/* roulang page: index */
:root{
  --ink:#14302B;
  --ink-deep:#0E221F;
  --bg:#F7F5F1;
  --surface:#EFEAE2;
  --card:#FFFFFF;
  --accent:#E8622C;
  --moss:#5C7A6B;
  --line:#DDD6C9;
  --line-soft:#E7E1D6;
  --text:#2B2A27;
  --muted:#6E6A63;
  --white:#F7F5F1;
  --success:#2F7D5E;
  --warn:#B8791F;
  --error:#A33A2B;
  --disabled:#B9B3A8;
  --r-card:16px;
  --r-hero:24px;
  --r-btn:999px;
  --r-input:12px;
  --shadow-1:0 1px 2px rgba(20,48,43,.06),0 8px 24px -12px rgba(20,48,43,.16);
  --shadow-2:0 24px 60px -24px rgba(20,48,43,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t-fast:160ms;
  --t-mid:240ms;
  --t-slow:420ms;
  --font-head:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,textarea{font-family:inherit;font-size:16px;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
/* ============ HEADER ============ */
.site-header{position:sticky;top:0;z-index:80;background:var(--bg);border-bottom:1px solid var(--line-soft);}
.brand-bar{border-bottom:1px solid var(--line-soft);background:var(--bg);}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:64px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-head);font-weight:700;color:var(--ink);letter-spacing:-.01em;font-size:19px;}
.logo svg{width:30px;height:30px;flex:none;}
.logo-text{white-space:nowrap;}
.logo-mini{font-size:11px;letter-spacing:.14em;color:var(--muted);font-family:var(--font-body);font-weight:500;text-transform:uppercase;margin-left:4px;}
.brand-actions{display:flex;align-items:center;gap:18px;}
.link-plain{font-size:14px;color:var(--ink);position:relative;padding-bottom:2px;}
.link-plain::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);transition:width var(--t-mid) var(--ease);}
.link-plain:hover::after{width:100%;}
.channel-bar{background:var(--bg);}
.channel-nav{display:flex;align-items:center;gap:28px;min-height:48px;overflow-x:auto;scrollbar-width:none;}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;
  flex:none;
  font-size:15px;
  color:var(--ink);
  padding:6px 0 8px;
  white-space:nowrap;
  transition:color var(--t-fast) var(--ease);
}
.channel-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);
  transition:width var(--t-mid) var(--ease);
}
.channel-link:hover::after{width:100%;}
.channel-link.is-active{font-weight:700;}
.channel-link.is-active::after{width:100%;}
/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform var(--t-fast) var(--ease),background var(--t-fast) var(--ease),color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--ink);color:var(--white);}
.btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-secondary{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink);}
.btn-secondary:hover{background:var(--ink);color:var(--white);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--accent);
  border-bottom:2px solid var(--accent);padding-bottom:2px;
  transition:color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
}
.text-link:hover{color:var(--ink);border-color:var(--ink);}
.text-link svg{width:14px;height:14px;}
/* ============ HERO ============ */
.hero{padding:64px 0 88px;position:relative;}
.hero-grid{display:grid;grid-template-columns:55fr 45fr;gap:56px;align-items:center;}
.hero-copy{max-width:620px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--moss);font-weight:600;margin-bottom:20px;
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--moss);}
.hero h1{
  font-family:var(--font-head);
  font-size:clamp(34px,5.2vw,68px);
  line-height:1.05;
  letter-spacing:-.02em;
  color:var(--ink);
  margin-bottom:22px;
}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero-sub{font-size:17px;line-height:1.8;color:var(--muted);max-width:520px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;}
.stat-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-btn);
  background:var(--surface);border:1px solid var(--line);
  font-size:13px;color:var(--ink);font-weight:500;
}
.stat-chip strong{font-family:var(--font-head);font-size:14px;color:var(--accent);}
.hero-visual{position:relative;}
.hero-frame{
  position:relative;width:100%;aspect-ratio:9/16;max-height:600px;
  border-radius:var(--r-hero);overflow:hidden;
  background:var(--surface) center/cover no-repeat;
  background-image:url('/assets/images/backpic/back-1.png');
  box-shadow:var(--shadow-2);
  animation:riseIn var(--t-slow) var(--ease) both;
}
.hero-frame::after{content:"";position:absolute;inset:0;background:rgba(20,48,43,.30);}
.frame-caption{
  position:absolute;left:20px;top:20px;z-index:2;
  padding:6px 14px;border-radius:var(--r-btn);
  background:rgba(20,48,43,.55);color:var(--white);
  font-size:12px;letter-spacing:.06em;
}
.hero-mini{
  position:absolute;right:-24px;bottom:-24px;
  width:56%;aspect-ratio:3/4;border-radius:var(--r-card);overflow:hidden;
  background:var(--surface) center/cover no-repeat;
  background-image:url('/assets/images/coverpic/cover-1.webp');
  border:4px solid var(--bg);
  box-shadow:var(--shadow-2);
  animation:riseIn var(--t-slow) var(--ease) .12s both;
}
.mini-pill{
  position:absolute;left:12px;bottom:12px;
  padding:5px 12px;border-radius:var(--r-btn);
  background:rgba(20,48,43,.62);color:var(--white);
  font-size:12px;letter-spacing:.04em;
}
@keyframes riseIn{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:translateY(0);}}
/* ============ SECTION ============ */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-title{font-family:var(--font-head);font-size:clamp(24px,2.6vw,36px);line-height:1.2;color:var(--ink);letter-spacing:-.01em;}
.section-desc{font-size:15px;color:var(--muted);margin-top:10px;max-width:600px;}
/* ============ CLIPS ============ */
.clips-wrap{position:relative;}
.clips-track{
  display:flex;gap:20px;overflow-x:auto;padding:4px 4px 24px;
  scroll-snap-type:x mandatory;scrollbar-width:none;
}
.clips-track::-webkit-scrollbar{display:none;}
.clip-card{
  flex:0 0 240px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease);
}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-1);}
.clip-media{position:relative;aspect-ratio:3/4;background:var(--surface) center/cover no-repeat;overflow:hidden;}
.clip-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow) var(--ease);}
.clip-card:hover .clip-media img{transform:scale(1.04);}
.clip-index{
  position:absolute;left:12px;top:12px;
  padding:3px 10px;border-radius:6px;background:var(--accent);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.clip-body{padding:16px 18px 18px;}
.clip-title{
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:12px;
}
.clip-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:6px;
  background:var(--surface);color:var(--moss);
  font-size:12px;font-weight:500;letter-spacing:.02em;
}
.badge-accent{background:var(--accent);color:#fff;}
.play-dot{color:var(--moss);width:16px;height:16px;flex:none;}
/* ============ LIST ============ */
.pick-list{border-top:1px solid var(--line);}
.pick-item{
  display:grid;grid-template-columns:88px 1fr auto;gap:24px;align-items:center;
  padding:26px 20px;border-bottom:1px solid var(--line);
  transition:background var(--t-mid) var(--ease);
}
.pick-item:hover{background:var(--surface);}
.pick-num{font-family:var(--font-head);font-size:40px;line-height:1;color:rgba(20,48,43,.22);font-weight:700;}
.pick-item:hover .pick-num{color:var(--accent);}
.pick-title{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.pick-desc{font-size:14px;color:var(--muted);line-height:1.7;}
.pick-tag{font-size:12px;padding:4px 10px;border-radius:6px;background:var(--surface);color:var(--moss);white-space:nowrap;}
/* ============ CMS ============ */
.cms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cms-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease);
}
.cms-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-1);}
.cms-card-link{display:block;height:100%;padding:24px;}
.cms-card-body{display:flex;flex-direction:column;height:100%;gap:12px;}
.cms-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.cms-meta time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}
.cms-title{
  font-family:var(--font-head);font-size:19px;line-height:1.4;color:var(--ink);font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-summary{
  font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-more{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--accent);padding-top:6px;
}
.cms-more svg{width:14px;height:14px;}
.empty-state{
  grid-column:1/-1;padding:40px 24px;border:1px dashed var(--line);
  border-radius:var(--r-card);text-align:center;background:var(--card);
}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:18px;}
/* ============ TICKER ============ */
.ticker-section{background:var(--ink);color:var(--white);padding:44px 0;overflow:hidden;}
.ticker-label{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:rgba(247,245,241,.6);margin-bottom:22px;}
.ticker-mask{position:relative;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);}
.ticker-track{display:flex;gap:24px;width:max-content;animation:ticker 42s linear infinite;}
.ticker-mask:hover .ticker-track{animation-play-state:paused;}
@keyframes ticker{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.voice{
  flex:0 0 auto;display:flex;align-items:center;gap:14px;
  padding:14px 22px;border-radius:var(--r-card);
  background:rgba(247,245,241,.06);border:1px solid rgba(247,245,241,.12);
}
.voice-avatar{
  width:32px;height:32px;border-radius:50%;background:var(--moss);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:var(--white);flex:none;
}
.voice-text{font-size:14px;color:rgba(247,245,241,.9);white-space:nowrap;}
.voice-stars{display:flex;gap:2px;flex:none;}
.voice-stars svg{width:12px;height:12px;fill:var(--accent);}
/* ============ CTA ============ */
.cta-band{background:var(--ink);color:var(--white);padding:80px 0;}
.cta-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center;}
.cta-grid h2{font-family:var(--font-head);font-size:clamp(26px,3vw,40px);line-height:1.2;margin-bottom:16px;letter-spacing:-.01em;}
.cta-grid p{font-size:16px;color:rgba(247,245,241,.75);max-width:520px;}
.cta-info{display:flex;flex-direction:column;gap:14px;}
.cta-info li{display:flex;align-items:center;gap:12px;font-size:14px;color:rgba(247,245,241,.85);}
.cta-info li span:first-child{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);flex:none;width:66px;}
.cta-band .btn-primary{background:var(--accent);color:#fff;}
.cta-band .btn-primary:hover{background:#cf551f;}
/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
  transition:color var(--t-fast) var(--ease);
}
.faq-q:hover{color:var(--accent);}
.faq-icon{position:relative;width:18px;height:18px;flex:none;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--accent);border-radius:1px;transition:transform var(--t-mid) var(--ease);}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.open .faq-icon::after{transform:rotate(90deg);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows var(--t-mid) var(--ease);}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a-inner p{font-size:15px;line-height:1.75;color:var(--muted);padding:0 4px 24px;}
/* ============ FOOTER ============ */
.site-footer{background:var(--ink);color:rgba(247,245,241,.8);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:48px;padding-bottom:48px;}
.footer-brand .logo{color:var(--white);font-size:18px;margin-bottom:16px;}
.footer-brand .logo svg{filter:brightness(1.6);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(247,245,241,.62);max-width:420px;}
.footer-col h4{font-family:var(--font-head);font-size:15px;color:var(--white);margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col li{font-size:14px;color:rgba(247,245,241,.7);transition:color var(--t-fast) var(--ease);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(247,245,241,.14);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,245,241,.5);
}
.footer-bottom .dot{color:rgba(247,245,241,.28);margin:0 8px;}
/* ============ RESPONSIVE ============ */
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-visual{max-width:420px;margin:0 auto;}
  .hero-mini{right:0;bottom:-16px;}
  .cms-grid{grid-template-columns:repeat(2,1fr);}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .footer-brand{grid-column:1/-1;}
  .pick-item{grid-template-columns:64px 1fr;gap:18px;}
  .pick-tag{grid-column:2;justify-self:start;margin-top:8px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .hero{padding:44px 0 64px;}
  .hero-frame{aspect-ratio:4/5;max-height:none;}
  .hero-mini{width:52%;right:0;bottom:-12px;}
  .brand-inner{min-height:58px;}
  .logo{font-size:17px;}
  .logo svg{width:26px;height:26px;}
  .brand-actions .link-plain{display:none;}
  .channel-nav{gap:22px;min-height:44px;}
  .channel-link{font-size:14px;}
  .cms-grid{grid-template-columns:1fr;}
  .clip-card{flex:0 0 78%;}
  .cta-band{padding:56px 0;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .faq-q{font-size:16px;padding:20px 2px;}
  .pick-num{font-size:32px;}
}
@media (max-width:390px){
  .hero h1{font-size:30px;}
  .logo-text{font-size:15px;}
  .btn{padding:0 20px;font-size:14px;}
  .hero-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:0s !important;animation-iteration-count:1 !important;transition-duration:0s !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --ink:#14302B;
  --ink-soft:#1E3F38;
  --paper:#F7F5F1;
  --paper-2:#EFEAE2;
  --card:#FFFFFF;
  --accent:#E8622C;
  --accent-deep:#CE5322;
  --moss:#5C7A6B;
  --line:#DDD6C9;
  --divider:#E7E1D6;
  --text:#2B2A27;
  --muted:#6E6A63;
  --success:#2F7D5E;
  --warning:#B8791F;
  --error:#A33A2B;
  --disabled:#B9B3A8;
  --radius-card:16px;
  --radius-hero:24px;
  --radius-sm:12px;
  --shadow-card:0 1px 2px rgba(20,48,43,.06), 0 8px 24px -12px rgba(20,48,43,.16);
  --shadow-float:0 24px 60px -24px rgba(20,48,43,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t-fast:160ms;
  --t-mid:240ms;
  --t-slow:420ms;
  --font-title:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;font-family:var(--font-title);font-weight:600;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0}
li{list-style:none}
::selection{background:rgba(232,98,44,.18)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:0;border-radius:999px;
  font-family:var(--font-body);font-size:15px;font-weight:600;letter-spacing:.01em;
  background:var(--ink);color:var(--paper);
  transition:background var(--t-fast) var(--ease),transform var(--t-fast) var(--ease),box-shadow var(--t-mid) var(--ease);
}
.btn:hover{background:var(--ink-soft);transform:translateY(-1px);box-shadow:var(--shadow-card)}
.btn:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 18px;font-size:13.5px}
.btn-ghost{
  background:transparent;color:var(--ink);
  border:1.5px solid var(--ink);
}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-deep)}
.link-plain{
  position:relative;font-size:14px;color:var(--ink);font-weight:500;
  padding-bottom:2px;
}
.link-plain::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;background:var(--accent);
  transition:width var(--t-mid) var(--ease);
}
.link-plain:hover::after{width:100%}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:2px solid var(--accent);padding-bottom:2px;
  transition:color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
}
.text-link:hover{color:var(--accent)}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:6px;
  font-size:12px;line-height:1.5;letter-spacing:.04em;
  background:var(--paper-2);color:var(--moss);font-weight:600;
}
.badge-accent{background:var(--accent);color:#fff}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,245,241,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.brand-bar{border-bottom:1px solid var(--divider)}
.brand-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo svg{width:30px;height:30px;flex-shrink:0}
.logo-text{font-family:var(--font-title);font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.02em;white-space:nowrap}
.brand-actions{display:flex;align-items:center;gap:22px}
.channel-bar{background:var(--paper)}
.channel-nav{display:flex;align-items:center;gap:28px;height:48px;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;flex:0 0 auto;
  font-size:14.5px;color:var(--muted);font-weight:500;white-space:nowrap;
  padding:12px 0;transition:color var(--t-fast) var(--ease);
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t-mid) var(--ease);
}
.channel-link:hover{color:var(--ink)}
.channel-link:hover::after{transform:scaleX(1)}
.channel-link.is-active{color:var(--ink);font-weight:700}
.channel-link.is-active::after{transform:scaleX(1)}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:22px 0 0;font-size:13px;color:var(--muted);
}
.breadcrumb a{color:var(--muted);transition:color var(--t-fast) var(--ease)}
.breadcrumb a:hover{color:var(--accent)}
.crumb-sep{color:var(--disabled)}
.crumb-current{color:var(--muted);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.article-hero{padding:34px 0 8px}
.article-eyebrow{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:18px}
.article-title{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.22;
  letter-spacing:-.02em;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  margin-top:22px;padding-bottom:26px;
  border-bottom:1px solid var(--divider);
  font-size:13.5px;color:var(--muted);
}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-dot{width:5px;height:5px;border-radius:50%;background:var(--accent);display:inline-block}

/* ---------- 正文 ---------- */
.article-main{padding:0 0 88px}
.article-wrap{max-width:760px;margin:0 auto}
.prose{padding-top:34px;font-size:17px;line-height:1.85;color:var(--text);overflow-wrap:break-word;word-break:break-word}
.prose > * + *{margin-top:1.2em}
.prose h2{
  font-size:clamp(23px,2.4vw,27px);line-height:1.35;
  margin:40px 0 16px;padding-top:2px;
  letter-spacing:-.015em;
}
.prose h3{font-size:20px;line-height:1.45;margin:28px 0 12px;color:var(--ink)}
.prose h4{font-size:17px;margin:22px 0 10px;color:var(--ink)}
.prose p{margin:0}
.prose p + p{margin-top:1.2em}
.prose a{color:var(--ink);border-bottom:2px solid var(--accent);padding-bottom:1px;transition:color var(--t-fast) var(--ease)}
.prose a:hover{color:var(--accent)}
.prose strong{color:var(--ink);font-weight:700}
.prose blockquote{
  margin:28px 0;padding:18px 22px;
  border-left:3px solid var(--accent);
  background:var(--paper-2);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--ink-soft);
}
.prose blockquote p{margin:0}
.prose ul,.prose ol{margin:18px 0;padding-left:0}
.prose ul li{position:relative;padding-left:22px;margin:10px 0}
.prose ul li::before{
  content:"";position:absolute;left:2px;top:.78em;
  width:6px;height:6px;border-radius:50%;background:var(--moss);
}
.prose ol{counter-reset:prose-ol;list-style:none}
.prose ol li{position:relative;padding-left:30px;margin:10px 0;counter-increment:prose-ol}
.prose ol li::before{
  content:counter(prose-ol,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-family:var(--font-title);font-size:15px;font-weight:700;color:var(--accent);
}
.prose img{border-radius:var(--radius-sm);margin:26px 0;width:100%;object-fit:cover;background:var(--paper-2)}
.prose figure{margin:26px 0}
.prose figcaption{
  margin-top:10px;font-size:13px;color:var(--muted);text-align:center;
}
.prose table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;
  border:1px solid var(--line);display:block;overflow-x:auto;
}
.prose th,.prose td{
  border-bottom:1px solid var(--divider);
  padding:12px;text-align:left;vertical-align:top;
}
.prose th{background:var(--paper-2);color:var(--ink);font-weight:600;white-space:nowrap}
.prose hr{border:0;border-top:1px solid var(--divider);margin:34px 0}
.prose code{
  background:var(--paper-2);border-radius:6px;padding:2px 6px;
  font-size:.92em;color:var(--ink-soft);
}

/* ---------- 空态 ---------- */
.empty-state{
  margin:36px 0 8px;padding:34px 28px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  text-align:center;
}
.empty-state p{font-size:15px;color:var(--muted)}
.empty-state .btn{margin-top:18px}

/* ---------- 标签与分享 ---------- */
.article-foot{
  margin-top:44px;padding-top:26px;border-top:1px solid var(--divider);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.tag-row .tag-label{font-size:13px;color:var(--muted);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:6px;
  font-size:12px;font-weight:600;color:var(--moss);
  background:var(--paper-2);
  transition:background var(--t-fast) var(--ease),color var(--t-fast) var(--ease);
}
.tag:hover{background:var(--ink);color:var(--paper)}
.share-row{display:flex;align-items:center;gap:12px}
.share-row span{font-size:13px;color:var(--muted)}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px}
.section-title{font-size:clamp(24px,2.6vw,34px);line-height:1.24;letter-spacing:-.015em}
.section-sub{margin-top:10px;font-size:15px;color:var(--muted);max-width:620px}
.divider-line{height:1px;background:var(--divider);border:0;margin:0}

/* ---------- 核验提示卡 ---------- */
.notice-card{
  display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;
  padding:26px 28px;margin-top:48px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
}
.notice-card h3{font-size:18px;margin-bottom:8px}
.notice-card p{font-size:14.5px;color:var(--muted);max-width:620px}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-float);border-color:#CFC6B6}
.card-media{
  position:relative;aspect-ratio:16/10;background:var(--paper-2);overflow:hidden;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow) var(--ease)}
.post-card:hover .card-media img{transform:scale(1.04)}
.card-media .card-flag{
  position:absolute;left:12px;top:12px;
  padding:3px 9px;border-radius:6px;
  background:rgba(20,48,43,.72);color:var(--paper);
  font-size:11.5px;letter-spacing:.06em;
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17px;line-height:1.5;letter-spacing:-.01em}
.card-desc{
  font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;padding-top:12px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--muted);
  border-top:1px solid var(--divider);
}
.card-meta .arrow{color:var(--accent);font-weight:700;transition:transform var(--t-fast) var(--ease)}
.post-card:hover .card-meta .arrow{transform:translateX(3px)}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;border-top:1px solid var(--divider)}
.faq-item{border-bottom:1px solid var(--divider)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color var(--t-fast) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;
  font-family:var(--font-body);font-size:22px;font-weight:400;color:var(--moss);
  transition:color var(--t-fast) var(--ease),transform var(--t-mid) var(--ease);
}
.faq-item[open] summary::after{content:"−";color:var(--accent)}
.faq-item summary:hover{color:var(--accent)}
.faq-a{padding:0 0 24px;font-size:15px;line-height:1.78;color:var(--muted);max-width:760px}
.faq-a p + p{margin-top:.8em}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:var(--paper);position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(247,245,241,.05) 1px,transparent 1px);
  background-size:18px 18px;opacity:.6;
}
.cta-inner{position:relative;z-index:1;padding:76px 0;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.cta-inner h2{color:var(--paper);font-size:clamp(25px,2.8vw,36px);line-height:1.28;letter-spacing:-.015em}
.cta-inner p{margin-top:16px;font-size:15.5px;color:rgba(247,245,241,.76);max-width:540px}
.cta-side{display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.cta-info{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:6px;font-size:13.5px;color:rgba(247,245,241,.7)}
.cta-info span{display:inline-flex;align-items:center;gap:8px}
.cta-info i{width:5px;height:5px;border-radius:50%;background:var(--accent);display:inline-block}
.cta-band .btn{background:var(--accent);color:#fff}
.cta-band .btn:hover{background:var(--accent-deep)}

/* ---------- 返回 ---------- */
.back-row{padding:44px 0 0}
.back-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:2px solid var(--accent);padding-bottom:2px;
  transition:color var(--t-fast) var(--ease);
}
.back-link:hover{color:var(--accent)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(247,245,241,.78);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:48px;padding-bottom:52px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand .logo-text{color:var(--paper)}
.footer-brand p{font-size:14px;line-height:1.85;max-width:420px;color:rgba(247,245,241,.66)}
.footer-col h4{
  font-family:var(--font-body);font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--paper);text-transform:uppercase;margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col li{font-size:14px;color:rgba(247,245,241,.66)}
.footer-col a{font-size:14px;color:rgba(247,245,241,.78);transition:color var(--t-fast) var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:22px 0 28px;border-top:1px solid rgba(247,245,241,.14);
  font-size:13px;color:rgba(247,245,241,.55);
}
.footer-bottom .dot{margin:0 8px;color:rgba(247,245,241,.35)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 22px}
  .brand-actions .link-plain{display:none}
  .channel-nav{gap:22px}
  .section{padding:72px 0}
  .cta-inner{grid-template-columns:1fr;gap:32px;padding:64px 0}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:38px}
  .footer-brand{grid-column:1 / -1}
  .notice-card{grid-template-columns:1fr}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .brand-inner{height:58px}
  .logo-text{font-size:17px}
  .logo svg{width:26px;height:26px}
  .btn-sm{height:34px;padding:0 14px;font-size:12.5px}
  .channel-nav{height:44px;gap:18px}
  .channel-link{font-size:13.5px;padding:10px 0}
  .channel-link::after{bottom:4px}
  .breadcrumb{padding-top:18px;font-size:12.5px}
  .article-hero{padding:24px 0 4px}
  .article-title{font-size:clamp(25px,7vw,32px);line-height:1.28}
  .article-meta{gap:8px 14px;margin-top:18px;padding-bottom:20px;font-size:12.5px}
  .prose{padding-top:26px;font-size:16px;line-height:1.82}
  .prose h2{margin:34px 0 14px}
  .prose h3{margin:26px 0 10px}
  .prose blockquote{padding:16px 16px}
  .article-main{padding-bottom:64px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .section-head{margin-bottom:28px}
  .related-grid{grid-template-columns:1fr;gap:18px}
  .article-foot{flex-direction:column;align-items:flex-start;gap:16px}
  .faq-item summary{padding:18px 0;font-size:15.5px;gap:14px}
  .faq-a{padding-bottom:20px;font-size:14.5px}
  .cta-inner{padding:52px 0}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px}
  .site-footer{padding-top:52px}
  .notice-card{padding:22px 20px}
  .back-row{padding-top:34px}
}
@media (max-width:390px){
  .container{padding:0 14px}
  .logo-text{font-size:16px}
  .btn{padding:0 20px;font-size:14px}
  .card-body{padding:16px 16px 18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category1 */
:root{
  --ink:#14302B;
  --ink-deep:#0E2320;
  --paper:#F7F5F1;
  --surface:#EFEAE2;
  --card:#FFFFFF;
  --accent:#E8622C;
  --moss:#5C7A6B;
  --line:#DDD6C9;
  --divider:#E7E1D6;
  --text:#2B2A27;
  --muted:#6E6A63;
  --inverse:#F7F5F1;
  --success:#2F7D5E;
  --warning:#B8791F;
  --error:#A33A2B;
  --disabled:#B9B3A8;
  --r-card:16px;
  --r-hero:24px;
  --r-img:12px;
  --r-pill:999px;
  --r-badge:6px;
  --shadow-card:0 1px 2px rgba(20,48,43,.06),0 8px 24px -12px rgba(20,48,43,.16);
  --shadow-float:0 24px 60px -24px rgba(20,48,43,.28);
  --t-fast:160ms;
  --t-mid:240ms;
  --t-slow:420ms;
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --gap:24px;
  --section:96px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --num:"Inter","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);color:var(--ink);font-weight:600;letter-spacing:-0.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(120%) blur(6px);
}
.brand-bar{background:var(--paper);border-bottom:1px solid var(--divider);}
.brand-inner{
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo svg{width:30px;height:30px;flex-shrink:0;}
.logo-text{
  font-family:var(--serif);
  font-size:19px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--ink);
  white-space:nowrap;
}
.brand-actions{display:flex;align-items:center;gap:18px;}
.link-plain{
  font-size:14px;
  color:var(--muted);
  position:relative;
  padding-bottom:2px;
  transition:color var(--t-fast) var(--ease);
}
.link-plain::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:1px;
  background:var(--ink);
  transition:width var(--t-mid) var(--ease);
}
.link-plain:hover{color:var(--ink);}
.link-plain:hover::after{width:100%;}
.channel-bar{background:var(--paper);}
.channel-nav{
  height:48px;
  display:flex;
  align-items:center;
  gap:28px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;
  font-size:15px;
  color:var(--muted);
  white-space:nowrap;
  padding:12px 0;
  transition:color var(--t-fast) var(--ease);
}
.channel-link::after{
  content:"";
  position:absolute;
  left:0;bottom:6px;
  width:0;height:2px;
  background:var(--accent);
  transition:width var(--t-mid) var(--ease);
}
.channel-link:hover{color:var(--ink);}
.channel-link:hover::after{width:100%;}
.channel-link.is-active{color:var(--ink);font-weight:700;}
.channel-link.is-active::after{width:100%;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform var(--t-fast) var(--ease),background-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease),box-shadow var(--t-mid) var(--ease);
}
.btn-primary{background:var(--ink);color:var(--inverse);}
.btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px);box-shadow:var(--shadow-card);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--inverse);transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 20px;font-size:14px;}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--accent);
  padding-bottom:3px;
  border-bottom:2px solid rgba(232,98,44,.35);
  transition:border-color var(--t-mid) var(--ease),color var(--t-fast) var(--ease);
}
.btn-link:hover{border-color:var(--accent);}

/* ---------- Breadcrumb ---------- */
.crumbs{
  padding:20px 0 0;
  font-size:13px;
  color:var(--muted);
  display:flex;
  flex-wrap:wrap;
  gap:6px;
}
.crumbs a{color:var(--muted);transition:color var(--t-fast) var(--ease);}
.crumbs a:hover{color:var(--ink);}
.crumbs span.sep{color:var(--line);}
.crumbs .current{color:var(--muted);}

/* ---------- Hero (low) ---------- */
.channel-hero{
  position:relative;
  margin-top:20px;
  border-radius:var(--r-hero);
  overflow:hidden;
  background:var(--ink);
  border:1px solid rgba(247,245,241,.12);
  isolation:isolate;
}
.channel-hero .hero-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.55;
  z-index:-2;
}
.channel-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(20,48,43,.30);
  z-index:-1;
}
.channel-hero .hero-inner{
  min-height:172px;
  padding:34px 32px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:12px;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--inverse);
  text-transform:uppercase;
  font-family:var(--num);
  opacity:.85;
}
.hero-kicker .dot-live{
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(232,98,44,.22);
}
.channel-hero h1{
  color:var(--inverse);
  font-size:clamp(26px,3.4vw,42px);
  line-height:1.18;
  letter-spacing:-0.02em;
  max-width:820px;
}
.channel-hero h1 em{
  font-style:normal;
  color:#F3A47C;
}
.hero-sub{
  color:rgba(247,245,241,.82);
  font-size:15px;
  max-width:720px;
}

/* ---------- Section basics ---------- */
.section{padding:var(--section) 0;}
.section.tight{padding:72px 0;}
.section-alt{background:var(--surface);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.2;
}
.section-head .sub{
  margin-top:10px;
  font-size:15px;
  color:var(--muted);
  max-width:640px;
}
.eyebrow{
  display:inline-block;
  font-family:var(--num);
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--moss);
  margin-bottom:10px;
}

/* ---------- Channel chips ---------- */
.chip-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:22px 0 0;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:34px;
  padding:0 16px;
  border-radius:var(--r-pill);
  background:var(--card);
  border:1px solid var(--line);
  font-size:13px;
  color:var(--ink);
  transition:background-color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease),transform var(--t-fast) var(--ease);
}
.chip:hover{background:var(--surface);border-color:var(--moss);transform:translateY(-1px);}
.chip .num{font-family:var(--num);color:var(--accent);font-size:12px;font-weight:700;}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:var(--inverse);}
.chip.is-on .num{color:#F3A47C;}

/* ---------- Card grid ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--gap);
}
.entry-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease);
}
.entry-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-card);
  border-color:var(--moss);
}
.entry-media{
  position:relative;
  aspect-ratio:3/4;
  background:var(--surface);
  overflow:hidden;
}
.entry-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform var(--t-slow) var(--ease);
}
.entry-card:hover .entry-media img{transform:scale(1.04);}
.entry-media .badge-slot{
  position:absolute;
  top:12px;
  left:12px;
  display:flex;
  gap:6px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding:4px 10px;
  border-radius:var(--r-pill);
  background:rgba(20,48,43,.72);
  color:var(--inverse);
  font-size:12px;
  letter-spacing:.04em;
  font-family:var(--num);
}
.pill.accent{background:var(--accent);}
.entry-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.entry-body h3{
  font-size:18px;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry-body .desc{
  font-size:14px;
  line-height:1.7;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry-meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--divider);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:12px;
  color:var(--muted);
  font-family:var(--num);
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border-radius:var(--r-badge);
  background:var(--surface);
  color:var(--moss);
  font-size:12px;
  font-family:var(--sans);
  letter-spacing:.02em;
}
.tag.accent{background:var(--accent);color:var(--inverse);}
.arrow{
  display:inline-flex;
  align-items:center;
  gap:4px;
  color:var(--ink);
  font-size:13px;
  font-family:var(--sans);
  font-weight:600;
}
.arrow svg{width:14px;height:14px;transition:transform var(--t-fast) var(--ease);}
.entry-card:hover .arrow svg{transform:translateX(3px);}

/* ---------- Quick index / stat strip ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--card);
  overflow:hidden;
}
.stat-cell{
  padding:26px 24px;
  border-right:1px solid var(--divider);
}
.stat-cell:last-child{border-right:none;}
.stat-cell .figure{
  font-family:var(--num);
  font-variant-numeric:tabular-nums;
  font-size:32px;
  font-weight:700;
  color:var(--ink);
  line-height:1.1;
}
.stat-cell .figure small{font-size:14px;font-weight:500;color:var(--moss);margin-left:4px;}
.stat-cell .label{
  margin-top:8px;
  font-size:13px;
  color:var(--muted);
}

/* ---------- Split note block ---------- */
.split{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.split .visual{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface);
  aspect-ratio:4/3;
}
.split .visual img{width:100%;height:100%;object-fit:cover;}
.split h2{font-size:clamp(24px,2.6vw,32px);line-height:1.25;margin-bottom:16px;}
.split p{color:var(--muted);font-size:15.5px;margin-bottom:14px;}
.tick-list{display:flex;flex-direction:column;gap:14px;margin-top:22px;}
.tick-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  color:var(--text);
}
.tick-list li .idx{
  font-family:var(--num);
  font-size:13px;
  font-weight:700;
  color:var(--accent);
  padding-top:3px;
  min-width:22px;
}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--divider);max-width:880px;}
.faq-item{border-bottom:1px solid var(--divider);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:22px 0;
  background:none;
  border:none;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  transition:color var(--t-fast) var(--ease);
}
.faq-q:hover{color:var(--accent);}
.faq-sign{
  flex-shrink:0;
  width:22px;height:22px;
  position:relative;
}
.faq-sign::before,.faq-sign::after{
  content:"";
  position:absolute;
  background:var(--ink);
  transition:transform var(--t-mid) var(--ease),background-color var(--t-fast) var(--ease);
}
.faq-sign::before{left:0;top:10px;width:22px;height:2px;}
.faq-sign::after{left:10px;top:0;width:2px;height:22px;}
.faq-q[aria-expanded="true"] .faq-sign::after{transform:scaleY(0);}
.faq-q[aria-expanded="true"] .faq-sign::before{background:var(--accent);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height var(--t-mid) var(--ease);
}
.faq-a p{
  padding:0 0 22px;
  font-size:15px;
  line-height:1.78;
  color:var(--muted);
  max-width:720px;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);
  color:var(--inverse);
  border-radius:var(--r-hero);
  border:1px solid rgba(247,245,241,.14);
  padding:56px 48px;
  display:grid;
  grid-template-columns:1.3fr .7fr;
  gap:40px;
  align-items:center;
}
.cta-band h2{color:var(--inverse);font-size:clamp(24px,2.6vw,32px);line-height:1.25;margin-bottom:12px;}
.cta-band p{color:rgba(247,245,241,.78);font-size:15px;max-width:520px;}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.cta-band .btn-primary{background:var(--accent);color:#FFF7F2;}
.cta-band .btn-primary:hover{background:#D2541F;}
.cta-band .btn-ghost{border-color:rgba(247,245,241,.5);color:var(--inverse);}
.cta-band .btn-ghost:hover{background:var(--inverse);color:var(--ink);border-color:var(--inverse);}
.cta-note{
  font-size:13px;
  color:rgba(247,245,241,.6);
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);
  color:var(--inverse);
  padding:72px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:48px;
  padding-bottom:48px;
}
.site-footer .logo-text{color:var(--inverse);}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:rgba(247,245,241,.66);
  max-width:380px;
}
.footer-col h4{
  color:var(--inverse);
  font-family:var(--sans);
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{
  font-size:14px;
  color:rgba(247,245,241,.66);
}
.footer-col a{
  color:rgba(247,245,241,.66);
  transition:color var(--t-fast) var(--ease);
}
.footer-col a:hover{color:var(--inverse);}
.footer-bottom{
  border-top:1px solid rgba(247,245,241,.14);
  padding:22px 0 28px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(247,245,241,.55);
}
.footer-bottom .dot{margin:0 8px;}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:1023px){
  :root{--section:72px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-cell:nth-child(2){border-right:none;}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--divider);}
  .split{grid-template-columns:1fr;gap:32px;}
  .split .visual{order:-1;aspect-ratio:16/10;}
  .cta-band{grid-template-columns:1fr;padding:44px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .brand-actions .link-plain{display:none;}
}
@media (max-width:767px){
  :root{--section:64px;}
  .container{padding:0 18px;}
  .brand-inner{height:60px;}
  .logo-text{font-size:17px;}
  .channel-nav{gap:20px;}
  .channel-hero .hero-inner{min-height:150px;padding:26px 22px;}
  .card-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-cell{border-right:none;border-bottom:1px solid var(--divider);}
  .stat-cell:last-child{border-bottom:none;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .faq-q{font-size:16px;padding:18px 0;}
  .cta-band{padding:36px 22px;border-radius:var(--r-card);}
  .btn{height:46px;padding:0 22px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:390px){
  .logo-text{font-size:15.5px;}
  .logo svg{width:26px;height:26px;}
  .btn-sm{height:34px;padding:0 14px;font-size:13px;}
  .channel-hero h1{font-size:23px;}
  .chip{height:32px;padding:0 12px;font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category2 */
:root{
  --ink:#14302B;
  --ink-deep:#0C1F1B;
  --paper:#F7F5F1;
  --surface:#FFFFFF;
  --surface-2:#EFEAE2;
  --accent:#E8622C;
  --moss:#5C7A6B;
  --signal:#4FD1B0;
  --line:#DDD6C9;
  --line-soft:#E7E1D6;
  --text:#2B2A27;
  --muted:#6E6A63;
  --white:#F7F5F1;
  --ok:#2F7D5E;
  --warn:#B8791F;
  --err:#A33A2B;
  --radius-card:16px;
  --radius-hero:24px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(20,48,43,.06),0 8px 24px -12px rgba(20,48,43,.16);
  --shadow-float:0 24px 60px -24px rgba(20,48,43,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t-fast:160ms;
  --t-mid:240ms;
  --t-slow:420ms;
  --container:1200px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  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;}
button,input,textarea,select{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:700;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
svg{display:block;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head h2{font-size:clamp(24px,2.6vw,36px);line-height:1.2;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-sans);
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--moss);
  font-weight:600;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:18px;height:2px;
  background:var(--accent);
  border-radius:2px;
}
.lead{
  font-size:17px;
  line-height:1.8;
  color:var(--muted);
  max-width:44ch;
}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;}
.brand-bar{
  background:var(--paper);
  border-bottom:1px solid var(--line-soft);
}
.brand-inner{
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo svg{width:30px;height:30px;flex-shrink:0;}
.logo-text{
  font-family:var(--font-serif);
  font-size:19px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--ink);
  white-space:nowrap;
}
.brand-actions{display:flex;align-items:center;gap:20px;}
.link-plain{
  position:relative;
  font-size:14px;
  color:var(--muted);
  padding:4px 0;
  transition:color var(--t-fast) var(--ease);
}
.link-plain::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:100%;height:1.5px;
  background:var(--ink);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t-mid) var(--ease);
}
.link-plain:hover{color:var(--ink);}
.link-plain:hover::after{transform:scaleX(1);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
  transition:background var(--t-fast) var(--ease),color var(--t-fast) var(--ease),
             transform var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
}
.btn-sm{height:38px;padding:0 18px;font-size:13.5px;}
.btn-primary{background:var(--ink);color:var(--white);border:1px solid var(--ink);}
.btn-primary:hover{background:#0E241F;border-color:#0E241F;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--white);transform:translateY(-1px);}
.btn-light{background:var(--white);color:var(--ink);border:1px solid var(--white);}
.btn-light:hover{background:#E9E4DA;border-color:#E9E4DA;transform:translateY(-1px);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--ink);
  font-size:14.5px;font-weight:600;
  border-bottom:2px solid var(--accent);
  padding-bottom:2px;
  transition:color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
}
.btn-text:hover{color:var(--accent);}

.channel-bar{
  background:var(--surface);
  border-bottom:1px solid var(--line-soft);
}
.channel-nav{
  height:48px;
  display:flex;
  align-items:center;
  gap:28px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:48px;
  font-size:14.5px;
  color:var(--muted);
  white-space:nowrap;
  transition:color var(--t-fast) var(--ease);
}
.channel-link::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:100%;height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t-mid) var(--ease);
}
.channel-link:hover{color:var(--ink);}
.channel-link:hover::after{transform:scaleX(1);}
.channel-link.is-active{color:var(--ink);font-weight:700;}
.channel-link.is-active::after{transform:scaleX(1);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--muted);
  padding:22px 24px 0;
  max-width:var(--container);
  margin:0 auto;
}
.breadcrumb a{color:var(--muted);transition:color var(--t-fast) var(--ease);}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb .sep{color:#B9B3A8;}
.breadcrumb .current{color:var(--muted);}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  padding:40px 0 64px;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:56px;
  align-items:end;
  border-bottom:1px solid var(--line-soft);
}
.cat-hero h1{
  font-size:clamp(34px,4.6vw,60px);
  line-height:1.06;
  letter-spacing:-.02em;
}
.cat-hero h1 .mark{color:var(--accent);}
.hero-side{
  display:flex;
  flex-direction:column;
  gap:18px;
  padding-bottom:6px;
}
.hero-side p{font-size:16px;line-height:1.85;color:var(--muted);}
.hero-side .line{
  display:block;
  padding-left:16px;
  border-left:2px solid var(--accent);
  color:var(--text);
  font-size:15.5px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:600;
  color:var(--moss);
  background:var(--surface-2);
  border-radius:6px;
  padding:5px 10px;
  letter-spacing:.02em;
}
.chip-strong{background:var(--accent);color:#fff;}

/* ---------- 清单 ---------- */
.checklist{
  border-top:1px solid var(--line);
}
.check-item{
  display:grid;
  grid-template-columns:76px 1fr;
  gap:20px;
  align-items:start;
  padding:26px 14px;
  border-bottom:1px solid var(--line-soft);
  border-radius:12px;
  transition:background var(--t-mid) var(--ease),transform var(--t-mid) var(--ease);
}
.check-item:hover{background:var(--surface-2);transform:translateX(2px);}
.check-num{
  font-family:var(--font-serif);
  font-size:34px;
  line-height:1;
  font-weight:700;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  opacity:.9;
  padding-top:2px;
}
.check-head{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom:6px;
}
.check-head h3{font-size:19px;line-height:1.45;}
.check-item p{
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
  max-width:70ch;
}
.badge{
  display:inline-flex;
  align-items:center;
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.06em;
  padding:3px 9px;
  border-radius:6px;
  background:var(--surface-2);
  color:var(--moss);
}
.badge-accent{background:var(--accent);color:#fff;}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--muted);}

/* ---------- 流程条 ---------- */
.flow-wrap{
  background:var(--surface-2);
  border-radius:var(--radius-hero);
  padding:48px 40px;
  border:1px solid var(--line-soft);
}
.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-top:36px;
}
.flow-step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px 22px;
  box-shadow:var(--shadow-card);
  transition:transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease);
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-float);}
.flow-step .step-no{
  display:inline-block;
  font-family:var(--font-serif);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--accent);
  margin-bottom:10px;
}
.flow-step h3{font-size:17.5px;margin-bottom:8px;}
.flow-step p{font-size:14px;line-height:1.75;color:var(--muted);}

/* ---------- 深色面板 ---------- */
.dark-panel{
  background:var(--ink);
  color:var(--white);
  border-radius:var(--radius-hero);
  padding:56px 48px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
  position:relative;
  overflow:hidden;
  border:1px solid rgba(247,245,241,.08);
}
.dark-panel h2{color:var(--white);font-size:clamp(22px,2.4vw,32px);line-height:1.25;margin-bottom:16px;}
.dark-panel p{color:rgba(247,245,241,.74);font-size:15.5px;line-height:1.85;margin-bottom:16px;}
.dark-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
  margin-top:28px;
}
.stat{
  border-top:1px solid rgba(247,245,241,.18);
  padding-top:14px;
}
.stat strong{
  display:block;
  font-family:var(--font-serif);
  font-size:26px;
  color:var(--white);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.stat span{font-size:12.5px;color:rgba(247,245,241,.6);letter-spacing:.04em;}
.dark-media{
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  aspect-ratio:4/3;
  background:var(--surface-2);
  border:1px solid rgba(247,245,241,.14);
}
.dark-media img{width:100%;height:100%;object-fit:cover;opacity:.92;}
.dark-media .pill{
  position:absolute;
  left:14px;bottom:14px;
  background:rgba(12,31,27,.72);
  color:var(--white);
  font-size:12px;
  letter-spacing:.06em;
  padding:6px 12px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(247,245,241,.2);
}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line-soft);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 4px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  transition:color var(--t-fast) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--accent);}
.faq-toggle{
  position:relative;
  width:18px;height:18px;
  flex-shrink:0;
}
.faq-toggle::before,.faq-toggle::after{
  content:"";
  position:absolute;
  background:var(--moss);
  border-radius:2px;
  transition:transform var(--t-mid) var(--ease),background var(--t-fast) var(--ease);
}
.faq-toggle::before{left:0;top:8px;width:18px;height:2px;}
.faq-toggle::after{left:8px;top:0;width:2px;height:18px;}
.faq-item[open] .faq-toggle::after{transform:scaleY(0);}
.faq-item[open] .faq-toggle::before{background:var(--accent);}
.faq-answer{
  padding:0 4px 24px;
  font-size:15px;
  line-height:1.75;
  color:var(--muted);
  max-width:72ch;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);
  color:var(--white);
  padding:64px 0;
  border-top:1px solid rgba(247,245,241,.1);
  border-bottom:1px solid rgba(247,245,241,.1);
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-inner h2{
  color:var(--white);
  font-size:clamp(24px,2.8vw,36px);
  line-height:1.25;
  margin-bottom:10px;
}
.cta-inner p{color:rgba(247,245,241,.72);font-size:15.5px;max-width:52ch;}
.cta-meta{
  display:flex;
  flex-wrap:wrap;
  gap:24px;
  margin-top:18px;
  font-size:13px;
  color:rgba(247,245,241,.6);
}
.cta-meta span{display:inline-flex;align-items:center;gap:8px;}
.cta-meta span::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--signal);
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-deep);
  color:rgba(247,245,241,.72);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:48px;
  padding-bottom:48px;
}
.footer-brand .logo{gargin-bottom:16px;margin-bottom:16px;}
.footer-brand .logo-text{color:var(--white);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(247,245,241,.6);max-width:38ch;}
.footer-col h4{
  font-family:var(--font-sans);
  font-size:13px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:rgba(247,245,241,.5);
  margin-bottom:16px;
  font-weight:600;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;color:rgba(247,245,241,.68);}
.footer-col a{transition:color var(--t-fast) var(--ease);}
.footer-col a:hover{color:var(--white);}
.footer-bottom{
  border-top:1px solid rgba(247,245,241,.12);
  padding:22px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(247,245,241,.5);
}
.footer-bottom .dot{margin:0 8px;}

/* ---------- 动效 ---------- */
.rise{opacity:0;transform:translateY(12px);animation:rise var(--t-slow) var(--ease) forwards;}
@keyframes rise{to{opacity:1;transform:translateY(0);}}
.d1{animation-delay:60ms;}
.d2{animation-delay:120ms;}
.d3{animation-delay:180ms;}
.d4{animation-delay:240ms;}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .rise{opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .cat-hero{grid-template-columns:1fr;gap:32px;align-items:start;}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .dark-panel{grid-template-columns:1fr;padding:44px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .brand-actions .link-plain{display:none;}
  .logo-text{font-size:17px;}
  .cat-hero{padding:28px 0 48px;}
  .check-item{grid-template-columns:48px 1fr;gap:14px;padding:22px 8px;}
  .check-num{font-size:26px;}
  .check-head h3{font-size:17.5px;}
  .flow-wrap{padding:32px 20px;}
  .flow-grid{grid-template-columns:1fr;gap:14px;}
  .dark-panel{padding:36px 22px;gap:28px;}
  .dark-stats{grid-template-columns:1fr 1fr;}
  .cta-inner{gap:24px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{justify-content:flex-start;}
}
@media (max-width:390px){
  .brand-actions .btn-sm{height:34px;padding:0 14px;font-size:12.5px;}
  .dark-stats{grid-template-columns:1fr;}
  .check-head{gap:8px;}
}

/* roulang page: category3 */
:root{
  --ink:#14302B;
  --ink-deep:#0E241F;
  --paper:#F7F5F1;
  --sand:#EFEAE2;
  --card:#FFFFFF;
  --accent:#E8622C;
  --moss:#5C7A6B;
  --line:#DDD6C9;
  --rule:#E7E1D6;
  --text:#2B2A27;
  --muted:#6E6A63;
  --inverse:#F7F5F1;
  --ok:#2F7D5E;
  --warn:#B8791F;
  --r-card:16px;
  --r-hero:24px;
  --r-btn:999px;
  --r-sm:12px;
  --r-badge:6px;
  --shadow-1:0 1px 2px rgba(20,48,43,.06),0 8px 24px -12px rgba(20,48,43,.16);
  --shadow-2:0 24px 60px -24px rgba(20,48,43,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t1:160ms;
  --t2:240ms;
  --t3:420ms;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;color:var(--ink);font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
svg{display:block}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

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

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--paper)}
.brand-bar{background:#FBF9F6;border-bottom:1px solid var(--rule)}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding-top:10px;padding-bottom:10px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo svg{width:32px;height:32px;flex-shrink:0}
.logo-text{font-family:"Noto Serif SC","Songti SC",serif;font-size:19px;font-weight:700;letter-spacing:.01em;color:var(--ink);white-space:nowrap}
.brand-actions{display:flex;align-items:center;gap:20px}
.link-plain{font-size:14px;color:var(--muted);position:relative;transition:color var(--t2) var(--ease)}
.link-plain::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:2px;background:var(--accent);transition:width var(--t2) var(--ease)}
.link-plain:hover{color:var(--ink)}
.link-plain:hover::after{width:100%}
.channel-bar{border-bottom:1px solid var(--rule);background:#FBF9F6}
.channel-nav{display:flex;align-items:center;gap:28px;height:48px;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-link{position:relative;display:inline-flex;align-items:center;height:48px;font-size:15px;color:var(--muted);white-space:nowrap;transition:color var(--t2) var(--ease)}
.channel-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);transition:width var(--t2) var(--ease)}
.channel-link:hover{color:var(--ink)}
.channel-link:hover::after{width:100%}
.channel-link.is-active{color:var(--ink);font-weight:700}
.channel-link.is-active::after{width:100%}

/* ---------- buttons / badges ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--r-btn);border:1.5px solid transparent;font-size:15px;font-weight:600;letter-spacing:.01em;transition:background var(--t2) var(--ease),color var(--t2) var(--ease),transform var(--t2) var(--ease),box-shadow var(--t2) var(--ease)}
.btn-primary{background:var(--ink);color:var(--inverse);box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--inverse);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.text-link{color:var(--accent);font-weight:600;font-size:15px;border-bottom:2px solid var(--accent);padding-bottom:2px;transition:background var(--t2) var(--ease),color var(--t2) var(--ease)}
.text-link:hover{background:rgba(232,98,44,.1)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-badge);background:var(--sand);color:var(--moss);font-size:12px;font-weight:600;letter-spacing:.04em}
.badge-accent{background:var(--accent);color:#fff}
.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--moss);font-weight:700}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:22px 0 0;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.breadcrumb a{transition:color var(--t2) var(--ease)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--muted)}

/* ---------- hero ---------- */
.page-hero{padding:36px 0 8px;text-align:center}
.page-hero .eyebrow{display:block;margin-bottom:16px}
.page-hero h1{font-size:clamp(30px,4.4vw,52px);line-height:1.16;letter-spacing:-.02em;max-width:20em;margin:0 auto}
.page-hero h1 em{font-style:normal;color:var(--accent)}
.page-hero .hero-sub{margin:20px auto 0;max-width:40em;font-size:16px;color:var(--muted);line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px}

/* ---------- figure ---------- */
.showcase{margin-top:44px}
.showcase figure{margin:0;position:relative;border-radius:var(--r-hero);overflow:hidden;border:1px solid var(--line);background:var(--sand);box-shadow:var(--shadow-1)}
.showcase img{width:100%;aspect-ratio:21/9;object-fit:cover}
.showcase .fig-overlay{position:absolute;inset:0;background:rgba(20,48,43,.30)}
.showcase .fig-caption{position:absolute;left:24px;bottom:22px;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-btn);background:rgba(20,48,43,.62);color:var(--inverse);font-size:12px;letter-spacing:.06em;font-weight:600;backdrop-filter:blur(2px)}

/* ---------- section base ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;letter-spacing:-.01em}
.section-head p{font-size:15px;color:var(--muted);margin-top:8px;max-width:36em}
.section-head.center{flex-direction:column;align-items:center;text-align:center}

/* ---------- compare table ---------- */
.compare-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden}
.compare-head,.compare-row{display:grid;grid-template-columns:1fr 1.25fr 1.25fr;gap:0}
.compare-head{background:var(--ink);color:var(--inverse);font-size:13px;letter-spacing:.1em;font-weight:700;text-transform:uppercase}
.compare-head span{padding:16px 22px}
.compare-row{border-top:1px solid var(--rule);transition:background var(--t2) var(--ease)}
.compare-row:hover{background:#FBF9F6}
.compare-row span{padding:20px 22px;font-size:15px;line-height:1.75;color:var(--text)}
.compare-row .c-key{font-weight:700;color:var(--ink)}
.compare-row .c-good{color:var(--text)}
.compare-row .c-warn{color:var(--muted)}
.compare-row .c-good::before,.compare-row .c-warn::before{display:none}
.compare-note{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:24px;font-size:14px;color:var(--muted)}
.dot-sep{width:4px;height:4px;border-radius:50%;background:var(--line)}

/* ---------- key points ---------- */
.points{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.point{background:var(--card);border:1px solid var(--line);border-top:1px solid var(--line);border-radius:var(--r-card);padding:28px 26px 30px;box-shadow:var(--shadow-1);transition:transform var(--t2) var(--ease),box-shadow var(--t2) var(--ease)}
.point:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.point .num{display:block;font-family:"Noto Serif SC","Songti SC",serif;font-size:15px;font-weight:700;color:var(--accent);letter-spacing:.12em;margin-bottom:14px}
.point h3{font-size:20px;line-height:1.45;margin-bottom:12px}
.point p{font-size:15px;color:var(--muted);line-height:1.85}
.point .tagline{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}

/* ---------- checklist ---------- */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.check-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:30px 28px;box-shadow:var(--shadow-1)}
.check-card h3{font-size:20px;margin-bottom:6px}
.check-card .sub{font-size:14px;color:var(--muted);margin-bottom:20px}
.check-list li{display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--rule);font-size:15px;line-height:1.75}
.check-list li:first-child{border-top:none;padding-top:0}
.check-list .mark{flex-shrink:0;width:22px;height:22px;border-radius:6px;background:var(--sand);color:var(--moss);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:4px}
.check-card.is-dark{background:var(--ink);border-color:var(--ink);color:var(--inverse)}
.check-card.is-dark h3{color:var(--inverse)}
.check-card.is-dark .sub{color:rgba(247,245,241,.7)}
.check-card.is-dark .check-list li{border-top-color:rgba(247,245,241,.16);color:rgba(247,245,241,.9)}
.check-card.is-dark .check-list .mark{background:rgba(247,245,241,.14);color:var(--inverse)}

/* ---------- questions (non accordion) ---------- */
.qa-list{border-top:1px solid var(--rule)}
.qa-item{display:grid;grid-template-columns:.85fr 1.4fr;gap:32px;padding:28px 0;border-bottom:1px solid var(--rule)}
.qa-item dt{font-family:"Noto Serif SC","Songti SC",serif;font-size:17px;font-weight:700;color:var(--ink);line-height:1.6}
.qa-item dd{margin:0;font-size:15px;color:var(--muted);line-height:1.9}

/* ---------- testimonials ---------- */
.voices{background:var(--ink);color:var(--inverse);padding:56px 0;overflow:hidden}
.voices .voices-head{display:flex;align-items:center;gap:16px;margin-bottom:28px;flex-wrap:wrap}
.voices .voices-head h2{color:var(--inverse);font-size:22px}
.voices .voices-head .badge{background:rgba(247,245,241,.14);color:var(--inverse)}
.marquee{overflow:hidden;position:relative;mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.marquee-track{display:flex;gap:20px;width:max-content;animation:slide 30s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.voice{display:flex;align-items:center;gap:14px;padding:16px 22px;border-radius:var(--r-card);border:1px solid rgba(247,245,241,.16);background:rgba(247,245,241,.04);min-width:320px}
.voice .avatar{width:32px;height:32px;border-radius:50%;background:var(--moss);color:var(--inverse);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0}
.voice .text{font-size:14px;line-height:1.6;color:rgba(247,245,241,.92)}
.voice .name{display:block;font-size:12px;color:rgba(247,245,241,.55);margin-top:4px}
.stars{display:flex;gap:2px;flex-shrink:0}
.stars svg{width:13px;height:13px;fill:var(--accent)}

/* ---------- back link ---------- */
.back-row{display:flex;justify-content:center;padding:56px 0 8px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--inverse);padding:72px 0 0;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px;padding-bottom:48px}
.footer-brand .logo-text{color:var(--inverse)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(247,245,241,.72);max-width:34em}
.footer-col h4{color:var(--inverse);font-size:15px;letter-spacing:.04em;margin-bottom:18px}
.footer-col ul li{font-size:14px;color:rgba(247,245,241,.72);line-height:1.9;padding:4px 0}
.footer-col ul li a{transition:color var(--t2) var(--ease)}
.footer-col ul li a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(247,245,241,.16);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(247,245,241,.62)}
.footer-bottom .dot{margin:0 8px;color:rgba(247,245,241,.32)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .section{padding:76px 0}
}
@media (max-width:1023px){
  .points{grid-template-columns:1fr 1fr}
  .compare-head,.compare-row{grid-template-columns:1fr 1.1fr 1.1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .footer-brand{grid-column:1/-1}
  .qa-item{grid-template-columns:1fr;gap:10px}
}
@media (max-width:900px){
  .check-grid{grid-template-columns:1fr}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section,.section-tight{padding:64px 0}
  .brand-inner{min-height:60px}
  .logo-text{font-size:17px}
  .brand-actions .link-plain{display:none}
  .brand-actions{gap:10px}
  .channel-nav{gap:22px}
  .page-hero{padding:26px 0 4px}
  .page-hero .hero-sub{font-size:15px}
  .hero-actions .btn{width:100%}
  .showcase img{aspect-ratio:16/10}
  .compare-head{display:none}
  .compare-row{grid-template-columns:1fr;border-top:1px solid var(--rule);padding:8px 0}
  .compare-row span{padding:8px 20px}
  .compare-row .c-key{font-size:13px;letter-spacing:.08em;color:var(--moss);text-transform:uppercase;padding-top:16px}
  .compare-row .c-good::before,.compare-row .c-warn::before{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.08em;padding:2px 8px;border-radius:var(--r-badge);margin-right:8px;vertical-align:2px}
  .compare-row .c-good::before{content:"照做";background:rgba(47,125,94,.14);color:var(--ok)}
  .compare-row .c-warn::before{content:"易错";background:rgba(184,121,31,.16);color:var(--warn)}
  .compare-row:last-child span:last-child{padding-bottom:20px}
  .points{grid-template-columns:1fr}
  .voice{min-width:270px}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;gap:8px}
  .back-row{padding:40px 0 0}
}
@media (max-width:390px){
  .logo-text{font-size:15px}
  .logo svg{width:28px;height:28px}
  .btn-sm{height:36px;padding:0 14px;font-size:13px}
  .page-hero h1{font-size:27px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .marquee-track{animation:none}
}