/* roulang page: index */
:root{
      --bg:#F5F7F2;
      --bg-2:#EEF4ED;
      --surface:#FFFFFF;
      --surface-soft:#FAFCF8;
      --ink:#101614;
      --ink-2:#28332D;
      --muted:#6B756D;
      --muted-2:#879287;
      --line:#DDE7DC;
      --line-strong:#C8D6C8;
      --green:#27D17F;
      --green-2:#18B7A0;
      --green-dark:#0E7F4D;
      --warm:#FFB84D;
      --danger:#FF6A55;
      --shadow:0 18px 60px rgba(16,22,20,.08);
      --shadow-strong:0 26px 80px rgba(16,22,20,.14);
      --radius-xl:32px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --container:1240px;
      --narrow:880px;
      --header:78px;
      --ease:cubic-bezier(.2,.8,.2,1);
      --t:220ms var(--ease);
      --z-header:50;
      --z-drawer:80;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth;text-size-adjust:100%}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Helvetica Neue,Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 10% 6%, rgba(39,209,127,.16), transparent 28rem),
        radial-gradient(circle at 90% 16%, rgba(24,183,160,.12), transparent 30rem),
        linear-gradient(180deg,var(--bg) 0%, #FBFCFA 48%, var(--bg) 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(16,22,20,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16,22,20,.035) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.5), transparent 65%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    a,button,input{transition:color var(--t),background var(--t),border-color var(--t),box-shadow var(--t),transform var(--t),opacity var(--t)}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    img,svg{display:block;max-width:100%}
    ul{margin:0;padding:0;list-style:none}
    p{margin:0}
    h1,h2,h3,h4{margin:0;line-height:1.12;letter-spacing:-.035em}
    .container{width:min(calc(100% - 40px),var(--container));margin:0 auto}
    .narrow{width:min(calc(100% - 40px),var(--narrow));margin:0 auto}
    .section{padding:96px 0;position:relative}
    .section-tight{padding:72px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:30px;
      padding:6px 12px;
      border-radius:999px;
      border:1px solid rgba(39,209,127,.28);
      background:rgba(39,209,127,.1);
      color:#0A6D43;
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:999px;
      background:var(--green);
      box-shadow:0 0 0 5px rgba(39,209,127,.16);
    }
    .section-head{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(280px,.75fr);
      gap:38px;
      align-items:end;
      margin-bottom:34px;
    }
    .section-head h2{
      margin-top:16px;
      font-size:clamp(32px,4.4vw,54px);
      font-weight:800;
      color:var(--ink);
    }
    .section-head p{
      color:var(--muted);
      font-size:17px;
      max-width:620px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:50px;
      padding:0 22px;
      border-radius:999px;
      font-weight:800;
      letter-spacing:-.01em;
      white-space:nowrap;
      user-select:none;
      border:1px solid transparent;
      position:relative;
      overflow:hidden;
    }
    .btn::after{
      content:"";
      position:absolute;
      inset:-30% auto -30% -40%;
      width:32%;
      background:linear-gradient(90deg, transparent, rgba(255,255,255,.42), transparent);
      transform:skewX(-18deg);
      opacity:0;
    }
    .btn:hover::after{animation:sweep .7s var(--ease)}
    @keyframes sweep{0%{left:-45%;opacity:0}20%{opacity:1}100%{left:120%;opacity:0}}
    .btn-primary{
      background:var(--green);
      color:#062016;
      box-shadow:0 14px 34px rgba(39,209,127,.32);
    }
    .btn-primary:hover{background:#22C779;transform:translateY(-2px);box-shadow:0 18px 44px rgba(39,209,127,.42)}
    .btn-secondary{
      background:rgba(255,255,255,.74);
      color:var(--ink);
      border-color:var(--line-strong);
      box-shadow:0 10px 26px rgba(16,22,20,.04);
    }
    .btn-secondary:hover{border-color:rgba(39,209,127,.62);color:var(--green-dark);transform:translateY(-2px)}
    .btn-dark{
      background:var(--ink);
      color:#fff;
      box-shadow:0 16px 42px rgba(16,22,20,.18);
    }
    .btn-dark:hover{background:#1A241F;transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,input:focus-visible,.faq-trigger:focus-visible,.nav-toggle:focus-visible,.locator:focus-visible{
      outline:3px solid rgba(39,209,127,.42);
      outline-offset:3px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:#EAF8EF;
      color:#0C7147;
      font-size:13px;
      font-weight:800;
      border:1px solid rgba(39,209,127,.18);
    }
    .mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}
    .site-header{
      position:sticky;
      top:0;
      z-index:var(--z-header);
      backdrop-filter:saturate(160%) blur(18px);
      background:rgba(245,247,242,.82);
      border-bottom:1px solid rgba(221,231,220,.78);
    }
    .topbar{
      border-bottom:1px solid rgba(221,231,220,.72);
      background:rgba(255,255,255,.42);
    }
    .topbar-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      color:var(--muted);
      font-size:13px;
    }
    .status-line{display:flex;align-items:center;gap:10px;min-width:0}
    .status-dot{
      width:8px;height:8px;border-radius:50%;background:var(--green);
      box-shadow:0 0 0 5px rgba(39,209,127,.15);
      flex:0 0 auto;
    }
    .topbar-note{white-space:nowrap}
    .nav-wrap{
      height:var(--header);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:900;
      letter-spacing:-.045em;
      color:var(--ink);
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      background:
        linear-gradient(135deg,rgba(39,209,127,.98),rgba(24,183,160,.92));
      box-shadow:0 14px 32px rgba(39,209,127,.28);
      display:grid;
      place-items:center;
      position:relative;
      overflow:hidden;
      flex:0 0 auto;
    }
    .brand-mark::before{
      content:"";
      width:15px;
      height:21px;
      border:2px solid rgba(6,32,22,.88);
      border-radius:5px;
      background:rgba(255,255,255,.2);
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      width:0;height:0;
      border-top:6px solid transparent;
      border-bottom:6px solid transparent;
      border-left:9px solid #062016;
      transform:translateX(2px);
    }
    .brand-text{
      display:block;
      max-width:270px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
      font-size:18px;
    }
    .main-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:6px;
      border:1px solid rgba(221,231,220,.85);
      background:rgba(255,255,255,.52);
      border-radius:999px;
      box-shadow:0 8px 28px rgba(16,22,20,.04);
    }
    .main-nav a{
      min-height:38px;
      display:inline-flex;
      align-items:center;
      padding:0 16px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:800;
    }
    .main-nav a:hover,.main-nav a.active{background:var(--ink);color:#fff}
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .locator{
      min-height:42px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid rgba(203,213,203,.9);
      background:rgba(255,255,255,.62);
      color:var(--ink-2);
      font-size:14px;
      font-weight:800;
    }
    .locator:hover{border-color:rgba(39,209,127,.55);color:var(--green-dark);transform:translateY(-1px)}
    .pin{
      width:18px;height:18px;border-radius:50% 50% 50% 4px;
      transform:rotate(-45deg);
      border:2px solid var(--green-2);
      position:relative;
      flex:0 0 auto;
    }
    .pin::after{
      content:"";
      width:5px;height:5px;border-radius:50%;background:var(--green);
      position:absolute;inset:50% auto auto 50%;
      transform:translate(-50%,-50%);
    }
    .search-pill{
      display:flex;
      align-items:center;
      gap:8px;
      height:42px;
      width:168px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid rgba(203,213,203,.9);
      background:rgba(255,255,255,.64);
      color:var(--muted);
    }
    .search-pill input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:var(--ink);
      font-size:14px;
    }
    .search-pill:focus-within{border-color:rgba(39,209,127,.75);box-shadow:0 0 0 4px rgba(39,209,127,.12)}
    .nav-toggle{
      display:none;
      width:44px;height:44px;
      border-radius:15px;
      background:var(--ink);
      color:#fff;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
    }
    .nav-toggle span{width:18px;height:2px;border-radius:4px;background:currentColor}
    .mobile-panel{
      display:none;
      border-top:1px solid var(--line);
      background:rgba(245,247,242,.98);
      box-shadow:0 18px 48px rgba(16,22,20,.08);
    }
    .mobile-panel.open{display:block}
    .mobile-panel-inner{padding:16px 0 22px;display:grid;gap:12px}
    .mobile-panel a,.mobile-panel button{
      min-height:48px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:0 16px;
      border-radius:16px;
      background:#fff;
      border:1px solid var(--line);
      font-weight:800;
      color:var(--ink);
      text-align:left;
    }
    .location-pop{
      position:fixed;
      top:92px;
      right:max(20px,calc((100vw - var(--container))/2));
      width:min(360px,calc(100vw - 40px));
      padding:18px;
      border-radius:24px;
      background:rgba(255,255,255,.96);
      border:1px solid var(--line);
      box-shadow:var(--shadow-strong);
      z-index:var(--z-drawer);
      opacity:0;
      pointer-events:none;
      transform:translateY(-8px);
    }
    .location-pop.open{opacity:1;pointer-events:auto;transform:translateY(0)}
    .location-pop h3{font-size:19px;margin-bottom:8px}
    .location-pop p{font-size:14px;color:var(--muted);margin-bottom:14px}
    .node-list{display:grid;gap:8px}
    .node-list a{
      display:flex;align-items:center;justify-content:space-between;
      padding:12px 13px;border-radius:16px;background:var(--surface-soft);
      border:1px solid var(--line);font-weight:800;
    }
    .node-list a:hover{border-color:rgba(39,209,127,.58);transform:translateY(-1px)}
    .hero{
      padding:48px 0 90px;
    }
    .promo-stage{
      position:relative;
      min-height:610px;
      border-radius:40px;
      overflow:hidden;
      background:
        radial-gradient(circle at 18% 12%, rgba(255,184,77,.24), transparent 18rem),
        radial-gradient(circle at 86% 16%, rgba(39,209,127,.25), transparent 28rem),
        linear-gradient(135deg,#FFFFFF 0%,#F1F7EE 48%,#DDF3E8 100%);
      border:1px solid rgba(203,213,203,.92);
      box-shadow:var(--shadow);
      padding:42px;
      display:grid;
      grid-template-columns:1fr;
      align-items:end;
    }
    .promo-stage::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(16,22,20,.06) 1px, transparent 1px),
        linear-gradient(rgba(16,22,20,.055) 1px, transparent 1px);
      background-size:54px 54px;
      mask-image:radial-gradient(circle at 65% 45%, rgba(0,0,0,.76), transparent 70%);
      pointer-events:none;
    }
    .promo-stage::after{
      content:"3GP";
      position:absolute;
      right:-30px;
      top:36px;
      font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
      font-size:168px;
      font-weight:900;
      line-height:1;
      letter-spacing:-.08em;
      color:rgba(16,22,20,.055);
      pointer-events:none;
    }
    .burst{
      position:absolute;
      top:34px;
      left:42px;
      width:132px;
      height:132px;
      border-radius:38% 62% 55% 45% / 48% 42% 58% 52%;
      background:var(--warm);
      color:#261602;
      display:flex;
      align-items:center;
      justify-content:center;
      text-align:center;
      font-weight:900;
      line-height:1.18;
      box-shadow:0 18px 40px rgba(255,184,77,.32);
      transform:rotate(-8deg);
      z-index:2;
    }
    .burst small{display:block;font-size:13px;font-weight:800}
    .hero-copy{
      position:relative;
      z-index:3;
      max-width:930px;
      padding-top:130px;
    }
    .limit-row{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px;
      margin-bottom:18px;
    }
    .limit-tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 13px;
      border-radius:999px;
      color:#062016;
      background:rgba(39,209,127,.18);
      border:1px solid rgba(39,209,127,.28);
      font-size:13px;
      font-weight:900;
    }
    .limit-tag.warn{background:rgba(255,184,77,.18);border-color:rgba(255,184,77,.42)}
    .hero h1{
      max-width:980px;
      font-size:clamp(38px,7vw,74px);
      font-weight:900;
      letter-spacing:-.065em;
      color:var(--ink);
    }
    .hero-intro{
      max-width:790px;
      margin-top:22px;
      color:#334039;
      font-size:18px;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:30px;
    }
    .hero-metrics{
      margin-top:34px;
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      max-width:820px;
    }
    .metric{
      min-height:104px;
      padding:16px;
      border-radius:22px;
      background:rgba(255,255,255,.68);
      border:1px solid rgba(203,213,203,.8);
      box-shadow:0 12px 34px rgba(16,22,20,.05);
      position:relative;
      overflow:hidden;
    }
    .metric::after{
      content:"";
      position:absolute;
      left:16px;right:16px;bottom:14px;height:4px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--green),rgba(39,209,127,.16));
    }
    .metric strong{
      display:block;
      font-size:28px;
      line-height:1;
      letter-spacing:-.04em;
      font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
    }
    .metric span{display:block;margin-top:8px;color:var(--muted);font-size:13px;font-weight:700}
    .floating-cards{
      position:absolute;
      right:42px;
      bottom:42px;
      width:min(410px,38vw);
      display:grid;
      gap:12px;
      z-index:2;
    }
    .float-card{
      padding:15px;
      border-radius:22px;
      border:1px solid rgba(203,213,203,.82);
      background:rgba(255,255,255,.76);
      backdrop-filter:blur(12px);
      box-shadow:0 18px 50px rgba(16,22,20,.08);
      transform:rotate(var(--r,0deg));
    }
    .float-card:nth-child(2){margin-left:70px}
    .float-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:9px;
      font-weight:900;
    }
    .progress{
      height:8px;border-radius:999px;background:#E7EFE6;overflow:hidden;
    }
    .progress i{display:block;height:100%;width:var(--w,68%);background:linear-gradient(90deg,var(--green),var(--green-2));border-radius:inherit}
    .entry-grid{
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:18px;
      align-items:stretch;
    }
    .entry-main,.entry-side,.feature-card,.scene-card,.case-card,.price-card,.news-card,.faq-item,.story-panel{
      border:1px solid var(--line);
      background:rgba(255,255,255,.78);
      box-shadow:0 12px 36px rgba(16,22,20,.045);
    }
    .entry-main{
      border-radius:var(--radius-xl);
      padding:30px;
      display:grid;
      grid-template-columns:1fr .9fr;
      gap:24px;
      min-height:330px;
      position:relative;
      overflow:hidden;
    }
    .entry-main::after{
      content:"";
      position:absolute;
      right:-80px;bottom:-110px;
      width:310px;height:310px;border-radius:50%;
      border:48px solid rgba(39,209,127,.12);
    }
    .entry-main h3{font-size:32px;margin-top:16px}
    .entry-main p{margin-top:14px;color:var(--muted);font-size:16px}
    .entry-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
    .entry-map{
      position:relative;
      min-height:240px;
      border-radius:26px;
      background:
        linear-gradient(135deg,rgba(16,22,20,.06) 1px,transparent 1px),
        linear-gradient(45deg,#ECF5EC,#FFFFFF);
      background-size:18px 18px,auto;
      border:1px solid rgba(203,213,203,.72);
      overflow:hidden;
    }
    .map-node{
      position:absolute;
      width:16px;height:16px;border-radius:50%;
      background:var(--green);
      box-shadow:0 0 0 10px rgba(39,209,127,.15);
    }
    .map-node:nth-child(1){left:20%;top:30%}
    .map-node:nth-child(2){left:58%;top:44%;background:var(--green-2)}
    .map-node:nth-child(3){left:76%;top:22%;background:var(--warm)}
    .map-line{
      position:absolute;left:24%;top:37%;width:52%;height:1px;
      background:linear-gradient(90deg,var(--green),var(--green-2),var(--warm));
      transform:rotate(-9deg);
      transform-origin:left center;
    }
    .entry-side{
      border-radius:var(--radius-xl);
      padding:22px;
      display:grid;
      gap:12px;
    }
    .entry-link{
      display:flex;
      align-items:center;
      justify-content:space-between;
      min-height:70px;
      padding:14px 16px;
      border-radius:20px;
      background:var(--surface-soft);
      border:1px solid var(--line);
      font-weight:900;
    }
    .entry-link span{display:block;color:var(--muted);font-size:13px;font-weight:700;margin-top:2px}
    .entry-link:hover{border-color:rgba(39,209,127,.62);transform:translateY(-3px);box-shadow:0 14px 34px rgba(16,22,20,.07)}
    .dashboard{
      display:grid;
      grid-template-columns:1fr 1fr;
      grid-template-areas:
        "wide format"
        "search update";
      gap:18px;
    }
    .feature-card{
      border-radius:var(--radius-lg);
      padding:24px;
      min-height:230px;
      position:relative;
      overflow:hidden;
    }
    .feature-card.wide{grid-area:wide;min-height:300px}
    .feature-card.format{grid-area:format}
    .feature-card.search{grid-area:search}
    .feature-card.update{grid-area:update}
    .feature-card::before{
      content:"";
      position:absolute;
      top:0;left:0;right:0;height:4px;
      background:linear-gradient(90deg,var(--green),transparent);
      opacity:.8;
    }
    .feature-card:hover,.scene-card:hover,.case-card:hover,.price-card:hover,.news-card:hover{
      transform:translateY(-4px);
      border-color:rgba(39,209,127,.58);
      box-shadow:var(--shadow);
    }
    .icon-line{
      width:46px;height:46px;border-radius:16px;
      border:1px solid rgba(39,209,127,.38);
      background:rgba(39,209,127,.1);
      display:grid;place-items:center;
      color:var(--green-dark);
      margin-bottom:18px;
    }
    .icon-line svg{width:24px;height:24px;stroke:currentColor;stroke-width:1.9;fill:none}
    .feature-card h3{font-size:24px;margin-bottom:12px}
    .feature-card p{color:var(--muted);font-size:15px}
    .card-foot{
      display:flex;align-items:center;justify-content:space-between;gap:12px;
      margin-top:22px;padding-top:16px;border-top:1px solid var(--line);
      color:var(--green-dark);font-weight:900;font-size:14px;
    }
    .signal{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:13px;font-weight:800}
    .signal i{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(39,209,127,.14)}
    .scenes-wrap{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:22px;
      align-items:start;
    }
    .timeline{
      padding:24px;
      border-radius:var(--radius-xl);
      background:var(--ink);
      color:#fff;
      position:sticky;
      top:110px;
      overflow:hidden;
    }
    .timeline::after{
      content:"";
      position:absolute;inset:auto -80px -100px auto;width:260px;height:260px;
      border-radius:50%;background:rgba(39,209,127,.18);
    }
    .timeline h3{font-size:30px;margin:14px 0 12px}
    .timeline p{color:rgba(255,255,255,.68)}
    .timeline-steps{margin-top:26px;display:grid;gap:18px;position:relative;z-index:1}
    .timeline-steps::before{
      content:"";position:absolute;left:13px;top:12px;bottom:12px;width:1px;background:rgba(39,209,127,.45)
    }
    .step{
      display:grid;
      grid-template-columns:28px 1fr;
      gap:12px;
      align-items:start;
    }
    .step-num{
      width:28px;height:28px;border-radius:50%;
      background:var(--green);color:#062016;
      display:grid;place-items:center;
      font-size:13px;font-weight:900;
      position:relative;z-index:1;
    }
    .step strong{display:block;font-size:16px}
    .step span{display:block;color:rgba(255,255,255,.65);font-size:13px;margin-top:3px}
    .scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .scene-card{
      border-radius:var(--radius-lg);
      padding:24px;
      min-height:220px;
    }
    .scene-card:nth-child(1){grid-row:span 2}
    .scene-card h3{font-size:24px;margin:16px 0 10px}
    .scene-card p{color:var(--muted);font-size:15px}
    .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:4px 10px;
      border-radius:999px;
      background:#F0F6EF;
      border:1px solid var(--line);
      color:#4E5A52;
      font-size:12px;
      font-weight:800;
    }
    .proof-band{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:18px;
    }
    .proof-meter{
      border-radius:var(--radius-xl);
      padding:26px;
      color:#fff;
      background:
        radial-gradient(circle at 25% 20%,rgba(39,209,127,.3),transparent 18rem),
        linear-gradient(135deg,#101614,#1E2923);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .proof-meter::before{
      content:"";
      position:absolute;inset:0;
      background:repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 26px);
      opacity:.35;
    }
    .proof-meter > *{position:relative}
    .proof-meter h3{font-size:28px;margin:14px 0}
    .meter-num{
      display:block;
      font-size:62px;
      line-height:1;
      font-weight:900;
      letter-spacing:-.06em;
      color:var(--green);
    }
    .meter-list{margin-top:24px;display:grid;gap:12px}
    .meter-list li{
      display:flex;align-items:center;justify-content:space-between;
      padding:12px 0;border-top:1px solid rgba(255,255,255,.14);
      color:rgba(255,255,255,.78)
    }
    .case-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .case-card{
      border-radius:var(--radius-lg);
      padding:24px;
    }
    .case-card h3{font-size:22px;margin:14px 0 10px}
    .case-card p{color:var(--muted);font-size:15px}
    .quote{
      margin-top:18px;
      padding:14px 16px;
      border-radius:16px;
      background:#F1F8F1;
      border-left:4px solid var(--green);
      color:#3C4941;
      font-size:14px;
    }
    .pricing-layout{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:18px;
      align-items:stretch;
    }
    .price-note{
      border-radius:var(--radius-xl);
      padding:28px;
      background:#F7FBF5;
      border:1px solid var(--line);
      box-shadow:0 12px 36px rgba(16,22,20,.04);
    }
    .price-note h3{font-size:30px;margin:14px 0}
    .price-note p{color:var(--muted)}
    .mini-checks{margin-top:24px;display:grid;gap:12px}
    .mini-checks li{display:flex;gap:10px;align-items:flex-start;color:var(--ink-2);font-weight:700}
    .mini-checks li::before{content:"✓";color:var(--green-dark);font-weight:900}
    .price-cards{display:grid;grid-template-columns:1fr 1.08fr 1fr;gap:14px}
    .price-card{
      border-radius:var(--radius-lg);
      padding:22px;
      position:relative;
    }
    .price-card.featured{
      background:linear-gradient(180deg,#FFFFFF,#EFF9F2);
      border-color:rgba(39,209,127,.56);
      box-shadow:0 24px 70px rgba(39,209,127,.16);
      transform:translateY(-10px);
    }
    .price-card.featured:hover{transform:translateY(-14px)}
    .recommend{
      position:absolute;
      right:18px;top:18px;
      background:var(--ink);
      color:#fff;
      border-radius:999px;
      padding:5px 9px;
      font-size:12px;
      font-weight:900;
    }
    .price-card h3{font-size:23px;margin:20px 0 8px}
    .price-card p{color:var(--muted);font-size:14px;min-height:52px}
    .price{
      margin:18px 0;
      font-size:32px;
      font-weight:900;
      letter-spacing:-.05em;
    }
    .price small{font-size:13px;color:var(--muted);font-weight:700;letter-spacing:0}
    .price-list{display:grid;gap:10px;margin:18px 0 22px}
    .price-list li{display:flex;gap:9px;color:#39443D;font-size:14px;font-weight:700}
    .price-list li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green);margin-top:9px;flex:0 0 auto}
    .news-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:20px;
      align-items:start;
    }
    .news-stream{
      display:grid;
      gap:12px;
    }
    .news-card{
      border-radius:22px;
      padding:20px;
      display:grid;
      grid-template-columns:128px 1fr auto;
      gap:18px;
      align-items:center;
    }
    .news-date{
      height:92px;
      border-radius:18px;
      background:var(--ink);
      color:#fff;
      display:grid;
      place-items:center;
      text-align:center;
      font-weight:900;
      line-height:1.1;
    }
    .news-date small{display:block;color:rgba(255,255,255,.58);font-size:12px;margin-top:6px}
    .news-body h3{font-size:21px;letter-spacing:-.03em}
    .news-body h3 a:hover{color:var(--green-dark)}
    .news-body p{
      margin-top:8px;
      color:var(--muted);
      font-size:14px;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .news-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
    .news-arrow{
      width:42px;height:42px;border-radius:50%;
      display:grid;place-items:center;
      background:#EEF6EE;
      color:var(--green-dark);
      font-weight:900;
    }
    .news-card:hover .news-arrow{transform:translateX(4px);background:var(--green);color:#062016}
    .side-recommend{
      border-radius:var(--radius-xl);
      padding:22px;
      background:linear-gradient(180deg,#101614,#1C2822);
      color:#fff;
      position:sticky;
      top:110px;
      overflow:hidden;
    }
    .side-recommend::after{
      content:"";
      position:absolute;
      right:-80px;bottom:-80px;width:220px;height:220px;border-radius:50%;
      background:rgba(39,209,127,.16);
    }
    .side-recommend h3{font-size:26px;margin:14px 0 10px;position:relative}
    .side-recommend p{color:rgba(255,255,255,.68);position:relative}
    .calendar-list{margin-top:20px;display:grid;gap:10px;position:relative;z-index:1}
    .calendar-item{
      display:flex;gap:12px;align-items:flex-start;
      padding:13px;border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.1);
    }
    .calendar-item time{
      width:52px;flex:0 0 auto;
      color:var(--green);
      font-weight:900;
      font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
    }
    .calendar-item strong{display:block;font-size:14px}
    .calendar-item span{display:block;color:rgba(255,255,255,.62);font-size:12px;margin-top:2px}
    .empty-state{
      border:1px dashed rgba(39,209,127,.45);
      border-radius:24px;
      padding:34px;
      text-align:center;
      background:rgba(255,255,255,.68);
      color:var(--muted);
    }
    .empty-icon{
      width:54px;height:54px;margin:0 auto 14px;border-radius:18px;
      background:rgba(39,209,127,.12);
      display:grid;place-items:center;color:var(--green-dark);font-size:26px;font-weight:900;
    }
    .faq-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:24px;
      align-items:start;
    }
    .faq-intro{
      border-radius:var(--radius-xl);
      padding:28px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 12px 36px rgba(16,22,20,.04);
      position:sticky;
      top:110px;
    }
    .faq-intro h2{font-size:clamp(32px,4.2vw,48px);margin-top:14px}
    .faq-intro p{margin-top:14px;color:var(--muted)}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border-radius:22px;
      overflow:hidden;
    }
    .faq-item.active{border-color:rgba(39,209,127,.58);background:#FDFFFC}
    .faq-trigger{
      width:100%;
      min-height:66px;
      padding:18px 20px;
      background:transparent;
      color:var(--ink);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      text-align:left;
      font-weight:900;
      font-size:17px;
    }
    .faq-sign{
      width:30px;height:30px;border-radius:50%;
      background:#EEF6EE;
      color:var(--green-dark);
      display:grid;place-items:center;
      flex:0 0 auto;
      font-size:20px;
      line-height:1;
    }
    .faq-panel{
      max-height:0;
      overflow:hidden;
      opacity:0;
      transition:max-height 260ms var(--ease),opacity 260ms var(--ease);
    }
    .faq-item.active .faq-panel{max-height:260px;opacity:1}
    .faq-panel p{
      padding:0 20px 20px;
      color:var(--muted);
      font-size:15px;
    }
    .cta-panel{
      border-radius:38px;
      padding:42px;
      background:
        radial-gradient(circle at 82% 20%,rgba(39,209,127,.26),transparent 22rem),
        linear-gradient(135deg,#101614,#1B2721);
      color:#fff;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      overflow:hidden;
      position:relative;
    }
    .cta-panel::before{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
      background-size:34px 100%;
      opacity:.5;
    }
    .cta-panel > *{position:relative;z-index:1}
    .cta-panel h2{font-size:clamp(32px,4.8vw,56px);font-weight:900}
    .cta-panel p{margin-top:14px;color:rgba(255,255,255,.7);max-width:720px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .site-footer{
      padding:58px 0 26px;
      background:#101614;
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .site-footer::before{
      content:"";
      position:absolute;left:0;right:0;top:0;height:1px;
      background:linear-gradient(90deg,transparent,var(--green),transparent);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:28px;
      padding-bottom:36px;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .footer-brand{display:flex;align-items:center;gap:12px;font-weight:900;font-size:18px;letter-spacing:-.04em}
    .footer-text{margin-top:14px;color:rgba(255,255,255,.62);max-width:520px}
    .footer-col h3{font-size:16px;margin-bottom:12px;color:#fff}
    .footer-links{display:grid;gap:10px}
    .footer-links a,.footer-links span{color:rgba(255,255,255,.62);font-size:14px}
    .footer-links a:hover{color:var(--green);transform:translateX(3px)}
    .copyright{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding-top:22px;
      color:rgba(255,255,255,.52);
      font-size:13px;
    }
    .backtop{
      position:fixed;
      right:20px;
      bottom:20px;
      width:46px;
      height:46px;
      border-radius:16px;
      background:var(--ink);
      color:#fff;
      box-shadow:var(--shadow);
      opacity:0;
      pointer-events:none;
      z-index:30;
    }
    .backtop.show{opacity:1;pointer-events:auto}
    .backtop:hover{background:var(--green);color:#062016;transform:translateY(-3px)}
    @media (max-width:1200px){
      .floating-cards{width:360px}
      .promo-stage{min-height:590px}
      .price-cards{grid-template-columns:1fr}
      .price-card.featured{transform:none}
      .price-card.featured:hover{transform:translateY(-4px)}
    }
    @media (max-width:992px){
      :root{--header:70px}
      .section{padding:76px 0}
      .section-head,.entry-grid,.entry-main,.scenes-wrap,.proof-band,.pricing-layout,.news-layout,.faq-wrap,.cta-panel{
        grid-template-columns:1fr;
      }
      .main-nav,.search-pill{display:none}
      .nav-toggle{display:flex}
      .brand-text{max-width:220px}
      .promo-stage{padding:30px;min-height:auto;align-items:start}
      .hero-copy{padding-top:126px}
      .floating-cards{position:relative;right:auto;bottom:auto;width:100%;margin-top:30px}
      .float-card:nth-child(2){margin-left:0}
      .dashboard{grid-template-areas:none;grid-template-columns:1fr 1fr}
      .feature-card.wide,.feature-card.format,.feature-card.search,.feature-card.update{grid-area:auto}
      .timeline,.side-recommend,.faq-intro{position:relative;top:auto}
      .news-card{grid-template-columns:100px 1fr auto}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container,.narrow{width:min(calc(100% - 28px),var(--container))}
      .topbar-note{display:none}
      .brand-text{max-width:190px;font-size:16px}
      .locator{padding:0 10px;font-size:0}
      .locator .pin{margin:0}
      .hero{padding:28px 0 62px}
      .promo-stage{border-radius:28px;padding:22px}
      .burst{width:104px;height:104px;left:22px;top:22px;font-size:14px}
      .hero-copy{padding-top:112px}
      .hero-intro{font-size:16px}
      .hero-actions,.cta-actions{flex-direction:column}
      .btn{width:100%}
      .hero-metrics,.dashboard,.scene-grid,.case-grid{
        grid-template-columns:1fr;
      }
      .scene-card:nth-child(1){grid-row:auto}
      .entry-main{padding:22px}
      .news-card{
        grid-template-columns:1fr;
        align-items:start;
      }
      .news-date{
        width:100%;
        height:auto;
        min-height:62px;
        display:flex;
        justify-content:space-between;
        padding:0 18px;
        text-align:left;
      }
      .news-arrow{display:none}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column;align-items:flex-start}
    }
    @media (max-width:560px){
      body{line-height:1.68}
      .section{padding:58px 0}
      .nav-wrap{gap:10px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .brand-text{max-width:150px}
      .promo-stage::after{font-size:92px;right:-12px;top:16px}
      .hero h1{font-size:38px;line-height:1.08}
      .limit-row{gap:8px}
      .limit-tag{font-size:12px}
      .hero-metrics{gap:10px}
      .metric{min-height:94px}
      .metric strong{font-size:24px}
      .section-head{gap:18px;margin-bottom:24px}
      .section-head h2{font-size:34px}
      .entry-main h3,.timeline h3,.price-note h3{font-size:27px}
      .cta-panel{padding:28px;border-radius:28px}
      .location-pop{top:78px;right:14px;width:calc(100vw - 28px)}
    }
    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.001ms!important}
    }

/* roulang page: article */
:root{
      --bg:#F5F7F2;
      --bg-2:#EEF4ED;
      --surface:#FFFFFF;
      --surface-soft:#FAFCF8;
      --ink:#101614;
      --ink-2:#28332D;
      --muted:#6B756D;
      --muted-2:#879287;
      --line:#DDE7DC;
      --line-strong:#C8D6C8;
      --green:#27D17F;
      --green-2:#18B7A0;
      --green-dark:#0E7F4D;
      --warm:#FFB84D;
      --danger:#FF6A55;
      --shadow:0 18px 60px rgba(16,22,20,.08);
      --shadow-strong:0 26px 80px rgba(16,22,20,.14);
      --radius-xl:32px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --container:1240px;
      --narrow:880px;
      --header:78px;
      --ease:cubic-bezier(.2,.8,.2,1);
      --t:220ms var(--ease);
      --z-header:50;
      --z-drawer:80;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth;text-size-adjust:100%}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Helvetica Neue,Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 10% 6%, rgba(39,209,127,.16), transparent 28rem),
        radial-gradient(circle at 90% 16%, rgba(24,183,160,.12), transparent 30rem),
        linear-gradient(180deg,var(--bg) 0%, #FBFCFA 48%, var(--bg) 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(16,22,20,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16,22,20,.035) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.5), transparent 65%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    a,button,input,textarea{transition:color var(--t),background var(--t),border-color var(--t),box-shadow var(--t),transform var(--t),opacity var(--t)}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0;background:none}
    img,svg{display:block;max-width:100%;height:auto}
    ul,ol{margin:0;padding:0}
    li{list-style:none}
    p,h1,h2,h3,h4,blockquote,figure{margin:0}
    ::selection{background:rgba(39,209,127,.24)}
    .container{width:min(calc(100% - 40px),var(--container));margin:0 auto}
    .narrow{width:min(calc(100% - 40px),var(--narrow));margin:0 auto}
    .section{padding:86px 0;position:relative}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:30px;
      padding:6px 12px;
      border-radius:999px;
      border:1px solid rgba(39,209,127,.28);
      background:rgba(39,209,127,.1);
      color:#0A6D43;
      font-size:13px;
      font-weight:800;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:999px;
      background:var(--green);
      box-shadow:0 0 0 5px rgba(39,209,127,.16);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:#EAF8EF;
      color:#0C7147;
      font-size:13px;
      font-weight:800;
      border:1px solid rgba(39,209,127,.18);
      vertical-align:middle;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:50px;
      padding:0 22px;
      border-radius:999px;
      font-weight:800;
      letter-spacing:-.01em;
      white-space:nowrap;
      user-select:none;
      border:1px solid transparent;
      position:relative;
      overflow:hidden;
    }
    .btn::after{
      content:"";
      position:absolute;
      inset:-30% auto -30% -40%;
      width:32%;
      background:linear-gradient(90deg, transparent, rgba(255,255,255,.42), transparent);
      transform:skewX(-18deg);
      opacity:0;
    }
    .btn:hover::after{animation:sweep .7s var(--ease)}
    .btn-primary{
      background:var(--green);
      color:#062016;
      box-shadow:0 14px 34px rgba(39,209,127,.32);
    }
    .btn-primary:hover{background:#22C779;transform:translateY(-2px);box-shadow:0 18px 44px rgba(39,209,127,.42)}
    .btn-secondary{
      background:rgba(255,255,255,.74);
      color:var(--ink);
      border-color:var(--line-strong);
      box-shadow:0 10px 26px rgba(16,22,20,.04);
    }
    .btn-secondary:hover{border-color:rgba(39,209,127,.62);color:var(--green-dark);transform:translateY(-2px)}
    .btn-dark{
      background:var(--ink);
      color:#fff;
      box-shadow:0 16px 42px rgba(16,22,20,.18);
    }
    .btn-dark:hover{background:#1A241F;transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,.faq-trigger:focus-visible,.nav-toggle:focus-visible,.locator:focus-visible{
      outline:3px solid rgba(39,209,127,.42);
      outline-offset:3px;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:var(--z-header);
      backdrop-filter:saturate(160%) blur(18px);
      background:rgba(245,247,242,.84);
      border-bottom:1px solid rgba(221,231,220,.78);
    }
    .topbar{
      border-bottom:1px solid rgba(221,231,220,.72);
      background:rgba(255,255,255,.42);
    }
    .topbar-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      color:var(--muted);
      font-size:13px;
    }
    .topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .topbar-status{
      display:flex;
      align-items:center;
      gap:8px;
      flex:0 0 auto;
      font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
      color:var(--green-dark);
      font-weight:700;
    }
    .topbar-status::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--green);
      box-shadow:0 0 0 5px rgba(39,209,127,.14);
    }
    .nav-wrap{
      height:var(--header);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:900;
      letter-spacing:-.045em;
      color:var(--ink);
    }
    .brand:hover{color:var(--green-dark)}
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      background:linear-gradient(135deg,rgba(39,209,127,.98),rgba(24,183,160,.92));
      box-shadow:0 14px 32px rgba(39,209,127,.28);
      display:grid;
      place-items:center;
      position:relative;
      overflow:hidden;
      flex:0 0 auto;
    }
    .brand-mark::before{
      content:"";
      width:15px;
      height:21px;
      border:2px solid rgba(6,32,22,.82);
      border-radius:5px;
      background:rgba(255,255,255,.28);
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      width:0;
      height:0;
      border-top:6px solid transparent;
      border-bottom:6px solid transparent;
      border-left:9px solid rgba(6,32,22,.86);
      transform:translateX(2px);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.1;
      min-width:0;
    }
    .brand-text strong{
      font-size:18px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text span{
      margin-top:4px;
      color:var(--muted);
      font-size:12px;
      letter-spacing:0;
      font-weight:700;
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:14px;
      margin-left:auto;
    }
    .main-nav{
      display:flex;
      align-items:center;
      gap:6px;
      padding:6px;
      border:1px solid rgba(221,231,220,.82);
      background:rgba(255,255,255,.58);
      border-radius:999px;
    }
    .main-nav a{
      min-height:40px;
      display:inline-flex;
      align-items:center;
      padding:0 16px;
      border-radius:999px;
      color:var(--muted);
      font-weight:800;
      font-size:14px;
    }
    .main-nav a:hover{color:var(--green-dark);background:rgba(39,209,127,.09)}
    .main-nav a.active{
      color:#062016;
      background:var(--green);
      box-shadow:0 8px 20px rgba(39,209,127,.25);
    }
    .locator{
      min-height:44px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:0 14px;
      border:1px solid var(--line-strong);
      border-radius:999px;
      background:rgba(255,255,255,.72);
      color:var(--ink-2);
      font-weight:800;
      box-shadow:0 10px 28px rgba(16,22,20,.04);
      position:relative;
    }
    .locator:hover{border-color:rgba(39,209,127,.6);color:var(--green-dark);transform:translateY(-1px)}
    .pin{
      width:18px;
      height:18px;
      display:inline-block;
      position:relative;
      border:2px solid var(--green-dark);
      border-radius:50% 50% 50% 0;
      transform:rotate(-45deg);
    }
    .pin::after{
      content:"";
      position:absolute;
      width:6px;
      height:6px;
      border-radius:50%;
      background:var(--green);
      top:4px;
      left:4px;
    }
    .search-mini{
      width:210px;
      min-height:44px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 14px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.72);
      color:var(--muted);
    }
    .search-mini input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:var(--ink);
      min-width:0;
      font-size:14px;
    }
    .search-mini:focus-within{border-color:rgba(39,209,127,.72);box-shadow:0 0 0 4px rgba(39,209,127,.12)}
    .nav-toggle{
      display:none;
      width:46px;
      height:46px;
      border-radius:15px;
      border:1px solid var(--line-strong);
      background:rgba(255,255,255,.78);
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
    }
    .nav-toggle span{
      width:20px;
      height:2px;
      border-radius:3px;
      background:var(--ink);
    }
    .mobile-panel{
      display:none;
      border-top:1px solid var(--line);
      background:rgba(250,252,248,.96);
      padding:14px 0 18px;
    }
    .mobile-panel a,.mobile-panel button{
      width:100%;
      min-height:46px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:0 16px;
      border-radius:16px;
      color:var(--ink);
      font-weight:800;
    }
    .mobile-panel a:hover,.mobile-panel button:hover{background:rgba(39,209,127,.1);color:var(--green-dark)}
    .locator-pop{
      position:fixed;
      top:112px;
      right:max(20px,calc((100vw - var(--container)) / 2));
      width:min(360px,calc(100vw - 40px));
      padding:18px;
      background:rgba(255,255,255,.96);
      border:1px solid var(--line-strong);
      border-radius:24px;
      box-shadow:var(--shadow-strong);
      z-index:var(--z-drawer);
      transform:translateY(-8px);
      opacity:0;
      visibility:hidden;
      pointer-events:none;
    }
    .locator-pop.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}
    .locator-pop h2{font-size:18px;margin-bottom:8px}
    .locator-pop p{font-size:14px;color:var(--muted);line-height:1.65}
    .node-list{display:grid;gap:10px;margin-top:14px}
    .node-item{
      display:flex;
      justify-content:space-between;
      align-items:center;
      padding:10px 12px;
      border:1px solid var(--line);
      border-radius:16px;
      background:var(--surface-soft);
      font-size:14px;
      font-weight:800;
    }
    .node-item span:last-child{color:var(--green-dark);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}
    .article-hero{
      padding:54px 0 34px;
      position:relative;
      overflow:hidden;
    }
    .article-hero::after{
      content:"";
      position:absolute;
      right:-160px;
      top:18px;
      width:520px;
      height:520px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(39,209,127,.18), transparent 68%);
      pointer-events:none;
      z-index:-1;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:9px;
      color:var(--muted);
      font-size:14px;
      margin-bottom:24px;
    }
    .breadcrumb a{font-weight:800;color:var(--ink-2)}
    .breadcrumb a:hover{color:var(--green-dark)}
    .breadcrumb .sep{color:var(--muted-2)}
    .article-head{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:42px;
      align-items:end;
    }
    .article-title{
      margin-top:18px;
      font-size:clamp(34px,5.6vw,64px);
      line-height:1.08;
      letter-spacing:-.055em;
      font-weight:900;
      color:var(--ink);
      max-width:900px;
      word-break:break-word;
    }
    .article-summary{
      margin-top:18px;
      max-width:760px;
      color:var(--muted);
      font-size:17px;
      line-height:1.85;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
      align-items:center;
    }
    .meta-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:36px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.72);
      color:var(--muted);
      font-size:13px;
      font-weight:800;
    }
    .meta-pill strong{color:var(--ink-2)}
    .article-panel{
      border:1px solid rgba(200,214,200,.86);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(255,255,255,.82),rgba(250,252,248,.76));
      box-shadow:var(--shadow);
      padding:22px;
      position:relative;
      overflow:hidden;
    }
    .article-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, transparent 0 17px, rgba(39,209,127,.08) 18px, transparent 19px),
        linear-gradient(180deg, transparent 0 17px, rgba(39,209,127,.06) 18px, transparent 19px);
      background-size:36px 36px;
      opacity:.55;
      pointer-events:none;
    }
    .panel-content{position:relative;z-index:1}
    .vertical-preview{
      width:168px;
      height:294px;
      margin:0 auto 18px;
      border-radius:28px;
      border:8px solid #1A241F;
      background:
        linear-gradient(180deg,rgba(39,209,127,.18),transparent 34%),
        linear-gradient(145deg,#FAFCF8,#EDF4EC);
      box-shadow:0 22px 46px rgba(16,22,20,.16);
      padding:16px 12px;
      display:flex;
      flex-direction:column;
      gap:10px;
      position:relative;
    }
    .vertical-preview::before{
      content:"";
      position:absolute;
      top:8px;
      left:50%;
      width:42px;
      height:5px;
      transform:translateX(-50%);
      border-radius:999px;
      background:rgba(255,255,255,.45);
    }
    .preview-line{
      height:12px;
      border-radius:999px;
      background:rgba(16,22,20,.12);
    }
    .preview-line.short{width:62%}
    .preview-card{
      margin-top:8px;
      border:1px solid rgba(39,209,127,.32);
      border-radius:16px;
      padding:10px;
      background:rgba(255,255,255,.68);
    }
    .preview-play{
      width:42px;
      height:42px;
      border-radius:50%;
      background:var(--green);
      display:grid;
      place-items:center;
      margin-bottom:10px;
      box-shadow:0 10px 20px rgba(39,209,127,.28);
    }
    .preview-play::before{
      content:"";
      width:0;
      height:0;
      border-top:7px solid transparent;
      border-bottom:7px solid transparent;
      border-left:11px solid #062016;
      margin-left:3px;
    }
    .progress{
      height:7px;
      border-radius:999px;
      background:rgba(16,22,20,.1);
      overflow:hidden;
      margin-top:auto;
    }
    .progress span{
      display:block;
      height:100%;
      width:68%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--green),var(--green-2));
    }
    .panel-note{
      display:grid;
      gap:10px;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }
    .panel-note strong{color:var(--ink)}
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 300px;
      gap:42px;
      align-items:start;
      padding-bottom:38px;
    }
    .article-card{
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      background:rgba(255,255,255,.82);
      box-shadow:var(--shadow);
      padding:clamp(24px,4vw,48px);
      overflow:hidden;
    }
    .article-content{
      color:var(--ink-2);
      font-size:18px;
      line-height:1.9;
      word-break:break-word;
    }
    .article-content > *:first-child{margin-top:0}
    .article-content p{margin:1.15em 0}
    .article-content h2{
      margin:2.1em 0 .8em;
      font-size:clamp(26px,3vw,34px);
      line-height:1.25;
      color:var(--ink);
      letter-spacing:-.035em;
    }
    .article-content h3{
      margin:1.8em 0 .65em;
      font-size:clamp(21px,2.2vw,26px);
      line-height:1.35;
      color:var(--ink);
      letter-spacing:-.02em;
    }
    .article-content h4{
      margin:1.4em 0 .55em;
      font-size:19px;
      color:var(--ink);
    }
    .article-content a{
      color:var(--green-dark);
      font-weight:800;
      background:linear-gradient(var(--green),var(--green)) left 100%/0 2px no-repeat;
    }
    .article-content a:hover{background-size:100% 2px;color:#095F3B}
    .article-content ul,.article-content ol{
      margin:1.1em 0;
      padding-left:1.25em;
    }
    .article-content li{list-style:disc;margin:.55em 0;padding-left:.25em}
    .article-content ol li{list-style:decimal}
    .article-content blockquote{
      margin:1.4em 0;
      padding:18px 20px;
      border-left:4px solid var(--green);
      border-radius:0 18px 18px 0;
      background:rgba(39,209,127,.1);
      color:var(--ink-2);
    }
    .article-content img{
      border-radius:22px;
      border:1px solid var(--line);
      box-shadow:0 14px 42px rgba(16,22,20,.08);
      margin:1.5em auto;
    }
    .article-content figure{margin:1.6em 0}
    .article-content figcaption{
      margin-top:8px;
      text-align:center;
      color:var(--muted);
      font-size:14px;
    }
    .article-content hr{
      border:0;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--line-strong),transparent);
      margin:2em 0;
    }
    .article-content table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:1.5em 0;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:18px;
      display:block;
      max-width:100%;
    }
    .article-content th,.article-content td{
      padding:12px 14px;
      border-bottom:1px solid var(--line);
      border-right:1px solid var(--line);
      min-width:120px;
    }
    .article-content th{background:var(--surface-soft);color:var(--ink);font-weight:900}
    .article-content tr:last-child td{border-bottom:0}
    .article-content th:last-child,.article-content td:last-child{border-right:0}
    .not-found{
      text-align:center;
      padding:72px 20px;
      border:1px dashed rgba(39,209,127,.45);
      border-radius:var(--radius-lg);
      background:rgba(39,209,127,.06);
    }
    .not-found h2{
      font-size:30px;
      line-height:1.25;
      margin-bottom:12px;
      color:var(--ink);
    }
    .not-found p{
      color:var(--muted);
      margin-bottom:24px;
    }
    .sidebar{
      position:sticky;
      top:calc(var(--header) + 30px);
      display:grid;
      gap:16px;
    }
    .side-card{
      border:1px solid var(--line);
      border-radius:24px;
      background:rgba(255,255,255,.74);
      box-shadow:0 14px 42px rgba(16,22,20,.06);
      padding:18px;
    }
    .side-card h2,.side-card h3{
      font-size:17px;
      margin-bottom:12px;
      color:var(--ink);
      letter-spacing:-.02em;
    }
    .side-card p{
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
    }
    .toc-list{display:grid;gap:8px}
    .toc-list a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      min-height:38px;
      padding:0 10px;
      border-radius:12px;
      color:var(--muted);
      font-weight:800;
      font-size:14px;
    }
    .toc-list a:hover{background:rgba(39,209,127,.1);color:var(--green-dark);transform:translateX(2px)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
    .mini-status{
      display:grid;
      gap:10px;
      margin-top:12px;
    }
    .mini-status div{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:10px 0;
      border-top:1px solid var(--line);
      color:var(--muted);
      font-size:14px;
    }
    .mini-status strong{
      color:var(--green-dark);
      font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
    }
    .related{
      padding:54px 0 86px;
    }
    .related-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:24px;
      margin-bottom:22px;
    }
    .related-head h2{
      font-size:clamp(28px,3.8vw,42px);
      line-height:1.18;
      letter-spacing:-.045em;
    }
    .related-head p{
      color:var(--muted);
      max-width:560px;
    }
    .related-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
    }
    .related-card{
      min-height:190px;
      padding:22px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.76);
      box-shadow:0 14px 46px rgba(16,22,20,.06);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      position:relative;
      overflow:hidden;
    }
    .related-card::after{
      content:"";
      position:absolute;
      right:-28px;
      bottom:-32px;
      width:132px;
      height:132px;
      border-radius:50%;
      background:rgba(39,209,127,.12);
      pointer-events:none;
    }
    .related-card:hover{
      transform:translateY(-4px);
      border-color:rgba(39,209,127,.58);
      box-shadow:var(--shadow);
    }
    .related-card h3{
      font-size:22px;
      line-height:1.35;
      margin:12px 0 8px;
      letter-spacing:-.025em;
      position:relative;
      z-index:1;
    }
    .related-card:hover h3{color:var(--green-dark)}
    .related-card p{
      color:var(--muted);
      line-height:1.75;
      position:relative;
      z-index:1;
    }
    .related-meta{
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:13px;
      font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
      position:relative;
      z-index:1;
    }
    .stack-list{display:grid;gap:18px}
    .cta-panel{
      margin:0 auto 88px;
      width:min(calc(100% - 40px),var(--container));
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 14% 18%, rgba(39,209,127,.34), transparent 28rem),
        linear-gradient(135deg,#101614,#203128);
      color:#fff;
      border:1px solid rgba(39,209,127,.22);
      box-shadow:var(--shadow-strong);
      overflow:hidden;
      position:relative;
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
      background-size:38px 38px;
      mask-image:linear-gradient(90deg,rgba(0,0,0,.55),transparent 78%);
      pointer-events:none;
    }
    .cta-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:28px;
      align-items:center;
      padding:clamp(28px,5vw,48px);
    }
    .cta-inner h2{
      font-size:clamp(28px,4vw,48px);
      line-height:1.15;
      letter-spacing:-.045em;
      margin-bottom:12px;
    }
    .cta-inner p{
      color:rgba(255,255,255,.72);
      max-width:720px;
    }
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
    .site-footer{
      padding:56px 0 28px;
      background:#101614;
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .site-footer::before{
      content:"";
      position:absolute;
      inset:0 0 auto 0;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--green),transparent);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .7fr .9fr;
      gap:36px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-size:20px;
      font-weight:900;
      letter-spacing:-.04em;
      margin-bottom:14px;
    }
    .footer-text{
      color:rgba(255,255,255,.68);
      max-width:480px;
      line-height:1.8;
    }
    .footer-col h3{
      font-size:15px;
      margin-bottom:14px;
      color:rgba(255,255,255,.92);
    }
    .footer-links{
      display:grid;
      gap:10px;
      color:rgba(255,255,255,.66);
      font-size:14px;
    }
    .footer-links a:hover{color:var(--green);transform:translateX(2px)}
    .copyright{
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.54);
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
    }
    .backtop{
      position:fixed;
      right:22px;
      bottom:22px;
      width:48px;
      height:48px;
      border-radius:16px;
      background:var(--ink);
      color:#fff;
      box-shadow:0 14px 34px rgba(16,22,20,.2);
      display:grid;
      place-items:center;
      opacity:0;
      visibility:hidden;
      transform:translateY(8px);
      z-index:40;
    }
    .backtop.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
    .backtop:hover{background:var(--green-dark);transform:translateY(-2px)}
    @keyframes sweep{
      0%{left:-40%;opacity:0}
      15%{opacity:1}
      100%{left:120%;opacity:0}
    }
    @media (prefers-reduced-motion:reduce){
      html{scroll-behavior:auto}
      *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
    }
    @media (max-width:1200px){
      .search-mini{display:none}
      .article-head{grid-template-columns:minmax(0,1fr) 300px}
      .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:28px}
    }
    @media (max-width:992px){
      :root{--header:70px}
      .topbar-inner{min-height:34px}
      .main-nav,.nav-actions .btn{display:none}
      .nav-toggle{display:flex}
      .mobile-panel.is-open{display:block}
      .brand-text strong{font-size:16px}
      .brand-text span{display:none}
      .article-head{grid-template-columns:1fr}
      .article-panel{max-width:420px}
      .article-layout{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .related-grid{grid-template-columns:1fr}
      .cta-inner{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media (max-width:768px){
      .container,.narrow{width:min(calc(100% - 28px),var(--container))}
      .section{padding:64px 0}
      .topbar-note{max-width:68vw}
      .locator span:last-child{display:none}
      .article-hero{padding:36px 0 24px}
      .article-title{font-size:clamp(34px,8vw,46px)}
      .article-summary{font-size:16px}
      .article-card{border-radius:24px}
      .article-content{font-size:16.5px;line-height:1.85}
      .sidebar{grid-template-columns:1fr}
      .related{padding:42px 0 62px}
      .related-head{display:block}
      .related-head p{margin-top:10px}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:560px){
      .container,.narrow{width:min(calc(100% - 24px),var(--container))}
      .topbar-status{display:none}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .brand-text strong{max-width:190px}
      .nav-wrap{gap:12px}
      .article-title{font-size:34px}
      .meta-row{gap:8px}
      .meta-pill{width:100%;justify-content:space-between}
      .article-panel{padding:16px;border-radius:22px}
      .vertical-preview{width:148px;height:258px}
      .article-card{padding:22px 18px}
      .article-content h2{font-size:24px}
      .article-content h3{font-size:20px}
      .article-content table{overflow-x:auto}
      .related-card{min-height:auto}
      .cta-inner{padding:26px 20px}
      .cta-actions,.btn{width:100%}
      .copyright{display:grid}
      .locator-pop{top:98px;right:12px;width:calc(100vw - 24px)}
    }