/* roulang page: index */
:root{
      --primary:#2563EB;
      --primary-2:#2F6FE4;
      --primary-dark:#1D4ED8;
      --green:#16A085;
      --green-soft:#E8F7F3;
      --amber:#F5B84B;
      --amber-soft:#FFF6DE;
      --bg:#F7FAFC;
      --bg-2:#F4F8FB;
      --surface:#FFFFFF;
      --surface-blue:#EEF5FF;
      --text:#172033;
      --muted:#5E6B7A;
      --soft:#7B8794;
      --border:#E5ECF3;
      --border-blue:rgba(37,99,235,.14);
      --shadow:0 14px 36px rgba(31,44,71,.08);
      --shadow-hover:0 18px 48px rgba(31,44,71,.12);
      --radius-sm:12px;
      --radius:18px;
      --radius-lg:26px;
      --radius-xl:34px;
      --container:1200px;
      --ease:all .22s 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 8% 2%, rgba(37,99,235,.08), transparent 28%),
        radial-gradient(circle at 92% 10%, rgba(22,160,133,.08), transparent 24%),
        var(--bg);
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;cursor:pointer;background:none}
    ul{margin:0;padding:0;list-style:none}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .section{padding:96px 0}
    .section-tight{padding:76px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:var(--surface-blue);
      color:var(--primary-dark);
      font-size:14px;
      font-weight:700;
      border:1px solid var(--border-blue);
    }
    .eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(22,160,133,.12)}
    h1,h2,h3,p{margin-top:0}
    h1{
      margin-bottom:22px;
      font-size:clamp(36px,5vw,56px);
      line-height:1.12;
      letter-spacing:-.04em;
    }
    h2{
      margin-bottom:14px;
      font-size:clamp(28px,3.4vw,40px);
      line-height:1.2;
      letter-spacing:-.03em;
    }
    h3{font-size:22px;line-height:1.35;margin-bottom:10px}
    p{color:var(--muted);font-size:16.5px}
    .lead{font-size:18px;color:var(--muted);max-width:720px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:0 20px;
      border-radius:14px;
      font-weight:800;
      letter-spacing:.01em;
      transition:var(--ease);
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 12px 24px rgba(37,99,235,.22);
    }
    .btn-primary:hover{transform:translateY(-2px);background:linear-gradient(135deg,var(--primary-dark),var(--primary));box-shadow:0 16px 32px rgba(37,99,235,.28)}
    .btn-secondary{
      color:var(--primary-dark);
      background:#fff;
      border:1px solid var(--border-blue);
      box-shadow:0 8px 20px rgba(31,44,71,.05);
    }
    .btn-secondary:hover{transform:translateY(-2px);background:#F0F6FF;border-color:rgba(37,99,235,.3)}
    .btn-ghost{color:var(--muted);padding:0 12px}
    .btn-ghost:hover{color:var(--primary);background:#EEF5FF}
    .btn:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{
      outline:3px solid rgba(37,99,235,.25);
      outline-offset:3px;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(229,236,243,.82);
    }
    .nav{
      height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:max-content;
      font-weight:900;
      color:var(--text);
      letter-spacing:-.02em;
    }
    .brand-icon{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,#EAF2FF,#E8F7F3);
      border:1px solid var(--border-blue);
      box-shadow:0 8px 22px rgba(37,99,235,.12);
    }
    .brand-icon svg{width:25px;height:25px;stroke:var(--primary);stroke-width:1.9;fill:none}
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      padding:6px;
      border:1px solid var(--border);
      border-radius:999px;
      background:#fff;
    }
    .nav-links a{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:0 15px;
      border-radius:999px;
      color:var(--muted);
      font-size:14.5px;
      font-weight:750;
    }
    .nav-links a:hover{color:var(--primary);background:#F3F7FF}
    .nav-links a.active{color:var(--primary-dark);background:var(--surface-blue)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .command-search{
      width:230px;height:44px;
      display:flex;align-items:center;gap:9px;
      padding:0 10px 0 14px;
      border-radius:14px;
      background:#F3F7FB;
      border:1px solid var(--border);
      color:var(--soft);
      transition:var(--ease);
    }
    .command-search:hover,.command-search:focus-within{background:#fff;border-color:rgba(37,99,235,.35);box-shadow:0 0 0 4px rgba(37,99,235,.08)}
    .command-search input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:var(--text);
      font-size:14px;
    }
    .kbd{
      flex:none;
      padding:2px 7px;
      border-radius:8px;
      background:#fff;
      color:var(--soft);
      border:1px solid var(--border);
      font-size:12px;
      line-height:1.6;
    }
    .mobile-toggle{display:none;width:44px;height:44px;border-radius:14px;background:#F3F7FB;border:1px solid var(--border)}
    .mobile-toggle span{display:block;width:18px;height:2px;margin:5px auto;background:var(--text);border-radius:999px}
    .hero{padding:76px 0 88px;position:relative;overflow:hidden}
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);
      gap:52px;
      align-items:center;
    }
    .hero-copy .lead{margin-bottom:28px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
    .trust-row{display:flex;gap:12px;flex-wrap:wrap}
    .trust-badge{
      display:inline-flex;align-items:center;gap:8px;
      padding:9px 12px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--border);
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      box-shadow:0 8px 20px rgba(31,44,71,.05);
    }
    .trust-badge i{width:10px;height:10px;border-radius:50%;background:var(--primary)}
    .trust-badge:nth-child(2) i{background:var(--green)}
    .trust-badge:nth-child(3) i{background:var(--amber)}
    .kv-card{
      position:relative;
      padding:26px;
      border-radius:32px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .kv-card:before{
      content:"";
      position:absolute;inset:0;
      background:
        radial-gradient(circle at 18% 20%, rgba(37,99,235,.12), transparent 24%),
        radial-gradient(circle at 82% 28%, rgba(22,160,133,.12), transparent 22%);
      pointer-events:none;
    }
    .kv-inner{position:relative;z-index:1}
    .kv-top{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;margin-bottom:22px}
    .status{
      display:inline-flex;align-items:center;gap:7px;
      padding:6px 10px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      border:1px solid transparent;
    }
    .status-blue{background:#EAF2FF;color:var(--primary-dark);border-color:rgba(37,99,235,.16)}
    .status-green{background:var(--green-soft);color:#087560;border-color:rgba(22,160,133,.16)}
    .status-yellow{background:var(--amber-soft);color:#9A660B;border-color:rgba(245,184,75,.22)}
    .status-gray{background:#F1F5F9;color:#64748B;border-color:#E2E8F0}
    .map-visual{
      height:230px;
      border-radius:26px;
      background:
        linear-gradient(180deg,rgba(255,255,255,.72),rgba(255,255,255,.18)),
        linear-gradient(135deg,#DDEBFF 0%,#EAF8F3 58%,#FFF3D2 100%);
      border:1px solid rgba(255,255,255,.8);
      position:relative;
      overflow:hidden;
      margin-bottom:18px;
    }
    .hill{position:absolute;left:-5%;right:-5%;bottom:-18px;height:108px;background:linear-gradient(135deg,#9EDBC8,#6CC6B1);clip-path:polygon(0 70%,18% 42%,35% 64%,50% 30%,70% 62%,86% 35%,100% 66%,100% 100%,0 100%);opacity:.85}
    .route{
      position:absolute;left:44px;top:48px;width:70%;height:120px;
      border-top:3px dashed rgba(37,99,235,.38);
      border-right:3px dashed rgba(37,99,235,.38);
      border-radius:0 60px 0 0;
      transform:rotate(-6deg);
    }
    .pin{position:absolute;width:18px;height:18px;border-radius:50%;background:#fff;border:5px solid var(--primary);box-shadow:0 10px 18px rgba(37,99,235,.2)}
    .pin.one{left:38px;top:38px}.pin.two{right:86px;top:86px;border-color:var(--green)}.pin.three{left:52%;bottom:54px;border-color:var(--amber)}
    .progress-panel{
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      align-items:center;
      padding:18px;
      border-radius:22px;
      background:#F8FBFF;
      border:1px solid var(--border);
    }
    .progress-line{height:10px;background:#E6EEF8;border-radius:999px;overflow:hidden;margin:10px 0 8px}
    .progress-line span{display:block;width:62%;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--green))}
    .progress-num{font-size:34px;line-height:1;font-weight:900;color:var(--primary-dark)}
    .section-head{display:flex;justify-content:space-between;gap:24px;align-items:flex-end;margin-bottom:38px}
    .section-head p{max-width:650px;margin-bottom:0}
    .flow-wrap{
      position:relative;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .flow-wrap:before{
      content:"";
      position:absolute;left:8%;right:8%;top:46px;
      border-top:2px dashed rgba(37,99,235,.2);
    }
    .step-card{
      position:relative;
      z-index:1;
      background:#fff;
      border:1px solid var(--border);
      border-radius:24px;
      padding:24px;
      box-shadow:var(--shadow);
      transition:var(--ease);
    }
    .step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(37,99,235,.24)}
    .step-num{
      width:48px;height:48px;border-radius:16px;
      display:grid;place-items:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--green));
      box-shadow:0 12px 22px rgba(37,99,235,.18);
      margin-bottom:20px;
    }
    .rewards{background:linear-gradient(180deg,#F4F8FB,#FFFFFF)}
    .ticket-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr 1fr;
      gap:20px;
      align-items:stretch;
    }
    .ticket{
      position:relative;
      padding:28px;
      border-radius:28px;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      overflow:hidden;
      transition:var(--ease);
    }
    .ticket:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
    .ticket:after{
      content:"";
      position:absolute;right:-18px;top:50%;
      width:36px;height:36px;border-radius:50%;
      background:var(--bg);
      border:1px solid var(--border);
      transform:translateY(-50%);
    }
    .ticket.blue{background:linear-gradient(135deg,#FFFFFF,#EAF2FF)}
    .ticket.green{background:linear-gradient(135deg,#FFFFFF,#E8F7F3);margin-top:26px}
    .ticket.yellow{background:linear-gradient(135deg,#FFFFFF,#FFF6DE)}
    .ticket p{margin-bottom:0}
    .dashboard{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:26px;
      align-items:stretch;
    }
    .dash-card,.milestone-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:30px;
      padding:30px;
      box-shadow:var(--shadow);
    }
    .check-list{display:grid;gap:14px;margin-top:20px}
    .check-item{
      display:flex;gap:12px;align-items:flex-start;
      padding:14px;
      border-radius:18px;
      background:#F8FBFF;
      border:1px solid var(--border);
    }
    .check{
      width:24px;height:24px;border-radius:50%;
      display:grid;place-items:center;
      color:#fff;
      flex:none;
      font-size:13px;
      background:var(--green);
    }
    .check.pending{background:#CBD5E1}
    .milestones{display:grid;gap:16px;margin-top:20px}
    .mile{
      display:grid;
      grid-template-columns:34px 1fr auto;
      gap:12px;
      align-items:center;
      padding:14px;
      border-radius:18px;
      background:#F8FBFF;
      border:1px solid var(--border);
    }
    .mile-dot{
      width:34px;height:34px;border-radius:50%;
      display:grid;place-items:center;
      font-weight:900;
      color:#fff;
      background:#CBD5E1;
    }
    .mile.active{border-color:rgba(37,99,235,.25);background:#EEF5FF}
    .mile.active .mile-dot{background:var(--primary)}
    .topics-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:20px;
    }
    .topic-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:28px;
      box-shadow:var(--shadow);
      overflow:hidden;
      transition:var(--ease);
    }
    .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(37,99,235,.22)}
    .topic-card.large{grid-row:span 2}
    .topic-art{
      height:160px;
      background:
        linear-gradient(135deg,rgba(37,99,235,.16),rgba(22,160,133,.13)),
        repeating-linear-gradient(135deg,rgba(255,255,255,.55) 0 10px,rgba(255,255,255,.2) 10px 20px);
      position:relative;
      overflow:hidden;
    }
    .topic-card.large .topic-art{height:270px}
    .topic-art:before{
      content:"";
      position:absolute;inset:auto -20px -32px -20px;height:90px;
      background:linear-gradient(135deg,#BDE6DA,#8ED7C7);
      clip-path:polygon(0 78%,18% 42%,34% 62%,52% 30%,70% 58%,88% 36%,100% 66%,100% 100%,0 100%);
    }
    .topic-body{padding:22px}
    .meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:10px;color:var(--soft);font-size:13px}
    .topic-body p{font-size:15.5px;margin-bottom:16px}
    .link-more{color:var(--primary-dark);font-weight:850;display:inline-flex;gap:7px;align-items:center}
    .link-more:hover{text-decoration:underline;text-underline-offset:4px}
    .proof{
      background:#102033;
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .proof:before{
      content:"";
      position:absolute;inset:0;
      background:radial-gradient(circle at 20% 20%,rgba(37,99,235,.28),transparent 30%),radial-gradient(circle at 80% 0,rgba(22,160,133,.22),transparent 26%);
      pointer-events:none;
    }
    .proof .container{position:relative;z-index:1}
    .proof h2,.proof h3{color:#fff}
    .proof p{color:#C9D5E3}
    .proof-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      margin-top:34px;
    }
    .proof-card{
      padding:24px;
      border-radius:24px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .proof-num{font-size:34px;font-weight:950;line-height:1;color:#fff;margin-bottom:10px}
    .faq-wrap{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:34px;
      align-items:start;
    }
    .faq-list{display:grid;gap:14px}
    details{
      background:#fff;
      border:1px solid var(--border);
      border-radius:20px;
      box-shadow:0 8px 22px rgba(31,44,71,.05);
      overflow:hidden;
    }
    summary{
      cursor:pointer;
      padding:18px 20px;
      font-weight:850;
      display:flex;
      justify-content:space-between;
      gap:18px;
      list-style:none;
    }
    summary::-webkit-details-marker{display:none}
    summary:after{
      content:"+";
      width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;
      background:#EEF5FF;color:var(--primary);font-weight:900;flex:none;
    }
    details[open]{border-color:rgba(37,99,235,.25);background:#FBFDFF}
    details[open] summary:after{content:"−";background:var(--primary);color:#fff}
    details p{padding:0 20px 20px;margin:0}
    .cta-card{
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
      padding:42px;
      border-radius:34px;
      background:
        radial-gradient(circle at 10% 10%,rgba(37,99,235,.12),transparent 24%),
        linear-gradient(135deg,#FFFFFF,#EAF2FF 58%,#EAF8F3);
      border:1px solid var(--border-blue);
      box-shadow:var(--shadow);
    }
    .cta-card p{margin-bottom:0}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .site-footer{
      background:#102033;
      color:#EAF2FF;
      padding:56px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:18px;margin-bottom:12px}
    .footer-brand .brand-icon{box-shadow:none}
    .site-footer p{color:#B9C6D6;margin-bottom:0}
    .footer-title{font-weight:900;margin-bottom:14px;color:#fff}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:#C9D5E3}
    .footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:24px;
      color:#AAB8C8;
      font-size:14px;
    }
    @media (max-width:1100px){
      .command-search{display:none}
      .hero-grid{grid-template-columns:1fr .9fr;gap:34px}
      .topics-grid{grid-template-columns:1fr 1fr}
      .topic-card.large{grid-row:auto}
      .proof-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:900px){
      .container{width:min(94%,var(--container))}
      .nav-links,.nav-actions .btn-secondary,.nav-actions .btn-primary{display:none}
      .mobile-toggle{display:block}
      .nav{height:72px}
      .hero{padding:54px 0 70px}
      .hero-grid,.dashboard,.faq-wrap,.cta-card{grid-template-columns:1fr}
      .flow-wrap{grid-template-columns:1fr 1fr}
      .flow-wrap:before{display:none}
      .ticket-grid{grid-template-columns:1fr}
      .ticket.green{margin-top:0}
      .section{padding:72px 0}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .cta-actions{justify-content:flex-start}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:640px){
      .container{width:calc(100% - 32px)}
      h1{font-size:38px}
      .lead{font-size:16.5px}
      .hero-actions .btn,.cta-actions .btn{width:100%}
      .trust-row{display:grid;grid-template-columns:1fr}
      .kv-card,.dash-card,.milestone-card,.cta-card{padding:22px;border-radius:24px}
      .map-visual{height:190px}
      .flow-wrap,.topics-grid,.proof-grid{grid-template-columns:1fr}
      .section{padding:58px 0}
      .section-tight{padding:54px 0}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }
    @media (max-width:460px){
      .brand span{font-size:15px}
      .brand-icon{width:38px;height:38px}
      .hero{padding-top:42px}
      .step-card,.ticket,.topic-body,.proof-card{padding:20px}
      .progress-panel{grid-template-columns:1fr}
    }

/* roulang page: category1 */
:root {
      --primary: #2563EB;
      --primary-dark: #1D4ED8;
      --primary-soft: #EAF2FF;
      --secondary: #16A085;
      --secondary-soft: #E9F8F4;
      --accent: #F5B84B;
      --accent-soft: #FFF5DC;
      --bg: #F7FAFC;
      --bg-alt: #F4F8FB;
      --surface: #FFFFFF;
      --text: #172033;
      --muted: #5E6B7A;
      --soft-text: #7B8794;
      --border: #E5ECF3;
      --border-blue: rgba(37, 99, 235, .14);
      --shadow: 0 14px 36px rgba(31, 44, 71, .08);
      --shadow-hover: 0 18px 44px rgba(31, 44, 71, .12);
      --radius-sm: 12px;
      --radius-md: 18px;
      --radius-lg: 24px;
      --radius-xl: 30px;
      --container: 1200px;
      --nav-height: 78px;
      --ease: .22s ease;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      background:
        radial-gradient(circle at top left, rgba(37, 99, 235, .08), transparent 30%),
        linear-gradient(180deg, #F7FAFC 0%, #FFFFFF 45%, #F4F8FB 100%);
      color: var(--text);
      line-height: 1.75;
      font-size: 16px;
      min-height: 100vh;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), background var(--ease), border-color var(--ease), transform var(--ease);
    }

    a:hover {
      color: var(--primary);
    }

    img, svg {
      display: block;
      max-width: 100%;
    }

    button, input {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
      background: none;
    }

    input {
      border: 0;
      outline: none;
      width: 100%;
      background: transparent;
    }

    :focus-visible {
      outline: 3px solid rgba(37, 99, 235, .28);
      outline-offset: 3px;
      border-radius: 12px;
    }

    .container {
      width: min(var(--container), calc(100% - 48px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 255, 255, .88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(229, 236, 243, .9);
      box-shadow: 0 8px 24px rgba(31, 44, 71, .04);
    }

    .nav-shell {
      height: var(--nav-height);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      color: var(--text);
      letter-spacing: -.02em;
      white-space: nowrap;
    }

    .brand-icon {
      width: 38px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--primary-soft), var(--secondary-soft));
      border: 1px solid var(--border-blue);
      color: var(--primary);
      flex: 0 0 auto;
    }

    .brand-icon svg {
      width: 24px;
      height: 24px;
      fill: none;
      stroke: currentColor;
      stroke-width: 1.9;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .nav-center {
      display: flex;
      align-items: center;
      gap: 18px;
      flex: 1;
      justify-content: center;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      border: 1px solid var(--border);
      border-radius: 999px;
      background: rgba(244, 248, 251, .78);
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 38px;
      padding: 0 16px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
    }

    .nav-links a:hover {
      background: #fff;
      color: var(--primary);
    }

    .nav-links a.active {
      background: var(--primary-soft);
      color: var(--primary);
      box-shadow: inset 0 0 0 1px rgba(37, 99, 235, .08);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .command-search {
      width: 228px;
      height: 44px;
      display: flex;
      align-items: center;
      gap: 9px;
      padding: 0 10px 0 14px;
      border: 1px solid var(--border);
      border-radius: 14px;
      background: #F5F8FC;
      color: var(--soft-text);
      transition: background var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .command-search:focus-within {
      background: #fff;
      border-color: rgba(37, 99, 235, .55);
      box-shadow: 0 0 0 4px rgba(37, 99, 235, .10);
    }

    .command-search svg {
      width: 17px;
      height: 17px;
      fill: none;
      stroke: currentColor;
      stroke-width: 2;
      flex: 0 0 auto;
    }

    .command-search input {
      font-size: 14px;
      color: var(--text);
    }

    .command-search input::placeholder {
      color: #8A96A5;
    }

    .keycap {
      padding: 3px 7px;
      border-radius: 8px;
      background: #fff;
      border: 1px solid var(--border);
      color: var(--soft-text);
      font-size: 12px;
      line-height: 1;
      white-space: nowrap;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 0 18px;
      border-radius: 14px;
      font-weight: 800;
      font-size: 15px;
      border: 1px solid transparent;
      transition: transform var(--ease), background var(--ease), border-color var(--ease), box-shadow var(--ease), color var(--ease);
      white-space: nowrap;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 12px 24px rgba(37, 99, 235, .22);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      color: #fff;
      box-shadow: 0 16px 28px rgba(37, 99, 235, .28);
    }

    .btn-secondary {
      background: #fff;
      color: var(--primary);
      border-color: rgba(37, 99, 235, .18);
    }

    .btn-secondary:hover {
      background: var(--primary-soft);
      border-color: rgba(37, 99, 235, .34);
    }

    .btn-ghost {
      color: var(--muted);
      background: transparent;
      border-color: transparent;
    }

    .btn-ghost:hover {
      background: #EEF5FF;
      color: var(--primary);
      transform: none;
    }

    .mobile-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      border: 1px solid var(--border);
      background: #fff;
      align-items: center;
      justify-content: center;
      color: var(--text);
    }

    .mobile-toggle span,
    .mobile-toggle span::before,
    .mobile-toggle span::after {
      width: 18px;
      height: 2px;
      background: currentColor;
      border-radius: 999px;
      display: block;
      position: relative;
      content: "";
    }

    .mobile-toggle span::before {
      position: absolute;
      top: -6px;
    }

    .mobile-toggle span::after {
      position: absolute;
      top: 6px;
    }

    #nav-check {
      display: none;
    }

    main {
      overflow: hidden;
    }

    .page-head {
      padding: 54px 0 40px;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--soft-text);
      font-size: 14px;
      margin-bottom: 22px;
      flex-wrap: wrap;
    }

    .breadcrumb a {
      color: var(--muted);
      font-weight: 700;
    }

    .breadcrumb a:hover {
      color: var(--primary);
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .crumb-dot {
      width: 5px;
      height: 5px;
      border-radius: 99px;
      background: #B8C3D1;
    }

    .head-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 360px;
      gap: 32px;
      align-items: stretch;
      padding: 36px;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(255,255,255,.96), rgba(234,242,255,.82)),
        radial-gradient(circle at 90% 0%, rgba(43,182,115,.16), transparent 34%);
      border: 1px solid var(--border-blue);
      box-shadow: var(--shadow);
      position: relative;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      background: var(--secondary-soft);
      color: #087C65;
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--secondary);
      box-shadow: 0 0 0 5px rgba(22,160,133,.12);
    }

    h1 {
      font-size: clamp(34px, 4.3vw, 54px);
      line-height: 1.12;
      letter-spacing: -.045em;
      color: var(--text);
      max-width: 780px;
      margin-bottom: 18px;
    }

    .lead {
      color: var(--muted);
      font-size: 17px;
      line-height: 1.85;
      max-width: 760px;
    }

    .head-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 26px;
    }

    .head-brief {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 24px;
      padding: 24px;
      box-shadow: 0 12px 28px rgba(31, 44, 71, .07);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      min-height: 260px;
    }

    .brief-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 18px;
    }

    .brief-icon {
      width: 52px;
      height: 52px;
      border-radius: 18px;
      background: var(--primary-soft);
      color: var(--primary);
      display: grid;
      place-items: center;
    }

    .brief-icon svg {
      width: 29px;
      height: 29px;
      fill: none;
      stroke: currentColor;
      stroke-width: 1.8;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .status-pill,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      padding: 6px 10px;
      font-size: 12px;
      font-weight: 800;
      white-space: nowrap;
    }

    .status-blue {
      color: #1D4ED8;
      background: var(--primary-soft);
    }

    .status-green {
      color: #087C65;
      background: var(--secondary-soft);
    }

    .status-yellow {
      color: #9A6500;
      background: var(--accent-soft);
    }

    .status-gray {
      color: #667085;
      background: #EEF2F6;
    }

    .progress-row {
      margin-top: 18px;
    }

    .progress-label {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 9px;
    }

    .progress-track {
      height: 10px;
      border-radius: 999px;
      background: #E8EEF5;
      overflow: hidden;
    }

    .progress-fill {
      height: 100%;
      width: 62%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
    }

    .brief-list {
      margin-top: 22px;
      display: grid;
      gap: 10px;
      list-style: none;
    }

    .brief-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--muted);
      font-size: 14px;
    }

    .check-dot {
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: var(--secondary-soft);
      color: var(--secondary);
      display: inline-grid;
      place-items: center;
      flex: 0 0 auto;
      font-size: 12px;
      font-weight: 900;
    }

    .section {
      padding: 70px 0;
    }

    .section-title {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 28px;
    }

    .section-title h2 {
      font-size: clamp(26px, 3vw, 38px);
      line-height: 1.18;
      letter-spacing: -.035em;
      color: var(--text);
    }

    .section-title p {
      color: var(--muted);
      max-width: 540px;
      font-size: 16px;
    }

    .filter-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 16px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 22px;
      box-shadow: 0 10px 24px rgba(31, 44, 71, .05);
      margin-bottom: 28px;
    }

    .chips {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
    }

    .chip {
      min-height: 38px;
      padding: 0 14px;
      display: inline-flex;
      align-items: center;
      border-radius: 999px;
      border: 1px solid var(--border);
      background: #F8FBFE;
      color: var(--muted);
      font-size: 14px;
      font-weight: 800;
      transition: var(--ease);
      white-space: nowrap;
    }

    .chip:hover,
    .chip.active {
      background: var(--primary-soft);
      color: var(--primary);
      border-color: rgba(37, 99, 235, .24);
    }

    .filter-search {
      width: 292px;
      height: 44px;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 0 14px;
      border-radius: 14px;
      background: #F4F8FB;
      border: 1px solid var(--border);
      color: var(--soft-text);
      transition: var(--ease);
      flex: 0 0 auto;
    }

    .filter-search:focus-within {
      background: #fff;
      border-color: rgba(37,99,235,.5);
      box-shadow: 0 0 0 4px rgba(37,99,235,.09);
    }

    .filter-search svg {
      width: 17px;
      height: 17px;
      fill: none;
      stroke: currentColor;
      stroke-width: 2;
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 360px;
      gap: 28px;
      align-items: start;
    }

    .task-stack {
      display: grid;
      gap: 18px;
    }

    .feature-card,
    .task-card,
    .side-card,
    .faq-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .feature-card:hover,
    .task-card:hover,
    .side-card:hover,
    .faq-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(37, 99, 235, .22);
    }

    .feature-card {
      padding: 28px;
      display: grid;
      grid-template-columns: 180px minmax(0, 1fr);
      gap: 24px;
      align-items: center;
      overflow: hidden;
      position: relative;
    }

    .feature-visual {
      min-height: 172px;
      border-radius: 22px;
      background:
        radial-gradient(circle at 35% 28%, rgba(245,184,75,.34), transparent 22%),
        linear-gradient(145deg, #EAF2FF, #E9F8F4);
      border: 1px solid rgba(37,99,235,.12);
      position: relative;
      overflow: hidden;
    }

    .feature-visual::before {
      content: "";
      position: absolute;
      left: 22px;
      right: 22px;
      bottom: 36px;
      height: 42px;
      border-radius: 50% 50% 0 0;
      background: rgba(22,160,133,.18);
      transform: skewX(-10deg);
    }

    .feature-visual::after {
      content: "";
      position: absolute;
      width: 86px;
      height: 86px;
      right: -18px;
      top: -18px;
      border-radius: 50%;
      border: 18px solid rgba(37,99,235,.12);
    }

    .card-meta {
      display: flex;
      align-items: center;
      gap: 9px;
      flex-wrap: wrap;
      margin-bottom: 12px;
    }

    .feature-card h2,
    .task-card h3,
    .side-card h3,
    .faq-card h3 {
      color: var(--text);
      letter-spacing: -.02em;
    }

    .feature-card h2 {
      font-size: 28px;
      line-height: 1.25;
      margin-bottom: 10px;
    }

    .feature-card p,
    .task-card p,
    .side-card p {
      color: var(--muted);
    }

    .card-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 20px;
      flex-wrap: wrap;
    }

    .task-card {
      padding: 24px;
      display: grid;
      grid-template-columns: 76px minmax(0, 1fr) auto;
      gap: 18px;
      align-items: center;
    }

    .task-icon {
      width: 76px;
      height: 76px;
      border-radius: 24px;
      display: grid;
      place-items: center;
      background: #F4F8FB;
      color: var(--primary);
      border: 1px solid var(--border);
    }

    .task-icon svg {
      width: 34px;
      height: 34px;
      fill: none;
      stroke: currentColor;
      stroke-width: 1.8;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .task-card h3 {
      font-size: 21px;
      margin-bottom: 6px;
    }

    .task-info {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      margin-top: 10px;
      color: var(--soft-text);
      font-size: 13px;
      font-weight: 700;
    }

    .task-info span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .side-column {
      display: grid;
      gap: 18px;
      position: sticky;
      top: 98px;
    }

    .side-card {
      padding: 24px;
    }

    .side-card h3 {
      font-size: 20px;
      margin-bottom: 14px;
    }

    .milestones {
      display: grid;
      gap: 12px;
      list-style: none;
    }

    .milestones li {
      display: grid;
      grid-template-columns: 28px minmax(0, 1fr);
      gap: 10px;
      align-items: start;
      color: var(--muted);
      font-size: 14px;
    }

    .node {
      width: 28px;
      height: 28px;
      border-radius: 999px;
      display: grid;
      place-items: center;
      background: #EEF2F6;
      color: #7B8794;
      font-size: 12px;
      font-weight: 900;
      position: relative;
    }

    .milestones li:not(:last-child) .node::after {
      content: "";
      position: absolute;
      width: 2px;
      height: 22px;
      top: 30px;
      background: #E5ECF3;
    }

    .milestones li.done .node {
      background: var(--secondary-soft);
      color: var(--secondary);
    }

    .milestones li.current .node {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 0 0 5px rgba(37,99,235,.12);
    }

    .hot-list,
    .quick-list {
      display: grid;
      gap: 10px;
      list-style: none;
    }

    .hot-list a,
    .quick-list a {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 0;
      border-bottom: 1px solid var(--border);
      color: var(--muted);
      font-weight: 700;
      font-size: 14px;
    }

    .hot-list li:last-child a,
    .quick-list li:last-child a {
      border-bottom: 0;
    }

    .hot-list a:hover,
    .quick-list a:hover {
      color: var(--primary);
      padding-left: 4px;
    }

    .mini-faq {
      display: grid;
      gap: 10px;
    }

    details {
      border: 1px solid var(--border);
      border-radius: 16px;
      background: #fff;
      overflow: hidden;
      transition: border-color var(--ease), background var(--ease);
    }

    details[open] {
      background: #F8FBFF;
      border-color: rgba(37,99,235,.22);
    }

    summary {
      cursor: pointer;
      list-style: none;
      padding: 15px 16px;
      font-weight: 800;
      color: var(--text);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    summary::-webkit-details-marker {
      display: none;
    }

    summary::after {
      content: "+";
      width: 24px;
      height: 24px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: var(--primary);
      background: var(--primary-soft);
      flex: 0 0 auto;
      transition: transform var(--ease);
    }

    details[open] summary::after {
      content: "−";
      transform: rotate(180deg);
    }

    details p {
      padding: 0 16px 16px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .knowledge-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 20px;
    }

    .knowledge-card {
      padding: 26px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      background: #fff;
      box-shadow: var(--shadow);
      min-height: 210px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--ease);
      position: relative;
      overflow: hidden;
    }

    .knowledge-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(37, 99, 235, .22);
    }

    .knowledge-card.green {
      background: linear-gradient(145deg, #FFFFFF, #F0FBF7);
    }

    .knowledge-card.yellow {
      background: linear-gradient(145deg, #FFFFFF, #FFF8E8);
    }

    .knowledge-card.blue {
      background: linear-gradient(145deg, #FFFFFF, #EEF5FF);
    }

    .knowledge-card h3 {
      font-size: 22px;
      line-height: 1.35;
      margin: 12px 0 8px;
    }

    .knowledge-card p {
      color: var(--muted);
    }

    .cta-section {
      padding: 72px 0 92px;
    }

    .cta-card {
      border-radius: 32px;
      padding: 42px;
      background:
        radial-gradient(circle at 14% 20%, rgba(245,184,75,.22), transparent 26%),
        linear-gradient(135deg, #EAF2FF 0%, #F4FBF8 100%);
      border: 1px solid rgba(37,99,235,.16);
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 28px;
      align-items: center;
      box-shadow: var(--shadow);
    }

    .cta-card h2 {
      font-size: clamp(26px, 3vw, 38px);
      line-height: 1.2;
      letter-spacing: -.03em;
      margin-bottom: 12px;
    }

    .cta-card p {
      color: var(--muted);
      max-width: 720px;
    }

    .load-more {
      margin-top: 26px;
      display: flex;
      justify-content: center;
    }

    .site-footer {
      background: #102033;
      color: rgba(255,255,255,.78);
      padding: 58px 0 28px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr .7fr .8fr;
      gap: 38px;
      margin-bottom: 38px;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-weight: 900;
      font-size: 18px;
      margin-bottom: 14px;
    }

    .site-footer .brand-icon {
      background: rgba(255,255,255,.08);
      border-color: rgba(255,255,255,.14);
      color: #BBD2FF;
    }

    .site-footer p {
      color: rgba(255,255,255,.68);
      max-width: 460px;
      line-height: 1.8;
    }

    .footer-title {
      color: #fff;
      font-weight: 900;
      margin-bottom: 14px;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: rgba(255,255,255,.68);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: #fff;
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .copyright {
      border-top: 1px solid rgba(255,255,255,.12);
      padding-top: 22px;
      display: flex;
      justify-content: space-between;
      gap: 20px;
      color: rgba(255,255,255,.56);
      font-size: 13px;
      flex-wrap: wrap;
    }

    @media (max-width: 1100px) {
      .container {
        width: min(94%, var(--container));
      }

      .command-search {
        width: 190px;
      }

      .head-panel,
      .content-layout {
        grid-template-columns: 1fr;
      }

      .side-column {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 900px) {
      :root {
        --nav-height: auto;
      }

      .nav-shell {
        min-height: 72px;
        flex-wrap: wrap;
        padding: 14px 0;
      }

      .mobile-toggle {
        display: inline-flex;
      }

      .nav-center,
      .nav-actions {
        display: none;
        width: 100%;
      }

      #nav-check:checked ~ .nav-center,
      #nav-check:checked ~ .nav-actions {
        display: flex;
      }

      .nav-center {
        justify-content: flex-start;
        order: 5;
      }

      .nav-links {
        width: 100%;
        justify-content: flex-start;
        border-radius: 18px;
        overflow-x: auto;
      }

      .nav-actions {
        order: 6;
        align-items: stretch;
        flex-direction: column;
      }

      .command-search {
        width: 100%;
      }

      .head-panel {
        padding: 28px;
      }

      .filter-bar {
        align-items: stretch;
        flex-direction: column;
      }

      .chips {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 4px;
      }

      .filter-search {
        width: 100%;
      }

      .feature-card {
        grid-template-columns: 1fr;
      }

      .task-card {
        grid-template-columns: 64px minmax(0, 1fr);
      }

      .task-card .card-actions {
        grid-column: 1 / -1;
        margin-top: 4px;
      }

      .knowledge-grid,
      .side-column,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .cta-card {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 640px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

      .page-head {
        padding-top: 34px;
      }

      .head-panel,
      .feature-card,
      .task-card,
      .side-card,
      .knowledge-card,
      .cta-card {
        border-radius: 22px;
        padding: 22px;
      }

      h1 {
        font-size: 36px;
      }

      .lead {
        font-size: 16px;
      }

      .section {
        padding: 52px 0;
      }

      .section-title {
        align-items: start;
        flex-direction: column;
        gap: 10px;
      }

      .head-actions,
      .card-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .btn {
        width: 100%;
      }

      .task-card {
        grid-template-columns: 1fr;
      }

      .task-icon {
        width: 62px;
        height: 62px;
        border-radius: 20px;
      }

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 480px) {
      .brand span:last-child {
        max-width: 170px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .nav-links a {
        padding: 0 13px;
      }

      .head-brief {
        padding: 20px;
      }

      .feature-visual {
        min-height: 132px;
      }
    }