/* roulang page: index */
:root{
  --paper:#F6F3EE;
  --paper-2:#EFEBE4;
  --ink:#101113;
  --ink-2:#4A4E52;
  --brand:#F04E1E;
  --brand-deep:#C63A12;
  --brand-soft:#FFEDE4;
  --jade:#0F5F4C;
  --jade-soft:#E4F0EB;
  --line:#E3DED6;
  --amber:#F2B33D;
  --card:#FFFFFF;
  --card-2:#FFFDFA;
  --radius-xl:32px;
  --radius-lg:24px;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 8px 24px -14px rgba(16,17,19,.18);
  --shadow-hover:0 18px 40px -18px rgba(16,17,19,.28);
  --maxw:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:"Inter","Helvetica Neue",Arial,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
::selection{background:var(--brand);color:#fff;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:120px 0;}
.section-tight{padding:88px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--jade);
  background:var(--jade-soft);border-radius:999px;padding:6px 14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
h2.sec-title{
  font-size:clamp(1.5rem,2.8vw,2.25rem);
  line-height:1.2;font-weight:800;letter-spacing:-.01em;margin:18px 0 0;
}
.sec-sub{color:var(--ink-2);font-size:16px;max-width:620px;margin-top:14px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:52px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--ink);
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:color .3s var(--ease),border-color .3s var(--ease);
}
.link-arrow svg{transition:transform .3s var(--ease);}
.link-arrow:hover{color:var(--brand);border-color:var(--brand);}
.link-arrow:hover svg{transform:translateX(4px);}

/* ============ Dock 导航 ============ */
.dock-wrap{position:sticky;top:0;z-index:90;padding:20px 24px 0;pointer-events:none;}
.dock{
  pointer-events:auto;
  max-width:1120px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 20px;
  border-radius:999px;
  background:rgba(246,243,238,.82);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(16,17,19,.08);
  box-shadow:var(--shadow);
  transition:padding .35s var(--ease),box-shadow .35s var(--ease),max-width .35s var(--ease);
}
.dock.is-scrolled{padding:6px 10px 6px 16px;box-shadow:0 10px 30px -18px rgba(16,17,19,.34);}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:24px;height:24px;border-radius:8px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  position:relative;
}
.logo-mark::after{content:"";position:absolute;inset:7px;border-radius:3px;background:var(--paper);opacity:.9;}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.dock-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.dock-links a{
  display:inline-block;font-size:14px;font-weight:600;color:var(--ink-2);
  padding:9px 14px;border-radius:999px;
  transition:color .25s var(--ease),background-color .25s var(--ease);
  position:relative;
}
.dock-links a:hover{color:var(--ink);background:rgba(16,17,19,.05);}
.dock-links a.active{color:var(--brand);background:var(--brand-soft);}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.icon-btn{
  width:42px;height:42px;border-radius:999px;border:1px solid var(--line);
  background:var(--card);display:grid;place-items:center;color:var(--ink-2);
  transition:border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.menu-btn{display:none;width:42px;height:42px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--ink);}
.menu-btn span{display:block;width:16px;height:2px;background:currentColor;margin:3px auto;border-radius:2px;}

/* 抽屉 */
.drawer{
  pointer-events:auto;
  position:fixed;inset:0;z-index:120;background:var(--ink);color:var(--paper);
  padding:32px 24px;display:flex;flex-direction:column;gap:8px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-top .logo-text{color:var(--paper);}
.drawer-close{width:42px;height:42px;border-radius:999px;border:1px solid rgba(246,243,238,.24);background:transparent;color:var(--paper);font-size:20px;line-height:1;}
.drawer a.drawer-link{
  font-size:20px;font-weight:600;color:rgba(246,243,238,.86);
  padding:16px 4px;border-bottom:1px solid rgba(246,243,238,.12);
  opacity:0;transform:translateY(10px);
}
.drawer.is-open a.drawer-link{opacity:1;transform:none;transition:opacity .4s var(--ease),transform .4s var(--ease);}
.drawer.is-open a.drawer-link:nth-child(2){transition-delay:.04s;}
.drawer.is-open a.drawer-link:nth-child(3){transition-delay:.08s;}
.drawer.is-open a.drawer-link:nth-child(4){transition-delay:.12s;}
.drawer-cta{margin-top:auto;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:52px;padding:0 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:background-color .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease);
}
.btn svg{transition:transform .3s var(--ease);}
.btn:hover svg{transform:translateX(4px);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 26px -16px rgba(240,78,30,.9);}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(16,17,19,.22);}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px);}
.btn-ghost-light{background:transparent;color:var(--paper);border-color:rgba(246,243,238,.4);}
.btn-ghost-light:hover{border-color:var(--paper);transform:translateY(-2px);}
.btn-sm{height:44px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.45;cursor:not-allowed;}

/* ============ Hero ============ */
.hero{position:relative;padding:72px 0 96px;min-height:78vh;display:flex;align-items:center;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(900px 520px at 82% 12%,rgba(15,95,76,.10),transparent 62%),
    radial-gradient(700px 420px at 6% 88%,rgba(240,78,30,.10),transparent 60%);
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;width:100%;}
.hero-copy h1{
  font-size:clamp(2.25rem,5.2vw,4.25rem);
  line-height:1.08;font-weight:900;letter-spacing:-.02em;color:var(--ink);
  margin-top:22px;
}
.hero-bar{width:64px;height:8px;background:var(--brand);border-radius:4px;margin:26px 0 20px;}
.hero-sub{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:520px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-metrics{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  margin-top:56px;padding-top:28px;border-top:1px solid var(--line);max-width:560px;
}
.metric-num{font-family:var(--mono);font-size:32px;font-weight:800;line-height:1;letter-spacing:-.02em;}
.metric-num em{font-style:normal;font-size:16px;color:var(--jade);margin-left:4px;}
.metric-label{font-size:12px;letter-spacing:.12em;color:var(--ink-2);margin-top:10px;text-transform:uppercase;}
.hero-visual{position:relative;}
.hero-visual .frame{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;
  background:var(--ink);aspect-ratio:4/5;box-shadow:var(--shadow-hover);
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover;}
.hero-visual .frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,17,19,0) 40%,rgba(16,17,19,.72) 100%);}
.hero-card{
  position:absolute;left:-22px;bottom:34px;right:auto;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;box-shadow:var(--shadow-hover);max-width:240px;
}
.hero-card .tag{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--brand);font-weight:700;}
.hero-card p{font-size:14px;color:var(--ink-2);margin-top:6px;line-height:1.6;}
.hero-visual .badge-float{
  position:absolute;right:-14px;top:28px;
  background:var(--jade);color:#fff;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.06em;padding:9px 16px;
  box-shadow:var(--shadow-hover);
}

/* ============ 跑马灯 ============ */
.marquee{
  height:72px;display:flex;align-items:center;overflow:hidden;
  background:var(--ink);color:var(--paper);position:relative;
}
.marquee-track{display:flex;align-items:center;gap:36px;white-space:nowrap;animation:marquee 40s linear infinite;will-change:transform;}
.marquee:hover .marquee-track{animation-play-state:paused;}
.marquee-item{display:inline-flex;align-items:center;gap:18px;font-size:24px;font-weight:800;letter-spacing:-.01em;}
.marquee-item::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand);}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ============ 品牌故事 ============ */
.story{display:grid;grid-template-columns:5fr 6fr;gap:72px;align-items:center;}
.story-figure{position:relative;}
.story-figure img{
  width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:20px;
  background:var(--ink);box-shadow:var(--shadow);
}
.story-figure::after{
  content:"";position:absolute;inset:22px -14px -14px 22px;
  border:1px solid var(--brand);border-radius:20px;z-index:-1;
}
.point{display:flex;gap:22px;padding:26px 0;border-bottom:1px solid var(--line);}
.point:first-child{padding-top:4px;}
.point-num{font-family:var(--mono);font-size:72px;font-weight:900;line-height:.9;color:rgba(15,95,76,.18);flex:0 0 auto;}
.point-body h3{font-size:19px;font-weight:700;margin-bottom:8px;}
.point-body p{font-size:15px;color:var(--ink-2);}

/* ============ 精选内容 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.f-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);
}
.f-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(16,17,19,.14);}
.f-card:first-child{grid-column:span 2;grid-row:span 1;}
.f-cover{position:relative;background:var(--ink);overflow:hidden;}
.f-card .f-cover{aspect-ratio:16/10;}
.f-card:first-child .f-cover{aspect-ratio:21/9;}
.f-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.f-card:hover .f-cover img{transform:scale(1.04);}
.f-badge{
  position:absolute;left:14px;top:14px;z-index:2;
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:4px 10px;border-radius:6px;
}
.f-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.f-body h3{font-size:18px;font-weight:700;line-height:1.5;}
.f-body p{font-size:14px;color:var(--ink-2);line-height:1.75;}
.f-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:14px;border-top:1px solid rgba(16,17,19,.08);}
.f-time{font-family:var(--mono);font-size:12px;color:var(--ink-2);letter-spacing:.06em;}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.n-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.n-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.n-cover{position:relative;aspect-ratio:16/9;background:var(--ink);overflow:hidden;}
.n-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.n-card:hover .n-cover img{transform:scale(1.04);}
.n-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.n-body h3{font-size:18px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.n-body p{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.empty-state{
  grid-column:1/-1;background:var(--paper-2);border:1px dashed var(--line);
  border-radius:18px;padding:56px 24px;text-align:center;
}
.empty-state svg{color:var(--jade);margin:0 auto 16px;}
.empty-state p{font-size:15px;color:var(--ink-2);margin-bottom:20px;}

/* ============ 信任背书 ============ */
.trust{background:var(--ink);color:var(--paper);border-radius:var(--radius-xl);padding:72px 56px;}
.trust-inner{display:grid;grid-template-columns:4fr 7fr;gap:56px;align-items:center;}
.trust h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:800;line-height:1.25;color:var(--paper);}
.trust h2 span{color:var(--brand);}
.trust-lead{color:rgba(246,243,238,.68);font-size:15px;margin-top:16px;}
.trust-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.12);}
.trust-stat .num{font-family:var(--mono);font-size:48px;font-weight:900;line-height:1;letter-spacing:-.03em;}
.trust-stat .num em{font-style:normal;font-size:15px;color:var(--amber);margin-left:4px;}
.trust-stat .lab{font-size:12px;letter-spacing:.12em;color:rgba(246,243,238,.6);margin-top:12px;}
.trust-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.trust-badge{
  height:40px;display:inline-flex;align-items:center;padding:0 18px;
  border:1px solid rgba(255,255,255,.16);border-radius:999px;
  font-size:13px;color:rgba(246,243,238,.86);letter-spacing:.04em;
}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  font-size:17px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:999px;
  border:1px solid var(--line);display:grid;place-items:center;
  transition:transform .3s var(--ease),background-color .3s var(--ease),color .3s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;border-color:var(--brand);}
.faq-item p{font-size:15px;color:var(--ink-2);padding:0 0 22px;max-width:760px;}

/* ============ 订阅 CTA ============ */
.cta{
  background:var(--card-2);border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:56px;display:grid;grid-template-columns:5fr 6fr;gap:48px;align-items:center;
  box-shadow:var(--shadow);
}
.cta h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:800;line-height:1.25;}
.cta p{color:var(--ink-2);font-size:15px;margin-top:14px;}
.sub-form{display:flex;gap:12px;align-items:flex-start;}
.sub-form .field{flex:1;}
.sub-form input{
  width:100%;height:56px;border-radius:12px;border:1px solid var(--line);
  background:var(--card);padding:0 18px;font-size:15px;color:var(--ink);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.sub-form input::placeholder{color:#9A9C9E;}
.sub-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(240,78,30,.18);}
.sub-form .btn{height:56px;}
.form-hint{font-size:13px;color:var(--ink-2);margin-top:12px;}
.form-hint.ok{color:var(--jade);font-weight:600;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--paper);margin-top:120px;padding:72px 0 32px;}
.footer-top{border-top:1px solid rgba(255,255,255,.08);padding-top:56px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;}
.footer-brand .dock-logo{margin-bottom:18px;}
.footer-brand .logo-text{color:var(--paper);}
.footer-brand p{font-size:14px;color:rgba(246,243,238,.66);max-width:300px;line-height:1.8;}
.footer-brand .contact{margin-top:20px;font-size:14px;color:rgba(246,243,238,.8);font-family:var(--mono);letter-spacing:.03em;}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.1em;color:rgba(246,243,238,.55);margin-bottom:18px;}
.footer-col a{display:block;font-size:14px;color:rgba(246,243,238,.7);padding:6px 0;transition:color .25s var(--ease),transform .25s var(--ease);}
.footer-col a:hover{color:var(--brand);transform:translateX(3px);}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(246,243,238,.55);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom nav a:hover{color:var(--brand);}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.in-view{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:1200px){
  .hero-inner{grid-template-columns:1fr 1fr;gap:36px;}
  .trust-inner{grid-template-columns:1fr;gap:36px;}
  .trust-stats{grid-template-columns:repeat(2,1fr);}
  .story{gap:48px;}
}
@media (max-width:1024px){
  .section{padding:88px 0;}
  .dock-links{display:none;}
  .menu-btn{display:block;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .f-card:first-child{grid-column:span 2;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .story{grid-template-columns:1fr;gap:40px;}
  .story-figure{max-width:520px;}
  .cta{grid-template-columns:1fr;gap:32px;padding:44px 36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .dock-wrap{padding:12px 14px 0;}
  .dock{border-radius:18px;padding:8px 10px 8px 14px;}
  .dock-actions .btn{display:none;}
  .hero{padding:40px 0 56px;min-height:auto;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-visual{order:-1;max-width:420px;}
  .hero-visual .frame{aspect-ratio:16/12;}
  .hero-visual .badge-float{right:10px;top:14px;}
  .hero-card{position:static;max-width:none;margin-top:14px;box-shadow:var(--shadow);}
  .hero-metrics{grid-template-columns:1fr 1fr;gap:20px;margin-top:36px;}
  .marquee-item{font-size:18px;}
  .section{padding:64px 0;}
  .section-tight{padding:56px 0;}
  .feature-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:16px;padding-bottom:12px;-webkit-overflow-scrolling:touch;}
  .feature-grid::-webkit-scrollbar{height:4px;}
  .feature-grid::-webkit-scrollbar-thumb{background:var(--line);border-radius:2px;}
  .f-card,.f-card:first-child{flex:0 0 82%;scroll-snap-align:start;}
  .news-grid{grid-template-columns:1fr;}
  .trust{padding:44px 24px;border-radius:var(--radius-lg);}
  .trust-stats{grid-template-columns:1fr 1fr;gap:18px;}
  .trust-stat .num{font-size:36px;}
  .sub-form{flex-direction:column;}
  .sub-form .btn{width:100%;}
  .cta{padding:36px 24px;border-radius:var(--radius-lg);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{margin-top:72px;padding-top:48px;}
  .point-num{font-size:52px;}
}
@media (max-width:520px){
  .hero-copy h1{font-size:2rem;}
  .hero-metrics{grid-template-columns:1fr;}
  .hero-cta .btn{width:100%;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:18px;}
  .point{gap:14px;}
  .point-num{font-size:42px;}
  .trust-stats{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --paper:#F6F3EE;
  --paper-2:#EFEBE4;
  --ink:#101113;
  --ink-2:#4A4E52;
  --brand:#F04E1E;
  --brand-deep:#C63A12;
  --brand-soft:#FFEDE4;
  --jade:#0F5F4C;
  --jade-soft:#E4F0EB;
  --line:#E3DED6;
  --amber:#F2B33D;
  --card:#FFFFFF;
  --card-2:#FFFDFA;
  --radius-xl:32px;
  --radius-lg:24px;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 8px 24px -14px rgba(16,17,19,.18);
  --shadow-hover:0 18px 40px -18px rgba(16,17,19,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --font-cn:"PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","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(--paper);color:var(--ink);
  font-family:var(--font-cn);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--brand)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.nums{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:sticky;top:20px;z-index:90;padding:0 24px}
.dock{
  max-width:1120px;margin:0 auto;display:flex;align-items:center;gap:20px;
  padding:10px 12px 10px 20px;border-radius:999px;
  background:rgba(246,243,238,.82);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(16,17,19,.08);
  box-shadow:0 10px 30px -22px rgba(16,17,19,.35);
  transition:padding .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease);
}
.dock.is-scrolled{padding:6px 10px 6px 16px;box-shadow:0 14px 34px -24px rgba(16,17,19,.45);background:rgba(246,243,238,.94)}
.dock-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:24px;height:24px;border-radius:8px;background:var(--brand);position:relative;flex:0 0 auto}
.logo-mark::after{content:"";position:absolute;inset:7px 8px 7px 8px;background:var(--paper);border-radius:2px}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.dock-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto}
.dock-links a{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-2);position:relative;
}
.dock-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.dock-links a:hover{color:var(--ink);background:rgba(16,17,19,.04)}
.dock-links a:hover::after{transform:scaleX(1)}
.dock-links a.active{color:var(--ink);background:var(--brand-soft)}
.dock-links a.active::after{transform:scaleX(1)}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);border:1px solid transparent;transition:all .24s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:var(--line);background:var(--card)}
.menu-btn{display:none;width:40px;height:40px;border-radius:999px;flex-direction:column;justify-content:center;align-items:center;gap:4px}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .3s var(--ease),opacity .3s var(--ease)}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;background:var(--ink);color:var(--paper);
  padding:32px 26px;display:flex;flex-direction:column;gap:6px;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-head .logo-text{color:var(--paper)}
.drawer-close{width:40px;height:40px;border-radius:999px;border:1px solid rgba(246,243,238,.2);color:var(--paper);font-size:20px;line-height:1}
.drawer a.d-link{
  font-size:20px;font-weight:600;padding:16px 0;border-bottom:1px solid rgba(246,243,238,.1);color:rgba(246,243,238,.86);
  opacity:0;transform:translateY(10px);
}
.drawer.is-open a.d-link{opacity:1;transform:translateY(0);transition:opacity .4s var(--ease),transform .4s var(--ease),color .24s}
.drawer.is-open a.d-link:nth-child(2){transition-delay:.04s}
.drawer.is-open a.d-link:nth-child(3){transition-delay:.08s}
.drawer.is-open a.d-link:nth-child(4){transition-delay:.12s}
.drawer.is-open a.d-link:nth-child(5){transition-delay:.16s}
.drawer a.d-link:hover{color:var(--brand)}
.drawer .btn{margin-top:28px}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:52px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:600;
  letter-spacing:.02em;transition:all .28s var(--ease);white-space:nowrap;
}
.btn svg{transition:transform .28s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--brand);color:#FFFDFA}
.btn-primary:hover{background:var(--brand-deep);color:#FFFDFA;box-shadow:var(--shadow-hover)}
.btn-outline{border:1px solid var(--ink);color:var(--ink)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn:disabled,.btn.is-disabled{opacity:.45;pointer-events:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink);
  position:relative;
}
.link-arrow::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.link-arrow:hover{color:var(--brand)}
.link-arrow:hover::after{transform:scaleX(1)}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.04em;
}
.badge-jade{background:var(--jade-soft);color:var(--jade)}
.tag{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--card-2);font-size:13px;color:var(--ink-2);
  transition:all .24s var(--ease);
}
.tag:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}

/* ---------- 文章页头 ---------- */
.article-hero{padding:64px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:22px}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span.sep{color:rgba(16,17,19,.28)}
.article-hero h1{
  font-size:clamp(1.75rem,3.4vw,2.75rem);line-height:1.25;font-weight:800;
  letter-spacing:-.015em;max-width:820px;margin:16px 0 0;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;
  font-size:13px;color:var(--ink-2);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--jade);opacity:.6;display:inline-block}
.article-cover{margin:36px 0 0}
.article-cover .figure{
  border-radius:20px;overflow:hidden;border:1px solid var(--line);background:var(--ink);
  box-shadow:var(--shadow);
}
.article-cover img{width:100%;aspect-ratio:21/9;object-fit:cover}
.article-cover figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:14px}

/* ---------- 正文布局 ---------- */
.article-main{padding:56px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:64px;max-width:1080px;margin:0 auto}
.article-col{max-width:760px;min-width:0}
.article-body{font-size:17px;line-height:1.85;color:#1B1D20}
.article-body p{margin:0 0 1.5em}
.article-body h2{
  position:relative;font-size:24px;line-height:1.35;font-weight:800;letter-spacing:-.01em;
  margin:2.4em 0 .9em;padding-left:16px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.16em;width:4px;height:1.1em;border-radius:2px;background:var(--brand)}
.article-body h3{font-size:20px;line-height:1.45;font-weight:700;margin:1.9em 0 .7em}
.article-body h4{font-size:17px;font-weight:700;margin:1.6em 0 .6em}
.article-body ul,.article-body ol{margin:0 0 1.5em;padding-left:2px}
.article-body ul li{position:relative;padding-left:22px;margin:0 0 .6em}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--brand)}
.article-body ol{counter-reset:olc}
.article-body ol li{position:relative;padding-left:30px;margin:0 0 .6em;counter-increment:olc}
.article-body ol li::before{
  content:counter(olc);position:absolute;left:0;top:.28em;width:20px;height:20px;border-radius:50%;
  background:var(--jade-soft);color:var(--jade);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;font-family:var(--font-num);
}
.article-body blockquote{
  margin:1.8em 0;padding:24px 26px;background:var(--paper-2);border-left:3px solid var(--brand);
  border-radius:0 14px 14px 0;color:#2A2D31;font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:1.6em 0;border:1px solid var(--line)}
.article-body a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--brand);text-underline-offset:3px}
.article-body a:hover{color:var(--brand-deep);text-decoration-color:var(--brand-deep)}
.article-body strong{font-weight:700}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.article-body th{background:var(--ink);color:var(--paper);text-align:left;padding:12px 14px;font-weight:600}
.article-body td{padding:12px 14px;border-top:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#F2EEE8}
.article-body code{background:var(--paper-2);border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:14.5px}

/* 目录 */
.article-aside{position:relative}
.toc{position:sticky;top:112px;border-left:1px solid var(--line);padding-left:20px}
.toc h4{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--ink-2);text-transform:uppercase;margin-bottom:14px;font-family:var(--font-num)}
.toc ul{display:flex;flex-direction:column;gap:2px}
.toc a{
  display:block;font-size:13.5px;line-height:1.6;color:var(--ink-2);padding:6px 0 6px 12px;
  position:relative;border-left:2px solid transparent;margin-left:-21px;padding-left:20px;
}
.toc a:hover{color:var(--ink)}
.toc a.is-current{color:var(--brand);font-weight:600;border-left-color:var(--brand)}
.toc-empty{font-size:13px;color:var(--ink-2);opacity:.7}

/* 文末 */
.article-foot{margin-top:56px;padding-top:32px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-row .label{font-size:13px;color:var(--ink-2);margin-right:4px}
.end-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* 相关推荐 */
.related{padding:88px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:clamp(1.5rem,2.8vw,2.25rem);line-height:1.2;font-weight:800;letter-spacing:-.015em}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;background:var(--card-2);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(240,78,30,.35)}
.post-card .thumb{position:relative;overflow:hidden;background:var(--ink)}
.post-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
.post-card:hover .thumb img{transform:scale(1.04)}
.thumb .badge{position:absolute;top:14px;left:14px;background:rgba(255,237,228,.94)}
.post-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.post-card h3{font-size:18px;line-height:1.5;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card p{font-size:14px;line-height:1.75;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .meta{
  margin-top:auto;padding-top:14px;border-top:1px solid rgba(16,17,19,.08);
  display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--ink-2);
}

/* 空态 */
.empty-state{
  background:var(--paper-2);border:1px dashed var(--line);border-radius:18px;
  padding:56px 32px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;
}
.empty-state svg{color:var(--jade);opacity:.85}
.empty-state p{font-size:16px;color:var(--ink-2)}

/* CTA */
.cta-band{padding:96px 0 0}
.cta-box{
  background:var(--ink);color:var(--paper);border-radius:var(--radius-xl);padding:56px;
  display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;
}
.cta-box h2{font-size:clamp(1.5rem,2.8vw,2.25rem);line-height:1.2;font-weight:800;letter-spacing:-.015em}
.cta-box p{margin-top:14px;font-size:15px;line-height:1.8;color:rgba(246,243,238,.68);max-width:44ch}
.cta-form{display:flex;gap:12px}
.cta-form input{
  flex:1 1 auto;height:56px;border-radius:12px;border:1px solid rgba(246,243,238,.2);
  background:rgba(246,243,238,.06);color:var(--paper);padding:0 18px;font-size:15px;outline:none;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.cta-form input::placeholder{color:rgba(246,243,238,.45)}
.cta-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(240,78,30,.18)}
.cta-note{font-size:13px;color:rgba(246,243,238,.55);margin-top:14px}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:110px;background:var(--ink);color:var(--paper);border-top:1px solid rgba(255,255,255,.08)}
.footer-top{padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:56px}
.footer-brand .dock-logo{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(246,243,238,.66);max-width:34ch}
.footer-brand .contact{margin-top:16px;font-size:13px;color:rgba(246,243,238,.5)}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.1em;color:rgba(246,243,238,.5);margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:rgba(246,243,238,.7);padding:6px 0}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0 32px;
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(246,243,238,.5);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom nav a{color:rgba(246,243,238,.6)}
.footer-bottom nav a:hover{color:var(--brand)}

/* 入场动画 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

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

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .article-aside{display:none}
  .article-col{max-width:760px;margin:0 auto}
}
@media (max-width:1024px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-box{grid-template-columns:1fr;gap:32px;padding:44px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .dock-wrap{top:0;padding:10px 12px}
  .dock{border-radius:18px;padding:10px 12px 10px 14px;gap:10px}
  .dock.is-scrolled{padding:10px 12px 10px 14px}
  .dock-links{display:none}
  .dock-actions .icon-btn{display:none}
  .menu-btn{display:flex}
  .article-hero{padding:36px 0 0}
  .article-cover{margin-top:26px}
  .article-main{padding:36px 0 0}
  .article-body{font-size:16px;line-height:1.85}
  .related{padding:56px 0 0}
  .grid-3{grid-template-columns:minmax(0,1fr)}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
  .cta-band{padding:64px 0 0}
  .cta-box{padding:32px 22px;border-radius:24px}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .site-footer{margin-top:72px}
  .footer-top{padding:48px 0 0}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-col{width:100%}
}
@media (max-width:520px){
  .article-hero h1{font-size:1.65rem}
  .logo-text{font-size:16px}
  .article-meta{font-size:12px;gap:8px}
  .btn{height:48px;padding:0 22px;font-size:14.5px}
}

/* roulang page: category1 */
:root{
  --paper:#F6F3EE;
  --paper-2:#EFEBE4;
  --ink:#101113;
  --ink-2:#4A4E52;
  --brand:#F04E1E;
  --brand-deep:#C63A12;
  --brand-soft:#FFEDE4;
  --jade:#0F5F4C;
  --jade-soft:#E4F0EB;
  --line:#E3DED6;
  --amber:#F2B33D;
  --card:#FFFFFF;
  --card-2:#FFFDFA;
  --radius-xl:32px;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow:0 8px 24px -14px rgba(16,17,19,.18);
  --shadow-hover:0 18px 40px -18px rgba(16,17,19,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-cn);background:var(--paper);color:var(--ink);
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:sticky;top:20px;z-index:90;padding:0 24px}
.dock{
  max-width:1120px;margin:0 auto;display:flex;align-items:center;gap:14px;
  padding:10px 12px 10px 20px;border-radius:999px;
  background:rgba(246,243,238,.82);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(16,17,19,.08);
  box-shadow:0 8px 24px -18px rgba(16,17,19,.3);
  transition:padding .32s var(--ease),box-shadow .32s var(--ease),background .32s var(--ease),border-color .32s var(--ease);
}
.dock.shrink{padding:6px 10px 6px 16px;box-shadow:0 14px 34px -22px rgba(16,17,19,.5)}
.dock-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:24px;height:24px;border-radius:8px;background:var(--brand);position:relative;display:inline-block;flex:0 0 auto}
.logo-mark::after{content:"";position:absolute;inset:7px;border-radius:2px;background:var(--paper);transition:background .3s var(--ease)}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;transition:color .3s var(--ease)}
.dock-links{display:flex;align-items:center;gap:4px;margin:0 auto}
.dock-links a{display:inline-block;padding:8px 14px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--ink-2);transition:color .24s var(--ease),background .24s var(--ease)}
.dock-links a:hover{color:var(--ink);background:rgba(16,17,19,.05)}
.dock-links a.active{color:var(--brand);background:var(--brand-soft)}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:transparent;
  display:grid;place-items:center;cursor:pointer;color:var(--ink-2);
  transition:color .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.icon-btn:hover{color:var(--ink);border-color:rgba(16,17,19,.28);background:#fff}
.menu-btn{
  display:none;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:transparent;
  padding:0;cursor:pointer;transition:border-color .3s var(--ease)
}
.menu-btn span{display:block;width:16px;height:1.6px;background:var(--ink);border-radius:2px;margin:3px auto;transition:transform .3s var(--ease),opacity .3s var(--ease),background .3s var(--ease)}
.menu-btn.open span:nth-child(1){transform:translateY(4.6px) rotate(45deg)}
.menu-btn.open span:nth-child(2){opacity:0}
.menu-btn.open span:nth-child(3){transform:translateY(-4.6px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:999px;font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);box-shadow:0 12px 26px -16px rgba(240,78,30,.9)}
.btn-ghost{border-color:rgba(16,17,19,.2);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--ink);background:rgba(16,17,19,.04)}
.btn-light{border-color:rgba(246,243,238,.4);color:var(--paper);background:transparent}
.btn-light:hover{background:rgba(246,243,238,.12);border-color:var(--paper)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn svg{transition:transform .24s var(--ease)}
.btn:hover svg{transform:translateX(4px)}

/* ---------- 页头 ---------- */
.page-hero{padding:20px 0 0}
.hero-shell{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;min-height:420px;
  display:flex;align-items:flex-end;padding:clamp(28px,4vw,56px);
  background-color:#101113;
  background-image:linear-gradient(135deg,rgba(16,17,19,.9) 0%,rgba(16,17,19,.62) 58%,rgba(15,95,76,.55) 100%),url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
}
.hero-inner{position:relative;z-index:2;max-width:760px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(246,243,238,.62);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:rgba(246,243,238,.62);transition:color .24s var(--ease)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{opacity:.5}
.hero-shell h1{
  color:var(--paper);font-size:clamp(2rem,4.5vw,3.5rem);line-height:1.1;
  font-weight:900;letter-spacing:-.02em;
}
.hero-lead{margin-top:16px;font-size:17px;line-height:1.8;color:rgba(246,243,238,.75);max-width:560px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tags span{
  font-size:12.5px;letter-spacing:.06em;color:rgba(246,243,238,.82);
  border:1px solid rgba(246,243,238,.22);border-radius:999px;padding:6px 14px;
}
.hero-rule{width:64px;height:8px;background:var(--brand);border-radius:999px;margin-top:22px}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--paper-2)}
.section-tight{padding-top:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
  letter-spacing:.14em;color:var(--jade);text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--jade);border-radius:2px}
.section-head{max-width:720px}
.section-head h2{font-size:clamp(1.5rem,2.8vw,2.25rem);line-height:1.2;font-weight:800;letter-spacing:-.01em}
.section-head p{margin-top:16px;color:var(--ink-2);font-size:16px;line-height:1.85}

/* ---------- 左文右图 ---------- */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.split-text p{color:var(--ink-2);font-size:16px;line-height:1.9;margin-top:18px}
.split-text p strong{color:var(--ink);font-weight:600}
.split-media{position:relative;z-index:0}
.split-media::after{
  content:"";position:absolute;top:16px;left:16px;right:-16px;bottom:-16px;
  border:1px solid var(--brand);border-radius:var(--radius-lg);z-index:-1;
}
.split-media img{
  width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:20px;
  background-color:var(--ink);
  box-shadow:var(--shadow);
}
.split-media figcaption{font-size:13px;color:var(--ink-2);margin-top:14px;text-align:center}
.mini-stats{display:flex;gap:36px;margin-top:34px;flex-wrap:wrap}
.mini-stats div strong{display:block;font-family:var(--font-num);font-size:32px;font-weight:800;line-height:1.1;letter-spacing:-.02em}
.mini-stats div span{font-size:12px;letter-spacing:.12em;color:var(--ink-2)}

/* ---------- 要点卡 ---------- */
.point-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:44px}
.point{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:30px;box-shadow:var(--shadow);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.point:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(240,78,30,.35)}
.point .num{font-family:var(--font-num);font-size:44px;font-weight:900;line-height:1;color:rgba(15,95,76,.18);letter-spacing:-.03em}
.point h3{font-size:19px;font-weight:700;margin:16px 0 10px}
.point p{font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(16,17,19,.14)}
.thumb{
  aspect-ratio:4/3;overflow:hidden;background-color:var(--ink);
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 6px,transparent 6px 12px);
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .thumb img{transform:scale(1.04)}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge{
  align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--brand);background:var(--brand-soft);border-radius:6px;padding:4px 10px;
}
.badge.jade{color:var(--jade);background:var(--jade-soft)}
.card-body h3{font-size:18px;font-weight:700;line-height:1.45}
.card-body p{font-size:14.5px;line-height:1.75;color:var(--ink-2)}
.card-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid rgba(16,17,19,.08);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12px;font-family:var(--font-num);letter-spacing:.08em;color:var(--ink-2);
}
.card-meta .go{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-cn);font-weight:600;color:var(--ink);transition:color .24s var(--ease)}
.card-meta .go svg{transition:transform .24s var(--ease)}
.card:hover .card-meta .go{color:var(--brand)}
.card:hover .card-meta .go svg{transform:translateX(4px)}

/* ---------- 深色数据条 ---------- */
.stats-band{
  background:var(--ink);color:var(--paper);border-radius:var(--radius-xl);
  padding:clamp(32px,4.4vw,60px);display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:center;
}
.stats-band h2{font-size:clamp(1.4rem,2.4vw,2rem);font-weight:800;line-height:1.25;letter-spacing:-.01em}
.stats-band p{margin-top:16px;color:rgba(246,243,238,.68);font-size:15.5px;line-height:1.85;max-width:420px}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.stat strong{display:block;font-family:var(--font-num);font-size:clamp(2rem,3vw,3rem);font-weight:900;line-height:1.05;letter-spacing:-.03em;color:var(--paper)}
.stat strong em{font-style:normal;color:var(--amber);font-size:.6em;margin-left:4px}
.stat span{display:block;margin-top:8px;font-size:13px;color:rgba(246,243,238,.62);letter-spacing:.06em}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.badge-row span{
  height:40px;display:inline-flex;align-items:center;padding:0 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);font-size:13px;color:rgba(246,243,238,.82);
}

/* ---------- FAQ ---------- */
.faq-list{margin-top:40px;border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{
  list-style:none;cursor:pointer;padding:24px 0;display:flex;align-items:center;
  justify-content:space-between;gap:20px;font-size:17px;font-weight:600;
  transition:color .24s var(--ease);
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:hover{color:var(--brand)}
.plus{position:relative;width:16px;height:16px;flex:0 0 auto}
.plus::before,.plus::after{content:"";position:absolute;background:var(--ink-2);border-radius:2px;transition:transform .28s var(--ease),background .24s var(--ease)}
.plus::before{top:7px;left:0;width:16px;height:2px}
.plus::after{left:7px;top:0;width:2px;height:16px}
details[open] .plus::before{background:var(--brand)}
details[open] .plus::after{transform:rotate(90deg);background:var(--brand)}
.faq-body{padding:0 0 26px;max-width:820px;color:var(--ink-2);font-size:15.5px;line-height:1.9}

/* ---------- CTA 表单 ---------- */
.cta-band{
  background:var(--card-2);border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:clamp(32px,4.4vw,60px);display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
}
.cta-band h2{font-size:clamp(1.4rem,2.6vw,2.1rem);font-weight:800;line-height:1.25;letter-spacing:-.01em}
.cta-band .cta-note{margin-top:14px;color:var(--ink-2);font-size:15.5px;line-height:1.85;max-width:420px}
.subscribe-form{display:flex;gap:12px;align-items:stretch}
.subscribe-form input{
  flex:1;min-width:0;height:56px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:#fff;padding:0 18px;font-size:15px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.subscribe-form input::placeholder{color:#9A9C9E}
.subscribe-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(240,78,30,.18)}
.subscribe-form .btn{height:56px}
.form-msg{margin-top:14px;font-size:13px;color:var(--ink-2);min-height:20px}
.form-msg.ok{color:var(--jade)}

/* ---------- 分类跳转 ---------- */
.jump-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:40px}
.jump{
  display:block;background:var(--ink);color:var(--paper);border-radius:var(--radius-lg);
  padding:34px;box-shadow:var(--shadow);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease);
}
.jump:hover{transform:translateY(-4px);background:#1A1C1F;box-shadow:var(--shadow-hover)}
.jump .j-tag{font-size:12px;letter-spacing:.14em;color:rgba(246,243,238,.5)}
.jump h3{margin:14px 0 10px;font-size:22px;font-weight:800;letter-spacing:-.01em}
.jump p{font-size:14.5px;line-height:1.8;color:rgba(246,243,238,.68);max-width:420px}
.jump .j-go{display:inline-flex;align-items:center;gap:8px;margin-top:22px;font-size:14px;font-weight:600;color:var(--brand)}
.jump .j-go svg{transition:transform .24s var(--ease)}
.jump:hover .j-go svg{transform:translateX(4px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--paper);margin-top:100px;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand .dock-logo{color:var(--paper)}
.footer-brand .logo-mark::after{background:var(--ink)}
.footer-brand p{margin:18px 0 12px;max-width:320px;font-size:14.5px;line-height:1.8;color:rgba(246,243,238,.68)}
.footer-brand .contact{font-size:13px;color:rgba(246,243,238,.55)}
.footer-col h4{margin:0 0 16px;font-size:13px;font-weight:600;letter-spacing:.1em;color:rgba(246,243,238,.92)}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:rgba(246,243,238,.7);transition:color .24s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  margin-top:56px;padding:24px 0;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:rgba(246,243,238,.55);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:6px 18px}
.footer-bottom nav a{transition:color .24s var(--ease)}
.footer-bottom nav a:hover{color:var(--brand)}

/* ---------- 进入视口动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .split{gap:44px}
}
@media (max-width:1024px){
  .section{padding:80px 0}
  .split{grid-template-columns:1fr;gap:36px}
  .split-media{max-width:520px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .stats-band{grid-template-columns:1fr;gap:34px}
  .cta-band{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .dock-wrap{top:0;padding:0 12px}
  .dock{
    border-radius:18px;padding:8px 10px 8px 16px;
    -webkit-backdrop-filter:none;backdrop-filter:none;background:rgba(246,243,238,.96);
  }
  .dock.shrink{padding:8px 10px 8px 16px}
  .dock-links{
    position:fixed;inset:0;z-index:1;margin:0;
    display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:4px;
    padding:96px 28px 40px;background:var(--ink);
    opacity:0;visibility:hidden;
    transition:opacity .3s var(--ease),visibility .3s var(--ease);
  }
  .dock-links.open{opacity:1;visibility:visible}
  .dock-links li{opacity:0;transform:translateY(10px);transition:opacity .36s var(--ease),transform .36s var(--ease)}
  .dock-links.open li{opacity:1;transform:none}
  .dock-links.open li:nth-child(1){transition-delay:.05s}
  .dock-links.open li:nth-child(2){transition-delay:.1s}
  .dock-links.open li:nth-child(3){transition-delay:.15s}
  .dock-links.open li:nth-child(4){transition-delay:.2s}
  .dock-links a{padding:12px 0;font-size:20px;font-weight:600;color:rgba(246,243,238,.85)}
  .dock-links a:hover{background:none;color:var(--paper)}
  .dock-links a.active{background:none;color:var(--brand)}
  .dock-logo,.dock-actions{position:relative;z-index:2}
  .dock-actions{margin-left:auto}
  .menu-btn{display:block}
  .icon-btn{display:none}
  .dock.menu-open{background:transparent;border-color:transparent;box-shadow:none}
  .dock.menu-open .logo-text{color:var(--paper)}
  .dock.menu-open .logo-mark::after{background:var(--ink)}
  .dock.menu-open .menu-btn{border-color:rgba(246,243,238,.3)}
  .dock.menu-open .menu-btn span{background:var(--paper)}

  .section{padding:64px 0}
  .page-hero{padding:14px 0 0}
  .hero-shell{min-height:380px;border-radius:24px}
  .point-grid{grid-template-columns:1fr;gap:16px}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:22px}
  .jump-grid{grid-template-columns:1fr}
  .split-media{max-width:100%}
  .split-media::after{right:-12px;bottom:-12px;top:12px;left:12px}
  .subscribe-form{flex-direction:column}
  .subscribe-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .site-footer{margin-top:72px;padding-top:56px}
}
@media (max-width:520px){
  .dock-logo .logo-text{font-size:16px}
  .footer-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .mini-stats{gap:24px}
  .hero-shell{min-height:340px}
  .point{padding:24px}
  .jump{padding:26px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --paper:#F6F3EE;
  --paper-2:#EFEBE4;
  --ink:#101113;
  --ink-2:#4A4E52;
  --brand:#F04E1E;
  --brand-deep:#C63A12;
  --brand-soft:#FFEDE4;
  --jade:#0F5F4C;
  --jade-soft:#E4F0EB;
  --amber:#F2B33D;
  --line:#E3DED6;
  --card:#FFFDFA;
  --radius-xl:28px;
  --radius-lg:24px;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 8px 24px -14px rgba(16,17,19,.18);
  --shadow-hover:0 18px 40px -18px rgba(16,17,19,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
::selection{background:var(--brand);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:sticky;top:20px;z-index:90;padding:0 24px}
.dock{
  max-width:1120px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:14px;
  padding:10px 12px 10px 20px;
  border-radius:999px;
  background:rgba(246,243,238,.82);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(16,17,19,.08);
  box-shadow:0 8px 24px -18px rgba(16,17,19,.28);
  transition:padding .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease);
}
.dock.shrink{padding:7px 10px 7px 16px;box-shadow:0 12px 30px -20px rgba(16,17,19,.38);background:rgba(246,243,238,.94)}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:24px;height:24px;border-radius:8px;background:var(--brand);display:inline-block;position:relative;flex:0 0 auto}
.logo-mark::after{content:"";position:absolute;inset:7px;border-radius:2px;background:var(--paper)}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.dock-links{display:flex;align-items:center;gap:4px;margin:0 auto}
.dock-links a{
  display:inline-block;
  padding:9px 15px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--ink-2);
  transition:color .24s var(--ease),background .24s var(--ease);
}
.dock-links a:hover{color:var(--ink);background:rgba(16,17,19,.05)}
.dock-links a.active{color:var(--brand);background:var(--brand-soft);font-weight:600}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:transparent;cursor:pointer;
  color:var(--ink-2);
  transition:color .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft)}
.menu-btn{display:none;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:transparent;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.menu-btn span{display:block;width:16px;height:1.6px;background:var(--ink);border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease)}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(5.6px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:999px;
  font-size:15.5px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease),transform .28s var(--ease);
}
.btn svg{transition:transform .28s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--brand);color:#FFF8F4}
.btn-primary:hover{background:var(--brand-deep)}
.btn-ghost{background:transparent;color:var(--paper);border-color:rgba(246,243,238,.55)}
.btn-ghost:hover{border-color:var(--paper);background:rgba(246,243,238,.1)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{border-color:var(--ink)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ---------- 页头 Hero ---------- */
.page-hero{
  position:relative;
  max-width:1200px;
  margin:26px auto 0;
  border-radius:var(--radius-xl);
  overflow:hidden;
  min-height:540px;
  display:flex;
  align-items:flex-end;
  background-color:var(--ink);
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,17,19,.74) 0%,rgba(16,17,19,.58) 42%,rgba(16,17,19,.9) 100%);
}
.hero-inner{position:relative;z-index:1;width:100%;padding:56px 52px 52px;color:var(--paper)}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(246,243,238,.68);margin-bottom:20px}
.crumb a{transition:color .24s var(--ease)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:rgba(246,243,238,.35)}
.page-title{max-width:860px}
.page-title .t-1{
  display:block;
  font-size:clamp(2rem,4.5vw,3.5rem);
  font-weight:900;
  line-height:1.1;
  letter-spacing:-.02em;
}
.page-title .t-2{
  display:block;
  margin-top:16px;
  font-size:16.5px;
  font-weight:400;
  line-height:1.75;
  color:rgba(246,243,238,.76);
  max-width:520px;
}
.hero-rule{width:64px;height:8px;background:var(--brand);border-radius:2px;margin:24px 0 0}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-metrics{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;margin-top:44px;padding-top:28px;
  border-top:1px solid rgba(246,243,238,.18);
}
.hero-metrics .num{font-family:var(--font-num);font-size:30px;font-weight:800;line-height:1.2;letter-spacing:-.01em}
.hero-metrics .lbl{font-size:12px;letter-spacing:.12em;color:rgba(246,243,238,.62);margin-top:4px}

/* ---------- 板块 ---------- */
.section{padding:100px 0}
.section.tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:44px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;
  margin-bottom:14px;
}
.kicker::before{content:"";width:18px;height:2px;background:var(--brand);display:inline-block}
.section-head h2{
  font-size:clamp(1.5rem,2.8vw,2.25rem);
  font-weight:800;line-height:1.2;letter-spacing:-.01em;
}
.section-head p{margin-top:16px;color:var(--ink-2);font-size:16px;line-height:1.85}
.section-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}

.prose{max-width:820px}
.prose p{font-size:16.5px;line-height:1.9;color:var(--ink-2);margin-bottom:1.5em}
.prose p:last-child{margin-bottom:0}
.prose strong{color:var(--ink);font-weight:700}

/* ---------- 三列窄卡 ---------- */
.narrow-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.narrow-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px 24px;
  box-shadow:var(--shadow);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.narrow-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(240,78,30,.35)}
.narrow-card .idx{font-family:var(--font-num);font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--brand)}
.narrow-card h3{margin-top:14px;font-size:19px;font-weight:700}
.narrow-card p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.narrow-card .tagline{
  display:inline-block;margin-top:18px;
  font-size:12px;letter-spacing:.06em;
  color:var(--jade);background:var(--jade-soft);
  padding:4px 10px;border-radius:6px;
}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.flow-step{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:16px;
  padding:24px 20px;
  transition:transform .28s var(--ease),background .28s var(--ease);
}
.flow-step:hover{transform:translateY(-4px);background:#fff}
.flow-step .step-num{
  font-family:var(--font-num);font-size:22px;font-weight:800;
  color:rgba(15,95,76,.35);letter-spacing:-.01em;
}
.flow-step h3{margin-top:12px;font-size:16px;font-weight:700}
.flow-step p{margin-top:8px;font-size:13.5px;line-height:1.75;color:var(--ink-2)}

/* ---------- 封面卡 ---------- */
.cover-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.cover-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.cover-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.cover-card .thumb{position:relative;background:var(--ink)}
.cover-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.cover-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.cover-card h3{font-size:17.5px;font-weight:700;line-height:1.45}
.cover-card p{font-size:14.5px;line-height:1.78;color:var(--ink-2)}
.cover-card .meta{
  margin-top:auto;padding-top:14px;border-top:1px solid rgba(16,17,19,.08);
  font-size:12px;letter-spacing:.1em;color:var(--ink-2);
  font-family:var(--font-num);
}
.badge{
  display:inline-block;
  font-size:12px;padding:4px 10px;border-radius:6px;
  background:var(--brand-soft);color:var(--brand);font-weight:600;
}
.badge-jade{background:var(--jade-soft);color:var(--jade)}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
  padding:40px 36px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
}
.stat-strip .stat .num{
  font-family:var(--font-num);font-size:32px;font-weight:800;
  line-height:1.15;color:var(--jade);letter-spacing:-.01em;
}
.stat-strip .stat .num small{font-size:15px;font-weight:600;margin-left:4px;color:var(--ink-2)}
.stat-strip .stat .lbl{font-size:12px;letter-spacing:.12em;color:var(--ink-2);margin-top:6px}
.stat-strip .stat p{font-size:13.5px;color:var(--ink-2);margin-top:8px;line-height:1.7}

/* ---------- 订阅 ---------- */
.cta-band{
  display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:48px 44px;
}
.cta-band h2{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:800;line-height:1.25}
.cta-band p{margin-top:14px;font-size:15.5px;color:var(--ink-2);line-height:1.8}
.sub-form{display:flex;gap:12px}
.sub-form input{
  flex:1;min-width:0;height:56px;padding:0 18px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:#fff;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.sub-form input::placeholder{color:#9A968E}
.sub-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(240,78,30,.18)}
.form-note{margin-top:12px;font-size:13px;color:var(--ink-2)}
.form-note.ok{color:var(--jade);font-weight:600}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto}
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  font-size:17px;font-weight:600;line-height:1.6;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";
  font-family:var(--font-num);font-size:22px;font-weight:600;line-height:1;
  color:var(--brand);flex:0 0 auto;
  transition:transform .24s var(--ease);
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin-top:12px;font-size:15.5px;line-height:1.85;color:var(--ink-2);max-width:760px}

/* ---------- 分类跳转双卡 ---------- */
.next-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.next-card{
  display:flex;flex-direction:column;gap:14px;
  background:var(--ink);color:var(--paper);
  border-radius:var(--radius-lg);
  padding:44px 40px;
  position:relative;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.next-card::after{
  content:"";position:absolute;right:-60px;bottom:-60px;
  width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,78,30,.5) 0%,rgba(240,78,30,0) 70%);
  opacity:.7;pointer-events:none;
}
.next-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.next-card .kicker{color:rgba(246,243,238,.6);margin-bottom:0}
.next-card .kicker::before{background:var(--brand)}
.next-card h3{font-size:clamp(1.3rem,2.2vw,1.65rem);font-weight:800;line-height:1.3}
.next-card p{font-size:15px;line-height:1.8;color:rgba(246,243,238,.72)}
.next-card .go{
  margin-top:auto;padding-top:20px;
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--brand);
}
.next-card .go svg{transition:transform .28s var(--ease)}
.next-card:hover .go svg{transform:translateX(4px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--paper);margin-top:110px;padding:76px 0 34px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand .dock-logo{margin-bottom:18px}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(246,243,238,.62);max-width:340px}
.footer-brand .contact{margin-top:16px;font-size:13.5px;color:rgba(246,243,238,.5);font-family:var(--font-num);letter-spacing:.04em}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.1em;color:rgba(246,243,238,.5);margin-bottom:18px}
.footer-col a{display:block;font-size:14px;line-height:1.6;padding:6px 0;color:rgba(246,243,238,.72);transition:color .24s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:56px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(246,243,238,.5);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom nav a{transition:color .24s var(--ease)}
.footer-bottom nav a:hover{color:var(--brand)}

/* ---------- 抽屉菜单 ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:var(--ink);color:var(--paper);
  padding:28px 24px 40px;
  display:flex;flex-direction:column;gap:4px;
  transform:translateY(-102%);
  transition:transform .42s var(--ease);
  overflow-y:auto;
}
.drawer.open{transform:translateY(0)}
.drawer .drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer .dock-logo{color:var(--paper)}
.drawer-close{
  width:42px;height:42px;border-radius:999px;
  border:1px solid rgba(255,255,255,.2);background:transparent;color:var(--paper);
  cursor:pointer;font-size:18px;line-height:1;
}
.drawer a.d-link{
  font-size:20px;font-weight:600;padding:16px 0;
  border-bottom:1px solid rgba(255,255,255,.08);
  opacity:0;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.drawer.open a.d-link{opacity:1;transform:none}
.drawer.open a.d-link:nth-of-type(1){transition-delay:.06s}
.drawer.open a.d-link:nth-of-type(2){transition-delay:.1s}
.drawer.open a.d-link:nth-of-type(3){transition-delay:.14s}
.drawer.open a.d-link:nth-of-type(4){transition-delay:.18s}
.drawer .drawer-cta{margin-top:28px}

/* ---------- 出场动画 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .page-hero{max-width:none;margin:20px 24px 0}
  .flow{grid-template-columns:repeat(3,minmax(0,1fr))}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1024px){
  .narrow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cover-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:1fr;padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:768px){
  .dock-wrap{top:12px;padding:0 18px}
  .dock{border-radius:18px;padding:9px 12px 9px 16px}
  .dock-links{display:none}
  .menu-btn{display:inline-flex}
  .dock-actions .btn-sm{display:none}
  .page-hero{min-height:440px;border-radius:22px;margin:16px 18px 0}
  .hero-inner{padding:36px 24px 34px}
  .hero-metrics{grid-template-columns:1fr;gap:16px}
  .hero-metrics .num{font-size:24px}
  .section{padding:64px 0}
  .section-head{margin-bottom:32px}
  .narrow-grid,.cover-grid,.flow,.next-grid{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr;padding:32px 24px;gap:20px}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
  .container{padding:0 18px}
  .next-card{padding:34px 26px}
  .site-footer{margin-top:72px;padding:56px 0 28px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  body{font-size:15.5px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cta-band{padding:30px 22px}
  .section{padding:56px 0}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --paper:#F6F3EE;
  --paper-2:#EFEBE4;
  --ink:#101113;
  --ink-2:#4A4E52;
  --brand:#F04E1E;
  --brand-deep:#C63A12;
  --brand-soft:#FFEDE4;
  --jade:#0F5F4C;
  --jade-soft:#E4F0EB;
  --line:#E3DED6;
  --amber:#F2B33D;
  --card:#FFFDFA;
  --shadow:0 8px 24px -14px rgba(16,17,19,.18);
  --shadow-lg:0 18px 40px -18px rgba(16,17,19,.28);
  --radius-lg:28px;
  --radius:18px;
  --radius-sm:12px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.2}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:110px 0}
.section-tight{padding:76px 0}

/* ---------- Dock nav ---------- */
.dock-wrap{
  position:sticky;top:20px;z-index:90;
  padding:0 18px;
}
.dock{
  max-width:1120px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 20px;
  border-radius:999px;
  background:rgba(246,243,238,.82);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(16,17,19,.08);
  transition:padding .32s var(--ease),box-shadow .32s var(--ease);
}
.dock.is-scrolled{padding:6px 10px 6px 16px;box-shadow:var(--shadow)}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:24px;height:24px;border-radius:8px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;inset:7px;border-radius:3px;
  background:rgba(246,243,238,.9);
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.dock-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.dock-links a{
  position:relative;display:inline-block;
  padding:8px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:color .26s var(--ease),background .26s var(--ease);
}
.dock-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.dock-links a:hover{color:var(--ink)}
.dock-links a:hover::after{transform:scaleX(1)}
.dock-links a.active{color:var(--brand-deep);background:var(--brand-soft)}
.dock-links a.active::after{transform:scaleX(1)}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;border-radius:999px;
  border:1px solid var(--line);background:transparent;
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;color:var(--ink-2);
  transition:border-color .26s var(--ease),color .26s var(--ease),background .26s var(--ease);
}
.icon-btn:hover{border-color:var(--ink);color:var(--ink);background:#fff}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease),transform .28s var(--ease);
}
.btn svg{transition:transform .28s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--brand);color:#F6F3EE}
.btn-primary:hover{background:var(--brand-deep)}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:var(--paper)}
.btn-outline-light{border-color:rgba(246,243,238,.5);color:var(--paper);background:transparent}
.btn-outline-light:hover{background:rgba(246,243,238,.12);border-color:var(--paper)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-ghost{padding:0;height:auto;background:none;border:0;color:var(--brand-deep);font-weight:600}
.menu-btn{
  display:none;width:42px;height:42px;border-radius:999px;
  border:1px solid var(--line);background:transparent;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.menu-btn span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s var(--ease),opacity .3s var(--ease)}
.menu-btn.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-btn.is-open span:nth-child(2){opacity:0}
.menu-btn.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:var(--ink);color:var(--paper);
  display:flex;flex-direction:column;justify-content:center;gap:6px;
  padding:96px 32px 48px;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer a{
  font-size:20px;font-weight:600;padding:14px 0;
  border-bottom:1px solid rgba(246,243,238,.12);
  opacity:0;transform:translateY(8px);
}
.drawer.is-open a{animation:drawerIn .4s var(--ease) forwards}
.drawer.is-open a:nth-child(1){animation-delay:.04s}
.drawer.is-open a:nth-child(2){animation-delay:.08s}
.drawer.is-open a:nth-child(3){animation-delay:.12s}
.drawer.is-open a:nth-child(4){animation-delay:.16s}
.drawer a.active{color:var(--brand)}
@keyframes drawerIn{to{opacity:1;transform:translateY(0)}}
.drawer-close{
  position:absolute;top:24px;right:24px;
  width:42px;height:42px;border-radius:999px;border:1px solid rgba(246,243,238,.24);
  background:transparent;color:var(--paper);cursor:pointer;font-size:18px;
}

/* ---------- Page head ---------- */
.page-head{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  max-width:1200px;margin:36px auto 0;
  min-height:min(58vh,460px);
  display:flex;align-items:flex-end;
  padding:56px;
  background-color:var(--ink);
  background-image:linear-gradient(180deg,rgba(16,17,19,.62) 0%,rgba(16,17,19,.86) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:var(--paper);
}
.page-head-inner{max-width:740px;position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(246,243,238,.66);margin-bottom:22px}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span.sep{opacity:.5}
.page-head h1{
  font-size:clamp(2rem,4.5vw,3.5rem);
  font-weight:900;line-height:1.1;letter-spacing:-.02em;
}
.page-head .lead{
  margin-top:18px;font-size:16px;line-height:1.8;max-width:44ch;
  color:rgba(246,243,238,.78);
}
.page-head .rule-line{
  width:64px;height:8px;background:var(--brand);border-radius:999px;margin:22px 0 0;
}

/* ---------- Shared bits ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--jade);background:var(--jade-soft);
  padding:6px 14px;border-radius:999px;
}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:52px;flex-wrap:wrap}
.section-head h2{font-size:clamp(1.5rem,2.8vw,2.25rem);font-weight:800;letter-spacing:-.01em;max-width:22ch}
.section-head p{color:var(--ink-2);font-size:16px;max-width:52ch;margin-top:14px}
.link-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand-deep);
}
.link-more svg{transition:transform .28s var(--ease)}
.link-more:hover svg{transform:translateX(4px)}

/* ---------- Intro ---------- */
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start}
.prose p{color:var(--ink-2);font-size:16.5px;line-height:1.9}
.prose p + p{margin-top:1.4em}
.prose strong{color:var(--ink);font-weight:700}
.intro-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);
}
.intro-card img{border-radius:14px;aspect-ratio:4/3;object-fit:cover;width:100%}
.intro-card h3{font-size:19px;font-weight:700;margin-top:22px}
.intro-card p{font-size:14.5px;color:var(--ink-2);margin-top:10px}
.mini-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:24px;border-top:1px solid var(--line);padding-top:22px}
.mini-stats b{display:block;font-family:var(--font-num);font-size:26px;font-weight:900;letter-spacing:-.02em}
.mini-stats span{font-size:12px;letter-spacing:.1em;color:var(--ink-2)}

/* ---------- Timeline ---------- */
.timeline-band{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.timeline{border-top:1px solid var(--line);counter-reset:tl}
.tl-item{
  display:grid;grid-template-columns:108px minmax(0,1fr) 264px;gap:36px;align-items:start;
  padding:34px 0;border-bottom:1px solid var(--line);
  transition:background .3s var(--ease);
}
.tl-item:hover{background:rgba(255,253,250,.7)}
.tl-num{
  font-family:var(--font-num);font-size:44px;font-weight:900;line-height:1;
  color:rgba(15,95,76,.24);letter-spacing:-.03em;
}
.tl-body h3{font-size:20px;font-weight:800;letter-spacing:-.01em}
.tl-body p{margin-top:10px;color:var(--ink-2);font-size:15.5px;line-height:1.85;max-width:62ch}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:5px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);
}
.tag-jade{background:var(--jade-soft);color:var(--jade)}
.tl-meta{
  border-left:1px solid var(--line);padding-left:24px;
  font-size:13.5px;color:var(--ink-2);line-height:1.8;
}
.tl-meta b{display:block;font-family:var(--font-num);font-size:15px;font-weight:800;color:var(--ink);letter-spacing:.02em;margin-bottom:4px}
.tl-meta div + div{margin-top:16px}

/* ---------- Rules detail rows ---------- */
.rule-rows{display:grid;gap:20px}
.rule-row{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 28px;box-shadow:var(--shadow);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.rule-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.rule-row h3{font-size:19px;font-weight:800}
.rule-row p{margin-top:10px;font-size:15px;color:var(--ink-2);line-height:1.85}
.rule-row .kv{display:flex;gap:18px;flex-wrap:wrap;margin-top:16px}
.rule-row .kv span{font-size:12.5px;letter-spacing:.06em;color:var(--jade);background:var(--jade-soft);padding:4px 10px;border-radius:6px}
.rule-row img{border-radius:14px;aspect-ratio:16/10;object-fit:cover;width:100%}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);max-width:880px}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{
  list-style:none;cursor:pointer;padding:22px 44px 22px 0;position:relative;
  font-size:17px;font-weight:600;transition:color .26s var(--ease);
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
  content:"";position:absolute;right:8px;top:50%;width:14px;height:14px;
  transform:translateY(-50%);
  background:
    linear-gradient(var(--ink),var(--ink)) center/14px 2px no-repeat,
    linear-gradient(var(--ink),var(--ink)) center/2px 14px no-repeat;
  transition:transform .3s var(--ease);
}
.faq-list details[open] summary{color:var(--brand-deep)}
.faq-list details[open] summary::after{transform:translateY(-50%) rotate(90deg)}
.faq-list .faq-body{padding:0 24px 24px 0;color:var(--ink-2);font-size:15.5px;line-height:1.85;max-width:70ch}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink);color:var(--paper);border-radius:var(--radius-lg);overflow:hidden;margin:0 auto;max-width:1200px}
.cta-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:64px 56px}
.cta-inner h2{font-size:clamp(1.6rem,3vw,2.35rem);font-weight:900;letter-spacing:-.02em;line-height:1.15}
.cta-inner p{margin-top:16px;color:rgba(246,243,238,.72);font-size:16px;max-width:46ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.cta-side{background:rgba(246,243,238,.05);border:1px solid rgba(246,243,238,.14);border-radius:var(--radius);padding:28px}
.cta-side h3{font-size:17px;font-weight:700}
.cta-side ul{margin-top:18px;display:grid;gap:14px}
.cta-side li{display:flex;gap:12px;font-size:14.5px;color:rgba(246,243,238,.78)}
.cta-side li .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);flex:0 0 auto;margin-top:8px}

/* ---------- Cross links ---------- */
.cross{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.cross-card{
  display:block;background:var(--ink);color:var(--paper);
  border-radius:var(--radius);padding:34px 32px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
  box-shadow:var(--shadow);
}
.cross-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.cross-card .kicker{font-size:12px;letter-spacing:.14em;color:rgba(246,243,238,.55)}
.cross-card h3{font-size:22px;font-weight:800;margin-top:12px}
.cross-card p{margin-top:12px;font-size:14.5px;color:rgba(246,243,238,.7);line-height:1.8}
.cross-card .go{display:inline-flex;align-items:center;gap:8px;margin-top:22px;font-size:14px;font-weight:600;color:var(--brand)}
.cross-card .go svg{transition:transform .28s var(--ease)}
.cross-card:hover .go svg{transform:translateX(4px)}

/* ---------- Footer ---------- */
.site-footer{margin-top:110px;background:var(--ink);color:var(--paper)}
.footer-top{padding:76px 0 34px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:44px}
.footer-brand .dock-logo{margin-bottom:18px}
.footer-brand .logo-text{color:var(--paper)}
.footer-brand p{font-size:14.5px;color:rgba(246,243,238,.68);max-width:34ch;line-height:1.85}
.footer-brand .contact{margin-top:16px;font-size:13.5px;color:rgba(246,243,238,.55);letter-spacing:.04em}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.1em;color:rgba(246,243,238,.55);margin-bottom:18px}
.footer-col a{display:block;font-size:14px;color:rgba(246,243,238,.7);padding:6px 0;transition:color .26s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);margin-top:44px;padding:24px 0 34px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:rgba(246,243,238,.55);
}
.footer-bottom nav{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom nav a:hover{color:var(--brand)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1200px){
  .dock-wrap{padding:0 14px}
  .tl-item{grid-template-columns:80px minmax(0,1fr);gap:24px}
  .tl-meta{grid-column:2;border-left:0;border-top:1px solid var(--line);padding:18px 0 0;display:flex;gap:36px;flex-wrap:wrap}
  .tl-meta div + div{margin-top:0}
  .rule-row{grid-template-columns:1fr;gap:20px}
  .rule-row img{aspect-ratio:21/9}
}
@media (max-width:1024px){
  .dock-links{display:none}
  .menu-btn{display:flex}
  .intro-grid{grid-template-columns:1fr;gap:36px}
  .cta-inner{grid-template-columns:1fr;padding:52px 40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .section{padding:88px 0}
  .page-head{margin:28px 24px 0;padding:40px}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .dock-wrap{top:12px;padding:0 12px}
  .dock{border-radius:18px;padding:8px 10px 8px 14px}
  .logo-text{font-size:16px}
  .dock-actions .btn{display:none}
  .page-head{margin:18px 18px 0;padding:28px 22px;min-height:auto;border-radius:20px}
  .container{padding:0 18px}
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
  .section-head{margin-bottom:34px}
  .tl-item{grid-template-columns:1fr;gap:14px;padding:26px 0}
  .tl-num{font-size:34px}
  .tl-meta{grid-column:1;flex-direction:column;gap:14px}
  .cross{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:8px}
  .footer-col{border-top:1px solid rgba(255,255,255,.08);padding:14px 0}
  .footer-col h4{margin-bottom:6px}
  .site-footer{margin-top:72px}
  .footer-top{padding:56px 0 24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-inner{padding:40px 24px}
}
@media (max-width:520px){
  .page-head h1{font-size:1.85rem}
  .cta-actions .btn{width:100%}
  .tl-meta{font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}