/* roulang page: index */
:root{
      --bg:#0f0d16;
      --bg-soft:#171421;
      --bg-card:#201b2d;
      --panel:#fffaf3;
      --panel-soft:#fff5e7;
      --text:#f8f3ea;
      --text-dark:#191522;
      --muted:#b8acbf;
      --muted-dark:#685f72;
      --primary:#ff6b3d;
      --primary-2:#ffb84d;
      --accent:#8d7cff;
      --success:#5ee2a0;
      --danger:#ff5e7a;
      --border:rgba(255,255,255,.12);
      --border-dark:rgba(25,21,34,.12);
      --radius-sm:12px;
      --radius:22px;
      --radius-lg:34px;
      --shadow:0 24px 70px rgba(0,0,0,.35);
      --shadow-soft:0 18px 50px rgba(31,22,9,.12);
      --container:1180px;
      --ease:all .28s cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 0%, rgba(255,107,61,.22), transparent 32%),
        radial-gradient(circle at 88% 12%, rgba(141,124,255,.20), transparent 30%),
        linear-gradient(180deg,#0f0d16 0%,#15111d 48%,#fffaf3 48%,#fffaf3 100%);
      line-height:1.7;
      overflow-x:hidden;
      padding-bottom:0;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--primary)}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(255,107,61,.35);color:#fff}
    .container-custom{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:86px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#2b2236;
      background:rgba(255,184,77,.20);
      border:1px solid rgba(255,184,77,.36);
      border-radius:999px;
      padding:7px 13px;
      font-size:13px;
      font-weight:700;
      letter-spacing:.04em;
    }
    .eyebrow.dark{color:#fff;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.14)}
    .section-title{
      margin:18px 0 12px;
      font-size:clamp(30px,4vw,52px);
      letter-spacing:-.06em;
      font-weight:900;
      line-height:1.12;
      color:var(--text-dark);
    }
    .section-desc{
      color:var(--muted-dark);
      font-size:17px;
      max-width:780px;
      margin:0;
    }
    .text-on-dark .section-title{color:#fff}
    .text-on-dark .section-desc{color:var(--muted)}
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      backdrop-filter:blur(18px);
      background:rgba(15,13,22,.76);
      border-bottom:1px solid var(--border);
    }
    .nav-shell{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
      min-height:76px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      letter-spacing:-.04em;
      color:#fff;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 14px 28px rgba(255,107,61,.25);
      flex:0 0 auto;
    }
    .brand span:last-child{
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:360px;
    }
    .nav-main{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:auto;
    }
    .nav-link-custom{
      color:rgba(255,255,255,.74);
      padding:10px 16px;
      border-radius:999px;
      font-size:15px;
      font-weight:700;
    }
    .nav-link-custom:hover,
    .nav-link-custom.active{
      color:#fff;
      background:rgba(255,255,255,.10);
    }
    .nav-search{
      display:flex;
      align-items:center;
      gap:8px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.07);
      border-radius:999px;
      padding:8px 12px;
      min-width:230px;
    }
    .nav-search input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:#fff;
      font-size:14px;
    }
    .nav-search input::placeholder{color:rgba(255,255,255,.46)}
    .btn-rou{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border:0;
      border-radius:999px;
      padding:13px 20px;
      font-weight:800;
      letter-spacing:-.02em;
      transition:var(--ease);
      cursor:pointer;
      white-space:nowrap;
    }
    .btn-rou:focus-visible,
    .nav-link-custom:focus-visible,
    .mobile-tab a:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible{
      outline:3px solid rgba(255,184,77,.55);
      outline-offset:3px;
    }
    .btn-primary-rou{
      color:#1b1110;
      background:linear-gradient(135deg,var(--primary-2),var(--primary));
      box-shadow:0 16px 34px rgba(255,107,61,.24);
    }
    .btn-primary-rou:hover{transform:translateY(-2px);color:#1b1110;box-shadow:0 22px 42px rgba(255,107,61,.34)}
    .btn-ghost-rou{
      color:#fff;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.15);
    }
    .btn-ghost-rou:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
    .btn-dark-rou{
      color:#fff;
      background:#191522;
      box-shadow:0 16px 34px rgba(25,21,34,.18);
    }
    .btn-dark-rou:hover{color:#fff;transform:translateY(-2px);background:#2a2137}
    .hero{
      padding:40px 0 86px;
      position:relative;
    }
    .flash-bar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:14px 18px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.14);
      background:linear-gradient(90deg,rgba(255,107,61,.18),rgba(141,124,255,.14));
      box-shadow:var(--shadow);
      margin:8px 0 28px;
    }
    .flash-left,.flash-timer{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
    .flash-badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,107,61,.96);
      color:#fff;
      font-size:13px;
      font-weight:900;
    }
    .timer-box{
      min-width:42px;
      padding:7px 9px;
      border-radius:10px;
      text-align:center;
      background:#fff;
      color:#191522;
      font-weight:900;
      line-height:1;
    }
    .hero-stage{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:26px;
      align-items:stretch;
    }
    .hero-copy{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      padding:52px;
      min-height:520px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.10),rgba(255,255,255,.04)),
        radial-gradient(circle at 90% 18%,rgba(255,184,77,.24),transparent 30%),
        #171421;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:var(--shadow);
    }
    .hero-copy:after{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      right:-90px;
      bottom:-90px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(255,107,61,.35),transparent 65%);
    }
    .hero h1{
      position:relative;
      z-index:1;
      font-size:clamp(42px,6.8vw,82px);
      line-height:.98;
      letter-spacing:-.08em;
      margin:20px 0 20px;
      font-weight:950;
      max-width:820px;
    }
    .hero-intro{
      position:relative;
      z-index:1;
      max-width:700px;
      color:var(--muted);
      font-size:18px;
      margin-bottom:28px;
    }
    .hero-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;margin-bottom:34px}
    .hero-data{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      max-width:720px;
    }
    .data-pill{
      border:1px solid rgba(255,255,255,.12);
      border-radius:18px;
      padding:16px;
      background:rgba(255,255,255,.06);
    }
    .data-pill strong{display:block;font-size:26px;line-height:1;color:#fff}
    .data-pill span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.62)}
    .product-card{
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:18px;
      border-radius:var(--radius-lg);
      padding:28px;
      background:linear-gradient(180deg,#fffaf3,#fff0dc);
      color:var(--text-dark);
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .product-card:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(25,21,34,.04) 1px,transparent 1px),
        linear-gradient(rgba(25,21,34,.04) 1px,transparent 1px);
      background-size:26px 26px;
      mask-image:linear-gradient(180deg,#000,transparent 70%);
    }
    .product-inner{position:relative;z-index:1}
    .deal-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;margin-bottom:22px}
    .deal-tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border-radius:999px;
      padding:8px 12px;
      background:#191522;
      color:#fff;
      font-size:13px;
      font-weight:800;
    }
    .deal-price{font-size:46px;font-weight:950;letter-spacing:-.06em;line-height:1}
    .deal-price small{font-size:15px;color:var(--muted-dark);font-weight:700;letter-spacing:0}
    .product-list{display:grid;gap:11px;margin:22px 0 26px;padding:0;list-style:none}
    .product-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:12px;
      border-radius:14px;
      background:rgba(255,255,255,.76);
      border:1px solid rgba(25,21,34,.08);
      color:#2a2137;
      font-size:15px;
    }
    .progress-wrap{
      padding:15px;
      border-radius:18px;
      background:rgba(25,21,34,.06);
      border:1px solid rgba(25,21,34,.08);
    }
    .progress-label{display:flex;justify-content:space-between;font-size:13px;font-weight:800;margin-bottom:10px;color:#332940}
    .progress{height:10px;border-radius:999px;background:rgba(25,21,34,.10);overflow:hidden}
    .progress-bar{background:linear-gradient(90deg,var(--primary),var(--primary-2));border-radius:999px}
    .panel-section{background:var(--panel);color:var(--text-dark)}
    .table-card{
      margin-top:34px;
      overflow:hidden;
      border-radius:var(--radius);
      background:#fff;
      border:1px solid var(--border-dark);
      box-shadow:var(--shadow-soft);
    }
    .comparison-table{width:100%;border-collapse:separate;border-spacing:0;margin:0}
    .comparison-table th,
    .comparison-table td{
      padding:20px 22px;
      border-bottom:1px solid rgba(25,21,34,.08);
      vertical-align:middle;
      color:#342b40;
    }
    .comparison-table th{
      background:#191522;
      color:#fff;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .comparison-table tr:last-child td{border-bottom:0}
    .comparison-table td:first-child{font-weight:900;color:#191522}
    .check{color:#18a76e}
    .minus{color:#9b90a6}
    .hot-cell{
      background:linear-gradient(180deg,rgba(255,184,77,.20),rgba(255,107,61,.08));
      font-weight:800;
    }
    .plans-grid{
      margin-top:34px;
      display:grid;
      grid-template-columns:.9fr 1.2fr .9fr;
      gap:18px;
      align-items:stretch;
    }
    .plan-card{
      position:relative;
      padding:26px;
      border-radius:var(--radius);
      background:#fff;
      color:var(--text-dark);
      border:1px solid rgba(25,21,34,.10);
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
      overflow:hidden;
    }
    .plan-card:hover{transform:translateY(-6px);box-shadow:0 26px 60px rgba(31,22,9,.18)}
    .plan-card.featured{
      background:#191522;
      color:#fff;
      border-color:rgba(255,184,77,.45);
      transform:translateY(-10px);
    }
    .plan-card.featured:hover{transform:translateY(-14px)}
    .plan-name{font-size:22px;font-weight:950;letter-spacing:-.04em;margin-bottom:8px}
    .plan-note{color:var(--muted-dark);min-height:52px}
    .featured .plan-note{color:rgba(255,255,255,.68)}
    .plan-price{font-size:42px;font-weight:950;letter-spacing:-.05em;margin:18px 0}
    .plan-price small{font-size:15px;font-weight:700;color:inherit;opacity:.7}
    .plan-features{list-style:none;padding:0;margin:18px 0 24px;display:grid;gap:10px}
    .plan-features li{display:flex;gap:9px;align-items:flex-start;font-size:15px}
    .benefit-strip{
      margin-top:28px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .benefit-card{
      background:rgba(255,255,255,.80);
      border:1px solid rgba(25,21,34,.09);
      border-radius:18px;
      padding:18px;
      transition:var(--ease);
    }
    .benefit-card:hover{transform:translateY(-4px);background:#fff}
    .benefit-card i{color:var(--primary);font-size:21px;margin-bottom:12px}
    .benefit-card strong{display:block;margin-bottom:7px;font-size:17px}
    .benefit-card p{margin:0;color:var(--muted-dark);font-size:14px}
    .matrix-wrap{
      background:#15121f;
      color:#fff;
      border-radius:var(--radius-lg);
      padding:34px;
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .matrix-wrap:before{
      content:"";
      position:absolute;
      width:400px;height:400px;
      right:-180px;top:-180px;
      background:radial-gradient(circle,rgba(141,124,255,.25),transparent 68%);
    }
    .service-matrix{
      position:relative;
      z-index:1;
      margin-top:28px;
      display:grid;
      grid-template-columns:repeat(12,1fr);
      gap:14px;
    }
    .matrix-card{
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.06);
      border-radius:20px;
      padding:22px;
      min-height:156px;
      transition:var(--ease);
    }
    .matrix-card:hover{transform:translateY(-5px);background:rgba(255,255,255,.10)}
    .matrix-card:nth-child(1){grid-column:span 5}
    .matrix-card:nth-child(2){grid-column:span 4}
    .matrix-card:nth-child(3){grid-column:span 3}
    .matrix-card:nth-child(4){grid-column:span 4}
    .matrix-card:nth-child(5){grid-column:span 5}
    .matrix-card:nth-child(6){grid-column:span 3}
    .matrix-icon{
      width:40px;height:40px;
      display:grid;place-items:center;
      border-radius:14px;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      margin-bottom:14px;
    }
    .matrix-card h3{font-size:20px;font-weight:900;margin:0 0 8px}
    .matrix-card p{margin:0;color:rgba(255,255,255,.66);font-size:15px}
    .news-layout{
      margin-top:34px;
      display:grid;
      grid-template-columns:1.35fr .65fr;
      gap:22px;
      align-items:start;
    }
    .news-list{
      background:#fff;
      border:1px solid var(--border-dark);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .news-item{
      display:grid;
      grid-template-columns:120px 1fr auto;
      gap:18px;
      align-items:center;
      padding:20px 22px;
      border-bottom:1px solid rgba(25,21,34,.08);
    }
    .news-item:last-child{border-bottom:0}
    .news-date{
      color:var(--primary);
      font-weight:950;
      letter-spacing:-.04em;
      font-size:18px;
    }
    .news-item a{
      color:#191522;
      font-weight:900;
      letter-spacing:-.02em;
      font-size:18px;
    }
    .news-item a:hover{color:var(--primary)}
    .news-item p{margin:6px 0 0;color:var(--muted-dark);font-size:14px}
    .arrow-chip{
      width:38px;height:38px;border-radius:50%;
      display:grid;place-items:center;
      background:#fff3e1;
      color:var(--primary);
    }
    .timeline-card{
      background:#191522;
      color:#fff;
      border-radius:var(--radius);
      padding:26px;
      box-shadow:var(--shadow);
    }
    .timeline{margin:22px 0 0;padding:0;list-style:none;position:relative}
    .timeline:before{
      content:"";
      position:absolute;left:12px;top:8px;bottom:8px;width:2px;
      background:rgba(255,255,255,.13);
    }
    .timeline li{
      position:relative;
      padding-left:38px;
      margin-bottom:22px;
    }
    .timeline li:last-child{margin-bottom:0}
    .timeline li:before{
      content:"";
      position:absolute;left:4px;top:4px;
      width:18px;height:18px;border-radius:50%;
      background:linear-gradient(135deg,var(--primary-2),var(--primary));
      box-shadow:0 0 0 6px rgba(255,107,61,.12);
    }
    .timeline strong{display:block;margin-bottom:4px}
    .timeline span{color:rgba(255,255,255,.64);font-size:14px}
    .review-grid{
      display:grid;
      grid-template-columns:.72fr 1.28fr;
      gap:22px;
      margin-top:34px;
    }
    .score-card{
      border-radius:var(--radius);
      background:linear-gradient(135deg,#191522,#2a2137);
      color:#fff;
      padding:30px;
      box-shadow:var(--shadow);
    }
    .score-number{font-size:70px;font-weight:950;line-height:1;letter-spacing:-.08em}
    .stars{color:var(--primary-2);letter-spacing:2px;margin:14px 0}
    .review-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .review-card{
      border-radius:20px;
      background:#fff;
      border:1px solid var(--border-dark);
      padding:22px;
      box-shadow:var(--shadow-soft);
    }
    .review-card p{color:#463b50;margin:0 0 14px;font-size:15px}
    .review-card strong{color:#191522}
    .cta-block{
      background:
        radial-gradient(circle at 12% 18%,rgba(255,184,77,.28),transparent 26%),
        radial-gradient(circle at 92% 30%,rgba(141,124,255,.24),transparent 26%),
        #15121f;
      color:#fff;
      border-radius:var(--radius-lg);
      padding:42px;
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .cta-grid{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:30px;
      align-items:start;
    }
    .form-card{
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.13);
      border-radius:var(--radius);
      padding:24px;
      backdrop-filter:blur(12px);
    }
    .form-control,.form-select{
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.92);
      border-radius:14px;
      padding:13px 14px;
      color:#191522;
      box-shadow:none!important;
    }
    .form-control:focus,.form-select:focus{
      border-color:var(--primary-2);
      box-shadow:0 0 0 .25rem rgba(255,184,77,.18)!important;
    }
    .form-label{font-weight:800;color:#fff}
    .form-text{color:rgba(255,255,255,.58)}
    .form-check-label{color:rgba(255,255,255,.78);font-size:14px}
    .faq-wrap{max-width:980px;margin:34px auto 0}
    .accordion-item{
      border:1px solid rgba(25,21,34,.10)!important;
      border-radius:18px!important;
      overflow:hidden;
      margin-bottom:14px;
      background:#fff;
      box-shadow:0 10px 30px rgba(31,22,9,.07);
    }
    .accordion-button{
      padding:20px 22px;
      font-weight:900;
      color:#191522;
      background:#fff;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      color:#191522;
      background:#fff4e5;
    }
    .accordion-button:focus{box-shadow:none;border-color:transparent}
    .accordion-body{color:#5b5165;padding:0 22px 22px}
    .site-footer{
      background:#0f0d16;
      color:#fff;
      padding:58px 0 32px;
      border-top:1px solid rgba(255,255,255,.10);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:26px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-size:20px;
      font-weight:950;
      letter-spacing:-.04em;
      margin-bottom:14px;
    }
    .footer-text{color:rgba(255,255,255,.62);max-width:680px;margin:0}
    .footer-links{
      display:flex;
      justify-content:flex-end;
      gap:12px;
      flex-wrap:wrap;
    }
    .footer-links a{
      padding:10px 13px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      color:rgba(255,255,255,.72);
      font-weight:700;
      font-size:14px;
    }
    .footer-links a:hover{background:rgba(255,255,255,.12);color:#fff}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.10);
      color:rgba(255,255,255,.48);
      font-size:14px;
    }
    .mobile-tab{
      display:none;
      position:fixed;
      left:14px;
      right:14px;
      bottom:14px;
      z-index:1200;
      border-radius:22px;
      background:rgba(15,13,22,.88);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(18px);
      box-shadow:0 20px 48px rgba(0,0,0,.38);
      padding:8px;
    }
    .mobile-tab a{
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:4px;
      min-height:54px;
      border-radius:16px;
      color:#fff;
      font-size:12px;
      font-weight:800;
      background:linear-gradient(135deg,rgba(255,184,77,.22),rgba(255,107,61,.16));
    }
    .mobile-tab i{font-size:17px;color:var(--primary-2)}
    .toast-note{
      position:fixed;
      right:20px;
      bottom:24px;
      z-index:1500;
      max-width:340px;
      padding:16px 18px;
      border-radius:18px;
      color:#1d1626;
      background:#fff;
      box-shadow:0 22px 60px rgba(0,0,0,.24);
      border:1px solid rgba(25,21,34,.08);
      display:none;
      font-weight:700;
    }
    @media (max-width:1024px){
      .nav-search{display:none}
      .hero-stage{grid-template-columns:1fr}
      .hero-copy{min-height:auto}
      .plans-grid{grid-template-columns:1fr}
      .plan-card.featured{transform:none}
      .benefit-strip{grid-template-columns:repeat(2,1fr)}
      .matrix-card:nth-child(n){grid-column:span 6}
      .news-layout,.review-grid,.cta-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:768px){
      body{padding-bottom:84px}
      .container-custom{width:min(100% - 28px,var(--container))}
      .section{padding:64px 0}
      .site-header{position:relative}
      .nav-shell{min-height:68px}
      .brand span:last-child{max-width:220px;font-size:15px}
      .nav-main{display:none}
      .hero{padding-top:22px}
      .flash-bar{border-radius:24px;align-items:flex-start;flex-direction:column}
      .hero-copy{padding:32px 24px;border-radius:26px}
      .hero-data{grid-template-columns:1fr}
      .product-card{padding:22px;border-radius:26px}
      .comparison-table th,.comparison-table td{padding:15px 14px;font-size:14px}
      .table-card{overflow-x:auto}
      .comparison-table{min-width:720px}
      .benefit-strip{grid-template-columns:1fr}
      .service-matrix{grid-template-columns:1fr}
      .matrix-card:nth-child(n){grid-column:span 1}
      .news-item{grid-template-columns:1fr;gap:8px}
      .arrow-chip{display:none}
      .review-list{grid-template-columns:1fr}
      .cta-block{padding:28px 20px;border-radius:26px}
      .mobile-tab{display:block}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }
    @media (max-width:520px){
      .hero h1{font-size:40px;letter-spacing:-.07em}
      .section-title{font-size:32px}
      .deal-head{flex-direction:column}
      .deal-price{font-size:38px}
      .btn-rou{width:100%;padding:13px 16px}
      .flash-timer{width:100%;justify-content:space-between}
      .timer-box{flex:1}
      .matrix-wrap{padding:24px 18px}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}