px;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent) 0%, var(--accent-dark) 100%);
            border-radius: 3px;
        }

        .timeline-steps {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 1.5rem;
            position: relative;
        }

        .t-step {
            text-align: center;
            cursor: pointer;
            transition: all 0.3s;
        }

        .t-step:hover {
            transform: translateY(-5px);
        }

        .t-step-circle {
            width: 80px;
            height: 80px;
            background: var(--bg-card);
            border: 3px solid var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto .6rem;
            font-size: .8rem;
            font-weight: 800;
            color: var(--accent);
            position: relative;
            z-index: 2;
            transition: all 0.3s;
            box-shadow: 0 4px 20px rgba(0, 200, 83, 0.15);
        }

        .t-step:hover .t-step-circle {
            background: var(--accent);
            color: #fff;
            transform: scale(1.1);
        }

        .t-step-title {
            font-weight: 700;
            color: var(--primary);
            font-size: 0.45rem;
            margin-bottom: 0.1rem;
        }

        .t-step-time {
            font-size: 0.4rem;
            color: var(--accent);
            font-weight: 600;
        }

        .t-step-detail {
            margin-top: .5rem;
            padding: .3rem;
            background: var(--bg-card);
            border-radius: 10px;
            font-size: 0.4rem;
            color: var(--text-light);
            border: 1px solid var(--border);
            opacity: 0;
            transform: translateY(10px);
            transition: all 0.3s;
            pointer-events: none;
        }

        .t-step:hover .t-step-detail {
            opacity: 1;
            transform: translateY(0);
        }

        /* 流程详情面板 */
        .process-detail-panel {
            margin-top: 1rem;
            background: var(--bg-card);
            border-radius: 16px;
            padding: .8rem;
            border: 1px solid var(--border);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            align-items: center;
        }

        .process-case h4 {
            color: var(--primary);
            font-size: .6rem;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .process-case h4 svg {
            color: var(--accent);
        }

        .case-box {
            background: var(--bg);
            border-radius: 12px;
            padding: .5rem .6rem;
            border-left: 4px solid var(--accent);
        }

        .case-box p {
            color: var(--text-light);
            font-size: 0.45rem;
            line-height: 1.8;
        }

        .case-box strong {
            color: var(--primary);
        }

        /* ===== 行业方案 ===== */
        .industry-tabs {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }

        .tab-btn {
            padding: 0.4rem .7rem;
            border: 1px solid var(--border);
            background: var(--bg-card);
            border-radius: 50px;
            cursor: pointer;
            font-size: 0.45rem;
            font-weight: 500;
            color: var(--text-light);
            transition: all 0.3s;
            font-family: inherit;
        }

        .tab-btn:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
        }

        .tab-btn.active {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            box-shadow: 0 4px 15px rgba(0, 200, 83, 0.3);
        }

        .tab-content {
            display: none;
            animation: fadeIn 0.5s;
        }

        .tab-content.active {
            display: block;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .solution-card {
            background: var(--bg-card);
            border-radius: 16px;
            padding: .6rem;
            border: 1px solid var(--border);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            align-items: center;
        }

        .solution-info h3 {
            font-size: .7rem;
            color: var(--primary);
            margin-bottom: .6rem;
        }

        .solution-info p {
            color: var(--text-light);
            margin-bottom: .5rem;
            line-height: 1.8;
        }

        .solution-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem;
            margin-bottom: .5rem;
        }

        .solution-tag {
            background: var(--glow);
            color: var(--accent-dark);
            padding: 0.3rem 0.4rem;
            border-radius: 50px;
            font-size: 0.4rem;
            font-weight: 500;
        }

        .solution-specs {
            background: var(--bg);
            border-radius: 12px;
            padding: .6rem;
        }

        .spec-row {
            display: flex;
            justify-content: space-between;
            padding: 0.4rem 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.46rem;
        }

        .spec-row:last-child {
            border-bottom: none;
        }

        .spec-label {
            color: var(--text-light);
        }

        .spec-value {
            color: var(--primary);
            font-weight: 600;
        }

        .solution-visual {
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
            border-radius: 12px;
            height: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.3);
            font-size: 4rem;
            position: relative;
            overflow: hidden;
        }

        .solution-visual::before {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            border: 2px solid rgba(0, 200, 83, 0.2);
            border-radius: 50%;
            animation: rotate 20s linear infinite;
        }

        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        /* ===== CTA 区域 ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
            padding: 2rem 5%;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0,200,83,0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-content {
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .cta-header {
            text-align: center;
            margin-bottom: 1rem;
        }

        .cta-header h2 {
            font-size: clamp(1.2rem, 2vw, 2.5rem);
            color: #fff;
            font-weight: 800;
            margin-bottom: .2rem;
        }

        .cta-header p {
            color: rgba(255,255,255,0.7);
            font-size: .6rem;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: .5rem;
        }

        .cta-card {
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 16px;
            padding: .6rem;
            text-align: center;
            transition: all 0.4s;
            cursor: pointer;
        }

        .cta-card:hover {
            background: rgba(255,255,255,0.1);
            transform: translateY(-5px);
            border-color: rgba(0, 200, 83, 0.3);
        }

        .cta-card-icon {
            width: 60px;
            height: 60px;
            background: rgba(0, 200, 83, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto .5rem;
        }

        .cta-card-icon svg {
            width: 28px;
            height: 28px;
            color: var(--accent);
        }

        .cta-card h4 {
            color: #fff;
            font-size: .5rem;
            margin-bottom: 0.5rem;
        }

        .cta-card p {
            color: rgba(255,255,255,0.6);
            font-size: 0.45rem;
            margin-bottom: 1.5rem;
        }

        .cta-card .btn-small {
            display: inline-block;
            padding: 0.3rem .5rem;
            background: var(--accent);
            color: #fff;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.45rem;
            transition: all 0.3s;
        }

        .cta-card .btn-small:hover {
            background: var(--accent-dark);
        }


       /* ===== 响应式 ===== */
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .hero { padding: 100px 5% 60px; }
            .section { padding: 60px 5%; }
            .timeline-steps { grid-template-columns: repeat(3, 1fr); }
            .timeline-line { display: none; }
            .process-detail-panel,
            .solution-card { grid-template-columns: 1fr; }
            .t-step-detail { opacity: 1; transform: none; }

        }