/* roulang page: index */
:root{
      --primary:#1d5cff;
      --primary-dark:#0e3fc7;
      --primary-soft:#eaf1ff;
      --secondary:#00a3ff;
      --accent:#ffb020;
      --success:#15b981;
      --danger:#ff5a6b;
      --ink:#111827;
      --text:#2f3a4a;
      --muted:#667085;
      --subtle:#8b98aa;
      --line:#e6ebf3;
      --bg:#f6f9ff;
      --white:#ffffff;
      --card:#ffffff;
      --deep:#0c1836;
      --radius-xs:10px;
      --radius-sm:14px;
      --radius-md:20px;
      --radius-lg:28px;
      --radius-xl:36px;
      --shadow-sm:0 8px 22px rgba(16, 24, 40, .06);
      --shadow-md:0 16px 42px rgba(29, 92, 255, .12);
      --shadow-lg:0 26px 72px rgba(18, 38, 88, .18);
      --container:1180px;
      --ease:all .22s ease;
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 0%, rgba(29,92,255,.10), transparent 30%),
        radial-gradient(circle at 92% 12%, rgba(0,163,255,.10), transparent 28%),
        linear-gradient(180deg,#ffffff 0%,var(--bg) 48%,#ffffff 100%);
      line-height:1.65;
      min-width:320px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0;background:none;cursor:pointer}
    ul,ol{list-style:none}
    ::selection{background:rgba(29,92,255,.18);color:var(--primary-dark)}

    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .section{
      padding:86px 0;
      position:relative;
    }
    .section-tight{padding:62px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(29,92,255,.16);
      background:rgba(255,255,255,.82);
      color:var(--primary-dark);
      border-radius:999px;
      font-size:13px;
      font-weight:700;
      box-shadow:var(--shadow-sm);
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 0 0 4px rgba(29,92,255,.10);
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .section-title{
      color:var(--ink);
      font-size:clamp(28px,3vw,42px);
      line-height:1.18;
      letter-spacing:-.03em;
      margin-top:14px;
      max-width:720px;
    }
    .section-desc{
      color:var(--muted);
      max-width:560px;
      font-size:16px;
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary);
      font-weight:800;
      transition:var(--ease);
      white-space:nowrap;
    }
    .text-link:hover{color:var(--primary-dark);transform:translateX(3px)}
    .text-link:focus-visible,.btn:focus-visible,.nav-link:focus-visible,.search-box input:focus-visible,.mobile-toggle:focus-visible{
      outline:3px solid rgba(29,92,255,.22);
      outline-offset:3px;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 20px;
      border-radius:999px;
      font-weight:800;
      letter-spacing:.01em;
      transition:var(--ease);
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 14px 34px rgba(29,92,255,.26);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 42px rgba(29,92,255,.32)}
    .btn-primary:active{transform:translateY(0);box-shadow:0 8px 20px rgba(29,92,255,.22)}
    .btn-secondary{
      color:var(--primary-dark);
      background:#fff;
      border-color:rgba(29,92,255,.18);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary:hover{background:var(--primary-soft);transform:translateY(-2px)}
    .btn-ghost{
      color:var(--deep);
      background:rgba(255,255,255,.78);
      border-color:rgba(255,255,255,.4);
    }
    .btn-ghost:hover{background:#fff;box-shadow:var(--shadow-sm)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-size:12px;
      font-weight:800;
      border:1px solid rgba(29,92,255,.14);
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(230,235,243,.86);
    }
    .promo-bar{
      background:linear-gradient(90deg,#0e2c78,#1d5cff 48%,#00a3ff);
      color:#fff;
      font-size:13px;
    }
    .promo-inner{
      height:36px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .promo-text{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
    }
    .promo-pill{
      padding:3px 8px;
      border-radius:999px;
      background:rgba(255,255,255,.18);
      border:1px solid rgba(255,255,255,.22);
      font-size:12px;
      font-weight:800;
      flex:0 0 auto;
    }
    .promo-note{
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
      opacity:.96;
    }
    .promo-actions{
      display:flex;
      gap:14px;
      flex:0 0 auto;
      font-weight:700;
    }
    .promo-actions a{opacity:.92;transition:var(--ease)}
    .promo-actions a:hover{opacity:1;text-decoration:underline;text-underline-offset:4px}

    .nav-main{
      height:74px;
      display:grid;
      grid-template-columns:auto 1fr auto auto;
      align-items:center;
      gap:22px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:10px;
      color:var(--ink);
      font-weight:900;
      letter-spacing:-.03em;
      font-size:23px;
    }
    .logo-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      background:
        linear-gradient(135deg,rgba(255,255,255,.22),transparent 42%),
        linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 12px 26px rgba(29,92,255,.24);
      font-size:15px;
      letter-spacing:-.06em;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      justify-self:start;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      font-weight:800;
      transition:var(--ease);
    }
    .nav-link:hover{color:var(--primary-dark);background:var(--primary-soft)}
    .nav-link.active{color:var(--primary);background:rgba(29,92,255,.10)}
    .search-box{
      width:min(330px, 28vw);
      height:46px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:0 14px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:999px;
      box-shadow:var(--shadow-sm);
    }
    .search-icon{color:var(--subtle);font-size:17px}
    .search-box input{
      width:100%;
      border:0;
      outline:0;
      color:var(--ink);
      background:transparent;
      min-width:0;
    }
    .search-box input::placeholder{color:#98a2b3}
    .nav-tools{
      display:flex;
      align-items:center;
      gap:9px;
    }
    .tool-btn{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:#fff;
      color:var(--deep);
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
      position:relative;
    }
    .tool-btn:hover{transform:translateY(-2px);color:var(--primary);border-color:rgba(29,92,255,.22)}
    .tool-btn .dot{
      position:absolute;
      right:8px;
      top:8px;
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--danger);
      border:2px solid #fff;
    }
    .mobile-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:15px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      color:var(--ink);
    }
    .mobile-drawer{
      display:none;
      border-top:1px solid var(--line);
      padding:14px 0 18px;
      background:rgba(255,255,255,.96);
    }
    .mobile-drawer.open{display:block}
    .mobile-drawer .nav-link{width:100%;justify-content:center;margin-bottom:8px}
    .mobile-drawer .search-box{width:100%;margin:10px 0 12px}

    .hero{
      padding:38px 0 78px;
    }
    .hero-stage{
      min-height:620px;
      border-radius:var(--radius-xl);
      overflow:hidden;
      position:relative;
      background:
        linear-gradient(90deg,rgba(11,25,61,.82),rgba(11,25,61,.38) 48%,rgba(29,92,255,.08)),
        radial-gradient(circle at 76% 26%,rgba(0,163,255,.52),transparent 28%),
        linear-gradient(135deg,#10245c 0%,#1d5cff 48%,#eaf4ff 100%);
      box-shadow:var(--shadow-lg);
      isolation:isolate;
    }
    .hero-stage::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg,rgba(255,255,255,.08) 25%,transparent 25%) 0 0 / 34px 34px,
        radial-gradient(circle at 17% 20%,rgba(255,255,255,.18),transparent 22%);
      opacity:.58;
      z-index:-2;
    }
    .hero-stage::after{
      content:"";
      position:absolute;
      right:-160px;
      bottom:-210px;
      width:620px;
      height:620px;
      border-radius:50%;
      background:rgba(255,255,255,.34);
      filter:blur(2px);
      z-index:-1;
    }
    .hero-content{
      padding:72px min(6vw,72px);
      max-width:860px;
      color:#fff;
    }
    .hero-kicker{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.22);
      backdrop-filter:blur(12px);
      font-size:13px;
      font-weight:800;
      margin-bottom:20px;
    }
    .hero h1{
      font-size:clamp(38px,6vw,72px);
      line-height:1.04;
      letter-spacing:-.06em;
      color:#fff;
      max-width:820px;
    }
    .hero-summary{
      margin-top:24px;
      max-width:720px;
      font-size:18px;
      color:rgba(255,255,255,.86);
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:32px;
    }
    .hero-data{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:14px;
      margin-top:42px;
      max-width:780px;
    }
    .hero-data-item{
      padding:17px 18px;
      border-radius:20px;
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.22);
      backdrop-filter:blur(14px);
    }
    .hero-data-item strong{
      display:block;
      font-size:24px;
      line-height:1;
      color:#fff;
      letter-spacing:-.04em;
      margin-bottom:8px;
    }
    .hero-data-item span{font-size:13px;color:rgba(255,255,255,.78)}
    .hero-panels{
      position:absolute;
      right:42px;
      bottom:38px;
      width:min(470px,38vw);
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .story-card{
      min-height:150px;
      padding:18px;
      border-radius:24px;
      background:rgba(255,255,255,.82);
      border:1px solid rgba(255,255,255,.64);
      box-shadow:0 18px 54px rgba(8,20,54,.20);
      backdrop-filter:blur(16px);
    }
    .story-card.large{
      grid-column:1 / -1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      min-height:118px;
    }
    .story-card b{
      display:block;
      color:var(--ink);
      font-size:18px;
      margin-bottom:7px;
    }
    .story-card p{
      color:var(--muted);
      font-size:13px;
      line-height:1.55;
    }
    .mini-chart{
      display:flex;
      align-items:flex-end;
      gap:6px;
      height:58px;
      flex:0 0 92px;
    }
    .mini-chart i{
      display:block;
      width:14px;
      border-radius:999px;
      background:linear-gradient(180deg,var(--secondary),var(--primary));
    }
    .mini-chart i:nth-child(1){height:28px}
    .mini-chart i:nth-child(2){height:42px}
    .mini-chart i:nth-child(3){height:34px}
    .mini-chart i:nth-child(4){height:55px}
    .mini-chart i:nth-child(5){height:48px}

    .brand-wall{
      margin-top:-36px;
      position:relative;
      z-index:2;
    }
    .brand-wall-inner{
      display:grid;
      grid-template-columns:auto 1fr auto;
      align-items:center;
      gap:20px;
      padding:18px 22px;
      border-radius:24px;
      background:rgba(255,255,255,.92);
      border:1px solid var(--line);
      box-shadow:var(--shadow-md);
      backdrop-filter:blur(18px);
    }
    .brand-wall-title{
      color:var(--ink);
      font-weight:900;
      white-space:nowrap;
    }
    .brand-tags{
      display:flex;
      gap:10px;
      overflow:auto;
      padding:4px 2px;
      scrollbar-width:none;
    }
    .brand-tags::-webkit-scrollbar{display:none}
    .brand-chip{
      flex:0 0 auto;
      padding:9px 13px;
      border-radius:999px;
      background:#f4f7fb;
      color:#465267;
      font-size:13px;
      font-weight:800;
      border:1px solid #e7edf6;
    }

    .seed-layout{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:28px;
      align-items:stretch;
    }
    .seed-intro{
      padding:30px;
      border-radius:var(--radius-lg);
      background:#fff;
      box-shadow:var(--shadow-sm);
      border:1px solid var(--line);
      position:relative;
      overflow:hidden;
    }
    .seed-intro::after{
      content:"";
      position:absolute;
      right:-70px;
      bottom:-90px;
      width:210px;
      height:210px;
      border-radius:50%;
      background:var(--primary-soft);
    }
    .series-nav{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
      position:relative;
      z-index:1;
    }
    .series-nav a{
      padding:10px 13px;
      border-radius:999px;
      background:#f7faff;
      border:1px solid var(--line);
      color:var(--primary-dark);
      font-weight:800;
      font-size:13px;
      transition:var(--ease);
    }
    .series-nav a:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
    .vertical-scroll{
      display:grid;
      grid-auto-flow:column;
      grid-auto-columns:minmax(214px,1fr);
      gap:16px;
      overflow-x:auto;
      padding:4px 4px 18px;
      scroll-snap-type:x mandatory;
    }
    .vertical-card{
      scroll-snap-align:start;
      min-height:430px;
      border-radius:30px;
      padding:18px;
      color:#fff;
      position:relative;
      overflow:hidden;
      box-shadow:var(--shadow-md);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      transition:var(--ease);
      background:linear-gradient(160deg,#163a9d,#4aa8ff);
    }
    .vertical-card:nth-child(2){background:linear-gradient(160deg,#0c4667,#26c6da)}
    .vertical-card:nth-child(3){background:linear-gradient(160deg,#1b2b5f,#7b61ff)}
    .vertical-card:nth-child(4){background:linear-gradient(160deg,#113f7a,#15b981)}
    .vertical-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 25% 18%,rgba(255,255,255,.32),transparent 22%),
        linear-gradient(180deg,transparent,rgba(0,0,0,.18));
      opacity:.9;
    }
    .vertical-card:hover{transform:translateY(-6px)}
    .vertical-card > *{position:relative}
    .vertical-card h3{font-size:22px;line-height:1.25;margin-top:14px;color:#fff}
    .vertical-card p{font-size:14px;color:rgba(255,255,255,.82);margin-top:10px}
    .vertical-card .fake-img{
      height:135px;
      border-radius:24px;
      background:rgba(255,255,255,.18);
      border:1px solid rgba(255,255,255,.2);
      display:grid;
      place-items:center;
      font-size:38px;
      font-weight:900;
      letter-spacing:-.08em;
    }

    .hot-area{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:24px;
      align-items:start;
    }
    .hot-feature{
      min-height:520px;
      padding:34px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(180deg,rgba(255,255,255,.9),rgba(255,255,255,.96)),
        radial-gradient(circle at 70% 0%,rgba(29,92,255,.18),transparent 32%);
      border:1px solid var(--line);
      box-shadow:var(--shadow-md);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .hot-feature h3{
      color:var(--ink);
      font-size:34px;
      line-height:1.14;
      letter-spacing:-.04em;
      margin:18px 0 14px;
    }
    .price-row{
      display:flex;
      align-items:end;
      gap:12px;
      margin:20px 0;
    }
    .price-row strong{font-size:46px;line-height:1;color:var(--primary);letter-spacing:-.05em}
    .price-row span{color:var(--muted);font-weight:700;margin-bottom:6px}
    .feature-list{
      display:grid;
      gap:12px;
      margin:22px 0 26px;
    }
    .feature-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#40506a;
    }
    .check{
      width:22px;
      height:22px;
      border-radius:50%;
      flex:0 0 auto;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--success);
      font-size:13px;
      margin-top:2px;
    }
    .hot-list{
      display:grid;
      gap:14px;
    }
    .rank-card{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:15px;
      align-items:center;
      padding:18px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .rank-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(29,92,255,.18)}
    .rank-no{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary);
      font-weight:900;
    }
    .rank-card h3{color:var(--ink);font-size:18px;margin-bottom:4px}
    .rank-card p{color:var(--muted);font-size:14px;line-height:1.5}
    .rank-action{
      padding:9px 12px;
      border-radius:999px;
      background:#f6f9ff;
      color:var(--primary-dark);
      border:1px solid var(--line);
      font-weight:800;
      transition:var(--ease);
      white-space:nowrap;
    }
    .rank-action:hover{background:var(--primary);color:#fff}

    .reviews{
      background:
        linear-gradient(180deg,rgba(234,241,255,.65),rgba(255,255,255,.4));
      border-top:1px solid rgba(230,235,243,.7);
      border-bottom:1px solid rgba(230,235,243,.7);
    }
    .review-grid{
      columns:3 280px;
      column-gap:18px;
    }
    .review-card{
      break-inside:avoid;
      display:inline-block;
      width:100%;
      margin:0 0 18px;
      padding:22px;
      border-radius:26px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .review-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
    .review-top{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
    }
    .avatar{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
    }
    .review-name{font-weight:900;color:var(--ink)}
    .review-role{font-size:13px;color:var(--subtle)}
    .stars{color:var(--accent);letter-spacing:1px;margin-bottom:10px}
    .review-card p{color:#4a5568;font-size:15px}
    .trust-strip{
      margin-top:28px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .trust-item{
      padding:18px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .trust-item strong{
      display:block;
      color:var(--ink);
      font-size:24px;
      letter-spacing:-.04em;
    }
    .trust-item span{color:var(--muted);font-size:13px}

    .news-layout{
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:28px;
      align-items:start;
    }
    .news-list{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .news-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:16px;
      align-items:center;
      padding:20px 22px;
      border-bottom:1px solid var(--line);
      transition:var(--ease);
    }
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:#f7faff}
    .news-date{
      min-width:76px;
      color:var(--primary);
      font-weight:900;
      font-size:14px;
    }
    .news-item h3{color:var(--ink);font-size:18px;margin-bottom:3px}
    .news-item p{color:var(--muted);font-size:14px}
    .news-arrow{
      width:36px;
      height:36px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary);
      transition:var(--ease);
    }
    .news-item:hover .news-arrow{background:var(--primary);color:#fff;transform:translateX(2px)}
    .recommend-panel{
      padding:26px;
      border-radius:var(--radius-lg);
      background:var(--deep);
      color:#fff;
      box-shadow:var(--shadow-lg);
      position:sticky;
      top:126px;
      overflow:hidden;
    }
    .recommend-panel::after{
      content:"";
      position:absolute;
      right:-60px;
      top:-60px;
      width:160px;
      height:160px;
      border-radius:50%;
      background:rgba(0,163,255,.28);
    }
    .recommend-panel h3{font-size:24px;line-height:1.25;margin:13px 0 10px;position:relative}
    .recommend-panel p{color:rgba(255,255,255,.72);position:relative}
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
      position:relative;
    }
    .tag-cloud a{
      padding:8px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.13);
      color:rgba(255,255,255,.88);
      font-size:13px;
      transition:var(--ease);
    }
    .tag-cloud a:hover{background:#fff;color:var(--deep)}

    .cart-guide{
      padding:42px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(29,92,255,.96),rgba(0,163,255,.86)),
        radial-gradient(circle at 80% 20%,rgba(255,255,255,.32),transparent 28%);
      color:#fff;
      box-shadow:var(--shadow-lg);
      display:grid;
      grid-template-columns:1fr .86fr;
      gap:34px;
      align-items:center;
      overflow:hidden;
      position:relative;
    }
    .cart-guide::before{
      content:"";
      position:absolute;
      left:42%;
      top:-120px;
      width:320px;
      height:320px;
      border-radius:50%;
      background:rgba(255,255,255,.16);
    }
    .cart-guide > *{position:relative}
    .cart-guide h2{
      font-size:clamp(30px,4vw,50px);
      line-height:1.12;
      letter-spacing:-.05em;
      color:#fff;
      margin:14px 0 16px;
    }
    .cart-guide p{color:rgba(255,255,255,.84);max-width:660px}
    .cart-steps{
      display:grid;
      gap:12px;
      margin-top:24px;
    }
    .cart-step{
      display:flex;
      gap:12px;
      align-items:center;
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.18);
    }
    .cart-step i{
      width:30px;
      height:30px;
      border-radius:12px;
      background:#fff;
      color:var(--primary);
      display:grid;
      place-items:center;
      font-weight:900;
      font-style:normal;
      flex:0 0 auto;
    }
    .member-box{
      padding:24px;
      border-radius:28px;
      background:rgba(255,255,255,.92);
      color:var(--text);
      border:1px solid rgba(255,255,255,.54);
      box-shadow:0 22px 54px rgba(8,20,54,.18);
    }
    .member-box h3{color:var(--ink);font-size:24px;margin-bottom:8px}
    .member-form{
      margin-top:18px;
      display:grid;
      gap:12px;
    }
    .member-form input{
      width:100%;
      height:50px;
      padding:0 16px;
      border-radius:16px;
      border:1px solid var(--line);
      outline:0;
      background:#fff;
      transition:var(--ease);
    }
    .member-form input:focus{border-color:rgba(29,92,255,.42);box-shadow:0 0 0 4px rgba(29,92,255,.12)}
    .form-note{
      color:var(--muted);
      font-size:13px;
      line-height:1.55;
    }

    .assurance-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .assurance-card{
      padding:26px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      transition:var(--ease);
    }
    .assurance-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
    .assurance-icon{
      width:52px;
      height:52px;
      border-radius:18px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      font-size:22px;
      margin-bottom:18px;
    }
    .assurance-card h3{color:var(--ink);font-size:20px;margin-bottom:9px}
    .assurance-card p{color:var(--muted);font-size:15px}
    .badge-list{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }

    .faq-wrap{
      display:grid;
      grid-template-columns:.75fr 1.25fr;
      gap:30px;
      align-items:start;
    }
    .faq-aside{
      padding:28px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
    }
    .faq-aside h2{
      color:var(--ink);
      font-size:34px;
      line-height:1.18;
      letter-spacing:-.04em;
      margin:14px 0 12px;
    }
    .faq-list{
      display:grid;
      gap:14px;
    }
    .faq-item{
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      display:flex;
      justify-content:space-between;
      gap:18px;
      padding:20px 22px;
      color:var(--ink);
      font-weight:900;
      text-align:left;
      transition:var(--ease);
    }
    .faq-question:hover{background:#f7faff;color:var(--primary-dark)}
    .faq-question span:last-child{
      width:28px;
      height:28px;
      border-radius:50%;
      background:var(--primary-soft);
      color:var(--primary);
      display:grid;
      place-items:center;
      flex:0 0 auto;
      transition:var(--ease);
    }
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);background:var(--primary);color:#fff}
    .faq-answer{
      display:none;
      padding:0 22px 22px;
      color:var(--muted);
    }
    .faq-item.open .faq-answer{display:block}

    .site-footer{
      background:var(--deep);
      color:rgba(255,255,255,.78);
      padding:64px 0 94px;
      margin-top:36px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1fr auto;
      gap:30px;
      align-items:start;
      padding-bottom:28px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:24px;
      font-weight:900;
      letter-spacing:-.03em;
      margin-bottom:14px;
    }
    .footer-brand .logo-mark{box-shadow:none}
    .footer-desc{max-width:650px;color:rgba(255,255,255,.70)}
    .footer-links{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .footer-links a{
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.10);
      transition:var(--ease);
    }
    .footer-links a:hover{background:#fff;color:var(--deep)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      flex-wrap:wrap;
      padding-top:24px;
      font-size:14px;
      color:rgba(255,255,255,.56);
    }

    .fixed-cta{
      position:fixed;
      left:50%;
      bottom:18px;
      transform:translateX(-50%);
      width:min(820px, calc(100% - 28px));
      z-index:45;
      padding:10px 12px 10px 18px;
      border-radius:999px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      background:rgba(255,255,255,.92);
      border:1px solid rgba(230,235,243,.9);
      box-shadow:0 16px 52px rgba(16,24,40,.18);
      backdrop-filter:blur(18px);
    }
    .fixed-cta-text{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
      color:var(--ink);
      font-weight:900;
    }
    .fixed-cta-text span:last-child{
      color:var(--muted);
      font-weight:700;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .fixed-cta .btn{min-height:42px;padding:10px 16px}

    @media (max-width:1024px){
      .nav-main{grid-template-columns:auto 1fr auto;gap:14px}
      .desktop-search,.nav-tools .desktop-cta{display:none}
      .nav-links{justify-self:end}
      .hero-stage{min-height:auto}
      .hero-content{padding:58px 42px 330px}
      .hero-panels{left:42px;right:42px;bottom:34px;width:auto}
      .seed-layout,.hot-area,.news-layout,.cart-guide,.faq-wrap{grid-template-columns:1fr}
      .recommend-panel{position:relative;top:auto}
      .trust-strip,.assurance-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:66px 0}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .promo-actions{display:none}
      .nav-main{height:66px;grid-template-columns:auto 1fr auto}
      .nav-links,.nav-tools{display:none}
      .mobile-toggle{display:grid;justify-self:end;place-items:center}
      .logo{font-size:21px}
      .hero{padding-top:22px}
      .hero-stage{border-radius:28px}
      .hero-content{padding:42px 24px 310px}
      .hero-summary{font-size:16px}
      .hero-data{grid-template-columns:1fr;gap:10px}
      .hero-panels{left:18px;right:18px;bottom:18px;grid-template-columns:1fr}
      .story-card:not(.large){display:none}
      .brand-wall-inner{grid-template-columns:1fr;gap:12px}
      .brand-wall-title{white-space:normal}
      .vertical-scroll{grid-auto-columns:78%}
      .hot-feature{min-height:auto;padding:26px}
      .rank-card{grid-template-columns:auto 1fr}
      .rank-action{grid-column:2}
      .news-item{grid-template-columns:1fr;gap:8px}
      .news-arrow{display:none}
      .cart-guide{padding:28px}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
      .fixed-cta{border-radius:24px;align-items:stretch;flex-direction:column}
      .fixed-cta-text{align-items:flex-start}
      .fixed-cta .btn{width:100%}
    }
    @media (max-width:520px){
      .promo-inner{height:34px}
      .promo-pill{display:none}
      .hero h1{font-size:36px}
      .hero-content{padding:34px 18px 292px}
      .hero-actions{display:grid}
      .btn{width:100%}
      .hero-panels{bottom:14px}
      .story-card.large{display:block}
      .mini-chart{margin-top:16px}
      .vertical-scroll{grid-auto-columns:88%}
      .trust-strip,.assurance-grid{grid-template-columns:1fr}
      .cart-step{align-items:flex-start}
      .section-title{font-size:28px}
      .faq-aside h2{font-size:28px}
      .footer-bottom{padding-bottom:20px}
    }