/* roulang page: index */
:root{
      --primary:#2563EB;
      --primary-dark:#1D4ED8;
      --sky:#38BDF8;
      --mint:#34D399;
      --lemon:#FACC15;
      --accent:#0EA5E9;
      --bg:#F8FBFF;
      --bg-soft:#F3F7FC;
      --surface:#FFFFFF;
      --text:#0F172A;
      --muted:#475569;
      --soft:#64748B;
      --border:#E2E8F0;
      --border-blue:#BFDBFE;
      --danger:#EF4444;
      --success:#10B981;
      --radius-xl:32px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-pill:999px;
      --shadow-sm:0 8px 22px rgba(15,23,42,.06);
      --shadow:0 14px 40px rgba(15,23,42,.08);
      --shadow-hover:0 18px 48px rgba(15,23,42,.12);
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 8%, rgba(56,189,248,.18), transparent 28%),
        radial-gradient(circle at 92% 15%, rgba(52,211,153,.14), transparent 25%),
        linear-gradient(180deg,#F8FBFF 0%,#FFFFFF 46%,#F7FAFF 100%);
      line-height:1.75;
      min-width:320px;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      background-image:
        radial-gradient(rgba(37,99,235,.09) 1px, transparent 1px);
      background-size:28px 28px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 70%);
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:82px 0}
    .section-tight{padding:58px 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:24px;
      align-items:flex-end;
      margin-bottom:30px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:var(--radius-pill);
      background:#EFF6FF;
      color:var(--primary-dark);
      border:1px solid var(--border-blue);
      font-size:14px;
      font-weight:700;
    }
    .eyebrow .dot{
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg,var(--sky),var(--mint));
      box-shadow:0 0 0 5px rgba(56,189,248,.12);
    }
    h1,h2,h3,p{margin:0}
    h1{
      font-size:clamp(34px,5vw,58px);
      line-height:1.12;
      font-weight:850;
      letter-spacing:-.04em;
    }
    h2{
      font-size:clamp(28px,3.2vw,38px);
      line-height:1.22;
      font-weight:820;
      letter-spacing:-.025em;
    }
    h3{font-size:21px;line-height:1.35;font-weight:780}
    .lead{font-size:18px;color:var(--muted);line-height:1.85}
    .muted{color:var(--muted)}
    .small{font-size:14px;color:var(--soft);line-height:1.65}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(226,232,240,.9);
    }
    .nav-wrap{
      display:grid;
      grid-template-columns:auto minmax(360px,1fr) auto;
      align-items:center;
      gap:22px;
      padding:16px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:850;
      letter-spacing:-.02em;
      white-space:nowrap;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:16px;
      display:grid;place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--sky));
      box-shadow:0 12px 26px rgba(37,99,235,.22);
      position:relative;
      overflow:hidden;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      width:16px;height:16px;
      right:-3px;bottom:5px;
      border-radius:50%;
      background:rgba(250,204,21,.9);
    }
    .nav-search{
      display:flex;
      align-items:center;
      gap:8px;
      background:#fff;
      border:1px solid var(--border-blue);
      border-radius:var(--radius-pill);
      padding:6px 7px 6px 16px;
      box-shadow:var(--shadow-sm);
      min-height:54px;
      transition:.2s ease;
    }
    .nav-search:focus-within{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(37,99,235,.12),var(--shadow-sm);
    }
    .nav-search svg{width:20px;height:20px;color:var(--accent);flex:0 0 auto}
    .nav-search input{
      border:0;
      outline:0;
      min-width:0;
      flex:1;
      background:transparent;
      color:var(--text);
      font-size:15px;
    }
    .nav-search input::placeholder{color:#94A3B8}
    .search-btn{
      border:0;
      border-radius:var(--radius-pill);
      background:var(--primary);
      color:#fff;
      padding:10px 18px;
      font-weight:760;
      transition:.2s ease;
      box-shadow:0 10px 20px rgba(37,99,235,.2);
    }
    .search-btn:hover{background:var(--primary-dark);transform:translateY(-1px)}
    .search-btn:active{transform:translateY(0)}
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      white-space:nowrap;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      padding:10px 14px;
      border-radius:var(--radius-pill);
      color:var(--muted);
      font-weight:720;
      font-size:15px;
      transition:.2s ease;
    }
    .nav-link:hover{background:#EFF6FF;color:var(--primary-dark)}
    .nav-link.active{background:var(--primary);color:#fff;box-shadow:0 10px 22px rgba(37,99,235,.18)}
    .menu-btn{
      display:none;
      border:1px solid var(--border);
      background:#fff;
      border-radius:16px;
      width:44px;height:44px;
      align-items:center;
      justify-content:center;
      color:var(--primary-dark);
      box-shadow:var(--shadow-sm);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border-radius:var(--radius-pill);
      padding:13px 22px;
      min-height:48px;
      font-weight:780;
      border:1px solid transparent;
      transition:.22s ease;
      line-height:1;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--primary),var(--accent));
      color:#fff;
      box-shadow:0 16px 30px rgba(37,99,235,.22);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 38px rgba(37,99,235,.28)}
    .btn-secondary{
      background:#fff;
      color:var(--primary-dark);
      border-color:var(--border-blue);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary:hover{background:#EFF6FF;transform:translateY(-2px)}
    .btn-ghost{background:transparent;color:var(--muted)}
    .btn-ghost:hover{background:#EFF6FF;color:var(--primary-dark)}
    .btn:focus-visible,.nav-link:focus-visible,.search-btn:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
      outline:3px solid rgba(14,165,233,.28);
      outline-offset:3px;
    }
    .badge,.tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:var(--radius-pill);
      padding:6px 10px;
      font-size:13px;
      font-weight:720;
      color:#1E40AF;
      background:#EFF6FF;
      border:1px solid #DBEAFE;
      white-space:nowrap;
    }
    .tag.mint{background:#ECFDF5;color:#047857;border-color:#BBF7D0}
    .tag.yellow{background:#FEFCE8;color:#A16207;border-color:#FEF08A}
    .tag.sky{background:#F0F9FF;color:#0369A1;border-color:#BAE6FD}
    .hero{
      padding:74px 0 70px;
    }
    .hero-stage{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(191,219,254,.85);
      border-radius:42px;
      background:
        radial-gradient(circle at 22% 18%,rgba(250,204,21,.22),transparent 22%),
        radial-gradient(circle at 82% 22%,rgba(52,211,153,.18),transparent 24%),
        linear-gradient(135deg,#EFF6FF 0%,#FFFFFF 46%,#E0F2FE 100%);
      box-shadow:0 24px 70px rgba(37,99,235,.13);
      padding:34px;
    }
    .hero-stage::before,.hero-stage::after{
      content:"";
      position:absolute;
      border-radius:999px;
      background:rgba(255,255,255,.55);
      border:1px solid rgba(255,255,255,.75);
    }
    .hero-stage::before{width:180px;height:70px;right:7%;top:8%;transform:rotate(-10deg)}
    .hero-stage::after{width:110px;height:42px;left:9%;bottom:8%;transform:rotate(12deg)}
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(340px,.98fr);
      gap:28px;
      align-items:stretch;
    }
    .hero-copy{
      padding:28px 10px 22px 10px;
      display:flex;
      flex-direction:column;
      justify-content:center;
      gap:22px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
    .data-strip{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:4px;
    }
    .data-pill{
      display:flex;
      align-items:center;
      gap:8px;
      padding:10px 13px;
      border-radius:18px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(191,219,254,.8);
      box-shadow:0 10px 24px rgba(15,23,42,.05);
      color:var(--muted);
      font-weight:700;
      font-size:14px;
    }
    .hero-panel{
      background:rgba(255,255,255,.82);
      border:1px solid rgba(226,232,240,.95);
      border-radius:34px;
      padding:22px;
      box-shadow:var(--shadow);
      backdrop-filter:blur(10px);
      position:relative;
      overflow:hidden;
    }
    .progress-area{
      display:grid;
      grid-template-columns:190px 1fr;
      gap:18px;
      align-items:center;
      margin-bottom:18px;
    }
    .progress-ring{
      width:176px;height:176px;border-radius:50%;
      display:grid;place-items:center;
      background:
        conic-gradient(var(--primary) 0 76%, #DBEAFE 76% 100%);
      position:relative;
      box-shadow:inset 0 0 0 1px rgba(37,99,235,.1), 0 14px 34px rgba(37,99,235,.16);
    }
    .progress-ring::before{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:50%;
      background:#fff;
      box-shadow:inset 0 0 0 1px var(--border);
    }
    .progress-ring strong,.progress-ring span{position:relative;z-index:1;display:block;text-align:center}
    .progress-ring strong{font-size:38px;line-height:1;color:var(--primary-dark);font-weight:900}
    .progress-ring span{font-size:13px;color:var(--soft);margin-top:7px}
    .tier-list{display:grid;gap:10px}
    .tier{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:12px 14px;
      border:1px solid var(--border);
      border-radius:18px;
      background:#fff;
      transition:.2s ease;
    }
    .tier:hover{border-color:#93C5FD;transform:translateY(-2px)}
    .tier b{font-size:15px}
    .tier small{color:var(--soft);font-weight:700}
    .entry-matrix{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:14px;
    }
    .entry{
      min-height:104px;
      padding:14px;
      border-radius:22px;
      border:1px solid var(--border);
      background:linear-gradient(180deg,#fff,#F8FBFF);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      transition:.22s ease;
    }
    .entry:hover{transform:translateY(-3px);border-color:#93C5FD;box-shadow:var(--shadow-sm)}
    .entry-icon{
      width:36px;height:36px;border-radius:14px;
      display:grid;place-items:center;
      color:var(--primary-dark);
      background:#EFF6FF;
      font-weight:900;
    }
    .entry:nth-child(2) .entry-icon,.entry:nth-child(5) .entry-icon{background:#ECFDF5;color:#047857}
    .entry:nth-child(3) .entry-icon,.entry:nth-child(6) .entry-icon{background:#FEFCE8;color:#A16207}
    .entry span{font-weight:800;font-size:15px}
    .feature-bar{
      margin-top:-22px;
      position:relative;
      z-index:2;
    }
    .feature-strip{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      padding:14px;
      border-radius:28px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
    }
    .feature-mini{
      display:flex;
      gap:12px;
      align-items:center;
      padding:14px;
      border-radius:22px;
      background:#F8FBFF;
    }
    .mini-icon{
      width:42px;height:42px;border-radius:16px;
      display:grid;place-items:center;
      background:#EFF6FF;
      color:var(--primary-dark);
      flex:0 0 auto;
    }
    .time-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr .95fr;
      gap:18px;
    }
    .time-card,.card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      padding:24px;
      box-shadow:var(--shadow-sm);
      transition:.22s ease;
    }
    .time-card:hover,.card:hover{
      transform:translateY(-3px);
      border-color:#93C5FD;
      box-shadow:var(--shadow-hover);
    }
    .time-card.large{
      grid-row:span 2;
      background:
        radial-gradient(circle at 90% 10%,rgba(56,189,248,.18),transparent 30%),
        linear-gradient(135deg,#FFFFFF,#EFF6FF);
    }
    .time-top{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:16px}
    .time-num{
      font-size:42px;
      line-height:1;
      font-weight:900;
      color:var(--primary-dark);
      letter-spacing:-.04em;
    }
    .info-layout{
      display:grid;
      grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);
      gap:22px;
      align-items:start;
    }
    .news-list{
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .news-item{
      display:grid;
      grid-template-columns:120px 1fr auto;
      gap:18px;
      padding:20px 22px;
      align-items:center;
      border-bottom:1px solid var(--border);
      transition:.2s ease;
    }
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:#F8FBFF}
    .news-date{
      display:inline-flex;
      justify-content:center;
      align-items:center;
      min-height:42px;
      border-radius:16px;
      background:#EFF6FF;
      color:var(--primary-dark);
      font-weight:800;
    }
    .news-item a{
      font-size:18px;
      font-weight:790;
      color:var(--text);
      transition:.2s ease;
    }
    .news-item a:hover{color:var(--primary-dark)}
    .arrow{
      width:36px;height:36px;border-radius:50%;
      display:grid;place-items:center;
      color:var(--primary-dark);
      background:#EFF6FF;
      transition:.2s ease;
    }
    .news-item:hover .arrow{transform:translateX(3px);background:var(--primary);color:#fff}
    .recommend-box{
      border-radius:var(--radius-xl);
      padding:24px;
      background:
        radial-gradient(circle at 80% 12%,rgba(250,204,21,.18),transparent 25%),
        linear-gradient(160deg,#1D4ED8,#0EA5E9);
      color:#fff;
      box-shadow:0 18px 45px rgba(37,99,235,.22);
    }
    .recommend-box .small{color:rgba(255,255,255,.78)}
    .recommend-box .tag{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.15);color:#fff}
    .form-wrap{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:22px;
      align-items:stretch;
    }
    .form-panel{
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      padding:28px;
      box-shadow:var(--shadow);
    }
    .notice-card{
      border-radius:var(--radius-xl);
      padding:30px;
      background:
        radial-gradient(circle at 18% 16%,rgba(52,211,153,.18),transparent 24%),
        linear-gradient(135deg,#EFF6FF,#FFFFFF);
      border:1px solid var(--border-blue);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:24px;
    }
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:flex;flex-direction:column;gap:7px}
    .field.full{grid-column:1/-1}
    .field label{font-weight:760;color:var(--text);font-size:14px}
    .field input,.field textarea{
      width:100%;
      border:1px solid var(--border);
      border-radius:18px;
      padding:13px 15px;
      background:#F8FBFF;
      outline:0;
      transition:.2s ease;
    }
    .field textarea{min-height:112px;resize:vertical}
    .field input:focus,.field textarea:focus{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(37,99,235,.1);
      background:#fff;
    }
    .form-tip{
      display:flex;
      align-items:flex-start;
      gap:10px;
      margin-top:14px;
      padding:12px 14px;
      border-radius:18px;
      background:#ECFDF5;
      color:#047857;
      font-size:14px;
      font-weight:650;
    }
    .rail{
      display:flex;
      gap:18px;
      overflow-x:auto;
      padding:8px 4px 18px;
      scroll-snap-type:x mandatory;
      scrollbar-width:thin;
      scrollbar-color:#93C5FD #EFF6FF;
    }
    .rail-card{
      flex:0 0 260px;
      scroll-snap-align:start;
      border-radius:28px;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      transition:.22s ease;
    }
    .rail-card:hover{transform:translateY(-4px);border-color:#93C5FD;box-shadow:var(--shadow-hover)}
    .abstract-cover{
      height:136px;
      position:relative;
      background:linear-gradient(135deg,#DBEAFE,#BAE6FD);
      overflow:hidden;
    }
    .abstract-cover::before{
      content:"";
      position:absolute;
      width:128px;height:128px;
      right:-30px;top:-30px;
      border-radius:36px;
      background:rgba(255,255,255,.45);
      transform:rotate(18deg);
    }
    .abstract-cover::after{
      content:"";
      position:absolute;
      width:54px;height:54px;
      left:22px;bottom:20px;
      border-radius:22px;
      background:rgba(52,211,153,.55);
      box-shadow:72px -16px 0 rgba(250,204,21,.45);
    }
    .rail-body{padding:18px}
    .rail-body h3{font-size:19px;margin-bottom:8px}
    .focus-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr .85fr;
      grid-auto-rows:minmax(178px,auto);
      gap:18px;
    }
    .focus-card{
      border-radius:var(--radius-lg);
      padding:24px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      transition:.22s ease;
    }
    .focus-card:hover{transform:translateY(-3px);border-color:#93C5FD;box-shadow:var(--shadow-hover)}
    .focus-card.major{
      grid-row:span 2;
      background:
        radial-gradient(circle at 82% 18%,rgba(56,189,248,.2),transparent 30%),
        linear-gradient(145deg,#FFFFFF,#EFF6FF);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:374px;
    }
    .focus-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
    .index-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:18px;
    }
    .index-card{
      min-height:190px;
      border-radius:var(--radius-lg);
      padding:24px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      transition:.22s ease;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .index-card.wide{
      grid-row:span 2;
      background:
        radial-gradient(circle at 20% 20%,rgba(250,204,21,.16),transparent 28%),
        linear-gradient(160deg,#F8FBFF,#FFFFFF);
    }
    .index-card:hover{transform:translateY(-3px);border-color:#93C5FD;box-shadow:var(--shadow-hover)}
    .icon-round{
      width:48px;height:48px;border-radius:18px;
      display:grid;place-items:center;
      background:#EFF6FF;
      color:var(--primary-dark);
      font-weight:900;
      margin-bottom:14px;
    }
    .steps{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:14px;
      position:relative;
    }
    .step{
      position:relative;
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      padding:22px;
      box-shadow:var(--shadow-sm);
      transition:.22s ease;
    }
    .step:hover{transform:translateY(-3px);border-color:#93C5FD;box-shadow:var(--shadow-hover)}
    .step-num{
      width:36px;height:36px;border-radius:14px;
      display:grid;place-items:center;
      background:var(--primary);
      color:#fff;
      font-weight:900;
      margin-bottom:14px;
      box-shadow:0 10px 20px rgba(37,99,235,.2);
    }
    .faq-wrap{
      display:grid;
      grid-template-columns:.75fr 1.25fr;
      gap:26px;
      align-items:start;
    }
    .faq-list{display:grid;gap:14px}
    details{
      background:#fff;
      border:1px solid var(--border);
      border-radius:22px;
      padding:0;
      box-shadow:var(--shadow-sm);
      overflow:hidden;
      transition:.22s ease;
    }
    details[open]{border-color:#93C5FD;box-shadow:var(--shadow)}
    summary{
      list-style:none;
      cursor:pointer;
      padding:20px 22px;
      font-weight:800;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    summary::-webkit-details-marker{display:none}
    summary::after{
      content:"+";
      width:30px;height:30px;border-radius:50%;
      display:grid;place-items:center;
      background:#EFF6FF;
      color:var(--primary-dark);
      font-size:20px;
      flex:0 0 auto;
      transition:.2s ease;
    }
    details[open] summary::after{content:"−";background:var(--primary);color:#fff}
    .faq-answer{
      padding:0 22px 22px;
      color:var(--muted);
      line-height:1.8;
    }
    .cta{
      padding:84px 0 96px;
    }
    .cta-box{
      position:relative;
      overflow:hidden;
      border-radius:38px;
      padding:42px;
      background:
        radial-gradient(circle at 14% 20%,rgba(250,204,21,.22),transparent 24%),
        radial-gradient(circle at 82% 22%,rgba(52,211,153,.22),transparent 24%),
        linear-gradient(135deg,#DBEAFE,#FFFFFF 50%,#E0F2FE);
      border:1px solid var(--border-blue);
      box-shadow:0 24px 70px rgba(37,99,235,.13);
      display:grid;
      grid-template-columns:1fr auto;
      align-items:center;
      gap:28px;
    }
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .site-footer{
      border-top:1px solid var(--border);
      background:#fff;
      padding:44px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:28px;
      align-items:start;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
    }
    .footer-links a{
      color:var(--muted);
      padding:8px 10px;
      border-radius:var(--radius-pill);
      transition:.2s ease;
      font-weight:650;
    }
    .footer-links a:hover{background:#EFF6FF;color:var(--primary-dark)}
    .copyright{
      margin-top:26px;
      padding-top:22px;
      border-top:1px solid var(--border);
      color:var(--soft);
      font-size:14px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
    }
    .mobile-tabs{display:none}
    .toast{
      position:fixed;
      left:50%;
      bottom:24px;
      transform:translateX(-50%) translateY(20px);
      opacity:0;
      pointer-events:none;
      background:#0F172A;
      color:#fff;
      border-radius:18px;
      padding:12px 16px;
      box-shadow:0 20px 45px rgba(15,23,42,.22);
      z-index:80;
      transition:.25s ease;
      font-weight:700;
      max-width:calc(100% - 32px);
      text-align:center;
    }
    .toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
    @media (max-width:1024px){
      .container{width:min(100% - 32px,var(--container))}
      .nav-wrap{grid-template-columns:1fr auto;gap:12px}
      .brand{grid-column:1/2}
      .menu-btn{display:flex;grid-column:2/3;grid-row:1}
      .nav-search{grid-column:1/-1;grid-row:2}
      .nav-links{
        grid-column:1/-1;
        overflow-x:auto;
        padding:4px 0 2px;
      }
      .hero-grid,.form-wrap,.info-layout,.faq-wrap,.cta-box{grid-template-columns:1fr}
      .progress-area{grid-template-columns:170px 1fr}
      .feature-strip{grid-template-columns:repeat(2,1fr)}
      .time-grid,.focus-grid,.index-grid{grid-template-columns:repeat(2,1fr)}
      .focus-card.major,.time-card.large,.index-card.wide{grid-row:auto}
      .steps{grid-template-columns:repeat(3,1fr)}
      .cta-actions{justify-content:flex-start}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:768px){
      .section{padding:62px 0}
      .section-tight{padding:44px 0}
      .hero{padding:34px 0 58px}
      .hero-stage{border-radius:30px;padding:22px}
      .hero-copy{padding:10px 2px}
      .lead{font-size:16px}
      .section-head{display:block}
      .section-head .lead{margin-top:10px}
      .progress-area{grid-template-columns:1fr;justify-items:center;text-align:center}
      .entry-matrix{grid-template-columns:repeat(2,1fr)}
      .feature-strip,.time-grid,.focus-grid,.index-grid,.steps,.form-grid{grid-template-columns:1fr}
      .news-item{grid-template-columns:1fr;gap:10px}
      .news-date{justify-content:flex-start;padding:9px 12px;width:max-content}
      .arrow{display:none}
      .cta-box{padding:28px;border-radius:30px}
      .hero-actions .btn,.cta-actions .btn,.form-panel .btn{width:100%}
      .nav-search{border-radius:22px;flex-wrap:nowrap}
      .search-btn{padding:10px 14px}
    }
    @media (max-width:520px){
      .container{width:min(100% - 24px,var(--container))}
      .brand span{font-size:15px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .nav-link{font-size:14px;padding:9px 12px}
      .hero-stage{padding:18px}
      h1{font-size:34px}
      h2{font-size:27px}
      .entry-matrix{grid-template-columns:1fr}
      .rail-card{flex-basis:232px}
      .time-card,.card,.focus-card,.index-card,.form-panel,.notice-card{padding:20px}
      .footer-links{display:grid;grid-template-columns:1fr 1fr;width:100%}
      .footer-links a{padding-left:0}
    }

/* roulang page: category1 */
:root{
      --primary:#2563eb;
      --primary-dark:#1d4ed8;
      --primary-soft:#eff6ff;
      --accent:#0ea5e9;
      --sky:#38bdf8;
      --mint:#34d399;
      --lemon:#facc15;
      --bg:#f8fbff;
      --bg-2:#f3f7fc;
      --surface:#ffffff;
      --text:#0f172a;
      --muted:#475569;
      --weak:#64748b;
      --border:#e2e8f0;
      --border-strong:#bfdbfe;
      --danger:#ef4444;
      --success:#10b981;
      --shadow:0 14px 40px rgba(15,23,42,.08);
      --shadow-hover:0 18px 48px rgba(15,23,42,.12);
      --radius-xl:32px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-pill:999px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 4%, rgba(56,189,248,.16), transparent 34%),
        radial-gradient(circle at 92% 18%, rgba(52,211,153,.12), transparent 30%),
        linear-gradient(180deg,#fff 0%,var(--bg) 42%,#fff 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    input,textarea{outline:none}
    ::selection{background:#bfdbfe;color:#0f172a}
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin-inline:auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.88);
      border-bottom:1px solid rgba(226,232,240,.9);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
    }
    .nav-wrap{
      min-height:82px;
      display:grid;
      grid-template-columns:auto minmax(320px,1fr) auto auto;
      align-items:center;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:800;
      color:var(--text);
      letter-spacing:-.02em;
      white-space:nowrap;
      transition:transform .2s ease,color .2s ease;
    }
    .brand:hover{transform:translateY(-1px);color:var(--primary)}
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 12px 26px rgba(37,99,235,.22);
      flex:0 0 auto;
    }
    .nav-search{
      height:54px;
      display:flex;
      align-items:center;
      gap:10px;
      background:#fff;
      border:1px solid var(--border-strong);
      border-radius:var(--radius-pill);
      padding:6px 6px 6px 18px;
      box-shadow:0 10px 30px rgba(37,99,235,.08);
      transition:border-color .2s ease, box-shadow .2s ease, transform .2s ease;
    }
    .nav-search:focus-within{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(37,99,235,.12), 0 14px 34px rgba(37,99,235,.12);
      transform:translateY(-1px);
    }
    .nav-search svg{
      width:22px;
      height:22px;
      color:var(--primary);
      flex:0 0 auto;
    }
    .nav-search input{
      width:100%;
      min-width:0;
      border:0;
      color:var(--text);
      background:transparent;
      font-size:15px;
    }
    .nav-search input::placeholder{color:#94a3b8}
    .search-btn,.btn-primary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:var(--radius-pill);
      background:var(--primary);
      color:#fff;
      font-weight:750;
      padding:12px 22px;
      box-shadow:0 12px 26px rgba(37,99,235,.22);
      transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
      white-space:nowrap;
    }
    .search-btn{height:42px;padding:0 18px}
    .search-btn:hover,.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 16px 30px rgba(37,99,235,.28)}
    .search-btn:active,.btn-primary:active{transform:translateY(0)}
    .btn-secondary,.btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:var(--radius-pill);
      font-weight:750;
      padding:12px 22px;
      transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
      white-space:nowrap;
    }
    .btn-secondary{
      color:var(--primary);
      background:#fff;
      border:1px solid #bfdbfe;
      box-shadow:0 10px 24px rgba(15,23,42,.06);
    }
    .btn-secondary:hover{background:#eff6ff;border-color:#93c5fd;transform:translateY(-2px)}
    .btn-ghost{
      color:var(--muted);
      background:transparent;
      border:1px solid transparent;
    }
    .btn-ghost:hover{color:var(--primary);background:#eff6ff}
    .menu-btn{
      display:none;
      width:44px;
      height:44px;
      border-radius:16px;
      color:var(--primary);
      background:#eff6ff;
      transition:background .2s ease, transform .2s ease;
    }
    .menu-btn:hover{background:#dbeafe;transform:translateY(-1px)}
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
    }
    .nav-link{
      position:relative;
      padding:10px 15px;
      border-radius:var(--radius-pill);
      color:var(--muted);
      font-weight:720;
      transition:background .2s ease,color .2s ease,transform .2s ease;
      white-space:nowrap;
    }
    .nav-link:hover{background:#eff6ff;color:var(--primary);transform:translateY(-1px)}
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 10px 24px rgba(37,99,235,.18);
    }
    .section{padding:76px 0}
    .section-tight{padding:52px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border-radius:var(--radius-pill);
      padding:8px 12px;
      background:#ecfeff;
      color:#0369a1;
      border:1px solid #bae6fd;
      font-weight:750;
      font-size:14px;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--mint);
      box-shadow:0 0 0 5px rgba(52,211,153,.12);
    }
    .hero{
      padding:58px 0 42px;
      position:relative;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:18px 4vw auto auto;
      width:220px;
      height:220px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(250,204,21,.22),transparent 68%);
      pointer-events:none;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-bottom:22px;
      color:var(--weak);
      font-size:14px;
    }
    .breadcrumb a{color:var(--primary);font-weight:700}
    .breadcrumb span:last-child{color:var(--muted)}
    .hero-panel{
      position:relative;
      overflow:hidden;
      border-radius:38px;
      border:1px solid rgba(191,219,254,.88);
      background:
        linear-gradient(135deg,rgba(239,246,255,.95),rgba(255,255,255,.9) 54%,rgba(236,254,255,.92)),
        radial-gradient(circle at 12% 20%,rgba(56,189,248,.18),transparent 26%);
      box-shadow:var(--shadow);
      padding:34px;
    }
    .hero-panel::after{
      content:"";
      position:absolute;
      inset:0;
      opacity:.35;
      background-image:radial-gradient(#93c5fd 1px, transparent 1px);
      background-size:22px 22px;
      mask-image:linear-gradient(90deg,transparent,black 18%,black 72%,transparent);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:34px;
      align-items:stretch;
    }
    h1{
      margin:18px 0 18px;
      max-width:780px;
      font-size:clamp(34px,5vw,58px);
      line-height:1.12;
      letter-spacing:-.04em;
      font-weight:850;
      color:var(--text);
    }
    .lead{
      max-width:760px;
      margin:0;
      font-size:18px;
      color:var(--muted);
      line-height:1.8;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-note{
      margin-top:18px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      color:var(--weak);
      font-size:14px;
    }
    .mini-dot{
      display:inline-flex;
      align-items:center;
      gap:7px;
    }
    .mini-dot::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
    }
    .guide-card{
      min-height:100%;
      border-radius:30px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:0 16px 44px rgba(37,99,235,.09);
      padding:24px;
      display:grid;
      grid-template-rows:auto 1fr auto;
      gap:20px;
    }
    .guide-cover{
      position:relative;
      min-height:190px;
      overflow:hidden;
      border-radius:24px;
      background:
        linear-gradient(135deg,#1d4ed8,#0ea5e9 56%,#34d399),
        radial-gradient(circle at 22% 18%,rgba(255,255,255,.38),transparent 24%);
      color:#fff;
      padding:24px;
    }
    .guide-cover::before,.guide-cover::after{
      content:"";
      position:absolute;
      border-radius:999px;
      background:rgba(255,255,255,.18);
    }
    .guide-cover::before{width:150px;height:150px;right:-34px;top:-36px}
    .guide-cover::after{width:96px;height:96px;left:34px;bottom:-34px}
    .cover-title{
      position:relative;
      z-index:1;
      font-weight:850;
      font-size:24px;
      line-height:1.3;
      max-width:260px;
    }
    .cover-list{
      position:relative;
      z-index:1;
      margin:22px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
      font-size:14px;
    }
    .cover-list li{
      display:flex;
      align-items:center;
      gap:8px;
      color:rgba(255,255,255,.92);
    }
    .cover-list li::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--lemon);
    }
    .summary-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .summary-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:13px;
      border-radius:18px;
      background:#f8fbff;
      border:1px solid #e0f2fe;
    }
    .summary-icon{
      width:34px;
      height:34px;
      border-radius:13px;
      display:grid;
      place-items:center;
      color:var(--primary);
      background:#dbeafe;
      flex:0 0 auto;
      font-weight:850;
    }
    .lead-form{
      display:grid;
      gap:10px;
    }
    .form-row{
      display:grid;
      grid-template-columns:1fr auto;
      gap:10px;
    }
    .field{
      height:48px;
      border:1px solid var(--border);
      border-radius:18px;
      background:#fff;
      padding:0 15px;
      color:var(--text);
      transition:border-color .2s ease,box-shadow .2s ease;
    }
    .field:focus{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(37,99,235,.12);
    }
    .form-hint{
      font-size:13px;
      color:var(--weak);
      margin:0;
    }
    .filter-wrap{
      margin-top:-16px;
      position:relative;
      z-index:5;
    }
    .filter-bar{
      border-radius:30px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.94);
      box-shadow:var(--shadow);
      padding:18px;
      display:grid;
      grid-template-columns:minmax(260px,1fr) 2fr;
      gap:16px;
      align-items:center;
    }
    .filter-search{
      height:54px;
      border:1px solid var(--border-strong);
      border-radius:var(--radius-pill);
      background:#fff;
      display:flex;
      align-items:center;
      gap:10px;
      padding:0 16px;
      transition:border-color .2s ease,box-shadow .2s ease;
    }
    .filter-search:focus-within{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(37,99,235,.12);
    }
    .filter-search svg{width:21px;height:21px;color:var(--primary)}
    .filter-search input{
      width:100%;
      border:0;
      background:transparent;
    }
    .filter-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag,.filter-tag,.badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:var(--radius-pill);
      font-weight:750;
      font-size:13px;
      line-height:1;
      white-space:nowrap;
    }
    .tag{
      padding:8px 11px;
      color:#0369a1;
      background:#e0f2fe;
      border:1px solid #bae6fd;
    }
    .tag.mint{color:#047857;background:#d1fae5;border-color:#a7f3d0}
    .tag.yellow{color:#854d0e;background:#fef9c3;border-color:#fde68a}
    .tag.blue{color:#1d4ed8;background:#dbeafe;border-color:#bfdbfe}
    .filter-tag{
      padding:10px 13px;
      color:var(--muted);
      background:#fff;
      border:1px solid var(--border);
      transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
    }
    .filter-tag:hover{border-color:#93c5fd;color:var(--primary);transform:translateY(-1px)}
    .filter-tag.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 10px 20px rgba(37,99,235,.18)}
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:24px;
      align-items:end;
      margin-bottom:28px;
    }
    .section-title{
      margin:10px 0 0;
      font-size:clamp(28px,3vw,38px);
      line-height:1.2;
      letter-spacing:-.03em;
      font-weight:850;
    }
    .section-desc{
      max-width:620px;
      color:var(--muted);
      margin:10px 0 0;
      font-size:16px;
    }
    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:24px;
      align-items:start;
    }
    .cards-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .browse-card,.side-card,.info-card,.faq-item,.cta-panel,.notice-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
    }
    .browse-card{
      overflow:hidden;
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    }
    .browse-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-hover);
      border-color:#93c5fd;
    }
    .abstract-thumb{
      min-height:138px;
      position:relative;
      overflow:hidden;
      background:linear-gradient(135deg,#dbeafe,#ecfeff);
    }
    .abstract-thumb::before{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:24px;
      background:
        radial-gradient(circle at 20% 30%,rgba(37,99,235,.28),transparent 18%),
        radial-gradient(circle at 78% 38%,rgba(52,211,153,.3),transparent 18%),
        radial-gradient(circle at 50% 78%,rgba(250,204,21,.34),transparent 15%),
        linear-gradient(135deg,rgba(255,255,255,.75),rgba(255,255,255,.25));
      border:1px solid rgba(255,255,255,.7);
    }
    .abstract-thumb::after{
      content:"";
      position:absolute;
      right:22px;
      bottom:18px;
      width:72px;
      height:12px;
      border-radius:999px;
      background:rgba(37,99,235,.2);
      box-shadow:-92px -44px 0 rgba(14,165,233,.16), -44px -8px 0 rgba(52,211,153,.18);
    }
    .card-body{padding:20px}
    .card-title{
      margin:0 0 8px;
      font-size:20px;
      line-height:1.35;
      font-weight:820;
    }
    .card-text{
      margin:0 0 14px;
      color:var(--muted);
      font-size:15px;
      line-height:1.7;
    }
    .badge-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:18px;
    }
    .card-actions{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
    }
    .mini-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--primary);
      font-weight:800;
      transition:gap .2s ease,color .2s ease;
    }
    .mini-link:hover{gap:10px;color:var(--primary-dark)}
    .side-stack{
      display:grid;
      gap:18px;
      position:sticky;
      top:102px;
    }
    .side-card{padding:22px}
    .side-card h3{
      margin:0 0 12px;
      font-size:20px;
      line-height:1.35;
      font-weight:830;
    }
    .hint-list{
      display:grid;
      gap:10px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .hint-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:var(--muted);
      font-size:15px;
    }
    .hint-list li::before{
      content:"";
      margin-top:9px;
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--accent);
      flex:0 0 auto;
    }
    .status-box{
      margin-top:16px;
      border-radius:18px;
      padding:14px;
      color:#047857;
      background:#ecfdf5;
      border:1px solid #a7f3d0;
      font-size:14px;
      font-weight:700;
    }
    .quick-card{
      border-radius:22px;
      background:linear-gradient(135deg,#eff6ff,#fff);
      padding:18px;
      border:1px solid #bfdbfe;
    }
    .quick-tags{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:12px;
    }
    .rail-wrap{
      overflow:hidden;
    }
    .rail{
      display:flex;
      gap:16px;
      overflow-x:auto;
      padding:8px 4px 18px;
      scroll-snap-type:x proximity;
      scrollbar-width:thin;
      scrollbar-color:#93c5fd transparent;
    }
    .rail::-webkit-scrollbar{height:8px}
    .rail::-webkit-scrollbar-thumb{background:#93c5fd;border-radius:999px}
    .rail-card{
      flex:0 0 260px;
      scroll-snap-align:start;
      border-radius:26px;
      border:1px solid var(--border);
      background:#fff;
      box-shadow:var(--shadow);
      overflow:hidden;
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    }
    .rail-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#93c5fd}
    .rail-top{
      height:96px;
      background:linear-gradient(135deg,#dbeafe,#ccfbf1);
      position:relative;
    }
    .rail-top span{
      position:absolute;
      left:18px;
      bottom:-18px;
      width:48px;
      height:48px;
      border-radius:18px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 12px 24px rgba(37,99,235,.2);
      font-weight:850;
    }
    .rail-body{padding:30px 18px 18px}
    .rail-body h3{margin:0 0 8px;font-size:18px;font-weight:830}
    .rail-body p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
    .info-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:20px;
      align-items:stretch;
    }
    .info-card{
      padding:26px;
      position:relative;
      overflow:hidden;
    }
    .info-card.feature{
      background:linear-gradient(135deg,#eff6ff,#fff 58%,#ecfeff);
      border-color:#bfdbfe;
    }
    .info-card h3{margin:0 0 10px;font-size:24px;font-weight:850}
    .info-card p{margin:0;color:var(--muted)}
    .step-list{
      margin:22px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:14px;
    }
    .step-list li{
      display:grid;
      grid-template-columns:42px 1fr;
      gap:12px;
      align-items:start;
    }
    .step-no{
      width:42px;
      height:42px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:#dbeafe;
      color:var(--primary);
      font-weight:850;
    }
    .step-list strong{display:block;margin-bottom:2px}
    .step-list span{color:var(--muted);font-size:15px}
    .notice-card{
      padding:24px;
      display:grid;
      gap:16px;
      background:#fff;
    }
    .notice-line{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px;
      border-radius:18px;
      background:#f8fbff;
      border:1px solid #e0f2fe;
    }
    .notice-icon{
      width:36px;
      height:36px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:#ecfeff;
      color:#0891b2;
      flex:0 0 auto;
      font-weight:850;
    }
    .faq-list{
      display:grid;
      gap:14px;
      max-width:940px;
      margin-inline:auto;
    }
    .faq-item{
      padding:0;
      overflow:hidden;
      transition:border-color .2s ease,box-shadow .2s ease;
    }
    .faq-item[open]{
      border-color:#93c5fd;
      box-shadow:0 16px 44px rgba(37,99,235,.1);
    }
    .faq-item summary{
      list-style:none;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:20px 22px;
      font-weight:830;
      cursor:pointer;
      color:var(--text);
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      width:30px;
      height:30px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:var(--primary);
      background:#eff6ff;
      font-size:20px;
      line-height:1;
      flex:0 0 auto;
      transition:transform .2s ease,background .2s ease;
    }
    .faq-item[open] summary::after{
      content:"−";
      background:#dbeafe;
      transform:rotate(180deg);
    }
    .faq-item p{
      margin:0;
      padding:0 22px 22px;
      color:var(--muted);
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:36px;
      padding:38px;
      background:
        radial-gradient(circle at 8% 20%,rgba(250,204,21,.22),transparent 26%),
        radial-gradient(circle at 86% 28%,rgba(52,211,153,.18),transparent 28%),
        linear-gradient(135deg,#eff6ff,#ffffff 54%,#ecfeff);
      border-color:#bfdbfe;
    }
    .cta-panel::after{
      content:"";
      position:absolute;
      width:220px;
      height:220px;
      right:-80px;
      bottom:-90px;
      border-radius:50%;
      background:rgba(37,99,235,.08);
    }
    .cta-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
    }
    .cta-panel h2{
      margin:0 0 10px;
      font-size:clamp(28px,3vw,40px);
      line-height:1.2;
      letter-spacing:-.03em;
      font-weight:850;
    }
    .cta-panel p{
      margin:0;
      color:var(--muted);
      max-width:720px;
    }
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .toast{
      position:fixed;
      left:50%;
      bottom:24px;
      z-index:100;
      transform:translateX(-50%) translateY(20px);
      opacity:0;
      pointer-events:none;
      max-width:min(520px,calc(100% - 32px));
      padding:13px 18px;
      border-radius:18px;
      background:#0f172a;
      color:#fff;
      box-shadow:0 18px 50px rgba(15,23,42,.22);
      transition:opacity .22s ease,transform .22s ease;
      font-size:14px;
    }
    .toast.show{
      opacity:1;
      transform:translateX(-50%) translateY(0);
    }
    .site-footer{
      margin-top:42px;
      padding:54px 0 26px;
      background:#fff;
      border-top:1px solid var(--border);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1fr auto;
      gap:34px;
      align-items:start;
    }
    .small{font-size:14px;color:var(--weak);line-height:1.75}
    .mt-4{margin-top:16px}
    .max-w-2xl{max-width:680px}
    .footer-links{
      display:grid;
      grid-template-columns:repeat(2,auto);
      gap:10px 22px;
      justify-content:end;
    }
    .footer-links a{
      color:var(--muted);
      font-weight:700;
      transition:color .2s ease, transform .2s ease;
    }
    .footer-links a:hover{color:var(--primary);transform:translateX(2px)}
    .copyright{
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid var(--border);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:#64748b;
      font-size:13px;
    }
    @media (max-width:1024px){
      .nav-wrap{
        grid-template-columns:1fr auto;
        gap:12px;
        padding:12px 0;
      }
      .brand{grid-column:1}
      .menu-btn{display:grid;place-items:center;grid-column:2}
      .nav-search{grid-column:1 / -1;grid-row:2}
      .nav-links{
        grid-column:1 / -1;
        display:none;
        overflow-x:auto;
        padding:2px 0 4px;
      }
      .nav-links.open{display:flex}
      .hero-grid,.content-layout,.info-grid,.cta-grid{
        grid-template-columns:1fr;
      }
      .side-stack{position:static}
      .cta-actions{justify-content:flex-start}
      .filter-bar{grid-template-columns:1fr}
      .filter-tags{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:56px 0}
      .hero{padding:34px 0 30px}
      .hero-panel{padding:22px;border-radius:28px}
      .guide-card,.cta-panel{border-radius:28px}
      .cards-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .form-row{grid-template-columns:1fr}
      .lead-form .btn-primary{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:start;grid-template-columns:repeat(2,minmax(0,auto))}
      .copyright{display:grid}
    }
    @media (max-width:520px){
      .brand span:last-child{font-size:15px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .nav-search{height:auto;border-radius:24px;align-items:stretch;flex-wrap:wrap;padding:10px}
      .nav-search input{height:38px;flex:1 1 calc(100% - 42px)}
      .search-btn{width:100%;height:42px}
      h1{font-size:34px}
      .lead{font-size:16px}
      .hero-actions,.cta-actions{display:grid}
      .btn-primary,.btn-secondary,.btn-ghost{width:100%}
      .filter-bar{padding:14px;border-radius:24px}
      .filter-search{height:50px}
      .rail-card{flex-basis:235px}
      .card-actions{align-items:flex-start;flex-direction:column}
      .footer-links{grid-template-columns:1fr}
    }