:root{
  --bg-primary:#061123;--bg-secondary:#0a1a30;--bg-card:rgba(255,255,255,.055);
  --accent:#00d4ff;--accent-2:#0078ff;--accent-grad:linear-gradient(135deg,#00d4ff,#0078ff);
  --accent-soft:rgba(0,212,255,.13);--accent-glow:0 0 30px rgba(0,212,255,.15);
  --text-1:#eef4fc;--text-2:#a3b8d0;--text-3:#7c93ab;
  --border:rgba(255,255,255,.09);--border-strong:rgba(0,212,255,.28);
  --radius-lg:20px;--radius-md:13px;--radius-sm:8px;
  --shadow-md:0 10px 28px rgba(0,0,0,.35);--shadow-sm:0 4px 12px rgba(0,0,0,.2);
  --sp:84px;--font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-1);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 22px}
.section{padding:var(--sp) 0}
.section-label{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--accent);background:var(--accent-soft);border:1px solid var(--border-strong);padding:5px 14px;border-radius:999px;margin-bottom:14px}
.section-title{font-size:clamp(26px,3.4vw,38px);font-weight:700;line-height:1.3;margin-bottom:12px}
.section-sub{font-size:15px;color:var(--text-2);max-width:680px;margin-bottom:26px}

/* 面包屑 */
.breadcrumb{background:rgba(255,255,255,.03);border-bottom:1px solid var(--border);padding:10px 0}
.crumbs{font-size:13px;color:var(--text-3)}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--accent)}
.crumbs i{font-size:10px;margin:0 8px;color:var(--text-3)}
.crumbs .current{color:var(--text-1);font-weight:600}

/* 公共组件 */
.glass-card{background:var(--bg-card);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--border);border-radius:var(--radius-lg);transition:all .3s ease}
.glass-card:hover{background:rgba(255,255,255,.09);border-color:var(--border-strong);box-shadow:var(--shadow-md),var(--accent-glow);transform:translateY(-3px)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:999px;font-weight:600;font-size:15px;border:none;cursor:pointer;transition:all .3s ease;line-height:1.4}
.btn-primary{background:var(--accent-grad);color:#fff;box-shadow:0 0 22px rgba(0,140,255,.3)}
.btn-primary:hover{box-shadow:0 0 40px rgba(0,200,255,.45);transform:translateY(-2px);color:#fff}
.btn-ghost{background:rgba(255,255,255,.06);color:var(--text-1);border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:rgba(0,212,255,.08)}
.badge{display:inline-block;padding:3px 12px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.5}
.badge-hot{background:rgba(255,90,90,.18);color:#ff8a8a;border:1px solid rgba(255,90,90,.3)}
.badge-new{background:rgba(0,212,255,.14);color:var(--accent);border:1px solid var(--border-strong)}

/* Header */
.site-header{position:sticky;top:0;z-index:999;background:rgba(6,17,35,.82);backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--text-1)}
.brand i{color:var(--accent);font-size:22px}
.main-nav{display:flex;gap:6px}
.nav-link{padding:9px 18px;border-radius:999px;font-size:14px;font-weight:500;color:var(--text-2);transition:all .25s}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.06)}
.nav-link.active{color:var(--accent);background:var(--accent-soft);font-weight:600}
@media(max-width:640px){
  .header-inner{flex-wrap:wrap;height:auto;padding:10px 0;gap:6px}
  .nav-link{padding:7px 12px;font-size:13px}
}

/* 分类页 Hero */
.cat-hero{position:relative;background:url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;padding:110px 0 80px;isolation:isolate}
.cat-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,14,30,.82),rgba(6,17,35,.92) 70%,var(--bg-primary));z-index:-1}
.cat-hero-inner{max-width:820px}
.cat-hero h1{font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.25;margin-bottom:16px}
.cat-hero h1 em{font-style:normal;color:var(--accent)}
.cat-hero p{font-size:16px;color:var(--text-2);line-height:1.85;margin-bottom:24px}

/* 卖点三连 */
.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature-card{padding:30px;position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:var(--accent-grad);border-radius:0 4px 4px 0}
.feature-card .f-icon{width:50px;height:50px;border-radius:14px;background:var(--accent-soft);border:1px solid var(--border-strong);display:flex;align-items:center;justify-content:center;font-size:21px;color:var(--accent);margin-bottom:16px}
.feature-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.feature-card p{font-size:14px;color:var(--text-2);line-height:1.7}
@media(max-width:860px){.feature-strip{grid-template-columns:1fr}}

/* 适用场景 */
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.scene-row{display:flex;gap:16px;align-items:center;padding:22px}
.scene-emoji{flex:0 0 48px;height:48px;border-radius:50%;background:var(--accent-soft);border:1px solid var(--border-strong);display:flex;align-items:center;justify-content:center;font-size:20px}
.scene-txt h4{font-size:16px;font-weight:700;margin-bottom:4px}
.scene-txt p{font-size:13px;color:var(--text-2);line-height:1.6}
@media(max-width:700px){.scene-grid{grid-template-columns:1fr}}

/* 流程步骤 */
.steps-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step-card{padding:26px;position:relative;text-align:center}
.step-card::before{counter-increment:step;content:counter(step);position:absolute;top:-14px;left:50%;transform:translateX(-50%);width:30px;height:30px;background:var(--accent-grad);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;box-shadow:0 0 16px rgba(0,170,255,.35)}
.step-icon{font-size:28px;color:var(--accent);margin:14px 0 10px}
.step-card h3{font-size:15px;font-weight:700;margin-bottom:6px}
.step-card p{font-size:13px;color:var(--text-2);line-height:1.6}
@media(max-width:860px){.steps-wrap{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.steps-wrap{grid-template-columns:1fr}}

/* 场子卡片网格 */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.guide-card{overflow:hidden}
.guide-card .cv{position:relative;height:160px;overflow:hidden}
.guide-card .cv img{width:100%;height:100%;object-fit:cover}
.guide-card .cv::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(6,17,35,.8))}
.guide-card .cv .badge{position:absolute;top:14px;left:14px;z-index:2}
.guide-card .gc-body{padding:22px}
.guide-card h3{font-size:17px;font-weight:700;margin-bottom:6px}
.guide-card .gc-meta{font-size:13px;color:var(--text-3);margin-bottom:10px;display:flex;align-items:center;gap:6px}
.guide-card p{font-size:13px;color:var(--text-2);line-height:1.65;margin-bottom:14px}
.guide-card .gc-score{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--accent);font-weight:700}
@media(max-width:860px){.guide-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.guide-grid{grid-template-columns:1fr}}

/* CTA */
.cat-cta{background:linear-gradient(135deg,rgba(0,140,255,.16),rgba(0,212,255,.05));border:1px solid var(--border-strong);border-radius:var(--radius-lg);padding:42px;text-align:center;position:relative;overflow:hidden}
.cat-cta h2{font-size:24px;font-weight:800;margin-bottom:10px}
.cat-cta p{color:var(--text-2);font-size:14px;margin-bottom:22px;max-width:560px;margin-left:auto;margin-right:auto}
.cat-cta .btn{margin:0 6px}

/* FAQ 简版 */
.faq-mini{max-width:800px;margin:0 auto}
.faq-mini .faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:13px;margin-bottom:12px;overflow:hidden}
.faq-mini .faq-q{display:flex;justify-content:space-between;padding:17px 20px;font-weight:600;font-size:15px;cursor:pointer}
.faq-mini .faq-q i{color:var(--accent);transition:transform .3s}
.faq-mini .faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-mini .faq-a{max-height:0;overflow:hidden;transition:max-height .4s;padding:0 20px;font-size:14px;color:var(--text-2);line-height:1.8}
.faq-mini .faq-item.open .faq-a{max-height:400px;padding-bottom:18px}

/* Footer */
.site-footer{background:#040b18;border-top:1px solid var(--border);padding:50px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px;margin-bottom:32px}
.footer-brand{font-size:20px;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.footer-brand i{color:var(--accent)}
.footer-desc{font-size:13px;color:var(--text-3);max-width:320px;line-height:1.7}
.footer-title{font-size:14px;font-weight:700;margin-bottom:12px}
.footer-links li{margin-bottom:6px}
.footer-links a{font-size:13px;color:var(--text-3);transition:color .2s}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid var(--border);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--text-3)}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}

/* ===== 设计变量 ===== */
        :root {
            --bg-primary: #0a1628;
            --bg-secondary: #0d1b2a;
            --bg-elevated: #132338;
            --accent: #00d4ff;
            --accent-light: #38bdf8;
            --accent-dark: #0099ff;
            --accent-glow: rgba(0, 212, 255, 0.35);
            --text-primary: #e2e8f0;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --border-light: rgba(255, 255, 255, 0.07);
            --border-medium: rgba(255, 255, 255, 0.14);
            --glass-bg: rgba(255, 255, 255, 0.04);
            --glass-bg-hover: rgba(255, 255, 255, 0.08);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 32px var(--accent-glow);
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-width: 1200px;
            --space-section: 90px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            line-height: 1.5;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ===== Header / 导航 ===== */
        .site-header {
            background: rgba(8, 15, 32, 0.88);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 16px;
            flex-wrap: wrap;
            padding: 12px 28px;
            max-width: var(--container-width);
            margin: 0 auto;
        }

        .brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .brand i {
            color: var(--accent);
            font-size: 1.4rem;
            filter: drop-shadow(0 0 8px var(--accent-glow));
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-link {
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid transparent;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .nav-link:hover {
            color: var(--text-primary);
            background: var(--glass-bg);
            border-color: var(--border-light);
        }

        .nav-link.active {
            color: var(--accent);
            background: rgba(0, 212, 255, 0.1);
            border-color: rgba(0, 212, 255, 0.25);
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.12);
        }

        .nav-link:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            background: rgba(10, 22, 40, 0.6);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }

        .breadcrumb-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px 16px;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.86rem;
            color: var(--text-muted);
        }

        .breadcrumb-nav a {
            color: var(--text-muted);
            transition: var(--transition-base);
        }

        .breadcrumb-nav a:hover {
            color: var(--accent);
        }

        .crumb-sep {
            color: var(--text-muted);
            font-size: 0.75rem;
            opacity: 0.6;
        }

        .crumb-current {
            color: var(--accent);
            font-weight: 500;
        }

        .back-link {
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: 30px;
            background: var(--glass-bg);
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
        }

        .back-link:hover {
            color: var(--accent);
            border-color: rgba(0, 212, 255, 0.3);
            background: rgba(0, 212, 255, 0.06);
        }

        .back-link:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== Hero 首屏 ===== */
        .hero-section {
            padding: 76px 0 64px;
            background:
                radial-gradient(ellipse at 15% 25%, rgba(0, 212, 255, 0.14), transparent 50%),
                radial-gradient(ellipse at 85% 70%, rgba(56, 189, 248, 0.1), transparent 45%),
                radial-gradient(ellipse at 50% 100%, rgba(0, 153, 255, 0.06), transparent 60%),
                var(--bg-primary);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 40px;
            right: 10%;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(0, 212, 255, 0.06);
            filter: blur(80px);
            pointer-events: none;
        }

        .hero-inner {
            text-align: center;
            max-width: 780px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent);
            background: rgba(0, 212, 255, 0.1);
            border: 1px solid rgba(0, 212, 255, 0.25);
            margin-bottom: 28px;
            letter-spacing: 0.02em;
        }

        .hero-badge i {
            font-size: 0.85rem;
        }

        .hero-icon-matrix {
            display: flex;
            justify-content: center;
            gap: 14px;
            margin-bottom: 26px;
            flex-wrap: wrap;
        }

        .icon-cell {
            width: 58px;
            height: 58px;
            border-radius: 18px;
            background: var(--glass-bg);
            border: 1px solid var(--border-medium);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--accent);
            transition: var(--transition-base);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .icon-cell:hover {
            background: rgba(0, 212, 255, 0.1);
            border-color: rgba(0, 212, 255, 0.35);
            transform: translateY(-5px) scale(1.04);
            box-shadow: var(--shadow-glow);
        }

        .icon-cell:nth-child(2) {
            color: var(--accent-light);
        }
        .icon-cell:nth-child(3) {
            color: #7dd3fc;
        }
        .icon-cell:nth-child(4) {
            color: var(--accent);
        }

        .hero-status-bar {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 10px 24px;
            border-radius: 40px;
            background: var(--glass-bg);
            border: 1px solid var(--border-light);
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            flex-wrap: wrap;
            justify-content: center;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #22c55e;
            box-shadow: 0 0 10px rgba(34, 197, 94, 0.5);
            animation: pulse-dot 2s ease-in-out infinite;
            flex-shrink: 0;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.8);
            }
        }

        .hero-title {
            font-size: 3.2rem;
            line-height: 1.15;
            font-weight: 900;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
            background: linear-gradient(135deg, #ffffff 30%, #7dd3fc 65%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== 按钮 ===== */
        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, #00d4ff, #0099ff);
            box-shadow: 0 4px 24px rgba(0, 212, 255, 0.4), 0 0 16px rgba(0, 212, 255, 0.2);
            transition: var(--transition-base);
            border: none;
            cursor: pointer;
            letter-spacing: 0.02em;
        }

        .btn-glow:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 36px rgba(0, 212, 255, 0.6), 0 0 30px rgba(0, 212, 255, 0.3);
            background: linear-gradient(135deg, #0dcbff, #0088ff);
        }

        .btn-glow:active {
            transform: translateY(-1px);
            box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
        }

        .btn-glow:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 3px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid var(--border-medium);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-ghost:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(0, 212, 255, 0.05);
            transform: translateY(-2px);
        }

        .btn-ghost:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== 指标看板 ===== */
        .metrics-section {
            padding: var(--space-section) 0;
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
            position: relative;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .metric-card {
            padding: 32px 24px;
            border-radius: var(--radius-lg);
            background: var(--glass-bg);
            border: 1px solid var(--border-light);
            text-align: center;
            transition: var(--transition-base);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            position: relative;
            overflow: hidden;
        }

        .metric-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 15%;
            right: 15%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0;
            transition: var(--transition-base);
        }

        .metric-card:hover {
            background: var(--glass-bg-hover);
            border-color: var(--border-medium);
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .metric-card:hover::after {
            opacity: 1;
        }

        .metric-icon {
            width: 44px;
            height: 44px;
            margin: 0 auto 16px;
            border-radius: 14px;
            background: rgba(0, 212, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent);
        }

        .metric-number {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }

        .metric-number span {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent);
            margin-left: 2px;
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
            margin-bottom: 10px;
        }

        .metric-trend {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 5px;
            padding: 4px 10px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-light);
            width: fit-content;
            margin: 0 auto;
        }

        .metric-trend i {
            color: #22c55e;
            font-size: 0.7rem;
        }

        /* ===== 板块标题 ===== */
        .section-header {
            text-align: center;
            max-width: 660px;
            margin: 0 auto 52px;
        }

        .section-accent {
            display: block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            color: var(--accent);
            margin-bottom: 10px;
            text-transform: uppercase;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .section-header p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ===== 服务矩阵 ===== */
        .services-section {
            padding: var(--space-section) 0;
            background: var(--bg-primary);
            position: relative;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .service-card {
            padding: 34px 30px;
            border-radius: var(--radius-lg);
            background: var(--glass-bg);
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0;
            transition: var(--transition-base);
            transform: translateX(-30%);
        }

        .service-card:hover::before {
            opacity: 1;
            transform: translateX(0);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 32px rgba(0, 212, 255, 0.08);
            border-color: rgba(0, 212, 255, 0.25);
            background: var(--glass-bg-hover);
        }

        .service-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(0, 212, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--accent);
            margin-bottom: 20px;
            border: 1px solid rgba(0, 212, 255, 0.15);
            transition: var(--transition-base);
        }

        .service-card:hover .service-icon {
            background: rgba(0, 212, 255, 0.18);
            border-color: rgba(0, 212, 255, 0.3);
            box-shadow: 0 0 20px rgba(0, 212, 255, 0.15);
        }

        .service-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .service-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag {
            padding: 5px 14px;
            font-size: 0.78rem;
            font-weight: 500;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-light);
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .tag:hover {
            color: var(--accent);
            border-color: rgba(0, 212, 255, 0.3);
            background: rgba(0, 212, 255, 0.06);
        }

        /* ===== 结果对比 ===== */
        .compare-section {
            padding: var(--space-section) 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .compare-layout {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 52px;
            align-items: center;
        }

        .compare-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .compare-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(transparent, rgba(10, 22, 40, 0.7));
            pointer-events: none;
        }

        .compare-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            display: block;
        }

        .compare-image-caption {
            position: absolute;
            bottom: 16px;
            left: 20px;
            z-index: 2;
            font-size: 0.85rem;
            color: #fff;
            background: rgba(10, 22, 40, 0.5);
            padding: 6px 16px;
            border-radius: 20px;
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .compare-content h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-primary);
            line-height: 1.3;
        }

        .compare-content .compare-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .compare-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .compare-item {
            display: flex;
            gap: 16px;
            padding: 20px 22px;
            border-radius: var(--radius-md);
            background: var(--glass-bg);
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
            align-items: flex-start;
        }

        .compare-item:hover {
            border-color: var(--border-medium);
            background: var(--glass-bg-hover);
            transform: translateX(4px);
        }

        .compare-badge {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .compare-badge.bad {
            background: rgba(239, 68, 68, 0.12);
            color: #f87171;
            border: 1px solid rgba(239, 68, 68, 0.2);
        }

        .compare-badge.good {
            background: rgba(34, 197, 94, 0.12);
            color: #4ade80;
            border: 1px solid rgba(34, 197, 94, 0.2);
        }

        .compare-item-title {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .compare-item-text {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

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

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            border-radius: var(--radius-md);
            background: var(--glass-bg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition-base);
        }

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

        .faq-item.active {
            border-color: rgba(0, 212, 255, 0.3);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }

        .faq-question {
            width: 100%;
            padding: 22px 26px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: var(--transition-base);
            background: transparent;
            border: none;
            cursor: pointer;
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-question:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
            border-radius: var(--radius-md);
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--accent);
            border-color: rgba(0, 212, 255, 0.3);
            background: rgba(0, 212, 255, 0.1);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 26px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.75;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 24px;
        }

        /* ===== CTA / 表单 ===== */
        .cta-section {
            padding: var(--space-section) 0;
            background:
                linear-gradient(rgba(10, 22, 40, 0.88), rgba(10, 22, 40, 0.95)),
                url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            border-top: 1px solid var(--border-light);
            position: relative;
        }

        .cta-panel {
            max-width: 720px;
            margin: 0 auto;
            padding: 52px 48px;
            border-radius: var(--radius-lg);
            background: rgba(13, 27, 42, 0.7);
            border: 1px solid var(--border-medium);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            text-align: center;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
        }

        .cta-panel h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .cta-panel>p {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .apply-form {
            text-align: left;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 16px;
        }

        .apply-form input,
        .apply-form select,
        .apply-form textarea {
            width: 100%;
            padding: 13px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-medium);
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-primary);
            font-size: 0.92rem;
            transition: var(--transition-base);
            appearance: none;
            -webkit-appearance: none;
        }

        .apply-form input::placeholder,
        .apply-form textarea::placeholder {
            color: var(--text-muted);
        }

        .apply-form input:focus,
        .apply-form select:focus,
        .apply-form textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15), 0 0 16px rgba(0, 212, 255, 0.1);
            background: rgba(255, 255, 255, 0.07);
        }

        .apply-form textarea {
            min-height: 100px;
            resize: vertical;
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .apply-form select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            background-size: 14px;
            cursor: pointer;
        }

        .apply-form select option {
            background: var(--bg-secondary);
            color: var(--text-primary);
            padding: 8px;
        }

        .form-submit {
            text-align: center;
            margin-top: 8px;
        }

        .form-submit .btn-glow {
            min-width: 200px;
            justify-content: center;
        }

        .form-note {
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 16px;
            line-height: 1.6;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #071222;
            border-top: 1px solid var(--border-light);
            padding: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 48px;
            padding: 56px 0 40px;
        }

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand i {
            color: var(--accent);
            font-size: 1.35rem;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 360px;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            color: var(--text-primary);
            position: relative;
            padding-bottom: 8px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            font-size: 0.88rem;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition-base);
            line-height: 1.5;
        }

        .footer-links a:hover {
            color: var(--accent);
            transform: translateX(4px);
        }

        .footer-links a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .footer-links a i {
            color: var(--accent);
            font-size: 0.9rem;
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px 16px;
            padding: 20px 0;
            border-top: 1px solid var(--border-light);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root {
                --space-section: 70px;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .services-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .compare-layout {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .compare-image img {
                height: 320px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }

            .hero-title {
                font-size: 2.6rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-direction: column;
                align-items: flex-start;
                padding: 14px 20px;
            }

            .main-nav {
                width: 100%;
                justify-content: flex-start;
                gap: 4px;
                flex-wrap: wrap;
            }

            .nav-link {
                padding: 6px 14px;
                font-size: 0.82rem;
            }

            .hero-section {
                padding: 56px 0 44px;
            }

            .hero-title {
                font-size: 2.2rem;
            }

            .hero-subtitle {
                font-size: 1rem;
                line-height: 1.6;
            }

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

            .compare-layout {
                gap: 28px;
            }

            .cta-panel {
                padding: 36px 24px;
                margin: 0 16px;
            }

            .form-row {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 40px 0 28px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .section-header h2 {
                font-size: 1.7rem;
            }

            .metric-card {
                padding: 24px 18px;
            }

            .metric-number {
                font-size: 2rem;
            }

            .hero-icon-matrix {
                gap: 10px;
            }

            .icon-cell {
                width: 48px;
                height: 48px;
                border-radius: 14px;
                font-size: 20px;
            }

            .hero-status-bar {
                padding: 8px 16px;
                font-size: 0.8rem;
            }

            .breadcrumb-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .hero-section {
                padding: 40px 0 36px;
            }

            .hero-title {
                font-size: 1.7rem;
                letter-spacing: -0.01em;
            }

            .hero-subtitle {
                font-size: 0.92rem;
                line-height: 1.65;
                margin-bottom: 24px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
                gap: 12px;
                width: 100%;
            }

            .btn-glow,
            .btn-ghost {
                width: 100%;
                justify-content: center;
                padding: 14px 20px;
            }

            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .metric-card {
                padding: 22px 16px;
            }

            .metric-number {
                font-size: 2.2rem;
            }

            .services-grid {
                gap: 14px;
            }

            .service-card {
                padding: 24px 20px;
            }

            .compare-list {
                gap: 12px;
            }

            .compare-item {
                padding: 16px;
                flex-direction: column;
                gap: 10px;
            }

            .compare-badge {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }

            .compare-item-title {
                font-size: 0.92rem;
            }

            .compare-item-text {
                font-size: 0.85rem;
            }

            .faq-question {
                padding: 18px 18px;
                font-size: 0.92rem;
            }

            .faq-answer {
                padding: 0 18px;
                font-size: 0.88rem;
            }

            .cta-panel {
                padding: 28px 20px;
                margin: 0;
            }

            .cta-panel h2 {
                font-size: 1.4rem;
            }

            .apply-form {
                margin-top: 8px;
            }

            .apply-form input,
            .apply-form select,
            .apply-form textarea {
                padding: 11px 14px;
                font-size: 0.88rem;
            }

            .footer-brand {
                font-size: 1.1rem;
            }

            .footer-desc {
                font-size: 0.82rem;
            }
        }

        /* ===== 动画 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-badge,
        .hero-icon-matrix,
        .hero-status-bar,
        .hero-title,
        .hero-subtitle,
        .hero-actions {
            animation: fadeInUp 0.6s ease both;
        }

        .hero-icon-matrix {
            animation-delay: 0.1s;
        }
        .hero-status-bar {
            animation-delay: 0.2s;
        }
        .hero-title {
            animation-delay: 0.3s;
        }
        .hero-subtitle {
            animation-delay: 0.4s;
        }
        .hero-actions {
            animation-delay: 0.5s;
        }