/* roulang page: index */
:root{
  --c-primary:#0E3B34;
  --c-primary-700:#0A2C27;
  --c-primary-300:#2F6B5F;
  --c-accent:#E2725B;
  --c-amber:#F2A65A;
  --c-jade:#4FA08B;
  --c-bg:#F7F3EA;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF3F0;
  --c-line:#E1DCCF;
  --c-ink:#14201E;
  --c-ink-2:#3D4A47;
  --c-ink-3:#6B7873;
  --shadow-1:0 1px 2px rgba(11,33,30,.05),0 8px 24px -14px rgba(11,33,30,.16);
  --shadow-2:0 2px 6px rgba(11,33,30,.06),0 18px 40px -20px rgba(11,33,30,.22);
  --r-pill:999px;
  --r-card:16px;
  --r-img:14px;
  --r-dark:24px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --w-container:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:96px;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .16s ease;}
a:hover{color:var(--c-accent);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:700;color:var(--c-ink);letter-spacing:.01em;}
h1{font-size:clamp(30px,4.4vw,44px);line-height:1.28;}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;}
h3{font-size:20px;line-height:1.5;}
p{margin:0 0 1.25em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-jade);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--w-container);margin:0 auto;padding:0 24px;}
.section{padding:104px 0;}
.section-tight{padding:76px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.section-head .lead{margin:10px 0 0;color:var(--c-ink-2);max-width:60ch;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--c-primary-300);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-amber);border-radius:2px;}
.text-link{font-size:14px;font-weight:600;color:var(--c-primary);position:relative;white-space:nowrap;}
.text-link::after{
  content:"";position:absolute;left:0;bottom:-3px;width:0;height:1px;background:var(--c-accent);
  transition:width .16s ease;
}
.text-link:hover::after{width:100%;}

/* ============ Dock navigation ============ */
.dock{position:fixed;top:16px;left:0;right:0;z-index:80;}
.dock-inner{
  width:min(1100px,92vw);margin:0 auto;height:64px;
  display:flex;align-items:center;gap:14px;padding:0 18px 0 20px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-pill);
  box-shadow:var(--shadow-1);
  transition:height .2s ease,box-shadow .2s ease;
}
.dock.is-scrolled .dock-inner{height:56px;box-shadow:var(--shadow-2);}
.brand{display:flex;flex-direction:column;gap:1px;line-height:1.15;flex-shrink:0;}
.brand strong{font-family:var(--font-serif);font-size:15px;font-weight:900;color:var(--c-primary);letter-spacing:.01em;}
.brand span{font-size:10.5px;color:var(--c-ink-3);letter-spacing:.08em;}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.dock-nav a{
  position:relative;display:block;padding:8px 11px;border-radius:var(--r-pill);
  font-size:13.5px;font-weight:500;color:var(--c-ink-2);white-space:nowrap;
  transition:color .16s ease,background .16s ease;
}
.dock-nav a:hover{color:var(--c-primary);background:var(--c-surface-2);}
.dock-nav a.active{color:var(--c-primary);font-weight:700;}
.dock-nav a.active::after{
  content:"";position:absolute;left:11px;right:11px;bottom:1px;height:2px;
  background:var(--c-jade);border-radius:2px;
}
.dock-right{display:flex;align-items:center;gap:10px;margin-left:14px;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);display:grid;place-items:center;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-primary);
  transition:background .16s ease,border-color .16s ease,color .16s ease;
}
.icon-btn:hover{background:var(--c-surface-2);color:var(--c-primary-700);}
.icon-btn svg{width:17px;height:17px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,color .16s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:#E98268;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(11,33,30,.22);}
.btn-ghost{background:var(--c-surface);color:var(--c-primary);border:1px solid var(--c-primary);}
.btn-ghost:hover{background:var(--c-surface-2);color:var(--c-primary-700);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 20px;font-size:13.5px;}
.dock .btn-sm{margin-left:2px;}
.burger{display:none;width:42px;height:42px;border-radius:var(--r-pill);border:1px solid var(--c-line);align-items:center;justify-content:center;margin-left:auto;}
.burger svg{width:18px;height:18px;color:var(--c-primary);}
.search-pop{
  position:absolute;top:calc(100% + 10px);right:calc((100% - min(1100px,92vw))/2);
  width:min(460px,92vw);padding:18px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:18px;box-shadow:var(--shadow-2);
  display:none;
}
.search-pop.is-open{display:block;}
.search-pop form{display:flex;gap:10px;}
.search-pop input{
  flex:1;height:48px;border-radius:12px;border:1px solid var(--c-line);
  padding:0 14px;background:var(--c-bg);
}
.search-pop input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px var(--c-jade);}
.mobile-panel{
  display:none;position:fixed;inset:0;z-index:75;background:var(--c-bg);
  padding:96px 20px 20px;overflow-y:auto;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a.m-link{
  display:flex;align-items:center;min-height:52px;padding:0 6px;
  border-bottom:1px solid var(--c-line);color:var(--c-ink);font-size:16px;font-weight:500;
}
.mobile-panel a.m-link.active{color:var(--c-primary);font-weight:700;}
.mobile-panel .btn{width:100%;margin-top:24px;}

/* ============ Hero ============ */
.hero{padding:8px 0 0;}
.hero-shell{
  border-radius:var(--r-dark);overflow:hidden;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-700) 100%);
  padding:64px 56px;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;max-width:1140px;margin:0 auto;}
.hero-tag{
  display:inline-block;margin-bottom:20px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(242,166,90,.16);color:var(--c-amber);
  font-size:13px;font-weight:600;letter-spacing:.06em;
}
.hero h1{color:#fff;margin-bottom:20px;}
.hero-sub{color:rgba(255,255,255,.78);font-size:16.5px;line-height:1.85;max-width:34em;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px 26px;}
.trust-row li{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.82);font-size:13.5px;}
.trust-row svg{width:15px;height:15px;color:var(--c-amber);flex-shrink:0;}
.hero-media{margin:0;position:relative;}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:20px;}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:20px;
  background:rgba(14,59,52,.18);pointer-events:none;
}

/* ============ Pain strip ============ */
.pain-grid{display:grid;grid-template-columns:3fr 9fr;gap:48px;align-items:start;}
.pain-intro h2{margin-bottom:16px;}
.pain-intro p{color:var(--c-ink-2);}
.pain-list{border-top:1px solid var(--c-line);}
.pain-item{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:26px 0;border-bottom:1px solid var(--c-line);}
.pain-num{
  width:44px;height:44px;border-radius:var(--r-pill);display:grid;place-items:center;
  background:rgba(226,114,91,.12);color:var(--c-accent);font-weight:700;font-size:15px;
  font-family:var(--font-serif);
}
.pain-item h3{margin-bottom:8px;}
.pain-item p{margin:0;color:var(--c-ink-2);max-width:56ch;}

/* ============ Solution ============ */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:88px;}
.duo:last-child{margin-bottom:0;}
.duo-media{margin:0;}
.duo-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--shadow-1);}
.duo h2{margin-bottom:16px;}
.duo p{color:var(--c-ink-2);}
.step-list{margin-top:24px;display:grid;gap:16px;}
.step{display:grid;grid-template-columns:48px 1fr;gap:16px;align-items:start;padding:16px 18px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--shadow-1);}
.step i{
  width:48px;height:48px;border-radius:var(--r-pill);display:grid;place-items:center;
  background:var(--c-primary);color:#fff;font-style:normal;font-weight:700;font-family:var(--font-serif);
}
.step h3{font-size:17px;margin-bottom:4px;font-family:var(--font-sans);font-weight:700;}
.step p{margin:0;font-size:14.5px;color:var(--c-ink-2);}
.check-list{display:grid;gap:12px;margin-top:22px;}
.check-list li{display:grid;grid-template-columns:20px 1fr;gap:12px;align-items:start;color:var(--c-ink-2);}
.check-list svg{width:18px;height:18px;color:var(--c-jade);margin-top:5px;}
.check-list strong{color:var(--c-ink);}

/* ============ Result band ============ */
.result-band{
  background:var(--c-primary);border-radius:var(--r-dark);
  padding:64px 56px;color:#fff;
}
.result-band h2{color:#fff;margin-bottom:12px;}
.result-band .lead{color:rgba(255,255,255,.74);max-width:60ch;margin-bottom:44px;}
.result-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.result-item .num{
  font-family:var(--font-serif);font-size:clamp(30px,3.4vw,42px);font-weight:900;color:#fff;
  display:inline-block;padding-bottom:6px;border-bottom:2px solid var(--c-amber);margin-bottom:14px;
}
.result-item p{margin:0;color:rgba(255,255,255,.76);font-size:14.5px;line-height:1.7;}

/* ============ Testimonials ============ */
.testi-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.testi-col{display:grid;gap:24px;align-content:start;}
.testi-col:nth-child(2){margin-top:44px;}
.testi-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:32px 28px 26px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.testi-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.testi-card::before{
  content:"“";position:absolute;top:6px;left:20px;
  font-family:var(--font-serif);font-size:56px;line-height:1;color:rgba(79,160,139,.32);
}
.testi-card blockquote{margin:18px 0 20px;font-size:15.5px;line-height:1.85;color:var(--c-ink-2);}
.testi-meta{display:flex;align-items:center;gap:12px;}
.avatar{
  width:40px;height:40px;border-radius:var(--r-pill);display:grid;place-items:center;
  background:var(--c-surface-2);color:var(--c-primary);font-weight:700;font-family:var(--font-serif);
  flex-shrink:0;
}
.testi-meta .who{font-size:14px;font-weight:600;color:var(--c-ink);}
.testi-meta .role{font-size:12.5px;color:var(--c-ink-3);}
.stars{margin-left:auto;display:flex;gap:3px;color:var(--c-amber);}
.stars svg{width:14px;height:14px;}

/* ============ News (CMS) ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .24s ease,box-shadow .24s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1;}
.badge{
  align-self:flex-start;margin-bottom:12px;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(242,166,90,.12);color:var(--c-primary);font-size:12.5px;font-weight:600;
}
.news-body h3{
  font-size:18px;line-height:1.5;margin-bottom:10px;color:var(--c-ink);font-family:var(--font-sans);font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;color:var(--c-ink-2);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--c-ink-3);
}
.news-foot .go{color:var(--c-primary);font-weight:600;white-space:nowrap;}
.empty-state{
  border:1px dashed var(--c-line);border-radius:var(--r-card);background:var(--c-surface);
  padding:56px 24px;text-align:center;
}
.empty-state svg{width:30px;height:30px;color:var(--c-jade);margin-bottom:14px;}
.empty-state p{color:var(--c-ink-2);margin-bottom:18px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  overflow:hidden;transition:background .18s ease,box-shadow .18s ease;
}
.faq-item[open]{background:var(--c-surface-2);box-shadow:inset 3px 0 0 var(--c-jade);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .fx{
  width:28px;height:28px;border-radius:var(--r-pill);flex-shrink:0;
  display:grid;place-items:center;border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-primary);font-size:16px;line-height:1;transition:transform .2s ease;
}
.faq-item[open] summary .fx{transform:rotate(45deg);}
.faq-body{padding:0 22px 20px;}
.faq-body p{margin:12px 0 0;color:var(--c-ink-2);line-height:1.9;font-size:15px;}

/* ============ CTA band ============ */
.cta-band{
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-700) 100%);
  border-radius:var(--r-dark);padding:56px;display:flex;align-items:center;
  justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.76);margin:0;max-width:46ch;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ============ Footer ============ */
.site-foot{
  margin-top:104px;background:var(--c-primary-700);color:rgba(255,255,255,.72);
  border-top:1px solid var(--c-jade);padding:64px 0 0;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand strong{
  display:block;font-family:var(--font-serif);font-size:17px;font-weight:900;color:#fff;margin-bottom:14px;
}
.foot-brand p{font-size:14px;line-height:1.9;max-width:34ch;}
.foot-brand .contact{margin-top:16px;font-size:14px;color:rgba(255,255,255,.62);}
.foot-col h4{font-size:15px;font-weight:600;color:var(--c-amber);margin-bottom:18px;font-family:var(--font-sans);}
.foot-col ul{display:grid;gap:11px;}
.foot-col a{
  font-size:14px;color:rgba(255,255,255,.72);display:inline-block;
  transition:color .16s ease,transform .16s ease;
}
.foot-col a:hover{color:var(--c-accent);transform:translateX(2px);}
.foot-col p{font-size:14px;line-height:1.9;margin:0;}
.foot-bottom{
  margin-top:56px;padding:22px 0;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);
}

/* ============ Responsive ============ */
@media (max-width:1279px){
  .hero-shell{padding:56px 40px;}
  .result-band{padding:56px 40px;}
}
@media (max-width:1023px){
  body{padding-top:88px;}
  .section{padding:76px 0;}
  .dock-nav{display:none;}
  .dock-right .icon-btn{display:none;}
  .dock .btn-sm{display:none;}
  .burger{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media img{aspect-ratio:4/3;}
  .pain-grid{grid-template-columns:1fr;gap:32px;}
  .duo{grid-template-columns:1fr;gap:32px;margin-bottom:64px;}
  .duo.reverse .duo-media{order:-1;}
  .result-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{padding-top:84px;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .hero-shell{padding:40px 22px;border-radius:20px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .trust-row{gap:8px 18px;}
  .pain-item{grid-template-columns:48px 1fr;padding:22px 0;}
  .pain-num{width:38px;height:38px;font-size:14px;}
  .result-band{padding:40px 22px;border-radius:20px;}
  .result-grid{grid-template-columns:repeat(2,1fr);gap:24px;}
  .testi-grid{grid-template-columns:1fr;}
  .testi-col:nth-child(2){margin-top:0;}
  .news-grid{grid-template-columns:1fr;}
  .cta-band{padding:40px 22px;border-radius:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;gap:8px;}
  .search-pop{right:4vw;}
}
@media (max-width:480px){
  .brand strong{font-size:13.5px;}
  .brand span{display:none;}
  .result-grid{grid-template-columns:1fr;}
}

/* roulang page: article */
:root{
  --c-primary:#0E3B34;
  --c-primary-700:#0A2C27;
  --c-primary-300:#2F6B5F;
  --c-accent:#E2725B;
  --c-amber:#F2A65A;
  --c-jade:#4FA08B;
  --c-bg:#F7F3EA;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF3F0;
  --c-line:#E1DCCF;
  --c-ink:#14201E;
  --c-ink-2:#3D4A47;
  --c-ink-3:#6B7873;
  --shadow-1:0 1px 2px rgba(11,33,30,.05), 0 8px 24px -14px rgba(11,33,30,.16);
  --shadow-2:0 2px 6px rgba(11,33,30,.06), 0 18px 40px -20px rgba(11,33,30,.22);
  --r-btn:999px;
  --r-card:16px;
  --r-img:14px;
  --r-dark:24px;
  --font-serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary-300);text-decoration:none;transition:color .16s ease;}
a:hover{color:var(--c-accent);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{font-family:var(--font-serif);margin:0;font-weight:700;color:var(--c-ink);}
p{margin:0 0 1.25em;}
:focus-visible{outline:2px solid var(--c-jade);outline-offset:2px;}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px;}

/* ---------- Dock 导航 ---------- */
.dock{position:fixed;top:16px;left:0;right:0;z-index:120;display:flex;justify-content:center;pointer-events:none;}
.dock-inner{
  pointer-events:auto;position:relative;
  width:min(1100px,92vw);height:64px;
  display:flex;align-items:center;gap:14px;
  padding:0 16px;background:#fff;
  border:1px solid var(--c-line);border-radius:999px;
  box-shadow:var(--shadow-1);
  transition:height .2s ease,box-shadow .2s ease;
}
.dock.shrink .dock-inner{height:56px;box-shadow:var(--shadow-2);}
.brand{display:flex;flex-direction:column;line-height:1.2;text-decoration:none;flex:0 0 auto;}
.brand strong{font-family:var(--font-serif);font-size:15px;color:var(--c-primary);letter-spacing:.01em;}
.brand span{font-size:11px;color:var(--c-ink-3);letter-spacing:.04em;}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.dock-nav a{
  position:relative;padding:8px 12px;border-radius:999px;
  font-size:14px;color:var(--c-ink-2);white-space:nowrap;
  transition:color .16s ease,background .16s ease;
}
.dock-nav a:hover{color:var(--c-primary);background:var(--c-surface-2);}
.dock-nav a.active{color:var(--c-primary);font-weight:600;}
.dock-nav a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;
  height:2px;background:var(--c-jade);border-radius:2px;
}
.dock-right{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  border:1px solid var(--c-line);background:#fff;color:var(--c-primary-300);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .16s ease,color .16s ease,transform .16s ease;
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{background:var(--c-surface-2);color:var(--c-primary);transform:translateY(-1px);}
.burger{
  display:none;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--c-line);background:#fff;color:var(--c-primary);
  align-items:center;justify-content:center;
}
.burger svg{width:20px;height:20px;}
.search-pop{
  position:absolute;top:calc(100% + 12px);right:0;
  width:min(420px,90vw);padding:14px;background:#fff;
  border:1px solid var(--c-line);border-radius:16px;box-shadow:var(--shadow-2);
  display:none;
}
.search-pop.open{display:block;}
.search-pop form{display:flex;gap:8px;}
.search-pop input{
  flex:1;height:48px;padding:0 14px;border:1px solid var(--c-line);
  border-radius:12px;background:#fff;color:var(--c-ink);
  font-family:inherit;font-size:15px;transition:border-color .16s ease,box-shadow .16s ease;
}
.search-pop input::placeholder{color:var(--c-ink-3);}
.search-pop input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px var(--c-jade);}
.mobile-menu{
  pointer-events:auto;position:fixed;inset:0;z-index:90;
  background:var(--c-bg);padding:96px 20px 28px;
  display:none;flex-direction:column;gap:2px;overflow:auto;
}
.mobile-menu.open{display:flex;}
.mobile-menu a{
  display:flex;align-items:center;min-height:52px;padding:0 6px;
  font-size:16px;color:var(--c-ink-2);border-bottom:1px solid var(--c-line);
}
.mobile-menu a:hover{color:var(--c-primary);}
.mobile-menu .btn{margin-top:20px;justify-content:center;width:100%;border-bottom:0;}
body.menu-open{overflow:hidden;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,color .16s ease;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:#e9836f;color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-surface-2);color:var(--c-primary);transform:translateY(-1px);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.text-link:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}

/* ---------- 页面头部 ---------- */
main{padding-top:104px;}
.page-head{padding:28px 0 0;}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;line-height:1.6;color:var(--c-ink-3);
}
.crumbs a{color:var(--c-ink-3);}
.crumbs a:hover{color:var(--c-accent);}
.crumbs .sep{color:#B7B0A0;}
.crumbs .cur{color:var(--c-ink);}
.art-head{padding:22px 0 26px;border-bottom:1px solid var(--c-line);margin-top:18px;}
.art-title{
  font-size:clamp(26px,3.4vw,38px);line-height:1.35;
  letter-spacing:.005em;margin-bottom:16px;max-width:900px;
}
.art-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--c-ink-3);
}
.art-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6BFB0;}
.art-meta .cat-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:rgba(242,166,90,.12);
  color:var(--c-primary);font-size:12.5px;font-weight:600;
}

/* ---------- 正文 ---------- */
.art-wrap{padding:48px 0 24px;}
.article-body{max-width:780px;margin:0 auto;}
.article-body p{font-size:16px;line-height:1.95;color:var(--c-ink-2);margin:0 0 1.3em;}
.article-body h2{
  position:relative;font-size:24px;line-height:1.4;color:var(--c-ink);
  margin:2.2em 0 .9em;padding-left:16px;
}
.article-body h2:first-child{margin-top:0;}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;
  width:4px;height:18px;border-radius:2px;background:var(--c-accent);
}
.article-body h3{font-size:19px;line-height:1.5;margin:1.8em 0 .7em;color:var(--c-ink);}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.3em;}
.article-body li{font-size:16px;line-height:1.9;color:var(--c-ink-2);margin:.4em 0;}
.article-body ul li::marker{color:var(--c-jade);}
.article-body ol li::marker{color:var(--c-jade);font-weight:700;}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;
  border-left:3px solid var(--c-jade);background:var(--c-surface-2);
  border-radius:0 14px 14px 0;
}
.article-body blockquote p{margin:0;color:var(--c-ink-2);}
.article-body img{border-radius:var(--r-img);margin:1.6em auto;height:auto;}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--c-primary-300);text-decoration:underline;word-break:break-word;}
.article-body a:hover{color:var(--c-accent);}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;
  font-size:15px;line-height:1.7;
}
.article-body th,.article-body td{
  padding:12px 14px;text-align:left;border-bottom:1px solid var(--c-line);
}
.article-body thead th{background:var(--c-primary);color:#fff;font-weight:600;font-size:14px;}
.article-body tbody tr:nth-child(even){background:var(--c-surface-2);}
.article-body td:first-child{font-weight:600;color:var(--c-ink);}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2.2em 0;}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:780px;margin:0 auto;padding:56px 28px;text-align:center;
  border:1px dashed var(--c-line);border-radius:var(--r-card);background:#fff;
}
.empty-state .ico{
  width:52px;height:52px;margin:0 auto 16px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-surface-2);color:var(--c-primary-300);
}
.empty-state .ico svg{width:24px;height:24px;}
.empty-state p{color:var(--c-ink-2);margin:0 0 20px;}

/* ---------- 文末 ---------- */
.art-foot{max-width:780px;margin:40px auto 0;padding-top:26px;border-top:1px solid var(--c-line);}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:999px;background:var(--c-surface-2);
  font-size:13px;color:var(--c-primary-300);border:1px solid var(--c-line);
  transition:background .16s ease,color .16s ease,transform .16s ease;
}
.tag:hover{background:rgba(242,166,90,.16);color:var(--c-primary);transform:translateY(-1px);}
.art-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;}
.share{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);}
.share button{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);
  background:#fff;color:var(--c-primary-300);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .16s ease,color .16s ease,transform .16s ease;
}
.share button svg{width:16px;height:16px;}
.share button:hover{background:var(--c-surface-2);color:var(--c-accent);transform:translateY(-1px);}

/* ---------- 相关推荐 ---------- */
.related{padding:72px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
.section-head .sub{font-size:14px;color:var(--c-ink-3);margin-top:8px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.card-thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--c-surface-2);}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1;}
.card-badge{
  align-self:flex-start;display:inline-flex;align-items:center;height:26px;
  padding:0 12px;border-radius:999px;margin-bottom:12px;
  background:rgba(242,166,90,.12);color:var(--c-primary);
  font-size:12.5px;font-weight:600;
}
.card h3{font-size:19px;line-height:1.5;margin-bottom:10px;}
.card h3 a{color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card h3 a:hover{color:var(--c-primary-300);}
.card p{
  font-size:14.5px;line-height:1.8;color:var(--c-ink-2);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--c-ink-3);
}
.card-foot .more{color:var(--c-primary-300);font-weight:600;}
.card:hover .card-foot .more{color:var(--c-accent);}

/* ---------- CTA 横带 ---------- */
.cta-band{padding:80px 0 0;}
.cta-box{
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-700) 100%);
  border-radius:var(--r-dark);padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-2);
}
.cta-box h2{color:#fff;font-size:clamp(22px,2.4vw,28px);line-height:1.4;margin-bottom:10px;}
.cta-box p{color:rgba(255,255,255,.76);font-size:15px;margin:0;max-width:56ch;}
.cta-box .btn{flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-foot{
  margin-top:96px;background:var(--c-primary-700);
  border-top:1px solid rgba(79,160,139,.5);
  color:rgba(255,255,255,.78);padding:64px 0 0;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;}
.foot-brand strong{
  display:block;font-family:var(--font-serif);font-size:18px;
  color:#fff;margin-bottom:14px;letter-spacing:.01em;
}
.foot-brand p{font-size:14px;line-height:1.85;margin:0 0 12px;color:rgba(255,255,255,.7);}
.foot-brand .contact{color:rgba(255,255,255,.6);font-size:13px;}
.foot-col h4{font-size:15px;color:var(--c-amber);margin-bottom:16px;font-weight:600;font-family:var(--font-sans);}
.foot-col ul{list-style:none;padding:0;margin:0;}
.foot-col li{margin-bottom:10px;}
.foot-col a,.foot-col p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.8;margin:0;}
.foot-col a{display:inline-block;transition:color .16s ease,transform .16s ease;}
.foot-col a:hover{color:var(--c-accent);transform:translateX(2px);}
.foot-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .dock-nav a{padding:8px 9px;font-size:13.5px;}
  .brand span{display:none;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .dock-nav{display:none;}
  .burger{display:inline-flex;}
  .dock-right .btn-sm{display:none;}
  .dock-inner{gap:10px;padding:0 12px;}
  main{padding-top:96px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .art-wrap{padding:36px 0 16px;}
  .related{padding:56px 0 0;}
  .rel-grid{grid-template-columns:1fr;gap:16px;}
  .cta-band{padding:56px 0 0;}
  .cta-box{flex-direction:column;align-items:flex-start;padding:34px 24px;gap:22px;}
  .cta-box .btn{width:100%;}
  .site-foot{margin-top:64px;padding-top:48px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .art-actions{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  body{font-size:15.5px;}
  .brand strong{font-size:13.5px;}
  .art-title{font-size:24px;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .article-body table{font-size:13.5px;}
  .article-body th,.article-body td{padding:10px 8px;}
  .search-pop{width:calc(100vw - 32px);right:-6px;}
  .search-pop form{flex-direction:column;}
  .search-pop .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E3B34;
  --c-primary-700:#0A2C27;
  --c-primary-300:#2F6B5F;
  --c-accent:#E2725B;
  --c-amber:#F2A65A;
  --c-jade:#4FA08B;
  --c-bg:#F7F3EA;
  --c-surface-2:#EEF3F0;
  --c-surface:#FFFFFF;
  --c-line:#E1DCCF;
  --ink-1:#14201E;
  --ink-2:#3D4A47;
  --ink-3:#6B7873;
  --shadow-1:0 1px 2px rgba(11,33,30,.05),0 8px 24px -14px rgba(11,33,30,.16);
  --shadow-2:0 2px 6px rgba(11,33,30,.06),0 18px 40px -20px rgba(11,33,30,.22);
  --r-card:16px;
  --r-img:14px;
  --r-pill:999px;
  --r-dark:24px;
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:96px;
  background:var(--c-bg);
  color:var(--ink-1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
}
h1,h2,h3,h4{font-family:var(--font-serif);margin:0;color:var(--ink-1);}
h1{font-size:clamp(30px,4.4vw,44px);line-height:1.28;font-weight:900;}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;}
h3{font-size:20px;line-height:1.5;font-weight:700;}
p{margin:0 0 1.25em;}
p:last-child{margin-bottom:0;}
a{color:var(--c-primary);text-decoration:none;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--c-jade);outline-offset:2px;}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;font-size:inherit;}
.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;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ Dock 导航 ============ */
.dock{
  position:fixed;top:16px;left:0;right:0;z-index:80;
  display:flex;justify-content:center;padding:0 16px;pointer-events:none;
}
.dock-inner{
  pointer-events:auto;
  width:min(1100px,92vw);
  height:64px;
  display:flex;align-items:center;gap:18px;
  padding:0 12px 0 22px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--shadow-1);
  transition:height .2s ease,box-shadow .2s ease;
}
.dock.small .dock-inner{height:56px;box-shadow:var(--shadow-2);}
.brand{display:flex;flex-direction:column;line-height:1.2;flex:0 0 auto;color:var(--c-primary);}
.brand strong{font-family:var(--font-serif);font-size:16px;font-weight:700;letter-spacing:.02em;}
.brand span{font-size:11px;color:var(--ink-3);letter-spacing:.06em;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock-nav a{
  position:relative;
  display:inline-flex;align-items:center;
  height:40px;padding:0 12px;
  font-size:14.5px;color:var(--ink-2);
  border-radius:var(--r-pill);
  transition:color .16s ease,background .16s ease;
}
.dock-nav a::after{
  content:"";position:absolute;left:50%;bottom:4px;height:2px;width:0;
  background:var(--c-jade);border-radius:2px;transform:translateX(-50%);
  transition:width .18s ease;
}
.dock-nav a:hover{color:var(--c-primary);background:var(--c-surface-2);}
.dock-nav a:hover::after{width:22px;}
.dock-nav a.active{color:var(--c-primary);font-weight:700;}
.dock-nav a.active::after{width:26px;}
.dock-right{display:flex;align-items:center;gap:10px;margin-left:8px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-primary);border:1px solid var(--c-line);background:#fff;
  transition:background .16s ease,transform .16s ease;
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{background:var(--c-surface-2);transform:translateY(-1px);}
.burger{display:none;width:40px;height:40px;border-radius:50%;align-items:center;justify-content:center;color:var(--c-primary);border:1px solid var(--c-line);}
.burger svg{width:20px;height:20px;}
.search-pop{
  position:absolute;top:74px;right:calc(50% - min(550px,46vw) + 8px);
  width:340px;padding:12px;background:#fff;border:1px solid var(--c-line);
  border-radius:18px;box-shadow:var(--shadow-2);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
}
.search-pop.show{opacity:1;visibility:visible;transform:translateY(0);}
.search-pop form{display:flex;gap:8px;}
.search-pop input{
  flex:1;height:44px;padding:0 14px;border:1px solid var(--c-line);
  border-radius:12px;background:#fff;color:var(--ink-1);
}
.search-pop input::placeholder{color:var(--ink-3);}
.search-pop input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px var(--c-jade);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,color .16s ease,filter .16s ease;
}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 1px 2px rgba(11,33,30,.08);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.14);}
.btn-ghost{background:#fff;color:var(--c-primary);border:1px solid var(--c-primary);}
.btn-ghost:hover{background:var(--c-surface-2);}
.btn-ghost.on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.12);}
.link-more{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;}
.link-more::after{content:"";display:block;width:0;height:1px;background:currentColor;transition:width .16s ease;}
.link-more:hover::after{width:100%;}

/* ============ 通用标签 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(242,166,90,.16);color:var(--c-primary);
  font-size:13px;font-weight:600;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--c-primary-300);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-amber);border-radius:2px;}

/* ============ 分类页首屏 ============ */
.page-hero{padding:24px 0 8px;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero-copy .eyebrow{margin-bottom:16px;}
.hero-copy h1{margin-bottom:18px;}
.lead{color:var(--ink-2);font-size:17px;max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 32px;}
.trust-row{display:flex;flex-wrap:wrap;gap:12px 26px;}
.trust-row li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);}
.trust-row li::before{
  content:"";width:8px;height:8px;border-radius:50%;
  background:var(--c-amber);flex:0 0 auto;
}
.hero-figure{
  margin:0;border-radius:20px;overflow:hidden;position:relative;
  box-shadow:var(--shadow-2);background:var(--c-primary);
  aspect-ratio:16/11;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{content:"";position:absolute;inset:0;background:rgba(14,59,52,.18);}
.hero-figure figcaption{
  position:absolute;left:16px;right:16px;bottom:14px;z-index:2;
  font-size:13px;color:rgba(255,255,255,.86);
}

/* ============ 访问路径条带 ============ */
.paths{padding:56px 0 8px;}
.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.path-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.path-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.path-item .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  background:rgba(226,114,91,.12);color:var(--c-accent);
  font-family:var(--font-serif);font-weight:700;font-size:16px;
  margin-bottom:16px;
}
.path-item h3{margin-bottom:10px;font-size:19px;}
.path-item p{font-size:14.5px;color:var(--ink-2);margin:0;}

/* ============ 主体：左图文 + 右粘性目录 ============ */
.content-wrap{padding:64px 0 0;}
.layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:32px;align-items:start;}
.section-head{margin-bottom:28px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--ink-2);max-width:620px;}
.block{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;margin-bottom:28px;
  scroll-margin-top:120px;
}
.block-media{aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2);}
.block-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.block:hover .block-media img{transform:scale(1.03);}
.block-body{padding:30px 32px 34px;}
.block-body h2{font-size:22px;margin-bottom:14px;}
.block-body p{color:var(--ink-2);max-width:640px;}
.point-list{margin-top:22px;display:grid;gap:12px;}
.point-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 16px;background:var(--c-surface-2);border-radius:12px;
  font-size:14.5px;color:var(--ink-2);
}
.point-list li::before{
  content:"";flex:0 0 auto;width:16px;height:16px;margin-top:4px;
  border-radius:5px;background:var(--c-jade);
  clip-path:polygon(14% 46%,0 62%,38% 100%,100% 22%,84% 6%,36% 66%);
}
.block-meta{
  display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;
  margin-top:24px;padding-top:18px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--ink-3);
}

/* 侧栏 */
.side-col{position:sticky;top:100px;display:grid;gap:20px;}
.side-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:17px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--c-line);}
.toc-list{display:grid;gap:2px;}
.toc-list a{
  display:flex;gap:10px;align-items:baseline;
  padding:10px 8px;border-radius:10px;
  font-size:14px;color:var(--ink-2);
  transition:background .16s ease,color .16s ease,padding-left .16s ease;
}
.toc-list a span{font-size:12px;color:var(--c-amber);font-weight:700;font-family:var(--font-serif);}
.toc-list a:hover{background:var(--c-surface-2);color:var(--c-primary);padding-left:14px;}
.side-note{font-size:14px;color:var(--ink-2);}
.side-note strong{display:block;color:var(--ink-1);font-size:15px;margin-bottom:8px;}
.side-cta{background:var(--c-primary);border-color:transparent;color:#fff;}
.side-cta h3{color:#fff;border-bottom-color:rgba(255,255,255,.18);font-size:17px;}
.side-cta p{font-size:14px;color:rgba(255,255,255,.78);margin-bottom:18px;}
.side-cta .btn{width:100%;}

/* ============ FAQ ============ */
.faq{padding:88px 0 0;}
.faq .container{max-width:868px;}
.faq-list{display:grid;gap:14px;margin-top:32px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:14px;
  overflow:hidden;transition:background .18s ease,border-color .18s ease;
}
.faq-item[open]{background:var(--c-surface-2);border-left:3px solid var(--c-jade);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--ink-1);
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--c-line);color:var(--c-primary);
  font-size:16px;font-weight:600;transition:transform .2s ease,background .2s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);background:var(--c-jade);color:#fff;border-color:var(--c-jade);}
.faq-answer{padding:0 24px 22px;color:var(--ink-2);font-size:15px;line-height:1.9;}

/* ============ 底部 CTA ============ */
.cta-band{padding:88px 0 96px;}
.cta-box{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:linear-gradient(120deg,var(--c-primary-700),var(--c-primary));
  border-radius:var(--r-dark);padding:48px 52px;color:#fff;
  box-shadow:var(--shadow-2);
}
.cta-box h2{color:#fff;margin-bottom:10px;font-size:clamp(22px,2.4vw,28px);}
.cta-box p{color:rgba(255,255,255,.76);font-size:15px;margin:0;max-width:44em;}
.cta-box .actions{display:flex;gap:14px;flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-foot{
  background:var(--c-primary-700);
  border-top:1px solid rgba(79,160,139,.5);
  color:rgba(255,255,255,.78);
  padding:72px 0 28px;
  margin-top:0;
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;}
.foot-brand strong{
  display:block;font-family:var(--font-serif);font-size:18px;color:#fff;
  margin-bottom:14px;letter-spacing:.02em;
}
.foot-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);}
.foot-brand .contact{color:var(--c-amber);font-size:14px;margin-top:12px;}
.foot-col h4{
  font-size:15px;font-weight:600;color:var(--c-amber);
  margin-bottom:16px;font-family:var(--font-sans);
}
.foot-col ul{display:grid;gap:10px;}
.foot-col a{
  font-size:14px;color:rgba(255,255,255,.72);
  transition:color .16s ease,transform .16s ease;
  display:inline-block;
}
.foot-col a:hover{color:var(--c-accent);transform:translateX(2px);}
.foot-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);margin:0;}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:52px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .search-pop{right:16px;}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-figure{aspect-ratio:16/9;}
  .path-grid{grid-template-columns:1fr 1fr;}
  .layout{grid-template-columns:1fr;gap:28px;}
  .side-col{position:static;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  body{padding-top:88px;}
  .dock-inner{padding:0 10px 0 16px;gap:10px;}
  .dock-nav{
    position:fixed;left:16px;right:16px;top:88px;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border:1px solid var(--c-line);border-radius:20px;
    box-shadow:var(--shadow-2);padding:8px;margin:0;max-height:70vh;overflow:auto;
  }
  .dock.open .dock-nav{display:flex;}
  .dock-nav a{
    height:52px;padding:0 16px;border-radius:12px;
    border-bottom:1px solid var(--c-line);font-size:15px;
  }
  .dock-nav a:last-child{border-bottom:0;}
  .dock-nav a::after{display:none;}
  .dock-nav a.active{background:var(--c-surface-2);}
  .burger{display:inline-flex;}
  .dock-right .btn-primary{display:none;}
  .search-pop{
    left:16px;right:16px;top:88px;width:auto;
  }
}
@media (max-width:768px){
  body{padding-top:84px;}
  .container{padding:0 16px;}
  .page-hero{padding:12px 0 0;}
  .hero-figure{aspect-ratio:4/3;}
  .trust-row{gap:10px 18px;}
  .paths{padding:40px 0 0;}
  .path-grid{grid-template-columns:1fr;}
  .content-wrap{padding:44px 0 0;}
  .block-body{padding:22px 20px 26px;}
  .faq{padding:64px 0 0;}
  .faq-item summary{padding:16px 18px;font-size:16px;}
  .faq-answer{padding:0 18px 18px;}
  .cta-band{padding:64px 0 72px;}
  .cta-box{flex-direction:column;align-items:flex-start;padding:34px 26px;border-radius:20px;}
  .cta-box .actions{width:100%;flex-direction:column;}
  .cta-box .actions .btn{width:100%;}
  .site-foot{padding:52px 0 24px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .foot-brand{grid-column:1 / -1;}
  .foot-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .brand span{display:none;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .path-item{padding:22px 18px;}
  .side-card{padding:20px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#0E3B34;
  --c-primary-700:#0A2C27;
  --c-primary-300:#2F6B5F;
  --c-accent:#E2725B;
  --c-amber:#F2A65A;
  --c-jade:#4FA08B;
  --c-bg:#F7F3EA;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF3F0;
  --c-line:#E1DCCF;
  --c-ink:#14201E;
  --c-ink-2:#3D4A47;
  --c-ink-3:#6B7873;
  --shadow-1:0 1px 2px rgba(11,33,30,.05), 0 8px 24px -14px rgba(11,33,30,.16);
  --shadow-2:0 2px 6px rgba(11,33,30,.06), 0 18px 40px -20px rgba(11,33,30,.22);
  --r-pill:999px;
  --r-card:16px;
  --r-img:14px;
  --r-dark:24px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  padding-top:96px;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,background-color .18s ease;}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--font-serif);margin:0;letter-spacing:0;}
p{margin:0 0 1.25em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-jade);outline-offset:2px;}
.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;}

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

/* ============ Dock 导航 ============ */
.dock{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:60;
  display:flex;
  justify-content:center;
  pointer-events:none;
}
.dock-inner{
  pointer-events:auto;
  position:relative;
  width:min(1100px,92vw);
  height:64px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:0 14px 0 22px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--shadow-1);
  transition:height .2s ease,box-shadow .2s ease;
}
.dock.shrink .dock-inner{height:56px;box-shadow:var(--shadow-2);}
.brand{display:flex;flex-direction:column;justify-content:center;line-height:1.2;flex:0 0 auto;}
.brand strong{font-family:var(--font-serif);font-weight:900;font-size:16px;color:var(--c-primary);letter-spacing:.01em;}
.brand span{font-size:11px;color:var(--c-ink-3);letter-spacing:.06em;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;min-width:0;}
.dock-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 13px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:500;
  color:var(--c-ink-2);
  white-space:nowrap;
  transition:color .18s ease,background-color .18s ease;
}
.dock-nav a:hover{color:var(--c-primary);background:var(--c-surface-2);}
.dock-nav a.active{color:var(--c-primary);font-weight:700;}
.dock-nav a.active::after{
  content:"";
  position:absolute;
  left:13px;right:13px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--c-jade);
}
.dock-right{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;
  display:grid;place-items:center;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  border-radius:var(--r-pill);
  color:var(--c-primary);
  cursor:pointer;
  transition:background-color .18s ease,border-color .18s ease,transform .18s ease;
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{background:var(--c-surface-2);transform:translateY(-1px);}
.burger{display:none;width:38px;height:38px;place-items:center;border:1px solid var(--c-line);background:var(--c-surface);border-radius:var(--r-pill);color:var(--c-primary);cursor:pointer;}
.burger svg{width:20px;height:20px;}
.search-pop{
  position:absolute;
  top:calc(100% + 10px);
  right:0;
  width:min(420px,86vw);
  padding:14px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-2);
  opacity:0;
  visibility:hidden;
  transform:translateY(-6px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
}
.search-pop.open{opacity:1;visibility:visible;transform:translateY(0);}
.search-pop form{display:flex;gap:8px;}
.search-pop input{
  flex:1 1 auto;
  min-width:0;
  height:48px;
  padding:0 14px;
  border:1px solid var(--c-line);
  border-radius:12px;
  background:var(--c-bg);
  font-size:14px;
  color:var(--c-ink);
  font-family:inherit;
}
.search-pop input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(79,160,139,.45);}
.search-pop input::placeholder{color:var(--c-ink-3);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:#e8836e;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.16);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-surface-2);color:var(--c-primary);}
.btn-light{background:#fff;color:var(--c-primary);border-color:rgba(255,255,255,.6);}
.btn-light:hover{background:var(--c-surface-2);color:var(--c-primary-700);}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-line:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin-bottom:18px;
}
.crumb a{color:rgba(255,255,255,.72);}
.crumb a:hover{color:var(--c-amber);}
.crumb .sep{opacity:.5;}
.crumb .now{color:#fff;font-weight:500;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  overflow:hidden;
  background:var(--c-primary);
  border-radius:var(--r-dark);
  margin:0 0 88px;
}
.cat-hero-bg{
  position:absolute;
  inset:0;
  background-position:center;
  background-size:cover;
  background-repeat:no-repeat;
  opacity:.32;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(10,44,39,.95) 0%,rgba(14,59,52,.86) 46%,rgba(47,107,95,.62) 100%);
}
.cat-hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:56px;
  align-items:center;
  padding-top:72px;
  padding-bottom:72px;
}
.cat-hero-text{color:#fff;max-width:640px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(242,166,90,.16);
  border:1px solid rgba(242,166,90,.42);
  color:var(--c-amber);
  font-size:12.5px;
  letter-spacing:.05em;
  margin-bottom:20px;
}
.cat-hero h1{
  font-size:clamp(30px,4.4vw,44px);
  line-height:1.28;
  font-weight:900;
  color:#fff;
  margin-bottom:20px;
}
.cat-hero .lead{
  font-size:16.5px;
  line-height:1.9;
  color:rgba(255,255,255,.84);
  max-width:38em;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cat-hero-media{
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow-2);
  position:relative;
}
.cat-hero-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
}
.cat-hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(14,59,52,.18);
}

/* ============ 板块通用 ============ */
.section{padding-bottom:96px;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.35;
  font-weight:700;
  color:var(--c-primary);
  margin-bottom:14px;
  position:relative;
  padding-left:18px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.28em;
  width:5px;height:.92em;
  border-radius:3px;
  background:var(--c-accent);
}
.section-head p{color:var(--c-ink-2);font-size:15.5px;max-width:38em;}

/* ============ 时间序列 ============ */
.timeline{position:relative;}
.timeline::before{
  content:"";
  position:absolute;
  left:50%;
  top:10px;
  bottom:36px;
  width:2px;
  transform:translateX(-1px);
  background:linear-gradient(180deg,rgba(79,160,139,0) 0%,rgba(79,160,139,.55) 12%,rgba(226,114,91,.4) 88%,rgba(226,114,91,0) 100%);
}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:1fr 1fr;
  column-gap:88px;
  padding-bottom:56px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:absolute;
  left:50%;
  top:10px;
  transform:translateX(-50%);
  width:48px;height:48px;
  border-radius:var(--r-pill);
  background:var(--c-surface);
  border:2px solid var(--c-jade);
  color:var(--c-primary);
  display:grid;
  place-items:center;
  font-family:var(--font-serif);
  font-weight:900;
  font-size:15px;
  box-shadow:var(--shadow-1);
  z-index:3;
}
.tl-card{
  grid-column:1;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease;
}
.tl-item:nth-child(even) .tl-card{grid-column:2;}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.tl-media{overflow:hidden;background:var(--c-surface-2);}
.tl-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .24s ease;
}
.tl-card:hover .tl-media img{transform:scale(1.03);}
.tl-body{padding:24px 26px 26px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(242,166,90,.16);
  color:var(--c-primary);
  font-size:12.5px;
  font-weight:500;
  letter-spacing:.03em;
  margin-bottom:14px;
}
.tl-body h3{
  font-size:20px;
  line-height:1.5;
  font-weight:700;
  color:var(--c-ink);
  margin-bottom:10px;
}
.tl-body p{color:var(--c-ink-2);font-size:15.5px;margin-bottom:16px;}
.tl-points{display:grid;gap:8px;border-top:1px solid var(--c-line);padding-top:16px;}
.tl-points li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  color:var(--c-ink-3);
  line-height:1.7;
}
.tl-points li::before{
  content:"";
  position:absolute;
  left:2px;top:.62em;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--c-jade);
}

/* ============ 状态标签说明 ============ */
.state-wrap{margin-top:24px;}
.state-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.state-item{
  display:flex;
  gap:16px;
  align-items:flex-start;
  padding:26px 28px;
  border-bottom:1px solid var(--c-line);
}
.state-item:nth-child(odd){border-right:1px solid var(--c-line);}
.state-item:nth-last-child(-n+2){border-bottom:0;}
.state-badge{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  white-space:nowrap;
}
.badge-amber{background:rgba(242,166,90,.2);color:#8a4d16;}
.badge-jade{background:rgba(79,160,139,.18);color:#1f5b4c;}
.badge-line{background:var(--c-surface-2);color:var(--c-ink-3);}
.badge-accent{background:rgba(226,114,91,.16);color:#8c3826;}
.state-item h3{font-size:17px;font-weight:700;margin-bottom:6px;color:var(--c-ink);}
.state-item p{font-size:14.5px;color:var(--c-ink-2);margin:0;line-height:1.8;}

/* ============ FAQ ============ */
.faq-list{max-width:820px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:14px;
  overflow:hidden;
  transition:background-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{background:var(--c-surface-2);box-shadow:var(--shadow-1);}
.faq-item.open{border-left:3px solid var(--c-jade);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--c-ink);
  cursor:pointer;
  line-height:1.6;
}
.faq-icon{
  flex:0 0 auto;
  width:28px;height:28px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-primary);
  display:grid;
  place-items:center;
  font-size:16px;
  line-height:1;
  transition:transform .2s ease,background-color .2s ease;
}
.faq-item.open .faq-icon{background:var(--c-jade);color:#fff;border-color:var(--c-jade);transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s ease;
}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--c-ink-2);}
.faq-item.open .faq-a{max-height:420px;}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(120deg,var(--c-primary-700),var(--c-primary) 62%,var(--c-primary-300));
  border-radius:var(--r-dark);
  padding:48px 52px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  color:#fff;
  box-shadow:var(--shadow-2);
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);line-height:1.4;margin-bottom:10px;color:#fff;}
.cta-band p{color:rgba(255,255,255,.8);font-size:15px;max-width:36em;margin:0;}
.cta-band .btn{flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-foot{
  margin-top:96px;
  background:var(--c-primary-700);
  border-top:1px solid rgba(79,160,139,.5);
  color:rgba(255,255,255,.78);
  padding:64px 0 0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:48px;
}
.foot-brand strong{
  display:block;
  font-family:var(--font-serif);
  font-weight:900;
  font-size:18px;
  color:#fff;
  margin-bottom:14px;
}
.foot-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);margin-bottom:12px;}
.foot-brand .contact{color:var(--c-amber);font-size:13.5px;letter-spacing:.02em;}
.foot-col h4{font-family:var(--font-sans);font-size:15px;font-weight:600;color:var(--c-amber);margin-bottom:16px;}
.foot-col ul{display:grid;gap:10px;}
.foot-col a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color .18s ease,transform .18s ease;}
.foot-col a:hover{color:var(--c-accent);transform:translateX(2px);}
.foot-col p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .cat-hero-inner{grid-template-columns:1fr;gap:36px;padding-top:56px;padding-bottom:56px;}
  .cat-hero-media{max-width:560px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{padding-top:88px;}
  .container{padding:0 16px;}
  .dock-nav{display:none;}
  .dock-right .btn-sm{display:none;}
  .burger{display:grid;}
  .dock-inner{padding:0 12px 0 18px;height:60px;}
  .dock.open .dock-nav{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    position:fixed;
    top:0;left:0;right:0;bottom:0;
    margin:0;
    padding:96px 20px 120px;
    background:var(--c-bg);
    z-index:70;
    overflow-y:auto;
  }
  .dock.open .dock-nav a{
    height:52px;
    padding:0 6px;
    border-radius:0;
    border-bottom:1px solid var(--c-line);
    font-size:16px;
  }
  .dock.open .dock-nav a.active::after{left:6px;right:auto;width:26px;bottom:12px;}
  .dock.open .dock-right{position:relative;z-index:80;}
  .dock.open .dock-inner{background:transparent;border-color:transparent;box-shadow:none;}
  .dock.open .brand strong{color:var(--c-primary);}
  .section{padding-bottom:56px;}
  .cat-hero{border-radius:18px;margin-bottom:56px;}
  .cat-hero h1{font-size:clamp(26px,7vw,32px);}
  .cat-hero .lead{font-size:15.5px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .timeline::before{left:22px;}
  .tl-item{grid-template-columns:1fr;column-gap:0;padding-bottom:32px;padding-left:62px;}
  .tl-item:nth-child(even) .tl-card{grid-column:1;}
  .tl-node{left:22px;top:6px;width:44px;height:44px;font-size:14px;}
  .tl-body{padding:20px 20px 22px;}
  .state-grid{grid-template-columns:1fr;}
  .state-item{border-right:0 !important;border-bottom:1px solid var(--c-line);}
  .state-item:last-child{border-bottom:0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 26px;}
  .cta-band .btn{width:100%;}
  .site-foot{margin-top:64px;padding-top:48px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .foot-bottom{flex-direction:column;}
  .faq-q{font-size:16px;padding:18px;}
  .faq-item.open .faq-a{max-height:600px;}
}
@media (max-width:520px){
  .brand strong{font-size:14.5px;}
  .brand span{font-size:10.5px;}
  .search-pop form{flex-direction:column;}
  .search-pop form .btn{width:100%;}
  .tl-points li{font-size:13.5px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#0E3B34;
  --c-primary-700:#0A2C27;
  --c-primary-300:#2F6B5F;
  --c-accent:#E2725B;
  --c-amber:#F2A65A;
  --c-jade:#4FA08B;
  --c-bg:#F7F3EA;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF3F0;
  --c-line:#E1DCCF;
  --c-ink:#14201E;
  --c-ink-2:#3D4A47;
  --c-ink-3:#6B7873;
  --line-dark:rgba(255,255,255,.14);
  --shadow-1:0 1px 2px rgba(11,33,30,.05),0 8px 24px -14px rgba(11,33,30,.16);
  --shadow-2:0 2px 6px rgba(11,33,30,.06),0 18px 40px -20px rgba(11,33,30,.22);
  --r-pill:999px;
  --r-card:16px;
  --r-img:14px;
  --r-dark:24px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:700;color:var(--c-ink)}
p{margin:0}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--c-jade);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.container{width:min(1200px,100% - 48px);margin-inline:auto}
@media (max-width:768px){.container{width:min(1200px,100% - 32px)}}

/* ---------- Dock 导航 ---------- */
.dock{position:fixed;top:0;left:0;right:0;z-index:90;padding:16px 16px 0}
.dock-inner{
  position:relative;
  width:min(1100px,92vw);
  margin-inline:auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:0 12px 0 22px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--shadow-1);
  transition:height .2s ease,box-shadow .2s ease;
}
.dock.is-scrolled .dock-inner{height:56px;box-shadow:var(--shadow-2)}
.brand{display:flex;flex-direction:column;line-height:1.2;gap:1px;flex:0 0 auto}
.brand strong{font-family:var(--serif);font-size:15px;font-weight:900;color:var(--c-primary);letter-spacing:.01em}
.brand span{font-size:11px;color:var(--c-ink-3);letter-spacing:.04em}
.dock-nav{display:flex;align-items:center;gap:2px;margin-inline:auto}
.dock-nav a{
  position:relative;
  padding:9px 13px;
  border-radius:var(--r-pill);
  font-size:14px;
  color:var(--c-ink-2);
  transition:color .16s ease,background .16s ease;
  white-space:nowrap;
}
.dock-nav a:hover{color:var(--c-primary);background:var(--c-surface-2)}
.dock-nav a.active{color:var(--c-primary);font-weight:700}
.dock-nav a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;background:var(--c-jade);
}
.dock-nav .dock-mobile-cta{display:none}
.dock-right{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;
  border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-primary);transition:background .16s ease,transform .16s ease;
}
.icon-btn:hover{background:var(--c-surface-2);transform:translateY(-1px)}
.icon-btn svg{width:18px;height:18px}
.burger{display:none;width:38px;height:38px;place-items:center;border-radius:var(--r-pill);border:1px solid var(--c-line);color:var(--c-primary)}
.burger svg{width:20px;height:20px}
.search-pop{
  position:absolute;top:calc(100% + 10px);right:6px;
  width:min(380px,86vw);
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-2);padding:12px;display:none;
}
.search-pop.open{display:block}
.search-pop form{display:flex;gap:8px}
.search-pop input{
  flex:1;height:44px;border-radius:12px;border:1px solid var(--c-line);background:var(--c-surface);
  padding:0 14px;font-size:14px;transition:border-color .16s ease,box-shadow .16s ease;
}
.search-pop input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px var(--c-jade)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,color .16s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:#e9816b;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.16)}
.btn-ghost{background:var(--c-surface);color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-surface-2);transform:translateY(-1px)}
.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-light:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);
  position:relative;
}
.link-arrow::after{
  content:"";position:absolute;left:0;right:22px;bottom:-3px;height:1px;background:var(--c-jade);
  transform:scaleX(0);transform-origin:left;transition:transform .16s ease;
}
.link-arrow:hover{color:var(--c-accent)}
.link-arrow:hover::after{transform:scaleX(1);background:var(--c-accent)}

/* ---------- 顶部留白与面包屑 ---------- */
.top-gap{padding-top:104px}
.crumb{font-size:13px;color:var(--c-ink-3);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{opacity:.6}
.crumb .now{color:var(--c-ink-2)}

/* ---------- Hero ---------- */
.hero{padding:18px 0 0}
.hero-card{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-700) 100%);
  border-radius:var(--r-dark);
  padding:56px;
  display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;
  color:#fff;
}
.hero-card::before{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,166,90,.24),transparent 68%);
}
.hero-card::after{
  content:"";position:absolute;width:320px;height:320px;left:-120px;bottom:-170px;border-radius:50%;
  background:radial-gradient(circle,rgba(79,160,139,.28),transparent 70%);
}
.hero-copy{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(242,166,90,.16);border:1px solid rgba(242,166,90,.36);
  color:#F6D3AE;font-size:13px;letter-spacing:.06em;
}
.hero h1{
  margin:20px 0 18px;
  font-size:clamp(30px,4.4vw,44px);
  line-height:1.28;font-weight:900;color:#fff;letter-spacing:.01em;
}
.hero-lead{max-width:38ch;color:rgba(255,255,255,.8);font-size:16.5px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line-dark)}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.82)}
.hero-trust li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-amber);flex:0 0 auto}
.hero-figure{position:relative;z-index:2;border-radius:20px;overflow:hidden;aspect-ratio:16/11}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;background:rgba(14,59,52,.18)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0 0}
.section:last-of-type{padding-bottom:96px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-title{position:relative;padding-left:16px;font-size:clamp(24px,2.6vw,32px);line-height:1.35}
.sec-title::before{content:"";position:absolute;left:0;top:.2em;width:4px;height:1em;border-radius:2px;background:var(--c-accent)}
.sec-desc{max-width:46ch;color:var(--c-ink-2);font-size:15.5px;margin-top:12px}
.sec-sub{font-size:14px;color:var(--c-ink-3)}

/* ---------- 瀑布卡片 ---------- */
.waterfall{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:start}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.card-media{overflow:hidden;aspect-ratio:16/10;background:var(--c-surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:26px}
.card-body h3{font-size:20px;line-height:1.5;margin-bottom:10px}
.card-body p{color:var(--c-ink-2);font-size:15.5px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(242,166,90,.12);color:var(--c-primary);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.card-head{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line);
}
.meta{font-size:13px;color:var(--c-ink-3)}
.card-wide{grid-column:span 2;display:grid;grid-template-columns:1.05fr .95fr}
.card-wide .card-media{aspect-ratio:auto;height:100%;min-height:300px}
.card-wide .card-body{padding:38px}
.card-wide .card-body h3{font-size:24px}
.point-list{margin-top:18px;display:grid;gap:10px}
.point-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--c-ink-2)}
.point-list li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--c-jade)}

/* ---------- 四步流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow-1);transition:transform .24s ease,box-shadow .24s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.step-num{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:rgba(226,114,91,.12);color:var(--c-accent);
  font-family:var(--serif);font-size:17px;font-weight:700;margin-bottom:16px;
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--c-ink-2)}

/* ---------- 深色自查清单 ---------- */
.dark-band{
  position:relative;overflow:hidden;
  background:var(--c-primary);
  background-image:linear-gradient(135deg,rgba(14,59,52,.94),rgba(10,44,39,.96)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  border-radius:var(--r-dark);padding:56px;color:#fff;
}
.dark-band h2{color:#fff;font-size:clamp(24px,2.6vw,32px);margin-bottom:14px}
.dark-band .band-lead{color:rgba(255,255,255,.78);max-width:52ch;font-size:15.5px}
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 32px;margin-top:34px}
.check-list li{
  position:relative;padding-left:32px;font-size:15.5px;color:rgba(255,255,255,.88);
  padding-bottom:16px;border-bottom:1px solid var(--line-dark);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.35em;width:18px;height:18px;border-radius:50%;
  border:1.5px solid var(--c-jade);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:.62em;width:8px;height:4px;
  border-left:2px solid var(--c-jade);border-bottom:2px solid var(--c-jade);transform:rotate(-45deg);
}

/* ---------- 提示条目 ---------- */
.tips{border-top:1px solid var(--c-line)}
.tip-row{
  display:grid;grid-template-columns:250px 1fr;gap:28px;align-items:start;
  padding:24px 0;border-bottom:1px solid var(--c-line);
  transition:background .16s ease;
}
.tip-row:hover{background:rgba(238,243,240,.7)}
.tip-row h3{font-size:17px;color:var(--c-primary)}
.tip-row p{font-size:15px;color:var(--c-ink-2)}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin-inline:auto}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-left:3px solid transparent;
  border-radius:var(--r-img);margin-bottom:12px;overflow:hidden;transition:background .2s ease,border-color .2s ease;
}
.faq-item.open{background:var(--c-surface-2);border-left-color:var(--c-jade)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--c-line);background:var(--c-surface);
  display:grid;place-items:center;color:var(--c-primary);font-size:15px;line-height:1;transition:transform .2s ease;
}
.faq-item.open .faq-ico{background:var(--c-jade);color:#fff;border-color:var(--c-jade);transform:rotate(180deg)}
.faq-a{display:none;padding:0 22px 20px;color:var(--c-ink-2);font-size:15px;line-height:1.9}
.faq-item.open .faq-a{display:block;padding-top:12px}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:var(--c-primary-700);border-radius:var(--r-dark);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:28px;color:#fff;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,28px);line-height:1.4;margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.76);font-size:15px;max-width:48ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-foot{
  margin-top:96px;padding:64px 0 28px;
  background:var(--c-primary-700);color:#fff;border-top:1px solid var(--c-jade);
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.foot-brand strong{font-family:var(--serif);font-size:18px;color:#fff;display:block;margin-bottom:14px}
.foot-brand p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.85}
.foot-brand .contact{margin-top:12px;color:rgba(255,255,255,.6);font-size:13.5px}
.foot-col h4{color:var(--c-amber);font-size:15px;font-weight:600;margin-bottom:16px}
.foot-col ul{display:grid;gap:10px}
.foot-col a{color:rgba(255,255,255,.72);font-size:14px;display:inline-block;transition:color .16s ease,transform .16s ease}
.foot-col a:hover{color:var(--c-accent);transform:translateX(2px)}
.foot-col p{color:rgba(255,255,255,.66);font-size:13.5px;line-height:1.85}
.foot-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-dark);
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-card{padding:48px;gap:36px}
}
@media (max-width:1024px){
  .section{padding-top:72px}
  .section:last-of-type{padding-bottom:72px}
  .hero-card{grid-template-columns:1fr;padding:40px}
  .hero-figure{aspect-ratio:16/9;order:-1}
  .hero-lead{max-width:none}
  .dark-band{padding:40px}
  .cta-band{padding:36px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .dock-nav{
    position:fixed;inset:0;display:none;flex-direction:column;align-items:stretch;
    padding:112px 24px 28px;margin:0;background:var(--c-bg);gap:0;z-index:95;
  }
  .dock.is-open .dock-nav{display:flex}
  .dock-nav a{
    padding:0;height:52px;display:flex;align-items:center;border-bottom:1px solid var(--c-line);
    border-radius:0;font-size:16px;
  }
  .dock-nav a:hover{background:transparent}
  .dock-nav a.active::after{display:none}
  .dock-nav .dock-mobile-cta{
    display:inline-flex;margin-top:24px;height:48px;justify-content:center;
    border-bottom:0;background:var(--c-accent);color:#fff;border-radius:var(--r-pill);font-weight:600;
  }
  .burger{display:grid}
  .dock-right .btn-primary{display:none}
  .top-gap{padding-top:92px}
}
@media (max-width:768px){
  .section{padding-top:56px}
  .section:last-of-type{padding-bottom:56px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:28px}
  .waterfall{grid-template-columns:1fr;gap:16px}
  .card-wide{grid-column:span 1;grid-template-columns:1fr}
  .card-wide .card-media{aspect-ratio:16/10;min-height:0}
  .card-wide .card-body{padding:26px}
  .card-wide .card-body h3{font-size:21px}
  .check-list{grid-template-columns:1fr}
  .tip-row{grid-template-columns:1fr;gap:8px;padding:20px 0}
  .dark-band{padding:30px 24px;border-radius:20px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 26px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .foot-grid{grid-template-columns:1fr 1fr}
  .site-foot{padding:48px 0 24px;margin-top:64px}
}
@media (max-width:520px){
  .hero-card{padding:28px 22px;border-radius:20px}
  .hero-trust{gap:8px 18px}
  .steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column}
  .btn{height:46px;padding:0 22px;font-size:14.5px}
}

/* roulang page: category4 */
:root{
  --c-primary:#0E3B34;
  --c-primary-700:#0A2C27;
  --c-primary-300:#2F6B5F;
  --c-accent:#E2725B;
  --c-amber:#F2A65A;
  --c-jade:#4FA08B;
  --c-bg:#F7F3EA;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF3F0;
  --c-line:#E1DCCF;
  --c-line-dark:rgba(255,255,255,.14);
  --c-ink:#14201E;
  --c-ink-2:#3D4A47;
  --c-ink-3:#6B7873;
  --shadow-1:0 1px 2px rgba(11,33,30,.05),0 8px 24px -14px rgba(11,33,30,.16);
  --shadow-2:0 2px 6px rgba(11,33,30,.06),0 18px 40px -20px rgba(11,33,30,.22);
  --r-pill:999px;
  --r-card:16px;
  --r-img:14px;
  --r-dark:24px;
  --w:1200px;
  --pad:24px;
  --sect-y:104px;
  --f-serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --f-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--f-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;}
input,select,textarea{font:inherit;}
p{margin:0 0 1.25em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;font-family:var(--f-serif);font-weight:700;color:var(--c-ink);}
ul,ol{margin:0;padding:0;list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-jade);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;}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 var(--pad);}

/* ---------- 浮动 Dock 导航 ---------- */
.dock{
  position:fixed;top:16px;left:0;right:0;z-index:60;
  display:flex;justify-content:center;pointer-events:none;
}
.dock-inner{
  pointer-events:auto;position:relative;
  width:min(1100px,92vw);height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 12px 0 20px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--shadow-1);
  transition:height .2s ease,box-shadow .2s ease;
}
.dock.is-scrolled .dock-inner{height:56px;box-shadow:var(--shadow-2);}
.brand{display:flex;flex-direction:column;justify-content:center;line-height:1.2;flex:0 0 auto;}
.brand strong{font-family:var(--f-serif);font-size:16px;font-weight:900;color:var(--c-primary);letter-spacing:.02em;white-space:nowrap;}
.brand span{font-size:11px;color:var(--c-ink-3);letter-spacing:.1em;white-space:nowrap;}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.dock-nav a{
  position:relative;display:inline-block;
  padding:9px 12px;border-radius:var(--r-pill);
  font-size:14px;color:var(--c-ink-2);white-space:nowrap;
  transition:color .18s ease,background-color .18s ease;
}
.dock-nav a:hover{color:var(--c-primary);background:var(--c-surface-2);}
.dock-nav a.active{color:var(--c-primary);font-weight:600;}
.dock-nav a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--c-jade);border-radius:2px;
}
.dock-right{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:var(--r-pill);
  background:var(--c-surface-2);border:1px solid var(--c-line);
  color:var(--c-primary);cursor:pointer;
  transition:background-color .18s ease,color .18s ease,transform .18s ease;
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.icon-btn:active{transform:scale(.96);}
.burger{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:var(--r-pill);
  background:var(--c-primary);border:1px solid var(--c-primary);
  color:#fff;cursor:pointer;
}
.burger svg{width:20px;height:20px;}
.burger:hover{background:var(--c-primary-300);border-color:var(--c-primary-300);}

/* 搜索浮层 */
.search-pop{
  position:absolute;top:calc(100% + 10px);right:0;
  width:min(380px,calc(100vw - 48px));
  padding:14px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-2);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.search-pop.open{opacity:1;visibility:visible;transform:none;}
.search-pop form{display:flex;gap:8px;align-items:center;}
.search-pop input{
  flex:1 1 auto;min-width:0;height:48px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:12px;
  background:var(--c-bg);color:var(--c-ink);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-pop input::placeholder{color:var(--c-ink-3);}
.search-pop input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px var(--c-jade);}

/* 移动端全屏面板 */
.mobile-panel{
  position:fixed;inset:0;z-index:55;
  padding:96px 16px 28px;
  background:var(--c-bg);
  display:flex;flex-direction:column;gap:16px;
  overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
}
body.nav-open .mobile-panel{opacity:1;visibility:visible;transform:none;}
.mp-nav{display:flex;flex-direction:column;}
.mp-nav a{
  display:flex;align-items:center;height:52px;padding:0 8px;
  border-bottom:1px solid var(--c-line);
  font-size:16px;color:var(--c-ink-2);
}
.mp-nav a.active{color:var(--c-primary);font-weight:600;}
.mobile-panel .btn{width:100%;margin-top:auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;
  border:1px solid transparent;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.2);}
.btn-ghost{background:var(--c-surface);color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-surface-2);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.62);}
.btn-light:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ---------- 顶部大图 Banner ---------- */
.page-hero{position:relative;padding-top:104px;overflow:hidden;}
.page-hero-media{position:absolute;inset:0;z-index:0;}
.page-hero-media img{width:100%;height:100%;object-fit:cover;}
.page-hero-mask{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(10,44,39,.74) 0%,rgba(10,44,39,.45) 52%,rgba(10,44,39,.88) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:60px 0 72px;color:#fff;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;}
.crumb a{color:rgba(255,255,255,.72);transition:color .18s ease;}
.crumb a:hover{color:#fff;}
.crumb .sep{color:rgba(255,255,255,.4);}
.crumb .cur{color:#fff;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 14px;margin-bottom:18px;
  border-radius:var(--r-pill);
  background:rgba(242,166,90,.16);color:var(--c-amber);
  font-size:13px;font-weight:600;letter-spacing:.04em;
}
.page-hero h1{
  font-size:clamp(30px,4.4vw,44px);
  line-height:1.28;
  color:#fff;
  letter-spacing:.01em;
  margin-bottom:18px;
  max-width:22em;
}
.hero-lead{
  max-width:34em;font-size:16px;line-height:1.9;
  color:rgba(255,255,255,.86);
  margin-bottom:0;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:36px;}
.hero-facts div{display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(255,255,255,.82);}
.hero-facts i{
  display:inline-flex;width:8px;height:8px;border-radius:50%;
  background:var(--c-amber);flex:0 0 auto;
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sect-y) 0;}
.section.alt{background:var(--c-surface-2);}
.sec-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;
  letter-spacing:.14em;color:var(--c-jade);margin-bottom:12px;
}
.sec-head h2{
  position:relative;padding-left:18px;
  font-size:clamp(24px,2.6vw,32px);line-height:1.35;margin-bottom:14px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.36em;
  width:4px;height:19px;border-radius:2px;background:var(--c-primary);
}
.sec-head p{max-width:38em;color:var(--c-ink-2);margin-bottom:0;}

/* ---------- 条目对比区 ---------- */
.spec-list{border-top:1px solid var(--c-line);}
.spec-row{
  display:grid;
  grid-template-columns:3.4fr 4fr 4.6fr;
  gap:28px;
  padding:30px 0;
  border-bottom:1px solid var(--c-line);
  transition:background-color .2s ease;
}
.spec-row:hover{background:rgba(238,243,240,.7);}
.spec-key{display:flex;gap:14px;align-items:flex-start;}
.spec-idx{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:var(--r-pill);
  background:rgba(226,114,91,.12);color:var(--c-accent);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  transition:background-color .2s ease,color .2s ease;
}
.spec-row:hover .spec-idx{background:var(--c-accent);color:#fff;}
.spec-key h3{font-size:19px;line-height:1.5;font-weight:700;}
.spec-cell .cell-label{
  display:block;position:relative;padding-left:12px;
  font-size:13px;letter-spacing:.08em;color:var(--c-ink-3);margin-bottom:8px;
}
.spec-cell .cell-label::before{
  content:"";position:absolute;left:0;top:.45em;
  width:4px;height:12px;border-radius:2px;background:var(--c-jade);
}
.spec-cell p{font-size:15px;color:var(--c-ink-2);line-height:1.85;margin-bottom:0;max-width:30em;}

/* ---------- 处理顺序 图文 ---------- */
.solve-grid{display:grid;grid-template-columns:5fr 6fr;gap:56px;align-items:center;}
.solve-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  box-shadow:var(--shadow-1);aspect-ratio:4/3;background:var(--c-surface-2);
}
.solve-media img{width:100%;height:100%;object-fit:cover;}
.step-list{display:flex;flex-direction:column;gap:22px;margin-top:8px;}
.step-item{display:flex;gap:18px;align-items:flex-start;}
.step-num{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;border-radius:50%;
  background:var(--c-surface);border:1px solid var(--c-line);
  color:var(--c-primary);font-family:var(--f-serif);font-weight:700;font-size:17px;
  font-variant-numeric:tabular-nums;
  box-shadow:var(--shadow-1);
}
.step-item h3{font-size:19px;line-height:1.5;margin-bottom:6px;}
.step-item p{font-size:15px;color:var(--c-ink-2);margin-bottom:0;max-width:32em;}

/* ---------- 自检清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 24px;}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 20px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(79,160,139,.55);}
.check-ico{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  width:24px;height:24px;margin-top:3px;border-radius:50%;
  background:rgba(79,160,139,.14);color:var(--c-jade);
}
.check-ico svg{width:14px;height:14px;}
.check-item strong{display:block;font-size:16px;font-weight:600;font-family:var(--f-sans);color:var(--c-ink);margin-bottom:4px;}
.check-item span.tip{font-size:14px;color:var(--c-ink-2);line-height:1.75;}

/* ---------- 相关栏目入口条 ---------- */
.link-rows{display:flex;flex-direction:column;border-top:1px solid var(--c-line);}
.link-row{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 8px;border-bottom:1px solid var(--c-line);
  transition:background-color .2s ease,padding-left .2s ease;
}
.link-row:hover{background:rgba(238,243,240,.85);padding-left:16px;}
.link-row .lr-main{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;}
.link-row strong{font-family:var(--f-serif);font-size:18px;font-weight:700;}
.link-row em{font-style:normal;font-size:14px;color:var(--c-ink-3);}
.link-row .lr-go{font-size:14px;font-weight:600;color:var(--c-accent);white-space:nowrap;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:14px;margin-bottom:12px;overflow:hidden;
  transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{background:var(--c-surface-2);box-shadow:inset 3px 0 0 var(--c-jade);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:18px 22px;background:none;border:0;
  text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);cursor:pointer;
}
.faq-ico{
  position:relative;flex:0 0 26px;width:26px;height:26px;
  border:1px solid var(--c-line);border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-primary);background:var(--c-surface);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.faq-item.open .faq-ico{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:currentColor;border-radius:2px;}
.faq-ico::before{width:11px;height:2px;}
.faq-ico::after{width:2px;height:11px;transition:transform .2s ease,opacity .2s ease;}
.faq-item.open .faq-ico::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.open .faq-a{max-height:460px;}
.faq-a p{
  margin:0;padding:0 22px 20px;
  font-size:15px;line-height:1.9;color:var(--c-ink-2);max-width:34em;
}

/* ---------- 底部 CTA ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  padding:56px;border-radius:var(--r-dark);
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-700) 100%);
  box-shadow:var(--shadow-2);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.35;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;max-width:34em;margin-bottom:0;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-foot{
  margin-top:var(--sect-y);
  background:var(--c-primary-700);
  border-top:1px solid rgba(79,160,139,.5);
  padding:72px 0 28px;
  color:rgba(255,255,255,.72);
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;}
.foot-brand strong{display:block;font-family:var(--f-serif);font-size:17px;font-weight:900;color:#fff;margin-bottom:14px;}
.foot-brand p{font-size:14px;line-height:1.85;margin-bottom:12px;max-width:30em;}
.foot-brand .contact{color:rgba(255,255,255,.6);font-size:13px;}
.foot-col h4{font-size:15px;font-weight:600;font-family:var(--f-sans);color:var(--c-amber);margin-bottom:16px;}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease,transform .18s ease;display:inline-block;}
.foot-col a:hover{color:var(--c-accent);transform:translateX(2px);}
.foot-col p{font-size:13px;line-height:1.9;color:rgba(255,255,255,.66);margin-bottom:0;}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:48px;padding-top:22px;
  border-top:1px solid var(--c-line-dark);
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--sect-y:88px;}
  .solve-grid{gap:40px;}
}
@media (max-width:1023px){
  :root{--sect-y:72px;}
  .brand span{display:none;}
  .dock-nav a{padding:8px 9px;font-size:13px;}
  .dock-nav a.active::after{left:9px;right:9px;}
  .spec-row{grid-template-columns:1fr 1fr;gap:20px;}
  .spec-key{grid-column:1 / -1;}
  .solve-grid{grid-template-columns:1fr;gap:32px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:44px;}
}
@media (max-width:768px){
  :root{--pad:16px;--sect-y:56px;}
  .dock{top:10px;}
  .dock-inner{height:56px;padding:0 10px 0 16px;gap:10px;}
  .brand strong{font-size:14px;}
  .dock-nav{display:none;}
  .burger{display:inline-flex;}
  .dock-right .btn{display:none;}
  .dock.is-scrolled .dock-inner{height:52px;}
  .page-hero{padding-top:88px;}
  .page-hero-inner{padding:40px 0 48px;}
  .hero-actions .btn{width:100%;}
  .hero-facts{gap:14px;flex-direction:column;margin-top:26px;}
  .sec-head{margin-bottom:28px;}
  .spec-row{grid-template-columns:1fr;gap:10px;padding:22px 0;}
  .spec-row:hover{background:transparent;}
  .step-num{width:42px;height:42px;font-size:16px;}
  .check-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;gap:24px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a p{padding:0 18px 18px;}
  .site-foot{padding:56px 0 24px;}
  .foot-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .page-hero h1{font-size:26px;}
  .link-row{flex-direction:column;align-items:flex-start;gap:6px;}
  .link-row:hover{padding-left:8px;}
}