/* roulang page: index */
:root{
      --ink:#18181b;
      --muted:#6b6259;
      --paper:#faf7f1;
      --paper-2:#f4f0e8;
      --line:#e7ded2;
      --orange:#f97316;
      --orange-2:#fb923c;
      --red:#ef4444;
      --dark:#111113;
      --white:#fffdfa;
      --green:#16a34a;
      --shadow:0 16px 42px rgba(24,24,27,.10);
      --shadow-soft:0 10px 26px rgba(24,24,27,.07);
      --radius:24px;
      --radius-sm:16px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Helvetica Neue,Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at top left, rgba(249,115,22,.13), transparent 32rem),
        linear-gradient(180deg,var(--paper),#fffaf2 46%,var(--paper-2));
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{max-width:var(--container);margin:0 auto;padding:0 24px}
    .top-alert{
      background:#fff1df;
      border-bottom:1px solid rgba(249,115,22,.25);
      color:#3f2b1f;
      font-size:14px;
    }
    .top-alert .container{
      min-height:42px;
      display:flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      text-align:center;
    }
    .alert-dot{
      width:9px;height:9px;border-radius:999px;
      background:linear-gradient(135deg,var(--red),var(--orange));
      box-shadow:0 0 0 5px rgba(249,115,22,.12);
      flex:0 0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      backdrop-filter:saturate(160%) blur(14px);
      background:rgba(250,247,241,.88);
      border-bottom:1px solid rgba(24,24,27,.10);
    }
    .nav-wrap{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:850;
      letter-spacing:-.02em;
      white-space:nowrap;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      background:linear-gradient(135deg,var(--orange),var(--red));
      position:relative;
      box-shadow:0 10px 24px rgba(239,68,68,.24);
      border:2px solid var(--ink);
    }
    .brand-mark:before,.brand-mark:after{
      content:"";
      position:absolute;
      left:9px;right:9px;
      height:2px;
      background:#18181b;
      opacity:.85;
    }
    .brand-mark:before{top:13px}
    .brand-mark:after{bottom:13px}
    .brand-text{font-size:18px}
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:6px;
      flex:1;
      justify-content:center;
    }
    .nav-link,.mega-toggle{
      position:relative;
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:44px;
      padding:0 14px;
      border-radius:999px;
      color:#39342f;
      font-size:15px;
      font-weight:700;
      transition:.22s ease;
      border:0;
      background:transparent;
    }
    .nav-link:hover,.mega-toggle:hover{
      background:#fff1df;
      color:#c2410c;
    }
    .nav-link.active{
      color:#c2410c;
      background:#fff5ec;
    }
    .nav-link.active:after{
      content:"";
      position:absolute;
      left:18px;right:18px;bottom:5px;
      height:2px;
      border-radius:99px;
      background:var(--orange);
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      min-height:46px;
      padding:0 20px;
      font-weight:800;
      border:1px solid transparent;
      transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--red),var(--orange) 62%,var(--orange-2));
      box-shadow:0 14px 28px rgba(239,68,68,.22);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(239,68,68,.30)}
    .btn-secondary{
      color:var(--ink);
      background:rgba(255,253,250,.78);
      border-color:rgba(24,24,27,.14);
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:rgba(249,115,22,.55);background:#fff7ed}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(24,24,27,.2)}
    .mobile-btn{
      display:none;
      width:46px;height:46px;border-radius:16px;border:1px solid var(--line);
      background:#fffaf4;
      align-items:center;justify-content:center;
    }
    .mobile-btn span,.mobile-btn span:before,.mobile-btn span:after{
      display:block;width:20px;height:2px;background:var(--ink);border-radius:99px;content:"";transition:.2s ease;
    }
    .mobile-btn span:before{transform:translateY(-7px)}
    .mobile-btn span:after{transform:translateY(5px)}
    .mega-holder{position:relative}
    .mega-panel{
      position:absolute;
      top:58px;
      left:50%;
      transform:translateX(-50%) translateY(10px);
      width:min(860px,calc(100vw - 40px));
      background:#fffdf8;
      border:1px solid var(--line);
      border-radius:24px;
      box-shadow:var(--shadow);
      padding:18px;
      opacity:0;
      visibility:hidden;
      pointer-events:none;
      transition:.22s ease;
    }
    .mega-holder:hover .mega-panel,.mega-holder:focus-within .mega-panel{
      opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0);
    }
    .mega-grid{display:grid;grid-template-columns:1.05fr 1.5fr;gap:16px}
    .mega-feature{
      background:linear-gradient(145deg,#18181b,#2b211c);
      color:#fff;
      border-radius:20px;
      padding:22px;
      min-height:190px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .mega-feature small{color:#fed7aa;font-weight:800}
    .mega-feature strong{font-size:24px;line-height:1.25}
    .mega-mini{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:10px;
    }
    .mega-card{
      border:1px solid var(--line);
      border-radius:18px;
      padding:14px;
      background:#fffaf4;
      transition:.2s ease;
    }
    .mega-card:hover{border-color:rgba(249,115,22,.55);background:#fff3e8;transform:translateY(-2px)}
    .mega-card b{display:block;font-size:15px;margin-bottom:4px}
    .mega-card span{font-size:13px;color:var(--muted);line-height:1.55}
    .mega-safe{
      margin-top:14px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:8px;
      font-size:12px;
      color:#55483d;
    }
    .mega-safe span{background:#fff3e6;border:1px solid rgba(249,115,22,.18);border-radius:999px;padding:7px 9px;text-align:center}
    .mobile-menu{
      display:none;
      border-top:1px solid var(--line);
      padding:10px 0 18px;
    }
    .mobile-menu a{
      display:flex;
      min-height:48px;
      align-items:center;
      padding:0 18px;
      border-radius:14px;
      font-weight:800;
    }
    .mobile-menu a.active,.mobile-menu a:hover{background:#fff1df;color:#c2410c}
    main{overflow:hidden}
    section{padding:82px 0;border-bottom:1px solid rgba(24,24,27,.08)}
    .hero{
      padding:76px 0 68px;
      min-height:640px;
      display:flex;
      align-items:center;
      border-bottom:1px solid rgba(24,24,27,.11);
      background:
        linear-gradient(90deg, rgba(24,24,27,.88), rgba(24,24,27,.68)),
        radial-gradient(circle at 70% 15%, rgba(249,115,22,.65), transparent 24rem),
        linear-gradient(135deg,#18181b,#3a241a);
      color:#fff;
      position:relative;
    }
    .hero:before{
      content:"";
      position:absolute;inset:0;
      background-image:linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
      background-size:36px 36px;
      mask-image:linear-gradient(180deg,#000,transparent 88%);
      opacity:.45;
    }
    .hero .container{position:relative;z-index:1}
    .hero-center{max-width:980px;margin:0 auto;text-align:center}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border:1px solid rgba(255,255,255,.22);
      background:rgba(255,255,255,.08);
      color:#fed7aa;
      padding:8px 14px;
      border-radius:999px;
      font-size:13px;
      font-weight:850;
      letter-spacing:.03em;
    }
    .hero h1{
      margin:22px 0 18px;
      font-size:clamp(38px,7vw,66px);
      line-height:1.08;
      letter-spacing:-.06em;
      font-weight:900;
    }
    .hero p{
      max-width:780px;
      margin:0 auto;
      color:#f7e9dc;
      font-size:18px;
      line-height:1.85;
    }
    .search-panel{
      margin:34px auto 0;
      max-width:820px;
      background:#fffdf8;
      border:1px solid rgba(255,255,255,.20);
      border-radius:28px;
      padding:12px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:10px;
      box-shadow:0 24px 70px rgba(0,0,0,.28);
    }
    .search-panel input{
      min-height:58px;
      border:0;
      outline:0;
      border-radius:20px;
      padding:0 20px;
      color:var(--ink);
      background:#fff7ed;
      font-weight:700;
    }
    .search-panel input:focus{box-shadow:0 0 0 3px rgba(249,115,22,.22)}
    .quick-tags{
      margin:18px auto 0;
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:10px;
    }
    .quick-tags a,.tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border:1px solid rgba(255,255,255,.20);
      color:#fff7ed;
      border-radius:999px;
      padding:8px 13px;
      font-size:13px;
      font-weight:800;
      background:rgba(255,255,255,.07);
      transition:.2s ease;
    }
    .quick-tags a:hover{background:#fff7ed;color:#9a3412;transform:translateY(-2px)}
    .hero-stats{
      margin:34px auto 0;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      max-width:850px;
    }
    .stat-box{
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.16);
      border-radius:20px;
      padding:16px;
      text-align:left;
    }
    .stat-box b{display:block;font-size:24px;color:#fff}
    .stat-box span{font-size:13px;color:#fed7aa}
    .section-head{
      display:grid;
      grid-template-columns:minmax(0, .9fr) minmax(260px, .45fr);
      gap:28px;
      align-items:end;
      margin-bottom:34px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#c2410c;
      font-weight:900;
      font-size:13px;
      letter-spacing:.08em;
      text-transform:uppercase;
    }
    .section-kicker:before{
      content:"";
      width:34px;height:2px;background:var(--orange);border-radius:99px;
    }
    h2{
      margin:8px 0 0;
      font-size:clamp(30px,4vw,42px);
      line-height:1.18;
      letter-spacing:-.04em;
      font-weight:900;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      font-size:16px;
    }
    .deal-rail{
      display:grid;
      grid-template-columns:1.2fr .82fr .82fr;
      gap:18px;
    }
    .deal-card{
      background:#fffdf8;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      padding:22px;
      min-height:260px;
      position:relative;
      overflow:hidden;
      transition:.22s ease;
    }
    .deal-card:hover,.list-item:hover,.review-card:hover{
      transform:translateY(-3px);
      border-color:rgba(249,115,22,.55);
      box-shadow:var(--shadow);
    }
    .deal-card.feature{
      background:linear-gradient(135deg,#fffdf8,#fff1df);
      min-height:300px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:6px 11px;
      font-size:12px;
      font-weight:900;
      background:#fff0e1;
      color:#c2410c;
      border:1px solid rgba(249,115,22,.22);
    }
    .badge.dark{background:#18181b;color:#fff;border-color:#18181b}
    .badge.green{background:#ecfdf5;color:#15803d;border-color:#bbf7d0}
    .price-line{
      display:flex;
      align-items:flex-end;
      gap:10px;
      margin:20px 0 8px;
    }
    .price-line strong{
      font-size:52px;
      line-height:.9;
      letter-spacing:-.05em;
      color:#ef4444;
    }
    .price-line span{color:var(--muted);font-weight:800}
    .deal-card h3{font-size:24px;line-height:1.25;margin:14px 0 8px;font-weight:900}
    .deal-card p{color:var(--muted);margin:0 0 18px}
    .mini-list{display:grid;gap:10px;margin:16px 0 0;padding:0;list-style:none}
    .mini-list li{
      display:flex;
      align-items:center;
      gap:9px;
      color:#51463d;
      font-size:14px;
    }
    .mini-list li:before{
      content:"";
      width:8px;height:8px;border-radius:99px;background:var(--orange);flex:0 0 auto;
    }
    .stock-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:22px;
      align-items:stretch;
    }
    .stock-panel,.table-panel,.news-panel,.side-note,.cta-panel,.faq-wrap{
      background:#fffdf8;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
    }
    .stock-panel{
      padding:26px;
      background:linear-gradient(145deg,#18181b,#261b16);
      color:#fff;
    }
    .stock-panel h3{font-size:30px;margin:12px 0 10px;font-weight:900;line-height:1.18}
    .stock-panel p{color:#f4d9c5}
    .meter{
      height:13px;border-radius:99px;background:rgba(255,255,255,.13);overflow:hidden;margin:22px 0 14px;
    }
    .meter span{display:block;height:100%;width:72%;background:linear-gradient(90deg,var(--red),var(--orange));border-radius:99px}
    .stock-note{
      display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px;
    }
    .stock-note div{border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:14px;background:rgba(255,255,255,.06)}
    .stock-note b{display:block;font-size:20px}
    .table-panel{padding:12px}
    .req-row{
      display:grid;
      grid-template-columns:130px 1fr 110px;
      gap:12px;
      align-items:center;
      padding:16px;
      border-bottom:1px solid var(--line);
    }
    .req-row:last-child{border-bottom:0}
    .req-row b{font-size:16px}
    .req-row p{margin:0;color:var(--muted);font-size:14px}
    .label{
      justify-self:start;
      border-radius:999px;
      padding:6px 10px;
      font-size:12px;
      font-weight:900;
      border:1px solid var(--line);
      background:#fff7ed;
      color:#9a3412;
    }
    .news-layout{
      display:grid;
      grid-template-columns:1.4fr .7fr;
      gap:22px;
    }
    .news-panel{padding:10px}
    .list-item{
      display:grid;
      grid-template-columns:72px 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px;
      border-bottom:1px solid var(--line);
      transition:.22s ease;
      border-radius:18px;
    }
    .list-item:last-child{border-bottom:0}
    .issue{
      width:54px;height:54px;border-radius:18px;background:#18181b;color:#fff;
      display:flex;align-items:center;justify-content:center;font-weight:900;
    }
    .list-item h3{font-size:19px;margin:0 0 4px;font-weight:900}
    .list-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}
    .side-note{padding:24px;background:#fff4e8}
    .side-note h3{margin:0 0 12px;font-size:24px;font-weight:900}
    .side-note ol{padding-left:20px;margin:14px 0 0;color:#473a31}
    .side-note li{margin:10px 0}
    .steps-grid{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
    }
    .step-card{
      background:#fffdf8;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:24px;
      box-shadow:var(--shadow-soft);
      position:relative;
    }
    .step-no{
      font-size:48px;
      line-height:1;
      color:rgba(249,115,22,.22);
      font-weight:950;
      letter-spacing:-.05em;
    }
    .step-card h3{font-size:22px;margin:10px 0 8px;font-weight:900}
    .step-card p{margin:0;color:var(--muted)}
    .recommend-track{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .rec-card{
      border:1px solid var(--line);
      border-radius:22px;
      background:#fffdf8;
      padding:18px;
      min-height:180px;
      transition:.2s ease;
    }
    .rec-card:hover{background:#fff4e8;border-color:rgba(249,115,22,.55);transform:translateY(-3px)}
    .rec-top{
      height:52px;
      border-radius:16px;
      background:
        linear-gradient(90deg,rgba(24,24,27,.9),rgba(24,24,27,.72)),
        repeating-linear-gradient(90deg,rgba(255,255,255,.15) 0 9px, transparent 9px 18px);
      margin-bottom:14px;
    }
    .rec-card h3{margin:0 0 7px;font-size:18px;font-weight:900}
    .rec-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}
    .review-wall{
      display:grid;
      grid-template-columns:1fr 1.2fr .9fr;
      gap:18px;
      align-items:start;
    }
    .review-card{
      background:#fffdf8;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:22px;
      box-shadow:var(--shadow-soft);
      transition:.22s ease;
    }
    .review-card.big{grid-row:span 2;background:#fff3e6}
    .quote{font-size:46px;color:var(--orange);line-height:1;font-weight:900}
    .review-card p{margin:6px 0 16px;color:#3f3933}
    .review-meta{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:13px;font-weight:800}
    .cta-panel{
      padding:30px;
      background:
        radial-gradient(circle at 18% 10%, rgba(255,255,255,.28), transparent 16rem),
        linear-gradient(135deg,#ef4444,#f97316 58%,#fb923c);
      color:#fff;
      overflow:hidden;
      position:relative;
    }
    .cta-grid{
      display:grid;
      grid-template-columns:1fr auto;
      gap:26px;
      align-items:center;
    }
    .cta-panel h2{color:#fff;margin:0 0 10px}
    .cta-panel p{color:#fff7ed;margin:0;max-width:720px}
    .cta-price{
      display:flex;
      align-items:center;
      gap:18px;
      margin-top:20px;
      flex-wrap:wrap;
    }
    .cta-price strong{font-size:44px;line-height:1;font-weight:950}
    .cta-price span{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24);border-radius:999px;padding:8px 12px;font-weight:900}
    .cta-actions{display:grid;gap:10px;min-width:230px}
    .cta-actions .btn{background:#18181b;color:#fff;border-color:#18181b}
    .cta-actions .btn:nth-child(2){background:#fff;color:#18181b;border-color:#fff}
    .security-bar{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:12px;
      margin-top:28px;
    }
    .security-item{
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.18);
      border-radius:18px;
      padding:14px;
      font-size:13px;
      font-weight:850;
    }
    .security-item i{
      display:block;
      width:28px;height:28px;border-radius:10px;
      background:#fff;color:#ef4444;
      font-style:normal;
      text-align:center;line-height:28px;
      margin-bottom:8px;
    }
    .faq-wrap{padding:12px}
    .faq-item{
      border-bottom:1px solid var(--line);
      border-radius:18px;
      overflow:hidden;
    }
    .faq-item:last-child{border-bottom:0}
    .faq-q{
      width:100%;
      min-height:62px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      padding:0 18px;
      border:0;
      background:transparent;
      color:var(--ink);
      text-align:left;
      font-weight:900;
    }
    .faq-q:hover{background:#fff3e8;color:#c2410c}
    .faq-q:focus,.btn:focus,.nav-link:focus,.mega-toggle:focus,input:focus{
      outline:3px solid rgba(249,115,22,.28);
      outline-offset:2px;
    }
    .faq-a{
      display:none;
      padding:0 18px 18px 18px;
      color:var(--muted);
      border-left:4px solid var(--orange);
      margin-left:18px;
    }
    .faq-item.open{background:#fff8ef}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span{transform:rotate(45deg)}
    .footer{
      background:#141414;
      color:#fff8ee;
      padding:64px 0 96px;
      border-top:6px solid var(--orange);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .7fr .7fr;
      gap:34px;
    }
    .footer .brand{margin-bottom:16px}
    .footer p{color:#d9c8b8;margin:0;max-width:560px}
    .footer h3{font-size:16px;margin:0 0 14px;color:#fff;font-weight:900}
    .footer a{
      display:block;
      color:#d9c8b8;
      margin:8px 0;
      transition:.2s ease;
    }
    .footer a:hover{color:#fb923c;transform:translateX(2px)}
    .copyright{
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.12);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:#bba996;
      font-size:13px;
    }
    .fixed-cta{
      position:fixed;
      left:50%;
      bottom:18px;
      transform:translateX(-50%);
      z-index:70;
      width:min(760px,calc(100vw - 28px));
      background:rgba(24,24,27,.92);
      color:#fff;
      border:1px solid rgba(255,255,255,.12);
      border-radius:999px;
      box-shadow:0 20px 60px rgba(0,0,0,.28);
      padding:8px 8px 8px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      backdrop-filter:blur(14px);
    }
    .fixed-cta b{font-size:14px}
    .fixed-cta span{color:#fed7aa;font-size:13px}
    @media (max-width:1024px){
      .desktop-nav,.nav-actions{display:none}
      .mobile-btn{display:flex}
      .mobile-menu.show{display:block}
      .section-head,.stock-grid,.news-layout,.cta-grid{grid-template-columns:1fr}
      .deal-rail{grid-template-columns:1fr 1fr}
      .deal-card.feature{grid-column:1/-1}
      .recommend-track,.security-bar{grid-template-columns:repeat(2,1fr)}
      .review-wall{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{padding:0 18px}
      section{padding:56px 0}
      .hero{padding:58px 0;min-height:auto}
      .search-panel{grid-template-columns:1fr;padding:10px;border-radius:22px}
      .search-panel .btn{width:100%}
      .hero-stats,.steps-grid,.deal-rail,.review-wall{grid-template-columns:1fr}
      .req-row{grid-template-columns:1fr;gap:6px}
      .list-item{grid-template-columns:52px 1fr}
      .list-item .btn{grid-column:1/-1;width:100%}
      .issue{width:46px;height:46px;border-radius:15px}
      .footer-grid{grid-template-columns:1fr}
      .fixed-cta{border-radius:22px;align-items:stretch;flex-direction:column;padding:12px}
      .fixed-cta .btn{width:100%}
    }
    @media (max-width:520px){
      .brand-text{font-size:15px;max-width:220px;overflow:hidden;text-overflow:ellipsis}
      .top-alert .container{justify-content:flex-start;text-align:left}
      .recommend-track,.security-bar,.stock-note{grid-template-columns:1fr}
      .hero h1{letter-spacing:-.04em}
      .quick-tags{justify-content:flex-start}
      .price-line strong{font-size:42px}
      .cta-price strong{font-size:36px}
    }

/* roulang page: category1 */
:root{
      --ink:#18181b;
      --ink-soft:#3f3f46;
      --muted:#71717a;
      --paper:#faf7f1;
      --paper-2:#f4f0e8;
      --paper-3:#fffdf8;
      --line:#e7ded2;
      --line-dark:rgba(24,24,27,.14);
      --orange:#f97316;
      --orange-2:#fb923c;
      --red:#ef4444;
      --amber:#ffedd5;
      --green:#16a34a;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --shadow:0 14px 36px rgba(24,24,27,.08);
      --shadow-hover:0 20px 48px rgba(249,115,22,.16);
      --container:1200px;
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--ink);
      background:
        radial-gradient(circle at 12% 8%, rgba(249,115,22,.12), transparent 26%),
        linear-gradient(180deg,var(--paper),#fffaf2 46%,var(--paper-2));
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:var(--orange);color:#fff}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .skip-link{
      position:absolute;left:-999px;top:12px;background:var(--ink);color:#fff;
      padding:10px 14px;border-radius:999px;z-index:99
    }
    .skip-link:focus{left:16px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:12px 20px;border-radius:999px;border:1px solid transparent;
      font-weight:800;letter-spacing:.01em;transition:.22s ease;white-space:nowrap
    }
    .btn-primary{
      color:#fff;background:linear-gradient(135deg,var(--red),var(--orange) 56%,var(--orange-2));
      box-shadow:0 12px 28px rgba(239,68,68,.22)
    }
    .btn-primary:hover,.btn-primary:focus{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn-secondary{
      background:rgba(255,253,248,.86);border-color:var(--line-dark);color:var(--ink)
    }
    .btn-secondary:hover,.btn-secondary:focus{border-color:var(--orange);background:#fff3e8;transform:translateY(-2px)}
    .btn-dark{
      background:var(--ink);color:#fff;border-color:var(--ink)
    }
    .btn-dark:hover,.btn-dark:focus{background:#2b2b31;transform:translateY(-2px)}
    .btn-small{min-height:38px;padding:8px 14px;font-size:14px}
    .tag,.badge{
      display:inline-flex;align-items:center;gap:6px;border-radius:999px;
      padding:7px 12px;font-size:13px;font-weight:800;line-height:1.2
    }
    .tag{border:1px solid rgba(249,115,22,.34);color:#9a3412;background:#fff7ed}
    .tag.active,.badge-hot{background:linear-gradient(135deg,var(--red),var(--orange));color:#fff;border-color:transparent}
    .badge-dark{background:var(--ink);color:#fff}
    .badge-soft{background:var(--paper-2);border:1px solid var(--line);color:var(--ink-soft)}
    .site-header{
      position:sticky;top:0;z-index:50;background:rgba(250,247,241,.88);
      backdrop-filter:blur(18px);border-bottom:1px solid rgba(231,222,210,.82)
    }
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .brand{display:inline-flex;align-items:center;gap:12px;min-width:0}
    .brand-mark{
      width:38px;height:38px;border-radius:12px;position:relative;flex:0 0 auto;
      background:linear-gradient(135deg,var(--orange),var(--red));
      box-shadow:inset 0 0 0 2px rgba(255,255,255,.42),0 10px 20px rgba(239,68,68,.18)
    }
    .brand-mark:before,.brand-mark:after{
      content:"";position:absolute;background:var(--ink);border-radius:2px;opacity:.88
    }
    .brand-mark:before{width:20px;height:2px;left:9px;top:13px}
    .brand-mark:after{width:2px;height:18px;right:12px;bottom:8px}
    .brand-text{font-weight:900;font-size:18px;letter-spacing:-.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .desktop-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-link,.mega-toggle{
      min-height:42px;padding:10px 13px;border-radius:999px;color:var(--ink-soft);
      font-size:15px;font-weight:800;background:transparent;border:0;transition:.2s ease
    }
    .nav-link:hover,.mega-toggle:hover{color:var(--ink);background:#fff3e8}
    .nav-link.active{color:#c2410c;background:#ffedd5;box-shadow:inset 0 -2px 0 var(--orange)}
    .mega-holder{position:relative}
    .mega-toggle span{display:inline-block;transition:.2s ease}
    .mega-holder:hover .mega-toggle span,.mega-holder:focus-within .mega-toggle span{transform:rotate(180deg)}
    .mega-panel{
      position:absolute;right:-150px;top:54px;width:min(860px,calc(100vw - 48px));
      padding:16px;border:1px solid var(--line);border-radius:24px;background:rgba(255,253,248,.98);
      box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(10px);
      transition:.22s ease
    }
    .mega-holder:hover .mega-panel,.mega-holder:focus-within .mega-panel{
      opacity:1;visibility:visible;transform:translateY(0)
    }
    .mega-grid{display:grid;grid-template-columns:1.05fr 1.45fr;gap:14px}
    .mega-feature{
      padding:22px;border-radius:20px;background:var(--ink);color:#fff;min-height:190px;
      display:flex;flex-direction:column;justify-content:flex-end;gap:8px;position:relative;overflow:hidden
    }
    .mega-feature:before{
      content:"";position:absolute;inset:18px;border:1px solid rgba(255,255,255,.18);border-radius:16px
    }
    .mega-feature small{color:#fed7aa;font-weight:800;z-index:1}
    .mega-feature strong{font-size:24px;line-height:1.2;z-index:1}
    .mega-feature span{color:#e7e5e4;font-size:14px;z-index:1}
    .mega-mini{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .mega-card{
      padding:15px;border:1px solid var(--line);border-radius:16px;background:#fffaf2;transition:.2s ease
    }
    .mega-card:hover{border-color:var(--orange);background:#fff3e8;transform:translateY(-2px)}
    .mega-card b{display:block;margin-bottom:4px}
    .mega-card span{display:block;color:var(--muted);font-size:13px;line-height:1.55}
    .mega-safe{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
    .mega-safe span{font-size:12px;font-weight:800;padding:6px 10px;border-radius:999px;background:var(--paper-2);border:1px solid var(--line)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .mobile-btn{display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:14px;background:#fffaf2;position:relative}
    .mobile-btn span,.mobile-btn:before,.mobile-btn:after{
      content:"";position:absolute;left:12px;right:12px;height:2px;background:var(--ink);border-radius:2px;transition:.2s
    }
    .mobile-btn span{top:22px}.mobile-btn:before{top:15px}.mobile-btn:after{top:29px}
    .mobile-btn.open span{opacity:0}.mobile-btn.open:before{top:22px;transform:rotate(45deg)}.mobile-btn.open:after{top:22px;transform:rotate(-45deg)}
    .mobile-menu{
      display:none;padding:0 0 18px;grid-template-columns:1fr;gap:8px
    }
    .mobile-menu a{
      padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#fffdf8;font-weight:800
    }
    .mobile-menu a.active{background:#ffedd5;color:#c2410c;border-color:rgba(249,115,22,.35)}
    .notice{
      border-bottom:1px solid var(--line);background:linear-gradient(90deg,#fff7ed,#fffdf8);
      color:#7c2d12;font-weight:800;font-size:14px
    }
    .notice-inner{min-height:44px;display:flex;align-items:center;gap:12px;justify-content:space-between}
    .notice span:first-child{display:inline-flex;align-items:center;gap:8px}
    main{display:block}
    .breadcrumb{padding:26px 0 0;color:var(--muted);font-size:14px;font-weight:700}
    .breadcrumb a:hover{color:var(--orange)}
    .breadcrumb .current{color:#c2410c}
    .hero{
      padding:34px 0 80px;position:relative
    }
    .hero-grid{
      display:grid;grid-template-columns:minmax(0,1.03fr) minmax(360px,.72fr);gap:34px;align-items:stretch
    }
    .kicker{
      display:flex;align-items:center;gap:10px;color:#c2410c;font-size:14px;font-weight:900;
      text-transform:uppercase;letter-spacing:.04em;margin-bottom:16px
    }
    .kicker:before{content:"";width:42px;height:2px;background:var(--orange)}
    h1{
      margin:0;font-size:clamp(36px,5.3vw,62px);line-height:1.12;letter-spacing:-.055em;font-weight:900
    }
    .hero-copy{
      margin:22px 0 0;max-width:760px;color:var(--ink-soft);font-size:18px;line-height:1.85
    }
    .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 0}
    .filter-row{display:flex;flex-wrap:wrap;gap:10px;margin:30px 0 0}
    .filter-row .tag{cursor:pointer;background:#fffdf8}
    .filter-row .tag:hover{border-color:var(--orange);transform:translateY(-1px)}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .cover-card{
      border-radius:28px;background:var(--ink);color:#fff;padding:18px;box-shadow:var(--shadow);
      min-height:480px;position:relative;overflow:hidden
    }
    .cover-card:before{
      content:"";position:absolute;inset:-120px -120px auto auto;width:320px;height:320px;
      background:radial-gradient(circle,rgba(249,115,22,.45),transparent 66%)
    }
    .cover-frame{
      position:relative;border:1px solid rgba(255,255,255,.16);border-radius:22px;height:100%;
      padding:22px;display:flex;flex-direction:column;justify-content:space-between;gap:20px
    }
    .cover-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
    .live-label{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
      background:rgba(239,68,68,.18);border:1px solid rgba(248,113,113,.42);font-weight:900
    }
    .live-dot{width:8px;height:8px;border-radius:50%;background:#f87171;box-shadow:0 0 0 7px rgba(248,113,113,.16)}
    .cover-title{font-size:30px;line-height:1.2;font-weight:900;letter-spacing:-.04em;max-width:360px}
    .countdown{
      display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:20px
    }
    .timebox{
      background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
      border-radius:16px;padding:12px 8px;text-align:center
    }
    .timebox b{display:block;font-size:28px;line-height:1;font-weight:900;color:#fed7aa}
    .timebox span{font-size:12px;color:#d4d4d8;font-weight:800}
    .subscribe{
      background:#fffaf2;color:var(--ink);border-radius:20px;padding:16px;border:1px solid rgba(255,255,255,.28)
    }
    .subscribe label{display:block;font-weight:900;margin-bottom:8px}
    .subscribe-row{display:flex;gap:8px}
    .subscribe input{
      min-width:0;flex:1;border:1px solid var(--line);border-radius:999px;padding:11px 14px;background:#fff;
      outline:none
    }
    .subscribe input:focus{border-color:var(--orange);box-shadow:0 0 0 4px rgba(249,115,22,.14)}
    .subscribe p{margin:8px 0 0;color:var(--muted);font-size:13px;line-height:1.5}
    .section{padding:76px 0;border-top:1px solid rgba(231,222,210,.8)}
    .section-head{
      display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,420px);gap:24px;
      align-items:end;margin-bottom:30px
    }
    .eyebrow{color:#c2410c;font-weight:900;font-size:13px;letter-spacing:.08em;margin-bottom:8px}
    h2{margin:0;font-size:clamp(28px,3.3vw,40px);line-height:1.18;letter-spacing:-.04em;font-weight:900}
    .section-summary{margin:0;color:var(--ink-soft);font-size:16px}
    .catalog-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:26px;align-items:start}
    .feature-entry{
      display:grid;grid-template-columns:130px minmax(0,1fr) auto;gap:22px;align-items:center;
      padding:24px;border-radius:24px;background:#fffdf8;border:1px solid var(--line);
      box-shadow:var(--shadow);margin-bottom:16px;transition:.22s ease
    }
    .feature-entry:hover,.list-item:hover{transform:translateY(-3px);border-color:rgba(249,115,22,.52);box-shadow:var(--shadow-hover)}
    .entry-no{
      height:112px;border-radius:20px;background:linear-gradient(135deg,var(--ink),#2b2b31);
      color:#fff;display:flex;flex-direction:column;justify-content:center;align-items:center;position:relative;overflow:hidden
    }
    .entry-no:after{content:"";position:absolute;width:80px;height:80px;border:1px solid rgba(255,255,255,.12);border-radius:50%;right:-22px;bottom:-22px}
    .entry-no b{font-size:38px;line-height:1;color:#fb923c}.entry-no span{font-weight:900;font-size:13px}
    .entry-content h3{margin:0 0 8px;font-size:24px;line-height:1.25}
    .entry-content p{margin:0;color:var(--ink-soft)}
    .meta-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
    .list-stack{display:grid;gap:12px}
    .list-item{
      display:grid;grid-template-columns:82px minmax(0,1fr) auto;gap:18px;align-items:center;
      padding:18px;border-radius:20px;background:rgba(255,253,248,.82);border:1px solid var(--line);
      transition:.22s ease
    }
    .status-chip{
      display:flex;align-items:center;justify-content:center;min-height:64px;border-radius:16px;
      background:#fff7ed;border:1px solid rgba(249,115,22,.28);color:#c2410c;font-weight:900
    }
    .list-text h3{margin:0 0 6px;font-size:20px;line-height:1.25}
    .list-text p{margin:0;color:var(--muted);font-size:15px;line-height:1.65}
    .side-panel{position:sticky;top:100px;display:grid;gap:14px}
    .side-card{
      background:#fffdf8;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 10px 26px rgba(24,24,27,.05)
    }
    .side-card h3{
      margin:0;padding:14px 18px;background:var(--ink);color:#fff;font-size:17px;display:flex;justify-content:space-between;align-items:center
    }
    .side-card h3 span{color:#fb923c}
    .side-body{padding:18px}
    .check-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
    .check-list li{display:grid;grid-template-columns:26px 1fr;gap:10px;color:var(--ink-soft);font-size:15px}
    .check-list i{
      font-style:normal;width:24px;height:24px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
      background:#ffedd5;color:#c2410c;font-weight:900;font-size:12px
    }
    .mini-links{display:grid;gap:8px}
    .mini-links a{
      display:flex;justify-content:space-between;align-items:center;padding:11px 12px;border-radius:14px;
      border:1px solid var(--line);background:#fffaf2;font-weight:800;transition:.2s
    }
    .mini-links a:hover{background:#fff3e8;border-color:var(--orange);transform:translateX(2px)}
    .requirements-grid{
      display:grid;grid-template-columns:1.1fr .9fr;gap:22px
    }
    .table-card,.security-card{
      background:#fffdf8;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden
    }
    .req-row{
      display:grid;grid-template-columns:135px 110px minmax(0,1fr);gap:16px;padding:18px 20px;border-bottom:1px solid var(--line);align-items:center
    }
    .req-row:last-child{border-bottom:0}
    .req-row strong{font-size:16px}
    .req-row p{margin:0;color:var(--muted);font-size:15px}
    .label{
      display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:6px 10px;
      font-size:12px;font-weight:900;border:1px solid var(--line)
    }
    .label.recommend{background:linear-gradient(135deg,var(--red),var(--orange));color:#fff;border-color:transparent}
    .label.warn{background:#fff7ed;color:#c2410c;border-color:rgba(249,115,22,.28)}
    .label.info{background:var(--paper-2);color:var(--ink-soft)}
    .security-card{padding:24px;display:flex;flex-direction:column;gap:18px}
    .score{
      display:flex;align-items:end;gap:10px;border-bottom:1px solid var(--line);padding-bottom:18px
    }
    .score b{font-size:58px;line-height:.92;color:var(--orange);letter-spacing:-.06em}
    .score span{font-weight:900;color:var(--ink-soft)}
    .security-list{display:grid;gap:10px}
    .security-list div{
      display:flex;justify-content:space-between;gap:12px;padding:12px;border-radius:14px;background:#fff7ed;border:1px solid rgba(249,115,22,.18)
    }
    .security-list b{color:#c2410c}
    .timeline{display:grid;gap:14px}
    .timeline-item{
      display:grid;grid-template-columns:130px minmax(0,1fr);gap:20px;padding:20px;border-radius:22px;
      background:#fffdf8;border:1px solid var(--line);position:relative
    }
    .timeline-item:hover{border-color:var(--orange);box-shadow:var(--shadow)}
    .timeline-date{font-weight:900;color:#c2410c}
    .timeline-item h3{margin:0 0 6px;font-size:20px}
    .timeline-item p{margin:0;color:var(--muted)}
    .assurance{
      display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:28px
    }
    .assurance div{
      padding:14px 12px;border-radius:18px;background:#fffdf8;border:1px solid var(--line);
      display:flex;align-items:center;gap:10px;font-weight:900
    }
    .assurance span{
      width:30px;height:30px;border-radius:10px;background:#ffedd5;color:#c2410c;
      display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto
    }
    .faq-wrap{display:grid;gap:12px;max-width:920px}
    .faq-item{
      border:1px solid var(--line);border-radius:18px;background:#fffdf8;overflow:hidden;transition:.2s ease
    }
    .faq-item:hover{border-color:rgba(249,115,22,.5)}
    .faq-q{
      width:100%;min-height:58px;border:0;background:transparent;padding:16px 18px;text-align:left;
      display:flex;align-items:center;justify-content:space-between;gap:18px;font-weight:900;color:var(--ink)
    }
    .faq-q span:last-child{width:28px;height:28px;border-radius:50%;background:#ffedd5;color:#c2410c;display:flex;align-items:center;justify-content:center;flex:0 0 auto;transition:.2s}
    .faq-a{display:none;padding:0 18px 18px 20px;border-left:4px solid var(--orange);margin:0 0 16px 18px;color:var(--ink-soft)}
    .faq-item.open{background:#fff7ed;border-color:rgba(249,115,22,.54)}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg);background:var(--orange);color:#fff}
    .cta{
      padding:0 0 86px
    }
    .cta-panel{
      border-radius:30px;background:
        linear-gradient(135deg,rgba(239,68,68,.96),rgba(249,115,22,.96)),
        var(--orange);
      color:#fff;padding:34px;display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:26px;align-items:center;
      box-shadow:0 24px 60px rgba(239,68,68,.22);position:relative;overflow:hidden
    }
    .cta-panel:before{
      content:"";position:absolute;inset:18px;border:1px solid rgba(255,255,255,.22);border-radius:24px;pointer-events:none
    }
    .cta h2{color:#fff;position:relative}
    .cta p{margin:14px 0 0;color:#fff7ed;position:relative}
    .price-box{
      position:relative;background:rgba(24,24,27,.9);border:1px solid rgba(255,255,255,.16);
      border-radius:24px;padding:20px
    }
    .price-box small{color:#fed7aa;font-weight:900}
    .price-box b{display:block;font-size:44px;line-height:1.05;margin:6px 0 10px;color:#fff}
    .price-box ul{margin:0 0 16px;padding-left:18px;color:#e7e5e4;font-size:14px}
    .cta-actions{display:flex;gap:10px;flex-wrap:wrap;position:relative;margin-top:22px}
    .cta .btn-secondary{background:#fff;color:var(--ink)}
    .footer{
      background:var(--ink);color:#f5f5f4;padding:58px 0 24px
    }
    .footer .brand-text{color:#fff}
    .footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) .7fr .7fr;gap:36px}
    .footer p{margin:18px 0 0;color:#d4d4d8;max-width:560px}
    .footer h3{margin:0 0 14px;font-size:16px;color:#fed7aa}
    .footer a{display:block;color:#e7e5e4;margin:8px 0;transition:.2s}
    .footer a:hover{color:#fb923c;transform:translateX(2px)}
    .copyright{
      margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
      display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#a1a1aa;font-size:13px
    }
    @media (max-width:1100px){
      .desktop-nav{display:none}
      .mobile-btn{display:block}
      .nav-actions{margin-left:auto}
      .mobile-menu.show{display:grid}
      .hero-grid,.catalog-layout,.requirements-grid,.cta-panel{grid-template-columns:1fr}
      .side-panel{position:static}
      .cover-card{min-height:420px}
      .assurance{grid-template-columns:repeat(3,1fr)}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .nav-wrap{height:68px}
      .brand-text{font-size:16px;max-width:190px}
      .nav-actions .btn-secondary{display:none}
      .notice-inner{align-items:flex-start;flex-direction:column;padding:10px 0;gap:4px}
      .hero{padding:24px 0 56px}
      .section{padding:56px 0}
      .section-head{grid-template-columns:1fr}
      .feature-entry,.list-item{grid-template-columns:1fr}
      .entry-no{height:auto;min-height:88px;align-items:flex-start;padding:16px}
      .list-item .btn{width:100%}
      .req-row{grid-template-columns:1fr;gap:8px}
      .timeline-item{grid-template-columns:1fr;gap:8px}
      .assurance{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr}
      .subscribe-row{flex-direction:column}
      .subscribe-row .btn{width:100%}
    }
    @media (max-width:520px){
      .nav-actions .btn-primary{padding:10px 14px;font-size:14px}
      .brand-mark{width:34px;height:34px}
      .hero-actions .btn,.cta-actions .btn{width:100%}
      .countdown{grid-template-columns:repeat(2,1fr)}
      .cover-title{font-size:25px}
      .assurance{grid-template-columns:1fr}
      .cta-panel{padding:26px 18px;border-radius:24px}
    }