/* roulang page: index */
:root{
    --ink:#0b2029;
    --ink-soft:#16394a;
    --teal:#0f8a83;
    --teal-deep:#0a6660;
    --teal-soft:#e3f2f1;
    --coral:#f2713c;
    --coral-deep:#d95a29;
    --bg:#f3f8f9;
    --surface:#ffffff;
    --line:#dde9ec;
    --line-strong:#c3dde0;
    --muted:#5f7885;
    --radius:14px;
    --radius-sm:10px;
    --radius-lg:20px;
    --shadow-sm:0 2px 10px rgba(11,32,41,.06);
    --shadow-md:0 14px 32px rgba(11,32,41,.10);
    --shadow-lg:0 24px 52px rgba(11,32,41,.18);
    --container:1180px;
    --t:.22s ease;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    background:var(--bg);
    color:var(--ink);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
  ul,ol{list-style:none;}
  a{color:inherit;text-decoration:none;}
  img{display:block;max-width:100%;}
  button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
  :focus-visible{outline:2px solid var(--coral);outline-offset:3px;border-radius:6px;}
  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

  /* ------- header ------- */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(255,255,255,.94);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    transition:box-shadow var(--t),background var(--t);
  }
  .site-header.is-stuck{box-shadow:0 6px 22px rgba(11,32,41,.09);}
  .header-inner{display:flex;align-items:center;gap:26px;height:64px;}
  .logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.2px;color:var(--ink);white-space:nowrap;}
  .logo-mark{
    width:36px;height:36px;border-radius:11px;flex:0 0 auto;
    background:linear-gradient(135deg,#0f8a83,#14b3a6);
    display:grid;place-items:center;color:#fff;
    box-shadow:0 6px 14px rgba(15,138,131,.32);
  }
  .logo-mark svg{width:20px;height:20px;}
  .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
  .nav-link{
    display:inline-flex;align-items:center;height:38px;padding:0 15px;border-radius:999px;
    font-size:15px;font-weight:500;color:#33525f;transition:background var(--t),color var(--t);
  }
  .nav-link:hover{background:var(--teal-soft);color:var(--teal-deep);}
  .nav-link.is-active{background:var(--teal);color:#fff;box-shadow:0 6px 16px rgba(15,138,131,.28);}
  .nav-actions{display:flex;align-items:center;gap:10px;margin-left:14px;}
  .nav-toggle{
    display:none;width:42px;height:40px;border-radius:10px;border:1px solid var(--line-strong);
    align-items:center;justify-content:center;background:#fff;margin-left:auto;
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}

  /* ------- buttons ------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 22px;border-radius:9px;font-size:15px;font-weight:600;
    transition:transform var(--t),background var(--t),box-shadow var(--t),border-color var(--t),color var(--t);
    border:1px solid transparent;white-space:nowrap;
  }
  .btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(242,113,60,.28);}
  .btn-primary:hover{background:var(--coral-deep);transform:translateY(-2px);box-shadow:0 12px 24px rgba(242,113,60,.34);}
  .btn-primary:active{transform:translateY(0);}
  .btn-outline{border-color:var(--line-strong);color:var(--ink);background:#fff;}
  .btn-outline:hover{border-color:var(--teal);color:var(--teal-deep);transform:translateY(-2px);background:#f7fdfd;}
  .btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff;}
  .btn-ghost-light:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px);}
  .btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:8px;}

  /* ------- hero ------- */
  .hero{
    padding:52px 0 64px;
    background:
      radial-gradient(880px 420px at 8% -12%, #d8f1ef 0%, rgba(216,241,239,0) 62%),
      radial-gradient(720px 400px at 94% -4%, #ffe5d9 0%, rgba(255,229,217,0) 58%),
      var(--bg);
  }
  .hero-grid{display:grid;grid-template-columns:1.42fr .9fr;gap:26px;align-items:start;}
  .hero-main{
    position:relative;overflow:hidden;border-radius:var(--radius-lg);
    padding:42px 40px 36px;color:#fff;
    background-image:
      linear-gradient(114deg, rgba(5,28,38,.95) 0%, rgba(8,56,64,.9) 48%, rgba(10,92,90,.62) 100%),
      url(/assets/images/fe551cd0b0b15ad3.webp);
    background-size:cover;background-position:center;
    box-shadow:var(--shadow-lg);
  }
  .hero-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;letter-spacing:.08em;font-weight:600;
    color:#bdf1ec;background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.22);
    padding:6px 14px;border-radius:999px;margin-bottom:20px;
  }
  .hero-title{font-size:40px;line-height:1.28;font-weight:800;letter-spacing:-.4px;margin-bottom:16px;}
  .hero-title em{font-style:normal;color:#ffd0b4;}
  .hero-lead{font-size:15.5px;line-height:1.85;color:#d3e8ea;max-width:62ch;margin-bottom:22px;}
  .hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
  .chip{
    display:inline-flex;align-items:center;gap:6px;
    font-size:13px;font-weight:500;color:#e7fbfa;
    background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.24);
    padding:6px 13px;border-radius:999px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
  .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;border-top:1px solid rgba(255,255,255,.18);padding-top:20px;}
  .stat-num{display:block;font-size:24px;font-weight:800;color:#fff;line-height:1.2;}
  .stat-label{display:block;font-size:13px;color:#a9cfd3;margin-top:2px;}
  .hero-side{display:flex;flex-direction:column;gap:18px;}
  .side-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    padding:18px;box-shadow:var(--shadow-sm);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  }
  .side-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
  .side-card--offset{margin-left:26px;}
  .side-thumb{width:100%;height:112px;object-fit:cover;border-radius:var(--radius-sm);margin-bottom:12px;}
  .side-title{font-size:16px;font-weight:700;margin-bottom:6px;}
  .side-text{font-size:14px;color:var(--muted);line-height:1.7;}
  .side-list{margin-top:10px;display:grid;gap:6px;}
  .side-list li{font-size:13.5px;color:var(--ink-soft);display:flex;gap:8px;align-items:flex-start;}
  .side-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal);margin-top:8px;flex:0 0 auto;}

  /* ------- sections ------- */
  .section{padding:66px 0;}
  .section--alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .section--dark{background:linear-gradient(158deg,#0b2029 0%,#123c4c 62%,#0d4d52 100%);color:#e6f3f4;}
  .section-head{max-width:760px;margin-bottom:34px;}
  .section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--teal-deep);
    margin-bottom:10px;
  }
  .eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--coral);}
  .section--dark .eyebrow{color:#7fdcd4;}
  .section-title{font-size:28px;line-height:1.4;font-weight:800;letter-spacing:-.2px;}
  .section-desc{font-size:15px;color:var(--muted);margin-top:12px;line-height:1.85;}
  .section--dark .section-desc{color:#a9cdd2;}
  .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
  .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}

  /* ------- cards ------- */
  .card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    padding:24px;box-shadow:var(--shadow-sm);
    transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
  .icon-badge{
    width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
    background:var(--teal-soft);color:var(--teal-deep);margin-bottom:14px;
  }
  .icon-badge svg{width:22px;height:22px;}
  .card-title{font-size:17px;font-weight:700;margin-bottom:8px;}
  .card-text{font-size:14.5px;color:var(--muted);line-height:1.8;}
  .card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
  .tag{
    display:inline-flex;align-items:center;font-size:12.5px;font-weight:600;
    color:var(--teal-deep);background:var(--teal-soft);
    padding:4px 11px;border-radius:999px;
  }
  .tag--coral{color:var(--coral-deep);background:#fdece4;}

  /* ------- compare ------- */
  .compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
  .compare-col{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);}
  .compare-col--good{border-color:#bfe3de;background:linear-gradient(180deg,#f4fdfb,#fff);}
  .compare-head{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:14px;}
  .dot{width:10px;height:10px;border-radius:50%;flex:0 0 auto;}
  .dot--good{background:var(--teal);}
  .dot--muted{background:#b6c8cf;}
  .compare-list{display:grid;gap:11px;}
  .compare-list li{font-size:14.5px;color:var(--ink-soft);line-height:1.75;padding-left:20px;position:relative;}
  .compare-list li::before{position:absolute;left:0;top:2px;font-weight:800;}
  .compare-col--good .compare-list li::before{content:"✓";color:var(--teal);}
  .compare-col--plain .compare-list li::before{content:"·";color:#9fb4bc;}

  /* ------- plans ------- */
  .plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch;}
  .plan{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    padding:26px 24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
    transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  }
  .plan:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
  .plan--featured{border-color:var(--teal);box-shadow:0 18px 40px rgba(15,138,131,.14);}
  .plan-badge{
    display:inline-flex;align-self:flex-start;font-size:12.5px;font-weight:700;
    color:#fff;background:var(--teal);padding:4px 12px;border-radius:999px;margin-bottom:12px;
  }
  .plan-name{font-size:19px;font-weight:800;margin-bottom:8px;}
  .plan-desc{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:16px;}
  .plan-list{display:grid;gap:10px;margin-bottom:20px;}
  .plan-list li{font-size:14px;color:var(--ink-soft);padding-left:20px;position:relative;line-height:1.7;}
  .plan-list li::before{content:"";position:absolute;left:2px;top:9px;width:7px;height:7px;border-radius:2px;background:var(--teal);}
  .plan-foot{margin-top:auto;font-size:13.5px;color:var(--teal-deep);font-weight:600;}

  /* ------- channel ------- */
  .channel-card{
    display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    padding:26px 24px;box-shadow:var(--shadow-sm);
    transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  }
  .channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--teal);}
  .channel-icon{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:#eaf6f5;color:var(--teal-deep);margin-bottom:14px;}
  .channel-icon svg{width:24px;height:24px;}
  .channel-title{font-size:18px;font-weight:800;margin-bottom:8px;}
  .channel-text{font-size:14.5px;color:var(--muted);line-height:1.8;}
  .channel-link{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--teal-deep);}
  .channel-card:hover .channel-link{color:var(--coral-deep);}

  /* ------- feature split ------- */
  .feature-split{display:grid;grid-template-columns:1fr 1.05fr;gap:36px;align-items:center;}
  .feature-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);}
  .feature-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
  .feature-media figcaption{
    position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:13.5px;color:#eaf7f7;
    background:linear-gradient(180deg,rgba(6,28,38,0),rgba(6,28,38,.82));
  }
  .check-list{display:grid;gap:14px;margin-top:20px;}
  .check-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.8px;color:var(--ink-soft);line-height:1.8;}
  .check-list li span.mark{
    flex:0 0 auto;width:22px;height:22px;border-radius:7px;background:var(--teal-soft);
    color:var(--teal-deep);display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:3px;
  }

  /* ------- steps ------- */
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
  .step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:relative;box-shadow:var(--shadow-sm);transition:transform var(--t),box-shadow var(--t);}
  .step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
  .step-num{
    width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
    font-size:15px;font-weight:800;color:#fff;background:linear-gradient(135deg,#0f8a83,#12b3a6);
    margin-bottom:12px;
  }
  .step-title{font-size:16px;font-weight:700;margin-bottom:6px;}
  .step-text{font-size:14px;color:var(--muted);line-height:1.78;}

  /* ------- kpi ------- */
  .kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
  .kpi{
    border-radius:var(--radius);padding:24px;background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.16);transition:transform var(--t),background var(--t);
  }
  .kpi:hover{transform:translateY(-4px);background:rgba(255,255,255,.1);}
  .kpi-value{font-size:30px;font-weight:800;color:#fff;line-height:1.2;}
  .kpi-label{font-size:14px;color:#a9cfd3;margin-top:4px;}
  .kpi-note{font-size:13px;color:#8fb9be;margin-top:10px;line-height:1.7;}

  /* ------- topic cloud ------- */
  .topic-cloud{display:flex;flex-wrap:wrap;gap:12px;}
  .topic-pill{
    display:inline-flex;align-items:center;gap:8px;
    padding:9px 16px;border-radius:999px;font-size:14px;font-weight:500;
    background:var(--surface);border:1px solid var(--line);color:var(--ink-soft);
    box-shadow:var(--shadow-sm);transition:all var(--t);
  }
  .topic-pill:hover{border-color:var(--teal);color:var(--teal-deep);transform:translateY(-2px);box-shadow:var(--shadow-md);}
  .topic-pill b{color:var(--teal-deep);font-weight:700;}

  /* ------- timeline ------- */
  .timeline{position:relative;display:grid;gap:18px;padding-left:26px;}
  .timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--teal),#cfe6e6);border-radius:2px;}
  .tl-item{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow-sm);transition:transform var(--t),box-shadow var(--t);}
  .tl-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
  .tl-item::before{content:"";position:absolute;left:-25px;top:26px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--teal);}
  .tl-date{font-size:13px;font-weight:700;color:var(--coral-deep);letter-spacing:.04em;}
  .tl-title{font-size:16.5px;font-weight:700;margin:4px 0 6px;}
  .tl-text{font-size:14px;color:var(--muted);line-height:1.78;}

  /* ------- quotes ------- */
  .quote{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:transform var(--t),box-shadow var(--t);}
  .quote:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
  .quote-text{font-size:15px;color:var(--ink-soft);line-height:1.85;}
  .quote-author{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13.5px;color:var(--muted);}
  .avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#0f8a83,#7cd6cf);color:#fff;display:grid;place-items:center;font-weight:700;font-size:13px;}

  /* ------- news ------- */
  .news-layout{display:grid;grid-template-columns:1.5fr .9fr;gap:26px;align-items:start;}
  .news-list{display:grid;gap:12px;}
  .news-item{
    display:flex;gap:16px;align-items:flex-start;justify-content:space-between;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
    padding:16px 20px;box-shadow:var(--shadow-sm);transition:all var(--t);
  }
  .news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
  .news-title{font-size:15.5px;font-weight:600;line-height:1.65;color:var(--ink);}
  .news-item:hover .news-title{color:var(--teal-deep);}
  .news-meta{display:block;font-size:13px;color:var(--muted);margin-top:6px;}
  .news-arrow{flex:0 0 auto;color:#9fb8c0;font-weight:800;margin-top:3px;}
  .news-side{background:#f8fcfc;border:1px solid var(--line);border-radius:var(--radius);padding:22px;}
  .news-side h3{font-size:16px;font-weight:800;margin-bottom:14px;}
  .news-mini{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);transition:opacity var(--t);}
  .news-mini:last-child{border-bottom:0;padding-bottom:0;}
  .news-mini:hover{opacity:.82;}
  .news-mini img{width:64px;height:56px;object-fit:cover;border-radius:8px;flex:0 0 auto;}
  .news-mini p{font-size:14px;font-weight:600;line-height:1.6;color:var(--ink-soft);}
  .news-mini span{display:block;font-size:12.5px;color:var(--muted);margin-top:4px;}
  .empty-note{font-size:14.5px;color:var(--muted);background:#fff;border:1px dashed var(--line-strong);border-radius:var(--radius-sm);padding:22px;text-align:center;}

  /* ------- assure ------- */
  .assure-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
  .assure{display:flex;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);}
  .assure-icon{flex:0 0 auto;width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:#fdece4;color:var(--coral-deep);}
  .assure-icon svg{width:20px;height:20px;}
  .assure h4{font-size:15.5px;font-weight:700;margin-bottom:6px;}
  .assure p{font-size:14px;color:var(--muted);line-height:1.78;}

  /* ------- cta band ------- */
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:46px 44px;color:#fff;
    background-image:linear-gradient(112deg,rgba(6,30,40,.95),rgba(9,84,86,.86)),url(/assets/images/5466da5d15b96ba0.webp);
    background-size:cover;background-position:center;box-shadow:var(--shadow-lg);
    display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  }
  .cta-band h2{font-size:26px;font-weight:800;line-height:1.4;margin-bottom:10px;}
  .cta-band p{font-size:14.8px;color:#cfe7ea;max-width:56ch;line-height:1.8;}

  /* ------- footer ------- */
  .site-footer{background:#0b2029;color:#b8d2d6;padding:56px 0 24px;margin-top:0;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12);}
  .footer-brand .logo{color:#fff;margin-bottom:14px;}
  .footer-brand p{font-size:14px;line-height:1.85;color:#93b4ba;max-width:42ch;}
  .footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
  .footer-links{display:grid;gap:10px;}
  .footer-links a{font-size:14px;color:#a6c4c9;transition:color var(--t);}
  .footer-links a:hover{color:#7fdcd4;}
  .footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:20px;font-size:13px;color:#7e9ca2;}

  /* ------- responsive ------- */
  @media (max-width:1024px){
    .hero-grid{grid-template-columns:1fr;}
    .hero-side{flex-direction:row;}
    .side-card{flex:1;}
    .side-card--offset{margin-left:0;}
    .hero-title{font-size:34px;}
    .grid-4,.kpi-grid{grid-template-columns:repeat(2,1fr);}
    .steps{grid-template-columns:repeat(2,1fr);}
    .feature-split{grid-template-columns:1fr;gap:26px;}
    .nav-links{display:none;}
    .nav-actions{display:none;}
    .nav-toggle{display:flex;}
    .site-header.mobile-open .nav-links{
      display:flex;flex-direction:column;align-items:stretch;gap:4px;
      position:absolute;left:0;right:0;top:64px;
      background:#fff;border-bottom:1px solid var(--line);
      padding:14px 24px 18px;box-shadow:var(--shadow-md);
    }
    .site-header.mobile-open .nav-link{height:44px;justify-content:flex-start;border-radius:10px;}
    .site-header.mobile-open .nav-actions{
      display:flex;flex-direction:column;align-items:stretch;
      position:absolute;left:0;right:0;top:251px;
      background:#fff;padding:0 24px 20px;border-bottom:1px solid var(--line);
      box-shadow:var(--shadow-md);margin:0;gap:10px;
    }
  }
  @media (max-width:860px){
    .grid-3,.plans,.assure-grid{grid-template-columns:1fr;}
    .compare{grid-template-columns:1fr;}
    .news-layout{grid-template-columns:1fr;}
    .section{padding:52px 0;}
    .hero-main{padding:32px 24px 28px;}
    .hero-title{font-size:30px;}
    .footer-grid{grid-template-columns:1fr 1fr;}
    .cta-band{padding:34px 26px;}
  }
  @media (max-width:520px){
    .container{padding:0 16px;}
    .hero{padding:34px 0 44px;}
    .hero-title{font-size:26px;}
    .hero-lead{font-size:14.5px;}
    .hero-stats{grid-template-columns:1fr 1fr;}
    .hero-side{flex-direction:column;}
    .grid-2,.grid-4,.kpi-grid,.steps{grid-template-columns:1fr;}
    .section-title{font-size:23px;}
    .section-desc{font-size:14.5px;}
    .news-item{padding:14px 16px;}
    .footer-grid{grid-template-columns:1fr;gap:26px;}
    .btn{width:100%;}
    .hero-actions .btn{width:100%;}
    .cta-band{text-align:left;}
  }

/* roulang page: article */
:root{
 --ink:#0b2029;
 --ink-soft:#16394a;
 --teal:#0f8a83;
 --teal-deep:#0a6660;
 --teal-soft:#e3f2f1;
 --coral:#f2713c;
 --coral-deep:#d95a29;
 --bg:#f3f8f9;
 --surface:#ffffff;
 --line:#dde9ec;
 --line-strong:#c3dde0;
 --muted:#5f7885;
 --radius:14px;
 --radius-sm:10px;
 --radius-lg:20px;
 --shadow-sm:0 2px 10px rgba(11,32,41,.06);
 --shadow-md:0 14px 32px rgba(11,32,41,.10);
 --shadow-lg:0 24px 52px rgba(11,32,41,.18);
 --container:1180px;
 --t:.22s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--ink);
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
button:focus-visible,a:focus-visible,summary:focus-visible{
 outline:2px solid var(--teal);
 outline-offset:3px;
 border-radius:6px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ------- header ------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(255,255,255,.94);
 backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
 transition:box-shadow var(--t),background var(--t);
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(11,32,41,.09);}
.header-inner{display:flex;align-items:center;gap:26px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.2px;color:var(--ink);white-space:nowrap;}
.logo-mark{
 width:36px;height:36px;border-radius:11px;flex:0 0 auto;
 background:linear-gradient(135deg,#0f8a83,#14b3a6);
 display:grid;place-items:center;color:#fff;
 box-shadow:0 6px 14px rgba(15,138,131,.32);
}
.logo-mark svg{width:20px;height:20px;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
 display:inline-flex;align-items:center;height:38px;padding:0 15px;border-radius:999px;
 font-size:15px;font-weight:500;color:#33525f;transition:background var(--t),color var(--t);
}
.nav-link:hover{background:var(--teal-soft);color:var(--teal-deep);}
.nav-link.is-active{background:var(--teal);color:#fff;box-shadow:0 6px 16px rgba(15,138,131,.28);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:14px;}
.nav-toggle{
 display:none;width:42px;height:40px;border-radius:10px;border:1px solid var(--line-strong);
 align-items:center;justify-content:center;background:#fff;margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ------- buttons ------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 min-height:44px;padding:0 22px;border-radius:9px;font-size:15px;font-weight:600;
 transition:transform var(--t),background var(--t),box-shadow var(--t),border-color var(--t),color var(--t);
 border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(242,113,60,.28);}
.btn-primary:hover{background:var(--coral-deep);transform:translateY(-2px);box-shadow:0 12px 24px rgba(242,113,60,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{border-color:var(--line-strong);color:var(--ink);background:#fff;}
.btn-outline:hover{border-color:var(--teal);color:var(--teal-deep);transform:translateY(-2px);background:#f7fdfd;}
.btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.08);}
.btn-ghost-light:hover{background:rgba(255,255,255,.18);border-color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:8px;}

/* ------- article hero ------- */
.article-hero{
 position:relative;
 padding:46px 0 58px;
 background:
 radial-gradient(820px 380px at 4% -10%, #d8f1ef 0%, rgba(216,241,239,0) 62%),
 radial-gradient(680px 360px at 96% -6%, #ffe5d9 0%, rgba(255,229,217,0) 58%),
 var(--bg);
}
.hero-panel{
 display:grid;grid-template-columns:1.55fr .85fr;gap:24px;align-items:stretch;
 border-radius:var(--radius-lg);overflow:hidden;
 background-image:
 linear-gradient(112deg, rgba(5,28,38,.96) 0%, rgba(8,54,62,.9) 52%, rgba(10,92,90,.66) 100%),
 url(/assets/images/10b2c000f1d34fec.webp);
 background-size:cover;background-position:center;
 box-shadow:var(--shadow-lg);
}
.hero-copy{padding:40px 38px 34px;color:#fff;min-width:0;}
.crumb{
 display:flex;flex-wrap:wrap;align-items:center;gap:8px;
 font-size:13px;color:#a9d8d8;margin-bottom:18px;
}
.crumb a{color:#cdeeed;border-bottom:1px dashed rgba(205,238,237,.45);}
.crumb a:hover{color:#fff;}
.crumb span{color:#8fc4c4;}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:600;letter-spacing:.06em;
 color:#bdf1ec;background:rgba(255,255,255,.12);
 border:1px solid rgba(255,255,255,.24);
 padding:5px 13px;border-radius:999px;margin-bottom:16px;
}
.article-title{
 font-size:34px;line-height:1.34;font-weight:800;letter-spacing:-.3px;
 margin-bottom:16px;word-break:break-word;
}
.article-lead{font-size:15.5px;line-height:1.85;color:#cfe6e8;max-width:64ch;margin-bottom:22px;word-break:break-word;}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;}
.meta-pill{
 display:inline-flex;align-items:center;gap:7px;
 font-size:13px;color:#e6fbfa;
 background:rgba(255,255,255,.12);
 border:1px solid rgba(255,255,255,.22);
 padding:6px 13px;border-radius:999px;
}
.meta-pill svg{width:14px;height:14px;flex:0 0 auto;}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;}
.hero-figure{
 position:relative;display:flex;flex-direction:column;justify-content:flex-end;
 padding:24px;min-width:0;
}
.hero-figure img{
 width:100%;height:100%;max-height:280px;object-fit:cover;
 border-radius:var(--radius);border:1px solid rgba(255,255,255,.28);
 box-shadow:0 18px 36px rgba(0,0,0,.35);
}
.figure-caption{
 margin-top:12px;font-size:12.5px;line-height:1.6;color:#bfe3e3;
}

/* ------- article layout ------- */
.section{padding:64px 0;}
.section-alt{background:#eef6f7;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-tight{padding:52px 0;}
.section-head{max-width:760px;margin-bottom:30px;}
.section-kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
 color:var(--teal-deep);margin-bottom:10px;
}
.section-kicker::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--coral);}
.section-title{font-size:26px;line-height:1.4;font-weight:800;letter-spacing:-.2px;}
.section-desc{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.8;}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 322px;gap:30px;align-items:start;}
.article-main{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:34px 36px;box-shadow:var(--shadow-sm);min-width:0;
}
.article-content{font-size:16px;line-height:1.85;color:#173a49;word-break:break-word;}
.article-content h2{
 font-size:23px;line-height:1.45;font-weight:800;color:var(--ink);
 margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--teal);
}
.article-content h2:first-child{margin-top:0;}
.article-content h3{font-size:18.5px;font-weight:700;margin:24px 0 10px;color:var(--ink-soft);}
.article-content p{margin:0 0 16px;}
.article-content ul,.article-content ol{margin:0 0 18px;padding-left:22px;list-style:disc;}
.article-content ol{list-style:decimal;}
.article-content li{margin-bottom:8px;}
.article-content strong{color:var(--teal-deep);}
.article-content img{border-radius:var(--radius);margin:18px auto;box-shadow:var(--shadow-sm);}
.article-content blockquote{
 margin:22px 0;padding:18px 22px;border-left:4px solid var(--coral);
 background:#fff6f1;border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#5c4133;
}
.article-content table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px;}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-content th{background:var(--teal-soft);color:var(--teal-deep);}
.article-content a{color:var(--teal-deep);text-decoration:underline;}
.article-content a:hover{color:var(--coral-deep);}
.article-content hr{border:0;border-top:1px dashed var(--line-strong);margin:26px 0;}

.empty-state{text-align:center;padding:26px 10px 10px;}
.empty-state h2{font-size:22px;font-weight:800;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:20px;}

/* ------- aside ------- */
.side-stack{display:grid;gap:18px;position:sticky;top:84px;}
.side-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px;box-shadow:var(--shadow-sm);
 transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.side-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.side-title{font-size:15.5px;font-weight:800;margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.side-title::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--teal);transform:rotate(45deg);}
.side-list{display:grid;gap:10px;}
.side-list li{font-size:13.5px;line-height:1.7;color:var(--ink-soft);display:flex;gap:8px;}
.side-list li::before{content:"";width:6px;height:6px;margin-top:9px;flex:0 0 auto;border-radius:50%;background:var(--coral);}
.side-note{font-size:13px;color:var(--muted);line-height:1.75;margin-top:12px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
 display:inline-flex;align-items:center;
 font-size:12.5px;font-weight:600;color:var(--teal-deep);
 background:var(--teal-soft);border:1px solid #cbe7e6;
 padding:5px 11px;border-radius:999px;
 transition:background var(--t),color var(--t),transform var(--t);
}
.tag:hover{background:var(--teal);color:#fff;transform:translateY(-2px);}
.side-cta{background:linear-gradient(160deg,#0b2b36,#0f6a67);color:#fff;border-color:transparent;}
.side-cta .side-title{color:#fff;}
.side-cta .side-title::before{background:#ffd0b4;}
.side-cta p{font-size:13.5px;line-height:1.75;color:#cfe6e8;margin-bottom:14px;}

/* ------- cards ------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow-sm);min-width:0;
 transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.card-icon{
 width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
 background:var(--teal-soft);color:var(--teal-deep);margin-bottom:14px;
}
.card-icon svg{width:21px;height:21px;}
.card-title{font-size:17px;font-weight:800;margin-bottom:8px;line-height:1.5;}
.card-text{font-size:14px;line-height:1.8;color:var(--muted);}
.card-tag{
 display:inline-block;margin-top:14px;font-size:12px;font-weight:700;letter-spacing:.04em;
 color:var(--coral-deep);background:#fff2eb;border:1px solid #ffdcc9;
 padding:4px 10px;border-radius:999px;
}

/* ------- spec table ------- */
.table-wrap{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow-x:auto;
}
.spec-table{width:100%;border-collapse:collapse;min-width:620px;font-size:14.5px;}
.spec-table thead th{
 background:#eef7f7;color:var(--teal-deep);font-weight:800;font-size:13.5px;
 text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.spec-table tbody td{padding:14px 18px;border-bottom:1px solid var(--line);color:var(--ink-soft);line-height:1.7;}
.spec-table tbody tr:last-child td{border-bottom:0;}
.spec-table tbody tr{transition:background var(--t);}
.spec-table tbody tr:hover{background:#f7fdfd;}
.spec-table td strong{color:var(--ink);}
.table-note{margin-top:14px;font-size:13px;color:var(--muted);line-height:1.75;}

/* ------- split feature ------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;}
.split-media img{
 width:100%;height:100%;max-height:360px;object-fit:cover;
 border-radius:var(--radius-lg);box-shadow:var(--shadow-md);border:1px solid var(--line);
}
.split-body{min-width:0;}
.step-list{display:grid;gap:4px;margin-top:22px;}
.step{
 display:grid;grid-template-columns:38px minmax(0,1fr);gap:14px;
 padding:16px 0;border-top:1px dashed var(--line-strong);
}
.step:first-child{border-top:0;padding-top:0;}
.step-num{
 width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 font-weight:800;font-size:14px;color:#fff;background:var(--teal);
 box-shadow:0 8px 18px rgba(15,138,131,.26);
}
.step h3{font-size:16px;font-weight:800;margin-bottom:4px;}
.step p{font-size:14px;line-height:1.8;color:var(--muted);}

/* ------- faq ------- */
.faq{display:grid;gap:12px;max-width:900px;}
.faq details{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:0;box-shadow:var(--shadow-sm);transition:border-color var(--t),box-shadow var(--t);
}
.faq details:hover{border-color:var(--line-strong);}
.faq details[open]{box-shadow:var(--shadow-md);border-color:#bfe2e1;}
.faq summary{
 list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;
 padding:18px 22px;font-size:16px;font-weight:700;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
 content:"+";margin-left:auto;font-size:20px;font-weight:600;color:var(--teal);
 transition:transform var(--t),color var(--t);
}
.faq details[open] summary::after{content:"–";color:var(--coral);}
.faq-answer{padding:0 22px 20px;font-size:14.5px;line-height:1.85;color:var(--muted);}

/* ------- channel ------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.channel{
 display:flex;flex-direction:column;gap:10px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow-sm);
 transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.channel:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--teal);}
.channel h3{font-size:17px;font-weight:800;}
.channel p{font-size:14px;line-height:1.8;color:var(--muted);}
.channel .more{
 margin-top:auto;font-size:13.5px;font-weight:700;color:var(--teal-deep);
 display:inline-flex;align-items:center;gap:6px;
}
.channel:hover .more{color:var(--coral-deep);}

/* ------- cta band ------- */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 padding:40px 38px;color:#fff;
 background-image:
 linear-gradient(112deg, rgba(6,30,40,.95) 0%, rgba(9,72,72,.86) 58%, rgba(15,138,131,.6) 100%),
 url(/assets/images/8a96977a948bc87b.webp);
 background-size:cover;background-position:center;
 box-shadow:var(--shadow-lg);
 display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center;
}
.cta-band h2{font-size:25px;line-height:1.42;font-weight:800;margin-bottom:10px;}
.cta-band p{font-size:14.5px;line-height:1.8;color:#cfe6e8;max-width:60ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ------- footer ------- */
.site-footer{
 background:#08222c;color:#b9d5da;padding:54px 0 0;margin-top:0;
 border-top:4px solid var(--teal);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:34px;}
.footer-brand .logo{color:#fff;margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.8;color:#93b7bf;max-width:42ch;}
.footer-title{font-size:15px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-links{display:grid;gap:9px;}
.footer-links a{font-size:14px;color:#a4c3cb;transition:color var(--t),transform var(--t);display:inline-block;}
.footer-links a:hover{color:#fff;transform:translateX(3px);}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.12);
 padding:18px 0 22px;display:flex;flex-wrap:wrap;gap:10px 20px;
 justify-content:space-between;font-size:13px;color:#7fa3ac;
}

/* ------- responsive ------- */
@media (max-width:1024px){
 .hero-panel{grid-template-columns:1.35fr .9fr;}
 .article-layout{grid-template-columns:minmax(0,1fr) 286px;gap:24px;}
 .article-main{padding:28px;}
 .card-grid,.channel-grid{grid-template-columns:repeat(2,1fr);}
 .split{grid-template-columns:1fr;gap:26px;}
 .split-media img{max-height:300px;}
}
@media (max-width:960px){
 .nav-links,.nav-actions{display:none;}
 .nav-toggle{display:flex;}
 .header-inner{flex-wrap:wrap;height:64px;}
 .site-header.nav-open .header-inner{height:auto;padding-bottom:16px;}
 .site-header.nav-open .nav-links{
 display:flex;flex-direction:column;align-items:stretch;gap:4px;
 order:3;width:100%;margin:10px 0 0;
 }
 .site-header.nav-open .nav-link{height:42px;justify-content:flex-start;border-radius:10px;}
 .site-header.nav-open .nav-actions{
 display:flex;order:4;width:100%;margin:10px 0 0;flex-wrap:wrap;gap:10px;
 }
 .hero-panel{grid-template-columns:1fr;}
 .hero-copy{padding:32px 26px 26px;}
 .article-title{font-size:28px;}
 .hero-figure{padding:0 26px 26px;}
 .hero-figure img{max-height:230px;}
 .article-layout{grid-template-columns:1fr;}
 .side-stack{position:static;}
 .cta-band{grid-template-columns:1fr;padding:32px 26px;}
 .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
 .container{padding:0 18px;}
 .section{padding:46px 0;}
 .article-hero{padding:32px 0 44px;}
 .article-title{font-size:24px;}
 .article-lead{font-size:14.5px;}
 .article-main{padding:22px 18px;border-radius:var(--radius);}
 .article-content{font-size:15px;}
 .article-content h2{font-size:20px;}
 .card-grid,.channel-grid{grid-template-columns:1fr;}
 .hero-btns .btn{flex:1 1 100%;}
 .cta-actions{width:100%;}
 .cta-actions .btn{flex:1 1 100%;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .footer-bottom{flex-direction:column;gap:6px;}
 .section-title{font-size:22px;}
}

/* roulang page: category1 */
:root{
  --ink:#0b2029;
  --ink-soft:#16394a;
  --teal:#0f8a83;
  --teal-deep:#0a6660;
  --teal-soft:#e3f2f1;
  --coral:#f2713c;
  --coral-deep:#d95a29;
  --bg:#f3f8f9;
  --surface:#ffffff;
  --line:#dde9ec;
  --line-strong:#c3dde0;
  --muted:#5f7885;
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:20px;
  --shadow-sm:0 2px 10px rgba(11,32,41,.06);
  --shadow-md:0 14px 32px rgba(11,32,41,.10);
  --shadow-lg:0 24px 52px rgba(11,32,41,.18);
  --container:1180px;
  --t:.22s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:3px solid rgba(15,138,131,.45);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ------- header ------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(11,32,41,.09);}
.header-inner{display:flex;align-items:center;gap:26px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.2px;color:var(--ink);white-space:nowrap;}
.logo-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,#0f8a83,#14b3a6);
  display:grid;place-items:center;color:#fff;
  box-shadow:0 6px 14px rgba(15,138,131,.32);
}
.logo-mark svg{width:20px;height:20px;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  display:inline-flex;align-items:center;height:38px;padding:0 15px;border-radius:999px;
  font-size:15px;font-weight:500;color:#33525f;transition:background var(--t),color var(--t);
}
.nav-link:hover{background:var(--teal-soft);color:var(--teal-deep);}
.nav-link.is-active{background:var(--teal);color:#fff;box-shadow:0 6px 16px rgba(15,138,131,.28);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:14px;}
.nav-toggle{
  display:none;width:42px;height:40px;border-radius:10px;border:1px solid var(--line-strong);
  align-items:center;justify-content:center;background:#fff;margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ------- buttons ------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:9px;font-size:15px;font-weight:600;
  transition:transform var(--t),background var(--t),box-shadow var(--t),border-color var(--t),color var(--t);
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(242,113,60,.28);}
.btn-primary:hover{background:var(--coral-deep);transform:translateY(-2px);box-shadow:0 12px 24px rgba(242,113,60,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{border-color:var(--line-strong);color:var(--ink);background:#fff;}
.btn-outline:hover{border-color:var(--teal);color:var(--teal-deep);transform:translateY(-2px);background:#f7fdfd;}
.btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:8px;}

/* ------- page hero ------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:44px 0 56px;
  background:
    radial-gradient(760px 380px at 4% -20%, #d8f1ef 0%, rgba(216,241,239,0) 62%),
    radial-gradient(620px 340px at 100% 0%, #ffe7dc 0%, rgba(255,231,220,0) 58%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.42fr .88fr;gap:30px;align-items:start;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  color:var(--teal-deep);background:var(--teal-soft);
  border:1px solid #c8e6e3;padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--teal);}
.page-title{font-size:clamp(28px,3.5vw,42px);line-height:1.26;font-weight:800;letter-spacing:-.4px;margin-bottom:16px;}
.page-title em{font-style:normal;color:var(--teal-deep);}
.page-lead{font-size:16px;line-height:1.86;color:#3d5c69;max-width:60ch;margin-bottom:22px;}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;color:var(--teal-deep);
  background:#fff;border:1px solid var(--line-strong);
  padding:6px 13px;border-radius:999px;transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.chip:hover{border-color:var(--teal);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.nearby{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);}
.nearby strong{color:var(--ink-soft);font-weight:600;}
.nearby a{
  color:var(--teal-deep);border-bottom:1px dashed #a9d8d4;
  transition:color var(--t),border-color var(--t);
}
.nearby a:hover{color:var(--coral-deep);border-color:var(--coral);}

.hero-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 22px;box-shadow:var(--shadow-md);
}
.panel-kicker{font-size:12.5px;letter-spacing:.08em;font-weight:700;color:var(--teal);margin-bottom:10px;}
.panel-title{font-size:18px;font-weight:800;margin-bottom:14px;color:var(--ink);}
.check-list{display:grid;gap:12px;}
.check-item{display:flex;gap:11px;align-items:flex-start;}
.check-num{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  background:var(--teal-soft);color:var(--teal-deep);
  font-size:13px;font-weight:800;display:grid;place-items:center;
}
.check-item b{display:block;font-size:14.5px;color:var(--ink);font-weight:700;}
.check-item span{font-size:13.5px;color:var(--muted);line-height:1.7;}
.panel-note{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line-strong);
  font-size:13px;color:var(--muted);line-height:1.7;
}

/* ------- sections ------- */
.section{padding:60px 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.section-title{font-size:clamp(21px,2.4vw,27px);font-weight:800;letter-spacing:-.2px;position:relative;padding-left:16px;line-height:1.4;}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:4px;
  background:linear-gradient(180deg,var(--teal),#37c1b4);
}
.section-sub{font-size:14.5px;color:var(--muted);max-width:52ch;line-height:1.75;}

/* pain */
.pain-layout{display:grid;grid-template-columns:.86fr 1.14fr;gap:34px;align-items:start;}
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.pain-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow-sm);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.pain-icon{width:34px;height:34px;border-radius:10px;background:var(--teal-soft);color:var(--teal-deep);display:grid;place-items:center;margin-bottom:11px;}
.pain-icon svg{width:18px;height:18px;}
.pain-card h3{font-size:15.5px;font-weight:700;margin-bottom:6px;}
.pain-card p{font-size:14px;color:var(--muted);line-height:1.75;}

/* split image */
.split{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center;}
.figure-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line);}
.figure-card img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.figure-card figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
  background:linear-gradient(180deg,rgba(11,32,41,0),rgba(11,32,41,.82));
  color:#e8f6f5;font-size:13px;line-height:1.6;
}
.split-body p{font-size:15px;color:#3d5c69;margin-bottom:16px;line-height:1.85;}
.rule-list{display:grid;gap:12px;margin-bottom:22px;}
.rule-item{display:flex;gap:11px;align-items:flex-start;}
.rule-item b{font-size:14.5px;color:var(--ink);}
.rule-item p{font-size:13.8px;color:var(--muted);margin:0;}
.bullet{
  flex:0 0 auto;margin-top:6px;width:8px;height:8px;border-radius:50%;
  background:var(--teal);box-shadow:0 0 0 4px rgba(15,138,131,.13);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;color:var(--coral-deep);
  background:#fff2ec;border:1px solid #ffd6c4;padding:4px 11px;border-radius:999px;
}

/* steps */
.step-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.step-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 22px 20px;box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--teal);}
.step-num{
  font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--teal);
  display:inline-flex;align-items:center;gap:8px;margin-bottom:10px;
}
.step-num::after{content:"";width:34px;height:2px;background:var(--line-strong);border-radius:2px;}
.step-card h3{font-size:17px;font-weight:800;margin-bottom:8px;}
.step-card p{font-size:14.2px;color:var(--muted);line-height:1.78;}
.step-foot{margin-top:12px;font-size:13px;color:var(--teal-deep);font-weight:600;}

/* stats */
.stat-band{
  border-radius:var(--radius-lg);overflow:hidden;
  background-image:linear-gradient(112deg,rgba(6,35,44,.96),rgba(9,66,72,.9) 55%,rgba(11,101,96,.72)),
    url(/assets/images/fe551cd0b0b15ad3.webp);
  background-size:cover;background-position:center;
  padding:38px 34px;color:#fff;box-shadow:var(--shadow-lg);
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-item{border-left:2px solid rgba(255,255,255,.22);padding-left:16px;}
.stat-value{font-size:30px;font-weight:800;letter-spacing:-.5px;color:#9ff0e8;line-height:1.2;}
.stat-label{font-size:13.6px;color:#cfe6e7;margin-top:6px;line-height:1.7;}
.stat-quote{
  margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.18);
  font-size:15px;color:#e6f5f4;line-height:1.85;max-width:70ch;
}
.stat-quote b{color:#ffd0b4;}

/* audience */
.audience{display:grid;gap:14px;}
.audience-row{
  display:grid;grid-template-columns:190px 1fr auto;gap:20px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 22px;box-shadow:var(--shadow-sm);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.audience-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.audience-row h3{font-size:16px;font-weight:800;}
.audience-row h3 span{display:block;font-size:12.5px;font-weight:600;color:var(--teal);letter-spacing:.05em;margin-top:3px;}
.audience-row p{font-size:14px;color:var(--muted);line-height:1.75;}
.audience-tag{
  font-size:12.5px;font-weight:700;color:var(--teal-deep);background:var(--teal-soft);
  border:1px solid #c8e6e3;padding:5px 12px;border-radius:999px;white-space:nowrap;
}

/* table */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow-x:auto;
}
.route-table th{
  text-align:left;font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--teal-deep);
  background:var(--teal-soft);padding:14px 18px;border-bottom:1px solid #cfe7e5;white-space:nowrap;
}
.route-table td{
  font-size:14px;color:#3d5c69;padding:15px 18px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.72;
}
.route-table tbody tr{transition:background var(--t);}
.route-table tbody tr:hover{background:#f7fdfd;}
.route-table tbody tr:last-child td{border-bottom:0;}
.route-table td:first-child{font-weight:700;color:var(--ink);white-space:nowrap;}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.news-thumb{display:block;overflow:hidden;background:#eaf3f4;}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);flex-wrap:wrap;}
.tag{
  display:inline-flex;align-items:center;font-size:12px;font-weight:700;
  color:var(--teal-deep);background:var(--teal-soft);border:1px solid #cfe7e5;
  padding:3px 10px;border-radius:999px;
}
.news-title{font-size:15.6px;font-weight:800;line-height:1.55;}
.news-title a{transition:color var(--t);}
.news-title a:hover{color:var(--teal-deep);}
.news-excerpt{font-size:13.6px;color:var(--muted);line-height:1.75;}
.news-empty{
  text-align:center;font-size:15px;color:var(--muted);
  background:#fff;border:1px dashed var(--line-strong);border-radius:var(--radius);padding:34px 20px;
}

/* faq */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item[open]{border-color:var(--teal);box-shadow:var(--shadow-md);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;
  font-size:15.6px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:24px;height:24px;border-radius:8px;
  display:grid;place-items:center;font-size:16px;font-weight:700;
  color:var(--teal-deep);background:var(--teal-soft);transition:transform var(--t),background var(--t);
}
.faq-item[open] summary::after{content:"–";background:var(--teal);color:#fff;}
.faq-body{padding:0 22px 20px;font-size:14.4px;color:#3d5c69;line-height:1.85;}

/* cta */
.cta-band{
  border-radius:var(--radius-lg);overflow:hidden;color:#fff;
  padding:44px 38px;
  background-image:linear-gradient(110deg,rgba(8,34,44,.95),rgba(10,74,78,.86) 58%,rgba(15,138,131,.7)),
    url(/assets/images/5466da5d15b96ba0.webp);
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-lg);
  display:grid;grid-template-columns:1.4fr auto;gap:26px;align-items:center;
}
.cta-band h2{font-size:clamp(20px,2.5vw,28px);font-weight:800;margin-bottom:10px;letter-spacing:-.3px;}
.cta-band p{font-size:14.6px;color:#d5eceb;max-width:58ch;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* footer */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:36px;}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand p{color:var(--muted);font-size:14px;max-width:38ch;line-height:1.8;}
.footer-title{font-size:15px;font-weight:700;margin-bottom:14px;color:var(--ink);}
.footer-links{display:grid;gap:9px;}
.footer-links a{color:var(--muted);font-size:14px;transition:color var(--t);}
.footer-links a:hover{color:var(--teal-deep);}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}

/* responsive */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;}
  .pain-layout{grid-template-columns:1fr;gap:24px;}
  .split{grid-template-columns:1fr;gap:24px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:18px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:34px 26px;}
  .audience-row{grid-template-columns:1fr;gap:8px;}
  .audience-tag{justify-self:start;}
}
@media (max-width:860px){
  .nav-links{
    display:none;position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:14px 20px 20px;box-shadow:var(--shadow-md);
  }
  .nav-links.is-open{display:flex;}
  .nav-link{height:44px;justify-content:flex-start;border-radius:10px;}
  .nav-actions{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{gap:12px;}
  .logo{font-size:15.5px;}
}
@media (max-width:768px){
  .section{padding:46px 0;}
  .page-hero{padding:34px 0 44px;}
  .step-grid{grid-template-columns:1fr;}
  .pain-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .container{padding:0 18px;}
}
@media (max-width:520px){
  .page-title{font-size:26px;}
  .stat-band{padding:28px 20px;}
  .stat-value{font-size:26px;}
  .hero-actions .btn,.cta-actions .btn{width:100%;}
  .news-body{padding:14px;}
  .route-table th,.route-table td{padding:12px;}
}

/* roulang page: category3 */
:root{
 --ink:#0b2029;
 --ink-soft:#16394a;
 --teal:#0f8a83;
 --teal-deep:#0a6660;
 --teal-soft:#e3f2f1;
 --coral:#f2713c;
 --coral-deep:#d95a29;
 --coral-soft:#fdece4;
 --bg:#f3f8f9;
 --surface:#ffffff;
 --line:#dde9ec;
 --line-strong:#c3dde0;
 --muted:#5f7885;
 --radius:14px;
 --radius-sm:10px;
 --radius-lg:20px;
 --shadow-sm:0 2px 10px rgba(11,32,41,.06);
 --shadow-md:0 14px 32px rgba(11,32,41,.10);
 --shadow-lg:0 24px 52px rgba(11,32,41,.18);
 --container:1180px;
 --t:.22s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--ink);
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;height:auto;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(255,255,255,.94);
 backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
 transition:box-shadow var(--t),background var(--t);
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(11,32,41,.09);}
.header-inner{display:flex;align-items:center;gap:26px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.2px;color:var(--ink);white-space:nowrap;}
.logo-mark{
 width:36px;height:36px;border-radius:11px;flex:0 0 auto;
 background:linear-gradient(135deg,#0f8a83,#14b3a6);
 display:grid;place-items:center;color:#fff;
 box-shadow:0 6px 14px rgba(15,138,131,.32);
}
.logo-mark svg{width:20px;height:20px;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
 display:inline-flex;align-items:center;height:38px;padding:0 15px;border-radius:999px;
 font-size:15px;font-weight:500;color:#33525f;transition:background var(--t),color var(--t);
}
.nav-link:hover{background:var(--teal-soft);color:var(--teal-deep);}
.nav-link.is-active{background:var(--teal);color:#fff;box-shadow:0 6px 16px rgba(15,138,131,.28);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:14px;}
.nav-toggle{
 display:none;width:42px;height:40px;border-radius:10px;border:1px solid var(--line-strong);
 align-items:center;justify-content:center;background:#fff;margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 min-height:44px;padding:0 22px;border-radius:9px;font-size:15px;font-weight:600;
 transition:transform var(--t),background var(--t),box-shadow var(--t),border-color var(--t),color var(--t);
 border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(242,113,60,.28);}
.btn-primary:hover{background:var(--coral-deep);transform:translateY(-2px);box-shadow:0 12px 24px rgba(242,113,60,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{border-color:var(--line-strong);color:var(--ink);background:#fff;}
.btn-outline:hover{border-color:var(--teal);color:var(--teal-deep);transform:translateY(-2px);background:#f7fdfd;}
.btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:8px;}
/* ---------- category hero ---------- */
.cat-hero{
 padding:46px 0 58px;
 background:
 radial-gradient(760px 380px at 6% -10%, #d9f2ef 0%, rgba(217,242,239,0) 62%),
 radial-gradient(680px 360px at 96% -6%, #ffe6db 0%, rgba(255,230,219,0) 60%),
 var(--bg);
 border-bottom:1px solid var(--line);
}
.cat-hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:34px;align-items:center;}
.cat-eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;letter-spacing:.1em;font-weight:700;color:var(--teal-deep);
 background:#fff;border:1px solid var(--line-strong);border-radius:999px;padding:6px 14px;
}
.cat-title{font-size:40px;line-height:1.26;font-weight:800;letter-spacing:-.5px;margin:16px 0 16px;}
.cat-title em{font-style:normal;color:var(--teal-deep);}
.cat-lead{font-size:15.5px;color:#3d5b68;max-width:60ch;margin-bottom:20px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;}
.chip{
 display:inline-flex;align-items:center;gap:6px;
 font-size:13px;font-weight:600;color:var(--teal-deep);
 background:#fff;border:1px solid var(--line-strong);
 padding:6px 13px;border-radius:999px;
}
.chip-coral{color:var(--coral-deep);border-color:#f6cdb9;background:#fff8f4;}
.cat-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.cat-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;border-top:1px dashed var(--line-strong);padding-top:18px;}
.stat-num{font-size:26px;font-weight:800;color:var(--teal-deep);line-height:1.2;}
.stat-label{font-size:13px;color:var(--muted);margin-top:2px;}
.cat-hero-media{
 position:relative;border-radius:var(--radius-lg);overflow:hidden;
 border:1px solid var(--line);box-shadow:var(--shadow-md);background:#0b2029;
}
.cat-hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.media-caption{
 position:absolute;left:0;right:0;bottom:0;padding:34px 20px 16px;color:#fff;font-size:13.5px;line-height:1.7;
 background:linear-gradient(180deg,rgba(5,28,38,0) 0%,rgba(5,28,38,.88) 100%);
}
.media-caption strong{color:#9dece2;}
/* ---------- sections ---------- */
.section{padding:64px 0;}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--ink{background:linear-gradient(180deg,#0b2029 0%,#0d2b35 100%);color:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:30px;}
.section-eyebrow{
 display:flex;align-items:center;gap:9px;
 font-size:12.5px;letter-spacing:.14em;font-weight:700;color:var(--teal-deep);
}
.section-eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--teal);}
.section--ink .section-eyebrow{color:#7fe3d8;}
.section--ink .section-eyebrow::before{background:#7fe3d8;}
.section-title{font-size:28px;font-weight:800;letter-spacing:-.3px;margin-top:10px;line-height:1.35;}
.section-sub{font-size:14.5px;color:var(--muted);max-width:58ch;margin-top:8px;}
.section--ink .section-sub{color:#b8cfd6;}
.section-link{font-size:14px;font-weight:600;color:var(--teal-deep);border-bottom:1px solid rgba(15,138,131,.35);padding-bottom:2px;transition:color var(--t),border-color var(--t);}
.section-link:hover{color:var(--coral-deep);border-color:var(--coral);}
/* ---------- grids ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
/* ---------- fish cards ---------- */
.fish-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow-sm);
 transition:transform var(--t),box-shadow var(--t),border-color var(--t);
 display:flex;flex-direction:column;
}
.fish-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.fish-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.fish-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.fish-name{font-size:17px;font-weight:700;line-height:1.4;}
.fish-meta{font-size:12.5px;color:var(--muted);letter-spacing:.02em;}
.fish-desc{font-size:13.5px;color:var(--ink-soft);line-height:1.75;}
.fish-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}
.tag{display:inline-flex;align-items:center;font-size:12px;font-weight:600;color:var(--teal-deep);background:var(--teal-soft);border-radius:999px;padding:3px 10px;}
.tag-coral{color:var(--coral-deep);background:var(--coral-soft);}
/* ---------- power rows ---------- */
.power-list{display:grid;gap:12px;}
.power-row{
 display:grid;grid-template-columns:64px 1fr 130px;gap:18px;align-items:center;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
 padding:14px 18px;transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.power-row:hover{border-color:var(--teal);box-shadow:var(--shadow-sm);transform:translateY(-2px);}
.power-badge{
 width:54px;height:54px;border-radius:12px;display:grid;place-items:center;
 background:linear-gradient(135deg,#0f8a83,#14b3a6);color:#fff;font-weight:800;font-size:18px;
 box-shadow:0 6px 14px rgba(15,138,131,.26);
}
.power-badge.is-hot{background:linear-gradient(135deg,#f2713c,#d95a29);box-shadow:0 6px 14px rgba(242,113,60,.3);}
.power-name{font-size:15.5px;font-weight:700;}
.power-desc{font-size:13.5px;color:var(--muted);margin-top:2px;}
.power-bar{height:8px;border-radius:999px;background:#eaf1f2;overflow:hidden;margin-top:9px;}
.power-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#0f8a83,#f2713c);}
.power-cost{text-align:right;font-size:12.5px;color:var(--muted);line-height:1.5;}
.power-cost strong{display:block;font-size:19px;color:var(--ink);font-weight:800;}
/* ---------- pattern cards ---------- */
.pattern-card{
 display:flex;gap:14px;align-items:flex-start;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:20px;box-shadow:var(--shadow-sm);
 transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.pattern-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.pattern-icon{
 flex:0 0 auto;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 background:var(--teal-soft);color:var(--teal-deep);
}
.pattern-icon svg{width:22px;height:22px;}
.pattern-title{font-size:16px;font-weight:700;margin-bottom:6px;}
.pattern-desc{font-size:13.5px;color:var(--ink-soft);line-height:1.75;}
/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.step{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 20px 22px;box-shadow:var(--shadow-sm);
 transition:transform var(--t),box-shadow var(--t);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.step-num{
 width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
 background:var(--coral);color:#fff;font-size:13px;font-weight:800;margin-bottom:12px;
}
.step-title{font-size:16px;font-weight:700;margin-bottom:6px;}
.step-desc{font-size:13.5px;color:var(--ink-soft);line-height:1.75;}
/* ---------- metrics ---------- */
.metrics{
 display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-lg);padding:34px;
}
.metric strong{display:block;font-size:32px;font-weight:800;color:#7fe3d8;line-height:1.2;}
.metric span{display:block;font-size:13.5px;color:#b8cfd6;margin-top:6px;}
/* ---------- quotes ---------- */
.quote-card{
 background:#fff;border:1px solid var(--line);border-left:3px solid var(--teal);
 border-radius:var(--radius-sm);padding:20px 22px;box-shadow:var(--shadow-sm);
 transition:transform var(--t),box-shadow var(--t);
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.quote-text{font-size:14.5px;color:var(--ink-soft);line-height:1.85;}
.quote-author{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--muted);}
.avatar{
 width:32px;height:32px;border-radius:50%;display:grid;place-items:center;
 background:var(--teal-soft);color:var(--teal-deep);font-size:13px;font-weight:700;
}
/* ---------- channels ---------- */
.channel-card{
 display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow-sm);
 transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--teal);}
.channel-kicker{font-size:12px;letter-spacing:.12em;font-weight:700;color:var(--coral-deep);}
.channel-title{font-size:17px;font-weight:700;margin:8px 0 6px;}
.channel-desc{font-size:13.5px;color:var(--muted);line-height:1.75;}
.channel-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13.5px;font-weight:600;color:var(--teal-deep);}
/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.news-card{
 display:flex;flex-direction:column;gap:8px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:20px;box-shadow:var(--shadow-sm);min-height:100%;
 transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.news-cat{font-size:12px;font-weight:700;color:var(--teal-deep);background:var(--teal-soft);border-radius:999px;padding:3px 10px;align-self:flex-start;}
.news-title{font-size:15.5px;font-weight:700;line-height:1.55;}
.news-excerpt{font-size:13.5px;color:var(--ink-soft);line-height:1.75;}
.news-meta{font-size:12.5px;color:var(--muted);margin-top:auto;padding-top:8px;}
.news-empty{
 background:#fff;border:1px dashed var(--line-strong);border-radius:var(--radius);
 padding:32px;text-align:center;color:var(--muted);font-size:14px;
}
/* ---------- cta band ---------- */
.cta-band{
 background:linear-gradient(118deg,#0b2029 0%,#0a6660 100%);
 color:#fff;border-radius:var(--radius-lg);padding:44px;
 display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
 box-shadow:var(--shadow-lg);
}
.cta-band h2{font-size:26px;font-weight:800;line-height:1.4;margin-bottom:10px;}
.cta-band p{font-size:14.5px;color:#c6dee2;max-width:56ch;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
/* ---------- footer ---------- */
.site-footer{background:#0b2029;color:#c3d6dc;padding:56px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand .logo{color:#fff;}
.footer-brand p{font-size:13.5px;line-height:1.85;color:#9fb8c0;margin-top:14px;max-width:38ch;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.04em;}
.footer-links{display:grid;gap:9px;}
.footer-links a{font-size:13.5px;color:#a9c1c9;transition:color var(--t),padding-left var(--t);}
.footer-links a:hover{color:#7fe3d8;padding-left:4px;}
.footer-bottom{
 display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
 padding-top:20px;font-size:12.5px;color:#8aa5ae;
}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .cat-hero-grid{grid-template-columns:1fr;}
 .cat-hero-media{max-width:620px;}
 .grid-4{grid-template-columns:repeat(2,1fr);}
 .steps{grid-template-columns:repeat(2,1fr);}
 .metrics{grid-template-columns:repeat(2,1fr);}
 .news-grid{grid-template-columns:repeat(2,1fr);}
 .grid-3{grid-template-columns:repeat(2,1fr);}
 .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:960px){
 .header-inner{height:60px;gap:12px;}
 .nav-links{
 display:none;position:absolute;top:60px;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;
 background:#fff;border-bottom:1px solid var(--line);padding:12px 24px 18px;box-shadow:var(--shadow-md);
 }
 .nav-links.is-open{display:flex;}
 .nav-link{height:44px;justify-content:flex-start;border-radius:10px;}
 .nav-actions{display:none;}
 .nav-toggle{display:inline-flex;}
 .logo{font-size:15.5px;}
}
@media (max-width:768px){
 .container{padding:0 18px;}
 .cat-hero{padding:34px 0 44px;}
 .cat-title{font-size:30px;}
 .cat-lead{font-size:14.5px;}
 .section{padding:48px 0;}
 .section-title{font-size:23px;}
 .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
 .steps{grid-template-columns:1fr;}
 .news-grid{grid-template-columns:1fr;}
 .power-row{grid-template-columns:56px 1fr;row-gap:10px;}
 .power-badge{width:48px;height:48px;font-size:16px;}
 .power-cost{grid-column:2;text-align:left;display:flex;align-items:baseline;gap:10px;}
 .power-cost strong{font-size:16px;}
 .metrics{padding:24px;gap:18px;}
 .cta-band{padding:28px;border-radius:var(--radius);}
 .cta-band h2{font-size:22px;}
 .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:26px;}
}
@media (max-width:520px){
 .cat-title{font-size:26px;}
 .cat-stats{grid-template-columns:1fr 1fr;}
 .stat-num{font-size:22px;}
 .metrics{grid-template-columns:1fr;}
 .btn{width:100%;}
 .cat-actions .btn,.cta-actions .btn{width:100%;}
 .nav-actions .btn{width:auto;}
}

/* roulang page: category2 */
:root{
  --ink:#0b2029;
  --ink-soft:#16394a;
  --teal:#0f8a83;
  --teal-deep:#0a6660;
  --teal-soft:#e3f2f1;
  --coral:#f2713c;
  --coral-deep:#d95a29;
  --bg:#f3f8f9;
  --surface:#ffffff;
  --line:#dde9ec;
  --line-strong:#c3dde0;
  --muted:#5f7885;
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:20px;
  --shadow-sm:0 2px 10px rgba(11,32,41,.06);
  --shadow-md:0 14px 32px rgba(11,32,41,.10);
  --shadow-lg:0 24px 52px rgba(11,32,41,.18);
  --container:1180px;
  --t:.22s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
html body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:3px solid rgba(15,138,131,.45);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
/* ------- header ------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(11,32,41,.09);}
.header-inner{display:flex;align-items:center;gap:26px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.2px;color:var(--ink);white-space:nowrap;}
.logo-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,#0f8a83,#14b3a6);
  display:grid;place-items:center;color:#fff;
  box-shadow:0 6px 14px rgba(15,138,131,.32);
}
.logo-mark svg{width:20px;height:20px;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  display:inline-flex;align-items:center;height:38px;padding:0 15px;border-radius:999px;
  font-size:15px;font-weight:500;color:#33525f;transition:background var(--t),color var(--t);
}
.nav-link:hover{background:var(--teal-soft);color:var(--teal-deep);}
.nav-link.is-active{background:var(--teal);color:#fff;box-shadow:0 6px 16px rgba(15,138,131,.28);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:14px;}
.nav-toggle{
  display:none;width:42px;height:40px;border-radius:10px;border:1px solid var(--line-strong);
  align-items:center;justify-content:center;background:#fff;margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
/* ------- buttons ------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:9px;font-size:15px;font-weight:600;
  transition:transform var(--t),background var(--t),box-shadow var(--t),border-color var(--t),color var(--t);
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(242,113,60,.28);}
.btn-primary:hover{background:var(--coral-deep);transform:translateY(-2px);box-shadow:0 12px 24px rgba(242,113,60,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{border-color:var(--line-strong);color:var(--ink);background:#fff;}
.btn-outline:hover{border-color:var(--teal);color:var(--teal-deep);transform:translateY(-2px);background:#f7fdfd;}
.btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:8px;}
/* ------- page hero ------- */
.page-hero{
  position:relative;
  padding:52px 0 64px;
  background:
    radial-gradient(820px 400px at 6% -14%, #d8f1ef 0%, rgba(216,241,239,0) 64%),
    radial-gradient(680px 380px at 96% -6%, #ffe5d9 0%, rgba(255,229,217,0) 60%),
    var(--bg);
}
.hero-wrap{display:grid;grid-template-columns:1.36fr .74fr;gap:38px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.1em;
  color:var(--teal-deep);background:var(--teal-soft);
  border:1px solid #cfe8e6;padding:6px 14px;border-radius:999px;
}
.hero-h1{font-size:clamp(28px,3.6vw,42px);line-height:1.26;font-weight:800;letter-spacing:-.5px;margin:18px 0 14px;}
.hero-h1 em{font-style:normal;color:var(--teal-deep);}
.hero-sub{font-size:16px;color:var(--ink-soft);line-height:1.85;max-width:60ch;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--teal-deep);
  background:#fff;border:1px solid var(--line-strong);
  padding:6px 13px;border-radius:999px;
  transition:border-color var(--t),color var(--t),transform var(--t);
}
.tag:hover{border-color:var(--teal);color:var(--teal);transform:translateY(-2px);}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;}
.hero-note{margin-top:18px;font-size:13px;color:var(--muted);}
.hero-note b{color:var(--coral-deep);font-weight:700;}
/* short vertical media card */
.short-card{
  position:relative;overflow:hidden;border-radius:22px;
  width:100%;max-width:320px;aspect-ratio:9/16;margin-left:auto;
  box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.5);
  background:#0b2029;
}
.short-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.short-card:hover img{transform:scale(1.04);}
.short-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,26,34,.06) 28%,rgba(6,26,34,.86) 100%);
}
.short-top{position:absolute;top:14px;left:14px;right:14px;display:flex;justify-content:space-between;align-items:center;z-index:2;}
.pill-live{
  display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;
  color:#fff;background:rgba(242,113,60,.92);padding:4px 10px;border-radius:999px;
}
.pill-live i{width:6px;height:6px;border-radius:50%;background:#fff;display:block;}
.pill-soft{
  font-size:11.5px;font-weight:600;color:#eaf9f9;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.3);
  padding:4px 10px;border-radius:999px;
}
.play-btn{
  position:absolute;top:47%;left:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.92);
  display:grid;place-items:center;z-index:2;color:var(--teal-deep);
  box-shadow:0 12px 26px rgba(0,0,0,.3);transition:transform var(--t),background var(--t);
}
.short-card:hover .play-btn{transform:translate(-50%,-50%) scale(1.07);background:#fff;}
.short-bottom{position:absolute;left:16px;right:16px;bottom:16px;z-index:2;color:#fff;}
.short-caption{font-size:14px;font-weight:700;line-height:1.5;}
.short-line{font-size:12.5px;color:#cfe6e8;margin-top:6px;line-height:1.6;}
/* ------- sections ------- */
.section{padding:64px 0;}
.section--alt{background:#eaf4f5;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--dark{
  background:linear-gradient(120deg,#07222b 0%,#0a3b45 55%,#0d5a58 100%);
  color:#fff;
}
.section-head{max-width:720px;margin-bottom:34px;}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:.12em;
  color:var(--teal-deep);margin-bottom:10px;
}
.section-eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--coral);}
.section-title{font-size:clamp(23px,2.6vw,30px);font-weight:800;letter-spacing:-.3px;line-height:1.36;}
.section-desc{margin-top:10px;color:var(--muted);font-size:15px;line-height:1.85;}
.section--dark .section-title{color:#fff;}
.section--dark .section-desc{color:#bcdadd;}
.section--dark .section-eyebrow{color:#8fe0d8;}
/* ------- grids & cards ------- */
.grid{display:grid;gap:18px;}
.g2{grid-template-columns:repeat(2,1fr);}
.g3{grid-template-columns:repeat(3,1fr);}
.g4{grid-template-columns:repeat(4,1fr);}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-sm);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.card-num{display:block;font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--coral);margin-bottom:10px;}
.card-title{font-size:17px;font-weight:700;margin-bottom:8px;line-height:1.5;}
.card-text{font-size:14.5px;color:var(--muted);line-height:1.8;}
.icon-box{
  width:42px;height:42px;border-radius:12px;background:var(--teal-soft);
  color:var(--teal-deep);display:grid;place-items:center;margin-bottom:14px;
  transition:background var(--t),color var(--t);
}
.icon-box svg{width:21px;height:21px;}
.card:hover .icon-box{background:var(--teal);color:#fff;}
.media-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.media-card img{width:100%;height:168px;object-fit:cover;}
.media-card .body{padding:18px 20px 22px;}
.media-card .card-title{font-size:16.5px;}
.mini-tag{
  display:inline-flex;font-size:12px;font-weight:600;color:var(--teal-deep);
  background:var(--teal-soft);padding:3px 10px;border-radius:999px;margin-bottom:10px;
}
/* ------- timeline ------- */
.split{display:grid;grid-template-columns:.86fr 1.14fr;gap:44px;align-items:start;}
.timeline{border-left:2px solid var(--line-strong);margin-left:6px;}
.t-item{position:relative;padding:0 0 26px 24px;}
.t-item:last-child{padding-bottom:0;}
.t-item::before{
  content:"";position:absolute;left:-8px;top:7px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--teal);
}
.t-stage{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--teal-deep);}
.t-title{font-size:17px;font-weight:700;margin:4px 0 6px;}
.t-text{font-size:14.5px;color:var(--muted);line-height:1.8;}
.side-note{
  margin-top:26px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--coral);
  border-radius:var(--radius-sm);padding:16px 18px;box-shadow:var(--shadow-sm);
  font-size:14px;color:var(--ink-soft);line-height:1.8;
}
.side-note b{color:var(--coral-deep);}
/* ------- spec list ------- */
.spec{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);}
.spec-head,.spec-row{display:grid;grid-template-columns:1.05fr .85fr 1.3fr 1.05fr;gap:14px;padding:14px 22px;align-items:center;}
.spec-head{background:var(--teal-soft);font-size:12.5px;font-weight:700;letter-spacing:.05em;color:var(--teal-deep);}
.spec-row{border-top:1px solid var(--line);font-size:14.5px;color:var(--ink-soft);transition:background var(--t);}
.spec-row:hover{background:#f7fdfd;}
.spec-row .level{font-weight:700;color:var(--ink);}
.spec-row b{color:var(--coral-deep);font-size:16px;font-weight:800;}
.spec-foot{margin-top:14px;font-size:13.5px;color:var(--muted);}
/* ------- steps ------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;box-shadow:var(--shadow-sm);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.step-no{
  width:34px;height:34px;border-radius:10px;background:var(--ink);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:14px;margin-bottom:14px;
  transition:background var(--t);
}
.step:hover .step-no{background:var(--coral);}
.step h3{font-size:16px;font-weight:700;margin-bottom:6px;}
.step p{font-size:14px;color:var(--muted);line-height:1.78;}
/* ------- metrics ------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:rgba(255,255,255,.16);border-radius:var(--radius);overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
}
.metric{background:#0b323b;padding:24px 20px;text-align:center;}
.metric-num{font-size:30px;font-weight:800;color:#ffd0b4;line-height:1.2;}
.metric-label{font-size:13.5px;color:#bcdadd;margin-top:6px;}
/* ------- news ------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.news-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow-sm);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.news-tag{
  display:inline-flex;font-size:12px;font-weight:600;color:var(--teal-deep);
  background:var(--teal-soft);padding:3px 10px;border-radius:999px;margin-bottom:10px;
}
.news-title{font-size:16.5px;font-weight:700;line-height:1.55;margin-bottom:6px;}
.news-text{
  font-size:14px;color:var(--muted);line-height:1.72;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:block;margin-top:12px;font-size:12.5px;color:#8aa1ab;}
.news-empty{
  background:#fff;border:1px dashed var(--line-strong);border-radius:var(--radius);
  padding:28px;text-align:center;color:var(--muted);font-size:14.5px;
}
/* ------- faq & cta ------- */
.faq{display:grid;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 20px;box-shadow:var(--shadow-sm);
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow-md);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 32px 16px 0;
  font-weight:700;font-size:15.5px;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:0;top:13px;font-size:20px;font-weight:400;
  color:var(--teal);transition:transform var(--t);
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 0 18px;font-size:14.5px;color:var(--muted);line-height:1.85;}
.cta-band{
  margin-top:36px;background:linear-gradient(112deg,#0a3b45 0%,#0f8a83 100%);
  border-radius:var(--radius-lg);padding:34px 36px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:var(--shadow-lg);
}
.cta-band h3{font-size:22px;font-weight:800;margin-bottom:8px;line-height:1.4;}
.cta-band p{font-size:14.5px;color:#cfe9ea;line-height:1.8;max-width:52ch;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}
/* ------- footer ------- */
.site-footer{background:#08222b;color:#c6dcdf;padding:52px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;
  padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .logo{color:#fff;margin-bottom:14px;}
.footer-brand p{font-size:14px;color:#9db9be;max-width:44ch;line-height:1.85;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-links{display:grid;gap:9px;font-size:14px;}
.footer-links a{color:#a9c3c7;transition:color var(--t);}
.footer-links a:hover{color:#ffd0b4;}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  padding:18px 0;font-size:13px;color:#8ba7ac;
}
/* ------- responsive ------- */
@media (max-width:1024px){
  .hero-wrap{grid-template-columns:1fr;gap:30px;}
  .short-card{margin:0 auto;max-width:300px;}
  .g4{grid-template-columns:repeat(2,1fr);}
  .g3{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:28px;}
  .spec-head{display:none;}
  .spec-row{grid-template-columns:1fr 1fr;gap:8px 16px;padding:16px 20px;}
}
@media (max-width:980px){
  .nav-links{
    position:fixed;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:12px 18px 18px;box-shadow:var(--shadow-md);display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-link{height:44px;border-radius:10px;justify-content:flex-start;}
  .nav-actions{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{gap:12px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .page-hero{padding:36px 0 48px;}
  .g2,.g3,.g4{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}
@media (max-width:520px){
  .hero-h1{font-size:26px;}
  .hero-cta .btn{width:100%;}
  .short-card{max-width:100%;aspect-ratio:4/5;}
  .media-card img{height:180px;}
  .spec-row{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}