/* roulang page: index */
:root{
  --c-ink:#12171A;
  --c-ink-2:#2B343A;
  --c-muted:#6B767D;
  --c-paper:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-primary:#17604F;
  --c-primary-dark:#0F4A3C;
  --c-primary-weak:#E6F0EC;
  --c-accent:#D9552B;
  --c-accent-weak:#FBEAE3;
  --c-line:#E3DFD6;
  --c-line-soft:#EFEBE3;
  --r-img:12px;
  --r-card:10px;
  --r-btn:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,23,26,.05), 0 8px 24px -16px rgba(18,23,26,.18);
  --sh-2:0 2px 6px rgba(18,23,26,.06), 0 18px 36px -20px rgba(18,23,26,.24);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sidebar-w:232px;
  --font-display:"Songti SC","STSong","Source Han Serif SC","Noto Serif SC",Georgia,"SimSun",serif;
  --font-body:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;

  --bs-body-bg:var(--c-paper);
  --bs-body-color:var(--c-ink);
  --bs-body-font-family:var(--font-body);
  --bs-primary:var(--c-primary);
  --bs-link-color:var(--c-primary);
  --bs-link-hover-color:var(--c-primary-dark);
  --bs-border-color:var(--c-line);
  --bs-font-sans-serif:var(--font-body);
  --bs-border-radius:var(--r-card);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .16s var(--ease)}
a:hover{color:var(--c-primary-dark)}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;color:var(--c-ink);margin:0;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
::selection{background:var(--c-primary-weak);color:var(--c-primary-dark)}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.01em}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-ink);color:#fff;padding:10px 16px;z-index:200}
.skip-link:focus{left:12px;top:12px}

/* ============ App Shell ============ */
.app-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--c-ink);color:#D7D3CB;
  display:flex;flex-direction:column;z-index:1040;
  border-right:1px solid rgba(255,255,255,.06);
}
.sidebar-brand{height:72px;display:flex;align-items:center;padding:0 20px;border-bottom:1px solid rgba(255,255,255,.08);flex:0 0 auto}
.brand-link{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none}
.brand-link:hover{color:#fff}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:9px;
  background:linear-gradient(150deg,var(--c-primary),#1E7D67);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-size:17px;font-weight:700;letter-spacing:0;
}
.brand-text{font-family:var(--font-display);font-size:15px;font-weight:700;line-height:1.2;letter-spacing:.01em}
.sidebar-nav{padding:16px 12px 8px;display:flex;flex-direction:column;gap:2px;overflow-y:auto;flex:1 1 auto}
.nav-group-title{
  font-size:12px;letter-spacing:.08em;color:#7C8388;text-transform:none;
  padding:18px 12px 8px;font-weight:500;
}
.side-link{
  position:relative;display:flex;align-items:center;gap:10px;height:44px;
  padding:0 12px;border-radius:8px;color:#C9C5BD;font-size:14.5px;
  transition:background .16s var(--ease),color .16s var(--ease);
}
.side-link svg{width:18px;height:18px;flex:0 0 18px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;opacity:.85}
.side-link:hover{background:rgba(255,255,255,.06);color:#fff}
.side-link.active{background:rgba(23,96,79,.32);color:#fff;font-weight:500}
.side-link.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:0 3px 3px 0;
  background:#3FBF9C;transition:width .24s var(--ease);
}
.side-foot{flex:0 0 auto;padding:16px 16px 18px;border-top:1px solid rgba(255,255,255,.08)}
.side-login{
  display:flex;align-items:center;justify-content:center;gap:8px;height:42px;
  border-radius:var(--r-btn);background:#fff;color:var(--c-ink);
  font-size:14px;font-weight:600;transition:background .16s var(--ease),transform .16s var(--ease);
}
.side-login:hover{background:#EDEAE3;color:var(--c-ink);transform:translateY(-1px)}
.side-login:active{transform:translateY(0)}
.side-reg{font-size:12px;color:#7C8388;margin-top:12px;line-height:1.6}

.main-wrap{margin-left:0}
@media (min-width:992px){.main-wrap{margin-left:var(--sidebar-w)}}
@media (min-width:1200px){:root{--sidebar-w:248px}}

.container-main{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container-main{max-width:1320px}}
@media (max-width:575.98px){.container-main{padding:0 18px}}

/* ============ Mobile topbar ============ */
.mobile-topbar{
  position:sticky;top:0;z-index:1030;height:56px;
  display:flex;align-items:center;gap:12px;padding:0 14px;
  background:var(--c-ink);color:#fff;border-bottom:1px solid rgba(255,255,255,.08);
}
.topbar-btn{
  width:38px;height:38px;display:flex;align-items:center;justify-content:center;
  border:0;background:transparent;color:#fff;border-radius:8px;
}
.topbar-btn:hover{background:rgba(255,255,255,.08)}
.topbar-btn svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round}
.topbar-title{flex:1;text-align:center;font-family:var(--font-display);font-size:15px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media (min-width:992px){.mobile-topbar{display:none}}

.app-drawer{--bs-offcanvas-width:280px;background:var(--c-ink);color:#C9C5BD;border-right:0}
.app-drawer .offcanvas-body{padding:0}
.drawer-head{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid rgba(255,255,255,.08)}
.drawer-close{background:transparent;border:0;color:#C9C5BD;width:36px;height:36px;border-radius:8px}
.drawer-close:hover{background:rgba(255,255,255,.08);color:#fff}
.offcanvas-backdrop{background:rgba(18,23,26,.6)}

/* ============ Buttons ============ */
.btn-solid{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 26px;
  border:1px solid var(--c-primary);border-radius:var(--r-btn);
  background:var(--c-primary);color:#fff;font-size:15px;font-weight:600;
  transition:background .16s var(--ease),transform .16s var(--ease),box-shadow .24s var(--ease);
}
.btn-solid:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff;box-shadow:var(--sh-1)}
.btn-solid:active{transform:translateY(1px)}
.btn-solid svg,.btn-ghost svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .24s var(--ease)}
.btn-solid:hover svg{transform:translateX(4px)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 24px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);background:transparent;
  color:var(--c-ink);font-size:15px;font-weight:600;
  transition:background .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease);
}
.btn-ghost:hover{background:var(--c-primary-weak);border-color:var(--c-primary);color:var(--c-primary-dark)}
.btn-ghost:active{transform:translateY(1px)}
.btn-solid[disabled],.btn-ghost[disabled]{opacity:.45;pointer-events:none}
.btn-sm-solid{
  display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 18px;border-radius:var(--r-btn);
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;border:1px solid var(--c-primary);
  transition:background .16s var(--ease),transform .16s var(--ease);
}
.btn-sm-solid:hover{background:var(--c-primary-dark);color:#fff}
.btn-sm-solid:active{transform:translateY(1px)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);
  padding-bottom:2px;border-bottom:1px solid transparent;transition:border-color .16s var(--ease),color .16s var(--ease);
}
.link-arrow:hover{border-bottom-color:currentColor}
.link-arrow svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .24s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ============ Section base ============ */
.section{padding:88px 0}
.section--tight{padding:64px 0}
@media (max-width:991.98px){.section{padding:64px 0}.section--tight{padding:48px 0}}
@media (max-width:575.98px){.section{padding:48px 0}.section--tight{padding:40px 0}}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  padding-bottom:16px;border-bottom:1px solid var(--c-line);margin-bottom:40px;
}
.section-head h2{font-size:clamp(24px,2.6vw,34px)}
.section-sub{margin-top:8px;color:var(--c-muted);font-size:14.5px;max-width:640px}
@media (max-width:575.98px){.section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}}

/* ============ Hero ============ */
.hero{padding:56px 0 88px}
@media (max-width:991.98px){.hero{padding:40px 0 64px}}
@media (max-width:575.98px){.hero{padding:32px 0 48px}}
.hero-row{min-height:520px;align-items:center}
@media (max-width:991.98px){.hero-row{min-height:auto}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;
  color:var(--c-primary);font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);display:inline-block;border-radius:2px}
.hero h1{
  font-size:clamp(30px,4.2vw,52px);line-height:1.22;margin:18px 0 0;letter-spacing:0;
}
.hero-lead{margin-top:18px;font-size:16.5px;color:var(--c-ink-2);max-width:560px;line-height:1.8}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px}
.hero-stats{
  margin-top:44px;padding-top:24px;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:40px;
}
.stat-item .stat-value{font-family:var(--font-display);font-size:28px;font-weight:700;color:var(--c-ink);line-height:1.1}
.stat-item .stat-value em{font-style:normal;color:var(--c-accent);font-size:18px;margin-left:2px}
.stat-item .stat-label{font-size:13px;color:var(--c-muted);margin-top:6px}
@media (max-width:575.98px){.hero-stats{gap:24px}.stat-item .stat-value{font-size:24px}}
.hero-media{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1)}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(23,96,79,.16),rgba(23,96,79,.04));
  pointer-events:none;
}
.hero-media-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:rgba(18,23,26,.82);color:#fff;font-size:12.5px;padding:7px 14px;border-radius:var(--r-pill);
  backdrop-filter:none;
}
@media (max-width:991.98px){
  .hero-media{margin-top:32px}
  .hero-media img{aspect-ratio:4/3}
}

/* ============ TOC 合集目录 ============ */
.toc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px}
@media (max-width:767.98px){.toc-grid{grid-template-columns:1fr;gap:0}}
.toc-item{
  display:flex;align-items:center;gap:20px;padding:24px 8px;border-bottom:1px solid var(--c-line);
  transition:background .16s var(--ease),padding .24s var(--ease);
}
.toc-item:hover{background:#F1EEE7;padding-left:16px;padding-right:16px}
.toc-num{
  font-family:var(--font-display);font-size:15px;font-weight:700;color:var(--c-accent);
  flex:0 0 42px;letter-spacing:.02em;
}
.toc-body{flex:1;min-width:0}
.toc-title{font-size:17px;font-weight:600;color:var(--c-ink);font-family:var(--font-body)}
.toc-desc{font-size:13.5px;color:var(--c-muted);margin-top:4px;line-height:1.6}
.toc-item:hover .toc-title{color:var(--c-primary)}
.toc-arrow{flex:0 0 18px;color:var(--c-muted);transition:transform .24s var(--ease),color .16s var(--ease)}
.toc-item:hover .toc-arrow{transform:translateX(4px);color:var(--c-primary)}
.toc-arrow svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ============ Cards ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:1199.98px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:767.98px){.grid-3{grid-template-columns:1fr}}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media (max-width:767.98px){.grid-2{grid-template-columns:1fr}}

.entry-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;height:100%;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.entry-card:hover{transform:translateY(-3px);border-color:#B9D6CC;box-shadow:var(--sh-2)}
.entry-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:#EDEAE3}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.entry-card:hover .entry-thumb img{transform:scale(1.03)}
.entry-body{padding:22px;display:flex;flex-direction:column;flex:1}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:var(--c-primary-weak);color:var(--c-primary);
}
.pill--accent{background:var(--c-accent-weak);color:var(--c-accent)}
.pill--gray{background:#EFEDE7;color:var(--c-muted)}
.entry-title{
  font-size:17px;font-weight:700;line-height:1.5;margin-top:14px;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-card:hover .entry-title{color:var(--c-primary)}
.entry-excerpt{
  font-size:14px;color:var(--c-muted);line-height:1.7;margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-meta{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--c-line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--c-muted);
}
.entry-meta time{font-variant-numeric:tabular-nums}
.entry-link{font-size:13px;font-weight:600;color:var(--c-primary)}

/* ============ CMS 最新信息 ============ */
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:991.98px){.news-list{grid-template-columns:repeat(2,1fr)}}
@media (max-width:767.98px){.news-list{grid-template-columns:1fr}}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;border:1px dashed var(--c-line);
  border-radius:var(--r-card);background:#FCFBF8;
}
.empty-state svg{width:44px;height:44px;stroke:var(--c-muted);fill:none;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;margin:0 auto 16px}
.empty-state p{color:var(--c-muted);font-size:14.5px;margin-bottom:20px}

/* ============ 相关推荐 ============ */
.reco-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:991.98px){.reco-strip{display:flex;overflow-x:auto;gap:16px;padding-bottom:8px;scroll-snap-type:x mandatory}}
@media (max-width:991.98px){.reco-strip>*{flex:0 0 78%;scroll-snap-align:start}}
.reco-card{
  display:flex;gap:16px;align-items:center;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:16px;transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.reco-card:hover{transform:translateY(-3px);border-color:#B9D6CC;box-shadow:var(--sh-1)}
.reco-thumb{flex:0 0 84px;width:84px;height:84px;border-radius:8px;overflow:hidden;background:#EDEAE3}
.reco-thumb img{width:100%;height:100%;object-fit:cover}
.reco-body{min-width:0}
.reco-body h3{font-size:15px;font-family:var(--font-body);font-weight:700;line-height:1.5;color:var(--c-ink)}
.reco-card:hover .reco-body h3{color:var(--c-primary)}
.reco-body p{font-size:13px;color:var(--c-muted);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--c-line);position:relative}
.faq-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--c-primary);opacity:0;transition:opacity .24s var(--ease);
}
.faq-item.open::before{opacity:1}
.faq-btn{
  width:100%;background:transparent;border:0;text-align:left;padding:24px 46px 24px 20px;
  font-family:var(--font-display);font-size:17px;font-weight:700;color:var(--c-ink);position:relative;
  transition:color .16s var(--ease);
}
.faq-btn:hover{color:var(--c-primary)}
.faq-item.open .faq-btn{color:var(--c-primary)}
.faq-btn .faq-icon{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  width:22px;height:22px;display:flex;align-items:center;justify-content:center;
  color:var(--c-muted);transition:transform .24s var(--ease),color .16s var(--ease);
}
.faq-btn .faq-icon svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round}
.faq-item.open .faq-icon{transform:translateY(-50%) rotate(180deg);color:var(--c-primary)}
.faq-panel{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-panel-inner{padding:0 46px 24px 20px;font-size:14.5px;color:var(--c-ink-2);line-height:1.85}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--c-primary);border-radius:12px;padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:#fff;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:rgba(255,255,255,.06);
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.2vw,28px);position:relative;z-index:1}
.cta-band p{color:rgba(255,255,255,.78);font-size:14.5px;margin-top:10px;max-width:520px;position:relative;z-index:1}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;position:relative;z-index:1}
.btn-white{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);
  background:#fff;color:var(--c-primary);font-size:14.5px;font-weight:600;border:1px solid #fff;
  transition:transform .16s var(--ease),background .16s var(--ease);
}
.btn-white:hover{background:#EDEAE3;color:var(--c-primary-dark)}
.btn-white:active{transform:translateY(1px)}
.btn-outline-white{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);
  background:transparent;color:#fff;font-size:14.5px;font-weight:600;border:1px solid rgba(255,255,255,.5);
  transition:background .16s var(--ease),border-color .16s var(--ease);
}
.btn-outline-white:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff}
.icon-inline{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
@media (max-width:767.98px){
  .cta-band{flex-direction:column;align-items:stretch;padding:32px 24px;gap:24px}
  .cta-actions{flex-direction:column}
  .cta-actions a{width:100%;justify-content:center}
}

/* ============ Footer ============ */
.site-footer{background:var(--c-ink);color:#B9B5AD;margin-top:24px}
.footer-top{border-top:1px solid rgba(255,255,255,.08);padding:64px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:36px}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-family:var(--font-display);font-size:15px;font-weight:700}
.footer-desc{font-size:13.5px;line-height:1.8;color:#8E9499;margin-top:16px;max-width:320px}
.footer-col h4{color:#fff;font-size:14px;font-family:var(--font-body);font-weight:700;letter-spacing:.02em;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{color:#B9B5AD;font-size:14px;transition:color .16s var(--ease)}
.footer-col a:hover{color:var(--c-accent)}
.footer-note{font-size:13px;color:#8E9499;line-height:1.8}
.footer-form{display:flex;gap:10px;margin-top:14px}
.footer-form input{
  flex:1;height:46px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;
  transition:border-color .16s var(--ease),box-shadow .24s var(--ease);
}
.footer-form input::placeholder{color:#7C8388}
.footer-form input:focus{outline:none;border-color:#3FBF9C;box-shadow:0 0 0 3px rgba(63,191,156,.18)}
.footer-form button{
  height:46px;padding:0 18px;border-radius:var(--r-btn);border:1px solid #fff;background:#fff;color:var(--c-ink);
  font-size:14px;font-weight:600;white-space:nowrap;transition:background .16s var(--ease);
}
.footer-form button:hover{background:#EDEAE3}
@media (max-width:575.98px){.footer-form{flex-direction:column}.footer-form button{width:100%}}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:#7C8388;
}
@media (max-width:575.98px){.footer-bottom{flex-direction:column;align-items:flex-start}}

/* ============ Reveal ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition:none!important}
}

/* roulang page: category1 */
:root{
  --c-ink:#12171A;
  --c-ink-2:#2B343A;
  --c-muted:#6B767D;
  --c-paper:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-primary:#17604F;
  --c-primary-dark:#0F4A3C;
  --c-primary-weak:#E6F0EC;
  --c-accent:#D9552B;
  --c-line:#E3DFD6;
  --r-img:12px;
  --r-card:10px;
  --r-btn:8px;
  --sh-1:0 1px 2px rgba(18,23,26,.05), 0 8px 24px -16px rgba(18,23,26,.18);
  --sh-2:0 2px 6px rgba(18,23,26,.07), 0 18px 36px -20px rgba(18,23,26,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sidebar-w:232px;
  --bs-primary:#17604F;
  --bs-link-color:#17604F;
  --bs-link-hover-color:#0F4A3C;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#12171A;
  --bs-border-color:#E3DFD6;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
}
@media (min-width:1200px){ :root{ --sidebar-w:248px; } }

*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; }
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-ink);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{ margin:0; font-weight:700; line-height:1.28; color:var(--c-ink); }
p{ margin:0; }
a{ color:var(--c-primary); text-decoration:none; transition:color .16s var(--ease); }
a:hover{ color:var(--c-primary-dark); }
img{ max-width:100%; display:block; }
button{ font:inherit; }
ul{ margin:0; padding:0; list-style:none; }
:focus-visible{ outline:2px solid var(--c-primary); outline-offset:2px; }
.serif{ font-family:"Source Han Serif SC","Noto Serif SC","Songti SC","SimSun",serif; }
.tnum{ font-variant-numeric:tabular-nums; letter-spacing:-.01em; }

.container-main{ width:100%; max-width:1240px; margin:0 auto; padding:0 24px; }
@media (min-width:1440px){ .container-main{ max-width:1320px; } }

/* ============ 侧栏 App Shell ============ */
.app-sidebar.offcanvas{
  background:var(--c-paper);
  border-right:1px solid var(--c-line);
  width:280px;
  color:var(--c-ink);
}
.app-sidebar .sidebar-inner{
  display:flex; flex-direction:column; height:100%; padding:0 14px 18px;
}
.brand{
  height:72px; display:flex; align-items:center; gap:10px;
  padding:0 8px; border-bottom:1px solid var(--c-line); flex:none;
}
.brand-mark{
  width:32px; height:32px; flex:none; border-radius:9px;
  background:var(--c-primary); color:#fff;
  display:grid; place-items:center; font-size:15px; font-weight:700;
}
.brand-text{ display:flex; flex-direction:column; line-height:1.2; }
.brand-text strong{ font-size:15px; letter-spacing:.01em; }
.brand-text span{ font-size:11px; color:var(--c-muted); letter-spacing:.06em; }

.sidebar-nav{ padding-top:16px; flex:1 1 auto; overflow-y:auto; }
.nav-group-title{
  font-size:12px; letter-spacing:.08em; color:var(--c-muted);
  padding:18px 10px 8px;
}
.side-link{
  position:relative; display:flex; align-items:center; gap:10px;
  height:44px; padding:0 12px 0 14px; border-radius:8px;
  color:var(--c-ink-2); font-size:14.5px;
  transition:background .2s var(--ease), color .2s var(--ease);
}
.side-link svg{
  width:18px; height:18px; flex:none; fill:none;
  stroke:currentColor; stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round;
}
.side-link::before{
  content:""; position:absolute; left:0; top:10px; bottom:10px; width:0;
  background:var(--c-primary); border-radius:2px;
  transition:width .24s var(--ease);
}
.side-link:hover{ background:rgba(23,96,79,.06); color:var(--c-primary); }
.side-link.active{ background:var(--c-primary-weak); color:var(--c-primary); font-weight:600; }
.side-link.active::before{ width:3px; }

.sidebar-foot{ flex:none; padding-top:14px; border-top:1px solid var(--c-line); }
.btn-login{
  display:flex; align-items:center; justify-content:center; gap:8px;
  height:46px; border-radius:var(--r-btn); background:var(--c-primary); color:#fff;
  font-size:14.5px; font-weight:600; letter-spacing:.02em;
  transition:background .18s var(--ease), transform .18s var(--ease);
}
.btn-login:hover{ background:var(--c-primary-dark); color:#fff; transform:translateY(-1px); }
.btn-login:active{ transform:translateY(0); }
.foot-record{ font-size:11.5px; color:var(--c-muted); line-height:1.6; padding:12px 4px 0; }

@media (min-width:992px){
  .app-sidebar.offcanvas{
    position:fixed; top:0; left:0; bottom:0;
    visibility:visible; transform:none !important;
    width:var(--sidebar-w);
  }
  .app-sidebar .sidebar-inner{ padding:0 12px 16px; }
}

/* ============ 移动顶栏 ============ */
.mobile-topbar{
  position:fixed; top:0; left:0; right:0; height:56px; z-index:1035;
  display:flex; align-items:center; gap:10px;
  padding:0 12px; background:var(--c-paper); border-bottom:1px solid var(--c-line);
}
.icon-btn{
  width:40px; height:40px; flex:none; border:1px solid var(--c-line); border-radius:var(--r-btn);
  background:var(--c-surface); color:var(--c-ink); display:grid; place-items:center;
  transition:border-color .18s var(--ease), background .18s var(--ease);
}
.icon-btn:hover{ border-color:var(--c-primary); background:var(--c-primary-weak); color:var(--c-primary); }
.icon-btn svg{ width:19px; height:19px; fill:none; stroke:currentColor; stroke-width:1.7; stroke-linecap:round; }
.mobile-brand{
  flex:1 1 auto; display:flex; align-items:center; gap:8px;
  font-size:14.5px; font-weight:600; color:var(--c-ink); min-width:0;
}
.mobile-brand span{ overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
@media (min-width:992px){ .mobile-topbar{ display:none; } }

.offcanvas-backdrop{ background:rgba(18,23,26,.4); }
.offcanvas-backdrop.show{ opacity:1; }

/* ============ 主内容 ============ */
.app-main{ margin-left:0; padding-top:56px; }
@media (min-width:992px){ .app-main{ margin-left:var(--sidebar-w); padding-top:0; } }

/* ============ 矮 Hero ============ */
.page-hero{
  position:relative; overflow:hidden;
  min-height:260px;
  background-image:linear-gradient(102deg, rgba(18,23,26,.90) 0%, rgba(18,23,26,.72) 48%, rgba(23,96,79,.62) 100%), url('/assets/images/backpic/back-1.png');
  background-size:cover; background-position:center;
  display:flex; align-items:flex-end;
  padding:56px 0 44px;
}
@media (min-width:992px){ .page-hero{ min-height:300px; padding:64px 0 52px; } }
.breadcrumb-c{
  display:flex; align-items:center; gap:8px; flex-wrap:wrap;
  font-size:12.5px; color:rgba(255,255,255,.72); margin-bottom:16px;
}
.breadcrumb-c a{ color:rgba(255,255,255,.86); }
.breadcrumb-c a:hover{ color:#fff; text-decoration:underline; text-underline-offset:3px; }
.breadcrumb-c .sep{ opacity:.5; }
.breadcrumb-c .current{ color:#fff; font-weight:600; }
.hero-pill{
  display:inline-flex; align-items:center; gap:6px;
  background:var(--c-accent); color:#fff;
  font-size:12px; letter-spacing:.04em; font-weight:600;
  padding:4px 12px; border-radius:999px; margin-bottom:16px;
}
.page-hero h1{
  color:#fff; font-size:clamp(28px,3.8vw,44px); letter-spacing:-.01em;
  max-width:20em;
}
.hero-sub{
  margin-top:14px; color:rgba(255,255,255,.82);
  font-size:15px; max-width:44em; line-height:1.8;
}

/* ============ 锚点条 ============ */
.anchor-bar{
  position:sticky; top:0; z-index:1020;
  background:rgba(247,245,240,.94);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--c-line);
}
@media (max-width:991px){ .anchor-bar{ top:56px; } }
.anchor-inner{
  display:flex; align-items:center; gap:6px; overflow-x:auto;
  padding:12px 24px; scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{ display:none; }
.anchor-inner .label{
  font-size:12px; letter-spacing:.08em; color:var(--c-muted);
  flex:none; margin-right:8px;
}
.anchor-link{
  flex:none; font-size:13.5px; color:var(--c-ink-2);
  padding:7px 14px; border-radius:999px; border:1px solid transparent;
  transition:background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}
.anchor-link:hover{ background:var(--c-primary-weak); color:var(--c-primary); }
.anchor-link.on{ background:var(--c-surface); border-color:var(--c-line); color:var(--c-primary); font-weight:600; }

/* ============ 区块通用 ============ */
.section{ padding:48px 0; }
@media (min-width:768px){ .section{ padding:64px 0; } }
@media (min-width:992px){ .section{ padding:80px 0; } }
.section-head{
  display:flex; align-items:flex-end; justify-content:space-between; gap:20px;
  padding-bottom:18px; border-bottom:1px solid var(--c-line); margin-bottom:34px;
}
.section-head h2{ font-size:clamp(22px,2.4vw,30px); }
.section-head .desc{ font-size:14px; color:var(--c-muted); margin-top:8px; max-width:52em; }
.link-arrow{
  position:relative; flex:none; font-size:14px; font-weight:600; color:var(--c-primary);
  padding-bottom:2px;
}
.link-arrow::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:1px;
  background:currentColor; transform:scaleX(0); transform-origin:left;
  transition:transform .24s var(--ease);
}
.link-arrow:hover::after{ transform:scaleX(1); }

/* ============ 编号目录流 ============ */
.num-list{ border-top:1px solid var(--c-line); }
.num-item{
  display:grid; grid-template-columns:76px 1fr 30px; align-items:start; gap:16px;
  padding:22px 14px 22px 10px;
  border-bottom:1px solid var(--c-line);
  color:var(--c-ink); position:relative;
  transition:background .2s var(--ease);
}
.num-item::before{
  content:""; position:absolute; left:0; top:0; bottom:0; width:0;
  background:var(--c-primary); transition:width .24s var(--ease);
}
.num-item:hover{ background:rgba(23,96,79,.05); }
.num-item:hover::before{ width:3px; }
.num-item .no{
  font-family:"Source Han Serif SC","Noto Serif SC","Songti SC",serif;
  font-size:22px; font-weight:700; color:var(--c-muted);
  font-variant-numeric:tabular-nums; letter-spacing:-.02em;
  transition:color .2s var(--ease);
}
.num-item:hover .no{ color:var(--c-accent); }
.num-item h3{ font-size:17.5px; margin-bottom:6px; }
.num-item p{ font-size:14.5px; color:var(--c-muted); line-height:1.8; }
.num-item .go{
  align-self:center; justify-self:end; color:var(--c-muted);
  transition:transform .24s var(--ease), color .2s var(--ease);
}
.num-item .go svg{ width:18px; height:18px; fill:none; stroke:currentColor; stroke-width:1.7; stroke-linecap:round; stroke-linejoin:round; }
.num-item:hover .go{ transform:translateX(4px); color:var(--c-primary); }
.num-meta{ display:flex; gap:14px; flex-wrap:wrap; margin-top:10px; font-size:12.5px; color:var(--c-muted); }
.num-meta .tag{
  background:#EFEDE7; border-radius:999px; padding:2px 10px; font-size:12px; color:var(--c-ink-2);
}
@media (max-width:575px){
  .num-item{ grid-template-columns:52px 1fr; }
  .num-item .go{ display:none; }
  .num-item .no{ font-size:18px; }
}

/* ============ 数据条 + 清单 ============ */
.stat-strip{
  display:grid; grid-template-columns:1fr; gap:0;
  border:1px solid var(--c-line); border-radius:var(--r-card); overflow:hidden;
  background:var(--c-surface);
}
@media (min-width:768px){ .stat-strip{ grid-template-columns:repeat(3,1fr); } }
.stat-cell{ padding:24px; border-bottom:1px solid var(--c-line); }
@media (min-width:768px){
  .stat-cell{ border-bottom:0; border-right:1px solid var(--c-line); }
  .stat-cell:last-child{ border-right:0; }
}
.stat-cell:last-child{ border-bottom:0; }
.stat-cell .num{
  font-family:"Source Han Serif SC","Noto Serif SC","Songti SC",serif;
  font-size:34px; font-weight:700; color:var(--c-primary);
  font-variant-numeric:tabular-nums; letter-spacing:-.02em; line-height:1.1;
}
.stat-cell .num em{ font-style:normal; font-size:15px; color:var(--c-muted); margin-left:4px; }
.stat-cell .cap{ margin-top:8px; font-size:14px; color:var(--c-muted); }

.check-grid{ display:grid; grid-template-columns:1fr; gap:14px 32px; margin-top:30px; }
@media (min-width:768px){ .check-grid{ grid-template-columns:1fr 1fr; } }
.check-item{
  display:flex; gap:12px; padding:14px 16px; border-radius:var(--r-card);
  background:var(--c-surface); border:1px solid var(--c-line);
  transition:box-shadow .24s var(--ease), border-color .24s var(--ease), transform .24s var(--ease);
}
.check-item:hover{ box-shadow:var(--sh-1); border-color:#CDDCD5; transform:translateY(-2px); }
.check-item .dot{
  width:20px; height:20px; flex:none; margin-top:3px; border-radius:5px;
  background:var(--c-primary-weak); color:var(--c-primary);
  display:grid; place-items:center; font-size:12px; font-weight:700;
}
.check-item strong{ display:block; font-size:15px; margin-bottom:4px; }
.check-item span{ font-size:13.5px; color:var(--c-muted); line-height:1.7; }

/* ============ 提示条 ============ */
.tip-box{
  border-left:3px solid var(--c-accent); background:#FDF3EE;
  border-radius:0 var(--r-card) var(--r-card) 0;
  padding:20px 22px; margin-top:30px;
}
.tip-box h3{ font-size:16px; margin-bottom:8px; color:var(--c-accent); }
.tip-box p{ font-size:14.5px; color:var(--c-ink-2); line-height:1.8; }

.panel-split{ display:grid; grid-template-columns:1fr; gap:28px; margin-top:34px; }
@media (min-width:992px){ .panel-split{ grid-template-columns:.85fr 1.15fr; gap:48px; } }
.panel-split figure{ margin:0; }
.panel-split img{ width:100%; aspect-ratio:16/9; object-fit:cover; border-radius:var(--r-img); box-shadow:var(--sh-1); }
.panel-split figcaption{ font-size:13px; color:var(--c-muted); margin-top:10px; text-align:center; }
.panel-split h3{ font-size:20px; margin-bottom:14px; }
.panel-split p{ font-size:15px; color:var(--c-ink-2); margin-bottom:14px; line-height:1.85; }
.plain-list li{
  position:relative; padding-left:18px; font-size:14.5px; color:var(--c-ink-2);
  line-height:1.8; margin-bottom:10px;
}
.plain-list li::before{
  content:""; position:absolute; left:0; top:9px;
  width:7px; height:7px; border-radius:2px; background:var(--c-primary);
}

/* ============ FAQ ============ */
.faq-acc .accordion-item{
  background:transparent; border:0; border-bottom:1px solid var(--c-line);
}
.faq-acc .accordion-item:first-child{ border-top:1px solid var(--c-line); }
.faq-acc .accordion-button{
  position:relative; background:transparent; box-shadow:none;
  color:var(--c-ink); font-size:16px; font-weight:600;
  padding:20px 44px 20px 6px; border-radius:0;
}
.faq-acc .accordion-button::before{
  content:""; position:absolute; left:-6px; top:14px; bottom:14px; width:0;
  background:var(--c-primary); border-radius:2px; transition:width .24s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){ color:var(--c-primary); background:transparent; }
.faq-acc .accordion-button:not(.collapsed)::before{ width:3px; }
.faq-acc .accordion-button::after{ display:none; }
.faq-acc .accordion-button .plus{
  position:absolute; right:8px; top:50%; transform:translateY(-50%);
  width:22px; height:22px; display:grid; place-items:center;
  color:var(--c-muted); transition:transform .28s var(--ease), color .2s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed) .plus{ transform:translateY(-50%) rotate(180deg); color:var(--c-primary); }
.faq-acc .accordion-button .plus svg{ width:16px; height:16px; fill:none; stroke:currentColor; stroke-width:1.8; stroke-linecap:round; }
.faq-acc .accordion-body{ padding:0 44px 22px 6px; font-size:14.5px; color:var(--c-muted); line-height:1.85; }
.faq-acc .accordion-button:focus-visible{ outline:2px solid var(--c-primary); outline-offset:2px; }

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--c-primary); border-radius:var(--r-img);
  padding:32px 28px; color:#fff;
  display:flex; flex-direction:column; gap:20px;
}
@media (min-width:768px){
  .cta-band{ flex-direction:row; align-items:center; justify-content:space-between; padding:36px 40px; }
}
.cta-band h2{ color:#fff; font-size:clamp(20px,2.2vw,26px); }
.cta-band p{ margin-top:8px; font-size:14.5px; color:rgba(255,255,255,.82); max-width:34em; }
.cta-actions{ display:flex; flex-direction:column; gap:12px; }
@media (min-width:768px){ .cta-actions{ flex-direction:row; gap:12px; } }
.btn-c{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height:46px; padding:0 26px; border-radius:var(--r-btn);
  font-size:14.5px; font-weight:600; letter-spacing:.02em; border:1px solid transparent;
  transition:background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease);
}
.btn-c svg{ width:17px; height:17px; fill:none; stroke:currentColor; stroke-width:1.7; stroke-linecap:round; stroke-linejoin:round; transition:transform .24s var(--ease); }
.btn-c:hover svg{ transform:translateX(4px); }
.btn-c:active{ transform:translateY(1px); }
.btn-solid{ background:#fff; color:var(--c-primary); }
.btn-solid:hover{ background:#F1F6F3; color:var(--c-primary-dark); }
.btn-line{ border-color:rgba(255,255,255,.42); color:#fff; background:transparent; }
.btn-line:hover{ background:rgba(255,255,255,.12); color:#fff; border-color:#fff; }
.btn-ghost{
  background:transparent; border-color:var(--c-line); color:var(--c-ink);
}
.btn-ghost:hover{ background:var(--c-primary-weak); border-color:var(--c-primary); color:var(--c-primary); }
@media (max-width:767px){ .cta-actions .btn-c{ width:100%; } }

/* ============ 页脚 ============ */
.site-footer{ background:var(--c-ink); color:rgba(255,255,255,.72); margin-top:8px; }
.footer-top{ border-top:1px solid rgba(255,255,255,.08); padding:56px 0 40px; }
.footer-grid{ display:grid; grid-template-columns:1fr; gap:32px; }
@media (min-width:768px){ .footer-grid{ grid-template-columns:1.4fr 1fr 1fr; } }
@media (min-width:992px){ .footer-grid{ grid-template-columns:1.5fr 1fr 1fr 1.2fr; } }
.footer-brand{ display:flex; align-items:center; gap:10px; color:#fff; font-weight:600; font-size:16px; }
.footer-brand .brand-mark{ background:var(--c-accent); color:#fff; }
.footer-desc{ margin-top:14px; font-size:13.5px; line-height:1.85; color:rgba(255,255,255,.6); max-width:30em; }
.footer-col h4{ color:#fff; font-size:14px; letter-spacing:.04em; margin-bottom:14px; }
.footer-col ul li{ margin-bottom:10px; }
.footer-col a{ color:rgba(255,255,255,.72); font-size:14px; }
.footer-col a:hover{ color:var(--c-accent); }
.footer-note{ font-size:13.5px; line-height:1.8; color:rgba(255,255,255,.6); margin-bottom:14px; }
.footer-form{ display:flex; gap:10px; flex-wrap:wrap; }
.footer-form input{
  flex:1 1 160px; min-width:0; height:46px; padding:0 14px; border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18); background:rgba(255,255,255,.06); color:#fff; font-size:14px;
  transition:border-color .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
}
.footer-form input::placeholder{ color:rgba(255,255,255,.42); }
.footer-form input:focus{ outline:none; border-color:var(--c-primary-weak); box-shadow:0 0 0 3px rgba(230,240,236,.18); background:rgba(255,255,255,.10); }
.footer-form input.err{ border-color:var(--c-accent); }
.footer-form button{
  height:46px; padding:0 22px; border:0; border-radius:var(--r-btn);
  background:var(--c-accent); color:#fff; font-size:14px; font-weight:600;
  transition:background .18s var(--ease), transform .18s var(--ease);
}
.footer-form button:hover{ background:#C2481F; }
.footer-form button:active{ transform:translateY(1px); }
.form-msg{ flex:1 1 100%; font-size:12.5px; color:var(--c-accent); min-height:16px; }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 28px; display:flex; flex-wrap:wrap; gap:10px 24px;
  justify-content:space-between; font-size:13px; color:rgba(255,255,255,.5);
}

/* ============ 动效 ============ */
.reveal{ opacity:0; transform:translateY(12px); transition:opacity .32s var(--ease), transform .32s var(--ease); }
.reveal.in{ opacity:1; transform:none; }
.num-item.reveal{ transition-delay:calc(var(--i,0) * 60ms); }
@media (prefers-reduced-motion:reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  *{ animation:none !important; transition-duration:.01ms !important; }
}

/* roulang page: article */
:root{
  --c-ink:#12171A;
  --c-ink-2:#2B343A;
  --c-muted:#6B767D;
  --c-paper:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-primary:#17604F;
  --c-primary-dark:#12503F;
  --c-primary-weak:#E6F0EC;
  --c-accent:#D9552B;
  --c-accent-weak:#FBEDE6;
  --c-line:#E3DFD6;
  --r-img:12px;
  --r-card:10px;
  --r-btn:8px;
  --sh-1:0 1px 2px rgba(18,23,26,.05), 0 8px 24px -16px rgba(18,23,26,.18);
  --sh-2:0 2px 6px rgba(18,23,26,.06), 0 18px 36px -20px rgba(18,23,26,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --f-serif:"Songti SC","Noto Serif SC","Source Han Serif SC",Georgia,"SimSun",serif;
  --f-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --sidebar-w:232px;
  --bs-body-font-family:var(--f-sans);
  --bs-body-color:var(--c-ink);
  --bs-body-bg:var(--c-paper);
  --bs-link-color:var(--c-primary);
  --bs-link-hover-color:var(--c-primary-dark);
  --bs-border-color:var(--c-line);
  --bs-border-radius:10px;
}
@media (min-width:1200px){:root{--sidebar-w:248px;}}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;background:var(--c-paper);color:var(--c-ink);font-family:var(--f-sans);font-size:16px;line-height:1.7;font-variant-numeric:tabular-nums;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .16s var(--ease);}
a:hover{color:var(--c-primary-dark);}
h1,h2,h3,h4,h5{margin:0;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.skip-link{position:absolute;left:-9999px;top:10px;z-index:2000;background:var(--c-primary);color:#fff;padding:10px 18px;border-radius:var(--r-btn);font-size:14px;}
.skip-link:focus{left:16px;color:#fff;}

/* ---------- App shell ---------- */
.app-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--c-ink);color:rgba(255,255,255,.75);
  display:flex;flex-direction:column;padding:0 12px 16px;z-index:1045;
  overflow-y:auto;
}
.side-brand{
  height:72px;display:flex;align-items:center;gap:10px;padding:0 10px;
  border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:14px;flex:0 0 auto;
}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:8px;background:var(--c-primary);
  color:#fff;display:grid;place-items:center;font-family:var(--f-serif);font-size:16px;font-weight:700;
}
.brand-text{font-size:15px;font-weight:700;color:#fff;letter-spacing:.01em;line-height:1.2;}
.sidebar-nav{display:flex;flex-direction:column;gap:2px;}
.nav-group-title{
  font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.42);
  padding:18px 12px 8px;text-transform:none;
}
.side-link{
  position:relative;display:flex;align-items:center;gap:10px;height:44px;
  padding:0 12px;border-radius:8px;font-size:14px;color:rgba(255,255,255,.72);
  transition:background .16s var(--ease),color .16s var(--ease);
}
.side-link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:0;height:20px;border-radius:2px;background:var(--c-primary);
  transition:width .24s var(--ease);
}
.side-link svg{width:18px;height:18px;flex:0 0 18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.side-link:hover{background:rgba(255,255,255,.07);color:#fff;}
.side-link.active{background:rgba(23,96,79,.22);color:#fff;font-weight:600;}
.side-link.active::before{width:3px;}
.side-foot{margin-top:auto;padding:16px 4px 0;border-top:1px solid rgba(255,255,255,.08);}
.side-login{
  display:flex;align-items:center;justify-content:center;gap:6px;
  height:44px;border-radius:var(--r-btn);background:var(--c-primary);color:#fff;
  font-size:14px;font-weight:600;transition:background .16s var(--ease);
}
.side-login:hover{background:var(--c-primary-dark);color:#fff;}
.side-record{font-size:11.5px;line-height:1.6;color:rgba(255,255,255,.36);margin:12px 4px 0;}

/* ---------- Mobile bar & drawer ---------- */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:1030;height:56px;
  align-items:center;gap:12px;padding:0 16px;
  background:rgba(247,245,240,.94);backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--c-line);
}
.mb-btn{
  width:38px;height:38px;border:1px solid var(--c-line);border-radius:8px;
  background:var(--c-surface);display:grid;place-items:center;cursor:pointer;padding:0;
}
.mb-btn svg{width:18px;height:18px;fill:none;stroke:var(--c-ink);stroke-width:1.8;stroke-linecap:round;}
.mb-brand{font-size:15px;font-weight:700;color:var(--c-ink);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.mb-home{
  width:38px;height:38px;border-radius:8px;background:var(--c-primary-weak);
  display:grid;place-items:center;
}
.mb-home svg{width:18px;height:18px;fill:none;stroke:var(--c-primary);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,23,26,.4);z-index:1040;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.show{opacity:1;visibility:visible;}

/* ---------- Layout ---------- */
.app-main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
.container-main{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
@media (min-width:1440px){.container-main{max-width:1320px;}}
.app-content{flex:1 0 auto;padding-bottom:8px;}

/* ---------- Buttons ---------- */
.btn-main{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 28px;
  border-radius:var(--r-btn);background:var(--c-primary);border:1px solid var(--c-primary);
  color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  transition:background .16s var(--ease),transform .16s var(--ease);
}
.btn-main:hover{background:var(--c-primary-dark);color:#fff;}
.btn-main:active{transform:translateY(1px);}
.btn-main .arw{transition:transform .24s var(--ease);}
.btn-main:hover .arw{transform:translateX(4px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 24px;
  border-radius:var(--r-btn);border:1px solid var(--c-line);background:transparent;
  color:var(--c-ink);font-size:15px;font-weight:600;cursor:pointer;
  transition:background .16s var(--ease),border-color .16s var(--ease),color .16s var(--ease);
}
.btn-ghost:hover{background:var(--c-primary-weak);border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:active{transform:translateY(1px);}

.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--c-primary);position:relative;
}
.link-more::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.link-more:hover::after{transform:scaleX(1);}

/* ---------- Pills & badges ---------- */
.pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--c-primary-weak);color:var(--c-primary);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.pill-accent{background:var(--c-accent-weak);color:var(--c-accent);}
.pill-plain{background:#EFEDE7;color:var(--c-muted);font-weight:500;}

/* ---------- Breadcrumb ---------- */
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:12.5px;color:var(--c-muted);padding:28px 0 0;
}
.crumb a{color:var(--c-muted);border-bottom:1px solid transparent;transition:.16s var(--ease);}
.crumb a:hover{color:var(--c-primary);border-bottom-color:var(--c-primary);}
.crumb-sep{color:#C7C2B8;}
.crumb-cur{color:var(--c-ink-2);}

/* ---------- Article head ---------- */
.art-head{padding:22px 0 34px;border-bottom:1px solid var(--c-line);}
.art-title{
  font-family:var(--f-serif);font-weight:700;color:var(--c-ink);
  font-size:clamp(28px,3.6vw,44px);line-height:1.3;margin:16px 0 0;letter-spacing:0;
}
.art-meta{
  display:flex;flex-wrap:wrap;gap:6px 22px;margin-top:22px;
  font-size:13px;color:var(--c-muted);
}
.art-meta time{color:var(--c-muted);}
.art-meta .sep{color:#C7C2B8;}

/* ---------- Article layout ---------- */
.art-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;padding:48px 0 8px;}
@media (min-width:1200px){
  .art-layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:56px;}
}
.article-body{max-width:760px;font-size:16px;line-height:1.85;color:var(--c-ink-2);}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 20px;}
.article-body h2{
  position:relative;font-family:var(--f-serif);font-weight:700;color:var(--c-ink);
  font-size:clamp(22px,2.2vw,28px);line-height:1.4;margin:44px 0 18px;padding-left:16px;scroll-margin-top:88px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;width:4px;height:.9em;
  border-radius:2px;background:var(--c-primary);
}
.article-body h3{
  font-family:var(--f-serif);font-size:20px;font-weight:700;color:var(--c-ink);
  margin:32px 0 14px;scroll-margin-top:88px;
}
.article-body h4{font-size:17px;color:var(--c-ink);margin:24px 0 12px;}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(23,96,79,.35);}
.article-body a:hover{border-bottom-color:var(--c-primary);}
.article-body strong{color:var(--c-ink);font-weight:600;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--c-accent);
  background:#FBF8F3;border-radius:0 8px 8px 0;color:var(--c-ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:8px;margin:24px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  text-align:center;font-size:13px;color:var(--c-muted);margin-top:10px;
}
.article-body ul,.article-body ol{list-style:none;padding-left:0;margin:0 0 20px;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;
  border-radius:1px;background:var(--c-primary);
}
.article-body ol{counter-reset:artol;}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:artol;}
.article-body ol li::before{
  content:counter(artol,decimal-leading-zero);position:absolute;left:0;top:.1em;
  font-size:13px;font-weight:700;color:var(--c-accent);font-variant-numeric:tabular-nums;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--c-line);border-radius:8px;overflow:hidden;
}
.article-body th{
  background:var(--c-primary-weak);color:var(--c-primary);text-align:left;font-weight:600;
  padding:12px 14px;border-bottom:1px solid var(--c-line);
}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--c-line);}
.article-body tbody tr:nth-child(even){background:#FBFAF7;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:36px 0;}

.article-empty{
  max-width:760px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:56px 32px;text-align:center;box-shadow:var(--sh-1);
}
.article-empty svg{width:44px;height:44px;margin:0 auto 18px;fill:none;stroke:var(--c-primary);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.article-empty h2{font-family:var(--f-serif);font-size:24px;margin-bottom:12px;color:var(--c-ink);}
.article-empty p{font-size:14.5px;color:var(--c-muted);margin-bottom:26px;}

/* ---------- Sticky TOC ---------- */
.art-aside{display:none;}
@media (min-width:1200px){.art-aside{display:block;}}
.toc-card{
  position:sticky;top:32px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:12px;padding:20px;box-shadow:var(--sh-1);
}
.toc-title{font-size:12px;letter-spacing:.08em;color:var(--c-muted);margin-bottom:12px;font-weight:600;}
.toc-list{list-style:none;padding:0;display:grid;gap:2px;}
.toc-list a{
  display:block;padding:8px 10px;border-left:2px solid transparent;border-radius:0 6px 6px 0;
  font-size:13.5px;line-height:1.5;color:var(--c-ink-2);transition:.16s var(--ease);
}
.toc-list a:hover{background:var(--c-primary-weak);color:var(--c-primary);}
.toc-list a.active{border-left-color:var(--c-primary);background:var(--c-primary-weak);color:var(--c-primary);font-weight:600;}
.toc-side-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line);
  font-size:12.5px;line-height:1.75;color:var(--c-muted);
}

/* ---------- Tag row ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:44px;padding-top:26px;border-top:1px solid var(--c-line);}
.tag-row .tag-label{font-size:12.5px;color:var(--c-muted);letter-spacing:.06em;}
.tag-chip{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);
  font-size:13px;transition:.16s var(--ease);
}
.tag-chip:hover{border-color:var(--c-primary);background:var(--c-primary-weak);color:var(--c-primary);}

/* ---------- Section shared ---------- */
.sec{padding:64px 0 0;}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  padding-bottom:18px;border-bottom:1px solid var(--c-line);margin-bottom:32px;
}
.sec-head h2{font-family:var(--f-serif);font-size:clamp(22px,2.4vw,30px);line-height:1.3;color:var(--c-ink);}
.sec-head p{font-size:13.5px;color:var(--c-muted);margin-top:8px;}

/* ---------- Dual nav cards ---------- */
.pn-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.pn-grid{grid-template-columns:1fr 1fr;}}
.pn-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .16s var(--ease),border-color .16s var(--ease),box-shadow .24s var(--ease);
}
.pn-card:hover{transform:translateY(-3px);border-color:#BBD4CB;box-shadow:var(--sh-2);}
.pn-kicker{font-size:12px;letter-spacing:.08em;color:var(--c-accent);font-weight:600;}
.pn-title{font-family:var(--f-serif);font-size:18px;font-weight:700;color:var(--c-ink);margin:10px 0 8px;line-height:1.45;}
.pn-desc{font-size:13.5px;line-height:1.75;color:var(--c-muted);}
.pn-arrow{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--c-primary);margin-top:14px;transition:gap .24s var(--ease);}
.pn-card:hover .pn-arrow{gap:12px;}

/* ---------- Recommend cards ---------- */
.rec-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){.rec-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1200px){.rec-grid{grid-template-columns:repeat(3,1fr);}}
.rec-card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .16s var(--ease),border-color .16s var(--ease),box-shadow .24s var(--ease);
}
.rec-card:hover{transform:translateY(-3px);border-color:#BBD4CB;box-shadow:var(--sh-2);}
.rec-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDEAE3;}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.rec-card:hover .rec-thumb img{transform:scale(1.03);}
.rec-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.rec-body h3{
  font-family:var(--f-serif);font-size:17.5px;line-height:1.5;color:var(--c-ink);
  margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rec-body h3 a{color:inherit;}
.rec-card:hover .rec-body h3 a{color:var(--c-primary);}
.rec-body p{
  font-size:13.5px;line-height:1.8;color:var(--c-muted);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rec-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--c-muted);}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--c-primary);color:#fff;border-radius:12px;
  padding:34px 38px;margin:64px 0 0;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-family:var(--f-serif);font-size:clamp(20px,2.1vw,26px);line-height:1.4;color:#fff;margin-bottom:8px;}
.cta-band p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.82);max-width:46em;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn-band{
  display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 20px;
  border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.4);background:transparent;
  color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.btn-band:hover{background:rgba(255,255,255,.16);color:#fff;}
.btn-band:active{transform:translateY(1px);}
.btn-band.solid{background:#fff;color:var(--c-primary);border-color:#fff;}
.btn-band.solid:hover{background:#F1EFE9;color:var(--c-primary-dark);}

/* ---------- Back row ---------- */
.back-row{display:flex;justify-content:center;padding:40px 0 0;}

/* ---------- Footer ---------- */
.site-footer{margin-top:auto;background:var(--c-ink);color:rgba(255,255,255,.72);padding:0 0 24px;}
.footer-top{padding:56px 0 0;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:700;margin-bottom:16px;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:34em;}
.footer-col h4{font-size:13px;letter-spacing:.06em;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul{list-style:none;padding:0;display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:var(--c-accent);}
.footer-note{font-size:13px;line-height:1.75;color:rgba(255,255,255,.55);margin-bottom:12px;}
.footer-form{display:flex;gap:8px;}
.footer-form input{
  flex:1;min-width:0;height:44px;border-radius:8px;padding:0 12px;font-size:14px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.footer-form input::placeholder{color:rgba(255,255,255,.42);}
.footer-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(23,96,79,.4);}
.footer-form input.err{border-color:var(--c-accent);}
.footer-form button{
  height:44px;padding:0 18px;border:0;border-radius:8px;background:var(--c-primary);
  color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background .16s var(--ease);
}
.footer-form button:hover{background:#1C7661;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- Toast ---------- */
.toast-tip{
  position:fixed;left:50%;bottom:36px;transform:translate(-50%,14px);
  background:var(--c-ink);color:#fff;font-size:14px;padding:12px 22px;border-radius:999px;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;z-index:2000;
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease);
}
.toast-tip.show{opacity:1;visibility:visible;transform:translate(-50%,0);}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease);}
.reveal.in{opacity:1;transform:translateY(0);}

/* ---------- Responsive ---------- */
@media (max-width:1399.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px;}
}
@media (max-width:991.98px){
  .app-sidebar{width:280px;transform:translateX(-100%);transition:transform .24s var(--ease);}
  .app-sidebar.open{transform:translateX(0);}
  .app-main{margin-left:0;}
  .mobile-bar{display:flex;}
  .container-main{padding:0 24px;}
  .crumb{padding-top:20px;}
  .art-layout{padding-top:36px;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:28px 24px;}
  .cta-actions{width:100%;}
  .btn-band{flex:1 1 auto;}
}
@media (max-width:767.98px){
  .container-main{padding:0 18px;}
  .sec{padding-top:48px;}
  .art-head{padding-bottom:26px;}
  .article-empty{padding:40px 20px;}
  .rec-body{padding:18px;}
  .cta-band{margin-top:48px;}
  .cta-actions{flex-direction:column;gap:12px;}
  .btn-band{width:100%;}
  .back-row .btn-ghost{width:100%;justify-content:center;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-top{padding-top:44px;}
}
@media (max-width:575.98px){
  body{font-size:15px;}
  .container-main{padding:0 16px;}
  .art-title{font-size:26px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .footer-form{flex-direction:column;}
  .footer-form button{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --c-ink:#12171A;
  --c-ink-2:#2B343A;
  --c-muted:#6B767D;
  --c-paper:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-primary:#17604F;
  --c-primary-deep:#11503F;
  --c-primary-weak:#E6F0EC;
  --c-primary-light:#3E9683;
  --c-accent:#D9552B;
  --c-accent-weak:#FBEDE7;
  --c-line:#E3DFD6;
  --c-line-strong:#CFC9BC;

  --font-display:"Source Han Serif SC","Noto Serif SC","Songti SC","SimSun",Georgia,serif;
  --font-body:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;

  --radius-img:12px;
  --radius-card:10px;
  --radius-btn:8px;
  --radius-pill:999px;

  --sh-1:0 1px 2px rgba(18,23,26,.05), 0 8px 24px -16px rgba(18,23,26,.18);
  --sh-2:0 2px 6px rgba(18,23,26,.06), 0 18px 36px -20px rgba(18,23,26,.22);

  --ease:cubic-bezier(.22,.61,.36,1);
  --t-fast:160ms;
  --t-mid:240ms;
  --t-slow:320ms;

  --sidebar-w:232px;

  --bs-body-bg:#F7F5F0;
  --bs-body-color:#12171A;
  --bs-link-color:#17604F;
  --bs-link-hover-color:#11503F;
  --bs-border-color:#E3DFD6;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-body-font-family:var(--bs-font-sans-serif);
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t-fast) var(--ease);}
a:hover{color:var(--c-primary-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;color:var(--c-ink);margin:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
time,.num{font-variant-numeric:tabular-nums;letter-spacing:-.01em;}

:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
  border-radius:4px;
}

.skip-link{
  position:absolute;left:-9999px;top:0;
  background:var(--c-primary);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:2000;
}
.skip-link:focus{left:0;color:#fff;}

/* ============ 侧栏 App Shell ============ */
.app-sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--c-ink);
  display:flex;
  flex-direction:column;
  z-index:1050;
  border-right:1px solid rgba(255,255,255,.06);
}
.sidebar-logo{
  height:72px;
  flex:0 0 72px;
  display:flex;
  align-items:center;
  gap:10px;
  padding:0 20px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;
  border-radius:8px;
  background:var(--c-primary);
  color:#fff;
  display:grid;place-items:center;
  font-family:var(--font-display);
  font-size:17px;
  line-height:1;
}
.brand-text{
  color:#F2F0EB;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.sidebar-nav{
  flex:1 1 auto;
  overflow-y:auto;
  padding:14px 0 10px;
}
.nav-group-title{
  font-size:12px;
  letter-spacing:.08em;
  color:rgba(242,240,235,.42);
  padding:18px 24px 8px;
  font-weight:500;
}
.side-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 14px;
  margin:2px 12px;
  border-radius:8px;
  color:rgba(242,240,235,.72);
  font-size:14px;
  transition:background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.side-link svg{
  width:18px;height:18px;flex:0 0 18px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.6;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.side-link::before{
  content:"";
  position:absolute;
  left:-12px;top:9px;bottom:9px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--c-primary-light);
  transform:scaleY(0);
  transform-origin:center;
  transition:transform var(--t-mid) var(--ease);
}
.side-link:hover{
  background:rgba(255,255,255,.06);
  color:#fff;
}
.side-link.active{
  background:rgba(23,96,79,.34);
  color:#fff;
}
.side-link.active::before{transform:scaleY(1);}
.sidebar-foot{
  flex:0 0 auto;
  padding:14px 16px 18px;
  border-top:1px solid rgba(255,255,255,.08);
}
.side-login-btn{
  display:flex;
  align-items:center;
  justify-content:center;
  height:42px;
  border-radius:8px;
  background:var(--c-primary);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.side-login-btn:hover{background:var(--c-primary-deep);color:#fff;}
.side-login-btn:active{transform:translateY(1px);}
.side-record{
  margin-top:12px;
  font-size:12px;
  line-height:1.6;
  color:rgba(242,240,235,.42);
  text-align:center;
}

/* ============ 移动顶栏 ============ */
.topbar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:56px;
  background:var(--c-ink);
  z-index:1060;
  align-items:center;
  justify-content:space-between;
  padding:0 12px;
}
.topbar-brand{
  color:#F2F0EB;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
}
.topbar-btn{
  width:40px;height:40px;
  display:grid;place-items:center;
  border:0;background:transparent;
  color:#E9E6E0;
  border-radius:8px;
  cursor:pointer;
  transition:background var(--t-fast) var(--ease);
}
.topbar-btn:hover{background:rgba(255,255,255,.08);color:#fff;}
.topbar-btn svg{
  width:20px;height:20px;
  fill:none;stroke:currentColor;stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round;
}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(18,23,26,.55);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--t-mid) var(--ease), visibility var(--t-mid) var(--ease);
  z-index:1040;
}
.drawer-mask.show{opacity:1;visibility:visible;}

/* ============ 主区域 ============ */
.main-area{
  margin-left:var(--sidebar-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.container-main{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}

/* ============ 通用排版 ============ */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:#F1EEE7;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  padding-bottom:20px;
  border-bottom:1px solid var(--c-line);
  margin-bottom:40px;
}
.section-title{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.3;
}
.section-sub{
  margin-top:10px;
  font-size:14px;
  color:var(--c-muted);
  max-width:640px;
}
.section-link{
  position:relative;
  flex:0 0 auto;
  font-size:14px;
  font-weight:600;
  color:var(--c-primary);
  padding-bottom:2px;
}
.section-link::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:100%;height:1px;
  background:currentColor;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t-mid) var(--ease);
}
.section-link:hover::after{transform:scaleX(1);}

.eyebrow{
  font-size:12px;
  letter-spacing:.1em;
  color:var(--c-accent);
  font-weight:600;
  text-transform:uppercase;
}

.pill{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--radius-pill);
  background:var(--c-primary-weak);
  color:var(--c-primary);
  font-size:12px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
}
.pill-accent{background:var(--c-accent);color:#fff;}
.pill-soft{background:#EFEDE7;color:var(--c-muted);}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  min-height:300px;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  background:var(--c-ink);
}
.hero-bg{
  position:absolute;
  inset:0;
  width:100%;height:100%;
  object-fit:cover;
  opacity:.9;
}
.hero-veil{
  position:absolute;
  inset:0;
  background:rgba(18,23,26,.62);
}
.hero-veil-2{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(18,23,26,.12) 0%, rgba(18,23,26,.82) 100%);
}
.hero-inner{
  position:relative;
  z-index:2;
  padding-top:56px;
  padding-bottom:44px;
  width:100%;
}
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(242,240,235,.72);
  margin-bottom:18px;
}
.crumbs a{
  position:relative;
  color:rgba(242,240,235,.82);
}
.crumbs a::after{
  content:"";
  position:absolute;left:0;bottom:-2px;
  width:100%;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--t-mid) var(--ease);
}
.crumbs a:hover{color:#fff;}
.crumbs a:hover::after{transform:scaleX(1);}
.crumbs .sep{opacity:.5;}
.crumbs .current{color:rgba(242,240,235,.6);}
.page-hero h1{
  color:#fff;
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.24;
  margin:16px 0 14px;
  max-width:16em;
}
.hero-sub{
  color:rgba(242,240,235,.82);
  font-size:16px;
  max-width:42em;
  line-height:1.8;
}

/* ============ 时间轴 ============ */
.timeline-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;
  align-items:start;
}
.timeline{
  position:relative;
  padding-left:38px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:9px;top:12px;bottom:12px;
  width:1px;
  background:var(--c-line);
}
.tl-item{
  position:relative;
  padding-bottom:28px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:absolute;
  left:-38px;
  top:14px;
  width:19px;height:19px;
  border-radius:50%;
  background:var(--c-paper);
  border:2px solid var(--c-accent);
  transition:transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease);
}
.tl-item:hover .tl-node{
  transform:scale(1.18);
  box-shadow:0 0 0 5px rgba(217,85,43,.12);
}
.tl-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  padding:22px 24px;
  box-shadow:var(--sh-1);
  transition:transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}
.tl-item:hover .tl-card{
  transform:translateY(-3px);
  box-shadow:var(--sh-2);
  border-color:#BFD9D0;
}
.tl-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  margin-bottom:10px;
}
.tl-head h3{
  font-size:20px;
  line-height:1.4;
}
.tl-index{
  font-family:var(--font-display);
  font-size:15px;
  color:var(--c-accent);
  font-weight:700;
  letter-spacing:-.02em;
  margin-right:10px;
}
.tl-date{
  flex:0 0 auto;
  font-size:12px;
  color:var(--c-muted);
  background:#F1EFE9;
  border-radius:var(--radius-pill);
  padding:3px 10px;
  line-height:1.5;
}
.tl-card p{
  font-size:15px;
  color:var(--c-ink-2);
  line-height:1.8;
}
.tl-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
}

/* ============ 侧栏速览卡 ============ */
.side-panel{
  position:sticky;
  top:28px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.panel-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  padding:22px;
  box-shadow:var(--sh-1);
}
.panel-card h3{
  font-size:16px;
  margin-bottom:14px;
  padding-bottom:12px;
  border-bottom:1px solid var(--c-line);
}
.panel-list li{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:9px 0;
  font-size:14px;
  color:var(--c-ink-2);
  border-bottom:1px dashed var(--c-line);
}
.panel-list li:last-child{border-bottom:0;}
.panel-list .dot{
  width:6px;height:6px;flex:0 0 6px;
  background:var(--c-primary);
  border-radius:1px;
  transform:translateY(-2px);
}
.panel-card .btn-main{width:100%;justify-content:center;margin-top:16px;}
.panel-note{
  font-size:13px;
  color:var(--c-muted);
  line-height:1.7;
  margin-top:12px;
}

/* ============ 按钮 ============ */
.btn-main,
.btn-ghost,
.btn-onDark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 28px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  border:1px solid transparent;
  transition:background var(--t-mid) var(--ease), color var(--t-mid) var(--ease),
             border-color var(--t-mid) var(--ease), transform var(--t-fast) var(--ease);
}
.btn-main{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:#fff;
}
.btn-main:hover{background:var(--c-primary-deep);border-color:var(--c-primary-deep);color:#fff;}
.btn-main:active{transform:translateY(1px);}
.btn-main .arrow{transition:transform var(--t-mid) var(--ease);}
.btn-main:hover .arrow{transform:translateX(4px);}

.btn-ghost{
  background:transparent;
  border-color:var(--c-line-strong);
  color:var(--c-ink);
}
.btn-ghost:hover{background:var(--c-primary-weak);border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:active{transform:translateY(1px);}

.btn-onDark{
  background:transparent;
  border-color:rgba(255,255,255,.42);
  color:#fff;
}
.btn-onDark:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}
.btn-onDark:active{transform:translateY(1px);}

.btn-main[disabled],
.btn-ghost[disabled],
.btn-onDark[disabled]{
  opacity:.45;
  pointer-events:none;
}

/* ============ 数据条 ============ */
.stat-bar{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:var(--c-line);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  overflow:hidden;
}
.stat-item{
  background:var(--c-surface);
  padding:26px 24px;
  transition:background var(--t-mid) var(--ease);
}
.stat-item:hover{background:#FBF9F5;}
.stat-num{
  font-family:var(--font-display);
  font-size:32px;
  line-height:1.1;
  color:var(--c-accent);
  letter-spacing:-.02em;
}
.stat-num small{
  font-size:14px;
  font-family:var(--font-body);
  color:var(--c-muted);
  margin-left:4px;
  letter-spacing:0;
}
.stat-label{
  margin-top:8px;
  font-size:14px;
  color:var(--c-muted);
}

/* ============ 表格 ============ */
.table-wrap{
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  overflow:hidden;
  background:var(--c-surface);
  box-shadow:var(--sh-1);
}
table.fit-table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
}
table.fit-table thead th{
  background:#F1EFE9;
  color:var(--c-ink-2);
  font-size:13px;
  letter-spacing:.04em;
  font-weight:600;
  text-align:left;
  padding:14px 20px;
  border-bottom:1px solid var(--c-line);
  white-space:nowrap;
}
table.fit-table tbody td{
  padding:16px 20px;
  border-bottom:1px solid var(--c-line);
  color:var(--c-ink-2);
  vertical-align:top;
}
table.fit-table tbody tr:nth-child(even){background:#FBFAF7;}
table.fit-table tbody tr:last-child td{border-bottom:0;}
table.fit-table tbody tr:hover{background:var(--c-primary-weak);}
table.fit-table td:first-child{
  color:var(--c-ink);
  font-weight:600;
  white-space:nowrap;
}

/* ============ 图文说明块 ============ */
.split-block{
  display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,6fr);
  gap:44px;
  align-items:center;
}
.split-media{
  position:relative;
  border-radius:var(--radius-img);
  overflow:hidden;
  aspect-ratio:4/3;
  background:#E9E5DC;
  box-shadow:var(--sh-1);
}
.split-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform var(--t-slow) var(--ease);
}
.split-media:hover img{transform:scale(1.03);}
.split-body h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.3;
  margin-bottom:14px;
}
.split-body > p{
  color:var(--c-ink-2);
  font-size:15px;
  line-height:1.85;
  margin-bottom:22px;
}
.check-list li{
  position:relative;
  padding:14px 0 14px 24px;
  border-bottom:1px solid var(--c-line);
  font-size:15px;
  color:var(--c-ink-2);
  transition:color var(--t-fast) var(--ease), padding-left var(--t-mid) var(--ease);
}
.check-list li:last-child{border-bottom:0;}
.check-list li::before{
  content:"";
  position:absolute;
  left:2px;top:22px;
  width:8px;height:8px;
  background:var(--c-primary);
  border-radius:1px;
}
.check-list li:hover{color:var(--c-ink);padding-left:30px;}
.check-list strong{color:var(--c-ink);font-weight:600;}

/* ============ FAQ ============ */
.acc .accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--c-line);
}
.acc .accordion-item:first-child{border-top:1px solid var(--c-line);}
.acc .accordion-button{
  position:relative;
  width:100%;
  background:transparent;
  border:0;
  box-shadow:none;
  color:var(--c-ink);
  font-family:var(--font-display);
  font-size:18px;
  font-weight:700;
  padding:22px 52px 22px 20px;
  border-radius:0;
  transition:color var(--t-mid) var(--ease), background var(--t-mid) var(--ease);
}
.acc .accordion-button::before{
  content:"";
  position:absolute;
  left:0;top:16px;bottom:16px;
  width:3px;
  background:var(--c-primary);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform var(--t-mid) var(--ease);
}
.acc .accordion-button:not(.collapsed){
  color:var(--c-primary);
  background:var(--c-primary-weak);
  box-shadow:none;
}
.acc .accordion-button:not(.collapsed)::before{transform:scaleY(1);}
.acc .accordion-button:focus{box-shadow:none;border-color:transparent;}
.acc .accordion-button:focus-visible{outline:2px solid var(--c-primary);outline-offset:-2px;}
.acc .accordion-button::after{
  content:"+";
  background-image:none;
  width:24px;height:24px;
  font-size:22px;
  font-weight:400;
  line-height:1;
  color:var(--c-muted);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:transform var(--t-mid) var(--ease), color var(--t-mid) var(--ease);
}
.acc .accordion-button:not(.collapsed)::after{
  content:"−";
  transform:rotate(180deg);
  color:var(--c-primary);
}
.acc .accordion-body{
  padding:0 20px 24px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-2);
}

/* ============ 相关分类 ============ */
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.related-card{
  display:block;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}
.related-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-2);
  border-color:#BFD9D0;
}
.related-card .rc-num{
  font-family:var(--font-display);
  font-size:13px;
  color:var(--c-accent);
  font-weight:700;
  letter-spacing:.06em;
}
.related-card h3{
  font-size:18px;
  margin:12px 0 10px;
  color:var(--c-ink);
  transition:color var(--t-fast) var(--ease);
}
.related-card:hover h3{color:var(--c-primary);}
.related-card p{
  font-size:14px;
  color:var(--c-muted);
  line-height:1.75;
}
.related-card .rc-go{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:16px;
  font-size:13px;
  font-weight:600;
  color:var(--c-primary);
}
.related-card .rc-go span{transition:transform var(--t-mid) var(--ease);}
.related-card:hover .rc-go span{transform:translateX(4px);}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--c-primary);
  border-radius:12px;
  padding:40px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  color:#fff;
}
.cta-band h2{
  color:#fff;
  font-size:clamp(22px,2.2vw,28px);
  line-height:1.35;
}
.cta-band p{
  margin-top:10px;
  font-size:14px;
  color:rgba(255,255,255,.82);
  max-width:40em;
}
.cta-actions{
  display:flex;
  gap:12px;
  flex:0 0 auto;
}
.cta-actions .btn-onDark,
.cta-actions .btn-solid-white{
  height:46px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:14px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:8px;
  cursor:pointer;
  transition:background var(--t-mid) var(--ease), color var(--t-mid) var(--ease),
             border-color var(--t-mid) var(--ease), transform var(--t-fast) var(--ease);
}
.btn-solid-white{
  background:#fff;
  border:1px solid #fff;
  color:var(--c-primary);
}
.btn-solid-white:hover{background:#F1EFE9;border-color:#F1EFE9;color:var(--c-primary-deep);}
.btn-solid-white:active{transform:translateY(1px);}

/* ============ Toast ============ */
.toast-tip{
  position:fixed;
  left:50%;
  bottom:32px;
  transform:translate(-50%,16px);
  background:var(--c-ink);
  color:#fff;
  font-size:14px;
  padding:12px 22px;
  border-radius:var(--radius-pill);
  box-shadow:var(--sh-2);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--t-mid) var(--ease), transform var(--t-mid) var(--ease), visibility var(--t-mid) var(--ease);
  z-index:1200;
}
.toast-tip.show{opacity:1;visibility:visible;transform:translate(-50%,0);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);
  color:rgba(242,240,235,.72);
  margin-top:auto;
}
.footer-top{
  padding:64px 0 44px;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#F2F0EB;
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:rgba(242,240,235,.62);
  max-width:26em;
}
.footer-col h4{
  color:#F2F0EB;
  font-size:14px;
  font-family:var(--font-body);
  font-weight:600;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{
  font-size:14px;
  color:rgba(242,240,235,.68);
  transition:color var(--t-fast) var(--ease);
}
.footer-col ul li a:hover{color:var(--c-accent);}
.footer-note{
  font-size:13px;
  line-height:1.75;
  color:rgba(242,240,235,.58);
  margin-bottom:14px;
}
.footer-form{
  display:flex;
  gap:10px;
}
.footer-form input{
  flex:1 1 auto;
  min-width:0;
  height:46px;
  padding:0 14px;
  border-radius:8px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.05);
  color:#fff;
  font-size:14px;
  outline:none;
  transition:border-color var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease);
}
.footer-form input::placeholder{color:rgba(242,240,235,.42);}
.footer-form input:focus{
  border-color:var(--c-primary-light);
  box-shadow:0 0 0 3px rgba(62,150,131,.24);
}
.footer-form input.error{
  border-color:var(--c-accent);
  box-shadow:0 0 0 3px rgba(217,85,43,.18);
}
.footer-form button{
  flex:0 0 auto;
  height:46px;
  padding:0 20px;
  border-radius:8px;
  border:1px solid var(--c-primary);
  background:var(--c-primary);
  color:#fff;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:background var(--t-mid) var(--ease);
}
.footer-form button:hover{background:var(--c-primary-deep);}
.form-msg{
  margin-top:10px;
  font-size:13px;
  color:var(--c-accent);
  min-height:18px;
}
.form-msg.ok{color:#8FD3BE;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0 30px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;
  color:rgba(242,240,235,.5);
}

/* ============ 入场动效 ============ */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}
.reveal.in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (min-width:1200px){
  :root{--sidebar-w:248px;}
}
@media (min-width:1440px){
  .container-main{max-width:1320px;}
}
@media (max-width:1199.98px){
  .timeline-wrap{grid-template-columns:minmax(0,1fr);gap:36px;}
  .side-panel{position:static;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-grid > div:last-child{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .app-sidebar{
    width:280px;
    transform:translateX(-100%);
    transition:transform var(--t-slow) var(--ease);
    z-index:1055;
  }
  .app-sidebar.open{transform:translateX(0);}
  .topbar{display:flex;}
  .main-area{margin-left:0;padding-top:56px;}
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px;}
  .cta-actions{width:100%;flex-wrap:wrap;}
  .cta-actions > *{flex:1 1 180px;justify-content:center;}
}
@media (max-width:767.98px){
  .container-main{padding:0 20px;}
  .page-hero{min-height:260px;}
  .hero-inner{padding-top:36px;padding-bottom:32px;}
  .stat-bar{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split-block{grid-template-columns:minmax(0,1fr);gap:28px;}
  .split-media{aspect-ratio:16/9;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .timeline{padding-left:30px;}
  .timeline::before{left:7px;}
  .tl-node{left:-30px;width:17px;height:17px;}
  .tl-head{flex-direction:column;align-items:flex-start;gap:6px;}
}
@media (max-width:575.98px){
  .container-main{padding:0 16px;}
  body{font-size:15px;}
  .section{padding:48px 0;}
  .stat-bar{grid-template-columns:minmax(0,1fr);}
  .tl-card{padding:18px;}
  .cta-band{padding:26px 20px;border-radius:10px;}
  .cta-actions{flex-direction:column;}
  .cta-actions > *{width:100%;}
  .acc .accordion-button{font-size:16px;padding:18px 46px 18px 16px;}
  table.fit-table thead th,
  table.fit-table tbody td{padding:12px 14px;font-size:14px;}
  .btn-main,.btn-ghost{padding:0 20px;}
}

@media (prefers-reduced-motion: reduce){
  *{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --c-ink:#12171A;
  --c-ink-2:#2B343A;
  --c-muted:#6B767D;
  --c-paper:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-primary:#17604F;
  --c-primary-dark:#114A3D;
  --c-primary-weak:#E6F0EC;
  --c-accent:#D9552B;
  --c-accent-weak:#FBEDE7;
  --c-line:#E3DFD6;
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --radius-img:12px;
  --radius-card:10px;
  --radius-btn:8px;
  --sh-1:0 1px 2px rgba(18,23,26,.05),0 8px 24px -16px rgba(18,23,26,.18);
  --sh-2:0 2px 6px rgba(18,23,26,.06),0 18px 36px -20px rgba(18,23,26,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sidebar-w:232px;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#12171A;
  --bs-body-font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --bs-link-color:#17604F;
  --bs-link-hover-color:#114A3D;
  --bs-border-color:#E3DFD6;
  --bs-primary:#17604F;
  --bs-primary-rgb:23,96,79;
  --bs-emphasis-color:#12171A;
  --bs-backdrop-bg:#12171A;
  --bs-backdrop-opacity:.4;
}
@media (min-width:1200px){
  :root{--sidebar-w:248px;}
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .16s var(--ease);}
a:hover{color:var(--c-primary-dark);}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
::selection{background:var(--c-primary-weak);color:var(--c-ink);}

.container-main{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1440px){
  .container-main{max-width:1320px;}
}
@media (max-width:575.98px){
  .container-main{padding:0 18px;}
}

/* ============ 侧栏 App Shell ============ */
.app-sidebar{
  background:var(--c-ink);
  color:rgba(255,255,255,.72);
  display:flex;
  flex-direction:column;
  --bs-offcanvas-width:280px;
  --bs-offcanvas-bg:#12171A;
  --bs-offcanvas-color:rgba(255,255,255,.72);
  --bs-offcanvas-border-width:0;
  --bs-offcanvas-padding-x:0;
  --bs-offcanvas-padding-y:0;
}
@media (max-width:991.98px){
  .app-sidebar{width:280px;max-width:86vw;overflow-y:auto;}
}
@media (min-width:992px){
  .app-sidebar{
    position:fixed;
    top:0;left:0;bottom:0;
    width:var(--sidebar-w);
    height:100%;
    z-index:1030;
    border-right:1px solid rgba(255,255,255,.08);
    overflow:hidden;
  }
}
.sidebar-brand{
  flex:0 0 auto;
  height:72px;
  display:flex;
  align-items:center;
  gap:10px;
  padding:0 18px;
  border-bottom:1px solid rgba(255,255,255,.08);
  color:#fff;
}
.brand-mark{
  flex:0 0 auto;
  width:28px;height:28px;
  border-radius:8px;
  background:var(--c-primary);
  color:#fff;
  display:grid;
  place-items:center;
  font-size:14px;
  font-weight:700;
  line-height:1;
}
.brand-text{
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.side-close{
  margin-left:auto;
  width:32px;height:32px;
  border-radius:8px;
  border:1px solid rgba(255,255,255,.16);
  background:transparent;
  color:rgba(255,255,255,.75);
  display:grid;
  place-items:center;
}
.side-close svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;}
.side-close:hover{background:rgba(255,255,255,.08);color:#fff;}

.sidebar-nav{
  flex:1 1 auto;
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:14px 12px;
}
@media (min-width:992px){
  .sidebar-nav{overflow-y:auto;}
}
.side-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 12px 0 15px;
  border-radius:8px;
  font-size:14px;
  color:rgba(255,255,255,.72);
  transition:background .16s var(--ease),color .16s var(--ease);
}
.side-link svg{
  flex:0 0 auto;
  width:18px;height:18px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.6;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.side-link::before{
  content:"";
  position:absolute;
  left:0;top:9px;bottom:9px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--c-accent);
  transform:scaleY(0);
  transition:transform .24s var(--ease);
}
.side-link:hover{background:rgba(255,255,255,.06);color:#fff;}
.side-link.active{background:rgba(23,96,79,.32);color:#fff;}
.side-link.active::before{transform:scaleY(1);}
.nav-group-title{
  padding:16px 15px 6px;
  font-size:12px;
  letter-spacing:.08em;
  color:rgba(255,255,255,.42);
}
.sidebar-foot{
  flex:0 0 auto;
  padding:16px;
  border-top:1px solid rgba(255,255,255,.08);
}
.btn-side-login{
  display:flex;
  align-items:center;
  justify-content:center;
  height:44px;
  border-radius:8px;
  background:var(--c-primary);
  border:1px solid var(--c-primary);
  color:#fff;
  font-size:14px;
  font-weight:500;
  transition:background .16s var(--ease),border-color .16s var(--ease);
}
.btn-side-login:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff;}
.side-record{
  margin-top:10px;
  font-size:12px;
  line-height:1.6;
  color:rgba(255,255,255,.4);
  font-variant-numeric:tabular-nums;
}

/* ============ 主内容 ============ */
.app-main{
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
@media (min-width:992px){
  .app-main{margin-left:var(--sidebar-w);}
}
.page-wrap{flex:1 1 auto;}

.mobile-topbar{
  position:sticky;
  top:0;
  z-index:1020;
  height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:0 14px;
  background:var(--c-ink);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.topbar-btn{
  width:38px;height:38px;
  border-radius:8px;
  border:1px solid rgba(255,255,255,.16);
  background:transparent;
  color:#fff;
  display:grid;
  place-items:center;
}
.topbar-btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.topbar-btn:hover{background:rgba(255,255,255,.08);}
.topbar-brand{
  display:flex;
  align-items:center;
  gap:8px;
  color:#fff;
  font-size:14.5px;
  font-weight:700;
  min-width:0;
}
.topbar-brand span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.topbar-brand .brand-mark{width:24px;height:24px;border-radius:7px;font-size:12px;}

/* ============ 通用元素 ============ */
.sec{padding:88px 0;}
.sec--tight{padding:56px 0 72px;}
.sec--last{padding:0 0 88px;}
@media (max-width:991.98px){
  .sec{padding:64px 0;}
  .sec--tight{padding:40px 0 56px;}
  .sec--last{padding:0 0 64px;}
}
@media (max-width:575.98px){
  .sec{padding:48px 0;}
  .sec--tight{padding:32px 0 48px;}
  .sec--last{padding:0 0 48px;}
}

.btn-main{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:46px;
  padding:0 28px;
  border-radius:var(--radius-btn);
  background:var(--c-primary);
  border:1px solid var(--c-primary);
  color:#fff;
  font-size:15px;
  font-weight:500;
  transition:background .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease);
}
.btn-main:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff;}
.btn-main:active{transform:translateY(1px);}
.btn-main .arrow{transition:transform .24s var(--ease);}
.btn-main:hover .arrow{transform:translateX(4px);}

.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  border:1px solid var(--c-line);
  background:transparent;
  color:var(--c-ink);
  font-size:15px;
  transition:background .16s var(--ease),border-color .16s var(--ease),color .16s var(--ease);
}
.btn-ghost:hover{background:var(--c-primary-weak);border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost--on-dark{border-color:rgba(255,255,255,.4);color:#fff;}
.btn-ghost--on-dark:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;}

.text-link{
  position:relative;
  font-size:14px;
  font-weight:500;
  color:var(--c-primary);
}
.text-link::after{
  content:"";
  position:absolute;
  left:0;bottom:-3px;
  width:100%;height:1px;
  background:currentColor;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.text-link:hover::after{transform:scaleX(1);}

.pill{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  line-height:1;
  background:var(--c-primary-weak);
  color:var(--c-primary);
  white-space:nowrap;
}
.pill--accent{background:var(--c-accent-weak);color:var(--c-accent);}
.pill--muted{background:#EFEDE7;color:var(--c-muted);}
.pill--solid{background:rgba(18,23,26,.78);color:#fff;}

.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  padding-bottom:18px;
  border-bottom:1px solid var(--c-line);
  margin-bottom:36px;
}
.sec-head h2{
  font-family:var(--font-display);
  font-size:clamp(24px,2.6vw,34px);
  letter-spacing:0;
}
.sec-note{
  font-size:13px;
  color:var(--c-muted);
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}

/* ============ Hero ============ */
.hero-sec{padding:56px 0 0;}
@media (max-width:991.98px){
  .hero-sec{padding:28px 0 0;}
}
.cat-hero{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-img);
  min-height:300px;
  display:flex;
  align-items:flex-end;
  background:var(--c-ink);
  box-shadow:var(--sh-1);
}
.cat-hero__img{
  position:absolute;
  inset:0;
  width:100%;height:100%;
  object-fit:cover;
}
.cat-hero__veil{
  position:absolute;
  inset:0;
  background:linear-gradient(96deg,rgba(18,23,26,.88) 0%,rgba(18,23,26,.66) 52%,rgba(23,96,79,.5) 100%);
}
.cat-hero__body{
  position:relative;
  padding:30px 34px 34px;
  max-width:840px;
  color:#fff;
}
.cat-hero h1{
  font-family:var(--font-display);
  font-size:clamp(24px,3.1vw,38px);
  color:#fff;
  margin:14px 0 12px;
}
.cat-hero__desc{
  font-size:15.5px;
  line-height:1.8;
  color:rgba(255,255,255,.82);
  max-width:660px;
}
.cat-hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:22px;
}
@media (max-width:767.98px){
  .cat-hero{min-height:0;}
  .cat-hero__body{padding:22px 20px 24px;}
  .cat-hero__actions .btn-main,
  .cat-hero__actions .btn-ghost{flex:1 1 100%;justify-content:center;}
}

.crumbs{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--c-muted);
}
.crumbs a{color:var(--c-muted);}
.crumbs a:hover{color:var(--c-primary);text-decoration:underline;}
.crumbs .sep{color:var(--c-line);}
.crumbs--on-dark,
.crumbs--on-dark a{color:rgba(255,255,255,.68);}
.crumbs--on-dark a:hover{color:#fff;}
.crumbs--on-dark .sep{color:rgba(255,255,255,.35);}
.crumbs .current{color:var(--c-ink);}
.crumbs--on-dark .current{color:#fff;}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.stat-cell{
  padding:22px 24px;
  border-right:1px solid var(--c-line);
}
.stat-cell:last-child{border-right:0;}
.stat-num{
  font-family:var(--font-display);
  font-size:clamp(26px,3vw,34px);
  line-height:1.1;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  color:var(--c-ink);
}
.stat-num em{
  font-style:normal;
  font-size:14px;
  color:var(--c-muted);
  margin-left:5px;
  font-family:var(--font-sans);
  letter-spacing:0;
}
.stat-label{
  margin-top:8px;
  font-size:13.5px;
  line-height:1.65;
  color:var(--c-muted);
}
@media (max-width:991.98px){
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat-cell:nth-child(2n){border-right:0;}
  .stat-cell:nth-child(-n+2){border-bottom:1px solid var(--c-line);}
}
@media (max-width:575.98px){
  .stat-strip{grid-template-columns:1fr;}
  .stat-cell{border-right:0;border-bottom:1px solid var(--c-line);}
  .stat-cell:nth-child(-n+2){border-bottom:1px solid var(--c-line);}
  .stat-cell:last-child{border-bottom:0;}
}

/* ============ 错位双栏卡片流 ============ */
.mosaic{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:26px 24px;
}
.mosaic .is-offset{margin-top:36px;}
.mosaic .mid-band{grid-column:1 / -1;margin:12px 0 6px;}
@media (max-width:767.98px){
  .mosaic{grid-template-columns:1fr;}
  .mosaic .is-offset{margin-top:0;}
}

.flow-card{
  display:flex;
  flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.flow-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-2);
  border-color:#B9D6CC;
}
.flow-card__media{
  position:relative;
  overflow:hidden;
  background:#EFEDE7;
}
.flow-card__media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .32s var(--ease);
}
.flow-card:hover .flow-card__media img{transform:scale(1.03);}
.flow-card__media .pill{
  position:absolute;
  left:14px;top:14px;
}
.ratio-16x9{aspect-ratio:16 / 9;}
.ratio-4x3{aspect-ratio:4 / 3;}
.flow-card__body{
  flex:1 1 auto;
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:20px 22px 22px;
}
.flow-card__body h3{
  font-size:19px;
  color:var(--c-ink);
}
.flow-card__body p{
  font-size:14.5px;
  line-height:1.8;
  color:var(--c-muted);
}
.flow-card__meta{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-muted);
}
.flow-card__meta time{font-variant-numeric:tabular-nums;}

.mid-band{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  background:var(--c-ink);
  border-radius:var(--radius-img);
  overflow:hidden;
  color:#fff;
}
.mid-band__cell{
  padding:24px 26px;
  border-right:1px solid rgba(255,255,255,.1);
}
.mid-band__cell:last-child{border-right:0;}
.mid-band__k{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  background:rgba(217,85,43,.2);
  color:#F2A184;
  font-size:12px;
}
.mid-band__cell p{
  margin-top:12px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.74);
}
@media (max-width:991.98px){
  .mid-band{grid-template-columns:1fr;}
  .mid-band__cell{border-right:0;border-bottom:1px solid rgba(255,255,255,.1);}
  .mid-band__cell:last-child{border-bottom:0;}
}

/* ============ 查阅流程 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.step{
  padding-top:22px;
  border-top:1px solid var(--c-line);
}
.step__no{
  display:block;
  font-family:var(--font-display);
  font-size:32px;
  line-height:1.1;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  color:var(--c-accent);
  margin-bottom:10px;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14.5px;line-height:1.8;color:var(--c-muted);}
@media (max-width:991.98px){
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:575.98px){
  .steps{grid-template-columns:1fr;gap:18px;}
}

/* ============ 查阅场景 ============ */
.scenario{
  display:grid;
  grid-template-columns:minmax(0,.92fr) minmax(0,1.28fr);
  gap:56px;
  align-items:start;
}
.scenario__head h2{
  font-family:var(--font-display);
  font-size:clamp(24px,2.6vw,34px);
  margin-bottom:14px;
}
.scenario__head p{
  font-size:15px;
  line-height:1.85;
  color:var(--c-muted);
}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:20px;
}
.scenario__list li{
  padding:18px 0;
  border-bottom:1px solid var(--c-line);
}
.scenario__list li:first-child{padding-top:4px;}
.scenario__list h3{
  font-size:17px;
  margin-bottom:6px;
}
.scenario__list p{
  font-size:14.5px;
  line-height:1.8;
  color:var(--c-muted);
}
@media (max-width:991.98px){
  .scenario{grid-template-columns:1fr;gap:28px;}
}

/* ============ FAQ ============ */
.faq .accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--c-line);
  border-radius:0;
}
.faq .accordion-item:first-of-type{border-top:1px solid var(--c-line);}
.faq .accordion-button{
  position:relative;
  width:100%;
  padding:24px 52px 24px 18px;
  background:transparent;
  border:0;
  border-radius:0;
  font-size:17px;
  font-weight:600;
  color:var(--c-ink);
  box-shadow:none;
  transition:color .16s var(--ease),background .16s var(--ease);
}
.faq .accordion-button::after{display:none;}
.faq .accordion-button::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:3px;height:0;
  border-radius:2px;
  background:var(--c-primary);
  transform:translateY(-50%);
  transition:height .24s var(--ease);
}
.faq .accordion-button:not(.collapsed){
  color:var(--c-primary);
  background:transparent;
  box-shadow:none;
}
.faq .accordion-button:not(.collapsed)::before{height:62%;}
.faq .accordion-button:hover{background:rgba(23,96,79,.04);}
.faq .accordion-button:focus{box-shadow:none;outline:none;}
.faq .accordion-button:focus-visible{outline:2px solid var(--c-primary);outline-offset:-2px;}
.faq .accordion-body{
  padding:0 52px 24px 18px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-muted);
}
.faq-icon{
  position:absolute;
  right:16px;top:50%;
  width:16px;height:16px;
  margin-top:-8px;
  color:var(--c-muted);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:currentColor;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.faq-icon::before{width:14px;height:1.5px;transform:translate(-50%,-50%);}
.faq-icon::after{width:1.5px;height:14px;transform:translate(-50%,-50%);}
.faq .accordion-button:not(.collapsed) .faq-icon{color:var(--c-primary);}
.faq .accordion-button:not(.collapsed) .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}

/* ============ CTA 带 ============ */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding:32px 36px;
  border-radius:var(--radius-img);
  background:var(--c-primary);
  color:#fff;
  box-shadow:var(--sh-1);
}
.cta-band h2{
  font-family:var(--font-display);
  font-size:clamp(20px,2.2vw,26px);
  margin-bottom:8px;
}
.cta-band p{
  font-size:15px;
  color:rgba(255,255,255,.82);
}
.cta-band__actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  flex:0 0 auto;
}
.btn-band{
  height:46px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.36);
  background:rgba(255,255,255,.14);
  color:#fff;
  font-size:15px;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.btn-band:hover{background:#fff;color:var(--c-primary);border-color:#fff;}
.btn-band:active{transform:translateY(1px);}
.btn-band--ghost{background:transparent;}
.btn-band--ghost:hover{background:#fff;color:var(--c-primary);}
@media (max-width:767.98px){
  .cta-band{flex-direction:column;align-items:stretch;padding:26px 22px;gap:20px;}
  .cta-band__actions{flex-direction:column;gap:12px;}
  .btn-band{width:100%;}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);
  color:rgba(255,255,255,.66);
  margin-top:0;
}
.footer-top{
  border-top:1px solid rgba(255,255,255,.08);
  padding:56px 0 40px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:36px 32px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:15.5px;
  font-weight:700;
  margin-bottom:14px;
}
.footer-desc{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.6);
  max-width:340px;
}
.footer-col h4{
  font-size:13px;
  letter-spacing:.06em;
  color:rgba(255,255,255,.92);
  margin-bottom:14px;
  font-weight:600;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{
  font-size:14px;
  color:rgba(255,255,255,.66);
  transition:color .16s var(--ease);
}
.footer-col ul a:hover{color:var(--c-accent);}
.footer-note{
  font-size:13.5px;
  line-height:1.8;
  color:rgba(255,255,255,.56);
  margin-bottom:12px;
}
.footer-form{display:flex;gap:8px;}
.footer-form input{
  flex:1 1 auto;
  min-width:0;
  height:46px;
  padding:0 14px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:14px;
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.footer-form input::placeholder{color:rgba(255,255,255,.42);}
.footer-form input:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(23,96,79,.4);
}
.footer-form input.is-error{
  border-color:var(--c-accent);
  box-shadow:0 0 0 3px rgba(217,85,43,.28);
}
.footer-form button{
  flex:0 0 auto;
  height:46px;
  padding:0 20px;
  border-radius:var(--radius-btn);
  border:1px solid var(--c-primary);
  background:var(--c-primary);
  color:#fff;
  font-size:14px;
  white-space:nowrap;
  transition:background .16s var(--ease),border-color .16s var(--ease);
}
.footer-form button:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;
  color:rgba(255,255,255,.48);
  font-variant-numeric:tabular-nums;
}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-top{padding:40px 0 32px;}
  .footer-form{flex-direction:column;}
  .footer-form button{width:100%;}
}

/* ============ 动效与提示 ============ */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .32s var(--ease),transform .32s var(--ease);
  transition-delay:var(--d,0ms);
}
.reveal.is-visible{opacity:1;transform:none;}

.toast-note{
  position:fixed;
  left:50%;
  bottom:28px;
  z-index:2000;
  max-width:calc(100% - 40px);
  padding:12px 20px;
  border-radius:var(--radius-btn);
  background:var(--c-ink);
  color:#fff;
  font-size:14px;
  opacity:0;
  transform:translate(-50%,16px);
  pointer-events:none;
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.toast-note.show{opacity:1;transform:translate(-50%,0);}

@media (prefers-reduced-motion:reduce){
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category4 */
:root{
  --c-ink:#12171A;
  --c-ink-2:#2B343A;
  --c-muted:#6B767D;
  --c-paper:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-primary:#17604F;
  --c-primary-dark:#12513F;
  --c-primary-weak:#E6F0EC;
  --c-accent:#D9552B;
  --c-accent-weak:#FBE9E1;
  --c-line:#E3DFD6;
  --sidebar-w:232px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,"SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r-img:12px;
  --r-card:10px;
  --r-btn:8px;
  --sh-1:0 1px 2px rgba(18,23,26,.05),0 8px 24px -16px rgba(18,23,26,.18);
  --sh-2:0 2px 6px rgba(18,23,26,.07),0 18px 36px -20px rgba(18,23,26,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-body-font-family:var(--font-sans);
  --bs-body-color:var(--c-ink);
  --bs-body-bg:var(--c-paper);
  --bs-primary:#17604F;
  --bs-link-color:#17604F;
  --bs-link-hover-color:#12513F;
  --bs-border-color:#E3DFD6;
  --bs-border-radius:10px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.drawer-open{overflow:hidden;}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .16s var(--ease);}
a:hover{color:var(--c-primary-dark);text-decoration:none;}
h1,h2,h3,h4,h5{font-family:var(--font-serif);font-weight:700;line-height:1.28;margin:0;color:var(--c-ink);letter-spacing:0;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
::selection{background:var(--c-primary-weak);color:var(--c-primary-dark);}

/* ---------- 壳层 ---------- */
.app-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--c-ink);
  display:flex;flex-direction:column;
  padding:0 14px 18px;
  overflow-y:auto;
  z-index:1045;
  scrollbar-width:thin;
}
.sidebar-logo{
  display:flex;align-items:center;gap:10px;height:72px;flex:0 0 auto;
  border-bottom:1px solid rgba(255,255,255,.08);
  color:#fff;
}
.sidebar-logo:hover{color:#fff;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:9px;
  background:var(--c-primary);color:#fff;
  display:grid;place-items:center;
  font-family:var(--font-serif);font-size:17px;font-weight:700;
}
.brand-text{font-family:var(--font-serif);font-size:15px;font-weight:700;line-height:1.25;letter-spacing:0;}
.sidebar-nav{margin-top:14px;display:flex;flex-direction:column;gap:4px;}
.nav-group-title{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.42);padding:18px 12px 6px;}
.side-link{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:8px;
  color:rgba(255,255,255,.72);font-size:14px;
  transition:background .16s var(--ease),color .16s var(--ease);
}
.side-link svg{width:18px;height:18px;flex:0 0 18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.side-link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--c-accent);
  transition:height .24s var(--ease);
}
.side-link:hover{background:rgba(255,255,255,.07);color:#fff;}
.side-link.active{background:rgba(23,96,79,.4);color:#fff;}
.side-link.active::before{height:22px;}
.side-foot{margin-top:auto;padding-top:16px;border-top:1px solid rgba(255,255,255,.08);}
.btn-login{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:44px;border-radius:8px;background:var(--c-primary);color:#fff;
  font-size:14px;font-weight:500;
  transition:background .16s var(--ease);
}
.btn-login:hover{background:var(--c-primary-dark);color:#fff;}
.btn-login svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.record-line{margin:12px 0 0;font-size:12px;line-height:1.6;color:rgba(255,255,255,.42);}

.mobile-bar{display:none;}
.drawer-backdrop{display:none;}

.page-main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
.container-main{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;margin-top:24px;min-height:296px;
  border-radius:var(--r-img);overflow:hidden;
  display:flex;align-items:flex-end;
  background:#12171A url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,23,26,.18),rgba(18,23,26,.55) 46%,rgba(18,23,26,.88));
}
.hero-inner{position:relative;z-index:2;width:100%;padding:32px 34px;}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:12.5px;color:rgba(255,255,255,.7);margin-bottom:14px;}
.crumb a{color:rgba(255,255,255,.84);}
.crumb a:hover{color:#fff;text-decoration:underline;}
.crumb .sep{opacity:.45;}
.crumb .current{color:#F1A98C;}
.page-hero h1{font-size:clamp(26px,3.4vw,40px);color:#fff;max-width:840px;}
.hero-sub{margin:14px 0 0;font-size:15px;line-height:1.75;color:rgba(255,255,255,.8);max-width:660px;}
.hero-tags{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px;}
.hero-tags span{
  font-size:12px;padding:5px 12px;border-radius:999px;
  border:1px solid rgba(255,255,255,.28);color:rgba(255,255,255,.86);
}

/* ---------- 提示条 ---------- */
.notice-bar{
  display:flex;align-items:center;gap:14px;
  margin-top:28px;padding:16px 20px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-left:3px solid var(--c-accent);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
.notice-bar svg{width:20px;height:20px;flex:0 0 20px;fill:none;stroke:var(--c-accent);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.notice-bar p{margin:0;flex:1;font-size:14px;line-height:1.7;color:var(--c-ink-2);}

/* ---------- 内容栅格 ---------- */
.content-grid{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:36px;align-items:start;padding:52px 0 0;
}
.section{padding-bottom:56px;}
.section:last-child{padding-bottom:24px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  padding-bottom:14px;border-bottom:1px solid var(--c-line);margin-bottom:24px;
}
.section-head h2{font-size:clamp(22px,2.4vw,30px);}
.section-head .eyebrow{
  display:block;margin-bottom:8px;
  font-family:var(--font-sans);font-size:12px;font-weight:600;
  letter-spacing:.1em;color:var(--c-accent);
}
.section-head .head-note{margin:0;font-size:13.5px;line-height:1.7;color:var(--c-muted);max-width:400px;}

/* ---------- 规格 C 横向条目 ---------- */
.media-list{display:flex;flex-direction:column;}
.media-item{
  display:grid;grid-template-columns:262px minmax(0,1fr);gap:24px;
  padding:22px 14px;border-bottom:1px solid var(--c-line);
  border-radius:var(--r-card);
  transition:background .2s var(--ease);
}
.media-item:first-child{padding-top:6px;}
.media-item:hover{background:var(--c-surface);}
.media-thumb{
  display:block;border-radius:var(--r-img);overflow:hidden;
  aspect-ratio:4 / 3;background:var(--c-primary-weak);
}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.media-item:hover .media-thumb img{transform:scale(1.03);}
.media-body{display:flex;flex-direction:column;}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--c-muted);}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;
  border-radius:999px;background:var(--c-primary-weak);color:var(--c-primary);
  font-size:12px;font-weight:500;
}
.chip.is-neutral{background:#F0EEE9;color:var(--c-muted);}
.meta-time{font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
.media-body h3{font-size:19px;margin:12px 0 8px;}
.media-body h3 a{color:var(--c-ink);}
.media-body h3 a:hover{color:var(--c-primary);}
.media-body p{font-size:14.5px;line-height:1.78;color:var(--c-muted);margin:0 0 14px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13.5px;font-weight:500;color:var(--c-primary);
  align-self:flex-start;
}
.text-link svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s var(--ease);}
.text-link:hover svg{transform:translateX(4px);}

/* ---------- 数据条 ---------- */
.stat-band{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1);
}
.stat-cell{padding:24px 20px;border-right:1px solid var(--c-line);}
.stat-cell:last-child{border-right:0;}
.stat-num{
  font-family:var(--font-serif);font-size:34px;line-height:1;
  color:var(--c-primary);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-num em{font-style:normal;font-size:14px;font-family:var(--font-sans);color:var(--c-accent);margin-left:5px;}
.stat-label{margin-top:10px;font-size:13px;line-height:1.6;color:var(--c-muted);}

/* ---------- 核对清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.check-item{
  display:flex;gap:14px;padding:20px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.check-item:hover{border-color:#BCD8CF;box-shadow:var(--sh-2);transform:translateY(-3px);}
.check-icon{
  width:26px;height:26px;flex:0 0 26px;border-radius:7px;
  background:var(--c-primary-weak);color:var(--c-primary);
  display:grid;place-items:center;
}
.check-icon svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.check-item h3{font-family:var(--font-sans);font-size:15.5px;font-weight:700;margin:0 0 6px;}
.check-item p{margin:0;font-size:13.5px;line-height:1.72;color:var(--c-muted);}

/* ---------- FAQ ---------- */
.faq{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:16px;font-weight:500;color:var(--c-ink);
  transition:color .16s var(--ease),background .16s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--c-primary);border-radius:0 2px 2px 0;
  opacity:0;transition:opacity .2s var(--ease);
}
.faq-item summary:hover{background:#FBFAF7;}
.faq-item[open] summary{color:var(--c-primary);}
.faq-item[open] summary::before{opacity:1;}
.faq-sign{
  position:relative;width:22px;height:22px;flex:0 0 22px;margin-top:2px;
  border-radius:50%;border:1px solid var(--c-line);
  transition:transform .24s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--c-primary);border-radius:2px;
}
.faq-sign::before{width:10px;height:1.5px;}
.faq-sign::after{width:1.5px;height:10px;transition:opacity .24s var(--ease);}
.faq-item[open] .faq-sign{transform:rotate(180deg);background:var(--c-primary-weak);border-color:transparent;}
.faq-item[open] .faq-sign::after{opacity:0;}
.faq-body{padding:0 22px 22px;font-size:14.5px;line-height:1.82;color:var(--c-muted);}

/* ---------- 右侧速览 ---------- */
.side-panel{position:sticky;top:32px;display:flex;flex-direction:column;gap:18px;}
.panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-img);
  padding:20px;box-shadow:var(--sh-1);
}
.panel h3{
  display:flex;align-items:center;gap:9px;
  font-family:var(--font-sans);font-size:15px;font-weight:700;margin:0 0 14px;
}
.panel h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--c-primary);}
.anchor-list{display:flex;flex-direction:column;gap:2px;}
.anchor-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 10px;border-radius:8px;border-left:3px solid transparent;
  font-size:14px;color:var(--c-ink-2);
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.anchor-list a:hover{background:var(--c-primary-weak);color:var(--c-primary);}
.anchor-list a.active{border-left-color:var(--c-primary);background:var(--c-primary-weak);color:var(--c-primary);font-weight:500;}
.anchor-list .num{font-size:12px;color:var(--c-muted);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
.anchor-list a.active .num{color:var(--c-accent);}
.cat-list{display:flex;flex-direction:column;gap:2px;margin-bottom:16px;}
.cat-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px;border-radius:8px;font-size:13.5px;color:var(--c-ink-2);
  transition:background .16s var(--ease),color .16s var(--ease);
}
.cat-list a:hover{background:#F7F5F0;color:var(--c-primary);}
.cat-list .dot{width:6px;height:6px;flex:0 0 6px;border-radius:50%;background:var(--c-accent);}
.panel-note{font-size:13px;line-height:1.7;color:var(--c-muted);margin:0 0 14px;}

/* ---------- 按钮 ---------- */
.btn-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;
  font-size:14.5px;font-weight:500;line-height:1;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease);
}
.btn-c svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s var(--ease);}
.btn-c:hover svg{transform:translateX(4px);}
.btn-c:active{transform:translateY(1px);}
.btn-c[disabled],.btn-c.is-disabled{opacity:.45;pointer-events:none;}
.btn-solid{background:var(--c-primary);color:#fff;}
.btn-solid:hover{background:var(--c-primary-dark);color:#fff;}
.btn-line{background:transparent;border-color:var(--c-line);color:var(--c-ink);}
.btn-line:hover{background:var(--c-primary-weak);border-color:var(--c-primary);color:var(--c-primary);}
.btn-block{width:100%;}
.btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.38);color:#fff;}
.btn-ghost:hover{background:#fff;border-color:#fff;color:var(--c-primary);}
.btn-white{background:#fff;color:var(--c-primary);}
.btn-white:hover{background:#F2EFE8;color:var(--c-primary);}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:32px;border-radius:var(--r-img);
  background:var(--c-primary);color:#fff;
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.2vw,26px);}
.cta-band p{margin:10px 0 0;font-size:14px;line-height:1.7;color:rgba(255,255,255,.82);max-width:520px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:auto;background:var(--c-ink);color:rgba(255,255,255,.72);}
.footer-top{padding:56px 0 36px;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-family:var(--font-serif);font-size:16px;font-weight:700;margin-bottom:14px;}
.footer-brand .brand-mark{width:32px;height:32px;flex:0 0 32px;font-size:15px;border-radius:8px;}
.footer-desc{margin:0;font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.55);max-width:340px;}
.footer-col h4{font-family:var(--font-sans);font-size:14px;color:#fff;margin:0 0 14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:var(--c-accent);}
.footer-note{margin:0 0 12px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.55);}
.footer-form{display:flex;gap:8px;}
.footer-form input{
  flex:1;min-width:0;height:46px;padding:0 14px;
  border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;font-size:13.5px;font-family:inherit;
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.footer-form input::placeholder{color:rgba(255,255,255,.4);}
.footer-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(23,96,79,.35);}
.footer-form input.is-error{border-color:var(--c-accent);}
.footer-form button{
  height:46px;padding:0 18px;border:0;border-radius:var(--r-btn);
  background:var(--c-primary);color:#fff;font-size:13.5px;cursor:pointer;
  transition:background .16s var(--ease);
}
.footer-form button:hover{background:var(--c-primary-dark);}
.form-msg{margin:8px 0 0;font-size:12.5px;line-height:1.6;color:var(--c-accent);}
.footer-bottom{
  padding:18px 0 28px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- 提示浮层 ---------- */
.toast-note{
  position:fixed;left:50%;bottom:32px;transform:translate(-50%,16px);
  background:var(--c-ink);color:#fff;font-size:13.5px;
  padding:12px 22px;border-radius:999px;
  opacity:0;visibility:hidden;pointer-events:none;z-index:1200;
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
  box-shadow:0 18px 36px -20px rgba(18,23,26,.5);
}
.toast-note.show{opacity:1;visibility:visible;transform:translate(-50%,0);}

/* ---------- 入场动效 ---------- */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease);}
.js .reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  .container-main{max-width:1320px;}
}
@media (min-width:1200px){
  :root{--sidebar-w:248px;}
}
@media (max-width:1199.98px){
  .content-grid{grid-template-columns:1fr;gap:32px;}
  .side-panel{position:static;}
}
@media (max-width:991.98px){
  .app-sidebar{
    width:280px;transform:translateX(-100%);
    transition:transform .24s var(--ease);
    padding-top:0;
  }
  body.drawer-open .app-sidebar{transform:translateX(0);box-shadow:0 0 60px rgba(0,0,0,.45);}
  .sidebar-logo{height:64px;}
  .page-main{margin-left:0;padding-top:56px;}
  .mobile-bar{
    display:flex;position:fixed;top:0;left:0;right:0;height:56px;
    align-items:center;justify-content:space-between;gap:12px;
    padding:0 14px;background:var(--c-ink);color:#fff;z-index:1040;
  }
  .mobile-brand{font-family:var(--font-serif);font-size:15px;font-weight:700;letter-spacing:0;}
  .icon-btn{
    width:36px;height:36px;display:grid;place-items:center;
    border:0;border-radius:8px;background:rgba(255,255,255,.08);color:#fff;cursor:pointer;
    transition:background .16s var(--ease);
  }
  .icon-btn:hover{background:rgba(255,255,255,.16);}
  .icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
  .drawer-backdrop{
    display:block;position:fixed;inset:0;z-index:1042;
    background:rgba(18,23,26,.4);
    opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s;
  }
  body.drawer-open .drawer-backdrop{opacity:1;visibility:visible;}
  .container-main{padding:0 20px;}
  .page-hero{min-height:260px;margin-top:20px;}
  .hero-inner{padding:26px 24px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn-c{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  .page-hero{min-height:300px;}
  .media-item{grid-template-columns:1fr;gap:16px;padding:22px 10px;}
  .media-thumb{aspect-ratio:16 / 9;}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-cell:nth-child(2n){border-right:0;}
  .stat-cell:nth-child(-n+2){border-bottom:1px solid var(--c-line);}
  .check-grid{grid-template-columns:1fr;}
  .notice-bar{flex-wrap:wrap;align-items:flex-start;}
  .notice-bar .text-link{width:100%;}
  .section{padding-bottom:44px;}
  .content-grid{padding-top:36px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-form{flex-direction:column;}
  .footer-form button{width:100%;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  body{font-size:15.5px;}
  .container-main{padding:0 16px;}
  .hero-inner{padding:22px 18px;}
  .page-hero h1{font-size:26px;}
  .media-body h3{font-size:17.5px;}
  .stat-cell{padding:18px 16px;}
  .stat-num{font-size:28px;}
  .cta-band{padding:24px 20px;}
  .panel{padding:18px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .js .reveal{opacity:1;transform:none;}
}