/* roulang page: index */
:root{
      --ink:#111816;
      --obsidian:#141816;
      --graphite:#202723;
      --deep:#0d201c;
      --muted:#5e6a65;
      --soft:#eef3ef;
      --mist:#f7f5ef;
      --card:#ffffff;
      --line:rgba(39,70,63,.14);
      --line-dark:rgba(234,245,239,.16);
      --teal:#20d6b0;
      --teal-2:#0da889;
      --champagne:#d6b47a;
      --amber:#f2c36b;
      --danger-soft:#fff4d9;
      --shadow:0 20px 55px rgba(18,31,28,.12);
      --shadow-soft:0 12px 32px rgba(18,31,28,.08);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1200px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      background:var(--mist);
      color:var(--ink);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer;background:none}
    :focus-visible{outline:3px solid rgba(32,214,176,.38);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:92px 0}
    .section-tight{padding:72px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border:1px solid rgba(32,214,176,.35);
      border-radius:999px;background:rgba(32,214,176,.08);
      color:#0b735f;font-size:14px;font-weight:700;
    }
    .eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 5px rgba(32,214,176,.12)}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-head h2{font-size:34px;line-height:1.25;letter-spacing:-.02em;color:var(--obsidian);max-width:680px}
    .section-head p{color:var(--muted);max-width:440px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:12px 22px;border-radius:999px;
      font-weight:800;letter-spacing:.01em;transition:var(--ease);
      border:1px solid transparent;white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--teal),#7ee8cf);color:#08211c;box-shadow:0 12px 24px rgba(32,214,176,.22)}
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(32,214,176,.28)}
    .btn-secondary{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.22);color:#f3fbf8}
    .btn-secondary:hover{background:rgba(255,255,255,.14);border-color:rgba(32,214,176,.55)}
    .btn-light{background:#fff;border-color:var(--line);color:var(--obsidian)}
    .btn-light:hover{transform:translateY(-2px);border-color:rgba(32,214,176,.55);box-shadow:var(--shadow-soft)}
    .tag{
      display:inline-flex;align-items:center;gap:6px;
      padding:6px 10px;border-radius:999px;
      background:#eef8f4;color:#13725f;border:1px solid rgba(32,214,176,.18);
      font-size:13px;font-weight:700;
    }
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(20,24,22,.94);
      border-bottom:1px solid var(--line-dark);
      backdrop-filter:saturate(140%) blur(10px);
    }
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .logo{
      display:flex;align-items:center;gap:12px;min-width:0;color:#fff;font-weight:900;
      letter-spacing:.01em;
    }
    .logo-mark{
      width:42px;height:42px;border-radius:14px;
      background:linear-gradient(135deg,var(--teal),var(--champagne));
      display:grid;place-items:center;color:#0d1a17;font-weight:950;
      box-shadow:0 10px 24px rgba(32,214,176,.18);
    }
    .logo-text{display:flex;flex-direction:column;line-height:1.2}
    .logo-text strong{font-size:17px}
    .logo-text span{font-size:12px;color:#b8c5c0;font-weight:600}
    .main-nav{display:flex;align-items:center;gap:8px}
    .main-nav a{
      position:relative;padding:10px 14px;border-radius:999px;color:#dbe7e2;font-weight:700;font-size:15px;
      transition:var(--ease);
    }
    .main-nav a:hover{color:var(--teal);background:rgba(255,255,255,.05)}
    .main-nav a.active{color:#09201b;background:var(--teal)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .menu-toggle{display:none;width:44px;height:44px;border-radius:14px;background:rgba(255,255,255,.08);color:#fff}
    .menu-toggle span{display:block;width:20px;height:2px;background:#fff;margin:5px auto;border-radius:5px;transition:var(--ease)}
    .hero{
      position:relative;min-height:690px;color:#fff;overflow:hidden;
      background:
        linear-gradient(115deg,rgba(13,20,18,.96),rgba(13,32,28,.84) 52%,rgba(13,32,28,.66)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero::before{
      content:"";position:absolute;inset:0;
      background-image:
        linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
      background-size:54px 54px;opacity:.28;
      mask-image:linear-gradient(to bottom,#000,transparent 82%);
    }
    .hero::after{
      content:"";position:absolute;width:520px;height:520px;border-radius:50%;
      right:-140px;top:90px;background:radial-gradient(circle,rgba(32,214,176,.28),transparent 66%);
      filter:blur(10px);
    }
    .hero-inner{
      position:relative;z-index:1;
      display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center;
      padding:92px 0 78px;
    }
    .hero-copy h1{
      margin-top:20px;font-size:54px;line-height:1.12;letter-spacing:-.035em;max-width:720px;
    }
    .hero-copy h1 span{color:var(--teal)}
    .hero-copy p{margin-top:22px;color:#d8e8e2;font-size:18px;max-width:660px}
    .hero-cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
    .hero-note{
      margin-top:28px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:680px;
    }
    .note-pill{
      padding:14px 15px;border-radius:18px;background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.13);color:#eaf7f2;
    }
    .note-pill b{display:block;color:var(--teal);font-size:14px}
    .note-pill small{color:#b9c9c4}
    .hero-board{
      position:relative;border-radius:32px;padding:18px;
      background:linear-gradient(145deg,rgba(255,255,255,.16),rgba(255,255,255,.05));
      border:1px solid rgba(255,255,255,.18);
      box-shadow:0 28px 80px rgba(0,0,0,.28);
    }
    .board-top{
      display:flex;align-items:center;justify-content:space-between;padding:15px 16px 18px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .traffic{display:flex;gap:7px}.traffic i{width:10px;height:10px;border-radius:50%;background:var(--champagne)}.traffic i:nth-child(2){background:var(--teal)}.traffic i:nth-child(3){background:#8fb2a8}
    .board-top span{font-size:13px;color:#cfe0da}
    .panel-stack{padding:18px;display:grid;gap:16px}
    .status-card{
      border-radius:22px;padding:22px;background:#f6fbf8;color:var(--obsidian);
      display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;
    }
    .status-icon{
      width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--teal),#baf3e3);
      display:grid;place-items:center;font-weight:950;color:#0b211c;
    }
    .status-card h3{font-size:20px;margin-bottom:5px}
    .status-card p{color:#55645f;font-size:14px}
    .mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .mini-card{
      padding:18px;border-radius:20px;background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.13);
    }
    .mini-card b{display:block;color:#fff;margin-bottom:8px}
    .mini-card span{display:block;color:#c2d3ce;font-size:14px}
    .route-strip{
      margin-top:2px;padding:16px;border-radius:20px;background:rgba(32,214,176,.12);
      border:1px solid rgba(32,214,176,.25);display:flex;align-items:center;justify-content:space-between;gap:14px;
    }
    .route-strip span{color:#dff7ef;font-weight:800}
    .route-strip em{font-style:normal;color:var(--champagne);font-size:13px}
    .steps-wrap{
      display:grid;grid-template-columns:.8fr 1.2fr;gap:32px;align-items:center;
    }
    .intro-card{
      border-radius:var(--radius-xl);padding:34px;background:var(--obsidian);color:#fff;box-shadow:var(--shadow);
      position:relative;overflow:hidden;
    }
    .intro-card::after{content:"";position:absolute;width:180px;height:180px;right:-70px;bottom:-70px;border-radius:50%;background:rgba(32,214,176,.22)}
    .intro-card h2{font-size:31px;line-height:1.25;margin:14px 0}
    .intro-card p{color:#cbdad5}
    .step-ladder{display:grid;gap:18px}
    .step-item{
      display:grid;grid-template-columns:86px 1fr;gap:20px;align-items:center;
      padding:22px;border-radius:22px;background:#fff;border:1px solid var(--line);
      box-shadow:var(--shadow-soft);transition:var(--ease);
    }
    .step-item:nth-child(2){margin-left:34px}
    .step-item:nth-child(3){margin-left:68px}
    .step-item:hover{transform:translateY(-4px);border-color:rgba(32,214,176,.45)}
    .step-num{
      height:64px;border-radius:18px;display:grid;place-items:center;
      background:#eef8f4;color:#0a8069;font-size:22px;font-weight:950;
    }
    .step-item h3{font-size:20px;margin-bottom:4px}
    .step-item p{color:var(--muted)}
    .feature-zone{background:#eef3ef}
    .feature-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
    .feature-main{
      min-height:430px;border-radius:30px;overflow:hidden;position:relative;color:#fff;box-shadow:var(--shadow);
      background:linear-gradient(0deg,rgba(10,20,18,.78),rgba(10,20,18,.2)),url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
      display:flex;align-items:flex-end;
    }
    .feature-main-content{padding:38px}
    .feature-main-content h2{font-size:34px;line-height:1.25;margin:14px 0}
    .feature-main-content p{color:#e5f1ec;max-width:560px}
    .feature-side{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .feature-card{
      padding:24px;border-radius:24px;background:#fff;border:1px solid var(--line);
      min-height:198px;transition:var(--ease);box-shadow:0 8px 24px rgba(18,31,28,.05);
    }
    .feature-card:hover{transform:translateY(-4px);border-color:rgba(32,214,176,.55);box-shadow:var(--shadow-soft)}
    .feature-card .icon{
      width:42px;height:42px;border-radius:14px;background:#e7f8f2;color:#0a8069;
      display:grid;place-items:center;font-weight:950;margin-bottom:18px;
    }
    .feature-card h3{font-size:19px;margin-bottom:8px}
    .feature-card p{color:var(--muted);font-size:15px}
    .safety-panel{
      border-radius:34px;background:linear-gradient(135deg,#16211e,#102e28);
      color:#fff;overflow:hidden;display:grid;grid-template-columns:.95fr 1.05fr;box-shadow:var(--shadow);
    }
    .safety-copy{padding:44px}
    .safety-copy h2{font-size:34px;line-height:1.25;margin:14px 0}
    .safety-copy p{color:#cddbd6}
    .safety-list{padding:34px;background:rgba(255,255,255,.05);display:grid;gap:14px}
    .safety-item{
      display:grid;grid-template-columns:36px 1fr;gap:14px;padding:18px;border-radius:18px;
      background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
    }
    .safety-item b{color:var(--teal)}
    .safety-item p{color:#d3e2dc;font-size:15px}
    .safety-item .check{
      width:36px;height:36px;border-radius:12px;background:rgba(32,214,176,.16);
      display:grid;place-items:center;color:var(--teal);font-weight:950;
    }
    .index-box{
      display:grid;grid-template-columns:.82fr 1.18fr;gap:26px;align-items:stretch;
    }
    .index-tabs{
      border-radius:28px;background:#fff;border:1px solid var(--line);padding:24px;box-shadow:var(--shadow-soft);
    }
    .index-tabs h2{font-size:30px;line-height:1.25;margin:14px 0}
    .index-tabs p{color:var(--muted);margin-bottom:20px}
    .tab-pills{display:flex;flex-wrap:wrap;gap:10px}
    .tab-pills span{padding:9px 12px;border-radius:999px;background:#f2f6f3;border:1px solid var(--line);font-weight:800;color:#41524c}
    .index-entry{
      border-radius:28px;padding:26px;background:#fff;border:1px solid var(--line);
      display:grid;grid-template-columns:1fr auto;gap:22px;align-items:center;box-shadow:var(--shadow-soft);
      transition:var(--ease);
    }
    .index-entry:hover{transform:translateY(-4px);border-color:rgba(32,214,176,.5)}
    .index-entry h3{font-size:24px;margin:8px 0}
    .index-entry p{color:var(--muted);max-width:640px}
    .angle-badge{
      display:inline-flex;padding:6px 10px;border-radius:999px;background:rgba(214,180,122,.14);
      color:#8a6328;font-size:13px;font-weight:900;border:1px solid rgba(214,180,122,.28);
    }
    .scene{
      display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;
    }
    .scene-media{
      position:relative;border-radius:32px;overflow:hidden;box-shadow:var(--shadow);min-height:460px;background:#ddd;
    }
    .scene-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
    .scene-media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(15,22,20,.55),transparent)}
    .scene-card{
      padding:38px;border-radius:30px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-soft);
    }
    .scene-card h2{font-size:34px;line-height:1.25;margin:14px 0}
    .scene-card p{color:var(--muted)}
    .scene-list{margin-top:24px;display:grid;gap:12px}
    .scene-list li{
      list-style:none;padding:15px 16px;border-radius:16px;background:#f4f8f5;border:1px solid var(--line);
      display:flex;gap:10px;align-items:flex-start;color:#34423d;
    }
    .scene-list li::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--teal);margin-top:9px;flex:0 0 auto}
    .proof-grid{
      display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px;
    }
    .proof-card{
      padding:24px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-soft);
    }
    .proof-card b{font-size:28px;color:#0b806a}
    .proof-card h3{font-size:19px;margin:8px 0}
    .proof-card p{color:var(--muted);font-size:15px}
    .faq-wrap{max-width:920px;margin:0 auto}
    .faq-item{
      border:1px solid var(--line);background:#fff;border-radius:20px;margin-bottom:14px;overflow:hidden;
      box-shadow:0 8px 22px rgba(18,31,28,.04);
    }
    .faq-q{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:20px 22px;text-align:left;color:var(--obsidian);font-weight:900;
    }
    .faq-q span{font-size:18px}
    .faq-q i{font-style:normal;width:30px;height:30px;border-radius:10px;background:#eef8f4;color:#0c8069;display:grid;place-items:center;transition:var(--ease)}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;background:#f5faf7}
    .faq-a p{padding:0 22px 20px;color:var(--muted)}
    .faq-item.open{border-color:rgba(32,214,176,.55)}
    .faq-item.open .faq-a{max-height:180px}
    .faq-item.open .faq-q i{transform:rotate(45deg);background:var(--teal);color:#09201b}
    .cta-band{
      border-radius:34px;padding:44px;background:
        linear-gradient(110deg,rgba(17,24,22,.94),rgba(15,54,47,.86)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;
      box-shadow:var(--shadow);
    }
    .cta-band h2{font-size:32px;line-height:1.25;margin-bottom:10px}
    .cta-band p{color:#d6e5df;max-width:720px}
    .site-footer{
      background:#111816;color:#c7d4cf;margin-top:80px;border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-main{
      padding:54px 0;display:grid;grid-template-columns:1.15fr .85fr .85fr 1.05fr;gap:34px;
    }
    .footer-brand h2{font-size:22px;color:#fff;margin-bottom:12px}
    .footer-brand p,.footer-col p{color:#aebdb8;font-size:15px}
    .footer-col h3{font-size:16px;color:#fff;margin-bottom:14px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#b8c8c2;transition:var(--ease)}
    .footer-links a:hover{color:var(--teal);padding-left:3px}
    .risk-note{
      padding:16px;border-radius:18px;background:rgba(242,195,107,.1);
      border:1px solid rgba(242,195,107,.22);color:#ead7ad;font-size:14px;
    }
    .copyright{
      border-top:1px solid rgba(255,255,255,.08);
      padding:18px 0;color:#91a19b;font-size:14px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    }
    @media (max-width:1024px){
      .nav-actions .btn-secondary{display:none}
      .hero-inner,.steps-wrap,.feature-layout,.safety-panel,.index-box,.scene{grid-template-columns:1fr}
      .hero-copy h1{font-size:46px}
      .step-item:nth-child(2),.step-item:nth-child(3){margin-left:0}
      .footer-main{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:62px 0}.section-tight{padding:52px 0}
      .menu-toggle{display:block}
      .main-nav{
        position:absolute;left:14px;right:14px;top:84px;display:none;flex-direction:column;align-items:stretch;
        padding:14px;background:#18211e;border:1px solid var(--line-dark);border-radius:22px;box-shadow:0 20px 45px rgba(0,0,0,.22)
      }
      .main-nav.show{display:flex}
      .main-nav a{padding:14px 16px}
      .nav-actions{display:none}
      .hero{min-height:auto}
      .hero-inner{padding:62px 0 52px;gap:30px}
      .hero-copy h1{font-size:36px}
      .hero-copy p{font-size:16px}
      .hero-note{grid-template-columns:1fr}
      .hero-cta .btn{width:100%}
      .mini-grid,.feature-side,.proof-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .section-head h2{font-size:28px;margin-top:12px}
      .section-head p{margin-top:12px}
      .step-item{grid-template-columns:1fr}
      .safety-copy,.feature-main-content,.scene-card,.cta-band{padding:28px}
      .index-entry{grid-template-columns:1fr}
      .cta-band{grid-template-columns:1fr}
      .footer-main{grid-template-columns:1fr}
      .logo-text strong{font-size:15px}
    }
    @media (max-width:520px){
      .nav-wrap{height:70px}
      .logo-mark{width:38px;height:38px;border-radius:12px}
      .logo-text span{display:none}
      .hero-copy h1{font-size:31px}
      .hero-board{padding:12px;border-radius:24px}
      .panel-stack{padding:12px}
      .status-card{grid-template-columns:1fr}
      .section-head h2,.feature-main-content h2,.safety-copy h2,.scene-card h2{font-size:26px}
      .proof-card b{font-size:24px}
      .copyright{display:block}
    }

/* roulang page: category1 */
:root {
      --color-obsidian: #111816;
      --color-graphite: #17211f;
      --color-ink: #1b2926;
      --color-teal: #23d8b4;
      --color-teal-dark: #0fa889;
      --color-teal-soft: #e8fbf6;
      --color-copper: #c6a16a;
      --color-champagne: #f3eadb;
      --color-bg: #f4f7f4;
      --color-panel: #ffffff;
      --color-muted: #66736f;
      --color-light: #d7e3df;
      --color-border: rgba(20, 55, 49, 0.14);
      --color-warning-bg: #fff5dd;
      --color-warning: #8a6320;
      --shadow-soft: 0 18px 48px rgba(13, 35, 31, 0.11);
      --shadow-card: 0 10px 30px rgba(14, 39, 35, 0.08);
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --container: 1200px;
      --ease: 180ms ease;
    }

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

    html {
      scroll-behavior: smooth;
      text-size-adjust: 100%;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--color-ink);
      background:
        radial-gradient(circle at 8% 5%, rgba(35, 216, 180, 0.12), transparent 28%),
        linear-gradient(180deg, #f7faf7 0%, var(--color-bg) 45%, #eef4f1 100%);
      line-height: 1.78;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), background var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
    }

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

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
      background: none;
    }

    :focus-visible {
      outline: 3px solid rgba(35, 216, 180, 0.55);
      outline-offset: 3px;
      border-radius: 10px;
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(17, 24, 22, 0.94);
      border-bottom: 1px solid rgba(215, 227, 223, 0.12);
      backdrop-filter: blur(10px);
    }

    .header-inner {
      min-height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #f6fbf9;
      font-weight: 800;
      letter-spacing: 0.01em;
      white-space: nowrap;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: var(--color-obsidian);
      font-weight: 900;
      background: linear-gradient(135deg, var(--color-teal), #b8f4df 54%, var(--color-copper));
      box-shadow: 0 0 0 6px rgba(35, 216, 180, 0.09);
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.18;
    }

    .brand-text strong {
      font-size: 18px;
    }

    .brand-text span {
      color: rgba(246, 251, 249, 0.62);
      font-size: 12px;
      font-weight: 500;
      margin-top: 3px;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 999px;
    }

    .main-nav a {
      color: rgba(246, 251, 249, 0.78);
      font-size: 15px;
      padding: 9px 18px;
      border-radius: 999px;
      position: relative;
    }

    .main-nav a:hover,
    .main-nav a.active {
      color: #10211d;
      background: var(--color-teal);
      box-shadow: 0 8px 22px rgba(35, 216, 180, 0.18);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      border: 1px solid rgba(255, 255, 255, 0.14);
      color: #f7fffc;
      background: rgba(255, 255, 255, 0.05);
    }

    .menu-toggle span {
      display: block;
      width: 20px;
      height: 2px;
      background: currentColor;
      margin: 5px auto;
      border-radius: 99px;
      transition: transform var(--ease), opacity var(--ease);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 20px;
      border-radius: 999px;
      font-weight: 700;
      line-height: 1;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .btn-primary {
      color: #0d1c19;
      background: linear-gradient(135deg, var(--color-teal), #a9f5df);
      box-shadow: 0 14px 28px rgba(35, 216, 180, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.36);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 36px rgba(35, 216, 180, 0.28);
    }

    .btn-secondary {
      color: var(--color-ink);
      background: rgba(255, 255, 255, 0.78);
      border-color: var(--color-border);
    }

    .btn-secondary:hover {
      border-color: rgba(35, 216, 180, 0.5);
      background: #ffffff;
      transform: translateY(-2px);
      box-shadow: var(--shadow-card);
    }

    .btn-dark {
      color: #effaf7;
      background: var(--color-graphite);
      border-color: rgba(255, 255, 255, 0.08);
    }

    .btn-dark:hover {
      background: #0e2420;
      border-color: rgba(35, 216, 180, 0.4);
      transform: translateY(-2px);
    }

    .page-hero {
      position: relative;
      padding: 72px 0 54px;
      overflow: hidden;
      background:
        linear-gradient(120deg, rgba(17, 24, 22, 0.92), rgba(18, 47, 42, 0.82)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      color: #f8fffc;
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
      background-size: 44px 44px;
      mask-image: linear-gradient(90deg, rgba(0,0,0,0.6), transparent 78%);
      pointer-events: none;
    }

    .page-hero::after {
      content: "";
      position: absolute;
      right: -120px;
      top: -160px;
      width: 440px;
      height: 440px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(35, 216, 180, 0.25), transparent 68%);
      pointer-events: none;
    }

    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.7fr);
      gap: 44px;
      align-items: center;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      color: rgba(248, 255, 252, 0.72);
      font-size: 14px;
      margin-bottom: 22px;
    }

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

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      color: #12221f;
      background: rgba(185, 247, 225, 0.9);
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-teal-dark);
      box-shadow: 0 0 0 5px rgba(15, 168, 137, 0.18);
    }

    h1 {
      font-size: clamp(32px, 5vw, 54px);
      line-height: 1.12;
      letter-spacing: -0.035em;
      max-width: 860px;
      margin-bottom: 22px;
    }

    .hero-lead {
      max-width: 760px;
      color: rgba(248, 255, 252, 0.82);
      font-size: 18px;
      line-height: 1.9;
      margin-bottom: 28px;
    }

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

    .hero-panel {
      position: relative;
      padding: 22px;
      border-radius: var(--radius-xl);
      background: rgba(247, 252, 250, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.16);
      box-shadow: 0 24px 70px rgba(0, 0, 0, 0.2);
    }

    .hero-panel img {
      border-radius: 22px;
      height: 250px;
      width: 100%;
      object-fit: cover;
      opacity: 0.92;
      border: 1px solid rgba(255, 255, 255, 0.16);
    }

    .panel-list {
      margin-top: -32px;
      position: relative;
      display: grid;
      gap: 12px;
    }

    .panel-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 14px 16px;
      border-radius: 18px;
      color: #effaf7;
      background: rgba(17, 24, 22, 0.82);
      border: 1px solid rgba(35, 216, 180, 0.22);
      backdrop-filter: blur(8px);
    }

    .panel-item strong {
      font-size: 15px;
    }

    .panel-item span {
      color: rgba(239, 250, 247, 0.66);
      font-size: 13px;
    }

    .panel-status {
      color: var(--color-teal);
      font-weight: 800;
      font-size: 13px;
      white-space: nowrap;
    }

    main {
      position: relative;
    }

    .section {
      padding: 84px 0;
    }

    .section.compact {
      padding-top: 58px;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      gap: 28px;
      align-items: end;
      margin-bottom: 34px;
    }

    .section-title {
      max-width: 720px;
    }

    .section-title .kicker {
      color: var(--color-teal-dark);
      font-weight: 900;
      letter-spacing: 0.04em;
      margin-bottom: 8px;
      display: inline-block;
    }

    h2 {
      font-size: clamp(28px, 4vw, 38px);
      line-height: 1.22;
      letter-spacing: -0.025em;
      color: var(--color-ink);
    }

    .section-desc {
      max-width: 520px;
      color: var(--color-muted);
      font-size: 16px;
    }

    .tag-row {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      padding: 18px;
      border-radius: 24px;
      background: rgba(255, 255, 255, 0.72);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-card);
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 8px 14px;
      border-radius: 999px;
      color: #25413b;
      background: #eef6f3;
      border: 1px solid rgba(20, 55, 49, 0.1);
      font-weight: 700;
      font-size: 14px;
    }

    .tag.active,
    .tag:hover {
      color: #0d1c19;
      background: var(--color-teal);
      border-color: var(--color-teal);
    }

    .guide-layout {
      display: grid;
      grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
      gap: 28px;
      align-items: stretch;
    }

    .feature-card {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-xl);
      background: var(--color-panel);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
      min-height: 100%;
    }

    .feature-card .cover {
      height: 255px;
      width: 100%;
      object-fit: cover;
    }

    .feature-body {
      padding: 28px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 11px;
      border-radius: 999px;
      background: var(--color-champagne);
      color: #6f5528;
      font-weight: 800;
      font-size: 13px;
      margin-bottom: 14px;
    }

    .feature-body h3 {
      font-size: 25px;
      line-height: 1.28;
      margin-bottom: 12px;
    }

    .feature-body p {
      color: var(--color-muted);
      margin-bottom: 20px;
    }

    .check-list {
      display: grid;
      gap: 12px;
      list-style: none;
    }

    .check-list li {
      display: grid;
      grid-template-columns: 24px 1fr;
      gap: 10px;
      color: #394844;
    }

    .check-list li::before {
      content: "✓";
      width: 24px;
      height: 24px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: #0d1c19;
      background: var(--color-teal);
      font-weight: 900;
      line-height: 1;
      margin-top: 2px;
    }

    .guide-list {
      display: grid;
      gap: 16px;
    }

    .guide-item {
      display: grid;
      grid-template-columns: 58px 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 20px;
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.82);
      border: 1px solid var(--color-border);
      box-shadow: 0 8px 22px rgba(14, 39, 35, 0.05);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .guide-item:hover {
      transform: translateY(-4px);
      border-color: rgba(35, 216, 180, 0.55);
      box-shadow: var(--shadow-card);
      background: #ffffff;
    }

    .guide-num {
      width: 58px;
      height: 58px;
      display: grid;
      place-items: center;
      border-radius: 18px;
      color: var(--color-teal);
      background: var(--color-graphite);
      font-weight: 900;
      letter-spacing: 0.02em;
    }

    .guide-content h3 {
      font-size: 19px;
      margin-bottom: 5px;
    }

    .guide-content p {
      color: var(--color-muted);
      font-size: 15px;
      line-height: 1.7;
    }

    .item-meta {
      display: grid;
      gap: 10px;
      justify-items: end;
      min-width: 118px;
    }

    .meta-date {
      color: #7b8883;
      font-size: 13px;
      white-space: nowrap;
    }

    .read-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--color-teal-dark);
      font-weight: 900;
      font-size: 14px;
    }

    .read-link:hover {
      color: var(--color-ink);
    }

    .process-wrap {
      border-radius: var(--radius-xl);
      padding: 34px;
      background:
        linear-gradient(135deg, rgba(23, 33, 31, 0.96), rgba(13, 56, 48, 0.94)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      color: #f5fffc;
      box-shadow: var(--shadow-soft);
      overflow: hidden;
      position: relative;
    }

    .process-wrap::after {
      content: "";
      position: absolute;
      inset: auto -100px -170px auto;
      width: 360px;
      height: 360px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(35, 216, 180, 0.2), transparent 66%);
    }

    .process-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 26px;
    }

    .process-step {
      padding: 22px;
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.07);
      border: 1px solid rgba(255, 255, 255, 0.13);
    }

    .process-step strong {
      display: inline-grid;
      place-items: center;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: var(--color-teal);
      color: #0c1c18;
      margin-bottom: 14px;
      font-weight: 900;
    }

    .process-step h3 {
      font-size: 18px;
      margin-bottom: 8px;
    }

    .process-step p {
      color: rgba(245, 255, 252, 0.75);
      font-size: 14px;
      line-height: 1.7;
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .scenario-card {
      padding: 24px;
      border-radius: 24px;
      background: var(--color-panel);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-card);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .scenario-card:hover {
      transform: translateY(-4px);
      border-color: rgba(35, 216, 180, 0.55);
      box-shadow: var(--shadow-soft);
    }

    .scenario-icon {
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      background: var(--color-teal-soft);
      color: var(--color-teal-dark);
      font-size: 22px;
      margin-bottom: 16px;
    }

    .scenario-card h3 {
      font-size: 20px;
      margin-bottom: 10px;
    }

    .scenario-card p {
      color: var(--color-muted);
      font-size: 15px;
    }

    .notice-layout {
      display: grid;
      grid-template-columns: 0.95fr 1.05fr;
      gap: 28px;
      align-items: center;
    }

    .notice-image {
      position: relative;
      border-radius: var(--radius-xl);
      overflow: hidden;
      min-height: 360px;
      box-shadow: var(--shadow-soft);
    }

    .notice-image img {
      width: 100%;
      height: 100%;
      min-height: 360px;
      object-fit: cover;
    }

    .notice-image::after {
      content: "安全核验";
      position: absolute;
      left: 22px;
      bottom: 22px;
      padding: 10px 14px;
      border-radius: 999px;
      color: #0d1c19;
      background: rgba(35, 216, 180, 0.92);
      font-weight: 900;
    }

    .notice-panel {
      padding: 32px;
      border-radius: var(--radius-xl);
      background: #ffffff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-card);
    }

    .notice-list {
      display: grid;
      gap: 14px;
      margin-top: 22px;
      list-style: none;
    }

    .notice-list li {
      padding: 16px 18px;
      border-radius: 18px;
      background: #f5faf8;
      border: 1px solid rgba(20, 55, 49, 0.1);
    }

    .notice-list strong {
      display: block;
      color: var(--color-ink);
      margin-bottom: 3px;
    }

    .notice-list span {
      color: var(--color-muted);
      font-size: 15px;
    }

    .warning-box {
      margin-top: 22px;
      padding: 18px;
      border-radius: 18px;
      color: var(--color-warning);
      background: var(--color-warning-bg);
      border: 1px solid rgba(198, 161, 106, 0.36);
      font-weight: 700;
    }

    .faq-shell {
      display: grid;
      grid-template-columns: 0.72fr 1.28fr;
      gap: 32px;
      align-items: start;
    }

    .faq-intro {
      position: sticky;
      top: 104px;
      padding: 28px;
      border-radius: var(--radius-xl);
      color: #f5fffc;
      background: linear-gradient(135deg, var(--color-graphite), #123a34);
      box-shadow: var(--shadow-card);
    }

    .faq-intro p {
      color: rgba(245, 255, 252, 0.72);
      margin-top: 12px;
    }

    .faq-list {
      display: grid;
      gap: 14px;
    }

    .faq-item {
      border-radius: 20px;
      background: #ffffff;
      border: 1px solid var(--color-border);
      box-shadow: 0 8px 22px rgba(14, 39, 35, 0.05);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      min-height: 66px;
      padding: 18px 22px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      text-align: left;
      color: var(--color-ink);
      font-weight: 900;
    }

    .faq-question span:last-child {
      width: 30px;
      height: 30px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      border-radius: 50%;
      background: var(--color-teal-soft);
      color: var(--color-teal-dark);
      font-size: 20px;
      transition: transform var(--ease), background var(--ease);
    }

    .faq-answer {
      display: none;
      padding: 0 22px 20px;
      color: var(--color-muted);
    }

    .faq-item.open {
      border-color: rgba(35, 216, 180, 0.5);
      background: #fbfffd;
    }

    .faq-item.open .faq-answer {
      display: block;
    }

    .faq-item.open .faq-question span:last-child {
      transform: rotate(45deg);
      background: var(--color-teal);
      color: #0d1c19;
    }

    .cta-section {
      padding: 0 0 88px;
    }

    .cta-card {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: center;
      padding: 36px;
      border-radius: var(--radius-xl);
      color: #f6fffc;
      background:
        radial-gradient(circle at 12% 18%, rgba(35, 216, 180, 0.22), transparent 32%),
        linear-gradient(135deg, #111816, #18352f);
      box-shadow: var(--shadow-soft);
    }

    .cta-card::after {
      content: "";
      position: absolute;
      right: -80px;
      top: -80px;
      width: 240px;
      height: 240px;
      border-radius: 50%;
      border: 1px solid rgba(35, 216, 180, 0.22);
      box-shadow: 0 0 0 34px rgba(35, 216, 180, 0.04);
    }

    .cta-card h2,
    .cta-card p,
    .cta-card .cta-actions {
      position: relative;
      z-index: 1;
    }

    .cta-card h2 {
      color: #f6fffc;
      margin-bottom: 10px;
    }

    .cta-card p {
      color: rgba(246, 255, 252, 0.73);
      max-width: 760px;
    }

    .cta-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .site-footer {
      background: var(--color-obsidian);
      color: rgba(247, 252, 250, 0.72);
      padding-top: 58px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-main {
      display: grid;
      grid-template-columns: 1.35fr 0.72fr 0.72fr 1fr;
      gap: 34px;
      padding-bottom: 40px;
    }

    .footer-brand h2,
    .footer-col h3 {
      color: #f7fffc;
    }

    .footer-brand h2 {
      font-size: 24px;
      margin-bottom: 12px;
    }

    .footer-brand p {
      max-width: 430px;
      color: rgba(247, 252, 250, 0.68);
    }

    .footer-col h3 {
      font-size: 16px;
      margin-bottom: 14px;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a:hover {
      color: var(--color-teal);
      transform: translateX(3px);
    }

    .risk-note {
      padding: 14px;
      border-radius: 16px;
      background: rgba(255, 245, 221, 0.08);
      border: 1px solid rgba(198, 161, 106, 0.25);
      color: rgba(255, 245, 221, 0.8);
      font-size: 14px;
      line-height: 1.7;
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding: 20px 0;
      color: rgba(247, 252, 250, 0.52);
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 14px;
    }

    @media (max-width: 1080px) {
      .header-actions .btn {
        display: none;
      }

      .hero-grid,
      .guide-layout,
      .notice-layout,
      .faq-shell {
        grid-template-columns: 1fr;
      }

      .process-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .scenario-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .faq-intro {
        position: static;
      }

      .footer-main {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .header-inner {
        min-height: 68px;
      }

      .brand-text strong {
        font-size: 16px;
      }

      .brand-text span {
        display: none;
      }

      .menu-toggle {
        display: inline-grid;
        place-items: center;
      }

      .menu-toggle.is-open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
      }

      .menu-toggle.is-open span:nth-child(2) {
        opacity: 0;
      }

      .menu-toggle.is-open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
      }

      .main-nav {
        position: absolute;
        left: 14px;
        right: 14px;
        top: calc(100% + 8px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
        border-radius: 22px;
        background: rgba(17, 24, 22, 0.98);
        box-shadow: 0 20px 50px rgba(0, 0, 0, 0.22);
      }

      .main-nav.is-open {
        display: flex;
      }

      .main-nav a {
        padding: 14px 16px;
        text-align: center;
      }

      .page-hero {
        padding: 48px 0 40px;
      }

      .hero-panel img {
        height: 210px;
      }

      .section {
        padding: 58px 0;
      }

      .section-head {
        display: grid;
        gap: 14px;
      }

      .guide-item {
        grid-template-columns: 48px 1fr;
      }

      .guide-num {
        width: 48px;
        height: 48px;
        border-radius: 15px;
      }

      .item-meta {
        grid-column: 2;
        justify-items: start;
        display: flex;
        align-items: center;
        gap: 14px;
      }

      .process-grid,
      .scenario-grid {
        grid-template-columns: 1fr;
      }

      .cta-card {
        grid-template-columns: 1fr;
        padding: 28px;
      }

      .cta-actions {
        justify-content: flex-start;
      }

      .footer-main {
        grid-template-columns: 1fr;
      }

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 12px;
      }

      .brand-logo {
        gap: 9px;
      }

      .hero-actions,
      .cta-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .tag-row {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 16px;
        scrollbar-width: thin;
      }

      .tag {
        white-space: nowrap;
      }

      .feature-body,
      .notice-panel,
      .process-wrap {
        padding: 22px;
      }

      .panel-item {
        align-items: flex-start;
        flex-direction: column;
      }

      .guide-item {
        padding: 17px;
        gap: 14px;
      }

      .faq-question {
        padding: 16px;
        font-size: 15px;
      }

      .faq-answer {
        padding: 0 16px 18px;
      }
    }