/* roulang page: index */
:root{
      --ink:#111317;
      --ink-2:#1c2027;
      --panel:#191d23;
      --paper:#F6F3EA;
      --paper-2:#FAF8F2;
      --text:#20242b;
      --muted:#68707c;
      --muted-dark:#aeb7c5;
      --line:rgba(17,19,23,.12);
      --line-dark:rgba(255,255,255,.12);
      --green:#24D6A3;
      --green-2:#87f0d1;
      --amber:#E7B85A;
      --danger:#D9644A;
      --white:#ffffff;
      --radius-sm:12px;
      --radius:18px;
      --radius-lg:28px;
      --shadow:0 16px 42px rgba(17,19,23,.10);
      --shadow-soft:0 10px 28px rgba(17,19,23,.08);
      --container:1200px;
      --ease:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        linear-gradient(90deg,rgba(17,19,23,.035) 1px,transparent 1px),
        linear-gradient(rgba(17,19,23,.035) 1px,transparent 1px),
        var(--paper-2);
      background-size:36px 36px;
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(36,214,163,.55);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(17,19,23,.92);
      backdrop-filter:blur(16px);
      border-bottom:1px solid var(--line-dark);
    }
    .nav-wrap{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      letter-spacing:.02em;
      color:var(--white);
      white-space:nowrap;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--green),var(--amber));
      color:var(--ink);
      box-shadow:0 0 0 1px rgba(255,255,255,.16),0 12px 26px rgba(36,214,163,.18);
      font-size:18px;
      font-weight:1000;
    }
    .brand small{
      display:block;
      font-size:12px;
      color:var(--muted-dark);
      font-weight:600;
      line-height:1.2;
      margin-top:2px;
    }
    .main-nav{display:flex;align-items:center;gap:10px}
    .main-nav a{
      color:#dbe3ed;
      padding:10px 15px;
      border-radius:999px;
      font-size:15px;
      transition:var(--ease);
      border:1px solid transparent;
    }
    .main-nav a:hover,.main-nav a.active{
      color:var(--ink);
      background:var(--green);
      border-color:rgba(255,255,255,.18);
      transform:translateY(-1px);
    }
    .nav-action{
      display:inline-flex;align-items:center;gap:8px;
      padding:10px 16px;
      border-radius:999px;
      background:rgba(231,184,90,.12);
      color:#ffe2a1;
      border:1px solid rgba(231,184,90,.32);
      font-size:14px;
      transition:var(--ease);
    }
    .nav-action:hover{background:rgba(231,184,90,.2);transform:translateY(-1px)}
    .menu-toggle{
      display:none;
      width:46px;height:46px;border:1px solid var(--line-dark);
      border-radius:14px;background:rgba(255,255,255,.06);color:var(--white);
    }
    .hero{
      position:relative;
      min-height:720px;
      color:var(--white);
      background:
        linear-gradient(90deg,rgba(17,19,23,.94),rgba(17,19,23,.78) 42%,rgba(17,19,23,.58)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      overflow:hidden;
    }
    .hero:after{
      content:"";
      position:absolute;inset:0;
      background:
        radial-gradient(circle at 18% 20%,rgba(36,214,163,.18),transparent 28%),
        radial-gradient(circle at 80% 12%,rgba(231,184,90,.16),transparent 25%),
        linear-gradient(transparent 0 95%,rgba(246,243,234,1) 95%);
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      z-index:1;
      padding:96px 0 132px;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:54px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(36,214,163,.38);
      background:rgba(36,214,163,.10);
      color:var(--green-2);
      font-size:14px;
      font-weight:800;
      margin-bottom:20px;
    }
    .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 18px var(--green)}
    h1,h2,h3,p{margin-top:0}
    .hero h1{
      font-size:clamp(34px,5vw,52px);
      line-height:1.13;
      letter-spacing:-.04em;
      margin:0 0 22px;
      max-width:820px;
    }
    .hero-lead{
      color:#d5deea;
      font-size:18px;
      max-width:720px;
      margin-bottom:26px;
    }
    .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 30px}
    .pill{
      display:inline-flex;align-items:center;gap:7px;
      min-height:34px;
      padding:6px 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      color:#dfe8f3;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.14);
    }
    .pill.green{color:var(--ink);background:var(--green);border-color:var(--green)}
    .pill.amber{color:#2b2417;background:var(--amber);border-color:var(--amber)}
    .pill.danger{color:#fff;background:rgba(217,100,74,.20);border-color:rgba(217,100,74,.45)}
    .btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:48px;
      padding:12px 20px;
      border-radius:999px;
      font-weight:900;
      border:1px solid transparent;
      transition:var(--ease);
      user-select:none;
    }
    .btn-primary{background:var(--green);color:var(--ink);box-shadow:0 14px 28px rgba(36,214,163,.22)}
    .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05)}
    .btn-secondary{background:rgba(255,255,255,.06);color:var(--white);border-color:rgba(255,255,255,.20)}
    .btn-secondary:hover{background:rgba(36,214,163,.12);border-color:rgba(36,214,163,.42);transform:translateY(-2px)}
    .score-stage{
      display:grid;
      gap:16px;
      background:rgba(17,19,23,.68);
      border:1px solid rgba(255,255,255,.14);
      border-radius:var(--radius-lg);
      padding:22px;
      box-shadow:0 24px 70px rgba(0,0,0,.28);
      backdrop-filter:blur(10px);
    }
    .score-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;border-bottom:1px solid var(--line-dark);padding-bottom:16px}
    .score-head strong{font-size:20px}
    .status{display:inline-flex;align-items:center;padding:5px 10px;border-radius:999px;background:rgba(231,184,90,.14);color:#ffd989;font-size:12px;font-weight:900;border:1px solid rgba(231,184,90,.32)}
    .versus-card{
      border-radius:20px;
      background:linear-gradient(135deg,rgba(255,255,255,.10),rgba(255,255,255,.04));
      border:1px solid rgba(255,255,255,.12);
      padding:18px;
    }
    .teams{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}
    .team{
      min-height:92px;
      border-radius:16px;
      background:rgba(0,0,0,.22);
      border:1px solid rgba(255,255,255,.10);
      display:grid;place-items:center;
      text-align:center;
      padding:14px;
    }
    .team b{font-size:30px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--green)}
    .team span{display:block;font-size:13px;color:var(--muted-dark)}
    .vs{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--amber);font-weight:1000}
    .data-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .data-mini{padding:14px;border-radius:16px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.11)}
    .data-mini span{display:block;color:var(--muted-dark);font-size:12px}
    .data-mini b{display:block;color:#fff;font-size:18px;margin-top:2px}
    .section{padding:86px 0}
    .section.alt{background:rgba(255,255,255,.42)}
    .section.dark{
      background:var(--ink);
      color:var(--white);
      position:relative;
      overflow:hidden;
    }
    .section.dark:before{
      content:"";
      position:absolute;inset:0;
      background:radial-gradient(circle at 12% 20%,rgba(36,214,163,.12),transparent 28%),radial-gradient(circle at 90% 80%,rgba(231,184,90,.12),transparent 30%);
      pointer-events:none;
    }
    .section.dark .container{position:relative;z-index:1}
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:24px;
      align-items:flex-end;
      margin-bottom:34px;
    }
    .section-kicker{
      color:#0f8f71;
      font-weight:1000;
      letter-spacing:.03em;
      margin-bottom:8px;
    }
    .section.dark .section-kicker{color:var(--green)}
    .section h2{
      font-size:clamp(28px,3.5vw,38px);
      line-height:1.25;
      letter-spacing:-.03em;
      margin-bottom:10px;
    }
    .section-desc{color:var(--muted);max-width:720px;font-size:17px;margin-bottom:0}
    .section.dark .section-desc{color:#b9c3d0}
    .timeline{
      position:relative;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .timeline:before{
      content:"";
      position:absolute;
      left:4%;right:4%;top:34px;
      height:2px;
      background:linear-gradient(90deg,var(--amber),rgba(231,184,90,.12));
    }
    .time-card{
      position:relative;
      padding:70px 18px 20px;
      border-radius:var(--radius);
      background:var(--white);
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
    }
    .time-card:hover{transform:translateY(-4px);border-color:rgba(36,214,163,.35)}
    .node{
      position:absolute;top:22px;left:18px;
      width:26px;height:26px;border-radius:50%;
      background:var(--amber);
      box-shadow:0 0 0 8px rgba(231,184,90,.18);
    }
    .time-card h3{margin-bottom:8px;font-size:19px}
    .time-card p{color:var(--muted);margin-bottom:12px}
    .score-tag{display:inline-flex;padding:5px 9px;border-radius:10px;background:rgba(36,214,163,.12);color:#0d765f;font-size:12px;font-weight:900}
    .board-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:24px;
      align-items:stretch;
    }
    .main-board{
      border-radius:var(--radius-lg);
      background:linear-gradient(145deg,#191d23,#101216);
      border:1px solid rgba(255,255,255,.10);
      padding:26px;
      box-shadow:0 24px 60px rgba(0,0,0,.20);
    }
    .board-title{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-bottom:22px}
    .board-title h3{font-size:24px;margin:0}
    .match-row{
      display:grid;
      grid-template-columns:1fr auto 1fr;
      align-items:center;
      gap:18px;
      padding:22px 0;
      border-top:1px solid rgba(255,255,255,.10);
    }
    .club{display:flex;align-items:center;gap:12px}
    .club-icon{
      width:46px;height:46px;border-radius:16px;
      background:linear-gradient(135deg,rgba(36,214,163,.9),rgba(231,184,90,.85));
      color:var(--ink);display:grid;place-items:center;font-weight:1000;
    }
    .club em{display:block;font-style:normal;color:#aeb7c5;font-size:13px}
    .score-num{
      font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
      font-size:34px;
      font-weight:1000;
      color:var(--green);
      white-space:nowrap;
    }
    .board-note{margin:18px 0 0;color:#aeb7c5;font-size:14px}
    .compact-list{display:grid;gap:12px}
    .compact-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:12px;
      align-items:center;
      padding:15px;
      border-radius:16px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.10);
      transition:var(--ease);
    }
    .compact-item:hover{background:rgba(36,214,163,.10);border-color:rgba(36,214,163,.28)}
    .compact-item .dot{width:10px;height:10px;border-radius:50%;background:var(--green)}
    .compact-item b{display:block}
    .compact-item span{display:block;color:#aeb7c5;font-size:13px}
    .compact-item time{color:var(--amber);font-size:13px;font-weight:900}
    .rule-grid{
      display:grid;
      grid-template-columns:1fr .8fr;
      gap:24px;
      align-items:start;
    }
    .steps{
      counter-reset:step;
      display:grid;
      gap:14px;
    }
    .step{
      counter-increment:step;
      display:grid;
      grid-template-columns:auto 1fr;
      gap:14px;
      padding:18px;
      border-radius:var(--radius);
      background:var(--white);
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .step:before{
      content:counter(step);
      width:34px;height:34px;border-radius:12px;
      background:var(--ink);
      color:var(--green);
      display:grid;place-items:center;
      font-weight:1000;
      font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
    }
    .step h3{margin:0 0 5px;font-size:18px}
    .step p{margin:0;color:var(--muted)}
    .risk-card{
      border-radius:var(--radius-lg);
      background:#211814;
      color:#fff;
      border:1px solid rgba(217,100,74,.38);
      padding:24px;
      position:sticky;
      top:96px;
      box-shadow:0 18px 38px rgba(217,100,74,.12);
    }
    .risk-card h3{color:#ffd2c7;font-size:24px;margin-bottom:10px}
    .risk-list{padding:0;margin:18px 0 0;list-style:none;display:grid;gap:12px}
    .risk-list li{display:flex;gap:10px;color:#f1c8bf}
    .risk-list li:before{content:"!";flex:0 0 22px;height:22px;border-radius:50%;background:var(--danger);display:grid;place-items:center;color:#fff;font-weight:1000;font-size:13px}
    .check-panel{
      border-radius:var(--radius-lg);
      background:var(--white);
      box-shadow:var(--shadow);
      border:1px solid var(--line);
      overflow:hidden;
    }
    .check-head{
      padding:22px 24px;
      background:linear-gradient(135deg,#15191f,#252a32);
      color:#fff;
      display:flex;
      justify-content:space-between;
      gap:18px;
      align-items:center;
    }
    .check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0}
    .check-item{
      padding:20px 22px;
      border-top:1px solid var(--line);
      border-right:1px solid var(--line);
      display:flex;
      gap:12px;
      align-items:flex-start;
    }
    .check-item:nth-child(2n){border-right:0}
    .check{
      width:24px;height:24px;border-radius:9px;
      background:rgba(36,214,163,.14);
      color:#08765d;
      display:grid;place-items:center;
      font-weight:1000;
      flex:0 0 auto;
    }
    .check-item b{display:block;margin-bottom:4px}
    .check-item p{margin:0;color:var(--muted);font-size:15px}
    .topics{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:24px;
    }
    .feature-card,.topic-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      background:var(--white);
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
    }
    .feature-card:hover,.topic-card:hover{transform:translateY(-4px);border-color:rgba(36,214,163,.36)}
    .feature-card img{height:320px;width:100%;object-fit:cover}
    .feature-body,.topic-body{padding:22px}
    .card-label{
      display:inline-flex;
      padding:5px 10px;
      border-radius:999px;
      background:rgba(231,184,90,.18);
      color:#826018;
      font-size:12px;
      font-weight:1000;
      margin-bottom:10px;
    }
    .feature-body h3{font-size:27px;line-height:1.28;margin-bottom:10px}
    .feature-body p,.topic-body p{color:var(--muted);margin-bottom:16px}
    .topic-stack{display:grid;gap:16px}
    .topic-card{display:grid;grid-template-columns:150px 1fr;min-height:164px}
    .topic-card img{height:100%;width:100%;object-fit:cover}
    .topic-body{padding:17px}
    .topic-body h3{font-size:18px;line-height:1.35;margin-bottom:8px}
    .text-link{font-weight:1000;color:#08765d;display:inline-flex;gap:6px;align-items:center}
    .text-link:hover{color:#075846}
    .evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .evidence-card{
      border-radius:var(--radius);
      padding:22px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.10);
    }
    .evidence-card strong{
      display:block;
      font-size:34px;
      line-height:1;
      color:var(--green);
      font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
      margin-bottom:10px;
    }
    .evidence-card p{color:#c5cfdc;margin:0}
    .faq-list{display:grid;gap:14px;max-width:960px;margin:0 auto}
    .faq-item{
      border-radius:var(--radius);
      background:var(--white);
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .faq-q{
      width:100%;
      border:0;
      background:transparent;
      min-height:62px;
      padding:18px 22px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      color:var(--text);
      font-weight:1000;
      text-align:left;
    }
    .faq-q span:last-child{
      width:28px;height:28px;border-radius:50%;
      background:rgba(36,214,163,.12);
      color:#08765d;
      display:grid;place-items:center;
      flex:0 0 auto;
      transition:var(--ease);
    }
    .faq-a{display:none;padding:0 22px 20px;color:var(--muted)}
    .faq-item.open{border-color:rgba(36,214,163,.34);background:linear-gradient(180deg,#fff,rgba(36,214,163,.05))}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg);background:var(--green);color:var(--ink)}
    .warning-band{
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,rgba(231,184,90,.20),rgba(217,100,74,.12));
      border:1px solid rgba(217,100,74,.28);
      padding:28px;
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:20px;
      align-items:center;
    }
    .warn-icon{
      width:56px;height:56px;border-radius:20px;
      background:rgba(217,100,74,.16);
      color:var(--danger);
      display:grid;place-items:center;
      font-weight:1000;
      font-size:24px;
    }
    .warning-band h2{font-size:26px;margin-bottom:4px}
    .warning-band p{margin:0;color:#59443b}
    .cta{
      border-radius:32px;
      overflow:hidden;
      color:#fff;
      background:
        linear-gradient(90deg,rgba(17,19,23,.96),rgba(17,19,23,.78)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border:1px solid rgba(255,255,255,.12);
      padding:42px;
      display:flex;
      justify-content:space-between;
      gap:28px;
      align-items:center;
      box-shadow:0 22px 60px rgba(17,19,23,.22);
    }
    .cta h2{margin-bottom:8px}
    .cta p{color:#cbd5df;max-width:740px;margin:0}
    .site-footer{
      background:var(--ink);
      color:#d3dbe6;
      padding:56px 0 28px;
      border-top:1px solid rgba(255,255,255,.10);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .9fr;
      gap:32px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .footer-logo{
      display:flex;
      align-items:center;
      gap:12px;
      font-size:18px;
      font-weight:1000;
      margin-bottom:12px;
    }
    .footer-logo .brand-mark{width:38px;height:38px;border-radius:13px}
    .site-footer p{color:#aeb7c5;margin:0}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:#c7d0dc;transition:var(--ease)}
    .footer-links a:hover{color:var(--green);transform:translateX(2px)}
    .footer-title{color:#fff;font-weight:1000;margin-bottom:12px}
    .footer-risk{
      padding:14px;
      border-radius:16px;
      border:1px solid rgba(231,184,90,.30);
      background:rgba(231,184,90,.08);
      color:#f5d48f;
    }
    .copyright{
      padding-top:22px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:#8f99a8;
      font-size:14px;
    }
    @media (max-width:1024px){
      .hero-inner,.board-grid,.rule-grid,.topics{grid-template-columns:1fr}
      .risk-card{position:relative;top:0}
      .timeline{grid-template-columns:repeat(2,1fr)}
      .timeline:before{display:none}
      .footer-grid{grid-template-columns:1fr 1fr}
      .cta,.warning-band{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .nav-wrap{min-height:66px}
      .menu-toggle{display:grid;place-items:center}
      .main-nav{
        position:absolute;
        top:66px;left:14px;right:14px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        padding:14px;
        background:#14181e;
        border:1px solid var(--line-dark);
        border-radius:18px;
        box-shadow:0 18px 42px rgba(0,0,0,.28);
      }
      .main-nav.open{display:flex}
      .main-nav a{text-align:center}
      .nav-action{display:none}
      .hero{min-height:auto}
      .hero-inner{padding:64px 0 90px;gap:30px}
      .hero-lead{font-size:16px}
      .score-stage{padding:16px;border-radius:22px}
      .teams{grid-template-columns:1fr;gap:10px}
      .vs{text-align:center}
      .data-grid,.check-list,.evidence-grid{grid-template-columns:1fr}
      .check-item{border-right:0}
      .section{padding:60px 0}
      .section-head{display:block}
      .topic-card{grid-template-columns:1fr}
      .topic-card img{height:180px}
      .feature-card img{height:230px}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .brand div:last-child{font-size:15px}
      .brand small{display:none}
      .btn{width:100%;min-height:46px}
      .hero-tags{gap:8px}
      .pill{font-size:12px}
      .match-row{grid-template-columns:1fr;text-align:left}
      .score-num{text-align:left;font-size:28px}
      .compact-item{grid-template-columns:auto 1fr}
      .compact-item time{grid-column:2}
      .cta{padding:28px 20px;border-radius:24px}
      .warning-band{padding:22px}
      .footer-grid{gap:24px}
    }

/* roulang page: category1 */
:root {
      --ink: #111317;
      --ink-2: #1b1f25;
      --panel: #181c21;
      --paper: #f6f3ea;
      --paper-2: #faf8f2;
      --muted: #6b706f;
      --line: rgba(17, 19, 23, .12);
      --line-dark: rgba(255, 255, 255, .1);
      --cyan: #24d6a3;
      --cyan-soft: rgba(36, 214, 163, .14);
      --amber: #e7b85a;
      --amber-soft: rgba(231, 184, 90, .18);
      --danger: #d9644a;
      --danger-soft: rgba(217, 100, 74, .14);
      --white: #ffffff;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --shadow: 0 18px 48px rgba(17, 19, 23, .10);
      --shadow-soft: 0 10px 30px rgba(17, 19, 23, .08);
      --container: 1200px;
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--ink);
      background:
        linear-gradient(180deg, rgba(246, 243, 234, .96), rgba(250, 248, 242, 1) 34%, rgba(246, 243, 234, 1)),
        repeating-linear-gradient(90deg, rgba(17, 19, 23, .035) 0, rgba(17, 19, 23, .035) 1px, transparent 1px, transparent 58px);
      line-height: 1.75;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease;
    }

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

    button,
    input,
    textarea {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    :focus-visible {
      outline: 3px solid rgba(36, 214, 163, .42);
      outline-offset: 3px;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(17, 19, 23, .94);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--line-dark);
      box-shadow: 0 10px 28px rgba(0, 0, 0, .16);
    }

    .header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .site-logo,
    .footer-logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 900;
      letter-spacing: .02em;
      color: var(--white);
      white-space: nowrap;
    }

    .brand-mark {
      width: 44px;
      height: 44px;
      border-radius: 14px;
      display: inline-grid;
      place-items: center;
      color: var(--ink);
      background: linear-gradient(135deg, var(--cyan), var(--amber));
      font-family: var(--mono);
      font-weight: 900;
      box-shadow: 0 0 0 1px rgba(255, 255, 255, .2), 0 12px 26px rgba(36, 214, 163, .22);
    }

    .nav-wrap {
      display: flex;
      align-items: center;
      gap: 18px;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 7px;
      border: 1px solid var(--line-dark);
      border-radius: 999px;
      background: rgba(255, 255, 255, .045);
    }

    .main-nav a {
      color: rgba(255, 255, 255, .78);
      padding: 10px 16px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 700;
    }

    .main-nav a:hover {
      color: var(--white);
      background: rgba(36, 214, 163, .12);
    }

    .main-nav a.active {
      color: var(--ink);
      background: var(--cyan);
      box-shadow: 0 8px 22px rgba(36, 214, 163, .22);
    }

    .header-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 0 18px;
      border-radius: 999px;
      color: var(--ink);
      background: var(--amber);
      font-weight: 900;
      box-shadow: 0 10px 24px rgba(231, 184, 90, .2);
    }

    .header-cta:hover {
      transform: translateY(-2px);
      filter: brightness(1.04);
    }

    .menu-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 14px;
      color: var(--white);
      background: rgba(255, 255, 255, .08);
      border: 1px solid var(--line-dark);
    }

    .menu-toggle span {
      display: block;
      width: 20px;
      height: 2px;
      margin: 5px auto;
      background: currentColor;
      border-radius: 99px;
    }

    .page-hero {
      position: relative;
      padding: 84px 0 58px;
      color: var(--white);
      background:
        linear-gradient(115deg, rgba(17, 19, 23, .94), rgba(17, 19, 23, .82) 48%, rgba(17, 19, 23, .62)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      overflow: hidden;
    }

    .page-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, .05) 1px, transparent 1px);
      background-size: 56px 56px;
      mask-image: linear-gradient(90deg, rgba(0, 0, 0, .7), transparent 82%);
      pointer-events: none;
    }

    .page-hero::after {
      content: "";
      position: absolute;
      width: 360px;
      height: 360px;
      right: -120px;
      top: -120px;
      background: radial-gradient(circle, rgba(36, 214, 163, .26), transparent 62%);
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 1;
      max-width: 920px;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 9px;
      margin-bottom: 22px;
      color: rgba(255, 255, 255, .72);
      font-size: 14px;
    }

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

    .crumb-sep {
      color: rgba(255, 255, 255, .36);
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 34px;
      padding: 6px 13px;
      margin-bottom: 18px;
      border-radius: 999px;
      color: var(--cyan);
      background: rgba(36, 214, 163, .12);
      border: 1px solid rgba(36, 214, 163, .3);
      font-weight: 800;
      font-size: 14px;
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    h1 {
      max-width: 860px;
      margin-bottom: 18px;
      font-size: clamp(32px, 5vw, 50px);
      line-height: 1.12;
      letter-spacing: -.04em;
      font-weight: 950;
    }

    .hero-lead {
      max-width: 820px;
      margin-bottom: 26px;
      color: rgba(255, 255, 255, .82);
      font-size: 18px;
      line-height: 1.85;
    }

    .hero-actions,
    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 0 20px;
      border-radius: 999px;
      font-weight: 900;
      border: 1px solid transparent;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
    }

    .btn-primary {
      color: var(--ink);
      background: var(--cyan);
      box-shadow: 0 12px 28px rgba(36, 214, 163, .22);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      filter: brightness(1.04);
      box-shadow: 0 18px 34px rgba(36, 214, 163, .28);
    }

    .btn-secondary {
      color: var(--white);
      background: rgba(255, 255, 255, .06);
      border-color: rgba(255, 255, 255, .18);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      background: rgba(36, 214, 163, .14);
      border-color: rgba(36, 214, 163, .34);
    }

    .btn-dark {
      color: var(--white);
      background: var(--ink);
      border-color: rgba(255, 255, 255, .08);
    }

    .btn-dark:hover {
      transform: translateY(-2px);
      background: #222831;
    }

    .hero-meta {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 34px;
      max-width: 850px;
    }

    .meta-tile {
      padding: 16px;
      border-radius: 16px;
      background: rgba(255, 255, 255, .075);
      border: 1px solid rgba(255, 255, 255, .12);
      backdrop-filter: blur(10px);
    }

    .meta-tile strong {
      display: block;
      margin-bottom: 3px;
      color: var(--white);
      font-size: 16px;
    }

    .meta-tile span {
      color: rgba(255, 255, 255, .68);
      font-size: 13px;
    }

    main {
      position: relative;
    }

    .section {
      padding: 78px 0;
    }

    .section-tight {
      padding: 54px 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 28px;
    }

    .section-title {
      margin-bottom: 8px;
      font-size: clamp(28px, 3vw, 36px);
      line-height: 1.22;
      letter-spacing: -.03em;
      font-weight: 950;
    }

    .section-desc {
      max-width: 720px;
      margin-bottom: 0;
      color: var(--muted);
      font-size: 17px;
    }

    .tagbar {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .55);
      box-shadow: var(--shadow-soft);
    }

    .tag {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 38px;
      padding: 7px 13px;
      border-radius: 999px;
      color: var(--ink);
      background: var(--paper-2);
      border: 1px solid var(--line);
      font-weight: 800;
      font-size: 14px;
    }

    .tag.active,
    .tag:hover {
      border-color: rgba(36, 214, 163, .45);
      background: var(--cyan-soft);
      color: #0d6d56;
    }

    .layout-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 26px;
      align-items: start;
    }

    .feature-card {
      overflow: hidden;
      border-radius: var(--radius-lg);
      background: var(--white);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .feature-image {
      position: relative;
      min-height: 310px;
      overflow: hidden;
      background: var(--ink);
    }

    .feature-image img {
      width: 100%;
      height: 100%;
      min-height: 310px;
      object-fit: cover;
      transition: transform .35s ease;
    }

    .feature-card:hover .feature-image img {
      transform: scale(1.035);
    }

    .image-badge {
      position: absolute;
      left: 18px;
      top: 18px;
      display: inline-flex;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(17, 19, 23, .78);
      color: var(--cyan);
      border: 1px solid rgba(36, 214, 163, .28);
      font-size: 13px;
      font-weight: 900;
      backdrop-filter: blur(10px);
    }

    .feature-body {
      padding: 26px;
    }

    .feature-body h2 {
      margin-bottom: 12px;
      font-size: 30px;
      line-height: 1.28;
      letter-spacing: -.03em;
    }

    .feature-body p {
      color: var(--muted);
      margin-bottom: 18px;
    }

    .feature-points {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin: 20px 0 22px;
    }

    .point {
      padding: 14px;
      border-radius: 14px;
      background: var(--paper);
      border: 1px solid var(--line);
    }

    .point strong {
      display: block;
      font-family: var(--mono);
      color: var(--ink);
      font-size: 18px;
      line-height: 1.2;
    }

    .point span {
      color: var(--muted);
      font-size: 13px;
    }

    .sidebar {
      display: grid;
      gap: 16px;
    }

    .side-card {
      padding: 20px;
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, .72);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
    }

    .side-card.dark {
      color: var(--white);
      background:
        linear-gradient(145deg, rgba(17, 19, 23, .98), rgba(27, 31, 37, .96)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      border-color: var(--line-dark);
    }

    .side-title {
      margin-bottom: 12px;
      font-size: 18px;
      font-weight: 950;
    }

    .hot-list,
    .check-list,
    .term-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 10px;
    }

    .hot-list a {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 11px 0;
      border-bottom: 1px solid rgba(255, 255, 255, .1);
      color: rgba(255, 255, 255, .78);
      font-weight: 700;
    }

    .hot-list a:hover {
      color: var(--cyan);
      transform: translateX(2px);
    }

    .hot-list em {
      font-style: normal;
      color: var(--amber);
      font-family: var(--mono);
      font-size: 13px;
    }

    .check-list li,
    .term-list li {
      position: relative;
      padding-left: 28px;
      color: var(--muted);
      font-size: 15px;
    }

    .check-list li::before {
      content: "✓";
      position: absolute;
      left: 0;
      top: 0;
      width: 20px;
      height: 20px;
      display: inline-grid;
      place-items: center;
      border-radius: 50%;
      color: var(--ink);
      background: var(--cyan);
      font-size: 12px;
      font-weight: 900;
      line-height: 20px;
    }

    .term-list li::before {
      content: "";
      position: absolute;
      left: 4px;
      top: 11px;
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--amber);
      box-shadow: 0 0 0 4px var(--amber-soft);
    }

    .risk-mini {
      margin-top: 14px;
      padding: 13px;
      border-radius: 14px;
      color: #8a3928;
      background: var(--danger-soft);
      border: 1px solid rgba(217, 100, 74, .25);
      font-size: 14px;
      font-weight: 700;
    }

    .guide-list {
      display: grid;
      gap: 18px;
      margin-top: 24px;
    }

    .guide-card {
      display: grid;
      grid-template-columns: 210px minmax(0, 1fr);
      gap: 20px;
      padding: 18px;
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .78);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .guide-card:hover {
      transform: translateY(-3px);
      border-color: rgba(36, 214, 163, .38);
      box-shadow: var(--shadow);
    }

    .guide-cover {
      position: relative;
      overflow: hidden;
      border-radius: 16px;
      min-height: 148px;
      background: var(--ink);
    }

    .guide-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .3s ease;
    }

    .guide-card:hover .guide-cover img {
      transform: scale(1.03);
    }

    .guide-content {
      min-width: 0;
    }

    .guide-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      align-items: center;
      margin-bottom: 10px;
      color: var(--muted);
      font-size: 13px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 26px;
      padding: 4px 9px;
      border-radius: 999px;
      color: #0d6d56;
      background: var(--cyan-soft);
      border: 1px solid rgba(36, 214, 163, .24);
      font-weight: 900;
      font-size: 12px;
    }

    .badge.amber {
      color: #7a5411;
      background: var(--amber-soft);
      border-color: rgba(231, 184, 90, .34);
    }

    .badge.danger {
      color: #8a3928;
      background: var(--danger-soft);
      border-color: rgba(217, 100, 74, .3);
    }

    .guide-content h3 {
      margin-bottom: 8px;
      font-size: 22px;
      line-height: 1.34;
      letter-spacing: -.02em;
    }

    .guide-content p {
      margin-bottom: 14px;
      color: var(--muted);
      font-size: 15px;
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #0d6d56;
      font-weight: 900;
    }

    .text-link:hover {
      color: var(--ink);
      transform: translateX(2px);
    }

    .score-panel {
      border-radius: 28px;
      padding: 28px;
      color: var(--white);
      background:
        linear-gradient(135deg, rgba(17, 19, 23, .98), rgba(17, 19, 23, .9)),
        radial-gradient(circle at 20% 0%, rgba(36, 214, 163, .24), transparent 30%),
        radial-gradient(circle at 100% 40%, rgba(231, 184, 90, .18), transparent 28%);
      border: 1px solid var(--line-dark);
      box-shadow: 0 24px 60px rgba(17, 19, 23, .18);
    }

    .score-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 22px;
      align-items: stretch;
    }

    .score-main {
      padding: 22px;
      border-radius: 20px;
      background: rgba(255, 255, 255, .06);
      border: 1px solid rgba(255, 255, 255, .12);
    }

    .score-title {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 20px;
      color: rgba(255, 255, 255, .74);
      font-size: 14px;
    }

    .vs-box {
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 18px;
      text-align: center;
    }

    .team {
      padding: 18px 12px;
      border-radius: 16px;
      background: rgba(255, 255, 255, .075);
      border: 1px solid rgba(255, 255, 255, .1);
    }

    .team strong {
      display: block;
      margin-bottom: 5px;
      font-size: 20px;
    }

    .team span {
      color: rgba(255, 255, 255, .62);
      font-size: 13px;
    }

    .vs {
      width: 62px;
      height: 62px;
      border-radius: 50%;
      display: inline-grid;
      place-items: center;
      color: var(--ink);
      background: var(--cyan);
      font-family: var(--mono);
      font-weight: 950;
      box-shadow: 0 10px 28px rgba(36, 214, 163, .24);
    }

    .score-note {
      margin-top: 18px;
      color: rgba(255, 255, 255, .62);
      font-size: 14px;
    }

    .metric-list {
      display: grid;
      gap: 12px;
    }

    .metric {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 16px;
      border-radius: 16px;
      background: rgba(255, 255, 255, .055);
      border: 1px solid rgba(255, 255, 255, .1);
    }

    .metric span {
      color: rgba(255, 255, 255, .66);
      font-size: 14px;
    }

    .metric strong {
      color: var(--amber);
      font-family: var(--mono);
      font-size: 18px;
    }

    .steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .step-card {
      position: relative;
      padding: 24px 20px;
      border-radius: var(--radius-lg);
      background: var(--white);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
    }

    .step-number {
      width: 42px;
      height: 42px;
      display: inline-grid;
      place-items: center;
      margin-bottom: 16px;
      border-radius: 13px;
      color: var(--ink);
      background: linear-gradient(135deg, var(--cyan), var(--amber));
      font-family: var(--mono);
      font-weight: 950;
    }

    .step-card h3 {
      margin-bottom: 8px;
      font-size: 20px;
      line-height: 1.32;
    }

    .step-card p {
      margin-bottom: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .compliance-board {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      padding: 24px;
      border-radius: 28px;
      background: var(--white);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .audit-item {
      display: flex;
      gap: 14px;
      padding: 18px;
      border-radius: 18px;
      background: var(--paper-2);
      border: 1px solid var(--line);
    }

    .audit-icon {
      flex: 0 0 auto;
      width: 38px;
      height: 38px;
      display: inline-grid;
      place-items: center;
      border-radius: 12px;
      color: var(--ink);
      background: var(--cyan);
      font-weight: 950;
    }

    .audit-item h3 {
      margin-bottom: 5px;
      font-size: 18px;
    }

    .audit-item p {
      margin-bottom: 0;
      color: var(--muted);
      font-size: 15px;
    }

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

    .faq-item {
      padding: 20px 22px;
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, .78);
      border: 1px solid var(--line);
      box-shadow: 0 6px 18px rgba(17, 19, 23, .05);
    }

    .faq-item summary {
      cursor: pointer;
      list-style: none;
      font-weight: 950;
      font-size: 18px;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      content: "+";
      float: right;
      color: var(--cyan);
      font-family: var(--mono);
      font-size: 22px;
      line-height: 1;
    }

    .faq-item[open] {
      background: linear-gradient(135deg, rgba(36, 214, 163, .1), rgba(231, 184, 90, .08));
      border-color: rgba(36, 214, 163, .28);
    }

    .faq-item[open] summary::after {
      content: "–";
    }

    .faq-item p {
      margin: 12px 0 0;
      color: var(--muted);
    }

    .risk-cta {
      position: relative;
      overflow: hidden;
      padding: 36px;
      border-radius: 30px;
      color: var(--white);
      background:
        linear-gradient(135deg, rgba(17, 19, 23, .98), rgba(27, 31, 37, .96)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border: 1px solid var(--line-dark);
      box-shadow: 0 22px 58px rgba(17, 19, 23, .2);
    }

    .risk-cta::after {
      content: "";
      position: absolute;
      right: -80px;
      bottom: -110px;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(217, 100, 74, .28), transparent 62%);
      pointer-events: none;
    }

    .risk-cta-content {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
    }

    .risk-cta h2 {
      margin-bottom: 8px;
      font-size: 30px;
      line-height: 1.25;
    }

    .risk-cta p {
      max-width: 760px;
      margin-bottom: 0;
      color: rgba(255, 255, 255, .74);
    }

    .site-footer {
      padding: 56px 0 26px;
      color: rgba(255, 255, 255, .72);
      background: var(--ink);
      border-top: 1px solid var(--line-dark);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr .7fr 1fr;
      gap: 34px;
      align-items: start;
    }

    .footer-logo {
      margin-bottom: 14px;
    }

    .footer-grid p {
      max-width: 470px;
      margin-bottom: 0;
      color: rgba(255, 255, 255, .64);
      font-size: 15px;
    }

    .footer-title {
      margin-bottom: 14px;
      color: var(--white);
      font-weight: 950;
    }

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

    .footer-links a {
      color: rgba(255, 255, 255, .64);
    }

    .footer-links a:hover {
      color: var(--cyan);
      transform: translateX(2px);
    }

    .footer-risk {
      padding: 15px;
      border-radius: 16px;
      color: rgba(255, 255, 255, .82);
      background: rgba(217, 100, 74, .12);
      border: 1px solid rgba(217, 100, 74, .34);
      font-size: 14px;
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      margin-top: 36px;
      padding-top: 22px;
      border-top: 1px solid var(--line-dark);
      color: rgba(255, 255, 255, .48);
      font-size: 14px;
    }

    @media (max-width: 1024px) {
      .header-cta {
        display: none;
      }

      .layout-grid,
      .score-grid,
      .risk-cta-content {
        grid-template-columns: 1fr;
      }

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

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

      .footer-grid > div:first-child {
        grid-column: 1 / -1;
      }
    }

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

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

      .site-logo span:last-child {
        max-width: 180px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .menu-toggle {
        display: inline-block;
      }

      .nav-wrap {
        position: absolute;
        left: 14px;
        right: 14px;
        top: calc(100% + 10px);
        display: none;
        padding: 14px;
        border-radius: 22px;
        background: rgba(17, 19, 23, .98);
        border: 1px solid var(--line-dark);
        box-shadow: 0 20px 46px rgba(0, 0, 0, .24);
      }

      .nav-wrap.open {
        display: block;
      }

      .main-nav {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        border-radius: 16px;
        background: transparent;
      }

      .main-nav a {
        text-align: center;
        min-height: 44px;
      }

      .page-hero {
        padding: 62px 0 46px;
      }

      .hero-lead {
        font-size: 16px;
      }

      .hero-meta {
        grid-template-columns: 1fr;
      }

      .section,
      .section-tight {
        padding: 54px 0;
      }

      .section-head {
        display: block;
      }

      .feature-points,
      .compliance-board {
        grid-template-columns: 1fr;
      }

      .guide-card {
        grid-template-columns: 1fr;
      }

      .guide-cover {
        min-height: 200px;
      }

      .score-panel {
        padding: 20px;
        border-radius: 22px;
      }

      .vs-box {
        grid-template-columns: 1fr;
      }

      .vs {
        margin: 0 auto;
      }

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

      .risk-cta {
        padding: 26px;
        border-radius: 24px;
      }

      .footer-grid,
      .copyright {
        grid-template-columns: 1fr;
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .brand-mark {
        width: 40px;
        height: 40px;
      }

      .btn {
        width: 100%;
      }

      .tagbar {
        padding: 12px;
      }

      .tag {
        flex: 1 1 auto;
        min-height: 42px;
      }

      .feature-body,
      .side-card,
      .compliance-board {
        padding: 18px;
      }

      .feature-body h2 {
        font-size: 25px;
      }

      .audit-item {
        padding: 15px;
      }
    }