/* roulang page: index */
:root{
  --c-primary:#16453A;
  --c-primary-d:#0E2E27;
  --c-primary-l:#E6EEE9;
  --c-accent:#E2613A;
  --c-accent-d:#C9502C;
  --c-mist:#6E8F86;
  --c-bg:#F7F6F2;
  --c-card:#FFFFFF;
  --c-ink:#1C1F1D;
  --c-ink-2:#5A6360;
  --c-line:#E3E7E3;
  --c-hover-bg:#FBFAF7;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-card:0 8px 24px rgba(22,69,58,.10);
  --sh-pop:0 16px 40px rgba(14,46,39,.16);
  --font-title:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-body:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:var(--font-body);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
h1,h2,h3,h4,h5{font-family:var(--font-title);color:var(--c-primary);margin:0;font-weight:700;letter-spacing:.01em;}
h1{font-size:42px;line-height:1.25;}
h2{font-size:27px;line-height:1.35;}
h3{font-size:19px;line-height:1.5;font-weight:600;}
h4{font-size:16px;line-height:1.6;font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
button{font-family:inherit;}
.container{padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto;}
@media (min-width:1200px){.container{max-width:1200px;}}
.section{padding:80px 0;}
.section-alt{background:var(--c-primary-l);}
.section-line{border-top:1px solid var(--c-line);}

/* 通用文字 */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.14em;color:var(--c-mist);
  text-transform:uppercase;margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:"";width:20px;height:1px;background:var(--c-accent);display:block;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head .sh-text{max-width:640px;}
.section-head .sh-text p{margin-top:10px;font-size:15px;color:var(--c-ink-2);line-height:1.7;}
.section-head .sh-more{
  font-size:14px;font-weight:600;color:var(--c-primary);white-space:nowrap;
  border-bottom:1px solid var(--c-line);padding-bottom:2px;transition:.18s ease;
}
.section-head .sh-more:hover{color:var(--c-accent);border-color:var(--c-accent);}

/* 徽章与标签 */
.badge-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 9px;
  font-size:13px;line-height:1;border-radius:var(--r-badge);
  background:var(--c-primary-l);color:var(--c-primary);font-weight:600;letter-spacing:.01em;
}
.badge-num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:26px;height:24px;padding:0 8px;border-radius:var(--r-badge);
  background:var(--c-accent);color:#fff;font-size:12px;font-weight:700;letter-spacing:.02em;
}
.meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--c-ink-2);line-height:1.6;flex-wrap:wrap;}
.meta .dot{width:3px;height:3px;border-radius:50%;background:var(--c-line);display:inline-block;}

/* 按钮 */
.btn-mk{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  cursor:pointer;white-space:nowrap;
}
.btn-mk.lg{height:48px;padding:0 28px;font-size:16px;}
.btn-mk.sm{height:32px;padding:0 14px;font-size:13px;}
.btn-solid{background:var(--c-primary);color:#fff;}
.btn-solid:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-card);}
.btn-solid:active{transform:translateY(0);box-shadow:none;}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-card);}
.btn-accent:active{transform:translateY(0);box-shadow:none;}
.btn-outline-mk{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline-mk:hover{background:var(--c-primary-l);color:var(--c-primary);}
.btn-ghost-w{background:transparent;border-color:rgba(255,255,255,.62);color:#fff;}
.btn-ghost-w:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;}
.btn-mk:focus-visible,.nav-links a:focus-visible,.quick-item:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

/* 公告条 */
.announce{background:var(--c-primary-d);color:#fff;font-size:13px;min-height:32px;display:flex;align-items:center;}
.announce .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.announce a{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.announce a:hover{color:var(--c-accent);}
.announce-close{background:none;border:0;color:rgba(255,255,255,.7);cursor:pointer;padding:0 4px;font-size:14px;line-height:1;}
.announce-close:hover{color:#fff;}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:1030;background:var(--c-bg);
  border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:0 4px 16px rgba(0,0,0,.05);}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:68px;}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:34px;height:34px;border-radius:8px;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:700;letter-spacing:.02em;
  font-family:Inter,system-ui,sans-serif;flex-shrink:0;
}
.brand-text{font-family:var(--font-title);font-weight:700;font-size:17px;color:var(--c-primary);line-height:1.2;}
.brand-text small{display:block;font-size:11px;color:var(--c-mist);font-weight:500;letter-spacing:.06em;font-family:Inter,system-ui,sans-serif;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;display:block;padding:0 14px;height:68px;line-height:68px;
  font-size:15px;color:var(--c-ink);font-weight:500;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;
  background:var(--c-accent);transition:left .2s ease,right .2s ease;
}
.nav-links a:hover{color:var(--c-primary);}
.nav-links a:hover::after,.nav-links a.active::after{left:14px;right:14px;}
.nav-links a.active{color:var(--c-primary);font-weight:600;}
.header-cta{display:flex;align-items:center;gap:12px;}
.burger{
  display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;color:var(--c-primary);font-size:16px;align-items:center;justify-content:center;
}
.offcanvas{width:82vw !important;max-width:340px;background:#fff;}
.offcanvas-header{border-bottom:1px solid var(--c-line);padding:16px 20px;}
.offcanvas-body{padding:8px 20px 24px;}
.m-nav-group{font-size:12px;letter-spacing:.1em;color:var(--c-mist);margin:18px 0 6px;font-weight:600;}
.m-nav a{
  display:flex;align-items:center;justify-content:space-between;height:52px;
  border-bottom:1px solid var(--c-line);font-size:15px;color:var(--c-ink);font-weight:500;
}
.m-nav a.active{color:var(--c-primary);font-weight:600;}
.m-nav a i{color:var(--c-mist);font-size:12px;}
.m-cta{margin-top:24px;}
.m-cta .btn-mk{width:100%;}

/* Hero */
.hero{
  position:relative;min-height:520px;display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,46,39,.95) 0%,rgba(14,46,39,.86) 42%,rgba(14,46,39,.30) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.06;
  background-image:linear-gradient(rgba(255,255,255,.9) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:8px 8px;
}
.hero .container{position:relative;z-index:2;}
.hero-inner{max-width:720px;padding:76px 0;}
.hero .eyebrow{color:rgba(255,255,255,.78);}
.hero .eyebrow::before{background:var(--c-accent);}
.hero h1{color:#fff;font-size:42px;margin-bottom:18px;}
.hero-sub{font-size:18px;line-height:1.75;color:rgba(255,255,255,.86);max-width:600px;}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.hero-strip{
  display:flex;align-items:center;gap:0;margin-top:40px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.2);padding-top:20px;max-width:640px;
}
.hero-strip .hs-item{font-size:13px;color:rgba(255,255,255,.78);padding-right:20px;margin-right:20px;border-right:1px solid rgba(255,255,255,.2);}
.hero-strip .hs-item:last-child{border-right:0;margin-right:0;padding-right:0;}
.hero-strip .hs-item strong{color:#fff;font-weight:600;}

/* 快捷入口条 */
.quickbar{
  border:1px solid var(--c-line);border-radius:14px;background:#fff;
  display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;
}
.quick-item{
  display:block;padding:20px 22px;border-right:1px solid var(--c-line);
  color:inherit;transition:background .18s ease;
}
.quick-item:last-child{border-right:0;}
.quick-item:hover{background:var(--c-hover-bg);}
.quick-item .qi-top{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.quick-item .qi-num{font-family:Inter,system-ui,sans-serif;font-size:12px;font-weight:700;color:var(--c-accent);letter-spacing:.08em;}
.quick-item .qi-name{font-size:16px;font-weight:600;color:var(--c-primary);margin-top:8px;font-family:var(--font-title);}
.quick-item .qi-desc{font-size:12px;color:var(--c-ink-2);line-height:1.6;margin-top:4px;}
.quick-item i{color:var(--c-mist);font-size:12px;transition:transform .18s ease,color .18s ease;}
.quick-item:hover i{transform:translateX(4px);color:var(--c-accent);}

/* 合集目录大卡 */
.collection-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.coll-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;transition:.22s ease;height:100%;
}
.coll-card:hover{border-color:var(--c-accent);transform:translateY(-2px);box-shadow:var(--sh-card);}
.coll-thumb{position:relative;overflow:hidden;background:var(--c-primary-l);}
.coll-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.coll-card:hover .coll-thumb img{transform:scale(1.03);}
.coll-thumb .badge-num{position:absolute;left:14px;top:14px;box-shadow:0 2px 8px rgba(14,46,39,.25);}
.coll-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.coll-body h3{font-size:20px;margin-bottom:8px;}
.coll-body p{font-size:14px;color:var(--c-ink-2);line-height:1.7;}
.coll-foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.coll-foot .cf-left{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-ink-2);}
.coll-foot .cf-go{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:8px;}
.coll-foot .cf-go i{transition:transform .18s ease;}
.coll-card:hover .cf-go{color:var(--c-accent);}
.coll-card:hover .cf-go i{transform:translateX(4px);}

/* 最新信息 */
.lead-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;height:100%;display:flex;flex-direction:column;transition:.22s ease;
}
.lead-card:hover{border-color:var(--c-accent);box-shadow:var(--sh-card);}
.lead-card .lead-thumb{overflow:hidden;}
.lead-card .lead-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.lead-card:hover .lead-thumb img{transform:scale(1.03);}
.lead-body{padding:22px 24px 24px;}
.lead-body h3{font-size:22px;margin:12px 0 10px;line-height:1.45;}
.lead-body h3 a{color:var(--c-primary);}
.lead-body h3 a:hover{color:var(--c-accent);}
.lead-body p{font-size:14px;color:var(--c-ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.lead-body .meta{margin-top:16px;}
.post-list{border-top:1px solid var(--c-line);}
.post-list li{border-bottom:1px solid var(--c-line);}
.post-row{display:flex;align-items:flex-start;gap:18px;padding:18px 4px;transition:background .18s ease;}
.post-row:hover{background:var(--c-hover-bg);}
.post-row-main{flex:1;min-width:0;}
.post-row h4{font-size:16px;color:var(--c-ink);margin-bottom:6px;font-weight:600;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:color .18s ease;}
.post-row:hover h4{color:var(--c-accent);}
.post-row p{font-size:14px;color:var(--c-ink-2);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-row .meta{margin-top:10px;}
.post-row > i{color:var(--c-mist);font-size:13px;margin-top:6px;transition:transform .18s ease,color .18s ease;}
.post-row:hover > i{transform:translateX(4px);color:var(--c-accent);}
.empty-state{
  border:1px dashed var(--c-line);border-radius:var(--r-card);background:#fff;
  padding:56px 24px;text-align:center;
}
.empty-state i{font-size:28px;color:var(--c-mist);}
.empty-state p{font-size:14px;color:var(--c-ink-2);margin:14px 0 20px;}

/* 精选条目 */
.feature-grid{display:grid;grid-template-columns:2fr 1fr;grid-template-rows:auto auto;gap:24px;}
.feat-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:.22s ease;display:block;color:inherit;}
.feat-card:hover{border-color:var(--c-accent);transform:translateY(-2px);box-shadow:var(--sh-card);}
.feat-card.big{grid-row:span 2;position:relative;}
.feat-card.big .feat-thumb{overflow:hidden;}
.feat-card.big .feat-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.feat-card.big:hover .feat-thumb img{transform:scale(1.03);}
.feat-body{padding:20px 22px 22px;}
.feat-card.big .feat-body h3{font-size:20px;margin-bottom:10px;}
.feat-card.big .feat-body p{font-size:14px;color:var(--c-ink-2);line-height:1.7;}
.feat-num{
  position:absolute;left:16px;top:16px;z-index:3;background:var(--c-primary);color:#fff;
  font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:700;letter-spacing:.08em;
  padding:4px 10px;border-radius:var(--r-badge);
}
.feat-card.small{display:flex;align-items:center;gap:16px;padding:16px;}
.feat-card.small .feat-mini{width:104px;flex-shrink:0;border-radius:var(--r-img);overflow:hidden;}
.feat-card.small .feat-mini img{width:100%;aspect-ratio:1/1;object-fit:cover;}
.feat-card.small h4{font-size:16px;line-height:1.5;margin-bottom:6px;}
.feat-card.small p{font-size:13px;color:var(--c-ink-2);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* 相关推荐横滑 */
.rec-scroll{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.rec-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:.22s ease;display:block;color:inherit;}
.rec-card:hover{border-color:var(--c-accent);transform:translateY(-2px);box-shadow:var(--sh-card);}
.rec-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.rec-card .rec-thumb{overflow:hidden;}
.rec-card:hover img{transform:scale(1.03);}
.rec-body{padding:16px 18px 18px;}
.rec-body h4{font-size:15px;line-height:1.55;margin-bottom:10px;color:var(--c-primary);}

/* CTA 深色带 */
.cta-band{
  background:var(--c-primary-d);color:#fff;padding:56px 0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.07;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.9) 0 1px,transparent 1px 8px);
}
.cta-band .container{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h3{color:#fff;font-size:24px;margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.74);font-size:14px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* FAQ */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:first-child{border-top:1px solid var(--c-line);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 20px;font-size:16px;font-weight:600;color:var(--c-primary);
  transition:background .18s ease;line-height:1.6;
}
.faq-q:hover{background:var(--c-hover-bg);}
.faq-q .fq-icon{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;border:1px solid var(--c-line);
  display:grid;place-items:center;font-size:11px;color:var(--c-mist);
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.faq-item.open .faq-q{background:var(--c-primary-l);border-left:4px solid var(--c-accent);padding-left:16px;}
.faq-item.open .fq-icon{transform:rotate(180deg);background:var(--c-accent);border-color:var(--c-accent);color:#fff;}
.faq-a{display:none;padding:0 20px 24px 20px;font-size:15px;color:var(--c-ink-2);line-height:1.8;}
.faq-item.open .faq-a{display:block;}

/* 页脚 */
.site-footer{background:var(--c-primary-d);color:#C8D6D0;border-top:1px solid var(--c-accent);padding:64px 0 0;}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-mark{background:rgba(255,255,255,.12);}
.footer-desc{font-size:14px;line-height:1.75;color:#9FB5AE;margin-top:16px;max-width:320px;}
.footer-title{font-size:13px;letter-spacing:.08em;color:#fff;font-weight:600;margin-bottom:18px;font-family:var(--font-body);}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:14px;color:#C8D6D0;}
.footer-links a:hover{color:var(--c-accent);}
.footer-contact li{font-size:14px;color:#C8D6D0;margin-bottom:12px;display:flex;gap:10px;align-items:flex-start;}
.footer-contact i{color:var(--c-mist);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  font-size:13px;color:#8FA49E;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}

/* 响应式 */
@media (max-width:1199px){
  .collection-grid{grid-template-columns:1fr 1fr;}
  .feature-grid{grid-template-columns:1fr 1fr;}
  .feat-card.big{grid-row:span 1;grid-column:span 2;}
}
@media (max-width:991px){
  h1{font-size:32px;}
  h2{font-size:24px;}
  .hero h1{font-size:32px;}
  .hero{min-height:460px;}
  .hero-inner{padding:64px 0;}
  .quickbar{grid-template-columns:1fr 1fr;}
  .quick-item:nth-child(2){border-right:0;}
  .quick-item:nth-child(1),.quick-item:nth-child(2){border-bottom:1px solid var(--c-line);}
  .rec-scroll{grid-template-columns:1fr 1fr;}
  .section{padding:60px 0;}
  .nav-links,.header-cta .btn-mk{display:none;}
  .burger{display:flex;}
  .brand-text small{display:none;}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px;}
  .hero{min-height:420px;background-position:center top;}
  .hero-inner{padding:52px 0;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn-mk{width:100%;}
  .hero-strip{gap:10px;}
  .hero-strip .hs-item{border-right:0;padding-right:0;margin-right:0;width:100%;}
  .section{padding:48px 0;}
  .collection-grid{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:1fr;}
  .feat-card.big{grid-column:span 1;}
  .rec-scroll{
    display:flex;overflow-x:auto;gap:16px;scroll-snap-type:x mandatory;
    margin:0 -16px;padding:0 16px 8px;
  }
  .rec-card{flex:0 0 82%;scroll-snap-align:start;}
  .post-list{border-top:1px solid var(--c-line);}
  .cta-band .container{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn-mk{width:100%;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .quickbar{grid-template-columns:1fr;}
  .quick-item{border-right:0 !important;border-bottom:1px solid var(--c-line);}
  .quick-item:last-child{border-bottom:0;}
}

/* roulang page: article */
:root{
  --c-primary:#16453A;
  --c-primary-d:#0E2E27;
  --c-primary-l:#E6EEE9;
  --c-accent:#E2613A;
  --c-mist:#6E8F86;
  --c-bg:#F7F6F2;
  --c-card:#FFFFFF;
  --c-text:#1C1F1D;
  --c-text-2:#5A6360;
  --c-line:#E3E7E3;
  --c-err:#B5453A;
  --c-ok:#2F7D5B;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:6px;
  --r-input:10px;
  --sh-card:0 8px 24px rgba(22,69,58,.10);
  --sh-float:0 16px 40px rgba(14,46,39,.16);
  --ff-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --ff-sans:"Inter","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--ff-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none}
a:hover{color:var(--c-accent)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-family:var(--ff-serif);color:var(--c-primary);font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%}
@media (max-width:767.98px){.container{padding-left:16px;padding-right:16px}}

/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--c-primary-d);color:#DCE7E2;font-size:13px}
.topbar-inner{display:flex;align-items:center;gap:12px;min-height:32px;position:relative}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:none}
.topbar-link{margin-left:auto;color:#fff;font-size:13px;border-bottom:1px solid rgba(255,255,255,.3);padding-bottom:1px}
.topbar-link:hover{color:var(--c-accent);border-color:var(--c-accent)}
.topbar-close{background:transparent;border:0;color:#9FB5AD;font-size:13px;padding:4px 0 4px 8px;cursor:pointer}
.topbar-close:hover{color:#fff}
.topbar.is-hidden{display:none}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:var(--c-bg);border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(0,0,0,.05)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:36px;height:36px;border-radius:6px;background:var(--c-primary);color:#fff;font-family:var(--ff-sans);font-size:15px;font-weight:700;letter-spacing:.02em;display:flex;align-items:center;justify-content:center;flex:none}
.brand-text{font-family:var(--ff-serif);font-size:19px;font-weight:700;color:var(--c-primary);white-space:nowrap}
.brand:hover .brand-text{color:var(--c-primary)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{position:relative;padding:8px 12px;font-size:15px;color:var(--c-text);font-weight:500;transition:color .18s ease}
.nav-links a::after{content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;background:var(--c-accent);transition:left .22s ease,right .22s ease}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a:hover::after{left:12px;right:12px}
.nav-links a.active{color:var(--c-primary);font-weight:600}
.nav-links a.active::after{left:12px;right:12px}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;color:var(--c-primary);font-size:16px;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle:hover{border-color:var(--c-primary)}
@media (max-width:991.98px){
  .nav-links{display:none}
  .header-inner{height:56px}
  .brand-mark{width:32px;height:32px;font-size:13px;border-radius:6px}
  .brand-text{font-size:16px}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex}
}

/* ---------- 按钮 ---------- */
.btn-accent,.btn-outline-p,.btn-ghost-w,.btn-plain{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:#C9522F;color:#fff;transform:translateY(-1px);box-shadow:0 8px 24px rgba(226,97,58,.24)}
.btn-accent:active{transform:none;box-shadow:none}
.btn-outline-p{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline-p:hover{background:var(--c-primary-l);color:var(--c-primary)}
.btn-ghost-w{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost-w:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-plain{background:#fff;border-color:var(--c-line);color:var(--c-text)}
.btn-plain:hover{border-color:var(--c-primary);color:var(--c-primary)}
.btn-lg{height:48px;padding:0 28px}
.btn-sm{height:32px;padding:0 14px;font-size:14px}

/* ---------- 徽章与标签 ---------- */
.badge-cat{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-badge);background:var(--c-primary-l);color:var(--c-primary);font-size:13px;font-weight:600;line-height:1}
.meta-dot{color:var(--c-mist);margin:0 8px}

/* ---------- 文章头 ---------- */
.article-hero{
  background-color:var(--c-bg);
  background-image:linear-gradient(rgba(22,69,58,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(22,69,58,.045) 1px,transparent 1px);
  background-size:8px 8px,8px 8px;
  border-bottom:1px solid var(--c-line);
  padding:36px 0 40px;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-primary);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:var(--c-primary);border-bottom:1px solid rgba(22,69,58,.3);padding-bottom:1px}
.crumb a:hover{color:var(--c-accent);border-color:var(--c-accent)}
.crumb .sep{color:var(--c-mist)}
.crumb .current{color:var(--c-text-2);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{font-size:36px;line-height:1.32;margin:16px 0 18px;max-width:860px}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;font-size:14px;color:var(--c-text-2)}
.article-meta .sep{color:var(--c-line);margin:0 12px}
@media (max-width:991.98px){.article-title{font-size:30px}}
@media (max-width:767.98px){
  .article-hero{padding:24px 0 28px}
  .article-title{font-size:24px;line-height:1.35}
  .crumb .current{max-width:180px}
}

/* ---------- 阅读布局 ---------- */
.read-wrap{padding:56px 0 72px}
.article-layout{display:block}
.article-main{max-width:760px;margin:0 auto}
.toc-aside{display:none}
@media (min-width:1200px){
  .article-layout{display:grid;grid-template-columns:minmax(0,760px) 200px;gap:56px;justify-content:center;align-items:start}
  .article-main{max-width:none;margin:0}
  .toc-aside{display:block;position:sticky;top:104px}
}
.toc-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:18px 16px}
.toc-card h4{font-size:13px;font-family:var(--ff-sans);font-weight:600;letter-spacing:.08em;color:var(--c-mist);margin-bottom:12px}
.toc-list li{margin-bottom:4px}
.toc-list a{display:block;font-size:13px;line-height:1.6;color:var(--c-text-2);padding:6px 0 6px 10px;border-left:2px solid transparent;transition:color .18s ease,border-color .18s ease}
.toc-list a:hover{color:var(--c-primary)}
.toc-list a.is-active{color:var(--c-primary);font-weight:600;border-left-color:var(--c-accent)}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--c-text)}
.article-body p{margin:0 0 1.4em}
.article-body h2{font-size:24px;line-height:1.35;margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--c-accent)}
.article-body h3{font-size:19px;line-height:1.5;margin:28px 0 12px;font-weight:600}
.article-body h4{font-size:17px;line-height:1.5;margin:22px 0 10px;font-weight:600}
.article-body ul{margin:0 0 1.4em;padding-left:0}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:1px;background:var(--c-primary)}
.article-body ol{margin:0 0 1.4em;padding-left:24px;list-style:decimal}
.article-body ol li{margin-bottom:10px}
.article-body ol li::marker{color:var(--c-accent);font-weight:700}
.article-body blockquote{margin:26px 0;padding:20px;background:var(--c-primary-l);border-left:4px solid var(--c-primary);border-radius:0 var(--r-img) var(--r-img) 0;color:#25403A}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{max-width:100%;height:auto;border-radius:var(--r-img);margin:24px auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--c-text-2);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;background:#fff}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:12px;text-align:left;vertical-align:top}
.article-body th{background:var(--c-primary-l);color:var(--c-primary);font-weight:600}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(22,69,58,.35)}
.article-body a:hover{color:var(--c-accent);border-color:var(--c-accent)}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:36px 0}

/* ---------- 空态 ---------- */
.empty-state{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:64px 24px;text-align:center;color:var(--c-text-2);
}
.empty-state i{font-size:32px;color:var(--c-mist);display:block;margin-bottom:16px}
.empty-state p{font-size:16px;margin-bottom:20px}

/* ---------- 文末模块 ---------- */
.article-foot{margin-top:56px;max-width:760px;margin-left:auto;margin-right:auto}
@media (min-width:1200px){.article-foot{max-width:none;margin-left:0;margin-right:0}}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding-top:28px;border-top:1px solid var(--c-line)}
.tag-row .label{font-size:13px;letter-spacing:.08em;color:var(--c-mist)}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-badge);background:var(--c-primary-l);color:var(--c-primary);font-size:13px}
.tag:hover{background:#D8E5DE;color:var(--c-primary)}
.share-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.share-row .btn-plain i{font-size:14px}
.tip-line{font-size:13px;color:var(--c-ok);margin-top:10px;display:none}
.tip-line.show{display:block}
.dual-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:40px}
.dual-card{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.dual-card:hover{border-color:var(--c-accent);box-shadow:var(--sh-card);transform:translateY(-2px)}
.dual-card .kicker{font-size:12px;letter-spacing:.1em;color:var(--c-mist);margin-bottom:6px}
.dual-card .name{font-family:var(--ff-serif);font-size:17px;font-weight:700;color:var(--c-primary)}
.dual-card i{color:var(--c-accent);transition:transform .18s ease}
.dual-card:hover i{transform:translateX(4px)}
@media (max-width:767.98px){
  .dual-nav{grid-template-columns:1fr}
  .dual-card:hover{transform:none}
}

/* ---------- 相关推荐 ---------- */
.rec-section{padding:72px 0;background:var(--c-primary-l);border-top:1px solid var(--c-line)}
.section-head{margin-bottom:32px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.14em;color:var(--c-primary)}
.eyebrow::before{content:"";width:20px;height:1px;background:var(--c-accent)}
.section-head h2{font-size:26px;line-height:1.35;margin:12px 0 8px}
.section-head p{font-size:15px;color:var(--c-text-2);max-width:620px}
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rec-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease}
.rec-card:hover{border-color:var(--c-accent);box-shadow:var(--sh-card);transform:translateY(-2px)}
.rec-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#DFE6E2}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.03)}
.rec-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-body h3{font-size:17px;line-height:1.5}
.rec-body .desc{font-size:14px;color:var(--c-text-2);line-height:1.7}
.rec-body .arrow{margin-top:auto;font-size:13px;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.rec-card:hover .rec-body .arrow{color:var(--c-accent)}
@media (max-width:991.98px){.rec-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:767.98px){.rec-grid{grid-template-columns:1fr}.rec-card:hover{transform:none}}

/* ---------- CTA 带 ---------- */
.cta-band{
  background-color:var(--c-primary-d);
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 1px,transparent 1px 9px);
  color:#fff;padding:56px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:24px;line-height:1.4;max-width:520px}
.cta-inner p{color:#C8D6D0;font-size:15px;margin-top:10px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:767.98px){
  .cta-band{padding:44px 0}
  .cta-actions{width:100%}
  .cta-actions .btn-accent,.cta-actions .btn-ghost-w{flex:1;min-width:140px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-d);border-top:1px solid var(--c-accent);color:#C8D6D0;padding:56px 0 0;font-size:14px}
.site-footer .brand{gap:10px;margin-bottom:16px}
.site-footer .brand-mark{background:rgba(255,255,255,.1);color:#fff}
.site-footer .brand-text{color:#fff;font-size:18px}
.footer-desc{font-size:13.5px;line-height:1.8;color:#9FB5AD;max-width:300px}
.footer-title{font-size:13px;letter-spacing:.08em;color:#8FA8A0;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#C8D6D0;font-size:14px}
.footer-links a:hover{color:var(--c-accent)}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;font-size:13.5px;line-height:1.7;color:#9FB5AD}
.footer-contact i{color:var(--c-accent);margin-top:4px;flex:none}
.footer-bottom{
  margin-top:40px;padding:20px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8FA8A0;
}
@media (max-width:767.98px){
  .site-footer{padding-top:44px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* ---------- 移动抽屉 ---------- */
.offcanvas.mobile-nav{width:82vw;max-width:340px;border:0}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--c-line);padding:16px 20px}
.mobile-nav .offcanvas-body{padding:16px 0 24px;display:flex;flex-direction:column}
.mobile-group-title{font-size:12px;letter-spacing:.1em;color:var(--c-mist);padding:12px 20px 6px}
.mobile-nav .m-link{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 20px;color:var(--c-text);font-size:16px;border-bottom:1px solid var(--c-line)}
.mobile-nav .m-link:hover,.mobile-nav .m-link.active{background:#FBFAF7;color:var(--c-primary);font-weight:600}
.mobile-cta{margin-top:auto;padding:20px}
.mobile-cta .btn-accent{width:100%}

/* roulang page: category1 */
:root{
  --c-primary:#16453A;
  --c-primary-d:#0E2E27;
  --c-primary-l:#E6EEE9;
  --c-accent:#E2613A;
  --c-accent-d:#C9522E;
  --c-mist:#6E8F86;
  --c-bg:#F7F6F2;
  --c-card:#FFFFFF;
  --c-text:#1C1F1D;
  --c-text-2:#5A6360;
  --c-line:#E3E7E3;
  --c-row-hover:#FBFAF7;
  --c-error:#B5453A;
  --c-success:#2F7D5B;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:6px;
  --r-input:10px;
  --r-hero:16px;
  --sh-hover:0 8px 24px rgba(22,69,58,.10);
  --sh-pop:0 16px 40px rgba(14,46,39,.16);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,sans-serif;
  --font-num:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-accent)}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--c-text);margin:0}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
.section{padding:80px 0}
.section-alt{background:var(--c-primary-l);padding:80px 0}
.section-line{border-top:1px solid var(--c-line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.14em;color:var(--c-mist);
  font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:1px;background:var(--c-accent);display:block}
h1{font-size:42px;line-height:1.25;font-weight:700}
h2{font-size:27px;line-height:1.35;font-weight:700}
h3{font-size:19px;line-height:1.5;font-weight:600}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head .lead{font-size:15px;color:var(--c-text-2);max-width:620px;margin:10px 0 0}
.head-link{font-size:14px;font-weight:600;color:var(--c-primary);white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.head-link i{transition:transform .18s ease}
.head-link:hover{color:var(--c-accent)}
.head-link:hover i{transform:translateX(4px)}

/* 顶部公告条 */
.topbar{background:var(--c-primary-d);color:#fff;font-size:13px;height:32px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-text{display:flex;align-items:center;gap:8px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.topbar-text i{color:var(--c-accent)}
.topbar-close{background:transparent;border:0;color:#C8D6D0;font-size:14px;line-height:1;padding:4px 6px;border-radius:6px;transition:color .18s ease,background .18s ease}
.topbar-close:hover{color:#fff;background:rgba(255,255,255,.10)}
.topbar.is-hidden{display:none}

/* 导航 */
.site-header{
  background:var(--c-bg);
  border-bottom:1px solid var(--c-line);
  position:sticky;top:0;z-index:1030;
  transition:box-shadow .2s ease,background .2s ease;
}
.site-header.is-stuck{box-shadow:0 4px 16px rgba(0,0,0,.05)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-family:var(--font-num);font-weight:700;
  font-size:15px;letter-spacing:.04em;flex:0 0 auto;
}
.brand-text{font-family:var(--font-serif);font-weight:700;font-size:17px;color:var(--c-text);letter-spacing:.01em;line-height:1.2}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;padding:10px 14px;font-size:15px;font-weight:500;color:var(--c-text);border-radius:8px;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:4px;height:2px;
  background:var(--c-accent);transition:left .18s ease,right .18s ease;
}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a:hover::after{left:14px;right:14px}
.nav-links a.active{color:var(--c-primary);font-weight:600}
.nav-links a.active::after{left:14px;right:14px}
.header-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-primary);font-size:16px;align-items:center;justify-content:center;
}
.menu-toggle:hover{border-color:var(--c-primary);color:var(--c-accent)}

/* 按钮 */
.btn-mk{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  background:var(--c-primary);color:#fff;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn-mk:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover)}
.btn-mk:active{transform:translateY(0);box-shadow:none}
.btn-mk:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.btn-mk-sm{height:40px;padding:0 20px;font-size:14px}
.btn-accent{background:var(--c-accent)}
.btn-accent:hover{background:var(--c-accent-d)}
.btn-ghost{background:transparent;color:var(--c-primary);border:1px solid var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary);box-shadow:none}
.btn-ghost-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55)}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}

/* 徽章 / 标签 */
.badge-mk{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--c-primary-l);color:var(--c-primary);
  border-radius:var(--r-badge);padding:4px 10px;font-size:13px;font-weight:600;line-height:1.6;
}
.badge-accent{background:rgba(226,97,58,.12);color:var(--c-accent-d)}
.badge-line{background:transparent;border:1px solid var(--c-line);color:var(--c-text-2);font-weight:500}

/* 分类页横幅 */
.page-banner{
  position:relative;overflow:hidden;color:#fff;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,46,39,.95) 0%,rgba(14,46,39,.88) 50%,rgba(14,46,39,.68) 100%);
}
.page-banner::after{
  content:"";position:absolute;inset:0;opacity:.55;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 1px,transparent 1px 8px);
}
.banner-inner{position:relative;z-index:2;padding:40px 0 44px;min-height:260px;display:flex;align-items:flex-end}
.banner-grid{display:flex;align-items:flex-end;justify-content:space-between;gap:36px;width:100%}
.breadcrumb-mk{display:flex;align-items:center;gap:8px;font-size:13px;color:#B9CCC5;margin-bottom:16px;flex-wrap:wrap}
.breadcrumb-mk a{color:#DCE9E4}
.breadcrumb-mk a:hover{color:var(--c-accent)}
.breadcrumb-mk .sep{color:rgba(255,255,255,.4)}
.breadcrumb-mk .current{color:#8FA9A1}
.page-banner h1{color:#fff;font-size:40px;max-width:760px}
.page-banner .banner-desc{color:#C8D6D0;font-size:16px;line-height:1.8;max-width:620px;margin:16px 0 0}
.banner-stats{display:flex;gap:12px;flex:0 0 auto}
.stat-chip{
  border:1px solid rgba(255,255,255,.22);border-radius:var(--r-card);
  padding:14px 20px;min-width:132px;background:rgba(255,255,255,.05);
}
.stat-chip .num{font-family:var(--font-num);font-size:24px;font-weight:700;color:#fff;line-height:1.2;letter-spacing:.02em}
.stat-chip .lbl{font-size:13px;color:#A9C0B9;margin-top:4px}

/* 条目卡 */
.entry-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.entry-card:hover{transform:translateY(-2px);border-color:var(--c-accent);box-shadow:var(--sh-hover)}
.entry-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-l)}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.entry-card:hover .entry-thumb img{transform:scale(1.03)}
.entry-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto}
.entry-body h3{font-size:18px;margin-bottom:10px}
.entry-card:hover .entry-body h3{color:var(--c-primary)}
.entry-body .desc{font-size:14px;color:var(--c-text-2);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}
.entry-more{font-size:13px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.entry-more i{transition:transform .18s ease}
.entry-card:hover .entry-more i{transform:translateX(4px)}
.entry-card:hover .entry-more{color:var(--c-accent)}

/* 侧栏 */
.side-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;margin-bottom:24px;
}
.side-title{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-mist);
  text-transform:none;margin-bottom:16px;font-family:var(--font-sans);
}
.side-links li + li{border-top:1px solid var(--c-line)}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 0;font-size:15px;color:var(--c-text);font-weight:500;
}
.side-links a:hover{color:var(--c-accent);padding-left:4px}
.side-links a i{font-size:12px;color:var(--c-mist)}
.hot-list li{display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--c-line)}
.hot-list li:first-child{border-top:0;padding-top:0}
.hot-num{font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--c-mist);flex:0 0 24px;line-height:1.7}
.hot-list a{font-size:14.5px;color:var(--c-text);font-weight:500;line-height:1.6}
.hot-list a:hover{color:var(--c-accent)}
.hot-list li:hover .hot-num{color:var(--c-accent)}
.side-cta{background:var(--c-primary-l);border-color:transparent}
.side-cta h3{font-size:17px;margin-bottom:10px}
.side-cta p{font-size:14px;color:var(--c-text-2);line-height:1.75;margin-bottom:18px}

/* 核对清单 */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.check-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 26px 24px;position:relative;transition:border-color .18s ease,box-shadow .18s ease;
}
.check-item:hover{border-color:var(--c-accent);box-shadow:var(--sh-hover)}
.check-num{
  font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--c-accent);display:block;margin-bottom:12px;
}
.check-item h3{font-size:18px;margin-bottom:10px}
.check-item p{font-size:14.5px;color:var(--c-text-2);line-height:1.8;margin:0}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;background:#fff}
.step{padding:28px 24px;border-left:1px solid var(--c-line);position:relative}
.step:first-child{border-left:0}
.step .idx{font-family:var(--font-serif);font-size:20px;font-weight:700;color:var(--c-primary);display:block;margin-bottom:10px}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:14px;color:var(--c-text-2);line-height:1.75;margin:0}
.step::after{content:"";position:absolute;left:24px;top:0;width:0;height:2px;background:var(--c-accent);transition:width .25s ease}
.step:hover::after{width:calc(100% - 48px)}

/* FAQ */
.faq-wrap{max-width:860px}
.faq-accordion .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--c-line)}
.faq-accordion .accordion-item:first-child{border-top:1px solid var(--c-line)}
.faq-accordion .accordion-button{
  background:transparent;box-shadow:none;border-radius:0;
  font-size:16px;font-weight:600;color:var(--c-text);
  padding:20px 48px 20px 18px;border-left:4px solid transparent;
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.faq-accordion .accordion-button:not(.collapsed){
  background:var(--c-primary-l);color:var(--c-primary);border-left-color:var(--c-accent);
}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:2px solid rgba(226,97,58,.4);outline-offset:-2px}
.faq-accordion .accordion-button::after{
  width:14px;height:14px;background-size:14px;margin-left:auto;position:absolute;right:20px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 2v12M2 8h12' stroke='%236E8F86' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  transition:transform .18s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  transform:rotate(180deg);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M2 8h12' stroke='%23E2613A' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
}
.faq-accordion .accordion-body{padding:4px 24px 22px 22px;font-size:15px;line-height:1.85;color:var(--c-text-2)}

/* CTA 带 */
.cta-band{
  position:relative;background:var(--c-primary-d);color:#fff;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 8px);
}
.cta-inner{position:relative;z-index:2;padding:56px 0;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:26px}
.cta-inner p{color:#B9CCC5;font-size:15px;margin:10px 0 0;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-footer{
  background:var(--c-primary-d);color:#C8D6D0;
  border-top:1px solid var(--c-accent);
  padding:64px 0 0;font-size:14px;
}
.site-footer .brand-mark{background:var(--c-accent)}
.site-footer .brand-text{color:#fff}
.footer-desc{font-size:14px;color:#9FB5AE;line-height:1.8;margin:16px 0 0;max-width:320px}
.footer-title{font-size:13px;letter-spacing:.08em;color:#8FA9A1;font-weight:700;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#C8D6D0;font-size:14px}
.footer-links a:hover{color:var(--c-accent)}
.footer-contact li{display:flex;gap:10px;color:#9FB5AE;font-size:13.5px;line-height:1.75;margin-bottom:12px}
.footer-contact i{color:var(--c-accent);margin-top:5px;flex:0 0 auto}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#8FA9A1;
}

/* 移动端 offcanvas */
.mobile-nav{width:82vw;max-width:340px;background:#fff;border-left:1px solid var(--c-line)}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--c-line);padding:16px 20px}
.mobile-nav .offcanvas-body{padding:16px 20px}
.mobile-group-title{font-size:12px;letter-spacing:.1em;color:var(--c-mist);font-weight:700;margin:12px 0 8px}
.mobile-link{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 12px;border-radius:10px;font-size:15px;color:var(--c-text);font-weight:500;
}
.mobile-link:hover{background:var(--c-primary-l);color:var(--c-primary)}
.mobile-link.active{background:var(--c-primary-l);color:var(--c-primary);font-weight:600}
.mobile-foot{padding:16px 20px 24px;border-top:1px solid var(--c-line)}
.mobile-foot .btn-mk{width:100%}

/* 响应式 */
@media (max-width:1199.98px){
  h1{font-size:36px}
  .page-banner h1{font-size:34px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(3){border-left:0}
  .step:nth-child(n+3){border-top:1px solid var(--c-line)}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .header-actions .btn-mk{display:none}
  .menu-toggle{display:inline-flex}
  .banner-grid{flex-direction:column;align-items:flex-start}
  .banner-stats{flex-wrap:wrap}
  .section,.section-alt{padding:56px 0}
  .check-grid{grid-template-columns:1fr}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .container{padding-left:16px;padding-right:16px}
  .header-inner{height:56px}
  .brand-mark{width:32px;height:32px;font-size:13px;border-radius:9px}
  .brand-text{font-size:15.5px}
  h1{font-size:28px}
  h2{font-size:22px}
  h3{font-size:17px}
  .page-banner h1{font-size:26px}
  .banner-inner{padding:28px 0 32px;min-height:222px}
  .banner-desc{font-size:15px}
  .section,.section-alt{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
  .steps{grid-template-columns:1fr}
  .step{border-left:0;border-top:1px solid var(--c-line)}
  .step:first-child{border-top:0}
  .cta-inner{padding:44px 0;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn-mk{width:100%}
  .entry-card:hover{transform:none}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:519.98px){
  .page-banner h1{font-size:23px}
  .stat-chip{min-width:0;flex:1 1 46%;padding:12px 14px}
}

/* roulang page: category2 */
:root{
  --c-primary:#16453A;
  --c-primary-d:#0E2E27;
  --c-primary-l:#E6EEE9;
  --c-accent:#E2613A;
  --c-mist:#6E8F86;
  --c-bg:#F7F6F2;
  --c-card:#FFFFFF;
  --c-text:#1C1F1D;
  --c-text-2:#5A6360;
  --c-line:#E3E7E3;
  --c-error:#B5453A;
  --c-success:#2F7D5B;
  --c-row-hover:#FBFAF7;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:6px;
  --r-input:10px;
  --r-banner:16px;
  --sh-hover:0 8px 24px rgba(22,69,58,.10);
  --sh-pop:0 16px 40px rgba(14,46,39,.16);
  --sh-nav:0 4px 16px rgba(0,0,0,.05);
  --w-container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
}
h1,h2,h3,h4,.serif{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  color:var(--c-primary);
  margin:0;
  letter-spacing:.01em;
}
p{margin:0 0 1em;}
a{color:var(--c-primary);text-decoration:none;}
a:hover{color:var(--c-accent);}
img{max-width:100%;height:auto;display:block;}
ul{list-style:none;margin:0;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{max-width:var(--w-container);padding-left:24px;padding-right:24px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--c-bg);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-nav);}
.nav-inner{
  height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary);
  color:#fff;
  border-radius:8px;
  font-family:"Inter",system-ui,sans-serif;
  font-weight:600;
  font-size:14px;
  letter-spacing:.06em;
}
.brand-text{
  font-family:"Noto Serif SC",serif;
  font-weight:700;
  font-size:18px;
  color:var(--c-primary);
  letter-spacing:.02em;
}
a.brand:hover .brand-text{color:var(--c-accent);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links > a{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  color:var(--c-text);
  font-weight:500;
  line-height:1.2;
  transition:color .18s ease;
}
.nav-links > a::after{
  content:"";
  position:absolute;
  left:50%;right:50%;
  bottom:2px;
  height:2px;
  background:var(--c-accent);
  transition:left .18s ease,right .18s ease;
}
.nav-links > a:hover{color:var(--c-primary);}
.nav-links > a:hover::after{left:14px;right:14px;}
.nav-links > a.active{color:var(--c-primary);font-weight:600;}
.nav-links > a.active::after{left:14px;right:14px;}
.nav-actions{display:flex;align-items:center;gap:12px;}

/* ============ 按钮 ============ */
.btn-brand,.btn-ghost,.btn-white-line{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:40px;
  padding:0 20px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-brand{background:var(--c-accent);color:#fff;}
.btn-brand:hover{background:#c9502c;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-brand:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary);}
.btn-white-line{background:transparent;border-color:rgba(255,255,255,.7);color:#fff;}
.btn-white-line:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-lg-brand{height:48px;padding:0 28px;font-size:16px;}
.btn-sm-brand{height:32px;padding:0 14px;font-size:13px;font-weight:600;}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--c-line);
  background:#fff;
  border-radius:var(--r-btn);
  color:var(--c-primary);
  font-size:16px;
}
.nav-toggle:hover{border-color:var(--c-primary);}

/* ============ 移动端 offcanvas ============ */
.offcanvas.mobile-nav{width:82vw;background:#fff;}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--c-line);padding:16px 20px;}
.mobile-nav .offcanvas-body{padding:16px 20px 24px;display:flex;flex-direction:column;}
.mobile-nav .group-title{font-size:12px;letter-spacing:.1em;color:var(--c-mist);margin:8px 0 8px;}
.mobile-nav a.m-link{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;
  border-bottom:1px solid var(--c-line);
  color:var(--c-text);
  font-size:16px;
}
.mobile-nav a.m-link.active{color:var(--c-accent);font-weight:600;}
.mobile-nav .m-cta{margin-top:auto;padding-top:20px;}
.mobile-nav .m-cta .btn-brand,.mobile-nav .m-cta .btn-ghost{width:100%;height:48px;}

/* ============ 通用区块 ============ */
.section{padding:72px 0;}
.section-alt{background:var(--c-primary-l);}
.section-line{border-top:1px solid var(--c-line);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--c-mist);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:1px;background:var(--c-mist);display:inline-block;}
.h2{font-size:27px;line-height:1.35;font-weight:700;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head .sub{font-size:14px;color:var(--c-text-2);margin-top:10px;line-height:1.7;}
.text-link{
  font-size:14px;
  font-weight:600;
  color:var(--c-primary);
  border-bottom:1px solid var(--c-line);
  padding-bottom:2px;
  transition:color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.text-link:hover{color:var(--c-accent);border-color:var(--c-accent);}

/* ============ 顶部横幅：左右两栏 ============ */
.cat-banner{
  padding:44px 0 0;
  background:var(--c-bg);
}
.crumb{font-size:13px;color:var(--c-text-2);margin-bottom:18px;}
.crumb a{color:var(--c-primary);}
.crumb a:hover{color:var(--c-accent);}
.crumb .sep{margin:0 7px;color:var(--c-mist);}
.crumb .now{color:var(--c-text-2);}
.cat-banner h1{font-size:40px;line-height:1.25;font-weight:700;}
.cat-banner .lead{
  font-size:16px;
  color:var(--c-text-2);
  margin:16px 0 24px;
  max-width:520px;
  line-height:1.85;
}
.banner-figure{
  border-radius:var(--r-banner);
  overflow:hidden;
  border:1px solid var(--c-line);
  background:#fff;
  aspect-ratio:16/9;
}
.banner-figure img{width:100%;height:100%;object-fit:cover;}
.banner-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 18px;
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-text-2);
}
.banner-meta span{display:inline-flex;align-items:center;gap:7px;}
.banner-meta i{color:var(--c-mist);}

/* ============ 长列表 ============ */
.entry-list{border-top:1px solid var(--c-line);}
.entry-row{
  display:flex;
  align-items:center;
  gap:22px;
  padding:22px 8px;
  border-bottom:1px solid var(--c-line);
  color:var(--c-text);
  transition:background-color .18s ease,border-color .18s ease;
}
.entry-num{
  flex:0 0 auto;
  min-width:40px;
  font-family:"Inter",system-ui,sans-serif;
  font-size:16px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--c-mist);
  transition:color .18s ease;
}
.entry-body{flex:1 1 auto;min-width:0;}
.entry-title{
  font-family:"Noto Serif SC",serif;
  font-size:18px;
  font-weight:600;
  color:var(--c-primary);
  line-height:1.45;
  transition:color .18s ease;
}
.entry-sum{
  font-size:14px;
  color:var(--c-text-2);
  line-height:1.7;
  margin-top:4px;
}
.entry-arrow{
  flex:0 0 auto;
  color:var(--c-mist);
  font-size:15px;
  transition:transform .18s ease,color .18s ease;
}
.entry-row:hover{background:var(--c-row-hover);}
.entry-row:hover .entry-num{color:var(--c-accent);}
.entry-row:hover .entry-title{color:var(--c-accent);}
.entry-row:hover .entry-arrow{transform:translateX(4px);color:var(--c-accent);}

/* ============ 标签云 ============ */
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:32px;
  padding-top:28px;
  border-top:1px solid var(--c-line);
}
.tag-cloud .cloud-label{
  font-size:13px;
  letter-spacing:.1em;
  color:var(--c-mist);
  display:inline-flex;
  align-items:center;
  margin-right:6px;
}
.tag-cloud a{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 14px;
  background:var(--c-primary-l);
  color:var(--c-primary);
  border-radius:var(--r-badge);
  font-size:13px;
  transition:background-color .18s ease,color .18s ease;
}
.tag-cloud a:hover{background:var(--c-primary);color:#fff;}

/* ============ 要点列表（左色条） ============ */
.point-item{
  position:relative;
  background:#fff;
  border:1px solid var(--c-line);
  border-left:4px solid var(--c-primary);
  border-radius:var(--r-card);
  padding:20px 22px;
  height:100%;
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.point-item:hover{border-left-color:var(--c-accent);transform:translateY(-2px);box-shadow:var(--sh-hover);}
.point-item h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.point-item p{font-size:14px;color:var(--c-text-2);margin:0;line-height:1.8;}

/* ============ 处理顺序 ============ */
.step-line{
  display:flex;
  flex-wrap:wrap;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:#fff;
}
.step-cell{
  flex:1 1 25%;
  min-width:220px;
  padding:24px 22px;
  border-right:1px solid var(--c-line);
}
.step-cell:last-child{border-right:none;}
.step-no{
  font-family:"Noto Serif SC",serif;
  font-size:15px;
  font-weight:700;
  color:var(--c-accent);
  letter-spacing:.1em;
  display:block;
  margin-bottom:10px;
}
.step-cell h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.step-cell p{font-size:13.5px;color:var(--c-text-2);margin:0;line-height:1.75;}

/* ============ FAQ ============ */
.faq-acc .accordion-item{
  background:transparent;
  border:none;
  border-bottom:1px solid var(--c-line);
  border-radius:0;
}
.faq-acc .accordion-button{
  background:transparent;
  color:var(--c-primary);
  font-family:"Noto Serif SC",serif;
  font-size:16px;
  font-weight:600;
  padding:22px 44px 22px 20px;
  border-radius:0;
  box-shadow:none;
  line-height:1.6;
}
.faq-acc .accordion-button:not(.collapsed){
  background:var(--c-primary-l);
  color:var(--c-primary);
  box-shadow:inset 4px 0 0 var(--c-accent);
}
.faq-acc .accordion-button:focus{box-shadow:none;}
.faq-acc .accordion-button::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:15px;
  color:var(--c-accent);
  background-image:none;
  width:auto;height:auto;
  transform:none;
  transition:transform .18s ease;
  position:absolute;
  right:20px;
}
.faq-acc .accordion-button:not(.collapsed)::after{
  content:"\f068";
  transform:rotate(180deg);
}
.faq-acc .accordion-body{
  padding:4px 44px 24px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--c-text-2);
}

/* ============ 深色 CTA 带 ============ */
.cta-band{
  position:relative;
  background-color:var(--c-primary-d);
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-color:rgba(14,46,39,.93);
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 1px,transparent 1px 8px);
}
.cta-band .container{position:relative;z-index:2;}
.cta-inner{
  padding:56px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  border-top:1px solid rgba(226,97,58,.5);
}
.cta-band h2{
  color:#fff;
  font-size:24px;
  line-height:1.4;
  font-weight:700;
}
.cta-band p{color:#C8D6D0;font-size:14px;margin:10px 0 0;max-width:560px;line-height:1.8;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-primary-d);
  border-top:1px solid rgba(226,97,58,.55);
  padding:56px 0 0;
  color:#C8D6D0;
}
.site-footer .brand{margin-bottom:14px;}
.site-footer .brand-mark{background:#fff;color:var(--c-primary-d);}
.site-footer .brand-text{color:#fff;}
.footer-desc{font-size:13.5px;line-height:1.8;color:#A9BDB6;margin:0;max-width:300px;}
.footer-title{
  font-size:13px;
  letter-spacing:.08em;
  color:#fff;
  font-weight:600;
  margin-bottom:16px;
}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  font-size:14px;
  color:#C8D6D0;
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.footer-links a:hover{color:var(--c-accent);border-color:var(--c-accent);}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:13.5px;
  line-height:1.75;
  margin-bottom:12px;
  color:#A9BDB6;
}
.footer-contact i{margin-top:5px;color:var(--c-accent);font-size:12px;}
.footer-bottom{
  margin-top:44px;
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:#8FA6A0;
  flex-wrap:wrap;
}

/* ============ 响应式 ============ */
@media (min-width:1200px){
  .cat-banner h1{font-size:44px;}
}
@media (max-width:1199.98px){
  .cat-banner h1{font-size:36px;}
  .step-cell{flex:1 1 50%;}
  .step-cell:nth-child(2){border-right:none;}
  .step-cell:nth-child(1),.step-cell:nth-child(2){border-bottom:1px solid var(--c-line);}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .section{padding:56px 0;}
  .cat-banner{padding-top:32px;}
  .cat-banner h1{font-size:32px;}
  .banner-figure{margin-top:28px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .h2{font-size:23px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:44px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn-white-line{flex:1 1 auto;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .container{padding-left:16px;padding-right:16px;}
  .nav-inner{height:56px;}
  .brand-text{font-size:16px;}
  .btn-sm-brand{display:none;}
  .cat-banner{padding-top:24px;}
  .cat-banner h1{font-size:28px;}
  .cat-banner .lead{font-size:15px;margin-bottom:20px;}
  .section{padding:48px 0;}
  .entry-row{gap:14px;padding:18px 4px;align-items:flex-start;}
  .entry-num{min-width:32px;font-size:15px;padding-top:2px;}
  .entry-title{font-size:16.5px;}
  .entry-arrow{display:none;}
  .step-cell{flex:1 1 100%;min-width:0;border-right:none;border-bottom:1px solid var(--c-line);}
  .step-cell:last-child{border-bottom:none;}
  .faq-acc .accordion-button{font-size:15.5px;padding:18px 40px 18px 14px;}
  .faq-acc .accordion-body{padding:2px 24px 20px 14px;font-size:14.5px;}
  .cta-band h2{font-size:20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
}
@media (max-width:519.98px){
  .cat-banner h1{font-size:26px;}
  .entry-sum{font-size:13.5px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn-white-line{width:100%;}
}
@media (hover:none){
  .entry-row:hover{background:transparent;}
  .entry-row:hover .entry-arrow{transform:none;}
  .entry-row:hover .entry-title{color:var(--c-primary);}
  .point-item:hover{transform:none;box-shadow:none;}
}