/* roulang page: index */
:root{
      --peach:#F27F72;
      --peach-soft:#EFA39A;
      --peach-light:#FFF4EE;
      --cream:#FAECE5;
      --cream-2:#FFF9F5;
      --cocoa:#1D1717;
      --cocoa-2:#2A2020;
      --muted:#8B7470;
      --line:#E8D8D2;
      --white:#FFFFFF;
      --shadow:0 20px 60px rgba(80,35,30,.10);
      --shadow-strong:0 28px 80px rgba(80,35,30,.16);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Helvetica Neue,Arial,sans-serif;
      color:var(--cocoa);
      background:
        radial-gradient(circle at 8% 8%, rgba(242,127,114,.18), transparent 34%),
        radial-gradient(circle at 92% 16%, rgba(239,163,154,.22), transparent 30%),
        linear-gradient(180deg,var(--peach-light) 0%,var(--cream-2) 42%,#fff 100%);
      line-height:1.75;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    input,textarea{outline:none}
    ::selection{background:rgba(242,127,114,.22);color:var(--cocoa)}
    .site-container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
    .skip-link{position:absolute;left:18px;top:-60px;z-index:100;background:var(--cocoa);color:#fff;padding:10px 16px;border-radius:999px}
    .skip-link:focus{top:18px}
    .glass-header{
      position:fixed;
      inset:16px 0 auto 0;
      z-index:60;
      transition:all .28s ease;
      pointer-events:none;
    }
    .nav-shell{
      pointer-events:auto;
      width:min(var(--container),calc(100% - 40px));
      margin-inline:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:12px 14px 12px 18px;
      border:1px solid rgba(80,35,30,.10);
      border-radius:999px;
      background:rgba(255,244,238,.68);
      backdrop-filter:blur(18px) saturate(140%);
      -webkit-backdrop-filter:blur(18px) saturate(140%);
      box-shadow:0 12px 42px rgba(80,35,30,.08);
    }
    .glass-header.is-scrolled{inset:0 0 auto 0;background:rgba(255,249,245,.86);backdrop-filter:blur(20px)}
    .glass-header.is-scrolled .nav-shell{margin-top:10px;background:rgba(255,249,245,.94);box-shadow:0 14px 48px rgba(80,35,30,.13)}
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;height:42px;flex:0 0 42px;border-radius:16px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--peach),#F7B08F);
      box-shadow:0 14px 30px rgba(242,127,114,.28);
      position:relative;
      overflow:hidden;
    }
    .brand-mark:before{
      content:"";
      width:18px;height:23px;border:2px solid rgba(255,255,255,.9);
      border-radius:55% 55% 50% 50%;
      transform:rotate(-18deg);
    }
    .brand-mark:after{
      content:"";
      position:absolute;right:8px;top:8px;width:9px;height:9px;border-radius:999px;background:rgba(255,255,255,.55);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
    .brand-title{
      font-weight:900;
      letter-spacing:-.02em;
      font-size:15px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:420px;
    }
    .brand-sub{font-size:12px;color:var(--muted);margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-link{
      min-height:42px;
      padding:10px 18px;
      border-radius:999px;
      font-weight:700;
      color:rgba(42,32,32,.76);
    }
    .nav-link:hover,.nav-link.active{background:rgba(242,127,114,.12);color:var(--cocoa)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .search-pill{
      display:flex;align-items:center;gap:8px;
      min-height:42px;
      padding:0 14px;
      border:1px solid rgba(80,35,30,.10);
      border-radius:999px;
      color:var(--muted);
      background:rgba(255,255,255,.45);
      font-size:14px;
    }
    .menu-btn{
      display:none;
      width:46px;height:46px;border-radius:999px;
      background:rgba(242,127,114,.12);
      color:var(--cocoa);
      align-items:center;justify-content:center;
    }
    .menu-btn span,.menu-btn span:before,.menu-btn span:after{
      content:"";display:block;width:18px;height:2px;background:currentColor;border-radius:999px;transition:.22s ease;
    }
    .menu-btn span:before{transform:translateY(-6px)}
    .menu-btn span:after{transform:translateY(4px)}
    .mobile-panel{
      display:none;
      width:min(var(--container),calc(100% - 40px));
      margin:10px auto 0;
      border:1px solid rgba(80,35,30,.10);
      border-radius:24px;
      background:rgba(255,249,245,.96);
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow);
      padding:12px;
      pointer-events:auto;
    }
    .mobile-panel.open{display:block}
    .mobile-panel a{
      display:flex;align-items:center;justify-content:space-between;
      padding:14px 16px;
      border-radius:16px;
      font-weight:800;
    }
    .mobile-panel a:hover{background:rgba(242,127,114,.10)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      font-weight:850;
      letter-spacing:-.01em;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease,color .22s ease;
      white-space:nowrap;
    }
    .btn:focus-visible,.nav-link:focus-visible,.menu-btn:focus-visible,input:focus-visible,textarea:focus-visible,a:focus-visible{
      outline:3px solid rgba(242,127,114,.34);
      outline-offset:3px;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--peach),#F7A27D);
      color:#fff;
      box-shadow:0 16px 34px rgba(242,127,114,.28);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 46px rgba(242,127,114,.36)}
    .btn-secondary{
      border:1px solid rgba(80,35,30,.14);
      background:rgba(255,255,255,.48);
      color:var(--cocoa);
    }
    .btn-secondary:hover{background:rgba(242,127,114,.10);border-color:rgba(242,127,114,.42);transform:translateY(-2px)}
    .badge{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(242,127,114,.26);
      background:rgba(255,255,255,.52);
      color:var(--muted);
      font-size:13px;
      font-weight:800;
    }
    .badge-dot{width:8px;height:8px;border-radius:999px;background:var(--peach);box-shadow:0 0 0 5px rgba(242,127,114,.12)}
    .section{padding:92px 0}
    .section-head{max-width:780px;margin-bottom:34px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      margin-bottom:14px;
      color:var(--peach);
      font-size:13px;
      font-weight:900;
      letter-spacing:.08em;
      text-transform:uppercase;
    }
    .section-title{
      font-size:clamp(30px,4vw,46px);
      line-height:1.15;
      letter-spacing:-.045em;
      font-weight:950;
      margin:0;
    }
    .section-desc{margin:16px 0 0;color:var(--muted);font-size:17px;max-width:720px}
    .hero{
      position:relative;
      min-height:780px;
      display:flex;
      align-items:center;
      padding:146px 0 82px;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;inset:0;
      background:
        linear-gradient(rgba(80,35,30,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(80,35,30,.045) 1px, transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 74%);
      pointer-events:none;
    }
    .orb{
      position:absolute;border-radius:999px;filter:blur(4px);opacity:.8;pointer-events:none;
      animation:floaty 10s ease-in-out infinite alternate;
    }
    .orb-one{width:380px;height:380px;right:-90px;top:90px;background:radial-gradient(circle,rgba(242,127,114,.34),transparent 68%)}
    .orb-two{width:260px;height:260px;left:-80px;bottom:50px;background:radial-gradient(circle,rgba(239,163,154,.28),transparent 70%);animation-delay:-2s}
    @keyframes floaty{from{transform:translate3d(0,0,0)}to{transform:translate3d(-18px,22px,0)}}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:52px;align-items:center}
    .hero h1{
      margin:18px 0 20px;
      font-size:clamp(38px,5.7vw,68px);
      line-height:1.04;
      letter-spacing:-.06em;
      font-weight:950;
      max-width:820px;
    }
    .hero h1 .accent{color:var(--peach)}
    .hero-copy{font-size:18px;color:var(--muted);max-width:720px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
    .hero-meta{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
    .meta-chip{
      display:flex;align-items:center;gap:10px;
      padding:12px 14px;
      background:rgba(255,255,255,.56);
      border:1px solid rgba(80,35,30,.10);
      border-radius:18px;
      color:var(--muted);
      font-weight:750;
      box-shadow:0 10px 34px rgba(80,35,30,.06);
    }
    .visual-panel{
      position:relative;
      border-radius:34px;
      padding:18px;
      background:linear-gradient(145deg,rgba(255,255,255,.72),rgba(250,236,229,.66));
      border:1px solid rgba(80,35,30,.10);
      box-shadow:var(--shadow-strong);
      overflow:hidden;
    }
    .visual-panel:before{
      content:"";
      position:absolute;inset:auto -50px -90px auto;
      width:260px;height:260px;border-radius:999px;background:rgba(242,127,114,.18);
    }
    .panel-top{
      position:relative;
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:20px;
      border-radius:26px;
      color:#fff;
      background:
        radial-gradient(circle at 86% 12%,rgba(242,127,114,.62),transparent 32%),
        linear-gradient(135deg,var(--cocoa),#3A2826);
      overflow:hidden;
    }
    .panel-top small{color:rgba(255,244,238,.68);font-weight:800;letter-spacing:.08em}
    .panel-top strong{display:block;font-size:28px;line-height:1.12;margin-top:6px;letter-spacing:-.04em}
    .age-ring{
      width:76px;height:76px;border-radius:999px;
      display:grid;place-items:center;
      border:1px solid rgba(255,255,255,.22);
      background:rgba(255,255,255,.08);
      font-weight:950;
      font-size:22px;
      flex:0 0 auto;
    }
    .dashboard-list{position:relative;display:grid;gap:12px;margin-top:14px}
    .dash-item{
      display:grid;grid-template-columns:46px 1fr auto;align-items:center;gap:14px;
      padding:15px;
      border-radius:22px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(80,35,30,.09);
    }
    .dash-icon{
      width:46px;height:46px;border-radius:17px;
      display:grid;place-items:center;
      background:rgba(242,127,114,.12);
      color:var(--peach);
      font-weight:950;
    }
    .dash-item b{display:block;font-size:16px}
    .dash-item span{display:block;color:var(--muted);font-size:13px;margin-top:2px}
    .status{font-size:12px;font-weight:900;color:var(--peach);background:rgba(242,127,114,.10);padding:6px 9px;border-radius:999px}
    .card{
      background:rgba(255,255,255,.78);
      border:1px solid rgba(80,35,30,.10);
      border-radius:var(--radius-lg);
      box-shadow:0 12px 42px rgba(80,35,30,.06);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease;
    }
    .card:hover{transform:translateY(-4px);border-color:rgba(242,127,114,.36);box-shadow:var(--shadow)}
    .service-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:18px;align-items:stretch}
    .service-big{padding:34px;min-height:360px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(145deg,#fff,rgba(255,244,238,.72))}
    .service-small-wrap{display:grid;gap:18px}
    .service-card{padding:28px}
    .card-index{font-size:13px;font-weight:950;color:var(--peach);letter-spacing:.08em}
    .card h3{font-size:25px;line-height:1.25;margin:12px 0 10px;letter-spacing:-.035em;font-weight:950}
    .card p{color:var(--muted);margin:0}
    .flow-strip{
      margin-top:18px;
      display:grid;grid-template-columns:repeat(4,1fr);
      gap:12px;
    }
    .flow-step{
      padding:18px;
      border-radius:20px;
      background:rgba(250,236,229,.72);
      border:1px solid rgba(80,35,30,.08);
      font-weight:850;
      color:var(--cocoa);
    }
    .flow-step span{display:block;color:var(--peach);font-size:12px;letter-spacing:.08em;margin-bottom:8px}
    .dark-band{
      background:
        radial-gradient(circle at 18% 22%,rgba(242,127,114,.22),transparent 32%),
        radial-gradient(circle at 92% 76%,rgba(239,163,154,.14),transparent 30%),
        linear-gradient(135deg,var(--cocoa),#2D2020);
      color:#FFF4EE;
      border-radius:42px;
      padding:58px;
      overflow:hidden;
      position:relative;
      box-shadow:var(--shadow-strong);
    }
    .dark-band .section-desc{color:rgba(255,244,238,.66)}
    .stats-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:14px;
      margin-top:34px;
    }
    .stat-card{
      min-height:178px;
      padding:26px;
      border-radius:28px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.14);
    }
    .stat-card:first-child{grid-row:span 2}
    .stat-num{display:block;color:var(--peach-soft);font-size:clamp(34px,5vw,58px);line-height:1;font-weight:950;letter-spacing:-.05em}
    .stat-card b{display:block;font-size:20px;margin-top:16px}
    .stat-card p{color:rgba(255,244,238,.64);margin:8px 0 0}
    .scene-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .scene-card{padding:18px;overflow:hidden}
    .scene-card:nth-child(1){grid-column:span 2}
    .scene-shot{
      height:168px;
      border-radius:24px;
      background:
        linear-gradient(90deg,rgba(255,255,255,.2) 1px,transparent 1px),
        linear-gradient(rgba(255,255,255,.2) 1px,transparent 1px),
        linear-gradient(135deg,#2A2020,#4A302D);
      background-size:24px 24px,24px 24px,auto;
      position:relative;
      overflow:hidden;
      margin-bottom:18px;
    }
    .scene-shot:before{
      content:"";
      position:absolute;left:20px;right:20px;top:24px;height:22px;border-radius:999px;background:rgba(255,244,238,.22);
      box-shadow:0 42px 0 rgba(255,244,238,.12),0 84px 0 rgba(242,127,114,.22);
    }
    .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
    .tag{display:inline-flex;padding:6px 10px;border-radius:999px;background:rgba(242,127,114,.10);color:var(--peach);font-size:12px;font-weight:850}
    .solution{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:0;
      border:1px solid rgba(80,35,30,.10);
      border-radius:32px;
      overflow:hidden;
      background:#fff;
      box-shadow:0 12px 42px rgba(80,35,30,.06);
    }
    .solution-step{
      padding:30px;
      min-height:260px;
      border-right:1px solid rgba(80,35,30,.10);
      position:relative;
      transition:.22s ease;
    }
    .solution-step:last-child{border-right:0}
    .solution-step:hover{background:rgba(255,244,238,.78)}
    .solution-no{font-size:13px;font-weight:950;color:var(--peach);letter-spacing:.1em}
    .solution-step h3{font-size:22px;font-weight:950;margin:18px 0 10px;letter-spacing:-.03em}
    .solution-step p{color:var(--muted);margin:0}
    .news-layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:18px;align-items:start}
    .news-card{
      display:block;
      padding:26px;
      border-radius:28px;
      background:#fff;
      border:1px solid rgba(80,35,30,.10);
      box-shadow:0 12px 42px rgba(80,35,30,.06);
      transition:.22s ease;
    }
    .news-card:hover{transform:translateY(-3px);border-color:rgba(242,127,114,.36);box-shadow:var(--shadow)}
    .news-card:hover h3,.news-row:hover h3{color:var(--peach)}
    .news-card h3{font-size:28px;line-height:1.25;font-weight:950;letter-spacing:-.04em;margin:14px 0 12px;transition:.22s ease}
    .news-card p,.news-row p{color:var(--muted);margin:0}
    .news-meta{display:flex;gap:10px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:13px;font-weight:800}
    .news-list{display:grid;gap:12px}
    .news-row{
      display:grid;
      grid-template-columns:112px 1fr auto;
      align-items:center;
      gap:18px;
      padding:18px;
      border-radius:24px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(80,35,30,.10);
      transition:.22s ease;
    }
    .news-row:hover{transform:translateY(-2px);border-color:rgba(242,127,114,.36);background:#fff}
    .news-date{
      color:var(--peach);
      font-weight:950;
      font-size:13px;
      background:rgba(242,127,114,.10);
      padding:10px 12px;
      border-radius:16px;
      text-align:center;
    }
    .news-row h3{font-size:18px;font-weight:950;margin:0 0 6px;letter-spacing:-.025em;transition:.22s ease}
    .arrow{font-weight:950;color:var(--peach);transition:transform .22s ease}
    .news-card:hover .arrow,.news-row:hover .arrow{transform:translateX(4px)}
    .empty-state{
      grid-column:1/-1;
      text-align:center;
      padding:46px 24px;
      border-radius:28px;
      border:1px dashed rgba(242,127,114,.32);
      background:rgba(255,255,255,.62);
      color:var(--muted);
    }
    .empty-icon{
      width:64px;height:64px;margin:0 auto 16px;border-radius:22px;
      display:grid;place-items:center;
      background:rgba(242,127,114,.10);
      color:var(--peach);
      font-size:28px;
    }
    .topic-wrap{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:20px;
      align-items:center;
      padding:34px;
      border-radius:34px;
      background:linear-gradient(135deg,rgba(255,255,255,.78),rgba(255,244,238,.72));
      border:1px solid rgba(80,35,30,.10);
      box-shadow:0 12px 42px rgba(80,35,30,.06);
    }
    .rank-list{display:grid;gap:12px}
    .rank-item{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:16px 18px;
      border-radius:20px;
      background:#fff;
      border:1px solid rgba(80,35,30,.08);
    }
    .rank-left{display:flex;align-items:center;gap:13px}
    .rank-no{
      width:34px;height:34px;border-radius:12px;
      display:grid;place-items:center;
      background:rgba(242,127,114,.12);
      color:var(--peach);
      font-weight:950;
    }
    .count-badge{font-size:12px;font-weight:900;color:var(--muted);background:rgba(80,35,30,.06);padding:6px 10px;border-radius:999px}
    .faq-list{display:grid;gap:12px;max-width:900px}
    .faq-item{
      border-radius:24px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(80,35,30,.10);
      overflow:hidden;
      transition:.22s ease;
    }
    .faq-item.active{background:rgba(255,244,238,.86);border-color:rgba(242,127,114,.30)}
    .faq-q{
      width:100%;
      min-height:64px;
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:18px 22px;
      background:transparent;
      color:var(--cocoa);
      text-align:left;
      font-weight:950;
    }
    .faq-icon{
      width:30px;height:30px;flex:0 0 30px;border-radius:999px;
      display:grid;place-items:center;
      background:rgba(242,127,114,.10);
      color:var(--peach);
      transition:transform .22s ease;
    }
    .faq-item.active .faq-icon{transform:rotate(45deg)}
    .faq-a{max-height:0;opacity:0;overflow:hidden;transition:max-height .28s ease,opacity .22s ease}
    .faq-a p{margin:0;padding:0 22px 22px;color:var(--muted)}
    .faq-item.active .faq-a{max-height:220px;opacity:1}
    .cta-card{
      display:grid;
      grid-template-columns:1fr .9fr;
      gap:26px;
      align-items:center;
      padding:42px;
      border-radius:40px;
      background:
        radial-gradient(circle at 12% 8%,rgba(255,255,255,.38),transparent 26%),
        linear-gradient(135deg,#FAD1C4,var(--peach-soft));
      box-shadow:var(--shadow-strong);
      border:1px solid rgba(80,35,30,.10);
      overflow:hidden;
    }
    .cta-card h2{font-size:clamp(30px,4vw,48px);line-height:1.15;letter-spacing:-.05em;font-weight:950;margin:0 0 14px}
    .cta-card p{color:rgba(42,32,32,.72);font-size:17px;margin:0}
    .contact-form{
      display:grid;gap:12px;
      padding:18px;
      border-radius:28px;
      background:rgba(255,255,255,.66);
      border:1px solid rgba(255,255,255,.42);
      backdrop-filter:blur(12px);
    }
    .field{display:grid;gap:6px}
    .field label{font-size:13px;font-weight:850;color:rgba(42,32,32,.76)}
    .field input,.field textarea{
      width:100%;
      border:1px solid rgba(80,35,30,.14);
      background:rgba(255,255,255,.86);
      border-radius:16px;
      padding:13px 14px;
      color:var(--cocoa);
      transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
    }
    .field textarea{min-height:108px;resize:vertical}
    .field input:focus,.field textarea:focus{border-color:rgba(242,127,114,.70);box-shadow:0 0 0 4px rgba(242,127,114,.12);background:#fff}
    .site-footer{
      margin-top:70px;
      padding:58px 0 28px;
      background:
        radial-gradient(circle at 80% 0%,rgba(242,127,114,.16),transparent 28%),
        linear-gradient(135deg,var(--cocoa),#251B1B);
      color:rgba(255,244,238,.78);
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .7fr .8fr;gap:28px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
    .footer-title{font-weight:950;color:#fff;line-height:1.25}
    .footer-text{color:rgba(255,244,238,.62);max-width:560px;margin:0}
    .footer-col h3{color:#fff;font-size:15px;font-weight:950;margin:0 0 12px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:rgba(255,244,238,.62)}
    .footer-links a:hover{color:var(--peach-soft)}
    .footer-bottom{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding-top:22px;
      color:rgba(255,244,238,.52);
      font-size:13px;
      flex-wrap:wrap;
    }
    @media (max-width:1024px){
      .brand-title{max-width:280px}
      .search-pill{display:none}
      .hero-grid,.service-layout,.news-layout,.topic-wrap,.cta-card{grid-template-columns:1fr}
      .stats-grid{grid-template-columns:1fr 1fr}
      .stat-card:first-child{grid-row:auto;grid-column:span 2}
      .scene-grid{grid-template-columns:1fr 1fr}
      .scene-card:nth-child(1){grid-column:span 2}
      .solution{grid-template-columns:1fr 1fr}
      .solution-step:nth-child(2){border-right:0}
      .solution-step{border-bottom:1px solid rgba(80,35,30,.10)}
      .solution-step:nth-child(3),.solution-step:nth-child(4){border-bottom:0}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media (max-width:768px){
      .site-container,.nav-shell,.mobile-panel{width:min(100% - 28px,var(--container))}
      .glass-header{inset:10px 0 auto}
      .nav-links,.nav-actions .btn{display:none}
      .menu-btn{display:flex}
      .brand-title{max-width:190px;font-size:14px}
      .brand-sub{display:none}
      .hero{min-height:auto;padding:124px 0 58px}
      .hero-grid{gap:30px}
      .hero-actions{flex-direction:column}
      .hero-actions .btn{width:100%}
      .visual-panel{border-radius:28px}
      .dash-item{grid-template-columns:42px 1fr}
      .dash-item .status{grid-column:2}
      .section{padding:66px 0}
      .flow-strip,.stats-grid,.scene-grid,.solution{grid-template-columns:1fr}
      .stat-card:first-child,.scene-card:nth-child(1){grid-column:auto}
      .dark-band{border-radius:30px;padding:34px 22px}
      .solution-step,.solution-step:nth-child(2),.solution-step:nth-child(3){border-right:0;border-bottom:1px solid rgba(80,35,30,.10)}
      .solution-step:last-child{border-bottom:0}
      .news-row{grid-template-columns:1fr;gap:10px}
      .news-date{text-align:left;width:max-content}
      .arrow{display:none}
      .cta-card{padding:26px;border-radius:30px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:520px){
      .nav-shell{padding:10px 10px 10px 12px}
      .brand-mark{width:38px;height:38px;flex-basis:38px;border-radius:14px}
      .brand-title{max-width:160px}
      .hero h1{font-size:36px}
      .hero-copy,.section-desc{font-size:16px}
      .meta-chip{width:100%}
      .panel-top{flex-direction:column;align-items:flex-start}
      .age-ring{width:64px;height:64px}
      .service-big,.service-card,.topic-wrap{padding:24px}
      .section-title{font-size:30px}
      .news-card h3{font-size:23px}
    }
    @media (prefers-reduced-motion:reduce){
      *,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
    }

/* roulang page: article */
:root{
      --peach:#EFA39A;
      --peach-strong:#F27F72;
      --peach-soft:#FFF4EE;
      --cream:#FAECE5;
      --cocoa:#1D1717;
      --cocoa-2:#2A2020;
      --rose-gray:#8B7470;
      --apricot-gray:#E8D8D2;
      --white:#FFFFFF;
      --border:rgba(80,35,30,.12);
      --border-strong:rgba(242,127,114,.36);
      --shadow:0 20px 60px rgba(80,35,30,.10);
      --shadow-hover:0 26px 76px rgba(80,35,30,.16);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --container:1180px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Helvetica Neue,Arial,sans-serif;
      color:var(--cocoa);
      background:
        radial-gradient(circle at 8% 4%, rgba(239,163,154,.30), transparent 32%),
        radial-gradient(circle at 86% 12%, rgba(242,127,114,.18), transparent 30%),
        linear-gradient(180deg,var(--peach-soft) 0%,#fff 42%,var(--cream) 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease)}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(242,127,114,.28);color:var(--cocoa)}
    :focus-visible{outline:3px solid rgba(242,127,114,.42);outline-offset:4px;border-radius:12px}

    .site-container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border:1px solid var(--border);
      border-radius:999px;background:rgba(255,255,255,.58);
      color:var(--rose-gray);font-size:13px;font-weight:700;letter-spacing:.08em;
    }
    .eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--peach),var(--peach-strong));box-shadow:0 0 0 5px rgba(239,163,154,.16)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:12px 20px;border-radius:999px;
      font-weight:800;font-size:14px;border:1px solid transparent;
      transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;background:linear-gradient(135deg,var(--peach-strong),#F3A46F);
      box-shadow:0 14px 34px rgba(242,127,114,.26);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 42px rgba(242,127,114,.34)}
    .btn-secondary{color:var(--cocoa);background:rgba(255,255,255,.52);border-color:var(--border)}
    .btn-secondary:hover{background:rgba(255,244,238,.92);border-color:var(--border-strong);transform:translateY(-2px)}

    .glass-header{
      position:fixed;top:14px;left:0;right:0;z-index:50;
      transition:top .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease);
      pointer-events:none;
    }
    .nav-shell{
      width:min(var(--container),calc(100% - 40px));margin:0 auto;
      min-height:74px;padding:12px 14px 12px 18px;
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      border:1px solid rgba(80,35,30,.10);
      border-radius:999px;
      background:rgba(255,244,238,.64);
      backdrop-filter:blur(18px) saturate(140%);
      box-shadow:0 14px 44px rgba(80,35,30,.08);
      pointer-events:auto;
    }
    .glass-header.is-scrolled{top:0}
    .glass-header.is-scrolled .nav-shell{
      border-radius:0 0 24px 24px;
      background:rgba(255,250,247,.94);
      box-shadow:0 18px 46px rgba(80,35,30,.13);
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand-mark{
      width:42px;height:42px;border-radius:16px;flex:none;
      background:
        radial-gradient(circle at 34% 28%,rgba(255,255,255,.85) 0 12%,transparent 13%),
        linear-gradient(135deg,var(--peach),var(--peach-strong));
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.38),0 14px 28px rgba(242,127,114,.24);
      position:relative;
    }
    .brand-mark::after{
      content:"";position:absolute;right:8px;bottom:8px;width:14px;height:14px;
      border:2px solid rgba(255,255,255,.75);border-radius:50% 50% 50% 12%;
      transform:rotate(-24deg);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.12;min-width:0}
    .brand-title{font-weight:900;font-size:15px;letter-spacing:-.02em;max-width:300px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .brand-sub{font-size:12px;color:var(--rose-gray);margin-top:4px}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-link{
      padding:10px 14px;border-radius:999px;color:var(--cocoa-2);
      font-size:14px;font-weight:800;
    }
    .nav-link:hover,.nav-link.active{background:rgba(239,163,154,.18);color:var(--peach-strong)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .search-pill{
      min-height:42px;display:flex;align-items:center;gap:8px;
      padding:9px 14px;border-radius:999px;border:1px solid var(--border);
      background:rgba(255,255,255,.45);color:var(--rose-gray);
      font-size:13px;font-weight:700;
    }
    .menu-btn{display:none;width:46px;height:46px;border-radius:50%;border:1px solid var(--border);background:rgba(255,255,255,.62);position:relative}
    .menu-btn span,.menu-btn span::before,.menu-btn span::after{
      content:"";position:absolute;left:13px;right:13px;height:2px;background:var(--cocoa);border-radius:9px;transition:transform .22s var(--ease),top .22s var(--ease),opacity .22s var(--ease);
    }
    .menu-btn span{top:22px}.menu-btn span::before{left:0;right:0;top:-7px}.menu-btn span::after{left:0;right:0;top:7px}
    .menu-btn[aria-expanded="true"] span{background:transparent}
    .menu-btn[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
    .menu-btn[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
    .mobile-panel{
      width:min(var(--container),calc(100% - 40px));margin:10px auto 0;
      display:none;flex-direction:column;gap:8px;padding:14px;
      border:1px solid var(--border);border-radius:24px;
      background:rgba(255,244,238,.94);backdrop-filter:blur(18px);
      box-shadow:var(--shadow);pointer-events:auto;
    }
    .mobile-panel a{display:flex;justify-content:space-between;align-items:center;padding:15px 16px;border-radius:16px;background:rgba(255,255,255,.55);font-weight:800}
    .mobile-panel a:hover{background:rgba(239,163,154,.18);color:var(--peach-strong)}

    .article-hero{
      position:relative;padding:154px 0 72px;overflow:hidden;
    }
    .article-hero::before{
      content:"";position:absolute;inset:-140px -10% auto auto;width:520px;height:520px;border-radius:50%;
      background:radial-gradient(circle,rgba(242,127,114,.24),transparent 68%);
      animation:floatGlow 12s ease-in-out infinite alternate;
      pointer-events:none;
    }
    .breadcrumb{
      display:flex;align-items:center;gap:8px;flex-wrap:wrap;
      color:var(--rose-gray);font-size:14px;font-weight:700;margin:24px 0 20px;
    }
    .breadcrumb a:hover{color:var(--peach-strong)}
    .article-title{
      max-width:920px;font-size:clamp(32px,5vw,56px);line-height:1.12;
      font-weight:950;letter-spacing:-.05em;color:var(--cocoa);
      margin:18px 0 18px;
    }
    .article-desc{max-width:780px;font-size:18px;color:var(--rose-gray);line-height:1.9;margin:0}
    .meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
    .meta-pill{
      display:inline-flex;align-items:center;gap:8px;padding:9px 13px;border-radius:999px;
      border:1px solid var(--border);background:rgba(255,255,255,.62);
      color:var(--rose-gray);font-size:13px;font-weight:800;
    }
    .meta-pill strong{color:var(--cocoa)}

    .reading-layout{
      display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start;
    }
    .article-card{
      background:rgba(255,255,255,.74);border:1px solid var(--border);
      border-radius:var(--radius-xl);box-shadow:var(--shadow);
      padding:38px;
    }
    .article-prose{
      max-width:780px;margin:0 auto;color:var(--cocoa-2);
      font-size:17px;line-height:1.9;
    }
    .article-prose h2{
      font-size:30px;line-height:1.28;letter-spacing:-.03em;
      margin:44px 0 16px;color:var(--cocoa);font-weight:950;
    }
    .article-prose h3{
      font-size:23px;line-height:1.35;margin:34px 0 12px;color:var(--cocoa);font-weight:900;
    }
    .article-prose p{margin:0 0 20px}
    .article-prose a{color:var(--peach-strong);border-bottom:1px solid rgba(242,127,114,.35);font-weight:800}
    .article-prose a:hover{border-bottom-color:var(--peach-strong);background:rgba(239,163,154,.12)}
    .article-prose ul,.article-prose ol{margin:18px 0 24px;padding-left:1.45em}
    .article-prose li{margin:8px 0}
    .article-prose blockquote{
      margin:28px 0;padding:20px 22px;border-left:5px solid var(--peach-strong);
      background:linear-gradient(135deg,rgba(255,244,238,.92),rgba(250,236,229,.72));
      border-radius:0 18px 18px 0;color:var(--cocoa);font-weight:700;
    }
    .article-prose img{border-radius:20px;box-shadow:0 16px 44px rgba(80,35,30,.12);margin:28px auto}
    .article-prose figure{margin:30px 0}
    .article-prose figcaption{text-align:center;color:var(--rose-gray);font-size:14px;margin-top:10px}
    .article-prose table{width:100%;border-collapse:separate;border-spacing:0;margin:26px 0;overflow:hidden;border:1px solid var(--border);border-radius:18px}
    .article-prose th,.article-prose td{padding:14px 16px;border-bottom:1px solid var(--border);text-align:left}
    .article-prose th{background:var(--peach-soft);font-weight:900}
    .article-prose tr:last-child td{border-bottom:0}
    .not-found{
      text-align:center;padding:70px 24px;border-radius:24px;
      background:linear-gradient(135deg,rgba(255,244,238,.92),rgba(255,255,255,.84));
      border:1px dashed rgba(242,127,114,.38);
    }
    .not-found h2{font-size:30px;font-weight:950;margin:0 0 12px}
    .not-found p{color:var(--rose-gray);margin:0 0 24px}

    .side-stack{position:sticky;top:104px;display:grid;gap:18px}
    .side-card{
      border:1px solid var(--border);border-radius:24px;background:rgba(255,244,238,.72);
      box-shadow:0 16px 46px rgba(80,35,30,.08);padding:22px;
    }
    .side-card.dark{background:var(--cocoa);color:#fff;border-color:rgba(255,255,255,.14)}
    .side-card h3{font-size:18px;font-weight:950;margin:0 0 12px}
    .side-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
    .side-list li{display:flex;justify-content:space-between;gap:14px;padding-bottom:12px;border-bottom:1px solid rgba(80,35,30,.10);font-size:14px;color:var(--rose-gray)}
    .side-list li:last-child{border-bottom:0;padding-bottom:0}
    .side-list strong{color:var(--cocoa);font-weight:900;text-align:right}
    .dark .side-list li{border-color:rgba(255,255,255,.12);color:rgba(255,244,238,.68)}
    .dark .side-list strong{color:#fff}
    .notice-line{
      display:flex;gap:10px;align-items:flex-start;padding:14px;border-radius:16px;
      background:rgba(239,163,154,.16);color:rgba(255,244,238,.82);font-size:14px;line-height:1.75;
    }
    .notice-line b{color:#fff}

    .recommend-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .recommend-card{
      min-height:210px;padding:26px;border-radius:26px;border:1px solid var(--border);
      background:rgba(255,255,255,.72);box-shadow:0 16px 48px rgba(80,35,30,.08);
      display:flex;flex-direction:column;justify-content:space-between;
      transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
    }
    .recommend-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--border-strong)}
    .recommend-card h3{font-size:24px;font-weight:950;letter-spacing:-.03em;margin:12px 0;color:var(--cocoa)}
    .recommend-card p{color:var(--rose-gray);margin:0}
    .tag-row{display:flex;gap:8px;flex-wrap:wrap}
    .tag{
      display:inline-flex;align-items:center;padding:7px 10px;border-radius:999px;
      background:rgba(239,163,154,.16);color:var(--peach-strong);
      font-size:12px;font-weight:900;
    }
    .link-arrow{font-weight:950;color:var(--peach-strong);margin-top:18px;display:inline-flex;gap:8px;align-items:center}
    .recommend-card:hover .link-arrow span{transform:translateX(5px)}
    .link-arrow span{transition:transform .22s var(--ease)}

    .faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:36px;align-items:start}
    .faq-list{display:grid;gap:14px}
    .faq-item{
      border:1px solid var(--border);border-radius:22px;background:rgba(255,255,255,.70);
      overflow:hidden;box-shadow:0 12px 36px rgba(80,35,30,.06);
    }
    .faq-question{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
      padding:20px 22px;background:transparent;border:0;text-align:left;color:var(--cocoa);font-weight:950;
    }
    .faq-question span:last-child{width:28px;height:28px;border-radius:50%;background:rgba(239,163,154,.18);display:grid;place-items:center;color:var(--peach-strong);transition:transform .22s var(--ease)}
    .faq-answer{max-height:0;overflow:hidden;transition:max-height .28s var(--ease),opacity .28s var(--ease);opacity:0}
    .faq-answer p{margin:0;padding:0 22px 22px;color:var(--rose-gray);line-height:1.85}
    .faq-item.open{background:linear-gradient(135deg,rgba(255,244,238,.94),rgba(255,255,255,.76));border-color:var(--border-strong)}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .faq-item.open .faq-answer{max-height:220px;opacity:1}

    .cta-card{
      position:relative;overflow:hidden;border-radius:32px;padding:42px;
      background:
        radial-gradient(circle at 16% 20%,rgba(255,255,255,.58),transparent 28%),
        linear-gradient(135deg,#F5B0A8 0%,#F27F72 52%,#F4A46F 100%);
      box-shadow:0 28px 90px rgba(242,127,114,.30);
      color:#2A1715;
    }
    .cta-card::after{
      content:"";position:absolute;right:-90px;bottom:-120px;width:320px;height:320px;border-radius:50%;
      border:1px solid rgba(255,255,255,.48);background:rgba(255,255,255,.10);
    }
    .cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}
    .cta-card h2{font-size:clamp(28px,4vw,42px);line-height:1.18;font-weight:950;letter-spacing:-.04em;margin:0 0 12px}
    .cta-card p{margin:0;color:rgba(42,23,21,.76);max-width:720px;font-weight:700}

    .site-footer{background:var(--cocoa);color:#fff;padding:68px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.35fr .75fr .9fr;gap:44px}
    .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
    .footer-title{font-weight:950;font-size:17px}
    .footer-text{color:rgba(255,244,238,.64);line-height:1.85;margin:0}
    .footer-col h3{font-size:15px;font-weight:950;margin:0 0 16px;color:#fff}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:rgba(255,244,238,.66);font-weight:700}
    .footer-links a:hover{color:var(--peach)}
    .footer-bottom{
      margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
      display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
      color:rgba(255,244,238,.52);font-size:13px;
    }

    @keyframes floatGlow{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(-32px,28px,0) scale(1.08)}}

    @media (prefers-reduced-motion:reduce){
      *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
    }
    @media (max-width:1024px){
      .search-pill{display:none}
      .reading-layout{grid-template-columns:1fr}
      .side-stack{position:static;grid-template-columns:1fr 1fr}
      .recommend-grid,.faq-wrap{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-container,.nav-shell,.mobile-panel{width:min(100% - 28px,var(--container))}
      .section{padding:64px 0}
      .nav-links,.nav-actions .btn{display:none}
      .menu-btn{display:block}
      .mobile-panel.open{display:flex}
      .nav-shell{min-height:66px;padding:10px 12px;border-radius:24px}
      .glass-header.is-scrolled .nav-shell{border-radius:0 0 22px 22px}
      .brand-title{max-width:210px;font-size:14px}
      .article-hero{padding-top:126px}
      .article-card{padding:24px;border-radius:24px}
      .article-prose{font-size:16px;line-height:1.88}
      .article-prose h2{font-size:25px}
      .article-prose h3{font-size:21px}
      .side-stack{grid-template-columns:1fr}
      .cta-inner{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .brand-title{max-width:176px}
      .brand-sub{font-size:11px}
      .article-title{letter-spacing:-.035em}
      .meta-row{gap:8px}
      .meta-pill{width:100%;justify-content:space-between}
      .article-card{padding:18px}
      .cta-card{padding:28px 22px;border-radius:26px}
      .footer-bottom{display:grid}
    }