/* roulang page: index */
:root{
      --primary:#0E6F63;
      --primary-dark:#064B43;
      --primary-soft:#E3F3EF;
      --accent:#8EDDD2;
      --accent-soft:#EFF8F6;
      --warm:#C8A96A;
      --base:#F7F6F1;
      --surface:#FFFFFF;
      --surface-warm:#FBFAF6;
      --ink:#1E2422;
      --muted:#68736F;
      --muted-2:#8A928E;
      --border:#E5E1D6;
      --border-strong:#CFC8BA;
      --shadow-sm:0 10px 30px rgba(30,36,34,.06);
      --shadow-md:0 18px 50px rgba(30,36,34,.10);
      --shadow-lg:0 26px 70px rgba(30,36,34,.14);
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:28px;
      --radius-xl:36px;
      --container:1220px;
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",Arial,sans-serif;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth;text-size-adjust:100%}
    body{
      font-family:var(--font);
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 4%,rgba(142,221,210,.28),transparent 28%),
        radial-gradient(circle at 88% 12%,rgba(200,169,106,.16),transparent 24%),
        var(--base);
      line-height:1.75;
      min-width:320px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0;background:none;cursor:pointer}
    :focus-visible{outline:3px solid rgba(14,111,99,.22);outline-offset:3px;border-radius:10px}
    ::selection{background:rgba(142,221,210,.55);color:var(--ink)}
    .container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
    .section{padding:96px 0}
    .section-tight{padding:72px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--primary);font-weight:700;font-size:13px;letter-spacing:.04em;
      padding:7px 12px;border:1px solid rgba(14,111,99,.16);
      background:rgba(255,255,255,.72);border-radius:999px;
    }
    .eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--warm);box-shadow:0 0 0 5px rgba(200,169,106,.14)}
    h1,h2,h3{letter-spacing:-.03em;line-height:1.18;color:var(--ink)}
    h1{font-size:clamp(36px,5vw,62px);font-weight:800}
    h2{font-size:clamp(28px,3.4vw,42px);font-weight:800}
    h3{font-size:clamp(20px,2vw,26px);font-weight:750}
    p{color:var(--muted)}
    .lead{font-size:18px;line-height:1.85}
    .muted{color:var(--muted)}
    .text-primary{color:var(--primary)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:48px;padding:13px 22px;border-radius:999px;
      font-weight:750;font-size:15px;line-height:1;
      transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
      white-space:nowrap;
    }
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 28px rgba(14,111,99,.22)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 18px 36px rgba(6,75,67,.25)}
    .btn-secondary{background:rgba(255,255,255,.78);border:1px solid var(--border-strong);color:var(--ink)}
    .btn-secondary:hover{background:var(--accent-soft);border-color:rgba(14,111,99,.5);color:var(--primary);transform:translateY(-2px)}
    .text-link{
      display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:750;
      transition:color .2s var(--ease),gap .2s var(--ease)
    }
    .text-link:hover{gap:13px;color:var(--primary-dark)}
    .badge,.chip{
      display:inline-flex;align-items:center;gap:7px;border-radius:999px;
      padding:6px 11px;font-size:12px;font-weight:700;color:var(--primary);
      background:var(--primary-soft);border:1px solid rgba(14,111,99,.1)
    }
    .badge.warm{color:#7A6230;background:rgba(200,169,106,.16);border-color:rgba(200,169,106,.25)}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(247,246,241,.94);
      border-bottom:1px solid rgba(229,225,214,.85);
      backdrop-filter:saturate(150%) blur(10px);
      transition:box-shadow .25s var(--ease),background .25s var(--ease);
    }
    .site-header.is-scrolled{box-shadow:0 12px 36px rgba(30,36,34,.08);background:rgba(247,246,241,.98)}
    .topbar{border-bottom:1px solid rgba(229,225,214,.72)}
    .topbar-inner{
      min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:18px;
      font-size:13px;color:var(--muted);
    }
    .brand{
      display:inline-flex;align-items:center;gap:10px;font-weight:850;color:var(--ink);
      letter-spacing:-.02em;white-space:nowrap;
    }
    .brand-mark{
      width:34px;height:34px;border-radius:12px;display:grid;place-items:center;position:relative;
      background:linear-gradient(135deg,var(--primary),#3FB8A9);box-shadow:0 10px 22px rgba(14,111,99,.18);
    }
    .brand-mark svg{width:23px;height:23px}
    .brand strong{color:var(--primary)}
    .top-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    .top-actions span{display:inline-flex;align-items:center;gap:6px}
    .dot{width:6px;height:6px;border-radius:50%;background:var(--primary)}
    .nav-row{min-height:64px;display:flex;align-items:center;gap:22px;justify-content:space-between}
    .main-nav{display:flex;align-items:center;gap:4px}
    .main-nav a{
      position:relative;display:inline-flex;align-items:center;min-height:64px;padding:0 15px;
      color:#38423E;font-size:15px;font-weight:700;
      transition:color .2s var(--ease),background .2s var(--ease)
    }
    .main-nav a::after{
      content:"";position:absolute;left:15px;right:15px;bottom:0;height:2px;border-radius:2px;
      background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)
    }
    .main-nav a:hover,.main-nav a.active{color:var(--primary)}
    .main-nav a.active::after,.main-nav a:hover::after{transform:scaleX(1)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .search-pill{
      width:246px;height:42px;border:1px solid var(--border);border-radius:999px;
      display:flex;align-items:center;gap:8px;padding:0 14px;background:rgba(255,255,255,.72);
      transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease)
    }
    .search-pill:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(14,111,99,.10);background:#fff}
    .search-pill svg{width:17px;height:17px;color:var(--muted)}
    .search-pill input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--ink)}
    .menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:14px;background:#fff;align-items:center;justify-content:center}
    .menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{
      display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:.2s var(--ease)
    }
    .menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0}
    .menu-toggle span::before{top:-6px}.menu-toggle span::after{top:6px}
    .menu-toggle.is-open span{background:transparent}
    .menu-toggle.is-open span::before{top:0;transform:rotate(45deg)}
    .menu-toggle.is-open span::after{top:0;transform:rotate(-45deg)}
    .trendbar{border-top:1px solid rgba(229,225,214,.65)}
    .trendbar-inner{
      min-height:42px;display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;
      color:var(--muted);font-size:13px;
    }
    .trendbar-inner::-webkit-scrollbar{display:none}
    .trend-label{font-weight:800;color:var(--ink);white-space:nowrap}
    .trend-item{
      white-space:nowrap;padding:5px 10px;border-radius:999px;background:rgba(255,255,255,.72);
      border:1px solid rgba(229,225,214,.86);transition:.2s var(--ease)
    }
    .trend-item:hover{color:var(--primary);border-color:rgba(14,111,99,.26);background:var(--accent-soft)}
    .hero{
      position:relative;padding:76px 0 40px;overflow:hidden;
      background:
        linear-gradient(120deg,rgba(247,246,241,.65),rgba(239,248,246,.72)),
        radial-gradient(circle at 72% 18%,rgba(142,221,210,.22),transparent 26%);
    }
    .hero::before{
      content:"";position:absolute;inset:0;opacity:.32;pointer-events:none;
      background-image:linear-gradient(rgba(14,111,99,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(14,111,99,.08) 1px,transparent 1px);
      background-size:44px 44px;mask-image:linear-gradient(to bottom,#000,transparent 80%);
    }
    .hero-grid{position:relative;display:grid;grid-template-columns:1.02fr 1.18fr;gap:54px;align-items:center}
    .hero-copy h1{margin-top:18px;margin-bottom:22px;max-width:650px}
    .hero-copy .lead{max-width:610px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0 28px}
    .trust-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:650px}
    .trust-item{
      padding:15px 16px;border:1px solid var(--border);border-radius:18px;background:rgba(255,255,255,.68);
      box-shadow:var(--shadow-sm)
    }
    .trust-item strong{display:block;font-size:18px;color:var(--primary);line-height:1.2}
    .trust-item span{display:block;font-size:13px;color:var(--muted);margin-top:5px}
    .hero-visual{position:relative;min-height:560px}
    .visual-shell{
      position:absolute;inset:0;border-radius:34px;overflow:hidden;border:1px solid rgba(255,255,255,.7);
      box-shadow:var(--shadow-lg);background:#dfece8;
    }
    .visual-shell img{width:100%;height:100%;object-fit:cover;filter:saturate(.9) contrast(.98)}
    .visual-shell::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,111,99,.12),rgba(247,246,241,.22))}
    .interface-card{
      position:absolute;left:34px;right:34px;bottom:34px;z-index:2;
      border-radius:26px;background:rgba(255,255,255,.92);border:1px solid rgba(229,225,214,.9);
      box-shadow:0 22px 60px rgba(30,36,34,.16);padding:24px;
    }
    .interface-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
    .status{display:flex;align-items:center;gap:8px;color:var(--primary);font-weight:800;font-size:13px}
    .status i{width:9px;height:9px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 6px rgba(14,111,99,.12)}
    .mini-list{display:grid;gap:11px}
    .mini-row{
      display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;
      padding:12px;border-radius:16px;background:var(--surface-warm);border:1px solid rgba(229,225,214,.8)
    }
    .mini-icon{width:34px;height:34px;border-radius:12px;background:var(--primary-soft);display:grid;place-items:center;color:var(--primary);font-weight:900}
    .mini-row b{display:block;font-size:14px}
    .mini-row small{color:var(--muted);font-size:12px}
    .progress{width:78px;height:7px;border-radius:999px;background:#E8E4D9;overflow:hidden}
    .progress span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent))}
    .float-card{
      position:absolute;z-index:3;right:-8px;top:46px;width:210px;
      padding:18px;border-radius:22px;background:rgba(251,250,246,.94);border:1px solid rgba(229,225,214,.95);
      box-shadow:var(--shadow-md);animation:floaty 5s ease-in-out infinite;
    }
    .float-card b{font-size:26px;color:var(--primary);line-height:1}
    .float-card span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
    @keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px
    }
    .section-head .copy{max-width:720px}
    .section-head h2{margin-top:12px}
    .section-head p{margin-top:14px}
    .value-strip{
      display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--border);
      border-radius:30px;overflow:hidden;background:rgba(255,255,255,.72);box-shadow:var(--shadow-sm)
    }
    .value-item{padding:28px;min-height:210px;border-right:1px solid var(--border);transition:.25s var(--ease)}
    .value-item:last-child{border-right:0}
    .value-item:hover{background:#fff;transform:translateY(-4px)}
    .line-icon{width:42px;height:42px;border-radius:16px;border:1px solid rgba(14,111,99,.18);background:var(--accent-soft);display:grid;place-items:center;color:var(--primary);margin-bottom:18px}
    .value-item h3{font-size:21px;margin-bottom:10px}
    .value-item p{font-size:15px}
    .category-entry{
      display:grid;grid-template-columns:1fr 1.2fr;gap:26px;align-items:stretch;margin-top:30px
    }
    .entry-card{
      position:relative;overflow:hidden;border-radius:30px;border:1px solid var(--border);background:var(--surface);
      box-shadow:var(--shadow-sm);min-height:320px;transition:.25s var(--ease)
    }
    .entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(14,111,99,.28)}
    .entry-card img{height:100%;width:100%;object-fit:cover;min-height:320px;transition:transform .45s var(--ease)}
    .entry-card:hover img{transform:scale(1.035)}
    .entry-overlay{
      position:absolute;inset:auto 22px 22px 22px;background:rgba(255,255,255,.92);border:1px solid rgba(229,225,214,.9);
      border-radius:24px;padding:22px;box-shadow:var(--shadow-sm)
    }
    .entry-overlay h3{margin:10px 0 8px}
    .entry-panel{
      padding:34px;border-radius:30px;background:linear-gradient(135deg,#fff,var(--accent-soft));
      border:1px solid var(--border);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;justify-content:space-between;gap:24px
    }
    .entry-panel ul{display:grid;gap:14px;list-style:none}
    .entry-panel li{display:flex;gap:12px;align-items:flex-start;color:var(--muted)}
    .entry-panel li::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--primary);margin-top:10px;flex:0 0 auto}
    .capability-wrap{display:grid;grid-template-columns:300px 1fr;gap:28px;align-items:start}
    .sticky-menu{
      position:sticky;top:168px;border:1px solid var(--border);border-radius:26px;background:rgba(255,255,255,.74);
      padding:22px;box-shadow:var(--shadow-sm)
    }
    .sticky-menu h3{font-size:20px;margin-bottom:14px}
    .sticky-menu a{
      display:flex;align-items:center;justify-content:space-between;gap:8px;
      padding:12px 0;border-bottom:1px solid rgba(229,225,214,.75);color:var(--muted);font-weight:700
    }
    .sticky-menu a:last-child{border-bottom:0}
    .sticky-menu a:hover{color:var(--primary)}
    .capability-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
    .feature-card{
      position:relative;overflow:hidden;padding:28px;border-radius:26px;border:1px solid var(--border);
      background:var(--surface);box-shadow:var(--shadow-sm);transition:.25s var(--ease)
    }
    .feature-card:hover{transform:translateY(-4px);border-color:rgba(14,111,99,.34);box-shadow:var(--shadow-md)}
    .feature-card::before{content:attr(data-index);position:absolute;right:24px;top:18px;font-size:54px;font-weight:900;color:rgba(14,111,99,.07);line-height:1}
    .feature-card h3{margin:16px 0 10px}
    .feature-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
    .scenario-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
    .scenario-main,.scenario-side-card{
      border-radius:30px;border:1px solid var(--border);background:#fff;box-shadow:var(--shadow-sm);overflow:hidden
    }
    .scenario-main img{height:300px;width:100%;object-fit:cover}
    .scenario-content{padding:30px}
    .scenario-steps{display:grid;gap:14px;margin-top:22px}
    .step{display:grid;grid-template-columns:40px 1fr;gap:14px;align-items:start}
    .step-num{width:40px;height:40px;border-radius:14px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-weight:900}
    .scenario-side{display:grid;gap:18px}
    .scenario-side-card{padding:26px}
    .scenario-side-card:hover,.case-card:hover,.plan-card:hover{transform:translateY(-4px);border-color:rgba(14,111,99,.3);box-shadow:var(--shadow-md)}
    .scenario-side-card,.case-card,.plan-card{transition:.25s var(--ease)}
    .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .case-card{padding:26px;border-radius:26px;border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow-sm)}
    .case-card h3{font-size:21px;margin:16px 0 10px}
    .case-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
    .quote{margin-top:18px;padding:16px;border-left:3px solid var(--primary);background:var(--accent-soft);border-radius:0 16px 16px 0;color:#40504B;font-size:14px}
    .plans{
      display:grid;grid-template-columns:1fr;gap:16px
    }
    .plan-card{
      display:grid;grid-template-columns:210px 1fr auto;gap:24px;align-items:center;
      padding:24px;border:1px solid var(--border);border-radius:26px;background:rgba(255,255,255,.82);box-shadow:var(--shadow-sm)
    }
    .plan-card.featured{background:linear-gradient(135deg,#fff,var(--accent-soft));border-color:rgba(14,111,99,.28)}
    .plan-title b{display:block;color:var(--primary);font-size:14px;margin-bottom:6px}
    .plan-list{display:flex;flex-wrap:wrap;gap:10px;list-style:none}
    .plan-list li{padding:7px 11px;border-radius:999px;background:var(--surface-warm);border:1px solid var(--border);font-size:13px;color:var(--muted);font-weight:650}
    .insight-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
    .insight-card{
      border:1px solid var(--border);border-radius:26px;background:#fff;overflow:hidden;box-shadow:var(--shadow-sm);transition:.25s var(--ease)
    }
    .insight-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(14,111,99,.25)}
    .insight-card img{height:180px;width:100%;object-fit:cover;transition:transform .45s var(--ease)}
    .insight-card:hover img{transform:scale(1.035)}
    .insight-body{padding:22px}
    .insight-body h3{font-size:20px;margin:12px 0 9px}
    .faq-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:34px;align-items:start}
    .faq-note{
      padding:30px;border-radius:30px;background:linear-gradient(145deg,var(--primary-dark),var(--primary));
      color:#fff;box-shadow:var(--shadow-md)
    }
    .faq-note h2{color:#fff;margin-top:12px}
    .faq-note p{color:rgba(255,255,255,.82);margin-top:14px}
    .faq-list{display:grid;gap:12px}
    details.faq-item{
      border:1px solid var(--border);border-radius:20px;background:#fff;box-shadow:var(--shadow-sm);
      overflow:hidden;transition:.25s var(--ease)
    }
    details.faq-item:hover{border-color:rgba(14,111,99,.25)}
    .faq-item summary{
      min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:18px 22px;cursor:pointer;font-weight:800;list-style:none
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
      background:var(--primary-soft);color:var(--primary);font-weight:900;flex:0 0 auto
    }
    .faq-item[open] summary::after{content:"−";background:var(--primary);color:#fff}
    .faq-content{padding:0 22px 20px;color:var(--muted)}
    .cta{
      padding:0 0 96px
    }
    .cta-card{
      position:relative;overflow:hidden;border-radius:34px;padding:46px;
      display:grid;grid-template-columns:1.2fr auto;gap:28px;align-items:center;
      background:
        linear-gradient(135deg,rgba(14,111,99,.94),rgba(6,75,67,.96)),
        url("/assets/images/backpic/back-2.webp") center/cover;
      box-shadow:var(--shadow-lg)
    }
    .cta-card::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 78% 18%,rgba(142,221,210,.24),transparent 32%);pointer-events:none}
    .cta-card>*{position:relative;z-index:1}
    .cta-card h2{color:#fff}
    .cta-card p{color:rgba(255,255,255,.82);margin-top:12px;max-width:720px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .cta-card .btn-secondary{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.38)}
    .cta-card .btn-secondary:hover{background:rgba(255,255,255,.18);color:#fff;border-color:#fff}
    .site-footer{background:#13231F;color:rgba(255,255,255,.76);padding:58px 0 26px}
    .footer-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr .95fr;gap:34px;margin-bottom:38px}
    .footer-brand .brand{color:#fff;margin-bottom:16px}
    .footer-brand p{color:rgba(255,255,255,.68)}
    .footer-col h3{font-size:16px;color:#fff;margin-bottom:14px;letter-spacing:0}
    .footer-links{display:grid;gap:10px;list-style:none}
    .footer-links a{color:rgba(255,255,255,.68);transition:.2s var(--ease)}
    .footer-links a:hover{color:var(--accent)}
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.12);padding-top:22px;
      display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
      color:rgba(255,255,255,.55);font-size:13px
    }
    .footer-statement{padding:14px 16px;border-radius:16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.66);font-size:13px;margin-top:18px}
    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
    }
    @media (max-width:1199px){
      .container{width:min(calc(100% - 34px),1040px)}
      .hero-grid{gap:34px}
      .hero-visual{min-height:500px}
      .search-pill{width:210px}
      .main-nav a{padding:0 10px}
      .capability-wrap{grid-template-columns:260px 1fr}
    }
    @media (max-width:991px){
      .top-actions{display:none}
      .nav-row{min-height:58px}
      .menu-toggle{display:flex}
      .nav-tools{margin-left:auto}
      .search-pill{width:44px;padding:0;justify-content:center}
      .search-pill input{display:none}
      .main-nav{
        position:fixed;left:16px;right:16px;top:110px;z-index:60;
        display:grid;gap:4px;padding:16px;border:1px solid var(--border);
        border-radius:24px;background:rgba(255,255,255,.98);box-shadow:var(--shadow-lg);
        transform:translateY(-12px);opacity:0;pointer-events:none;transition:.22s var(--ease)
      }
      .main-nav.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
      .main-nav a{min-height:48px;border-radius:14px;padding:0 14px}
      .main-nav a::after{display:none}
      .main-nav a.active{background:var(--primary-soft)}
      .hero{padding-top:52px}
      .hero-grid,.category-entry,.scenario-layout,.faq-wrap,.cta-card{grid-template-columns:1fr}
      .hero-visual{min-height:470px}
      .float-card{right:18px}
      .trust-row,.value-strip,.case-grid,.insight-grid{grid-template-columns:1fr 1fr}
      .value-strip{overflow:visible;border-radius:0;border:0;background:transparent;box-shadow:none;gap:16px}
      .value-item{border:1px solid var(--border);border-radius:24px;background:#fff}
      .capability-wrap{grid-template-columns:1fr}
      .sticky-menu{position:relative;top:auto}
      .sticky-menu nav{display:grid;grid-template-columns:repeat(2,1fr);gap:4px}
      .sticky-menu a{border-bottom:0;padding:10px;border-radius:12px;background:var(--surface-warm)}
      .plan-card{grid-template-columns:1fr;align-items:start}
      .cta-actions{justify-content:flex-start}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:767px){
      .container{width:min(calc(100% - 28px),640px)}
      .section{padding:64px 0}
      .section-tight{padding:56px 0}
      .topbar-inner{min-height:42px}
      .brand{font-size:15px}
      .brand-mark{width:32px;height:32px}
      .hero-copy h1{margin-top:16px;margin-bottom:16px}
      .lead{font-size:16px}
      .hero-actions,.cta-actions{flex-direction:column}
      .btn{width:100%;min-height:50px}
      .trust-row,.value-strip,.capability-grid,.case-grid,.insight-grid{grid-template-columns:1fr}
      .hero-visual{min-height:430px}
      .interface-card{left:16px;right:16px;bottom:16px;padding:18px;border-radius:22px}
      .float-card{display:none}
      .mini-row{grid-template-columns:auto 1fr}
      .mini-row .progress{grid-column:2;width:100%}
      .section-head{display:block}
      .section-head .text-link{margin-top:16px}
      .scenario-main img,.insight-card img{height:220px}
      .plan-list{display:grid}
      .cta-card{padding:30px 22px;border-radius:28px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:grid}
    }
    @media (max-width:480px){
      .container{width:min(calc(100% - 22px),440px)}
      h1{font-size:34px}
      h2{font-size:28px}
      .hero{padding-top:40px}
      .hero-visual{min-height:390px}
      .trendbar-inner{gap:8px}
      .value-item,.feature-card,.case-card,.scenario-side-card,.scenario-content,.entry-panel{padding:22px}
      .entry-overlay{left:14px;right:14px;bottom:14px;padding:18px}
      .sticky-menu nav{grid-template-columns:1fr}
      .faq-item summary{padding:16px;font-size:15px}
      .faq-content{padding:0 16px 18px}
    }

/* roulang page: category1 */
:root{
      --primary:#0E6F63;
      --primary-dark:#064B43;
      --primary-soft:#DFF3EF;
      --accent:#8EDDD2;
      --accent-soft:#EFF9F7;
      --warm:#C8A96A;
      --base:#F7F6F1;
      --card:#FFFFFF;
      --card-warm:#FBFAF6;
      --ink:#1E2422;
      --muted:#68736F;
      --light-muted:#8A948F;
      --border:#E5E1D6;
      --border-strong:#CFC8BA;
      --fill:#EFF4F1;
      --footer:#083B35;
      --shadow-sm:0 8px 22px rgba(30,36,34,.06);
      --shadow-md:0 18px 45px rgba(30,36,34,.10);
      --shadow-lg:0 28px 70px rgba(14,111,99,.14);
      --radius-xs:10px;
      --radius-sm:14px;
      --radius-md:20px;
      --radius-lg:28px;
      --radius-xl:36px;
      --container:1200px;
      --nav-height:64px;
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 4%, rgba(142,221,210,.30), transparent 28%),
        radial-gradient(circle at 92% 18%, rgba(200,169,106,.16), transparent 24%),
        var(--base);
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(14,111,99,.18)}
    :focus-visible{
      outline:3px solid rgba(14,111,99,.22);
      outline-offset:3px;
      border-radius:10px;
    }
    .container{
      width:min(100% - 40px,var(--container));
      margin-inline:auto;
    }
    .skip-link{
      position:absolute;
      left:18px;
      top:-80px;
      z-index:999;
      padding:10px 14px;
      border-radius:999px;
      background:var(--primary);
      color:#fff;
      transition:.2s ease;
    }
    .skip-link:focus{top:14px}
    .top-shell{
      position:sticky;
      top:0;
      z-index:100;
      background:rgba(247,246,241,.96);
      border-bottom:1px solid rgba(229,225,214,.85);
      transition:box-shadow .25s ease, backdrop-filter .25s ease;
    }
    .top-shell.is-scrolled{
      box-shadow:0 12px 32px rgba(30,36,34,.08);
      backdrop-filter:saturate(130%) blur(10px);
    }
    .brand-row{
      min-height:46px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      border-bottom:1px solid rgba(229,225,214,.72);
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-size:18px;
      font-weight:700;
      letter-spacing:-.02em;
      color:var(--ink);
      white-space:nowrap;
    }
    .brand strong{color:var(--primary);font-weight:800}
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,var(--primary),#0B8B7D);
      box-shadow:0 10px 22px rgba(14,111,99,.20);
      flex:0 0 auto;
    }
    .brand-mark svg{width:27px;height:27px}
    .utility{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:14px;
      color:var(--muted);
      font-size:13px;
      white-space:nowrap;
    }
    .utility .dot{
      width:4px;height:4px;border-radius:999px;background:var(--warm);display:inline-block;
    }
    .utility a{transition:.2s ease}
    .utility a:hover{color:var(--primary)}
    .nav-row{
      min-height:var(--nav-height);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .main-nav{
      display:flex;
      align-items:center;
      gap:6px;
      min-width:0;
    }
    .main-nav a{
      position:relative;
      min-height:44px;
      display:inline-flex;
      align-items:center;
      padding:0 15px;
      border-radius:999px;
      color:#39423F;
      font-size:15px;
      font-weight:650;
      transition:color .2s ease, background .2s ease;
    }
    .main-nav a::after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:5px;
      height:2px;
      border-radius:999px;
      background:var(--primary);
      transform:scaleX(0);
      transform-origin:left;
      transition:transform .2s ease;
    }
    .main-nav a:hover{
      color:var(--primary);
      background:rgba(14,111,99,.07);
    }
    .main-nav a.active{
      color:var(--primary);
      background:rgba(14,111,99,.09);
    }
    .main-nav a.active::after{transform:scaleX(1)}
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
    }
    .search-pill{
      width:286px;
      min-height:42px;
      display:flex;
      align-items:center;
      gap:9px;
      padding:0 14px;
      border:1px solid var(--border);
      border-radius:999px;
      background:#fff;
      color:var(--muted);
      box-shadow:0 5px 16px rgba(30,36,34,.04);
      transition:.2s ease;
    }
    .search-pill:focus-within{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(14,111,99,.10);
    }
    .search-pill svg{width:17px;height:17px;color:var(--primary);flex:0 0 auto}
    .search-pill input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:var(--ink);
      font-size:14px;
    }
    .search-pill input::placeholder{color:#8D9692}
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      background:#fff;
      border:1px solid var(--border);
      color:var(--ink);
      align-items:center;
      justify-content:center;
      transition:.2s ease;
    }
    .menu-toggle:hover{border-color:var(--primary);color:var(--primary)}
    .menu-toggle span{
      width:18px;height:2px;background:currentColor;position:relative;border-radius:999px;
    }
    .menu-toggle span::before,.menu-toggle span::after{
      content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:999px;
    }
    .menu-toggle span::before{top:-6px}
    .menu-toggle span::after{top:6px}
    .trend-row{
      border-top:1px solid rgba(229,225,214,.65);
      background:rgba(251,250,246,.62);
    }
    .trend-inner{
      display:flex;
      align-items:center;
      gap:10px;
      min-height:42px;
      overflow-x:auto;
      scrollbar-width:none;
      color:var(--muted);
      font-size:13px;
    }
    .trend-inner::-webkit-scrollbar{display:none}
    .trend-title{
      color:var(--primary-dark);
      font-weight:750;
      flex:0 0 auto;
    }
    .trend-chip{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:4px 11px;
      border-radius:999px;
      background:#fff;
      border:1px solid var(--border);
      transition:.2s ease;
    }
    .trend-chip:hover{
      color:var(--primary);
      border-color:rgba(14,111,99,.34);
      transform:translateY(-1px);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:48px;
      padding:13px 22px;
      border-radius:999px;
      font-weight:750;
      font-size:15px;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
      user-select:none;
    }
    .btn-primary{
      background:var(--primary);
      color:#fff;
      box-shadow:0 14px 28px rgba(14,111,99,.18);
    }
    .btn-primary:hover{
      background:var(--primary-dark);
      transform:translateY(-2px);
      box-shadow:0 18px 34px rgba(14,111,99,.24);
    }
    .btn-secondary{
      background:#fff;
      color:var(--ink);
      border:1px solid var(--border-strong);
    }
    .btn-secondary:hover{
      background:var(--fill);
      color:var(--primary);
      border-color:var(--primary);
      transform:translateY(-2px);
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary);
      font-weight:750;
    }
    .text-link .arrow{transition:transform .2s ease}
    .text-link:hover .arrow{transform:translateX(4px)}
    .badge,.chip{
      display:inline-flex;
      align-items:center;
      gap:7px;
      width:max-content;
      max-width:100%;
      padding:7px 12px;
      border-radius:999px;
      color:var(--primary-dark);
      background:var(--primary-soft);
      border:1px solid rgba(14,111,99,.16);
      font-size:13px;
      font-weight:750;
    }
    .badge::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:999px;
      background:var(--warm);
      box-shadow:0 0 0 4px rgba(200,169,106,.16);
    }
    .hero{
      padding:58px 0 72px;
      position:relative;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0 0 auto 0;
      height:420px;
      background:
        linear-gradient(120deg,rgba(239,249,247,.9),rgba(247,246,241,.2)),
        radial-gradient(circle at 74% 20%,rgba(142,221,210,.28),transparent 34%);
      z-index:-2;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(340px,.95fr);
      gap:34px;
      align-items:stretch;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:14px;
      margin-bottom:18px;
    }
    .breadcrumb a:hover{color:var(--primary)}
    .breadcrumb span:last-child{color:var(--ink);font-weight:700}
    .hero-panel{
      padding:40px;
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      background:rgba(255,255,255,.76);
      box-shadow:var(--shadow-md);
      position:relative;
      overflow:hidden;
    }
    .hero-panel::after{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      border-radius:50%;
      right:-105px;
      bottom:-122px;
      background:rgba(142,221,210,.30);
      filter:blur(2px);
      z-index:0;
    }
    .hero-content{position:relative;z-index:1}
    h1,h2,h3,p{margin-top:0}
    h1{
      margin:16px 0 18px;
      font-size:clamp(34px,5vw,58px);
      line-height:1.12;
      letter-spacing:-.06em;
      color:var(--ink);
    }
    h1 .accent{color:var(--primary)}
    .hero-lead{
      margin:0;
      max-width:700px;
      color:var(--muted);
      font-size:18px;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      margin-top:28px;
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:30px;
    }
    .metric{
      padding:16px;
      border-radius:18px;
      background:rgba(239,244,241,.85);
      border:1px solid rgba(229,225,214,.9);
    }
    .metric strong{
      display:block;
      font-size:20px;
      color:var(--primary-dark);
      line-height:1.2;
    }
    .metric span{
      display:block;
      margin-top:5px;
      color:var(--muted);
      font-size:13px;
      line-height:1.5;
    }
    .hero-side{
      border-radius:var(--radius-xl);
      border:1px solid var(--border);
      background:#fff;
      box-shadow:var(--shadow-md);
      overflow:hidden;
      display:flex;
      flex-direction:column;
      min-height:100%;
    }
    .hero-image{
      position:relative;
      min-height:260px;
      overflow:hidden;
      background:var(--fill);
    }
    .hero-image img{
      width:100%;
      height:100%;
      min-height:260px;
      object-fit:cover;
      transition:transform .5s ease;
    }
    .hero-side:hover .hero-image img{transform:scale(1.035)}
    .hero-image::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(6,75,67,.02),rgba(6,75,67,.42));
    }
    .floating-note{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:14px 16px;
      border-radius:18px;
      background:rgba(255,255,255,.92);
      border:1px solid rgba(255,255,255,.78);
      box-shadow:0 16px 30px rgba(6,75,67,.15);
      color:var(--ink);
    }
    .floating-note b{display:block;line-height:1.35}
    .floating-note small{color:var(--muted)}
    .status-dot{
      width:12px;
      height:12px;
      border-radius:999px;
      background:var(--primary);
      box-shadow:0 0 0 7px rgba(14,111,99,.14);
      flex:0 0 auto;
    }
    .side-body{
      padding:24px;
      display:grid;
      gap:14px;
    }
    .side-item{
      display:flex;
      gap:12px;
      padding:14px;
      border-radius:18px;
      background:var(--card-warm);
      border:1px solid var(--border);
    }
    .side-num{
      flex:0 0 auto;
      width:34px;
      height:34px;
      border-radius:13px;
      display:grid;
      place-items:center;
      background:var(--primary);
      color:#fff;
      font-weight:800;
    }
    .side-item b{display:block;font-size:15px;line-height:1.4}
    .side-item span{display:block;color:var(--muted);font-size:13px;line-height:1.6;margin-top:3px}
    .section{
      padding:82px 0;
    }
    .section.tight{padding-top:36px}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:30px;
    }
    .section-kicker{
      color:var(--primary);
      font-weight:800;
      font-size:14px;
      margin-bottom:9px;
      display:flex;
      align-items:center;
      gap:10px;
    }
    .section-kicker::before{
      content:"";
      width:30px;
      height:2px;
      border-radius:999px;
      background:var(--warm);
    }
    .section h2{
      font-size:clamp(28px,3.4vw,42px);
      line-height:1.18;
      letter-spacing:-.045em;
      margin-bottom:0;
    }
    .section-desc{
      max-width:560px;
      margin:0;
      color:var(--muted);
      font-size:16px;
    }
    .filter-card{
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      padding:22px;
    }
    .filter-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      margin-bottom:18px;
    }
    .filter-top h2{
      font-size:24px;
      margin:0;
      letter-spacing:-.03em;
    }
    .filter-search{
      width:360px;
      max-width:100%;
      height:50px;
      display:flex;
      align-items:center;
      gap:10px;
      border:1px solid var(--border);
      border-radius:16px;
      padding:0 14px;
      background:var(--card-warm);
      transition:.2s ease;
    }
    .filter-search:focus-within{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(14,111,99,.10);
      background:#fff;
    }
    .filter-search input{
      width:100%;
      border:0;
      outline:0;
      background:transparent;
      color:var(--ink);
    }
    .chips{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .chip{
      border-color:var(--border);
      background:var(--fill);
      color:#41504B;
      cursor:pointer;
      transition:.2s ease;
    }
    .chip:hover,.chip:focus-visible{
      color:var(--primary);
      border-color:rgba(14,111,99,.36);
      transform:translateY(-1px);
    }
    .chip.active{
      color:#fff;
      background:var(--primary);
      border-color:var(--primary);
      box-shadow:0 10px 22px rgba(14,111,99,.16);
    }
    .topic-grid{
      display:grid;
      grid-template-columns:1.35fr .85fr;
      gap:24px;
      align-items:stretch;
    }
    .feature-topic{
      min-height:440px;
      position:relative;
      border-radius:var(--radius-xl);
      overflow:hidden;
      border:1px solid var(--border);
      box-shadow:var(--shadow-md);
      background:#111;
    }
    .feature-topic img{
      width:100%;
      height:100%;
      object-fit:cover;
      position:absolute;
      inset:0;
      transition:transform .5s ease;
    }
    .feature-topic:hover img{transform:scale(1.035)}
    .feature-topic::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(6,75,67,.10),rgba(6,75,67,.82));
    }
    .topic-content{
      position:absolute;
      left:0;
      right:0;
      bottom:0;
      z-index:1;
      padding:34px;
      color:#fff;
    }
    .topic-content .tag{
      display:inline-flex;
      padding:6px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.32);
      font-size:13px;
      margin-bottom:14px;
    }
    .topic-content h2{
      color:#fff;
      max-width:660px;
      font-size:clamp(28px,3.1vw,40px);
      margin:0 0 14px;
      letter-spacing:-.04em;
    }
    .topic-content p{
      max-width:700px;
      margin:0 0 20px;
      color:rgba(255,255,255,.82);
    }
    .mini-topics{
      display:grid;
      gap:24px;
    }
    .mini-topic{
      position:relative;
      overflow:hidden;
      min-height:208px;
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(135deg,#fff,#F3F8F6);
      padding:26px;
      box-shadow:var(--shadow-sm);
      transition:.25s ease;
    }
    .mini-topic::after{
      content:"";
      position:absolute;
      width:126px;
      height:126px;
      border-radius:50%;
      right:-40px;
      top:-38px;
      background:rgba(142,221,210,.36);
    }
    .mini-topic:hover{
      transform:translateY(-4px);
      border-color:rgba(14,111,99,.28);
      box-shadow:var(--shadow-md);
    }
    .mini-topic h3{
      position:relative;
      z-index:1;
      margin:12px 0 10px;
      font-size:22px;
      line-height:1.35;
      letter-spacing:-.025em;
    }
    .mini-topic p{
      position:relative;
      z-index:1;
      margin:0 0 16px;
      color:var(--muted);
      line-height:1.7;
    }
    .mini-topic .text-link{position:relative;z-index:1}
    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:26px;
      align-items:start;
    }
    .capability-list{
      display:grid;
      gap:16px;
    }
    .list-item{
      display:grid;
      grid-template-columns:1fr auto;
      gap:22px;
      align-items:center;
      padding:24px;
      border:1px solid var(--border);
      border-radius:var(--radius-md);
      background:#fff;
      box-shadow:var(--shadow-sm);
      transition:.22s ease;
    }
    .list-item:hover{
      transform:translateY(-3px);
      border-color:rgba(14,111,99,.34);
      box-shadow:var(--shadow-md);
    }
    .list-meta{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      color:var(--light-muted);
      font-size:13px;
      margin-bottom:9px;
    }
    .tag-soft{
      display:inline-flex;
      align-items:center;
      padding:4px 9px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-weight:750;
      font-size:12px;
    }
    .tag-warm{
      background:rgba(200,169,106,.16);
      color:#78602B;
    }
    .list-item h3{
      margin:0 0 8px;
      font-size:22px;
      line-height:1.35;
      letter-spacing:-.025em;
      transition:.2s ease;
    }
    .list-item:hover h3{color:var(--primary)}
    .list-item p{
      margin:0;
      color:var(--muted);
      line-height:1.75;
      max-width:760px;
    }
    .arrow-btn{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:var(--fill);
      color:var(--primary);
      border:1px solid var(--border);
      transition:.22s ease;
      font-size:20px;
      font-weight:800;
    }
    .list-item:hover .arrow-btn{
      background:var(--primary);
      color:#fff;
      transform:translateX(4px);
    }
    .sidebar{
      display:grid;
      gap:18px;
      position:sticky;
      top:178px;
    }
    .side-card{
      padding:24px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
    }
    .side-card.dark{
      background:linear-gradient(145deg,var(--primary-dark),#0B6258);
      color:#fff;
      border-color:rgba(255,255,255,.14);
      box-shadow:var(--shadow-lg);
    }
    .side-card h3{
      font-size:20px;
      margin:0 0 14px;
      letter-spacing:-.02em;
    }
    .trend-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .trend-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:10px 0;
      border-bottom:1px solid rgba(229,225,214,.72);
      color:var(--muted);
      line-height:1.55;
    }
    .trend-list li:last-child{border-bottom:0}
    .trend-list li::before{
      content:"";
      width:8px;
      height:8px;
      margin-top:8px;
      border-radius:999px;
      background:var(--warm);
      flex:0 0 auto;
    }
    .side-card.dark p{
      color:rgba(255,255,255,.78);
      margin-bottom:18px;
    }
    .side-card.dark .btn{
      width:100%;
      background:#fff;
      color:var(--primary-dark);
      box-shadow:none;
    }
    .path-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      counter-reset:path;
    }
    .path-card{
      position:relative;
      padding:28px 24px;
      border-radius:var(--radius-lg);
      background:var(--card-warm);
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      transition:.22s ease;
    }
    .path-card:hover{
      transform:translateY(-4px);
      border-color:rgba(14,111,99,.32);
      box-shadow:var(--shadow-md);
    }
    .path-card::before{
      counter-increment:path;
      content:"0" counter(path);
      display:inline-grid;
      place-items:center;
      width:44px;
      height:44px;
      border-radius:16px;
      margin-bottom:20px;
      background:var(--primary);
      color:#fff;
      font-weight:850;
      box-shadow:0 10px 20px rgba(14,111,99,.18);
    }
    .path-card h3{
      font-size:20px;
      margin:0 0 10px;
      line-height:1.35;
    }
    .path-card p{
      color:var(--muted);
      margin:0;
      line-height:1.7;
    }
    .comparison{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
      align-items:stretch;
    }
    .compare-card{
      padding:30px;
      border-radius:var(--radius-xl);
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
    }
    .compare-card.highlight{
      background:linear-gradient(145deg,#fff,#EEF8F5);
      border-color:rgba(14,111,99,.28);
    }
    .compare-card h3{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin:0 0 14px;
      font-size:24px;
    }
    .compare-card p{
      color:var(--muted);
      margin-bottom:20px;
    }
    .check-list{
      display:grid;
      gap:12px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .check-list li{
      display:flex;
      gap:10px;
      color:#43504C;
      line-height:1.65;
    }
    .check-list li::before{
      content:"✓";
      width:22px;
      height:22px;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary);
      font-size:13px;
      font-weight:900;
      flex:0 0 auto;
      margin-top:2px;
    }
    .faq-wrap{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:34px;
      align-items:start;
    }
    .faq-intro{
      padding:30px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(180deg,rgba(255,255,255,.88),rgba(251,250,246,.95)),
        url('/assets/images/backpic/back-2.webp') center/cover;
      border:1px solid var(--border);
      box-shadow:var(--shadow-sm);
      min-height:100%;
    }
    .faq-intro h2{
      margin:12px 0 12px;
    }
    .faq-intro p{color:var(--muted)}
    .faq-list{
      display:grid;
      gap:12px;
    }
    details.faq-item{
      border:1px solid var(--border);
      background:#fff;
      border-radius:20px;
      box-shadow:var(--shadow-sm);
      overflow:hidden;
      transition:.2s ease;
    }
    details.faq-item:hover{border-color:rgba(14,111,99,.28)}
    details.faq-item[open]{
      border-color:rgba(14,111,99,.34);
      box-shadow:var(--shadow-md);
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:20px 22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      font-weight:800;
      line-height:1.55;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      width:30px;
      height:30px;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:var(--fill);
      color:var(--primary);
      font-size:20px;
      font-weight:600;
      flex:0 0 auto;
      transition:.2s ease;
    }
    .faq-item[open] summary::after{
      content:"−";
      background:var(--primary);
      color:#fff;
    }
    .faq-answer{
      padding:0 22px 22px;
      color:var(--muted);
      border-top:1px solid rgba(229,225,214,.72);
      background:linear-gradient(180deg,#fff,var(--card-warm));
    }
    .faq-answer p{margin:16px 0 0}
    .cta-section{
      padding:30px 0 92px;
    }
    .cta-card{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:28px;
      align-items:center;
      padding:40px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(6,75,67,.94),rgba(14,111,99,.86)),
        url('/assets/images/backpic/back-3.webp') center/cover;
      color:#fff;
      box-shadow:var(--shadow-lg);
      overflow:hidden;
      position:relative;
    }
    .cta-card::after{
      content:"";
      position:absolute;
      width:300px;
      height:300px;
      right:-90px;
      top:-120px;
      border-radius:50%;
      background:rgba(142,221,210,.22);
    }
    .cta-card > *{position:relative;z-index:1}
    .cta-card h2{
      margin:0 0 12px;
      font-size:clamp(28px,3.4vw,42px);
      line-height:1.2;
      letter-spacing:-.045em;
    }
    .cta-card p{
      max-width:720px;
      color:rgba(255,255,255,.78);
      margin:0;
      font-size:17px;
    }
    .cta-actions{
      display:grid;
      gap:12px;
    }
    .cta-actions .btn{
      width:100%;
    }
    .cta-actions .btn-primary{
      background:#fff;
      color:var(--primary-dark);
      box-shadow:none;
    }
    .cta-actions .btn-primary:hover{
      background:var(--accent-soft);
    }
    .cta-actions .btn-secondary{
      background:transparent;
      color:#fff;
      border-color:rgba(255,255,255,.46);
    }
    .cta-actions .btn-secondary:hover{
      background:rgba(255,255,255,.10);
      color:#fff;
      border-color:#fff;
    }
    .site-footer{
      padding:58px 0 26px;
      background:
        radial-gradient(circle at 12% 0,rgba(142,221,210,.14),transparent 30%),
        var(--footer);
      color:rgba(255,255,255,.82);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.5fr .75fr .85fr .95fr;
      gap:34px;
      align-items:start;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.14);
    }
    .footer-brand .brand{
      color:#fff;
      margin-bottom:16px;
    }
    .footer-brand .brand strong{color:var(--accent)}
    .footer-brand p{
      color:rgba(255,255,255,.72);
      margin:0 0 16px;
      max-width:430px;
    }
    .footer-statement{
      padding:14px 16px;
      border-radius:16px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      color:rgba(255,255,255,.70);
      font-size:13px;
      line-height:1.7;
    }
    .footer-col h3{
      color:#fff;
      font-size:16px;
      margin:4px 0 14px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.72);
      transition:.2s ease;
      overflow-wrap:anywhere;
    }
    .footer-links a:hover{
      color:#fff;
      padding-left:3px;
    }
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding-top:22px;
      color:rgba(255,255,255,.58);
      font-size:13px;
    }
    @media (max-width:1100px){
      .search-pill{width:240px}
      .hero-grid,.content-layout,.cta-card{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:1fr 1fr}
      .path-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:900px){
      .container{width:min(100% - 30px,var(--container))}
      .brand-row{min-height:56px}
      .utility{display:none}
      .nav-row{min-height:58px}
      .menu-toggle{display:inline-flex}
      .nav-actions{margin-left:auto}
      .search-pill{width:44px;height:44px;padding:0;justify-content:center}
      .search-pill input{display:none}
      .main-nav{
        position:absolute;
        left:15px;
        right:15px;
        top:105px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:14px;
        background:#fff;
        border:1px solid var(--border);
        border-radius:22px;
        box-shadow:var(--shadow-md);
      }
      .top-shell.menu-open .main-nav{display:flex}
      .main-nav a{justify-content:space-between;border-radius:14px}
      .main-nav a::after{display:none}
      .hero{padding-top:36px}
      .hero-panel{padding:30px}
      .hero-metrics{grid-template-columns:1fr}
      .section{padding:64px 0}
      .section-head,.filter-top{align-items:flex-start;flex-direction:column}
      .topic-grid,.faq-wrap,.comparison{grid-template-columns:1fr}
      .feature-topic{min-height:390px}
      .filter-search{width:100%}
      .footer-grid{gap:28px}
    }
    @media (max-width:640px){
      .container{width:min(100% - 24px,var(--container))}
      .brand{font-size:16px;gap:9px}
      .brand-mark{width:34px;height:34px;border-radius:13px}
      .trend-inner{min-height:40px}
      .hero-panel,.cta-card{padding:24px;border-radius:26px}
      h1{font-size:34px;letter-spacing:-.045em}
      .hero-lead{font-size:16px}
      .hero-actions,.cta-actions{display:grid;grid-template-columns:1fr}
      .btn{width:100%}
      .section{padding:56px 0}
      .filter-card,.side-card,.compare-card,.faq-intro{padding:22px}
      .topic-content{padding:24px}
      .list-item{grid-template-columns:1fr;padding:22px}
      .arrow-btn{justify-self:start}
      .sidebar,.path-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column;align-items:flex-start}
    }
    @media (max-width:420px){
      .brand span:last-child{white-space:normal;line-height:1.2}
      .hero-image,.hero-image img{min-height:220px}
      .feature-topic{min-height:420px}
      .metric,.side-item,.path-card{padding:16px}
      .chip{font-size:12px;padding:6px 10px}
    }
    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{
        animation-duration:.01ms!important;
        animation-iteration-count:1!important;
        scroll-behavior:auto!important;
        transition-duration:.01ms!important;
      }
    }