/* roulang page: index */
:root{
  --brand:#0B3B2C;
  --brand-light:#146B4F;
  --brand-deep:#08130F;
  --accent:#FF6A2B;
  --accent-dark:#E85618;
  --amber:#F2B01E;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --ink:#101613;
  --ink-2:#4A5A54;
  --ink-3:#8A9691;
  --line:#E3E1D8;
  --card-line:#E7E4DA;
  --ok:#17A673;
  --warn:#D9482F;
  --r-card:16px;
  --r-img:18px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-card:0 1px 2px rgba(11,59,44,.06), 0 12px 28px -18px rgba(11,59,44,.28);
  --shadow-hover:0 2px 4px rgba(11,59,44,.08), 0 20px 38px -20px rgba(11,59,44,.36);
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}
.section{padding:96px 0}
.section--white{background:var(--surface)}
.section--tight{padding:72px 0}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(246,244,239,.94);
  border-bottom:1px solid var(--line);backdrop-filter:saturate(160%) blur(10px);
  transition:box-shadow .25s var(--ease),background-color .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 26px -22px rgba(11,59,44,.5);background:rgba(246,244,239,.99)}
.header-inner{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand);
  display:grid;place-items:center;color:#fff;flex-shrink:0;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-top{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand)}
.brand-sub{font-size:12px;color:var(--ink-2);letter-spacing:.02em}
.main-nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-link{
  position:relative;font-size:14px;color:var(--ink-2);padding:8px 11px;border-radius:var(--r-pill);
  white-space:nowrap;transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-link:hover{color:var(--brand);background:rgba(20,107,79,.08)}
.nav-link.is-active{color:var(--brand);font-weight:600;background:rgba(20,107,79,.1)}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-box{position:relative;display:flex;align-items:center;gap:8px;
  width:200px;height:38px;padding:0 10px;background:#fff;border:1px solid var(--card-line);
  border-radius:var(--r-btn);color:var(--ink-3);transition:width .28s var(--ease),border-color .2s,box-shadow .2s}
.search-box:focus-within{width:266px;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,43,.22)}
.search-box input{border:none;outline:none;width:100%;font-size:13px;background:transparent;color:var(--ink)}
.search-box input::placeholder{color:var(--ink-3)}
.search-box kbd{
  font-size:11px;font-family:"Inter","Barlow",monospace;color:var(--ink-3);
  border:1px solid var(--line);border-radius:6px;padding:1px 5px;background:#FAF9F5;flex-shrink:0;
}
.ghost-link{font-size:13px;color:var(--ink-2);text-decoration:underline;text-decoration-color:transparent;
  text-underline-offset:4px;transition:.2s}
.ghost-link:hover{color:var(--accent);text-decoration-color:var(--accent)}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--card-line);
  background:#fff;place-items:center;color:var(--brand);
}
.menu-toggle svg{width:20px;height:20px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;text-align:center;
  transition:transform .16s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px -14px rgba(255,106,43,.9)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(255,106,43,.95)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.btn-outline:hover{background:rgba(11,59,44,.06);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--brand);padding:0 4px;min-height:auto;
  border-bottom:2px solid transparent;border-radius:0}
.btn-ghost:hover{border-bottom-color:var(--accent);color:var(--accent)}
.btn-block{width:100%}

/* ---------- Hero ---------- */
.hero{padding:76px 0 84px;background:linear-gradient(180deg,#F6F4EF 0%,#F2F0E8 100%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--brand-light);background:rgba(20,107,79,.1);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:20px;
}
.eyebrow::before{content:"";width:16px;height:2px;border-radius:2px;background:var(--amber)}
.hero h1{
  font-size:clamp(28px,4.4vw,46px);line-height:1.22;letter-spacing:-.01em;font-weight:700;color:var(--ink);
}
.hero h1 em{font-style:normal;color:var(--brand);position:relative;white-space:nowrap}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;border-radius:4px;background:rgba(255,106,43,.24);z-index:-1}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.85;color:var(--ink-2);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-metrics{display:flex;gap:36px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.metric b{display:block;font-family:"Inter","Barlow",sans-serif;font-size:26px;font-weight:700;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums}
.metric span{font-size:13px;color:var(--ink-3)}
.hero-visual{position:relative}
.hero-frame{
  position:relative;border-radius:22px;overflow:hidden;background:#E9E7DF;
  box-shadow:var(--shadow-card);aspect-ratio:4/3;
}
.hero-frame img{width:100%;height:100%;object-fit:cover}
.hero-frame::after{
  content:"";position:absolute;inset:14px;border:2px solid rgba(255,255,255,.42);
  border-radius:180px 180px 14px 14px;pointer-events:none;
}
.hero-frame::before{
  content:"";position:absolute;left:50%;top:0;width:2px;height:34px;background:rgba(255,106,43,.9);
  transform:translateX(-50%);z-index:2;
}
.floating-card{
  position:absolute;left:-18px;bottom:26px;background:#fff;border:1px solid var(--card-line);
  border-radius:14px;padding:16px 18px;box-shadow:var(--shadow-card);min-width:220px;
}
.floating-card .fc-label{font-size:12px;color:var(--ink-3);letter-spacing:.04em}
.floating-card .fc-title{font-size:15px;font-weight:600;color:var(--ink);margin-top:2px}
.progress-track{margin-top:12px;height:6px;border-radius:999px;background:#EFEDE5;overflow:hidden}
.progress-track i{display:block;height:100%;width:33%;border-radius:999px;background:var(--accent)}
.floating-card .fc-foot{display:flex;justify-content:space-between;font-size:12px;color:var(--ink-3);margin-top:8px}

/* ---------- Claim strip ---------- */
.claim{background:var(--brand);color:#fff;padding:34px 0}
.claim-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.claim h2{font-size:19px;font-weight:600;line-height:1.6;max-width:520px}
.claim-badges{display:flex;flex-wrap:wrap;gap:10px}
.claim-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;
  padding:8px 15px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#F2F7F5;
}
.claim-badge i{width:6px;height:6px;border-radius:50%;background:var(--amber);display:block}

/* ---------- Section head ---------- */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:44px}
.section-title{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35;letter-spacing:-.01em}
.section-desc{margin-top:12px;font-size:15px;color:var(--ink-2);max-width:640px;line-height:1.85}
.section-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.section-more:hover{color:var(--accent);gap:10px}
.section-more span{transition:transform .2s var(--ease)}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.step-card{
  position:relative;background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);
  padding:28px 24px 26px;box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand)}
.step-num{
  width:38px;height:38px;border-radius:50%;background:var(--accent);color:#fff;
  display:grid;place-items:center;font-family:"Inter","Barlow",sans-serif;font-weight:700;font-size:16px;
  margin-bottom:18px;box-shadow:0 8px 18px -10px rgba(255,106,43,.9);
}
.step-card h3{font-size:18px;font-weight:600;margin-bottom:10px}
.step-card p{font-size:14px;color:var(--ink-2);line-height:1.8}
.step-line{position:absolute;top:47px;left:0;right:0;height:1px;background:var(--line);z-index:-1}

/* ---------- Story ---------- */
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.story-copy p{margin-top:16px;font-size:16px;color:var(--ink-2);line-height:1.9}
.story-copy p:first-of-type{margin-top:22px}
.quote{
  margin-top:26px;padding:20px 22px;border-left:3px solid var(--brand);
  background:rgba(20,107,79,.07);border-radius:0 12px 12px 0;
  font-size:15px;color:var(--brand);line-height:1.85;
}
.story-media{border-radius:20px;overflow:hidden;background:#E9E7DF;box-shadow:var(--shadow-card);aspect-ratio:4/3}
.story-media img{width:100%;height:100%;object-fit:cover}

/* ---------- Cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--card-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand)}
.post-thumb{aspect-ratio:16/9;background:#E9E7DF;overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.badge{
  display:inline-flex;align-items:center;font-size:12.5px;font-weight:600;line-height:1;
  padding:6px 12px;border-radius:var(--r-pill);background:rgba(20,107,79,.1);color:var(--brand);
}
.badge--accent{background:rgba(255,106,43,.14);color:#C4491A}
.post-card h3{font-size:17px;font-weight:600;line-height:1.55}
.post-card p{font-size:14px;color:var(--ink-2);line-height:1.8}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3)}
.post-foot .arrow{color:var(--accent);font-weight:700;transition:transform .2s var(--ease)}
.post-card:hover .post-foot .arrow{transform:translateX(4px)}

/* ---------- News list ---------- */
.news-list{display:flex;flex-direction:column;gap:16px}
.news-item{
  display:flex;gap:22px;align-items:center;background:#fff;border:1px solid var(--card-line);
  border-radius:var(--r-card);padding:18px;box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand)}
.news-thumb{width:118px;height:88px;flex-shrink:0;border-radius:12px;overflow:hidden;background:#E9E7DF}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{flex:1;min-width:0}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-3);margin-bottom:8px}
.news-title{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:6px}
.news-desc{font-size:14px;color:var(--ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-arrow{font-size:20px;color:var(--accent);font-weight:700;flex-shrink:0;transition:transform .2s var(--ease)}
.news-item:hover .news-arrow{transform:translateX(4px)}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:56px 24px;background:#fff;border:1px dashed var(--card-line);border-radius:var(--r-card);text-align:center;
}
.empty-state svg{width:48px;height:48px;color:var(--ink-3)}
.empty-state p{font-size:15px;color:var(--ink-2)}

/* ---------- Trust ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:36px}
.stat-card{
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);padding:24px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand)}
.stat-card b{display:block;font-family:"Inter","Barlow",sans-serif;font-size:30px;font-weight:700;color:var(--brand);line-height:1.15;font-variant-numeric:tabular-nums}
.stat-card span{display:block;margin-top:8px;font-size:13.5px;color:var(--ink-2)}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);padding:24px}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{width:42px;height:42px;border-radius:50%;overflow:hidden;background:#E9E7DF;flex-shrink:0}
.avatar img{width:100%;height:100%;object-fit:cover}
.review-name{font-size:14.5px;font-weight:600}
.stars{color:var(--amber);font-size:13px;letter-spacing:2px}
.review-card p{font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* ---------- FAQ ---------- */
.faq-list{background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card)}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  transition:background-color .2s var(--ease);
}
.faq-q:hover{background:#FAF9F5}
.faq-icon{
  width:26px;height:26px;border-radius:50%;border:1px solid var(--card-line);flex-shrink:0;
  display:grid;place-items:center;color:var(--brand);font-size:16px;line-height:1;
  transition:transform .28s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--accent);color:#fff;border-color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease)}
.faq-a p{padding:0 24px 22px;font-size:14.5px;color:var(--ink-2);line-height:1.9}
.faq-more{display:flex;justify-content:flex-end;margin-top:18px}

/* ---------- CTA band ---------- */
.cta-band{background:var(--brand-deep);color:#fff;padding:84px 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:120px;height:56px;border:2px solid rgba(255,255,255,.2);border-bottom:none;
  border-radius:120px 120px 0 0;
}
.cta-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;position:relative;z-index:1}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.4}
.cta-band p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.78);line-height:1.9;max-width:560px}
.subscribe-form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-card);padding:24px}
.subscribe-form label{display:block;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:8px}
.form-row{display:flex;gap:12px}
.subscribe-form input{
  flex:1;height:46px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.94);color:var(--ink);outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.subscribe-form input::placeholder{color:var(--ink-3)}
.subscribe-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,106,43,.3)}
.footnote{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.6);line-height:1.7}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.78);padding:70px 0 26px;position:relative}
.site-footer::before{
  content:"";position:absolute;top:26px;left:50%;transform:translateX(-50%);
  width:2px;height:26px;background:rgba(255,106,43,.7);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);box-shadow:inset 0 0 0 1px rgba(255,255,255,.2)}
.footer-brand .brand-top{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.66)}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:340px}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--accent)}
.footer-contact{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7)}
.footer-contact b{display:block;color:#fff;font-weight:600;margin-bottom:6px}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- Mobile drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,19,15,.45);opacity:0;visibility:hidden;
  transition:opacity .28s var(--ease),visibility .28s;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .32s var(--ease);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--card-line);display:grid;place-items:center;color:var(--brand)}
.drawer-search{width:100%;margin-bottom:18px}
.drawer-search.search-box{width:100%}
.drawer-search.search-box:focus-within{width:100%}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{padding:13px 14px;border-radius:10px;font-size:15px;color:var(--ink-2)}
.drawer-nav a:hover{background:rgba(20,107,79,.08);color:var(--brand)}
.drawer-nav a.is-active{background:rgba(20,107,79,.1);color:var(--brand);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:22px}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .search-box{width:168px}
  .search-box:focus-within{width:214px}
  .nav-link{padding:8px 9px;font-size:13.5px}
  .ghost-link{display:none}
}
@media (max-width:1023px){
  .main-nav,.search-box:not(.drawer-search),.ghost-link{display:none}
  .menu-toggle{display:grid}
  .header-actions .btn-primary{display:none}
  .hero{padding:56px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .story-grid{grid-template-columns:1fr;gap:36px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step-line{display:none}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:68px 0}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .hero-metrics{gap:24px;flex-wrap:wrap}
  .metric b{font-size:22px}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .section{padding:56px 0}
  .floating-card{left:auto;right:12px;bottom:12px;min-width:190px;padding:14px 16px}
}
@media (max-width:640px){
  .steps{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .news-item{flex-direction:column;align-items:flex-start;gap:14px}
  .news-thumb{width:100%;height:170px}
  .news-arrow{display:none}
  .form-row{flex-direction:column}
  .faq-q{font-size:15px;padding:18px}
  .faq-a p{padding:0 18px 20px}
}
@media (hover:none){
  .post-card:hover,.step-card:hover,.news-item:hover,.stat-card:hover{transform:none}
  .post-card:hover .post-thumb img{transform:none}
}

/* roulang page: article */
:root{
  --brand:#0B3B2C;
  --brand-light:#146B4F;
  --brand-deep:#08130F;
  --accent:#FF6A2B;
  --accent-deep:#E85816;
  --amber:#F2B01E;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --ink:#101613;
  --ink-2:#4A5A54;
  --ink-3:#8A9691;
  --line:#E3E1D8;
  --card-line:#E7E4DA;
  --field-line:#DCD9CF;
  --success:#17A673;
  --warn:#D9482F;
  --radius-card:16px;
  --radius-media:20px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(11,59,44,.06), 0 12px 28px -18px rgba(11,59,44,.28);
  --shadow-card-hover:0 2px 4px rgba(11,59,44,.08), 0 22px 40px -20px rgba(11,59,44,.34);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Barlow",sans-serif;
}
*,*::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-cn);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.01em}
p{margin:0 0 1.15em}
ul,ol{margin:0 0 1.15em;padding-left:1.35em}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 24px -18px rgba(11,59,44,.45);background:rgba(246,244,239,.99)}
.header-inner{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-top{font-family:var(--font-num);font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--ink-3)}
.brand-sub{font-size:14px;font-weight:700;color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;font-size:14px;color:var(--ink-2);
  padding:8px 12px;border-radius:999px;transition:color .18s ease,background .18s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:rgba(11,59,44,.06)}
.nav-link.is-active{color:var(--brand);font-weight:600;background:rgba(20,107,79,.10)}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:-2px;width:18px;height:2px;border-radius:2px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.command-search{
  display:flex;align-items:center;gap:8px;
  width:220px;height:40px;padding:0 10px;
  background:#fff;border:1px solid var(--card-line);border-radius:var(--radius-btn);
  transition:width .25s ease,border-color .2s ease,box-shadow .2s ease;
}
.command-search:focus-within{width:320px;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,43,.18)}
.command-search svg{flex-shrink:0;color:var(--ink-3)}
.command-search input{
  border:0;outline:0;background:transparent;font-size:14px;width:100%;color:var(--ink);
}
.command-search input::placeholder{color:var(--ink-3)}
.kbd{
  font-family:var(--font-num);font-size:11px;color:var(--ink-3);
  border:1px solid var(--line);border-radius:6px;padding:1px 6px;background:var(--bg);
}
.ghost-link{
  font-size:14px;color:var(--brand);font-weight:600;
  border-bottom:1px solid transparent;transition:border-color .2s ease,color .2s ease;
}
.ghost-link:hover{border-color:var(--brand)}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-btn);
  border:1px solid var(--card-line);background:#fff;color:var(--brand);
  align-items:center;justify-content:center;
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .16s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px -14px rgba(255,106,43,.85)}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-secondary:hover{background:rgba(11,59,44,.06)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ============ MOBILE DRAWER ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,19,15,.5);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,340px);
  background:#fff;z-index:90;transform:translateX(102%);
  transition:transform .28s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:18px;overflow-y:auto;
  box-shadow:-16px 0 40px -24px rgba(11,59,44,.5);
}
.drawer.is-open{transform:translateX(0)}
.drawer-close{
  align-self:flex-end;width:38px;height:38px;border-radius:10px;
  border:1px solid var(--card-line);background:#fff;color:var(--brand);
}
.drawer-nav{display:flex;flex-direction:column;margin:16px 0}
.drawer-nav a{
  font-size:15px;font-weight:600;color:var(--ink);
  padding:14px 4px;border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--brand)}
.drawer .btn{width:100%;margin-top:8px}

/* ============ BREADCRUMB ============ */
.breadcrumb{font-size:13px;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.breadcrumb a{color:var(--ink-2);transition:color .18s ease}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--ink);font-weight:500;max-width:100%}

/* ============ ARTICLE HEAD ============ */
.article-head{padding:44px 0 36px;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);border-bottom:1px solid var(--line)}
.article-head-inner{max-width:820px;margin:0 auto}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--accent);text-transform:none;letter-spacing:.02em;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.article-title{font-size:clamp(28px,4.6vw,46px);font-weight:700;line-height:1.22;color:var(--ink);margin:12px 0 18px}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;padding:5px 12px;border-radius:999px;background:rgba(20,107,79,.12);color:var(--brand)}
.badge-accent{background:rgba(255,106,43,.13);color:var(--accent-deep)}
.badge-amber{background:rgba(242,176,30,.18);color:#8a5f00}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:13.5px;color:var(--ink-3);padding-top:16px;border-top:1px solid var(--line)}
.meta-row b{color:var(--ink-2);font-weight:600}

/* ============ LAYOUT ============ */
.section{padding:72px 0}
.section-tight{padding:52px 0}
.section-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.article-layout{display:block}
.article-side{display:none}
@media (min-width:1280px){
  .article-layout{display:grid;grid-template-columns:minmax(0,790px) 296px;gap:56px;justify-content:center}
  .article-side{display:block}
  .side-sticky{position:sticky;top:88px}
}

/* ============ ARTICLE BODY ============ */
.article-body{font-size:17px;line-height:1.9;color:var(--ink);word-wrap:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  font-size:clamp(22px,2.6vw,29px);font-weight:700;line-height:1.34;
  margin:2em 0 .6em;color:var(--ink);
}
.article-body h3{
  font-size:19px;font-weight:600;line-height:1.45;margin:1.6em 0 .55em;
  padding-left:12px;border-left:3px solid var(--accent);
}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em;color:var(--brand)}
.article-body a{color:var(--brand-light);border-bottom:1px solid rgba(20,107,79,.35)}
.article-body a:hover{color:var(--accent);border-color:var(--accent)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body li{margin-bottom:.5em}
.article-body ul li::marker{color:var(--accent);font-size:1.05em}
.article-body ol li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:rgba(20,107,79,.07);
  border-left:3px solid var(--brand);border-radius:0 var(--radius-btn) var(--radius-btn) 0;
  color:var(--ink-2);font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-media);margin:1.6em 0 8px;width:100%;height:auto;background:#EFEDE6}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;line-height:1.7}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body thead th{
  background:var(--brand);color:#fff;font-weight:600;text-align:left;
  padding:12px 14px;font-size:14.5px;
}
.article-body tbody td{padding:12px 14px;border-top:1px solid var(--line);color:var(--ink-2)}
.article-body tbody tr:nth-child(even) td{background:#FAF9F5}
.article-body pre{
  background:#F2F0E9;border:1px solid var(--line);border-radius:12px;
  padding:16px 18px;overflow-x:auto;font-family:var(--font-num);font-size:14px;line-height:1.75;
  margin:1.5em 0;
}
.article-body code{
  font-family:var(--font-num);font-size:14px;background:#F2F0E9;
  padding:2px 6px;border-radius:6px;color:var(--brand);
}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

/* ============ INLINE CTA ============ */
.inline-cta{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  margin:2.2em 0;padding:24px 26px;border-radius:var(--radius-card);
  background:rgba(255,106,43,.09);border:1px solid rgba(255,106,43,.24);
}
.inline-cta h3{margin:0 0 6px;font-size:18px;font-weight:700;color:var(--ink);padding:0;border:0}
.inline-cta p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.75}

/* ============ TAG WALL ============ */
.tag-wall{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}
.tag{
  font-size:13px;font-weight:500;color:var(--ink-2);background:#fff;
  border:1px solid var(--card-line);border-radius:999px;padding:6px 14px;
  transition:border-color .2s ease,color .2s ease,transform .16s ease;
}
.tag:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}

/* ============ CARDS ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--card-line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover);border-color:var(--brand)}
.card:hover .card-link{color:var(--accent)}
.card-media{aspect-ratio:16/9;width:100%;object-fit:cover;background:#EFEDE6}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17.5px;font-weight:600;line-height:1.5;color:var(--ink)}
.card-text{font-size:14.5px;line-height:1.75;color:var(--ink-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);margin-top:auto}
.card-link{margin-left:auto;color:var(--brand);font-weight:600;transition:color .2s ease,transform .2s ease}

/* ============ SIDEBAR ============ */
.side-card{
  background:#fff;border:1px solid var(--card-line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-card);margin-bottom:20px;
}
.side-card h3{font-size:15px;font-weight:700;color:var(--brand);margin-bottom:14px;letter-spacing:.01em}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;font-size:14px;color:var(--ink-2);padding:8px 10px;border-radius:8px;
  border-left:2px solid transparent;transition:all .18s ease;
}
.toc-list a:hover{background:rgba(20,107,79,.07);color:var(--brand);border-left-color:var(--brand)}
.hot-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.hot-list li{display:flex;gap:12px;align-items:flex-start}
.hot-index{
  flex-shrink:0;width:22px;height:22px;border-radius:999px;background:rgba(255,106,43,.14);
  color:var(--accent-deep);font-family:var(--font-num);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.hot-list a{font-size:14px;line-height:1.6;color:var(--ink-2);transition:color .18s ease}
.hot-list a:hover{color:var(--accent)}
.side-cover{border-radius:12px;aspect-ratio:16/10;object-fit:cover;background:#EFEDE6;margin-bottom:14px;width:100%}

/* ============ PAGER / PREV NEXT ============ */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:36px}
.post-nav-item{
  background:#fff;border:1px solid var(--card-line);border-radius:var(--radius-card);
  padding:18px 20px;box-shadow:var(--shadow-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.post-nav-item:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow-card-hover)}
.post-nav-item span{display:block;font-size:12.5px;color:var(--ink-3);margin-bottom:6px}
.post-nav-item strong{font-size:15px;font-weight:600;color:var(--ink);line-height:1.55;display:block}
.back-line{margin-top:26px;text-align:center;font-size:14.5px}
.back-line a{color:var(--brand);font-weight:600;border-bottom:1px solid rgba(11,59,44,.3)}
.back-line a:hover{color:var(--accent);border-color:var(--accent)}

/* ============ EMPTY ============ */
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;
  border:1px dashed var(--card-line);border-radius:var(--radius-card);
}
.empty-state svg{color:var(--ink-3);margin:0 auto 18px}
.empty-state p{font-size:15.5px;color:var(--ink-2);margin:0 0 20px}

/* ============ CTA BAND ============ */
.cta-band{
  background:var(--brand-deep);color:#fff;position:relative;overflow:hidden;
  padding:76px 0;
}
.cta-band::before{
  content:"";position:absolute;left:50%;top:-140px;transform:translateX(-50%);
  width:340px;height:340px;border:1px solid rgba(255,255,255,.10);
  border-bottom:0;border-radius:170px 170px 0 0;
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.cta-band h2{font-size:clamp(24px,3vw,32px);font-weight:700;margin-bottom:14px;color:#fff}
.cta-band p{color:rgba(255,255,255,.76);font-size:15.5px;margin:0}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap}
.subscribe-form input{
  flex:1;min-width:200px;height:48px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.55)}
.subscribe-form input:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,106,43,.25)}
.form-note{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:12px}

/* ============ FOOTER ============ */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);padding:64px 0 28px;position:relative}
.site-footer::before{
  content:"";position:absolute;left:72px;top:0;width:1px;height:48px;background:rgba(255,255,255,.14);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);box-shadow:inset 0 0 0 1px rgba(255,255,255,.14)}
.footer-brand .brand-top{color:rgba(255,255,255,.5)}
.footer-brand .brand-sub{color:#fff}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin:0;max-width:360px}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66);transition:color .18s ease,transform .18s ease;width:fit-content}
.footer-links a:hover{color:var(--accent);transform:translateX(2px)}
.footer-contact{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);display:flex;flex-direction:column}
.footer-contact b{color:#fff;font-size:13px;font-weight:600;margin-bottom:2px}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  border-top:1px solid rgba(255,255,255,.12);padding-top:22px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1279px){
  .command-search{width:180px}
  .command-search:focus-within{width:220px}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .command-search{display:none}
  .ghost-link{display:none}
  .menu-toggle{display:inline-flex}
  .header-actions .btn-sm{display:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
}
@media (max-width:767px){
  .header-inner{height:56px}
  .article-head{padding:30px 0 26px}
  .article-body{font-size:16px;line-height:1.88}
  .card-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .inline-cta{padding:20px}
  .section{padding:52px 0}
  .section-tight{padding:40px 0}
  .cta-band{padding:56px 0}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .article-title{font-size:26px}
  .btn{width:100%}
  .subscribe-form .btn{width:100%}
  .meta-row{gap:12px}
}
@media (hover:none){
  .card:hover{transform:none}
  .post-nav-item:hover{transform:none}
  .tag:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --brand:#0B3B2C;
  --brand-light:#146B4F;
  --brand-deep:#08130F;
  --accent:#FF6A2B;
  --accent-dark:#E85818;
  --amber:#F2B01E;
  --bg:#F6F4EF;
  --bg-soft:#EEF5F1;
  --card:#FFFFFF;
  --ink:#101613;
  --ink-2:#4A5A54;
  --ink-3:#8A9691;
  --line:#E3E1D8;
  --card-line:#E7E4DA;
  --input-line:#DCD9CF;
  --success:#17A673;
  --warn:#D9482F;
  --r-card:16px;
  --r-img:20px;
  --r-btn:10px;
  --shadow-card:0 1px 2px rgba(11,59,44,.06),0 12px 28px -18px rgba(11,59,44,.28);
  --shadow-hover:0 2px 4px rgba(11,59,44,.08),0 22px 42px -20px rgba(11,59,44,.36);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit;color:inherit}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.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}
.num{font-family:"Inter","Barlow",system-ui,sans-serif;font-variant-numeric:tabular-nums}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--bg{background:var(--bg)}
.section--white{background:#fff}
.section--soft{background:var(--bg-soft)}
.section--dark{background:var(--brand-deep);color:#fff}

h1{font-size:clamp(28px,4.6vw,46px);line-height:1.22;letter-spacing:-.01em;font-weight:700}
h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;letter-spacing:-.005em}
h3{font-size:19px;line-height:1.5;font-weight:600}
h4{font-size:17px;line-height:1.5;font-weight:600}
p{line-height:1.85}
.lead{font-size:17px;line-height:1.9;color:var(--ink-2)}
.muted{color:var(--ink-3);font-size:13.5px;line-height:1.7}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px -14px rgba(255,106,43,.9)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-outline{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.btn-outline:hover{background:rgba(11,59,44,.06)}
.btn-ghost{color:var(--brand);padding:0 6px;min-height:46px}
.btn-ghost span{border-bottom:1px solid rgba(11,59,44,.35);padding-bottom:2px;transition:border-color .18s ease,color .18s ease}
.btn-ghost:hover span{border-color:var(--accent);color:var(--accent)}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:#EFEDE6;transform:translateY(-1px)}

/* ---------- 徽标 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.4;
  background:rgba(20,107,79,.12);color:var(--brand);
}
.badge--accent{background:rgba(255,106,43,.14);color:#C84B13}
.badge--amber{background:rgba(242,176,30,.18);color:#8A5E00}
.badge--outline{background:transparent;border:1px solid var(--line);color:var(--ink-2)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.94);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px -22px rgba(11,59,44,.55)}
.header-inner{display:flex;align-items:center;gap:28px;min-height:68px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;
  box-shadow:0 8px 18px -12px rgba(11,59,44,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.16}
.brand-top{font-family:"Inter","Barlow",sans-serif;font-size:11.5px;letter-spacing:.18em;color:var(--ink-3);font-weight:600}
.brand-sub{font-size:14.5px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
  position:relative;
  padding:10px 12px;border-radius:8px;
  font-size:14px;font-weight:500;color:var(--ink-2);
  transition:color .18s ease,background-color .18s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link.is-active{color:var(--brand);font-weight:600;background:rgba(20,107,79,.1)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);
}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  width:224px;height:42px;padding:0 10px;
  background:#fff;border:1px solid var(--card-line);border-radius:10px;
  transition:width .22s ease,border-color .2s ease,box-shadow .2s ease;
}
.cmd-search:hover{border-color:#CFCBBE}
.cmd-search:focus-within{width:320px;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,43,.22)}
.cmd-search svg{flex-shrink:0;color:var(--ink-3)}
.cmd-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:13.5px}
.cmd-search input::placeholder{color:#A8B1AC}
.cmd-search kbd{
  font-family:"Inter",sans-serif;font-size:11px;color:var(--ink-3);
  border:1px solid var(--line);border-radius:6px;padding:2px 6px;background:#FAF9F6;
}
.header-quick{font-size:14px;color:var(--ink-2);font-weight:500;padding:8px 4px;border-bottom:1px solid transparent;transition:color .18s,border-color .18s}
.header-quick:hover{color:var(--accent);border-color:var(--accent)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--card-line);
  align-items:center;justify-content:center;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 抽屉 */
.drawer-scrim{position:fixed;inset:0;background:rgba(8,19,15,.5);opacity:0;pointer-events:none;transition:opacity .28s ease;z-index:70}
.drawer-scrim.is-open{opacity:1;pointer-events:auto}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);z-index:80;
  background:#fff;border-left:1px solid var(--line);
  padding:20px;display:flex;flex-direction:column;gap:18px;
  transform:translateX(102%);transition:transform .3s cubic-bezier(.3,.9,.3,1);
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-title{font-size:15px;font-weight:700;color:var(--brand)}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--card-line);font-size:22px;line-height:1;color:var(--ink-2)}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-link{padding:15px 4px;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink-2);font-weight:500}
.drawer-link.is-active{color:var(--brand);font-weight:700}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3)}
.crumbs a{color:var(--ink-2);transition:color .18s}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{color:#C3C7C1}
.crumbs .current{color:var(--brand);font-weight:600}

/* ---------- 分类页首屏 ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#EDF4F0 0%,#F6F4EF 100%);
  border-bottom:1px solid var(--line);
  padding:44px 0 72px;
}
.cat-hero::before{
  content:"";position:absolute;top:-90px;right:-40px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,107,79,.12),transparent 68%);
}
.arch-frame{
  position:absolute;left:-56px;bottom:-1px;width:220px;height:300px;
  border:2px solid rgba(11,59,44,.14);border-bottom:0;
  border-radius:130px 130px 0 0;pointer-events:none;
}
.cat-hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:48px;align-items:center;padding-top:26px}
.cat-hero h1{margin:18px 0 16px;max-width:620px}
.cat-hero .lead{max-width:600px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;padding-top:22px;border-top:1px dashed var(--line)}
.anchor-pills a{
  font-size:13.5px;font-weight:600;color:var(--brand);background:#fff;
  border:1px solid var(--card-line);border-radius:999px;padding:8px 15px;
  transition:border-color .18s,transform .18s,box-shadow .18s,color .18s;
}
.anchor-pills a:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-card);color:var(--accent)}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  box-shadow:0 24px 50px -30px rgba(11,59,44,.7);background:#E6E3DA;
}
.hero-stat{
  position:absolute;left:-20px;bottom:-24px;background:#fff;border:1px solid var(--card-line);
  border-radius:14px;padding:16px 18px;box-shadow:var(--shadow-card);min-width:196px;
}
.hero-stat .num{display:block;font-size:26px;font-weight:700;color:var(--brand);line-height:1.2}
.hero-stat span.muted{display:block;margin-top:4px}
.hero-badge{position:absolute;top:16px;left:16px;background:rgba(8,19,15,.82);color:#fff;border-radius:999px;padding:6px 14px;font-size:12.5px;font-weight:600;letter-spacing:.02em}

/* ---------- 通用板块标题 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.eyebrow{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--accent);text-transform:uppercase}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--amber)}
.section-head p{max-width:640px;color:var(--ink-2);margin-top:10px}

/* ---------- 准备清单 ---------- */
.prep-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.86fr);gap:40px;align-items:start}
.check-list{background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);padding:10px 26px;box-shadow:var(--shadow-card)}
.check-list li{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);font-size:15.5px;color:var(--ink-2);line-height:1.75}
.check-list li:last-child{border-bottom:0}
.check-list svg{flex-shrink:0;margin-top:5px;color:var(--brand-light)}
.check-list strong{color:var(--ink);font-weight:600}
.note-card{
  background:var(--brand-deep);color:#fff;border-radius:var(--r-card);padding:28px;
  border:1px solid rgba(255,255,255,.12);
}
.note-card h3{color:#fff;margin-bottom:12px}
.note-card p{color:rgba(255,255,255,.78);font-size:14.5px}
.note-card .mini-row{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.16);font-size:14px;color:rgba(255,255,255,.82)}
.note-card .mini-row:last-child{border-bottom:0}
.note-card .mini-row b{color:var(--amber);font-weight:600}

/* ---------- 步骤流 ---------- */
.steps{margin-top:8px}
.step{
  position:relative;display:grid;grid-template-columns:64px minmax(0,1fr) 300px;
  gap:28px;padding-bottom:44px;
}
.step-rail{position:relative;display:flex;justify-content:center}
.step-num{
  position:relative;z-index:2;
  width:56px;height:56px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  background:var(--accent);color:#fff;font-weight:700;font-size:22px;
  font-family:"Inter","Barlow",sans-serif;font-variant-numeric:tabular-nums;
  box-shadow:0 12px 24px -14px rgba(255,106,43,.95);
}
.step-rail::after{
  content:"";position:absolute;top:64px;bottom:-44px;left:50%;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(20,107,79,.45),rgba(20,107,79,.06));
}
.step:last-child{padding-bottom:0}
.step:last-child .step-rail::after{display:none}
.step-body{padding-top:6px}
.step-body h3{margin-bottom:10px}
.step-body p{color:var(--ink-2);font-size:15.5px;max-width:660px}
.tick-list{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.tick-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--ink-2);line-height:1.75}
.tick-list li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--amber)}
.step-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px;
  border:1px solid var(--card-line);background:#E6E3DA;
}
.step-media figcaption{font-size:12.5px;color:var(--ink-3);margin-top:8px;line-height:1.6}

/* ---------- 提示对照 ---------- */
.tip-list{display:flex;flex-direction:column;gap:14px}
.tip-row{
  display:grid;grid-template-columns:260px minmax(0,1fr);gap:24px;align-items:center;
  background:#fff;border:1px solid var(--card-line);border-left:4px solid var(--accent);
  border-radius:14px;padding:20px 24px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tip-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand)}
.tip-row .tip-key{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15.5px;color:var(--ink)}
.tip-row .tip-key svg{color:var(--warn);flex-shrink:0}
.tip-row p{font-size:14.5px;color:var(--ink-2)}
.tip-row p b{color:var(--brand);font-weight:600}

/* ---------- 深色确认区 ---------- */
.confirm-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:36px}
.confirm-card{
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);
  padding:26px;background:rgba(255,255,255,.03);
  transition:border-color .2s ease,transform .2s ease;
}
.confirm-card:hover{border-color:rgba(255,106,43,.6);transform:translateY(-3px)}
.confirm-card .idx{font-family:"Inter",sans-serif;font-size:13px;letter-spacing:.16em;color:var(--amber);font-weight:700}
.confirm-card h3{color:#fff;margin:12px 0 10px}
.confirm-card p{color:rgba(255,255,255,.74);font-size:14.5px}
.dark-head{max-width:760px}
.dark-head p{color:rgba(255,255,255,.76);margin-top:14px}
.footer-arch{margin-top:52px;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent)}

/* ---------- FAQ ---------- */
.faq-list{background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .18s ease,background-color .18s ease;
}
.faq-q:hover{color:var(--brand);background:#FBFAF7}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .28s ease,opacity .28s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a-inner{padding:0 26px 24px;color:var(--ink-2);font-size:15px;line-height:1.9}
.faq-foot{margin-top:22px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--brand);color:#fff;border-radius:0;
  padding:64px 0;
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;
  border:2px solid rgba(255,255,255,.16);
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:#fff;max-width:560px}
.cta-inner p{color:rgba(255,255,255,.78);margin-top:12px;max-width:560px;font-size:15px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.78);padding:70px 0 26px;position:relative}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-top:34px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.brand-mark--footer{background:rgba(255,255,255,.1);color:#fff}
.footer-brand .brand-top{color:rgba(255,255,255,.5)}
.footer-brand .brand-sub{color:#fff}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);max-width:340px}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease,transform .18s ease}
.footer-links a:hover{color:var(--accent);transform:translateX(3px)}
.footer-contact{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);display:flex;flex-direction:column}
.footer-contact b{color:#fff;font-weight:600;font-size:13.5px;margin-bottom:4px}
.footer-bottom{
  margin-top:42px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .cmd-search{width:180px}
  .cmd-search:focus-within{width:240px}
  .header-quick{display:none}
}
@media (max-width:1024px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .cat-hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-figure{max-width:560px}
  .hero-stat{left:auto;right:16px;bottom:-20px}
  .step{grid-template-columns:56px minmax(0,1fr)}
  .step-media{grid-column:2;max-width:420px}
  .confirm-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:860px){
  .section{padding:64px 0}
  .prep-grid{grid-template-columns:1fr;gap:26px}
  .tip-row{grid-template-columns:1fr;gap:10px}
  .cta-band{padding:52px 0}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .section-head{margin-bottom:26px}
  .header-inner{min-height:60px;gap:12px}
  .cmd-search{display:none}
  .brand-sub{font-size:13.5px}
  .cat-hero{padding:28px 0 56px}
  .arch-frame{display:none}
  .hero-cta .btn{width:100%}
  .step{grid-template-columns:44px minmax(0,1fr);gap:18px;padding-bottom:34px}
  .step-num{width:44px;height:44px;font-size:18px}
  .step-rail::after{top:52px;bottom:-34px}
  .confirm-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-q{padding:18px 18px;font-size:15.5px}
  .faq-a-inner{padding:0 18px 20px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}
@media (hover:none){
  .tip-row:hover,.confirm-card:hover,.anchor-pills a:hover{transform:none;box-shadow:none}
  .footer-links a:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --brand:#0B3B2C;
  --brand-deep:#08130F;
  --brand-light:#146B4F;
  --accent:#FF6A2B;
  --accent-soft:#FFF1E8;
  --amber:#F2B01E;
  --bg:#F6F4EF;
  --bg-soft:#EDF4EF;
  --card:#FFFFFF;
  --ink:#101613;
  --ink-2:#4A5A54;
  --ink-3:#8A9691;
  --line:#E3E1D8;
  --card-line:#E7E4DA;
  --input-line:#DCD9CF;
  --ok:#17A673;
  --warn:#D9482F;
  --r-card:16px;
  --r-img:20px;
  --r-btn:10px;
  --r-input:10px;
  --shadow-card:0 1px 2px rgba(11,59,44,.06), 0 12px 28px -18px rgba(11,59,44,.28);
  --shadow-hover:0 2px 4px rgba(11,59,44,.08), 0 22px 42px -22px rgba(11,59,44,.34);
  --header-h:64px;
}
*,*::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:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei","Inter",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:inherit;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
h1{font-size:clamp(28px,4.6vw,48px);line-height:1.22;letter-spacing:-.01em;font-weight:700;}
h2{font-size:clamp(22px,2.6vw,31px);line-height:1.32;font-weight:700;letter-spacing:-.005em;}
h3{font-size:19px;line-height:1.45;font-weight:600;}
p{font-size:16px;line-height:1.85;color:var(--ink-2);}
strong{color:var(--ink);font-weight:600;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-family:"Inter","Barlow",sans-serif;font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(11,59,44,.42);background:rgba(255,255,255,.96);}
.nav-inner{display:flex;align-items:center;gap:20px;height:var(--header-h);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex-shrink:0;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-top{font-family:"Inter",sans-serif;font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--brand-light);}
.brand-sub{font-size:14px;font-weight:600;color:var(--ink);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;font-size:14px;color:var(--ink-2);font-weight:500;
  padding:8px 11px;border-radius:999px;transition:color .2s,background .2s;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand);background:#EDF4EF;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;background:#EDF4EF;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  width:220px;height:40px;padding:0 10px 0 12px;
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-input);
  transition:width .25s ease,border-color .2s ease,box-shadow .2s ease;
}
.cmd-search svg{flex-shrink:0;color:var(--ink-3);}
.cmd-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:13.5px;color:var(--ink);
}
.cmd-search input::placeholder{color:var(--ink-3);}
.cmd-search kbd{
  flex-shrink:0;font-family:"Inter",sans-serif;font-size:11px;
  color:var(--ink-3);background:#F3F1EA;border:1px solid var(--line);
  border-radius:6px;padding:1px 5px;line-height:1.5;
}
.cmd-search:focus-within{width:320px;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,43,.22);}
.nav-quick{font-size:14px;color:var(--ink-2);font-weight:500;padding:8px 2px;border-bottom:1px solid transparent;transition:color .2s,border-color .2s;}
.nav-quick:hover{color:var(--accent);border-color:var(--accent);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px -14px rgba(255,106,43,.9);}
.btn-primary:hover{background:#F25A18;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0) scale(.985);}
.btn-ghost{
  background:transparent;color:var(--brand);border-color:var(--brand);
}
.btn-ghost:hover{background:rgba(11,59,44,.06);transform:translateY(-1px);}
.btn-plain{background:transparent;color:var(--brand);padding:0 4px;height:44px;border:0;}
.btn-plain span{border-bottom:1.5px solid currentColor;transition:color .2s;}
.btn-plain:hover{color:var(--accent);}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--card-line);
  background:#fff;border-radius:var(--r-btn);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:1.8px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:1.8px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* drawer */
.nav-mask{
  position:fixed;inset:0;background:rgba(8,19,15,.48);opacity:0;pointer-events:none;
  transition:opacity .28s ease;z-index:70;
}
.nav-mask.is-open{opacity:1;pointer-events:auto;}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(340px,86vw);z-index:80;
  background:#fff;border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:20px;gap:18px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{background:#F3F1EA;border:0;border-radius:10px;width:38px;height:38px;cursor:pointer;font-size:18px;color:var(--ink-2);}
.drawer-search{display:flex;align-items:center;gap:8px;border:1px solid var(--input-line);border-radius:var(--r-input);height:44px;padding:0 12px;}
.drawer-search input{border:0;outline:none;width:100%;font-size:14px;background:transparent;}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{
  padding:13px 4px;font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line);
}
.drawer-links a.is-active{color:var(--brand);font-weight:600;}
.drawer-links a:hover{color:var(--accent);}
.drawer-cta{margin-top:auto;}

/* ---------- breadcrumb ---------- */
.crumb{padding:20px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb a{color:var(--ink-2);transition:color .2s;}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:#C6C3B8;}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;line-height:1.7;
  padding:3px 12px;border-radius:999px;
  background:#E7F0EA;color:var(--brand);
}
.badge-accent{background:var(--accent-soft);color:#C4460F;}
.badge-amber{background:#FDF3D8;color:#8A5F00;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--brand-light);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--amber);border-radius:2px;}

/* ---------- hero (category2: 浅绿底) ---------- */
.cat-hero{
  background:var(--bg-soft);
  border-bottom:1px solid #DDE8E0;
  position:relative;overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;right:-90px;top:-60px;width:280px;height:360px;
  border:2px solid rgba(11,59,44,.14);border-radius:160px 160px 0 0;pointer-events:none;
}
.cat-hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
  padding:56px 0 72px;
}
.cat-hero h1{margin:16px 0 18px;color:var(--ink);}
.cat-hero h1 em{font-style:normal;color:var(--brand);}
.cat-hero .lead{font-size:17px;line-height:1.85;color:var(--ink-2);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-img);border:1px solid rgba(11,59,44,.12);background:#E4E2DA;
}
.hero-float{
  position:absolute;left:-16px;bottom:22px;
  background:#fff;border:1px solid var(--card-line);border-radius:14px;
  padding:14px 16px;box-shadow:var(--shadow-card);min-width:196px;
}
.hero-float .hf-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.hero-float b{font-size:15px;font-weight:600;color:var(--ink);}
.hero-float small{font-size:12px;color:var(--ink-3);}
.mini-bar{height:6px;border-radius:999px;background:#EDEBE3;margin-top:10px;overflow:hidden;}
.mini-bar i{display:block;height:100%;width:68%;background:var(--accent);border-radius:999px;}

/* anchor sub-nav */
.anchor-nav{
  display:flex;flex-wrap:wrap;gap:10px;padding:18px 0 0;
}
.anchor-nav a{
  font-size:13.5px;font-weight:500;color:var(--ink-2);
  border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:7px 15px;transition:all .2s ease;
}
.anchor-nav a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}

/* ---------- sections ---------- */
.section{padding:84px 0;}
.section-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-dark{background:var(--brand-deep);color:#fff;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{margin:14px 0 12px;}
.section-head p{font-size:16px;}

/* 能力速览：排行榜卡片 */
.rank-card{
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rank-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand);}
.rank-top{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.rank-no{
  width:34px;height:34px;border-radius:999px;flex-shrink:0;
  background:var(--accent);color:#fff;font-family:"Inter",sans-serif;font-weight:700;font-size:14px;
  display:flex;align-items:center;justify-content:center;
}
.rank-top h3{font-size:17px;}
.bar-row{display:flex;align-items:center;gap:14px;margin-bottom:12px;}
.bar-row span{font-size:13.5px;color:var(--ink-2);width:104px;flex-shrink:0;}
.bar-track{flex:1;height:8px;background:#EDEBE3;border-radius:999px;overflow:hidden;}
.bar-track i{display:block;height:100%;background:var(--brand-light);border-radius:999px;}
.bar-track i.is-accent{background:var(--accent);}
.bar-row b{font-size:13px;color:var(--ink);width:38px;text-align:right;}

/* Z 字图文 */
.zig-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:34px 0;
}
.zig-row + .zig-row{border-top:1px solid var(--line);}
.zig-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);
  border:1px solid rgba(11,59,44,.1);background:#E4E2DA;
  box-shadow:var(--shadow-card);
}
.zig-body h2{margin:14px 0 14px;}
.zig-body p{font-size:16px;}
.zig-row.is-reverse .zig-media{order:2;}
.zig-row.is-reverse .zig-body{order:1;}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);line-height:1.75;}
.check-list li::before{
  content:"";flex-shrink:0;width:16px;height:16px;margin-top:5px;border-radius:5px;
  background:#E7F0EA;
  background-image:linear-gradient(var(--brand-light),var(--brand-light));
  background-size:9px 2px;background-repeat:no-repeat;background-position:center;
}

/* 指标条 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-card);padding:24px;
}
.stat-card .num{font-size:34px;font-weight:700;color:#fff;line-height:1.2;}
.stat-card .num i{font-style:normal;color:var(--accent);font-size:20px;vertical-align:super;}
.stat-card p{color:rgba(255,255,255,.72);font-size:14px;margin-top:6px;line-height:1.7;}

/* 反馈摘录 */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.quote-card{
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:16px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand);}
.stars{display:flex;gap:3px;color:var(--amber);font-size:14px;letter-spacing:2px;}
.quote-card p{font-size:15px;line-height:1.8;color:var(--ink-2);}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:auto;}
.quote-user img{width:44px;height:44px;border-radius:50%;object-fit:cover;background:#E4E2DA;}
.quote-user b{display:block;font-size:14px;color:var(--ink);font-weight:600;}
.quote-user small{font-size:12.5px;color:var(--ink-3);}

/* FAQ */
.faq-card{
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;background:transparent;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);text-align:left;
  transition:background .2s ease;
}
.faq-q:hover{background:#FAF9F5;}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .28s ease,opacity .28s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s cubic-bezier(.4,0,.2,1);}
.faq-a-inner{padding:0 24px 22px;font-size:15px;color:var(--ink-2);line-height:1.85;}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-foot{display:flex;justify-content:flex-end;margin-top:20px;}

/* CTA */
.cta-band{
  background:var(--brand);color:#fff;border-radius:var(--r-img);
  padding:52px 48px;display:grid;grid-template-columns:1.3fr auto;gap:36px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;height:100%;width:6px;background:var(--accent);
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-70px;width:220px;height:220px;
  border:2px solid rgba(255,255,255,.16);border-radius:50%;
}
.cta-band h2{color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.78);max-width:560px;font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}
.btn-onDark{background:#fff;color:var(--brand);}
.btn-onDark:hover{background:#F2EFE7;transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-1px);}

/* footer */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);padding:64px 0 28px;position:relative;}
.site-footer::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:min(560px,90%);height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);}
.footer-brand .brand-top{color:var(--amber);}
.footer-brand .brand-sub{color:#fff;}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);}
.footer-col h3{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);transition:color .2s ease,transform .2s ease;display:inline-block;}
.footer-links a:hover{color:var(--accent);transform:translateX(3px);}
.footer-contact{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);}
.footer-contact b{display:block;color:#fff;font-weight:600;font-size:13.5px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .cmd-search{width:170px;}
  .cmd-search:focus-within{width:220px;}
  .nav-quick{display:none;}
}
@media (max-width:1024px){
  .main-nav{display:none;}
  .cmd-search{display:none;}
  .nav-toggle{display:flex;}
  .cat-hero-inner{grid-template-columns:1fr;gap:34px;padding:44px 0 56px;}
  .cat-hero::after{display:none;}
  .hero-float{left:12px;bottom:14px;}
  .section{padding:64px 0;}
  .zig-row{grid-template-columns:1fr;gap:26px;padding:28px 0;}
  .zig-row.is-reverse .zig-media{order:1;}
  .zig-row.is-reverse .zig-body{order:2;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .quote-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:54px 0;}
  .section-head{margin-bottom:30px;}
  .stat-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .cta-actions{flex-direction:column;align-items:stretch;}
}
@media (max-width:520px){
  body{font-size:15.5px;}
  .brand-sub{font-size:12.5px;}
  .brand-top{font-size:11px;}
  .cat-hero-inner{padding:34px 0 44px;}
  .hero-float{position:static;margin-top:14px;left:auto;bottom:auto;min-width:0;}
  .rank-card{padding:20px;}
  .faq-q{padding:17px 18px;font-size:15px;}
  .faq-a-inner{padding:0 18px 18px;}
  .cta-band{padding:32px 22px;border-radius:16px;}
}
@media (hover:none){
  .rank-card:hover,.quote-card:hover,.nav-link:hover,.btn:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --brand:#0B3B2C;
  --brand-deep:#08130F;
  --brand-light:#146B4F;
  --accent:#FF6A2B;
  --accent-soft:#FFF0E8;
  --amber:#F2B01E;
  --bg:#F6F4EF;
  --bg-mint:#EEF3EF;
  --card:#FFFFFF;
  --ink:#101613;
  --ink-2:#4A5A54;
  --ink-3:#8A9691;
  --line:#E3E1D8;
  --card-line:#E7E4DA;
  --ok:#17A673;
  --warn:#D9482F;
  --r-card:16px;
  --r-img:20px;
  --r-btn:10px;
  --shadow-card:0 1px 2px rgba(11,59,44,.06),0 12px 28px -18px rgba(11,59,44,.28);
  --shadow-card-hover:0 2px 4px rgba(11,59,44,.08),0 20px 40px -20px rgba(11,59,44,.36);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
ul,ol{margin:0;padding:0}
.tabnum{font-variant-numeric:tabular-nums;font-family:"Inter","Barlow",system-ui,sans-serif}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,239,.95);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px -20px rgba(11,59,44,.55)}
.header-inner{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-top{font-size:10.5px;letter-spacing:.16em;color:var(--ink-3);font-weight:600}
.brand-sub{font-size:14px;font-weight:700;color:var(--brand);letter-spacing:-.01em}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:10px}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;border-radius:999px;
  font-size:14px;color:var(--ink-2);white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(20,107,79,.08)}
.nav-link.is-active{color:var(--brand);font-weight:600;background:rgba(20,107,79,.1)}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 10px;width:220px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  transition:width .25s ease,border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{width:320px;border-color:var(--brand-light);box-shadow:0 0 0 3px rgba(255,106,43,.18)}
.search-box svg{flex-shrink:0;color:var(--ink-3)}
.search-box input{flex:1;min-width:0;border:0;outline:none;background:transparent;font-size:13px;color:var(--ink)}
.search-box input::placeholder{color:var(--ink-3)}
.kbd{
  flex-shrink:0;font-size:10.5px;color:var(--ink-3);background:#FAF9F5;
  border:1px solid var(--line);border-radius:6px;padding:1px 5px;line-height:1.5;
}
.quick-link{font-size:14px;color:var(--brand);border-bottom:1px solid transparent;transition:border-color .2s,color .2s;white-space:nowrap}
.quick-link:hover{border-color:var(--brand)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px -14px rgba(255,106,43,.9)}
.btn-primary:hover{background:#F25C1C;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--brand);border:1px solid rgba(11,59,44,.35)}
.btn-ghost:hover{background:rgba(11,59,44,.06)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:16px;height:1.6px;background:var(--brand);border-radius:2px;position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:16px;height:1.6px;background:var(--brand);border-radius:2px}
.menu-toggle span::before{top:-5px}
.menu-toggle span::after{top:5px}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,19,15,.5);opacity:0;visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);background:#fff;z-index:95;
  transform:translateX(102%);transition:transform .32s cubic-bezier(.22,.7,.24,1);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-size:14px;font-weight:700;color:var(--brand)}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-2)}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-btn);background:#FAF9F5;margin-bottom:18px}
.drawer-search input{flex:1;min-width:0;border:0;outline:none;background:transparent;font-size:14px}
.drawer-nav{display:grid;gap:2px}
.drawer-nav a{padding:13px 12px;border-radius:10px;font-size:15px;color:var(--ink-2)}
.drawer-nav a:hover{background:var(--bg-mint);color:var(--brand)}
.drawer-nav a.is-active{background:rgba(20,107,79,.1);color:var(--brand);font-weight:600}
.drawer-cta{margin-top:auto;padding-top:22px;display:grid;gap:12px}
.drawer-note{font-size:12.5px;color:var(--ink-3);line-height:1.7}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;flex-wrap:wrap}
.crumb a{color:var(--ink-3);transition:color .2s}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:var(--ink-3);opacity:.6}
.crumb .cur{color:var(--ink-2);font-weight:600}
.crumb.on-dark a{color:rgba(255,255,255,.68)}
.crumb.on-dark a:hover{color:var(--amber)}
.crumb.on-dark .cur{color:#fff}
.crumb.on-dark .sep{color:rgba(255,255,255,.4)}

/* ---------- 分类页首屏 ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--brand-deep);color:#fff}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(118deg,rgba(8,19,15,.95) 0%,rgba(11,59,44,.86) 58%,rgba(11,59,44,.72) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.frame-deco{
  position:absolute;top:34px;right:36px;width:128px;height:128px;
  border:1px solid rgba(255,255,255,.12);border-radius:16px 16px 0 0;pointer-events:none;
}
.frame-deco::after{content:"";position:absolute;inset:11px;border:1px solid rgba(255,255,255,.07);border-radius:11px 11px 0 0}
.cat-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:52px;padding:56px 0 68px;align-items:start}
.hero-eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;letter-spacing:.1em;color:var(--amber);font-weight:600;margin:20px 0 14px}
.hero-eyebrow::before{content:"";width:26px;height:2px;background:var(--amber);border-radius:2px}
.page-title{
  font-size:clamp(28px,4.6vw,44px);line-height:1.24;letter-spacing:-.01em;font-weight:700;
  margin:0 0 18px;color:#fff;
}
.page-title em{font-style:normal;color:var(--amber)}
.hero-lead{font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.8);margin:0;max-width:640px}
.anchor-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.anchor-nav a{
  font-size:13.5px;padding:7px 15px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.88);
  transition:background-color .2s,border-color .2s,color .2s;
}
.anchor-nav a:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.34);color:#fff}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.hero-stat b{display:block;font-size:26px;font-weight:700;color:#fff;line-height:1.2}
.hero-stat span{display:block;font-size:13px;color:rgba(255,255,255,.66);margin-top:4px}
.hero-side{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-card);padding:24px;
}
.hero-side-title{font-size:12.5px;letter-spacing:.1em;color:rgba(255,255,255,.62);font-weight:600;margin:0 0 16px}
.hero-side-list{list-style:none;display:grid;gap:12px}
.hero-side-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:12px;border-bottom:1px dashed rgba(255,255,255,.14);
  font-size:14px;color:rgba(255,255,255,.88);
}
.hero-side-list li:last-child{border-bottom:0;padding-bottom:0}
.hero-side-list .count{font-size:13px;color:var(--amber);font-weight:600}
.hero-side-foot{
  margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);
  font-size:12.5px;color:rgba(255,255,255,.6);line-height:1.75;
}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0}
.section-white{background:#fff}
.section-mint{background:var(--bg-mint)}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.1em;color:var(--brand-light)}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--amber);border-radius:2px}
.section-title{font-size:clamp(23px,3vw,30px);line-height:1.32;font-weight:700;letter-spacing:-.01em;color:var(--ink);margin:14px 0 14px}
.section-desc{font-size:15.5px;line-height:1.85;color:var(--ink-2);margin:0}

/* ---------- FAQ 布局 ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px}
.faq-toc{display:none}
.faq-toc-card{
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-card);
}
.faq-toc-card h2{font-size:13px;letter-spacing:.08em;color:var(--ink-3);font-weight:600;margin:0 0 14px}
.faq-toc-list{list-style:none;display:grid;gap:2px}
.faq-toc-list a{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;
  font-size:14px;color:var(--ink-2);transition:background-color .2s,color .2s;
}
.faq-toc-list a:hover{background:var(--bg-mint);color:var(--brand)}
.faq-toc-list .idx{
  width:22px;height:22px;border-radius:50%;background:var(--bg-mint);color:var(--brand);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.faq-toc-tip{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--ink-3);line-height:1.75;
}
.faq-group{margin-bottom:44px;scroll-margin-top:88px}
.faq-group:last-child{margin-bottom:0}
.faq-group-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.faq-group-num{
  width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;
  font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.faq-group-title{font-size:clamp(19px,2.2vw,23px);font-weight:700;letter-spacing:-.01em;color:var(--ink);margin:0}
.faq-group-tag{
  margin-left:auto;font-size:12.5px;color:var(--brand);background:rgba(20,107,79,.1);
  border-radius:999px;padding:4px 12px;white-space:nowrap;
}
.faq-card{background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);box-shadow:var(--shadow-card);overflow:hidden}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;line-height:1.6;color:var(--ink);
  transition:color .2s ease,background-color .2s ease;
}
.faq-q:hover{color:var(--brand);background:#FAFAF7}
.faq-icon{
  position:relative;flex-shrink:0;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line);background:#fff;
  transition:transform .25s ease,background-color .2s ease,border-color .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--ink-2);border-radius:2px;transition:background-color .2s,opacity .2s;
}
.faq-icon::before{width:10px;height:1.6px}
.faq-icon::after{width:1.6px;height:10px}
.faq-item.is-open .faq-icon{background:var(--accent);border-color:var(--accent);transform:rotate(180deg)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:#fff}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);margin:0}

/* ---------- 自检三步 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.check-card{
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.check-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover);border-color:rgba(20,107,79,.4)}
.check-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.check-no{
  width:30px;height:30px;border-radius:9px;background:var(--accent-soft);color:var(--accent);
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.check-card h3{font-size:17px;font-weight:600;color:var(--ink);margin:0}
.check-card p{font-size:14.5px;line-height:1.85;color:var(--ink-2);margin:0}
.check-card ul{list-style:none;margin:14px 0 0;display:grid;gap:8px}
.check-card li{position:relative;padding-left:16px;font-size:13.5px;line-height:1.75;color:var(--ink-2)}
.check-card li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;
  background:var(--brand-light);
}

/* ---------- 图文辅助区 ---------- */
.help-split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:center}
.help-img{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--card-line);box-shadow:var(--shadow-card)}
.help-img img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#EDEBE4}
.help-list{list-style:none;display:grid;gap:14px;margin:22px 0 0}
.help-list li{display:flex;gap:12px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.help-list .dot{
  flex-shrink:0;width:20px;height:20px;border-radius:50%;background:var(--bg-mint);
  color:var(--brand);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:5px;
}
.quote{
  margin:24px 0 0;padding:16px 20px;background:var(--bg-mint);
  border-left:3px solid var(--brand);border-radius:0 12px 12px 0;
  font-size:15px;line-height:1.85;color:var(--brand);
}

/* ---------- CTA 条 ---------- */
.cta-band{position:relative;background:var(--brand-deep);color:#fff;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(8,19,15,.96),rgba(11,59,44,.9)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:44px;align-items:center;padding:72px 0}
.cta-title{font-size:clamp(23px,3vw,31px);line-height:1.35;font-weight:700;margin:0 0 14px;color:#fff}
.cta-desc{font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.78);margin:0;max-width:520px}
.cta-form{display:grid;gap:14px}
.field-label{font-size:13px;color:rgba(255,255,255,.66);margin-bottom:6px;display:block}
.field-input{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);
  color:#fff;font-size:14.5px;outline:none;
  transition:border-color .2s,box-shadow .2s,background-color .2s;
}
.field-input::placeholder{color:rgba(255,255,255,.45)}
.field-input:focus{border-color:var(--accent);background:rgba(255,255,255,.12);box-shadow:0 0 0 3px rgba(255,106,43,.24)}
.cta-form-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.privacy-note{font-size:12.5px;color:rgba(255,255,255,.54);line-height:1.7;margin:0}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--brand-deep);color:rgba(255,255,255,.72);padding:72px 0 30px}
.site-footer::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:200px;height:9px;border:1px solid rgba(255,255,255,.16);border-top:0;
  border-radius:0 0 14px 14px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);color:#fff}
.footer-brand .brand-top{color:rgba(255,255,255,.5)}
.footer-brand .brand-sub{color:#fff}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin:16px 0 0;max-width:380px}
.footer-col h3{font-size:14px;color:#fff;font-weight:600;letter-spacing:.05em;margin:0 0 16px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);transition:color .2s}
.footer-links a:hover{color:var(--accent)}
.footer-contact{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68)}
.footer-contact b{display:block;color:#fff;font-weight:600;font-size:13px;margin-bottom:4px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (min-width:1280px){
  .faq-layout{grid-template-columns:264px minmax(0,1fr);gap:48px}
  .faq-toc{display:block}
  .faq-toc-card{position:sticky;top:88px}
}
@media (max-width:1180px){
  .main-nav{margin-left:0}
  .nav-link{padding:8px 9px;font-size:13.5px}
  .search-box{width:180px}
  .search-box:focus-within{width:230px}
}
@media (max-width:1023px){
  .main-nav,.search-box,.quick-link{display:none}
  .menu-toggle{display:flex}
  .header-inner{height:58px}
  .cat-hero-inner{grid-template-columns:minmax(0,1fr);gap:34px;padding:44px 0 56px}
  .frame-deco{display:none}
  .check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .help-split{grid-template-columns:minmax(0,1fr);gap:32px}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:28px;padding:56px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .section{padding:64px 0}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .section-tight{padding:48px 0}
  .hero-lead{font-size:15.5px}
  .hero-stats{gap:26px}
  .hero-stat b{font-size:22px}
  .faq-q{padding:16px 16px;font-size:15px}
  .faq-a-inner{padding:0 16px 18px;font-size:14.5px}
  .faq-group-tag{display:none}
  .check-grid{grid-template-columns:minmax(0,1fr)}
  .cta-inner{padding:52px 0}
  .cta-form-row{flex-direction:column;align-items:stretch}
  .cta-form-row .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .brand-sub{font-size:13px}
  .page-title{font-size:26px}
  .btn{height:44px;padding:0 18px;font-size:14.5px}
  .anchor-nav a{font-size:13px;padding:6px 12px}
}

/* 触屏设备去掉位移类 hover */
@media (hover:none){
  .check-card:hover{transform:none}
  .btn-primary:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --brand:#0B3B2C;
  --brand-light:#146B4F;
  --brand-deep:#08130F;
  --accent:#FF6A2B;
  --amber:#F2B01E;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --ink:#101613;
  --ink-2:#4A5A54;
  --ink-3:#8A9691;
  --line:#E3E1D8;
  --card-line:#E7E4DA;
  --input-line:#DCD9CF;
  --ok:#17A673;
  --warn:#D9482F;
  --soft-green:#EAF1EC;
  --soft-orange:#FFF1E8;
  --r-card:16px;
  --r-img:20px;
  --r-btn:10px;
  --shadow-card:0 1px 2px rgba(11,59,44,.06), 0 12px 28px -18px rgba(11,59,44,.28);
  --shadow-hover:0 2px 4px rgba(11,59,44,.08), 0 20px 40px -22px rgba(11,59,44,.34);
}
*,*::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:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",Inter,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.num{font-family:Inter,"Barlow",sans-serif;font-variant-numeric:tabular-nums}

.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(11,59,44,.5)}
.nav-shell{
  height:64px;display:flex;align-items:center;gap:18px;justify-content:space-between;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:0 8px 18px -12px rgba(11,59,44,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-top{font-family:Inter,sans-serif;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--brand)}
.brand-sub{font-size:13px;font-weight:600;color:var(--ink-2)}
.main-nav{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;border-radius:999px;
  font-size:14px;color:var(--ink-2);transition:color .2s ease,background .2s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--soft-green)}
.nav-link.is-active{color:var(--brand);font-weight:600;background:var(--soft-green)}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;
  width:20px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;width:220px;height:40px;padding:0 10px;
  background:#fff;border:1px solid var(--card-line);border-radius:10px;
  transition:width .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cmd-search:focus-within{width:320px;border-color:var(--brand);box-shadow:0 0 0 2px var(--soft-orange)}
.cmd-search svg{flex:0 0 auto;color:var(--ink-3)}
.cmd-search input{
  border:0;outline:none;background:transparent;width:100%;font-size:14px;color:var(--ink);
}
.cmd-search input::placeholder{color:var(--ink-3)}
.cmd-search kbd{
  font-family:Inter,sans-serif;font-size:11px;color:var(--ink-3);
  border:1px solid var(--line);border-radius:6px;padding:1px 5px;background:var(--bg);flex:0 0 auto;
}
.nav-quick{font-size:14px;color:var(--brand);font-weight:600;padding:8px 4px;border-bottom:2px solid transparent;transition:border-color .2s ease,color .2s ease}
.nav-quick:hover{border-color:var(--accent);color:var(--accent)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 12px 24px -16px rgba(255,106,43,.9)}
.btn-primary:hover{background:#F25B18;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(11,59,44,.06)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand);border-bottom:2px solid transparent;transition:border-color .2s ease,color .2s ease}
.btn-link:hover{color:var(--accent);border-color:var(--accent)}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--card-line);border-radius:10px;
  background:#fff;align-items:center;justify-content:center;cursor:pointer;color:var(--brand);
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,19,15,.45);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);background:#fff;z-index:80;
  transform:translateX(100%);transition:transform .3s ease;padding:20px;overflow-y:auto;
  border-left:1px solid var(--line);
}
.drawer.is-open{transform:translateX(0)}
.drawer .cmd-search{width:100%;margin:14px 0 18px}
.drawer .cmd-search:focus-within{width:100%}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.drawer-nav a{padding:12px 12px;border-radius:10px;font-size:15px;color:var(--ink-2);border:1px solid transparent}
.drawer-nav a:hover{background:var(--soft-green);color:var(--brand)}
.drawer-nav a.is-active{background:var(--soft-green);color:var(--brand);font-weight:600;border-color:var(--card-line)}
.drawer-close{margin-left:auto;display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;border:1px solid var(--card-line);background:#fff;cursor:pointer;color:var(--brand)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#E7EFE9 0%,#F6F4EF 78%);
  padding:46px 0 72px;
}
.hero::before{
  content:"";position:absolute;left:-60px;top:20px;width:220px;height:340px;
  border-left:2px solid rgba(11,59,44,.14);border-top:2px solid rgba(11,59,44,.14);border-radius:120px 120px 0 0;
  transform:rotate(8deg);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-40px;bottom:-80px;width:260px;height:260px;
  border-right:2px solid rgba(255,106,43,.22);border-bottom:2px solid rgba(255,106,43,.22);border-radius:50%;pointer-events:none;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--ink-2);transition:color .2s ease}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span.sep{color:var(--line)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);margin-bottom:14px}
.eyebrow::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--amber)}
h1{font-size:clamp(28px,4.6vw,46px);line-height:1.22;font-weight:700;margin-bottom:18px}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:600px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 22px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;
  background:rgba(11,59,44,.07);color:var(--brand);font-size:13px;font-weight:500;
}
.chip-amber{background:rgba(242,176,30,.18);color:#8A5B00}
.hero-visual{position:relative}
.hero-frame{
  position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid rgba(11,59,44,.16);
  box-shadow:var(--shadow-card);background:#E9E7E0;aspect-ratio:4/3;
}
.hero-frame img{width:100%;height:100%;object-fit:cover}
.hero-frame::after{
  content:"";position:absolute;inset:14px;border:1px solid rgba(255,255,255,.55);
  border-radius:14px;pointer-events:none;
}
.hero-float{
  position:absolute;left:-24px;bottom:-22px;background:#fff;border:1px solid var(--card-line);
  border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-card);min-width:196px;
}
.hero-float b{display:block;font-family:Inter,sans-serif;font-size:24px;color:var(--brand);line-height:1.1}
.hero-float small{font-size:12px;color:var(--ink-3)}
.hero-float .bar{margin-top:8px}
.bar{height:8px;border-radius:999px;background:#EDEBE3;overflow:hidden}
.bar>i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--amber))}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  background:#fff;border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;gap:8px;overflow-x:auto;padding:12px 0;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-inner a{
  flex:0 0 auto;padding:7px 15px;border-radius:999px;border:1px solid var(--card-line);
  font-size:13px;color:var(--ink-2);transition:all .2s ease;
}
.anchor-inner a:hover{border-color:var(--brand);color:var(--brand);background:var(--soft-green)}

/* ---------- 通用板块 ---------- */
.section{padding:84px 0}
.section--tight{padding:64px 0}
.section--white{background:#fff}
.section--soft{background:var(--soft-green)}
.section--sand{background:var(--bg)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{font-size:clamp(23px,3vw,30px);margin-bottom:12px}
.section-head p{color:var(--ink-2);font-size:16px}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.section-head--split .section-head{max-width:660px;margin-bottom:0}

/* ---------- 对比表 ---------- */
.table-wrap{
  position:relative;overflow-x:auto;border:1px solid var(--card-line);border-radius:var(--r-card);
  background:#fff;box-shadow:var(--shadow-card);
}
.table-wrap::after{
  content:"";position:absolute;top:0;right:0;bottom:0;width:44px;pointer-events:none;
  background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.95));
}
.table-wrap::-webkit-scrollbar{height:8px}
.table-wrap::-webkit-scrollbar-thumb{background:var(--line);border-radius:8px}
table.compare{border-collapse:collapse;width:100%;min-width:820px}
table.compare thead th{
  position:sticky;top:0;z-index:3;background:var(--brand);color:#fff;text-align:left;
  font-size:14px;font-weight:600;padding:16px 18px;white-space:nowrap;
}
table.compare thead th:first-child{border-top-left-radius:var(--r-card)}
table.compare thead th:last-child{border-top-right-radius:var(--r-card)}
table.compare tbody td{
  padding:15px 18px;font-size:14.5px;color:var(--ink-2);border-top:1px solid var(--line);vertical-align:top;
}
table.compare tbody tr:nth-child(even){background:#FBFAF6}
table.compare tbody tr:hover{background:var(--soft-green)}
table.compare td.rowtitle{color:var(--ink);font-weight:600;white-space:nowrap}
table.compare td .tag{display:inline-block}
.tag{
  display:inline-flex;align-items:center;gap:5px;padding:3px 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:var(--soft-green);color:var(--brand);line-height:1.7;
}
.tag-accent{background:var(--soft-orange);color:#B8481A}
.swipe-hint{
  display:none;align-items:center;gap:8px;margin-top:12px;font-size:13px;color:var(--ink-3);
}
.swipe-hint svg{flex:0 0 auto;color:var(--accent)}

/* ---------- 数据条 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.metric-card{
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);padding:22px 24px;
  box-shadow:var(--shadow-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand)}
.metric-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:6px}
.metric-top h3{font-size:16.5px;font-weight:600}
.metric-top b{font-family:Inter,sans-serif;font-size:22px;color:var(--brand);font-variant-numeric:tabular-nums}
.metric-card p{font-size:14px;color:var(--ink-3);margin:10px 0 0}
.metric-legend{margin-top:22px;font-size:13px;color:var(--ink-3);display:flex;gap:8px;align-items:flex-start}

/* ---------- 方案选择卡 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.plan-card{
  position:relative;background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.plan-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand)}
.plan-card.featured{border-color:var(--accent);background:linear-gradient(180deg,#FFF8F3 0%,#FFFFFF 46%)}
.plan-badge{
  position:absolute;top:-13px;left:26px;background:var(--accent);color:#fff;font-size:12.5px;font-weight:600;
  padding:4px 12px;border-radius:999px;
}
.plan-card h3{font-size:19px;margin-bottom:8px}
.plan-card .plan-sub{font-size:14px;color:var(--ink-3);margin-bottom:16px}
.plan-list{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.plan-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);line-height:1.75}
.plan-list li svg{flex:0 0 auto;margin-top:6px;color:var(--brand-light)}
.plan-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;border-top:1px dashed var(--line);padding-top:18px}

/* ---------- 图文双栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--card-line);aspect-ratio:16/11;background:#E9E7E0;box-shadow:var(--shadow-card)}
.split-media img{width:100%;height:100%;object-fit:cover}
.split h2{font-size:clamp(22px,2.8vw,28px);margin-bottom:14px}
.split p{color:var(--ink-2)}
.quote{
  margin-top:22px;background:var(--soft-green);border-left:3px solid var(--brand);border-radius:0 12px 12px 0;
  padding:16px 20px;font-size:14.5px;color:var(--brand);
}
.def-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:22px}
.def-item{background:#fff;border:1px solid var(--card-line);border-radius:12px;padding:14px 16px}
.def-item b{display:block;font-size:15px;margin-bottom:4px}
.def-item span{font-size:13.5px;color:var(--ink-3)}

/* ---------- FAQ ---------- */
.faq-card{background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card)}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);transition:background .2s ease;
}
.faq-q:hover{background:#FBFAF6}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--card-line);
  display:flex;align-items:center;justify-content:center;color:var(--brand);transition:transform .25s ease,background .25s ease,color .25s ease;
  font-family:Inter,sans-serif;font-size:16px;line-height:1;
}
.faq-item.is-open .faq-icon{background:var(--accent);border-color:var(--accent);color:#fff;transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 60px 22px 24px;font-size:15px;color:var(--ink-2);line-height:1.9}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--brand-deep);color:#fff;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:50%;transform:translateX(-50%);top:-2px;width:min(720px,80%);
  height:150px;border-left:2px solid rgba(255,255,255,.16);border-right:2px solid rgba(255,255,255,.16);
  border-top:2px solid rgba(255,255,255,.16);border-radius:180px 180px 0 0;pointer-events:none;
}
.cta-inner{position:relative;z-index:1;padding:76px 0;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.cta-inner h2{font-size:clamp(23px,3vw,30px);margin-bottom:12px;color:#fff}
.cta-inner p{color:rgba(255,255,255,.72);font-size:16px;margin:0}
.cta-form{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-card);padding:24px}
.cta-form label{display:block;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:8px}
.field-row{display:flex;gap:10px;flex-wrap:wrap}
.field{
  flex:1 1 200px;height:48px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);color:#fff;padding:0 14px;outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field::placeholder{color:rgba(255,255,255,.42)}
.field:focus{border-color:var(--accent);box-shadow:0 0 0 2px rgba(255,106,43,.35)}
.cta-form small{display:block;margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.7}
.cta-links{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px}
.cta-links a{color:#fff;font-weight:600;font-size:14.5px;border-bottom:2px solid transparent;transition:border-color .2s ease,color .2s ease}
.cta-links a:hover{color:var(--amber);border-color:var(--amber)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.74);padding:66px 0 0;position:relative}
.site-footer::before{
  content:"";position:absolute;left:50%;transform:translateX(-50%);top:0;width:min(560px,70%);
  height:60px;border-left:2px solid rgba(255,255,255,.12);border-right:2px solid rgba(255,255,255,.12);pointer-events:none;
}
.footer-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:38px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);box-shadow:none}
.footer-brand .brand-top{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.62)}
.footer-about{font-size:14px;color:rgba(255,255,255,.58);line-height:1.85;margin:0}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease}
.footer-links a:hover{color:var(--accent)}
.footer-contact{font-size:14px;color:rgba(255,255,255,.66);line-height:1.8}
.footer-contact b{display:block;color:#fff;font-size:13.5px;font-weight:600}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .main-nav{display:none}
  .nav-quick{display:none}
  .cmd-search{width:180px}
  .cmd-search:focus-within{width:230px}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-float{left:auto;right:14px;bottom:-18px}
  .split{grid-template-columns:1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:64px 0}
}
@media (max-width:768px){
  .cmdBand{display:none}
  .hide-md{display:none !important}
  .metric-grid{grid-template-columns:1fr}
  .plan-grid{grid-template-columns:1fr}
  .def-list{grid-template-columns:1fr}
  .swipe-hint{display:flex}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .container{padding:0 18px}
  .nav-shell{height:56px}
  .brand-sub{font-size:12px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  h1{font-size:28px}
  .hero{padding:32px 0 56px}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .faq-a-inner{padding:0 24px 20px 24px}
  .cta-inner{padding:56px 0}
  .hero-float{position:static;margin-top:14px;width:100%}
}
@media (hover:none){
  .metric-card:hover,.plan-card:hover{transform:none;box-shadow:var(--shadow-card);border-color:var(--card-line)}
  .btn-primary:hover{transform:none}
}

/* roulang page: category5 */
:root{
  --brand:#0B3B2C;
  --brand-deep:#08130F;
  --brand-light:#146B4F;
  --brand-tint:#E8F1EC;
  --accent:#FF6A2B;
  --accent-deep:#E85A1E;
  --accent-tint:#FFF0E8;
  --amber:#F2B01E;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --ink:#101613;
  --ink-2:#4A5A54;
  --ink-3:#8A9691;
  --line:#E3E1D8;
  --card-line:#E7E4DA;
  --ok:#17A673;
  --warn:#D9482F;
  --r-card:16px;
  --r-img:20px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow:0 1px 2px rgba(11,59,44,.06),0 12px 28px -18px rgba(11,59,44,.28);
  --shadow-lg:0 2px 6px rgba(11,59,44,.08),0 24px 48px -24px rgba(11,59,44,.4);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Inter","Barlow",var(--font-cn);
}
*,*::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-cn);font-size:16px;line-height:1.85;font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;background:#EDEAE2}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (max-width:640px){.site-container{padding:0 18px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px -20px rgba(11,59,44,.55)}
.header-inner{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:11px;
  background:var(--brand);color:#fff;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-top{font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand)}
.brand-sub{font-size:12px;color:var(--ink-2);letter-spacing:.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;border-radius:var(--r-pill);
  font-size:14px;color:var(--ink-2);
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-tint)}
.nav-link.is-active{color:var(--brand);font-weight:600;background:var(--brand-tint)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.cmd-search{position:relative;display:flex;align-items:center;width:220px;transition:width .28s ease}
.cmd-search:focus-within{width:320px}
.cmd-search .search-icon{
  position:absolute;left:12px;width:16px;height:16px;color:var(--ink-3);pointer-events:none;
}
.cmd-search input{
  width:100%;height:40px;padding:0 54px 0 38px;
  border:1px solid var(--card-line);border-radius:var(--r-btn);
  background:#fff;font-size:14px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cmd-search input::placeholder{color:var(--ink-3)}
.cmd-search input:focus{border-color:var(--brand-light);box-shadow:0 0 0 2px rgba(255,106,43,.26)}
.cmd-search kbd{
  position:absolute;right:8px;padding:2px 6px;font-family:var(--font-num);
  font-size:11px;color:var(--ink-3);background:var(--bg);
  border:1px solid var(--line);border-radius:6px;
}
.quick-link{
  font-size:14px;color:var(--ink-2);white-space:nowrap;
  border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease;
}
.quick-link:hover{color:var(--accent);border-bottom-color:var(--accent)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--card-line);border-radius:var(--r-btn);
  background:#fff;cursor:pointer;color:var(--brand);
}
.nav-toggle:hover{border-color:var(--brand-light)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 22px -14px rgba(255,106,43,.9)}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(11,59,44,.06)}
.btn-light{background:#fff;color:var(--brand);border-color:transparent}
.btn-light:hover{background:#EDF3F0;transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline-light:hover{background:rgba(255,255,255,.12)}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:90;pointer-events:none}
.drawer.is-open{pointer-events:auto}
.drawer-mask{
  position:absolute;inset:0;background:rgba(8,19,15,.55);
  opacity:0;transition:opacity .26s ease;
}
.drawer.is-open .drawer-mask{opacity:1}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(88vw,370px);
  background:#fff;padding:20px;display:flex;flex-direction:column;gap:18px;
  transform:translateX(100%);transition:transform .28s ease;overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-title{font-size:15px;font-weight:700;color:var(--brand)}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--card-line);border-radius:var(--r-btn);
  background:#fff;cursor:pointer;color:var(--ink-2);
}
.drawer-search{position:relative}
.drawer-search input{
  width:100%;height:44px;padding:0 16px 0 40px;border:1px solid var(--card-line);
  border-radius:var(--r-btn);font-size:14px;outline:none;background:#fff;
}
.drawer-search input:focus{border-color:var(--brand-light);box-shadow:0 0 0 2px rgba(255,106,43,.26)}
.drawer-search svg{position:absolute;left:13px;top:14px;width:16px;height:16px;color:var(--ink-3)}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-nav a{
  display:block;padding:14px 4px;font-size:15px;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--brand);font-weight:600}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--brand-deep);color:#fff;overflow:hidden;padding:64px 0 84px}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.32;
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(8,19,15,.95) 0%,rgba(11,59,44,.86) 46%,rgba(11,59,44,.58) 100%);
}
.arch-frame{
  position:absolute;top:12%;right:5%;width:190px;height:74%;
  border:1px solid rgba(255,255,255,.16);border-bottom:none;
  border-radius:120px 120px 0 0;pointer-events:none;
}
.arch-frame::before{
  content:"";position:absolute;inset:14px 14px 0;
  border:1px solid rgba(255,255,255,.1);border-bottom:none;border-radius:110px 110px 0 0;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.28fr .82fr;gap:52px;align-items:center}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:22px}
.crumbs a:hover{color:var(--amber)}
.crumbs .crumb-current{color:#fff}
.hero h1{
  font-size:clamp(28px,4.4vw,46px);line-height:1.22;letter-spacing:-.01em;
  font-weight:700;color:#fff;
}
.hero h1 .hl{color:var(--amber)}
.hero-lead{
  margin-top:20px;max-width:620px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.82);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-anchors{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-anchors a{
  padding:6px 14px;border-radius:var(--r-pill);font-size:13px;
  color:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.24);
  transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.hero-anchors a:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);color:#fff}

.hero-panel{
  background:rgba(255,255,255,.97);color:var(--ink);
  border-radius:var(--r-card);padding:24px;box-shadow:0 30px 60px -30px rgba(0,0,0,.6);
}
.hero-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.hero-panel-title{font-size:15px;font-weight:700;color:var(--brand)}
.hero-panel-list{display:flex;flex-direction:column;margin-top:14px}
.hero-panel-item{padding:14px 0;border-top:1px solid var(--line);display:flex;gap:12px}
.hero-panel-item:first-child{border-top:none;padding-top:6px}
.dot{
  flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:9px;
}
.dot.amber{background:var(--amber)}
.dot.green{background:var(--ok)}
.hero-panel-item b{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.6}
.hero-panel-item span{display:block;font-size:12.5px;color:var(--ink-3);margin-top:2px}

/* ---------- generic sections ---------- */
.section{padding:96px 0}
.section--white{background:#fff}
.section--tint{background:var(--bg)}
.section--dark{background:var(--brand-deep);color:#fff}
@media (max-width:1024px){.section{padding:64px 0}}
@media (max-width:640px){.section{padding:52px 0}}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--accent);
  font-weight:600;letter-spacing:.04em;margin-bottom:10px;
}
.sec-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--amber);border-radius:2px}
.sec-desc{margin-top:10px;max-width:720px;font-size:15px;color:var(--ink-2)}
.more-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--brand);white-space:nowrap;border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.more-link:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* ---------- stat grid ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media (max-width:1024px){.stat-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.stat-grid{grid-template-columns:1fr}}
.stat-card{
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--brand-light)}
.stat-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:34px;font-weight:700;line-height:1.1;letter-spacing:-.02em;color:var(--brand);
}
.stat-num small{font-size:15px;font-weight:600;margin-left:4px;color:var(--ink-2)}
.stat-label{margin-top:10px;font-size:15px;font-weight:600;color:var(--ink)}
.stat-note{margin-top:6px;font-size:13.5px;color:var(--ink-3);line-height:1.7}

/* ---------- featured split ---------- */
.feature-split{display:grid;grid-template-columns:1.62fr 1fr;gap:24px;align-items:start}
@media (max-width:960px){.feature-split{grid-template-columns:1fr}}
.card{
  background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--brand-light)}
.card-media{width:100%;aspect-ratio:16/9;object-fit:cover}
.card-body{padding:24px}
.badge{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;background:var(--brand-tint);color:var(--brand);line-height:1.6;
}
.badge-accent{background:var(--accent-tint);color:#C64712}
.card-title{margin-top:14px;font-size:19px;font-weight:600;line-height:1.5;color:var(--ink)}
.card-text{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.card-meta{
  margin-top:16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);font-family:var(--font-num);font-variant-numeric:tabular-nums;
}
.card-meta .cat{font-family:var(--font-cn);color:var(--brand-light)}
.card-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;
  font-size:14px;font-weight:600;color:var(--accent);
}
.card-link svg{transition:transform .2s ease}
.card:hover .card-link svg{transform:translateX(4px)}

.mini-list{display:flex;flex-direction:column;gap:16px}
.mini-item{
  display:flex;gap:16px;padding:16px;background:#fff;border:1px solid var(--card-line);
  border-radius:var(--r-card);box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.mini-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--brand-light)}
.mini-item img{
  width:112px;height:84px;object-fit:cover;border-radius:12px;flex:0 0 auto;
}
.mini-item h3{font-size:15.5px;font-weight:600;line-height:1.55;color:var(--ink)}
.mini-item p{margin-top:6px;font-size:13.5px;color:var(--ink-3);line-height:1.7}
.mini-meta{margin-top:8px;font-size:12.5px;color:var(--amber);font-family:var(--font-num);font-variant-numeric:tabular-nums}
@media (max-width:520px){
  .mini-item{flex-direction:column}
  .mini-item img{width:100%;height:160px}
}

/* ---------- thread blocks 2x2 ---------- */
.thread-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
@media (max-width:768px){.thread-grid{grid-template-columns:1fr}}
.thread-card{
  position:relative;background:#fff;border:1px solid var(--card-line);border-radius:var(--r-card);
  padding:28px 26px 26px;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.thread-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--brand-light)}
.thread-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;
  font-family:var(--font-num);font-size:14px;font-weight:700;letter-spacing:.02em;
}
.thread-card h3{margin-top:16px;font-size:18px;font-weight:600;color:var(--ink)}
.thread-card p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.thread-tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}

/* ---------- filter + grid ---------- */
.filter-bar{
  display:flex;align-items:center;gap:10px;overflow-x:auto;padding-bottom:6px;
  margin-bottom:28px;scrollbar-width:thin;
}
.filter-chip{
  flex:0 0 auto;padding:8px 16px;border-radius:var(--r-pill);font-size:13.5px;
  border:1px solid var(--card-line);background:#fff;color:var(--ink-2);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.filter-chip:hover{color:var(--brand);border-color:var(--brand-light)}
.filter-chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:1024px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid-3{grid-template-columns:1fr}}

.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:44px;flex-wrap:wrap}
.pager a,.pager span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--card-line);background:#fff;font-size:14px;color:var(--ink-2);
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.pager a:hover{color:var(--brand);border-color:var(--brand-light)}
.pager .is-current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.pager .is-disabled{color:var(--ink-3);opacity:.6}
.pager .pager-text{font-family:var(--font-cn)}

/* ---------- cta ---------- */
.cta-block{
  position:relative;background:var(--brand);color:#fff;overflow:hidden;border-radius:24px;
  padding:56px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
}
.cta-block::before{
  content:"";position:absolute;top:-40px;right:-40px;width:240px;height:240px;
  border:1px solid rgba(255,255,255,.14);border-radius:50%;pointer-events:none;
}
@media (max-width:900px){.cta-block{grid-template-columns:1fr;padding:38px 26px;gap:26px}}
.cta-block h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.32;letter-spacing:-.01em}
.cta-block p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.82);line-height:1.85}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form .field{flex:1 1 240px;min-width:0}
.field label{display:block;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:8px}
.field input{
  width:100%;height:48px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.1);
  color:#fff;font-size:14px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field input::placeholder{color:rgba(255,255,255,.5)}
.field input:focus{border-color:#fff;background:rgba(255,255,255,.16);box-shadow:0 0 0 2px rgba(255,106,43,.5)}
.form-note{margin-top:14px;font-size:12.5px;color:rgba(255,255,255,.6);line-height:1.7}
.cta-submit{height:48px;padding:0 26px;align-self:flex-end}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);padding:72px 0 28px;position:relative}
.site-footer::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:min(1200px,92%);height:1px;background:rgba(255,255,255,.1);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:11px;background:rgba(255,255,255,.12);color:#fff;
}
.footer-brand .brand-top{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.66)}
.footer-about{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62)}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);transition:color .2s ease}
.footer-links a:hover{color:var(--accent)}
.footer-contact{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68)}
.footer-contact b{display:block;font-weight:600;color:#fff;font-size:13px;margin-bottom:2px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

@media (max-width:1024px){
  .main-nav,.cmd-search,.quick-link{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions{margin-left:auto}
}
@media (max-width:640px){
  .header-inner{height:56px}
  .brand-sub{font-size:11px}
  .hero{padding:44px 0 62px}
  .arch-frame{display:none}
}