/* roulang page: index */
:root{
      --ink:#111315;
      --ink-2:#24282b;
      --muted:#657077;
      --soft:#f7f8fa;
      --soft-2:#eef3f4;
      --line:#dfe6e8;
      --line-strong:#c7d2d6;
      --white:#ffffff;
      --cyan:#13d6b0;
      --cyan-dark:#0ea98e;
      --blue:#2f8cff;
      --coral:#ff6b57;
      --amber:#f6b94b;
      --radius:14px;
      --radius-sm:10px;
      --shadow:0 18px 50px rgba(17,19,21,.08);
      --shadow-sm:0 10px 28px rgba(17,19,21,.06);
      --max:1220px;
    }
    *{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(--ink);
      background:
        linear-gradient(90deg,rgba(17,19,21,.035) 1px,transparent 1px),
        linear-gradient(180deg,rgba(17,19,21,.025) 1px,transparent 1px),
        var(--soft);
      background-size:48px 48px;
      line-height:1.72;
      letter-spacing:0;
      padding-bottom:0;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(19,214,176,.35);outline-offset:3px}
    .site-container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(223,230,232,.85);
      transition:box-shadow .2s ease,border-color .2s ease;
    }
    .site-header.is-scrolled{box-shadow:0 14px 30px rgba(17,19,21,.08);border-color:transparent}
    .nav-wrap{height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:900;
      color:var(--ink);
      white-space:nowrap;
    }
    .brand-mark{
      width:34px;
      height:34px;
      border-radius:10px;
      background:var(--ink);
      color:var(--cyan);
      display:grid;
      place-items:center;
      box-shadow:inset 0 0 0 1px rgba(19,214,176,.25);
      font-size:15px;
      font-weight:900;
    }
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a{
      padding:10px 14px;
      border-radius:999px;
      color:#485158;
      font-size:15px;
      font-weight:700;
      transition:background .18s ease,color .18s ease,transform .18s ease;
    }
    .nav-links a:hover{background:var(--soft-2);color:var(--ink);transform:translateY(-1px)}
    .nav-links a.active{background:var(--ink);color:var(--white)}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 20px;
      border-radius:999px;
      font-weight:850;
      transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
      white-space:nowrap;
    }
    .btn svg{width:17px;height:17px;transition:transform .18s ease}
    .btn:hover{transform:translateY(-2px)}
    .btn:hover svg{transform:translateX(2px)}
    .btn-primary{background:var(--ink);color:var(--white);box-shadow:0 12px 26px rgba(17,19,21,.18)}
    .btn-primary:hover{background:#000;box-shadow:0 18px 34px rgba(17,19,21,.22)}
    .btn-accent{background:var(--cyan);color:#071311;box-shadow:0 14px 30px rgba(19,214,176,.26)}
    .btn-accent:hover{background:#22e7c1}
    .btn-secondary{background:var(--white);color:var(--ink);border:1px solid var(--line)}
    .btn-secondary:hover{border-color:var(--cyan);box-shadow:0 12px 26px rgba(19,214,176,.14)}
    .mobile-consult{display:none}
    .hero{
      position:relative;
      padding:34px 0 76px;
      overflow:hidden;
    }
    .hero-stage{
      min-height:590px;
      border-radius:28px;
      background:
        radial-gradient(circle at 16% 18%,rgba(19,214,176,.18),transparent 28%),
        linear-gradient(135deg,#ffffff 0%,#f5f8f9 45%,#111315 45.2%,#171b1e 100%);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      overflow:hidden;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      align-items:stretch;
    }
    .hero-copy{padding:62px 56px 52px;display:flex;flex-direction:column;justify-content:space-between;gap:34px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
      padding:7px 11px;
      border-radius:999px;
      background:#e9fbf7;
      color:#087864;
      font-size:13px;
      font-weight:900;
      border:1px solid rgba(19,214,176,.22);
    }
    .status-dot{width:8px;height:8px;border-radius:999px;background:var(--cyan);box-shadow:0 0 0 5px rgba(19,214,176,.12)}
    h1{
      margin:18px 0 18px;
      font-size:clamp(34px,5.2vw,62px);
      line-height:1.08;
      font-weight:950;
      letter-spacing:0;
      max-width:760px;
    }
    .hero-copy p{font-size:17px;color:#465058;max-width:680px;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .hero-point{
      padding:16px;
      border:1px solid var(--line);
      border-radius:16px;
      background:rgba(255,255,255,.78);
    }
    .hero-point strong{display:block;font-size:22px;line-height:1;color:var(--ink)}
    .hero-point span{display:block;margin-top:8px;color:var(--muted);font-size:13px}
    .hero-panel{
      color:var(--white);
      padding:34px;
      display:grid;
      align-content:center;
      gap:16px;
    }
    .live-cover{
      position:relative;
      min-height:420px;
      border-radius:24px;
      overflow:hidden;
      background:
        linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.02)),
        repeating-linear-gradient(90deg,rgba(19,214,176,.08) 0,rgba(19,214,176,.08) 1px,transparent 1px,transparent 36px),
        #111315;
      border:1px solid rgba(255,255,255,.14);
      box-shadow:0 22px 60px rgba(0,0,0,.22);
    }
    .cover-top,.cover-bottom{position:absolute;left:22px;right:22px;display:flex;align-items:center;justify-content:space-between;gap:14px}
    .cover-top{top:22px}
    .cover-bottom{bottom:22px;align-items:flex-end}
    .cover-title{
      position:absolute;
      left:28px;
      right:28px;
      top:45%;
      transform:translateY(-50%);
    }
    .cover-title b{display:block;font-size:34px;line-height:1.12;font-weight:950}
    .cover-title span{display:block;margin-top:12px;color:#b8c3c7;font-size:15px}
    .countdown{display:flex;gap:8px}
    .time-box{
      width:62px;
      padding:10px 6px;
      border-radius:12px;
      text-align:center;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .time-box strong{display:block;font-size:20px;line-height:1;color:var(--cyan)}
    .time-box small{display:block;margin-top:6px;color:#9aa6ab;font-size:12px}
    .quality-stack{display:grid;gap:10px;width:min(260px,100%)}
    .quality-row{padding:12px;border-radius:14px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12)}
    .quality-row div{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:#dce5e8}
    .bar{height:6px;border-radius:999px;background:rgba(255,255,255,.12);margin-top:9px;overflow:hidden}
    .bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--cyan),#86ffe7)}
    .section{padding:76px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:30px}
    .section-kicker{color:var(--cyan-dark);font-size:13px;font-weight:950;margin-bottom:8px}
    .section h2{font-size:clamp(28px,3.3vw,42px);line-height:1.18;font-weight:950;margin:0}
    .section-desc{max-width:640px;color:var(--muted);margin:0;font-size:16px}
    .card{
      background:rgba(255,255,255,.9);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-sm);
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
      position:relative;
      overflow:hidden;
    }
    .card:before{
      content:"";
      position:absolute;
      left:0;
      top:0;
      width:100%;
      height:3px;
      background:transparent;
      transition:background .2s ease;
    }
    .card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(19,214,176,.34)}
    .card:hover:before{background:var(--cyan)}
    .badge,.tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:6px 10px;
      font-size:12px;
      font-weight:900;
      line-height:1;
      border:1px solid var(--line);
      background:var(--white);
      color:#4e5960;
      white-space:nowrap;
    }
    .badge-hot{background:#fff0ed;color:#b83a28;border-color:#ffd1c9}
    .badge-green{background:#e9fbf7;color:#087864;border-color:#b8f1e5}
    .case-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .case-main{padding:30px;display:grid;grid-template-columns:1fr .72fr;gap:22px;align-items:center}
    .quote{font-size:24px;line-height:1.36;font-weight:900;margin:16px 0;color:var(--ink)}
    .case-note{color:var(--muted);margin:0}
    .case-mini{padding:24px;display:grid;gap:14px}
    .mini-row{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid var(--line)}
    .mini-row:last-child{border-bottom:0}
    .mini-row span{color:var(--muted)}
    .mini-row b{font-weight:950}
    .tier-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .tier{padding:24px;min-height:286px;display:flex;flex-direction:column}
    .tier.dark{background:#111315;color:var(--white);border-color:#111315;box-shadow:0 24px 60px rgba(17,19,21,.22)}
    .tier h3{font-size:22px;font-weight:950;margin:14px 0 8px}
    .tier p{color:var(--muted);margin:0}
    .tier.dark p{color:#b7c2c6}
    .tier ul{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:10px}
    .tier li{display:flex;gap:9px;color:#465158;font-size:14px}
    .tier.dark li{color:#e8f0f2}
    .check{color:var(--cyan);font-weight:950}
    .metrics-band{background:#111315;color:var(--white);padding:48px 0;border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}
    .metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12);border-radius:18px;overflow:hidden}
    .metric{background:#15191c;padding:26px}
    .metric strong{display:block;font-size:36px;line-height:1;color:var(--cyan);font-weight:950}
    .metric span{display:block;margin-top:10px;color:#b8c4c8;font-size:14px}
    .compare-wrap{overflow:hidden;border-radius:18px;border:1px solid var(--line);background:var(--white);box-shadow:var(--shadow-sm)}
    .compare-table{width:100%;border-collapse:collapse}
    .compare-table th,.compare-table td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
    .compare-table th{background:#f3f6f7;font-size:14px;color:#485158}
    .compare-table tr:last-child td{border-bottom:0}
    .compare-table td:first-child{font-weight:900;color:var(--ink);width:23%}
    .recommend{position:relative;background:#f2fffb}
    .recommend:after{content:"推荐";position:absolute;right:14px;top:12px;border-radius:999px;background:var(--cyan);color:#061312;font-size:11px;font-weight:950;padding:5px 8px}
    .before-after{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .panel{padding:28px;border-radius:18px;border:1px solid var(--line);background:var(--white);box-shadow:var(--shadow-sm)}
    .panel h3{font-size:24px;font-weight:950;margin:0 0 16px}
    .panel-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
    .panel-list li{display:flex;gap:10px;padding:12px;border-radius:12px;background:#f7f8fa;color:#4b555b}
    .panel.good{border-color:rgba(19,214,176,.38);background:linear-gradient(180deg,#ffffff,#f0fffb)}
    .news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
    .news-list{background:var(--white);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .news-item{display:grid;grid-template-columns:120px 1fr auto;gap:18px;align-items:center;padding:20px;border-bottom:1px solid var(--line);transition:background .18s ease}
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:#f4fbf9}
    .news-date{font-weight:950;color:var(--cyan-dark)}
    .news-item h3{font-size:17px;font-weight:950;margin:0 0 4px}
    .news-item p{margin:0;color:var(--muted);font-size:14px}
    .arrow{color:var(--muted);transition:transform .18s ease,color .18s ease}
    .news-item:hover .arrow{transform:translateX(3px);color:var(--cyan-dark)}
    .insight-card{padding:28px;background:#111315;color:var(--white);border-radius:18px;box-shadow:0 22px 54px rgba(17,19,21,.2)}
    .insight-card blockquote{margin:18px 0;font-size:22px;line-height:1.45;font-weight:900}
    .insight-card p{color:#b9c4c8;margin:0}
    .limited{padding:0 0 76px}
    .limited-box{
      display:grid;
      grid-template-columns:1fr auto;
      align-items:center;
      gap:24px;
      padding:30px;
      border-radius:22px;
      color:var(--white);
      background:
        linear-gradient(90deg,rgba(19,214,176,.16),transparent 38%),
        #111315;
      border:1px solid rgba(19,214,176,.22);
      box-shadow:0 24px 58px rgba(17,19,21,.2);
    }
    .limited h2{font-size:32px;margin:0 0 8px;font-weight:950}
    .limited p{margin:0;color:#bdc8cc}
    .signal{display:flex;align-items:center;gap:10px;margin-bottom:12px;color:#dceeed;font-weight:900}
    .signal i{width:10px;height:10px;background:var(--cyan);border-radius:999px;box-shadow:0 0 0 7px rgba(19,214,176,.14)}
    .form-section{padding:76px 0 92px;background:linear-gradient(180deg,#eef3f4,#f7f8fa)}
    .form-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:22px;align-items:start}
    .process-card{padding:30px}
    .steps{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:16px}
    .steps li{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:start}
    .step-num{width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--cyan);display:grid;place-items:center;font-weight:950}
    .steps b{display:block;font-weight:950}
    .steps span{display:block;color:var(--muted);font-size:14px;margin-top:3px}
    .lead-form{padding:28px;background:#111315;color:var(--white);border-radius:18px;border:1px solid rgba(255,255,255,.12);box-shadow:0 28px 70px rgba(17,19,21,.23)}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:7px;margin-bottom:14px}
    .field label{font-size:13px;font-weight:900;color:#dfe8eb}
    .field input,.field select,.field textarea{
      width:100%;
      min-height:46px;
      border-radius:12px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.07);
      color:var(--white);
      padding:11px 13px;
      outline:none;
      transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
    }
    .field select option{color:var(--ink)}
    .field textarea{min-height:104px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:#89969b}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:var(--cyan);
      box-shadow:0 0 0 4px rgba(19,214,176,.12);
      background:rgba(255,255,255,.1);
    }
    .privacy{font-size:13px;color:#aebabe;margin:12px 0 0}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .faq-item{padding:22px;background:var(--white);border:1px solid var(--line);border-radius:16px}
    .faq-item h3{font-size:17px;font-weight:950;margin:0 0 8px}
    .faq-item p{margin:0;color:var(--muted)}
    .site-footer{background:#111315;color:var(--white);padding:52px 0 88px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:28px}
    .footer-brand{display:flex;align-items:center;gap:10px;font-weight:950;font-size:18px}
    .footer-text{color:#b8c4c8;max-width:520px;margin:16px 0 0}
    .footer-col h3{font-size:15px;margin:0 0 12px;font-weight:950}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:#c6d0d4;transition:color .18s ease}
    .footer-links a:hover{color:var(--cyan)}
    .copyright{margin-top:32px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);color:#95a2a7;font-size:13px}
    .mobile-tabs{
      display:none;
      position:fixed;
      left:12px;
      right:12px;
      bottom:12px;
      z-index:60;
      grid-template-columns:repeat(3,1fr);
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(18px);
      border:1px solid var(--line);
      border-radius:20px;
      box-shadow:0 18px 48px rgba(17,19,21,.16);
      overflow:hidden;
    }
    .mobile-tabs a{
      min-height:62px;
      display:grid;
      place-items:center;
      gap:2px;
      color:#5e686f;
      font-size:12px;
      font-weight:850;
      position:relative;
    }
    .mobile-tabs svg{width:19px;height:19px}
    .mobile-tabs a.active{color:var(--ink)}
    .mobile-tabs a.active:before{
      content:"";
      position:absolute;
      top:7px;
      width:5px;
      height:5px;
      border-radius:999px;
      background:var(--cyan);
    }
    @media (max-width:1024px){
      .hero-stage{grid-template-columns:1fr}
      .hero-copy{padding:46px 34px}
      .hero-panel{padding:0 34px 34px}
      .live-cover{min-height:380px}
      .tier-grid,.metrics-grid{grid-template-columns:repeat(2,1fr)}
      .case-grid,.case-main,.news-layout,.form-grid{grid-template-columns:1fr}
      .section-head{align-items:start;flex-direction:column}
    }
    @media (max-width:768px){
      body{padding-bottom:82px;background-size:36px 36px}
      .site-container{width:min(100% - 32px,var(--max))}
      .nav-wrap{height:64px}
      .nav-links,.nav-cta .desktop-only{display:none}
      .mobile-consult{display:inline-flex}
      .brand span{font-size:15px}
      .hero{padding:22px 0 54px}
      .hero-stage{border-radius:22px;min-height:auto}
      .hero-copy{padding:34px 22px}
      .hero-copy p{font-size:16px}
      .hero-actions{display:grid;grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
      .hero-panel{padding:0 18px 22px}
      .live-cover{min-height:360px;border-radius:18px}
      .cover-top,.cover-bottom{left:16px;right:16px;flex-direction:column;align-items:flex-start}
      .cover-title{left:18px;right:18px}
      .cover-title b{font-size:28px}
      .countdown{width:100%;justify-content:space-between}
      .time-box{width:31%}
      .quality-stack{width:100%}
      .section{padding:56px 0}
      .tier-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px}
      .tier{min-width:78%;scroll-snap-align:start}
      .metrics-grid,.before-after,.faq-grid,.footer-grid{grid-template-columns:1fr}
      .compare-wrap{background:transparent;border:0;box-shadow:none;border-radius:0}
      .compare-table,.compare-table tbody,.compare-table tr,.compare-table td,.compare-table th{display:block;width:100%}
      .compare-table thead{display:none}
      .compare-table tr{margin-bottom:14px;border:1px solid var(--line);border-radius:16px;background:var(--white);box-shadow:var(--shadow-sm);overflow:hidden}
      .compare-table td{border-bottom:1px solid var(--line)}
      .compare-table td:before{content:attr(data-label);display:block;font-size:12px;color:var(--muted);font-weight:900;margin-bottom:4px}
      .recommend:after{top:10px}
      .news-item{grid-template-columns:1fr;gap:8px}
      .limited{padding:0 0 56px}
      .limited-box{grid-template-columns:1fr;padding:24px}
      .limited .btn{width:100%}
      .form-row{grid-template-columns:1fr}
      .site-footer{padding-bottom:104px}
      .mobile-tabs{display:grid}
    }
    @media (max-width:520px){
      .site-container{width:min(100% - 28px,var(--max))}
      h1{font-size:34px}
      .section h2{font-size:28px}
      .hero-stage{border-radius:18px}
      .btn{width:100%;min-height:48px}
      .mobile-consult{width:auto;min-height:40px;padding:0 14px}
      .case-main,.panel,.process-card,.lead-form{padding:22px}
      .quote{font-size:21px}
      .metric{padding:22px}
    }

/* roulang page: category1 */
:root{
      --bg:#f7f8fa;
      --surface:#ffffff;
      --surface-soft:#eef3f4;
      --ink:#111315;
      --text:#202428;
      --muted:#667077;
      --line:#dfe6e8;
      --line-strong:#c8d4d7;
      --primary:#10bfa4;
      --primary-dark:#07917d;
      --primary-soft:#dff9f4;
      --accent:#ff6b57;
      --accent-soft:#fff0ed;
      --dark:#111315;
      --radius:14px;
      --radius-sm:10px;
      --shadow:0 18px 50px rgba(17,19,21,.08);
      --shadow-soft:0 10px 28px rgba(17,19,21,.06);
      --container:1200px;
    }
    *{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(17,19,21,.035) 1px, transparent 1px),
        linear-gradient(180deg, rgba(17,19,21,.025) 1px, transparent 1px),
        var(--bg);
      background-size:42px 42px;
      line-height:1.7;
      letter-spacing:0;
      padding-bottom:0;
    }
    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    input,select,textarea{width:100%}
    :focus-visible{outline:3px solid rgba(16,191,164,.28);outline-offset:3px}
    .site-container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(223,230,232,.9);
      transition:box-shadow .2s ease,border-color .2s ease;
    }
    .site-header:hover{box-shadow:0 10px 26px rgba(17,19,21,.06)}
    .nav-wrap{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand,.footer-brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:800;
      color:var(--ink);
      white-space:nowrap;
    }
    .brand-mark{
      width:34px;
      height:34px;
      display:inline-grid;
      place-items:center;
      border-radius:10px;
      background:var(--ink);
      color:#fff;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.12),0 10px 22px rgba(17,19,21,.16);
      font-size:18px;
      line-height:1;
    }
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      padding:6px;
      border:1px solid var(--line);
      background:#fff;
      border-radius:999px;
      box-shadow:0 8px 22px rgba(17,19,21,.04);
    }
    .nav-links a{
      padding:9px 15px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      transition:background .18s ease,color .18s ease,transform .18s ease;
    }
    .nav-links a:hover{background:var(--surface-soft);color:var(--ink);transform:translateY(-1px)}
    .nav-links a.active{background:var(--ink);color:#fff}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{
      min-height:42px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      padding:10px 18px;
      border:1px solid transparent;
      font-weight:800;
      font-size:14px;
      transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,background .18s ease,color .18s ease;
      cursor:pointer;
      white-space:nowrap;
    }
    .btn svg{width:17px;height:17px;transition:transform .18s ease}
    .btn:hover{transform:translateY(-2px)}
    .btn:hover svg{transform:translateX(3px)}
    .btn-primary{background:var(--primary);color:#061b18;box-shadow:0 12px 28px rgba(16,191,164,.24)}
    .btn-primary:hover{background:#17d5b9;box-shadow:0 16px 36px rgba(16,191,164,.3)}
    .btn-accent{background:var(--ink);color:#fff;box-shadow:0 14px 30px rgba(17,19,21,.16)}
    .btn-accent:hover{border-color:rgba(16,191,164,.5)}
    .btn-secondary{background:#fff;color:var(--ink);border-color:var(--line)}
    .btn-secondary:hover{border-color:var(--primary);box-shadow:var(--shadow-soft)}
    .mobile-consult{display:none}
    main{overflow:hidden}
    .section{padding:84px 0}
    .section-tight{padding:56px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      color:var(--primary-dark);
      background:var(--primary-soft);
      border:1px solid rgba(16,191,164,.28);
      font-weight:800;
      font-size:13px;
    }
    .status-dot{
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--primary);
      box-shadow:0 0 0 5px rgba(16,191,164,.13);
      flex:0 0 auto;
    }
    .hero{
      padding:62px 0 44px;
      background:
        radial-gradient(circle at 78% 24%, rgba(16,191,164,.13), transparent 28%),
        linear-gradient(180deg, rgba(255,255,255,.72), rgba(247,248,250,.88));
    }
    .hero-layout{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);
      gap:38px;
      align-items:stretch;
    }
    .hero-copy h1{
      margin:18px 0 18px;
      color:var(--ink);
      font-weight:900;
      line-height:1.05;
      font-size:clamp(32px,5vw,58px);
      letter-spacing:0;
    }
    .hero-copy p{
      max-width:690px;
      margin:0;
      color:var(--muted);
      font-size:17px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .hero-mini{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      margin-top:34px;
      max-width:700px;
    }
    .metric{
      background:rgba(255,255,255,.86);
      border:1px solid var(--line);
      border-radius:var(--radius-sm);
      padding:14px;
      box-shadow:var(--shadow-soft);
    }
    .metric b{display:block;color:var(--ink);font-size:21px;line-height:1.2}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
    .coupon-wall{
      position:relative;
      min-height:440px;
      border-radius:22px;
      background:var(--dark);
      color:#fff;
      padding:22px;
      box-shadow:0 30px 70px rgba(17,19,21,.22);
      overflow:hidden;
    }
    .coupon-wall:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255,255,255,.06) 1px, transparent 1px);
      background-size:34px 34px;
      opacity:.45;
      pointer-events:none;
    }
    .coupon-main,.coupon-strip,.quality-panel{position:relative;z-index:1}
    .coupon-main{
      border:1px solid rgba(16,191,164,.45);
      border-radius:18px;
      padding:22px;
      background:linear-gradient(135deg, rgba(16,191,164,.22), rgba(255,255,255,.06));
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
    }
    .coupon-top{display:flex;align-items:center;justify-content:space-between;gap:16px}
    .coupon-label{color:#adfff1;font-size:13px;font-weight:800}
    .coupon-badge{
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,107,87,.15);
      color:#ffd4cd;
      border:1px solid rgba(255,107,87,.38);
      font-size:12px;
      font-weight:800;
    }
    .coupon-main strong{display:block;margin-top:16px;font-size:32px;line-height:1.15;color:#fff}
    .coupon-main p{margin:10px 0 18px;color:#c9d7d5;font-size:14px}
    .coupon-strip{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin-top:14px;
    }
    .mini-ticket{
      border:1px solid rgba(255,255,255,.14);
      border-radius:14px;
      padding:14px;
      background:rgba(255,255,255,.06);
    }
    .mini-ticket span{display:block;color:#9aa8a7;font-size:12px}
    .mini-ticket b{display:block;color:#fff;margin-top:4px}
    .quality-panel{
      margin-top:14px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);
      padding:16px;
    }
    .quality-row{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:10px 0;color:#d8e3e1;font-size:13px}
    .bar{height:7px;flex:1;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden}
    .bar i{display:block;height:100%;border-radius:999px;background:var(--primary)}
    .filter-shell{
      display:flex;
      align-items:center;
      gap:12px;
      padding:12px;
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(255,255,255,.82);
      box-shadow:var(--shadow-soft);
      overflow:auto;
      scrollbar-width:none;
    }
    .filter-shell::-webkit-scrollbar{display:none}
    .filter-label{font-weight:900;color:var(--ink);white-space:nowrap;padding:0 6px}
    .pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      white-space:nowrap;
      border:1px solid var(--line);
      background:#fff;
      border-radius:999px;
      padding:9px 13px;
      color:var(--muted);
      font-size:14px;
      font-weight:800;
      transition:transform .18s ease,border-color .18s ease,color .18s ease,background .18s ease;
    }
    .pill:hover,.pill.active{transform:translateY(-1px);border-color:var(--primary);color:var(--ink);background:var(--primary-soft)}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:28px;
    }
    .section-head h2{
      margin:12px 0 0;
      color:var(--ink);
      font-weight:900;
      font-size:clamp(26px,3.4vw,38px);
      line-height:1.18;
    }
    .section-head p{max-width:560px;margin:0;color:var(--muted)}
    .list-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .standard-card{
      position:relative;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:22px;
      box-shadow:var(--shadow-soft);
      transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
      overflow:hidden;
    }
    .standard-card:before{
      content:"";
      position:absolute;
      top:0;
      left:22px;
      right:22px;
      height:3px;
      background:var(--primary);
      transform:scaleX(.34);
      transform-origin:left;
      transition:transform .18s ease;
    }
    .standard-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(16,191,164,.42)}
    .standard-card:hover:before{transform:scaleX(1)}
    .card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:14px}
    .standard-card h3{margin:0;color:var(--ink);font-size:21px;line-height:1.3;font-weight:900}
    .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
    .tag{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:5px 9px;
      font-size:12px;
      font-weight:800;
      background:var(--surface-soft);
      color:#526064;
      border:1px solid rgba(200,212,215,.7);
    }
    .tag.green{background:var(--primary-soft);color:var(--primary-dark);border-color:rgba(16,191,164,.25)}
    .tag.orange{background:var(--accent-soft);color:#b44635;border-color:rgba(255,107,87,.22)}
    .standard-card p{margin:0;color:var(--muted)}
    .card-meta{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:10px;
      margin:18px 0;
    }
    .meta-box{
      border:1px solid var(--line);
      border-radius:12px;
      padding:10px;
      background:#fbfcfc;
    }
    .meta-box span{display:block;color:var(--muted);font-size:12px}
    .meta-box b{display:block;color:var(--ink);font-size:14px;margin-top:2px}
    .compare-band{
      background:var(--dark);
      color:#fff;
      border-radius:24px;
      padding:30px;
      box-shadow:0 24px 60px rgba(17,19,21,.18);
    }
    .compare-grid{
      display:grid;
      grid-template-columns:1.1fr repeat(3,1fr);
      border:1px solid rgba(255,255,255,.14);
      border-radius:18px;
      overflow:hidden;
    }
    .compare-cell{
      min-height:76px;
      padding:16px;
      border-right:1px solid rgba(255,255,255,.12);
      border-bottom:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.035);
    }
    .compare-cell:nth-child(4n){border-right:0}
    .compare-cell:nth-last-child(-n+4){border-bottom:0}
    .compare-cell.head{background:rgba(16,191,164,.13);font-weight:900;color:#eafffb}
    .compare-cell b{display:block;font-weight:900;color:#fff}
    .compare-cell span{display:block;color:#b9c6c4;font-size:13px;margin-top:4px}
    .dark-title{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:20px}
    .dark-title h2{margin:0;color:#fff;font-size:clamp(25px,3vw,36px);font-weight:900}
    .dark-title p{margin:0;color:#b9c6c4;max-width:520px}
    .timeline{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:14px;
    }
    .step{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:20px;
      box-shadow:var(--shadow-soft);
    }
    .step-num{
      width:34px;
      height:34px;
      display:grid;
      place-items:center;
      border-radius:10px;
      background:var(--ink);
      color:#fff;
      font-weight:900;
      margin-bottom:14px;
    }
    .step h3{margin:0 0 8px;color:var(--ink);font-size:18px;font-weight:900}
    .step p{margin:0;color:var(--muted);font-size:14px}
    .cta-band{
      display:grid;
      grid-template-columns:1fr auto;
      gap:22px;
      align-items:center;
      padding:26px;
      border-radius:22px;
      background:linear-gradient(135deg,#ffffff,#eef8f6);
      border:1px solid rgba(16,191,164,.28);
      box-shadow:var(--shadow);
    }
    .cta-band h2{margin:0;color:var(--ink);font-weight:900;font-size:clamp(24px,3vw,34px)}
    .cta-band p{margin:8px 0 0;color:var(--muted)}
    .form-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:start;
    }
    .form-note,.consult-form{
      border:1px solid var(--line);
      background:#fff;
      border-radius:var(--radius);
      padding:24px;
      box-shadow:var(--shadow-soft);
    }
    .check-list{display:grid;gap:12px;margin-top:18px}
    .check-item{display:flex;gap:10px;color:var(--muted)}
    .check-icon{
      width:22px;
      height:22px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      display:grid;
      place-items:center;
      flex:0 0 auto;
      font-weight:900;
      line-height:1;
    }
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field.full{grid-column:1/-1}
    .field label{display:block;margin-bottom:7px;color:var(--ink);font-weight:900;font-size:14px}
    .field input,.field select,.field textarea{
      border:1px solid var(--line);
      border-radius:12px;
      min-height:46px;
      padding:11px 12px;
      background:#fbfcfc;
      color:var(--text);
      transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
    }
    .field textarea{min-height:112px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{
      outline:none;
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(16,191,164,.12);
      background:#fff;
    }
    .form-tip{margin:12px 0 0;color:var(--muted);font-size:13px}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:20px;
      box-shadow:0 8px 20px rgba(17,19,21,.04);
    }
    .faq-item h3{margin:0 0 8px;color:var(--ink);font-size:18px;font-weight:900}
    .faq-item p{margin:0;color:var(--muted)}
    .site-footer{
      background:var(--dark);
      color:#fff;
      padding:56px 0 26px;
      margin-top:40px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .7fr .7fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .site-footer .brand-mark{background:#fff;color:var(--ink)}
    .footer-text{max-width:460px;color:#aebbb9;margin:16px 0 0}
    .footer-col h3{margin:0 0 14px;color:#fff;font-size:16px;font-weight:900}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:#aebbb9;transition:color .18s ease,transform .18s ease}
    .footer-links a:hover,.footer-links a.active{color:#adfff1;transform:translateX(2px)}
    .copyright{padding-top:22px;color:#84908f;font-size:13px}
    .bottom-tabs{
      position:fixed;
      left:12px;
      right:12px;
      bottom:12px;
      z-index:60;
      display:none;
      grid-template-columns:repeat(4,1fr);
      gap:6px;
      padding:8px;
      border:1px solid rgba(223,230,232,.95);
      border-radius:22px;
      background:rgba(255,255,255,.94);
      backdrop-filter:blur(18px);
      box-shadow:0 18px 44px rgba(17,19,21,.16);
    }
    .bottom-tabs a{
      position:relative;
      min-height:48px;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:3px;
      border-radius:16px;
      color:#667077;
      font-size:12px;
      font-weight:900;
      transition:background .18s ease,color .18s ease;
    }
    .bottom-tabs svg{width:19px;height:19px}
    .bottom-tabs a.active{background:var(--ink);color:#fff}
    .bottom-tabs a.active:after{
      content:"";
      position:absolute;
      top:5px;
      width:5px;
      height:5px;
      border-radius:999px;
      background:var(--primary);
    }
    @media (max-width:1024px){
      .hero-layout,.form-wrap{grid-template-columns:1fr}
      .coupon-wall{min-height:auto}
      .timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:1fr 1fr}
      .compare-grid{grid-template-columns:1fr 1fr}
      .compare-cell:nth-child(4n){border-right:1px solid rgba(255,255,255,.12)}
      .compare-cell:nth-child(2n){border-right:0}
      .compare-cell:nth-last-child(-n+4){border-bottom:1px solid rgba(255,255,255,.12)}
      .compare-cell:nth-last-child(-n+2){border-bottom:0}
    }
    @media (max-width:820px){
      body{padding-bottom:86px}
      .site-container{width:min(100% - 32px,var(--container))}
      .nav-wrap{height:66px}
      .nav-links,.desktop-only{display:none}
      .mobile-consult{display:inline-flex}
      .hero{padding:38px 0 24px}
      .section{padding:58px 0}
      .section-tight{padding:38px 0}
      .hero-mini,.list-grid,.form-grid{grid-template-columns:1fr}
      .section-head,.dark-title,.cta-band{display:grid;grid-template-columns:1fr}
      .cta-band .btn{width:100%}
      .card-meta{grid-template-columns:1fr}
      .bottom-tabs{display:grid}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .site-container{width:min(100% - 28px,var(--container))}
      .brand{font-size:15px}
      .brand-mark{width:31px;height:31px;border-radius:9px}
      .hero-copy h1{font-size:32px}
      .hero-actions .btn{width:100%}
      .coupon-wall{padding:16px;border-radius:18px}
      .coupon-main strong{font-size:26px}
      .coupon-strip,.timeline{grid-template-columns:1fr}
      .compare-band{padding:18px;border-radius:18px}
      .compare-grid{display:block}
      .compare-cell{border-right:0!important;border-bottom:1px solid rgba(255,255,255,.12)!important}
      .compare-cell:last-child{border-bottom:0!important}
      .footer-grid{gap:24px}
    }

/* roulang page: category2 */
:root {
      --bg: #f7f8fa;
      --surface: #ffffff;
      --surface-soft: #eef3f4;
      --ink: #111315;
      --text: #24272b;
      --muted: #677079;
      --weak: #8b949e;
      --line: #dde4e7;
      --line-strong: #c9d3d7;
      --primary: #00b894;
      --primary-dark: #008f73;
      --primary-soft: #e5fbf6;
      --accent: #ff6b57;
      --accent-soft: #fff0ed;
      --cyan: #29c7d8;
      --radius-sm: 8px;
      --radius: 12px;
      --radius-lg: 18px;
      --shadow-sm: 0 8px 24px rgba(17, 19, 21, .06);
      --shadow-md: 0 16px 44px rgba(17, 19, 21, .10);
      --shadow-glow: 0 0 0 1px rgba(0, 184, 148, .28), 0 18px 48px rgba(0, 184, 148, .14);
      --container: 1200px;
      --header-h: 76px;
      --ease: 180ms 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(rgba(255,255,255,.58) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.58) 1px, transparent 1px),
        var(--bg);
      background-size: 42px 42px;
      line-height: 1.7;
      letter-spacing: 0;
      min-width: 320px;
      padding-bottom: 0;
    }

    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,
    svg {
      display: block;
      max-width: 100%;
    }

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

    button,
    .btn {
      border: 0;
      cursor: pointer;
    }

    input,
    select,
    textarea {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: #fff;
      color: var(--text);
      outline: none;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    input,
    select {
      height: 46px;
      padding: 0 14px;
    }

    textarea {
      min-height: 116px;
      resize: vertical;
      padding: 12px 14px;
    }

    input:focus,
    select:focus,
    textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(0, 184, 148, .14);
    }

    ::selection {
      background: rgba(0, 184, 148, .18);
      color: var(--ink);
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      height: var(--header-h);
      background: rgba(255, 255, 255, .88);
      border-bottom: 1px solid rgba(221, 228, 231, .82);
      backdrop-filter: blur(18px);
      transition: box-shadow var(--ease), background var(--ease);
    }

    .site-header.is-scrolled {
      box-shadow: var(--shadow-sm);
      background: rgba(255, 255, 255, .94);
    }

    .nav-wrap {
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      color: var(--ink);
      white-space: nowrap;
    }

    .brand {
      font-size: 18px;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 10px;
      display: inline-grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--ink), #2b3136);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.08), 0 10px 24px rgba(17,19,21,.16);
      font-size: 17px;
      line-height: 1;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 5px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(247, 248, 250, .78);
    }

    .nav-links a {
      min-height: 36px;
      display: inline-flex;
      align-items: center;
      padding: 7px 15px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
    }

    .nav-links a:hover,
    .nav-links a:focus-visible {
      color: var(--ink);
      background: #fff;
    }

    .nav-links a.active {
      color: var(--ink);
      background: #fff;
      box-shadow: 0 6px 18px rgba(17,19,21,.06);
    }

    .nav-cta {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn {
      min-height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 18px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 800;
      line-height: 1.2;
      white-space: nowrap;
      user-select: none;
    }

    .btn svg {
      width: 17px;
      height: 17px;
      transition: transform var(--ease);
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn:hover svg {
      transform: translateX(3px);
    }

    .btn:focus-visible,
    .bottom-tab a:focus-visible,
    .faq-question:focus-visible {
      outline: 3px solid rgba(0, 184, 148, .28);
      outline-offset: 3px;
    }

    .btn-primary {
      color: #fff;
      background: var(--ink);
      box-shadow: 0 12px 28px rgba(17,19,21,.16);
    }

    .btn-primary:hover {
      box-shadow: 0 16px 36px rgba(17,19,21,.22);
    }

    .btn-secondary {
      color: var(--ink);
      background: #fff;
      border: 1px solid var(--line);
    }

    .btn-secondary:hover {
      border-color: var(--line-strong);
      box-shadow: var(--shadow-sm);
    }

    .btn-accent {
      color: var(--ink);
      background: var(--primary);
      box-shadow: 0 12px 28px rgba(0,184,148,.20);
    }

    .btn-accent:hover {
      box-shadow: var(--shadow-glow);
    }

    .mobile-consult {
      display: none;
    }

    .page-main {
      overflow: hidden;
    }

    .section {
      padding: 86px 0;
    }

    .section-tight {
      padding: 58px 0;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      color: var(--weak);
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 24px;
    }

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

    .crumb-sep {
      width: 4px;
      height: 4px;
      border-radius: 999px;
      background: var(--line-strong);
    }

    .hero {
      position: relative;
      padding: 54px 0 72px;
      background:
        radial-gradient(circle at 88% 18%, rgba(0, 184, 148, .13), transparent 30%),
        linear-gradient(180deg, rgba(255,255,255,.84), rgba(247,248,250,.7));
      border-bottom: 1px solid var(--line);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.03fr) minmax(360px, .72fr);
      gap: 42px;
      align-items: stretch;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 30px;
      padding: 6px 11px;
      border: 1px solid rgba(0,184,148,.24);
      border-radius: 999px;
      color: var(--primary-dark);
      background: var(--primary-soft);
      font-size: 13px;
      font-weight: 800;
    }

    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--primary);
      box-shadow: 0 0 0 5px rgba(0,184,148,.12);
    }

    .hero h1 {
      margin: 22px 0 18px;
      color: var(--ink);
      font-size: clamp(32px, 5vw, 58px);
      line-height: 1.08;
      font-weight: 900;
      letter-spacing: 0;
      max-width: 850px;
    }

    .hero-lead {
      max-width: 760px;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.85;
      margin: 0;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 30px;
    }

    .metric-strip {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
      margin-top: 34px;
    }

    .metric {
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.78);
      box-shadow: var(--shadow-sm);
    }

    .metric strong {
      display: block;
      color: var(--ink);
      font-size: 22px;
      line-height: 1.1;
      font-weight: 900;
    }

    .metric span {
      display: block;
      margin-top: 5px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .whitepaper-card {
      position: relative;
      padding: 18px;
      border: 1px solid rgba(17,19,21,.10);
      border-radius: var(--radius-lg);
      background: #fff;
      box-shadow: var(--shadow-md);
    }

    .whitepaper-cover {
      min-height: 230px;
      padding: 22px;
      border-radius: 14px;
      color: #fff;
      background:
        linear-gradient(135deg, rgba(0,184,148,.88), rgba(41,199,216,.78)),
        linear-gradient(135deg, #111315, #252b30);
      overflow: hidden;
      position: relative;
    }

    .whitepaper-cover::after {
      content: "";
      position: absolute;
      right: -42px;
      top: -42px;
      width: 170px;
      height: 170px;
      border: 1px solid rgba(255,255,255,.22);
      border-radius: 50%;
    }

    .cover-kicker {
      font-size: 12px;
      font-weight: 900;
      opacity: .88;
    }

    .cover-title {
      position: relative;
      margin-top: 42px;
      font-size: 30px;
      line-height: 1.15;
      font-weight: 900;
      max-width: 310px;
    }

    .cover-foot {
      position: absolute;
      left: 22px;
      bottom: 20px;
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .cover-foot span,
    .tag,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 800;
      line-height: 1;
      white-space: nowrap;
    }

    .cover-foot span {
      padding: 7px 9px;
      background: rgba(255,255,255,.16);
      border: 1px solid rgba(255,255,255,.20);
    }

    .toc {
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .toc li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 12px;
      border-radius: 12px;
      background: var(--surface-soft);
      color: var(--text);
      font-size: 14px;
      font-weight: 700;
    }

    .toc-num {
      width: 24px;
      height: 24px;
      border-radius: 999px;
      display: inline-grid;
      place-items: center;
      flex: 0 0 auto;
      color: var(--ink);
      background: #fff;
      font-size: 12px;
      box-shadow: inset 0 0 0 1px var(--line);
    }

    .download-form {
      margin-top: 16px;
      display: grid;
      gap: 10px;
    }

    .download-form .btn {
      width: 100%;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(260px, .45fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 30px;
    }

    .section-kicker {
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 900;
      margin: 0 0 10px;
    }

    .section-title {
      color: var(--ink);
      font-size: clamp(26px, 3.5vw, 40px);
      line-height: 1.16;
      font-weight: 900;
      margin: 0;
      letter-spacing: 0;
    }

    .section-desc {
      color: var(--muted);
      margin: 0;
      font-size: 15px;
      line-height: 1.8;
    }

    .filter-band {
      display: flex;
      gap: 10px;
      overflow-x: auto;
      padding: 10px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(255,255,255,.76);
      box-shadow: var(--shadow-sm);
      scrollbar-width: none;
    }

    .filter-band::-webkit-scrollbar {
      display: none;
    }

    .tag {
      flex: 0 0 auto;
      padding: 10px 13px;
      color: var(--muted);
      background: #fff;
      border: 1px solid var(--line);
    }

    .tag.is-active {
      color: var(--ink);
      background: var(--primary-soft);
      border-color: rgba(0,184,148,.28);
    }

    .matrix-layout {
      display: grid;
      grid-template-columns: minmax(0, .88fr) minmax(320px, .54fr);
      gap: 24px;
      align-items: start;
    }

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

    .number-item {
      position: relative;
      display: grid;
      grid-template-columns: 58px minmax(0, 1fr);
      gap: 18px;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.88);
      box-shadow: var(--shadow-sm);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .number-item:hover {
      transform: translateY(-3px);
      border-color: rgba(0,184,148,.35);
      box-shadow: var(--shadow-md);
    }

    .number {
      width: 48px;
      height: 48px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: var(--ink);
      background: var(--primary-soft);
      border: 1px solid rgba(0,184,148,.25);
      font-size: 18px;
      font-weight: 900;
    }

    .number-item h2,
    .standard-card h3,
    .faq-item h3,
    .consult-panel h2 {
      margin: 0;
      color: var(--ink);
      font-weight: 900;
      letter-spacing: 0;
    }

    .number-item h2 {
      font-size: 20px;
      line-height: 1.32;
    }

    .number-item p {
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 15px;
    }

    .item-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .badge {
      padding: 7px 9px;
      color: var(--primary-dark);
      background: var(--primary-soft);
      border: 1px solid rgba(0,184,148,.18);
    }

    .badge.accent {
      color: #bd3d2a;
      background: var(--accent-soft);
      border-color: rgba(255,107,87,.22);
    }

    .control-panel {
      border-radius: var(--radius-lg);
      background: var(--ink);
      color: #fff;
      padding: 22px;
      box-shadow: var(--shadow-md);
      position: sticky;
      top: 100px;
    }

    .panel-head {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      padding-bottom: 18px;
      border-bottom: 1px solid rgba(255,255,255,.12);
    }

    .panel-title {
      font-size: 18px;
      font-weight: 900;
    }

    .panel-status {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #a7ffeb;
      font-size: 12px;
      font-weight: 900;
    }

    .panel-rows {
      display: grid;
      gap: 16px;
      margin-top: 20px;
    }

    .panel-row {
      display: grid;
      gap: 8px;
    }

    .panel-row-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      color: rgba(255,255,255,.78);
      font-size: 13px;
      font-weight: 800;
    }

    .progress {
      height: 8px;
      border-radius: 999px;
      background: rgba(255,255,255,.12);
      overflow: hidden;
    }

    .progress span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), var(--cyan));
      box-shadow: 0 0 18px rgba(0,184,148,.45);
    }

    .panel-note {
      margin-top: 20px;
      padding: 14px;
      border-radius: 12px;
      color: rgba(255,255,255,.76);
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(255,255,255,.10);
      font-size: 14px;
    }

    .standards {
      background: #fff;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .standard-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 18px;
    }

    .standard-card {
      padding: 24px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: var(--surface);
      box-shadow: var(--shadow-sm);
    }

    .standard-card.featured {
      background: linear-gradient(180deg, #111315, #1b2024);
      color: #fff;
      border-color: rgba(0,184,148,.32);
      box-shadow: var(--shadow-glow);
    }

    .standard-card h3 {
      font-size: 22px;
    }

    .standard-card.featured h3 {
      color: #fff;
    }

    .standard-card p {
      margin: 10px 0 0;
      color: var(--muted);
    }

    .standard-card.featured p {
      color: rgba(255,255,255,.72);
    }

    .check-list {
      margin: 18px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .check-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--text);
      font-size: 15px;
      font-weight: 700;
    }

    .standard-card.featured .check-list li {
      color: rgba(255,255,255,.88);
    }

    .check-icon {
      width: 22px;
      height: 22px;
      flex: 0 0 auto;
      border-radius: 999px;
      display: grid;
      place-items: center;
      color: var(--ink);
      background: var(--primary);
      font-size: 13px;
      font-weight: 900;
      margin-top: 1px;
    }

    .compare-wrap {
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: #fff;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .compare-row {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      border-bottom: 1px solid var(--line);
    }

    .compare-row:last-child {
      border-bottom: 0;
    }

    .compare-cell {
      padding: 18px;
      border-right: 1px solid var(--line);
      min-height: 84px;
    }

    .compare-cell:last-child {
      border-right: 0;
    }

    .compare-cell strong {
      display: block;
      color: var(--ink);
      font-size: 15px;
      font-weight: 900;
      margin-bottom: 6px;
    }

    .compare-cell span {
      color: var(--muted);
      font-size: 14px;
    }

    .compare-head {
      background: var(--surface-soft);
    }

    .compare-head .compare-cell strong {
      font-size: 17px;
    }

    .cta-band {
      padding: 44px 0;
      background: var(--ink);
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .cta-inner {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 28px;
      align-items: center;
    }

    .cta-band h2 {
      margin: 0;
      font-size: clamp(26px, 3.2vw, 38px);
      font-weight: 900;
      letter-spacing: 0;
      line-height: 1.18;
    }

    .cta-band p {
      margin: 10px 0 0;
      color: rgba(255,255,255,.72);
      max-width: 720px;
    }

    .cta-status {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 16px;
    }

    .cta-status span {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
      color: rgba(255,255,255,.80);
      font-size: 12px;
      font-weight: 800;
    }

    .consult-grid {
      display: grid;
      grid-template-columns: minmax(0, .86fr) minmax(360px, .64fr);
      gap: 28px;
      align-items: start;
    }

    .consult-panel,
    .consult-form {
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.90);
      box-shadow: var(--shadow-sm);
    }

    .consult-panel {
      padding: 28px;
    }

    .consult-panel h2 {
      font-size: 28px;
      line-height: 1.22;
    }

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

    .timeline {
      margin: 24px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 14px;
    }

    .timeline li {
      position: relative;
      display: grid;
      grid-template-columns: 34px minmax(0, 1fr);
      gap: 12px;
      align-items: start;
    }

    .timeline-step {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      background: var(--primary-soft);
      border: 1px solid rgba(0,184,148,.22);
      color: var(--primary-dark);
      font-weight: 900;
    }

    .timeline strong {
      display: block;
      color: var(--ink);
      font-size: 15px;
      font-weight: 900;
    }

    .timeline span {
      display: block;
      margin-top: 3px;
      color: var(--muted);
      font-size: 14px;
    }

    .consult-form {
      padding: 22px;
    }

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

    .field {
      display: grid;
      gap: 7px;
    }

    .field.full {
      grid-column: 1 / -1;
    }

    .field label {
      color: var(--ink);
      font-size: 13px;
      font-weight: 900;
    }

    .form-hint {
      margin: 12px 0 0;
      color: var(--weak);
      font-size: 12px;
      line-height: 1.6;
    }

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

    .faq-item {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.88);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      min-height: 62px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 20px;
      background: transparent;
      color: var(--ink);
      text-align: left;
      font-weight: 900;
    }

    .faq-question svg {
      width: 18px;
      height: 18px;
      flex: 0 0 auto;
      transition: transform var(--ease);
    }

    .faq-item.is-open .faq-question svg {
      transform: rotate(45deg);
    }

    .faq-answer {
      display: none;
      padding: 0 20px 18px;
      color: var(--muted);
      font-size: 15px;
    }

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

    .site-footer {
      padding: 58px 0 28px;
      background: #111315;
      color: #fff;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) .55fr .55fr;
      gap: 34px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255,255,255,.12);
    }

    .footer-brand {
      font-size: 18px;
    }

    .footer-text {
      margin: 16px 0 0;
      color: rgba(255,255,255,.68);
      max-width: 520px;
      font-size: 14px;
    }

    .footer-col h3 {
      margin: 0 0 14px;
      color: #fff;
      font-size: 15px;
      font-weight: 900;
    }

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

    .footer-links a {
      color: rgba(255,255,255,.62);
      font-size: 14px;
    }

    .footer-links a:hover,
    .footer-links a.active {
      color: var(--primary);
    }

    .copyright {
      padding-top: 22px;
      color: rgba(255,255,255,.46);
      font-size: 12px;
      line-height: 1.7;
    }

    .bottom-tab {
      display: none;
    }

    @media (max-width: 1024px) {
      :root {
        --header-h: 68px;
      }

      .site-container {
        width: min(var(--container), calc(100% - 32px));
      }

      .nav-links,
      .desktop-only {
        display: none;
      }

      .mobile-consult {
        display: inline-flex;
      }

      .hero-grid,
      .matrix-layout,
      .consult-grid,
      .section-head {
        grid-template-columns: 1fr;
      }

      .control-panel {
        position: static;
      }

      .metric-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

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

      .cta-inner {
        grid-template-columns: 1fr;
      }

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

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

    @media (max-width: 768px) {
      body {
        padding-bottom: 76px;
      }

      .section {
        padding: 64px 0;
      }

      .hero {
        padding: 34px 0 54px;
      }

      .hero h1 {
        font-size: clamp(30px, 10vw, 38px);
      }

      .hero-lead {
        font-size: 15px;
      }

      .hero-actions .btn {
        width: 100%;
      }

      .whitepaper-cover {
        min-height: 210px;
      }

      .cover-title {
        font-size: 26px;
      }

      .compare-row {
        grid-template-columns: 1fr;
      }

      .compare-cell {
        border-right: 0;
        border-bottom: 1px solid var(--line);
      }

      .compare-cell:last-child {
        border-bottom: 0;
      }

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

      .bottom-tab {
        position: fixed;
        left: 12px;
        right: 12px;
        bottom: 12px;
        z-index: 60;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
        padding: 8px;
        border: 1px solid rgba(221,228,231,.92);
        border-radius: 22px;
        background: rgba(255,255,255,.94);
        backdrop-filter: blur(18px);
        box-shadow: 0 18px 46px rgba(17,19,21,.18);
      }

      .bottom-tab a {
        position: relative;
        min-height: 52px;
        display: grid;
        place-items: center;
        gap: 3px;
        color: var(--muted);
        border-radius: 16px;
        font-size: 11px;
        font-weight: 900;
      }

      .bottom-tab svg {
        width: 20px;
        height: 20px;
      }

      .bottom-tab a.active {
        color: var(--ink);
        background: var(--primary-soft);
      }

      .bottom-tab a.active::after {
        content: "";
        position: absolute;
        top: 7px;
        width: 5px;
        height: 5px;
        border-radius: 999px;
        background: var(--primary);
      }
    }

    @media (max-width: 520px) {
      .site-container {
        width: calc(100% - 32px);
      }

      .brand {
        font-size: 16px;
      }

      .brand-mark {
        width: 32px;
        height: 32px;
      }

      .btn {
        min-height: 40px;
        padding: 9px 14px;
      }

      .metric-strip {
        grid-template-columns: 1fr;
      }

      .number-item {
        grid-template-columns: 1fr;
        padding: 18px;
      }

      .filter-band {
        border-radius: 16px;
      }

      .tag {
        padding: 9px 11px;
      }

      .consult-panel,
      .consult-form,
      .whitepaper-card,
      .control-panel,
      .standard-card {
        padding: 18px;
      }

      .cta-band .btn {
        width: 100%;
      }
    }