/* roulang page: index */
:root{
  --brand-ink:#0B2A22;
  --brand-ink-deep:#071913;
  --brand-accent:#D3F24B;
  --brand-accent-2:#FF6A3D;
  --paper:#F7F5EF;
  --surface:#FFFFFF;
  --line:#E5E2D9;
  --text:#12211C;
  --text-muted:#5F6F68;
  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(11,42,34,.06),0 12px 28px rgba(11,42,34,.06);
  --shadow-2:0 24px 60px rgba(11,42,34,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --container:1200px;
}
*,*::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:1.85;
  color:var(--text);
  background:var(--paper);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
svg{display:block}
:focus-visible{outline:2px solid var(--brand-accent);outline-offset:2px;border-radius:6px}
.num-font{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:104px 0}
.section-tight{padding:72px 0}
.section-white{background:var(--surface)}
.section-line{border-top:1px solid var(--line)}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px}
.section-head h2{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.01em;
  position:relative;
  padding-left:20px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.3em;width:8px;height:calc(100% - .6em);
  min-height:28px;background:var(--brand-accent);border-radius:4px;
}
.section-sub{margin-top:12px;color:var(--text-muted);font-size:15px;max-width:640px}
.text-link{font-size:15px;font-weight:700;color:var(--brand-ink);display:inline-flex;align-items:center;gap:6px;border-bottom:2px solid var(--brand-accent);padding-bottom:2px;transition:gap .2s var(--ease)}
.text-link:hover{gap:12px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:16px;font-weight:700;white-space:nowrap;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.btn-primary{background:var(--brand-accent);color:var(--brand-ink);border:1px solid var(--brand-accent)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.05);box-shadow:0 10px 24px rgba(211,242,75,.35)}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.97)}
.btn-outline{border:1px solid var(--line);color:var(--brand-ink);background:transparent}
.btn-outline:hover{border-color:var(--brand-ink);transform:translateY(-1px)}
.btn-ghost{border:1px solid rgba(255,255,255,.34);color:#fff;background:rgba(255,255,255,.04)}
.btn-ghost:hover{background:rgba(255,255,255,.12);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:56px;padding:0 32px;font-size:17px}
.btn-block{width:100%}

.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.06em;background:var(--brand-accent);color:var(--brand-ink)}
.tag-amber{background:var(--brand-accent-2);color:#fff}
.tag-outline{background:transparent;border:1px solid rgba(95,111,104,.3);color:var(--text-muted)}
.tag-paper{background:var(--paper);color:var(--brand-ink);border:1px solid var(--line)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  --nav-fg:#FFFFFF;
  background:var(--brand-ink-deep);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
  --nav-fg:var(--text);
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(11,42,34,.06);
}
.nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--brand-accent);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand-mark svg{width:19px;height:19px;stroke:var(--brand-ink);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--nav-fg);transition:color .25s var(--ease)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;font-size:16px;font-weight:600;color:var(--nav-fg);
  padding:8px 14px;opacity:.86;transition:opacity .2s var(--ease),color .25s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--brand-accent);
  transform:scaleX(0);transform-origin:left;transition:transform .18s var(--ease);
}
.nav-link:hover{opacity:1}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{opacity:1;font-weight:700}
.nav-actions{display:flex;align-items:center;gap:12px}
.status-pill{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 13px;border-radius:12px;
  background:rgba(211,242,75,.16);color:var(--brand-accent);
  font-size:12px;font-weight:600;letter-spacing:.04em;font-variant-numeric:tabular-nums;
  border:1px solid rgba(211,242,75,.28);
}
.site-header.is-scrolled .status-pill{color:var(--brand-ink);background:rgba(211,242,75,.3);border-color:rgba(11,42,34,.1)}
.status-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-accent);box-shadow:0 0 0 3px rgba(211,242,75,.24);animation:pulse 2.4s var(--ease) infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.hamburger{display:none;width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.24);align-items:center;justify-content:center;flex-direction:column;gap:5px}
.site-header.is-scrolled .hamburger{border-color:var(--line)}
.hamburger span{display:block;width:17px;height:1.6px;background:var(--nav-fg);border-radius:2px;transition:background .25s var(--ease)}

/* ---------- Drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--brand-ink-deep);color:#fff;
  display:flex;flex-direction:column;padding:24px 24px 32px;
  transform:translateY(14px);opacity:0;visibility:hidden;
  transition:transform .24s var(--ease),opacity .24s var(--ease),visibility .24s;
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:40px}
.drawer-top .brand-text{color:#fff}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.24);display:flex;align-items:center;justify-content:center}
.drawer-close svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:1.6;stroke-linecap:round}
.drawer-nav{display:flex;flex-direction:column;gap:4px;flex:1}
.drawer-nav a{font-size:24px;font-weight:800;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.82)}
.drawer-nav a.is-active{color:var(--brand-accent)}
.drawer-foot{display:flex;flex-direction:column;gap:14px}
.drawer-note{font-size:13px;color:rgba(255,255,255,.6);text-align:center}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--brand-ink-deep),var(--brand-ink));color:#fff;padding:88px 0 96px;min-height:88vh;display:flex;align-items:center}
.hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.18}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,25,19,.24) 0%,rgba(7,25,19,.72) 100%)}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;width:100%}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand-accent);margin-bottom:20px}
.hero-eyebrow::before{content:"";width:24px;height:2px;background:var(--brand-accent);border-radius:2px}
.hero h1{font-size:clamp(34px,6.2vw,66px);line-height:1.06;font-weight:800;letter-spacing:-.02em;max-width:14em}
.hero-sub{margin-top:22px;font-size:17px;line-height:1.75;color:rgba(255,255,255,.78);max-width:30em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.hero-badges li{
  font-size:13px;font-weight:600;padding:7px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.86);
}
.hero-note{margin-top:26px;font-size:14px;color:rgba(255,255,255,.58)}
.hero-visual{display:flex;justify-content:center}
.phone-card{
  position:relative;width:310px;aspect-ratio:9/16;border-radius:24px;overflow:hidden;
  box-shadow:var(--shadow-2);transform:rotate(-2deg);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease);
  background:var(--brand-ink);
}
.phone-card:hover{transform:rotate(0deg) translateY(-4px);box-shadow:0 30px 70px rgba(0,0,0,.4)}
.phone-card img{width:100%;height:100%;object-fit:cover;opacity:.86}
.play-btn{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:60px;height:60px;border-radius:50%;background:var(--brand-accent);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 30px rgba(0,0,0,.28);transition:transform .2s var(--ease),filter .2s var(--ease);
}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.06);filter:brightness(1.05)}
.play-btn svg{width:20px;height:20px;fill:var(--brand-ink);margin-left:3px}
.dur{
  position:absolute;top:16px;right:16px;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;
  background:rgba(7,25,19,.66);color:#fff;font-variant-numeric:tabular-nums;backdrop-filter:blur(6px);
}
.heat-badge{
  position:absolute;left:16px;bottom:16px;font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;
  background:var(--brand-accent-2);color:#fff;
}

/* ---------- Clip row ---------- */
.snap-wrap{position:relative}
.snap-row{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 0 12px;scrollbar-width:none;
}
.snap-row::-webkit-scrollbar{display:none}
.snap-row::-webkit-scrollbar{height:0}
.clip-card{
  position:relative;flex:0 0 250px;aspect-ratio:9/16;border-radius:var(--radius-lg);overflow:hidden;
  scroll-snap-align:start;background:var(--brand-ink);border:1px solid var(--line);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-1)}
.clip-card img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease)}
.clip-card:hover img{transform:scale(1.03)}
.clip-card.is-wide{flex:0 0 320px}
.clip-veil{
  position:absolute;left:0;right:0;bottom:0;padding:20px 18px 18px;
  background:linear-gradient(180deg,rgba(7,25,19,0) 0%,rgba(7,25,19,.9) 62%);
  color:#fff;display:flex;flex-direction:column;gap:8px;align-items:flex-start;
}
.clip-veil h3{font-size:18px;font-weight:700;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clip-meta{display:flex;align-items:center;gap:8px;font-size:12px;color:rgba(255,255,255,.72);font-variant-numeric:tabular-nums}
.scroll-arrows{display:flex;gap:10px}
.arrow-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);
  display:flex;align-items:center;justify-content:center;
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.arrow-btn svg{width:18px;height:18px;stroke:var(--brand-ink);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.arrow-btn:hover{background:var(--brand-accent);border-color:var(--brand-accent);transform:translateY(-1px)}
.arrow-btn:disabled{opacity:.4;cursor:default;transform:none;background:var(--surface);border-color:var(--line)}

/* ---------- Checklist ---------- */
.check-list{border-top:1px solid var(--line)}
.check-item{
  position:relative;display:grid;grid-template-columns:96px 1fr 96px;gap:28px;align-items:center;
  padding:24px 20px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.check-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand-accent);
  transform:scaleY(0);transform-origin:bottom;transition:transform .22s var(--ease);
}
.check-item:hover{background:var(--surface)}
.check-item:hover::before{transform:scaleY(1)}
.check-num{
  font-size:56px;line-height:1;font-weight:800;font-variant-numeric:tabular-nums;
  color:transparent;-webkit-text-stroke:1.4px #CFCBC0;transition:color .22s var(--ease),-webkit-text-stroke-color .22s var(--ease);
}
.check-item:hover .check-num{color:var(--brand-ink);-webkit-text-stroke-color:var(--brand-ink)}
.check-body h3{font-size:20px;font-weight:700;line-height:1.4}
.check-body p{margin-top:6px;font-size:14px;color:var(--text-muted);line-height:1.7;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.check-thumb{width:96px;height:96px;border-radius:var(--radius-md);overflow:hidden;background:var(--brand-ink)}
.check-thumb img{width:100%;height:100%;object-fit:cover}

/* ---------- Reviews ---------- */
.avg-score{display:flex;align-items:baseline;gap:4px;font-variant-numeric:tabular-nums}
.avg-score strong{font-size:40px;font-weight:800;line-height:1;color:var(--brand-ink);letter-spacing:-.02em}
.avg-score span{font-size:15px;color:var(--text-muted);font-weight:600}
.review-row{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x proximity;padding-bottom:10px;scrollbar-width:none}
.review-row::-webkit-scrollbar{display:none}
.review-card{
  flex:0 0 320px;scroll-snap-align:start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;
  display:flex;flex-direction:column;gap:14px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-1)}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--brand-accent);color:var(--brand-ink);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex-shrink:0;
}
.review-name{font-size:14px;font-weight:600}
.review-role{font-size:12px;color:var(--text-muted)}
.stars{display:flex;gap:2px}
.stars svg{width:14px;height:14px;fill:var(--brand-accent-2)}
.review-text{font-size:14px;line-height:1.75;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.review-time{font-size:12px;color:var(--text-muted);font-variant-numeric:tabular-nums;margin-top:auto}

/* ---------- News (CMS) ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-1);border-color:#D6D2C6}
.news-card.is-lead{grid-column:span 2;display:grid;grid-template-columns:1.15fr 1fr}
.news-link{display:block;height:100%}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-ink)}
.news-card.is-lead .news-thumb{aspect-ratio:auto;height:100%;min-height:280px}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px}
.news-card.is-lead .news-body{padding:30px 28px}
.news-body h3{font-size:19px;font-weight:700;line-height:1.42;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card.is-lead .news-body h3{font-size:24px;-webkit-line-clamp:3}
.news-body p{font-size:14px;color:var(--text-muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-time{font-size:13px;color:var(--text-muted);font-variant-numeric:tabular-nums;margin-top:auto;padding-top:4px}
.empty-state{
  grid-column:1/-1;min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  border:1px dashed var(--line);border-radius:var(--radius-lg);padding:36px;text-align:center;background:var(--surface);
}
.empty-state svg{width:24px;height:24px;stroke:var(--text-muted);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{font-size:15px;color:var(--text-muted)}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:16px;background:transparent;overflow:hidden;transition:border-color .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease)}
.faq-item.is-open{background:var(--surface);border-left:3px solid var(--brand-accent);box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;
  padding:20px 24px;font-size:18px;font-weight:700;line-height:1.5;color:var(--text);
  transition:color .2s var(--ease);
}
.faq-item.is-open .faq-q{color:var(--brand-ink)}
.faq-icon{width:20px;height:20px;flex-shrink:0;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;transition:transform .2s var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .24s var(--ease)}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--text-muted);margin-top:-4px}

/* ---------- CTA ---------- */
.cta-band{position:relative;background:linear-gradient(135deg,var(--brand-ink-deep),var(--brand-ink));color:#fff;padding:88px 0;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.14}
.cta-band > .container{position:relative;z-index:2}
.cta-grid{display:grid;grid-template-columns:140px 1fr auto;gap:44px;align-items:center}
.cta-mini{position:relative;width:140px;aspect-ratio:9/16;border-radius:18px;overflow:hidden;transform:rotate(-3deg);box-shadow:var(--shadow-2);background:var(--brand-ink)}
.cta-mini img{width:100%;height:100%;object-fit:cover;opacity:.85}
.cta-mini .play-btn{width:44px;height:44px}
.cta-mini .play-btn svg{width:14px;height:14px}
.cta-copy h2{font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.2;letter-spacing:-.01em}
.cta-copy p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.74);max-width:34em;line-height:1.8}
.cta-badges{display:flex;flex-wrap:wrap;gap:14px;margin-top:48px;justify-content:center}
.cta-badges span{
  font-size:13px;font-weight:600;padding:8px 18px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.8);
}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-ink-deep);color:#fff;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;padding-bottom:56px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:26em}
.footer-tags{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}
.footer-tags span{font-size:12px;font-weight:600;padding:6px 12px;border-radius:999px;background:rgba(211,242,75,.14);color:var(--brand-accent)}
.footer-col h3{font-size:14px;font-weight:700;margin-bottom:18px;color:#fff}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.6);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:24px 32px 28px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.52);font-variant-numeric:tabular-nums;
}
.footer-bottom .fb-brand{color:rgba(255,255,255,.86);font-weight:700}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .hero-grid{gap:40px}
  .phone-card{width:280px}
  .check-item{grid-template-columns:80px 1fr 84px;gap:22px}
  .check-num{font-size:46px}
  .check-thumb{width:84px;height:84px}
  .clip-card{flex:0 0 240px}
  .clip-card.is-wide{flex:0 0 280px}
}
@media (max-width:1023px){
  .nav-links,.status-pill,.nav-actions .btn{display:none}
  .hamburger{display:flex}
  .section{padding:76px 0}
  .hero{min-height:auto;padding:72px 0}
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero h1{max-width:none}
  .hero-visual{order:2}
  .phone-card{width:min(68vw,320px);transform:none}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-card.is-lead{grid-column:span 2;grid-template-columns:1fr;display:block}
  .news-card.is-lead .news-thumb{aspect-ratio:16/9;height:auto;min-height:0}
  .cta-grid{grid-template-columns:110px 1fr;gap:32px}
  .cta-action{grid-column:1/-1}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
  .footer-col:last-child{grid-column:span 3}
}
@media (max-width:899px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:32px}
  .scroll-arrows{display:none}
  .check-item{grid-template-columns:64px 1fr;gap:18px;padding:20px 12px}
  .check-thumb{display:none}
  .review-card{flex:0 0 280px}
  .cta-grid{grid-template-columns:1fr;gap:28px;justify-items:start}
  .cta-mini{width:120px;transform:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:span 2}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:559px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-head h2{padding-left:16px}
  .hero{padding:56px 0}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-badges{gap:8px}
  .clip-card{flex:0 0 200px}
  .clip-card.is-wide{flex:0 0 220px}
  .news-grid{grid-template-columns:1fr}
  .news-card.is-lead{grid-column:span 1}
  .check-num{font-size:32px}
  .check-body h3{font-size:18px}
  .check-body p{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
  .faq-q{font-size:16px;padding:18px 20px}
  .faq-a p{padding:0 20px 20px}
  .review-card{flex:0 0 240px;padding:20px}
  .btn-lg{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-col:last-child{grid-column:span 1}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  .phone-card{transform:none}
}

/* roulang page: article */
:root{
  --brand-ink:#0B2A22;
  --brand-ink-deep:#071913;
  --brand-accent:#D3F24B;
  --brand-accent-2:#FF6A3D;
  --paper:#F7F5EF;
  --surface:#FFFFFF;
  --line:#E5E2D9;
  --text:#12211C;
  --text-muted:#5F6F68;
  --radius-card:22px;
  --radius-sm:14px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(11,42,34,.06),0 12px 28px rgba(11,42,34,.06);
  --shadow-2:0 24px 60px rgba(11,42,34,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:220ms;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:800;letter-spacing:-.01em}
p{margin:0}
input,textarea{font:inherit}
:focus-visible{outline:2px solid var(--brand-accent);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.93);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t) var(--ease),background-color var(--t) var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(11,42,34,.07)}
.header-inner{display:flex;align-items:center;gap:28px;min-height:74px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--brand-accent);
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-mark svg{width:19px;height:19px;display:block}
.brand-text{
  font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--brand-ink);
  white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;font-size:16px;font-weight:600;color:var(--text-muted);
  padding:6px 0;transition:color var(--t) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:auto;bottom:-4px;height:2px;width:0;
  background:var(--brand-accent);border-radius:2px;transition:width 180ms var(--ease);
}
.nav-link:hover{color:var(--brand-ink)}
.nav-link:hover::after,.nav-link.is-active::after{width:100%}
.nav-link.is-active{color:var(--brand-ink);font-weight:700}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.countdown-pill{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(211,242,75,.24);color:var(--brand-ink);
  border-radius:12px;padding:6px 12px;font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.countdown-pill i{width:6px;height:6px;border-radius:50%;background:var(--brand-accent-2);display:inline-block}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-ink);border-radius:2px;position:relative}
.nav-toggle span::before{content:"";position:absolute;left:0;top:-6px;width:18px;height:2px;background:var(--brand-ink);border-radius:2px}

/* 移动抽屉 */
.nav-drawer{
  position:fixed;inset:0;z-index:120;background:var(--paper);
  display:flex;flex-direction:column;padding:26px 24px 32px;
  transform:translateY(-100%);opacity:0;pointer-events:none;
  transition:transform 240ms var(--ease),opacity 240ms var(--ease);
}
.nav-drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:34px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;background:var(--surface)}
.drawer-close svg{width:18px;height:18px}
.drawer-links{display:flex;flex-direction:column;gap:6px}
.drawer-links a{font-size:24px;font-weight:800;color:var(--brand-ink);padding:12px 0;border-bottom:1px solid var(--line)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px}
.drawer-status{font-size:13px;color:var(--text-muted)}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap;
  transition:transform 200ms var(--ease),background-color 200ms var(--ease),color 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.btn-primary{background:var(--brand-accent);color:var(--brand-ink);box-shadow:0 8px 20px rgba(211,242,75,.32)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:var(--surface);color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand-ink);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn .arrow{transition:transform 200ms var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.06em;white-space:nowrap;
}
.tag-accent{background:var(--brand-accent);color:var(--brand-ink)}
.tag-outline{border:1px solid rgba(11,42,34,.18);color:var(--text-muted);background:transparent}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-muted);padding:30px 0 0;
}
.crumb a{transition:color var(--t) var(--ease)}
.crumb a:hover{color:var(--brand-ink)}
.crumb .sep{opacity:.5}
.crumb .now{color:var(--text-muted);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章 ---------- */
.article-wrap{max-width:760px;margin:0 auto}
.article-head{padding:26px 0 0}
.article-head h1{
  font-size:clamp(28px,4vw,44px);line-height:1.2;color:var(--brand-ink);
  margin:18px 0 18px;letter-spacing:-.02em;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:13px;color:var(--text-muted);font-variant-numeric:tabular-nums;
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block}
.article-cover{
  margin:34px 0 0;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);background:var(--brand-ink);box-shadow:var(--shadow-1);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-body{padding:46px 0 0;font-size:17px;line-height:1.9;color:#1B2E27}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);line-height:1.3;
  color:var(--brand-ink);margin:44px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
  border-radius:2px;background:var(--brand-accent);
}
.article-body h3{font-size:20px;color:var(--brand-ink);margin:32px 0 12px}
.article-body h4{font-size:17px;color:var(--brand-ink);margin:24px 0 10px}
.article-body ul{margin:0 0 1.4em;padding:0}
.article-body ul li{position:relative;padding-left:22px;margin:9px 0}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;
  border-radius:2px;background:var(--brand-accent);
}
.article-body ol{margin:0 0 1.4em;padding-left:1.4em;list-style:decimal}
.article-body ol li{margin:9px 0}
.article-body ol li::marker{color:var(--brand-ink);font-weight:700}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;background:var(--paper);
  border-left:3px solid var(--brand-accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--text-muted);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-sm);margin:26px 0 10px;width:100%;height:auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--text-muted);text-align:center;margin-top:10px}
.article-body a{color:var(--brand-ink);border-bottom:1px solid rgba(11,42,34,.28)}
.article-body a:hover{border-bottom-color:var(--brand-ink);background:rgba(211,242,75,.28)}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--paper);font-weight:700;color:var(--brand-ink)}
.article-body pre{
  background:var(--brand-ink-deep);color:#E4F1EA;padding:18px 20px;
  border-radius:var(--radius-sm);overflow-x:auto;font-size:14px;line-height:1.7;margin:24px 0;
}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;font-size:.94em}
.article-body p code,.article-body li code{background:var(--paper);padding:2px 6px;border-radius:6px;color:var(--brand-ink)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:44px 0}

/* 空态 */
.article-empty{
  margin:44px 0 0;padding:48px 28px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--radius-card);background:var(--surface);
}
.article-empty svg{width:26px;height:26px;margin:0 auto 14px;display:block;stroke:var(--brand-ink)}
.article-empty h2{font-size:22px;color:var(--brand-ink);margin-bottom:10px}
.article-empty p{color:var(--text-muted);font-size:15px;margin-bottom:22px}

/* 文末操作 */
.article-actions{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:52px;padding-top:28px;border-top:1px solid var(--line);
}
.action-icons{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);
  display:grid;place-items:center;transition:background-color var(--t) var(--ease),border-color var(--t) var(--ease),transform var(--t) var(--ease);
}
.icon-btn svg{width:18px;height:18px;stroke:var(--brand-ink);stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.icon-btn:hover{background:var(--brand-accent);border-color:var(--brand-accent);transform:translateY(-2px)}
.icon-btn.is-on{background:var(--brand-accent-2);border-color:var(--brand-accent-2)}
.icon-btn.is-on svg{stroke:#fff;fill:#fff}

/* 相关推荐 */
.related{margin-top:76px;padding-top:56px;border-top:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.section-head h2{position:relative;font-size:clamp(22px,2.6vw,30px);color:var(--brand-ink);padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:32px;height:4px;border-radius:2px;background:var(--brand-accent)}
.section-head h2{padding-left:0;padding-top:18px}
.section-head h2::before{top:0;bottom:auto;left:0}
.section-head p{font-size:14px;color:var(--text-muted)}
.related-track{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),border-color 180ms var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-1);border-color:rgba(11,42,34,.14)}
.rel-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-ink)}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 240ms var(--ease)}
.rel-card:hover .thumb img{transform:scale(1.03)}
.rel-card .body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card h3{font-size:17px;line-height:1.45;color:var(--brand-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card .time{font-size:12px;color:var(--text-muted);font-variant-numeric:tabular-nums;margin-top:auto}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;margin-top:84px;border-radius:28px;
  background:linear-gradient(135deg,var(--brand-ink-deep) 0%,var(--brand-ink) 100%);
  color:#fff;padding:52px 48px;
  display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.16;pointer-events:none;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  mix-blend-mode:luminosity;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(24px,2.8vw,34px);line-height:1.25;color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.76);font-size:15px;max-width:480px}
.cta-side{display:flex;justify-content:flex-end}
.cta-side .btn{height:56px;padding:0 34px;font-size:16px}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;grid-column:1 / -1}
.cta-badges span{
  font-size:12px;font-weight:600;letter-spacing:.06em;padding:6px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.06);color:rgba(255,255,255,.86);
  font-variant-numeric:tabular-nums;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-ink-deep);color:rgba(255,255,255,.78);padding:76px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{margin:18px 0 0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px}
.footer-tags{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}
.footer-tags span{
  font-size:12px;font-weight:600;letter-spacing:.06em;padding:5px 12px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.82);
}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color var(--t) var(--ease),transform var(--t) var(--ease);display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding-top:24px;padding-bottom:28px;
  font-size:13px;color:rgba(255,255,255,.55);font-variant-numeric:tabular-nums;
}
.footer-bottom .fb-brand{color:rgba(255,255,255,.78)}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 260ms var(--ease),transform 260ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 断点 ---------- */
@media (max-width:1200px){
  .container{padding:0 28px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .countdown-pill{display:none}
  .nav-actions .btn{display:none}
  .nav-toggle{display:grid}
  .header-inner{min-height:66px}
}
@media (max-width:900px){
  .related-track{
    display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
    padding-bottom:10px;-webkit-overflow-scrolling:touch;
  }
  .related-track::-webkit-scrollbar{display:none}
  .rel-card{flex:0 0 78%;scroll-snap-align:start}
  .cta-band{grid-template-columns:1fr;padding:40px 28px;gap:26px}
  .cta-side{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:768px){
  .article-cover img{aspect-ratio:4/3}
  .section-head h2{padding-top:16px}
}
@media (max-width:560px){
  .container{padding:0 20px}
  body{font-size:15px}
  .header-inner{min-height:62px}
  .brand-text{font-size:16px}
  .crumb{padding-top:22px}
  .article-head h1{font-size:clamp(24px,7.2vw,30px)}
  .article-body{font-size:16.5px;padding-top:34px}
  .article-body h2{margin-top:36px}
  .article-body h3{margin-top:26px}
  .article-actions{flex-direction:column;align-items:stretch}
  .article-actions .btn{width:100%}
  .action-icons{justify-content:center}
  .rel-card{flex:0 0 84%}
  .cta-band{margin-top:56px;padding:34px 22px;border-radius:22px}
  .cta-side .btn{width:100%}
  .site-footer{padding-top:56px;margin-top:64px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
  .rel-card:hover{transform:none}
  .rel-card:hover .thumb img{transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --brand-ink:#0B2A22;
  --brand-ink-deep:#071913;
  --brand-accent:#D3F24B;
  --brand-accent-2:#FF6A3D;
  --paper:#F7F5EF;
  --surface:#FFFFFF;
  --line:#E5E2D9;
  --text:#12211C;
  --text-muted:#5F6F68;
  --r-card:22px;
  --r-sm:14px;
  --r-input:12px;
  --shadow-1:0 1px 2px rgba(11,42,34,.06),0 12px 28px rgba(11,42,34,.06);
  --shadow-2:0 24px 60px rgba(11,42,34,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
  --container:1200px;
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{font-weight:800;letter-spacing:-.02em}
:focus-visible{outline:2px solid var(--brand-accent);outline-offset:2px;border-radius:6px}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%}
.num{font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:background var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(11,42,34,.07)}
.header-inner{
  height:var(--header-h);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;flex-shrink:0;border-radius:10px;
  background:var(--brand-accent);
  display:grid;place-items:center;
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:17px;font-weight:600;
  color:var(--text);
  border-radius:10px;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand-accent);
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.nav-link:hover{color:var(--brand-ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-ink)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px}
.countdown-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border-radius:12px;
  background:rgba(211,242,75,.20);
  color:var(--brand-ink);
  font-size:13px;font-weight:600;
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.countdown-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-ink);animation:pulse 2s infinite var(--ease)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.32}}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;
  font-weight:700;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-primary{
  height:40px;padding:0 20px;
  background:var(--brand-accent);color:var(--brand-ink);
  font-size:15px;
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 10px 22px rgba(11,42,34,.16)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  height:40px;padding:0 20px;font-size:15px;
  border:1px solid rgba(11,42,34,.24);color:var(--brand-ink);
}
.btn-ghost:hover{transform:translateY(-1px);border-color:var(--brand-ink);background:rgba(11,42,34,.04)}
.btn-lg{height:56px;padding:0 30px;font-size:17px}
.btn-lg .arrow{transition:transform var(--dur) var(--ease)}
.btn-lg:hover .arrow{transform:translateX(4px)}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);
  align-items:center;justify-content:center;
  background:var(--surface);
}
.burger span{display:block;width:18px;height:2px;background:var(--brand-ink);border-radius:2px;transition:transform var(--dur) var(--ease)}
.burger span+span{margin-top:5px}
.burger.is-open span:first-child{transform:translateY(3.5px) rotate(45deg)}
.burger.is-open span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
.mobile-drawer{
  position:fixed;inset:var(--header-h) 0 0 0;z-index:70;
  background:var(--paper);
  padding:32px 24px 40px;
  display:flex;flex-direction:column;
  transform:translateY(-12px);opacity:0;pointer-events:none;
  transition:opacity 240ms var(--ease),transform 240ms var(--ease);
}
.mobile-drawer.is-open{opacity:1;transform:none;pointer-events:auto}
.mobile-drawer a.m-drawer-link{
  font-size:24px;font-weight:800;padding:14px 0;
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.m-drawer-link.is-active{color:var(--brand-ink)}
.mobile-drawer a.m-drawer-link.is-active::before{
  content:"";display:inline-block;width:8px;height:8px;border-radius:50%;
  background:var(--brand-accent);margin-right:10px;vertical-align:middle;
}
.mobile-drawer .m-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px}
.mobile-drawer .m-status{font-size:13px;color:var(--text-muted)}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;
  background:linear-gradient(135deg,var(--brand-ink-deep),var(--brand-ink));
  color:#fff;
  padding:56px 0 60px;
  overflow:hidden;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  opacity:.16;mix-blend-mode:luminosity;pointer-events:none;
}
.page-head .container{position:relative;z-index:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66)}
.crumbs a{color:rgba(255,255,255,.8)}
.crumbs a:hover{color:var(--brand-accent)}
.crumbs .sep{opacity:.5}
.crumbs .current{color:rgba(255,255,255,.64)}
.page-head h1{
  margin-top:18px;
  font-size:clamp(32px,5vw,54px);
  line-height:1.1;
  max-width:820px;
}
.page-head .lede{
  margin-top:16px;
  max-width:660px;
  font-size:16px;line-height:1.85;
  color:rgba(255,255,255,.72);
}
.page-head .head-meta{
  margin-top:26px;
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
}
.tag-primary{
  display:inline-flex;align-items:center;
  padding:6px 12px;border-radius:999px;
  background:var(--brand-accent);color:var(--brand-ink);
  font-size:12px;font-weight:600;letter-spacing:.06em;
}
.tag-outline{
  display:inline-flex;align-items:center;
  padding:6px 12px;border-radius:999px;
  border:1px solid rgba(255,255,255,.28);
  color:rgba(255,255,255,.84);
  font-size:12px;font-weight:600;letter-spacing:.06em;
}
.tag-hot{
  display:inline-flex;align-items:center;
  padding:6px 12px;border-radius:999px;
  background:var(--brand-accent-2);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:.06em;
}

/* ---------- 状态条 ---------- */
.status-strip{
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.status-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:24px;padding:28px 0;
}
.status-item{display:flex;flex-direction:column;gap:6px}
.status-item .k{font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--text-muted)}
.status-item .v{font-size:26px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.status-item .v small{font-size:14px;font-weight:600;color:var(--text-muted);margin-left:4px}

/* ---------- 主体 4:8 ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.doc-layout{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:24px;
  align-items:start;
}
.doc-toc{
  position:sticky;top:calc(var(--header-h) + 24px);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 22px;
  box-shadow:var(--shadow-1);
}
.doc-toc h2{
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--text-muted);text-transform:none;
}
.doc-toc ul{margin-top:16px;display:flex;flex-direction:column;gap:2px}
.toc-link{
  position:relative;
  display:block;
  padding:10px 12px 10px 16px;
  font-size:15px;font-weight:600;
  color:var(--text-muted);
  border-radius:10px;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.toc-link::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  border-radius:3px;background:var(--brand-accent);
  transform:scaleY(0);transform-origin:bottom;
  transition:transform var(--dur) var(--ease);
}
.toc-link:hover{color:var(--brand-ink);background:rgba(11,42,34,.035)}
.toc-link.is-active{color:var(--brand-ink);background:rgba(211,242,75,.18);font-weight:700}
.toc-link.is-active::before{transform:scaleY(1)}
.toc-note{
  margin-top:20px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;line-height:1.7;color:var(--text-muted);
}
.doc-stack{display:flex;flex-direction:column;gap:24px}
.doc-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  scroll-margin-top:calc(var(--header-h) + 24px);
  transition:box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.doc-card:hover{box-shadow:var(--shadow-1)}
.doc-card .card-index{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-ink);
  background:rgba(211,242,75,.24);
  padding:5px 12px;border-radius:999px;
}
.doc-card h2{
  position:relative;
  margin-top:16px;
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.2;
  padding-left:20px;
}
.doc-card h2::before{
  content:"";position:absolute;left:0;top:.42em;
  width:10px;height:4px;border-radius:2px;background:var(--brand-accent);
}
.doc-card p{margin-top:14px;color:var(--text-muted);font-size:16px;line-height:1.85}
.doc-card p strong{color:var(--text);font-weight:700}
.doc-figure{
  margin-top:22px;
  border-radius:var(--r-sm);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/9;
  background:var(--brand-ink);
}
.doc-figure img{width:100%;height:100%;transition:transform 240ms var(--ease)}
.doc-figure:hover img{transform:scale(1.03)}
.doc-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.doc-list li{
  position:relative;
  padding-left:22px;
  font-size:15px;line-height:1.8;color:var(--text-muted);
}
.doc-list li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:6px;height:6px;border-radius:2px;background:var(--brand-accent);
}

/* ---------- 场景横滚 ---------- */
.sec-head{
  display:flex;align-items:flex-start;justify-content:space-between;gap:24px;
  margin-bottom:32px;
}
.sec-head h2{
  position:relative;padding-left:20px;
  font-size:clamp(24px,3.2vw,36px);line-height:1.18;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.46em;
  width:12px;height:4px;border-radius:2px;background:var(--brand-accent);
}
.sec-head p{margin-top:10px;color:var(--text-muted);font-size:15px;max-width:560px}
.rail-wrap{position:relative}
.rail{
  display:flex;gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 2px 18px;
  scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 280px;
  scroll-snap-align:start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-1)}
.rail-card .thumb{position:relative;aspect-ratio:16/10;background:var(--brand-ink);overflow:hidden}
.rail-card .thumb img{width:100%;height:100%;transition:transform 240ms var(--ease)}
.rail-card:hover .thumb img{transform:scale(1.03)}
.rail-card .body{padding:20px}
.rail-card h3{font-size:17px;line-height:1.4}
.rail-card p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--text-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-card .meta{margin-top:14px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12px;color:var(--text-muted);font-variant-numeric:tabular-nums}
.rail-actions{display:flex;gap:10px;margin-top:4px}
.rail-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);
  background:var(--surface);
  display:grid;place-items:center;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.rail-btn:hover{background:var(--brand-accent);border-color:var(--brand-accent);transform:translateY(-1px)}
.rail-btn svg{width:18px;height:18px}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid transparent;
  border-radius:16px;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.faq-item.is-open{border-left-color:var(--brand-accent);box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;
  text-align:left;
  font-size:18px;font-weight:700;
  line-height:1.5;
}
.faq-item.is-open .faq-q{color:var(--brand-ink)}
.faq-icon{
  position:relative;flex:0 0 20px;width:20px;height:20px;
  transition:transform 200ms var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--brand-ink);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px;transition:opacity 200ms var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(90deg)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows 240ms var(--ease)}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a-inner p{
  padding:0 24px 22px;
  font-size:15px;line-height:1.85;color:var(--text-muted);
}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--brand-ink-deep),var(--brand-ink));
  color:#fff;
  padding:96px 0;
}
.cta-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:36px;align-items:center;
}
.cta-left{display:flex;align-items:center;gap:28px}
.cta-mini{
  flex:0 0 140px;width:140px;aspect-ratio:9/16;
  border-radius:20px;overflow:hidden;position:relative;
  transform:rotate(-3deg);
  box-shadow:var(--shadow-2);
  background:var(--brand-ink-deep);
  transition:transform var(--dur) var(--ease);
}
.cta-mini:hover{transform:rotate(0deg)}
.cta-mini img{width:100%;height:100%;opacity:.7}
.cta-mini .play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:44px;height:44px;border-radius:50%;
  background:var(--brand-accent);
  display:grid;place-items:center;
}
.cta-mini .play svg{width:16px;height:16px}
.cta-copy h2{
  font-size:clamp(24px,3.2vw,38px);line-height:1.18;
}
.cta-copy p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.7);max-width:460px}
.cta-right{display:flex;flex-direction:column;align-items:flex-start;gap:16px}
.cta-right .hint{font-size:13px;color:rgba(255,255,255,.6)}
.cta-badges{
  margin-top:44px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;
}
.cta-badges span{
  padding:8px 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.24);
  color:rgba(255,255,255,.82);
  font-size:13px;font-weight:600;letter-spacing:.04em;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-ink-deep);
  color:rgba(255,255,255,.72);
  padding:72px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand .brand-text{font-size:18px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:320px}
.footer-tags{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px}
.footer-tags span{
  padding:6px 12px;border-radius:999px;
  border:1px solid rgba(255,255,255,.2);
  font-size:12px;font-weight:600;color:rgba(255,255,255,.75);
}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em}
.footer-col ul{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.62);
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
  display:inline-block;
}
.footer-col a:hover{color:var(--brand-accent);transform:translateX(2px)}
.footer-bottom{
  margin-top:48px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.5);
  font-variant-numeric:tabular-nums;
}
.footer-bottom .fb-brand{color:rgba(255,255,255,.66)}

/* ---------- 入场动效 ---------- */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity 480ms var(--ease),transform 480ms var(--ease)}
.js .reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 28px}
  .status-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .rail-card{flex:0 0 260px}
}
@media (max-width:1023px){
  .nav-links,.countdown-pill{display:none}
  .burger{display:flex}
  .doc-layout{grid-template-columns:1fr}
  .doc-toc{
    position:static;
    display:flex;gap:10px;overflow-x:auto;
    padding:14px;scrollbar-width:none;
  }
  .doc-toc::-webkit-scrollbar{display:none}
  .doc-toc h2,.toc-note{display:none}
  .doc-toc ul{flex-direction:row;margin-top:0;gap:10px}
  .toc-link{
    white-space:nowrap;padding:8px 14px;border-radius:999px;
    background:var(--surface);border:1px solid var(--line);
  }
  .toc-link::before{display:none}
  .toc-link.is-active{background:var(--brand-accent);color:var(--brand-ink);border-color:var(--brand-accent)}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .cta-right{align-items:stretch}
  .cta-right .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
  .cta-band{padding:72px 0}
}
@media (max-width:899px){
  .page-head{padding:48px 0 52px}
  .doc-card{padding:24px}
  .rail-card{flex:0 0 240px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-left{flex-direction:column;align-items:flex-start;gap:20px}
  .cta-mini{width:120px;flex-basis:120px;transform:rotate(0deg)}
  .section{padding:56px 0}
  .section-tight{padding:56px 0}
  .cta-band{padding:56px 0}
  .sec-head{flex-direction:column;gap:16px}
  .sec-head h2{font-size:clamp(22px,6vw,28px)}
}
@media (max-width:559px){
  .status-grid{grid-template-columns:1fr 1fr;gap:16px;padding:22px 0}
  .status-item .v{font-size:22px}
  .rail-card{flex:0 0 200px}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a-inner p{padding:0 18px 20px}
  .btn{width:100%}
  .nav-right .btn{width:auto}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .js .reveal{opacity:1;transform:none}
  .cta-mini{transform:none}
}

/* roulang page: category2 */
:root{
  --brand-ink:#0B2A22;
  --brand-ink-deep:#071913;
  --brand-accent:#D3F24B;
  --brand-accent-2:#FF6A3D;
  --paper:#F7F5EF;
  --surface:#FFFFFF;
  --line:#E5E2D9;
  --text:#12211C;
  --text-muted:#5F6F68;
  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(11,42,34,.06),0 12px 28px rgba(11,42,34,.06);
  --shadow-2:0 24px 60px rgba(11,42,34,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,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:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
svg{display:block;}
.num{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;}
.section-head h2{font-size:clamp(26px,3.4vw,40px);line-height:1.15;font-weight:800;}
.section-head .head-note{font-size:15px;color:var(--text-muted);max-width:520px;line-height:1.7;}
.h2-rule{position:relative;padding-left:44px;}
.h2-rule::before{content:"";position:absolute;left:0;top:.52em;width:32px;height:4px;border-radius:2px;background:var(--brand-accent);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),color var(--dur) var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand-accent);color:var(--brand-ink);}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 10px 24px rgba(11,42,34,.18);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:transparent;color:var(--text);border-color:rgba(11,42,34,.28);}
.btn-outline:hover{border-color:var(--brand-ink);background:rgba(11,42,34,.04);transform:translateY(-1px);}
.btn-dark{background:var(--brand-ink);color:#fff;}
.btn-dark:hover{transform:translateY(-1px);background:var(--brand-ink-deep);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-lg{height:56px;padding:0 34px;font-size:16px;}
.btn-arrow{transition:transform var(--dur) var(--ease);}
.btn:hover .btn-arrow{transform:translateX(4px);}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand-accent);outline-offset:2px;
}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.06em;line-height:1.4;}
.badge-accent{background:var(--brand-accent);color:var(--brand-ink);}
.badge-hot{background:var(--brand-accent-2);color:#fff;}
.badge-outline{background:transparent;border:1px solid rgba(11,42,34,.24);color:var(--text-muted);}
.badge-ghost{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.26);color:rgba(255,255,255,.86);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(11,42,34,.08);}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--brand-accent);
  display:flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--brand-ink);}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-link{
  position:relative;font-size:17px;font-weight:600;color:var(--text);
  padding:6px 0;transition:color var(--dur) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand-accent);
  transition:width var(--dur) var(--ease);
}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--brand-ink);}
.nav-link.is-active::after{width:100%;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.pill-countdown{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(211,242,75,.22);color:var(--brand-ink);
  border-radius:12px;padding:7px 12px;font-size:13px;font-weight:600;
}
.cd-label{font-weight:600;opacity:.75;}
.cd-num{font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:.02em;}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);
  border-radius:12px;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--brand-ink);border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);}
.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.5px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.5px) rotate(-45deg);}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--brand-ink-deep);
  transform:translateY(100%);opacity:0;visibility:hidden;
  transition:transform 240ms var(--ease),opacity 240ms var(--ease),visibility 240ms;
  display:flex;flex-direction:column;padding:24px 24px 32px;color:#fff;
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:40px;}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.24);background:transparent;color:#fff;font-size:22px;line-height:1;cursor:pointer;}
.drawer-nav{display:flex;flex-direction:column;gap:20px;}
.drawer-nav a{font-size:24px;font-weight:800;color:rgba(255,255,255,.9);}
.drawer-nav a.is-active{color:var(--brand-accent);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px;}
.drawer-foot .btn{width:100%;}
.drawer-status{font-size:13px;color:rgba(255,255,255,.6);}

/* ---------- page head ---------- */
.page-head{background:var(--paper);border-bottom:1px solid var(--line);padding:40px 0 56px;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);margin-bottom:26px;flex-wrap:wrap;}
.crumbs a{color:var(--text-muted);transition:color var(--dur) var(--ease);}
.crumbs a:hover{color:var(--brand-ink);}
.crumbs .sep{opacity:.5;}
.crumb-current{color:var(--text-muted);}
.page-head-grid{display:grid;grid-template-columns:8fr 4fr;gap:48px;align-items:end;}
.page-head h1{font-size:clamp(34px,5vw,56px);line-height:1.06;font-weight:800;letter-spacing:-.02em;color:var(--brand-ink);}
.page-head .lead{margin-top:18px;font-size:16px;color:var(--text-muted);max-width:640px;line-height:1.8;}
.page-head-side{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;}

/* ---------- split 8:4 ---------- */
.split-8-4{display:grid;grid-template-columns:8fr 4fr;gap:24px;align-items:start;}
.figure-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.figure-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--brand-ink);}
.figure-card figcaption{padding:16px 24px 20px;font-size:13px;color:var(--text-muted);line-height:1.7;}
.param-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;
}
.param-panel h2{font-size:22px;font-weight:800;line-height:1.35;margin-bottom:8px;}
.param-panel .panel-note{font-size:14px;color:var(--text-muted);margin-bottom:20px;}
.param-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:14px 0;border-top:1px solid var(--line);}
.param-row:first-of-type{border-top:none;}
.param-row .k{font-size:14px;font-weight:600;color:var(--text-muted);}
.param-row .v{font-size:16px;font-weight:700;color:var(--brand-ink);font-variant-numeric:tabular-nums;}
.param-row .v small{font-size:12px;font-weight:600;color:var(--text-muted);margin-left:4px;}

/* ---------- meter cards ---------- */
.meter-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:start;}
.meter-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px 24px;transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.meter-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(11,42,34,.10);}
.meter-grid .meter-card:nth-child(1){margin-top:0;}
.meter-grid .meter-card:nth-child(2){margin-top:28px;}
.meter-grid .meter-card:nth-child(3){margin-top:12px;}
.meter-grid .meter-card:nth-child(4){margin-top:40px;}
.meter-icon{
  width:40px;height:40px;border-radius:12px;background:rgba(211,242,75,.28);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.meter-icon svg{width:22px;height:22px;stroke:var(--brand-ink);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.meter-card h3{font-size:19px;font-weight:700;line-height:1.4;margin-bottom:10px;}
.meter-card p{font-size:14px;color:var(--text-muted);line-height:1.75;min-height:74px;}
.meter-bar{margin-top:20px;height:6px;border-radius:999px;background:rgba(11,42,34,.08);overflow:hidden;}
.meter-bar i{display:block;height:100%;border-radius:999px;background:var(--brand-accent);}
.meter-bar.is-orange i{background:var(--brand-accent-2);}
.meter-meta{display:flex;justify-content:space-between;margin-top:8px;font-size:12px;color:var(--text-muted);font-variant-numeric:tabular-nums;}

/* ---------- compare strip ---------- */
.compare{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;}
.compare-row{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:22px 28px;border-top:1px solid var(--line);align-items:start;transition:background-color var(--dur) var(--ease);}
.compare-row:first-child{border-top:none;}
.compare-row:hover{background:#FCFBF7;}
.compare-row .label{font-size:14px;font-weight:700;color:var(--brand-ink);}
.compare-row .value{font-size:15px;color:var(--text);}
.compare-row .value span{display:block;font-size:13px;color:var(--text-muted);margin-top:4px;line-height:1.7;}

/* ---------- numbered list ---------- */
.numlist{border-top:1px solid var(--line);}
.numlist-item{
  display:grid;grid-template-columns:96px 1fr 96px;gap:24px;align-items:center;
  padding:22px 20px 22px 0;border-bottom:1px solid var(--line);position:relative;
  transition:background-color var(--dur) var(--ease);
}
.numlist-item::before{
  content:"";position:absolute;left:0;bottom:0;width:3px;height:0;background:var(--brand-accent);
  transition:height 260ms var(--ease);
}
.numlist-item:hover{background:var(--surface);}
.numlist-item:hover::before{height:100%;}
.numlist-item:hover .numlist-idx{color:var(--brand-ink);}
.numlist-idx{font-size:48px;font-weight:800;line-height:1;color:var(--line);font-variant-numeric:tabular-nums;text-align:center;transition:color var(--dur) var(--ease);}
.numlist-body h3{font-size:20px;font-weight:700;line-height:1.4;margin-bottom:6px;}
.numlist-body p{font-size:14px;color:var(--text-muted);line-height:1.7;}
.numlist-thumb{width:96px;height:96px;border-radius:var(--radius-md);overflow:hidden;background:var(--brand-ink);}
.numlist-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--dur) var(--ease);}
.numlist-item:hover .numlist-thumb img{transform:scale(1.03);}

/* ---------- faq ---------- */
.faq{max-width:860px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-left:1px solid var(--line);border-radius:16px;margin-bottom:12px;overflow:hidden;transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);}
.faq-item.is-open{border-left:3px solid var(--brand-accent);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;background:transparent;border:none;cursor:pointer;text-align:left;
  font-size:18px;font-weight:700;color:var(--text);transition:color var(--dur) var(--ease);
}
.faq-item.is-open .faq-q{color:var(--brand-ink);}
.faq-sign{position:relative;flex:0 0 20px;height:20px;}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;background:var(--brand-ink);border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);}
.faq-sign::before{left:0;top:9px;width:20px;height:2px;}
.faq-sign::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.is-open .faq-sign::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms var(--ease);}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--text-muted);}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--brand-ink-deep),var(--brand-ink));
  color:#fff;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  opacity:.16;pointer-events:none;
}
.cta-band .container{position:relative;z-index:1;}
.cta-inner{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;padding:80px 0 0;}
.cta-inner h2{font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.16;}
.cta-inner p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.72);max-width:520px;}
.cta-side{display:flex;flex-direction:column;align-items:flex-start;gap:14px;}
.cta-side .btn{width:100%;max-width:320px;}
.cta-badges{display:flex;flex-wrap:wrap;gap:12px;padding:36px 0 72px;}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-ink);color:#fff;padding-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:56px;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px;}
.footer-tags{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap;}
.footer-tags span{font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.8);}
.footer-col h3{font-size:14px;font-weight:700;margin-bottom:18px;color:#fff;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);display:inline-block;}
.footer-col a:hover{color:var(--brand-accent);transform:translateX(2px);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.14);padding-top:24px;padding-bottom:32px;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom .fb-brand{color:rgba(255,255,255,.8);}

/* ---------- motion ---------- */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.fade-up.is-in{opacity:1;transform:translateY(0);}

/* ---------- responsive ---------- */
@media (max-width:1439px){
  .container{max-width:1140px;}
}
@media (max-width:1199px){
  .page-head-grid{grid-template-columns:1fr;gap:24px;align-items:start;}
  .page-head-side{justify-content:flex-start;}
  .split-8-4{grid-template-columns:1fr;}
  .meter-grid{grid-template-columns:repeat(2,1fr);}
  .meter-grid .meter-card:nth-child(n){margin-top:0;}
  .meter-card p{min-height:0;}
  .cta-inner{grid-template-columns:1fr;padding-top:64px;}
}
@media (max-width:1023px){
  .nav-links,.pill-countdown,.header-actions .btn{display:none;}
  .menu-toggle{display:flex;}
  .section{padding:72px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .page-head{padding:28px 0 40px;}
  .compare-row{grid-template-columns:1fr;gap:8px;padding:20px 20px;}
  .compare-row .label{font-size:13px;}
  .cta-badges{padding:28px 0 56px;}
}
@media (max-width:559px){
  .page-head h1{font-size:clamp(30px,8.4vw,38px);}
  .numlist-item{grid-template-columns:56px 1fr;gap:16px;padding:18px 0;}
  .numlist-idx{font-size:32px;}
  .numlist-thumb{display:none;}
  .meter-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .header-actions{width:auto;}
  .cta-badges{gap:8px;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  .fade-up{opacity:1;transform:none;transition:opacity .2s linear;}
  .meter-card:hover{transform:none;}
  .numlist-item:hover .numlist-thumb img{transform:none;}
  .btn:hover{transform:none;}
  .nav-link::after{transition:none;}
  .drawer{transition:opacity .2s linear;}
}

/* roulang page: category3 */
:root{
  --brand-ink:#0B2A22;
  --brand-ink-deep:#071913;
  --brand-accent:#D3F24B;
  --brand-accent-2:#FF6A3D;
  --paper:#F7F5EF;
  --surface:#FFFFFF;
  --line:#E5E2D9;
  --text:#12211C;
  --text-muted:#5F6F68;
  --radius-card:22px;
  --radius-sm:14px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(11,42,34,.06),0 12px 28px rgba(11,42,34,.06);
  --shadow-2:0 24px 60px rgba(11,42,34,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
svg{display:block}
:focus-visible{outline:2px solid var(--brand-accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.container-wide{max-width:1280px}
.num{font-variant-numeric:tabular-nums}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,239,0);
  transition:background .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:32px;
  height:32px;
  border-radius:9px;
  background:var(--brand-accent);
  display:grid;
  place-items:center;
}
.brand-mark svg{width:20px;height:20px}
.brand-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--brand-ink);
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  border-radius:999px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  background:var(--brand-accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .18s var(--ease);
}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-ink)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-right{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.countdown{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:12px;
  background:rgba(211,242,75,.12);
  color:var(--brand-ink);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
}
.countdown b{font-weight:800;letter-spacing:.04em}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:40px;
  padding:0 22px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--brand-accent);color:var(--brand-ink)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(11,42,34,.16);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand-ink);transform:translateY(-1px)}
.btn-dark{background:var(--brand-ink);color:#fff}
.btn-dark:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(11,42,34,.2)}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface);
  cursor:pointer;
  padding:0;
  place-items:center;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--brand-ink);
  border-radius:2px;
  margin:3px auto;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.drawer{
  position:fixed;
  inset:0;
  background:var(--surface);
  z-index:80;
  padding:96px 24px 32px;
  display:flex;
  flex-direction:column;
  transform:translateY(-12px);
  opacity:0;
  pointer-events:none;
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
.drawer-close{
  position:absolute;
  top:22px;right:24px;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--surface);
  font-size:22px;
  line-height:1;
  cursor:pointer;
}
.drawer nav{display:flex;flex-direction:column;gap:6px}
.drawer nav a{
  font-size:24px;
  font-weight:800;
  padding:14px 4px;
  border-bottom:1px solid var(--line);
}
.drawer nav a.is-active{color:var(--brand-ink)}
.drawer nav a.is-active::before{
  content:"";
  display:inline-block;
  width:4px;height:18px;
  background:var(--brand-accent);
  margin-right:12px;
  border-radius:2px;
  vertical-align:-2px;
}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:14px}
.drawer-foot .btn{width:100%;height:52px;font-size:16px}
.drawer-status{
  display:flex;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--text-muted);
}

/* ============ 页头 ============ */
.page-head{
  background:linear-gradient(135deg,var(--brand-ink-deep),var(--brand-ink));
  color:#fff;
  position:relative;
  overflow:hidden;
}
.page-head::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
  opacity:.18;
  mix-blend-mode:luminosity;
}
.page-head::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,25,19,.35),rgba(7,25,19,.85));
}
.page-head .container{position:relative;z-index:2}
.crumbs{
  padding-top:28px;
  font-size:13px;
  color:rgba(255,255,255,.66);
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.crumbs a{color:rgba(255,255,255,.82)}
.crumbs a:hover{color:var(--brand-accent)}
.crumbs span.sep{opacity:.5}
.page-head-inner{
  padding:34px 0 60px;
  display:flex;
  align-items:flex-end;
  gap:32px;
  justify-content:space-between;
}
.page-head h1{
  font-size:clamp(30px,4.4vw,48px);
  line-height:1.14;
  font-weight:800;
  letter-spacing:-.02em;
  max-width:760px;
}
.page-head p{
  margin-top:16px;
  max-width:620px;
  font-size:16px;
  line-height:1.8;
  color:rgba(255,255,255,.78);
}
.status-pill{
  flex-shrink:0;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  border-radius:999px;
  background:var(--brand-accent);
  color:var(--brand-ink);
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
}
.status-pill i{
  width:8px;height:8px;border-radius:50%;
  background:var(--brand-ink);
  display:inline-block;
  animation:pulse 2s var(--ease) infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.h2{
  position:relative;
  font-size:clamp(24px,3.2vw,36px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.02em;
  padding-left:20px;
}
.h2::before{
  content:"";
  position:absolute;
  left:0;top:.34em;
  width:4px;height:28px;
  background:var(--brand-accent);
  border-radius:2px;
}
.sub{
  color:var(--text-muted);
  font-size:15px;
  max-width:520px;
  margin-top:12px;
  line-height:1.75;
}
.link-more{
  font-size:15px;
  font-weight:700;
  color:var(--brand-ink);
  border-bottom:2px solid var(--brand-accent);
  padding-bottom:2px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.link-more:hover{color:#000;border-color:var(--brand-ink)}

/* 快捷诊断条 */
.diag-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.diag-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.diag-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-1);border-color:#d8d4c8}
.diag-card .idx{
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--brand-ink);
  background:rgba(211,242,75,.45);
  display:inline-block;
  padding:4px 10px;
  border-radius:999px;
}
.diag-card h3{
  font-size:19px;
  font-weight:700;
  margin:16px 0 8px;
}
.diag-card p{font-size:15px;color:var(--text-muted);line-height:1.8}

/* ============ 主体 8:4 ============ */
.help-layout{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:32px;
  align-items:start;
}
.faq-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.faq-col{display:flex;flex-direction:column;gap:24px}
.faq-group{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 24px;
}
.faq-group h3{
  font-size:17px;
  font-weight:800;
  margin-bottom:6px;
}
.faq-group .group-note{
  font-size:13px;
  color:var(--text-muted);
  margin-bottom:14px;
  letter-spacing:.02em;
}
details.qa{
  border:1px solid var(--line);
  border-radius:16px;
  margin-bottom:12px;
  background:var(--surface);
  transition:background .2s var(--ease),border-color .2s var(--ease);
  overflow:hidden;
}
details.qa:last-child{margin-bottom:0}
details.qa > summary{
  list-style:none;
  cursor:pointer;
  padding:16px 20px;
  font-size:16px;
  font-weight:700;
  line-height:1.6;
  display:flex;
  align-items:flex-start;
  gap:12px;
  transition:color .2s var(--ease);
}
details.qa > summary::-webkit-details-marker{display:none}
details.qa > summary .plus{
  flex-shrink:0;
  width:22px;height:22px;
  margin-left:auto;
  position:relative;
  transition:transform .2s var(--ease);
}
details.qa > summary .plus::before,
details.qa > summary .plus::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  width:14px;height:2px;
  background:var(--brand-ink);
  transform:translate(-50%,-50%);
  border-radius:2px;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
details.qa > summary .plus::after{transform:translate(-50%,-50%) rotate(90deg)}
details.qa[open] > summary .plus::after{transform:translate(-50%,-50%) rotate(0deg);opacity:0}
details.qa[open]{
  background:#fff;
  border-left:3px solid var(--brand-accent);
  border-color:#dcd8cc;
}
details.qa[open] > summary{color:var(--brand-ink)}
details.qa .qa-body{
  padding:0 20px 18px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-muted);
}
details.qa .qa-body strong{color:var(--text);font-weight:700}
details.qa .qa-body ul{margin-top:10px;display:flex;flex-direction:column;gap:6px}
details.qa .qa-body li{
  position:relative;
  padding-left:16px;
}
details.qa .qa-body li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand-accent);
}

/* 联系卡（粘性） */
.contact-card{
  position:sticky;
  top:96px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
}
.contact-card h3{font-size:20px;font-weight:800}
.contact-card .cc-note{
  font-size:14px;
  color:var(--text-muted);
  margin-top:10px;
  line-height:1.8;
}
.field{margin-top:18px}
.field label{
  display:block;
  font-size:13px;
  font-weight:600;
  margin-bottom:8px;
  color:var(--text);
}
.field input,
.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  background:var(--surface);
  padding:13px 14px;
  font-size:15px;
  line-height:1.6;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  min-height:48px;
}
.field textarea{min-height:96px;resize:vertical}
.field input::placeholder,
.field textarea::placeholder{color:rgba(95,111,104,.6)}
.field input:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--brand-accent);
  box-shadow:0 0 0 3px rgba(211,242,75,.28);
}
.field.has-error input,
.field.has-error textarea{border-left:3px solid var(--brand-accent-2)}
.field .err{
  display:none;
  font-size:12px;
  color:var(--brand-accent-2);
  margin-top:6px;
}
.field.has-error .err{display:block}
.contact-card .btn{width:100%;height:48px;margin-top:18px}
.contact-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:18px;
  padding-top:18px;
  border-top:1px solid var(--line);
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
}
.tag-solid{background:var(--brand-accent);color:var(--brand-ink)}
.tag-outline{border:1px solid rgba(11,42,34,.28);color:var(--brand-ink);background:transparent}
.tag-hot{background:var(--brand-accent-2);color:#fff}

/* 流程时间线 */
.flow{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.flow-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-1)}
.flow-item .n{
  font-size:40px;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.4px #c9c5b8;
  font-variant-numeric:tabular-nums;
}
.flow-item:hover .n{color:var(--brand-ink);-webkit-text-stroke:0}
.flow-item h3{font-size:18px;font-weight:700;margin:14px 0 8px}
.flow-item p{font-size:14px;color:var(--text-muted);line-height:1.75}

/* 相关入口横滚 */
.rail-wrap{position:relative}
.rail{
  display:flex;
  gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 4px 18px;
  scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 260px;
  scroll-snap-align:start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-1)}
.rail-card .thumb{
  aspect-ratio:16/10;
  background:var(--brand-ink);
  background-image:linear-gradient(135deg,rgba(11,42,34,.2),rgba(7,25,19,.6));
  overflow:hidden;
}
.rail-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease)}
.rail-card:hover .thumb img{transform:scale(1.03)}
.rail-card .rail-body{padding:16px 18px 20px}
.rail-card h3{font-size:16px;font-weight:700;line-height:1.55}
.rail-card p{font-size:13px;color:var(--text-muted);margin-top:8px;line-height:1.7}

/* CTA */
.cta{
  background:linear-gradient(135deg,var(--brand-ink-deep),var(--brand-ink));
  color:#fff;
  padding:96px 0;
  position:relative;
  overflow:hidden;
}
.cta::before{
  content:"";
  position:absolute;
  right:-160px;top:-160px;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(211,242,75,.14),transparent 70%);
}
.cta-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;
  align-items:center;
}
.cta h2{
  font-size:clamp(24px,3.2vw,38px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.02em;
}
.cta p{
  margin-top:16px;
  color:rgba(255,255,255,.76);
  font-size:16px;
  line-height:1.85;
  max-width:560px;
}
.cta-actions{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  align-items:center;
  justify-content:flex-end;
}
.cta-actions .btn{height:56px;padding:0 32px;font-size:16px}
.cta-badges{
  margin-top:40px;
  padding-top:28px;
  border-top:1px solid rgba(255,255,255,.16);
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
.cta-badges span{
  padding:8px 16px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.06);
  color:rgba(255,255,255,.86);
  font-size:13px;
  font-weight:600;
}

/* 页脚 */
.site-footer{
  background:var(--brand-ink);
  color:#fff;
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.66);
  max-width:320px;
}
.footer-tags{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.footer-tags span{
  padding:6px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.24);
  font-size:12px;
  font-weight:600;
  color:rgba(255,255,255,.8);
}
.footer-col h3{
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.66);
  transition:color .2s var(--ease),transform .2s var(--ease);
  display:inline-block;
}
.footer-col a:hover{color:var(--brand-accent);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:24px 32px 32px;
  display:flex;
  gap:20px;
  justify-content:space-between;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.6);
}
.fb-brand{color:rgba(255,255,255,.82);font-weight:600}

/* 入场动画 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .26s var(--ease),transform .26s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{transition:opacity .2s linear !important;animation:none !important}
  .reveal{opacity:1;transform:none}
  .diag-card:hover,.flow-item:hover,.rail-card:hover{transform:none}
}

/* 响应式 */
@media (max-width:1199px){
  .help-layout{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:24px}
  .contact-card{position:static}
}
@media (max-width:1023px){
  .nav-links,.nav-right .countdown{display:none}
  .nav-toggle{display:grid}
  .nav-right{margin-left:auto}
  .diag-grid{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:1fr 1fr}
  .help-layout{grid-template-columns:1fr}
  .page-head-inner{flex-direction:column;align-items:flex-start;gap:20px}
}
@media (max-width:899px){
  .section{padding:72px 0}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .faq-grid{grid-template-columns:1fr}
  .diag-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .section{padding:56px 0}
  .cta{padding:64px 0}
  .cta-actions .btn{width:100%}
  .site-footer{padding-top:56px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{padding:20px 20px 28px;flex-direction:column;gap:10px}
  .rail-card{flex:0 0 220px}
}
@media (max-width:559px){
  .page-head h1{font-size:clamp(26px,7vw,34px)}
  .h2{font-size:24px}
  .rail-card{flex:0 0 78%}
}