/* roulang page: index */
:root{
  --ink-900:#14181B;
  --ink-700:#2A3033;
  --bamboo-700:#245A44;
  --bamboo-600:#2F6E52;
  --bamboo-300:#9CC0AC;
  --bamboo-050:#E4EDE6;
  --paper:#F7F4EC;
  --paper-soft:#FFFDF8;
  --clay:#C2553A;
  --line:#E3DDCF;
  --text-2:#5C6461;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(20,24,27,.05);
  --shadow-2:0 10px 28px -12px rgba(20,24,27,.18);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-700);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  color:var(--ink-900);
  margin:0;
  line-height:1.25;
}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;height:auto;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--bamboo-600);outline-offset:3px;border-radius:4px;}

/* ---------- 布局骨架 ---------- */
.layout{display:flex;align-items:flex-start;min-height:100vh;}
.content{flex:1 1 auto;min-width:0;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 40px;}

/* ---------- 左侧竖导航 ---------- */
.sidebar{
  flex:0 0 244px;width:244px;
  position:sticky;top:0;
  height:100vh;
  background:var(--paper);
  border-right:1px solid var(--line);
  padding:28px 20px 24px;
  display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;z-index:70;
}
.brand{display:flex;align-items:flex-start;gap:12px;}
.logo-mark{width:34px;height:34px;color:var(--bamboo-700);flex:0 0 34px;}
.brand-text{display:flex;flex-direction:column;gap:2px;}
.brand-name{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:16px;font-weight:700;color:var(--ink-900);letter-spacing:.01em;line-height:1.3;
}
.brand-sub{font-size:12px;color:var(--text-2);letter-spacing:.06em;}
.side-rule{height:1px;background:var(--line);}
.nav{display:flex;flex-direction:column;gap:4px;}
.nav-label{font-size:12px;color:var(--text-2);letter-spacing:.14em;margin-bottom:6px;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:8px;
  font-size:15px;color:var(--ink-700);
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:0;background:var(--clay);border-radius:2px;
  transition:height .2s var(--ease);
}
.nav-item:hover{background:var(--bamboo-050);color:var(--bamboo-700);}
.nav-item:hover::before{height:60%;}
.nav-item .nav-num{
  font-family:Georgia,"Times New Roman",serif;font-size:12px;color:var(--clay);letter-spacing:.08em;flex:0 0 20px;
}
.nav-item .nav-text{flex:1 1 auto;}
.nav-item .nav-arrow{font-size:13px;color:var(--bamboo-300);transition:transform .2s var(--ease);}
.nav-item:hover .nav-arrow{transform:translateX(3px);}
.nav-item.is-active{background:var(--bamboo-050);color:var(--bamboo-700);font-weight:700;}
.nav-item.is-active::before{height:70%;background:var(--clay);}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;}
.pill-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:999px;border:1px solid var(--ink-900);
  background:transparent;color:var(--ink-900);font-size:13px;letter-spacing:.04em;
  cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.pill-btn:hover{background:var(--bamboo-050);transform:translateY(-1px);}
.side-note{font-size:13px;color:var(--text-2);line-height:1.7;}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:62px;z-index:90;
  background:rgba(247,244,236,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 20px;
}
.topbar .brand-name{font-size:15px;}
.hamburger{
  width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:var(--paper-soft);
  display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;
}
.hamburger span{display:block;width:18px;height:1.6px;background:var(--ink-900);border-radius:2px;}
.scrim{
  display:none;position:fixed;inset:0;background:rgba(20,24,27,.42);z-index:75;
}
.scrim.show{display:block;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;line-height:1.2;cursor:pointer;border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--bamboo-600);color:var(--paper-soft);}
.btn-primary:hover{background:var(--bamboo-700);transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--ink-900);color:var(--ink-900);}
.btn-ghost:hover{background:var(--bamboo-050);}
.btn-light{background:var(--paper-soft);color:var(--ink-900);}
.btn-light:hover{background:var(--bamboo-050);transform:translateY(-1px);}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--bamboo-700);
  position:relative;padding-bottom:2px;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--bamboo-600);
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.link-more:hover::after{transform:scaleX(1);}

/* ---------- 通用板块 ---------- */
.section{padding:48px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-title{
  position:relative;padding-left:16px;font-size:30px;font-weight:700;letter-spacing:-.01em;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.18em;width:4px;height:.9em;background:var(--bamboo-600);border-radius:2px;
}
.section-sub{font-size:14px;color:var(--text-2);max-width:640px;margin-top:10px;}
.eyebrow{
  font-size:13px;letter-spacing:.16em;color:var(--text-2);display:inline-flex;align-items:center;gap:8px;
}
.eyebrow::before{content:"";width:16px;height:1px;background:var(--bamboo-300);}
.badge{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;
  background:var(--bamboo-050);color:var(--bamboo-700);font-size:12px;letter-spacing:.04em;
}

/* ---------- Hero ---------- */
.hero{padding:52px 0 0;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero h1{
  font-size:clamp(34px,4.6vw,64px);line-height:1.1;letter-spacing:-.02em;margin:18px 0 20px;font-weight:700;
}
.hero h1 em{font-style:normal;color:var(--bamboo-700);}
.hero-lead{font-size:18px;color:var(--text-2);max-width:36em;line-height:1.8;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-media{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .3s var(--ease);}
.hero-media:hover img{transform:scale(1.03);}
.hero-anchor{
  position:absolute;right:18px;bottom:18px;width:34px;height:34px;background:var(--clay);border-radius:8px;
  opacity:.92;
}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  margin-top:46px;border-top:1px solid var(--line);padding-top:24px;
}
.hero-stat{padding-right:24px;}
.hero-stat + .hero-stat{border-left:1px solid var(--line);padding-left:24px;}
.hero-stat b{
  display:block;font-family:Georgia,serif;font-size:26px;line-height:1.2;color:var(--ink-900);font-weight:700;
}
.hero-stat span{font-size:13px;color:var(--text-2);}

/* ---------- 封面卡 ---------- */
.cover-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.cover-card{
  background:var(--paper-soft);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  display:flex;flex-direction:column;
}
.cover-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--bamboo-300);}
.cover-card .thumb{overflow:hidden;position:relative;}
.cover-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s var(--ease);}
.cover-card:hover .thumb img{transform:scale(1.04);}
.cover-card .index-tag{
  position:absolute;left:14px;top:14px;background:rgba(20,24,27,.72);color:var(--paper-soft);
  font-family:Georgia,serif;font-size:12px;letter-spacing:.1em;padding:5px 11px;border-radius:999px;
}
.cover-card .body{padding:22px 24px 24px;}
.cover-card h3{font-size:22px;margin-bottom:8px;}
.cover-card p{font-size:14px;color:var(--text-2);line-height:1.8;}
.cover-card .meta{margin-top:14px;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-2);}
.cover-card.wide{grid-column:span 2;}
.cover-card.wide .thumb img{aspect-ratio:21/9;}

/* ---------- 目录卡 ---------- */
.catalog-layout{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
.catalog-list{display:grid;gap:20px;}
.catalog-card{
  background:var(--bamboo-050);border:1px solid var(--line);border-radius:var(--r-card);padding:8px 22px;
}
.catalog-card h3{font-size:18px;padding:16px 0 12px;}
.catalog-row{
  display:flex;align-items:center;gap:12px;padding:13px 0;border-top:1px solid rgba(36,90,68,.14);
  font-size:15px;color:var(--ink-700);transition:transform .2s var(--ease),color .2s var(--ease);
}
.catalog-row:hover{transform:translateX(4px);color:var(--bamboo-700);}
.catalog-row .num{font-family:Georgia,serif;font-size:12px;color:var(--clay);flex:0 0 22px;}
.catalog-row .arrow{margin-left:auto;color:var(--bamboo-300);font-size:13px;}

/* ---------- 最新信息（CMS） ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:var(--paper-soft);
  font-size:13px;color:var(--text-2);transition:all .2s var(--ease);
}
.chip:hover{border-color:var(--bamboo-300);color:var(--bamboo-700);}
.chip.is-active{background:var(--bamboo-700);border-color:var(--bamboo-700);color:var(--paper-soft);}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--paper-soft);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--bamboo-300);}
.news-card h3{font-size:19px;line-height:1.45;}
.news-card p{
  font-size:14px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-2);border-top:1px solid var(--line);padding-top:12px;
}
.news-foot .time{font-family:Georgia,serif;letter-spacing:.04em;}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:64px 24px;text-align:center;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--paper-soft);
}
.empty-state svg{width:34px;height:34px;color:var(--bamboo-300);}
.empty-state p{font-size:15px;color:var(--text-2);}

/* ---------- 精选条目 ---------- */
.feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;}
.feature-card{
  display:grid;grid-template-columns:40% 60%;gap:0;overflow:hidden;
  background:var(--paper-soft);border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--bamboo-300);}
.feature-card .thumb{overflow:hidden;}
.feature-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.feature-card:hover .thumb img{transform:scale(1.04);}
.feature-card .body{padding:22px 24px;display:flex;flex-direction:column;gap:10px;}
.feature-card h3{font-size:19px;line-height:1.4;}
.feature-card p{font-size:14px;color:var(--text-2);line-height:1.8;}
.feature-card .meta{margin-top:auto;display:flex;gap:12px;align-items:center;font-size:13px;color:var(--text-2);}
.feature-col{display:grid;gap:24px;}

/* ---------- 信任数据条 ---------- */
.trust-band{background:var(--bamboo-050);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.trust-cell{padding:34px 26px;border-left:1px solid rgba(36,90,68,.16);}
.trust-cell:first-child{border-left:none;padding-left:0;}
.trust-cell b{display:block;font-family:Georgia,serif;font-size:30px;color:var(--bamboo-700);line-height:1.2;}
.trust-cell span{font-size:13px;color:var(--text-2);display:block;margin-top:4px;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:220px 1fr;gap:48px;align-items:start;}
.faq-side p{font-size:13px;color:var(--text-2);line-height:1.9;margin-top:14px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;background:none;border:none;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink-900);
}
.faq-q .icon{
  position:relative;flex:0 0 18px;width:18px;height:18px;transition:transform .2s var(--ease);
}
.faq-q .icon::before,.faq-q .icon::after{
  content:"";position:absolute;background:var(--bamboo-700);border-radius:2px;
}
.faq-q .icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-q .icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-q .icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a p{font-size:15px;color:var(--text-2);line-height:1.9;padding:0 0 20px;border-left:2px solid var(--bamboo-600);padding-left:16px;margin-left:2px;}
.faq-item.is-open .faq-a{max-height:320px;}

/* ---------- 相关推荐 ---------- */
.rec-scroll{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.rec-card{
  background:var(--paper-soft);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.rec-card:hover{transform:translateY(-3px);border-color:var(--bamboo-300);box-shadow:var(--shadow-2);}
.rec-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.rec-card span{display:block;padding:14px 16px 16px;font-size:14px;line-height:1.6;color:var(--ink-900);}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--ink-900);color:var(--paper);}
.cta-inner{display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center;padding:52px 0;}
.cta-inner h2{color:var(--paper-soft);font-size:26px;}
.cta-inner p{font-size:13px;color:rgba(247,244,236,.66);margin-top:10px;max-width:40em;}
.cta-form{display:flex;gap:12px;margin-top:22px;max-width:520px;}
.cta-form input{
  flex:1 1 auto;height:48px;border-radius:var(--r-btn);border:1px solid rgba(247,244,236,.2);
  background:rgba(255,253,248,.06);color:var(--paper);padding:0 16px;font-size:14px;
}
.cta-form input::placeholder{color:rgba(247,244,236,.45);}
.cta-form input:focus{outline:none;border-color:var(--bamboo-300);box-shadow:0 0 0 3px rgba(156,192,172,.18);}
.cta-buttons{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:var(--paper);border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding:56px 0 40px;
}
.footer-grid h4{color:var(--paper-soft);font-size:15px;margin-bottom:16px;font-family:"Noto Sans SC",sans-serif;font-weight:600;}
.footer-brand{display:flex;gap:12px;align-items:flex-start;}
.footer-brand .logo-mark{color:var(--bamboo-300);}
.footer-brand .brand-name{color:var(--paper-soft);display:block;font-size:16px;}
.footer-brand p{font-size:13px;color:rgba(247,244,236,.6);margin-top:10px;line-height:1.9;max-width:24em;}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.footer-links a{color:rgba(247,244,236,.72);transition:color .2s var(--ease),padding-left .2s var(--ease);}
.footer-links a:hover{color:var(--paper-soft);padding-left:4px;}
.footer-qr{
  width:96px;height:96px;border:1px dashed rgba(247,244,236,.3);border-radius:10px;
  display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(247,244,236,.55);text-align:center;padding:8px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:18px 0 26px;
  font-size:13px;color:rgba(247,244,236,.55);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}

/* ---------- 入场动效 ---------- */
@keyframes rise{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:translateY(0);}}
.rise{animation:rise .5s var(--ease) both;}
.rise-2{animation-delay:.08s;}
.rise-3{animation-delay:.16s;}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  .sidebar{flex-basis:264px;width:264px;}
}
@media (max-width:1279px){
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .rec-scroll{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .layout{display:block;}
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;height:100%;
    width:288px;flex-basis:288px;
    transform:translateX(-100%);
    transition:transform .26s var(--ease);
    background:var(--paper-soft);box-shadow:0 0 40px rgba(20,24,27,.2);
  }
  .sidebar.open{transform:translateX(0);}
  .topbar{display:flex;}
  .content{padding-top:62px;}
  .wrap{padding:0 24px;}
  .hero{padding-top:34px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media img{aspect-ratio:16/9;max-height:300px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:20px;border-top:1px solid var(--line);}
  .hero-stat{padding:0;border-left:none !important;padding-left:0 !important;}
  .cover-grid{grid-template-columns:1fr 1fr;gap:20px;}
  .cover-card.wide{grid-column:span 2;}
  .catalog-layout{grid-template-columns:1fr;gap:28px;}
  .feature-grid{grid-template-columns:1fr;}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .trust-cell{border-left:none;padding:24px 0;}
  .trust-cell:nth-child(2n){padding-left:24px;border-left:1px solid rgba(36,90,68,.16);}
  .faq-layout{grid-template-columns:1fr;gap:24px;}
  .cta-inner{grid-template-columns:1fr;padding:44px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:44px 0 32px;}
}
@media (max-width:767px){
  .news-grid{grid-template-columns:1fr;}
  .cover-grid{grid-template-columns:1fr;}
  .cover-card.wide{grid-column:span 1;}
  .cover-card.wide .thumb img{aspect-ratio:16/10;}
  .feature-card{grid-template-columns:1fr;}
  .feature-card .thumb img{aspect-ratio:16/9;}
  .rec-scroll{grid-template-columns:1fr;}
  .section{padding:36px 0;}
  .section-title{font-size:24px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:519px){
  .wrap{padding:0 20px;}
  .hero h1{font-size:32px;}
  .hero-lead{font-size:16px;}
  .hero-actions .btn{width:100%;justify-content:center;}
  .hero-stats{grid-template-columns:1fr;gap:14px;}
  .cta-form{flex-direction:column;}
  .cta-form .btn{width:100%;justify-content:center;}
  .faq-q{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .cover-card:hover,.news-card:hover,.feature-card:hover,.rec-card:hover,.btn:hover{transform:none !important;}
  .cover-card:hover .thumb img,.feature-card:hover .thumb img,.hero-media:hover img{transform:none !important;}
}

/* roulang page: article */
:root{
  --ink-900:#14181B;
  --ink-700:#2A3033;
  --bamboo-700:#245A44;
  --bamboo-600:#2F6E52;
  --bamboo-300:#9CC0AC;
  --bamboo-050:#E4EDE6;
  --paper:#F7F4EC;
  --paper-soft:#FFFDF8;
  --clay:#C2553A;
  --line:#E3DDCF;
  --text-2:#5C6461;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,24,27,.05);
  --sh-2:0 10px 28px -12px rgba(20,24,27,.18);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-700);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit}
p{margin:0}
ul,ol{margin:0}
::selection{background:var(--bamboo-050);color:var(--bamboo-700)}
:focus-visible{outline:2px solid var(--bamboo-600);outline-offset:3px;border-radius:4px}

/* ---------- 布局骨架 ---------- */
.content{
  margin-left:244px;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
main{flex:1 1 auto}
.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 40px;
}

/* ---------- 侧边导航 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:244px;
  padding:26px 18px 22px;
  background:var(--paper);
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  gap:22px;
  overflow-y:auto;
  z-index:60;
}
.brand{display:flex;align-items:flex-start;gap:10px;padding:0 4px}
.logo-mark{width:32px;height:32px;color:var(--bamboo-700);flex:0 0 auto;margin-top:2px}
.brand-text{min-width:0}
.brand-name{
  display:block;
  font-family:var(--font-serif);
  font-size:15px;
  font-weight:700;
  color:var(--ink-900);
  line-height:1.4;
  letter-spacing:.01em;
}
.brand-sub{display:block;font-size:11px;letter-spacing:.14em;color:var(--text-2);margin-top:4px}

.nav{display:flex;flex-direction:column;gap:2px}
.nav-label{
  font-size:12px;
  letter-spacing:.16em;
  color:var(--text-2);
  padding:0 10px 10px;
}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 10px 10px 14px;
  border-radius:8px;
  font-size:14.5px;
  color:var(--ink-700);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-item::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:2px;height:0;
  background:var(--clay);
  border-radius:2px;
  transition:height .2s var(--ease);
}
.nav-item:hover{background:var(--bamboo-050);color:var(--bamboo-700)}
.nav-item:hover::before{height:60%}
.nav-num{
  font-size:11px;
  font-family:Georgia,"Times New Roman",serif;
  color:var(--text-2);
  letter-spacing:.04em;
  width:18px;
  flex:0 0 auto;
}
.nav-text{flex:1;min-width:0}
.nav-arrow{
  opacity:0;
  transform:translateX(-4px);
  transition:opacity .2s var(--ease),transform .2s var(--ease);
  font-size:12px;
  color:var(--bamboo-600);
}
.nav-item:hover .nav-arrow{opacity:1;transform:none}
.nav-item.is-active{
  background:var(--bamboo-050);
  color:var(--bamboo-700);
  font-weight:700;
}
.nav-item.is-active::before{height:70%}
.nav-item.is-active .nav-num{color:var(--clay)}

.side-cta{
  margin-top:auto;
  padding-top:18px;
  border-top:1px solid var(--line);
}
.side-cta p{
  font-size:12.5px;
  line-height:1.75;
  color:var(--text-2);
  margin-top:10px;
}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--r-btn);
  font-size:14.5px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  line-height:1.4;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--bamboo-600);color:var(--paper-soft)}
.btn-primary:hover{background:var(--bamboo-700);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--ink-900);color:var(--ink-900)}
.btn-ghost:hover{background:var(--bamboo-050);border-color:var(--bamboo-600);color:var(--bamboo-700)}
.pill-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  padding:8px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:transparent;
  font-size:13px;
  color:var(--ink-900);
  cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.pill-btn:hover{background:var(--bamboo-050);border-color:var(--bamboo-300);color:var(--bamboo-700)}
.pill-btn.is-on{background:var(--bamboo-600);border-color:var(--bamboo-600);color:var(--paper-soft)}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  display:none;
  position:sticky;
  top:0;
  z-index:50;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:13px 20px;
  background:rgba(247,244,236,.95);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.m-logo{
  font-family:var(--font-serif);
  font-size:15px;
  font-weight:700;
  color:var(--ink-900);
  letter-spacing:.01em;
}
.m-toggle{
  width:40px;height:40px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:var(--paper-soft);
  display:flex;
  flex-direction:column;
  gap:5px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.m-toggle span{
  display:block;
  width:16px;height:2px;
  background:var(--ink-900);
  border-radius:2px;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.m-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.m-toggle.is-open span:nth-child(2){opacity:0}
.m-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.scrim{
  position:fixed;
  inset:0;
  background:rgba(20,24,27,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .2s var(--ease),visibility .2s var(--ease);
  z-index:55;
}
.scrim.show{opacity:1;visibility:visible}

/* ---------- 文章页主体 ---------- */
.article-wrapper{padding:32px 0 88px}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-2);
}
.breadcrumb a{color:var(--text-2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--bamboo-600)}
.breadcrumb .current{
  color:var(--ink-900);
  max-width:420px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.bc-sep{color:var(--bamboo-300)}

.article-head{
  margin-top:26px;
  padding-bottom:30px;
  border-bottom:1px solid var(--line);
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:999px;
  background:var(--bamboo-050);
  color:var(--bamboo-700);
  font-size:12px;
  letter-spacing:.06em;
}
.article-head h1{
  font-family:var(--font-serif);
  font-size:clamp(28px,3.4vw,44px);
  line-height:1.2;
  letter-spacing:-.01em;
  color:var(--ink-900);
  font-weight:700;
  margin:18px 0 0;
  max-width:860px;
}
.article-lead{
  margin:18px 0 0;
  font-size:17px;
  line-height:1.9;
  color:var(--text-2);
  max-width:720px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:24px;
  font-size:13px;
  color:var(--text-2);
}
.article-meta .dot{color:var(--bamboo-300)}

.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;
  align-items:start;
  margin-top:44px;
}

/* ---------- 富文本正文 ---------- */
.article-body{
  font-size:17px;
  line-height:1.95;
  color:var(--ink-700);
  max-width:760px;
}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  position:relative;
  margin:44px 0 16px;
  padding-left:16px;
  font-family:var(--font-serif);
  font-size:30px;
  line-height:1.34;
  color:var(--ink-900);
  font-weight:700;
  scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.2em;
  width:4px;height:.9em;
  background:var(--bamboo-600);
  border-radius:2px;
}
.article-body h3{
  margin:32px 0 12px;
  font-size:22px;
  line-height:1.5;
  color:var(--ink-900);
  font-weight:600;
  scroll-margin-top:96px;
}
.article-body h4{
  margin:24px 0 10px;
  font-size:18px;
  line-height:1.6;
  color:var(--ink-900);
  font-weight:600;
}
.article-body ul,
.article-body ol{margin:0 0 1.4em;padding-left:1.4em}
.article-body li{margin:.4em 0}
.article-body ul{list-style:none;padding-left:1.2em}
.article-body ul > li{position:relative;padding-left:.4em}
.article-body ul > li::before{
  content:"";
  position:absolute;
  left:-.9em;top:.74em;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--bamboo-600);
}
.article-body ol{list-style:decimal}
.article-body ol > li::marker{color:var(--bamboo-600);font-weight:600}
.article-body blockquote{
  margin:28px 0;
  padding:20px 24px;
  background:var(--bamboo-050);
  border-left:3px solid var(--bamboo-600);
  border-radius:0 10px 10px 0;
  color:var(--ink-700);
  font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img,
.article-body video{
  border-radius:var(--r-img);
  margin:26px 0 10px;
  width:100%;
}
.article-body figure{margin:26px 0}
.article-body figcaption{
  font-size:13px;
  color:var(--text-2);
  text-align:center;
  margin-top:8px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:26px 0;
  font-size:14px;
  line-height:1.7;
}
.article-body th,
.article-body td{
  border:1px solid var(--line);
  padding:10px 12px;
  text-align:left;
  vertical-align:top;
}
.article-body th{
  background:var(--bamboo-050);
  color:var(--ink-900);
  font-weight:600;
}
.article-body code{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:4px;
  padding:1px 6px;
  font-size:.92em;
}
.article-body pre{
  background:var(--ink-900);
  color:var(--paper);
  padding:18px 20px;
  border-radius:12px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
}
.article-body pre code{background:none;border:none;padding:0;color:inherit}
.article-body a{
  color:var(--bamboo-700);
  border-bottom:1px solid var(--bamboo-300);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.article-body a:hover{color:var(--clay);border-color:var(--clay)}
.article-body hr{
  border:none;
  border-top:1px solid var(--line);
  margin:36px 0;
}

/* ---------- 空态 ---------- */
.empty-state{
  padding:56px 24px;
  text-align:center;
  background:var(--paper-soft);
  border:1px dashed var(--line);
  border-radius:var(--r-card);
}
.empty-state svg{
  width:44px;height:44px;
  margin:0 auto 14px;
  color:var(--bamboo-300);
}
.empty-state p{
  font-size:15px;
  color:var(--text-2);
  margin:0 0 20px;
}

/* ---------- 分享条 ---------- */
.share-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-top:48px;
  padding:20px 24px;
  background:var(--bamboo-050);
  border-radius:var(--r-card);
  max-width:760px;
}
.share-bar h3{
  margin:0;
  font-size:16px;
  font-weight:600;
  color:var(--ink-900);
}
.share-actions{display:flex;flex-wrap:wrap;gap:10px}
.share-actions .pill-btn{background:var(--paper-soft);border-color:var(--bamboo-300);color:var(--bamboo-700)}
.share-actions .pill-btn:hover{background:var(--paper);border-color:var(--bamboo-600)}

/* ---------- 侧栏 ---------- */
.article-aside{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.aside-card{
  background:var(--paper-soft);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
}
.aside-card h3{
  margin:0 0 14px;
  font-size:12.5px;
  letter-spacing:.14em;
  color:var(--text-2);
  font-weight:600;
}
.toc-list{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:2px;
  max-height:340px;
  overflow-y:auto;
}
.toc-list a{
  display:block;
  padding:7px 10px;
  font-size:14px;
  line-height:1.6;
  color:var(--ink-700);
  border-left:2px solid transparent;
  border-radius:6px;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.toc-list a:hover{background:var(--bamboo-050);color:var(--bamboo-700)}
.toc-list a.is-current{
  border-left-color:var(--bamboo-600);
  background:var(--bamboo-050);
  color:var(--bamboo-700);
  font-weight:600;
}
.toc-list li.lvl3 a{padding-left:22px;font-size:13px;color:var(--text-2)}
.toc-empty{font-size:13px;color:var(--text-2);line-height:1.7;margin:0;display:none}
.aside-links{display:flex;flex-direction:column;gap:2px}
.aside-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  padding:9px 10px;
  border-radius:8px;
  font-size:14px;
  color:var(--ink-700);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.aside-links a span:last-child{color:var(--bamboo-300);font-size:12px}
.aside-links a:hover{background:var(--bamboo-050);color:var(--bamboo-700)}
.aside-actions{display:flex;flex-wrap:wrap;gap:8px}
.aside-note{font-size:12.5px;color:var(--text-2);line-height:1.7;margin:12px 0 0}

/* ---------- 相关推荐 ---------- */
.related{margin-top:72px}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px;
  margin-bottom:30px;
}
.section-head h2{
  position:relative;
  margin:0;
  padding-left:16px;
  font-family:var(--font-serif);
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  color:var(--ink-900);
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.22em;
  width:4px;height:.9em;
  background:var(--bamboo-600);
  border-radius:2px;
}
.section-head p{
  font-size:14px;
  color:var(--text-2);
  margin:0;
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:28px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--paper-soft);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.card:hover{
  transform:translateY(-3px);
  border-color:var(--bamboo-300);
  box-shadow:var(--sh-2);
}
.card-media{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--bamboo-050);
}
.card-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .2s var(--ease);
}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px 22px 24px}
.card-body h3{
  margin:0 0 8px;
  font-family:var(--font-serif);
  font-size:18px;
  line-height:1.5;
  font-weight:700;
  color:var(--ink-900);
}
.card-body p{
  font-size:14px;
  line-height:1.75;
  color:var(--text-2);
  margin:0;
}
.card-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:16px;
  font-size:13px;
  color:var(--text-2);
}
.card-foot .arrow{color:var(--bamboo-600);transition:transform .2s var(--ease)}
.card:hover .card-foot .arrow{transform:translateX(4px)}

.back-row{margin-top:48px;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);
  color:rgba(247,244,236,.78);
  margin-top:96px;
  padding-top:56px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.site-footer h4{
  margin:0 0 14px;
  font-size:14px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--paper);
}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{
  font-size:14px;
  color:rgba(247,244,236,.72);
  transition:color .2s var(--ease);
}
.footer-links a:hover{color:var(--paper)}
.footer-brand{display:flex;gap:12px;align-items:flex-start}
.footer-brand .logo-mark{color:var(--paper);opacity:.85;margin-top:1px}
.footer-brand .brand-name{
  color:var(--paper);
  font-family:var(--font-serif);
  font-size:16px;
  font-weight:700;
  line-height:1.4;
}
.footer-brand p{
  margin:8px 0 0;
  font-size:13px;
  line-height:1.75;
  color:rgba(247,244,236,.6);
}
.footer-qr{
  width:92px;height:92px;
  border:1px dashed rgba(247,244,236,.32);
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  font-size:12px;
  line-height:1.6;
  color:rgba(247,244,236,.55);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 28px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:rgba(247,244,236,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:36px}
  .related-grid{gap:22px}
}
@media (max-width:1023px){
  .sidebar{
    transform:translateX(-100%);
    transition:transform .2s var(--ease);
    width:min(86vw,324px);
    box-shadow:var(--sh-2);
    top:0;
  }
  .sidebar.open{transform:none}
  .content{margin-left:0}
  .mobile-bar{display:flex}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px}
  .article-aside{position:static}
  .article-body,.article-lead,.share-bar{max-width:none}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .wrap{padding:0 28px}
  .nav-item{padding:12px 10px 12px 14px;font-size:15.5px}
}
@media (max-width:767px){
  .wrap{padding:0 20px}
  .article-wrapper{padding:22px 0 64px}
  .article-body{font-size:16.5px;line-height:1.9}
  .article-body h2{font-size:24px;margin:36px 0 14px}
  .article-body h3{font-size:19px;margin:26px 0 10px}
  .article-head h1{font-size:28px}
  .article-lead{font-size:16px}
  .section-head h2{font-size:24px}
  .related-grid{grid-template-columns:minmax(0,1fr);gap:18px}
  .share-bar{flex-direction:column;align-items:flex-start;padding:18px 20px}
  .site-footer{margin-top:64px;padding-top:44px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
  .breadcrumb .current{max-width:220px}
}
@media (max-width:520px){
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .btn{padding:11px 20px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category1 */
:root{
  --ink-900:#14181B;
  --ink-700:#2A3033;
  --bamboo-700:#245A44;
  --bamboo-600:#2F6E52;
  --bamboo-300:#9CC0AC;
  --bamboo-050:#E4EDE6;
  --paper:#F7F4EC;
  --paper-soft:#FFFDF8;
  --clay:#C2553A;
  --line:#E3DDCF;
  --text-2:#5C6461;
  --shadow-sm:0 1px 2px rgba(20,24,27,.05);
  --shadow-md:0 10px 28px -12px rgba(20,24,27,.18);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
.site-body{
  margin:0;
  background:var(--paper);
  color:var(--ink-700);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  color:var(--ink-900);
  margin:0;
  letter-spacing:-.01em;
}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
:focus-visible{outline:2px solid var(--bamboo-600);outline-offset:3px;border-radius:4px;}

/* ---------- 布局骨架 ---------- */
.layout{display:flex;align-items:flex-start;min-height:100vh;}
.main{flex:1 1 auto;min-width:0;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 40px;}

/* ---------- 侧边导航 ---------- */
.sidebar{
  flex:0 0 244px;
  width:244px;
  position:sticky;
  top:0;
  height:100vh;
  overflow-y:auto;
  padding:28px 20px 24px;
  background:var(--paper-soft);
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  gap:18px;
  z-index:50;
}
.sidebar-brand{display:flex;gap:10px;align-items:flex-start;}
.logo-mark{width:34px;height:34px;flex:none;color:var(--bamboo-700);}
.sidebar-brand .brand-name{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:16px;font-weight:700;color:var(--ink-900);
  line-height:1.4;display:block;letter-spacing:.02em;
}
.sidebar-brand .brand-sub{font-size:12px;color:var(--text-2);letter-spacing:.06em;margin-top:2px;}
.nav{display:flex;flex-direction:column;gap:2px;}
.nav-label{
  font-size:12px;letter-spacing:.12em;color:var(--text-2);
  margin:0 0 6px 10px;
}
.nav-item{
  position:relative;display:flex;align-items:center;gap:8px;
  padding:10px 10px;border-radius:8px;font-size:15px;color:var(--ink-700);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-item::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:2px;
  background:var(--clay);border-radius:2px;
  transform:scaleY(0);transform-origin:top;
  transition:transform .2s var(--ease);
}
.nav-item:hover::before{transform:scaleY(1);}
.nav-num{font-family:Georgia,serif;font-size:12px;color:var(--text-2);min-width:16px;}
.nav-text{flex:1 1 auto;}
.nav-arrow{
  font-size:13px;color:var(--bamboo-600);opacity:0;transform:translateX(-4px);
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.nav-item:hover{background:var(--bamboo-050);color:var(--bamboo-700);}
.nav-item:hover .nav-arrow{opacity:1;transform:none;}
.nav-item.is-active{background:var(--bamboo-050);color:var(--bamboo-700);font-weight:700;}
.nav-item.is-active::before{transform:scaleY(1);}
.nav-item.is-active .nav-num{color:var(--clay);}
.nav-item.is-active .nav-arrow{opacity:1;transform:none;}
.sidebar-foot{margin-top:auto;border-top:1px solid var(--line);padding-top:16px;}
.sidebar-note{font-size:12px;color:var(--text-2);line-height:1.7;margin-top:10px;}

/* ---------- 移动顶栏与抽屉 ---------- */
.mobile-bar{
  display:none;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 20px;background:var(--paper-soft);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:70;
}
.mb-brand{display:flex;align-items:center;gap:8px;font-family:"Noto Serif SC","Songti SC",serif;font-size:15px;font-weight:700;color:var(--ink-900);}
.mb-brand .logo-mark{width:28px;height:28px;}
.mb-toggle{
  width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-900);
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.mb-toggle:hover{background:var(--bamboo-050);border-color:var(--bamboo-300);}
.scrim{
  position:fixed;inset:0;background:rgba(20,24,27,.42);z-index:60;
  opacity:0;pointer-events:none;transition:opacity .25s var(--ease);
}
.scrim.is-on{opacity:1;pointer-events:auto;}

@media (max-width:1023px){
  .mobile-bar{display:flex;}
  .layout{display:block;}
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;height:100vh;width:284px;
    transform:translateX(-102%);transition:transform .28s var(--ease);
    box-shadow:0 20px 40px -20px rgba(20,24,27,.3);
  }
  .sidebar.is-open{transform:none;}
}
@media (min-width:1440px){
  .sidebar{flex-basis:264px;width:264px;}
}
@media (max-width:767px){
  .wrap{padding:0 20px;}
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  font-size:13px;color:var(--text-2);padding-top:32px;
}
.breadcrumb a{transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--bamboo-700);}
.breadcrumb .sep{color:var(--bamboo-300);}
.breadcrumb .current{color:var(--ink-900);}

/* ---------- Hero ---------- */
.hero{padding:26px 0 56px;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.eyebrow{
  display:flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.12em;color:var(--bamboo-700);
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--bamboo-600);}
.hero h1{font-size:44px;line-height:1.15;margin-top:14px;font-weight:700;}
.h1-sub{
  display:block;margin-top:12px;font-family:"Noto Sans SC","PingFang SC",sans-serif;
  font-size:14px;font-weight:500;letter-spacing:.08em;color:var(--text-2);
}
.hero-lead{font-size:16px;line-height:1.9;color:var(--ink-700);margin-top:18px;max-width:640px;}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
.badge{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  background:var(--bamboo-050);color:var(--bamboo-700);font-size:12px;letter-spacing:.04em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/11;box-shadow:var(--shadow-sm);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.media-tag{
  position:absolute;left:16px;bottom:16px;padding:6px 12px;border-radius:999px;
  background:rgba(20,24,27,.72);color:var(--paper);font-size:12px;letter-spacing:.06em;
}
.hero-stats{
  grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);padding-top:20px;margin-top:36px;gap:16px;
}
.stat .num{font-family:Georgia,serif;font-size:26px;color:var(--ink-900);line-height:1.2;}
.stat .lbl{font-size:13px;color:var(--text-2);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;border-radius:var(--r-btn);
  padding:12px 24px;font-size:15px;line-height:1;border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn-primary{background:var(--bamboo-600);color:var(--paper-soft);}
.btn-primary:hover{background:var(--bamboo-700);transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--ink-900);color:var(--ink-900);}
.btn-ghost:hover{background:var(--bamboo-050);border-color:var(--bamboo-600);color:var(--bamboo-700);}
.btn-text{background:none;border:0;padding:0;color:var(--bamboo-700);font-size:15px;position:relative;}
.btn-text::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:1px;background:var(--bamboo-600);
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.btn-text:hover::after{transform:scaleX(1);}
.pill-btn{
  border:1px solid var(--ink-900);background:transparent;color:var(--ink-900);
  border-radius:999px;padding:8px 18px;font-size:13px;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.pill-btn:hover{background:var(--bamboo-050);border-color:var(--bamboo-600);color:var(--bamboo-700);}

/* ---------- 板块 ---------- */
.section{padding:60px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px;}
.section-head h2{font-size:30px;display:flex;align-items:center;gap:12px;line-height:1.3;}
.section-head h2::before{content:"";width:4px;height:.9em;background:var(--bamboo-600);border-radius:2px;flex:none;}
.section-desc{font-size:14px;color:var(--text-2);max-width:520px;line-height:1.8;}

/* ---------- 时间轴 ---------- */
.tl-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start;}
.timeline{position:relative;padding-left:36px;}
.timeline::before{
  content:"";position:absolute;left:10px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(var(--bamboo-300),var(--bamboo-050));
}
.tl-item{position:relative;padding-bottom:48px;animation:riseIn .5s var(--ease) both;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:9px;width:14px;height:14px;border-radius:50%;
  background:var(--paper-soft);border:2px solid var(--bamboo-600);
  box-shadow:0 0 0 4px var(--paper);transition:background .2s var(--ease);
}
.tl-item:hover::before{background:var(--bamboo-600);}
.tl-num{font-family:Georgia,serif;font-size:13px;letter-spacing:.12em;color:var(--clay);}
.tl-item h3{font-size:21px;margin:6px 0 10px;line-height:1.4;}
.tl-item p{font-size:15.5px;line-height:1.9;color:var(--ink-700);margin-bottom:14px;}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;color:var(--text-2);}
.tl-meta .dot{color:var(--bamboo-300);}
@keyframes riseIn{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:none;}}
.tl-item:nth-child(1){animation-delay:.02s;}
.tl-item:nth-child(2){animation-delay:.06s;}
.tl-item:nth-child(3){animation-delay:.1s;}
.tl-item:nth-child(4){animation-delay:.14s;}
.tl-item:nth-child(5){animation-delay:.18s;}
.tl-item:nth-child(6){animation-delay:.22s;}

/* ---------- 侧栏目录卡 ---------- */
.toc-card{
  position:sticky;top:96px;background:var(--paper-soft);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-sm);
}
.toc-card h3{font-size:16px;margin-bottom:14px;}
.toc-list li{border-top:1px solid var(--line);}
.toc-list li:first-child{border-top:0;}
.toc-list a{
  display:flex;align-items:baseline;gap:10px;padding:11px 0;font-size:14px;color:var(--ink-700);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.toc-list a:hover{color:var(--bamboo-700);transform:translateX(4px);}
.toc-list .idx{font-family:Georgia,serif;font-size:12px;color:var(--clay);}
.toc-foot{margin-top:18px;border-top:1px solid var(--line);padding-top:16px;}
.toc-foot p{font-size:12px;color:var(--text-2);line-height:1.7;margin-top:10px;}

/* ---------- 专题卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.topic-card{
  display:flex;flex-direction:column;background:var(--paper-soft);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.topic-card:hover{transform:translateY(-3px);border-color:var(--bamboo-300);box-shadow:var(--shadow-md);}
.topic-card .thumb{aspect-ratio:16/10;overflow:hidden;}
.topic-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.topic-card:hover .thumb img{transform:scale(1.04);}
.topic-body{padding:22px;display:flex;flex-direction:column;gap:10px;}
.topic-body h3{font-size:19px;line-height:1.4;}
.topic-body p{font-size:14px;line-height:1.8;color:var(--text-2);}
.topic-body .card-link{font-size:14px;color:var(--bamboo-700);margin-top:auto;display:inline-flex;align-items:center;gap:6px;}

/* ---------- 数据条 ---------- */
.band{
  background:var(--bamboo-050);border-radius:var(--r-card);padding:32px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.band .num{font-family:Georgia,serif;font-size:28px;color:var(--bamboo-700);line-height:1.2;}
.band .lbl{font-size:13px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:220px minmax(0,1fr);gap:48px;align-items:start;}
.faq-aside h2{font-size:28px;display:flex;align-items:center;gap:12px;}
.faq-aside h2::before{content:"";width:4px;height:.9em;background:var(--bamboo-600);border-radius:2px;}
.faq-aside p{font-size:13px;color:var(--text-2);line-height:1.8;margin:12px 0 18px;}
.faq-item{
  border-top:1px solid var(--line);border-left:2px solid transparent;padding-left:16px;
  transition:border-color .2s var(--ease);
}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 44px 20px 0;font-size:17px;font-weight:600;
  color:var(--ink-900);position:relative;line-height:1.5;transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:20px;color:var(--bamboo-700);transition:transform .2s var(--ease);
}
.faq-item[open]{border-left-color:var(--bamboo-600);}
.faq-item[open] summary{color:var(--bamboo-700);}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-a{font-size:15px;line-height:1.9;color:var(--text-2);padding:0 40px 22px 0;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink-900);color:var(--paper);border-radius:var(--r-card);
  padding:44px;display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:var(--paper);font-size:24px;line-height:1.4;}
.cta-band p{font-size:13px;color:rgba(247,244,236,.68);margin-top:8px;line-height:1.8;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .pill-btn{border-color:rgba(247,244,236,.42);color:var(--paper);}
.cta-band .pill-btn:hover{background:rgba(247,244,236,.12);border-color:var(--paper);color:var(--paper);}
.cta-band .pill-btn.solid{background:var(--bamboo-600);border-color:var(--bamboo-600);}
.cta-band .pill-btn.solid:hover{background:var(--bamboo-700);border-color:var(--bamboo-700);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:var(--paper);margin-top:72px;}
.site-footer .wrap{padding-top:56px;padding-bottom:24px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;gap:12px;align-items:flex-start;}
.footer-brand .logo-mark{width:36px;height:36px;color:var(--bamboo-300);}
.footer-brand .brand-name{
  font-family:"Noto Serif SC","Songti SC",serif;font-size:17px;font-weight:700;
  color:var(--paper);display:block;letter-spacing:.02em;
}
.footer-brand p{font-size:13px;color:rgba(247,244,236,.62);margin-top:8px;line-height:1.8;max-width:280px;}
.site-footer h4{
  font-family:"Noto Sans SC","PingFang SC",sans-serif;color:var(--paper);
  font-size:14px;letter-spacing:.06em;margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:13.5px;color:rgba(247,244,236,.7);transition:color .2s var(--ease);}
.footer-links a:hover{color:var(--paper);}
.footer-qr{
  font-size:12px;color:rgba(247,244,236,.55);line-height:1.7;text-align:center;
  border:1px dashed rgba(247,244,236,.24);border-radius:10px;padding:12px;
}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(255,255,255,.08);padding-top:20px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,244,236,.6);
}

/* ---------- 提示条 ---------- */
.toast{
  position:fixed;left:50%;bottom:32px;transform:translate(-50%,16px);
  background:var(--ink-900);color:var(--paper);font-size:14px;padding:10px 22px;
  border-radius:999px;opacity:0;pointer-events:none;z-index:200;
  transition:opacity .25s var(--ease),transform .25s var(--ease);
}
.toast.is-on{opacity:1;transform:translate(-50%,0);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .hero{grid-template-columns:1fr;gap:28px;padding-bottom:44px;}
  .hero h1{font-size:36px;}
  .hero-stats{margin-top:24px;}
  .tl-grid{grid-template-columns:1fr;gap:36px;}
  .toc-card{position:static;}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .faq-grid{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:48px 0;}
}
@media (max-width:767px){
  .hero h1{font-size:31px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .band{grid-template-columns:repeat(2,1fr);padding:24px;}
  .section-head h2{font-size:24px;}
  .cta-band{padding:28px;}
  .cta-band h2{font-size:20px;}
  .cta-band .pill-btn{flex:1 1 auto;text-align:center;}
}
@media (max-width:520px){
  .card-grid{grid-template-columns:1fr;gap:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-lead{font-size:15px;}
  .timeline{padding-left:28px;}
  .tl-item::before{left:-24px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --ink-900:#14181B;--ink-700:#2A3033;
  --bamboo-700:#245A44;--bamboo-600:#2F6E52;--bamboo-300:#9CC0AC;--bamboo-050:#E4EDE6;
  --paper:#F7F4EC;--paper-soft:#FFFDF8;
  --clay:#C2553A;--line:#E3DDCF;--text-2:#5C6461;
  --r-card:14px;--r-btn:10px;--r-img:12px;
  --sh-1:0 1px 2px rgba(20,24,27,.05);
  --sh-2:0 10px 28px -12px rgba(20,24,27,.18);
  --ease:cubic-bezier(.2,.7,.2,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,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-700);
  font-family:var(--sans);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink-900);margin:0;line-height:1.22;font-weight:700}
p{margin:0}
:focus-visible{outline:2px solid var(--bamboo-600);outline-offset:3px;border-radius:4px}

/* ---------- 外壳 ---------- */
.shell{display:flex;align-items:flex-start;min-height:100vh}
.sidebar{
  width:244px;flex:0 0 244px;position:sticky;top:0;height:100vh;
  background:var(--paper);border-right:1px solid var(--line);
  padding:28px 20px 24px;display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;z-index:80;
}
.sidebar-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:10px}
.logo-mark{width:32px;height:32px;flex:none;color:var(--bamboo-700)}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-family:var(--serif);font-size:16px;font-weight:700;color:var(--ink-900);letter-spacing:.01em}
.brand-sub{font-size:12px;color:var(--text-2);letter-spacing:.08em;margin-top:2px}

.nav-label{
  display:block;font-size:11px;letter-spacing:.16em;color:var(--text-2);
  padding:0 12px 8px;border-bottom:1px solid var(--line);margin-bottom:8px;
}
.nav{display:flex;flex-direction:column;gap:2px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:var(--r-btn);font-size:15px;color:var(--ink-700);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:0;background:var(--clay);border-radius:2px;
  transition:height .2s var(--ease);
}
.nav-item:hover{background:rgba(228,237,230,.55);color:var(--bamboo-700)}
.nav-item:hover::before{height:58%}
.nav-item.is-active{background:var(--bamboo-050);color:var(--bamboo-700);font-weight:700}
.nav-item.is-active::before{height:58%}
.nav-num{font-family:Georgia,serif;font-size:12px;color:var(--clay);width:18px;flex:none;letter-spacing:.04em}
.nav-text{flex:1}
.nav-arrow{font-size:13px;opacity:0;transform:translateX(-2px);transition:opacity .2s var(--ease),transform .2s var(--ease)}
.nav-item:hover .nav-arrow,.nav-item.is-active .nav-arrow{opacity:.8;transform:translateX(0)}

.sidebar-foot{margin-top:auto;border-top:1px solid var(--line);padding-top:18px}
.pill-btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  padding:10px 18px;border-radius:999px;border:1px solid var(--ink-900);
  font-size:13px;color:var(--ink-900);background:transparent;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.pill-btn:hover{background:var(--bamboo-050);transform:translateY(-1px)}
.sidebar-foot p{font-size:13px;color:var(--text-2);margin-top:10px;line-height:1.6}
.menu-toggle{
  display:none;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--r-btn);
  border:1px solid var(--line);font-size:13px;color:var(--ink-900);background:var(--paper-soft);
}

/* ---------- 内容容器 ---------- */
main{flex:1;min-width:0}
.wrap{max-width:1200px;margin:0 auto;padding:0 40px}
.section{margin-top:96px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-title{
  font-size:31px;position:relative;padding-left:18px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.12em;width:4px;height:.9em;
  background:var(--bamboo-600);border-radius:2px;
}
.section-desc{font-size:14px;color:var(--text-2);max-width:520px;margin-top:10px;padding-left:18px}
.link-more{
  position:relative;font-size:14px;color:var(--bamboo-700);white-space:nowrap;
  display:inline-flex;align-items:center;gap:6px;padding-bottom:2px;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:var(--bamboo-600);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.link-more:hover::after{transform:scaleX(1)}

/* ---------- 顶部页头 ---------- */
.crumbs{display:flex;gap:8px;font-size:13px;color:var(--text-2);padding-top:32px;flex-wrap:wrap}
.crumbs a:hover{color:var(--bamboo-700)}
.crumbs span.sep{opacity:.6}
.crumbs .current{color:var(--ink-900);font-weight:600}

.page-head{padding-top:28px;display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;
  color:var(--bamboo-700);background:var(--bamboo-050);border-radius:999px;padding:6px 14px;
}
.eyebrow .dot{width:5px;height:5px;border-radius:50%;background:var(--clay);display:inline-block}
.page-head h1{
  font-size:46px;line-height:1.14;letter-spacing:-.01em;margin:18px 0 0;
}
.page-head .lede{font-size:17px;line-height:1.9;color:var(--text-2);margin-top:18px;max-width:600px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.badge{
  display:inline-flex;align-items:center;font-size:12px;color:var(--bamboo-700);
  background:var(--bamboo-050);border-radius:999px;padding:6px 12px;letter-spacing:.02em;
}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--bamboo-600);color:#FBF9F3}
.btn-primary:hover{background:var(--bamboo-700);transform:translateY(-1px)}
.btn-ghost{border:1px solid var(--ink-900);color:var(--ink-900)}
.btn-ghost:hover{background:var(--bamboo-050);transform:translateY(-1px)}
.btn .arrow{font-size:14px;transition:transform .2s var(--ease)}
.btn:hover .arrow{transform:translateX(3px)}
.head-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.head-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.head-media::after{
  content:"";position:absolute;right:18px;bottom:18px;width:26px;height:26px;
  background:var(--clay);border-radius:6px;opacity:.9;
}

/* ---------- 三步流程 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  background:var(--paper-soft);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;
}
.step{display:flex;gap:16px;align-items:flex-start}
.step-num{
  flex:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--bamboo-300);
  display:flex;align-items:center;justify-content:center;
  font-family:Georgia,serif;font-size:14px;color:var(--bamboo-700);background:var(--bamboo-050);
}
.step h3{font-size:17px;margin-bottom:6px}
.step p{font-size:14px;color:var(--text-2);line-height:1.75}

/* ---------- 课程卡 ---------- */
.course-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.course-card{
  display:flex;flex-direction:column;background:var(--paper-soft);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.course-card:hover{transform:translateY(-3px);border-color:var(--bamboo-300);box-shadow:var(--sh-2)}
.course-media{overflow:hidden;aspect-ratio:16/9;background:var(--bamboo-050)}
.course-media img{width:100%;height:100%;object-fit:cover;transition:transform .2s var(--ease)}
.course-card:hover .course-media img{transform:scale(1.04)}
.course-body{padding:22px 20px 24px;display:flex;flex-direction:column;flex:1}
.course-body h3{font-size:17px;line-height:1.5;margin-bottom:12px}
.course-list{display:flex;flex-direction:column;gap:8px;margin-top:auto}
.course-list li{
  position:relative;padding-left:14px;font-size:13.5px;line-height:1.7;color:var(--text-2);
}
.course-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:5px;height:5px;border-radius:50%;background:var(--bamboo-300);
}
.course-tag{margin-top:16px;font-size:12px;letter-spacing:.06em;color:var(--bamboo-700)}

/* ---------- 要点清单 ---------- */
.checklist{
  background:var(--bamboo-050);border-radius:var(--r-card);padding:36px 40px;
  display:grid;grid-template-columns:1fr 1fr;gap:14px 56px;
}
.checklist li{
  position:relative;padding-left:22px;font-size:15px;line-height:1.75;color:var(--ink-700);
}
.checklist li::before{
  content:"✓";position:absolute;left:0;top:0;color:var(--bamboo-600);font-size:13px;font-weight:700;
}

/* ---------- 阶段卡 + 数据条 ---------- */
.stage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.stage-card{
  background:var(--paper-soft);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.stage-card:hover{transform:translateY(-3px);border-color:var(--bamboo-300);box-shadow:var(--sh-2)}
.stage-card .badge{margin-bottom:16px}
.stage-card h3{font-size:19px;margin-bottom:10px}
.stage-card p{font-size:14px;color:var(--text-2);line-height:1.8}
.stage-card dl{margin:18px 0 0;display:grid;grid-template-columns:auto 1fr;gap:8px 16px;font-size:13.5px}
.stage-card dt{color:var(--text-2)}
.stage-card dd{margin:0;color:var(--ink-900);font-weight:600}

.stats{
  margin-top:72px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.stat{padding:28px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat .num{font-family:Georgia,serif;font-size:30px;color:var(--bamboo-700);line-height:1.1}
.stat .cap{font-size:13px;color:var(--text-2);margin-top:6px}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:56px}
.faq-aside h2{font-size:28px;position:relative;padding-left:18px}
.faq-aside h2::before{
  content:"";position:absolute;left:0;top:.12em;width:4px;height:.9em;
  background:var(--bamboo-600);border-radius:2px;
}
.faq-aside p{font-size:13px;color:var(--text-2);margin-top:14px;line-height:1.8}
.faq-aside .link-more{margin-top:18px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item::before{
  content:"";position:absolute;left:-18px;top:0;bottom:0;width:2px;background:var(--bamboo-600);
  opacity:0;transition:opacity .2s var(--ease);
}
.faq-item.is-open::before{opacity:1}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 4px;text-align:left;font-family:var(--serif);font-size:17px;font-weight:600;color:var(--ink-900);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--bamboo-700)}
.faq-icon{
  flex:none;width:22px;height:22px;position:relative;transition:transform .2s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--bamboo-600);border-radius:2px;
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px}
.faq-icon::after{left:10px;top:0;width:2px;height:22px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .28s var(--ease);
}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a p{padding:0 4px 24px;font-size:15px;line-height:1.9;color:var(--text-2);max-width:720px}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink-900);color:var(--paper);border-radius:var(--r-card);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:var(--paper);font-size:26px;line-height:1.35}
.cta-band p{color:rgba(247,244,236,.7);font-size:13px;margin-top:8px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn-paper{background:var(--paper);color:var(--ink-900)}
.btn-paper:hover{background:#fff;transform:translateY(-1px)}
.btn-line{border:1px solid rgba(247,244,236,.45);color:var(--paper)}
.btn-line:hover{background:rgba(247,244,236,.1);transform:translateY(-1px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:var(--paper);margin-top:96px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;gap:12px;align-items:flex-start}
.footer-brand .logo-mark{color:var(--bamboo-300);width:34px;height:34px}
.footer-brand .brand-name{font-family:var(--serif);font-size:17px;color:var(--paper);display:block}
.footer-brand p{font-size:13px;line-height:1.8;color:rgba(247,244,236,.62);margin-top:10px;max-width:300px}
.site-footer h4{font-size:14px;color:var(--paper);font-family:var(--sans);font-weight:600;letter-spacing:.06em;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13.5px;color:rgba(247,244,236,.72);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--bamboo-300)}
.footer-qr{
  width:120px;height:120px;border:1px dashed rgba(247,244,236,.4);border-radius:10px;
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.6;color:rgba(247,244,236,.62);
}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,244,236,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .course-grid{grid-template-columns:repeat(2,1fr)}
  .page-head{grid-template-columns:minmax(0,1fr) 320px;gap:36px}
}
@media (max-width:1023px){
  .shell{display:block}
  .sidebar{
    position:fixed;top:0;left:0;right:0;width:auto;height:64px;flex:none;
    display:flex;flex-direction:row;align-items:center;justify-content:space-between;
    padding:0 20px;border-right:none;border-bottom:1px solid var(--line);
    background:rgba(247,244,236,.97);backdrop-filter:blur(8px);overflow:visible;
  }
  .sidebar .nav{
    position:fixed;top:64px;left:0;right:0;bottom:0;display:none;flex-direction:column;
    gap:4px;background:var(--paper);padding:20px 20px 48px;overflow-y:auto;
  }
  .sidebar .nav.is-open{display:flex}
  .nav-label{display:block;margin-bottom:10px}
  .nav-item{font-size:17px;padding:14px 12px}
  .sidebar-foot{display:none}
  .menu-toggle{display:inline-flex}
  main{padding-top:64px}
  .wrap{padding:0 20px}
  .section{margin-top:56px}
  .page-head{grid-template-columns:1fr;gap:28px}
  .page-head h1{font-size:34px}
  .head-media img{aspect-ratio:16/10}
  .steps{grid-template-columns:1fr;padding:24px}
  .stage-grid{grid-template-columns:1fr;gap:16px}
  .stats{grid-template-columns:repeat(2,1fr);margin-top:48px}
  .stat:nth-child(2){border-right:none}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .faq-layout{grid-template-columns:1fr;gap:24px}
  .faq-item::before{left:-10px}
  .checklist{grid-template-columns:1fr;padding:28px 24px;gap:12px}
  .cta-band{padding:32px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .site-footer{margin-top:56px;padding-top:48px}
}
@media (max-width:640px){
  .course-grid{grid-template-columns:1fr}
  .page-head h1{font-size:29px}
  .section-title{font-size:24px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .stats{grid-template-columns:1fr}
  .stat{border-right:none;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:none}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-band h2{font-size:21px}
  .cta-actions .btn{width:100%;justify-content:center}
  .btn{padding:11px 20px;font-size:14px}
  .faq-q{font-size:16px;padding:18px 0}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;scroll-behavior:auto !important}
  .course-card:hover,.stage-card:hover,.btn:hover,.pill-btn:hover{transform:none !important}
  .course-card:hover .course-media img{transform:none !important}
}

/* roulang page: category3 */
:root{
    --ink-900:#14181B;
    --ink-700:#2A3033;
    --bamboo-700:#245A44;
    --bamboo-600:#2F6E52;
    --bamboo-300:#9CC0AC;
    --bamboo-050:#E4EDE6;
    --paper:#F7F4EC;
    --paper-soft:#FFFDF8;
    --clay:#C2553A;
    --line:#E3DDCF;
    --text-2:#5C6461;
    --r-card:14px;
    --r-img:12px;
    --r-btn:10px;
    --shadow-1:0 1px 2px rgba(20,24,27,.05);
    --shadow-2:0 10px 28px -12px rgba(20,24,27,.18);
    --ease:cubic-bezier(.2,.7,.2,1);
    --font-title:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
    --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink-700);
    font-family:var(--font-body);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  h1,h2,h3,h4{margin:0;font-family:var(--font-title);color:var(--ink-900);line-height:1.25;}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}
  ::selection{background:var(--bamboo-050);color:var(--bamboo-700);}
  :focus-visible{outline:2px solid var(--bamboo-600);outline-offset:3px;border-radius:6px;}

  /* ---------- 布局骨架 ---------- */
  .layout{display:flex;align-items:flex-start;min-height:100vh;}

  /* ---------- 左侧竖向导航 ---------- */
  .side-head{
    width:244px;
    flex:0 0 244px;
    position:sticky;
    top:0;
    height:100vh;
    padding:28px 20px 24px;
    border-right:1px solid var(--line);
    background:var(--paper);
    display:flex;
    flex-direction:column;
    gap:22px;
    overflow:auto;
  }
  .side-brand{display:flex;align-items:flex-start;gap:12px;}
  .logo-mark{width:34px;height:34px;flex:0 0 34px;color:var(--bamboo-700);}
  .brand-name{
    display:block;
    font-family:var(--font-title);
    font-size:16px;
    font-weight:700;
    letter-spacing:.01em;
    color:var(--ink-900);
    line-height:1.4;
  }
  .brand-sub{
    display:block;
    margin-top:4px;
    font-size:11.5px;
    letter-spacing:.1em;
    color:var(--text-2);
  }
  .side-rule{height:1px;background:var(--line);}
  .nav-label{
    display:block;
    font-size:11.5px;
    letter-spacing:.16em;
    color:var(--text-2);
    padding-left:4px;
  }
  .nav{display:flex;flex-direction:column;gap:2px;}
  .nav-item{
    position:relative;
    display:flex;
    align-items:center;
    gap:10px;
    padding:10px 12px 10px 14px;
    border-radius:var(--r-btn);
    color:var(--ink-700);
    transition:background .2s var(--ease),color .2s var(--ease);
  }
  .nav-item::before{
    content:"";
    position:absolute;
    left:0;top:50%;
    width:2px;height:0;
    background:var(--clay);
    transform:translateY(-50%);
    border-radius:2px;
    transition:height .2s var(--ease);
  }
  .nav-item:hover{background:rgba(228,237,230,.55);}
  .nav-item:hover::before{height:58%;}
  .nav-item.is-active{background:var(--bamboo-050);color:var(--bamboo-700);font-weight:700;}
  .nav-item.is-active::before{height:100%;}
  .nav-num{
    font-size:11.5px;
    letter-spacing:.06em;
    color:var(--text-2);
    font-variant-numeric:tabular-nums;
    min-width:18px;
  }
  .nav-item.is-active .nav-num{color:var(--bamboo-700);}
  .nav-text{font-size:14.5px;line-height:1.5;}
  .nav-arrow{
    margin-left:auto;
    font-size:13px;
    opacity:0;
    transform:translateX(-5px);
    transition:opacity .2s var(--ease),transform .2s var(--ease);
    color:var(--bamboo-700);
  }
  .nav-item:hover .nav-arrow,.nav-item.is-active .nav-arrow{opacity:1;transform:translateX(0);}
  .side-foot{
    margin-top:auto;
    border-top:1px solid var(--line);
    padding-top:16px;
  }
  .side-foot p{
    font-size:12.5px;
    line-height:1.75;
    color:var(--text-2);
    margin-bottom:12px;
  }
  .pill-btn{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:9px 18px;
    border-radius:999px;
    border:1px solid var(--bamboo-700);
    background:transparent;
    color:var(--bamboo-700);
    font-size:13px;
    letter-spacing:.04em;
    cursor:pointer;
    transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
  }
  .pill-btn:hover{background:var(--bamboo-050);transform:translateY(-1px);}
  .menu-toggle{
    display:none;
    margin-left:auto;
    padding:8px 16px;
    border-radius:var(--r-btn);
    border:1px solid var(--line);
    background:var(--paper-soft);
    color:var(--ink-900);
    font-size:14px;
    cursor:pointer;
  }

  /* ---------- 主内容区 ---------- */
  .main{flex:1;min-width:0;padding:32px 40px 0;}
  .wrap{max-width:1200px;margin:0 auto;}

  .crumbs{
    font-size:13px;
    color:var(--text-2);
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    align-items:center;
  }
  .crumbs a{transition:color .2s var(--ease);}
  .crumbs a:hover{color:var(--bamboo-700);}
  .crumbs .sep{color:var(--bamboo-300);}
  .crumbs .cur{color:var(--ink-900);}

  /* ---------- Hero ---------- */
  .hero{
    padding:34px 0 56px;
    border-bottom:1px solid var(--line);
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:12px;
    letter-spacing:.16em;
    color:var(--bamboo-700);
    margin-bottom:18px;
  }
  .eyebrow::before{
    content:"";
    width:22px;height:1px;
    background:var(--bamboo-300);
  }
  .hero h1{
    font-size:44px;
    font-weight:700;
    letter-spacing:-.01em;
    line-height:1.15;
    margin-bottom:20px;
  }
  .hero-lead{
    font-size:16.5px;
    line-height:1.95;
    color:var(--text-2);
    max-width:740px;
  }
  .chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
  .chip{
    display:inline-flex;
    align-items:center;
    padding:6px 14px;
    border-radius:999px;
    background:var(--bamboo-050);
    color:var(--bamboo-700);
    font-size:12.5px;
    letter-spacing:.04em;
    border:1px solid transparent;
    transition:border-color .2s var(--ease);
  }
  .chip:hover{border-color:var(--bamboo-300);}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
  .btn{
    display:inline-flex;
    align-items:center;
    gap:10px;
    padding:12px 24px;
    border-radius:var(--r-btn);
    font-size:14.5px;
    letter-spacing:.02em;
    cursor:pointer;
    border:1px solid transparent;
    transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
  }
  .btn-primary{background:var(--bamboo-600);color:var(--paper-soft);}
  .btn-primary:hover{background:var(--bamboo-700);transform:translateY(-1px);}
  .btn-ghost{background:transparent;border-color:var(--ink-900);color:var(--ink-900);}
  .btn-ghost:hover{background:var(--bamboo-050);}
  .btn .arrow{font-size:13px;transition:transform .2s var(--ease);}
  .btn:hover .arrow{transform:translateX(3px);}

  .hero-stats{
    display:flex;
    flex-wrap:wrap;
    gap:0;
    margin-top:44px;
    border-top:1px solid var(--line);
    padding-top:22px;
  }
  .stat{
    padding-right:40px;
    margin-right:40px;
    border-right:1px solid var(--line);
  }
  .stat:last-child{border-right:none;margin-right:0;padding-right:0;}
  .stat b{
    display:block;
    font-family:var(--font-title);
    font-size:26px;
    color:var(--ink-900);
    line-height:1.2;
    font-variant-numeric:tabular-nums;
  }
  .stat span{font-size:12.5px;color:var(--text-2);letter-spacing:.05em;}

  /* ---------- 板块通用 ---------- */
  .section{padding:72px 0;border-bottom:1px solid var(--line);}
  .section:last-of-type{border-bottom:none;}
  .sec-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    margin-bottom:32px;
    flex-wrap:wrap;
  }
  .sec-head h2{
    font-size:30px;
    font-weight:700;
    padding-left:16px;
    position:relative;
    line-height:1.2;
  }
  .sec-head h2::before{
    content:"";
    position:absolute;
    left:0;top:50%;
    transform:translateY(-50%);
    width:4px;height:.9em;
    background:var(--bamboo-700);
    border-radius:2px;
  }
  .sec-desc{
    font-size:14px;
    color:var(--text-2);
    margin-top:10px;
    padding-left:16px;
    max-width:640px;
    line-height:1.8;
  }
  .text-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    color:var(--bamboo-700);
    position:relative;
    padding-bottom:3px;
  }
  .text-link::after{
    content:"";
    position:absolute;
    left:0;bottom:0;
    width:100%;height:1px;
    background:var(--bamboo-600);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .2s var(--ease);
  }
  .text-link:hover::after{transform:scaleX(1);}

  /* ---------- 通栏大图 ---------- */
  .banner{
    position:relative;
    border-radius:var(--r-card);
    overflow:hidden;
    height:360px;
    border:1px solid var(--line);
    box-shadow:var(--shadow-1);
  }
  .banner img{
    width:100%;height:100%;
    object-fit:cover;
    transition:transform .4s var(--ease);
  }
  .banner:hover img{transform:scale(1.03);}
  .banner::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(20,24,27,.15) 0%,rgba(20,24,27,.52) 100%);
  }
  .banner-inner{
    position:absolute;
    left:32px;bottom:28px;right:32px;
    z-index:2;
    color:var(--paper-soft);
  }
  .banner-inner h2{
    color:var(--paper-soft);
    font-size:28px;
    margin-bottom:14px;
    padding-left:0;
  }
  .banner-inner h2::before{display:none;}
  .banner-inner p{
    font-size:14px;
    line-height:1.8;
    color:rgba(247,244,236,.82);
    max-width:600px;
    margin-bottom:16px;
  }
  .banner .chip{background:rgba(247,244,236,.14);color:var(--paper-soft);border-color:rgba(247,244,236,.3);}

  /* ---------- 图卡（错落两列） ---------- */
  .gallery{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:24px;
    margin-top:32px;
  }
  .g-item{
    background:var(--paper-soft);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    overflow:hidden;
    box-shadow:var(--shadow-1);
    transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .g-item:hover{transform:translateY(-3px);border-color:var(--bamboo-300);box-shadow:var(--shadow-2);}
  .g-item .shot{overflow:hidden;background:var(--bamboo-050);}
  .g-item .shot img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
  .g-item:hover .shot img{transform:scale(1.04);}
  .g-item.tall .shot img{aspect-ratio:4/3;}
  .g-item.short .shot img{aspect-ratio:16/9;}
  .g-body{padding:22px 24px 24px;}
  .g-body h3{font-size:19px;font-weight:700;margin-bottom:8px;}
  .g-body p{font-size:14px;color:var(--text-2);line-height:1.8;}
  .g-meta{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin-top:16px;
  }
  .tag{
    display:inline-flex;
    padding:4px 11px;
    font-size:12px;
    border-radius:999px;
    background:var(--bamboo-050);
    color:var(--bamboo-700);
    letter-spacing:.03em;
  }

  /* ---------- 参数表 ---------- */
  .spec-block{
    display:grid;
    grid-template-columns:320px 1fr;
    gap:56px;
    align-items:start;
  }
  .spec-list{border-top:1px solid var(--line);}
  .spec-row{
    display:flex;
    justify-content:space-between;
    align-items:baseline;
    gap:24px;
    padding:16px 0;
    border-bottom:1px solid var(--line);
    transition:background .2s var(--ease),padding-left .2s var(--ease);
  }
  .spec-row:hover{background:rgba(228,237,230,.4);padding-left:10px;}
  .spec-key{font-size:13px;letter-spacing:.06em;color:var(--text-2);flex:0 0 auto;}
  .spec-val{font-size:15px;color:var(--ink-900);text-align:right;line-height:1.7;}
  .spec-note{
    margin-top:20px;
    font-size:13px;
    color:var(--text-2);
    line-height:1.8;
    padding:16px 18px;
    background:var(--bamboo-050);
    border-radius:var(--r-btn);
  }

  /* ---------- FAQ ---------- */
  .faq-block{display:grid;grid-template-columns:260px 1fr;gap:56px;align-items:start;}
  .faq-aside h2{font-size:28px;padding-left:16px;position:relative;}
  .faq-aside h2::before{
    content:"";
    position:absolute;left:0;top:50%;
    transform:translateY(-50%);
    width:4px;height:.9em;background:var(--bamboo-700);border-radius:2px;
  }
  .faq-aside p{font-size:13.5px;color:var(--text-2);line-height:1.9;margin-top:14px;}
  .faq-list{border-top:1px solid var(--line);}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding:20px 0;
    font-size:16.5px;
    font-weight:600;
    color:var(--ink-900);
    transition:color .2s var(--ease),padding-left .2s var(--ease);
    position:relative;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::before{
    content:"";
    position:absolute;
    left:0;top:18px;bottom:18px;
    width:2px;
    background:var(--bamboo-600);
    border-radius:2px;
    opacity:0;
    transition:opacity .2s var(--ease);
  }
  .faq-item[open] summary::before{opacity:1;}
  .faq-item[open] summary{padding-left:14px;color:var(--bamboo-700);}
  .faq-item summary:hover{color:var(--bamboo-700);}
  .faq-icon{
    flex:0 0 auto;
    width:16px;height:16px;
    position:relative;
    transition:transform .2s var(--ease);
  }
  .faq-icon::before,.faq-icon::after{
    content:"";
    position:absolute;
    background:var(--bamboo-700);
    border-radius:1px;
  }
  .faq-icon::before{left:0;top:7px;width:16px;height:2px;}
  .faq-icon::after{left:7px;top:0;width:2px;height:16px;transition:transform .2s var(--ease);}
  .faq-item[open] .faq-icon{transform:rotate(45deg);}
  .faq-answer{
    padding:0 0 22px;
    font-size:15px;
    line-height:1.9;
    color:var(--text-2);
    padding-left:14px;
  }

  /* ---------- CTA 条 ---------- */
  .cta-band{
    background:var(--ink-900);
    border-radius:var(--r-card);
    padding:42px 44px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:32px;
    flex-wrap:wrap;
    margin:0 0 80px;
  }
  .cta-band h2{
    color:var(--paper-soft);
    font-size:24px;
    padding-left:0;
    margin-bottom:10px;
  }
  .cta-band h2::before{display:none;}
  .cta-band p{font-size:13.5px;color:rgba(247,244,236,.7);line-height:1.8;max-width:520px;}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
  .cta-actions .pill-btn{
    border-color:rgba(247,244,236,.4);
    color:var(--paper-soft);
    padding:11px 22px;
  }
  .cta-actions .pill-btn:hover{background:rgba(247,244,236,.12);}
  .cta-actions .pill-btn.solid{
    background:var(--bamboo-600);
    border-color:var(--bamboo-600);
  }
  .cta-actions .pill-btn.solid:hover{background:var(--bamboo-700);border-color:var(--bamboo-700);}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--ink-900);
    color:rgba(247,244,236,.82);
    padding:56px 0 0;
    margin-top:0;
  }
  .site-footer .wrap{padding:0 40px;}
  .footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1fr;
    gap:40px;
    padding-bottom:44px;
    border-bottom:1px solid rgba(255,255,255,.08);
  }
  .footer-brand{display:flex;gap:14px;align-items:flex-start;}
  .footer-brand .logo-mark{color:var(--paper-soft);}
  .footer-brand .brand-name{color:var(--paper-soft);font-size:16px;}
  .footer-brand p{font-size:13px;line-height:1.85;color:rgba(247,244,236,.6);margin-top:8px;max-width:300px;}
  .site-footer h4{
    font-family:var(--font-body);
    font-size:13px;
    letter-spacing:.14em;
    color:rgba(247,244,236,.55);
    font-weight:500;
    margin-bottom:16px;
  }
  .footer-links{display:flex;flex-direction:column;gap:11px;}
  .footer-links a{
    font-size:14px;
    color:rgba(247,244,236,.82);
    transition:color .2s var(--ease),transform .2s var(--ease);
    display:inline-block;
  }
  .footer-links a:hover{color:var(--bamboo-300);transform:translateX(3px);}
  .footer-qr{
    font-size:12px;
    line-height:1.7;
    color:rgba(247,244,236,.55);
    width:104px;
    height:104px;
    border:1px dashed rgba(247,244,236,.28);
    border-radius:10px;
    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
    padding:8px;
  }
  .footer-bottom{
    display:flex;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    padding:22px 0 26px;
    font-size:12.5px;
    color:rgba(247,244,236,.55);
  }

  /* ---------- 响应式 ---------- */
  @media (min-width:1440px){
    .side-head{width:264px;flex:0 0 264px;}
  }
  @media (max-width:1023px){
    .layout{display:block;}
    .side-head{
      width:auto;
      flex:none;
      height:auto;
      position:sticky;
      top:0;
      z-index:60;
      flex-direction:row;
      align-items:center;
      gap:16px;
      padding:12px 20px;
      border-right:none;
      border-bottom:1px solid var(--line);
      background:rgba(247,244,236,.96);
      backdrop-filter:blur(8px);
      overflow:visible;
    }
    .side-brand{align-items:center;}
    .logo-mark{width:30px;height:30px;flex:0 0 30px;}
    .brand-name{font-size:14.5px;white-space:nowrap;}
    .brand-sub{display:none;}
    .side-rule,.nav-label,.side-foot{display:none;}
    .menu-toggle{display:inline-flex;align-items:center;}
    .nav{
      display:none;
      position:fixed;
      left:0;right:0;top:57px;bottom:0;
      background:var(--paper-soft);
      padding:22px 20px 40px;
      gap:4px;
      overflow:auto;
      z-index:55;
      border-top:1px solid var(--line);
    }
    .side-head.is-open .nav{display:flex;}
    .nav-item{padding:15px 14px;font-size:17px;}
    .nav-text{font-size:16.5px;}
    .nav-arrow{opacity:1;transform:none;}
    .main{padding:24px 20px 0;}
    .hero h1{font-size:34px;}
    .hero{padding:22px 0 42px;}
    .section{padding:54px 0;}
    .sec-head h2{font-size:25px;}
    .spec-block{grid-template-columns:1fr;gap:32px;}
    .faq-block{grid-template-columns:1fr;gap:28px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .site-footer .wrap{padding:0 20px;}
    .cta-band{padding:32px 26px;margin-bottom:56px;}
  }
  @media (max-width:767px){
    .gallery{grid-template-columns:1fr;gap:18px;}
    .banner{height:280px;}
    .banner-inner{left:20px;right:20px;bottom:20px;}
    .banner-inner h2{font-size:22px;}
    .banner-inner p{font-size:13px;}
    .hero-stats{gap:0;}
    .stat{padding-right:24px;margin-right:24px;margin-bottom:16px;}
    .stat b{font-size:22px;}
    .spec-row{flex-direction:column;align-items:flex-start;gap:6px;}
    .spec-val{text-align:left;}
  }
  @media (max-width:519px){
    .hero h1{font-size:28px;}
    .sec-head h2{font-size:22px;}
    .hero-lead{font-size:15px;}
    .btn{width:100%;justify-content:center;}
    .hero-actions{gap:10px;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-qr{display:none;}
    .cta-actions{width:100%;}
    .cta-actions .pill-btn{flex:1;justify-content:center;}
    .banner{height:230px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important;}
    .g-item:hover,.banner:hover img,.nav-item:hover .nav-arrow{transform:none;}
  }

/* roulang page: category4 */
:root{
  --ink-900:#14181B;
  --ink-700:#2A3033;
  --bamboo-700:#245A44;
  --bamboo-600:#2F6E52;
  --bamboo-300:#9CC0AC;
  --bamboo-050:#E4EDE6;
  --paper:#F7F4EC;
  --paper-soft:#FFFDF8;
  --clay:#C2553A;
  --line:#E3DDCF;
  --text-2:#5C6461;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,24,27,.05);
  --sh-2:0 10px 28px -12px rgba(20,24,27,.18);
  --t:200ms cubic-bezier(.2,.7,.2,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",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-700);font-family:var(--font-sans);font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink-900);margin:0;line-height:1.28;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--bamboo-600);outline-offset:3px}

.layout{display:flex;align-items:flex-start;min-height:100vh}
.main{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:sticky;top:0;height:100vh;width:244px;flex:0 0 244px;
  border-right:1px solid var(--line);background:var(--paper);
  padding:26px 18px;display:flex;flex-direction:column;gap:22px;overflow-y:auto;z-index:80;
}
.side-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.logo-mark{width:32px;height:32px;flex:0 0 auto;color:var(--bamboo-700)}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-text strong{font-family:var(--font-serif);font-size:15px;line-height:1.3;color:var(--ink-900);font-weight:700}
.brand-text em{font-style:normal;font-size:11px;color:var(--text-2);letter-spacing:.04em;margin-top:3px}
.burger{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--paper-soft);align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;padding:0}
.burger span{display:block;width:16px;height:1.6px;background:var(--ink-900);transition:transform var(--t),opacity var(--t)}
.sidebar.is-open .burger span:nth-child(1){transform:translateY(5.6px) rotate(45deg)}
.sidebar.is-open .burger span:nth-child(2){opacity:0}
.sidebar.is-open .burger span:nth-child(3){transform:translateY(-5.6px) rotate(-45deg)}

.side-panel{display:flex;flex-direction:column;gap:22px;flex:1 1 auto}
.nav{display:flex;flex-direction:column;gap:2px}
.nav-label{display:block;font-size:12px;letter-spacing:.12em;color:var(--text-2);padding:0 12px 8px}
.nav-item{position:relative;display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;font-size:15px;color:var(--ink-700);transition:background var(--t),color var(--t)}
.nav-item::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:2px;height:0;border-radius:2px;background:var(--clay);transition:height var(--t)}
.nav-item:hover::before{height:62%}
.nav-num{font-family:Georgia,"Times New Roman",serif;font-size:12px;color:var(--text-2);width:18px;flex:0 0 auto}
.nav-text{flex:1 1 auto;min-width:0}
.nav-arrow{opacity:0;transform:translateX(-4px);transition:opacity var(--t),transform var(--t);color:var(--bamboo-700);font-size:13px}
.nav-item:hover .nav-arrow{opacity:1;transform:none}
.nav-item.is-active{background:var(--bamboo-050);color:var(--bamboo-700);font-weight:700}
.nav-item.is-active::before{height:62%}
.nav-item.is-active .nav-num{color:var(--bamboo-700)}
.side-card{border-top:1px solid var(--line);padding-top:18px;display:flex;flex-direction:column;gap:10px}
.side-card p{font-size:12.5px;line-height:1.75;color:var(--text-2)}
.pill-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  font-size:13px;padding:9px 18px;border-radius:999px;border:1px solid var(--line);
  background:transparent;color:var(--ink-900);cursor:pointer;
  transition:background var(--t),border-color var(--t),color var(--t),transform var(--t);
}
.pill-btn:hover{background:var(--bamboo-050);border-color:var(--bamboo-300);transform:translateY(-1px)}

/* ---------- 通用 ---------- */
.section{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.4vw,30px);position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--bamboo-700)}
.section-sub{font-size:14.5px;color:var(--text-2);margin-top:10px;padding-left:16px}
.btn{
  display:inline-flex;align-items:center;gap:10px;font-size:15px;font-weight:600;
  padding:12px 24px;border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;
  transition:background var(--t),color var(--t),transform var(--t),border-color var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--bamboo-600);color:var(--paper-soft)}
.btn-primary:hover{background:var(--bamboo-700);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;border-color:var(--ink-900);color:var(--ink-900)}
.btn-ghost:hover{background:var(--bamboo-050);border-color:var(--bamboo-700);color:var(--bamboo-700)}
.btn-light{background:rgba(247,244,236,.12);border-color:rgba(247,244,236,.42);color:var(--paper)}
.btn-light:hover{background:rgba(247,244,236,.22);transform:translateY(-1px)}
.text-btn{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--bamboo-700);padding-bottom:2px;
}
.text-btn::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--bamboo-600);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.text-btn:hover::after{transform:scaleX(1)}
.badge{display:inline-block;font-size:12px;padding:5px 11px;border-radius:999px;background:var(--bamboo-050);color:var(--bamboo-700);letter-spacing:.02em}

/* ---------- 页头 ---------- */
.page-head{padding:36px 0 0}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:26px}
.crumbs a{transition:color var(--t)}
.crumbs a:hover{color:var(--bamboo-700)}
.crumbs .sep{opacity:.55}
.crumbs .cur{color:var(--ink-900);font-weight:600}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;letter-spacing:.1em;color:var(--bamboo-700);font-weight:700}
.eyebrow::before{content:"";display:block;width:16px;height:2px;background:var(--clay);border-radius:2px}
.page-title{font-size:clamp(28px,3.6vw,44px);margin:14px 0 18px;max-width:16em;line-height:1.2}
.lede{font-size:17px;line-height:1.9;color:var(--text-2);max-width:760px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{font-size:12.5px;padding:7px 14px;border-radius:999px;background:var(--bamboo-050);color:var(--bamboo-700);border:1px solid transparent}

/* ---------- 对比区 ---------- */
.gear-grid{display:grid;grid-template-columns:200px minmax(0,1fr);gap:36px;align-items:start}
.filter-col{position:sticky;top:36px}
.filter-title{font-size:12.5px;letter-spacing:.1em;color:var(--text-2);margin-bottom:12px}
.filter-list{display:flex;flex-direction:column;gap:6px}
.filter-item{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:14.5px;color:var(--text-2);padding:10px 14px;border-radius:10px;
  border:1px solid transparent;transition:background var(--t),color var(--t),border-color var(--t);
}
.filter-item::after{content:"·";color:var(--bamboo-300);font-weight:700}
.filter-item.is-on{background:var(--paper-soft);border-color:var(--line);color:var(--ink-900);font-weight:700;box-shadow:var(--sh-1)}
.filter-note{font-size:12.5px;line-height:1.75;color:var(--text-2);margin-top:14px;padding-left:2px}

.cmp-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.cmp-card{
  position:relative;display:flex;flex-direction:column;gap:13px;
  background:var(--paper-soft);border:1px solid var(--line);border-radius:var(--r-card);
  padding:34px 24px 24px;box-shadow:var(--sh-1);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.cmp-card:hover{transform:translateY(-3px);border-color:var(--bamboo-300);box-shadow:var(--sh-2)}
.cmp-strip{position:absolute;left:0;right:0;top:0;height:12px;border-radius:var(--r-card) var(--r-card) 0 0}
.cmp-card h3{font-size:20px}
.cmp-sub{font-size:13px;color:var(--text-2);margin-top:-6px}
.cmp-list{list-style:none;display:flex;flex-direction:column;gap:9px;margin-top:2px}
.cmp-list li{position:relative;padding-left:16px;font-size:14px;line-height:1.75;color:var(--ink-700)}
.cmp-list li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--bamboo-600)}
.cmp-scene{font-size:13px;line-height:1.75;color:var(--text-2);border-top:1px solid var(--line);padding-top:12px;margin-top:auto}
.cmp-card .text-btn{margin-top:2px;align-self:flex-start}

.tip-bar{
  display:flex;gap:14px;align-items:flex-start;margin-top:28px;
  font-size:13px;line-height:1.8;color:var(--text-2);
  background:var(--paper-soft);border:1px solid var(--line);border-left:3px solid var(--clay);
  border-radius:10px;padding:16px 20px;
}
.tip-bar strong{flex:0 0 auto;color:var(--ink-900);font-size:13px;letter-spacing:.04em}

/* ---------- 清单区 ---------- */
.pick-board{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);gap:40px;align-items:start;
  background:var(--bamboo-050);border-radius:var(--r-card);padding:40px;
}
.pick-intro h2{font-size:clamp(21px,2.2vw,27px);position:relative;padding-left:16px}
.pick-intro h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--bamboo-700)}
.pick-intro p{font-size:15px;line-height:1.85;color:var(--ink-700);margin:14px 0 22px;padding-left:16px}
.pick-intro .btn{margin-left:16px}
.check-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px 32px}
.check-list li{position:relative;padding-left:18px;font-size:14.5px;line-height:1.8;color:var(--ink-700)}
.check-list li::before{content:"";position:absolute;left:0;top:.74em;width:6px;height:6px;border-radius:50%;background:var(--bamboo-700)}

/* ---------- 图文条目 ---------- */
.entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.entry-card{
  display:grid;grid-template-columns:42% minmax(0,1fr);
  background:var(--paper-soft);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.entry-card:hover{transform:translateY(-3px);border-color:var(--bamboo-300);box-shadow:var(--sh-2)}
.entry-media{position:relative;overflow:hidden;min-height:212px;background:var(--bamboo-050)}
.entry-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.entry-card:hover .entry-media img{transform:scale(1.04)}
.entry-body{display:flex;flex-direction:column;gap:10px;padding:24px 24px 22px}
.entry-body h3{font-size:18.5px;line-height:1.4}
.entry-body p{font-size:14px;line-height:1.8;color:var(--text-2)}
.entry-meta{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:6px}
.entry-meta .text-btn{font-size:13.5px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:220px minmax(0,1fr);gap:48px;align-items:start}
.faq-side h2{font-size:clamp(21px,2.2vw,27px);position:relative;padding-left:16px}
.faq-side h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--bamboo-700)}
.faq-side p{font-size:13.5px;line-height:1.85;color:var(--text-2);margin:14px 0 18px;padding-left:16px}
.faq-side .text-btn{margin-left:16px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-btn{
  position:relative;width:100%;background:none;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--ink-900);font-family:var(--font-sans);
  line-height:1.6;transition:color var(--t);
}
.faq-btn::before{content:"";position:absolute;left:-16px;top:22px;bottom:22px;width:2px;border-radius:2px;background:var(--bamboo-700);opacity:0;transition:opacity var(--t)}
.faq-item.is-open .faq-btn{color:var(--bamboo-700)}
.faq-item.is-open .faq-btn::before{opacity:1}
.faq-btn:hover{color:var(--bamboo-700)}
.faq-sign{position:relative;flex:0 0 auto;width:16px;height:16px;margin-top:6px;transition:transform var(--t)}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;background:var(--bamboo-700);border-radius:2px}
.faq-sign::before{left:0;top:7px;width:16px;height:1.8px}
.faq-sign::after{left:7px;top:0;width:1.8px;height:16px}
.faq-item.is-open .faq-sign{transform:rotate(45deg)}
.faq-panel{max-height:0;overflow:hidden;transition:max-height 260ms cubic-bezier(.2,.7,.2,1)}
.faq-panel p{font-size:15px;line-height:1.9;color:var(--text-2);padding:0 40px 22px 0;max-width:720px}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:var(--ink-900);color:var(--paper);border-radius:var(--r-card);padding:44px 40px;
}
.cta-band h2{color:var(--paper);font-size:clamp(21px,2.3vw,28px);max-width:20em}
.cta-band p{font-size:14px;line-height:1.8;color:rgba(247,244,236,.7);margin-top:12px;max-width:34em}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:var(--paper);margin-top:64px}
.site-footer .wrap{max-width:1200px;margin:0 auto;padding:56px 40px 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;gap:12px;align-items:flex-start}
.footer-brand .logo-mark{color:var(--bamboo-300);margin-top:2px}
.brand-name{font-family:var(--font-serif);font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--paper)}
.footer-brand p{font-size:13px;line-height:1.8;color:rgba(247,244,236,.66);margin-top:8px;max-width:24em}
.site-footer h4{font-family:var(--font-sans);font-size:14px;font-weight:700;color:var(--paper);margin:0 0 16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(247,244,236,.72);transition:color var(--t);width:fit-content}
.footer-links a:hover{color:var(--bamboo-300)}
.footer-qr{font-size:12px;line-height:1.7;color:rgba(247,244,236,.55);border:1px dashed rgba(247,244,236,.28);border-radius:10px;padding:14px;text-align:center;width:124px}
.footer-bottom{
  border-top:1px solid rgba(247,244,236,.12);margin-top:40px;padding-top:20px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,244,236,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .cmp-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cmp-card:last-child{grid-column:1 / -1}
}
@media (max-width:1023px){
  .layout{display:block}
  .sidebar{
    position:sticky;top:0;width:auto;height:auto;flex:none;
    border-right:0;border-bottom:1px solid var(--line);
    padding:12px 28px;gap:0;overflow:visible;
    background:rgba(247,244,236,.97);backdrop-filter:blur(8px);z-index:90;
  }
  .burger{display:inline-flex}
  .side-panel{
    position:fixed;inset:0;display:none;flex-direction:column;gap:20px;
    background:var(--paper);padding:84px 28px 36px;overflow-y:auto;z-index:70;
  }
  .sidebar.is-open .side-panel{display:flex}
  .nav-item{font-size:19px;padding:14px 12px}
  .nav-num{font-size:14px;width:26px}
  .nav-arrow{opacity:1;transform:none}
  .side-card{border-top:1px solid var(--line);margin-top:8px}
  .container{padding:0 28px}
  .gear-grid{grid-template-columns:minmax(0,1fr);gap:24px}
  .filter-col{position:static}
  .filter-list{flex-direction:row;flex-wrap:wrap}
  .filter-item{border:1px solid var(--line);background:var(--paper-soft);font-size:13.5px;padding:8px 14px}
  .filter-item::after{display:none}
  .pick-board{grid-template-columns:minmax(0,1fr);gap:28px;padding:32px 28px}
  .faq-wrap{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .site-footer .wrap{padding:48px 28px 24px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .section{padding:48px 0}
  .container{padding:0 20px}
  .sidebar{padding:12px 20px}
  .side-panel{padding:80px 20px 32px}
  .page-head{padding:26px 0 0}
  .page-title{font-size:29px;line-height:1.28}
  .lede{font-size:16px;line-height:1.9}
  .cmp-grid{grid-template-columns:minmax(0,1fr)}
  .cmp-card:last-child{grid-column:auto}
  .entry-grid{grid-template-columns:minmax(0,1fr)}
  .entry-card{grid-template-columns:minmax(0,1fr)}
  .entry-media{min-height:190px}
  .check-list{grid-template-columns:minmax(0,1fr);gap:12px}
  .section-head{align-items:flex-start;flex-direction:column;gap:14px}
  .cta-band{padding:32px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto;justify-content:center}
  .faq-panel p{padding-right:0}
  .site-footer .wrap{padding:40px 20px 20px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .pick-intro .btn,.faq-side .text-btn{margin-left:0}
  .pick-intro p,.faq-side p{padding-left:0}
}
@media (max-width:520px){
  .page-title{font-size:26px}
  .chip{font-size:12px;padding:6px 12px}
  .footer-qr{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .cmp-card:hover,.entry-card:hover,.btn:hover{transform:none!important}
  .entry-card:hover .entry-media img{transform:none!important}
}

/* roulang page: category5 */
:root{
  --ink-900:#14181B;
  --ink-700:#2A3033;
  --bamboo-700:#245A44;
  --bamboo-600:#2F6E52;
  --bamboo-300:#9CC0AC;
  --bamboo-050:#E4EDE6;
  --paper:#F7F4EC;
  --paper-soft:#FFFDF8;
  --clay:#C2553A;
  --line:#E3DDCF;
  --text-2:#5C6461;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(20,24,27,.05);
  --shadow-2:0 10px 28px -12px rgba(20,24,27,.18);
  --dur:200ms;
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--bamboo-600);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink-900);color:var(--paper);padding:10px 18px;border-radius:0 0 10px 0;z-index:300}
.skip:focus{left:0}

/* 布局骨架 */
.layout{display:grid;grid-template-columns:244px minmax(0,1fr);align-items:start}
.sidebar{
  position:sticky;top:0;height:100vh;overflow-y:auto;
  display:flex;flex-direction:column;
  padding:26px 18px 22px;
  border-right:1px solid var(--line);
  background:var(--paper);
}
.main{min-width:0;padding:0 0 96px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}

/* 品牌 */
.side-brand{display:flex;gap:12px;align-items:flex-start;padding:4px 8px 0}
.logo-mark{width:32px;height:32px;flex:none;color:var(--bamboo-700)}
.brand-name{
  display:block;
  font-family:var(--font-serif);
  font-size:16px;font-weight:700;line-height:1.4;
  color:var(--ink-900);letter-spacing:.01em;
}
.side-brand p{margin-top:5px;font-size:12px;line-height:1.6;color:var(--text-2)}
.side-divider{height:1px;background:var(--line);margin:18px 8px}

/* 导航 */
.nav{display:flex;flex-direction:column;gap:2px}
.nav-label{display:block;padding:0 12px 8px;font-size:13px;letter-spacing:.08em;color:var(--text-2)}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:10px;
  color:var(--ink-700);
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-item::before{
  content:"";position:absolute;left:0;top:50%;width:2px;height:70%;
  background:var(--clay);border-radius:2px;
  transform:translateY(-50%) scaleY(0);transform-origin:center;
  transition:transform var(--dur) var(--ease);
}
.nav-item:hover{background:var(--bamboo-050);color:var(--bamboo-700)}
.nav-item:hover::before{transform:translateY(-50%) scaleY(1)}
.nav-num{width:20px;flex:none;font-size:13px;color:var(--text-2);font-variant-numeric:tabular-nums}
.nav-text{flex:1;font-size:15px;line-height:1.5}
.nav-arrow{font-size:13px;color:var(--bamboo-300);opacity:0;transform:translateX(-4px);transition:all var(--dur) var(--ease)}
.nav-item:hover .nav-arrow{opacity:1;transform:translateX(0)}
.nav-item.is-active{background:var(--bamboo-050);color:var(--bamboo-700);font-weight:700}
.nav-item.is-active::before{transform:translateY(-50%) scaleY(1)}
.nav-item.is-active .nav-num{color:var(--bamboo-700);font-weight:700}
.nav-item.is-active .nav-arrow{opacity:1;transform:translateX(0);color:var(--bamboo-700)}
.side-card{margin-top:auto;padding:16px 12px 0;border-top:1px solid var(--line)}
.side-card p{margin-top:12px;font-size:13px;line-height:1.7;color:var(--text-2)}

/* 胶囊按钮 */
.pill-btn{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--ink-900);border-radius:999px;
  padding:8px 16px;font-size:13px;line-height:1.4;
  color:var(--ink-900);background:transparent;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.pill-btn:hover{background:var(--ink-900);color:var(--paper);transform:translateY(-1px)}
.pill-btn.is-on{background:var(--bamboo-700);border-color:var(--bamboo-700);color:var(--paper)}

/* 移动顶栏与抽屉 */
.topbar{display:none}
.drawer{display:none}
.drawer[hidden]{display:none}
.hamburger{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;font-size:13px;color:var(--ink-900);background:var(--paper-soft);
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.hamburger:hover{border-color:var(--bamboo-300);background:var(--bamboo-050)}
.topbar-brand{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-brand .logo-mark{width:28px;height:28px}
.topbar-brand .brand-name{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* 页头 */
.page-hero{padding:36px 0 4px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.crumb a{color:var(--text-2);transition:color var(--dur) var(--ease)}
.crumb a:hover{color:var(--bamboo-700)}
.crumb .sep{color:var(--bamboo-300)}
.crumb .current{color:var(--ink-900)}
.eyebrow{
  display:flex;align-items:center;gap:10px;margin-top:30px;
  font-size:13px;letter-spacing:.08em;color:var(--bamboo-700);
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--bamboo-300)}
.page-title{
  margin-top:14px;
  font-family:var(--font-serif);
  font-size:clamp(28px,4vw,46px);
  font-weight:700;line-height:1.18;letter-spacing:-.01em;
  color:var(--ink-900);
}
.page-title .brand-tail{display:block;margin-top:6px;font-size:clamp(16px,2vw,20px);font-weight:500;color:var(--bamboo-700);letter-spacing:.02em}
.lede{margin-top:20px;max-width:720px;font-size:17px;line-height:1.9;color:var(--ink-700)}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;
  padding:6px 12px;border-radius:999px;
  background:var(--bamboo-050);color:var(--bamboo-700);
  font-size:12px;letter-spacing:.04em;line-height:1.6;
}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.btn-primary{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 24px;border-radius:var(--radius-btn);
  background:var(--bamboo-600);color:var(--paper-soft);
  font-size:15px;font-weight:500;line-height:1.4;
  transition:background var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-primary:hover{background:var(--bamboo-700);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 24px;border-radius:var(--radius-btn);
  border:1px solid var(--ink-900);color:var(--ink-900);background:transparent;
  font-size:15px;line-height:1.4;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn-ghost:hover{background:var(--bamboo-050);border-color:var(--bamboo-600);color:var(--bamboo-700);transform:translateY(-1px)}

/* 板块 */
.section{padding-top:80px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.sec-title{
  position:relative;padding-left:14px;
  font-family:var(--font-serif);
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;line-height:1.28;color:var(--ink-900);
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.16em;
  width:4px;height:.9em;background:var(--bamboo-700);border-radius:2px;
}
.sec-sub{margin-top:12px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:640px}
.link-more{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--bamboo-700);padding-bottom:2px;
}
.link-more::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--bamboo-600);transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.link-more:hover::after{transform:scaleX(1)}

/* 说明区 */
.note-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:28px;align-items:stretch;margin-top:32px}
.note-col{display:flex;flex-direction:column;gap:20px}
.note-card{
  background:var(--paper-soft);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
  box-shadow:var(--shadow-1);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.note-card:hover{border-color:var(--bamboo-300);box-shadow:var(--shadow-2);transform:translateY(-3px)}
.note-card h3{font-size:20px;font-weight:700;line-height:1.45;color:var(--ink-900)}
.note-card p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--text-2)}
.note-meta{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-size:12px;letter-spacing:.08em;color:var(--bamboo-700);
  background:var(--bamboo-050);border-radius:999px;padding:4px 12px;
}
.figure{
  position:relative;overflow:hidden;
  border-radius:var(--radius-img);
  border:1px solid var(--line);
  background:var(--paper-soft);
  min-height:300px;height:100%;
}
.figure img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.figure:hover img{transform:scale(1.04)}
.figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 18px;font-size:13px;line-height:1.6;
  color:var(--paper);background:linear-gradient(180deg,rgba(20,24,27,0) 0%,rgba(20,24,27,.72) 100%);
}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:200px minmax(0,1fr);gap:48px;align-items:start;margin-top:32px}
.faq-aside{position:sticky;top:32px}
.faq-aside h2{
  position:relative;padding-left:14px;
  font-family:var(--font-serif);font-size:26px;font-weight:700;line-height:1.3;color:var(--ink-900);
}
.faq-aside h2::before{content:"";position:absolute;left:0;top:.16em;width:4px;height:.9em;background:var(--bamboo-700);border-radius:2px}
.faq-aside p{margin-top:14px;font-size:13px;line-height:1.8;color:var(--text-2)}
.faq-contact{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;line-height:1.9;color:var(--text-2)}
.faq-contact strong{display:block;color:var(--ink-900);font-weight:600;font-size:13px;margin-bottom:4px}
.faq-group + .faq-group{margin-top:36px}
.group-title{
  display:flex;align-items:center;gap:10px;
  padding-bottom:12px;margin-bottom:4px;
  border-bottom:1px solid var(--line);
  font-size:13px;letter-spacing:.08em;color:var(--text-2);
}
.group-title .dot{width:6px;height:6px;border-radius:50%;background:var(--clay)}
.faq-item{position:relative;border-bottom:1px solid var(--line)}
.faq-item::before{
  content:"";position:absolute;left:-16px;top:18px;bottom:18px;width:2px;
  background:var(--bamboo-700);border-radius:2px;
  transform:scaleY(0);transform-origin:top;
  transition:transform var(--dur) var(--ease);
}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-q{
  display:flex;align-items:flex-start;gap:16px;width:100%;
  padding:20px 0;text-align:left;
  font-size:17px;font-weight:600;line-height:1.65;color:var(--ink-900);
  transition:color var(--dur) var(--ease);
}
.faq-q:hover{color:var(--bamboo-700)}
.faq-ic{position:relative;width:16px;height:16px;flex:none;margin-top:6px}
.faq-ic::before,.faq-ic::after{
  content:"";position:absolute;background:var(--bamboo-700);border-radius:1px;
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.faq-ic::before{left:0;top:7px;width:16px;height:2px}
.faq-ic::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-ic::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms var(--ease)}
.faq-a-inner{padding:0 40px 22px 32px;font-size:15px;line-height:1.9;color:var(--text-2)}

/* 留言区 */
.form-band{
  margin-top:32px;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:32px;align-items:center;
  background:var(--bamboo-050);
  border-radius:var(--radius-card);
  padding:34px;
}
.form-band h2{font-family:var(--font-serif);font-size:26px;font-weight:700;line-height:1.3;color:var(--ink-900)}
.form-band p{margin-top:10px;font-size:14px;line-height:1.85;color:var(--ink-700)}
.field-row{display:flex;gap:12px}
.input{
  flex:1;min-width:0;height:48px;
  padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--paper-soft);
  font-size:15px;color:var(--ink-900);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.input::placeholder{color:var(--text-2)}
.input:focus{outline:none;border-color:var(--bamboo-600);box-shadow:0 0 0 3px rgba(47,110,82,.16)}
.form-hint{display:none;margin-top:8px;font-size:13px;color:var(--clay)}
.form-hint.show{display:block}
.form-ok{display:none;margin-top:8px;font-size:13px;color:var(--bamboo-700)}
.form-ok.show{display:block}

/* 入口卡 */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-top:32px}
.entry-card{
  display:flex;flex-direction:column;
  background:var(--paper-soft);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.entry-card:hover{transform:translateY(-3px);border-color:var(--bamboo-300);box-shadow:var(--shadow-2)}
.entry-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bamboo-050)}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
.entry-card:hover .entry-thumb img{transform:scale(1.04)}
.entry-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.entry-body h3{font-size:19px;font-weight:700;line-height:1.45;color:var(--ink-900)}
.entry-body p{font-size:14px;line-height:1.8;color:var(--text-2)}
.entry-link{margin-top:auto;font-size:14px;color:var(--bamboo-700);display:inline-flex;align-items:center;gap:8px}
.entry-card:hover .entry-link{color:var(--bamboo-600)}

/* CTA 条 */
.cta-band{
  margin-top:80px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:46px 40px;
  background:var(--ink-900);
  border-radius:var(--radius-card);
}
.cta-band h2{font-family:var(--font-serif);font-size:26px;font-weight:700;line-height:1.35;color:var(--paper)}
.cta-band p{margin-top:10px;font-size:13px;line-height:1.8;color:rgba(247,244,236,.68)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.pill-light{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;
  border:1px solid rgba(247,244,236,.42);
  font-size:14px;line-height:1.4;color:var(--paper);background:transparent;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.pill-light:hover{background:rgba(247,244,236,.14);border-color:rgba(247,244,236,.72);transform:translateY(-1px)}
.pill-light.is-on{background:var(--bamboo-600);border-color:var(--bamboo-600)}

/* 页脚 */
.site-footer{
  margin-top:96px;
  padding:64px 0 26px;
  background:var(--ink-900);
  color:var(--paper);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;gap:12px;align-items:flex-start}
.footer-brand .logo-mark{width:32px;height:32px;color:rgba(247,244,236,.86)}
.site-footer .brand-name{color:var(--paper);font-size:16px}
.footer-brand p{margin-top:8px;font-size:13px;line-height:1.75;color:rgba(247,244,236,.6);max-width:280px}
.site-footer h4{margin:0 0 16px;font-size:13px;font-weight:500;letter-spacing:.08em;color:rgba(247,244,236,.5)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;line-height:1.6;color:rgba(247,244,236,.74);transition:color var(--dur) var(--ease)}
.footer-links a:hover{color:var(--paper)}
.footer-qr{
  width:104px;height:104px;margin-top:16px;padding:8px;
  display:flex;align-items:center;justify-content:center;text-align:center;
  border:1px dashed rgba(247,244,236,.3);border-radius:10px;
  font-size:12px;line-height:1.6;color:rgba(247,244,236,.55);
}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:rgba(247,244,236,.55);
}

/* 提示条 */
.toast{
  position:fixed;left:50%;bottom:32px;z-index:300;
  transform:translateX(-50%) translateY(14px);
  padding:10px 20px;border-radius:999px;
  background:var(--ink-900);color:var(--paper);
  font-size:14px;line-height:1.5;
  opacity:0;pointer-events:none;
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* 进入动效 */
@keyframes riseIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.rise{animation:riseIn 520ms var(--ease) both}
.rise-2{animation-delay:90ms}
.rise-3{animation-delay:180ms}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .entry-card:hover,.note-card:hover,.btn-primary:hover,.btn-ghost:hover,.pill-btn:hover{transform:none!important}
  .entry-card:hover .entry-thumb img,.figure:hover img{transform:none!important}
}

/* 响应式 */
@media (max-width:1279px){
  .layout{grid-template-columns:224px minmax(0,1fr)}
  .wrap{padding:0 32px}
}
@media (max-width:1023px){
  .layout{display:block}
  .sidebar{display:none}
  .topbar{
    display:flex;position:sticky;top:0;z-index:80;
    align-items:center;justify-content:space-between;gap:12px;
    padding:12px 20px;
    background:rgba(247,244,236,.95);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .drawer{
    display:block;
    position:fixed;inset:0;z-index:200;
    padding:20px 20px 32px;
    background:var(--paper);
    overflow-y:auto;
  }
  .drawer[hidden]{display:none}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:24px}
  .drawer-head .brand-name{font-size:16px}
  .drawer-close{
    border:1px solid var(--line);border-radius:999px;
    padding:8px 16px;font-size:13px;color:var(--ink-900);background:var(--paper-soft);
  }
  .drawer .nav-item{padding:15px 12px;border-radius:12px}
  .drawer .nav-text{order:1;font-size:19px;font-weight:500}
  .drawer .nav-num{order:3;width:auto;margin-left:auto;font-size:13px}
  .drawer .nav-arrow{display:none}
  .drawer .nav-item.is-active .nav-text{font-weight:700}
  .drawer-foot{margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}
  .drawer-foot p{margin-top:12px;font-size:13px;line-height:1.8;color:var(--text-2)}
  .main{padding-bottom:64px}
  .wrap{padding:0 24px}
  .note-grid{grid-template-columns:1fr}
  .figure{min-height:240px;height:240px}
  .faq-grid{grid-template-columns:1fr;gap:24px}
  .faq-aside{position:static}
  .faq-aside h2{font-size:24px}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .form-band{grid-template-columns:1fr;padding:28px}
  .section{padding-top:56px}
  .cta-band{margin-top:56px;padding:34px 28px}
  .site-footer{margin-top:64px;padding:48px 0 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-bottom{margin-top:32px}
}
@media (max-width:639px){
  .wrap{padding:0 20px}
  .page-hero{padding:26px 0 0}
  .lede{font-size:16px}
  .btn-row{flex-direction:column;align-items:stretch}
  .btn-primary,.btn-ghost{justify-content:center}
  .entry-grid{grid-template-columns:1fr;gap:16px}
  .faq-q{font-size:16px;padding:18px 0}
  .faq-a-inner{padding:0 8px 20px 32px}
  .faq-item::before{left:-10px}
  .form-band{padding:22px}
  .field-row{flex-direction:column}
  .input{width:100%}
  .form-band .btn-primary{width:100%;justify-content:center}
  .cta-band{padding:28px 22px}
  .cta-actions{width:100%}
  .pill-light{flex:1;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .toast{left:20px;right:20px;bottom:20px;transform:translateY(14px);border-radius:14px;text-align:center}
  .toast.show{transform:translateY(0)}
}

/* roulang page: category6 */
:root{
    --ink-900:#14181B;
    --ink-700:#2A3033;
    --bamboo-700:#245A44;
    --bamboo-600:#2F6E52;
    --bamboo-300:#9CC0AC;
    --bamboo-050:#E4EDE6;
    --paper:#F7F4EC;
    --paper-soft:#FFFDF8;
    --clay:#C2553A;
    --line:#E3DDCF;
    --text-2:#5C6461;
    --r-card:14px;
    --r-btn:10px;
    --shadow-1:0 1px 2px rgba(20,24,27,.05);
    --shadow-2:0 10px 28px -12px rgba(20,24,27,.18);
    --ease:cubic-bezier(.2,.7,.2,1);
    --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
    --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  .page-body{
    margin:0;
    background:var(--paper);
    color:var(--ink-700);
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  .page-body a{color:inherit}
  .page-body img{max-width:100%;display:block}
  .page-body button{font-family:inherit}
  .page-body ul,.page-body ol{margin:0;padding:0;list-style:none}

  /* ---------- 布局骨架 ---------- */
  .shell{
    display:grid;
    grid-template-columns:264px minmax(0,1fr);
    min-height:100vh;
  }
  .main-area{min-width:0;display:flex;flex-direction:column}
  .wrap{
    width:100%;
    max-width:1120px;
    margin:0 auto;
    padding:0 40px;
  }
  .sec{margin-top:96px}

  /* ---------- 左侧导航 ---------- */
  .sidebar{
    position:sticky;
    top:0;
    height:100vh;
    display:flex;
    flex-direction:column;
    padding:28px 20px 24px;
    border-right:1px solid var(--line);
    background:var(--paper);
    overflow-y:auto;
    z-index:60;
  }
  .brand{
    display:flex;
    align-items:center;
    gap:10px;
    padding:6px 8px 18px;
    text-decoration:none;
  }
  .brand-mark{
    width:34px;height:34px;flex:none;color:var(--bamboo-700);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.35}
  .brand-title{
    font-family:var(--font-serif);
    font-size:15px;
    font-weight:700;
    color:var(--ink-900);
    letter-spacing:.01em;
  }
  .brand-sub{
    font-size:11px;
    color:var(--text-2);
    letter-spacing:.1em;
    margin-top:4px;
  }
  .sidebar-rule{height:1px;background:var(--line);margin:0 8px 14px}
  .nav{display:flex;flex-direction:column;gap:2px}
  .nav-label{
    font-size:11px;
    letter-spacing:.16em;
    color:var(--text-2);
    padding:6px 12px 10px;
    display:block;
  }
  .nav-item{
    position:relative;
    display:flex;
    align-items:center;
    gap:10px;
    padding:10px 12px;
    border-radius:var(--r-btn);
    text-decoration:none;
    font-size:15px;
    color:var(--ink-700);
    transition:background .2s var(--ease),color .2s var(--ease);
  }
  .nav-item::before{
    content:"";
    position:absolute;
    left:0;top:50%;
    width:2px;height:0;
    background:var(--clay);
    border-radius:2px;
    transform:translateY(-50%);
    transition:height .2s var(--ease);
  }
  .nav-item:hover{background:var(--bamboo-050)}
  .nav-item:hover::before{height:56%}
  .nav-item:focus-visible{outline:2px solid var(--bamboo-600);outline-offset:2px}
  .nav-item.is-active{
    background:var(--bamboo-050);
    color:var(--bamboo-700);
    font-weight:700;
  }
  .nav-item.is-active::before{height:68%}
  .nav-num{
    font-size:12px;
    letter-spacing:.08em;
    color:var(--clay);
    min-width:20px;
    font-family:Georgia,serif;
  }
  .nav-arrow{
    margin-left:auto;
    font-size:13px;
    opacity:0;
    transform:translateX(-3px);
    transition:opacity .2s var(--ease),transform .2s var(--ease);
  }
  .nav-item:hover .nav-arrow,
  .nav-item.is-active .nav-arrow{opacity:1;transform:translateX(0)}

  .sidebar-foot{
    margin-top:auto;
    padding:16px 8px 0;
    border-top:1px solid var(--line);
  }
  .sidebar-foot p{
    margin:12px 0 0;
    font-size:12px;
    line-height:1.7;
    color:var(--text-2);
  }
  .pill-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:6px;
    padding:9px 18px;
    border-radius:999px;
    border:1px solid var(--ink-900);
    background:transparent;
    color:var(--ink-900);
    font-size:13px;
    letter-spacing:.02em;
    cursor:pointer;
    transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
  }
  .pill-btn:hover{background:var(--bamboo-050);transform:translateY(-1px)}
  .pill-btn:focus-visible{outline:2px solid var(--bamboo-600);outline-offset:2px}

  .menu-btn{
    display:none;
    width:42px;height:42px;
    border:1px solid var(--line);
    border-radius:var(--r-btn);
    background:var(--paper-soft);
    cursor:pointer;
    align-items:center;
    justify-content:center;
    flex-direction:column;
    gap:4px;
  }
  .menu-btn span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
  .sidebar.nav-open .menu-btn span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .sidebar.nav-open .menu-btn span:nth-child(2){opacity:0}
  .sidebar.nav-open .menu-btn span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

  /* ---------- 面包屑与页头 ---------- */
  .crumbs{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    padding-top:32px;
    font-size:13px;
    color:var(--text-2);
  }
  .crumbs a{text-decoration:none;color:var(--text-2);transition:color .2s var(--ease)}
  .crumbs a:hover{color:var(--bamboo-700)}
  .crumbs .sep{color:var(--line)}
  .crumbs .current{color:var(--ink-900)}

  .page-head{padding-top:36px;border-bottom:1px solid var(--line);padding-bottom:40px}
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:12px;
    letter-spacing:.14em;
    color:var(--bamboo-700);
    margin:0 0 18px;
  }
  .eyebrow::before{content:"";display:block;width:22px;height:1px;background:var(--bamboo-700)}
  .page-title{
    font-family:var(--font-serif);
    font-size:44px;
    line-height:1.15;
    font-weight:700;
    letter-spacing:-.01em;
    color:var(--ink-900);
    margin:0;
  }
  .page-lead{
    max-width:720px;
    margin:20px 0 0;
    font-size:17px;
    line-height:1.9;
    color:var(--text-2);
  }
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
  .badge{
    display:inline-flex;
    align-items:center;
    padding:5px 12px;
    border-radius:999px;
    background:var(--bamboo-050);
    color:var(--bamboo-700);
    font-size:12px;
    letter-spacing:.03em;
    white-space:nowrap;
  }
  .badge.plain{background:transparent;border:1px solid var(--line);color:var(--text-2)}

  /* ---------- 通用板块标题 ---------- */
  .sec-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:20px;
    margin-bottom:32px;
  }
  .sec-title{
    position:relative;
    font-family:var(--font-serif);
    font-size:30px;
    line-height:1.3;
    font-weight:700;
    color:var(--ink-900);
    margin:0;
    padding-left:16px;
  }
  .sec-title::before{
    content:"";
    position:absolute;
    left:0;top:.18em;
    width:4px;height:.9em;
    border-radius:2px;
    background:var(--bamboo-700);
  }
  .sec-note{
    font-size:13px;
    color:var(--text-2);
    margin:0;
    max-width:420px;
    text-align:right;
  }
  .text-btn{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    color:var(--bamboo-700);
    text-decoration:none;
    background:none;
    border:none;
    padding:0;
    cursor:pointer;
    position:relative;
  }
  .text-btn::after{
    content:"";
    position:absolute;
    left:0;bottom:-3px;
    width:100%;height:1px;
    background:var(--bamboo-700);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .2s var(--ease);
  }
  .text-btn:hover::after{transform:scaleX(1)}
  .text-btn:focus-visible{outline:2px solid var(--bamboo-600);outline-offset:3px}

  /* ---------- 公告流 ---------- */
  .board{margin-top:88px}
  .board-count{
    font-size:13px;
    color:var(--text-2);
    font-family:Georgia,serif;
    letter-spacing:.06em;
  }
  .notice-list{
    border-top:1px solid var(--line);
  }
  .notice{
    display:grid;
    grid-template-columns:112px minmax(0,1fr);
    gap:32px;
    padding:30px 4px;
    border-bottom:1px solid var(--line);
    transition:background .2s var(--ease),padding-left .2s var(--ease);
    border-radius:0;
  }
  .notice:hover{
    background:var(--paper-soft);
    padding-left:14px;
  }
  .notice-date{
    display:flex;
    flex-direction:column;
    line-height:1;
    padding-top:2px;
  }
  .notice-day{
    font-family:Georgia,serif;
    font-size:42px;
    color:var(--ink-900);
    letter-spacing:-.02em;
  }
  .notice-month{
    margin-top:8px;
    font-size:12px;
    letter-spacing:.1em;
    color:var(--text-2);
    font-family:Georgia,serif;
  }
  .notice-body{min-width:0}
  .notice-kicker{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px}
  .notice-title{
    font-family:var(--font-serif);
    font-size:20px;
    line-height:1.5;
    font-weight:700;
    color:var(--ink-900);
    margin:0;
  }
  .notice-text{
    margin:10px 0 0;
    font-size:15px;
    line-height:1.9;
    color:var(--text-2);
    max-width:720px;
  }

  /* ---------- 深色引用卡 ---------- */
  .quote-band{
    position:relative;
    margin:56px 0;
    padding:56px 48px;
    border-radius:var(--r-card);
    background:var(--ink-900);
    color:var(--paper);
    overflow:hidden;
    isolation:isolate;
  }
  .quote-band::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:url(/assets/images/backpic/back-2.webp);
    background-size:cover;
    background-position:center;
    opacity:.22;
    z-index:-1;
  }
  .quote-band::after{
    content:"";
    position:absolute;
    left:48px;top:36px;
    width:38px;height:3px;
    background:var(--clay);
    border-radius:2px;
  }
  .quote-text{
    position:relative;
    max-width:720px;
    margin:0;
    font-family:var(--font-serif);
    font-size:22px;
    line-height:1.75;
    color:#F7F4EC;
  }
  .quote-src{
    display:block;
    margin:22px 0 0;
    font-size:13px;
    letter-spacing:.06em;
    color:rgba(247,244,236,.62);
  }

  /* ---------- 三道核对 ---------- */
  .check-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:24px;
    margin-top:32px;
  }
  .check-card{
    background:var(--paper-soft);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:26px 24px;
    box-shadow:var(--shadow-1);
    transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .check-card:hover{
    transform:translateY(-3px);
    border-color:var(--bamboo-300);
    box-shadow:var(--shadow-2);
  }
  .check-num{
    font-family:Georgia,serif;
    font-size:13px;
    letter-spacing:.12em;
    color:var(--clay);
  }
  .check-title{
    font-family:var(--font-serif);
    font-size:19px;
    font-weight:700;
    color:var(--ink-900);
    margin:12px 0 8px;
  }
  .check-text{margin:0;font-size:14px;line-height:1.85;color:var(--text-2)}

  /* ---------- 品牌印记 ---------- */
  .brand-sec{
    display:grid;
    grid-template-columns:1.05fr .95fr;
    gap:48px;
    align-items:center;
    margin-top:96px;
  }
  .brand-lockup{display:flex;align-items:center;gap:14px;margin-bottom:20px}
  .brand-lockup .logo-mark{width:46px;height:46px;color:var(--bamboo-700);flex:none}
  .brand-lockup span{
    font-family:var(--font-serif);
    font-size:15px;
    letter-spacing:.06em;
    color:var(--text-2);
  }
  .brand-copy p{margin:0 0 16px;font-size:15.5px;line-height:1.95;color:var(--text-2)}
  .brand-copy p:last-child{margin-bottom:0}
  .brand-figure{margin:0}
  .img-frame{
    border-radius:var(--r-card);
    overflow:hidden;
    border:1px solid var(--line);
    background:var(--bamboo-050);
  }
  .img-frame img{
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
    transition:transform .2s var(--ease);
  }
  .brand-figure .img-frame:hover img{transform:scale(1.03)}
  .brand-figure figcaption{
    margin-top:12px;
    font-size:13px;
    color:var(--text-2);
    text-align:center;
  }

  /* ---------- FAQ ---------- */
  .faq-wrap{
    display:grid;
    grid-template-columns:240px minmax(0,1fr);
    gap:48px;
    margin-top:96px;
  }
  .faq-aside p{
    margin:16px 0 18px;
    font-size:13px;
    line-height:1.85;
    color:var(--text-2);
  }
  .faq-list{border-top:1px solid var(--line)}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-q{
    position:relative;
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding:22px 6px 22px 0;
    background:none;
    border:none;
    text-align:left;
    font-size:17px;
    font-weight:600;
    color:var(--ink-900);
    cursor:pointer;
    transition:color .2s var(--ease),padding-left .2s var(--ease);
  }
  .faq-q::before{
    content:"";
    position:absolute;
    left:0;top:50%;
    transform:translateY(-50%);
    width:2px;height:0;
    background:var(--bamboo-700);
    transition:height .2s var(--ease);
  }
  .faq-q:hover{color:var(--bamboo-700);padding-left:14px}
  .faq-q:hover::before{height:60%}
  .faq-q:focus-visible{outline:2px solid var(--bamboo-600);outline-offset:2px}
  .faq-item.is-open .faq-q{color:var(--bamboo-700);padding-left:14px}
  .faq-item.is-open .faq-q::before{height:60%}
  .faq-icon{
    position:relative;
    flex:none;
    width:16px;height:16px;
    transition:transform .2s var(--ease);
  }
  .faq-icon::before,
  .faq-icon::after{
    content:"";
    position:absolute;
    left:50%;top:50%;
    background:var(--bamboo-700);
    border-radius:2px;
    transform:translate(-50%,-50%);
  }
  .faq-icon::before{width:14px;height:1.6px}
  .faq-icon::after{width:1.6px;height:14px}
  .faq-item.is-open .faq-icon{transform:rotate(45deg)}
  .faq-a{
    display:none;
    padding:0 6px 24px 14px;
  }
  .faq-item.is-open .faq-a{display:block}
  .faq-a p{margin:0;font-size:15px;line-height:1.9;color:var(--text-2);max-width:680px}

  /* ---------- CTA 条 ---------- */
  .cta-band{
    margin-top:96px;
    background:var(--ink-900);
    border-radius:var(--r-card);
    padding:48px;
    color:var(--paper);
    display:grid;
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);
    gap:40px;
    align-items:center;
  }
  .cta-title{
    font-family:var(--font-serif);
    font-size:26px;
    line-height:1.4;
    font-weight:700;
    margin:0;
    color:#F7F4EC;
  }
  .cta-note{margin:12px 0 0;font-size:13.5px;line-height:1.8;color:rgba(247,244,236,.66)}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
  .cta-band .pill-btn{border-color:rgba(247,244,236,.42);color:#F7F4EC}
  .cta-band .pill-btn:hover{background:rgba(247,244,236,.12)}
  .sub-form{display:flex;flex-direction:column;gap:10px}
  .sub-row{display:flex;gap:12px}
  .sub-input{
    flex:1;
    min-width:0;
    height:48px;
    padding:0 16px;
    border-radius:var(--r-btn);
    border:1px solid rgba(247,244,236,.22);
    background:rgba(247,244,236,.06);
    color:#F7F4EC;
    font-size:14px;
    outline:none;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .sub-input::placeholder{color:rgba(247,244,236,.5)}
  .sub-input:focus{
    border-color:var(--bamboo-300);
    box-shadow:0 0 0 3px rgba(156,192,172,.22);
  }
  .btn-primary{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:48px;
    padding:0 24px;
    border-radius:var(--r-btn);
    border:none;
    background:var(--bamboo-600);
    color:#F7F4EC;
    font-size:14.5px;
    cursor:pointer;
    white-space:nowrap;
    transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  }
  .btn-primary:hover{background:var(--bamboo-700);transform:translateY(-1px);box-shadow:var(--shadow-2)}
  .btn-primary:focus-visible{outline:2px solid var(--paper);outline-offset:2px}
  .form-hint{font-size:12.5px;color:rgba(247,244,236,.55);margin:0}
  .form-hint.is-ok{color:var(--bamboo-300)}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--ink-900);
    color:rgba(247,244,236,.8);
    padding:64px 0 0;
    margin-top:96px;
    border-top:1px solid rgba(255,255,255,.08);
  }
  .site-footer h4{
    font-size:12px;
    font-weight:500;
    letter-spacing:.14em;
    color:rgba(247,244,236,.6);
    margin:0 0 16px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1fr;
    gap:40px;
  }
  .footer-brand{display:flex;align-items:flex-start;gap:12px}
  .logo-mark{width:32px;height:32px;color:#F7F4EC;flex:none}
  .brand-name{
    display:block;
    font-family:var(--font-serif);
    font-size:16px;
    font-weight:700;
    color:#F7F4EC;
    letter-spacing:.02em;
  }
  .footer-brand p{
    margin:10px 0 0;
    font-size:13px;
    line-height:1.75;
    color:rgba(247,244,236,.62);
    max-width:280px;
  }
  .footer-links{display:flex;flex-direction:column;gap:2px}
  .footer-links a{
    display:inline-block;
    padding:6px 0;
    font-size:14px;
    color:rgba(247,244,236,.78);
    text-decoration:none;
    transition:color .2s var(--ease),transform .2s var(--ease);
  }
  .footer-links a:hover{color:#F7F4EC;transform:translateX(3px)}
  .footer-qr{
    margin-top:16px;
    max-width:150px;
    padding:16px;
    border:1px dashed rgba(247,244,236,.26);
    border-radius:var(--r-btn);
    font-size:12px;
    line-height:1.7;
    color:rgba(247,244,236,.6);
    text-align:center;
  }
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:12px;
    margin-top:48px;
    padding:22px 0;
    border-top:1px solid rgba(255,255,255,.08);
    font-size:13px;
    color:rgba(247,244,236,.58);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    .wrap{padding:0 32px}
    .page-title{font-size:40px}
  }

  @media (max-width:1023px){
    .shell{grid-template-columns:1fr}
    .sidebar{
      position:sticky;
      top:0;
      height:auto;
      flex-direction:row;
      align-items:center;
      justify-content:space-between;
      padding:12px 20px;
      border-right:none;
      border-bottom:1px solid var(--line);
      background:rgba(247,244,236,.96);
      backdrop-filter:blur(8px);
      overflow:visible;
    }
    .brand{padding:0}
    .brand-mark{width:30px;height:30px}
    .brand-title{font-size:14px}
    .brand-sub{display:none}
    .sidebar-rule,.sidebar-foot{display:none}
    .menu-btn{display:flex}
    .nav{
      position:fixed;
      left:0;right:0;top:67px;bottom:0;
      display:none;
      flex-direction:column;
      gap:4px;
      padding:20px 20px 40px;
      background:var(--paper);
      border-top:1px solid var(--line);
      overflow-y:auto;
    }
    .sidebar.nav-open .nav{display:flex}
    .nav-item{padding:14px 12px;font-size:17px}
    .nav-arrow{opacity:.5;transform:none}
    .check-grid{grid-template-columns:1fr 1fr}
    .brand-sec{grid-template-columns:1fr;gap:32px}
    .faq-wrap{grid-template-columns:1fr;gap:28px}
    .cta-band{grid-template-columns:1fr;padding:40px;gap:28px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
    .sec-note{text-align:left}
  }

  @media (max-width:767px){
    .wrap{padding:0 20px}
    .page-title{font-size:30px}
    .page-lead{font-size:16px}
    .sec{margin-top:56px}
    .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
    .sec-title{font-size:24px}
    .notice{grid-template-columns:76px minmax(0,1fr);gap:18px;padding:24px 0}
    .notice-day{font-size:32px}
    .notice:hover{padding-left:0;background:transparent}
    .notice-title{font-size:18px}
    .quote-band{padding:38px 26px}
    .quote-band::after{left:26px;top:24px;width:28px}
    .quote-text{font-size:18px}
    .check-grid{grid-template-columns:1fr;gap:16px}
    .cta-band{padding:32px 24px;margin-top:56px}
    .cta-title{font-size:21px}
    .sub-row{flex-direction:column}
    .btn-primary{width:100%}
    .faq-wrap{margin-top:56px}
    .faq-q{font-size:16px;padding:18px 0}
    .site-footer{margin-top:56px;padding-top:48px}
    .footer-grid{grid-template-columns:1fr;gap:32px}
    .footer-bottom{flex-direction:column;margin-top:32px}
    .board{margin-top:56px}
    .crumbs{padding-top:20px;font-size:12px}
    .page-head{padding-top:28px}
  }

  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{
      animation-duration:.001ms !important;
      transition-duration:.001ms !important;
      transform:none !important;
    }
  }