/* roulang page: index */
:root{
  --ink-900:#0F1417;
  --ink-700:#1C2429;
  --brand:#0E9F7E;
  --brand-dark:#0B8568;
  --brand-soft:rgba(14,159,126,.08);
  --paper:#F6F2EA;
  --card:#FFFFFF;
  --line:#E6DFD2;
  --text:#151A1D;
  --text-2:#5A6569;
  --text-3:#8C9598;
  --lime:#D6F45B;
  --coral:#FF6A45;
  --coral-dark:#E85B37;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:22px;
  --shadow-1:0 1px 2px rgba(15,20,23,.06);
  --shadow-2:0 12px 28px -12px rgba(15,20,23,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-w:240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body.page-body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

/* ---------- shell ---------- */
.shell{display:flex;min-height:100vh;}
.main-area{margin-left:var(--nav-w);flex:1;min-width:0;background:var(--paper);}
.container{max-width:1320px;margin:0 auto;padding:0 40px;}
.section{padding:72px 0;}
.section--tight{padding:56px 0;}

/* ---------- sidebar ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--paper);border-right:1px solid var(--line);
  padding:20px 16px;display:flex;flex-direction:column;gap:6px;
  overflow-y:auto;z-index:80;
}
.brand{display:flex;align-items:center;gap:10px;padding:8px 8px 18px;color:var(--ink-900);}
.brand:hover{color:var(--ink-900);}
.brand .logo-mark{color:var(--brand);flex:none;}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;line-height:1.25;}
.nav-label{font-size:11px;letter-spacing:.12em;color:var(--text-3);padding:8px 10px 4px;text-transform:uppercase;}
.nav-list{display:flex;flex-direction:column;gap:4px;}
.nav-item{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;
  border-radius:12px;color:var(--text);font-size:14.5px;font-weight:500;
  position:relative;transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-item svg{flex:none;color:var(--text-2);transition:color .2s var(--ease);}
.nav-item:hover{background:var(--brand-soft);color:var(--text);}
.nav-item:hover svg{color:var(--brand);}
.nav-item:hover::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;background:var(--brand);}
.nav-item.is-active{background:var(--card);border:1px solid var(--line);font-weight:700;box-shadow:var(--shadow-1);}
.nav-item.is-active svg{color:var(--brand);}
.nav-item.is-active::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;background:var(--brand);}
.nav-divider{height:1px;margin:14px 10px;border-top:1px dashed var(--line);}
.side-card{
  margin-top:auto;background:var(--card);border:1px solid var(--line);
  border-radius:16px;padding:12px;box-shadow:var(--shadow-1);
}
.side-card__thumb{aspect-ratio:9/16;border-radius:12px;overflow:hidden;background:var(--ink-700);position:relative;}
.side-card__thumb img{width:100%;height:100%;object-fit:cover;}
.side-card__thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(15,20,23,.6),rgba(15,20,23,0) 65%);}
.side-card__text{font-size:12.5px;line-height:1.6;color:var(--text-2);margin:10px 0 8px;}
.side-card__link{font-size:13px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:4px;}

/* ---------- mobile bar / drawer ---------- */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:70;height:56px;
  align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px;background:var(--paper);border-bottom:1px solid var(--line);
}
.mobile-bar .brand{padding:0;gap:8px;}
.mobile-bar .brand-name{font-size:16px;}
.hamburger{
  width:40px;height:40px;display:grid;place-items:center;border-radius:12px;
  background:var(--card);border:1px solid var(--line);cursor:pointer;color:var(--ink-900);
}
.drawer-overlay{
  position:fixed;inset:0;background:rgba(15,20,23,.5);z-index:75;
  opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease);
}
.drawer-overlay.is-open{opacity:1;visibility:visible;}
.nav-close{display:none;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-sm);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px -10px rgba(255,106,69,.9);}
.btn-primary:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -12px rgba(255,106,69,.95);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--text);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-lg{height:52px;padding:0 26px;font-size:16px;}

/* ---------- hero ---------- */
.hero{padding:56px 0 68px;background:var(--paper);}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;border-radius:999px;
  background:var(--lime);color:var(--ink-900);font-size:12px;font-weight:700;letter-spacing:.04em;
}
.hero-title{
  font-size:48px;line-height:1.15;font-weight:800;letter-spacing:-.02em;color:var(--ink-900);
  margin:20px 0 16px;max-width:15em;
}
.hero-sub{font-size:17px;line-height:1.8;color:var(--text-2);max-width:32em;}
.hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap;}
.stats{
  display:flex;gap:40px;margin-top:34px;padding-top:20px;border-top:1px dashed var(--line);flex-wrap:wrap;
}
.stat-num{font-size:32px;font-weight:700;line-height:1.1;color:var(--ink-900);font-variant-numeric:tabular-nums;}
.stat-label{font-size:12px;color:var(--text-3);letter-spacing:.04em;margin-top:4px;}

.phone-stack{position:relative;max-width:340px;margin-left:auto;padding:0 0 20px;}
.phone-main{
  position:relative;aspect-ratio:9/16;border-radius:var(--r-lg);overflow:hidden;
  background:var(--ink-700);box-shadow:var(--shadow-2);
}
.phone-main img{width:100%;height:100%;object-fit:cover;}
.phone-main::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(15,20,23,.85) 0%,rgba(15,20,23,0) 70%);
}
.phone-badge{
  position:absolute;left:14px;top:14px;z-index:3;height:26px;padding:0 12px;border-radius:999px;
  background:var(--lime);color:var(--ink-900);font-size:12px;font-weight:700;display:inline-flex;align-items:center;
}
.play-btn{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:3;
  width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.92);
  display:grid;place-items:center;border:none;cursor:pointer;
  transition:transform .2s var(--ease);
}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.06);}
.play-btn svg{margin-left:3px;}
.duration-pill{
  position:absolute;right:14px;bottom:14px;z-index:3;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(15,20,23,.7);color:#fff;font-size:12px;display:inline-flex;align-items:center;
  font-variant-numeric:tabular-nums;
}
.phone-second{
  position:absolute;right:-24px;bottom:0;width:44%;aspect-ratio:9/16;border-radius:var(--r-md);
  overflow:hidden;background:var(--ink-700);opacity:.9;border:2px solid var(--paper);box-shadow:var(--shadow-2);
}
.phone-second img{width:100%;height:100%;object-fit:cover;}
.phone-second::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(15,20,23,.8),rgba(15,20,23,0) 60%);}

/* ---------- section head ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap;}
.section-title{font-size:30px;line-height:1.3;font-weight:700;color:var(--ink-900);position:relative;padding-left:16px;}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand);}
.section-desc{font-size:14px;color:var(--text-2);margin-top:8px;padding-left:16px;}
.section-link{font-size:13px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:4px;}
.section-link:hover{text-decoration:underline;text-underline-offset:4px;}

/* ---------- clip cards ---------- */
.clips{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.clip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.clip-card{
  position:relative;display:block;aspect-ratio:9/16;border-radius:var(--r-md);overflow:hidden;
  background:var(--ink-700);box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.clip-card img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.clip-card::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(15,20,23,.9) 0%,rgba(15,20,23,.15) 55%,rgba(15,20,23,0) 80%);}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.clip-card:hover img{transform:scale(1.03);}
.clip-rank{
  position:absolute;left:12px;top:12px;z-index:3;height:24px;min-width:32px;padding:0 8px;
  border-radius:6px;background:var(--lime);color:var(--ink-900);font-size:12px;font-weight:800;
  display:inline-flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
}
.clip-body{position:absolute;left:14px;right:14px;bottom:14px;z-index:3;color:#fff;}
.clip-title{font-size:15px;line-height:1.4;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clip-views{font-size:13px;color:rgba(255,255,255,.72);margin-top:6px;font-variant-numeric:tabular-nums;}
.clip-play{
  position:absolute;right:12px;top:12px;z-index:3;width:40px;height:40px;border-radius:50%;
  background:rgba(255,255,255,.9);display:grid;place-items:center;transition:transform .2s var(--ease);
}
.clip-card:hover .clip-play{transform:scale(1.06);}
.clip-play svg{margin-left:2px;}

/* ---------- brief list ---------- */
.brief-wrap{display:grid;grid-template-columns:1fr;gap:0;}
.brief-item{
  display:grid;grid-template-columns:56px 1fr 64px 24px;align-items:center;gap:18px;
  padding:18px 16px;border-bottom:1px dashed var(--line);
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.brief-item:first-child{border-top:1px dashed var(--line);}
.brief-item:hover{background:var(--card);transform:translateX(4px);}
.brief-num{font-size:28px;font-weight:700;line-height:1;color:transparent;-webkit-text-stroke:1px var(--text-3);transition:color .2s var(--ease),-webkit-text-stroke-color .2s var(--ease);font-variant-numeric:tabular-nums;}
.brief-item:hover .brief-num{color:var(--brand);-webkit-text-stroke-color:var(--brand);}
.brief-title{font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.5;}
.brief-desc{font-size:14px;color:var(--text-2);margin-top:4px;}
.brief-thumb{width:64px;height:64px;border-radius:12px;overflow:hidden;background:var(--line);}
.brief-thumb img{width:100%;height:100%;object-fit:cover;}
.brief-arrow{color:var(--text-3);transition:transform .2s var(--ease),color .2s var(--ease);}
.brief-item:hover .brief-arrow{transform:translateX(2px);color:var(--brand);}

/* ---------- news ---------- */
.news{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.news-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--shadow-1);position:relative;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.news-item--lead{grid-column:1/-1;padding:28px 32px;}
.news-link{display:block;color:inherit;}
.news-link:hover{color:inherit;}
.pill{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--paper);color:var(--brand);font-size:12px;font-weight:600;
}
.news-title{
  font-size:17px;font-weight:600;line-height:1.55;color:var(--ink-900);margin:12px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s var(--ease);
}
.news-item--lead .news-title{font-size:23px;line-height:1.45;}
.news-item:hover .news-title{color:var(--brand);}
.news-summary{font-size:14px;line-height:1.75;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px;}
.news-time{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.news-arrow{color:var(--text-3);transition:transform .2s var(--ease),color .2s var(--ease);}
.news-item:hover .news-arrow{transform:translateX(2px);color:var(--brand);}
.news-empty{
  grid-column:1/-1;height:88px;border:1px dashed var(--line);border-radius:var(--r-md);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  color:var(--text-2);font-size:14px;background:var(--paper);
}
.news-empty span{font-size:12px;color:var(--text-3);}

/* ---------- voices ---------- */
.voices{background:var(--ink-900);padding:20px 0;overflow:hidden;}
.marquee{display:flex;overflow:hidden;}
.marquee-track{display:flex;align-items:center;animation:lc-scroll 46s linear infinite;will-change:transform;}
.marquee:hover .marquee-track{animation-play-state:paused;}
@keyframes lc-scroll{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.voice{display:flex;align-items:center;gap:12px;padding:0 26px;border-right:1px solid rgba(255,255,255,.12);white-space:nowrap;}
.avatar{
  width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;font-size:13px;font-weight:700;
  display:grid;place-items:center;flex:none;
}
.voice-name{font-size:13px;color:rgba(255,255,255,.75);}
.voice-text{font-size:14px;color:#fff;}
.dots{display:inline-flex;gap:3px;}
.dots i{width:5px;height:5px;border-radius:50%;background:var(--lime);display:block;}

/* ---------- cta band ---------- */
.cta-band{background:var(--ink-900);padding:0 0 72px;}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--ink-700);
  border:1px solid rgba(255,255,255,.08);padding:44px 48px;
  display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
}
.cta-inner::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:200px;height:356px;
  border:1.5px solid rgba(255,255,255,.09);border-radius:22px;transform:rotate(-8deg);
}
.cta-title{font-size:30px;line-height:1.3;font-weight:700;color:#fff;}
.cta-desc{font-size:15px;color:rgba(255,255,255,.66);margin-top:12px;max-width:34em;}
.cta-checks{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;}
.cta-check{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:#fff;}
.cta-check svg{color:var(--lime);flex:none;}
.cta-side{position:relative;z-index:2;display:flex;flex-direction:column;align-items:flex-start;gap:10px;}
.cta-note{font-size:12px;color:rgba(255,255,255,.55);}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px;}
.faq-item{
  border:1px solid var(--line);border-radius:16px;background:var(--card);
  margin-bottom:12px;position:relative;overflow:hidden;transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.faq-item.is-open{border-color:var(--line);box-shadow:var(--shadow-1);}
.faq-item.is-open::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;background:var(--brand);}
.faq-q{
  width:100%;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 22px;background:transparent;border:none;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.5;
}
.faq-icon{flex:none;width:22px;height:22px;position:relative;color:var(--text-2);}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:1px;transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.faq-icon::before{left:0;top:10px;width:22px;height:1.5px;}
.faq-icon::after{left:10px;top:0;width:1.5px;height:22px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.78);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;}
.footer-brand svg{color:var(--brand);flex:none;}
.footer-text{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin-top:14px;max-width:26em;}
.footer-col-title{font-size:13px;letter-spacing:.1em;color:rgba(255,255,255,.45);margin-bottom:14px;text-transform:uppercase;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a,.footer-list span{font-size:14px;color:rgba(255,255,255,.78);}
.footer-list a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--lime);}
.footer-disclaimer{width:100%;font-size:12px;color:rgba(255,255,255,.42);line-height:1.7;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  :root{--nav-w:200px;}
  .container{padding:0 32px;}
  .hero-title{font-size:42px;}
  .clip-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1023px){
  :root{--nav-w:0px;}
  .side-nav{
    width:280px;transform:translateX(-100%);
    transition:transform .24s var(--ease);box-shadow:var(--shadow-2);
    padding:20px 16px 28px;
  }
  .side-nav.is-open{transform:none;}
  .nav-close{
    display:grid;place-items:center;position:absolute;right:12px;top:16px;
    width:34px;height:34px;border-radius:10px;background:var(--card);
    border:1px solid var(--line);cursor:pointer;color:var(--ink-900);
  }
  .main-area{margin-left:0;}
  .mobile-bar{display:flex;}
  .hero{padding:36px 0 48px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-title{font-size:36px;max-width:none;}
  .phone-stack{max-width:100%;margin:0;padding:0;}
  .phone-second{display:none;}
  .phone-main{aspect-ratio:4/5;max-width:460px;margin:0 auto;}
  .section{padding:56px 0;}
  .clip-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:1fr;}
  .cta-inner{grid-template-columns:1fr;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section-title{font-size:26px;}
  .cta-title{font-size:26px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .hero-title{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .stats{gap:24px;}
  .stat-num{font-size:26px;}
  .clip-grid{
    display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
    padding-bottom:8px;margin:0 -18px;padding-left:18px;padding-right:18px;
  }
  .clip-grid::-webkit-scrollbar{height:4px;}
  .clip-grid::-webkit-scrollbar-thumb{background:var(--line);border-radius:2px;}
  .clip-card{flex:0 0 74%;scroll-snap-align:start;}
  .brief-item{grid-template-columns:40px 1fr;gap:14px;padding:16px 8px;}
  .brief-thumb{display:none;}
  .brief-arrow{display:none;}
  .brief-title{font-size:16px;}
  .news-item--lead{padding:22px;}
  .news-item--lead .news-title{font-size:19px;}
  .cta-inner{padding:26px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .section-head{gap:12px;}
  .faq-q{font-size:15px;padding:14px 18px;}
  .faq-a p{padding:0 18px 18px;}
  .marquee-track{animation:none;flex-wrap:wrap;justify-content:center;}
  .voice{border-right:none;padding:8px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
  .marquee-track{animation:none;flex-wrap:wrap;}
}

/* roulang page: category1 */
:root{
    --ink-900:#0F1417;
    --ink-700:#1C2429;
    --brand:#0E9F7E;
    --brand-deep:#0B7F65;
    --paper:#F6F2EA;
    --card:#FFFFFF;
    --line:#E6DFD2;
    --text:#151A1D;
    --text-2:#5A6569;
    --text-3:#8C9598;
    --lime:#D6F45B;
    --coral:#FF6A45;
    --r-card:18px;
    --r-lg:22px;
    --r-btn:12px;
    --sh-1:0 1px 2px rgba(15,20,23,.06);
    --sh-2:0 12px 28px -12px rgba(15,20,23,.18);
    --ease:cubic-bezier(.2,.7,.3,1);
    --nav-w:240px;
  }

  html{scroll-behavior:smooth;}
  body.lc-body{
    margin:0;
    padding:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    background:var(--paper);
    color:var(--text);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  body.lc-body *{box-sizing:border-box;}
  body.lc-body img{display:block;max-width:100%;height:auto;}
  body.lc-body a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease);}
  body.lc-body a:hover{color:var(--brand-deep);text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:4px;}
  body.lc-body button{font:inherit;color:inherit;cursor:pointer;}
  body.lc-body :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

  /* ---------- 应用骨架 ---------- */
  .app-shell{min-height:100vh;}

  .sidebar{
    position:fixed;top:0;left:0;width:var(--nav-w);height:100vh;
    background:var(--paper);
    border-right:1px solid var(--line);
    padding:20px;
    display:flex;flex-direction:column;gap:22px;
    overflow-y:auto;
    z-index:70;
    transition:transform .24s var(--ease);
  }
  .brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900);line-height:1.2;}
  .brand svg{flex:0 0 auto;color:var(--brand);}
  .brand:hover{text-decoration:none;color:var(--ink-900);}

  .nav-list{display:flex;flex-direction:column;gap:4px;}
  .nav-item{
    position:relative;display:flex;align-items:center;gap:10px;
    height:44px;padding:0 12px;border-radius:12px;
    color:var(--text-2);font-size:14.5px;font-weight:500;line-height:1;
    border:1px solid transparent;
    transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  }
  .nav-item::before{
    content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:3px;
    background:transparent;transition:background .18s var(--ease);
  }
  .nav-item svg{flex:0 0 auto;opacity:.85;}
  .nav-item:hover{background:rgba(14,159,126,.08);color:var(--ink-900);text-decoration:none;}
  .nav-item:hover::before{background:var(--brand);}
  .nav-item.is-active{
    background:var(--card);border-color:var(--line);color:var(--ink-900);font-weight:700;
    box-shadow:var(--sh-1);
  }
  .nav-item.is-active::before{background:var(--brand);}
  .nav-item.is-active svg{color:var(--brand);opacity:1;}

  .side-note{margin-top:auto;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px;box-shadow:var(--sh-1);}
  .side-note-thumb{width:100%;aspect-ratio:9/16;max-height:150px;border-radius:12px;overflow:hidden;background:var(--ink-700);margin-bottom:10px;}
  .side-note-thumb img{width:100%;height:100%;object-fit:cover;}
  .side-note p{margin:0 0 8px;font-size:12.5px;line-height:1.65;color:var(--text-2);}
  .side-note a{font-size:13px;font-weight:700;}

  .mobile-bar{display:none;}
  .drawer-mask{display:none;}

  /* ---------- 主区域与容器 ---------- */
  .main-area{margin-left:var(--nav-w);min-height:100vh;}
  .container{width:100%;max-width:1080px;margin:0 auto;padding:0 40px;}

  /* ---------- 面包屑 / 页面头部 ---------- */
  .page-head{padding:44px 0 8px;}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
  .breadcrumb a{color:var(--text-2);}
  .breadcrumb span.sep{color:var(--line);}
  .breadcrumb .current{color:var(--text-3);}

  .eyebrow{
    display:inline-flex;align-items:center;gap:6px;
    height:26px;padding:0 12px;border-radius:999px;
    background:var(--lime);color:var(--ink-900);
    font-size:12px;font-weight:700;letter-spacing:.06em;
  }
  h1.page-title{
    margin:16px 0 14px;
    font-size:clamp(30px,3.4vw,46px);
    line-height:1.15;font-weight:800;letter-spacing:-.02em;color:var(--ink-900);
  }
  .page-lead{margin:0;max-width:640px;color:var(--text-2);font-size:16.5px;line-height:1.8;}

  .pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
  .pill{
    display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
    background:var(--card);border:1px solid var(--line);color:var(--text-2);
    font-size:13px;font-weight:500;line-height:1;
    transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease),transform .18s var(--ease);
  }
  .pill:hover{border-color:var(--brand);color:var(--brand);text-decoration:none;transform:translateY(-1px);}
  .pill.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:700;}
  .pill.is-active:hover{color:#fff;}

  /* ---------- Hero ---------- */
  .hero{padding:26px 0 8px;}
  .hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:center;}
  .hero-copy h2{margin:0 0 12px;font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;}
  .hero-copy p{margin:0 0 22px;color:var(--text-2);font-size:16px;max-width:520px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;}

  .stat-row{display:flex;flex-wrap:wrap;gap:40px;margin-top:28px;padding-top:20px;border-top:1px dashed var(--line);}
  .stat-row .stat b{display:block;font-size:32px;line-height:1.1;font-weight:700;color:var(--ink-900);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
  .stat-row .stat span{display:block;margin-top:4px;font-size:12px;color:var(--text-3);letter-spacing:.04em;}

  .hero-card{position:relative;width:100%;max-width:300px;margin-left:auto;aspect-ratio:9/16;border-radius:var(--r-lg);overflow:hidden;background:var(--ink-700);box-shadow:var(--sh-2);}
  .hero-card img{width:100%;height:100%;object-fit:cover;object-position:center 30%;}
  .hero-card .shade{position:absolute;inset:0;background:linear-gradient(to top,rgba(15,20,23,.92) 0%,rgba(15,20,23,.35) 45%,rgba(15,20,23,0) 72%);}
  .hero-card .tag-corner{position:absolute;top:14px;left:14px;height:24px;display:inline-flex;align-items:center;padding:0 10px;border-radius:999px;background:var(--lime);color:var(--ink-900);font-size:12px;font-weight:700;}
  .hero-card .cap{position:absolute;left:16px;right:16px;bottom:16px;color:#fff;font-size:14px;font-weight:600;line-height:1.5;}

  /* ---------- 播放按钮 ---------- */
  .play-btn{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;transition:transform .2s var(--ease);}
  .play-btn svg{display:block;margin-left:3px;color:var(--ink-900);}
  .play-btn.sm{width:40px;height:40px;}
  .play-btn.sm svg{width:12px;height:12px;}

  /* ---------- 片段墙 ---------- */
  .section{padding:56px 0;}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px;}
  .section-head h2{margin:0;font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;color:var(--ink-900);letter-spacing:-.01em;display:flex;align-items:center;gap:12px;}
  .section-head h2::before{content:"";width:4px;height:22px;border-radius:3px;background:var(--brand);display:inline-block;}
  .section-head p{margin:6px 0 0;color:var(--text-3);font-size:13.5px;}
  .link-more{font-size:13px;font-weight:700;color:var(--brand);white-space:nowrap;}
  .link-more:hover{text-decoration:none;color:var(--brand-deep);}

  .clip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .clip-card{
    position:relative;display:block;aspect-ratio:9/16;border-radius:var(--r-card);overflow:hidden;
    background:var(--ink-700);box-shadow:var(--sh-1);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  }
  .clip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);text-decoration:none;}
  .clip-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
  .clip-card:hover img{transform:scale(1.03);}
  .clip-card .shade{position:absolute;inset:0;background:linear-gradient(to top,rgba(15,20,23,.94) 0%,rgba(15,20,23,.32) 46%,rgba(15,20,23,0) 74%);}
  .clip-rank{position:absolute;top:12px;left:12px;height:24px;min-width:30px;display:inline-flex;align-items:center;justify-content:center;padding:0 8px;border-radius:8px;background:var(--lime);color:var(--ink-900);font-size:12px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.02em;}
  .clip-card:hover .play-btn{transform:translate(-50%,-50%) scale(1.06);}
  .clip-body{position:absolute;left:14px;right:14px;bottom:14px;color:#fff;}
  .clip-title{display:block;font-size:15px;line-height:1.4;font-weight:600;color:#fff;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .clip-views{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.72);font-variant-numeric:tabular-nums;}
  .clip-time{position:absolute;right:12px;bottom:82px;height:22px;display:inline-flex;align-items:center;padding:0 8px;border-radius:999px;background:rgba(15,20,23,.72);color:#fff;font-size:11.5px;font-variant-numeric:tabular-nums;letter-spacing:.02em;}

  .pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:32px;}
  .pager a,.pager span{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 12px;border-radius:10px;border:1px solid var(--line);background:var(--card);font-size:13px;color:var(--text-2);font-variant-numeric:tabular-nums;transition:all .18s var(--ease);}
  .pager a:hover{border-color:var(--brand);color:var(--brand);text-decoration:none;}
  .pager .is-current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:700;}

  /* ---------- 拆解流程（刻度时间轴） ---------- */
  .timeline{position:relative;margin-top:8px;padding-left:28px;border-left:1px dashed var(--line);}
  .step{position:relative;padding-bottom:26px;}
  .step:last-child{padding-bottom:0;}
  .step::before{content:"";position:absolute;left:-34px;top:7px;width:12px;height:12px;border-radius:50%;background:var(--paper);border:2px solid var(--brand);}
  .step-no{font-size:13px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.08em;}
  .step h3{margin:4px 0 6px;font-size:19px;line-height:1.45;font-weight:600;color:var(--ink-900);}
  .step p{margin:0;color:var(--text-2);font-size:15px;line-height:1.8;}

  /* ---------- 场景卡 ---------- */
  .scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
  .scene-card{display:flex;gap:16px;padding:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease);}
  .scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
  .scene-thumb{flex:0 0 72px;width:72px;height:72px;border-radius:12px;overflow:hidden;background:var(--ink-700);}
  .scene-thumb img{width:100%;height:100%;object-fit:cover;}
  .scene-card h3{margin:0 0 4px;font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.45;}
  .scene-card p{margin:0;font-size:14px;color:var(--text-2);line-height:1.7;}

  /* ---------- 口碑条 ---------- */
  .marquee-band{background:var(--ink-900);color:#fff;padding:20px 0;overflow:hidden;}
  .marquee{display:flex;width:max-content;animation:slide-x 46s linear infinite;}
  .marquee-band:hover .marquee{animation-play-state:paused;}
  @keyframes slide-x{from{transform:translateX(0);}to{transform:translateX(-50%);}}
  .quote{display:flex;align-items:center;gap:12px;padding:0 26px;border-right:1px solid rgba(255,255,255,.12);}
  .quote .avatar{width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex:0 0 auto;}
  .quote .who{font-size:13px;color:rgba(255,255,255,.68);white-space:nowrap;}
  .quote .say{font-size:14px;color:#fff;white-space:nowrap;}
  .quote .stars{display:flex;gap:3px;}
  .quote .stars i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:block;}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:820px;}
  .faq-item{border:1px solid var(--line);border-radius:16px;background:var(--card);margin-bottom:12px;transition:box-shadow .2s var(--ease);}
  .faq-item:hover{box-shadow:var(--sh-1);}
  .faq-item.is-open{box-shadow:inset 3px 0 0 var(--brand),var(--sh-1);}
  .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding:14px 20px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.5;}
  .faq-q .ico{flex:0 0 auto;width:20px;height:20px;position:relative;color:var(--text-3);}
  .faq-q .ico::before,.faq-q .ico::after{content:"";position:absolute;background:currentColor;border-radius:2px;}
  .faq-q .ico::before{left:0;top:9px;width:20px;height:1.5px;}
  .faq-q .ico::after{left:9px;top:0;width:1.5px;height:20px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
  .faq-item.is-open .faq-q .ico{color:var(--brand);}
  .faq-item.is-open .faq-q .ico::after{transform:rotate(90deg);opacity:0;}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
  .faq-a p{margin:0;padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--text-2);}

  /* ---------- CTA ---------- */
  .cta-band{position:relative;background:var(--ink-900);border-radius:var(--r-lg);padding:44px;color:#fff;overflow:hidden;display:grid;grid-template-columns:1.35fr .65fr;gap:32px;align-items:center;}
  .cta-band::after{content:"";position:absolute;right:-40px;bottom:-60px;width:200px;height:355px;border:2px solid rgba(255,255,255,.07);border-radius:22px;transform:rotate(8deg);}
  .cta-band h2{margin:0 0 10px;font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:800;color:#fff;}
  .cta-band p.lead{margin:0 0 18px;font-size:14.5px;color:rgba(255,255,255,.66);line-height:1.8;}
  .cta-checks{display:flex;flex-wrap:wrap;gap:10px 22px;margin:0;padding:0;list-style:none;}
  .cta-checks li{display:flex;align-items:center;gap:8px;font-size:14px;color:#fff;}
  .cta-checks li svg{flex:0 0 auto;color:var(--lime);}
  .cta-side{position:relative;z-index:1;}
  .cta-side .hint{display:block;margin-top:12px;font-size:12px;color:rgba(255,255,255,.5);line-height:1.7;}

  /* ---------- 按钮 ---------- */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:700;line-height:1;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);}
  .btn-lg{height:52px;padding:0 28px;}
  .btn-primary{background:var(--coral);color:#fff;box-shadow:0 10px 22px -12px rgba(255,106,69,.9);}
  .btn-primary:hover{background:var(--coral);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:0 16px 28px -14px rgba(255,106,69,.85);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
  .btn-ghost:hover{background:rgba(14,159,126,.08);border-color:var(--brand);color:var(--ink-900);text-decoration:none;}
  .btn-outline-light{background:transparent;border-color:rgba(255,255,255,.28);color:#fff;}
  .btn-outline-light:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);color:#fff;text-decoration:none;}

  /* ---------- 分类互链 ---------- */
  .cat-links{padding:8px 0 56px;}
  .cat-links .label{font-size:13px;color:var(--text-3);margin-bottom:12px;letter-spacing:.04em;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink-900);color:rgba(255,255,255,.78);padding:56px 0 28px;margin-top:8px;}
  .site-footer .container{max-width:1080px;}
  .footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr 1.05fr;gap:32px;}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:14px;}
  .footer-brand svg{color:var(--brand);flex:0 0 auto;}
  .footer-text{margin:0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:300px;}
  .footer-col-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;}
  .footer-list{display:flex;flex-direction:column;gap:9px;font-size:14px;color:rgba(255,255,255,.66);}
  .footer-list a{color:rgba(255,255,255,.66);}
  .footer-list a:hover{color:#fff;}
  .footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.6);}
  .footer-bottom a{color:rgba(255,255,255,.8);}
  .footer-bottom a:hover{color:#fff;}
  .footer-disclaimer{margin:10px 0 0;font-size:12px;line-height:1.8;color:rgba(255,255,255,.44);width:100%;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    :root{--nav-w:200px;}
    .container{padding:0 28px;}
    .clip-grid{grid-template-columns:repeat(3,1fr);}
  }
  @media (max-width:1023px){
    :root{--nav-w:0px;}
    .sidebar{width:280px;transform:translateX(-100%);box-shadow:var(--sh-2);}
    .sidebar.is-open{transform:translateX(0);}
    .main-area{margin-left:0;padding-top:56px;}
    .mobile-bar{
      display:flex;align-items:center;justify-content:space-between;
      position:fixed;top:0;left:0;right:0;height:56px;padding:0 16px;
      background:rgba(246,242,234,.96);backdrop-filter:blur(8px);
      border-bottom:1px solid var(--line);z-index:80;
    }
    .mobile-bar .brand{font-size:16px;}
    .hamburger{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink-900);}
    .drawer-mask{display:block;position:fixed;inset:0;background:rgba(15,20,23,.5);opacity:0;pointer-events:none;transition:opacity .22s var(--ease);z-index:65;}
    .drawer-mask.is-open{opacity:1;pointer-events:auto;}
    .hero-grid{grid-template-columns:1fr;gap:28px;}
    .hero-card{max-width:280px;margin:0 auto;}
    .cta-band{grid-template-columns:1fr;padding:32px;gap:24px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  }
  @media (max-width:767px){
    .container{padding:0 18px;}
    .page-head{padding:28px 0 4px;}
    .section{padding:44px 0;}
    .stat-row{gap:24px;}
    .stat-row .stat b{font-size:26px;}
    .clip-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:14px;padding-bottom:10px;-webkit-overflow-scrolling:touch;}
    .clip-card{flex:0 0 74%;scroll-snap-align:start;}
    .scene-grid{grid-template-columns:1fr;}
    .hero-actions{flex-direction:column;align-items:stretch;}
    .hero-actions .btn{width:100%;}
    .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
    .cta-band{padding:26px 20px;border-radius:18px;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;}
    .pager a,.pager span{min-width:34px;height:34px;font-size:12.5px;}
  }
  @media (max-width:520px){
    .hero-card{max-width:100%;aspect-ratio:4/5;}
    .clip-card{flex:0 0 82%;}
    .quote{padding:0 18px;}
  }
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto;}
    *,*::before,*::after{animation:none !important;transition:none !important;}
    .marquee{flex-wrap:wrap;width:auto;}
    .quote{border-right:0;padding:8px 18px;}
  }

/* roulang page: article */
:root{
  --ink-900:#0F1417;
  --ink-700:#1C2429;
  --brand:#0E9F7E;
  --brand-deep:#0B8A6C;
  --paper:#F6F2EA;
  --card:#FFFFFF;
  --line:#E6DFD2;
  --text:#151A1D;
  --text-2:#5A6569;
  --text-3:#8C9598;
  --lime:#D6F45B;
  --coral:#FF6A45;
  --r-card:18px;
  --r-lg:22px;
  --r-btn:12px;
  --shadow-1:0 1px 2px rgba(15,20,23,.06);
  --shadow-2:0 12px 28px -12px rgba(15,20,23,.18);
  --sidebar-w:240px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
html body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
html body a{color:inherit;text-decoration:none;}
html body img{display:block;max-width:100%;}
html body button{font-family:inherit;}
html body p{margin:0;}
body .container{width:100%;max-width:1320px;margin:0 auto;padding:0 40px;}

/* ---------- App shell ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--paper);
  border-right:1px solid var(--line);
  padding:20px 16px 22px;
  display:flex;flex-direction:column;gap:16px;
  overflow-y:auto;z-index:70;
}
.sidebar-head{display:flex;align-items:center;justify-content:space-between;gap:8px;}
.logo{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900);
  padding:4px 6px;line-height:1.3;
}
.logo svg{color:var(--brand);flex:none;}
.drawer-close{
  display:none;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;border:1px solid var(--line);
  background:var(--card);color:var(--text-2);cursor:pointer;
  transition:border-color .2s,color .2s;
}
.drawer-close:hover{border-color:var(--brand);color:var(--brand);}
.nav-list{display:flex;flex-direction:column;gap:4px;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px 0 14px;border-radius:12px;
  font-size:15px;color:var(--text-2);
  border:1px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.nav-item svg{flex:none;opacity:.85;}
.nav-item::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:2px;background:var(--brand);opacity:0;
  transition:opacity .2s var(--ease);
}
.nav-item:hover{background:rgba(14,159,126,.08);color:var(--text);}
.nav-item:hover::before{opacity:1;}
.nav-item.is-active{
  background:var(--card);border-color:var(--line);
  color:var(--ink-900);font-weight:700;box-shadow:var(--shadow-1);
}
.nav-item.is-active::before{opacity:1;}
.side-card{
  margin-top:auto;display:flex;gap:12px;align-items:center;
  background:var(--card);border:1px solid var(--line);
  border-radius:16px;padding:12px;box-shadow:var(--shadow-1);
}
.side-card img{width:54px;height:76px;object-fit:cover;border-radius:10px;flex:none;}
.side-card-title{font-size:14px;font-weight:700;line-height:1.4;color:var(--ink-900);}
.side-card-note{font-size:12px;color:var(--text-3);margin-top:2px;line-height:1.5;}
.side-card-link{display:inline-block;margin-top:6px;font-size:12px;color:var(--brand);font-weight:600;}
.side-card-link:hover{text-decoration:underline;text-underline-offset:3px;}

.content{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
.topbar{
  display:none;position:sticky;top:0;z-index:60;
  height:56px;align-items:center;justify-content:space-between;gap:12px;
  padding:0 18px;background:rgba(246,242,234,.94);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
}
.logo-sm{font-size:16px;padding:0;}
.hamburger{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:var(--card);color:var(--ink-900);cursor:pointer;
}
.hamburger:hover{border-color:var(--brand);color:var(--brand);}
.scrim{
  position:fixed;inset:0;background:rgba(15,20,23,.5);
  opacity:0;pointer-events:none;transition:opacity .2s var(--ease);z-index:65;
}
.scrim.is-open{opacity:1;pointer-events:auto;}

/* ---------- Page ---------- */
.page-main{flex:1 0 auto;padding:28px 0 0;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:18px;
}
.breadcrumb a{color:var(--text-3);transition:color .2s;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#CFC6B5;}
.breadcrumb .cur{
  color:var(--text-3);max-width:56vw;white-space:nowrap;
  overflow:hidden;text-overflow:ellipsis;
}
.article-head{max-width:860px;}
.pill{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.04em;
  background:var(--card);border:1px solid var(--line);color:var(--brand);
}
.article-head h1{
  margin:14px 0 16px;
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.22;font-weight:800;letter-spacing:-.02em;color:var(--ink-900);
}
.meta-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
  padding-bottom:16px;border-bottom:1px dashed var(--line);
  font-variant-numeric:tabular-nums;
}
.meta-line .dot{color:#CFC6B5;}
.article-cover{margin:24px 0 4px;}
.article-cover img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-lg);background:#E9E3D6;
}
.article-cover figcaption{
  margin-top:12px;text-align:center;font-size:13px;color:var(--text-3);
}

.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 260px;
  gap:44px;margin-top:34px;align-items:start;
}
.prose-wrap{min-width:0;max-width:720px;}
.prose-lc{font-size:17px;line-height:1.95;color:var(--text);}
.prose-lc > p:first-of-type{font-size:18px;font-weight:500;line-height:1.9;}
.prose-lc p{margin:0 0 1.2em;}
.prose-lc h2{
  position:relative;font-size:24px;font-weight:700;line-height:1.4;
  margin:40px 0 16px;padding-left:14px;color:var(--ink-900);
}
.prose-lc h2::before{
  content:"";position:absolute;left:0;top:7px;width:4px;height:18px;
  border-radius:2px;background:var(--brand);
}
.prose-lc h3{font-size:19px;font-weight:600;line-height:1.45;margin:28px 0 12px;color:var(--ink-900);}
.prose-lc h4{font-size:16px;font-weight:600;margin:22px 0 10px;color:var(--ink-900);}
.prose-lc ul,.prose-lc ol{padding-left:1.35em;margin:0 0 1.2em;}
.prose-lc li{margin-bottom:8px;line-height:1.85;}
.prose-lc li::marker{color:var(--brand);}
.prose-lc blockquote{
  margin:0 0 1.2em;padding:20px;border-left:4px solid var(--lime);
  background:var(--paper);border-radius:0 12px 12px 0;
  font-size:16px;color:var(--text-2);
}
.prose-lc blockquote p:last-child{margin-bottom:0;}
.prose-lc img{border-radius:16px;width:100%;height:auto;margin:8px 0;}
.prose-lc a{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.prose-lc a:hover{color:var(--brand-deep);}
.prose-lc table{width:100%;border-collapse:collapse;font-size:15px;margin:0 0 1.2em;}
.prose-lc th,.prose-lc td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);}
.prose-lc thead th{background:var(--paper);font-weight:600;}
.prose-lc tbody tr:nth-child(even){background:rgba(246,242,234,.75);}
.prose-lc code{background:var(--paper);padding:2px 6px;border-radius:6px;font-size:14px;}

.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);
  padding:44px 24px;text-align:center;background:var(--card);
}
.empty-title{font-size:17px;font-weight:700;color:var(--ink-900);}
.empty-note{margin:8px 0 20px;font-size:14px;color:var(--text-3);}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);background:#F65B36;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{background:rgba(14,159,126,.08);border-color:var(--brand);color:var(--ink-900);}
.btn:focus-visible,.tag:focus-visible,.share-btn:focus-visible,.nav-item:focus-visible,
.faq-q:focus-visible,.rcard:focus-visible,.post-nav a:focus-visible,
.side-links a:focus-visible,.text-link:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}

/* tags & share */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:38px 0 20px;}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:999px;font-size:13px;background:var(--card);
  border:1px solid var(--line);color:var(--text-2);
  transition:border-color .2s,color .2s,background-color .2s;
}
.tag:hover{border-color:var(--brand);color:var(--brand);background:rgba(14,159,126,.06);}
.share-row{
  display:flex;align-items:center;gap:10px;
  padding-top:16px;border-top:1px dashed var(--line);
}
.share-row .label{font-size:13px;color:var(--text-3);margin-right:2px;}
.share-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:var(--card);display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);cursor:pointer;
  transition:border-color .2s,color .2s,transform .2s var(--ease),background-color .2s;
}
.share-btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);background:rgba(14,159,126,.06);}

/* prev / next */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px;}
.post-nav a{
  display:block;background:var(--card);border:1px solid var(--line);
  border-radius:16px;padding:16px 18px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s;
}
.post-nav a:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand);}
.post-nav .dir{font-size:12px;color:var(--text-3);letter-spacing:.06em;}
.post-nav .t{
  margin-top:6px;font-size:15px;font-weight:600;line-height:1.55;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.back-center{text-align:center;margin-top:28px;}
.back-center a{font-size:14px;color:var(--brand);font-weight:600;}
.back-center a:hover{text-decoration:underline;text-underline-offset:4px;}

/* sidebar of article */
.article-side{position:sticky;top:24px;display:flex;flex-direction:column;gap:18px;}
.side-panel{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:18px;box-shadow:var(--shadow-1);
}
.side-panel-title{
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--text-3);margin-bottom:10px;
}
.side-links{display:flex;flex-direction:column;}
.side-links a{
  display:block;padding:9px 0 9px 12px;font-size:14px;color:var(--text-2);
  border-left:2px solid transparent;
  transition:color .2s,border-color .2s,background-color .2s,padding-left .2s;
}
.side-links a:hover{color:var(--brand);border-left-color:var(--brand);background:rgba(14,159,126,.06);padding-left:14px;}
.mini-card{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);}
.mini-card:last-child{border-bottom:0;padding-bottom:0;}
.mini-card:first-of-type{padding-top:0;}
.mini-card img{width:72px;height:72px;border-radius:12px;object-fit:cover;flex:none;}
.mini-card-title{
  font-size:14px;font-weight:600;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s;
}
.mini-card-meta{margin-top:5px;font-size:12px;color:var(--text-3);}
.mini-card:hover .mini-card-title{color:var(--brand);}

/* sections */
.stack-section{margin-top:68px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:22px;flex-wrap:wrap;
}
.section-head h2{
  position:relative;margin:0;padding-left:14px;
  font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35;color:var(--ink-900);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:2px;background:var(--brand);
}
.text-link{font-size:13px;font-weight:600;color:var(--brand);white-space:nowrap;}
.text-link:hover{text-decoration:underline;text-underline-offset:4px;}

.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rcard{
  display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s;
}
.rcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D9D1C0;}
.rcard-thumb{overflow:hidden;}
.rcard-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .24s var(--ease);}
.rcard:hover .rcard-thumb img{transform:scale(1.03);}
.rcard-body{padding:16px 18px 18px;}
.tagmini{
  display:inline-block;font-size:12px;color:var(--brand);
  background:var(--paper);border-radius:999px;padding:2px 10px;
}
.rcard h3{
  margin:10px 0 8px;font-size:16px;font-weight:600;line-height:1.55;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s;
}
.rcard:hover h3{color:var(--brand);}
.rcard .time{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}

/* FAQ */
.faq-wrap{max-width:860px;}
.faq-item{
  border:1px solid var(--line);border-radius:16px;background:var(--card);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .2s,box-shadow .2s;
}
.faq-item.is-open{border-color:var(--brand);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:16px 20px;background:none;border:0;
  text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);cursor:pointer;
}
.faq-q:hover{color:var(--brand);}
.faq-sign{
  flex:none;width:22px;height:22px;border-radius:50%;
  border:1.5px solid var(--line);position:relative;
  transition:border-color .2s,background-color .2s;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--text-2);border-radius:1px;
  transition:transform .2s var(--ease),background-color .2s;
}
.faq-sign::before{left:5px;right:5px;top:9.5px;height:1.5px;}
.faq-sign::after{top:5px;bottom:5px;left:9.5px;width:1.5px;}
.faq-item.is-open .faq-sign{border-color:var(--brand);background:rgba(14,159,126,.1);}
.faq-item.is-open .faq-sign::before,.faq-item.is-open .faq-sign::after{background:var(--brand);}
.faq-item.is-open .faq-sign::after{transform:scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:#fff;border-radius:var(--r-lg);
  padding:40px;display:grid;grid-template-columns:minmax(0,1fr) auto;
  gap:32px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-50px;bottom:-70px;
  width:220px;height:330px;border:1.5px solid rgba(255,255,255,.12);
  border-radius:24px;pointer-events:none;
}
.cta-band h2{margin:0 0 10px;font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.3;color:#fff;}
.cta-band p{margin:0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:520px;}
.cta-checks{display:flex;flex-wrap:wrap;gap:16px;margin-top:18px;font-size:14px;color:#fff;}
.cta-checks span{display:inline-flex;align-items:center;gap:8px;}
.cta-checks svg{color:var(--lime);flex:none;}
.cta-actions{position:relative;z-index:1;text-align:center;}
.cta-note{margin-top:10px;font-size:12px;color:rgba(255,255,255,.5);}

/* footer */
.site-footer{background:var(--ink-900);color:#fff;padding:56px 0 28px;margin-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;}
.footer-brand svg{color:var(--brand);flex:none;}
.footer-text{margin:14px 0 0;font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:330px;}
.footer-col-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:#fff;margin-bottom:14px;}
.footer-list{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.68);}
.footer-list a{color:rgba(255,255,255,.68);transition:color .2s;}
.footer-list a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.62);
}
.footer-bottom a{color:rgba(255,255,255,.85);}
.footer-bottom a:hover{color:var(--lime);}
.footer-disclaimer{margin:10px 0 0;font-size:12px;line-height:1.7;color:rgba(255,255,255,.48);width:100%;}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  :root{--sidebar-w:200px;}
  body .container{padding:0 32px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 240px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:1023px){
  .sidebar{
    width:280px;transform:translateX(-100%);
    transition:transform .24s var(--ease);box-shadow:var(--shadow-2);
  }
  .sidebar.is-open{transform:translateX(0);}
  .drawer-close{display:inline-flex;}
  .content{margin-left:0;}
  .topbar{display:flex;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{position:static;display:grid;grid-template-columns:1fr 1fr;gap:16px;}
  .prose-wrap{max-width:none;}
  .cta-band{grid-template-columns:1fr;padding:32px;}
  .cta-actions{text-align:left;}
}
@media (max-width:767px){
  body .container{padding:0 18px;}
  .page-main{padding-top:20px;}
  .article-cover img{border-radius:16px;}
  .article-layout{margin-top:24px;gap:24px;}
  .article-side{grid-template-columns:1fr;}
  .post-nav{grid-template-columns:1fr;}
  .related-grid{
    display:flex;overflow-x:auto;scroll-snap-type:x mandatory;
    gap:14px;padding-bottom:10px;-webkit-overflow-scrolling:touch;
  }
  .rcard{flex:0 0 78%;scroll-snap-align:start;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{font-size:15px;padding:14px 16px;}
  .faq-a p{padding:0 16px 16px;}
  .stack-section{margin-top:52px;}
  .cta-band{padding:26px;}
  .breadcrumb .cur{max-width:62vw;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
    --ink-900:#0F1417;
    --ink-700:#1C2429;
    --brand:#0E9F7E;
    --brand-deep:#0B8570;
    --paper:#F6F2EA;
    --card:#FFFFFF;
    --line:#E6DFD2;
    --text:#151A1D;
    --text-2:#5A6569;
    --text-3:#8C9598;
    --lime:#D6F45B;
    --coral:#FF6A45;
    --r-card:18px;
    --r-lg:22px;
    --r-btn:12px;
    --r-pill:999px;
    --sh-1:0 1px 2px rgba(15,20,23,.06);
    --sh-2:0 12px 28px -12px rgba(15,20,23,.18);
    --ease:cubic-bezier(.2,.7,.3,1);
    --side-w:240px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16.5px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
  a:hover{color:var(--brand-deep)}
  button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
  p{margin:0}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

  .skip-link{
    position:absolute;left:-999px;top:8px;z-index:200;
    background:var(--ink-900);color:#fff;padding:10px 16px;border-radius:var(--r-btn);
  }
  .skip-link:focus{left:16px;color:#fff}

  .num{font-variant-numeric:tabular-nums;letter-spacing:.01em}

  /* ============ 侧栏导航 ============ */
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
    background:var(--paper);
    border-right:1px solid var(--line);
    padding:20px 18px;
    display:flex;flex-direction:column;
    gap:18px;
    z-index:60;
    overflow-y:auto;
  }
  .brand{
    display:flex;align-items:center;gap:10px;
    color:var(--ink-900);
    font-size:17.5px;font-weight:800;letter-spacing:-.01em;
    padding:6px 8px;border-radius:12px;
  }
  .brand:hover{color:var(--ink-900)}
  .brand svg{color:var(--brand);flex:0 0 auto}
  .brand-text{white-space:nowrap}

  .nav-list{display:flex;flex-direction:column;gap:4px}
  .nav-item{
    display:flex;align-items:center;gap:10px;
    height:44px;padding:0 12px;
    border-radius:12px;
    border-left:3px solid transparent;
    color:var(--text-2);
    font-size:14.5px;font-weight:500;
    transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .nav-item svg{flex:0 0 auto;opacity:.85}
  .nav-item:hover{
    background:rgba(14,159,126,.08);
    color:var(--brand);
    border-left-color:var(--brand);
  }
  .nav-item.is-active{
    background:var(--card);
    border:1px solid var(--line);
    border-left:3px solid var(--brand);
    color:var(--ink-900);
    font-weight:700;
    box-shadow:var(--sh-1);
  }
  .nav-item.is-active svg{color:var(--brand);opacity:1}
  .nav-sep{height:1px;border-top:1px dashed var(--line);margin:10px 6px}

  .side-card{
    margin-top:auto;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:16px;
    padding:12px;
    box-shadow:var(--sh-1);
  }
  .side-card-thumb{
    position:relative;
    aspect-ratio:9/16;
    border-radius:12px;
    overflow:hidden;
    background:var(--ink-700);
  }
  .side-card-thumb img{width:100%;height:100%;object-fit:cover;object-position:center 30%}
  .side-card-thumb::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(15,20,23,0) 30%,rgba(15,20,23,.7) 100%);
  }
  .side-card-tag{
    position:absolute;left:8px;top:8px;z-index:2;
    background:var(--lime);color:var(--ink-900);
    font-size:11px;font-weight:700;letter-spacing:.06em;
    padding:2px 8px;border-radius:var(--r-pill);
  }
  .side-card-text{
    font-size:12.5px;line-height:1.6;color:var(--text-2);
    margin:10px 2px 8px;
  }
  .side-card-link{
    display:inline-flex;align-items:center;gap:4px;
    font-size:13px;font-weight:600;color:var(--brand);
    padding:2px;
  }
  .side-card-link:hover{text-decoration:underline;text-underline-offset:4px}

  .drawer-close{display:none}
  .drawer-overlay{display:none}

  /* ============ 主体区 ============ */
  .app-main{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column}
  .container{width:100%;max-width:1320px;margin:0 auto;padding:0 48px}

  .mobile-topbar{display:none}

  /* ============ 分类页头部 ============ */
  .page-head{padding:44px 0 8px}
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--text-3);margin-bottom:22px;
  }
  .breadcrumb a{color:var(--text-2)}
  .breadcrumb a:hover{color:var(--brand)}
  .breadcrumb .sep{color:var(--line)}
  .breadcrumb .current{color:var(--text-3)}

  .head-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:center}
  .eyebrow{
    display:inline-flex;align-items:center;gap:6px;
    background:var(--lime);color:var(--ink-900);
    font-size:12px;font-weight:700;letter-spacing:.08em;
    padding:4px 12px;border-radius:var(--r-pill);
    margin-bottom:16px;
  }
  h1.page-title{
    font-size:clamp(30px,4vw,46px);
    font-weight:800;letter-spacing:-.02em;line-height:1.16;
    color:var(--ink-900);
  }
  h1.page-title .hl{
    background:linear-gradient(180deg,transparent 62%,rgba(214,244,91,.75) 62%);
  }
  .page-sub{
    margin-top:16px;font-size:16.5px;line-height:1.8;color:var(--text-2);max-width:560px;
  }
  .head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 22px;
    border-radius:var(--r-btn);
    font-size:15px;font-weight:600;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  }
  .btn:active{transform:translateY(0)}
  .btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 20px -12px rgba(255,106,69,.9)}
  .btn-primary:hover{background:#ff5a33;color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -12px rgba(255,106,69,.75)}
  .btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
  .btn-ghost:hover{background:rgba(14,159,126,.08);border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}

  .head-visual{
    position:relative;border-radius:var(--r-lg);overflow:hidden;
    border:1px solid var(--line);
    background:var(--ink-700);
    box-shadow:var(--sh-1);
  }
  .head-visual img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center 40%}
  .head-visual::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(15,20,23,0) 42%,rgba(15,20,23,.78) 100%);
  }
  .head-visual-meta{
    position:absolute;left:18px;right:18px;bottom:16px;z-index:2;color:#fff;
  }
  .head-visual-meta .label{
    display:inline-block;font-size:11.5px;letter-spacing:.08em;font-weight:700;
    background:rgba(255,255,255,.16);padding:2px 10px;border-radius:var(--r-pill);margin-bottom:8px;
  }
  .head-visual-meta p{font-size:13.5px;line-height:1.6;color:rgba(255,255,255,.9)}
  .progress-track{
    position:absolute;left:18px;right:18px;bottom:0;height:3px;background:rgba(255,255,255,.22);z-index:3;
  }
  .progress-fill{height:100%;width:62%;background:var(--lime)}

  /* ============ 数据条 ============ */
  .stat-bar{
    display:grid;grid-template-columns:repeat(3,1fr);
    gap:0;margin-top:40px;
    border-top:1px dashed var(--line);
    padding-top:20px;
  }
  .stat-item{padding-right:20px}
  .stat-item + .stat-item{border-left:1px dashed var(--line);padding-left:24px}
  .stat-num{font-size:32px;font-weight:700;line-height:1.1;color:var(--ink-900);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
  .stat-num span{font-size:15px;font-weight:600;color:var(--text-3);margin-left:4px}
  .stat-label{font-size:12.5px;color:var(--text-3);margin-top:4px}

  /* ============ 锚点胶囊行 ============ */
  .chip-row{
    display:flex;flex-wrap:wrap;gap:10px;
    margin:32px 0 6px;
  }
  .chip{
    display:inline-flex;align-items:center;
    height:34px;padding:0 16px;
    border-radius:var(--r-pill);
    border:1px solid var(--line);
    background:var(--card);
    font-size:13.5px;color:var(--text-2);font-weight:500;
    transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .chip:hover{border-color:var(--brand);color:var(--brand);background:rgba(14,159,126,.07)}
  .chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}

  /* ============ 板块通用 ============ */
  .section{padding:56px 0}
  .section-tight{padding:36px 0}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
  .sec-title-wrap{display:flex;gap:12px}
  .sec-bar{width:4px;border-radius:2px;background:var(--brand);flex:0 0 auto;align-self:stretch;min-height:26px}
  .sec-title{font-size:clamp(24px,2.6vw,30px);font-weight:700;color:var(--ink-900);letter-spacing:-.01em}
  .sec-desc{font-size:14px;color:var(--text-3);margin-top:6px;line-height:1.7}
  .sec-link{font-size:13px;font-weight:600;color:var(--brand);white-space:nowrap;padding-bottom:4px}
  .sec-link:hover{text-decoration:underline;text-underline-offset:4px}

  /* ============ 时间轴清单 ============ */
  .timeline{position:relative;padding-left:0}
  .timeline::before{
    content:"";position:absolute;left:56px;top:10px;bottom:10px;
    border-left:1px dashed var(--line);
  }
  .tl-item{position:relative;padding-left:92px;margin-bottom:20px;scroll-margin-top:32px}
  .tl-num{
    position:absolute;left:0;top:22px;width:40px;text-align:right;
    font-size:20px;font-weight:700;color:var(--text-3);
    font-variant-numeric:tabular-nums;letter-spacing:-.01em;
    transition:color .2s var(--ease);
  }
  .tl-dot{
    position:absolute;left:50px;top:28px;width:13px;height:13px;
    border-radius:50%;background:var(--card);border:2px solid var(--brand);
    z-index:2;transition:transform .2s var(--ease),background .2s var(--ease);
  }
  .tl-item:hover .tl-dot{background:var(--brand);transform:scale(1.15)}
  .tl-item:hover .tl-num{color:var(--brand)}
  .tl-card{
    display:flex;gap:20px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:18px;
    box-shadow:var(--sh-1);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  }
  .tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#d9d0be}
  .tl-thumb{
    width:104px;height:104px;flex:0 0 auto;
    border-radius:12px;object-fit:cover;background:var(--paper);
    border:1px solid var(--line);
  }
  .tl-body{min-width:0;flex:1}
  .tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
  .pill{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;
    font-size:12px;border-radius:var(--r-pill);white-space:nowrap;
  }
  .pill-soft{background:var(--paper);color:var(--brand);font-weight:600;border:1px solid var(--line)}
  .pill-line{background:#fff;color:var(--text-2);border:1px solid var(--line)}
  .pill-hot{background:var(--coral);color:#fff;font-weight:600}
  .tl-title{font-size:17.5px;font-weight:600;color:var(--ink-900);line-height:1.5}
  .tl-title a{color:inherit}
  .tl-title a:hover{color:var(--brand)}
  .tl-text{
    font-size:14px;color:var(--text-2);line-height:1.75;margin-top:6px;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .tl-meta{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px;
    font-size:13px;color:var(--text-3);margin-top:10px;font-variant-numeric:tabular-nums;
  }
  .tl-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line)}
  .tl-arrow{
    flex:0 0 auto;align-self:center;color:var(--text-3);
    transition:transform .2s var(--ease),color .2s var(--ease);
  }
  .tl-card:hover .tl-arrow{transform:translateX(4px);color:var(--brand)}

  /* ============ 判断要点 ============ */
  .rules-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
  .rule{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:22px 22px 20px;box-shadow:var(--sh-1);
    display:flex;gap:16px;
    transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  }
  .rule:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
  .rule-idx{
    font-size:22px;font-weight:700;color:var(--brand);
    font-variant-numeric:tabular-nums;line-height:1.1;flex:0 0 auto;padding-top:2px;
  }
  .rule h3{font-size:17px;font-weight:600;color:var(--ink-900)}
  .rule p{font-size:14px;color:var(--text-2);line-height:1.8;margin-top:6px}

  /* ============ 小结卡 ============ */
  .summary-card{
    background:var(--paper);
    border:1px solid var(--line);
    border-left:4px solid var(--lime);
    border-radius:var(--r-card);
    padding:26px 28px;
    display:flex;gap:22px;align-items:flex-start;
    box-shadow:var(--sh-1);
  }
  .summary-card h3{font-size:18px;font-weight:700;color:var(--ink-900);margin-bottom:6px}
  .summary-card p{font-size:14.5px;color:var(--text-2);line-height:1.85}
  .summary-badge{
    flex:0 0 auto;
    font-size:12px;font-weight:700;letter-spacing:.08em;
    background:var(--ink-900);color:var(--lime);
    padding:6px 12px;border-radius:var(--r-pill);
  }

  /* ============ FAQ ============ */
  .faq-wrap{max-width:820px}
  .faq-item{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:16px;
    margin-bottom:12px;
    overflow:hidden;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  }
  .faq-item.is-open{
    background:#fff;
    border-left:3px solid var(--brand);
    box-shadow:var(--sh-2);
  }
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:64px;padding:16px 20px;text-align:left;
    font-size:16px;font-weight:600;color:var(--ink-900);
  }
  .faq-q:hover{color:var(--brand)}
  .faq-icon{
    flex:0 0 auto;width:22px;height:22px;position:relative;
    border:1.5px solid var(--line);border-radius:6px;
    transition:border-color .2s var(--ease),background .2s var(--ease);
  }
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--text-2);border-radius:2px;
    transition:transform .22s var(--ease),background .2s var(--ease),opacity .22s var(--ease);
  }
  .faq-icon::before{left:50%;top:5px;bottom:5px;width:1.5px;transform:translateX(-50%)}
  .faq-icon::after{top:50%;left:5px;right:5px;height:1.5px;transform:translateY(-50%)}
  .faq-item.is-open .faq-icon{border-color:var(--brand);background:rgba(14,159,126,.1)}
  .faq-item.is-open .faq-icon::before{opacity:0;transform:translateX(-50%) rotate(90deg)}
  .faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--brand)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
  .faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--text-2)}

  /* ============ CTA ============ */
  .cta-band{padding:0 0 64px}
  .cta-inner{
    background:var(--ink-900);
    border-radius:var(--r-lg);
    padding:44px 44px;
    display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center;
    position:relative;overflow:hidden;
  }
  .cta-inner::after{
    content:"";position:absolute;right:-60px;bottom:-70px;width:230px;height:400px;
    border:1px solid rgba(255,255,255,.16);border-radius:26px;
    transform:rotate(8deg);opacity:.5;pointer-events:none;
  }
  .cta-inner h2{
    color:#fff;font-size:clamp(22px,2.6vw,28px);font-weight:800;letter-spacing:-.01em;line-height:1.3;
    position:relative;z-index:2;
  }
  .cta-sub{color:#A9B4B6;font-size:14.5px;line-height:1.8;margin-top:10px;position:relative;z-index:2}
  .cta-checks{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:20px;position:relative;z-index:2}
  .cta-check{display:flex;align-items:center;gap:8px;font-size:14px;color:#E6EBEB}
  .cta-check svg{color:var(--lime);flex:0 0 auto}
  .cta-right{position:relative;z-index:2;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
  .cta-right .btn{height:52px;width:100%;justify-content:center}
  .cta-note{font-size:12px;color:#8C9598;line-height:1.6}

  /* ============ 分类互链 ============ */
  .cat-strip{padding:0 0 56px}
  .cat-strip-inner{
    border-top:1px dashed var(--line);padding-top:26px;
    display:flex;flex-wrap:wrap;gap:12px;align-items:center;
  }
  .cat-strip-label{font-size:13px;color:var(--text-3);margin-right:6px}
  .cat-pill{
    display:inline-flex;align-items:center;height:38px;padding:0 18px;
    border-radius:var(--r-pill);border:1px solid var(--line);background:var(--card);
    font-size:14px;color:var(--text-2);font-weight:500;
    transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
  }
  .cat-pill:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
  .cat-pill.is-current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--ink-900);color:#C8D0D2;
    padding:60px 0 34px;margin-top:auto;
  }
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
  .footer-brand{
    display:flex;align-items:center;gap:10px;
    font-size:17px;font-weight:800;color:#fff;letter-spacing:-.01em;
  }
  .footer-brand svg{color:var(--lime)}
  .footer-text{font-size:14px;line-height:1.85;color:#9BA6A9;margin-top:14px;max-width:340px}
  .footer-col-title{font-size:13px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:14px}
  .footer-list{display:flex;flex-direction:column;gap:10px;font-size:14px;color:#9BA6A9}
  .footer-list a{color:#9BA6A9}
  .footer-list a:hover{color:var(--lime)}
  .footer-bottom{
    margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
    font-size:12.5px;color:#8C9598;
  }
  .footer-bottom a{color:#B9C3C5}
  .footer-bottom a:hover{color:var(--lime)}
  .footer-disclaimer{
    flex-basis:100%;font-size:12px;line-height:1.8;color:#768183;margin-top:4px;
  }

  /* ============ 响应式 ============ */
  @media (max-width:1279px){
    :root{--side-w:200px}
    .container{padding:0 36px}
    .head-grid{gap:32px}
  }
  @media (max-width:1023px){
    .sidebar{
      width:280px;transform:translateX(-100%);
      transition:transform .26s var(--ease);
      box-shadow:0 0 40px rgba(15,20,23,.2);
      padding-top:20px;
    }
    .sidebar.is-open{transform:translateX(0)}
    .drawer-close{
      display:inline-flex;align-items:center;justify-content:center;
      position:absolute;top:16px;right:14px;width:34px;height:34px;
      border:1px solid var(--line);border-radius:10px;background:var(--card);
      color:var(--text-2);
    }
    .drawer-close:hover{color:var(--brand);border-color:var(--brand)}
    .drawer-overlay{
      display:block;position:fixed;inset:0;background:rgba(15,20,23,.5);
      opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s;
      z-index:55;
    }
    .drawer-overlay.is-on{opacity:1;visibility:visible}
    .app-main{margin-left:0}
    .mobile-topbar{
      display:flex;align-items:center;justify-content:space-between;
      height:56px;padding:0 18px;position:sticky;top:0;z-index:50;
      background:rgba(246,242,234,.94);backdrop-filter:blur(8px);
      border-bottom:1px solid var(--line);
    }
    .mobile-brand{
      display:flex;align-items:center;gap:8px;
      font-size:16px;font-weight:800;color:var(--ink-900);
    }
    .mobile-brand svg{color:var(--brand)}
    .menu-btn{
      display:inline-flex;align-items:center;justify-content:center;
      width:38px;height:38px;border:1px solid var(--line);border-radius:10px;
      background:var(--card);color:var(--ink-900);
    }
    .menu-btn:hover{border-color:var(--brand);color:var(--brand)}
    .container{padding:0 28px}
    .head-grid{grid-template-columns:1fr;gap:28px}
    .head-visual img{aspect-ratio:16/9}
    .rules-grid{grid-template-columns:1fr}
    .cta-inner{grid-template-columns:1fr;padding:34px 28px;gap:24px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  }
  @media (max-width:767px){
    body{font-size:16px}
    .container{padding:0 18px}
    .page-head{padding:26px 0 4px}
    .section{padding:40px 0}
    .stat-bar{grid-template-columns:1fr;gap:0}
    .stat-item{padding:12px 0;border-bottom:1px dashed var(--line)}
    .stat-item + .stat-item{border-left:0;padding-left:0}
    .stat-item:last-child{border-bottom:0}
    .timeline::before{left:9px}
    .tl-item{padding-left:34px;margin-bottom:16px}
    .tl-num{display:none}
    .tl-dot{left:3px;top:26px;width:11px;height:11px}
    .tl-card{padding:14px;gap:14px;flex-wrap:wrap}
    .tl-thumb{width:76px;height:76px}
    .tl-arrow{display:none}
    .tl-title{font-size:16px}
    .sec-head{flex-direction:column;align-items:flex-start;gap:8px}
    .summary-card{flex-direction:column;gap:12px;padding:22px}
    .faq-q{font-size:15px;min-height:58px;padding:14px 16px}
    .faq-a p{padding:0 16px 16px;font-size:14.5px}
    .cta-inner h2{font-size:22px}
    .btn{height:46px;font-size:14.5px}
    .head-actions .btn{width:100%}
    .footer-grid{grid-template-columns:1fr;gap:26px}
    .footer-bottom{flex-direction:column;gap:8px}
  }
  @media (max-width:520px){
    .brand-text{font-size:16px}
    .cta-checks{flex-direction:column;gap:8px}
    .tl-tags .pill-line{display:none}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  }

/* roulang page: category3 */
:root{
    --ink-900:#0F1417;
    --ink-700:#1C2429;
    --brand:#0E9F7E;
    --brand-dark:#0B8065;
    --paper:#F6F2EA;
    --card:#FFFFFF;
    --line:#E6DFD2;
    --text:#151A1D;
    --text-2:#5A6569;
    --text-3:#8C9598;
    --lime:#D6F45B;
    --coral:#FF6A45;
    --r-card:18px;
    --r-lg:22px;
    --r-btn:12px;
    --shadow-1:0 1px 2px rgba(15,20,23,.06);
    --shadow-2:0 12px 28px -12px rgba(15,20,23,.18);
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto}
  body a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
  body a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:4px}
  button{font:inherit;color:inherit;cursor:pointer;background:none;border:none}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
  ::selection{background:var(--lime);color:var(--ink-900)}
  .num{font-variant-numeric:tabular-nums;letter-spacing:.01em}

  /* ---------- 布局骨架 ---------- */
  .main{margin-left:240px;min-height:100vh;display:flex;flex-direction:column}
  .container{width:100%;max-width:1120px;margin:0 auto;padding:0 40px}
  main{flex:1 1 auto}

  /* ---------- 左侧导航 ---------- */
  .app-side{
    position:fixed;top:0;left:0;bottom:0;width:240px;z-index:80;
    display:flex;flex-direction:column;gap:18px;
    padding:20px 16px;
    background:var(--paper);
    border-right:1px solid var(--line);
    overflow-y:auto;
  }
  .brand{
    display:flex;align-items:center;gap:10px;
    font-size:17px;font-weight:800;letter-spacing:-.01em;
    color:var(--ink-900);padding:4px 6px;
  }
  .brand svg{flex:none;color:var(--brand)}
  .brand:hover{text-decoration:none;color:var(--ink-900)}
  .nav-list{display:flex;flex-direction:column;gap:2px}
  .nav-item{
    position:relative;display:flex;align-items:center;gap:10px;
    height:44px;padding:0 12px;border-radius:12px;
    font-size:14.5px;font-weight:500;color:var(--text-2);
    border:1px solid transparent;
    transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .nav-item svg{flex:none;color:var(--text-3);transition:color .2s var(--ease)}
  .nav-item:hover{background:rgba(14,159,126,.08);color:var(--ink-900);text-decoration:none}
  .nav-item:hover svg{color:var(--brand)}
  .nav-item:hover::before,
  .nav-item.is-active::before{
    content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;
    border-radius:3px;background:var(--brand);
  }
  .nav-item.is-active{
    background:var(--card);border-color:var(--line);
    color:var(--ink-900);font-weight:700;
  }
  .nav-item.is-active svg{color:var(--brand)}
  .side-promo{
    margin-top:auto;display:flex;gap:10px;align-items:center;
    background:var(--card);border:1px solid var(--line);border-radius:16px;
    padding:12px;box-shadow:var(--shadow-1);
  }
  .side-promo img{width:44px;height:78px;border-radius:8px;object-fit:cover;flex:none}
  .side-promo p{margin:0;font-size:12.5px;line-height:1.55;color:var(--text-2)}
  .side-promo-link{display:inline-block;margin-top:6px;font-size:12.5px;font-weight:600}

  /* ---------- 移动端顶栏与抽屉 ---------- */
  .mobile-bar{
    display:none;position:sticky;top:0;z-index:70;height:56px;
    align-items:center;justify-content:space-between;
    padding:0 16px;
    background:rgba(246,242,234,.95);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .mobile-bar .brand{font-size:16px;padding:0;gap:8px}
  .burger{
    width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
    background:var(--card);display:flex;align-items:center;justify-content:center;color:var(--ink-900);
  }
  .burger:hover{border-color:var(--brand);color:var(--brand)}
  .drawer{
    position:fixed;top:0;left:0;bottom:0;width:280px;z-index:95;
    background:var(--paper);border-right:1px solid var(--line);
    padding:20px 16px;display:flex;flex-direction:column;gap:18px;
    transform:translateX(-102%);
    transition:transform .24s var(--ease);
    overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
  .drawer-close{
    width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
    background:var(--card);display:flex;align-items:center;justify-content:center;color:var(--text-2);
  }
  .drawer-close:hover{color:var(--brand);border-color:var(--brand)}
  .drawer-mask{
    position:fixed;inset:0;z-index:90;background:rgba(15,20,23,.5);
    opacity:0;pointer-events:none;transition:opacity .24s var(--ease);
  }
  .drawer-mask.is-show{opacity:1;pointer-events:auto}
  body.is-lock{overflow:hidden}

  /* ---------- 页面头部 ---------- */
  .page-head{padding:56px 0 34px;border-bottom:1px solid var(--line)}
  .crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
  .crumb a{color:var(--text-3)}
  .crumb a:hover{color:var(--brand)}
  .page-title{
    display:flex;flex-wrap:wrap;align-items:baseline;gap:14px;
    margin:0 0 14px;
    font-size:clamp(30px,4.2vw,48px);line-height:1.15;font-weight:800;
    letter-spacing:-.02em;color:var(--ink-900);
  }
  .title-brand{
    font-size:15px;font-weight:700;letter-spacing:.02em;
    color:var(--brand);background:var(--card);
    border:1px solid var(--line);border-radius:999px;
    padding:5px 14px;line-height:1.4;
  }
  .page-sub{max-width:660px;margin:0 0 26px;font-size:16px;line-height:1.8;color:var(--text-2)}
  .chip-row{display:flex;flex-wrap:wrap;gap:10px}
  .chip{
    display:inline-flex;align-items:center;height:36px;padding:0 16px;
    border-radius:999px;border:1px solid var(--line);background:var(--card);
    font-size:13.5px;font-weight:500;color:var(--text-2);
    transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
  }
  .chip:hover{
    background:rgba(14,159,126,.07);border-color:var(--brand);
    color:var(--brand);text-decoration:none;transform:translateY(-1px);
  }
  .chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
  .chip.is-on:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}

  /* ---------- 板块与标题 ---------- */
  .section{padding:60px 0}
  .section-tight{padding-top:16px}
  .sec-head{
    display:flex;align-items:flex-end;justify-content:space-between;
    gap:24px;flex-wrap:wrap;margin-bottom:28px;
  }
  .eyebrow{
    margin:0 0 8px;font-size:12px;font-weight:700;letter-spacing:.09em;
    color:var(--brand);text-transform:uppercase;
  }
  .sec-title{
    margin:0;font-size:clamp(23px,2.8vw,30px);line-height:1.3;
    font-weight:700;letter-spacing:-.01em;color:var(--ink-900);
  }
  .sec-meta{font-size:13px;color:var(--text-3)}
  .sec-link{font-size:13.5px;font-weight:600;color:var(--brand)}
  .sec-link:hover{text-decoration:underline;text-underline-offset:4px}

  /* ---------- 主推大卡 ---------- */
  .feature{
    display:grid;grid-template-columns:1fr 1fr;
    background:var(--card);border:1px solid var(--line);
    border-radius:var(--r-lg);overflow:hidden;
    box-shadow:var(--shadow-1);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  }
  .feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
  .feature-media{display:block;overflow:hidden;position:relative;background:var(--ink-900)}
  .feature-media img{
    width:100%;height:100%;aspect-ratio:16/11;object-fit:cover;
    transition:transform .34s var(--ease);
  }
  .feature:hover .feature-media img{transform:scale(1.03)}
  .feature-body{
    padding:34px;display:flex;flex-direction:column;
    gap:14px;justify-content:center;
  }
  .pill{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;
    border-radius:999px;background:var(--paper);color:var(--brand);
    font-size:12px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
  }
  .pill-ghost{background:transparent;border:1px solid var(--line);color:var(--text-2);font-weight:500}
  .feature-title{
    margin:0;font-size:clamp(21px,2.3vw,27px);line-height:1.4;
    font-weight:700;letter-spacing:-.01em;
  }
  .feature-title a{color:var(--ink-900)}
  .feature:hover .feature-title a{color:var(--brand);text-decoration:none}
  .feature-desc{margin:0;font-size:15px;line-height:1.85;color:var(--text-2)}
  .meta-row{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--text-3);
    font-variant-numeric:tabular-nums;
  }
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
  .link-arrow svg{transition:transform .2s var(--ease)}
  .link-arrow:hover svg{transform:translateX(3px)}

  /* ---------- 图文宽卡网格 ---------- */
  .card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .post-card{
    display:flex;flex-direction:column;
    background:var(--card);border:1px solid var(--line);
    border-radius:var(--r-card);overflow:hidden;
    box-shadow:var(--shadow-1);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  }
  .post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
  .post-media{display:block;overflow:hidden;position:relative;background:var(--ink-900)}
  .post-media img{
    width:100%;aspect-ratio:16/9;object-fit:cover;
    transition:transform .32s var(--ease);
  }
  .post-card:hover .post-media img{transform:scale(1.03)}
  .post-body{padding:20px 22px 18px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
  .tag-row{display:flex;flex-wrap:wrap;gap:8px}
  .post-title{margin:0;font-size:19px;line-height:1.45;font-weight:600}
  .post-title a{color:var(--ink-900)}
  .post-card:hover .post-title a{color:var(--brand);text-decoration:none}
  .post-desc{
    margin:0;font-size:14px;line-height:1.8;color:var(--text-2);
    display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  }
  .post-foot{
    margin-top:auto;display:flex;align-items:center;justify-content:space-between;
    gap:12px;padding-top:12px;border-top:1px dashed var(--line);
  }
  .post-foot .meta-row{font-size:12.5px}
  .read-dot{
    display:inline-flex;align-items:center;justify-content:center;
    width:30px;height:30px;border-radius:999px;border:1px solid var(--line);
    color:var(--text-3);flex:none;
    transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
  }
  .post-card:hover .read-dot{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateX(2px)}

  /* ---------- 深色节奏带 ---------- */
  .band-dark{
    position:relative;overflow:hidden;
    background:var(--ink-900);color:#fff;
    padding:72px 0;margin:26px 0;
  }
  .band-dark::before{
    content:"";position:absolute;inset:0;
    background-image:url("/assets/images/backpic/back-2.webp");
    background-position:center;background-size:cover;
    opacity:.2;
  }
  .band-dark .container{position:relative;z-index:1}
  .band-head{max-width:720px;margin-bottom:34px}
  .band-head .eyebrow{color:var(--lime)}
  .band-title{
    margin:0;font-size:clamp(23px,2.8vw,30px);line-height:1.3;
    font-weight:700;letter-spacing:-.01em;color:#fff;
  }
  .band-sub{margin:12px 0 0;font-size:15px;line-height:1.85;color:rgba(255,255,255,.66)}
  .phase-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
  .phase{
    background:rgba(255,255,255,.045);
    border:1px solid rgba(255,255,255,.11);
    border-radius:16px;padding:20px 18px;
    transition:transform .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
  }
  .phase:hover{transform:translateY(-4px);background:rgba(255,255,255,.075);border-color:rgba(214,244,91,.42)}
  .phase-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
  .phase-num{
    font-size:22px;font-weight:700;color:var(--lime);
    font-variant-numeric:tabular-nums;letter-spacing:.02em;
  }
  .phase-tag{
    font-size:12px;color:rgba(255,255,255,.6);
    border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:2px 10px;
  }
  .phase-name{margin:12px 0 8px;font-size:17px;font-weight:600;color:#fff}
  .phase-text{margin:0 0 16px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.64)}
  .bar{height:6px;border-radius:999px;background:rgba(255,255,255,.13);overflow:hidden}
  .bar span{display:block;height:100%;border-radius:999px;background:var(--lime)}

  /* ---------- 编号清单 ---------- */
  .note-list{list-style:none;margin:0;padding:0;border-top:1px dashed var(--line)}
  .note-list li{
    display:grid;grid-template-columns:64px 1fr 30px;align-items:center;gap:16px;
    padding:20px 16px;border-bottom:1px dashed var(--line);
    transition:background .2s var(--ease),transform .2s var(--ease);
  }
  .note-list li:hover{background:var(--card);transform:translateX(4px)}
  .note-num{
    font-size:26px;font-weight:700;line-height:1;
    color:transparent;-webkit-text-stroke:1px var(--text-3);
    font-variant-numeric:tabular-nums;
  }
  .note-list li:hover .note-num{-webkit-text-stroke:0;color:var(--brand)}
  .note-body h3{margin:0 0 4px;font-size:17px;font-weight:600;color:var(--ink-900)}
  .note-body p{margin:0;font-size:14px;line-height:1.8;color:var(--text-2)}
  .note-arrow{font-size:16px;color:var(--text-3);text-align:right;transition:color .2s var(--ease),transform .2s var(--ease)}
  .note-list li:hover .note-arrow{color:var(--brand);transform:translateX(2px)}

  /* ---------- 分类互链 ---------- */
  .section-cats{padding:48px 0 8px}
  .cats-title{margin:0 0 18px;font-size:18px;font-weight:700;color:var(--ink-900)}

  /* ---------- CTA ---------- */
  .cta-wrap{padding:36px 0 72px}
  .cta{
    position:relative;overflow:hidden;
    display:grid;grid-template-columns:1.3fr .7fr;gap:34px;align-items:center;
    background:var(--ink-900);color:#fff;
    border-radius:var(--r-lg);padding:42px;
  }
  .cta::after{
    content:"";position:absolute;right:-46px;bottom:-70px;
    width:200px;height:340px;border-radius:22px;
    border:1px solid rgba(255,255,255,.13);
    transform:rotate(-8deg);pointer-events:none;
  }
  .cta-title{margin:0;font-size:clamp(22px,2.6vw,28px);line-height:1.3;font-weight:700;color:#fff}
  .cta-sub{margin:12px 0 0;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.68)}
  .check-list{list-style:none;margin:20px 0 0;padding:0;display:flex;flex-direction:column;gap:10px}
  .check-list li{
    display:flex;gap:10px;align-items:flex-start;
    font-size:14px;line-height:1.7;color:rgba(255,255,255,.9);
  }
  .check-list li::before{
    content:"✓";flex:none;width:18px;height:18px;margin-top:3px;
    display:inline-flex;align-items:center;justify-content:center;
    font-size:12px;font-weight:700;color:var(--ink-900);
    background:var(--lime);border-radius:5px;
  }
  .cta-action{position:relative;z-index:1}
  .cta-note{margin:12px 0 0;font-size:12.5px;color:rgba(255,255,255,.55);text-align:center}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:var(--r-btn);
    font-size:15px;font-weight:700;border:1px solid transparent;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .btn-coral{
    background:var(--coral);color:#fff;
    box-shadow:0 10px 22px -12px rgba(255,106,69,.85);
  }
  .btn-coral:hover{
    color:#fff;text-decoration:none;transform:translateY(-2px);
    box-shadow:0 16px 28px -12px rgba(255,106,69,.95);
  }
  .btn-coral:active{transform:translateY(0)}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
  .btn-ghost:hover{background:rgba(14,159,126,.08);border-color:var(--brand);color:var(--brand);text-decoration:none}
  .btn-lg{height:52px;font-size:15.5px}

  /* ---------- 页脚 ---------- */
  .site-footer{
    margin-top:auto;background:var(--ink-900);color:rgba(255,255,255,.72);
    padding:64px 0 28px;
  }
  .footer-grid{
    display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:32px;
    padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12);
  }
  .footer-brand{
    display:flex;align-items:center;gap:10px;
    margin-bottom:14px;font-size:17px;font-weight:800;color:#fff;
  }
  .footer-brand svg{color:var(--brand);flex:none}
  .footer-text{margin:0;max-width:330px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62)}
  .footer-col-title{
    margin-bottom:14px;font-size:13px;font-weight:700;
    letter-spacing:.08em;color:#fff;
  }
  .footer-list{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.68)}
  .footer-list a{color:rgba(255,255,255,.68)}
  .footer-list a:hover{color:var(--lime);text-decoration:none}
  .footer-bottom{
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
    padding-top:24px;font-size:13px;color:rgba(255,255,255,.55);
  }
  .footer-bottom a{color:rgba(255,255,255,.72)}
  .footer-bottom a:hover{color:var(--lime)}
  .footer-disclaimer{
    width:100%;margin:8px 0 0;font-size:12px;line-height:1.8;color:rgba(255,255,255,.45);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1279px){
    .app-side{width:200px}
    .main{margin-left:200px}
    .container{padding:0 32px}
    .feature-body{padding:28px}
  }
  @media (max-width:1023px){
    .app-side{display:none}
    .main{margin-left:0}
    .mobile-bar{display:flex}
    .container{padding:0 24px}
    .page-head{padding:40px 0 28px}
    .feature{grid-template-columns:1fr}
    .feature-media img{aspect-ratio:16/9}
    .feature-body{padding:26px}
    .phase-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .cta{grid-template-columns:1fr;padding:32px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  }
  @media (max-width:767px){
    .container{padding:0 18px}
    .section{padding:44px 0}
    .band-dark{padding:48px 0}
    .card-grid{grid-template-columns:1fr;gap:18px}
    .phase-grid{grid-template-columns:1fr}
    .page-title{font-size:30px}
    .title-brand{font-size:13px;padding:4px 12px}
    .page-sub{font-size:15px}
    .cta{padding:26px;gap:24px}
    .cta-wrap{padding:24px 0 52px}
    .btn{width:100%}
    .cta-action .btn{width:100%}
    .note-list li{grid-template-columns:44px 1fr;gap:12px;padding:18px 10px}
    .note-arrow{display:none}
    .note-num{font-size:22px}
    .footer-grid{grid-template-columns:1fr;gap:24px}
    .footer-bottom{flex-direction:column;gap:8px}
    .sec-head{align-items:flex-start;gap:12px}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  }
  @media (prefers-reduced-motion:reduce){
    .feature:hover,.post-card:hover,.phase:hover,.note-list li:hover{transform:none}
  }

/* roulang page: category4 */
:root{
    --ink-900:#0F1417;
    --ink-700:#1C2429;
    --brand:#0E9F7E;
    --brand-dark:#0B8468;
    --paper:#F6F2EA;
    --card:#FFFFFF;
    --line:#E6DFD2;
    --text:#151A1D;
    --text-2:#5A6569;
    --text-3:#8C9598;
    --lime:#D6F45B;
    --coral:#FF6A45;
    --r-card:18px;
    --r-lg:22px;
    --r-btn:12px;
    --shadow-1:0 1px 2px rgba(15,20,23,.06);
    --shadow-2:0 12px 28px -12px rgba(15,20,23,.18);
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    background:var(--paper);
    color:var(--text);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%}
  a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
  a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
  button{font-family:inherit;font-size:inherit}
  h1,h2,h3,h4,p{margin:0}
  ul,ol{margin:0}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
  .app{display:flex;min-height:100vh}
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;width:240px;
    background:var(--paper);border-right:1px solid var(--line);
    padding:20px;display:flex;flex-direction:column;gap:18px;
    overflow-y:auto;z-index:60;
  }
  .sidebar-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
  .brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;line-height:1.2}
  .brand:hover{color:var(--ink-900);text-decoration:none}
  .brand svg{flex:0 0 auto;color:var(--brand)}
  .brand--sm{font-size:16px}
  .sidebar-close{display:none;width:32px;height:32px;border:1px solid var(--line);background:var(--card);border-radius:10px;color:var(--text-2);cursor:pointer;align-items:center;justify-content:center}
  .nav-list{display:flex;flex-direction:column;gap:4px}
  .nav-item{
    position:relative;display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;
    border-radius:12px;border:1px solid transparent;
    font-size:14px;font-weight:500;color:var(--text-2);
    transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .nav-item::before{
    content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;
    background:transparent;transition:background .2s var(--ease);
  }
  .nav-item:hover{background:rgba(14,159,126,.08);color:var(--ink-900);text-decoration:none}
  .nav-item:hover::before{background:var(--brand)}
  .nav-item.is-active{background:var(--card);border-color:var(--line);color:var(--ink-900);font-weight:700}
  .nav-item.is-active::before{background:var(--brand)}
  .nav-sep{border-top:1px dashed var(--line);margin:4px 0}
  .side-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px;display:flex;gap:12px;box-shadow:var(--shadow-1);margin-top:auto}
  .side-card-img{width:72px;height:128px;object-fit:cover;border-radius:10px;flex:0 0 72px;background:var(--line)}
  .side-card-title{font-size:13.5px;font-weight:700;color:var(--ink-900);line-height:1.5}
  .side-card-text{font-size:12.5px;color:var(--text-3);line-height:1.65;margin-top:6px}
  .side-card-link{display:inline-block;font-size:12.5px;font-weight:600;margin-top:8px}
  .drawer-mask{display:none}
  .main{margin-left:240px;flex:1;min-width:0;display:flex;flex-direction:column}
  .container{width:100%;max-width:1320px;margin:0 auto;padding:0 40px}
  .mobile-topbar{display:none}
  .section{padding:72px 0}
  .section--paper{background:var(--paper)}
  .section--card{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .section--tight{padding:56px 0}
  .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding:28px 0 0;flex-wrap:wrap}
  .crumb a{color:var(--text-3)}
  .crumb a:hover{color:var(--brand);text-decoration:none}
  .crumb span{color:var(--text-2)}
  .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding-top:26px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;background:var(--lime);color:var(--ink-900);
    font-size:12px;font-weight:700;letter-spacing:.08em;padding:6px 14px;border-radius:999px;
  }
  h1{
    font-size:clamp(30px,3.4vw,48px);line-height:1.15;font-weight:800;letter-spacing:-.02em;
    color:var(--ink-900);margin-top:18px;max-width:16em;
  }
  .hero-sub{font-size:17px;color:var(--text-2);max-width:32em;margin-top:18px;line-height:1.8}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
  .hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);aspect-ratio:4/3}
  .hero-media img{width:100%;height:100%;object-fit:cover;object-position:center}
  .hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,20,23,0) 42%,rgba(15,20,23,.72) 100%)}
  .media-tag{position:absolute;left:18px;bottom:16px;z-index:2;color:#fff;font-size:13px;display:flex;align-items:center;gap:8px}
  .media-tag i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}
  .pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:24px;border-top:1px dashed var(--line)}
  .pill{
    display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
    border:1px solid var(--line);background:var(--card);color:var(--text-2);font-size:13px;font-weight:500;
    transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .pill:hover{border-color:var(--brand);color:var(--brand);text-decoration:none}
  .pill.is-on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
  .pill.is-on:hover{color:#fff}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
  h2{
    position:relative;padding-left:16px;font-size:clamp(23px,2.2vw,30px);line-height:1.32;
    font-weight:700;color:var(--ink-900);letter-spacing:-.01em;
  }
  h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:3px;background:var(--brand)}
  .sec-sub{font-size:14px;color:var(--text-3);margin-top:10px;padding-left:16px;max-width:46em;line-height:1.75}
  .link-more{font-size:13px;font-weight:600;white-space:nowrap}
  .compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .compare-card{
    position:relative;display:flex;flex-direction:column;background:var(--card);
    border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);
    overflow:hidden;transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  }
  .compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
  .compare-card.is-pick::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--lime);z-index:2}
  .cc-head{padding:22px 22px 18px;background:var(--paper);border-bottom:2px solid var(--brand)}
  .cc-title{font-size:18px;font-weight:700;color:var(--ink-900);line-height:1.4;padding-right:52px}
  .cc-desc{font-size:13px;color:var(--text-2);line-height:1.7;margin-top:6px}
  .badge-pick{
    position:absolute;top:16px;right:16px;background:var(--lime);color:var(--ink-900);
    font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;line-height:1.6;
  }
  .cc-rows{padding:6px 22px 20px;flex:1}
  .cc-row{display:flex;flex-direction:column;gap:2px;padding:12px 0;border-bottom:1px dashed var(--line)}
  .cc-row:last-child{border-bottom:0}
  .cc-label{font-size:13px;color:var(--text-3)}
  .cc-val{font-size:16px;color:var(--ink-900);font-weight:600;line-height:1.6}
  .cc-foot{padding:0 22px 22px}
  .list-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
  .info-card{
    display:flex;gap:18px;background:var(--card);border:1px solid var(--line);
    border-radius:var(--r-card);padding:18px;box-shadow:var(--shadow-1);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  }
  .info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
  .info-thumb{width:72px;height:72px;border-radius:12px;object-fit:cover;flex:0 0 72px;background:var(--line)}
  .info-title{font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.45}
  .info-text{font-size:13.5px;color:var(--text-2);line-height:1.72;margin-top:6px}
  .info-meta{font-size:12.5px;color:var(--text-3);margin-top:10px;display:flex;gap:8px;align-items:center}
  .info-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block}
  .route{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px dashed var(--line);margin-top:8px}
  .route-item{position:relative;padding:30px 24px 0 0}
  .route-item::before{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--card)}
  .route-num{font-size:28px;font-weight:700;color:var(--brand);letter-spacing:.02em}
  .route-title{font-size:17px;font-weight:600;color:var(--ink-900);margin-top:6px}
  .route-text{font-size:13.5px;color:var(--text-2);line-height:1.75;margin-top:6px}
  .faq{max-width:820px}
  .faq-item{
    background:var(--card);border:1px solid var(--line);border-radius:16px;
    margin-bottom:12px;overflow:hidden;transition:box-shadow .22s var(--ease);
  }
  .faq-item:hover{box-shadow:var(--shadow-1)}
  .faq-item.is-open{box-shadow:inset 3px 0 0 var(--brand)}
  .faq-q{
    width:100%;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;background:none;border:0;text-align:left;cursor:pointer;
    font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.5;
    transition:color .2s var(--ease);
  }
  .faq-q:hover{color:var(--brand)}
  .faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
  .faq-icon::before{left:0;right:0;top:7.25px;height:1.5px}
  .faq-icon::after{top:0;bottom:0;left:7.25px;width:1.5px}
  .faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease)}
  .faq-a-inner{padding:0 22px 22px;font-size:15px;color:var(--text-2);line-height:1.85}
  .narrow-cta{
    display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:28px 32px;box-shadow:var(--shadow-1);
  }
  .narrow-cta h3{font-size:20px;font-weight:700;color:var(--ink-900);line-height:1.4}
  .narrow-cta p{font-size:14px;color:var(--text-2);margin-top:6px}
  .cat-links{display:flex;flex-wrap:wrap;gap:10px}
  .cat-link{
    display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;
    border:1px solid var(--line);background:var(--card);color:var(--text-2);
    font-size:13.5px;font-weight:500;transition:all .2s var(--ease);
  }
  .cat-link:hover{border-color:var(--brand);color:var(--brand);text-decoration:none}
  .cat-link.is-cur{background:var(--ink-900);border-color:var(--ink-900);color:#fff;font-weight:600}
  .cat-link.is-cur:hover{color:#fff}
  .band-dark{background:var(--ink-900);color:#fff;padding:72px 0}
  .cta-card{
    position:relative;overflow:hidden;background:var(--ink-700);border-radius:var(--r-lg);
    padding:40px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
  }
  .cta-card::after{
    content:"";position:absolute;right:-40px;bottom:-60px;width:180px;height:320px;
    border:1px solid rgba(255,255,255,.12);border-radius:20px;transform:rotate(8deg);pointer-events:none;
  }
  .cta-card h2{color:#fff;padding-left:0}
  .cta-card h2::before{display:none}
  .cta-text{color:rgba(255,255,255,.72);font-size:15px;margin-top:12px;line-height:1.8;max-width:40em}
  .cta-list{list-style:none;padding:0;margin:20px 0 0;display:flex;flex-wrap:wrap;gap:18px}
  .cta-list li{display:flex;align-items:center;gap:8px;font-size:14px;color:#fff}
  .cta-list svg{color:var(--lime);flex:0 0 auto}
  .cta-side{position:relative;z-index:2;display:flex;flex-direction:column;align-items:flex-start;gap:10px}
  .cta-note{font-size:12px;color:rgba(255,255,255,.55)}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
    font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .btn:hover{text-decoration:none}
  .btn-primary{background:var(--coral);color:#fff}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 24px -12px rgba(255,106,69,.8);color:#fff}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-900)}
  .btn-ghost:hover{border-color:var(--brand);background:rgba(14,159,126,.08);color:var(--ink-900);transform:translateY(-2px)}
  .btn-ghost:active{transform:translateY(0)}
  .btn-lg{height:52px;padding:0 28px}
  .site-footer{background:var(--ink-900);color:#fff;padding:64px 0 32px}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;line-height:1.3}
  .footer-brand svg{color:var(--lime);flex:0 0 auto}
  .footer-text{font-size:14px;color:rgba(255,255,255,.66);line-height:1.8;margin-top:14px;max-width:32em}
  .footer-col-title{font-size:13px;font-weight:700;letter-spacing:.06em;color:#fff;margin-bottom:14px}
  .footer-list{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.66);line-height:1.7}
  .footer-list a{color:rgba(255,255,255,.66)}
  .footer-list a:hover{color:var(--lime);text-decoration:none}
  .footer-bottom{
    margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.55);
  }
  .footer-bottom a{color:rgba(255,255,255,.78)}
  .footer-bottom a:hover{color:var(--lime)}
  .footer-disclaimer{flex-basis:100%;margin:0;font-size:12px;color:rgba(255,255,255,.45);line-height:1.75}
  @media (max-width:1279px){
    .sidebar{width:200px;padding:18px}
    .main{margin-left:200px}
    .container{padding:0 28px}
    .compare-grid{gap:16px}
    .cc-head{padding:18px 18px 16px}
    .cc-rows{padding:4px 18px 18px}
    .cc-foot{padding:0 18px 18px}
  }
  @media (max-width:1199px){
    .compare-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1fr 1fr}
  }
  @media (max-width:1023px){
    .sidebar{
      width:280px;transform:translateX(-100%);
      transition:transform .26s var(--ease);
      box-shadow:0 12px 40px rgba(15,20,23,.24);
    }
    .sidebar.is-open{transform:none}
    .sidebar-close{display:inline-flex}
    .drawer-mask{position:fixed;inset:0;background:rgba(15,20,23,.5);z-index:55}
    .drawer-mask.is-open{display:block}
    .main{margin-left:0;padding-top:56px}
    .mobile-topbar{
      display:flex;position:fixed;top:0;left:0;right:0;height:56px;z-index:50;
      align-items:center;justify-content:space-between;padding:0 16px;
      background:var(--paper);border-bottom:1px solid var(--line);
    }
    .menu-toggle{
      width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
      border:1px solid var(--line);background:var(--card);border-radius:12px;color:var(--ink-900);cursor:pointer;
    }
    .hero-grid{grid-template-columns:1fr;gap:32px}
    .route{grid-template-columns:1fr 1fr}
    .route-item{padding:26px 20px 0 0}
    .cta-card{grid-template-columns:1fr;padding:32px}
    .cta-side{width:100%}
  }
  @media (max-width:767px){
    .section{padding:44px 0}
    .section--tight{padding:36px 0}
    .container{padding:0 18px}
    h1{font-size:30px}
    .hero-actions .btn{width:100%}
    .compare-grid{grid-template-columns:1fr}
    .list-grid{grid-template-columns:1fr}
    .route{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr;gap:28px}
    .narrow-cta{padding:22px}
    .narrow-cta .btn{width:100%}
    .band-dark{padding:44px 0}
    .cta-card{padding:24px}
    .site-footer{padding:44px 0 24px}
    .crumb{padding-top:20px}
    .sec-head{margin-bottom:24px}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  }