/* roulang page: index */
:root{
      --bg:#07110f;
      --bg-2:#0c1714;
      --bg-3:#111b17;
      --panel:#101c18;
      --panel-2:#15221d;
      --card:#13231e;
      --card-soft:#182922;
      --text:#f1f4e8;
      --muted:#b8c5b8;
      --weak:#829488;
      --line:rgba(117,255,205,.18);
      --line-strong:rgba(117,255,205,.42);
      --neon:#63ffc8;
      --neon-2:#a7ff5f;
      --amber:#f5bd63;
      --amber-2:#ffe09b;
      --red:#a53843;
      --shadow:0 26px 70px rgba(0,0,0,.42);
      --glow:0 0 24px rgba(99,255,200,.24);
      --radius-xl:30px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-pill:999px;
      --space-section:92px;
      --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 15% 5%,rgba(99,255,200,.14),transparent 34%),
        radial-gradient(circle at 85% 20%,rgba(245,189,99,.11),transparent 28%),
        linear-gradient(180deg,var(--bg),#08100e 42%,#0b1412 100%);
      line-height:1.82;
      overflow-x:hidden;
    }
    body.is-menu-open{overflow:hidden}
    a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease}
    a:hover{color:var(--neon)}
    img{max-width:100%;display:block}
    button,.button{font-family:var(--font)}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{
      outline:2px solid var(--neon);
      outline-offset:4px;
      border-radius:12px;
    }
    p{margin:0 0 1rem;color:var(--muted)}
    h1,h2,h3,h4{color:var(--text);font-weight:850;line-height:1.16;margin:0 0 1rem;letter-spacing:-.02em}
    h1{font-size:clamp(2.35rem,5vw,4.25rem)}
    h2{font-size:clamp(1.75rem,3.2vw,2.65rem)}
    h3{font-size:clamp(1.15rem,2vw,1.42rem)}
    .site-shell{position:relative;min-height:100vh}
    .site-shell:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(99,255,200,.035) 1px,transparent 1px),
        linear-gradient(90deg,rgba(99,255,200,.025) 1px,transparent 1px);
      background-size:48px 48px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 75%);
      z-index:0;
    }
    .grid-container{max-width:1240px;position:relative;z-index:1}
    .section{padding:var(--space-section) 0;position:relative;z-index:1}
    .section-tight{padding:72px 0}
    .section-head{margin-bottom:34px;display:flex;justify-content:space-between;gap:24px;align-items:end}
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--neon);
      font-size:.88rem;
      font-weight:800;
      letter-spacing:.08em;
      margin-bottom:12px;
    }
    .section-kicker:before{
      content:"";
      width:28px;height:2px;border-radius:2px;
      background:linear-gradient(90deg,var(--neon),var(--amber));
      box-shadow:var(--glow);
    }
    .section-copy{max-width:620px;color:var(--muted)}
    .site-header{
      position:sticky;
      top:0;
      z-index:30;
      background:linear-gradient(180deg,rgba(7,17,15,.96),rgba(9,18,16,.88));
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(117,255,205,.14);
      box-shadow:0 18px 50px rgba(0,0,0,.28);
    }
    .site-header:after{
      content:"";
      position:absolute;left:0;right:0;bottom:0;height:1px;
      background:linear-gradient(90deg,transparent,rgba(99,255,200,.8),rgba(245,189,99,.45),transparent);
    }
    .nav-wrap{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{
      display:inline-flex;align-items:center;gap:12px;font-weight:900;font-size:1.28rem;letter-spacing:.02em;
      color:var(--text);
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;position:relative;flex:0 0 42px;
      background:linear-gradient(145deg,rgba(99,255,200,.18),rgba(245,189,99,.12));
      border:1px solid var(--line-strong);
      box-shadow:inset 0 0 18px rgba(99,255,200,.18),0 0 22px rgba(99,255,200,.16);
    }
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border-radius:7px;border:1px solid rgba(241,244,232,.8);background:rgba(7,17,15,.58)}
    .brand-mark:before{width:18px;height:24px;left:9px;top:8px;transform:rotate(-8deg)}
    .brand-mark:after{width:18px;height:24px;right:8px;bottom:7px;transform:rotate(9deg);border-color:rgba(99,255,200,.82)}
    .brand span:last-child{background:linear-gradient(90deg,#fff,var(--neon-2));-webkit-background-clip:text;background-clip:text;color:transparent}
    .nav-menu{display:flex;align-items:center;gap:8px;margin:0;padding:0;list-style:none}
    .nav-link{
      position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 16px;
      color:#dbe8da;font-weight:700;border-radius:var(--radius-pill);
    }
    .nav-link:hover{background:rgba(99,255,200,.08);color:var(--neon);transform:translateY(-1px)}
    .nav-link.active{color:#07110f;background:linear-gradient(90deg,var(--neon),var(--neon-2));box-shadow:0 0 22px rgba(99,255,200,.26)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .menu-toggle{
      display:none;width:46px;height:46px;border-radius:16px;border:1px solid var(--line);
      background:rgba(99,255,200,.06);color:var(--text);cursor:pointer;
    }
    .menu-toggle span{display:block;width:20px;height:2px;background:var(--neon);margin:5px auto;border-radius:2px;transition:.22s ease}
    .menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
    .menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:48px;padding:0 22px;border-radius:var(--radius-pill);
      font-weight:850;border:1px solid transparent;cursor:pointer;line-height:1;color:var(--text);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background-position .28s ease,color .22s ease;
      position:relative;overflow:hidden;
    }
    .btn-primary{
      color:#06110f;
      background:linear-gradient(100deg,var(--neon),var(--neon-2),var(--amber));
      background-size:180% 100%;
      box-shadow:0 14px 34px rgba(99,255,200,.24);
    }
    .btn-secondary{background:rgba(99,255,200,.07);border-color:var(--line-strong);color:var(--text)}
    .btn-ghost{background:rgba(245,189,99,.08);border-color:rgba(245,189,99,.28);color:var(--amber-2)}
    .btn:hover{transform:translateY(-2px);box-shadow:0 18px 42px rgba(99,255,200,.22);color:inherit}
    .btn-primary:hover{background-position:100% 0;color:#06110f}
    .btn-secondary:hover{border-color:var(--neon);background:rgba(99,255,200,.12);color:var(--neon)}
    .hero{
      min-height:760px;
      padding:110px 0 78px;
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(90deg,rgba(7,17,15,.94),rgba(7,17,15,.82) 48%,rgba(7,17,15,.64)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero:before{
      content:"";
      position:absolute;inset:0;
      background:
        radial-gradient(circle at 70% 42%,rgba(99,255,200,.22),transparent 34%),
        radial-gradient(circle at 86% 12%,rgba(245,189,99,.18),transparent 24%),
        linear-gradient(180deg,transparent 62%,var(--bg) 100%);
      pointer-events:none;
    }
    .hero-content{position:relative;z-index:1}
    .hero-badge{
      display:inline-flex;align-items:center;gap:10px;padding:9px 14px;border-radius:var(--radius-pill);
      background:rgba(99,255,200,.08);border:1px solid var(--line);color:var(--neon);
      font-weight:800;font-size:.92rem;margin-bottom:22px;
    }
    .hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--neon);box-shadow:0 0 14px var(--neon)}
    .hero-title{max-width:720px;margin-bottom:22px;text-shadow:0 8px 38px rgba(0,0,0,.48)}
    .hero-subtitle{max-width:660px;font-size:1.12rem;color:#d4dfd2;margin-bottom:30px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
    .quick-tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:var(--radius-pill);
      padding:8px 12px;background:rgba(12,23,20,.72);color:#dce7dc;font-size:.9rem;font-weight:700;
    }
    .tag:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--amber)}
    .hero-board{
      position:relative;padding:22px;border-radius:var(--radius-xl);
      background:linear-gradient(155deg,rgba(19,35,30,.92),rgba(9,19,16,.8));
      border:1px solid rgba(117,255,205,.22);
      box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
      overflow:hidden;
    }
    .hero-board:before{
      content:"";
      position:absolute;inset:-40%;
      background:conic-gradient(from 180deg,transparent,rgba(99,255,200,.18),transparent,rgba(245,189,99,.16),transparent);
      animation:slowSpin 18s linear infinite;
      opacity:.65;
    }
    .hero-board-inner{position:relative;z-index:1;background:rgba(7,17,15,.74);border:1px solid rgba(117,255,205,.12);border-radius:24px;padding:24px}
    .board-top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:22px}
    .board-title{font-weight:900;font-size:1.12rem}
    .board-chip{border-radius:var(--radius-pill);padding:7px 12px;background:rgba(245,189,99,.12);border:1px solid rgba(245,189,99,.34);color:var(--amber-2);font-weight:800;font-size:.85rem}
    .card-stack{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:24px}
    .mini-card{
      min-height:132px;border-radius:20px;padding:16px;position:relative;overflow:hidden;
      background:linear-gradient(145deg,rgba(99,255,200,.12),rgba(245,189,99,.08));
      border:1px solid rgba(117,255,205,.2);
    }
    .mini-card:nth-child(2){transform:translateY(22px);background:linear-gradient(145deg,rgba(245,189,99,.15),rgba(165,56,67,.08))}
    .mini-card:after{content:"♠";position:absolute;right:14px;bottom:-8px;font-size:4.4rem;color:rgba(255,255,255,.06);line-height:1}
    .mini-card strong{display:block;font-size:1.45rem;color:var(--text);margin-bottom:6px}
    .mini-card span{color:var(--muted);font-size:.92rem}
    .progress-panel{padding:18px;border-radius:20px;background:rgba(99,255,200,.055);border:1px solid rgba(117,255,205,.16)}
    .progress-row{display:flex;justify-content:space-between;gap:12px;margin-bottom:10px;color:#dbe8da;font-weight:750}
    .progress-bar{height:12px;border-radius:20px;background:#26332e;overflow:hidden;box-shadow:inset 0 0 12px rgba(0,0,0,.35)}
    .progress-fill{width:64%;height:100%;border-radius:20px;background:linear-gradient(90deg,var(--neon),var(--neon-2));box-shadow:0 0 18px rgba(99,255,200,.42)}
    .board-nodes{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:16px}
    .board-node{text-align:center;color:var(--weak);font-size:.82rem}
    .node-dot{width:30px;height:30px;margin:0 auto 6px;border-radius:50%;border:2px solid rgba(117,255,205,.22);background:#17231f}
    .board-node.done{color:var(--neon)}
    .board-node.done .node-dot{background:linear-gradient(135deg,var(--neon),var(--neon-2));border-color:transparent;box-shadow:var(--glow)}
    .path-wrap{
      position:relative;border-radius:var(--radius-xl);padding:28px;
      background:linear-gradient(180deg,rgba(16,28,24,.84),rgba(12,23,20,.52));
      border:1px solid var(--line);
    }
    .path-wrap:before{
      content:"";position:absolute;left:8%;right:8%;top:50%;height:2px;
      background:linear-gradient(90deg,rgba(99,255,200,.1),rgba(99,255,200,.65),rgba(245,189,99,.55),rgba(99,255,200,.1));
      transform:translateY(-50%);
    }
    .path-card{
      position:relative;z-index:1;padding:22px;border-radius:22px;background:rgba(7,17,15,.78);
      border:1px solid rgba(117,255,205,.18);box-shadow:0 20px 48px rgba(0,0,0,.22);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .path-card:nth-child(even){margin-top:44px}
    .path-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 26px 58px rgba(0,0,0,.28),var(--glow)}
    .step-num{
      width:42px;height:42px;border-radius:15px;display:inline-flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,var(--neon),var(--neon-2));color:#07110f;font-weight:950;margin-bottom:18px;
    }
    .bento{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .reward-card{
      position:relative;overflow:hidden;border-radius:var(--radius-xl);padding:28px;
      background:linear-gradient(145deg,rgba(19,35,30,.96),rgba(12,23,20,.86));
      border:1px solid rgba(245,189,99,.2);box-shadow:var(--shadow);
      min-height:230px;
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .reward-card:hover{transform:translateY(-4px);border-color:rgba(245,189,99,.5);box-shadow:0 30px 70px rgba(0,0,0,.42),0 0 24px rgba(245,189,99,.16)}
    .reward-card.feature{min-height:482px;background:
      linear-gradient(180deg,rgba(7,17,15,.28),rgba(7,17,15,.92)),
      url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
    }
    .reward-card .badge{margin-bottom:18px}
    .badge{
      display:inline-flex;align-items:center;border-radius:var(--radius-pill);padding:6px 12px;
      background:rgba(245,189,99,.12);border:1px solid rgba(245,189,99,.32);
      color:var(--amber-2);font-size:.82rem;font-weight:850;
    }
    .reward-side{display:grid;gap:22px}
    .reward-note{font-size:.88rem;color:var(--weak);margin-top:16px}
    .milestone{
      border-radius:var(--radius-xl);padding:32px;background:linear-gradient(145deg,rgba(19,35,30,.92),rgba(10,20,17,.86));
      border:1px solid var(--line);box-shadow:var(--shadow);
    }
    .milestone-track{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative;margin-top:26px}
    .milestone-track:before{content:"";position:absolute;left:8%;right:8%;top:25px;height:10px;border-radius:20px;background:#24312c}
    .milestone-track:after{content:"";position:absolute;left:8%;width:54%;top:25px;height:10px;border-radius:20px;background:linear-gradient(90deg,var(--neon),var(--neon-2));box-shadow:var(--glow)}
    .mile{position:relative;z-index:1;text-align:center}
    .mile-dot{width:60px;height:60px;margin:0 auto 14px;border-radius:50%;background:#17231f;border:2px solid rgba(117,255,205,.25);display:flex;align-items:center;justify-content:center;color:var(--weak);font-weight:950}
    .mile.done .mile-dot{color:#07110f;background:linear-gradient(135deg,var(--neon),var(--neon-2));border-color:transparent;box-shadow:var(--glow)}
    .mile h3{font-size:1rem;margin-bottom:6px}
    .mile p{font-size:.9rem;margin:0;color:var(--weak)}
    .content-card{
      height:100%;border-radius:var(--radius-xl);overflow:hidden;background:rgba(19,35,30,.82);
      border:1px solid rgba(117,255,205,.16);box-shadow:0 22px 54px rgba(0,0,0,.28);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .content-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 30px 70px rgba(0,0,0,.34),var(--glow)}
    .content-card:hover .card-img img{transform:scale(1.06)}
    .card-img{height:230px;overflow:hidden;position:relative}
    .card-img:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(7,17,15,.74))}
    .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
    .content-body{padding:24px}
    .content-feature .card-img{height:376px}
    .compact-list{display:grid;gap:16px}
    .compact-item{
      display:flex;gap:16px;padding:18px;border-radius:22px;background:rgba(19,35,30,.72);
      border:1px solid rgba(117,255,205,.14);transition:.22s ease;
    }
    .compact-item:hover{border-color:rgba(117,255,205,.38);transform:translateX(3px);background:rgba(19,35,30,.94)}
    .compact-index{width:42px;height:42px;border-radius:14px;background:rgba(99,255,200,.1);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--neon);font-weight:950;flex:0 0 42px}
    .trust-panel{
      border-radius:var(--radius-xl);padding:30px;background:
      linear-gradient(145deg,rgba(245,189,99,.09),rgba(99,255,200,.06)),
      rgba(12,23,20,.88);
      border:1px solid rgba(245,189,99,.2);
    }
    .stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}
    .stat{padding:20px;border-radius:20px;background:rgba(7,17,15,.62);border:1px solid rgba(117,255,205,.14)}
    .stat strong{display:block;font-size:1.8rem;color:var(--neon);line-height:1.1;margin-bottom:6px}
    .rule-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
    .rule-list li{padding-left:28px;position:relative;color:var(--muted)}
    .rule-list li:before{content:"";position:absolute;left:0;top:.7em;width:11px;height:11px;border-radius:50%;background:var(--amber);box-shadow:0 0 14px rgba(245,189,99,.3)}
    .faq-wrap{border-radius:var(--radius-xl);background:rgba(12,23,20,.84);border:1px solid var(--line);padding:10px;box-shadow:var(--shadow)}
    .accordion{background:transparent;margin:0}
    .accordion-item{border-bottom:1px solid rgba(117,255,205,.12)}
    .accordion-item:last-child{border-bottom:none}
    .accordion-title{
      border:0!important;background:transparent!important;color:var(--text)!important;
      font-size:1.05rem;font-weight:850;padding:22px 54px 22px 20px;line-height:1.5;
    }
    .accordion-title:before{right:20px;color:var(--neon);font-size:1.6rem;margin-top:-.8rem}
    .accordion-title:hover,.accordion-title:focus{background:rgba(99,255,200,.06)!important;color:var(--neon)!important}
    .accordion-content{
      border:0!important;background:rgba(7,17,15,.42)!important;color:var(--muted)!important;
      padding:0 20px 22px 20px;line-height:1.85;
    }
    .cta{
      position:relative;overflow:hidden;border-radius:34px;padding:48px;
      background:
        linear-gradient(90deg,rgba(7,17,15,.96),rgba(7,17,15,.74)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      border:1px solid rgba(117,255,205,.22);box-shadow:var(--shadow);
    }
    .cta:after{content:"";position:absolute;right:-100px;top:-100px;width:280px;height:280px;border-radius:50%;background:rgba(99,255,200,.14);filter:blur(12px)}
    .cta > *{position:relative;z-index:1}
    .site-footer{
      background:#050c0b;border-top:1px solid rgba(117,255,205,.16);padding:54px 0 28px;position:relative;z-index:1;
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .9fr;gap:32px}
    .footer-title{font-weight:900;margin-bottom:14px;color:var(--text)}
    .footer-links{list-style:none;margin:0;padding:0;display:grid;gap:10px}
    .footer-links a{color:var(--muted)}
    .footer-links a:hover{color:var(--neon);padding-left:4px}
    .footer-note{font-size:.92rem;color:var(--weak)}
    .copyright{margin-top:34px;padding-top:20px;border-top:1px solid rgba(117,255,205,.1);color:var(--weak);font-size:.88rem;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
    @keyframes slowSpin{to{transform:rotate(360deg)}}
    @media (prefers-reduced-motion:reduce){
      *,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
    }
    @media (max-width:1023px){
      :root{--space-section:72px}
      .nav-wrap{min-height:70px}
      .menu-toggle{display:block}
      .nav-menu{
        position:fixed;left:16px;right:16px;top:78px;display:none;flex-direction:column;align-items:stretch;
        padding:16px;background:rgba(7,17,15,.98);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);
      }
      .nav-menu.is-open{display:flex}
      .nav-link{justify-content:center;min-height:52px}
      .nav-actions .btn{display:none}
      .hero{min-height:auto;padding:82px 0 64px}
      .hero-board{margin-top:36px}
      .path-wrap:before{display:none}
      .path-card:nth-child(even){margin-top:0}
      .bento{grid-template-columns:1fr}
      .reward-card.feature{min-height:390px}
      .milestone-track{grid-template-columns:1fr;gap:18px}
      .milestone-track:before{left:30px;right:auto;top:0;bottom:0;width:8px;height:auto}
      .milestone-track:after{left:30px;top:0;width:8px;height:58%}
      .mile{text-align:left;display:grid;grid-template-columns:60px 1fr;gap:16px;align-items:center}
      .mile-dot{margin:0}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:639px){
      :root{--space-section:58px}
      .section-head{display:block}
      .hero{padding:62px 0 54px}
      .hero-subtitle{font-size:1rem}
      .hero-actions .btn{width:100%}
      .quick-tags{gap:8px}
      .tag{font-size:.82rem}
      .hero-board,.hero-board-inner,.path-wrap,.milestone,.cta{padding:18px;border-radius:24px}
      .card-stack{grid-template-columns:1fr}
      .mini-card:nth-child(2){transform:none}
      .board-nodes{grid-template-columns:repeat(2,1fr)}
      .reward-card.feature{min-height:320px}
      .content-feature .card-img,.card-img{height:220px}
      .stat-grid{grid-template-columns:1fr}
      .compact-item{display:block}
      .compact-index{margin-bottom:12px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .brand{font-size:1.1rem}
    }

/* roulang page: category1 */
:root{
      --bg:#07110f;
      --bg-2:#0c1815;
      --bg-3:#101514;
      --panel:#121c19;
      --panel-2:#18231f;
      --text:#f1f6ed;
      --muted:#aab9ae;
      --muted-2:#77877e;
      --line:rgba(103,255,203,.22);
      --line-strong:rgba(103,255,203,.55);
      --primary:#67ffcb;
      --primary-2:#26d69a;
      --amber:#f2be63;
      --amber-2:#d59135;
      --red:#9b3038;
      --shadow:0 24px 70px rgba(0,0,0,.46);
      --glow:0 0 28px rgba(103,255,203,.22);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --nav-h:78px;
      --ease:220ms ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 18% 6%, rgba(103,255,203,.14), transparent 26%),
        radial-gradient(circle at 86% 10%, rgba(242,190,99,.12), transparent 24%),
        linear-gradient(180deg, #07110f 0%, #0c1412 46%, #080d0c 100%);
      line-height:1.82;
      overflow-x:hidden;
    }
    body.menu-open{overflow:hidden}
    a{color:inherit;text-decoration:none;transition:color var(--ease), border-color var(--ease), background var(--ease), transform var(--ease), box-shadow var(--ease)}
    a:hover,a:focus{color:var(--primary)}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    :focus-visible{
      outline:2px solid var(--primary);
      outline-offset:4px;
      border-radius:12px;
    }
    .grid-container{
      max-width:1220px;
      padding-left:22px;
      padding-right:22px;
    }
    .section{
      position:relative;
      padding:92px 0;
    }
    .section-tight{padding:68px 0}
    .section-alt{
      background:
        linear-gradient(180deg, rgba(255,255,255,.018), rgba(255,255,255,0)),
        radial-gradient(circle at 72% 36%, rgba(103,255,203,.06), transparent 28%);
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      min-height:34px;
      padding:7px 13px;
      border:1px solid rgba(103,255,203,.28);
      border-radius:999px;
      background:rgba(103,255,203,.07);
      color:var(--primary);
      font-weight:700;
      font-size:14px;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 16px rgba(103,255,203,.75);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      margin-bottom:20px;
      font-size:clamp(36px,5vw,60px);
      line-height:1.08;
      letter-spacing:-.03em;
      font-weight:900;
    }
    h2{
      margin-bottom:16px;
      font-size:clamp(27px,3vw,40px);
      line-height:1.18;
      font-weight:850;
      letter-spacing:-.02em;
    }
    h3{
      margin-bottom:10px;
      font-size:22px;
      line-height:1.35;
      font-weight:800;
    }
    p{color:var(--muted)}
    .lead{
      font-size:18px;
      color:#d2ddd4;
      max-width:760px;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:28px;
      margin-bottom:34px;
    }
    .section-head .lead{margin-bottom:0}
    .text-gradient{
      color:transparent;
      background:linear-gradient(90deg,#f7fff8 0%, var(--primary) 46%, var(--amber) 100%);
      -webkit-background-clip:text;
      background-clip:text;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      min-height:var(--nav-h);
      background:rgba(7,17,15,.9);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(103,255,203,.18);
      box-shadow:0 14px 38px rgba(0,0,0,.3);
    }
    .site-header::after{
      content:"";
      position:absolute;
      left:0;right:0;bottom:-1px;height:1px;
      background:linear-gradient(90deg, transparent, rgba(103,255,203,.9), rgba(242,190,99,.7), transparent);
      opacity:.75;
    }
    .nav-wrap{
      min-height:var(--nav-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
      position:relative;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      color:var(--text);
      font-size:22px;
      font-weight:900;
      white-space:nowrap;
      letter-spacing:.01em;
    }
    .brand:hover{color:var(--text);transform:translateY(-1px)}
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      position:relative;
      background:
        linear-gradient(145deg, rgba(103,255,203,.22), rgba(242,190,99,.12)),
        #0f1d19;
      border:1px solid rgba(103,255,203,.42);
      box-shadow:inset 0 0 18px rgba(103,255,203,.16), 0 0 24px rgba(103,255,203,.14);
    }
    .brand-mark::before,.brand-mark::after{
      content:"";
      position:absolute;
      border-radius:8px;
      border:2px solid rgba(241,246,237,.9);
      width:18px;height:24px;
      top:8px;
      background:rgba(255,255,255,.035);
    }
    .brand-mark::before{left:8px;transform:rotate(-8deg)}
    .brand-mark::after{right:8px;transform:rotate(9deg);border-color:rgba(242,190,99,.88)}
    .nav-menu{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      list-style:none;
      margin:0;
      padding:0;
      flex:1;
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      min-height:44px;
      padding:9px 15px;
      color:#c9d6ce;
      font-size:15px;
      font-weight:700;
      border-radius:999px;
    }
    .nav-link::after{
      content:"";
      position:absolute;
      left:20px;right:20px;bottom:4px;height:2px;
      border-radius:999px;
      transform:scaleX(0);
      transform-origin:center;
      background:linear-gradient(90deg,var(--primary),var(--amber));
      box-shadow:0 0 16px rgba(103,255,203,.55);
      transition:transform var(--ease);
    }
    .nav-link:hover{
      color:#fff;
      background:rgba(103,255,203,.08);
    }
    .nav-link.active{
      color:#fff;
      background:rgba(103,255,203,.12);
      box-shadow:inset 0 0 0 1px rgba(103,255,203,.18);
    }
    .nav-link.active::after,.nav-link:hover::after{transform:scaleX(1)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:850;
      line-height:1;
      text-align:center;
      transition:transform var(--ease), box-shadow var(--ease), background-position 420ms ease, border-color var(--ease), color var(--ease);
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{
      color:#07110f;
      background:linear-gradient(110deg,var(--primary),#a7ffd8,var(--amber),var(--primary));
      background-size:220% 100%;
      box-shadow:0 10px 28px rgba(103,255,203,.24), inset 0 -2px 0 rgba(0,0,0,.16);
    }
    .btn-primary:hover,.btn-primary:focus{
      color:#07110f;
      background-position:100% 0;
      box-shadow:0 14px 34px rgba(103,255,203,.34), 0 0 0 1px rgba(103,255,203,.45);
    }
    .btn-ghost{
      color:#eaf5ee;
      border-color:rgba(103,255,203,.28);
      background:rgba(255,255,255,.035);
    }
    .btn-ghost:hover{
      color:#fff;
      border-color:rgba(103,255,203,.62);
      background:rgba(103,255,203,.09);
      box-shadow:var(--glow);
    }
    .menu-toggle{
      display:none;
      width:46px;height:46px;
      border-radius:14px;
      border:1px solid rgba(103,255,203,.24);
      background:rgba(255,255,255,.035);
      padding:10px;
    }
    .menu-toggle span{
      display:block;
      width:100%;
      height:2px;
      margin:6px 0;
      border-radius:999px;
      background:#e9f8ef;
      transition:transform var(--ease), opacity var(--ease);
    }
    .menu-toggle.is-open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
    .menu-toggle.is-open span:nth-child(2){opacity:0}
    .menu-toggle.is-open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

    .page-hero{
      position:relative;
      min-height:460px;
      display:flex;
      align-items:center;
      overflow:hidden;
      background:
        linear-gradient(90deg, rgba(7,17,15,.95) 0%, rgba(7,17,15,.74) 45%, rgba(7,17,15,.9) 100%),
        url('/assets/images/backpic/back-2.webp') center 42% / cover no-repeat;
    }
    .page-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 74% 26%, rgba(103,255,203,.22), transparent 28%),
        radial-gradient(circle at 28% 82%, rgba(242,190,99,.15), transparent 30%),
        linear-gradient(135deg, rgba(103,255,203,.06) 0 1px, transparent 1px 20px);
      opacity:.95;
      pointer-events:none;
    }
    .page-hero::after{
      content:"";
      position:absolute;
      left:0;right:0;bottom:0;height:120px;
      background:linear-gradient(180deg, transparent, var(--bg));
    }
    .hero-content{position:relative;z-index:1;padding:92px 0 72px}
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      margin-bottom:18px;
      color:#b8c7be;
      font-size:14px;
    }
    .breadcrumb a{color:#dbe8df}
    .breadcrumb a:hover{color:var(--primary)}
    .breadcrumb span:last-child{color:var(--primary)}
    .hero-panel{
      position:relative;
      padding:26px;
      border:1px solid rgba(103,255,203,.25);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(180deg, rgba(18,28,25,.86), rgba(12,24,21,.78)),
        radial-gradient(circle at 20% 20%, rgba(103,255,203,.12), transparent 34%);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-panel::before{
      content:"";
      position:absolute;
      inset:-1px;
      border-radius:inherit;
      background:linear-gradient(135deg, rgba(103,255,203,.25), transparent 36%, rgba(242,190,99,.2));
      opacity:.32;
      pointer-events:none;
    }
    .hero-panel > *{position:relative;z-index:1}
    .panel-title{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
      margin-bottom:18px;
      color:#fff;
      font-weight:850;
    }
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(242,190,99,.38);
      color:var(--amber);
      background:rgba(242,190,99,.08);
      font-size:13px;
      font-weight:800;
      white-space:nowrap;
    }
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:36px;
      padding:7px 13px;
      border-radius:999px;
      color:#dce8e1;
      border:1px solid rgba(103,255,203,.2);
      background:rgba(255,255,255,.045);
      font-size:14px;
      font-weight:700;
    }
    .tag.active{
      color:#08120f;
      background:linear-gradient(110deg,var(--primary),#b9ffdf);
      border-color:transparent;
      box-shadow:0 0 20px rgba(103,255,203,.18);
    }
    .mini-progress{
      height:12px;
      border-radius:999px;
      background:#26312e;
      overflow:hidden;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);
      margin:18px 0 14px;
    }
    .mini-progress span{
      display:block;height:100%;width:64%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--primary-2),var(--primary),var(--amber));
      box-shadow:0 0 18px rgba(103,255,203,.48);
    }
    .panel-list{
      display:grid;
      gap:12px;
      margin:18px 0 0;
      padding:0;
      list-style:none;
    }
    .panel-list li{
      display:flex;
      justify-content:space-between;
      gap:14px;
      padding:13px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.07);
      color:#dce7df;
      font-weight:650;
    }
    .panel-list small{color:var(--primary);font-weight:850}

    .filter-strip{
      position:relative;
      z-index:4;
      margin-top:-36px;
    }
    .filter-box{
      padding:16px;
      border-radius:24px;
      border:1px solid rgba(103,255,203,.22);
      background:rgba(13,25,22,.88);
      box-shadow:var(--shadow);
      backdrop-filter:blur(14px);
      overflow:hidden;
    }
    .filter-scroll{
      display:flex;
      gap:10px;
      overflow-x:auto;
      padding-bottom:2px;
      scrollbar-width:none;
    }
    .filter-scroll::-webkit-scrollbar{display:none}
    .chip{
      flex:0 0 auto;
      min-height:42px;
      padding:10px 16px;
      border-radius:999px;
      border:1px solid rgba(103,255,203,.22);
      color:#d9e7df;
      background:rgba(255,255,255,.04);
      font-weight:800;
      font-size:14px;
    }
    .chip:hover{
      color:#fff;
      border-color:rgba(103,255,203,.55);
      background:rgba(103,255,203,.09);
      transform:translateY(-1px);
    }
    .chip.is-active{
      color:#07110f;
      background:linear-gradient(110deg,var(--primary),#d3ffe8);
      border-color:transparent;
      box-shadow:0 0 22px rgba(103,255,203,.22);
    }

    .feature-card,.info-card,.content-card,.rule-card,.cta-box,.faq-wrap{
      border:1px solid rgba(103,255,203,.18);
      background:
        linear-gradient(180deg, rgba(24,35,31,.88), rgba(15,24,21,.88));
      border-radius:var(--radius-lg);
      box-shadow:0 18px 54px rgba(0,0,0,.28);
    }
    .feature-card{
      position:relative;
      min-height:520px;
      overflow:hidden;
      display:flex;
      align-items:flex-end;
    }
    .feature-card img{
      position:absolute;
      inset:0;
      width:100%;
      height:100%;
      object-fit:cover;
      object-position:center;
      transform:scale(1.02);
      transition:transform 600ms ease;
    }
    .feature-card:hover img{transform:scale(1.07)}
    .feature-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(7,17,15,.12), rgba(7,17,15,.62) 42%, rgba(7,17,15,.94));
    }
    .feature-body{
      position:relative;
      z-index:1;
      padding:34px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      border:1px solid rgba(242,190,99,.34);
      color:var(--amber);
      background:rgba(242,190,99,.09);
      font-size:13px;
      font-weight:850;
      margin-bottom:14px;
    }
    .feature-body h2{margin-bottom:12px}
    .feature-body p{max-width:650px;color:#d9e6de}
    .card-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:20px;
    }
    .side-stack{
      display:grid;
      gap:18px;
    }
    .info-card{
      padding:24px;
      border-radius:24px;
      position:relative;
      overflow:hidden;
      transition:transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }
    .info-card::before{
      content:"";
      position:absolute;
      top:0;left:22px;right:22px;height:2px;
      background:linear-gradient(90deg,var(--primary),transparent,var(--amber));
      opacity:.55;
    }
    .info-card:hover{
      transform:translateY(-3px);
      border-color:rgba(103,255,203,.42);
      box-shadow:0 22px 60px rgba(0,0,0,.34), var(--glow);
    }
    .info-card p{margin-bottom:0}
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:15px;
    }
    .meta{
      color:#b9c8bf;
      font-size:13px;
      padding:5px 9px;
      border-radius:999px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.075);
    }

    .guide-layout{align-items:stretch}
    .content-list{
      display:grid;
      gap:18px;
    }
    .content-card{
      display:grid;
      grid-template-columns:168px minmax(0,1fr);
      gap:20px;
      padding:16px;
      border-radius:24px;
      overflow:hidden;
      transition:transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }
    .content-card:hover{
      transform:translateY(-3px);
      border-color:rgba(103,255,203,.42);
      box-shadow:0 20px 52px rgba(0,0,0,.34), var(--glow);
    }
    .content-thumb{
      position:relative;
      min-height:150px;
      border-radius:18px;
      overflow:hidden;
      background:#111;
    }
    .content-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform 500ms ease;
    }
    .content-card:hover .content-thumb img{transform:scale(1.08)}
    .content-thumb::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent, rgba(7,17,15,.5));
    }
    .content-body{
      padding:6px 4px 4px 0;
      min-width:0;
    }
    .content-body h3{margin-bottom:8px}
    .content-body p{margin-bottom:14px}
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary);
      font-weight:850;
    }
    .text-link::after{
      content:"→";
      transition:transform var(--ease);
    }
    .text-link:hover::after{transform:translateX(4px)}
    .rule-card{
      padding:28px;
      border-radius:24px;
      position:sticky;
      top:104px;
    }
    .rule-list{
      display:grid;
      gap:14px;
      list-style:none;
      padding:0;
      margin:20px 0 0;
    }
    .rule-list li{
      position:relative;
      padding-left:30px;
      color:#d0ddd5;
    }
    .rule-list li::before{
      content:"";
      position:absolute;
      left:0;top:.62em;
      width:14px;height:14px;
      border-radius:50%;
      border:3px solid rgba(103,255,203,.82);
      box-shadow:0 0 16px rgba(103,255,203,.36);
      background:#0b1512;
    }
    .rule-note{
      margin-top:22px;
      padding:14px 16px;
      border-radius:18px;
      border:1px solid rgba(242,190,99,.22);
      background:rgba(242,190,99,.07);
      color:#e4d1a9;
      font-size:14px;
    }

    .progress-module{
      padding:30px;
      border-radius:var(--radius-lg);
      border:1px solid rgba(103,255,203,.2);
      background:
        radial-gradient(circle at 16% 0%, rgba(103,255,203,.14), transparent 28%),
        linear-gradient(180deg, rgba(18,28,25,.92), rgba(11,20,18,.94));
      box-shadow:var(--shadow);
    }
    .progress-head{
      display:flex;
      justify-content:space-between;
      gap:20px;
      align-items:flex-start;
      margin-bottom:24px;
    }
    .progress-line{
      position:relative;
      height:14px;
      border-radius:999px;
      background:#26312e;
      overflow:hidden;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);
    }
    .progress-line span{
      display:block;
      width:72%;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--primary-2),var(--primary),var(--amber));
      box-shadow:0 0 22px rgba(103,255,203,.45);
    }
    .milestones{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      margin-top:22px;
    }
    .milestone{
      position:relative;
      padding:18px 16px;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
      min-height:138px;
    }
    .milestone.is-now{
      border-color:rgba(103,255,203,.42);
      background:rgba(103,255,203,.08);
      box-shadow:inset 0 0 0 1px rgba(103,255,203,.08);
    }
    .node{
      display:inline-flex;
      width:34px;height:34px;
      align-items:center;
      justify-content:center;
      border-radius:50%;
      margin-bottom:12px;
      color:#07110f;
      background:linear-gradient(135deg,var(--primary),#caffdf);
      font-weight:900;
      box-shadow:0 0 18px rgba(103,255,203,.25);
    }
    .milestone h3{font-size:18px;margin-bottom:6px}
    .milestone p{font-size:14px;margin:0;color:#b7c6bd}

    .faq-wrap{
      padding:18px;
      border-radius:var(--radius-lg);
    }
    .accordion{
      background:transparent;
      margin:0;
    }
    .accordion-item{
      margin-bottom:12px;
      border:1px solid rgba(103,255,203,.14);
      border-radius:20px;
      overflow:hidden;
      background:rgba(255,255,255,.035);
    }
    .accordion-item:last-child{margin-bottom:0}
    .accordion-title{
      position:relative;
      padding:20px 54px 20px 22px;
      border:0;
      color:#eef8f1;
      font-size:18px;
      font-weight:850;
      line-height:1.45;
      background:transparent;
    }
    .accordion-title:hover,.accordion-title:focus{
      color:#fff;
      background:rgba(103,255,203,.07);
    }
    .accordion-title::before{
      right:24px;
      margin-top:-.65rem;
      color:var(--primary);
      font-size:24px;
      font-weight:400;
    }
    .accordion-content{
      padding:0 22px 22px;
      border:0;
      background:transparent;
      color:#b9c8bf;
    }
    .accordion-content p{margin-bottom:0;color:#b9c8bf}

    .cta-box{
      position:relative;
      overflow:hidden;
      padding:42px;
      background:
        linear-gradient(90deg, rgba(11,20,18,.96), rgba(15,32,27,.88)),
        url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
    }
    .cta-box::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 80% 22%, rgba(103,255,203,.19), transparent 27%),
        linear-gradient(120deg, rgba(7,17,15,.92), rgba(7,17,15,.72));
      pointer-events:none;
    }
    .cta-box > *{position:relative;z-index:1}
    .cta-row{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:26px;
    }
    .cta-row p{margin-bottom:0;max-width:720px}

    .site-footer{
      position:relative;
      padding:58px 0 28px;
      background:#050b0a;
      border-top:1px solid rgba(103,255,203,.18);
    }
    .site-footer::before{
      content:"";
      position:absolute;
      left:0;right:0;top:0;height:1px;
      background:linear-gradient(90deg, transparent, rgba(103,255,203,.7), rgba(242,190,99,.55), transparent);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr 1fr;
      gap:34px;
      align-items:start;
    }
    .footer-title{
      margin-bottom:14px;
      color:#fff;
      font-size:16px;
      font-weight:900;
    }
    .footer-note{
      max-width:460px;
      color:#93a49a;
      font-size:14px;
      line-height:1.85;
    }
    .footer-links{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#adc0b5;
      font-weight:700;
    }
    .footer-links a:hover{color:var(--primary)}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      margin-top:36px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      color:#718279;
      font-size:13px;
    }

    @media (max-width:1023px){
      :root{--nav-h:70px}
      .section{padding:74px 0}
      .section-head{display:block}
      .section-head .lead{margin-top:10px}
      .hero-panel{margin-top:26px}
      .feature-card{min-height:440px}
      .rule-card{position:relative;top:auto;margin-top:22px}
      .milestones{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid > div:first-child{grid-column:1/-1}
    }
    @media (max-width:767px){
      .grid-container{padding-left:18px;padding-right:18px}
      .menu-toggle{display:block;order:3}
      .nav-actions{display:none}
      .nav-menu{
        position:fixed;
        left:16px;right:16px;top:78px;
        display:none;
        flex:none;
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        padding:16px;
        border-radius:24px;
        background:rgba(7,17,15,.98);
        border:1px solid rgba(103,255,203,.22);
        box-shadow:0 24px 80px rgba(0,0,0,.56);
      }
      .nav-menu.is-open{display:flex}
      .nav-link{
        width:100%;
        min-height:50px;
        justify-content:center;
        border-radius:16px;
      }
      .brand{font-size:20px}
      .brand-mark{width:38px;height:38px}
      .page-hero{min-height:auto}
      .hero-content{padding:64px 0 70px}
      .hero-tags{gap:8px}
      .tag{font-size:13px}
      .filter-strip{margin-top:-28px}
      .feature-body{padding:24px}
      .feature-card{min-height:390px}
      .content-card{grid-template-columns:1fr;padding:14px}
      .content-thumb{min-height:190px}
      .content-body{padding:2px}
      .progress-head{display:block}
      .milestones{grid-template-columns:1fr}
      .milestone{min-height:auto}
      .cta-row{display:block}
      .cta-row .btn{margin-top:20px;width:100%}
      .card-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }
    @media (max-width:520px){
      h1{font-size:35px}
      h2{font-size:27px}
      h3{font-size:20px}
      .lead{font-size:16px}
      .section{padding:62px 0}
      .hero-panel,.progress-module,.cta-box{padding:22px}
      .panel-list li{display:block}
      .panel-list small{display:block;margin-top:4px}
      .accordion-title{font-size:16px;padding:18px 48px 18px 18px}
      .accordion-content{padding:0 18px 18px}
    }
    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{
        animation-duration:.01ms!important;
        animation-iteration-count:1!important;
        scroll-behavior:auto!important;
        transition-duration:.01ms!important;
      }
    }