/* roulang page: index */
:root{
  --brand-ink:#1B1E23;
  --brand-ink-2:#2A2F36;
  --accent:#E0452F;
  --accent-deep:#B93320;
  --accent-soft:#FBE7E2;
  --accent-cool:#1F6E62;
  --bg:#F6F4F1;
  --bg-soft:#ECE8E2;
  --surface:#FFFFFF;
  --text:#1B1E23;
  --text-2:#5A6067;
  --text-3:#9298A0;
  --line:#E2DED7;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(27,30,35,.06),0 2px 8px rgba(27,30,35,.05);
  --shadow-2:0 6px 20px rgba(27,30,35,.08);
  --shadow-3:0 18px 40px rgba(27,30,35,.16);
  --sec-y:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease,box-shadow .18s ease,transform .18s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--text)}
p{margin:0 0 1em}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:var(--sec-y) 0}
.section-alt{background:var(--bg-soft)}
.section-line{border-top:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(21px,2.2vw,26px);font-weight:700;line-height:1.3;margin:0 0 8px;margin-top:0}
.sec-head p{margin:0;font-size:14px;color:var(--text-2);line-height:1.7;max-width:52em}
.link-more{color:var(--accent);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;transition:gap .18s ease,color .18s ease}
.link-more:hover{color:var(--accent-deep);gap:10px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,244,241,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:padding .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(27,30,35,.06)}
.hd-top{display:flex;align-items:center;gap:24px;padding:14px 0;transition:padding .2s ease}
.site-header.is-scrolled .hd-top{padding:8px 0}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand-ink);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:14px;letter-spacing:-.02em;
}
.brand-txt strong{display:block;font-size:17px;font-weight:700;line-height:1.2;letter-spacing:-.01em}
.brand-txt span{display:block;font-size:11px;color:var(--text-3);letter-spacing:.06em;line-height:1.6}
.nav-main{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-main a{font-size:16px;color:var(--text);font-weight:500;white-space:nowrap}
.nav-main a:hover,.nav-main a:focus-visible{color:var(--accent)}
.nav-main a.is-active{color:var(--accent);font-weight:600}
.hd-cta-wrap{padding-left:24px;margin-left:24px;border-left:1px solid var(--line);flex:0 0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;border:1px solid transparent;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;cursor:pointer}
.btn:active{transform:translateY(1px);opacity:.94}
.btn-accent{background:var(--accent);color:#fff;height:46px;padding:0 24px;min-width:120px}
.btn-accent:hover{background:var(--accent-deep);color:#fff;box-shadow:var(--shadow-2);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);height:50px;padding:0 24px}
.btn-ghost:hover{border-color:var(--brand-ink);color:var(--text);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-dark{background:var(--brand-ink);color:#fff;height:46px;padding:0 22px}
.btn-dark:hover{background:var(--brand-ink-2);color:#fff}
.hd-chips{
  display:flex;gap:10px;overflow-x:auto;padding:10px 0 12px;border-top:1px solid var(--line);
  scrollbar-width:none;-ms-overflow-style:none;
}
.hd-chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;height:34px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  font-size:13px;font-weight:600;display:inline-flex;align-items:center;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.chip:hover{color:var(--text);border-color:var(--text-3);transform:translateY(-1px)}
.chip.is-active{background:var(--brand-ink);border-color:var(--brand-ink);color:#fff}
.chip.is-active:hover{color:#fff;transform:none}

/* ---------- hero ---------- */
.hero{position:relative;padding:72px 0 64px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:radial-gradient(rgba(27,30,35,.09) 1px,transparent 1px);
  background-size:24px 24px;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.18fr .82fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  background:var(--accent-soft);color:var(--accent-deep);border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-cool)}
.hero-title{font-size:clamp(28px,3.3vw,38px);line-height:1.25;font-weight:700;margin:18px 0 16px;letter-spacing:-.01em}
.hero-sub{font-size:17px;color:var(--text-2);max-width:34em;margin:0 0 26px;line-height:1.8}
.btn-row{display:flex;gap:12px;flex-wrap:wrap}
.hero-stats{display:flex;flex-wrap:wrap;margin-top:34px}
.stat{padding-right:26px;margin-right:26px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0;margin-right:0;padding-right:0}
.stat b{display:block;font-size:20px;font-weight:700;line-height:1.3;font-variant-numeric:tabular-nums}
.stat small{font-size:12px;color:var(--text-3);letter-spacing:.02em}
.hero-visual{position:relative}
.vcard{
  position:relative;width:100%;max-width:340px;margin-left:auto;aspect-ratio:9/16;
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-3);background:var(--bg-soft);
}
.vcard img{width:100%;height:100%;object-fit:cover}
.vcard::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(27,30,35,0) 38%,rgba(27,30,35,.78) 100%)}
.vbadge{
  position:absolute;top:16px;left:16px;z-index:3;display:inline-flex;align-items:center;gap:6px;
  background:rgba(31,110,98,.92);color:#fff;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:var(--r-pill);
}
.play-btn{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:3;
  width:56px;height:56px;border-radius:50%;background:var(--accent);color:#fff;border:0;
  display:grid;place-items:center;font-size:18px;box-shadow:0 10px 24px rgba(224,69,47,.42);
  transition:background .18s ease,transform .18s ease;
}
.play-btn:hover{background:var(--accent-deep);transform:translate(-50%,-50%) scale(1.06)}
.vcap{position:absolute;left:18px;right:18px;bottom:18px;z-index:3;color:#fff}
.vtime{display:inline-flex;align-items:center;gap:6px;background:rgba(27,30,35,.6);color:#fff;
  font-size:12px;padding:3px 9px;border-radius:var(--r-pill);font-variant-numeric:tabular-nums}
.vcap p{margin:10px 0 0;font-size:14px;line-height:1.55;font-weight:600}

/* ---------- rail ---------- */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 2px 18px;scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 248px;scroll-snap-align:start;position:relative;aspect-ratio:9/16;
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);
  background:var(--bg-soft);transition:box-shadow .25s ease,transform .25s ease;
}
.rail-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rail-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(27,30,35,0) 42%,rgba(27,30,35,.8) 100%)}
.rail-card:hover{box-shadow:var(--shadow-3);transform:translateY(-3px)}
.rail-card:hover img{transform:scale(1.04)}
.rail-tag{
  position:absolute;top:12px;left:12px;z-index:2;background:rgba(27,30,35,.62);color:#fff;
  font-size:12px;padding:2px 8px;border-radius:var(--r-pill);font-variant-numeric:tabular-nums;
}
.rail-cap{position:absolute;left:14px;right:14px;bottom:14px;z-index:2;color:#fff}
.rail-cap strong{display:block;font-size:15px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-cap span{display:block;margin-top:4px;font-size:12px;color:rgba(255,255,255,.72)}
.rail-play{
  position:absolute;right:12px;bottom:12px;z-index:2;width:30px;height:30px;border-radius:50%;
  background:rgba(224,69,47,.95);color:#fff;display:grid;place-items:center;font-size:11px;
}

/* ---------- dark check band ---------- */
.band{
  background:var(--brand-ink);color:#fff;border-radius:var(--r-lg);
  padding:44px;position:relative;overflow:hidden;
}
.band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.035) 0 2px,transparent 2px 10px);
}
.band-head{position:relative;margin-bottom:28px;max-width:56em}
.band-head h2{color:#fff;font-size:clamp(21px,2.2vw,26px);font-weight:700;line-height:1.3;margin-bottom:10px}
.band-head p{color:rgba(255,255,255,.72);font-size:14px;margin:0;line-height:1.75}
.check-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.check-card{
  background:var(--brand-ink-2);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-md);padding:20px;transition:transform .2s ease,border-color .2s ease;
}
.check-card:hover{transform:translateY(-3px);border-color:rgba(224,69,47,.55)}
.check-no{
  width:32px;height:32px;border-radius:8px;background:var(--accent);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.check-card h3{color:#fff;font-size:16px;font-weight:600;margin:14px 0 8px;line-height:1.5}
.check-card p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.7;margin:0}

/* ---------- checklist ---------- */
.list-grid{display:grid;grid-template-columns:repeat(2,1fr);column-gap:24px;border-top:1px solid var(--line)}
.list-item{
  display:flex;align-items:flex-start;gap:16px;padding:18px 14px;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.list-item:hover{background:var(--bg-soft)}
.list-no{
  flex:0 0 32px;height:32px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;
  color:var(--accent);display:grid;place-items:center;font-weight:700;font-size:13px;
  font-variant-numeric:tabular-nums;margin-top:2px;
}
.list-body h3{font-size:17px;font-weight:600;margin:0 0 4px;line-height:1.5}
.list-body p{margin:0;font-size:14px;color:var(--text-2);line-height:1.7}
.list-arrow{margin-left:auto;color:var(--text-3);font-size:14px;transition:transform .2s ease,color .2s ease;margin-top:8px}
.list-item:hover .list-arrow{transform:translateX(4px);color:var(--accent)}

/* ---------- news cards ---------- */
.news-card{
  display:flex;flex-direction:column;height:100%;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--shadow-1);transition:box-shadow .22s ease,transform .22s ease;
}
.news-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);color:inherit}
.news-thumb{position:relative;aspect-ratio:16/10;background:var(--bg-soft);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-badge{
  position:absolute;left:12px;top:12px;background:var(--accent-soft);color:var(--accent-deep);
  font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--r-pill);letter-spacing:.02em;
}
.news-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.news-body h3{
  font-size:17px;font-weight:600;line-height:1.5;margin:0 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s ease;
}
.news-card:hover .news-body h3{color:var(--accent)}
.news-body p{
  margin:0 0 14px;font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-3);border-top:1px solid var(--line);padding-top:12px;
}
.news-meta i{font-size:12px;transition:transform .18s ease,color .18s ease}
.news-card:hover .news-meta i{color:var(--accent);transform:translateX(3px)}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-md);padding:36px 20px;text-align:center;
}
.empty-state i{font-size:26px;color:var(--text-3)}
.empty-state p{margin:0;font-size:14px;color:var(--text-2)}

/* ---------- voices ---------- */
.voice-rail{display:flex;gap:12px;overflow-x:auto;padding:6px 2px 18px;scrollbar-width:none;-ms-overflow-style:none}
.voice-rail::-webkit-scrollbar{display:none}
.voice-card{
  flex:0 0 330px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:18px;box-shadow:var(--shadow-1);
  transition:box-shadow .2s ease,transform .2s ease;
}
.voice-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.voice-top{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--bg-soft);color:var(--text-2);
  display:grid;place-items:center;font-weight:700;font-size:15px;flex:0 0 40px;
}
.voice-name{font-size:14px;font-weight:600;line-height:1.4}
.stars{color:var(--accent);font-size:12px;letter-spacing:2px;line-height:1.4}
.voice-card p{margin:0;font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- cta ---------- */
.cta-band{
  background:var(--brand-ink);border-radius:var(--r-lg);padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;color:#fff;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.03) 0 2px,transparent 2px 10px);
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.2vw,26px);font-weight:700;margin-bottom:8px;position:relative}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin:0;position:relative}
.btn-lg-accent{
  background:var(--accent);color:#fff;height:52px;min-width:186px;padding:0 28px;font-size:16px;
  border-radius:var(--r-pill);font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  position:relative;flex:0 0 auto;transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-lg-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(224,69,47,.34)}

/* ---------- faq ---------- */
.faq{max-width:880px;margin:0 auto}
.faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.faq .accordion-item:first-of-type{border-top:1px solid var(--line)}
.faq .accordion-button{
  background:transparent;box-shadow:none;color:var(--text);font-size:16px;font-weight:600;
  padding:18px 20px;border-left:3px solid transparent;line-height:1.6;border-radius:0;
}
.faq .accordion-button:not(.collapsed){background:transparent;color:var(--accent);border-left-color:var(--accent)}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:-2px}
.faq .accordion-button::after{display:none}
.faq-ico{margin-left:auto;font-size:20px;line-height:1;color:var(--accent);font-weight:400;flex:0 0 auto}
.faq-ico::before{content:"+"}
.faq .accordion-button:not(.collapsed) .faq-ico::before{content:"–"}
.faq .accordion-body{padding:0 20px 20px 23px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-ink);color:rgba(255,255,255,.72);padding:52px 0 0;margin-top:var(--sec-y)}
.foot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:36px;padding-bottom:36px}
.foot-brand{grid-column:span 2}
.foot-brand .brand-txt strong{color:#fff}
.foot-brand .brand-txt span{color:rgba(255,255,255,.55)}
.foot-brand .brand-mark{background:var(--accent);color:#fff}
.foot-brand p{margin:16px 0 0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);max-width:34em}
.foot-title{color:#fff;font-size:14px;font-weight:700;margin:0 0 14px;letter-spacing:.02em}
.foot-links a{
  display:block;padding:5px 0 5px 12px;border-left:2px solid transparent;
  font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease,border-color .18s ease;
}
.foot-links a:hover{color:#fff;border-left-color:var(--accent)}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);
}
.foot-bottom a:hover{color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .hero-grid{gap:40px}
  .rail-card{flex:0 0 226px}
}
@media (max-width:991.98px){
  :root{--sec-y:56px}
  .hero{padding:52px 0 48px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:-1}
  .vcard{margin:0 auto;max-width:262px}
  .nav-main{display:none}
  .hd-cta-wrap{margin-left:auto;border-left:0;padding-left:0}
  .check-grid{grid-template-columns:repeat(2,1fr)}
  .list-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
  .foot-brand{grid-column:span 2}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 28px}
  .btn-lg-accent{width:100%}
}
@media (max-width:767.98px){
  .section{padding:44px 0}
  .band{padding:30px 22px;border-radius:var(--r-md)}
  .cta-band{border-radius:var(--r-md)}
  .rail-card{flex:0 0 176px}
  .voice-card{flex:0 0 288px}
  .brand-txt strong{font-size:15px}
  .brand-txt span{font-size:10px}
  .brand-mark{width:34px;height:34px;font-size:13px;border-radius:10px}
  .btn-accent{height:42px;padding:0 18px;font-size:15px;min-width:0}
  .hero-stats{margin-top:26px}
  .stat{padding-right:18px;margin-right:18px}
  .stat b{font-size:18px}
  .sec-head{margin-bottom:20px}
}
@media (max-width:575.98px){
  .shell{padding:0 16px}
  .hero-title{font-size:26px}
  .hero-sub{font-size:15px}
  .btn-row .btn{width:100%}
  .check-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-brand{grid-column:span 1}
  .list-item{padding:16px 10px;gap:12px}
  .faq .accordion-button{font-size:15px;padding:16px 14px}
  .faq .accordion-body{padding:0 14px 18px 17px}
  .news-body h3{font-size:16px}
  .vcard{max-width:230px}
}

/* roulang page: category1 */
:root{
  --brand-ink:#1B1E23;
  --brand-ink-2:#2A2F36;
  --accent:#E0452F;
  --accent-deep:#B93320;
  --accent-soft:#FBE7E2;
  --accent-cool:#1F6E62;
  --bg:#F6F4F1;
  --bg-soft:#ECE8E2;
  --surface:#FFFFFF;
  --text:#1B1E23;
  --text-2:#5A6067;
  --text-3:#9298A0;
  --line:#E2DED7;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(27,30,35,.06),0 2px 8px rgba(27,30,35,.05);
  --shadow-2:0 6px 20px rgba(27,30,35,.08);
  --shadow-3:0 18px 40px rgba(27,30,35,.16);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --shell:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 20px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(246,244,241,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.hd-top{display:flex;align-items:center;gap:20px;padding:14px 0;min-height:70px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--brand-ink);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:18px;flex:0 0 auto;
}
.brand-txt strong{display:block;font-size:16px;font-weight:700;line-height:1.25;letter-spacing:-0.01em;}
.brand-txt span{display:block;font-size:10px;letter-spacing:.14em;color:var(--text-3);line-height:1.6;}
.nav-main{display:flex;align-items:center;gap:20px;margin-left:auto;font-size:15px;color:var(--text-2);}
.nav-main a{position:relative;padding:6px 0;white-space:nowrap;}
.nav-main a:hover{color:var(--accent);}
.nav-main a.is-active{color:var(--text);font-weight:600;}
.nav-main a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;background:var(--accent);
}
.hd-cta-wrap{padding-left:22px;margin-left:4px;border-left:1px solid var(--line);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 2px 8px rgba(224,69,47,.22);}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-accent:active{transform:translateY(0);opacity:.92;}
.btn-ghost{background:var(--surface);color:var(--text);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand-ink);color:var(--brand-ink);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn-block{display:flex;width:100%;}
.hd-chips{display:flex;gap:8px;overflow-x:auto;padding:0 0 14px;scrollbar-width:none;}
.hd-chips::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;height:34px;padding:0 16px;display:inline-flex;align-items:center;
  border:1px solid var(--line);border-radius:var(--r-pill);background:var(--surface);
  color:var(--text-2);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.chip:hover{border-color:var(--accent);color:var(--accent);}
.chip.is-active{background:var(--brand-ink);border-color:var(--brand-ink);color:#fff;}

/* ---------- breadcrumb ---------- */
.crumb{padding:20px 0 0;font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:var(--line);}
.crumb .cur{color:var(--text-2);}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:26px 0 64px;
  border-bottom:1px solid var(--line);
  background-image:radial-gradient(rgba(27,30,35,.045) 1px,transparent 1px);
  background-size:22px 22px;
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:var(--accent);
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}
.hero h1{
  margin:18px 0 12px;
  font-size:38px;line-height:1.25;font-weight:700;letter-spacing:-0.01em;
}
.hero h1 .hl{color:var(--accent);}
.hero .lede{font-size:17px;color:var(--text-2);max-width:34em;line-height:1.8;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;align-items:stretch;}
.hero-stats .stat{padding:0 22px;border-left:1px solid var(--line);}
.hero-stats .stat:first-child{padding-left:0;border-left:0;}
.hero-stats strong{display:block;font-size:22px;font-weight:700;line-height:1.3;font-variant-numeric:tabular-nums;}
.hero-stats span{display:block;font-size:12px;color:var(--text-2);}
.vcard{
  position:relative;width:100%;max-width:340px;margin-left:auto;
  aspect-ratio:9/16;border-radius:var(--r-lg);overflow:hidden;
  background:var(--bg-soft);box-shadow:var(--shadow-3);
}
.vcard img{width:100%;height:100%;object-fit:cover;}
.vcard::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(27,30,35,.78) 0%,rgba(27,30,35,.18) 45%,rgba(27,30,35,0) 72%);
}
.vcard .vbadge{
  position:absolute;top:14px;left:14px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);color:var(--brand-ink);
  font-size:12px;font-weight:700;
}
.vcard .vbadge i{width:6px;height:6px;border-radius:50%;background:var(--accent-cool);display:block;}
.vcard .vbody{position:absolute;left:16px;right:16px;bottom:16px;z-index:2;color:#fff;}
.vcard .vbody .dur{
  display:inline-block;padding:3px 9px;border-radius:var(--r-pill);
  background:rgba(27,30,35,.62);font-size:12px;font-variant-numeric:tabular-nums;margin-bottom:8px;
}
.vcard .vbody p{font-size:15px;font-weight:600;line-height:1.55;}
.vcard .vbody small{display:block;margin-top:4px;font-size:12px;color:rgba(255,255,255,.72);}
.vcard .vplay{
  position:absolute;right:16px;bottom:88px;z-index:2;
  width:52px;height:52px;border-radius:50%;background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-2);
  transition:transform .2s ease,background-color .2s ease;
}
.vcard .vplay:hover{background:var(--accent-deep);transform:scale(1.05);}

/* ---------- section basics ---------- */
.section{padding:60px 0;}
.section.tight{padding:48px 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:26px;}
.section-head h2{font-size:26px;font-weight:700;line-height:1.3;letter-spacing:-0.01em;}
.section-head p{margin-top:6px;font-size:14px;color:var(--text-2);}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-size:14px;font-weight:600;}
.link-more:hover{color:var(--accent-deep);gap:10px;}

/* ---------- split layout ---------- */
.split{display:grid;grid-template-columns:300px minmax(0,1fr);gap:36px;align-items:start;}
.side-col{position:sticky;top:96px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow-1);
}
.side-card h2{font-size:15px;font-weight:700;letter-spacing:.02em;margin-bottom:14px;}
.side-nav{display:flex;flex-direction:column;gap:2px;}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:9px 10px;border-radius:var(--r-sm);font-size:14px;color:var(--text-2);
}
.side-nav a::after{content:"→";font-size:13px;color:var(--text-3);transition:transform .2s ease,color .2s ease;}
.side-nav a:hover{background:var(--bg-soft);color:var(--text);}
.side-nav a:hover::after{transform:translateX(3px);color:var(--accent);}
.side-divider{height:1px;background:var(--line);margin:16px 0;}
.side-note{font-size:13px;line-height:1.75;color:var(--text-2);margin-bottom:16px;}
.tag-ok{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(31,110,98,.1);color:var(--accent-cool);font-size:12px;font-weight:700;margin-bottom:12px;
}
.tag-ok i{width:6px;height:6px;border-radius:50%;background:var(--accent-cool);display:block;}

/* ---------- steps ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.step-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 20px;box-shadow:var(--shadow-1);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.step-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#D6D1C8;}
.step-num{
  width:32px;height:32px;border-radius:var(--r-sm);background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step-card h3{font-size:17px;font-weight:600;margin-bottom:8px;line-height:1.5;}
.step-card p{font-size:14px;color:var(--text-2);line-height:1.75;}

/* ---------- scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:box-shadow .2s ease,transform .2s ease;
}
.scene-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.scene-media{position:relative;aspect-ratio:16/10;background:var(--bg-soft);overflow:hidden;}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.scene-card:hover .scene-media img{transform:scale(1.04);}
.scene-media .mini-tag{
  position:absolute;left:12px;top:12px;padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);color:var(--accent);font-size:12px;font-weight:700;
}
.scene-body{padding:18px 20px 20px;}
.scene-body h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:6px;}
.scene-body p{font-size:14px;color:var(--text-2);line-height:1.75;}

/* ---------- checklist ---------- */
.check-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;}
.check-item{
  display:flex;gap:14px;align-items:flex-start;padding:18px 22px;border-top:1px solid var(--line);
  transition:background-color .2s ease;
}
.check-item:first-child{border-top:0;}
.check-item:hover{background:var(--bg-soft);}
.check-mark{
  flex:0 0 auto;width:22px;height:22px;border-radius:6px;background:var(--accent-soft);
  color:var(--accent);display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;margin-top:4px;
}
.check-item h3{font-size:16px;font-weight:600;line-height:1.55;margin-bottom:4px;}
.check-item p{font-size:14px;color:var(--text-2);line-height:1.75;}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;}
.accordion-item{
  background:transparent;border:0;border-top:1px solid var(--line);border-radius:0;
}
.accordion-item:last-child{border-bottom:1px solid var(--line);}
.accordion-button{
  padding:18px 44px 18px 20px;background:transparent;color:var(--text);
  font-size:16px;font-weight:600;line-height:1.6;box-shadow:none;border-radius:0;
}
.accordion-button:not(.collapsed){background:transparent;color:var(--text);box-shadow:none;}
.accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;}
.accordion-button::after{
  content:"+";background-image:none;width:24px;height:24px;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:400;color:var(--accent);transform:none;
  position:absolute;right:16px;top:50%;margin-top:-12px;
}
.accordion-button:not(.collapsed)::after{content:"−";transform:none;}
.accordion-button:not(.collapsed){box-shadow:inset 3px 0 0 var(--accent);}
.accordion-body{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--text-2);}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--brand-ink);border-radius:var(--r-lg);
  padding:42px 40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
  opacity:.6;pointer-events:none;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{color:#fff;font-size:24px;font-weight:700;line-height:1.35;}
.cta-band p{color:rgba(255,255,255,.7);font-size:15px;margin-top:8px;max-width:32em;}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-ink);color:rgba(255,255,255,.72);margin-top:72px;padding:52px 0 0;}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:40px;}
.foot-brand .brand{margin-bottom:16px;}
.foot-brand .brand-mark{background:#fff;color:var(--brand-ink);}
.foot-brand .brand-txt strong{color:#fff;}
.foot-brand .brand-txt span{color:rgba(255,255,255,.5);}
.foot-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:36em;}
.foot-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:14px;color:rgba(255,255,255,.72);padding-left:0;border-left:2px solid transparent;transition:.2s;}
.foot-links a:hover{color:#fff;padding-left:8px;border-left:2px solid var(--accent);}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 24px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .hero h1{font-size:34px;}
}
@media (max-width:991.98px){
  .nav-main{display:none;}
  .hd-cta-wrap{margin-left:auto;padding-left:0;border-left:0;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .vcard{max-width:300px;margin:0 auto;}
  .hero h1{font-size:32px;}
  .split{grid-template-columns:1fr;gap:24px;}
  .side-col{position:static;order:2;}
  .step-grid{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .foot-brand{grid-column:1 / -1;}
  .cta-band{padding:32px 26px;}
}
@media (max-width:767.98px){
  .section{padding:44px 0;}
  .hero{padding:18px 0 44px;}
  .hero h1{font-size:28px;}
  .hero .lede{font-size:16px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-stats .stat{padding:0 16px;}
  .hero-stats strong{font-size:20px;}
  .section-head h2{font-size:21px;}
  .cta-band h2{font-size:21px;}
  .cta-band .btn{width:100%;}
}
@media (max-width:575.98px){
  .shell{padding:0 16px;}
  .brand-txt strong{font-size:15px;}
  .brand-txt span{font-size:9px;letter-spacing:.1em;}
  .hero-stats{gap:12px 0;}
  .hero-stats .stat{flex:1 1 50%;padding:0 12px;}
  .hero-stats .stat:nth-child(3){padding-left:0;}
  .vcard{max-width:68vw;}
  .scene-body{padding:16px;}
  .check-item{padding:16px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --brand-ink:#1B1E23;
  --brand-ink-2:#2A2F36;
  --accent:#E0452F;
  --accent-deep:#B93320;
  --accent-soft:#FBE7E2;
  --accent-cool:#1F6E62;
  --bg:#F6F4F1;
  --bg-soft:#ECE8E2;
  --surface:#FFFFFF;
  --text:#1B1E23;
  --text-2:#5A6067;
  --text-3:#9298A0;
  --line:#E2DED7;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(27,30,35,.06),0 2px 8px rgba(27,30,35,.05);
  --shadow-2:0 6px 20px rgba(27,30,35,.08);
  --shadow-3:0 18px 40px rgba(27,30,35,.16);
  --shell:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-0.01em}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 20px}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,244,241,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(27,30,35,.07)}
.hd-top{display:flex;align-items:center;gap:24px;padding:14px 0 12px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--brand-ink);color:#fff;
  display:grid;place-items:center;
  font-size:19px;font-weight:700;letter-spacing:0;
}
.brand-txt{display:flex;flex-direction:column;line-height:1.2}
.brand-txt strong{font-size:16px;font-weight:700;letter-spacing:-0.01em}
.brand-txt span{font-size:10px;letter-spacing:.14em;color:var(--text-3);margin-top:3px}
.nav-main{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-main a{font-size:15px;color:var(--text);padding:6px 0;position:relative;white-space:nowrap}
.nav-main a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-main a:hover{color:var(--accent)}
.nav-main a:hover::after,.nav-main a.is-active::after{transform:scaleX(1)}
.nav-main a.is-active{color:var(--accent);font-weight:600}
.hd-cta-wrap{border-left:1px solid var(--line);padding-left:24px;margin-left:2px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(224,69,47,.22)}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(224,69,47,.28)}
.btn-accent:active{transform:translateY(0);opacity:.94}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{background:var(--surface);border-color:var(--text-3);color:var(--accent);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.btn-light{background:#fff;color:var(--brand-ink)}
.btn-light:hover{background:var(--accent-soft);color:var(--accent-deep);transform:translateY(-1px)}
.hd-chips{
  display:flex;gap:10px;overflow-x:auto;padding:0 0 14px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.hd-chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;
  height:35px;padding:0 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  color:var(--text-2);font-size:13.5px;font-weight:600;letter-spacing:.02em;
  white-space:nowrap;
}
.chip:hover{color:var(--accent);border-color:var(--accent);box-shadow:var(--shadow-1)}
.chip.is-active{background:var(--brand-ink);border-color:var(--brand-ink);color:#fff}

/* ============ crumbs ============ */
.crumb-bar{background:var(--bg);border-bottom:1px solid var(--line)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:16px 0;font-size:13px;color:var(--text-3)}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{color:var(--line)}
.crumbs .now{color:var(--text-2);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ article hero ============ */
.article-hero{
  position:relative;isolation:isolate;overflow:hidden;
  background:var(--brand-ink);color:#fff;
}
.article-hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(27,30,35,.70) 0%,rgba(27,30,35,.95) 100%),
             url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
}
.hero-inner{max-width:880px;padding:56px 0 52px}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:var(--accent-deep);
  font-size:12px;font-weight:700;letter-spacing:.06em;
}
.article-title{
  margin-top:20px;font-size:36px;line-height:1.28;color:#fff;
  letter-spacing:-0.01em;word-break:break-word;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  margin-top:22px;font-size:13.5px;color:rgba(255,255,255,.72);
  font-variant-numeric:tabular-nums;
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4)}
.meta-row .tag-ok{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(31,110,98,.28);color:#8FD8C9;font-size:12px;font-weight:600;
}

/* ============ article main ============ */
.article-main{padding:52px 0 68px}
.article-wrap{max-width:880px;margin:0 auto}
.article-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-2);
  overflow:hidden;
}
.cover-fig{margin:0;background:var(--bg-soft);aspect-ratio:16/9;overflow:hidden}
.cover-fig img{width:100%;height:100%;object-fit:cover}
.article-card-body{padding:44px 48px 40px}

.article-body{max-width:780px;font-size:16px;line-height:1.9;color:var(--text)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1em;color:var(--text)}
.article-body h2{
  margin:40px 0 16px;font-size:24px;line-height:1.35;color:var(--text);
  padding-left:14px;border-left:4px solid var(--accent);border-radius:2px;
}
.article-body h3{margin:28px 0 12px;font-size:19px;font-weight:600;color:var(--text)}
.article-body h4{margin:22px 0 10px;font-size:17px;font-weight:600;color:var(--brand-ink-2)}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding:0}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:22px;margin-bottom:9px;color:var(--text-2);line-height:1.85;
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;
  border-radius:2px;background:var(--accent);
}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:1px;
  width:20px;height:20px;border-radius:6px;background:var(--accent-soft);
  color:var(--accent-deep);font-size:12px;font-weight:700;
  display:grid;place-items:center;
}
.article-body a{color:var(--accent);border-bottom:1px solid rgba(224,69,47,.35)}
.article-body a:hover{color:var(--accent-deep);border-bottom-color:var(--accent-deep)}
.article-body strong{color:var(--text);font-weight:700}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;
  background:var(--bg-soft);border-left:3px solid var(--accent);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--text-2);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:24px auto;box-shadow:var(--shadow-1)}
.article-body figure{margin:26px 0}
.article-body figcaption{
  margin-top:10px;font-size:13px;color:var(--text-3);text-align:center;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;
}
.article-body thead th{
  text-align:left;padding:11px 12px;color:var(--text-2);font-weight:600;
  font-size:13px;letter-spacing:.04em;border-bottom:2px solid var(--line);
  background:var(--bg-soft);
}
.article-body tbody td{padding:11px 12px;border-bottom:1px solid var(--line);color:var(--text-2)}
.article-body tbody tr:hover td{background:#FBF9F6}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body code{
  background:var(--bg-soft);border-radius:6px;padding:2px 6px;font-size:13.5px;color:var(--accent-deep);
}

/* actions */
.article-actions{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:36px;padding-top:26px;border-top:1px solid var(--line);
}
.act-note{font-size:13px;color:var(--text-3)}
.act-group{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.icon-btn{
  display:inline-flex;align-items:center;gap:7px;
  height:42px;padding:0 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--text-2);
  font-size:13.5px;font-weight:600;cursor:pointer;
}
.icon-btn:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-1px);box-shadow:var(--shadow-1)}
.icon-btn:active{transform:translateY(0);opacity:.92}

/* empty state */
.empty-state{padding:64px 24px 72px;text-align:center}
.empty-icon{
  width:64px;height:64px;margin:0 auto 20px;border-radius:20px;
  background:var(--accent-soft);color:var(--accent-deep);
  display:grid;place-items:center;font-size:26px;font-weight:700;
}
.empty-state h2{font-size:22px;margin-bottom:12px}
.empty-state p{max-width:420px;margin:0 auto 24px;color:var(--text-2);font-size:15px}

/* ============ section shared ============ */
.sec{padding:64px 0}
.sec-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;flex-wrap:wrap}
.sec-head h2{font-size:26px;line-height:1.3}
.sec-head .sub{margin-top:8px;font-size:14.5px;color:var(--text-2);max-width:560px}
.more-link{font-size:14px;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.more-link:hover{color:var(--accent-deep);gap:10px}

/* related cards */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.post-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);border-color:#D6D0C6}
.post-thumb{aspect-ratio:16/10;background:var(--bg-soft);overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.post-badge{
  align-self:flex-start;
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);background:var(--accent-soft);color:var(--accent-deep);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.post-title{
  margin-top:12px;font-size:17px;line-height:1.5;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s ease;
}
.post-card:hover .post-title{color:var(--accent)}
.post-desc{
  margin-top:8px;font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:16px;
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.post-meta .go{color:var(--accent);font-weight:600}

/* checklist */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}
.check-item{
  display:flex;gap:14px;padding:20px 0;border-bottom:1px solid var(--line);
  align-items:flex-start;
}
.check-item .num{
  flex:0 0 auto;width:32px;height:32px;border-radius:9px;
  background:var(--brand-ink);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.check-item h3{font-size:16.5px;margin-bottom:6px}
.check-item p{font-size:14px;color:var(--text-2);line-height:1.75;margin:0}

/* faq */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-acc .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--line);
}
.faq-acc .accordion-item:first-of-type{border-top:1px solid var(--line)}
.faq-acc .accordion-button{
  background:transparent;border:0;box-shadow:none;
  padding:20px 4px 20px 0;font-size:16px;font-weight:600;color:var(--text);
  border-radius:0;
}
.faq-acc .accordion-button:hover{color:var(--accent)}
.faq-acc .accordion-button:not(.collapsed){color:var(--accent);background:transparent}
.faq-acc .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:-14px;top:22px;bottom:22px;width:3px;
  background:var(--accent);border-radius:2px;
}
.faq-acc .accordion-button{position:relative}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;width:26px;height:26px;
  display:grid;place-items:center;
  font-size:19px;font-weight:600;color:var(--accent);
  transform:none;transition:transform .2s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";transform:none}
.faq-acc .accordion-body{
  padding:0 40px 22px 0;font-size:15px;line-height:1.8;color:var(--text-2);
}

/* cta */
.cta-sec{padding:0 0 76px}
.cta-card{
  background:var(--accent-soft);
  border:1px solid #F3D2C9;
  border-radius:var(--r-lg);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  border-radius:50%;background:rgba(224,69,47,.07);
}
.cta-card h2{font-size:26px;line-height:1.35;position:relative;z-index:1}
.cta-card p{margin:10px 0 0;font-size:15px;color:#8B4A3E;position:relative;z-index:1}
.cta-card .btn{position:relative;z-index:1;height:52px;padding:0 30px;font-size:16px;min-width:180px}

/* footer */
.site-footer{background:var(--brand-ink);color:rgba(255,255,255,.72);padding:56px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:40px;padding-bottom:36px}
.site-footer .brand-mark{background:var(--accent)}
.site-footer .brand-txt strong{color:#fff}
.site-footer .brand-txt span{color:rgba(255,255,255,.42)}
.foot-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:420px}
.foot-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.foot-links{display:flex;flex-direction:column;gap:11px}
.foot-links a{
  font-size:14px;color:rgba(255,255,255,.72);padding-left:0;
  border-left:2px solid transparent;transition:all .18s ease;
}
.foot-links a:hover{color:#fff;padding-left:8px;border-left-color:var(--accent)}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:22px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ responsive ============ */
@media (max-width:1199px){
  .article-title{font-size:33px}
}
@media (max-width:991px){
  .nav-main{display:none}
  .hd-cta-wrap{margin-left:auto;padding-left:16px}
  .hero-inner{padding:44px 0 42px}
  .article-title{font-size:29px}
  .article-card-body{padding:34px 30px 32px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .check-grid{grid-template-columns:1fr;gap:0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .foot-brand{grid-column:1/-1}
  .cta-card{padding:36px 32px}
}
@media (max-width:767px){
  .sec{padding:48px 0}
  .article-main{padding:36px 0 48px}
  .hero-inner{padding:36px 0 34px}
  .article-title{font-size:26px}
  .article-card-body{padding:26px 20px 24px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:21px;margin-top:32px}
  .article-body h3{font-size:18px;margin-top:24px}
  .sec-head h2{font-size:22px}
  .cta-card h2{font-size:22px}
  .crumbs .now{max-width:180px}
}
@media (max-width:575px){
  .shell{padding:0 16px}
  .brand-txt strong{font-size:15px}
  .brand-txt span{font-size:9px}
  .hd-cta-wrap .btn{height:40px;padding:0 16px;font-size:14px}
  .card-grid{grid-template-columns:1fr}
  .article-actions{flex-direction:column;align-items:stretch}
  .act-group{justify-content:flex-start}
  .cta-card{padding:28px 22px}
  .cta-card .btn{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --brand-ink:#1B1E23;
  --brand-ink-2:#2A2F36;
  --accent:#E0452F;
  --accent-deep:#B93320;
  --accent-soft:#FBE7E2;
  --accent-cool:#1F6E62;
  --bg:#F6F4F1;
  --bg-soft:#ECE8E2;
  --surface:#FFFFFF;
  --text:#1B1E23;
  --text-2:#5A6067;
  --text-3:#9298A0;
  --line:#E2DED7;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(27,30,35,.06),0 2px 8px rgba(27,30,35,.05);
  --shadow-2:0 6px 20px rgba(27,30,35,.08);
  --shadow-3:0 18px 40px rgba(27,30,35,.16);
  --shell:1200px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::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;
  letter-spacing:0;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,figure,blockquote{margin:0;}
ol,ul{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,.chip:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 20px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,241,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.hd-top{display:flex;align-items:center;gap:20px;padding:14px 0;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--brand-ink);color:#fff;
  display:grid;place-items:center;
  font-size:19px;font-weight:700;letter-spacing:0;
}
.brand-txt strong{display:block;font-size:16px;font-weight:700;line-height:1.25;color:var(--text);}
.brand-txt span{display:block;font-size:10px;letter-spacing:.12em;color:var(--text-3);margin-top:2px;}
.nav-main{display:flex;align-items:center;gap:22px;margin-left:6px;}
.nav-main a{
  position:relative;font-size:15px;color:var(--text-2);padding:4px 0;white-space:nowrap;
}
.nav-main a:hover{color:var(--accent);}
.nav-main a.is-active{color:var(--text);font-weight:600;}
.nav-main a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;
  background:var(--accent);border-radius:2px;
}
.hd-cta-wrap{margin-left:auto;padding-left:24px;border-left:1px solid var(--line);}
.hd-chips{
  display:flex;gap:8px;overflow-x:auto;
  padding:0 0 12px;scrollbar-width:none;-ms-overflow-style:none;
}
.hd-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  height:34px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  font-size:13px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
  transition:background-color .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s;
}
.chip:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-1px);}
.chip.is-active{background:var(--brand-ink);border-color:var(--brand-ink);color:#fff;}
.chip.is-active:hover{background:var(--brand-ink);color:#fff;transform:none;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-pill);
  border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;white-space:nowrap;transition:all .2s ease;
}
.btn:active{transform:translateY(1px);opacity:.92;}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-deep);border-color:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--brand-ink);color:var(--brand-ink);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.3);color:#fff;}
.btn-ghost-light:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08);transform:translateY(-1px);}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}

/* ============ 分类页头部 ============ */
.page-hero{
  position:relative;overflow:hidden;
  background-color:var(--brand-ink);
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.028) 0 1px,transparent 1px 14px);
  color:#fff;
  padding:34px 0 60px;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(224,69,47,.18),transparent 68%);
  pointer-events:none;
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.55);margin-bottom:28px;
}
.crumb a{color:rgba(255,255,255,.7);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:rgba(255,255,255,.3);}
.crumb .now{color:rgba(255,255,255,.88);}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:var(--accent-deep);
  font-size:12px;font-weight:700;letter-spacing:.02em;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
.hero-title{
  font-size:38px;line-height:1.25;font-weight:700;letter-spacing:-.01em;
  color:#fff;margin-bottom:16px;
}
.hero-sub{
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.74);
  max-width:34em;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-stats{
  display:flex;flex-wrap:wrap;align-items:center;gap:0;
  border-top:1px solid rgba(255,255,255,.12);padding-top:20px;
}
.hero-stat{padding:0 24px;border-left:1px solid rgba(255,255,255,.12);}
.hero-stat:first-child{padding-left:0;border-left:0;}
.hero-stat b{
  display:block;font-size:22px;font-weight:700;line-height:1.2;color:#fff;
  font-variant-numeric:tabular-nums;
}
.hero-stat span{display:block;font-size:12px;color:rgba(255,255,255,.55);margin-top:4px;}
.hero-shot{
  position:relative;width:min(300px,100%);aspect-ratio:9/16;
  border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-3);background:var(--brand-ink-2);
  margin-left:auto;border:1px solid rgba(255,255,255,.1);
}
.hero-shot img{width:100%;height:100%;object-fit:cover;}
.shot-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(27,30,35,0) 42%,rgba(27,30,35,.82) 100%);
}
.shot-badge{
  position:absolute;top:14px;left:14px;
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 10px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);color:var(--brand-ink);
  font-size:11px;font-weight:700;letter-spacing:.02em;
}
.shot-meta{position:absolute;left:16px;right:16px;bottom:16px;color:#fff;}
.shot-meta strong{display:block;font-size:15px;font-weight:700;line-height:1.4;}
.shot-meta span{display:block;font-size:12px;color:rgba(255,255,255,.72);margin-top:4px;}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.section--soft{background:var(--bg-soft);}
.section--line{border-top:1px solid var(--line);}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:32px;
}
.sec-head h2{font-size:26px;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
.sec-head p{font-size:14px;color:var(--text-2);margin-top:8px;max-width:52em;}
.sec-link{
  display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;
  font-size:14px;font-weight:600;color:var(--accent);
}
.sec-link:hover{color:var(--accent-deep);gap:10px;}

/* ============ 筛选条 ============ */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:16px 18px;box-shadow:var(--shadow-1);
  margin-bottom:28px;
}
.filter-bar .filter-label{
  font-size:13px;font-weight:700;color:var(--text-3);
  margin-right:6px;letter-spacing:.02em;
}
.filter-bar .chip{cursor:default;}
.filter-bar .chip:hover{transform:none;border-color:var(--line);color:var(--text-2);}
.filter-bar .chip.is-active:hover{color:#fff;border-color:var(--brand-ink);}

/* ============ 核对卡 ============ */
.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.check-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:22px 20px;box-shadow:var(--shadow-1);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.check-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#d6d0c7;}
.check-card .num{
  display:inline-block;font-size:13px;font-weight:700;color:var(--accent);
  letter-spacing:.04em;font-variant-numeric:tabular-nums;
}
.check-card h3{font-size:17px;font-weight:700;line-height:1.45;margin:10px 0 8px;}
.check-card p{font-size:14px;line-height:1.75;color:var(--text-2);}

/* ============ 行式列表 ============ */
.row-list{display:flex;flex-direction:column;gap:16px;}
.row-card{
  display:grid;grid-template-columns:264px 1fr;gap:24px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:16px;box-shadow:var(--shadow-1);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.row-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#d6d0c7;}
.row-thumb{
  aspect-ratio:16/10;border-radius:var(--r-sm);overflow:hidden;
  background:var(--bg-soft);
}
.row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.row-card:hover .row-thumb img{transform:scale(1.04);}
.row-body{display:flex;flex-direction:column;justify-content:center;padding:6px 10px 6px 0;}
.badge-cat{
  align-self:flex-start;
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:var(--accent-deep);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.row-body h3{font-size:19px;font-weight:700;line-height:1.45;margin:10px 0 8px;transition:color .2s;}
.row-card:hover .row-body h3{color:var(--accent);}
.row-body p{font-size:14px;line-height:1.75;color:var(--text-2);}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:12px;font-size:13px;color:var(--text-3);
}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);}
.meta-row .arrow{margin-left:auto;color:var(--accent);font-weight:600;transition:transform .2s;}
.row-card:hover .meta-row .arrow{transform:translateX(4px);}

/* ============ 提示条 ============ */
.notice-band{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--accent-soft);border-left:3px solid var(--accent);
  border-radius:var(--r-sm);padding:18px 20px;margin-top:28px;
}
.notice-band .notice-icon{
  flex:0 0 32px;width:32px;height:32px;border-radius:50%;
  background:var(--accent);color:#fff;display:grid;place-items:center;
  font-size:16px;font-weight:700;line-height:1;
}
.notice-band strong{display:block;font-size:15px;font-weight:700;margin-bottom:4px;}
.notice-band p{font-size:14px;line-height:1.75;color:var(--text-2);}

/* ============ 流程 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.flow-item{
  position:relative;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px 20px 22px;
  box-shadow:var(--shadow-1);
  transition:transform .25s,box-shadow .25s;
}
.flow-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.flow-item .step-num{
  display:block;font-size:26px;font-weight:800;line-height:1;
  color:var(--accent);font-variant-numeric:tabular-nums;
  letter-spacing:.02em;margin-bottom:14px;
}
.flow-item h3{font-size:16px;font-weight:700;line-height:1.5;margin-bottom:8px;}
.flow-item p{font-size:14px;line-height:1.75;color:var(--text-2);}
.flow-item::before{
  content:"";position:absolute;top:0;left:20px;right:20px;height:2px;
  background:linear-gradient(90deg,var(--accent),rgba(224,69,47,0));
  border-radius:2px;opacity:.75;
}

/* ============ FAQ ============ */
.faq-wrap{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:8px 26px;box-shadow:var(--shadow-1);
}
.acc .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.acc .accordion-item:last-child{border-bottom:0;}
.acc .accordion-button{
  position:relative;
  background:transparent;box-shadow:none;
  font-size:16px;font-weight:600;color:var(--text);
  padding:20px 46px 20px 20px;line-height:1.6;
}
.acc .accordion-button:not(.collapsed){color:var(--accent);background:transparent;box-shadow:none;}
.acc .accordion-button::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--accent);
  transition:height .25s ease;
}
.acc .accordion-button:not(.collapsed)::before{height:60%;}
.acc .accordion-button::after{
  content:"+";background-image:none;
  position:absolute;right:16px;top:50%;transform:translateY(-50%);
  width:auto;height:auto;margin:0;
  font-size:22px;font-weight:400;line-height:1;color:var(--accent);
  transition:transform .2s ease;
}
.acc .accordion-button:not(.collapsed)::after{content:"−";transform:translateY(-50%);}
.acc .accordion-button:focus{box-shadow:none;border-color:transparent;}
.acc .accordion-body{
  padding:0 20px 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2);
}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background-color:var(--brand-ink);
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.03) 0 1px,transparent 1px 16px);
  border-radius:var(--r-lg);
  padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:#fff;
}
.cta-band h2{font-size:26px;line-height:1.35;font-weight:700;margin-bottom:10px;}
.cta-band p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.68);max-width:38em;}
.cta-band .btn{flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-ink);color:rgba(255,255,255,.72);padding:56px 0 0;margin-top:72px;}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.foot-brand .brand-mark{background:var(--accent);}
.foot-brand .brand-txt strong{color:#fff;}
.foot-brand .brand-txt span{color:rgba(255,255,255,.42);}
.foot-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin-top:16px;max-width:36em;}
.foot-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{
  font-size:14px;color:rgba(255,255,255,.72);
  padding-left:0;border-left:2px solid transparent;padding-left:8px;
  transition:color .2s,border-color .2s,padding-left .2s;
}
.foot-links a:hover{color:#fff;border-left-color:var(--accent);padding-left:12px;}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 24px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-main{gap:16px;}
  .nav-main a{font-size:14px;}
  .hero-title{font-size:34px;}
}
@media (max-width:991px){
  .hd-top{flex-wrap:wrap;gap:12px;}
  .nav-main{
    order:3;width:100%;margin-left:0;
    overflow-x:auto;padding:2px 0 6px;
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .nav-main::-webkit-scrollbar{display:none;}
  .hd-cta-wrap{margin-left:auto;padding-left:0;border-left:0;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-shot{width:min(280px,64vw);margin:0 auto;}
  .page-hero{padding:28px 0 48px;}
  .section{padding:56px 0;}
  .check-grid{grid-template-columns:repeat(2,1fr);}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .row-card{grid-template-columns:220px 1fr;gap:18px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .foot-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  .hero-title{font-size:28px;}
  .hero-sub{font-size:15px;}
  .hero-stat{padding:0 16px;}
  .hero-stat b{font-size:19px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .sec-head h2{font-size:22px;}
  .row-card{grid-template-columns:1fr;gap:14px;padding:14px;}
  .row-body{padding:0 4px 6px;}
  .row-body h3{font-size:17px;}
  .meta-row .arrow{margin-left:0;}
  .cta-band h2{font-size:21px;}
  .cta-band{padding:32px 24px;}
  .cta-band .btn{width:100%;}
  .faq-wrap{padding:6px 18px;}
  .acc .accordion-button{font-size:15px;padding:18px 42px 18px 16px;}
  .acc .accordion-body{padding:0 16px 20px 16px;font-size:14px;}
}
@media (max-width:575px){
  .shell{padding:0 16px;}
  .brand-txt strong{font-size:15px;}
  .brand-txt span{display:none;}
  .check-grid{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr;}
  .filter-bar{padding:14px;}
  .hero-actions .btn{flex:1 1 100%;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;gap:8px;}
  .notice-band{flex-direction:column;gap:10px;}
}

/* roulang page: category2 */
:root{
  --brand-ink:#1B1E23;
  --brand-ink-2:#2A2F36;
  --accent:#E0452F;
  --accent-deep:#B93320;
  --accent-soft:#FBE7E2;
  --accent-cool:#1F6E62;
  --bg:#F6F4F1;
  --bg-soft:#ECE8E2;
  --surface:#FFFFFF;
  --text:#1B1E23;
  --text-2:#5A6067;
  --text-3:#9298A0;
  --line:#E2DED7;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(27,30,35,.06),0 2px 8px rgba(27,30,35,.05);
  --shadow-2:0 6px 20px rgba(27,30,35,.08);
  --shadow-3:0 18px 40px rgba(27,30,35,.16);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);letter-spacing:0}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.3;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,244,241,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.hd-top{display:flex;align-items:center;gap:24px;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:var(--r-sm);background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-size:19px;box-shadow:var(--shadow-1);transition:background-color .18s ease}
.brand:hover .brand-mark{background:var(--accent-deep)}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-txt strong{font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.brand-txt span{font-size:10px;letter-spacing:.13em;color:var(--text-3);font-weight:600;margin-top:3px}
.nav-main{display:flex;align-items:center;gap:22px;margin-left:auto;font-size:15px}
.nav-main a{color:var(--text-2);position:relative;padding:4px 0;white-space:nowrap;font-weight:500}
.nav-main a:hover{color:var(--accent)}
.nav-main a.is-active{color:var(--text);font-weight:700}
.nav-main a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent);border-radius:2px}
.hd-cta-wrap{padding-left:24px;border-left:1px solid var(--line);flex:0 0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 22px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--shadow-1)}
.btn-accent:hover{background:var(--accent-deep);color:#fff;box-shadow:var(--shadow-2);transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0);opacity:.92}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.3);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.7);color:#fff;transform:translateY(-1px)}
.hd-chips{display:flex;gap:10px;overflow-x:auto;padding:0 0 12px;scrollbar-width:none}
.hd-chips::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);color:var(--text-2);font-size:13px;font-weight:600;letter-spacing:.02em;white-space:nowrap}
.chip:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-1px)}
.chip.is-active{background:var(--brand-ink);border-color:var(--brand-ink);color:#fff}
.chip.is-active:hover{background:var(--brand-ink-2);border-color:var(--brand-ink-2);color:#fff}

/* ============ Hero 通栏 ============ */
.cat-hero{position:relative;overflow:hidden;background:var(--brand-ink);color:#fff}
.cat-hero::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;opacity:.4}
.cat-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(27,30,35,.70) 0%,rgba(27,30,35,.94) 100%)}
.cat-hero .shell{position:relative;z-index:2;padding-top:32px;padding-bottom:56px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.58)}
.crumb a:hover{color:#fff}
.crumb .sep{color:rgba(255,255,255,.32)}
.crumb .cur{color:rgba(255,255,255,.88)}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;margin-top:26px;padding:6px 14px;border-radius:var(--r-pill);background:rgba(224,69,47,.16);border:1px solid rgba(224,69,47,.45);color:#FFB7A9;font-size:12px;font-weight:600;letter-spacing:.06em}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.cat-hero h1{margin-top:18px;font-size:clamp(27px,4vw,38px);font-weight:700;color:#fff;max-width:920px;line-height:1.25}
.hero-lead{margin-top:16px;color:rgba(255,255,255,.74);font-size:16px;max-width:780px;line-height:1.85}
.hero-metrics{display:flex;flex-wrap:wrap;margin-top:30px;border-top:1px solid rgba(255,255,255,.14);padding-top:22px}
.metric{flex:1 1 170px;padding-right:24px;margin-right:24px;border-right:1px solid rgba(255,255,255,.14);min-width:130px}
.metric:last-child{border-right:0;margin-right:0;padding-right:0}
.metric b{display:block;font-size:22px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2}
.metric span{display:block;margin-top:4px;font-size:12px;color:rgba(255,255,255,.58);letter-spacing:.02em}

/* ============ 页内筛选 ============ */
.filter-band{background:var(--surface);border-bottom:1px solid var(--line)}
.filter-inner{display:flex;align-items:center;gap:12px;padding:16px 0;overflow-x:auto;scrollbar-width:none}
.filter-inner::-webkit-scrollbar{display:none}
.filter-label{flex:0 0 auto;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--text-3)}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section.band{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(21px,2.4vw,26px);color:var(--text)}
.sec-head p{margin-top:10px;font-size:14px;color:var(--text-2);max-width:660px;line-height:1.75}
.sec-more{color:var(--accent);font-size:14px;font-weight:700;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.sec-more:hover{color:var(--accent-deep);gap:10px}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;gap:18px;grid-template-columns:repeat(4,minmax(0,1fr))}
.topic-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-1);overflow:hidden;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease}
.topic-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#D8D2C9}
.topic-cover{position:relative;aspect-ratio:16/10;background:var(--bg-soft);overflow:hidden}
.topic-cover img{width:100%;height:100%;object-fit:cover;transition:transform .38s ease}
.topic-card:hover .topic-cover img{transform:scale(1.05)}
.topic-badge{position:absolute;left:12px;top:12px;padding:4px 10px;border-radius:var(--r-pill);background:var(--accent-soft);color:var(--accent-deep);font-size:11px;font-weight:700;letter-spacing:.03em}
.topic-body{display:flex;flex-direction:column;gap:8px;padding:16px 16px 18px;flex:1}
.topic-body h3{font-size:16px;font-weight:700;line-height:1.45;color:var(--text);transition:color .18s ease}
.topic-card:hover .topic-body h3{color:var(--accent)}
.topic-body p{font-size:13px;line-height:1.72;color:var(--text-2)}
.topic-meta{margin-top:auto;padding-top:10px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}
.topic-meta .go{color:var(--accent);font-weight:700;transition:transform .18s ease}
.topic-card:hover .topic-meta .go{transform:translateX(3px)}

/* ============ 五步流程 ============ */
.flow{display:grid;gap:16px;grid-template-columns:repeat(5,minmax(0,1fr))}
.flow-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:22px 18px;box-shadow:var(--shadow-1);transition:box-shadow .2s ease,transform .2s ease}
.flow-item:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.flow-num{width:32px;height:32px;border-radius:var(--r-sm);background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px;margin-bottom:14px;font-variant-numeric:tabular-nums}
.flow-item h3{font-size:15px;font-weight:700;color:var(--text)}
.flow-item p{margin-top:8px;font-size:13px;line-height:1.72;color:var(--text-2)}

/* ============ 系统要求 ============ */
.spec-grid{display:grid;gap:16px;grid-template-columns:repeat(4,minmax(0,1fr))}
.spec-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--shadow-1)}
.spec-card .k{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--text-3)}
.spec-card .v{margin-top:10px;font-size:22px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;line-height:1.25}
.spec-card .d{margin-top:8px;font-size:13px;line-height:1.7;color:var(--text-2)}
.notice{margin-top:24px;display:flex;align-items:flex-start;gap:14px;background:var(--accent-soft);border-radius:var(--r-md);padding:18px 20px;border:1px solid #F2D3CB}
.notice .tag{flex:0 0 auto;background:var(--accent);color:#fff;font-size:11px;font-weight:700;letter-spacing:.06em;padding:4px 10px;border-radius:var(--r-pill);margin-top:2px}
.notice p{font-size:14px;line-height:1.8;color:#7A3A2C}
.notice a{color:var(--accent-deep);font-weight:700;border-bottom:1px solid rgba(185,51,32,.35)}
.notice a:hover{color:var(--accent)}

/* ============ 口碑条 ============ */
.quotes{display:flex;gap:14px;overflow-x:auto;padding:4px 0 10px;scroll-snap-type:x mandatory;scrollbar-width:none}
.quotes::-webkit-scrollbar{display:none}
.quote{flex:0 0 320px;scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:18px;box-shadow:var(--shadow-1);transition:box-shadow .2s ease,transform .2s ease}
.quote:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.quote-head{display:flex;align-items:center;gap:10px}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--bg-soft);color:var(--text-2);display:grid;place-items:center;font-weight:700;font-size:15px;flex:0 0 auto}
.quote-name{font-size:14px;font-weight:700;color:var(--text);line-height:1.4}
.stars{color:var(--accent);font-size:11px;letter-spacing:.16em;margin-top:2px}
.quote p{margin-top:12px;font-size:13px;line-height:1.78;color:var(--text-2)}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px}
.faq-wrap .accordion-item{background:transparent;border:0;border-top:1px solid var(--line)}
.faq-wrap .accordion-item:last-child{border-bottom:1px solid var(--line)}
.faq-wrap .accordion-button{position:relative;background:transparent;color:var(--text);font-size:16px;font-weight:600;line-height:1.6;padding:18px 48px 18px 18px;box-shadow:none;border-radius:0;border-left:3px solid transparent;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
.faq-wrap .accordion-button:hover{color:var(--accent);background:rgba(236,232,226,.5)}
.faq-wrap .accordion-button:not(.collapsed){color:var(--accent);border-left-color:var(--accent);background:rgba(251,231,226,.45)}
.faq-wrap .accordion-button:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:-2px}
.faq-wrap .accordion-button::after{content:"";position:absolute;right:18px;top:50%;width:14px;height:2px;background:var(--accent);background-image:none;border-radius:2px;transform:translateY(-50%);transition:transform .2s ease,opacity .2s ease}
.faq-wrap .accordion-button::before{content:"";position:absolute;right:24px;top:50%;width:2px;height:14px;background:var(--accent);border-radius:2px;transform:translateY(-50%);transition:transform .2s ease,opacity .2s ease}
.faq-wrap .accordion-button:not(.collapsed)::before{opacity:0;transform:translateY(-50%) rotate(90deg)}
.faq-wrap .accordion-body{padding:0 20px 22px 21px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ============ CTA ============ */
.cta-band{padding:0 0 72px}
.cta-box{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:32px;background:var(--brand-ink);border-radius:var(--r-lg);padding:48px;box-shadow:var(--shadow-2)}
.cta-box::after{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-3.png) right center/contain no-repeat;opacity:.14;pointer-events:none}
.cta-box > *{position:relative;z-index:2}
.cta-box h2{color:#fff;font-size:clamp(20px,2.4vw,26px)}
.cta-box p{margin-top:10px;color:rgba(255,255,255,.72);font-size:14px;max-width:520px;line-height:1.75}
.cta-box .btn{height:52px;padding:0 30px;min-width:180px;flex:0 0 auto}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-ink);color:rgba(255,255,255,.72);padding:56px 0 0}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:40px}
.site-footer .brand-txt strong{color:#fff}
.site-footer .brand-txt span{color:rgba(255,255,255,.42)}
.site-footer .brand-mark{background:var(--accent)}
.foot-brand p{margin-top:16px;font-size:14px;line-height:1.85;max-width:440px;color:rgba(255,255,255,.6)}
.foot-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{font-size:14px;color:rgba(255,255,255,.72);padding-left:8px;border-left:2px solid transparent;transition:color .18s ease,border-color .18s ease,padding-left .18s ease}
.foot-links a:hover{color:#fff;border-left-color:var(--accent);padding-left:12px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0 22px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:991px){
  .shell{padding:0 20px}
  .hd-top{flex-wrap:wrap;gap:14px;padding:12px 0}
  .nav-main{order:3;width:100%;margin-left:0;gap:18px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
  .nav-main::-webkit-scrollbar{display:none}
  .hd-cta-wrap{margin-left:auto;padding-left:0;border-left:0}
  .section{padding:48px 0}
  .cta-band{padding-bottom:48px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .spec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cat-hero .shell{padding-top:24px;padding-bottom:44px}
  .cta-box{padding:36px 28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .foot-brand{grid-column:1 / -1}
}
@media (max-width:767px){
  .cta-box{flex-direction:column;align-items:flex-start;gap:22px}
  .cta-box .btn{width:100%}
  .metric{flex:1 1 45%;border-right:0;margin-right:0;padding-right:0;margin-bottom:16px}
  .metric:nth-child(odd){border-right:1px solid rgba(255,255,255,.14);padding-right:16px}
}
@media (max-width:575px){
  .shell{padding:0 16px}
  body{font-size:15px}
  .brand-mark{width:34px;height:34px;font-size:17px;border-radius:9px}
  .brand-txt strong{font-size:15px}
  .brand-txt span{font-size:9px;letter-spacing:.1em}
  .hd-cta-wrap .btn{height:36px;padding:0 14px;font-size:13px}
  .btn{height:40px;padding:0 18px;font-size:14px}
  .card-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .spec-grid{grid-template-columns:1fr}
  .quote{flex:0 0 84%}
  .hero-metrics{padding-top:18px;margin-top:24px}
  .notice{flex-direction:column;gap:10px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-bottom{flex-direction:column;gap:6px}
}

/* roulang page: category4 */
:root{
  --brand-ink:#1B1E23;
  --brand-ink-2:#2A2F36;
  --accent:#E0452F;
  --accent-deep:#B93320;
  --accent-soft:#FBE7E2;
  --accent-cool:#1F6E62;
  --bg:#F6F4F1;
  --bg-soft:#ECE8E2;
  --surface:#FFFFFF;
  --text:#1B1E23;
  --text-2:#5A6067;
  --text-3:#9298A0;
  --line:#E2DED7;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(27,30,35,.06),0 2px 8px rgba(27,30,35,.05);
  --shadow-2:0 6px 20px rgba(27,30,35,.08);
  --shadow-3:0 18px 40px rgba(27,30,35,.16);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:var(--font);font-size:16px;line-height:1.8;
  letter-spacing:0;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,box-shadow .18s ease,transform .18s ease;}
img{max-width:100%;display:block;border-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;
}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:64px 0;}
@media (max-width:767px){.section{padding:44px 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap;}
.section-head h2{font-size:26px;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
.section-head p{font-size:14px;color:var(--text-2);margin-top:6px;line-height:1.7;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--accent);}
.link-more:hover{color:var(--accent-deep);gap:10px;}
@media (max-width:767px){.section-head h2{font-size:21px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(246,244,241,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:padding .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(27,30,35,.07);}
.hd-top{display:flex;align-items:center;gap:16px;padding:14px 0;}
.site-header.is-scrolled .hd-top{padding:10px 0;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand-ink);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;letter-spacing:0;flex:0 0 auto;
  box-shadow:var(--shadow-1);
}
.brand-txt{display:flex;flex-direction:column;line-height:1.2;}
.brand-txt strong{font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--text);}
.brand-txt span{font-size:10px;letter-spacing:.08em;color:var(--text-3);margin-top:2px;}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap;}
.nav-main a{
  font-size:15px;color:var(--text);padding:8px 12px;border-radius:var(--r-sm);
  white-space:nowrap;
}
.nav-main a:hover{color:var(--accent);background:rgba(224,69,47,.06);}
.nav-main a.is-active{color:var(--accent);font-weight:600;}
.hd-cta-wrap{padding-left:20px;margin-left:4px;border-left:1px solid var(--line);flex:0 0 auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn:active{transform:translateY(1px);opacity:.94;}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(224,69,47,.24);min-width:120px;}
.btn-accent:hover{background:var(--accent-deep);color:#fff;box-shadow:0 10px 24px rgba(224,69,47,.3);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--brand-ink);background:var(--surface);box-shadow:var(--shadow-1);transform:translateY(-1px);}
.btn-light-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.34);}
.btn-light-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7);color:#fff;}
.hd-chips{
  display:flex;align-items:center;gap:8px;padding:0 0 12px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.hd-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);
  font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--text-2);
  white-space:nowrap;transition:all .18s ease;
}
.chip:hover{border-color:var(--brand-ink);color:var(--brand-ink);transform:translateY(-1px);}
.chip.is-active{background:var(--brand-ink);border-color:var(--brand-ink);color:#fff;}
.chip.is-active:hover{color:#fff;}
@media (max-width:991px){
  .nav-main{display:none;}
  .hd-cta-wrap{margin-left:auto;padding-left:0;border-left:0;}
  .site-header.is-scrolled .hd-top{padding:10px 0;}
}
@media (max-width:575px){
  .brand-txt strong{font-size:14px;}
  .brand-txt span{font-size:9px;}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:16px;}
  .btn{height:38px;padding:0 16px;font-size:14px;min-width:auto;}
  .hd-chips{padding-bottom:10px;}
}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 0;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:var(--line);}
.crumb .now{color:var(--text-2);}

/* ---------- 分类页头部 ---------- */
.page-hero{
  margin-top:20px;border-radius:var(--r-lg);overflow:hidden;position:relative;
  background:var(--brand-ink);
  box-shadow:var(--shadow-2);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(17,19,22,.94) 0%,rgba(17,19,22,.82) 48%,rgba(17,19,22,.5) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.55fr .9fr;gap:36px;align-items:center;padding:56px 44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;
  border-radius:var(--r-pill);background:rgba(224,69,47,.16);border:1px solid rgba(224,69,47,.42);
  color:#FFB4A4;font-size:12px;font-weight:600;letter-spacing:.04em;
}
.page-hero h1{
  font-size:36px;line-height:1.24;font-weight:700;letter-spacing:-.01em;color:#fff;
  margin:18px 0 12px;
}
.page-hero .hero-sub{font-size:16px;line-height:1.8;color:rgba(255,255,255,.76);max-width:520px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
.hero-tags span{
  font-size:12px;font-weight:600;letter-spacing:.02em;color:rgba(255,255,255,.82);
  border:1px solid rgba(255,255,255,.24);border-radius:var(--r-pill);
  padding:5px 12px;background:rgba(255,255,255,.06);
}
.hero-side{display:flex;justify-content:flex-end;}
.hero-portrait{
  width:100%;max-width:250px;aspect-ratio:9/16;border-radius:var(--r-md);overflow:hidden;
  position:relative;background:var(--brand-ink-2);box-shadow:var(--shadow-3);
  border:1px solid rgba(255,255,255,.14);
}
.hero-portrait img{width:100%;height:100%;object-fit:cover;}
.hero-portrait::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(17,19,22,0) 34%,rgba(17,19,22,.78) 100%);
}
.hero-portrait .cap{
  position:absolute;left:14px;right:14px;bottom:14px;z-index:2;
  font-size:13px;line-height:1.6;color:#fff;font-weight:600;
}
.hero-portrait .cap small{display:block;font-size:11px;font-weight:500;color:rgba(255,255,255,.66);margin-top:4px;letter-spacing:.02em;}
@media (max-width:991px){
  .hero-inner{grid-template-columns:1fr;padding:40px 28px;gap:26px;}
  .hero-side{justify-content:flex-start;}
  .hero-portrait{max-width:190px;}
  .page-hero h1{font-size:30px;}
}
@media (max-width:575px){
  .hero-inner{padding:32px 20px;}
  .page-hero h1{font-size:26px;}
  .page-hero .hero-sub{font-size:15px;}
  .hero-portrait{max-width:150px;}
}

/* ---------- 筛选条 ---------- */
.filter-bar{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:26px 0 4px;
}
.filter-bar .label{font-size:13px;color:var(--text-3);margin-right:4px;letter-spacing:.02em;}
.fchip{
  display:inline-flex;align-items:center;height:34px;padding:0 15px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);font-size:13px;font-weight:600;color:var(--text-2);
  transition:all .18s ease;
}
.fchip:hover{border-color:var(--brand-ink);color:var(--brand-ink);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.fchip.on{background:var(--accent-soft);border-color:rgba(224,69,47,.38);color:var(--accent-deep);}

/* ---------- 杂志式网格 ---------- */
.mag-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px;}
.mcard{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.mcard:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#D6D1C8;}
.mcard .thumb{position:relative;background:var(--bg-soft);overflow:hidden;aspect-ratio:16/10;}
.mcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease;}
.mcard:hover .thumb img{transform:scale(1.04);}
.mcard .badge-tag{
  position:absolute;left:12px;top:12px;z-index:2;
  background:var(--accent-soft);color:var(--accent-deep);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  padding:4px 10px;border-radius:var(--r-pill);
}
.mcard .body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.mcard h3{font-size:17px;line-height:1.5;font-weight:600;letter-spacing:-.01em;}
.mcard:hover h3{color:var(--accent);}
.mcard p{font-size:14px;line-height:1.75;color:var(--text-2);}
.mcard .meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12px;color:var(--text-3);letter-spacing:.02em;
}
.mcard .meta .go{color:var(--accent);font-weight:600;display:inline-flex;align-items:center;gap:4px;transition:gap .18s ease;}
.mcard:hover .meta .go{gap:8px;}

/* 首卡跨两列 */
.mcard.feature{grid-column:span 2;flex-direction:row;}
.mcard.feature .thumb{aspect-ratio:auto;flex:0 0 46%;min-height:100%;}
.mcard.feature .body{padding:24px;gap:12px;}
.mcard.feature h3{font-size:22px;line-height:1.4;}
.mcard.feature p{font-size:14.5px;}
.mcard.feature .feature-pts{display:flex;flex-direction:column;gap:6px;margin-top:2px;}
.mcard.feature .feature-pts li{font-size:13px;color:var(--text-2);display:flex;gap:8px;align-items:flex-start;}
.mcard.feature .feature-pts li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;border-radius:2px;background:var(--accent);margin-top:8px;
}
@media (max-width:991px){
  .mag-grid{grid-template-columns:repeat(2,1fr);}
  .mcard.feature{grid-column:span 2;flex-direction:row;}
  .mcard.feature .thumb{flex:0 0 42%;}
  .mcard.feature h3{font-size:19px;}
}
@media (max-width:575px){
  .mag-grid{grid-template-columns:1fr;gap:16px;}
  .mcard.feature{grid-column:span 1;flex-direction:column;}
  .mcard.feature .thumb{flex:0 0 auto;aspect-ratio:16/10;min-height:0;}
  .mcard.feature .body{padding:18px;}
  .mcard.feature h3{font-size:18px;}
}

/* ---------- 自查流程 ---------- */
.band-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:10px;}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 22px;box-shadow:var(--shadow-1);position:relative;
  transition:box-shadow .2s ease,transform .2s ease;
}
.step:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.step .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:var(--r-sm);
  background:var(--accent);color:#fff;font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.8;color:var(--text-2);}
@media (max-width:991px){.steps{grid-template-columns:1fr;}}
@media (max-width:767px){.section-head p{font-size:13.5px;}}

/* ---------- 清单 + 深色面板 ---------- */
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start;}
.check-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);}
.check-item{
  display:flex;align-items:center;gap:14px;padding:18px 20px;
  border-bottom:1px solid var(--line);transition:background-color .18s ease;
}
.check-item:last-child{border-bottom:0;}
.check-item:hover{background:var(--bg-soft);}
.check-item .sq{
  flex:0 0 auto;width:30px;height:30px;border-radius:var(--r-sm);
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--accent-soft);color:var(--accent-deep);font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.check-item .txt strong{display:block;font-size:16px;font-weight:600;line-height:1.5;}
.check-item .txt span{display:block;font-size:13.5px;color:var(--text-2);line-height:1.7;margin-top:3px;}
.check-item .arrow{margin-left:auto;color:var(--text-3);font-size:16px;transition:transform .18s ease,color .18s ease;}
.check-item:hover .arrow{transform:translateX(4px);color:var(--accent);}
.dark-panel{
  background:var(--brand-ink);color:#fff;border-radius:var(--r-lg);
  padding:32px 28px;box-shadow:var(--shadow-3);position:relative;overflow:hidden;
}
.dark-panel::after{
  content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;
  border-radius:50%;background:rgba(224,69,47,.16);
}
.dark-panel h3{font-size:20px;font-weight:700;line-height:1.4;position:relative;z-index:2;}
.dark-panel p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);margin-top:12px;position:relative;z-index:2;}
.dark-stats{display:flex;gap:22px;margin-top:24px;position:relative;z-index:2;flex-wrap:wrap;}
.dark-stats div{flex:1 1 90px;}
.dark-stats strong{
  display:block;font-size:24px;font-weight:700;color:#fff;
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.dark-stats span{display:block;font-size:12px;color:rgba(255,255,255,.56);margin-top:4px;letter-spacing:.02em;}
.dark-panel .btn{margin-top:24px;position:relative;z-index:2;}
@media (max-width:991px){.split{grid-template-columns:1fr;gap:20px;}}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--line);
}
.accordion-item:first-child{border-top:1px solid var(--line);}
.accordion-button{
  width:100%;background:transparent !important;box-shadow:none !important;
  padding:20px 44px 20px 20px;font-size:16px;font-weight:600;color:var(--text);
  line-height:1.6;text-align:left;border-radius:0;position:relative;
}
.accordion-button:not(.collapsed){color:var(--accent);}
.accordion-button::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:2px;
  background:transparent;transition:background-color .18s ease;
}
.accordion-button:not(.collapsed)::before{background:var(--accent);}
.accordion-button::after{
  content:"＋";background-image:none !important;transform:none !important;
  position:absolute;right:14px;top:50%;margin-top:-12px;
  width:24px;height:24px;line-height:24px;text-align:center;
  font-size:16px;font-weight:400;color:var(--accent);
}
.accordion-button:not(.collapsed)::after{content:"－";}
.accordion-button:hover{color:var(--accent);}
.accordion-body{padding:0 20px 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2);}
@media (max-width:575px){
  .accordion-button{padding:16px 40px 16px 16px;font-size:15px;}
  .accordion-body{padding:0 16px 18px 16px;font-size:14.5px;}
}

/* ---------- CTA 深色带 ---------- */
.cta-band{
  background:var(--brand-ink);border-radius:var(--r-lg);overflow:hidden;
  padding:44px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  position:relative;box-shadow:var(--shadow-3);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.png);
  background-size:cover;background-position:center;opacity:.16;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:26px;font-weight:700;color:#fff;line-height:1.35;letter-spacing:-.01em;}
.cta-band p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.7);margin-top:10px;max-width:520px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-accent{height:52px;min-width:180px;font-size:16px;}
@media (max-width:991px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 24px;}
  .cta-band h2{font-size:22px;}
  .cta-band .btn-accent{height:46px;min-width:150px;font-size:15px;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-ink);color:rgba(255,255,255,.72);margin-top:64px;padding:56px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:36px;padding-bottom:40px;}
.site-footer .brand-mark{background:rgba(255,255,255,.12);color:#fff;box-shadow:none;}
.site-footer .brand-txt strong{color:#fff;}
.site-footer .brand-txt span{color:rgba(255,255,255,.42);}
.foot-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin-top:16px;max-width:420px;}
.foot-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{
  font-size:14px;color:rgba(255,255,255,.72);padding-left:0;border-left:2px solid transparent;
  transition:color .18s ease,border-color .18s ease,padding-left .18s ease;
}
.foot-links a:hover{color:#fff;border-left-color:var(--accent);padding-left:8px;}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
@media (max-width:991px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .foot-brand{grid-column:span 2;}
}
@media (max-width:575px){
  .site-footer{padding-top:40px;}
  .foot-grid{grid-template-columns:1fr;gap:24px;}
  .foot-brand{grid-column:span 1;}
  .foot-bottom{flex-direction:column;align-items:flex-start;font-size:12px;}
}