/* roulang page: index */
:root{
  --ink:#26485C;
  --ink-deep:#1A3242;
  --cream:#FAF7F1;
  --card:#FFFFFF;
  --rouge:#B2454C;
  --rouge-dark:#8F343B;
  --rouge-light:#FBEDEE;
  --gold:#DCB264;
  --gold-light:#F0E2C4;
  --text:#2C3742;
  --muted:#6B7783;
  --line:#E6DFD3;
  --r-lg:16px;
  --r-sm:12px;
  --sh:0 8px 24px rgba(38,72,92,.06);
  --sh-lg:0 14px 32px rgba(38,72,92,.12);
  --serif:"Noto Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:24px;}
body{
  font-family:var(--sans);
  background:var(--cream);
  color:var(--text);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-sm);}
a{color:var(--ink);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--rouge);}
ul,ol{list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px dashed var(--gold);outline-offset:3px;}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 32px;}
.serif{font-family:var(--serif);}

/* ===== 侧栏 ===== */
.side-shell{
  position:fixed;top:0;left:0;bottom:0;width:248px;height:100vh;
  background:var(--ink);color:#fff;
  display:flex;flex-direction:column;
  padding:26px 18px 20px;
  overflow-y:auto;z-index:1040;
  border-right:1px solid rgba(255,255,255,.08);
}
.side-shell::-webkit-scrollbar{width:6px;}
.side-shell::-webkit-scrollbar-thumb{background:rgba(220,178,100,.3);border-radius:3px;}
.brand{display:flex;align-items:center;gap:12px;margin-bottom:26px;padding:0 4px;}
.brand-mark{
  width:42px;height:42px;flex:none;border-radius:12px;
  background:var(--gold);color:var(--ink-deep);
  font-family:var(--serif);font-weight:700;font-size:21px;
  display:grid;place-items:center;
}
.brand-text{line-height:1.35;min-width:0;}
.brand-text strong{display:block;font-size:15.5px;font-weight:700;color:#fff;letter-spacing:.02em;}
.brand-text em{display:block;font-style:normal;font-size:12.5px;color:rgba(255,255,255,.7);letter-spacing:.08em;}
.side-close{
  display:none;margin-left:auto;width:44px;height:44px;flex:none;
  background:transparent;border:none;color:rgba(255,255,255,.7);
  font-size:24px;line-height:1;align-items:center;justify-content:center;
}
.side-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:22px;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:10px 12px 10px 14px;border-radius:10px;
  color:rgba(255,255,255,.82);font-size:15px;line-height:1.4;
  transition:background .22s ease,color .22s ease,transform .22s ease;
  min-height:44px;
}
.nav-item .ic{width:18px;height:18px;flex:none;opacity:.8;}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;transform:translateX(2px);}
.nav-item.active{background:rgba(251,237,238,.18);color:#fff;font-weight:600;}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:18px;background:var(--rouge);border-radius:2px;
}
.side-anchors{
  display:flex;flex-direction:column;gap:1px;
  padding-left:14px;margin-bottom:auto;
  border-left:1px solid rgba(255,255,255,.12);
  margin-left:8px;
}
.side-anchors a{
  font-size:13.5px;color:rgba(255,255,255,.6);
  padding:7px 0;line-height:1.4;transition:color .22s ease,padding-left .22s ease;
}
.side-anchors a:hover,.side-anchors a.on{color:var(--gold);padding-left:4px;}
.side-foot{padding-top:16px;border-top:1px solid rgba(255,255,255,.12);margin-top:18px;}
.side-foot p{font-size:12.5px;color:rgba(255,255,255,.55);line-height:1.7;margin-bottom:12px;}
.side-foot .btn-main{width:100%;padding:11px 14px;font-size:14px;}

/* ===== 按钮 ===== */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;line-height:1.2;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  min-height:44px;
}
.btn-main{background:var(--rouge);color:#fff;box-shadow:0 8px 20px rgba(178,69,76,.22);}
.btn-main:hover{background:var(--rouge-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(178,69,76,.3);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--rouge-light);border-color:var(--rouge);color:var(--rouge);}
.btn-sm{padding:10px 20px;font-size:14px;}

/* ===== 移动端顶栏 ===== */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;
  background:var(--ink-deep);z-index:1030;
  align-items:center;justify-content:space-between;
  padding:0 12px 0 16px;box-shadow:0 2px 14px rgba(26,50,66,.18);
}
.mb-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:15px;font-weight:700;letter-spacing:.02em;}
.mb-brand .brand-mark{width:32px;height:32px;font-size:16px;border-radius:9px;}
.burger{
  width:44px;height:44px;display:grid;place-items:center;
  background:transparent;border:none;color:#fff;
}
.burger span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;position:relative;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:#fff;border-radius:2px;
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.shell-backdrop{
  position:fixed;inset:0;background:rgba(26,50,66,.6);z-index:1035;
  opacity:0;pointer-events:none;transition:opacity .28s ease;
}
.shell-backdrop.open{opacity:1;pointer-events:auto;}

/* ===== 主区域 ===== */
.main-shell{margin-left:248px;min-height:100vh;display:flex;flex-direction:column;}
main{flex:1;}

/* ===== Hero ===== */
.hero{padding:60px 0 56px;position:relative;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;
  border:1.5px solid var(--gold);color:var(--rouge);
  background:rgba(240,226,196,.35);
  font-size:13px;padding:4px 12px;border-radius:6px;
  font-weight:600;letter-spacing:.04em;margin-bottom:20px;
}
.hero h1{
  font-family:var(--serif);font-weight:700;
  font-size:clamp(28px,3.9vw,42px);line-height:1.3;
  letter-spacing:.015em;color:var(--ink-deep);margin-bottom:18px;
}
.hero-sub{font-size:18px;line-height:1.8;color:var(--muted);max-width:520px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 26px;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink);font-weight:500;}
.hero-points li .dot{width:16px;height:16px;flex:none;border-radius:50%;border:1.5px solid var(--gold);display:grid;place-items:center;}
.hero-points li .dot::after{content:"";width:5px;height:5px;border-radius:50%;background:var(--rouge);}
.hero-visual{position:relative;}
.hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;background:#F0E2C4;box-shadow:var(--sh-lg);}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;}
.hero-float{
  position:absolute;left:18px;bottom:-24px;right:auto;width:min(300px,88%);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px 18px;box-shadow:var(--sh-lg);z-index:2;
}
.hero-float .tag-line{
  display:inline-block;font-size:12px;color:var(--rouge);background:var(--rouge-light);
  padding:2px 9px;border-radius:6px;margin-bottom:8px;font-weight:600;
}
.hero-float p{font-size:13.5px;line-height:1.7;color:var(--muted);}
.hero-scroll{
  margin-top:52px;display:flex;align-items:center;gap:12px;
  font-size:11px;letter-spacing:.14em;color:var(--muted);
}
.hero-scroll .line{flex:1;height:1px;background:linear-gradient(90deg,rgba(220,178,100,.9),rgba(220,178,100,0));}

/* ===== 通用板块 ===== */
.sec{padding:84px 0;border-top:1px solid var(--line);}
.sec:first-of-type{border-top:none;}
.sec-label{
  display:inline-block;font-size:13px;font-weight:600;color:var(--gold);
  letter-spacing:.16em;margin-bottom:14px;
}
.sec h2{
  font-family:var(--serif);font-weight:700;
  font-size:clamp(22px,2.7vw,30px);line-height:1.35;
  color:var(--ink-deep);letter-spacing:.015em;margin-bottom:14px;
}
.sec-lead{font-size:15.5px;color:var(--muted);line-height:1.8;}

/* 卖点 */
.sell-grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;}
.sell-left{position:sticky;top:40px;align-self:start;}
.sell-list{border-top:1px solid var(--line);}
.sell-item{
  display:flex;gap:18px;align-items:flex-start;
  padding:22px 0 22px 0;border-bottom:1px solid var(--line);
  transition:padding-left .22s ease;
}
.sell-item:hover{padding-left:6px;}
.sell-num{
  font-family:var(--serif);font-size:26px;font-weight:700;color:var(--gold);
  line-height:1.1;flex:none;width:44px;
}
.sell-body h3{font-size:20px;font-weight:600;color:var(--ink);margin-bottom:6px;font-family:var(--serif);}
.sell-body p{font-size:15px;color:var(--muted);line-height:1.75;}
.sell-arrow{margin-left:auto;color:var(--gold);font-size:20px;line-height:1;padding-top:4px;transition:transform .22s ease;}
.sell-item:hover .sell-arrow{transform:translateX(4px);}

/* 演示 */
.demo-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:stretch;}
.demo-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:#F0E2C4;box-shadow:var(--sh);
}
.demo-card img{width:100%;height:100%;min-height:300px;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.demo-overlay{
  position:absolute;left:0;right:0;bottom:0;padding:44px 24px 20px;
  background:linear-gradient(180deg,rgba(38,72,92,0) 0%,rgba(38,72,92,.35) 50%,rgba(38,72,92,.78) 100%);
  color:#fff;
}
.demo-overlay span{
  display:inline-block;font-size:12.5px;letter-spacing:.1em;
  border:1px solid rgba(240,226,196,.7);color:var(--gold-light);
  padding:3px 10px;border-radius:6px;margin-bottom:8px;
}
.demo-overlay p{font-size:15px;line-height:1.6;}
.steps{display:flex;flex-direction:column;gap:0;justify-content:center;}
.step{position:relative;padding:0 0 26px 30px;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:5px;top:18px;bottom:0;width:1px;
  background:var(--line);
}
.step:last-child::before{display:none;}
.step::after{
  content:"";position:absolute;left:0;top:8px;width:11px;height:11px;
  border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(240,226,196,.55);
}
.step span.step-no{font-size:12px;letter-spacing:.1em;color:var(--rouge);font-weight:700;}
.step h3{font-size:15.5px;font-weight:600;color:var(--ink);margin:2px 0 4px;}
.step p{font-size:14px;color:var(--muted);line-height:1.7;}

/* 证据 */
.proof-stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  margin-bottom:48px;
}
.proof-stat{padding:26px 20px;position:relative;text-align:left;}
.proof-stat+.proof-stat::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:1px;background:rgba(220,178,100,.5);
}
.proof-stat b{
  display:block;font-family:var(--serif);font-size:32px;font-weight:700;
  color:var(--rouge);line-height:1.15;margin-bottom:4px;
}
.proof-stat small{font-size:12.5px;color:var(--muted);letter-spacing:.02em;}
.proof-quotes{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.quote-card{
  background:var(--card);border:1px solid var(--line);border-left:3px solid rgba(178,69,76,.35);
  border-radius:var(--r-lg);padding:24px 26px;box-shadow:var(--sh);
}
.quote-card .qm{font-family:var(--serif);font-size:30px;color:var(--gold);line-height:1;margin-bottom:8px;}
.quote-card p{font-size:15px;line-height:1.8;color:var(--text);margin-bottom:14px;}
.quote-card cite{font-style:normal;font-size:13px;color:var(--muted);}

/* 价格 */
.price-grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;}
.price-left{position:sticky;top:40px;align-self:start;}
.price-note{
  margin-top:20px;padding-top:16px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--muted);line-height:1.8;
}
.plan-stack{display:flex;flex-direction:column;gap:22px;}
.plan-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 28px;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.plan-card:hover{transform:translateY(-3px);box-shadow:var(--sh-lg);border-color:rgba(178,69,76,.35);}
.plan-card.recommend{border:1.5px solid var(--rouge);}
.plan-tag{
  position:absolute;top:-12px;right:24px;background:var(--gold-light);
  color:var(--ink-deep);font-size:12px;font-weight:700;letter-spacing:.06em;
  padding:3px 12px;border-radius:6px;border:1px solid var(--gold);
}
.plan-name{font-size:16px;font-weight:600;color:var(--ink);margin-bottom:10px;}
.plan-price{
  font-family:var(--serif);font-size:28px;font-weight:700;color:var(--ink-deep);
  line-height:1.2;margin-bottom:16px;
}
.plan-price i{font-style:normal;font-size:12px;color:var(--muted);font-weight:400;margin-left:6px;}
.plan-list{margin-bottom:20px;}
.plan-list li{
  display:flex;align-items:flex-start;gap:9px;
  font-size:13.5px;color:var(--text);line-height:1.7;padding:5px 0;
}
.plan-list li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);
  margin-top:9px;flex:none;
}
.plan-card .btn-main,.plan-card .btn-ghost{width:100%;}

/* 资讯 */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.news-more{font-size:14px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:6px;}
.news-more:hover{color:var(--rouge);}
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.news-card{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:16px;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  color:inherit;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-lg);border-color:rgba(178,69,76,.35);color:inherit;}
.news-thumb{
  width:96px;height:72px;flex:none;border-radius:var(--r-sm);overflow:hidden;background:#F0E2C4;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.news-body{min-width:0;flex:1;}
.news-title{
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.45;margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .22s ease;
}
.news-card:hover .news-title{color:var(--rouge);}
.news-excerpt{
  font-size:14.5px;color:var(--muted);line-height:1.7;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);}
.badge-tag{
  display:inline-block;font-size:12.5px;padding:2px 9px;border-radius:6px;
  background:var(--rouge-light);color:var(--rouge);font-weight:600;
}
.news-empty{
  grid-column:1/-1;min-height:220px;border:1px dashed var(--line);border-radius:var(--r-lg);
  background:rgba(255,255,255,.6);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:32px;gap:8px;
}
.news-empty .empty-ic{
  width:88px;height:88px;border-radius:50%;border:1.5px solid var(--gold);
  display:grid;place-items:center;color:var(--gold);font-family:var(--serif);
  font-size:30px;margin-bottom:6px;background:rgba(240,226,196,.35);
}
.news-empty strong{font-size:15px;color:var(--ink);}
.news-empty span{font-size:13px;color:var(--muted);}
.news-empty .btn-ghost{margin-top:10px;}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;}
.faq-left{position:sticky;top:40px;align-self:start;}
.faq-acc .accordion-item{border:none;border-bottom:1px solid var(--line);background:transparent;border-radius:0;}
.faq-acc .accordion-button{
  position:relative;background:transparent;box-shadow:none;
  color:var(--ink);font-family:var(--serif);font-size:16px;font-weight:600;
  line-height:1.55;padding:14px 42px 14px 0;
  transition:color .22s ease;
}
.faq-acc .accordion-button:not(.collapsed){background:transparent;color:var(--rouge);box-shadow:none;}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px dashed var(--gold);outline-offset:2px;}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;transform:none;
  position:absolute;right:6px;top:50%;margin-top:-14px;
  width:28px;height:28px;display:grid;place-items:center;
  font-size:22px;line-height:1;color:var(--gold);
  transition:transform .22s ease,color .22s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--rouge);}
.faq-acc .accordion-body{
  padding:0 26px 18px 0;font-size:15px;line-height:1.85;color:var(--text);
}

/* ===== 页脚 ===== */
.site-foot{
  background:var(--cream);border-top:1px solid var(--gold);
  padding:56px 0 26px;color:var(--ink);
}
.foot-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.1fr;gap:36px;}
.foot-brand .brand-mark{background:var(--gold);color:var(--ink-deep);}
.foot-brand-row{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.foot-brand-row strong{font-family:var(--serif);font-size:16.5px;color:var(--ink-deep);}
.foot-brand p{font-size:13.5px;color:var(--muted);line-height:1.9;margin-bottom:10px;}
.foot-kw{font-size:13px;color:var(--ink);letter-spacing:.04em;}
.foot-col h4{font-size:14px;font-weight:700;color:var(--ink-deep);margin-bottom:14px;font-family:var(--serif);}
.foot-col li{margin-bottom:9px;}
.foot-col a{font-size:13.5px;color:var(--muted);}
.foot-col a:hover{color:var(--rouge);}
.foot-col p{font-size:13.5px;color:var(--muted);line-height:1.95;}
.foot-copy{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
}

/* ===== 浮动 CTA ===== */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:1020;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;background:var(--rouge);color:#fff;
  font-size:15px;font-weight:600;line-height:1.2;
  box-shadow:0 12px 28px rgba(178,69,76,.32);
  transition:background .22s ease,transform .22s ease,padding .22s ease,box-shadow .22s ease;
}
.float-cta:hover{background:var(--rouge-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(178,69,76,.38);}
.float-cta .fc-mini{display:none;}
.float-cta.mini{padding:11px 20px;}
.float-cta.mini .fc-full{display:none;}
.float-cta.mini .fc-mini{display:inline;}

/* ===== 响应式 ===== */
@media (min-width:992px) and (max-width:1199.98px){
  .side-shell{width:216px;padding:22px 14px 18px;}
  .main-shell{margin-left:216px;}
  .sell-grid,.price-grid,.faq-grid{gap:36px;}
}
@media (max-width:991.98px){
  html{scroll-padding-top:76px;}
  .mobile-bar{display:flex;}
  .side-shell{width:280px;transform:translateX(-100%);transition:transform .28s ease;height:100vh;padding-top:18px;}
  .side-shell.open{transform:translateX(0);}
  .side-close{display:flex;}
  .main-shell{margin-left:0;padding-top:60px;}
  .hero{padding:40px 0 44px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-sub{font-size:16.5px;}
  .hero-float{position:static;width:100%;margin-top:-24px;margin-left:auto;margin-right:auto;max-width:100%;box-shadow:var(--sh);}
  .hero-figure img{aspect-ratio:16/10;}
  .hero-scroll{margin-top:36px;}
  .sec{padding:56px 0;}
  .sell-grid,.price-grid,.faq-grid,.demo-grid{grid-template-columns:1fr;gap:32px;}
  .sell-left,.price-left,.faq-left{position:static;}
  .proof-stats{grid-template-columns:1fr 1fr;}
  .proof-stat:nth-child(odd)::before{display:none;}
  .proof-stat:nth-child(3)::before,.proof-stat:nth-child(4)::before{display:none;}
  .proof-stat{border-top:1px solid var(--line);}
  .proof-stat:nth-child(1),.proof-stat:nth-child(2){border-top:none;}
  .proof-quotes{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .steps{flex-direction:row;overflow-x:auto;scroll-snap-type:x mandatory;gap:16px;padding-bottom:6px;}
  .steps::-webkit-scrollbar{display:none;}
  .step{flex:0 0 210px;scroll-snap-align:start;padding:16px 16px 16px 16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);}
  .step::before{display:none;}
  .step::after{display:none;}
}
@media (max-width:767.98px){
  body{padding-bottom:76px;}
  .wrap{padding:0 20px;}
  .hero h1{font-size:clamp(25px,7vw,30px);}
  .hero-actions{gap:10px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{flex:1 1 100%;}
  .hero-points{gap:8px 18px;}
  .hero-points li{font-size:13.5px;}
  .float-cta{left:16px;right:16px;bottom:12px;height:56px;border-radius:28px;padding:0 24px;}
  .float-cta.mini{left:auto;right:16px;width:auto;padding:0 20px;}
  .news-card{flex-direction:row;}
  .news-thumb{width:80px;height:80px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-copy{flex-direction:column;gap:6px;}
  .proof-stat b{font-size:26px;}
  .sell-num{font-size:22px;width:36px;}
  .quote-card{padding:20px;}
}
@media (max-width:520px){
  .hero-float{padding:14px;}
  .plan-card{padding:22px 20px;}
  .sec h2{font-size:21px;}
  .news-title{font-size:15.5px;}
  .news-excerpt{font-size:13.5px;}
}

/* roulang page: article */
:root{
  --ink:#26485C;
  --ink-deep:#1A3242;
  --milk:#FAF7F1;
  --card:#FFFFFF;
  --rouge:#B2454C;
  --rouge-deep:#8F343B;
  --rouge-soft:#FBEDEE;
  --gold:#DCB264;
  --gold-soft:#F0E2C4;
  --text:#2C3742;
  --muted:#6B7783;
  --line:#E6DFD3;
  --r-card:16px;
  --r-img:12px;
  --r-btn:999px;
  --r-badge:6px;
  --r-input:10px;
  --sh-rest:0 8px 24px rgba(38,72,92,.06);
  --sh-hover:0 14px 32px rgba(38,72,92,.12);
  --side-w:248px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--milk);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:var(--ink);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--rouge)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:.015em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px dashed var(--gold);outline-offset:3px}

/* ===== 按钮 ===== */
.btn-rouge{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--rouge);color:#fff;border:none;
  border-radius:var(--r-btn);padding:12px 26px;
  font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-rouge:hover{background:var(--rouge-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(178,69,76,.28)}
.btn-rouge:active{transform:none;box-shadow:none}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--ink);
  border:1.5px solid var(--ink);border-radius:var(--r-btn);
  padding:11px 24px;font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;
  transition:background .22s ease,border-color .22s ease,color .22s ease,transform .22s ease;
}
.btn-ghost:hover{background:var(--rouge-soft);border-color:var(--rouge);color:var(--rouge-deep);transform:translateY(-1px)}
.btn-ghost:active{transform:none}
.btn-block-sm{width:100%;padding:11px 16px;font-size:14px}
.btn-sm{padding:9px 18px;font-size:14px}

.badge-rose{
  display:inline-block;font-size:13px;line-height:1.5;
  padding:4px 10px;border-radius:var(--r-badge);
  background:var(--rouge-soft);color:var(--rouge);
}
.badge-gold{
  display:inline-block;font-size:13px;line-height:1.5;
  padding:3px 10px;border-radius:var(--r-badge);
  border:1px solid var(--gold);color:var(--ink);background:transparent;
}

/* ===== 移动顶栏 ===== */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:1030;
  background:var(--ink);align-items:center;justify-content:space-between;
  padding:0 16px;box-shadow:0 2px 12px rgba(26,50,66,.18);
}
.mobile-brand{display:flex;align-items:center;gap:10px;color:#fff}
.mobile-brand .brand-mark{width:32px;height:32px;font-size:16px;border-radius:8px}
.mobile-brand strong{font-family:"Noto Serif SC",serif;font-size:15px;font-weight:700;letter-spacing:.02em}
.burger{
  width:44px;height:44px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);border:none;border-radius:10px;color:#fff;cursor:pointer;
}
.burger:hover{background:rgba(255,255,255,.16)}

/* ===== 侧栏 ===== */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--ink);color:#F7F4EE;
  display:flex;flex-direction:column;
  overflow-y:auto;overflow-x:hidden;z-index:1040;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(220,178,100,.3);border-radius:3px}
.sidebar::-webkit-scrollbar-track{background:transparent}

.brand{
  display:flex;align-items:center;gap:12px;
  padding:24px 20px 20px;border-bottom:1px solid rgba(255,255,255,.12);
}
.brand-mark{
  width:38px;height:38px;flex:none;border-radius:10px;
  background:var(--gold);color:var(--ink-deep);
  display:grid;place-items:center;
  font-family:"Noto Serif SC",serif;font-weight:700;font-size:19px;
}
.brand-text b{
  display:block;font-family:"Noto Serif SC",serif;
  font-size:15px;line-height:1.35;color:#fff;letter-spacing:.02em;
}
.brand-text span{display:block;font-size:12.5px;line-height:1.5;color:rgba(255,255,255,.7);margin-top:2px}

.side-nav{padding:16px 12px 8px;display:flex;flex-direction:column;gap:2px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:11px;
  padding:11px 12px;border-radius:10px;
  font-size:15px;color:rgba(255,255,255,.82);
  transition:background .2s ease,transform .2s ease,color .2s ease;
}
.nav-item .ic{width:18px;height:18px;flex:none;opacity:.85}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;transform:translateX(2px)}
.nav-item.active{background:rgba(251,237,238,.18);color:#fff;font-weight:600}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;
  border-radius:2px;background:var(--rouge);
}

.side-anchors{padding:6px 12px 18px;border-top:1px solid rgba(255,255,255,.12);margin-top:8px}
.side-label{
  font-size:11.5px;letter-spacing:.12em;color:rgba(255,255,255,.5);
  padding:14px 12px 8px;
}
.anchor-item{
  display:block;padding:6px 12px 6px 24px;border-radius:8px;
  font-size:13.5px;color:rgba(255,255,255,.7);
  transition:background .2s ease,color .2s ease,padding-left .2s ease;
}
.anchor-item:hover{background:rgba(255,255,255,.06);color:#fff;padding-left:28px}

.side-cta{
  margin-top:auto;padding:18px 20px 24px;
  border-top:1px solid rgba(255,255,255,.12);
}
.side-note{font-size:12px;line-height:1.7;color:rgba(255,255,255,.6);margin-bottom:12px}

/* ===== 抽屉 ===== */
.offcanvas.side-offcanvas{
  width:280px;background:var(--ink);color:#F7F4EE;border-right:none;
}
.offcanvas.side-offcanvas .offcanvas-header{
  padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;
}
.offcanvas.side-offcanvas .btn-close{
  width:44px;height:44px;background-size:14px;
  filter:invert(1) grayscale(1) brightness(1.6);opacity:.85;
  border-radius:10px;
}
.offcanvas.side-offcanvas .btn-close:hover{background-color:rgba(255,255,255,.1);opacity:1}
.offcanvas.side-offcanvas .offcanvas-body{padding:0;display:flex;flex-direction:column}
.offcanvas-backdrop{background:rgba(38,72,92,.6)}
.offcanvas-backdrop.show{opacity:1}

/* ===== 主区域 ===== */
.main{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 32px}

/* ===== 面包屑 ===== */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:32px 0 20px;font-size:13px;color:var(--muted);
}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--rouge)}
.crumbs .sep{color:#C9C0AE}
.crumbs .now{color:var(--text);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== 文章头 ===== */
.art-head{max-width:900px}
.art-title{
  font-family:"Noto Serif SC",serif;font-weight:700;
  font-size:34px;line-height:1.4;color:var(--ink-deep);
  letter-spacing:.015em;margin:14px 0 18px;
}
.art-meta{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--muted);
  padding-bottom:20px;border-bottom:1px solid var(--line);
}
.art-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--gold);display:inline-block}
.share{display:flex;gap:10px;margin-left:auto}
.share a{
  width:34px;height:34px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:50%;color:var(--muted);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.share a:hover{border-color:rgba(178,69,76,.5);color:var(--rouge);background:var(--rouge-soft)}
.share svg{width:16px;height:16px}

/* ===== 封面图 ===== */
.art-cover{max-width:900px;margin:28px auto 0}
.art-cover figure{margin:0}
.art-cover img{
  width:100%;aspect-ratio:16/8;object-fit:cover;
  border-radius:var(--r-img);border:1px solid var(--line);
  background:var(--gold-soft);
}
.art-cover figcaption{font-size:12px;color:var(--muted);margin-top:10px;text-align:center}

/* ===== 正文 ===== */
.prose{
  max-width:760px;margin:0 auto;
  padding:36px 0 8px;
  font-size:16.5px;line-height:1.9;color:var(--text);
}
.prose p{margin:0 0 20px}
.prose h2{
  position:relative;
  font-family:"Noto Serif SC",serif;font-weight:700;
  font-size:22px;line-height:1.5;color:var(--ink-deep);
  margin:36px 0 16px;padding-left:14px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;
  width:4px;border-radius:2px;background:var(--gold);
}
.prose h3{
  font-family:"Noto Serif SC",serif;font-weight:700;
  font-size:19px;line-height:1.55;color:var(--ink);
  margin:28px 0 12px;
}
.prose blockquote{
  margin:24px 0;padding:18px 22px;
  background:var(--milk);border-left:3px solid var(--rouge);
  border-radius:0 12px 12px 0;color:#41505C;
  font-size:16px;line-height:1.85;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose ul,.prose ol{padding-left:22px;margin:0 0 20px}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin-bottom:10px}
.prose ul li::marker{color:var(--rouge)}
.prose ol li::marker{color:var(--rouge);font-weight:600}
.prose img{
  width:100%;height:auto;border-radius:var(--r-img);
  border:1px solid var(--line);margin:24px 0 10px;
  background:var(--gold-soft);
}
.prose table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
}
.prose th,.prose td{
  border-bottom:1px solid var(--line);padding:10px 12px;text-align:left;
}
.prose th{background:#FBF8F2;color:var(--ink);font-weight:600}
.prose a{
  color:var(--ink);text-decoration:underline;text-underline-offset:3px;
}
.prose a:hover{color:var(--rouge)}
.prose strong{color:var(--ink-deep)}

/* ===== 空态 ===== */
.empty-article{
  max-width:760px;margin:0 auto;padding:56px 0 40px;text-align:center;
}
.empty-article .empty-icon{
  width:88px;height:88px;margin:0 auto 20px;border-radius:50%;
  border:2px solid var(--gold);display:grid;place-items:center;
  color:var(--gold);background:#FDFBF6;
}
.empty-article .empty-icon svg{width:36px;height:36px}
.empty-article h2{
  font-family:"Noto Serif SC",serif;font-size:22px;
  color:var(--ink-deep);margin-bottom:12px;
}
.empty-article p{font-size:15px;color:var(--muted);margin-bottom:24px}

/* ===== 文末信息卡 ===== */
.end-card{
  max-width:760px;margin:40px auto 0;
  background:var(--milk);border:1px solid var(--line);
  border-left:3px solid var(--rouge);border-radius:var(--r-card);
  padding:24px 26px;
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
}
.end-card .end-info{flex:1 1 260px;min-width:220px}
.end-card .end-info .k{
  font-size:12px;letter-spacing:.08em;color:var(--muted);display:block;margin-bottom:6px;
}
.end-card .end-info strong{
  font-family:"Noto Serif SC",serif;font-size:17px;color:var(--ink-deep);font-weight:700;
}
.end-card .end-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ===== 相关推荐 ===== */
.related{max-width:900px;margin:64px auto 0}
.sec-title{
  font-family:"Noto Serif SC",serif;font-weight:700;
  font-size:20px;color:var(--ink-deep);margin-bottom:6px;
}
.sec-sub{font-size:14px;color:var(--muted);margin-bottom:24px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-rest);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(178,69,76,.35)}
.rel-card img{
  width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--gold-soft);
}
.rel-body{padding:16px 18px 18px}
.rel-body h4{
  font-size:16px;line-height:1.6;color:var(--ink-deep);font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.rel-card:hover .rel-body h4{color:var(--rouge)}
.rel-body time{display:block;font-size:12.5px;color:var(--muted);margin-top:10px}

/* ===== 上下篇 ===== */
.pager{
  max-width:760px;margin:44px auto 0;
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.pager a{
  display:block;padding:16px 20px;border:1px solid var(--line);
  border-radius:12px;background:var(--card);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.pager a:hover{border-color:rgba(178,69,76,.5);transform:translateY(-2px);box-shadow:var(--sh-rest)}
.pager .p-label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
.pager .p-text{
  font-size:15px;color:var(--ink-deep);font-weight:600;line-height:1.6;
}
.pager a:hover .p-text{color:var(--rouge)}

/* ===== 浮动 CTA ===== */
.fab{
  position:fixed;right:28px;bottom:28px;z-index:900;
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-btn);
  background:var(--rouge);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 10px 24px rgba(178,69,76,.3);
  transition:background .25s ease,opacity .3s ease,transform .3s ease,box-shadow .25s ease;
}
.fab:hover{background:var(--rouge-deep);color:#fff;transform:translateY(-1px)}
.fab svg{width:16px;height:16px}
.fab.is-hidden{opacity:0;pointer-events:none;transform:translateY(10px)}

/* ===== 页脚 ===== */
.site-foot{
  margin-top:88px;background:var(--milk);
  border-top:1px solid var(--gold);
  padding:56px 0 28px;
}
.foot-grid{
  display:grid;grid-template-columns:1.5fr .8fr .8fr 1.2fr;gap:32px;
}
.foot-brand-row{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand-row .brand-mark{
  width:32px;height:32px;font-size:16px;border-radius:8px;background:var(--gold);
  color:var(--ink-deep);display:grid;place-items:center;
  font-family:"Noto Serif SC",serif;font-weight:700;flex:none;
}
.foot-brand-row strong{
  font-family:"Noto Serif SC",serif;font-size:16px;color:var(--ink-deep);font-weight:700;
}
.foot-brand p{font-size:14px;line-height:1.9;color:var(--muted);max-width:300px}
.foot-kw{font-size:12.5px;color:var(--muted);margin-top:12px;letter-spacing:.01em}
.foot-col h4{
  font-size:14px;font-weight:700;color:var(--ink-deep);margin-bottom:14px;
  font-family:"Noto Sans SC",sans-serif;
}
.foot-col li{margin-bottom:2px}
.foot-col li a,.foot-col p{font-size:14px;line-height:2;color:var(--muted)}
.foot-col li a:hover{color:var(--rouge)}
.foot-copy{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:36px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  :root{--side-w:216px}
  .art-title{font-size:31px}
}
@media (max-width:991.98px){
  .sidebar{display:none}
  .mobile-bar{display:flex}
  .main{margin-left:0;padding-top:60px}
  .wrap{padding:0 24px}
  .art-title{font-size:28px}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .fab{
    left:16px;right:16px;bottom:12px;height:56px;border-radius:28px;
    justify-content:center;font-size:15px;
    box-shadow:0 8px 26px rgba(178,69,76,.35);
  }
}
@media (max-width:767.98px){
  body{font-size:16px;line-height:1.85}
  .wrap{padding:0 20px}
  .crumbs{padding:22px 0 16px;font-size:12.5px}
  .art-title{font-size:26px;line-height:1.38;margin:12px 0 16px}
  .art-meta{gap:12px;font-size:12px;padding-bottom:16px}
  .share{margin-left:0;width:100%;margin-top:4px}
  .art-cover{margin-top:20px}
  .art-cover img{aspect-ratio:16/10}
  .prose{padding:28px 0 4px;font-size:16px;line-height:1.88}
  .prose h2{font-size:20px;margin:30px 0 14px}
  .prose h3{font-size:18px}
  .related{margin-top:52px}
  .rel-grid{grid-template-columns:1fr;gap:16px}
  .rel-card{flex-direction:row;align-items:stretch}
  .rel-card img{width:112px;aspect-ratio:auto;flex:none;height:100%;min-height:88px}
  .rel-body{padding:14px 16px}
  .rel-body h4{font-size:15px}
  .pager{grid-template-columns:1fr}
  .end-card{padding:20px;gap:14px}
  .end-card .end-actions{width:100%}
  .end-card .end-actions .btn-rouge,.end-card .end-actions .btn-ghost{flex:1 1 auto}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .site-foot{margin-top:64px;padding:40px 0 24px}
  .foot-copy{flex-direction:column;gap:8px;font-size:12.5px}
  .main{padding-bottom:76px}
}
@media (max-width:575.98px){
  .art-title{font-size:24px}
  .rel-card img{width:96px}
}

/* roulang page: category1 */
:root{
  --ink:#26485C;
  --ink-deep:#1A3242;
  --milk:#FAF7F1;
  --card:#FFFFFF;
  --rouge:#B2454C;
  --rouge-deep:#8F343B;
  --rouge-soft:#FBEDEE;
  --gold:#DCB264;
  --gold-soft:#F0E2C4;
  --text:#2C3742;
  --muted:#6B7783;
  --line:#E6DFD3;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(38,72,92,.06);
  --sh-2:0 14px 32px rgba(38,72,92,.12);
  --sidebar-w:248px;
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
  margin:0;background:var(--milk);color:var(--text);
  font-family:var(--sans);font-size:16.5px;line-height:1.85;
  -webkit-font-smoothing:antialiased;letter-spacing:.01em;
}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;color:var(--ink);letter-spacing:.015em;line-height:1.32;margin:0}
p{margin:0}
a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;transition:color .22s ease}
a:hover{color:var(--rouge)}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
::selection{background:var(--gold-soft);color:var(--ink-deep)}

/* ---------- 布局骨架 ---------- */
.side-shell{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--ink);color:#F7F3EA;
  display:flex;flex-direction:column;
  padding:26px 16px 20px;z-index:1040;
  overflow-y:auto;
}
.side-shell::-webkit-scrollbar{width:6px}
.side-shell::-webkit-scrollbar-thumb{background:rgba(220,178,100,.3);border-radius:6px}
.side-shell::-webkit-scrollbar-track{background:transparent}

.brand{display:flex;align-items:center;gap:10px;padding:0 8px 22px;text-decoration:none;color:#F7F3EA}
.brand:hover{color:#F7F3EA}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:10px;
  background:var(--gold);color:var(--ink-deep);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:21px;font-weight:700;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:15.5px;font-weight:700;letter-spacing:.04em}
.brand-text em{font-style:normal;font-size:12.5px;color:rgba(255,255,255,.7);letter-spacing:.14em}

.side-nav{display:flex;flex-direction:column;gap:2px;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.12)}
.nav-item{
  position:relative;display:flex;align-items:center;gap:11px;
  padding:11px 12px;border-radius:9px;
  font-size:15px;color:rgba(255,255,255,.82);text-decoration:none;
  transition:background .22s ease,transform .22s ease,color .22s ease;
  min-height:44px;
}
.nav-item .ic{width:18px;height:18px;flex:0 0 18px;stroke:currentColor;opacity:.92}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;transform:translateX(2px)}
.nav-item.active{background:rgba(251,237,238,.18);color:#fff;font-weight:600}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--rouge);
}
.nav-item:focus-visible{outline:2px dashed var(--gold);outline-offset:2px}

.side-anchors{padding:18px 4px 18px 12px;border-bottom:1px solid rgba(255,255,255,.12)}
.side-anchors h3{
  font-family:var(--sans);font-size:11.5px;font-weight:500;
  color:rgba(255,255,255,.5);letter-spacing:.16em;margin:0 0 10px;
}
.anchor-link{
  display:block;padding:6px 8px;font-size:13.5px;line-height:1.6;
  color:rgba(255,255,255,.66);text-decoration:none;border-radius:7px;
  transition:color .22s ease,background .22s ease;
}
.anchor-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.anchor-link.active{color:var(--gold);background:rgba(255,255,255,.06)}

.side-foot{margin-top:auto;padding:18px 8px 0}
.side-note{font-size:12.5px;line-height:1.75;color:rgba(255,255,255,.7);margin-bottom:14px}

.main{margin-left:var(--sidebar-w);min-height:100vh}
.wrap{max-width:1120px;margin:0 auto;padding:0 32px}

/* ---------- 按钮 ---------- */
.btn-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 26px;border-radius:var(--r-pill);
  font-family:var(--sans);font-size:15px;font-weight:600;letter-spacing:.02em;
  text-decoration:none;border:1.5px solid transparent;cursor:pointer;
  transition:background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.btn-main{background:var(--rouge);color:#fff}
.btn-main:hover{background:var(--rouge-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(178,69,76,.28)}
.btn-main:active{transform:none;box-shadow:none}
.btn-line{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-line:hover{background:var(--rouge-soft);border-color:var(--rouge);color:var(--rouge-deep)}
.btn-line:active{transform:translateY(1px)}
.btn-pill:focus-visible{outline:2px dashed var(--gold);outline-offset:3px}
.btn-block{width:100%}
.btn-sm{min-height:40px;padding:8px 18px;font-size:14px}

/* ---------- 徽章 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:6px;
  font-size:13px;line-height:1.6;
  background:var(--rouge-soft);color:var(--rouge);
  white-space:nowrap;
}
.chip-gold{background:#fff;border:1px solid var(--gold);color:var(--ink)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:4px 12px;border-radius:6px;
  border:1px solid var(--gold);background:#fff;
  font-size:13px;color:var(--rouge);letter-spacing:.06em;
  margin-bottom:16px;
}

/* ---------- 面包屑 & 页头 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:30px 0 0}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--rouge)}
.crumbs .sep{color:var(--gold);opacity:.7}
.crumbs .cur{color:var(--ink);font-weight:600}

.page-head{padding:22px 0 0}
.page-head h1{font-size:34px;line-height:1.36;max-width:820px}
.page-head .lede{margin-top:16px;font-size:17px;line-height:1.8;color:var(--muted);max-width:760px}
.head-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

.page-banner{
  position:relative;margin:34px 0 0;height:224px;overflow:hidden;
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:#F0E2C4;box-shadow:var(--sh-1);
}
.page-banner img{width:100%;height:100%;object-fit:cover;opacity:.22}
.page-banner .veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(250,247,241,.95) 0%,rgba(250,247,241,.52) 46%,rgba(250,247,241,.9) 100%);
}
.page-banner .banner-note{
  position:absolute;left:28px;bottom:24px;max-width:560px;
  font-family:var(--serif);font-size:19px;line-height:1.6;color:var(--ink);
}
.page-banner .banner-tag{
  position:absolute;right:24px;top:22px;
}

/* ---------- 板块通用 ---------- */
.section{padding:64px 0 0}
.sec-head{max-width:720px;margin-bottom:32px}
.sec-head h2{font-size:29px;line-height:1.35}
.sec-head p{margin-top:12px;font-size:15.5px;color:var(--muted);line-height:1.8}
.rule-gold{width:56px;height:3px;border-radius:3px;background:var(--gold);margin-bottom:18px}

/* ---------- 特性卡 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 24px 26px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(178,69,76,.35)}
.feature-icon{
  width:48px;height:48px;border-radius:12px;
  background:var(--rouge-soft);color:var(--rouge);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.feature-icon svg{width:24px;height:24px}
.feature-card h3{font-size:20px;margin-bottom:10px}
.feature-card p{font-size:14.5px;line-height:1.75;color:var(--muted)}
.feature-card .tag-line{
  display:inline-block;margin-top:16px;font-size:12.5px;color:var(--rouge);
  border-left:3px solid var(--gold-soft);padding-left:10px;line-height:1.6;
}

/* ---------- 数据条 ---------- */
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:30px 10px;
}
.stat{position:relative;text-align:center;padding:0 14px}
.stat + .stat::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:1px;
  background:var(--gold);opacity:.45;
}
.stat .num{font-family:var(--serif);font-size:32px;font-weight:700;color:var(--rouge);line-height:1.2}
.stat .num small{font-size:13px;font-family:var(--sans);font-weight:500;margin-left:2px}
.stat .lbl{margin-top:6px;font-size:12.5px;color:var(--muted);letter-spacing:.04em}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:40px;max-width:860px}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:12px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--gold-soft),var(--gold) 20%,var(--gold) 80%,var(--gold-soft));
}
.tl-item{position:relative;padding:0 0 30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-36px;top:8px;width:12px;height:12px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 0 5px rgba(220,178,100,.16);
}
.tl-item .tl-stage{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--rouge);background:var(--rouge-soft);
  padding:3px 10px;border-radius:6px;margin-bottom:10px;
}
.tl-item h3{font-size:16.5px;margin-bottom:8px}
.tl-item p{font-size:14px;line-height:1.8;color:var(--muted);max-width:660px}
.tl-item .tl-meta{margin-top:10px;font-size:12.5px;color:var(--muted);opacity:.9}

/* ---------- 收尾带 ---------- */
.closing{
  margin:72px 0 0;padding:48px 40px;
  background:var(--rouge-soft);border:1px solid var(--line);border-radius:var(--r-lg);
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
}
.closing h2{font-size:27px;line-height:1.35}
.closing p{margin-top:10px;font-size:15px;color:var(--muted);max-width:520px}
.closing-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-foot{margin-top:80px;border-top:1px solid var(--gold);background:var(--milk);padding:56px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.foot-brand-row{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand-row .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:19px;border-radius:9px}
.foot-brand-row strong{font-family:var(--serif);font-size:16px;color:var(--ink);letter-spacing:.03em}
.foot-brand p{font-size:14px;color:var(--muted);line-height:1.8;max-width:280px}
.foot-kw{margin-top:14px;font-size:12.5px;color:var(--ink);letter-spacing:.03em}
.foot-col h4{font-family:var(--sans);font-size:13.5px;color:var(--ink);letter-spacing:.08em;margin-bottom:14px;font-weight:700}
.foot-col ul li{margin-bottom:2px}
.foot-col a{display:inline-block;padding:4px 0;font-size:14px;color:var(--muted);text-decoration:none;min-height:auto}
.foot-col a:hover{color:var(--rouge)}
.foot-col p{font-size:13.5px;color:var(--muted);line-height:1.9}
.foot-col p + p{margin-top:8px}
.foot-copy{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--muted);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:1030;
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-pill);
  background:var(--rouge);color:#fff;font-size:14.5px;font-weight:600;
  text-decoration:none;box-shadow:0 12px 26px rgba(178,69,76,.3);
  transition:background .22s ease,transform .22s ease,padding .22s ease,box-shadow .22s ease;
}
.float-cta:hover{background:var(--rouge-deep);color:#fff;transform:translateY(-2px)}
.float-cta .cta-ico{width:16px;height:16px;stroke:currentColor;fill:none}
.float-cta .cta-short{display:none}
.float-cta.compact{padding:12px 14px;gap:6px}
.float-cta.compact .cta-long{display:none}
.float-cta.compact .cta-short{display:inline}

/* ---------- 移动端导航 ---------- */
.mobile-bar{display:none}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;z-index:1060;
  background:var(--ink);color:#F7F3EA;padding:20px 16px;
  transform:translateX(-100%);transition:transform .28s ease;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer .drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.16);
  background:transparent;color:#F7F3EA;display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:rgba(255,255,255,.08)}
.scrim{
  position:fixed;inset:0;z-index:1050;background:rgba(38,72,92,.6);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.scrim.show{opacity:1;visibility:visible}
.hamburger{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);display:flex;align-items:center;justify-content:center;
}
.hamburger:hover{border-color:var(--rouge);color:var(--rouge)}

/* ---------- 响应式 ---------- */
@media (max-width:1399.98px){
  .side-shell{width:236px}
  :root{--sidebar-w:236px}
}
@media (max-width:1199.98px){
  :root{--sidebar-w:216px}
  .side-shell{width:216px;padding:22px 12px 18px}
  .page-head h1{font-size:30px}
  .sec-head h2{font-size:26px}
  .feature-grid{gap:18px}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .foot-col:last-child{grid-column:1 / -1}
}
@media (max-width:991.98px){
  .side-shell{display:none}
  .main{margin-left:0;padding-top:60px;padding-bottom:84px}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;
    position:fixed;top:0;left:0;right:0;height:60px;z-index:1035;
    padding:0 16px;background:var(--ink);border-bottom:1px solid rgba(255,255,255,.12);
  }
  .mobile-bar .brand{padding:0;gap:8px}
  .mobile-bar .brand-mark{width:32px;height:32px;flex:0 0 32px;font-size:17px;border-radius:8px}
  .mobile-bar .brand-text strong{font-size:14px}
  .mobile-bar .brand-text em{font-size:11px;letter-spacing:.1em}
  .mobile-bar .hamburger{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:#F7F3EA}
  .wrap{padding:0 20px}
  .crumbs{padding-top:20px}
  .page-head h1{font-size:28px}
  .page-head .lede{font-size:16px}
  .page-banner{height:200px;margin-top:26px}
  .page-banner .banner-note{font-size:16px;left:20px;bottom:18px;right:20px}
  .page-banner .banner-tag{display:none}
  .section{padding:48px 0 0}
  .sec-head h2{font-size:23px}
  .feature-grid{grid-template-columns:1fr;gap:16px}
  .stat-row{grid-template-columns:repeat(2,1fr);padding:22px 6px;row-gap:20px}
  .stat:nth-child(3)::before{display:none}
  .closing{grid-template-columns:1fr;gap:22px;padding:32px 24px;margin-top:56px}
  .closing h2{font-size:23px}
  .closing-actions .btn-pill{flex:1 1 100%}
  .site-foot{margin-top:56px;padding:40px 0 24px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .foot-brand{grid-column:1 / -1}
  .foot-col:last-child{grid-column:1 / -1}
  .foot-copy{flex-direction:column;gap:6px}
  .float-cta{
    left:16px;right:16px;bottom:16px;justify-content:center;
    padding:16px 20px;border-radius:28px;font-size:15px;
    box-shadow:0 14px 30px rgba(178,69,76,.34);
  }
  .float-cta.compact{padding:16px 20px;border-radius:28px}
  .float-cta .cta-long{display:inline}
  .float-cta.compact .cta-short{display:none}
  .float-cta.compact .cta-long{display:inline}
}
@media (max-width:575.98px){
  body{font-size:16px}
  .page-head h1{font-size:26px;line-height:1.4}
  .sec-head h2{font-size:22px}
  .feature-card{padding:22px 20px}
  .timeline{padding-left:32px}
  .tl-item h3{font-size:15.5px}
  .stat .num{font-size:27px}
  .foot-grid{grid-template-columns:1fr}
  .foot-brand{grid-column:auto}
}

/* roulang page: category3 */
:root{
  --ink:#26485C;
  --ink-deep:#1A3242;
  --paper:#FAF7F1;
  --card:#FFFFFF;
  --rouge:#B2454C;
  --rouge-deep:#8F343B;
  --rouge-soft:#FBEDEE;
  --gold:#DCB264;
  --gold-soft:#F0E2C4;
  --text:#2C3742;
  --muted:#6B7783;
  --line:#E6DFD3;
  --r-card:16px;
  --r-img:12px;
  --r-badge:6px;
  --sh:0 8px 24px rgba(38,72,92,.06);
  --sh-hover:0 14px 32px rgba(38,72,92,.12);
  --side:248px;
  --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:"Noto Serif SC","Songti SC",serif;color:var(--ink);margin:0;line-height:1.32;letter-spacing:.015em;font-weight:700}
p{margin:0 0 16px}
a{color:var(--ink);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--rouge)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px dashed var(--gold);outline-offset:3px}
.wrap{max-width:1120px;margin:0 auto;padding:0 32px}

/* 侧栏 */
.app-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side);
  background:var(--ink);color:#fff;
  padding:26px 18px 22px;
  display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;z-index:1040;
  scrollbar-width:thin;scrollbar-color:rgba(220,178,100,.3) transparent;
}
.app-sidebar::-webkit-scrollbar{width:6px}
.app-sidebar::-webkit-scrollbar-thumb{background:rgba(220,178,100,.3);border-radius:6px}
.side-brand{display:flex;align-items:center;gap:10px;padding:0 6px 18px;border-bottom:1px solid rgba(255,255,255,.12)}
.brand-mark{
  width:36px;height:36px;flex:none;border-radius:9px;
  background:var(--gold);color:var(--ink-deep);
  display:grid;place-items:center;
  font-family:"Noto Serif SC",serif;font-weight:700;font-size:19px;
}
.side-brand-text{display:flex;flex-direction:column;line-height:1.35}
.side-brand-text strong{font-family:"Noto Serif SC",serif;font-size:16px;color:#fff;letter-spacing:.02em}
.side-brand-text span{font-size:12px;color:rgba(255,255,255,.7);letter-spacing:.04em}
.side-nav{display:flex;flex-direction:column;gap:2px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:10px;
  font-size:15px;color:rgba(255,255,255,.78);
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;transform:translateX(2px)}
.nav-item.active{background:rgba(251,237,238,.18);color:#fff;font-weight:600}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:2px;background:var(--rouge);
}
.ic{width:18px;height:18px;flex:none}
.side-anchors{padding:2px 0 0 12px;border-top:1px solid rgba(255,255,255,.12);padding-top:18px}
.side-anchors-title{font-size:12px;color:rgba(255,255,255,.55);letter-spacing:.08em;margin:0 0 10px}
.side-anchors a{
  display:block;font-size:13.5px;line-height:2;color:rgba(255,255,255,.7);
  padding-left:10px;border-left:2px solid transparent;
}
.side-anchors a:hover{color:#fff}
.side-anchors a.is-current{color:#fff;border-left-color:var(--gold)}
.side-foot{margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.12)}
.side-foot p{font-size:12.5px;color:rgba(255,255,255,.7);line-height:1.7;margin:0 0 12px}
.side-foot .btn-rouge{width:100%;font-size:14px;padding:10px 16px}

/* 移动顶栏 */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:1030;
  background:var(--ink);align-items:center;justify-content:space-between;
  padding:0 16px;border-bottom:1px solid rgba(255,255,255,.12);
}
.mobile-bar .side-brand{border:0;padding:0;gap:8px}
.mobile-bar .side-brand-text strong{font-size:15px}
.mobile-bar .side-brand-text span{font-size:11px}
.burger{
  width:44px;height:44px;border:0;background:transparent;color:#fff;
  display:grid;place-items:center;border-radius:10px;
}
.burger svg{width:24px;height:24px}
.burger:hover{background:rgba(255,255,255,.08)}
.offcanvas{background:var(--ink)!important;color:#fff;width:280px}
.offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:16px}
.offcanvas-body{padding:18px}

/* 主内容 */
.page-main{margin-left:var(--side);min-height:100vh;display:flex;flex-direction:column}
.content{padding:40px 0 0}
.breadcrumb-line{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.breadcrumb-line a{color:var(--muted)}
.breadcrumb-line a:hover{color:var(--rouge)}
.breadcrumb-line .sep{color:#C9C1B3}
.breadcrumb-line .now{color:var(--ink);font-weight:500}

/* 页头横幅 */
.page-hero{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  background:var(--gold-soft);
  border:1px solid var(--line);
  padding:34px 36px;min-height:224px;
  display:flex;flex-direction:column;justify-content:center;
  box-shadow:var(--sh);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.webp") no-repeat right center / 62% auto;
  opacity:.22;-webkit-mask-image:linear-gradient(to right,transparent 12%,#000 82%);
  mask-image:linear-gradient(to right,transparent 12%,#000 82%);
  pointer-events:none;
}
.page-hero > *{position:relative;z-index:1}
.page-hero h1{font-size:33px;max-width:640px;margin:14px 0 14px}
.page-hero .lead{font-size:18px;color:var(--text);max-width:560px;line-height:1.75;margin:0}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;padding:4px 10px;border-radius:var(--r-badge);
  background:var(--rouge-soft);color:var(--rouge-deep);font-weight:500;line-height:1.6;
}
.pill-gold{background:transparent;border:1px solid var(--gold);color:var(--ink-deep)}
.pill-tiny{font-size:12px;padding:3px 9px}

/* 板块 */
.section{padding-top:64px}
.section-head{margin-bottom:28px;max-width:680px}
.section-head .eyebrow{
  display:inline-block;font-size:13px;color:var(--rouge);
  letter-spacing:.08em;margin-bottom:10px;font-weight:600;
}
.section-head h2{font-size:29px;margin-bottom:12px}
.section-head p{font-size:15.5px;color:var(--muted);margin:0}

/* 人物网格 */
.char-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.char-card{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  background:var(--gold-soft);border:1px solid var(--line);
  box-shadow:var(--sh);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.char-card img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .45s ease}
.char-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(178,69,76,.35)}
.char-card:hover img{transform:scale(1.04)}
.char-name{
  position:absolute;top:0;left:0;right:0;
  padding:14px 16px;color:#fff;
  background:linear-gradient(to bottom,rgba(26,50,66,.92),rgba(26,50,66,.55) 70%,transparent);
  transform:translateY(-102%);opacity:0;
  transition:transform .28s ease,opacity .28s ease;
}
.char-name strong{display:block;font-family:"Noto Serif SC",serif;font-size:17px;letter-spacing:.02em}
.char-name span{font-size:12.5px;color:rgba(255,255,255,.78)}
.char-card:hover .char-name,.char-card:focus-within .char-name{transform:translateY(0);opacity:1}
.char-foot{
  position:absolute;left:0;right:0;bottom:0;padding:12px 16px;
  background:linear-gradient(to top,rgba(26,50,66,.85),transparent);
  display:flex;align-items:center;justify-content:space-between;gap:8px;
}
.char-foot b{font-family:"Noto Serif SC",serif;font-size:16px;color:#fff;font-weight:600}
.char-foot em{font-style:normal;font-size:12px;color:rgba(255,255,255,.78)}

/* 关系主线 */
.rel-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.rel-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 26px 22px;box-shadow:var(--sh);
  border-left:3px solid var(--gold);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(178,69,76,.35);border-left-color:var(--rouge)}
.rel-card h3{font-size:20px;margin-bottom:10px}
.rel-card p{font-size:15px;color:var(--text);line-height:1.7;margin:0}
.rel-card .tagline{display:inline-block;font-size:12.5px;color:var(--rouge-deep);background:var(--rouge-soft);border-radius:var(--r-badge);padding:3px 9px;margin-bottom:12px}

/* 观看动线 */
.route-layout{display:grid;grid-template-columns:4fr 8fr;gap:36px;align-items:start}
.route-figure{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  background:var(--gold-soft);box-shadow:var(--sh);position:relative;
}
.route-figure img{width:100%;aspect-ratio:4/5;object-fit:cover}
.route-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px;
  font-size:12.5px;color:#fff;
  background:linear-gradient(to top,rgba(26,50,66,.82),transparent);
}
.route-list{border-top:1px solid var(--line)}
.route-item{
  display:flex;gap:18px;align-items:flex-start;
  padding:20px 4px;border-bottom:1px solid var(--line);
}
.route-num{
  font-family:"Noto Serif SC",serif;font-size:24px;color:var(--gold);
  line-height:1;flex:none;width:34px;padding-top:2px;
}
.route-item h3{font-size:18px;margin-bottom:6px}
.route-item p{font-size:15px;color:var(--muted);margin:0;line-height:1.75}
.route-item .arrow{margin-left:auto;color:#C9C1B3;flex:none;padding-top:4px}

/* 提示块 */
.note-block{
  margin-top:28px;background:var(--paper);border:1px solid var(--line);
  border-left:3px solid var(--rouge);border-radius:var(--r-card);
  padding:20px 24px;font-size:14.5px;color:var(--muted);line-height:1.85;
}
.note-block strong{color:var(--ink);font-weight:600}

/* 收尾 CTA */
.cta-band{
  margin-top:72px;background:var(--ink);border-radius:var(--r-card);
  padding:44px 40px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  border:1px solid var(--ink-deep);
}
.cta-band h2{color:#fff;font-size:27px;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.75);margin:0;font-size:15.5px;max-width:460px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:var(--gold);color:#fff}

/* 按钮 */
.btn-rouge,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-size:15px;font-weight:600;min-height:44px;
  padding:12px 26px;cursor:pointer;text-align:center;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-rouge{background:var(--rouge);color:#fff;border:1px solid var(--rouge)}
.btn-rouge:hover{background:var(--rouge-deep);border-color:var(--rouge-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(143,52,59,.24)}
.btn-rouge:active{transform:none;box-shadow:none}
.btn-ghost{background:transparent;color:var(--ink-deep);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--rouge-soft);border-color:var(--rouge);color:var(--rouge-deep);transform:translateY(-1px)}
.btn-ghost:active{transform:none}

/* 浮动 CTA */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:1050;
  display:inline-flex;align-items:center;gap:8px;
  background:var(--rouge);color:#fff;border-radius:999px;
  padding:14px 22px;font-size:14.5px;font-weight:600;
  box-shadow:0 12px 28px rgba(143,52,59,.28);
  transition:background var(--ease),transform var(--ease),padding var(--ease);
}
.float-cta:hover{background:var(--rouge-deep);color:#fff;transform:translateY(-2px)}
.float-cta svg{width:18px;height:18px}

/* 页脚 */
.site-foot{background:var(--paper);border-top:1px solid var(--gold);margin-top:88px;padding:60px 0 26px;color:var(--ink)}
.foot-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.1fr;gap:32px}
.foot-brand-row{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand-row strong{font-family:"Noto Serif SC",serif;font-size:16px;letter-spacing:.02em}
.foot-brand p{font-size:14px;color:var(--muted);line-height:1.85;margin:0;max-width:280px}
.foot-kw{font-size:12.5px;color:var(--muted);margin-top:14px;letter-spacing:.02em;line-height:1.8}
.foot-col h4{font-size:15px;margin-bottom:14px;color:var(--ink)}
.foot-col ul li{margin-bottom:9px}
.foot-col ul li a{font-size:14px;color:var(--muted)}
.foot-col ul li a:hover{color:var(--rouge)}
.foot-col p{font-size:13.5px;color:var(--muted);line-height:1.9;margin:0 0 10px}
.foot-copy{
  border-top:1px solid var(--line);margin-top:40px;padding-top:18px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}

/* 响应式 */
@media (max-width:1399.98px){
  .page-hero h1{font-size:32px}
}
@media (max-width:1199.98px){
  :root{--side:216px}
  .page-hero{padding:30px 28px}
  .page-hero h1{font-size:29px}
  .char-grid{gap:18px}
}
@media (max-width:991.98px){
  .app-sidebar{display:none}
  .mobile-bar{display:flex}
  .page-main{margin-left:0;padding-top:60px}
  .content{padding-top:28px}
  .route-layout{grid-template-columns:1fr;gap:24px}
  .route-figure img{aspect-ratio:16/10}
  .cta-band{padding:32px 24px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .float-cta{left:16px;right:16px;bottom:16px;justify-content:center;height:56px;border-radius:28px;padding:0 18px}
  body{padding-bottom:88px}
}
@media (max-width:767.98px){
  .wrap{padding:0 20px}
  .section{padding-top:48px}
  .page-hero{padding:26px 20px;min-height:0}
  .page-hero h1{font-size:26px;margin:12px 0}
  .page-hero .lead{font-size:16px}
  .page-hero::after{opacity:.16;background-size:auto 100%}
  .section-head h2{font-size:23px}
  .char-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .char-name{transform:translateY(0);opacity:1;background:linear-gradient(to bottom,rgba(26,50,66,.9),transparent)}
  .char-foot b{font-size:15px}
  .rel-grid{grid-template-columns:1fr}
  .cta-band h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn-rouge,.cta-actions .btn-ghost{flex:1 1 100%}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-copy{font-size:12.5px}
}
@media (max-width:519.98px){
  body{font-size:16px}
  .page-hero h1{font-size:22px}
  .char-grid{grid-template-columns:1fr 1fr;gap:12px}
  .char-name{padding:10px 12px}
  .char-name strong{font-size:15px}
  .route-item{gap:12px}
  .route-num{font-size:20px;width:28px}
}

/* roulang page: category2 */
:root{
  --ink:#26485C;
  --ink-deep:#1A3242;
  --milk:#FAF7F1;
  --card:#FFFFFF;
  --rouge:#B2454C;
  --rouge-deep:#8F343B;
  --rouge-soft:#FBEDEE;
  --gold:#DCB264;
  --gold-soft:#F0E2C4;
  --text:#2C3742;
  --muted:#6B7783;
  --line:#E6DFD3;
  --serif:"Noto Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --r-card:16px;
  --r-img:12px;
  --r-btn:999px;
  --r-badge:6px;
  --r-input:10px;
  --sh-rest:0 8px 24px rgba(38,72,92,.06);
  --sh-hover:0 14px 32px rgba(38,72,92,.12);
  --side-w:248px;
  --ease:.22s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--milk);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--ink);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--rouge)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px dashed var(--gold);outline-offset:3px}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;top:0;left:0;width:var(--side-w);height:100vh;
  background:var(--ink);color:#fff;z-index:1040;
  display:none;flex-direction:column;
  padding:24px 16px 20px;overflow-y:auto;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(220,178,100,.3);border-radius:6px}
.sidebar::-webkit-scrollbar-track{background:transparent}
.brand{
  display:flex;align-items:center;gap:10px;
  padding:0 8px 20px;border-bottom:1px solid rgba(255,255,255,.12);
}
.brand-mark{
  width:38px;height:38px;flex:none;border-radius:10px;
  background:var(--gold);color:var(--ink-deep);
  font-family:var(--serif);font-weight:700;font-size:20px;
  display:grid;place-items:center;line-height:1;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-text strong{font-family:var(--serif);font-size:16px;letter-spacing:.02em;color:#fff}
.brand-text em{font-style:normal;font-size:12.5px;color:rgba(255,255,255,.7);letter-spacing:.06em}
.side-nav{margin-top:18px;display:flex;flex-direction:column;gap:2px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:10px;font-size:15px;
  color:rgba(255,255,255,.82);transition:var(--ease);
}
.nav-item .ic{width:18px;height:18px;flex:none;opacity:.85}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;transform:translateX(2px)}
.nav-item.active{background:rgba(251,237,238,.18);color:#fff;font-weight:600}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:18px;background:var(--rouge);border-radius:2px;
}
.nav-sub{margin-top:22px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12)}
.nav-sub-title{
  font-size:11.5px;letter-spacing:.14em;color:rgba(255,255,255,.45);
  margin:0 0 8px 12px;
}
.nav-sub a{
  display:block;padding:6px 12px;font-size:13.5px;
  color:rgba(255,255,255,.7);border-radius:8px;transition:var(--ease);
}
.nav-sub a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-foot{margin-top:auto;padding-top:20px}
.nav-foot p{font-size:12px;line-height:1.7;color:rgba(255,255,255,.55);margin-bottom:12px;padding-left:8px}

/* ---------- 按钮 ---------- */
.btn-r{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:12px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;transition:var(--ease);
  text-align:center;line-height:1.4;
}
.btn-primary-r{background:var(--rouge);color:#fff;box-shadow:0 6px 16px rgba(178,69,76,.22)}
.btn-primary-r:hover{background:var(--rouge-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(178,69,76,.28)}
.btn-primary-r:active{transform:none;box-shadow:0 4px 12px rgba(178,69,76,.2)}
.btn-ghost-r{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost-r:hover{background:var(--rouge-soft);border-color:var(--rouge);color:var(--rouge-deep)}
.btn-ghost-r:active{transform:translateY(1px)}
.btn-sm-r{padding:9px 18px;font-size:14px}
.btn-block-r{width:100%}
.btn-light-r{background:#fff;color:var(--ink);border-color:#fff}
.btn-light-r:hover{background:var(--gold-soft);border-color:var(--gold);color:var(--ink-deep)}

/* ---------- 徽章 ---------- */
.badge-r{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-badge);font-size:13px;
  background:var(--rouge-soft);color:var(--rouge-deep);font-weight:500;
}
.badge-gold{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:var(--r-badge);font-size:13px;
  border:1px solid var(--gold);color:var(--ink);background:transparent;font-weight:500;
}

/* ---------- 布局骨架 ---------- */
.main-area{margin-left:0;min-height:100vh;display:flex;flex-direction:column}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}
main{flex:1 0 auto}

/* ---------- 移动端顶栏 ---------- */
.topbar-m{
  display:flex;position:fixed;top:0;left:0;right:0;height:60px;
  background:var(--ink);color:#fff;z-index:1030;
  align-items:center;justify-content:space-between;
  padding:0 14px 0 16px;box-shadow:0 2px 12px rgba(26,50,66,.18);
}
.brand-m{display:flex;align-items:center;gap:9px;color:#fff}
.brand-m:hover{color:#fff}
.brand-m .brand-mark{width:32px;height:32px;font-size:17px;border-radius:9px}
.brand-m strong{font-family:var(--serif);font-size:15px;letter-spacing:.02em}
.burger{
  width:44px;height:44px;display:grid;place-items:center;
  background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:10px;
  color:#fff;cursor:pointer;transition:var(--ease);
}
.burger:hover{background:rgba(255,255,255,.08)}
.burger svg{width:20px;height:20px}

/* ---------- 抽屉 ---------- */
.drawer-nav{
  --bs-offcanvas-width:280px;
  background:var(--ink);color:#fff;
  border-right:1px solid rgba(255,255,255,.12);
}
.drawer-nav .offcanvas-header{
  border-bottom:1px solid rgba(255,255,255,.12);
  padding:14px 16px;display:flex;align-items:center;justify-content:space-between;
}
.drawer-nav .offcanvas-title{
  font-family:var(--serif);font-size:15.5px;color:#fff;letter-spacing:.02em;margin:0;
}
.drawer-close{
  width:44px;height:44px;display:grid;place-items:center;
  background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:10px;
  color:#fff;font-size:22px;line-height:1;cursor:pointer;transition:var(--ease);
}
.drawer-close:hover{background:rgba(255,255,255,.08)}
.drawer-nav .offcanvas-body{padding:16px 14px 26px}
.offcanvas-backdrop.show{opacity:.6;background:var(--ink-deep)}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;overflow:hidden;
  background:var(--card);border-bottom:1px solid var(--line);
  padding:28px 0 44px;
}
.page-head-bg{
  position:absolute;top:0;right:0;width:54%;height:100%;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  opacity:.2;
  -webkit-mask-image:linear-gradient(to right,transparent 0,#000 62%);
  mask-image:linear-gradient(to right,transparent 0,#000 62%);
  pointer-events:none;
}
.page-head .wrap{position:relative}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--rouge)}
.crumb .sep{color:#C6BBA9}
.crumb .cur{color:var(--ink);font-weight:500}
.eyebrow{
  display:block;font-size:12.5px;letter-spacing:.14em;
  color:var(--rouge);font-weight:600;margin-bottom:10px;
}
.page-head h1{
  font-family:var(--serif);font-weight:700;font-size:34px;line-height:1.35;
  color:var(--ink);letter-spacing:.01em;max-width:760px;
}
.page-lead{
  margin-top:14px;font-size:17px;line-height:1.75;color:var(--muted);
  max-width:640px;
}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}

/* ---------- 板块通用 ---------- */
.sec{padding:64px 0}
.sec-tight{padding:48px 0}
.sec-head{max-width:660px;margin-bottom:32px}
.sec-title{
  font-family:var(--serif);font-weight:700;font-size:30px;line-height:1.32;
  color:var(--ink);letter-spacing:.01em;margin-bottom:12px;
}
.sec-desc{font-size:15.5px;line-height:1.8;color:var(--muted)}

/* ---------- 图文行 ---------- */
.split-text p{font-size:16px;line-height:1.85;color:var(--text);margin-bottom:16px}
.split-text p:last-of-type{margin-bottom:0}
.dot-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.dot-list li{position:relative;padding-left:22px;font-size:15px;line-height:1.75;color:#41505C}
.dot-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:8px;height:8px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 0 3px rgba(220,178,100,.22);
}
.figure-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-rest);overflow:hidden;transition:var(--ease);
}
.figure-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px);border-color:rgba(178,69,76,.35)}
.figure-card img{
  width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--gold-soft);
}
.figure-card figcaption{
  font-size:12.5px;line-height:1.7;color:var(--muted);padding:12px 16px 14px;
  border-top:1px solid var(--line);
}

/* ---------- 步骤条 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--sh-rest);transition:var(--ease);
}
.step-card:nth-child(1){background:#FFFDF8}
.step-card:nth-child(2){background:#FDFAF3}
.step-card:nth-child(3){background:#FCF8F0}
.step-card:nth-child(4){background:#FBF5EC}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(178,69,76,.35)}
.step-num{
  display:block;font-family:var(--serif);font-size:26px;font-weight:700;
  color:var(--gold);line-height:1;margin-bottom:14px;
}
.step-card h3{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:8px;line-height:1.5}
.step-card p{font-size:14px;line-height:1.75;color:var(--muted)}

/* ---------- 表格 ---------- */
.table-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-rest);overflow-x:auto;
}
.table-soft{width:100%;border-collapse:collapse;font-size:15px;min-width:560px}
.table-soft thead th{
  text-align:left;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--muted);padding:14px 20px;border-bottom:1px solid var(--line);
  background:#FFFDF8;white-space:nowrap;
}
.table-soft tbody td{
  padding:16px 20px;border-bottom:1px solid var(--line);
  vertical-align:top;line-height:1.75;color:#41505C;
}
.table-soft tbody tr:last-child td{border-bottom:0}
.table-soft tbody tr{transition:background .2s ease}
.table-soft tbody tr:hover{background:#FBF3E1}
.table-soft td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}
.table-soft td:nth-child(2){color:var(--ink)}

/* ---------- 提示块 ---------- */
.note-band{
  background:#FBF5E8;border:1px solid var(--gold-soft);
  border-radius:var(--r-card);padding:32px;
}
.note-band .sec-title{font-size:24px;margin-bottom:20px}
.note-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px 40px}
.note-grid h3{
  font-size:16.5px;font-weight:600;color:var(--ink);margin-bottom:8px;
  line-height:1.55;padding-left:12px;border-left:3px solid var(--gold);
}
.note-grid p{font-size:15px;line-height:1.8;color:#4A5560}

/* ---------- 收尾 CTA ---------- */
.cta-band{
  background:var(--ink);border-radius:20px;padding:44px 44px;
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
  box-shadow:0 16px 40px rgba(38,72,92,.16);
}
.cta-band h2{
  font-family:var(--serif);font-size:26px;font-weight:700;line-height:1.35;
  color:#fff;margin-bottom:10px;letter-spacing:.01em;
}
.cta-band p{font-size:15px;line-height:1.78;color:rgba(255,255,255,.72);max-width:420px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-foot{
  background:var(--milk);border-top:1px solid var(--gold);
  padding:48px 0 28px;margin-top:auto;
}
.foot-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:32px;padding-bottom:32px;border-bottom:1px solid var(--line);
}
.foot-brand-row{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand-row .brand-mark{
  width:34px;height:34px;font-size:18px;border-radius:9px;
  background:var(--gold);color:var(--ink-deep);
}
.foot-brand-row strong{font-family:var(--serif);font-size:16px;color:var(--ink);letter-spacing:.02em}
.foot-brand p{font-size:14px;line-height:1.8;color:var(--muted);max-width:280px}
.foot-kw{
  margin-top:14px;font-size:12.5px;color:var(--gold);
  letter-spacing:.03em;line-height:1.9;
}
.foot-col h4{
  font-size:14.5px;font-weight:600;color:var(--ink);margin-bottom:14px;
}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col ul li a{font-size:14px;color:var(--muted);line-height:1.6}
.foot-col ul li a:hover{color:var(--rouge)}
.foot-col p{font-size:13.5px;line-height:1.9;color:var(--muted);margin-bottom:10px}
.foot-copy{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:20px;font-size:13px;color:var(--muted);line-height:1.8;
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:1035;
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 24px;border-radius:var(--r-btn);
  background:var(--rouge);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 12px 28px rgba(178,69,76,.3);transition:var(--ease);
}
.float-cta:hover{background:var(--rouge-deep);color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(178,69,76,.36)}
.float-cta svg{width:17px;height:17px}

/* ---------- 响应式 ---------- */
@media (min-width:992px){
  .sidebar{display:flex}
  .main-area{margin-left:var(--side-w)}
  .topbar-m{display:none}
}
@media (min-width:992px) and (max-width:1199.98px){
  :root{--side-w:216px}
  .wrap{padding:0 28px}
}
@media (min-width:1200px){
  :root{--side-w:248px}
  .wrap{padding:0 32px}
}
@media (max-width:991.98px){
  .main-area{margin-left:0;padding-top:60px}
  .page-head{padding:22px 0 36px}
  .page-head h1{font-size:28px}
  .page-lead{font-size:16px}
  .page-head-bg{width:70%;opacity:.16}
  .sec{padding:52px 0}
  .sec-tight{padding:40px 0}
  .sec-title{font-size:23px}
  .step-grid{grid-template-columns:1fr 1fr}
  .note-grid{grid-template-columns:1fr;gap:24px}
  .note-band{padding:26px}
  .cta-band{padding:32px 26px;border-radius:16px}
  .cta-band h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn-r{flex:1 1 180px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .foot-brand{grid-column:1 / -1}
  .foot-brand p{max-width:none}
  .float-cta{
    left:16px;right:16px;bottom:12px;height:56px;padding:0 20px;
    border-radius:28px;justify-content:center;font-size:15px;
  }
}
@media (max-width:575.98px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  .page-head h1{font-size:26px}
  .sec-title{font-size:21px}
  .step-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-copy{flex-direction:column;gap:8px}
  .badge-row{gap:6px}
  .badge-gold,.badge-r{font-size:12.5px}
  .table-soft{min-width:520px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --ink:#26485C;
  --ink-deep:#1A3242;
  --milk:#FAF7F1;
  --card:#FFFFFF;
  --rose:#B2454C;
  --rose-deep:#8F343B;
  --rose-soft:#FBEDEE;
  --gold:#DCB264;
  --gold-soft:#F0E2C4;
  --text:#2C3742;
  --muted:#6B7783;
  --line:#E6DFD3;
  --r-card:16px;
  --r-img:12px;
  --r-btn:999px;
  --r-badge:6px;
  --sh-1:0 8px 24px rgba(38,72,92,.06);
  --sh-2:0 14px 32px rgba(38,72,92,.12);
  --side:248px;
  --tr:.22s ease;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--milk);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;transition:color var(--tr)}
a:hover{color:var(--rose)}
button{font-family:inherit}
h1,h2,h3,h4{font-family:"Noto Serif SC","Songti SC",serif;color:var(--ink);letter-spacing:.015em;line-height:1.32;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px dashed var(--gold);outline-offset:3px;border-radius:4px}

/* ---------- 侧栏 App Shell ---------- */
.app-side{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--side);
  background:var(--ink);
  color:#F4F0E8;
  display:flex;
  flex-direction:column;
  padding:24px 0 18px;
  z-index:1040;
  overflow-y:auto;
  scrollbar-width:thin;
  scrollbar-color:rgba(220,178,100,.4) transparent;
}
.app-side::-webkit-scrollbar{width:6px}
.app-side::-webkit-scrollbar-thumb{background:rgba(220,178,100,.4);border-radius:3px}
.side-brand{
  display:flex;align-items:flex-start;gap:12px;
  padding:0 20px 22px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.brand-mark{
  flex:0 0 auto;
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--gold);
  color:var(--ink-deep);
  font-family:"Noto Serif SC",serif;
  font-weight:700;font-size:19px;
  border-radius:10px;
  line-height:1;
}
.side-brand-txt strong{
  display:block;
  font-family:"Noto Serif SC",serif;
  font-size:15.5px;
  line-height:1.45;
  color:#FFF9EE;
  font-weight:700;
}
.side-brand-txt span{
  display:block;
  font-size:12px;
  color:rgba(255,255,255,.7);
  margin-top:4px;
  letter-spacing:.02em;
}
.side-nav{
  padding:18px 12px 8px;
  display:flex;flex-direction:column;gap:2px;
}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:10px;
  padding:11px 14px 11px 16px;
  border-radius:10px;
  color:rgba(255,255,255,.88);
  font-size:15px;
  text-decoration:none;
  transition:background var(--tr),transform var(--tr),color var(--tr);
}
.nav-item .ic{width:18px;height:18px;flex:0 0 auto;opacity:.9}
.nav-item:hover{background:rgba(255,255,255,.06);transform:translateX(2px);color:#fff}
.nav-item.active{
  background:rgba(251,237,238,.18);
  color:#FFF6EC;
  font-weight:600;
}
.nav-item.active::before{
  content:"";
  position:absolute;left:0;top:9px;bottom:9px;
  width:3px;border-radius:3px;
  background:var(--rose);
}
.side-sec{
  padding:16px 20px 6px;
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:12px;
}
.side-sec h3{
  font-family:"Noto Sans SC",sans-serif;
  font-size:12px;
  letter-spacing:.08em;
  color:rgba(255,255,255,.62);
  margin-bottom:10px;
  font-weight:500;
}
.side-anchors{display:flex;flex-direction:column;gap:2px}
.side-anchors a{
  display:block;
  padding:6px 0 6px 12px;
  font-size:13.5px;
  color:rgba(255,255,255,.7);
  text-decoration:none;
  border-left:1px solid rgba(255,255,255,.16);
  transition:color var(--tr),border-color var(--tr);
}
.side-anchors a:hover,
.side-anchors a.is-current{color:#FFF6EC;border-left-color:var(--gold)}
.side-foot{
  margin-top:auto;
  padding:20px;
  border-top:1px solid rgba(255,255,255,.12);
}
.side-foot p{
  font-size:12.5px;
  line-height:1.7;
  color:rgba(255,255,255,.7);
  margin-bottom:14px;
}
.btn-cta-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  width:100%;
  padding:12px 22px;
  background:var(--rose);
  color:#fff;
  border:1px solid var(--rose);
  border-radius:var(--r-btn);
  font-size:14.5px;
  font-weight:600;
  text-decoration:none;
  cursor:pointer;
  transition:background var(--tr),transform var(--tr),box-shadow var(--tr);
}
.btn-cta-solid:hover{background:var(--rose-deep);border-color:var(--rose-deep);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(143,52,59,.28)}
.btn-cta-solid:active{transform:translateY(0);box-shadow:none}

/* ---------- 移动顶部栏与抽屉 ---------- */
.mobile-bar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:60px;
  background:var(--ink);
  color:#FFF9EE;
  align-items:center;justify-content:space-between;
  padding:0 16px;
  z-index:1035;
  box-shadow:0 4px 16px rgba(26,50,66,.18);
}
.mobile-bar .mb-brand{display:flex;align-items:center;gap:10px;font-family:"Noto Serif SC",serif;font-size:15px;font-weight:700}
.mobile-bar .brand-mark{width:32px;height:32px;font-size:16px;border-radius:8px}
.burger{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  border-radius:10px;
  color:#FFF9EE;
  cursor:pointer;
}
.burger:hover{background:rgba(255,255,255,.16)}
.drawer{background:var(--ink);color:#FFF9EE;width:280px}
.drawer .offcanvas-header{
  padding:18px 18px 14px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer-title{display:flex;align-items:center;gap:10px;font-family:"Noto Serif SC",serif;font-size:15px;font-weight:700;color:#FFF9EE}
.drawer-close{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  border-radius:10px;color:#FFF9EE;cursor:pointer;
}
.drawer .offcanvas-body{padding:14px 12px 24px}

/* ---------- 主区域 ---------- */
.app-main{margin-left:var(--side);min-height:100vh}
.wrap{max-width:1120px;margin:0 auto;padding:0 32px}

.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:26px 0 0;
  font-size:13px;
  color:var(--muted);
}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--rose)}
.crumbs span.sep{color:#C9BFAE}
.crumbs span.now{color:var(--ink);font-weight:500}

/* 顶部横幅 + 页头 */
.page-hero{
  position:relative;
  margin-top:20px;
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--gold-soft);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.page-hero-media{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.22;
}
.page-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(250,247,241,.96) 0%,rgba(250,247,241,.86) 52%,rgba(250,247,241,.5) 100%);
}
.page-hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:1fr auto;
  gap:32px;
  align-items:end;
  padding:40px 40px 36px;
  min-height:224px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;
  background:var(--rose-soft);
  border:1px solid rgba(178,69,76,.28);
  color:var(--rose);
  font-size:13px;
  border-radius:var(--r-badge);
  margin-bottom:14px;
  font-weight:500;
}
.page-hero h1{
  font-size:36px;
  line-height:1.3;
  margin-bottom:14px;
  max-width:22em;
}
.page-hero .lede{
  font-size:17px;
  color:#41505C;
  max-width:36em;
  line-height:1.8;
}
.hero-badges{
  display:flex;flex-wrap:wrap;gap:10px;
  justify-content:flex-end;
  max-width:260px;
}
.badge-gold{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;
  font-size:13px;
  color:var(--ink);
  background:rgba(255,255,255,.72);
  border:1px solid var(--gold);
  border-radius:var(--r-badge);
  white-space:nowrap;
}
.badge-rose{
  display:inline-flex;align-items:center;
  padding:4px 10px;
  font-size:13px;
  color:var(--rose);
  background:var(--rose-soft);
  border-radius:var(--r-badge);
}

/* 解析主体：左目录 + 右长文 */
.analysis{
  display:grid;
  grid-template-columns:236px minmax(0,1fr);
  gap:48px;
  padding:64px 0 8px;
}
.toc{
  position:sticky;
  top:32px;
  align-self:start;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 20px;
  box-shadow:var(--sh-1);
}
.toc h2{
  font-family:"Noto Sans SC",sans-serif;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--muted);
  font-weight:500;
  margin-bottom:14px;
}
.toc ol{display:flex;flex-direction:column;gap:4px}
.toc a{
  display:flex;
  gap:10px;
  padding:8px 10px;
  border-radius:8px;
  font-size:14px;
  color:#3D4B57;
  text-decoration:none;
  border-left:3px solid transparent;
  transition:background var(--tr),color var(--tr),border-color var(--tr);
}
.toc a em{
  font-style:normal;
  font-family:"Noto Serif SC",serif;
  color:var(--gold);
  font-size:13px;
  line-height:1.7;
}
.toc a:hover{background:var(--milk);color:var(--rose)}
.toc a.is-current{
  background:var(--rose-soft);
  border-left-color:var(--rose);
  color:var(--rose);
  font-weight:600;
}
.toc-note{
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--muted);
  line-height:1.7;
}

.chapters{display:flex;flex-direction:column;gap:44px}
.chapter{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:34px 36px;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--tr),transform var(--tr),border-color var(--tr);
}
.chapter:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:rgba(178,69,76,.35)}
.chapter-num{
  font-family:"Noto Serif SC",serif;
  font-size:28px;
  color:var(--gold);
  line-height:1;
  margin-bottom:12px;
  display:block;
}
.chapter h2{
  font-size:26px;
  margin-bottom:18px;
  line-height:1.35;
}
.chapter p{font-size:16.5px;line-height:1.9;color:#33414D;margin-bottom:18px}
.chapter p:last-of-type{margin-bottom:22px}
.chapter blockquote{
  margin:0;
  background:var(--milk);
  border-left:3px solid var(--rose);
  border-radius:0 var(--r-img) var(--r-img) 0;
  padding:16px 20px;
  font-size:15px;
  line-height:1.8;
  color:#3D4B57;
}
.chapter-thumb{
  margin:0 0 22px;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--gold-soft);
}
.chapter-thumb img{width:100%;height:200px;object-fit:cover}
.chapter-thumb figcaption{font-size:12.5px;color:var(--muted);padding:10px 14px;background:#fff}

/* 线索速记 */
.clues{
  padding:64px 0 0;
}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:28px;
}
.sec-head h2{font-size:28px}
.sec-head .sub{font-size:14.5px;color:var(--muted);margin-top:8px;max-width:34em;line-height:1.8}
.clue-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 40px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:12px 32px;
  box-shadow:var(--sh-1);
}
.clue-row{
  display:flex;
  gap:16px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
.clue-row:nth-last-child(-n+2){border-bottom:0}
.clue-row .dot{
  flex:0 0 auto;
  margin-top:7px;
  width:9px;height:9px;border-radius:50%;
  background:var(--gold);
  box-shadow:0 0 0 4px rgba(220,178,100,.18);
}
.clue-row h3{font-family:"Noto Sans SC",sans-serif;font-size:15.5px;font-weight:600;color:var(--ink);margin-bottom:4px}
.clue-row p{font-size:14.5px;color:#4C5A66;line-height:1.75}

/* 结尾 CTA */
.final-cta{
  margin:80px 0 0;
  background:var(--rose-soft);
  border:1px solid rgba(178,69,76,.24);
  border-radius:var(--r-card);
  padding:44px 44px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:32px;
  align-items:center;
}
.final-cta h2{font-size:28px;margin-bottom:12px}
.final-cta p{font-size:15.5px;color:#4A5865;max-width:38em;line-height:1.8}
.final-cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn-primary-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;
  background:var(--rose);
  color:#fff;
  border:1px solid var(--rose);
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  text-decoration:none;
  cursor:pointer;
  transition:background var(--tr),transform var(--tr),box-shadow var(--tr);
}
.btn-primary-pill:hover{background:var(--rose-deep);border-color:var(--rose-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(143,52,59,.26)}
.btn-primary-pill:active{transform:translateY(0);box-shadow:none}
.btn-ghost-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;
  background:transparent;
  color:var(--ink);
  border:1.5px solid var(--ink);
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  text-decoration:none;
  cursor:pointer;
  transition:background var(--tr),border-color var(--tr),color var(--tr),transform var(--tr);
}
.btn-ghost-pill:hover{background:var(--rose-soft);border-color:var(--rose);color:var(--rose-deep);transform:translateY(-1px)}
.btn-ghost-pill:active{transform:translateY(0)}

/* ---------- 页脚 ---------- */
.site-foot{
  margin-left:var(--side);
  background:var(--milk);
  border-top:1px solid var(--gold);
  margin-top:80px;
  padding:56px 0 28px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:40px;
}
.foot-brand-row{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand-row strong{font-family:"Noto Serif SC",serif;font-size:16px;color:var(--ink)}
.foot-brand p{font-size:14px;color:var(--muted);line-height:1.9;max-width:24em}
.foot-kw{
  margin-top:14px;
  font-size:13px;
  color:var(--ink);
  border:1px solid var(--gold);
  border-radius:var(--r-badge);
  padding:6px 12px;
  display:inline-block;
}
.foot-col h4{
  font-family:"Noto Sans SC",sans-serif;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:14px;
  letter-spacing:.02em;
}
.foot-col ul{display:flex;flex-direction:column;gap:8px}
.foot-col a{font-size:14px;color:#48565F;text-decoration:none}
.foot-col a:hover{color:var(--rose);text-decoration:underline}
.foot-col p{font-size:13.5px;color:var(--muted);line-height:1.9;margin-bottom:8px}
.foot-copy{
  margin-top:36px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:28px;bottom:28px;
  z-index:1030;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  background:var(--rose);
  color:#fff;
  border:1px solid var(--rose);
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  text-decoration:none;
  box-shadow:0 12px 26px rgba(143,52,59,.3);
  transition:background var(--tr),padding var(--tr),box-shadow var(--tr),transform var(--tr);
}
.float-cta:hover{background:var(--rose-deep);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(143,52,59,.36)}
.float-cta .cta-short{display:none}
.float-cta.compact{padding:12px 18px;font-size:14px}
.float-cta.compact .cta-long{display:none}
.float-cta.compact .cta-short{display:inline}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--side:216px}
  .page-hero h1{font-size:32px}
  .analysis{grid-template-columns:210px minmax(0,1fr);gap:32px}
  .chapter{padding:28px 26px}
  .chapter h2{font-size:23px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .final-cta{grid-template-columns:1fr;padding:34px 30px}
}
@media (max-width:991.98px){
  .app-side{display:none}
  .mobile-bar{display:flex}
  .app-main,.site-foot{margin-left:0}
  .app-main{padding-top:60px}
  .wrap{padding:0 20px}
  .crumbs{padding-top:20px}
  .page-hero-inner{grid-template-columns:1fr;padding:28px 24px;min-height:auto;align-items:start;gap:18px}
  .page-hero h1{font-size:28px}
  .page-hero .lede{font-size:16px}
  .hero-badges{justify-content:flex-start;max-width:none}
  .analysis{grid-template-columns:1fr;gap:28px;padding:40px 0 0}
  .toc{position:static;top:auto}
  .toc ol{flex-direction:row;flex-wrap:wrap;gap:8px}
  .toc a{flex:0 0 auto;background:var(--milk);border-left:0;border:1px solid var(--line);padding:7px 12px;font-size:13.5px}
  .toc a.is-current{border-color:var(--rose)}
  .chapters{gap:28px}
  .chapter{padding:26px 22px}
  .chapter h2{font-size:22px}
  .chapter p{font-size:16px}
  .chapter-thumb img{height:170px}
  .clues{padding-top:44px}
  .clue-list{grid-template-columns:1fr;padding:8px 22px}
  .clue-row:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
  .clue-row:last-child{border-bottom:0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px}
  .sec-head h2{font-size:22px}
  .site-foot{margin-top:56px;padding:44px 0 24px}
  .final-cta{margin-top:56px}
  .final-cta h2{font-size:22px}
  .final-cta-actions{flex-direction:column;align-items:stretch}
  .final-cta-actions .btn-primary-pill,
  .final-cta-actions .btn-ghost-pill{width:100%}
  body{padding-bottom:84px}
  .float-cta{
    left:16px;right:16px;bottom:12px;
    height:56px;padding:0 20px;
    font-size:15.5px;
  }
  .float-cta.compact{padding:0 20px;font-size:15px}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px}
  .page-hero h1{font-size:26px}
  .chapter{padding:22px 18px}
  .chapter h2{font-size:21px}
  .chapter-num{font-size:24px}
  .chapter blockquote{font-size:14.5px;padding:14px 16px}
  .toc{padding:18px 16px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-copy{flex-direction:column;gap:8px}
}

/* roulang page: category5 */
:root{
  --ink:#26485C;
  --ink-deep:#1A3242;
  --milk:#FAF7F1;
  --card:#FFFFFF;
  --rouge:#B2454C;
  --rouge-deep:#8F343B;
  --rouge-soft:#FBEDEE;
  --gold:#DCB264;
  --gold-soft:#F0E2C4;
  --text:#2C3742;
  --muted:#6B7783;
  --line:#E6DFD3;
  --r-card:16px;
  --r-img:12px;
  --r-btn:999px;
  --r-badge:6px;
  --r-input:10px;
  --sh-card:0 8px 24px rgba(38,72,92,.06);
  --sh-hover:0 14px 32px rgba(38,72,92,.12);
  --t:.22s ease;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--milk);
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-weight:700;
  color:var(--ink);
  line-height:1.32;
  letter-spacing:.015em;
  margin:0;
}
p{margin:0 0 16px;}
a{color:var(--ink);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--rouge);}
img{max-width:100%;display:block;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px dashed var(--gold);outline-offset:3px;}

/* ============ 布局骨架 ============ */
.side{
  position:fixed;
  top:0;left:0;
  width:248px;height:100vh;
  background:var(--ink);
  z-index:1040;
}
.side-inner{
  height:100%;
  overflow-y:auto;
  padding:24px 12px 24px;
  display:flex;
  flex-direction:column;
}
.side-inner::-webkit-scrollbar{width:6px;}
.side-inner::-webkit-scrollbar-thumb{background:rgba(220,178,100,.3);border-radius:6px;}
.side-inner::-webkit-scrollbar-track{background:transparent;}
.side-brand{
  display:flex;align-items:center;gap:12px;
  padding:0 12px 18px;
  margin-bottom:16px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:10px;
  background:var(--gold);
  color:var(--ink-deep);
  font-family:"Noto Serif SC",serif;
  font-weight:700;font-size:19px;
  display:flex;align-items:center;justify-content:center;
}
.brand-name strong{display:block;color:#fff;font-size:15px;letter-spacing:.02em;}
.brand-name span{display:block;color:rgba(255,255,255,.7);font-size:12.5px;letter-spacing:.1em;}
.side-nav{padding:0 12px;}
.side-nav .nav-item{
  position:relative;
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;
  margin-bottom:2px;
  border-radius:10px;
  color:rgba(255,255,255,.78);
  font-size:15px;
  line-height:1.5;
  transition:background var(--t),color var(--t),transform var(--t);
}
.side-nav .nav-item .ic{width:18px;height:18px;flex:0 0 18px;}
.side-nav .nav-item:hover{background:rgba(255,255,255,.06);color:#fff;transform:translateX(2px);}
.side-nav .nav-item.active{background:rgba(251,237,238,.18);color:#fff;font-weight:600;}
.side-nav .nav-item.active::before{
  content:"";position:absolute;left:-12px;top:8px;bottom:8px;width:3px;
  border-radius:2px;background:var(--rouge);
}
.side-sub{margin-top:26px;padding:16px 12px 0;border-top:1px solid rgba(255,255,255,.12);}
.side-sub-title{
  font-size:11.5px;letter-spacing:.14em;color:rgba(255,255,255,.45);
  margin:0 0 8px;
}
.side-sub a{
  display:block;
  font-size:13.5px;
  color:rgba(255,255,255,.62);
  padding:6px 0 6px 12px;
  border-left:1px solid rgba(255,255,255,.12);
}
.side-sub a:hover{color:var(--gold-soft);border-left-color:var(--gold);}
.side-foot{margin-top:auto;padding:20px 12px 0;}
.side-note{font-size:12.5px;color:rgba(255,255,255,.55);line-height:1.7;margin:0 0 12px;}
.side-cta{
  display:block;text-align:center;
  background:var(--rouge);color:#fff;
  border-radius:var(--r-btn);
  padding:10px 14px;font-size:14px;font-weight:600;
  transition:background var(--t),transform var(--t),box-shadow var(--t);
}
.side-cta:hover{background:var(--rouge-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 20px rgba(0,0,0,.22);}

.main{margin-left:248px;min-height:100vh;display:flex;flex-direction:column;}
.page{width:100%;max-width:1120px;margin:0 auto;padding:36px 32px 0;flex:1 0 auto;}

/* 移动顶栏 */
.mobile-bar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:60px;
  background:var(--ink);
  align-items:center;justify-content:space-between;
  padding:0 16px;
  z-index:1035;
  box-shadow:0 4px 18px rgba(26,50,66,.18);
}
.mobile-bar .brand-line{display:flex;align-items:center;gap:10px;}
.mobile-bar .brand-mark{width:32px;height:32px;flex:0 0 32px;font-size:17px;border-radius:8px;}
.mobile-bar .brand-txt{color:#fff;font-family:"Noto Serif SC",serif;font-size:15.5px;letter-spacing:.02em;}
.burger{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  background:transparent;border:0;border-radius:10px;
  color:#fff;cursor:pointer;
}
.burger:hover{background:rgba(255,255,255,.08);}
.burger span{display:block;width:20px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:currentColor;border-radius:2px;}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

.offcanvas.side-drawer{background:var(--ink);color:#fff;width:280px;border:0;}
.side-drawer .offcanvas-body{padding:20px 12px;overflow-y:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 12px 16px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:16px;}
.drawer-close{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  background:transparent;border:0;color:#fff;border-radius:10px;font-size:22px;line-height:1;cursor:pointer;
}
.drawer-close:hover{background:rgba(255,255,255,.08);}
.offcanvas-backdrop.show{background:rgba(26,50,66,.6);opacity:1;}

/* ============ 通用组件 ============ */
.crumb{
  font-size:13px;color:var(--muted);
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin-bottom:24px;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--rouge);}
.crumb .sep{color:#C9C1B4;}
.crumb .now{color:var(--text);}

.badge-soft{
  display:inline-block;
  font-size:13px;
  padding:4px 10px;
  border-radius:var(--r-badge);
  background:var(--rouge-soft);
  color:var(--rouge);
  font-weight:500;
  letter-spacing:.02em;
}
.chip{
  display:inline-block;
  font-size:13px;
  padding:4px 10px;
  border-radius:var(--r-badge);
  border:1px solid var(--gold);
  color:var(--ink);
  background:#fff;
  white-space:nowrap;
}

.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--rouge);color:#fff;
  border:0;border-radius:var(--r-btn);
  padding:12px 26px;
  font-size:15.5px;font-weight:600;
  cursor:pointer;
  transition:background var(--t),transform var(--t),box-shadow var(--t);
}
.btn-main:hover{background:var(--rouge-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(143,52,59,.24);}
.btn-main:active{transform:none;box-shadow:none;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--ink);
  border:1.5px solid var(--ink);
  border-radius:var(--r-btn);
  padding:10.5px 24px;
  font-size:15.5px;font-weight:600;
  cursor:pointer;
  transition:background var(--t),border-color var(--t),color var(--t),transform var(--t);
}
.btn-ghost:hover{background:var(--rouge-soft);border-color:var(--rouge);color:var(--rouge-deep);transform:translateY(-1px);}
.btn-ghost:active{transform:none;}
.link-more{
  font-size:14.5px;font-weight:600;color:var(--ink);
  text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;
}
.link-more:hover{color:var(--rouge);}

.sec{margin-top:72px;}
.sec:first-of-type{margin-top:0;}
.narrow{max-width:880px;}

/* ============ 页头 ============ */
.page-head{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:32px;
  align-items:end;
  margin-bottom:28px;
}
.page-head h1{
  font-size:clamp(28px,3vw,34px);
  line-height:1.36;
  margin:14px 0 12px;
}
.page-head .lead{
  font-size:17.5px;
  line-height:1.8;
  color:var(--muted);
  max-width:620px;
  margin:0;
}
.head-badges{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;max-width:280px;}

.hero-banner{
  position:relative;
  height:220px;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background-color:var(--gold-soft);
  background-image:
    linear-gradient(100deg,rgba(250,247,241,.94) 42%,rgba(250,247,241,.78) 100%),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center center;
  display:flex;
  align-items:flex-end;
  padding:26px 30px;
}
.hero-banner .hb-kicker{
  font-size:12.5px;letter-spacing:.14em;color:var(--rouge);
  margin:0 0 6px;font-weight:600;
}
.hero-banner .hb-text{
  font-family:"Noto Serif SC",serif;
  font-size:19px;color:var(--ink-deep);margin:0;line-height:1.5;
}

/* ============ 提问前先看 ============ */
.before-list{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:26px 28px;
}
.before-list h2{font-size:21px;margin-bottom:6px;}
.before-list .sub{font-size:14px;color:var(--muted);margin:0 0 18px;}
.before-item{
  display:grid;
  grid-template-columns:28px minmax(0,1fr);
  gap:12px;
  padding:14px 0;
  border-bottom:1px solid var(--line);
}
.before-item:last-child{border-bottom:0;padding-bottom:0;}
.before-item .num{
  font-family:"Noto Serif SC",serif;
  font-size:20px;color:var(--gold);line-height:1.4;
}
.before-item h3{font-size:16.5px;margin:0 0 2px;}
.before-item p{font-size:14.5px;color:var(--muted);line-height:1.75;margin:0;}

/* ============ FAQ 手风琴 ============ */
.sec-head{margin-bottom:24px;}
.sec-head h2{font-size:26px;margin-bottom:8px;}
.sec-head p{font-size:15px;color:var(--muted);margin:0;}

.faq-acc .accordion-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  margin-bottom:12px;
  box-shadow:var(--sh-card);
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-acc .accordion-item:hover{border-color:rgba(178,69,76,.35);box-shadow:var(--sh-hover);}
.faq-acc .accordion-button{
  position:relative;
  background:var(--card);
  color:var(--ink);
  font-family:"Noto Sans SC",sans-serif;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  padding:18px 58px 18px 20px;
  border:0;
  box-shadow:none;
  text-align:left;
}
.faq-acc .accordion-button:not(.collapsed){
  background:var(--rouge-soft);
  color:var(--ink-deep);
}
.faq-acc .accordion-button:focus{
  box-shadow:inset 0 0 0 2px rgba(178,69,76,.18);
  border-color:transparent;
}
.faq-acc .accordion-button::after{display:none;}
.faq-acc .plus{
  position:absolute;right:20px;top:50%;
  width:16px;height:16px;
  transform:translateY(-50%);
  transition:transform var(--t);
}
.faq-acc .plus::before,
.faq-acc .plus::after{
  content:"";position:absolute;background:var(--gold);border-radius:2px;
  transition:background var(--t);
}
.faq-acc .plus::before{left:0;top:7px;width:16px;height:2px;}
.faq-acc .plus::after{left:7px;top:0;width:2px;height:16px;}
.faq-acc .accordion-button:not(.collapsed) .plus{transform:translateY(-50%) rotate(45deg);}
.faq-acc .accordion-button:not(.collapsed) .plus::before,
.faq-acc .accordion-button:not(.collapsed) .plus::after{background:var(--rouge);}
.faq-acc .accordion-body{
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.9;
  color:var(--text);
  background:var(--card);
}
.faq-acc .accordion-button:not(.collapsed) + .accordion-collapse .accordion-body{background:var(--rouge-soft);}

/* ============ 提问卡 + 提示 ============ */
.ask-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);
  gap:24px;
  align-items:start;
}
.ask-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:28px;
}
.ask-card h2{font-size:23px;margin-bottom:8px;}
.ask-card > p{font-size:14.5px;color:var(--muted);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:14px;
  font-weight:500;
  color:var(--ink);
  margin-bottom:8px;
}
.field .ctrl{
  width:100%;
  min-height:48px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  padding:12px 14px;
  font-size:15px;
  color:var(--text);
  line-height:1.6;
  transition:border-color var(--t),box-shadow var(--t);
}
textarea.ctrl{min-height:120px;resize:vertical;}
.field .ctrl::placeholder{color:#9AA5AE;}
.field .ctrl:hover{border-color:#D9D0C2;}
.field .ctrl:focus{
  outline:none;
  border-color:var(--rouge);
  box-shadow:0 0 0 3px rgba(178,69,76,.15);
}
.field .ctrl:disabled{opacity:.5;cursor:not-allowed;}
.field .err{display:block;font-size:13px;color:var(--rouge);margin-top:6px;}
.field .hint{display:block;font-size:13px;color:var(--muted);margin-top:6px;}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:6px;}
.form-actions .note{font-size:13px;color:var(--muted);margin:0;}

.tip-card{
  background:var(--ink);
  color:rgba(255,255,255,.78);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-card);
}
.tip-card h3{
  color:#fff;font-size:18px;margin-bottom:14px;
  padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.12);
}
.tip-card li{
  position:relative;
  padding-left:16px;
  font-size:14px;
  line-height:1.8;
  margin-bottom:12px;
}
.tip-card li::before{
  content:"";position:absolute;left:0;top:10px;
  width:6px;height:6px;border-radius:50%;background:var(--gold);
}
.tip-card li:last-child{margin-bottom:0;}
.tip-card .tip-foot{
  margin-top:18px;padding-top:14px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);line-height:1.7;
}

/* ============ 收尾 CTA ============ */
.cta-band{
  margin-top:72px;
  background:var(--card);
  border:1px solid var(--line);
  border-top:3px solid var(--gold);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:40px 36px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:28px;
  align-items:center;
}
.cta-band h2{font-size:26px;margin-bottom:10px;}
.cta-band p{font-size:15px;color:var(--muted);margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;
  right:28px;bottom:28px;
  z-index:1030;
  background:var(--rouge);
  color:#fff;
  border-radius:var(--r-btn);
  padding:13px 24px;
  font-size:15px;font-weight:600;
  box-shadow:0 12px 28px rgba(143,52,59,.28);
  display:inline-flex;align-items:center;gap:8px;
  transition:background var(--t),transform var(--t),padding var(--t);
}
.float-cta:hover{background:var(--rouge-deep);color:#fff;transform:translateY(-2px);}

/* ============ 页脚 ============ */
.site-foot{
  flex-shrink:0;
  margin-top:80px;
  background:var(--milk);
  border-top:1px solid var(--gold);
  color:var(--ink);
  padding:56px 0 28px;
}
.wrap{max-width:1120px;margin:0 auto;padding:0 32px;}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.5fr;
  gap:36px;
}
.foot-brand-row{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand-row .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:17px;border-radius:9px;}
.foot-brand-row strong{font-family:"Noto Serif SC",serif;font-size:16px;color:var(--ink-deep);}
.foot-brand p{font-size:14px;color:var(--muted);line-height:1.8;margin:0 0 14px;}
.foot-kw{font-size:12.5px;color:var(--muted);letter-spacing:.02em;}
.foot-col h4{font-size:15px;color:var(--ink-deep);margin-bottom:14px;font-family:"Noto Sans SC",sans-serif;font-weight:600;}
.foot-col ul li{margin-bottom:9px;}
.foot-col ul a{font-size:14px;color:var(--muted);}
.foot-col ul a:hover{color:var(--rouge);}
.foot-col p{font-size:13.5px;color:var(--muted);line-height:1.9;margin:0 0 10px;}
.foot-copy{
  margin-top:40px;padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--muted);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .side{width:216px;}
  .main{margin-left:216px;}
  .page{padding-left:28px;padding-right:28px;}
  .wrap{padding:0 28px;}
  .foot-grid{grid-template-columns:1.5fr 1fr 1fr;gap:28px;}
  .foot-col:last-child{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .side{display:none;}
  .main{margin-left:0;}
  .mobile-bar{display:flex;}
  .page{padding:84px 22px 0;}
  .wrap{padding:0 22px;}
  .page-head{grid-template-columns:1fr;gap:16px;align-items:start;}
  .head-badges{justify-content:flex-start;max-width:none;}
  .hero-banner{height:180px;padding:20px 22px;}
  .h1{font-size:28px;}
  .page-head h1{font-size:28px;}
  .sec{margin-top:52px;}
  .cta-band{grid-template-columns:1fr;padding:30px 24px;gap:20px;}
  .ask-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .foot-col:last-child{grid-column:auto;}
  .site-foot{padding-bottom:96px;margin-top:56px;}
  .float-cta{
    left:16px;right:16px;bottom:12px;
    justify-content:center;
    height:56px;padding:0 20px;font-size:15.5px;
    border-radius:28px;
    box-shadow:0 10px 26px rgba(143,52,59,.32);
  }
}
@media (max-width:575.98px){
  body{font-size:16px;}
  .page{padding:80px 18px 0;}
  .wrap{padding:0 18px;}
  .page-head h1{font-size:26px;}
  .page-head .lead{font-size:16px;}
  .hero-banner{height:160px;}
  .hero-banner .hb-text{font-size:16.5px;}
  .before-list{padding:20px 18px;}
  .ask-card{padding:22px 18px;}
  .sec-head h2{font-size:22px;}
  .cta-band h2{font-size:22px;}
  .faq-acc .accordion-button{font-size:15px;padding:16px 50px 16px 16px;}
  .faq-acc .accordion-body{padding:0 16px 18px;font-size:15px;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .foot-copy{flex-direction:column;}
  .form-actions .btn-main{width:100%;}
}