/* roulang page: index */
:root{
  --c-primary:#0B3B2E;
  --c-primary-600:#0F4E3C;
  --c-primary-100:#DCEAE3;
  --c-accent:#F2612C;
  --c-lime:#B7E04A;
  --c-bg:#F6F7F3;
  --c-surface:#FFFFFF;
  --c-dark:#082A20;
  --c-ink:#16211C;
  --c-ink-2:#4A574F;
  --c-line:#E1E5DE;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --shadow-base:0 1px 2px rgba(11,59,46,.06),0 8px 24px rgba(11,59,46,.08);
  --shadow-hover:0 14px 32px rgba(11,59,46,.12);
  --bs-primary:#0B3B2E;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-border-radius:14px;
  --bs-body-color:#16211C;
  --bs-body-bg:#F6F7F3;
  --bs-link-color:#0B3B2E;
  --bs-link-hover-color:#F2612C;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--c-bg);color:var(--c-ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.8;letter-spacing:.01em;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{line-height:1.18;margin:0;color:var(--c-ink);}
p{margin:0;letter-spacing:.01em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

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

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;background:#fff;border-bottom:1px solid transparent;
  transition:background .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:0 6px 20px rgba(11,59,46,.07);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px;}
.nav-left{display:flex;align-items:center;gap:28px;flex:0 0 auto;min-width:0;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--c-primary);letter-spacing:.01em;white-space:nowrap;}
.brand:hover{color:var(--c-primary-600);}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;flex:0 0 auto;
  position:relative;overflow:hidden;
}
.brand-mark::after{content:"";position:absolute;inset:auto 0 0 0;height:4px;background:var(--c-accent);}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;color:var(--c-ink-2);font-weight:500;
  border-radius:8px;transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--c-primary);background:var(--c-primary-100);}
.nav-links a.active{color:var(--c-primary);font-weight:600;}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;background:var(--c-accent);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-search{
  position:relative;display:flex;align-items:center;height:40px;width:230px;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-input);transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search i{position:absolute;left:12px;color:var(--c-ink-2);font-size:13px;}
.nav-search input{
  border:0;outline:0;background:transparent;width:100%;height:100%;padding:0 12px 0 34px;font-size:14px;color:var(--c-ink);
}
.nav-search input::placeholder{color:#8C978F;}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(11,59,46,.14);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:active{box-shadow:inset 0 1px 2px rgba(0,0,0,.14);}
.btn-primary-x{background:var(--c-primary);color:#fff;}
.btn-primary-x:hover{background:var(--c-primary-600);color:#fff;box-shadow:var(--shadow-hover);}
.btn-outline-x{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-outline-x:hover{background:var(--c-primary-100);color:var(--c-primary-600);border-color:var(--c-primary-600);}
.btn-accent-x{background:var(--c-accent);color:#fff;}
.btn-accent-x:hover{background:#D9501F;color:#fff;box-shadow:0 12px 26px rgba(242,97,44,.28);}
.btn-ghost-x{background:transparent;color:var(--c-primary);border:0;padding:0 4px;height:auto;text-decoration:underline;text-underline-offset:3px;}
.btn-ghost-x:hover{color:var(--c-accent);}
.btn-sm-x{height:38px;padding:0 16px;font-size:14px;}
.btn-block-x{width:100%;}
.nav-cta{height:40px;padding:0 18px;font-size:14px;}
.hamburger{
  display:none;width:40px;height:40px;border:1px solid var(--c-line);background:#fff;border-radius:10px;
  align-items:center;justify-content:center;color:var(--c-primary);font-size:16px;cursor:pointer;
}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:290px;max-width:86vw;background:#fff;z-index:1200;
  transform:translateX(102%);transition:transform .24s ease;padding:22px 20px;box-shadow:-14px 0 34px rgba(11,59,46,.16);
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:38px;height:38px;border:1px solid var(--c-line);background:#fff;border-radius:10px;color:var(--c-primary);cursor:pointer;}
.drawer nav{display:flex;flex-direction:column;gap:4px;}
.drawer nav a{padding:12px 10px;border-radius:10px;color:var(--c-ink-2);font-size:15px;border-bottom:1px solid var(--c-line);}
.drawer nav a.active{color:var(--c-primary);font-weight:600;background:var(--c-primary-100);}
.backdrop{position:fixed;inset:0;background:rgba(8,42,32,.42);z-index:1100;opacity:0;pointer-events:none;transition:opacity .22s ease;}
.backdrop.show{opacity:1;pointer-events:auto;}

/* ---------- Hero ---------- */
.hero{padding:calc(64px + 32px) 0 72px;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;left:0;right:0;top:64px;height:1px;background:var(--c-line);
}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:24px;align-items:center;min-height:520px;position:relative;z-index:1;}
.hero-label{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;
  background:var(--c-lime);color:#1B3B12;font-size:12px;font-weight:700;margin-bottom:18px;
}
.hero h1{font-size:40px;font-weight:800;letter-spacing:.005em;margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--c-primary);position:relative;}
.hero-sub{font-size:16px;color:var(--c-ink-2);max-width:560px;margin-bottom:26px;line-height:1.8;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;border-top:1px solid var(--c-line);padding-top:20px;}
.hero-stats div span{display:block;font-size:13px;color:var(--c-ink-2);}
.hero-stats div strong{font-size:24px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.hero-visual{position:relative;border-radius:var(--r-img);overflow:hidden;min-height:420px;height:100%;}
.hero-visual img{width:100%;height:100%;min-height:420px;object-fit:cover;border-radius:var(--r-img);}
.hero-visual::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:200px;height:200px;background:var(--c-primary);
  transform:rotate(12deg);opacity:.92;border-radius:18px;
}
.hero-visual .hero-chip{
  position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.96);border-radius:12px;
  padding:12px 16px;font-size:13px;color:var(--c-ink-2);box-shadow:var(--shadow-base);z-index:2;max-width:78%;
}
.hero-visual .hero-chip strong{display:block;color:var(--c-ink);font-size:15px;font-weight:700;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--c-surface);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:30px;font-weight:700;position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-accent);
}
.section-head p{font-size:15px;color:var(--c-ink-2);max-width:560px;}
.eyebrow{font-size:13px;font-weight:700;color:var(--c-accent);letter-spacing:.08em;margin-bottom:8px;text-transform:uppercase;}

/* ---------- 主题封面区 ---------- */
.cover-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:200px;gap:24px;}
.cover-card{
  position:relative;border-radius:var(--r-card);overflow:hidden;background:var(--c-dark);
  display:block;border:1px solid var(--c-line);
}
.cover-card.span-row{grid-row:span 2;}
.cover-card img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;opacity:.86;}
.cover-card:hover img{transform:scale(1.04);}
.cover-card .cover-body{
  position:absolute;left:0;right:0;bottom:0;padding:18px;
  background:linear-gradient(180deg,rgba(8,42,32,0) 0%,rgba(8,42,32,.86) 62%);
  color:#fff;
}
.cover-card .cover-body h3{font-size:18px;color:#fff;margin-bottom:8px;font-weight:600;}
.cover-card .cover-body .meta{font-size:13px;color:rgba(255,255,255,.78);display:flex;gap:10px;align-items:center;}
.cover-card .badge-x{position:absolute;top:14px;left:14px;}
.badge-x{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  background:var(--c-primary-100);color:var(--c-primary);font-size:12px;font-weight:600;
}
.badge-x.badge-lime{background:var(--c-lime);color:#1B3B12;}

/* ---------- 合集目录区 ---------- */
.catalog{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 32px;}
.catalog-item{
  display:flex;align-items:flex-start;gap:16px;padding:22px 14px;border-bottom:1px solid var(--c-line);
  border-radius:10px;transition:background .18s ease;
}
.catalog-item:hover{background:var(--c-primary-100);}
.catalog-item .idx{font-size:26px;font-weight:800;color:var(--c-accent);font-variant-numeric:tabular-nums;line-height:1;min-width:46px;}
.catalog-item h3{font-size:21px;font-weight:600;margin-bottom:6px;}
.catalog-item .meta{font-size:13px;color:var(--c-ink-2);font-variant-numeric:tabular-nums;}
.catalog-item .arrow{margin-left:auto;color:var(--c-primary);font-size:14px;padding-top:4px;}

/* ---------- 资讯列表 ---------- */
.news-list{display:flex;flex-direction:column;gap:20px;}
.news-row{
  display:grid;grid-template-columns:280px 1fr;gap:20px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow-base);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#CFDACF;}
.news-thumb{position:relative;border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;background:var(--c-primary-100);}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body{display:flex;flex-direction:column;gap:8px;min-width:0;}
.news-body h3{font-size:18px;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-row:hover .news-body h3{color:var(--c-primary-600);}
.news-body .summary{
  font-size:15px;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--c-ink-2);border-top:1px solid var(--c-line);padding-top:12px;
}
.news-meta span{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;}
.empty-state{
  min-height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);text-align:center;padding:28px;
}
.empty-state i{font-size:44px;color:rgba(11,59,46,.4);}
.empty-state p{font-size:15px;color:var(--c-ink-2);}

/* ---------- 精选条目 ---------- */
.pick-grid{display:grid;grid-template-columns:5fr 3.5fr 3.5fr;gap:28px;}
.pick-col{border-left:3px solid var(--c-primary);padding-left:18px;}
.pick-col h3{font-size:21px;margin-bottom:16px;font-weight:600;}
.pick-col li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--c-line);}
.pick-col li:last-child{border-bottom:0;}
.pick-col .p-num{font-size:13px;font-weight:700;color:var(--c-accent);font-variant-numeric:tabular-nums;min-width:24px;}
.pick-col .p-title{font-size:16px;font-weight:600;color:var(--c-ink);display:block;margin-bottom:4px;}
.pick-col .p-desc{font-size:14px;color:var(--c-ink-2);}
.pick-col a:hover .p-title{color:var(--c-primary-600);}

/* ---------- 相关推荐 ---------- */
.rec-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.rec-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-base);transition:transform .2s ease,box-shadow .2s ease;
}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.rec-card .rec-img{aspect-ratio:4/3;overflow:hidden;background:var(--c-primary-100);}
.rec-card .rec-img img{width:100%;height:100%;object-fit:cover;}
.rec-card .rec-body{padding:16px;}
.rec-card h3{font-size:17px;font-weight:600;margin:10px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-card .rec-time{font-size:13px;color:var(--c-ink-2);font-variant-numeric:tabular-nums;}

/* ---------- FAQ ---------- */
.faq-wrap{border:1px solid var(--c-line);border-radius:var(--r-card);background:var(--c-surface);overflow:hidden;}
.faq-item + .faq-item{border-top:1px solid var(--c-line);}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;cursor:pointer;
  padding:20px 22px;display:flex;align-items:center;gap:14px;font-size:16px;font-weight:600;color:var(--c-ink);
  transition:background .18s ease,border-color .18s ease;border-left:3px solid transparent;
}
.faq-q:hover{background:var(--c-bg);}
.faq-item.open .faq-q{border-left-color:var(--c-accent);background:#FBFCFA;}
.faq-q .chev{margin-left:auto;color:var(--c-ink-2);transition:transform .2s ease;font-size:13px;}
.faq-item.open .chev{transform:rotate(180deg);color:var(--c-accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;border-left:3px solid transparent;}
.faq-item.open .faq-a{border-left-color:var(--c-accent);}
.faq-a p{padding:0 22px 20px 22px;font-size:15px;color:var(--c-ink-2);}

/* ---------- CTA 深色条 ---------- */
.cta-bar{background:var(--c-dark);color:#fff;padding:64px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{font-size:28px;color:#fff;font-weight:700;margin-bottom:6px;}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.68);}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn-outline-w{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-outline-w:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff;}
.cta-bar .btn:focus-visible{outline-color:var(--c-lime);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#fff;border-top:1px solid rgba(255,255,255,.12);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.footer-brand .f-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-brand .f-logo span.mark{
  width:30px;height:30px;border-radius:8px;background:var(--c-accent);color:#fff;display:flex;align-items:center;
  justify-content:center;font-size:13px;font-weight:800;
}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.66);line-height:1.9;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-col a{display:block;font-size:14px;line-height:2.1;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--c-lime);}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:13px;color:rgba(255,255,255,.6);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
}

/* ---------- 动效与响应式 ---------- */
@media (max-width:1199.98px){
  .nav-search{width:180px;}
  .hero h1{font-size:36px;}
  .rec-row{grid-template-columns:repeat(3,minmax(0,1fr));}
  .pick-grid{grid-template-columns:1fr 1fr 1fr;gap:22px;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .hamburger{display:flex;}
  .nav-search{display:none;}
  .hero{padding:calc(64px + 26px) 0 56px;}
  .hero-grid{grid-template-columns:1fr;min-height:auto;gap:28px;}
  .hero-visual{order:-1;min-height:300px;}
  .hero-visual img{min-height:300px;}
  .section{padding:64px 0;}
  .section-tight{padding:52px 0;}
  .cover-grid{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:180px;}
  .catalog{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rec-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-row{grid-template-columns:220px 1fr;}
  .pick-grid{grid-template-columns:1fr;}
}
@media (max-width:767.98px){
  .container-x{padding:0 18px;}
  .hero h1{font-size:28px;}
  .section-head h2{font-size:23px;}
  .section{padding:48px 0;}
  .section-tight{padding:42px 0;}
  .news-row{grid-template-columns:1fr;padding:16px;}
  .news-body .summary{display:none;}
  .news-meta{border-top:1px solid var(--c-line);}
  .cover-grid{grid-template-columns:1fr;grid-auto-rows:210px;}
  .cover-card.span-row{grid-row:span 1;}
  .catalog{grid-template-columns:1fr;}
  .rec-row{display:flex;overflow-x:auto;gap:16px;padding-bottom:8px;-webkit-overflow-scrolling:touch;}
  .rec-card{flex:0 0 78%;}
  .hero-stats{grid-template-columns:1fr;gap:10px;}
  .hero-stats div{display:flex;align-items:baseline;gap:10px;}
  .cta-inner{flex-direction:column;align-items:stretch;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;text-align:left;gap:24px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .btn{width:100%;}
  .nav-cta{width:auto;}
  .hero-actions .btn{width:100%;}
}
@media (max-width:575.98px){
  .rec-card{flex:0 0 86%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: article */
:root{
  --c-primary:#0B3B2E;
  --c-primary-600:#0F4E3C;
  --c-primary-100:#DCEAE3;
  --c-accent:#F2612C;
  --c-accent-600:#D9531F;
  --c-lime:#B7E04A;
  --c-bg:#F6F7F3;
  --c-surface:#FFFFFF;
  --c-dark:#082A20;
  --c-ink:#16211C;
  --c-ink-2:#4A574F;
  --c-line:#E1E5DE;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-field:10px;
  --r-badge:999px;
  --sh-static:0 1px 2px rgba(11,59,46,.06),0 8px 24px rgba(11,59,46,.08);
  --sh-hover:0 14px 32px rgba(11,59,46,.12);
  --nav-h:64px;
  --bs-primary:#0B3B2E;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-border-radius:14px;
  --bs-link-color:#0B3B2E;
  --bs-link-hover-color:#F2612C;
  --bs-body-color:#16211C;
  --bs-body-bg:#F6F7F3;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{margin:0;color:var(--c-ink);line-height:1.18}
h1{font-size:40px;font-weight:800}
h2{font-size:30px;font-weight:700}
h3{font-size:21px;font-weight:600}
p{margin:0 0 1.2em}
ul,ol{margin:0 0 1.2em;padding-left:1.5em}
button{font-family:inherit}
.num,.meta time,.idx{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container-x{max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 按钮体系 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all .18s ease;
}
.btn-x i{font-size:14px}
.btn-x:active{box-shadow:inset 0 1px 2px rgba(0,0,0,.22)}
.btn-primary-x{background:var(--c-primary);color:#fff}
.btn-primary-x:hover{background:var(--c-primary-600);color:#fff;box-shadow:var(--sh-hover)}
.btn-outline-x{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-outline-x:hover{background:var(--c-primary-100);color:var(--c-primary-600);border-color:var(--c-primary-600)}
.btn-ghost-x{
  background:transparent;color:var(--c-primary);padding:0 4px;height:auto;
  text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;
}
.btn-ghost-x:hover{color:var(--c-accent)}
.btn-accent-x{background:var(--c-accent);color:#fff}
.btn-accent-x:hover{background:var(--c-accent-600);color:#fff;box-shadow:var(--sh-hover)}
.btn-light-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-light-outline:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-sm-x{height:38px;padding:0 16px;font-size:14px}

/* ============ 徽章 / 标签 ============ */
.badge-x{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-badge);font-size:12px;font-weight:600;
  background:var(--c-primary-100);color:var(--c-primary);white-space:nowrap;
}
.badge-lime{background:var(--c-lime);color:var(--c-dark)}
.badge-ghost{background:rgba(255,255,255,.14);color:#fff}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;background:rgba(246,247,243,.94);
  border-bottom:1px solid transparent;transition:background-color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--c-line);box-shadow:0 2px 14px rgba(11,59,46,.07)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--nav-h)}
.brand-area{display:flex;align-items:center;gap:32px;min-width:0;flex:1 1 62%}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);flex:0 0 auto}
.brand:hover{color:var(--c-ink)}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:24px;min-width:0}
.nav-links a{
  position:relative;font-size:15px;color:var(--c-ink-2);padding:6px 0;white-space:nowrap;
}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a.active{color:var(--c-primary);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--c-accent);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:14px;flex:1 1 38%;justify-content:flex-end}
.search-box{position:relative;width:230px}
.search-box i{position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--c-ink-2)}
.search-box input{
  width:100%;height:40px;padding:0 12px 0 34px;font-size:14px;color:var(--c-ink);
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-field);transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box input::placeholder{color:#8A968E}
.search-box input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(11,59,46,.2)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  background:#fff;color:var(--c-primary);font-size:16px;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--c-primary)}

/* 移动抽屉 */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(8,42,32,.45);opacity:0;visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;z-index:1050;
}
.drawer-overlay.open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:290px;max-width:86vw;background:#fff;z-index:1060;
  transform:translateX(100%);transition:transform .24s ease;padding:20px;overflow-y:auto;
  border-left:1px solid var(--c-line);
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head span{font-weight:700;color:var(--c-ink)}
.drawer-close{width:36px;height:36px;border-radius:var(--r-btn);border:1px solid var(--c-line);background:#fff;color:var(--c-primary)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.drawer-nav a{padding:12px 10px;border-radius:var(--r-btn);font-size:15px;color:var(--c-ink-2)}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--c-primary-100);color:var(--c-primary);font-weight:600}
.drawer-cta{display:block;text-align:center}

/* ============ 主体 ============ */
.page-main{padding:32px 0 0}

/* 面包屑 */
.breadcrumb-bar{border-bottom:1px solid var(--c-line);background:var(--c-surface)}
.breadcrumb-inner{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--c-ink-2)}
.breadcrumb-inner a{color:var(--c-ink-2)}
.breadcrumb-inner a:hover{color:var(--c-accent)}
.breadcrumb-inner .sep{color:#A9B4AC}
.breadcrumb-inner .current{color:var(--c-ink-2);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章头 */
.article-head{padding:48px 0 32px;background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.article-head .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-accent);margin-bottom:16px;
}
.article-head .kicker::before{content:"";width:20px;height:2px;background:var(--c-accent);border-radius:2px}
.article-head h1{max-width:900px;margin-bottom:22px}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;
  padding:14px 0;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-2);
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-row .divider{width:1px;height:14px;background:var(--c-line)}
.share-group{margin-left:auto;display:flex;align-items:center;gap:8px}
.share-group button{
  width:34px;height:34px;border-radius:var(--r-btn);border:1px solid var(--c-line);background:#fff;
  color:var(--c-ink-2);font-size:13px;display:inline-flex;align-items:center;justify-content:center;transition:all .18s ease;
}
.share-group button:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-100)}

/* 长文目录 */
.toc-wrap{max-width:760px;margin:32px auto 0}
.toc-box{border:1px solid var(--c-line);border-radius:var(--r-card);background:var(--c-surface);overflow:hidden}
.toc-box summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;font-size:15px;font-weight:600;color:var(--c-primary);
}
.toc-box summary::-webkit-details-marker{display:none}
.toc-box summary .fa-chevron-down{transition:transform .2s ease;font-size:12px}
.toc-box[open] summary .fa-chevron-down{transform:rotate(180deg)}
.toc-box[open] summary{border-left:3px solid var(--c-accent)}
.toc-list{padding:6px 20px 18px;border-top:1px solid var(--c-line)}
.toc-list a{display:block;padding:7px 0;font-size:14px;color:var(--c-ink-2)}
.toc-list a:hover{color:var(--c-accent)}

/* 正文 */
.article-body{padding:40px 0 24px}
.prose{max-width:760px;margin:0 auto;font-size:17px;line-height:1.9;letter-spacing:.01em;color:var(--c-ink)}
.prose h2{
  font-size:26px;font-weight:700;margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--c-primary);line-height:1.3;
}
.prose h3{font-size:20px;font-weight:600;margin:32px 0 12px}
.prose h4{font-size:17px;font-weight:600;margin:24px 0 10px}
.prose p{margin:0 0 1.2em}
.prose ul,.prose ol{padding-left:1.5em;margin:0 0 1.2em;line-height:1.75}
.prose li{margin-bottom:.5em}
.prose a{text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--c-accent)}
.prose blockquote{
  margin:24px 0;padding:18px 22px;background:var(--c-primary-100);
  border-left:3px solid var(--c-accent);border-radius:0 var(--r-card) var(--r-card) 0;color:var(--c-ink);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:var(--r-img);margin:24px auto}
.prose figure{margin:24px 0;text-align:center}
.prose figcaption{font-size:13px;color:var(--c-ink-2);text-align:center;margin-top:10px}
.prose table{
  width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;font-size:15px;
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;background:#fff;
}
.prose table th,.prose table td{padding:12px 14px;border-bottom:1px solid var(--c-line);text-align:left}
.prose table th{background:var(--c-primary-100);color:var(--c-primary);font-weight:600;font-size:14px}
.prose table tr:last-child td{border-bottom:none}
.prose table tbody tr:nth-child(even){background:#FAFBF8}

/* 空态 */
.empty-state{
  max-width:760px;margin:24px auto 0;min-height:200px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;gap:14px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:40px 24px;
}
.empty-state i{font-size:48px;color:rgba(11,59,46,.4)}
.empty-state p{font-size:15px;color:var(--c-ink-2);margin:0}

/* 文末操作 */
.end-actions{
  max-width:760px;margin:36px auto 0;padding:20px 0;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
}
.end-actions .label{font-size:14px;color:var(--c-ink-2);margin-right:auto}
.back-cat{font-size:14px;font-weight:600;text-decoration:underline;text-underline-offset:3px}

/* 相关推荐 */
.related-section{padding:64px 0}
.section-head{margin-bottom:32px;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px}
.section-head h2{position:relative;padding-left:14px}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;background:var(--c-accent);border-radius:3px}
.section-head .sub{font-size:14px;color:var(--c-ink-2)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card-x{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-static);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.card-x:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#CFD9D1}
.card-thumb{position:relative;aspect-ratio:4/3;overflow:hidden}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card-x:hover .card-thumb img{transform:scale(1.04)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-x:hover .card-body h3{color:var(--c-primary-600)}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-ink-2)}

/* 上一篇下一篇 */
.pager-two{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:0 0 64px}
.pager-two a{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;
  display:flex;flex-direction:column;gap:8px;transition:all .2s ease;box-shadow:var(--sh-static);
}
.pager-two a:hover{border-color:var(--c-primary);box-shadow:var(--sh-hover);transform:translateY(-3px)}
.pager-two .dir{font-size:12px;font-weight:600;color:var(--c-accent);letter-spacing:.06em}
.pager-two .title{font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.5}
.pager-two .text-end{align-items:flex-end;text-align:right}

/* 深色 CTA */
.dark-cta{background:var(--c-dark);color:#fff;padding:64px 0}
.dark-cta .inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.dark-cta h2{color:#fff;font-size:26px;margin-bottom:8px}
.dark-cta p{color:rgba(255,255,255,.72);font-size:15px;margin:0}
.dark-cta .btn-row{display:flex;gap:12px;flex-wrap:wrap}
.dark-cta .btn-x{box-shadow:none}
.dark-cta .btn-light-outline{border-width:1px}

/* 吸底分享条 */
.float-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1030;background:rgba(255,255,255,.97);
  border-top:1px solid var(--c-line);box-shadow:0 -6px 20px rgba(11,59,46,.08);
  transform:translateY(105%);transition:transform .24s ease;
}
.float-bar.show{transform:translateY(0)}
.float-inner{display:flex;align-items:center;gap:12px;padding:12px 0}
.float-inner .hint{font-size:13px;color:var(--c-ink-2);margin-right:auto}
.float-inner .btn-x{flex:0 0 auto}

/* 页脚 */
.site-footer{background:var(--c-dark);color:#fff;padding:56px 0 24px;border-top:1px solid rgba(255,255,255,.12)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:32px}
.footer-brand .f-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-brand .mark{
  width:30px;height:30px;border-radius:9px;background:var(--c-primary-100);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;
}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);margin:0;max-width:34ch}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;line-height:2.1;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--c-accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .related-grid{grid-template-columns:repeat(3,1fr)}
  .search-box{width:180px}
  h1{font-size:36px}
  h2{font-size:28px}
}
@media (max-width:991px){
  .nav-links{display:none}
  .search-box{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-primary-x{display:none}
  .related-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:767px){
  h1{font-size:28px}
  h2{font-size:23px}
  h3{font-size:18px}
  .container-x{padding:0 18px}
  .article-head{padding:32px 0 24px}
  .article-body{padding:28px 0 16px}
  .prose{font-size:16px}
  .prose h2{font-size:22px;margin-top:32px}
  .toc-wrap{display:none}
  .related-grid{grid-template-columns:1fr}
  .related-section{padding:48px 0}
  .pager-two{grid-template-columns:1fr;gap:16px;padding-bottom:48px}
  .dark-cta{padding:48px 0}
  .dark-cta .btn-row{width:100%;flex-direction:column}
  .dark-cta .btn-x{width:100%}
  .float-inner{flex-wrap:wrap}
  .float-inner .hint{width:100%;margin:0 0 4px}
  .card-body{padding:16px}
  .footer-grid{grid-template-columns:1fr;text-align:left}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:575px){
  .meta-row .divider{display:none}
  .share-group{margin-left:0;width:100%}
  .end-actions .label{width:100%;margin-bottom:4px}
}
@media (hover:none){
  .card-x:hover{transform:none;box-shadow:var(--sh-static)}
  .pager-two a:hover{transform:none;box-shadow:var(--sh-static)}
}

/* roulang page: category1 */
:root{
  --c-primary:#0B3B2E;
  --c-primary-600:#0F4E3C;
  --c-primary-100:#DCEAE3;
  --c-accent:#F2612C;
  --c-lime:#B7E04A;
  --c-bg:#F6F7F3;
  --c-surface:#FFFFFF;
  --c-dark:#082A20;
  --c-ink:#16211C;
  --c-ink-2:#4A574F;
  --c-line:#E1E5DE;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(11,59,46,.06),0 8px 24px rgba(11,59,46,.08);
  --sh-2:0 14px 32px rgba(11,59,46,.12);
  --nav-h:64px;
  --bs-primary:#0B3B2E;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-border-radius:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  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 .18s ease,border-color .18s ease,background-color .18s ease}
a:hover{color:var(--c-accent)}
button,input{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.18;letter-spacing:.01em;color:var(--c-ink)}
h1{font-weight:800}
h2{font-weight:700;font-size:30px}
h3{font-weight:600;font-size:21px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.num{font-variant-numeric:tabular-nums;font-weight:700}

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

/* ------- header / nav ------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:var(--c-bg);
  border-bottom:1px solid transparent;
  transition:background-color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.site-header.is-scrolled{
  background:var(--c-surface);
  border-bottom-color:var(--c-line);
  box-shadow:0 6px 18px rgba(11,59,46,.08);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h);gap:24px}
.nav-left{display:flex;align-items:center;gap:30px;flex:1 1 62%;min-width:0}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:14px;flex:1 1 38%;min-width:0}
.logo{display:inline-flex;align-items:center;gap:9px;font-size:17px;font-weight:800;color:var(--c-ink);white-space:nowrap}
.logo:hover{color:var(--c-primary-600)}
.logo .mark{
  width:30px;height:30px;border-radius:9px;background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;
}
.nav-links{display:flex;align-items:center;gap:24px;flex-wrap:nowrap}
.nav-links a{
  position:relative;font-size:15px;color:var(--c-ink-2);padding:6px 0;white-space:nowrap;
}
.nav-links a:hover{color:var(--c-primary-600)}
.nav-links a.active{color:var(--c-primary);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-15px;height:2px;background:var(--c-accent);border-radius:2px;
}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search i{position:absolute;left:12px;font-size:13px;color:var(--c-ink-2)}
.nav-search input{
  height:40px;width:220px;padding:0 14px 0 34px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-surface);font-size:14px;transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search input::placeholder{color:#8A968E}
.nav-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(11,59,46,.2)}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-surface);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px}
.nav-drawer{
  display:none;border-top:1px solid var(--c-line);background:var(--c-surface);
  padding:14px 24px 22px;
}
.nav-drawer.is-open{display:block}
.nav-drawer a{display:block;padding:11px 0;font-size:15px;color:var(--c-ink-2);border-bottom:1px solid var(--c-line)}
.nav-drawer a.active{color:var(--c-primary);font-weight:600}
.nav-drawer .btn{margin-top:16px;width:100%;justify-content:center}

/* ------- buttons ------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
  border:1px solid transparent;
}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-600);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:active{box-shadow:inset 0 1px 2px rgba(0,0,0,.25)}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-outline:hover{background:var(--c-primary-100);color:var(--c-primary-600)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:#DD4F1C;color:#fff;box-shadow:var(--sh-1)}
.btn-ghost{
  color:var(--c-primary);font-weight:600;height:auto;padding:2px 0;border-radius:0;
  border-bottom:1px solid var(--c-primary);line-height:1.6;
}
.btn-ghost:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);border-bottom-width:3px}
.btn-outline-white{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-outline-white:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-sm{height:36px;padding:0 16px;font-size:14px}

/* ------- badges ------- */
.badge-x{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--c-primary-100);color:var(--c-primary);font-size:12px;font-weight:600;line-height:1;
}
.badge-lime{background:var(--c-lime);color:#1E2A16}
.meta{font-size:13px;color:var(--c-ink-2);font-variant-numeric:tabular-nums;display:inline-flex;align-items:center;gap:8px}
.meta .sep{width:1px;height:11px;background:var(--c-line);display:inline-block}

/* ------- page head ------- */
.page-head{
  position:relative;background:var(--c-primary-100);padding:36px 0 64px;overflow:hidden;
}
.page-head::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:74px;
  background:repeating-linear-gradient(90deg,rgba(11,59,46,.10) 0 2px,transparent 2px 46px);
  opacity:.6;pointer-events:none;
}
.breadcrumb-x{font-size:13px;color:var(--c-ink-2);display:flex;align-items:center;gap:8px;margin-bottom:24px}
.breadcrumb-x a{color:var(--c-ink-2)}
.breadcrumb-x a:hover{color:var(--c-primary)}
.page-head__grid{display:grid;grid-template-columns:6fr 5fr;gap:48px;align-items:center;position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary);
  background:rgba(255,255,255,.72);border:1px solid rgba(11,59,46,.12);border-radius:999px;padding:5px 12px;margin-bottom:18px;
}
.page-head h1{font-size:40px;max-width:15em}
.page-head .lead{margin-top:18px;font-size:16px;color:var(--c-ink-2);max-width:38em}
.head-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:30px;padding-top:22px;border-top:1px solid rgba(11,59,46,.14)}
.head-stats .st b{display:block;font-size:24px;color:var(--c-primary);font-variant-numeric:tabular-nums;font-weight:800;line-height:1.2}
.head-stats .st span{font-size:13px;color:var(--c-ink-2)}
.page-head__media{position:relative}
.page-head__media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--sh-1);position:relative;z-index:2;
}
.page-head__media::before{
  content:"";position:absolute;right:-16px;bottom:-16px;width:58%;height:52%;
  background:var(--c-primary);transform:skewY(-12deg);border-radius:10px;z-index:1;opacity:.9;
}

/* ------- sections ------- */
.section{padding:86px 0}
.section-tight{padding:64px 0}
.section-dark{padding:64px 0}
.section-head{margin-bottom:32px;max-width:760px}
.section-head h2{position:relative;padding-left:16px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--c-accent);
}
.section-head p{margin-top:12px;color:var(--c-ink-2);font-size:15px}

/* ------- venue card grid ------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.v-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;height:100%;
}
.v-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFD8D1}
.v-card:hover .v-card__title{color:var(--c-primary-600)}
.v-card__media{aspect-ratio:16/10;overflow:hidden}
.v-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.v-card:hover .v-card__media img{transform:scale(1.03)}
.v-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.v-card__title{font-size:18px;font-weight:600;line-height:1.4}
.v-card__desc{font-size:14px;color:var(--c-ink-2);line-height:1.7}
.v-card__foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;gap:12px}

/* ------- scene list ------- */
.scene-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px;border-top:1px solid var(--c-line)}
.scene-item{display:flex;gap:18px;padding:24px 0;border-bottom:1px solid var(--c-line);transition:background-color .18s ease}
.scene-item:hover{background:var(--c-primary-100)}
.scene-item .idx{font-size:26px;font-weight:800;color:var(--c-primary);opacity:.35;line-height:1;min-width:44px}
.scene-item h3{font-size:17px;margin-bottom:6px}
.scene-item p{font-size:14px;color:var(--c-ink-2);line-height:1.75}

/* ------- steps ------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.step{position:relative;padding:26px 22px 26px 0;border-top:3px solid var(--c-primary)}
.step+.step{padding-left:26px;border-left:1px solid var(--c-line)}
.step .snum{font-size:14px;font-weight:700;color:var(--c-accent);letter-spacing:.08em}
.step h3{font-size:18px;margin:10px 0 8px}
.step p{font-size:14px;color:var(--c-ink-2);line-height:1.75}

/* ------- notice strip ------- */
.notice{
  background:var(--c-surface);border:1px solid var(--c-line);border-left:4px solid var(--c-accent);
  border-radius:var(--r-card);padding:20px 24px;display:flex;gap:16px;align-items:flex-start;box-shadow:var(--sh-1);
}
.notice i{color:var(--c-accent);font-size:18px;margin-top:3px}
.notice p{font-size:15px;color:var(--c-ink-2)}

/* ------- faq ------- */
.faq-wrap{border:1px solid var(--c-line);border-radius:var(--r-card);background:var(--c-surface);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item+.faq-item{border-top:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--c-ink);position:relative;transition:background-color .18s ease;
}
.faq-q:hover{background:#F3F6F2}
.faq-q i{color:var(--c-primary);font-size:14px;transition:transform .2s ease;flex:none}
.faq-item.is-open .faq-q{background:var(--c-primary-100)}
.faq-item.is-open .faq-q::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-accent)}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{display:none;padding:0 22px 22px;font-size:15px;color:var(--c-ink-2);line-height:1.8}
.faq-item.is-open .faq-a{display:block}

/* ------- cta band ------- */
.cta-band{background:var(--c-dark);color:#fff;padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px}
.cta-band h2{color:#fff;font-size:28px;max-width:18em}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin-top:10px}
.cta-actions{display:flex;gap:12px;flex:none}
.cta-band .btn{height:46px}
.cta-band .btn-outline-white{box-shadow:none}
.cta-band .btn-outline-white{border:1px solid rgba(255,255,255,.45)}

/* ------- related ------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;
  display:flex;flex-direction:column;gap:10px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFD8D1}
.rel-card h3{font-size:17px}
.rel-card p{font-size:14px;color:var(--c-ink-2);line-height:1.7}
.rel-card .go{font-size:14px;font-weight:600;color:var(--c-primary)}
.rel-card:hover .go{color:var(--c-accent)}

/* ------- footer ------- */
.site-footer{background:var(--c-dark);color:#fff;padding:56px 0 26px;border-top:1px solid rgba(255,255,255,.12)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}
.f-logo{display:flex;align-items:center;gap:9px;font-size:17px;font-weight:800;color:#fff;margin-bottom:14px}
.f-logo .mark{
  width:30px;height:30px;border-radius:9px;background:rgba(255,255,255,.14);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;color:#fff;
}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);max-width:32em}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;line-height:2.1;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#fff}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:20px;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ------- responsive ------- */
@media (max-width:1199px){
  .nav-search input{width:180px}
  .page-head h1{font-size:36px}
  .nav-links{gap:18px}
  .nav-links a{font-size:14px}
}
@media (max-width:991px){
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .nav-left{flex:1 1 auto}
  .nav-right{flex:0 0 auto}
  .page-head__grid{grid-template-columns:1fr;gap:32px}
  .page-head__media{order:-1}
  .page-head{padding:28px 0 56px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .scene-list{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step{padding:24px 20px 24px 0}
  .step:nth-child(3){border-left:0;padding-left:0}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .related-grid{grid-template-columns:1fr}
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
}
@media (max-width:767px){
  .container-x{padding:0 18px}
  .page-head h1{font-size:28px}
  h2{font-size:23px}
  h3{font-size:18px}
  .page-head{padding:24px 0 48px}
  .head-stats{gap:24px}
  .card-grid{grid-template-columns:1fr}
  .v-card__body{padding:16px}
  .steps{grid-template-columns:1fr}
  .step{padding:22px 0;border-left:0 !important}
  .scene-item{padding:18px 0}
  .section{padding:48px 0}
  .section-tight{padding:42px 0}
  .cta-band{padding:48px 0}
  .cta-actions{flex-direction:column;width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;text-align:left}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-q{padding:16px;font-size:15px}
  .faq-a{padding:0 16px 18px}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr}
  .head-stats{flex-direction:column;gap:14px}
}
@media (hover:none){
  .v-card:hover,.rel-card:hover{transform:none;box-shadow:var(--sh-1)}
}

/* roulang page: category2 */
:root{
  --c-primary:#0B3B2E;
  --c-primary-600:#0F4E3C;
  --c-primary-100:#DCEAE3;
  --c-accent:#F2612C;
  --c-lime:#B7E04A;
  --c-bg:#F6F7F3;
  --c-surface:#FFFFFF;
  --c-dark:#082A20;
  --c-ink:#16211C;
  --c-ink-2:#4A574F;
  --c-line:#E1E5DE;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(11,59,46,.06),0 8px 24px rgba(11,59,46,.08);
  --sh-2:0 14px 32px rgba(11,59,46,.12);
  --bs-primary:#0B3B2E;
  --bs-primary-rgb:11,59,46;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-color:#16211C;
  --bs-body-bg:#F6F7F3;
  --bs-border-radius:14px;
  --bs-link-color:#0B3B2E;
  --bs-link-hover-color:#F2612C;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
}
h1,h2,h3,h4{line-height:1.18;color:var(--c-ink);margin:0}
p{margin:0}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-accent)}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
input{font-family:inherit}
.num,.stat,.meta-x,.tl-time,.idx,.index-list .idx,.hero-stats .num{font-variant-numeric:tabular-nums}

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

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid transparent;
  transition:background .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.site-header.is-stuck{
  border-bottom-color:var(--c-line);
  box-shadow:0 1px 2px rgba(11,59,46,.06),0 8px 24px rgba(11,59,46,.06);
}
.nav-wrap{display:flex;align-items:center;height:64px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:8px;background:var(--c-primary);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;letter-spacing:0;
}
.brand-text{font-size:17px;font-weight:700;color:var(--c-ink);white-space:nowrap}
.brand:hover .brand-text{color:var(--c-primary-600)}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:22px}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:64px;
  font-size:15px;color:var(--c-ink-2);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:transparent;transition:background .2s ease;
}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a:hover::after{background:var(--c-primary-100)}
.nav-links a.active{color:var(--c-primary);font-weight:600}
.nav-links a.active::after{background:var(--c-accent)}
.nav-side{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search i{position:absolute;left:12px;font-size:13px;color:var(--c-ink-2);pointer-events:none}
.nav-search input{
  height:40px;width:220px;padding:0 12px 0 34px;
  border:1px solid var(--c-line);border-radius:10px;background:#fff;
  font-size:14px;color:var(--c-ink);outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search input::placeholder{color:#93A09A}
.nav-search input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(11,59,46,.2)}

.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;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,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-x:active{box-shadow:inset 0 1px 2px rgba(0,0,0,.14)}
.btn-x:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.btn-solid{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-solid:hover{background:var(--c-primary-600);color:#fff;box-shadow:var(--sh-2);transform:translateY(-2px)}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-100);color:var(--c-primary);transform:translateY(-2px)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:#D9531F;color:#fff;box-shadow:var(--sh-2);transform:translateY(-2px)}
.btn-white-outline{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-white-outline:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-sm{height:38px;padding:0 16px;font-size:14px}

.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:10px;
  background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;
}
.nav-toggle span{width:16px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.nav-drawer{
  display:none;position:fixed;top:56px;left:0;right:0;z-index:59;
  background:#fff;border-bottom:1px solid var(--c-line);
  box-shadow:0 14px 32px rgba(11,59,46,.12);
  padding:14px 18px 22px;
}
.nav-drawer.open{display:block}
.nav-drawer a.d-link{
  display:block;padding:13px 2px;font-size:16px;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.nav-drawer a.d-link.active{color:var(--c-primary);font-weight:600}
.nav-drawer .d-search{position:relative;margin:16px 0 14px}
.nav-drawer .d-search i{position:absolute;left:12px;top:13px;font-size:13px;color:var(--c-ink-2)}
.nav-drawer .d-search input{
  width:100%;height:44px;padding:0 12px 0 34px;border:1px solid var(--c-line);
  border-radius:10px;font-size:15px;outline:none;background:#fff;
}
.nav-drawer .d-search input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(11,59,46,.2)}
.nav-drawer .btn-x{width:100%}

/* ============ 页面头部 ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--c-dark);color:#fff;
  padding:120px 0 72px;
}
.page-hero::after{
  content:"";position:absolute;right:-70px;bottom:-50px;width:430px;height:230px;
  background:repeating-linear-gradient(90deg,rgba(183,224,74,.30) 0 2px,transparent 2px 22px);
  transform:rotate(-12deg);opacity:.55;pointer-events:none;
}
.page-hero .container-x{position:relative;z-index:2}
.breadcrumb-x{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb-x a{color:rgba(255,255,255,.8)}
.breadcrumb-x a:hover{color:var(--c-lime)}
.page-hero h1{
  font-size:40px;font-weight:800;color:#fff;max-width:920px;margin:0 0 18px;
}
.page-hero-desc{
  font-size:16px;line-height:1.9;color:rgba(255,255,255,.8);max-width:780px;margin:0;
}
.hero-stats{
  display:flex;gap:48px;flex-wrap:wrap;margin-top:36px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-stats .stat{display:block}
.hero-stats .num{display:block;font-size:26px;font-weight:800;color:var(--c-lime);line-height:1.2}
.hero-stats .lbl{display:block;font-size:13px;color:rgba(255,255,255,.66);margin-top:4px}

/* ============ 主体分栏 ============ */
.sec-body{padding:88px 0 56px}
.split{display:grid;grid-template-columns:4fr 8fr;gap:32px;align-items:start}

.index-panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--sh-1);position:sticky;top:84px;
}
.index-panel h2{
  font-size:14px;font-weight:600;color:var(--c-ink-2);letter-spacing:.08em;
  margin:0 0 6px;padding:0;
}
.index-panel .idx-hint{font-size:13px;color:#8C9993;margin:0 0 14px}
.index-list{list-style:none}
.index-list li + li{border-top:1px solid var(--c-line)}
.index-list a{display:block;padding:14px 0;color:var(--c-ink)}
.index-list .idx{display:block;font-size:12px;font-weight:800;color:var(--c-accent);margin-bottom:5px}
.index-list .idx-t{display:block;font-size:15px;font-weight:600;line-height:1.5;margin-bottom:6px}
.index-list .idx-m{display:block;font-size:13px;color:var(--c-ink-2)}
.index-list a:hover .idx-t{color:var(--c-primary-600)}

.badge-x{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--c-primary-100);color:var(--c-primary);
}
.badge-lime{background:var(--c-lime);color:#12331F}

.meta-x{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-ink-2);flex-wrap:wrap}
.meta-x .sep{width:1px;height:12px;background:var(--c-line);display:inline-block}

.feature-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
  display:block;color:var(--c-ink);margin-bottom:24px;
}
.feature-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:#D3DED7}
.feature-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.feature-body{padding:22px}
.feature-body h3{font-size:21px;font-weight:600;margin:12px 0 10px;line-height:1.35}
.feature-card:hover h3{color:var(--c-primary-600)}
.feature-body p{font-size:15px;color:var(--c-ink-2);line-height:1.8;margin:0 0 14px}

.mini-list{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.mini-list a{
  display:grid;grid-template-columns:58px 1fr auto;gap:16px;align-items:center;
  padding:18px 20px;border-bottom:1px solid var(--c-line);color:var(--c-ink);
}
.mini-list a:last-child{border-bottom:0}
.mini-list a:hover{background:var(--c-primary-100)}
.mini-list .n{font-size:20px;font-weight:800;color:#BFCFC7}
.mini-list .t{font-size:16px;font-weight:600;line-height:1.5}
.mini-list a:hover .t{color:var(--c-primary-600)}
.mini-list .tm{font-size:13px;color:var(--c-ink-2);white-space:nowrap}

/* ============ 更新时段 ============ */
.sec-rhythm{padding:56px 0 88px;background:var(--c-bg)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.sec-head h2{
  position:relative;padding-left:16px;font-size:30px;font-weight:700;line-height:1.2;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--c-accent);border-radius:2px;
}
.sec-head p{font-size:15px;color:var(--c-ink-2);max-width:560px;line-height:1.8}

.timeline{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border:1px solid var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface);overflow:hidden;
}
.tl-item{padding:28px 22px;border-right:1px solid var(--c-line)}
.tl-item:last-child{border-right:0}
.tl-time{font-size:22px;font-weight:800;color:var(--c-primary)}
.tl-name{font-size:16px;font-weight:600;margin:10px 0 8px}
.tl-desc{font-size:14px;color:var(--c-ink-2);line-height:1.75}

/* ============ 核对要点 ============ */
.sec-check{padding:72px 0}
.check-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:start}
.check-list{counter-reset:ck;list-style:none}
.check-list li{counter-increment:ck;position:relative;padding:20px 0 20px 56px;border-bottom:1px solid var(--c-line)}
.check-list li:first-child{padding-top:6px}
.check-list li:first-child::before{top:6px}
.check-list li::before{
  content:counter(ck,decimal-leading-zero);
  position:absolute;left:0;top:20px;
  font-size:16px;font-weight:800;color:var(--c-accent);font-variant-numeric:tabular-nums;
}
.check-list h3{font-size:17px;font-weight:600;margin:0 0 8px}
.check-list p{font-size:15px;color:var(--c-ink-2);line-height:1.8;margin:0}

.note-card{background:var(--c-primary-100);border-radius:var(--r-card);padding:28px 26px}
.note-card h3{font-size:18px;font-weight:600;color:var(--c-primary);margin:0 0 14px}
.note-card p{font-size:15px;line-height:1.85;color:#2C4A40;margin:0 0 12px}
.note-card p:last-child{margin-bottom:0}
.note-card ul{list-style:none;margin:14px 0 0}
.note-card li{
  font-size:14px;color:#2C4A40;line-height:1.9;padding-left:16px;position:relative;
}
.note-card li::before{
  content:"";position:absolute;left:0;top:12px;width:6px;height:6px;
  border-radius:50%;background:var(--c-accent);
}

/* ============ FAQ ============ */
.sec-faq{padding:80px 0 64px}
.faq-wrap{
  border:1px solid var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface);overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--c-line)}
.faq-q{
  position:relative;width:100%;text-align:left;background:none;border:0;
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--c-ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;
  transition:color .18s ease,background-color .18s ease;
}
.faq-q:hover{background:#FAFBF8}
.faq-q:focus-visible{outline:2px solid var(--c-accent);outline-offset:-2px}
.faq-q i{font-size:13px;color:var(--c-ink-2);transition:transform .2s ease}
.faq-item.open .faq-q{color:var(--c-primary)}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--c-accent)}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-accent);
}
.faq-a{display:none;padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}
.faq-item.open .faq-a{display:block}

/* ============ CTA ============ */
.cta-band{background:var(--c-dark);color:#fff;padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:26px;font-weight:700;color:#fff;line-height:1.3;margin:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 相关分类 ============ */
.sec-rel{padding:64px 0 88px}
.rel-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.rel-card{
  display:block;padding:26px;border:1px solid var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface);color:var(--c-ink);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFDDD5;color:var(--c-ink)}
.rel-card h3{font-size:19px;font-weight:600;margin:12px 0 8px}
.rel-card:hover h3{color:var(--c-primary-600)}
.rel-card p{font-size:15px;color:var(--c-ink-2);line-height:1.8;margin:0}
.rel-card .rel-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:600;color:var(--c-primary)}
.rel-card:hover .rel-more{color:var(--c-accent)}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:#fff;padding:64px 0 0;border-top:1px solid rgba(255,255,255,.12)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .f-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;margin-bottom:14px}
.f-logo .mark{
  width:30px;height:30px;border-radius:8px;background:var(--c-lime);color:#0B3B2E;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;
}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);max-width:330px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin:0 0 16px}
.footer-col a{display:block;font-size:14px;line-height:2.1;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--c-lime)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-search input{width:180px}
  .page-hero h1{font-size:36px}
  .sec-head h2{font-size:27px}
  body{font-size:15px}
}
@media (max-width:991px){
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-toggle{display:flex}
  .nav-wrap{height:56px}
  .split{grid-template-columns:1fr;gap:24px}
  .index-panel{position:static}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tl-item:nth-child(2){border-right:0}
  .tl-item:nth-child(1),.tl-item:nth-child(2){border-bottom:1px solid var(--c-line)}
  .check-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .page-hero{padding:104px 0 56px}
  .sec-body{padding:64px 0 44px}
  .sec-rhythm{padding:44px 0 64px}
  .sec-check{padding:56px 0}
  .sec-faq{padding:60px 0 48px}
  .sec-rel{padding:48px 0 64px}
  .feature-body h3{font-size:19px}
}
@media (max-width:767px){
  .container-x{padding:0 18px}
  .page-hero{padding:96px 0 48px}
  .page-hero h1{font-size:28px}
  .page-hero-desc{font-size:15px}
  .hero-stats{gap:28px;margin-top:28px;padding-top:20px}
  .hero-stats .num{font-size:22px}
  .sec-head h2{font-size:23px}
  .sec-head p{font-size:14px}
  .timeline{grid-template-columns:1fr}
  .tl-item{border-right:0;border-bottom:1px solid var(--c-line)}
  .tl-item:last-child{border-bottom:0}
  .tl-item:nth-child(2){border-right:0}
  .mini-list a{grid-template-columns:44px 1fr;gap:12px;padding:16px}
  .mini-list .tm{display:none}
  .feature-body{padding:16px}
  .feature-body h3{font-size:18px}
  .index-panel{padding:18px 16px}
  .btn-x{width:100%}
  .cta-inner h2{font-size:22px}
  .cta-actions{width:100%;flex-direction:column}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:36px}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;gap:8px}
  .check-list li{padding-left:46px}
  .sec-body{padding:56px 0 40px}
  .sec-rhythm{padding:40px 0 56px}
  .sec-check{padding:48px 0}
}
@media (max-width:575px){
  .hero-stats{flex-direction:column;gap:16px}
  .footer-grid{grid-template-columns:1fr;text-align:left}
}
@media (hover:none){
  .feature-card:hover,.rel-card:hover,.btn-x:hover{transform:none}
}