/* roulang page: index */
:root{
      --bg:#06111F;
      --bg2:#07182B;
      --bg3:#0B2038;
      --primary:#1E88FF;
      --cyan:#35E7FF;
      --violet:#7B61FF;
      --amber:#F6B44B;
      --text:#EAF3FF;
      --muted:#9FB4CC;
      --weak:#6F8298;
      --border:rgba(110,190,255,.18);
      --border-strong:rgba(110,190,255,.34);
      --card:rgba(12,31,54,.68);
      --card2:rgba(10,24,44,.82);
      --shadow:0 24px 80px rgba(0,0,0,.32);
      --glow:0 0 38px rgba(30,136,255,.32);
      --radius-xl:30px;
      --radius-lg:24px;
      --radius-md:18px;
      --container:1220px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      background:
        radial-gradient(circle at 15% 8%, rgba(30,136,255,.22), transparent 32%),
        radial-gradient(circle at 82% 12%, rgba(53,231,255,.16), transparent 28%),
        radial-gradient(circle at 56% 72%, rgba(123,97,255,.14), transparent 36%),
        linear-gradient(180deg,var(--bg),var(--bg2) 45%,#040B15 100%);
      color:var(--text);
      line-height:1.75;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(110,190,255,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(110,190,255,.055) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.7), transparent 78%);
      z-index:-2;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit;color:inherit}
    button{cursor:pointer;border:0;background:none}
    .container{width:min(var(--container), calc(100% - 64px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(5,14,28,.76);
      border-bottom:1px solid rgba(110,190,255,.14);
      backdrop-filter:blur(18px);
      box-shadow:0 10px 40px rgba(0,0,0,.22);
    }
    .nav{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      min-width:250px;
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      letter-spacing:-.03em;
      color:var(--text);
    }
    .brand-mark{
      width:40px;height:40px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(30,136,255,.95),rgba(53,231,255,.75));
      box-shadow:0 0 28px rgba(53,231,255,.25);
      border:1px solid rgba(255,255,255,.16);
      flex:0 0 auto;
    }
    .brand-mark svg{width:22px;height:22px}
    .brand-text{
      font-size:15px;
      max-width:260px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .nav-center{
      display:flex;
      align-items:center;
      gap:8px;
      padding:6px;
      border:1px solid rgba(110,190,255,.14);
      border-radius:999px;
      background:rgba(9,25,45,.55);
      backdrop-filter:blur(12px);
    }
    .nav-link{
      position:relative;
      padding:9px 15px;
      border-radius:999px;
      font-size:14px;
      font-weight:650;
      color:var(--muted);
      transition:.25s var(--ease);
      white-space:nowrap;
    }
    .nav-link:hover,.nav-link.active{
      color:var(--text);
      background:rgba(30,136,255,.16);
      box-shadow:inset 0 0 0 1px rgba(53,231,255,.16);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:330px;
      justify-content:flex-end;
    }
    .search{
      height:42px;
      width:190px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid rgba(110,190,255,.18);
      background:rgba(6,17,31,.72);
      color:var(--muted);
      transition:.25s var(--ease);
    }
    .search:focus-within{
      border-color:rgba(53,231,255,.72);
      box-shadow:0 0 0 4px rgba(53,231,255,.08);
    }
    .search input{
      width:100%;
      min-width:0;
      border:0;
      outline:0;
      background:transparent;
      color:var(--text);
      font-size:13px;
    }
    .search input::placeholder{color:var(--weak)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:11px 18px;
      border-radius:999px;
      font-weight:750;
      font-size:14px;
      transition:.25s var(--ease);
      border:1px solid rgba(110,190,255,.18);
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn:focus-visible,.nav-link:focus-visible,.menu-toggle:focus-visible,.faq-q:focus-visible{
      outline:3px solid rgba(53,231,255,.45);
      outline-offset:3px;
    }
    .btn-ghost{background:rgba(12,31,54,.62);color:var(--text)}
    .btn-ghost:hover{border-color:rgba(53,231,255,.45);box-shadow:0 12px 30px rgba(0,0,0,.24)}
    .btn-primary{
      border-color:transparent;
      color:#03111F;
      background:linear-gradient(135deg,var(--primary),var(--cyan));
      box-shadow:0 14px 36px rgba(30,136,255,.35), inset 0 1px 0 rgba(255,255,255,.35);
    }
    .btn-primary:hover{box-shadow:0 18px 48px rgba(53,231,255,.34), inset 0 1px 0 rgba(255,255,255,.42)}
    .btn-violet{
      color:var(--text);
      border-color:rgba(123,97,255,.28);
      background:linear-gradient(135deg,rgba(30,136,255,.9),rgba(123,97,255,.92));
      box-shadow:0 14px 36px rgba(123,97,255,.28);
    }
    .menu-toggle{display:none;width:42px;height:42px;border-radius:14px;border:1px solid var(--border);background:rgba(12,31,54,.68);color:var(--text)}
    .hero{
      position:relative;
      padding:74px 0 56px;
    }
    .hero:after{
      content:"";
      position:absolute;
      right:-90px;top:56px;
      width:360px;height:360px;
      background:radial-gradient(circle,rgba(53,231,255,.18),transparent 68%);
      filter:blur(8px);
      pointer-events:none;
    }
    .hero-panel{
      position:relative;
      overflow:hidden;
      padding:28px;
      border-radius:34px;
      border:1px solid rgba(110,190,255,.22);
      background:linear-gradient(135deg,rgba(12,31,54,.74),rgba(7,24,43,.58));
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 8% 18%,rgba(30,136,255,.22),transparent 30%),
        linear-gradient(135deg,rgba(255,255,255,.06),transparent 36%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.02fr 1.28fr;
      gap:28px;
      align-items:stretch;
    }
    .hero-copy{
      padding:20px 4px 18px 12px;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }
    .eyebrow{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:18px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      font-size:12px;
      font-weight:750;
      letter-spacing:.02em;
      color:#BFEFFF;
      background:rgba(30,136,255,.13);
      border:1px solid rgba(53,231,255,.2);
    }
    .badge-amber{color:#FFE3AD;background:rgba(246,180,75,.1);border-color:rgba(246,180,75,.28)}
    h1{
      max-width:640px;
      font-size:clamp(34px,4.7vw,58px);
      line-height:1.1;
      font-weight:850;
      letter-spacing:-.055em;
      margin-bottom:20px;
    }
    .grad{
      background:linear-gradient(135deg,#FFFFFF 0%,#9ADFFF 42%,#7B61FF 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-desc{
      max-width:610px;
      color:var(--muted);
      font-size:16px;
      line-height:1.82;
      margin-bottom:24px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
    .hero-points{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      max-width:610px;
    }
    .point{
      padding:13px 14px;
      border-radius:18px;
      background:rgba(6,17,31,.45);
      border:1px solid rgba(110,190,255,.14);
    }
    .point strong{display:block;font-size:20px;line-height:1.1;color:#DFF7FF}
    .point span{display:block;margin-top:5px;font-size:12px;color:var(--weak)}
    .pricing-stage{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:16px;
      align-items:center;
    }
    .plan-card{
      position:relative;
      min-height:360px;
      padding:22px;
      border-radius:28px;
      background:rgba(8,23,42,.72);
      border:1px solid rgba(110,190,255,.18);
      box-shadow:0 18px 60px rgba(0,0,0,.24);
      backdrop-filter:blur(16px);
      transition:.28s var(--ease);
      display:flex;
      flex-direction:column;
    }
    .plan-card:hover{transform:translateY(-4px);border-color:rgba(53,231,255,.42);background:rgba(12,31,54,.82)}
    .plan-card.recommend{
      min-height:410px;
      background:linear-gradient(180deg,rgba(30,136,255,.22),rgba(12,31,54,.82));
      border-color:rgba(53,231,255,.48);
      box-shadow:0 20px 80px rgba(30,136,255,.25);
      z-index:2;
    }
    .corner{
      position:absolute;top:14px;right:14px;
      padding:5px 10px;border-radius:999px;
      background:linear-gradient(135deg,var(--primary),var(--violet));
      color:#fff;font-size:12px;font-weight:800;
      box-shadow:0 10px 30px rgba(123,97,255,.28);
    }
    .plan-name{font-size:18px;font-weight:850;margin-bottom:8px}
    .plan-desc{font-size:13px;color:var(--muted);min-height:68px}
    .plan-price{margin:18px 0;color:#DFF7FF}
    .plan-price b{font-size:34px;letter-spacing:-.04em}
    .plan-price span{font-size:13px;color:var(--weak)}
    .plan-list{display:grid;gap:10px;margin:8px 0 20px;list-style:none;color:var(--muted);font-size:13px}
    .plan-list li{display:flex;gap:8px}
    .plan-list li:before{content:"✓";color:var(--cyan);font-weight:900}
    .plan-card .btn{margin-top:auto;width:100%}
    main section{padding:74px 0}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .section-kicker{color:var(--cyan);font-size:13px;font-weight:850;letter-spacing:.08em;margin-bottom:8px}
    h2{font-size:clamp(26px,3vw,38px);line-height:1.18;letter-spacing:-.04em;font-weight:850}
    .section-head p,.section-note{max-width:640px;color:var(--muted);font-size:15px}
    .glass{
      border:1px solid var(--border);
      background:var(--card);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
    }
    .benefit-wrap{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:24px;
    }
    .benefit-index{
      padding:24px;
      display:grid;
      gap:14px;
      align-content:start;
    }
    .index-item{
      padding:16px;
      border-radius:20px;
      border:1px solid rgba(110,190,255,.14);
      background:rgba(6,17,31,.42);
      transition:.25s var(--ease);
    }
    .index-item:hover{transform:translateX(4px);border-color:rgba(53,231,255,.38)}
    .index-item strong{display:block;margin-bottom:5px;color:#EAF3FF}
    .index-item span{display:block;color:var(--muted);font-size:13px;line-height:1.65}
    .benefit-cards{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .feature-card{
      padding:22px;
      border-radius:24px;
      border:1px solid rgba(110,190,255,.17);
      background:linear-gradient(180deg,rgba(12,31,54,.72),rgba(8,23,42,.56));
      transition:.25s var(--ease);
      min-height:196px;
    }
    .feature-card:nth-child(2){transform:translateY(24px)}
    .feature-card:nth-child(3){transform:translateY(-8px)}
    .feature-card:hover{transform:translateY(-5px);border-color:rgba(53,231,255,.4);box-shadow:0 18px 54px rgba(0,0,0,.28)}
    .feature-card:nth-child(2):hover,.feature-card:nth-child(3):hover{transform:translateY(-5px)}
    .icon{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      margin-bottom:14px;
      background:rgba(30,136,255,.16);
      border:1px solid rgba(53,231,255,.18);
      color:var(--cyan);
      font-size:20px;
    }
    .feature-card h3,.case-card h3,.safety-card h3{font-size:20px;line-height:1.3;margin-bottom:9px}
    .feature-card p,.case-card p,.safety-card p{color:var(--muted);font-size:14px;line-height:1.75}
    .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px}
    .tag{
      display:inline-flex;
      padding:5px 9px;
      border-radius:999px;
      font-size:12px;
      color:#BFEFFF;
      background:rgba(53,231,255,.08);
      border:1px solid rgba(53,231,255,.14);
    }
    .qualification{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:24px;
    }
    .rule-card{padding:26px}
    .rule-list{list-style:none;display:grid;gap:14px;margin-top:16px}
    .rule-list li{
      display:grid;
      grid-template-columns:34px 1fr;
      gap:12px;
      align-items:start;
      padding:14px;
      border-radius:18px;
      background:rgba(6,17,31,.36);
      border:1px solid rgba(110,190,255,.12);
    }
    .rule-num{
      width:34px;height:34px;border-radius:12px;
      display:grid;place-items:center;
      color:#04111F;
      font-weight:900;
      background:linear-gradient(135deg,var(--cyan),#BCEEFF);
    }
    .rule-list strong{display:block;margin-bottom:3px}
    .rule-list span{display:block;color:var(--muted);font-size:13px;line-height:1.68}
    .notice-box{
      padding:26px;
      border-radius:24px;
      border:1px solid rgba(246,180,75,.28);
      background:linear-gradient(180deg,rgba(246,180,75,.12),rgba(12,31,54,.58));
    }
    .notice-box h3{font-size:22px;margin-bottom:12px;color:#FFE2AD}
    .notice-box p{color:var(--muted);font-size:14px}
    .notice-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
    .notice-pills span{font-size:12px;color:#FFE2AD;border:1px solid rgba(246,180,75,.24);background:rgba(246,180,75,.08);border-radius:999px;padding:7px 10px}
    .info-layout{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:24px;
    }
    .news-list{padding:10px}
    .news-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:14px;
      align-items:center;
      padding:18px;
      border-radius:20px;
      border:1px solid transparent;
      transition:.24s var(--ease);
    }
    .news-item:hover{background:rgba(30,136,255,.1);border-color:rgba(53,231,255,.18);transform:translateX(4px)}
    .news-index{
      width:38px;height:38px;border-radius:14px;
      display:grid;place-items:center;
      background:rgba(30,136,255,.14);
      color:#BFEFFF;
      font-weight:900;
    }
    .news-item h3{font-size:17px;line-height:1.38;margin-bottom:3px}
    .news-item p{font-size:13px;color:var(--muted);line-height:1.58}
    .news-arrow{color:var(--cyan);font-size:20px}
    .recommend-box{padding:24px;position:relative;overflow:hidden}
    .recommend-box:before{
      content:"";
      position:absolute;right:-80px;top:-80px;width:180px;height:180px;border-radius:50%;
      background:rgba(123,97,255,.2);filter:blur(8px);
    }
    .recommend-box h3{font-size:22px;margin-bottom:12px;position:relative}
    .recommend-box p{color:var(--muted);font-size:14px;position:relative}
    .mini-metric{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:20px;
      position:relative;
    }
    .mini-metric div{padding:14px;border-radius:18px;background:rgba(6,17,31,.48);border:1px solid rgba(110,190,255,.13)}
    .mini-metric b{display:block;font-size:24px;color:#DFF7FF}
    .mini-metric span{font-size:12px;color:var(--weak)}
    .safety-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:18px;
    }
    .safety-card{padding:22px;transition:.25s var(--ease)}
    .safety-card:hover{transform:translateY(-4px);border-color:rgba(53,231,255,.38)}
    .timeline{
      padding:28px;
      display:grid;
      gap:0;
    }
    .time-row{
      display:grid;
      grid-template-columns:150px 1fr auto;
      gap:22px;
      padding:20px 0;
      border-bottom:1px solid rgba(110,190,255,.13);
      align-items:center;
    }
    .time-row:last-child{border-bottom:0}
    .time{font-weight:900;color:#BFEFFF}
    .time-content h3{font-size:18px;margin-bottom:4px}
    .time-content p{font-size:14px;color:var(--muted)}
    .time-action{font-size:13px;color:var(--cyan);font-weight:800}
    .case-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:24px;
    }
    .case-card{padding:26px;position:relative;overflow:hidden}
    .case-card.large{
      min-height:310px;
      background:
        linear-gradient(135deg,rgba(30,136,255,.2),rgba(12,31,54,.7)),
        var(--card);
    }
    .case-tags{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}
    .quote{
      margin-top:18px;
      padding:18px;
      border-radius:20px;
      background:rgba(6,17,31,.46);
      border:1px solid rgba(110,190,255,.13);
      color:#D9ECFF;
      font-size:15px;
    }
    .case-stack{display:grid;gap:18px}
    .faq-grid{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:24px;
      align-items:start;
    }
    .faq-side{padding:26px;position:sticky;top:98px}
    .faq-side p{color:var(--muted);font-size:14px;margin-top:12px}
    .faq-list{display:grid;gap:14px}
    .faq-item{
      border-radius:22px;
      border:1px solid rgba(110,190,255,.16);
      background:rgba(12,31,54,.58);
      overflow:hidden;
      transition:.25s var(--ease);
    }
    .faq-item:hover{border-color:rgba(53,231,255,.32)}
    .faq-q{
      width:100%;
      text-align:left;
      padding:18px 20px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      color:var(--text);
      font-weight:800;
    }
    .faq-q span:last-child{color:var(--cyan);font-size:22px;transition:.25s var(--ease)}
    .faq-a{
      display:none;
      padding:0 20px 20px;
      color:var(--muted);
      font-size:14px;
      line-height:1.78;
    }
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .form-section{padding-bottom:96px}
    .contact-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:stretch;
    }
    .cta-card{
      padding:30px;
      border-radius:30px;
      background:
        radial-gradient(circle at 20% 0%,rgba(53,231,255,.18),transparent 38%),
        linear-gradient(145deg,rgba(30,136,255,.18),rgba(12,31,54,.72));
      border:1px solid rgba(53,231,255,.24);
      box-shadow:var(--shadow);
    }
    .cta-card h2{margin-bottom:14px}
    .cta-card p{color:var(--muted);font-size:15px}
    .cta-list{list-style:none;margin-top:22px;display:grid;gap:12px}
    .cta-list li{display:flex;gap:10px;color:#DDEEFF;font-size:14px}
    .cta-list li:before{content:"◆";color:var(--cyan);font-size:12px;margin-top:4px}
    .contact-form{padding:26px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .field{display:grid;gap:8px}
    .field.full{grid-column:1/-1}
    .field label{font-size:13px;color:#C7E7FF;font-weight:750}
    .field input,.field select,.field textarea{
      width:100%;
      border:1px solid rgba(110,190,255,.18);
      background:rgba(6,17,31,.62);
      border-radius:16px;
      min-height:48px;
      padding:12px 14px;
      outline:0;
      color:var(--text);
      transition:.24s var(--ease);
    }
    .field textarea{min-height:118px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:rgba(53,231,255,.72);
      box-shadow:0 0 0 4px rgba(53,231,255,.08);
    }
    .form-tip{
      margin:14px 0 18px;
      color:var(--weak);
      font-size:12px;
      line-height:1.65;
    }
    .form-status{margin-top:12px;color:#BFEFFF;font-size:13px;min-height:22px}
    .site-footer{
      border-top:1px solid rgba(110,190,255,.14);
      background:rgba(3,10,19,.72);
      padding:34px 0;
    }
    .footer-inner{
      display:flex;
      justify-content:space-between;
      gap:28px;
      align-items:flex-start;
    }
    .footer-brand{display:flex;gap:12px;align-items:center;font-weight:850;margin-bottom:10px}
    .footer-brand .brand-mark{width:36px;height:36px;border-radius:12px}
    .footer-text{max-width:620px;color:var(--muted);font-size:13px;line-height:1.75}
    .footer-links{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
    .footer-links a{
      padding:8px 12px;border-radius:999px;
      color:var(--muted);
      background:rgba(12,31,54,.48);
      border:1px solid rgba(110,190,255,.12);
      font-size:13px;
      transition:.24s var(--ease);
    }
    .footer-links a:hover{color:var(--text);border-color:rgba(53,231,255,.34)}
    .copyright{margin-top:18px;color:var(--weak);font-size:12px}
    .floating-cta{
      position:fixed;
      left:50%;
      bottom:18px;
      transform:translateX(-50%);
      z-index:45;
      display:flex;
      align-items:center;
      gap:12px;
      padding:10px 12px 10px 18px;
      border-radius:999px;
      border:1px solid rgba(53,231,255,.24);
      background:rgba(5,14,28,.82);
      backdrop-filter:blur(18px);
      box-shadow:0 18px 60px rgba(0,0,0,.35);
    }
    .floating-cta span{color:#CFEAFF;font-size:13px;white-space:nowrap}
    @media (max-width:1120px){
      .brand{min-width:auto}.brand-text{max-width:190px}
      .nav-actions{min-width:auto}.search{width:150px}
      .hero-grid,.pricing-stage,.benefit-wrap,.qualification,.info-layout,.case-grid,.faq-grid,.contact-wrap{grid-template-columns:1fr}
      .pricing-stage{align-items:stretch}
      .plan-card,.plan-card.recommend{min-height:auto}
      .plan-card.recommend{order:-1}
      .faq-side{position:static}
      .safety-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:860px){
      .container{width:min(100% - 40px,var(--container))}
      .nav{height:auto;min-height:68px;flex-wrap:wrap;padding:12px 0}
      .nav-center{
        order:3;
        width:100%;
        overflow-x:auto;
        justify-content:flex-start;
        scrollbar-width:none;
      }
      .nav-center::-webkit-scrollbar{display:none}
      .search{display:none}
      .hero{padding-top:42px}
      .hero-panel{padding:20px}
      .hero-copy{padding:8px 2px}
      .hero-points,.benefit-cards,.form-grid{grid-template-columns:1fr}
      .feature-card:nth-child(2),.feature-card:nth-child(3){transform:none}
      main section{padding:58px 0}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .time-row{grid-template-columns:1fr;gap:8px}
      .footer-inner{display:block}
      .footer-links{justify-content:flex-start;margin-top:18px}
      .floating-cta{width:calc(100% - 32px);justify-content:space-between}
      .floating-cta span{white-space:normal}
    }
    @media (max-width:560px){
      .container{width:min(100% - 32px,var(--container))}
      .brand-text{max-width:150px;font-size:13px}
      .nav-actions .btn-ghost{display:none}
      .menu-toggle{display:inline-grid;place-items:center}
      .nav-center{
        display:none;
        border-radius:22px;
        padding:10px;
      }
      .nav-center.show{display:flex}
      .btn{padding:10px 14px;font-size:13px;min-height:42px}
      .hero-panel{border-radius:26px}
      .pricing-stage{gap:12px}
      .plan-card{padding:18px;border-radius:22px}
      .safety-grid{grid-template-columns:1fr}
      .news-item{grid-template-columns:1fr;gap:8px}
      .news-arrow{display:none}
      .mini-metric{grid-template-columns:1fr}
      .floating-cta{display:none}
    }

/* roulang page: category1 */
:root{
      --bg:#06111F;
      --bg-2:#07182B;
      --bg-3:#0B2038;
      --card:rgba(12,31,54,.68);
      --card-strong:rgba(15,42,72,.86);
      --line:rgba(110,190,255,.18);
      --line-strong:rgba(53,231,255,.34);
      --primary:#1E88FF;
      --cyan:#35E7FF;
      --violet:#7B61FF;
      --amber:#F6B44B;
      --text:#EAF3FF;
      --muted:#9FB4CC;
      --weak:#6F8298;
      --shadow:0 24px 80px rgba(0,0,0,.32);
      --glow:0 0 38px rgba(30,136,255,.35);
      --radius-xl:30px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:14px;
      --container:1220px;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(30,136,255,.24), transparent 28%),
        radial-gradient(circle at 78% 10%, rgba(123,97,255,.22), transparent 32%),
        radial-gradient(circle at 55% 76%, rgba(53,231,255,.12), transparent 34%),
        linear-gradient(180deg,var(--bg),var(--bg-2) 52%,#050D18);
      line-height:1.75;
      overflow-x:hidden;
      min-height:100vh;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(110,190,255,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(110,190,255,.055) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.85), transparent 78%);
      z-index:-2;
    }
    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    input,textarea{outline:none}
    ::selection{background:rgba(53,231,255,.28);color:#fff}
    .container{width:min(100% - 64px,var(--container));margin-inline:auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(5,14,28,.76);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(110,190,255,.14);
      box-shadow:0 18px 55px rgba(0,0,0,.24);
    }
    .header-inner{
      min-height:76px;
      display:flex;
      align-items:center;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:260px;
      font-weight:800;
      letter-spacing:-.03em;
      color:#fff;
    }
    .brand-mark{
      width:38px;
      height:38px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      border-radius:14px;
      background:linear-gradient(135deg,var(--primary),var(--cyan));
      box-shadow:0 12px 34px rgba(30,136,255,.38);
    }
    .brand-mark svg{width:22px;height:22px}
    .brand-text{
      max-width:300px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
      font-size:16px;
    }
    .nav-center{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      flex:1;
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      height:38px;
      padding:0 15px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:650;
      transition:color .22s ease, background .22s ease, box-shadow .22s ease, transform .22s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      color:#fff;
      background:rgba(53,231,255,.08);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(30,136,255,.34),rgba(123,97,255,.28));
      box-shadow:inset 0 0 0 1px rgba(53,231,255,.22),0 0 22px rgba(30,136,255,.22);
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:370px;
      justify-content:flex-end;
    }
    .search-box{
      position:relative;
      width:210px;
    }
    .search-box input{
      width:100%;
      height:40px;
      padding:0 14px 0 38px;
      border-radius:999px;
      border:1px solid rgba(110,190,255,.18);
      background:rgba(10,26,46,.72);
      color:var(--text);
      transition:border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }
    .search-box input::placeholder{color:var(--weak);font-size:13px}
    .search-box input:focus{
      border-color:rgba(53,231,255,.76);
      box-shadow:0 0 0 4px rgba(53,231,255,.12);
      background:rgba(12,31,54,.9);
    }
    .search-icon{
      position:absolute;
      left:14px;
      top:50%;
      transform:translateY(-50%);
      width:15px;
      height:15px;
      opacity:.72;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:42px;
      padding:0 18px;
      border-radius:999px;
      font-size:14px;
      font-weight:750;
      color:#fff;
      border:1px solid transparent;
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn:focus-visible,.nav-link:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{
      outline:2px solid rgba(53,231,255,.82);
      outline-offset:3px;
    }
    .btn-ghost{
      background:rgba(12,31,54,.62);
      border-color:rgba(110,190,255,.2);
      color:var(--text);
    }
    .btn-ghost:hover{
      border-color:rgba(53,231,255,.44);
      box-shadow:0 10px 28px rgba(0,0,0,.2);
      background:rgba(18,44,75,.75);
    }
    .btn-glow{
      background:linear-gradient(135deg,var(--primary),var(--cyan));
      box-shadow:var(--glow);
      color:#03111f;
    }
    .btn-glow:hover{box-shadow:0 0 48px rgba(53,231,255,.38),0 18px 45px rgba(30,136,255,.26)}
    .menu-toggle{
      display:none;
      width:42px;
      height:42px;
      border-radius:14px;
      background:rgba(12,31,54,.82);
      border:1px solid rgba(110,190,255,.18);
      color:#fff;
    }
    .menu-toggle span{
      display:block;
      width:18px;
      height:2px;
      margin:4px auto;
      background:#fff;
      border-radius:999px;
    }
    .hero{
      position:relative;
      padding:82px 0 92px;
    }
    .hero::after{
      content:"";
      position:absolute;
      right:-120px;
      top:70px;
      width:320px;
      height:320px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(53,231,255,.22),transparent 66%);
      filter:blur(4px);
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(420px,.98fr);
      gap:42px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 13px;
      border:1px solid rgba(53,231,255,.24);
      border-radius:999px;
      background:rgba(53,231,255,.075);
      color:#BDEFFF;
      font-size:13px;
      font-weight:700;
      margin-bottom:18px;
    }
    .dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 18px rgba(53,231,255,.8);
    }
    h1{
      max-width:740px;
      font-size:clamp(34px,4.5vw,58px);
      line-height:1.12;
      font-weight:850;
      letter-spacing:-.055em;
      margin-bottom:22px;
    }
    .gradient-text{
      background:linear-gradient(135deg,#fff 8%,#9FD8FF 42%,#35E7FF 72%,#7B61FF);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-sub{
      max-width:690px;
      color:var(--muted);
      font-size:17px;
      line-height:1.85;
      margin-bottom:28px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:18px}
    .notice{
      display:flex;
      gap:10px;
      align-items:flex-start;
      max-width:650px;
      color:#D8B986;
      font-size:13px;
      line-height:1.65;
    }
    .notice b{
      color:var(--amber);
      flex:0 0 auto;
    }
    .coupon-wall{
      position:relative;
      padding:18px;
      border-radius:var(--radius-xl);
      background:linear-gradient(160deg,rgba(18,46,78,.78),rgba(8,22,40,.7));
      border:1px solid rgba(110,190,255,.2);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
      overflow:hidden;
    }
    .coupon-wall::before{
      content:"";
      position:absolute;
      inset:-1px;
      background:radial-gradient(circle at 70% 15%,rgba(53,231,255,.24),transparent 35%),radial-gradient(circle at 15% 85%,rgba(123,97,255,.18),transparent 42%);
      pointer-events:none;
    }
    .coupon-head,.coupon-main,.coupon-row,.coupon-progress{position:relative}
    .coupon-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      margin-bottom:16px;
    }
    .coupon-head strong{font-size:18px}
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 11px;
      border-radius:999px;
      color:#D7F8FF;
      background:rgba(53,231,255,.1);
      border:1px solid rgba(53,231,255,.24);
      font-size:12px;
      font-weight:700;
    }
    .coupon-main{
      min-height:230px;
      padding:28px;
      border-radius:26px;
      background:
        linear-gradient(135deg,rgba(30,136,255,.26),rgba(53,231,255,.12) 50%,rgba(123,97,255,.22)),
        rgba(9,24,43,.82);
      border:1px solid rgba(53,231,255,.3);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.04),0 20px 58px rgba(0,0,0,.25);
    }
    .coupon-main::after{
      content:"";
      position:absolute;
      right:118px;
      top:-13px;
      bottom:-13px;
      width:1px;
      background:linear-gradient(to bottom,transparent,rgba(234,243,255,.34),transparent);
      opacity:.65;
    }
    .coupon-label{
      display:inline-flex;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.14);
      font-size:12px;
      color:#DFF9FF;
      margin-bottom:18px;
    }
    .coupon-value{
      font-size:46px;
      line-height:1;
      font-weight:900;
      letter-spacing:-.04em;
      margin-bottom:12px;
    }
    .coupon-value small{
      font-size:18px;
      color:var(--muted);
      font-weight:700;
    }
    .coupon-main p{
      max-width:310px;
      color:#C8D8EA;
      font-size:14px;
      line-height:1.7;
    }
    .coupon-btn{
      position:absolute;
      right:22px;
      top:50%;
      transform:translateY(-50%);
      width:86px;
      height:86px;
      border-radius:50%;
      background:linear-gradient(135deg,#fff,#BDEFFF);
      color:#06213a;
      font-weight:900;
      box-shadow:0 16px 46px rgba(53,231,255,.28);
      transition:transform .22s ease, box-shadow .22s ease;
    }
    .coupon-btn:hover{transform:translateY(-52%) scale(1.04);box-shadow:0 20px 58px rgba(53,231,255,.42)}
    .coupon-row{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      margin-top:14px;
    }
    .mini-coupon{
      padding:16px;
      border-radius:20px;
      background:rgba(7,20,37,.7);
      border:1px solid rgba(110,190,255,.16);
    }
    .mini-coupon span{display:block;color:var(--cyan);font-size:12px;font-weight:800;margin-bottom:6px}
    .mini-coupon b{font-size:16px}
    .coupon-progress{
      margin-top:14px;
      padding:14px 16px;
      border-radius:18px;
      background:rgba(5,15,29,.7);
      border:1px solid rgba(246,180,75,.2);
      color:#E9C990;
      font-size:13px;
    }
    .section{padding:88px 0}
    .section-sm{padding:70px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:34px;
    }
    .section-kicker{
      color:var(--cyan);
      font-size:13px;
      font-weight:850;
      letter-spacing:.08em;
      margin-bottom:8px;
    }
    h2{
      font-size:clamp(26px,3vw,38px);
      line-height:1.22;
      letter-spacing:-.04em;
      font-weight:850;
    }
    .section-desc{
      max-width:520px;
      color:var(--muted);
      font-size:15px;
    }
    .glass{
      background:var(--card);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
    }
    .service-layout{
      display:grid;
      grid-template-columns:300px 1fr;
      gap:24px;
      align-items:start;
    }
    .channel-panel{
      padding:22px;
      position:sticky;
      top:96px;
    }
    .channel-panel h3{font-size:20px;margin-bottom:12px}
    .channel-panel p{color:var(--muted);font-size:14px;margin-bottom:18px}
    .channel-list{display:grid;gap:10px}
    .channel-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(110,190,255,.12);
      color:#D7E8FA;
      font-size:14px;
      transition:.22s ease;
    }
    .channel-item:hover{
      transform:translateX(3px);
      border-color:rgba(53,231,255,.3);
      background:rgba(53,231,255,.07);
    }
    .service-cards{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:20px;
    }
    .service-card{
      padding:24px;
      border-radius:24px;
      background:rgba(12,31,54,.66);
      border:1px solid rgba(110,190,255,.18);
      transition:transform .22s ease, border-color .22s ease, background .22s ease, box-shadow .22s ease;
    }
    .service-card:nth-child(2),.service-card:nth-child(4){transform:translateY(18px)}
    .service-card:hover{
      transform:translateY(-3px);
      border-color:rgba(53,231,255,.42);
      background:rgba(16,42,72,.78);
      box-shadow:0 24px 60px rgba(0,0,0,.24);
    }
    .service-card:nth-child(2):hover,.service-card:nth-child(4):hover{transform:translateY(13px)}
    .icon-box{
      width:44px;
      height:44px;
      display:flex;
      align-items:center;
      justify-content:center;
      border-radius:16px;
      background:linear-gradient(135deg,rgba(30,136,255,.26),rgba(53,231,255,.12));
      border:1px solid rgba(53,231,255,.2);
      color:var(--cyan);
      margin-bottom:18px;
    }
    .service-card h3{font-size:21px;margin-bottom:10px}
    .service-card p{color:var(--muted);font-size:15px;margin-bottom:16px}
    .tag-row{display:flex;flex-wrap:wrap;gap:8px}
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      background:rgba(123,97,255,.1);
      border:1px solid rgba(123,97,255,.22);
      color:#D9D3FF;
      font-size:12px;
      font-weight:700;
    }
    .stats-wrap{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:24px;
      align-items:stretch;
    }
    .stats-band{
      padding:28px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .stat{
      padding:18px;
      border-radius:20px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(110,190,255,.12);
    }
    .stat b{
      display:block;
      font-size:34px;
      line-height:1;
      font-weight:900;
      background:linear-gradient(135deg,#fff,var(--cyan));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
      margin-bottom:10px;
    }
    .stat span{color:var(--muted);font-size:13px}
    .stat-note{
      padding:28px;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }
    .stat-note h3{font-size:23px;margin-bottom:12px}
    .stat-note p{color:var(--muted);font-size:15px}
    .case-layout{
      display:grid;
      grid-template-columns:.88fr 1.12fr;
      gap:24px;
      align-items:stretch;
    }
    .case-feature{
      padding:30px;
      min-height:360px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        radial-gradient(circle at 20% 0,rgba(53,231,255,.18),transparent 36%),
        rgba(12,31,54,.7);
    }
    .case-feature h3{font-size:27px;line-height:1.35;margin-bottom:12px}
    .case-feature p{color:var(--muted)}
    .case-list{display:grid;gap:16px}
    .case-item{
      display:grid;
      grid-template-columns:76px 1fr;
      gap:18px;
      padding:20px;
      border-radius:22px;
      background:rgba(12,31,54,.62);
      border:1px solid rgba(110,190,255,.16);
      transition:.22s ease;
    }
    .case-item:hover{
      transform:translateY(-3px);
      border-color:rgba(53,231,255,.36);
      background:rgba(16,42,72,.78);
    }
    .case-num{
      width:64px;
      height:64px;
      border-radius:20px;
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:900;
      color:#06111F;
      background:linear-gradient(135deg,var(--cyan),#fff);
    }
    .case-item h3{font-size:19px;margin-bottom:6px}
    .case-item p{color:var(--muted);font-size:14px}
    .plan-grid{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:14px;
    }
    .step-card{
      position:relative;
      min-height:230px;
      padding:20px;
      border-radius:22px;
      background:rgba(12,31,54,.66);
      border:1px solid rgba(110,190,255,.16);
      overflow:hidden;
      transition:.22s ease;
    }
    .step-card:hover{
      transform:translateY(-3px);
      border-color:rgba(53,231,255,.34);
    }
    .step-card::before{
      content:attr(data-step);
      position:absolute;
      right:16px;
      top:8px;
      font-size:56px;
      line-height:1;
      font-weight:900;
      color:rgba(53,231,255,.09);
    }
    .step-card h3{position:relative;font-size:18px;margin:46px 0 10px}
    .step-card p{position:relative;color:var(--muted);font-size:14px}
    .faq-wrap{
      display:grid;
      grid-template-columns:360px 1fr;
      gap:24px;
      align-items:start;
    }
    .faq-aside{
      padding:26px;
      background:linear-gradient(160deg,rgba(30,136,255,.18),rgba(12,31,54,.68));
    }
    .faq-aside h2{margin-bottom:12px}
    .faq-aside p{color:var(--muted)}
    .faq-list{display:grid;gap:14px}
    .faq-item{
      border-radius:20px;
      background:rgba(12,31,54,.66);
      border:1px solid rgba(110,190,255,.16);
      overflow:hidden;
    }
    .faq-q{
      width:100%;
      padding:18px 20px;
      background:transparent;
      color:var(--text);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      text-align:left;
      font-weight:800;
    }
    .faq-q span:last-child{
      width:26px;
      height:26px;
      border-radius:50%;
      display:flex;
      align-items:center;
      justify-content:center;
      background:rgba(53,231,255,.1);
      color:var(--cyan);
      flex:0 0 auto;
      transition:.22s ease;
    }
    .faq-a{
      padding:0 20px 18px;
      color:var(--muted);
      font-size:15px;
    }
    .contact-layout{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:stretch;
    }
    .cta-panel{
      padding:34px;
      background:
        radial-gradient(circle at 85% 20%,rgba(53,231,255,.18),transparent 38%),
        linear-gradient(145deg,rgba(30,136,255,.16),rgba(12,31,54,.72));
    }
    .cta-panel h2{margin-bottom:14px}
    .cta-panel p{color:var(--muted);margin-bottom:22px}
    .check-list{display:grid;gap:12px;margin-top:22px}
    .check-list li{
      list-style:none;
      display:flex;
      gap:10px;
      color:#DCEBFA;
      font-size:14px;
    }
    .check-list li::before{
      content:"✓";
      width:22px;
      height:22px;
      border-radius:50%;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      background:rgba(53,231,255,.12);
      color:var(--cyan);
      font-weight:900;
    }
    .form-card{
      padding:26px;
    }
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:7px;margin-bottom:14px}
    .field.full{grid-column:1/-1}
    .field label{font-size:13px;color:#CFE0F2;font-weight:750}
    .field input,.field textarea{
      width:100%;
      border-radius:16px;
      border:1px solid rgba(110,190,255,.18);
      background:rgba(5,16,30,.72);
      color:var(--text);
      padding:13px 14px;
      transition:.22s ease;
    }
    .field textarea{min-height:118px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:var(--weak)}
    .field input:focus,.field textarea:focus{
      border-color:rgba(53,231,255,.72);
      box-shadow:0 0 0 4px rgba(53,231,255,.11);
    }
    .form-tip{
      margin:12px 0 18px;
      color:#D8B986;
      font-size:13px;
      line-height:1.65;
    }
    .site-footer{
      padding:46px 0;
      border-top:1px solid rgba(110,190,255,.14);
      background:rgba(4,12,23,.72);
    }
    .footer-inner{
      display:grid;
      grid-template-columns:1fr auto;
      gap:36px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:10px;
      color:#fff;
      font-weight:850;
      margin-bottom:12px;
    }
    .footer-text{
      max-width:680px;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
      margin-bottom:10px;
    }
    .copyright{color:var(--weak);font-size:13px}
    .footer-links{
      display:grid;
      grid-template-columns:repeat(2,max-content);
      gap:10px 18px;
      padding-top:4px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
      transition:.22s ease;
    }
    .footer-links a:hover{color:var(--cyan)}
    @media (max-width:1100px){
      .brand{min-width:auto}
      .brand-text{max-width:210px}
      .header-actions{min-width:auto}
      .search-box{width:180px}
      .hero-grid,.stats-wrap,.case-layout,.contact-layout{grid-template-columns:1fr}
      .hero-grid{gap:28px}
      .plan-grid{grid-template-columns:repeat(3,1fr)}
    }
    @media (max-width:900px){
      .container{width:min(100% - 48px,var(--container))}
      .header-inner{flex-wrap:wrap;padding:14px 0;gap:12px}
      .nav-center{order:3;width:100%;justify-content:flex-start;overflow-x:auto;padding-bottom:2px}
      .nav-center::-webkit-scrollbar{height:0}
      .header-actions{margin-left:auto}
      .service-layout,.faq-wrap{grid-template-columns:1fr}
      .channel-panel{position:relative;top:auto}
      .stats-band{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:720px){
      .container{width:min(100% - 32px,var(--container))}
      .hero{padding:54px 0 64px}
      .section{padding:62px 0}
      .section-sm{padding:54px 0}
      .brand-text{max-width:150px}
      .search-box{display:none}
      .btn-ghost.header-entry{display:none}
      .menu-toggle{display:inline-block}
      .section-head{display:block}
      .section-desc{margin-top:10px}
      .service-cards,.coupon-row,.form-grid{grid-template-columns:1fr}
      .service-card:nth-child(2),.service-card:nth-child(4){transform:none}
      .service-card:nth-child(2):hover,.service-card:nth-child(4):hover{transform:translateY(-3px)}
      .coupon-main{padding:22px 118px 22px 20px}
      .coupon-value{font-size:36px}
      .coupon-btn{right:18px;width:76px;height:76px}
      .plan-grid{grid-template-columns:1fr}
      .footer-inner{grid-template-columns:1fr}
      .footer-links{grid-template-columns:1fr 1fr}
    }
    @media (max-width:520px){
      .header-inner{min-height:64px}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .brand-text{font-size:14px;max-width:118px}
      .nav-link{padding:0 12px;height:34px;font-size:13px}
      .hero-actions .btn{width:100%}
      .coupon-head{display:block}
      .status-pill{margin-top:10px}
      .coupon-main{padding:20px}
      .coupon-main::after{display:none}
      .coupon-btn{
        position:relative;
        right:auto;
        top:auto;
        transform:none;
        width:100%;
        height:44px;
        border-radius:999px;
        margin-top:18px;
      }
      .coupon-btn:hover{transform:translateY(-2px)}
      .stats-band{grid-template-columns:1fr}
      .case-item{grid-template-columns:1fr}
      .footer-links{grid-template-columns:1fr}
    }