/* roulang page: index */
:root{
  --bg:#F5F1EA;
  --bg-2:#EDE8DF;
  --dark:#141A18;
  --dark-2:#1C2422;
  --brand:#1F5F55;
  --brand-d:#163F39;
  --brand-l:#7FB0A7;
  --accent:#D9773D;
  --ink:#1A1F1E;
  --ink-2:#5C6663;
  --ink-3:#9AA3A0;
  --line:#E2DCD2;
  --mist:#C9D8CE;
  --r-card:18px;
  --r-img:14px;
  --r-pill:999px;
  --r-input:12px;
  --shadow:0 1px 2px rgba(20,26,24,.04), 0 12px 32px -12px rgba(20,26,24,.12);
  --shadow-lg:0 2px 4px rgba(20,26,24,.05), 0 24px 48px -18px rgba(20,26,24,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec:120px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  letter-spacing:.01em;
}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:800;line-height:1.28;letter-spacing:-.02em;color:var(--ink);}
p{margin:0;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;line-height:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
::selection{background:var(--brand);color:#fff;}

.container{width:min(1180px,calc(100% - 48px));margin:0 auto;}
.section{padding:var(--sec) 0;}
.section--tight{padding:84px 0;}
.section--dark{background:var(--dark);color:#EDE8DF;}
.section--alt{background:var(--bg-2);}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);display:block;}
.section--dark .eyebrow{color:var(--brand-l);}
.sec-head{max-width:720px;margin-bottom:56px;}
.sec-head h2{font-size:clamp(26px,3.4vw,40px);margin:14px 0 16px;}
.sec-head p{color:var(--ink-2);font-size:16.5px;}
.section--dark .sec-head p{color:#A9B2AE;}

/* ---------- 浮动 Dock 导航 ---------- */
.topbar{
  position:fixed;top:16px;left:0;right:0;z-index:120;
  display:flex;flex-direction:column;align-items:center;gap:10px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:min(1180px,calc(100% - 40px));
  display:flex;align-items:center;gap:16px;
  padding:9px 12px 9px 20px;
  background:rgba(245,241,234,.92);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:0 1px 2px rgba(20,26,24,.04),0 14px 34px -16px rgba(20,26,24,.2);
  transition:width .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease);
}
.dock.is-scrolled{
  width:min(1010px,calc(100% - 40px));
  background:rgba(245,241,234,.97);
  box-shadow:0 1px 2px rgba(20,26,24,.06),0 20px 44px -18px rgba(20,26,24,.3);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-d) 100%);
  color:#fff;font-weight:800;font-size:15px;letter-spacing:-.03em;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px -6px rgba(31,95,85,.7);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-weight:800;font-size:15.5px;letter-spacing:-.02em;}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.16em;font-weight:600;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock-nav a{
  position:relative;padding:9px 14px;font-size:14.5px;font-weight:600;color:var(--ink-2);
  border-radius:var(--r-pill);white-space:nowrap;
}
.dock-nav a:hover{color:var(--brand);background:rgba(31,95,85,.07);}
.dock-nav a.is-active{color:var(--brand-d);}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--accent);border-radius:2px;
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--ink-2);background:rgba(255,255,255,.5);
  transition:all .2s var(--ease);
}
.icon-btn:hover{border-color:var(--brand-l);color:var(--brand);transform:translateY(-1px);}
.burger{display:none;}

/* ---------- 倒计时条 ---------- */
.countdown{
  pointer-events:auto;
  width:min(1180px,calc(100% - 40px));
  min-height:48px;
  display:flex;align-items:center;gap:18px;
  padding:8px 12px 8px 20px;
  border-radius:var(--r-pill);
  background:var(--dark);
  color:#E8E3DA;
  box-shadow:0 12px 30px -18px rgba(20,26,24,.7);
}
.countdown-label{display:flex;align-items:center;gap:9px;font-size:13.5px;font-weight:700;letter-spacing:.02em;}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(217,119,61,.22);}
.clock{display:flex;align-items:center;gap:6px;margin:0 auto;}
.clock-unit{display:flex;flex-direction:column;align-items:center;min-width:46px;}
.clock-unit b{
  font-size:20px;font-weight:800;line-height:1.1;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.clock-unit span{font-size:10.5px;color:#8E9793;letter-spacing:.12em;}
.clock-sep{color:#5A625F;font-weight:700;transform:translateY(-6px);}
.countdown .btn-sm{flex:0 0 auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:all .2s var(--ease);border:1px solid transparent;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px -14px rgba(31,95,85,.9);}
.btn-primary:hover{background:var(--brand-d);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(31,95,85,.95);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-light{background:#F5F1EA;color:var(--dark);}
.btn-light:hover{background:#fff;color:var(--dark);transform:translateY(-2px);}
.btn-outline-light{background:transparent;border-color:rgba(245,241,234,.35);color:#EDE8DF;}
.btn-outline-light:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}
.btn-sm{min-height:36px;padding:0 16px;font-size:13.5px;}
.btn .arrow{transition:transform .2s var(--ease);}
.btn:hover .arrow{transform:translateX(4px);}
.link-underline{
  position:relative;font-weight:700;color:var(--brand);padding-bottom:3px;
  background-image:linear-gradient(var(--accent),var(--accent));
  background-size:0 2px;background-repeat:no-repeat;background-position:0 100%;
  transition:background-size .26s var(--ease),color .2s var(--ease);
}
.link-underline:hover{background-size:100% 2px;color:var(--brand-d);}
.section--dark .link-underline{color:var(--brand-l);}
.section--dark .link-underline:hover{color:#fff;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:190px 0 96px;
  color:#fff;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,26,24,.88) 0%,rgba(20,26,24,.74) 55%,rgba(20,26,24,.86) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:880px;}
.hero .eyebrow{color:var(--brand-l);}
.hero h1{
  font-size:clamp(34px,5.2vw,62px);
  color:#fff;margin:22px 0 20px;letter-spacing:-.025em;
}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero-sub{font-size:clamp(16px,1.6vw,19px);color:#CFD6D2;max-width:620px;line-height:1.8;}
.hero-cta{display:flex;align-items:center;gap:20px;margin-top:38px;flex-wrap:wrap;}
.hero-stats{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  margin-top:76px;border-top:1px solid rgba(245,241,234,.16);
  padding-top:32px;
}
.hero-stat{padding-right:24px;border-right:1px solid rgba(245,241,234,.12);}
.hero-stat:last-child{border-right:0;}
.hero-stat b{
  display:block;font-size:clamp(28px,3.4vw,42px);font-weight:800;color:#fff;
  font-variant-numeric:tabular-nums;line-height:1.1;letter-spacing:-.02em;
}
.hero-stat b i{font-style:normal;font-size:.55em;color:var(--accent);margin-left:4px;}
.hero-stat span{display:block;margin-top:8px;font-size:13.5px;color:#9AA3A0;}

/* ---------- 卖点 ---------- */
.merits{border-top:1px solid var(--line);}
.merit{
  display:grid;grid-template-columns:120px 1fr 300px;gap:32px;align-items:start;
  padding:38px 0;border-bottom:1px solid var(--line);
  transition:padding-left .28s var(--ease);
}
.merit:hover{padding-left:12px;}
.merit-num{
  font-size:clamp(34px,4vw,52px);font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;line-height:1;letter-spacing:-.04em;
  opacity:.9;
}
.merit h3{font-size:clamp(20px,2vw,24px);}
.merit h3 span{display:block;font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.14em;text-transform:uppercase;margin-top:8px;}
.merit p{color:var(--ink-2);font-size:16px;}

/* ---------- 图墙 ---------- */
.gallery{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:var(--line);
  border-radius:var(--r-img);overflow:hidden;
}
.gal-item{position:relative;overflow:hidden;background:var(--dark);}
.gal-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.gal-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,26,24,0) 40%,rgba(20,26,24,.82) 100%);
  transition:opacity .3s var(--ease);
}
.gal-item:hover img{transform:scale(1.03);}
.gal-cap{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:#fff;
  font-weight:700;font-size:15px;letter-spacing:.01em;
}
.gal-cap small{display:block;font-weight:600;font-size:12px;color:#B9C2BE;letter-spacing:.1em;margin-top:4px;}
.g1{grid-column:span 2;aspect-ratio:2/1;}
.g2{grid-column:span 1;aspect-ratio:1/1;}
.g3{grid-column:span 1;aspect-ratio:1/1;}
.g4{grid-column:span 4;aspect-ratio:4/1;}

/* ---------- 信任 / 证据 ---------- */
.proof{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center;}
.proof-quote{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px;box-shadow:var(--shadow);
}
.proof-quote blockquote{
  margin:0 0 24px;font-size:18px;line-height:1.85;color:var(--ink);
  padding-left:20px;border-left:3px solid var(--accent);
}
.proof-quote cite{font-style:normal;font-size:13.5px;color:var(--ink-3);font-weight:600;}
.proof-list li{
  display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line);
}
.proof-list li:first-child{padding-top:0;}
.proof-list b{font-size:22px;color:var(--brand);font-variant-numeric:tabular-nums;min-width:78px;font-weight:800;}
.proof-list span{color:var(--ink-2);font-size:15.5px;}

/* ---------- 报名表单 ---------- */
.signup{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start;}
.signup h2{font-size:clamp(26px,3.4vw,40px);color:#fff;margin:14px 0 18px;}
.signup-desc{color:#A9B2AE;font-size:16px;max-width:420px;}
.signup-notes{margin-top:32px;display:flex;flex-direction:column;gap:14px;}
.signup-notes li{display:flex;gap:12px;font-size:14.5px;color:#C3CAC6;}
.signup-notes li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:9px;flex:0 0 auto;}
form.signup-form{
  background:rgba(245,241,234,.05);
  border:1px solid rgba(245,241,234,.16);
  border-radius:var(--r-card);
  padding:34px;
}
.field{margin-bottom:20px;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:#D8DEDA;margin-bottom:8px;letter-spacing:.02em;}
.field input,.field select{
  width:100%;min-height:48px;padding:0 16px;
  background:rgba(245,241,234,.08);
  border:1px solid rgba(245,241,234,.2);
  border-radius:var(--r-input);
  color:#F5F1EA;font-size:15px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
  appearance:none;
}
.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239AA3A0' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;}
.field input::placeholder{color:#78817D;}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--accent);background:rgba(245,241,234,.13);
  box-shadow:0 0 0 3px rgba(217,119,61,.18);
}
.field.has-error input,.field.has-error select{border-color:#E06A5A;background:rgba(224,106,90,.12);}
.field-error{display:none;margin-top:7px;font-size:12.5px;color:#F0A196;}
.field.has-error .field-error{display:block;}
.check{display:flex;gap:11px;align-items:flex-start;font-size:13.5px;color:#B9C2BE;line-height:1.7;}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--accent);flex:0 0 auto;}
.signup-form .btn{width:100%;margin-top:8px;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:250px 1fr;gap:64px;align-items:start;}
.faq-side{position:sticky;top:150px;}
.faq-side h2{font-size:clamp(26px,3.2vw,36px);}
.faq-side p{color:var(--ink-2);font-size:15px;margin-top:16px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:18px;
  padding:22px 4px;font-size:17px;font-weight:700;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item summary .mark{
  margin-left:auto;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-weight:700;color:var(--brand);transition:transform .25s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.faq-item[open] summary{color:var(--brand-d);}
.faq-item[open] summary .mark{transform:rotate(45deg);background:var(--accent);border-color:var(--accent);color:#fff;}
.faq-answer{
  padding:0 4px 26px;color:var(--ink-2);font-size:16px;line-height:1.85;max-width:760px;
}

/* ---------- 最新信息 ---------- */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:36px;}
.tab{
  padding:9px 18px;border-radius:var(--r-pill);border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink-2);background:transparent;
  transition:all .2s var(--ease);
}
.tab:hover{border-color:var(--brand-l);color:var(--brand);}
.tab.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}
.news-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:32px;}
.news-side{display:flex;flex-direction:column;gap:20px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#D5CEC2;}
.news-thumb{display:block;overflow:hidden;aspect-ratio:16/9;background:var(--bg-2);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-card--lead .news-body{padding:30px 32px 32px;}
.news-card--lead .news-title{font-size:clamp(20px,2.1vw,26px);}
.badge{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--mist);color:var(--brand-d);
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.news-title{font-size:17.5px;font-weight:700;line-height:1.55;}
.news-title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover .news-title a{color:var(--accent);}
.news-sum{
  color:var(--ink-2);font-size:14.8px;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:12px;display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;
}
.news-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-3);}
.news-card--mini{flex-direction:row;align-items:stretch;}
.news-card--mini .news-thumb{width:150px;flex:0 0 150px;aspect-ratio:auto;}
.news-card--mini .news-body{padding:20px 22px;}
.news-card--mini .news-title{font-size:15.5px;}
.news-card--mini .news-sum{-webkit-line-clamp:2;font-size:13.8px;}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);
  padding:64px 24px;text-align:center;background:#fff;
}
.empty-state .ico{font-size:32px;color:var(--brand-l);}
.empty-state p{margin-top:14px;color:var(--ink-2);}
.news-foot{margin-top:44px;display:flex;justify-content:center;}

/* ---------- 页脚 ---------- */
.footer{background:var(--dark);color:#9AA3A0;padding:84px 0 34px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;}
.footer .brand-name{color:#F5F1EA;}
.footer .brand-sub{color:#6E7773;}
.footer-about{margin-top:20px;font-size:14.5px;line-height:1.85;max-width:300px;color:#8B9491;}
.footer h4{color:#EDE8DF;font-size:14px;font-weight:700;letter-spacing:.06em;margin-bottom:18px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14.5px;color:#9AA3A0;}
.footer-links a:hover{color:var(--accent);}
.footer-contact li{font-size:14.5px;margin-bottom:11px;line-height:1.7;}
.footer-contact b{display:block;color:#6E7773;font-size:12px;font-weight:700;letter-spacing:.1em;}
.footer-bottom{
  margin-top:64px;padding-top:24px;border-top:1px solid rgba(245,241,234,.1);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:12.5px;color:#6E7773;
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid rgba(245,241,234,.18);color:#C3CAC6;font-size:13px;font-weight:600;
  transition:all .2s var(--ease);
}
.to-top:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  :root{--sec:108px;}
}
@media (max-width:1024px){
  :root{--sec:96px;}
  .merit{grid-template-columns:90px 1fr;gap:24px;}
  .merit p{grid-column:2;}
  .proof{grid-template-columns:1fr;gap:40px;}
  .signup{grid-template-columns:1fr;gap:44px;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .faq-side{position:static;}
  .news-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
}
@media (max-width:960px){
  .dock{padding:8px 10px 8px 16px;}
  .dock-nav{display:none;}
  .dock-actions{margin-left:auto;}
  .burger{display:flex;}
  .mobile-panel{
    pointer-events:auto;display:none;
    width:min(1180px,calc(100% - 40px));
    background:rgba(245,241,234,.98);
    border:1px solid var(--line);border-radius:22px;
    padding:14px;box-shadow:var(--shadow-lg);
  }
  .mobile-panel.is-open{display:block;}
  .mobile-panel a{
    display:block;padding:13px 16px;border-radius:14px;
    font-size:15.5px;font-weight:600;color:var(--ink-2);
  }
  .mobile-panel a:hover,.mobile-panel a.is-active{background:rgba(31,95,85,.08);color:var(--brand-d);}
  .hero{padding-top:172px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:26px 0;}
  .hero-stat:nth-child(2){border-right:0;}
  .hero-stat:nth-child(1),.hero-stat:nth-child(2){padding-bottom:20px;}
}
@media (max-width:768px){
  .container{width:calc(100% - 36px);}
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .sec-head{margin-bottom:36px;}
  .merit{grid-template-columns:1fr;gap:14px;padding:30px 0;}
  .merit p{grid-column:auto;}
  .merit-num{font-size:32px;}
  .gallery{grid-template-columns:repeat(2,1fr);}
  .g1{grid-column:span 2;aspect-ratio:16/9;}
  .g4{grid-column:span 2;aspect-ratio:16/9;}
  .signup-form{padding:24px;}
  .field-row{grid-template-columns:1fr;gap:0;}
  .news-card--mini{flex-direction:column;}
  .news-card--mini .news-thumb{width:100%;flex:auto;aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr;gap:34px;}
  .faq-item summary{font-size:16px;padding:18px 2px;}
}
@media (max-width:600px){
  .hero{padding:150px 0 64px;}
  .hero-cta{flex-direction:column;align-items:stretch;gap:14px;}
  .hero-cta .btn{width:100%;}
  .hero-cta .link-underline{align-self:center;}
  .hero-stats{margin-top:48px;}
  .countdown{min-height:44px;padding:6px 10px 6px 14px;gap:10px;}
  .countdown-label span,.countdown .btn-sm{display:none;}
  .clock{margin-left:auto;}
  .clock-unit{min-width:36px;}
  .clock-unit b{font-size:17px;}
  .clock-unit span{font-size:9.5px;}
  .brand-sub{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --bg:#F5F1EA;
  --bg-2:#EDE8DF;
  --ink:#141A18;
  --primary:#1F5F55;
  --primary-dark:#163F39;
  --primary-light:#7FB0A7;
  --accent:#D9773D;
  --text:#1A1F1E;
  --text-2:#5C6663;
  --text-3:#9AA3A0;
  --line:#E2DCD2;
  --mist:#C9D8CE;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --pill:999px;
  --shadow:0 1px 2px rgba(20,26,24,.04),0 12px 32px -12px rgba(20,26,24,.12);
  --shadow-lg:0 2px 4px rgba(20,26,24,.05),0 26px 52px -20px rgba(20,26,24,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec:clamp(56px,7vw,104px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:112px 0 0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:90;
  width:min(1180px,calc(100% - 32px));
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 18px;
  background:rgba(245,241,234,.94);
  border:1px solid var(--line);border-radius:var(--pill);
  box-shadow:var(--shadow);
  transition:width .35s var(--ease),top .35s var(--ease),box-shadow .35s var(--ease),background .35s var(--ease);
}
.dock.is-scrolled{top:10px;width:min(1030px,calc(100% - 32px));box-shadow:var(--shadow-lg);background:rgba(245,241,234,.985)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(150deg,var(--primary),var(--primary-dark));
  color:#fff;display:grid;place-items:center;font-size:15px;font-weight:800;
}
.brand-text{display:flex;flex-direction:column;line-height:1.16}
.brand-name{font-size:16px;font-weight:800}
.brand-sub{font-size:9.5px;letter-spacing:.16em;color:var(--text-3);font-weight:600}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.dock-nav a{
  position:relative;padding:9px 13px;border-radius:var(--pill);
  font-size:14.5px;font-weight:600;color:var(--text-2);white-space:nowrap;
}
.dock-nav a:hover{color:var(--primary-dark);background:var(--bg-2)}
.dock-nav a.is-active{color:var(--primary-dark)}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;background:var(--accent);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;border-radius:var(--pill);border:1px solid var(--line);
  background:transparent;color:var(--text-2);display:grid;place-items:center;cursor:pointer;
  transition:all .2s var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary-light);background:var(--bg-2)}
.burger{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px -14px rgba(31,95,85,.8)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 18px 32px -16px rgba(31,95,85,.85)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-2px)}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 16px 30px -16px rgba(217,119,61,.9)}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--primary);
  border-bottom:2px solid transparent;padding-bottom:2px;
}
.link-arrow:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- 通告细条 ---------- */
.notice-bar{
  display:flex;align-items:center;gap:14px;
  padding:11px 20px;margin-bottom:6px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--pill);
  font-size:13.5px;color:var(--text-2);
}
.notice-bar .dot-live{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto;box-shadow:0 0 0 4px rgba(217,119,61,.16)}
.notice-bar strong{color:var(--text);font-weight:700}
.notice-bar .notice-cta{margin-left:auto;font-weight:700;color:var(--primary);white-space:nowrap}
.notice-bar .notice-cta:hover{color:var(--accent)}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:9px;padding:26px 0 0;font-size:13.5px;color:var(--text-3)}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:var(--line)}
.crumbs .current{max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-2)}

/* ---------- 文章头 ---------- */
.article-head{padding:20px 0 34px;border-bottom:1px solid var(--line)}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--pill);
  background:var(--mist);color:var(--primary-dark);font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.article-head h1{
  margin-top:16px;max-width:920px;
  font-size:clamp(28px,3.8vw,46px);line-height:1.26;font-weight:800;letter-spacing:-.02em;
}
.lead{margin-top:18px;max-width:820px;font-size:17px;line-height:1.85;color:var(--text-2)}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;font-size:13.5px;color:var(--text-3)}
.meta-row b{color:var(--text-2);font-weight:700}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}

/* ---------- 阅读区 ---------- */
.reading{display:grid;grid-template-columns:minmax(0,780px) 300px;gap:48px;justify-content:center;padding:44px 0 8px;align-items:start}
.article-body{font-size:17px;line-height:1.9;color:var(--text);overflow-wrap:break-word}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{position:relative;margin:2em 0 .8em;padding-left:15px;font-size:clamp(20px,2.3vw,26px);font-weight:800;line-height:1.45}
.article-body h2::before{content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:3px;border-radius:3px;background:var(--accent)}
.article-body h3{margin:1.6em 0 .6em;font-size:19px;font-weight:700}
.article-body h4{margin:1.4em 0 .5em;font-size:17px;font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.3em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.5em}
.article-body ul li::marker{color:var(--accent)}
.article-body ol li::marker{color:var(--primary);font-weight:700}
.article-body img{border-radius:var(--r-img);margin:1.4em auto;box-shadow:var(--shadow)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13.5px;color:var(--text-3)}
.article-body blockquote{
  margin:1.5em 0;padding:16px 22px;border-left:3px solid var(--primary-light);
  background:var(--bg-2);border-radius:0 12px 12px 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--primary);border-bottom:1px solid var(--primary-light)}
.article-body a:hover{color:var(--accent);border-color:var(--accent)}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body th{background:var(--bg-2);font-weight:700}
.article-body tbody tr:nth-child(even){background:rgba(237,232,223,.55)}
.article-body code{background:var(--bg-2);padding:2px 6px;border-radius:6px;font-size:15px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

/* ---------- 侧栏 ---------- */
.side{position:sticky;top:110px;display:flex;flex-direction:column;gap:18px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow)}
.side-card h3{margin-bottom:14px;font-size:15px;font-weight:800;letter-spacing:.01em}
.side-list li+li{margin-top:11px;padding-top:11px;border-top:1px solid var(--line)}
.side-list a{display:block;font-size:14.5px;font-weight:600;color:var(--text-2);line-height:1.55}
.side-list a:hover{color:var(--accent)}
.side-list span{display:block;margin-top:4px;font-size:12.5px;color:var(--text-3);font-weight:400}
.side-cta{background:var(--ink);border-color:rgba(255,255,255,.14);color:#EFEAE1}
.side-cta h3{color:#fff}
.side-cta p{font-size:14px;line-height:1.8;color:rgba(239,234,225,.72);margin-bottom:16px}
.side-cta .field{margin-bottom:10px}
.side-cta label{display:block;font-size:12.5px;color:rgba(239,234,225,.66);margin-bottom:6px}
.side-cta input{
  width:100%;min-height:42px;padding:0 14px;border-radius:var(--r-input);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);color:#fff;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.side-cta input::placeholder{color:rgba(239,234,225,.4)}
.side-cta input:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.1)}
.side-cta .btn{width:100%;margin-top:6px}

/* ---------- 文末 ---------- */
.tail{margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.tail-block+.tail-block{margin-top:30px}
.tail-title{margin-bottom:14px;font-size:13.5px;font-weight:800;letter-spacing:.08em;color:var(--text-3)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  padding:7px 15px;border-radius:var(--pill);background:var(--bg-2);border:1px solid var(--line);
  font-size:13.5px;font-weight:600;color:var(--text-2);
}
.tag:hover{background:#fff;border-color:var(--primary-light);color:var(--primary-dark)}
.share-row{display:flex;flex-wrap:wrap;gap:10px}
.share-btn{
  display:inline-flex;align-items:center;gap:7px;min-height:40px;padding:0 16px;border-radius:var(--pill);
  border:1px solid var(--line);background:#fff;font-size:13.5px;font-weight:600;color:var(--text-2);cursor:pointer;
  transition:all .2s var(--ease);
}
.share-btn:hover{border-color:var(--primary-light);color:var(--primary-dark);transform:translateY(-2px)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.pager a{
  display:block;padding:16px 18px;border-radius:var(--r-card);border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow);transition:all .2s var(--ease);
}
.pager a:hover{transform:translateY(-2px);border-color:var(--primary-light)}
.pager span{display:block;font-size:12.5px;color:var(--text-3);font-weight:700;letter-spacing:.06em;margin-bottom:6px}
.pager b{display:block;font-size:15px;font-weight:700;color:var(--text);line-height:1.55}
.pager a:hover b{color:var(--primary-dark)}
.pager .next{text-align:right}

/* ---------- 相关阅读 ---------- */
.related{padding:var(--sec) 0 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.25}
.sec-head p{margin-top:8px;font-size:14.5px;color:var(--text-2)}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow);transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary-light)}
.rel-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.rel-card:hover .thumb img{transform:scale(1.04)}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:17px;font-weight:700;line-height:1.5}
.rel-card:hover h3{color:var(--accent)}
.rel-body p{font-size:14px;color:var(--text-2);line-height:1.75;flex:1}
.rel-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3)}
.chip-sm{padding:3px 10px;border-radius:var(--pill);background:var(--mist);color:var(--primary-dark);font-weight:700;font-size:11.5px}

/* ---------- CTA ---------- */
.cta-band{margin-top:var(--sec)}
.cta-inner{
  background:var(--ink);border-radius:26px;padding:clamp(32px,4.4vw,58px);
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
  border:1px solid rgba(255,255,255,.1);
}
.cta-inner h2{color:#fff;font-size:clamp(24px,3.2vw,36px);line-height:1.3;font-weight:800}
.cta-inner p{margin-top:16px;color:rgba(239,234,225,.74);font-size:15.5px;line-height:1.85;max-width:520px}
.cta-list{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px}
.cta-list span{
  padding:6px 14px;border-radius:var(--pill);border:1px solid rgba(255,255,255,.18);
  font-size:13px;color:rgba(239,234,225,.82);
}
.cta-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px}
.cta-actions .btn-ghost{border-color:rgba(255,255,255,.28);color:#F5F1EA}
.cta-actions .btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:transparent}
.cta-panel{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:24px}
.cta-panel h3{color:#fff;font-size:17px;margin-bottom:16px}
.cta-panel .field{margin-bottom:13px}
.cta-panel label{display:block;font-size:12.5px;color:rgba(239,234,225,.66);margin-bottom:6px}
.cta-panel input,.cta-panel select{
  width:100%;min-height:44px;padding:0 14px;border-radius:var(--r-input);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);color:#fff;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.cta-panel select option{color:#111}
.cta-panel input::placeholder{color:rgba(239,234,225,.4)}
.cta-panel input:focus,.cta-panel select:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.1)}
.cta-panel .agree{display:flex;align-items:flex-start;gap:9px;font-size:12.5px;color:rgba(239,234,225,.62);line-height:1.75;margin:4px 0 16px}
.cta-panel .agree input{width:16px;height:16px;min-height:0;flex:0 0 auto;margin-top:3px;accent-color:var(--accent)}
.cta-note{margin-top:12px;font-size:12.5px;color:rgba(239,234,225,.5);text-align:center}

/* ---------- 页脚 ---------- */
.footer{margin-top:var(--sec);background:var(--ink);color:rgba(239,234,225,.7);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:38px}
.footer .brand-name{color:#fff}
.footer .brand-sub{color:rgba(239,234,225,.42)}
.footer .brand-mark{background:linear-gradient(150deg,var(--primary-light),var(--primary))}
.footer-about{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(239,234,225,.6);max-width:320px}
.footer h4{color:#fff;font-size:14.5px;font-weight:800;margin-bottom:16px;letter-spacing:.02em}
.footer-links li+li{margin-top:10px}
.footer-links a{font-size:14px;color:rgba(239,234,225,.68)}
.footer-links a:hover{color:var(--accent)}
.footer-contact li{font-size:14px;line-height:1.8;color:rgba(239,234,225,.68)}
.footer-contact li+li{margin-top:10px}
.footer-contact b{display:block;color:#fff;font-size:13px;font-weight:700;margin-bottom:2px}
.footer-bottom{
  margin-top:46px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(239,234,225,.5);
}
.to-top{font-size:12.5px;color:rgba(239,234,225,.66);font-weight:700}
.to-top:hover{color:var(--accent)}

/* ---------- 空态 ---------- */
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:52px 30px;text-align:center;box-shadow:var(--shadow);
}
.empty-state .ico{
  width:56px;height:56px;margin:0 auto 18px;border-radius:18px;background:var(--bg-2);
  display:grid;place-items:center;color:var(--primary);font-size:22px;font-weight:800;
}
.empty-state h2{font-size:22px;margin-bottom:12px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:22px}

/* ---------- 进场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .dock-nav a{padding:9px 11px;font-size:14px}
}
@media (max-width:1080px){
  .reading{grid-template-columns:minmax(0,1fr);gap:34px}
  .side{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 280px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr;gap:32px}
}
@media (max-width:960px){
  body{padding-top:98px}
  .dock{width:calc(100% - 24px);padding:9px 10px 9px 14px;gap:10px}
  .dock.is-scrolled{width:calc(100% - 24px)}
  .burger{display:grid}
  .dock-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;margin:0;padding:10px;
    background:rgba(245,241,234,.99);border:1px solid var(--line);border-radius:20px;
    box-shadow:var(--shadow-lg);display:none;
  }
  .dock-nav.is-open{display:flex}
  .dock-nav a{padding:12px 14px;font-size:15px}
  .dock-nav a.is-active{background:var(--bg-2)}
  .dock-nav a.is-active::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .container{width:calc(100% - 32px)}
  .article-head h1{font-size:clamp(24px,6.4vw,32px)}
  .lead{font-size:16px}
  .article-body{font-size:16.5px}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .pager{grid-template-columns:1fr}
  .pager .next{text-align:left}
  .notice-bar{font-size:12.5px;padding:10px 16px}
  .notice-bar .notice-cta{display:none}
}
@media (max-width:600px){
  body{padding-top:92px}
  .brand-sub{display:none}
  .brand-mark{width:34px;height:34px;font-size:13.5px}
  .dock-actions .btn-sm{display:none}
  .crumbs{padding-top:20px}
  .reading{padding-top:30px}
  .side{flex-direction:column}
  .footer{padding:48px 0 22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{justify-content:flex-start}
  .cta-inner{border-radius:20px;padding:26px 20px}
  .side-list a{font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --bg:#F5F1EA;
  --bg-2:#EDE8DF;
  --ink:#1A1F1E;
  --ink-2:#5C6663;
  --ink-3:#9AA3A0;
  --line:#E2DCD2;
  --primary:#1F5F55;
  --primary-dark:#163F39;
  --primary-soft:#7FB0A7;
  --accent:#D9773D;
  --accent-soft:#F1D6C4;
  --mint:#C9D8CE;
  --night:#141A18;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,26,24,.04);
  --sh-2:0 1px 2px rgba(20,26,24,.04), 0 12px 32px -12px rgba(20,26,24,.12);
  --sh-3:0 2px 4px rgba(20,26,24,.06), 0 22px 48px -18px rgba(20,26,24,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sp-section:120px;
  --maxw:1180px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.002em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color 200ms var(--ease),background-color 200ms var(--ease),border-color 200ms var(--ease),opacity 200ms var(--ease);}
a:hover{color:var(--accent);}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;}
h1,h2,h3,h4{color:var(--ink);letter-spacing:-.02em;margin:0;font-weight:800;line-height:1.28;}
p{margin:0 0 1.15em;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:var(--accent-soft);color:var(--primary-dark);}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.narrow{max-width:820px;}
.section{padding:var(--sp-section) 0;}
.section-sm{padding:76px 0;}
.section-alt{background:var(--bg-2);}
.section-dark{background:var(--night);color:#EDE8DF;}
.section-dark h2,.section-dark h3,.section-dark h4{color:#F7F4EF;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--primary);background:var(--mint);
  padding:7px 14px;border-radius:var(--r-pill);margin-bottom:20px;
}
.section-dark .eyebrow{background:rgba(201,216,206,.14);color:#CDE0D7;}
.sec-head{max-width:760px;margin-bottom:52px;}
.sec-head h2{font-size:clamp(26px,3.4vw,40px);}
.sec-head p{margin-top:16px;color:var(--ink-2);font-size:16.5px;}
.lead{font-size:18px;color:var(--ink-2);}

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;top:18px;left:50%;transform:translateX(-50%);
  z-index:900;
  width:calc(100% - 40px);max-width:1220px;
  display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 18px;
  background:rgba(250,247,242,.92);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  transition:max-width 280ms var(--ease),box-shadow 280ms var(--ease),padding 280ms var(--ease),background-color 280ms var(--ease);
}
.dock.is-scrolled{
  max-width:1080px;
  box-shadow:var(--sh-3);
  background:rgba(252,250,246,.97);
  padding:8px 12px 8px 16px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(150deg,var(--primary) 0%,var(--primary-dark) 100%);
  color:#F5F1EA;display:grid;place-items:center;
  font-weight:800;font-size:14px;letter-spacing:.02em;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:15.5px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{font-size:10px;letter-spacing:.2em;color:var(--ink-3);font-weight:700;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock-nav a{
  position:relative;padding:9px 13px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--ink-2);white-space:nowrap;
}
.dock-nav a::after{
  content:"";position:absolute;left:50%;bottom:3px;height:2px;width:0;
  background:var(--accent);border-radius:2px;transform:translateX(-50%);
  transition:width 220ms var(--ease);
}
.dock-nav a:hover{color:var(--primary);background:rgba(31,95,85,.06);}
.dock-nav a:hover::after{width:20px;}
.dock-nav a.is-active{color:var(--primary);}
.dock-nav a.is-active::after{width:22px;}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  display:grid;place-items:center;
  background:transparent;border:1px solid var(--line);color:var(--ink-2);
  transition:all 200ms var(--ease);
}
.icon-btn:hover{border-color:var(--primary);color:var(--primary);background:rgba(31,95,85,.05);}
.burger{display:none;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),background-color 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease);
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--primary);color:#F7F4EF;box-shadow:var(--sh-2);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-on-dark{background:var(--accent);color:#fff;}
.btn-on-dark:hover{background:#c36631;color:#fff;transform:translateY(-2px);}
.btn-on-dark .arw{transition:transform 200ms var(--ease);}
.btn-on-dark:hover .arw{transform:translateX(4px);}
.link-arrow{
  display:inline-flex;align-items:center;gap:7px;
  font-weight:700;font-size:15px;color:var(--primary);
  border-bottom:2px solid transparent;padding-bottom:2px;
  background-image:linear-gradient(var(--accent),var(--accent));
  background-repeat:no-repeat;background-size:0% 2px;background-position:0 100%;
  transition:background-size 280ms var(--ease),color 200ms var(--ease);
}
.link-arrow:hover{color:var(--accent);background-size:100% 2px;}
.link-arrow i{transition:transform 200ms var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;letter-spacing:.03em;
  padding:5px 11px;border-radius:var(--r-pill);
  background:var(--mint);color:var(--primary-dark);
}
.badge-accent{background:var(--accent-soft);color:#8E4419;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:132px 0 0;}
.crumb{font-size:13.5px;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{opacity:.6;}
.crumb .now{color:var(--primary);font-weight:700;}

/* ---------- 分类页 Hero ---------- */
.cat-hero{padding:38px 0 var(--sp-section);}
.cat-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:start;}
.cat-hero h1{font-size:clamp(34px,5vw,58px);line-height:1.14;}
.cat-hero h1 em{font-style:normal;color:var(--accent);}
.cat-hero .hero-lead{margin-top:22px;font-size:17.5px;color:var(--ink-2);max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;align-items:center;}
.hero-intro{
  background:#FBF8F3;border:1px solid var(--line);border-radius:var(--r-card);
  padding:34px 32px;box-shadow:var(--sh-2);
}
.hero-intro h2{font-size:19px;margin-bottom:14px;}
.hero-intro p{color:var(--ink-2);font-size:16px;}
.hero-intro ul{margin-top:18px;display:grid;gap:11px;}
.hero-intro li{display:flex;gap:10px;font-size:15.5px;color:var(--ink-2);}
.hero-intro li i{color:var(--accent);margin-top:6px;font-size:12px;}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  margin-top:64px;
}
.stat-strip .stat{padding:30px 26px;border-right:1px solid var(--line);}
.stat-strip .stat:last-child{border-right:0;}
.stat .num{font-size:clamp(28px,3.6vw,40px);font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.1;}
.stat .num small{font-size:15px;font-weight:700;color:var(--accent);margin-left:3px;}
.stat .cap{margin-top:8px;font-size:14px;color:var(--ink-2);}

/* ---------- 图文交错 ---------- */
.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:64px 0;border-bottom:1px dashed var(--line);}
.alt-row:last-child{border-bottom:0;}
.alt-row.flip .alt-media{order:2;}
.alt-media{position:relative;}
.alt-media img{width:100%;aspect-ratio:4/3;object-fit:cover;box-shadow:var(--sh-2);}
.alt-media .idx{
  position:absolute;left:-14px;top:-14px;
  width:58px;height:58px;border-radius:16px;background:var(--accent);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:19px;
  font-variant-numeric:tabular-nums;box-shadow:var(--sh-2);
}
.alt-copy h2{font-size:clamp(23px,2.6vw,32px);}
.alt-copy .kicker{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--primary-soft);text-transform:uppercase;margin-bottom:12px;display:block;}
.alt-copy p{color:var(--ink-2);margin-top:16px;}
.point-list{margin:20px 0 24px;display:grid;gap:12px;}
.point-list li{display:flex;gap:12px;font-size:15.5px;color:var(--ink-2);line-height:1.7;}
.point-list li::before{
  content:"";flex:0 0 auto;width:7px;height:7px;border-radius:50%;
  background:var(--primary-soft);margin-top:10px;
}
.point-list li b{color:var(--ink);font-weight:700;}

/* ---------- 方案卡 ---------- */
.plan-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;}
.plan-card{
  background:#FBF8F3;border:1px solid var(--line);border-radius:var(--r-card);
  padding:34px 32px;box-shadow:var(--sh-2);display:flex;flex-direction:column;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:#D6CEC1;}
.plan-card h3{font-size:21px;margin-bottom:12px;}
.plan-card p{color:var(--ink-2);font-size:15.5px;}
.plan-card .chips{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 22px;}
.chip{font-size:12.5px;font-weight:700;color:var(--primary-dark);background:var(--bg-2);border-radius:var(--r-pill);padding:5px 12px;}
.plan-card .foot{margin-top:auto;}
.plan-side{display:grid;gap:24px;}
.mini-card{
  background:#FBF8F3;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 26px;box-shadow:var(--sh-1);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.mini-card h4{font-size:17px;margin-bottom:9px;}
.mini-card p{font-size:15px;color:var(--ink-2);margin:0;}

/* ---------- CTA 深色区 ---------- */
.cta-band{background:var(--night);color:#E8E4DC;}
.cta-grid{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start;}
.cta-grid h2{font-size:clamp(25px,3vw,36px);color:#F7F4EF;}
.cta-grid .cta-copy p{color:#A9B2AE;margin-top:18px;}
.cta-points{margin-top:26px;display:grid;gap:12px;}
.cta-points li{display:flex;gap:11px;color:#C6CDC9;font-size:15px;}
.cta-points li i{color:var(--accent);margin-top:6px;font-size:12px;}
.form-card{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-card);padding:34px 32px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:#D5DBD7;margin-bottom:8px;letter-spacing:.02em;}
.field input,.field select{
  width:100%;min-height:48px;padding:0 15px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-input);color:#F7F4EF;
  transition:border-color 200ms var(--ease),background-color 200ms var(--ease);
}
.field input::placeholder{color:#7E8985;}
.field input:focus,.field select:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.09);}
.field select option{color:#1A1F1E;}
.field .err{display:none;font-size:12.5px;color:#F0A97D;margin-top:6px;}
.field.is-invalid input,.field.is-invalid select{border-color:#E28A52;}
.field.is-invalid .err{display:block;}
.agree{display:flex;gap:11px;align-items:flex-start;font-size:13.5px;color:#A9B2AE;margin:6px 0 22px;}
.agree input{width:18px;height:18px;margin-top:4px;accent-color:var(--accent);}
.form-card .btn-on-dark{width:100%;}
.form-note{font-size:12.5px;color:#7E8985;margin-top:14px;text-align:center;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:260px 1fr;gap:56px;align-items:start;}
.faq-side h2{font-size:26px;position:sticky;top:130px;}
.faq-side p{color:var(--ink-2);font-size:15px;margin-top:14px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;
  display:flex;justify-content:space-between;align-items:center;gap:18px;
  padding:22px 2px;font-size:17px;font-weight:700;color:var(--ink);
  transition:color 200ms var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-q .sign{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;border:1px solid var(--line);color:var(--primary);
  font-weight:800;font-size:15px;transition:transform 240ms var(--ease),background-color 200ms var(--ease),color 200ms var(--ease);
}
.faq-item.open .faq-q .sign{transform:rotate(45deg);background:var(--accent);border-color:var(--accent);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms var(--ease);}
.faq-a p{padding:0 2px 24px;color:var(--ink-2);font-size:15.5px;line-height:1.85;margin:0;}
.faq-item.open .faq-a{max-height:420px;}

/* ---------- 相邻分类 ---------- */
.nb-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.nb-card{
  background:#FBF8F3;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:10px;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.nb-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.nb-card span.t{font-size:13px;color:var(--ink-3);font-weight:700;letter-spacing:.1em;}
.nb-card h4{font-size:17.5px;}
.nb-card p{font-size:14.5px;color:var(--ink-2);margin:0;}
.nb-card .go{margin-top:6px;font-size:14px;font-weight:700;color:var(--primary);}

/* ---------- 页脚 ---------- */
.footer{background:var(--night);color:#A9B2AE;padding:78px 0 30px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;}
.footer .brand-name{color:#F7F4EF;}
.footer .brand-sub{color:#6F7A76;}
.footer .brand-mark{background:linear-gradient(150deg,var(--primary-soft) 0%,var(--primary) 100%);color:#0F1513;}
.footer-about{font-size:14.5px;line-height:1.8;margin-top:18px;max-width:320px;color:#8E9995;}
.footer h4{font-size:14px;color:#F7F4EF;letter-spacing:.04em;margin-bottom:18px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14.5px;color:#A9B2AE;}
.footer-links a:hover{color:var(--accent);}
.footer-contact li{font-size:14.5px;margin-bottom:13px;color:#A9B2AE;display:flex;gap:9px;}
.footer-contact b{color:#F7F4EF;font-weight:700;flex:0 0 auto;}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#6F7A76;
}
.to-top{color:#A9B2AE;font-size:13px;font-weight:700;}
.to-top:hover{color:var(--accent);}

/* ---------- 进场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms var(--ease),transform 520ms var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sp-section:88px;}
  .dock-nav{display:none;}
  .burger{display:grid;}
  .dock.open .dock-nav{
    display:flex;flex-direction:column;align-items:stretch;gap:2px;
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    background:rgba(252,250,246,.99);border:1px solid var(--line);
    border-radius:22px;padding:14px;box-shadow:var(--sh-3);
  }
  .dock.open .dock-nav a{padding:13px 14px;border-radius:14px;}
  .dock.open .dock-nav a::after{display:none;}
  .cat-hero-grid{grid-template-columns:1fr;gap:40px;}
  .plan-grid{grid-template-columns:1fr;}
  .cta-grid{grid-template-columns:1fr;gap:40px;}
  .faq-wrap{grid-template-columns:1fr;gap:30px;}
  .faq-side h2{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:768px){
  :root{--sp-section:68px;}
  body{font-size:16px;}
  .container{padding:0 18px;}
  .crumb-bar{padding-top:120px;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .stat-strip .stat{border-right:1px solid var(--line);}
  .stat-strip .stat:nth-child(2n){border-right:0;}
  .stat-strip .stat:nth-child(n+3){border-top:1px solid var(--line);}
  .alt-row{grid-template-columns:1fr;gap:32px;padding:48px 0;}
  .alt-row.flip .alt-media{order:0;}
  .nb-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .dock{top:12px;padding:8px 10px 8px 12px;gap:10px;}
  .brand-sub{display:none;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer{padding-top:56px;}
}
@media (max-width:520px){
  .cat-hero h1{font-size:31px;}
  .hero-cta .btn{width:100%;}
  .dock-actions .btn-primary{display:none;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-strip .stat{border-right:0;border-top:1px solid var(--line);}
  .stat-strip .stat:first-child{border-top:0;}
  .form-card{padding:24px 20px;}
  .hero-intro{padding:26px 22px;}
  .alt-media .idx{left:-8px;top:-8px;width:48px;height:48px;font-size:17px;border-radius:14px;}
}

/* roulang page: category3 */
:root{
  --bg:#F5F1EA;
  --bg-2:#EDE8DF;
  --ink:#141A18;
  --primary:#1F5F55;
  --primary-d:#163F39;
  --primary-l:#7FB0A7;
  --accent:#D9773D;
  --text:#1A1F1E;
  --text-2:#5C6663;
  --text-3:#9AA3A0;
  --line:#E2DCD2;
  --mist:#C9D8CE;
  --card:#FFFFFF;
  --radius-card:18px;
  --radius-img:14px;
  --radius-btn:999px;
  --radius-input:12px;
  --shadow:0 1px 2px rgba(20,26,24,.04), 0 12px 32px -12px rgba(20,26,24,.12);
  --shadow-lg:0 2px 4px rgba(20,26,24,.05), 0 24px 48px -18px rgba(20,26,24,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --section:104px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--primary);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}
.nums{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- Dock 导航 ---------- */
main{padding-top:104px;}
.dock{
  position:fixed;top:14px;left:50%;transform:translateX(-50%);
  width:calc(100% - 40px);max-width:1180px;z-index:60;
  display:flex;align-items:center;gap:16px;
  padding:10px 12px 10px 16px;
  background:rgba(245,241,234,.93);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(6px);
  transition:padding .25s var(--ease),box-shadow .25s var(--ease),top .25s var(--ease),background .25s var(--ease);
}
.dock.is-scrolled{
  top:8px;padding:7px 10px 7px 14px;
  background:rgba(250,247,242,.97);
  box-shadow:var(--shadow-lg);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:35px;height:35px;border-radius:12px;background:var(--primary);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:14px;letter-spacing:.04em;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-weight:800;font-size:15px;color:var(--text);}
.brand-sub{font-size:9px;letter-spacing:.16em;color:var(--text-3);}
.dock-nav{display:flex;align-items:center;gap:2px;margin:0 auto;}
.dock-nav a{
  position:relative;padding:9px 13px;border-radius:999px;
  font-size:14.5px;color:var(--text-2);white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.dock-nav a:hover{color:var(--primary-d);background:rgba(31,95,85,.08);}
.dock-nav a.is-active{color:var(--primary-d);font-weight:700;}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;background:var(--accent);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--text-2);display:grid;place-items:center;cursor:pointer;
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary-l);transform:translateY(-1px);}
.burger{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow);}
.btn-primary:hover{background:var(--primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--primary-d);border-color:rgba(31,95,85,.35);}
.btn-ghost:hover{background:rgba(31,95,85,.08);color:var(--primary-d);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--primary-d);}
.btn-light:hover{background:#fff;color:var(--primary-d);transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-lg{min-height:52px;padding:0 30px;font-size:16px;}
.btn[disabled]{opacity:.55;cursor:default;transform:none;box-shadow:none;}
.link-line{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--primary-d);
  padding-bottom:2px;background-image:linear-gradient(var(--accent),var(--accent));
  background-repeat:no-repeat;background-size:0% 2px;background-position:0 100%;
  transition:background-size .25s var(--ease),color .2s var(--ease);
}
.link-line:hover{color:var(--accent);background-size:100% 2px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-3);padding:22px 0 16px;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb span.sep{color:var(--line);}
.breadcrumb .current{color:var(--text);font-weight:600;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;border-radius:28px;overflow:hidden;color:#fff;
  background-image:linear-gradient(115deg,rgba(15,26,23,.9),rgba(15,26,23,.55)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  padding:70px 56px 62px;
  box-shadow:var(--shadow-lg);
}
.page-hero h1{
  color:#fff;font-size:clamp(34px,4.6vw,56px);font-weight:800;letter-spacing:-.02em;line-height:1.16;
  max-width:20em;
}
.page-hero .lead{margin-top:18px;max-width:44em;color:rgba(255,255,255,.84);font-size:17px;line-height:1.85;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;font-weight:700;text-transform:uppercase;
  color:var(--accent);margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);border-radius:2px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;align-items:center;}
.hero-actions .link-line{color:#fff;}
.hero-actions .link-line:hover{color:var(--accent);}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:46px;
  padding-top:28px;border-top:1px solid rgba(255,255,255,.18);
}
.hero-stats .num{font-size:clamp(26px,3vw,38px);font-weight:800;color:#fff;letter-spacing:-.02em;}
.hero-stats .num .unit{font-size:15px;font-weight:600;margin-left:3px;color:var(--accent);}
.hero-stats .cap{font-size:13px;color:rgba(255,255,255,.66);margin-top:2px;}

/* ---------- 区块通用 ---------- */
.section{padding:var(--section) 0;}
.section.tight{padding:64px 0;}
.section.alt{background:var(--bg-2);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:clamp(26px,3.2vw,38px);font-weight:800;letter-spacing:-.02em;line-height:1.24;}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16.5px;}
.section-head .eyebrow{color:var(--primary);}
.section-head .eyebrow::before{background:var(--primary);}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.center .eyebrow{justify-content:center;}

/* ---------- 筛选 chips ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.chip{
  min-height:40px;padding:0 18px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--text-2);font-size:14.5px;font-weight:600;cursor:pointer;
  display:inline-flex;align-items:center;transition:all .2s var(--ease);
}
.chip:hover{border-color:var(--primary-l);color:var(--primary-d);transform:translateY(-1px);}
.chip.is-on{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:var(--shadow);}
.filter-meta{font-size:13.5px;color:var(--text-3);margin-bottom:20px;}

/* ---------- 图墙 ---------- */
.gallery{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;}
.g-card{grid-column:span 2;}
.g-card.is-wide{grid-column:span 4;}
.g-card.is-lazy,.g-card.is-filtered{display:none;}
.g-link{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow);height:100%;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);}
.g-card:hover .g-link{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--mist);}
.g-media{position:relative;overflow:hidden;aspect-ratio:4/3;background:var(--bg-2);}
.g-card.is-wide .g-media{aspect-ratio:21/9;}
.g-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.g-card:hover .g-media img{transform:scale(1.04);}
.g-overlay{
  position:absolute;inset:auto 0 0 0;padding:16px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  background:linear-gradient(to top,rgba(20,26,24,.82),rgba(20,26,24,0));
  opacity:0;transform:translateY(8px);transition:opacity .25s var(--ease),transform .25s var(--ease);
}
.g-card:hover .g-overlay{opacity:1;transform:translateY(0);}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--primary-d);font-size:12px;font-weight:700;letter-spacing:.01em;
}
.tag.soft{background:var(--mist);color:var(--primary-d);}
.g-arrow{margin-left:auto;font-size:12.5px;font-weight:700;color:#fff;}
.g-body{padding:16px 18px 18px;}
.g-title{font-size:17px;font-weight:700;line-height:1.5;}
.g-card:hover .g-title{color:var(--accent);}
.g-meta{margin-top:6px;font-size:13px;color:var(--text-3);}
.gallery-foot{display:flex;flex-direction:column;align-items:center;gap:14px;margin-top:38px;}
.gallery-foot .hint{font-size:13.5px;color:var(--text-3);}

/* ---------- 案例聚焦 ---------- */
.spotlight{
  background:var(--ink);color:rgba(255,255,255,.78);border-radius:28px;padding:52px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center;
  box-shadow:var(--shadow-lg);
}
.spotlight h2{color:#fff;font-size:clamp(24px,2.8vw,34px);font-weight:800;line-height:1.26;}
.spotlight p{margin-top:16px;font-size:16px;line-height:1.85;}
.spot-list{margin-top:22px;display:grid;gap:12px;}
.spot-list li{position:relative;padding-left:22px;font-size:15px;color:rgba(255,255,255,.8);}
.spot-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--accent);}
.spot-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16);}
.spot-metrics .num{font-size:26px;font-weight:800;color:#fff;letter-spacing:-.02em;}
.spot-metrics .cap{font-size:12.5px;color:rgba(255,255,255,.6);}
.spot-figure{border-radius:var(--radius-img);overflow:hidden;border:1px solid rgba(255,255,255,.16);}
.spot-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ---------- 数据条 ---------- */
.bars{display:grid;gap:22px;max-width:820px;}
.bar-row{display:grid;grid-template-columns:170px 1fr 64px;gap:18px;align-items:center;}
.bar-label{font-size:15px;font-weight:600;color:var(--text);}
.bar-track{height:10px;border-radius:999px;background:var(--bg-2);overflow:hidden;border:1px solid var(--line);}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--primary-l));width:0;transition:width 1s var(--ease);}
.bar-val{font-size:14.5px;font-weight:700;color:var(--primary-d);text-align:right;}
.data-note{margin-top:26px;font-size:13.5px;color:var(--text-3);}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:220px 1fr;gap:44px;align-items:start;}
.faq-aside{position:sticky;top:120px;}
.faq-aside h2{font-size:clamp(22px,2.4vw,28px);font-weight:800;line-height:1.3;}
.faq-aside p{margin-top:12px;font-size:14.5px;color:var(--text-2);}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:flex-start;gap:16px;padding:22px 4px;
  font-size:17px;font-weight:700;color:var(--text);line-height:1.6;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  margin-left:auto;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;
  font-size:16px;font-weight:700;color:var(--primary-d);
  transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.faq-item.is-open .faq-icon{background:var(--accent);border-color:var(--accent);color:#fff;transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a-inner{padding:0 4px 24px;color:var(--text-2);font-size:15.5px;line-height:1.85;max-width:70ch;}

/* ---------- 相关分类 ---------- */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px;}
.related a{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow);transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.related a:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.related .r-title{font-size:17px;font-weight:700;color:var(--text);}
.related .r-desc{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.75;}
.related .r-more{display:inline-flex;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--primary-d);}
.related a:hover .r-title{color:var(--accent);}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--primary-d),var(--primary));
  border-radius:28px;padding:52px;color:#fff;
  display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;
  box-shadow:var(--shadow-lg);
}
.cta-band h2{color:#fff;font-size:clamp(24px,2.8vw,34px);font-weight:800;line-height:1.26;}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.82);font-size:16px;max-width:46em;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
.cta-actions .btn-light,.cta-actions .btn-outline-light{width:100%;}
.cta-note{font-size:13px;color:rgba(255,255,255,.68);text-align:center;}

/* ---------- 滚动进场 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:rgba(255,255,255,.7);padding:74px 0 26px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:38px;}
.footer .brand-mark{background:rgba(255,255,255,.14);color:#fff;}
.footer .brand-name{color:#fff;}
.footer .brand-sub{color:rgba(255,255,255,.45);}
.footer-about{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:34ch;}
.footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-links a:hover{color:var(--accent);}
.footer-contact li{font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.7);}
.footer-contact b{display:block;color:#fff;font-weight:600;font-size:13px;margin-bottom:2px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{color:rgba(255,255,255,.7);font-weight:600;}
.to-top:hover{color:var(--accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .dock-nav a{padding:9px 10px;font-size:14px;}
  .gallery{grid-template-columns:repeat(4,1fr);}
  .g-card.is-wide{grid-column:span 4;}
  .spotlight{padding:42px;}
}
@media (max-width:960px){
  :root{--section:76px;}
  main{padding-top:94px;}
  .dock-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;margin:0;padding:10px;
    background:rgba(251,248,243,.99);border:1px solid var(--line);border-radius:24px;
    box-shadow:var(--shadow-lg);display:none;
  }
  .dock.is-open .dock-nav{display:flex;}
  .dock-nav a{padding:13px 16px;border-radius:14px;font-size:15px;}
  .dock-nav a.is-active::after{left:16px;right:auto;width:22px;bottom:8px;}
  .burger{display:grid;}
  .page-hero{padding:52px 32px 48px;border-radius:24px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:18px;}
  .gallery{grid-template-columns:repeat(2,1fr);gap:14px;}
  .g-card,.g-card.is-wide{grid-column:span 1;}
  .g-card.is-wide .g-media{aspect-ratio:4/3;}
  .spotlight{grid-template-columns:1fr;gap:32px;padding:34px;}
  .faq-grid{grid-template-columns:1fr;gap:26px;}
  .faq-aside{position:static;}
  .related{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:36px;border-radius:24px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .bar-row{grid-template-columns:120px 1fr 58px;gap:12px;}
}
@media (max-width:600px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .dock{width:calc(100% - 24px);gap:8px;padding:8px 8px 8px 12px;}
  .brand-sub{display:none;}
  .dock-actions .icon-btn:not(.burger){display:none;}
  .page-hero{padding:40px 22px 38px;border-radius:20px;}
  .page-hero h1{font-size:clamp(28px,8vw,34px);}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-actions .link-line{justify-content:center;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .gallery{grid-template-columns:1fr;}
  .g-media{aspect-ratio:16/10;}
  .spot-metrics{grid-template-columns:1fr;gap:14px;}
  .bar-row{grid-template-columns:1fr;gap:6px;}
  .bar-val{text-align:left;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --bg:#F5F1EA;
  --bg-2:#EDE8DF;
  --ink:#141A18;
  --primary:#1F5F55;
  --primary-d:#163F39;
  --primary-l:#7FB0A7;
  --accent:#D9773D;
  --text:#1A1F1E;
  --muted:#5C6663;
  --weak:#9AA3A0;
  --line:#E2DCD2;
  --mist:#C9D8CE;
  --white:#FFFFFF;
  --r-card:18px;
  --r-img:14px;
  --r-btn:999px;
  --r-input:12px;
  --shadow-sm:0 1px 2px rgba(20,26,24,.04);
  --shadow:0 1px 2px rgba(20,26,24,.04),0 12px 32px -12px rgba(20,26,24,.12);
  --shadow-lg:0 2px 6px rgba(20,26,24,.06),0 28px 60px -20px rgba(20,26,24,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:200ms cubic-bezier(.22,.61,.36,1);
  --w:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t)}
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,p{margin:0}
h1,h2,h3,h4{line-height:1.28;letter-spacing:-.02em;color:var(--ink)}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}
.section{padding:104px 0}
.section--tight{padding:76px 0}
.bg-alt{background:var(--bg-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--primary);font-weight:700;margin-bottom:18px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.sec-head{max-width:760px;margin-bottom:52px}
.sec-head h2{font-size:clamp(26px,3.4vw,40px);font-weight:800}
.sec-head p{margin-top:16px;color:var(--muted);font-size:17px}
.lead{font-size:17px;color:var(--muted)}

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;top:18px;left:50%;transform:translateX(-50%);
  width:calc(100% - 36px);max-width:var(--w);
  display:flex;align-items:center;gap:20px;
  padding:10px 14px 10px 18px;
  background:rgba(250,247,242,.92);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  box-shadow:var(--shadow-sm);
  backdrop-filter:saturate(140%) blur(6px);
  -webkit-backdrop-filter:saturate(140%) blur(6px);
  z-index:200;
  transition:max-width var(--t),top var(--t),box-shadow var(--t),padding var(--t);
}
.dock.is-scrolled{top:10px;max-width:1092px;box-shadow:var(--shadow);padding:8px 12px 8px 16px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  background:linear-gradient(150deg,var(--primary),var(--primary-d));
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;text-transform:lowercase;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-.01em}
.brand-sub{font-size:10px;letter-spacing:.16em;color:var(--weak);font-weight:600}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock-nav a{
  position:relative;padding:9px 13px;border-radius:var(--r-btn);
  font-size:15px;color:var(--muted);font-weight:600;white-space:nowrap;
  transition:color var(--t),background var(--t);
}
.dock-nav a:hover{color:var(--primary-d);background:rgba(31,95,85,.07)}
.dock-nav a::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:2px;
  background:var(--accent);border-radius:2px;transform:translateX(-50%);
  transition:width var(--t);
}
.dock-nav a.is-active{color:var(--primary-d)}
.dock-nav a.is-active::after{width:20px}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.dock-nav + .dock-actions{margin-left:0}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--muted);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary-l);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.burger{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--primary-d);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-d);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#c4671f;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;
  color:var(--primary-d);border-bottom:2px solid transparent;padding-bottom:2px;
  transition:border-color var(--t),color var(--t),gap var(--t);
}
.btn-link:hover{color:var(--accent);border-color:var(--accent);gap:10px}

/* ---------- 页头 ---------- */
main{padding-top:0}
.page-head{
  position:relative;overflow:hidden;
  padding:150px 0 78px;
  background:linear-gradient(180deg,rgba(20,26,24,.82),rgba(20,26,24,.72)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;
}
.page-head::after{
  content:"";position:absolute;inset:auto 0 -1px 0;height:1px;background:rgba(255,255,255,.12);
}
.page-head h1{
  color:#fff;font-size:clamp(34px,5vw,58px);font-weight:800;max-width:900px;
  letter-spacing:-.02em;
}
.page-head .lead{color:rgba(255,255,255,.82);max-width:720px;margin-top:20px;font-size:17px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.66);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:#fff}
.crumb span.dot{color:rgba(255,255,255,.38)}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  font-size:13px;font-weight:600;color:rgba(255,255,255,.92);
}
.badge b{color:#fff;font-weight:800}
.badge--soft{background:var(--mist);border-color:transparent;color:var(--primary-d)}
.badge--soft b{color:var(--primary-d)}

/* ---------- 流程轴 ---------- */
.flow-axis{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-top:12px}
.flow-axis::before{
  content:"";position:absolute;top:29px;left:6%;right:6%;height:1px;
  background:linear-gradient(90deg,var(--line),var(--primary-l),var(--line));
}
.flow-step{position:relative;padding-top:0}
.flow-num{
  position:relative;z-index:2;width:58px;height:58px;border-radius:50%;
  background:var(--bg);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
  box-shadow:var(--shadow-sm);
  transition:transform var(--t),border-color var(--t),background var(--t),color var(--t);
}
.flow-step:hover .flow-num{transform:translateY(-3px);background:var(--primary);border-color:var(--primary);color:#fff}
.flow-step h3{margin-top:22px;font-size:20px;font-weight:800}
.flow-step p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.8}
.flow-meta{margin-top:16px;display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--weak)}
.flow-meta em{font-style:normal;color:var(--primary);font-weight:700}

/* ---------- 对比表 ---------- */
.table-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.spec-table{min-width:820px;font-size:16px}
.spec-table th,.spec-table td{padding:18px 20px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.spec-table thead th{
  background:var(--bg-2);color:var(--primary-d);font-size:14px;
  letter-spacing:.04em;font-weight:800;
}
.spec-table tbody tr:nth-child(even){background:rgba(237,232,223,.42)}
.spec-table tbody tr:last-child td{border-bottom:0}
.spec-table tbody tr:hover{background:rgba(201,216,206,.35)}
.spec-table td:first-child{font-weight:800;color:var(--ink);white-space:nowrap}
.spec-table td strong{color:var(--primary-d)}
.table-note{margin-top:18px;font-size:14px;color:var(--weak)}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
.stat{padding:22px 24px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card)}
.stat b{display:block;font-size:32px;font-weight:800;color:var(--primary-d);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat span{display:block;margin-top:6px;font-size:14px;color:var(--muted)}

/* ---------- 交付物卡片 ---------- */
.cap-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:stretch}
.cap-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--primary-l)}
.cap-media{position:relative;overflow:hidden;background:var(--bg-2)}
.cap-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease)}
.cap-card:hover .cap-media img{transform:scale(1.03)}
.cap-card--hero .cap-media{aspect-ratio:16/9}
.cap-card--small .cap-media{aspect-ratio:16/10}
.cap-body{padding:26px 26px 30px}
.cap-body h3{font-size:21px;font-weight:800}
.cap-body p{margin-top:12px;color:var(--muted);font-size:15.5px}
.cap-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.cap-list li{position:relative;padding-left:22px;font-size:15px;color:var(--muted)}
.cap-list li::before{
  content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:50%;
  background:var(--mist);border:2px solid var(--primary-l);
}
.cap-side{display:flex;flex-direction:column;gap:24px}
.cap-side .cap-card{flex:1}
.tagline{display:inline-block;margin-bottom:14px;font-size:12px;letter-spacing:.12em;font-weight:800;color:var(--accent);text-transform:uppercase}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:250px 1fr;gap:56px;align-items:start}
.faq-side{position:sticky;top:126px}
.faq-side h2{font-size:26px;font-weight:800}
.faq-side p{margin-top:14px;font-size:15px;color:var(--muted)}
.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:20px;
  padding:22px 4px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:700;color:var(--ink);transition:color var(--t);
}
.faq-q:hover{color:var(--primary)}
.faq-icon{
  position:relative;flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);background:#fff;transition:background var(--t),border-color var(--t),transform var(--t);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary-d);
  transform:translate(-50%,-50%);transition:transform var(--t),opacity var(--t),background var(--t);
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px}
.faq-item.is-open .faq-icon{background:var(--primary);border-color:var(--primary);transform:rotate(180deg)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:#fff}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms var(--ease)}
.faq-a-inner{padding:0 4px 24px;color:var(--muted);font-size:15.5px;line-height:1.85}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:var(--ink);color:#fff;border-radius:26px;
  padding:46px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  flex-wrap:wrap;box-shadow:var(--shadow-lg);
}
.cta-bar h2{color:#fff;font-size:clamp(24px,3vw,34px);font-weight:800;max-width:620px}
.cta-bar p{margin-top:12px;color:rgba(255,255,255,.66);font-size:15.5px;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-bar .btn-ghost{color:#fff;border-color:rgba(255,255,255,.34)}
.cta-bar .btn-ghost:hover{color:#fff;border-color:#fff;background:rgba(255,255,255,.08)}
.cta-bar .btn-accent{background:var(--accent);color:#fff}

/* ---------- 相邻分类 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  display:flex;gap:16px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--shadow-sm);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--primary-l)}
.related-card img{width:78px;height:78px;flex:0 0 78px;border-radius:var(--r-img);object-fit:cover}
.related-card h3{font-size:16px;font-weight:800}
.related-card span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.note-card{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:var(--r-card);padding:26px 28px;box-shadow:var(--shadow-sm);
}
.note-card h3{font-size:18px;font-weight:800}
.note-card p{margin-top:10px;font-size:15px;color:var(--muted)}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:rgba(255,255,255,.7);padding:76px 0 34px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer .brand{color:#fff}
.footer .brand-name{color:#fff}
.footer .brand-sub{color:rgba(255,255,255,.45)}
.footer-about{margin-top:18px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px}
.footer h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:18px;letter-spacing:.02em}
.footer-links li{margin-bottom:11px}
.footer-links a{color:rgba(255,255,255,.68);font-size:14.5px}
.footer-links a:hover{color:#fff}
.footer-contact li{font-size:14.5px;color:rgba(255,255,255,.68);margin-bottom:12px}
.footer-contact b{display:block;color:rgba(255,255,255,.45);font-size:12.5px;font-weight:600;letter-spacing:.06em;margin-bottom:2px}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.to-top{color:rgba(255,255,255,.72);font-size:13px}
.to-top:hover{color:#fff}

/* ---------- 返回顶部 ---------- */
.to-top-btn{
  position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:50%;
  background:var(--primary);color:#fff;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--t),transform var(--t),visibility var(--t),background var(--t);
  z-index:190;
}
.to-top-btn.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top-btn:hover{background:var(--primary-d)}

/* ---------- 滚动进场 ---------- */
@media (prefers-reduced-motion: no-preference){
  .reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms var(--ease),transform 520ms var(--ease)}
  .reveal.is-in{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .dock{max-width:calc(100% - 32px)}
}
@media (max-width:1024px){
  .section{padding:84px 0}
  .flow-axis{grid-template-columns:repeat(3,1fr);row-gap:44px}
  .flow-axis::before{display:none}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .cap-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-side{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:960px){
  .dock-nav{
    display:none;
  }
  .dock.is-open .dock-nav{
    display:flex;flex-direction:column;align-items:stretch;gap:2px;
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    background:#fff;border:1px solid var(--line);border-radius:20px;
    padding:12px;box-shadow:var(--shadow-lg);
    margin-left:0;
  }
  .dock.is-open .dock-nav a{padding:12px 14px;font-size:15px;border-radius:14px}
  .dock.is-open .dock-nav a::after{display:none}
  .burger{display:flex}
  .dock-actions{margin-left:auto}
  .dock-nav + .dock-actions{margin-left:auto}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:64px 0}
  .section--tight{padding:56px 0}
  .container{padding:0 18px}
  .page-head{padding:130px 0 60px}
  .flow-axis{grid-template-columns:repeat(2,1fr);gap:32px}
  .cap-side{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .cta-bar{padding:34px 26px;border-radius:20px}
  .footer{padding:60px 0 28px}
}
@media (max-width:600px){
  .dock{top:12px;width:calc(100% - 24px);padding:8px 10px 8px 12px;gap:10px}
  .brand-sub{display:none}
  .brand-name{font-size:15px}
  .brand-mark{width:32px;height:32px;flex:0 0 32px;font-size:13px}
  .dock-actions .btn-sm{padding:0 14px;font-size:13px}
  .flow-axis{grid-template-columns:1fr;gap:26px}
  .flow-num{width:50px;height:50px;font-size:17px}
  .stat-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .spec-table{font-size:15px}
  .spec-table th,.spec-table td{padding:14px 16px}
  .to-top-btn{right:16px;bottom:16px}
}

.reveal{opacity:1 !important;transform:none !important}

/* roulang page: category4 */
/* ============ 设计变量 ============ */
:root{
  --paper:#F5F1EA;
  --paper-2:#EDE8DF;
  --paper-3:#FBF9F5;
  --ink:#141A18;
  --ink-2:#1D2523;
  --primary:#1F5F55;
  --primary-d:#163F39;
  --primary-l:#7FB0A7;
  --accent:#D9773D;
  --accent-d:#B85F2C;
  --text:#1A1F1E;
  --text-2:#5C6663;
  --text-3:#9AA3A0;
  --line:#E2DCD2;
  --mist:#C9D8CE;
  --r-card:18px;
  --r-img:14px;
  --r-btn:999px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(20,26,24,.04);
  --sh-2:0 12px 32px -12px rgba(20,26,24,.12);
  --sh-3:0 22px 52px -20px rgba(20,26,24,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
}
/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:168px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary-d);text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease);}
a:hover{color:var(--accent-d);}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4{margin:0;line-height:1.28;color:var(--text);letter-spacing:-.01em;}
p{margin:0 0 1em;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--accent);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;}
/* ============ 容器 ============ */
.grid-container,.container{width:100%;max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px;}
.main{padding-top:0;}
/* ============ 浮动 Dock 导航 ============ */
.dock-wrap{
  position:fixed;top:0;left:0;right:0;z-index:200;
  display:flex;flex-direction:column;align-items:center;gap:8px;
  padding:14px 16px 0;pointer-events:none;
}
.dock-wrap>*{pointer-events:auto;}
.dock{
  position:relative;
  width:min(1180px,100%);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:10px 12px 10px 16px;
  background:rgba(251,249,245,.94);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  box-shadow:var(--sh-2);
  transition:width .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease);
}
.dock.is-scrolled{
  width:min(1020px,100%);
  background:rgba(251,249,245,.98);
  box-shadow:0 18px 44px -18px rgba(20,26,24,.26);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--primary),var(--primary-d));
  color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:14px;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:15px;font-weight:800;color:var(--text);letter-spacing:-.01em;}
.brand-sub{font-size:9.5px;letter-spacing:.2em;color:var(--text-3);font-weight:600;}
.dock-nav{display:flex;align-items:center;gap:2px;}
.dock-nav a{
  position:relative;display:inline-block;
  padding:9px 13px;border-radius:var(--r-btn);
  font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.dock-nav a:hover{background:var(--paper-2);color:var(--text);}
.dock-nav a.is-active{color:var(--primary-d);font-weight:700;background:rgba(201,216,206,.42);}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  border-radius:2px;background:var(--accent);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  display:grid;place-items:center;cursor:pointer;
  transition:transform .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.icon-btn:hover{color:var(--primary-d);border-color:var(--primary-l);transform:translateY(-2px);box-shadow:var(--sh-1);}
.icon-btn:active{transform:translateY(0);}
.burger{display:none;}
/* ============ 顶部细条 ============ */
.notice{
  width:min(1180px,100%);min-height:46px;
  display:flex;align-items:center;gap:16px;
  padding:7px 18px;border-radius:var(--r-btn);
  background:var(--ink);color:#D7D3CA;font-size:13px;
  box-shadow:var(--sh-2);
}
.notice-label{display:inline-flex;align-items:center;gap:9px;color:#fff;font-weight:700;white-space:nowrap;}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(217,119,61,.22);display:inline-block;}
.countdown{display:flex;align-items:center;gap:7px;margin:0 auto;font-variant-numeric:tabular-nums;}
.cd-cell{
  display:inline-flex;align-items:baseline;gap:4px;
  padding:4px 9px;border-radius:10px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.11);
}
.cd-num{font-size:16px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.2;}
.cd-unit{font-size:11px;color:#A9AFAB;}
.notice-cta{color:#fff;border-bottom:1px solid rgba(255,255,255,.38);padding-bottom:1px;white-space:nowrap;font-size:13px;}
.notice-cta:hover{color:var(--accent);border-bottom-color:var(--accent);}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 26px -14px rgba(31,95,85,.75);}
.btn-primary:hover{background:var(--primary-d);color:#fff;transform:translateY(-2px);box-shadow:0 18px 32px -16px rgba(31,95,85,.8);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 12px 26px -14px rgba(217,119,61,.85);}
.btn-accent:hover{background:var(--accent-d);color:#fff;transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--primary-d);border-color:rgba(255,255,255,.6);}
.btn-light:hover{background:#F5F1EA;color:var(--primary-d);transform:translateY(-2px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-d);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;}
.btn:active{transform:translateY(0);}
.link-underline{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-weight:700;color:var(--primary-d);padding-bottom:2px;
}
.link-underline::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--accent);transform:scaleX(.32);transform-origin:left;
  transition:transform .25s var(--ease);
}
.link-underline:hover{color:var(--accent-d);}
.link-underline:hover::after{transform:scaleX(1);}
/* ============ 首屏 ============ */
.hero-wrap{padding-top:158px;}
.hero{
  position:relative;overflow:hidden;border-radius:28px;
  background:var(--ink);color:#fff;padding:56px 48px 46px;
  box-shadow:var(--sh-3);
}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.4;}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(20,26,24,.94) 0%,rgba(20,26,24,.78) 52%,rgba(31,95,85,.66) 100%);
}
.hero-inner{position:relative;z-index:2;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);flex-wrap:wrap;}
.crumbs a{color:inherit;}
.crumbs a:hover{color:#fff;}
.crumbs .sep{color:rgba(255,255,255,.4);}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;margin:20px 0 16px;
  padding:6px 13px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.07);
  font-size:12.5px;letter-spacing:.05em;color:#EDE8DF;font-weight:600;
}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);font-weight:800;color:#fff;
  letter-spacing:-.02em;max-width:19em;margin-bottom:18px;
}
.hero-lead{font-size:17px;color:rgba(240,238,232,.86);max-width:44em;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-search{
  display:flex;align-items:center;gap:10px;max-width:560px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-btn);padding:6px 6px 6px 20px;
}
.hero-search input{
  flex:1 1 auto;min-width:0;background:transparent;border:0;outline:none;
  color:#fff;font-size:14.5px;height:38px;
}
.hero-search input::placeholder{color:rgba(255,255,255,.55);}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:44px;
  margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16);
}
.stat b{display:block;font-size:clamp(24px,2.8vw,34px);font-weight:800;color:#fff;line-height:1.15;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.stat span{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.7);}
/* ============ 板块 ============ */
.section{padding:104px 0;}
.section-sm{padding:76px 0;}
.section-alt{background:var(--paper-2);}
.sec-head{max-width:740px;margin-bottom:44px;}
.sec-eyebrow{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.14em;color:var(--accent);text-transform:uppercase;margin-bottom:10px;}
.sec-title{font-size:clamp(26px,3.2vw,38px);font-weight:800;margin-bottom:14px;}
.sec-desc{font-size:16px;color:var(--text-2);margin:0;}
/* ============ 速查长条 ============ */
.quick-list{border-top:1px solid var(--line);}
.quick-row{
  display:grid;grid-template-columns:84px 1fr 40px;gap:26px;align-items:center;
  padding:26px 4px;border-bottom:1px solid var(--line);color:inherit;
  transition:background .25s var(--ease),padding-left .25s var(--ease);
}
.quick-row:hover{background:rgba(255,255,255,.7);padding-left:16px;color:inherit;}
.q-num{font-size:22px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.q-title{font-size:18px;font-weight:700;color:var(--text);transition:color .2s var(--ease);}
.quick-row:hover .q-title{color:var(--accent-d);}
.q-desc{font-size:14px;color:var(--text-2);margin:6px 0 0;}
.q-arrow{justify-self:end;color:var(--text-3);transition:transform .25s var(--ease),color .25s var(--ease);}
.quick-row:hover .q-arrow{transform:translateX(4px);color:var(--accent);}
/* ============ 支持中心布局 ============ */
.support-grid{display:grid;grid-template-columns:262px 1fr;gap:52px;align-items:start;}
.side-nav{position:sticky;top:158px;}
.side-nav .side-title{font-size:12.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--text-3);margin-bottom:12px;}
.side-nav ul{list-style:none;}
.side-nav a{
  display:block;padding:11px 14px;border-radius:12px;font-size:14.5px;color:var(--text-2);
  border-left:2px solid transparent;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.side-nav a:hover{background:var(--paper-2);color:var(--text);}
.side-nav a.is-current{background:#fff;color:var(--primary-d);font-weight:700;border-left-color:var(--accent);box-shadow:var(--sh-1);}
.side-card{
  margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.side-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.side-card-body{padding:18px 20px 22px;}
.side-card-body h3{font-size:16px;margin-bottom:8px;}
.side-card-body p{font-size:13.5px;color:var(--text-2);margin-bottom:14px;}
.side-card-body .hotline{font-size:18px;font-weight:800;color:var(--primary-d);font-variant-numeric:tabular-nums;}
/* ============ FAQ 分组 ============ */
.faq-group{margin-bottom:48px;scroll-margin-top:172px;}
.faq-group:last-child{margin-bottom:0;}
.group-head{display:flex;align-items:center;gap:12px;margin-bottom:6px;}
.g-idx{font-size:12.5px;font-weight:800;letter-spacing:.1em;color:var(--accent);}
.group-head h2{font-size:clamp(21px,2.2vw,26px);font-weight:800;}
.group-note{font-size:14px;color:var(--text-3);margin:6px 0 16px;}
.accordion.faq-acc{margin:0;padding:0;list-style:none;border-top:1px solid var(--line);background:transparent;}
.faq-acc .accordion-item{background:transparent;border:none;border-bottom:1px solid var(--line);}
.faq-acc .accordion-title{
  position:relative;display:block;background:transparent;border:none;
  padding:20px 52px 20px 0;font-size:16.5px;font-weight:700;color:var(--text);
  line-height:1.6;transition:color .2s var(--ease);
}
.faq-acc .accordion-title:hover,.faq-acc .accordion-title:focus{background:transparent;color:var(--primary-d);}
.faq-acc .accordion-title::before{
  content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--primary);font-size:16px;font-weight:500;
  display:grid;place-items:center;float:none;line-height:1;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.faq-acc .accordion-title[aria-expanded="true"]{color:var(--primary-d);}
.faq-acc .accordion-title[aria-expanded="true"]::before{content:"−";background:var(--primary);color:#fff;border-color:var(--primary);}
.faq-acc .accordion-content{
  display:none;background:transparent;border:none;color:var(--text-2);
  padding:0 56px 22px 0;font-size:15px;line-height:1.85;
}
.faq-acc .accordion-content p{margin:0 0 10px;}
.faq-acc .accordion-content ul{margin:0 0 10px;padding-left:22px;list-style:disc;}
.faq-acc .accordion-content li{margin-bottom:6px;}
/* ============ 资源列表 ============ */
.res-list{list-style:none;border:1px solid var(--line);border-radius:var(--r-card);background:#fff;overflow:hidden;box-shadow:var(--sh-1);}
.res-item{
  display:grid;grid-template-columns:1fr 76px 96px 112px;gap:16px;align-items:center;
  padding:20px 26px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.res-item:last-child{border-bottom:0;}
.res-item:hover{background:var(--paper-3);}
.res-main{display:flex;flex-direction:column;gap:4px;}
.res-name{font-size:16px;font-weight:700;color:var(--text);}
.res-desc{font-size:13.5px;color:var(--text-3);}
.res-fmt,.res-size{font-size:13px;color:var(--text-2);font-variant-numeric:tabular-nums;}
.res-fmt{font-weight:700;color:var(--primary);}
.res-dl{
  justify-self:end;display:inline-flex;align-items:center;gap:6px;
  font-size:13.5px;font-weight:700;color:var(--primary-d);
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.res-dl:hover{color:var(--accent-d);border-bottom-color:var(--accent);}
/* ============ 支持时效 ============ */
.channel-band{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.channel{padding:30px 26px;border-right:1px solid var(--line);}
.channel:last-child{border-right:0;}
.channel b{display:block;font-size:clamp(20px,2.2vw,26px);font-weight:800;color:var(--primary-d);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
.channel span{display:block;margin-top:6px;font-size:13.5px;color:var(--text-2);}
/* ============ 联系 CTA 卡 ============ */
.cta-card{
  position:relative;overflow:hidden;border-radius:28px;background:var(--ink);
  color:#fff;padding:56px 48px;box-shadow:var(--sh-3);
}
.cta-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.28;}
.cta-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(20,26,24,.95),rgba(22,63,57,.78));
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.cta-inner h2{font-size:clamp(24px,3vw,34px);color:#fff;margin-bottom:14px;}
.cta-inner p{color:rgba(240,238,232,.82);margin-bottom:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.cta-contact{
  border:1px solid rgba(255,255,255,.18);border-radius:var(--r-card);
  padding:26px 28px;background:rgba(255,255,255,.05);
}
.cta-contact h3{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.03em;}
.cta-contact li{
  list-style:none;display:flex;gap:12px;font-size:14px;color:rgba(240,238,232,.82);
  padding:10px 0;border-bottom:1px solid rgba(255,255,255,.1);
}
.cta-contact li:last-child{border-bottom:0;padding-bottom:0;}
.cta-contact b{color:#fff;font-weight:600;min-width:70px;flex:0 0 auto;}
/* ============ 相关分类 ============ */
.related{display:flex;flex-wrap:wrap;gap:14px;}
.related a{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 20px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--line);color:var(--text);
  font-size:14.5px;font-weight:600;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.related a:hover{transform:translateY(-2px);border-color:var(--primary-l);color:var(--primary-d);}
/* ============ 页脚 ============ */
.footer{
  margin-top:112px;background:var(--ink);color:#C4CAC6;
  padding:74px 0 28px;border-top-left-radius:32px;border-top-right-radius:32px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:44px;}
.footer .brand-name{color:#fff;}
.footer .brand-sub{color:rgba(255,255,255,.5);}
.footer-about{margin-top:18px;font-size:14px;color:rgba(228,232,229,.68);max-width:320px;line-height:1.85;}
.footer h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.03em;}
.footer-links{list-style:none;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:rgba(228,232,229,.72);font-size:14px;display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease);}
.footer-links a:hover{color:#fff;transform:translateX(3px);}
.footer-contact{list-style:none;font-size:14px;color:rgba(228,232,229,.72);}
.footer-contact li{display:flex;gap:12px;margin-bottom:13px;line-height:1.7;}
.footer-contact b{color:#fff;font-weight:600;flex:0 0 auto;min-width:64px;}
.footer-bottom{
  margin-top:52px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(228,232,229,.58);
}
.to-top{color:rgba(228,232,229,.72);font-size:12.5px;}
.to-top:hover{color:var(--accent);}
/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}
/* ============ 响应式 ============ */
@media (max-width:1180px){
  .dock{width:min(100%,100%);}
  .dock.is-scrolled{width:min(100%,100%);}
}
@media (max-width:1024px){
  .section{padding:88px 0;}
  .section-sm{padding:64px 0;}
  .hero{padding:46px 34px 40px;}
  .hero-stats{gap:32px;}
  .support-grid{grid-template-columns:1fr;gap:30px;}
  .side-nav{position:static;top:auto;}
  .side-nav .side-title{margin-bottom:10px;}
  .side-nav ul{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch;}
  .side-nav li{flex:0 0 auto;}
  .side-nav a{white-space:nowrap;border-left:0;border:1px solid var(--line);background:#fff;padding:10px 16px;}
  .side-nav a.is-current{background:var(--mist);border-color:var(--primary-l);box-shadow:none;}
  .side-card{max-width:460px;}
  .channel-band{grid-template-columns:repeat(2,1fr);}
  .channel:nth-child(2){border-right:0;}
  .channel:nth-child(-n+2){border-bottom:1px solid var(--line);}
  .cta-inner{grid-template-columns:1fr;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:960px){
  .dock-nav{display:none;}
  .burger{display:grid;}
  .dock.is-open .dock-nav{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;top:calc(100% + 10px);left:0;right:0;z-index:210;
    padding:12px;background:var(--paper-3);border:1px solid var(--line);
    border-radius:22px;box-shadow:var(--sh-3);
  }
  .dock.is-open .dock-nav a{padding:13px 16px;border-radius:14px;font-size:15px;}
  .dock.is-open .dock-nav a.is-active::after{display:none;}
  .dock.is-open .dock-nav a.is-active{background:var(--mist);}
  .hero-wrap{padding-top:150px;}
  .faq-acc .accordion-content{padding-right:24px;}
}
@media (max-width:768px){
  .section{padding:64px 0;}
  .section-sm{padding:52px 0;}
  .hero{border-radius:22px;padding:32px 22px 30px;}
  .hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-lead{font-size:16px;}
  .hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:22px 20px;}
  .quick-row{grid-template-columns:52px 1fr;gap:14px;padding:22px 2px;}
  .q-arrow{display:none;}
  .res-item{grid-template-columns:1fr auto auto;gap:10px 14px;padding:18px 18px;}
  .res-main{grid-column:1 / -1;}
  .res-dl{justify-self:end;}
  .cta-card{border-radius:22px;padding:36px 24px;}
  .footer{padding:56px 0 24px;border-top-left-radius:24px;border-top-right-radius:24px;}
}
@media (max-width:600px){
  body{font-size:16px;}
  .grid-container,.container{padding-left:16px;padding-right:16px;}
  .dock-wrap{padding:10px 12px 0;gap:6px;}
  .dock{padding:8px 8px 8px 12px;gap:10px;}
  .brand-sub{display:none;}
  .dock-actions .icon-btn:not(.burger){display:none;}
  .notice{padding:6px 14px;gap:10px;}
  .notice-label,.notice-cta{display:none;}
  .countdown{margin:0 auto;gap:6px;}
  .cd-num{font-size:15px;}
  .hero-wrap{padding-top:132px;}
  .hero-actions .btn{width:100%;}
  .hero-search{padding:6px 6px 6px 16px;}
  .res-item{grid-template-columns:auto auto 1fr;padding:16px 14px;}
  .res-fmt{justify-self:start;}
  .res-size{justify-self:start;}
  .res-dl{justify-self:end;}
  .channel-band{grid-template-columns:1fr;}
  .channel{border-right:0;border-bottom:1px solid var(--line);padding:24px 20px;}
  .channel:last-child{border-bottom:0;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .faq-acc .accordion-title{font-size:15.5px;padding-right:46px;}
  .related a{width:100%;justify-content:center;}
}