/* roulang page: index */
:root{
      --bg:#f7faf8;
      --surface:#ffffff;
      --surface-soft:#f0f8f3;
      --ink:#101814;
      --muted:#637067;
      --weak:#87948b;
      --line:#dce8df;
      --line-strong:#b9d8c2;
      --primary:#16a34a;
      --primary-dark:#087c36;
      --primary-soft:#e7f8ed;
      --success:#22c55e;
      --warning:#f59e0b;
      --danger:#e5484d;
      --black:#07120c;
      --radius-sm:10px;
      --radius:18px;
      --radius-lg:28px;
      --shadow-sm:0 8px 24px rgba(14,38,23,.06);
      --shadow:0 18px 50px rgba(14,38,23,.10);
      --shadow-lg:0 28px 80px rgba(14,38,23,.14);
      --container:1240px;
      --nav-h:76px;
      --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(--ink);
      background:
        radial-gradient(circle at 18% 0%, rgba(34,197,94,.12), transparent 28%),
        linear-gradient(180deg,#fbfdfb 0%,var(--bg) 44%,#fff 100%);
      line-height:1.65;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0;cursor:pointer}
    input,select{
      width:100%;
      border:1px solid var(--line);
      background:#fff;
      color:var(--ink);
      border-radius:14px;
      min-height:46px;
      padding:0 14px;
      outline:none;
      transition:var(--ease);
    }
    input:focus,select:focus{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(34,197,94,.14);
    }
    input:disabled{
      background:#f1f5f2;
      color:var(--weak);
      cursor:not-allowed;
    }
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .top-strip{
      background:var(--black);
      color:#d9f8e2;
      font-size:13px;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .top-strip .container{
      display:flex;
      align-items:center;
      justify-content:space-between;
      min-height:34px;
      gap:18px;
    }
    .strip-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      white-space:nowrap;
    }
    .strip-dot{
      width:8px;height:8px;border-radius:99px;background:var(--success);
      box-shadow:0 0 0 4px rgba(34,197,94,.15);
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(220,232,223,.82);
    }
    .nav{
      min-height:var(--nav-h);
      display:grid;
      grid-template-columns:auto 1fr auto;
      align-items:center;
      gap:26px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:900;
      letter-spacing:-.02em;
      color:var(--ink);
      white-space:nowrap;
    }
    .brand-mark{
      width:36px;height:36px;border-radius:12px;
      background:linear-gradient(135deg,var(--primary),#7be495);
      display:grid;place-items:center;
      color:#fff;
      box-shadow:0 10px 24px rgba(22,163,74,.24);
      font-weight:900;
    }
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .nav-links a{
      display:inline-flex;
      align-items:center;
      height:40px;
      padding:0 14px;
      border-radius:999px;
      color:var(--muted);
      font-weight:700;
      font-size:14px;
      transition:var(--ease);
    }
    .nav-links a:hover,.nav-links a.active{
      color:var(--primary-dark);
      background:var(--primary-soft);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:10px;
    }
    .command-search{
      position:relative;
      display:flex;
      align-items:center;
      width:250px;
      height:42px;
      border:1px solid var(--line);
      border-radius:999px;
      background:#fff;
      padding:0 10px 0 14px;
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .command-search:focus-within{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(34,197,94,.13),var(--shadow-sm);
    }
    .command-search span{color:var(--weak);font-size:15px;margin-right:8px}
    .command-search input{
      min-height:auto;
      border:0;
      box-shadow:none;
      padding:0;
      border-radius:0;
      font-size:13px;
    }
    .command-search input:focus{box-shadow:none}
    .kbd{
      flex:0 0 auto;
      font-size:12px;
      color:var(--weak);
      background:#f5f7f5;
      border:1px solid var(--line);
      border-radius:8px;
      padding:2px 7px;
      line-height:1.4;
    }
    .quick-link{
      width:42px;height:42px;
      display:grid;place-items:center;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--line);
      color:var(--primary-dark);
      transition:var(--ease);
    }
    .quick-link:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 18px;
      border-radius:999px;
      font-weight:900;
      font-size:14px;
      transition:var(--ease);
      white-space:nowrap;
      border:1px solid transparent;
    }
    .btn:focus-visible{
      outline:3px solid rgba(34,197,94,.22);
      outline-offset:3px;
    }
    .btn-primary{
      background:var(--primary);
      color:#fff;
      box-shadow:0 12px 24px rgba(22,163,74,.22);
    }
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 16px 34px rgba(8,124,54,.25)}
    .btn-primary:active,.btn-secondary:active{transform:translateY(0) scale(.98)}
    .btn-secondary{
      background:#fff;
      color:var(--primary-dark);
      border-color:var(--line-strong);
    }
    .btn-secondary:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px)}
    .btn-ghost{
      background:#f4f7f5;
      color:var(--ink);
      border-color:var(--line);
    }
    .btn-ghost:hover{background:#fff;border-color:var(--primary);color:var(--primary-dark)}
    .btn-disabled,.btn:disabled{
      background:#e8eee9;
      color:#9aa59d;
      border-color:#e1e9e3;
      box-shadow:none;
      cursor:not-allowed;
      transform:none;
    }
    main{overflow:hidden}
    section{padding:78px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:22px;
      margin-bottom:28px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border:1px solid var(--line-strong);
      background:var(--primary-soft);
      color:var(--primary-dark);
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      font-weight:900;
      margin-bottom:14px;
    }
    .section-title{
      margin:0;
      font-size:clamp(26px,3vw,42px);
      line-height:1.15;
      letter-spacing:-.04em;
    }
    .section-desc{
      margin:10px 0 0;
      max-width:680px;
      color:var(--muted);
      font-size:16px;
    }
    .hero{
      padding:28px 0 78px;
    }
    .flash-bar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      background:#07120c;
      color:#fff;
      border-radius:24px;
      padding:14px 18px;
      margin:22px 0 20px;
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .flash-bar:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,rgba(34,197,94,.22),transparent 38%,rgba(255,255,255,.08));
      pointer-events:none;
    }
    .flash-left,.flash-right{position:relative;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
    .flash-label{
      background:rgba(34,197,94,.18);
      color:#bff9cf;
      border:1px solid rgba(34,197,94,.38);
      border-radius:999px;
      padding:6px 10px;
      font-weight:900;
      font-size:13px;
    }
    .countdown{
      display:flex;
      align-items:center;
      gap:6px;
    }
    .time-box{
      min-width:34px;
      height:30px;
      display:grid;
      place-items:center;
      border-radius:9px;
      background:#fff;
      color:#07120c;
      font-weight:900;
      font-variant-numeric:tabular-nums;
    }
    .hero-stage{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:28px;
      align-items:stretch;
    }
    .hero-copy{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:44px;
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .hero-copy:after{
      content:"";
      position:absolute;
      right:-90px;bottom:-120px;
      width:260px;height:260px;border-radius:50%;
      background:rgba(34,197,94,.12);
    }
    h1{
      margin:0;
      font-size:clamp(38px,5.6vw,72px);
      line-height:1.03;
      letter-spacing:-.06em;
      max-width:820px;
      position:relative;
      z-index:1;
    }
    .hero-intro{
      position:relative;
      z-index:1;
      margin:20px 0 0;
      color:var(--muted);
      font-size:18px;
      max-width:760px;
    }
    .hero-ctas{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-metrics{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:32px;
    }
    .metric{
      padding:16px;
      border-radius:18px;
      background:var(--surface-soft);
      border:1px solid var(--line);
    }
    .metric strong{display:block;font-size:24px;line-height:1;color:var(--primary-dark)}
    .metric span{display:block;margin-top:8px;color:var(--muted);font-size:13px;font-weight:700}
    .product-stage{
      border-radius:var(--radius-lg);
      background:
        linear-gradient(135deg,#ffffff 0%,#f5fbf7 100%);
      border:1px solid var(--line);
      box-shadow:var(--shadow-lg);
      padding:24px;
      min-height:100%;
      position:relative;
    }
    .stage-card{
      border-radius:24px;
      border:1px solid var(--line);
      background:#fff;
      padding:22px;
      box-shadow:var(--shadow-sm);
    }
    .stage-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-bottom:18px;
    }
    .status{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--primary-dark);
      background:var(--primary-soft);
      border:1px solid var(--line-strong);
      border-radius:999px;
      padding:7px 10px;
      font-size:13px;
      font-weight:900;
    }
    .status:before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--success);
      box-shadow:0 0 0 4px rgba(34,197,94,.14);
    }
    .stage-title{font-size:22px;font-weight:900;margin:0}
    .spec-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin:18px 0;
    }
    .spec{
      border:1px solid var(--line);
      background:#fbfdfb;
      border-radius:16px;
      padding:14px;
    }
    .spec small{display:block;color:var(--weak);font-weight:800}
    .spec b{display:block;margin-top:4px;font-size:18px}
    .progress-list{display:grid;gap:12px;margin-top:18px}
    .progress-item{display:grid;gap:8px}
    .progress-line{
      height:9px;
      border-radius:999px;
      background:#edf2ee;
      overflow:hidden;
    }
    .progress-line i{
      display:block;height:100%;border-radius:999px;
      background:linear-gradient(90deg,var(--primary),#7be495);
    }
    .float-note{
      position:absolute;
      right:18px;
      bottom:18px;
      width:210px;
      border-radius:18px;
      padding:14px;
      background:#07120c;
      color:#fff;
      box-shadow:var(--shadow);
    }
    .float-note strong{display:block}
    .float-note span{display:block;color:#b7c7bd;font-size:13px;margin-top:4px}
    .latest{
      background:#fff;
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .latest-layout{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:24px;
      align-items:start;
    }
    .update-panel{
      background:var(--black);
      color:#fff;
      border-radius:var(--radius-lg);
      padding:28px;
      min-height:300px;
      position:relative;
      overflow:hidden;
    }
    .update-panel:after{
      content:"";
      position:absolute;
      width:180px;height:180px;border-radius:50%;
      right:-60px;top:-50px;
      background:rgba(34,197,94,.28);
    }
    .update-panel h2{font-size:34px;line-height:1.12;margin:0 0 12px}
    .update-panel p{color:#c7d4cc;margin:0}
    .update-list{
      display:grid;
      gap:12px;
      margin-top:24px;
    }
    .update-row{
      display:flex;
      justify-content:space-between;
      gap:14px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.06);
      border-radius:16px;
      padding:14px;
    }
    .update-row span{color:#a8b8ae;font-size:13px}
    .hot-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:16px;
    }
    .card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
      overflow:hidden;
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:var(--shadow);
    }
    .product-card{display:flex;flex-direction:column;min-height:100%}
    .cover{
      aspect-ratio:16/10;
      background:
        radial-gradient(circle at 30% 26%,rgba(34,197,94,.32),transparent 24%),
        linear-gradient(135deg,#f8fcf9,#dff4e6);
      border-bottom:1px solid var(--line);
      padding:16px;
      position:relative;
    }
    .cover-inner{
      height:100%;
      border-radius:16px;
      background:#fff;
      border:1px solid rgba(185,216,194,.9);
      padding:14px;
      display:grid;
      align-content:space-between;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.8);
    }
    .cover-bars{display:grid;gap:8px}
    .cover-bars i{height:8px;border-radius:999px;background:#dfece3}
    .cover-bars i:nth-child(1){width:72%;background:#9ee7b4}
    .cover-bars i:nth-child(2){width:94%}
    .cover-bars i:nth-child(3){width:58%}
    .badge{
      display:inline-flex;
      align-items:center;
      width:max-content;
      border-radius:999px;
      padding:6px 10px;
      font-size:12px;
      font-weight:900;
      color:var(--primary-dark);
      background:var(--primary-soft);
      border:1px solid var(--line-strong);
    }
    .card-body{padding:18px;display:flex;flex-direction:column;gap:12px;flex:1}
    .card h3{margin:0;font-size:20px;line-height:1.25;letter-spacing:-.02em}
    .card p{margin:0;color:var(--muted);font-size:14px}
    .tags{display:flex;flex-wrap:wrap;gap:8px}
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 9px;
      border-radius:999px;
      color:#4e5c53;
      background:#f4f7f5;
      border:1px solid var(--line);
      font-size:12px;
      font-weight:800;
    }
    .card-actions{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:10px}
    .price-like{font-weight:900;color:var(--primary-dark)}
    .mini-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:36px;
      padding:0 12px;
      border-radius:999px;
      background:#07120c;
      color:#fff;
      font-size:13px;
      font-weight:900;
      transition:var(--ease);
    }
    .mini-btn:hover{background:var(--primary-dark);transform:translateY(-2px)}
    .answer-wrap{
      display:grid;
      grid-template-columns:1fr .9fr;
      gap:24px;
      align-items:start;
    }
    .qa-stack{display:grid;gap:12px}
    .qa-item{
      border:1px solid var(--line);
      border-radius:18px;
      background:#fff;
      overflow:hidden;
      box-shadow:var(--shadow-sm);
    }
    .qa-item summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      font-weight:900;
      display:flex;
      justify-content:space-between;
      gap:12px;
      transition:var(--ease);
    }
    .qa-item summary::-webkit-details-marker{display:none}
    .qa-item summary:after{
      content:"+";
      width:26px;height:26px;
      display:grid;place-items:center;
      border-radius:50%;
      background:var(--primary-soft);
      color:var(--primary-dark);
      flex:0 0 auto;
    }
    .qa-item[open] summary{color:var(--primary-dark)}
    .qa-item[open] summary:after{content:"−";background:var(--primary);color:#fff}
    .qa-item p{
      margin:0;
      padding:0 20px 20px;
      color:var(--muted);
      font-size:15px;
    }
    .quick-card{
      background:linear-gradient(180deg,#07120c,#10251a);
      color:#fff;
      border-radius:var(--radius-lg);
      padding:28px;
      box-shadow:var(--shadow);
    }
    .quick-card h2{margin:0 0 12px;font-size:32px;line-height:1.16}
    .quick-card p{margin:0;color:#c6d6cc}
    .steps{display:grid;gap:12px;margin-top:22px}
    .step{
      display:grid;
      grid-template-columns:34px 1fr;
      gap:12px;
      align-items:start;
    }
    .step-num{
      width:34px;height:34px;
      border-radius:12px;
      background:rgba(34,197,94,.18);
      color:#a7f3d0;
      display:grid;place-items:center;
      font-weight:900;
      border:1px solid rgba(34,197,94,.28);
    }
    .step strong{display:block}
    .step span{display:block;color:#b7c7bd;font-size:14px}
    .news{
      background:linear-gradient(180deg,#f7faf8,#fff);
    }
    .news-layout{
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:24px;
    }
    .news-list{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      overflow:hidden;
      box-shadow:var(--shadow-sm);
    }
    .news-link{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:14px;
      align-items:center;
      padding:18px 20px;
      border-bottom:1px solid var(--line);
      transition:var(--ease);
    }
    .news-link:last-child{border-bottom:0}
    .news-link:hover{background:var(--primary-soft)}
    .news-index{
      width:34px;height:34px;
      display:grid;place-items:center;
      border-radius:12px;
      background:#f3f7f4;
      color:var(--primary-dark);
      font-weight:900;
    }
    .news-link strong{display:block;font-size:16px}
    .news-link span{display:block;color:var(--muted);font-size:13px;margin-top:3px}
    .arrow{color:var(--weak);font-weight:900}
    .recommend{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:22px;
      box-shadow:var(--shadow-sm);
    }
    .recommend h3{margin:0 0 12px;font-size:22px}
    .rank-list{display:grid;gap:10px}
    .rank{
      display:flex;
      justify-content:space-between;
      gap:12px;
      border:1px solid var(--line);
      border-radius:14px;
      padding:12px;
      background:#fbfdfb;
    }
    .rank b{color:var(--primary-dark)}
    .rank span{color:var(--muted);font-size:13px}
    .safety{
      background:#07120c;
      color:#fff;
    }
    .safety .section-desc{color:#c4d2c9}
    .safety-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .safety-card{
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.06);
      border-radius:20px;
      padding:20px;
      transition:var(--ease);
    }
    .safety-card:hover{
      transform:translateY(-4px);
      border-color:rgba(34,197,94,.48);
      background:rgba(34,197,94,.10);
    }
    .icon{
      width:42px;height:42px;
      border-radius:14px;
      display:grid;place-items:center;
      color:#bbf7d0;
      background:rgba(34,197,94,.15);
      border:1px solid rgba(34,197,94,.28);
      margin-bottom:14px;
      font-size:22px;
    }
    .safety-card h3{margin:0 0 8px;font-size:18px}
    .safety-card p{margin:0;color:#b9c9bf;font-size:14px}
    .app-panel{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:center;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:30px;
      box-shadow:var(--shadow);
    }
    .app-mock{
      border-radius:26px;
      background:linear-gradient(135deg,#eefaf2,#ffffff);
      border:1px solid var(--line);
      padding:18px;
    }
    .mock-window{
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      padding:18px;
      box-shadow:var(--shadow-sm);
    }
    .mock-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      border-bottom:1px solid var(--line);
      padding-bottom:12px;
      margin-bottom:14px;
    }
    .dots{display:flex;gap:6px}
    .dots i{width:9px;height:9px;border-radius:50%;background:#d7e5db}
    .dots i:first-child{background:var(--success)}
    .mock-lines{display:grid;gap:10px}
    .mock-line{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      border:1px solid var(--line);
      background:#fbfdfb;
      border-radius:14px;
      padding:12px;
    }
    .mock-line b{font-size:14px}
    .mock-line span{font-size:12px;color:var(--primary-dark);font-weight:900}
    .form-row{
      display:grid;
      grid-template-columns:1fr 1fr auto;
      gap:10px;
      margin-top:22px;
      align-items:start;
    }
    .field small{
      display:block;
      margin-top:6px;
      color:var(--weak);
      font-size:12px;
    }
    .field.error input{
      border-color:var(--danger);
      box-shadow:0 0 0 4px rgba(229,72,77,.10);
    }
    .field.error small{color:var(--danger)}
    .success-msg{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:14px;
      color:var(--primary-dark);
      background:var(--primary-soft);
      border:1px solid var(--line-strong);
      border-radius:999px;
      padding:8px 12px;
      font-size:13px;
      font-weight:900;
    }
    .cta{
      padding-top:0;
    }
    .cta-box{
      border-radius:32px;
      background:
        radial-gradient(circle at 82% 18%,rgba(34,197,94,.24),transparent 28%),
        linear-gradient(135deg,#07120c,#123a24);
      color:#fff;
      padding:42px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      box-shadow:var(--shadow-lg);
    }
    .cta-box h2{margin:0;font-size:clamp(28px,3vw,44px);line-height:1.12;letter-spacing:-.04em}
    .cta-box p{margin:12px 0 0;color:#c6d8cc;max-width:720px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .cta-actions .btn-secondary{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.22)}
    .cta-actions .btn-secondary:hover{background:rgba(255,255,255,.14);border-color:rgba(187,247,208,.55)}
    .site-footer{
      background:#fff;
      border-top:1px solid var(--line);
      padding:46px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr .8fr;
      gap:28px;
    }
    .footer-brand p{margin:12px 0 0;color:var(--muted);max-width:420px}
    .footer-col h3{margin:0 0 14px;font-size:15px}
    .footer-col a,.footer-col span{
      display:block;
      color:var(--muted);
      font-size:14px;
      margin:9px 0;
      transition:var(--ease);
    }
    .footer-col a:hover{color:var(--primary-dark);transform:translateX(2px)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:center;
      border-top:1px solid var(--line);
      margin-top:34px;
      padding-top:20px;
      color:var(--weak);
      font-size:13px;
    }
    .socials{display:flex;gap:8px}
    .socials a{
      width:34px;height:34px;border-radius:999px;
      display:grid;place-items:center;
      border:1px solid var(--line);
      color:var(--primary-dark);
      transition:var(--ease);
    }
    .socials a:hover{background:var(--primary-soft);border-color:var(--line-strong)}
    .mobile-toggle{display:none}
    @media (max-width:1100px){
      .nav{grid-template-columns:auto auto;justify-content:space-between}
      .nav-links{
        grid-column:1/-1;
        justify-content:flex-start;
        overflow-x:auto;
        padding-bottom:12px;
      }
      .nav-actions{gap:8px}
      .command-search{width:210px}
      .hero-stage,.latest-layout,.answer-wrap,.news-layout,.app-panel{grid-template-columns:1fr}
      .float-note{position:static;width:auto;margin-top:14px}
      .safety-grid{grid-template-columns:repeat(2,1fr)}
      .cta-box{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .top-strip .container{justify-content:center;text-align:center}
      .top-strip .strip-pill:last-child{display:none}
      .nav{gap:12px;min-height:66px}
      .brand span:last-child{max-width:180px;overflow:hidden;text-overflow:ellipsis}
      .nav-actions{grid-column:1/-1;width:100%;justify-content:stretch}
      .command-search{flex:1;width:auto}
      .quick-link{display:none}
      .nav-links a{height:36px;padding:0 12px}
      section{padding:56px 0}
      .hero{padding-top:18px}
      .flash-bar{align-items:flex-start;flex-direction:column;border-radius:20px}
      .hero-copy{padding:28px}
      .hero-metrics{grid-template-columns:1fr}
      .spec-grid,.hot-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .safety-grid{grid-template-columns:1fr}
      .form-row{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-bottom{flex-direction:column;align-items:flex-start}
    }
    @media (max-width:520px){
      .brand-mark{width:32px;height:32px;border-radius:10px}
      .brand{font-size:14px}
      .nav-links{gap:6px}
      h1{font-size:38px}
      .hero-copy,.product-stage,.update-panel,.quick-card,.app-panel,.cta-box{padding:22px;border-radius:22px}
      .section-title{font-size:28px}
      .news-link{grid-template-columns:auto 1fr}
      .news-link .arrow{display:none}
      .footer-grid{grid-template-columns:1fr}
      .btn{width:100%;min-height:48px}
      .hero-ctas,.cta-actions{width:100%}
      .flash-right{width:100%}
      .flash-right .btn{width:100%}
    }

/* roulang page: category1 */
:root {
      --green-50: #effdf5;
      --green-100: #d9fbe7;
      --green-200: #b7f4d0;
      --green-500: #16c784;
      --green-600: #0ead72;
      --green-700: #087b55;
      --green-900: #063b2c;
      --ink: #111816;
      --ink-2: #26332f;
      --muted: #64726d;
      --muted-2: #8b9692;
      --line: #e7ece9;
      --line-strong: #cfe6db;
      --bg: #ffffff;
      --bg-soft: #f6faf8;
      --bg-card: #ffffff;
      --warning: #f59e0b;
      --danger: #ef4444;
      --radius-sm: 10px;
      --radius-md: 16px;
      --radius-lg: 22px;
      --radius-xl: 30px;
      --shadow-sm: 0 8px 24px rgba(17, 24, 22, .06);
      --shadow-md: 0 18px 46px rgba(17, 24, 22, .10);
      --shadow-green: 0 18px 46px rgba(22, 199, 132, .18);
      --container: 1240px;
      --nav-h: 78px;
      --ease: cubic-bezier(.2, .8, .2, 1);
    }

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

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

    body {
      min-height: 100vh;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 8% 0%, rgba(22, 199, 132, .10), transparent 28%),
        linear-gradient(180deg, #ffffff 0%, #f8fbfa 48%, #ffffff 100%);
      line-height: 1.65;
      overflow-x: hidden;
    }

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

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

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

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

    input, select, textarea {
      width: 100%;
      border: 1px solid var(--line);
      background: #fff;
      color: var(--ink);
      outline: none;
      transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
    }

    input:focus, select:focus, textarea:focus {
      border-color: var(--green-500);
      box-shadow: 0 0 0 4px rgba(22, 199, 132, .14);
    }

    ::selection {
      color: #fff;
      background: var(--green-600);
    }

    .container {
      width: min(100% - 40px, var(--container));
      margin-inline: 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(231, 236, 233, .88);
    }

    .site-header::before {
      content: "国产又粗又猛又爽又爽 · 强劲规格精选入口已开启";
      display: block;
      height: 28px;
      line-height: 28px;
      text-align: center;
      font-size: 12px;
      letter-spacing: .02em;
      color: var(--green-900);
      background: linear-gradient(90deg, rgba(22, 199, 132, .08), rgba(22, 199, 132, .18), rgba(22, 199, 132, .08));
      border-bottom: 1px solid rgba(22, 199, 132, .12);
    }

    .nav {
      min-height: var(--nav-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: max-content;
      font-weight: 900;
      color: var(--ink);
      letter-spacing: -.02em;
    }

    .brand:hover {
      color: var(--green-700);
      transform: translateY(-1px);
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      display: inline-grid;
      place-items: center;
      border-radius: 13px;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, var(--green-500), var(--green-700));
      box-shadow: var(--shadow-green);
    }

    .nav-links {
      list-style: none;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(246, 250, 248, .82);
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      height: 38px;
      padding: 0 16px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
      white-space: nowrap;
    }

    .nav-links a:hover {
      color: var(--green-700);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .nav-links a.active {
      color: #fff;
      background: var(--ink);
      box-shadow: 0 10px 24px rgba(17, 24, 22, .12);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
    }

    .command-search {
      width: 260px;
      height: 42px;
      display: flex;
      align-items: center;
      gap: 9px;
      padding: 0 12px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: #fff;
      box-shadow: var(--shadow-sm);
      color: var(--muted-2);
      transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
    }

    .command-search:focus-within {
      border-color: var(--green-500);
      box-shadow: 0 0 0 4px rgba(22, 199, 132, .12), var(--shadow-sm);
    }

    .command-search input {
      min-width: 0;
      height: 100%;
      border: 0;
      padding: 0;
      box-shadow: none;
      background: transparent;
      font-size: 13px;
    }

    .command-search input:focus {
      box-shadow: none;
    }

    .kbd {
      min-width: 34px;
      height: 24px;
      display: inline-grid;
      place-items: center;
      border-radius: 8px;
      border: 1px solid var(--line);
      background: var(--bg-soft);
      color: var(--muted);
      font-size: 11px;
      font-weight: 800;
    }

    .quick-link {
      width: 42px;
      height: 42px;
      display: inline-grid;
      place-items: center;
      border: 1px solid var(--line);
      border-radius: 50%;
      background: #fff;
      color: var(--green-700);
      font-weight: 900;
      box-shadow: var(--shadow-sm);
    }

    .quick-link:hover {
      border-color: var(--green-500);
      transform: translateY(-2px);
    }

    .btn {
      min-height: 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 0 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 900;
      font-size: 14px;
      white-space: nowrap;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
    }

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

    .btn:active {
      transform: translateY(0) scale(.98);
    }

    .btn:focus-visible,
    .faq-question:focus-visible,
    .chip:focus-visible,
    .product-action:focus-visible {
      outline: 3px solid rgba(22, 199, 132, .28);
      outline-offset: 3px;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--green-600), var(--green-700));
      box-shadow: var(--shadow-green);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, var(--green-700), var(--green-900));
      box-shadow: 0 20px 42px rgba(8, 123, 85, .25);
    }

    .btn-secondary {
      color: var(--green-700);
      background: #fff;
      border-color: var(--line-strong);
      box-shadow: var(--shadow-sm);
    }

    .btn-secondary:hover {
      border-color: var(--green-500);
      background: var(--green-50);
    }

    .btn-dark {
      color: #fff;
      background: var(--ink);
      box-shadow: 0 16px 36px rgba(17, 24, 22, .14);
    }

    .btn-dark:hover {
      background: #000;
    }

    .btn-disabled,
    .btn:disabled {
      color: var(--muted-2);
      background: #edf1ef;
      border-color: #edf1ef;
      box-shadow: none;
      cursor: not-allowed;
      transform: none;
    }

    main {
      display: block;
    }

    .section {
      padding: 76px 0;
    }

    .section.tight {
      padding: 48px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border: 1px solid var(--line-strong);
      border-radius: 999px;
      background: var(--green-50);
      color: var(--green-700);
      font-size: 13px;
      font-weight: 900;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--green-500);
      box-shadow: 0 0 0 5px rgba(22, 199, 132, .14);
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: end;
      gap: 24px;
      margin-bottom: 26px;
    }

    .section-title {
      margin-top: 12px;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.16;
      letter-spacing: -.04em;
    }

    .section-desc {
      max-width: 650px;
      margin-top: 12px;
      color: var(--muted);
      font-size: 16px;
    }

    .hero {
      padding: 56px 0 44px;
      position: relative;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: auto -20% 0 auto;
      width: 520px;
      height: 520px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(22, 199, 132, .14), transparent 66%);
      pointer-events: none;
      z-index: -1;
    }

    .hero-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(360px, .88fr);
      gap: 34px;
      align-items: stretch;
    }

    .hero-copy {
      padding: 38px;
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      background: rgba(255, 255, 255, .78);
      box-shadow: var(--shadow-md);
      overflow: hidden;
      position: relative;
    }

    .hero-copy::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(22, 199, 132, .08) 1px, transparent 1px),
        linear-gradient(180deg, rgba(22, 199, 132, .06) 1px, transparent 1px);
      background-size: 46px 46px;
      mask-image: linear-gradient(135deg, rgba(0,0,0,.8), transparent 62%);
      pointer-events: none;
    }

    .hero-copy > * {
      position: relative;
      z-index: 1;
    }

    h1 {
      max-width: 760px;
      margin-top: 20px;
      font-size: clamp(38px, 6vw, 72px);
      line-height: 1.04;
      letter-spacing: -.06em;
      font-weight: 950;
    }

    .hero-subtitle {
      max-width: 690px;
      margin-top: 20px;
      color: var(--ink-2);
      font-size: 18px;
    }

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

    .hero-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 34px;
    }

    .stat {
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      background: rgba(255,255,255,.86);
      box-shadow: var(--shadow-sm);
    }

    .stat strong {
      display: block;
      font-size: 28px;
      line-height: 1;
      letter-spacing: -.04em;
    }

    .stat span {
      display: block;
      margin-top: 7px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .lead-card {
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      background: #fff;
      box-shadow: var(--shadow-md);
      overflow: hidden;
    }

    .lead-top {
      padding: 24px;
      color: #fff;
      background:
        radial-gradient(circle at 80% 0%, rgba(255,255,255,.22), transparent 36%),
        linear-gradient(135deg, var(--green-900), #0a6b4d 55%, var(--green-600));
    }

    .lead-cover {
      min-height: 220px;
      padding: 22px;
      border-radius: 22px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.95), rgba(255,255,255,.75)),
        repeating-linear-gradient(135deg, rgba(22,199,132,.18) 0 8px, transparent 8px 16px);
      color: var(--ink);
      box-shadow: 0 20px 44px rgba(0,0,0,.16);
      position: relative;
    }

    .lead-cover .label {
      display: inline-flex;
      padding: 6px 10px;
      border-radius: 999px;
      color: #fff;
      background: var(--green-600);
      font-size: 12px;
      font-weight: 900;
    }

    .lead-cover h2 {
      margin-top: 18px;
      max-width: 300px;
      font-size: 30px;
      line-height: 1.12;
      letter-spacing: -.04em;
    }

    .lead-cover p {
      margin-top: 14px;
      color: var(--muted);
      font-size: 14px;
    }

    .cover-float {
      position: absolute;
      right: 18px;
      bottom: 18px;
      width: 166px;
      padding: 14px;
      border: 1px solid rgba(255,255,255,.7);
      border-radius: 18px;
      background: rgba(255,255,255,.92);
      box-shadow: var(--shadow-sm);
    }

    .cover-float span {
      display: flex;
      justify-content: space-between;
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
    }

    .progress {
      height: 8px;
      margin-top: 10px;
      border-radius: 99px;
      background: var(--green-100);
      overflow: hidden;
    }

    .progress i {
      display: block;
      width: 78%;
      height: 100%;
      border-radius: inherit;
      background: var(--green-500);
    }

    .lead-body {
      padding: 22px 24px 24px;
    }

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

    .toc li {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 14px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: var(--bg-soft);
      color: var(--ink-2);
      font-size: 14px;
      font-weight: 800;
    }

    .toc em {
      font-style: normal;
      color: var(--green-700);
    }

    .lead-form {
      display: grid;
      gap: 12px;
    }

    .field {
      display: grid;
      gap: 6px;
    }

    .field label {
      color: var(--ink-2);
      font-size: 13px;
      font-weight: 900;
    }

    .field input,
    .field select {
      height: 46px;
      padding: 0 14px;
      border-radius: 14px;
    }

    .field-hint {
      min-height: 18px;
      color: var(--muted-2);
      font-size: 12px;
    }

    .field.error input {
      border-color: var(--danger);
      background: #fff7f7;
    }

    .field.error .field-hint {
      color: var(--danger);
    }

    .field.success input {
      border-color: var(--green-500);
      background: var(--green-50);
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .form-status {
      display: none;
      padding: 11px 12px;
      border-radius: 14px;
      background: var(--green-50);
      color: var(--green-700);
      border: 1px solid var(--line-strong);
      font-size: 13px;
      font-weight: 800;
    }

    .form-status.show {
      display: block;
    }

    .filter-shell {
      display: grid;
      grid-template-columns: 286px minmax(0, 1fr);
      gap: 24px;
      align-items: start;
    }

    .filter-panel {
      position: sticky;
      top: 124px;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .filter-panel h2 {
      font-size: 20px;
      letter-spacing: -.02em;
    }

    .filter-group {
      padding-top: 18px;
      margin-top: 18px;
      border-top: 1px solid var(--line);
    }

    .filter-group strong {
      display: block;
      margin-bottom: 10px;
      font-size: 13px;
      color: var(--ink-2);
    }

    .chips {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 0 12px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: #fff;
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
      cursor: pointer;
      transition: .2s var(--ease);
    }

    .chip:hover,
    .chip.active {
      color: var(--green-700);
      border-color: var(--green-500);
      background: var(--green-50);
    }

    .catalog-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 18px;
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .catalog-head p {
      color: var(--muted);
      font-size: 14px;
    }

    .sort-box {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 220px;
    }

    .sort-box label {
      white-space: nowrap;
      color: var(--muted);
      font-size: 13px;
      font-weight: 900;
    }

    .sort-box select {
      height: 42px;
      padding: 0 12px;
      border-radius: 14px;
      font-size: 13px;
      font-weight: 800;
    }

    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .product-card {
      position: relative;
      display: flex;
      flex-direction: column;
      min-height: 100%;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: #fff;
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
    }

    .product-card:hover {
      transform: translateY(-4px);
      border-color: rgba(22, 199, 132, .55);
      box-shadow: var(--shadow-md);
    }

    .thumb {
      position: relative;
      min-height: 164px;
      padding: 16px;
      background:
        linear-gradient(135deg, rgba(22,199,132,.18), rgba(255,255,255,.92)),
        radial-gradient(circle at 75% 18%, rgba(6,59,44,.12), transparent 34%);
      overflow: hidden;
    }

    .thumb::before {
      content: "";
      position: absolute;
      inset: 14px;
      border-radius: 20px;
      background: rgba(255,255,255,.70);
      border: 1px solid rgba(255,255,255,.82);
    }

    .panel-art {
      position: relative;
      z-index: 1;
      display: grid;
      gap: 10px;
    }

    .panel-line {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 12px;
      border-radius: 14px;
      background: rgba(255,255,255,.92);
      border: 1px solid rgba(231,236,233,.82);
      box-shadow: 0 8px 18px rgba(17,24,22,.05);
      font-size: 12px;
      font-weight: 900;
    }

    .panel-line small {
      color: var(--green-700);
      font-size: 12px;
    }

    .hot-badge {
      position: absolute;
      top: 14px;
      right: 14px;
      z-index: 2;
      padding: 6px 10px;
      border-radius: 999px;
      color: #fff;
      background: var(--ink);
      font-size: 12px;
      font-weight: 900;
    }

    .product-body {
      display: flex;
      flex-direction: column;
      flex: 1;
      padding: 18px;
    }

    .product-title {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 8px;
    }

    .product-title h3 {
      font-size: 19px;
      line-height: 1.25;
      letter-spacing: -.02em;
    }

    .score {
      color: var(--green-700);
      font-size: 13px;
      font-weight: 950;
      white-space: nowrap;
    }

    .product-body p {
      color: var(--muted);
      font-size: 14px;
      min-height: 45px;
    }

    .tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 14px 0;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      height: 28px;
      padding: 0 9px;
      border-radius: 999px;
      background: var(--bg-soft);
      border: 1px solid var(--line);
      color: var(--muted);
      font-size: 12px;
      font-weight: 900;
    }

    .tag.success {
      color: var(--green-700);
      background: var(--green-50);
      border-color: var(--line-strong);
    }

    .spec-list {
      display: grid;
      gap: 8px;
      margin-top: auto;
      padding-top: 4px;
      list-style: none;
    }

    .spec-list li {
      display: flex;
      justify-content: space-between;
      gap: 10px;
      color: var(--muted);
      font-size: 13px;
    }

    .spec-list b {
      color: var(--ink-2);
    }

    .product-foot {
      display: flex;
      gap: 10px;
      margin-top: 16px;
    }

    .product-action {
      flex: 1;
      min-height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      border: 1px solid var(--line-strong);
      color: var(--green-700);
      background: #fff;
      font-size: 13px;
      font-weight: 900;
      transition: .2s var(--ease);
    }

    .product-action:hover {
      background: var(--green-50);
      border-color: var(--green-500);
      transform: translateY(-2px);
    }

    .product-action.primary {
      color: #fff;
      background: var(--green-600);
      border-color: var(--green-600);
    }

    .product-action.primary:hover {
      background: var(--green-700);
    }

    .compare-strip {
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      background: var(--ink);
      color: #fff;
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }

    .compare-grid {
      display: grid;
      grid-template-columns: .88fr 1.12fr;
      gap: 0;
    }

    .compare-copy {
      padding: 34px;
      background:
        radial-gradient(circle at 0% 0%, rgba(22,199,132,.32), transparent 38%),
        linear-gradient(135deg, #10231e, #0a1512);
    }

    .compare-copy h2 {
      font-size: clamp(28px, 3.6vw, 42px);
      line-height: 1.16;
      letter-spacing: -.04em;
    }

    .compare-copy p {
      margin-top: 14px;
      color: rgba(255,255,255,.72);
    }

    .compare-table {
      padding: 24px;
      display: grid;
      gap: 12px;
      background: #fff;
      color: var(--ink);
    }

    .compare-row {
      display: grid;
      grid-template-columns: 120px 1fr 1fr;
      gap: 12px;
      align-items: center;
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: 16px;
      background: var(--bg-soft);
      font-size: 14px;
    }

    .compare-row.header {
      color: var(--muted);
      background: #fff;
      font-weight: 900;
    }

    .compare-row b {
      color: var(--ink);
    }

    .check {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--green-700);
      font-weight: 900;
    }

    .evidence-layout {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
      gap: 24px;
      align-items: start;
    }

    .evidence-card {
      padding: 26px;
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .evidence-card h2 {
      font-size: 32px;
      line-height: 1.18;
      letter-spacing: -.04em;
    }

    .evidence-card p {
      margin-top: 12px;
      color: var(--muted);
    }

    .proof-list {
      display: grid;
      gap: 12px;
      margin-top: 18px;
      list-style: none;
    }

    .proof-list li {
      display: flex;
      gap: 12px;
      padding: 14px;
      border-radius: 16px;
      background: var(--bg-soft);
      border: 1px solid var(--line);
    }

    .proof-icon {
      flex: 0 0 34px;
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: #fff;
      background: var(--green-600);
      font-weight: 900;
    }

    .testimonial-rail {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: minmax(270px, 1fr);
      gap: 16px;
      overflow-x: auto;
      padding: 4px 4px 14px;
      scroll-snap-type: x mandatory;
    }

    .testimonial-rail::-webkit-scrollbar {
      height: 8px;
    }

    .testimonial-rail::-webkit-scrollbar-thumb {
      border-radius: 99px;
      background: var(--line-strong);
    }

    .review {
      scroll-snap-align: start;
      padding: 20px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .review-head {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }

    .avatar {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: #fff;
      background: linear-gradient(135deg, var(--green-500), var(--green-900));
      font-weight: 900;
    }

    .review-name {
      font-weight: 900;
    }

    .review-time {
      color: var(--muted-2);
      font-size: 12px;
      font-weight: 700;
    }

    .stars {
      margin-left: auto;
      color: var(--warning);
      letter-spacing: -1px;
      font-size: 13px;
    }

    .review p {
      color: var(--ink-2);
      font-size: 14px;
    }

    .review .tag {
      margin-top: 14px;
    }

    .trust-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }

    .trust-item {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .trust-item svg {
      flex: 0 0 24px;
      color: var(--green-600);
    }

    .trust-item h3 {
      font-size: 16px;
      margin-bottom: 4px;
    }

    .trust-item p {
      color: var(--muted);
      font-size: 13px;
    }

    .steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      counter-reset: step;
    }

    .step {
      position: relative;
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: #fff;
      box-shadow: var(--shadow-sm);
      counter-increment: step;
    }

    .step::before {
      content: counter(step);
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      margin-bottom: 18px;
      border-radius: 12px;
      color: #fff;
      background: var(--ink);
      font-weight: 900;
    }

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

    .step p {
      color: var(--muted);
      font-size: 14px;
    }

    .news-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 18px;
    }

    .notice-card {
      padding: 22px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .notice-card.featured {
      background:
        linear-gradient(135deg, rgba(22,199,132,.10), rgba(255,255,255,.96)),
        #fff;
    }

    .notice-card h3 {
      font-size: 22px;
      letter-spacing: -.03em;
    }

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

    .notice-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 16px;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: .78fr 1.22fr;
      gap: 28px;
      align-items: start;
    }

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

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

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 20px;
      color: var(--ink);
      text-align: left;
      font-weight: 900;
      transition: background .2s var(--ease);
    }

    .faq-question:hover {
      background: var(--bg-soft);
    }

    .faq-question span:last-child {
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: var(--green-50);
      color: var(--green-700);
      transition: transform .2s var(--ease);
    }

    .faq-answer {
      display: none;
      padding: 0 20px 18px;
      color: var(--muted);
      font-size: 14px;
    }

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

    .faq-item.open .faq-question span:last-child {
      transform: rotate(45deg);
    }

    .cta {
      padding: 34px;
      border: 1px solid rgba(22, 199, 132, .28);
      border-radius: var(--radius-xl);
      background:
        radial-gradient(circle at 90% 0%, rgba(22,199,132,.24), transparent 34%),
        linear-gradient(135deg, #f2fff7, #ffffff 54%, #f6faf8);
      box-shadow: var(--shadow-md);
      overflow: hidden;
    }

    .cta-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 380px;
      gap: 28px;
      align-items: center;
    }

    .cta h2 {
      max-width: 680px;
      font-size: clamp(30px, 4vw, 48px);
      line-height: 1.12;
      letter-spacing: -.05em;
    }

    .cta p {
      max-width: 680px;
      margin-top: 14px;
      color: var(--muted);
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }

    .mini-cart {
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }

    .cart-line {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 0;
      border-bottom: 1px solid var(--line);
      font-size: 14px;
      font-weight: 800;
    }

    .cart-line:last-child {
      border-bottom: 0;
    }

    .cart-line span {
      color: var(--muted);
    }

    .site-footer {
      padding: 56px 0 26px;
      border-top: 1px solid var(--line);
      background: #0b1210;
      color: rgba(255,255,255,.78);
    }

    .site-footer .brand {
      color: #fff;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr .75fr .75fr .95fr;
      gap: 30px;
      align-items: start;
    }

    .footer-brand p {
      max-width: 420px;
      margin-top: 14px;
      color: rgba(255,255,255,.62);
      font-size: 14px;
    }

    .footer-col {
      display: grid;
      gap: 9px;
    }

    .footer-col h3 {
      margin-bottom: 6px;
      color: #fff;
      font-size: 15px;
    }

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

    .footer-col a:hover {
      color: #fff;
      transform: translateX(2px);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      align-items: center;
      margin-top: 34px;
      padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,.10);
      color: rgba(255,255,255,.52);
      font-size: 13px;
    }

    .socials {
      display: flex;
      gap: 8px;
    }

    .socials a {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: rgba(255,255,255,.78);
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.05);
      font-weight: 900;
    }

    .socials a:hover {
      color: #fff;
      border-color: rgba(22,199,132,.72);
      background: rgba(22,199,132,.16);
      transform: translateY(-2px);
    }

    @media (max-width: 1120px) {
      .nav {
        flex-wrap: wrap;
        padding: 14px 0;
      }

      .nav-actions {
        width: 100%;
        justify-content: flex-end;
      }

      .command-search {
        flex: 1;
        max-width: 520px;
      }

      .hero-layout,
      .filter-shell,
      .compare-grid,
      .evidence-layout,
      .faq-wrap,
      .cta-layout {
        grid-template-columns: 1fr;
      }

      .filter-panel {
        position: static;
      }

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

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

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

    @media (max-width: 768px) {
      :root {
        --nav-h: auto;
      }

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

      .site-header::before {
        padding: 0 10px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      .nav {
        gap: 14px;
      }

      .brand {
        max-width: 100%;
        font-size: 14px;
      }

      .brand-mark {
        width: 34px;
        height: 34px;
        border-radius: 12px;
      }

      .nav-links {
        order: 3;
        width: 100%;
        overflow-x: auto;
        justify-content: flex-start;
      }

      .nav-links a {
        height: 36px;
        padding: 0 14px;
      }

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

      .command-search {
        width: auto;
        min-width: 0;
      }

      .kbd {
        display: none;
      }

      .quick-link {
        width: 40px;
        height: 40px;
      }

      .hero {
        padding-top: 34px;
      }

      .hero-copy,
      .cta {
        padding: 24px;
      }

      .hero-stats,
      .form-row,
      .product-grid,
      .trust-bar,
      .steps,
      .news-grid {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 54px 0;
      }

      .section-head {
        grid-template-columns: 1fr;
        align-items: start;
      }

      .catalog-head {
        align-items: stretch;
        flex-direction: column;
      }

      .sort-box {
        width: 100%;
      }

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

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

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

    @media (max-width: 520px) {
      .nav-actions .btn-primary {
        display: none;
      }

      .command-search {
        height: 40px;
      }

      h1 {
        font-size: 38px;
      }

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

      .lead-top,
      .lead-body {
        padding: 18px;
      }

      .lead-cover {
        min-height: 248px;
      }

      .cover-float {
        left: 18px;
        right: 18px;
        width: auto;
      }

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

      .btn,
      .product-action {
        width: 100%;
      }

      .testimonial-rail {
        grid-auto-columns: 88%;
      }
    }