/* roulang page: index */
:root{
      --primary:#0F5D56;
      --primary-2:#116A60;
      --primary-dark:#0A443F;
      --amber:#D9902F;
      --soft:#E7F2EF;
      --soft-2:#F0F7F4;
      --bg:#F7FAF8;
      --surface:#FFFFFF;
      --title:#172321;
      --text:#3D4B48;
      --muted:#6D7A77;
      --line:#DCE7E4;
      --success:#1E9B6C;
      --warning:#D9902F;
      --danger:#C95445;
      --info:#3F7E9F;
      --footer:#102622;
      --radius-sm:12px;
      --radius:18px;
      --radius-lg:26px;
      --shadow:0 12px 30px rgba(24,55,48,.08);
      --shadow-lg:0 22px 55px rgba(24,55,48,.12);
      --container:1220px;
      --ease:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Source Han Sans SC,Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 0%, rgba(231,242,239,.9), transparent 34%),
        radial-gradient(circle at 92% 8%, rgba(217,144,47,.12), transparent 28%),
        var(--bg);
      line-height:1.75;
      font-size:16px;
      padding-bottom:0;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img,svg{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(15,93,86,.18);color:var(--primary-dark)}
    .container{width:min(100% - 64px,var(--container));margin:0 auto}
    .section{padding:94px 0}
    .section.compact{padding:72px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--primary);background:rgba(15,93,86,.08);
      border:1px solid rgba(15,93,86,.12);
      padding:7px 13px;border-radius:999px;font-size:14px;font-weight:650;
    }
    .eyebrow:before{
      content:"";width:8px;height:8px;border-radius:50%;background:var(--amber);
      box-shadow:0 0 0 5px rgba(217,144,47,.14);
    }
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{color:var(--title);letter-spacing:-.02em}
    h1{font-size:54px;line-height:1.15;margin-bottom:22px}
    h2{font-size:38px;line-height:1.25;margin-bottom:16px}
    h3{font-size:22px;line-height:1.35;margin-bottom:10px}
    p{margin-bottom:0}
    .lead{font-size:18px;color:var(--muted);line-height:1.85}
    .muted{color:var(--muted)}
    .site-header{
      position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);
      backdrop-filter:saturate(160%) blur(16px);
      border-bottom:1px solid rgba(220,231,228,.78);
    }
    .nav{
      height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:max-content}
    .brand-mark{
      width:42px;height:42px;border-radius:15px;background:linear-gradient(145deg,var(--primary),#1c8175);
      display:grid;place-items:center;box-shadow:0 12px 24px rgba(15,93,86,.22);
      position:relative;overflow:hidden;
    }
    .brand-mark svg{width:25px;height:25px;color:#fff}
    .brand-mark:after{
      content:"";position:absolute;inset:7px;border:1px solid rgba(255,255,255,.28);border-radius:11px;
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.12}
    .brand-name{font-size:18px;font-weight:800;color:var(--title)}
    .brand-sub{font-size:12px;color:var(--muted);margin-top:3px}
    .nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
    .nav-link{
      position:relative;padding:10px 14px;border-radius:999px;font-weight:650;color:#40504c;font-size:15px;
    }
    .nav-link:hover,.nav-link.active{color:var(--primary);background:rgba(15,93,86,.07)}
    .nav-link.active:after{
      content:"";position:absolute;left:50%;bottom:5px;transform:translateX(-50%);
      width:18px;height:3px;border-radius:999px;background:var(--primary);
    }
    .nav-actions{display:flex;align-items:center;gap:12px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:12px 20px;border-radius:999px;border:1px solid transparent;
      font-weight:750;line-height:1.2;transition:var(--ease);white-space:nowrap;
    }
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px rgba(15,93,86,.22)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 16px 30px rgba(15,93,86,.26)}
    .btn-secondary{background:#fff;color:var(--primary);border-color:rgba(15,93,86,.18)}
    .btn-secondary:hover{background:var(--soft);border-color:rgba(15,93,86,.3);transform:translateY(-2px)}
    .btn:focus-visible,.field:focus-visible,summary:focus-visible{
      outline:3px solid rgba(217,144,47,.32);outline-offset:3px;
    }
    .menu-pill{display:none}
    .hero{padding:76px 0 56px;position:relative;overflow:hidden}
    .hero-grid{
      display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center;
    }
    .hero-copy .lead{max-width:680px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
    .hero-notes{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .chip{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
      background:#fff;border:1px solid var(--line);color:#53635f;font-size:14px;box-shadow:0 8px 20px rgba(24,55,48,.04)
    }
    .chip i{width:9px;height:9px;border-radius:50%;background:var(--success)}
    .chip.warn i{background:var(--warning)}
    .chip.info i{background:var(--info)}
    .dashboard{
      background:linear-gradient(180deg,#fff,rgba(255,255,255,.82));
      border:1px solid rgba(220,231,228,.88);border-radius:30px;box-shadow:var(--shadow-lg);
      padding:22px;position:relative;
    }
    .dashboard:before{
      content:"";position:absolute;inset:-18px;border-radius:36px;background:linear-gradient(135deg,rgba(15,93,86,.12),rgba(217,144,47,.12));
      z-index:-1;
    }
    .dash-top{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:18px}
    .window-dots{display:flex;gap:7px}
    .window-dots span{width:10px;height:10px;border-radius:50%;background:var(--line)}
    .window-dots span:nth-child(1){background:#C95445}.window-dots span:nth-child(2){background:#D9902F}.window-dots span:nth-child(3){background:#1E9B6C}
    .dash-title{font-weight:800;color:var(--title)}
    .scan-panel{
      border-radius:22px;background:var(--soft-2);border:1px solid rgba(15,93,86,.12);
      padding:20px;margin-bottom:16px;
    }
    .scan-row{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}
    .scan-row strong{color:var(--title)}
    .badge{
      display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;font-size:13px;font-weight:700;
      background:rgba(15,93,86,.09);color:var(--primary)
    }
    .badge.warn{background:rgba(217,144,47,.12);color:#9a651b}
    .badge.danger{background:rgba(201,84,69,.12);color:#a33c31}
    .badge.ok{background:rgba(30,155,108,.12);color:#157c55}
    .progress{height:10px;background:#d9e8e4;border-radius:999px;overflow:hidden}
    .progress span{display:block;height:100%;width:76%;border-radius:999px;background:linear-gradient(90deg,var(--primary),#40a293)}
    .queue{display:grid;gap:10px}
    .queue-item{
      display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;
      padding:12px;border:1px solid var(--line);background:#fff;border-radius:16px;
    }
    .q-icon{
      width:36px;height:36px;border-radius:12px;display:grid;place-items:center;background:rgba(15,93,86,.08);color:var(--primary);
    }
    .q-text strong{display:block;color:var(--title);line-height:1.2}
    .q-text span{font-size:13px;color:var(--muted)}
    .trend{
      margin-top:16px;display:grid;grid-template-columns:1fr 1fr;gap:12px;
    }
    .mini-card{padding:14px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .mini-card b{font-size:24px;color:var(--title)}
    .mini-card span{display:block;color:var(--muted);font-size:13px}
    .trust-strip{padding:26px 0}
    .metrics{
      display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
      background:#fff;border:1px solid var(--line);border-radius:26px;padding:16px;box-shadow:var(--shadow);
    }
    .metric{padding:18px;border-radius:20px;background:linear-gradient(180deg,var(--soft-2),#fff)}
    .metric strong{display:block;color:var(--title);font-size:24px;margin-bottom:4px}
    .metric span{font-size:14px;color:var(--muted)}
    .section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:34px}
    .section-head p{max-width:650px}
    .ability-wrap{
      display:grid;grid-template-columns:1fr 1.2fr;gap:26px;align-items:stretch;
    }
    .flow-card{
      border-radius:var(--radius-lg);padding:28px;background:var(--footer);color:#d9ebe7;
      position:relative;overflow:hidden;box-shadow:var(--shadow-lg);
    }
    .flow-card:after{
      content:"";position:absolute;right:-80px;top:-80px;width:220px;height:220px;border-radius:50%;
      background:rgba(217,144,47,.18);
    }
    .flow-card h3{color:#fff;font-size:28px}
    .flow-steps{display:grid;gap:14px;margin-top:24px;position:relative;z-index:1}
    .step{
      display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start;
      padding:14px;border-radius:18px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);
    }
    .step-num{
      width:44px;height:44px;border-radius:16px;background:rgba(231,242,239,.14);
      display:grid;place-items:center;color:#fff;font-weight:800;
    }
    .step strong{display:block;color:#fff;margin-bottom:3px}
    .step span{font-size:14px;color:#bed4cf}
    .ability-grid{
      display:grid;grid-template-columns:repeat(2,1fr);gap:16px;
    }
    .ability-card{
      padding:22px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:0 8px 22px rgba(24,55,48,.05);
      transition:var(--ease);
    }
    .ability-card:hover{transform:translateY(-3px);border-color:rgba(15,93,86,.34);box-shadow:var(--shadow)}
    .card-icon{
      width:44px;height:44px;border-radius:15px;background:rgba(15,93,86,.08);color:var(--primary);
      display:grid;place-items:center;margin-bottom:14px;
    }
    .ability-card p{font-size:15px;color:var(--muted);margin-bottom:16px}
    .link-arrow{font-weight:750;color:var(--primary);font-size:14px}
    .link-arrow:hover{color:var(--primary-dark);letter-spacing:.02em}
    .scenario-band{
      display:flex;gap:16px;overflow-x:auto;padding:4px 4px 18px;scroll-snap-type:x mandatory;
    }
    .scenario-band::-webkit-scrollbar{height:8px}
    .scenario-band::-webkit-scrollbar-thumb{background:#cddbd7;border-radius:999px}
    .scenario-card{
      min-width:315px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
      border-radius:24px;padding:22px;box-shadow:0 8px 22px rgba(24,55,48,.05);
    }
    .scenario-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
    .risk-level{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
    .level-bar{display:flex;gap:4px}
    .level-bar span{width:22px;height:7px;border-radius:999px;background:#dce9e6}
    .level-bar .on{background:var(--amber)}
    .scenario-list{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:9px}
    .scenario-list li{display:flex;gap:9px;color:#566562;font-size:15px}
    .scenario-list li:before{content:"✓";color:var(--success);font-weight:900}
    .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .case-card{
      background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;position:relative;overflow:hidden;
    }
    .case-card:before{content:"";position:absolute;left:0;top:0;width:100%;height:5px;background:linear-gradient(90deg,var(--primary),var(--amber))}
    .case-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
    .case-chain{display:grid;gap:12px;margin-top:18px}
    .chain-item{padding:13px 14px;border-radius:16px;background:var(--soft-2);border:1px solid rgba(15,93,86,.09)}
    .chain-item b{color:var(--title)}
    .plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .plan{
      position:relative;padding:26px;border-radius:26px;background:#fff;border:1px solid var(--line);
      box-shadow:0 8px 22px rgba(24,55,48,.05);display:flex;flex-direction:column;min-height:100%;
    }
    .plan.featured{border-color:rgba(15,93,86,.42);box-shadow:var(--shadow-lg)}
    .recommend{
      position:absolute;right:20px;top:20px;background:rgba(217,144,47,.14);color:#8d5a13;
      padding:5px 10px;border-radius:999px;font-size:13px;font-weight:800;
    }
    .plan h3{padding-right:74px}
    .plan-desc{color:var(--muted);font-size:15px;margin-bottom:20px}
    .plan ul{margin:0 0 24px;padding:0;list-style:none;display:grid;gap:10px}
    .plan li{display:flex;gap:10px}
    .plan li:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--primary);margin-top:10px;flex:0 0 auto}
    .plan .btn{margin-top:auto;width:100%}
    .news-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:30px;align-items:start}
    .news-aside{
      position:sticky;top:100px;background:linear-gradient(180deg,var(--soft),#fff);
      border:1px solid var(--line);border-radius:26px;padding:28px;box-shadow:var(--shadow);
    }
    .news-list{display:grid;gap:14px}
    .news-card{
      display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;
      padding:20px;border-radius:22px;background:#fff;border:1px solid var(--line);transition:var(--ease);
    }
    .news-card:hover{border-color:rgba(15,93,86,.34);box-shadow:var(--shadow);transform:translateY(-2px)}
    .news-card h3{font-size:20px;margin-bottom:8px}
    .news-card h3 a:hover{color:var(--primary)}
    .news-card p{
      color:var(--muted);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    }
    .news-meta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:8px;color:var(--muted);font-size:13px}
    .read-more{
      width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--soft-2);
      color:var(--primary);border:1px solid rgba(15,93,86,.12);
    }
    .news-card:hover .read-more{background:var(--primary);color:#fff}
    .empty-state{
      padding:34px;border:1px dashed rgba(15,93,86,.32);border-radius:24px;background:rgba(255,255,255,.68);
      text-align:center;color:var(--muted);
    }
    .empty-icon{width:54px;height:54px;margin:0 auto 12px;border-radius:18px;background:var(--soft);display:grid;place-items:center;color:var(--primary)}
    .faq-wrap{display:grid;grid-template-columns:.86fr 1.14fr;gap:28px}
    .faq-list{display:grid;gap:12px}
    details.faq-item{
      background:#fff;border:1px solid var(--line);border-radius:20px;padding:0;overflow:hidden;transition:var(--ease);
    }
    details.faq-item[open]{background:var(--soft-2);border-color:rgba(15,93,86,.25)}
    .faq-item summary{
      list-style:none;display:flex;justify-content:space-between;align-items:center;gap:18px;
      padding:18px 20px;font-weight:800;color:var(--title);cursor:pointer;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{
      content:"+";width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--primary);
      border:1px solid var(--line);font-size:20px;line-height:1;flex:0 0 auto;
    }
    .faq-item[open] summary:after{content:"−";background:var(--primary);color:#fff}
    .faq-item p{padding:0 20px 20px;color:var(--muted)}
    .cta-panel{
      display:grid;grid-template-columns:1fr .85fr;gap:28px;align-items:center;
      background:linear-gradient(135deg,var(--footer),#17443d);
      border-radius:32px;padding:34px;color:#d8ebe7;box-shadow:var(--shadow-lg);overflow:hidden;position:relative;
    }
    .cta-panel:after{
      content:"";position:absolute;right:-120px;bottom:-120px;width:300px;height:300px;border-radius:50%;background:rgba(217,144,47,.18);
    }
    .cta-panel h2{color:#fff}
    .consult-form{
      position:relative;z-index:1;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.14);
      border-radius:24px;padding:20px;display:grid;gap:12px;
    }
    .field{
      width:100%;min-height:48px;border-radius:14px;border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.92);padding:12px 14px;color:var(--title);transition:var(--ease);
    }
    textarea.field{min-height:92px;resize:vertical}
    .field:focus{border-color:var(--amber);box-shadow:0 0 0 4px rgba(217,144,47,.16);outline:none}
    .site-footer{background:var(--footer);color:#bad0cb;padding:58px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.3fr .7fr .8fr;gap:32px;margin-bottom:32px}
    .footer-brand .brand-name{color:#fff}
    .footer-brand .brand-sub{color:#9ab5af}
    .footer-title{color:#fff;font-weight:800;margin-bottom:12px}
    .footer-links{display:grid;gap:9px}
    .footer-links a:hover{color:#d9fff6}
    .footer-note{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px;color:#96aaa5}
    .mobile-tabs{display:none}
    @media (max-width:1024px){
      .container{width:min(100% - 48px,var(--container))}
      h1{font-size:40px}
      h2{font-size:32px}
      .hero-grid,.ability-wrap,.news-layout,.faq-wrap,.cta-panel{grid-template-columns:1fr}
      .news-aside{position:relative;top:auto}
      .metrics,.case-grid,.plans{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .nav-links{display:none}
      .menu-pill{display:inline-flex}
    }
    @media (max-width:768px){
      body{padding-bottom:74px}
      .container{width:min(100% - 32px,var(--container))}
      .section{padding:62px 0}
      .hero{padding:50px 0 34px}
      h1{font-size:32px}
      h2{font-size:28px}
      .lead{font-size:16px}
      .nav{height:66px}
      .brand-sub{display:none}
      .nav-actions .btn-primary{display:none}
      .hero-actions .btn{width:100%}
      .metrics,.ability-grid,.case-grid,.plans,.trend,.footer-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .section-head .lead{margin-top:10px}
      .news-card{grid-template-columns:1fr}
      .read-more{width:100%;border-radius:14px;height:40px}
      .cta-panel{padding:24px;border-radius:24px}
      .mobile-tabs{
        position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:1fr;
        background:#fff;border-top:1px solid var(--line);padding:8px 16px calc(8px + env(safe-area-inset-bottom));
        box-shadow:0 -12px 30px rgba(24,55,48,.08);
      }
      .mobile-tab{
        min-height:50px;border-radius:16px;display:flex;align-items:center;justify-content:center;gap:8px;
        color:var(--primary);font-weight:800;background:rgba(15,93,86,.08);
      }
      .mobile-tab svg{width:20px;height:20px}
    }
    @media (max-width:520px){
      .container{width:min(100% - 28px,var(--container))}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .brand-name{font-size:16px}
      .dashboard{padding:16px;border-radius:24px}
      .queue-item{grid-template-columns:auto 1fr}
      .queue-item .badge{grid-column:1 / -1;width:max-content}
      .scenario-card{min-width:285px}
      .footer-note{display:block}
    }

/* roulang page: article */
:root{
      --color-primary:#0F5D56;
      --color-primary-2:#116A60;
      --color-primary-dark:#0B443F;
      --color-accent:#D9902F;
      --color-bg:#F7FAF8;
      --color-bg-soft:#E7F2EF;
      --color-surface:#FFFFFF;
      --color-title:#172321;
      --color-text:#3D4B48;
      --color-muted:#6D7A77;
      --color-border:#DCE7E4;
      --color-success:#1E9B6C;
      --color-warning:#D9902F;
      --color-risk:#C95445;
      --color-info:#3F7E9F;
      --shadow-sm:0 8px 22px rgba(24,55,48,.07);
      --shadow-md:0 16px 38px rgba(24,55,48,.10);
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:24px;
      --radius-xl:32px;
      --container:1220px;
      --header-height:78px;
      --font-sans:"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-sans);
      color:var(--color-text);
      background:
        radial-gradient(circle at 12% 8%, rgba(231,242,239,.85) 0, rgba(231,242,239,0) 34%),
        linear-gradient(180deg,#FFFFFF 0%,var(--color-bg) 54%,#FFFFFF 100%);
      line-height:1.75;
      min-width:320px;
      padding-bottom:0;
    }
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border .2s ease,transform .2s ease,box-shadow .2s ease}
    img,svg{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(15,93,86,.18);color:var(--color-primary-dark)}

    .container{
      width:min(100% - 64px,var(--container));
      margin-inline:auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.88);
      backdrop-filter:saturate(140%) blur(14px);
      border-bottom:1px solid rgba(220,231,228,.86);
      box-shadow:0 8px 24px rgba(16,38,34,.04);
    }
    .nav{
      min-height:var(--header-height);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:44px;
      height:44px;
      flex:0 0 44px;
      display:grid;
      place-items:center;
      border-radius:16px;
      color:#fff;
      background:
        linear-gradient(145deg,var(--color-primary),var(--color-primary-2)),
        var(--color-primary);
      box-shadow:0 12px 24px rgba(15,93,86,.20);
    }
    .brand-mark svg{width:25px;height:25px}
    .brand-text{display:flex;flex-direction:column;line-height:1.18}
    .brand-name{
      font-size:18px;
      font-weight:800;
      letter-spacing:.01em;
      color:var(--color-title);
      white-space:nowrap;
    }
    .brand-sub{
      margin-top:3px;
      font-size:12px;
      color:var(--color-muted);
      white-space:nowrap;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      margin-left:auto;
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      padding:10px 14px;
      border-radius:999px;
      font-size:15px;
      font-weight:650;
      color:#40524F;
    }
    .nav-link:hover,.nav-link.active{
      color:var(--color-primary);
      background:rgba(15,93,86,.07);
    }
    .nav-link.active::after{
      content:"";
      position:absolute;
      left:50%;
      bottom:4px;
      width:18px;
      height:3px;
      transform:translateX(-50%);
      border-radius:999px;
      background:var(--color-primary);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:11px 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-size:15px;
      font-weight:750;
      line-height:1.2;
      white-space:nowrap;
      user-select:none;
    }
    .btn:focus-visible,
    .article-body a:focus-visible,
    .faq-question:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible{
      outline:3px solid rgba(15,93,86,.18);
      outline-offset:3px;
    }
    .btn-primary{
      color:#fff;
      background:var(--color-primary);
      box-shadow:0 12px 24px rgba(15,93,86,.18);
    }
    .btn-primary:hover{
      background:var(--color-primary-dark);
      transform:translateY(-2px);
      box-shadow:0 16px 30px rgba(15,93,86,.24);
    }
    .btn-secondary{
      color:var(--color-primary);
      background:#fff;
      border-color:rgba(15,93,86,.18);
    }
    .btn-secondary:hover{
      background:var(--color-bg-soft);
      border-color:rgba(15,93,86,.32);
      transform:translateY(-1px);
    }

    main{overflow:hidden}
    .article-hero{
      position:relative;
      padding:58px 0 44px;
      background:
        linear-gradient(135deg,rgba(231,242,239,.92),rgba(255,255,255,.78)),
        radial-gradient(circle at 82% 18%,rgba(217,144,47,.13),rgba(217,144,47,0) 28%);
      border-bottom:1px solid var(--color-border);
    }
    .article-hero::after{
      content:"";
      position:absolute;
      inset:auto 8% -40px auto;
      width:280px;
      height:120px;
      border-radius:999px;
      background:rgba(15,93,86,.08);
      filter:blur(28px);
      pointer-events:none;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:22px;
      color:var(--color-muted);
      font-size:14px;
    }
    .breadcrumb a{
      color:var(--color-primary);
      font-weight:650;
    }
    .breadcrumb a:hover{text-decoration:underline;text-underline-offset:4px}
    .breadcrumb .sep{color:#9AA8A4}
    .article-label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:#fff;
      border:1px solid rgba(15,93,86,.14);
      color:var(--color-primary);
      font-size:13px;
      font-weight:750;
      box-shadow:var(--shadow-sm);
    }
    .article-label::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--color-success);
      box-shadow:0 0 0 5px rgba(30,155,108,.12);
    }
    .article-title{
      max-width:920px;
      margin:18px 0 16px;
      color:var(--color-title);
      font-size:clamp(30px,4.4vw,50px);
      line-height:1.18;
      letter-spacing:-.02em;
      font-weight:850;
    }
    .article-desc{
      max-width:820px;
      margin:0;
      color:#50615E;
      font-size:17px;
      line-height:1.85;
    }
    .article-meta{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }
    .meta-chip{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(220,231,228,.92);
      color:var(--color-muted);
      font-size:13px;
      font-weight:650;
    }
    .meta-dot{
      width:7px;
      height:7px;
      border-radius:999px;
      background:var(--color-accent);
    }

    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,820px) 320px;
      gap:46px;
      align-items:start;
      padding:58px 0 86px;
    }
    .article-card{
      background:#fff;
      border:1px solid var(--color-border);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .article-content-wrap{
      padding:38px 42px 42px;
    }
    .article-toolbar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:18px 22px;
      background:linear-gradient(90deg,rgba(231,242,239,.82),rgba(255,255,255,.98));
      border-bottom:1px solid var(--color-border);
    }
    .toolbar-title{
      margin:0;
      color:var(--color-title);
      font-size:15px;
      font-weight:800;
    }
    .toolbar-tags{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:8px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      padding:5px 10px;
      border-radius:999px;
      background:rgba(15,93,86,.08);
      color:var(--color-primary);
      font-size:12px;
      font-weight:750;
    }
    .badge.warning{background:rgba(217,144,47,.13);color:#9A621A}
    .badge.info{background:rgba(63,126,159,.12);color:#2F6682}

    .article-body{
      color:var(--color-text);
      font-size:17px;
      line-height:1.9;
      word-break:break-word;
    }
    .article-body > *:first-child{margin-top:0}
    .article-body > *:last-child{margin-bottom:0}
    .article-body h2{
      margin:38px 0 14px;
      color:var(--color-title);
      font-size:28px;
      line-height:1.3;
      letter-spacing:-.01em;
      font-weight:850;
    }
    .article-body h3{
      margin:30px 0 12px;
      color:var(--color-title);
      font-size:22px;
      line-height:1.4;
      font-weight:800;
    }
    .article-body h4{
      margin:24px 0 10px;
      color:var(--color-title);
      font-size:19px;
      font-weight:800;
    }
    .article-body p{margin:0 0 18px}
    .article-body a{
      color:var(--color-primary);
      font-weight:700;
      border-bottom:1px solid rgba(15,93,86,.28);
    }
    .article-body a:hover{
      color:var(--color-primary-dark);
      border-bottom-color:var(--color-primary-dark);
      background:rgba(15,93,86,.06);
    }
    .article-body ul,
    .article-body ol{
      margin:16px 0 22px;
      padding-left:1.35em;
    }
    .article-body li{margin:8px 0;padding-left:4px}
    .article-body blockquote{
      margin:28px 0;
      padding:20px 22px;
      border-left:5px solid var(--color-primary);
      border-radius:0 var(--radius-md) var(--radius-md) 0;
      background:linear-gradient(90deg,rgba(231,242,239,.78),rgba(247,250,248,.72));
      color:#30413E;
      box-shadow:inset 0 0 0 1px rgba(15,93,86,.06);
    }
    .article-body blockquote p{margin-bottom:0}
    .article-body table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:26px 0;
      overflow:hidden;
      border:1px solid var(--color-border);
      border-radius:var(--radius-md);
      font-size:15px;
    }
    .article-body th,
    .article-body td{
      padding:13px 14px;
      border-bottom:1px solid var(--color-border);
      text-align:left;
      vertical-align:top;
    }
    .article-body th{
      background:var(--color-bg-soft);
      color:var(--color-title);
      font-weight:800;
    }
    .article-body tr:last-child td{border-bottom:0}
    .article-body figure{
      margin:28px 0;
      padding:12px;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .article-body figure img{border-radius:16px}
    .article-body figcaption,
    .article-body caption{
      margin-top:10px;
      color:var(--color-muted);
      font-size:13px;
      text-align:center;
    }
    .article-body code{
      padding:.18em .42em;
      border-radius:8px;
      background:rgba(15,93,86,.08);
      color:#0B443F;
      font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
      font-size:.92em;
    }
    .article-body pre{
      margin:24px 0;
      padding:18px;
      overflow:auto;
      border-radius:var(--radius-md);
      background:#102622;
      color:#E7F2EF;
      box-shadow:var(--shadow-sm);
    }
    .article-body pre code{
      padding:0;
      background:transparent;
      color:inherit;
    }
    .article-body hr{
      border:0;
      height:1px;
      margin:34px 0;
      background:linear-gradient(90deg,transparent,var(--color-border),transparent);
    }

    .empty-state{
      display:grid;
      place-items:center;
      text-align:center;
      min-height:320px;
      padding:42px 24px;
      border:1px dashed rgba(15,93,86,.28);
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,rgba(231,242,239,.58),rgba(255,255,255,.92));
    }
    .empty-icon{
      width:58px;
      height:58px;
      display:grid;
      place-items:center;
      margin-bottom:16px;
      border-radius:20px;
      background:rgba(15,93,86,.09);
      color:var(--color-primary);
    }
    .empty-state h2{
      margin:0 0 10px;
      color:var(--color-title);
      font-size:26px;
      line-height:1.25;
    }
    .empty-state p{
      margin:0 0 22px;
      color:var(--color-muted);
      max-width:480px;
    }

    .article-after{
      margin-top:26px;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .return-card,
    .related-card{
      padding:20px;
      border-radius:var(--radius-lg);
      border:1px solid var(--color-border);
      background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .return-card:hover,
    .related-card:hover{
      transform:translateY(-2px);
      border-color:rgba(15,93,86,.28);
      box-shadow:var(--shadow-md);
    }
    .card-kicker{
      display:inline-flex;
      align-items:center;
      gap:6px;
      margin-bottom:8px;
      color:var(--color-primary);
      font-size:13px;
      font-weight:800;
    }
    .card-kicker::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--color-accent);
    }
    .return-card h3,
    .related-card h3{
      margin:0 0 8px;
      color:var(--color-title);
      font-size:19px;
      line-height:1.4;
    }
    .return-card p,
    .related-card p{
      margin:0;
      color:var(--color-muted);
      font-size:14px;
      line-height:1.7;
    }

    .sidebar{
      position:sticky;
      top:calc(var(--header-height) + 24px);
      display:grid;
      gap:18px;
    }
    .side-card{
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.92);
      box-shadow:var(--shadow-sm);
      overflow:hidden;
    }
    .side-card-inner{padding:22px}
    .side-title{
      margin:0 0 14px;
      color:var(--color-title);
      font-size:18px;
      font-weight:850;
      line-height:1.35;
    }
    .toc-list,
    .tag-list,
    .risk-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:10px;
    }
    .toc-list a{
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 12px;
      border-radius:12px;
      color:#40524F;
      font-size:14px;
      font-weight:650;
      background:rgba(247,250,248,.82);
      border:1px solid transparent;
    }
    .toc-list a::before{
      content:"";
      width:6px;
      height:6px;
      border-radius:50%;
      background:var(--color-primary);
      opacity:.65;
    }
    .toc-list a:hover{
      color:var(--color-primary);
      background:var(--color-bg-soft);
      border-color:rgba(15,93,86,.12);
    }
    .tag-list{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .tag-list a{
      padding:7px 10px;
      border-radius:999px;
      background:rgba(231,242,239,.72);
      color:var(--color-primary);
      font-size:13px;
      font-weight:750;
    }
    .tag-list a:hover{
      background:rgba(15,93,86,.12);
      transform:translateY(-1px);
    }
    .risk-list li{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:10px;
      align-items:start;
      color:#40524F;
      font-size:14px;
      line-height:1.65;
    }
    .risk-dot{
      width:10px;
      height:10px;
      margin-top:7px;
      border-radius:50%;
      background:var(--color-primary);
      box-shadow:0 0 0 5px rgba(15,93,86,.08);
    }
    .consult-mini{
      background:
        radial-gradient(circle at 82% 14%,rgba(217,144,47,.20),transparent 28%),
        linear-gradient(145deg,var(--color-primary),#17352F);
      color:#fff;
      border-color:rgba(255,255,255,.12);
    }
    .consult-mini .side-title{color:#fff}
    .consult-mini p{
      margin:0 0 16px;
      color:rgba(255,255,255,.78);
      font-size:14px;
      line-height:1.7;
    }
    .consult-mini .btn{
      width:100%;
      background:#fff;
      color:var(--color-primary);
      box-shadow:none;
    }
    .consult-mini .btn:hover{
      background:var(--color-bg-soft);
      transform:translateY(-1px);
    }

    .section{
      padding:76px 0;
    }
    .section.soft{
      background:linear-gradient(180deg,rgba(231,242,239,.52),rgba(255,255,255,.92));
      border-top:1px solid rgba(220,231,228,.7);
      border-bottom:1px solid rgba(220,231,228,.7);
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:10px;
      color:var(--color-primary);
      font-size:14px;
      font-weight:850;
    }
    .section-kicker::before{
      content:"";
      width:24px;
      height:3px;
      border-radius:999px;
      background:var(--color-accent);
    }
    .section-title{
      margin:0;
      color:var(--color-title);
      font-size:clamp(26px,3vw,36px);
      line-height:1.25;
      font-weight:850;
      letter-spacing:-.01em;
    }
    .section-desc{
      margin:10px 0 0;
      max-width:660px;
      color:var(--color-muted);
      font-size:16px;
      line-height:1.8;
    }

    .recommend-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:18px;
    }
    .recommend-item{
      position:relative;
      overflow:hidden;
      min-height:186px;
      padding:24px;
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      background:#fff;
      box-shadow:var(--shadow-sm);
    }
    .recommend-item::after{
      content:"";
      position:absolute;
      right:-34px;
      bottom:-34px;
      width:110px;
      height:110px;
      border-radius:34px;
      transform:rotate(12deg);
      background:rgba(15,93,86,.07);
    }
    .recommend-item:hover{
      transform:translateY(-3px);
      border-color:rgba(15,93,86,.28);
      box-shadow:var(--shadow-md);
    }
    .recommend-item h3{
      position:relative;
      z-index:1;
      margin:10px 0 10px;
      color:var(--color-title);
      font-size:20px;
      line-height:1.4;
    }
    .recommend-item p{
      position:relative;
      z-index:1;
      margin:0 0 16px;
      color:var(--color-muted);
      font-size:14px;
      line-height:1.75;
    }
    .recommend-meta{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      color:var(--color-muted);
      font-size:13px;
    }

    .faq-grid{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:34px;
      align-items:start;
    }
    .faq-panel{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border:1px solid var(--color-border);
      border-radius:var(--radius-md);
      background:#fff;
      box-shadow:0 8px 22px rgba(24,55,48,.045);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px 20px;
      border:0;
      background:transparent;
      color:var(--color-title);
      text-align:left;
      font-weight:800;
    }
    .faq-question span:last-child{
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      border-radius:50%;
      color:var(--color-primary);
      background:rgba(15,93,86,.08);
      flex:0 0 auto;
      transition:transform .2s ease;
    }
    .faq-answer{
      display:none;
      padding:0 20px 18px;
      color:var(--color-muted);
      font-size:15px;
      line-height:1.8;
    }
    .faq-item.active{
      background:linear-gradient(180deg,#fff,rgba(231,242,239,.55));
      border-color:rgba(15,93,86,.22);
    }
    .faq-item.active .faq-answer{display:block}
    .faq-item.active .faq-question span:last-child{transform:rotate(45deg)}

    .consult-section{
      padding:78px 0 86px;
      background:
        radial-gradient(circle at 15% 20%,rgba(231,242,239,.62),transparent 28%),
        linear-gradient(145deg,#102622,#17352F);
      color:#fff;
    }
    .consult-box{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:34px;
      align-items:center;
    }
    .consult-box h2{
      margin:0 0 14px;
      color:#fff;
      font-size:clamp(28px,3.2vw,40px);
      line-height:1.25;
      font-weight:850;
    }
    .consult-box p{
      margin:0;
      color:rgba(255,255,255,.78);
      font-size:16px;
      line-height:1.85;
    }
    .consult-form{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      padding:22px;
      border:1px solid rgba(255,255,255,.14);
      border-radius:var(--radius-xl);
      background:rgba(255,255,255,.08);
      box-shadow:0 18px 45px rgba(0,0,0,.16);
    }
    .form-field.full{grid-column:1/-1}
    .form-field label{
      display:block;
      margin-bottom:7px;
      color:rgba(255,255,255,.82);
      font-size:13px;
      font-weight:750;
    }
    .form-field input,
    .form-field select,
    .form-field textarea{
      width:100%;
      min-height:48px;
      padding:11px 13px;
      border:1px solid rgba(255,255,255,.20);
      border-radius:14px;
      background:rgba(255,255,255,.95);
      color:var(--color-title);
      outline:0;
      transition:border .2s ease,box-shadow .2s ease;
    }
    .form-field textarea{
      min-height:92px;
      resize:vertical;
    }
    .form-field input:focus,
    .form-field select:focus,
    .form-field textarea:focus{
      border-color:rgba(217,144,47,.74);
      box-shadow:0 0 0 4px rgba(217,144,47,.16);
    }
    .consult-form .btn{grid-column:1/-1;border:0}

    .site-footer{
      padding:56px 0 30px;
      background:#102622;
      color:rgba(255,255,255,.76);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .55fr .7fr;
      gap:34px;
      align-items:start;
    }
    .site-footer .brand-name{color:#fff}
    .site-footer .brand-sub{color:rgba(255,255,255,.58)}
    .site-footer .brand-mark{box-shadow:none;background:rgba(255,255,255,.12)}
    .footer-brand p{
      color:rgba(255,255,255,.68);
      line-height:1.8;
    }
    .footer-title{
      margin-bottom:14px;
      color:#fff;
      font-size:15px;
      font-weight:850;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.68);
      font-size:14px;
    }
    .footer-links a:hover{
      color:#BFE6DC;
      transform:translateX(2px);
    }
    .footer-note{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.10);
      color:rgba(255,255,255,.52);
      font-size:13px;
    }

    .mobile-tabs{
      display:none;
      position:fixed;
      left:0;
      right:0;
      bottom:0;
      z-index:60;
      padding:8px 12px calc(8px + env(safe-area-inset-bottom));
      background:rgba(255,255,255,.96);
      backdrop-filter:blur(12px);
      border-top:1px solid rgba(220,231,228,.95);
      box-shadow:0 -10px 26px rgba(24,55,48,.08);
    }
    .mobile-tabs-inner{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:4px;
      max-width:560px;
      margin:auto;
    }
    .tab-link{
      position:relative;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:3px;
      min-height:48px;
      border-radius:14px;
      color:var(--color-muted);
      font-size:12px;
      font-weight:750;
    }
    .tab-link svg{width:20px;height:20px}
    .tab-link.active,
    .tab-link:hover{
      color:var(--color-primary);
      background:rgba(15,93,86,.07);
    }
    .tab-link.active::before{
      content:"";
      position:absolute;
      top:4px;
      width:18px;
      height:3px;
      border-radius:999px;
      background:var(--color-primary);
    }

    @media (max-width:1080px){
      .container{width:min(100% - 48px,var(--container))}
      .article-layout{grid-template-columns:1fr;gap:28px}
      .sidebar{
        position:static;
        grid-template-columns:repeat(3,1fr);
      }
      .consult-mini{grid-column:auto}
      .recommend-grid{grid-template-columns:1fr 1fr}
      .recommend-item:first-child{grid-column:1/-1}
      .faq-grid{grid-template-columns:1fr}
      .consult-box{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
    }

    @media (max-width:860px){
      .nav{gap:14px}
      .nav-links{display:none}
      .nav-actions .menu-pill{display:none}
      .brand-mark{width:40px;height:40px;flex-basis:40px;border-radius:14px}
      .article-hero{padding:42px 0 34px}
      .article-content-wrap{padding:30px 26px 34px}
      .article-toolbar{align-items:flex-start;flex-direction:column}
      .toolbar-tags{justify-content:flex-start}
      .sidebar{grid-template-columns:1fr}
      .article-after{grid-template-columns:1fr}
      .consult-form{grid-template-columns:1fr}
    }

    @media (max-width:640px){
      body{padding-bottom:78px}
      .container{width:min(100% - 32px,var(--container))}
      .site-header{position:sticky}
      .nav{min-height:66px}
      .brand-name{font-size:16px}
      .brand-sub{font-size:11px}
      .nav-actions .btn-primary{
        min-height:38px;
        padding:9px 12px;
        font-size:13px;
      }
      .article-title{font-size:30px}
      .article-desc{font-size:16px}
      .article-meta{gap:8px}
      .article-layout{padding:36px 0 58px}
      .article-card{border-radius:22px}
      .article-content-wrap{padding:24px 18px 28px}
      .article-body{font-size:16px;line-height:1.86}
      .article-body h2{font-size:24px;margin-top:30px}
      .article-body h3{font-size:20px}
      .article-body table{display:block;overflow-x:auto;white-space:nowrap}
      .section{padding:56px 0}
      .section-head{display:block}
      .recommend-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-note{display:grid}
      .mobile-tabs{display:block}
    }

    @media (max-width:420px){
      .container{width:min(100% - 28px,var(--container))}
      .brand-sub{display:none}
      .nav-actions .btn-primary{padding:8px 10px}
      .breadcrumb{font-size:13px}
      .article-content-wrap{padding-inline:16px}
      .consult-form{padding:16px;border-radius:22px}
    }