/* roulang page: index */
:root{
      --bg:#07070A;
      --bg-2:#0B0B10;
      --panel:#111018;
      --ink:#F8FAFC;
      --muted:#CBD5E1;
      --soft:#94A3B8;
      --line:rgba(255,255,255,.12);
      --line-dark:rgba(15,23,42,.12);
      --hot:#FF2D7A;
      --cyan:#20E3D2;
      --yellow:#FFE45C;
      --slate:#1F2937;
      --white:#FFFFFF;
      --radius:18px;
      --radius-sm:14px;
      --shadow-dark:0 18px 50px rgba(0,0,0,.35);
      --shadow-light:0 12px 30px rgba(15,23,42,.08);
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
      --mono:ui-monospace,SFMono-Regular,Menlo,monospace;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--ink);
      background:
        radial-gradient(circle at 16% 0%, rgba(255,45,122,.22), transparent 30%),
        radial-gradient(circle at 86% 12%, rgba(32,227,210,.16), transparent 24%),
        linear-gradient(180deg,#07070A 0%,#0B0B10 46%,#07070A 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.16;
      background-image:
        linear-gradient(rgba(255,255,255,.09) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.09) 1px, transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(180deg,#000,transparent 72%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer;border:0;background:none;color:inherit}
    .container{width:min(100% - 32px,1240px);margin-inline:auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      background:rgba(7,7,10,.92);
      border-bottom:1px solid rgba(255,255,255,.08);
      backdrop-filter:saturate(140%) blur(12px);
    }
    .nav-wrap{height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .brand{display:flex;align-items:center;gap:10px;min-width:0}
    .brand-mark{
      width:34px;height:34px;border-radius:12px;
      background:
        linear-gradient(135deg,var(--hot),var(--cyan));
      position:relative;
      box-shadow:0 0 0 1px rgba(255,255,255,.18),0 10px 24px rgba(255,45,122,.28);
      flex:0 0 auto;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";
      position:absolute;
      background:#07070A;
      border-radius:3px;
    }
    .brand-mark:before{width:14px;height:4px;left:10px;top:10px}
    .brand-mark:after{width:4px;height:14px;right:10px;bottom:8px}
    .brand-text{font-weight:900;font-size:17px;line-height:1.2;white-space:nowrap}
    .desktop-nav{display:flex;align-items:center;gap:8px}
    .nav-link{
      padding:9px 14px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      transition:.2s ease;
      position:relative;
    }
    .nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
    .nav-link.active{color:#07070A;background:var(--cyan)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .timer-pill{
      display:flex;align-items:center;gap:8px;
      padding:8px 12px;
      border:1px solid rgba(255,228,92,.36);
      border-radius:999px;
      color:var(--yellow);
      background:rgba(255,228,92,.08);
      font-family:var(--mono);
      font-size:12px;
      white-space:nowrap;
    }
    .pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 6px rgba(32,227,210,.12)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:12px 18px;
      border-radius:999px;
      font-weight:800;
      font-size:15px;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0) scale(.98)}
    .btn:focus-visible,.nav-link:focus-visible,.menu-btn:focus-visible,.faq-btn:focus-visible,input:focus-visible,select:focus-visible{
      outline:3px solid rgba(32,227,210,.55);
      outline-offset:3px;
    }
    .btn-primary{background:var(--hot);color:#fff;box-shadow:0 14px 30px rgba(255,45,122,.34)}
    .btn-primary:hover{background:#ff4a8d;box-shadow:0 18px 38px rgba(255,45,122,.44)}
    .btn-secondary{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.05);color:#fff}
    .btn-secondary:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(32,227,210,.08)}
    .btn-light{background:#fff;color:#07070A}
    .btn-light:hover{background:var(--yellow)}
    .menu-btn{
      display:none;
      width:44px;height:44px;border-radius:14px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.06);
      align-items:center;justify-content:center;
    }
    .menu-lines,.menu-lines:before,.menu-lines:after{width:18px;height:2px;background:#fff;border-radius:999px;display:block;position:relative;transition:.2s}
    .menu-lines:before,.menu-lines:after{content:"";position:absolute;left:0}
    .menu-lines:before{top:-6px}.menu-lines:after{top:6px}
    .mobile-panel{display:none;border-top:1px solid rgba(255,255,255,.08);padding:14px 0 18px}
    .mobile-panel.open{display:block}
    .mobile-panel .nav-link{display:flex;margin:6px 0;justify-content:space-between}
    .section{padding:82px 0}
    .section-light{background:#F8FAFC;color:#0F172A}
    .section-dark{background:#09090D;color:#F8FAFC;border-block:1px solid rgba(255,255,255,.08)}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 11px;
      border-radius:999px;
      font-weight:800;
      font-size:13px;
      color:var(--cyan);
      background:rgba(32,227,210,.1);
      border:1px solid rgba(32,227,210,.24);
    }
    .eyebrow.hot{color:#07070A;background:var(--yellow);border-color:transparent}
    .section-title{font-size:clamp(28px,3.2vw,40px);line-height:1.15;font-weight:900;margin:16px 0 12px;letter-spacing:0}
    .section-desc{max-width:760px;color:var(--muted);font-size:16px;margin:0}
    .section-light .section-desc{color:#475569}
    .hero{
      min-height:calc(100vh - 68px);
      max-height:none;
      display:flex;
      align-items:center;
      padding:54px 0 34px;
      position:relative;
    }
    .hero-stage{
      width:100%;
      border:1px solid rgba(255,255,255,.12);
      border-radius:28px;
      overflow:hidden;
      background:
        linear-gradient(135deg, rgba(255,45,122,.18), transparent 33%),
        linear-gradient(110deg, rgba(32,227,210,.10), transparent 54%),
        #0B0B10;
      box-shadow:var(--shadow-dark);
      position:relative;
    }
    .hero-stage:after{
      content:"限时";
      position:absolute;
      right:22px;
      top:20px;
      transform:rotate(8deg);
      background:var(--yellow);
      color:#07070A;
      font-weight:900;
      padding:10px 14px;
      border-radius:16px;
      box-shadow:0 12px 26px rgba(255,228,92,.28);
    }
    .hero-inner{
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:28px;
      padding:44px;
      align-items:center;
    }
    h1{
      font-size:clamp(36px,5.2vw,62px);
      line-height:1.08;
      font-weight:900;
      margin:18px 0;
      letter-spacing:0;
      max-width:760px;
    }
    .hero-copy{font-size:17px;color:var(--muted);max-width:700px;margin:0 0 24px}
    .hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}
    .group-strip{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:20px;
      max-width:720px;
    }
    .data-point{
      padding:14px;
      border:1px solid rgba(255,255,255,.1);
      border-radius:16px;
      background:rgba(255,255,255,.045);
    }
    .data-point strong{display:block;font-family:var(--mono);font-size:22px;color:#fff;line-height:1.1}
    .data-point span{display:block;color:var(--soft);font-size:13px;margin-top:4px}
    .bundle-panel{
      border:1px solid rgba(255,255,255,.12);
      border-radius:22px;
      background:#0E0E15;
      padding:20px;
      position:relative;
    }
    .coupon-stack{display:grid;gap:12px}
    .coupon{
      position:relative;
      padding:18px;
      border-radius:18px;
      background:#F8FAFC;
      color:#0F172A;
      box-shadow:0 14px 30px rgba(0,0,0,.2);
      overflow:hidden;
    }
    .coupon:before,.coupon:after{
      content:"";
      position:absolute;top:50%;
      width:20px;height:20px;border-radius:50%;
      background:#0E0E15;
      transform:translateY(-50%);
    }
    .coupon:before{left:-10px}.coupon:after{right:-10px}
    .coupon.featured{background:linear-gradient(135deg,var(--hot),#ff6aa4);color:#fff}
    .coupon small{display:inline-flex;color:inherit;opacity:.82;font-weight:800}
    .coupon h3{font-size:22px;line-height:1.2;margin:6px 0 8px;font-weight:900}
    .coupon p{margin:0;color:inherit;opacity:.82;font-size:14px}
    .countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:16px}
    .timebox{
      text-align:center;
      border:1px solid rgba(32,227,210,.22);
      background:#09090D;
      border-radius:14px;
      padding:10px 6px;
    }
    .timebox b{font-family:var(--mono);font-size:24px;line-height:1;color:#fff}
    .timebox span{display:block;font-size:12px;color:var(--soft);margin-top:5px}
    .next-peek{position:absolute;left:0;right:0;bottom:-1px;height:18px;background:#F8FAFC;border-radius:22px 22px 0 0}
    .product-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;margin-top:34px}
    .product-card{
      position:relative;
      border:1px solid var(--line-dark);
      background:#fff;
      border-radius:var(--radius);
      padding:22px;
      box-shadow:var(--shadow-light);
      transition:.2s ease;
      overflow:hidden;
    }
    .product-card:hover{transform:translateY(-4px);border-color:rgba(255,45,122,.42);box-shadow:0 18px 40px rgba(15,23,42,.12)}
    .product-card.dark{background:#101018;color:#fff;border-color:rgba(255,255,255,.12);box-shadow:var(--shadow-dark)}
    .ribbon{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:900;
      background:rgba(255,45,122,.1);
      color:var(--hot);
      border:1px solid rgba(255,45,122,.2);
    }
    .ribbon.yellow{background:var(--yellow);color:#07070A;border-color:transparent}
    .card-title{font-size:22px;line-height:1.25;font-weight:900;margin:14px 0 8px}
    .card-text{color:#475569;margin:0 0 14px;font-size:15px}
    .dark .card-text{color:#CBD5E1}
    .check-list{display:grid;gap:9px;margin:16px 0;padding:0;list-style:none}
    .check-list li{display:flex;gap:9px;color:#334155;font-size:14px}
    .dark .check-list li{color:#E2E8F0}
    .check-list li:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--cyan);margin-top:8px;flex:0 0 auto}
    .price-row{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-top:18px}
    .price{font-family:var(--mono);font-size:30px;font-weight:900;color:var(--hot);line-height:1}
    .product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .mini-cover{
      height:88px;border-radius:16px;
      background:
        linear-gradient(135deg,rgba(255,45,122,.85),rgba(32,227,210,.72)),
        linear-gradient(90deg,rgba(255,255,255,.18) 1px,transparent 1px);
      background-size:auto,18px 18px;
      display:flex;align-items:center;justify-content:center;
      font-family:var(--mono);font-size:26px;font-weight:900;color:#07070A;
      margin-bottom:14px;
    }
    .features-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:22px;margin-top:34px;align-items:stretch}
    .feature-stack{display:grid;gap:14px}
    .feature-line{
      display:flex;gap:14px;align-items:flex-start;
      padding:16px;
      border:1px solid rgba(255,255,255,.1);
      border-radius:18px;
      background:rgba(255,255,255,.045);
    }
    .icon{
      width:40px;height:40px;border-radius:14px;
      display:flex;align-items:center;justify-content:center;
      background:rgba(32,227,210,.12);
      color:var(--cyan);
      font-weight:900;
      flex:0 0 auto;
    }
    .feature-line h3{font-size:18px;font-weight:900;margin:0 0 4px}
    .feature-line p{margin:0;color:var(--muted);font-size:14px}
    .spec-board{
      border:1px solid rgba(255,255,255,.12);
      border-radius:22px;
      background:#0D0D14;
      padding:22px;
      box-shadow:var(--shadow-dark);
    }
    .spec-row{
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      padding:14px 0;
      border-bottom:1px solid rgba(255,255,255,.09);
      align-items:center;
    }
    .spec-row:last-child{border-bottom:0}
    .spec-row span{color:var(--soft);font-size:14px}
    .spec-row strong{font-size:15px;text-align:right}
    .progress-wrap{
      margin-top:34px;
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:22px;
      align-items:center;
    }
    .progress-panel{
      border-radius:24px;
      background:#fff;
      color:#0F172A;
      border:1px solid var(--line-dark);
      box-shadow:var(--shadow-light);
      padding:24px;
    }
    .progress-track{
      height:14px;
      border-radius:999px;
      background:#E2E8F0;
      overflow:hidden;
      margin:18px 0 10px;
    }
    .progress-fill{
      width:78%;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--hot),var(--cyan));
      box-shadow:0 8px 18px rgba(255,45,122,.22);
    }
    .task-list{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}
    .task-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:12px;
      border:1px solid #E2E8F0;
      border-radius:16px;
      background:#F8FAFC;
      color:#334155;
      font-size:14px;
    }
    .task-list li b{color:#0F172A}
    .task-list li:before{
      content:"✓";
      width:22px;height:22px;
      border-radius:50%;
      background:var(--cyan);
      color:#071014;
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:900;
      flex:0 0 auto;
      line-height:1;
    }
    .news-layout{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:22px;
      margin-top:34px;
    }
    .news-list{
      border:1px solid var(--line-dark);
      border-radius:22px;
      background:#fff;
      box-shadow:var(--shadow-light);
      overflow:hidden;
    }
    .news-item{
      display:grid;
      grid-template-columns:110px 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px;
      border-bottom:1px solid #E2E8F0;
      transition:.2s ease;
    }
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:#FFF1F6}
    .news-date{
      font-family:var(--mono);
      color:var(--hot);
      font-weight:900;
      font-size:14px;
    }
    .news-item h3{font-size:17px;font-weight:900;margin:0 0 4px;color:#0F172A}
    .news-item p{margin:0;color:#64748B;font-size:14px;line-height:1.55}
    .news-arrow{color:#94A3B8;font-size:22px}
    .side-promo{
      border-radius:22px;
      padding:24px;
      background:#111018;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:var(--shadow-dark);
      position:relative;
      overflow:hidden;
    }
    .side-promo:before{
      content:"";
      position:absolute;
      inset:auto -30px -70px auto;
      width:160px;height:160px;
      border:1px solid rgba(32,227,210,.34);
      transform:rotate(12deg);
    }
    .review-band{padding:82px 0;background:#08080C;border-block:1px solid rgba(255,255,255,.08)}
    .review-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:24px;align-items:start}
    .score-card{
      border:1px solid rgba(255,255,255,.12);
      border-radius:22px;
      padding:24px;
      background:#101018;
      box-shadow:var(--shadow-dark);
    }
    .score-card .score{font-family:var(--mono);font-size:54px;font-weight:900;color:var(--yellow);line-height:1}
    .score-card p{color:var(--muted);margin:12px 0 0}
    .review-window{overflow:hidden}
    .review-track{
      display:flex;
      gap:16px;
      transition:transform .35s ease;
    }
    .review-card{
      min-width:calc((100% - 32px)/3);
      border:1px solid rgba(255,255,255,.12);
      border-radius:20px;
      background:rgba(255,255,255,.045);
      padding:18px;
    }
    .avatar{
      width:42px;height:42px;border-radius:50%;
      display:flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,var(--hot),var(--cyan));
      color:#07070A;
      font-weight:900;
      margin-bottom:12px;
    }
    .review-card h3{font-size:16px;font-weight:900;margin:0 0 4px}
    .review-card .tag{display:inline-flex;color:var(--cyan);font-size:12px;font-weight:800;margin-bottom:10px}
    .review-card p{color:#CBD5E1;font-size:14px;margin:0 0 12px}
    .review-card time{font-size:12px;color:#94A3B8}
    .review-controls{display:flex;gap:10px;margin-top:16px}
    .round-btn{
      width:42px;height:42px;border-radius:50%;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.06);
      color:#fff;
      transition:.2s ease;
    }
    .round-btn:hover{border-color:var(--cyan);color:var(--cyan)}
    .trust-strip{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:12px;
      margin-top:34px;
    }
    .trust-item{
      border:1px solid #E2E8F0;
      border-radius:18px;
      background:#fff;
      padding:18px;
      box-shadow:var(--shadow-light);
    }
    .trust-item .trust-icon{font-size:24px;margin-bottom:8px}
    .trust-item h3{font-size:16px;font-weight:900;margin:0 0 4px;color:#0F172A}
    .trust-item p{font-size:13px;color:#64748B;margin:0;line-height:1.55}
    .faq-wrap{max-width:900px;margin:34px auto 0;display:grid;gap:12px}
    .faq-item{
      border:1px solid rgba(255,255,255,.12);
      border-radius:18px;
      background:#101018;
      overflow:hidden;
    }
    .faq-btn{
      width:100%;
      min-height:58px;
      padding:16px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      color:#fff;
      font-weight:900;
      text-align:left;
    }
    .faq-btn span:last-child{font-size:24px;color:var(--cyan);line-height:1}
    .faq-body{
      display:none;
      padding:0 18px 18px;
      color:#CBD5E1;
      font-size:15px;
    }
    .faq-item.open .faq-body{display:block}
    .faq-item.open .faq-btn span:last-child{transform:rotate(45deg)}
    .cta-section{
      padding:86px 0;
      background:
        linear-gradient(135deg,rgba(255,45,122,.88),rgba(32,227,210,.70)),
        #111018;
      color:#fff;
    }
    .cta-box{
      display:grid;
      grid-template-columns:1fr .92fr;
      gap:26px;
      align-items:center;
      border:1px solid rgba(255,255,255,.22);
      border-radius:28px;
      background:rgba(7,7,10,.72);
      padding:32px;
      box-shadow:var(--shadow-dark);
      overflow:hidden;
      position:relative;
    }
    .cta-box:after{
      content:"今日权益";
      position:absolute;
      right:24px;
      top:20px;
      background:var(--yellow);
      color:#07070A;
      border-radius:999px;
      padding:8px 12px;
      font-weight:900;
      transform:rotate(4deg);
    }
    .cta-box h2{font-size:clamp(30px,4vw,46px);line-height:1.12;margin:12px 0;font-weight:900}
    .cta-box p{color:#E2E8F0;margin:0;max-width:680px}
    .buy-form{
      display:grid;
      gap:12px;
      padding:20px;
      border-radius:22px;
      background:#F8FAFC;
      color:#0F172A;
    }
    .field{display:grid;gap:6px}
    .field label{font-size:13px;font-weight:900;color:#334155}
    .field select,.field input{
      width:100%;
      min-height:46px;
      border:1px solid #CBD5E1;
      border-radius:14px;
      background:#fff;
      padding:0 14px;
      color:#0F172A;
    }
    .form-note{font-size:12px;color:#64748B;margin:0}
    .sticky-bar{
      position:fixed;
      left:12px;
      right:12px;
      bottom:12px;
      z-index:55;
      display:none;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:10px 12px;
      border-radius:18px;
      background:#101018;
      border:1px solid rgba(255,255,255,.14);
      box-shadow:0 18px 45px rgba(0,0,0,.38);
    }
    .sticky-bar strong{font-size:14px;line-height:1.25}
    .sticky-bar span{display:block;color:var(--yellow);font-size:12px}
    .site-footer{
      background:#07070A;
      color:#CBD5E1;
      border-top:1px solid rgba(255,255,255,.08);
      padding:46px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .7fr .9fr;
      gap:26px;
      align-items:start;
    }
    .footer-title{font-weight:900;color:#fff;margin:0 0 12px}
    .footer-text{margin:12px 0 0;color:#94A3B8;font-size:14px;max-width:520px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#CBD5E1;font-size:14px;transition:.2s ease}
    .footer-links a:hover{color:var(--cyan)}
    .age-note{
      border:1px solid rgba(255,228,92,.28);
      background:rgba(255,228,92,.08);
      color:#FFE45C;
      border-radius:16px;
      padding:14px;
      font-size:13px;
    }
    .copyright{
      margin-top:30px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      color:#94A3B8;
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
    }
    @media (max-width:1024px){
      .hero-inner,.product-layout,.features-grid,.progress-wrap,.news-layout,.review-layout,.cta-box{grid-template-columns:1fr}
      .product-grid{grid-template-columns:repeat(2,1fr)}
      .trust-strip{grid-template-columns:repeat(3,1fr)}
      .review-card{min-width:calc((100% - 16px)/2)}
      .desktop-nav{display:none}
      .menu-btn{display:flex}
    }
    @media (max-width:768px){
      .container{width:min(100% - 32px,100%)}
      .nav-wrap{height:64px}
      .brand-text{font-size:15px;max-width:188px;overflow:hidden;text-overflow:ellipsis}
      .nav-actions .btn{display:none}
      .timer-pill{padding:7px 10px;font-size:11px}
      .hero{min-height:auto;padding:26px 0 20px}
      .hero-inner{padding:24px 18px 34px;gap:20px}
      .hero-stage{border-radius:22px}
      .hero-stage:after{right:14px;top:14px;font-size:13px;padding:7px 10px}
      h1{font-size:38px;line-height:1.12}
      .hero-copy{font-size:15px}
      .hero-ctas .btn{width:100%}
      .group-strip{grid-template-columns:1fr}
      .countdown{gap:7px}
      .timebox b{font-size:20px}
      .section{padding:58px 0}
      .product-layout,.product-grid{grid-template-columns:1fr}
      .news-item{grid-template-columns:1fr;gap:8px}
      .news-arrow{display:none}
      .trust-strip{grid-template-columns:repeat(2,1fr)}
      .review-card{min-width:100%}
      .footer-grid{grid-template-columns:1fr}
      .sticky-bar{display:flex}
      body{padding-bottom:78px}
    }
    @media (max-width:430px){
      .container{width:min(100% - 28px,100%)}
      h1{font-size:34px}
      .section-title{font-size:28px}
      .cta-box,.buy-form,.progress-panel,.spec-board{padding:18px}
      .trust-strip{grid-template-columns:1fr}
      .btn{padding:11px 14px;font-size:14px}
      .price-row{align-items:flex-start;flex-direction:column}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }

/* roulang page: category1 */
:root {
      --bg: #07070A;
      --bg-2: #0B0B10;
      --panel: #111018;
      --panel-2: #171720;
      --text: #F8FAFC;
      --muted: #CBD5E1;
      --soft: #94A3B8;
      --line: rgba(255,255,255,.10);
      --dark-line: rgba(15,23,42,.12);
      --pink: #FF2D7A;
      --pink-2: #D91F65;
      --cyan: #20E3D2;
      --yellow: #FFE45C;
      --slate: #64748B;
      --light: #F8FAFC;
      --light-2: #EEF2F7;
      --radius: 18px;
      --radius-sm: 14px;
      --shadow-dark: 0 18px 50px rgba(0,0,0,.35);
      --shadow-light: 0 12px 30px rgba(15,23,42,.08);
      --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
      --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      background:
        radial-gradient(circle at 18% 12%, rgba(255,45,122,.20), transparent 34%),
        radial-gradient(circle at 88% 8%, rgba(32,227,210,.14), transparent 28%),
        linear-gradient(180deg, #07070A 0%, #0B0B10 42%, #07070A 100%);
      line-height: 1.7;
      overflow-x: hidden;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .18;
      background-image:
        linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
      background-size: 34px 34px;
      mask-image: linear-gradient(to bottom, #000, transparent 74%);
      z-index: -1;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    button, input, select { font: inherit; }
    button { cursor: pointer; border: 0; background: none; color: inherit; }
    .container {
      width: min(1220px, calc(100% - 32px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(7,7,10,.94);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(10px);
    }
    .nav-wrap {
      min-height: 70px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      font-weight: 900;
      letter-spacing: 0;
    }
    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      position: relative;
      flex: 0 0 auto;
      background:
        linear-gradient(135deg, var(--pink) 0 44%, transparent 45%),
        linear-gradient(315deg, var(--cyan) 0 42%, #101018 43%);
      box-shadow: 0 0 0 1px rgba(255,255,255,.12), 0 10px 24px rgba(255,45,122,.25);
    }
    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 8px;
      border: 1px solid rgba(255,255,255,.58);
      border-radius: 6px;
    }
    .brand-text {
      font-size: 17px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .desktop-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(255,255,255,.035);
    }
    .nav-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 40px;
      padding: 0 15px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
      transition: transform .2s ease, color .2s ease, background .2s ease, box-shadow .2s ease;
    }
    .nav-link:hover,
    .nav-link:focus-visible {
      color: var(--text);
      background: rgba(32,227,210,.10);
      outline: none;
    }
    .nav-link.active {
      color: #09090B;
      background: var(--cyan);
      box-shadow: 0 10px 24px rgba(32,227,210,.22);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex: 0 0 auto;
    }
    .timer-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 38px;
      padding: 0 12px;
      border-radius: 999px;
      border: 1px solid rgba(255,228,92,.32);
      color: var(--yellow);
      background: rgba(255,228,92,.08);
      font-family: var(--mono);
      font-size: 13px;
      font-weight: 800;
      white-space: nowrap;
    }
    .pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--yellow);
      box-shadow: 0 0 0 6px rgba(255,228,92,.12);
      animation: pulse 1.6s ease-in-out infinite;
    }
    @keyframes pulse {
      0%, 100% { transform: scale(.92); opacity: .78; }
      50% { transform: scale(1.12); opacity: 1; }
    }
    .btn {
      min-height: 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 999px;
      padding: 0 18px;
      font-size: 15px;
      font-weight: 800;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
      border: 1px solid transparent;
      white-space: nowrap;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn:active { transform: translateY(0); }
    .btn:focus-visible {
      outline: 3px solid rgba(32,227,210,.38);
      outline-offset: 3px;
    }
    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--pink), var(--pink-2));
      box-shadow: 0 14px 30px rgba(255,45,122,.28);
    }
    .btn-primary:hover { box-shadow: 0 18px 42px rgba(255,45,122,.38); }
    .btn-secondary {
      color: var(--text);
      border-color: rgba(32,227,210,.42);
      background: rgba(32,227,210,.08);
    }
    .btn-secondary:hover {
      border-color: var(--cyan);
      background: rgba(32,227,210,.14);
      box-shadow: 0 14px 30px rgba(32,227,210,.14);
    }
    .menu-btn {
      width: 44px;
      height: 44px;
      display: none;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.04);
    }
    .menu-btn:focus-visible {
      outline: 3px solid rgba(32,227,210,.38);
      outline-offset: 2px;
    }
    .menu-lines,
    .menu-lines::before,
    .menu-lines::after {
      width: 18px;
      height: 2px;
      display: block;
      border-radius: 99px;
      background: var(--text);
      position: relative;
      transition: transform .2s ease, opacity .2s ease;
    }
    .menu-lines::before,
    .menu-lines::after {
      content: "";
      position: absolute;
      left: 0;
    }
    .menu-lines::before { top: -6px; }
    .menu-lines::after { top: 6px; }
    .menu-btn[aria-expanded="true"] .menu-lines { background: transparent; }
    .menu-btn[aria-expanded="true"] .menu-lines::before { transform: translateY(6px) rotate(45deg); }
    .menu-btn[aria-expanded="true"] .menu-lines::after { transform: translateY(-6px) rotate(-45deg); }
    .mobile-panel {
      display: none;
      padding: 0 0 16px;
    }
    .age-note {
      color: var(--soft);
      font-size: 13px;
      line-height: 1.65;
      border: 1px dashed rgba(255,228,92,.35);
      background: rgba(255,228,92,.06);
      border-radius: 14px;
      padding: 12px 14px;
    }

    .top-strip {
      background: var(--light);
      color: #0F172A;
      border-bottom: 1px solid rgba(15,23,42,.08);
    }
    .strip-inner {
      min-height: 48px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      font-size: 14px;
      font-weight: 700;
    }
    .strip-tags {
      display: flex;
      gap: 8px;
      overflow-x: auto;
      scrollbar-width: none;
    }
    .strip-tags::-webkit-scrollbar { display: none; }
    .strip-tag {
      flex: 0 0 auto;
      border-radius: 999px;
      padding: 6px 10px;
      color: #0F172A;
      background: #fff;
      border: 1px solid rgba(15,23,42,.10);
    }

    .page-hero {
      position: relative;
      overflow: hidden;
      padding: 42px 0 34px;
      background:
        linear-gradient(90deg, rgba(255,45,122,.18), transparent 55%),
        linear-gradient(135deg, #0B0B10 0%, #14131C 68%, #09090B 100%);
      border-bottom: 1px solid var(--line);
    }
    .page-hero::after {
      content: "";
      position: absolute;
      right: -90px;
      top: -120px;
      width: 360px;
      height: 360px;
      border-radius: 50%;
      border: 1px solid rgba(32,227,210,.24);
      background: radial-gradient(circle, rgba(32,227,210,.16), transparent 66%);
    }
    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
      gap: 28px;
      align-items: stretch;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      border-radius: 999px;
      padding: 7px 12px;
      background: rgba(255,45,122,.13);
      border: 1px solid rgba(255,45,122,.32);
      color: #FFD7E6;
      font-weight: 800;
      font-size: 13px;
    }
    .page-hero h1 {
      max-width: 860px;
      margin: 16px 0 14px;
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.08;
      font-weight: 900;
      letter-spacing: 0;
    }
    .hero-summary {
      max-width: 780px;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.8;
      margin: 0;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 22px;
    }
    .hero-panel {
      border-radius: 22px;
      padding: 18px;
      background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.035));
      border: 1px solid var(--line);
      box-shadow: var(--shadow-dark);
      min-height: 260px;
      position: relative;
    }
    .sticker {
      position: absolute;
      top: -14px;
      right: 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 72px;
      min-height: 42px;
      padding: 0 12px;
      transform: rotate(4deg);
      color: #151515;
      background: var(--yellow);
      font-weight: 900;
      border-radius: 14px 14px 14px 4px;
      box-shadow: 0 14px 24px rgba(255,228,92,.20);
    }
    .mini-countdown {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 8px;
      margin-bottom: 16px;
    }
    .time-box {
      min-height: 70px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      padding: 8px 4px;
      background: rgba(7,7,10,.76);
      border: 1px solid rgba(255,255,255,.10);
    }
    .time-box strong {
      font-family: var(--mono);
      color: var(--cyan);
      font-size: 22px;
      line-height: 1;
    }
    .time-box span {
      color: var(--soft);
      font-size: 12px;
      margin-top: 4px;
    }
    .panel-list {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .panel-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: var(--muted);
      padding: 12px;
      border-radius: 14px;
      background: rgba(255,255,255,.045);
      border: 1px solid rgba(255,255,255,.08);
    }
    .check-dot {
      width: 18px;
      height: 18px;
      flex: 0 0 auto;
      margin-top: 4px;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 0 5px rgba(32,227,210,.10);
    }

    main { background: transparent; }
    .section {
      padding: 74px 0;
    }
    .section-light {
      background: var(--light);
      color: #0F172A;
    }
    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 26px;
    }
    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 10px;
      color: var(--pink);
      font-weight: 900;
      font-size: 13px;
    }
    h2 {
      margin: 0;
      font-size: clamp(26px, 3.2vw, 38px);
      line-height: 1.16;
      font-weight: 900;
      letter-spacing: 0;
    }
    .section-desc {
      max-width: 560px;
      margin: 0;
      color: #475569;
      font-size: 16px;
      line-height: 1.8;
    }
    .section:not(.section-light) .section-desc { color: var(--muted); }

    .filter-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 26px;
      padding: 12px;
      border-radius: 20px;
      background: #fff;
      border: 1px solid rgba(15,23,42,.08);
      box-shadow: var(--shadow-light);
    }
    .filter-scroll {
      display: flex;
      gap: 8px;
      overflow-x: auto;
      scrollbar-width: none;
    }
    .filter-scroll::-webkit-scrollbar { display: none; }
    .filter-chip {
      flex: 0 0 auto;
      min-height: 38px;
      padding: 0 14px;
      border-radius: 999px;
      color: #334155;
      background: #F1F5F9;
      border: 1px solid transparent;
      font-weight: 800;
      transition: all .2s ease;
    }
    .filter-chip:hover,
    .filter-chip.active {
      color: #0F172A;
      background: rgba(32,227,210,.18);
      border-color: rgba(32,227,210,.48);
    }
    .sort-pill {
      min-height: 38px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border-radius: 999px;
      padding: 0 14px;
      color: #0F172A;
      background: rgba(255,228,92,.48);
      font-weight: 900;
      white-space: nowrap;
    }

    .benefit-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }
    .benefit-card {
      position: relative;
      overflow: hidden;
      min-height: 100%;
      border-radius: 22px;
      padding: 18px;
      background: #fff;
      border: 1px solid rgba(15,23,42,.10);
      box-shadow: var(--shadow-light);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .benefit-card:hover {
      transform: translateY(-4px);
      border-color: rgba(255,45,122,.48);
      box-shadow: 0 20px 44px rgba(15,23,42,.14);
    }
    .benefit-card.featured {
      grid-column: span 2;
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 20px;
      color: var(--text);
      background:
        radial-gradient(circle at 22% 12%, rgba(255,45,122,.35), transparent 34%),
        linear-gradient(135deg, #101018, #171720);
      border-color: rgba(255,255,255,.12);
      box-shadow: var(--shadow-dark);
    }
    .card-cover {
      min-height: 180px;
      border-radius: 18px;
      position: relative;
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(255,45,122,.24), transparent 48%),
        linear-gradient(315deg, rgba(32,227,210,.22), transparent 44%),
        #111827;
      border: 1px solid rgba(255,255,255,.12);
    }
    .card-cover::before {
      content: "";
      position: absolute;
      inset: 18px;
      border-radius: 14px;
      border: 1px solid rgba(255,255,255,.12);
      background-image:
        linear-gradient(rgba(255,255,255,.10) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.10) 1px, transparent 1px);
      background-size: 24px 24px;
    }
    .card-cover::after {
      content: "18+";
      position: absolute;
      right: 14px;
      bottom: 14px;
      padding: 8px 10px;
      border-radius: 12px;
      color: #0F172A;
      background: var(--yellow);
      font-weight: 900;
      font-family: var(--mono);
    }
    .badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 14px;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      padding: 6px 10px;
      font-size: 12px;
      font-weight: 900;
      color: #0F172A;
      background: rgba(32,227,210,.20);
      border: 1px solid rgba(32,227,210,.32);
    }
    .badge.hot {
      background: rgba(255,45,122,.14);
      color: #FF2D7A;
      border-color: rgba(255,45,122,.28);
    }
    .benefit-card.featured .badge {
      color: #DFFFFC;
      background: rgba(32,227,210,.16);
      border-color: rgba(32,227,210,.36);
    }
    .benefit-card.featured .badge.hot {
      color: #FFE0EA;
      background: rgba(255,45,122,.18);
      border-color: rgba(255,45,122,.38);
    }
    .benefit-card h3 {
      margin: 0 0 10px;
      font-size: 21px;
      line-height: 1.3;
      font-weight: 900;
      color: #0F172A;
    }
    .benefit-card.featured h3 { color: var(--text); font-size: 28px; }
    .benefit-card p {
      margin: 0 0 14px;
      color: #64748B;
      font-size: 15px;
    }
    .benefit-card.featured p { color: var(--muted); }
    .benefit-list {
      list-style: none;
      padding: 0;
      margin: 0 0 18px;
      display: grid;
      gap: 8px;
    }
    .benefit-list li {
      display: flex;
      gap: 8px;
      align-items: flex-start;
      color: #475569;
      font-size: 14px;
    }
    .benefit-card.featured .benefit-list li { color: var(--muted); }
    .benefit-list li::before {
      content: "";
      width: 8px;
      height: 8px;
      margin-top: 8px;
      flex: 0 0 auto;
      border-radius: 99px;
      background: var(--pink);
      box-shadow: 0 0 0 4px rgba(255,45,122,.10);
    }
    .card-foot {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding-top: 14px;
      border-top: 1px solid rgba(15,23,42,.10);
    }
    .benefit-card.featured .card-foot { border-color: rgba(255,255,255,.12); }
    .price-note {
      display: grid;
      gap: 2px;
      color: #0F172A;
      font-weight: 900;
    }
    .benefit-card.featured .price-note { color: var(--text); }
    .price-note small {
      color: #64748B;
      font-weight: 700;
      font-size: 12px;
    }
    .benefit-card.featured .price-note small { color: var(--soft); }
    .small-btn {
      min-height: 38px;
      padding: 0 13px;
      border-radius: 999px;
      color: #fff;
      background: #0F172A;
      font-weight: 900;
      font-size: 13px;
      transition: all .2s ease;
      white-space: nowrap;
    }
    .small-btn:hover,
    .small-btn:focus-visible {
      background: var(--pink);
      outline: none;
      transform: translateY(-2px);
    }

    .rule-grid {
      display: grid;
      grid-template-columns: .85fr 1.15fr;
      gap: 22px;
      align-items: start;
    }
    .rule-panel {
      border-radius: 22px;
      padding: 22px;
      background: rgba(255,255,255,.055);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-dark);
    }
    .rule-panel.light {
      color: #0F172A;
      background: #fff;
      border-color: rgba(15,23,42,.08);
      box-shadow: var(--shadow-light);
    }
    .metric-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-top: 18px;
    }
    .metric {
      padding: 16px;
      border-radius: 16px;
      background: rgba(7,7,10,.58);
      border: 1px solid rgba(255,255,255,.10);
    }
    .metric strong {
      display: block;
      color: var(--cyan);
      font-size: 28px;
      font-family: var(--mono);
      line-height: 1.1;
    }
    .metric span {
      color: var(--soft);
      font-size: 13px;
    }
    .param-list {
      display: grid;
      gap: 12px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .param-list li {
      display: grid;
      grid-template-columns: 140px 1fr;
      gap: 14px;
      padding: 14px;
      border-radius: 16px;
      background: #F8FAFC;
      border: 1px solid rgba(15,23,42,.08);
    }
    .param-list strong {
      color: #0F172A;
      font-weight: 900;
    }
    .param-list span {
      color: #64748B;
      font-size: 14px;
    }

    .reviews-band {
      background:
        radial-gradient(circle at 12% 12%, rgba(32,227,210,.18), transparent 32%),
        linear-gradient(180deg, #0B0B10, #07070A);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }
    .reviews-layout {
      display: grid;
      grid-template-columns: 320px 1fr;
      gap: 22px;
      align-items: stretch;
    }
    .score-card {
      border-radius: 22px;
      padding: 22px;
      background: rgba(255,255,255,.055);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-dark);
    }
    .score-num {
      font-family: var(--mono);
      font-size: 54px;
      line-height: 1;
      font-weight: 900;
      color: var(--yellow);
      margin-bottom: 8px;
    }
    .review-track {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: minmax(260px, 1fr);
      gap: 16px;
      overflow-x: auto;
      scroll-snap-type: x mandatory;
      padding-bottom: 8px;
      scrollbar-color: rgba(32,227,210,.5) transparent;
    }
    .review-card {
      scroll-snap-align: start;
      border-radius: 22px;
      padding: 18px;
      background: rgba(255,255,255,.055);
      border: 1px solid var(--line);
      min-height: 210px;
    }
    .review-head {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }
    .avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: #09090B;
      background: var(--cyan);
      font-weight: 900;
    }
    .review-card strong { display: block; }
    .review-card small { color: var(--soft); }
    .review-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .guard-strip {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 12px;
    }
    .guard-item {
      border-radius: 18px;
      padding: 18px;
      color: #0F172A;
      background: #fff;
      border: 1px solid rgba(15,23,42,.08);
      box-shadow: var(--shadow-light);
    }
    .guard-icon {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      border-radius: 14px;
      margin-bottom: 12px;
      color: #0F172A;
      background: rgba(32,227,210,.20);
      font-size: 18px;
    }
    .guard-item h3 {
      margin: 0 0 6px;
      font-size: 16px;
      font-weight: 900;
    }
    .guard-item p {
      margin: 0;
      color: #64748B;
      font-size: 13px;
      line-height: 1.6;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: .75fr 1.25fr;
      gap: 24px;
      align-items: start;
    }
    .faq-list {
      display: grid;
      gap: 12px;
    }
    .faq-item {
      border-radius: 18px;
      background: rgba(255,255,255,.055);
      border: 1px solid var(--line);
      overflow: hidden;
    }
    .faq-question {
      width: 100%;
      min-height: 58px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 16px 18px;
      color: var(--text);
      text-align: left;
      font-weight: 900;
    }
    .faq-question:focus-visible {
      outline: 3px solid rgba(32,227,210,.38);
      outline-offset: -3px;
    }
    .faq-icon {
      width: 24px;
      height: 24px;
      flex: 0 0 auto;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: #0F172A;
      background: var(--cyan);
      font-weight: 900;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .25s ease;
    }
    .faq-answer p {
      margin: 0;
      padding: 0 18px 18px;
      color: var(--muted);
      font-size: 15px;
    }
    .faq-item.open .faq-answer { max-height: 220px; }
    .faq-item.open .faq-icon { background: var(--pink); color: #fff; }

    .cta-panel {
      position: relative;
      overflow: hidden;
      border-radius: 28px;
      padding: 34px;
      background:
        radial-gradient(circle at 12% 18%, rgba(255,228,92,.22), transparent 28%),
        linear-gradient(135deg, #111018, #07070A 56%, #171720);
      border: 1px solid rgba(255,255,255,.12);
      box-shadow: var(--shadow-dark);
    }
    .cta-panel::after {
      content: "限时";
      position: absolute;
      right: 28px;
      top: 24px;
      width: 74px;
      height: 74px;
      display: grid;
      place-items: center;
      border-radius: 24px 24px 24px 6px;
      transform: rotate(8deg);
      color: #111;
      background: var(--yellow);
      font-weight: 900;
      box-shadow: 0 18px 32px rgba(255,228,92,.20);
    }
    .cta-grid {
      display: grid;
      grid-template-columns: 1fr 340px;
      gap: 24px;
      align-items: end;
      position: relative;
      z-index: 1;
    }
    .cta-panel h2 {
      max-width: 760px;
      margin-bottom: 12px;
    }
    .cta-panel p {
      max-width: 720px;
      color: var(--muted);
      margin: 0;
    }
    .choice-box {
      border-radius: 20px;
      padding: 16px;
      background: rgba(255,255,255,.06);
      border: 1px solid var(--line);
    }
    .choice-row {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 10px;
      align-items: center;
      padding: 12px;
      border-radius: 14px;
      background: rgba(7,7,10,.54);
      border: 1px solid rgba(255,255,255,.10);
      margin-bottom: 12px;
    }
    .choice-row strong { font-weight: 900; }
    .choice-row span {
      color: var(--yellow);
      font-family: var(--mono);
      font-weight: 900;
    }
    .site-footer {
      padding: 48px 0 26px;
      background: #07070A;
      color: var(--muted);
      border-top: 1px solid var(--line);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.15fr .65fr 1fr;
      gap: 30px;
      align-items: start;
    }
    .footer-text {
      max-width: 520px;
      margin: 14px 0 0;
      color: var(--soft);
      font-size: 14px;
    }
    .footer-title {
      margin: 0 0 12px;
      color: var(--text);
      font-size: 16px;
      font-weight: 900;
    }
    .footer-links {
      display: grid;
      gap: 10px;
    }
    .footer-links a {
      color: var(--muted);
      transition: color .2s ease;
      width: fit-content;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: var(--cyan);
      outline: none;
    }
    .copyright {
      margin-top: 28px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
      display: flex;
      justify-content: space-between;
      gap: 14px;
      color: var(--soft);
      font-size: 13px;
      flex-wrap: wrap;
    }

    @media (max-width: 1024px) {
      .desktop-nav { display: none; }
      .menu-btn { display: inline-flex; }
      .mobile-panel.open { display: grid; gap: 8px; }
      .mobile-panel .nav-link {
        justify-content: space-between;
        border-radius: 14px;
        background: rgba(255,255,255,.04);
        border: 1px solid var(--line);
      }
      .mobile-panel .nav-link.active {
        color: #09090B;
        background: var(--cyan);
      }
      .hero-grid,
      .rule-grid,
      .reviews-layout,
      .faq-wrap,
      .cta-grid {
        grid-template-columns: 1fr;
      }
      .benefit-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .benefit-card.featured { grid-column: span 2; }
      .guard-strip { grid-template-columns: repeat(3, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .container { width: min(100% - 32px, 1220px); }
      .nav-wrap { min-height: 64px; }
      .brand-text { max-width: 172px; font-size: 15px; }
      .nav-actions .btn-primary { display: none; }
      .timer-pill { padding: 0 10px; font-size: 12px; }
      .strip-inner {
        align-items: flex-start;
        flex-direction: column;
        padding: 10px 0;
        gap: 8px;
      }
      .page-hero { padding: 34px 0 28px; }
      .hero-actions .btn { width: 100%; }
      .section { padding: 56px 0; }
      .section-head {
        align-items: flex-start;
        flex-direction: column;
      }
      .filter-bar {
        align-items: stretch;
        flex-direction: column;
      }
      .benefit-grid { grid-template-columns: 1fr; }
      .benefit-card.featured {
        grid-column: auto;
        grid-template-columns: 1fr;
      }
      .guard-strip { grid-template-columns: repeat(2, 1fr); }
      .param-list li { grid-template-columns: 1fr; gap: 6px; }
      .metric-grid { grid-template-columns: 1fr; }
      .cta-panel { padding: 26px 18px; border-radius: 22px; }
      .cta-panel::after {
        width: 58px;
        height: 58px;
        right: 14px;
        top: 14px;
        border-radius: 18px 18px 18px 5px;
      }
      .footer-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 520px) {
      .container { width: min(100% - 28px, 1220px); }
      .brand-mark { width: 31px; height: 31px; border-radius: 10px; }
      .brand-text { max-width: 138px; }
      .timer-pill { display: none; }
      .page-hero h1 { font-size: 35px; }
      .hero-summary { font-size: 15px; }
      .mini-countdown { gap: 6px; }
      .time-box { min-height: 62px; }
      .time-box strong { font-size: 19px; }
      .guard-strip { grid-template-columns: 1fr; }
      .card-foot {
        align-items: stretch;
        flex-direction: column;
      }
      .small-btn { width: 100%; }
    }