/* roulang page: index */
:root{
  --ink:#123B32;
  --ink-deep:#0C2A24;
  --action:#FF5A26;
  --action-dark:#E84A18;
  --data:#C9F24D;
  --bg:#F7F5EF;
  --card:#FFFFFF;
  --band:#EDF2EA;
  --text:#16201C;
  --muted:#5A6762;
  --faint:#8A968F;
  --line:#E1E6DD;
  --radius-card:18px;
  --radius-img:14px;
  --radius-pill:999px;
  --radius-btn:12px;
  --shadow-1:0 1px 2px rgba(18,59,50,.06);
  --shadow-2:0 12px 28px -12px rgba(18,59,50,.18);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:16px 0 0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease;}
a:hover{color:var(--action);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul{padding-left:0;list-style:none;}
p{margin-bottom:1.15em;}
p:last-child{margin-bottom:0;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--band{background:var(--band);}

/* ============ Dock 导航 ============ */
.dock-wrap{
  position:sticky;
  top:16px;
  z-index:90;
  padding:0 16px;
}
.dock{
  position:relative;
  max-width:1180px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:20px;
  padding:8px 8px 8px 18px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:box-shadow .3s ease,background-color .3s ease;
}
.dock-wrap.is-scrolled .dock{
  box-shadow:var(--shadow-2);
  background:rgba(255,255,255,.94);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink);
}
.brand:hover{color:var(--ink);}
.brand-mark{
  position:relative;
  width:30px;
  height:30px;
  border-radius:50%;
  background:var(--ink);
  flex:0 0 auto;
  overflow:hidden;
}
.brand-mark::before{
  content:"";
  position:absolute;
  inset:6px;
  border:2px solid var(--data);
  border-radius:50%;
  border-right-color:transparent;
  border-bottom-color:transparent;
  transform:rotate(-25deg);
}
.brand-mark::after{
  content:"";
  position:absolute;
  width:12px;
  height:2px;
  background:var(--action);
  left:9px;
  top:18px;
  border-radius:2px;
  transform:rotate(-18deg);
}
.brand-text{
  font-size:15.5px;
  white-space:nowrap;
}
.dock-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.dock-links a{
  display:inline-block;
  padding:9px 14px;
  font-size:14.5px;
  font-weight:600;
  color:var(--muted);
  border-radius:var(--radius-pill);
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease;
}
.dock-links a:hover{color:var(--ink);background:var(--band);}
.dock-links a.is-active{
  color:var(--ink);
  background:var(--data);
}
.dock-links a.is-active:hover{color:var(--ink);background:var(--data);}
.dock-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.icon-btn{
  width:40px;
  height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:transparent;
  color:var(--ink);
  transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.icon-btn:hover{background:var(--band);border-color:var(--ink);color:var(--ink);}
.icon-btn svg{width:17px;height:17px;}
.dock-toggle{
  display:none;
  width:40px;
  height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  background:transparent;
  color:var(--ink);
  align-items:center;
  justify-content:center;
}
.dock-toggle span{
  display:block;
  width:16px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  position:relative;
}
.dock-toggle span::before,
.dock-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
}
.dock-toggle span::before{top:-5px;}
.dock-toggle span::after{top:5px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15.5px;
  font-weight:700;
  line-height:1;
  padding:15px 28px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--action);
  color:#fff;
  box-shadow:0 6px 16px -8px rgba(255,90,38,.75);
}
.btn-primary:hover{
  background:var(--action-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 14px 26px -12px rgba(255,90,38,.8);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--line);
}
.btn-ghost:hover{
  background:var(--band);
  color:var(--ink);
  border-color:var(--ink);
}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn:focus-visible,
.icon-btn:focus-visible,
.faq-q:focus-visible,
input:focus-visible,
textarea:focus-visible,
.dock-toggle:focus-visible{
  outline:2px solid var(--data);
  outline-offset:2px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:700;
  color:var(--ink);
}
.text-link span{transition:transform .22s ease;display:inline-block;}
.text-link:hover{color:var(--action);}
.text-link:hover span{transform:translateX(4px);}

/* ============ Hero ============ */
.hero{
  position:relative;
  margin-top:20px;
  padding:88px 0 72px;
  background:var(--ink-deep);
  overflow:hidden;
  border-radius:28px;
  max-width:1400px;
  margin-left:auto;
  margin-right:auto;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.6;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(12,42,36,.94) 0%,rgba(12,42,36,.78) 46%,rgba(12,42,36,.36) 100%);
}
.hero-inner{position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:var(--radius-pill);
  background:rgba(201,242,77,.14);
  border:1px solid rgba(201,242,77,.4);
  color:var(--data);
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  margin-bottom:26px;
}
.eyebrow::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--data);
  box-shadow:0 0 0 4px rgba(201,242,77,.2);
}
.hero h1{
  max-width:900px;
  font-size:clamp(30px,4.4vw,54px);
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.01em;
  color:#fff;
  margin-bottom:22px;
}
.hero-sub{
  max-width:640px;
  font-size:clamp(16px,1.6vw,18.5px);
  line-height:1.8;
  color:#DDE7E0;
  margin-bottom:34px;
}
.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:52px;
}
.hero .btn-ghost{
  color:#fff;
  border-color:rgba(255,255,255,.32);
}
.hero .btn-ghost:hover{
  background:rgba(255,255,255,.12);
  color:#fff;
  border-color:rgba(255,255,255,.7);
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  border-top:1px solid rgba(255,255,255,.16);
  padding-top:26px;
}
.hero-stats li{
  flex:1 1 180px;
  padding-right:24px;
  margin-right:24px;
  border-right:1px solid rgba(255,255,255,.16);
}
.hero-stats li:last-child{border-right:0;margin-right:0;padding-right:0;}
.hero-stats strong{
  display:block;
  font-size:clamp(26px,3vw,36px);
  font-weight:800;
  color:var(--data);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.hero-stats span{
  display:block;
  font-size:13.5px;
  color:#B9CCC2;
  margin-top:4px;
}

/* ============ 通用标题组 ============ */
.section-head{
  max-width:760px;
  margin-bottom:38px;
}
.section-head h2{
  font-size:clamp(26px,3.1vw,36px);
  font-weight:700;
  line-height:1.3;
  color:var(--ink);
  letter-spacing:-.01em;
  margin-bottom:14px;
}
.section-head p{
  font-size:16.5px;
  color:var(--muted);
  line-height:1.85;
  margin:0;
}
.section-head--center{
  margin-left:auto;
  margin-right:auto;
  text-align:center;
}
.tag{
  display:inline-block;
  padding:5px 12px;
  border-radius:6px;
  background:var(--data);
  color:var(--ink);
  font-size:12px;
  font-weight:800;
  letter-spacing:.03em;
  margin-bottom:16px;
}

/* ============ 痛点提问区 ============ */
.ask-layout{
  display:grid;
  grid-template-columns:minmax(280px,360px) 1fr;
  gap:56px;
  align-items:start;
}
.ask-head h2{
  font-size:clamp(25px,2.9vw,34px);
  font-weight:700;
  line-height:1.32;
  color:var(--ink);
  margin-bottom:16px;
}
.ask-head p{color:var(--muted);font-size:16px;margin:0;}
.ask-list{display:grid;gap:16px;}
.ask-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 26px 22px 30px;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.ask-card::before{
  content:"";
  position:absolute;
  left:0;
  top:18px;
  bottom:18px;
  width:3px;
  border-radius:3px;
  background:var(--data);
  transition:background-color .25s ease;
}
.ask-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
}
.ask-card:hover::before{background:var(--action);}
.ask-card h3{
  font-size:18px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:8px;
  line-height:1.5;
}
.ask-card p{
  font-size:14.5px;
  color:var(--muted);
  line-height:1.75;
  margin:0;
}

/* ============ 方案卡片区（非对称） ============ */
.plan-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:var(--gap);
}
.plan-card{
  position:relative;
  grid-column:span 5;
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.plan-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:#CFDACA;
}
.plan-card--lg{grid-column:span 7;}
.plan-card--wide{grid-column:span 7;}
.plan-media{
  position:relative;
  height:196px;
  overflow:hidden;
}
.plan-card--lg .plan-media{height:262px;}
.plan-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.plan-card:hover .plan-media img{transform:scale(1.05);}
.plan-num{
  position:absolute;
  left:20px;
  bottom:14px;
  font-size:40px;
  font-weight:800;
  line-height:1;
  color:rgba(255,255,255,.86);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  text-shadow:0 2px 12px rgba(12,42,36,.5);
}
.plan-body{
  padding:24px 26px 26px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.plan-body h3{
  font-size:19px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:10px;
  line-height:1.45;
}
.plan-body p{
  font-size:14.8px;
  color:var(--muted);
  line-height:1.78;
  margin-bottom:20px;
}
.plan-body .text-link{margin-top:auto;font-size:14.5px;}

/* ============ 数据区（深底） ============ */
.deep{
  background:var(--ink-deep);
  color:#fff;
  padding:88px 0;
}
.deep .section-head h2{color:#fff;}
.deep .section-head p{color:#B9CCC2;}
.stat-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:36px;
}
.stat-item{
  padding:0 28px;
  border-right:1px solid rgba(255,255,255,.14);
}
.stat-item:first-child{padding-left:0;}
.stat-item:last-child{border-right:0;padding-right:0;}
.stat-item strong{
  display:block;
  font-size:clamp(36px,5vw,58px);
  font-weight:800;
  line-height:1.1;
  color:var(--data);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.stat-item em{
  font-style:normal;
  font-size:18px;
  font-weight:700;
  color:var(--data);
  margin-left:4px;
}
.stat-item span{
  display:block;
  margin-top:10px;
  font-size:14.5px;
  line-height:1.7;
  color:#C5D6CD;
}

/* ============ 资讯列表 ============ */
.news-toolbar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  margin-bottom:30px;
}
.news-search{
  flex:1 1 260px;
  max-width:360px;
  display:flex;
  align-items:center;
  gap:10px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  padding:11px 20px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.news-search:focus-within{
  border-color:var(--ink);
  box-shadow:0 0 0 4px rgba(201,242,77,.28);
}
.news-search svg{width:16px;height:16px;color:var(--faint);flex:0 0 auto;}
.news-search input{
  border:0;
  outline:0;
  background:transparent;
  font-size:14.5px;
  width:100%;
  color:var(--text);
}
.news-card{
  height:100%;
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.news-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:#CFDACA;
}
.news-thumb{
  display:block;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--band);
}
.news-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.news-card:hover .news-thumb img{transform:scale(1.06);}
.news-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.badge{
  display:inline-block;
  align-self:flex-start;
  padding:4px 10px;
  border-radius:6px;
  background:var(--data);
  color:var(--ink);
  font-size:11px;
  font-weight:800;
  letter-spacing:.04em;
  margin-bottom:12px;
}
.news-body h3{
  font-size:18px;
  font-weight:700;
  line-height:1.5;
  color:var(--ink);
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-body h3 a:hover{color:var(--action);}
.news-body > p{
  font-size:14px;
  line-height:1.75;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:18px;
}
.news-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--faint);
}
.news-meta .text-link{font-size:13.5px;}
.empty-state{
  border:1px dashed #C7D2C9;
  border-radius:var(--radius-card);
  padding:48px 24px;
  text-align:center;
  color:var(--muted);
  font-size:15px;
  background:rgba(255,255,255,.6);
}
.empty-state p{margin:0;}

/* ============ FAQ ============ */
.faq-list{
  max-width:860px;
  margin:0 auto;
  border-top:1px solid var(--line);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  text-align:left;
  background:transparent;
  border:0;
  padding:24px 4px;
  font-size:18px;
  font-weight:600;
  color:var(--ink);
  line-height:1.5;
  transition:color .22s ease;
}
.faq-q:hover{color:var(--action);}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:22px;
  height:22px;
  border-radius:50%;
  border:1px solid var(--line);
  transition:background-color .22s ease,border-color .22s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--ink);
  border-radius:2px;
  transition:transform .25s ease,background-color .22s ease;
}
.faq-icon::before{width:10px;height:2px;left:5px;top:9px;}
.faq-icon::after{width:2px;height:10px;left:9px;top:5px;}
.faq-item.is-open .faq-icon{background:var(--data);border-color:var(--data);}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s ease;
}
.faq-a p{
  padding:0 40px 26px 4px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
  margin:0;
}

/* ============ 表单区 ============ */
.form-band{
  background:var(--band);
  border-radius:26px;
  padding:56px 48px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  align-items:start;
}
.form-band h2{
  font-size:clamp(25px,2.9vw,34px);
  font-weight:700;
  line-height:1.32;
  color:var(--ink);
  margin-bottom:16px;
}
.form-band .lead-text{color:var(--muted);font-size:16px;margin-bottom:24px;}
.form-points{display:grid;gap:12px;}
.form-points li{
  position:relative;
  padding-left:26px;
  font-size:15px;
  color:var(--muted);
}
.form-points li::before{
  content:"";
  position:absolute;
  left:0;
  top:10px;
  width:12px;
  height:2px;
  background:var(--action);
  border-radius:2px;
}
.field{
  position:relative;
  margin-bottom:26px;
}
.field label{
  display:block;
  font-size:13.5px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:6px;
}
.field input,
.field textarea{
  width:100%;
  border:0;
  border-bottom:1px solid var(--line);
  background:transparent;
  padding:10px 2px;
  font-size:15.5px;
  color:var(--text);
  outline:0;
  border-radius:0;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.field textarea{resize:vertical;min-height:76px;line-height:1.7;}
.field input::placeholder,
.field textarea::placeholder{color:var(--faint);}
.field input:focus,
.field textarea:focus{
  border-bottom-color:var(--ink);
  box-shadow:0 2px 0 0 var(--data);
}
.check-line{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13.5px;
  color:var(--muted);
  line-height:1.7;
  margin-bottom:24px;
}
.check-line input{
  width:18px;
  height:18px;
  margin-top:2px;
  accent-color:var(--action);
  flex:0 0 auto;
}
.form-tip{
  margin-top:14px;
  font-size:13.5px;
  color:var(--ink);
  font-weight:700;
  min-height:20px;
}
.privacy-bar{
  margin-top:26px;
  background:rgba(255,255,255,.7);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  padding:14px 24px;
  font-size:13.5px;
  color:var(--muted);
  text-align:center;
}
.privacy-bar a{
  color:var(--ink);
  font-weight:700;
  text-decoration:underline;
  text-decoration-color:var(--data);
  text-decoration-thickness:2px;
  text-underline-offset:3px;
}
.privacy-bar a:hover{color:var(--action);}

/* ============ 弹层 ============ */
.modal{
  position:fixed;
  inset:0;
  z-index:200;
  display:none;
  align-items:center;
  justify-content:center;
  padding:24px;
}
.modal.is-open{display:flex;}
.modal-mask{
  position:absolute;
  inset:0;
  background:rgba(12,42,36,.55);
  -webkit-backdrop-filter:blur(2px);
  backdrop-filter:blur(2px);
}
.modal-panel{
  position:relative;
  z-index:2;
  width:100%;
  max-width:520px;
  background:#fff;
  border-radius:20px;
  padding:36px 34px 32px;
  box-shadow:0 30px 60px -24px rgba(12,42,36,.5);
  max-height:90vh;
  overflow-y:auto;
}
.modal-panel h3{
  font-size:22px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:10px;
}
.modal-panel .modal-desc{
  font-size:14.5px;
  color:var(--muted);
  margin-bottom:26px;
}
.modal-close{
  position:absolute;
  top:16px;
  right:16px;
  width:36px;
  height:36px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  font-size:18px;
  line-height:1;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:background-color .2s ease,color .2s ease;
}
.modal-close:hover{background:var(--band);color:var(--action);}
.modal-panel .btn{width:100%;}

/* ============ 页脚 ============ */
.footer{
  background:var(--ink-deep);
  color:#C5D6CD;
  padding:72px 0 0;
  margin-top:40px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:44px;
  padding-bottom:52px;
}
.footer .brand{color:#fff;margin-bottom:18px;}
.footer .brand:hover{color:#fff;}
.footer .brand-mark{background:rgba(255,255,255,.1);}
.footer-brand p{
  font-size:14.5px;
  line-height:1.85;
  color:#9DB4A8;
  max-width:340px;
}
.footer h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
}
.footer-links{display:grid;gap:12px;}
.footer-links a{
  font-size:14.5px;
  color:#B9CCC2;
}
.footer-links a:hover{color:var(--data);}
.footer-info{display:grid;gap:12px;font-size:14.5px;color:#9DB4A8;}
.footer-info strong{color:#DDE7E0;font-weight:700;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13.5px;
  color:#8FA79B;
}
.footer-bottom a{color:#B9CCC2;}
.footer-bottom a:hover{color:var(--data);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .ask-layout{grid-template-columns:1fr;gap:32px;}
  .plan-card,
  .plan-card--lg,
  .plan-card--wide{grid-column:span 6;}
  .stat-row{grid-template-columns:repeat(2,1fr);row-gap:34px;}
  .stat-item{padding:0 22px;}
  .stat-item:nth-child(2n){border-right:0;padding-right:0;}
  .stat-item:nth-child(2n+1){padding-left:0;}
  .form-band{grid-template-columns:1fr;gap:34px;padding:44px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:768px){
  .dock{padding:8px 10px 8px 14px;gap:10px;}
  .dock-links{display:none;}
  .dock.is-open .dock-links{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    background:#fff;
    border:1px solid var(--line);
    border-radius:20px;
    padding:10px;
    box-shadow:var(--shadow-2);
  }
  .dock.is-open .dock-links a{
    padding:0 16px;
    height:52px;
    line-height:52px;
    border-radius:14px;
    font-size:15px;
  }
  .dock-toggle{display:inline-flex;order:3;}
  .dock-actions{order:2;margin-left:auto;}
  .dock-actions .btn{display:none;}
  .hero{padding:64px 0 56px;border-radius:22px;margin-top:14px;}
  .hero-stats li{
    flex:1 1 100%;
    border-right:0;
    padding:0 0 16px;
    margin:0 0 16px;
    border-bottom:1px solid rgba(255,255,255,.14);
  }
  .hero-stats li:last-child{border-bottom:0;padding-bottom:0;margin-bottom:0;}
  .deep{padding:64px 0;}
  .faq-q{font-size:16.5px;padding:20px 2px;}
  .faq-a p{padding:0 24px 22px 2px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .modal{padding:0;align-items:flex-end;}
  .modal-panel{
    max-width:100%;
    border-radius:20px 20px 0 0;
    padding:32px 24px 28px;
  }
}
@media (max-width:640px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .plan-card,
  .plan-card--lg,
  .plan-card--wide{grid-column:span 12;}
  .plan-media,
  .plan-card--lg .plan-media{height:190px;}
  .stat-row{grid-template-columns:1fr;}
  .stat-item{
    padding:0 0 24px !important;
    border-right:0;
    border-bottom:1px solid rgba(255,255,255,.14);
    margin-bottom:24px;
  }
  .stat-item:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0 !important;}
  .form-band{padding:34px 22px;border-radius:20px;}
  .privacy-bar{border-radius:18px;padding:14px 18px;text-align:left;}
  .brand-text{font-size:14px;}
}
@media (min-width:1440px){
  .container{max-width:1240px;}
}

/* roulang page: article */
:root{
  --ink:#123B32;
  --ink-deep:#0C2A24;
  --action:#FF5A26;
  --data:#C9F24D;
  --bg:#F7F5EF;
  --card:#FFFFFF;
  --band:#EDF2EA;
  --text:#16201C;
  --muted:#5A6762;
  --faint:#8A968F;
  --line:#E1E6DD;
  --radius-card:18px;
  --radius-img:14px;
  --radius-btn:999px;
  --shadow-1:0 1px 2px rgba(18,59,50,.06);
  --shadow-2:0 12px 28px -12px rgba(18,59,50,.18);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,figure,blockquote,ul,ol,dl{margin:0}
ul,ol{padding-left:1.2em}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--action)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--data);outline-offset:2px}
img{max-width:100%;display:block;height:auto}
button{font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit;font-size:16px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--ink)}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.8}

/* ---------- Dock 导航 ---------- */
.site-head{position:sticky;top:0;z-index:80;padding:16px 20px 0;pointer-events:none}
.dock{
  pointer-events:auto;
  max-width:1180px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 14px 10px 18px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.dock.is-scrolled{box-shadow:0 12px 28px -14px rgba(18,59,50,.3);background:rgba(255,255,255,.94)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em;margin-right:auto}
.brand-mark{
  width:26px;height:26px;flex:0 0 26px;border-radius:50%;
  background:conic-gradient(from 140deg,var(--data) 0 42%,var(--action) 42% 58%,var(--ink) 58% 100%);
  box-shadow:inset 0 0 0 4px rgba(255,255,255,.9),0 2px 6px rgba(18,59,50,.22);
}
.brand-text{font-size:16px;color:var(--ink)}
.dock-links{display:flex;align-items:center;gap:4px}
.dock-links a{
  position:relative;
  padding:8px 12px;
  font-size:14.5px;
  font-weight:500;
  color:var(--muted);
  border-radius:999px;
  white-space:nowrap;
}
.dock-links a:hover{color:var(--ink);background:var(--band)}
.dock-links a.is-active{color:var(--ink);font-weight:700;background:rgba(201,242,77,.4)}
.dock-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:3px;border-radius:3px;background:var(--action);
}
.dock-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:50%;background:#fff;color:var(--ink);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{border-color:var(--ink);color:var(--action);transform:translateY(-1px)}
.dock-toggle{
  display:none;width:40px;height:38px;border:1px solid var(--line);border-radius:999px;
  background:#fff;align-items:center;justify-content:center;
}
.dock-toggle span{position:relative;display:block;width:16px;height:2px;background:var(--ink);border-radius:2px}
.dock-toggle span::before,.dock-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);border-radius:2px}
.dock-toggle span::before{top:-5px}
.dock-toggle span::after{top:5px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;letter-spacing:.01em;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-primary{background:var(--action);color:#fff;box-shadow:0 8px 18px -10px rgba(255,90,38,.7)}
.btn-primary:hover{background:#ef4c19;color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -12px rgba(255,90,38,.75)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:var(--band);color:var(--ink)}
.btn-light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.24);color:#fff}
.link-cta{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--ink)}
.link-cta .arrow{transition:transform .2s ease}
.link-cta:hover{color:var(--action)}
.link-cta:hover .arrow{transform:translateX(4px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:6px;background:var(--data);color:var(--ink);
  font-size:11.5px;font-weight:700;letter-spacing:.04em;
}
.badge-soft{background:rgba(18,59,50,.08);color:var(--ink)}

/* ---------- 搜索面板 ---------- */
.search-panel{
  position:fixed;top:88px;left:50%;transform:translateX(-50%) translateY(-8px);
  width:min(620px,calc(100% - 32px));z-index:90;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-2);padding:14px;opacity:0;visibility:hidden;
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.search-panel.is-open{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.search-form{display:flex;gap:10px;align-items:center}
.search-form input{
  flex:1;border:1px solid var(--line);border-radius:12px;padding:12px 14px;
  background:var(--bg);color:var(--text);
}
.search-form input:focus{border-color:var(--ink);outline:none;box-shadow:0 0 0 3px rgba(201,242,77,.55)}

/* ---------- 文章首屏 ---------- */
.article-hero{
  position:relative;
  margin-top:24px;
  padding:52px 0 60px;
  color:#fff;
  background-image:linear-gradient(100deg,rgba(12,42,36,.94) 0%,rgba(18,59,50,.78) 55%,rgba(12,42,36,.62) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
}
.article-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;
  background:linear-gradient(90deg,var(--data),var(--action) 55%,transparent);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:22px}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:var(--data)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:#fff;font-weight:600;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{
  font-size:clamp(28px,4vw,46px);
  font-weight:800;line-height:1.28;letter-spacing:-.01em;
  max-width:900px;color:#fff;
}
.article-hero .lede{
  margin-top:18px;max-width:760px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.82);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px;
  font-size:13.5px;color:rgba(255,255,255,.75);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.45)}

/* ---------- 正文 ---------- */
.article-shell{padding:64px 0 80px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:40px 44px;
}
.article-cover{border-radius:var(--radius-img);overflow:hidden;margin-bottom:32px;background:var(--band)}
.article-cover img{width:100%;aspect-ratio:16/10;object-fit:cover}
.article-body{max-width:760px;line-height:1.88}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em;color:#22302B;font-size:16.5px}
.article-body h2{
  font-size:clamp(21px,2.4vw,27px);font-weight:700;line-height:1.4;color:var(--ink);
  margin:2em 0 .7em;padding-left:14px;border-left:5px solid var(--data);border-radius:2px;
}
.article-body h3{font-size:19px;font-weight:700;color:var(--ink);margin:1.7em 0 .6em}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink);margin:1.5em 0 .5em}
.article-body a{color:var(--ink);border-bottom:2px solid var(--data)}
.article-body a:hover{color:var(--action);border-bottom-color:var(--action)}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.35em}
.article-body li{margin-bottom:.55em;color:#22302B}
.article-body li::marker{color:var(--action)}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;background:var(--band);
  border-left:5px solid var(--data);border-radius:0 12px 12px 0;
  color:#233430;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);margin:1.6em 0;box-shadow:var(--shadow-1)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13.5px;color:var(--faint);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body th{background:var(--band);color:var(--ink);font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}

.article-foot{
  max-width:760px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  background:var(--band);color:var(--ink);font-size:13px;font-weight:600;
}
.article-foot .link-cta{margin-left:auto}

/* ---------- 侧栏 ---------- */
.aside-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
}
.aside-card + .aside-card{margin-top:20px}
.aside-card h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:14px}
.aside-list{list-style:none;padding:0;margin:0}
.aside-list li{border-bottom:1px dashed var(--line);padding:11px 0}
.aside-list li:last-child{border-bottom:0;padding-bottom:0}
.aside-list a{font-size:14.5px;color:var(--muted);display:block;line-height:1.6}
.aside-list a:hover{color:var(--action)}
.aside-note{margin-top:14px;font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed #C7D2C9;border-radius:var(--radius-card);
  padding:48px 28px;text-align:center;background:var(--card);
}
.empty-icon{
  width:52px;height:52px;margin:0 auto 18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--band);color:var(--ink);
}
.empty-icon svg{width:24px;height:24px}
.empty-title{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:8px}
.empty-desc{color:var(--muted);font-size:15px;margin-bottom:20px}

/* ---------- 相关推荐 ---------- */
.related{background:var(--band);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#CFD9CE}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--band)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:18px;font-weight:700;line-height:1.5;color:var(--ink)}
.post-body p{font-size:14px;line-height:1.75;color:var(--muted);flex:1}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--faint);margin-top:4px}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--faint)}

/* ---------- CTA 区 ---------- */
.cta-band{background:var(--ink-deep);color:#fff;border-radius:24px;padding:44px;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;color:#fff}
.cta-band p{margin-top:12px;color:rgba(237,242,234,.82);font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* ---------- 表单弹层 ---------- */
.modal-mask{
  position:fixed;inset:0;z-index:120;background:rgba(12,42,36,.55);
  backdrop-filter:blur(2px);display:none;align-items:center;justify-content:center;padding:20px;
}
.modal-mask.is-open{display:flex}
.modal{
  width:min(520px,100%);background:#fff;border-radius:20px;padding:30px;
  box-shadow:0 30px 60px -20px rgba(12,42,36,.5);position:relative;
}
.modal h3{font-size:21px;font-weight:700;color:var(--ink);margin-bottom:8px}
.modal .modal-sub{font-size:14px;color:var(--muted);margin-bottom:22px}
.modal-close{
  position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:18px;line-height:1;
}
.modal-close:hover{border-color:var(--ink);color:var(--action)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:7px}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 14px;
  background:var(--bg);color:var(--text);transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field textarea:focus{border-color:var(--ink);outline:none;box-shadow:0 0 0 3px rgba(201,242,77,.5)}
.field textarea{min-height:92px;resize:vertical}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);line-height:1.65;margin:6px 0 18px}
.consent input{margin-top:3px;width:16px;height:16px;accent-color:var(--ink)}
.form-msg{display:none;margin-top:14px;padding:12px 14px;border-radius:12px;background:var(--band);color:var(--ink);font-size:14px}
.form-msg.is-open{display:block}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-deep);color:var(--band);margin-top:96px;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer .brand-text{color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(237,242,234,.72);max-width:340px}
.footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(237,242,234,.78)}
.footer-links a:hover{color:var(--data)}
.footer-info{display:flex;flex-direction:column;gap:11px;font-size:14px;color:rgba(237,242,234,.78)}
.footer-info strong{color:#fff;font-weight:600}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(237,242,234,.16);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(237,242,234,.62);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:72px 0}
  .article-grid{grid-template-columns:1fr;gap:32px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-card{padding:32px 28px}
  .cta-band{grid-template-columns:1fr;padding:36px 28px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .site-head{padding:12px 12px 0}
  .dock{flex-wrap:wrap;gap:10px;padding:10px 14px;border-radius:26px}
  .dock-toggle{display:inline-flex;order:2}
  .dock-actions{order:2}
  .dock-actions .icon-btn{display:none}
  .dock-links{
    order:3;display:none;width:100%;flex-direction:column;align-items:stretch;gap:0;
    margin-top:6px;padding-top:6px;border-top:1px solid var(--line);
  }
  .dock-links.is-open{display:flex}
  .dock-links a{padding:14px 6px;border-bottom:1px solid var(--line);border-radius:0;font-size:15px}
  .dock-links a:last-child{border-bottom:0}
  .dock-links a.is-active{background:transparent}
  .dock-links a.is-active::after{left:6px;transform:none;bottom:8px}
  .article-hero{margin-top:18px;padding:40px 0 44px;border-radius:0}
  .article-shell{padding:44px 0 56px}
  .section{padding:56px 0}
  .card-grid{grid-template-columns:1fr}
  .article-meta{gap:10px}
  .footer{margin-top:64px;padding:52px 0 24px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .article-card{padding:24px 18px;border-radius:16px}
  .article-body p{font-size:16px}
  .article-hero h1{font-size:26px}
  .brand-text{font-size:15px}
  .btn{padding:12px 18px;font-size:14.5px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .modal{border-radius:20px 20px 0 0;padding:24px 20px 28px}
  .modal-mask{align-items:flex-end;padding:0}
}
@media (min-width:1440px){
  .container{max-width:1240px}
}

/* roulang page: category1 */
:root{
  --ink:#123B32;
  --ink-deep:#0C2A24;
  --action:#FF5A26;
  --data:#C9F24D;
  --bg:#F7F5EF;
  --card:#FFFFFF;
  --band:#EDF2EA;
  --text:#16201C;
  --muted:#5A6762;
  --faint:#8A968F;
  --line:#E1E6DD;
  --radius-card:18px;
  --radius-img:14px;
  --radius-pill:999px;
  --shadow-rest:0 1px 2px rgba(18,59,50,.06);
  --shadow-hover:0 12px 28px -12px rgba(18,59,50,.18);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--action)}
button{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;line-height:1.3}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
strong{font-weight:700}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--band{background:var(--band)}
.prose{max-width:760px}

/* ============ Dock 导航 ============ */
.dock{
  position:sticky;
  top:16px;
  z-index:90;
  width:calc(100% - 40px);
  max-width:1180px;
  margin:16px auto 0;
  display:flex;
  align-items:center;
  gap:10px;
  padding:9px 12px 9px 18px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  box-shadow:var(--shadow-rest);
  transition:box-shadow .28s ease,background-color .28s ease;
}
.dock.is-scrolled{box-shadow:0 12px 28px -12px rgba(18,59,50,.28);background:rgba(255,255,255,.95)}
.dock .brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:30px;height:30px;border-radius:50%;flex:none;position:relative;
  background:conic-gradient(from 205deg,var(--data) 0deg,var(--action) 130deg,var(--ink) 300deg,var(--data) 360deg);
}
.brand-mark::after{content:"";position:absolute;inset:9px;border-radius:50%;background:#fff}
.brand-text{font-weight:800;font-size:16px;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.dock-links{display:flex;align-items:center;gap:2px;margin:0 auto}
.dock-links a{
  position:relative;
  padding:9px 15px;
  border-radius:var(--radius-pill);
  font-size:14.5px;
  font-weight:500;
  color:var(--muted);
  white-space:nowrap;
}
.dock-links a:hover{background:var(--band);color:var(--ink)}
.dock-links a.is-active{color:var(--ink);font-weight:700;background:var(--band)}
.dock-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:5px;transform:translateX(-50%);
  width:16px;height:3px;border-radius:2px;background:var(--data);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:none}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--ink);
  transition:border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.icon-btn svg{width:17px;height:17px}
.icon-btn:hover{border-color:var(--ink);background:var(--band);transform:translateY(-1px)}
.icon-btn:focus-visible{outline:2px solid var(--data);outline-offset:2px}
.dock-toggle{
  display:none;width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;margin-left:auto;
}
.dock-toggle span{position:relative;display:block;width:16px;height:2px;border-radius:2px;background:var(--ink)}
.dock-toggle span::before,.dock-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;border-radius:2px;background:var(--ink)}
.dock-toggle span::before{top:-5px}
.dock-toggle span::after{top:5px}
.dock-search{
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  display:none;align-items:center;gap:10px;
  padding:10px 12px 10px 18px;background:#fff;border:1px solid var(--line);
  border-radius:22px;box-shadow:var(--shadow-hover);
}
.dock-search.is-open{display:flex}
.dock-search input{
  flex:1;border:0;border-bottom:1px solid var(--line);background:transparent;
  padding:8px 2px;font-size:15px;color:var(--text);outline:none;
}
.dock-search input:focus{border-bottom-color:var(--ink)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:15px;line-height:1;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,filter .22s ease;
}
.btn-primary{background:var(--action);color:#fff;border-radius:var(--radius-pill);padding:14px 28px}
.btn-primary:hover{color:#fff;filter:brightness(.92);transform:translateY(-2px);box-shadow:0 12px 24px -10px rgba(255,90,38,.55)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-primary:focus-visible{outline:2px solid var(--data);outline-offset:3px}
.btn-secondary{background:transparent;border:1px solid var(--line);color:var(--ink);border-radius:12px;padding:13px 24px}
.btn-secondary:hover{border-color:var(--ink);background:var(--band);transform:translateY(-2px)}
.btn-secondary:focus-visible{outline:2px solid var(--data);outline-offset:3px}
.btn-light{background:#fff;color:var(--ink);border-radius:var(--radius-pill);padding:14px 28px}
.btn-light:hover{color:var(--ink);transform:translateY(-2px);box-shadow:0 14px 26px -14px rgba(0,0,0,.4)}
.btn-sm{padding:9px 18px;font-size:14px}
.link-cta{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--ink);border-bottom:2px solid transparent;padding-bottom:2px}
.link-cta span{transition:transform .22s ease}
.link-cta:hover{color:var(--action);border-bottom-color:var(--data)}
.link-cta:hover span{transform:translateX(4px)}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-block;padding:5px 12px;border-radius:8px;
  background:var(--data);color:var(--ink);
  font-size:12px;font-weight:700;letter-spacing:.02em;margin-bottom:16px;
}
.tag-light{background:rgba(201,242,77,.92);color:var(--ink)}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:600;color:var(--muted);
  transition:border-color .2s ease,color .2s ease,background-color .2s ease,transform .2s ease;
}
.pill:hover{border-color:var(--ink);color:var(--ink);background:var(--band);transform:translateY(-2px)}

/* ============ 面包屑 ============ */
.crumbs{font-size:14px;color:var(--muted);padding:26px 0 0;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumbs .sep{color:var(--faint)}
.crumbs .now{color:var(--text);font-weight:600}

/* ============ Hero ============ */
.hero-wrap{padding:22px 0 0}
.hero{
  position:relative;max-width:1200px;margin:0 auto;border-radius:28px;overflow:hidden;
  padding:78px 0 60px;background:var(--ink-deep);
  box-shadow:0 24px 48px -30px rgba(12,42,36,.5);
}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(12,42,36,.9) 0%,rgba(12,42,36,.68) 52%,rgba(12,42,36,.42) 100%);
}
.hero-inner{position:relative;z-index:2;padding:0 56px}
.hero h1{
  color:#fff;font-size:clamp(30px,4.4vw,54px);font-weight:800;line-height:1.25;
  max-width:760px;margin-bottom:20px;
}
.hero-sub{color:rgba(237,242,234,.9);font-size:17px;line-height:1.85;max-width:640px;margin-bottom:32px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:16px 44px;
  border-top:1px solid rgba(255,255,255,.16);padding-top:26px;
}
.hero-stats .stat{min-width:120px}
.hero-stats .stat b{display:block;font-size:clamp(26px,4vw,38px);font-weight:800;color:var(--data);line-height:1.2}
.hero-stats .stat b small{font-size:14px;font-weight:700;margin-left:4px}
.hero-stats .stat span{font-size:13.5px;color:rgba(237,242,234,.8)}

/* ============ 锚点导航 ============ */
.anchor-nav{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  margin-top:26px;
}
.anchor-nav .anchor-label{font-size:13px;color:var(--faint);font-weight:600;margin-right:6px}

/* ============ 方块标题组 ============ */
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;margin-bottom:14px}
.section-head .lead{font-size:16.5px;color:var(--muted);line-height:1.85;margin:0}

/* ============ Z 字图文 ============ */
.zrow{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.zrow--reverse{grid-template-columns:.95fr 1.05fr}
.zrow--reverse .zmedia{order:1}
.zrow--reverse .ztext{order:2}
.zmedia img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-card);box-shadow:0 18px 36px -22px rgba(18,59,50,.4);
}
.ztext h2{font-size:clamp(23px,2.6vw,32px);font-weight:700;margin-bottom:16px}
.ztext p{color:var(--muted);max-width:600px}
.check-list{margin:22px 0 26px;display:grid;gap:12px}
.check-list li{
  position:relative;padding:14px 18px 14px 46px;
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--data);
  border-radius:12px;font-size:15px;color:var(--text);line-height:1.7;
  transition:border-left-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.check-list li::before{
  content:"";position:absolute;left:20px;top:22px;width:8px;height:8px;border-radius:50%;background:var(--action);
}
.check-list li:hover{border-left-color:var(--action);box-shadow:var(--shadow-hover);transform:translateY(-2px)}

/* ============ 整幅图文遮罩 ============ */
.zfull{
  position:relative;border-radius:24px;overflow:hidden;
  min-height:460px;display:flex;align-items:flex-end;padding:52px;
}
.zfull img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.zfull::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(12,42,36,.88) 8%,rgba(12,42,36,.42) 78%)}
.zfull-content{position:relative;z-index:2;max-width:660px}
.zfull-content h2{color:#fff;font-size:clamp(23px,2.8vw,34px);margin-bottom:16px}
.zfull-content p{color:rgba(237,242,234,.9);margin-bottom:28px}
.zfull-points{display:flex;flex-wrap:wrap;gap:14px}
.zfull-points div{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  border-radius:14px;padding:14px 18px;min-width:150px;
}
.zfull-points b{display:block;color:var(--data);font-size:24px;font-weight:800}
.zfull-points span{font-size:13px;color:rgba(237,242,234,.82)}

/* ============ 场景卡（非对称） ============ */
.scene-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:var(--gap)}
.scene-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-rest);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D3DCD4}
.scene-card h3{font-size:19px;font-weight:700;margin-bottom:12px}
.scene-card p{color:var(--muted);font-size:15px;margin-bottom:0}
.scene-card .index{
  display:block;font-size:44px;font-weight:800;color:var(--faint);
  line-height:1;margin-bottom:20px;font-variant-numeric:tabular-nums;
}
.scene-card--big{grid-row:span 2;display:flex;flex-direction:column;gap:26px;padding:0;overflow:hidden}
.scene-card--big img{width:100%;aspect-ratio:16/9;object-fit:cover}
.scene-card--big .big-body{padding:0 34px 34px}
.scene-card--big .index{font-size:52px;margin-bottom:14px}
.scene-card--big p{margin-bottom:18px}

/* ============ FAQ ============ */
.faq-list{max-width:860px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:transparent;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px;font-size:18px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--action)}
.faq-q:focus-visible{outline:2px solid var(--data);outline-offset:-2px;border-radius:8px}
.faq-icon{
  flex:none;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:var(--ink);background:#fff;
}
.faq-icon::before{content:"+"}
.faq-item.is-open .faq-icon{background:var(--data);border-color:var(--data)}
.faq-item.is-open .faq-icon::before{content:"−"}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a p{padding:0 60px 26px 4px;font-size:15px;color:var(--muted);line-height:1.8;margin:0}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--band);border-radius:24px;padding:52px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  border:1px solid #DFE7DC;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-band p{color:var(--muted);max-width:620px;margin:0}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.footer{background:var(--ink-deep);color:var(--band);padding:76px 0 30px;margin-top:96px}
.footer a{color:var(--band)}
.footer a:hover{color:var(--data)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px}
.footer-brand .brand{margin-bottom:18px;display:inline-flex}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(237,242,234,.75);margin:0;max-width:340px}
.footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.01em}
.footer-links{display:grid;gap:12px}
.footer-links a{font-size:14px;color:rgba(237,242,234,.78)}
.footer-info{display:grid;gap:12px;font-size:14px;color:rgba(237,242,234,.78)}
.footer-info strong{color:#fff;font-weight:600}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(237,242,234,.6);
}

/* ============ 弹层表单 ============ */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.modal.is-open{display:flex}
.modal-mask{position:absolute;inset:0;background:rgba(12,42,36,.55);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}
.modal-panel{
  position:relative;width:520px;max-width:100%;background:#fff;border-radius:20px;
  padding:34px;box-shadow:0 30px 60px -24px rgba(12,42,36,.5);
  animation:pop .26s ease;
}
@keyframes pop{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.modal-close{
  position:absolute;right:16px;top:16px;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--line);background:#fff;cursor:pointer;font-size:16px;
  display:inline-flex;align-items:center;justify-content:center;line-height:1;
}
.modal-close:hover{border-color:var(--ink);background:var(--band)}
.modal-panel h3{font-size:22px;margin-bottom:10px}
.modal-panel .modal-note{font-size:14px;color:var(--muted);margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:12px;
  padding:12px 14px;font-size:15px;font-family:inherit;color:var(--text);
  background:#FCFCF9;outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:88px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(201,242,77,.6)}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin:6px 0 22px;line-height:1.7}
.agree input{width:16px;height:16px;margin-top:4px;accent-color:var(--ink);flex:none}
.form-msg{display:none;margin-top:14px;font-size:14px;color:var(--ink);background:var(--band);border-radius:10px;padding:10px 14px}
.form-msg.is-show{display:block}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .section{padding:72px 0}
  .zrow,.zrow--reverse{grid-template-columns:1fr;gap:32px}
  .zrow--reverse .zmedia{order:0}
  .zrow--reverse .ztext{order:0}
  .scene-grid{grid-template-columns:1fr}
  .scene-card--big{grid-row:auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .hero-inner{padding:0 36px}
  .cta-band{padding:42px 36px}
}
@media (max-width:768px){
  body{font-size:16px}
  .dock{width:calc(100% - 24px);padding:8px 10px 8px 16px;border-radius:26px}
  .dock-toggle{display:inline-flex}
  .dock-links{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:2px;
    margin:0;padding:8px;background:#fff;border:1px solid var(--line);
    border-radius:22px;box-shadow:0 18px 36px -18px rgba(18,59,50,.35);
    display:none;
  }
  .dock.is-open .dock-links{display:flex}
  .dock-links a{line-height:52px;padding:0 18px;border-radius:14px;font-size:15px}
  .dock-links a.is-active::after{display:none}
  .dock-actions .icon-btn{display:none}
  .dock-search{top:calc(100% + 10px);border-radius:20px}
  .hero{padding:56px 0 46px;border-radius:22px}
  .hero-inner{padding:0 24px}
  .hero-cta{margin-bottom:34px}
  .hero-stats{gap:16px 30px}
  .zfull{min-height:400px;padding:32px;border-radius:20px}
  .faq-a p{padding-right:8px}
  .footer-grid{grid-template-columns:1fr}
  .modal{align-items:flex-end;padding:0}
  .modal-panel{width:100%;border-radius:20px 20px 0 0;padding:28px 22px 32px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .hero{padding:46px 0 38px}
  .hero-inner{padding:0 20px}
  .hero-stats .stat{min-width:calc(50% - 16px)}
  .scene-card{padding:24px}
  .scene-card--big .big-body{padding:0 24px 26px}
  .cta-band{padding:32px 22px;border-radius:18px}
  .brand-text{font-size:15px}
  .footer{padding-top:56px}
}

/* roulang page: category2 */
:root{
  --ink:#123B32;
  --ink-deep:#0C2A24;
  --action:#FF5A26;
  --data:#C9F24D;
  --bg:#F7F5EF;
  --card:#FFFFFF;
  --band:#EDF2EA;
  --text:#16201C;
  --muted:#5A6762;
  --faint:#8A968F;
  --line:#E1E6DD;
  --radius-card:18px;
  --radius-img:14px;
  --shadow-s:0 1px 2px rgba(18,59,50,.06);
  --shadow-h:0 12px 28px -12px rgba(18,59,50,.18);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.86;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .25s ease,background-color .25s ease,border-color .25s ease,box-shadow .25s ease,transform .25s ease;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
h1,h2,h3,h4{color:var(--ink);font-weight:700;line-height:1.3;}
p{color:var(--text);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--data);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.num,.stat-num{font-variant-numeric:tabular-nums;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ---------- 导航 Dock ---------- */
.site-header{padding:16px 20px 0;}
.dock{
  position:sticky;
  top:16px;
  z-index:60;
  max-width:1180px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 14px 10px 20px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow-s);
  transition:box-shadow .3s ease,background-color .3s ease;
}
.dock.is-scrolled{box-shadow:var(--shadow-h);background:rgba(255,255,255,.95);}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  position:relative;
  width:30px;height:30px;flex:0 0 auto;
  border-radius:50%;
  background:conic-gradient(from 210deg,var(--data),var(--ink) 62%,var(--ink-deep));
}
.brand-mark::after{content:"";position:absolute;inset:8px;border-radius:50%;background:#fff;}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
.dock-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.dock-links a{
  padding:9px 15px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:600;
  color:var(--muted);
  white-space:nowrap;
}
.dock-links a:hover{color:var(--ink);background:var(--band);}
.dock-links a.is-active{
  color:var(--ink);
  background:rgba(201,242,77,.38);
  box-shadow:inset 0 -2px 0 rgba(18,59,50,.30);
}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.icon-btn{
  width:40px;height:40px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:50%;
  background:transparent;
  color:var(--ink);
  cursor:pointer;
  transition:background-color .25s ease,border-color .25s ease,transform .2s ease;
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{background:var(--band);border-color:var(--ink);}
.icon-btn:active{transform:scale(.95);}
.dock-toggle{
  display:none;
  width:42px;height:42px;flex:0 0 auto;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:14px;
  background:transparent;
  cursor:pointer;
  margin-left:auto;
}
.dock-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px;}
.dock-toggle span::before,.dock-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease;}
.dock-toggle span::before{top:-6px;}
.dock-toggle span::after{top:6px;}
.dock.is-open .dock-toggle span{background:transparent;}
.dock.is-open .dock-toggle span::before{transform:translateY(6px) rotate(45deg);}
.dock.is-open .dock-toggle span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;
  border:1px solid transparent;
  border-radius:999px;
  font-size:15px;font-weight:700;line-height:1;
  cursor:pointer;
  transition:background-color .25s ease,color .25s ease,box-shadow .25s ease,transform .2s ease,border-color .25s ease,filter .25s ease;
}
.btn-primary{background:var(--action);color:#fff;box-shadow:0 8px 18px -10px rgba(255,90,38,.85);}
.btn-primary:hover{background:#F04E1C;transform:translateY(-2px);box-shadow:0 16px 26px -12px rgba(255,90,38,.9);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px -8px rgba(255,90,38,.8);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--ink);background:var(--band);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:10px 17px;font-size:14px;}
.btn-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.4);color:#fff;}
.btn-light:hover{background:rgba(255,255,255,.22);border-color:#fff;}
.link-cta{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--ink);}
.link-cta .arrow{transition:transform .25s ease;}
.link-cta:hover{color:var(--action);}
.link-cta:hover .arrow{transform:translateX(4px);}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--action);}
.crumbs .sep{color:rgba(138,150,143,.7);}
.crumbs .current{color:var(--band);font-weight:600;}
.page-hero .crumbs .current{color:#fff;}
.page-hero .crumbs,.page-hero .crumbs a{color:rgba(237,242,234,.78);}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;
  max-width:1200px;
  margin:24px auto 0;
  border-radius:26px;
  overflow:hidden;
  background:var(--ink-deep);
  isolation:isolate;
}
.page-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42;z-index:0;}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(12,42,36,.92) 0%,rgba(12,42,36,.72) 48%,rgba(12,42,36,.5) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:66px 0 60px;}
.page-hero h1{
  margin-top:22px;
  font-size:clamp(30px,4.4vw,54px);
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.25;
  color:#fff;
  max-width:16em;
}
.page-hero .lead{
  margin-top:20px;
  max-width:730px;
  font-size:17px;
  line-height:1.85;
  color:rgba(237,242,234,.9);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags span{
  padding:7px 14px;
  border:1px solid rgba(201,242,77,.42);
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  color:var(--data);
  background:rgba(201,242,77,.08);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}

/* ---------- 数据带 ---------- */
.data-band{background:var(--ink-deep);margin-top:var(--sec);padding:72px 0;}
.data-band .band-title{font-size:14px;letter-spacing:.16em;text-transform:uppercase;color:var(--data);font-weight:700;margin-bottom:10px;}
.data-band h2{color:#fff;font-size:clamp(24px,3vw,34px);max-width:22em;}
.data-grid{margin-top:44px;}
.data-item{padding:22px 20px 20px;border-top:2px solid rgba(201,242,77,.35);}
.data-item .stat-num{display:block;font-size:clamp(36px,5vw,58px);font-weight:800;line-height:1;color:var(--data);letter-spacing:-.02em;}
.data-item .stat-unit{font-size:15px;font-weight:700;color:var(--data);margin-left:4px;}
.data-item p{margin-top:12px;font-size:14.5px;line-height:1.7;color:rgba(237,242,234,.78);}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sec) 0 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--action);text-transform:uppercase;}
.section-head h2{margin-top:12px;font-size:clamp(26px,3.2vw,36px);}
.section-head p{margin-top:14px;font-size:16.5px;line-height:1.85;color:var(--muted);}

/* ---------- 目录 + 分组 ---------- */
.split{display:grid;grid-template-columns:250px minmax(0,1fr);gap:44px;align-items:start;}
.toc-card{
  position:sticky;top:104px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px 16px;
  box-shadow:var(--shadow-s);
}
.toc-title{font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--faint);text-transform:uppercase;padding:0 10px 12px;}
.toc-nav{display:flex;flex-direction:column;gap:2px;}
.toc-nav a{
  display:block;
  padding:10px 12px;
  border-radius:10px;
  font-size:14.5px;
  font-weight:600;
  color:var(--muted);
  border-left:3px solid transparent;
}
.toc-nav a:hover{background:var(--band);color:var(--ink);}
.toc-nav a.is-current{color:var(--ink);background:rgba(201,242,77,.28);border-left-color:var(--action);}
.groups{display:flex;flex-direction:column;gap:26px;}
.group{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 24px 14px;
  box-shadow:var(--shadow-s);
  scroll-margin-top:110px;
  transition:box-shadow .3s ease,transform .3s ease;
}
.group:hover{box-shadow:var(--shadow-h);}
.group-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;padding-bottom:6px;}
.group-head h2{font-size:22px;font-weight:700;}
.group-head .group-note{font-size:13.5px;color:var(--faint);}
.entries{margin-top:10px;}
.entry{
  display:flex;align-items:center;gap:16px;
  padding:16px 14px;
  border-top:1px solid var(--line);
  border-radius:12px;
  transition:background-color .25s ease,transform .2s ease,padding .2s ease;
}
.entry:first-child{border-top:0;}
.entry:hover{background:var(--band);}
.entry:hover .entry-arrow{color:var(--action);transform:translateX(4px);}
.entry-body{display:block;min-width:0;}
.entry-body strong{display:block;font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;}
.entry-body .entry-desc{display:block;margin-top:5px;font-size:14px;line-height:1.72;color:var(--muted);}
.entry-arrow{margin-left:auto;flex:0 0 auto;font-size:18px;color:var(--faint);transition:transform .25s ease,color .25s ease;}

/* ---------- 图文块 ---------- */
.media-block{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:52px;align-items:center;}
.media-figure{position:relative;border-radius:22px;overflow:hidden;box-shadow:var(--shadow-h);}
.media-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.media-figure .figure-tag{
  position:absolute;left:18px;bottom:18px;
  padding:8px 14px;
  border-radius:999px;
  background:rgba(12,42,36,.86);
  color:var(--data);
  font-size:13px;font-weight:700;
}
.media-copy h2{font-size:clamp(26px,3.2vw,36px);}
.media-copy p{margin-top:16px;font-size:16.5px;line-height:1.88;color:var(--muted);max-width:620px;}
.mini-list{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.mini-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;line-height:1.75;color:var(--text);}
.mini-list li .dot{
  flex:0 0 auto;width:22px;height:22px;margin-top:5px;
  border-radius:50%;background:rgba(201,242,77,.4);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink);font-size:11px;font-weight:800;
}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin-top:8px;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;align-items:center;gap:18px;
  padding:22px 6px;
  background:transparent;border:0;
  text-align:left;cursor:pointer;
  font-size:18px;font-weight:600;color:var(--ink);
  transition:color .25s ease;
}
.faq-q:hover{color:var(--action);}
.faq-q span:first-child{flex:1;}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 auto;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink);border-radius:2px;transition:transform .3s ease,background-color .3s ease;}
.faq-icon::before{left:0;right:0;top:8px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:8px;width:2px;}
.faq-item.is-open .faq-icon::before{background:var(--action);}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 34px 24px 6px;font-size:15px;line-height:1.85;color:var(--muted);max-width:720px;}

/* ---------- 相关分类 ---------- */
.related{padding-top:var(--sec);}
.chips{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 22px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--card);
  font-size:15px;font-weight:700;color:var(--ink);
  box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease,background-color .25s ease;
}
.chip:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:var(--ink);background:var(--band);}
.chip.is-current{background:rgba(201,242,77,.35);border-color:rgba(18,59,50,.24);}

/* ---------- CTA ---------- */
.cta-band{margin-top:var(--sec);background:var(--band);padding:64px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cta-inner{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:32px;align-items:center;}
.cta-band h2{font-size:clamp(24px,3vw,34px);}
.cta-band p{margin-top:12px;font-size:16px;color:var(--muted);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- 表单弹层 ---------- */
.layer{
  position:fixed;inset:0;z-index:120;
  display:none;
  align-items:center;justify-content:center;
  padding:20px;
}
.layer.is-open{display:flex;}
.layer-mask{position:absolute;inset:0;background:rgba(12,42,36,.55);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);}
.panel{
  position:relative;z-index:1;
  width:100%;max-width:520px;
  background:#fff;
  border-radius:20px;
  padding:30px 28px 28px;
  box-shadow:0 30px 60px -24px rgba(12,42,36,.5);
  max-height:calc(100vh - 40px);
  overflow-y:auto;
}
.panel h3{font-size:22px;}
.panel .panel-sub{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.75;}
.modal-close{
  position:absolute;top:16px;right:16px;
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:18px;line-height:1;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
}
.modal-close:hover{background:var(--band);border-color:var(--ink);}
.form-grid{margin-top:22px;display:flex;flex-direction:column;gap:16px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;
  padding:13px 15px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#FCFCFA;
  font-size:15px;color:var(--text);
  transition:border-color .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--ink);background:#fff;box-shadow:0 0 0 3px rgba(201,242,77,.55);}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;line-height:1.7;color:var(--muted);}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--ink);}
.form-note{margin-top:14px;font-size:12.5px;line-height:1.7;color:var(--faint);}
.form-ok{margin-top:16px;padding:12px 14px;border-radius:12px;background:rgba(201,242,77,.35);color:var(--ink);font-size:14px;font-weight:600;display:none;}
.form-ok.is-show{display:block;}

/* ---------- 搜索层 ---------- */
.search-panel{max-width:560px;}
.search-panel input{
  width:100%;margin-top:20px;padding:14px 16px;
  border:1px solid var(--line);border-radius:14px;
  font-size:15.5px;background:#FCFCFA;
}
.search-panel input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(201,242,77,.55);}
.search-tip{margin-top:14px;font-size:13.5px;color:var(--muted);}
.entry.is-hidden{display:none;}
.group.is-hidden{display:none;}

/* ---------- 页脚 ---------- */
.footer{margin-top:var(--sec);background:var(--ink-deep);color:rgba(237,242,234,.8);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.02em;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(237,242,234,.68);max-width:340px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:rgba(237,242,234,.78);}
.footer-links a:hover{color:var(--data);}
.footer-info{display:flex;flex-direction:column;gap:12px;font-size:14px;color:rgba(237,242,234,.72);}
.footer-info strong{color:rgba(201,242,77,.9);font-weight:600;}
.footer-bottom{
  margin-top:52px;padding-top:22px;
  border-top:1px solid rgba(237,242,234,.18);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(237,242,234,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec:72px;}
  .split{grid-template-columns:1fr;gap:28px;}
  .toc-card{position:static;}
  .toc-nav{flex-direction:row;flex-wrap:wrap;}
  .toc-nav a{border-left:0;border-bottom:3px solid transparent;border-radius:10px;}
  .toc-nav a.is-current{border-left:0;border-bottom-color:var(--action);}
  .media-block{grid-template-columns:1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:900px){
  .dock{flex-wrap:wrap;padding:10px 12px 10px 16px;}
  .dock-links{display:none;}
  .dock-toggle{display:inline-flex;}
  .dock.is-open .dock-links{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    position:absolute;
    top:calc(100% + 10px);
    left:0;right:0;
    margin-left:0;
    padding:10px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:22px;
    box-shadow:var(--shadow-h);
    gap:2px;
  }
  .dock.is-open .dock-links a{padding:14px 16px;font-size:15px;}
  .dock-actions{margin-left:auto;}
  .dock-toggle{margin-left:0;}
}
@media (max-width:768px){
  .page-hero{margin-top:18px;border-radius:20px;}
  .page-hero-inner{padding:48px 0 44px;}
  .data-band{padding:52px 0;}
  .footer{padding:56px 0 24px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;justify-content:flex-start;}
}
@media (max-width:560px){
  :root{--sec:56px;}
  body{font-size:16px;}
  .container{padding:0 16px;}
  .site-header{padding:12px 16px 0;}
  .brand-text{font-size:15.5px;}
  .dock{gap:10px;}
  .dock-actions .btn{display:none;}
  .hero-cta .btn{width:100%;}
  .entry{padding:14px 8px;gap:12px;}
  .entry-body strong{font-size:16px;}
  .group{padding:22px 16px 8px;}
  .faq-q{font-size:16.5px;padding:18px 4px;}
  .faq-a p{padding:0 4px 20px 4px;}
  .panel{border-radius:20px 20px 0 0;max-width:none;width:100%;margin-top:auto;padding:26px 20px 24px;max-height:88vh;}
  .layer{padding:0;align-items:flex-end;}
  .cta-actions .btn{width:100%;}
  .chip{width:100%;justify-content:space-between;}
}
@media (min-width:1440px){
  .container{max-width:1240px;}
}

/* roulang page: category3 */
:root{
  --ink:#123B32;
  --ink-deep:#0C2A24;
  --action:#FF5A26;
  --action-dark:#E94E1D;
  --data:#C9F24D;
  --bg:#F7F5EF;
  --card:#FFFFFF;
  --band:#EDF2EA;
  --text:#16201C;
  --muted:#5A6762;
  --faint:#8A968F;
  --line:#E1E6DD;
  --shadow-s:0 1px 2px rgba(18,59,50,.06);
  --shadow-h:0 12px 28px -12px rgba(18,59,50,.18);
  --r-card:18px;
  --r-img:14px;
  --r-pill:999px;
  --r-btn:12px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--action);}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
h1{font-size:clamp(30px,4.4vw,54px);font-weight:800;line-height:1.25;}
h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;}
h3{font-size:20px;}
h4{font-size:16px;}
ul,ol{margin:0 0 1.15em;padding-left:1.15em;}
li{margin-bottom:.45em;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--data);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部浮动 Dock 导航 ============ */
.site-header{position:sticky;top:16px;z-index:80;padding:0 20px;}
.dock{
  max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:16px;
  padding:10px 12px 10px 20px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--shadow-s);
  transition:box-shadow .28s ease,background-color .28s ease;
}
.dock.is-scrolled{background:rgba(255,255,255,.96);box-shadow:0 14px 30px -14px rgba(18,59,50,.3);}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:16px;letter-spacing:-.01em;white-space:nowrap;}
.brand:hover{color:var(--ink);}
.brand-mark{
  position:relative;width:28px;height:28px;flex:0 0 28px;border-radius:50%;
  border:3px solid var(--ink);
  background:conic-gradient(from 200deg,var(--data) 0deg,var(--data) 90deg,rgba(201,242,77,0) 90deg 360deg);
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:8px;height:8px;border-radius:50%;
  background:var(--action);transform:translate(-50%,-50%);
}
.brand-text{max-width:200px;overflow:hidden;text-overflow:ellipsis;}
.dock-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock-links a{
  padding:9px 15px;border-radius:var(--r-pill);font-size:14.5px;color:var(--muted);font-weight:500;
}
.dock-links a:hover{color:var(--ink);background:var(--band);}
.dock-links a.is-active{color:var(--ink);font-weight:700;background:var(--data);}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:6px;}
.icon-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:.2s ease;
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{border-color:var(--ink);background:var(--band);}
.dock-toggle{
  display:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;
  cursor:pointer;align-items:center;justify-content:center;
}
.dock-toggle span{display:block;width:16px;height:2px;background:var(--ink);position:relative;}
.dock-toggle span::before,.dock-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);}
.dock-toggle span::before{top:-5px;}
.dock-toggle span::after{top:5px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--action);color:#fff;border-color:var(--action);box-shadow:0 10px 20px -12px rgba(255,90,38,.85);}
.btn-primary:hover{background:var(--action-dark);border-color:var(--action-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 28px -14px rgba(255,90,38,.9);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px -10px rgba(255,90,38,.8);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--ink);background:var(--band);color:var(--ink);}
.btn-light{background:#fff;color:var(--ink);border-color:#fff;}
.btn-light:hover{background:var(--data);border-color:var(--data);color:var(--ink);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-lg{padding:15px 30px;font-size:16px;}
.btn-block{width:100%;}
.link-more{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--ink);font-size:14.5px;}
.link-more svg{width:16px;height:16px;transition:transform .22s ease;}
.link-more:hover{color:var(--action);}
.link-more:hover svg{transform:translateX(4px);}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--data);}
.breadcrumb .sep{color:var(--faint);}
.breadcrumb .current{color:#fff;}

/* ============ 首屏 ============ */
.page-hero{padding:20px 0 0;scroll-margin-top:110px;}
.hero-card{
  position:relative;border-radius:26px;overflow:hidden;min-height:420px;
  display:flex;align-items:flex-end;padding:44px;
  background-image:linear-gradient(100deg,rgba(12,42,36,.9) 0%,rgba(12,42,36,.72) 45%,rgba(12,42,36,.42) 100%),
    url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
}
.hero-inner{position:relative;z-index:2;max-width:760px;color:#fff;}
.hero-inner h1{color:#fff;margin:14px 0 12px;}
.hero-inner .lead{color:#DCE7DD;font-size:17px;line-height:1.85;max-width:620px;margin-bottom:24px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(201,242,77,.2);border:1px solid rgba(201,242,77,.5);color:var(--data);
  font-size:13px;font-weight:700;letter-spacing:.04em;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.18);}
.hero-facts div{min-width:110px;}
.hero-facts strong{display:block;font-size:clamp(22px,2.4vw,30px);font-weight:800;color:var(--data);font-variant-numeric:tabular-nums;}
.hero-facts span{font-size:13px;color:#B9C7BB;}

/* ============ 锚点导航 ============ */
.anchor-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.anchor-bar a{
  padding:9px 18px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);
  font-size:14px;color:var(--muted);font-weight:600;
}
.anchor-bar a:hover{border-color:var(--ink);color:var(--ink);background:var(--band);}

/* ============ 板块 ============ */
.section{padding:96px 0;scroll-margin-top:110px;}
.section-band{background:var(--band);}
.section-deep{background:var(--ink-deep);}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;line-height:1.85;}
.kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--action);margin-bottom:12px;
}

/* ============ 情形对照 ============ */
.compare{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-s);}
.compare-head{display:grid;grid-template-columns:1fr 1fr;background:var(--band);border-bottom:1px solid var(--line);}
.compare-head span{padding:16px 24px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--ink);}
.compare-head span:last-child{color:var(--action);}
.compare-row{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);transition:background-color .2s ease;}
.compare-row:first-of-type{border-top:0;}
.compare-row:hover{background:#FBFCF8;}
.compare-row > div{padding:22px 24px;font-size:15.5px;line-height:1.8;}
.c-situation{color:var(--ink);font-weight:700;border-right:1px solid var(--line);position:relative;}
.c-situation::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:0 3px 3px 0;background:var(--data);
  transition:background-color .2s ease;
}
.compare-row:hover .c-situation::before{background:var(--action);}
.c-situation span{display:block;padding-left:14px;}
.c-action{color:var(--muted);}
.c-action strong{color:var(--ink);font-weight:700;}

/* ============ 支持卡片（非对称） ============ */
.plan-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:var(--gap);}
.plan-stack{display:grid;gap:var(--gap);align-content:start;}
.plan-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;
  box-shadow:var(--shadow-s);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:#D3DCCF;}
.plan-card-lg{padding:30px;}
.plan-num{font-size:34px;font-weight:800;color:var(--faint);font-variant-numeric:tabular-nums;line-height:1;margin-bottom:14px;}
.plan-media{border-radius:var(--r-img);overflow:hidden;margin-bottom:20px;aspect-ratio:16/10;background:var(--band);}
.plan-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.plan-card:hover .plan-media img{transform:scale(1.03);}
.plan-card h3{margin-bottom:10px;}
.plan-card p{color:var(--muted);font-size:15px;line-height:1.8;margin-bottom:18px;}
.plan-card .link-more{margin-top:auto;}
.tag{
  display:inline-block;padding:4px 10px;border-radius:6px;background:var(--data);color:var(--ink);
  font-size:11px;font-weight:700;letter-spacing:.04em;margin-bottom:12px;
}

/* ============ 数据带 ============ */
.stat-band{padding:76px 0;background:var(--ink-deep);color:#DCE7DD;}
.stat-band h2{color:#fff;margin-bottom:12px;}
.stat-band .lead{color:#B9C7BB;max-width:640px;font-size:16px;margin-bottom:40px;}
.stat-grid{margin:0 -12px;}
.stat-cell{padding:24px 20px;border-left:1px solid rgba(255,255,255,.14);}
.stat-cell:first-child{border-left:0;}
.stat-cell strong{display:block;font-size:clamp(34px,4.6vw,56px);font-weight:800;color:var(--data);line-height:1.1;font-variant-numeric:tabular-nums;}
.stat-cell .unit{font-size:16px;font-weight:700;color:var(--data);margin-left:4px;}
.stat-cell span{display:block;margin-top:8px;font-size:14px;color:#B9C7BB;line-height:1.7;}

/* ============ FAQ ============ */
.faq{max-width:860px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:18px;font-weight:600;color:var(--ink);transition:color .2s ease;
}
.faq-q:hover{color:var(--action);}
.faq-q[aria-expanded="true"]{color:var(--action);}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;transform:translate(-50%,-50%);transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{width:16px;height:2px;}
.faq-icon::after{width:2px;height:16px;}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a-inner{padding:0 4px 24px;max-width:760px;font-size:15.5px;line-height:1.85;color:var(--muted);}
.faq-a-inner strong{color:var(--ink);}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;border-radius:24px;overflow:hidden;padding:48px;
  background-image:linear-gradient(100deg,rgba(12,42,36,.94),rgba(18,59,50,.78)),
    url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{color:#fff;margin-bottom:10px;}
.cta-band p{color:#C6D3C7;font-size:15.5px;max-width:560px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-note{margin-top:26px;font-size:13.5px;color:var(--muted);}

/* ============ 页脚 ============ */
.footer{background:var(--ink-deep);color:#C6D3C7;padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer .brand{color:#fff;margin-bottom:16px;}
.footer .brand:hover{color:#fff;}
.footer .brand-mark{border-color:#fff;background:conic-gradient(from 200deg,var(--data) 0deg,var(--data) 90deg,rgba(201,242,77,0) 90deg 360deg);}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#9FB0A4;max-width:340px;}
.footer h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14.5px;color:#C6D3C7;}
.footer-links a:hover{color:var(--data);}
.footer-info{display:flex;flex-direction:column;gap:12px;font-size:14px;color:#9FB0A4;}
.footer-info strong{color:#DCE7DD;font-weight:600;}
.footer-bottom{
  margin-top:56px;padding:24px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:#8A9A8E;
}

/* ============ 弹层与搜索 ============ */
.modal,.search-layer{position:fixed;inset:0;z-index:120;display:none;}
.modal.is-open,.search-layer.is-open{display:block;}
.modal-mask,.search-mask{position:absolute;inset:0;background:rgba(12,42,36,.55);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);}
.modal-panel{
  position:relative;z-index:2;width:min(520px,calc(100% - 32px));margin:8vh auto 0;background:#fff;
  border-radius:20px;padding:32px;box-shadow:0 30px 60px -24px rgba(12,42,36,.55);
  max-height:84vh;overflow:auto;
}
.modal-close{
  position:absolute;right:16px;top:14px;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--muted);font-size:20px;line-height:1;cursor:pointer;transition:.2s ease;
}
.modal-close:hover{color:var(--ink);border-color:var(--ink);background:var(--band);}
.modal-panel h3{margin-bottom:8px;}
.modal-panel .modal-desc{color:var(--muted);font-size:14.5px;margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:7px;}
.field input,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#FCFDFB;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.75;}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--data);background:#fff;box-shadow:0 0 0 3px rgba(201,242,77,.45);}
.checkline{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);margin:6px 0 20px;line-height:1.7;}
.checkline input{width:16px;height:16px;margin-top:4px;accent-color:var(--action);flex:0 0 16px;}
.form-note{margin-top:14px;font-size:13px;color:var(--faint);}
.form-ok{
  display:none;margin-top:16px;padding:12px 16px;border-radius:12px;background:var(--band);border:1px solid var(--line);
  color:var(--ink);font-size:14px;font-weight:600;
}
.form-ok.is-show{display:block;}

.search-panel{
  position:relative;z-index:2;width:min(640px,calc(100% - 32px));margin:14vh auto 0;background:#fff;
  border-radius:20px;padding:26px;box-shadow:0 30px 60px -24px rgba(12,42,36,.55);
}
.search-box{display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line);padding-bottom:12px;}
.search-box svg{width:20px;height:20px;color:var(--muted);flex:0 0 20px;}
.search-box input{flex:1;border:0;background:transparent;font-size:17px;color:var(--text);}
.search-box input:focus{outline:none;}
.search-hints{margin-top:20px;}
.search-hints h4{font-size:13px;color:var(--muted);font-weight:700;letter-spacing:.06em;margin-bottom:12px;}
.search-pills{display:flex;flex-wrap:wrap;gap:10px;}
.search-pills a{padding:8px 16px;border-radius:var(--r-pill);background:var(--band);font-size:14px;color:var(--ink);font-weight:600;}
.search-pills a:hover{background:var(--data);color:var(--ink);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .section{padding:72px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .plan-grid{grid-template-columns:1fr;}
  .hero-card{min-height:380px;padding:36px;}
  .stat-cell{border-left:0;border-top:1px solid rgba(255,255,255,.14);}
  .stat-cell:first-child,.stat-cell:nth-child(2){border-top:0;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .site-header{top:10px;padding:0 14px;}
  .dock{flex-wrap:wrap;border-radius:24px;padding:10px 12px;gap:10px;}
  .dock-toggle{display:inline-flex;margin-left:auto;order:2;}
  .dock-actions{order:3;margin-left:10px;}
  .dock-links{
    order:5;flex-basis:100%;flex-direction:column;align-items:stretch;gap:2px;
    max-height:0;overflow:hidden;margin:0;transition:max-height .3s ease;
  }
  .dock-links.is-open{max-height:340px;padding-top:8px;}
  .dock-links a{padding:14px 14px;border-radius:14px;font-size:15px;}
  .brand-text{max-width:none;font-size:15px;}
  .hero-card{padding:28px 22px;min-height:420px;}
  .hero-facts{gap:20px;}
  .cta-band{padding:32px 24px;}
  .compare-head{display:none;}
  .compare-row{grid-template-columns:1fr;}
  .compare-row > div{padding:18px 20px;}
  .c-situation{border-right:0;border-bottom:1px dashed var(--line);}
  .c-situation::before{top:18px;bottom:18px;}
  .modal-panel{width:100%;margin:auto 0 0;border-radius:20px 20px 0 0;position:absolute;bottom:0;left:0;right:0;max-height:90vh;}
  .modal.is-open .modal-panel{display:block;}
  .search-panel{width:calc(100% - 28px);margin:12vh auto 0;padding:20px;}
  .section{padding:56px 0;}
  .footer{padding-top:56px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .faq-q{font-size:16.5px;padding:18px 2px;}
}
@media (max-width:560px){
  .container{padding:0 16px;}
  .dock-actions .btn{display:none;}
  .hero-inner .lead{font-size:15.5px;}
  .hero-cta .btn{width:100%;}
  .plan-card,.plan-card-lg{padding:20px;}
  .anchor-bar a{font-size:13px;padding:8px 14px;}
}