/* roulang page: index */
:root{
  --ink:#10221D;
  --ink-2:#1C3630;
  --primary:#1B7A67;
  --primary-dark:#115C4E;
  --accent:#C8F06A;
  --accent-warm:#F0A35E;
  --bg:#F4F1E8;
  --surface:#FFFFFF;
  --surface-2:#E9EFE4;
  --border:#D8E0D5;
  --muted:#5E6E66;
  --danger:#C24B43;
  --success:#2E8B62;
  --shadow-card:0 12px 32px rgba(16,34,29,.07);
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DIN Alternate","SFMono-Regular",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary-dark);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary)}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:0}
h1{font-size:clamp(34px,4.2vw,56px);line-height:1.2;font-weight:800}
h2{font-size:clamp(24px,2.5vw,32px);line-height:1.35;font-weight:800}
h3{font-size:clamp(19px,1.8vw,22px);line-height:1.5;font-weight:700}
p{margin:0 0 1em;color:var(--ink-2)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(200,240,106,.75);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--dark{background:var(--ink);color:#EDF3EE}
.section--dark h2,.section--dark h3{color:#F6FAF2}
.section--dark p{color:#B9C8C1}
.section--soft{background:var(--surface-2)}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--border);box-shadow:0 2px 10px rgba(16,34,29,.04)}
.brand-row{height:72px;display:flex;align-items:center}
.brand-row__inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px}
.brand__mark{width:38px;height:38px;flex:0 0 38px;border-radius:10px;background:var(--primary-dark);display:grid;place-items:center}
.brand__mark svg{width:20px;height:20px}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__main{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.5px}
.brand__sub{font-size:12px;color:var(--muted);letter-spacing:1.5px}
.brand-actions{display:flex;align-items:center;gap:12px}
.channel-row{height:48px;background:var(--surface);border-top:1px solid var(--border);display:flex;align-items:center}
.channel-row__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:100%}
.channels{display:flex;align-items:center;gap:4px;height:100%}
.channel{
  display:inline-flex;align-items:center;height:100%;padding:0 16px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  border-radius:0;transition:background .18s ease,color .18s ease;
}
.channel:hover{background:rgba(27,122,103,.07);color:var(--primary-dark)}
.channel.is-active{background:rgba(27,122,103,.09);color:var(--primary-dark);box-shadow:inset 0 -3px 0 var(--accent)}
.channel-meta{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
.channel-meta span{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.menu-toggle{display:none;align-items:center;gap:8px;height:40px;padding:0 14px;border:1px solid var(--border);background:var(--surface);color:var(--ink);border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer}
.menu-toggle:hover{border-color:var(--primary);color:var(--primary-dark)}
.drawer{display:none;border-top:1px solid var(--border);background:var(--surface);padding:12px 0 18px}
.drawer.is-open{display:block}
.drawer a{display:block;padding:12px 4px;font-size:16px;font-weight:600;color:var(--ink-2);border-bottom:1px dashed var(--border)}
.drawer a:last-child{border-bottom:0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .16s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn--primary{background:var(--accent);color:var(--ink);box-shadow:0 6px 18px rgba(200,240,106,.35)}
.btn--primary:hover{background:#BCE457;color:var(--ink);transform:translateY(-1px)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:transparent;border-color:var(--primary);color:var(--primary-dark)}
.btn--ghost:hover{background:var(--surface-2);color:var(--primary-dark);transform:translateY(-1px)}
.btn--ghost:active{transform:translateY(1px)}
.btn--sm{height:40px;padding:0 16px;font-size:14px}
.btn--wide{width:100%}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none!important}
.link-more{font-size:14px;font-weight:700;color:var(--primary-dark);border-bottom:2px solid var(--accent);padding-bottom:2px}
.link-more:hover{color:var(--primary)}

/* ============ 首屏 ============ */
.hero{position:relative;padding:72px 0 84px;background:var(--bg);overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(27,122,103,.13) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
.hero__grid{position:relative;display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:1px;
  color:var(--primary-dark);background:rgba(27,122,103,.09);
  padding:6px 12px;border-radius:var(--radius-sm);margin-bottom:20px;
}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(200,240,106,.3)}
.hero h1{margin-bottom:18px}
.hero h1 .hl{color:var(--primary-dark)}
.hero__lead{font-size:17px;line-height:1.9;color:var(--ink-2);max-width:34em}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 30px}
.hero__points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 20px;max-width:520px}
.hero__points li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--ink-2);line-height:1.7}
.hero__points svg{flex:0 0 18px;margin-top:4px}
.hero__visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:440px;box-shadow:var(--shadow-card)}
.hero__visual img{width:100%;height:100%;min-height:440px;object-fit:cover}
.hero__visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(16,34,29,.62),rgba(17,92,78,.42) 55%,rgba(16,34,29,.7));
}
.hero__orbit{
  position:absolute;top:26px;right:26px;width:150px;height:150px;border:1px solid rgba(200,240,106,.5);
  border-radius:50%;z-index:2;opacity:.75;
}
.hero__orbit::after{content:"";position:absolute;top:-4px;left:50%;width:8px;height:8px;background:var(--accent);border-radius:50%;transform:translateX(-50%)}
.hero__card{
  position:absolute;left:22px;right:22px;bottom:22px;z-index:3;
  background:rgba(255,255,255,.96);border:1px solid rgba(255,255,255,.5);
  border-radius:var(--radius-md);padding:18px 20px;box-shadow:0 16px 40px rgba(16,34,29,.28);
}
.hero__card h2{font-size:15px;font-weight:800;margin-bottom:12px;color:var(--ink)}
.hero__card ul{display:grid;gap:9px}
.hero__card li{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--ink-2)}
.hero__card li span:first-child{display:inline-flex;align-items:center;gap:8px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--primary);display:inline-block}
.dot--warm{background:var(--accent-warm)}
.dot--green{background:var(--success)}
.tag-mini{font-family:var(--font-num);font-size:12px;font-weight:700;color:var(--primary-dark);background:var(--surface-2);padding:2px 8px;border-radius:6px}

/* ============ 板块标题 ============ */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:42px}
.section-index{
  display:inline-block;font-family:var(--font-num);font-size:13px;font-weight:700;
  letter-spacing:1px;color:var(--primary);margin-bottom:10px;
}
.section-head p{max-width:640px;margin:10px 0 0;font-size:15px;color:var(--muted)}

/* ============ 指标看板 ============ */
.metrics{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.metrics__grid{display:grid;grid-template-columns:5fr 7fr;gap:24px}
.metric-lg{
  background:var(--ink);color:#EDF3EE;border-radius:var(--radius-md);padding:28px;
  position:relative;overflow:hidden;
}
.metric-lg::after{content:"";position:absolute;right:-40px;bottom:-40px;width:160px;height:160px;border:1px solid rgba(200,240,106,.35);border-radius:50%}
.metric-lg h3{font-size:15px;font-weight:700;color:#C9D8D1;margin-bottom:14px}
.metric__num{font-family:var(--font-num);font-size:44px;font-weight:700;line-height:1.1;color:var(--accent)}
.metric__num small{font-size:16px;color:#AFC2BA;font-weight:600;margin-left:6px}
.metric__note{font-size:13.5px;color:#9FB3AB;margin:12px 0 0}
.bar{height:6px;border-radius:99px;background:rgba(255,255,255,.16);margin-top:16px;overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;background:var(--accent)}
.metrics__small{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.metric-sm{
  background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--primary);
  border-radius:12px;padding:22px;box-shadow:var(--shadow-card);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.metric-sm:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:0 16px 34px rgba(16,34,29,.1)}
.metric-sm h3{font-size:14px;font-weight:700;color:var(--muted);margin-bottom:10px}
.metric-sm .metric__num{font-size:32px;color:var(--primary-dark)}
.metric-sm .metric__note{color:var(--muted);margin-top:10px;font-size:13px}
.metric-sm .bar{background:var(--surface-2)}
.metric-sm .bar i{background:var(--primary)}

/* ============ 服务矩阵 ============ */
.matrix__grid{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:stretch}
.matrix-feature{
  position:relative;border-radius:var(--radius-md);overflow:hidden;background:var(--ink-2);
  min-height:360px;display:flex;flex-direction:column;justify-content:flex-end;padding:28px;
}
.matrix-feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.matrix-feature::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,34,29,.25),rgba(16,34,29,.92))}
.matrix-feature>*{position:relative;z-index:2}
.badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  background:var(--accent);color:var(--ink);font-size:12.5px;font-weight:800;
  padding:5px 12px;border-radius:6px;margin-bottom:auto;
}
.matrix-feature h3{color:#fff;margin:18px 0 10px}
.matrix-feature p{color:#C3D3CB;font-size:14.5px;margin-bottom:18px}
.matrix-feature .link-more{color:var(--accent);border-bottom-color:rgba(200,240,106,.5)}
.matrix-feature .link-more:hover{color:#fff}
.matrix-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.mcard{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:24px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.mcard:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:0 18px 36px rgba(16,34,29,.1)}
.mcard__icon{
  width:42px;height:42px;border-radius:10px;background:var(--surface-2);
  display:grid;place-items:center;margin-bottom:16px;color:var(--primary-dark);
}
.mcard h3{font-size:18px;margin-bottom:8px}
.mcard p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:16px}
.mcard .link-more{margin-top:auto;align-self:flex-start}

/* ============ 结果对比 ============ */
.compare__grid{display:grid;grid-template-columns:1fr 1px 1fr;gap:0;align-items:stretch}
.compare__rule{background:var(--border)}
.compare-panel{padding:32px}
.compare-panel h3{display:flex;align-items:center;gap:10px;font-size:19px;margin-bottom:6px}
.compare-panel .idx{font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--primary);background:rgba(27,122,103,.1);padding:3px 9px;border-radius:6px}
.compare-panel>p{font-size:14px;color:var(--muted);margin-bottom:22px}
.compare-list li{
  display:flex;align-items:flex-start;gap:12px;padding:14px 0;
  border-bottom:1px dashed var(--border);font-size:15px;color:var(--ink-2);
}
.compare-list li:last-child{border-bottom:0}
.compare-list .ic{flex:0 0 22px;height:22px;border-radius:50%;display:grid;place-items:center;margin-top:4px}
.compare-list .ic--ok{background:rgba(46,139,98,.14);color:var(--success)}
.compare-list .ic--no{background:rgba(94,110,102,.14);color:var(--muted)}
.progress{height:6px;border-radius:99px;background:var(--surface-2);margin-top:8px;overflow:hidden}
.progress i{display:block;height:100%;border-radius:99px;background:var(--primary)}
.progress--muted i{background:#AEBCB6}

/* ============ 资讯列表 ============ */
.news__grid{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start}
.news-feature{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.news-feature:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:0 18px 36px rgba(16,34,29,.1)}
.news-feature__media{display:block;height:236px;overflow:hidden}
.news-feature__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-feature:hover .news-feature__media img{transform:scale(1.04)}
.news-feature__body{padding:24px}
.news-feature__body h3{font-size:20px;line-height:1.5;margin:10px 0 10px}
.news-feature__body p{font-size:14.5px;color:var(--muted);margin-bottom:16px}
.news-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted);font-family:var(--font-num)}
.chip{
  display:inline-flex;align-items:center;font-size:12.5px;font-weight:700;
  color:var(--primary-dark);background:var(--surface-2);padding:3px 10px;border-radius:6px;
  font-family:var(--font-sans);
}
.news-list{display:grid;gap:14px}
.news-item{
  background:var(--surface);border:1px solid var(--border);border-radius:12px;
  padding:18px 20px;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.news-item:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:0 12px 26px rgba(16,34,29,.08)}
.news-item a{display:block;color:inherit}
.news-item h3{font-size:16.5px;line-height:1.55;margin-bottom:6px}
.news-item:hover h3{color:var(--primary-dark)}
.news-item p{font-size:13.5px;color:var(--muted);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.empty-state{
  grid-column:1 / -1;background:var(--surface);border:1px dashed var(--border);
  border-radius:var(--radius-md);padding:48px 24px;text-align:center;color:var(--muted);
}
.empty-state svg{margin:0 auto 14px;color:var(--primary);opacity:.8}
.empty-state p{margin-bottom:10px;color:var(--ink-2)}
.empty-state a{font-weight:700;color:var(--primary-dark);border-bottom:2px solid var(--accent)}

/* ============ FAQ ============ */
.faq__grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq__intro p{font-size:15px;color:var(--muted);margin-top:12px}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:12px;
  border-left:3px solid transparent;transition:background .18s ease,border-color .18s ease;
}
.faq-item:hover{background:#FAFCF8;border-color:var(--border);border-left-color:rgba(27,122,103,.35)}
.faq-item[open]{border-left-color:var(--accent);background:var(--surface)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 22px;font-size:16px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;border:1px solid var(--border);
  display:grid;place-items:center;position:relative;transition:background .18s ease,border-color .18s ease;
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";position:absolute;background:var(--primary-dark);border-radius:2px;transition:transform .2s ease,opacity .2s ease;
}
.faq-item summary .plus::before{width:11px;height:2px}
.faq-item summary .plus::after{width:2px;height:11px}
.faq-item[open] summary .plus{background:var(--accent);border-color:var(--accent)}
.faq-item[open] summary .plus::after{transform:scaleY(0);opacity:0}
.faq-item .faq-body{padding:0 22px 20px;font-size:15px;color:var(--ink-2);line-height:1.85}
.faq-item .faq-body p:last-child{margin-bottom:0}

/* ============ 表单 ============ */
.consult{background:var(--surface-2)}
.consult__panel{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:40px;display:grid;grid-template-columns:5fr 7fr;gap:48px;box-shadow:var(--shadow-card);
}
.consult__copy p{color:var(--muted);font-size:15px}
.consult__list{margin-top:22px;display:grid;gap:12px}
.consult__list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink-2)}
.consult__list svg{flex:0 0 18px;margin-top:4px;color:var(--primary)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field--full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:700;color:var(--ink-2)}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;font-size:15px;font-family:inherit;color:var(--ink);
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.8;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#95A49D}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(200,240,106,.6);
}
.field .hint{font-size:12.5px;color:var(--muted)}
.form-foot{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:16px;justify-content:space-between}
.form-privacy{font-size:12.5px;color:var(--muted);line-height:1.7;max-width:40em;margin:0}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--ink);border-radius:var(--radius-lg);padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  border:1px solid rgba(200,240,106,.28);border-radius:50%;
}
.cta-band h2{font-size:26px;color:#F6FAF2;margin-bottom:8px}
.cta-band p{color:#B9C8C1;margin:0;font-size:15px}
.cta-band .btn{position:relative;z-index:2}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#B9C8C1;padding:64px 0 0;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(200,240,106,.16) 1px,transparent 1px);
  background-size:34px 34px;opacity:.35;
}
.footer-grid{position:relative;display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand__mark{background:rgba(200,240,106,.16)}
.footer-brand__main{font-size:18px;font-weight:800;color:#F6FAF2;line-height:1.2}
.footer-brand__sub{font-size:12px;color:#8FA69D;letter-spacing:1.4px}
.site-footer p{color:#9FB3AB;font-size:14px;line-height:1.85}
.footer-col h3{font-size:14px;color:#F6FAF2;letter-spacing:.5px;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:#A9BDB5;font-size:14px}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{font-size:14px;color:#A9BDB5;display:flex;gap:8px;align-items:flex-start}
.footer-contact svg{flex:0 0 16px;margin-top:5px;color:var(--accent)}
.footer-bottom{
  position:relative;border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{margin:0;font-size:13px;color:#7F948C}
.to-top{font-size:13px;font-weight:700;color:var(--accent);display:inline-flex;align-items:center;gap:6px}
.to-top:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{max-width:960px}
  h1{font-size:44px}
  .hero__grid{gap:32px}
  .hero__visual,.hero__visual img{min-height:400px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .hero{padding:52px 0 64px}
  .hero__grid{grid-template-columns:1fr;gap:36px}
  .hero__visual,.hero__visual img{min-height:320px}
  .hero__points{max-width:100%}
  .metrics__grid{grid-template-columns:1fr}
  .metrics__small{grid-template-columns:repeat(3,minmax(0,1fr))}
  .matrix__grid{grid-template-columns:1fr}
  .matrix-feature{min-height:300px}
  .news__grid{grid-template-columns:1fr}
  .faq__grid{grid-template-columns:1fr;gap:28px}
  .compare__grid{grid-template-columns:1fr;gap:0}
  .compare__rule{height:1px;width:100%}
  .consult__panel{grid-template-columns:1fr;gap:32px;padding:32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .channel-meta{display:none}
}
@media (max-width:820px){
  .brand-actions .btn--ghost{display:none}
  .menu-toggle{display:inline-flex}
  .channel-row{height:52px;overflow:hidden}
  .channel-row__inner{overflow-x:auto;scrollbar-width:none}
  .channel-row__inner::-webkit-scrollbar{display:none}
  .channels{flex-wrap:nowrap}
  .channel{white-space:nowrap;padding:0 14px;font-size:14px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  h1{font-size:36px}
  h2{font-size:26px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:30px}
  .metrics__small{grid-template-columns:1fr}
  .matrix-cards{grid-template-columns:1fr}
  .news-feature__media{height:200px}
  .form-grid{grid-template-columns:1fr}
  .cta-band{padding:30px 24px}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero__card{left:16px;right:16px;bottom:16px;padding:16px}
  .hero__visual,.hero__visual img{min-height:280px}
  .btn{height:46px}
  .btn--primary.w-full-m{width:100%}
}
@media (max-width:520px){
  .container{padding:0 20px}
  h1{font-size:34px}
  .hero__points{grid-template-columns:1fr}
  .hero__actions .btn{width:100%}
  .metric__num{font-size:30px}
  .metric-sm .metric__num{font-size:28px}
  .consult__panel{padding:24px}
  .brand__main{font-size:17px}
  .brand-actions .btn--primary{padding:0 12px;font-size:13px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --ink:#10221D;
  --ink-2:#1C3630;
  --primary:#1B7A67;
  --primary-dark:#115C4E;
  --accent:#C8F06A;
  --accent-warm:#F0A35E;
  --bg:#F4F1E8;
  --surface:#FFFFFF;
  --surface-2:#E9EFE4;
  --border:#D8E0D5;
  --muted:#5E6E66;
  --danger:#C24B43;
  --success:#2E8B62;
  --shadow-card:0 12px 32px rgba(16,34,29,.07);
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"DIN Alternate","SFMono-Regular",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:132px}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary-dark);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{color:var(--primary)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:800;color:var(--ink)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(200,240,106,.6);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(244,241,232,.97);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 0 rgba(16,34,29,.03);
}
.header-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand__mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:linear-gradient(160deg,var(--ink-2),var(--primary-dark));
  display:grid;place-items:center;
}
.brand__mark svg{width:21px;height:21px}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__main{font-size:19px;font-weight:800;letter-spacing:.4px;color:var(--ink)}
.brand__sub{font-size:11px;letter-spacing:2.4px;color:var(--primary-dark);font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px}
.menu-btn{
  display:none;width:44px;height:44px;border-radius:var(--radius-sm);
  border:1px solid var(--border);background:var(--surface);color:var(--ink-2);
  align-items:center;justify-content:center;cursor:pointer;transition:all .18s ease;
}
.menu-btn:hover{background:var(--surface-2);border-color:var(--primary)}
.nav-wrap{border-top:1px solid var(--border)}
.channels{display:flex;align-items:center;gap:6px;height:48px;overflow-x:auto;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channel{
  display:inline-flex;align-items:center;height:44px;padding:0 16px;
  font-size:15px;font-weight:600;color:var(--ink-2);white-space:nowrap;
  border-bottom:3px solid transparent;border-radius:6px 6px 0 0;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.channel:hover{background:var(--surface-2);color:var(--primary-dark)}
.channel.is-active{
  color:var(--primary-dark);
  background:#E4EEDE;
  border-bottom-color:var(--accent);
  font-weight:800;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn--primary{background:var(--accent);color:var(--ink);border-color:var(--accent)}
.btn--primary:hover{background:#B8E255;color:var(--ink);transform:translateY(-1px)}
.btn--primary:active{transform:translateY(1px)}
.btn--outline{background:transparent;border-color:var(--primary);color:var(--primary-dark)}
.btn--outline:hover{background:var(--surface-2);color:var(--primary-dark)}
.btn--light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn--light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px)}
.btn--sm{height:40px;padding:0 16px;font-size:14px}
.btn--block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--primary-dark);border-bottom:1px solid rgba(27,122,103,.35);padding-bottom:2px}
.link-arrow:hover{border-bottom-color:var(--primary-dark);color:var(--primary-dark)}
.link-arrow svg{width:14px;height:14px}

/* ============ 排版辅助 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:2px;
  color:var(--primary-dark);font-weight:700;text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent)}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:clamp(26px,2.6vw,34px);line-height:1.35}
.section-head p{color:var(--muted);max-width:560px;margin:10px 0 0;font-size:15px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(200,240,106,.28);color:var(--primary-dark);
  border:1px solid rgba(27,122,103,.18);
}
.badge--dark{background:rgba(200,240,106,.16);color:var(--accent);border-color:rgba(200,240,106,.35)}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);padding:20px 0 0}
.breadcrumb a{color:rgba(255,255,255,.78)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span[aria-current]{color:#fff;font-weight:600}

/* ============ 分类首屏 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(circle at 88% 12%, rgba(27,122,103,.55), transparent 56%),
    radial-gradient(circle at 4% 92%, rgba(200,240,106,.10), transparent 48%),
    var(--ink);
  color:#fff;
  padding-bottom:64px;
}
.page-hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:52px;height:1px;
  background:repeating-linear-gradient(90deg,rgba(200,240,106,.28) 0 12px,transparent 12px 26px);
  pointer-events:none;
}
.hero-dots{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(200,240,106,.20) 1px,transparent 1px);
  background-size:26px 26px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;
  padding-top:44px;
}
.page-hero h1{
  font-size:clamp(34px,4vw,50px);
  line-height:1.2;
  color:#fff;
  font-weight:800;
  margin:16px 0 18px;
  letter-spacing:-.3px;
}
.page-hero h1 em{font-style:normal;color:var(--accent)}
.hero-lead{color:rgba(255,255,255,.82);font-size:16px;line-height:1.9;max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:rgba(255,255,255,.7)}
.hero-facts li{display:flex;align-items:center;gap:7px}
.hero-facts svg{width:15px;height:15px;color:var(--accent);flex:0 0 15px}
.hero-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid rgba(200,240,106,.24);
  min-height:330px;
  box-shadow:0 26px 60px rgba(0,0,0,.32);
}
.hero-media img{width:100%;height:100%;min-height:330px;object-fit:cover;position:absolute;inset:0}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(16,34,29,.35) 0%,rgba(16,34,29,.82) 78%);
}
.hero-media__stamp{
  position:absolute;right:20px;bottom:14px;z-index:2;
  font-family:var(--font-mono);font-weight:700;font-size:52px;line-height:1;
  color:rgba(200,240,106,.30);letter-spacing:4px;
}
.hero-media__tag{
  position:absolute;left:20px;top:20px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(200,240,106,.92);color:var(--ink);
}
.hero-media__caption{
  position:absolute;left:20px;right:20px;bottom:16px;z-index:2;
  font-size:13px;color:rgba(255,255,255,.86);
  padding-right:96px;
}

/* ============ 主体布局 ============ */
.guide-layout{display:grid;grid-template-columns:4fr 8fr;gap:32px;align-items:start}
.guide-aside{position:sticky;top:132px;display:flex;flex-direction:column;gap:20px}
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-card);
  padding:24px;
}
.card--flat{box-shadow:none}
.card__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.card__head h3{font-size:17px}
.index-card h3{font-size:16px;letter-spacing:.4px}
.index-list{counter-reset:idx;display:flex;flex-direction:column;gap:2px}
.index-list li a{
  display:flex;align-items:center;gap:12px;
  padding:10px 12px;border-radius:var(--radius-sm);
  font-size:14px;font-weight:600;color:var(--ink-2);
  border-left:3px solid transparent;
  transition:all .18s ease;
}
.index-list li a::before{
  counter-increment:idx;content:counter(idx,decimal-leading-zero);
  font-family:var(--font-mono);font-size:12px;font-weight:700;
  color:var(--muted);
}
.index-list li a:hover{background:var(--surface-2);color:var(--primary-dark);border-left-color:var(--accent)}
.index-list li a:hover::before{color:var(--primary-dark)}
.check-list{display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--ink-2)}
.check-list svg{width:18px;height:18px;flex:0 0 18px;margin-top:4px;color:var(--success)}
.aside-cover{border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border);background:var(--surface)}
.aside-cover img{width:100%;height:140px;object-fit:cover}
.aside-cover__body{padding:16px 20px 20px}
.aside-cover__body h3{font-size:16px;margin-bottom:6px}
.aside-cover__body p{font-size:13px;color:var(--muted);margin:0}

/* ============ 步骤卡 ============ */
.steps{display:flex;flex-direction:column;gap:20px}
.step-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-card);
  padding:28px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.step-card:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:0 18px 40px rgba(16,34,29,.10)}
.step-card__top{display:flex;align-items:flex-start;gap:16px;margin-bottom:14px}
.step-card__num{
  flex:0 0 46px;width:46px;height:46px;border-radius:12px;
  display:grid;place-items:center;
  background:#EAF3E4;border:1px solid rgba(27,122,103,.2);
  font-family:var(--font-mono);font-size:17px;font-weight:700;color:var(--primary-dark);
}
.step-card h3{font-size:21px;line-height:1.5;margin-bottom:4px}
.step-card__sub{font-size:13px;color:var(--muted)}
.step-card__body{font-size:15px;color:var(--ink-2);line-height:1.85}
.step-card__body p{margin-bottom:12px}
.tip{
  display:flex;gap:10px;align-items:flex-start;
  background:var(--surface-2);
  border-left:3px solid var(--primary);
  border-radius:var(--radius-sm);
  padding:12px 14px;font-size:14px;color:var(--ink-2);line-height:1.7;
}
.tip svg{width:17px;height:17px;flex:0 0 17px;margin-top:3px;color:var(--primary-dark)}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:44px;align-items:start}
.faq-intro h2{font-size:clamp(26px,2.6vw,34px);margin:12px 0 14px}
.faq-intro p{color:var(--muted);font-size:15px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-md);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--primary);box-shadow:var(--shadow-card)}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--accent),var(--shadow-card)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:700;color:var(--ink);
  transition:background-color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--surface-2)}
.faq-item summary .sign{
  width:26px;height:26px;flex:0 0 26px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--surface-2);color:var(--primary-dark);
  font-size:17px;font-weight:700;line-height:1;
}
.faq-item[open] summary .sign{background:var(--accent);color:var(--ink)}
.faq-item__body{padding:0 22px 20px;font-size:15px;color:var(--ink-2);line-height:1.85}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(140deg,var(--ink-2),var(--ink));
  border-radius:var(--radius-lg);
  padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:#fff;
  border:1px solid rgba(200,240,106,.2);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(200,240,106,.18) 1px,transparent 1px);
  background-size:22px 22px;opacity:.55;pointer-events:none;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,28px);margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.76);font-size:15px;margin:0;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:88px;
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(200,240,106,.14) 1px,transparent 1px);
  background-size:28px 28px;opacity:.5;pointer-events:none;
}
.site-footer .container{position:relative;z-index:2}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand__main{font-size:19px;font-weight:800;color:#fff;line-height:1.2}
.footer-brand__sub{font-size:11px;letter-spacing:2.4px;color:var(--accent);font-weight:600}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin:0}
.footer-col h3{font-size:14px;color:#fff;letter-spacing:.6px;margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:rgba(255,255,255,.7);font-size:14px}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(255,255,255,.7)}
.footer-contact svg{flex:0 0 16px;color:var(--accent)}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.5)}
.to-top{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  color:rgba(255,255,255,.78);
}
.to-top:hover{color:var(--accent)}
.to-top svg{width:15px;height:15px}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{max-width:960px}
  .hero-grid{gap:32px}
  .cta-band{padding:34px 32px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .hero-grid{grid-template-columns:1fr;padding-top:32px}
  .hero-media{min-height:300px;order:-1}
  .hero-media img{min-height:300px}
  .page-hero h1{font-size:clamp(30px,5.2vw,42px);margin-top:14px}
  .guide-layout{grid-template-columns:1fr;gap:24px}
  .guide-aside{position:static;order:2}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .header-bar{height:64px}
  .brand__main{font-size:17px}
  .brand__sub{font-size:10px;letter-spacing:1.8px}
  .brand__mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px}
  .header-actions .btn{display:none}
  .menu-btn{display:inline-flex}
  .nav-wrap{display:none}
  .site-header.is-open .nav-wrap{
    display:block;position:absolute;left:0;right:0;top:100%;
    background:var(--bg);border-top:1px solid var(--border);
    border-bottom:1px solid var(--border);
    box-shadow:0 20px 34px rgba(16,34,29,.14);
    padding:10px 0 14px;
  }
  .site-header.is-open .channels{
    flex-direction:column;align-items:stretch;height:auto;overflow:visible;
    padding:0 16px;gap:4px;
  }
  .site-header.is-open .channel{
    height:46px;border-bottom:1px solid var(--border);border-radius:var(--radius-sm);
    justify-content:flex-start;
  }
  .site-header.is-open .channel.is-active{border-bottom-color:var(--accent)}
  .page-hero{padding-bottom:48px}
  .page-hero::after{bottom:32px}
  .hero-media{min-height:270px}
  .hero-media img{min-height:270px}
  .hero-media__stamp{font-size:38px;right:14px;bottom:12px}
  .hero-media__caption{padding-right:78px;font-size:12px}
  .hero-actions .btn{flex:1 1 auto}
  .step-card{padding:22px}
  .step-card__top{gap:14px}
  .step-card__num{width:42px;height:42px;flex:0 0 42px;font-size:16px}
  .step-card h3{font-size:19px}
  .card{padding:20px}
  .faq-item summary{font-size:16px;padding:16px 18px}
  .faq-item__body{padding:0 18px 18px}
  .cta-band{padding:28px 22px;border-radius:var(--radius-md)}
  .site-footer{padding-top:48px;margin-top:64px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;margin-top:36px}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .section{padding:52px 0}
  .page-hero h1{font-size:32px}
  .hero-lead{font-size:15px}
  .hero-actions{gap:10px}
  .btn{height:46px;padding:0 18px}
  .btn--sm{height:40px}
  .hero-actions .btn{width:100%}
  .hero-media{min-height:240px}
  .hero-media img{min-height:240px}
  .hero-facts{flex-direction:column;gap:8px}
  .cta-actions{flex-direction:column;width:100%}
  .cta-actions .btn{width:100%}
  .step-card__top{flex-direction:row}
  .index-list li a{padding:9px 10px;font-size:13px}
}

/* roulang page: article */
:root{
  --ink:#10221D;
  --ink-2:#1C3630;
  --primary:#1B7A67;
  --primary-dark:#115C4E;
  --accent:#C8F06A;
  --accent-warm:#F0A35E;
  --bg:#F4F1E8;
  --surface:#FFFFFF;
  --surface-2:#E9EFE4;
  --border:#D8E0D5;
  --muted:#5E6E66;
  --danger:#C24B43;
  --success:#2E8B62;
  --shadow-card:0 12px 32px rgba(16,34,29,.07);
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DIN Alternate","SFMono-Regular",Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--primary);text-decoration:none;transition:color .18s ease,background-color .18s ease}
a:hover{color:var(--primary-dark)}
img{max-width:100%;display:block;height:auto}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:3px solid rgba(200,240,106,.85);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.read-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--accent);z-index:200;transition:width .08s linear}

/* ---------- 头部与导航 ---------- */
.site-header{position:sticky;top:0;z-index:120;background:var(--bg);border-bottom:1px solid var(--border);box-shadow:0 2px 10px rgba(16,34,29,.04)}
.brandbar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand__mark{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:var(--ink);flex:0 0 auto}
.brand__mark svg{width:24px;height:24px;display:block}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__main{font-size:18px;font-weight:800;letter-spacing:.02em}
.brand__sub{font-size:12px;color:var(--muted);letter-spacing:.1em;margin-top:4px}
.brandbar__actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease,background-color .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn--primary{background:var(--accent);color:var(--ink);border-color:var(--accent)}
.btn--primary:hover{background:#b9e454;border-color:#b9e454;color:var(--ink);transform:translateY(-1px)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:transparent;color:var(--primary-dark);border-color:var(--primary)}
.btn--ghost:hover{background:var(--surface-2);color:var(--primary-dark)}
.btn--ghost:active{transform:translateY(1px)}
.btn--outline-light{background:transparent;color:#EAF3EC;border-color:rgba(234,243,236,.45)}
.btn--outline-light:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(234,243,236,.8)}
.btn--sm{height:40px;padding:0 16px;font-size:14px;font-weight:600}
.menu-toggle{
  display:none;align-items:center;gap:6px;height:40px;padding:0 14px;
  border:1px solid var(--border);background:var(--surface);border-radius:var(--radius-sm);
  color:var(--ink);font-size:14px;font-weight:600;
}
.channels-bar{border-top:1px solid var(--border);background:var(--surface)}
.channels{display:flex;align-items:center;gap:4px;height:48px;overflow-x:auto;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channel{
  display:inline-flex;align-items:center;height:48px;padding:0 18px;
  font-size:15px;color:var(--ink-2);white-space:nowrap;
  border-bottom:3px solid transparent;transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.channel:hover{background:rgba(233,239,228,.85);color:var(--primary-dark)}
.channel.is-active{color:var(--primary-dark);font-weight:700;background:var(--surface-2);border-bottom-color:var(--accent)}
.mobile-drawer{display:none;background:var(--surface);border-top:1px solid var(--border)}
.mobile-drawer.is-open{display:block}
.mobile-drawer ul{padding:8px 24px 16px}
.mobile-drawer li a{display:block;padding:13px 0;border-bottom:1px solid var(--border);font-size:15px;color:var(--ink-2)}
.mobile-drawer li a:hover{color:var(--primary-dark)}
.mobile-drawer__actions{display:flex;flex-wrap:wrap;gap:10px;padding:0 24px 20px}
.mobile-drawer__actions .btn{flex:1 1 140px}

/* ---------- 面包屑与文章头部 ---------- */
.crumbs{padding:26px 0 0;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--primary-dark)}
.crumbs .sep{color:#B9C6BD}
.crumbs .current{color:var(--ink-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero{max-width:860px;padding:22px 0 6px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;
  background:var(--surface-2);color:var(--primary-dark);
  font-size:13px;font-weight:600;border-radius:6px;border:1px solid var(--border);
}
.article-title{
  font-size:clamp(28px,3.6vw,44px);line-height:1.25;font-weight:800;
  letter-spacing:-.01em;margin:16px 0 18px;color:var(--ink);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:13px;color:var(--muted);padding-bottom:20px;border-bottom:1px solid var(--border);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--border);display:inline-block}
.article-meta .num{font-family:var(--font-num);font-weight:700;color:var(--ink-2)}

/* ---------- 正文布局 ---------- */
.article-section{padding:36px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 288px;gap:48px;align-items:start}
.article-main{min-width:0;max-width:760px}
.toc-wrap{position:sticky;top:104px}
.toc{border:1px solid var(--border);background:var(--surface);border-radius:var(--radius-md);box-shadow:var(--shadow-card);padding:18px 18px 14px}
.toc h2{font-size:14px;font-weight:800;color:var(--ink);letter-spacing:.02em;padding-bottom:10px;margin-bottom:8px;border-bottom:1px solid var(--border)}
.toc-list{max-height:60vh;overflow-y:auto}
.toc-link{display:block;padding:7px 0 7px 12px;border-left:2px solid var(--border);font-size:14px;line-height:1.6;color:var(--ink-2)}
.toc-link:hover{color:var(--primary-dark);border-left-color:var(--primary);background:rgba(233,239,228,.6)}
.toc-link--sub{padding-left:24px;font-size:13px;color:var(--muted)}
.toc-link.is-current{border-left-color:var(--primary);color:var(--primary-dark);font-weight:700;background:rgba(233,239,228,.75)}
.toc-note{margin-top:12px;padding-top:12px;border-top:1px dashed var(--border);font-size:12px;color:var(--muted);line-height:1.7}
.toc-mobile{display:none;margin:0 0 22px}
.toc-mobile details{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:14px 18px}
.toc-mobile summary{font-size:15px;font-weight:700;color:var(--ink);cursor:pointer;list-style:none}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"＋";float:right;color:var(--primary);font-weight:700}
.toc-mobile details[open] summary::after{content:"－"}
.toc-mobile .toc-list{margin-top:10px;max-height:none}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.95;color:var(--ink-2)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:clamp(22px,2.3vw,29px);line-height:1.38;font-weight:800;color:var(--ink);
  margin:44px 0 16px;padding-left:14px;border-left:3px solid var(--accent);scroll-margin-top:110px;
}
.article-body h3{
  font-size:20px;line-height:1.5;font-weight:700;color:var(--ink);
  margin:32px 0 12px;scroll-margin-top:110px;
}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 10px;color:var(--ink)}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 1.2em}
.article-body ul li{list-style:disc;margin-bottom:.5em}
.article-body ol li{list-style:decimal;margin-bottom:.5em}
.article-body li::marker{color:var(--primary)}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;background:var(--surface-2);
  border-left:3px solid var(--primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-md);margin:24px 0;width:100%;object-fit:cover}
.article-body figure{margin:24px 0}
.article-body figcaption,.article-body .caption{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.7}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--primary-dark)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--border);margin:36px 0}
.article-body code{background:var(--surface-2);padding:2px 6px;border-radius:4px;font-family:var(--font-num);font-size:14px;color:var(--primary-dark)}
.table-scroll{overflow-x:auto;margin:24px 0;border:1px solid var(--border);border-radius:12px;background:var(--surface);-webkit-overflow-scrolling:touch}
.table-scroll table{width:100%;border-collapse:collapse;min-width:520px;font-size:15px;line-height:1.75}
.table-scroll th,.table-scroll td{padding:12px 16px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}
.table-scroll thead th{background:var(--surface-2);color:var(--ink-2);font-weight:700}
.table-scroll tbody tr:last-child td{border-bottom:0}

/* ---------- 空态与操作 ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;
  padding:48px 24px;background:var(--surface);border:1px dashed var(--border);
  border-radius:var(--radius-md);color:var(--muted);
}
.empty-state svg{width:44px;height:44px;color:var(--primary);opacity:.75}
.empty-state h2{font-size:20px;color:var(--ink);font-weight:800}
.empty-state p{font-size:14px;max-width:420px;line-height:1.8}
.empty-state .btn{margin-top:6px}
.article-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:42px;padding-top:26px;border-top:1px solid var(--border)}

/* ---------- 相关推荐 ---------- */
.related{padding:52px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.section-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:800;color:var(--ink)}
.section-head .link-more{font-size:14px;font-weight:700;color:var(--primary);border-bottom:1px solid rgba(27,122,103,.35);padding-bottom:2px}
.section-head .link-more:hover{color:var(--primary-dark);border-bottom-color:var(--primary-dark)}
.related-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:start}
.related-grid:empty{display:none}
.related-card{
  display:block;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.related-card:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:0 16px 34px rgba(16,34,29,.11)}
.related-card__media{position:relative;aspect-ratio:16/9;overflow:hidden}
.related-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-card:hover .related-card__media img{transform:scale(1.04)}
.related-card__body{padding:20px 22px 24px}
.related-card__body h3{font-size:19px;line-height:1.45;font-weight:800;color:var(--ink);margin-bottom:8px}
.related-card__body p{font-size:14px;color:var(--muted);line-height:1.8}
.related-card__meta{display:flex;gap:12px;font-size:12px;color:var(--muted);margin-top:14px}
.related-empty{display:block}

/* ---------- FAQ ---------- */
.faq-section{padding:56px 0 0}
.faq-list{display:grid;gap:12px;max-width:860px}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;transition:border-color .2s ease,background-color .2s ease;
}
.faq-item:hover{border-color:#BECDBF}
.faq-item[open]{border-color:var(--primary);background:var(--surface)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:700;color:var(--ink);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"＋";font-size:18px;color:var(--primary);font-weight:700;flex:0 0 auto}
.faq-item[open] summary::after{content:"－"}
.faq-item[open] summary{border-left:3px solid var(--accent);padding-left:19px}
.faq-item .faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta-band{margin-top:64px;background:var(--ink);color:#E7F0E9;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(200,240,106,.18) 1px,transparent 1px);
  background-size:28px 28px;opacity:.45;pointer-events:none;
}
.cta-band__inner{
  position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;
  gap:32px;padding-top:48px;padding-bottom:48px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:800;color:#fff}
.cta-band p{margin-top:10px;font-size:15px;color:#B9CFC4;max-width:560px;line-height:1.8}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#D5E2DA;padding:64px 0 0;margin-top:0;position:relative}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(200,240,106,.14) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;pointer-events:none;
}
.site-footer .container{position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand__mark{background:rgba(255,255,255,.06);border:1px solid rgba(200,240,106,.35)}
.footer-brand__main{font-size:17px;font-weight:800;color:#fff;letter-spacing:.02em}
.footer-brand__sub{font-size:12px;color:#9DB4AB;letter-spacing:.1em}
.site-footer > .container > .footer-grid > div > p{font-size:14px;line-height:1.9;color:#A7BDB3;max-width:360px}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#C3D5CC}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:#A7BDB3;margin-bottom:12px}
.footer-contact svg{flex:0 0 auto;margin-top:5px;color:var(--accent)}
.footer-contact a{color:#C3D5CC}
.footer-bottom{
  position:relative;z-index:1;margin-top:44px;padding:20px 0 26px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#93AAA1;
}
.footer-bottom a{color:#C3D5CC}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:960px}
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:36px}
}
@media (max-width:1023px){
  .brandbar__inner{height:66px}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .toc-wrap{display:none}
  .toc-mobile{display:block}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .brandbar__actions .btn--ghost{display:none}
}
@media (max-width:768px){
  .container{padding:0 22px}
  .brand__main{font-size:16px}
  .brand__sub{font-size:11px}
  .brandbar__actions .btn{display:none}
  .menu-toggle{display:inline-flex}
  .article-title{margin-top:14px}
  .article-body{font-size:17px;line-height:1.9}
  .article-actions .btn{flex:1 1 160px}
  .cta-band__inner{padding-top:36px;padding-bottom:36px;flex-direction:column;align-items:flex-start}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .brandbar__inner{height:62px}
  .brand__mark{width:38px;height:38px}
  .article-title{font-size:clamp(24px,7vw,32px)}
  .article-body h2{font-size:22px;margin-top:34px}
  .article-body h3{font-size:18px}
  .btn{height:46px;padding:0 18px}
  .btn--sm{height:38px;padding:0 14px}
  .empty-state{padding:36px 18px}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-item .faq-answer{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .cta-band__actions .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --ink:#10221D;
  --ink-2:#1C3630;
  --primary:#1B7A67;
  --primary-dark:#115C4E;
  --accent:#C8F06A;
  --accent-warm:#F0A35E;
  --bg:#F4F1E8;
  --surface:#FFFFFF;
  --surface-2:#E9EFE4;
  --border:#D8E0D5;
  --muted:#5E6E66;
  --danger:#C24B43;
  --success:#2E8B62;
  --shadow-card:0 12px 32px rgba(16,34,29,.07);
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --mono:"DIN Alternate","SFMono-Regular",Consolas,monospace;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{list-style:none;margin:0;padding:0}
img{display:block;max-width:100%;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary-dark)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:3px solid rgba(200,240,106,.65);
  outline-offset:2px;
  border-radius:4px;
}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font:inherit;color:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(244,241,232,.94);
  border-bottom:1px solid var(--border);
}
.brand-row{border-bottom:1px solid var(--border)}
.brand-row__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand__mark{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink);
  border-radius:12px;
  flex:0 0 auto;
}
.brand__mark svg{width:22px;height:22px}
.brand__text{display:flex;flex-direction:column;line-height:1.2}
.brand__main{font-size:19px;font-weight:800;letter-spacing:.01em}
.brand__sub{font-size:12px;color:var(--muted);letter-spacing:.14em;font-family:var(--mono)}
.brand-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  background:var(--surface);
}
.menu-toggle svg{width:20px;height:20px;stroke:var(--ink)}
.channel-row{background:rgba(233,239,228,.5)}
.channels{
  display:flex;
  gap:6px;
  overflow-x:auto;
  scrollbar-width:none;
  min-height:48px;
  align-items:stretch;
}
.channels::-webkit-scrollbar{display:none}
.channel{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:0 18px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  white-space:nowrap;
  border-bottom:3px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.channel:hover{background:var(--surface-2);color:var(--primary-dark)}
.channel.is-active{
  color:var(--primary);
  background:#EFF5EA;
  border-bottom-color:var(--accent);
}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--border);
  background:var(--surface);
  padding:12px 0 18px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:block;
  padding:12px 24px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  border-bottom:1px solid var(--border);
}
.mobile-drawer a.is-active{color:var(--primary);background:#F2F7EE}
.mobile-drawer a:last-child{border-bottom:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:47px;
  padding:0 24px;
  font-size:15px;
  font-weight:700;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  transition:transform .16s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--accent);color:var(--ink);border-color:var(--accent)}
.btn--primary:hover{background:#B8E255;color:var(--ink)}
.btn--ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn--ghost:hover{background:#EAF4E3;color:var(--primary-dark);border-color:var(--primary-dark)}
.btn--light{background:var(--surface);color:var(--ink);border-color:var(--border)}
.btn--light:hover{border-color:var(--primary);color:var(--primary-dark)}
.btn--sm{min-height:40px;padding:0 16px;font-size:14px}
.btn--block{width:100%}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--primary);
  border-bottom:1px solid rgba(27,122,103,.35);
  padding-bottom:2px;
}
.link-more:hover{border-bottom-color:var(--primary-dark)}

/* ---------- shared type ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.12em;
  color:var(--primary);
  font-weight:700;
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";width:26px;height:2px;background:var(--accent);display:inline-block;
}
h1{font-size:clamp(34px,4.2vw,56px);line-height:1.2;font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:800}
h3{font-size:20px;line-height:1.5;font-weight:700}
.lead{font-size:17px;color:var(--ink-2);line-height:1.9}
.muted{color:var(--muted)}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head p{margin-top:14px;color:var(--muted)}
.section-head--row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  max-width:none;
}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  padding:22px 0 0;
  font-size:13px;
  color:var(--muted);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li::after{content:"/";color:#A9B5AC}
.breadcrumb li:last-child::after{content:"";}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb [aria-current]{color:var(--ink-2);font-weight:600}

/* ---------- hero ---------- */
.hero{padding:44px 0 72px;position:relative;overflow:hidden}
.hero::after{
  content:"";position:absolute;right:-60px;top:20px;width:340px;height:340px;
  background-image:radial-gradient(rgba(27,122,103,.16) 1px,transparent 1px);
  background-size:16px 16px;
  opacity:.6;pointer-events:none;
}
.hero__grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:start;
  position:relative;
  z-index:1;
}
.hero__title-accent{display:block;color:var(--primary)}
.hero h1 .hero__h1-sub{
  display:block;
  font-size:clamp(22px,2.4vw,32px);
  font-weight:700;
  color:var(--ink-2);
  margin-top:10px;
  letter-spacing:0;
}
.hero p.lead{margin-top:22px;max-width:56ch}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero__meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;
  font-size:13px;
  font-weight:600;
  border-radius:var(--radius-sm);
  background:var(--surface-2);
  color:var(--ink-2);
  border:1px solid var(--border);
}
.tag--accent{background:rgba(200,240,106,.28);border-color:rgba(27,122,103,.22);color:var(--primary-dark)}
.tag--dark{background:var(--ink);color:#E7F3D8;border-color:var(--ink)}

/* ---------- security panel ---------- */
.check-panel{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-card);
  padding:26px;
}
.check-panel__head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:16px;
  border-bottom:1px solid var(--border);
}
.check-panel__head h2{font-size:19px}
.check-panel__count{
  font-family:var(--mono);
  font-size:13px;
  color:var(--primary-dark);
  background:rgba(200,240,106,.32);
  border-radius:999px;
  padding:2px 12px;
  font-weight:700;
}
.check-list{margin-top:6px}
.check-list li{
  display:flex;gap:12px;
  padding:14px 0;
  border-bottom:1px dashed var(--border);
}
.check-list li:last-child{border-bottom:0;padding-bottom:2px}
.check-list .check-icon{
  flex:0 0 auto;
  width:24px;height:24px;
  border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(46,139,98,.12);
  margin-top:3px;
}
.check-list .check-icon svg{width:14px;height:14px;stroke:var(--success)}
.check-list .check-icon--warn{background:rgba(240,163,94,.18)}
.check-list .check-icon--warn svg{stroke:#B8722C}
.check-list strong{display:block;font-size:15px;line-height:1.5}
.check-list span.desc{display:block;font-size:13.5px;color:var(--muted);line-height:1.7;margin-top:2px}
.check-panel__foot{
  margin-top:18px;
  background:var(--surface-2);
  border-radius:var(--radius-sm);
  padding:12px 14px;
  font-size:13px;
  color:var(--ink-2);
}

/* ---------- guide cards (staggered) ---------- */
.guide-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:26px;
  align-items:start;
}
.guide-grid > *:nth-child(even){margin-top:42px}
.guide-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:26px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.guide-card:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:0 18px 38px rgba(16,34,29,.1)}
.guide-card__num{
  font-family:var(--mono);
  font-size:13px;
  font-weight:700;
  color:var(--primary);
  letter-spacing:.1em;
  display:inline-block;
  margin-bottom:12px;
}
.guide-card h3{margin-bottom:10px}
.guide-card p{color:var(--ink-2);font-size:15.5px}
.guide-card ul{margin-top:16px;display:grid;gap:9px}
.guide-card ul li{
  position:relative;
  padding-left:20px;
  font-size:14.5px;
  color:var(--muted);
  line-height:1.75;
}
.guide-card ul li::before{
  content:"";position:absolute;left:0;top:11px;
  width:8px;height:2px;background:var(--accent);
}
.guide-card--dark{
  background:var(--ink);
  border-color:var(--ink);
  color:#EAF2E4;
}
.guide-card--dark h3{color:#FFFFFF}
.guide-card--dark p{color:#C6D6C9}
.guide-card--dark ul li{color:#A9BEAF}
.guide-card--dark .guide-card__num{color:var(--accent)}
.guide-card--media{padding:0;overflow:hidden}
.guide-card--media img{
  width:100%;height:210px;object-fit:cover;
}
.guide-card--media .media-body{padding:24px 26px 26px}

/* ---------- steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.step{
  padding:32px 28px;
  border-right:1px solid var(--border);
  background:transparent;
  transition:background .2s ease;
}
.step:last-child{border-right:0}
.step:hover{background:rgba(233,239,228,.55)}
.step__idx{
  font-family:var(--mono);font-size:13px;font-weight:700;color:var(--primary);
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
}
.step__idx::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- faq ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  align-items:start;
}
.faq-list{border-top:1px solid var(--border)}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px 20px 16px;
  font-size:16.5px;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
  position:relative;
  list-style:none;
  transition:background .18s ease,color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;
  background:transparent;border-radius:2px;transition:background .18s ease;
}
.faq-item summary::after{
  content:"+";
  font-family:var(--mono);
  font-size:20px;
  font-weight:400;
  color:var(--primary);
  line-height:1;
  flex:0 0 auto;
}
.faq-item summary:hover{background:rgba(233,239,228,.7)}
.faq-item[open] summary{color:var(--primary-dark)}
.faq-item[open] summary::before{background:var(--accent)}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-body{
  padding:0 24px 22px 19px;
  font-size:15px;
  color:var(--muted);
  line-height:1.9;
}
.faq-aside{
  display:grid;gap:20px;
}
.aside-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:24px;
}
.aside-card h3{font-size:18px;margin-bottom:10px}
.aside-card p{font-size:14.5px;color:var(--muted);line-height:1.8}
.aside-card ul{margin-top:14px;display:grid;gap:10px}
.aside-card ul li a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);
  transition:border-color .18s ease,background .18s ease,color .18s ease;
}
.aside-card ul li a:hover{border-color:var(--primary);background:#F5FAF1;color:var(--primary-dark)}
.aside-card ul li a svg{width:15px;height:15px;stroke:var(--primary);flex:0 0 auto}
.aside-card--dark{background:var(--ink);border-color:var(--ink);color:#DDE9DA}
.aside-card--dark h3{color:#FFFFFF}
.aside-card--dark p{color:#A9BEAF}

/* ---------- cta bar ---------- */
.cta-bar{
  background:var(--ink);
  color:#EAF2E4;
  border-radius:var(--radius-lg);
  padding:40px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  position:relative;
  overflow:hidden;
}
.cta-bar::after{
  content:"";position:absolute;right:24px;top:-40px;width:240px;height:240px;
  background-image:radial-gradient(rgba(200,240,106,.25) 1px,transparent 1px);
  background-size:14px 14px;
  opacity:.5;pointer-events:none;
}
.cta-bar h2{color:#fff;font-size:clamp(22px,2.4vw,28px)}
.cta-bar p{color:#A9BEAF;margin-top:8px;font-size:15px;max-width:56ch}
.cta-bar__actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:#B7C9BC;
  margin-top:88px;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(200,240,106,.14) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.5;pointer-events:none;
}
.site-footer .container{position:relative;z-index:1}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding:64px 0 44px;
}
.footer-brand{display:flex;align-items:flex-start;gap:12px;margin-bottom:16px}
.footer-brand__main{font-size:19px;font-weight:800;color:#FFFFFF;line-height:1.3}
.footer-brand__sub{font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:#8FA697}
.site-footer p{font-size:14px;line-height:1.85;color:#9DB2A4}
.footer-col h3{font-size:15px;color:#FFFFFF;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:#A9BEAF;font-size:14px}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#A9BEAF;line-height:1.7}
.footer-contact svg{flex:0 0 auto;margin-top:4px;color:var(--accent)}
.footer-contact a{color:#A9BEAF}
.footer-bottom{
  border-top:1px solid rgba(216,224,213,.18);
  padding:22px 0 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:#8FA697}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:#C8F06A;font-weight:600;
}
.to-top svg{width:15px;height:15px;stroke:currentColor}
.to-top:hover{color:#E4FFA8}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{max-width:960px}
  .hero__grid{gap:36px}
  .guide-grid{gap:22px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .hero{padding:32px 0 56px}
  .hero__grid{grid-template-columns:1fr;gap:32px}
  .hero::after{display:none}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .steps{grid-template-columns:1fr}
  .step{border-right:0;border-bottom:1px solid var(--border)}
  .step:last-child{border-bottom:0}
  .guide-grid > *:nth-child(even){margin-top:0}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:32px 28px}
  .brand-actions{display:none}
  .menu-toggle{display:inline-flex}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px}
  .guide-grid{grid-template-columns:1fr}
  .section{padding:52px 0}
  .faq-item summary{font-size:15.5px;padding:17px 4px 17px 14px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head--row{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  h1{font-size:34px}
  .hero h1 .hero__h1-sub{font-size:20px}
  .brand__main{font-size:17px}
  .brand__sub{font-size:11px;letter-spacing:.1em}
  .brand__mark{width:36px;height:36px;border-radius:10px}
  .hero__actions .btn{width:100%}
  .btn{width:100%}
  .cta-bar__actions{width:100%}
  .btn--sm{width:auto}
  .footer-grid{grid-template-columns:1fr}
  .channel{padding:0 14px;font-size:14px}
  .check-panel{padding:20px}
  .guide-card{padding:20px}
  .aside-card{padding:20px}
}

/* roulang page: category2 */
:root{
  --ink:#10221D;
  --ink-2:#1C3630;
  --primary:#1B7A67;
  --primary-dark:#115C4E;
  --accent:#C8F06A;
  --accent-warm:#F0A35E;
  --bg:#F4F1E8;
  --surface:#FFFFFF;
  --surface-2:#E9EFE4;
  --border:#D8E0D5;
  --muted:#5E6E66;
  --danger:#C24B43;
  --success:#2E8B62;
  --shadow-card:0 12px 32px rgba(16,34,29,.07);
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DIN Alternate","SFMono-Regular",Consolas,monospace;
  --container:1200px;
  --section-pad:88px;
}
*,
*::before,
*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(200,240,106,.75);outline-offset:3px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:47px;
  padding:0 22px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  line-height:1;
  cursor:pointer;
  transition:transform .16s ease,background-color .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn--primary{
  background:var(--accent);
  color:var(--ink);
  border-color:var(--accent);
}
.btn--primary:hover{
  background:#B9E44F;
  border-color:#B9E44F;
  color:var(--ink);
  transform:translateY(-1px);
}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{
  background:transparent;
  color:var(--primary);
  border-color:var(--primary);
}
.btn--ghost:hover{
  background:var(--surface-2);
  color:var(--primary-dark);
  border-color:var(--primary-dark);
  transform:translateY(-1px);
}
.btn--ghost:active{transform:translateY(1px);}
.btn--light{
  background:transparent;
  color:#F4F1E8;
  border-color:rgba(244,241,232,.45);
}
.btn--light:hover{
  background:rgba(244,241,232,.12);
  border-color:rgba(244,241,232,.8);
  color:#fff;
}
.btn--sm{height:38px;padding:0 16px;font-size:14px;}
.btn[disabled],
.btn.is-disabled{opacity:.45;pointer-events:none;transform:none;}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 10px rgba(16,34,29,.04);
}
.header-top__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  color:var(--ink);
}
.brand:hover{color:var(--ink);}
.brand__mark{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink);
  border-radius:var(--radius-sm);
  flex:0 0 auto;
}
.brand__mark svg{width:22px;height:22px;}
.brand__text{display:flex;flex-direction:column;line-height:1.25;}
.brand__main{font-size:19px;font-weight:800;letter-spacing:.5px;}
.brand__sub{font-size:12px;font-weight:600;color:var(--primary);letter-spacing:1.2px;}
.header-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 14px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  color:var(--ink);
  font-size:14px;
  font-weight:700;
  cursor:pointer;
  transition:border-color .18s ease,background-color .18s ease;
}
.nav-toggle:hover{border-color:var(--primary);background:var(--surface-2);}
.nav-toggle svg{width:16px;height:16px;}

.header-bottom{
  border-top:1px solid var(--border);
  background:#FBF9F3;
}
.channels{
  display:flex;
  align-items:stretch;
  gap:4px;
  min-height:48px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channels::-webkit-scrollbar{display:none;}
.channel{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:0 15px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  white-space:nowrap;
  border-bottom:3px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.channel:hover{
  background:rgba(233,239,228,.72);
  color:var(--primary-dark);
}
.channel.is-active{
  color:var(--primary);
  background:var(--surface-2);
  border-bottom-color:var(--accent);
  font-weight:700;
}

.mobile-drawer{
  display:none;
  border-top:1px solid var(--border);
  background:var(--surface);
  padding:14px 0 18px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer ul{display:flex;flex-direction:column;gap:4px;}
.mobile-drawer a{
  display:block;
  padding:12px 14px;
  border-radius:var(--radius-sm);
  color:var(--ink-2);
  font-size:15px;
  font-weight:600;
}
.mobile-drawer a:hover{background:var(--surface-2);color:var(--primary-dark);}
.mobile-drawer a.is-active{
  background:var(--surface-2);
  color:var(--primary);
  box-shadow:inset 3px 0 0 var(--accent);
}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb span.sep{color:#A9B5AC;}

/* ---------- 首屏 ---------- */
.page-main{padding-bottom:12px;}
.hero-wrap{padding:26px 0 0;}
.hero-panel{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  background-image:linear-gradient(115deg,rgba(16,34,29,.94) 0%,rgba(17,92,78,.88) 52%,rgba(16,34,29,.72) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  color:#F4F1E8;
  padding:44px 44px 46px;
  min-height:380px;
}
.hero-panel::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(200,240,106,.30) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.35;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:44px;
  align-items:center;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-num);
  font-size:13px;
  letter-spacing:1px;
  color:var(--accent);
  background:rgba(200,240,106,.12);
  border:1px solid rgba(200,240,106,.35);
  border-radius:var(--radius-sm);
  padding:5px 12px;
  margin-bottom:18px;
}
.page-h1{
  font-size:clamp(34px,4.2vw,52px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:0;
  color:#FFFFFF;
}
.page-h1 em{
  font-style:normal;
  color:var(--accent);
}
.hero-lead{
  margin-top:18px;
  font-size:16px;
  line-height:1.9;
  color:rgba(244,241,232,.86);
  max-width:560px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.hero-note{
  margin-top:18px;
  font-size:13px;
  color:rgba(244,241,232,.66);
}
.hero-side{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.hero-stat{
  background:rgba(255,255,255,.96);
  border:1px solid rgba(255,255,255,.5);
  border-radius:var(--radius-md);
  padding:14px 18px;
  display:grid;
  grid-template-columns:1fr auto;
  align-items:center;
  gap:6px 14px;
  box-shadow:0 10px 26px rgba(16,34,29,.18);
}
.hero-stat__label{
  font-size:13px;
  color:var(--muted);
  font-weight:600;
}
.hero-stat__value{
  font-family:var(--font-num);
  font-size:24px;
  font-weight:700;
  color:var(--primary-dark);
  line-height:1.1;
  text-align:right;
}
.hero-stat__note{
  grid-column:1 / -1;
  font-size:12px;
  color:var(--muted);
  line-height:1.6;
}

/* ---------- 筛选条 ---------- */
.filter-bar{
  margin-top:22px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:12px 16px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  box-shadow:var(--shadow-card);
}
.filter-bar__label{
  font-size:13px;
  font-weight:700;
  color:var(--muted);
  margin-right:4px;
}
.filter-tab{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:var(--radius-sm);
  background:var(--surface-2);
  color:var(--primary-dark);
  font-size:14px;
  font-weight:600;
  border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.filter-tab:hover{background:#DDE8D5;border-color:#C7D6C0;color:var(--primary-dark);}
.filter-tab.is-active{
  background:var(--primary);
  color:#FFFFFF;
  border-color:var(--primary);
}
.filter-bar__hint{
  margin-left:auto;
  font-size:12px;
  color:var(--muted);
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--section-pad) 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:30px;
}
.section-kicker{
  display:inline-block;
  font-family:var(--font-num);
  font-size:13px;
  font-weight:700;
  letter-spacing:1.6px;
  color:var(--primary);
  margin-bottom:10px;
}
.section-title{
  font-size:clamp(24px,3vw,32px);
  line-height:1.35;
  font-weight:800;
  color:var(--ink);
}
.section-desc{
  margin-top:10px;
  font-size:15px;
  color:var(--muted);
  max-width:640px;
}
.section-link{
  font-size:15px;
  font-weight:700;
  color:var(--primary);
  border-bottom:1px solid rgba(27,122,103,.35);
  padding-bottom:2px;
  white-space:nowrap;
}
.section-link:hover{border-bottom-color:var(--primary-dark);color:var(--primary-dark);}

/* ---------- 指标条 ---------- */
.metric-strip{
  display:grid;
  grid-template-columns:1.25fr 1fr 1fr .9fr;
  gap:18px;
}
.metric{
  position:relative;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:22px 22px 20px;
  box-shadow:var(--shadow-card);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.metric::before{
  content:"";
  position:absolute;
  left:22px;
  top:0;
  width:44px;
  height:3px;
  background:var(--accent);
  border-radius:0 0 3px 3px;
}
.metric:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:0 16px 36px rgba(16,34,29,.10);}
.metric__label{font-size:13px;font-weight:700;color:var(--muted);}
.metric__value{
  margin-top:8px;
  font-family:var(--font-num);
  font-size:34px;
  font-weight:700;
  line-height:1.1;
  color:var(--primary-dark);
}
.metric__value small{font-size:14px;font-weight:600;color:var(--muted);margin-left:4px;}
.metric__bar{
  margin-top:14px;
  height:6px;
  border-radius:3px;
  background:var(--surface-2);
  overflow:hidden;
}
.metric__bar i{display:block;height:100%;background:var(--primary);border-radius:3px;}
.metric__note{margin-top:10px;font-size:12px;color:var(--muted);line-height:1.7;}

/* ---------- 数据列表 ---------- */
.data-layout{
  display:grid;
  grid-template-columns:1fr 320px;
  gap:28px;
  align-items:start;
}
.data-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.data-row{
  display:grid;
  grid-template-columns:76px 1fr auto;
  gap:16px;
  align-items:start;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:20px 22px;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.data-row:hover{
  transform:translateY(-2px);
  border-color:var(--primary);
  box-shadow:0 14px 30px rgba(16,34,29,.09);
}
.data-row__tag{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:26px;
  padding:0 10px;
  border-radius:var(--radius-sm);
  background:var(--surface-2);
  color:var(--primary-dark);
  font-size:12px;
  font-weight:700;
  border:1px solid #D2DECA;
  white-space:nowrap;
}
.data-row__tag--warm{
  background:#FBEEE0;
  color:#8A4C16;
  border-color:#F0D8BF;
}
.data-row__tag--deep{
  background:var(--ink);
  color:var(--accent);
  border-color:var(--ink);
}
.data-row__title{
  font-size:19px;
  line-height:1.5;
  font-weight:700;
  color:var(--ink);
}
.data-row__title a{color:var(--ink);}
.data-row__title a:hover{color:var(--primary);}
.data-row__desc{
  margin-top:6px;
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
}
.data-row__meta{
  margin-top:10px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  font-family:var(--font-num);
  font-size:12px;
  color:var(--muted);
}
.data-row__arrow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:50%;
  border:1px solid var(--border);
  color:var(--primary);
  transition:background-color .18s ease,border-color .18s ease,color .18s ease,transform .18s ease;
}
.data-row__arrow svg{width:16px;height:16px;}
.data-row:hover .data-row__arrow{
  background:var(--accent);
  border-color:var(--accent);
  color:var(--ink);
  transform:translateX(2px);
}

/* ---------- 侧栏 ---------- */
.side-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:20px;
  box-shadow:var(--shadow-card);
}
.side-card + .side-card{margin-top:18px;}
.side-card__figure{
  border-radius:var(--radius-sm);
  overflow:hidden;
  margin-bottom:16px;
  position:relative;
}
.side-card__figure img{width:100%;height:148px;object-fit:cover;}
.side-card__figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,34,29,.06),rgba(16,34,29,.42));
  pointer-events:none;
}
.side-card h3{font-size:18px;font-weight:800;line-height:1.5;color:var(--ink);}
.side-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.85;}
.side-list{margin-top:14px;display:flex;flex-direction:column;gap:10px;}
.side-list li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--ink-2);
  line-height:1.75;
}
.side-list li::before{
  content:"";
  flex:0 0 auto;
  width:6px;height:6px;
  margin-top:9px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 3px rgba(200,240,106,.28);
}
.side-card__link{
  display:inline-block;
  margin-top:16px;
  font-size:14px;
  font-weight:700;
  color:var(--primary);
  border-bottom:1px solid rgba(27,122,103,.35);
  padding-bottom:2px;
}
.side-card__link:hover{color:var(--primary-dark);border-bottom-color:var(--primary-dark);}

/* ---------- 时间线 ---------- */
.timeline-wrap{
  margin-top:44px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:32px 30px;
  box-shadow:var(--shadow-card);
}
.timeline{
  position:relative;
  margin-top:24px;
  padding-left:28px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:6px;
  top:8px;
  bottom:8px;
  width:1px;
  background:linear-gradient(180deg,var(--primary),rgba(27,122,103,.15));
}
.timeline li{
  position:relative;
  padding:0 0 26px 8px;
}
.timeline li:last-child{padding-bottom:0;}
.timeline li::before{
  content:"";
  position:absolute;
  left:-28px;
  top:8px;
  width:13px;height:13px;
  border-radius:50%;
  background:var(--primary);
  border:3px solid var(--surface);
  box-shadow:0 0 0 2px rgba(27,122,103,.18);
}
.timeline__time{
  font-family:var(--font-num);
  font-size:12px;
  font-weight:700;
  color:var(--primary);
  letter-spacing:.5px;
}
.timeline__title{
  margin-top:4px;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
}
.timeline__desc{margin-top:4px;font-size:14px;color:var(--muted);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:44px;
  align-items:start;
}
.faq-aside p{margin-top:14px;font-size:15px;color:var(--muted);line-height:1.9;}
.faq-aside .btn{margin-top:22px;}
.faq-list{border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 4px 20px 0;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
  list-style:none;
  transition:background-color .18s ease,color .18s ease,padding-left .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--surface-2);padding-left:14px;color:var(--primary-dark);}
.faq-item summary .faq-icon{
  position:relative;
  flex:0 0 auto;
  width:22px;height:22px;
  border-radius:50%;
  border:1px solid var(--border);
  background:var(--surface);
}
.faq-item summary .faq-icon::before,
.faq-item summary .faq-icon::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.faq-item summary .faq-icon::before{left:5px;top:10px;width:10px;height:2px;}
.faq-item summary .faq-icon::after{left:9px;top:6px;width:2px;height:10px;}
.faq-item[open] summary{color:var(--primary-dark);}
.faq-item[open] summary .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-item__body{
  padding:0 40px 22px 16px;
  font-size:15px;
  color:var(--muted);
  line-height:1.9;
  border-left:3px solid var(--accent);
  margin-left:0;
}

/* ---------- CTA 条 ---------- */
.cta-bar{
  margin-top:var(--section-pad);
  border-radius:var(--radius-lg);
  background-image:linear-gradient(110deg,rgba(16,34,29,.96),rgba(17,92,78,.92)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
  color:#F4F1E8;
  padding:40px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
}
.cta-bar h2{
  font-size:clamp(22px,2.6vw,28px);
  font-weight:800;
  line-height:1.4;
  color:#FFFFFF;
}
.cta-bar p{margin-top:10px;font-size:15px;color:rgba(244,241,232,.82);max-width:600px;}
.cta-bar__actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--section-pad);
  background:var(--ink);
  color:rgba(244,241,232,.78);
  padding:64px 0 26px;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(200,240,106,.16) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.6;
  pointer-events:none;
}
.site-footer .container{position:relative;z-index:2;}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:16px;
}
.footer-brand__main{
  font-size:19px;
  font-weight:800;
  color:#FFFFFF;
  letter-spacing:.5px;
}
.footer-brand__sub{
  font-size:12px;
  font-weight:600;
  color:var(--accent);
  letter-spacing:1.2px;
}
.footer-col h3{
  font-size:15px;
  font-weight:800;
  color:#FFFFFF;
  margin-bottom:16px;
}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(244,241,232,.7);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:rgba(244,241,232,.75);
}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14px;
  color:rgba(244,241,232,.72);
  line-height:1.75;
}
.footer-contact svg{flex:0 0 auto;margin-top:5px;color:var(--accent);}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(244,241,232,.16);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}
.footer-bottom p{font-size:13px;color:rgba(244,241,232,.55);}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:rgba(244,241,232,.8);
}
.to-top:hover{color:var(--accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:960px;}
  .page-h1{font-size:clamp(32px,3.8vw,44px);}
  .hero-panel{padding:38px 34px;}
  .data-layout{grid-template-columns:1fr 288px;gap:22px;}
  .metric-strip{grid-template-columns:1.15fr 1fr 1fr;gap:16px;}
  .metric-strip .metric:last-child{grid-column:span 3;}
}

@media (max-width:1023px){
  :root{--section-pad:64px;}
  .container{max-width:100%;padding:0 22px;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-panel{min-height:0;}
  .hero-side{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
  .hero-stat{padding:12px 14px;grid-template-columns:1fr;}
  .hero-stat__value{text-align:left;font-size:21px;}
  .metric-strip{grid-template-columns:1fr 1fr;}
  .metric-strip .metric:last-child{grid-column:span 2;}
  .data-layout{grid-template-columns:1fr;}
  .data-layout .side-col{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
  .side-card + .side-card{margin-top:0;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-bar{flex-direction:column;align-items:flex-start;}
}

@media (max-width:767px){
  .nav-toggle{display:inline-flex;}
  .header-actions{display:none;}
  .header-top__inner{min-height:64px;gap:12px;}
  .brand__main{font-size:17px;}
  .brand__mark{width:36px;height:36px;}
  .hero-panel{padding:28px 22px;border-radius:18px;}
  .hero-side{grid-template-columns:1fr;}
  .hero-stat{grid-template-columns:1fr auto;}
  .hero-stat__value{text-align:right;font-size:22px;}
  .metric-strip{grid-template-columns:1fr;}
  .metric-strip .metric:last-child{grid-column:span 1;}
  .data-row{grid-template-columns:1fr;gap:10px;}
  .data-row__arrow{display:none;}
  .data-layout .side-col{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .filter-bar__hint{margin-left:0;width:100%;}
  .timeline-wrap{padding:24px 20px;}
  .cta-bar{padding:28px 22px;border-radius:18px;}
  .cta-bar__actions .btn{flex:1 1 100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .crumb-bar{padding-top:16px;}
}

@media (max-width:520px){
  .container{padding:0 20px;}
  .page-h1{font-size:30px;}
  .hero-lead{font-size:15px;}
  .metric__value{font-size:30px;}
  .hero-actions .btn{flex:1 1 100%;}
  .data-row__title{font-size:17px;}
  .footer-grid{grid-template-columns:1fr;}
}