/* roulang page: index */
:root{
  --brand:#E1523B;
  --brand-dark:#C33F2B;
  --teal:#0E7A6B;
  --gold:#F3AE1B;
  --bg:#F7F3EE;
  --surface:#FFFFFF;
  --surface-2:#FBF7F2;
  --line:#E9E0D6;
  --ink:#171310;
  --ink-2:#5B544E;
  --ink-3:#8E867F;
  --dark:#1A1218;
  --dark-2:#2E1A1A;
  --r-sm:10px;
  --r-md:12px;
  --r-card:20px;
  --r-lg:24px;
  --r-xl:28px;
  --shadow-sm:0 2px 6px rgba(70,35,18,.05);
  --shadow-md:0 10px 28px rgba(70,35,18,.10);
  --shadow-lg:0 18px 48px rgba(70,35,18,.14);
  --grad:linear-gradient(120deg,#E1523B,#F0763A 55%,#F3AE1B);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16.5px;
  line-height:1.8;
  font-feature-settings:"tnum" 0;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 顶部品牌行 ---------- */
.site-header{position:relative;z-index:60}
.topbar{background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:40px;height:40px;flex:0 0 auto;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:17px;
  letter-spacing:-.02em;box-shadow:0 6px 16px rgba(225,82,59,.28);
}
.brand-text{min-width:0}
.brand-text strong{display:block;font-size:15.5px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text small{display:block;font-size:11.5px;letter-spacing:.10em;color:var(--ink-3);line-height:1.5}
.top-nav{display:none;align-items:center;gap:26px;font-size:14.5px;color:var(--ink-2)}
.top-nav a{padding:6px 0;transition:color .18s var(--ease)}
.top-nav a:hover{color:var(--brand)}
.top-actions{display:none}
@media(min-width:1024px){
  .top-nav{display:flex}
  .top-actions{display:flex;align-items:center;gap:12px}
}
@media(min-width:520px) and (max-width:1023px){
  .top-actions{display:flex}
}

/* ---------- 频道行 ---------- */
.channel-bar{
  position:sticky;top:0;z-index:55;
  background:rgba(247,243,238,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.channel-inner{
  display:flex;align-items:center;gap:10px;height:56px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);
  font-size:14px;font-weight:500;transition:all .18s var(--ease);
}
.channel:hover{color:var(--brand);border-color:#EBC8BA;background:var(--surface-2)}
.channel.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(225,82,59,.24)}
.channel.active:hover{color:#fff;border-color:transparent}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn-pill{border-radius:999px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(225,82,59,.24)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(225,82,59,.22)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--surface-2);border-color:#EBC8BA;color:var(--brand-dark)}
.btn-ghost:active{background:#F6EDE6}
.btn-dark{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.22);color:#fff}
.btn-dark:hover{background:rgba(255,255,255,.2)}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--teal);font-size:14.5px;font-weight:600;transition:color .18s var(--ease)}
.link-arrow span{transition:transform .22s var(--ease)}
.link-arrow:hover{color:var(--brand)}
.link-arrow:hover span{transform:translateX(4px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;font-size:12.5px;font-weight:600;line-height:1;
  background:rgba(14,122,107,.08);color:var(--teal);
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;flex:0 0 auto}
.badge-gold{background:rgba(243,174,27,.16);color:#96690A}
.badge-brand{background:rgba(225,82,59,.10);color:var(--brand)}
.badge-soft{background:rgba(255,255,255,.14);color:#FFE7C9}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:44px 0 52px}
.hero::after{
  content:"";position:absolute;right:-140px;top:-160px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(225,82,59,.25),rgba(225,82,59,0) 70%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;gap:32px;grid-template-columns:1fr;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:48px}}
.hero h1{
  font-size:32px;line-height:1.25;font-weight:800;letter-spacing:-.01em;margin-bottom:16px;
}
@media(min-width:768px){.hero h1{font-size:44px;line-height:1.18}}
@media(min-width:1024px){.hero h1{font-size:50px;line-height:1.12}}
.hero-sub{font-size:16.5px;color:var(--ink-2);max-width:540px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px}
.stat-pill{
  display:inline-flex;align-items:baseline;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:8px 16px;box-shadow:var(--shadow-sm);
}
.stat-pill b{font-size:20px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.stat-pill span{font-size:12.5px;color:var(--ink-3)}

.hero-visual{position:relative}
.hero-cover{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);border:1px solid rgba(233,224,214,.9);
  aspect-ratio:16/9;background:linear-gradient(120deg,#F4E3D8,#F8EEE4);
}
.hero-cover img{width:100%;height:100%;object-fit:cover}
.hero-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(26,18,24,0) 40%,rgba(26,18,24,.62) 100%);
}
.hero-cover-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;display:flex;flex-wrap:wrap;gap:8px;
}
.hero-cover-tag .badge{background:rgba(255,255,255,.92);color:var(--ink);backdrop-filter:blur(6px)}
.hero-cover-live{
  position:absolute;right:16px;top:16px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  background:rgba(243,174,27,.96);color:#3A2600;font-size:12.5px;font-weight:700;
}
.hero-cover-live::before{content:"";width:7px;height:7px;border-radius:50%;background:#3A2600}

/* ---------- 数据条 ---------- */
.metrics{padding:0 0 56px}
.metrics-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(min-width:900px){.metrics-grid{grid-template-columns:repeat(4,1fr);gap:24px}}
.metric{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-sm);transition:transform .22s var(--ease),box-shadow .18s var(--ease);
}
.metric:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.metric b{display:block;font-size:26px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.metric span{display:block;font-size:12.5px;color:var(--ink-3);margin-top:2px}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:80px 0}}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.sec-title{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:800;letter-spacing:-.01em;line-height:1.3}
@media(min-width:768px){.sec-title{font-size:30px}}
.sec-title::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--grad);flex:0 0 auto}
.sec-desc{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:680px}

/* ---------- 直播预告流 ---------- */
.live-wrap{padding:8px 0 56px}
@media(min-width:1024px){.live-wrap{padding:8px 0 80px}}
.live-panel{
  position:relative;overflow:hidden;
  background:linear-gradient(140deg,#1A1218 0%,#2E1A1A 100%);
  border-radius:var(--r-xl);
  padding:28px;
  color:#F4EFE9;
  box-shadow:var(--shadow-lg);
}
@media(min-width:768px){.live-panel{padding:40px}}
.live-panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:8px 8px;opacity:.5;
}
.live-inner{position:relative;display:grid;gap:28px;grid-template-columns:1fr}
@media(min-width:1024px){.live-inner{grid-template-columns:1fr 1fr;gap:36px;align-items:start}}
.live-cover{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/9;background:#2E1A1A}
.live-cover img{width:100%;height:100%;object-fit:cover;opacity:.92}
.live-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,18,24,.15),rgba(26,18,24,.72))}
.live-cover-meta{position:absolute;left:16px;bottom:16px;right:16px;z-index:2;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.live-cover-title{font-size:16px;font-weight:700;color:#fff;line-height:1.5}
.live-badge{
  position:absolute;right:16px;top:16px;z-index:2;height:26px;padding:0 12px;border-radius:999px;
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;
  background:rgba(243,174,27,.96);color:#3A2600;
}
.live-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:#3A2600}
.live-head{font-size:13px;letter-spacing:.16em;color:#F3AE1B;font-weight:700;margin-bottom:12px}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:22px}
@media(min-width:640px){.countdown{gap:12px}}
.cd-box{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.14);
  border-radius:14px;padding:10px 6px;text-align:center;
}
@media(min-width:1024px){.cd-box{padding:12px 8px}}
.cd-box b{display:block;font-size:24px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
@media(min-width:1024px){.cd-box b{font-size:28px}}
.cd-box span{display:block;font-size:11.5px;color:#C9BFB7;margin-top:2px}
.hl-list{display:grid;gap:10px;margin-bottom:24px}
.hl-item{display:flex;gap:12px;align-items:flex-start;padding:8px 10px;border-radius:12px;transition:background-color .18s var(--ease)}
.hl-item:hover{background:rgba(255,255,255,.07)}
.hl-num{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:1px solid rgba(14,122,107,.9);
  color:#5FD3C0;display:grid;place-items:center;font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;
  margin-top:3px;
}
.hl-item p{font-size:14.5px;line-height:1.6;color:#E4DCD4;margin:0}
.sub-form{display:grid;gap:10px}
@media(min-width:640px){.sub-form{grid-template-columns:1fr auto}}
.sub-form input{
  height:48px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);padding:0 16px;color:#fff;font-size:15px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.sub-form input::placeholder{color:#A79C95}
.sub-form input:focus{outline:none;border-color:#0E7A6B;box-shadow:0 0 0 3px rgba(14,122,107,.28)}
.sub-note{font-size:12px;color:#A79C95;margin-top:10px}
.form-msg{font-size:13px;color:#5FD3C0;margin-top:8px;min-height:18px}
.live-foot{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12)}
@media(min-width:768px){.live-foot{justify-content:flex-end}}

/* ---------- 步骤区 ---------- */
.steps{display:grid;gap:20px;grid-template-columns:1fr;counter-reset:step}
@media(min-width:768px){.steps{grid-template-columns:repeat(2,1fr);gap:24px}}
@media(min-width:1100px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-sm);transition:transform .22s var(--ease),box-shadow .18s var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.step-num{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;margin-bottom:14px;box-shadow:0 6px 14px rgba(225,82,59,.24);
}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px;line-height:1.45}
.step p{font-size:14.5px;line-height:1.7;color:var(--ink-2);margin:0}

/* ---------- 场景卡 ---------- */
.grid-3{display:grid;gap:24px;grid-template-columns:1fr}
@media(min-width:768px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#E7D6C8}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;font-weight:700;line-height:1.45;margin:0}
.card-body p{font-size:14.5px;line-height:1.7;color:var(--ink-2);margin:0}
.card-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-3);
}
.card-meta .link-arrow{font-size:13px}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-empty{
  grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;text-align:center;padding:32px;color:var(--ink-2);
}
.news-empty .dot{
  width:44px;height:44px;border-radius:50%;background:rgba(225,82,59,.10);
  display:grid;place-items:center;color:var(--brand);font-weight:800;font-size:18px;
}
.news-empty p{font-size:14.5px;margin:0}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .18s var(--ease),border-color .18s var(--ease)}
.faq-item:hover{border-color:#E7D6C8}
.faq-item summary{
  list-style:none;cursor:pointer;padding:0 20px;min-height:60px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;line-height:1;color:var(--brand);transition:transform .22s var(--ease);flex:0 0 auto}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{
  padding:0 20px 18px 20px;font-size:15.5px;line-height:1.8;color:var(--ink-2);
  border-left:3px solid transparent;margin-left:0;
}
.faq-item[open] .faq-body{border-left-color:var(--brand);padding-left:17px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:linear-gradient(140deg,#1A1218,#2E1A1A);
  color:#F4EFE9;padding:32px;box-shadow:var(--shadow-lg);
}
@media(min-width:768px){.cta-band{padding:44px}}
.cta-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.18}
.cta-inner{position:relative;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.cta-inner h2{font-size:24px;font-weight:800;line-height:1.35;margin-bottom:10px}
@media(min-width:768px){.cta-inner h2{font-size:30px}}
.cta-inner p{font-size:15px;color:#CFC6BE;max-width:560px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(140deg,#1A1218,#2E1A1A);
  color:#CFC6BE;padding:56px 0 26px;margin-top:8px;
}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:768px){.footer-grid{grid-template-columns:2fr 1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:2.2fr 1fr 1fr 1fr}}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand strong{font-size:16px;color:#fff;font-weight:800}
.footer-brand small{display:block;font-size:11.5px;color:#9C9189;letter-spacing:.1em}
.footer-about{font-size:14px;line-height:1.8;color:#AFA49C;max-width:380px;margin:0}
.footer-col h4{font-size:14px;font-weight:600;color:#F3AE1B;margin-bottom:14px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#B9AFA8;transition:color .18s var(--ease),transform .18s var(--ease);display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;
  font-size:13px;color:#8E837C;
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom a:hover{color:#fff}

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

/* roulang page: article */
:root{
  --brand:#E1523B;
  --brand-deep:#C33F2B;
  --accent:#0E7A6B;
  --gold:#F3AE1B;
  --bg:#F7F3EE;
  --surface:#FFFFFF;
  --surface-2:#FBF7F2;
  --line:#E9E0D6;
  --ink:#171310;
  --ink-2:#5B544E;
  --ink-3:#8E867F;
  --dark:#1A1218;
  --dark-2:#2E1A1A;
  --radius-s:10px;
  --radius-m:12px;
  --radius-l:20px;
  --radius-xl:24px;
  --shadow-1:0 2px 6px rgba(70,35,18,.05);
  --shadow-2:0 10px 28px rgba(70,35,18,.10);
  --shadow-3:0 18px 48px rgba(70,35,18,.14);
  --grad:linear-gradient(120deg,#E1523B,#F0763A 55%,#F3AE1B);
  --grad-dark:linear-gradient(140deg,#1A1218,#2E1A1A);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- header ---------- */
.site-header{position:relative;z-index:40}
.topbar{background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:var(--grad);color:#fff;font-weight:700;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(225,82,59,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:16px;font-weight:700;letter-spacing:-.01em}
.brand-text small{font-size:11.5px;color:var(--ink-3);letter-spacing:.08em}
.top-nav{display:flex;align-items:center;gap:26px}
.top-nav a{font-size:14.5px;color:var(--ink-2);padding:6px 2px;transition:color .18s var(--ease)}
.top-nav a:hover{color:var(--brand)}
.top-actions{display:flex;align-items:center;gap:12px}
.channel-bar{position:sticky;top:0;z-index:35;background:rgba(247,243,238,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;gap:10px;min-height:60px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  flex:0 0 auto;height:36px;display:inline-flex;align-items:center;
  padding:0 16px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);font-size:14px;color:var(--ink-2);
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.channel:hover{background:#FDF1EA;border-color:#F3D3C6;color:var(--brand-deep);transform:translateY(-1px)}
.channel.active{background:var(--grad);border-color:transparent;color:#fff;font-weight:600;box-shadow:0 6px 16px rgba(225,82,59,.22)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-m);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-pill{border-radius:999px}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(225,82,59,.26)}
.btn-primary:hover{box-shadow:0 12px 26px rgba(225,82,59,.34);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(225,82,59,.28)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:#FBF0EA;border-color:#EFCDBF;color:var(--brand-deep)}
.btn-dark{background:#fff;color:var(--ink);border-color:transparent}
.btn-dark:hover{background:#FBF0EA;transform:translateY(-1px)}

/* ---------- breadcrumb ---------- */
.crumb-wrap{padding:22px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.crumb a{color:var(--ink-2);transition:color .18s var(--ease)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#CDC2B6}
.crumb .current{color:var(--brand);font-weight:600}

/* ---------- article head ---------- */
.article-head{padding:26px 0 8px}
.article-head-inner{max-width:820px}
.post-badge{
  display:inline-flex;align-items:center;gap:7px;height:26px;padding:0 13px;
  border-radius:999px;background:rgba(14,122,107,.08);color:var(--accent);
  font-size:12.5px;font-weight:600;
}
.post-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.article-title{
  margin:16px 0 0;font-size:36px;line-height:1.25;font-weight:700;letter-spacing:-.012em;color:var(--ink);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:18px;font-size:13.5px;color:var(--ink-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CDC2B6}
.article-meta .strong{color:var(--ink-2);font-weight:600}
.head-split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px}
.share-group{display:flex;align-items:center;gap:10px;padding-bottom:4px}
.share-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);
  display:flex;align-items:center;justify-content:center;color:var(--ink-2);
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.share-btn svg{width:17px;height:17px}
.share-btn:hover{background:#FBF0EA;color:var(--brand-deep);border-color:#EFCDBF;transform:translateY(-1px)}

/* ---------- article body ---------- */
.article-main{padding:34px 0 72px}
.article-shell{
  max-width:820px;margin:0 auto;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-xl);
  box-shadow:var(--shadow-1);padding:44px 48px;
}
.article-body{font-size:17px;line-height:1.85;color:var(--ink-2)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;margin:2.2em 0 .8em;padding-left:14px;
  font-size:26px;line-height:1.35;font-weight:700;color:var(--ink);letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--grad);
}
.article-body h3{margin:1.8em 0 .6em;font-size:20px;line-height:1.45;font-weight:600;color:var(--ink)}
.article-body h4{margin:1.5em 0 .5em;font-size:17px;font-weight:600;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.5em;list-style:revert}
.article-body li{margin:.4em 0;line-height:1.9}
.article-body ul li::marker{color:var(--accent)}
.article-body ol li::marker{color:var(--accent);font-weight:600}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;background:var(--surface-2);
  border-left:4px solid var(--gold);border-radius:0 12px 12px 0;color:var(--ink);
}
.article-body blockquote p{margin:0 0 .6em}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:1.6em auto;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;text-decoration-color:rgba(14,122,107,.28)}
.article-body a:hover{color:var(--brand)}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;background:var(--surface);
  display:block;overflow-x:auto;border:1px solid var(--line);border-radius:12px;
}
.article-body th,.article-body td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body th{background:var(--surface-2);font-weight:600;color:var(--ink)}
.article-body tr:last-child td{border-bottom:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body code{background:var(--surface-2);border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:14px;color:var(--brand-deep)}

/* ---------- empty state ---------- */
.empty-box{
  max-width:560px;margin:0 auto;text-align:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:56px 28px;box-shadow:var(--shadow-1);
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
}
.empty-box h2{font-size:22px;margin-bottom:10px;color:var(--ink)}
.empty-box p{font-size:15px;color:var(--ink-3);margin-bottom:22px}

/* ---------- tags ---------- */
.tag-block{max-width:820px;margin:32px auto 0;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-block .label{font-size:13px;color:var(--ink-3);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);font-size:13px;color:var(--ink-2);
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.tag:hover{background:#FBF0EA;color:var(--brand-deep);border-color:#EFCDBF}

/* ---------- related ---------- */
.related{padding:8px 0 72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-title{position:relative;padding-left:14px;font-size:28px;line-height:1.3;font-weight:700;letter-spacing:-.01em}
.section-title::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--grad)}
.section-sub{margin-top:8px;font-size:14.5px;color:var(--ink-3)}
.link-more{font-size:14px;font-weight:600;color:var(--accent);border-bottom:2px solid rgba(14,122,107,.25);padding-bottom:2px;transition:color .18s var(--ease),border-color .18s var(--ease)}
.link-more:hover{color:var(--brand);border-color:rgba(225,82,59,.4)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#EFE2D6}
.card-cover{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--surface-2)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{display:flex;flex-direction:column;flex:1;padding:20px 20px 18px}
.card-title{font-size:18px;line-height:1.5;font-weight:600;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{margin-top:10px;font-size:14.5px;line-height:1.7;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-3)}
.card-foot .arrow{color:var(--brand);transition:transform .2s var(--ease)}
.card:hover .card-foot .arrow{transform:translateX(4px)}

/* ---------- cta ---------- */
.post-cta{padding:0 0 80px}
.cta-band{
  position:relative;overflow:hidden;border-radius:28px;background:var(--grad-dark);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--shadow-3);
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.16;pointer-events:none;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:27px;line-height:1.35;color:#fff;font-weight:700;letter-spacing:-.01em}
.cta-band p{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.72);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--grad-dark);color:#fff;padding:64px 0 28px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand strong{font-size:16px;display:block;line-height:1.3}
.footer-brand small{font-size:11.5px;color:rgba(255,255,255,.5);letter-spacing:.08em}
.footer-about{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:360px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--gold);margin-bottom:16px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);display:inline-block;transition:color .18s var(--ease),transform .18s var(--ease)}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:20px}
.footer-bottom nav a{color:rgba(255,255,255,.6);transition:color .18s var(--ease)}
.footer-bottom nav a:hover{color:#fff}

@media (max-width:1024px){
  .article-title{font-size:32px}
  .article-shell{padding:36px 32px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:36px 32px}
}
@media (max-width:768px){
  .top-nav{display:none}
  .article-title{font-size:27px}
  .head-split{flex-direction:column;align-items:flex-start;gap:18px}
  .article-shell{padding:26px 20px;border-radius:var(--radius-l)}
  .article-body{font-size:16.5px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .section-title{font-size:23px}
  .cta-band{flex-direction:column;align-items:flex-start;border-radius:22px;padding:30px 24px}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text strong{font-size:14px}
  .brand-text small{display:none}
  .top-actions .btn{min-height:38px;padding:0 14px;font-size:13px}
  .card-grid{grid-template-columns:1fr}
  .article-meta{font-size:12.5px;gap:8px 12px}
  .share-btn{width:38px;height:38px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --brand:#E1523B;
  --brand-deep:#C33F2B;
  --teal:#0E7A6B;
  --gold:#F3AE1B;
  --bg:#F7F3EE;
  --surface:#FFFFFF;
  --surface-2:#FBF7F2;
  --line:#E9E0D6;
  --ink:#171310;
  --ink-2:#5B544E;
  --ink-3:#8E867F;
  --dark:#1A1218;
  --dark-2:#2E1A1A;
  --grad:linear-gradient(120deg,#E1523B,#F0763A 55%,#F3AE1B);
  --grad-dark:linear-gradient(140deg,#1A1218,#2E1A1A);
  --r-sm:10px;
  --r-md:12px;
  --r-lg:20px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(70,35,18,.05);
  --sh-2:0 10px 28px rgba(70,35,18,.10);
  --sh-3:0 18px 48px rgba(70,35,18,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:80px 0}}
.section-head{margin-bottom:26px}
.section-title{display:flex;align-items:center;gap:12px;font-size:clamp(1.5rem,2.6vw,2rem);line-height:1.3}
.section-title::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--grad);flex:0 0 auto}
.section-desc{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:720px}

/* ---------- header ---------- */
.site-header{position:relative;z-index:60}
.topbar{background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;gap:18px;min-height:68px}
.brand{display:flex;align-items:center;gap:12px;min-height:44px}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:18px;letter-spacing:-.02em;
  box-shadow:0 6px 16px rgba(225,82,59,.25);flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:15.5px;font-weight:700;letter-spacing:-.01em}
.brand-text small{font-size:11.5px;color:var(--ink-3);letter-spacing:.02em}
.top-nav{margin-left:auto;display:flex;gap:26px}
.top-nav a{font-size:14.5px;color:var(--ink-2);transition:color .18s var(--ease);display:inline-block}
.top-nav a:hover{color:var(--brand)}
.top-actions{display:flex;align-items:center;gap:12px}
@media (max-width:767px){
  .top-nav{display:none}
  .top-actions{margin-left:auto}
  .brand-text strong{font-size:14px}
  .brand-text small{display:none}
}
.channel-bar{position:sticky;top:0;z-index:50;background:rgba(247,243,238,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;gap:10px;height:48px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:14px;font-weight:500;
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease),transform .22s var(--ease);
}
.channel:hover{color:var(--brand);border-color:#e6cfc3;transform:translateY(-1px)}
.channel.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(225,82,59,.22)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-md);
  font-size:14.5px;font-weight:600;border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(225,82,59,.22)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(225,82,59,.3);color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(225,82,59,.24)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--sh-1)}
.btn-ghost:hover{background:var(--surface-2);border-color:#dccfc1;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-pill{border-radius:var(--r-pill)}
.btn-sm{min-height:40px;padding:0 18px;font-size:13.5px}

/* ---------- hero ---------- */
.cat-hero{position:relative;overflow:hidden;padding:30px 0 44px;background:var(--bg)}
.cat-hero::after{
  content:"";position:absolute;top:-140px;right:-90px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(225,82,59,.18),rgba(225,82,59,0) 68%);pointer-events:none;
}
.cat-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:14px}
.crumb a{transition:color .18s var(--ease)}
.crumb a:hover{color:var(--brand)}
.crumb-current{color:var(--brand);font-weight:600}
.hero-title{font-size:clamp(1.85rem,4vw,2.75rem);line-height:1.18;letter-spacing:-.015em}
.hero-lead{margin-top:14px;font-size:17px;color:var(--ink-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.stat{
  display:inline-flex;align-items:center;gap:9px;padding:9px 16px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-pill);box-shadow:var(--sh-1);
}
.stat b{font-size:19px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:var(--ink)}
.stat span{font-size:12.5px;color:var(--ink-3)}
.hero-figure{margin:0;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:16/11;background:var(--grad)}
.hero-figure img{width:100%;height:100%;object-fit:cover}
@media (max-width:899px){
  .cat-hero-grid{grid-template-columns:1fr;gap:26px}
  .hero-figure{aspect-ratio:16/9;order:2}
}

/* ---------- toc + steps ---------- */
.toc-layout{display:grid;grid-template-columns:260px 1fr;gap:32px;align-items:start}
.toc-card{
  position:sticky;top:76px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px;box-shadow:var(--sh-1);
}
.toc-card h3{font-size:12.5px;font-weight:700;color:var(--ink-3);letter-spacing:.1em;margin:0 0 10px;padding:0 6px}
.toc-link{
  display:block;padding:9px 12px;border-radius:var(--r-sm);font-size:14px;color:var(--ink-2);
  border-left:3px solid transparent;transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.toc-link:hover{background:var(--surface-2);color:var(--brand);border-left-color:var(--brand)}
.step-list{display:flex;flex-direction:column;gap:16px}
.step-item{
  display:grid;grid-template-columns:auto 1fr;gap:18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px 26px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.step-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#e4d5c6}
.step-num{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
  border:1.5px solid rgba(14,122,107,.35);background:rgba(14,122,107,.06);
  color:var(--teal);font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:19px;line-height:1.4;margin-bottom:6px}
.step-item p{font-size:15px;line-height:1.8;color:var(--ink-2);margin-bottom:10px}
.step-item p:last-child{margin-bottom:0}
.step-link{
  display:inline-block;color:var(--teal);font-size:14px;font-weight:600;
  border-bottom:2px solid rgba(14,122,107,.25);padding-bottom:1px;transition:color .18s var(--ease),border-color .18s var(--ease);
}
.step-link:hover{color:var(--brand);border-color:rgba(225,82,59,.4)}
@media (max-width:1023px){
  .toc-layout{grid-template-columns:1fr;gap:20px}
  .toc-card{
    position:static;display:flex;gap:8px;overflow-x:auto;padding:10px;border-radius:16px;
    scrollbar-width:none;
  }
  .toc-card::-webkit-scrollbar{display:none}
  .toc-card h3{display:none}
  .toc-link{flex:0 0 auto;white-space:nowrap;border-left:none;background:var(--surface-2);border-radius:var(--r-pill);padding:8px 14px;font-size:13.5px}
}
@media (max-width:520px){
  .step-item{padding:20px;gap:14px;grid-template-columns:1fr}
  .step-num{width:38px;height:38px;font-size:13px}
  .step-item h3{font-size:17.5px}
}

/* ---------- scenes ---------- */
.scene-list{display:flex;flex-direction:column;gap:14px}
.scene-row{
  display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 22px;
  transition:transform .22s var(--ease),box-shadow .18s var(--ease);
}
.scene-row:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.scene-icon{
  width:44px;height:44px;border-radius:var(--r-md);display:grid;place-items:center;
  background:rgba(14,122,107,.08);color:var(--teal);font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
}
.scene-row h3{font-size:17px;margin-bottom:4px}
.scene-row p{font-size:14.5px;line-height:1.7;color:var(--ink-2)}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;background:rgba(14,122,107,.08);color:var(--teal);white-space:nowrap;
}
.tag-warm{background:rgba(243,174,27,.14);color:#9a6a06}
@media (max-width:640px){
  .scene-row{grid-template-columns:auto 1fr;gap:14px;padding:16px 18px}
  .scene-row .tag{grid-column:2;justify-self:start}
}

/* ---------- data band ---------- */
.data-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:30px;
  background:var(--grad-dark);color:#fff;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  box-shadow:var(--sh-2);
}
.data-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:24px 24px;
}
.data-item{position:relative;z-index:1}
.data-item b{display:block;font-size:30px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.2}
.data-item span{display:block;margin-top:6px;font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.72)}
@media (max-width:768px){
  .data-band{grid-template-columns:1fr;gap:18px;padding:24px;border-radius:var(--r-lg)}
}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:860px}
.faq-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:box-shadow .18s var(--ease)}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-item[open]{box-shadow:var(--sh-2)}
.faq-item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:16px 22px;font-size:16px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:var(--surface-2);color:var(--teal);font-size:16px;font-weight:700;transition:transform .22s var(--ease),background-color .18s var(--ease);
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);background:rgba(14,122,107,.1)}
.faq-body{padding:0 22px 20px;font-size:15.5px;line-height:1.8;color:var(--ink-2)}
.faq-body p+p{margin-top:8px}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:36px;
  background:var(--grad-dark);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--sh-2);
}
.cta-band .cta-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.16;z-index:0}
.cta-inner{position:relative;z-index:1;max-width:620px}
.cta-inner h2{font-size:clamp(1.35rem,2.4vw,1.75rem);line-height:1.35;color:#fff}
.cta-inner p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.74);line-height:1.8}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}
.cta-band .btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.28);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.45)}
@media (max-width:768px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:26px;border-radius:var(--r-lg)}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.74);margin-top:64px;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff}
.footer-brand strong{display:block;font-size:15.5px;line-height:1.3}
.footer-brand small{display:block;font-size:11.5px;color:rgba(255,255,255,.5);margin-top:2px}
.footer-about{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:360px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--gold);margin:0 0 14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{display:inline-block;font-size:14px;color:rgba(255,255,255,.7);transition:color .18s var(--ease),transform .22s var(--ease)}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a{transition:color .18s var(--ease)}
.footer-bottom a:hover{color:#fff}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-about{max-width:none}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:44px 0 22px;margin-top:48px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
    --brand:#E1523B;
    --brand-dark:#C33F2B;
    --accent:#0E7A6B;
    --gold:#F3AE1B;
    --bg:#F7F3EE;
    --surface:#FFFFFF;
    --surface-2:#FBF7F2;
    --ink:#171310;
    --ink-2:#5B544E;
    --ink-3:#8E867F;
    --line:#E9E0D6;
    --deep:#1A1218;
    --deep-2:#2E1A1A;
    --brand-grad:linear-gradient(120deg,#E1523B,#F0763A 55%,#F3AE1B);
    --r-sm:10px;
    --r-md:12px;
    --r-card:20px;
    --r-lg:24px;
    --r-pill:999px;
    --sh-1:0 2px 6px rgba(70,35,18,.05);
    --sh-2:0 10px 28px rgba(70,35,18,.10);
    --sh-3:0 18px 48px rgba(70,35,18,.14);
    --ease:cubic-bezier(.2,.7,.3,1);
    --container:1200px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
    font-size:16.5px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit}
  h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700;line-height:1.3}
  p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
  @media(min-width:768px){.container{padding:0 32px}}

  /* ---------- 顶部品牌行 ---------- */
  .site-header{position:relative;z-index:50}
  .topbar{background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
  .brand{display:flex;align-items:center;gap:12px;min-width:0}
  .brand-mark{
    width:40px;height:40px;flex:0 0 40px;border-radius:12px;
    background:var(--brand-grad);color:#fff;font-weight:800;font-size:20px;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 4px 12px rgba(225,82,59,.28);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
  .brand-text strong{font-size:16.5px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .brand-text small{font-size:11.5px;color:var(--ink-3);letter-spacing:.04em;margin-top:3px}
  .top-nav{display:none;align-items:center;gap:26px}
  .top-nav a{font-size:14.5px;color:var(--ink-2);transition:color 180ms var(--ease)}
  .top-nav a:hover{color:var(--brand)}
  .top-actions{display:flex;align-items:center;gap:12px}
  @media(min-width:900px){.top-nav{display:flex}}

  /* ---------- 频道行 ---------- */
  .channel-bar{
    position:sticky;top:0;z-index:40;
    background:rgba(247,243,238,.94);backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .channel-inner{display:flex;align-items:center;gap:10px;height:56px;overflow-x:auto;scrollbar-width:none}
  .channel-inner::-webkit-scrollbar{display:none}
  .channel{
    flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 18px;
    border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);
    font-size:14px;color:var(--ink-2);white-space:nowrap;
    transition:background 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease),transform 180ms var(--ease);
  }
  .channel:hover{background:var(--surface-2);color:var(--brand);border-color:#F0CFC3;transform:translateY(-1px)}
  .channel.active{background:var(--brand-grad);border-color:transparent;color:#fff;font-weight:600;box-shadow:0 4px 14px rgba(225,82,59,.25)}
  .channel:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:48px;padding:0 26px;border-radius:var(--r-md);border:1px solid transparent;
    font-size:15px;font-weight:600;cursor:pointer;
    transition:background 180ms var(--ease),color 180ms var(--ease),box-shadow 180ms var(--ease),transform 180ms var(--ease),border-color 180ms var(--ease);
  }
  .btn:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
  .btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 6px 18px rgba(225,82,59,.24)}
  .btn-primary:hover{box-shadow:0 10px 26px rgba(225,82,59,.32);transform:translateY(-1px)}
  .btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(225,82,59,.28)}
  .btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line);box-shadow:var(--sh-1)}
  .btn-ghost:hover{background:var(--surface-2);border-color:#F0CFC3;color:var(--brand-dark);transform:translateY(-1px)}
  .btn-pill{border-radius:var(--r-pill)}
  .btn-sm{min-height:40px;padding:0 20px;font-size:14px}
  .btn-block{width:100%}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-size:14px;font-weight:600;border-bottom:2px solid rgba(14,122,107,.25);padding-bottom:2px;transition:color 180ms var(--ease),gap 220ms var(--ease),border-color 180ms var(--ease)}
  .link-arrow:hover{color:var(--brand);gap:10px;border-color:rgba(225,82,59,.3)}

  /* ---------- 通用 ---------- */
  .section{padding:56px 0}
  @media(min-width:768px){.section{padding:80px 0}}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--accent);letter-spacing:.06em}
  .eyebrow::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--brand-grad)}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
  .section-head h2{font-size:28px;line-height:1.3}
  @media(min-width:768px){.section-head h2{font-size:31px}}
  .section-head p{color:var(--ink-2);font-size:15px;max-width:620px;margin-top:8px}

  .badge{
    display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);
    font-size:12.5px;font-weight:600;white-space:nowrap;
  }
  .badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
  .badge-teal{background:rgba(14,122,107,.08);color:var(--accent)}
  .badge-warm{background:rgba(225,82,59,.10);color:var(--brand-dark)}
  .badge-gold{background:rgba(243,174,27,.16);color:#97700C}
  .badge-plain{background:var(--surface-2);color:var(--ink-3);border:1px solid var(--line)}

  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding-top:22px}
  .crumb a{color:var(--ink-2)}
  .crumb a:hover{color:var(--brand)}
  .crumb span.sep{color:#CFC4B7}
  .crumb .current{color:var(--brand);font-weight:600}

  /* ---------- Hero ---------- */
  .hero{padding:26px 0 8px}
  .hero-grid{display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
  .hero-copy h1{font-size:31px;line-height:1.25;letter-spacing:-.015em}
  @media(min-width:768px){.hero-copy h1{font-size:40px;line-height:1.18}}
  .hero-copy h1 em{font-style:normal;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
  .hero-copy .lead{margin-top:14px;color:var(--ink-2);font-size:16px;max-width:520px}
  .hero-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
  .stat-chip{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 16px 8px 12px;box-shadow:var(--sh-1)}
  .stat-chip b{font-size:20px;line-height:1;color:var(--brand-dark);font-variant-numeric:tabular-nums}
  .stat-chip span{font-size:12.5px;color:var(--ink-3)}
  .hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:16/9;background:var(--brand-grad)}
  .hero-media img{width:100%;height:100%;object-fit:cover}
  .hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,18,24,0) 45%,rgba(26,18,24,.62) 100%)}
  .hero-media .media-tag{position:absolute;left:16px;bottom:16px;z-index:2;display:flex;flex-wrap:wrap;gap:8px}
  .hero-media .media-tag .badge{background:rgba(255,255,255,.92);color:var(--brand-dark)}
  @media(min-width:900px){
    .hero-grid{grid-template-columns:1.05fr .95fr;gap:36px}
  }

  /* ---------- 双列主体 ---------- */
  .layout{display:grid;grid-template-columns:1fr;gap:28px;align-items:start}
  @media(min-width:1024px){.layout{grid-template-columns:minmax(0,1fr) 320px;gap:32px}}
  .card-grid{display:grid;grid-template-columns:1fr;gap:20px}
  @media(min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  .show-card{
    display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
    border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
    transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
  }
  .show-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#EFD9CE}
  .show-card .thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--surface-2)}
  .show-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 220ms var(--ease)}
  .show-card:hover .thumb img{transform:scale(1.03)}
  .show-card .thumb .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--brand-dark);z-index:2}
  .show-card .body{display:flex;flex-direction:column;flex:1;padding:18px 18px 16px;gap:8px}
  .show-card h3{font-size:18px;font-weight:600;line-height:1.45}
  .show-card .desc{font-size:14.5px;line-height:1.7;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
  .show-card .meta{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--ink-3)}
  .show-card .meta .num{color:var(--ink-2);font-weight:600}
  .show-card .arrow{width:28px;height:28px;flex:0 0 28px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--accent);transition:transform 220ms var(--ease),background 180ms var(--ease),color 180ms var(--ease)}
  .show-card:hover .arrow{transform:translateX(4px);background:var(--surface-2);color:var(--brand)}

  /* ---------- 侧栏 ---------- */
  .side{display:flex;flex-direction:column;gap:20px;position:static}
  @media(min-width:1024px){.side{position:sticky;top:76px}}
  .side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
  .side-card h3{font-size:17px;margin-bottom:4px}
  .side-card .sub{font-size:13px;color:var(--ink-3);margin-bottom:16px}
  .check-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink-2);line-height:1.65}
  .check-list li:last-child{border-bottom:0;padding-bottom:0}
  .check-list .dot{flex:0 0 20px;width:20px;height:20px;margin-top:3px;border-radius:50%;border:1.5px solid var(--accent);color:var(--accent);font-size:11.5px;font-weight:700;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
  .side-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
  .side-stats .cell{background:var(--surface-2);border-radius:var(--r-md);padding:12px 8px;text-align:center}
  .side-stats b{display:block;font-size:22px;line-height:1.1;color:var(--brand-dark);font-variant-numeric:tabular-nums}
  .side-stats span{display:block;font-size:11.5px;color:var(--ink-3);margin-top:6px}
  .sub-form{display:flex;flex-direction:column;gap:10px}
  @media(min-width:1024px){.sub-form{flex-direction:row;align-items:center}}
  .sub-form input{
    flex:1;min-width:0;height:48px;padding:0 14px;border-radius:var(--r-md);
    border:1px solid var(--line);background:var(--surface-2);color:var(--ink);font-size:14.5px;
    transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease),background 180ms var(--ease);
  }
  .sub-form input::placeholder{color:#A79E96}
  .sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(14,122,107,.14);background:#fff}
  .form-note{font-size:12px;color:var(--ink-3);margin-top:10px;line-height:1.6}

  /* ---------- 深色信息带 ---------- */
  .band{
    margin:8px 0;background:linear-gradient(140deg,#1A1218,#2E1A1A);
    border-radius:var(--r-card);padding:26px 22px;color:#F4EDE6;
    display:grid;grid-template-columns:1fr;gap:20px;
    background-image:linear-gradient(140deg,#1A1218,#2E1A1A),repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 1px,transparent 1px 8px);
  }
  @media(min-width:768px){.band{grid-template-columns:repeat(3,1fr);padding:30px 32px;gap:24px}}
  .band .cell{border-left:3px solid transparent;border-image:var(--brand-grad) 1;padding-left:16px}
  .band .cell b{display:block;font-size:26px;line-height:1.2;color:#fff;font-variant-numeric:tabular-nums}
  .band .cell b i{font-style:normal;font-size:14px;color:var(--gold);margin-left:4px;font-weight:600}
  .band .cell p{font-size:13.5px;color:#C9BDB5;margin-top:6px;line-height:1.65}

  /* ---------- 三步流程 ---------- */
  .steps{display:grid;grid-template-columns:1fr;gap:18px;position:relative}
  @media(min-width:768px){.steps{grid-template-columns:repeat(3,1fr);gap:24px}}
  .step{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);transition:box-shadow 220ms var(--ease),transform 220ms var(--ease)}
  .step:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
  .step .no{width:32px;height:32px;border-radius:50%;background:var(--brand-grad);color:#fff;font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;margin-bottom:14px}
  .step h3{font-size:17px;margin-bottom:6px}
  .step p{font-size:14.5px;color:var(--ink-2);line-height:1.7}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
  .faq-item{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-1);overflow:hidden;transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease)}
  .faq-item:hover{border-color:#EFD9CE}
  .faq-item[open]{box-shadow:var(--sh-2)}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:60px;padding:14px 20px;font-size:16px;font-weight:600;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:focus-visible{outline:2px solid var(--gold);outline-offset:-2px}
  .faq-item summary .ico{
    flex:0 0 24px;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:15px;line-height:1;
    transition:transform 220ms var(--ease),background 180ms var(--ease);
  }
  .faq-item[open] summary .ico{transform:rotate(180deg);background:var(--surface-2)}
  .faq-item .answer{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--ink-2);border-left:3px solid transparent}
  .faq-item[open] .answer{border-image:var(--brand-grad) 1;margin-left:20px;padding-left:16px}

  /* ---------- 结尾双按钮 ---------- */
  .dual{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
  @media(max-width:520px){.dual .btn{width:100%}}

  /* ---------- CTA 横幅 ---------- */
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--r-lg);
    background:linear-gradient(140deg,#1A1218,#2E1A1A);
    padding:34px 24px;color:#F6EFE8;
  }
  .cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.18}
  .cta-inner{position:relative;z-index:2;display:flex;flex-direction:column;gap:20px;align-items:flex-start}
  @media(min-width:900px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:6px 10px}}
  .cta-inner h2{font-size:24px;line-height:1.35;color:#fff}
  .cta-inner p{font-size:14.5px;color:#CBBFB7;margin-top:8px;max-width:520px}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--deep);color:#CFC4BC;margin-top:64px;padding:52px 0 26px}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
  @media(min-width:768px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}}
  .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
  .footer-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px;font-size:17px}
  .footer-brand strong{display:block;font-size:15.5px;color:#fff}
  .footer-brand small{display:block;font-size:11.5px;color:#948A83;margin-top:3px;letter-spacing:.04em}
  .footer-about{font-size:13.5px;line-height:1.85;color:#A79D96;max-width:360px}
  .footer-col h4{font-size:14px;font-weight:600;color:var(--gold);margin-bottom:14px}
  .footer-col ul{display:flex;flex-direction:column;gap:10px}
  .footer-col a{font-size:14px;color:#B6ACA5;transition:color 180ms var(--ease),transform 180ms var(--ease);display:inline-block}
  .footer-col a:hover{color:#fff;transform:translateX(2px)}
  .footer-col a:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
  .footer-bottom{
    margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
    display:flex;flex-direction:column;gap:12px;font-size:12.5px;color:#8C827B;
  }
  .footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
  .footer-bottom nav a{color:#A79D96}
  .footer-bottom nav a:hover{color:#fff}
  @media(min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}}

  @media(prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  }