/* roulang page: index */
:root{
      --ink:#11110F;
      --ink-2:#1D1C18;
      --paper:#F7F3EA;
      --paper-2:#FBF8F0;
      --mist:#DDE5D0;
      --lime:#B7F23A;
      --lime-2:#C8FF52;
      --sand:#B99462;
      --orange:#D8A15D;
      --muted:#706C60;
      --line:rgba(17,17,15,.10);
      --line-strong:rgba(17,17,15,.18);
      --white:rgba(255,255,255,.92);
      --radius-sm:12px;
      --radius-md:20px;
      --radius-lg:28px;
      --radius-xl:38px;
      --shadow:0 24px 80px rgba(17,17,15,.10);
      --shadow-soft:0 14px 44px rgba(17,17,15,.08);
      --shadow-deep:0 28px 90px rgba(17,17,15,.22);
      --container:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 12% 8%, rgba(183,242,58,.14), transparent 28%),
        radial-gradient(circle at 86% 18%, rgba(185,148,98,.12), transparent 26%),
        linear-gradient(180deg, var(--paper) 0%, #F4EFE3 52%, var(--paper) 100%);
      line-height:1.75;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.055;
      background-image:
        linear-gradient(rgba(17,17,15,.7) 1px, transparent 1px),
        linear-gradient(90deg, rgba(17,17,15,.7) 1px, transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(180deg, #000, transparent 82%);
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:var(--lime);color:var(--ink)}
    .site-container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .section{padding:104px 0}
    .section-tight{padding:78px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      min-height:32px;
      padding:6px 13px;
      border-radius:999px;
      background:rgba(221,229,208,.66);
      border:1px solid rgba(17,17,15,.08);
      color:var(--ink);
      font-size:13px;
      font-weight:800;
      letter-spacing:.04em;
    }
    .eyebrow .dot,.status-dot{
      width:8px;height:8px;border-radius:50%;
      background:var(--lime);
      box-shadow:0 0 0 5px rgba(183,242,58,.18);
      flex:0 0 auto;
    }
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:36px}
    .section-head h2{
      margin:14px 0 0;
      font-size:clamp(30px,4vw,48px);
      line-height:1.12;
      letter-spacing:-.045em;
      font-weight:900;
    }
    .section-head p{max-width:560px;margin:0;color:var(--muted);font-size:17px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      min-height:48px;
      padding:13px 21px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:900;
      line-height:1.2;
      transition:transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
      white-space:nowrap;
    }
    .btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 16px 32px rgba(183,242,58,.24)}
    .btn-primary:hover{background:var(--lime-2);transform:translateY(-2px);box-shadow:0 20px 42px rgba(183,242,58,.34)}
    .btn-secondary{background:rgba(247,243,234,.62);color:var(--ink);border-color:rgba(17,17,15,.16)}
    .btn-secondary:hover{background:var(--ink);border-color:var(--ink);color:var(--paper)}
    .btn-dark{background:var(--ink);color:var(--paper);border-color:rgba(255,255,255,.08)}
    .btn-dark:hover{background:#27251F;color:var(--lime);transform:translateY(-2px)}
    .btn:active{transform:translateY(0);box-shadow:none}
    .btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
      outline:3px solid rgba(183,242,58,.58);
      outline-offset:3px;
    }
    .text-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-weight:900;
    }
    .text-link:after{
      content:"";
      position:absolute;
      left:0;right:0;bottom:-4px;height:2px;
      background:var(--lime);
      transform:scaleX(.22);
      transform-origin:left;
      transition:transform .25s ease;
    }
    .text-link:hover:after{transform:scaleX(1)}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(18px);
      background:rgba(247,243,234,.84);
      border-bottom:1px solid rgba(17,17,15,.08);
    }
    .nav-wrap{height:74px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .brand{
      display:flex;align-items:center;gap:12px;
      min-width:max-content;
      font-weight:950;
      letter-spacing:-.04em;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      background:var(--ink);
      color:var(--lime);
      display:grid;place-items:center;
      font-weight:950;
      box-shadow:0 14px 34px rgba(17,17,15,.16);
      position:relative;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      width:10px;height:10px;border-radius:50%;
      background:var(--lime);
      right:-3px;top:-3px;
      border:3px solid var(--paper);
    }
    .brand-name{font-size:19px}
    .nav-links{
      display:flex;align-items:center;justify-content:center;gap:8px;
      padding:6px;
      border:1px solid rgba(17,17,15,.08);
      border-radius:999px;
      background:rgba(255,255,255,.32);
    }
    .nav-links a{
      min-height:38px;
      display:inline-flex;align-items:center;
      padding:8px 15px;
      border-radius:999px;
      color:rgba(17,17,15,.74);
      font-size:14px;
      font-weight:850;
      transition:background .22s ease,color .22s ease,transform .22s ease;
    }
    .nav-links a:hover{background:rgba(17,17,15,.06);color:var(--ink);transform:translateY(-1px)}
    .nav-links a.active{background:var(--ink);color:var(--paper)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .status-badge{
      display:inline-flex;align-items:center;gap:8px;
      min-height:36px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(183,242,58,.28);
      border:1px solid rgba(183,242,58,.6);
      font-size:13px;
      font-weight:900;
    }
    .cycle-badge{
      display:inline-flex;align-items:center;
      min-height:36px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(185,148,98,.13);
      border:1px solid rgba(185,148,98,.24);
      color:#6C4B24;
      font-size:13px;
      font-weight:850;
    }
    .mobile-toggle{display:none;width:46px;height:46px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.38);font-weight:950}
    .mobile-panel{display:none;border-top:1px solid var(--line);padding:12px 20px 18px;background:rgba(247,243,234,.96)}
    .mobile-panel a{display:flex;align-items:center;justify-content:space-between;padding:13px 0;font-weight:900;border-bottom:1px solid rgba(17,17,15,.07)}
    .hero{
      position:relative;
      overflow:hidden;
      padding:84px 0 34px;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(247,243,234,.96) 0%, rgba(247,243,234,.88) 45%, rgba(247,243,234,.58) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      opacity:.78;
      z-index:-2;
    }
    .hero:after{
      content:"28";
      position:absolute;
      right:-24px;
      top:88px;
      z-index:-1;
      color:rgba(17,17,15,.035);
      font-size:clamp(180px,26vw,420px);
      font-weight:950;
      line-height:.8;
      letter-spacing:-.08em;
    }
    .hero-grid{display:grid;grid-template-columns:minmax(0,1.03fr) minmax(420px,.97fr);gap:54px;align-items:center}
    .hero h1{
      margin:18px 0 18px;
      max-width:780px;
      font-size:clamp(39px,6vw,72px);
      line-height:.98;
      letter-spacing:-.07em;
      font-weight:950;
    }
    .hero-lead{max-width:650px;color:#4B473F;font-size:18px;line-height:1.9}
    .hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:30px}
    .trust-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:22px;color:var(--muted);font-size:14px;font-weight:750}
    .trust-line span{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 10px;
      border:1px solid rgba(17,17,15,.08);
      border-radius:999px;
      background:rgba(255,255,255,.36);
    }
    .dashboard{
      position:relative;
      padding:24px;
      border-radius:var(--radius-xl);
      background:rgba(17,17,15,.94);
      color:var(--paper);
      box-shadow:var(--shadow-deep);
      border:1px solid rgba(255,255,255,.12);
      overflow:hidden;
    }
    .dashboard:before{
      content:"";
      position:absolute;inset:0;
      opacity:.28;
      background:
        radial-gradient(circle at 22% 18%, rgba(183,242,58,.42), transparent 28%),
        linear-gradient(135deg, rgba(255,255,255,.08), transparent 36%);
      pointer-events:none;
    }
    .dashboard > *{position:relative}
    .dash-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}
    .dash-title{font-weight:950;font-size:18px;letter-spacing:-.03em}
    .dash-chip{font-size:12px;font-weight:900;color:var(--ink);background:var(--lime);border-radius:999px;padding:5px 10px}
    .dash-metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:18px}
    .dash-card{
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.055);
      border-radius:22px;
      padding:17px;
    }
    .dash-card strong{display:block;color:var(--lime);font-size:34px;line-height:1;font-weight:950;font-variant-numeric:tabular-nums}
    .dash-card span{display:block;margin-top:7px;color:rgba(247,243,234,.72);font-size:13px;font-weight:750}
    .progress-list{display:grid;gap:14px;margin-top:8px}
    .progress-row{display:grid;gap:7px}
    .progress-row .label{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:rgba(247,243,234,.78);font-weight:800}
    .bar{height:9px;border-radius:999px;background:rgba(255,255,255,.10);overflow:hidden}
    .bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--lime),#EEF8B1)}
    .activity-card{
      margin-top:18px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:14px;
      align-items:center;
      padding:18px;
      border-radius:24px;
      background:var(--paper);
      color:var(--ink);
    }
    .activity-card b{font-size:42px;line-height:1;font-weight:950;font-variant-numeric:tabular-nums}
    .activity-card p{margin:0;color:var(--muted);font-size:13px;font-weight:750}
    .metric-strip{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      margin-top:54px;
    }
    .strip-item{
      padding:22px;
      border-radius:26px;
      background:rgba(255,255,255,.42);
      border:1px solid rgba(17,17,15,.08);
      box-shadow:0 12px 34px rgba(17,17,15,.05);
      transition:transform .25s ease,border-color .25s ease,background .25s ease;
    }
    .strip-item:hover{transform:translateY(-4px);border-color:rgba(183,242,58,.72);background:rgba(255,255,255,.65)}
    .strip-item strong{display:block;font-size:36px;line-height:1;font-weight:950;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
    .strip-item span{display:block;margin-top:8px;color:var(--muted);font-size:14px;font-weight:760}
    .metrics-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:22px;align-items:stretch}
    .metric-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .metric-card,.bento-card,.topic-card,.faq-item{
      border:1px solid rgba(17,17,15,.09);
      background:rgba(255,255,255,.42);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease,background .28s ease;
    }
    .metric-card:hover,.bento-card:hover,.topic-card:hover,.faq-item:hover{
      transform:translateY(-4px);
      border-color:rgba(183,242,58,.78);
      box-shadow:var(--shadow);
      background:rgba(255,255,255,.58);
    }
    .metric-card{padding:25px;min-height:202px}
    .metric-card .num{font-size:48px;line-height:1;font-weight:950;letter-spacing:-.05em;font-variant-numeric:tabular-nums}
    .metric-card .num em{font-style:normal;color:var(--lime);text-shadow:0 0 22px rgba(183,242,58,.24)}
    .metric-card h3{margin:16px 0 7px;font-size:20px;line-height:1.25;font-weight:950;letter-spacing:-.035em}
    .metric-card p{margin:0;color:var(--muted);font-size:14px}
    .mini-trend{margin-top:17px;height:7px;background:rgba(17,17,15,.08);border-radius:999px;overflow:hidden}
    .mini-trend i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--sand),var(--lime))}
    .timeline-card{
      position:relative;
      overflow:hidden;
      min-height:420px;
      padding:34px;
      border-radius:var(--radius-xl);
      background:var(--ink);
      color:var(--paper);
      box-shadow:var(--shadow-deep);
    }
    .timeline-card:before{
      content:"";
      position:absolute;inset:0;
      background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      opacity:.18;
    }
    .timeline-card:after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg, rgba(17,17,15,.62), rgba(17,17,15,.96));
    }
    .timeline-card > *{position:relative;z-index:1}
    .timeline-card h3{font-size:30px;line-height:1.16;margin:0 0 10px;font-weight:950;letter-spacing:-.045em}
    .timeline-card p{margin:0;color:rgba(247,243,234,.74)}
    .nodes{display:grid;gap:16px;margin-top:32px}
    .node{display:grid;grid-template-columns:64px 1fr;gap:14px;align-items:center}
    .node-index{
      width:56px;height:56px;border-radius:18px;
      display:grid;place-items:center;
      background:rgba(183,242,58,.16);
      border:1px solid rgba(183,242,58,.48);
      color:var(--lime);
      font-weight:950;
      font-variant-numeric:tabular-nums;
    }
    .node-body{padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.12)}
    .node-body b{display:block;font-weight:950}
    .node-body span{display:block;color:rgba(247,243,234,.62);font-size:13px;margin-top:2px}
    .bento-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr .85fr;
      grid-auto-rows:minmax(210px,auto);
      gap:18px;
    }
    .bento-card{position:relative;overflow:hidden;padding:28px}
    .bento-card h3{font-size:24px;line-height:1.18;margin:14px 0 10px;font-weight:950;letter-spacing:-.04em}
    .bento-card p{margin:0;color:var(--muted);font-size:15px}
    .bento-card .code{
      display:inline-flex;align-items:center;justify-content:center;
      height:34px;min-width:54px;padding:0 12px;
      border-radius:999px;
      background:rgba(17,17,15,.08);
      color:var(--ink);
      font-size:13px;
      font-weight:950;
    }
    .bento-card.dark{
      grid-row:span 2;
      background:var(--ink);
      color:var(--paper);
      border-color:rgba(255,255,255,.12);
      box-shadow:var(--shadow-deep);
    }
    .bento-card.dark:before{
      content:"";
      position:absolute;inset:0;
      background:
        linear-gradient(180deg, rgba(17,17,15,.12), rgba(17,17,15,.9)),
        url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
      opacity:.52;
    }
    .bento-card.dark > *{position:relative;z-index:1}
    .bento-card.dark p{color:rgba(247,243,234,.78)}
    .bento-card.dark .code{background:var(--lime);color:var(--ink)}
    .bento-card.wide{grid-column:span 2;background:rgba(221,229,208,.48)}
    .bento-foot{position:absolute;left:28px;right:28px;bottom:26px;display:flex;align-items:center;justify-content:space-between;gap:14px}
    .bento-line{height:6px;border-radius:999px;background:rgba(17,17,15,.09);overflow:hidden;flex:1}
    .bento-line i{display:block;width:70%;height:100%;background:var(--lime);border-radius:999px}
    .compare-wrap{
      display:grid;
      grid-template-columns:1fr 1.12fr;
      gap:22px;
      align-items:stretch;
    }
    .compare-card{
      border-radius:var(--radius-xl);
      border:1px solid rgba(17,17,15,.09);
      padding:30px;
      background:rgba(255,255,255,.4);
      box-shadow:var(--shadow-soft);
    }
    .compare-card h3{margin:0 0 18px;font-size:28px;line-height:1.18;font-weight:950;letter-spacing:-.045em}
    .compare-card ul{list-style:none;margin:0;padding:0;display:grid;gap:13px}
    .compare-card li{display:flex;align-items:flex-start;gap:12px;color:#554F44}
    .compare-card li:before{
      content:"";
      width:9px;height:9px;border-radius:50%;
      background:rgba(17,17,15,.22);
      margin-top:10px;
      flex:0 0 auto;
    }
    .compare-card.upgraded{
      background:var(--ink);
      color:var(--paper);
      box-shadow:var(--shadow-deep);
      position:relative;
      overflow:hidden;
    }
    .compare-card.upgraded:before{
      content:"";
      position:absolute;
      inset:auto -20% -30% 16%;
      height:220px;
      background:radial-gradient(circle, rgba(183,242,58,.34), transparent 62%);
      pointer-events:none;
    }
    .compare-card.upgraded li{color:rgba(247,243,234,.78)}
    .compare-card.upgraded li:before{background:var(--lime);box-shadow:0 0 0 5px rgba(183,242,58,.13)}
    .compare-note{
      margin-top:18px;
      padding:18px;
      border-left:4px solid var(--lime);
      border-radius:18px;
      background:rgba(183,242,58,.12);
      color:rgba(247,243,234,.86);
      font-weight:760;
    }
    .topics{display:grid;gap:16px}
    .topic-card{
      display:grid;
      grid-template-columns:210px 1fr auto;
      align-items:center;
      gap:24px;
      padding:14px;
      min-height:154px;
    }
    .topic-media{
      height:126px;
      border-radius:22px;
      overflow:hidden;
      background:var(--mist);
      position:relative;
    }
    .topic-media:after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(90deg, rgba(17,17,15,.08), rgba(17,17,15,.34));
    }
    .topic-media img{width:100%;height:100%;object-fit:cover}
    .topic-content{padding:8px 0}
    .topic-content .tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:rgba(183,242,58,.22);font-size:12px;font-weight:950}
    .topic-content h3{margin:10px 0 4px;font-size:24px;line-height:1.2;font-weight:950;letter-spacing:-.04em}
    .topic-content p{margin:0;color:var(--muted)}
    .topic-card .arrow{
      width:48px;height:48px;border-radius:50%;
      display:grid;place-items:center;
      background:var(--ink);
      color:var(--paper);
      font-weight:950;
      transition:transform .25s ease, background .25s ease, color .25s ease;
    }
    .topic-card:hover .arrow{transform:translateX(4px);background:var(--lime);color:var(--ink)}
    .insight-band{
      border-radius:var(--radius-xl);
      overflow:hidden;
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      background:rgba(221,229,208,.5);
      border:1px solid rgba(17,17,15,.08);
      box-shadow:var(--shadow-soft);
    }
    .insight-img{min-height:420px;position:relative}
    .insight-img img{width:100%;height:100%;object-fit:cover}
    .insight-img:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, transparent, rgba(17,17,15,.36))}
    .insight-text{padding:46px}
    .insight-text h2{font-size:clamp(30px,4vw,46px);line-height:1.12;margin:10px 0 16px;font-weight:950;letter-spacing:-.045em}
    .insight-text p{color:#575147;margin:0 0 18px}
    .check-list{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:12px}
    .check-list li{display:flex;gap:12px;align-items:flex-start;font-weight:780;color:#3E3A33}
    .check-list li:before{
      content:"✓";
      width:25px;height:25px;border-radius:50%;
      display:grid;place-items:center;
      background:var(--lime);
      color:var(--ink);
      font-size:13px;
      font-weight:950;
      flex:0 0 auto;
      margin-top:2px;
    }
    .faq-list{display:grid;gap:13px}
    .faq-item{padding:23px 24px;display:grid;grid-template-columns:66px 1fr 28px;gap:16px;align-items:start;box-shadow:none}
    .faq-no{color:var(--sand);font-weight:950;font-size:18px;font-variant-numeric:tabular-nums}
    .faq-item h3{margin:0;font-size:19px;line-height:1.35;font-weight:950;letter-spacing:-.025em}
    .faq-item p{margin:8px 0 0;color:var(--muted);font-size:15px}
    .faq-plus{font-size:24px;font-weight:500;line-height:1;color:rgba(17,17,15,.42);transition:transform .25s ease,color .25s ease}
    .faq-item:hover .faq-plus{transform:rotate(45deg);color:var(--lime)}
    .cta-panel{
      position:relative;
      overflow:hidden;
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:34px;
      align-items:start;
      padding:46px;
      border-radius:var(--radius-xl);
      background:var(--ink);
      color:var(--paper);
      box-shadow:var(--shadow-deep);
    }
    .cta-panel:before{
      content:"";
      position:absolute;inset:0;
      background:
        radial-gradient(circle at 16% 18%, rgba(183,242,58,.25), transparent 28%),
        radial-gradient(circle at 88% 70%, rgba(185,148,98,.20), transparent 28%);
      pointer-events:none;
    }
    .cta-panel > *{position:relative}
    .cta-panel h2{font-size:clamp(30px,4vw,48px);line-height:1.1;margin:14px 0 16px;font-weight:950;letter-spacing:-.045em}
    .cta-panel p{color:rgba(247,243,234,.74);margin:0}
    .cta-points{display:grid;gap:12px;margin-top:28px}
    .cta-points span{
      display:flex;align-items:center;gap:10px;
      color:rgba(247,243,234,.82);
      font-weight:760;
    }
    .cta-points span:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime)}
    .form-card{
      padding:24px;
      border-radius:28px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.12);
    }
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:7px}
    .field.full{grid-column:1/-1}
    .field label{font-size:13px;color:rgba(247,243,234,.76);font-weight:850}
    .field input,.field select,.field textarea{
      width:100%;
      min-height:52px;
      border-radius:17px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.075);
      color:var(--paper);
      padding:13px 15px;
      outline:none;
      transition:border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }
    .field select option{color:var(--ink);background:var(--paper)}
    .field textarea{min-height:116px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:rgba(247,243,234,.42)}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:rgba(183,242,58,.72);
      box-shadow:0 0 0 4px rgba(183,242,58,.11);
      background:rgba(255,255,255,.10);
    }
    .form-note{margin-top:12px;color:rgba(247,243,234,.58);font-size:13px}
    .site-footer{
      background:#0F0F0D;
      color:var(--paper);
      padding:54px 0 34px;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:34px;align-items:start}
    .footer-brand{display:flex;align-items:center;gap:12px;font-weight:950;font-size:20px;letter-spacing:-.035em}
    .footer-mark{width:38px;height:38px;border-radius:14px;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-weight:950}
    .footer-desc{max-width:430px;margin:16px 0 0;color:rgba(247,243,234,.66)}
    .footer-title{font-weight:950;margin-bottom:12px;color:var(--lime)}
    .footer-links{display:grid;gap:9px}
    .footer-links a,.footer-contact a{color:rgba(247,243,234,.68);transition:color .2s ease,transform .2s ease}
    .footer-links a:hover,.footer-contact a:hover{color:var(--lime);transform:translateX(3px)}
    .footer-bottom{
      display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
      margin-top:42px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      color:rgba(247,243,234,.48);
      font-size:13px;
    }
    @media (max-width:1024px){
      .section{padding:78px 0}
      .hero-grid,.metrics-grid,.compare-wrap,.insight-band,.cta-panel{grid-template-columns:1fr}
      .hero-grid{gap:36px}
      .dashboard{max-width:680px}
      .metric-strip{grid-template-columns:repeat(2,1fr)}
      .bento-grid{grid-template-columns:1fr 1fr}
      .bento-card.dark{grid-row:auto;grid-column:span 2;min-height:360px}
      .bento-card.wide{grid-column:span 2}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid > :first-child{grid-column:1/-1}
      .topic-card{grid-template-columns:170px 1fr auto}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 32px, var(--container))}
      .nav-links,.status-badge,.cycle-badge,.nav-actions .btn{display:none}
      .mobile-toggle{display:grid;place-items:center}
      .mobile-panel.open{display:block}
      .nav-wrap{height:68px}
      .hero{padding:58px 0 28px}
      .hero h1{letter-spacing:-.055em}
      .hero-actions{align-items:stretch}
      .hero-actions .btn{width:100%}
      .dash-metrics,.metric-cards,.form-grid{grid-template-columns:1fr}
      .metric-strip{grid-template-columns:1fr}
      .bento-grid{grid-template-columns:1fr}
      .bento-card.dark,.bento-card.wide{grid-column:auto}
      .bento-foot{position:static;margin-top:24px}
      .section-head{display:block}
      .section-head p{margin-top:14px}
      .topic-card{grid-template-columns:1fr;gap:14px;padding:14px}
      .topic-media{height:190px}
      .topic-card .arrow{width:100%;border-radius:18px;height:46px}
      .faq-item{grid-template-columns:46px 1fr;gap:12px}
      .faq-plus{display:none}
      .cta-panel{padding:28px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:grid}
    }
    @media (max-width:520px){
      .brand-name{font-size:17px}
      .brand-mark{width:38px;height:38px}
      .hero-lead{font-size:16px}
      .dashboard{padding:18px;border-radius:28px}
      .activity-card{grid-template-columns:1fr}
      .strip-item,.metric-card,.compare-card{padding:20px}
      .timeline-card{padding:24px;min-height:auto}
      .node{grid-template-columns:50px 1fr}
      .node-index{width:46px;height:46px;border-radius:15px}
      .insight-text{padding:28px}
      .cta-panel{border-radius:28px}
    }

/* roulang page: category1 */
:root{
      --ink:#11110F;
      --ink-2:#151411;
      --paper:#F7F3EA;
      --paper-2:#FFFDF6;
      --lime:#B7F23A;
      --lime-2:#C8FF52;
      --mist:#DDE5D0;
      --sand:#B99462;
      --muted:#68655C;
      --line:rgba(17,17,15,.10);
      --line-strong:rgba(17,17,15,.18);
      --white:rgba(255,255,255,.86);
      --radius-sm:14px;
      --radius-md:24px;
      --radius-lg:34px;
      --shadow:0 24px 80px rgba(17,17,15,.10);
      --shadow-soft:0 18px 50px rgba(17,17,15,.08);
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--ink);
      background:
        radial-gradient(circle at 12% 8%, rgba(183,242,58,.13), transparent 28rem),
        radial-gradient(circle at 88% 14%, rgba(185,148,98,.12), transparent 24rem),
        linear-gradient(180deg,var(--paper),#f3ecdf 46%,var(--paper));
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.045;
      z-index:-1;
      background-image:
        linear-gradient(rgba(17,17,15,.5) 1px, transparent 1px),
        linear-gradient(90deg, rgba(17,17,15,.5) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, #000, transparent 80%);
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:var(--lime);color:var(--ink)}
    .site-container{
      width:min(100% - 40px, 1240px);
      margin-inline:auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(247,243,234,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(17,17,15,.08);
    }
    .nav-wrap{
      min-height:72px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      letter-spacing:-.04em;
      white-space:nowrap;
    }
    .brand-mark,.footer-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      background:var(--ink);
      color:var(--lime);
      display:inline-grid;
      place-items:center;
      font-weight:900;
      font-variant-numeric:tabular-nums;
      box-shadow:inset 0 0 0 1px rgba(183,242,58,.24), 0 12px 28px rgba(17,17,15,.16);
    }
    .brand-name{font-size:19px}
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      padding:6px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,253,246,.56);
    }
    .nav-links a{
      min-height:40px;
      display:inline-flex;
      align-items:center;
      padding:0 18px;
      border-radius:999px;
      font-size:14px;
      font-weight:700;
      color:var(--muted);
      transition:.25s ease;
    }
    .nav-links a:hover,.nav-links a.active{
      color:var(--ink);
      background:var(--lime);
      transform:translateY(-1px);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .status-badge,.cycle-badge,.badge,.tag-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:30px;
      padding:6px 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      white-space:nowrap;
    }
    .status-badge{
      background:var(--lime);
      color:var(--ink);
    }
    .status-dot{
      width:8px;height:8px;border-radius:999px;background:var(--ink);
      box-shadow:0 0 0 4px rgba(17,17,15,.10);
    }
    .cycle-badge{
      background:rgba(185,148,98,.14);
      color:#6b4d26;
      border:1px solid rgba(185,148,98,.22);
    }
    .btn{
      min-height:46px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      padding:0 22px;
      font-weight:900;
      letter-spacing:-.02em;
      border:1px solid transparent;
      transition:transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
    }
    .btn-primary{
      background:var(--lime);
      color:var(--ink);
      box-shadow:0 16px 36px rgba(183,242,58,.32);
    }
    .btn-primary:hover{background:var(--lime-2);transform:translateY(-2px);box-shadow:0 22px 44px rgba(183,242,58,.42)}
    .btn-secondary{
      background:rgba(255,253,246,.72);
      color:var(--ink);
      border-color:var(--line-strong);
    }
    .btn-secondary:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:translateY(-2px)}
    .btn:active{transform:translateY(0);box-shadow:none}
    .btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible{
      outline:3px solid rgba(183,242,58,.58);
      outline-offset:3px;
    }
    .mobile-toggle{
      display:none;
      width:46px;
      height:46px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,253,246,.72);
      font-size:22px;
      line-height:1;
    }
    .mobile-panel{
      display:none;
      border-top:1px solid var(--line);
      background:rgba(247,243,234,.96);
      padding:10px 20px 18px;
    }
    .mobile-panel a{
      display:flex;
      justify-content:space-between;
      align-items:center;
      padding:14px 0;
      border-bottom:1px solid rgba(17,17,15,.08);
      font-weight:850;
    }
    .mobile-panel span{
      font-size:12px;
      color:var(--muted);
      background:rgba(17,17,15,.06);
      padding:3px 9px;
      border-radius:999px;
    }
    .section{padding:96px 0}
    .section-tight{padding:70px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      min-height:34px;
      padding:7px 14px;
      border-radius:999px;
      background:rgba(17,17,15,.06);
      border:1px solid rgba(17,17,15,.08);
      color:var(--muted);
      font-size:13px;
      font-weight:900;
      letter-spacing:.03em;
    }
    .eyebrow:before{
      content:"";
      width:8px;height:8px;border-radius:999px;background:var(--lime);
      box-shadow:0 0 0 5px rgba(183,242,58,.18);
    }
    .hero-inner{
      position:relative;
      overflow:hidden;
      border-radius:0 0 var(--radius-lg) var(--radius-lg);
      background:
        linear-gradient(105deg, rgba(247,243,234,.95) 0%, rgba(247,243,234,.88) 48%, rgba(17,17,15,.15) 100%),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-bottom:1px solid var(--line);
    }
    .hero-inner:after{
      content:"28";
      position:absolute;
      right:6%;
      top:6%;
      font-size:170px;
      line-height:1;
      font-weight:900;
      letter-spacing:-.08em;
      color:rgba(17,17,15,.035);
      pointer-events:none;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:10px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      margin-bottom:28px;
    }
    .breadcrumb a{
      position:relative;
      color:var(--ink);
    }
    .breadcrumb a:after{
      content:"";
      position:absolute;
      left:0;right:0;bottom:-3px;height:2px;
      background:var(--lime);
      transform:scaleX(.35);
      transform-origin:left;
      transition:.25s ease;
    }
    .breadcrumb a:hover:after{transform:scaleX(1)}
    h1,h2,h3{line-height:1.12;letter-spacing:-.055em;margin:0}
    h1{
      font-size:clamp(38px,6vw,68px);
      font-weight:950;
      max-width:820px;
    }
    h2{
      font-size:clamp(30px,4vw,46px);
      font-weight:950;
    }
    h3{
      font-size:clamp(21px,2vw,27px);
      font-weight:900;
    }
    .lead{
      color:var(--muted);
      font-size:18px;
      line-height:1.85;
      max-width:760px;
    }
    .hero-card{
      position:relative;
      border-radius:32px;
      padding:20px;
      background:rgba(255,253,246,.72);
      border:1px solid rgba(17,17,15,.10);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-card img{
      height:260px;
      width:100%;
      object-fit:cover;
      border-radius:24px;
      filter:saturate(.9) contrast(.96);
    }
    .index-panel{
      margin-top:-42px;
      position:relative;
      z-index:3;
    }
    .mini-stat{
      border-radius:24px;
      background:rgba(255,253,246,.86);
      border:1px solid var(--line);
      padding:18px;
      box-shadow:var(--shadow-soft);
    }
    .mini-stat strong{
      display:block;
      font-size:30px;
      line-height:1;
      font-weight:950;
      font-variant-numeric:tabular-nums;
      letter-spacing:-.04em;
    }
    .mini-stat span{color:var(--muted);font-size:13px;font-weight:750}
    .filter-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag-pill{
      border:1px solid var(--line);
      background:rgba(255,253,246,.70);
      color:var(--ink);
      cursor:default;
      transition:.25s ease;
    }
    .tag-pill.is-active{
      background:var(--lime);
      border-color:rgba(17,17,15,.0);
    }
    .tag-pill:hover{
      background:var(--ink);
      color:var(--paper);
      transform:translateY(-2px);
    }
    .card{
      position:relative;
      border-radius:var(--radius-md);
      background:rgba(255,253,246,.72);
      border:1px solid var(--line);
      box-shadow:0 10px 34px rgba(17,17,15,.05);
      transition:transform .28s ease, box-shadow .28s ease, border-color .28s ease, background .28s ease;
      overflow:hidden;
    }
    .card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow);
      border-color:rgba(183,242,58,.68);
      background:rgba(255,253,246,.92);
    }
    .side-card{
      position:sticky;
      top:96px;
      padding:28px;
      border-radius:30px;
      background:var(--ink);
      color:var(--paper);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .side-card:before{
      content:"";
      position:absolute;
      inset:auto -30% -42% 22%;
      height:220px;
      background:radial-gradient(circle, rgba(183,242,58,.24), transparent 68%);
    }
    .toc-link{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:14px 0;
      border-bottom:1px solid rgba(247,243,234,.13);
      color:rgba(247,243,234,.78);
      font-weight:800;
      transition:.25s ease;
      position:relative;
      z-index:1;
    }
    .toc-link:hover{color:var(--lime);padding-left:6px}
    .scheme-card{
      padding:26px;
      min-height:255px;
    }
    .scheme-head{
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:flex-start;
      margin-bottom:18px;
    }
    .scheme-no{
      width:44px;
      height:44px;
      border-radius:16px;
      background:rgba(183,242,58,.18);
      color:var(--ink);
      display:grid;
      place-items:center;
      font-weight:950;
      font-variant-numeric:tabular-nums;
    }
    .scheme-card p{color:var(--muted);margin:14px 0 0}
    .metric-strip{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:8px;
      margin-top:20px;
    }
    .metric-strip span{
      display:flex;
      align-items:center;
      justify-content:center;
      min-height:34px;
      border-radius:12px;
      background:rgba(17,17,15,.055);
      font-size:12px;
      font-weight:850;
      color:#514d45;
    }
    .micro-cta{
      display:inline-flex;
      align-items:center;
      margin-top:18px;
      font-weight:900;
      color:var(--ink);
      text-decoration:underline;
      text-decoration-thickness:3px;
      text-decoration-color:var(--lime);
      text-underline-offset:5px;
    }
    .guide-block{
      border-radius:34px;
      padding:42px;
      background:linear-gradient(135deg, rgba(17,17,15,.96), rgba(30,29,25,.94));
      color:var(--paper);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .guide-block:before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.08;
      background-image:radial-gradient(circle at 1px 1px, var(--lime) 1px, transparent 0);
      background-size:26px 26px;
    }
    .guide-content{position:relative;z-index:1}
    .guide-item{
      padding:24px;
      border-radius:24px;
      background:rgba(247,243,234,.07);
      border:1px solid rgba(247,243,234,.12);
    }
    .guide-item h3{font-size:22px;margin-bottom:10px;color:var(--lime)}
    .guide-item p{color:rgba(247,243,234,.76);margin:0}
    .process-card{
      padding:28px;
      border-radius:28px;
      background:rgba(221,229,208,.48);
      border:1px solid var(--line);
    }
    .process-card b{
      display:inline-grid;
      place-items:center;
      width:38px;height:38px;
      border-radius:14px;
      background:var(--ink);
      color:var(--lime);
      margin-bottom:18px;
      font-variant-numeric:tabular-nums;
    }
    .process-card p{color:var(--muted);margin:12px 0 0}
    .faq-item{
      display:grid;
      grid-template-columns:72px 1fr 34px;
      gap:20px;
      padding:24px;
      border-radius:24px;
      background:rgba(255,253,246,.72);
      border:1px solid var(--line);
      transition:.25s ease;
    }
    .faq-item:hover{
      background:rgba(221,229,208,.55);
      transform:translateY(-2px);
      border-color:rgba(183,242,58,.54);
    }
    .faq-no{
      color:var(--sand);
      font-size:24px;
      font-weight:950;
      font-variant-numeric:tabular-nums;
    }
    .faq-item p{margin:8px 0 0;color:var(--muted)}
    .faq-plus{
      width:34px;height:34px;border-radius:999px;background:var(--lime);
      display:grid;place-items:center;font-weight:950;
    }
    .cta-panel{
      border-radius:34px;
      background:
        linear-gradient(135deg, rgba(17,17,15,.97), rgba(31,30,25,.96)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color:var(--paper);
      padding:44px;
      position:relative;
      overflow:hidden;
      box-shadow:var(--shadow);
    }
    .cta-panel:after{
      content:"";
      position:absolute;
      width:320px;height:320px;border-radius:999px;
      right:-120px;top:-140px;
      background:rgba(183,242,58,.16);
      filter:blur(6px);
    }
    .form-box{
      position:relative;
      z-index:1;
      border-radius:26px;
      padding:22px;
      background:rgba(247,243,234,.08);
      border:1px solid rgba(247,243,234,.12);
    }
    .form-box input,.form-box select,.form-box textarea{
      width:100%;
      min-height:52px;
      border:1px solid rgba(247,243,234,.14);
      border-radius:16px;
      background:rgba(255,255,255,.08);
      color:var(--paper);
      padding:12px 15px;
      outline:none;
      transition:.25s ease;
    }
    .form-box textarea{min-height:104px;resize:vertical}
    .form-box input::placeholder,.form-box textarea::placeholder{color:rgba(247,243,234,.52)}
    .form-box select option{color:var(--ink)}
    .form-box input:focus,.form-box select:focus,.form-box textarea:focus{
      border-color:var(--lime);
      box-shadow:0 0 0 4px rgba(183,242,58,.12);
    }
    .site-footer{
      background:var(--ink);
      color:var(--paper);
      padding:64px 0 28px;
      margin-top:0;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr;
      gap:42px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-size:20px;
      font-weight:950;
      letter-spacing:-.04em;
    }
    .footer-desc{
      color:rgba(247,243,234,.68);
      max-width:560px;
      margin:18px 0 0;
    }
    .footer-title{
      font-weight:950;
      margin-bottom:15px;
      color:var(--lime);
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(247,243,234,.70);
      transition:.22s ease;
    }
    .footer-links a:hover{
      color:var(--lime);
      transform:translateX(4px);
    }
    .footer-bottom{
      margin-top:46px;
      padding-top:22px;
      border-top:1px solid rgba(247,243,234,.12);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:rgba(247,243,234,.52);
      font-size:13px;
    }
    @media (max-width:1024px){
      .site-container{width:min(100% - 32px, 920px)}
      .cycle-badge{display:none}
      .section{padding:76px 0}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
      .side-card{position:relative;top:auto}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px, 680px)}
      .nav-links,.status-badge{display:none}
      .mobile-toggle{display:inline-grid;place-items:center}
      .mobile-panel.is-open{display:block}
      .nav-wrap{min-height:66px}
      .brand-mark{width:38px;height:38px}
      .brand-name{font-size:17px}
      .nav-actions .btn{display:none}
      .hero-inner{border-radius:0 0 26px 26px}
      .section{padding:62px 0}
      .section-tight{padding:52px 0}
      .index-panel{margin-top:18px}
      .guide-block,.cta-panel{padding:28px;border-radius:28px}
      .faq-item{grid-template-columns:1fr;gap:8px}
      .faq-plus{display:none}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:grid}
    }
    @media (max-width:520px){
      .site-container{width:min(100% - 24px, 480px)}
      h1{font-size:36px}
      .hero-card img{height:210px}
      .metric-strip{grid-template-columns:1fr}
      .mini-stat strong{font-size:26px}
      .btn{width:100%}
      .filter-row{overflow:auto;flex-wrap:nowrap;padding-bottom:6px}
      .tag-pill{flex:0 0 auto}
    }