/* roulang page: index */
:root{
  --ink:#0E4B43;
  --ink-2:#14655A;
  --ink-3:#0A3B35;
  --accent:#C8461F;
  --accent-2:#E0693A;
  --amber:#E9A23B;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --alt:#EFECE4;
  --line:#E4E0D6;
  --text:#23211D;
  --muted:#6B675F;
  --tint:#EAF2F0;
  --r-card:12px;
  --r-lg:16px;
  --r-btn:8px;
  --pill:999px;
  --sh:0 1px 2px rgba(18,20,18,.04), 0 8px 24px rgba(18,20,18,.06);
  --sh-hover:0 12px 32px rgba(18,20,18,.10);
  --ease:180ms ease;
  --sec-pad:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Inter,sans-serif;
  font-size:16px;
  font-weight:400;
  line-height:1.85;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
a:hover{color:var(--accent);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--ink);
  outline-offset:2px;
  border-radius:4px;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.01em;}
h1{font-size:42px;line-height:1.25;}
h2{font-size:29px;line-height:1.35;}
h3{font-size:20px;line-height:1.5;}
h4{font-size:17px;line-height:1.55;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:16px;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:16px;color:var(--text);}
::selection{background:var(--amber);color:#2A1D06;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sec-pad) 0;}
.section--tight{padding:56px 0;}
.section--alt{background:var(--alt);}
.section--dark{background:var(--ink-3);color:rgba(255,255,255,.86);}
.section--dark h2,.section--dark h3{color:#fff;}

.sec-head{max-width:780px;margin-bottom:32px;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;letter-spacing:.08em;
  color:var(--accent);text-transform:uppercase;margin-bottom:10px;
}
.sec-head .eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);display:block;}
.sec-head h2{margin-bottom:12px;}
.sec-head p{color:var(--muted);font-size:16px;margin:0;}
.sec-head--light p{color:rgba(255,255,255,.72);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:16px;font-weight:500;line-height:1.2;
  border:1.5px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(200,70,31,.22);}
.btn--primary:hover{background:#AE3B18;color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(200,70,31,.28);}
.btn--primary:active{background:#95320F;transform:translateY(0);}
.btn--outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn--outline:hover{background:var(--tint);color:var(--ink);transform:translateY(-1px);}
.btn--outline:active{background:#DAE8E5;}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px);}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:var(--pill);
  font-size:12px;font-weight:500;line-height:1.7;
  background:var(--tint);color:var(--ink-2);
}
.badge--amber{background:rgba(233,162,59,.16);color:#8A5A10;}
.badge--solid{background:var(--ink);color:#fff;}
.badge--line{background:transparent;border:1px solid var(--line);color:var(--muted);}
.dot{width:6px;height:6px;border-radius:50%;background:var(--amber);display:inline-block;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.96);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background-color var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(18,20,18,.08);background:rgba(255,255,255,.98);}
.brand-bar{transition:padding var(--ease);}
.brand-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:14px;padding-bottom:14px;}
.site-header.is-stuck .brand-bar__inner{padding-top:8px;padding-bottom:8px;}
.brand-logo{display:flex;align-items:center;gap:12px;}
.brand-logo__mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:10px;
  background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:700;letter-spacing:.02em;
}
.brand-logo__text{display:flex;flex-direction:column;line-height:1.25;}
.brand-logo__text strong{font-size:19px;font-weight:700;color:var(--ink);white-space:nowrap;}
.brand-logo__text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.02em;}
.brand-bar__tools{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--pill);
  padding:8px 16px;min-width:230px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 3px rgba(20,101,90,.12);}
.nav-search i{color:var(--muted);font-size:14px;}
.nav-search input{border:0;background:transparent;outline:none;width:100%;font-size:15px;}
.nav-search input::placeholder{color:#9C978C;}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:15px;font-weight:500;
}
.nav-toggle:hover{border-color:var(--ink);}

.channel-nav{border-top:1px solid var(--line);}
.channel-nav__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.channel-list{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.channel-list a{
  display:block;position:relative;padding:14px 16px;
  font-size:16px;font-weight:500;color:var(--ink-2);
}
.site-header.is-stuck .channel-list a{padding:10px 16px;}
.channel-list a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;
  background:transparent;border-radius:3px 3px 0 0;transition:background-color var(--ease);
}
.channel-list a:hover{color:var(--ink);background:rgba(20,101,90,.05);}
.channel-list a.is-active{color:var(--ink);font-weight:700;}
.channel-list a.is-active::after{background:var(--accent);}
.hot-words{display:flex;align-items:center;gap:14px;font-size:14px;}
.hot-words__label{color:var(--muted);font-size:13px;}
.hot-words a{display:inline-flex;align-items:center;gap:6px;color:var(--ink-2);border-bottom:1px solid transparent;}
.hot-words a:hover{color:var(--accent);border-bottom-color:var(--accent);}

.nav-drawer{
  display:none;position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);
  background:#fff;border-left:1px solid var(--line);
  box-shadow:-12px 0 32px rgba(18,20,18,.14);
  padding:24px;z-index:80;overflow-y:auto;
}
.nav-drawer.is-open{display:block;}
.nav-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.nav-drawer__close{font-size:24px;line-height:1;color:var(--muted);padding:4px 8px;border-radius:6px;}
.nav-drawer__close:hover{background:var(--alt);color:var(--ink);}
.nav-drawer .nav-search{min-width:0;width:100%;margin-bottom:20px;}
.nav-drawer ul li a{
  display:block;padding:13px 4px;border-bottom:1px solid var(--line);
  font-size:16px;font-weight:500;color:var(--ink-2);
}
.nav-drawer ul li a.is-active{color:var(--accent);font-weight:700;}
.nav-drawer__hot{margin-top:22px;}
.nav-drawer__hot h4{margin-bottom:10px;font-size:14px;color:var(--muted);font-weight:500;}
.nav-drawer__hot a{display:inline-flex;align-items:center;gap:6px;margin:0 14px 10px 0;font-size:14px;color:var(--ink-2);}
.drawer-mask{position:fixed;inset:0;background:rgba(18,20,18,.42);z-index:70;display:none;}
.drawer-mask.is-open{display:block;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:linear-gradient(180deg,#FBF9F5 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(20,101,90,.05) 0 2px,transparent 2px 10px);
  opacity:.9;pointer-events:none;
}
.hero__inner{
  position:relative;display:grid;grid-template-columns:1.05fr .95fr;
  gap:56px;align-items:center;padding:80px 0 84px;
}
.hero__label{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--pill);
  background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);margin-bottom:20px;
}
.hero h1{margin-bottom:18px;}
.hero h1 span{color:var(--accent);}
.hero__lead{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:26px;}
.hero__points{display:flex;flex-wrap:wrap;gap:10px 22px;margin:24px 0 0;}
.hero__points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);}
.hero__points i{color:var(--ink-2);font-size:13px;}
.hero__figure{position:relative;}
.hero__figure img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--sh);background:var(--alt);
}
.hero__card{
  position:absolute;left:-18px;bottom:-22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 20px;box-shadow:var(--sh);min-width:210px;
}
.hero__card b{display:block;font-size:26px;color:var(--accent);line-height:1.2;}
.hero__card span{font-size:13px;color:var(--muted);}

/* ---------- 痛点提问区 ---------- */
.qa-layout{display:grid;grid-template-columns:280px 1fr;gap:48px;align-items:start;}
.qa-layout__side h2{margin-bottom:14px;}
.qa-layout__side p{color:var(--muted);font-size:15px;}
.qa-layout__side::after{content:"";display:block;width:48px;height:4px;background:var(--accent);margin-top:22px;border-radius:2px;}
.qa-list{display:flex;flex-direction:column;gap:10px;}
.qa-item{
  display:grid;grid-template-columns:38px 1fr;gap:16px;align-items:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.qa-item:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:#D8D2C4;}
.qa-item__no{
  width:38px;height:38px;border-radius:10px;background:var(--tint);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
}
.qa-item h3{margin-bottom:6px;}
.qa-item p{font-size:14.5px;color:var(--muted);margin:0;}

/* ---------- 方案卡片区 ---------- */
.grid-x{gap:0;}
.scheme-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow var(--ease),transform var(--ease);
}
.scheme-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.scheme-card__body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.scheme-card__icon{
  width:44px;height:44px;border-radius:10px;
  background:var(--tint);color:var(--ink);display:flex;align-items:center;justify-content:center;font-size:18px;
}
.scheme-card p{color:var(--muted);font-size:14px;margin:0;}
.scheme-card__link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--accent);margin-top:auto;}
.scheme-card__link:hover{color:#95320F;gap:12px;}
.scheme-card--feature .scheme-card__media{position:relative;aspect-ratio:16/7;overflow:hidden;background:var(--alt);}
.scheme-card--feature .scheme-card__media img{width:100%;height:100%;object-fit:cover;}
.scheme-card--feature .scheme-card__body{padding:26px 24px;}
.scheme-card--feature h3{font-size:22px;}
.scheme-note{
  height:100%;border-radius:var(--r-card);background:var(--ink);color:rgba(255,255,255,.86);
  padding:26px 24px;display:flex;flex-direction:column;gap:12px;
}
.scheme-note h3{color:#fff;font-size:19px;}
.scheme-note p{font-size:14px;margin:0;color:rgba(255,255,255,.74);}
.scheme-note strong{color:var(--amber);font-size:26px;font-weight:700;line-height:1.2;}

/* ---------- 数据带 ---------- */
.stats-band{
  background:var(--ink-3);color:#fff;
  border-radius:var(--r-lg);padding:44px 40px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
  position:relative;overflow:hidden;
}
.stats-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  border-radius:50%;background:rgba(233,162,59,.10);
}
.stat-item{position:relative;z-index:1;}
.stat-item b{display:block;font-size:38px;line-height:1.15;color:var(--amber);font-weight:700;}
.stat-item b small{font-size:14px;color:rgba(255,255,255,.74);margin-left:6px;font-weight:400;}
.stat-item span{font-size:14px;color:rgba(255,255,255,.72);}

/* ---------- 内容列表 ---------- */
.post-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow var(--ease),transform var(--ease);
}
.post-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.post-card__media{aspect-ratio:16/9;overflow:hidden;background:var(--alt);}
.post-card__media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.post-card:hover .post-card__media img{transform:scale(1.03);}
.post-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card__top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.post-card h3{
  font-size:18px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card h3 a{color:var(--ink);}
.post-card h3 a:hover{color:var(--accent);}
.post-card__excerpt{
  font-size:14px;color:var(--muted);line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--muted);
}
.post-card__meta .arrow{color:var(--accent);}
.cms-empty{
  background:var(--tint);border:1px dashed #C7DAD6;border-radius:var(--r-card);
  padding:48px 24px;text-align:center;color:var(--ink-2);
}
.cms-empty i{font-size:28px;color:var(--ink-2);display:block;margin-bottom:12px;}
.cms-empty p{margin:0 0 16px;font-size:15px;}
.list-more{display:flex;justify-content:center;margin-top:36px;}

/* ---------- 表单 ---------- */
.form-card{
  background:var(--tint);border:1px solid #D3E3E0;border-radius:var(--r-lg);
  padding:34px;display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:start;
}
.form-card__side h3{font-size:23px;margin-bottom:12px;}
.form-card__side p{color:var(--muted);font-size:15px;}
.form-card__side ul{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.form-card__side li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--ink-2);}
.form-card__side li i{color:var(--accent);margin-top:6px;font-size:12px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:500;color:var(--ink);margin-bottom:7px;}
.field input,.field textarea,.field select{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;outline:none;transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus,.field select:focus{
  border-color:var(--ink);box-shadow:0 0 0 3px rgba(20,101,90,.14);
}
.form-privacy{font-size:13px;color:var(--muted);margin-top:14px;}
.form-privacy a{color:var(--ink-2);border-bottom:1px solid var(--line);}
.form-privacy a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}

/* ---------- 隐私条 ---------- */
.privacy-bar{
  background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:22px 0;
}
.privacy-bar__inner{display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:14px;color:var(--muted);}
.privacy-bar__inner i{color:var(--ink-2);}
.privacy-bar__inner a{color:var(--ink);font-weight:500;}

/* ---------- FAQ ---------- */
.accordion{border:0;background:transparent;}
.accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-card);background:#fff;
  margin-bottom:12px;overflow:hidden;transition:box-shadow var(--ease);
}
.accordion .accordion-item.is-active{box-shadow:var(--sh);}
.accordion .accordion-title{
  border:0;border-left:3px solid transparent;
  padding:20px 24px;font-size:17px;font-weight:500;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;background:#fff;
}
.accordion .accordion-title:hover{background:var(--alt);color:var(--ink);}
.accordion .accordion-item.is-active .accordion-title{border-left-color:var(--accent);color:var(--ink);font-weight:700;}
.accordion .accordion-title::before{display:none;}
.accordion .accordion-title::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--muted);
  transition:transform var(--ease);
}
.accordion .accordion-item.is-active .accordion-title::after{transform:rotate(180deg);color:var(--accent);}
.accordion .accordion-content{
  border:0;border-top:1px solid var(--line);padding:20px 24px;background:#F4F8F7;
  color:var(--muted);font-size:15px;
}
.accordion .accordion-content p{margin-bottom:10px;}

/* ---------- Reveal 弹层 ---------- */
.reveal{
  border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;
  max-width:600px;background:#fff;
}
.reveal h3{margin-bottom:8px;font-size:22px;}
.reveal > p{color:var(--muted);font-size:14.5px;}
.reveal .close-button{
  color:var(--muted);font-size:26px;line-height:1;top:16px;right:18px;padding:4px 8px;border-radius:6px;
}
.reveal .close-button:hover{background:var(--alt);color:var(--ink);}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--ink);border-radius:var(--r-lg);padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.74);margin:0;max-width:620px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-3);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.15fr;gap:40px;padding-bottom:44px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);}
.site-footer a{color:rgba(255,255,255,.72);font-size:14px;}
.site-footer a:hover{color:var(--amber);}
.footer-links li{margin-bottom:10px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand__mark{
  width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:17px;
}
.footer-brand strong{color:#fff;font-size:17px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.72);}
.footer-contact i{color:var(--amber);margin-top:6px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.58);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1200px){
  .hero__inner{gap:40px;padding:64px 0 72px;}
  .hero h1{font-size:38px;}
}
@media screen and (max-width:1024px){
  :root{--sec-pad:66px;}
  .hero__inner{grid-template-columns:1fr;padding:56px 0 64px;}
  .hero__figure{order:-1;}
  .hero__card{left:auto;right:16px;bottom:-18px;}
  .qa-layout{grid-template-columns:1fr;gap:26px;}
  .form-card{grid-template-columns:1fr;gap:28px;padding:28px;}
  .stats-band{grid-template-columns:repeat(2,1fr);padding:36px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-search{min-width:180px;}
}
@media screen and (max-width:768px){
  .channel-nav,.nav-search--desktop{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-logo__text strong{font-size:17px;white-space:normal;}
  h1{font-size:30px;}
  .hero h1{font-size:30px;}
  h2{font-size:24px;}
  .brand-bar__tools .nav-search{display:none;}
  .cta-band{padding:34px 26px;}
  .cta-band h2{font-size:23px;}
}
@media screen and (max-width:520px){
  :root{--sec-pad:48px;}
  .container{padding:0 16px;}
  h1{font-size:28px;}
  .hero h1{font-size:28px;}
  h2{font-size:22px;}
  .hero__inner{padding:40px 0 52px;}
  .hero__card{position:static;margin-top:16px;min-width:0;right:auto;bottom:auto;}
  .stats-band{grid-template-columns:1fr;gap:20px;padding:30px 22px;}
  .stat-item b{font-size:30px;}
  .footer-grid{grid-template-columns:1fr;}
  .field-row{grid-template-columns:1fr;}
  .btn{width:100%;}
  .btn-row{flex-direction:column;align-items:stretch;}
  .reveal{width:100%;height:100%;max-width:100%;margin:0;border-radius:0;top:0;left:0;overflow-y:auto;}
}
@media screen and (min-width:1440px){
  .container{max-width:1200px;}
}

/* roulang page: article */
:root{
  --ink:#0E4B43;
  --ink-2:#14655A;
  --ink-3:#0A3B35;
  --accent:#C8461F;
  --accent-2:#E0693A;
  --amber:#E9A23B;
  --bg:#F7F5F0;
  --bg-alt:#EFECE4;
  --bg-soft:#EAF1EF;
  --card:#FFFFFF;
  --line:#E4E0D6;
  --text:#23211D;
  --muted:#6B675F;
  --r-card:12px;
  --r-lg:16px;
  --r-sm:8px;
  --shadow-sm:0 1px 2px rgba(18,20,18,.04), 0 8px 24px rgba(18,20,18,.06);
  --shadow-md:0 12px 32px rgba(18,20,18,.10);
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--ink);text-decoration:none;transition:color var(--ease),background-color var(--ease)}
a:hover{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--ink-2);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea{font-family:inherit;font-size:16px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1240px}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background var(--ease),box-shadow var(--ease);
}
.brand-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 0}
.brand-logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-logo__mark{
  flex:0 0 auto;width:42px;height:42px;border-radius:10px;
  background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;
}
.brand-logo__text strong{display:block;color:#fff;font-size:19px;font-weight:700;letter-spacing:.5px;line-height:1.2}
.brand-logo__text em{display:block;font-style:normal;font-size:12px;color:rgba(255,255,255,.72);letter-spacing:.4px;margin-top:3px}
.brand-bar__tools{display:flex;align-items:center;gap:12px}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search i{position:absolute;left:14px;color:rgba(255,255,255,.6);font-size:14px}
.nav-search input[type=search]{
  width:230px;height:40px;padding:0 14px 0 36px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.10);
  color:#fff;font-size:14px;
  transition:border-color var(--ease),background var(--ease);
}
.nav-search input[type=search]::placeholder{color:rgba(255,255,255,.6)}
.nav-search input[type=search]:focus{border-color:var(--amber);background:rgba(255,255,255,.16);outline:none}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  height:40px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:14px;
  transition:background var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.12)}
.channel-nav{background:rgba(0,0,0,.14);border-top:1px solid rgba(255,255,255,.06)}
.channel-nav__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:50px}
.channel-list{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.channel-list a{
  position:relative;display:inline-block;padding:12px 14px;
  color:rgba(255,255,255,.85);font-size:15px;border-radius:6px;
}
.channel-list a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:3px;
  background:transparent;border-radius:2px;transition:background var(--ease);
}
.channel-list a:hover{color:#fff;background:rgba(255,255,255,.08)}
.channel-list a:hover::after{background:rgba(233,162,59,.7)}
.channel-list a.is-active{color:#fff;font-weight:700}
.channel-list a.is-active::after{background:var(--accent-2)}
.hot-words{display:flex;align-items:center;gap:16px;font-size:13px;color:rgba(255,255,255,.66)}
.hot-words__label{color:var(--amber);letter-spacing:1px;font-weight:700}
.hot-words a{color:rgba(255,255,255,.78);display:inline-flex;align-items:center;gap:6px}
.hot-words a:hover{color:var(--amber)}
.hot-words .dot{width:6px;height:6px;border-radius:50%;background:var(--amber);display:inline-block}
.site-header.is-stuck{background:#fff;box-shadow:0 8px 28px rgba(18,20,18,.10);border-bottom-color:var(--line)}
.site-header.is-stuck .brand-logo__text strong{color:var(--ink)}
.site-header.is-stuck .brand-logo__text em{color:var(--muted)}
.site-header.is-stuck .brand-bar__inner{padding:8px 0}
.site-header.is-stuck .brand-logo__mark{width:36px;height:36px;font-size:17px;border-radius:9px}
.site-header.is-stuck .channel-nav{background:#fff;border-top:1px solid var(--line)}
.site-header.is-stuck .channel-list a{color:var(--text)}
.site-header.is-stuck .channel-list a:hover{color:var(--accent);background:var(--bg-alt)}
.site-header.is-stuck .channel-list a.is-active{color:var(--ink)}
.site-header.is-stuck .nav-search input[type=search]{background:var(--bg-alt);border-color:var(--line);color:var(--text)}
.site-header.is-stuck .nav-search input[type=search]::placeholder{color:var(--muted)}
.site-header.is-stuck .nav-search i{color:var(--muted)}
.site-header.is-stuck .nav-toggle{color:var(--ink);border-color:var(--line)}
.site-header.is-stuck .hot-words{color:var(--muted)}
.site-header.is-stuck .hot-words a{color:var(--muted)}
.site-header.is-stuck .hot-words a:hover{color:var(--accent)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;line-height:1;
  transition:transform var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(200,70,31,.22)}
.btn-primary:hover{background:#A93714;color:#fff;transform:translateY(-1px)}
.btn-primary:active{background:#8F2E10;transform:translateY(0)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-outline{border:1.5px solid var(--ink-2);color:var(--ink)}
.btn-outline:hover{background:var(--bg-soft);color:var(--ink)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ============ 面包屑 ============ */
.crumb-bar{padding:22px 0 0}
.breadcrumb{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:#C8C2B6}
.breadcrumb .current{color:var(--ink);font-weight:500}

/* ============ 文章 ============ */
.post-wrap{padding:26px 0 80px}
.post-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
.post-main{min-width:0}
.post-head{padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:34px}
.post-badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 14px;border-radius:999px;
  background:var(--bg-soft);color:var(--ink-2);
  font-size:13px;font-weight:500;letter-spacing:.3px;
}
.post-head h1{
  font-size:40px;line-height:1.28;margin:18px 0 20px;
  letter-spacing:.2px;word-break:break-word;
}
.post-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--muted)}
.post-meta span{display:inline-flex;align-items:center;gap:7px}
.post-meta i{color:var(--ink-2);font-size:13px}
.article-main .post-head h1{font-size:36px}

.post-content{font-size:17px;line-height:1.9;color:var(--text);max-width:760px;word-break:break-word}
.post-content h2{
  font-size:26px;line-height:1.4;margin:44px 0 18px;
  padding-left:14px;border-left:4px solid var(--accent);
}
.post-content h3{font-size:20px;margin:32px 0 12px}
.post-content h4{font-size:17px;margin:24px 0 10px}
.post-content p{margin:0 0 20px}
.post-content ul,.post-content ol{margin:0 0 22px;padding-left:24px}
.post-content ul li{list-style:disc;margin-bottom:10px}
.post-content ol li{list-style:decimal;margin-bottom:10px}
.post-content blockquote{
  margin:0 0 24px;padding:18px 22px;
  background:var(--bg-soft);border-left:4px solid var(--ink-2);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--muted);
}
.post-content blockquote p:last-child{margin-bottom:0}
.post-content img{border-radius:var(--r-card);margin:0 auto 12px;background:var(--bg-alt)}
.post-content figure{margin:0 0 26px}
.post-content figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:6px}
.post-content table{width:100%;border-collapse:collapse;margin:0 0 24px;font-size:15px}
.post-content th,.post-content td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.post-content th{background:var(--bg-alt);color:var(--ink);font-weight:500}
.post-content code{background:var(--bg-alt);padding:2px 6px;border-radius:4px;font-size:15px}
.post-content pre{background:var(--ink-3);color:#E7EFED;padding:18px 20px;border-radius:var(--r-card);overflow-x:auto;margin:0 0 24px;font-size:14px}
.post-content pre code{background:none;color:inherit;padding:0}
.post-content a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.post-content a:hover{color:#A93714}

.post-empty{
  background:var(--bg-soft);border:1px dashed #CFDDD8;border-radius:var(--r-card);
  padding:56px 28px;text-align:center;max-width:760px;
}
.post-empty i{font-size:30px;color:var(--ink-2);display:block;margin-bottom:14px}
.post-empty h2{font-size:20px;margin-bottom:10px}
.post-empty p{color:var(--muted);font-size:15px;margin-bottom:20px}

.post-side{position:sticky;top:104px;display:flex;flex-direction:column;gap:22px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-sm);
}
.side-card h3{font-size:16px;display:flex;align-items:center;gap:8px;margin-bottom:14px}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--accent)}
.side-list li{padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--muted);line-height:1.7}
.side-list li:last-child{border-bottom:none;padding-bottom:0}
.side-list a{color:var(--text);font-size:14px}
.side-list a:hover{color:var(--accent)}
.side-card--tint{background:var(--bg-soft);border-color:#D6E3DF}
.side-card--tint p{font-size:14px;color:var(--muted);margin-bottom:16px;line-height:1.8}

/* ============ 相关推荐 ============ */
.related-section{padding:0 0 80px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:28px}
.section-head .section-desc{font-size:14px;color:var(--muted);margin-top:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#D8D3C6}
.card__thumb{position:relative;aspect-ratio:16/9;background:var(--bg-alt);overflow:hidden}
.card__thumb img{width:100%;height:100%;object-fit:cover}
.card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__body h3{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__body h3 a{color:var(--ink)}
.card__body h3 a:hover{color:var(--accent)}
.card__body p{font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.card__meta .more{color:var(--accent);font-weight:500;display:inline-flex;align-items:center;gap:5px}
.related-footer{margin-top:28px;display:flex;justify-content:center}

/* ============ CTA 带 ============ */
.cta-band{background:var(--ink);color:#fff;padding:56px 0}
.cta-band .container{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;max-width:640px}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.14)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand__mark{width:36px;height:36px;border-radius:9px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.footer-brand strong{color:#fff;font-size:17px}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7)}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.76);font-size:14px}
.footer-links a:hover{color:var(--amber)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.76)}
.footer-contact i{color:var(--amber);margin-top:4px}
.footer-bottom{text-align:center;padding:22px 0;font-size:13px;color:rgba(255,255,255,.6)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .post-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .post-side{display:none}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .nav-search--desktop{display:none}
  .nav-toggle{display:inline-flex}
  .channel-nav{display:none}
  .site-header.nav-open .channel-nav{
    display:block;background:var(--ink-3);border-top:1px solid rgba(255,255,255,.1);
  }
  .site-header.nav-open .channel-nav__inner{flex-direction:column;align-items:stretch;padding:12px 24px 20px;gap:16px}
  .channel-list{flex-direction:column;align-items:stretch;gap:2px}
  .channel-list a{padding:12px 6px;border-bottom:1px solid rgba(255,255,255,.08)}
  .channel-list a::after{display:none}
  .channel-list a.is-active{color:var(--amber)}
  .hot-words{flex-wrap:wrap;gap:12px}
  .site-header.is-stuck .channel-nav{background:#fff}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .post-head h1{font-size:28px;margin:14px 0 16px}
  .post-wrap{padding:18px 0 56px}
  .post-content{font-size:16px}
  .post-content h2{font-size:22px;margin:34px 0 14px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .related-section{padding-bottom:56px}
  .section-head h2{font-size:22px}
  .cta-band{padding:44px 0}
  .cta-band h2{font-size:22px}
  .cta-band .container{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:32px}
  .brand-logo__text strong{font-size:17px}
  .brand-logo__text em{display:none}
}
@media (max-width:420px){
  .post-head h1{font-size:24px}
  .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E4B43;
  --c-primary-hover:#0A3A34;
  --c-primary-active:#072B26;
  --c-accent:#C8461F;
  --c-accent-hover:#AB3717;
  --c-accent-soft:#E0693A;
  --c-gold:#E9A23B;
  --c-bg:#F7F5F0;
  --c-bg-alt:#EFECE4;
  --c-card:#FFFFFF;
  --c-line:#E4E0D6;
  --c-text:#23211D;
  --c-text-weak:#6B675F;
  --c-tint:#E8F0EE;
  --c-tint-2:#F1F6F5;
  --radius-card:12px;
  --radius-lg:16px;
  --radius-btn:8px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(18,20,18,.04),0 8px 24px rgba(18,20,18,.06);
  --shadow-2:0 12px 32px rgba(18,20,18,.10);
  --ease:180ms ease;
  --section-pad:88px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Inter,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
a:hover{color:var(--c-accent);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--c-primary);font-weight:700;line-height:1.3;}
h1{font-size:42px;line-height:1.25;}
h2{font-size:29px;}
h3{font-size:20px;}
h4{font-size:17px;font-weight:500;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
button,input,textarea,select{font-family:inherit;font-size:16px;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--section-pad) 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--c-bg-alt);}
.section-head{max-width:760px;margin-bottom:24px;}
.section-head h2{margin-bottom:12px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--c-accent);
  font-weight:500;margin-bottom:10px;
}
.section-head .eyebrow::before{content:"";width:18px;height:2px;background:var(--c-accent);border-radius:2px;}
.section-head p{color:var(--c-text-weak);font-size:16px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);
  font-size:16px;font-weight:500;line-height:1.4;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform var(--ease),background-color var(--ease),border-color var(--ease),color var(--ease),box-shadow var(--ease);
}
.btn--primary{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.btn--primary:hover{background:var(--c-accent-hover);border-color:var(--c-accent-hover);color:#fff;transform:translateY(-1px);}
.btn--primary:active{background:#952F13;border-color:#952F13;transform:translateY(0);}
.btn--outline{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn--outline:hover{background:var(--c-tint);color:var(--c-primary-hover);border-color:var(--c-primary-hover);transform:translateY(-1px);}
.btn--outline:active{background:#DCE8E5;}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn--sm{padding:9px 18px;font-size:14px;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:500;line-height:1.6;
  background:var(--c-primary);color:#fff;
}
.badge--soft{background:var(--c-tint);color:var(--c-primary);}
.badge--gold{background:rgba(233,162,59,.16);color:#8A5A10;}
.badge--line{background:#fff;border:1px solid var(--c-line);color:var(--c-text-weak);}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:500;color:var(--c-accent);
}
.text-link i{transition:transform var(--ease);font-size:12px;}
.text-link:hover{color:var(--c-accent-hover);}
.text-link:hover i{transform:translateX(3px);}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow var(--ease);}
.site-header.is-stuck{box-shadow:0 4px 18px rgba(18,20,18,.08);}
.brand-bar{background:#fff;}
.brand-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:14px;padding-bottom:14px;transition:padding var(--ease);}
.site-header.is-stuck .brand-bar__inner{padding-top:8px;padding-bottom:8px;}
.brand-logo{display:flex;align-items:center;gap:12px;color:var(--c-primary);}
.brand-logo:hover{color:var(--c-primary);}
.brand-logo__mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:10px;
  background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;letter-spacing:0;
  transition:height var(--ease),width var(--ease),flex-basis var(--ease);
}
.site-header.is-stuck .brand-logo__mark{width:36px;height:36px;flex-basis:36px;font-size:18px;}
.brand-logo__text{display:flex;flex-direction:column;line-height:1.25;}
.brand-logo__text strong{font-size:19px;font-weight:700;color:var(--c-primary);white-space:nowrap;}
.brand-logo__text em{font-style:normal;font-size:12px;color:var(--c-text-weak);letter-spacing:.04em;}
.brand-bar__tools{display:flex;align-items:center;gap:12px;}
.nav-search{display:flex;align-items:center;gap:8px;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--radius-pill);padding:8px 16px;transition:border-color var(--ease),background-color var(--ease);}
.nav-search:focus-within{border-color:var(--c-primary);background:#fff;}
.nav-search i{color:var(--c-text-weak);font-size:14px;}
.nav-search input{border:none;background:transparent;outline:none;width:200px;color:var(--c-text);font-size:15px;}
.nav-search input::placeholder{color:#9A958B;}
.nav-toggle{
  display:none;align-items:center;gap:7px;
  background:var(--c-primary);color:#fff;border:none;
  padding:10px 16px;border-radius:var(--radius-btn);font-size:15px;font-weight:500;
}
.nav-toggle:hover{background:var(--c-primary-hover);}

.channel-nav{background:var(--c-primary);}
.channel-nav__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:52px;}
.channel-list{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.channel-list > li > a{
  display:inline-block;position:relative;
  padding:15px 18px;color:rgba(255,255,255,.86);font-size:15px;font-weight:500;
}
.channel-list > li > a:hover{color:#fff;background:rgba(255,255,255,.08);}
.channel-list > li > a.is-active{color:#fff;}
.channel-list > li > a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;
  background:var(--c-accent-soft);border-radius:3px 3px 0 0;
}
.hot-words{display:flex;align-items:center;gap:14px;font-size:13px;}
.hot-words__label{color:rgba(255,255,255,.55);}
.hot-words a{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.86);}
.hot-words a:hover{color:var(--c-gold);}
.hot-words .dot{width:6px;height:6px;border-radius:50%;background:var(--c-gold);display:inline-block;}

/* ============ 抽屉 ============ */
.nav-drawer{
  position:fixed;inset:0 0 0 auto;width:min(340px,86vw);z-index:90;
  background:#fff;box-shadow:-8px 0 32px rgba(18,20,18,.16);
  transform:translateX(102%);transition:transform 220ms ease;
  padding:24px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.nav-drawer__head strong{font-size:16px;color:var(--c-primary);}
.nav-drawer__close{background:var(--c-bg);border:1px solid var(--c-line);border-radius:8px;width:36px;height:36px;color:var(--c-text);}
.nav-drawer__close:hover{background:var(--c-tint);}
.nav-drawer .nav-search{width:100%;margin-bottom:20px;}
.nav-drawer .nav-search input{width:100%;}
.drawer-links li a{display:block;padding:13px 4px;border-bottom:1px solid var(--c-line);color:var(--c-text);font-size:15px;}
.drawer-links li a:hover{color:var(--c-accent);}
.drawer-links li a.is-active{color:var(--c-accent);font-weight:700;}
.drawer-hot{margin-top:22px;}
.drawer-hot span{font-size:13px;color:var(--c-text-weak);display:block;margin-bottom:12px;}
.drawer-hot a{display:inline-flex;align-items:center;gap:6px;font-size:14px;padding:6px 12px;border:1px solid var(--c-line);border-radius:var(--radius-pill);margin:0 8px 8px 0;color:var(--c-text-weak);}
.drawer-hot a:hover{border-color:var(--c-primary);color:var(--c-primary);}
.drawer-mask{position:fixed;inset:0;background:rgba(18,20,18,.42);z-index:80;opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ 面包屑 ============ */
.breadcrumb{padding:16px 0 0;font-size:13px;color:var(--c-text-weak);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb a{color:var(--c-text-weak);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb .sep{color:#BDB8AC;}
.breadcrumb .current{color:var(--c-text);}

/* ============ 页头横幅 ============ */
.page-hero{position:relative;background:var(--c-bg-alt);overflow:hidden;margin-top:16px;border-top:4px solid var(--c-accent);}
.page-hero__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.16;}
.page-hero__inner{position:relative;padding:64px 24px 68px;}
.page-hero__grid{display:flex;align-items:center;gap:56px;}
.page-hero__text{flex:1 1 58%;max-width:640px;}
.page-hero h1{margin:16px 0 18px;}
.page-hero__lead{font-size:17px;color:var(--c-text-weak);max-width:600px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 28px;}
.tag-row .badge{background:rgba(255,255,255,.9);border:1px solid var(--c-line);color:var(--c-primary);}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:14px;}
.page-hero__aside{flex:0 0 300px;}
.hero-note{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-1);
}
.hero-note h4{margin-bottom:12px;color:var(--c-primary);}
.hero-note ul li{display:flex;gap:10px;font-size:14px;color:var(--c-text-weak);padding:9px 0;border-bottom:1px dashed var(--c-line);line-height:1.7;}
.hero-note ul li:last-child{border-bottom:none;padding-bottom:0;}
.hero-note ul li i{color:var(--c-accent);margin-top:6px;font-size:12px;}

/* ============ 非对称两栏清单 ============ */
.split{display:flex;gap:48px;align-items:flex-start;}
.split__side{flex:0 0 268px;position:sticky;top:120px;}
.split__side h2{font-size:26px;margin-bottom:12px;}
.split__side p{font-size:14px;color:var(--c-text-weak);}
.split__main{flex:1 1 auto;min-width:0;}
.check-list li{
  display:flex;gap:20px;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--radius-card);padding:22px 24px;margin-bottom:16px;
  box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.check-list li:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#DAD4C6;}
.check-list .num{
  flex:0 0 40px;width:40px;height:40px;border-radius:10px;
  background:var(--c-tint);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
}
.check-list h3{font-size:17px;margin-bottom:6px;}
.check-list p{font-size:14px;color:var(--c-text-weak);}

/* ============ 双列大图卡 ============ */
.card-grid{display:flex;flex-wrap:wrap;gap:24px;}
.card-grid > *{flex:1 1 calc(50% - 12px);min-width:280px;}
.media-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);height:100%;
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.media-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#DAD4C6;}
.media-card__media{position:relative;background:#EFECE4;aspect-ratio:16/9;overflow:hidden;}
.media-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 260ms ease;}
.media-card:hover .media-card__media img{transform:scale(1.03);}
.media-card__media .badge{position:absolute;left:16px;top:16px;}
.media-card__body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.media-card__body h3{font-size:19px;line-height:1.45;}
.media-card__body p{font-size:14px;color:var(--c-text-weak);}
.media-card__body .text-link{margin-top:auto;}

/* ============ 步骤流程 ============ */
.step-flow{display:flex;flex-wrap:wrap;gap:20px;counter-reset:step;}
.step-flow > li{
  flex:1 1 calc(25% - 15px);min-width:230px;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:24px;position:relative;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.step-flow > li:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.step-flow .step-no{
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:var(--c-accent);
  letter-spacing:.08em;margin-bottom:12px;
}
.step-flow h3{font-size:17px;margin-bottom:8px;}
.step-flow p{font-size:14px;color:var(--c-text-weak);}
.step-flow .step-tip{
  display:block;margin-top:12px;padding-top:12px;border-top:1px dashed var(--c-line);
  font-size:13px;color:var(--c-primary);
}

/* ============ 浅底数据带 ============ */
.metric-band{background:var(--c-bg-alt);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.metric-grid{display:flex;flex-wrap:wrap;gap:24px;}
.metric-grid > div{flex:1 1 calc(25% - 18px);min-width:180px;}
.metric-value{font-size:34px;font-weight:700;color:var(--c-accent);line-height:1.2;}
.metric-value span{font-size:15px;font-weight:500;color:var(--c-text-weak);margin-left:4px;}
.metric-label{font-size:14px;color:var(--c-text-weak);margin-top:6px;}

/* ============ 勾选清单 ============ */
.tick-list{display:flex;flex-wrap:wrap;gap:16px;}
.tick-list > li{
  flex:1 1 calc(50% - 8px);min-width:260px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:20px 22px;display:flex;gap:14px;transition:border-color var(--ease),box-shadow var(--ease);
}
.tick-list > li:hover{border-color:#DAD4C6;box-shadow:var(--shadow-1);}
.tick-list i{color:var(--c-accent);margin-top:5px;font-size:15px;}
.tick-list h4{font-size:16px;margin-bottom:4px;}
.tick-list p{font-size:14px;color:var(--c-text-weak);}

/* ============ 分页视觉位 ============ */
.pager{display:flex;align-items:center;justify-content:center;gap:10px;padding:40px 0 8px;}
.pager a,.pager span{
  min-width:42px;height:42px;padding:0 14px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:var(--radius-btn);
  background:#fff;color:var(--c-text-weak);font-size:14px;
  transition:border-color var(--ease),color var(--ease),background-color var(--ease);
}
.pager a:hover{border-color:var(--c-primary);color:var(--c-primary);}
.pager .is-current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:700;}

/* ============ CTA 带 ============ */
.cta-band{background:var(--c-primary);color:#fff;}
.cta-band__inner{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:64px 24px;}
.cta-band h2{color:#fff;margin-bottom:12px;font-size:28px;}
.cta-band p{color:rgba(255,255,255,.78);font-size:16px;max-width:640px;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}

/* ============ FAQ ============ */
.accordion{border:none;background:transparent;margin:0;}
.accordion-item{
  border:1px solid var(--c-line);border-radius:var(--radius-card);
  background:#fff;margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-1);
}
.accordion-title{
  border:none;background:#fff;padding:20px 24px 20px 34px;position:relative;
  font-size:17px;font-weight:500;color:var(--c-text);line-height:1.6;
  transition:background-color var(--ease),color var(--ease);
}
.accordion-title::before{content:"";position:absolute;left:16px;top:50%;transform:translateY(-50%);width:3px;height:18px;background:var(--c-accent);border-radius:2px;}
.accordion-title::after{color:var(--c-text-weak);font-size:14px;}
.accordion-title:hover{background:#FAF9F6;color:var(--c-primary);}
.accordion-item.is-active .accordion-title{background:var(--c-tint);color:var(--c-primary);}
.accordion-content{border:none;background:#fff;padding:0 24px 22px 34px;color:var(--c-text-weak);font-size:15px;line-height:1.85;}

/* ============ 联系表单 ============ */
.form-card{
  background:var(--c-tint-2);border:1px solid var(--c-line);
  border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-1);
}
.form-card h3{margin-bottom:8px;}
.form-card > p{font-size:14px;color:var(--c-text-weak);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:500;color:var(--c-text);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--c-line);
  border-radius:var(--radius-btn);background:#fff;color:var(--c-text);
  font-size:16px;line-height:1.6;transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{min-height:112px;resize:vertical;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(14,75,67,.12);
}
.form-privacy{font-size:13px;color:var(--c-text-weak);margin-top:14px;}
.form-privacy a{color:var(--c-primary);text-decoration:underline;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary);color:rgba(255,255,255,.82);padding:72px 0 0;margin-top:0;}
.footer-grid{display:flex;flex-wrap:wrap;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.16);}
.footer-grid > div{flex:1 1 calc(25% - 30px);min-width:220px;}
.footer-grid > div:first-child{flex:1 1 calc(34% - 30px);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand__mark{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;}
.footer-brand strong{color:#fff;font-size:18px;font-weight:700;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;font-weight:500;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.78);font-size:14px;}
.footer-links a:hover{color:var(--c-gold);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.78);margin-bottom:12px;line-height:1.7;}
.footer-contact i{color:var(--c-gold);margin-top:6px;font-size:13px;}
.footer-bottom{text-align:center;font-size:13px;color:rgba(255,255,255,.6);padding:24px 0 32px;}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  h1{font-size:38px;}
}
@media (max-width:1024px){
  :root{--section-pad:64px;}
  h1{font-size:34px;}
  h2{font-size:26px;}
  .nav-search--desktop{display:none;}
  .nav-toggle{display:inline-flex;}
  .hot-words{display:none;}
  .page-hero__grid{flex-direction:column;align-items:flex-start;gap:32px;}
  .page-hero__text{max-width:100%;}
  .page-hero__aside{flex:0 0 auto;width:100%;}
  .split{flex-direction:column;gap:28px;}
  .split__side{position:static;flex:0 0 auto;max-width:100%;}
  .cta-band__inner{flex-direction:column;align-items:flex-start;gap:24px;}
}
@media (max-width:768px){
  :root{--section-pad:52px;}
  h1{font-size:30px;}
  .container{padding:0 18px;}
  .card-grid > *{flex:1 1 100%;}
  .step-flow > li{flex:1 1 100%;}
  .metric-grid > div{flex:1 1 calc(50% - 12px);}
  .tick-list > li{flex:1 1 100%;}
  .page-hero__inner{padding:44px 18px 48px;}
  .brand-logo__text em{display:none;}
  .channel-nav__inner{min-height:48px;overflow-x:auto;}
  .channel-list > li > a{padding:13px 14px;font-size:14px;}
}
@media (max-width:520px){
  h1{font-size:28px;}
  h2{font-size:23px;}
  .brand-logo__text strong{font-size:16px;}
  .brand-logo__mark{width:36px;height:36px;flex-basis:36px;font-size:17px;}
  .metric-grid > div{flex:1 1 100%;}
  .btn{width:100%;}
  .page-hero__actions{flex-direction:column;align-items:stretch;}
  .cta-band__actions{flex-direction:column;align-items:stretch;width:100%;}
  .accordion-title{font-size:16px;padding:18px 18px 18px 32px;}
  .accordion-content{padding:0 18px 20px 32px;}
  .form-card{padding:24px 20px;}
}
@media (min-width:1441px){
  .container{max-width:1200px;}
}

/* roulang page: category2 */
:root{
  --ink-900:#0E4B43;
  --ink-800:#14655A;
  --ink-700:#187A6C;
  --ink-050:#E6F0ED;
  --accent:#C8461F;
  --accent-hi:#E0693A;
  --amber:#E9A23B;
  --paper:#F7F5F0;
  --paper-alt:#EFECE4;
  --white:#FFFFFF;
  --line:#E4E0D6;
  --text:#23211D;
  --text-2:#6B675F;
  --radius-card:12px;
  --radius-lg:16px;
  --radius-btn:8px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(18,20,18,.04), 0 8px 24px rgba(18,20,18,.06);
  --shadow-2:0 12px 32px rgba(18,20,18,.10);
  --ease:180ms ease;
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:Inter,system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink-800);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
a:hover,a:focus{color:var(--accent);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--ink-800);outline-offset:2px;border-radius:4px;
}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:.2px;}
h1{font-size:42px;line-height:1.25;font-weight:700;}
h2{font-size:29px;line-height:1.35;}
h3{font-size:20px;line-height:1.5;}
h4{font-size:17px;line-height:1.5;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:16px;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:16px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding:80px 0;}
.section--tight{padding:56px 0;}
.section--alt{background:var(--paper-alt);}
.section-head{max-width:740px;margin-bottom:24px;}
.section-head p{color:var(--text-2);font-size:15.5px;margin-top:12px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-800);font-weight:700;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:4px;background:var(--accent);display:inline-block;border-radius:2px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);border:0;
  font-size:15.5px;font-weight:500;line-height:1;letter-spacing:.2px;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(200,70,31,.22);}
.btn-primary:hover,.btn-primary:focus{background:var(--accent-hi);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);background:#B03C18;}
.btn-outline{background:transparent;color:var(--ink-900);border:1.5px solid var(--ink-800);}
.btn-outline:hover,.btn-outline:focus{background:var(--ink-050);color:var(--ink-900);transform:translateY(-1px);}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border:1.5px solid rgba(255,255,255,.55);}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(255,255,255,.20);color:#fff;transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:14.5px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:500;color:var(--ink-800);}
.link-more i{font-size:12px;transition:transform var(--ease);}
.link-more:hover i{transform:translateX(3px);}

/* ---------- 页头导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--white);}
.brand-bar{background:var(--ink-900);color:#fff;transition:padding var(--ease);}
.brand-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:14px;padding-bottom:14px;transition:padding var(--ease);}
.brand-logo{display:flex;align-items:center;gap:12px;color:#fff;}
.brand-logo:hover,.brand-logo:focus{color:#fff;}
.brand-logo__mark{
  width:40px;height:40px;border-radius:10px;flex:0 0 40px;
  background:var(--accent);color:#fff;font-weight:700;font-size:19px;
  display:flex;align-items:center;justify-content:center;
}
.brand-logo__text{display:flex;flex-direction:column;line-height:1.25;white-space:nowrap;}
.brand-logo__text strong{font-size:18px;font-weight:700;letter-spacing:.4px;}
.brand-logo__text em{font-style:normal;font-size:12.5px;color:rgba(255,255,255,.72);letter-spacing:.6px;}
.brand-bar__tools{display:flex;align-items:center;gap:14px;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search i{position:absolute;left:12px;color:var(--text-2);font-size:13.5px;pointer-events:none;}
.nav-search input{
  width:250px;padding:10px 12px 10px 34px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.10);color:#fff;
}
.nav-search input::placeholder{color:rgba(255,255,255,.62);}
.nav-search input:focus{outline:none;border-color:var(--amber);background:rgba(255,255,255,.16);box-shadow:0 0 0 2px rgba(233,162,59,.35);}
.nav-toggle{
  display:none;align-items:center;gap:7px;padding:9px 14px;border-radius:var(--radius-btn);
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.24);color:#fff;font-size:14.5px;
}
.nav-toggle:hover{background:rgba(255,255,255,.20);}
.channel-nav{background:var(--white);border-bottom:1px solid var(--line);}
.channel-nav__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.channel-list{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.channel-list li{position:relative;}
.channel-list a{
  display:block;padding:16px 16px 15px;font-size:15.5px;font-weight:500;color:var(--text);
  border-bottom:3px solid transparent;
}
.channel-list a:hover,.channel-list a:focus{color:var(--ink-800);background:var(--ink-050);}
.channel-list a.is-active{color:var(--ink-900);border-bottom-color:var(--accent);font-weight:700;}
.hot-words{display:flex;align-items:center;gap:14px;padding:10px 0;font-size:13.5px;color:var(--text-2);}
.hot-words__label{font-family:var(--font-num);letter-spacing:.1em;color:var(--text-2);font-weight:500;}
.hot-words a{display:inline-flex;align-items:center;gap:6px;color:var(--ink-800);}
.hot-words a .dot{width:6px;height:6px;border-radius:50%;background:var(--amber);display:inline-block;}
.hot-words a:hover{color:var(--accent);}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(18,20,18,.10);}
.site-header.is-stuck .brand-bar__inner{padding-top:8px;padding-bottom:8px;}
.site-header.is-stuck .brand-logo__mark{width:34px;height:34px;flex-basis:34px;font-size:17px;}
.site-header.is-stuck .brand-logo__text strong{font-size:16.5px;}
.site-header.is-stuck .brand-logo__text em{display:none;}
.site-header.is-stuck .channel-list a{padding-top:11px;padding-bottom:10px;font-size:15px;}

/* ---------- 分类页头横幅 ---------- */
.page-banner{
  position:relative;color:#fff;
  background-image:linear-gradient(rgba(14,75,67,.88),rgba(14,75,67,.80)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  min-height:250px;aspect-ratio:21/9;
  display:flex;align-items:center;
}
.page-banner__inner{padding-top:40px;padding-bottom:40px;max-width:840px;}
.page-banner h1{color:#fff;font-size:40px;}
.page-banner p{color:rgba(255,255,255,.86);font-size:16px;margin-top:16px;max-width:720px;}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:500;letter-spacing:.2px;
}
.tag--on-dark{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.26);}
.tag--ink{background:var(--ink-050);color:var(--ink-800);border:1px solid #CFE2DD;}
.tag--warm{background:#FBEDE7;color:var(--accent);border:1px solid #F3D6CA;}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{background:var(--white);border-bottom:1px solid var(--line);}
.breadcrumb{font-size:13px;color:var(--text-2);padding:13px 0;display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:#C4BFB4;}
.breadcrumb .current{color:var(--ink-900);font-weight:500;}

/* ---------- 分组标签概览 ---------- */
.group-overview{display:grid;grid-template-columns:280px 1fr;gap:48px;align-items:start;}
.group-overview__aside h2{font-size:26px;}
.group-overview__aside p{color:var(--text-2);font-size:15px;margin-top:12px;}
.group-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.group-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.group-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6D0C2;}
.group-card h4{display:flex;align-items:center;gap:10px;font-size:16.5px;}
.group-card h4 i{color:var(--amber);font-size:14px;}
.group-card p{color:var(--text-2);font-size:14px;line-height:1.75;margin-top:8px;}
.group-card .count{font-family:var(--font-num);font-size:13px;color:var(--ink-800);font-weight:700;}

/* ---------- 紧凑行式列表 ---------- */
.rowlist{display:flex;flex-direction:column;gap:16px;}
.row-item{
  display:grid;grid-template-columns:160px 1fr;gap:22px;align-items:flex-start;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.row-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6D0C2;}
.row-item__thumb{
  width:160px;height:100px;border-radius:8px;overflow:hidden;background:#EFECE4;display:block;
}
.row-item__thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.row-item:hover .row-item__thumb img{transform:scale(1.04);}
.row-item__body{min-width:0;}
.row-item__top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px;}
.badge{
  display:inline-flex;align-items:center;padding:3px 11px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:500;background:var(--ink-050);color:var(--ink-800);border:1px solid #CFE2DD;
}
.badge--warm{background:#FBEDE7;color:var(--accent);border-color:#F3D6CA;}
.row-item__pos{font-size:13px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px;}
.row-item__pos i{color:var(--amber);font-size:12px;}
.row-item h3{font-size:19px;margin-bottom:8px;}
.row-item h3 a{color:var(--ink-900);}
.row-item h3 a:hover{color:var(--accent);}
.row-item__text{color:var(--text-2);font-size:14px;line-height:1.75;}
.row-item__meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:12px;
  padding-top:12px;border-top:1px dashed var(--line);font-size:13px;color:var(--text-2);
}
.row-item__meta .go{margin-left:auto;display:inline-flex;align-items:center;gap:6px;color:var(--ink-800);font-weight:500;}
.row-item__meta .go:hover{color:var(--accent);}
.row-item__meta .go i{font-size:12px;transition:transform var(--ease);}
.row-item__meta .go:hover i{transform:translateX(3px);}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.step-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);position:relative;
  transition:transform var(--ease),box-shadow var(--ease);
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.step-card::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--accent);
  display:block;margin-bottom:10px;letter-spacing:.06em;
}
.step-card h3{font-size:17.5px;margin-bottom:8px;}
.step-card p{color:var(--text-2);font-size:14px;line-height:1.75;}

/* ---------- 深底数据带 ---------- */
.databand{
  background:var(--ink-900);color:#fff;position:relative;
  background-image:linear-gradient(rgba(14,75,67,.94),rgba(14,75,67,.94)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
}
.databand .section-head p{color:rgba(255,255,255,.78);}
.databand h2{color:#fff;}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.metric{border-left:3px solid var(--amber);padding-left:18px;}
.metric__num{font-family:var(--font-num);font-size:34px;font-weight:700;color:#fff;line-height:1.2;}
.metric__num span{font-size:15px;font-weight:500;color:var(--amber);margin-left:6px;}
.metric__label{font-size:14px;color:rgba(255,255,255,.78);margin-top:6px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion{border:0;background:transparent;}
.accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--radius-card);background:var(--white);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-1);
}
.accordion .accordion-title{
  border:0;border-left:3px solid var(--ink-800);
  padding:18px 46px 18px 20px;font-size:16.5px;font-weight:500;color:var(--ink-900);
  transition:background-color var(--ease),border-color var(--ease);
}
.accordion .accordion-title:hover,.accordion .accordion-title:focus{background:var(--ink-050);border-left-color:var(--accent);}
.accordion .accordion-title::before{
  content:"\f107";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--ink-800);
  right:20px;top:50%;transform:translateY(-50%);font-size:14px;
}
.accordion .accordion-item.is-active .accordion-title{background:var(--ink-050);border-left-color:var(--accent);color:var(--ink-900);}
.accordion .accordion-content{
  border:0;border-top:1px solid var(--line);background:var(--ink-050);
  padding:18px 22px;color:var(--text);font-size:15px;line-height:1.85;
}
.accordion .accordion-content p{margin-bottom:10px;}
.accordion .accordion-content p:last-child{margin-bottom:0;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--ink-900);color:#fff;border-radius:var(--radius-lg);
  padding:52px 48px;display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center;
  background-image:linear-gradient(120deg,rgba(14,75,67,.97),rgba(24,122,108,.92));
}
.cta-band h2{color:#fff;font-size:28px;}
.cta-band p{color:rgba(255,255,255,.82);margin-top:14px;font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- 空态 ---------- */
.cms-empty{
  background:var(--ink-050);border:1px dashed #BFD7D1;border-radius:var(--radius-card);
  padding:38px 24px;text-align:center;color:var(--text-2);
}
.cms-empty i{font-size:26px;color:var(--ink-700);display:block;margin-bottom:12px;}
.cms-empty p{font-size:14.5px;margin-bottom:16px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.78);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand__mark{
  width:34px;height:34px;border-radius:9px;background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
}
.footer-brand strong{color:#fff;font-size:17px;font-weight:700;}
.site-footer p{font-size:14px;line-height:1.8;}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:16px;}
.footer-links li,.footer-contact li{margin-bottom:10px;font-size:14px;}
.footer-links a{color:rgba(255,255,255,.78);}
.footer-links a:hover,.footer-links a:focus{color:var(--amber);}
.footer-contact li{display:flex;align-items:flex-start;gap:9px;}
.footer-contact i{color:var(--amber);margin-top:4px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;text-align:center;
  font-size:13px;color:rgba(255,255,255,.60);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  h1{font-size:34px;}
  .page-banner h1{font-size:34px;}
  .group-overview{grid-template-columns:1fr;gap:28px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:42px 32px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media screen and (max-width:860px){
  .nav-search--desktop{display:none;}
  .nav-toggle{display:inline-flex;}
  .channel-nav{
    position:fixed;top:0;right:0;width:min(320px,86vw);height:100vh;z-index:80;
    background:var(--white);border-left:1px solid var(--line);
    box-shadow:-14px 0 34px rgba(18,20,18,.16);
    transform:translateX(103%);transition:transform 220ms ease;overflow-y:auto;padding:22px 0;
  }
  .channel-nav.is-open{transform:translateX(0);}
  .channel-nav__inner{display:block;padding:0 22px;}
  .channel-list{flex-direction:column;align-items:stretch;gap:2px;margin-bottom:18px;}
  .channel-list a{padding:13px 12px;border-bottom:0;border-left:3px solid transparent;border-radius:8px;}
  .channel-list a.is-active{border-left-color:var(--accent);background:var(--ink-050);}
  .hot-words{flex-wrap:wrap;padding:14px 0 0;border-top:1px solid var(--line);}
  body.nav-open{overflow:hidden;}
}
@media screen and (max-width:768px){
  .section{padding:56px 0;}
  .section--tight{padding:42px 0;}
  .page-banner{aspect-ratio:auto;min-height:0;}
  .page-banner__inner{padding-top:44px;padding-bottom:44px;}
  .group-list{grid-template-columns:1fr;}
  .row-item{grid-template-columns:120px 1fr;gap:16px;padding:16px;}
  .row-item__thumb{width:120px;height:80px;}
  .row-item h3{font-size:17.5px;}
}
@media screen and (max-width:520px){
  .container{padding-left:16px;padding-right:16px;}
  h1{font-size:28px;}
  h2{font-size:23px;}
  .page-banner h1{font-size:28px;}
  .brand-logo__text em{display:none;}
  .brand-logo__text strong{font-size:16.5px;}
  .row-item{grid-template-columns:1fr;gap:14px;}
  .row-item__thumb{width:100%;height:170px;}
  .steps{grid-template-columns:1fr;}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:18px;}
  .cta-band{padding:34px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .row-item__meta .go{margin-left:0;width:100%;}
}
@media screen and (min-width:1441px){
  .container{max-width:1200px;}
}

/* roulang page: category3 */
:root{
  --ink:#0E4B43;
  --ink-deep:#0A3A34;
  --ink-soft:#14655A;
  --accent:#C8461F;
  --accent-hover:#A93A18;
  --amber:#E9A23B;
  --bg:#F7F5F0;
  --bg-alt:#EFECE4;
  --card:#FFFFFF;
  --line:#E4E0D6;
  --text:#23211D;
  --muted:#6B675F;
  --tint:#E8F1EE;
  --radius-card:12px;
  --radius-lg:16px;
  --radius-btn:8px;
  --shadow:0 1px 2px rgba(18,20,18,.04), 0 8px 24px rgba(18,20,18,.06);
  --shadow-hover:0 12px 32px rgba(18,20,18,.10);
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,"Helvetica Neue",Arial,sans-serif;
  --ease:180ms ease;
}
*,*::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;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font);
  color:var(--ink);
  font-weight:700;
  letter-spacing:.01em;
  margin:0;
}
h1{font-size:40px;line-height:1.25}
h2{font-size:29px;line-height:1.35}
h3{font-size:20px;line-height:1.5}
h4{font-size:17px;line-height:1.6}
p{margin:0 0 16px;font-size:16px;line-height:1.85;color:var(--text)}
p:last-child{margin-bottom:0}
a{color:var(--ink);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease)}
a:hover,a:focus{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:var(--font);font-size:16px;line-height:1.6}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
/* ---------- Foundation 默认样式覆盖 ---------- */
body,button,input,select,textarea,.button{font-family:var(--font) !important}
a{color:var(--ink)}
a:not(.btn):hover,a:not(.btn):focus{color:var(--accent)}
.accordion{border:0;background:transparent;margin:0}
.accordion-title{
  display:flex;align-items:flex-start;gap:12px;
  padding:20px 22px;
  font-size:17px;font-weight:500;line-height:1.65;
  color:var(--ink);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  position:relative;
}
.accordion-title::before{display:none}
.accordion-content{
  display:none;
  padding:16px 22px 22px;
  border:1px solid var(--line);
  border-top:0;
  border-radius:0 0 var(--radius-card) var(--radius-card);
  background:var(--tint);
  color:var(--text);
}
.accordion-item{margin-bottom:12px;border:0;background:transparent}
.accordion-item.is-active .accordion-title{
  color:var(--ink);
  border-color:var(--ink-soft);
  border-radius:var(--radius-card) var(--radius-card) 0 0;
}
.accordion-item.is-active .accordion-content{display:block}
/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  font-size:15px;font-weight:500;line-height:1.2;
  border-radius:var(--radius-btn);
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(200,70,31,.20)}
.btn--primary:hover,.btn--primary:focus{background:var(--accent-hover);color:#fff;transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--ghost:hover,.btn--ghost:focus{background:var(--tint);color:var(--ink);transform:translateY(-1px)}
.btn--light{background:#fff;color:var(--ink);border-color:#fff}
.btn--light:hover,.btn--light:focus{background:var(--amber);color:#3A2A0C;border-color:var(--amber);transform:translateY(-1px)}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.65)}
.btn--outline-light:hover,.btn--outline-light:focus{background:rgba(255,255,255,.14);color:#fff}
.btn:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;
  font-size:13px;font-weight:500;
  color:var(--ink);
  background:var(--tint);
  border-radius:999px;
}
.badge--accent{background:#FBEDE6;color:var(--accent)}
.badge--amber{background:#FBF1DD;color:#8A5A12}
.badge__dot{width:6px;height:6px;border-radius:50%;background:var(--amber);display:inline-block}
/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(18,20,18,.08)}
.brand-bar__inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:74px;
  transition:min-height var(--ease);
}
.site-header.is-stuck .brand-bar__inner{min-height:58px}
.brand-logo{display:flex;align-items:center;gap:12px}
.brand-logo__mark{
  width:40px;height:40px;flex:0 0 40px;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink);
  color:#fff;font-size:18px;font-weight:700;
  border-radius:10px;
  transition:transform var(--ease),background-color var(--ease);
}
.brand-logo:hover .brand-logo__mark{background:var(--ink-soft);transform:rotate(-4deg)}
.brand-logo__text{display:flex;flex-direction:column;line-height:1.25}
.brand-logo__text strong{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.02em}
.brand-logo__text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.04em}
.site-header.is-stuck .brand-logo__text em{display:none}
.brand-bar__tools{display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;
  padding:9px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--bg);
  transition:border-color var(--ease),background-color var(--ease);
}
.nav-search:focus-within{border-color:var(--ink-soft);background:#fff;box-shadow:0 0 0 3px rgba(20,101,90,.10)}
.nav-search i{color:var(--muted);font-size:14px}
.nav-search input{
  border:0;background:transparent;outline:none;
  width:190px;font-size:15px;color:var(--text);
}
.nav-search input::placeholder{color:#9C978C}
.nav-search--drawer{display:none}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:9px 16px;
  background:var(--ink);color:#fff;
  border:0;border-radius:var(--radius-btn);
  font-size:15px;cursor:pointer;
  transition:background-color var(--ease);
}
.nav-toggle:hover{background:var(--ink-soft)}
.channel-nav{border-top:1px solid var(--line);background:#fff}
.channel-nav__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:52px}
.channel-list{display:flex;align-items:center;gap:6px}
.channel-list a{
  position:relative;
  display:inline-block;
  padding:14px 14px;
  font-size:15px;font-weight:500;
  color:var(--text);
}
.channel-list a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;height:3px;
  background:var(--accent);border-radius:3px;
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.channel-list a:hover{color:var(--ink)}
.channel-list a:hover::after{transform:scaleX(1)}
.channel-list a.is-active{color:var(--ink);font-weight:700}
.channel-list a.is-active::after{transform:scaleX(1)}
.hot-words{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted)}
.hot-words__label{color:var(--muted)}
.hot-words a{display:inline-flex;align-items:center;gap:6px;color:var(--muted)}
.hot-words a:hover{color:var(--accent)}
.hot-words .dot{width:6px;height:6px;border-radius:50%;background:var(--amber);display:inline-block}
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,20,18,.42);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
  z-index:95;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:22px 0 0;
  font-size:13px;color:var(--muted);
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:#C6C0B4}
.breadcrumb .current{color:var(--ink);font-weight:500}
/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  padding:36px 0 76px;
  background:var(--bg) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(247,245,240,.96),rgba(247,245,240,.88) 55%,rgba(247,245,240,.98));
}
.page-hero__inner{position:relative;z-index:1}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;margin-bottom:18px;
  font-size:13px;font-weight:500;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:999px;
}
.hero-eyebrow i{color:var(--amber)}
.hero-title{max-width:16em}
.hero-title span{display:block;color:var(--accent);font-size:15px;font-weight:500;letter-spacing:.16em;margin-bottom:10px}
.hero-lead{
  margin-top:18px;max-width:36em;
  font-size:17px;line-height:1.85;color:var(--muted);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.quick-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow);
}
.quick-card__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.quick-card__head h2{font-size:18px}
.quick-card__head span{font-size:13px;color:var(--muted)}
.quick-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:13px 0;border-top:1px dashed var(--line);
}
.quick-list li:first-child{border-top:0}
.quick-list .idx{
  flex:0 0 26px;height:26px;margin-top:2px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:var(--accent);
  background:#FBEDE6;border-radius:8px;
}
.quick-list strong{display:block;font-size:15px;font-weight:500;color:var(--text);line-height:1.65}
.quick-list em{font-style:normal;font-size:13px;color:var(--muted)}
/* ---------- 区块通用 ---------- */
.section{padding:76px 0}
.section--alt{background:var(--bg-alt)}
.section--white{background:#fff}
.section-head{max-width:760px;margin-bottom:36px}
.section-head .kicker{
  display:inline-block;margin-bottom:12px;
  font-size:13px;font-weight:500;letter-spacing:.14em;color:var(--accent);
}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16px}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
/* ---------- 问题分类 + 侧栏 ---------- */
.layout-main{display:block}
.q-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;
  height:100%;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.q-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D6D0C2}
.q-card__media{
  margin:-24px -24px 18px;
  border-radius:var(--radius-card) var(--radius-card) 0 0;
  overflow:hidden;
  background:var(--bg-alt);
}
.q-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.q-card__body{display:flex;flex-direction:column;gap:12px;flex:1}
.q-card h3{font-size:19px}
.q-card p{font-size:14px;line-height:1.75;color:var(--muted);margin:0}
.q-card__foot{margin-top:auto;padding-top:8px}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:500;color:var(--accent);
}
.link-arrow i{transition:transform var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}
.q-card--wide{flex-direction:row;gap:24px;align-items:stretch;padding:0;overflow:hidden}
.q-card--wide .q-card__media{margin:0;flex:0 0 44%;border-radius:0;min-height:220px}
.q-card--wide .q-card__media img{height:100%;aspect-ratio:auto}
.q-card--wide .q-card__body{padding:26px 26px 26px 0}
.q-card--plain{background:var(--tint);border-color:#D5E5E0}
.q-grid{row-gap:24px}
/* 侧栏 */
.side-sticky{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;
}
.side-card h3{font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.side-card h3::before{content:"";width:4px;height:16px;background:var(--accent);border-radius:2px}
.side-links li{padding:10px 0;border-bottom:1px dashed var(--line)}
.side-links li:last-child{border-bottom:0;padding-bottom:0}
.side-links a{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.7;color:var(--text)}
.side-links a:hover{color:var(--accent)}
.side-links i{color:var(--amber);font-size:11px;margin-top:8px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  padding:5px 12px;font-size:13px;
  color:var(--muted);background:var(--bg);border:1px solid var(--line);
  border-radius:999px;transition:all var(--ease);
}
.tag-cloud a:hover{color:var(--accent);border-color:#EBC9B9;background:#FBEDE6}
.side-cta{
  background:var(--tint);border:1px solid #CFE1DB;border-radius:var(--radius-card);
  padding:22px;
}
.side-cta h3{font-size:17px;margin-bottom:10px}
.side-cta p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:16px}
.side-cta .btn{width:100%}
/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px}
.step{
  position:relative;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 22px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.step__num{
  font-size:30px;font-weight:700;color:var(--amber);line-height:1;letter-spacing:.02em;
}
.step h3{font-size:18px;margin:14px 0 10px}
.step p{font-size:14px;line-height:1.75;color:var(--muted);margin:0}
.step__line{
  position:absolute;top:38px;right:-10px;width:20px;height:2px;background:var(--line);
}
.step:last-child .step__line{display:none}
/* ---------- 情境两栏 ---------- */
.scene-row{display:grid;grid-template-columns:280px 1fr;gap:48px;align-items:start}
.scene-row__title h2{margin-bottom:14px}
.scene-row__title p{color:var(--muted);font-size:15px}
.scene-list li{
  display:flex;gap:18px;align-items:flex-start;
  padding:22px 0;border-top:1px solid var(--line);
}
.scene-list li:first-child{border-top:0;padding-top:0}
.scene-list .idx{
  flex:0 0 44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:var(--ink);
  background:var(--tint);border-radius:12px;
}
.scene-list h4{margin-bottom:6px;font-size:17px;color:var(--ink)}
.scene-list p{font-size:14px;line-height:1.75;color:var(--muted);margin:0}
/* ---------- 数据带 ---------- */
.data-band{
  background:var(--ink);
  color:#fff;
  padding:60px 0;
  position:relative;
  overflow:hidden;
}
.data-band::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(135deg,rgba(255,255,255,.05) 25%,transparent 25%,transparent 50%,rgba(255,255,255,.05) 50%,rgba(255,255,255,.05) 75%,transparent 75%);
  background-size:22px 22px;
  opacity:.5;pointer-events:none;
}
.data-band__inner{position:relative;z-index:1}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.data-item{border-left:2px solid rgba(255,255,255,.18);padding-left:20px}
.data-item strong{
  display:block;font-size:36px;font-weight:700;line-height:1.1;color:var(--amber);
}
.data-item strong small{font-size:15px;font-weight:500;color:#fff;margin-left:6px}
.data-item span{display:block;margin-top:10px;font-size:14px;color:rgba(255,255,255,.78)}
/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-index{
  flex:0 0 auto;font-size:13px;font-weight:700;color:var(--accent);
  padding-top:3px;letter-spacing:.04em;
}
.accordion-title .chev{
  margin-left:auto;color:var(--muted);font-size:13px;
  transition:transform var(--ease),color var(--ease);
}
.accordion-item.is-active .accordion-title .chev{transform:rotate(180deg);color:var(--accent)}
.accordion-content p{font-size:15px;line-height:1.85;color:var(--text);margin:0}
.accordion-content p + p{margin-top:12px}
/* ---------- 底部 CTA ---------- */
.cta-band{
  background:var(--ink-deep);
  color:#fff;
  padding:72px 0;
  position:relative;
  overflow:hidden;
}
.cta-band__inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.4fr .9fr;gap:40px;align-items:center;
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.80);font-size:16px;margin:0}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.78);
  padding:64px 0 0;
  font-size:14px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand__mark{
  width:34px;height:34px;flex:0 0 34px;
  display:flex;align-items:center;justify-content:center;
  background:var(--amber);color:#3A2A0C;font-weight:700;border-radius:9px;font-size:15px;
}
.footer-brand strong{color:#fff;font-size:17px;font-weight:700}
.site-footer p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.8;margin:0}
.site-footer h4{
  color:#fff;font-size:15px;font-weight:700;margin:0 0 16px;
}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.78);font-size:14px}
.footer-links a:hover{color:var(--amber)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;font-size:14px}
.footer-contact i{color:var(--amber);margin-top:5px;font-size:13px}
.footer-bottom{
  padding:22px 0;text-align:center;
  font-size:13px;color:rgba(255,255,255,.60);
}
/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .container{max-width:1120px}
}
@media (max-width:1024px){
  h1{font-size:32px}
  .section{padding:64px 0}
  .nav-search--desktop{display:none}
  .nav-toggle{display:inline-flex}
  .channel-nav{
    position:fixed;top:0;right:0;
    width:min(86vw,380px);height:100vh;
    background:#fff;
    padding:22px;
    overflow-y:auto;
    transform:translateX(102%);
    transition:transform var(--ease);
    z-index:100;
    box-shadow:-12px 0 32px rgba(18,20,18,.14);
    border-top:0;
  }
  .channel-nav.is-open{transform:translateX(0)}
  .channel-nav__inner{display:block;min-height:0}
  .nav-search--drawer{
    display:flex;width:100%;margin-bottom:18px;background:var(--bg);
  }
  .nav-search--drawer input{width:100%}
  .channel-list{flex-direction:column;align-items:stretch;gap:0;margin-bottom:18px}
  .channel-list a{padding:15px 4px;border-bottom:1px solid var(--line)}
  .channel-list a::after{left:4px;right:auto;width:26px;bottom:8px}
  .hot-words{flex-wrap:wrap;gap:10px}
  .q-card--wide{flex-direction:column}
  .q-card--wide .q-card__media{flex:none;min-height:200px;border-radius:var(--radius-card) var(--radius-card) 0 0}
  .q-card--wide .q-card__body{padding:22px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step__line{display:none}
  .scene-row{grid-template-columns:1fr;gap:24px}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .cta-band__inner{grid-template-columns:1fr;gap:26px}
  .cta-band__actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}
  .side-sticky{position:static}
}
@media (max-width:640px){
  .container{padding:0 16px}
  h1{font-size:28px}
  h2{font-size:23px}
  .section{padding:48px 0}
  .brand-logo__text strong{font-size:16px}
  .brand-logo__text em{display:none}
  .brand-bar__inner{min-height:62px}
  .nav-toggle{padding:8px 12px;font-size:14px}
  .page-hero{padding:20px 0 52px}
  .hero-lead{font-size:16px}
  .hero-actions .btn{width:100%}
  .quick-card{padding:20px}
  .steps{grid-template-columns:1fr}
  .data-grid{grid-template-columns:1fr 1fr;gap:20px}
  .data-item strong{font-size:28px}
  .cta-band{padding:52px 0}
  .cta-band h2{font-size:23px}
  .cta-band__actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:30px}
  .accordion-title{padding:16px;font-size:16px}
  .accordion-content{padding:14px 16px 18px}
  .scene-list li{gap:12px}
  .scene-list .idx{flex:0 0 36px;height:36px;border-radius:10px}
}