/* roulang page: index */
:root{
  --c-brand:#F2A03C;
  --c-brand-h:#DE8620;
  --c-brand-soft:#FDF0DC;
  --c-on-brand:#2A1408;
  --c-deep:#7B1F44;
  --c-deep-2:#5E1633;
  --c-deep-soft:#F7E4EB;
  --c-paper:#FFFDF9;
  --c-paper-2:#FBF2E6;
  --c-ink-block:#231019;
  --c-ink-900:#1C1220;
  --c-ink-600:#5F5063;
  --c-ink-400:#948798;
  --c-line:#EADFD2;
  --c-ok:#2F6E62;
  --c-warn:#C8791C;
  --c-err:#A32B3E;
  --c-info:#5C5470;
  --c-on-dark:#FFF7EC;
  --c-on-dark-2:#E5D5C8;
  --f-display:"Noto Serif SC","Songti SC",serif;
  --f-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --f-num:"Space Grotesk","Inter",sans-serif;
  --r-s:8px;
  --r-m:12px;
  --r-l:18px;
  --r-xl:26px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,18,32,.06);
  --sh-2:0 10px 26px -10px rgba(28,18,32,.16);
  --sh-3:0 26px 56px -22px rgba(123,31,68,.24);
  --side-w:248px;
  --maxw:1200px;
  --sp-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--f-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink-900);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-deep);text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-deep);outline-offset:2px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.skip{position:absolute;left:-9999px;top:0;background:var(--c-brand);color:var(--c-on-brand);padding:10px 18px;border-radius:var(--r-m);z-index:999}
.skip:focus{left:16px;top:16px}

/* ---------- Logo ---------- */
.logo-mark{width:32px;height:32px;flex:0 0 32px;color:var(--c-deep)}
.logo-mark circle:nth-child(2){fill:var(--c-paper)}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text b{font-family:var(--f-display);font-size:17px;letter-spacing:-.01em;color:var(--c-ink-900)}
.logo-text em{font-style:normal;font-size:12.5px;letter-spacing:.06em;color:var(--c-deep);font-weight:600}

/* ---------- Sidebar ---------- */
.sidebar{
  position:fixed;
  left:0;top:0;bottom:0;
  width:var(--side-w);
  background:var(--c-paper);
  border-right:1px solid var(--c-line);
  display:flex;
  flex-direction:column;
  padding:0 18px 18px;
  overflow-y:auto;
  z-index:60;
}
.side-logo{display:flex;align-items:center;gap:10px;padding:26px 6px 22px}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 14px;border-radius:10px;
  font-size:15px;color:var(--c-ink-600);
  transition:background .2s ease,color .2s ease;
}
.nav-item svg{width:18px;height:18px;flex:0 0 18px;color:var(--c-ink-400);transition:color .2s ease}
.nav-item:hover{background:var(--c-brand-soft);color:var(--c-ink-900)}
.nav-item:hover svg{color:var(--c-deep)}
.nav-item.is-active{background:var(--c-brand-soft);color:var(--c-ink-900);font-weight:700}
.nav-item.is-active svg{color:var(--c-deep)}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:12px;width:3px;height:20px;
  border-radius:var(--r-pill);background:var(--c-brand);
}
.side-divider{height:1px;background:var(--c-line);margin:20px 4px}
.side-card{
  background:var(--c-deep-soft);
  border-radius:var(--r-m);
  padding:16px;
  font-size:13px;
  line-height:1.7;
  color:var(--c-deep-2);
}
.side-card b{display:block;font-size:14px;margin-bottom:6px;color:var(--c-deep)}
.side-card p{color:var(--c-ink-600);font-size:13px}
.side-cta{margin-top:14px}
.side-foot{margin-top:auto;padding-top:20px;font-size:12.5px;color:var(--c-ink-400);line-height:1.7}

/* ---------- Shell ---------- */
.shell{margin-left:var(--side-w);display:flex;flex-direction:column;min-height:100vh}
.main{flex:1 1 auto}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;
  padding:12px 26px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .22s ease,background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--c-brand);color:var(--c-on-brand);box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-brand-h);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{box-shadow:inset 0 2px 6px rgba(0,0,0,.18)}
.btn-ghost{background:var(--c-paper);color:var(--c-ink-900);border-color:var(--c-ink-900)}
.btn-ghost:hover{background:var(--c-paper-2);border-color:var(--c-deep);color:var(--c-deep)}
.btn-block{width:100%}
.btn-on-dark{background:var(--c-brand);color:var(--c-on-brand)}
.btn-on-dark:hover{background:var(--c-brand-h);transform:translateY(-1px)}
.btn-outline-dark{background:transparent;color:var(--c-on-dark);border-color:rgba(255,247,236,.4)}
.btn-outline-dark:hover{border-color:var(--c-on-dark);background:rgba(255,247,236,.08)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.link-btn{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--c-deep);
  padding-bottom:3px;min-height:32px;
}
.link-btn::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--c-deep);transition:width .26s ease;
}
.link-btn:hover::after{width:100%}
.link-btn.on-dark{color:var(--c-brand)}
.link-btn.on-dark::after{background:var(--c-brand)}

/* ---------- Badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-brand-soft);
  color:var(--c-on-brand);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  padding:6px 14px;border-radius:var(--r-pill);
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-deep)}
.tag{
  display:inline-block;
  background:var(--c-deep-soft);
  color:var(--c-deep);
  font-size:12px;font-weight:600;line-height:1.6;
  padding:3px 8px;border-radius:6px;
}
.tag-brand{background:var(--c-brand-soft);color:var(--c-on-brand)}

/* ---------- Section base ---------- */
.section{padding:var(--sp-section) 0}
.section + .section{padding-top:0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-title{display:flex;align-items:center;gap:14px}
.ticks{display:inline-flex;flex-direction:column;gap:3px;flex:0 0 auto}
.ticks i{display:block;height:3px;border-radius:var(--r-pill);background:var(--c-brand)}
.ticks i:nth-child(1){width:20px}
.ticks i:nth-child(2){width:13px;background:var(--c-deep)}
.ticks i:nth-child(3){width:7px;background:var(--c-line)}
h2.sec-h2{font-family:var(--f-display);font-size:34px;line-height:1.28;font-weight:700;letter-spacing:-.01em}
.sec-desc{font-size:14px;color:var(--c-ink-600);margin-top:10px;max-width:640px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:64px 0 0;background:var(--c-paper)}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center;padding-bottom:64px}
.hero-copy h1{
  font-family:var(--f-display);
  font-size:46px;line-height:1.22;font-weight:700;letter-spacing:-.01em;
  margin:20px 0 18px;
}
.hero-sub{font-size:16.5px;line-height:1.8;color:var(--c-ink-600);max-width:540px}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero-stats{display:flex;gap:0;margin-top:36px;flex-wrap:wrap}
.hero-stats li{padding-right:28px;margin-right:28px;border-right:1px solid var(--c-line)}
.hero-stats li:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-stats b{display:block;font-family:var(--f-num);font-size:20px;font-weight:700;line-height:1.3;color:var(--c-ink-900)}
.hero-stats span{font-size:12.5px;color:var(--c-ink-400)}
.hero-media{position:relative;border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-3)}
.hero-media img{width:100%;aspect-ratio:4/5;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(123,31,68,0) 42%,rgba(123,31,68,.62) 100%);
}
.hero-float{
  position:absolute;right:16px;bottom:16px;z-index:2;
  width:180px;
  background:var(--c-paper);
  border-radius:var(--r-m);
  padding:12px 14px;
  font-size:13px;line-height:1.6;
  color:var(--c-ink-900);
  box-shadow:var(--sh-2);
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.hero-float:hover{transform:translateY(-2px);box-shadow:var(--sh-3)}
.hero-float span{color:var(--c-deep);font-weight:700;font-family:var(--f-num)}
.film-strip{
  height:12px;
  background-image:radial-gradient(circle,rgba(28,18,32,.11) 3px,transparent 3px);
  background-size:20px 12px;
  background-position:center;
}

/* ---------- Trust bar ---------- */
.trust{background:var(--c-paper-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.trust-inner{display:flex;align-items:center;min-height:72px;flex-wrap:wrap}
.trust-item{flex:1 1 0;display:flex;flex-direction:column;gap:2px;padding:14px 22px;border-right:1px solid var(--c-line)}
.trust-item:first-child{padding-left:0}
.trust-item:last-child{border-right:0}
.trust-item b{font-size:13px;font-weight:700;color:var(--c-deep);letter-spacing:.02em}
.trust-item span{font-size:13.5px;color:var(--c-ink-600);line-height:1.6}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.step{
  background:var(--c-paper);
  border-radius:var(--r-l);
  padding:28px 26px 22px;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step:nth-child(2){margin-top:24px}
.step:nth-child(3){margin-top:48px}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.step-num{
  font-family:var(--f-num);font-size:40px;font-weight:700;line-height:1;
  color:var(--c-brand-soft);
  -webkit-text-stroke:1px var(--c-brand);
  margin-bottom:14px;display:block;
}
.step h3{font-size:21px;font-weight:600;line-height:1.45;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--c-ink-600);line-height:1.8}
.step .link-btn{margin-top:16px;opacity:0;transition:opacity .22s ease}
.step:hover .link-btn,.step:focus-within .link-btn{opacity:1}

/* ---------- Evidence ---------- */
.evidence{display:grid;grid-template-columns:7fr 5fr;gap:32px}
.ev-main{display:flex;flex-direction:column;gap:14px}
.ev-main .ev-thumb{border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1)}
.ev-main img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.ev-main:hover img{transform:scale(1.02)}
.ev-main h3{font-size:23px;line-height:1.45;font-weight:600}
.ev-main p{font-size:14.5px;color:var(--c-ink-600);max-width:560px}
.ev-data{display:flex;gap:28px;padding-top:14px;border-top:1px solid var(--c-line);margin-top:4px;flex-wrap:wrap}
.ev-data div b{display:block;font-family:var(--f-num);font-size:24px;font-weight:700;line-height:1.25}
.ev-data div span{font-size:12.5px;color:var(--c-ink-400)}
.ev-side{display:flex;flex-direction:column;gap:0}
.ev-mini{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--c-line);transition:transform .22s ease}
.ev-mini:first-child{padding-top:0}
.ev-mini:last-child{border-bottom:0}
.ev-mini:hover{transform:translateX(2px)}
.ev-mini img{width:96px;height:96px;flex:0 0 96px;border-radius:var(--r-m);object-fit:cover}
.ev-mini h4{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:6px;transition:color .2s ease}
.ev-mini:hover h4{color:var(--c-deep)}
.ev-mini .meta{font-size:12.5px;color:var(--c-ink-400);font-family:var(--f-num);letter-spacing:.02em}

/* ---------- News / CMS ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-l);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-brand)}
.news-card .thumb{aspect-ratio:16/10;overflow:hidden}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .thumb img{transform:scale(1.03)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{
  font-size:18px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-card:hover .news-body h3{color:var(--c-deep)}
.news-body p{
  font-size:14px;color:var(--c-ink-600);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  flex:1;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;font-family:var(--f-num);font-size:13px;color:var(--c-ink-400);padding-top:6px;border-top:1px solid var(--c-line)}
.news-meta .arrow{color:var(--c-deep);font-weight:700}
.empty-state{
  border:1px dashed var(--c-line);
  border-radius:var(--r-xl);
  padding:48px 24px;
  text-align:center;
}
.empty-state svg{width:36px;height:36px;color:var(--c-ink-400);margin:0 auto 14px}
.empty-state p{font-size:15px;color:var(--c-ink-600);margin-bottom:14px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside{position:sticky;top:96px}
.faq-aside p{font-size:14.5px;color:var(--c-ink-600);margin-top:12px;max-width:320px}
.faq-aside .link-btn{margin-top:18px}
.faq-list{max-width:820px;border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;
  background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--c-ink-900);
  min-height:44px;
}
.faq-q:hover{color:var(--c-deep)}
.faq-icon{
  flex:0 0 20px;width:20px;height:20px;position:relative;transition:transform .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-deep);border-radius:2px;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;transition:opacity .25s ease}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{font-size:15px;line-height:1.85;color:var(--c-ink-600);padding:0 0 20px}

/* ---------- CTA ---------- */
.cta{
  position:relative;
  background:var(--c-ink-block);
  border-radius:var(--r-xl);
  padding:64px;
  overflow:hidden;
  color:var(--c-on-dark);
}
.cta::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(242,160,60,.06) 0 1px,transparent 1px 14px);
  opacity:.9;pointer-events:none;
}
.cta-inner{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start}
.cta h2{font-family:var(--f-display);font-size:34px;line-height:1.28;font-weight:700;color:var(--c-on-dark);letter-spacing:-.01em}
.cta p{font-size:15px;line-height:1.85;color:var(--c-on-dark-2);margin-top:14px;max-width:460px}
.cta-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.cta-form{
  background:rgba(255,247,236,.06);
  border:1px solid rgba(255,247,236,.14);
  border-radius:var(--r-l);
  padding:24px;
  display:flex;flex-direction:column;gap:14px;
}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;font-weight:600;color:var(--c-on-dark-2)}
.field input,.field select{
  height:46px;
  border-radius:10px;
  border:1px solid rgba(255,247,236,.22);
  background:rgba(255,253,249,.06);
  color:var(--c-on-dark);
  padding:0 12px;
  font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field select option{color:var(--c-ink-900);background:var(--c-paper)}
.field input::placeholder{color:rgba(229,213,200,.6)}
.field input:focus,.field select:focus{
  outline:none;
  border-color:var(--c-brand);
  box-shadow:0 0 0 2px rgba(242,160,60,.35);
}
.field.is-error input,.field.is-error select{border-color:var(--c-err)}
.field .err-msg{font-size:12.5px;color:#E58A9C;display:none}
.field.is-error .err-msg{display:block}
.form-note{font-size:13px;color:var(--c-brand);min-height:20px}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-ink-block);color:var(--c-on-dark);margin-top:0}
.footer-inner{padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-text b{color:var(--c-on-dark)}
.footer-brand .logo-text em{color:var(--c-brand)}
.footer-brand .logo-mark{color:var(--c-brand)}
.footer-brand .logo-mark circle:nth-child(2){fill:var(--c-ink-block)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,247,236,.7);margin-top:16px;max-width:300px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:44px;height:44px;border-radius:var(--r-m);
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,247,236,.18);
  color:var(--c-on-dark);font-size:12.5px;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.footer-social a:hover{border-color:var(--c-brand);color:var(--c-brand);background:rgba(242,160,60,.08)}
.footer-col h4{font-size:14px;font-weight:600;color:var(--c-on-dark-2);margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,247,236,.7);transition:color .2s ease;display:inline-block;line-height:1.7}
.footer-col a:hover{color:var(--c-brand)}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,247,236,.14);
  padding:22px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,247,236,.55);
}
.footer-bottom .note{font-size:12.5px}

/* ---------- Mobile top bar / drawer ---------- */
.mobile-top{
  display:none;
  position:sticky;top:0;z-index:70;
  height:56px;
  background:var(--c-paper);
  border-bottom:1px solid var(--c-line);
  align-items:center;justify-content:space-between;
  padding:0 16px;
}
.burger{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  background:transparent;border:0;cursor:pointer;border-radius:var(--r-m);
}
.burger span{display:block;width:20px;height:2px;background:var(--c-ink-900);position:relative;border-radius:2px}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--c-ink-900);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(28,18,32,.5);
  backdrop-filter:blur(12px);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
  z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;left:0;top:0;bottom:0;
  width:82vw;max-width:320px;
  background:var(--c-paper);
  z-index:90;
  transform:translateX(-102%);
  transition:transform .28s ease;
  display:flex;flex-direction:column;
  padding:16px 18px 24px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--c-line)}
.drawer-close{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  background:transparent;border:0;cursor:pointer;border-radius:var(--r-m);font-size:22px;color:var(--c-ink-900);
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-top:16px}
.drawer-nav .nav-item{height:48px}
.drawer-cta{margin-top:20px}

/* ---------- Sticky mini bar & back to top ---------- */
.stopbar{
  position:fixed;left:0;right:0;top:0;z-index:65;
  height:44px;
  background:var(--c-paper);
  border-bottom:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 32px;
  transform:translateY(-100%);
  transition:transform .28s ease;
  font-size:14px;
  margin-left:var(--side-w);
}
.stopbar.is-on{transform:translateY(0)}
.stopbar .t{font-weight:600;color:var(--c-ink-900);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:66;
  width:48px;height:48px;border-radius:50%;
  background:var(--c-paper);
  border:1px solid var(--c-line);
  box-shadow:var(--sh-2);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.to-top.is-on{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:var(--c-brand)}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  :root{--side-w:84px}
  .sidebar{padding:0 12px 18px;align-items:center}
  .logo-text{display:none}
  .side-logo{padding:24px 0 18px;justify-content:center}
  .side-nav{width:100%}
  .nav-item{justify-content:center;padding:0;font-size:0;gap:0}
  .nav-item svg{width:20px;height:20px;flex:0 0 20px}
  .side-card,.side-foot{display:none}
  .side-divider{width:100%;margin:16px 0}
  .side-cta{display:none}
  .hero-copy h1{font-size:40px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:1/-1}
}
@media (max-width:1023px){
  :root{--side-w:0px;--sp-section:72px}
  .sidebar{display:none}
  .mobile-top{display:flex}
  .stopbar{margin-left:0;padding:0 20px}
  .hero{padding-top:32px}
  .hero-grid{grid-template-columns:1fr;gap:32px;padding-bottom:48px}
  .hero-copy h1{font-size:34px}
  .hero-sub{max-width:none}
  .hero-media img{aspect-ratio:4/3}
  .steps{grid-template-columns:1fr;gap:0}
  .step{margin-top:0!important;border-radius:var(--r-m);box-shadow:none;border-left:1px solid var(--c-line);padding:0 0 24px 22px;position:relative;background:transparent}
  .step::before{
    content:"";position:absolute;left:-5px;top:8px;width:9px;height:9px;border-radius:50%;
    background:var(--c-brand);box-shadow:0 0 0 4px var(--c-paper);
  }
  .step .link-btn{opacity:1}
  .step-num{font-size:30px;-webkit-text-stroke:1px var(--c-brand)}
  .evidence{grid-template-columns:1fr;gap:24px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr;gap:24px}
  .faq-aside{position:static}
  .cta{padding:40px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-col:last-child{grid-column:auto}
}
@media (max-width:640px){
  :root{--sp-section:56px}
  .container{padding:0 18px}
  h2.sec-h2{font-size:26px}
  .hero-copy h1{font-size:31px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:0}
  .hero-stats li{padding-right:18px;margin-right:18px}
  .hero-float{width:150px;font-size:12.5px;right:12px;bottom:12px}
  .trust-inner{flex-direction:column;align-items:stretch}
  .trust-item{border-right:0;border-bottom:1px solid var(--c-line);padding:14px 0}
  .trust-item:last-child{border-bottom:0}
  .news-grid{grid-template-columns:1fr}
  .news-card{flex-direction:row;align-items:stretch}
  .news-card .thumb{width:112px;flex:0 0 112px;aspect-ratio:auto}
  .news-body{padding:14px 14px 14px 16px;gap:8px}
  .news-body p{display:none}
  .news-body h3{font-size:16px;-webkit-line-clamp:2}
  .news-meta{font-size:12px;padding-top:4px}
  .ev-main h3{font-size:20px}
  .ev-mini img{width:80px;height:80px;flex:0 0 80px}
  .cta{padding:28px 20px;border-radius:var(--r-l)}
  .cta h2{font-size:26px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .stopbar{font-size:13px}
  .section-head{gap:12px}
}

/* roulang page: article */
:root{
  --c-brand:#F2A03C;
  --c-brand-h:#DE8620;
  --c-brand-soft:#FDF0DC;
  --c-on-brand:#2A1408;
  --c-deep:#7B1F44;
  --c-deep-2:#5E1633;
  --c-deep-soft:#F7E4EB;
  --c-paper:#FFFDF9;
  --c-paper-2:#FBF2E6;
  --c-ink-block:#231019;
  --c-ink-900:#1C1220;
  --c-ink-600:#5F5063;
  --c-ink-400:#948798;
  --c-line:#EADFD2;
  --c-success:#2F6E62;
  --c-warn:#C8791C;
  --c-error:#A32B3E;
  --c-info:#5C5470;
  --f-display:"Noto Serif SC","Songti SC",serif;
  --f-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --f-num:"Space Grotesk","Inter",sans-serif;
  --r-s:8px;
  --r-m:12px;
  --r-l:18px;
  --r-xl:26px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,18,32,.06);
  --sh-2:0 10px 26px -10px rgba(28,18,32,.16);
  --sh-3:0 26px 56px -22px rgba(123,31,68,.24);
  --w-max:1200px;
  --side-w:248px;
  --sp-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-ink-900);
  font-family:var(--f-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-deep);text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-deep);
  outline-offset:2px;
  border-radius:4px;
}
.container{
  width:100%;
  max-width:var(--w-max);
  margin:0 auto;
  padding:0 32px;
}
.app-shell{min-height:100vh}

/* ---------- 左侧导航 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--side-w);
  background:var(--c-paper-2);
  border-right:1px solid var(--c-line);
  display:flex;
  flex-direction:column;
  padding:24px 16px 20px;
  overflow-y:auto;
  z-index:90;
}
.side-logo{
  display:flex;
  align-items:center;
  gap:10px;
  padding:4px 8px 20px;
  border-bottom:1px solid var(--c-line);
  margin-bottom:18px;
  text-decoration:none;
}
.logo-mark{width:30px;height:30px;flex:0 0 30px;color:var(--c-brand)}
.logo-text{display:flex;flex-direction:column;line-height:1.2;font-family:var(--f-display);min-width:0}
.logo-text b{font-size:16.5px;font-weight:700;color:var(--c-ink-900);letter-spacing:-.01em;white-space:nowrap}
.logo-text em{font-style:normal;font-size:12.5px;color:var(--c-deep);letter-spacing:.06em;white-space:nowrap}
.side-nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  height:44px;
  padding:0 14px;
  border-radius:10px;
  color:var(--c-ink-600);
  font-size:15px;
  text-decoration:none;
  transition:background .2s ease,color .2s ease;
}
.nav-item svg{width:18px;height:18px;flex:0 0 18px;transition:color .2s ease}
.nav-item:hover{background:var(--c-brand-soft);color:var(--c-ink-900)}
.nav-item:hover svg{color:var(--c-deep)}
.nav-item.is-active{background:var(--c-brand-soft);color:var(--c-ink-900);font-weight:700}
.nav-item.is-active::before{
  content:"";
  position:absolute;
  left:0;top:10px;bottom:10px;
  width:3px;
  border-radius:2px;
  background:var(--c-brand);
}
.side-divider{height:1px;background:var(--c-line);margin:20px 0}
.side-card{
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-m);
  padding:16px;
  box-shadow:var(--sh-1);
  margin-bottom:16px;
}
.side-card-t{font-size:14px;font-weight:700;color:var(--c-ink-900);margin-bottom:6px}
.side-card-d{font-size:12.5px;line-height:1.7;color:var(--c-ink-600);margin-bottom:10px}
.side-link{font-size:13px;font-weight:600;color:var(--c-deep)}
.side-link:hover{color:var(--c-brand-h)}
.side-foot{
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid var(--c-line);
  display:flex;
  flex-direction:column;
  gap:2px;
  font-family:var(--f-num);
  font-size:11.5px;
  color:var(--c-ink-400);
  letter-spacing:.02em;
}
.drawer-close{
  display:none;
  position:absolute;
  top:14px;right:14px;
  width:44px;height:44px;
  border:1px solid var(--c-line);
  background:var(--c-paper);
  border-radius:var(--r-s);
  color:var(--c-ink-600);
  font-size:20px;
  line-height:1;
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.drawer-overlay{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(28,18,32,.5);
  backdrop-filter:blur(12px);
  z-index:80;
}
.drawer-overlay.is-open{display:block}

/* ---------- 主内容区 ---------- */
.main-area{
  margin-left:var(--side-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.mobile-bar{
  display:none;
  position:sticky;
  top:0;
  z-index:70;
  height:56px;
  align-items:center;
  justify-content:space-between;
  padding:0 18px;
  background:var(--c-paper);
  border-bottom:1px solid var(--c-line);
}
.mobile-bar .side-logo{padding:0;border:0;margin:0}
.burger{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-brand-soft);
  border:1px solid var(--c-line);
  border-radius:var(--r-s);
  color:var(--c-ink-900);
  cursor:pointer;
}
.burger svg{width:20px;height:20px}
.top-strip{
  position:sticky;
  top:0;
  z-index:50;
  height:44px;
  display:flex;
  align-items:center;
  gap:16px;
  background:rgba(255,253,249,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
  padding:0 32px;
  font-size:13.5px;
}
.top-strip .strip-title{
  color:var(--c-ink-600);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  min-width:0;
  flex:1 1 auto;
}
.top-strip .strip-link{
  flex:0 0 auto;
  font-weight:600;
  color:var(--c-deep);
  border-bottom:2px solid transparent;
  transition:border-color .2s ease,color .2s ease;
  padding-bottom:1px;
}
.top-strip .strip-link:hover{border-color:var(--c-deep)}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:nowrap;
  font-size:14px;
  color:var(--c-ink-400);
  padding:28px 0 22px;
  min-width:0;
}
.breadcrumb a{color:var(--c-ink-400);transition:color .2s ease}
.breadcrumb a:hover{color:var(--c-deep)}
.breadcrumb .sep{color:var(--c-line);flex:0 0 auto}
.breadcrumb .current{
  color:var(--c-ink-600);
  max-width:24em;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,740px) 300px;
  gap:56px;
  align-items:start;
  padding-bottom:48px;
}
.article-head{padding-bottom:24px;border-bottom:1px solid var(--c-line)}
.badge{
  display:inline-block;
  font-size:12px;
  line-height:1.5;
  font-weight:600;
  color:var(--c-deep-2);
  background:var(--c-deep-soft);
  border-radius:6px;
  padding:3px 9px;
  letter-spacing:.02em;
}
.article-title{
  font-family:var(--f-display);
  font-size:44px;
  line-height:1.22;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--c-ink-900);
  margin:16px 0 18px;
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:0;
  font-size:13.5px;
  color:var(--c-ink-400);
}
.article-meta span{display:inline-flex;align-items:center;padding:0 12px;line-height:1.4}
.article-meta span:first-child{padding-left:0}
.article-meta span + span{border-left:1px solid var(--c-line)}
.article-meta .num{font-family:var(--f-num);letter-spacing:.02em}
.article-cover{margin:28px 0 8px}
.article-cover img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
}
.article-cover figcaption{
  font-size:13px;
  color:var(--c-ink-400);
  text-align:center;
  margin-top:12px;
}

/* ---------- 正文排版 ---------- */
.article-content{
  font-size:16px;
  line-height:1.9;
  color:var(--c-ink-900);
  padding-top:32px;
}
.article-content > *:first-child{margin-top:0}
.article-content p{margin:0 0 20px}
.article-content h2{
  position:relative;
  font-family:var(--f-display);
  font-size:32px;
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.01em;
  margin:48px 0 16px;
  padding-left:16px;
}
.article-content h2::before{
  content:"";
  position:absolute;
  left:0;top:.2em;bottom:.2em;
  width:3px;
  border-radius:2px;
  background:var(--c-brand);
}
.article-content h3{
  font-family:var(--f-display);
  font-size:21px;
  line-height:1.45;
  font-weight:600;
  margin:32px 0 12px;
}
.article-content h4{font-size:17px;font-weight:600;margin:24px 0 10px}
.article-content ul,.article-content ol{padding-left:22px;margin:0 0 20px}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{margin:7px 0;line-height:1.85}
.article-content ul li::marker{color:var(--c-brand)}
.article-content ol li::marker{color:var(--c-deep);font-family:var(--f-num)}
.article-content blockquote{
  margin:26px 0;
  padding:20px 24px;
  background:var(--c-paper-2);
  border-left:3px solid var(--c-deep);
  border-radius:0 var(--r-m) var(--r-m) 0;
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-600);
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:var(--r-m);margin:24px auto;width:100%;height:auto}
.article-content a{color:var(--c-deep);border-bottom:1px solid rgba(123,31,68,.35);transition:border-color .2s ease,color .2s ease}
.article-content a:hover{color:var(--c-brand-h);border-color:var(--c-brand-h)}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin:26px 0;
  font-size:15px;
  line-height:1.7;
  border:1px solid var(--c-line);
  border-radius:var(--r-s);
  overflow:hidden;
}
.article-content th{
  background:var(--c-brand-soft);
  color:var(--c-ink-900);
  font-weight:600;
  text-align:left;
  padding:11px 14px;
  border:1px solid var(--c-line);
}
.article-content td{padding:11px 14px;border:1px solid var(--c-line);color:var(--c-ink-600)}
.article-content tbody tr:hover td{background:var(--c-paper-2)}
.article-content hr{border:0;border-top:1px solid var(--c-line);margin:36px 0}
.empty-state{
  border:1px dashed var(--c-line);
  border-radius:var(--r-l);
  padding:56px 32px;
  text-align:center;
  background:var(--c-paper-2);
  margin-top:32px;
}
.empty-state .empty-ico{
  width:44px;height:44px;
  margin:0 auto 16px;
  color:var(--c-deep);
  opacity:.75;
}
.empty-state p{font-size:15px;color:var(--c-ink-600);margin-bottom:18px}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-panel{
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-l);
  padding:22px;
  box-shadow:var(--sh-1);
}
.panel-t{
  font-size:14px;
  font-weight:700;
  color:var(--c-ink-900);
  margin:20px 0 10px;
  padding-bottom:10px;
  border-bottom:1px solid var(--c-line);
}
.panel-list li + li{border-top:1px solid var(--c-line)}
.panel-list a{
  display:flex;
  align-items:center;
  gap:8px;
  padding:11px 0;
  font-size:14px;
  color:var(--c-ink-600);
  transition:color .2s ease,padding-left .2s ease;
}
.panel-list a::before{
  content:"";
  width:10px;height:2px;
  border-radius:2px;
  background:var(--c-brand);
  flex:0 0 10px;
  transition:width .2s ease;
}
.panel-list a:hover{color:var(--c-deep);padding-left:4px}
.panel-list a:hover::before{width:16px}
.side-cta{
  background:var(--c-ink-block);
  border-radius:var(--r-l);
  padding:24px 22px;
  color:#FFF7EC;
  position:relative;
  overflow:hidden;
}
.side-cta::after{
  content:"";
  position:absolute;
  inset:auto -30px -40px auto;
  width:140px;height:140px;
  border-radius:50%;
  background:var(--c-deep);
  opacity:.28;
  filter:blur(2px);
}
.side-cta-t{font-family:var(--f-display);font-size:19px;font-weight:700;position:relative;z-index:1}
.side-cta-d{font-size:13px;line-height:1.7;color:#E5D5C8;margin:8px 0 16px;position:relative;z-index:1}
.side-cta .btn{position:relative;z-index:1}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  text-decoration:none;
  cursor:pointer;
  border:1.5px solid transparent;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{
  background:var(--c-brand);
  color:var(--c-on-brand);
  border-radius:var(--r-pill);
  padding:13px 26px;
}
.btn-primary:hover{background:var(--c-brand-h);transform:translateY(-1px);box-shadow:var(--sh-2);color:var(--c-on-brand)}
.btn-primary:active{transform:none;box-shadow:inset 0 2px 6px rgba(0,0,0,.18)}
.btn-ghost{
  background:var(--c-paper);
  color:var(--c-ink-900);
  border:1.5px solid var(--c-ink-900);
  border-radius:var(--r-m);
  padding:12px 22px;
}
.btn-ghost:hover{background:var(--c-paper-2);border-color:var(--c-deep);color:var(--c-deep)}
.btn-ghost:active{transform:translateY(1px)}
.btn-block{width:100%}
.btn-text{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--c-deep);
  padding:6px 0;
  background:none;
  border:0;
  cursor:pointer;
}
.btn-text::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  height:2px;
  width:0;
  background:var(--c-deep);
  transition:width .24s ease;
}
.btn-text:hover::after{width:100%}
.btn-line{
  background:transparent;
  color:#FFF7EC;
  border:1px solid rgba(255,247,236,.4);
  border-radius:var(--r-m);
  padding:12px 22px;
}
.btn-line:hover{background:rgba(255,247,236,.12);border-color:rgba(255,247,236,.7);color:#FFF7EC}

/* ---------- 移动端折叠入口 ---------- */
.side-fold{
  border:1px solid var(--c-line);
  border-radius:var(--r-l);
  background:var(--c-paper-2);
  padding:6px 22px 14px;
  margin-bottom:56px;
}
.side-fold summary{
  cursor:pointer;
  list-style:none;
  font-size:15px;
  font-weight:600;
  color:var(--c-ink-900);
  padding:14px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.side-fold summary::-webkit-details-marker{display:none}
.side-fold summary::after{content:"+";font-family:var(--f-num);font-size:20px;color:var(--c-deep)}
.side-fold[open] summary::after{content:"−"}
.side-fold .fold-list a{
  display:block;
  padding:11px 0;
  font-size:14px;
  color:var(--c-ink-600);
  border-top:1px solid var(--c-line);
}
.side-fold .fold-list a:hover{color:var(--c-deep)}

/* ---------- 区块通用 ---------- */
.section{padding:var(--sp-section) 0 0}
.section-head{margin-bottom:32px}
.section-title{
  font-family:var(--f-display);
  font-size:32px;
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--c-ink-900);
  display:flex;
  align-items:center;
  gap:14px;
}
.section-title::before{
  content:"";
  width:26px;
  height:12px;
  flex:0 0 26px;
  background:
    linear-gradient(var(--c-brand),var(--c-brand)) 0 0/100% 3px no-repeat,
    linear-gradient(var(--c-deep),var(--c-deep)) 0 5px/62% 3px no-repeat,
    linear-gradient(var(--c-brand),var(--c-brand)) 0 10px/38% 3px no-repeat;
  border-radius:2px;
}
.section-desc{font-size:14px;color:var(--c-ink-600);margin-top:10px}

/* ---------- 相关推荐 ---------- */
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-l);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
  height:100%;
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#E2D2BF}
.card-media{display:block;overflow:hidden}
.card-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .4s 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-title{
  font-family:var(--f-display);
  font-size:19px;
  line-height:1.45;
  font-weight:600;
  color:var(--c-ink-900);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s ease;
}
.card:hover .card-title{color:var(--c-deep)}
.card-desc{
  font-size:14px;
  line-height:1.75;
  color:var(--c-ink-600);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--c-line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--c-ink-400);
}
.card-foot .num{font-family:var(--f-num);letter-spacing:.02em}
.card-foot .go{color:var(--c-deep);font-weight:600}

/* ---------- FAQ ---------- */
.faq-wrap{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:48px;
  align-items:start;
}
.faq-aside .section-title{font-size:32px;display:block}
.faq-aside .section-title::before{display:none}
.faq-aside h2{font-family:var(--f-display);font-size:32px;line-height:1.28;font-weight:700;letter-spacing:-.01em}
.faq-aside p{font-size:14px;color:var(--c-ink-600);margin:12px 0 18px}
.faq-list{max-width:820px;border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 0;
  background:none;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--c-ink-900);
  cursor:pointer;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-deep)}
.faq-q .ico{
  flex:0 0 20px;
  width:20px;height:20px;
  color:var(--c-deep);
  transition:transform .25s ease;
}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s ease;
}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a p{font-size:15px;line-height:1.85;color:var(--c-ink-600);margin:0 0 20px;padding-right:36px}

/* ---------- CTA 深色块 ---------- */
.cta-block{padding:var(--sp-section) 0 0}
.cta-card{
  position:relative;
  overflow:hidden;
  background:var(--c-ink-block);
  border-radius:var(--r-xl);
  padding:64px;
  color:#FFF7EC;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.cta-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:8px;
  background-image:radial-gradient(circle, rgba(255,247,236,.12) 3px, transparent 3.4px);
  background-size:20px 8px;
  background-position:0 2px;
  background-repeat:repeat-x;
}
.cta-card::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-100px;
  width:340px;height:340px;
  border-radius:50%;
  border:1px solid rgba(255,247,236,.06);
  box-shadow:0 0 0 40px rgba(255,247,236,.03),0 0 0 90px rgba(255,247,236,.02);
  pointer-events:none;
}
.cta-card h2{
  font-family:var(--f-display);
  font-size:34px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
  color:#FFF7EC;
}
.cta-card p.lede{font-size:15px;line-height:1.85;color:#E5D5C8;margin:14px 0 26px;max-width:44ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1}
.cta-points{position:relative;z-index:1;display:flex;flex-direction:column;gap:16px}
.cta-point{
  display:flex;
  gap:14px;
  padding:16px 18px;
  border:1px solid rgba(255,247,236,.14);
  border-radius:var(--r-m);
  background:rgba(255,247,236,.04);
}
.cta-point .n{
  font-family:var(--f-num);
  font-size:20px;
  font-weight:700;
  color:var(--c-brand);
  line-height:1.2;
  flex:0 0 28px;
}
.cta-point .t{font-size:14.5px;font-weight:600;color:#FFF7EC;line-height:1.5}
.cta-point .d{font-size:13px;color:#E5D5C8;line-height:1.7;margin-top:2px}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:var(--sp-section);background:#231019;color:#FFF7EC}
.site-footer .container{padding-top:64px;padding-bottom:28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{font-size:13.5px;line-height:1.8;color:rgba(255,247,236,.7);margin:14px 0 18px;max-width:32ch}
.site-footer .logo-text b{color:#FFF7EC}
.site-footer .logo-text em{color:var(--c-brand)}
.site-footer .logo-mark{color:var(--c-brand)}
.site-footer .side-logo{border:0;margin:0}
.footer-social{display:flex;gap:10px}
.footer-social a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:44px;
  height:38px;
  padding:0 14px;
  font-size:13px;
  font-weight:600;
  color:#FFF7EC;
  border:1px solid rgba(255,247,236,.22);
  border-radius:var(--r-s);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.footer-social a:hover{background:var(--c-brand);color:var(--c-on-brand);border-color:var(--c-brand)}
.footer-col h4{font-size:14px;font-weight:600;color:#E5D5C8;margin-bottom:14px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:9px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,247,236,.7);line-height:1.7;transition:color .2s ease}
.footer-col a:hover{color:var(--c-brand)}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,247,236,.14);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:rgba(255,247,236,.55);
}
.footer-bottom .note{color:rgba(255,247,236,.45)}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;bottom:24px;
  width:48px;height:48px;
  border-radius:50%;
  background:var(--c-paper);
  border:1px solid var(--c-line);
  box-shadow:var(--sh-2);
  color:var(--c-deep);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  z-index:75;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-brand-soft)}
.to-top svg{width:20px;height:20px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--side-w:84px}
  .sidebar{padding:20px 10px;align-items:center}
  .side-logo{padding:4px 0 18px;justify-content:center;width:100%}
  .logo-text{display:none}
  .side-nav{width:100%;align-items:center}
  .nav-item{justify-content:center;padding:0;width:56px;gap:0}
  .nav-item span{display:none}
  .nav-item.is-active::before{top:8px;bottom:8px}
  .side-card{display:none}
  .side-divider{width:100%}
  .side-foot{align-items:center;width:100%}
  .side-foot span:last-child{display:none}
  .btn-block{padding-left:0;padding-right:0;font-size:13px}
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:36px}
  .article-title{font-size:38px}
  .related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:1023px){
  .sidebar{
    width:min(82vw,320px);
    padding:24px 16px 20px;
    transform:translateX(-100%);
    transition:transform .28s ease;
    box-shadow:var(--sh-3);
    align-items:stretch;
  }
  .sidebar.is-open{transform:translateX(0)}
  .sidebar .side-logo{justify-content:flex-start;padding:4px 8px 20px}
  .sidebar .logo-text{display:flex}
  .sidebar .side-nav{align-items:stretch}
  .sidebar .nav-item{height:48px;justify-content:flex-start;padding:0 14px;gap:12px;width:100%}
  .sidebar .nav-item span{display:inline}
  .sidebar .side-card{display:block}
  .sidebar .side-foot{align-items:flex-start;padding-right:0}
  .sidebar .side-foot span:last-child{display:inline}
  .drawer-close{display:inline-flex}
  .main-area{margin-left:0}
  .mobile-bar{display:flex}
  .top-strip{display:none}
  .breadcrumb{padding-top:22px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .article-side{display:none}
  .article-title{font-size:34px}
  .side-fold{display:block}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .cta-card{grid-template-columns:1fr;padding:44px 32px;gap:32px}
  .cta-card h2{font-size:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section-title{font-size:27px}
  .article-content h2{font-size:26px}
  .article-content h3{font-size:19px}
}
@media (min-width:1024px){
  .side-fold{display:none}
}
@media (max-width:767px){
  :root{--sp-section:56px}
  .container{padding:0 18px}
  .top-strip{padding:0 18px}
  .article-title{font-size:30px}
  .article-meta span{padding:0 9px;font-size:12.5px}
  .related-grid{grid-template-columns:1fr}
  .card{flex-direction:row;align-items:stretch}
  .card-media{flex:0 0 116px}
  .card-media img{aspect-ratio:1/1;height:100%}
  .card-body{padding:14px 16px}
  .card-title{font-size:16px;-webkit-line-clamp:2}
  .card-desc{display:none}
  .card-foot{padding-top:10px}
  .cta-card{padding:36px 22px}
  .cta-card h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section-title{font-size:24px}
  .faq-aside h2{font-size:24px}
  .to-top{right:16px;bottom:16px}
  .article-content blockquote{padding:16px 18px}
}
@media (max-width:519px){
  .article-title{font-size:28px}
  .breadcrumb{font-size:12.5px}
  .article-cover img{aspect-ratio:4/3}
  .side-fold{padding:6px 16px 12px}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --c-brand:#F2A03C;
  --c-brand-h:#DE8620;
  --c-brand-soft:#FDF0DC;
  --c-on-brand:#2A1408;
  --c-deep:#7B1F44;
  --c-deep-2:#5E1633;
  --c-deep-soft:#F7E4EB;
  --c-paper:#FFFDF9;
  --c-paper-2:#FBF2E6;
  --c-ink-block:#231019;
  --c-ink-900:#1C1220;
  --c-ink-600:#5F5063;
  --c-ink-400:#948798;
  --c-line:#EADFD2;
  --c-ok:#2F6E62;
  --c-tip:#C8791C;
  --c-err:#A32B3E;
  --c-info:#5C5470;
  --c-inverse:#FFF7EC;
  --c-inverse-2:#E5D5C8;

  --f-display:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --f-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --f-num:"Space Grotesk","Inter","Helvetica Neue",sans-serif;

  --r-s:8px;
  --r-m:12px;
  --r-l:18px;
  --r-xl:26px;
  --r-pill:999px;

  --sh-1:0 1px 2px rgba(28,18,32,.06);
  --sh-2:0 10px 26px -10px rgba(28,18,32,.16);
  --sh-3:0 26px 56px -22px rgba(123,31,68,.24);

  --sp-xs:8px;
  --sp-sm:12px;
  --sp-md:20px;
  --sp-lg:32px;
  --sp-xl:48px;
  --sp-2xl:64px;

  --section-y:96px;
  --w-max:1200px;
  --side-w:248px;
}

/* ===== 基础重置 ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--f-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink-900);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
svg{display:block}
:focus-visible{outline:2px solid var(--c-deep);outline-offset:2px;border-radius:4px}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--c-brand);color:var(--c-on-brand);
  padding:10px 18px;border-radius:0 0 var(--r-m) 0;font-weight:600;
}
.skip-link:focus{left:0}

/* ===== 布局骨架 ===== */
.app{min-height:100vh}
.shell{
  margin-left:var(--side-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
main{flex:1}
.container{
  width:100%;
  max-width:var(--w-max);
  margin:0 auto;
  padding:0 var(--sp-lg);
}

/* ===== 左侧导航 ===== */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--side-w);
  background:var(--c-paper-2);
  border-right:1px solid var(--c-line);
  padding:0 16px var(--sp-md);
  display:flex;
  flex-direction:column;
  overflow-y:auto;
  z-index:80;
  transition:transform .28s ease;
}
.side-logo{
  display:flex;align-items:center;gap:10px;
  padding:28px 4px 22px;
  color:var(--c-deep);
}
.logo-mark{width:34px;height:34px;flex:none;color:var(--c-brand)}
.logo-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.logo-text b{font-family:var(--f-display);font-size:16px;font-weight:700;color:var(--c-ink-900)}
.logo-text em{font-style:normal;font-size:12px;color:var(--c-deep);letter-spacing:.06em}
.nav-label{
  font-size:12px;color:var(--c-ink-400);
  padding:10px 14px 6px;letter-spacing:.04em;
}
.side-nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 14px;
  border-radius:10px;
  font-size:15px;color:var(--c-ink-600);
  transition:background .2s ease,color .2s ease;
}
.nav-item svg{width:18px;height:18px;flex:none;color:var(--c-ink-400);transition:color .2s ease}
.nav-item:hover{background:var(--c-brand-soft);color:var(--c-ink-900)}
.nav-item:hover svg{color:var(--c-deep)}
.nav-item.is-active{background:var(--c-brand-soft);color:var(--c-ink-900);font-weight:700}
.nav-item.is-active svg{color:var(--c-deep)}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;
  width:3px;border-radius:3px;background:var(--c-brand);
}
.side-divider{height:1px;background:var(--c-line);margin:var(--sp-md) 0}
.side-note{
  margin-top:auto;
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-m);
  padding:16px;
}
.side-note-tag{
  display:inline-block;
  font-size:12px;font-weight:600;color:var(--c-deep-2);
  background:var(--c-deep-soft);
  border-radius:var(--r-s);
  padding:2px 8px;
  margin-bottom:8px;
}
.side-note p{font-size:13px;line-height:1.7;color:var(--c-ink-600)}
.side-cta{
  margin-top:var(--sp-sm);
  width:100%;
  min-height:44px;
  padding:0 16px;
  font-size:14px;
}
.side-foot{
  margin-top:16px;
  font-size:12px;color:var(--c-ink-400);
  text-align:center;letter-spacing:.02em;
}

/* ===== 顶部条 ===== */
.topbar{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:56px;padding:0 var(--sp-lg);
  background:rgba(255,253,249,.93);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}
.topbar-title{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-ink-600);font-weight:600}
.topbar-logo{display:none;align-items:center;gap:6px;font-family:var(--f-display);font-size:15px;font-weight:700;color:var(--c-ink-900)}
.topbar-logo span{font-family:var(--f-sans);font-size:12px;font-weight:600;color:var(--c-deep);letter-spacing:.04em}
.topbar-right{display:flex;align-items:center;gap:8px}
.menu-btn{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:var(--r-m);
  border:1px solid var(--c-line);
  background:var(--c-paper);
  color:var(--c-ink-900);
}
.menu-btn:hover{background:var(--c-brand-soft);border-color:var(--c-brand)}
.menu-btn svg{width:20px;height:20px}

/* ===== 刻度装饰 ===== */
.tick{display:inline-flex;flex-direction:column;gap:3px;align-items:flex-start;flex:none}
.tick i{display:block;height:2px;border-radius:2px;background:var(--c-brand)}
.tick i:nth-child(1){width:16px}
.tick i:nth-child(2){width:11px}
.tick i:nth-child(3){width:6px}

/* ===== 通用组件 ===== */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:var(--c-deep-soft);
  color:var(--c-deep-2);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-deep)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;
  border-radius:var(--r-pill);
  border:1.5px solid transparent;
  font-size:15px;font-weight:600;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-brand);color:var(--c-on-brand);box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-brand-h);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{box-shadow:inset 0 2px 6px rgba(0,0,0,.18)}
.btn-outline{
  background:var(--c-paper);color:var(--c-ink-900);
  border-color:var(--c-ink-900);border-radius:var(--r-m);
}
.btn-outline:hover{background:var(--c-paper-2);border-color:var(--c-deep);color:var(--c-deep-2)}
.btn-ghost{
  background:transparent;color:var(--c-inverse);
  border:1px solid rgba(255,247,236,.4);border-radius:var(--r-m);
}
.btn-ghost:hover{background:rgba(255,247,236,.1);border-color:rgba(255,247,236,.7)}
.btn-text{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-deep);
  padding:6px 0;min-height:44px;
}
.btn-text::after{
  content:"";position:absolute;left:0;bottom:4px;
  width:0;height:2px;background:var(--c-deep);
  transition:width .25s ease;
}
.btn-text:hover::after{width:100%}

/* ===== 页头 ===== */
.page-head{
  position:relative;
  background:var(--c-paper-2);
  border-bottom:1px solid var(--c-line);
  padding:44px 0 64px;
}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--c-ink-400);
}
.crumbs a{color:var(--c-ink-400);transition:color .2s ease}
.crumbs a:hover{color:var(--c-deep)}
.crumbs span[aria-current]{color:var(--c-ink-600);font-weight:600}
.page-head-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:var(--sp-xl);
  align-items:center;
  margin-top:var(--sp-md);
}
.page-head h1{
  font-family:var(--f-display);
  font-size:clamp(30px,3.6vw,48px);
  line-height:1.22;
  letter-spacing:-.01em;
  font-weight:700;
  margin:16px 0 18px;
}
.lead{
  font-size:16px;line-height:1.85;color:var(--c-ink-600);
  max-width:56ch;
}
.lead + .lead{margin-top:10px}
.page-head-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:26px}
.head-media{
  position:relative;
  border-radius:var(--r-l);
  overflow:hidden;
  box-shadow:var(--sh-3);
  aspect-ratio:4/3;
}
.head-media img{width:100%;height:100%;object-fit:cover}
.head-media::after{
  content:"";position:absolute;inset:auto 0 0 0;height:42%;
  background:linear-gradient(to top,rgba(94,22,51,.55),rgba(94,22,51,0));
}
.head-media-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,247,236,.94);
  color:var(--c-deep-2);
  font-size:12.5px;font-weight:600;
  padding:6px 12px;border-radius:var(--r-pill);
}
.film-strip{
  position:absolute;left:0;right:0;bottom:0;height:6px;
  background-image:radial-gradient(circle,rgba(123,31,68,.18) 2.2px,transparent 2.4px);
  background-size:20px 6px;
  background-repeat:repeat-x;
}

/* ===== 板块 ===== */
.section{padding:var(--section-y) 0}
.section--tight{padding:var(--sp-2xl) 0}
.section-head{margin-bottom:var(--sp-lg)}
.sec-title{
  font-family:var(--f-display);
  font-size:clamp(25px,2.8vw,34px);
  line-height:1.28;
  letter-spacing:-.01em;
  font-weight:700;
  margin:12px 0 10px;
}
.sec-sub{font-size:14px;line-height:1.75;color:var(--c-ink-600);max-width:66ch}

/* ===== 关键数据 ===== */
.stat-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--c-line);
  border:1px solid var(--c-line);
  border-radius:var(--r-l);
  overflow:hidden;
}
.stat{
  background:var(--c-paper);
  padding:22px var(--sp-md);
}
.stat b{
  display:block;
  font-family:var(--f-num);
  font-size:26px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--c-deep-2);
  line-height:1.3;
}
.stat span{
  display:block;margin-top:4px;
  font-size:12.5px;color:var(--c-ink-400);
}

/* ===== 剧集列表 ===== */
.ep-list{border-top:1px solid var(--c-line);margin-top:var(--sp-md)}
.ep-item{
  display:grid;
  grid-template-columns:120px minmax(0,1fr) 28px;
  gap:24px;
  align-items:center;
  padding:20px 10px;
  border-bottom:1px solid var(--c-line);
  border-radius:var(--r-m);
  transition:background .22s ease,box-shadow .22s ease,transform .22s ease;
}
.ep-item:hover{
  background:var(--c-paper-2);
  box-shadow:var(--sh-2);
  transform:translateY(-2px);
}
.ep-thumb{
  width:120px;height:120px;
  border-radius:var(--r-m);
  object-fit:cover;
  background:var(--c-paper-2);
}
.ep-body{min-width:0}
.ep-no{
  font-family:var(--f-num);
  font-size:13px;font-weight:600;
  letter-spacing:.02em;
  color:var(--c-deep);
}
.ep-body h3{
  font-size:19px;line-height:1.45;font-weight:600;
  margin:6px 0 6px;
  transition:color .22s ease;
}
.ep-item:hover .ep-body h3{color:var(--c-deep-2)}
.ep-body p{
  font-size:14px;line-height:1.75;color:var(--c-ink-600);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ep-arrow{
  display:flex;align-items:center;justify-content:center;
  width:28px;height:28px;
  color:var(--c-deep);opacity:.55;
  transition:opacity .22s ease,transform .22s ease;
}
.ep-arrow svg{width:18px;height:18px}
.ep-item:hover .ep-arrow{opacity:1;transform:translateX(4px)}
.ep-more{display:flex;justify-content:center;margin-top:var(--sp-lg)}

/* ===== 图文分栏 ===== */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:var(--sp-2xl);
  align-items:center;
}
.split--flip .split-media{order:-1}
.split-text h2{
  font-family:var(--f-display);
  font-size:clamp(23px,2.4vw,30px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
  margin:14px 0 14px;
}
.split-text p{font-size:16px;line-height:1.85;color:var(--c-ink-600)}
.split-text p + p{margin-top:12px}
.split-media{
  margin:0;
  border-radius:var(--r-l);
  overflow:hidden;
  box-shadow:var(--sh-2);
  background:var(--c-paper-2);
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-media figcaption{
  padding:10px 14px;
  font-size:13px;color:var(--c-ink-400);
  background:var(--c-paper-2);
}
.dot-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.dot-list li{
  position:relative;
  padding-left:18px;
  font-size:15px;line-height:1.8;color:var(--c-ink-600);
}
.dot-list li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:6px;height:6px;border-radius:50%;background:var(--c-brand);
}
.dot-list li b{color:var(--c-ink-900);font-weight:600}

/* ===== 手风琴 ===== */
.faq-wrap{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:var(--sp-xl);
  align-items:start;
}
.faq-side{position:sticky;top:96px}
.faq-side h2{
  font-family:var(--f-display);
  font-size:clamp(23px,2.4vw,30px);
  line-height:1.3;font-weight:700;margin:12px 0 12px;
}
.faq-side p{font-size:14px;line-height:1.75;color:var(--c-ink-600);margin-bottom:16px}
.faq{max-width:820px}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:first-child{border-top:1px solid var(--c-line)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:20px 0;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--c-ink-900);
  min-height:44px;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-deep)}
.faq-icon{
  position:relative;width:20px;height:20px;flex:none;
  transition:transform .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  transform:translate(-50%,-50%);
  background:var(--c-deep);
  border-radius:2px;
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .25s ease;
}
.faq-item.is-open .faq-a{max-height:460px}
.faq-a p{
  padding:0 0 20px;
  font-size:15px;line-height:1.85;color:var(--c-ink-600);
}

/* ===== 深色 CTA ===== */
.cta-block{
  position:relative;
  overflow:hidden;
  background:var(--c-ink-block);
  border-radius:var(--r-xl);
  padding:var(--sp-2xl);
  color:var(--c-inverse);
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:var(--sp-xl);
  align-items:center;
}
.cta-block::before{
  content:"";
  position:absolute;right:-60px;top:-60px;
  width:340px;height:340px;border-radius:50%;
  background-image:repeating-linear-gradient(45deg,rgba(242,160,60,.16) 0 1px,transparent 1px 12px);
  opacity:.55;pointer-events:none;
}
.cta-block::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:6px;
  background-image:radial-gradient(circle,rgba(255,247,236,.22) 2.2px,transparent 2.4px);
  background-size:20px 6px;
  background-repeat:repeat-x;
  pointer-events:none;
}
.cta-block h2{
  font-family:var(--f-display);
  font-size:clamp(24px,2.8vw,34px);
  line-height:1.3;font-weight:700;
  color:var(--c-inverse);
  margin-bottom:14px;
}
.cta-block p{font-size:15px;line-height:1.85;color:var(--c-inverse-2);max-width:50ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-list{
  position:relative;z-index:2;
  display:flex;flex-direction:column;gap:16px;
  border-left:1px solid rgba(255,247,236,.18);
  padding-left:var(--sp-md);
}
.cta-list li{
  font-size:14px;line-height:1.75;color:var(--c-inverse-2);
  padding-left:16px;position:relative;
}
.cta-list li::before{
  content:"";position:absolute;left:0;top:.7em;
  width:6px;height:6px;border-radius:50%;background:var(--c-brand);
}
.cta-list b{display:block;color:var(--c-inverse);font-size:15px;font-weight:600;margin-bottom:2px}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--c-ink-block);
  color:var(--c-inverse);
  padding:var(--sp-2xl) 0 var(--sp-lg);
  margin-top:var(--section-y);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:var(--sp-xl);
}
.footer-brand .logo-text b{color:var(--c-inverse)}
.footer-brand .logo-text em{color:var(--c-brand)}
.footer-brand .logo-mark{color:var(--c-brand)}
.footer-brand p{
  margin-top:16px;
  font-size:14px;line-height:1.8;color:var(--c-inverse-2);
  max-width:34ch;
}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:36px;padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,247,236,.28);
  font-size:13px;color:var(--c-inverse);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.footer-social a:hover{background:rgba(242,160,60,.14);border-color:var(--c-brand);color:var(--c-brand)}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--c-inverse-2);
  margin:0 0 16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:14px;line-height:1.7;color:rgba(255,247,236,.7)}
.footer-col a{color:rgba(255,247,236,.7);transition:color .2s ease}
.footer-col a:hover{color:var(--c-brand)}
.footer-bottom{
  margin-top:var(--sp-2xl);
  padding-top:var(--sp-md);
  border-top:1px solid rgba(255,247,236,.16);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,247,236,.62);
}
.footer-bottom .note{color:rgba(255,247,236,.45)}

/* ===== 返回顶部 / 遮罩 ===== */
.backdrop{
  position:fixed;inset:0;z-index:70;
  background:rgba(28,18,32,.5);
  backdrop-filter:blur(12px);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
}
.backdrop.is-open{opacity:1;visibility:visible}
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:90;
  width:48px;height:48px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--c-paper);
  border:1px solid var(--c-line);
  box-shadow:var(--sh-2);
  color:var(--c-deep);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.to-top.is-show{opacity:1;visibility:visible;transform:none}
.to-top:hover{box-shadow:var(--sh-3);color:var(--c-deep-2)}
.to-top svg{width:20px;height:20px}

/* ===== 响应式 ===== */
@media (min-width:1024px){
  .backdrop{display:none}
}
@media (max-width:1279px) and (min-width:1024px){
  :root{--side-w:84px}
  .sidebar{padding:0 12px var(--sp-md);align-items:center}
  .logo-text,.nav-item span,.nav-label,.side-note,.side-cta,.side-foot{display:none}
  .side-logo{justify-content:center;padding:22px 0}
  .nav-item{justify-content:center;padding:0;width:44px}
  .nav-item.is-active::before{left:-6px}
  .side-divider{width:100%;margin:16px 0}
  .split{gap:var(--sp-xl)}
}
@media (max-width:1023px){
  .sidebar{
    width:82vw;max-width:320px;
    transform:translateX(-100%);
    box-shadow:var(--sh-3);
    padding-top:0;
  }
  .sidebar.is-open{transform:translateX(0)}
  .shell{margin-left:0}
  .menu-btn{display:inline-flex}
  .topbar-logo{display:inline-flex}
  .topbar-title{display:none}
  .topbar{padding:0 24px}
  .nav-item{height:48px}
  .page-head-grid{grid-template-columns:1fr;gap:var(--sp-lg)}
  .head-media{aspect-ratio:16/10}
  .split{grid-template-columns:1fr;gap:var(--sp-lg)}
  .split--flip .split-media{order:0}
  .faq-wrap{grid-template-columns:1fr;gap:var(--sp-md)}
  .faq-side{position:static}
  .cta-block{grid-template-columns:1fr;gap:var(--sp-lg);padding:var(--sp-xl)}
  .cta-list{border-left:none;border-top:1px solid rgba(255,247,236,.18);padding-left:0;padding-top:var(--sp-md)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-lg)}
  .section{--section-y:72px}
}
@media (max-width:767px){
  .topbar{padding:0 18px}
  .container{padding:0 24px}
  .stat-row{grid-template-columns:1fr 1fr}
  .page-head{padding:32px 0 var(--sp-xl)}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .section{--section-y:56px}
  .site-footer{--sp-2xl:48px}
  .page-head h1{font-size:30px}
  .page-head-actions{gap:12px}
  .btn{width:100%}
  .btn-text{width:auto}
  .ep-item{
    grid-template-columns:84px minmax(0,1fr);
    gap:14px;padding:16px 4px;
  }
  .ep-thumb{width:84px;height:84px}
  .ep-body h3{font-size:17px}
  .ep-arrow{display:none}
  .cta-block{padding:var(--sp-lg)}
  .footer-grid{grid-template-columns:1fr;gap:var(--sp-md)}
  .footer-bottom{flex-direction:column}
  .to-top{right:16px;bottom:16px;width:44px;height:44px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --c-brand:#F2A03C;
  --c-brand-h:#DE8620;
  --c-brand-soft:#FDF0DC;
  --c-brand-ink:#8A4B0B;
  --c-on-brand:#2A1408;
  --c-deep:#7B1F44;
  --c-deep-2:#5E1633;
  --c-deep-soft:#F7E4EB;
  --c-paper:#FFFDF9;
  --c-paper-2:#FBF2E6;
  --c-ink-block:#231019;
  --c-ink-900:#1C1220;
  --c-ink-600:#5F5063;
  --c-ink-400:#948798;
  --c-line:#EADFD2;
  --c-ok:#2F6E62;
  --c-warn:#C8791C;
  --c-err:#A32B3E;
  --c-info:#5C5470;
  --c-dark-text:#FFF7EC;
  --c-dark-text-2:#E5D5C8;
  --f-display:"Noto Serif SC","Songti SC",serif;
  --f-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --f-num:"Space Grotesk","Inter",sans-serif;
  --r-s:8px;
  --r-m:12px;
  --r-l:18px;
  --r-xl:26px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,18,32,.06);
  --sh-2:0 10px 26px -10px rgba(28,18,32,.16);
  --sh-3:0 26px 56px -22px rgba(123,31,68,.24);
  --sp-sec:96px;
  --sidebar-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--f-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink-900);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul{padding:0}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-deep);
  outline-offset:2px;
  border-radius:6px;
}
::selection{background:var(--c-brand-soft);color:var(--c-on-brand)}

/* ---------- 侧栏导航 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--c-paper-2);
  border-right:1px solid var(--c-line);
  display:flex;
  flex-direction:column;
  padding:0 16px 20px;
  z-index:60;
  overflow-y:auto;
}
.side-logo{
  display:flex;
  align-items:center;
  gap:10px;
  padding:28px 4px 22px;
}
.logo-mark{width:30px;height:30px;color:var(--c-brand);flex:none}
.logo-text{display:flex;flex-direction:column;line-height:1.3;font-size:14px;font-weight:600}
.logo-text b{font-weight:700;letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:12px;font-weight:600;color:var(--c-deep);letter-spacing:.02em}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:4px}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  height:44px;
  padding:0 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--c-ink-900);
  transition:background .2s ease,color .2s ease;
}
.nav-item svg{width:18px;height:18px;flex:none;color:var(--c-ink-600);transition:color .2s ease}
.nav-item:hover{background:var(--c-brand-soft)}
.nav-item:hover svg{color:var(--c-deep)}
.nav-item.is-active{background:var(--c-brand-soft);font-weight:700}
.nav-item.is-active svg{color:var(--c-deep)}
.nav-item.is-active::before{
  content:"";
  position:absolute;
  left:0;top:11px;bottom:11px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--c-brand);
}
.side-divider{height:1px;background:var(--c-line);margin:20px 4px}
.side-note{
  font-size:13px;
  line-height:1.75;
  color:var(--c-ink-600);
  padding:0 4px;
}
.side-note strong{display:block;font-size:13.5px;color:var(--c-ink-900);font-weight:600;margin-bottom:4px}
.side-cta{margin-top:16px}
.side-cta .btn{width:100%}
.side-foot{
  margin-top:auto;
  padding-top:20px;
  font-size:12px;
  color:var(--c-ink-400);
  line-height:1.7;
}

/* ---------- 移动顶栏 & 抽屉 ---------- */
.topbar{
  display:none;
  position:sticky;
  top:0;
  z-index:70;
  height:56px;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:0 18px;
  background:var(--c-paper-2);
  border-bottom:1px solid var(--c-line);
}
.topbar .side-logo{padding:0}
.topbar .logo-text{font-size:13px}
.burger{
  width:44px;height:44px;
  display:grid;place-items:center;
  background:transparent;
  border:1px solid var(--c-line);
  border-radius:var(--r-m);
  cursor:pointer;
  color:var(--c-ink-900);
}
.burger:hover{background:var(--c-brand-soft);border-color:var(--c-brand)}
.burger span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.scrim{
  position:fixed;inset:0;
  background:rgba(28,18,32,.5);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  opacity:0;
  pointer-events:none;
  transition:opacity .28s ease;
  z-index:80;
}
.scrim.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;
  top:0;left:0;bottom:0;
  width:82vw;
  max-width:320px;
  background:var(--c-paper-2);
  border-right:1px solid var(--c-line);
  padding:16px;
  display:flex;
  flex-direction:column;
  gap:4px;
  overflow-y:auto;
  transform:translateX(-100%);
  transition:transform .28s ease;
  z-index:90;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px}
.drawer-close{
  width:44px;height:44px;
  display:grid;place-items:center;
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-m);
  font-size:20px;
  line-height:1;
  color:var(--c-ink-900);
  cursor:pointer;
}
.drawer-close:hover{border-color:var(--c-deep);color:var(--c-deep)}
.drawer .nav-item{height:48px}
.drawer .side-cta{margin-top:18px}

/* ---------- 外壳与容器 ---------- */
.shell{
  padding-left:var(--sidebar-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.page-main{flex:1}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 面包屑条 ---------- */
.crumb-bar{
  background:var(--c-paper);
  border-bottom:1px solid var(--c-line);
}
.crumb-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  min-height:56px;
  padding-top:10px;
  padding-bottom:10px;
  font-size:14px;
  color:var(--c-ink-400);
}
.crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;line-height:1.7}
.crumbs a{color:var(--c-ink-400);transition:color .2s}
.crumbs a:hover{color:var(--c-deep)}
.crumbs .sep{color:var(--c-ink-400);opacity:.7}
.crumbs .current{color:var(--c-ink-900);font-weight:600}
.crumb-tip{font-size:13px;color:var(--c-ink-400)}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  background:var(--c-paper-2);
  border-bottom:1px solid var(--c-line);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  right:-60px;top:-80px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(242,160,60,.20),rgba(242,160,60,0) 68%);
  pointer-events:none;
}
.page-hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.32fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
  padding:64px 0;
}
.hero-copy h1{
  font-family:var(--f-display);
  font-size:46px;
  line-height:1.22;
  font-weight:700;
  letter-spacing:-.01em;
  margin:14px 0 18px;
}
.hero-sub{
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink-600);
  max-width:520px;
}
.hero-actions{
  display:flex;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
  margin-top:28px;
}
.hero-figure{
  position:relative;
  aspect-ratio:4/3;
  border-radius:var(--r-l);
  overflow:hidden;
  box-shadow:var(--sh-3);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:58%;
  background:linear-gradient(to top,rgba(94,22,51,.62),rgba(94,22,51,0));
}
.hero-figure figcaption{
  position:absolute;
  left:18px;right:18px;bottom:14px;
  z-index:2;
  font-size:13px;
  line-height:1.6;
  color:var(--c-dark-text);
}

/* ---------- 通用组件 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:600;
  line-height:1.7;
  padding:3px 8px;
  border-radius:6px;
  background:var(--c-deep-soft);
  color:var(--c-deep);
}
.badge-brand{background:var(--c-brand-soft);color:var(--c-brand-ink)}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  border:1.5px solid transparent;
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .16s ease,box-shadow .2s ease;
}
.btn-primary{
  background:var(--c-brand);
  color:var(--c-on-brand);
  border-radius:var(--r-pill);
  padding:14px 28px;
}
.btn-primary:hover{background:var(--c-brand-h);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:none;box-shadow:inset 0 2px 6px rgba(0,0,0,.18)}
.btn-ghost{
  background:var(--c-paper);
  color:var(--c-ink-900);
  border:1.5px solid var(--c-ink-900);
  border-radius:var(--r-m);
  padding:12px 24px;
}
.btn-ghost:hover{background:var(--c-paper-2);border-color:var(--c-deep);color:var(--c-deep)}
.btn-ghost-light{
  background:transparent;
  color:var(--c-dark-text);
  border:1px solid rgba(255,247,236,.4);
  border-radius:var(--r-m);
  padding:12px 24px;
}
.btn-ghost-light:hover{border-color:var(--c-brand);color:var(--c-brand)}
.link-text{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--c-deep);
  padding-bottom:3px;
  min-height:44px;
}
.link-text::after{
  content:"";
  position:absolute;
  left:0;bottom:10px;
  height:2px;width:0;
  background:var(--c-deep);
  transition:width .24s ease;
}
.link-text:hover::after{width:100%}
.link-text svg{width:15px;height:15px;flex:none}

/* ---------- 区块 ---------- */
.section{padding:var(--sp-sec) 0}
.section + .section{border-top:1px solid var(--c-line)}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:36px;
}
.sec-title{
  display:flex;
  align-items:center;
  gap:12px;
  font-family:var(--f-display);
  font-size:34px;
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.01em;
}
.tick-marks{display:inline-flex;flex-direction:column;gap:3px;flex:none}
.tick-marks i{display:block;height:3px;border-radius:2px;background:var(--c-brand)}
.tick-marks i:nth-child(1){width:18px}
.tick-marks i:nth-child(2){width:12px}
.tick-marks i:nth-child(3){width:7px}
.sec-desc{
  font-size:14px;
  line-height:1.75;
  color:var(--c-ink-600);
  margin-top:10px;
  max-width:600px;
}

/* ---------- 1 大 2 小 卡片组 ---------- */
.feature-grid{
  display:grid;
  grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);
  gap:24px;
  align-items:stretch;
}
.big-card{
  display:flex;
  flex-direction:column;
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-l);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.big-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-brand)}
.big-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-paper-2)}
.big-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.big-card:hover .thumb img{transform:scale(1.03)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:22px;line-height:1.45;font-weight:600}
.big-card:hover .card-body h3{color:var(--c-deep)}
.card-body p{font-size:14px;line-height:1.8;color:var(--c-ink-600)}
.card-meta{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin-top:auto;
  padding-top:8px;
  font-size:13px;
  color:var(--c-ink-400);
  font-family:var(--f-num);
  letter-spacing:.02em;
}
.card-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-line)}
.mini-stack{display:flex;flex-direction:column;gap:24px}
.mini-card{
  display:grid;
  grid-template-columns:96px minmax(0,1fr);
  gap:16px;
  align-items:center;
  padding:16px;
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
  flex:1;
}
.mini-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-brand)}
.mini-thumb{
  width:96px;height:96px;
  border-radius:var(--r-m);
  overflow:hidden;
  background:var(--c-paper-2);
  flex:none;
}
.mini-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.mini-card:hover .mini-thumb img{transform:scale(1.05)}
.mini-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.mini-body h3{font-size:17px;line-height:1.5;font-weight:600}
.mini-card:hover .mini-body h3{color:var(--c-deep)}
.mini-body p{font-size:13px;line-height:1.7;color:var(--c-ink-600)}

/* ---------- 长文解读区 ---------- */
.read-wrap{
  max-width:760px;
  border-left:3px solid var(--c-brand);
  padding-left:28px;
}
.read-wrap h2{
  font-family:var(--f-display);
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  margin-bottom:22px;
  letter-spacing:-.01em;
}
.read-wrap h3{
  font-size:21px;
  line-height:1.45;
  font-weight:600;
  margin:36px 0 14px;
}
.read-wrap p{
  font-size:16px;
  line-height:1.9;
  color:var(--c-ink-900);
  margin-bottom:20px;
}
.read-wrap p:last-child{margin-bottom:0}
.read-wrap blockquote{
  margin:28px 0;
  background:var(--c-paper-2);
  border-left:3px solid var(--c-deep);
  border-radius:0 var(--r-m) var(--r-m) 0;
  padding:20px 24px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-600);
}
.read-wrap ul{
  list-style:none;
  margin:0 0 22px;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.read-wrap li{
  position:relative;
  padding-left:18px;
  font-size:16px;
  line-height:1.85;
}
.read-wrap li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--c-brand);
}

/* ---------- 分集看点折叠 ---------- */
.ep-list{max-width:820px}
.ep-item{border-bottom:1px solid var(--c-line)}
.ep-item:first-child{border-top:1px solid var(--c-line)}
.ep-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:16px;
  padding:20px 0;
  min-height:56px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--c-ink-900);
  cursor:pointer;
  transition:color .2s ease;
}
.ep-q:hover{color:var(--c-deep)}
.ep-num{
  font-family:var(--f-num);
  font-size:15px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--c-brand-h);
  min-width:52px;
  flex:none;
}
.ep-icon{
  position:relative;
  margin-left:auto;
  width:20px;height:20px;
  flex:none;
  transition:transform .25s ease;
}
.ep-icon::before,.ep-icon::after{
  content:"";
  position:absolute;
  background:var(--c-deep);
  border-radius:2px;
}
.ep-icon::before{left:0;top:9px;width:20px;height:2px}
.ep-icon::after{left:9px;top:0;width:2px;height:20px;transition:opacity .25s ease}
.ep-item.is-open .ep-icon{transform:rotate(45deg)}
.ep-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.ep-a-inner{
  padding:0 44px 22px 68px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-600);
}

/* ---------- 深色 CTA ---------- */
.cta-block{
  position:relative;
  background:var(--c-ink-block);
  border-radius:var(--r-xl);
  padding:64px;
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
  overflow:hidden;
  color:var(--c-dark-text);
}
.cta-block::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,247,236,.055) 0 1px,transparent 1px 16px);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{
  font-family:var(--f-display);
  font-size:34px;
  line-height:1.28;
  font-weight:700;
  color:var(--c-dark-text);
  margin-bottom:16px;
  letter-spacing:-.01em;
}
.cta-copy p{
  font-size:15px;
  line-height:1.85;
  color:var(--c-dark-text-2);
  max-width:520px;
}
.cta-actions{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  margin-top:28px;
}
.cta-points{
  position:relative;
  z-index:2;
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:14px;
  padding-left:0;
}
.cta-points li{
  display:flex;
  gap:12px;
  font-size:14px;
  line-height:1.8;
  color:var(--c-dark-text-2);
}
.cta-points li::before{
  content:"";
  flex:none;
  width:8px;height:8px;
  margin-top:9px;
  border-radius:2px;
  background:var(--c-brand);
}
.cta-points b{color:var(--c-dark-text);font-weight:600}
.sprocket{
  position:absolute;
  left:0;right:0;
  height:6px;
  background-image:radial-gradient(circle,rgba(255,247,236,.20) 2.4px,transparent 2.8px);
  background-size:20px 6px;
  background-repeat:repeat-x;
  pointer-events:none;
  z-index:1;
}
.sprocket--top{top:0}
.sprocket--bottom{bottom:0}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-ink-block);
  color:var(--c-dark-text-2);
  margin-top:0;
}
.footer-inner{padding-top:64px;padding-bottom:28px}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.25fr;
  gap:40px;
}
.site-footer .logo-text{color:var(--c-dark-text)}
.site-footer .logo-text em{color:var(--c-brand)}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,247,236,.72);
  margin:16px 0 20px;
  max-width:320px;
}
.footer-social{display:flex;gap:10px;flex-wrap:wrap}
.footer-social a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:36px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,247,236,.28);
  font-size:13px;
  color:var(--c-dark-text);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.footer-social a:hover{border-color:var(--c-brand);color:var(--c-brand);background:rgba(242,160,60,.08)}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--c-dark-text-2);
  margin-bottom:14px;
}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{
  font-size:14px;
  line-height:1.7;
  color:rgba(255,247,236,.7);
  transition:color .2s ease;
}
.footer-col a:hover{color:var(--c-brand)}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid rgba(255,247,236,.14);
  font-size:13px;
  color:rgba(255,247,236,.55);
}
.footer-bottom .note{max-width:520px;line-height:1.7}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;bottom:24px;
  width:48px;height:48px;
  display:grid;place-items:center;
  border-radius:50%;
  background:var(--c-paper);
  border:1px solid var(--c-line);
  box-shadow:var(--sh-2);
  color:var(--c-deep);
  cursor:pointer;
  opacity:0;
  pointer-events:none;
  transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,background .2s ease;
  z-index:50;
}
.to-top.is-visible{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{background:var(--c-brand-soft)}
.to-top svg{width:20px;height:20px}

/* ---------- 断点 ---------- */
@media (max-width:1279px){
  :root{--sidebar-w:84px;--sp-sec:72px}
  .sidebar{width:84px;padding:0 10px 20px;align-items:center}
  .sidebar .logo-text{display:none}
  .side-nav{width:100%;align-items:center}
  .side-nav .nav-item{width:52px;height:52px;justify-content:center;padding:0}
  .side-nav .nav-item span{display:none}
  .side-note,.side-foot{display:none}
  .side-divider{width:44px;margin:16px 0}
  .side-cta .btn{width:52px;height:52px;padding:0;border-radius:14px;font-size:0;gap:0}
  .side-cta .btn::before{content:"开";font-size:14px;font-weight:700}
  .page-hero-inner{gap:32px}
  .hero-copy h1{font-size:38px}
  .feature-grid{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr)}
  .cta-block{padding:48px;gap:32px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:span 3}
}
@media (max-width:1023px){
  :root{--sp-sec:72px}
  .sidebar{display:none}
  .topbar{display:flex}
  .shell{padding-left:0}
  .container{padding:0 24px}
  .page-hero-inner{grid-template-columns:minmax(0,1fr);gap:32px;padding:48px 0}
  .hero-figure{aspect-ratio:16/10}
  .feature-grid{grid-template-columns:minmax(0,1fr)}
  .mini-card{flex:initial}
  .cta-block{grid-template-columns:minmax(0,1fr);padding:40px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:span 2}
  .footer-brand{grid-column:span 2}
  .read-wrap{padding-left:22px}
}
@media (max-width:640px){
  :root{--sp-sec:56px}
  .container{padding:0 18px}
  .hero-copy h1{font-size:31px;line-height:1.28}
  .hero-sub{font-size:16px}
  .hero-actions{gap:12px;margin-top:22px}
  .hero-actions .btn{width:100%}
  .sec-title{font-size:25px}
  .sec-head{margin-bottom:24px}
  .big-card .thumb{aspect-ratio:16/9}
  .card-body{padding:20px}
  .card-body h3{font-size:19px}
  .mini-card{grid-template-columns:72px minmax(0,1fr);gap:14px;padding:14px}
  .mini-thumb{width:72px;height:72px}
  .mini-body h3{font-size:16px}
  .mini-body p{display:none}
  .read-wrap{padding-left:18px}
  .read-wrap h2{font-size:25px}
  .read-wrap h3{font-size:19px}
  .ep-q{padding:16px 0;font-size:15px;gap:12px}
  .ep-num{min-width:44px;font-size:14px}
  .ep-a-inner{padding:0 0 18px 56px;font-size:14.5px}
  .cta-block{padding:32px 22px;border-radius:var(--r-l)}
  .cta-copy h2{font-size:26px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-brand,.footer-col:last-child{grid-column:span 1}
  .footer-inner{padding-top:48px}
  .footer-bottom{margin-top:32px;flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:16px}
}

/* roulang page: category3 */
:root{
  --c-brand:#F2A03C;
  --c-brand-h:#DE8620;
  --c-brand-soft:#FDF0DC;
  --c-on-brand:#2A1408;
  --c-deep:#7B1F44;
  --c-deep-2:#5E1633;
  --c-deep-soft:#F7E4EB;
  --c-paper:#FFFDF9;
  --c-paper-2:#FBF2E6;
  --c-ink-block:#231019;
  --c-ink-900:#1C1220;
  --c-ink-600:#5F5063;
  --c-ink-400:#948798;
  --c-line:#EADFD2;
  --c-ok:#2F6E62;
  --c-warn:#C8791C;
  --c-err:#A32B3E;
  --c-info:#5C5470;
  --c-on-dark:#FFF7EC;
  --c-on-dark-2:#E5D5C8;
  --f-display:"Noto Serif SC","Songti SC",serif;
  --f-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --f-num:"Space Grotesk","Inter",sans-serif;
  --r-s:8px;
  --r-m:12px;
  --r-l:18px;
  --r-xl:26px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(28,18,32,.06);
  --sh-2:0 10px 26px -10px rgba(28,18,32,.16);
  --sh-3:0 26px 56px -22px rgba(123,31,68,.24);
  --nav-w:248px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-ink-900);
  font-family:var(--f-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--c-deep);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 侧栏导航 ---------- */
.app-side{
  position:fixed;
  top:0;bottom:0;left:0;
  width:var(--nav-w);
  background:var(--c-paper-2);
  border-right:1px solid var(--c-line);
  display:flex;
  flex-direction:column;
  padding:28px 18px 20px;
  overflow-y:auto;
  z-index:70;
}
.side-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding-bottom:20px;
  border-bottom:1px solid var(--c-line);
}
.side-logo{display:flex;align-items:center;gap:10px;min-height:44px}
.logo-mark{width:34px;height:34px;flex:0 0 34px;color:var(--c-brand)}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text b{font-family:var(--f-display);font-size:17px;font-weight:700}
.logo-text em{font-style:normal;font-size:12.5px;font-weight:600;color:var(--c-deep);letter-spacing:.02em}
.side-close{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:transparent;
  border:1px solid var(--c-line);
  border-radius:var(--r-m);
  color:var(--c-ink-600);
  cursor:pointer;
}
.side-close:hover{border-color:var(--c-deep);color:var(--c-deep)}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:18px;flex:1}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--c-ink-600);
  transition:background .2s ease,color .2s ease;
}
.nav-item svg{width:18px;height:18px;flex:0 0 18px;color:var(--c-ink-400);transition:color .2s ease}
.nav-item:hover{background:var(--c-brand-soft);color:var(--c-ink-900)}
.nav-item:hover svg{color:var(--c-deep)}
.nav-item.is-active{background:var(--c-brand-soft);color:var(--c-ink-900);font-weight:600}
.nav-item.is-active svg{color:var(--c-deep)}
.nav-item.is-active::before{
  content:"";
  position:absolute;left:0;top:11px;bottom:11px;width:3px;
  border-radius:2px;background:var(--c-brand);
}
.side-foot{
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid var(--c-line);
  display:flex;
  flex-direction:column;
  gap:10px;
}
.side-note{font-size:12.5px;color:var(--c-ink-400);line-height:1.6}
.side-ver{font-size:12px;color:var(--c-ink-400)}
.scrim{
  position:fixed;inset:0;
  background:rgba(28,18,32,.5);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  opacity:0;pointer-events:none;
  transition:opacity .28s ease;
  z-index:60;
}
.scrim.is-open{opacity:1;pointer-events:auto}

/* ---------- 移动顶栏 ---------- */
.mobile-bar{display:none}
.mobile-bar .logo-text b{font-size:16px}

/* ---------- 吸顶细条 ---------- */
.top-strip{
  position:fixed;
  top:0;left:var(--nav-w);right:0;
  height:44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:0 32px;
  background:rgba(255,253,249,.94);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
  transform:translateY(-100%);
  transition:transform .26s ease;
  z-index:40;
}
.top-strip.is-on{transform:none}
.top-strip-title{font-size:13px;color:var(--c-ink-600);font-weight:600}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 26px;
  border-radius:var(--r-pill);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--c-brand);color:var(--c-on-brand)}
.btn-primary:hover{background:var(--c-brand-h);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:none;box-shadow:inset 0 2px 6px rgba(0,0,0,.18)}
.btn-primary:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn-ghost{
  background:var(--c-paper);
  border-color:var(--c-ink-900);
  border-radius:var(--r-m);
  color:var(--c-ink-900);
}
.btn-ghost:hover{background:var(--c-paper-2);border-color:var(--c-deep);color:var(--c-deep)}
.btn-ghost:active{box-shadow:inset 0 2px 6px rgba(28,18,32,.12)}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:44px;
  padding:0;
  background:none;
  border:0;
  color:var(--c-deep);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  position:relative;
}
.btn-text::after{
  content:"";
  position:absolute;
  left:0;bottom:9px;
  height:2px;width:0;
  background:var(--c-deep);
  transition:width .22s ease;
}
.btn-text:hover::after{width:100%}
.btn-block{width:100%}

/* ---------- 主内容区 ---------- */
.main-shell{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column}
main{flex:1}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;
  background:var(--c-paper-2);
  border-bottom:1px solid var(--c-line);
  padding:44px 0 64px;
  overflow:hidden;
}
.page-head-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;
  align-items:center;
}
.crumbs{font-size:14px;color:var(--c-ink-400);margin-bottom:22px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumbs a{color:var(--c-ink-400);transition:color .2s ease}
.crumbs a:hover{color:var(--c-deep)}
.crumbs .sep{color:var(--c-ink-400);opacity:.7}
.crumbs .current{color:var(--c-ink-600);max-width:24ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 14px;
  border-radius:var(--r-pill);
  background:var(--c-brand-soft);
  color:var(--c-on-brand);
  font-size:12.5px;
  font-weight:600;
  margin-bottom:16px;
}
.eyebrow .dot-live{width:6px;height:6px;border-radius:50%;background:var(--c-deep)}
h1.page-title{
  font-family:var(--f-display);
  font-size:46px;
  line-height:1.22;
  font-weight:700;
  margin-bottom:18px;
}
.page-lead{font-size:16px;color:var(--c-ink-600);max-width:560px;margin-bottom:8px}
.page-head-cta{margin-top:18px;display:flex;flex-wrap:wrap;gap:20px;align-items:center}
.head-img{
  position:relative;
  border-radius:var(--r-l);
  overflow:hidden;
  aspect-ratio:4/3;
  box-shadow:var(--sh-3);
  background:var(--c-deep-soft);
}
.head-img img{width:100%;height:100%;object-fit:cover}
.head-img::after{
  content:"";
  position:absolute;inset:auto 0 0 0;height:42%;
  background:linear-gradient(to top,rgba(94,22,51,.55),rgba(94,22,51,0));
}
.head-img figcaption{
  position:absolute;left:18px;bottom:16px;
  color:var(--c-on-dark);
  font-size:12.5px;
  z-index:2;
}
.perf{
  height:6px;
  margin-top:40px;
  background-image:radial-gradient(circle at 10px 3px,rgba(35,16,25,.16) 2px,transparent 2.4px);
  background-size:20px 6px;
  background-repeat:repeat-x;
}

/* ---------- 数据条 ---------- */
.stat-strip{
  background:var(--c-paper);
  border-bottom:1px solid var(--c-line);
  padding:26px 0;
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-item{padding:0 22px;border-left:1px solid var(--c-line)}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{
  display:block;
  font-family:var(--f-num);
  font-size:22px;
  font-weight:700;
  line-height:1.3;
  color:var(--c-deep-2);
  letter-spacing:.02em;
}
.stat-label{display:block;font-size:12.5px;color:var(--c-ink-400);line-height:1.6;margin-top:2px}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0}
.section-line{border-top:1px solid var(--c-line)}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.sec-title{
  font-family:var(--f-display);
  font-size:34px;
  line-height:1.28;
  font-weight:700;
  display:flex;
  align-items:center;
  gap:12px;
}
.tick{display:inline-flex;flex-direction:column;gap:4px;flex:0 0 auto}
.tick i{display:block;height:3px;border-radius:2px;background:var(--c-brand)}
.tick i:nth-child(1){width:22px}
.tick i:nth-child(2){width:14px;opacity:.7}
.tick i:nth-child(3){width:8px;opacity:.45}
.sec-sub{font-size:14px;color:var(--c-ink-600);margin-top:10px;max-width:620px}

/* ---------- 流程阶梯 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-bottom:56px}
.flow-step{
  background:var(--c-paper);
  border-radius:var(--r-l);
  padding:28px 24px 22px;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
  display:flex;
  flex-direction:column;
}
.flow-step:nth-child(1){margin-top:0}
.flow-step:nth-child(2){margin-top:20px}
.flow-step:nth-child(3){margin-top:40px}
.flow-step:nth-child(4){margin-top:20px}
.flow-step:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.flow-num{
  font-family:var(--f-num);
  font-size:40px;
  font-weight:700;
  line-height:1;
  color:rgba(242,160,60,.28);
  letter-spacing:.02em;
  margin-bottom:12px;
}
.flow-step h3{font-size:19px;font-weight:600;margin-bottom:8px}
.flow-step p{font-size:14.5px;color:var(--c-ink-600);flex:1}

/* ---------- 两栏信息卡 ---------- */
.info-duo{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.info-card{
  background:var(--c-paper-2);
  border-radius:var(--r-l);
  padding:34px 32px;
}
.info-card h3{
  font-family:var(--f-display);
  font-size:24px;
  font-weight:700;
  margin-bottom:6px;
}
.info-card .info-kicker{
  font-size:13px;
  color:var(--c-deep);
  font-weight:600;
  margin-bottom:18px;
  display:block;
}
.info-list li{
  display:flex;
  gap:12px;
  padding:14px 0;
  border-bottom:1px dashed var(--c-line);
  font-size:15px;
  color:var(--c-ink-600);
}
.info-list li:last-child{border-bottom:0;padding-bottom:0}
.info-list b{display:block;color:var(--c-ink-900);font-weight:600;font-size:15.5px;margin-bottom:2px}
.dot{width:8px;height:8px;border-radius:3px;background:var(--c-brand);flex:0 0 8px;margin-top:9px}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-l);
  box-shadow:var(--sh-2);
}
.split-body h2{
  font-family:var(--f-display);
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  margin-bottom:14px;
}
.split-body p{font-size:15.5px;color:var(--c-ink-600)}
.plain-list{margin:20px 0 22px}
.plain-list li{
  position:relative;
  padding-left:18px;
  margin-bottom:10px;
  font-size:15px;
  color:var(--c-ink-600);
}
.plain-list li::before{
  content:"";
  position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:50%;
  background:var(--c-brand);
}
.plain-list strong{color:var(--c-ink-900);font-weight:600}

/* ---------- 表单区 ---------- */
.apply-grid{
  display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:56px;
  align-items:start;
}
.apply-intro h2{
  font-family:var(--f-display);
  font-size:34px;
  line-height:1.28;
  font-weight:700;
  margin-bottom:16px;
}
.apply-intro p{font-size:15.5px;color:var(--c-ink-600)}
.form-card{
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-l);
  padding:34px 32px;
  box-shadow:var(--sh-2);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--c-ink-900);
  margin-bottom:6px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  min-height:46px;
  padding:10px 14px;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:var(--c-paper);
  color:var(--c-ink-900);
  font-family:inherit;
  font-size:15px;
  line-height:1.6;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:92px;resize:vertical}
.field input::placeholder,
.field textarea::placeholder{color:var(--c-ink-400);font-size:14px}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--c-brand);
  box-shadow:0 0 0 3px rgba(242,160,60,.22);
}
.field input:user-invalid,
.field textarea:user-invalid{border-color:var(--c-err)}
.form-note{font-size:12.5px;color:var(--c-ink-400);margin-top:12px;line-height:1.7}
.form-msg{margin-top:12px;font-size:13.5px;min-height:20px}
.form-msg.is-ok{color:var(--c-ok);font-weight:600}
.form-msg.is-err{color:var(--c-err);font-weight:600}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:56px;align-items:start}
.faq-aside{position:sticky;top:96px}
.faq-aside h2{
  font-family:var(--f-display);
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  margin-bottom:12px;
}
.faq-aside p{font-size:14.5px;color:var(--c-ink-600);margin-bottom:14px}
.faq-list{max-width:820px;border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 0;
  min-height:44px;
  background:none;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--c-ink-900);
  cursor:pointer;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-deep)}
.faq-icon{
  position:relative;
  width:20px;height:20px;
  flex:0 0 20px;
  color:var(--c-deep);
  transition:transform .25s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:currentColor;
  border-radius:2px;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s ease;
}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a p{
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-600);
  padding:0 0 20px;
}

/* ---------- 深色 CTA ---------- */
.cta-section{padding:0 0 96px}
.cta-dark{
  position:relative;
  overflow:hidden;
  background:var(--c-ink-block);
  border-radius:var(--r-xl);
  padding:64px;
  color:var(--c-on-dark);
}
.cta-dark::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(circle at 82% 18%,rgba(255,247,236,.10) 0 2px,transparent 2.4px),
    repeating-linear-gradient(115deg,rgba(255,247,236,.06) 0 1px,transparent 1px 34px);
  opacity:.55;
  pointer-events:none;
}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center}
.cta-dark h2{
  font-family:var(--f-display);
  font-size:34px;
  line-height:1.3;
  font-weight:700;
  color:var(--c-on-dark);
  margin-bottom:14px;
}
.cta-dark p{color:var(--c-on-dark-2);font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:26px}
.cta-dark .btn-ghost{
  background:transparent;
  border-color:rgba(255,247,236,.4);
  color:var(--c-on-dark);
}
.cta-dark .btn-ghost:hover{background:rgba(255,247,236,.1);border-color:var(--c-on-dark);color:var(--c-on-dark)}
.cta-points li{
  display:flex;
  gap:12px;
  padding:14px 0;
  border-bottom:1px solid rgba(255,247,236,.16);
  font-size:14.5px;
  color:var(--c-on-dark-2);
}
.cta-points li:last-child{border-bottom:0}
.cta-points b{display:block;color:var(--c-on-dark);font-weight:600;margin-bottom:2px}
.cta-points .dot{background:var(--c-brand)}
.cta-perf{
  height:6px;
  margin-top:34px;
  position:relative;z-index:1;
  background-image:radial-gradient(circle at 10px 3px,rgba(255,247,236,.14) 2px,transparent 2.4px);
  background-size:20px 6px;
  background-repeat:repeat-x;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-ink-block);
  color:var(--c-on-dark);
  padding:72px 0 0;
  margin-top:auto;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .side-logo{margin-bottom:14px}
.footer-brand .logo-mark{color:var(--c-brand)}
.footer-brand p{font-size:14px;color:rgba(255,247,236,.7);max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 18px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,247,236,.3);
  font-size:13.5px;
  color:var(--c-on-dark);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.footer-social a:hover{border-color:var(--c-brand);color:var(--c-brand)}
.footer-col h4{font-size:14px;font-weight:600;color:var(--c-on-dark-2);margin-bottom:14px}
.footer-col li{margin-bottom:8px}
.footer-col a,
.footer-col span{
  font-size:14px;
  color:rgba(255,247,236,.7);
  transition:color .2s ease;
}
.footer-col a:hover{color:var(--c-brand)}
.footer-bottom{
  margin-top:48px;
  padding:20px 0;
  border-top:1px solid rgba(255,247,236,.14);
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:rgba(255,247,236,.55);
}
.footer-bottom .note{max-width:520px}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;bottom:24px;
  width:48px;height:48px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--c-line);
  border-radius:50%;
  background:var(--c-paper);
  color:var(--c-deep);
  box-shadow:var(--sh-2);
  cursor:pointer;
  opacity:0;
  pointer-events:none;
  transform:translateY(8px);
  transition:opacity .24s ease,transform .24s ease;
  z-index:45;
}
.to-top.is-on{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{background:var(--c-brand-soft)}

/* ---------- 断点：中等桌面 ---------- */
@media (min-width:1024px) and (max-width:1279px){
  :root{--nav-w:84px}
  .app-side{padding:24px 10px 18px;align-items:center}
  .side-top{padding-bottom:16px;width:100%;justify-content:center}
  .side-logo{justify-content:center}
  .side-logo .logo-text{display:none}
  .side-nav{width:100%;align-items:center}
  .nav-item{width:44px;padding:0;justify-content:center}
  .nav-item span{display:none}
  .nav-item.is-active::before{left:-6px}
  .side-foot{align-items:center;width:100%}
  .side-foot .btn-primary{width:44px;height:44px;min-height:44px;padding:0;font-size:0;border-radius:50%}
  .side-foot .btn-primary::after{content:"→";font-size:18px}
  .side-note,.side-ver{display:none}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow-step:nth-child(2),
  .flow-step:nth-child(3),
  .flow-step:nth-child(4){margin-top:0}
  .footer-grid{grid-template-columns:1fr 1fr}
}

/* ---------- 断点：平板 ---------- */
@media (max-width:1023px){
  .app-side{
    transform:translateX(-100%);
    transition:transform .28s ease;
    width:82vw;
    max-width:320px;
    box-shadow:var(--sh-3);
    padding:24px 18px 20px;
  }
  .app-side.is-open{transform:none}
  .side-close{display:flex}
  .nav-item{height:48px}
  .mobile-bar{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    height:56px;
    padding:0 24px;
    position:sticky;
    top:0;
    z-index:50;
    background:var(--c-paper);
    border-bottom:1px solid var(--c-line);
  }
  .burger{
    width:44px;height:44px;
    display:flex;
    align-items:center;
    justify-content:center;
    background:var(--c-paper-2);
    border:1px solid var(--c-line);
    border-radius:var(--r-m);
    color:var(--c-ink-900);
    cursor:pointer;
  }
  .burger:hover{border-color:var(--c-deep);color:var(--c-deep)}
  .main-shell{margin-left:0}
  .top-strip{left:0;top:56px;padding:0 24px}
  .container{padding:0 24px}
  .section{padding:72px 0}
  .page-head{padding:32px 0 52px}
  .page-head-grid{grid-template-columns:1fr;gap:32px}
  h1.page-title{font-size:34px}
  .sec-title{font-size:28px}
  .flow{grid-template-columns:1fr;padding-bottom:0;gap:14px}
  .flow-step{margin-top:0!important;border-left:3px solid var(--c-brand-soft);border-radius:var(--r-m)}
  .flow-num{font-size:32px;margin-bottom:6px}
  .info-duo{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:32px}
  .apply-grid{grid-template-columns:1fr;gap:32px}
  .faq-grid{grid-template-columns:1fr;gap:24px}
  .faq-aside{position:static}
  .cta-dark{padding:44px 32px}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .stat-grid{grid-template-columns:1fr 1fr;row-gap:20px}
  .stat-item{padding:0 18px}
  .stat-item:nth-child(odd){border-left:0;padding-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .site-footer{padding:56px 0 0}
}

/* ---------- 断点：手机 ---------- */
@media (max-width:640px){
  .container{padding:0 18px}
  .mobile-bar{padding:0 18px}
  .top-strip{padding:0 18px}
  .section{padding:56px 0}
  .page-head{padding:26px 0 44px}
  h1.page-title{font-size:30px}
  .sec-title{font-size:25px}
  .split-body h2,
  .apply-intro h2,
  .faq-aside h2,
  .cta-dark h2{font-size:24px}
  .info-card{padding:26px 22px}
  .form-card{padding:26px 20px}
  .form-row{grid-template-columns:1fr;gap:0}
  .stat-grid{grid-template-columns:1fr}
  .stat-item{border-left:0;padding:12px 0;border-top:1px dashed var(--c-line)}
  .stat-item:first-child{border-top:0;padding-top:0}
  .cta-dark{padding:36px 22px;border-radius:var(--r-l)}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .to-top{right:16px;bottom:16px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .page-head-cta .btn-text{align-self:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}