/* roulang page: index */
:root{
  --ink:#123B36;
  --ink-2:#1F5E55;
  --accent:#E1793A;
  --accent-deep:#C96A2F;
  --sand:#F5F1E9;
  --bg:#FBFAF7;
  --card:#FFFFFF;
  --line:#E5E0D6;
  --text:#151A18;
  --muted:#5F6B67;
  --ok:#2F7D5B;
  --warn:#B4791F;
  --radius-card:10px;
  --radius-btn:6px;
  --radius-img:8px;
  --shadow-card:0 1px 2px rgba(18,59,54,.04);
  --shadow-hover:0 8px 24px rgba(18,59,54,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--accent);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;color:var(--ink);}
p{margin:0 0 18px;}
::selection{background:rgba(225,121,58,.22);color:var(--ink);}
:focus-visible{outline:2px solid var(--ink-2);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}
@media (min-width:1024px){.container{padding:0 40px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,250,247,.95);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease),background .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(18,59,54,.08);}
.header-top{display:flex;align-items:center;height:64px;transition:height .22s var(--ease);}
.site-header.is-scrolled .header-top{height:56px;}
.header-top-inner{display:flex;align-items:center;gap:20px;width:100%;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:8px;
  background:var(--ink);color:#fff;font-size:15px;font-weight:800;letter-spacing:.02em;
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;}
.brand:hover .brand-text{color:var(--ink-2);}
.search-box{flex:1 1 auto;max-width:340px;margin-left:12px;position:relative;}
.search-box input{
  width:100%;height:40px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;padding:0 40px 0 14px;font-size:14px;color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box input::placeholder{color:var(--muted);}
.search-box input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(31,94,85,.12);}
.search-box .search-icon{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:14px;}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:none;}
.trend-link{font-size:14px;color:var(--muted);}
.trend-link:hover{color:var(--ink);}
.header-channels{border-top:1px solid var(--line);}
.channels-inner{display:flex;align-items:center;gap:24px;height:44px;transition:height .22s var(--ease);}
.site-header.is-scrolled .channels-inner{height:40px;}
.channel-nav{display:flex;align-items:center;gap:22px;overflow-x:auto;scrollbar-width:none;}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;font-size:14px;color:var(--muted);white-space:nowrap;padding:11px 0;
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.channel-link:hover{color:var(--ink);}
.channel-link:hover::after,.channel-link.is-active::after{transform:scaleX(1);}
.channel-link.is-active{color:var(--ink);font-weight:700;}
.hot-words{display:flex;align-items:center;gap:10px;margin-left:auto;flex:none;}
.hot-word{
  font-size:12px;color:var(--muted);background:var(--sand);border-radius:999px;padding:4px 10px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.hot-word:hover{background:var(--ink);color:#fff;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);}
.drawer{
  position:fixed;inset:0;background:#fff;z-index:60;padding:20px;
  transform:translateX(100%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;
  font-size:18px;color:var(--ink);cursor:pointer;line-height:1;
}
.drawer-group{border-top:1px solid var(--line);padding-top:14px;display:flex;flex-direction:column;gap:2px;}
.drawer-group-title{font-size:12px;color:var(--muted);letter-spacing:.08em;margin-bottom:6px;}
.drawer-link{padding:13px 0;font-size:15px;border-bottom:1px solid var(--line);}
.drawer-link:last-child{border-bottom:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);padding:12px 22px;font-size:14px;font-weight:700;
  border:1px solid transparent;cursor:pointer;min-height:44px;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn .arrow{transition:transform .22s var(--ease);}
.btn:hover .arrow{transform:translateX(4px);}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-deep);color:#fff;}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-light:hover{background:#fff;color:var(--ink);}
.btn-block{width:100%;}
.btn[disabled]{opacity:.4;pointer-events:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--ink);}
.link-arrow .arrow{transition:transform .22s var(--ease);}
.link-arrow:hover{color:var(--accent);}
.link-arrow:hover .arrow{transform:translateX(4px);}

/* ---------- 通用区块 ---------- */
.section{padding:64px 0;border-bottom:1px solid var(--line);}
.section-tight{padding:48px 0;}
.section-sand{background:var(--sand);}
.section-ink{background:var(--ink);border-bottom:none;color:rgba(255,255,255,.86);}
.section-ink h2,.section-ink h3{color:#fff;}
.section-head{max-width:760px;margin-bottom:32px;}
.section-label{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.12em;
  color:var(--accent);margin-bottom:10px;text-transform:uppercase;
}
.section-label::before{content:"";width:2px;height:18px;background:var(--accent);display:inline-block;}
.section-title{font-size:clamp(1.5rem,3vw,2.25rem);font-weight:800;letter-spacing:-.02em;}
.section-desc{margin-top:14px;font-size:15px;color:var(--muted);line-height:1.9;}
.section-ink .section-desc{color:rgba(255,255,255,.72);}
.grid{display:grid;gap:24px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}

/* ---------- Hero ---------- */
.hero{position:relative;padding:56px 0 0;border-bottom:1px solid var(--line);background:var(--bg);}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(229,224,214,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(229,224,214,.5) 1px,transparent 1px);
  background-size:24px 24px;opacity:.5;
}
.hero > .container{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:start;padding-bottom:48px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);
  background:var(--sand);border:1px solid var(--line);border-radius:999px;padding:5px 14px;margin-bottom:18px;
}
.hero h1{
  font-size:clamp(2rem,5vw,3.5rem);font-weight:900;letter-spacing:-.02em;line-height:1.15;
}
.hero-sub{margin-top:16px;font-size:17px;color:var(--muted);max-width:520px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;margin-top:28px;padding-top:20px;border-top:1px solid var(--line);}
.trust-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.trust-dot{width:8px;height:8px;border-radius:2px;background:var(--accent);flex:none;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);
  border:1px solid var(--line);background:var(--sand);
  animation:heroFade .6s var(--ease) both;
}
@keyframes heroFade{from{opacity:0;transform:scale(1.02);}to{opacity:1;transform:scale(1);}}
.hero-badge{
  position:absolute;right:14px;bottom:14px;background:rgba(18,59,54,.86);color:#fff;
  font-size:12px;letter-spacing:.1em;border-radius:4px;padding:4px 10px;
}
.hero-stats{
  margin-top:16px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;overflow:hidden;
}
.hero-stat{padding:14px 16px;border-right:1px solid var(--line);}
.hero-stat:last-child{border-right:none;}
.hero-stat b{display:block;font-size:20px;font-weight:800;color:var(--ink);}
.hero-stat span{font-size:12px;color:var(--muted);}

/* ---------- 痛点卡 ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.pain-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 22px 18px;box-shadow:var(--shadow-card);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.pain-card:hover{border-color:var(--ink-2);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.pain-card .num{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.08em;}
.pain-card h3{font-size:1.1rem;font-weight:700;margin:10px 0 8px;}
.pain-card p{font-size:14px;color:var(--muted);margin-bottom:12px;}

/* ---------- 方案区 ---------- */
.plan-grid{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:stretch;}
.plan-main{
  background:var(--ink);color:rgba(255,255,255,.84);border-radius:var(--radius-card);
  padding:26px;display:flex;flex-direction:column;gap:16px;
}
.plan-main h3{color:#fff;font-size:1.3rem;font-weight:800;}
.plan-main .plan-num{font-size:13px;letter-spacing:.12em;color:var(--accent);font-weight:800;}
.plan-main p{font-size:14px;margin:0;color:rgba(255,255,255,.78);}
.plan-main img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);margin-top:4px;}
.plan-points{display:flex;flex-direction:column;gap:8px;font-size:14px;}
.plan-points li{display:flex;gap:8px;align-items:flex-start;}
.plan-points li::before{content:"";width:6px;height:6px;border-radius:1px;background:var(--accent);margin-top:9px;flex:none;}
.plan-side{display:flex;flex-direction:column;gap:24px;}
.plan-bar{
  display:grid;grid-template-columns:200px 1fr;gap:20px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);flex:1;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.plan-bar:hover{border-color:var(--ink-2);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.plan-bar img{width:100%;height:100%;min-height:170px;object-fit:cover;background:var(--sand);}
.plan-bar-body{padding:20px 22px;display:flex;flex-direction:column;gap:10px;}
.plan-bar-body h3{font-size:1.1rem;font-weight:700;}
.plan-bar-body p{font-size:14px;color:var(--muted);margin:0;}

/* ---------- 数据区 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:rgba(255,255,255,.16);margin-top:8px;}
.stat-cell{background:var(--ink);padding:26px 20px;}
.stat-cell b{display:block;font-size:clamp(2rem,3vw,3rem);font-weight:800;color:var(--accent);line-height:1.1;}
.stat-cell b small{font-size:15px;font-weight:700;color:rgba(255,255,255,.8);margin-left:4px;}
.stat-cell span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.72);}

/* ---------- 咨询条 ---------- */
.consult-bar{
  background:var(--sand);border:1px solid var(--line);border-radius:var(--radius-card);
  min-height:72px;display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  padding:14px 22px;margin:0 auto;
}
.consult-bar p{margin:0;font-size:14px;color:var(--muted);}
.consult-bar strong{color:var(--ink);font-weight:800;}
.consult-bar .btn{margin-left:auto;}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);height:100%;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.news-card:hover{border-color:var(--ink-2);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.news-card.is-feature{grid-column:span 2;}
.news-thumb{position:relative;background:var(--sand);}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-card.is-feature .news-thumb img{aspect-ratio:16/7;}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);}
.badge{
  display:inline-block;background:var(--sand);color:var(--ink);border-radius:999px;
  padding:3px 10px;font-size:12px;font-weight:700;
}
.news-body h3{font-size:1.05rem;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body p{font-size:14px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;padding-top:6px;display:flex;align-items:center;justify-content:space-between;}
.news-empty{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 20px;border:1px dashed var(--line);border-radius:var(--radius-card);background:#fff;text-align:center;
}
.news-empty p{font-size:14px;color:var(--muted);margin:0;}
.geo-icon{width:44px;height:44px;border:1px solid var(--line);border-radius:8px;position:relative;}
.geo-icon::before{content:"";position:absolute;inset:10px;border:1px solid var(--ink-2);border-radius:3px;}
.geo-icon::after{content:"";position:absolute;left:50%;top:50%;width:8px;height:8px;transform:translate(-50%,-50%) rotate(45deg);background:var(--accent);}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;background:none;border:none;cursor:pointer;
  text-align:left;padding:0;min-height:52px;font-size:15px;font-weight:700;color:var(--ink);
}
.faq-q .faq-idx{font-size:13px;color:var(--accent);font-weight:800;flex:none;width:26px;}
.faq-q .faq-sign{margin-left:auto;flex:none;font-size:18px;color:var(--muted);transition:transform .26s var(--ease);}
.faq-item.is-open .faq-sign{transform:rotate(90deg);color:var(--accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
.faq-a-inner{padding:4px 0 18px 40px;font-size:14px;color:var(--muted);line-height:1.9;}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:rgba(255,255,255,.82);padding:44px 0;}
.cta-band h2{color:#fff;font-size:clamp(1.4rem,2.6vw,2rem);font-weight:800;}
.cta-band p{margin:12px 0 20px;font-size:15px;color:rgba(255,255,255,.72);max-width:620px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg);padding:52px 0 22px;border-top:1px solid var(--line);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand .brand{margin-bottom:12px;}
.footer-brand p{font-size:14px;color:var(--muted);margin:0;max-width:280px;}
.footer-title{font-size:13px;font-weight:800;color:var(--ink);letter-spacing:.06em;margin-bottom:12px;}
.footer-links{display:flex;flex-direction:column;gap:9px;}
.footer-links a{font-size:14px;color:var(--muted);}
.footer-links a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.footer-contact{font-size:14px;color:var(--muted);display:flex;flex-direction:column;gap:9px;}
.footer-contact strong{color:var(--ink);}
.footer-bottom{
  margin-top:34px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:var(--muted);
}
.privacy-line{margin-top:16px;font-size:12.5px;color:var(--muted);line-height:1.9;border-top:1px solid var(--line);padding-top:14px;}

/* ---------- 弹层 ---------- */
.modal-mask{
  position:fixed;inset:0;background:rgba(18,59,54,.55);z-index:80;
  display:flex;align-items:center;justify-content:center;padding:20px;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.modal-mask.is-open{opacity:1;visibility:visible;}
.modal-panel{
  position:relative;width:100%;max-width:520px;background:#fff;border-radius:var(--radius-card);
  padding:26px 24px 22px;max-height:90vh;overflow-y:auto;
  transform:translateY(12px);transition:transform .24s var(--ease);
}
.modal-mask.is-open .modal-panel{transform:translateY(0);}
.modal-panel h2{font-size:1.15rem;font-weight:800;}
.modal-panel .modal-desc{margin:8px 0 18px;font-size:14px;color:var(--muted);}
.modal-close{
  position:absolute;right:12px;top:12px;width:36px;height:36px;border:1px solid var(--line);
  border-radius:var(--radius-btn);background:#fff;cursor:pointer;color:var(--ink);font-size:16px;line-height:1;
}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;
  padding:10px 14px;min-height:44px;font-size:14px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:88px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(31,94,85,.14);
}
.field.has-error input,.field.has-error select{border-color:var(--warn);}
.field-error{display:none;margin-top:6px;font-size:12px;color:var(--warn);}
.field.has-error .field-error{display:block;}
.form-note{font-size:12.5px;color:var(--muted);line-height:1.8;margin:12px 0 0;}
.form-note a{text-decoration:underline;text-underline-offset:3px;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .search-box,.hot-words{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .plan-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-card.is-feature{grid-column:span 2;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  .channel-nav{gap:18px;}
  .pain-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .news-card.is-feature{grid-column:span 1;}
  .plan-bar{grid-template-columns:1fr;}
  .plan-bar img{min-height:0;aspect-ratio:16/9;height:auto;}
  .footer-grid{grid-template-columns:1fr;}
  .consult-bar .btn{margin-left:0;width:100%;}
  .faq-a-inner{padding-left:0;}
  .hero-stats{grid-template-columns:1fr;}
  .hero-stat{border-right:none;border-bottom:1px solid var(--line);}
  .hero-stat:last-child{border-bottom:none;}
  .cta-band .btn{width:100%;}
}

/* roulang page: category1 */
:root{
    --ink:#123B36;
    --ink-2:#1F5E55;
    --accent:#E1793A;
    --accent-dark:#C96A2F;
    --sand:#F5F1E9;
    --bg:#FBFAF7;
    --card:#FFFFFF;
    --line:#E5E0D6;
    --text:#151A18;
    --muted:#5F6B67;
    --ok:#2F7D5B;
    --warn:#B4791F;
    --radius-card:10px;
    --radius-btn:6px;
    --shadow-card:0 1px 2px rgba(18,59,54,.04);
    --shadow-hover:0 8px 24px rgba(18,59,54,.10);
    --ease:cubic-bezier(.22,.61,.36,1);
    --maxw:1200px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  html body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
    font-size:16px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
    font-variant-numeric:tabular-nums;
    overflow-x:hidden;
  }
  img{display:block;max-width:100%;}
  a{color:var(--ink);text-decoration:none;transition:color 200ms var(--ease);}
  a:hover{color:var(--accent);}
  button{font-family:inherit;}
  ::selection{background:rgba(225,121,58,.22);color:var(--ink);}
  :focus-visible{outline:2px solid var(--ink-2);outline-offset:2px;border-radius:4px;}
  ::-webkit-scrollbar{width:10px;height:10px;}
  ::-webkit-scrollbar-thumb{background:#D9D3C6;border-radius:999px;border:3px solid var(--bg);}
  ::-webkit-scrollbar-track{background:var(--bg);}

  .container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
  @media (min-width:768px){.container{padding:0 32px;}}
  @media (min-width:1024px){.container{padding:0 40px;}}

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(251,250,247,.95);
    backdrop-filter:blur(6px);
    -webkit-backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
    transition:box-shadow 220ms var(--ease);
  }
  .site-header.is-scrolled{box-shadow:0 6px 20px rgba(18,59,54,.08);}
  .header-top{height:64px;transition:height 220ms var(--ease);}
  .site-header.is-scrolled .header-top{height:56px;}
  .header-top-inner{display:flex;align-items:center;gap:16px;height:100%;}
  .brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
  .brand-mark{
    display:inline-flex;align-items:center;justify-content:center;
    width:38px;height:38px;border-radius:8px;
    background:var(--ink);color:#fff;
    font-size:14px;font-weight:700;letter-spacing:.04em;
  }
  .brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
  .search-box{position:relative;flex:1 1 auto;max-width:340px;margin-left:auto;}
  .search-box input{
    width:100%;height:40px;padding:0 38px 0 14px;
    border:1px solid var(--line);border-radius:6px;background:#fff;
    font-size:14px;color:var(--text);transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
  }
  .search-box input::placeholder{color:var(--muted);}
  .search-box input:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(31,94,85,.12);outline:none;}
  .search-icon{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:16px;pointer-events:none;}
  .header-actions{display:flex;align-items:center;gap:10px;}
  .trend-link{font-size:14px;color:var(--muted);position:relative;}
  .trend-link:hover{color:var(--ink);}
  .header-channels{border-top:1px solid var(--line);}
  .channels-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:44px;}
  .channel-nav{display:flex;align-items:center;gap:22px;overflow-x:auto;scrollbar-width:none;}
  .channel-nav::-webkit-scrollbar{display:none;}
  .channel-link{
    display:inline-flex;align-items:center;height:44px;
    font-size:15px;color:var(--muted);white-space:nowrap;
    border-bottom:2px solid transparent;
    transition:color 200ms var(--ease),border-color 200ms var(--ease);
  }
  .channel-link:hover{color:var(--ink);}
  .channel-link.is-active{color:var(--ink);font-weight:700;border-bottom-color:var(--accent);}
  .hot-words{display:flex;align-items:center;gap:14px;flex:none;}
  .hot-word{font-size:13px;color:var(--muted);white-space:nowrap;}
  .hot-word:hover{color:var(--ink);border-bottom:2px solid var(--accent);}
  .nav-toggle{
    display:none;width:44px;height:44px;padding:0;border:1px solid var(--line);border-radius:6px;
    background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}

  /* 抽屉 */
  .nav-drawer{
    position:fixed;top:0;right:0;bottom:0;width:min(340px,88vw);
    background:#fff;z-index:80;padding:20px 20px 32px;overflow-y:auto;
    transform:translateX(102%);transition:transform 260ms var(--ease);
    box-shadow:-12px 0 32px rgba(18,59,54,.16);
  }
  .nav-drawer.is-open{transform:translateX(0);}
  .drawer-mask{
    position:fixed;inset:0;background:rgba(18,59,54,.45);z-index:70;
    opacity:0;pointer-events:none;transition:opacity 260ms var(--ease);
  }
  .drawer-mask.is-open{opacity:1;pointer-events:auto;}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line);}
  .drawer-title{font-size:16px;font-weight:700;color:var(--ink);}
  .drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:6px;background:#fff;font-size:20px;color:var(--ink);cursor:pointer;line-height:1;}
  .drawer-search{margin:18px 0 6px;}
  .drawer-search input{width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:6px;font-size:15px;}
  .drawer-group{padding:16px 0;border-bottom:1px solid var(--line);}
  .drawer-label{margin:0 0 10px;font-size:13px;color:var(--muted);}
  .drawer-link{display:flex;align-items:center;min-height:44px;font-size:16px;color:var(--ink);}
  .drawer-link.is-active{font-weight:700;color:var(--ink);}
  .drawer-link.is-active::before{content:"";width:3px;height:16px;background:var(--accent);margin-right:8px;border-radius:2px;}
  .drawer-cta{margin-top:20px;width:100%;}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:12px 22px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
    transition:background-color 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease);
    white-space:nowrap;
  }
  .btn-primary{background:var(--accent);color:#fff;}
  .btn-primary:hover{background:var(--accent-dark);color:#fff;}
  .btn-primary .arrow{display:inline-block;transition:transform 220ms var(--ease);}
  .btn-primary:hover .arrow{transform:translateX(4px);}
  .btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
  .btn-ghost:hover{background:var(--ink);color:#fff;}
  .btn-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
  .btn-light:hover{background:#fff;color:var(--ink);border-color:#fff;}
  .btn[disabled]{opacity:.4;pointer-events:none;}
  .link-more{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);
    border-bottom:1px solid transparent;transition:color 200ms var(--ease),border-color 200ms var(--ease);
  }
  .link-more span{transition:transform 220ms var(--ease);}
  .link-more:hover{color:var(--accent);border-bottom-color:var(--accent);}
  .link-more:hover span{transform:translateX(4px);}

  /* ============ 通用板块 ============ */
  .section{padding:64px 0;}
  .section-sand{background:var(--sand);}
  .section-line{border-top:1px solid var(--line);}
  .section-eyebrow{
    display:inline-flex;align-items:center;gap:10px;
    margin:0 0 12px;font-size:13px;letter-spacing:.08em;color:var(--muted);
  }
  .section-eyebrow .bar{display:inline-block;width:2px;height:18px;background:var(--accent);}
  .section-title{margin:0;font-size:clamp(1.5rem,3vw,2.25rem);font-weight:800;line-height:1.25;color:var(--ink);letter-spacing:-.01em;}
  .section-sub{margin:12px 0 0;font-size:16px;color:var(--muted);max-width:760px;}
  .section-num{font-size:13px;color:var(--accent);font-weight:700;letter-spacing:.1em;}

  /* ============ 分类页头部 ============ */
  .page-hero{
    padding:28px 0 48px;
    border-bottom:1px solid var(--line);
    background-color:var(--bg);
    background-image:
      linear-gradient(to right,rgba(229,224,214,.42) 1px,transparent 1px),
      linear-gradient(to bottom,rgba(229,224,214,.42) 1px,transparent 1px);
    background-size:24px 24px;
  }
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;flex-wrap:wrap;}
  .breadcrumb a{color:var(--muted);}
  .breadcrumb a:hover{color:var(--ink);}
  .breadcrumb .sep{color:#C6BFB2;}
  .page-hero-grid{display:grid;grid-template-columns:1fr;gap:28px;}
  @media (min-width:1024px){.page-hero-grid{grid-template-columns:7fr 5fr;gap:40px;align-items:center;}}
  .page-hero h1{
    margin:0 0 16px;font-size:clamp(2rem,5vw,3.25rem);font-weight:900;line-height:1.2;letter-spacing:-.02em;color:var(--ink);
  }
  .hero-lead{margin:0 0 20px;font-size:17px;color:var(--muted);max-width:600px;}
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
  .tag{
    display:inline-flex;align-items:center;min-height:34px;padding:5px 14px;border-radius:999px;
    background:var(--sand);color:var(--ink);font-size:13px;border:1px solid var(--line);
    transition:background-color 200ms var(--ease),color 200ms var(--ease);
  }
  .tag:hover{background:var(--ink);color:#fff;border-color:var(--ink);}
  .hero-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:var(--muted);}
  .hero-meta span{display:inline-flex;align-items:center;gap:6px;}
  .hero-meta i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);}
  .hero-figure{position:relative;margin:0;border-radius:8px;overflow:hidden;border:1px solid var(--line);background:var(--sand);}
  .hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .figure-badge{
    position:absolute;right:12px;bottom:12px;
    background:rgba(18,59,54,.88);color:#fff;font-size:12px;letter-spacing:.08em;
    padding:4px 10px;border-radius:999px;
  }

  /* ============ 3:9 布局 ============ */
  .layout-rail{display:grid;grid-template-columns:1fr;gap:32px;}
  @media (min-width:1024px){.layout-rail{grid-template-columns:minmax(0,260px) minmax(0,1fr);gap:40px;align-items:start;}}
  .rail{position:static;}
  @media (min-width:1024px){.rail{position:sticky;top:130px;}}
  .rail-nav{border:1px solid var(--line);border-radius:var(--radius-card);background:var(--card);padding:18px 16px;box-shadow:var(--shadow-card);}
  .rail-nav h2{margin:0 0 12px;font-size:13px;letter-spacing:.08em;color:var(--muted);font-weight:700;}
  .rail-nav a{display:flex;align-items:center;min-height:40px;font-size:15px;color:var(--text);border-bottom:1px solid var(--line);}
  .rail-nav a:last-child{border-bottom:0;}
  .rail-nav a:hover{color:var(--accent);}
  .rail-nav a .num{font-size:12px;color:var(--muted);margin-right:8px;min-width:18px;}
  .rail-card{margin-top:20px;background:var(--sand);border:1px solid var(--line);border-radius:var(--radius-card);padding:18px 16px;}
  .rail-card p{margin:0 0 14px;font-size:15px;color:var(--ink);font-weight:600;line-height:1.7;}
  .rail-card .btn{width:100%;}

  .content-col{display:flex;flex-direction:column;gap:40px;}

  /* 导语大图卡 */
  .lead-card{
    display:grid;grid-template-columns:1fr;gap:0;
    border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--card);
    box-shadow:var(--shadow-card);transition:box-shadow 220ms var(--ease),border-color 220ms var(--ease);
  }
  @media (min-width:768px){.lead-card{grid-template-columns:5fr 7fr;}}
  .lead-card:hover{border-color:var(--ink-2);box-shadow:var(--shadow-hover);}
  .lead-card-media{background:var(--sand);}
  .lead-card-media img{width:100%;height:100%;min-height:240px;object-fit:cover;}
  .lead-card-body{padding:26px 24px;}
  .lead-card-body h3{margin:0 0 12px;font-size:1.35rem;font-weight:800;color:var(--ink);line-height:1.35;}
  .lead-card-body p{margin:0 0 16px;color:var(--muted);font-size:15.5px;}
  .point-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;}
  .point-list li{position:relative;padding-left:16px;font-size:14.5px;color:var(--text);}
  .point-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;background:var(--accent);border-radius:2px;}

  /* 双列条目卡 */
  .entry-grid{display:grid;grid-template-columns:1fr;gap:20px;}
  @media (min-width:768px){.entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}}
  .entry-card{
    display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
    border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
    transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease),transform 220ms var(--ease);
  }
  .entry-card:hover{border-color:var(--ink-2);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
  .entry-card-media{background:var(--sand);}
  .entry-card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
  .entry-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .entry-card-body h3{margin:0;font-size:1.1rem;font-weight:700;color:var(--ink);line-height:1.4;}
  .entry-card-body p{margin:0;font-size:14.5px;color:var(--muted);}
  .entry-meta{font-size:13px;color:var(--muted);display:flex;gap:8px;align-items:center;}
  .entry-card-body .link-more{margin-top:auto;}

  /* 数据区 */
  .metrics{background:var(--ink);color:#fff;padding:56px 0;}
  .metrics-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:32px;}
  .metrics h2{margin:0;font-size:clamp(1.4rem,2.6vw,2rem);font-weight:800;color:#fff;}
  .metrics-head p{margin:0;font-size:14px;color:rgba(255,255,255,.68);max-width:420px;}
  .metrics-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;border-top:1px solid rgba(255,255,255,.18);padding-top:28px;}
  @media (min-width:900px){.metrics-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
  .metric-value{font-size:clamp(2rem,3vw,3rem);font-weight:800;color:var(--accent);line-height:1.1;font-variant-numeric:tabular-nums;}
  .metric-value small{font-size:1rem;color:rgba(255,255,255,.85);margin-left:4px;font-weight:600;}
  .metric-label{margin:10px 0 4px;font-size:15px;color:#fff;font-weight:600;line-height:1.6;}
  .metric-note{margin:0;font-size:13px;color:rgba(255,255,255,.6);}
  .metrics-foot{margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;gap:18px;justify-content:space-between;}
  .metrics-foot p{margin:0;font-size:14px;color:rgba(255,255,255,.72);max-width:620px;}

  /* 流程 */
  .flow-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line);}
  .flow-item{display:grid;grid-template-columns:auto 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--line);}
  @media (min-width:900px){.flow-item{grid-template-columns:120px 1fr 1.2fr;align-items:start;}}
  .flow-num{font-size:28px;font-weight:800;color:var(--accent);line-height:1;letter-spacing:-.02em;}
  .flow-item h3{margin:0;font-size:1.15rem;font-weight:700;color:var(--ink);line-height:1.5;}
  .flow-item p{margin:0;font-size:15px;color:var(--muted);}

  /* FAQ */
  .faq-list{border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:52px;padding:12px 0;background:none;border:0;cursor:pointer;text-align:left;
    font-size:16px;font-weight:700;color:var(--ink);transition:color 200ms var(--ease);
  }
  .faq-q:hover{color:var(--ink-2);}
  .faq-icon{flex:none;width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;color:var(--accent);transition:transform 240ms var(--ease);font-size:18px;}
  .faq-item.is-open .faq-icon{transform:rotate(90deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height 280ms var(--ease);}
  .faq-a-inner{padding:0 0 18px;font-size:15px;color:var(--muted);max-width:760px;}
  .faq-item.is-open .faq-a{max-height:320px;}

  /* CTA 带 */
  .cta-band{background:var(--ink);color:#fff;padding:48px 0;}
  .cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
  .cta-band h2{margin:0 0 8px;font-size:clamp(1.4rem,2.6vw,2rem);font-weight:800;color:#fff;}
  .cta-band p{margin:0;font-size:15px;color:rgba(255,255,255,.72);max-width:620px;}

  /* 弹层 */
  .modal{position:fixed;inset:0;z-index:90;display:none;}
  .modal.is-open{display:flex;align-items:center;justify-content:center;padding:24px;}
  .modal-mask{position:absolute;inset:0;background:rgba(18,59,54,.55);}
  .modal-panel{
    position:relative;z-index:2;width:100%;max-width:520px;max-height:88vh;overflow-y:auto;
    background:#fff;border-radius:10px;padding:28px 24px;box-shadow:0 24px 60px rgba(18,59,54,.3);
  }
  @media (max-width:640px){
    .modal.is-open{align-items:flex-end;padding:0;}
    .modal-panel{max-width:none;border-radius:10px 10px 0 0;max-height:92vh;padding:24px 20px 28px;}
  }
  .modal-close{position:absolute;right:12px;top:12px;width:44px;height:44px;border:0;background:transparent;font-size:22px;color:var(--muted);cursor:pointer;line-height:1;}
  .modal-close:hover{color:var(--ink);}
  .modal-title{margin:0 0 8px;font-size:1.25rem;font-weight:800;color:var(--ink);}
  .modal-sub{margin:0 0 20px;font-size:14px;color:var(--muted);}
  .field{margin-bottom:14px;}
  .field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;}
  .field input,.field select,.field textarea{
    width:100%;min-height:44px;padding:10px 14px;border:1px solid var(--line);border-radius:6px;
    background:#fff;font-size:15px;color:var(--text);font-family:inherit;
    transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
  }
  .field textarea{min-height:88px;line-height:1.7;resize:vertical;}
  .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(31,94,85,.12);outline:none;}
  .field.has-error input,.field.has-error select{border-color:var(--warn);}
  .field-error{display:none;margin-top:6px;font-size:12px;color:var(--warn);}
  .field.has-error .field-error{display:block;}
  .form-privacy{margin:12px 0 0;font-size:12.5px;color:var(--muted);line-height:1.7;}
  .form-privacy a{border-bottom:1px solid var(--line);}

  /* 页脚 */
  .site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:56px 0 24px;margin-top:0;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}}
  .footer-brand .brand-mark{background:var(--accent);color:#fff;}
  .footer-brand .brand-text{color:#fff;}
  .footer-brand p{margin:14px 0 0;font-size:14px;color:rgba(255,255,255,.66);max-width:320px;line-height:1.8;}
  .footer-title{margin:0 0 14px;font-size:15px;font-weight:700;color:#fff;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{font-size:14px;color:rgba(255,255,255,.78);text-decoration:underline;text-decoration-color:transparent;text-underline-offset:3px;transition:color 200ms var(--ease),text-decoration-color 200ms var(--ease);}
  .footer-links a:hover{color:#fff;text-decoration-color:var(--accent);}
  .footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;}
  .footer-contact strong{color:#fff;}
  .privacy-line{margin:32px 0 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(255,255,255,.6);line-height:1.8;}
  .footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:16px;font-size:13px;color:rgba(255,255,255,.6);}

  /* 滚动入场 */
  .js .reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms var(--ease),transform 520ms var(--ease);}
  .js .reveal.is-visible{opacity:1;transform:none;}

  @media (max-width:1023px){
    .search-box{display:none;}
    .trend-link{display:none;}
    .hot-words{display:none;}
    .nav-toggle{display:inline-flex;}
    .channels-inner{justify-content:flex-start;}
  }
  @media (max-width:520px){
    .header-top{height:58px;}
    .brand-text{font-size:15px;}
    .brand-mark{width:34px;height:34px;font-size:13px;}
    .btn{padding:11px 16px;font-size:14px;}
    .section{padding:48px 0;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;}
    html{scroll-behavior:auto;}
    .js .reveal{opacity:1;transform:none;}
  }

/* roulang page: article */
:root{
  --ink:#123B36;
  --ink-2:#1F5E55;
  --accent:#E1793A;
  --accent-deep:#C96A2F;
  --sand:#F5F1E9;
  --bg:#FBFAF7;
  --card:#FFFFFF;
  --line:#E5E0D6;
  --text:#151A18;
  --muted:#5F6B67;
  --ok:#2F7D5B;
  --warn:#B4791F;
  --radius-card:10px;
  --radius-btn:6px;
  --shadow-1:0 1px 2px rgba(18,59,54,.04);
  --shadow-2:0 8px 24px rgba(18,59,54,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--accent);}
button{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;}
::selection{background:rgba(225,121,58,.24);}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-thumb{background:#D8D2C5;border-radius:6px;}
::-webkit-scrollbar-track{background:var(--bg);}
:focus-visible{outline:2px solid var(--ink-2);outline-offset:2px;border-radius:4px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px;}}
@media (min-width:1024px){.container{padding-left:40px;padding-right:40px;}}

.grid-bg{
  background-image:linear-gradient(rgba(18,59,54,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(18,59,54,.045) 1px,transparent 1px);
  background-size:24px 24px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn .arrow{transition:transform .22s var(--ease);}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-deep);color:#fff;}
.btn-primary:hover .arrow{transform:translateX(4px);}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#fff;}
.btn-ink{background:var(--ink);color:#fff;}
.btn-ink:hover{background:var(--ink-2);color:#fff;}
.btn-ghost{background:transparent;color:var(--ink);padding:0;height:auto;}
.btn-ghost:hover{color:var(--accent);}
.btn[disabled]{opacity:.4;pointer-events:none;}

/* ============ 页头 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,250,247,.95);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(18,59,54,.08);}
.header-top-inner{
  display:flex;align-items:center;gap:20px;height:64px;
  transition:height .24s var(--ease);
}
.site-header.is-scrolled .header-top-inner{height:56px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:8px;background:var(--ink);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:800;letter-spacing:.02em;
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
.brand:hover .brand-text{color:var(--ink-2);}
.search-box{position:relative;flex:1 1 auto;max-width:320px;margin-left:auto;}
.search-box input{
  width:100%;height:40px;border:1px solid var(--line);border-radius:6px;
  background:var(--card);color:var(--text);
  padding:0 38px 0 14px;font-size:14px;line-height:1.5;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box input::placeholder{color:#9AA5A0;}
.search-box input:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(31,94,85,.14);}
.search-icon{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:16px;pointer-events:none;}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.trend-link{font-size:14px;color:var(--muted);position:relative;}
.trend-link:hover{color:var(--ink);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:6px;
  background:var(--card);cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:1px;transition:transform .22s var(--ease),opacity .22s var(--ease);}
.header-channels{border-top:1px solid var(--line);}
.channels-inner{display:flex;align-items:center;gap:24px;height:44px;overflow-x:auto;scrollbar-width:none;}
.channels-inner::-webkit-scrollbar{display:none;}
.channel-nav{display:flex;align-items:center;gap:22px;flex:0 0 auto;}
.channel-link{
  position:relative;font-size:14px;color:var(--muted);white-space:nowrap;
  padding:10px 0;display:inline-block;
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.channel-link:hover{color:var(--ink);}
.channel-link:hover::after{transform:scaleX(1);}
.channel-link.is-active{color:var(--ink);font-weight:700;}
.channel-link.is-active::after{transform:scaleX(1);}
.hot-words{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto;}
.hot-word{
  font-size:13px;color:var(--muted);background:var(--sand);
  padding:3px 11px;border-radius:999px;white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.hot-word:hover{background:var(--ink);color:#fff;}

/* 移动端抽屉 */
.mobile-drawer{position:fixed;inset:0;z-index:80;display:none;}
.mobile-drawer.is-open{display:block;}
.drawer-mask{position:absolute;inset:0;background:rgba(18,59,54,.5);}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(340px,86vw);
  background:#fff;padding:22px 20px;overflow-y:auto;
  animation:slideIn .26s var(--ease);
}
@keyframes slideIn{from{transform:translateX(24px);opacity:.6;}to{transform:none;opacity:1;}}
.drawer-group{padding:16px 0;border-bottom:1px solid var(--line);}
.drawer-group:first-child{padding-top:0;}
.drawer-label{font-size:12px;color:var(--muted);letter-spacing:.08em;margin-bottom:10px;}
.drawer-link{display:block;font-size:15px;color:var(--ink);padding:11px 0;border-radius:6px;}
.drawer-link:hover{color:var(--accent);}
.drawer-search{width:100%;height:44px;border:1px solid var(--line);border-radius:6px;padding:0 14px;font-size:14px;outline:none;}
.drawer-search:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(31,94,85,.14);}

/* ============ 文章头部 ============ */
.article-hero{border-bottom:1px solid var(--line);padding:30px 0 34px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb .sep{color:#B8C0BC;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:16px;}
.badge{
  display:inline-block;background:var(--sand);color:var(--ink);
  border-radius:999px;font-size:12px;font-weight:600;padding:4px 12px;line-height:1.6;
}
.meta-time{font-size:13px;color:var(--muted);}
.article-title{
  font-size:clamp(1.75rem,4.4vw,2.5rem);
  font-weight:800;line-height:1.3;letter-spacing:-.02em;color:var(--ink);
  margin-bottom:18px;max-width:900px;
}
.article-lead{
  max-width:760px;border-left:3px solid var(--accent);padding-left:16px;
  color:var(--muted);font-size:16px;line-height:1.9;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}

/* ============ 正文布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;
  align-items:start;padding:44px 0 56px;
}
.article-content{max-width:760px;font-size:17px;line-height:1.9;color:#243230;overflow-x:hidden;word-break:break-word;}
.article-content > *:first-child{margin-top:0;}
.article-content > * + *{margin-top:20px;}
.article-content h2{
  position:relative;font-size:clamp(1.25rem,2.4vw,1.55rem);font-weight:800;line-height:1.4;
  color:var(--ink);margin:38px 0 16px;padding-left:16px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.3em;width:4px;height:1.05em;
  background:var(--accent);border-radius:2px;
}
.article-content h3{font-size:1.125rem;font-weight:700;color:var(--ink);margin:28px 0 12px;}
.article-content h4{font-size:1rem;font-weight:700;color:var(--ink);margin:22px 0 10px;}
.article-content p{margin:0 0 20px;line-height:1.9;}
.article-content ul{list-style:none;padding-left:0;margin:0 0 20px;}
.article-content ul li{position:relative;padding-left:18px;margin-bottom:10px;}
.article-content ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;
  background:var(--accent);border-radius:1px;
}
.article-content ol{padding-left:22px;margin:0 0 20px;}
.article-content ol li{margin-bottom:10px;}
.article-content blockquote{
  margin:24px 0;background:var(--sand);border-left:3px solid var(--ink);
  border-radius:0 8px 8px 0;padding:16px 20px;color:#2B3833;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:8px;margin:24px 0;max-width:100%;height:auto;}
.article-content figure{margin:24px 0;}
.article-content figure img{margin:0;}
.article-content figcaption{font-size:13px;color:var(--muted);margin-top:8px;text-align:center;line-height:1.7;}
.article-content a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-content a:hover{color:var(--accent);}
.article-content table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;overflow:hidden;}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top;}
.article-content th{background:var(--sand);color:var(--ink);font-weight:700;}
.article-content code{
  background:var(--sand);padding:2px 6px;border-radius:4px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;color:#2B3833;
}
.article-content pre{
  background:var(--sand);border:1px solid var(--line);border-radius:8px;
  padding:14px 16px;overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-content pre code{background:none;padding:0;}
.article-content hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

.article-empty{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:48px 24px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-icon{width:56px;height:56px;margin:0 auto 18px;border:1px solid var(--line);border-radius:10px;position:relative;}
.empty-icon::before,.empty-icon::after{content:"";position:absolute;background:var(--line);}
.empty-icon::before{left:14px;right:14px;top:22px;height:1px;}
.empty-icon::after{left:14px;right:14px;top:32px;height:1px;}
.article-empty p{color:var(--muted);font-size:15px;margin:0 0 22px;}

/* 侧栏 */
.aside-stack{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px;}
.toc-card,.consult-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow-1);
}
.consult-card{background:var(--sand);}
.aside-title{font-size:14px;font-weight:800;color:var(--ink);margin:0 0 12px;line-height:1.5;}
.toc-list{display:flex;flex-direction:column;max-height:340px;overflow-y:auto;}
.toc-list a{
  display:block;font-size:13px;line-height:1.7;color:var(--muted);
  padding:6px 0 6px 10px;border-left:2px solid transparent;
}
.toc-list a:hover,.toc-list a.is-active{color:var(--ink);border-left-color:var(--accent);}
.toc-list a.toc-h3{padding-left:22px;font-size:12.5px;}
.consult-text{font-size:14px;color:var(--muted);line-height:1.85;margin:0 0 16px;}
.consult-card .btn{width:100%;}
.toc-empty{font-size:13px;color:var(--muted);}

/* 上下篇 */
.post-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
  border-top:1px solid var(--line);padding-top:32px;margin-top:48px;
}
.post-nav-item{
  display:flex;flex-direction:column;gap:8px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px 20px;box-shadow:var(--shadow-1);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.post-nav-item:hover{border-color:var(--ink-2);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.post-nav-label{font-size:12px;color:var(--muted);}
.post-nav-title{font-size:15px;font-weight:700;color:var(--ink);line-height:1.6;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.post-nav-item.is-next{text-align:right;}

/* 推荐 */
.rec-section{padding:8px 0 64px;}
.section-head{margin-bottom:26px;}
.section-title{
  position:relative;font-size:clamp(1.4rem,3vw,1.75rem);font-weight:800;
  color:var(--ink);padding-left:16px;line-height:1.35;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1.05em;
  background:var(--accent);border-radius:2px;
}
.section-desc{font-size:15px;color:var(--muted);margin-top:10px;max-width:680px;}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rec-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.rec-card:hover{border-color:var(--ink-2);box-shadow:var(--shadow-2);transform:translateY(-2px);}
.rec-thumb{aspect-ratio:16/9;background:var(--sand);overflow:hidden;}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.rec-card:hover .rec-thumb img{transform:scale(1.02);}
.rec-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);}
.rec-title{font-size:16px;font-weight:700;color:var(--ink);line-height:1.55;margin:0;}
.rec-text{font-size:14px;color:var(--muted);line-height:1.85;margin:0;}
.rec-link{margin-top:auto;font-size:14px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:6px;}
.rec-card:hover .rec-link{color:var(--accent);}
.rec-link .arrow{transition:transform .22s var(--ease);}
.rec-card:hover .rec-link .arrow{transform:translateX(4px);}

/* FAQ */
.faq-section{padding:8px 0 64px;}
.faq-list{border-top:1px solid var(--line);margin-top:24px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:700;color:var(--ink);line-height:1.6;
  padding:17px 0;min-height:52px;
}
.faq-q:hover{color:var(--ink-2);}
.faq-icon{flex:0 0 auto;color:var(--accent);font-size:17px;transition:transform .25s var(--ease);}
.faq-item.is-open .faq-icon{transform:rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a-inner{padding:0 0 18px;font-size:15px;color:var(--muted);line-height:1.9;}

/* CTA 带 */
.cta-band{background:var(--ink);color:#fff;}
.cta-band-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:44px 0;
}
.cta-band h2{color:#fff;font-size:clamp(1.3rem,2.6vw,1.7rem);font-weight:800;line-height:1.4;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;margin-top:10px;max-width:640px;line-height:1.9;}
.cta-band .btn-outline{border-color:rgba(255,255,255,.5);color:#fff;}
.cta-band .btn-outline:hover{background:#fff;color:var(--ink);border-color:#fff;}

/* 页脚 */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.1fr 1.2fr;gap:32px;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.9;margin-top:14px;max-width:280px;}
.footer-title{font-size:14px;font-weight:800;color:var(--ink);margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--muted);}
.footer-links a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px;}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--muted);line-height:1.8;}
.footer-contact strong{color:var(--ink);font-weight:700;}
.privacy-line{
  font-size:12.5px;color:var(--muted);line-height:1.85;
  border-top:1px solid var(--line);padding-top:20px;margin-top:32px;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
  border-top:1px solid var(--line);padding-top:18px;margin-top:18px;
}

/* 弹层 */
.modal{position:fixed;inset:0;z-index:90;display:none;}
.modal.is-open{display:block;}
.modal-mask{position:absolute;inset:0;background:rgba(18,59,54,.55);}
.modal-panel{
  position:relative;z-index:1;background:#fff;border-radius:var(--radius-card);
  width:calc(100% - 32px);max-width:520px;margin:8vh auto;padding:28px;
  max-height:84vh;overflow-y:auto;box-shadow:0 20px 48px rgba(18,59,54,.24);
  animation:modalRise .28s var(--ease);
}
@keyframes modalRise{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:none;}}
.modal-title{font-size:1.25rem;font-weight:800;color:var(--ink);margin-bottom:8px;}
.modal-desc{font-size:14px;color:var(--muted);line-height:1.85;margin-bottom:22px;}
.modal-close{
  position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:6px;
  border:1px solid var(--line);background:#fff;color:var(--muted);
  cursor:pointer;font-size:16px;line-height:1;display:grid;place-items:center;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.modal-close:hover{color:var(--ink);border-color:var(--ink);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;}
.input,.select,.textarea{
  width:100%;border:1px solid var(--line);border-radius:6px;background:#fff;
  color:var(--text);font-size:15px;padding:10px 14px;min-height:44px;line-height:1.6;
  outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.textarea{min-height:96px;resize:vertical;line-height:1.75;}
.input:focus,.select:focus,.textarea:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(31,94,85,.14);}
.field.has-error .input,.field.has-error .select{border-color:var(--warn);}
.error-text{display:none;font-size:12px;color:var(--warn);margin-top:6px;line-height:1.6;}
.field.has-error .error-text{display:block;}
.modal .btn{width:100%;}
.form-note{font-size:12.5px;color:var(--muted);line-height:1.8;margin-top:12px;}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s var(--ease),transform .3s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* 断点 */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .aside-stack{position:static;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:880px){
  .search-box{display:none;}
  .header-actions .trend-link{display:none;}
  .nav-toggle{display:flex;}
  .header-channels{display:none;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .article-hero{padding:22px 0 26px;}
  .article-layout{padding:32px 0 40px;}
  .article-content{font-size:16.5px;}
  .rec-grid{grid-template-columns:minmax(0,1fr);}
  .post-nav{grid-template-columns:minmax(0,1fr);}
  .post-nav-item.is-next{text-align:left;}
  .cta-band-inner{flex-direction:column;align-items:flex-start;padding:36px 0;}
  .cta-band .btn{width:100%;}
}
@media (max-width:520px){
  .header-top-inner{height:60px;gap:12px;}
  .brand-text{font-size:15.5px;}
  .brand-mark{width:30px;height:30px;font-size:12px;}
  .header-actions .btn-primary{padding:0 14px;font-size:14px;}
  .header-actions .btn-primary .arrow{display:none;}
  .modal-panel{
    width:100%;max-width:none;margin:0;position:absolute;left:0;right:0;bottom:0;
    top:auto;border-radius:10px 10px 0 0;max-height:88vh;padding:24px 20px;
    animation:modalUp .28s var(--ease);
  }
  @keyframes modalUp{from{transform:translateY(24px);opacity:.4;}to{transform:none;opacity:1;}}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .article-content table{font-size:14px;}
  .article-content th,.article-content td{padding:8px 10px;}
}

/* roulang page: category2 */
:root{
  --ink:#123B36;
  --ink-2:#1F5E55;
  --accent:#E1793A;
  --accent-deep:#C96A2F;
  --sand:#F5F1E9;
  --bg:#FBFAF7;
  --card:#FFFFFF;
  --line:#E5E0D6;
  --text:#151A18;
  --muted:#5F6B67;
  --ok:#2F7D5B;
  --warn:#B4791F;
  --r-card:10px;
  --r-btn:6px;
  --r-img:8px;
  --sh-1:0 1px 2px rgba(18,59,54,.04);
  --sh-2:0 8px 24px rgba(18,59,54,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:var(--ink);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25}
p{margin:0}
*:focus-visible{outline:2px solid var(--ink-2);outline-offset:2px;border-radius:3px}
::selection{background:rgba(225,121,58,.25);color:var(--ink)}
.sr-only{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 40px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn .arrow{display:inline-block;transition:transform .22s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-deep);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-light:hover{background:#fff;color:var(--ink)}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--ink);position:relative}
.text-link .arrow{transition:transform .22s var(--ease)}
.text-link:hover{color:var(--accent)}
.text-link:hover .arrow{transform:translateX(4px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,250,247,.95);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(18,59,54,.08)}
.header-top-inner{display:flex;align-items:center;gap:22px;height:64px;transition:height .25s var(--ease)}
.site-header.is-scrolled .header-top-inner{height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.brand-mark{
  display:inline-grid;place-items:center;width:36px;height:36px;border-radius:9px;
  background:var(--ink);color:#fff;font-size:14px;font-weight:800;letter-spacing:.02em;
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.brand:hover .brand-text{color:var(--ink-2)}
.search-box{position:relative;display:flex;align-items:center;flex:1 1 auto;max-width:400px}
.search-box input{
  width:100%;height:40px;padding:0 40px 0 14px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;font-size:14px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box input::placeholder{color:#98A29E}
.search-box input:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(18,59,54,.10)}
.search-icon{position:absolute;right:12px;font-size:16px;color:var(--muted);pointer-events:none}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.trend-link{font-size:14px;color:var(--muted);position:relative;padding:4px 0}
.trend-link::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--accent);transition:right .22s var(--ease)}
.trend-link:hover{color:var(--ink)}
.trend-link:hover::after{right:0}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 10px;border-radius:var(--r-btn);border:1px solid var(--line);
}
.nav-toggle span{display:block;height:2px;width:100%;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-active span:nth-child(2){opacity:0}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.header-channels{border-top:1px solid var(--line)}
.channels-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:44px}
.channel-nav{display:flex;align-items:center;gap:24px;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-link{position:relative;font-size:15px;color:var(--muted);font-weight:500;white-space:nowrap;padding:11px 0}
.channel-link::after{content:"";position:absolute;left:0;bottom:5px;height:2px;width:0;background:var(--accent);transition:width .22s var(--ease)}
.channel-link:hover{color:var(--ink)}
.channel-link:hover::after{width:100%}
.channel-link.is-active{color:var(--ink);font-weight:700}
.channel-link.is-active::after{width:100%}
.hot-words{display:flex;align-items:center;gap:14px}
.hot-word{font-size:13px;color:var(--muted);padding:4px 0}
.hot-word:hover{color:var(--ink)}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(18,59,54,.45);opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s;z-index:70}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,86vw);background:#fff;z-index:75;
  transform:translateX(102%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;overflow-y:auto;
}
.mobile-drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;font-size:22px;line-height:1;color:var(--muted);border-radius:var(--r-btn)}
.drawer-close:hover{color:var(--ink);background:var(--sand)}
.drawer-body{padding:20px;display:flex;flex-direction:column;gap:16px}
.drawer-search{max-width:none}
.drawer-group-title{font-size:12px;font-weight:800;color:var(--muted);letter-spacing:.12em}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{padding:13px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink);font-weight:500}
.drawer-nav a.is-active{font-weight:800;color:var(--ink-2)}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px}
.drawer-hot a{font-size:13px;padding:6px 12px;border-radius:999px;background:var(--sand);color:var(--ink);border:1px solid var(--line)}
.drawer-cta{margin-top:8px}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section-sand{background:var(--sand)}
.section-ink{background:var(--ink);color:#fff}
.section-head{margin-bottom:32px}
.sec-title{
  display:flex;align-items:center;gap:12px;
  font-size:clamp(1.5rem,3vw,2.25rem);font-weight:800;color:var(--ink);letter-spacing:-.01em;
}
.sec-title::before{content:"";flex:0 0 auto;width:2px;height:22px;background:var(--accent);border-radius:2px}
.sec-sub{margin-top:12px;font-size:15px;color:var(--muted);max-width:66ch}
.section-ink .sec-title{color:#fff}
.section-ink .sec-sub{color:rgba(255,255,255,.72)}

/* ---------- 页头 ---------- */
.page-head{padding:24px 0 32px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb .sep{color:#C9C2B4}
.page-h1{
  font-size:clamp(1.9rem,4.4vw,3rem);font-weight:900;letter-spacing:-.02em;
  color:var(--ink);line-height:1.2;
}
.page-lead{margin-top:16px;font-size:16px;color:var(--muted);max-width:70ch}
.anchor-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.anchor-tab{
  display:inline-flex;align-items:center;height:34px;padding:0 15px;border-radius:999px;
  background:var(--sand);border:1px solid var(--line);font-size:13px;color:var(--ink);
  transition:background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.anchor-tab:hover{border-color:var(--ink-2);color:var(--ink-2);background:#fff}
.anchor-tab.is-active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:700}

/* ---------- Banner ---------- */
.banner-wrap{padding:0 0 8px}
.page-banner{position:relative;overflow:hidden;border-radius:var(--r-card);border:1px solid var(--line);background:var(--sand)}
.page-banner img{width:100%;height:400px;object-fit:cover;animation:bannerFade .6s var(--ease) both}
@keyframes bannerFade{from{opacity:.6;transform:scale(1.02)}to{opacity:1;transform:none}}
.page-banner .overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,59,54,.9) 0%,rgba(18,59,54,.62) 52%,rgba(18,59,54,.22) 100%)}
.banner-content{position:absolute;left:0;top:0;right:0;bottom:82px;display:flex;flex-direction:column;justify-content:center;padding:0 44px;max-width:660px;color:#fff}
.banner-tag{display:inline-block;font-size:12px;letter-spacing:.14em;font-weight:700;color:#F6D9C4;margin-bottom:14px}
.banner-title{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800;color:#fff;line-height:1.3}
.banner-text{margin-top:14px;font-size:15px;color:rgba(255,255,255,.82);line-height:1.8}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.banner-stats{
  position:absolute;left:0;right:0;bottom:0;height:82px;
  display:grid;grid-template-columns:repeat(3,1fr);
  background:rgba(18,59,54,.86);border-top:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(4px);
}
.banner-stats>div{display:flex;flex-direction:column;justify-content:center;padding:0 24px;border-right:1px solid rgba(255,255,255,.14)}
.banner-stats>div:last-child{border-right:0}
.banner-stats strong{font-size:19px;font-weight:800;color:#fff;line-height:1.3}
.banner-stats span{font-size:12.5px;color:rgba(255,255,255,.66)}

/* ---------- 列表工具条 ---------- */
.list-toolbar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 20px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);margin-bottom:24px;
}
.count-note{font-size:14px;color:var(--muted)}
.count-note strong{color:var(--ink);font-weight:800;font-size:16px}
.sort-group{display:flex;flex-wrap:wrap;gap:8px}
.sort-btn{
  height:38px;padding:0 14px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;font-size:13px;color:var(--muted);
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.sort-btn:hover{border-color:var(--ink-2);color:var(--ink)}
.sort-btn.is-active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:700}

/* ---------- 长条卡列表 ---------- */
.ticket-list{display:flex;flex-direction:column;gap:20px}
.ticket-row{
  display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:24px;
  padding:20px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.ticket-row:hover{border-color:var(--ink-2);box-shadow:var(--sh-2);transform:translateY(-2px)}
.thumb{position:relative;overflow:hidden;border-radius:var(--r-img);background:var(--sand);aspect-ratio:16/10}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.ticket-row:hover .thumb img{transform:scale(1.03)}
.ticket-body{display:flex;flex-direction:column;gap:12px;min-width:0}
.ticket-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--sand);color:var(--ink);font-size:12px;font-weight:700;border:1px solid var(--line);
}
.meta{font-size:13px;color:var(--muted)}
.ticket-title{font-size:1.2rem;font-weight:700;color:var(--ink);line-height:1.4}
.ticket-title a{color:inherit}
.ticket-title a:hover{color:var(--accent)}
.ticket-desc{font-size:15px;color:var(--muted);line-height:1.85}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.point-list{display:flex;flex-wrap:wrap;gap:10px}
.point-list li{
  font-size:13px;color:var(--ink);background:#fff;border:1px solid var(--line);
  border-radius:6px;padding:4px 10px;
}
.ticket-body .text-link{margin-top:auto;padding-top:4px}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flow-item{padding-top:20px;border-top:2px solid var(--line);transition:border-color .22s var(--ease)}
.flow-item:hover{border-top-color:var(--ink)}
.flow-num{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.1em}
.flow-title{margin-top:12px;font-size:1.05rem;font-weight:700;color:var(--ink)}
.flow-text{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- 咨询条 ---------- */
.strip-wrap{padding:0 0 8px}
.consult-strip{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  min-height:72px;padding:14px 24px;background:var(--sand);
  border:1px solid var(--line);border-radius:var(--r-card);
}
.consult-strip p{font-size:15px;color:var(--ink)}
.consult-strip p strong{font-weight:800}

/* ---------- 数据区 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item{padding-left:18px;border-left:1px solid rgba(255,255,255,.22)}
.stat-num{font-size:clamp(2rem,4vw,3rem);font-weight:800;line-height:1;color:#fff;letter-spacing:-.02em}
.stat-num em{font-style:normal;font-size:.42em;font-weight:700;color:var(--accent);margin-left:6px;letter-spacing:0}
.stat-label{margin-top:12px;font-size:14px;color:rgba(255,255,255,.72)}
.stat-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  margin-top:40px;padding-top:28px;border-top:1px solid rgba(255,255,255,.18);
}
.stat-foot p{font-size:15px;color:rgba(255,255,255,.78);max-width:62ch}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,9fr);gap:40px}
.faq-side .sec-title{font-size:clamp(1.4rem,2.4vw,1.9rem)}
.consult-card{
  margin-top:24px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
}
.consult-card p{font-size:14px;color:var(--muted);margin-bottom:14px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;min-height:52px;padding:16px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;font-size:16px;font-weight:700;color:var(--ink);line-height:1.6;
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--accent)}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;display:grid;place-items:center;
  color:var(--muted);font-size:18px;transition:transform .25s var(--ease),color .25s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(90deg);color:var(--accent)}
.faq-item.is-open .faq-q{color:var(--ink-2)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a-inner{padding:0 0 18px;font-size:15px;color:var(--muted);line-height:1.9;max-width:78ch}

/* ---------- CTA 带 ---------- */
.cta-wrap{padding:0 0 72px}
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  padding:38px 40px;background:var(--ink);color:#fff;border-radius:var(--r-card);
}
.cta-title{font-size:clamp(1.25rem,2.4vw,1.75rem);font-weight:800;color:#fff;line-height:1.4}
.cta-text{margin-top:10px;font-size:15px;color:rgba(255,255,255,.74);max-width:58ch}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--card);border-top:1px solid var(--line);padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--muted);line-height:1.8;max-width:300px}
.footer-title{font-size:14px;font-weight:800;color:var(--ink);margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:var(--muted)}
.footer-links a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;color:var(--muted)}
.footer-contact strong{color:var(--ink);font-weight:700}
.privacy-line{
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--muted);line-height:1.85;
}
.privacy-line a{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:16px;font-size:13px;color:var(--muted);
}

/* ---------- 表单 / 弹层 ---------- */
.modal{
  position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;padding:24px;
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s;
}
.modal.is-open{opacity:1;visibility:visible}
.modal-mask{position:absolute;inset:0;background:rgba(18,59,54,.55)}
.modal-panel{
  position:relative;width:100%;max-width:520px;max-height:90vh;overflow:auto;
  background:#fff;border-radius:var(--r-card);padding:28px;
  box-shadow:0 24px 60px rgba(18,59,54,.25);
  transform:translateY(10px);transition:transform .25s var(--ease);
}
.modal.is-open .modal-panel{transform:none}
.modal-close{
  position:absolute;top:14px;right:14px;width:40px;height:40px;border-radius:var(--r-btn);
  font-size:22px;line-height:1;color:var(--muted);
}
.modal-close:hover{background:var(--sand);color:var(--ink)}
.modal-title{font-size:1.25rem;font-weight:800;color:var(--ink)}
.modal-sub{margin-top:8px;font-size:14px;color:var(--muted)}
.lead-form{margin-top:22px;display:flex;flex-direction:column;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13px;color:var(--muted);font-weight:600}
.field input,.field select,.field textarea{
  width:100%;min-height:44px;padding:10px 14px;border:1px solid var(--line);
  border-radius:var(--r-btn);background:#fff;font-size:15px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:88px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--ink);box-shadow:0 0 0 3px rgba(18,59,54,.10);
}
.field.has-error input,.field.has-error select{border-color:var(--warn)}
.field-error{font-size:12px;color:var(--warn)}
.form-privacy{margin-top:12px;font-size:12.5px;color:var(--muted);line-height:1.8}
.form-privacy a{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
body.modal-open,body.drawer-open{overflow:hidden}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s var(--ease),transform .3s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item{padding-left:16px}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .hot-words{display:none}
  .section{padding:60px 0}
}
@media (max-width:900px){
  .search-box{display:none}
  .header-channels{display:none}
  .nav-toggle{display:flex}
  .ticket-row{grid-template-columns:1fr;gap:16px}
  .ticket-row .thumb{aspect-ratio:16/9}
  .page-banner img{height:440px}
  .banner-content{position:static;padding:32px 28px 24px;max-width:none;background:var(--ink)}
  .page-banner .overlay{display:none}
  .banner-stats{position:static;height:auto;background:var(--ink)}
  .banner-stats>div{padding:14px 20px}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .cta-wrap{padding-bottom:48px}
  .cta-band{padding:28px 24px}
  .page-head{padding:18px 0 24px}
  .page-lead{font-size:15px}
  .stat-grid{gap:18px}
  .stat-num{font-size:clamp(1.7rem,7vw,2.2rem)}
  .ticket-row{padding:16px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .modal{align-items:flex-end;padding:0}
  .modal-panel{max-width:none;border-radius:10px 10px 0 0;max-height:92vh;padding:24px 20px 28px}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .brand-text{font-size:16px}
  .brand-mark{width:32px;height:32px;font-size:13px}
  .trend-link{display:none}
  .header-actions{gap:8px}
  .header-actions .btn-primary{padding:10px 16px;font-size:14px}
  .flow-grid{grid-template-columns:1fr;gap:18px}
  .banner-content{padding:26px 20px 20px}
  .banner-stats{grid-template-columns:1fr;}
  .banner-stats>div{border-right:0;border-bottom:1px solid rgba(255,255,255,.14);padding:12px 20px}
  .banner-stats>div:last-child{border-bottom:0}
  .list-toolbar{padding:14px 16px}
  .consult-strip{padding:16px}
  .cta-title{font-size:1.15rem}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
    --ink:#123B36;
    --ink-2:#1F5E55;
    --accent:#E1793A;
    --accent-dark:#C96A2F;
    --sand:#F5F1E9;
    --bg:#FBFAF7;
    --card:#FFFFFF;
    --line:#E5E0D6;
    --text:#151A18;
    --muted:#5F6B67;
    --ok:#2F7D5B;
    --warn:#B4791F;
    --radius-card:10px;
    --radius-btn:6px;
    --radius-img:8px;
    --shadow-1:0 1px 2px rgba(18,59,54,.04);
    --shadow-2:0 8px 24px rgba(18,59,54,.10);
    --ease:cubic-bezier(.22,.61,.36,1);
    --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;}

  html{scroll-behavior:smooth;}

  html body{
    margin:0;
    padding:0;
    background:var(--bg);
    color:var(--text);
    font-family:var(--font);
    font-size:16px;
    line-height:1.9;
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
  }

  ::selection{background:rgba(225,121,58,.22);color:var(--ink);}

  a{color:var(--ink);text-decoration:none;transition:color .22s var(--ease);}
  a:hover{color:var(--accent);}

  img{display:block;max-width:100%;}
  button{font-family:inherit;}
  input,select,textarea{font-family:inherit;font-size:15px;}

  :focus-visible{outline:2px solid var(--ink-2);outline-offset:2px;}

  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

  @media (min-width:768px){ .container{padding:0 32px;} }
  @media (min-width:1024px){ .container{padding:0 40px;} }

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:50;
    background:rgba(251,250,247,.95);
    -webkit-backdrop-filter:blur(6px);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .22s var(--ease);
  }
  .site-header.is-scrolled{ box-shadow:0 6px 18px rgba(18,59,54,.07); }

  .header-top-inner{
    display:flex;
    align-items:center;
    gap:14px;
    height:64px;
    transition:height .22s var(--ease);
  }
  .site-header.is-scrolled .header-top-inner{ height:56px; }

  .brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
  .brand-mark{
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--ink);color:#fff;
    font-size:13px;font-weight:800;letter-spacing:.08em;
    padding:5px 9px;border-radius:6px;
  }
  .brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
  .brand:hover .brand-text{color:var(--ink-2);}

  .search-box{position:relative;flex:1 1 auto;max-width:400px;margin-left:auto;}
  .search-box input{
    width:100%;height:40px;
    border:1px solid var(--line);border-radius:var(--radius-btn);
    background:#fff;color:var(--text);
    padding:0 38px 0 14px;
    transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
  }
  .search-box input::placeholder{color:#98A29E;}
  .search-box input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(18,59,54,.10);}
  .search-icon{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:17px;pointer-events:none;}

  .header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
  .trend-link{
    font-size:14px;color:var(--muted);
    padding:8px 2px;border-bottom:1px solid transparent;
    transition:color .22s var(--ease),border-color .22s var(--ease);
  }
  .trend-link:hover{color:var(--ink);border-bottom-color:var(--accent);}

  .nav-toggle{
    display:none;
    width:44px;height:44px;
    border:1px solid var(--line);border-radius:var(--radius-btn);
    background:#fff;cursor:pointer;
    flex-direction:column;align-items:center;justify-content:center;gap:4px;
    transition:border-color .22s var(--ease);
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease);}
  .nav-toggle:hover{border-color:var(--ink-2);}
  .nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .nav-toggle.is-open span:nth-child(2){opacity:0;}
  .nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  .header-channels{border-top:1px solid var(--line);}
  .channels-inner{display:flex;align-items:center;gap:20px;min-height:44px;}

  .channel-nav{display:flex;align-items:center;gap:22px;flex:1 1 auto;}
  .channel-link{
    font-size:14px;color:var(--muted);
    padding:11px 0;
    border-bottom:2px solid transparent;
    white-space:nowrap;
    transition:color .22s var(--ease),border-color .22s var(--ease);
  }
  .channel-link:hover{color:var(--ink);}
  .channel-link.is-active{color:var(--ink);font-weight:700;border-bottom-color:var(--accent);}

  .hot-words{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
  .hot-word{
    font-size:13px;color:var(--muted);
    padding:5px 10px;border-radius:999px;
    transition:color .22s var(--ease),background-color .22s var(--ease);
  }
  .hot-word:hover{color:var(--ink);background:var(--sand);}

  .mobile-drawer{
    position:fixed;left:0;right:0;top:64px;bottom:0;
    background:#fff;z-index:60;
    padding:8px 20px 32px;
    overflow-y:auto;
    border-top:1px solid var(--line);
    transform:translateY(-8px);
    opacity:0;pointer-events:none;
    transition:opacity .22s var(--ease),transform .22s var(--ease);
  }
  .mobile-drawer.is-open{opacity:1;transform:none;pointer-events:auto;}
  .drawer-group{padding:16px 0;border-bottom:1px solid var(--line);}
  .drawer-group:last-child{border-bottom:0;}
  .drawer-title{font-size:13px;color:var(--muted);margin:0 0 10px;}
  .drawer-links{display:flex;flex-wrap:wrap;gap:10px;}
  .drawer-links a{
    display:inline-flex;align-items:center;min-height:44px;
    padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-btn);
    font-size:14px;color:var(--ink);background:var(--bg);
  }
  .drawer-links a.is-active{border-color:var(--accent);color:var(--ink);font-weight:700;}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;
    padding:11px 22px;
    border-radius:var(--radius-btn);
    font-size:15px;font-weight:700;
    border:1px solid transparent;
    cursor:pointer;
    transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  }
  .btn .arrow{transition:transform .22s var(--ease);}
  .btn:hover .arrow{transform:translateX(4px);}
  .btn-primary{background:var(--accent);color:#fff;}
  .btn-primary:hover{background:var(--accent-dark);color:#fff;}
  .btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
  .btn-ghost:hover{background:var(--ink);color:#fff;}
  .btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
  .btn-light:hover{background:#fff;color:var(--ink);border-color:#fff;}
  .btn-block{width:100%;}
  .btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

  .link-more{font-size:14px;font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:6px;}
  .link-more::after{content:"";display:block;height:1px;width:0;background:var(--accent);transition:width .22s var(--ease);}
  .link-more:hover{color:var(--accent);}
  .link-more:hover::after{width:100%;}

  /* ============ 面包屑 / 标签 ============ */
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:22px 0 0;flex-wrap:wrap;}
  .breadcrumb a{color:var(--muted);}
  .breadcrumb a:hover{color:var(--ink);}
  .breadcrumb .current{color:var(--ink);font-weight:700;}

  .badge{
    display:inline-flex;align-items:center;
    background:var(--sand);color:var(--ink);
    font-size:12px;font-weight:700;letter-spacing:.04em;
    padding:5px 12px;border-radius:999px;
  }
  .badge-accent{background:rgba(225,121,58,.14);color:#A9521C;}

  /* ============ Hero ============ */
  .cat-hero{
    position:relative;
    background:var(--bg);
    border-bottom:1px solid var(--line);
    padding-bottom:28px;
  }
  .cat-hero::before{
    content:"";position:absolute;inset:0;
    background-image:linear-gradient(90deg,rgba(229,224,214,.4) 1px,transparent 1px),
                     linear-gradient(180deg,rgba(229,224,214,.4) 1px,transparent 1px);
    background-size:24px 24px;
    opacity:.5;pointer-events:none;
    mask-image:linear-gradient(180deg,#000,transparent 78%);
    -webkit-mask-image:linear-gradient(180deg,#000,transparent 78%);
  }
  .cat-hero .container{position:relative;z-index:1;}

  .hero-grid{display:grid;grid-template-columns:1fr;gap:28px;padding:24px 0 8px;}
  @media (min-width:1024px){
    .hero-grid{grid-template-columns:7fr 5fr;gap:48px;align-items:center;padding:32px 0 12px;}
  }

  .hero-title{
    font-size:clamp(2rem,5vw,3.1rem);
    font-weight:900;
    line-height:1.25;
    letter-spacing:-.02em;
    color:var(--ink);
    margin:16px 0 0;
  }
  .hero-sub{font-size:17px;color:var(--muted);margin:16px 0 0;max-width:36em;}
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
  .hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px;padding:0;margin:24px 0 0;}
  .hero-points li{font-size:13px;color:var(--muted);display:inline-flex;align-items:center;gap:8px;}
  .hero-points li::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--accent);display:inline-block;}

  .hero-media{margin:0;position:relative;}
  .hero-media img{
    width:100%;aspect-ratio:16/10;object-fit:cover;
    border-radius:var(--radius-img);
    border:1px solid var(--line);
    background:var(--sand);
  }
  .hero-media figcaption{
    position:absolute;right:12px;bottom:12px;
    background:rgba(18,59,54,.86);color:#fff;
    font-size:12px;letter-spacing:.04em;
    padding:5px 10px;border-radius:999px;
  }

  .anchor-row{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
    padding:20px 0 4px;margin-top:20px;border-top:1px solid var(--line);
  }
  .anchor-row span.anchor-label{font-size:13px;color:var(--muted);}
  .anchor-link{
    font-size:14px;color:var(--muted);
    padding:6px 0;border-bottom:2px solid transparent;
    transition:color .22s var(--ease),border-color .22s var(--ease);
  }
  .anchor-link:hover{color:var(--ink);}
  .anchor-link.is-active{color:var(--ink);font-weight:700;border-bottom-color:var(--accent);}

  /* ============ 通用板块 ============ */
  .section{padding:64px 0;}
  .section-sand{background:var(--sand);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .section-ink{background:var(--ink);color:#fff;}
  @media (min-width:768px){ .section{padding:80px 0;} }

  .section-head{max-width:760px;}
  .section-num{
    display:inline-block;font-size:13px;font-weight:800;letter-spacing:.14em;
    color:var(--accent);margin-bottom:10px;
  }
  .section-title{
    font-size:clamp(1.5rem,3vw,2.25rem);
    font-weight:800;line-height:1.25;letter-spacing:-.01em;
    color:var(--ink);margin:0;
    padding-left:16px;border-left:3px solid var(--accent);
  }
  .section-ink .section-title{color:#fff;}
  .section-desc{font-size:16px;color:var(--muted);margin:16px 0 0;}
  .section-ink .section-desc{color:rgba(255,255,255,.76);}

  /* ============ 分龄路线（非对称栅格） ============ */
  .age-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:36px;}
  @media (min-width:1024px){ .age-grid{grid-template-columns:5fr 7fr;gap:24px;} }

  .age-main{
    background:var(--ink);color:#fff;
    border-radius:var(--radius-card);
    padding:28px;display:flex;flex-direction:column;gap:18px;
  }
  .age-main img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);}
  .age-main h3{font-size:1.35rem;font-weight:800;margin:0;line-height:1.4;}
  .age-main p{margin:0;font-size:15px;color:rgba(255,255,255,.8);}
  .age-flag{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.08em;}
  .age-main .points{list-style:none;margin:0;padding:0;display:grid;gap:8px;}
  .age-main .points li{font-size:14px;color:rgba(255,255,255,.85);display:flex;gap:10px;align-items:flex-start;}
  .age-main .points li::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--accent);margin-top:9px;flex:0 0 auto;}

  .age-stack{display:grid;gap:20px;align-content:start;}
  .age-bar{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);
    padding:22px 24px;
    display:grid;
    grid-template-columns:1fr;
    gap:14px;
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  }
  .age-bar:hover{transform:translateY(-2px);border-color:var(--ink-2);box-shadow:var(--shadow-2);}
  @media (min-width:768px){
    .age-bar{grid-template-columns:64px 1fr;align-items:start;gap:20px;}
  }
  .age-bar .no{
    font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.1em;
  }
  .age-bar h3{font-size:1.15rem;font-weight:700;margin:0 0 8px;color:var(--ink);line-height:1.5;}
  .age-bar p{margin:0;font-size:14.5px;color:var(--muted);}
  .age-bar .chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
  .chip{
    font-size:12px;color:var(--ink);background:var(--sand);
    padding:4px 10px;border-radius:999px;
  }

  /* ============ 时间轴 ============ */
  .stage-nav{
    display:flex;flex-wrap:wrap;gap:8px;margin:32px 0 0;
    padding:14px 16px;background:var(--card);
    border:1px solid var(--line);border-radius:var(--radius-card);
  }
  .stage-nav a{
    font-size:13px;color:var(--muted);
    padding:6px 12px;border-radius:999px;
    border:1px solid transparent;
    transition:color .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease);
  }
  .stage-nav a:hover{color:var(--ink);background:var(--sand);border-color:var(--line);}

  .timeline{position:relative;margin-top:34px;}
  .timeline::before{
    content:"";position:absolute;left:23px;top:10px;bottom:10px;
    width:1px;background:var(--line);
  }
  .tl-item{position:relative;display:grid;grid-template-columns:48px 1fr;gap:18px;padding-bottom:26px;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-dot{
    width:48px;height:48px;border-radius:999px;
    background:var(--card);border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;
    font-size:14px;font-weight:800;color:var(--ink);
    letter-spacing:.02em;
    position:relative;z-index:1;
    transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  }
  .tl-body{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-1);
    padding:20px 24px;
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  }
  .tl-item:hover .tl-body{transform:translateY(-2px);border-color:var(--ink-2);box-shadow:var(--shadow-2);}
  .tl-item:hover .tl-dot{background:var(--ink);color:#fff;border-color:var(--ink);}
  .tl-title{font-size:1.15rem;font-weight:700;color:var(--ink);margin:0 0 8px;line-height:1.5;}
  .tl-text{margin:0;color:var(--muted);font-size:15px;}
  .tl-meta{margin:12px 0 0;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
  .tl-meta .dot{color:var(--line);}

  /* ============ 数据条 ============ */
  .stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-top:38px;}
  @media (min-width:768px){ .stats-grid{grid-template-columns:repeat(4,1fr);gap:24px;} }
  .stat{padding-right:8px;}
  .stat .value{
    font-size:clamp(2rem,4vw,3rem);
    font-weight:800;line-height:1.1;color:var(--accent);
    letter-spacing:-.02em;
  }
  .stat .value small{font-size:15px;font-weight:700;color:rgba(255,255,255,.7);margin-left:6px;letter-spacing:0;}
  .stat .label{font-size:14px;color:rgba(255,255,255,.78);margin-top:10px;}
  .stat-note{margin-top:30px;padding-top:24px;border-top:1px solid rgba(255,255,255,.16);display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;}
  .stat-note p{margin:0;color:rgba(255,255,255,.78);font-size:15px;max-width:640px;}

  /* ============ 准备清单 ============ */
  .prep-grid{display:grid;grid-template-columns:1fr;gap:32px;margin-top:36px;align-items:start;}
  @media (min-width:1024px){ .prep-grid{grid-template-columns:5fr 7fr;gap:48px;} }
  .prep-figure{margin:0;}
  .prep-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img);border:1px solid var(--line);background:var(--sand);}
  .prep-figure figcaption{font-size:13px;color:var(--muted);margin-top:12px;}
  .prep-list{display:grid;gap:18px;grid-template-columns:1fr;}
  @media (min-width:640px){ .prep-list{grid-template-columns:1fr 1fr;gap:20px;} }
  .prep-item{border-top:2px solid var(--ink);padding-top:14px;}
  .prep-item h3{font-size:1.05rem;font-weight:700;color:var(--ink);margin:0 0 8px;}
  .prep-item ul{list-style:none;margin:0;padding:0;display:grid;gap:6px;}
  .prep-item li{font-size:14.5px;color:var(--muted);display:flex;gap:9px;align-items:flex-start;}
  .prep-item li::before{content:"";width:5px;height:5px;background:var(--accent);margin-top:10px;flex:0 0 auto;}

  /* ============ 咨询条 ============ */
  .ask-band{
    background:var(--sand);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  }
  .ask-inner{
    min-height:72px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
    padding:14px 0;
  }
  .ask-inner p{margin:0;font-size:15px;color:var(--ink);font-weight:700;}

  /* ============ FAQ ============ */
  .faq-list{margin-top:32px;border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;background:transparent;border:0;cursor:pointer;
    display:flex;align-items:center;gap:16px;
    min-height:56px;padding:14px 0;
    text-align:left;
    transition:color .22s var(--ease);
  }
  .faq-q:hover .faq-text{color:var(--accent);}
  .faq-num{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.1em;flex:0 0 auto;}
  .faq-text{flex:1 1 auto;font-size:16px;font-weight:700;color:var(--ink);line-height:1.6;transition:color .22s var(--ease);}
  .faq-icon{
    flex:0 0 auto;width:28px;height:28px;border-radius:999px;
    border:1px solid var(--line);color:var(--ink);
    display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;
    transition:transform .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease);
  }
  .faq-item.is-open .faq-icon{transform:rotate(90deg);background:var(--ink);color:#fff;border-color:var(--ink);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
  .faq-a-inner{padding:0 0 20px 45px;}
  .faq-a-inner p{margin:0;font-size:15px;color:var(--muted);}

  /* ============ CTA 带 ============ */
  .cta-band{background:var(--ink);color:#fff;padding:56px 0;}
  .cta-inner{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;}
  .cta-inner h2{font-size:clamp(1.4rem,2.6vw,2rem);font-weight:800;margin:0;line-height:1.35;color:#fff;}
  .cta-inner p{margin:10px 0 0;font-size:15px;color:rgba(255,255,255,.78);max-width:620px;}

  /* ============ 页脚 ============ */
  .site-footer{background:#0E2F2B;color:rgba(255,255,255,.8);padding:56px 0 28px;font-size:14px;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
  @media (min-width:768px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px;} }
  .site-footer .brand-text{color:#fff;}
  .site-footer .brand-mark{background:var(--accent);color:#fff;}
  .footer-brand p{margin:14px 0 0;font-size:14px;color:rgba(255,255,255,.7);max-width:28em;}
  .footer-title{font-size:14px;font-weight:800;color:#fff;margin:0 0 14px;letter-spacing:.02em;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{color:rgba(255,255,255,.78);font-size:14px;text-decoration:underline;text-decoration-color:transparent;text-underline-offset:3px;transition:color .22s var(--ease),text-decoration-color .22s var(--ease);}
  .footer-links a:hover{color:#fff;text-decoration-color:var(--accent);}
  .footer-contact{display:flex;flex-direction:column;gap:10px;color:rgba(255,255,255,.78);font-size:14px;}
  .footer-contact strong{color:#fff;font-weight:700;}
  .privacy-line{
    margin:34px 0 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
    font-size:13px;color:rgba(255,255,255,.62);line-height:1.8;
  }
  .footer-bottom{
    margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
    display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.55);
  }

  /* ============ 弹层 ============ */
  .modal{position:fixed;inset:0;z-index:80;display:none;}
  .modal.is-open{display:flex;align-items:center;justify-content:center;}
  .modal-backdrop{position:absolute;inset:0;background:rgba(18,59,54,.55);}
  .modal-panel{
    position:relative;z-index:1;
    width:100%;max-width:520px;max-height:92vh;overflow-y:auto;
    background:#fff;border-radius:var(--radius-card);
    padding:26px 24px 24px;
    box-shadow:0 24px 60px rgba(18,59,54,.28);
    margin:0 16px;
  }
  @media (max-width:639px){
    .modal.is-open{align-items:flex-end;}
    .modal-panel{margin:0;border-radius:10px 10px 0 0;max-height:88vh;}
  }
  .modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;}
  .modal-title{font-size:1.15rem;font-weight:800;color:var(--ink);margin:0;line-height:1.5;}
  .modal-note{font-size:13px;color:var(--muted);margin:8px 0 0;}
  .modal-close{
    width:36px;height:36px;flex:0 0 auto;
    border:1px solid var(--line);background:#fff;border-radius:var(--radius-btn);
    color:var(--muted);cursor:pointer;font-size:16px;line-height:1;
    transition:border-color .22s var(--ease),color .22s var(--ease);
  }
  .modal-close:hover{border-color:var(--ink);color:var(--ink);}
  .field{margin-top:16px;}
  .field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;}
  .field input,.field select,.field textarea{
    width:100%;min-height:44px;
    border:1px solid var(--line);border-radius:var(--radius-btn);
    padding:10px 14px;background:#fff;color:var(--text);
    transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
  }
  .field textarea{min-height:88px;resize:vertical;line-height:1.7;}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(18,59,54,.10);
  }
  .field.has-error input,.field.has-error select{border-color:var(--warn);}
  .field-error{display:none;font-size:12px;color:var(--warn);margin-top:6px;}
  .field.has-error .field-error{display:block;}
  .form-tip{font-size:13px;color:var(--muted);margin:12px 0 0;line-height:1.7;}
  .form-success{
    display:none;margin-top:16px;padding:12px 14px;
    background:rgba(47,125,91,.10);border:1px solid rgba(47,125,91,.32);
    border-radius:var(--radius-btn);color:#1F5E3E;font-size:14px;
  }
  .form-success.is-show{display:block;}

  /* ============ 入场动效 ============ */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .3s var(--ease),transform .3s var(--ease);}
  .reveal.is-visible{opacity:1;transform:none;}
  @media (prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none;transition:none;}
    html{scroll-behavior:auto;}
    *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  }

  /* ============ 响应式导航 ============ */
  @media (max-width:1023px){
    .search-box{display:none;}
    .nav-toggle{display:flex;}
    .trend-link{display:none;}
    .header-channels{overflow:hidden;}
    .channels-inner{gap:14px;}
    .channel-nav{overflow-x:auto;gap:18px;-webkit-overflow-scrolling:touch;scrollbar-width:none;}
    .channel-nav::-webkit-scrollbar{display:none;}
    .hot-words{display:none;}
  }
  @media (min-width:1024px){
    .mobile-drawer{display:none;}
  }
  @media (max-width:520px){
    .hero-cta .btn{width:100%;}
    .stat .value{font-size:1.9rem;}
    .faq-a-inner{padding-left:0;}
    .tl-item{grid-template-columns:40px 1fr;gap:14px;}
    .tl-dot{width:40px;height:40px;font-size:13px;}
    .timeline::before{left:19px;}
    .tl-body{padding:18px;}
  }

/* roulang page: category4 */
:root{
    --ink:#123B36;
    --ink-2:#1F5E55;
    --ink-deep:#0C2A26;
    --accent:#E1793A;
    --accent-deep:#C96A2F;
    --sand:#F5F1E9;
    --bg:#FBFAF7;
    --card:#FFFFFF;
    --line:#E5E0D6;
    --text:#151A18;
    --muted:#5F6B67;
    --ok:#2F7D5B;
    --warn:#B4791F;
    --r-card:10px;
    --r-btn:6px;
    --r-img:8px;
    --sh-1:0 1px 2px rgba(18,59,54,.04);
    --sh-2:0 8px 24px rgba(18,59,54,.10);
    --ease:cubic-bezier(.22,.61,.36,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
    font-size:16px;
    line-height:1.9;
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto;}
  a{color:var(--ink);text-decoration:none;transition:color .22s var(--ease);}
  a:hover{color:var(--accent);}
  button,input,select,textarea{font:inherit;color:inherit;}
  button{background:none;border:0;padding:0;}
  :focus-visible{outline:2px solid var(--ink-2);outline-offset:2px;}
  ::selection{background:rgba(225,121,58,.22);}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
  @media (min-width:768px){.container{padding-left:32px;padding-right:32px;}}
  @media (min-width:1024px){.container{padding-left:40px;padding-right:40px;}}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(251,250,247,.95);
    backdrop-filter:blur(6px);
    -webkit-backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .22s var(--ease);
  }
  .site-header.is-scrolled{box-shadow:0 6px 18px rgba(18,59,54,.08);}
  .header-top-inner{
    display:flex;align-items:center;gap:18px;height:64px;
    transition:height .22s var(--ease);
  }
  .site-header.is-scrolled .header-top-inner{height:56px;}
  .brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);flex:0 0 auto;}
  .brand:hover{color:var(--ink);}
  .brand-mark{
    display:inline-flex;align-items:center;justify-content:center;
    min-width:38px;height:30px;padding:0 8px;
    background:var(--ink);color:#fff;border-radius:var(--r-btn);
    font-size:14px;font-weight:800;letter-spacing:.02em;
  }
  .brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
  .search-box{position:relative;flex:1 1 auto;max-width:420px;display:none;}
  @media (min-width:1024px){.search-box{display:block;}}
  .search-box input{
    width:100%;height:40px;padding:0 38px 0 14px;
    border:1px solid var(--line);border-radius:var(--r-btn);
    background:#fff;font-size:14px;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .search-box input::placeholder{color:#9AA5A1;}
  .search-box input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(31,94,85,.12);}
  .search-icon{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:16px;pointer-events:none;}
  .header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
  .trend-link{display:none;align-items:center;font-size:14px;color:var(--muted);padding:8px 12px;border-radius:var(--r-btn);}
  @media (min-width:1024px){.trend-link{display:inline-flex;}}
  .trend-link:hover{color:var(--ink);background:var(--sand);}
  .nav-toggle{
    display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
    width:44px;height:44px;padding:0 10px;
    border:1px solid var(--line);border-radius:var(--r-btn);cursor:pointer;
  }
  .nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease);}
  @media (min-width:1024px){.nav-toggle{display:none;}}
  body.drawer-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  body.drawer-open .nav-toggle span:nth-child(2){opacity:0;}
  body.drawer-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .header-channels{border-top:1px solid var(--line);display:none;}
  @media (min-width:1024px){.header-channels{display:block;}}
  .channels-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:44px;}
  .channel-nav{display:flex;align-items:center;gap:22px;overflow-x:auto;scrollbar-width:none;}
  .channel-nav::-webkit-scrollbar{display:none;}
  .channel-link{position:relative;font-size:14px;color:var(--muted);white-space:nowrap;padding:4px 0;}
  .channel-link:hover{color:var(--ink);}
  .channel-link.is-active{color:var(--ink);font-weight:700;}
  .channel-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-11px;height:2px;background:var(--accent);border-radius:2px;}
  .hot-words{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
  .hot-word{font-size:13px;color:var(--muted);}
  .hot-word:hover{color:var(--ink);}

  /* ---------- 移动端抽屉 ---------- */
  .mobile-drawer{
    position:fixed;inset:0;z-index:60;background:#fff;
    transform:translateX(103%);visibility:hidden;
    transition:transform .28s var(--ease),visibility .28s var(--ease);
    overflow-y:auto;padding:88px 20px 40px;
  }
  body.drawer-open .mobile-drawer{transform:none;visibility:visible;}
  body.drawer-open{overflow:hidden;}
  .drawer-search{display:block;}
  .drawer-search input{
    width:100%;height:46px;padding:0 14px;font-size:15px;
    border:1px solid var(--line);border-radius:var(--r-btn);background:var(--bg);
  }
  .drawer-search input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(31,94,85,.12);}
  .drawer-group{margin-top:24px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-direction:column;}
  .drawer-label{font-size:13px;color:var(--muted);margin-bottom:8px;}
  .drawer-link{display:flex;align-items:center;min-height:48px;font-size:15px;color:var(--ink);border-bottom:1px solid var(--line);}
  .drawer-link:last-child{border-bottom:0;}
  .drawer-link.is-active{color:var(--accent);font-weight:700;}
  .drawer-hot{display:flex;flex-wrap:wrap;gap:10px;}
  .drawer-hot a{font-size:13px;padding:8px 14px;background:var(--sand);border-radius:999px;color:var(--ink);}
  .drawer-cta{margin-top:26px;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:11px 22px;border-radius:var(--r-btn);
    font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer;
    white-space:nowrap;
    transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
  }
  .btn .arrow{transition:transform .22s var(--ease);}
  .btn-primary{background:var(--accent);color:#fff;}
  .btn-primary:hover{background:var(--accent-deep);color:#fff;}
  .btn-primary:hover .arrow{transform:translateX(4px);}
  .btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
  .btn-ghost:hover{background:var(--ink);color:#fff;}
  .btn-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
  .btn-light:hover{background:rgba(255,255,255,.14);color:#fff;}
  .btn-block{width:100%;}

  /* ---------- Hero ---------- */
  .qa-hero{
    padding:28px 0 44px;
    border-bottom:1px solid var(--line);
    background-image:linear-gradient(rgba(229,224,214,.30) 1px,transparent 1px),linear-gradient(90deg,rgba(229,224,214,.30) 1px,transparent 1px);
    background-size:24px 24px;
    background-position:center top;
  }
  .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(--ink);}
  .breadcrumb .current{color:var(--ink);font-weight:600;}
  .eyebrow{margin:0 0 12px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--accent);}
  .page-title{
    margin:0 0 18px;
    font-size:clamp(2rem,5vw,3.25rem);
    font-weight:900;line-height:1.22;letter-spacing:-.02em;color:var(--ink);
  }
  .lead{margin:0 0 26px;font-size:17px;line-height:1.9;color:var(--muted);max-width:36em;}
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;}
  .hero-figure{
    border:1px solid var(--line);border-radius:var(--r-card);
    overflow:hidden;background:var(--sand);box-shadow:var(--sh-1);
  }
  .hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--sand);animation:fadeScale .6s var(--ease) both;}
  @keyframes fadeScale{from{opacity:0;transform:scale(1.02);}to{opacity:1;transform:scale(1);}}
  .hero-figure figcaption{padding:12px 16px;font-size:13px;color:var(--muted);background:var(--card);border-top:1px solid var(--line);}
  .anchor-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;padding-top:22px;border-top:1px solid var(--line);}
  .chip{
    display:inline-flex;align-items:center;min-height:38px;padding:7px 15px;
    border-radius:999px;background:var(--sand);color:var(--ink);font-size:13px;
    border:1px solid transparent;
    transition:background-color .22s var(--ease),color .22s var(--ease);
  }
  .chip:hover{background:var(--ink);color:#fff;}
  .chip.is-current{background:var(--ink);color:#fff;}

  /* ---------- 速答带 ---------- */
  .quick-band{background:var(--card);border-bottom:1px solid var(--line);}
  .quick-grid{display:grid;grid-template-columns:1fr;}
  @media (min-width:768px){.quick-grid{grid-template-columns:repeat(3,1fr);}}
  .quick-item{display:flex;flex-direction:column;gap:10px;padding:28px 0;border-bottom:1px solid var(--line);}
  .quick-item:last-child{border-bottom:0;}
  @media (min-width:768px){
    .quick-item{padding:38px 32px;border-bottom:0;border-right:1px solid var(--line);}
    .quick-item:first-child{padding-left:0;}
    .quick-item:last-child{border-right:0;padding-right:0;}
  }
  .quick-no{font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--accent);}
  .quick-title{font-size:17px;font-weight:700;line-height:1.55;color:var(--ink);}
  .quick-text{font-size:14px;color:var(--muted);line-height:1.85;}

  /* ---------- 通用板块 ---------- */
  .section{padding:64px 0;}
  @media (min-width:1024px){.section{padding:80px 0;}}
  .section-sand{background:var(--sand);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .section-head{max-width:46em;margin-bottom:36px;}
  .sec-head{display:flex;align-items:baseline;gap:14px;margin-bottom:12px;}
  .sec-index{font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--accent);}
  .sec-title{margin:0;font-size:clamp(1.5rem,3vw,2.25rem);font-weight:800;line-height:1.28;letter-spacing:-.01em;color:var(--ink);}
  .sec-desc{font-size:15px;color:var(--muted);line-height:1.9;}
  .on-ink .sec-title,.on-ink .sec-desc{color:#fff;}
  .on-ink .sec-desc{color:rgba(255,255,255,.74);}

  /* ---------- 场景卡 ---------- */
  .scene-grid{display:grid;grid-template-columns:1fr;gap:20px;}
  @media (min-width:768px){.scene-grid{grid-template-columns:repeat(2,1fr);gap:24px;}}
  .card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--sh-1);
    transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
  }
  .card:hover{border-color:var(--ink-2);box-shadow:var(--sh-2);transform:translateY(-2px);}
  .card-body{padding:24px;}
  @media (min-width:1024px){.card-body{padding:28px;}}
  .card-kicker{font-size:12.5px;font-weight:800;letter-spacing:.12em;color:var(--accent);margin-bottom:10px;}
  .card-title{margin-bottom:10px;font-size:1.0625rem;font-weight:700;line-height:1.55;color:var(--ink);}
  .card-text{font-size:14.5px;color:var(--muted);line-height:1.85;}

  /* ---------- 处理方式长条 ---------- */
  .how-aside{position:relative;}
  .how-aside figure{
    border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--sand);
  }
  .how-aside img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--sand);}
  .how-aside figcaption{padding:20px 22px;background:var(--card);border-top:1px solid var(--line);}
  .how-aside h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:8px;}
  .how-aside p{font-size:14px;color:var(--muted);line-height:1.85;}
  .tip-list{display:flex;flex-direction:column;gap:18px;}
  .tip-card{
    display:grid;grid-template-columns:1fr;gap:12px;padding:24px;
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
    transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
  }
  .tip-card:hover{border-color:var(--ink-2);box-shadow:var(--sh-2);transform:translateY(-2px);}
  @media (min-width:768px){.tip-card{grid-template-columns:72px 1fr;gap:24px;padding:26px 28px;align-items:start;}}
  .tip-no{font-size:15px;font-weight:800;letter-spacing:.1em;color:var(--accent);}
  .tip-card h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:8px;}
  .tip-card p{font-size:14.5px;color:var(--muted);line-height:1.85;}
  .tip-points{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:14px;padding:0;list-style:none;}
  .tip-points li{position:relative;padding-left:16px;font-size:13.5px;color:var(--muted);}
  .tip-points li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--accent);}

  /* ---------- 流程时间轴 ---------- */
  .timeline{position:relative;margin:0;padding:0 0 0 26px;list-style:none;border-left:1px solid var(--line);}
  .tl-item{position:relative;padding-bottom:32px;}
  .tl-item:last-child{padding-bottom:0;}
  .tl-item::before{
    content:"";position:absolute;left:-32px;top:9px;width:11px;height:11px;border-radius:50%;
    background:var(--sand);border:2px solid var(--accent);
  }
  .section-sand .tl-item::before{background:var(--sand);}
  .tl-step{font-size:12.5px;font-weight:800;letter-spacing:.12em;color:var(--accent);}
  .tl-title{margin:6px 0 6px;font-size:17px;font-weight:700;color:var(--ink);}
  .tl-text{font-size:14.5px;color:var(--muted);line-height:1.85;}

  /* ---------- 数据带 ---------- */
  .metrics{background:var(--ink);color:#fff;padding:60px 0;}
  @media (min-width:1024px){.metrics{padding:76px 0;}}
  .metrics-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;}
  @media (min-width:768px){.metrics-grid{grid-template-columns:repeat(4,1fr);gap:28px;}}
  .metric-num{font-size:clamp(1.75rem,3.6vw,2.5rem);font-weight:800;line-height:1.1;color:var(--accent);}
  .metric-unit{font-size:14px;font-weight:600;color:#fff;margin-left:6px;}
  .metric-label{margin-top:10px;font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.72);}
  .metrics-foot{margin-top:34px;padding-top:24px;border-top:1px solid rgba(255,255,255,.18);font-size:14px;color:rgba(255,255,255,.72);line-height:1.9;}

  /* ---------- FAQ ---------- */
  .faq-list{max-width:880px;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item:first-child{border-top:1px solid var(--line);}
  .faq-q{
    display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;
    min-height:52px;padding:18px 0;text-align:left;
    font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;
    transition:color .22s var(--ease);
  }
  .faq-q:hover{color:var(--accent);}
  .faq-icon{
    flex:0 0 auto;width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;
    border-radius:50%;border:1px solid var(--line);color:var(--ink);font-size:13px;
    transition:transform .25s var(--ease),background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
  }
  .faq-item.is-open .faq-icon{transform:rotate(90deg);background:var(--ink);color:#fff;border-color:var(--ink);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
  .faq-a-inner{padding:0 0 20px;font-size:15px;line-height:1.95;color:var(--muted);}

  /* ---------- 咨询表单（深底） ---------- */
  .consult{background:var(--ink);color:#fff;padding:64px 0;}
  @media (min-width:1024px){.consult{padding:84px 0;}}
  .consult-grid{display:grid;grid-template-columns:1fr;gap:36px;}
  @media (min-width:1024px){.consult-grid{grid-template-columns:5fr 7fr;gap:56px;align-items:start;}}
  .consult-title{margin:0 0 14px;font-size:clamp(1.5rem,3vw,2.25rem);font-weight:800;line-height:1.3;color:#fff;}
  .consult-text{font-size:15px;line-height:1.9;color:rgba(255,255,255,.74);margin-bottom:24px;}
  .consult-points{margin:0;padding:0;list-style:none;display:grid;gap:12px;}
  .consult-points li{position:relative;padding-left:22px;font-size:14px;color:rgba(255,255,255,.8);}
  .consult-points li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--accent);}
  .form-grid{display:grid;gap:18px;}
  .form-row{display:grid;gap:18px;}
  @media (min-width:640px){.form-row{grid-template-columns:1fr 1fr;}}
  .field{display:flex;flex-direction:column;gap:7px;}
  .field label{font-size:13px;color:rgba(255,255,255,.72);}
  .field input,.field select,.field textarea{
    width:100%;min-height:46px;padding:11px 14px;
    border:1px solid rgba(255,255,255,.26);border-radius:var(--r-btn);
    background:rgba(255,255,255,.06);color:#fff;font-size:15px;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
  }
  .field textarea{min-height:112px;resize:vertical;line-height:1.8;}
  .field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.42);}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:#fff;background:rgba(255,255,255,.1);
    box-shadow:0 0 0 3px rgba(225,121,58,.28);
  }
  .field select option{color:#123B36;background:#fff;}
  .field-msg{display:none;font-size:12px;color:#F0C08A;}
  .field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#E4B27C;}
  .field.has-error .field-msg{display:block;}
  .form-privacy{
    margin-top:16px;font-size:13px;line-height:1.8;color:rgba(255,255,255,.62);
    border-top:1px solid rgba(255,255,255,.16);padding-top:16px;
  }
  .form-privacy a{color:#fff;text-decoration:underline;text-underline-offset:3px;}
  .form-success{
    display:none;margin-top:16px;padding:12px 14px;font-size:14px;
    border:1px solid rgba(47,125,91,.7);background:rgba(47,125,91,.22);color:#CFEBDE;border-radius:var(--r-btn);
  }
  .form-success.is-visible{display:block;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding-top:56px;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:34px;padding-bottom:28px;}
  @media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}}
  .site-footer .brand{color:#fff;}
  .site-footer .brand-mark{background:var(--accent);color:#fff;}
  .site-footer .brand-text{color:#fff;}
  .footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:30em;}
  .footer-title{margin-bottom:16px;font-size:15px;font-weight:700;color:#fff;}
  .footer-links{display:flex;flex-direction:column;gap:11px;}
  .footer-links a{font-size:14px;color:rgba(255,255,255,.7);}
  .footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
  .footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;color:rgba(255,255,255,.7);}
  .footer-contact strong{color:#fff;font-weight:600;}
  .privacy-line{
    margin:0;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
    font-size:13px;line-height:1.85;color:rgba(255,255,255,.58);
  }
  .footer-bottom{
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
    margin-top:20px;padding:18px 0 28px;border-top:1px solid rgba(255,255,255,.14);
    font-size:13px;color:rgba(255,255,255,.52);
  }

  /* ---------- 入场动画 ---------- */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .3s var(--ease),transform .3s var(--ease);}
  .reveal.is-visible{opacity:1;transform:none;}

  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;}
    html{scroll-behavior:auto;}
    .reveal{opacity:1;transform:none;}
  }