/* roulang page: index */
:root{
    --brand-900:#0B2A22; --brand-700:#14503C; --brand-500:#1E7A57;
    --lime:#C9F24D; --lime-dark:#B7E13A; --amber:#FF7A2F;
    --bg:#F6F4EE; --card:#FFFFFF; --ink:#10161A; --ink-2:#46525A; --line:#E2DED3;
    --sh-1:0 1px 2px rgba(11,42,34,.06);
    --sh-2:0 12px 30px -14px rgba(11,42,34,.18);
    --sh-3:0 18px 42px -18px rgba(11,42,34,.34);
    --r-s:10px; --r-m:16px; --r-l:22px;
    --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{
    margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);
    font-size:16.5px;line-height:1.85;-webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  :focus-visible{outline:3px solid rgba(201,242,77,.8);outline-offset:2px;border-radius:6px}
  .num{font-variant-numeric:tabular-nums}
  .wrap{max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.wrap{padding:0 28px}}
  @media (min-width:1024px){.wrap{padding:0 32px}}

  /* ---------- Dock 导航 ---------- */
  .dock{position:fixed;top:16px;left:50%;transform:translateX(-50%);width:min(1160px,calc(100% - 32px));z-index:60;transition:top .2s ease}
  .dock-inner{
    display:flex;align-items:center;gap:16px;height:66px;padding:0 12px 0 18px;
    background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
    border:1px solid var(--line);border-radius:999px;box-shadow:var(--sh-2);transition:box-shadow .2s ease;
  }
  .dock.scrolled{top:12px}
  .dock.scrolled .dock-inner{box-shadow:var(--sh-3)}
  .logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .logo-mark{width:26px;height:26px;border-radius:9px;background:var(--brand-900);position:relative;overflow:hidden;flex:none}
  .logo-mark::before{content:"";position:absolute;width:22px;height:22px;border-radius:50%;border:2px solid var(--lime);left:8px;top:8px}
  .logo-text{display:flex;flex-direction:column;line-height:1.15}
  .logo-main{font-weight:800;font-size:15px;letter-spacing:-.01em;color:var(--brand-900)}
  .logo-sub{font-size:11px;letter-spacing:.08em;font-weight:600;color:var(--brand-500)}
  .nav-links{display:none;align-items:center;gap:6px;margin-left:8px}
  .nav-link{font-size:14.5px;color:var(--ink-2);padding:7px 12px;border-radius:999px;position:relative;transition:color .18s ease,background .18s ease}
  .nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out}
  .nav-link:hover{color:var(--brand-900)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link.active{color:var(--brand-900);font-weight:500;background:rgba(11,42,34,.08)}
  .nav-link.active::after{display:none}
  .dock-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
  .icon-btn{width:38px;height:38px;border-radius:999px;border:1px solid var(--line);display:grid;place-items:center;color:var(--brand-700);background:#fff;transition:all .18s ease}
  .icon-btn:hover{border-color:var(--brand-500);color:var(--brand-900);transform:translateY(-1px)}
  .burger{width:38px;height:38px;border-radius:999px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;gap:4px}
  .burger span{display:block;width:16px;height:2px;background:var(--brand-900);border-radius:2px}
  .drawer{display:none;margin-top:10px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--sh-2);padding:12px;overflow:hidden}
  .drawer.open{display:block}
  .drawer a{display:block;padding:13px 14px;border-radius:14px;font-size:15px;color:var(--ink);transition:background .18s ease}
  .drawer a:hover{background:#F1F5EE}
  .drawer a.active{background:rgba(11,42,34,.08);font-weight:600;color:var(--brand-900)}
  .drawer .sep{height:1px;background:var(--line);margin:10px 4px}
  .drawer .btn{width:100%;justify-content:center;margin-top:6px}
  @media (min-width:768px){
    .nav-links{display:flex}
    .burger{display:none}
    .drawer{display:none !important}
  }

  /* ---------- 按钮 / 标签 ---------- */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:13px 24px;font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease}
  .btn:active{transform:translateY(1px)}
  .btn-lime{background:var(--lime);color:var(--brand-900)}
  .btn-lime:hover{background:var(--lime-dark);transform:translateY(-1px);box-shadow:var(--sh-2)}
  .btn-ghost{border-color:var(--brand-900);color:var(--brand-900);background:transparent}
  .btn-ghost:hover{background:var(--brand-900);color:#fff}
  .btn-ghost-on-dark{border-color:rgba(255,255,255,.55);color:#fff}
  .btn-ghost-on-dark:hover{background:#fff;color:var(--brand-900)}
  .btn-dark{background:var(--brand-900);color:#fff}
  .btn-dark:hover{background:var(--brand-700);transform:translateY(-1px)}
  .btn-sm{padding:10px 18px;font-size:14px}
  .btn-block{width:100%;}
  .text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand-500);border-bottom:1px solid transparent;transition:border-color .18s ease,color .18s ease}
  .text-link:hover{color:var(--brand-900);border-color:var(--lime)}
  .badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;background:#EAF7D2;color:var(--brand-700)}
  .badge-warn{background:rgba(255,122,47,.14);color:#B34E12}
  .tag{display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;font-size:12.5px;background:#F1F5EE;color:var(--ink-2);border:1px solid var(--line)}
  .chip-row{display:flex;flex-wrap:wrap;gap:10px}
  .chip{display:inline-flex;align-items:center;padding:8px 16px;border-radius:999px;font-size:13.5px;border:1px solid var(--line);background:#fff;color:var(--ink-2);transition:all .18s ease}
  .chip:hover{border-color:var(--brand-500);color:var(--brand-900);transform:translateY(-1px)}
  .chip.on{background:var(--brand-900);border-color:var(--brand-900);color:#fff}

  /* ---------- Hero ---------- */
  .hero{position:relative;background:var(--brand-900);color:#fff;padding:132px 0 72px;overflow:hidden}
  .hero::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,rgba(201,242,77,.07) 0 1px,transparent 1px 76px);pointer-events:none}
  .hero-grid{position:relative;display:grid;gap:44px;align-items:center}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:var(--lime);font-weight:600;margin-bottom:18px}
  .eyebrow::before{content:"";width:26px;height:2px;background:var(--lime);border-radius:2px}
  .hero h1{font-size:clamp(30px,5vw,44px);line-height:1.25;font-weight:800;letter-spacing:-.01em;color:#fff}
  .hero-sub{margin-top:18px;font-size:17px;line-height:1.85;color:#CDE3D8;max-width:560px}
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
  .hero-media{position:relative;border-radius:var(--r-l);overflow:hidden;aspect-ratio:16/10;box-shadow:var(--sh-3)}
  .hero-media img{width:100%;height:100%;object-fit:cover}
  .hero-media::after{content:"";position:absolute;inset:0;background:rgba(11,42,34,.12)}
  .float-card{position:absolute;left:16px;bottom:16px;right:16px;z-index:2;display:flex;align-items:center;gap:12px;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:var(--r-m);box-shadow:var(--sh-2);padding:12px}
  .float-card img{width:56px;height:56px;border-radius:12px;object-fit:cover;flex:none}
  .float-card strong{display:block;font-size:14.5px;color:var(--brand-900)}
  .float-card span{font-size:13px;color:var(--ink-2)}
  @media (min-width:1024px){
    .hero{padding:148px 0 88px}
    .hero-grid{grid-template-columns:1.05fr .95fr;gap:56px}
    .float-card{left:auto;right:-18px;bottom:28px;max-width:270px;right:22px}
  }

  /* ---------- 信任条 ---------- */
  .strip{background:#0F3329;color:#C9D8CE;border-top:1px solid rgba(255,255,255,.08)}
  .strip-inner{display:grid;gap:14px;padding:24px 0}
  .strip-item{display:flex;align-items:center;gap:12px;font-size:14.5px}
  .strip-item .dot{width:10px;height:10px;border-radius:3px;background:var(--lime);flex:none}
  @media (min-width:768px){
    .strip-inner{grid-template-columns:repeat(3,1fr);gap:24px}
    .strip-item + .strip-item{border-left:1px solid rgba(255,255,255,.16);padding-left:24px}
  }

  /* ---------- 板块通用 ---------- */
  .sec{padding:48px 0}
  @media (min-width:768px){.sec{padding:64px 0}}
  @media (min-width:1024px){.sec{padding:88px 0}}
  .sec-head{max-width:760px;margin-bottom:32px}
  .sec-head h2{font-size:clamp(24px,3.4vw,31px);line-height:1.35;font-weight:700;color:var(--brand-900);letter-spacing:-.01em}
  .sec-head p{margin-top:14px;color:var(--ink-2);font-size:16px}
  .sec-head .kicker{display:inline-block;font-size:13px;font-weight:700;color:var(--brand-500);letter-spacing:.08em;margin-bottom:10px}
  .sec-alt{background:#fff}

  /* ---------- 卡片 ---------- */
  .card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);padding:24px;box-shadow:var(--sh-1);transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out}
  .card:hover{transform:translateY(-2px);border-color:#C9D8CE;box-shadow:var(--sh-2)}
  .card h3{font-size:19px;font-weight:600;color:var(--brand-900);margin-bottom:10px;line-height:1.45}
  .card p{font-size:15px;color:var(--ink-2);line-height:1.8}
  .card-icon{width:44px;height:44px;border-radius:10px;background:var(--brand-900);border:1px solid rgba(201,242,77,.45);color:var(--lime);display:grid;place-items:center;margin-bottom:16px}
  .card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
  .card-foot{margin-top:14px}

  .feature-layout{display:grid;gap:28px}
  .feature-aside{align-self:start}
  @media (min-width:1024px){
    .feature-layout{grid-template-columns:300px 1fr;gap:48px}
    .feature-aside{position:sticky;top:110px}
  }
  .feature-aside h2{font-size:26px;font-weight:700;color:var(--brand-900);line-height:1.35}
  .feature-aside p{margin-top:14px;color:var(--ink-2);font-size:15.5px}
  .aside-anchors{margin-top:22px;display:flex;flex-direction:column;gap:8px}
  .aside-anchors a{font-size:14px;color:var(--ink-2);padding-left:14px;position:relative;transition:color .18s ease}
  .aside-anchors a::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--line);transition:background .18s ease}
  .aside-anchors a:hover{color:var(--brand-900)}
  .aside-anchors a:hover::before{background:var(--lime)}
  .feature-grid{display:grid;gap:18px}
  @media (min-width:768px){.feature-grid{grid-template-columns:1fr 1fr}}
  .card-wide{grid-column:1 / -1;display:grid;gap:20px;padding:0;overflow:hidden}
  .card-wide img{width:100%;height:100%;min-height:210px;object-fit:cover}
  .card-wide .card-wide-body{padding:24px}
  @media (min-width:768px){.card-wide{grid-template-columns:1fr 1fr;align-items:stretch}}
  @media (min-width:768px){.card-wide .card-wide-body{padding:28px 28px 28px 4px}}

  /* ---------- 时间轴 ---------- */
  .steps{display:grid;gap:18px}
  .step{display:grid;grid-template-columns:auto 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:22px;box-shadow:var(--sh-1);transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out}
  .step:hover{transform:translateY(-2px);border-color:#C9D8CE;box-shadow:var(--sh-2)}
  .step-num{font-size:clamp(26px,4vw,34px);font-weight:800;color:var(--brand-500);line-height:1;font-variant-numeric:tabular-nums}
  .step h3{font-size:19px;font-weight:600;color:var(--brand-900);margin-bottom:8px}
  .step p{font-size:15px;color:var(--ink-2)}

  /* ---------- 案例 ---------- */
  .case-card{display:grid;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1);transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out}
  .case-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#C9D8CE}
  .case-card img{width:100%;height:100%;min-height:220px;object-fit:cover}
  .case-body{padding:26px}
  .case-body h3{font-size:20px;font-weight:600;color:var(--brand-900);margin-bottom:12px;line-height:1.45}
  .case-body p{font-size:15px;color:var(--ink-2)}
  .case-metrics{display:flex;gap:28px;margin-top:22px;flex-wrap:wrap}
  .metric strong{display:block;font-size:30px;font-weight:800;color:var(--brand-700);line-height:1.2;font-variant-numeric:tabular-nums}
  .metric span{font-size:13px;color:var(--ink-2)}
  @media (min-width:900px){.case-card{grid-template-columns:1fr 1fr}}

  /* ---------- 价格 ---------- */
  .price-note{font-size:13.5px;color:var(--ink-2);margin-bottom:22px}
  .price-grid{display:grid;gap:20px}
  .price-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-l);padding:28px;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out}
  .price-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#C9D8CE}
  .price-card.featured{background:var(--brand-900);color:#fff;border-color:var(--lime)}
  .price-card.featured h3,.price-card.featured .price-num{color:#fff}
  .price-card.featured p,.price-card.featured .price-unit{color:#C9D8CE}
  .price-card h3{font-size:18px;font-weight:600;color:var(--brand-900)}
  .price-card .price-num{font-size:38px;font-weight:800;color:var(--brand-900);margin-top:14px;line-height:1.1;font-variant-numeric:tabular-nums}
  .price-unit{font-size:13px;color:var(--ink-2);margin-top:6px}
  .price-list{margin:22px 0;display:grid;gap:11px}
  .price-list li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;color:var(--ink-2)}
  .price-card.featured .price-list li{color:#D8E8DF}
  .check{width:18px;height:18px;flex:none;margin-top:3px;border-radius:50%;background:#EAF7D2;color:var(--brand-700);display:grid;place-items:center;font-size:11px;font-weight:700}
  .ribbon{position:absolute;top:16px;right:16px;background:var(--lime);color:var(--brand-900);font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px}
  @media (min-width:900px){.price-grid{grid-template-columns:repeat(3,1fr)}}

  /* ---------- 资讯列表 ---------- */
  .post-grid{display:grid;gap:20px}
  @media (min-width:640px){.post-grid{grid-template-columns:1fr 1fr}}
  @media (min-width:1024px){.post-grid{grid-template-columns:repeat(3,1fr)}}
  .post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh-1);transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out}
  .post-card:hover{transform:translateY(-2px);border-color:#C9D8CE;box-shadow:var(--sh-2)}
  .post-thumb{display:block;aspect-ratio:16/9;background:#EAF0E6;overflow:hidden}
  .post-thumb img{width:100%;height:100%;object-fit:cover}
  .post-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
  .post-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--brand-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .post-title a:hover{color:var(--brand-500)}
  .post-excerpt{font-size:14.5px;color:var(--ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
  .post-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-2);border-top:1px solid var(--line);padding-top:14px}
  .empty-state{margin-top:8px;border:1px dashed var(--line);border-radius:var(--r-m);background:#fff;padding:48px 24px;text-align:center}
  .empty-state .mark{width:44px;height:44px;margin:0 auto 14px;border-radius:12px;border:2px solid var(--lime);display:grid;place-items:center;color:var(--brand-700)}
  .empty-state p{font-size:15px;color:var(--ink-2);margin-bottom:16px}

  /* ---------- FAQ ---------- */
  .faq{border-top:1px solid var(--line)}
  .faq details{border-bottom:1px solid var(--line)}
  .faq summary{list-style:none;cursor:pointer;padding:20px 0;font-size:16px;font-weight:500;color:var(--brand-900);display:flex;align-items:flex-start;justify-content:space-between;gap:18px}
  .faq summary::-webkit-details-marker{display:none}
  .faq summary .ind{flex:none;width:24px;height:24px;border-radius:50%;background:#EAF7D2;color:var(--brand-700);display:grid;place-items:center;font-size:15px;line-height:1;transition:transform .18s ease-out}
  .faq details[open] summary .ind{transform:rotate(180deg)}
  .faq .answer{padding:0 0 22px;font-size:15px;color:var(--ink-2);max-width:820px}

  /* ---------- CTA 带 ---------- */
  .cta-band{position:relative;background:var(--brand-900);color:#fff;border-radius:var(--r-l);padding:44px 28px;overflow:hidden}
  .cta-band::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,rgba(201,242,77,.07) 0 1px,transparent 1px 72px);pointer-events:none}
  .cta-inner{position:relative;display:grid;gap:22px;align-items:center}
  .cta-band h2{font-size:clamp(23px,3.2vw,30px);font-weight:700;line-height:1.35}
  .cta-band p{margin-top:12px;color:#CDE3D8;font-size:15.5px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
  @media (min-width:900px){.cta-inner{grid-template-columns:1.4fr 1fr}.cta-band{padding:52px 48px}}

  /* ---------- 页脚 ---------- */
  .footer{background:var(--brand-900);color:#C9D8CE;padding:64px 0 0;margin-top:8px}
  .footer-grid{display:grid;gap:32px}
  .footer-brand .logo-main,.footer-brand .logo-sub{color:#fff}
  .footer-brand .logo-sub{color:var(--lime)}
  .footer p{font-size:14px;line-height:1.85;color:#AFC6BC}
  .footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
  .footer-links{display:grid;gap:11px}
  .footer-links a{font-size:14px;color:#C9D8CE;transition:color .18s ease}
  .footer-links a:hover{color:var(--lime)}
  .footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#9FB8AE}
  .footer-bottom a{color:#C9D8CE}
  .footer-bottom a:hover{color:var(--lime)}
  @media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
  .to-top{font-size:13px;color:#C9D8CE}

/* roulang page: article */
:root{
  --brand-900:#0B2A22;
  --brand-700:#14503C;
  --brand-500:#1E7A57;
  --lime:#C9F24D;
  --lime-d:#B7E13A;
  --amber:#FF7A2F;
  --bg:#F6F4EE;
  --card:#FFFFFF;
  --ink:#10161A;
  --ink-2:#46525A;
  --line:#E2DED3;
  --r-s:10px;
  --r-m:16px;
  --r-l:22px;
  --sh-1:0 1px 2px rgba(11,42,34,.06);
  --sh-2:0 12px 30px -14px rgba(11,42,34,.18);
  --sh-3:0 18px 42px -18px rgba(11,42,34,.34);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  padding-top:96px;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:3px solid rgba(201,242,77,.55);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.wrap{padding:0 28px}}
@media (min-width:1024px){.wrap{padding:0 32px}}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:80;transition:top .2s ease-out}
.dock-wrap.stuck{top:12px}
.dock{
  width:min(1160px,calc(100% - 32px));
  margin:0 auto;
  height:66px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:0 14px 0 18px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--sh-2);
  transition:box-shadow .2s ease-out,height .2s ease-out;
}
.dock-wrap.stuck .dock{height:62px;box-shadow:var(--sh-3)}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:26px;height:26px;border-radius:8px;background:var(--lime);
  position:relative;flex:0 0 auto;
}
.logo-mark::after{
  content:"";position:absolute;left:6px;right:6px;top:8px;height:2px;border-radius:2px;
  background:var(--brand-900);box-shadow:0 5px 0 var(--brand-900),0 10px 0 rgba(11,42,34,.35);
}
.logo-text{display:flex;flex-direction:column;line-height:1.08}
.logo-main{font-size:16px;font-weight:800;color:var(--brand-900)}
.logo-sub{font-size:10.5px;letter-spacing:.16em;color:var(--ink-2)}
.nav-links{display:none;align-items:center;gap:22px;margin:0 auto}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-link{
  position:relative;font-size:14.5px;color:var(--ink-2);padding:6px 10px;border-radius:999px;
  transition:color .18s ease-out,background .18s ease-out;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:10px;right:10px;bottom:2px;height:2px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out;
}
.nav-link:hover{color:var(--brand-900)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{background:rgba(11,42,34,.08);color:var(--brand-900);font-weight:500}
.nav-link.active::after{transform:scaleX(0)}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  width:38px;height:38px;border-radius:999px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--brand-700);
  transition:background .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
}
.icon-btn:hover{background:#F1F5EE;border-color:#C9D8CE;transform:translateY(-1px)}
.hamburger{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;gap:4px;align-content:center;
}
@media (min-width:1024px){.hamburger{display:none}}
.hamburger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--brand-900);transition:transform .2s ease-out,opacity .2s ease-out}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.drawer{
  display:none;width:min(1160px,calc(100% - 32px));margin:10px auto 0;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-l);box-shadow:var(--sh-3);padding:14px 18px 20px;
}
.drawer.open{display:block}
@media (min-width:1024px){.drawer{display:none!important}}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav .nav-link{display:block;padding:13px 6px;font-size:15px;border-radius:12px}
.drawer-nav .nav-link::after{display:none}
.drawer-sep{height:1px;background:var(--line);margin:12px 0}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.btn-lime{background:var(--lime);color:var(--brand-900)}
.btn-lime:hover{background:var(--lime-d);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;border-color:rgba(20,80,60,.45);color:var(--brand-900)}
.btn-ghost:hover{background:rgba(30,122,87,.08);border-color:var(--brand-700)}
.btn-dark{background:var(--brand-900);color:#fff}
.btn-dark:hover{background:var(--brand-700)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:#EAF7D2;color:var(--brand-700);font-size:12px;font-weight:600;line-height:1.6;
}
.chip{
  display:inline-flex;align-items:center;padding:6px 13px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:13px;color:var(--ink-2);transition:border-color .18s ease-out,color .18s ease-out;
}
.chip:hover{border-color:#C9D8CE;color:var(--brand-900)}

/* ---------- 页面骨架 ---------- */
.page{padding:26px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:16px}
.crumb .sep{color:#C3BEB2}
.crumb a:hover{color:var(--brand-900)}
.crumb .current{color:var(--ink);font-weight:600}

.article-layout{display:block}
.article-col{width:100%;max-width:760px;margin:0 auto}
@media (min-width:1024px){
  .article-layout.has-toc{display:grid;grid-template-columns:200px minmax(0,760px);gap:48px;justify-content:center;align-items:start}
  .article-layout.has-toc .article-col{margin:0}
}
.toc{position:sticky;top:112px;display:none}
@media (min-width:1024px){.toc{display:block}}
.toc-title{font-size:12px;letter-spacing:.14em;color:var(--ink-2);font-weight:600;margin-bottom:12px}
.toc a{
  display:block;font-size:13.5px;line-height:1.55;color:var(--ink-2);
  padding:7px 0 7px 12px;border-left:2px solid var(--line);
  transition:color .18s ease-out,border-color .18s ease-out;
}
.toc a:hover{color:var(--brand-900);border-left-color:var(--lime)}

/* ---------- 文章头 ---------- */
.article-head{padding-bottom:8px;border-bottom:1px solid var(--line)}
.article-head h1{
  font-size:clamp(30px,5vw,44px);font-weight:800;line-height:1.25;letter-spacing:-.01em;
  margin:14px 0 16px;color:var(--brand-900);
}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2)}
.meta .dot{color:#C3BEB2}
.cover{
  margin:26px 0 0;border-radius:var(--r-m);overflow:hidden;aspect-ratio:16/9;background:#E7EFE7;position:relative;
}
.cover img{width:100%;height:100%;object-fit:cover}
.cover::after{content:"";position:absolute;inset:0;background:rgba(11,42,34,.12);pointer-events:none}

/* ---------- 正文排版 ---------- */
.rich{font-size:17px;line-height:1.9;padding:30px 0 6px}
.rich>*:first-child{margin-top:0}
.rich p{margin:0 0 1.15em}
.rich h2{
  position:relative;font-size:clamp(22px,3.4vw,28px);font-weight:700;line-height:1.35;
  margin:44px 0 16px;padding-left:14px;color:var(--brand-900);scroll-margin-top:112px;
}
.rich h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;background:var(--lime);
}
.rich h3{font-size:24px;font-weight:600;line-height:1.45;margin:32px 0 12px;color:var(--ink);scroll-margin-top:112px}
.rich ul,.rich ol{margin:0 0 1.15em;padding-left:1.35em}
.rich li{margin:8px 0;line-height:1.9}
.rich blockquote{
  margin:24px 0;padding:18px 20px;background:#F1F5EE;border-left:3px solid var(--brand-700);
  border-radius:0 var(--r-s) var(--r-s) 0;color:var(--ink-2);font-size:16px;
}
.rich img{border-radius:var(--r-m);margin:24px auto;height:auto}
.rich figure{margin:24px 0}
.rich figcaption,figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:10px}
.rich table{width:100%;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto}
.rich th{background:#EAF7D2;color:var(--brand-900);font-weight:600;text-align:left}
.rich th,.rich td{border:1px solid var(--line);padding:10px 14px;white-space:nowrap}
.rich code{background:#F1F5EE;border-radius:6px;padding:2px 6px;font-size:.94em}
.rich pre{background:#F1F5EE;border-radius:12px;padding:16px 18px;overflow-x:auto;font-size:14px}
.rich a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
.rich a:hover{color:var(--brand-900)}
.rich hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ---------- 空态 ---------- */
.empty{
  text-align:center;padding:52px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-m);
  margin:36px 0 0;
}
.empty .icon{
  width:52px;height:52px;border-radius:14px;border:1.5px solid var(--lime);display:grid;place-items:center;
  margin:0 auto 18px;color:var(--brand-700);background:#F7FBEF;
}
.empty h2{font-size:22px;font-weight:700;color:var(--brand-900);margin-bottom:10px}
.empty p{font-size:15px;color:var(--ink-2);margin-bottom:22px}

/* ---------- 文章尾部动作 ---------- */
.actions{display:flex;flex-wrap:wrap;gap:14px;margin:40px 0 0;padding-top:26px;border-top:1px solid var(--line)}

/* ---------- 板块 ---------- */
.section{padding:64px 0 0}
@media (min-width:768px){.section{padding:80px 0 0}}
.section-head{max-width:660px;margin-bottom:28px}
.section-head h2{font-size:clamp(24px,3.6vw,32px);font-weight:700;line-height:1.35;color:var(--brand-900)}
.section-head p{margin-top:12px;font-size:15.5px;color:var(--ink-2)}

/* ---------- 卡片 ---------- */
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.card:hover{transform:translateY(-2px);border-color:#C9D8CE;box-shadow:var(--sh-2)}
.card .thumb{aspect-ratio:16/9;background:#E7EFE7;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.card:hover .thumb img{transform:scale(1.02)}
.card-body{padding:16px 18px 20px;display:flex;flex-direction:column;flex:1}
.card h3{font-size:17px;font-weight:600;line-height:1.5;margin:10px 0 8px;color:var(--ink)}
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card p.desc{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;
  padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-2);
}
.card-foot .more{color:var(--brand-700);font-weight:600}
.card:hover .card-foot .more{color:var(--brand-900)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);max-width:860px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:18px 0;font-size:16px;font-weight:500;color:var(--ink);cursor:pointer;
}
.faq summary::-webkit-details-marker{display:none}
.faq .sign{
  flex:0 0 auto;width:24px;height:24px;border-radius:999px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--brand-700);font-size:14px;line-height:1;
  transition:transform .2s ease-out,background .2s ease-out,border-color .2s ease-out;
}
.faq details[open] .sign{transform:rotate(180deg);background:var(--lime);border-color:var(--lime);color:var(--brand-900)}
.faq .ans{padding:0 0 20px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:780px}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand-900);color:#fff;
  border-radius:var(--r-l);padding:46px 28px;margin-top:64px;
}
@media (min-width:768px){.cta-band{padding:56px 48px}}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(201,242,77,.08) 0 1px,transparent 1px 120px);
}
.cta-band>.inner{position:relative;z-index:1}
.cta-band h2{font-size:clamp(24px,3.6vw,32px);font-weight:700;line-height:1.35}
.cta-band p{margin-top:14px;max-width:640px;color:#C9D8CE;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}

/* ---------- 页脚 ---------- */
.footer{background:var(--brand-900);color:#C9D8CE;padding:64px 0 28px;margin-top:72px}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}}
.footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.9;color:#A9BDB2;max-width:420px}
.footer .logo-main{color:#fff}
.footer .logo-sub{color:#8FA89C}
.footer .logo-mark{background:var(--lime)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14.5px;color:#C9D8CE;transition:color .18s ease-out}
.footer-links a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:46px;padding-top:20px;border-top:1px solid rgba(201,242,77,.16);
  font-size:13px;color:#8FA89C;
}
.to-top{color:var(--lime);font-weight:600}
.to-top:hover{color:#fff}

/* roulang page: category1 */
:root{
  --brand-900:#0B2A22;
  --brand-700:#14503C;
  --brand-500:#1E7A57;
  --lime:#C9F24D;
  --lime-deep:#B7E13A;
  --amber:#FF7A2F;
  --bg:#F6F4EE;
  --card:#FFFFFF;
  --ink:#10161A;
  --ink-2:#46525A;
  --line:#E2DED3;
  --r-s:10px;
  --r-m:16px;
  --r-l:22px;
  --sh-1:0 1px 2px rgba(11,42,34,.06);
  --sh-2:0 12px 30px -14px rgba(11,42,34,.18);
  --sh-3:0 18px 42px -18px rgba(11,42,34,.34);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:120px}
body{
  margin:0;
  padding-top:96px;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--brand-900);font-weight:700}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(201,242,77,.8);outline-offset:2px;border-radius:8px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px}

/* ============ 浮动 Dock 导航 ============ */
.dock{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:min(1160px,calc(100% - 32px));
  z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--sh-2);
  transition:box-shadow .18s ease-out,top .18s ease-out;
}
.dock.scrolled{top:12px;box-shadow:var(--sh-3)}
.dock-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:62px;
  padding:9px 12px 9px 18px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  position:relative;
  width:26px;height:26px;
  border-radius:9px;
  background:var(--lime);
  box-shadow:inset 0 0 0 1px rgba(11,42,34,.2);
  flex:0 0 auto;
}
.logo-mark::after{
  content:"";
  position:absolute;inset:6px;
  border-radius:50%;
  border:2px solid var(--brand-900);
  border-right-color:transparent;
  transform:rotate(-35deg);
}
.logo-text{display:flex;flex-direction:column;line-height:1.08}
.logo-main{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--brand-900)}
.logo-sub{font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--ink-2)}
.nav-links{display:flex;align-items:center;gap:22px}
.nav-link{
  position:relative;
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-2);
  padding:7px 2px;
  transition:color .16s ease-out;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-3px;height:2px;
  border-radius:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease-out;
}
.nav-link:hover{color:var(--brand-900)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{
  color:var(--brand-900);
  font-weight:600;
  background:rgba(11,42,34,.08);
  border-radius:999px;
  padding:7px 14px;
}
.nav-link.active::after{display:none}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--brand-900);
  cursor:pointer;
  transition:border-color .16s ease-out,background .16s ease-out,transform .16s ease-out;
}
.icon-btn:hover{border-color:var(--brand-500);background:#F1F5EE;transform:translateY(-1px)}
.hamburger{
  display:none;
  align-items:center;justify-content:center;
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
}
.hamburger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--brand-900);position:relative}
.hamburger span::before,
.hamburger span::after{content:"";position:absolute;left:0;width:16px;height:2px;border-radius:2px;background:var(--brand-900)}
.hamburger span::before{top:-5px}
.hamburger span::after{top:5px}
.drawer{
  position:fixed;top:88px;left:16px;right:16px;z-index:59;
  display:none;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-3);
  padding:14px 16px 18px;
}
.drawer.open{display:block}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{padding:14px 4px;font-size:15px;font-weight:500;color:var(--ink-2);border-bottom:1px solid var(--line)}
.drawer-links a.active{color:var(--brand-900);font-weight:700}
.drawer-cta{width:100%;margin-top:16px}

/* ============ 按钮 / 标签 / 文字链 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;
  border:1px solid transparent;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:transform .16s ease-out,background .16s ease-out,border-color .16s ease-out,box-shadow .16s ease-out;
}
.btn-primary{background:var(--lime);color:var(--brand-900);box-shadow:0 10px 24px -14px rgba(11,42,34,.65)}
.btn-primary:hover{background:var(--lime-deep);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--brand-900);color:var(--brand-900);background:transparent}
.btn-ghost:hover{background:rgba(11,42,34,.06);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 26px;font-size:16px}
.tag{
  display:inline-block;
  border-radius:999px;
  padding:5px 12px;
  font-size:12px;
  font-weight:700;
  line-height:1.6;
  background:#EAF7D2;
  color:var(--brand-900);
}
.tag-warn{background:rgba(255,122,47,.15);color:#B24E12}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--brand-700);
  border-bottom:1px solid rgba(30,122,87,.35);
  padding-bottom:2px;
  transition:color .16s ease-out,border-color .16s ease-out;
}
.text-link::after{content:"→";font-size:14px;transition:transform .16s ease-out}
.text-link:hover{color:var(--brand-900);border-bottom-color:var(--lime-deep)}
.text-link:hover::after{transform:translateX(3px)}

/* ============ 首屏 ============ */
.hero{padding:36px 0 68px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:16px}
.crumb a{transition:color .16s ease-out}
.crumb a:hover{color:var(--brand-700);text-decoration:underline}
.crumb-cur{font-weight:700;color:var(--brand-900)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13.5px;font-weight:700;color:var(--brand-700);
}
.eyebrow::before{content:"";width:20px;height:3px;border-radius:2px;background:var(--lime)}
.hero h1{
  margin-top:16px;
  font-size:clamp(30px,5vw,44px);
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.01em;
}
.lead{margin-top:20px;font-size:17px;color:var(--ink-2);max-width:38em}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.trust{
  display:flex;flex-wrap:wrap;
  margin-top:36px;padding-top:22px;
  border-top:1px solid var(--line);
}
.trust li{display:flex;flex-direction:column;gap:2px;padding:0 24px;border-left:1px solid var(--line)}
.trust li:first-child{padding-left:0;border-left:0}
.trust strong{font-size:15px;font-weight:700;color:var(--brand-900)}
.trust span{font-size:13px;color:var(--ink-2);line-height:1.7}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-media{position:relative}
.hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-l);
  box-shadow:var(--sh-2);
  background:#EAF7D2;
}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  border-radius:var(--r-l);
  background:rgba(11,42,34,.12);
  pointer-events:none;
}
.float-card{
  position:absolute;left:-18px;bottom:-24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-m);
  box-shadow:var(--sh-2);
  padding:14px 18px;
  min-width:212px;
}
.float-card .float-label{display:block;font-size:12px;font-weight:700;color:var(--brand-700);letter-spacing:.06em}
.float-card strong{display:block;font-size:14.5px;color:var(--ink);margin-top:4px;font-weight:600}

/* ============ 区块通用 ============ */
.sec{padding:52px 0}
.sec-head{max-width:740px;margin-bottom:34px}
.sec-head h2{font-size:clamp(24px,3.2vw,32px);font-weight:700;line-height:1.35;margin-bottom:16px}
.sec-head p{margin:0;font-size:16px;color:var(--ink-2)}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-block;
  border-radius:999px;
  background:#EAF7D2;
  border:1px solid #DCEEBB;
  color:var(--brand-900);
  font-size:13px;
  font-weight:600;
  padding:7px 15px;
  line-height:1.6;
}

/* ============ 步骤时间轴 ============ */
.timeline{margin-top:38px}
.step{position:relative;display:grid;grid-template-columns:64px minmax(0,1fr);gap:0 24px;padding-bottom:24px}
.step::before{
  content:"";
  position:absolute;left:21px;top:52px;bottom:-4px;width:2px;
  background:var(--line);
}
.step:last-child{padding-bottom:0}
.step:last-child::before{display:none}
.step-num{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:999px;
  border:2px solid var(--lime);
  background:#fff;
  color:var(--brand-900);
  font-size:15px;font-weight:800;
  box-shadow:var(--sh-1);
}
.step-card{
  display:grid;
  grid-template-columns:minmax(0,1fr) 208px;
  gap:24px;
  align-items:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.step-card:hover{transform:translateY(-2px);border-color:#C9D8CE;box-shadow:var(--sh-2)}
.step-card h3{font-size:19px;font-weight:600;line-height:1.45;margin-bottom:8px}
.step-card p{margin:0 0 12px;font-size:15.5px;line-height:1.8;color:var(--ink-2)}
.step-card img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:14px;background:#EAF7D2;
}

/* ============ 暗色横带 ============ */
.banner{
  position:relative;
  border-radius:var(--r-l);
  overflow:hidden;
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh-2);
}
.banner::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,42,34,.94) 0%,rgba(11,42,34,.8) 58%,rgba(11,42,34,.58) 100%);
}
.banner::after{
  content:"";
  position:absolute;inset:0;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 1px,transparent 1px 84px);
  pointer-events:none;
}
.banner-inner{position:relative;z-index:1;padding:56px 48px;color:#fff;max-width:800px}
.banner-inner h2{color:#fff;font-size:clamp(23px,3vw,30px);line-height:1.35;margin-bottom:14px}
.banner-inner p{color:#C9D8CE;font-size:15.5px;margin:0;max-width:44em}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:34px;max-width:640px}
.stats strong{display:block;font-size:clamp(28px,3.6vw,36px);font-weight:800;color:var(--lime);line-height:1.1}
.stats span{display:block;font-size:13px;color:#B9CEC4;margin-top:6px;line-height:1.7}

/* ============ 设备与场景 ============ */
.device-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
.device-hero{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.device-hero:hover{transform:translateY(-2px);border-color:#C9D8CE;box-shadow:var(--sh-2)}
.device-hero img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#EAF7D2}
.device-hero-body{padding:26px 28px 30px}
.device-hero-body h3{font-size:21px;font-weight:600;margin:12px 0 10px}
.device-hero-body p{margin:0 0 16px;font-size:15.5px;line-height:1.85;color:var(--ink-2)}
.device-side{display:grid;gap:24px}
.mini-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.mini-card:hover{transform:translateY(-2px);border-color:#C9D8CE;box-shadow:var(--sh-2)}
.mini-card h3{font-size:18px;font-weight:600;margin:12px 0 8px}
.mini-card p{margin:0;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line);max-width:900px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 4px;
  font-size:16px;font-weight:500;
  color:var(--ink);
  cursor:pointer;
  list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";
  flex:0 0 auto;
  font-size:20px;
  line-height:1;
  color:var(--brand-700);
  transition:transform .18s ease-out;
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{
  margin:0 0 20px;
  padding-right:8px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
}

/* ============ CTA ============ */
.cta-card{
  position:relative;
  display:grid;
  grid-template-columns:1.4fr .6fr;
  gap:32px;
  align-items:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:44px 48px;
  box-shadow:var(--sh-2);
  overflow:hidden;
}
.cta-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--lime)}
.cta-card h2{font-size:clamp(23px,2.8vw,28px);line-height:1.35;margin-bottom:12px}
.cta-card p{margin:0;font-size:15.5px;color:var(--ink-2);max-width:44em}
.cta-actions{display:flex;flex-direction:column;align-items:flex-start;gap:16px}

/* ============ 页脚 ============ */
.footer{
  position:relative;
  margin-top:48px;
  padding:64px 0 26px;
  background:var(--brand-900);
  color:#C9D8CE;
}
.footer::before{
  content:"";
  position:absolute;inset:0;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 76px);
  pointer-events:none;
}
.footer .wrap{position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer h4{font-size:15px;font-weight:700;color:#fff;margin:0 0 14px}
.footer p{font-size:14px;line-height:1.85;color:#A9BEB4;margin:0}
.footer .logo-main{color:#fff}
.footer .logo-sub{color:#9FB6AC}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#C9D8CE;transition:color .16s ease-out}
.footer-links a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8FA79C;
}
.to-top{color:var(--lime);font-weight:600}
.to-top:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .wrap{padding:0 28px}
  .nav-links{gap:16px}
  .dock-actions .btn{display:none}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-media{order:2}
  .step-card{grid-template-columns:minmax(0,1fr) 168px}
  .device-grid{grid-template-columns:1fr}
  .device-side{grid-template-columns:1fr 1fr;grid-template-rows:none}
  .cta-card{grid-template-columns:1fr;padding:36px 32px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .nav-links{display:none}
  .icon-btn{display:none}
  .hamburger{display:inline-flex}
}
@media (max-width:768px){
  body{padding-top:88px;font-size:16.5px}
  .wrap{padding:0 20px}
  .hero{padding:24px 0 48px}
  .sec{padding:40px 0}
  .trust{flex-direction:column;gap:16px}
  .trust li{padding:0;border-left:0}
  .float-card{left:12px;bottom:-20px;min-width:0;max-width:calc(100% - 24px)}
  .step{grid-template-columns:44px minmax(0,1fr);gap:0 14px}
  .step::before{left:21px}
  .step-card{grid-template-columns:1fr;gap:16px;padding:20px}
  .banner-inner{padding:36px 24px}
  .stats{grid-template-columns:1fr;gap:18px;margin-top:26px}
  .device-side{grid-template-columns:1fr}
  .cta-card{padding:30px 22px;border-radius:var(--r-m)}
  .cta-actions{flex-direction:row;flex-wrap:wrap;align-items:center;gap:14px}
  .footer{padding:48px 0 24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .wrap{padding:0 18px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .chips{gap:8px}
  .chip{font-size:12.5px;padding:6px 12px}
}

/* roulang page: category2 */
:root{
  --brand-900:#0B2A22;
  --brand-700:#14503C;
  --brand-500:#1E7A57;
  --lime:#C9F24D;
  --lime-deep:#B7E13A;
  --amber:#FF7A2F;
  --bg:#F6F4EE;
  --card:#FFFFFF;
  --ink:#10161A;
  --ink-2:#46525A;
  --line:#E2DED3;
  --r-s:10px;
  --r-m:16px;
  --r-l:22px;
  --sh-1:0 1px 2px rgba(11,42,34,.06);
  --sh-2:0 12px 30px -14px rgba(11,42,34,.18);
  --sh-3:0 18px 42px -18px rgba(11,42,34,.34);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  padding-top:98px;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
input{font:inherit}
:focus-visible{outline:3px solid rgba(201,242,77,.7);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-0.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 28px}}
@media(min-width:1024px){.wrap{padding:0 32px}}

/* ============ Dock 导航 ============ */
.dock-wrap{
  position:fixed;left:0;right:0;top:16px;z-index:70;
  display:flex;flex-direction:column;align-items:center;
  padding:0 16px;pointer-events:none;
  transition:top .2s ease;
}
.dock-wrap.is-stuck{top:12px}
.dock{
  pointer-events:auto;
  width:min(1160px,100%);
  display:flex;align-items:center;gap:16px;
  height:66px;padding:0 12px 0 18px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--sh-2);
  transition:box-shadow .2s ease;
}
.dock-wrap.is-stuck .dock{box-shadow:var(--sh-3)}
.logo{display:flex;align-items:center;gap:10px;min-width:0}
.logo-mark{
  width:24px;height:24px;border-radius:8px;background:var(--lime);
  position:relative;flex:0 0 auto;
}
.logo-mark::after{
  content:'';position:absolute;left:6px;right:6px;top:6px;bottom:6px;
  border-left:2px solid var(--brand-900);border-bottom:2px solid var(--brand-900);
  border-radius:0 0 0 7px;
}
.logo-text{display:flex;flex-direction:column;line-height:1.12}
.logo-main{font-size:16px;font-weight:800;color:var(--brand-900);letter-spacing:-0.01em}
.logo-sub{font-size:11px;letter-spacing:.08em;color:var(--ink-2)}
.nav-links{display:flex;align-items:center;gap:6px;margin:0 auto}
.nav-link{
  position:relative;font-size:14.5px;color:var(--ink-2);
  padding:8px 14px;border-radius:999px;transition:color .18s ease,background .18s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand-700)}
.nav-link:hover::after{
  content:'';position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--lime);border-radius:2px;
}
.nav-link.active{
  background:rgba(11,42,34,.08);color:var(--brand-900);font-weight:500;
}
.nav-link.active::after{display:none}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--brand-700);
  transition:border-color .18s ease,background .18s ease,transform .18s ease;
}
.icon-btn:hover{border-color:var(--brand-500);background:#F3F8F2;transform:translateY(-1px)}
.burger{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:14px 26px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-primary{background:var(--lime);color:var(--brand-900);border-color:var(--lime);box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--lime-deep);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--brand-900);color:var(--brand-900)}
.btn-ghost:hover{background:rgba(11,42,34,.07)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12)}
.search-panel{
  pointer-events:auto;display:none;width:min(1160px,100%);margin-top:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh-3);padding:16px;
}
.search-panel.is-open{display:block}
.search-form{display:flex;gap:10px;flex-wrap:wrap}
.search-form input{
  flex:1 1 240px;height:48px;border-radius:12px;border:1px solid var(--line);
  padding:0 14px;color:var(--ink);background:#fff;
}
.search-form input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(201,242,77,.45)}
.search-hint{font-size:13px;color:var(--ink-2);margin-top:10px}
.drawer{
  pointer-events:auto;display:none;width:min(1160px,100%);margin-top:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh-3);padding:14px 16px 18px;
}
.drawer.is-open{display:block}
.drawer a.drawer-link{
  display:block;padding:13px 4px;font-size:15.5px;color:var(--ink);border-bottom:1px solid var(--line);
}
.drawer a.drawer-link.is-active{color:var(--brand-700);font-weight:600}
.drawer .btn{width:100%;margin-top:16px}

@media(max-width:1023px){
  .nav-links{display:none}
  .burger{display:inline-flex}
  .dock-actions .btn-primary{display:none}
}
@media(min-width:1024px){
  .drawer{display:none !important}
}

/* ============ Hero ============ */
.hero-band{
  background-color:var(--brand-900);
  background-image:
    repeating-linear-gradient(90deg, rgba(201,242,77,.07) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(201,242,77,.05) 0 1px, transparent 1px 72px);
  color:#fff;
  padding:64px 0 72px;
  border-radius:0;
}
@media(min-width:768px){.hero-band{padding:78px 0 88px}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:44px;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:56px}}
.crumbs{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:14px}
.crumbs a:hover{color:var(--lime)}
.crumbs span.sep{margin:0 8px;opacity:.6}
.crumbs strong{color:#fff;font-weight:600}
.hero-band h1{
  font-size:clamp(30px,5vw,44px);font-weight:800;line-height:1.25;color:#fff;
  margin-bottom:18px;
}
.hero-band h1 em{font-style:normal;color:var(--lime)}
.hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.82);max-width:620px}
.hero-lead{
  margin-top:18px;font-size:15px;line-height:1.9;color:rgba(201,216,206,.92);max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-visual{position:relative}
.hero-visual .frame{
  position:relative;border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-3);
  aspect-ratio:16/10;background:#0B2A22;
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover}
.hero-visual .frame::after{
  content:'';position:absolute;inset:0;background:rgba(11,42,34,.12);
}
.hero-float{
  position:absolute;left:16px;bottom:-22px;display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  box-shadow:var(--sh-2);padding:12px 16px 12px 12px;max-width:300px;
}
.hero-float img{width:54px;height:54px;object-fit:cover;border-radius:10px;flex:0 0 auto}
.hero-float .t1{font-size:14px;font-weight:600;color:var(--ink);line-height:1.4}
.hero-float .t2{font-size:12.5px;color:var(--ink-2);font-variant-numeric:tabular-nums}

/* ============ 通用板块 ============ */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:64px 0}}
@media(min-width:1024px){.section{padding:88px 0}}
.sec-head{max-width:760px;margin-bottom:32px}
.sec-head h2{font-size:clamp(24px,3.2vw,32px);font-weight:700;color:var(--brand-900);margin-bottom:16px}
.sec-head p{color:var(--ink-2);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--brand-700);background:#EAF7D2;border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ============ 标签云 ============ */
.chip-row{
  display:flex;gap:10px;overflow-x:auto;padding:4px 4px 14px;margin-bottom:8px;
  scrollbar-width:thin;
}
.chip-row::-webkit-scrollbar{height:6px}
.chip-row::-webkit-scrollbar-thumb{background:#D8D3C6;border-radius:99px}
.chip{
  flex:0 0 auto;border-radius:999px;border:1px solid var(--line);background:#fff;
  padding:9px 16px;font-size:14px;color:var(--ink-2);white-space:nowrap;
  transition:border-color .18s ease,color .18s ease,background .18s ease,transform .18s ease;
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px)}
.chip.is-on{background:var(--brand-900);border-color:var(--brand-900);color:#fff}
.chip-row-note{font-size:13px;color:var(--ink-2);margin-bottom:24px}

/* ============ 功能矩阵 ============ */
.grid-3{display:grid;grid-template-columns:1fr;gap:22px;scroll-margin-top:120px}
@media(min-width:640px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr);gap:24px}}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);
  padding:26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.feature-card:hover{transform:translateY(-2px);border-color:#C9D8CE;box-shadow:var(--sh-2)}
.icon-box{
  width:44px;height:44px;border-radius:var(--r-s);background:var(--brand-900);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;flex:0 0 auto;
}
.feature-card h3{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:10px}
.feature-card p{font-size:15px;color:var(--ink-2);line-height:1.8}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  display:inline-flex;align-items:center;border-radius:999px;background:#EAF7D2;
  color:var(--brand-700);font-size:12px;padding:5px 11px;line-height:1.5;
}
.tag-amber{background:rgba(255,122,47,.14);color:#B04E14}
.feature-empty{
  display:none;text-align:center;padding:48px 24px;border:1px dashed #CFC9BA;border-radius:var(--r-m);
  background:rgba(255,255,255,.6);margin-top:8px;
}
.feature-empty .dot{
  width:44px;height:44px;border-radius:12px;border:2px solid var(--lime);margin:0 auto 16px;
}
.feature-empty p{font-size:15px;color:var(--ink-2);margin-bottom:16px}

/* ============ 数据条 ============ */
.kpi-band{
  margin-top:48px;background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh-2);padding:8px 0;
  display:grid;grid-template-columns:1fr;
}
@media(min-width:768px){.kpi-band{grid-template-columns:repeat(3,1fr)}}
.kpi{padding:26px 28px;border-bottom:1px solid var(--line)}
.kpi:last-child{border-bottom:0}
@media(min-width:768px){
  .kpi{border-bottom:0;border-right:1px solid var(--line)}
  .kpi:last-child{border-right:0}
}
.kpi .num{
  font-size:30px;font-weight:800;color:var(--brand-900);font-variant-numeric:tabular-nums;
  line-height:1.2;display:flex;align-items:baseline;gap:6px;
}
.kpi .num small{font-size:14px;font-weight:600;color:var(--brand-500)}
.kpi .label{font-size:14px;color:var(--ink-2);margin-top:8px;line-height:1.7}

/* ============ 使用流程 ============ */
.flow{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.flow{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.flow{grid-template-columns:repeat(4,1fr)}}
.flow-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:24px;
  box-shadow:var(--sh-1);position:relative;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.flow-item:hover{transform:translateY(-2px);border-color:#C9D8CE;box-shadow:var(--sh-2)}
.flow-no{
  width:44px;height:44px;border-radius:12px;background:var(--lime);color:var(--brand-900);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
  font-variant-numeric:tabular-nums;margin-bottom:18px;
}
.flow-item h3{font-size:18px;font-weight:600;margin-bottom:10px}
.flow-item p{font-size:14.5px;color:var(--ink-2);line-height:1.8}

/* ============ 图文 / 对应关系 ============ */
.split{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:1024px){.split{grid-template-columns:320px 1fr;gap:56px}}
.split .sticky-col{position:static}
@media(min-width:1024px){
  .split .sticky-col{position:sticky;top:112px;align-self:start}
}
.split .sticky-col h2{font-size:clamp(23px,3vw,29px);font-weight:700;color:var(--brand-900);margin-bottom:14px}
.split .sticky-col p{font-size:15px;color:var(--ink-2)}
.link-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh-1)}
.link-row{
  display:flex;align-items:flex-start;gap:16px;padding:22px 24px;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.link-row:last-child{border-bottom:0}
.link-row:hover{background:#FAFBF6}
.link-row .idx{
  font-size:13px;font-weight:700;color:var(--brand-700);background:#EAF7D2;border-radius:999px;
  padding:4px 10px;flex:0 0 auto;margin-top:3px;
}
.link-row h3{font-size:17px;font-weight:600;margin-bottom:6px}
.link-row h3 a{border-bottom:1px solid transparent;transition:border-color .18s ease,color .18s ease}
.link-row h3 a:hover{color:var(--brand-700);border-color:var(--lime)}
.link-row p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.visual-card{
  margin-top:28px;border-radius:var(--r-m);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-1);background:#fff;
}
.visual-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.visual-card figcaption{font-size:13px;color:var(--ink-2);padding:14px 18px}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:16px;font-weight:500;color:var(--ink);cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:'+';font-size:22px;line-height:1;color:var(--brand-500);
  transition:transform .2s ease-out;flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .answer{padding:0 4px 24px;font-size:15px;color:var(--ink-2);line-height:1.85;max-width:780px}

/* ============ CTA ============ */
.cta-band{
  background-color:var(--brand-900);
  background-image:repeating-linear-gradient(90deg, rgba(201,242,77,.08) 0 1px, transparent 1px 64px);
  border-radius:var(--r-l);color:#fff;padding:48px 28px;text-align:center;
}
@media(min-width:768px){.cta-band{padding:60px 56px}}
.cta-band h2{font-size:clamp(24px,3.4vw,34px);font-weight:700;color:#fff;margin-bottom:16px}
.cta-band p{color:rgba(201,216,206,.92);font-size:16px;max-width:640px;margin:0 auto 28px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ============ 页脚 ============ */
.footer{background:var(--brand-900);color:#C9D8CE;padding:64px 0 28px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px}}
.footer h4{font-size:16px;font-weight:600;color:#fff;margin-bottom:16px}
.footer p{font-size:14px;line-height:1.85;color:#A9C1B6}
.footer .logo-main{color:#fff}
.footer .logo-sub{color:#8FAEA1}
.footer-links{display:flex;flex-direction:column;gap:11px;font-size:14px}
.footer-links a{color:#C9D8CE;transition:color .18s ease}
.footer-links a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:22px;font-size:13px;color:#8FAEA1;
}
.to-top{color:var(--lime);font-weight:600}
.to-top:hover{text-decoration:underline}

/* roulang page: category3 */
:root{
  --brand-900:#0B2A22;
  --brand-700:#14503C;
  --brand-500:#1E7A57;
  --lime:#C9F24D;
  --lime-dark:#B7E13A;
  --amber:#FF7A2F;
  --bg:#F6F4EE;
  --card:#FFFFFF;
  --ink:#10161A;
  --ink-2:#46525A;
  --line:#E2DED3;
  --r-s:10px;
  --r-m:16px;
  --r-l:22px;
  --sh-1:0 1px 2px rgba(11,42,34,.06);
  --sh-2:0 12px 30px -14px rgba(11,42,34,.18);
  --sh-3:0 18px 42px -18px rgba(11,42,34,.34);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:3px solid rgba(201,242,77,.6);
  outline-offset:2px;
  border-radius:8px;
}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,3vw,30px);font-weight:700;line-height:1.35;margin-bottom:16px}
.section-head p{font-size:15.5px;color:var(--ink-2);line-height:1.8;margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--brand-500);letter-spacing:.02em;margin-bottom:12px}
.eyebrow::before{content:"";width:16px;height:3px;border-radius:2px;background:var(--lime)}

/* ============ Dock 导航 ============ */
.dock{position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:60;width:min(1160px,calc(100% - 32px));}
.dock-inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  height:66px;padding:0 12px 0 18px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--sh-2);
  transition:box-shadow .2s ease,height .2s ease;
}
.dock.scrolled .dock-inner{box-shadow:var(--sh-3);height:62px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:26px;height:26px;border-radius:8px;background:var(--lime);position:relative;flex:0 0 auto;
  box-shadow:inset 0 0 0 1px rgba(11,42,34,.14);
}
.logo-mark::after{
  content:"";position:absolute;left:5px;right:5px;bottom:5px;height:8px;
  border:2px solid var(--brand-900);border-bottom:none;
  border-radius:50% 50% 0 0 / 100% 100% 0 0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-main{font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--brand-900)}
.logo-sub{font-size:11px;letter-spacing:.06em;color:var(--ink-2)}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;border-radius:999px;
  font-size:14.5px;color:var(--ink-2);
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--brand-900)}
.nav-link:hover::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--lime);border-radius:2px;
}
.nav-link.active{background:rgba(11,42,34,.08);color:var(--brand-900);font-weight:500}
.nav-link.active::after{display:none}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;border-radius:999px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--brand-700);
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-900);transform:translateY(-1px)}
.btn-cta{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--lime);color:var(--brand-900);
  font-size:14px;font-weight:600;padding:10px 18px;border-radius:999px;border:1px solid transparent;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-cta:hover{background:var(--lime-dark);transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(11,42,34,.6)}
.dock-toggle{
  display:none;width:42px;height:42px;border-radius:999px;border:1px solid var(--line);background:#fff;
  place-items:center;gap:4px;flex-direction:column;
}
.dock-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--brand-900);transition:transform .18s ease,opacity .18s ease}
.drawer{
  display:none;position:fixed;top:92px;left:16px;right:16px;z-index:59;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh-3);padding:14px;
}
.drawer.open{display:block}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{padding:14px 10px;font-size:15.5px;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-nav a:last-child{border-bottom:none}
.drawer-nav a.active{color:var(--brand-700);font-weight:600}
.drawer-cta{margin-top:12px;display:flex;justify-content:center}

/* ============ Hero ============ */
main{padding-top:96px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:16px}
.crumb .sep{color:#B6AFA0}
.crumb .current{color:var(--ink);font-weight:600}
.hero{padding-top:34px}
.hero-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-l);background:var(--brand-900);
  padding:56px 48px;display:flex;align-items:flex-end;min-height:380px;
}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.4}
.hero-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(11,42,34,.95) 0%,rgba(11,42,34,.8) 50%,rgba(11,42,34,.52) 100%);
}
.hero-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 1px,transparent 1px 104px);
}
.hero-content{position:relative;z-index:2;max-width:780px}
.hero-content h1{
  color:#fff;font-size:clamp(30px,5vw,44px);font-weight:800;line-height:1.25;
  letter-spacing:-.01em;margin-top:18px;
}
.hero-sub{color:#D5E2D9;font-size:17px;line-height:1.85;margin:18px 0 0;max-width:640px}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--lime);color:var(--brand-900);font-size:15px;font-weight:600;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary:hover{background:var(--lime-dark);transform:translateY(-2px);box-shadow:0 14px 28px -14px rgba(201,242,77,.95)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;color:#fff;font-size:15px;font-weight:500;
  padding:12px 24px;border-radius:999px;border:1px solid rgba(255,255,255,.42);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);background:rgba(201,242,77,.08)}
.hero-facts{display:flex;flex-wrap:wrap;margin-top:30px}
.hero-facts li{
  display:flex;align-items:center;gap:8px;
  font-size:13.5px;color:#C9D8CE;
  padding-right:20px;margin-right:20px;border-right:1px solid rgba(255,255,255,.18);
}
.hero-facts li:last-child{border-right:none;margin-right:0;padding-right:0}
.hero-facts svg{flex:0 0 auto}

/* ============ 标签 / 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:500;
}
.badge-lime{background:rgba(201,242,77,.18);color:var(--lime);border:1px solid rgba(201,242,77,.38)}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  background:#EAF7D2;color:var(--brand-700);
  font-size:12px;font-weight:500;white-space:nowrap;
}
.tag-warn{background:rgba(255,122,47,.14);color:#9A3F10}

/* ============ 双栏主体 ============ */
.split{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:32px;align-items:start}
.prose-block{background:#fff;border:1px solid var(--line);border-radius:var(--r-l);padding:36px;box-shadow:var(--sh-1)}
.prose-block h2{font-size:clamp(22px,2.6vw,27px);font-weight:700;line-height:1.35;margin-bottom:16px}
.prose-block h3{font-size:19px;font-weight:600;line-height:1.5;margin:28px 0 10px}
.prose-block p{font-size:16px;color:var(--ink-2);line-height:1.9}
.side-figure{margin:26px 0 0}
.side-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-m)}
.side-figure figcaption{font-size:13px;color:#7B868C;margin-top:10px;line-height:1.7}

/* 提示卡列 */
.sticky-col{position:sticky;top:104px;display:grid;gap:16px}
.tip{
  border-radius:var(--r-m);padding:20px;border-left:3px solid;font-size:14.5px;line-height:1.78;
}
.tip strong{display:block;font-size:15px;font-weight:600;margin-bottom:6px}
.tip-info{background:#EAF7D2;border-color:var(--brand-500);color:#1B4A38}
.tip-info strong{color:#0B2A22}
.tip-warn{background:rgba(255,122,47,.13);border-color:var(--amber);color:#7C3309}
.tip-warn strong{color:#8A3B0D}
.tip-more{background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand-700);border-radius:var(--r-m);padding:20px;font-size:14px;color:var(--ink-2);line-height:1.8}
.tip-more a{color:var(--brand-700);font-weight:600;border-bottom:1px solid rgba(30,122,87,.35);transition:color .18s ease,border-color .18s ease}
.tip-more a:hover{color:var(--brand-900);border-color:var(--brand-900)}

/* ============ 对照清单 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:8px}
.compare-col{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:24px;box-shadow:var(--sh-1)}
.compare-col.ok{border-left:3px solid var(--brand-500)}
.compare-col.warn{border-left:3px solid var(--amber)}
.compare-col h3{font-size:17px;font-weight:600;margin:0 0 14px;display:flex;align-items:center;gap:10px}
.dot-mark{width:22px;height:22px;border-radius:999px;display:grid;place-items:center;font-size:13px;font-weight:700;flex:0 0 auto}
.dot-ok{background:#EAF7D2;color:var(--brand-700);border:1px solid rgba(30,122,87,.35)}
.dot-warn{background:rgba(255,122,47,.16);color:#9A3F10;border:1px solid rgba(255,122,47,.45)}
.compare-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:11px 0;border-bottom:1px dashed var(--line);
  font-size:15px;color:var(--ink-2);line-height:1.7;
}
.compare-list li:last-child{border-bottom:none;padding-bottom:0}
.compare-list .bullet{flex:0 0 auto;margin-top:7px;width:6px;height:6px;border-radius:2px;background:var(--brand-500)}
.compare-col.warn .compare-list .bullet{background:var(--amber)}

/* ============ 异常自查列表 ============ */
.fix-list{display:grid;gap:12px}
.fix-item{
  display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:20px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  padding:20px 24px;box-shadow:var(--sh-1);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.fix-item:hover{transform:translateY(-2px);border-color:#C9D8CE;box-shadow:var(--sh-2)}
.fix-num{font-size:24px;font-weight:800;color:var(--brand-500);letter-spacing:-.02em}
.fix-item h3{font-size:17px;font-weight:600;margin-bottom:4px}
.fix-item p{font-size:14.5px;color:var(--ink-2);line-height:1.72;margin:0}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;cursor:pointer;font-size:16px;font-weight:500;color:var(--ink);
  list-style:none;transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-700)}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:999px;
  border:1px solid var(--line);display:grid;place-items:center;
  color:var(--brand-500);font-size:17px;line-height:1;
  transition:transform .18s ease,background .18s ease,color .18s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);background:#EAF7D2;color:var(--brand-900)}
.faq-item p{font-size:15px;line-height:1.86;color:var(--ink-2);padding:0 46px 22px 4px;margin:0}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--brand-900);border-radius:var(--r-l);
  padding:56px 48px;color:#fff;
  display:grid;grid-template-columns:1.35fr 1fr;gap:36px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 120px);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(23px,2.8vw,30px);font-weight:700;line-height:1.35;color:#fff;margin-bottom:14px}
.cta-band p{font-size:15.5px;color:#C9D8CE;line-height:1.85;margin:0}
.cta-links{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-links .text-link{color:var(--lime);font-size:15px;font-weight:500;border-bottom:1px solid rgba(201,242,77,.45);padding-bottom:2px;transition:border-color .18s ease,color .18s ease}
.cta-links .text-link:hover{border-color:var(--lime);color:#fff}

/* ============ 页脚 ============ */
.footer{background:var(--brand-900);color:#C9D8CE;margin-top:96px;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.15fr;gap:40px}
.footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer p{font-size:14px;line-height:1.85;color:#A7BCB0;margin:0}
.footer .logo-main{color:#fff}
.footer .logo-sub{color:#8FA79A}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:#C9D8CE;transition:color .18s ease,transform .18s ease}
.footer-links a:hover{color:var(--lime);transform:translateX(2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 22px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:48px;padding-top:22px;font-size:13px;color:#8FA79A;
}
.to-top{color:var(--lime);font-weight:500;transition:opacity .18s ease}
.to-top:hover{opacity:.78}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .split{grid-template-columns:1fr}
  .sticky-col{position:static}
  .cta-band{grid-template-columns:1fr;padding:48px 36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .nav-links{display:none}
  .dock-toggle{display:flex}
  .btn-cta{display:none}
}
@media (max-width:768px){
  html body{font-size:16px}
  .wrap{padding:0 20px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  main{padding-top:88px}
  .dock{top:12px;width:calc(100% - 24px)}
  .dock-inner{height:60px;padding:0 10px 0 14px}
  .hero-band{padding:36px 24px;min-height:auto}
  .hero-facts{flex-direction:column;gap:10px}
  .hero-facts li{border-right:none;margin-right:0;padding-right:0}
  .prose-block{padding:24px 20px}
  .compare{grid-template-columns:1fr}
  .fix-item{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:18px}
  .fix-item .tag{grid-column:2;justify-self:start;margin-top:4px}
  .fix-num{font-size:20px}
  .cta-band{padding:36px 24px}
  .footer{margin-top:64px;padding:48px 0 24px}
  .footer-grid{grid-template-columns:1fr}
  .btn-primary,.btn-ghost{width:100%;justify-content:center}
}
@media (max-width:520px){
  .hero-band{padding:28px 18px}
  .prose-block h2{font-size:21px}
  .faq-item summary{font-size:15.5px}
  .faq-item p{padding-right:12px}
}