/* roulang page: index */
:root{
  --c-brand:#0E3B33;
  --c-brand-soft:#17544A;
  --c-accent:#E2603A;
  --c-accent-dark:#C74E2C;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-dark:#0E1B18;
  --c-ink:#1A1C1A;
  --c-muted:#6E6A60;
  --c-line:#DCD6C9;
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --radius-card:6px;
  --radius-btn:4px;
  --shadow-1:0 1px 2px rgba(14,27,24,.06);
  --shadow-2:0 18px 40px -24px rgba(14,27,24,.35);
  --sec-pad:104px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-serif);
  font-weight:700;
  letter-spacing:-0.01em;
  color:var(--c-ink);
  margin:0 0 .5em;
  line-height:1.28;
}
h1{font-size:clamp(34px,5vw,60px);font-weight:900;}
h2{font-size:clamp(26px,3.2vw,40px);}
h3{font-size:21px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--c-brand);text-decoration:none;transition:color .24s cubic-bezier(.2,.7,.2,1);}
a:hover{color:var(--c-accent);}
img{max-width:100%;height:auto;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}

/* ===== 顶部信息条 ===== */
.topbar{
  background:var(--c-brand);
  color:#EDE8DE;
  font-size:13px;
  letter-spacing:.02em;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:32px;
  padding-top:4px;
  padding-bottom:4px;
}
.topbar-left{display:flex;align-items:center;gap:8px;}
.topbar-dot{
  width:6px;height:6px;border-radius:50%;background:var(--c-accent);
  display:inline-block;flex:0 0 auto;
}
.topbar-right{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid rgba(237,232,222,.35);
  border-radius:999px;
  padding:1px 12px;
  font-size:12px;
}

/* ===== 导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,244,238,.96);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:saturate(120%) blur(2px);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--c-brand);
  flex:0 0 auto;
}
.brand:hover{color:var(--c-brand);}
.brand-mark{
  width:26px;height:26px;border-radius:50%;
  border:1.5px solid var(--c-brand);
  position:relative;
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";
  position:absolute;
  width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);
  top:50%;left:50%;
  transform:translate(-50%,-50%);
}
.brand-text{
  font-family:var(--font-serif);
  font-weight:700;
  font-size:18px;
  letter-spacing:-0.01em;
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:28px;
  flex:1 1 auto;
  justify-content:center;
}
.main-nav a{
  position:relative;
  font-size:15px;
  color:#33403C;
  padding:6px 0;
  white-space:nowrap;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  height:2px;width:0;
  background:var(--c-accent);
  transition:width .24s cubic-bezier(.2,.7,.2,1);
}
.main-nav a:hover::after,
.main-nav a.is-active::after{width:100%;}
.main-nav a.is-active{color:var(--c-brand);font-weight:500;}
.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.status-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:12px;
  letter-spacing:.04em;
  color:var(--c-brand);
  background:var(--c-surface);
  border:1px solid var(--c-brand);
  border-radius:999px;
  padding:4px 12px;
  white-space:nowrap;
}
.status-pill i{
  width:6px;height:6px;border-radius:50%;background:var(--c-accent);
  display:inline-block;
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:500;
  font-family:var(--font-sans);
  border:1px solid transparent;
  cursor:pointer;
  text-align:center;
  transition:background-color .24s cubic-bezier(.2,.7,.2,1),color .24s,border-color .24s,transform .24s,box-shadow .24s;
}
.btn-primary{
  background:var(--c-accent);
  color:#fff;
  border-color:var(--c-accent);
}
.btn-primary:hover{
  background:var(--c-accent-dark);
  border-color:var(--c-accent-dark);
  color:#fff;
  transform:translateY(-1px);
}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{
  background:transparent;
  color:var(--c-brand);
  border-color:var(--c-brand);
}
.btn-outline:hover{
  background:var(--c-brand);
  color:#F7F4EE;
}
.btn-outline:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-full{width:100%;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:500;
  color:var(--c-brand);
  border-bottom:2px solid var(--c-accent);
  padding-bottom:2px;
  position:relative;
}
.link-arrow::after{
  content:"";
  position:absolute;
  left:0;bottom:-2px;
  height:2px;width:100%;
  background:var(--c-accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s cubic-bezier(.2,.7,.2,1);
}
.link-arrow:hover::after{transform:scaleX(1);}
.link-arrow:hover{color:var(--c-brand);}

/* ===== 移动端抽屉 ===== */
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--c-line);
  border-radius:var(--radius-btn);
  background:var(--c-surface);
  align-items:center;
  justify-content:center;
  cursor:pointer;
  padding:0;
}
.nav-toggle span{
  display:block;
  width:16px;height:1.5px;
  background:var(--c-brand);
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;left:0;
  width:16px;height:1.5px;background:var(--c-brand);
  transition:transform .2s;
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--c-line);
  background:var(--c-bg);
  padding:20px 0 28px;
}
.mobile-drawer nav{
  display:flex;
  flex-direction:column;
  gap:4px;
  margin-bottom:20px;
}
.mobile-drawer nav a{
  font-family:var(--font-serif);
  font-size:22px;
  font-weight:700;
  color:var(--c-ink);
  padding:10px 0;
  border-bottom:1px solid var(--c-line);
}
.mobile-drawer nav a.is-active{color:var(--c-brand);}
.site-header.nav-open .mobile-drawer{display:block;}

/* ===== 通用板块 ===== */
.sec{padding:var(--sec-pad) 0;}
.sec-tight{padding:72px 0;}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:48px;
}
.sec-head .sec-title-wrap{max-width:660px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--c-brand);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;background:var(--c-accent);
  display:inline-block;
}
.sec-head h2{margin-bottom:12px;}
.sec-lead{
  color:var(--c-muted);
  font-size:16px;
  max-width:640px;
}
.rule{
  height:1px;background:var(--c-line);border:0;margin:0;
}

/* ===== Hero ===== */
.hero{
  padding:64px 0 0;
  background:var(--c-bg);
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:56px;
  align-items:center;
}
.hero-copy h1{margin-bottom:20px;}
.hero-sub{
  font-size:17px;
  color:#3A423E;
  max-width:520px;
  margin-bottom:32px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:18px;
}
.hero-note{
  font-size:13px;
  color:var(--c-muted);
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.hero-note .sep{width:1px;height:12px;background:var(--c-line);display:inline-block;}
.hero-media{
  position:relative;
}
.hero-media .hero-img{
  width:100%;
  aspect-ratio:4/4.3;
  object-fit:cover;
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
}
.hero-float{
  position:absolute;
  left:-18px;
  bottom:22px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-2);
  padding:14px;
  display:flex;
  align-items:center;
  gap:12px;
  min-width:236px;
}
.hero-float img{
  width:52px;height:52px;
  object-fit:cover;
  border-radius:4px;
  flex:0 0 auto;
}
.hero-float .hf-label{
  display:inline-block;
  font-size:11px;
  letter-spacing:.08em;
  color:var(--c-accent);
  border:1px solid var(--c-accent);
  border-radius:2px;
  padding:0 6px;
  margin-bottom:4px;
}
.hero-float .hf-text{
  font-size:13px;
  color:var(--c-ink);
  line-height:1.5;
}
.hero-float .hf-num{
  font-family:var(--font-serif);
  font-weight:700;
  font-size:18px;
  color:var(--c-brand);
}

/* 数据带 */
.stat-strip{
  margin-top:64px;
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat{
  padding:28px 26px;
  border-left:1px solid var(--c-line);
}
.stat:first-child{border-left:0;padding-left:0;}
.stat-num{
  font-family:var(--font-serif);
  font-weight:700;
  font-size:clamp(30px,3.4vw,44px);
  color:var(--c-brand);
  line-height:1.1;
  margin-bottom:6px;
  display:block;
}
.stat-num small{font-size:.5em;font-weight:600;margin-left:2px;}
.stat-text{font-size:13px;color:var(--c-muted);line-height:1.6;}

/* ===== 痛点区 ===== */
.pain-wrap{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:64px;
  align-items:start;
}
.pain-intro p{color:var(--c-muted);font-size:15px;max-width:300px;}
.pain-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  column-gap:48px;
  row-gap:36px;
  border-left:1px solid var(--c-line);
  padding-left:40px;
}
.pain-item{position:relative;}
.pain-num{
  font-family:var(--font-serif);
  font-weight:700;
  font-size:32px;
  color:var(--c-accent);
  line-height:1;
  display:block;
  margin-bottom:10px;
  letter-spacing:-.02em;
}
.pain-item h3{font-size:19px;margin-bottom:8px;}
.pain-item p{font-size:14.5px;color:var(--c-muted);}

/* ===== 解决方案 zig-zag ===== */
.zig{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
  padding:44px 0;
  border-top:1px solid var(--c-line);
}
.zig.reverse .zig-media{order:2;}
.zig-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  transition:transform .5s cubic-bezier(.2,.7,.2,1);
}
.zig-media:hover img{transform:scale(1.03);}
.zig-body h3{font-size:24px;margin-bottom:14px;}
.zig-body p{font-size:15.5px;color:#3E4642;margin-bottom:14px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.tag{
  font-size:12px;
  letter-spacing:.04em;
  color:var(--c-brand);
  border:1px solid var(--c-brand);
  border-radius:2px;
  padding:2px 9px;
  background:transparent;
}
.tag-accent{
  color:var(--c-accent);
  border-color:var(--c-accent);
}

/* ===== 成果区（深色） ===== */
.dark-sec{
  background:var(--c-dark);
  color:#EFEDE6;
}
.dark-sec h2,.dark-sec h3{color:#F7F4EE;}
.dark-sec .eyebrow{color:#C9C2B3;}
.dark-sec .sec-lead{color:#A9A79D;}
.result-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  margin-top:8px;
  border-top:1px solid rgba(247,244,238,.18);
}
.result-item{
  padding:36px 28px 30px;
  border-left:1px solid rgba(247,244,238,.18);
}
.result-item:first-child{border-left:0;padding-left:0;}
.result-num{
  font-family:var(--font-serif);
  font-weight:700;
  font-size:clamp(40px,4.6vw,62px);
  line-height:1;
  color:#F7F4EE;
  display:block;
  margin-bottom:12px;
}
.result-num small{font-size:.42em;font-weight:600;margin-left:3px;color:var(--c-accent);}
.result-text{font-size:14px;color:#A9A79D;line-height:1.65;}
.result-foot{
  margin-top:32px;
  padding-top:20px;
  border-top:1px solid rgba(247,244,238,.18);
  font-size:13px;
  color:#8E8C83;
}

/* ===== 证言 ===== */
.voice-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:56px;
  align-items:start;
}
.voice-main{
  position:relative;
  padding-left:56px;
}
.voice-main::before{
  content:"“";
  position:absolute;
  left:0;top:-18px;
  font-family:var(--font-serif);
  font-size:96px;
  line-height:1;
  color:var(--c-accent);
  opacity:.9;
}
.voice-main blockquote{
  margin:0 0 22px;
  font-family:var(--font-serif);
  font-size:clamp(20px,2.2vw,27px);
  line-height:1.6;
  color:var(--c-ink);
  font-weight:600;
}
.voice-meta{font-size:14px;color:var(--c-muted);line-height:1.9;}
.voice-meta strong{color:var(--c-ink);font-weight:700;display:block;font-size:15px;}
.voice-side{display:flex;flex-direction:column;gap:24px;}
.voice-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-1);
}
.voice-card p{
  font-size:14.5px;
  color:#3E4642;
  margin-bottom:14px;
}
.voice-card .vc-meta{font-size:13px;color:var(--c-muted);}

/* ===== 最新信息（CMS） ===== */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.news-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:24px;
  display:flex;
  flex-direction:column;
  transition:transform .24s cubic-bezier(.2,.7,.2,1),box-shadow .24s;
  min-height:100%;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.news-card.is-feature{
  grid-column:span 2;
  padding:0;
  overflow:hidden;
  flex-direction:row;
}
.news-card.is-feature .news-thumb{
  width:44%;
  flex:0 0 auto;
  overflow:hidden;
}
.news-card.is-feature .news-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s cubic-bezier(.2,.7,.2,1);
}
.news-card.is-feature:hover .news-thumb img{transform:scale(1.03);}
.news-card.is-feature .news-inner{
  padding:28px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.news-badge{
  align-self:flex-start;
  font-size:11px;
  letter-spacing:.06em;
  color:var(--c-brand);
  border:1px solid var(--c-brand);
  border-radius:2px;
  padding:1px 8px;
  margin-bottom:12px;
  display:inline-block;
}
.news-card h3{
  font-size:18px;
  margin-bottom:10px;
  line-height:1.45;
}
.news-card.is-feature h3{font-size:23px;}
.news-card h3 a{color:var(--c-ink);}
.news-card h3 a:hover{color:var(--c-accent);}
.news-excerpt{
  font-size:14px;
  color:var(--c-muted);
  line-height:1.7;
  margin-bottom:16px;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--c-line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12.5px;
  color:var(--c-muted);
}
.news-foot .nf-more{color:var(--c-accent);font-weight:500;}
.news-foot .nf-more:hover{color:var(--c-accent-dark);}
.news-empty{
  grid-column:1 / -1;
  text-align:center;
  padding:56px 24px;
  border:1px dashed var(--c-line);
  border-radius:var(--radius-card);
  background:var(--c-surface);
}
.news-empty p{color:var(--c-muted);font-size:15px;margin-bottom:18px;}

/* ===== FAQ ===== */
.faq-wrap{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:64px;
  align-items:start;
}
.faq-side p{color:var(--c-muted);font-size:15px;margin-bottom:20px;}
.faq .accordion{
  background:transparent;
  border:0;
  margin:0;
}
.faq .accordion-item{
  background:transparent;
  border:0;
  border-top:1px solid var(--c-line);
}
.faq .accordion-item:last-child{border-bottom:1px solid var(--c-line);}
.faq .accordion-title{
  font-family:var(--font-serif);
  font-size:17px;
  font-weight:700;
  color:var(--c-ink);
  border:0;
  padding:24px 44px 24px 0;
  line-height:1.5;
  transition:color .24s;
}
.faq .accordion-title:hover{color:var(--c-brand);}
.faq .accordion-title::before{
  content:"+";
  right:4px;
  left:auto;
  top:22px;
  margin:0;
  width:auto;
  height:auto;
  color:var(--c-accent);
  font-size:24px;
  font-weight:400;
  line-height:1;
  background:transparent;
}
.faq .accordion-item.is-active .accordion-title::before{content:"−";}
.faq .accordion-content{
  border:0;
  background:transparent;
  padding:0 44px 26px 0;
  color:var(--c-muted);
  font-size:15px;
  line-height:1.8;
}

/* ===== 底部 CTA ===== */
.cta-band{
  background:var(--c-surface);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
}
.cta-inner{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;
  align-items:center;
  padding:80px 0;
}
.cta-inner h2{margin-bottom:14px;}
.cta-inner p{color:var(--c-muted);font-size:15.5px;max-width:520px;}
.cta-list{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-bottom:26px;
}
.cta-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14.5px;
  color:#3E4642;
}
.cta-list li::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--c-accent);
  margin-top:9px;
  flex:0 0 auto;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--c-dark);
  color:#CFCABF;
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,2fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1.2fr);
  gap:48px;
  padding-bottom:56px;
}
.footer-brand .brand{color:#F7F4EE;margin-bottom:16px;}
.footer-brand .brand-mark{border-color:#F7F4EE;}
.footer-brand p{font-size:14px;color:#9E9C92;line-height:1.8;max-width:280px;}
.footer-col h4{
  font-family:var(--font-sans);
  font-size:13px;
  letter-spacing:.12em;
  color:#8E8C83;
  font-weight:500;
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:#DCD8CE;font-size:14px;}
.footer-col a:hover{color:var(--c-accent);}
.footer-col p{font-size:14px;color:#DCD8CE;line-height:1.8;margin-bottom:8px;}
.footer-col .f-muted{color:#8E8C83;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(247,244,238,.14);
  padding:22px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  font-size:12px;
  color:#8E8C83;
  flex-wrap:wrap;
}
.footer-bottom a{color:#8E8C83;}
.footer-bottom a:hover{color:#DCD8CE;}

/* ===== 动效 ===== */
.reveal{transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1);}
.js-reveal .reveal{opacity:0;transform:translateY(12px);}
.js-reveal .reveal.is-in{opacity:1;transform:none;}

/* ===== Foundation 覆盖 ===== */
.grid-x{margin-left:0;margin-right:0;}
.grid-x>.cell{padding-left:0;padding-right:0;}
.accordion-title{font-size:inherit;}

/* ===== 响应式 ===== */
@media (max-width:1180px){
  .main-nav{gap:20px;}
  .status-pill{display:none;}
}
@media (max-width:1023px){
  :root{--sec-pad:76px;}
  .container{padding-left:24px;padding-right:24px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-media .hero-img{aspect-ratio:16/10;}
  .hero-float{left:auto;right:12px;bottom:12px;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .stat{border-left:0;border-top:1px solid var(--c-line);padding:22px 0;}
  .stat:nth-child(2n){padding-left:24px;border-left:1px solid var(--c-line);}
  .stat:first-child,.stat:nth-child(2){border-top:0;}
  .pain-wrap{grid-template-columns:1fr;gap:36px;}
  .pain-intro p{max-width:none;}
  .pain-list{padding-left:28px;}
  .zig{grid-template-columns:1fr;gap:28px;padding:36px 0;}
  .zig.reverse .zig-media{order:0;}
  .result-grid{grid-template-columns:1fr 1fr;}
  .result-item{border-left:0;border-top:1px solid rgba(247,244,238,.18);padding:26px 0;}
  .result-item:nth-child(2n){padding-left:24px;border-left:1px solid rgba(247,244,238,.18);}
  .result-item:first-child,.result-item:nth-child(2){border-top:0;}
  .voice-grid{grid-template-columns:1fr;gap:36px;}
  .news-grid{grid-template-columns:1fr 1fr;}
  .news-card.is-feature{grid-column:span 2;flex-direction:column;}
  .news-card.is-feature .news-thumb{width:100%;aspect-ratio:16/9;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;gap:32px;padding:64px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{gap:14px;}
}
@media (max-width:640px){
  :root{--sec-pad:56px;}
  .container{padding-left:20px;padding-right:20px;}
  .topbar{display:none;}
  .header-inner{height:64px;}
  .brand-text{font-size:16px;}
  .header-actions .btn{display:none;}
  .hero{padding-top:36px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-note{font-size:12.5px;gap:8px;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .stat-num{font-size:30px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px;}
  .pain-list{grid-template-columns:1fr;padding-left:18px;row-gap:28px;}
  .result-grid{grid-template-columns:1fr;}
  .result-item{padding:22px 0 !important;border-left:0 !important;border-top:1px solid rgba(247,244,238,.18);}
  .result-item:first-child{border-top:0;}
  .news-grid{grid-template-columns:1fr;}
  .news-card.is-feature{grid-column:span 1;}
  .voice-main{padding-left:0;padding-top:44px;}
  .voice-main::before{top:-10px;left:-4px;font-size:72px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .faq .accordion-title{font-size:16px;padding:20px 36px 20px 0;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  .js-reveal .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --c-brand:#0E3B33;
  --c-dark:#0E1B18;
  --c-accent:#E2603A;
  --c-accent-dark:#C74E2C;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-ink:#1A1C1A;
  --c-muted:#6E6A60;
  --c-line:#DCD6C9;
  --r-card:6px;
  --r-btn:4px;
  --sh-1:0 1px 2px rgba(14,27,24,.06);
  --sh-2:0 18px 40px -24px rgba(14,27,24,.35);
  --ff-serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --ff-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;background:var(--c-bg);color:var(--c-ink);font-family:var(--ff-sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;}
img{display:block;max-width:100%;height:auto;border-radius:var(--r-card);}
a{color:var(--c-brand);text-decoration:none;}
button{font:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.container-narrow{width:100%;max-width:760px;margin:0 auto;padding:0 32px;}
h1,h2,h3,h4{font-family:var(--ff-serif);font-weight:700;letter-spacing:-.01em;color:var(--c-ink);margin:0;line-height:1.28;}
p{margin:0;}

/* 顶部信息条 */
.topbar{background:var(--c-brand);color:#EFEAE0;font-size:13px;line-height:1;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:32px;padding-top:7px;padding-bottom:7px;}
.topbar-tag{display:inline-flex;align-items:center;gap:8px;padding:4px 10px;border:1px solid rgba(247,244,238,.35);border-radius:999px;font-size:12px;white-space:nowrap;}
.topbar-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}

/* 导航 */
.site-header{position:sticky;top:0;z-index:200;background:rgba(247,244,238,.96);backdrop-filter:saturate(120%) blur(4px);border-bottom:1px solid var(--c-line);}
.header-inner{display:flex;align-items:center;gap:32px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{position:relative;width:26px;height:26px;border:1.5px solid var(--c-brand);border-radius:50%;display:inline-block;}
.brand-mark::after{content:"";position:absolute;left:50%;top:50%;width:6px;height:6px;margin:-3px 0 0 -3px;border-radius:50%;background:var(--c-accent);}
.brand-text{font-family:var(--ff-serif);font-weight:700;font-size:18px;color:var(--c-brand);letter-spacing:0;}
.main-nav{display:flex;align-items:center;gap:28px;flex:1 1 auto;}
.main-nav a{position:relative;display:inline-block;padding:6px 2px;font-size:15px;color:#33403C;transition:color .2s;}
.main-nav a::after{content:"";position:absolute;left:0;bottom:-1px;width:100%;height:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .24s cubic-bezier(.2,.7,.2,1);}
.main-nav a:hover{color:var(--c-brand);}
.main-nav a:hover::after,.main-nav a.is-active::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--c-brand);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.status-pill{display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 12px;border:1px solid var(--c-brand);border-radius:999px;background:#fff;font-size:12px;color:var(--c-brand);letter-spacing:.04em;white-space:nowrap;}
.status-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.menu-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;color:var(--c-brand);}
.menu-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

/* 移动抽屉 */
.mobile-drawer{position:fixed;inset:0;z-index:300;background:var(--c-bg);padding:22px 24px 32px;display:none;flex-direction:column;}
.mobile-drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--c-line);padding-bottom:18px;}
.drawer-close{width:40px;height:40px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;color:var(--c-brand);font-size:20px;line-height:1;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:26px 0;flex:1 1 auto;}
.drawer-nav a{font-family:var(--ff-serif);font-size:24px;font-weight:700;padding:12px 0;color:var(--c-ink);border-bottom:1px solid var(--c-line);}
.drawer-nav a.is-active{color:var(--c-brand);}
.drawer-foot{display:flex;flex-direction:column;gap:12px;}
.drawer-foot p{font-size:13px;color:var(--c-muted);}

/* 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:var(--r-btn);font-size:15px;font-weight:600;transition:background .2s,color .2s,border-color .2s,transform .18s,box-shadow .2s;white-space:nowrap;}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-accent-dark);transform:translateY(-1px);box-shadow:var(--sh-2);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{border-color:var(--c-brand);color:var(--c-brand);background:transparent;}
.btn-ghost:hover{background:var(--c-brand);color:#F7F4EE;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-brand);border-bottom:2px solid var(--c-accent);padding-bottom:2px;transition:color .2s,letter-spacing .2s;}
.link-more:hover{color:var(--c-accent);letter-spacing:.02em;}

/* 文章头部 */
.article-wrap{padding:40px 0 0;}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-muted);margin-bottom:28px;overflow:hidden;}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:56%;color:#4A4E48;}
.article-head{max-width:760px;margin:0 auto;}
.post-badge{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;color:var(--c-brand);border:1px solid var(--c-brand);border-radius:3px;padding:4px 10px;margin-bottom:22px;}
.post-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.article-title{font-size:clamp(28px,3.6vw,44px);line-height:1.3;letter-spacing:-.01em;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;font-size:13px;color:var(--c-muted);}
.article-meta .dot-sep{width:4px;height:4px;border-radius:50%;background:var(--c-line);}
.article-rule{height:1px;background:var(--c-line);margin:32px 0 0;}

/* 正文布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 200px;gap:64px;justify-content:center;padding:48px 0 0;}
.article-body{font-size:17px;line-height:1.9;color:#22251F;word-break:break-word;}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;font-size:17px;line-height:1.9;}
.article-body h2{position:relative;font-size:clamp(23px,2.6vw,30px);margin:2em 0 .75em;padding-top:.2em;}
.article-body h2::before{content:"";display:block;width:36px;height:2px;background:var(--c-accent);margin-bottom:16px;}
.article-body h3{font-size:21px;margin:1.7em 0 .6em;}
.article-body h4{font-size:18px;margin:1.5em 0 .5em;}
.article-body a{color:var(--c-brand);border-bottom:1px solid rgba(226,96,58,.5);}
.article-body a:hover{color:var(--c-accent);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;line-height:1.9;}
.article-body li{margin-bottom:.4em;}
.article-body blockquote{margin:1.6em 0;padding:6px 0 6px 22px;border-left:3px solid var(--c-brand);font-family:var(--ff-serif);font-size:18px;color:#3C4A45;line-height:1.8;}
.article-body img{margin:1.6em 0;border-radius:var(--r-card);width:100%;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--c-muted);margin-top:10px;text-align:center;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2em 0;}
.article-body strong{font-weight:700;color:#111;}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 12px;text-align:left;}
.article-body th{background:#F1ECE1;font-weight:600;}
.article-end{height:1px;background:var(--c-line);margin:56px 0 0;}

/* 侧边目录 */
.article-side{padding-top:6px;}
.toc{position:sticky;top:110px;}
.toc h2{font-size:13px;font-family:var(--ff-sans);font-weight:600;letter-spacing:.08em;color:var(--c-muted);margin-bottom:14px;text-transform:none;}
.toc-list{display:flex;flex-direction:column;gap:10px;border-left:1px solid var(--c-line);padding-left:16px;}
.toc-list a{font-size:13px;color:var(--c-muted);line-height:1.5;transition:color .2s;}
.toc-list a:hover{color:var(--c-brand);}

/* 相关内容 */
.related{padding:56px 0 0;max-width:760px;margin:0 auto;}
.sec-title-sm{font-size:20px;margin-bottom:8px;}
.related-list{list-style:none;margin:12px 0 28px;padding:0;}
.related-list li{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;padding:18px 0;border-bottom:1px solid var(--c-line);}
.related-list a{font-size:17px;font-weight:600;color:var(--c-ink);transition:color .2s;}
.related-list a:hover{color:var(--c-accent);}
.related-list .meta{font-size:13px;color:var(--c-muted);margin-left:auto;}
.related-foot{display:flex;flex-wrap:wrap;gap:12px;}

/* 空态 */
.empty-state{max-width:640px;margin:0 auto;padding:72px 0 96px;text-align:center;}
.empty-state h1{font-size:clamp(26px,3.2vw,36px);margin-bottom:16px;}
.empty-state p{color:var(--c-muted);font-size:16px;margin-bottom:28px;}

/* FAQ */
.faq-section{padding:96px 0 0;}
.sec-head{max-width:720px;margin-bottom:36px;}
.sec-eyebrow{display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--c-accent);font-weight:600;margin-bottom:14px;}
.sec-title{font-size:clamp(26px,3.2vw,40px);}
.sec-desc{margin-top:16px;font-size:16px;color:var(--c-muted);max-width:620px;}
.custom-acc{list-style:none;margin:0;padding:0;background:transparent;border-top:1px solid var(--c-line);}
.custom-acc .accordion-item{border-bottom:1px solid var(--c-line);background:transparent;}
.custom-acc .accordion-title{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0;border:0;background:transparent;font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.5;transition:color .2s;}
.custom-acc .accordion-title:hover{color:var(--c-brand);}
.custom-acc .accordion-title::before{display:none;}
.custom-acc .accordion-title::after{content:"+";font-size:22px;font-weight:400;color:var(--c-accent);line-height:1;margin-left:auto;flex:0 0 auto;}
.custom-acc .accordion-item.is-active .accordion-title::after{content:"−";}
.custom-acc .accordion-content{padding:0 0 22px;border:0;background:transparent;font-size:15px;color:var(--c-muted);line-height:1.85;display:block;}

/* CTA */
.cta-section{padding:96px 0;}
.cta-box{position:relative;background:var(--c-dark);color:#F1ECE1;border-radius:var(--r-card);padding:64px 56px;overflow:hidden;}
.cta-box::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border:1px solid rgba(226,96,58,.35);border-radius:50%;}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center;}
.cta-box h2{color:#F7F4EE;font-size:clamp(26px,3vw,36px);}
.cta-box p{color:#B9B4A8;margin-top:16px;font-size:16px;line-height:1.8;max-width:480px;}
.cta-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.cta-list li{display:flex;gap:10px;font-size:14px;color:#D8D3C6;}
.cta-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);margin-top:9px;flex:0 0 auto;}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.cta-note{font-size:13px;color:#8F8A7E;}

/* 页脚 */
.site-footer{background:var(--c-dark);color:#EFEAE0;padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text{color:#F7F4EE;}
.footer-brand .brand-mark{border-color:#F7F4EE;}
.footer-brand p{font-size:14px;color:#A9A498;line-height:1.85;max-width:320px;}
.footer-col h4{font-size:14px;font-family:var(--ff-sans);font-weight:600;letter-spacing:.06em;color:#F7F4EE;margin-bottom:16px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col p{font-size:14px;color:#A9A498;margin-bottom:10px;line-height:1.7;}
.footer-col a{color:#C9C3B6;transition:color .2s;}
.footer-col a:hover{color:var(--c-accent);}
.f-muted{color:#7E796E !important;font-size:13px !important;}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:48px;padding-top:22px;border-top:1px solid rgba(247,244,238,.16);font-size:12px;color:#8F8A7E;}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation:none !important;}
}

/* 响应式 */
@media (max-width:1180px){
  .article-layout{grid-template-columns:minmax(0,760px);}
  .article-side{display:none;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .menu-toggle{display:inline-flex;}
  .status-pill{display:none;}
  .header-inner{min-height:64px;gap:16px;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-box{padding:48px 32px;}
  .faq-section{padding:72px 0 0;}
  .cta-section{padding:72px 0;}
}
@media (max-width:767px){
  .container,.container-narrow{padding:0 20px;}
  .topbar-inner{font-size:12px;}
  .topbar-tag{display:none;}
  .brand-text{font-size:16px;}
  .header-actions .btn{display:none;}
  .article-wrap{padding-top:28px;}
  .article-layout{padding-top:32px;}
  .article-body,.article-body p{font-size:16px;}
  .related-list li{gap:8px;}
  .related-list .meta{margin-left:0;width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-box{padding:40px 24px;}
  .cta-box::after{display:none;}
}
@media (max-width:520px){
  .btn{width:100%;}
  .header-actions .btn{display:none;}
  .related-foot .btn{width:100%;}
  .article-title{font-size:26px;}
}

/* roulang page: category1 */
:root{
  --c-brand:#0E3B33;
  --c-brand-soft:#17554A;
  --c-accent:#E2603A;
  --c-accent-dark:#C74E2C;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-dark:#0E1B18;
  --c-ink:#1A1C1A;
  --c-muted:#6E6A60;
  --c-line:#DCD6C9;
  --r-card:6px;
  --r-btn:4px;
  --shadow-1:0 1px 2px rgba(14,27,24,.06);
  --shadow-2:0 18px 40px -24px rgba(14,27,24,.35);
  --container:1200px;
  --font-serif:"Noto Serif SC","Songti SC",Songti,Georgia,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;background-color:transparent;}
a:hover,a:focus{color:inherit;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,h5{margin:0;font-family:var(--font-serif);font-weight:700;color:var(--c-ink);line-height:1.3;letter-spacing:-.01em;}
::selection{background:rgba(226,96,58,.22);color:var(--c-ink);}

.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:32px;padding-right:32px;}

/* ===== 顶部信息条 ===== */
.topbar{background:var(--c-brand);color:#EFEAE0;font-size:13px;letter-spacing:.01em;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:20px;height:32px;}
.topbar-left{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-right{display:inline-flex;align-items:center;gap:7px;color:#F3C7B5;white-space:nowrap;}
.topbar-right::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:none;}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:200;
  background:var(--c-bg);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-serif);font-weight:700;font-size:18px;
  color:var(--c-ink);letter-spacing:-.01em;flex:none;
}
.brand-mark{
  position:relative;width:20px;height:20px;flex:none;
  border:2px solid var(--c-brand);border-radius:50%;
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;
  width:6px;height:6px;border-radius:50%;background:var(--c-accent);
  transform:translate(-50%,-50%);
}
.main-nav{display:flex;align-items:center;gap:2px;}
.main-nav a{
  position:relative;display:inline-block;
  padding:9px 14px;font-size:15px;font-weight:500;color:var(--c-ink);
  border-radius:4px;transition:color .2s ease,background-color .2s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-accent);
  transform:scaleX(0);transform-origin:left;
  transition:transform .26s cubic-bezier(.2,.7,.2,1);
}
.main-nav a:hover{color:var(--c-brand);background:rgba(14,59,51,.05);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--c-brand);font-weight:700;}
.main-nav a.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex:none;}
.status-pill{
  display:inline-flex;align-items:center;gap:7px;
  height:28px;padding:0 12px;font-size:12px;letter-spacing:.04em;
  color:var(--c-brand);background:var(--c-surface);
  border:1px solid rgba(14,59,51,.25);border-radius:999px;white-space:nowrap;
}
.status-pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:none;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:4px;
  border:1px solid var(--c-line);background:var(--c-surface);
  transition:border-color .2s ease;
}
.nav-toggle:hover{border-color:var(--c-brand);}
.nav-toggle span{display:block;position:relative;width:18px;height:2px;background:var(--c-ink);transition:background .2s ease;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);
  transition:transform .24s ease,top .24s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{top:0;transform:rotate(45deg);}
.nav-toggle.is-open span::after{top:0;transform:rotate(-45deg);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  font-family:var(--font-sans);font-size:15px;font-weight:700;letter-spacing:.01em;
  border-radius:var(--r-btn);border:1px solid transparent;
  transition:background-color .22s ease,color .22s ease,transform .18s ease,border-color .22s ease,box-shadow .22s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.btn-primary{background:var(--c-accent);color:#FFF8F3;}
.btn-primary:hover{background:var(--c-accent-dark);color:#FFF8F3;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--c-brand);border-color:var(--c-brand);}
.btn-ghost:hover{background:var(--c-brand);color:#F7F4EE;transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:var(--c-surface);color:var(--c-brand);border-color:var(--c-surface);}
.btn-light:hover{background:#EFEAE0;color:var(--c-brand);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ===== 文字链 ===== */
.link-arrow{
  position:relative;display:inline-block;
  margin-top:8px;padding-bottom:2px;
  font-size:14.5px;font-weight:700;color:var(--c-brand);
  transition:color .2s ease;
}
.link-arrow::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-accent);
  transform:scaleX(0);transform-origin:left;
  transition:transform .26s cubic-bezier(.2,.7,.2,1);
}
.link-arrow:hover{color:var(--c-brand-soft);}
.link-arrow:hover::after{transform:scaleX(1);}
.link-arrow:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:2px;}

/* ===== 通用板块 ===== */
.section{padding:104px 0;}
.section-tight{padding:80px 0;}
.section-head{max-width:760px;margin-bottom:52px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  margin-bottom:18px;padding:5px 13px;
  font-size:12.5px;font-weight:500;letter-spacing:.06em;color:var(--c-brand);
  border:1px solid rgba(14,59,51,.26);border-radius:999px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:none;}
.section-title{font-size:clamp(26px,3.2vw,40px);line-height:1.28;}
.section-sub{margin-top:18px;font-size:16px;line-height:1.85;color:var(--c-muted);max-width:660px;}

/* ===== 首屏 ===== */
.page-hero{
  padding:40px 0 88px;
  background:var(--c-bg);
  border-bottom:1px solid var(--c-line);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin-bottom:44px;font-size:13px;color:var(--c-muted);
}
.breadcrumb a{transition:color .2s ease;}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb .sep{color:#C3BCAC;}
.breadcrumb .current{color:var(--c-ink);}
.hero-h1{
  font-size:clamp(34px,5vw,58px);
  line-height:1.16;
  max-width:15em;
  letter-spacing:-.015em;
}
.h1-accent{color:var(--c-brand);background-image:linear-gradient(transparent 68%,rgba(226,96,58,.24) 68%);}
.hero-lead{
  margin-top:24px;max-width:640px;
  font-size:17px;line-height:1.85;color:var(--c-muted);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-note{margin-top:18px;font-size:13px;color:#8A857A;letter-spacing:.01em;}

/* ===== 服务条目 ===== */
.svc-list{border-top:1px solid var(--c-line);}
.svc-row{
  display:grid;grid-template-columns:110px minmax(0,1fr);
  gap:44px;padding:42px 0;
  border-bottom:1px solid var(--c-line);
  transition:background-color .24s ease;
}
.svc-row:hover{background:rgba(255,255,255,.6);}
.svc-row:nth-child(even){grid-template-columns:minmax(0,1fr) 110px;}
.svc-row:nth-child(even) .svc-no{order:2;text-align:right;}
.svc-no{
  font-family:var(--font-serif);font-weight:700;
  font-size:clamp(30px,3.6vw,44px);line-height:1;
  color:var(--c-brand);letter-spacing:-.02em;
}
.svc-body h3{font-size:21px;margin-bottom:14px;}
.svc-body p{font-size:15.5px;line-height:1.85;color:var(--c-muted);max-width:660px;margin-bottom:10px;}

/* ===== 图文分栏 ===== */
.split{
  display:grid;grid-template-columns:1.02fr 1fr;
  gap:60px;align-items:center;
  margin-left:0;margin-right:0;
}
.split > .cell{padding-left:0;padding-right:0;width:auto;min-width:0;}
.split-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--shadow-1);
  aspect-ratio:4/3;background:var(--c-surface);
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.split-media:hover img{transform:scale(1.03);}
.float-card{
  position:absolute;right:18px;bottom:18px;
  display:flex;align-items:center;gap:12px;
  padding:12px 16px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-2);
}
.float-card img{width:52px;height:52px;border-radius:4px;object-fit:cover;flex:none;}
.float-card .fc-tag{font-size:11.5px;letter-spacing:.06em;color:var(--c-muted);display:block;}
.float-card .fc-strong{font-family:var(--font-serif);font-size:16px;font-weight:700;color:var(--c-brand);display:block;line-height:1.4;}
.split-body h2{font-size:clamp(25px,3vw,36px);line-height:1.32;margin-bottom:22px;}
.split-body p{font-size:16px;line-height:1.85;color:var(--c-muted);}
.check-list{margin-top:24px;}
.check-list li{
  position:relative;padding-left:22px;margin-bottom:12px;
  font-size:15px;line-height:1.8;color:var(--c-ink);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:7px;height:7px;border-radius:2px;background:var(--c-accent);
}
.check-list li span{color:var(--c-muted);}

/* ===== 时间线 ===== */
.timeline-wrap{position:relative;margin-top:20px;}
.timeline{
  display:grid;grid-template-columns:repeat(3,1fr);
  margin-left:0;margin-right:0;
  position:relative;
}
.timeline > .cell{padding-left:0;padding-right:0;width:auto;min-width:0;}
.timeline::before{
  content:"";position:absolute;top:7px;left:0;right:0;height:1px;background:var(--c-line);
}
.tl-item{position:relative;padding:44px 44px 0 0;}
.tl-dot{
  position:absolute;top:0;left:0;width:15px;height:15px;border-radius:50%;
  background:var(--c-bg);border:2px solid var(--c-brand);
}
.tl-dot::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:5px;height:5px;border-radius:50%;background:var(--c-accent);
}
.tl-step{
  display:block;font-size:12.5px;letter-spacing:.08em;
  color:var(--c-muted);margin-bottom:10px;
}
.tl-item h3{font-size:20px;margin-bottom:12px;}
.tl-item p{font-size:15px;line-height:1.85;color:var(--c-muted);max-width:280px;}

/* ===== 服务标准 ===== */
.stats-band{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  display:grid;grid-template-columns:repeat(4,1fr);
  overflow:hidden;margin-left:0;margin-right:0;
}
.stats-band > .cell{padding:34px 26px;border-right:1px solid var(--c-line);width:auto;min-width:0;}
.stats-band > .cell:last-child{border-right:0;}
.stat-num{
  font-family:var(--font-serif);font-weight:700;
  font-size:clamp(32px,4vw,46px);line-height:1.05;color:var(--c-brand);
  letter-spacing:-.02em;
}
.stat-label{margin-top:12px;font-size:14px;line-height:1.7;color:var(--c-muted);}

/* ===== FAQ ===== */
.faq-acc{
  margin:0;background:transparent;
  border-top:1px solid var(--c-line);
  max-width:860px;
}
.faq-acc .accordion-item{
  background:transparent;border-bottom:1px solid var(--c-line);
}
.faq-acc .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  width:100%;padding:24px 0;margin:0;
  background:transparent;border:0;color:var(--c-ink);
  font-family:var(--font-serif);font-size:17px;font-weight:700;line-height:1.6;text-align:left;
  transition:color .2s ease;
}
.faq-acc .accordion-title:hover{color:var(--c-brand);}
.faq-acc .accordion-title:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;}
.faq-acc .accordion-title .fc-icon{
  position:relative;flex:none;width:16px;height:16px;
}
.faq-acc .accordion-title .fc-icon::before,
.faq-acc .accordion-title .fc-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--c-accent);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .22s ease,opacity .22s ease;
}
.faq-acc .accordion-title .fc-icon::before{width:14px;height:2px;}
.faq-acc .accordion-title .fc-icon::after{width:2px;height:14px;}
.faq-acc .accordion-item.is-active .accordion-title .fc-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-acc .accordion-content{
  display:none;padding:0 0 24px;background:transparent;border:0;
  font-size:15px;line-height:1.85;color:var(--c-muted);max-width:720px;
}
.faq-acc .accordion-item.is-active > .accordion-content{display:block;}

/* ===== CTA ===== */
.cta-section{background:var(--c-dark);padding:92px 0;}
.cta-grid{
  display:grid;grid-template-columns:1.5fr 1fr;
  gap:48px;align-items:center;
}
.cta-grid h2{
  color:#F7F4EE;font-size:clamp(27px,3.4vw,42px);line-height:1.28;
}
.cta-grid .cta-sub{
  margin-top:18px;font-size:16px;line-height:1.85;color:#A9A79F;max-width:560px;
}
.cta-panel{
  border:1px solid rgba(247,244,238,.18);
  border-radius:var(--r-card);padding:30px 28px;
}
.cta-panel .cp-line{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14.5px;color:#D9D5CB;margin-bottom:12px;
}
.cta-panel .cp-line::before{
  content:"";flex:none;margin-top:9px;width:6px;height:6px;border-radius:50%;background:var(--c-accent);
}
.cta-panel .cp-note{
  margin-top:18px;padding-top:16px;
  border-top:1px solid rgba(247,244,238,.14);
  font-size:12.5px;color:#8A877F;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-dark);color:#D9D5CB;padding:76px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.7fr 1fr 1.1fr 1.2fr;
  gap:44px;padding-bottom:54px;
}
.footer-brand .brand{color:#F7F4EE;margin-bottom:18px;}
.footer-brand .brand-mark{border-color:#F7F4EE;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#A9A79F;max-width:330px;}
.footer-col h4{
  font-family:var(--font-serif);font-size:16px;color:#F7F4EE;
  margin-bottom:18px;letter-spacing:0;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14.5px;color:#C6C2B8;transition:color .2s ease;}
.footer-col a:hover{color:var(--c-accent);}
.footer-col p{font-size:14.5px;line-height:1.8;color:#A9A79F;margin-bottom:8px;}
.footer-col .f-muted{color:#8A877F;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(247,244,238,.14);
  padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:12.5px;color:#8A877F;
}

/* ===== 进场动画 ===== */
html.js .reveal{opacity:0;transform:translateY(12px);}
html.js .reveal.is-visible{
  opacity:1;transform:none;
  transition:opacity .62s ease,transform .62s cubic-bezier(.2,.7,.2,1);
}

/* ===== 响应式 ===== */
@media (max-width:1100px){
  .split{gap:44px;}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:36px;}
  .footer-brand{grid-column:1 / -1;margin-bottom:6px;}
}
@media (max-width:1023px){
  .container{padding-left:28px;padding-right:28px;}
  .section{padding:80px 0;}
  .page-hero{padding:32px 0 68px;}
  .nav-toggle{display:inline-flex;}
  .status-pill{display:none;}
  .header-actions .btn{display:none;}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:var(--c-bg);
    border-top:1px solid var(--c-line);
    border-bottom:1px solid var(--c-line);
    padding:18px 28px 30px;
    max-height:calc(100vh - 72px);
    overflow-y:auto;
    box-shadow:var(--shadow-2);
  }
  .main-nav.is-open{display:flex;}
  .main-nav a{
    padding:18px 0;font-family:var(--font-serif);font-size:22px;font-weight:700;
    border-radius:0;border-bottom:1px solid var(--c-line);
  }
  .main-nav a::after{left:0;right:auto;width:34px;bottom:10px;}
  .main-nav a:hover{background:transparent;}
  .split{grid-template-columns:1fr;gap:34px;}
  .timeline{grid-template-columns:1fr;}
  .timeline::before{top:0;bottom:0;left:7px;right:auto;width:1px;height:auto;}
  .tl-item{padding:0 0 34px 34px;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-dot{top:4px;}
  .tl-item p{max-width:none;}
  .stats-band{grid-template-columns:repeat(2,1fr);}
  .stats-band > .cell{padding:28px 22px;}
  .stats-band > .cell:nth-child(2){border-right:0;}
  .stats-band > .cell:nth-child(-n+2){border-bottom:1px solid var(--c-line);}
  .cta-grid{grid-template-columns:1fr;gap:34px;}
  .cta-panel{max-width:520px;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .container{padding-left:20px;padding-right:20px;}
  .topbar{display:none;}
  .header-inner{height:64px;gap:14px;}
  .brand{font-size:16.5px;}
  .section{padding:58px 0;}
  .page-hero{padding:26px 0 54px;}
  .breadcrumb{margin-bottom:28px;font-size:12.5px;}
  .hero-lead{margin-top:20px;font-size:16px;}
  .hero-actions{margin-top:26px;}
  .hero-actions .btn{width:100%;}
  .svc-row,
  .svc-row:nth-child(even){grid-template-columns:1fr;gap:16px;padding:32px 0;}
  .svc-row:nth-child(even) .svc-no{order:0;text-align:left;}
  .svc-no{font-size:28px;}
  .svc-body h3{font-size:19px;}
  .section-head{margin-bottom:34px;}
  .float-card{right:12px;bottom:12px;padding:10px 12px;gap:10px;}
  .float-card img{width:42px;height:42px;}
  .timeline::before{left:7px;}
  .cta-section{padding:60px 0;}
  .cta-actions .btn{width:100%;}
  .stats-band{grid-template-columns:1fr;}
  .stats-band > .cell{border-right:0;border-bottom:1px solid var(--c-line);}
  .stats-band > .cell:last-child{border-bottom:0;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .site-footer{padding-top:52px;}
  .faq-acc .accordion-title{font-size:16px;padding:20px 0;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html.js .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --c-brand:#0E3B33;
  --c-brand-soft:#1B5148;
  --c-accent:#E2603A;
  --c-accent-dark:#C74E2B;
  --c-bg:#F7F4EE;
  --c-bg-alt:#F1EDE3;
  --c-surface:#FFFFFF;
  --c-dark:#0E1B18;
  --c-ink:#1A1C1A;
  --c-muted:#6E6A60;
  --c-line:#DCD6C9;
  --r-card:6px;
  --r-btn:4px;
  --shadow-1:0 1px 2px rgba(14,27,24,.06);
  --shadow-2:0 18px 40px -24px rgba(14,27,24,.35);
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-brand);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--c-accent);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;letter-spacing:-.01em;color:var(--c-ink);margin:0;line-height:1.28;}
p{margin:0;}
button{font-family:inherit;}
::selection{background:rgba(226,96,58,.22);}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--c-brand);
  color:#EFEAE0;
  font-size:13px;
  letter-spacing:.01em;
  height:32px;
  display:flex;
  align-items:center;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:8px;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:#8FD3B5;display:inline-block;}
.topbar-badge{
  border:1px solid rgba(239,234,224,.4);
  border-radius:3px;
  padding:1px 8px;
  font-size:12px;
  letter-spacing:.04em;
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,244,238,.96);
  backdrop-filter:saturate(120%) blur(6px);
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-brand);}
.brand:hover{color:var(--c-brand);}
.brand-mark{
  width:22px;height:22px;border:1.5px solid var(--c-brand);border-radius:50%;
  position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);top:50%;left:50%;transform:translate(-50%,-50%);
}
.brand-text{font-family:var(--font-serif);font-size:18px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  color:var(--c-ink);
  border-radius:var(--r-btn);
  transition:color .24s var(--ease),background .24s var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.main-nav a:hover{color:var(--c-brand);background:rgba(14,59,51,.05);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--c-brand);font-weight:500;}
.main-nav a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.status-pill{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid var(--c-brand);
  background:var(--c-surface);
  color:var(--c-brand);
  font-size:12px;
  letter-spacing:.04em;
  border-radius:999px;
  padding:4px 12px;
  white-space:nowrap;
}
.status-pill i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  font-size:15px;font-weight:500;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 1px 2px rgba(14,27,24,.08);}
.btn-primary:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px -14px rgba(226,96,58,.9);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-brand);border-color:var(--c-brand);}
.btn-ghost:hover{background:rgba(14,59,51,.06);color:var(--c-brand);transform:translateY(-1px);}
.btn-ghost.on-dark{color:#F3EFE6;border-color:rgba(243,239,230,.5);}
.btn-ghost.on-dark:hover{background:rgba(243,239,230,.1);color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:500;color:var(--c-brand);
  position:relative;padding-bottom:2px;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.link-arrow:hover{color:var(--c-brand);}
.link-arrow:hover::after{transform:scaleX(1);}
.link-arrow span{transition:transform .24s var(--ease);}
.link-arrow:hover span{transform:translateX(3px);}

/* ---------- 移动端菜单按钮与抽屉 ---------- */
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  background:var(--c-surface);
  cursor:pointer;
  align-items:center;justify-content:center;
  padding:0;
}
.nav-toggle span{
  display:block;width:16px;height:1.5px;background:var(--c-brand);position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--c-brand);
  transition:transform .24s var(--ease);
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-5px) rotate(-45deg);}
.nav-drawer{
  position:fixed;inset:0;
  background:var(--c-bg);
  z-index:80;
  padding:24px 20px 32px;
  display:flex;flex-direction:column;
  transform:translateY(-8px);
  opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
}
.nav-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-close{
  background:none;border:1px solid var(--c-line);border-radius:var(--r-btn);
  width:40px;height:40px;font-size:20px;color:var(--c-brand);cursor:pointer;line-height:1;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  font-family:var(--font-serif);
  font-size:24px;
  color:var(--c-ink);
  padding:14px 0;
  border-bottom:1px solid var(--c-line);
}
.drawer-nav a.is-active{color:var(--c-brand);}
.drawer-foot{margin-top:auto;padding-top:28px;}
.drawer-foot p{font-size:13px;color:var(--c-muted);margin-bottom:14px;}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--c-line);
  background:var(--c-bg);
}
.page-hero-bg{
  position:absolute;inset:0;
  background-position:center right;
  background-size:cover;
  background-repeat:no-repeat;
  opacity:.9;
}
.page-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(247,244,238,.98) 0%,rgba(247,244,238,.94) 40%,rgba(247,244,238,.55) 72%,rgba(247,244,238,.3) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:72px 32px 78px;max-width:1160px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:24px;}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-brand);}
.crumb span.sep{color:#B8B1A3;}
.eyebrow{
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--c-accent);font-weight:500;margin-bottom:14px;
}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);
  max-width:16em;
  margin-bottom:20px;
}
.lede{
  font-size:17px;color:var(--c-muted);max-width:36em;line-height:1.8;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-note{font-size:13px;color:var(--c-muted);margin-top:16px;}

/* ---------- 章节通用 ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-alt{background:var(--c-bg-alt);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  margin-bottom:44px;
}
.section-head h2{font-size:clamp(25px,3vw,38px);}
.section-head .section-note{
  max-width:32em;font-size:15px;color:var(--c-muted);
}
.section-head .eyebrow{margin-bottom:10px;}
.rule{height:1px;background:var(--c-line);border:0;margin:0;}

/* ---------- 标签行 ---------- */
.chip-bar{
  border-bottom:1px solid var(--c-line);
  background:var(--c-surface);
}
.chip-inner{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  padding:18px 32px;
  max-width:1200px;margin:0 auto;
}
.chip-label{font-size:13px;color:var(--c-muted);margin-right:6px;}
.chip{
  font-size:13px;letter-spacing:.03em;
  border:1px solid var(--c-line);
  background:var(--c-bg);
  color:var(--c-muted);
  border-radius:var(--r-btn);
  padding:6px 14px;
  transition:border-color .24s var(--ease),color .24s var(--ease),background .24s var(--ease);
}
.chip.is-on{border-color:var(--c-brand);color:var(--c-brand);background:rgba(14,59,51,.05);}

/* ---------- 玩法卡片 ---------- */
.idea-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:32px;
}
.idea-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.idea-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#CFC8B8;}
.idea-media{margin:0;overflow:hidden;aspect-ratio:16/10;background:var(--c-bg-alt);}
.idea-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.idea-card:hover .idea-media img{transform:scale(1.03);}
.idea-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.idea-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.badge{
  font-size:12px;letter-spacing:.04em;
  border:1px solid var(--c-brand);color:var(--c-brand);
  border-radius:3px;padding:2px 8px;background:transparent;white-space:nowrap;
}
.idea-season{font-size:13px;color:var(--c-muted);}
.idea-body h3{font-size:21px;}
.idea-body p{font-size:15px;color:var(--c-muted);line-height:1.8;}
.mini-list{display:flex;flex-direction:column;gap:6px;margin-top:2px;}
.mini-list li{
  position:relative;padding-left:16px;font-size:14px;color:var(--c-ink);
}
.mini-list li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:1px;background:var(--c-accent);
}
.idea-body .link-arrow{margin-top:auto;padding-top:8px;}

/* ---------- 通栏引用 ---------- */
.quote-band{
  background:var(--c-brand);
  color:#F3EFE6;
  padding:88px 0;
  position:relative;
  overflow:hidden;
}
.quote-inner{
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
  position:relative;z-index:2;
}
.quote-mark{
  font-family:var(--font-serif);font-size:76px;line-height:.6;color:rgba(243,239,230,.32);
  display:block;margin-bottom:14px;
}
.quote-band blockquote{
  margin:0;font-family:var(--font-serif);
  font-size:clamp(21px,2.4vw,27px);line-height:1.62;color:#F6F2E9;
}
.quote-meta{margin-top:22px;font-size:14px;color:rgba(243,239,230,.72);line-height:1.9;}
.quote-figure{margin:0;border-radius:var(--r-card);overflow:hidden;border:1px solid rgba(243,239,230,.22);}
.quote-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}

/* ---------- 步骤时间线 ---------- */
.steps-row{margin-top:8px;}
.step{
  position:relative;
  padding:28px 24px 26px;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  background:var(--c-surface);
  box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.step-num{
  font-family:var(--font-serif);font-size:34px;line-height:1;color:var(--c-accent);
  display:block;margin-bottom:14px;
}
.step h3{font-size:19px;margin-bottom:10px;}
.step p{font-size:15px;color:var(--c-muted);line-height:1.8;}
.step-line{
  display:flex;align-items:center;gap:10px;margin-bottom:26px;color:var(--c-muted);font-size:13px;
}
.step-line::before,.step-line::after{content:"";height:1px;background:var(--c-line);flex:1;}
.step-line b{font-weight:500;letter-spacing:.08em;color:var(--c-brand);}

/* ---------- 对照表 ---------- */
.fit-list{border-top:1px solid var(--c-line);}
.fit-row{
  display:grid;
  grid-template-columns:200px 1fr 180px;
  gap:28px;
  align-items:start;
  padding:26px 0;
  border-bottom:1px solid var(--c-line);
  transition:background .24s var(--ease);
}
.fit-row:hover{background:rgba(14,59,51,.03);}
.fit-name{font-family:var(--font-serif);font-size:19px;}
.fit-desc{font-size:15px;color:var(--c-muted);line-height:1.8;}
.fit-tag{font-size:13px;color:var(--c-brand);text-align:right;letter-spacing:.03em;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-q{
  width:100%;
  background:none;border:0;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;
  text-align:left;
  font-size:17px;font-weight:600;color:var(--c-ink);
  cursor:pointer;
  font-family:var(--font-sans);
  transition:color .24s var(--ease);
}
.faq-q:hover{color:var(--c-brand);}
.faq-icon{
  position:relative;width:16px;height:16px;flex:0 0 auto;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-accent);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s var(--ease);}
.faq-a p{
  font-size:15px;color:var(--c-muted);line-height:1.85;
  padding:0 40px 24px 0;
}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:var(--c-dark);
  color:#F3EFE6;
  padding:88px 0;
}
.cta-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;}
.cta-band h2{
  color:#F7F4EE;font-size:clamp(26px,3.2vw,40px);margin-bottom:16px;
}
.cta-band p{font-size:16px;color:rgba(243,239,230,.74);max-width:34em;line-height:1.85;}
.cta-list{margin-top:24px;display:flex;flex-direction:column;gap:10px;}
.cta-list li{
  font-size:14.5px;color:rgba(243,239,230,.86);
  padding-left:18px;position:relative;
}
.cta-list li::before{
  content:"";position:absolute;left:0;top:10px;width:7px;height:7px;
  border:1px solid var(--c-accent);border-radius:50%;
}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.cta-actions .btn{width:100%;}
.cta-actions .cta-hint{font-size:13px;color:rgba(243,239,230,.6);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-dark);
  color:#E9E4D9;
  padding:64px 0 24px;
  border-top:1px solid rgba(243,239,230,.12);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr .8fr .9fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.site-footer .brand{color:#F6F2E9;margin-bottom:16px;}
.site-footer .brand-mark{border-color:#F6F2E9;}
.site-footer .brand-text{color:#F6F2E9;}
.footer-brand p{font-size:14px;color:rgba(233,228,217,.66);line-height:1.85;max-width:26em;}
.footer-col h4{
  font-size:14px;color:#F6F2E9;letter-spacing:.06em;margin-bottom:16px;
  font-family:var(--font-sans);font-weight:600;
}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col p{font-size:14px;color:rgba(233,228,217,.7);line-height:1.9;}
.footer-col a{color:rgba(233,228,217,.86);}
.footer-col a:hover{color:var(--c-accent);}
.f-muted{color:rgba(233,228,217,.5)!important;font-size:13px!important;}
.footer-bottom{
  border-top:1px solid rgba(243,239,230,.14);
  padding-top:20px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(233,228,217,.52);
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

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

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .page-hero-inner{padding:56px 24px 62px;}
  .section{padding:76px 0;}
  .idea-grid{gap:24px;}
  .quote-inner{grid-template-columns:1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .fit-row{grid-template-columns:160px 1fr;}
  .fit-tag{text-align:left;grid-column:1 / -1;}
  .main-nav a{padding:8px 9px;font-size:14px;}
  .status-pill{display:none;}
}
@media (max-width:900px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn{display:none;}
  .idea-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .topbar{display:none!important;}
  .nav-wrap{height:64px;gap:12px;}
  .brand-text{font-size:16.5px;}
  .page-hero-inner{padding:44px 20px 52px;}
  .page-hero-bg{background-position:center;}
  .page-hero-bg::after{background:linear-gradient(180deg,rgba(247,244,238,.97) 0%,rgba(247,244,238,.9) 55%,rgba(247,244,238,.78) 100%);}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .chip-inner{padding:14px 20px;}
  .idea-body{padding:20px;}
  .quote-band{padding:56px 0;}
  .fit-row{grid-template-columns:1fr;gap:8px;padding:22px 0;}
  .faq-q{font-size:16px;padding:18px 0;}
  .faq-a p{padding-right:0;}
  .cta-band{padding:56px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .steps-row .cell{margin-bottom:16px;}
}

/* roulang page: category3 */
:root{
  --c-brand:#0E3B33;
  --c-brand-soft:#16544A;
  --c-accent:#E2603A;
  --c-accent-dark:#C94E2C;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-dark:#0E1B18;
  --c-ink:#1A1C1A;
  --c-muted:#6E6A60;
  --c-line:#DCD6C9;
  --radius-card:6px;
  --radius-btn:4px;
  --shadow-1:0 1px 2px rgba(14,27,24,.06);
  --shadow-2:0 18px 40px -24px rgba(14,27,24,.35);
  --font-serif:"Noto Serif SC","Songti SC",Georgia,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --w-container:1200px;
  --w-prose:760px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-brand);text-decoration:none;}
a:hover{color:var(--c-accent-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;letter-spacing:-.01em;color:var(--c-ink);margin:0;line-height:1.28;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

.container{
  width:100%;
  max-width:var(--w-container);
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--c-brand);
  color:#F7F4EE;
  font-size:13px;
  letter-spacing:.01em;
}
.topbar .topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:32px;
  gap:16px;
}
.topbar-note{display:inline-flex;align-items:center;gap:8px;}
.topbar-note::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);
  display:inline-block;
}
.topbar-badge{
  border:1px solid rgba(247,244,238,.42);
  border-radius:2px;
  padding:1px 8px;
  font-size:12px;
  letter-spacing:.04em;
}

/* ---------- 站点导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#F7F4EE;
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:20px;height:20px;
  border:1.5px solid var(--c-brand);
  border-radius:50%;
  position:relative;
  display:inline-block;
  flex-shrink:0;
}
.brand-mark::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  width:6px;height:6px;
  margin:-3px 0 0 -3px;
  border-radius:50%;
  background:var(--c-accent);
}
.brand-text{
  font-family:var(--font-serif);
  font-size:18px;
  font-weight:700;
  color:var(--c-brand);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:26px;
}
.main-nav a{
  position:relative;
  font-size:15px;
  color:var(--c-ink);
  padding:6px 0;
  transition:color .2s ease;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  height:2px;width:0;
  background:var(--c-accent);
  transition:width .24s cubic-bezier(.2,.7,.2,1);
}
.main-nav a:hover::after,
.main-nav a:focus-visible::after{width:100%;}
.main-nav a:hover{color:var(--c-brand);}
.main-nav a.is-active{
  color:var(--c-brand);
  font-weight:700;
}
.main-nav a.is-active::after{width:100%;}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.status-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  letter-spacing:.04em;
  color:var(--c-brand);
  background:#fff;
  border:1px solid var(--c-brand);
  border-radius:999px;
  padding:5px 12px;
  white-space:nowrap;
}
.status-dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);
  display:inline-block;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--c-line);
  background:#fff;
  border-radius:var(--radius-btn);
  cursor:pointer;
  padding:0;
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;
  width:18px;height:1.5px;
  background:var(--c-ink);
  position:relative;
  transition:background .2s ease;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;height:1.5px;
  background:var(--c-ink);
  transition:transform .2s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 移动抽屉 ---------- */
.nav-drawer{
  position:fixed;
  inset:0;
  z-index:90;
  background:#F7F4EE;
  padding:28px 24px 32px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  transform:translateY(-102%);
  transition:transform .28s cubic-bezier(.2,.7,.2,1);
  visibility:hidden;
}
.nav-drawer.is-open{transform:translateY(0);visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:40px;height:40px;
  border:1px solid var(--c-line);
  background:#fff;
  border-radius:var(--radius-btn);
  font-size:20px;
  line-height:1;
  color:var(--c-ink);
  cursor:pointer;
}
.drawer-nav{margin-top:36px;display:flex;flex-direction:column;}
.drawer-nav a{
  font-family:var(--font-serif);
  font-size:26px;
  font-weight:700;
  color:var(--c-ink);
  padding:16px 0;
  border-bottom:1px solid var(--c-line);
}
.drawer-nav a.is-active{color:var(--c-brand);}
.drawer-foot{margin-top:28px;}
.drawer-foot .btn{width:100%;}
.drawer-foot p{
  font-size:13px;
  color:var(--c-muted);
  margin-top:14px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:500;
  letter-spacing:.01em;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:var(--c-accent);
  color:#fff;
  box-shadow:var(--shadow-1);
}
.btn-primary:hover{
  background:var(--c-accent-dark);
  color:#fff;
  transform:translateY(-1px);
}
.btn-ghost{
  background:transparent;
  color:var(--c-brand);
  border-color:var(--c-brand);
}
.btn-ghost:hover{
  background:rgba(14,59,51,.06);
  color:var(--c-brand);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  color:var(--c-brand);
  border-bottom:2px solid var(--c-accent);
  padding-bottom:2px;
  transition:color .2s ease,gap .2s ease;
}
.link-arrow::after{content:"→";font-size:14px;}
.link-arrow:hover{color:var(--c-accent-dark);gap:10px;}

/* ---------- 内页首屏 ---------- */
.page-hero{
  padding:64px 0 0;
  background:var(--c-bg);
  border-bottom:1px solid var(--c-line);
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-muted);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb .sep{color:var(--c-line);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--c-brand);
  border:1px solid var(--c-brand);
  border-radius:2px;
  padding:3px 10px;
  background:transparent;
}
.page-hero h1{
  font-size:clamp(32px,4.6vw,54px);
  margin:20px 0 0;
  max-width:15em;
}
.lede{
  margin-top:20px;
  max-width:780px;
  font-size:17px;
  line-height:1.85;
  color:var(--c-muted);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.hero-note{
  margin-top:16px;
  font-size:13px;
  color:var(--c-muted);
  letter-spacing:.01em;
}
.hero-stats{
  margin-top:48px;
  border-top:1px solid var(--c-line);
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat{
  padding:26px 24px 30px;
  border-right:1px solid var(--c-line);
}
.stat:first-child{padding-left:0;}
.stat:last-child{border-right:none;}
.stat-num{
  font-family:var(--font-serif);
  font-size:clamp(30px,3.4vw,40px);
  font-weight:700;
  color:var(--c-brand);
  line-height:1.1;
}
.stat-num small{font-size:14px;font-weight:400;color:var(--c-muted);margin-left:4px;}
.stat-label{
  display:block;
  margin-top:8px;
  font-size:13px;
  color:var(--c-muted);
  letter-spacing:.02em;
}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:44px;
}
.section-title{
  font-size:clamp(26px,3.1vw,38px);
  position:relative;
  padding-left:18px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:.34em;
  width:4px;height:.86em;
  background:var(--c-brand);
}
.section-sub{
  margin-top:14px;
  padding-left:18px;
  font-size:16px;
  color:var(--c-muted);
  max-width:640px;
}

/* ---------- 案例条目 ---------- */
.case-list{border-top:1px solid var(--c-line);}
.case-item{
  display:grid;
  grid-template-columns:280px minmax(0,1fr);
  gap:48px;
  padding:56px 0;
  border-bottom:1px solid var(--c-line);
}
.case-aside{display:flex;flex-direction:column;gap:16px;}
.case-figure{
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  overflow:hidden;
  background:#fff;
  box-shadow:var(--shadow-1);
}
.case-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .5s cubic-bezier(.2,.7,.2,1);
}
.case-item:hover .case-figure img{transform:scale(1.03);}
.case-name{
  font-family:var(--font-serif);
  font-size:19px;
  font-weight:700;
  color:var(--c-ink);
}
.case-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:10px;
  font-size:13px;
  color:var(--c-muted);
}
.tag{
  display:inline-block;
  font-size:12px;
  letter-spacing:.04em;
  color:var(--c-brand);
  border:1px solid var(--c-brand);
  border-radius:2px;
  padding:2px 8px;
  background:transparent;
}
.tag--accent{
  color:var(--c-accent-dark);
  border-color:var(--c-accent);
}
.case-body{display:flex;flex-direction:column;}
.case-quote{
  font-family:var(--font-serif);
  font-size:clamp(19px,2vw,23px);
  line-height:1.72;
  color:var(--c-ink);
  position:relative;
  padding-left:26px;
}
.case-quote::before{
  content:"“";
  position:absolute;
  left:-2px;top:-18px;
  font-family:var(--font-serif);
  font-size:54px;
  line-height:1;
  color:var(--c-accent);
  opacity:.5;
}
.case-result{
  margin-top:20px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--c-muted);
  max-width:640px;
}
.case-metrics{
  display:flex;
  flex-wrap:wrap;
  gap:14px 42px;
  margin-top:26px;
  padding-top:22px;
  border-top:1px dashed var(--c-line);
}
.metric-num{
  font-family:var(--font-serif);
  font-size:26px;
  font-weight:700;
  color:var(--c-brand);
  line-height:1.2;
}
.metric-label{
  display:block;
  margin-top:4px;
  font-size:13px;
  color:var(--c-muted);
}

/* ---------- 编号列表 ---------- */
.numbered{border-top:1px solid var(--c-line);}
.numbered-item{
  display:grid;
  grid-template-columns:96px minmax(0,1fr) 200px;
  gap:32px;
  align-items:start;
  padding:34px 0;
  border-bottom:1px solid var(--c-line);
}
.num{
  font-family:var(--font-serif);
  font-size:34px;
  font-weight:700;
  color:var(--c-accent);
  line-height:1;
  letter-spacing:.02em;
}
.numbered-item h3{
  font-size:21px;
  margin-bottom:8px;
}
.numbered-item p{
  font-size:15.5px;
  color:var(--c-muted);
  line-height:1.85;
}
.numbered-tag{
  font-size:13px;
  color:var(--c-muted);
  text-align:right;
  letter-spacing:.02em;
}

/* ---------- 深色引用块 ---------- */
.pullquote{
  background:var(--c-dark);
  color:#F2EFE7;
  padding:80px 0;
}
.pullquote-inner{
  max-width:880px;
}
.pullquote-mark{
  font-family:var(--font-serif);
  font-size:64px;
  line-height:1;
  color:var(--c-accent);
  display:block;
  margin-bottom:8px;
}
.pullquote p{
  font-family:var(--font-serif);
  font-size:clamp(21px,2.6vw,30px);
  line-height:1.62;
  color:#F7F4EE;
}
.pullquote-cite{
  margin-top:26px;
  font-size:13px;
  letter-spacing:.04em;
  color:rgba(247,244,238,.66);
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
}
.pullquote-cite::before{
  content:"";
  width:28px;height:1px;
  background:var(--c-accent);
  display:inline-block;
}

/* ---------- 分页入口 ---------- */
.pager{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:18px;
  padding:26px 0 0;
}
.pager-info{
  font-size:14px;
  color:var(--c-muted);
  letter-spacing:.02em;
}
.pager-btns{display:flex;gap:10px;}
.pager-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:44px;
  height:40px;
  padding:0 16px;
  border:1px solid var(--c-line);
  border-radius:var(--radius-btn);
  background:#fff;
  font-size:14px;
  color:var(--c-ink);
  transition:border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.pager-btn:hover{
  border-color:var(--c-brand);
  color:var(--c-brand);
  box-shadow:var(--shadow-1);
}
.pager-btn.is-current{
  background:var(--c-brand);
  border-color:var(--c-brand);
  color:#fff;
}
.pager-btn.is-current:hover{color:#fff;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.accordion{
  border:none;
  background:transparent;
  margin:0;
}
.accordion-item{
  border:none;
  border-top:1px solid var(--c-line);
  background:transparent;
}
.accordion-item:last-child{border-bottom:1px solid var(--c-line);}
.accordion-title{
  background:transparent;
  border:none;
  padding:24px 48px 24px 0;
  font-size:17px;
  font-weight:700;
  color:var(--c-ink);
  line-height:1.6;
  transition:color .2s ease;
}
.accordion-title:hover{color:var(--c-brand);}
.accordion-title::before{
  content:"+";
  position:absolute;
  right:8px;
  left:auto;
  top:50%;
  margin-top:-15px;
  width:auto;
  height:auto;
  font-size:24px;
  font-weight:400;
  line-height:1;
  color:var(--c-accent);
  background:none;
  display:block;
}
.accordion-title[aria-expanded="true"]::before{content:"−";}
.accordion-title[aria-expanded="true"]{color:var(--c-brand);}
.accordion-content{
  background:transparent;
  border:none;
  padding:0 48px 26px 0;
  font-size:15px;
  line-height:1.88;
  color:var(--c-muted);
}

/* ---------- 底部 CTA ---------- */
.cta-band{
  padding:0 0 96px;
}
.cta-inner{
  border:1px solid var(--c-brand);
  border-radius:var(--radius-card);
  background:var(--c-surface);
  padding:56px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:40px;
  align-items:center;
  box-shadow:var(--shadow-1);
}
.cta-inner h2{
  font-size:clamp(24px,2.8vw,34px);
  max-width:20em;
}
.cta-inner p{
  margin-top:14px;
  font-size:16px;
  color:var(--c-muted);
  max-width:620px;
  line-height:1.85;
}
.cta-actions{
  display:flex;
  flex-direction:column;
  gap:12px;
  min-width:190px;
}
.cta-actions .btn{width:100%;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-dark);
  color:#EFEBE1;
  padding:72px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:40px;
}
.footer-brand .brand-text{color:#F7F4EE;}
.footer-brand .brand-mark{border-color:#F7F4EE;}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.85;
  color:rgba(247,244,238,.66);
  max-width:340px;
}
.footer-col h4{
  font-family:var(--font-sans);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:#F7F4EE;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col p{
  font-size:14px;
  line-height:1.9;
  color:rgba(247,244,238,.74);
}
.footer-col a{color:rgba(247,244,238,.86);}
.footer-col a:hover{color:var(--c-accent);}
.f-muted{color:rgba(247,244,238,.5) !important;font-size:13px;}
.footer-bottom{
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid rgba(247,244,238,.16);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:12px;
  color:rgba(247,244,238,.5);
  letter-spacing:.02em;
}

/* ---------- 进场动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1);
}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .main-nav{gap:18px;}
  .status-pill{display:none;}
  .case-item{grid-template-columns:220px minmax(0,1fr);gap:32px;}
  .numbered-item{grid-template-columns:72px minmax(0,1fr);}
  .numbered-tag{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-inner{grid-template-columns:1fr;padding:44px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;min-width:0;}
  .cta-actions .btn{width:auto;}
}
@media (max-width:900px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions{gap:8px;}
  .nav-actions .btn-sm{display:none;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .topbar .topbar-inner{justify-content:center;}
  .topbar-badge{display:none;}
  .page-hero{padding-top:48px;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .stat{padding:22px 16px;border-right:1px solid var(--c-line);}
  .stat:nth-child(2n){border-right:none;}
  .stat:nth-child(n+3){border-top:1px solid var(--c-line);}
  .stat:first-child{padding-left:16px;}
  .stat:nth-child(odd){padding-left:0;}
  .case-item{grid-template-columns:1fr;gap:24px;padding:40px 0;}
  .case-aside{flex-direction:row;align-items:center;gap:16px;}
  .case-figure{width:132px;flex-shrink:0;}
  .case-name{font-size:17px;}
  .case-quote{font-size:18px;padding-left:20px;}
  .case-quote::before{font-size:44px;top:-14px;}
  .case-metrics{gap:12px 28px;}
  .metric-num{font-size:22px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:30px;}
  .numbered-item{grid-template-columns:56px minmax(0,1fr);gap:20px;padding:26px 0;}
  .num{font-size:26px;}
  .numbered-item h3{font-size:19px;}
  .pullquote{padding:56px 0;}
  .cta-inner{padding:32px 24px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer{padding:56px 0 24px;}
}
@media (max-width:520px){
  .header-inner{height:64px;}
  .brand-text{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .pager{flex-direction:column;align-items:flex-start;}
  .pager-btns{width:100%;}
  .pager-btn{flex:1;}
  .drawer-nav a{font-size:22px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    transition:none !important;
    animation:none !important;
  }
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category4 */
:root{
  --c-brand:#0E3B33;
  --c-accent:#E2603A;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-dark:#0E1B18;
  --c-ink:#1A1C1A;
  --c-muted:#6E6A60;
  --c-line:#DCD6C9;
  --r-card:6px;
  --r-btn:4px;
  --shadow-1:0 1px 2px rgba(14,27,24,.06);
  --shadow-2:0 18px 40px -24px rgba(14,27,24,.35);
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}

*,*::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:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-card)}
a{color:inherit;text-decoration:none;transition:color .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p{margin:0;font-family:inherit;color:inherit;line-height:inherit}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.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;
}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--c-brand);
  color:#F1EDE2;
  font-size:13px;
  letter-spacing:.01em;
}
.topbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:32px;
}
.tb-left{display:flex;align-items:center;gap:8px}
.tb-left .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:none}
.tb-right{display:flex;align-items:center;gap:12px}
.tb-badge{
  border:1px solid rgba(241,237,226,.34);
  border-radius:999px;
  padding:1px 10px;
  font-size:11.5px;
  letter-spacing:.05em;
  color:#F1EDE2;
}
.tb-muted{color:rgba(241,237,226,.68)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--c-bg);
  border-bottom:1px solid var(--c-line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:22px;height:22px;
  border:1.5px solid var(--c-brand);
  border-radius:50%;
  position:relative;
  flex:none;
}
.brand-mark::after{
  content:"";position:absolute;top:50%;left:50%;
  width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);
  transform:translate(-50%,-50%);
}
.brand-text{
  font-family:var(--serif);
  font-weight:700;
  font-size:18px;
  letter-spacing:.01em;
  color:var(--c-brand);
  white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:2px}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:14.5px;
  color:var(--c-ink);
  border-radius:var(--r-btn);
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  background:var(--c-accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s cubic-bezier(.2,.7,.2,1);
}
.main-nav a:hover{color:var(--c-brand)}
.main-nav a:hover::after,
.main-nav a.is-active::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--c-brand);font-weight:500}

.nav-right{display:flex;align-items:center;gap:14px;flex:none}
.status-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  background:var(--c-surface);
  border:1px solid var(--c-brand);
  border-radius:999px;
  padding:4px 12px;
  font-size:12px;
  letter-spacing:.03em;
  color:var(--c-brand);
  white-space:nowrap;
}
.status-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:none}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:40px;
  padding:0 20px;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  font-size:14.5px;
  font-weight:500;
  line-height:1;
  text-align:center;
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:#C94F2B;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost{background:transparent;border-color:var(--c-brand);color:var(--c-brand)}
.btn-ghost:hover{background:rgba(14,59,51,.07);color:var(--c-brand);transform:translateY(-1px)}
.btn:active{transform:translateY(1px);box-shadow:none}
.btn-block{width:100%}

.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  background:var(--c-surface);
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:16px;height:1.5px;
  background:var(--c-brand);
  transition:transform .24s ease,opacity .2s ease;
}
.nav-toggle.is-active span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle.is-active span:nth-child(2){opacity:0}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

.nav-drawer{
  position:fixed;
  inset:104px 0 0 0;
  z-index:70;
  background:var(--c-bg);
  padding:32px 24px 40px;
  display:none;
  overflow-y:auto;
}
.nav-drawer.is-open{display:block}
.nav-drawer nav{display:flex;flex-direction:column}
.nav-drawer nav a{
  font-family:var(--serif);
  font-size:24px;
  font-weight:700;
  color:var(--c-brand);
  padding:16px 0;
  border-bottom:1px solid var(--c-line);
}
.nav-drawer nav a.is-active{color:var(--c-accent)}
.nav-drawer .drawer-cta{margin-top:28px}
.no-scroll{overflow:hidden}

/* ---------- Hero ---------- */
.page-hero{
  padding:64px 0 0;
  background:var(--c-bg);
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-muted);
  margin-bottom:24px;
  flex-wrap:wrap;
}
.crumb a:hover{color:var(--c-brand);text-decoration:underline;text-underline-offset:3px}
.crumb .sep{color:var(--c-line)}
.crumb .cur{color:var(--c-ink)}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  border:1px solid var(--c-brand);
  border-radius:3px;
  color:var(--c-brand);
  font-size:12px;
  letter-spacing:.04em;
  padding:3px 10px;
  line-height:1.6;
}
.tag .dot{width:5px;height:5px;border-radius:50%;background:var(--c-accent)}

.page-hero h1{
  font-family:var(--serif);
  font-weight:700;
  font-size:clamp(32px,4.6vw,52px);
  line-height:1.22;
  letter-spacing:-.01em;
  color:var(--c-brand);
  margin-top:20px;
  max-width:900px;
}
.hero-lead{
  margin-top:20px;
  max-width:680px;
  font-size:17px;
  line-height:1.8;
  color:var(--c-muted);
}
.help-search{
  display:flex;
  gap:10px;
  margin-top:32px;
  max-width:680px;
}
.help-search input{
  flex:1 1 auto;
  height:48px;
  min-width:0;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  background:var(--c-surface);
  padding:0 16px;
  font-size:15px;
  color:var(--c-ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.help-search input::placeholder{color:#A8A296}
.help-search input:focus{
  outline:none;
  border-color:var(--c-brand);
  box-shadow:0 0 0 3px rgba(14,59,51,.08);
}
.help-search .btn{flex:none;height:48px}
.hot-terms{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  margin-top:16px;
  font-size:13px;
  color:var(--c-muted);
}
.hot-terms a{
  border:1px dashed var(--c-line);
  border-radius:999px;
  padding:3px 12px;
  font-size:12.5px;
  color:var(--c-muted);
}
.hot-terms a:hover{border-style:solid;border-color:var(--c-brand);color:var(--c-brand)}

.hero-stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  margin-top:52px;
  padding:28px 0 40px;
  border-top:1px solid var(--c-line);
}
.hero-stats .stat{
  padding:0 24px;
  border-left:1px solid var(--c-line);
}
.hero-stats .stat:first-child{padding-left:0;border-left:0}
.hero-stats b{
  display:block;
  font-family:var(--serif);
  font-weight:700;
  font-size:clamp(26px,3vw,38px);
  line-height:1.1;
  color:var(--c-brand);
}
.hero-stats span{
  display:block;
  margin-top:8px;
  font-size:13px;
  color:var(--c-muted);
  letter-spacing:.01em;
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:#F1ECE1}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{
  font-family:var(--serif);
  font-weight:700;
  font-size:clamp(25px,3vw,38px);
  line-height:1.3;
  letter-spacing:-.01em;
  color:var(--c-brand);
}
.sec-rule{width:44px;height:2px;background:var(--c-accent);margin-top:18px}
.section-head p{
  margin-top:16px;
  font-size:16px;
  color:var(--c-muted);
  line-height:1.85;
}

/* ---------- 主题导航 ---------- */
.topic-grid{margin:0 -16px}
.topic-col{padding:0 16px}
.topic-col h3{
  font-family:var(--serif);
  font-weight:700;
  font-size:20px;
  color:var(--c-brand);
  padding-bottom:14px;
  border-bottom:2px solid var(--c-brand);
  margin-bottom:4px;
}
.topic-col ul{margin-top:4px}
.topic-col li a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:13px 0;
  border-bottom:1px solid var(--c-line);
  font-size:15px;
  color:var(--c-ink);
  transition:color .2s ease,padding-left .2s ease;
}
.topic-col li a:hover{color:var(--c-brand);padding-left:4px}
.topic-col li a i{
  font-style:normal;
  font-size:13px;
  color:var(--c-accent);
  flex:none;
}

/* ---------- FAQ ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px 64px;
}
.faq-group h3{
  font-family:var(--serif);
  font-weight:700;
  font-size:20px;
  color:var(--c-brand);
  margin-bottom:16px;
  padding-bottom:14px;
  border-bottom:1px solid var(--c-line);
}

.accordion{background:transparent;border:0;margin:0}
.accordion .accordion-item{border:0;border-bottom:1px solid var(--c-line);background:transparent}
.accordion .accordion-title{
  position:relative;
  display:block;
  padding:18px 46px 18px 0;
  background:transparent;
  border:0;
  font-size:16.5px;
  font-weight:700;
  line-height:1.65;
  color:var(--c-ink);
  transition:color .2s ease;
}
.accordion .accordion-title:hover{background:transparent;color:var(--c-brand)}
.accordion .accordion-title::before{
  content:"+";
  position:absolute;
  top:50%;
  right:6px;
  width:auto;
  height:auto;
  margin:0;
  padding:0;
  background:none;
  border:0;
  transform:translateY(-50%);
  color:var(--c-accent);
  font-family:var(--sans);
  font-size:20px;
  font-weight:400;
  line-height:1;
  transition:transform .2s ease;
}
.accordion .accordion-item.is-active > .accordion-title{color:var(--c-brand)}
.accordion .accordion-item.is-active > .accordion-title::before{content:"−";transform:translateY(-50%)}
.accordion .accordion-content{
  padding:0 40px 20px 0;
  border:0;
  background:transparent;
  font-size:15px;
  line-height:1.85;
  color:var(--c-muted);
}
.accordion .accordion-content p{margin:0;font-size:15px;line-height:1.85;color:var(--c-muted)}

/* ---------- 联系卡片 ---------- */
.contact-card{
  display:grid;
  grid-template-columns:.82fr 1fr;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.contact-media{position:relative;min-height:320px;background:#E7E1D4}
.contact-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.contact-body{padding:44px}
.contact-body h2{
  font-family:var(--serif);
  font-weight:700;
  font-size:clamp(23px,2.6vw,30px);
  line-height:1.3;
  color:var(--c-brand);
}
.contact-body > p{
  margin-top:14px;
  font-size:15.5px;
  color:var(--c-muted);
  line-height:1.85;
}
.contact-list{margin-top:28px;border-top:1px solid var(--c-line)}
.contact-list li{
  display:flex;
  align-items:baseline;
  gap:16px;
  padding:14px 0;
  border-bottom:1px solid var(--c-line);
  font-size:15px;
  flex-wrap:wrap;
}
.contact-list .k{
  flex:none;
  width:88px;
  font-size:13px;
  letter-spacing:.04em;
  color:var(--c-muted);
}
.contact-list .v{color:var(--c-ink)}
.contact-list .v a{color:var(--c-brand);border-bottom:1px solid var(--c-accent);padding-bottom:1px}
.contact-list .v a:hover{color:var(--c-accent)}
.contact-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}

/* ---------- CTA ---------- */
.cta-box{
  display:grid;
  grid-template-columns:1fr auto;
  align-items:center;
  gap:40px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:56px;
  box-shadow:var(--shadow-1);
}
.cta-box h2{
  font-family:var(--serif);
  font-weight:700;
  font-size:clamp(24px,3vw,36px);
  line-height:1.3;
  letter-spacing:-.01em;
  color:var(--c-brand);
  max-width:640px;
}
.cta-box p{
  margin-top:14px;
  font-size:16px;
  color:var(--c-muted);
  max-width:640px;
  line-height:1.85;
}
.cta-side{display:flex;flex-direction:column;gap:12px;min-width:200px}
.cta-note{
  font-size:12.5px;
  color:var(--c-muted);
  text-align:center;
  letter-spacing:.02em;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-dark);
  color:#D7D2C5;
  padding:72px 0 0;
  margin-top:0;
}
.site-footer .brand-text{color:#F3EFE6}
.site-footer .brand-mark{border-color:#F3EFE6}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.1fr;
  gap:44px;
}
.footer-brand p{
  margin-top:18px;
  font-size:14.5px;
  line-height:1.85;
  color:rgba(215,210,197,.78);
  max-width:340px;
}
.footer-col h4{
  font-family:var(--sans);
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  color:#F3EFE6;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col p{
  font-size:14px;
  line-height:1.85;
  color:rgba(215,210,197,.78);
  margin-bottom:8px;
}
.footer-col a{color:rgba(215,210,197,.88)}
.footer-col a:hover{color:var(--c-accent)}
.f-muted{color:rgba(215,210,197,.55);font-size:13px}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-top:56px;
  padding:20px 0;
  border-top:1px solid rgba(243,239,230,.15);
  font-size:12px;
  color:rgba(243,239,230,.6);
}

/* ---------- 动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1);
}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .container{padding:0 24px}
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .status-pill{display:none}
  .nav-drawer{inset:104px 0 0 0}
  .section{padding:72px 0}
  .faq-grid{grid-template-columns:1fr;gap:48px}
  .contact-card{grid-template-columns:1fr}
  .contact-media{min-height:240px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-box{grid-template-columns:1fr;padding:40px}
  .cta-side{flex-direction:row;flex-wrap:wrap;align-items:center}
}

@media screen and (max-width:640px){
  body{font-size:16px}
  .container{padding:0 20px}
  .topbar .tb-right{display:none}
  .topbar .container{min-height:30px}
  .header-inner{height:64px;gap:12px}
  .brand-text{font-size:16.5px}
  .nav-drawer{inset:94px 0 0 0;padding:24px 20px 36px}
  .nav-drawer nav a{font-size:21px;padding:14px 0}
  .nav-right .btn{height:36px;padding:0 14px;font-size:13.5px}
  .page-hero{padding:40px 0 0}
  .page-hero h1{font-size:clamp(28px,7.6vw,36px)}
  .hero-lead{font-size:16px}
  .help-search{flex-direction:column;gap:12px}
  .help-search .btn{width:100%;height:46px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:24px 0;padding:24px 0 32px}
  .hero-stats .stat{padding:0 16px}
  .hero-stats .stat:nth-child(odd){padding-left:0;border-left:0}
  .hero-stats .stat:nth-child(3),
  .hero-stats .stat:nth-child(4){border-top:1px solid var(--c-line);padding-top:20px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .topic-grid{margin:0}
  .topic-col{padding:0}
  .topic-col + .topic-col{margin-top:32px}
  .contact-body{padding:28px 22px}
  .contact-actions .btn{width:100%}
  .cta-box{padding:28px 22px;gap:28px}
  .cta-side{flex-direction:column;align-items:stretch;width:100%}
  .cta-note{text-align:left}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding:48px 0 0}
  .footer-bottom{margin-top:36px;font-size:11.5px;line-height:1.7}
}

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