/* roulang page: index */
:root{
  --ink:#241C16;
  --ink-2:#4A3E36;
  --muted:#857567;
  --bg:#FBF5EA;
  --surface:#FFFFFF;
  --surface-2:#F5EDDF;
  --line:#E8DCC8;
  --brand:#E09B22;
  --brand-deep:#B87712;
  --accent:#2B2038;
  --accent-2:#17857F;
  --ok:#2E8B57;
  --warn:#C9701B;
  --err:#B4402F;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 10px 24px -16px rgba(43,32,56,.28);
  --shadow-lg:0 20px 44px -22px rgba(43,32,56,.45);
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",-apple-system,sans-serif;
  --serif:"Noto Serif SC","Songti SC","SimSun","Source Han Serif SC",serif;
  --side-w:236px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:700;letter-spacing:.02em;color:var(--accent);line-height:1.4}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
a{color:var(--accent-2);text-decoration:none;transition:color .18s ease,border-color .18s ease}
a:hover{color:var(--accent)}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font-family:inherit;font-size:inherit}
::selection{background:rgba(224,155,34,.32);color:var(--ink)}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(224,155,34,.35);border-radius:6px}

/* ===== Layout shell ===== */
.app{min-height:100vh}
.sidebar{
  position:fixed;
  left:0;top:0;
  width:var(--side-w);
  height:100vh;
  background:var(--accent);
  color:#F3E9D9;
  display:flex;
  flex-direction:column;
  z-index:80;
  border-right:1px solid rgba(232,220,200,.12);
}
.sidebar-inner{
  display:flex;
  flex-direction:column;
  height:100%;
  padding:26px 18px 20px;
  overflow-y:auto;
  scrollbar-width:thin;
  scrollbar-color:rgba(224,155,34,.4) transparent;
}
.sidebar-inner::-webkit-scrollbar{width:6px}
.sidebar-inner::-webkit-scrollbar-thumb{background:rgba(224,155,34,.36);border-radius:999px}
.brand{display:flex;gap:11px;align-items:flex-start;padding:0 6px 22px;border-bottom:1px solid rgba(232,220,200,.14)}
.brand-mark{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,#2B2038 0 22%,var(--brand) 23% 46%,#2B2038 47% 58%,#17857F 59% 100%);
  box-shadow:0 0 0 1px rgba(224,155,34,.45) inset;
}
.brand-text{line-height:1.3}
.brand-line1{display:block;font-family:var(--serif);font-size:16px;font-weight:700;color:#FBF5EA;letter-spacing:.04em}
.brand-line2{display:block;font-size:12.5px;color:var(--brand);letter-spacing:.16em;margin-top:3px}
.brand-sub{display:block;font-size:12px;color:rgba(243,233,217,.58);margin-top:8px;letter-spacing:.02em;line-height:1.6}
.nav{margin-top:20px;flex:1 1 auto}
.nav-title{font-size:11.5px;letter-spacing:.18em;color:rgba(243,233,217,.4);padding:0 10px;margin-bottom:9px}
.nav a{
  position:relative;
  display:flex;
  align-items:center;
  min-height:44px;
  padding:0 12px 0 22px;
  border-radius:10px;
  color:rgba(243,233,217,.82);
  font-size:14.5px;
  letter-spacing:.02em;
  margin-bottom:4px;
  transition:background .18s ease,color .18s ease;
}
.nav a::before{
  content:"";position:absolute;left:9px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:rgba(224,155,34,.42);
  transition:background .18s ease,transform .18s ease;
}
.nav a:hover{background:rgba(224,155,34,.08);color:#FBF5EA}
.nav a.active{background:rgba(224,155,34,.12);color:#FBF5EA;font-weight:600}
.nav a.active::before{background:var(--brand);transform:translateY(-50%) scale(1.15)}
.nav a:focus-visible{box-shadow:0 0 0 3px rgba(224,155,34,.35)}
.side-foot{margin-top:22px;padding-top:18px;border-top:1px solid rgba(232,220,200,.14)}
.side-foot .btn{width:100%;justify-content:center}
.side-contact{margin-top:16px;font-size:12.5px;line-height:1.9;color:rgba(243,233,217,.62)}
.side-contact span{display:block}
.side-copy{margin-top:14px;font-size:11px;color:rgba(243,233,217,.34);line-height:1.7}

.shell{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column}
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:60px;z-index:60;
  background:var(--accent);
  align-items:center;
  justify-content:space-between;
  padding:0 14px;
  border-bottom:1px solid rgba(232,220,200,.14);
}
.burger{
  width:42px;height:42px;border-radius:10px;
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  background:rgba(224,155,34,.1);
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:#F3E9D9;transition:transform .2s ease,opacity .2s ease}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.topbar-brand{font-family:var(--serif);font-size:15px;font-weight:700;color:#FBF5EA;letter-spacing:.03em}
.scrim{display:none}

/* ===== Container & sections ===== */
.wrap{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
.section{padding:96px 0}
.section + .section{border-top:1px solid var(--line)}
.section-tight{padding:72px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--brand-deep);
  background:rgba(224,155,34,.12);
  border:1px solid rgba(224,155,34,.32);
  border-radius:999px;padding:5px 14px;margin-bottom:20px;
  font-weight:600;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.h2{font-size:30px;line-height:1.42}
.section-lead{color:var(--ink-2);max-width:640px;margin-top:14px}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.link-more{font-size:14px;color:var(--accent-2);border-bottom:1px solid rgba(23,133,127,.35);padding-bottom:2px}
.link-more:hover{color:var(--accent);border-color:var(--accent)}

/* ===== Buttons ===== */
.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:600;letter-spacing:.03em;
  background:var(--brand);color:#241C16;
  border:1px solid transparent;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  box-shadow:0 8px 18px -14px rgba(224,155,34,.9);
  white-space:nowrap;
}
.btn:hover{background:var(--brand-deep);color:#FFFFFF;transform:translateY(-1px);box-shadow:0 14px 26px -16px rgba(184,119,18,.85)}
.btn:active{transform:translateY(0);box-shadow:none}
.btn:disabled,.btn[disabled]{opacity:.5;pointer-events:none}
.btn-ghost{background:transparent;color:var(--accent);border-color:var(--accent);box-shadow:none}
.btn-ghost:hover{background:var(--accent);color:#FBF5EA;border-color:var(--accent);transform:translateY(-1px);box-shadow:0 14px 26px -18px rgba(43,32,56,.7)}
.btn-outline-light{background:transparent;color:#FBF5EA;border-color:rgba(251,245,234,.55);box-shadow:none}
.btn-outline-light:hover{background:#FBF5EA;color:var(--accent);border-color:#FBF5EA;transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 18px;font-size:13.5px}
.btn-lg{height:52px;padding:0 32px;font-size:15.5px}
.btn-block{width:100%}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  min-height:560px;display:flex;align-items:center;
  background:#2B2038 url('/assets/images/backpic/back-1.webp') center 32%/cover no-repeat;
  color:#FBF5EA;
  border-bottom:1px solid rgba(232,220,200,.2);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(155deg,rgba(43,32,56,.55) 0%,rgba(43,32,56,.78) 42%,rgba(43,32,56,.94) 100%);
}
.hero::after{
  content:"";position:absolute;right:-12%;top:-26%;width:62%;height:92%;
  background:radial-gradient(circle,rgba(224,155,34,.2) 0%,rgba(224,155,34,0) 66%);
  pointer-events:none;
}
.hero .wrap{position:relative;z-index:2;padding-top:84px;padding-bottom:76px}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:6px 16px;border-radius:999px;
  background:rgba(224,155,34,.16);
  border:1px solid rgba(224,155,34,.42);
  font-size:13px;letter-spacing:.08em;color:#F2D69B;
  margin-bottom:24px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:block}
.hero h1{
  font-size:clamp(32px,3.4vw,46px);
  line-height:1.28;
  color:#FBF5EA;
  max-width:16em;
  letter-spacing:.015em;
}
.hero-sub{
  margin-top:20px;max-width:34em;
  font-size:17px;line-height:1.8;color:rgba(251,245,234,.84);
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-note{margin-top:16px;font-size:13px;color:rgba(251,245,234,.6);letter-spacing:.02em}
.hero-metrics{
  display:flex;gap:40px;flex-wrap:wrap;
  margin-top:48px;padding-top:26px;
  border-top:1px solid rgba(232,220,200,.22);
}
.hero-metric strong{
  display:block;font-family:var(--serif);font-size:28px;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-metric span{display:block;font-size:13px;color:rgba(251,245,234,.68);margin-top:4px;letter-spacing:.04em}

/* ===== Pain points ===== */
.split{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.split-left{position:sticky;top:40px}
.num-list{border-top:1px solid var(--line)}
.num-item{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:26px 0;border-bottom:1px solid var(--line)}
.num-item .no{
  font-family:var(--serif);font-size:16px;font-weight:700;color:var(--brand);
  letter-spacing:.06em;font-variant-numeric:tabular-nums;padding-top:3px;
}
.num-item h3{font-size:22px;margin-bottom:8px;line-height:1.5}
.num-item p{color:var(--ink-2);font-size:15.5px;margin:0}

/* ===== Zigzag solution ===== */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.zig + .zig{margin-top:72px}
.zig.reverse .zig-media{order:2}
.zig-media{position:relative}
.zig-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow)}
.zig-body h3{font-size:26px;line-height:1.45;margin-bottom:16px}
.zig-body p{color:var(--ink-2);font-size:16px}
.tick-list{margin-top:20px;display:grid;gap:10px}
.tick-list li{position:relative;padding-left:28px;font-size:15.5px;color:var(--ink-2)}
.tick-list li::before{
  content:"";position:absolute;left:0;top:.55em;width:14px;height:8px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);border-radius:1px;
}

/* ===== Stats band ===== */
.band-dark{
  position:relative;overflow:hidden;
  background:var(--accent);color:#F3E9D9;
  border-radius:0;
}
.band-dark::after{
  content:"";position:absolute;left:-8%;bottom:-60%;width:52%;height:150%;
  background:radial-gradient(circle,rgba(224,155,34,.1) 0%,rgba(224,155,34,0) 62%);
  pointer-events:none;
}
.band-dark .wrap{position:relative;z-index:2}
.band-dark h2{color:#FBF5EA}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:44px}
.stat{padding:8px 28px;border-left:1px solid rgba(232,220,200,.2)}
.stat:first-child{border-left:0;padding-left:0}
.stat strong{
  display:block;font-family:var(--serif);font-size:44px;line-height:1.15;
  color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.stat span{display:block;margin-top:8px;font-size:13.5px;color:rgba(243,233,217,.7);letter-spacing:.03em}

/* ===== Testimonials ===== */
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.quote-card{
  position:relative;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px 26px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease;
}
.quote-card:nth-child(2){margin-top:40px}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.quote-card::before{
  content:"”";position:absolute;left:20px;top:2px;
  font-family:var(--serif);font-size:56px;color:rgba(224,155,34,.35);line-height:1;
}
.quote-card blockquote{margin:0 0 22px;font-size:16.5px;color:var(--ink);line-height:1.8;padding-top:20px}
.quote-who{display:flex;align-items:center;gap:12px}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface-2);border:1px solid var(--line);
  font-family:var(--serif);font-size:15px;color:var(--accent-2);font-weight:700;
}
.quote-who b{display:block;font-size:14.5px;font-weight:600;color:var(--ink)}
.quote-who em{display:block;font-style:normal;font-size:12.5px;color:var(--muted);margin-top:2px}

/* ===== News / CMS ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
  position:relative;
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(224,155,34,.45)}
.news-card--lead{grid-column:span 2}
.news-thumb{position:relative;background:var(--surface-2);overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-card--lead .news-thumb img{aspect-ratio:16/9}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.badge{
  display:inline-flex;align-items:center;
  font-size:12px;letter-spacing:.04em;
  padding:3px 11px;border-radius:999px;font-weight:600;
}
.badge-gold{background:rgba(224,155,34,.16);color:var(--brand-deep);border:1px solid rgba(224,155,34,.34)}
.badge-teal{background:rgba(23,133,127,.13);color:var(--accent-2);border:1px solid rgba(23,133,127,.3)}
.news-time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-card h3{
  font-size:18.5px;line-height:1.55;margin-bottom:10px;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s ease;
}
.news-card:hover h3{color:var(--accent-2)}
.news-card--lead h3{font-size:22px}
.news-excerpt{
  font-size:14px;line-height:1.75;color:var(--muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-link{position:absolute;inset:0;z-index:3;font-size:0;text-indent:-9999px}
.news-link:focus-visible{box-shadow:0 0 0 3px rgba(224,155,34,.45) inset;border-radius:var(--radius)}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);
  color:var(--muted);font-size:15px;padding:36px 20px;
}
.empty-state svg{width:38px;height:38px;stroke:var(--brand);fill:none;stroke-width:1.6}

/* ===== FAQ ===== */
.faq{display:grid;gap:12px;max-width:920px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--surface);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:rgba(224,155,34,.5);box-shadow:var(--shadow)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;
  font-size:17px;font-weight:600;color:var(--accent);font-family:var(--serif);
  min-height:56px;
}
.faq-q:hover{color:var(--brand-deep)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--brand);position:relative;
  transition:transform .22s ease,background .22s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-deep);
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:1.6px}
.faq-icon::after{width:1.6px;height:11px;transition:opacity .22s ease}
.faq-item.open .faq-icon{transform:rotate(180deg);background:rgba(224,155,34,.16)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease-out}
.faq-a-inner{padding:0 22px 22px;color:var(--ink-2);font-size:15.5px;line-height:1.85}
.faq-item.open .faq-a{max-height:420px;background:var(--surface-2)}

/* ===== CTA ===== */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--accent);color:#F3E9D9;
  border-radius:20px;padding:56px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band::after{
  content:"";position:absolute;right:-6%;top:-70%;width:46%;height:200%;
  background:radial-gradient(circle,rgba(224,155,34,.14) 0%,rgba(224,155,34,0) 62%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{color:#FBF5EA;font-size:28px;line-height:1.45}
.cta-band p{margin-top:12px;color:rgba(243,233,217,.76);font-size:15.5px}
.cta-band .btn{flex:0 0 auto}

/* ===== Footer ===== */
.footer{
  margin-top:auto;
  background:var(--accent);color:rgba(243,233,217,.76);
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer h4{font-size:14px;color:#FBF5EA;letter-spacing:.1em;margin-bottom:18px;font-family:var(--sans);font-weight:600}
.footer-brand .brand{margin:0 0 16px;padding:0;border:0}
.footer-brand p{font-size:13.5px;line-height:1.9;color:rgba(243,233,217,.62);max-width:30em}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(243,233,217,.72)}
.footer-links a:hover{color:var(--brand)}
.footer-contact li{margin-bottom:12px;font-size:13.5px;line-height:1.7}
.footer-contact b{display:block;color:rgba(243,233,217,.45);font-size:12px;font-weight:500;letter-spacing:.06em;margin-bottom:2px}
.footer-bottom{
  margin-top:52px;padding:22px 0 26px;
  border-top:1px solid rgba(232,220,200,.16);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(243,233,217,.44);
}

/* ===== Responsive ===== */
@media (max-width:1279px){
  :root{--side-w:220px}
  .wrap{padding:0 24px}
  .stat{padding:8px 20px}
  .stat strong{font-size:38px}
}
@media (max-width:1023px){
  .sidebar{
    transform:translateX(-100%);
    transition:transform .24s ease-out;
    width:84vw;max-width:320px;
    box-shadow:0 0 60px rgba(20,14,26,.5);
  }
  .sidebar.open{transform:translateX(0)}
  .scrim{
    display:block;position:fixed;inset:0;z-index:70;
    background:rgba(20,14,26,.55);
    opacity:0;pointer-events:none;transition:opacity .24s ease;
  }
  .scrim.on{opacity:1;pointer-events:auto}
  .shell{margin-left:0;padding-top:60px}
  .topbar{display:flex}
  .split{grid-template-columns:1fr;gap:28px}
  .split-left{position:static}
  .zig{grid-template-columns:1fr;gap:28px}
  .zig.reverse .zig-media{order:0}
  .zig + .zig{margin-top:52px}
  .stats{grid-template-columns:repeat(2,1fr);row-gap:32px}
  .stat{padding:0 0 0 24px}
  .stat:nth-child(odd){border-left:0;padding-left:0}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-card--lead{grid-column:span 2}
  .quote-grid{grid-template-columns:1fr}
  .quote-card:nth-child(2){margin-top:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:40px;flex-direction:column;align-items:flex-start;gap:24px}
  .cta-band .btn{width:100%}
  .section{padding:72px 0}
  .hero{min-height:480px}
  .hero h1{font-size:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .section{padding:52px 0}
  .section-tight{padding:44px 0}
  .h2{font-size:24px}
  .hero .wrap{padding-top:56px;padding-bottom:52px}
  .hero h1{font-size:28px;line-height:1.32}
  .hero-sub{font-size:15.5px}
  .hero-actions{flex-direction:column;align-items:stretch;gap:12px}
  .hero-actions .btn{width:100%}
  .hero-metrics{gap:22px;margin-top:36px}
  .hero-metric strong{font-size:23px}
  .num-item{grid-template-columns:44px 1fr;gap:14px}
  .num-item h3{font-size:19px}
  .news-grid{grid-template-columns:1fr}
  .news-card--lead{grid-column:span 1}
  .news-card--lead h3{font-size:19px}
  .stats{grid-template-columns:1fr 1fr;gap:26px 0}
  .stat strong{font-size:32px}
  .stat span{font-size:12.5px}
  .cta-band{padding:30px 22px;border-radius:16px}
  .cta-band h2{font-size:22px}
  .faq-q{font-size:16px;padding:16px 16px}
  .faq-a-inner{padding:0 16px 18px;font-size:15px}
  .footer{padding:48px 0 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px;margin-top:36px}
  .zig-body h3{font-size:22px}
}
@media (max-width:479px){
  .hero h1{font-size:26px}
  .hero-metric strong{font-size:21px}
  .stat strong{font-size:28px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .news-card:hover,.quote-card:hover,.btn:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --ink:#241C16;
  --ink-2:#4A3E36;
  --muted:#857567;
  --bg:#FBF5EA;
  --surface:#FFFFFF;
  --surface-2:#F5EDDF;
  --line:#E8DCC8;
  --brand:#E09B22;
  --brand-deep:#B87712;
  --accent:#2B2038;
  --accent-2:#17857F;
  --ok:#2E8B57;
  --warn:#C9701B;
  --err:#B4402F;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --shadow:0 10px 24px -16px rgba(43,32,56,.28);
  --shadow-lift:0 18px 36px -20px rgba(43,32,56,.42);
  --side:236px;
  --serif:"Noto Serif SC","Songti SC",Songti,SimSun,serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--accent-2);text-decoration:none;text-underline-offset:3px;transition:color .2s ease}
a:hover{color:var(--accent);text-decoration:underline}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:700;letter-spacing:.02em;color:var(--accent);line-height:1.3}
p{margin:0}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(224,155,34,.45);border-radius:8px}

/* ============ 布局容器 ============ */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.main{margin-left:var(--side)}
.section{padding:96px 0;border-top:1px solid var(--line)}
.section:first-of-type{border-top:0}
.section-alt{background:var(--surface-2)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-title{font-size:30px;line-height:1.4}
.sec-lead{margin-top:14px;color:var(--ink-2);font-size:16px}

/* ============ 侧栏 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side);
  background:var(--accent);color:#EFE6D8;
  display:flex;flex-direction:column;
  padding:26px 20px 22px;
  overflow-y:auto;
  z-index:60;
  border-right:1px solid rgba(232,220,200,.14);
  scrollbar-width:thin;
  scrollbar-color:rgba(224,155,34,.4) transparent;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(224,155,34,.4);border-radius:99px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:#FBF5EA}
.brand:hover{text-decoration:none;color:#FBF5EA}
.brand-mark{
  width:30px;height:30px;flex:0 0 30px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%, #FBF5EA 0 18%, var(--brand) 19% 58%, #8A5F12 59% 100%);
  box-shadow:0 0 0 1px rgba(224,155,34,.55), 0 0 14px rgba(224,155,34,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-line1{font-family:var(--serif);font-size:17px;font-weight:700;letter-spacing:.04em;color:#FBF5EA}
.brand-line2{font-family:var(--serif);font-size:12px;letter-spacing:.22em;color:var(--brand)}
.side-sub{margin-top:12px;font-size:12.5px;line-height:1.7;color:rgba(239,230,216,.62)}
.side-nav{margin-top:26px;display:flex;flex-direction:column;gap:4px}
.side-link{
  position:relative;display:flex;align-items:center;
  height:44px;padding:0 12px 0 18px;border-radius:10px;
  color:rgba(239,230,216,.82);font-size:15px;letter-spacing:.01em;
  text-decoration:none;
  transition:background .2s ease,color .2s ease;
}
.side-link::before{
  content:"";position:absolute;left:6px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:rgba(224,155,34,.35);
  transition:background .2s ease,box-shadow .2s ease;
}
.side-link:hover{background:rgba(224,155,34,.08);color:#FBF5EA;text-decoration:none}
.side-link.is-active{background:rgba(224,155,34,.12);color:#FBF5EA;font-weight:600}
.side-link.is-active::before{background:var(--brand);box-shadow:0 0 0 3px rgba(224,155,34,.18)}
.side-foot{margin-top:auto;padding-top:26px}
.side-contact{margin-top:16px;font-size:12.5px;line-height:1.9;color:rgba(239,230,216,.6)}
.side-contact b{color:rgba(239,230,216,.85);font-weight:600;display:block;font-size:11.5px;letter-spacing:.08em}
.side-copy{margin-top:14px;font-size:11px;color:rgba(239,230,216,.38);letter-spacing:.02em}
.side-close{display:none}

/* ============ 顶部栏 / 抽屉 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:50;
  align-items:center;gap:12px;padding:0 16px;
  background:var(--accent);border-bottom:1px solid rgba(232,220,200,.14);
}
.burger{
  width:40px;height:40px;border:1px solid rgba(232,220,200,.24);border-radius:10px;
  background:transparent;display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;
  cursor:pointer;padding:0;transition:background .2s ease;
}
.burger span{display:block;width:16px;height:2px;background:#EFE6D8;border-radius:2px}
.burger:hover{background:rgba(224,155,34,.16)}
.topbar-brand{font-family:var(--serif);font-size:15px;color:#FBF5EA;letter-spacing:.04em;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.overlay{position:fixed;inset:0;background:rgba(36,28,22,.55);z-index:55;opacity:0;transition:opacity .2s ease}
.overlay.is-open{opacity:1}

/* ============ 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:600;letter-spacing:.02em;line-height:1;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand);color:var(--ink)}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lift)}
.btn-primary:active{transform:none;box-shadow:var(--shadow)}
.btn-ghost{background:transparent;border-color:var(--accent);color:var(--accent)}
.btn-ghost:hover{background:var(--accent);color:#FBF5EA;transform:translateY(-1px)}
.btn-light{background:transparent;border-color:rgba(251,245,234,.5);color:#FBF5EA}
.btn-light:hover{background:#FBF5EA;color:var(--accent);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible{box-shadow:0 0 0 3px rgba(224,155,34,.35);outline:none}
.btn[disabled]{opacity:.5;pointer-events:none}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.03em;line-height:1;
  background:rgba(224,155,34,.16);color:var(--brand-deep);
}
.tag-teal{background:rgba(23,133,127,.12);color:var(--accent-2)}
.tag-dark{background:rgba(251,245,234,.14);color:var(--brand)}
.link-more{font-size:14.5px;font-weight:600;color:var(--accent-2);text-decoration:none;border-bottom:1px solid rgba(23,133,127,.35);padding-bottom:2px}
.link-more:hover{color:var(--accent);border-bottom-color:var(--accent);text-decoration:none}

/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(251,245,234,.7);margin-bottom:22px}
.crumb a{color:rgba(251,245,234,.82);text-decoration:none}
.crumb a:hover{color:var(--brand);text-decoration:none}
.crumb i{font-style:normal;color:rgba(251,245,234,.4)}
.crumb span{color:var(--brand)}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;color:#FBF5EA;
  background-image:
    linear-gradient(180deg, rgba(43,32,56,.55) 0%, rgba(43,32,56,.78) 62%, rgba(43,32,56,.92) 100%),
    radial-gradient(circle at 84% 12%, rgba(224,155,34,.28), transparent 46%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover,cover,cover;
  background-position:center,center,center 30%;
  background-repeat:no-repeat;
  padding:74px 0 60px;
}
.hero-inner{position:relative;z-index:2;display:flex;flex-direction:column;align-items:flex-start}
.hero .tag{margin-bottom:20px;background:rgba(224,155,34,.22);color:#F7D08A}
.hero h1{
  color:#FBF5EA;font-size:clamp(32px,3.4vw,46px);line-height:1.25;max-width:840px;
  text-shadow:0 2px 18px rgba(20,14,26,.5);
}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:rgba(251,245,234,.86);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-note{margin-top:16px;font-size:13px;color:rgba(251,245,234,.6);letter-spacing:.02em}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:0;margin-top:46px;width:100%;max-width:760px;
  border-top:1px solid rgba(232,220,200,.22);padding-top:22px;
}
.hero-stats li{flex:1 1 0;min-width:150px;padding-right:20px;border-right:1px solid rgba(232,220,200,.16)}
.hero-stats li:last-child{border-right:0;padding-right:0}
.hero-stats b{display:block;font-family:var(--serif);font-size:26px;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.hero-stats span{display:block;font-size:13px;color:rgba(251,245,234,.66);margin-top:4px}

/* ============ 锚点目录 + 工序 ============ */
.toc-layout{display:grid;grid-template-columns:minmax(180px,232px) minmax(0,1fr);gap:52px;align-items:start}
.toc{position:sticky;top:36px}
.toc-title{font-size:13px;letter-spacing:.14em;color:var(--muted);margin-bottom:14px}
.toc-list{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line);padding-left:0}
.toc-link{
  position:relative;display:block;padding:9px 0 9px 18px;
  font-size:14.5px;color:var(--ink-2);text-decoration:none;line-height:1.5;
  transition:color .2s ease;
}
.toc-link::before{
  content:"";position:absolute;left:-1px;top:50%;transform:translateY(-50%);
  width:2px;height:0;background:var(--brand);transition:height .2s ease;
}
.toc-link:hover{color:var(--accent);text-decoration:none}
.toc-link.is-active{color:var(--accent);font-weight:600}
.toc-link.is-active::before{height:20px}
.toc-tip{margin-top:20px;font-size:13px;color:var(--muted);line-height:1.75}

.figure{margin:0 0 38px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);background:var(--surface-2)}
.figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.figure figcaption{padding:10px 16px;font-size:13px;color:var(--muted);background:var(--surface);border-top:1px solid var(--line)}

.step-list{border-top:1px solid var(--line)}
.step{display:grid;grid-template-columns:64px minmax(0,1fr);gap:20px;padding:30px 0;border-bottom:1px solid var(--line)}
.step-no{
  font-family:var(--serif);font-size:22px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.4;letter-spacing:.02em;
}
.step h3{font-size:22px;line-height:1.5;margin-bottom:10px}
.step p{color:var(--ink-2);font-size:15.5px;line-height:1.85}
.step-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;align-items:center}
.step-meta .tag{font-size:12px;height:24px}

/* ============ 深色数据带 ============ */
.band{background:var(--accent);color:#FBF5EA;padding:80px 0;position:relative;overflow:hidden}
.band::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle, rgba(224,155,34,.18), transparent 68%);pointer-events:none;
}
.band .sec-title{color:#FBF5EA}
.band .sec-lead{color:rgba(251,245,234,.72)}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:40px;position:relative;z-index:2}
.stats li{padding:6px 26px 6px 0;border-right:1px solid rgba(224,155,34,.28)}
.stats li:last-child{border-right:0}
.stats b{
  display:block;font-family:var(--serif);font-size:clamp(34px,4vw,50px);line-height:1.1;
  color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.stats span{display:block;margin-top:8px;font-size:13.5px;color:rgba(251,245,234,.7);line-height:1.6}

/* ============ 题材卡 ============ */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift);border-color:rgba(224,155,34,.5)}
.card h3{font-size:20px;margin-bottom:10px;line-height:1.5}
.card p{font-size:15px;color:var(--ink-2);line-height:1.85}
.card-top{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.card-thumb{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);margin-bottom:16px}
.card-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.card:hover .card-thumb img{transform:scale(1.02)}

/* ============ FAQ ============ */
.faq{max-width:860px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:18px 0;background:transparent;border:0;cursor:pointer;text-align:left;
  font-family:var(--sans);font-size:17px;font-weight:600;color:var(--accent);line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--accent-2)}
.faq-q:focus-visible{box-shadow:0 0 0 3px rgba(224,155,34,.35);border-radius:10px;outline:none}
.faq-icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--brand);position:relative;
  transition:transform .22s ease,background .22s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-deep);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:1.6px}
.faq-icon::after{width:1.6px;height:11px;transition:opacity .22s ease}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:rgba(224,155,34,.14)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.faq-a-inner{
  background:var(--surface-2);border-radius:var(--r-md);
  padding:16px 20px;margin-bottom:18px;
  font-size:15.5px;color:var(--ink-2);line-height:1.85;
}

/* ============ CTA + 表单 ============ */
.cta-block{
  background:var(--accent);color:#FBF5EA;border-radius:20px;
  padding:56px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:48px;align-items:start;
  position:relative;overflow:hidden;
}
.cta-block::after{
  content:"";position:absolute;left:-120px;bottom:-160px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle, rgba(224,155,34,.16), transparent 70%);pointer-events:none;
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{color:#FBF5EA;font-size:30px;line-height:1.4}
.cta-copy p{margin-top:16px;color:rgba(251,245,234,.78);font-size:15.5px;line-height:1.85;max-width:440px}
.cta-list{margin-top:24px;display:flex;flex-direction:column;gap:10px}
.cta-list li{position:relative;padding-left:22px;font-size:14.5px;color:rgba(251,245,234,.8);line-height:1.7}
.cta-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:10px;height:10px;border-radius:50%;
  border:1.5px solid var(--brand);
}
.cta-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px}

.form-card{background:var(--surface);border-radius:var(--r-lg);padding:26px;position:relative;z-index:2;box-shadow:var(--shadow-lift)}
.form-card h3{font-size:19px;margin-bottom:6px;color:var(--accent)}
.form-card .form-sub{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;min-height:46px;padding:11px 14px;
  font-family:var(--sans);font-size:15px;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:92px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent-2);box-shadow:0 0 0 3px rgba(23,133,127,.16);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--err);box-shadow:0 0 0 3px rgba(180,64,47,.12)}
.field-error{display:none;margin-top:6px;font-size:13px;color:var(--err)}
.field.has-error .field-error{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:4px 0 18px}
.check-row input{width:18px;height:18px;min-height:0;margin-top:4px;flex:0 0 18px;accent-color:var(--accent-2)}
.check-row label{font-size:13.5px;color:var(--ink-2);line-height:1.7;margin:0;font-weight:400}
.check-row a{color:var(--accent-2)}
.form-note{margin-top:12px;font-size:12.5px;color:var(--muted);line-height:1.7}
.form-ok{
  display:none;margin-top:14px;padding:12px 16px;border-radius:var(--r-md);
  background:rgba(46,139,87,.1);border:1px solid rgba(46,139,87,.35);
  color:var(--ok);font-size:14px;line-height:1.7;
}
.form-ok.is-show{display:block}

/* ============ 页脚 ============ */
.footer{background:var(--accent);color:#E9DFD0;margin-left:var(--side);padding:64px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(232,220,200,.14);
}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(239,230,216,.66);max-width:320px}
.footer h4{font-family:var(--serif);font-size:15px;color:#FBF5EA;margin-bottom:16px;letter-spacing:.06em}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(239,230,216,.72);text-decoration:none;transition:color .2s ease}
.footer-links a:hover{color:var(--brand);text-decoration:none}
.footer-contact li{font-size:13.5px;color:rgba(239,230,216,.66);line-height:1.9;margin-bottom:8px}
.footer-contact b{display:block;font-size:11.5px;letter-spacing:.1em;color:rgba(239,230,216,.4);font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:22px 0 28px;font-size:12.5px;color:rgba(239,230,216,.46);
}

/* ============ 响应式 ============ */
@media (min-width:1024px) and (max-width:1279px){
  :root{--side:220px}
  .wrap{padding:0 26px}
  .toc-layout{gap:36px}
}
@media (max-width:1023px){
  .sidebar{
    transform:translateX(-100%);transition:transform .24s ease-out;
    width:84vw;max-width:320px;padding:20px 18px 22px;
  }
  .sidebar.is-open{transform:none;box-shadow:0 0 60px rgba(20,14,26,.5)}
  .sidebar .side-nav{margin-top:20px}
  .side-close{
    display:inline-flex;align-items:center;justify-content:center;
    position:absolute;top:16px;right:14px;width:34px;height:34px;
    border-radius:10px;border:1px solid rgba(232,220,200,.22);background:transparent;
    color:#EFE6D8;font-size:18px;line-height:1;cursor:pointer;
  }
  .side-close:hover{background:rgba(224,155,34,.16)}
  .topbar{display:flex}
  .main{margin-left:0;padding-top:60px}
  .footer{margin-left:0}
  .section{padding:72px 0}
  .hero{padding:44px 0 48px}
  .hero-stats li{min-width:45%}
  .toc-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .toc{position:static;top:auto}
  .toc-list{flex-direction:row;overflow-x:auto;border-left:0;border-bottom:1px solid var(--line);padding-bottom:6px;gap:6px}
  .toc-link{padding:8px 14px;white-space:nowrap;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:13.5px}
  .toc-link::before{display:none}
  .toc-link.is-active{background:rgba(224,155,34,.16);border-color:rgba(224,155,34,.5);color:var(--brand-deep)}
  .toc-tip{display:none}
  .cta-block{grid-template-columns:minmax(0,1fr);gap:32px;padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .band{padding:64px 0}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 0}
  .stats li{padding-right:20px}
  .stats li:nth-child(2){border-right:0}
}
@media (max-width:767px){
  .wrap{padding:0 18px}
  .section{padding:52px 0}
  body{font-size:16px}
  .hero h1{font-size:clamp(28px,7vw,34px)}
  .hero-sub{font-size:15.5px}
  .hero-actions{width:100%;flex-direction:column}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:16px 0;margin-top:34px}
  .hero-stats li{min-width:100%;border-right:0;padding-right:0;padding-bottom:12px;border-bottom:1px solid rgba(232,220,200,.14)}
  .hero-stats li:last-child{border-bottom:0;padding-bottom:0}
  .sec-title{font-size:24px}
  .step{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:24px 0}
  .step h3{font-size:19px}
  .step-no{font-size:18px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .cta-block{padding:28px 20px;border-radius:16px}
  .cta-copy h2{font-size:23px}
  .form-card{padding:20px}
  .faq-q{font-size:16px;padding:16px 0;gap:12px}
  .footer{padding-top:48px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .card:hover,.btn:hover{transform:none}
}

/* roulang page: article */
:root{
  --ink:#241C16;
  --ink-2:#4A3E36;
  --muted:#857567;
  --bg:#FBF5EA;
  --surface:#FFFFFF;
  --surface-2:#F5EDDF;
  --line:#E8DCC8;
  --brand:#E09B22;
  --brand-deep:#B87712;
  --accent:#2B2038;
  --accent-2:#17857F;
  --success:#2E8B57;
  --warn:#C9701B;
  --danger:#B4402F;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 10px 24px -16px rgba(43,32,56,.28);
  --shadow-hover:0 20px 42px -22px rgba(43,32,56,.42);
  --sidebar:236px;
  --topbar:60px;
  --serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--accent-2);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding-left:1.4em}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(224,155,34,.45);border-radius:8px}
::selection{background:rgba(224,155,34,.3)}
.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* 左侧导航 */
.sidebar{
  position:fixed;
  inset:0 auto 0 0;
  width:var(--sidebar);
  background:var(--accent);
  color:#F7EFE2;
  z-index:90;
  overflow-y:auto;
  border-right:1px solid rgba(255,255,255,.08);
  scrollbar-width:thin;
  scrollbar-color:rgba(224,155,34,.4) transparent;
}
.sidebar-inner{
  min-height:100%;
  display:flex;
  flex-direction:column;
  padding:26px 18px 22px;
}
.brand{
  display:flex;
  align-items:center;
  gap:11px;
  color:#F7EFE2;
  text-decoration:none;
}
.brand:hover{color:#F7EFE2}
.brand-mark{
  width:34px;
  height:34px;
  flex:none;
  border-radius:50%;
  background:radial-gradient(circle at 50% 50%,#241C16 0 17%,#E09B22 18% 53%,#F7E6C2 54% 100%);
  box-shadow:inset 0 0 0 1px rgba(224,155,34,.6),0 0 22px rgba(224,155,34,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-line1{font-size:15px;font-weight:700;letter-spacing:.04em;color:#FBF1DE}
.brand-line2{font-size:12px;letter-spacing:.16em;color:var(--brand);margin-top:2px}
.side-desc{
  margin-top:14px;
  font-size:12.5px;
  line-height:1.75;
  color:rgba(247,239,226,.58);
  letter-spacing:.02em;
}
.side-nav{
  margin-top:26px;
  display:grid;
  gap:4px;
  list-style:none;
  padding:0;
}
.side-nav a{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:10px 12px;
  border-radius:10px;
  color:rgba(247,239,226,.74);
  font-size:15px;
  line-height:1.4;
  transition:background .2s ease,color .2s ease;
}
.side-nav a::before{
  content:"";
  width:6px;
  height:6px;
  flex:none;
  border-radius:50%;
  background:rgba(224,155,34,.32);
  transition:background .2s ease,box-shadow .2s ease;
}
.side-nav a:hover{background:rgba(224,155,34,.08);color:#FFFFFF}
.side-nav a.is-active{
  background:rgba(224,155,34,.14);
  color:#FFFFFF;
  font-weight:600;
}
.side-nav a.is-active::before{
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(224,155,34,.16);
}
.side-foot{margin-top:auto;padding-top:28px}
.side-foot .btn{width:100%}
.side-contact{
  margin-top:18px;
  display:grid;
  gap:8px;
  font-size:12.5px;
  line-height:1.7;
  color:rgba(247,239,226,.58);
}
.side-contact b{display:block;color:#F7EFE2;font-weight:600;font-size:11.5px;letter-spacing:.1em}
.side-copy{
  margin-top:14px;
  font-size:11.5px;
  line-height:1.7;
  color:rgba(247,239,226,.36);
}

/* 移动顶部栏 */
.topbar{
  display:none;
  position:fixed;
  top:0;
  left:0;
  right:0;
  height:var(--topbar);
  align-items:center;
  gap:12px;
  padding:0 16px;
  background:var(--accent);
  color:#F7EFE2;
  border-bottom:1px solid rgba(255,255,255,.08);
  z-index:70;
}
.burger{
  width:40px;
  height:40px;
  flex:none;
  border:0;
  border-radius:10px;
  background:transparent;
  display:grid;
  align-content:center;
  justify-items:center;
  gap:4px;
  padding:8px;
  cursor:pointer;
}
.burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--brand)}
.topbar-brand{
  flex:1;
  min-width:0;
  font-family:var(--serif);
  font-weight:700;
  font-size:15px;
  letter-spacing:.02em;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.overlay{
  position:fixed;
  inset:0;
  background:rgba(20,14,26,.62);
  z-index:80;
  opacity:0;
  visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;
}
.overlay.is-open{opacity:1;visibility:visible}

/* 主区域 */
.main{margin-left:var(--sidebar);min-height:100vh}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border:1px solid transparent;
  border-radius:999px;
  background:var(--brand);
  color:#241C16;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  line-height:1;
  cursor:pointer;
  text-decoration:none;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn:hover{
  background:var(--brand-deep);
  color:#FFFFFF;
  transform:translateY(-1px);
  box-shadow:0 16px 30px -18px rgba(184,119,18,.85);
}
.btn:active{transform:none;box-shadow:none}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}
.btn-sm{height:36px;padding:0 14px;font-size:13px}
.btn-outline{
  background:transparent;
  border-color:rgba(43,32,56,.36);
  color:var(--accent);
}
.btn-outline:hover{background:var(--accent);border-color:var(--accent);color:#FBF5EA;box-shadow:none}
.btn-ghost{
  background:transparent;
  border-color:rgba(247,239,226,.42);
  color:#F7EFE2;
}
.btn-ghost:hover{background:#F7EFE2;border-color:#F7EFE2;color:var(--accent);box-shadow:none}

/* 面包屑与文章头 */
.article-hero{
  padding:54px 0 34px;
  background:linear-gradient(180deg,#FFFDF8 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  line-height:1.6;
  color:var(--muted);
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent-2)}
.breadcrumb .sep{color:#C9BAA4;font-size:12px}
.breadcrumb [aria-current]{
  max-width:340px;
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
  color:var(--ink-2);
}
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  margin-top:22px;
  border-radius:999px;
  background:rgba(224,155,34,.16);
  color:#8A5A07;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
  line-height:1;
}
.badge-teal{background:rgba(23,133,127,.12);color:#0F6B66}
.article-hero h1{
  max-width:920px;
  margin-top:16px;
  font-family:var(--serif);
  font-size:clamp(30px,3.4vw,44px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:.01em;
  color:var(--accent);
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:18px;
  font-size:13px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{color:#C9BAA4}
.gold-rule{
  width:56px;
  height:3px;
  margin-top:22px;
  border-radius:999px;
  background:var(--brand);
}

/* 正文布局 */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 240px;
  gap:48px;
  padding:46px 0 20px;
  align-items:start;
}
.article-layout.no-toc{grid-template-columns:minmax(0,1fr)}
.article-layout.no-toc .article-main{max-width:760px;margin:0 auto;width:100%}
.article-main{min-width:0}
.article-body{
  max-width:720px;
  font-size:17px;
  line-height:1.9;
  color:var(--ink-2);
}
.article-body > p:first-of-type{
  font-size:18px;
  color:var(--ink);
}
.article-body p{margin:.95em 0}
.article-body h1,
.article-body h2,
.article-body h3,
.article-body h4{
  font-family:var(--serif);
  color:var(--accent);
  letter-spacing:.01em;
  line-height:1.45;
}
.article-body h2{
  margin:2em 0 .8em;
  padding-left:14px;
  border-left:4px solid var(--brand);
  font-size:28px;
  scroll-margin-top:96px;
}
.article-body h3{
  margin:1.7em 0 .55em;
  font-size:21px;
  font-weight:600;
}
.article-body h4{margin:1.4em 0 .5em;font-size:18px}
.article-body ul,
.article-body ol{margin:.9em 0;line-height:1.8}
.article-body li{margin:.35em 0}
.article-body strong{color:var(--ink);font-weight:600}
.article-body a{
  color:var(--accent-2);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-color:rgba(23,133,127,.42);
}
.article-body a:hover{color:var(--accent);text-decoration-color:var(--brand)}
.article-body img{
  width:100%;
  height:auto;
  margin:1.6em auto;
  border:1px solid var(--line);
  border-radius:12px;
}
.article-body figure{margin:1.8em 0}
.article-body figure img{margin:0 auto}
.article-body figcaption{
  margin-top:8px;
  font-size:13px;
  line-height:1.7;
  color:var(--muted);
  text-align:center;
}
.article-body blockquote{
  margin:1.6em 0;
  padding:16px 20px;
  background:var(--surface-2);
  border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;
  color:var(--ink-2);
}
.article-body blockquote p{margin:.3em 0}
.article-body table{
  width:100%;
  margin:1.6em 0;
  border-collapse:collapse;
  font-size:15px;
  display:block;
  overflow-x:auto;
  white-space:nowrap;
}
.article-body th,
.article-body td{
  padding:10px 12px;
  border:1px solid var(--line);
  text-align:left;
}
.article-body th{background:var(--surface-2);color:var(--accent);font-weight:600}
.article-body code{
  padding:2px 6px;
  border-radius:6px;
  background:var(--surface-2);
  font-family:var(--mono);
  font-size:.92em;
}
.article-body pre{
  margin:1.6em 0;
  padding:18px;
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:12px;
  background:#FFFDF8;
}
.article-body pre code{padding:0;background:transparent}
.article-body hr{
  margin:2.2em 0;
  border:0;
  border-top:1px solid var(--line);
}

/* 目录 */
.toc{
  position:sticky;
  top:28px;
  padding:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.toc-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  width:100%;
  padding:0;
  border:0;
  background:transparent;
  font-family:var(--serif);
  font-size:15px;
  font-weight:700;
  color:var(--accent);
  text-align:left;
  cursor:default;
}
.toc-head span{display:none;color:var(--brand-deep);font-size:20px;line-height:1;font-family:var(--sans)}
.toc-list{
  list-style:none;
  margin:12px 0 0;
  padding:10px 0 0;
  border-top:1px solid var(--line);
  display:grid;
  gap:2px;
}
.toc-list a{
  display:block;
  padding:7px 0 7px 12px;
  border-left:2px solid transparent;
  color:var(--muted);
  font-size:13.5px;
  line-height:1.55;
  transition:color .2s ease,border-color .2s ease;
}
.toc-list a:hover{color:var(--accent-2)}
.toc-list a.active{
  color:var(--accent);
  border-left-color:var(--brand);
  font-weight:600;
}

/* 文末标签与返回 */
.article-end{
  max-width:720px;
  margin-top:38px;
  padding-top:28px;
  border-top:1px solid var(--line);
}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  background:var(--surface-2);
  color:var(--ink-2);
  font-size:12.5px;
  line-height:1;
}
.back-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

/* 内容缺失 */
.empty-state{
  max-width:640px;
  margin:0 auto;
  padding:56px 26px;
  text-align:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow);
}
.empty-icon{
  display:grid;
  place-items:center;
  width:54px;
  height:54px;
  margin:0 auto 18px;
  border-radius:50%;
  background:rgba(224,155,34,.16);
  color:var(--brand-deep);
  font-size:24px;
  line-height:1;
}
.empty-state h2{
  font-family:var(--serif);
  font-size:26px;
  color:var(--accent);
  line-height:1.4;
}
.empty-state p{margin:12px auto 24px;max-width:440px;color:var(--muted);font-size:15px}

/* 相关推荐 */
.related{margin-top:64px}
.section-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:20px;
  margin-bottom:24px;
}
.section-head h2{
  font-family:var(--serif);
  font-size:28px;
  line-height:1.4;
  color:var(--accent);
}
.text-link{
  flex:none;
  font-size:14px;
  color:var(--accent-2);
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-color:rgba(23,133,127,.36);
}
.text-link:hover{color:var(--accent);text-decoration-color:var(--brand)}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.rel-card{
  display:flex;
  flex-direction:column;
  overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  color:inherit;
  text-decoration:none;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rel-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(224,155,34,.45);
  color:inherit;
}
.rel-cover{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--surface-2);
}
.rel-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rel-card:hover .rel-cover img{transform:scale(1.03)}
.rel-body{padding:16px 18px 20px;display:flex;flex-direction:column;flex:1}
.rel-body .badge{margin-top:0;align-self:flex-start}
.rel-body h3{
  margin:10px 0 6px;
  font-family:var(--serif);
  font-size:17px;
  line-height:1.5;
  color:var(--accent);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rel-card:hover h3{color:var(--accent-2)}
.rel-body p{
  margin:0;
  font-size:13.5px;
  line-height:1.7;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rel-meta{
  display:flex;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:14px;
  font-size:12.5px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}

/* CTA */
.cta{
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  margin:72px 0 0;
  padding:44px 48px;
  background:var(--accent);
  border-radius:20px;
  color:#F7EFE2;
}
.cta::before{
  content:"";
  position:absolute;
  top:-120px;
  right:-80px;
  width:340px;
  height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(224,155,34,.18),rgba(224,155,34,0) 68%);
  pointer-events:none;
}
.cta > *{position:relative}
.cta h2{
  font-family:var(--serif);
  font-size:30px;
  line-height:1.35;
  color:#FBF1DE;
}
.cta p{margin-top:10px;max-width:560px;font-size:14.5px;line-height:1.8;color:rgba(247,239,226,.7)}
.cta .btn{flex:none}

/* FAQ */
.faq{margin-top:72px}
.faq > h2{
  font-family:var(--serif);
  font-size:30px;
  line-height:1.4;
  color:var(--accent);
}
.faq-list{margin-top:22px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  width:100%;
  min-height:56px;
  padding:16px 0;
  border:0;
  background:transparent;
  color:var(--ink);
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  text-align:left;
  cursor:pointer;
}
.faq-q:hover{color:var(--accent-2)}
.faq-q .ico{
  display:grid;
  place-items:center;
  width:26px;
  height:26px;
  flex:none;
  border:1px solid var(--brand);
  border-radius:50%;
  color:var(--brand-deep);
  font-size:17px;
  line-height:1;
  transition:transform .2s ease;
}
.faq-item.is-open .ico{transform:rotate(45deg)}
.faq-a{
  display:none;
  max-width:900px;
  padding:0 0 18px;
  color:var(--ink-2);
  font-size:15.5px;
  line-height:1.85;
}
.faq-item.is-open .faq-a{display:block}

/* 页脚 */
.footer{
  position:relative;
  overflow:hidden;
  margin-top:88px;
  padding:64px 0 0;
  background:var(--accent);
  color:rgba(247,239,226,.72);
}
.footer::before{
  content:"";
  position:absolute;
  top:-180px;
  left:10%;
  width:420px;
  height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(224,155,34,.1),rgba(224,155,34,0) 70%);
  pointer-events:none;
}
.footer .wrap{position:relative}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer .brand{color:#F7EFE2}
.footer-brand p{
  max-width:360px;
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:rgba(247,239,226,.64);
}
.footer h4{
  margin:0 0 14px;
  font-family:var(--serif);
  font-size:15px;
  font-weight:700;
  color:#F7EFE2;
}
.footer-links{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:9px;
  font-size:14px;
}
.footer-links a{color:rgba(247,239,226,.66)}
.footer-links a:hover{color:var(--brand)}
.footer-contact{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:11px;
  font-size:13.5px;
  line-height:1.65;
}
.footer-contact b{
  display:block;
  margin-bottom:2px;
  color:#F7EFE2;
  font-weight:600;
  font-size:12px;
  letter-spacing:.08em;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:52px;
  padding:20px 0 24px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:12.5px;
  color:rgba(247,239,226,.48);
}

@media (max-width:1279px){
  :root{--sidebar:220px}
  .wrap{padding:0 24px}
  .article-layout{gap:34px}
}
@media (max-width:1023px){
  .sidebar{
    width:min(84vw,320px);
    transform:translateX(-100%);
    transition:transform .24s ease-out;
    box-shadow:0 0 60px rgba(0,0,0,.35);
  }
  .sidebar.is-open{transform:translateX(0)}
  .topbar{display:flex}
  .main{margin-left:0;padding-top:var(--topbar)}
  .article-hero{padding:38px 0 28px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:26px;padding-top:32px}
  .toc{position:static;order:-1;padding:16px}
  .toc-head{cursor:pointer}
  .toc-head span{display:block}
  .toc-list{display:none}
  .toc.is-open .toc-list{display:grid}
  .article-main{max-width:760px;margin:0 auto;width:100%}
  .article-body{max-width:100%}
  .article-end{max-width:100%}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta{padding:38px 32px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:767px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .article-hero h1{font-size:clamp(26px,6vw,34px)}
  .breadcrumb [aria-current]{max-width:190px}
  .article-body{font-size:16.5px;line-height:1.85}
  .article-body > p:first-of-type{font-size:17px}
  .article-body h2{font-size:24px}
  .article-body h3{font-size:19px}
  .related-grid{grid-template-columns:1fr}
  .section-head{align-items:flex-start;flex-direction:column;gap:8px}
  .cta{flex-direction:column;align-items:flex-start;gap:22px;padding:32px 24px}
  .cta h2{font-size:25px}
  .cta .btn{width:100%}
  .faq > h2{font-size:26px}
  .footer{padding-top:48px;margin-top:64px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .article-hero{padding:30px 0 24px}
  .article-meta{gap:7px;font-size:12.5px}
  .badge{font-size:12px}
  .btn{width:100%}
  .side-foot .btn,
  .topbar .btn-sm{width:auto}
  .empty-state{padding:40px 20px}
  .rel-body{padding:14px 16px 18px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .rel-card:hover,.btn:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#241C16;
  --ink-2:#4A3E36;
  --muted:#857567;
  --bg:#FBF5EA;
  --surface:#FFFFFF;
  --surface-2:#F5EDDF;
  --line:#E8DCC8;
  --brand:#E09B22;
  --brand-deep:#B87712;
  --accent:#2B2038;
  --accent-2:#17857F;
  --ok:#2E8B57;
  --warn:#C9701B;
  --err:#B4402F;
  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 10px 24px -16px rgba(43,32,56,.28);
  --shadow-lg:0 18px 34px -20px rgba(43,32,56,.38);
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",SimSun,serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  --side:236px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--accent-2);text-decoration:none;text-underline-offset:3px;transition:color .2s ease}
a:hover{color:var(--accent);text-decoration:underline}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;letter-spacing:.02em;color:var(--accent);margin:0}
p{margin:0 0 1.05em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:0;box-shadow:0 0 0 3px rgba(224,155,34,.45);border-radius:8px}
.skip{position:absolute;left:-9999px;top:0;background:var(--brand);color:var(--ink);padding:10px 18px;z-index:200;border-radius:0 0 10px 0}
.skip:focus{left:0}

/* ---------- 左侧 App Shell ---------- */
.sidebar{
  position:fixed;top:0;left:0;width:var(--side);height:100vh;
  background:var(--accent);color:#FBF5EA;
  display:flex;flex-direction:column;
  padding:22px 16px 18px;
  z-index:60;
  overflow-y:auto;
  border-right:1px solid rgba(232,220,200,.12);
  transition:transform .26s ease-out;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(224,155,34,.35);border-radius:99px}
.brand{display:flex;align-items:center;gap:10px;color:#FBF5EA;padding:2px 4px 0}
.brand:hover{color:#FBF5EA;text-decoration:none}
.brand-mark{
  width:26px;height:26px;flex:0 0 26px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,#FBF5EA 0 18%,var(--brand) 19% 46%,#8A5E0C 47% 60%,var(--brand) 61% 100%);
  box-shadow:0 0 0 3px rgba(224,155,34,.18);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-line1{font-family:var(--serif);font-weight:700;font-size:16px;letter-spacing:.04em}
.brand-line2{font-size:12px;letter-spacing:.22em;color:rgba(251,245,234,.72)}
.side-tagline{
  font-size:12.5px;line-height:1.7;color:rgba(251,245,234,.6);
  margin:12px 4px 20px;padding-left:11px;border-left:2px solid rgba(224,155,34,.6);
}
.nav{flex:1 1 auto}
.nav-list{display:flex;flex-direction:column;gap:4px}
.nav-list a{
  position:relative;display:flex;align-items:center;
  height:44px;padding:0 12px 0 20px;border-radius:10px;
  color:rgba(251,245,234,.82);font-size:14.5px;letter-spacing:.02em;
  transition:background .2s ease,color .2s ease;
}
.nav-list a::before{
  content:"";position:absolute;left:9px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;
  background:rgba(224,155,34,.42);transition:background .2s ease,transform .2s ease;
}
.nav-list a:hover{background:rgba(224,155,34,.08);color:#FBF5EA;text-decoration:none}
.nav-list a:hover::before{background:var(--brand)}
.nav-list a.is-active{background:rgba(224,155,34,.12);color:#FBF5EA;font-weight:600}
.nav-list a.is-active::before{background:var(--brand);transform:translateY(-50%) scale(1.15)}
.side-foot{margin-top:20px;padding-top:18px;border-top:1px solid rgba(232,220,200,.14)}
.side-contact{margin:16px 0 0;font-size:12.5px;color:rgba(251,245,234,.62);display:flex;flex-direction:column;gap:8px}
.side-contact li{display:flex;flex-direction:column;line-height:1.6}
.side-contact b{font-weight:600;color:rgba(251,245,234,.86);font-size:12px;letter-spacing:.06em}
.side-copy{margin:16px 0 0;font-size:11.5px;color:rgba(251,245,234,.42);letter-spacing:.02em}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border:1px solid transparent;
  border-radius:var(--radius-pill);
  background:var(--brand);color:var(--ink);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  cursor:pointer;text-decoration:none;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease;
}
.btn:hover{background:var(--brand-deep);color:#FFFFFF;text-decoration:none;transform:translateY(-1px);box-shadow:0 12px 22px -14px rgba(43,32,56,.55)}
.btn:active{transform:translateY(0);box-shadow:none}
.btn:disabled,.btn.is-disabled{opacity:.5;pointer-events:none}
.btn-ghost{background:transparent;border-color:var(--accent);color:var(--accent)}
.btn-ghost:hover{background:var(--accent);color:#FBF5EA;border-color:var(--accent)}
.btn-block{display:flex;width:100%}
.btn-sm{min-height:38px;padding:0 16px;font-size:13.5px}
.link-more{font-weight:600;font-size:14px;color:var(--accent-2)}
.link-more:hover{color:var(--accent)}

/* ---------- 顶部栏（移动端） ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:70;
  background:var(--accent);color:#FBF5EA;
  align-items:center;gap:12px;padding:0 14px;
  border-bottom:1px solid rgba(232,220,200,.14);
}
.burger{
  width:42px;height:42px;flex:0 0 42px;border:1px solid rgba(224,155,34,.4);
  border-radius:10px;background:transparent;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.topbar-brand{font-family:var(--serif);font-size:15px;font-weight:600;letter-spacing:.03em;flex:1 1 auto;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .btn-sm{min-height:36px;padding:0 15px;font-size:13px}
.overlay{
  display:none;position:fixed;inset:0;background:rgba(36,28,22,.55);z-index:55;
  opacity:0;transition:opacity .24s ease;
}
.overlay.is-open{display:block;opacity:1}

/* ---------- 主内容 ---------- */
.site-main{margin-left:var(--side);min-height:100vh;display:flex;flex-direction:column}
main{flex:1 1 auto}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;overflow:hidden;background:var(--accent);
  padding:64px 0 54px;min-height:300px;display:flex;align-items:flex-end;
}
.page-head-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 32%}
.page-head-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(43,32,56,.52) 0%,rgba(43,32,56,.9) 100%)}
.page-head-inner{position:relative;z-index:2;width:100%}
.crumb{font-size:13px;color:rgba(251,245,234,.66);display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:16px}
.crumb a{color:rgba(251,245,234,.8)}
.crumb a:hover{color:var(--brand);text-decoration:none}
.crumb .sep{color:rgba(251,245,234,.35)}
.crumb [aria-current]{color:rgba(251,245,234,.95)}
.page-head h1{
  color:#FBF5EA;font-size:clamp(30px,3.3vw,44px);line-height:1.28;
  max-width:16em;margin-bottom:14px;
}
.page-head-desc{color:rgba(251,245,234,.82);font-size:16px;max-width:660px;margin-bottom:22px}
.tag-row{display:flex;flex-wrap:wrap;gap:9px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--radius-pill);
  font-size:13px;letter-spacing:.02em;
  background:rgba(224,155,34,.16);color:#F6DFB4;border:1px solid rgba(224,155,34,.42);
}

/* ---------- 板块通用 ---------- */
.band{padding:88px 0;border-top:1px solid var(--line)}
.band--alt{background:var(--surface-2)}
.band--tight{padding:44px 0}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.16em;
  color:var(--brand-deep);margin-bottom:12px;
}
h2.sec-title{font-size:clamp(24px,2.2vw,30px);line-height:1.4;margin-bottom:12px}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head p{color:var(--ink-2);margin:0}
.lead{font-size:17.5px;color:var(--ink-2)}

/* ---------- 指标条 ---------- */
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden}
.stat{padding:26px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat-num{display:block;font-family:var(--serif);font-size:40px;line-height:1.1;color:var(--accent);font-variant-numeric:tabular-nums}
.stat-num small{font-size:16px;font-family:var(--sans);font-weight:600;color:var(--brand-deep);margin-left:4px}
.stat-label{display:block;font-size:13.5px;color:var(--muted);margin-top:6px}

/* ---------- 图文交错 ---------- */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.zig-media{position:relative}
.zig-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:var(--surface-2);
}
.zig-media .media-note{
  display:block;font-size:12.5px;color:var(--muted);margin-top:10px;
}
.zig-body h2{font-size:clamp(23px,2.1vw,28px);line-height:1.42;margin-bottom:14px}
.zig-body p{color:var(--ink-2)}
.zig-body p:last-of-type{margin-bottom:18px}
.zig--rev .zig-media{order:2}
.bullets{display:flex;flex-direction:column;gap:10px;margin-top:4px}
.bullets li{position:relative;padding-left:26px;font-size:15px;color:var(--ink-2);line-height:1.75}
.bullets li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:14px;border-radius:50%;
  background:rgba(224,155,34,.16);box-shadow:inset 0 0 0 1px rgba(184,119,18,.5);
}
.bullets li::after{
  content:"";position:absolute;left:5px;top:13px;width:4px;height:6px;
  border-right:2px solid var(--brand-deep);border-bottom:2px solid var(--brand-deep);
  transform:rotate(40deg);
}

/* ---------- 类型卡 ---------- */
.type-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.type-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.type-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(224,155,34,.55)}
.type-no{
  font-family:var(--serif);font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--brand-deep);display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;background:rgba(224,155,34,.14);
  border:1px solid rgba(224,155,34,.4);margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.type-card h3{font-size:19px;line-height:1.5;margin-bottom:8px}
.type-card p{font-size:14.5px;color:var(--ink-2);margin:0 0 14px}
.type-meta{margin-top:auto;display:flex;flex-wrap:wrap;gap:6px}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--radius-pill);
  font-size:12.5px;background:rgba(23,133,127,.1);color:#0F635E;border:1px solid rgba(23,133,127,.28);
}

/* ---------- 交付时间线 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px;padding-top:26px;position:relative}
.timeline::before{content:"";position:absolute;top:6px;left:8px;right:8px;height:1px;background:linear-gradient(90deg,rgba(224,155,34,.7),rgba(232,220,200,.9))}
.step{position:relative;padding-top:24px}
.step .dot{
  position:absolute;top:0;left:0;width:13px;height:13px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 4px rgba(224,155,34,.18);
}
.step h3{font-size:17.5px;margin-bottom:6px}
.step p{font-size:14px;color:var(--ink-2);margin:0}
.step .step-time{display:block;font-size:12.5px;color:var(--brand-deep);font-weight:600;letter-spacing:.04em;margin-bottom:4px;font-variant-numeric:tabular-nums}

/* ---------- FAQ ---------- */
.faq{max-width:900px;display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:rgba(224,155,34,.5)}
.faq-item.is-open{border-color:rgba(224,155,34,.6);box-shadow:var(--shadow)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 22px;background:transparent;border:0;cursor:pointer;
  text-align:left;font-family:var(--serif);font-size:17px;font-weight:600;color:var(--accent);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-deep)}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;border:1px solid var(--brand);
  position:relative;transition:transform .22s ease-out;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--brand-deep);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:1.6px}
.faq-icon::after{width:1.6px;height:11px;transition:opacity .2s ease}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.faq-a-inner{padding:0 22px 20px;background:var(--surface-2);font-size:15px;color:var(--ink-2);line-height:1.85}
.faq-a-inner p{margin:16px 0 0}

/* ---------- CTA ---------- */
.cta-band{padding:72px 0;border-top:1px solid var(--line)}
.cta-block{
  position:relative;overflow:hidden;
  background:var(--accent);border-radius:20px;
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  color:#FBF5EA;
}
.cta-block::before{
  content:"";position:absolute;right:-60px;top:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,155,34,.16),rgba(224,155,34,0) 70%);
}
.cta-copy{position:relative;z-index:1;max-width:600px}
.cta-copy h2{color:#FBF5EA;font-size:clamp(22px,2.1vw,28px);margin-bottom:10px;line-height:1.42}
.cta-copy p{color:rgba(251,245,234,.78);margin:0;font-size:15px}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px}
.cta-actions .btn-ghost{border-color:rgba(251,245,234,.6);color:#FBF5EA}
.cta-actions .btn-ghost:hover{background:#FBF5EA;color:var(--accent);border-color:#FBF5EA}

/* ---------- 页脚 ---------- */
.footer{background:var(--accent);color:rgba(251,245,234,.78);padding:64px 0 26px;border-top:1px solid rgba(232,220,200,.14)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(251,245,234,.62);margin:0;max-width:340px}
.footer h4{color:#FBF5EA;font-size:15px;letter-spacing:.06em;margin-bottom:16px}
.footer-links,.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-links a{color:rgba(251,245,234,.72)}
.footer-links a:hover{color:var(--brand);text-decoration:none}
.footer-contact li{display:flex;flex-direction:column;line-height:1.7;color:rgba(251,245,234,.62);font-size:13.5px}
.footer-contact b{font-weight:600;color:rgba(251,245,234,.9);font-size:12.5px;letter-spacing:.08em;margin-bottom:2px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(232,220,200,.16);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;color:rgba(251,245,234,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--side:220px}
  .wrap{padding:0 26px}
  .type-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  .sidebar{transform:translateX(-100%);width:84vw;max-width:320px;--side:0}
  .sidebar.is-open{transform:translateX(0);box-shadow:0 0 60px rgba(0,0,0,.4)}
  .topbar{display:flex}
  .site-main{margin-left:0;padding-top:60px}
  .wrap{padding:0 24px}
  .band{padding:72px 0}
  .zig{grid-template-columns:1fr;gap:28px}
  .zig--rev .zig-media{order:0}
  .timeline{grid-template-columns:repeat(2,1fr);gap:28px}
  .timeline::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cta-block{flex-direction:column;align-items:flex-start;padding:40px 32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .page-head{padding:48px 0 40px;min-height:240px}
  .page-head h1{font-size:28px}
  .page-head-desc{font-size:15px}
  .band{padding:52px 0}
  .stat-row{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line);padding:20px}
  .stat:last-child{border-bottom:0}
  .stat-num{font-size:34px}
  .type-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr;gap:22px}
  .cta-band{padding:48px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer{padding:48px 0 22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-q{font-size:16px;padding:14px 16px}
  .faq-a-inner{padding:0 16px 18px}
}
@media (max-width:479px){
  .wrap{padding:0 16px}
  .page-head h1{font-size:26px}
  .band{padding:44px 0}
  .type-card{padding:20px 16px}
  .cta-block{padding:32px 20px;border-radius:16px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .type-card:hover,.btn:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --ink:#241C16;
  --ink-2:#4A3E36;
  --muted:#857567;
  --bg:#FBF5EA;
  --surface:#FFFFFF;
  --surface-2:#F5EDDF;
  --line:#E8DCC8;
  --brand:#E09B22;
  --brand-deep:#B87712;
  --accent:#2B2038;
  --accent-2:#17857F;
  --ok:#2E8B57;
  --err:#B4402F;
  --r-card:16px;
  --r-img:12px;
  --r-input:12px;
  --shadow:0 10px 24px -16px rgba(43,32,56,.28);
  --shadow-hover:0 18px 36px -18px rgba(43,32,56,.38);
  --sidebar-w:236px;
  --font-title:"Noto Serif SC","Songti SC","SimSun",Songti,serif;
  --font-body:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
body.locked{overflow:hidden;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--accent-2);text-decoration:none;text-underline-offset:3px;}
a:hover{color:var(--accent);text-decoration:underline;}
p{margin:0 0 1.1em;color:var(--ink-2);}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1.1em;padding-left:1.4em;}
li{margin:0 0 .5em;}
h1,h2,h3,h4{font-family:var(--font-title);color:var(--accent);letter-spacing:.02em;margin:0;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(224,155,34,.55);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(224,155,34,.28);color:var(--ink);}

/* ---------- 布局骨架 ---------- */
.shell{
  margin-left:var(--sidebar-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 左侧 App Shell 导航 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;
  width:var(--sidebar-w);
  height:100vh;
  z-index:40;
  display:flex;
  flex-direction:column;
  padding:26px 16px 22px;
  background:var(--accent);
  border-right:1px solid rgba(255,255,255,.08);
  overflow-y:auto;
  overscroll-behavior:contain;
}
.sidebar::-webkit-scrollbar{width:6px;}
.sidebar::-webkit-scrollbar-thumb{background:rgba(224,155,34,.35);border-radius:999px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  text-decoration:none !important;
}
.brand-mark{
  flex:0 0 34px;
  width:34px;height:34px;
  border-radius:50%;
  background:radial-gradient(circle at 50% 50%,
     #FBF5EA 0 20%,
     var(--brand) 21% 40%,
     #2B2038 41% 58%,
     var(--accent-2) 59% 100%);
  box-shadow:0 0 0 1px rgba(224,155,34,.45), 0 0 18px -6px rgba(224,155,34,.8);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-line1{
  font-family:var(--font-title);
  font-size:16.5px;
  font-weight:700;
  letter-spacing:.03em;
  color:#FFF8EA;
}
.brand-line2{
  font-size:11px;
  letter-spacing:.34em;
  color:var(--brand);
  margin-top:3px;
}
.brand-sub{
  font-size:12.5px;
  line-height:1.7;
  color:#8E8275;
  margin:14px 0 0;
  padding-left:2px;
}
.side-nav{
  display:flex;
  flex-direction:column;
  gap:4px;
  margin-top:26px;
}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  min-height:44px;
  padding:0 12px 0 22px;
  border-radius:10px;
  font-size:15px;
  color:#C2B6A8;
  text-decoration:none !important;
  transition:background .18s ease,color .18s ease;
}
.nav-item::before{
  content:"";
  position:absolute;
  left:9px;top:50%;
  width:6px;height:6px;
  margin-top:-3px;
  border-radius:50%;
  background:rgba(224,155,34,.3);
  transition:background .18s ease,box-shadow .18s ease;
}
.nav-item:hover{background:rgba(224,155,34,.08);color:#F5EDDF;}
.nav-item.active{
  background:rgba(224,155,34,.12);
  color:#FFF8EA;
  font-weight:600;
}
.nav-item.active::before{
  background:var(--brand);
  box-shadow:0 0 0 3px rgba(224,155,34,.18);
}
.sidebar-bottom{
  margin-top:auto;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
}
.side-contact{
  font-size:12.5px;
  line-height:1.75;
  color:#9A8E80;
  margin:9px 0 0;
}
.side-copy{
  font-size:11.5px;
  color:#6F6459;
  margin:14px 0 0;
  line-height:1.6;
}

/* ---------- 按钮 ---------- */
.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:600;
  letter-spacing:.02em;
  white-space:nowrap;
  text-decoration:none !important;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--brand);color:var(--ink);}
.btn-primary:hover{
  background:var(--brand-deep);
  color:#FFFFFF;
  transform:translateY(-1px);
  box-shadow:0 14px 28px -16px rgba(184,119,18,.85);
}
.btn-primary:active{transform:none;box-shadow:none;}
.btn-ghost{background:transparent;border-color:rgba(43,32,56,.4);color:var(--accent);}
.btn-ghost:hover{background:var(--accent);border-color:var(--accent);color:#F6EEE0;transform:translateY(-1px);}
.btn-ghost:active{transform:none;}
.btn-light{background:transparent;border-color:rgba(245,237,223,.45);color:#F5EDDF;}
.btn-light:hover{background:#F5EDDF;color:var(--accent);border-color:#F5EDDF;}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  line-height:1;
  letter-spacing:.02em;
  white-space:nowrap;
}
.badge-gold{background:rgba(224,155,34,.18);color:var(--brand-deep);}
.badge-teal{background:rgba(23,133,127,.13);color:var(--accent-2);}
.badge-ink{background:rgba(43,32,56,.08);color:var(--accent);}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:60px;
  z-index:30;
  align-items:center;
  gap:10px;
  padding:0 14px;
  background:var(--accent);
  border-bottom:1px solid rgba(255,255,255,.1);
}
.burger{
  width:40px;height:40px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  padding:0 9px;
  border-radius:8px;
  flex:0 0 40px;
}
.burger span{
  display:block;
  height:2px;
  border-radius:2px;
  background:#F5EDDF;
  transition:transform .2s ease,opacity .2s ease;
}
.burger:hover span{background:var(--brand);}
.topbar-brand{
  flex:1;
  min-width:0;
  font-family:var(--font-title);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  color:#FFF8EA;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.overlay{
  position:fixed;
  inset:0;
  z-index:35;
  background:rgba(36,28,22,.55);
  opacity:0;
  visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;
}
.overlay.show{opacity:1;visibility:visible;}

/* ---------- 页面头 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--accent);
  color:#F5EDDF;
}
.page-hero .hero-bg{
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center 34%;
  opacity:.5;
}
.page-hero .hero-veil{
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(43,32,56,.94) 0%,rgba(43,32,56,.78) 48%,rgba(43,32,56,.58) 100%);
}
.page-hero .hero-glow{
  position:absolute;
  right:-140px;top:-160px;
  width:460px;height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(224,155,34,.22),rgba(224,155,34,0) 68%);
  pointer-events:none;
}
.page-hero .wrap{
  position:relative;
  padding-top:44px;
  padding-bottom:60px;
}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(245,237,223,.66);
  margin-bottom:22px;
}
.crumbs a{color:rgba(245,237,223,.86);text-decoration:none;}
.crumbs a:hover{color:var(--brand);text-decoration:none;}
.crumbs .sep{opacity:.42;}
.crumbs .cur{color:#FFF8EA;}
.page-hero h1{
  font-size:clamp(32px,3.4vw,46px);
  line-height:1.25;
  font-weight:700;
  color:#FFF8EA;
  max-width:14em;
  margin:0 0 18px;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:18px;
}
.hero-tags .badge{
  background:rgba(224,155,34,.16);
  color:#F0C87A;
  border:1px solid rgba(224,155,34,.34);
}
.hero-lead{
  max-width:640px;
  font-size:16.5px;
  line-height:1.85;
  color:rgba(246,238,224,.86);
  margin:0;
}
.hero-rule{
  width:56px;
  height:1px;
  background:var(--brand);
  margin:24px 0 0;
}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--surface-2);}
.section-line{border-top:1px solid var(--line);}
.sec-head{
  max-width:760px;
  margin-bottom:40px;
}
.sec-head h2{
  font-size:clamp(24px,2.4vw,30px);
  line-height:1.4;
  font-weight:700;
  margin:0 0 14px;
}
.sec-head p{
  margin:0;
  font-size:16px;
  color:var(--ink-2);
}
.sec-head .eyebrow{
  display:inline-block;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--accent-2);
  margin-bottom:12px;
}

/* ---------- 横向剧集卡带 ---------- */
.rail-wrap{position:relative;}
.rail{
  display:flex;
  gap:20px;
  overflow-x:auto;
  padding:4px 2px 18px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
  scrollbar-color:var(--brand) var(--surface-2);
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-track{background:var(--surface-2);border-radius:999px;}
.rail::-webkit-scrollbar-thumb{background:var(--brand);border-radius:999px;}
.reel{
  flex:0 0 232px;
  width:232px;
  position:relative;
  aspect-ratio:3 / 4;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface-2);
  scroll-snap-align:start;
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.reel img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
}
.reel-shade{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  gap:8px;
  padding:16px;
  background:linear-gradient(180deg,rgba(43,32,56,0) 30%,rgba(43,32,56,.7) 66%,rgba(43,32,56,.95) 100%);
}
.reel-shade .badge{
  align-self:flex-start;
  background:rgba(255,255,255,.93);
  color:var(--accent);
}
.reel-shade h3{
  font-size:17px;
  line-height:1.45;
  font-weight:600;
  color:#FFFFFF;
  margin:0;
}
.reel-shade p{
  margin:0;
  font-size:13px;
  line-height:1.6;
  color:rgba(255,255,255,.78);
}
.reel:hover,.reel:focus-within{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
}
.rail-hint{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-top:2px;
}
.rail-hint span{color:var(--brand-deep);}

/* ---------- 两列设定卡 ---------- */
.spec-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.spec-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--shadow);
  transition:box-shadow .22s ease-out,transform .22s ease-out,border-color .22s ease-out;
}
.spec-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-2px);
  border-color:rgba(224,155,34,.5);
}
.spec-card .num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:10px;
  background:rgba(224,155,34,.16);
  color:var(--brand-deep);
  font-family:var(--font-title);
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
}
.spec-card h3{
  font-size:20px;
  line-height:1.5;
  font-weight:600;
  margin:0 0 12px;
}
.spec-card p{
  font-size:15.5px;
  line-height:1.85;
  margin:0 0 16px;
  color:var(--ink-2);
}
.tick-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:10px;
}
.tick-list li{
  position:relative;
  padding-left:24px;
  margin:0;
  font-size:14.5px;
  line-height:1.7;
  color:var(--ink-2);
}
.tick-list li::before{
  content:"";
  position:absolute;
  left:2px;top:.62em;
  width:9px;height:5px;
  border-left:2px solid var(--brand);
  border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);
}

/* ---------- 深色参数区 ---------- */
.dark-band{
  position:relative;
  overflow:hidden;
  background:var(--accent);
  border-radius:20px;
  padding:56px;
  color:#F5EDDF;
}
.dark-band::after{
  content:"";
  position:absolute;
  right:-150px;top:-160px;
  width:480px;height:480px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(224,155,34,.2),rgba(224,155,34,0) 70%);
  pointer-events:none;
}
.dark-band .eyebrow{
  display:inline-block;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--brand);
  margin-bottom:12px;
}
.dark-band h2{
  position:relative;
  z-index:1;
  color:#FFF8EA;
  font-size:clamp(23px,2.2vw,28px);
  line-height:1.4;
  margin:0 0 12px;
}
.dark-band > p{
  position:relative;
  z-index:1;
  max-width:660px;
  color:rgba(245,237,223,.76);
  font-size:15.5px;
  margin:0 0 36px;
}
.stat-row{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:rgba(224,155,34,.22);
  border-radius:12px;
  overflow:hidden;
}
.stat{
  background:var(--accent);
  padding:24px 20px;
  text-align:left;
}
.stat .val{
  font-family:var(--font-title);
  font-size:clamp(30px,3.4vw,44px);
  line-height:1.1;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
}
.stat .val small{
  font-size:.42em;
  font-weight:600;
  margin-left:4px;
  color:rgba(224,155,34,.85);
}
.stat .label{
  display:block;
  margin-top:10px;
  font-size:13.5px;
  line-height:1.6;
  color:rgba(245,237,223,.66);
}

/* ---------- 流程 ---------- */
.flow{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.flow-step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 22px 26px;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.flow-step::before{
  content:"";
  position:absolute;
  top:38px;right:-20px;
  width:20px;height:1px;
  background:rgba(224,155,34,.55);
}
.flow-step:last-child::before{display:none;}
.flow-step:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(224,155,34,.5);
}
.flow-step .dot{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:50%;
  background:var(--accent);
  color:var(--brand);
  font-family:var(--font-title);
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
  box-shadow:0 0 0 4px rgba(224,155,34,.14);
}
.flow-step h3{
  font-size:18px;
  line-height:1.5;
  font-weight:600;
  margin:0 0 10px;
}
.flow-step p{
  margin:0;
  font-size:14.5px;
  line-height:1.8;
  color:var(--ink-2);
}

/* ---------- FAQ ---------- */
.faq-list{max-width:840px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-img);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(224,155,34,.55);}
.faq-item[open]{box-shadow:var(--shadow);border-color:rgba(224,155,34,.55);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  position:relative;
  display:flex;
  align-items:center;
  min-height:44px;
  padding:18px 56px 18px 22px;
  font-family:var(--font-title);
  font-size:17px;
  font-weight:600;
  line-height:1.55;
  color:var(--accent);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:18px;top:50%;
  width:26px;height:26px;
  margin-top:-13px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--brand);
  border-radius:50%;
  color:var(--brand-deep);
  font-size:16px;
  line-height:1;
  font-family:var(--font-body);
  transition:transform .2s ease-out,background .2s ease;
}
.faq-item[open] summary::after{
  content:"−";
  transform:rotate(180deg);
  background:rgba(224,155,34,.14);
}
.faq-item summary:hover{color:var(--accent-2);}
.faq-body{
  padding:0 22px 20px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--ink-2);
}
.faq-body p{margin:0;color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  background:var(--accent);
  border-radius:20px;
  padding:56px;
}
.cta-band::after{
  content:"";
  position:absolute;
  left:-120px;bottom:-160px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(224,155,34,.18),rgba(224,155,34,0) 70%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:620px;}
.cta-copy h2{
  color:#FFF8EA;
  font-size:clamp(23px,2.4vw,29px);
  line-height:1.4;
  margin:0 0 12px;
}
.cta-copy p{
  margin:0;
  font-size:15.5px;
  line-height:1.85;
  color:rgba(245,237,223,.76);
}
.cta-actions{
  position:relative;
  z-index:1;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* ---------- 页脚 ---------- */
.footer{
  background:var(--accent);
  color:#C2B6A8;
  padding:64px 0 26px;
  margin-top:auto;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer h4{
  font-size:16px;
  font-weight:600;
  color:#F5EDDF;
  margin:0 0 16px;
  letter-spacing:.02em;
}
.footer-brand p{
  margin:18px 0 0;
  font-size:14px;
  line-height:1.8;
  color:#A99C8E;
  max-width:330px;
}
.footer-links{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:11px;
}
.footer-links li{margin:0;}
.footer-links a{
  font-size:14.5px;
  color:#C2B6A8;
  text-decoration:none;
  transition:color .18s ease;
}
.footer-links a:hover{color:var(--brand);text-decoration:none;}
.footer-contact{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:12px;
  font-size:14.5px;
  color:#C2B6A8;
}
.footer-contact li{margin:0;line-height:1.7;}
.footer-contact b{
  display:block;
  font-size:12.5px;
  font-weight:500;
  letter-spacing:.06em;
  color:#8E8275;
  margin-bottom:2px;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:#8E8275;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .wrap{padding:0 28px;}
}
@media (max-width:1023px){
  :root{--sidebar-w:0px;}
  .sidebar{
    width:84vw;
    max-width:320px;
    transform:translateX(-100%);
    transition:transform .24s ease-out;
    box-shadow:0 0 44px rgba(0,0,0,.45);
  }
  .sidebar.open{transform:translateX(0);}
  .shell{margin-left:0;padding-top:60px;}
  .topbar{display:flex;}
  .section{padding:72px 0;}
  .dark-band{padding:40px 32px;border-radius:16px;}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow-step::before{display:none;}
  .cta-band{padding:40px 32px;border-radius:16px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .page-hero .wrap{padding-top:36px;padding-bottom:48px;}
}
@media (max-width:767px){
  .wrap{padding:0 20px;}
  .section{padding:56px 0;}
  .page-hero h1{font-size:29px;}
  .hero-lead{font-size:15.5px;}
  .spec-grid{grid-template-columns:1fr;}
  .rail{gap:14px;}
  .reel{flex:0 0 200px;width:200px;}
  .cta-band{flex-direction:column;align-items:flex-start;gap:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer{padding:48px 0 22px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:519px){
  body{font-size:16px;}
  .wrap{padding:0 16px;}
  .section{padding:44px 0;}
  .page-hero h1{font-size:26px;line-height:1.32;}
  .dark-band{padding:32px 20px;border-radius:14px;}
  .stat-row{grid-template-columns:1fr;}
  .stat{padding:18px 16px;}
  .flow{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .reel{flex:0 0 176px;width:176px;}
  .spec-card{padding:20px;}
  .faq-item summary{padding:16px 52px 16px 18px;font-size:16px;}
  .faq-body{padding:0 18px 18px;font-size:15px;}
  .rail{padding-bottom:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .btn:hover,.reel:hover,.spec-card:hover,.flow-step:hover{transform:none;}
}

/* roulang page: category4 */
:root{
  --ink:#241C16;
  --ink-2:#4A3E36;
  --muted:#857567;
  --bg:#FBF5EA;
  --surface:#FFFFFF;
  --surface-2:#F5EDDF;
  --line:#E8DCC8;
  --brand:#E09B22;
  --brand-deep:#B87712;
  --accent:#2B2038;
  --accent-2:#17857F;
  --ok:#2E8B57;
  --warn:#C9701B;
  --err:#B4402F;
  --r-card:16px;
  --r-img:12px;
  --r-input:12px;
  --r-pill:999px;
  --shadow:0 10px 24px -16px rgba(43,32,56,.28);
  --shadow-lg:0 18px 38px -20px rgba(43,32,56,.42);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Songti,SimSun,serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --side-w:236px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--accent-2);text-decoration:none;text-underline-offset:3px;transition:color .2s ease}
a:hover{color:var(--accent);text-decoration:underline}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;letter-spacing:.02em;color:var(--accent);margin:0}
h1{font-size:clamp(28px,3.4vw,44px);line-height:1.28}
h2{font-size:clamp(23px,2.4vw,30px);line-height:1.42}
h3{font-size:clamp(19px,1.6vw,22px);line-height:1.5}
h4{font-size:18px;line-height:1.55}
p{margin:0 0 1.05em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1.05em;padding-left:1.35em}
li{margin-bottom:.45em}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:16px}
:focus-visible{outline:0;box-shadow:0 0 0 3px rgba(224,155,34,.35);border-radius:6px}

/* ---------- 布局 ---------- */
.main{margin-left:var(--side-w);min-height:100vh}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-alt{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--accent-2);margin-bottom:14px;font-weight:600}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.section-head p{color:var(--ink-2);margin-top:12px;font-size:16px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 侧栏导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;width:var(--side-w);height:100vh;height:100dvh;
  background:var(--accent);
  border-right:1px solid rgba(224,155,34,.18);
  display:flex;flex-direction:column;
  padding:26px 18px 20px;
  overflow-y:auto;overscroll-behavior:contain;
  z-index:70;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(224,155,34,.32);border-radius:6px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:#FBF5EA;margin-bottom:8px}
.brand:hover{text-decoration:none;color:#FBF5EA}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%, #FBF5EA 0 16%, #2B2038 17% 40%, #E09B22 41% 100%);
  box-shadow:inset 0 0 0 1px rgba(251,245,234,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-line1{font-family:var(--serif);font-size:15.5px;font-weight:700;letter-spacing:.02em}
.brand-line2{font-size:12px;letter-spacing:.26em;color:var(--brand);margin-top:3px}
.side-tagline{font-size:12.5px;line-height:1.7;color:rgba(251,245,234,.62);margin:12px 0 22px;padding-bottom:18px;border-bottom:1px solid rgba(251,245,234,.12)}
.side-nav{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.side-nav li{margin:0}
.side-nav a{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;border-radius:10px;
  color:rgba(251,245,234,.8);font-size:14.5px;font-weight:500;text-decoration:none;
  transition:background .2s ease,color .2s ease;
}
.side-nav a::before{content:"";width:6px;height:6px;border-radius:50%;border:1px solid rgba(224,155,34,.55);background:transparent;transition:background .2s ease,border-color .2s ease;flex:0 0 6px}
.side-nav a:hover{background:rgba(224,155,34,.08);color:#FBF5EA;text-decoration:none}
.side-nav a.active{background:rgba(224,155,34,.12);color:#FBF5EA}
.side-nav a.active::before{background:var(--brand);border-color:var(--brand)}
.side-foot{margin-top:auto;padding-top:26px}
.side-foot .btn{width:100%;justify-content:center}
.side-contact{list-style:none;margin:18px 0 0;padding:0;font-size:12.5px;line-height:1.9;color:rgba(251,245,234,.6)}
.side-contact li{margin:0;display:flex;gap:6px}
.side-contact b{color:rgba(251,245,234,.82);font-weight:600;flex:0 0 auto}
.side-copy{font-size:11.5px;color:rgba(251,245,234,.36);margin-top:16px;letter-spacing:.02em}

/* ---------- 顶部栏（移动端） ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:80;
  background:var(--accent);align-items:center;gap:12px;padding:0 16px;
  border-bottom:1px solid rgba(224,155,34,.2);
}
.burger{width:44px;height:44px;border:0;background:transparent;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:0 10px;border-radius:10px}
.burger span{display:block;height:2px;width:100%;background:#FBF5EA;border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.burger:focus-visible{box-shadow:0 0 0 3px rgba(224,155,34,.45)}
.topbar-brand{font-family:var(--serif);font-size:15px;font-weight:700;color:#FBF5EA;letter-spacing:.02em;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.scrim{position:fixed;inset:0;background:rgba(36,28,22,.55);opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:65}
.scrim.show{opacity:1;visibility:visible}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);border:1px solid transparent;
  background:var(--brand);color:var(--ink);font-weight:600;font-size:15.5px;letter-spacing:.02em;
  text-decoration:none;transition:background .2s ease,transform .2s ease,box-shadow .2s ease,color .2s ease;
  cursor:pointer;
}
.btn:hover{background:var(--brand-deep);color:#FFFFFF;transform:translateY(-1px);box-shadow:var(--shadow-lg);text-decoration:none}
.btn:active{transform:translateY(0);box-shadow:none}
.btn:focus-visible{box-shadow:0 0 0 3px rgba(224,155,34,.4)}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-ghost{background:transparent;border-color:var(--accent);color:var(--accent)}
.btn-ghost:hover{background:var(--accent);border-color:var(--accent);color:#FBF5EA}
.btn-light{background:transparent;border-color:rgba(251,245,234,.45);color:#FBF5EA}
.btn-light:hover{background:#FBF5EA;border-color:#FBF5EA;color:var(--accent)}
.link-more{font-size:14.5px;font-weight:600;color:var(--accent-2);display:inline-flex;align-items:center;gap:6px}
.link-more::after{content:"→";transition:transform .2s ease}
.link-more:hover{color:var(--accent);text-decoration:none}
.link-more:hover::after{transform:translateX(3px)}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;min-height:250px;display:flex;align-items:flex-end;
  background:url(/assets/images/backpic/back-3.webp) center 36%/cover no-repeat;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(43,32,56,.5) 0%,rgba(43,32,56,.86) 100%);
}
.page-hero .wrap{position:relative;z-index:2;padding-top:74px;padding-bottom:38px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(251,245,234,.68);margin-bottom:16px;list-style:none;padding:0}
.crumb li{margin:0;display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:rgba(251,245,234,.36)}
.crumb a{color:rgba(251,245,234,.82)}
.crumb a:hover{color:var(--brand);text-decoration:none}
.crumb .current{color:rgba(251,245,234,.6)}
.page-hero h1{color:#FBF5EA;max-width:16ch}
.page-hero .lede{color:rgba(251,245,234,.78);font-size:16px;margin-top:14px;max-width:44ch}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:16px;
  background:rgba(224,155,34,.16);color:#F0C978;border:1px solid rgba(224,155,34,.4);
}
.badge-teal{background:rgba(23,133,127,.16);color:#7FD6CF;border-color:rgba(23,133,127,.45)}
.badge-solid-light{background:var(--surface-2);color:var(--brand-deep);border-color:var(--line)}

/* ---------- 流程条 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.flow::before{
  content:"";position:absolute;left:26px;right:26px;top:19px;height:1px;
  background:linear-gradient(90deg,var(--brand) 0%,rgba(224,155,34,.35) 60%,rgba(232,220,200,0) 100%);
}
.flow-step{position:relative;padding-top:60px}
.flow-dot{
  position:absolute;top:0;left:0;width:40px;height:40px;border-radius:50%;
  background:var(--surface);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-weight:700;font-size:15px;color:var(--brand-deep);
  box-shadow:var(--shadow);
}
.flow-step h3{font-size:19px;margin-bottom:8px}
.flow-step p{font-size:14.5px;line-height:1.8;color:var(--ink-2);margin:0}

/* ---------- 双列要点卡 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#DCC9A8}
.card h3{margin-bottom:10px}
.card > p{color:var(--ink-2);font-size:15px}
.check-list{list-style:none;margin:18px 0 0;padding:0}
.check-list li{position:relative;padding-left:26px;margin-bottom:10px;font-size:14.8px;color:var(--ink-2)}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:8px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);border-radius:1px;
}
.card-media{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);margin-bottom:20px;aspect-ratio:16/10;background:var(--surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0}

/* ---------- 合作方式列表 ---------- */
.deal-list{border-top:1px solid var(--line);margin-top:8px}
.deal-row{
  display:grid;grid-template-columns:180px 1fr 140px;gap:28px;align-items:center;
  padding:26px 4px;border-bottom:1px solid var(--line);
  transition:background .2s ease,padding-left .2s ease;
}
.deal-row:hover{background:rgba(245,237,223,.6);padding-left:16px}
.deal-name{font-family:var(--serif);font-size:20px;font-weight:700;color:var(--accent)}
.deal-desc{font-size:14.8px;color:var(--ink-2);margin:0}
.deal-meta{font-size:13px;color:var(--muted);text-align:right;font-variant-numeric:tabular-nums}
.deal-meta strong{display:block;color:var(--accent-2);font-size:15px;font-weight:600}

/* ---------- 表单 ---------- */
.form-shell{max-width:960px;margin:0 auto;display:grid;grid-template-columns:1fr 280px;gap:40px;align-items:start}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:34px;box-shadow:var(--shadow);
}
.form-card h3{margin-bottom:6px}
.form-intro{font-size:14.5px;color:var(--muted);margin-bottom:26px}
.field{margin-bottom:18px}
.field:last-of-type{margin-bottom:0}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.field label .req{color:var(--err);margin-left:2px}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;min-height:46px;padding:11px 14px;border-radius:var(--r-input);
  border:1px solid var(--line);background:var(--surface);color:var(--ink);
  line-height:1.6;transition:border-color .2s ease,box-shadow .2s ease;
  appearance:none;
}
.field select{
  background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;
  background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:40px;
}
.field textarea{min-height:118px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#B8A996}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--accent-2);box-shadow:0 0 0 3px rgba(23,133,127,.16);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--err);box-shadow:0 0 0 3px rgba(180,64,47,.12)}
.field-error{display:none;font-size:13px;line-height:1.6;color:var(--err);margin-top:6px}
.field.has-error .field-error{display:block}
.checkbox{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.7;cursor:pointer}
.checkbox input{width:18px;height:18px;margin:4px 0 0;accent-color:var(--accent-2);flex:0 0 18px}
.form-actions{margin-top:26px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-actions .btn{min-width:180px}
.form-note{font-size:13px;color:var(--muted);margin:0}
.form-success{
  display:none;background:rgba(46,139,87,.08);border:1px solid rgba(46,139,87,.4);
  border-radius:var(--r-card);padding:26px;margin-top:20px;
}
.form-success h4{color:var(--ok);margin-bottom:8px}
.form-success p{font-size:15px;color:var(--ink-2);margin:0}
.aside-note{
  background:var(--accent);border-radius:var(--r-card);padding:26px;color:rgba(251,245,234,.78);
  position:relative;overflow:hidden;
}
.aside-note::before{
  content:"";position:absolute;top:-60px;right:-60px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,155,34,.22),rgba(224,155,34,0) 70%);
}
.aside-note h4{color:#FBF5EA;font-size:17px;margin-bottom:14px;position:relative}
.aside-note ul{list-style:none;margin:0;padding:0;font-size:14px;line-height:1.9;position:relative}
.aside-note li{margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid rgba(251,245,234,.12)}
.aside-note li:last-child{margin-bottom:0;padding-bottom:0;border-bottom:0}
.aside-note b{display:block;color:var(--brand);font-size:13px;letter-spacing:.1em;font-weight:600;margin-bottom:2px}

/* ---------- FAQ ---------- */
.faq{max-width:860px}
.faq-item{border:1px solid var(--line);border-radius:12px;background:var(--surface);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#DCC9A8}
.faq-item.open{box-shadow:var(--shadow)}
.faq-q{
  width:100%;min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;background:transparent;border:0;text-align:left;
  font-family:var(--serif);font-size:17px;font-weight:600;color:var(--accent);line-height:1.55;
}
.faq-q:hover{color:var(--brand-deep)}
.faq-icon{
  position:relative;flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--brand);transition:transform .22s ease,background .22s ease;
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand-deep);border-radius:2px;transform:translate(-50%,-50%)}
.faq-icon::before{width:11px;height:1.5px}
.faq-icon::after{width:1.5px;height:11px;transition:opacity .22s ease}
.faq-item.open .faq-icon{transform:rotate(180deg);background:rgba(224,155,34,.14)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.faq-item.open .faq-a{max-height:340px}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);background:var(--surface-2);padding-top:16px;margin:0 12px 12px;border-radius:12px}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--accent);border-radius:20px;padding:56px;color:#FBF5EA;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;top:-90px;right:-70px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,155,34,.18),rgba(224,155,34,0) 70%);
}
.cta-band h2{color:#FBF5EA;position:relative;max-width:20ch}
.cta-band p{color:rgba(251,245,234,.72);margin-top:12px;font-size:15.5px;position:relative;margin-bottom:0}
.cta-band .cta-actions{position:relative;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.footer{background:var(--accent);color:rgba(251,245,234,.78);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:40px}
.footer h4{color:#FBF5EA;font-size:15px;letter-spacing:.08em;margin-bottom:16px;font-family:var(--sans);font-weight:600}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(251,245,234,.62);margin:16px 0 0;max-width:34ch}
.footer-links,.footer-contact{list-style:none;margin:0;padding:0;font-size:14px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(251,245,234,.75)}
.footer-links a:hover{color:var(--brand);text-decoration:none}
.footer-contact li{margin-bottom:12px;line-height:1.7;display:flex;flex-direction:column;gap:2px}
.footer-contact b{color:rgba(251,245,234,.9);font-weight:600;font-size:13px;letter-spacing:.06em}
.footer-bottom{
  border-top:1px solid rgba(251,245,234,.14);padding-top:20px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(251,245,234,.48);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .wrap{padding:0 26px}
  .section{padding:80px 0}
  .deal-row{grid-template-columns:150px 1fr 120px;gap:22px}
}
@media (max-width:1023px){
  .sidebar{
    transform:translateX(-100%);transition:transform .24s ease-out;
    width:84vw;max-width:320px;height:100vh;height:100dvh;
    box-shadow:0 0 40px rgba(0,0,0,.35);
  }
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0;padding-top:60px}
  .topbar{display:flex}
  .wrap{padding:0 24px}
  .section{padding:72px 0}
  .flow{grid-template-columns:repeat(2,1fr);gap:28px 24px}
  .flow::before{display:none}
  .grid-2{grid-template-columns:1fr}
  .form-shell{grid-template-columns:1fr;gap:28px}
  .deal-row{grid-template-columns:1fr;gap:8px;padding:22px 4px}
  .deal-meta{text-align:left}
  .deal-row:hover{padding-left:4px}
  .cta-band{padding:40px 32px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .section{padding:56px 0}
  .page-hero{min-height:210px}
  .page-hero .wrap{padding-top:56px;padding-bottom:30px}
  .page-hero h1{max-width:none}
  .page-hero .lede{font-size:15px}
  .flow{grid-template-columns:1fr;gap:26px}
  .card{padding:22px}
  .form-card{padding:24px}
  .cta-band{padding:32px 22px;border-radius:16px}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn{width:100%}
  .footer{padding:48px 0 22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-q{font-size:16px;padding:14px 16px}
  .faq-a-inner{margin:0 8px 8px;padding:14px 14px}
  .form-actions .btn{width:100%}
}
@media (max-width:479px){
  .topbar-brand{font-size:14px}
  h1{font-size:26px}
  .aside-note{padding:22px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .card:hover,.btn:hover{transform:none}
}