/* roulang page: index */
:root{
  --primary:#2E5C57;
  --primary-dark:#1E3D39;
  --primary-soft:rgba(46,92,87,.10);
  --muted:#8A9299;
  --amber:#D9762F;
  --bg:#F6F5F2;
  --bg-alt:#EDEBE6;
  --white:#FFFFFF;
  --ink:#14171A;
  --text:#3C4247;
  --text-soft:#6B7278;
  --border:rgba(20,23,26,.08);
  --border-strong:rgba(20,23,26,.16);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-card:0 1px 2px rgba(20,23,26,.04), 0 8px 24px -12px rgba(20,23,26,.10);
  --shadow-card-hover:0 2px 4px rgba(20,23,26,.06), 0 18px 40px -18px rgba(30,61,57,.28);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
a:hover{color:var(--primary)}
h1,h2,h3,h4{color:var(--ink);font-weight:700;margin:0;letter-spacing:-.01em}
p{margin:0 0 1.2em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container{padding-left:32px;padding-right:32px}}
@media(min-width:1200px){.container{padding-left:40px;padding-right:40px}}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:rgba(246,245,242,.72);
  backdrop-filter:saturate(160%) blur(10px);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-stuck{
  background:rgba(246,245,242,.94);
  border-bottom-color:var(--border);
  box-shadow:0 6px 24px -18px rgba(20,23,26,.35);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px;transition:height .3s ease}
.site-header.is-stuck .nav-wrap{height:62px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;flex:0 0 34px;color:var(--primary)}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-main{font-size:1.0625rem;font-weight:800;color:var(--ink);letter-spacing:.01em}
.brand-sub{font-size:.58rem;letter-spacing:.18em;color:var(--muted);font-weight:500;margin-top:2px}
.desk-nav{display:none;align-items:center;gap:32px}
.nav-link{
  position:relative;font-size:.9375rem;font-weight:500;color:var(--text);padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .3s cubic-bezier(.16,1,.3,1);
}
.nav-link:hover::after,.nav-link:focus-visible::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-toggle{
  width:44px;height:44px;border:1px solid var(--border);border-radius:var(--r-btn);
  background:var(--white);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
@media(min-width:992px){
  .desk-nav{display:flex}
  .nav-toggle{display:none}
}
/* ---------- buttons ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:.9375rem;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;
  transition:transform .25s ease,background-color .25s ease,border-color .25s ease,box-shadow .25s ease,color .25s ease;
}
.btn-x:hover{transform:translateY(-2px)}
.btn-x-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px -16px rgba(30,61,57,.9)}
.btn-x-primary:hover{background:#27504b;color:#fff;box-shadow:0 16px 32px -18px rgba(30,61,57,.95)}
.btn-x-ghost{background:transparent;color:var(--ink);border-color:var(--border-strong)}
.btn-x-ghost:hover{color:var(--primary);border-color:var(--primary)}
.btn-x-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn-x-light:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.5)}
.btn-x-solidlight{background:#fff;color:var(--primary-dark)}
.btn-x-solidlight:hover{background:#F0EFEA;color:var(--primary-dark)}
.btn-x-sm{min-height:42px;padding:0 18px;font-size:.875rem}
@media(max-width:767px){.btn-x{width:100%;min-height:52px}}

/* ---------- hero ---------- */
.hero{
  position:relative;
  min-height:88vh;
  display:flex;align-items:center;
  padding:120px 0 72px;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(16,19,22,.86) 0%,rgba(16,19,22,.68) 46%,rgba(20,23,26,.32) 100%);
}
.hero > .container{position:relative;z-index:2}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(255,255,255,.72);margin-bottom:20px;
}
.hero-eyebrow::before{content:"";width:28px;height:1px;background:rgba(255,255,255,.5)}
.hero h1{
  color:#fff;font-size:clamp(2.1rem,5.2vw,4rem);line-height:1.08;letter-spacing:-.02em;font-weight:800;margin-bottom:20px;
}
.hero-lead{
  max-width:46ch;font-size:1.0625rem;line-height:1.85;color:rgba(255,255,255,.86);margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.18);
}
.hero-metric{min-width:120px}
.hero-metric b{
  display:block;font-family:var(--font-mono);font-size:1.375rem;font-weight:600;color:#fff;line-height:1.2;
}
.hero-metric span{font-size:.75rem;color:rgba(255,255,255,.62);letter-spacing:.02em}
.hero-visual{
  margin-top:40px;border-radius:var(--r-card);overflow:hidden;position:relative;
  border:1px solid rgba(255,255,255,.16);
  aspect-ratio:16/10;background:var(--primary-dark);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:.75rem;
  color:rgba(255,255,255,.86);background:linear-gradient(to top,rgba(16,19,22,.86),transparent);
}
@media(min-width:992px){
  .hero-visual{margin-top:0;aspect-ratio:4/5}
}
@media(max-width:575px){
  .hero-visual{max-height:240px}
}

/* ---------- sections ---------- */
.section{padding:64px 0}
@media(min-width:768px){.section{padding:80px 0}}
@media(min-width:992px){.section{padding:112px 0}}
.section-alt{background:var(--bg-alt)}
.section-white{background:var(--white)}
.sec-head{margin-bottom:36px}
.sec-label{
  font-family:var(--font-mono);font-size:.6875rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--primary);margin-bottom:12px;display:block;
}
.sec-head h2{
  position:relative;font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.22;padding-left:16px;margin-bottom:14px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.32em;width:3px;height:26px;background:var(--primary);border-radius:2px;
}
.sec-head p{color:var(--text-soft);max-width:62ch;margin:0}
.sec-head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px}
.text-link{
  font-size:.875rem;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.text-link:hover{border-bottom-color:var(--primary)}

/* ---------- pain ---------- */
.pain-list{display:grid;gap:28px;max-width:900px}
.pain-item{position:relative;padding-left:64px;border-left:1px solid var(--border-strong);padding-top:2px;padding-bottom:4px}
.pain-item .num{
  position:absolute;left:14px;top:0;font-family:var(--font-mono);font-size:.75rem;color:var(--amber);letter-spacing:.08em;
}
.pain-item h3{font-size:1.125rem;font-weight:600;margin-bottom:8px}
.pain-item p{margin:0;color:var(--text-soft);font-size:.9375rem}
@media(min-width:992px){
  .pain-list{gap:36px}
  .pain-item{padding-left:80px}
  .pain-item .num{left:20px}
}

/* ---------- solutions ---------- */
.solve-row{align-items:center;gap:40px 0}
.solve-row + .solve-row{margin-top:72px}
@media(min-width:992px){.solve-row + .solve-row{margin-top:112px}}
.solve-copy h3{font-size:1.375rem;line-height:1.4;margin-bottom:14px}
.solve-copy p{color:var(--text-soft);font-size:1rem;margin-bottom:20px}
.tick-list li{position:relative;padding-left:32px;line-height:1.9;color:var(--text);margin-bottom:10px;font-size:.9375rem}
.tick-list li::before{
  content:"";position:absolute;left:0;top:.55em;width:9px;height:9px;border:1.5px solid var(--primary);border-radius:2px;
}
.figure-block{border-radius:var(--r-img);overflow:hidden;background:var(--primary-soft);box-shadow:var(--shadow-card)}
.figure-block img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .5s cubic-bezier(.16,1,.3,1)}
.figure-block:hover img{transform:scale(1.03)}

/* ---------- stats ---------- */
.stats-bar{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:576px){.stats-bar{grid-template-columns:repeat(2,1fr)}}
@media(min-width:992px){.stats-bar{grid-template-columns:repeat(4,1fr);gap:24px}}
.stat{padding-top:20px;border-top:1px solid var(--border-strong)}
.stat b{
  display:block;font-family:var(--font-mono);font-size:clamp(2.6rem,5vw,4rem);line-height:1;
  font-weight:600;color:var(--primary-dark);letter-spacing:-.02em;
}
.stat b em{font-style:normal;color:var(--amber);font-size:.5em;margin-left:2px}
.stat span{display:block;margin-top:10px;font-size:.8125rem;color:var(--text-soft);letter-spacing:.01em}

/* ---------- testimonials ---------- */
.quote-grid{display:grid;gap:20px}
@media(min-width:768px){.quote-grid{grid-template-columns:repeat(3,1fr)}}
.quote-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow-card);transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover);border-color:rgba(46,92,87,.4)}
.quote-mark{font-family:Georgia,serif;font-size:2.5rem;line-height:1;color:var(--primary-soft);margin-bottom:8px}
.quote-card p{font-size:.9375rem;color:var(--text);margin-bottom:20px}
.quote-who{display:flex;align-items:center;gap:10px;padding-top:16px;border-top:1px solid var(--border)}
.quote-who .dot{width:32px;height:32px;border-radius:999px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:.8125rem;font-weight:700}
.quote-who b{display:block;font-size:.875rem;color:var(--ink)}
.quote-who span{font-size:.75rem;color:var(--muted)}

/* ---------- news ---------- */
.news-card{
  display:flex;flex-direction:column;height:100%;background:var(--white);
  border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-card);transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover);border-color:rgba(46,92,87,.4);color:inherit}
.news-thumb{position:relative;overflow:hidden;background:var(--primary-soft)}
.news-thumb img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .5s cubic-bezier(.16,1,.3,1)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.badge-cat{
  display:inline-block;font-size:.75rem;letter-spacing:.06em;padding:4px 10px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);font-weight:600;
}
.news-thumb .badge-cat{position:absolute;left:12px;bottom:12px;background:rgba(20,23,26,.6);color:#fff;backdrop-filter:blur(4px)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{
  font-size:1.0625rem;line-height:1.5;font-weight:600;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  margin:0;font-size:.875rem;color:var(--text-soft);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--border);
  font-family:var(--font-mono);font-size:.75rem;color:var(--muted);display:flex;justify-content:space-between;gap:10px;
}
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  text-align:center;background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);padding:40px 24px;
}
.empty-art{width:88px;height:64px;position:relative}
.empty-art::before{content:"";position:absolute;inset:0;border:1.5px solid var(--muted);border-radius:10px;opacity:.5}
.empty-art::after{content:"";position:absolute;left:14px;right:14px;top:16px;height:1.5px;background:var(--muted);opacity:.5;box-shadow:0 12px 0 rgba(138,146,153,.5),0 24px 0 rgba(138,146,153,.5)}
.empty-state strong{font-size:1.0625rem;color:var(--ink);font-weight:600}
.empty-state span{font-size:.875rem;color:var(--muted)}

/* ---------- faq ---------- */
.faq-accordion .accordion-item{
  border:1px solid var(--border);border-radius:12px;margin-bottom:12px;overflow:hidden;background:var(--white);
}
.faq-accordion .accordion-button{
  display:flex;align-items:center;gap:16px;min-height:64px;padding:16px 20px;width:100%;
  background:var(--white);border:0;text-align:left;font-size:1.0625rem;font-weight:600;color:var(--ink);
  box-shadow:none;transition:background-color .25s ease;
}
.faq-accordion .accordion-button:not(.collapsed){background:rgba(46,92,87,.04);color:var(--primary-dark);box-shadow:none}
.faq-accordion .accordion-button::after{display:none}
.faq-accordion .q-num{font-family:var(--font-mono);font-size:.75rem;color:var(--muted);flex:0 0 auto}
.faq-accordion .q-text{flex:1}
.faq-accordion .q-icon{
  position:relative;width:16px;height:16px;flex:0 0 16px;transition:transform .3s ease;
}
.faq-accordion .q-icon::before,.faq-accordion .q-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:1px;
}
.faq-accordion .q-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-accordion .q-icon::after{top:0;left:7px;height:16px;width:2px;transition:opacity .3s ease}
.faq-accordion .accordion-button:not(.collapsed) .q-icon{transform:rotate(180deg)}
.faq-accordion .accordion-button:not(.collapsed) .q-icon::after{opacity:0}
.faq-accordion .accordion-body{
  padding:4px 20px 20px 52px;font-size:.9375rem;color:var(--text-soft);border-left:2px solid var(--primary);margin-left:20px;
}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(135deg,#1E3D39 0%,#14171A 100%);
  border-radius:20px;padding:40px 24px;color:#fff;
  display:flex;flex-direction:column;gap:24px;
  border:1px solid rgba(255,255,255,.08);
}
@media(min-width:768px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:56px 48px;gap:40px}
}
.cta-band h2{color:#fff;font-size:clamp(1.4rem,2.4vw,1.9rem);margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.72);margin:0;font-size:.9375rem;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}
@media(max-width:767px){.cta-actions .btn-x{width:100%}}

/* ---------- footer ---------- */
.site-footer{
  background:linear-gradient(135deg,#1E3D39 0%,#14171A 100%);
  color:rgba(255,255,255,.72);padding:56px 0 0;margin-top:0;
}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
@media(min-width:992px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:0}}
@media(min-width:992px){
  .footer-col{padding:0 28px;border-right:1px solid rgba(255,255,255,.08)}
  .footer-col:first-child{padding-left:0}
  .footer-col:last-child{padding-right:0;border-right:0}
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand svg{width:30px;height:30px;color:#fff}
.footer-brand b{color:#fff;font-size:1.0625rem;font-weight:800;letter-spacing:.01em}
.footer-col p{font-size:.875rem;color:rgba(255,255,255,.6);margin:0}
.footer-col h4{color:#fff;font-size:.875rem;font-weight:600;letter-spacing:.04em;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col li a{font-size:.875rem;color:rgba(255,255,255,.68)}
.footer-col li a:hover{color:#fff}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.08);padding:20px 0;
  font-size:.75rem;color:rgba(255,255,255,.55);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
}

/* ---------- mobile tab bar ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:1050;display:flex;
  background:rgba(255,255,255,.97);border-top:1px solid var(--border);
  padding-bottom:env(safe-area-inset-bottom);
  backdrop-filter:blur(8px);
}
.tabbar a{
  flex:1;height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10.5px;color:rgba(107,114,120,.85);position:relative;
}
.tabbar a svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.6}
.tabbar a.active{color:var(--primary);font-weight:600}
.tabbar a.active::before{content:"";position:absolute;top:0;left:22%;right:22%;height:2px;background:var(--primary);border-radius:0 0 2px 2px}
@media(min-width:768px){.tabbar{display:none}}
@media(max-width:767px){body{padding-bottom:56px}}

/* ---------- offcanvas ---------- */
.offcanvas-x{background:var(--bg);border-left:3px solid var(--primary);width:288px}
.offcanvas-x .offcanvas-header{padding:20px}
.offcanvas-x .offcanvas-title{font-size:1rem;font-weight:700;color:var(--ink)}
.offcanvas-x .list-link{
  display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 20px;
  font-size:.9375rem;color:var(--text);border-bottom:1px solid var(--border);
}
.offcanvas-x .list-link:hover{background:rgba(46,92,87,.06);color:var(--primary)}
.offcanvas-x .list-link.active{color:var(--primary);font-weight:600}
.offcanvas-x .offcanvas-body{padding:0}
.offcanvas-x .oc-cta{padding:20px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s cubic-bezier(.16,1,.3,1),transform .6s cubic-bezier(.16,1,.3,1)}
.reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{transform:none;transition:opacity .4s ease}
  .btn-x:hover,.news-card:hover,.quote-card:hover,.figure-block:hover img{transform:none}
  html{scroll-behavior:auto}
}
.anchor-target{scroll-margin-top:96px}

/* roulang page: article */
:root{
  --brand:#2E5C57;
  --brand-deep:#1E3D39;
  --grey:#8A9299;
  --amber:#D9762F;
  --bg:#F6F5F2;
  --bg-alt:#EDEBE6;
  --white:#FFFFFF;
  --ink:#14171A;
  --text:#3C4247;
  --muted:#6B7278;
  --line:rgba(20,23,26,0.08);
  --line-strong:rgba(20,23,26,0.14);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --shadow-card:0 1px 2px rgba(20,23,26,0.04), 0 8px 24px -12px rgba(20,23,26,0.10);
  --shadow-hover:0 2px 4px rgba(20,23,26,0.06), 0 18px 40px -18px rgba(30,61,57,0.28);
  --ease:cubic-bezier(.16,1,.3,1);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  padding-bottom:56px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .25s var(--ease);}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4{color:var(--ink);font-family:var(--font);font-weight:700;margin:0;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}

/* ---------- 按钮 ---------- */
.btn-cl{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;
  font-size:.9375rem;font-weight:600;border-radius:var(--r-btn);border:1px solid transparent;
  cursor:pointer;transition:all .25s var(--ease);white-space:nowrap;}
.btn-cl-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -14px rgba(46,92,87,.9);}
.btn-cl-primary:hover{background:#264d48;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-cl-ghost{background:transparent;border-color:rgba(20,23,26,.15);color:var(--ink);}
.btn-cl-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-cl-ghost-light{background:transparent;border-color:rgba(255,255,255,.24);color:#fff;}
.btn-cl-ghost-light:hover{border-color:#fff;color:#fff;transform:translateY(-2px);}
.btn-cl-sm{height:42px;padding:0 18px;font-size:.875rem;}

/* ---------- 徽章 / 标签 ---------- */
.badge-cl{display:inline-flex;align-items:center;font-size:.75rem;letter-spacing:.06em;padding:4px 10px;
  border-radius:var(--r-pill);background:rgba(46,92,87,.10);color:var(--brand);font-weight:600;}
.tag-cl{display:inline-flex;align-items:center;font-size:.75rem;letter-spacing:.06em;padding:4px 10px;
  border-radius:var(--r-pill);border:1px solid var(--grey);color:var(--muted);background:transparent;}
.tag-cl:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- 顶部导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1030;height:var(--nav-h);
  background:rgba(246,245,242,.88);backdrop-filter:blur(10px);border-bottom:1px solid transparent;
  transition:height .3s var(--ease),background .3s var(--ease),border-color .3s var(--ease);}
.site-header.is-scrolled{height:60px;background:rgba(246,245,242,.96);border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:24px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{width:38px;height:38px;flex:0 0 38px;color:var(--brand);}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text b{font-size:1.0625rem;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
.brand-text span{font-size:.58rem;letter-spacing:.18em;color:var(--grey);margin-top:3px;}
.desk-nav{display:none;align-items:center;gap:32px;}
.desk-nav .nav-link{position:relative;font-size:.9375rem;font-weight:500;color:var(--text);padding:6px 0;}
.desk-nav .nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);}
.desk-nav .nav-link:hover,.desk-nav .nav-link:focus-visible{color:var(--brand);}
.desk-nav .nav-link:hover::after,.desk-nav .nav-link:focus-visible::after{transform:scaleX(1);}
.desk-nav .nav-link.active{color:var(--brand);}
.desk-nav .nav-link.active::after{transform:scaleX(1);}
.header-cta{display:none;}
.burger{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);
  border-radius:var(--r-btn);background:#fff;color:var(--ink);}
.burger:hover{border-color:var(--brand);color:var(--brand);}

.offcanvas-cl{background:var(--bg);border-left:3px solid var(--brand);width:300px;}
.offcanvas-cl .offcanvas-header{border-bottom:1px solid var(--line);}
.offcanvas-cl .m-nav-item{display:flex;align-items:center;justify-content:space-between;height:56px;
  font-size:1rem;font-weight:500;color:var(--text);border-bottom:1px solid var(--line);}
.offcanvas-cl .m-nav-item:hover,.offcanvas-cl .m-nav-item.active{color:var(--brand);}
.offcanvas-cl .m-nav-item span.arrow{color:var(--grey);}

/* ---------- 移动底部 Tab ---------- */
.tab-bar{position:fixed;left:0;right:0;bottom:0;z-index:1040;height:56px;display:flex;
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -6px 20px -16px rgba(20,23,26,.5);}
.tab-bar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10.5px;color:rgba(138,146,153,.9);position:relative;transition:color .25s var(--ease);}
.tab-bar a svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;}
.tab-bar a.active{color:var(--brand);}
.tab-bar a.active::before{content:"";position:absolute;top:0;left:22%;right:22%;height:2px;background:var(--brand);border-radius:0 0 2px 2px;}

/* ---------- 页面主体 ---------- */
.page-main{padding-top:calc(var(--nav-h) + 28px);}
.breadcrumb-cl{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--grey);margin-bottom:28px;}
.breadcrumb-cl a{color:var(--grey);}
.breadcrumb-cl a:hover{color:var(--brand);text-decoration:underline;}
.breadcrumb-cl .sep{color:rgba(138,146,153,.6);}
.breadcrumb-cl .current{color:var(--ink);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-head{border-bottom:1px solid var(--line);padding-bottom:28px;margin-bottom:36px;}
.article-head h1{font-size:clamp(1.9rem,3.6vw,3rem);line-height:1.15;letter-spacing:-.02em;font-weight:800;margin-bottom:18px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;font-size:.8125rem;color:var(--muted);}
.article-meta .dot{color:rgba(138,146,153,.7);}
.article-meta .mono{font-family:var(--mono);letter-spacing:.02em;}

.article-layout{display:block;}
.article-main{max-width:760px;}
.article-toc{display:none;}

/* ---------- 正文排版 ---------- */
.article-body{font-size:1.0625rem;line-height:1.9;color:var(--text);}
.article-body>*+*{margin-top:1.4em;}
.article-body p{margin:0 0 1.4em;}
.article-body h2{font-size:clamp(1.35rem,2.4vw,1.75rem);line-height:1.3;margin:2.2em 0 .8em;position:relative;padding-left:16px;}
.article-body h2::before{content:"";position:absolute;left:0;top:.32em;width:3px;height:1.05em;background:var(--brand);border-radius:2px;}
.article-body h3{font-size:1.25rem;line-height:1.4;font-weight:600;margin:1.6em 0 .6em;color:var(--ink);}
.article-body h4{font-size:1.0625rem;font-weight:600;margin:1.4em 0 .5em;color:var(--ink);}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:0;}
.article-body ul li,.article-body ol li{position:relative;padding-left:24px;margin-bottom:.5em;line-height:1.9;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border:1.5px solid var(--brand);border-radius:2px;}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;}
.article-body ol li::before{content:counter(li,decimal-leading-zero);position:absolute;left:0;top:0;
  font-family:var(--mono);font-size:.8125rem;color:var(--brand);}
.article-body blockquote{margin:0 0 1.4em;padding:18px 22px;border-left:3px solid var(--brand);
  background:rgba(46,92,87,.04);border-radius:0 var(--r-btn) var(--r-btn) 0;color:var(--ink);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:10px;margin:1.6em 0 .6em;width:100%;height:auto;}
.article-body figcaption{font-size:.75rem;color:var(--grey);text-align:center;margin-bottom:1.6em;}
.article-body table{width:100%;border-collapse:collapse;font-size:.9375rem;margin:0 0 1.4em;}
.article-body th,.article-body td{border:1px solid var(--line-strong);padding:12px 14px;text-align:left;}
.article-body th{background:var(--bg-alt);color:var(--ink);font-weight:600;}
.article-body .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 1.4em;border-radius:var(--r-img);}
.article-body code{font-family:var(--mono);font-size:.875em;background:rgba(20,23,26,.05);
  padding:2px 6px;border-radius:6px;color:var(--ink);}
.article-body pre{font-family:var(--mono);font-size:.875rem;background:rgba(20,23,26,.05);
  padding:18px;border-radius:var(--r-img);overflow-x:auto;margin:0 0 1.4em;}
.article-body pre code{background:none;padding:0;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(46,92,87,.35);}
.article-body a:hover{border-bottom-color:var(--brand);}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.2em 0;}

/* ---------- 标签行 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line);}

/* ---------- 上下篇 ---------- */
.adjacent-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:32px;}
.adjacent-card{display:block;padding:22px 24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow-card);transition:all .3s var(--ease);}
.adjacent-card:hover{transform:translateY(-4px);border-color:rgba(46,92,87,.4);box-shadow:var(--shadow-hover);}
.adjacent-card .label{font-size:.8125rem;color:var(--grey);display:block;margin-bottom:8px;}
.adjacent-card .title{color:var(--ink);font-weight:600;font-size:1rem;display:block;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.adjacent-card:hover .title{color:var(--brand);}

/* ---------- 相关推荐 ---------- */
.section{padding:64px 0;}
.section-white{background:var(--white);}
.section-alt{background:var(--bg-alt);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.2;position:relative;padding-left:16px;}
.section-head h2::before{content:"";position:absolute;left:0;top:.3em;width:24px;height:3px;background:var(--brand);border-radius:2px;}
.section-head .more{font-size:.875rem;color:var(--brand);white-space:nowrap;}
.card-grid{display:grid;grid-template-columns:1fr;gap:24px;}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);transition:all .3s var(--ease);height:100%;}
.news-card:hover{transform:translateY(-4px);border-color:rgba(46,92,87,.4);box-shadow:var(--shadow-hover);}
.news-thumb{position:relative;aspect-ratio:3/2;overflow:hidden;background:rgba(46,92,87,.06);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-thumb .badge-cl{position:absolute;left:12px;bottom:12px;background:rgba(20,23,26,.4);
  color:#fff;backdrop-filter:blur(4px);}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{font-size:1.0625rem;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;}
.news-body p{font-size:.875rem;color:var(--muted);line-height:1.7;margin:0;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body .time{font-family:var(--mono);font-size:.75rem;color:var(--grey);letter-spacing:.02em;margin-top:auto;}

/* ---------- 返回栏目 ---------- */
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:.9375rem;color:var(--brand);margin-top:28px;}
.back-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;}
.back-link:hover{gap:12px;}

/* ---------- 空态 ---------- */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  min-height:280px;padding:48px 24px;gap:14px;border:1px dashed var(--line-strong);border-radius:var(--r-card);background:#fff;}
.empty-shape{width:72px;height:72px;border:1.5px solid var(--brand);border-radius:50%;position:relative;opacity:.7;}
.empty-shape::after{content:"";position:absolute;left:50%;top:50%;width:26px;height:1.5px;background:var(--brand);
  transform:translate(-50%,-50%);box-shadow:0 -9px 0 var(--brand),0 9px 0 var(--brand);}
.empty-state p.primary{font-size:1.0625rem;color:var(--ink);margin:0;font-weight:600;}
.empty-state p.sub{font-size:.875rem;color:var(--grey);margin:0;}

/* ---------- 深色 CTA ---------- */
.cta-block{background:linear-gradient(135deg,#1E3D39 0%,#14171A 100%);border:1px solid rgba(255,255,255,.08);
  border-radius:20px;padding:40px 28px;display:flex;flex-direction:column;gap:22px;margin:0 0 -32px;position:relative;z-index:2;}
.cta-block h2{color:#fff;font-size:clamp(1.4rem,2.3vw,1.9rem);line-height:1.3;}
.cta-block p{color:rgba(255,255,255,.72);margin:10px 0 0;font-size:.9375rem;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:linear-gradient(135deg,#1E3D39 0%,#14171A 100%);color:rgba(255,255,255,.72);
  padding:72px 0 28px;font-size:.875rem;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
.footer-col+.footer-col{border-top:1px solid rgba(255,255,255,.08);padding-top:28px;}
.footer-col h4{color:#fff;font-size:.9375rem;margin-bottom:16px;font-weight:600;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-brand svg{width:34px;height:34px;color:#fff;}
.footer-brand b{color:#fff;font-size:1rem;font-weight:700;}
.footer-col p{color:rgba(255,255,255,.6);line-height:1.8;margin:0;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:rgba(255,255,255,.72);}
.footer-col ul a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{display:flex;flex-direction:column;gap:8px;margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);font-size:.75rem;color:rgba(255,255,255,.55);}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* ---------- 响应式 ---------- */
@media (min-width:576px){
  .cta-actions{flex-direction:row;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .adjacent-grid{grid-template-columns:1fr 1fr;}
}
@media (min-width:768px){
  .container{padding-left:32px;padding-right:32px;}
  body{padding-bottom:0;}
  .tab-bar{display:none;}
  .section{padding:80px 0;}
  .card-grid{grid-template-columns:repeat(3,1fr);}
  .cta-block{padding:52px 48px;flex-direction:row;align-items:center;justify-content:space-between;}
  .cta-actions{flex-direction:row;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
  .footer-col+.footer-col{border-top:none;border-left:1px solid rgba(255,255,255,.08);padding-top:0;padding-left:32px;}
  .footer-bottom{flex-direction:row;justify-content:space-between;}
}
@media (min-width:992px){
  .desk-nav{display:flex;}
  .header-cta{display:inline-flex;}
  .burger{display:none;}
  .page-main{padding-top:calc(var(--nav-h) + 40px);}
  .section{padding:112px 0;}
}
@media (min-width:1200px){
  .container{padding-left:40px;padding-right:40px;}
  .article-layout{display:grid;grid-template-columns:minmax(0,760px) 160px;gap:56px;justify-content:center;}
  .article-main{max-width:none;}
  .article-toc{display:block;position:sticky;top:calc(var(--nav-h) + 24px);align-self:start;}
  .article-toc h4{font-size:.75rem;letter-spacing:.14em;color:var(--grey);text-transform:uppercase;margin-bottom:14px;}
  .article-toc ul li{margin-bottom:10px;}
  .article-toc ul a{font-size:.8125rem;color:var(--muted);line-height:1.6;display:block;border-left:2px solid transparent;padding-left:10px;}
  .article-toc ul a:hover{color:var(--brand);border-left-color:var(--brand);}
}
@media (prefers-reduced-motion:reduce){
  .reveal{transform:none;transition:opacity .4s linear;}
  *{animation:none !important;}
}

/* roulang page: category1 */
:root{
  --brand:#2E5C57;
  --brand-deep:#1E3D39;
  --brand-soft:rgba(46,92,87,.10);
  --brand-line:rgba(46,92,87,.40);
  --accent:#D9762F;
  --muted:#8A9299;
  --bg:#F6F5F2;
  --bg-alt:#EDEBE6;
  --white:#FFFFFF;
  --ink:#14171A;
  --body:#3C4247;
  --sub:#6B7278;
  --border:rgba(20,23,26,.08);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-card:0 1px 2px rgba(20,23,26,.04), 0 8px 24px -12px rgba(20,23,26,.10);
  --shadow-hover:0 2px 4px rgba(20,23,26,.06), 0 18px 40px -18px rgba(30,61,57,.28);
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --header-h:64px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-bottom:56px;
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.8;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0;}
.section--alt{background:var(--bg-alt);}
.section--white{background:var(--white);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{
  position:relative;
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  line-height:1.2;
  padding-left:0;
  margin-bottom:16px;
}
.section-head h2::before{
  content:"";
  display:block;
  width:24px;height:3px;
  background:var(--brand);
  border-radius:2px;
  margin-bottom:14px;
}
.section-head p{color:var(--sub);font-size:1rem;}
.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
  margin-bottom:10px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:.9375rem;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .25s ease, color .25s ease, border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 8px 20px -12px rgba(30,61,57,.55);
}
.btn-primary:hover,.btn-primary:focus{
  background:#274e4a;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
}
.btn-ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.32);
}
.btn-ghost:hover,.btn-ghost:focus{
  background:rgba(255,255,255,.10);
  color:#fff;
  border-color:rgba(255,255,255,.55);
  transform:translateY(-2px);
}
.btn-outline{
  background:transparent;
  color:var(--ink);
  border-color:rgba(20,23,26,.15);
}
.btn-outline:hover,.btn-outline:focus{
  border-color:var(--brand);
  color:var(--brand);
  transform:translateY(-2px);
}
.btn-accent{
  background:var(--accent);
  color:#fff;
}
.btn-accent:hover,.btn-accent:focus{
  background:#c2651f;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  height:var(--header-h);
  background:rgba(246,245,242,.92);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--border);
  transition:height .3s ease, background-color .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled{
  height:56px;
  background:rgba(246,245,242,.96);
  box-shadow:0 10px 30px -24px rgba(20,23,26,.5);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:100%;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
}
.brand:hover{color:var(--ink);}
.brand svg{
  width:34px;height:34px;
  flex:0 0 auto;
  color:var(--brand);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-text b{font-size:1.0625rem;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
.brand-text span{
  font-size:.58375rem;
  letter-spacing:.18em;
  color:var(--muted);
  text-transform:uppercase;
}
.desk-nav{display:none;}
.header-actions{display:flex;align-items:center;gap:12px;}
.header-cta{display:none;}
.burger{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border);
  border-radius:var(--r-btn);
  background:var(--white);
  color:var(--ink);
}
.burger span{
  display:block;position:relative;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

.offcanvas.offcanvas-start{
  background:var(--bg);
  border-left:3px solid var(--brand);
  width:300px;
}
.offcanvas-header{border-bottom:1px solid var(--border);padding:18px 20px;}
.offcanvas-body{padding:12px 0 24px;}
.oc-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;
  padding:0 20px;
  color:var(--ink);
  font-size:1rem;
  font-weight:500;
  border-bottom:1px solid var(--border);
}
.oc-link::after{content:"›";color:var(--muted);font-size:1.1rem;}
.oc-link:hover,.oc-link.active{color:var(--brand);background:var(--brand-soft);}

/* ---------- 面包屑 ---------- */
.crumb-bar{
  margin-top:var(--header-h);
  padding:16px 0;
  background:var(--white);
  border-bottom:1px solid var(--border);
}
.breadcrumb-nav{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.8125rem;color:var(--muted);
}
.breadcrumb-nav a{color:var(--muted);}
.breadcrumb-nav a:hover{color:var(--brand);text-decoration:underline;}
.breadcrumb-nav .sep{color:rgba(20,23,26,.20);}
.breadcrumb-nav .current{color:var(--ink);font-weight:600;}

/* ---------- 页头区 ---------- */
.page-hero{
  position:relative;
  padding:40px 0 44px;
  background:var(--white);
  overflow:hidden;
}
.page-hero .row{position:relative;z-index:2;}
.page-hero h1{
  font-size:clamp(1.9rem,3.6vw,3rem);
  line-height:1.15;
  font-weight:800;
  margin-bottom:18px;
}
.page-hero h1 em{
  font-style:normal;
  display:block;
  font-size:clamp(1rem,1.5vw,1.15rem);
  font-weight:600;
  color:var(--brand);
  letter-spacing:.02em;
  margin-bottom:10px;
}
.hero-lead{color:var(--sub);font-size:1.0625rem;max-width:46ch;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
.hero-figure{
  display:none;
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--border);
}
.hero-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  background:var(--brand-soft);
}
.hero-figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(30,61,57,.45),rgba(20,23,26,0) 62%);
}

/* ---------- 锚点导航 ---------- */
.anchor-nav{
  position:sticky;
  top:56px;
  z-index:20;
  padding:12px 0;
  background:rgba(246,245,242,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  margin-bottom:0;
}
.anchor-list{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding-bottom:2px;
  scrollbar-width:none;
}
.anchor-list::-webkit-scrollbar{display:none;}
.anchor-list a{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  height:38px;padding:0 16px;
  border-radius:999px;
  border:1px solid var(--border);
  background:var(--white);
  color:var(--sub);
  font-size:.875rem;
  font-weight:600;
  transition:all .25s ease;
}
.anchor-list a:hover,.anchor-list a:focus{
  color:var(--brand);
  border-color:var(--brand-line);
  transform:translateY(-1px);
}
section[id]{scroll-margin-top:96px;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:56px;}
.timeline::before{
  content:"";
  position:absolute;
  left:19px;top:10px;bottom:10px;
  width:1px;
  background:linear-gradient(180deg,var(--brand-line),rgba(46,92,87,.10));
}
.tl-item{position:relative;padding-bottom:40px;}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  position:absolute;
  left:-56px;top:0;
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  border-radius:999px;
  background:var(--white);
  border:1px solid var(--border);
  color:var(--brand);
  font-family:var(--font-mono);
  font-size:.8125rem;
  font-weight:600;
  box-shadow:var(--shadow-card);
}
.tl-item h3{
  font-size:1.25rem;
  line-height:1.4;
  font-weight:600;
  margin-bottom:10px;
}
.tl-item p{color:var(--body);font-size:1rem;max-width:62ch;}
.tl-note{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:12px;
  padding:6px 12px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:.75rem;
  letter-spacing:.06em;
  font-weight:600;
}

/* ---------- 图文分栏 ---------- */
.split-media{
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
}
.split-media img{
  width:100%;
  aspect-ratio:3/2;
  object-fit:cover;
  background:var(--brand-soft);
}
.split-copy h2{
  position:relative;
  padding-left:0;
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  line-height:1.2;
  margin-bottom:16px;
}
.split-copy h2::before{
  content:"";
  display:block;width:24px;height:3px;
  background:var(--brand);border-radius:2px;
  margin-bottom:14px;
}
.split-copy p{color:var(--body);margin-bottom:16px;}

.check-list li{
  position:relative;
  padding-left:30px;
  margin-bottom:10px;
  line-height:1.9;
  color:var(--body);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:20px;height:20px;
  border:1px solid var(--brand-line);
  border-radius:4px;
  background:linear-gradient(135deg,var(--brand-soft),transparent);
}
.check-list li::after{
  content:"";
  position:absolute;
  left:7px;top:14px;
  width:5px;height:9px;
  border-right:2px solid var(--brand);
  border-bottom:2px solid var(--brand);
  transform:rotate(42deg);
}

/* ---------- 信息条 ---------- */
.info-bar{
  display:grid;
  gap:1px;
  background:var(--border);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  overflow:hidden;
}
.info-bar li{
  background:var(--white);
  padding:20px 22px;
}
.info-bar b{
  display:block;
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.14em;
  color:var(--muted);
  margin-bottom:6px;
  font-weight:600;
}
.info-bar p{font-size:.9375rem;color:var(--body);}

/* ---------- 要点卡 ---------- */
.point-card{
  height:100%;
  padding:24px;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.point-card:hover{
  transform:translateY(-4px);
  border-color:var(--brand-line);
  box-shadow:var(--shadow-hover);
}
.point-card h3{
  font-size:1.0625rem;
  font-weight:600;
  margin-bottom:10px;
}
.point-card p{font-size:.9375rem;color:var(--sub);}
.point-index{
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.14em;
  color:var(--accent);
  display:block;
  margin-bottom:12px;
  font-weight:600;
}

/* ---------- 表格 ---------- */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  background:var(--white);
}
table.cmp{
  width:100%;
  border-collapse:collapse;
  min-width:560px;
}
table.cmp th,table.cmp td{
  padding:14px 18px;
  text-align:left;
  font-size:.9375rem;
  border-bottom:1px solid var(--border);
}
table.cmp thead th{
  background:var(--bg-alt);
  color:var(--ink);
  font-weight:600;
  font-size:.875rem;
  letter-spacing:.02em;
}
table.cmp tbody tr:last-child td{border-bottom:0;}
table.cmp td:first-child{color:var(--ink);font-weight:600;}
table.cmp td{color:var(--sub);}

/* ---------- FAQ ---------- */
.accordion{--bs-accordion-border-width:0;}
.accordion-item{
  border:1px solid var(--border)!important;
  border-radius:var(--r-card)!important;
  background:var(--white);
  margin-bottom:12px;
  overflow:hidden;
}
.accordion-button{
  display:flex;
  align-items:center;
  gap:12px;
  min-height:64px;
  padding:16px 20px;
  font-size:1.0625rem;
  font-weight:600;
  color:var(--ink);
  background:var(--white);
  box-shadow:none!important;
  border-radius:var(--r-card)!important;
}
.accordion-button .q-num{
  font-family:var(--font-mono);
  font-size:.75rem;
  color:var(--muted);
  letter-spacing:.1em;
}
.accordion-button::after{
  content:"";
  flex:0 0 auto;
  width:14px;height:14px;
  margin-left:auto;
  background:
    linear-gradient(var(--brand),var(--brand)) center/14px 2px no-repeat,
    linear-gradient(var(--brand),var(--brand)) center/2px 14px no-repeat;
  transition:transform .3s ease;
}
.accordion-button:not(.collapsed)::after{
  transform:rotate(180deg);
  background:
    linear-gradient(var(--brand),var(--brand)) center/14px 2px no-repeat;
}
.accordion-button:not(.collapsed){
  background:rgba(46,92,87,.04);
  color:var(--brand);
}
.accordion-body{
  padding:4px 20px 22px 44px;
  border-left:2px solid var(--brand);
  margin-left:20px;
  color:var(--body);
  font-size:1rem;
}

/* ---------- CTA 深色区 ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--brand-deep),#14171A);
  color:#fff;
  border-radius:20px;
  padding:36px 24px;
  border:1px solid rgba(255,255,255,.08);
}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.2;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:1rem;max-width:52ch;}
.cta-band .btn{width:100%;}
.cta-actions{display:flex;flex-direction:column;gap:12px;margin-top:24px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;
  padding:48px 0 24px;
  background:linear-gradient(135deg,var(--brand-deep),#14171A);
  color:rgba(255,255,255,.72);
}
.footer-grid{display:grid;gap:28px;}
.footer-col h4{
  color:#fff;font-size:.9375rem;font-weight:600;
  margin-bottom:14px;
}
.footer-col p{font-size:.875rem;line-height:1.8;color:rgba(255,255,255,.62);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand svg{width:30px;height:30px;color:#fff;flex:0 0 auto;}
.footer-brand b{color:#fff;font-size:1rem;font-weight:700;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{
  color:rgba(255,255,255,.72);
  font-size:.875rem;
}
.footer-col ul a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  margin-top:32px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  justify-content:space-between;
  font-size:.75rem;
  color:rgba(255,255,255,.55);
}

/* ---------- 移动底部 Tab ---------- */
.mobile-tabs{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1040;
  display:flex;
  height:56px;
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(10px);
  border-top:1px solid var(--border);
}
.mobile-tabs a{
  position:relative;
  flex:1 1 0;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:10.5px;
  color:rgba(20,23,26,.60);
  letter-spacing:.02em;
}
.mobile-tabs a svg{width:20px;height:20px;}
.mobile-tabs a.active{color:var(--brand);}
.mobile-tabs a.active::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  transform:translateX(-50%);
  width:28px;height:2px;
  background:var(--brand);
  border-radius:0 0 2px 2px;
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s cubic-bezier(.16,1,.3,1),transform .6s cubic-bezier(.16,1,.3,1);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (min-width:576px){
  .cta-band{padding:44px 32px;}
  .cta-actions{flex-direction:row;}
  .cta-band .btn{width:auto;}
  .info-bar{grid-template-columns:1fr 1fr;}
}
@media (min-width:768px){
  body{padding-bottom:0;}
  .container{padding-left:32px;padding-right:32px;}
  .section{padding:80px 0;}
  .mobile-tabs{display:none;}
  .brand svg{width:38px;height:38px;}
  .brand-text b{font-size:1.125rem;}
  .page-hero{padding:56px 0 60px;}
  .hero-figure{display:block;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .timeline{padding-left:72px;}
  .timeline::before{left:23px;}
  .tl-num{left:-72px;width:48px;height:48px;}
}
@media (min-width:992px){
  :root{--header-h:76px;}
  .header-inner{gap:24px;}
  .desk-nav{display:flex;align-items:center;gap:32px;}
  .desk-nav .nav-link{
    position:relative;
    padding:6px 0;
    font-size:.9375rem;
    font-weight:500;
    color:var(--ink);
  }
  .desk-nav .nav-link::after{
    content:"";
    position:absolute;
    left:0;bottom:0;
    width:100%;height:2px;
    background:var(--brand);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .3s ease;
  }
  .desk-nav .nav-link:hover::after,
  .desk-nav .nav-link:focus-visible::after,
  .desk-nav .nav-link.active::after{transform:scaleX(1);}
  .desk-nav .nav-link.active{color:var(--brand);font-weight:600;}
  .burger{display:none;}
  .header-cta{display:inline-flex;}
  .site-header{background:rgba(246,245,242,.96);}
  .site-header.is-scrolled{height:64px;}
  .section{padding:112px 0;}
  .anchor-nav{top:64px;}
  section[id]{scroll-margin-top:112px;}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;}
  .footer-col{border-left:1px solid rgba(255,255,255,.08);padding-left:24px;}
  .footer-col:first-child{border-left:0;padding-left:0;}
  .cta-band{padding:56px 48px;}
}
@media (min-width:1200px){
  .container{padding-left:40px;padding-right:40px;}
  .page-hero{padding:64px 0 72px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{transform:none;transition:opacity .3s ease;}
  .btn:hover,.point-card:hover,.anchor-list a:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --c-primary:#2E5C57;
  --c-primary-dark:#1E3D39;
  --c-muted:#8A9299;
  --c-accent:#D9762F;
  --c-bg:#F6F5F2;
  --c-bg-alt:#EDEBE6;
  --c-white:#FFFFFF;
  --c-ink:#14171A;
  --c-body:#3C4247;
  --c-sub:#6B7278;
  --line:rgba(20,23,26,.08);
  --line-strong:rgba(20,23,26,.14);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(20,23,26,.04), 0 8px 24px -12px rgba(20,23,26,.10);
  --sh-hover:0 2px 4px rgba(20,23,26,.06), 0 18px 40px -18px rgba(30,61,57,.28);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --ease:cubic-bezier(.16,1,.3,1);
  --nav-h:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.8;
  color:var(--c-body);
  background:var(--c-bg);
  padding-bottom:56px;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--c-primary)}
h1,h2,h3,h4{color:var(--c-ink);font-weight:700;margin:0;line-height:1.25}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container{padding-left:32px;padding-right:32px}}
@media(min-width:1200px){.container{padding-left:40px;padding-right:40px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  height:var(--nav-h);
  background:rgba(246,245,242,.86);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:height .3s var(--ease),background .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-stuck{
  height:60px;
  background:rgba(246,245,242,.96);
  border-bottom-color:var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand svg{width:34px;height:34px;color:var(--c-primary);flex-shrink:0}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text b{font-size:1rem;font-weight:800;color:var(--c-ink);letter-spacing:-.01em}
.brand-text span{font-size:.55rem;letter-spacing:.18em;color:var(--c-muted);margin-top:3px}
@media(min-width:992px){
  .brand svg{width:38px;height:38px}
  .brand-text b{font-size:1.0625rem}
  .brand-text span{font-size:.6rem}
}
.desk-nav{display:none;align-items:center;gap:32px}
@media(min-width:992px){.desk-nav{display:flex}}
.nav-link{
  position:relative;
  font-size:.9375rem;font-weight:500;color:var(--c-body);
  padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:var(--c-primary)}
.nav-link:hover::after,.nav-link:focus-visible::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-cta{display:none}
@media(min-width:992px){.nav-cta{display:inline-flex}}

.burger{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--c-white);color:var(--c-ink);cursor:pointer;
}
@media(min-width:992px){.burger{display:none}}
.burger span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
}
.burger span::before{top:-6px}
.burger span::after{top:6px}

.offcanvas.offcanvas-mine{
  background:var(--c-bg);border-left:3px solid var(--c-primary);
  width:82%;max-width:340px;
}
.offcanvas-mine .offcanvas-header{border-bottom:1px solid var(--line);padding:20px 22px}
.offcanvas-mine .offcanvas-body{padding:12px 0}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;padding:0 22px;font-size:1rem;color:var(--c-ink);
  border-bottom:1px solid var(--line);
}
.drawer-link:hover{background:rgba(46,92,87,.06);color:var(--c-primary)}
.drawer-link.active{color:var(--c-primary);font-weight:600}
.drawer-link.active::after{content:"›";font-size:1.25rem;color:var(--c-primary)}

/* ============ 按钮 ============ */
.btn-mine{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 24px;border-radius:var(--r-btn);
  font-size:.9375rem;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.btn-solid{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px -12px rgba(46,92,87,.7)}
.btn-solid:hover{background:#264D48;color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px -14px rgba(46,92,87,.8)}
.btn-line{background:transparent;color:var(--c-ink);border-color:var(--line-strong)}
.btn-line:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.5);transform:translateY(-2px)}
.btn-sm{height:44px;padding:0 18px;font-size:.875rem}

/* ============ 面包屑 ============ */
.crumb-bar{padding-top:calc(var(--nav-h) + 18px)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--c-muted)}
.crumbs a{color:var(--c-muted)}
.crumbs a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.crumbs .sep{color:rgba(138,146,153,.6)}
.crumbs .cur{color:var(--c-ink)}

/* ============ 页头 ============ */
.page-hero{padding:28px 0 40px;position:relative}
.hero-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media(min-width:992px){.hero-grid{grid-template-columns:7fr 5fr;gap:48px}}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.75rem;letter-spacing:.06em;color:var(--c-primary);
  background:rgba(46,92,87,.10);padding:5px 12px;border-radius:var(--r-pill);
  margin-bottom:18px;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:block}
.page-hero h1{
  font-size:clamp(1.9rem,3.6vw,3rem);line-height:1.15;font-weight:800;
  letter-spacing:-.02em;margin-bottom:16px;
}
.page-hero h1 em{font-style:normal;color:var(--c-primary)}
.hero-lead{font-size:1.0625rem;color:var(--c-sub);max-width:56ch;margin-bottom:22px}
.hero-facts{display:flex;flex-wrap:wrap;gap:24px;padding-top:18px;border-top:1px solid var(--line)}
.hero-facts div{font-size:.8125rem;color:var(--c-sub);letter-spacing:.01em}
.hero-facts b{display:block;font-family:var(--font-mono);font-size:1.375rem;color:var(--c-ink);font-weight:500;line-height:1.2}
.hero-visual{display:none}
@media(min-width:768px){
  .hero-visual{display:block;position:relative}
  .hero-visual img{
    width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
    background:rgba(46,92,87,.06);
  }
  .hero-visual::after{
    content:"";position:absolute;left:-14px;bottom:-14px;width:88px;height:88px;
    border-left:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
    border-radius:0 0 0 8px;
  }
}

/* ============ 锚点导航 ============ */
.anchor-bar{
  position:sticky;top:calc(var(--nav-h) + 12px);z-index:1030;
  padding:10px 0;
  background:linear-gradient(to bottom,rgba(246,245,242,.96),rgba(246,245,242,.86));
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.anchor-list{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.anchor-list::-webkit-scrollbar{display:none}
.anchor-list a{
  flex:0 0 auto;font-size:.8125rem;font-weight:500;color:var(--c-body);
  border:1px solid var(--line);background:var(--c-white);
  padding:7px 15px;border-radius:var(--r-pill);white-space:nowrap;
  transition:all .25s var(--ease);
}
.anchor-list a:hover{border-color:rgba(46,92,87,.4);color:var(--c-primary);transform:translateY(-1px)}

/* ============ 区块 ============ */
.section{padding:56px 0;scroll-margin-top:96px}
@media(min-width:768px){.section{padding:76px 0}}
@media(min-width:992px){.section{padding:96px 0}}
.section-alt{background:var(--c-bg-alt)}
.section-white{background:var(--c-white)}
.sec-head{margin-bottom:32px}
@media(min-width:768px){.sec-head{margin-bottom:44px}}
.sec-kicker{
  font-family:var(--font-mono);font-size:.75rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--c-muted);display:block;margin-bottom:12px;
}
.sec-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:16px}
.sec-head h2::before{
  content:"";display:block;width:24px;height:3px;background:var(--c-primary);
  border-radius:2px;margin-bottom:14px;
}
.sec-head p{color:var(--c-sub);max-width:62ch;margin:0}

/* ============ 双列要点网格 ============ */
.grid-2{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:768px){.grid-2{grid-template-columns:repeat(2,1fr);gap:20px}}
.grid-3{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:576px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:992px){.grid-3{grid-template-columns:repeat(3,1fr)}}

.issue-card{
  background:var(--c-white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-card);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  display:flex;gap:16px;align-items:flex-start;
}
.issue-card:hover{transform:translateY(-4px);border-color:rgba(46,92,87,.4);box-shadow:var(--sh-hover)}
.issue-num{
  font-family:var(--font-mono);font-size:.75rem;color:var(--c-accent);
  border:1px solid rgba(217,118,47,.35);border-radius:8px;
  width:34px;height:34px;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.issue-body h3{font-size:1.0625rem;font-weight:600;margin-bottom:8px}
.issue-body p{font-size:.9375rem;color:var(--c-sub);margin:0}
.issue-body ul{margin-top:10px}
.issue-body ul li{
  position:relative;padding-left:16px;font-size:.875rem;color:var(--c-sub);line-height:1.75;
}
.issue-body ul li::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;
  border:1px solid var(--c-primary);border-radius:1px;
}

/* ============ 对照表 ============ */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--c-white);box-shadow:var(--sh-card);
}
table.cmp{width:100%;border-collapse:collapse;min-width:640px}
table.cmp thead th{
  background:rgba(46,92,87,.06);color:var(--c-ink);
  font-size:.8125rem;font-weight:600;letter-spacing:.04em;
  text-align:left;padding:16px 20px;border-bottom:1px solid var(--line);
  white-space:nowrap;
}
table.cmp tbody td{
  padding:16px 20px;font-size:.9375rem;color:var(--c-body);
  border-bottom:1px solid var(--line);vertical-align:top;
}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp tbody tr:hover{background:rgba(46,92,87,.035)}
table.cmp .cell-key{color:var(--c-ink);font-weight:600}
.tag-mine{
  display:inline-block;font-size:.75rem;letter-spacing:.06em;
  padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(46,92,87,.10);color:var(--c-primary);white-space:nowrap;
}
.tag-out{
  display:inline-block;font-size:.75rem;letter-spacing:.06em;
  padding:3px 10px;border-radius:var(--r-pill);
  border:1px solid rgba(217,118,47,.45);color:var(--c-accent);white-space:nowrap;
}
.table-note{font-size:.8125rem;color:var(--c-muted);margin-top:14px}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media(min-width:992px){
  .split{grid-template-columns:5fr 7fr;gap:56px}
  .split.reverse{grid-template-columns:7fr 5fr}
}
.split-media img{
  width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r-img);
  background:rgba(46,92,87,.06);
}
.split-text h3{font-size:1.25rem;font-weight:600;margin-bottom:14px;line-height:1.4}
.split-text p{color:var(--c-sub);margin-bottom:1em}
.check-list li{
  position:relative;padding-left:30px;line-height:1.9;color:var(--c-body);font-size:.9375rem;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.68em;width:18px;height:18px;
  border:1px solid var(--c-primary);border-radius:4px;
}
.check-list li::after{
  content:"";position:absolute;left:6px;top:calc(.68em + 4px);
  width:6px;height:6px;background:var(--c-primary);border-radius:1px;
}

/* ============ 编号流程 ============ */
.flow{position:relative;padding-left:0}
.flow-item{
  display:grid;grid-template-columns:52px 1fr;gap:18px;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.flow-item:last-child{border-bottom:0}
.flow-index{
  font-family:var(--font-mono);font-size:1.125rem;font-weight:500;color:var(--c-primary);
  padding-top:2px;
}
.flow-item h3{font-size:1.0625rem;font-weight:600;margin-bottom:8px}
.flow-item p{font-size:.9375rem;color:var(--c-sub);margin:0}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.accordion-item{
  border:1px solid var(--line)!important;border-radius:12px!important;
  background:var(--c-white);margin-bottom:12px;overflow:hidden;
}
.accordion-button{
  width:100%;display:flex;align-items:center;gap:14px;
  min-height:64px;padding:16px 22px;
  font-size:1.0625rem;font-weight:600;color:var(--c-ink);
  background:var(--c-white);border:0;text-align:left;
  box-shadow:none!important;
  transition:background .25s var(--ease),color .25s var(--ease);
}
.accordion-button::after{display:none}
.accordion-button .q-num{
  font-family:var(--font-mono);font-size:.75rem;color:var(--c-muted);flex-shrink:0;
}
.accordion-button .q-text{flex:1}
.accordion-button .q-plus{
  position:relative;width:16px;height:16px;flex-shrink:0;
  transition:transform .3s var(--ease);
}
.accordion-button .q-plus::before,
.accordion-button .q-plus::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:1px;
}
.accordion-button .q-plus::before{left:0;top:7px;width:16px;height:2px}
.accordion-button .q-plus::after{left:7px;top:0;width:2px;height:16px;transition:transform .3s var(--ease)}
.accordion-button:not(.collapsed){background:rgba(46,92,87,.04);color:var(--c-primary)}
.accordion-button:not(.collapsed) .q-plus{transform:rotate(180deg)}
.accordion-button:not(.collapsed) .q-plus::after{transform:scaleY(0)}
.accordion-button:hover{background:rgba(46,92,87,.035)}
.accordion-body{
  position:relative;padding:4px 22px 22px 56px;
  font-size:.9375rem;color:var(--c-sub);line-height:1.85;
  border-left:2px solid var(--c-primary);margin-left:20px;
}
.accordion-body p:last-child{margin-bottom:0}

/* ============ 深色 CTA ============ */
.cta-band{
  background:linear-gradient(135deg,#1E3D39 0%,#14171A 100%);
  border:1px solid rgba(255,255,255,.08);
  border-radius:20px;
  padding:36px 24px;
  color:#fff;
}
@media(min-width:768px){.cta-band{padding:52px 48px}}
.cta-inner{display:flex;flex-direction:column;gap:24px}
@media(min-width:992px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:48px}
}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.72);margin:0;max-width:52ch;font-size:.9375rem}
.cta-actions{display:flex;flex-direction:column;gap:12px}
@media(min-width:576px){.cta-actions{flex-direction:row}}
@media(min-width:992px){.cta-actions{flex-direction:row;flex-shrink:0}}

/* ============ 页脚 ============ */
.site-footer{
  background:linear-gradient(135deg,#1E3D39 0%,#14171A 100%);
  color:rgba(255,255,255,.72);
  padding:52px 0 24px;margin-top:56px;
}
@media(min-width:768px){.site-footer{padding:64px 0 28px;margin-top:80px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:0}
@media(min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:0 40px}
}
@media(min-width:992px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:0 40px}
}
.footer-col{padding:22px 0;border-bottom:1px solid rgba(255,255,255,.08)}
@media(min-width:992px){.footer-col{padding:0;border-bottom:0}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand svg{width:32px;height:32px;color:rgba(255,255,255,.85)}
.footer-brand b{color:#fff;font-size:1rem;font-weight:700}
.footer-col h4{
  color:#fff;font-size:.9375rem;font-weight:600;margin-bottom:14px;
  letter-spacing:.02em;
}
.footer-col p{font-size:.875rem;line-height:1.8;color:rgba(255,255,255,.62);margin:0}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:.875rem;color:rgba(255,255,255,.68)}
.footer-col ul a:hover{color:#fff}
.footer-bottom{
  margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;gap:8px;
  font-size:.75rem;color:rgba(255,255,255,.55);
}
@media(min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between;align-items:center}}

/* ============ 移动底部 Tab ============ */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:1050;
  display:flex;align-items:stretch;
  height:56px;
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(8px);
  border-top:1px solid var(--line);
}
@media(min-width:768px){.tabbar{display:none}}
.tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  position:relative;color:rgba(20,23,26,.6);font-size:10.5px;letter-spacing:.02em;
}
.tabbar a svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.tabbar a::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%) scaleX(0);
  width:26px;height:2px;background:var(--c-primary);transition:transform .3s var(--ease);
}
.tabbar a.active{color:var(--c-primary);font-weight:600}
.tabbar a.active::before{transform:translateX(-50%) scaleX(1)}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:opacity .3s linear!important}
  .reveal{transform:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --c-primary:#2E5C57;
  --c-primary-dark:#1E3D39;
  --c-primary-deep:#17312E;
  --c-muted:#8A9299;
  --c-accent:#D9762F;
  --c-bg:#F6F5F2;
  --c-bg-alt:#EDEBE6;
  --c-white:#FFFFFF;
  --c-ink:#14171A;
  --c-body:#3C4247;
  --c-sub:#6B7278;
  --c-border:rgba(20,23,26,.08);
  --c-border-2:rgba(20,23,26,.14);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --r-dark:20px;
  --sh-card:0 1px 2px rgba(20,23,26,.04), 0 8px 24px -12px rgba(20,23,26,.10);
  --sh-hover:0 2px 4px rgba(20,23,26,.06), 0 18px 40px -18px rgba(30,61,57,.28);
  --sh-btn:0 8px 20px -10px rgba(46,92,87,.55);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --ease:cubic-bezier(.16,1,.3,1);
  --t:.25s var(--ease);
  --sec-y:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.8;
  color:var(--c-body);
  background:var(--c-bg);
  padding-bottom:56px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--c-primary-dark);}
h1,h2,h3,h4{font-family:var(--font-sans);color:var(--c-ink);font-weight:700;margin:0;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(46,92,87,.16);}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){
  .container{padding-left:32px;padding-right:32px;}
}
@media (min-width:1200px){
  .container{max-width:1200px;padding-left:40px;padding-right:40px;}
}
@media (min-width:1400px){
  .container{max-width:1200px;}
}

/* ---------- 通用按钮 ---------- */
.btn-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:.9375rem;
  font-weight:600;
  line-height:1;
  letter-spacing:.01em;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--t),background-color var(--t),border-color var(--t),box-shadow var(--t),color var(--t);
  white-space:nowrap;
}
.btn-solid{background:var(--c-primary);color:#fff;box-shadow:var(--sh-btn);}
.btn-solid:hover,.btn-solid:focus-visible{background:#274F4A;color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px -12px rgba(30,61,57,.6);}
.btn-line{background:transparent;color:var(--c-ink);border-color:var(--c-border-2);}
.btn-line:hover,.btn-line:focus-visible{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.2);}
.btn-ghost:hover,.btn-ghost:focus-visible{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.45);transform:translateY(-2px);}
.btn-block{width:100%;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  background:rgba(246,245,242,.72);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background-color var(--t),border-color var(--t),box-shadow var(--t);
}
.site-header.is-shrink{
  background:rgba(246,245,242,.94);
  border-bottom-color:var(--c-border);
  box-shadow:0 6px 20px -16px rgba(20,23,26,.35);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:16px;
  height:68px;
  transition:height var(--t);
}
.site-header.is-shrink .nav-inner{height:58px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink);flex:none;}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:36px;height:36px;flex:none;
  color:var(--c-primary);
  display:grid;place-items:center;
  background:rgba(46,92,87,.08);
  border:1px solid rgba(46,92,87,.16);
  border-radius:10px;
}
.brand-mark svg{width:22px;height:22px;display:block;}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-main{font-size:1rem;font-weight:800;letter-spacing:.02em;color:var(--c-ink);}
.brand-sub{font-size:.55rem;letter-spacing:.18em;color:var(--c-muted);margin-top:3px;font-weight:500;}
.desk-nav{display:none;align-items:center;gap:32px;margin-left:auto;}
.desk-nav .nav-link{
  position:relative;
  font-size:.9375rem;
  font-weight:500;
  color:var(--c-body);
  padding:6px 0;
}
.desk-nav .nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--c-primary);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .3s var(--ease);
  border-radius:2px;
}
.desk-nav .nav-link:hover{color:var(--c-ink);}
.desk-nav .nav-link:hover::after{transform:scaleX(1);}
.desk-nav .nav-link.active{color:var(--c-primary);font-weight:600;}
.desk-nav .nav-link.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.desk-nav + .nav-right{margin-left:24px;}
.nav-cta{height:42px;padding:0 20px;font-size:.875rem;display:none;}
.hamburger{
  width:42px;height:42px;
  display:grid;place-items:center;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:10px;
  color:var(--c-ink);
  cursor:pointer;
  transition:border-color var(--t),transform var(--t);
}
.hamburger:hover{border-color:var(--c-primary);transform:translateY(-1px);}
.hamburger span{display:block;width:16px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;border-radius:2px;}
.hamburger span::before{top:-5px;}
.hamburger span::after{top:5px;}

/* offcanvas */
.offcanvas.oc-x{
  background:var(--c-bg);
  border-left:3px solid var(--c-primary);
  width:300px;
}
.oc-x .offcanvas-header{border-bottom:1px solid var(--c-border);padding:18px 22px;}
.oc-x .offcanvas-title{font-size:.9375rem;font-weight:700;color:var(--c-ink);}
.oc-x .offcanvas-body{padding:12px 0;}
.oc-x .oc-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:56px;
  padding:0 22px;
  color:var(--c-body);
  font-size:.9375rem;
  border-bottom:1px solid var(--c-border);
}
.oc-x .oc-link:hover{color:var(--c-primary);background:rgba(46,92,87,.04);}
.oc-x .oc-link.active{color:var(--c-primary);font-weight:600;background:rgba(46,92,87,.06);}
.oc-x .oc-foot{padding:20px 22px;}
.oc-x .oc-note{font-size:.8125rem;color:var(--c-sub);line-height:1.7;}

@media (min-width:768px){
  .hamburger{display:none;}
}
@media (min-width:992px){
  .desk-nav{display:flex;}
  .nav-cta{display:inline-flex;}
  .nav-right{margin-left:32px;}
}

/* ---------- 移动底部 Tab ---------- */
.mobile-tabbar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1040;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(8px);
  border-top:1px solid var(--c-border);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 20px -18px rgba(20,23,26,.5);
}
.tab-item{
  position:relative;
  height:56px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:10.5px;
  line-height:1.1;
  color:rgba(107,114,120,.85);
  letter-spacing:.01em;
}
.tab-item svg{width:19px;height:19px;display:block;}
.tab-item::before{
  content:"";
  position:absolute;top:0;left:50%;
  width:26px;height:2px;
  background:var(--c-primary);
  border-radius:0 0 2px 2px;
  transform:translateX(-50%) scaleX(0);
  transition:transform .3s var(--ease);
}
.tab-item.active{color:var(--c-primary);font-weight:600;}
.tab-item.active::before{transform:translateX(-50%) scaleX(1);}
@media (min-width:768px){
  .mobile-tabbar{display:none;}
  body{padding-bottom:0;}
}

/* ---------- 页头区 ---------- */
.page-head{
  padding-top:104px;
  padding-bottom:48px;
  background:
    linear-gradient(180deg,rgba(237,235,230,.9),rgba(246,245,242,1) 78%);
  border-bottom:1px solid var(--c-border);
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12.5px;color:var(--c-muted);
  margin-bottom:22px;
}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.crumb .sep{color:rgba(138,146,153,.55);}
.crumb .cur{color:var(--c-ink);font-weight:600;}
.page-head-grid{display:grid;gap:32px;align-items:end;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);
  font-size:.75rem;letter-spacing:.14em;
  color:var(--c-primary);
  background:rgba(46,92,87,.08);
  border:1px solid rgba(46,92,87,.14);
  border-radius:var(--r-pill);
  padding:5px 12px;
  margin-bottom:18px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:block;}
.page-head h1{
  font-size:clamp(1.9rem,3.6vw,3rem);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.page-head h1 em{font-style:normal;color:var(--c-primary);}
.lede{
  font-size:1.0625rem;
  color:var(--c-sub);
  max-width:60ch;
  margin-bottom:0;
}
.head-figure{
  display:none;
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--c-border);
  box-shadow:var(--sh-card);
  aspect-ratio:16/10;
  background:rgba(46,92,87,.06);
}
.head-figure img{width:100%;height:100%;object-fit:cover;}
.head-figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(20,23,26,.42),rgba(20,23,26,.06) 60%);
}
.head-figure .fig-tag{
  position:absolute;left:18px;bottom:16px;z-index:2;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  color:#fff;background:rgba(20,23,26,.42);
  border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-pill);
  padding:5px 11px;
}
@media (min-width:992px){
  .page-head{padding-top:128px;padding-bottom:64px;}
  .page-head-grid{grid-template-columns:7fr 5fr;gap:48px;}
  .head-figure{display:block;}
}

/* ---------- 锚点导航 ---------- */
.anchor-bar{
  position:sticky;
  top:64px;
  z-index:1020;
  background:rgba(246,245,242,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-border);
  padding:12px 0;
  margin-bottom:8px;
}
.anchor-scroll{
  display:flex;gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-pill{
  flex:none;
  display:inline-flex;align-items:center;gap:8px;
  height:36px;padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-border-2);
  background:#fff;
  color:var(--c-body);
  font-size:.8125rem;
  font-weight:500;
  white-space:nowrap;
  transition:border-color var(--t),color var(--t),transform var(--t),box-shadow var(--t);
}
.anchor-pill span{font-family:var(--font-mono);font-size:11px;color:var(--c-muted);}
.anchor-pill:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);box-shadow:var(--sh-card);}
.anchor-pill:hover span{color:var(--c-primary);}

/* ---------- 板块 ---------- */
.section{padding:var(--sec-y) 0;}
.section.alt{background:var(--c-bg-alt);}
.section.plain{background:var(--c-white);}
[id]{scroll-margin-top:96px;}
.sec-head{margin-bottom:32px;}
.sec-head h2{
  position:relative;
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  line-height:1.2;
  padding-left:0;
  margin-bottom:16px;
}
.sec-head h2::before{
  content:"";
  display:block;
  width:24px;height:3px;
  border-radius:2px;
  background:var(--c-primary);
  margin-bottom:14px;
}
.sec-head p{color:var(--c-sub);max-width:62ch;margin-bottom:0;}
.sec-label{
  font-family:var(--font-mono);
  font-size:.75rem;letter-spacing:.14em;
  color:var(--c-muted);
  display:block;margin-bottom:10px;
}

/* ---------- 大图分段叙事 ---------- */
.story{
  display:grid;
  gap:24px;
  align-items:center;
  padding:28px 0;
}
.story + .story{border-top:1px solid var(--c-border);}
.story-figure{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--c-border);
  box-shadow:var(--sh-card);
  aspect-ratio:16/10;
  background:rgba(46,92,87,.06);
}
.story-figure img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s var(--ease);}
.story:hover .story-figure img{transform:scale(1.03);}
.story-index{
  font-family:var(--font-mono);
  font-size:.8125rem;
  color:var(--c-accent);
  letter-spacing:.14em;
  display:block;
  margin-bottom:12px;
}
.story h3{font-size:1.25rem;line-height:1.4;margin-bottom:14px;}
.story p{color:var(--c-body);margin-bottom:18px;}
.check-list li{
  position:relative;
  padding-left:32px;
  line-height:1.9;
  color:var(--c-body);
  font-size:.9375rem;
}
.check-list li + li{margin-top:6px;}
.check-list li::before{
  content:"";
  position:absolute;left:0;top:.62em;
  width:20px;height:20px;
  border:1px solid rgba(46,92,87,.4);
  border-radius:5px;
  background:rgba(46,92,87,.06);
}
.check-list li::after{
  content:"";
  position:absolute;left:6px;top:calc(.62em + 6px);
  width:8px;height:4px;
  border-left:1.6px solid var(--c-primary);
  border-bottom:1.6px solid var(--c-primary);
  transform:rotate(-45deg);
}
@media (min-width:992px){
  .story{grid-template-columns:7fr 5fr;gap:56px;padding:36px 0;}
  .story.rev{grid-template-columns:5fr 7fr;}
  .story.rev .story-text{order:2;}
  .story.rev .story-figure{order:1;}
}

/* ---------- 卡片网格 ---------- */
.card-grid{
  display:grid;
  gap:20px;
  grid-template-columns:1fr;
}
@media (min-width:576px){
  .card-grid{grid-template-columns:repeat(2,1fr);}
}
@media (min-width:992px){
  .card-grid{grid-template-columns:repeat(2,1fr);gap:24px;}
}
.rule-card{
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  height:100%;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.rule-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(46,92,87,.4);}
.rule-icon{
  width:44px;height:44px;
  border-radius:12px;
  display:grid;place-items:center;
  background:rgba(46,92,87,.08);
  border:1px solid rgba(46,92,87,.16);
  color:var(--c-primary);
}
.rule-icon svg{width:22px;height:22px;}
.rule-card h3{font-size:1.0625rem;font-weight:700;margin:0;}
.rule-card p{font-size:.9375rem;color:var(--c-sub);margin:0;}
.rule-card .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}
.tag{
  font-size:.75rem;
  letter-spacing:.06em;
  padding:4px 10px;
  border-radius:var(--r-pill);
  border:1px solid rgba(138,146,153,.5);
  color:var(--c-sub);
  background:transparent;
}
.tag.solid{background:rgba(46,92,87,.1);border-color:transparent;color:var(--c-primary);}

/* ---------- 提示条 ---------- */
.notice{
  display:flex;
  gap:14px;
  align-items:flex-start;
  background:#fff;
  border:1px solid var(--c-border);
  border-left:3px solid var(--c-accent);
  border-radius:var(--r-card);
  padding:20px 22px;
  box-shadow:var(--sh-card);
  margin-top:28px;
}
.notice .n-ico{
  flex:none;width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(217,118,47,.1);
  color:var(--c-accent);
  font-family:var(--font-mono);font-size:.8125rem;font-weight:700;
}
.notice p{margin:0;font-size:.9375rem;color:var(--c-body);}
.notice b{color:var(--c-ink);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;}
.acc-x .accordion-item{
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:12px;
  overflow:hidden;
  margin-bottom:12px;
  transition:border-color var(--t),box-shadow var(--t);
}
.acc-x .accordion-item:hover{border-color:rgba(46,92,87,.28);box-shadow:var(--sh-card);}
.acc-x .accordion-button{
  display:flex;
  align-items:center;
  gap:16px;
  min-height:64px;
  padding:14px 20px;
  font-size:1.0625rem;
  font-weight:600;
  color:var(--c-ink);
  background:#fff;
  box-shadow:none;
  border:0;
}
.acc-x .accordion-button .idx{
  font-family:var(--font-mono);
  font-size:.75rem;
  color:var(--c-accent);
  letter-spacing:.06em;
  flex:none;
}
.acc-x .accordion-button .sign{
  margin-left:auto;
  position:relative;
  width:18px;height:18px;
  flex:none;
  transition:transform .3s var(--ease);
}
.acc-x .accordion-button .sign::before,
.acc-x .accordion-button .sign::after{
  content:"";
  position:absolute;left:50%;top:50%;
  background:var(--c-primary);
  transform:translate(-50%,-50%);
}
.acc-x .accordion-button .sign::before{width:14px;height:2px;border-radius:2px;}
.acc-x .accordion-button .sign::after{width:2px;height:14px;border-radius:2px;transition:transform .3s var(--ease);}
.acc-x .accordion-button::after{display:none;}
.acc-x .accordion-button:not(.collapsed){background:rgba(46,92,87,.04);color:var(--c-primary);}
.acc-x .accordion-button:not(.collapsed) .sign{transform:rotate(180deg);}
.acc-x .accordion-button:not(.collapsed) .sign::after{transform:translate(-50%,-50%) scaleY(0);}
.acc-x .accordion-button:focus{box-shadow:none;outline:2px solid var(--c-accent);outline-offset:-2px;}
.acc-x .accordion-body{
  padding:0 24px 20px 24px;
  margin-left:20px;
  border-left:2px solid var(--c-primary);
  color:var(--c-body);
  font-size:.9375rem;
  line-height:1.85;
}
.acc-x .accordion-body p:last-child{margin-bottom:0;}

/* ---------- 深色 CTA ---------- */
.cta-dark{
  background:linear-gradient(135deg,#1E3D39 0%,#14171A 100%);
  border-radius:0;
  border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);
  padding:56px 0;
  color:rgba(255,255,255,.78);
}
.cta-dark .cta-inner{display:grid;gap:24px;align-items:center;}
.cta-dark h2{
  color:#fff;
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  line-height:1.2;
  margin-bottom:12px;
}
.cta-dark p{color:rgba(255,255,255,.7);margin:0;font-size:.9375rem;max-width:52ch;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
@media (min-width:768px){
  .cta-dark{padding:72px 0;}
  .cta-dark .cta-inner{grid-template-columns:7fr 5fr;gap:48px;}
  .cta-actions{flex-direction:row;justify-content:flex-end;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(135deg,#1E3D39 0%,#14171A 100%);
  color:rgba(255,255,255,.68);
  padding:56px 0 28px;
  font-size:.875rem;
}
.footer-grid{display:grid;gap:0;}
.footer-col{
  padding:20px 0;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;color:rgba(255,255,255,.9);}
.footer-brand svg{width:26px;height:26px;color:rgba(255,255,255,.82);flex:none;}
.footer-brand b{color:#fff;font-size:1rem;font-weight:700;letter-spacing:.02em;}
.footer-col p{color:rgba(255,255,255,.6);font-size:.8125rem;line-height:1.75;margin:0;max-width:40ch;}
.footer-col h4{
  color:#fff;
  font-size:.875rem;
  font-weight:700;
  margin-bottom:14px;
  letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:9px;}
.footer-col ul a{color:rgba(255,255,255,.68);font-size:.8125rem;transition:color var(--t),padding-left var(--t);}
.footer-col ul a:hover{color:#fff;padding-left:4px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  justify-content:space-between;
  padding-top:22px;
  margin-top:12px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:12px;
  color:rgba(255,255,255,.55);
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .footer-col{padding:24px 0;border-bottom:0;border-top:1px solid rgba(255,255,255,.08);}
  .footer-col:nth-child(odd){padding-right:28px;border-right:1px solid rgba(255,255,255,.08);}
  .footer-col:nth-child(even){padding-left:28px;}
}
@media (min-width:992px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:0;}
  .footer-col{padding:8px 0 8px 28px;}
  .footer-col:first-child{padding-left:0;border-right:1px solid rgba(255,255,255,.08);}
  .footer-col:not(:first-child){border-right:1px solid rgba(255,255,255,.08);}
  .footer-col:last-child{border-right:0;}
  .footer-col:first-child{border-top:0;}
  .footer-grid{padding-top:8px;}
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:0;transform:none;transition:opacity .3s linear;}
  .reveal.is-in{opacity:1;}
  html{scroll-behavior:auto;}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}