/* roulang page: index */
:root{
  --bg:#F7F3EC;
  --surface:#FFFDF9;
  --ink:#1B1A17;
  --muted:#6F6A61;
  --primary:#C0562F;
  --primary-dark:#8F3B1F;
  --secondary:#4E6B62;
  --accent:#E9C7B7;
  --line:#DED6C9;
  --focus:#C0562F;
  --radius:8px;
  --radius-lg:12px;
  --shadow-soft:0 20px 60px rgba(27,26,23,.08);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Heiti SC",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible,select:focus-visible{
  outline:2px solid var(--focus);
  outline-offset:2px;
  border-radius:4px;
}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,select,textarea{font-family:inherit;font-size:16px;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,"SimSun",serif;
  font-weight:700;
  margin:0;
  letter-spacing:-.01em;
}
p{margin:0 0 .85em;}
p:last-child{margin-bottom:0;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:96px 0;border-top:1px solid var(--line);}
.section--tight{padding:72px 0;}
.section--surface{background:var(--surface);}
.section--ink{background:var(--ink);color:#F7F3EC;border-top:none;}
.section--mint{background:#EEF2EF;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.14em;
  text-transform:none;
  color:var(--primary);
  font-weight:600;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:26px;
  height:2px;
  background:var(--primary);
  display:inline-block;
}
.h1{
  font-size:clamp(38px,5.6vw,68px);
  line-height:1.1;
  letter-spacing:-.03em;
}
.h2{
  font-size:clamp(27px,3.4vw,42px);
  line-height:1.2;
}
.h3{
  font-size:clamp(19px,1.6vw,23px);
  line-height:1.4;
  font-weight:650;
}
.lead{
  font-size:17px;
  color:var(--muted);
  line-height:1.85;
  max-width:64ch;
}
.muted{color:var(--muted);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  font-size:16px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--primary);color:#FFF9F3;}
.btn--primary:hover{background:var(--primary-dark);transform:translateY(-1px);}
.btn--primary:active{transform:translateY(0) scale(.99);}
.btn--ghost{
  background:transparent;
  color:var(--ink);
  border:1px solid var(--ink);
  border-radius:4px;
}
.btn--ghost:hover{background:var(--ink);color:#FFF9F3;}
.btn--ghost:active{transform:translateY(1px);}
.btn--small{height:40px;padding:0 18px;font-size:14px;}
.btn[disabled]{opacity:.45;pointer-events:none;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:600;
  color:var(--ink);
  position:relative;
}
.link-more::after{
  content:"";
  position:absolute;
  left:0;right:100%;bottom:-3px;
  height:1px;
  background:var(--primary);
  transition:right .22s ease;
}
.link-more:hover{color:var(--primary);}
.link-more:hover::after{right:0;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  border:1px solid var(--line);
  background:#fff;
  color:var(--muted);
  line-height:1.5;
}
.badge--primary{background:#FBEDE6;border-color:#E7B7A2;color:var(--primary-dark);}
.badge--mint{background:#E7EEEA;border-color:#C3D4CC;color:var(--secondary);}
.badge--ink{background:var(--ink);border-color:var(--ink);color:#F7F3EC;}

/* 顶部促销条 */
.promo-bar{
  background:var(--ink);
  color:#F2ECE3;
  font-size:13px;
  letter-spacing:.02em;
}
.promo-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:38px;
  height:38px;
}
.promo-left{display:flex;align-items:center;gap:10px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;}
.promo-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none;}
.promo-right{display:flex;align-items:center;gap:18px;flex:none;}
.promo-right a{color:#DCD3C7;font-size:13px;}
.promo-right a:hover{color:#fff;}

/* 主导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:78px;
}
.brand{display:flex;flex-direction:column;gap:2px;flex:none;}
.brand-main{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:19px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
  line-height:1.2;
  white-space:nowrap;
}
.brand-sub{
  font-size:11px;
  letter-spacing:.2em;
  color:var(--muted);
  line-height:1.2;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
}
.nav-links a{
  position:relative;
  padding:10px 12px;
  font-size:15px;
  color:var(--muted);
  font-weight:500;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:4px;
  height:2px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .18s ease;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--ink);font-weight:700;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto;}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  min-width:230px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(192,86,47,.14);}
.search-box svg{flex:none;color:var(--muted);}
.search-box input{
  border:none;
  outline:none;
  background:transparent;
  width:100%;
  font-size:14px;
  color:var(--ink);
}
.search-box input::placeholder{color:#9C968C;font-size:13px;}
.icon-btn{
  width:42px;height:42px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:50%;
  color:var(--ink);
  background:#fff;
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.icon-btn:hover{border-color:var(--primary);color:var(--primary);}
.menu-btn{display:none;width:42px;height:42px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;background:#fff;}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(27,26,23,.45);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,360px);
  background:var(--surface);
  z-index:90;
  transform:translateX(102%);
  transition:transform .28s cubic-bezier(.2,.7,.2,1);
  display:flex;flex-direction:column;
  padding:22px;
  overflow-y:auto;
  box-shadow:-20px 0 60px rgba(27,26,23,.18);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-top:14px;}
.drawer-nav a{padding:12px 4px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink);}
.drawer-nav a:hover{color:var(--primary);}
.drawer-cta{margin-top:22px;display:flex;flex-direction:column;gap:10px;}

/* Hero */
.hero{
  position:relative;
  padding:76px 0 88px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(247,243,236,.94),rgba(247,243,236,.97)),url('/assets/images/188ca3e63fe12375.webp');
  background-size:cover;
  background-position:center;
  opacity:.55;
  z-index:0;
}
.hero > .container{position:relative;z-index:1;}
.hero-grid{
  display:grid;
  grid-template-columns:1.25fr .95fr;
  gap:56px;
  align-items:start;
}
.hero-title{margin:14px 0 20px;}
.hero-sub{
  font-size:17px;
  color:var(--muted);
  line-height:1.9;
  max-width:60ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.hero-note{
  margin-top:22px;
  padding-left:16px;
  border-left:2px solid var(--primary);
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
}
.apply-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px;
  box-shadow:var(--shadow-soft);
}
.apply-card h3{font-size:20px;margin-bottom:8px;}
.apply-card .apply-desc{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:18px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px;letter-spacing:.02em;}
.field input,.field select{
  width:100%;
  height:48px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:6px;
  background:#fff;
  color:var(--ink);
  outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input:focus,.field select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(192,86,47,.14);}
.apply-card .btn{width:100%;margin-top:6px;}
.apply-foot{font-size:12px;color:var(--muted);margin-top:12px;line-height:1.7;text-align:center;}
.notice{
  margin-top:12px;
  font-size:13px;
  color:var(--secondary);
  background:#E7EEEA;
  border:1px solid #C3D4CC;
  border-radius:6px;
  padding:8px 12px;
  display:none;
}
.notice.is-on{display:block;}

/* bento */
.bento{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:20px;
  margin-top:44px;
}
.bento-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.bento-item:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:0 14px 36px rgba(27,26,23,.07);}
.bento-item.b-lg{grid-column:span 3;min-height:250px;}
.bento-item.b-sm{grid-column:span 2;}
.bento-num{font-family:"Noto Serif SC","Songti SC",serif;font-size:13px;letter-spacing:.18em;color:var(--primary);font-weight:700;}
.bento-item h3{font-size:20px;line-height:1.35;}
.bento-item p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.bento-icon{width:38px;height:38px;border-radius:8px;background:#FBEDE6;color:var(--primary-dark);display:flex;align-items:center;justify-content:center;border:1px solid #E7B7A2;}

/* 场景横滚 */
.scene-layout{display:grid;grid-template-columns:300px 1fr;gap:44px;align-items:start;}
.scene-side{position:sticky;top:110px;}
.scene-rail{
  display:flex;
  gap:20px;
  overflow-x:auto;
  padding:6px 4px 20px;
  scroll-snap-type:x mandatory;
}
.scene-rail::-webkit-scrollbar{height:6px;}
.scene-rail::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px;}
.scene-card{
  flex:0 0 300px;
  scroll-snap-align:start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:10px;
  transition:border-color .18s ease,transform .18s ease;
}
.scene-card:hover{border-color:var(--primary);transform:translateY(-2px);}
.scene-card .scene-no{font-family:"Noto Serif SC","Songti SC",serif;font-size:26px;color:var(--accent);font-weight:700;line-height:1;}
.scene-card h3{font-size:19px;}
.scene-card p{font-size:14px;color:var(--muted);line-height:1.8;}

/* 演示 */
.demo-layout{display:grid;grid-template-columns:1fr 1.15fr;gap:52px;align-items:center;}
.step-list{display:flex;flex-direction:column;gap:6px;margin-top:26px;}
.step-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 16px;
  border:1px solid transparent;
  border-radius:var(--radius);
  cursor:pointer;
  transition:background-color .18s ease,border-color .18s ease;
  text-align:left;
  width:100%;
}
.step-item:hover{background:#FBF6EF;}
.step-item.is-active{background:#FBF6EF;border-color:var(--line);}
.step-item .step-idx{
  flex:none;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:var(--muted);background:#fff;
}
.step-item.is-active .step-idx{background:var(--primary);border-color:var(--primary);color:#fff;}
.step-body strong{display:block;font-size:16px;font-weight:700;margin-bottom:2px;}
.step-body span{font-size:14px;color:var(--muted);line-height:1.7;display:block;}
.device-frame{
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--surface);
  padding:14px;
  box-shadow:var(--shadow-soft);
}
.device-screen{
  border-radius:10px;
  overflow:hidden;
  background:#EFE9DF;
  aspect-ratio:4/3;
  position:relative;
}
.device-screen img{width:100%;height:100%;object-fit:cover;}
.device-bar{display:flex;gap:6px;padding:4px 4px 12px;}
.device-bar i{width:8px;height:8px;border-radius:50%;background:var(--line);display:block;}
.device-caption{
  display:flex;justify-content:space-between;gap:12px;align-items:center;
  padding-top:12px;font-size:13px;color:var(--muted);
}

/* 案例 */
.case-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;margin-top:44px;}
.case-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
  display:flex;flex-direction:column;
}
.case-card:hover{border-color:var(--primary);box-shadow:0 16px 40px rgba(27,26,23,.07);}
.case-media{aspect-ratio:3/2;overflow:hidden;background:#EFE9DF;}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.case-card:hover .case-media img{transform:scale(1.02);}
.case-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;}
.case-stat{font-family:"Noto Serif SC","Songti SC",serif;font-size:24px;font-weight:700;color:var(--primary);line-height:1.2;}
.case-body h3{font-size:19px;}
.case-body p{font-size:14px;color:var(--muted);line-height:1.8;}
.case-stack{display:flex;flex-direction:column;gap:24px;}
.case-stack .case-card{flex:1;}

/* 价格 */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px;align-items:stretch;}
.price-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 26px;
  display:flex;flex-direction:column;gap:16px;
  transition:border-color .18s ease,transform .18s ease;
}
.price-card:hover{border-color:var(--primary);transform:translateY(-2px);}
.price-card.is-dark{background:var(--ink);color:#F4EEE5;border-color:var(--ink);box-shadow:var(--shadow-soft);}
.price-card.is-dark .muted,.price-card.is-dark .price-list li{color:#C9C0B3;}
.price-card.is-dark .badge{background:rgba(255,253,249,.1);border-color:rgba(255,253,249,.28);color:#F4EEE5;}
.price-name{font-size:15px;font-weight:700;letter-spacing:.04em;}
.price-amount{font-family:"Noto Serif SC","Songti SC",serif;font-size:44px;font-weight:700;line-height:1;letter-spacing:-.02em;}
.price-amount small{font-size:14px;font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-weight:500;letter-spacing:0;margin-left:6px;}
.price-list{display:flex;flex-direction:column;gap:9px;font-size:14.5px;color:var(--muted);}
.price-list li{display:flex;gap:8px;align-items:flex-start;line-height:1.65;}
.price-list li::before{content:"✓";color:var(--primary);font-weight:700;flex:none;}
.price-card.is-dark .price-list li::before{color:var(--accent);}
.compare{margin-top:36px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface);}
.compare table{width:100%;border-collapse:collapse;font-size:14.5px;}
.compare th,.compare td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);}
.compare th{background:#FBF6EF;font-weight:700;font-size:14px;}
.compare tr:last-child td{border-bottom:none;}

/* 评价 */
.review-wall{columns:3;column-gap:22px;margin-top:44px;}
.review-card{
  break-inside:avoid;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  margin-bottom:22px;
  transition:border-color .18s ease;
}
.review-card:hover{border-color:var(--primary);}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{
  width:40px;height:40px;border-radius:50%;
  background:#EFE3D6;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;color:var(--primary-dark);font-size:15px;flex:none;
}
.review-name{font-size:14.5px;font-weight:700;line-height:1.3;}
.review-city{font-size:12.5px;color:var(--muted);}
.review-card p{font-size:14.5px;line-height:1.85;color:#3D3A34;}
.review-date{font-size:12px;color:var(--muted);margin-top:12px;}

/* 数据条 */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:44px;}
.metric{border-left:1px solid rgba(247,243,236,.22);padding-left:20px;}
.metric:first-child{border-left:none;padding-left:0;}
.metric-num{font-family:"Noto Serif SC","Songti SC",serif;font-size:clamp(32px,4vw,52px);line-height:1;font-weight:700;color:var(--accent);}
.metric-label{font-size:14px;color:#C9C0B3;margin-top:10px;line-height:1.7;}
.partner-row{
  display:flex;flex-wrap:wrap;gap:14px 34px;
  margin-top:46px;padding-top:26px;
  border-top:1px solid rgba(247,243,236,.18);
  font-size:13.5px;letter-spacing:.1em;color:#9A9184;
}

/* 专题入口 */
.topic-layout{display:grid;grid-template-columns:330px 1fr;gap:48px;align-items:start;}
.topic-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 22px;}
.topic-item{
  display:flex;align-items:flex-start;gap:14px;
  padding:18px 18px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--surface);
  transition:border-color .18s ease,transform .18s ease;
}
.topic-item:hover{border-color:var(--primary);transform:translateY(-2px);}
.topic-item .t-idx{font-family:"Noto Serif SC","Songti SC",serif;font-size:14px;color:var(--primary);font-weight:700;flex:none;padding-top:2px;}
.topic-item strong{display:block;font-size:16px;font-weight:700;margin-bottom:4px;}
.topic-item span{font-size:13.5px;color:var(--muted);line-height:1.7;}

/* 安全 */
.safety-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px;}
.safety-card{
  background:#fff;
  border:1px solid #C3D4CC;
  border-radius:var(--radius);
  padding:24px;
  display:flex;flex-direction:column;gap:10px;
}
.safety-card h3{font-size:17px;color:#2F4C44;}
.safety-card p{font-size:14px;color:#4B665E;line-height:1.8;}
.safety-icon{width:36px;height:36px;border-radius:8px;background:#DDE8E2;color:var(--secondary);display:flex;align-items:center;justify-content:center;}
.safety-foot{margin-top:30px;}

/* chips */
.chip-group{margin-top:34px;}
.chip-title{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--muted);margin-bottom:12px;}
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;
  height:38px;padding:0 18px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  font-size:14px;color:var(--muted);
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.chip:hover{border-color:var(--primary);color:var(--primary);}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#F7F3EC;}

/* FAQ */
.faq-list{margin-top:36px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:22px 44px 22px 20px;
  position:relative;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  transition:color .18s ease,background-color .18s ease;
  border-left:2px solid transparent;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;right:16px;top:50%;
  transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--primary);
  transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-item[open] summary{border-left-color:var(--primary);color:var(--primary-dark);background:#FBF6EF;}
.faq-item summary:hover{color:var(--primary);}
.faq-answer{padding:0 20px 24px 20px;border-left:2px solid var(--primary);font-size:15px;color:var(--muted);line-height:1.9;}

/* 资讯列表 */
.news-layout{display:grid;grid-template-columns:1fr 320px;gap:44px;align-items:start;margin-top:40px;}
.news-list{display:flex;flex-direction:column;gap:18px;}
.news-item{
  display:grid;
  grid-template-columns:200px 1fr;
  gap:22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:16px;
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.news-item:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:0 12px 30px rgba(27,26,23,.06);}
.news-thumb{aspect-ratio:16/10;border-radius:6px;overflow:hidden;background:#EFE9DF;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-item:hover .news-thumb img{transform:scale(1.02);}
.news-body{display:flex;flex-direction:column;gap:8px;min-width:0;}
.news-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12.5px;color:var(--muted);}
.news-body h3{font-size:18px;line-height:1.45;}
.news-body h3 a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.news-body p{font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-side{position:sticky;top:110px;display:flex;flex-direction:column;gap:18px;}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;}
.side-card h3{font-size:17px;margin-bottom:10px;}
.side-card p{font-size:14px;color:var(--muted);line-height:1.8;}
.side-list{display:flex;flex-direction:column;gap:12px;margin-top:14px;}
.side-list a{font-size:14px;color:var(--ink);line-height:1.6;display:flex;gap:8px;}
.side-list a::before{content:"·";color:var(--primary);font-weight:700;}
.side-list a:hover{color:var(--primary);}
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--radius);
  padding:44px 24px;
  text-align:center;
  background:var(--surface);
}
.empty-state .empty-icon{width:48px;height:48px;margin:0 auto 14px;border-radius:50%;background:#F1EAE0;display:flex;align-items:center;justify-content:center;color:var(--primary);}
.empty-state p{font-size:14.5px;color:var(--muted);}

/* 收口 CTA */
.cta-section{
  background:var(--primary);
  color:#FFF6EF;
  border-top:none;
}
.cta-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.cta-section .h2{color:#FFF6EF;}
.cta-section p{color:#FBE3D6;font-size:16px;line-height:1.85;}
.cta-form{
  background:rgba(255,253,249,.12);
  border:1px solid rgba(255,253,249,.32);
  border-radius:var(--radius-lg);
  padding:26px;
  backdrop-filter:blur(2px);
}
.cta-form .field label{color:#FFF6EF;}
.cta-form .field input{
  background:#FFFDF9;border-color:#E8CDBC;color:var(--ink);
}
.cta-form .btn--primary{background:var(--ink);color:#FFF6EF;}
.cta-form .btn--primary:hover{background:#000;}
.cta-note{font-size:12.5px;color:#F8DCCB;margin-top:12px;line-height:1.7;}

/* 页脚 */
.site-footer{background:var(--ink);color:#D9D1C5;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand .brand-main{color:#F7F3EC;font-size:20px;}
.footer-brand .brand-sub{color:#9A9184;}
.footer-desc{font-size:14px;line-height:1.85;color:#A9A093;margin-top:16px;max-width:34ch;}
.footer-col h4{font-size:14px;letter-spacing:.1em;color:#F7F3EC;margin-bottom:16px;font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#A9A093;}
.footer-col a:hover{color:#F7F3EC;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.footer-tags a{
  font-size:12.5px;border:1px solid rgba(247,243,236,.2);border-radius:999px;
  padding:4px 12px;color:#B7AEA1;
}
.footer-tags a:hover{border-color:var(--accent);color:#F7F3EC;}
.footer-sub{display:flex;gap:8px;margin-top:14px;}
.footer-sub input{
  height:44px;flex:1;min-width:0;padding:0 12px;border-radius:6px;
  border:1px solid rgba(247,243,236,.22);background:rgba(247,243,236,.06);color:#F7F3EC;outline:none;
  font-size:14px;
}
.footer-sub input::placeholder{color:#8C8377;}
.footer-sub input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(233,199,183,.16);}
.footer-sub button{
  height:44px;padding:0 18px;border-radius:6px;background:var(--primary);color:#FFF6EF;
  font-size:14px;font-weight:600;flex:none;transition:background-color .18s ease;
}
.footer-sub button:hover{background:var(--primary-dark);}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(247,243,236,.14);
  padding:22px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:#8C8377;
}
.footer-bottom a{color:#A9A093;}
.footer-bottom a:hover{color:#F7F3EC;}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s cubic-bezier(.2,.7,.2,1),transform .5s cubic-bezier(.2,.7,.2,1);}
.reveal.in{opacity:1;transform:none;}
.hero-anim{opacity:0;transform:translateY(12px);animation:heroIn .6s cubic-bezier(.2,.7,.2,1) forwards;}
.hero-anim.d1{animation-delay:.06s;}
.hero-anim.d2{animation-delay:.14s;}
.hero-anim.d3{animation-delay:.22s;}
.hero-anim.d4{animation-delay:.3s;}
@keyframes heroIn{to{opacity:1;transform:none;}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;}
  .reveal{transform:none;}
  .hero-anim{transform:none;animation:none;opacity:1;}
  .scene-rail{scroll-behavior:auto;}
}

/* 响应式 */
@media (max-width:1024px){
  .nav-links{display:none;}
  .search-box{min-width:180px;}
  .hero-grid{grid-template-columns:1fr;gap:38px;}
  .bento{grid-template-columns:repeat(4,1fr);}
  .bento-item.b-lg{grid-column:span 2;}
  .bento-item.b-sm{grid-column:span 2;}
  .scene-layout{grid-template-columns:1fr;gap:26px;}
  .scene-side{position:static;}
  .demo-layout{grid-template-columns:1fr;gap:34px;}
  .case-grid{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr 1fr;}
  .review-wall{columns:2;}
  .metric-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .metric:nth-child(3){border-left:none;padding-left:0;}
  .topic-layout{grid-template-columns:1fr;gap:28px;}
  .safety-grid{grid-template-columns:1fr 1fr;}
  .news-layout{grid-template-columns:1fr;}
  .news-side{position:static;}
  .cta-layout{grid-template-columns:1fr;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:820px){
  .menu-btn{display:inline-flex;}
  .nav-tools .search-box,.nav-tools .icon-btn,.nav-tools .btn{display:none;}
  .nav-wrap{min-height:64px;gap:12px;}
  .brand-main{font-size:16.5px;}
  .brand-sub{font-size:10px;letter-spacing:.16em;}
  .section{padding:64px 0;}
  .hero{padding:52px 0 62px;}
  .price-grid{grid-template-columns:1fr;}
  .compare{display:none;}
  .review-wall{columns:1;}
  .news-item{grid-template-columns:1fr;gap:14px;}
  .news-thumb{aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .promo-inner{height:36px;min-height:36px;}
  .promo-right a:first-child{display:none;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .hero-actions .btn{width:100%;}
  .bento{grid-template-columns:1fr;}
  .bento-item.b-lg,.bento-item.b-sm{grid-column:span 1;}
  .safety-grid{grid-template-columns:1fr;}
  .metric-grid{grid-template-columns:1fr;}
  .metric{border-left:none;padding-left:0;border-top:1px solid rgba(247,243,236,.2);padding-top:18px;}
  .metric:first-child{border-top:none;padding-top:0;}
  .topic-grid{grid-template-columns:1fr;}
  .scene-card{flex:0 0 84%;}
  .apply-card{padding:22px;}
  .chip{height:36px;padding:0 14px;font-size:13px;}
}

/* roulang page: article */
:root{
  --bg:#F7F3EC;
  --surface:#FFFDF9;
  --ink:#1B1A17;
  --muted:#6F6A61;
  --primary:#C0562F;
  --primary-dark:#8F3B1F;
  --secondary:#4E6B62;
  --accent:#E9C7B7;
  --line:#DED6C9;
  --focus:#C0562F;
  --radius:8px;
  --radius-lg:12px;
  --shadow-soft:0 20px 60px rgba(27,26,23,.08);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Heiti SC",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible,select:focus-visible{
  outline:2px solid var(--focus);
  outline-offset:2px;
  border-radius:4px;
}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:16px;}
::selection{background:var(--accent);color:var(--ink);}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;border-top:1px solid var(--line);}
.section--tight{padding:64px 0;}
.section--surface{background:var(--surface);}
.section--ink{background:var(--ink);color:#F7F3EC;border-top:none;}
.section--mint{background:#EEF2EF;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--primary);
  font-weight:600;margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--primary);display:inline-block;}
.lead{font-size:17px;color:var(--muted);line-height:1.85;max-width:64ch;margin:0;}
.muted{color:var(--muted);}
.text-link{
  position:relative;display:inline-block;font-size:14px;font-weight:600;
  color:var(--ink);padding-bottom:3px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:currentColor;transform:scaleX(.35);transform-origin:left;
  transition:transform .18s ease;
}
.text-link:hover{color:var(--primary);}
.text-link:hover::after{transform:scaleX(1);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:16px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--primary);color:#FFF9F3;}
.btn--primary:hover{background:var(--primary-dark);transform:translateY(-1px);}
.btn--primary:active{transform:translateY(0) scale(.99);}
.btn--ghost{background:transparent;color:var(--ink);border:1px solid var(--ink);border-radius:4px;}
.btn--ghost:hover{background:var(--ink);color:#FFF9F3;}
.btn--small{height:40px;padding:0 18px;font-size:14px;}
.btn[disabled]{opacity:.45;pointer-events:none;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:13px;font-weight:600;
  border:1px solid var(--line);background:#fff;color:var(--muted);line-height:1.5;
}
.badge--primary{background:#FBEDE6;border-color:#E7B7A2;color:var(--primary-dark);}
.badge--mint{background:#E7EEEA;border-color:#C3D4CC;color:var(--secondary);}
.badge--ink{background:var(--ink);border-color:var(--ink);color:#F7F3EC;}
/* 促销条 */
.promo-bar{background:var(--ink);color:#EFE8DE;border-bottom:1px solid #2C2A26;}
.promo-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;}
.promo-text{font-size:13px;letter-spacing:.02em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.promo-right{display:flex;align-items:center;gap:18px;flex:none;}
.promo-right a{font-size:13px;color:#DCD3C7;}
.promo-right a:hover{color:#fff;}
/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:78px;}
.brand{display:flex;flex-direction:column;gap:2px;flex:none;}
.brand-main{
  font-family:"Noto Serif SC","Songti SC","SimSun",serif;
  font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--ink);
  line-height:1.2;white-space:nowrap;
}
.brand-sub{font-size:11px;letter-spacing:.2em;color:var(--muted);line-height:1.2;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-links a{position:relative;padding:10px 11px;font-size:15px;color:var(--muted);font-weight:500;white-space:nowrap;}
.nav-links a::after{
  content:"";position:absolute;left:11px;right:11px;bottom:4px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--ink);font-weight:700;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 14px;
  border:1px solid var(--line);border-radius:999px;background:#fff;min-width:220px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(192,86,47,.14);}
.search-box svg{flex:none;color:var(--muted);}
.search-box input{border:none;outline:none;background:transparent;width:100%;font-size:14px;color:var(--ink);}
.search-box input::placeholder{color:#9C968C;font-size:13px;}
.icon-btn{
  width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:50%;color:var(--ink);background:#fff;
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.icon-btn:hover{border-color:var(--primary);color:var(--primary);}
.menu-btn{display:none;width:42px;height:42px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;background:#fff;}
/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(27,26,23,.45);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,360px);
  background:var(--surface);z-index:90;transform:translateX(102%);
  transition:transform .28s cubic-bezier(.2,.7,.2,1);
  display:flex;flex-direction:column;padding:22px;overflow-y:auto;
  box-shadow:-20px 0 60px rgba(27,26,23,.18);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-top:16px;}
.drawer-nav a{padding:12px 4px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink);}
.drawer-nav a:hover{color:var(--primary);}
.drawer-cta{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
/* 文章头区 */
.article-hero{padding:48px 0 44px;background:var(--bg);}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:26px;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .current{color:var(--ink);font-weight:600;}
.article-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:center;}
.article-title{
  font-family:"Noto Serif SC","Songti SC","SimSun",serif;
  font-size:clamp(30px,4.2vw,48px);line-height:1.2;letter-spacing:-.02em;
  margin:16px 0 18px;font-weight:700;overflow-wrap:anywhere;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--muted);}
.article-meta .dot{color:#BEB6A9;}
.share-row{display:flex;align-items:center;gap:10px;margin-top:22px;flex-wrap:wrap;}
.share-label{font-size:13px;color:var(--muted);letter-spacing:.08em;}
.share-btn{
  border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:13px;
  color:var(--muted);background:#fff;transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.share-btn:hover{border-color:var(--primary);color:var(--primary);background:#FBEDE6;}
.hero-thumb{
  margin:0;border-radius:12px;overflow:hidden;border:1px solid var(--line);
  aspect-ratio:4/3;background:#EFE8DE;
}
.hero-thumb img{width:100%;height:100%;object-fit:cover;}
/* 摘要 */
.summary-card{
  background:#FBEDE6;border-left:3px solid var(--primary);
  border-radius:0 12px 12px 0;padding:30px 34px;
}
.summary-title{
  font-family:"Noto Serif SC","Songti SC","SimSun",serif;
  font-size:clamp(20px,2.4vw,26px);margin:0 0 14px;line-height:1.3;color:#3A2A22;
}
.summary-lead{margin:0 0 16px;font-size:16.5px;line-height:1.85;color:#4A3B33;}
.summary-list{margin:0;padding-left:1.2em;color:#4A3B33;font-size:15.5px;line-height:1.8;}
.summary-list li{margin-bottom:6px;}
.summary-list li:last-child{margin-bottom:0;}
/* 正文布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;}
.article-main{min-width:0;}
.article-body{font-size:17px;line-height:1.85;color:#2A2824;max-width:820px;}
.article-body > :first-child{margin-top:0;}
.article-body h2{
  font-family:"Noto Serif SC","Songti SC","SimSun",serif;
  font-size:clamp(23px,3vw,30px);line-height:1.3;letter-spacing:-.01em;
  margin:2em 0 .7em;padding-top:1.1em;border-top:1px solid var(--line);
}
.article-body h3{font-size:20px;line-height:1.4;margin:1.7em 0 .6em;font-weight:700;}
.article-body h4{font-size:17px;margin:1.4em 0 .5em;font-weight:700;}
.article-body p{margin:0 0 1.1em;}
.article-body strong{font-weight:700;color:var(--ink);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em;}
.article-body li{margin-bottom:.5em;}
.article-body a{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--primary);}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;border-left:3px solid var(--primary);
  background:#FBEDE6;border-radius:0 8px 8px 0;color:#4A3B33;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-lg);margin:1.5em auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top;}
.article-body th{background:#F2ECE3;font-weight:700;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0;}
.article-body code{background:#EFE8DE;padding:2px 6px;border-radius:4px;font-size:.92em;}
/* 侧栏目录 */
.article-aside{position:sticky;top:104px;display:flex;flex-direction:column;gap:18px;}
.toc{border:1px solid var(--line);background:var(--surface);border-radius:var(--radius-lg);padding:20px;}
.toc-head{font-weight:700;font-size:15px;letter-spacing:.06em;margin-bottom:12px;color:var(--ink);}
.toc-links{display:flex;flex-direction:column;}
.toc-links a{
  padding:9px 10px;font-size:14px;color:var(--muted);
  border-left:2px solid transparent;border-radius:0 6px 6px 0;
  transition:color .18s ease,background-color .18s ease,border-color .18s ease;
}
.toc-links a:hover{color:var(--primary-dark);background:#FBEDE6;}
.toc-links a.is-active{color:var(--primary-dark);border-left-color:var(--primary);background:#FBEDE6;font-weight:600;}
.aside-note{border:1px solid #C3D4CC;background:#EEF2EF;border-radius:var(--radius-lg);padding:20px;}
.aside-note p{font-size:14px;line-height:1.75;color:#3C4A45;margin:10px 0 12px;}
/* 空态 */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-lg);background:var(--surface);
  padding:48px 32px;text-align:center;
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;background:#FBEDE6;color:var(--primary);
}
.empty-state p{color:var(--muted);margin:8px auto 20px;max-width:44ch;font-size:15.5px;}
.empty-title{font-family:"Noto Serif SC","Songti SC","SimSun",serif;font-size:24px;margin:0;color:var(--ink);}
/* 作者卡 */
.author-card{display:flex;gap:22px;border:1px solid var(--line);background:var(--surface);border-radius:var(--radius-lg);padding:30px 34px;}
.author-avatar{
  width:64px;height:64px;flex:none;border-radius:50%;background:var(--ink);color:#F7F3EC;
  display:flex;align-items:center;justify-content:center;
  font-family:"Noto Serif SC","Songti SC","SimSun",serif;font-size:24px;
}
.author-body{min-width:0;}
.author-body h2{font-family:"Noto Serif SC","Songti SC","SimSun",serif;font-size:clamp(21px,2.6vw,27px);line-height:1.32;margin:4px 0 10px;}
.author-body p{margin:0 0 14px;color:var(--muted);font-size:15.5px;line-height:1.8;}
.author-meta{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px;color:var(--muted);}
/* 相关推荐 */
.section-head{max-width:720px;margin-bottom:38px;}
.section-head h2{
  font-family:"Noto Serif SC","Songti SC","SimSun",serif;
  font-size:clamp(26px,3.4vw,38px);line-height:1.22;letter-spacing:-.02em;margin:0 0 12px;
}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;background:var(--surface);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.rel-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:0 12px 32px rgba(27,26,23,.06);}
.rel-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:#EFE8DE;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.02);}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;align-items:flex-start;}
.rel-body strong{font-size:17px;line-height:1.55;font-weight:700;overflow-wrap:anywhere;}
.rel-card:hover .rel-body strong{text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--primary);}
/* 继续阅读 */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:26px;}
.pager-card{
  border:1px solid var(--line);background:var(--surface);border-radius:var(--radius);
  padding:22px 24px;display:flex;flex-direction:column;gap:8px;
  transition:border-color .18s ease,background-color .18s ease,transform .18s ease;
}
.pager-card:hover{border-color:var(--primary);background:#fff;transform:translateY(-2px);}
.pager-label{font-size:13px;color:var(--primary);font-weight:600;letter-spacing:.08em;}
.pager-card strong{font-size:17px;line-height:1.55;font-weight:700;}
.pager-card span.pager-desc{font-size:14px;color:var(--muted);line-height:1.7;}
/* 安全提示 */
.safety-bar{
  background:#EEF2EF;border:1px solid #C3D4CC;border-radius:var(--radius-lg);
  padding:34px;display:grid;grid-template-columns:1fr 1.35fr;gap:32px;align-items:start;
}
.safety-left h2{
  font-family:"Noto Serif SC","Songti SC","SimSun",serif;
  font-size:clamp(22px,2.8vw,30px);line-height:1.28;margin:14px 0 0;color:#2C3A34;
}
.safety-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.safety-list li{position:relative;padding-left:26px;font-size:15px;line-height:1.8;color:#3C4A45;}
.safety-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;background:var(--secondary);
}
/* 页脚 */
.site-footer{background:var(--ink);color:#E8E1D6;padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .brand-main{color:#FFF9F3;font-size:20px;display:block;}
.footer-brand .brand-sub{color:#A9A196;display:block;margin-top:4px;}
.footer-desc{font-size:14px;line-height:1.8;color:#B6ADA1;margin:14px 0 18px;max-width:34ch;}
.footer-sub input{
  height:44px;border-radius:6px;border:1px solid #3A3730;background:#242220;
  color:#F7F3EC;padding:0 14px;font-size:14px;width:100%;outline:none;
}
.footer-sub input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(192,86,47,.22);}
.footer-sub button{
  height:44px;padding:0 18px;border-radius:6px;background:var(--primary);
  color:#FFF9F3;font-size:14px;font-weight:600;white-space:nowrap;
  transition:background-color .18s ease;
}
.footer-sub button:hover{background:var(--primary-dark);}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:#FFF9F3;margin:0 0 16px;font-weight:700;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#B6ADA1;}
.footer-col a:hover{color:#FFF9F3;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags a{
  font-size:13px;color:#C9C1B5;border:1px solid #3A3730;padding:5px 11px;border-radius:999px;
  transition:border-color .18s ease,color .18s ease;
}
.footer-tags a:hover{border-color:var(--primary);color:#FFF9F3;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid #33302A;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#91897D;
}
.footer-bottom a{color:#C9C1B5;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom a:hover{color:#FFF9F3;}
/* 触达动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s cubic-bezier(.2,.7,.2,1),transform .4s cubic-bezier(.2,.7,.2,1);}
.reveal.is-visible{opacity:1;transform:none;}
@media(max-width:1180px){
  .search-box{display:none;}
}
@media(max-width:1024px){
  .nav-links{display:none;}
  .menu-btn{display:inline-flex;}
  .nav-tools{gap:8px;}
  .article-hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-thumb{aspect-ratio:16/10;max-width:520px;}
  .article-layout{grid-template-columns:1fr;gap:32px;}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap;}
  .toc{flex:1 1 320px;}
  .aside-note{flex:1 1 280px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .safety-bar{grid-template-columns:1fr;gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media(max-width:768px){
  body{font-size:16px;}
  .section{padding:60px 0;}
  .section--tight{padding:44px 0;}
  .article-hero{padding:32px 0 34px;}
  .promo-text{font-size:12px;}
  .promo-right{display:none;}
  .summary-card{padding:22px 22px;}
  .author-card{flex-direction:column;padding:24px;gap:16px;}
  .pager{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .article-body table{display:block;overflow-x:auto;}
}
@media(max-width:640px){
  .container{padding:0 18px;}
  .nav-wrap{min-height:58px;gap:12px;}
  .brand-main{font-size:16px;}
  .brand-sub{display:none;}
  .nav-tools .btn--small{display:none;}
  .article-title{font-size:clamp(26px,7vw,34px);}
  .article-meta{font-size:13px;gap:8px;}
  .article-aside{flex-direction:column;}
  .safety-bar{padding:22px;}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
  .rel-card:hover,.pager-card:hover,.btn--primary:hover{transform:none;}
  .rel-card:hover .rel-thumb img{transform:none;}
}

/* roulang page: category1 */
:root{
  --bg:#F7F3EC;
  --surface:#FFFDF9;
  --ink:#1B1A17;
  --muted:#6F6A61;
  --primary:#C0562F;
  --primary-dark:#8F3B1F;
  --secondary:#4E6B62;
  --accent:#E9C7B7;
  --line:#DED6C9;
  --focus:#C0562F;
  --radius:8px;
  --radius-lg:12px;
  --shadow-soft:0 20px 60px rgba(27,26,23,.08);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Heiti SC",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;}
ul,ol{list-style:none;padding:0;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:16px;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{
  outline:2px solid var(--focus);outline-offset:2px;border-radius:4px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:92px 0;border-top:1px solid var(--line);}
.section--surface{background:var(--surface);}
.section--mint{background:#EEF2EF;}
.section--tight{padding:64px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.12em;color:var(--primary);font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--primary);display:inline-block;}
h2.section-title{
  font-family:"Noto Serif SC","Songti SC","SimSun",serif;
  font-size:clamp(28px,3.4vw,42px);
  font-weight:700;line-height:1.2;letter-spacing:-.02em;
}
.lead{font-size:17px;color:var(--muted);line-height:1.85;max-width:66ch;margin-top:14px;}
.muted{color:var(--muted);}
.section-head{margin-bottom:40px;max-width:820px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:16px;font-weight:600;line-height:1;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--primary);color:#FFF9F3;}
.btn--primary:hover{background:var(--primary-dark);transform:translateY(-1px);}
.btn--primary:active{transform:translateY(0) scale(.99);}
.btn--ghost{background:transparent;color:var(--ink);border:1px solid var(--ink);border-radius:4px;}
.btn--ghost:hover{background:var(--ink);color:#FFF9F3;}
.btn--ghost:active{transform:translateY(1px);}
.btn--small{height:40px;padding:0 18px;font-size:14px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:13px;font-weight:600;
  border:1px solid var(--line);background:#fff;color:var(--muted);line-height:1.5;
}
.badge--primary{background:#FBEDE6;border-color:#E7B7A2;color:var(--primary-dark);}
.badge--mint{background:#E7EEEA;border-color:#C3D4CC;color:var(--secondary);}

/* 顶部促销条 + 主导航 */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);}
.promo-bar{background:var(--ink);color:#EFE7DC;}
.promo-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;}
.promo-left{display:flex;align-items:center;gap:8px;font-size:13px;color:#E4DACB;margin:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;}
.promo-dot{width:6px;height:6px;border-radius:50%;background:var(--primary);flex:none;box-shadow:0 0 0 3px rgba(192,86,47,.25);}
.promo-right{display:flex;gap:16px;flex:none;}
.promo-right a{color:#DCD3C7;font-size:13px;}
.promo-right a:hover{color:#fff;}
.nav-bar{background:var(--surface);}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:76px;}
.brand{display:flex;flex-direction:column;gap:2px;flex:none;}
.brand-main{
  font-family:"Noto Serif SC","Songti SC","SimSun",serif;
  font-size:clamp(15px,1.5vw,19px);font-weight:700;letter-spacing:-.01em;line-height:1.2;color:var(--ink);
}
.brand-sub{font-size:11px;letter-spacing:.18em;color:var(--muted);line-height:1.2;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-links a{position:relative;padding:10px 11px;font-size:15px;color:var(--muted);font-weight:500;white-space:nowrap;}
.nav-links a::after{
  content:"";position:absolute;left:11px;right:11px;bottom:4px;height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--ink);font-weight:700;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 14px;
  border:1px solid var(--line);border-radius:999px;background:#fff;min-width:210px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(192,86,47,.14);}
.search-box svg{flex:none;color:var(--muted);}
.search-box input{border:none;outline:none;background:transparent;width:100%;font-size:14px;color:var(--ink);}
.search-box input::placeholder{color:#9C968C;font-size:13px;}
.icon-btn{
  width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:50%;color:var(--ink);background:#fff;
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.icon-btn:hover{border-color:var(--primary);color:var(--primary);}
.menu-btn{display:none;width:42px;height:42px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;background:#fff;}
.menu-btn:hover{border-color:var(--primary);color:var(--primary);}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(27,26,23,.45);opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:80;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(86vw,360px);background:var(--surface);z-index:90;
  transform:translateX(102%);transition:transform .28s cubic-bezier(.2,.7,.2,1);
  display:flex;flex-direction:column;padding:22px;overflow-y:auto;box-shadow:-20px 0 60px rgba(27,26,23,.18);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:18px;}
.drawer .search-box{min-width:0;width:100%;}
.drawer-nav{display:flex;flex-direction:column;margin-top:18px;}
.drawer-nav a{padding:12px 4px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink);}
.drawer-nav a:hover{color:var(--primary);}
.drawer-nav a.is-active{color:var(--primary);font-weight:700;}
.drawer-cta{margin-top:22px;display:flex;flex-direction:column;gap:10px;}

/* 分类头部 */
.cat-hero{padding:40px 0 0;background:var(--bg);}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;flex-wrap:wrap;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span[aria-current]{color:var(--ink);font-weight:600;}
.cat-title{
  font-family:"Noto Serif SC","Songti SC","SimSun",serif;
  font-size:clamp(30px,4.2vw,50px);font-weight:700;line-height:1.18;letter-spacing:-.03em;max-width:16em;
}
.cat-lead{margin-top:18px;font-size:17px;color:var(--muted);line-height:1.85;max-width:70ch;}
.cat-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.cat-banner{margin-top:36px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:#EFE7DC;}
.cat-banner img{width:100%;aspect-ratio:21/7;object-fit:cover;}

/* 筛选条 */
.filter-section{padding:28px 0;border-top:none;border-bottom:1px solid var(--line);background:var(--surface);}
.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.chips{display:flex;gap:10px;flex-wrap:wrap;}
.chip{
  height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--muted);font-weight:500;
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.chip:hover{border-color:var(--primary);color:var(--primary-dark);}
.chip.is-on{border-color:var(--primary);background:#FBEDE6;color:var(--primary-dark);font-weight:700;}
.filter-tools{display:flex;align-items:center;gap:10px;}
.filter-tools .search-box{min-width:220px;}
.sort-select{
  height:42px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);
  padding:0 16px;font-size:14px;outline:none;transition:border-color .18s ease,box-shadow .18s ease;
}
.sort-select:hover{border-color:var(--primary);}
.sort-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(192,86,47,.14);}

/* 列表 */
.post-list{display:flex;flex-direction:column;gap:20px;}
.post-row{
  display:grid;grid-template-columns:270px 1fr;gap:24px;padding:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.post-row:hover{border-color:var(--primary);box-shadow:0 10px 30px rgba(27,26,23,.06);}
.post-thumb{display:block;border-radius:var(--radius);overflow:hidden;background:#EFE7DC;aspect-ratio:16/10;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.post-row:hover .post-thumb img{transform:scale(1.03);}
.post-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px;}
.post-tag{
  display:inline-flex;align-items:center;padding:3px 11px;border-radius:999px;
  background:#E7EEEA;border:1px solid #C3D4CC;color:var(--secondary);font-size:12px;font-weight:600;
}
.post-date{font-size:13px;color:var(--muted);}
.post-title{font-size:21px;font-weight:650;line-height:1.4;letter-spacing:-.01em;}
.post-title a{background-image:linear-gradient(var(--primary),var(--primary));background-size:0 1px;background-repeat:no-repeat;background-position:0 100%;transition:background-size .22s ease,color .18s ease;}
.post-title a:hover{color:var(--primary-dark);background-size:100% 1px;}
.post-excerpt{margin-top:10px;font-size:15.5px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-link{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:14px;font-weight:600;color:var(--primary-dark);}
.post-link::after{content:"→";transition:transform .18s ease;}
.post-link:hover::after{transform:translateX(3px);}
.list-more{display:flex;justify-content:center;margin-top:36px;}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;
  padding:56px 24px;border:1px dashed var(--line);border-radius:var(--radius-lg);background:var(--surface);
}
.empty-state svg{color:var(--muted);}
.empty-title{font-size:17px;font-weight:700;}
.empty-note{font-size:15px;color:var(--muted);}

/* 精选专题 */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.topic-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;transition:border-color .18s ease,transform .18s ease;
}
.topic-card:hover{border-color:var(--primary);transform:translateY(-2px);}
.topic-media{aspect-ratio:16/10;overflow:hidden;background:#EFE7DC;}
.topic-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.topic-card:hover .topic-media img{transform:scale(1.03);}
.topic-body{padding:20px;display:flex;flex-direction:column;gap:10px;}
.topic-title{font-size:18px;font-weight:650;line-height:1.45;}
.topic-desc{font-size:14.5px;color:var(--muted);line-height:1.75;}
.topic-card a.topic-title:hover{color:var(--primary-dark);}

/* 分类说明 */
.narrow{max-width:820px;}
.about-text p{font-size:16.5px;color:#4A463E;line-height:1.9;margin-top:18px;}
.about-text p:first-of-type{margin-top:24px;}

/* FAQ */
.faq-list{border-top:1px solid var(--line);margin-top:8px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px 22px 16px;text-align:left;font-size:17px;font-weight:600;line-height:1.5;
  position:relative;transition:color .18s ease;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:2px;background:var(--primary);
  transform:scaleY(0);transform-origin:top;transition:transform .2s ease;
}
.faq-q[aria-expanded="true"]{color:var(--primary-dark);}
.faq-q[aria-expanded="true"]::before{transform:scaleY(1);}
.faq-icon{flex:none;width:22px;height:22px;position:relative;color:var(--primary);}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform .22s ease,opacity .22s ease;
}
.faq-icon::before{left:0;right:0;top:10px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:10px;width:2px;}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s cubic-bezier(.2,.7,.2,1);}
.faq-a-inner{padding:0 4px 24px 16px;font-size:15.5px;color:var(--muted);line-height:1.85;max-width:74ch;}

/* 相关推荐 */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.rel-card{
  padding:24px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);
  display:flex;flex-direction:column;gap:10px;transition:border-color .18s ease,transform .18s ease;
}
.rel-card:hover{border-color:var(--primary);transform:translateY(-2px);}
.rel-title{font-size:17px;font-weight:650;line-height:1.5;}
.rel-desc{font-size:14.5px;color:var(--muted);line-height:1.75;}

/* 订阅条 */
.sub-bar{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:32px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);
}
.sub-bar h2{font-family:"Noto Serif SC","Songti SC",serif;font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3;}
.sub-bar p{font-size:15px;color:var(--muted);margin-top:8px;}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;}
.sub-form input{
  height:48px;min-width:250px;padding:0 18px;border:1px solid var(--line);border-radius:999px;
  background:#fff;outline:none;transition:border-color .18s ease,box-shadow .18s ease;
}
.sub-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(192,86,47,.14);}
.form-note{font-size:13px;color:var(--secondary);margin-top:10px;min-height:20px;}

/* 安全提示 */
.safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px;}
.safety-item{
  padding:24px;border:1px solid #C3D4CC;border-radius:var(--radius-lg);background:var(--surface);
  display:flex;flex-direction:column;gap:10px;
}
.safety-item svg{color:var(--secondary);}
.safety-item h3{font-size:17px;font-weight:650;}
.safety-item p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* 页脚 */
.site-footer{background:var(--ink);color:#E7DED1;padding:72px 0 28px;border-top:none;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand .brand-main{display:block;color:#FFF9F3;font-size:19px;}
.footer-brand .brand-sub{display:block;color:#A9A196;margin-top:6px;}
.footer-desc{margin-top:16px;font-size:14.5px;line-height:1.85;color:#B7AFA2;max-width:38ch;}
.footer-sub{margin-top:20px;}
.footer-sub form{display:flex;gap:8px;width:100%;}
.footer-sub input{
  flex:1;height:44px;padding:0 16px;border-radius:999px;border:1px solid #3A3833;background:#242320;
  color:#F0E9DE;outline:none;font-size:14px;transition:border-color .18s ease;
}
.footer-sub input:focus{border-color:var(--primary);}
.footer-sub button{
  height:44px;padding:0 20px;border-radius:999px;background:var(--primary);color:#FFF9F3;
  font-size:14px;font-weight:600;transition:background-color .18s ease,transform .18s ease;
}
.footer-sub button:hover{background:var(--primary-dark);transform:translateY(-1px);}
.footer-col h4{font-size:14px;letter-spacing:.1em;color:#FFF9F3;margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14.5px;color:#B7AFA2;}
.footer-col ul a:hover{color:#FFF9F3;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags a{
  font-size:13px;color:#CFC5B7;border:1px solid #3A3833;border-radius:999px;padding:5px 12px;
  transition:border-color .18s ease,color .18s ease;
}
.footer-tags a:hover{border-color:var(--primary);color:#FFF9F3;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;border-top:1px solid #3A3833;font-size:13px;color:#948C80;
}
.footer-bottom a{color:#B7AFA2;}
.footer-bottom a:hover{color:#FFF9F3;}

/* 动效 */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s cubic-bezier(.2,.7,.2,1);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{transform:none;transition:opacity .3s ease;}
  .post-row:hover .post-thumb img,.topic-card:hover .topic-media img{transform:none;}
  .btn--primary:hover,.btn--ghost:hover,.topic-card:hover,.rel-card:hover{transform:none;}
}

/* 响应式 */
@media (max-width:1180px){
  .nav-links a{padding:10px 8px;font-size:14px;}
  .search-box{min-width:180px;}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:32px;}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .menu-btn{display:inline-flex;}
  .search-box{min-width:0;width:200px;}
  .post-row{grid-template-columns:220px 1fr;}
  .topic-grid{grid-template-columns:1fr 1fr;}
  .safety-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .section{padding:64px 0;}
  .cat-hero{padding:28px 0 0;}
  .search-box{display:none;}
  .drawer .search-box{display:flex;}
  .nav-wrap{min-height:58px;gap:12px;}
  .nav-tools .btn--primary{padding:0 14px;font-size:13px;height:38px;}
  .cat-banner img{aspect-ratio:16/9;}
  .post-row{grid-template-columns:1fr;gap:16px;padding:16px;}
  .post-title{font-size:19px;}
  .topic-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .sub-bar{padding:24px;}
  .sub-form input{min-width:0;width:100%;}
  .sub-form{width:100%;}
  .sub-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .promo-left{font-size:12px;}
  .promo-right a:first-child{display:none;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .cat-title{font-size:26px;}
  .cat-lead{font-size:15.5px;}
  .chip{height:34px;padding:0 13px;font-size:13px;}
  .filter-tools{width:100%;}
  .filter-tools .search-box{display:none;}
  .sort-select{width:100%;}
  .faq-q{font-size:15.5px;padding:18px 4px 18px 14px;}
  .footer-sub form{flex-direction:column;}
  .footer-sub button{width:100%;}
}