/* roulang page: index */
:root{
      --bg:#090c0f;
      --bg-soft:#11161b;
      --bg-card:#151b21;
      --bg-card-2:#10151a;
      --text:#edf4f2;
      --muted:#a5b3b0;
      --weak:#71817e;
      --line:rgba(217,255,246,.14);
      --line-strong:rgba(42,245,195,.35);
      --primary:#2af5c3;
      --primary-2:#13cfa2;
      --amber:#ffb94e;
      --amber-2:#d68b22;
      --danger:#ff6f6f;
      --radius-sm:10px;
      --radius:16px;
      --radius-lg:24px;
      --shadow:0 18px 50px rgba(0,0,0,.34);
      --shadow-soft:0 12px 30px rgba(0,0,0,.22);
      --container:1180px;
      --header-h:76px;
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 18% 8%,rgba(42,245,195,.12),transparent 28%),
        radial-gradient(circle at 84% 14%,rgba(255,185,78,.10),transparent 26%),
        linear-gradient(180deg,#07090c 0%,#0a0d10 46%,#080b0d 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      z-index:-2;
      pointer-events:none;
      opacity:.18;
      background-image:
        linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
      background-size:48px 48px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,.28));
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:var(--header-h);
      border-bottom:1px solid var(--line);
      background:rgba(8,12,15,.82);
      backdrop-filter:blur(18px);
    }
    .nav-wrap{
      height:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:220px;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#04110e;
      font-weight:900;
      letter-spacing:-1px;
      background:
        linear-gradient(135deg,var(--primary),#b9ffe9 60%,var(--amber));
      box-shadow:0 0 0 1px rgba(255,255,255,.16),0 10px 24px rgba(42,245,195,.18);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.15}
    .brand-name{font-size:17px;font-weight:850;letter-spacing:.2px}
    .brand-sub{font-size:12px;color:var(--muted);margin-top:3px}
    .main-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      flex:1;
    }
    .main-nav a{
      padding:10px 15px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      border:1px solid transparent;
      transition:.22s ease;
    }
    .main-nav a:hover,
    .main-nav a:focus{
      color:var(--text);
      border-color:var(--line);
      background:rgba(255,255,255,.045);
      outline:none;
    }
    .main-nav a.active{
      color:#06110f;
      background:var(--primary);
      border-color:rgba(42,245,195,.8);
      font-weight:800;
    }
    .header-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid var(--line);
      color:var(--text);
      background:rgba(255,255,255,.04);
      transition:transform .22s ease,border-color .22s ease,background .22s ease,box-shadow .22s ease,color .22s ease;
      font-weight:750;
      white-space:nowrap;
    }
    .btn:hover,.btn:focus{
      transform:translateY(-2px);
      border-color:var(--line-strong);
      box-shadow:0 0 0 4px rgba(42,245,195,.08);
      outline:none;
    }
    .btn-primary{
      color:#06110f;
      background:linear-gradient(135deg,var(--primary),#8effdf);
      border-color:rgba(42,245,195,.75);
      box-shadow:0 14px 28px rgba(42,245,195,.16);
    }
    .btn-primary:hover{background:linear-gradient(135deg,#52ffd2,#c7ffee)}
    .btn-ghost{background:rgba(12,18,22,.76)}
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:12px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.04);
      color:var(--text);
    }
    .menu-toggle span{
      display:block;
      width:18px;
      height:2px;
      margin:4px auto;
      background:currentColor;
      border-radius:2px;
    }
    .hero{
      position:relative;
      min-height:720px;
      display:flex;
      align-items:center;
      padding:86px 0 34px;
      overflow:hidden;
      background-image:
        linear-gradient(90deg,rgba(7,10,12,.92) 0%,rgba(7,10,12,.78) 44%,rgba(7,10,12,.38) 100%),
        url("/assets/images/backpic/back-1.webp");
      background-size:cover;
      background-position:center;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:auto 0 0;
      height:210px;
      background:linear-gradient(180deg,transparent,var(--bg));
      pointer-events:none;
    }
    .hero-layout{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:46px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 12px;
      border:1px solid var(--line-strong);
      border-radius:999px;
      background:rgba(42,245,195,.08);
      color:#bcfff0;
      font-size:13px;
      font-weight:800;
      letter-spacing:.3px;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 18px var(--primary);
    }
    h1{
      margin:22px 0 18px;
      font-size:clamp(38px,5vw,72px);
      line-height:1.04;
      letter-spacing:-2.2px;
      font-weight:950;
    }
    .hero-title-accent{color:var(--primary)}
    .hero-lead{
      max-width:720px;
      margin:0 0 30px;
      color:#c4d1ce;
      font-size:18px;
      line-height:1.9;
    }
    .hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:24px}
    .quick-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:6px;
    }
    .tag,.badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:7px 11px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      color:#d7e4e1;
      font-size:13px;
      font-weight:700;
    }
    .tag.hot{border-color:rgba(255,185,78,.42);color:#ffe0a8;background:rgba(255,185,78,.09)}
    .hero-visual{
      position:relative;
      min-height:540px;
      border-radius:var(--radius-lg);
      overflow:hidden;
      border:1px solid rgba(255,255,255,.16);
      box-shadow:var(--shadow);
      background:#0b1014;
      transform:rotate(.4deg);
    }
    .hero-visual img{
      width:100%;
      height:540px;
      object-fit:cover;
      filter:saturate(.95) contrast(1.04);
      opacity:.88;
      transition:transform .6s ease;
    }
    .hero-visual:hover img{transform:scale(1.035)}
    .hero-visual::before{
      content:"";
      position:absolute;
      inset:0;
      z-index:1;
      background:
        linear-gradient(180deg,rgba(6,9,11,.18),rgba(6,9,11,.72)),
        linear-gradient(90deg,rgba(42,245,195,.18),transparent 52%);
    }
    .score-strip{
      position:absolute;
      z-index:2;
      left:22px;
      right:22px;
      bottom:22px;
      display:grid;
      grid-template-columns:1fr auto 1fr;
      align-items:center;
      gap:12px;
      padding:18px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.18);
      background:rgba(8,12,15,.72);
      backdrop-filter:blur(16px);
    }
    .team{
      display:flex;
      flex-direction:column;
      gap:5px;
    }
    .team strong{font-size:22px;letter-spacing:.5px}
    .team span{color:var(--muted);font-size:13px}
    .score-mid{
      color:#06110f;
      background:var(--primary);
      padding:9px 14px;
      border-radius:12px;
      font-weight:950;
      box-shadow:0 0 30px rgba(42,245,195,.20);
    }
    .data-bar{
      position:relative;
      z-index:2;
      margin-top:-30px;
    }
    .data-panel{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:1px;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--line);
      box-shadow:var(--shadow-soft);
    }
    .data-item{
      padding:22px 24px;
      background:rgba(17,22,27,.95);
    }
    .data-item b{
      display:block;
      color:var(--primary);
      font-size:28px;
      line-height:1.1;
      margin-bottom:6px;
    }
    .data-item span{color:var(--muted);font-size:14px}
    main{position:relative}
    .section{padding:92px 0}
    .section.compact{padding:70px 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:30px;
      margin-bottom:34px;
    }
    .section-kicker{
      color:var(--primary);
      font-weight:900;
      font-size:13px;
      letter-spacing:.14em;
      text-transform:uppercase;
      margin-bottom:10px;
    }
    h2{
      margin:0;
      font-size:clamp(28px,3.3vw,46px);
      line-height:1.18;
      letter-spacing:-1px;
      font-weight:950;
    }
    .section-desc{
      max-width:540px;
      margin:0;
      color:var(--muted);
      font-size:16px;
    }
    .focus-grid{
      display:grid;
      grid-template-columns:1.18fr .82fr;
      gap:22px;
    }
    .focus-side{
      display:grid;
      gap:22px;
    }
    .card{
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:linear-gradient(180deg,rgba(21,27,33,.96),rgba(13,18,22,.96));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:0 20px 44px rgba(0,0,0,.35);
    }
    .feature-card{
      min-height:520px;
      display:flex;
      flex-direction:column;
    }
    .card-media{
      position:relative;
      overflow:hidden;
      background:#10161b;
    }
    .feature-card .card-media{height:320px}
    .mini-card .card-media{height:160px}
    .card-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .55s ease;
    }
    .card:hover .card-media img{transform:scale(1.045)}
    .card-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent,rgba(8,12,15,.72));
    }
    .card-body{padding:24px}
    .card-title{
      margin:0 0 10px;
      font-size:24px;
      line-height:1.3;
      font-weight:900;
    }
    .mini-card .card-title{font-size:19px}
    .card-text{margin:0;color:var(--muted)}
    .card-meta{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      margin-top:18px;
      color:var(--weak);
      font-size:13px;
    }
    .topic-grid{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:20px;
    }
    .topic-card{
      min-height:260px;
      padding:26px;
      position:relative;
      overflow:hidden;
    }
    .topic-card.large{
      grid-column:span 2;
      background:
        linear-gradient(115deg,rgba(21,27,33,.98),rgba(11,15,18,.78)),
        url("/assets/images/backpic/back-2.webp");
      background-size:cover;
      background-position:center;
    }
    .topic-icon{
      width:48px;
      height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:rgba(42,245,195,.1);
      border:1px solid var(--line-strong);
      color:var(--primary);
      font-weight:950;
      margin-bottom:18px;
    }
    .topic-card h3{margin:0 0 10px;font-size:22px}
    .topic-card p{margin:0;color:var(--muted)}
    .topic-card .btn{margin-top:22px}
    .timeline-wrap{
      position:relative;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:34px;
      background:
        linear-gradient(180deg,rgba(16,21,26,.96),rgba(10,14,17,.96));
      overflow:hidden;
    }
    .timeline-wrap::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:88px;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--line-strong),transparent);
    }
    .timeline{
      position:relative;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:22px;
      z-index:1;
    }
    .time-node{
      padding:22px;
      border-radius:16px;
      border:1px solid var(--line);
      background:rgba(9,13,16,.72);
    }
    .time-dot{
      width:14px;
      height:14px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 18px var(--primary);
      margin-bottom:18px;
    }
    .time-node strong{display:block;font-size:18px;margin-bottom:8px}
    .time-node p{margin:0;color:var(--muted);font-size:14px}
    .article-section{
      background:
        linear-gradient(180deg,rgba(255,255,255,.02),transparent);
      border-top:1px solid rgba(255,255,255,.06);
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .article-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:20px;
    }
    .article-card .card-media{height:190px}
    .article-card .card-title{font-size:20px}
    .signal-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:22px;
      align-items:stretch;
    }
    .signal-panel{
      padding:30px;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:
        linear-gradient(145deg,rgba(42,245,195,.08),rgba(255,185,78,.05)),
        rgba(16,21,26,.96);
    }
    .signal-list{display:grid;gap:14px;margin:22px 0 0;padding:0;list-style:none}
    .signal-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px;
      border-radius:14px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(255,255,255,.08);
      color:#d7e4e1;
    }
    .check{
      flex:0 0 22px;
      width:22px;
      height:22px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#06110f;
      background:var(--primary);
      font-size:13px;
      font-weight:900;
      margin-top:2px;
    }
    .image-panel{
      position:relative;
      min-height:430px;
      border-radius:var(--radius-lg);
      overflow:hidden;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .image-panel img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
    .image-panel::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(8,12,15,.08),rgba(8,12,15,.82));
    }
    .image-caption{
      position:absolute;
      z-index:1;
      left:24px;
      right:24px;
      bottom:24px;
      padding:18px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(8,12,15,.68);
      backdrop-filter:blur(12px);
    }
    .image-caption strong{display:block;font-size:20px;margin-bottom:4px}
    .image-caption span{color:var(--muted);font-size:14px}
    .faq-list{
      display:grid;
      gap:14px;
      max-width:920px;
      margin:0 auto;
    }
    .faq-item{
      border:1px solid var(--line);
      border-radius:16px;
      background:rgba(17,22,27,.9);
      overflow:hidden;
    }
    .faq-q{
      width:100%;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:20px;
      padding:20px 22px;
      border:0;
      color:var(--text);
      background:transparent;
      text-align:left;
      font-weight:850;
    }
    .faq-q:focus{outline:2px solid rgba(42,245,195,.45);outline-offset:-2px}
    .faq-q .plus{
      width:28px;
      height:28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#06110f;
      background:var(--primary);
      flex:0 0 28px;
      transition:transform .22s ease;
    }
    .faq-a{
      display:none;
      padding:0 22px 20px;
      color:var(--muted);
    }
    .faq-item.open .faq-a{display:block}
    .faq-item.open .plus{transform:rotate(45deg)}
    .cta{
      padding:80px 0 96px;
    }
    .cta-box{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      border:1px solid var(--line-strong);
      padding:46px;
      background:
        linear-gradient(115deg,rgba(9,13,16,.95),rgba(9,13,16,.78)),
        url("/assets/images/backpic/back-3.webp");
      background-size:cover;
      background-position:center;
      box-shadow:var(--shadow);
    }
    .cta-box::before{
      content:"";
      position:absolute;
      right:-90px;
      top:-90px;
      width:260px;
      height:260px;
      border-radius:50%;
      background:rgba(42,245,195,.14);
      filter:blur(10px);
    }
    .cta-content{
      position:relative;
      z-index:1;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:30px;
    }
    .cta h2{max-width:680px}
    .cta p{max-width:700px;color:var(--muted);margin:14px 0 0}
    .site-footer{
      border-top:1px solid var(--line);
      background:#070a0c;
      padding:46px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:28px;
      align-items:start;
    }
    .footer-title{
      font-weight:900;
      font-size:18px;
      margin-bottom:12px;
    }
    .footer-text,.footer-links a,.copyright{
      color:var(--muted);
      font-size:14px;
    }
    .footer-links{display:grid;gap:9px}
    .footer-links a:hover{color:var(--primary)}
    .notice{
      margin-top:18px;
      padding:14px;
      border-radius:14px;
      border:1px solid rgba(255,185,78,.22);
      background:rgba(255,185,78,.06);
      color:#f4d6a4;
      font-size:13px;
    }
    .copyright{
      margin-top:30px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
    }
    .backtop{
      color:var(--primary);
      font-weight:800;
    }
    @media (max-width:1200px){
      .container{width:min(100% - 32px,1060px)}
      .hero-layout{grid-template-columns:1fr .86fr;gap:30px}
      .hero-visual,.hero-visual img{min-height:500px;height:500px}
      .topic-grid{grid-template-columns:1fr 1fr}
      .topic-card.large{grid-column:span 2}
    }
    @media (max-width:992px){
      .site-header{height:auto;min-height:72px}
      .nav-wrap{min-height:72px;flex-wrap:wrap}
      .brand{min-width:auto}
      .main-nav{
        order:3;
        width:100%;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:0 0 16px;
      }
      .main-nav.open{display:flex}
      .main-nav a{text-align:center}
      .menu-toggle{display:block}
      .header-actions .btn-primary{display:none}
      .hero{min-height:auto;padding:70px 0 70px}
      .hero-layout{grid-template-columns:1fr}
      .hero-visual{max-width:720px;min-height:420px;transform:none}
      .hero-visual img{height:420px;min-height:420px}
      .data-panel{grid-template-columns:repeat(2,1fr)}
      .focus-grid,.signal-grid{grid-template-columns:1fr}
      .article-grid{grid-template-columns:1fr 1fr}
      .timeline{grid-template-columns:1fr 1fr}
      .timeline-wrap::before{display:none}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:calc(100% - 28px)}
      .section{padding:68px 0}
      .section.compact{padding:54px 0}
      h1{letter-spacing:-1.2px}
      .hero-lead{font-size:16px}
      .hero-actions{align-items:stretch}
      .hero-actions .btn{width:100%}
      .hero-visual,.hero-visual img{height:360px;min-height:360px}
      .score-strip{grid-template-columns:1fr;left:14px;right:14px;bottom:14px;padding:14px}
      .score-mid{width:max-content}
      .data-panel{grid-template-columns:1fr}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .topic-grid,.article-grid{grid-template-columns:1fr}
      .topic-card.large{grid-column:span 1}
      .timeline{grid-template-columns:1fr}
      .cta-box{padding:30px 22px}
      .cta-content{display:block}
      .cta-content .btn{margin-top:22px;width:100%}
      .footer-grid{grid-template-columns:1fr}
      .brand-name{font-size:15px}
      .brand-sub{display:none}
    }
    @media (max-width:520px){
      .hero{padding-top:46px}
      .hero-visual,.hero-visual img{height:310px;min-height:310px}
      .feature-card{min-height:auto}
      .feature-card .card-media{height:220px}
      .card-body{padding:20px}
      .card-title{font-size:21px}
      .data-item{padding:18px}
      .quick-tags .tag{width:100%;justify-content:center}
      .header-actions{gap:8px}
      .brand-mark{width:38px;height:38px;border-radius:12px}
    }

/* roulang page: category1 */
:root{
      --bg:#090d0f;
      --bg-2:#101619;
      --panel:#121a1e;
      --panel-2:#172126;
      --text:#eef5f2;
      --muted:#9cadab;
      --soft:#c8d7d3;
      --line:rgba(208,232,225,.14);
      --line-strong:rgba(59,255,210,.28);
      --primary:#35ffd0;
      --primary-2:#18c6a2;
      --amber:#ffbf59;
      --danger:#ff7b6e;
      --radius-lg:18px;
      --radius:14px;
      --radius-sm:10px;
      --shadow:0 18px 55px rgba(0,0,0,.34);
      --shadow-soft:0 10px 30px rgba(0,0,0,.22);
      --container:1180px;
      --space:clamp(56px,7vw,96px);
      --nav-h:76px;
      --font:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",Arial,sans-serif;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth;background:var(--bg)}
    body{font-family:var(--font);line-height:1.7;color:var(--text);background:
      radial-gradient(circle at 16% 8%,rgba(53,255,208,.12),transparent 30%),
      radial-gradient(circle at 86% 18%,rgba(255,191,89,.10),transparent 26%),
      linear-gradient(180deg,#070a0c 0%,#0b1012 48%,#080c0e 100%);min-height:100vh;overflow-x:hidden}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(180deg,rgba(0,0,0,.8),rgba(0,0,0,.18))}
    a{color:inherit;text-decoration:none;transition:.22s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .skip-link{position:absolute;left:14px;top:-48px;background:var(--primary);color:#04100d;padding:10px 14px;border-radius:10px;z-index:1000;font-weight:800}
    .skip-link:focus{top:12px;outline:3px solid rgba(255,191,89,.6)}
    .site-header{position:sticky;top:0;z-index:100;background:rgba(8,12,14,.84);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
    .header-inner{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:12px;min-width:max-content;padding:8px 0}
    .brand-mark{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),#73ffe7 50%,var(--amber));color:#06100e;font-weight:950;letter-spacing:-1px;box-shadow:0 0 0 1px rgba(255,255,255,.16),0 10px 26px rgba(53,255,208,.16)}
    .brand-text{display:flex;flex-direction:column;line-height:1.2}
    .brand-name{font-weight:900;font-size:17px;letter-spacing:.2px;color:var(--text)}
    .brand-sub{font-size:12px;color:var(--muted);margin-top:3px}
    .main-nav{display:flex;align-items:center;justify-content:center;gap:8px;padding:7px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.035)}
    .main-nav a{padding:9px 15px;border-radius:999px;color:var(--soft);font-size:14px;font-weight:700;white-space:nowrap}
    .main-nav a:hover,.main-nav a:focus{color:var(--primary);background:rgba(53,255,208,.08);outline:none}
    .main-nav a.active{background:rgba(53,255,208,.16);color:var(--primary);box-shadow:inset 0 0 0 1px rgba(53,255,208,.28)}
    .header-action{display:flex;align-items:center;gap:10px}
    .menu-toggle{display:none;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text)}
    .menu-toggle span{display:block;width:18px;height:2px;background:var(--text);margin:4px auto;border-radius:5px;transition:.2s ease}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:999px;border:1px solid transparent;font-weight:900;letter-spacing:.1px;transition:.22s ease;line-height:1.2}
    .btn-primary{background:linear-gradient(135deg,var(--primary),#68ffe3);color:#06110f;box-shadow:0 14px 26px rgba(53,255,208,.18)}
    .btn-primary:hover,.btn-primary:focus{transform:translateY(-2px);box-shadow:0 18px 36px rgba(53,255,208,.28);outline:none}
    .btn-secondary{background:rgba(255,255,255,.045);color:var(--text);border-color:var(--line)}
    .btn-secondary:hover,.btn-secondary:focus{border-color:var(--line-strong);color:var(--primary);background:rgba(53,255,208,.07);outline:none}
    .banner{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:linear-gradient(90deg,rgba(7,10,12,.92),rgba(7,10,12,.58)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
    .banner:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(53,255,208,.12),transparent 32%,rgba(255,191,89,.09));pointer-events:none}
    .banner-inner{position:relative;z-index:1;padding:48px 0 42px;display:grid;grid-template-columns:1.08fr .92fr;gap:34px;align-items:end}
    .breadcrumb{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;margin-bottom:18px;flex-wrap:wrap}
    .breadcrumb a:hover{color:var(--primary)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border:1px solid rgba(53,255,208,.24);border-radius:999px;background:rgba(53,255,208,.08);color:var(--primary);font-size:13px;font-weight:900;margin-bottom:14px}
    h1{font-size:clamp(32px,5vw,58px);line-height:1.08;letter-spacing:-1.4px;margin-bottom:16px;font-weight:950;max-width:920px}
    .banner-desc{font-size:clamp(16px,2vw,19px);color:var(--soft);max-width:760px;line-height:1.85}
    .banner-panel{border:1px solid var(--line);background:rgba(15,22,25,.78);box-shadow:var(--shadow-soft);border-radius:var(--radius-lg);padding:20px;backdrop-filter:blur(10px)}
    .panel-title{font-weight:950;font-size:17px;margin-bottom:12px;color:var(--text)}
    .mini-score{display:grid;gap:10px}
    .score-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border-radius:12px;background:rgba(255,255,255,.045);border:1px solid var(--line)}
    .score-row strong{color:var(--primary)}
    .score-row span{font-size:13px;color:var(--muted)}
    main{padding:0 0 var(--space)}
    .section{padding-top:var(--space)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:26px}
    .section-kicker{color:var(--primary);font-size:13px;font-weight:950;letter-spacing:.8px;margin-bottom:8px}
    .section-title{font-size:clamp(24px,3.5vw,38px);line-height:1.2;font-weight:950;letter-spacing:-.6px}
    .section-desc{color:var(--muted);max-width:610px;margin-top:10px}
    .filter-bar{display:flex;gap:10px;flex-wrap:wrap;padding:16px;border:1px solid var(--line);border-radius:var(--radius-lg);background:rgba(18,26,30,.72);box-shadow:var(--shadow-soft)}
    .chip{display:inline-flex;align-items:center;gap:7px;padding:9px 13px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.035);color:var(--soft);font-size:14px;font-weight:800;transition:.22s ease}
    .chip:hover,.chip:focus{color:var(--primary);border-color:var(--line-strong);outline:none;transform:translateY(-1px)}
    .chip.active{background:rgba(53,255,208,.16);border-color:rgba(53,255,208,.34);color:var(--primary)}
    .guide-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:22px;align-items:stretch}
    .feature-card,.side-card,.step-card,.scenario-card,.faq-item,.cta-box{border:1px solid var(--line);border-radius:var(--radius-lg);background:linear-gradient(180deg,rgba(22,31,35,.88),rgba(14,21,24,.88));box-shadow:var(--shadow-soft);overflow:hidden}
    .feature-card{display:grid;grid-template-columns:.95fr 1.05fr;min-height:390px}
    .feature-media{position:relative;overflow:hidden;background:#0d1315}
    .feature-media img{width:100%;height:100%;object-fit:cover;transition:.35s ease;filter:saturate(.95) contrast(1.02)}
    .feature-media:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(0,0,0,.62))}
    .feature-card:hover img{transform:scale(1.045)}
    .feature-content{padding:28px;display:flex;flex-direction:column;justify-content:center}
    .badge{display:inline-flex;width:max-content;align-items:center;padding:6px 10px;border-radius:999px;background:rgba(255,191,89,.12);color:var(--amber);border:1px solid rgba(255,191,89,.24);font-size:12px;font-weight:950;margin-bottom:14px}
    .feature-content h2{font-size:28px;line-height:1.25;margin-bottom:14px;letter-spacing:-.4px}
    .feature-content p{color:var(--soft);margin-bottom:18px}
    .check-list{display:grid;gap:11px;margin-top:5px;list-style:none}
    .check-list li{display:flex;gap:10px;color:var(--soft);font-size:15px}
    .check-list li:before{content:"✓";flex:0 0 22px;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:rgba(53,255,208,.13);color:var(--primary);font-weight:950;font-size:12px;margin-top:2px}
    .side-stack{display:grid;gap:18px}
    .side-card{padding:22px}
    .side-card h3{font-size:19px;margin-bottom:10px}
    .side-card p{color:var(--muted);font-size:15px}
    .metric-line{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:14px;margin-top:16px;color:var(--soft)}
    .metric-line strong{font-size:24px;color:var(--primary)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}
    .step-card{padding:22px;position:relative;transition:.22s ease}
    .step-card:hover{transform:translateY(-3px);border-color:var(--line-strong)}
    .step-card:before{counter-increment:step;content:"0" counter(step);display:inline-flex;width:40px;height:40px;align-items:center;justify-content:center;border-radius:12px;background:rgba(53,255,208,.12);color:var(--primary);font-weight:950;margin-bottom:16px;border:1px solid rgba(53,255,208,.22)}
    .step-card h3{font-size:18px;margin-bottom:8px}
    .step-card p{color:var(--muted);font-size:14px}
    .split{display:grid;grid-template-columns:.86fr 1.14fr;gap:24px;align-items:center}
    .image-card{position:relative;overflow:hidden;border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow);min-height:360px;background:#111}
    .image-card img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
    .image-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.06),rgba(0,0,0,.7))}
    .image-caption{position:absolute;z-index:2;left:22px;right:22px;bottom:22px;padding:16px;border:1px solid rgba(255,255,255,.14);border-radius:14px;background:rgba(8,12,14,.66);backdrop-filter:blur(10px)}
    .image-caption strong{display:block;color:var(--primary);margin-bottom:4px}
    .image-caption span{color:var(--soft);font-size:14px}
    .scenario-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .scenario-card{padding:22px;transition:.22s ease}
    .scenario-card:hover{transform:translateY(-2px);border-color:rgba(255,191,89,.3)}
    .scenario-card .icon{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:rgba(255,191,89,.12);color:var(--amber);font-weight:950;margin-bottom:14px}
    .scenario-card h3{font-size:18px;margin-bottom:8px}
    .scenario-card p{color:var(--muted);font-size:14px}
    .compare{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .compare-card{border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;background:rgba(18,26,30,.72);transition:.22s ease}
    .compare-card:hover{border-color:var(--line-strong);transform:translateY(-2px)}
    .compare-card h3{font-size:18px;margin-bottom:10px;color:var(--text)}
    .compare-card p{color:var(--muted);font-size:14px}
    .warning-card{margin-top:18px;border:1px solid rgba(255,191,89,.28);border-radius:var(--radius-lg);padding:18px 20px;background:rgba(255,191,89,.08);color:#ffe4b9}
    .faq-wrap{display:grid;gap:12px;max-width:920px;margin:0 auto}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:18px 20px;background:transparent;color:var(--text);font-weight:950}
    .faq-q:focus{outline:2px solid rgba(53,255,208,.5);outline-offset:-2px}
    .faq-q span:last-child{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:rgba(53,255,208,.1);color:var(--primary);flex:0 0 auto}
    .faq-a{display:none;padding:0 20px 18px;color:var(--muted);border-top:1px solid var(--line)}
    .faq-item.open .faq-a{display:block;padding-top:14px}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta-box{position:relative;padding:34px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;overflow:hidden;background:linear-gradient(135deg,rgba(53,255,208,.14),rgba(18,26,30,.9) 45%,rgba(255,191,89,.10))}
    .cta-box:before{content:"";position:absolute;right:-80px;top:-80px;width:220px;height:220px;border-radius:50%;background:rgba(53,255,208,.13);filter:blur(6px)}
    .cta-box h2{font-size:clamp(24px,3vw,36px);line-height:1.2;margin-bottom:10px;position:relative}
    .cta-box p{color:var(--soft);max-width:760px;position:relative}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative}
    .site-footer{border-top:1px solid var(--line);background:#070b0d;padding:44px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.4fr .7fr .9fr;gap:34px;margin-bottom:30px}
    .footer-text{color:var(--muted);max-width:520px;font-size:14px}
    .notice{margin-top:16px;padding:13px 14px;border-radius:12px;border:1px solid rgba(255,191,89,.23);background:rgba(255,191,89,.07);color:#f7d49c;font-size:13px}
    .footer-title{font-weight:950;margin-bottom:12px;color:var(--text)}
    .footer-links{display:grid;gap:9px;color:var(--muted);font-size:14px}
    .footer-links a:hover{color:var(--primary)}
    .copyright{display:flex;justify-content:space-between;gap:16px;align-items:center;border-top:1px solid var(--line);padding-top:20px;color:var(--muted);font-size:13px}
    .backtop{padding:8px 12px;border-radius:999px;border:1px solid var(--line);color:var(--soft)}
    .backtop:hover{color:var(--primary);border-color:var(--line-strong)}
    @media (max-width:1200px){.container{width:min(1080px,calc(100% - 34px))}.steps{grid-template-columns:repeat(2,1fr)}}
    @media (max-width:992px){
      .header-inner{height:auto;min-height:var(--nav-h);flex-wrap:wrap;padding:12px 0}.main-nav{order:3;width:100%;justify-content:flex-start;overflow:auto}.header-action .btn{display:none}
      .banner-inner,.guide-grid,.split,.cta-box{grid-template-columns:1fr}.banner-panel{max-width:560px}.feature-card{grid-template-columns:1fr}.feature-media{min-height:280px}.compare{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,680px)}.menu-toggle{display:block}.main-nav{display:none;border-radius:18px;padding:10px;background:rgba(12,18,21,.96)}.main-nav.open{display:grid;grid-template-columns:1fr}.main-nav a{width:100%;text-align:center}.brand-name{font-size:15px}.brand-sub{font-size:11px}
      .banner-inner{padding:36px 0 32px}.section-head{display:block}.filter-bar{padding:12px}.scenario-grid,.steps{grid-template-columns:1fr}.feature-content{padding:22px}.image-card{min-height:300px}.cta-box{padding:24px}.footer-grid{grid-template-columns:1fr}.copyright{flex-direction:column;align-items:flex-start}
    }
    @media (max-width:520px){
      h1{font-size:31px}.banner-desc{font-size:15px}.header-inner{gap:12px}.brand-mark{width:40px;height:40px}.chip{width:100%;justify-content:center}.score-row{align-items:flex-start;flex-direction:column}.feature-content h2{font-size:23px}.cta-actions .btn{width:100%}.section{padding-top:54px}
    }
    @media (max-width:375px){.container{width:min(100% - 22px,360px)}.brand-sub{display:none}.btn{padding:11px 14px}.scenario-card,.step-card,.side-card{padding:18px}}