/* roulang page: index */
:root{
  --ink:#141619;
  --ink-soft:#20242a;
  --paper:#faf8f4;
  --paper-2:#f2efe9;
  --white:#ffffff;
  --energy:#ff6a13;
  --energy-soft:rgba(255,106,19,.12);
  --cyan:#0f6f66;
  --cyan-soft:rgba(15,111,102,.10);
  --text:#2b2e33;
  --muted:#666c74;
  --meta:#9aa0a7;
  --line:#e3ded5;
  --line-strong:#cfc8bc;
  --radius-card:6px;
  --radius-btn:4px;
  --radius-img:4px;
  --shadow-1:0 1px 2px rgba(20,22,25,.05),0 6px 16px rgba(20,22,25,.05);
  --shadow-2:0 4px 10px rgba(20,22,25,.08),0 16px 34px rgba(20,22,25,.10);
  --space:24px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --t-fast:160ms;
  --t:220ms;
  --t-slow:320ms;
  --font-cn:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  margin:0 0 16px;
  color:var(--ink);
  font-family:var(--font-cn);
  font-weight:700;
  letter-spacing:-.015em;
  line-height:1.25;
}
h1{font-size:clamp(34px,4.6vw,64px);font-weight:800;line-height:1.1;}
h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;}
h3{font-size:21px;font-weight:600;line-height:1.4;}
h4{font-size:17px;font-weight:600;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;transition:color var(--t-fast) var(--ease);}
a:hover{color:var(--energy);}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-img);}
ul,ol{margin:0 0 16px;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--energy);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:96px 0;}
.section--alt{background:var(--paper-2);}
.section--tight{padding-top:72px;padding-bottom:72px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:48px;
}
.section-head .head-text{max-width:640px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--cyan);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:16px;height:1px;background:var(--cyan);display:inline-block;}
.section-desc{color:var(--muted);font-size:16.5px;margin:0;}

.link-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  white-space:nowrap;
  padding-bottom:2px;
  background-image:linear-gradient(var(--energy),var(--energy));
  background-size:0 1px;
  background-repeat:no-repeat;
  background-position:left bottom;
  transition:background-size var(--t) var(--ease),color var(--t-fast) var(--ease);
}
.link-more:hover{color:var(--energy);background-size:100% 1px;}
.link-more i{font-size:12px;transition:transform var(--t) var(--ease);}
.link-more:hover i{transform:translateX(4px);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border:1px solid transparent;
  border-radius:var(--radius-btn);
  font-size:15.5px;
  font-weight:600;
  letter-spacing:.01em;
  cursor:pointer;
  transition:background-color var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease),transform var(--t-fast) var(--ease),box-shadow var(--t) var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--ink);color:#fff;}
.btn--primary:hover{background:var(--energy);color:#fff;}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn--ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn--light{background:#fff;color:var(--ink);border-color:#fff;}
.btn--light:hover{background:var(--energy);color:#fff;border-color:var(--energy);}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn--outline-light:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn--sm{height:40px;padding:0 18px;font-size:14.5px;}
.btn--block{width:100%;}
.btn:active{transform:translateY(1px);}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border-radius:var(--radius-btn);
  font-size:12.5px;
  font-weight:600;
  line-height:1.6;
  letter-spacing:.02em;
}
.badge--energy{background:var(--energy-soft);color:#b3460a;}
.badge--cyan{background:var(--cyan-soft);color:var(--cyan);}
.badge--grey{background:#eeebe5;color:var(--muted);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(250,248,244,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease),background-color var(--t) var(--ease);
}
.site-header.is-scrolled{
  background:var(--paper);
  border-bottom-color:var(--line);
  box-shadow:0 1px 0 rgba(20,22,25,.02),0 6px 18px rgba(20,22,25,.04);
}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:78px;
  gap:20px;
}
.nav-group{display:flex;align-items:center;gap:26px;}
.nav-group--left{justify-content:flex-start;}
.nav-group--right{justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:15.5px;
  font-weight:500;
  color:var(--ink);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  background:var(--energy);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--t) var(--ease);
}
.nav-link:hover{color:var(--energy);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--energy);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  justify-self:center;
  font-size:19px;
  font-weight:800;
  letter-spacing:.03em;
  color:var(--ink);
  white-space:nowrap;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:12px;
  height:12px;
  border-radius:2px;
  background:var(--energy);
  transform:rotate(45deg);
  flex:0 0 auto;
}
.menu-toggle{
  display:none;
  justify-self:end;
  width:44px;
  height:44px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-btn);
  background:#fff;
  color:var(--ink);
  font-size:17px;
  align-items:center;
  justify-content:center;
  transition:border-color var(--t) var(--ease),color var(--t) var(--ease);
}
.menu-toggle:hover{border-color:var(--ink);}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:var(--paper);
  padding:8px 24px 20px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:48px;
  padding:0 2px;
  border-bottom:1px solid var(--line);
  font-size:16px;
  font-weight:500;
  color:var(--ink);
}
.mobile-drawer a:last-of-type{border-bottom:none;}
.mobile-drawer a.is-active{color:var(--energy);font-weight:700;}
.mobile-drawer .btn{margin-top:16px;}

/* ============ Hero ============ */
.hero{
  position:relative;
  min-height:640px;
  display:flex;
  align-items:center;
  overflow:hidden;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(102deg,rgba(10,11,13,.94) 0%,rgba(10,11,13,.80) 44%,rgba(10,11,13,.42) 100%);
}
.hero::after{
  content:"";
  position:absolute;
  right:-60px;
  bottom:-60px;
  width:420px;
  height:420px;
  background-image:radial-gradient(rgba(255,255,255,.55) 1px,transparent 1px);
  background-size:14px 14px;
  opacity:.06;
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:760px;padding:110px 0 96px;}
.hero h1{color:#fff;margin-bottom:22px;}
.hero-sub{
  font-size:17.5px;
  line-height:1.8;
  color:rgba(255,255,255,.82);
  max-width:620px;
  margin-bottom:34px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 14px;
  font-size:14px;
  color:rgba(255,255,255,.72);
}
.hero-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--energy);display:inline-block;}
.hero-tagline{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:6px 14px;
  border:1px solid rgba(255,255,255,.28);
  border-radius:var(--radius-btn);
  font-size:13px;
  letter-spacing:.1em;
  color:rgba(255,255,255,.85);
  margin-bottom:26px;
}

/* ============ 数据条 ============ */
.stat-strip{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat-item{
  padding:38px 26px;
  border-left:1px solid var(--line);
}
.stat-item:first-child{border-left:none;padding-left:0;}
.stat-num{
  font-size:38px;
  font-weight:800;
  color:var(--ink);
  line-height:1.1;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.stat-num span{font-size:18px;font-weight:600;color:var(--energy);margin-left:2px;}
.stat-label{
  margin-top:8px;
  font-size:14px;
  color:var(--muted);
}

/* ============ 办理入口卡片 ============ */
.entry-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.entry-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--paper-2);}
.entry-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform var(--t-slow) var(--ease);}
.entry-card:hover .entry-thumb img{transform:scale(1.04);}
.entry-thumb .tag{
  position:absolute;
  left:12px;
  top:12px;
  background:rgba(20,22,25,.86);
  color:#fff;
}
.entry-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.entry-body h3{margin-bottom:10px;font-size:20px;}
.entry-body p{color:var(--muted);font-size:15.5px;margin-bottom:20px;}
.entry-foot{
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:14.5px;
  font-weight:600;
  color:var(--ink);
  display:flex;
  align-items:center;
  gap:8px;
}
.entry-foot i{color:var(--energy);font-size:12px;transition:transform var(--t) var(--ease);}
.entry-card:hover .entry-foot i{transform:translateX(4px);}

/* ============ 时间线 ============ */
.timeline{position:relative;}
.timeline-item{
  display:grid;
  grid-template-columns:104px 1fr;
  gap:28px;
  padding-bottom:36px;
}
.timeline-item:last-child{padding-bottom:0;}
.timeline-time{
  font-size:22px;
  font-weight:700;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
  padding-top:2px;
}
.timeline-body{
  position:relative;
  padding-left:30px;
  border-left:1px solid var(--line-strong);
  padding-bottom:4px;
}
.timeline-item:last-child .timeline-body{border-left-color:transparent;}
.timeline-body::before{
  content:"";
  position:absolute;
  left:-5px;
  top:9px;
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--energy);
  box-shadow:0 0 0 4px var(--energy-soft);
  transform:scale(.4);
  opacity:0;
  transition:transform var(--t-slow) var(--ease),opacity var(--t-slow) var(--ease);
}
.timeline-item.is-in .timeline-body::before{transform:scale(1);opacity:1;}
.timeline-title{font-size:20px;margin-bottom:8px;}
.timeline-body p{color:var(--muted);font-size:15.5px;margin-bottom:12px;max-width:680px;}

/* ============ 服务团队 ============ */
.people-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  height:100%;
  box-shadow:var(--shadow-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.people-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.people-thumb{aspect-ratio:3/2;overflow:hidden;background:var(--paper-2);}
.people-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.people-body{padding:20px 20px 24px;}
.people-name{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:4px;}
.people-role{font-size:14px;color:var(--meta);margin-bottom:12px;}
.people-note{font-size:15px;color:var(--muted);margin:0;}

/* ============ 方案对比 ============ */
.compare-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.compare-table{width:100%;border-collapse:collapse;}
.compare-table th{
  background:var(--ink);
  color:#fff;
  font-size:14.5px;
  font-weight:600;
  text-align:left;
  padding:18px 20px;
  white-space:nowrap;
}
.compare-table th:last-child{text-align:right;}
.compare-table td{
  padding:20px;
  border-top:1px solid var(--line);
  font-size:15.5px;
  color:var(--text);
  vertical-align:middle;
}
.compare-table tr:hover td{background:#fbf9f6;}
.compare-table tr.is-featured td{background:rgba(15,111,102,.05);}
.compare-table tr.is-featured:hover td{background:rgba(15,111,102,.09);}
.compare-table tr.is-featured td:first-child{box-shadow:inset 3px 0 0 var(--cyan);}
.plan-name{font-size:17px;font-weight:700;color:var(--ink);}
.plan-price{font-variant-numeric:tabular-nums;font-weight:700;color:var(--ink);text-align:right;white-space:nowrap;}
.compare-table td:last-child{text-align:right;}
.compare-mobile{display:none;}
.plan-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px;
  margin-bottom:16px;
  box-shadow:var(--shadow-1);
}
.plan-card.is-featured{border-color:var(--cyan);}
.plan-card dl{margin:16px 0 18px;font-size:15px;}
.plan-card dt{font-size:13px;color:var(--meta);margin-top:12px;}
.plan-card dd{margin:2px 0 0;color:var(--text);}
.plan-card .plan-price{text-align:left;margin-top:16px;}

/* ============ 资讯卡片 ============ */
.post-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--paper-2);}
.post-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform var(--t-slow) var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.post-meta{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
  font-size:13px;
  color:var(--meta);
  font-variant-numeric:tabular-nums;
}
.post-title{
  font-size:18.5px;
  font-weight:700;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-card:hover .post-title{color:var(--energy);}
.post-excerpt{
  color:var(--muted);
  font-size:15px;
  margin-bottom:18px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-more{
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:14.5px;
  font-weight:600;
  color:var(--ink);
  display:flex;
  align-items:center;
  gap:8px;
}
.post-more i{font-size:12px;color:var(--energy);transition:transform var(--t) var(--ease);}
.post-card:hover .post-more i{transform:translateX(4px);}
.empty-state{
  min-height:240px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  text-align:center;
  background:#fff;
  border:1px dashed var(--line-strong);
  border-radius:var(--radius-card);
  padding:40px 24px;
}
.empty-state i{font-size:30px;color:var(--line-strong);}
.empty-state p{color:var(--muted);font-size:15.5px;margin:0;}

/* ============ FAQ ============ */
.faq-list.accordion{border:none;background:transparent;margin:0;}
.faq-list .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:#fff;
  margin-bottom:12px;
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.faq-list .accordion-item.is-active{border-color:var(--line-strong);box-shadow:var(--shadow-2);}
.faq-list .accordion-title{
  position:relative;
  display:flex;
  align-items:center;
  min-height:60px;
  padding:18px 60px 18px 26px;
  border:none;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  line-height:1.5;
  background:transparent;
}
.faq-list .accordion-title::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:3px;
  height:20px;
  background:var(--energy);
  border-radius:0 2px 2px 0;
}
.faq-list .accordion-title::after{
  content:"+";
  position:absolute;
  right:24px;
  top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:400;
  line-height:1;
  color:var(--cyan);
  transition:transform var(--t) var(--ease);
}
.faq-list .accordion-item.is-active .accordion-title::after{content:"−";}
.faq-list .accordion-content{
  padding:0 26px 22px;
  border:none;
  background:transparent;
  color:var(--muted);
  font-size:15.5px;
  line-height:1.85;
  display:none;
}
.faq-list .accordion-content.is-open{display:block;}
.faq-list .accordion-content p{margin:0 0 10px;}
.faq-list .accordion-content p:last-child{margin-bottom:0;}

/* ============ CTA 深色区块 ============ */
.cta-band{
  position:relative;
  background:var(--ink);
  color:#fff;
  padding:96px 0;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  left:-40px;
  top:-40px;
  width:320px;
  height:320px;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.5) 0 1px,transparent 1px 9px);
  opacity:.05;
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;max-width:660px;}
.cta-band h2{color:#fff;margin-bottom:16px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:16.5px;margin-bottom:30px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-note{margin-top:22px;font-size:13.5px;color:rgba(255,255,255,.5);}

/* ============ 表单 ============ */
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;
  height:48px;
  padding:0 14px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-btn);
  background:#fff;
  color:var(--text);
  transition:border-color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
}
.field textarea{height:110px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--ink);
  box-shadow:0 0 0 1px var(--energy);
}
.field .hint{font-size:13px;color:var(--meta);margin-top:6px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding-top:80px;font-size:15px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:56px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  letter-spacing:.03em;
  color:#fff;
  margin-bottom:16px;
}
.footer-brand .brand-mark{background:var(--energy);}
.footer-brand:hover{color:#fff;}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.6);margin-bottom:0;}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-links li{margin-bottom:12px;}
.footer-links a{
  position:relative;
  font-size:14.5px;
  color:rgba(255,255,255,.72);
}
.footer-links a:hover{color:#fff;box-shadow:inset 0 -1px 0 var(--energy);}
.footer-contact li{
  display:flex;
  gap:10px;
  margin-bottom:14px;
  font-size:14.5px;
  color:rgba(255,255,255,.72);
  line-height:1.7;
}
.footer-contact i{color:var(--energy);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:24px 0 32px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13.5px;
  color:rgba(255,255,255,.5);
}

/* ============ Reveal 弹窗 ============ */
.reveal.plan-modal{
  border:none;
  border-radius:var(--radius-card);
  padding:34px 32px 30px;
  box-shadow:0 24px 60px rgba(20,22,25,.28);
}
.plan-modal h3{margin-bottom:10px;}
.plan-modal .modal-desc{color:var(--muted);font-size:15px;margin-bottom:24px;}
.plan-modal .close-button{
  top:16px;
  right:16px;
  color:var(--meta);
  font-size:22px;
}
.plan-modal .close-button:hover{color:var(--ink);}

/* ============ 动效 ============ */
.js-ready .reveal-up{opacity:0;transform:translateY(16px);transition:opacity var(--t-slow) var(--ease),transform var(--t-slow) var(--ease);}
.js-ready .reveal-up.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .js-ready .reveal-up{opacity:1;transform:none;}
}

/* ============ 响应式 ============ */
@media screen and (max-width:1280px){
  .container{padding-left:28px;padding-right:28px;}
}
@media screen and (max-width:1024px){
  .section{padding:80px 0;}
  .nav-group{display:none;}
  .menu-toggle{display:inline-flex;}
  .nav-wrap{grid-template-columns:auto 1fr auto;height:70px;}
  .brand{justify-self:start;font-size:17px;}
  .hero{min-height:560px;}
  .hero-inner{padding:88px 0 76px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item{padding:28px 20px;border-left:none;border-top:1px solid var(--line);}
  .stat-item:nth-child(-n+2){border-top:none;}
  .stat-item:nth-child(odd){padding-left:0;}
  .stat-item:nth-child(even){border-left:1px solid var(--line);padding-left:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:768px){
  body{font-size:16px;}
  .section{padding:64px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px;}
  .hero{min-height:auto;background-position:center 30%;}
  .hero::before{background:linear-gradient(180deg,rgba(10,11,13,.86) 0%,rgba(10,11,13,.92) 100%);}
  .hero-inner{padding:64px 0 56px;}
  .hero h1{font-size:clamp(30px,7.4vw,40px);}
  .hero-sub{font-size:16px;margin-bottom:26px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 auto;min-width:150px;}
  .timeline-item{grid-template-columns:1fr;gap:10px;padding-bottom:28px;}
  .timeline-time{font-size:20px;}
  .timeline-body{padding-left:24px;}
  .compare-wrap{display:none;}
  .compare-mobile{display:block;}
  .cta-band{padding:64px 0;}
  .footer-grid{grid-template-columns:1fr;gap:34px;padding-bottom:40px;}
  .site-footer{padding-top:56px;}
}
@media screen and (max-width:520px){
  .container{padding-left:18px;padding-right:18px;}
  h1{letter-spacing:-.01em;}
  h2{font-size:23px;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{padding:22px 0;border-left:none!important;border-top:1px solid var(--line);}
  .stat-item:first-child{border-top:none;}
  .stat-num{font-size:32px;}
  .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .entry-body,.post-body{padding:18px;}
  .plan-card{padding:18px;}
  .reveal.plan-modal{padding:26px 20px 22px;}
}
@media screen and (max-width:360px){
  .brand{font-size:15.5px;letter-spacing:.01em;}
  .hero h1{font-size:28px;}
  .post-title{font-size:17px;}
}

/* roulang page: category1 */
:root{
  --ink:#12100F;
  --ink-soft:#1D1A18;
  --paper:#FBF9F5;
  --sand:#F2EEE6;
  --energy:#F26B1D;
  --energy-soft:#FDEDE2;
  --cyan:#0F7E8C;
  --cyan-soft:#E6F2F3;
  --text:#2A2724;
  --muted:#6E6862;
  --meta:#9A938B;
  --line:#E3DCD1;
  --line-strong:#CFC6B8;
  --white:#FFFFFF;
  --radius-card:6px;
  --radius-btn:4px;
  --radius-img:4px;
  --shadow-1:0 1px 2px rgba(18,16,15,.05),0 2px 8px rgba(18,16,15,.05);
  --shadow-2:0 4px 10px rgba(18,16,15,.08),0 14px 30px rgba(18,16,15,.09);
  --t:200ms ease-out;
  --container:1200px;
  --gap:24px;
  --pad-section:96px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--ink)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.01em;line-height:1.2}
p{margin:0}
button,input,select{font-family:inherit;font-size:100%}
:focus-visible{outline:2px solid var(--energy);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
section{position:relative}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:transparent;
  transition:background var(--t),box-shadow var(--t),border-color var(--t);
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  background:rgba(251,249,245,.96);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 12px rgba(18,16,15,.06);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  min-height:76px;gap:16px;
}
.nav-group{display:flex;align-items:center;gap:28px;flex:1 1 0}
.nav-group--right{justify-content:flex-end}
.nav-link{
  color:var(--ink);font-size:15px;font-weight:500;letter-spacing:.01em;
  padding:6px 2px;position:relative;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--energy);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--energy);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.brand{
  display:flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;letter-spacing:.06em;color:var(--ink);
  white-space:nowrap;flex:0 0 auto;padding:6px 10px;
}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:10px;height:18px;border-radius:2px;
  background:linear-gradient(180deg,var(--energy) 0 50%,var(--ink) 50% 100%);
  display:inline-block;
}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  background:none;border:1px solid var(--line-strong);border-radius:var(--radius-btn);
  color:var(--ink);font-size:14px;font-weight:600;padding:9px 14px;cursor:pointer;
  transition:border-color var(--t),background var(--t);
}
.nav-toggle:hover{border-color:var(--ink);background:var(--sand)}
.mobile-menu{
  display:none;position:fixed;top:0;left:0;right:0;bottom:0;z-index:80;
  background:var(--paper);padding:88px 24px 32px;overflow-y:auto;
}
.mobile-menu.is-open{display:block}
.mobile-menu a{
  display:block;padding:16px 4px;font-size:17px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-menu a.is-active{color:var(--energy)}
.mobile-menu .btn{margin-top:20px;width:100%;justify-content:center}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;transition:all var(--t);
  text-align:center;
}
.btn-primary{background:var(--ink);color:var(--white);border-color:var(--ink)}
.btn-primary:hover{background:var(--energy);border-color:var(--energy);color:var(--white);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--white)}
.btn-light{background:var(--white);color:var(--ink);border-color:var(--white)}
.btn-light:hover{background:var(--energy);color:var(--white);border-color:var(--energy)}
.btn-outline-light{background:transparent;color:var(--white);border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:var(--white);color:var(--ink);border-color:var(--white)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-lg{padding:16px 34px;font-size:16px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--energy);
  font-weight:600;font-size:15px;position:relative;padding-bottom:2px;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--energy);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.link-arrow:hover{color:var(--ink)}
.link-arrow:hover::after{transform:scaleX(1)}
.link-arrow i{transition:transform var(--t)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  padding:4px 10px;border-radius:var(--radius-btn);line-height:1.5;
}
.badge-cyan{background:var(--cyan-soft);color:var(--cyan)}
.badge-energy{background:var(--energy-soft);color:#B54A0C}
.badge-line{background:transparent;color:var(--muted);border:1px solid var(--line-strong)}

/* ---------- 面包屑 ---------- */
.breadcrumb-wrap{background:var(--sand);border-bottom:1px solid var(--line);padding-top:76px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--meta);padding:14px 0;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--energy)}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--line-strong)}

/* ---------- Hero ---------- */
.hero{
  background-image:linear-gradient(100deg,rgba(18,16,15,.92) 0%,rgba(18,16,15,.78) 46%,rgba(18,16,15,.5) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;background-repeat:no-repeat;
  color:var(--white);padding:88px 0 72px;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-60px;top:-40px;width:340px;height:340px;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.5) 0 1px,transparent 1px 12px);
  opacity:.05;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:820px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--energy);
  border:1px solid rgba(242,107,29,.5);border-radius:var(--radius-btn);
  padding:6px 12px;margin-bottom:24px;background:rgba(242,107,29,.08);
}
.hero h1{
  color:var(--white);
  font-size:clamp(34px,5vw,58px);
  font-weight:800;line-height:1.1;letter-spacing:-.02em;
  margin-bottom:22px;
}
.hero-sub{
  font-size:17px;line-height:1.85;color:rgba(255,255,255,.82);max-width:660px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.18);
  font-size:14px;color:rgba(255,255,255,.72);
}
.hero-meta span.dot{color:var(--energy)}

/* ---------- 板块通用 ---------- */
.section{padding:var(--pad-section) 0}
.section--sand{background:var(--sand)}
.section--tight{padding-top:64px}
.section-head{margin-bottom:48px;max-width:760px}
.section-head--split{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  max-width:none;
}
.eyebrow{
  display:block;font-size:13px;font-weight:700;letter-spacing:.16em;
  color:var(--cyan);margin-bottom:14px;
}
.section-title{font-size:clamp(26px,3.4vw,38px);line-height:1.2;margin-bottom:16px}
.section-desc{font-size:16.5px;color:var(--muted);line-height:1.85;max-width:720px}

/* ---------- 数据条 ---------- */
.stats-bar{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  display:flex;flex-wrap:wrap;margin-top:-56px;position:relative;z-index:5;
}
.stat-item{
  flex:1 1 0;min-width:180px;padding:28px 26px;
  border-right:1px solid var(--line);
}
.stat-item:last-child{border-right:none}
.stat-num{
  font-variant-numeric:tabular-nums;font-size:34px;font-weight:800;
  color:var(--ink);line-height:1.1;letter-spacing:-.02em;
}
.stat-num em{font-style:normal;font-size:16px;font-weight:600;color:var(--muted);margin-left:4px}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:8px}

/* ---------- 四宫格信息卡 ---------- */
.card-grid{margin:0 -12px}
.card-grid>.cell{padding:0 12px;margin-bottom:24px}
.info-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:30px 26px;height:100%;
  position:relative;transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.info-card-num{
  font-variant-numeric:tabular-nums;font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--meta);margin-bottom:18px;
}
.info-card-icon{
  width:42px;height:42px;border-radius:var(--radius-btn);
  background:var(--energy-soft);color:#B54A0C;
  display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:18px;
}
.info-card:nth-child(1) .info-card-icon{}
.info-card h3{font-size:20px;margin-bottom:12px;font-weight:600}
.info-card p{font-size:15.5px;color:var(--muted);line-height:1.8}
.info-card ul{margin-top:16px}
.info-card ul li{
  font-size:14.5px;color:var(--muted);padding-left:16px;position:relative;margin-bottom:8px;
}
.info-card ul li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:2px;background:var(--cyan);
}

/* ---------- 正文段落 + 配图 ---------- */
.prose-grid{margin:0 -14px}
.prose-grid>.cell{padding:0 14px;margin-bottom:28px}
.prose h3{font-size:22px;margin-bottom:16px}
.prose p{font-size:16.5px;color:var(--text);line-height:1.9;margin-bottom:18px}
.prose p:last-child{margin-bottom:0}
.prose .lead{font-size:17.5px;color:var(--ink);font-weight:500}
.figure{margin:0;border-radius:var(--radius-img);overflow:hidden;background:var(--sand)}
.figure img{width:100%;height:auto;object-fit:cover;border-radius:var(--radius-img)}
.figure figcaption{font-size:13px;color:var(--meta);padding:12px 2px 0;line-height:1.7}
.note-box{
  background:var(--sand);border-left:3px solid var(--cyan);
  border-radius:0 var(--radius-card) var(--radius-card) 0;
  padding:22px 24px;margin-top:24px;
}
.note-box p{font-size:15.5px;color:var(--muted);margin:0}

/* ---------- 日程列表 ---------- */
.schedule{border-top:1px solid var(--line)}
.schedule-row{
  display:grid;grid-template-columns:120px 1fr 200px 150px 120px;
  align-items:center;gap:20px;padding:22px 8px;border-bottom:1px solid var(--line);
  transition:background var(--t);
}
.schedule-row:hover{background:var(--white)}
.schedule-date{
  font-variant-numeric:tabular-nums;font-size:20px;font-weight:800;color:var(--ink);
  letter-spacing:-.01em;line-height:1.2;
}
.schedule-date small{display:block;font-size:12.5px;font-weight:500;color:var(--meta);letter-spacing:.06em;margin-top:4px}
.schedule-main strong{display:block;font-size:17px;color:var(--ink);font-weight:600;margin-bottom:4px}
.schedule-main span{font-size:14px;color:var(--muted)}
.schedule-venue,.schedule-time{font-size:14.5px;color:var(--muted)}
.schedule-time{font-variant-numeric:tabular-nums}
.schedule-act{text-align:right}

/* ---------- 清单 ---------- */
.check-list li{
  position:relative;padding-left:24px;margin-bottom:16px;
  font-size:16px;color:var(--text);line-height:1.8;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:13px;width:10px;height:2px;background:var(--energy);
}
.check-list li strong{color:var(--ink);font-weight:600}

/* ---------- FAQ ---------- */
.accordion{border:none;background:transparent}
.accordion .accordion-item{border:none;border-bottom:1px solid var(--line)}
.accordion .accordion-item:first-child{border-top:1px solid var(--line)}
.accordion .accordion-title{
  border:none;background:transparent;color:var(--ink);
  font-size:17px;font-weight:600;line-height:1.6;
  padding:22px 44px 22px 20px;min-height:56px;position:relative;display:flex;align-items:center;
  transition:color var(--t);
}
.accordion .accordion-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;background:var(--energy);border-radius:2px;
}
.accordion .accordion-title::after{
  content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--cyan);line-height:1;transition:transform var(--t);
}
.accordion .accordion-title[aria-expanded="true"]{color:var(--cyan)}
.accordion .accordion-title[aria-expanded="true"]::after{content:"−";color:var(--energy)}
.accordion .accordion-title:hover{color:var(--cyan)}
.accordion .accordion-content{
  border:none;background:transparent;padding:0 44px 24px 20px;
  font-size:15.5px;color:var(--muted);line-height:1.85;
}
.accordion .accordion-content p{margin-bottom:10px}
.accordion .accordion-content p:last-child{margin-bottom:0}

/* ---------- CTA ---------- */
.cta-band{
  background-image:linear-gradient(105deg,rgba(18,16,15,.97) 0%,rgba(18,16,15,.9) 60%,rgba(18,16,15,.82) 100%),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  color:var(--white);padding:84px 0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:rgba(255,255,255,.1);
}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:36px;position:relative;z-index:2}
.cta-text{max-width:640px}
.cta-text h2{color:var(--white);font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.cta-text p{color:rgba(255,255,255,.74);font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-note{margin-top:22px;font-size:13.5px;color:rgba(255,255,255,.55)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:72px 0 28px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;letter-spacing:.05em;color:var(--white);margin-bottom:18px;
}
.footer-brand:hover{color:var(--white)}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:360px}
.footer-title{font-size:14px;font-weight:700;color:var(--white);letter-spacing:.08em;margin-bottom:18px}
.footer-links li,.footer-contact li{margin-bottom:12px;font-size:14.5px}
.footer-links a{color:rgba(255,255,255,.66);position:relative}
.footer-links a::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:100%;
  background:var(--energy);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.footer-links a:hover{color:var(--white)}
.footer-links a:hover::after{transform:scaleX(1)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.66)}
.footer-contact i{color:var(--energy);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity 320ms ease-out,transform 320ms ease-out}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1280px){
  .schedule-row{grid-template-columns:110px 1fr 180px 140px 110px;gap:16px}
}
@media screen and (max-width:1024px){
  :root{--pad-section:80px}
  .nav-group{gap:18px}
  .nav-link{font-size:14.5px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .schedule-row{grid-template-columns:110px 1fr 1fr;grid-template-areas:"date main main" "date venue time";}
  .schedule-date{grid-area:date}
  .schedule-main{grid-area:main}
  .schedule-venue{grid-area:venue}
  .schedule-time{grid-area:time}
  .schedule-act{display:none}
}
@media screen and (max-width:900px){
  .nav-group{display:none}
  .nav-toggle{display:inline-flex}
  .brand{font-size:17px;padding:6px 0}
}
@media screen and (max-width:640px){
  :root{--pad-section:64px}
  body{font-size:16px}
  .container{padding:0 20px}
  .card-grid{margin:0 -8px}
  .card-grid>.cell{padding:0 8px;margin-bottom:16px}
  .prose-grid{margin:0}
  .prose-grid>.cell{padding:0}
  .hero{padding:64px 0 56px;min-height:auto}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .hero-meta{font-size:13.5px}
  .stats-bar{margin-top:-40px}
  .stat-item{flex:1 1 50%;border-right:none;border-bottom:1px solid var(--line);padding:20px}
  .stat-item:nth-child(odd){border-right:1px solid var(--line)}
  .stat-num{font-size:26px}
  .section-head--split{flex-direction:column;align-items:flex-start}
  .schedule-row{grid-template-columns:1fr;grid-template-areas:"date" "main" "venue" "time";gap:6px;padding:20px 4px}
  .schedule-date{font-size:18px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:64px 0}
  .cta-actions .btn{width:100%}
  .accordion .accordion-title{font-size:16px;padding:20px 40px 20px 16px}
  .accordion .accordion-content{padding:0 40px 22px 16px}
}
@media screen and (max-width:360px){
  .brand{font-size:15.5px;letter-spacing:.02em}
  .hero h1{font-size:28px}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: article */
:root{
  --ink:#14161a;
  --ink-soft:#2a2e35;
  --paper:#faf8f4;
  --paper-alt:#f1eee8;
  --white:#ffffff;
  --orange:#ff5a1f;
  --orange-soft:rgba(255,90,31,.10);
  --teal:#0f8b8d;
  --teal-soft:rgba(15,139,141,.10);
  --text:#33373d;
  --text-mute:#6b7078;
  --text-light:#9aa0a8;
  --line:#e2ddd4;
  --line-strong:#cfc8bc;
  --radius-card:6px;
  --radius-sm:4px;
  --shadow-1:0 1px 2px rgba(20,22,26,.05),0 1px 3px rgba(20,22,26,.04);
  --shadow-2:0 12px 26px rgba(20,22,26,.10),0 3px 8px rgba(20,22,26,.06);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t-fast:160ms;
  --t-mid:220ms;
  --t-slow:320ms;
  --gap:24px;
  --sp-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;background-color:transparent}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:2px}
button{font:inherit;color:inherit;background:none;border:0}
ul,ol{margin:0}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em}
p{margin:0}
table{border-collapse:collapse}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sp-section) 0}
.section--alt{background:var(--paper-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-title{font-size:clamp(24px,2.4vw,32px);font-weight:800;line-height:1.25;letter-spacing:-.02em}
.section-desc{margin-top:10px;font-size:15px;color:var(--text-mute);max-width:62ch}
.link-more{font-size:14.5px;font-weight:600;color:var(--ink);position:relative;padding-bottom:2px}
.link-more::after{content:'';position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--orange);transform:scaleX(.35);transform-origin:left;transition:transform var(--t-mid) var(--ease)}
.link-more:hover::after{transform:scaleX(1)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(250,248,244,.94);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:box-shadow var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease)}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-1)}
.nav-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;height:76px}
.nav-group{display:flex;align-items:center;gap:30px}
.nav-group--right{justify-self:end}
.nav-link{position:relative;font-size:15px;font-weight:600;color:var(--ink);padding:6px 0;white-space:nowrap;transition:color var(--t-fast) var(--ease)}
.nav-link::after{content:'';position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--orange);transition:right var(--t-mid) var(--ease)}
.nav-link:hover::after,.nav-link.is-active::after{right:0}
.nav-link:hover{color:var(--ink)}
.nav-link.is-active{color:var(--orange)}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink);white-space:nowrap}
.brand-mark{width:11px;height:11px;background:var(--orange);border-radius:2px;transform:rotate(45deg);flex:0 0 auto}
.brand:hover .brand-mark{background:var(--teal)}
.nav-actions{display:flex;align-items:center;gap:14px}
.read-progress{position:absolute;left:0;bottom:-1px;width:100%;height:2px;background:transparent;overflow:hidden}
.read-progress span{display:block;height:100%;width:0;background:var(--orange);transition:width 120ms linear}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);cursor:pointer;transition:border-color var(--t-fast) var(--ease)}
.nav-toggle:hover{border-color:var(--ink)}
.nav-toggle i{font-size:16px}
.mobile-menu{display:none;border-top:1px solid var(--line);background:var(--paper);box-shadow:var(--shadow-1);max-height:calc(100vh - 76px);overflow-y:auto}
.mobile-menu.is-open{display:block}
.mobile-menu ul{list-style:none;padding:8px 0;margin:0}
.mobile-menu li+li{border-top:1px solid var(--line)}
.mobile-menu a.m-link{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:12px 0;font-size:15.5px;font-weight:600;color:var(--ink)}
.mobile-menu a.m-link.is-active{color:var(--orange)}
.mobile-menu .m-cta{padding:16px 0 24px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:background-color var(--t-mid) var(--ease),color var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease),transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease)}
.btn i{font-size:13px}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--orange);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--orange);color:#fff}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn--block{width:100%}

/* ---------- badges / tags ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;padding:4px 10px;border-radius:var(--radius-sm);letter-spacing:.01em}
.badge--teal{background:var(--teal-soft);color:var(--teal)}
.badge--orange{background:var(--orange-soft);color:var(--orange)}
.badge--ink{background:var(--ink);color:#fff}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--paper-alt);border-bottom:1px solid var(--line);padding:14px 0}
.breadcrumb{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;font-size:13.5px;color:var(--text-mute)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:'/';color:var(--line-strong)}
.breadcrumb a{color:var(--text-mute);transition:color var(--t-fast) var(--ease)}
.breadcrumb a:hover{color:var(--orange)}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article ---------- */
.article-shell{padding:56px 0 96px}
.article-head{margin-bottom:30px}
.article-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--teal)}
.article-kicker::before{content:'';width:22px;height:1px;background:var(--teal)}
.article-title{font-size:clamp(28px,4.1vw,43px);font-weight:800;line-height:1.16;letter-spacing:-.025em;color:var(--ink);margin:16px 0 20px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 22px;font-size:13.5px;color:var(--text-mute);padding-bottom:24px;border-bottom:1px solid var(--line)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--text-light);font-size:12.5px}
.article-lead{font-size:17px;line-height:1.9;color:var(--ink-soft);margin-bottom:8px}

.article-body{font-size:17px;line-height:1.9;color:var(--text);margin-top:32px}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 22px}
.article-body h2{font-size:26px;font-weight:700;line-height:1.38;margin:44px 0 16px;padding-left:14px;position:relative;letter-spacing:-.015em}
.article-body h2::before{content:'';position:absolute;left:0;top:.28em;width:4px;height:1em;background:var(--orange);border-radius:1px}
.article-body h3{font-size:20px;font-weight:600;line-height:1.5;margin:32px 0 12px;color:var(--ink)}
.article-body h4{font-size:17.5px;font-weight:600;margin:24px 0 10px;color:var(--ink)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body em{font-style:normal;color:var(--teal);font-weight:600}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:0;list-style:none}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px}
.article-body ul li::before{content:'';position:absolute;left:2px;top:.82em;width:9px;height:2px;background:var(--orange);border-radius:1px}
.article-body ol{counter-reset:item}
.article-body ol li{position:relative;padding-left:34px;margin-bottom:12px;counter-increment:item}
.article-body ol li::before{content:counter(item,decimal-leading-zero);position:absolute;left:0;top:0;font-size:12.5px;font-weight:700;color:var(--teal);line-height:2.2;font-variant-numeric:tabular-nums}
.article-body blockquote{margin:28px 0;padding:20px 24px;background:var(--paper-alt);border-left:3px solid var(--teal);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--ink-soft);font-size:16.5px}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--teal);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;transition:color var(--t-fast) var(--ease)}
.article-body a:hover{color:#0a6b6d;text-decoration-thickness:2px}
.article-body img{border-radius:var(--radius-sm);margin:28px auto;height:auto}
.article-body figure{margin:28px 0}
.article-body figcaption{font-size:13.5px;color:var(--text-light);margin-top:10px;text-align:center;line-height:1.7}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;background:var(--paper-alt);border:1px solid var(--line);border-radius:3px;padding:2px 6px;color:var(--ink-soft)}
.article-body pre{background:var(--ink);color:#e8e9ec;border-radius:var(--radius-card);padding:20px 22px;overflow-x:auto;font-size:14px;line-height:1.75;margin:26px 0}
.article-body pre code{background:none;border:0;padding:0;color:inherit}
.article-body table{width:100%;font-size:15px;margin:26px 0;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.article-body thead th{background:var(--ink);color:#fff;font-weight:600;text-align:left;padding:13px 16px;font-size:14.5px}
.article-body tbody td{padding:13px 16px;border-top:1px solid var(--line);color:var(--text)}
.article-body tbody tr:hover{background:var(--paper-alt)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}

.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.article-tags .tag-label{font-size:13.5px;color:var(--text-mute);font-weight:600}
.tag{display:inline-flex;align-items:center;font-size:13px;font-weight:600;padding:5px 12px;border-radius:var(--radius-sm);background:var(--paper-alt);color:var(--ink-soft);border:1px solid var(--line);transition:all var(--t-fast) var(--ease)}
.tag:hover{background:#fff;border-color:var(--teal);color:var(--teal)}

.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:32px}
.post-nav a{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px 22px;box-shadow:var(--shadow-1);transition:transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease)}
.post-nav a:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.post-nav .pn-label{font-size:12.5px;font-weight:700;color:var(--teal);letter-spacing:.03em}
.post-nav .pn-title{margin-top:8px;font-size:16px;font-weight:700;color:var(--ink);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-nav .pn-sub{margin-top:6px;font-size:13.5px;color:var(--text-mute)}
.post-nav .pn-right{text-align:right}

/* ---------- empty state ---------- */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:280px;padding:48px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);margin-top:32px}
.empty-state svg{width:56px;height:56px;stroke:var(--line-strong);fill:none;stroke-width:1.5;margin-bottom:20px}
.empty-state h2{font-size:20px;font-weight:700;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--text-mute);margin-bottom:22px;max-width:44ch}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.reco-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease)}
.reco-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.reco-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--paper-alt)}
.reco-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow) var(--ease)}
.reco-card:hover .reco-thumb img{transform:scale(1.05)}
.reco-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.reco-cat{font-size:12.5px;font-weight:700;color:var(--teal);letter-spacing:.02em}
.reco-title{margin-top:10px;font-size:17px;font-weight:700;line-height:1.55;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--t-fast) var(--ease)}
.reco-card:hover .reco-title{color:var(--orange)}
.reco-sum{margin-top:10px;font-size:14px;line-height:1.75;color:var(--text-mute);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.reco-arrow{margin-top:auto;padding-top:18px;font-size:13.5px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:8px}
.reco-arrow i{transition:transform var(--t-mid) var(--ease)}
.reco-card:hover .reco-arrow i{transform:translateX(4px)}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-of-type{border-top:1px solid var(--line)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:64px;padding:16px 4px 16px 20px;position:relative;font-size:17px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none;transition:color var(--t-fast) var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:18px;background:var(--orange);border-radius:1px;opacity:0;transition:opacity var(--t-fast) var(--ease)}
.faq-item summary:hover{color:var(--orange)}
.faq-item summary:hover::before,.faq-item[open] summary::before{opacity:1}
.faq-icon{position:relative;flex:0 0 auto;width:22px;height:22px}
.faq-icon::before,.faq-icon::after{content:'';position:absolute;background:var(--teal);border-radius:1px;transition:transform var(--t-mid) var(--ease),opacity var(--t-mid) var(--ease)}
.faq-icon::before{left:0;top:10px;width:22px;height:2px}
.faq-icon::after{left:10px;top:0;width:2px;height:22px}
.faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-answer{padding:0 4px 26px 20px;font-size:15.5px;line-height:1.9;color:var(--text-mute);max-width:74ch}
.faq-answer p+p{margin-top:12px}

/* ---------- cta band ---------- */
.cta-band{position:relative;background:var(--ink);color:#fff;padding:88px 0;overflow:hidden}
.cta-band::after{content:'';position:absolute;right:-60px;top:-60px;width:340px;height:340px;background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);background-size:16px 16px;opacity:.35;pointer-events:none}
.cta-band::before{content:'';position:absolute;left:0;bottom:0;width:180px;height:100%;background:repeating-linear-gradient(115deg,rgba(255,90,31,.22) 0 1px,transparent 1px 14px);opacity:.5;pointer-events:none}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .9fr;gap:48px;align-items:center}
.cta-inner h2{color:#fff;font-size:clamp(24px,2.6vw,34px);font-weight:800;line-height:1.3;letter-spacing:-.02em}
.cta-inner p{margin-top:16px;font-size:15.5px;line-height:1.9;color:#b9bec6;max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-note{margin-top:18px;font-size:13.5px;color:#8b9199;text-align:right}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#c9ccd2;padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;letter-spacing:-.02em;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--orange)}
.site-footer p{font-size:14px;line-height:1.9;color:#9aa0a8;margin:0;max-width:36ch}
.footer-title{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:18px;letter-spacing:.02em}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14px;color:#9aa0a8;transition:color var(--t-fast) var(--ease)}
.footer-links a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--orange);text-underline-offset:4px}
.footer-contact{list-style:none;margin:0;padding:0;font-size:14px;color:#9aa0a8}
.footer-contact li{display:flex;gap:10px;margin-bottom:13px;line-height:1.7}
.footer-contact i{color:var(--orange);width:16px;flex:0 0 16px;margin-top:5px;font-size:13px}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#7c828b}

/* ---------- reveal ---------- */
.reveal-up{opacity:0;transform:translateY(18px);transition:opacity 320ms var(--ease),transform 320ms var(--ease)}
.reveal-up.is-visible{opacity:1;transform:none}

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

/* ---------- responsive ---------- */
@media (max-width:1280px){
  :root{--sp-section:88px}
}
@media (max-width:1024px){
  :root{--sp-section:76px}
  .nav-group{display:none}
  .nav-inner{grid-template-columns:auto 1fr auto;height:68px;gap:14px}
  .brand{justify-self:center;font-size:17.5px}
  .nav-toggle{display:inline-flex}
  .nav-actions{justify-self:end}
  .nav-actions .btn{display:none}
  .article-shell{padding:40px 0 72px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .cta-actions{justify-content:flex-start}
  .cta-note{text-align:left}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:640px){
  :root{--sp-section:64px;--gap:16px}
  body{font-size:16px;line-height:1.82}
  .container{padding:0 20px}
  .brand{font-size:16px}
  .brand-mark{width:9px;height:9px}
  .article-shell{padding:32px 0 56px}
  .article-title{font-size:clamp(24px,7vw,30px)}
  .article-body{font-size:16px;line-height:1.88;margin-top:24px}
  .article-body h2{font-size:21.5px;margin:36px 0 14px}
  .article-body h3{font-size:18px}
  .article-body blockquote{padding:16px 18px}
  .section-head{margin-bottom:28px}
  .related-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr;gap:14px}
  .post-nav .pn-right{text-align:left}
  .faq-item summary{font-size:16px;padding-left:16px;min-height:58px}
  .faq-answer{padding-left:16px}
  .cta-band{padding:64px 0}
  .site-footer{padding-top:56px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{margin-top:40px;flex-direction:column;gap:8px}
  .empty-state{min-height:240px;padding:36px 18px}
}
@media (max-width:360px){
  .container{padding:0 16px}
  .brand{font-size:15px}
  .btn{height:44px;padding:0 18px;font-size:14.5px}
  .article-meta{gap:6px 14px}
}

/* roulang page: category3 */
:root{
  --ink:#12100E;
  --ink-soft:#2B2724;
  --paper:#FBF9F5;
  --paper-alt:#F1EDE6;
  --white:#FFFFFF;
  --orange:#FF6A13;
  --teal:#0E7C7B;
  --muted:#6B635C;
  --meta:#9A918A;
  --line:#E3DCD2;
  --line-dark:#3A342F;
  --radius-card:6px;
  --radius-btn:4px;
  --radius-img:4px;
  --shadow-1:0 1px 2px rgba(18,16,14,.05), 0 6px 18px rgba(18,16,14,.04);
  --shadow-2:0 4px 10px rgba(18,16,14,.08), 0 16px 36px rgba(18,16,14,.08);
  --t-fast:160ms ease-out;
  --t-base:220ms ease-out;
  --sect-y:96px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-soft);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--teal);text-decoration:none;transition:color var(--t-fast);}
a:hover{color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background var(--t-base),border-color var(--t-base),box-shadow var(--t-base);
}
.site-header.is-scrolled{
  background:rgba(251,249,245,.96);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(18,16,14,.02),0 8px 24px rgba(18,16,14,.05);
  backdrop-filter:saturate(140%) blur(4px);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  min-height:76px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--white);
  font-size:19px;font-weight:800;letter-spacing:.06em;
  white-space:nowrap;
  transition:color var(--t-base);
}
.brand:hover{color:var(--white);}
.brand-mark{
  width:12px;height:12px;border-radius:2px;flex:0 0 12px;
  background:var(--orange);
  box-shadow:0 0 0 4px rgba(255,106,19,.18);
}
.is-scrolled .brand{color:var(--ink);}
.is-scrolled .brand:hover{color:var(--ink);}
.nav-group{display:flex;align-items:center;gap:26px;}
.nav-group--left{justify-content:flex-start;}
.nav-group--right{justify-content:flex-end;}
.nav-link{
  position:relative;
  color:rgba(255,255,255,.86);
  font-size:15.5px;font-weight:500;
  padding:6px 0;
  transition:color var(--t-fast);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:left center;
  transition:transform var(--t-base);
}
.nav-link:hover{color:var(--white);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--white);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.is-scrolled .nav-link{color:var(--ink-soft);}
.is-scrolled .nav-link:hover{color:var(--ink);}
.is-scrolled .nav-link.is-active{color:var(--ink);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;
  background:var(--ink);color:var(--white);
  border:1px solid var(--ink);border-radius:var(--radius-btn);
  font-size:14.5px;font-weight:600;letter-spacing:.02em;
  transition:background var(--t-base),border-color var(--t-base),color var(--t-base);
}
.nav-cta:hover{background:var(--orange);border-color:var(--orange);color:var(--white);}
.is-scrolled .nav-cta{background:var(--ink);}
.nav-toggle{
  display:none;
  width:44px;height:44px;padding:0;
  background:transparent;border:0;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  justify-self:end;
}
.nav-toggle span{
  display:block;width:22px;height:2px;background:var(--white);
  transition:background var(--t-base),transform var(--t-base),opacity var(--t-base);
}
.is-scrolled .nav-toggle span{background:var(--ink);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-nav{
  display:none;
  background:var(--ink);
  border-top:1px solid var(--line-dark);
  padding:8px 0 18px;
}
.mobile-nav.is-open{display:block;}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:50px;padding:0 24px;
  color:rgba(255,255,255,.88);
  border-bottom:1px solid var(--line-dark);
  font-size:16px;font-weight:500;
}
.mobile-nav a:last-child{border-bottom:0;}
.mobile-nav a.is-active{color:var(--orange);font-weight:700;}
.mobile-nav a i{font-size:12px;color:var(--meta);}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--t-base),color var(--t-base),border-color var(--t-base),transform var(--t-base);
}
.btn--primary{background:var(--ink);color:var(--white);border-color:var(--ink);}
.btn--primary:hover{background:var(--orange);border-color:var(--orange);color:var(--white);transform:translateY(-1px);}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn--ghost:hover{background:var(--ink);color:var(--white);}
.btn--on-dark{background:transparent;color:var(--white);border-color:rgba(255,255,255,.55);}
.btn--on-dark:hover{background:var(--white);color:var(--ink);border-color:var(--white);}
.btn--text{
  height:auto;padding:0;border:0;background:none;
  color:var(--ink);font-weight:600;
}
.btn--text span{
  position:relative;display:inline-block;
}
.btn--text span::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;background:var(--orange);
  transform:scaleX(0);transform-origin:left center;transition:transform var(--t-base);
}
.btn--text:hover span::after{transform:scaleX(1);}
.btn--text i{font-size:12px;transition:transform var(--t-base);}
.btn--text:hover i{transform:translateX(4px);}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;
  min-height:600px;
  display:flex;align-items:flex-end;
  padding:150px 0 66px;
  overflow:hidden;
  background:var(--ink);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(18,16,14,.94) 0%,rgba(18,16,14,.82) 46%,rgba(18,16,14,.52) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:var(--radius-btn);
  background:rgba(255,106,19,.14);
  border:1px solid rgba(255,106,19,.45);
  color:#FFB27A;font-size:13px;font-weight:600;letter-spacing:.08em;
  margin-bottom:22px;
}
.hero h1{
  color:var(--white);
  font-size:clamp(34px,4.6vw,60px);
  font-weight:800;line-height:1.1;letter-spacing:-.01em;
  max-width:16em;
}
.hero-sub{
  max-width:44em;margin-top:22px;
  color:rgba(255,255,255,.78);
  font-size:17px;line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:34px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.16);
  color:rgba(255,255,255,.7);font-size:14px;
}
.hero-meta i{color:var(--orange);margin-right:6px;font-size:12px;}
.hero-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4);}

/* ---------- 数据条 ---------- */
.stats{
  background:var(--ink);
  border-top:1px solid var(--line-dark);
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  padding:34px 0;
}
.stats-item{
  padding:0 22px;
  border-left:1px solid var(--line-dark);
}
.stats-item:first-child{border-left:0;padding-left:0;}
.stats-num{
  color:var(--white);font-size:32px;font-weight:800;line-height:1.2;
  letter-spacing:-.01em;
}
.stats-num small{font-size:15px;font-weight:600;color:var(--orange);margin-left:4px;}
.stats-label{color:rgba(255,255,255,.6);font-size:13.5px;margin-top:4px;}

/* ---------- 板块 ---------- */
.section{padding:var(--sect-y) 0;}
.section--alt{background:var(--paper-alt);}
.section--tight{padding-top:72px;padding-bottom:72px;}
.section-head{max-width:820px;margin-bottom:52px;}
.eyebrow{
  display:inline-block;margin-bottom:14px;
  color:var(--orange);font-size:13px;font-weight:700;letter-spacing:.14em;
}
.section-title{
  font-size:clamp(26px,2.6vw,36px);
  font-weight:800;line-height:1.25;letter-spacing:-.01em;color:var(--ink);
}
.section-desc{margin-top:16px;color:var(--muted);font-size:16.5px;max-width:52em;}
.section-head--row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  max-width:none;
}

/* ---------- 流程时间线 ---------- */
.timeline{position:relative;padding-left:30px;}
.timeline::before{
  content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--orange) 0%,var(--line) 100%);
}
.tl-item{position:relative;padding:0 0 40px 0;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:9px;
  width:12px;height:12px;border-radius:50%;
  background:var(--paper);border:3px solid var(--orange);
  transition:transform var(--t-base);
}
.section--alt .tl-item::before{background:var(--paper-alt);}
.tl-item:hover::before{transform:scale(1.18);}
.tl-time{
  display:inline-flex;align-items:center;
  font-size:15px;font-weight:700;color:var(--ink);
  letter-spacing:.02em;
}
.tl-time i{color:var(--orange);margin-right:8px;font-size:12px;}
.tl-title{
  margin-top:6px;font-size:21px;font-weight:700;color:var(--ink);letter-spacing:-.005em;
}
.tl-text{margin-top:6px;color:var(--muted);font-size:16px;max-width:44em;}
.tl-tag{
  display:inline-block;margin-top:12px;
  padding:3px 10px;border-radius:var(--radius-btn);
  background:rgba(14,124,123,.1);color:var(--teal);
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
}

/* ---------- 图文分栏 ---------- */
.split{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.split--reverse .split-media{order:2;}
.split h2{font-size:clamp(24px,2.4vw,32px);font-weight:800;line-height:1.3;color:var(--ink);letter-spacing:-.01em;}
.split p{margin-top:18px;color:var(--muted);}
.split-media figure{margin:0;}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-img);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.split-media figcaption{
  margin-top:10px;color:var(--meta);font-size:13.5px;line-height:1.6;
}

/* ---------- 要点清单 ---------- */
.check-list{margin-top:26px;display:grid;gap:14px;}
.check-list li{
  position:relative;padding-left:26px;
  color:var(--ink-soft);font-size:16px;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:12px;height:2px;background:var(--orange);border-radius:2px;
}
.check-list li b{color:var(--ink);font-weight:700;}
.check-list--two{grid-template-columns:repeat(2,1fr);gap:14px 40px;}

/* ---------- 场地卡片 ---------- */
.venue-card{
  height:100%;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--t-base),box-shadow var(--t-base),border-color var(--t-base);
}
.venue-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#CFC5B8;}
.venue-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.venue-body{padding:22px 22px 24px;}
.venue-body h3{font-size:20px;font-weight:700;color:var(--ink);}
.venue-body p{margin-top:8px;color:var(--muted);font-size:15.5px;line-height:1.75;}
.venue-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.badge{
  display:inline-block;padding:3px 10px;border-radius:var(--radius-btn);
  font-size:12.5px;font-weight:600;letter-spacing:.03em;
  background:rgba(14,124,123,.1);color:var(--teal);
}
.badge--orange{background:rgba(255,106,19,.12);color:#C64A00;}

/* ---------- FAQ ---------- */
.faq-accordion{margin:0;border:0;background:transparent;}
.faq-accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--white);
  margin-bottom:14px;
  box-shadow:var(--shadow-1);
  transition:border-color var(--t-base),box-shadow var(--t-base);
}
.faq-accordion .accordion-item.is-active{border-color:#CFC5B8;box-shadow:var(--shadow-2);}
.faq-accordion .accordion-title{
  display:flex;align-items:center;gap:14px;
  min-height:60px;padding:16px 54px 16px 22px;
  border:0;border-radius:var(--radius-card);
  color:var(--ink);font-size:17px;font-weight:700;line-height:1.5;
  position:relative;
}
.faq-accordion .accordion-title::before{
  content:"";position:absolute;right:22px;top:50%;
  width:12px;height:2px;background:var(--orange);
  transform:translateY(-50%);
}
.faq-accordion .accordion-title::after{
  content:"";position:absolute;right:27px;top:50%;
  width:2px;height:12px;background:var(--orange);
  transform:translateY(-50%);
  transition:transform var(--t-fast),opacity var(--t-fast);
}
.faq-accordion .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) scaleY(0);opacity:0;}
.faq-accordion .accordion-title:hover{color:var(--ink);}
.faq-accordion .accordion-title .q-mark{
  width:3px;height:18px;border-radius:2px;background:var(--orange);flex:0 0 3px;
}
.faq-accordion .accordion-content{
  padding:0 22px 22px 39px;
  border:0;color:var(--muted);font-size:16px;line-height:1.85;
}

/* ---------- 深色 CTA ---------- */
.cta-band{
  position:relative;
  background:var(--ink);
  padding:88px 0;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  opacity:.14;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;
  background-image:radial-gradient(rgba(255,106,19,.5) 1px,transparent 1px);
  background-size:14px 14px;opacity:.16;
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:36px;}
.cta-inner h2{
  color:var(--white);font-size:clamp(26px,2.8vw,38px);
  font-weight:800;line-height:1.25;letter-spacing:-.01em;max-width:16em;
}
.cta-inner p{margin-top:16px;color:rgba(255,255,255,.68);max-width:38em;font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-note{margin-top:26px;color:rgba(255,255,255,.5);font-size:13.5px;position:relative;z-index:2;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:78px 0 30px;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--white);font-size:18px;font-weight:800;letter-spacing:.05em;
  margin-bottom:16px;
}
.footer-brand:hover{color:var(--white);}
.footer-brand .brand-mark{box-shadow:0 0 0 4px rgba(255,106,19,.18);}
.site-footer p{color:rgba(255,255,255,.62);line-height:1.85;max-width:34em;}
.footer-title{color:var(--white);font-size:15px;font-weight:700;letter-spacing:.04em;margin-bottom:18px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{
  position:relative;color:rgba(255,255,255,.66);font-size:15px;
  transition:color var(--t-fast);
}
.footer-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--orange);
  transform:scaleX(0);transform-origin:left center;transition:transform var(--t-base);
}
.footer-links a:hover{color:var(--white);}
.footer-links a:hover::after{transform:scaleX(1);}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;color:rgba(255,255,255,.66);line-height:1.7;}
.footer-contact i{color:var(--orange);margin-top:6px;font-size:14px;flex:0 0 16px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:56px;padding-top:22px;
  border-top:1px solid var(--line-dark);
  color:rgba(255,255,255,.42);font-size:13.5px;
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 320ms ease-out,transform 320ms ease-out;}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1279px){
  :root{--sect-y:88px;}
  .stats-num{font-size:28px;}
}
@media screen and (max-width:1023px){
  :root{--sect-y:76px;}
  .nav-group{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{grid-template-columns:auto 1fr auto;min-height:68px;}
  .brand{font-size:17px;justify-self:start;}
  .brand-mark{width:10px;height:10px;flex:0 0 10px;}
  .split{grid-template-columns:1fr;gap:34px;}
  .split--reverse .split-media{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:38px;}
  .hero{min-height:540px;padding:130px 0 56px;}
  .check-list--two{grid-template-columns:1fr;}
}
@media screen and (max-width:767px){
  :root{--sect-y:64px;--gap:16px;}
  body{font-size:16px;}
  .container{padding:0 20px;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:24px 0;padding:26px 0;}
  .stats-item{padding:0 16px;border-left:0;}
  .stats-item:nth-child(odd){padding-left:0;}
  .stats-item:nth-child(even){border-left:1px solid var(--line-dark);}
  .stats-num{font-size:24px;}
  .hero{min-height:0;padding:118px 0 48px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .hero-meta{font-size:13.5px;}
  .section-head{margin-bottom:36px;}
  .section-head--row{flex-direction:column;align-items:flex-start;gap:14px;}
  .timeline{padding-left:24px;}
  .tl-item::before{left:-24px;width:10px;height:10px;border-width:2px;}
  .tl-title{font-size:19px;}
  .faq-accordion .accordion-title{font-size:16px;padding:14px 48px 14px 18px;}
  .faq-accordion .accordion-content{padding:0 18px 18px 34px;}
  .cta-band{padding:64px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer{padding:56px 0 24px;}
  .footer-bottom{margin-top:36px;flex-direction:column;}
}
@media screen and (max-width:400px){
  .brand{font-size:15.5px;letter-spacing:.02em;}
  .brand-mark{display:none;}
  .hero h1{font-size:26px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --ink:#12100E;
  --ink-2:#1D1A16;
  --paper:#F8F5F0;
  --paper-alt:#F0EBE3;
  --orange:#F2601C;
  --orange-deep:#D44D0D;
  --orange-tint:rgba(242,96,28,.10);
  --cyan:#1C7C86;
  --cyan-tint:rgba(28,124,134,.10);
  --text:#23201C;
  --muted:#6C665F;
  --meta:#958E86;
  --line:#E2DBD1;
  --line-strong:#CFC6B8;
  --white:#FFFFFF;
  --radius:6px;
  --radius-sm:4px;
  --shadow-1:0 1px 2px rgba(24,20,16,.05),0 2px 10px rgba(24,20,16,.04);
  --shadow-2:0 10px 26px rgba(24,20,16,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:200ms;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:104px;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.01em;line-height:1.25;}
p{margin:0 0 18px;}
ul,ol{margin:0 0 18px;padding:0;}
strong{font-weight:700;color:var(--ink);}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 18px;border-radius:0 0 var(--radius-sm) 0;z-index:200;}
.skip-link:focus{left:0;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(248,245,240,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease),background-color var(--t) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(248,245,240,.98);
  border-bottom-color:var(--line);
  box-shadow:0 1px 0 rgba(24,20,16,.02),0 6px 18px rgba(24,20,16,.05);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:20px;
  min-height:76px;
}
.nav-group{display:flex;align-items:center;gap:26px;}
.nav-group--left{justify-content:flex-start;}
.nav-group--right{justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink);
  padding:6px 0;
  white-space:nowrap;
  transition:color var(--t) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;
  background:var(--orange);border-radius:1px;
  transform:scaleX(0);transform-origin:left;
  transition:transform 240ms var(--ease);
}
.nav-link:hover{color:var(--orange-deep);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--orange-deep);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;letter-spacing:.02em;color:var(--ink);
  white-space:nowrap;
}
.brand-mark{
  width:12px;height:12px;border-radius:3px;
  background:var(--orange);
  box-shadow:0 0 0 4px var(--orange-tint);
  flex:0 0 12px;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:1px;transition:transform var(--t) var(--ease),opacity var(--t) var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-menu{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:8px 24px 20px;
}
.mobile-menu.is-open{display:block;}
.mobile-menu a{
  display:block;padding:14px 0;font-size:16px;font-weight:500;
  border-bottom:1px solid var(--line);color:var(--ink);min-height:48px;
}
.mobile-menu a:last-child{border-bottom:0;}
.mobile-menu a.is-active{color:var(--orange-deep);font-weight:700;}
.mobile-menu .btn{margin-top:14px;justify-content:center;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border:1px solid transparent;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:background-color var(--t) var(--ease),color var(--t) var(--ease),
             border-color var(--t) var(--ease),transform var(--t) var(--ease),
             box-shadow var(--t) var(--ease);
}
.btn--primary{background:var(--ink);color:#fff;}
.btn--primary:hover{background:var(--orange);color:#fff;transform:translateY(-1px);box-shadow:0 6px 16px rgba(242,96,28,.24);}
.btn--ghost{border-color:rgba(18,16,14,.26);color:var(--ink);background:transparent;}
.btn--ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn--light{background:#fff;color:var(--ink);}
.btn--light:hover{background:var(--orange);color:#fff;transform:translateY(-1px);}
.btn--outline-light{border-color:rgba(255,255,255,.42);color:#fff;background:transparent;}
.btn--outline-light:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn--sm{padding:10px 18px;font-size:14px;}
.link-arrow{
  position:relative;display:inline-block;color:var(--orange-deep);font-weight:600;
  border-bottom:1px solid rgba(242,96,28,.42);padding-bottom:1px;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:-1px;width:100%;height:1px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;
  transition:transform 260ms var(--ease);
}
.link-arrow:hover::after{transform:scaleX(1);}
.link-arrow i{margin-left:6px;font-size:12px;transition:transform var(--t) var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
  padding:4px 10px;border-radius:var(--radius-sm);line-height:1.6;
}
.badge--cyan{background:var(--cyan-tint);color:var(--cyan);}
.badge--orange{background:var(--orange-tint);color:var(--orange-deep);}
.badge--ghost{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(112deg,rgba(18,16,14,.95) 0%,rgba(18,16,14,.88) 42%,rgba(18,16,14,.62) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#fff;padding:104px 0 84px;
}
.page-hero::after{
  content:"";position:absolute;right:-60px;top:-40px;width:340px;height:340px;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:16px 16px;opacity:.5;pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.page-hero h1{
  color:#fff;
  font-size:clamp(32px,4.6vw,54px);
  line-height:1.1;font-weight:800;letter-spacing:-.02em;
  margin:20px 0 20px;max-width:14em;
}
.hero-lead{
  font-size:17.5px;line-height:1.85;color:rgba(255,255,255,.82);
  max-width:44em;margin:0 0 30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-meta{
  list-style:none;display:flex;flex-wrap:wrap;gap:10px 28px;margin:0;padding:0;
  border-top:1px solid rgba(255,255,255,.16);padding-top:22px;
}
.hero-meta li{font-size:14px;color:rgba(255,255,255,.72);font-variant-numeric:tabular-nums;}
.hero-meta li::before{content:"·";color:var(--orange);margin-right:10px;font-weight:700;}
.hero-meta li:first-child::before{content:"";margin:0;}

/* ---------- Stat strip ---------- */
.stat-strip{background:var(--ink-2);color:#fff;padding:0;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat-item{padding:34px 26px;border-right:1px solid rgba(255,255,255,.10);}
.stat-item:last-child{border-right:0;}
.stat-num{
  font-family:var(--mono);font-size:clamp(24px,2.4vw,32px);font-weight:700;
  color:#fff;letter-spacing:-.01em;display:block;margin-bottom:6px;
  font-variant-numeric:tabular-nums;
}
.stat-label{font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.6;}

/* ---------- Sections ---------- */
.section{padding:96px 0;}
.section--alt{background:var(--paper-alt);}
.section-head{max-width:720px;margin-bottom:48px;}
.eyebrow{
  font-size:12.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--cyan);margin:0 0 12px;
}
.section-title{font-size:clamp(26px,3vw,34px);margin:0 0 16px;letter-spacing:-.015em;}
.section-sub{color:var(--muted);font-size:16.5px;margin:0;}

/* ---------- Doc layout ---------- */
.doc-layout{display:grid;grid-template-columns:248px minmax(0,1fr);gap:56px;align-items:start;}
.doc-toc{position:sticky;top:104px;}
.toc-title{
  font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--meta);
  text-transform:uppercase;margin:0 0 16px;
}
.toc-nav{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line);}
.toc-link{
  display:block;padding:9px 0 9px 16px;margin-left:-1px;
  border-left:2px solid transparent;
  font-size:14.5px;color:var(--muted);
  transition:color var(--t) var(--ease),border-color var(--t) var(--ease),padding-left var(--t) var(--ease);
}
.toc-link:hover{color:var(--ink);padding-left:19px;}
.toc-link.is-active{color:var(--orange-deep);font-weight:700;border-left-color:var(--orange);}
.doc-body{max-width:840px;}
.doc-article{padding-bottom:46px;margin-bottom:46px;border-bottom:1px solid var(--line);scroll-margin-top:118px;}
.doc-article:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.doc-article h2{font-size:clamp(22px,2.4vw,28px);margin:0 0 18px;scroll-margin-top:118px;}
.doc-article h3{font-size:20px;font-weight:600;margin:30px 0 12px;}
.doc-article p{color:var(--muted);}
.dot-list{list-style:none;padding:0;margin:0 0 22px;}
.dot-list li{position:relative;padding-left:22px;margin-bottom:12px;color:var(--muted);}
.dot-list li::before{
  content:"";position:absolute;left:0;top:.78em;width:9px;height:2px;
  background:var(--orange);border-radius:1px;
}
.dot-list li strong{color:var(--ink);}
.step-list{counter-reset:step;list-style:none;padding:0;margin:0 0 22px;}
.step-list li{counter-increment:step;position:relative;padding-left:52px;margin-bottom:20px;color:var(--muted);}
.step-list li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:2px;width:34px;height:27px;
  display:grid;place-items:center;
  font-family:var(--mono);font-size:12.5px;font-weight:700;color:var(--orange-deep);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
}
.step-list li strong{display:block;color:var(--ink);font-size:16.5px;margin-bottom:2px;}
.figure{margin:28px 0;}
.figure img{width:100%;border-radius:var(--radius-sm);object-fit:cover;aspect-ratio:16/9;}
.figure figcaption{font-size:13.5px;color:var(--meta);margin-top:10px;line-height:1.7;}

/* ---------- Table ---------- */
.table-wrap{margin:26px 0 8px;}
table.fee-table{
  width:100%;border-collapse:collapse;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  font-size:15px;
}
table.fee-table thead th{
  background:var(--ink);color:#fff;text-align:left;font-weight:600;
  font-size:14px;letter-spacing:.03em;padding:14px 18px;border:0;
}
table.fee-table td{padding:15px 18px;border-top:1px solid var(--line);color:var(--muted);vertical-align:top;}
table.fee-table tbody tr:nth-child(even){background:#fff;}
table.fee-table tbody tr:hover{background:var(--paper-alt);}
table.fee-table td:first-child{color:var(--ink);font-weight:600;}
table.fee-table td.num{font-family:var(--mono);text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap;}

/* ---------- Grid helper (Foundation override) ---------- */
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;display:flex;}
.grid-x>.cell>.card{width:100%;}

/* ---------- Cards ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-1);overflow:hidden;display:flex;flex-direction:column;
  margin-bottom:24px;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--paper-alt);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.card:hover .card-media img{transform:scale(1.035);}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:20px;font-weight:600;margin:12px 0 10px;}
.card-body p{color:var(--muted);font-size:15.5px;margin:0 0 18px;flex:1;}
.card-foot{margin-top:auto;}

/* ---------- Timeline ---------- */
.timeline{list-style:none;position:relative;margin:0;padding:0;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:1px;background:var(--line);
}
.timeline-item{position:relative;padding-left:48px;padding-bottom:38px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-dot{
  position:absolute;left:0;top:6px;width:19px;height:19px;border-radius:50%;
  background:var(--paper);border:1px solid var(--line-strong);
  display:grid;place-items:center;
}
.timeline-dot::after{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--orange);
  transform:scale(0);transition:transform 320ms var(--ease);
}
.timeline-item.is-in .timeline-dot::after{transform:scale(1);}
.timeline-time{
  font-family:var(--mono);font-size:22px;font-weight:700;color:var(--ink);
  letter-spacing:-.01em;font-variant-numeric:tabular-nums;display:block;margin-bottom:6px;
}
.timeline-item h3{font-size:19px;font-weight:600;margin:0 0 6px;}
.timeline-item p{color:var(--muted);font-size:15.5px;margin:0 0 10px;max-width:56em;}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  position:relative;width:100%;min-height:64px;display:flex;align-items:center;
  justify-content:space-between;gap:20px;padding:20px 4px 20px 20px;
  background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;background:var(--orange);border-radius:2px;
  opacity:0;transition:opacity var(--t) var(--ease);
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-q:hover{color:var(--orange-deep);}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--cyan);border-radius:1px;
  transition:transform 180ms var(--ease),opacity 180ms var(--ease);
}
.faq-icon::before{left:0;top:7.25px;width:16px;height:1.5px;}
.faq-icon::after{left:7.25px;top:0;width:1.5px;height:16px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{display:none;padding:0 40px 26px 20px;color:var(--muted);font-size:15.8px;}
.faq-item.is-open .faq-a{display:block;animation:faqIn 180ms var(--ease);}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ---------- CTA band ---------- */
.cta-band{position:relative;background:var(--ink);color:#fff;padding:88px 0;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:100%;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 1px,transparent 1px 34px);
  pointer-events:none;
}
.cta-band .container{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:clamp(26px,3vw,36px);margin:0 0 16px;}
.cta-band p{color:rgba(255,255,255,.76);font-size:16.5px;max-width:52em;margin:0 0 30px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px;}
.cta-note{font-size:14px;color:rgba(255,255,255,.58);margin:0;font-variant-numeric:tabular-nums;}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 320ms var(--ease),transform 320ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:19px;font-weight:800;letter-spacing:.02em;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--orange);}
.site-footer p{color:rgba(255,255,255,.62);font-size:14.5px;line-height:1.85;margin:0;max-width:34em;}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.04em;}
.footer-links,.footer-contact{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:rgba(255,255,255,.68);transition:color var(--t) var(--ease),box-shadow var(--t) var(--ease);}
.footer-links a:hover{color:#fff;box-shadow:inset 0 -1px 0 var(--orange);}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;color:rgba(255,255,255,.68);line-height:1.7;}
.footer-contact i{color:var(--orange);margin-top:6px;font-size:13px;flex:0 0 16px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:24px;font-size:13.5px;color:rgba(255,255,255,.5);
}

/* ---------- Responsive ---------- */
@media (max-width:1280px){
  .doc-layout{gap:44px;}
}
@media (max-width:1024px){
  .section{padding:76px 0;}
  .nav-group{display:none;}
  .header-inner{grid-template-columns:auto 1fr auto;}
  .brand{justify-self:start;}
  .nav-toggle{display:flex;justify-self:end;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid rgba(255,255,255,.10);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .doc-layout{grid-template-columns:1fr;gap:24px;}
  .doc-toc{
    position:sticky;top:76px;z-index:30;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:0 18px;box-shadow:var(--shadow-1);margin-bottom:8px;
  }
  .toc-title{
    display:flex;align-items:center;justify-content:space-between;
    height:56px;margin:0;cursor:pointer;font-size:13px;color:var(--meta);
  }
  .toc-title::after{content:"＋";color:var(--cyan);font-size:16px;letter-spacing:0;}
  .doc-toc.is-open .toc-title::after{content:"－";}
  .toc-nav{display:none;border-left:0;border-top:1px solid var(--line);padding:8px 0 14px;}
  .doc-toc.is-open .toc-nav{display:flex;}
  .toc-link{padding-left:0;}
  .toc-link:hover{padding-left:0;}
  .toc-link.is-active{border-left-color:transparent;padding-left:0;}
}
@media (max-width:768px){
  .page-hero{padding:76px 0 62px;}
  .hero-meta{gap:8px 20px;}
  .cta-band{padding:68px 0;}
  .grid-x{margin-left:-8px;margin-right:-8px;}
  .grid-x>.cell{padding-left:8px;padding-right:8px;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .section{padding:64px 0;}
  .container{padding:0 20px;}
  .page-hero h1{max-width:100%;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .stat-item{padding:26px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-a{padding-right:8px;}
  table.fee-table thead{display:none;}
  table.fee-table{background:transparent;border:0;}
  table.fee-table tr{
    display:block;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius);padding:14px 16px;margin-bottom:14px;
  }
  table.fee-table td{
    display:flex;justify-content:space-between;gap:16px;
    border:0;padding:7px 0;text-align:right;
  }
  table.fee-table td::before{
    content:attr(data-label);font-size:13.5px;font-weight:600;color:var(--ink);
    text-align:left;flex:0 0 auto;
  }
  table.fee-table td:first-child{padding-top:0;}
  table.fee-table td.num{text-align:right;}
}
@media (max-width:360px){
  .container{padding:0 16px;}
  .brand{font-size:17px;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{border-right:0;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category4 */
:root{
  --ink:#0E0F11;
  --ink-soft:#1C1D1F;
  --paper:#FAF8F4;
  --paper-alt:#F1EEE8;
  --white:#FFFFFF;
  --orange:#FF6A1A;
  --orange-dark:#E4550A;
  --orange-soft:rgba(255,106,26,.10);
  --cyan:#0E7C86;
  --cyan-soft:rgba(14,124,134,.10);
  --text:#232427;
  --muted:#5A5C60;
  --meta:#8A8C90;
  --line:#E3DED5;
  --line-strong:#CFC8BC;
  --radius:6px;
  --radius-sm:4px;
  --shadow-1:0 1px 2px rgba(14,15,17,.05),0 2px 10px rgba(14,15,17,.04);
  --shadow-2:0 8px 24px rgba(14,15,17,.10);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --ease:180ms ease-out;
  --ease-slow:300ms ease-out;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--cyan);text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.02em;line-height:1.18}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.1}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.2}
h3{font-size:21px;font-weight:600;line-height:1.4}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
table{border-collapse:collapse;width:100%}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--alt{background:var(--paper-alt)}
.section--dark{background:var(--ink);color:#EDEAE4}
.section--dark h2,.section--dark h1,.section--dark h3{color:#fff}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px;flex-wrap:wrap}
.section-head p{max-width:640px;color:var(--muted);margin-top:14px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--cyan);
  text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);display:inline-block}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,248,244,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 2px 14px rgba(14,15,17,.06)}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;
  min-height:78px;
}
.nav-group{display:flex;align-items:center;gap:26px}
.nav-group--left{justify-self:start}
.nav-group--right{justify-self:end;gap:22px}
.nav-link{
  position:relative;color:var(--ink-soft);font-size:15.5px;font-weight:500;
  padding:6px 0;transition:color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:800}
.nav-link.is-active::after{transform:scaleX(1)}
.brand{
  justify-self:center;display:inline-flex;align-items:center;gap:10px;
  color:var(--ink);font-size:19px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;
}
.brand-mark{width:12px;height:12px;border-radius:3px;background:var(--orange);box-shadow:0 0 0 4px var(--orange-soft)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
  white-space:nowrap;
}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{background:var(--orange);color:#fff}
.btn--orange{background:var(--orange);color:#fff}
.btn--orange:hover{background:var(--orange-dark);color:#fff}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--ink)}
.btn--ghost:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.btn--ghost-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn--ghost-light:hover{background:#fff;border-color:#fff;color:var(--ink)}
.btn--nav{height:42px;padding:0 18px;font-size:15px}
.btn--sm{height:40px;padding:0 16px;font-size:14.5px}

.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);transition:transform var(--ease),opacity var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:var(--paper);
  padding:8px 24px 22px;
}
.mobile-drawer.is-open{display:block}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;border-bottom:1px solid var(--line);
  color:var(--ink-soft);font-size:16px;font-weight:600;
}
.drawer-link:last-of-type{border-bottom:0}
.drawer-link.is-active{color:var(--orange)}
.mobile-drawer .btn{width:100%;margin-top:16px}

/* ---------- 内页首屏 ---------- */
.page-hero{
  position:relative;color:#fff;padding:104px 0 80px;
  background-image:linear-gradient(180deg,rgba(14,15,17,.88),rgba(14,15,17,.78) 55%,rgba(14,15,17,.92)),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-60px;bottom:-40px;width:320px;height:220px;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:14px 14px;opacity:.16;pointer-events:none;
}
.page-hero .breadcrumb{margin-bottom:26px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.66)}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:#fff}
.crumb li+li::before{content:"/";margin-right:8px;color:rgba(255,255,255,.4)}
.crumb li[aria-current]{color:#fff}
.page-hero h1{color:#fff;max-width:900px}
.page-hero .hero-sub{max-width:720px;margin-top:22px;font-size:17.5px;line-height:1.9;color:rgba(255,255,255,.84)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:38px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.18);
  font-size:14px;color:rgba(255,255,255,.78);
}
.hero-facts span{display:inline-flex;align-items:center;gap:8px}
.hero-facts i{color:var(--orange)}

/* ---------- 数据条 ---------- */
.stats{background:#fff;border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:34px 26px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat-num{font-family:var(--font-num);font-size:32px;font-weight:700;color:var(--ink);letter-spacing:-.02em;line-height:1.1}
.stat-num small{font-size:15px;font-weight:600;color:var(--muted);margin-left:4px;letter-spacing:0;font-family:var(--font-cn)}
.stat-label{margin-top:8px;font-size:13.5px;color:var(--muted)}

/* ---------- 卡片 ---------- */
.cards-grid{margin-top:8px}
.card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
.card-icon{
  width:44px;height:44px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;
  background:var(--cyan-soft);color:var(--cyan);font-size:18px;margin-bottom:18px;
}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15.5px;line-height:1.8}
.card-tag{
  display:inline-block;margin-top:18px;font-size:12.5px;font-weight:600;color:var(--cyan);
  background:var(--cyan-soft);border-radius:var(--radius-sm);padding:3px 10px;
}

/* ---------- 对比表 ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;
  box-shadow:var(--shadow-1);
}
.compare-table{width:100%;font-size:15px}
.compare-table thead th{
  background:var(--ink);color:#fff;text-align:left;font-weight:600;font-size:14.5px;
  padding:18px 20px;letter-spacing:.02em;white-space:nowrap;
}
.compare-table thead th.is-feature{background:var(--cyan);color:#fff}
.compare-table tbody td{
  padding:20px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--text);
}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr{transition:background var(--ease)}
.compare-table tbody tr:hover{background:#FCFAF6}
.compare-table td.is-feature{background:rgba(14,124,134,.06);border-left:1px solid rgba(14,124,134,.28);border-right:1px solid rgba(14,124,134,.28)}
.compare-table .plan-name{font-weight:800;color:var(--ink);font-size:16px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.compare-table .num{font-family:var(--font-num);letter-spacing:-.01em;color:var(--ink);font-weight:600}
.compare-table ul li{position:relative;padding-left:16px;color:var(--muted);font-size:14.5px;line-height:1.75}
.compare-table ul li+li{margin-top:4px}
.compare-table ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:1.5px;background:var(--orange)}
.badge{
  display:inline-block;border-radius:var(--radius-sm);padding:2px 9px;font-size:12px;font-weight:700;
  line-height:1.7;
}
.badge--orange{background:var(--orange-soft);color:var(--orange-dark)}
.badge--cyan{background:var(--cyan-soft);color:var(--cyan)}
.table-note{margin-top:16px;font-size:13.5px;color:var(--meta)}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
  position:relative;box-shadow:var(--shadow-1);
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--orange);
  letter-spacing:.08em;
}
.step h3{font-size:17.5px;margin:12px 0 8px}
.step p{font-size:14.8px;color:var(--muted)}

/* ---------- 图文区块 ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.figure{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);background:#fff}
.figure img{width:100%;aspect-ratio:3/2;object-fit:cover}
.figure figcaption{font-size:13px;color:var(--meta);padding:12px 16px;border-top:1px solid var(--line)}
.checklist li{
  position:relative;padding-left:26px;margin-bottom:16px;color:var(--muted);font-size:15.5px;line-height:1.8;
}
.checklist li::before{
  content:"";position:absolute;left:0;top:10px;width:12px;height:2px;background:var(--orange);
}
.checklist li strong{color:var(--ink);font-weight:700}

/* ---------- FAQ ---------- */
.faq-list{max-width:920px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:12px;box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color var(--ease);
}
.faq-item.is-open{border-color:var(--line-strong)}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:18px 24px 18px 28px;background:transparent;border:0;cursor:pointer;
  text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);position:relative;
}
.faq-question::before{
  content:"";position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:3px;height:20px;background:var(--orange);border-radius:2px;
}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;color:var(--cyan);font-size:13px;
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--cyan-soft);border-color:rgba(14,124,134,.35)}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height var(--ease-slow);
}
.faq-item.is-open .faq-answer{max-height:420px}
.faq-answer p{
  padding:0 28px 24px 28px;color:var(--muted);font-size:15.5px;line-height:1.9;
}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;padding:88px 0}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 2px,transparent 2px 12px);
  opacity:.5;pointer-events:none;
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.4fr auto;gap:40px;align-items:center}
.cta-inner h2{color:#fff}
.cta-inner p{margin-top:16px;color:rgba(255,255,255,.74);max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-meta{margin-top:22px;font-size:13.5px;color:rgba(255,255,255,.6)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C9C5BD;padding:76px 0 30px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:0 0 0 4px rgba(255,106,26,.18)}
.site-footer p{color:#9A968E;line-height:1.85;font-size:14.5px}
.footer-title{color:#fff;font-weight:700;font-size:15px;margin-bottom:18px;letter-spacing:.02em}
.footer-links li{margin-bottom:11px}
.footer-links a,.footer-contact li{color:#9A968E;transition:color var(--ease)}
.footer-links a{position:relative}
.footer-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--orange);
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.footer-links a:hover{color:#fff}
.footer-links a:hover::after{transform:scaleX(1)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px;line-height:1.7}
.footer-contact i{color:var(--orange);margin-top:6px;font-size:13px}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7E7A73;
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity 320ms ease-out,transform 320ms ease-out}
.reveal.is-in{opacity:1;transform:none}

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

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:80px 0}
  .nav-group{display:none}
  .header-inner{grid-template-columns:auto 1fr auto;min-height:70px;gap:14px}
  .nav-toggle{display:flex;justify-self:start}
  .brand{justify-self:start;font-size:17.5px}
  .split{grid-template-columns:1fr;gap:36px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:34px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-left:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
}

@media (max-width:767px){
  .section{padding:64px 0}
  .section-head{margin-bottom:32px}
  .page-hero{padding:72px 0 60px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .table-wrap{border:0;box-shadow:none;background:transparent;overflow:visible}
  .compare-table{display:block;font-size:14.5px}
  .compare-table thead{display:none}
  .compare-table tbody,.compare-table tr,.compare-table td{display:block;width:100%}
  .compare-table tbody tr{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:18px 18px 6px;margin-bottom:16px;box-shadow:var(--shadow-1);
  }
  .compare-table tbody td{
    border:0;padding:10px 0;display:flex;justify-content:space-between;gap:16px;text-align:right;
    border-bottom:1px dashed var(--line);
  }
  .compare-table tbody tr td:last-child{border-bottom:0}
  .compare-table td.is-feature{background:transparent;border-left:0;border-right:0}
  .compare-table td::before{
    content:attr(data-label);flex:0 0 84px;text-align:left;color:var(--meta);
    font-weight:600;font-size:13px;line-height:1.7;
  }
  .compare-table ul li{text-align:left}
  .compare-table .plan-name{justify-content:flex-end}
  .steps{grid-template-columns:1fr}
  .faq-question{padding:16px 18px 16px 26px;font-size:15.5px}
  .faq-answer p{padding:0 20px 20px 26px}
  .cta-band{padding:64px 0}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
}

@media (max-width:520px){
  .container{padding:0 18px}
  .stats-grid{grid-template-columns:1fr}
  .stat{border-left:0;border-bottom:1px solid var(--line);padding:26px 18px}
  .stat:last-child{border-bottom:0}
  .brand{font-size:16px}
  .btn{width:100%}
  .hero-actions{gap:10px}
  .card{padding:24px 20px}
}