/* roulang page: index */
:root{
      --ink:#17211f;
      --muted:#687572;
      --soft:#f3f6f3;
      --paper:#fbfcfa;
      --line:#e2e9e4;
      --deep:#14231f;
      --mint:#b9e3d0;
      --accent:#4d9a78;
      --amber:#d89c51;
      --radius:24px;
      --shadow:0 18px 50px rgba(20,35,31,.08);
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
    a{text-decoration:none;color:inherit}
    button{font:inherit;border:0;cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{height:84px;background:rgba(251,252,250,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .nav-wrap{height:84px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{font-weight:800;letter-spacing:-.04em;font-size:19px;white-space:nowrap}
    .brand i{display:inline-block;width:7px;height:7px;background:var(--accent);border-radius:50%;margin:0 8px 3px 0}
    .nav-links{display:flex;align-items:center;gap:30px;color:#596762}
    .nav-links a{position:relative;padding:8px 0;transition:color .2s}
    .nav-links a:hover,.nav-links a.active{color:var(--ink)}
    .nav-links a.active:after{content:"";position:absolute;left:0;right:0;bottom:1px;height:1px;background:var(--accent)}
    .nav-cta,.btn-dark,.btn-light{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:11px 20px;font-weight:700;transition:.25s ease}
    .nav-cta,.btn-dark{background:var(--deep);color:#fff}
    .nav-cta:hover,.btn-dark:hover{transform:translateY(-2px);background:#263b34;box-shadow:0 10px 22px rgba(20,35,31,.18)}
    .menu-btn{display:none;background:none;font-size:25px;color:var(--ink)}
    .hero{position:relative;min-height:650px;display:flex;align-items:center;overflow:hidden;background:#dfe9e2}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,28,23,.92) 0%,rgba(17,40,32,.72) 45%,rgba(17,40,32,.22) 100%),radial-gradient(circle at 78% 35%,#8fb6a5 0,transparent 32%),linear-gradient(135deg,#243e34,#9bbca9)}
    .hero:after{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(255,255,255,.17);border-radius:50%;right:9%;top:8%;box-shadow:0 0 0 46px rgba(255,255,255,.035),0 0 0 92px rgba(255,255,255,.025)}
    .hero-content{position:relative;z-index:1;padding:105px 0 92px;color:#fff;width:100%}
    .hero-copy{max-width:650px}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--mint);font-weight:800;margin-bottom:18px}
    h1{font-size:clamp(36px,5.2vw,66px);line-height:1.14;letter-spacing:-.06em;font-weight:800;max-width:680px}
    .hero-copy p{font-size:17px;color:rgba(255,255,255,.78);max-width:610px;margin:26px 0 31px;line-height:1.9}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap}
    .btn-light{background:#fff;color:var(--deep)}
    .btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 25px rgba(0,0,0,.18)}
    .btn-outline{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.45);color:#fff;border-radius:999px;padding:10px 20px;font-weight:700;transition:.25s}
    .btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}
    .hero-panel{position:absolute;z-index:2;right:7%;bottom:78px;width:300px;background:rgba(12,27,22,.87);border:1px solid rgba(255,255,255,.2);border-radius:22px;padding:22px;color:#fff;box-shadow:0 24px 60px rgba(0,0,0,.2)}
    .panel-top{display:flex;justify-content:space-between;color:#c6d8cf;font-size:12px;margin-bottom:20px}
    .status{display:flex;align-items:center;gap:7px;color:#bce8d0;font-size:12px}
    .status:before{content:"";width:7px;height:7px;border-radius:50%;background:#83d1a7}
    .step{display:flex;gap:13px;padding:13px 0;border-top:1px solid rgba(255,255,255,.13)}
    .step-no{width:25px;height:25px;border-radius:8px;background:rgba(185,227,208,.16);color:var(--mint);display:grid;place-items:center;font-size:12px;font-weight:800;flex:none}
    .step strong{font-size:14px;display:block;margin-bottom:2px}
    .step small{color:#9db0a7;font-size:12px}
    .metrics{background:#fff;border-bottom:1px solid var(--line)}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr)}
    .metric{padding:25px 24px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric b{display:block;font-size:22px;letter-spacing:-.04em;margin-bottom:3px}
    .metric span{color:var(--muted);font-size:13px}
    section{padding:105px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
    .section-head h2{font-size:clamp(28px,3.5vw,42px);line-height:1.2;letter-spacing:-.05em}
    .section-head p{max-width:470px;color:var(--muted);line-height:1.85}
    .rail{display:flex;gap:18px;overflow-x:auto;padding:7px 3px 20px;scrollbar-width:thin}
    .rail-card{min-width:285px;height:300px;border-radius:22px;position:relative;overflow:hidden;background:linear-gradient(145deg,#203d33,#87ad9b 50%,#d2e5da);transition:transform .3s,box-shadow .3s}
    .rail-card:nth-child(2){background:linear-gradient(145deg,#2f3b3c,#9faeaa 52%,#dfe9e2)}
    .rail-card:nth-child(3){background:linear-gradient(145deg,#4a3528,#bd986f 52%,#eadbc8)}
    .rail-card:nth-child(4){background:linear-gradient(145deg,#263344,#70869d 55%,#d6e0e7)}
    .rail-card:hover{transform:scale(1.035) translateY(-4px);box-shadow:var(--shadow)}
    .rail-art{position:absolute;inset:24px 24px auto;height:120px;border:1px solid rgba(255,255,255,.4);border-radius:14px;background:linear-gradient(135deg,rgba(255,255,255,.26),rgba(255,255,255,.04));padding:14px}
    .rail-art span{display:block;width:65%;height:7px;background:rgba(255,255,255,.55);border-radius:6px;margin-bottom:10px}
    .rail-art span:nth-child(2){width:42%}.rail-art span:nth-child(3){width:80%;margin-top:32px}
    .rail-overlay{position:absolute;inset:38% 0 0;padding:68px 23px 20px;background:linear-gradient(transparent,rgba(10,20,17,.93) 42%);color:#fff}
    .rail-overlay h3{font-size:19px;margin-bottom:5px}.rail-overlay p{font-size:13px;color:#c7d4ce;line-height:1.6}.tag{display:inline-flex;border:1px solid rgba(185,227,208,.5);color:#d1f0df;border-radius:99px;padding:3px 9px;font-size:11px;margin-top:12px}
    .scene-section{background:var(--deep);color:#fff}
    .scene-section .section-head p{color:#a9bcb3}.scene-grid{display:grid;grid-template-columns:.85fr 1.4fr;gap:28px}
    .scene-list{border-top:1px solid rgba(255,255,255,.18)}
    .scene-item{padding:20px 8px;border-bottom:1px solid rgba(255,255,255,.15);display:flex;justify-content:space-between;align-items:center;color:#a9bcb3;transition:.2s}
    .scene-item:hover,.scene-item.active{color:#fff;padding-left:16px}
    .scene-item.active{border-left:2px solid var(--mint)}
    .scene-panel{background:#20362e;border-radius:24px;padding:31px;min-height:290px}
    .scene-panel h3{font-size:24px;margin:19px 0 10px}.scene-panel p{color:#b8c9c1;max-width:560px}
    .check-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:25px;color:#d6e5de;font-size:14px}
    .check-list li{list-style:none}.check-list li:before{content:"✓";color:var(--mint);margin-right:8px}
    .feedback-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
    .quote-card,.compare-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:31px;box-shadow:0 8px 26px rgba(20,35,31,.035);transition:.25s}
    .quote-card:hover,.compare-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .quote-mark{font-size:48px;color:var(--accent);line-height:1}
    .quote-card blockquote{font-size:20px;line-height:1.7;margin:8px 0 25px}
    .quote-card cite{font-style:normal;color:var(--muted);font-size:13px}
    .compare-card h3{font-size:20px;margin-bottom:18px}.compare-row{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:14px 0;gap:15px}.compare-row span{color:var(--muted);font-size:13px}.compare-row b{font-size:14px;text-align:right}
    .plan-section{background:#f0f5f1}.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.plan{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;position:relative}.plan.featured{border:2px solid #86bca0;transform:translateY(-9px);box-shadow:var(--shadow)}.plan-label{position:absolute;right:20px;top:20px;background:#e0f2e8;color:#327454;border-radius:99px;font-size:11px;padding:4px 9px}.plan h3{font-size:20px}.plan em{display:block;font-style:normal;color:var(--muted);font-size:13px;margin:8px 0 22px}.plan ul{margin-bottom:25px}.plan li{list-style:none;padding:8px 0;color:#53615c;font-size:14px}.plan li:before{content:"•";color:var(--accent);font-weight:bold;margin-right:10px}
    .faq-wrap{max-width:850px;margin:auto}.faq-item{border-top:1px solid var(--line)}.faq-q{width:100%;background:transparent;padding:22px 4px;text-align:left;display:flex;justify-content:space-between;align-items:center;font-weight:700;font-size:16px;color:var(--ink)}.faq-q span{font-size:23px;color:var(--accent);transition:.2s}.faq-a{display:none;color:var(--muted);padding:0 35px 22px 4px;line-height:1.85}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span{transform:rotate(45deg)}
    .cta{padding:78px 0;background:linear-gradient(110deg,#cce9d9,#edf5f0)}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:28px}.cta h2{font-size:clamp(27px,4vw,42px);letter-spacing:-.05em;line-height:1.25}.cta p{color:#5d7068;margin-top:10px}.cta-actions{display:flex;gap:12px;flex:none}.cta .btn-light{border:1px solid #aacbbb;background:transparent;color:var(--deep)}
    footer{background:#111d1a;color:#a6b6ae;padding:48px 0 24px}.footer-top{display:flex;justify-content:space-between;gap:30px;padding-bottom:38px}.footer-brand{color:#fff;font-size:20px;font-weight:800}.footer-top p{font-size:13px;max-width:300px;margin-top:9px}.footer-links{display:flex;gap:25px;font-size:13px}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;font-size:12px;display:flex;justify-content:space-between}
    :focus-visible{outline:3px solid rgba(77,154,120,.45);outline-offset:3px}
    @media(max-width:900px){.hero-panel{right:4%;width:270px}.hero-copy{max-width:55%}.feedback-grid,.scene-grid{grid-template-columns:1fr}.plan-grid{grid-template-columns:1fr 1fr}.plan.featured{transform:none}}
    @media(max-width:700px){.container{width:min(100% - 28px,560px)}.site-header,.nav-wrap{height:72px}.nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:var(--paper);padding:14px 20px 20px;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:2px}.nav-links.show{display:flex}.nav-links a{padding:12px 4px}.nav-cta{margin-top:8px;text-align:center}.menu-btn{display:block}.hero{min-height:720px}.hero-content{padding:78px 0 260px}.hero-copy{max-width:none}.hero-copy p{font-size:15px}.hero-panel{left:14px;right:14px;bottom:34px;width:auto}.metric-grid{grid-template-columns:1fr 1fr}.metric{padding:20px 15px}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}section{padding:70px 0}.section-head{display:block}.section-head p{margin-top:15px}.rail-card{min-width:78vw}.check-list{grid-template-columns:1fr}.plan-grid{grid-template-columns:1fr}.footer-top,.cta-box{display:block}.footer-links{margin-top:25px;flex-wrap:wrap}.cta-actions{margin-top:25px;flex-wrap:wrap}.cta-actions a{flex:1}.copyright{display:block}.copyright span{display:block;margin-top:8px}}
    @media(max-width:390px){h1{font-size:34px}.hero-actions a{width:100%}.metric b{font-size:19px}}

/* roulang page: category2 */
:root{
      --bg:#f7f6f1;
      --bg-soft:#eef4ef;
      --panel:#ffffff;
      --panel-2:#f9faf7;
      --ink:#18201d;
      --muted:#66706b;
      --weak:#8a948f;
      --line:#e2e7e1;
      --primary:#1f3a32;
      --primary-dark:#13251f;
      --mint:#a8d8c0;
      --mint-soft:#dff2e8;
      --amber:#f3c987;
      --orange-soft:#fff4df;
      --shadow:0 18px 50px rgba(24,32,29,.08);
      --shadow-hover:0 24px 70px rgba(24,32,29,.14);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      background:var(--bg);
      color:var(--ink);
      line-height:1.75;
      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{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(168,216,192,.8);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(247,246,241,.92);
      backdrop-filter:saturate(160%) blur(14px);
      border-bottom:1px solid var(--line);
    }
    .nav-wrap{
      height:82px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:800;
      letter-spacing:-.02em;
      color:var(--ink);
      white-space:nowrap;
    }
    .brand i{
      width:12px;
      height:12px;
      border-radius:999px;
      display:inline-block;
      background:linear-gradient(135deg,var(--primary),var(--mint));
      box-shadow:0 0 0 6px rgba(168,216,192,.25);
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      color:#2f3a35;
      font-size:15px;
    }
    .nav-links a{
      position:relative;
      padding:9px 13px;
      border-radius:999px;
      white-space:nowrap;
    }
    .nav-links a:not(.nav-cta):hover{
      background:rgba(31,58,50,.06);
      color:var(--primary-dark);
    }
    .nav-links a.active{
      background:#fff;
      box-shadow:inset 0 0 0 1px var(--line);
      color:var(--primary-dark);
      font-weight:700;
    }
    .nav-links a.active::after{
      content:"";
      position:absolute;
      left:50%;
      transform:translateX(-50%);
      bottom:5px;
      width:18px;
      height:2px;
      border-radius:20px;
      background:var(--mint);
    }
    .nav-cta{
      margin-left:8px;
      background:var(--primary);
      color:#fff!important;
      border:1px solid var(--primary);
      box-shadow:0 10px 24px rgba(31,58,50,.16);
    }
    .nav-cta:hover{
      transform:translateY(-1px);
      background:var(--primary-dark);
      box-shadow:0 14px 28px rgba(31,58,50,.22);
    }
    .menu-btn{
      display:none;
      width:42px;
      height:42px;
      border:1px solid var(--line);
      border-radius:999px;
      background:#fff;
      color:var(--ink);
      line-height:1;
    }

    .page-hero{
      padding:40px 0 46px;
      background:
        radial-gradient(circle at 18% 10%,rgba(168,216,192,.32),transparent 28%),
        linear-gradient(180deg,#fbfaf6 0%,#eef4ef 100%);
      border-bottom:1px solid var(--line);
    }
    .crumb{
      display:flex;
      align-items:center;
      gap:8px;
      color:var(--muted);
      font-size:14px;
      margin-bottom:24px;
    }
    .crumb a:hover{color:var(--primary);text-decoration:underline}
    .hero-banner{
      min-height:270px;
      display:grid;
      grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);
      gap:28px;
      align-items:stretch;
    }
    .hero-copy{
      padding:36px;
      border-radius:var(--radius-xl);
      background:rgba(255,255,255,.72);
      border:1px solid rgba(226,231,225,.85);
      box-shadow:var(--shadow);
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(31,58,50,.13);
      border-radius:999px;
      background:rgba(223,242,232,.58);
      color:var(--primary);
      font-size:13px;
      font-weight:700;
      margin-bottom:16px;
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:999px;
      background:var(--mint);
      box-shadow:0 0 0 4px rgba(168,216,192,.24);
    }
    h1{
      margin:0;
      font-size:clamp(30px,4vw,52px);
      line-height:1.13;
      letter-spacing:-.04em;
      font-weight:800;
      color:var(--ink);
      max-width:820px;
    }
    .hero-copy p{
      margin:18px 0 0;
      max-width:780px;
      color:var(--muted);
      font-size:17px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 20px;
      border-radius:999px;
      font-weight:700;
      font-size:15px;
      border:1px solid transparent;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
    }
    .btn-primary{
      background:var(--primary);
      color:#fff;
      box-shadow:0 14px 30px rgba(31,58,50,.18);
    }
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 20px 42px rgba(31,58,50,.24)}
    .btn-secondary{
      background:#fff;
      color:var(--primary);
      border-color:var(--line);
    }
    .btn-secondary:hover{background:var(--mint-soft);border-color:rgba(31,58,50,.15);transform:translateY(-2px)}
    .status-panel{
      border-radius:var(--radius-xl);
      background:var(--primary-dark);
      color:#fff;
      overflow:hidden;
      box-shadow:0 26px 70px rgba(19,37,31,.22);
      position:relative;
    }
    .status-panel::before{
      content:"";
      position:absolute;
      inset:-80px -80px auto auto;
      width:210px;
      height:210px;
      background:radial-gradient(circle,rgba(168,216,192,.5),transparent 65%);
    }
    .panel-inner{position:relative;padding:26px}
    .panel-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding-bottom:18px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .panel-head strong{font-size:18px}
    .state-badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(168,216,192,.15);
      color:#dcf6e8;
      font-size:12px;
      border:1px solid rgba(168,216,192,.24);
    }
    .state-badge::before{content:"";width:7px;height:7px;border-radius:999px;background:var(--mint)}
    .check-list{
      display:grid;
      gap:12px;
      margin:20px 0;
    }
    .check-item{
      display:flex;
      gap:11px;
      padding:13px;
      border-radius:16px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.1);
    }
    .check-item span{
      flex:0 0 auto;
      width:24px;
      height:24px;
      display:grid;
      place-items:center;
      border-radius:999px;
      background:rgba(168,216,192,.18);
      color:#dff2e8;
      font-weight:800;
      font-size:12px;
    }
    .check-item b{display:block;font-size:14px;color:#fff}
    .check-item em{display:block;font-style:normal;color:rgba(255,255,255,.66);font-size:12px;margin-top:2px}
    .panel-note{
      padding:14px;
      border-radius:16px;
      background:rgba(243,201,135,.13);
      border:1px solid rgba(243,201,135,.24);
      color:#ffe8bd;
      font-size:13px;
    }

    main{overflow:hidden}
    section{padding:84px 0}
    .section-kicker{
      color:var(--primary);
      font-weight:800;
      font-size:13px;
      letter-spacing:.04em;
      margin-bottom:10px;
    }
    .section-row{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:30px;
    }
    h2{
      margin:0;
      font-size:clamp(26px,3vw,36px);
      line-height:1.22;
      letter-spacing:-.03em;
      color:var(--ink);
      font-weight:800;
    }
    .section-row p,.section-lead{
      margin:0;
      max-width:560px;
      color:var(--muted);
      font-size:16px;
    }

    .issue-matrix{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
    }
    .issue-card{
      position:relative;
      padding:22px;
      min-height:184px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 10px 30px rgba(24,32,29,.04);
      transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
      overflow:hidden;
    }
    .issue-card::after{
      content:"";
      position:absolute;
      right:-36px;
      bottom:-42px;
      width:120px;
      height:120px;
      border-radius:40px;
      background:linear-gradient(135deg,rgba(168,216,192,.42),rgba(31,58,50,.06));
      transform:rotate(18deg);
    }
    .issue-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(31,58,50,.18)}
    .issue-icon{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:var(--mint-soft);
      color:var(--primary);
      font-weight:900;
      margin-bottom:16px;
      position:relative;
      z-index:1;
    }
    .issue-card h3{margin:0 0 8px;font-size:18px;line-height:1.35;font-weight:800;position:relative;z-index:1}
    .issue-card p{margin:0;color:var(--muted);font-size:14px;position:relative;z-index:1}

    .dark-section{
      background:#101b17;
      color:#fff;
      position:relative;
    }
    .dark-section::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 12% 20%,rgba(168,216,192,.18),transparent 28%),
        linear-gradient(180deg,rgba(255,255,255,.04),transparent);
      pointer-events:none;
    }
    .dark-section .container{position:relative}
    .dark-section h2{color:#fff}
    .dark-section .section-row p,.dark-section .section-lead{color:rgba(255,255,255,.67)}
    .faq-layout{
      display:grid;
      grid-template-columns:290px minmax(0,1fr);
      gap:24px;
      align-items:start;
    }
    .faq-tabs{
      position:sticky;
      top:104px;
      padding:14px;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.12);
    }
    .faq-tab{
      display:flex;
      align-items:center;
      justify-content:space-between;
      width:100%;
      padding:14px;
      border:0;
      border-radius:15px;
      background:transparent;
      color:rgba(255,255,255,.7);
      text-align:left;
      transition:background .22s ease,color .22s ease;
    }
    .faq-tab + .faq-tab{margin-top:6px}
    .faq-tab.active,.faq-tab:hover{
      background:rgba(168,216,192,.14);
      color:#fff;
    }
    .faq-groups{
      display:grid;
      gap:16px;
    }
    .faq-group{
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.12);
      overflow:hidden;
    }
    .faq-group-title{
      padding:20px 22px;
      border-bottom:1px solid rgba(255,255,255,.1);
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
    }
    .faq-group-title h3{margin:0;font-size:20px;font-weight:800}
    .faq-count{
      padding:5px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      color:rgba(255,255,255,.72);
      font-size:12px;
    }
    .accordion-item + .accordion-item{border-top:1px solid rgba(255,255,255,.1)}
    .accordion-btn{
      width:100%;
      border:0;
      background:transparent;
      color:#fff;
      text-align:left;
      padding:18px 22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      font-weight:750;
    }
    .accordion-btn span:first-child{display:flex;align-items:center;gap:10px}
    .accordion-btn span:first-child::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--mint);
      opacity:.8;
    }
    .accordion-btn .plus{
      width:28px;
      height:28px;
      flex:0 0 auto;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      display:grid;
      place-items:center;
      transition:transform .22s ease,background .22s ease;
    }
    .accordion-item.open .plus{transform:rotate(45deg);background:rgba(168,216,192,.18)}
    .accordion-content{
      display:none;
      padding:0 22px 20px 39px;
      color:rgba(255,255,255,.68);
      font-size:15px;
    }
    .accordion-item.open .accordion-content{display:block}
    .accordion-content p{margin:0}
    .accordion-content ul{margin:10px 0 0;padding-left:18px}
    .accordion-content li{margin:4px 0}

    .assist-section{background:var(--bg-soft)}
    .assist-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:22px;
      align-items:start;
    }
    .timeline{
      display:grid;
      gap:14px;
    }
    .timeline-item{
      display:grid;
      grid-template-columns:58px minmax(0,1fr) auto;
      gap:16px;
      align-items:center;
      padding:18px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:0 12px 30px rgba(24,32,29,.04);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .timeline-item:hover{transform:translateX(4px);border-color:rgba(31,58,50,.2);box-shadow:var(--shadow)}
    .num{
      width:46px;
      height:46px;
      display:grid;
      place-items:center;
      border-radius:16px;
      background:#13251f;
      color:#dff2e8;
      font-weight:900;
    }
    .timeline-item h3{margin:0 0 4px;font-size:18px;font-weight:800}
    .timeline-item p{margin:0;color:var(--muted);font-size:14px}
    .status-tag{
      padding:6px 10px;
      border-radius:999px;
      background:var(--mint-soft);
      color:var(--primary);
      font-size:12px;
      font-weight:800;
      white-space:nowrap;
    }
    .side-note{
      padding:24px;
      border-radius:var(--radius-xl);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .side-note h3{margin:0 0 14px;font-size:20px;font-weight:800}
    .note-list{display:grid;gap:11px;margin:0;padding:0;list-style:none}
    .note-list li{
      display:flex;
      gap:10px;
      color:var(--muted);
      font-size:14px;
      padding-bottom:11px;
      border-bottom:1px solid var(--line);
    }
    .note-list li:last-child{border-bottom:0;padding-bottom:0}
    .note-list li::before{content:"✓";color:var(--primary);font-weight:900}

    .track-wrap{
      margin-top:22px;
      overflow-x:auto;
      padding:6px 0 18px;
      scrollbar-width:thin;
      scrollbar-color:rgba(31,58,50,.28) transparent;
    }
    .track{
      display:flex;
      gap:18px;
      min-width:max-content;
    }
    .track-card{
      width:330px;
      min-height:230px;
      border-radius:var(--radius-xl);
      overflow:hidden;
      position:relative;
      background:#dfe9e3;
      box-shadow:0 12px 30px rgba(24,32,29,.06);
      transition:transform .26s ease,box-shadow .26s ease;
    }
    .track-card:hover{transform:scale(1.04);box-shadow:var(--shadow-hover)}
    .track-art{
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg,rgba(31,58,50,.08),rgba(168,216,192,.38)),
        radial-gradient(circle at 80% 20%,rgba(255,255,255,.85),transparent 28%);
    }
    .track-art::before,.track-art::after{
      content:"";
      position:absolute;
      border-radius:22px;
      background:rgba(255,255,255,.5);
      border:1px solid rgba(255,255,255,.65);
    }
    .track-art::before{width:140px;height:74px;left:24px;top:28px}
    .track-art::after{width:190px;height:32px;right:24px;top:126px}
    .track-info{
      position:absolute;
      left:14px;
      right:14px;
      bottom:14px;
      padding:16px;
      border-radius:20px;
      background:rgba(15,23,42,.82);
      color:#fff;
      backdrop-filter:blur(8px);
    }
    .track-info small{
      display:inline-flex;
      padding:4px 8px;
      border-radius:999px;
      background:rgba(168,216,192,.18);
      color:#dff2e8;
      margin-bottom:8px;
      font-weight:750;
    }
    .track-info h3{margin:0 0 6px;font-size:18px;font-weight:800}
    .track-info p{margin:0;color:rgba(255,255,255,.72);font-size:13px;line-height:1.55}
    .track-info a{display:inline-flex;margin-top:10px;color:#dff2e8;font-weight:800;font-size:13px}
    .track-info a:hover{transform:translateX(3px)}

    .compare-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
    }
    .compare-card{
      padding:26px;
      border-radius:var(--radius-xl);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .compare-card.warn{background:var(--orange-soft);border-color:rgba(243,201,135,.42)}
    .compare-card h3{margin:0 0 16px;font-size:22px;font-weight:850}
    .compare-list{margin:0;padding:0;list-style:none;display:grid;gap:12px}
    .compare-list li{
      display:flex;
      gap:10px;
      color:var(--muted);
      font-size:15px;
    }
    .compare-list li::before{
      content:"";
      width:9px;
      height:9px;
      border-radius:50%;
      flex:0 0 auto;
      margin-top:9px;
      background:var(--mint);
    }
    .compare-card.warn .compare-list li::before{background:var(--amber)}

    .cta{
      padding:82px 0;
      background:
        radial-gradient(circle at 20% 20%,rgba(168,216,192,.24),transparent 28%),
        linear-gradient(135deg,#14231f,#0d1714);
      color:#fff;
    }
    .cta-box{
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      align-items:center;
      gap:24px;
    }
    .cta h2{color:#fff;margin-bottom:10px}
    .cta p{margin:0;color:rgba(255,255,255,.68);max-width:680px}
    .cta .btn-secondary{
      background:transparent;
      color:#fff;
      border-color:rgba(255,255,255,.24);
    }
    .cta .btn-secondary:hover{background:rgba(255,255,255,.08)}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}

    footer{
      padding:44px 0 30px;
      background:#fbfaf6;
      border-top:1px solid var(--line);
      color:var(--muted);
    }
    .footer-top{
      display:flex;
      justify-content:space-between;
      gap:36px;
      align-items:flex-start;
      padding-bottom:28px;
      border-bottom:1px solid var(--line);
    }
    .footer-brand{
      color:var(--ink);
      font-weight:850;
      font-size:20px;
      margin-bottom:8px;
    }
    .footer-top p{margin:0;max-width:420px}
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px 18px;
      justify-content:flex-end;
      font-size:14px;
    }
    .footer-links a:hover{color:var(--primary);text-decoration:underline}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:16px;
      padding-top:22px;
      font-size:13px;
      color:var(--weak);
    }

    @media (max-width:1024px){
      .hero-banner,.assist-grid,.faq-layout{grid-template-columns:1fr}
      .faq-tabs{position:relative;top:auto;display:grid;grid-template-columns:repeat(2,1fr)}
      .issue-matrix{grid-template-columns:repeat(2,minmax(0,1fr))}
      .cta-box{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .nav-wrap{height:72px}
      .menu-btn{display:grid;place-items:center}
      .nav-links{
        position:absolute;
        left:14px;
        right:14px;
        top:78px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:12px;
        border:1px solid var(--line);
        border-radius:22px;
        background:rgba(255,255,255,.96);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .nav-cta{margin-left:0;text-align:center}
      .page-hero{padding:28px 0 36px}
      .hero-copy{padding:24px}
      .panel-inner{padding:22px}
      section{padding:62px 0}
      .section-row{display:block}
      .section-row p{margin-top:12px}
      .timeline-item{grid-template-columns:48px minmax(0,1fr);gap:12px}
      .timeline-item .status-tag{grid-column:2;justify-self:start}
      .compare-grid{grid-template-columns:1fr}
      .footer-top,.copyright{flex-direction:column}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:520px){
      .issue-matrix{grid-template-columns:1fr}
      .faq-tabs{grid-template-columns:1fr}
      .hero-actions,.cta-actions{flex-direction:column}
      .btn{width:100%}
      .track-card{width:78vw}
      .brand{font-size:15px}
      .hero-copy p{font-size:15px}
      .crumb{font-size:13px;flex-wrap:wrap}
    }

/* roulang page: category1 */
:root{
      --bg:#fbfaf6;
      --bg-soft:#f3f6f2;
      --bg-mint:#eaf2ec;
      --ink:#111827;
      --muted:#5f6b63;
      --weak:#88918b;
      --line:#e2e7df;
      --card:#ffffff;
      --dark:#17211d;
      --dark-2:#0f1714;
      --accent:#77a88f;
      --accent-2:#dbeade;
      --amber:#d49b55;
      --shadow:0 18px 50px rgba(17,24,39,.08);
      --shadow-hover:0 24px 70px rgba(17,24,39,.14);
      --radius:24px;
      --radius-sm:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 12% 6%, rgba(119,168,143,.18), transparent 30%),
        linear-gradient(180deg,#fbfaf6 0%,#f7f8f4 46%,#fbfaf6 100%);
      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{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(251,250,246,.9);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(226,231,223,.86);
    }
    .nav-wrap{
      min-height:82px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:800;
      letter-spacing:-.02em;
      color:var(--dark);
      white-space:nowrap;
      font-size:18px;
    }
    .brand i{
      width:12px;
      height:12px;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 0 6px rgba(119,168,143,.14);
      display:inline-block;
    }
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:8px;
      color:#24302a;
      font-size:14px;
    }
    .nav-links a{
      position:relative;
      padding:10px 13px;
      border-radius:999px;
      transition:background .22s ease,color .22s ease,transform .22s ease;
      white-space:nowrap;
    }
    .nav-links a:not(.nav-cta):hover{
      background:rgba(119,168,143,.10);
      color:var(--dark);
      transform:translateY(-1px);
    }
    .nav-links a.active{
      background:#fff;
      box-shadow:inset 0 0 0 1px rgba(119,168,143,.34);
    }
    .nav-links a.active:after{
      content:"";
      position:absolute;
      left:50%;
      bottom:5px;
      width:18px;
      height:2px;
      border-radius:999px;
      background:var(--accent);
      transform:translateX(-50%);
    }
    .nav-cta{
      margin-left:8px;
      background:var(--dark);
      color:#fff!important;
      box-shadow:0 12px 30px rgba(17,24,39,.12);
    }
    .nav-cta:hover{background:#0b120f;transform:translateY(-2px)}
    .menu-btn{
      display:none;
      width:42px;
      height:42px;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
      color:var(--dark);
      transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
    }
    .menu-btn:hover,.menu-btn:focus{border-color:var(--accent);box-shadow:0 12px 28px rgba(17,24,39,.08);outline:none}
    main{overflow:hidden}
    .section{padding:92px 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(119,168,143,.28);
      border-radius:999px;
      background:rgba(255,255,255,.72);
      color:#48695a;
      font-size:13px;
      font-weight:700;
    }
    .eyebrow:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:999px;
      background:var(--accent);
    }
    .inner-hero{
      padding:72px 0 56px;
      background:
        linear-gradient(135deg,rgba(234,242,236,.84),rgba(255,255,255,.58)),
        radial-gradient(circle at 82% 20%,rgba(119,168,143,.22),transparent 34%);
      border-bottom:1px solid rgba(226,231,223,.8);
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      font-size:13px;
      color:var(--muted);
      margin-bottom:18px;
    }
    .breadcrumb a:hover{color:var(--dark);text-decoration:underline;text-underline-offset:4px}
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.12fr) minmax(360px,.88fr);
      gap:42px;
      align-items:center;
    }
    h1{
      margin:18px 0 18px;
      font-size:clamp(32px,4.2vw,52px);
      line-height:1.12;
      letter-spacing:-.05em;
      font-weight:800;
      color:var(--dark-2);
      max-width:820px;
    }
    .lead{
      margin:0;
      color:var(--muted);
      font-size:17px;
      max-width:730px;
    }
    .quick-check{
      margin-top:28px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:10px;
      max-width:650px;
      padding:8px;
      border:1px solid rgba(119,168,143,.26);
      border-radius:18px;
      background:rgba(255,255,255,.82);
      box-shadow:0 16px 42px rgba(17,24,39,.06);
    }
    .quick-check input{
      width:100%;
      border:0;
      background:transparent;
      padding:13px 14px;
      color:var(--ink);
      outline:none;
    }
    .quick-check:focus-within{
      border-color:var(--accent);
      box-shadow:0 0 0 4px rgba(119,168,143,.14),0 16px 42px rgba(17,24,39,.07);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:750;
      transition:transform .22s ease,background .22s ease,border-color .22s ease,box-shadow .22s ease,color .22s ease;
      white-space:nowrap;
    }
    .btn-primary{background:var(--dark);color:#fff;box-shadow:0 16px 34px rgba(17,24,39,.14)}
    .btn-primary:hover{background:#080e0b;transform:translateY(-2px);box-shadow:0 22px 46px rgba(17,24,39,.18)}
    .btn-secondary{background:#fff;color:var(--dark);border-color:var(--line)}
    .btn-secondary:hover{border-color:rgba(119,168,143,.42);background:var(--accent-2);transform:translateY(-2px)}
    .btn:focus{outline:3px solid rgba(119,168,143,.28);outline-offset:3px}
    .status-panel{
      border-radius:30px;
      background:var(--dark);
      color:#fff;
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .status-panel:before{
      content:"";
      position:absolute;
      inset:-80px -100px auto auto;
      width:230px;
      height:230px;
      border-radius:50%;
      background:rgba(119,168,143,.28);
      filter:blur(8px);
    }
    .panel-head{
      position:relative;
      padding:24px;
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:16px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .panel-title{font-size:18px;font-weight:800;margin:0 0 4px}
    .panel-sub{margin:0;color:rgba(255,255,255,.68);font-size:13px}
    .pulse{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.10);
      color:#d7efe1;
      font-size:12px;
      white-space:nowrap;
    }
    .pulse:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:999px;
      background:#8ed2a6;
      box-shadow:0 0 0 5px rgba(142,210,166,.16);
    }
    .panel-body{position:relative;padding:22px 24px 24px}
    .step-mini{
      display:grid;
      gap:12px;
    }
    .step-mini li{
      list-style:none;
      display:grid;
      grid-template-columns:32px 1fr;
      gap:12px;
      align-items:start;
      padding:12px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:16px;
      background:rgba(255,255,255,.06);
    }
    .step-mini span{
      width:32px;
      height:32px;
      border-radius:12px;
      display:grid;
      place-items:center;
      color:#122019;
      background:#dcefe3;
      font-weight:800;
      font-size:13px;
    }
    .step-mini strong{display:block;font-size:14px;margin-bottom:2px}
    .step-mini p{margin:0;color:rgba(255,255,255,.66);font-size:13px;line-height:1.55}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:28px;
      margin-bottom:28px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(26px,3vw,36px);
      line-height:1.18;
      letter-spacing:-.035em;
      font-weight:800;
      color:var(--dark);
    }
    .section-head p{margin:10px 0 0;color:var(--muted);max-width:680px}
    .filter-bar{
      display:flex;
      gap:10px;
      overflow-x:auto;
      padding:2px 2px 14px;
      scrollbar-width:thin;
      scrollbar-color:rgba(119,168,143,.45) transparent;
    }
    .filter-chip{
      flex:0 0 auto;
      padding:10px 14px;
      border-radius:999px;
      border:1px solid var(--line);
      background:#fff;
      color:#435148;
      font-size:14px;
      transition:background .22s ease,border-color .22s ease,transform .22s ease;
    }
    .filter-chip.active,.filter-chip:hover{
      background:var(--dark);
      color:#fff;
      border-color:var(--dark);
      transform:translateY(-1px);
    }
    .guide-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:26px;
      align-items:start;
    }
    .guide-list{
      display:grid;
      gap:14px;
    }
    .guide-card{
      display:grid;
      grid-template-columns:62px 1fr auto;
      gap:18px;
      align-items:center;
      padding:20px;
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(255,255,255,.84);
      box-shadow:0 12px 34px rgba(17,24,39,.045);
      transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease,background .24s ease;
    }
    .guide-card:hover{
      transform:translateY(-4px);
      border-color:rgba(119,168,143,.44);
      box-shadow:var(--shadow);
      background:#fff;
    }
    .guide-num{
      width:54px;
      height:54px;
      border-radius:18px;
      display:grid;
      place-items:center;
      background:var(--accent-2);
      color:#315442;
      font-weight:850;
      letter-spacing:-.03em;
    }
    .guide-card h3{margin:0 0 6px;font-size:19px;font-weight:800;color:var(--dark)}
    .guide-card p{margin:0;color:var(--muted);font-size:15px;line-height:1.7}
    .status-badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      background:#f5f7f3;
      border:1px solid var(--line);
      color:#496356;
      font-size:12px;
      white-space:nowrap;
    }
    .arrow{
      width:36px;
      height:36px;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:var(--dark);
      color:#fff;
      transition:transform .24s ease;
    }
    .guide-card:hover .arrow{transform:translateX(3px)}
    .side-panel{
      position:sticky;
      top:104px;
      display:grid;
      gap:16px;
    }
    .notice-card,.check-card{
      padding:22px;
      border-radius:24px;
      border:1px solid var(--line);
      background:#fff;
      box-shadow:0 12px 34px rgba(17,24,39,.05);
    }
    .notice-card{
      background:linear-gradient(180deg,#ffffff,#f7faf6);
    }
    .notice-card h3,.check-card h3{margin:0 0 10px;font-size:18px;font-weight:850;color:var(--dark)}
    .notice-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
    .meta-line{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding-top:14px;
      margin-top:14px;
      border-top:1px solid var(--line);
      color:var(--weak);
      font-size:13px;
    }
    .check-list{
      margin:14px 0 0;
      padding:0;
      display:grid;
      gap:10px;
    }
    .check-list li{
      list-style:none;
      display:flex;
      gap:10px;
      color:var(--muted);
      font-size:14px;
      line-height:1.55;
    }
    .check-list li:before{
      content:"✓";
      flex:0 0 20px;
      width:20px;
      height:20px;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:var(--accent-2);
      color:#315442;
      font-size:12px;
      font-weight:800;
      margin-top:2px;
    }
    .dark-section{
      background:var(--dark);
      color:#fff;
      position:relative;
    }
    .dark-section:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 20% 12%,rgba(119,168,143,.22),transparent 28%),
        linear-gradient(90deg,rgba(255,255,255,.04),transparent);
      pointer-events:none;
    }
    .dark-section .container{position:relative}
    .dark-section .section-head h2{color:#fff}
    .dark-section .section-head p{color:rgba(255,255,255,.66)}
    .scenario-grid{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:24px;
    }
    .scenario-tabs{
      display:grid;
      gap:12px;
    }
    .scenario-tab{
      padding:18px;
      border-radius:20px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.10);
      transition:background .22s ease,transform .22s ease,border-color .22s ease;
    }
    .scenario-tab:hover,.scenario-tab.active{
      background:rgba(255,255,255,.12);
      border-color:rgba(220,239,227,.34);
      transform:translateY(-2px);
    }
    .scenario-tab strong{display:block;margin-bottom:5px}
    .scenario-tab span{display:block;color:rgba(255,255,255,.62);font-size:14px;line-height:1.6}
    .scenario-detail{
      border-radius:28px;
      padding:26px;
      background:#f8faf7;
      color:var(--ink);
      min-height:100%;
    }
    .scenario-detail h3{margin:0 0 12px;font-size:22px;font-weight:850;color:var(--dark)}
    .scenario-detail p{margin:0 0 18px;color:var(--muted)}
    .detail-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
    }
    .detail-item{
      padding:16px;
      border:1px solid var(--line);
      border-radius:18px;
      background:#fff;
    }
    .detail-item b{display:block;color:var(--dark);margin-bottom:4px}
    .detail-item span{display:block;color:var(--muted);font-size:14px;line-height:1.6}
    .track{
      display:flex;
      gap:18px;
      overflow-x:auto;
      padding:4px 2px 20px;
      scroll-snap-type:x proximity;
      scrollbar-width:thin;
      scrollbar-color:rgba(119,168,143,.42) transparent;
    }
    .track-card{
      flex:0 0 330px;
      min-height:218px;
      border-radius:26px;
      overflow:hidden;
      position:relative;
      background:#dfeae2;
      box-shadow:0 14px 36px rgba(17,24,39,.08);
      scroll-snap-align:start;
      transition:transform .28s ease,box-shadow .28s ease;
    }
    .track-card:hover{
      transform:scale(1.035) translateY(-3px);
      box-shadow:var(--shadow-hover);
    }
    .track-art{
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 20% 20%,rgba(255,255,255,.78),transparent 28%),
        linear-gradient(135deg,rgba(119,168,143,.5),rgba(23,33,29,.12)),
        repeating-linear-gradient(90deg,rgba(255,255,255,.18) 0,rgba(255,255,255,.18) 1px,transparent 1px,transparent 18px);
    }
    .track-card:nth-child(2) .track-art{background:linear-gradient(135deg,#eef3ef,#bfd6c8),radial-gradient(circle at 70% 20%,#fff,transparent 30%)}
    .track-card:nth-child(3) .track-art{background:linear-gradient(135deg,#f6efe5,#cadbd1),radial-gradient(circle at 30% 20%,#fff,transparent 34%)}
    .track-card:nth-child(4) .track-art{background:linear-gradient(135deg,#e7eee8,#a9c5b5),repeating-linear-gradient(0deg,rgba(255,255,255,.2) 0,rgba(255,255,255,.2) 1px,transparent 1px,transparent 20px)}
    .track-info{
      position:absolute;
      left:14px;
      right:14px;
      bottom:14px;
      padding:16px;
      border-radius:20px;
      background:rgba(15,23,20,.84);
      color:#fff;
      backdrop-filter:blur(10px);
    }
    .track-info small{
      display:inline-flex;
      margin-bottom:8px;
      color:#cfe6d8;
      font-weight:750;
      font-size:12px;
    }
    .track-info h3{margin:0 0 5px;font-size:18px;font-weight:850}
    .track-info p{margin:0;color:rgba(255,255,255,.68);font-size:13px;line-height:1.55}
    .process-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .process-card{
      padding:24px;
      border:1px solid var(--line);
      border-radius:24px;
      background:#fff;
      box-shadow:0 12px 34px rgba(17,24,39,.045);
      transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
    }
    .process-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow);
      border-color:rgba(119,168,143,.42);
    }
    .process-card .tag{
      display:inline-flex;
      padding:6px 10px;
      border-radius:999px;
      background:var(--accent-2);
      color:#315442;
      font-size:12px;
      font-weight:800;
      margin-bottom:14px;
    }
    .process-card h3{margin:0 0 8px;font-size:20px;font-weight:850;color:var(--dark)}
    .process-card p{margin:0;color:var(--muted)}
    .faq-list{
      display:grid;
      gap:12px;
      max-width:940px;
    }
    .faq-item{
      border:1px solid var(--line);
      border-radius:20px;
      background:#fff;
      overflow:hidden;
      transition:border-color .22s ease,box-shadow .22s ease;
    }
    .faq-item:hover{border-color:rgba(119,168,143,.44);box-shadow:0 14px 34px rgba(17,24,39,.05)}
    .faq-question{
      width:100%;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      padding:20px 22px;
      border:0;
      background:#fff;
      color:var(--dark);
      text-align:left;
      font-weight:850;
    }
    .faq-question span:last-child{
      width:26px;
      height:26px;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:#f1f5f0;
      color:#315442;
      transition:transform .22s ease;
      flex:0 0 auto;
    }
    .faq-answer{
      display:none;
      padding:0 22px 20px 22px;
      color:var(--muted);
      border-left:3px solid var(--accent);
      margin-left:22px;
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);background:var(--accent-2)}
    .cta{
      border-radius:34px;
      padding:42px;
      background:
        radial-gradient(circle at 88% 16%,rgba(119,168,143,.3),transparent 28%),
        linear-gradient(135deg,#17211d,#0f1714);
      color:#fff;
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
      box-shadow:var(--shadow);
    }
    .cta h2{margin:0 0 10px;font-size:clamp(26px,3vw,38px);line-height:1.18;font-weight:850;letter-spacing:-.035em}
    .cta p{margin:0;color:rgba(255,255,255,.68);max-width:720px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .cta .btn-primary{background:#fff;color:var(--dark)}
    .cta .btn-primary:hover{background:#eaf2ec}
    .cta .btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
    .cta .btn-secondary:hover{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.46)}
    footer{
      padding:44px 0 34px;
      background:#fbfaf6;
      border-top:1px solid var(--line);
      color:var(--muted);
    }
    .footer-top{
      display:flex;
      justify-content:space-between;
      gap:36px;
      align-items:flex-start;
      padding-bottom:26px;
    }
    .footer-brand{
      color:var(--dark);
      font-size:18px;
      font-weight:850;
      margin-bottom:8px;
    }
    footer p{margin:0;max-width:420px;font-size:14px}
    .footer-links{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .footer-links a{
      padding:8px 10px;
      border-radius:999px;
      font-size:14px;
      transition:background .22s ease,color .22s ease;
    }
    .footer-links a:hover{background:var(--accent-2);color:var(--dark)}
    .copyright{
      border-top:1px solid var(--line);
      padding-top:18px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      font-size:13px;
      color:var(--weak);
    }
    @media (max-width:1024px){
      .hero-grid,.guide-layout,.scenario-grid,.process-wrap{grid-template-columns:1fr}
      .side-panel{position:static}
      .section{padding:72px 0}
      .status-panel{max-width:680px}
      .cta{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .nav-wrap{min-height:70px}
      .menu-btn{display:grid;place-items:center}
      .nav-links{
        position:absolute;
        left:14px;
        right:14px;
        top:78px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:12px;
        background:rgba(255,255,255,.96);
        border:1px solid var(--line);
        border-radius:22px;
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .nav-cta{margin-left:0;text-align:center}
      .inner-hero{padding:48px 0 42px}
      .quick-check{grid-template-columns:1fr}
      .quick-check .btn{width:100%}
      .guide-card{grid-template-columns:48px 1fr;align-items:start}
      .guide-num{width:46px;height:46px;border-radius:15px}
      .guide-card .arrow{grid-column:2;width:100%;height:40px}
      .detail-grid{grid-template-columns:1fr}
      .track-card{flex-basis:82vw}
      .section-head{display:block}
      .cta{padding:28px;border-radius:28px}
      .footer-top{display:grid}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:520px){
      .brand{font-size:16px}
      .section{padding:58px 0}
      .section-tight{padding:46px 0}
      .lead{font-size:15px}
      .panel-head{display:grid}
      .guide-card{padding:16px;gap:12px}
      .status-badge{display:none}
      .scenario-detail{padding:20px;border-radius:22px}
      .process-card{padding:20px}
      .faq-question{padding:18px}
      .faq-answer{padding-right:18px;margin-left:18px}
      .copyright{display:grid}
    }