/* roulang page: index */
:root{
  --ink-900:#101614;
  --ink-600:#4A5551;
  --ink-300:#8A948F;
  --brand-800:#0E332C;
  --brand-600:#164C41;
  --brand-100:#E2EBE6;
  --accent:#C9F04C;
  --warm:#D2603C;
  --paper:#F7F5EF;
  --card:#FFFFFF;
  --line:#DED9CC;
  --radius-card:16px;
  --radius-hero:20px;
  --radius-btn:999px;
  --radius-badge:6px;
  --shadow-soft:0 1px 0 rgba(16,22,20,.04);
  --shadow-hover:0 12px 28px -12px rgba(14,51,44,.22);
  --space-section:88px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--paper);
  background-image:radial-gradient(rgba(14,51,44,.045) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-800);text-decoration:none;}
a:hover{color:var(--brand-600);}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.01em;line-height:1.28;color:var(--ink-900);}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--brand-600);outline-offset:3px;box-shadow:0 0 0 6px rgba(255,255,255,.85);}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px;}
.rule-accent{display:inline-block;width:24px;height:3px;background:var(--accent);border-radius:2px;margin-right:12px;vertical-align:middle;}
.section{padding:var(--space-section) 0;border-top:1px dashed var(--line);}
.section:first-of-type{border-top:0;}
.section-head{margin-bottom:28px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.section-head h2{font-size:32px;}
.section-head .desc{color:var(--ink-600);font-size:15px;max-width:520px;}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--warm);text-transform:none;margin-bottom:10px;}

/* ---------- header ---------- */
.site-header{position:relative;z-index:40;}
.top-bar-dark{background:var(--brand-800);color:#fff;}
.topbar-inner{display:flex;align-items:center;gap:24px;min-height:72px;padding:12px 0;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;flex-shrink:0;}
.brand:hover{color:#fff;}
.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--accent);color:var(--brand-800);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;letter-spacing:0;flex-shrink:0;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.02em;}
.brand-text span{font-size:11px;letter-spacing:.18em;color:rgba(255,255,255,.66);font-weight:600;}
.top-search{flex:1 1 auto;max-width:380px;position:relative;}
.top-search input{
  width:100%;height:44px;border-radius:var(--radius-btn);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.24);
  color:#fff;padding:0 18px 0 44px;font-size:14px;transition:border-color .18s ease,background .18s ease;
}
.top-search input::placeholder{color:rgba(255,255,255,.6);}
.top-search input:focus{background:rgba(255,255,255,.14);border-color:var(--accent);outline:none;box-shadow:0 0 0 3px rgba(201,240,76,.22);}
.top-search .ico{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:rgba(255,255,255,.7);font-size:14px;}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:16px;flex-shrink:0;}
.top-link{color:rgba(255,255,255,.78);font-size:14px;font-weight:600;}
.top-link:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:5px;text-decoration-thickness:2px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);font-weight:700;font-size:15px;padding:12px 24px;min-height:44px;border:1px solid transparent;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,background .16s ease,color .16s ease,border-color .16s ease;}
.btn .arrow{transition:transform .16s ease;}
.btn-primary{background:var(--accent);color:var(--brand-800);border-color:var(--accent);}
.btn-primary:hover{background:#d5f76d;color:var(--brand-800);transform:translateY(-2px);box-shadow:0 12px 24px -12px rgba(201,240,76,.9);}
.btn-primary:hover .arrow{transform:translateX(4px);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--brand-800);border-color:var(--brand-800);}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-800);transform:translateY(-2px);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px;}
.hamburger{display:none;margin-left:auto;background:transparent;border:1px solid rgba(255,255,255,.4);color:#fff;border-radius:10px;width:44px;height:44px;align-items:center;justify-content:center;font-size:18px;cursor:pointer;}
.hamburger:hover{background:rgba(255,255,255,.12);}

.channel-bar{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30;}
.channel-scroll{display:flex;align-items:center;gap:8px;min-height:52px;overflow-x:auto;scrollbar-width:none;}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-pill{flex:0 0 auto;font-size:14px;font-weight:600;color:var(--ink-600);padding:8px 16px;border-radius:var(--radius-btn);border:1px solid transparent;transition:background .16s ease,color .16s ease,border-color .16s ease;}
.channel-pill:hover{background:var(--brand-100);color:var(--brand-800);}
.channel-pill.is-active{background:var(--accent);color:var(--brand-800);border-color:var(--accent);}
.mobile-nav{display:none;background:var(--brand-800);border-top:1px solid rgba(255,255,255,.14);padding:12px 0 20px;}
.mobile-nav a{display:block;color:#fff;padding:12px 0;font-size:15px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.1);}
.mobile-nav a:last-child{border-bottom:0;}
.mobile-nav.is-open{display:block;}

/* ---------- hero ---------- */
.hero{padding:64px 0 72px;position:relative;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--brand-100);color:var(--brand-800);border:1px solid #c9d8d1;border-radius:var(--radius-badge);padding:6px 12px;font-size:13px;font-weight:700;letter-spacing:.04em;}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--warm);display:inline-block;}
.hero h1{font-size:52px;line-height:1.16;margin:20px 0 18px;letter-spacing:.005em;}
.hero h1 em{font-style:normal;position:relative;white-space:nowrap;}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;background:var(--accent);z-index:-1;border-radius:3px;opacity:.85;}
.hero-sub{font-size:17px;color:var(--ink-600);max-width:520px;margin-bottom:28px;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;border-top:1px solid var(--line);padding-top:22px;}
.hero-stats .num{font-size:26px;font-weight:800;color:var(--brand-800);font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-stats .lab{font-size:12.5px;color:var(--ink-300);font-weight:600;letter-spacing:.04em;}
.hero-visual{position:relative;}
.hero-frame{position:relative;border-radius:var(--radius-hero);overflow:hidden;border:1px solid var(--line);box-shadow:0 18px 40px -28px rgba(14,51,44,.55);aspect-ratio:16/12;background:var(--brand-100);}
.hero-frame img{width:100%;height:100%;object-fit:cover;}
.hero-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,51,44,0) 45%,rgba(14,51,44,.55) 100%);}
.hero-tag{position:absolute;left:18px;bottom:18px;z-index:2;background:var(--card);border-radius:10px;padding:10px 16px;border:1px solid var(--line);display:flex;align-items:center;gap:12px;}
.hero-tag .k{font-size:13px;color:var(--ink-300);font-weight:600;letter-spacing:.04em;}
.hero-tag .v{font-size:15px;font-weight:800;color:var(--brand-800);}
.hero-stamp{position:absolute;right:-10px;top:-14px;background:var(--warm);color:#fff;font-size:12.5px;font-weight:700;letter-spacing:.1em;padding:8px 14px;border-radius:8px;transform:rotate(4deg);box-shadow:0 10px 20px -12px rgba(210,96,60,.9);}
.hero-line{height:3px;background:var(--accent);border-radius:3px;margin-top:64px;width:100%;}

/* ---------- collection cards ---------- */
.cards-grid{margin-left:-12px;margin-right:-12px;}
.cards-grid>.cell{padding:0 12px 24px 12px;}
.tile{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);height:100%;display:flex;flex-direction:column;overflow:hidden;box-shadow:var(--shadow-soft);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.tile:hover{transform:translateY(-4px);border-color:var(--brand-600);box-shadow:var(--shadow-hover);}
.tile-figure{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--brand-100);}
.tile-figure img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.tile:hover .tile-figure img{transform:scale(1.03);}
.tile-no{position:absolute;left:14px;top:12px;z-index:2;font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--brand-800);background:var(--accent);border-radius:6px;padding:3px 9px;letter-spacing:.06em;}
.tile-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.tile-body h3{font-size:19px;margin-bottom:10px;}
.tile-desc{font-size:14.5px;color:var(--ink-600);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;}
.tile-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-300);font-weight:600;}
.tile-foot .go{color:var(--brand-800);font-weight:700;display:inline-flex;align-items:center;gap:6px;transition:transform .18s ease;}
.tile:hover .tile-foot .go{transform:translateX(4px);}
.badge{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.05em;padding:3px 9px;border-radius:var(--radius-badge);background:var(--brand-100);color:var(--brand-800);}
.badge-warm{background:var(--warm);color:#fff;}

/* ---------- featured ---------- */
.featured-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:32px;align-items:stretch;}
.feature-main{position:relative;border-radius:var(--radius-hero);overflow:hidden;border:1px solid var(--line);min-height:380px;display:flex;align-items:flex-end;background:var(--brand-800);}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.feature-main .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,51,44,.15) 20%,rgba(14,51,44,.88) 100%);}
.feature-main .cap{position:relative;z-index:2;padding:30px;color:#fff;}
.feature-main .cap h3{color:#fff;font-size:26px;margin:12px 0 10px;}
.feature-main .cap p{color:rgba(255,255,255,.82);font-size:15px;margin:0;max-width:520px;}
.feature-side{display:flex;flex-direction:column;gap:20px;}
.mini-item{display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:18px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.mini-item:hover{transform:translateY(-3px);border-color:var(--brand-600);box-shadow:var(--shadow-hover);}
.mini-item .thumb{width:112px;flex:0 0 112px;aspect-ratio:4/3;border-radius:10px;overflow:hidden;background:var(--brand-100);}
.mini-item .thumb img{width:100%;height:100%;object-fit:cover;}
.mini-item h3{font-size:17px;line-height:1.45;margin-bottom:6px;}
.mini-item p{font-size:13.5px;color:var(--ink-600);margin:0 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-item .meta{font-size:12.5px;color:var(--ink-300);font-weight:600;letter-spacing:.03em;}

/* ---------- cms list ---------- */
.post-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;height:100%;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.post-card:hover{transform:translateY(-4px);border-color:var(--brand-600);box-shadow:var(--shadow-hover);}
.post-card h3{font-size:18px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card .sum{font-size:14px;color:var(--ink-600);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;}
.post-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--ink-300);font-weight:600;padding-top:14px;border-top:1px dashed var(--line);}
.post-card .foot .go{color:var(--brand-800);font-weight:700;}
.empty-state{background:var(--card);border:1px dashed var(--line);border-radius:var(--radius-card);padding:52px 24px;text-align:center;}
.empty-state .ico{width:56px;height:56px;margin:0 auto 16px;border-radius:14px;background:var(--brand-100);color:var(--brand-800);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;}
.empty-state p{color:var(--ink-600);font-size:15px;margin-bottom:18px;}

/* ---------- related ---------- */
.rel-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;height:100%;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.rel-card:hover{transform:translateY(-4px);border-color:var(--brand-600);box-shadow:var(--shadow-hover);}
.rel-card .rf{aspect-ratio:16/10;overflow:hidden;background:var(--brand-100);}
.rel-card .rf img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rel-card:hover .rf img{transform:scale(1.04);}
.rel-card .rb{padding:18px 20px 20px;flex:1 1 auto;display:flex;flex-direction:column;}
.rel-card h3{font-size:16.5px;line-height:1.5;margin-bottom:8px;}
.rel-card p{font-size:13.5px;color:var(--ink-600);margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card .more{margin-top:auto;font-size:13px;font-weight:700;color:var(--brand-800);}

/* ---------- cta bar ---------- */
.cta-bar{background:var(--brand-800);border:1px solid var(--brand-600);border-radius:var(--radius-hero);padding:36px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;position:relative;overflow:hidden;}
.cta-bar::before{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border:2px dashed rgba(201,240,76,.28);border-radius:50%;}
.cta-bar h2{color:#fff;font-size:26px;margin-bottom:8px;position:relative;}
.cta-bar p{color:rgba(255,255,255,.78);font-size:14.5px;margin:0;position:relative;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;}

/* ---------- faq ---------- */
.faq-list.accordion{background:transparent;border:0;margin:0;}
.faq-list .accordion-item{border:1px solid var(--line);border-radius:12px;background:var(--card);margin-bottom:12px;overflow:hidden;}
.faq-list .accordion-title{font-size:18px;font-weight:600;color:var(--ink-900);padding:20px 56px 20px 22px;border:0;background:var(--card);transition:background .16s ease,color .16s ease;}
.faq-list .accordion-title:hover{background:var(--brand-100);color:var(--brand-800);}
.faq-list .accordion-title::before{right:20px;font-size:20px;font-weight:700;color:var(--brand-800);margin-top:-12px;}
.faq-list .accordion-content{padding:0 22px 20px 22px;border:0;background:var(--card);color:var(--ink-600);font-size:15.5px;line-height:1.85;}
.faq-list .accordion-content p:last-child{margin-bottom:0;}
.faq-list .is-active>.accordion-title{background:var(--brand-100);color:var(--brand-800);}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-800);color:#B9C6C0;padding:64px 0 0;margin-top:var(--space-section);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.site-footer .brand-text strong{color:#fff;}
.site-footer h4{color:#fff;font-size:15px;letter-spacing:.06em;margin-bottom:16px;}
.site-footer p{font-size:13.5px;line-height:1.85;color:#9FB0A9;}
.footer-list li{margin-bottom:10px;font-size:14px;}
.footer-list a{color:#B9C6C0;}
.footer-list a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px;text-decoration-thickness:2px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8FA29B;}
.footer-bottom a{color:#B9C6C0;}
.footer-bottom a:hover{color:#fff;}
.footer-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-badge);padding:4px 10px;font-size:12px;color:#D7E2DC;font-weight:600;letter-spacing:.05em;}
.to-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:12px;background:var(--brand-800);color:var(--accent);border:1px solid var(--brand-600);display:flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;z-index:50;opacity:0;visibility:hidden;transition:opacity .2s ease,transform .2s ease,background .2s ease;}
.to-top.is-show{opacity:1;visibility:visible;}
.to-top:hover{background:var(--brand-600);color:#fff;transform:translateY(-3px);}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  :root{--space-section:64px;}
  .wrap{padding:0 24px;}
  .hero{padding:44px 0 52px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:38px;}
  .hero-visual{order:2;}
  .featured-grid{grid-template-columns:1fr;}
  .feature-main{min-height:320px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section-head h2{font-size:27px;}
  .top-search{max-width:260px;}
}
@media screen and (max-width:767px){
  .top-search,.top-actions{display:none;}
  .hamburger{display:flex;}
  .topbar-inner{min-height:60px;}
  .hero h1{font-size:30px;line-height:1.25;}
  .hero-sub{font-size:15.5px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px;}
  .hero-cta .btn{flex:1 1 auto;}
  .cta-bar{padding:26px 22px;border-radius:16px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .mini-item .thumb{width:88px;flex:0 0 88px;}
  .hero-stamp{right:8px;top:-10px;font-size:11.5px;}
  .to-top{right:16px;bottom:16px;}
}
@media screen and (max-width:520px){
  :root{--space-section:48px;}
  .wrap{padding:0 16px;}
  .section-head h2{font-size:23px;}
  .hero h1{font-size:26px;}
  .feature-main .cap{padding:22px;}
  .feature-main .cap h3{font-size:21px;}
  .faq-list .accordion-title{font-size:16px;padding:16px 48px 16px 18px;}
  .mini-item{flex-direction:column;gap:12px;}
  .mini-item .thumb{width:100%;flex:0 0 auto;aspect-ratio:16/9;}
}

/* roulang page: article */
:root{
  --ink-900:#101614;
  --ink-600:#4A5551;
  --ink-300:#8A948F;
  --brand-800:#0E332C;
  --brand-600:#164C41;
  --brand-100:#E2EBE6;
  --accent:#C9F04C;
  --warm:#D2603C;
  --paper:#F7F5EF;
  --card:#FFFFFF;
  --line:#DED9CC;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-sm:10px;
  --shadow-soft:0 1px 0 rgba(16,22,20,.04);
  --shadow-lift:0 12px 28px -12px rgba(14,51,44,.22);
  --gutter:24px;
  --space-section:88px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-900);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover,a:focus{color:var(--brand-800);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.01em;line-height:1.35;color:var(--ink-900);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:3px solid var(--brand-600);outline-offset:2px;box-shadow:0 0 0 6px rgba(255,255,255,.85);}

.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ============ 顶部双层导航 ============ */
.site-header{position:relative;z-index:60;}
.topbar{background:var(--brand-800);color:#fff;}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  color:#fff;
  flex:0 0 auto;
}
.brand:hover{color:#fff;}
.brand-mark{
  width:42px;
  height:42px;
  border-radius:12px;
  background:var(--accent);
  color:var(--brand-800);
  display:grid;
  place-items:center;
  font-size:18px;
  font-weight:800;
  letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.brand-text strong{
  display:block;
  font-size:17px;
  font-weight:800;
  letter-spacing:.06em;
  line-height:1.3;
}
.brand-text span{
  display:block;
  font-size:11px;
  letter-spacing:.24em;
  color:#A9BAB3;
  line-height:1.4;
}
.search-box{
  flex:1 1 auto;
  max-width:400px;
  display:flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 18px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  transition:border-color .2s ease,background-color .2s ease;
}
.search-box:focus-within{
  border-color:var(--accent);
  background:rgba(255,255,255,.12);
}
.search-box i{color:#9EB0A9;font-size:14px;}
.search-box input[type="search"]{
  flex:1 1 auto;
  width:100%;
  margin:0;
  padding:0;
  height:auto;
  border:0;
  background:transparent;
  color:#fff;
  font-size:14px;
  line-height:1.6;
  box-shadow:none;
  -webkit-appearance:none;
  appearance:none;
}
.search-box input[type="search"]::placeholder{color:#9EB0A9;}
.search-box input[type="search"]:focus{box-shadow:none;outline:none;}
.topbar-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:18px;
  flex:0 0 auto;
}
.link-plain{
  color:#C4D2CC;
  font-size:14px;
  font-weight:600;
  border-bottom:2px solid transparent;
  padding-bottom:2px;
}
.link-plain:hover{color:#fff;border-bottom-color:var(--accent);}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.24);
  color:#fff;
  font-size:16px;
  align-items:center;
  justify-content:center;
}
.nav-toggle:hover{background:rgba(255,255,255,.1);}
.mobile-panel{display:none;}

.channel-scroll{
  display:flex;
  align-items:center;
  gap:8px;
  height:52px;
  padding:0 32px;
  overflow-x:auto;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  scrollbar-width:none;
  -ms-overflow-style:none;
  -webkit-overflow-scrolling:touch;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-pill{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  color:var(--ink-600);
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease;
}
.channel-pill:hover{background:var(--brand-100);color:var(--brand-800);}
.channel-pill.is-active{background:var(--accent);color:var(--brand-800);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:11px 22px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  line-height:1.2;
  cursor:pointer;
  transition:transform .22s ease,background-color .22s ease,box-shadow .22s ease,color .22s ease,border-color .22s ease;
}
.btn .arrow{transition:transform .22s ease;}
.btn-primary{
  background:var(--accent);
  color:var(--brand-800);
  box-shadow:var(--shadow-soft);
}
.btn-primary:hover{
  background:#D7F76E;
  color:var(--brand-800);
  transform:translateY(-2px);
  box-shadow:var(--shadow-lift);
}
.btn-primary:hover .arrow{transform:translateX(4px);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-soft);}
.btn-outline{
  background:transparent;
  border-color:var(--brand-800);
  color:var(--brand-800);
}
.btn-outline:hover{background:var(--brand-100);color:var(--brand-800);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.5);
  color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{min-height:40px;padding:8px 18px;font-size:14px;}

/* ============ 通用小件 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:6px;
  background:var(--brand-100);
  color:var(--brand-800);
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  line-height:1.6;
}
.badge-warm{background:var(--warm);color:#fff;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--brand-600);
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  display:block;
  width:24px;
  height:3px;
  border-radius:2px;
  background:var(--accent);
}
.section-head{margin-bottom:28px;}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  display:flex;
  align-items:center;
  gap:14px;
}
.section-head h2::before{
  content:"";
  display:block;
  width:24px;
  height:4px;
  border-radius:2px;
  background:var(--accent);
  flex:0 0 auto;
}
.section-head p{margin-top:10px;color:var(--ink-600);font-size:15px;}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:32px 0 0;
  font-size:13px;
  color:var(--ink-300);
}
.crumbs a{color:var(--ink-600);font-weight:600;}
.crumbs a:hover{color:var(--brand-800);text-decoration:underline;text-underline-offset:4px;}
.crumbs .sep{color:#C4BEB0;}

/* ============ 文章头 ============ */
.article-head{
  max-width:860px;
  margin:0 auto;
  padding:22px 0 0;
}
.article-head h1{
  font-size:clamp(26px,3.4vw,42px);
  line-height:1.32;
  margin:16px 0 20px;
  overflow:hidden;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  padding-bottom:26px;
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--ink-600);
}
.meta-row .dot{
  width:4px;height:4px;border-radius:50%;background:#C4BEB0;display:inline-block;
}
.meta-row i{color:var(--ink-300);margin-right:5px;}
.article-cover{
  max-width:960px;
  margin:32px auto 0;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--brand-100);
  aspect-ratio:16/9;
  position:relative;
}
.article-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.article-cover .cover-tag{
  position:absolute;
  left:20px;
  bottom:20px;
  background:rgba(14,51,44,.9);
  color:var(--accent);
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  padding:7px 14px;
  border-radius:6px;
}

/* ============ 正文 ============ */
.article-body{
  max-width:800px;
  margin:0 auto;
  padding:44px 0 0;
  font-size:16px;
  line-height:1.9;
  color:var(--ink-900);
  word-break:break-word;
}
.article-body p{margin:0 0 18px;}
.article-body h2{
  font-size:clamp(21px,2.4vw,28px);
  line-height:1.45;
  margin:42px 0 18px;
  padding-left:16px;
  border-left:4px solid var(--accent);
}
.article-body h3{
  font-size:20px;
  line-height:1.5;
  margin:32px 0 14px;
  color:var(--brand-800);
}
.article-body h4{
  font-size:17px;
  margin:26px 0 12px;
}
.article-body ul,.article-body ol{
  margin:0 0 20px;
  padding-left:6px;
}
.article-body ul li{
  position:relative;
  padding-left:22px;
  margin-bottom:10px;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:2px;
  top:.72em;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--accent);
}
.article-body ol{
  counter-reset:artnum;
  padding-left:2px;
}
.article-body ol li{
  position:relative;
  counter-increment:artnum;
  padding-left:34px;
  margin-bottom:10px;
}
.article-body ol li::before{
  content:counter(artnum,decimal-leading-zero);
  position:absolute;
  left:0;
  top:0;
  font-size:13px;
  font-weight:700;
  color:var(--warm);
  letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:26px 0;
  padding:20px 24px;
  background:var(--brand-100);
  border-left:4px solid var(--accent);
  border-radius:0 12px 12px 0;
  color:var(--brand-800);
  font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;
  height:auto;
  border-radius:var(--radius-card);
  margin:26px 0;
  background:var(--brand-100);
}
.article-body figure{margin:26px 0;}
.article-body figcaption{
  font-size:13px;
  color:var(--ink-300);
  text-align:center;
  margin-top:10px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:26px 0;
  font-size:15px;
  border:1px solid var(--line);
}
.article-body thead th{
  background:var(--brand-800);
  color:#fff;
  font-weight:600;
  border:1px solid var(--brand-800);
}
.article-body th,.article-body td{
  padding:12px 14px;
  text-align:left;
  border:1px solid var(--line);
}
.article-body tbody tr:nth-child(even){background:#FBFAF6;}
.article-body a{
  color:var(--brand-600);
  border-bottom:2px solid var(--accent);
  font-weight:600;
}
.article-body a:hover{color:var(--brand-800);}
.article-body hr{
  border:0;
  border-top:1px dashed var(--line);
  margin:36px 0;
}
.article-body strong{font-weight:700;color:var(--brand-800);}

.empty-state{
  text-align:center;
  padding:64px 24px;
  background:var(--card);
  border:1px dashed var(--line);
  border-radius:var(--radius-lg);
}
.empty-state i{
  font-size:34px;
  color:var(--ink-300);
  margin-bottom:16px;
  display:block;
}
.empty-state h3{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--ink-600);font-size:15px;margin-bottom:22px;}

/* ============ 标签与操作条 ============ */
.tag-row{
  max-width:800px;
  margin:40px auto 0;
  padding-top:26px;
  border-top:1px dashed var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
}
.tag-row .tag-label{
  font-size:12px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--ink-300);
  margin-right:4px;
}
.tag-pill{
  display:inline-flex;
  align-items:center;
  min-height:34px;
  padding:5px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--card);
  color:var(--ink-600);
  font-size:13px;
  font-weight:600;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.tag-pill:hover{background:var(--brand-100);color:var(--brand-800);border-color:var(--brand-100);}

.action-bar{
  max-width:1000px;
  margin:56px auto 0;
  background:var(--brand-800);
  border:1px solid rgba(201,240,76,.55);
  border-radius:var(--radius-lg);
  padding:28px 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  color:#fff;
}
.action-bar h3{
  color:#fff;
  font-size:20px;
  margin-bottom:6px;
}
.action-bar p{
  color:#B9C6C0;
  font-size:14px;
  margin:0;
}
.action-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 继续阅读 / 相关推荐 ============ */
.block{margin-top:var(--space-section);}
.dual-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:var(--gutter);
}
.next-card{
  display:block;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.next-card:hover{
  transform:translateY(-4px);
  border-color:var(--brand-600);
  box-shadow:var(--shadow-lift);
}
.next-card .next-kicker{
  font-size:12px;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--warm);
  display:block;
  margin-bottom:10px;
}
.next-card h3{
  font-size:19px;
  margin-bottom:10px;
  color:var(--ink-900);
}
.next-card p{
  font-size:14px;
  color:var(--ink-600);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:16px;
}
.next-card .next-foot{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand-800);
}
.next-card .next-foot i{transition:transform .24s ease;}
.next-card:hover .next-foot i{transform:translateX(4px);}

.rec-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--gutter);
}
.rec-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.rec-card:hover{
  transform:translateY(-4px);
  border-color:var(--brand-600);
  box-shadow:var(--shadow-lift);
}
.rec-thumb{
  aspect-ratio:4/3;
  overflow:hidden;
  background:var(--brand-100);
}
.rec-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.rec-card:hover .rec-thumb img{transform:scale(1.03);}
.rec-body{padding:22px 22px 24px;}
.rec-body .badge{margin-bottom:12px;}
.rec-body h3{
  font-size:18px;
  margin-bottom:10px;
  color:var(--ink-900);
}
.rec-body p{
  font-size:14px;
  color:var(--ink-600);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:16px;
}
.rec-body .rec-foot{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand-800);
}
.rec-card:hover .rec-foot i{transform:translateX(4px);}
.rec-body .rec-foot i{transition:transform .24s ease;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--space-section);
  background:var(--brand-800);
  color:#B9C6C0;
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.site-footer p{
  font-size:14px;
  line-height:1.9;
  color:#9EB0A9;
  max-width:340px;
}
.site-footer h4{
  color:#fff;
  font-size:15px;
  font-weight:700;
  letter-spacing:.06em;
  margin-bottom:18px;
}
.footer-list li{
  margin-bottom:12px;
  font-size:14px;
  color:#9EB0A9;
}
.footer-list a{
  color:#B9C6C0;
  font-size:14px;
  border-bottom:2px solid transparent;
  padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.footer-list a:hover{color:#fff;border-bottom-color:var(--accent);}
.footer-badge{
  display:inline-flex;
  align-items:center;
  margin-top:18px;
  padding:6px 14px;
  border-radius:6px;
  border:1px solid rgba(201,240,76,.5);
  color:var(--accent);
  font-size:12px;
  font-weight:600;
  letter-spacing:.1em;
}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:#8A9B94;
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:48px;
  height:48px;
  border-radius:12px;
  background:var(--brand-800);
  color:var(--accent);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  border:1px solid rgba(201,240,76,.45);
  box-shadow:0 10px 24px -12px rgba(14,51,44,.6);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
  z-index:70;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand-600);color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .wrap{padding:0 24px;}
  :root{--space-section:64px;}
  .search-box{display:none;}
  .topbar-actions{display:none;}
  .nav-toggle{display:inline-flex;}
  .topbar-inner{min-height:60px;gap:16px;}
  .channel-scroll{padding:0 24px;}
  .mobile-panel.is-open{
    display:block;
    background:var(--brand-800);
    border-top:1px solid rgba(255,255,255,.12);
    padding:16px 24px 22px;
  }
  .mobile-panel .search-box{
    display:flex;
    max-width:none;
    margin-bottom:16px;
  }
  .mobile-links{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
  }
  .mobile-links a{
    display:inline-flex;
    align-items:center;
    min-height:38px;
    padding:6px 14px;
    border-radius:999px;
    border:1px solid rgba(255,255,255,.2);
    color:#C4D2CC;
    font-size:14px;
    font-weight:600;
  }
  .mobile-links a:hover{background:rgba(255,255,255,.12);color:#fff;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .action-bar{padding:24px;}
}

@media (max-width:767px){
  .wrap{padding:0 16px;}
  :root{--space-section:48px;--gutter:16px;}
  body{font-size:15.5px;}
  .channel-scroll{padding:0 16px;height:52px;}
  .crumbs{padding-top:22px;}
  .article-head{padding-top:14px;}
  .article-body{padding-top:32px;line-height:1.88;}
  .article-body h2{margin-top:34px;}
  .dual-grid{grid-template-columns:1fr;}
  .rec-grid{grid-template-columns:1fr;}
  .action-bar{flex-direction:column;align-items:flex-start;}
  .action-actions{width:100%;}
  .action-actions .btn{flex:1 1 0;min-width:140px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .to-top{right:16px;bottom:16px;width:44px;height:44px;}
  .article-cover{border-radius:var(--radius-card);}
}

@media (max-width:519px){
  .brand-text strong{font-size:15px;}
  .brand-text span{font-size:10px;letter-spacing:.18em;}
  .article-head h1{font-size:24px;}
  .meta-row{font-size:12px;gap:10px;}
  .tag-pill{font-size:12px;padding:4px 12px;}
  .next-card{padding:20px;}
  .rec-body{padding:18px 18px 20px;}
}

/* roulang page: category1 */
:root{
  --ink-900:#101614;
  --ink-600:#4A5551;
  --ink-300:#8A948F;
  --brand-800:#0E332C;
  --brand-600:#164C41;
  --brand-100:#E2EBE6;
  --accent:#C9F04C;
  --warm:#D2603C;
  --paper:#F7F5EF;
  --card:#FFFFFF;
  --line:#DED9CC;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:999px;
  --r-badge:6px;
  --r-input:10px;
  --shadow-sm:0 1px 0 rgba(16,22,20,.04);
  --shadow-hover:0 12px 28px -12px rgba(14,51,44,.22);
  --wrap:1200px;
  --sp-section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-800);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{color:var(--brand-600)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;color:var(--ink-900)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer}
input{font:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;box-shadow:0 0 0 5px rgba(255,255,255,.9)}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px}
.tnum{font-variant-numeric:tabular-nums}

/* ============ 头部 ============ */
.site-head{background:var(--brand-800);position:relative;z-index:30}
.head-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:12px;color:#fff;flex:0 0 auto}
.brand:hover{color:#fff}
.brand-mark{
  width:40px;height:40px;border-radius:11px;background:var(--accent);color:var(--brand-800);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;letter-spacing:.02em;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;color:#fff;letter-spacing:.02em}
.brand-text span{font-size:11px;color:#A9BAB2;letter-spacing:.16em;margin-top:3px}
.head-search{flex:1 1 auto;max-width:340px;position:relative}
.head-search input{
  width:100%;height:42px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);
  color:#fff;padding:0 18px 0 42px;font-size:14px;
}
.head-search input::placeholder{color:#9FB0A9}
.head-search input:focus{background:rgba(255,255,255,.14);border-color:var(--accent);outline:none}
.head-search .fa-magnifying-glass{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  color:#9FB0A9;font-size:13px;pointer-events:none;
}
.head-actions{display:flex;align-items:center;gap:18px;margin-left:auto}
.head-link{color:#C6D3CD;font-size:14px;font-weight:600}
.head-link:hover{color:#fff}
.head-actions .btn{padding:10px 22px;font-size:14px}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:16px;align-items:center;justify-content:center;
}

/* ============ 频道条 ============ */
.channel-bar{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.channel-scroll{
  display:flex;align-items:center;gap:10px;height:52px;
  overflow-x:auto;overflow-y:hidden;scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
  mask-image:linear-gradient(to right,transparent 0,#000 14px,#000 calc(100% - 14px),transparent 100%);
  -webkit-mask-image:linear-gradient(to right,transparent 0,#000 14px,#000 calc(100% - 14px),transparent 100%);
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;
  height:34px;padding:0 16px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;color:var(--ink-600);
  border:1px solid transparent;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.channel-pill:hover{background:var(--brand-100);color:var(--brand-800)}
.channel-pill.is-active{background:var(--accent);color:var(--brand-800);border-color:rgba(14,51,44,.14)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:46px;padding:12px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn i{font-size:13px;transition:transform .18s ease}
.btn-primary{background:var(--accent);color:var(--brand-800);border-color:var(--accent)}
.btn-primary:hover{background:#D6F76A;color:var(--brand-800);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-primary:hover i{transform:translateX(4px)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--brand-800);border-color:var(--brand-800)}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-800);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-light-outline:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--brand-800);border-bottom:2px solid var(--accent);padding-bottom:2px}
.link-arrow:hover{border-bottom-width:3px}
.link-arrow i{font-size:12px;transition:transform .18s ease}
.link-arrow:hover i{transform:translateX(4px)}

/* ============ 面包屑 ============ */
.crumb{padding:22px 0 0;font-size:13px;color:var(--ink-300)}
.crumb a{color:var(--ink-600)}
.crumb a:hover{color:var(--brand-800)}
.crumb span.sep{margin:0 8px;color:var(--ink-300)}
.crumb .cur{color:var(--ink-900);font-weight:600}

/* ============ 分类 Hero ============ */
.cat-hero{padding:26px 0 60px;border-bottom:1px solid var(--line);position:relative}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:linear-gradient(to right,var(--accent) 0 180px,transparent 180px 100%);
}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;margin-top:26px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-100);color:var(--brand-800);
  font-size:12px;font-weight:700;letter-spacing:.08em;
  padding:6px 14px;border-radius:var(--r-badge);
}
.hero-badge i{color:var(--warm);font-size:11px}
.hero-title{
  font-size:46px;line-height:1.2;font-weight:800;letter-spacing:.01em;
  margin:18px 0 0;
}
.hero-title em{font-style:normal;position:relative;white-space:nowrap;z-index:1}
.hero-title em::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;
  background:var(--accent);z-index:-1;opacity:.85;border-radius:2px;
}
.hero-lead{margin-top:20px;font-size:17px;line-height:1.9;color:var(--ink-600);max-width:58ch}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-chips a{
  display:inline-flex;align-items:center;height:34px;padding:0 15px;
  font-size:13px;font-weight:600;color:var(--ink-600);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
}
.hero-chips a:hover{background:var(--brand-100);border-color:var(--brand-600);color:var(--brand-800)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  margin-top:34px;padding-top:26px;border-top:1px dashed var(--line);
}
.stat-num{font-size:27px;font-weight:800;line-height:1.2;color:var(--brand-800);font-variant-numeric:tabular-nums}
.stat-num small{font-size:13px;font-weight:700;color:var(--ink-300);margin-left:3px}
.stat-label{font-size:13px;color:var(--ink-300);margin-top:4px}
.hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--brand-100);box-shadow:var(--shadow-sm)}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-pin{
  position:absolute;left:18px;top:18px;
  background:var(--brand-800);color:#fff;border:1px solid rgba(201,240,76,.5);
  border-radius:10px;padding:8px 14px;font-size:12px;font-weight:700;letter-spacing:.06em;
}
.hero-pin i{color:var(--accent);margin-right:6px}
.hero-stamp{
  position:absolute;right:18px;bottom:18px;
  background:rgba(247,245,239,.94);color:var(--brand-800);
  border-radius:10px;padding:8px 14px;font-size:12px;font-weight:700;letter-spacing:.06em;
  border:1px solid var(--line);
}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-section) 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--warm);
  margin-bottom:14px;
}
.section-kicker::before{content:"";width:24px;height:3px;background:var(--accent);border-radius:2px}
.section-head h2{font-size:32px;line-height:1.32;font-weight:800}
.section-head p{margin-top:14px;color:var(--ink-600);font-size:16px;line-height:1.9}

/* ============ 时间轴 ============ */
.timeline-wrap{position:relative}
.tl{position:relative}
.tl::before{
  content:"";position:absolute;left:76px;top:12px;bottom:12px;width:2px;
  background:repeating-linear-gradient(to bottom,var(--line) 0 9px,transparent 9px 18px);
}
.tl-item{
  position:relative;display:grid;grid-template-columns:60px 1fr;gap:56px;
  margin-bottom:30px;
}
.tl-item:last-child{margin-bottom:0}
.tl-num{
  font-size:22px;font-weight:800;color:var(--brand-800);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
  padding-top:20px;text-align:right;
}
.tl-dot{
  position:absolute;left:70px;top:28px;width:14px;height:14px;border-radius:50%;
  background:var(--accent);border:3px solid var(--brand-800);z-index:2;
}
.tl-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px 28px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.tl-card::before{
  content:"";position:absolute;left:0;top:0;width:14px;height:14px;
  background:var(--brand-100);border-radius:var(--r-card) 0 0 0;
  clip-path:polygon(0 0,100% 0,0 100%);
}
.tl-card:hover{transform:translateY(-4px);border-color:var(--brand-600);box-shadow:var(--shadow-hover)}
.tl-item:nth-child(even) .tl-card{margin-left:44px}
.tl-stage{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-800);background:var(--brand-100);
  border-radius:var(--r-badge);padding:3px 10px;margin-bottom:12px;
}
.tl-card h3{font-size:19px;font-weight:700;line-height:1.5;margin-bottom:10px}
.tl-card p{font-size:15px;line-height:1.9;color:var(--ink-600)}
.tl-tag{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--warm);
  background:rgba(210,96,60,.1);border-radius:var(--r-badge);padding:4px 10px;
}

/* ============ 三件事 ============ */
.plain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.plain-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.plain-card:hover{transform:translateY(-4px);border-color:var(--brand-600);box-shadow:var(--shadow-hover)}
.plain-icon{
  width:44px;height:44px;border-radius:12px;background:var(--brand-800);color:var(--accent);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:18px;
}
.plain-card h3{font-size:19px;margin-bottom:10px}
.plain-card p{font-size:15px;color:var(--ink-600);line-height:1.9}

/* ============ 图文区 ============ */
.split{display:grid;grid-template-columns:.92fr 1.08fr;gap:52px;align-items:center}
.split-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--brand-100)}
.split-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}
.split-body h2{font-size:30px;line-height:1.35}
.split-body>p{margin-top:16px;color:var(--ink-600);font-size:16px;line-height:1.9}
.step-list{margin-top:26px;display:grid;gap:0}
.step-list li{
  display:grid;grid-template-columns:34px 1fr;gap:16px;
  padding:18px 0;border-bottom:1px dashed var(--line);
}
.step-list li:last-child{border-bottom:0}
.step-list .step-idx{
  width:30px;height:30px;border-radius:9px;background:var(--brand-100);
  color:var(--brand-800);font-size:13px;font-weight:800;
  display:inline-flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.step-list strong{display:block;font-size:16px;margin-bottom:4px}
.step-list span{font-size:14px;color:var(--ink-600);line-height:1.85;display:block}

/* ============ 相关推荐 ============ */
.rec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.rec-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-sm);height:100%;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.rec-card:hover{transform:translateY(-4px);border-color:var(--brand-600);box-shadow:var(--shadow-hover)}
.rec-thumb{overflow:hidden;background:var(--brand-100)}
.rec-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.03)}
.rec-body{padding:20px;display:flex;flex-direction:column;flex:1}
.rec-body h3{font-size:17px;line-height:1.5;margin-bottom:10px}
.rec-body p{font-size:14px;color:var(--ink-600);line-height:1.8;flex:1}
.rec-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12px;font-weight:600;color:var(--ink-300);letter-spacing:.04em;
}
.rec-foot i{color:var(--brand-800);transition:transform .2s ease}
.rec-card:hover .rec-foot i{transform:translateX(4px)}

/* ============ 收藏 / 分享 ============ */
.share-bar{
  background:var(--brand-800);border:1px solid rgba(201,240,76,.35);
  border-radius:var(--r-lg);padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.share-bar::after{
  content:"";position:absolute;right:-40px;top:-40px;width:180px;height:180px;
  border:1px dashed rgba(201,240,76,.25);border-radius:50%;pointer-events:none;
}
.share-bar h2{font-size:26px;color:#fff;line-height:1.4}
.share-bar p{margin-top:10px;color:#B9C6C0;font-size:15px;line-height:1.8;max-width:52ch}
.share-actions{display:flex;gap:14px;flex:0 0 auto;position:relative;z-index:1}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-800);color:#B9C6C0;margin-top:var(--sp-section);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.site-footer .brand{margin-bottom:16px}
.site-footer p{font-size:14px;line-height:1.9;color:#B9C6C0;max-width:34ch}
.footer-badge{
  display:inline-flex;margin-top:18px;padding:5px 12px;border-radius:999px;
  background:rgba(201,240,76,.14);color:var(--accent);
  font-size:12px;font-weight:700;letter-spacing:.08em;
  border:1px solid rgba(201,240,76,.3);
}
.site-footer h4{font-size:14px;color:#fff;letter-spacing:.08em;margin-bottom:18px;font-weight:700}
.footer-list li{margin-bottom:12px;font-size:14px}
.footer-list a{color:#B9C6C0}
.footer-list a:hover{color:#fff;border-bottom:2px solid var(--accent)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#8FA39B;
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:12px;
  background:var(--brand-800);color:var(--accent);border:1px solid rgba(201,240,76,.4);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
  box-shadow:var(--shadow-hover);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;z-index:40;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand-600);color:#fff}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  :root{--sp-section:64px}
  .wrap{padding:0 24px}
  .head-inner{height:64px;gap:16px}
  .head-search{display:none}
  .head-actions .head-link{display:none}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-figure{order:2}
  .hero-title{font-size:36px}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .plain-grid{grid-template-columns:1fr 1fr}
  .rec-grid{grid-template-columns:1fr 1fr}
  .section-head h2{font-size:28px}
  .share-bar{flex-direction:column;align-items:flex-start;padding:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .tl::before{left:62px}
  .tl-item{grid-template-columns:48px 1fr;gap:40px}
  .tl-dot{left:56px}
  .tl-item:nth-child(even) .tl-card{margin-left:0}
}
@media screen and (max-width:767px){
  .wrap{padding:0 18px}
  .menu-toggle{display:inline-flex}
  .head-actions .btn{display:none}
  .hero-title{font-size:30px;line-height:1.28}
  .hero-lead{font-size:16px}
  .hero-cta .btn{flex:1 1 100%}
  .plain-grid{grid-template-columns:1fr}
  .rec-grid{grid-template-columns:1fr}
  .split-body h2{font-size:24px}
  .section-head h2{font-size:24px}
  .share-actions{width:100%;flex-direction:column}
  .share-actions .btn{width:100%}
  .share-bar h2{font-size:21px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .tl::before{left:7px}
  .tl-item{grid-template-columns:1fr;gap:10px;padding-left:30px}
  .tl-num{text-align:left;padding-top:0;font-size:18px}
  .tl-dot{left:1px;top:8px;width:12px;height:12px}
  .tl-card{padding:20px}
}
@media screen and (max-width:519px){
  .hero-title{font-size:26px}
  .stat-num{font-size:22px}
  .hero-figure img{aspect-ratio:16/10}
  .crumb{font-size:12px}
  .tl-card h3{font-size:17px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --ink-900:#101614;
  --ink-600:#4A5551;
  --ink-300:#8A948F;
  --brand-800:#0E332C;
  --brand-600:#164C41;
  --brand-100:#E2EBE6;
  --accent:#C9F04C;
  --warm:#D2603C;
  --paper:#F7F5EF;
  --card:#FFFFFF;
  --line:#DED9CC;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:999px;
  --r-badge:6px;
  --shadow-1:0 1px 0 rgba(16,22,20,.04);
  --shadow-2:0 12px 28px -12px rgba(14,51,44,.22);
  --sp-section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-900);
  background-color:var(--paper);
  background-image:radial-gradient(rgba(16,22,20,.028) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-800);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-600);}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font:inherit;}
:focus-visible{outline:3px solid var(--warm);outline-offset:2px;box-shadow:0 0 0 6px #fff;}
::selection{background:var(--accent);color:var(--brand-800);}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{background:var(--brand-800);color:#fff;}
.topbar{border-bottom:1px solid rgba(255,255,255,.08);}
.topbar-inner{display:flex;align-items:center;gap:24px;min-height:72px;padding:10px 0;}
.brand{display:inline-flex;align-items:center;gap:12px;color:#fff;flex:0 0 auto;}
.brand:hover{color:#fff;}
.brand-mark{
  width:42px;height:42px;border-radius:12px;background:var(--accent);color:var(--brand-800);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;letter-spacing:.02em;font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 2px rgba(201,240,76,.25);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.02em;}
.brand-text span{font-size:12px;color:#B9C6C0;letter-spacing:.16em;font-weight:600;}
.search{flex:1 1 auto;max-width:420px;display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-btn);padding:8px 16px;transition:border-color .2s ease,background .2s ease;}
.search:focus-within{border-color:var(--accent);background:rgba(255,255,255,.11);}
.search i{color:#9FB3AC;font-size:14px;}
.search input{flex:1;background:none;border:0;color:#fff;font-size:14px;outline:none;min-width:0;}
.search input::placeholder{color:#9FB3AC;}
.topbar-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto;}
.top-link{color:#D6E2DD;font-size:14px;font-weight:600;letter-spacing:.04em;padding:8px 4px;}
.top-link:hover{color:var(--accent);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border-radius:var(--r-btn);padding:13px 26px;font-size:15px;font-weight:700;
  letter-spacing:.03em;min-height:44px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn i{font-size:13px;transition:transform .18s ease;}
.btn-primary{background:var(--accent);color:var(--brand-800);box-shadow:0 6px 16px -10px rgba(201,240,76,.9);}
.btn-primary:hover{background:#D7F76E;color:var(--brand-800);transform:translateY(-2px);box-shadow:0 12px 24px -12px rgba(201,240,76,.95);}
.btn-primary:hover i{transform:translateX(4px);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--brand-800);border-color:var(--brand-800);}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-800);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-outline-light:hover{background:rgba(255,255,255,.1);color:#fff;border-color:var(--accent);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.24);color:#fff;font-size:17px;}

.mobile-panel{display:none;background:var(--brand-600);border-bottom:1px solid rgba(255,255,255,.1);}
.mobile-panel.is-open{display:block;}
.mobile-panel ul{padding:8px 0 18px;}
.mobile-panel li + li{border-top:1px solid rgba(255,255,255,.1);}
.mobile-panel a{display:block;padding:13px 4px;color:#EAF2EE;font-weight:600;font-size:15px;}

.channel-bar{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40;}
.channel-scroll{
  display:flex;align-items:center;gap:10px;overflow-x:auto;
  padding:0 32px;max-width:1200px;margin:0 auto;height:52px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:99px;font-size:14px;font-weight:600;color:var(--ink-600);
  letter-spacing:.02em;transition:background .18s ease,color .18s ease;
}
.channel-pill:hover{background:var(--brand-100);color:var(--brand-800);}
.channel-pill.is-active{background:var(--accent);color:var(--brand-800);font-weight:700;}

/* ---------- breadcrumb ---------- */
.crumb{padding:20px 0 0;font-size:13px;color:var(--ink-300);letter-spacing:.02em;}
.crumb a{color:var(--ink-600);}
.crumb a:hover{color:var(--brand-800);}
.crumb span.sep{margin:0 8px;color:var(--ink-300);}
.crumb .current{color:var(--brand-800);font-weight:600;}

/* ---------- hero ---------- */
.hero{
  margin-top:20px;position:relative;overflow:hidden;
  border-radius:var(--r-lg);color:#fff;
  background-color:var(--brand-800);
  background-image:linear-gradient(105deg,rgba(14,51,44,.96) 0%,rgba(14,51,44,.9) 46%,rgba(14,51,44,.62) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border:1px solid rgba(255,255,255,.08);
}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--accent);}
.hero-inner{padding:56px 48px 52px;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;position:relative;z-index:2;}
.badge-ribbon{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-badge);
  background:rgba(201,240,76,.14);border:1px solid rgba(201,240,76,.5);
  color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.16em;
}
.hero h1{
  font-size:44px;line-height:1.24;font-weight:800;letter-spacing:.01em;
  margin:20px 0 18px;color:#fff;
}
.hero h1 em{font-style:normal;color:var(--accent);border-bottom:4px solid rgba(201,240,76,.35);}
.hero-sub{font-size:16px;line-height:1.9;color:#D5E2DC;max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:38px;padding-top:26px;border-top:1px dashed rgba(255,255,255,.22);}
.hero-stats b{display:block;font-size:26px;font-weight:800;color:var(--accent);line-height:1.2;}
.hero-stats span{display:block;font-size:13px;color:#B9C6C0;letter-spacing:.04em;margin-top:4px;}
.hero-figure{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:0 24px 44px -24px rgba(0,0,0,.7);}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--brand-600);}
.tag-float{
  position:absolute;left:14px;top:14px;background:rgba(247,245,239,.94);color:var(--brand-800);
  font-size:12px;font-weight:800;letter-spacing:.1em;padding:6px 12px;border-radius:var(--r-badge);
}
.tag-float.bottom{top:auto;bottom:14px;left:auto;right:14px;background:var(--warm);color:#fff;}

/* ---------- chips ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:99px;
  background:var(--card);border:1px solid var(--line);color:var(--ink-600);
  font-size:14px;font-weight:600;transition:all .18s ease;
}
.chip:hover{background:var(--brand-100);border-color:var(--brand-600);color:var(--brand-800);transform:translateY(-2px);}
.chip i{font-size:12px;color:var(--warm);}

/* ---------- section ---------- */
.section{padding:var(--sp-section) 0 0;}
.section-head{max-width:760px;margin-bottom:32px;}
.section-kicker{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--warm);text-transform:uppercase;}
.section-kicker::before{content:"";width:24px;height:3px;background:var(--accent);border-radius:2px;}
.section h2{font-size:32px;line-height:1.32;font-weight:800;margin:12px 0 14px;letter-spacing:.01em;}
.section-desc{color:var(--ink-600);font-size:16px;line-height:1.9;}

/* ---------- feature rows ---------- */
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:34px 0;border-bottom:1px dashed var(--line);
}
.feature-row:last-child{border-bottom:0;}
.feature-media{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--brand-100);box-shadow:var(--shadow-1);}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.feature-row:hover .feature-media img{transform:scale(1.03);}
.feature-num{
  position:absolute;left:0;top:0;background:var(--brand-800);color:var(--accent);
  font-size:20px;font-weight:800;letter-spacing:.04em;padding:10px 18px;
  border-bottom-right-radius:14px;font-variant-numeric:tabular-nums;
}
.feature-body h3{font-size:22px;font-weight:800;line-height:1.4;margin-bottom:14px;}
.feature-body p{color:var(--ink-600);font-size:16px;line-height:1.9;margin-bottom:16px;}
.mini-list{display:grid;gap:10px;margin-bottom:20px;}
.mini-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-600);line-height:1.8;}
.mini-list i{color:var(--brand-600);font-size:13px;margin-top:7px;flex:0 0 auto;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;
  color:var(--brand-800);border-bottom:2px solid var(--accent);padding-bottom:3px;transition:all .18s ease;}
.link-arrow:hover{border-bottom-width:3px;gap:12px;color:var(--brand-800);}
@media (min-width:1024px){
  .feature-row.is-reverse .feature-media{order:2;}
  .feature-row.is-reverse .feature-body{order:1;}
}

/* ---------- timeline band ---------- */
.band{
  margin-top:var(--sp-section);border-radius:var(--r-lg);overflow:hidden;position:relative;
  background-color:var(--brand-800);color:#fff;
  background-image:linear-gradient(100deg,rgba(14,51,44,.97),rgba(22,76,65,.86)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;border:1px solid rgba(255,255,255,.08);
}
.band-inner{padding:52px 48px;position:relative;z-index:2;}
.band h2{font-size:30px;font-weight:800;line-height:1.34;margin-bottom:14px;color:#fff;}
.band .lead{color:#CFDCD6;max-width:660px;line-height:1.9;margin-bottom:34px;}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px dashed rgba(255,255,255,.22);}
.tl-item{padding:26px 22px 4px 0;position:relative;}
.tl-item::before{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;background:var(--accent);}
.tl-item .t{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--accent);margin-bottom:8px;}
.tl-item h3{font-size:17px;font-weight:700;margin-bottom:8px;color:#fff;line-height:1.5;}
.tl-item p{font-size:14px;color:#B9C6C0;line-height:1.8;}

/* ---------- cards ---------- */
.card{border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);box-shadow:var(--shadow-1);}
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rec-card{display:flex;flex-direction:column;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.rec-card:hover{transform:translateY(-4px);border-color:var(--brand-600);box-shadow:var(--shadow-2);}
.rec-card .cover{aspect-ratio:4/3;overflow:hidden;background:var(--brand-100);}
.rec-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.rec-card:hover .cover img{transform:scale(1.04);}
.rec-card .body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.rec-card h3{font-size:18px;font-weight:800;line-height:1.5;margin-bottom:10px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;}
.rec-card p{font-size:14px;color:var(--ink-600);line-height:1.8;margin-bottom:16px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.rec-card .meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;border-top:1px dashed var(--line);padding-top:14px;}
.badge-tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-badge);
  background:var(--brand-100);color:var(--brand-800);font-size:12px;font-weight:700;letter-spacing:.06em;}
.rec-card .meta i{color:var(--brand-600);transition:transform .2s ease;}
.rec-card:hover .meta i{transform:translateX(4px);}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;}
.accordion{border:0;background:none;margin:0;}
.accordion-item{border:1px solid var(--line);border-radius:12px;background:var(--card);margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.accordion-item:hover{border-color:var(--brand-600);box-shadow:var(--shadow-1);}
.accordion-item.is-active{border-color:var(--brand-600);box-shadow:var(--shadow-2);}
.accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:17px;font-weight:700;color:var(--ink-900);
  border:0;background:none;line-height:1.6;
}
.accordion-title:hover,.accordion-title:focus{background:var(--brand-100);color:var(--brand-800);}
.accordion-title::after{
  content:"+";font-size:20px;font-weight:700;color:var(--brand-800);
  width:28px;height:28px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  border-radius:50%;background:var(--brand-100);transition:transform .25s ease,background .2s ease;
}
.accordion-item.is-active .accordion-title::after{content:"−";background:var(--accent);}
.accordion-content{padding:0 22px 22px;font-size:16px;line-height:1.85;color:var(--ink-600);border:0;background:none;}
.accordion-content p{margin:0;}

/* ---------- cta bar ---------- */
.cta-bar{
  margin-top:var(--sp-section);border-radius:var(--r-lg);
  background:var(--brand-800);border:2px solid var(--accent);
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-bar h2{font-size:25px;font-weight:800;color:#fff;line-height:1.4;margin-bottom:8px;}
.cta-bar p{color:#B9C6C0;font-size:15px;line-height:1.8;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.toast{
  position:fixed;left:50%;bottom:30px;transform:translate(-50%,20px);
  background:var(--brand-800);color:var(--accent);padding:12px 22px;border-radius:99px;
  font-size:14px;font-weight:600;opacity:0;pointer-events:none;transition:all .3s ease;z-index:99;
  border:1px solid rgba(201,240,76,.5);
}
.toast.is-show{opacity:1;transform:translate(-50%,0);}

/* ---------- back top ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:12px;
  background:var(--brand-800);color:var(--accent);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-2);opacity:0;pointer-events:none;transition:all .25s ease;z-index:60;
}
.to-top.is-show{opacity:1;pointer-events:auto;}
.to-top:hover{background:var(--brand-600);color:#fff;transform:translateY(-3px);}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-800);color:#B9C6C0;margin-top:var(--sp-section);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.site-footer .brand{margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.9;color:#B9C6C0;max-width:330px;}
.footer-badge{display:inline-flex;margin-top:16px;padding:6px 14px;border-radius:var(--r-badge);
  border:1px solid rgba(201,240,76,.45);color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.1em;}
.site-footer h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.04em;}
.footer-list li{margin-bottom:10px;font-size:14px;line-height:1.8;}
.footer-list a{color:#B9C6C0;}
.footer-list a:hover{color:#fff;border-bottom:2px solid var(--accent);}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8FA49D;
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--sp-section:72px;}
  .hero h1{font-size:38px;}
}
@media (max-width:1023px){
  :root{--sp-section:64px;}
  .wrap{padding:0 24px;}
  .channel-scroll{padding:0 24px;}
  .search{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:44px 34px;}
  .hero h1{font-size:34px;}
  .hero-figure{max-width:560px;}
  .feature-row{grid-template-columns:1fr;gap:26px;padding:28px 0;}
  .grid-cards{grid-template-columns:repeat(2,1fr);}
  .timeline{grid-template-columns:repeat(2,1fr);row-gap:8px;}
  .band-inner{padding:40px 30px;}
  .cta-bar{padding:32px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .topbar-actions .top-link{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .topbar-inner{gap:14px;min-height:60px;}
  .brand-mark{width:38px;height:38px;font-size:16px;}
  .brand-text strong{font-size:15px;}
  .hero-inner{padding:34px 22px 38px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:18px;}
  .section h2{font-size:25px;}
  .band h2{font-size:24px;}
  .grid-cards{grid-template-columns:1fr;}
  .feature-body h3{font-size:19px;}
  .cta-bar{flex-direction:column;align-items:flex-start;gap:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .wrap{padding:0 16px;}
  .channel-scroll{padding:0 16px;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .timeline{grid-template-columns:1fr;}
  .topbar-actions .btn{padding:11px 18px;font-size:14px;}
  .hero h1{font-size:25px;}
}

/* roulang page: category3 */
:root{
  --ink-900:#101614;
  --ink-600:#4A5551;
  --ink-300:#8A948F;
  --brand-800:#0E332C;
  --brand-600:#164C41;
  --brand-100:#E2EBE6;
  --accent:#C9F04C;
  --warm:#D2603C;
  --paper:#F7F5EF;
  --card:#FFFFFF;
  --line:#DED9CC;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-sm:10px;
  --shadow-soft:0 1px 0 rgba(16,22,20,.04);
  --shadow-lift:0 12px 28px -12px rgba(14,51,44,.22);
  --space-section:88px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--paper);
  background-image:radial-gradient(rgba(14,51,44,.045) 1px,transparent 1px);
  background-size:22px 22px;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-800);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--brand-600);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.01em;line-height:1.3;color:var(--ink-900);}
p{margin:0;}
button{font-family:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-800);outline-offset:3px;box-shadow:0 0 0 5px rgba(201,240,76,.55);border-radius:6px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px;}
.grid-x.grid-padding-x{margin-left:-12px;margin-right:-12px;}
.grid-x.grid-padding-x>.cell{padding-left:12px;padding-right:12px;}

/* ---------- 顶栏 ---------- */
.site-header{position:relative;z-index:40;}
.topbar{background:var(--brand-800);color:#fff;border-bottom:3px solid var(--brand-600);}
.topbar-inner{display:flex;align-items:center;gap:24px;height:78px;}
.brand{display:flex;align-items:center;gap:12px;color:#fff;flex-shrink:0;}
.brand:hover{color:#fff;}
.brand-mark{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--accent);color:var(--brand-800);font-weight:800;font-size:18px;letter-spacing:.02em;
  font-variant-numeric:tabular-nums;box-shadow:inset 0 0 0 2px rgba(14,51,44,.18);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:19px;font-weight:800;letter-spacing:.06em;}
.brand-text span{font-size:12px;color:#B9C6C0;letter-spacing:.22em;}
.search-box{flex:1;position:relative;display:flex;align-items:center;max-width:420px;}
.search-box input[type="search"]{
  width:100%;height:44px;border-radius:999px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);color:#fff;padding:0 52px 0 20px;font-size:14px;line-height:44px;
  transition:border-color .2s ease,background-color .2s ease;
}
.search-box input[type="search"]::placeholder{color:#A9B7B1;}
.search-box input[type="search"]:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.14);}
.search-box button{
  position:absolute;right:6px;top:6px;width:32px;height:32px;border:0;border-radius:999px;
  background:var(--accent);color:var(--brand-800);font-size:14px;font-weight:700;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:transform .2s ease;
}
.search-box button:hover{transform:translateX(2px);}
.topbar-actions{display:flex;align-items:center;gap:18px;margin-left:auto;}
.top-link{color:#B9C6C0;font-size:14px;border-bottom:1px solid transparent;padding-bottom:2px;}
.top-link:hover{color:#fff;border-bottom-color:var(--accent);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.02em;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn .arrow{transition:transform .2s ease;font-variant-numeric:tabular-nums;}
.btn:hover .arrow{transform:translateX(4px);}
.btn-primary{background:var(--accent);color:var(--brand-800);box-shadow:0 2px 0 rgba(0,0,0,.12);}
.btn-primary:hover{background:#D6F86A;color:var(--brand-800);transform:translateY(-2px);box-shadow:var(--shadow-lift);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--brand-800);border-color:var(--brand-800);}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-800);transform:translateY(-2px);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.06);color:#fff;font-size:13px;font-weight:700;cursor:pointer;
}
.mobile-menu{display:none;padding:6px 0 18px;}
.mobile-menu a{display:block;padding:13px 4px;color:#DCE5E0;font-size:15px;border-bottom:1px dashed rgba(255,255,255,.16);}
.mobile-menu a:hover{color:var(--accent);}
.mobile-menu.is-open{display:block;}

/* ---------- 频道 Tabs ---------- */
.channel-scroll{
  background:var(--paper);border-bottom:1px solid var(--line);
  display:flex;gap:10px;align-items:center;
  padding:8px 32px;overflow-x:auto;scrollbar-width:none;
  position:sticky;top:0;z-index:30;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-600);background:transparent;
  border:1px solid transparent;white-space:nowrap;transition:all .2s ease;
}
.channel-pill:hover{background:var(--brand-100);color:var(--brand-800);}
.channel-pill.is-active{background:var(--accent);color:var(--brand-800);border-color:rgba(14,51,44,.18);box-shadow:0 2px 0 rgba(14,51,44,.10);}

/* ---------- Hero ---------- */
.hero{padding:56px 0 0;position:relative;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-800);background:var(--brand-100);border:1px solid rgba(14,51,44,.14);
  padding:5px 14px;border-radius:6px;
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--warm);display:inline-block;}
.hero h1{font-size:46px;margin:20px 0 0;line-height:1.24;letter-spacing:.005em;}
.hero h1 em{font-style:normal;background:linear-gradient(transparent 62%,var(--accent) 62%);padding:0 2px;}
.hero-sub{margin-top:18px;font-size:17px;color:var(--ink-600);max-width:34em;}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}
.stat-row{display:grid;grid-template-columns:repeat(4,auto);gap:34px;margin-top:38px;padding-top:24px;border-top:1px dashed var(--line);}
.stat-row .num{font-size:28px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--brand-800);line-height:1.2;}
.stat-row .lbl{font-size:13px;color:var(--ink-300);letter-spacing:.06em;}
.hero-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:var(--brand-100);aspect-ratio:4/3;}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.tag-float{
  position:absolute;left:16px;top:16px;background:rgba(14,51,44,.92);color:#fff;
  font-size:13px;font-weight:600;letter-spacing:.06em;padding:7px 14px;border-radius:8px;
  border:1px solid rgba(201,240,76,.45);
}
.tag-float.right{left:auto;right:16px;top:auto;bottom:16px;background:var(--accent);color:var(--brand-800);border-color:rgba(14,51,44,.2);font-variant-numeric:tabular-nums;}
.hero-rule{height:3px;background:var(--accent);margin-top:56px;border-radius:3px;}

/* ---------- 板块通用 ---------- */
.section{padding:var(--space-section) 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px;}
.section-head h2{font-size:32px;position:relative;padding-left:22px;}
.section-head h2::before{content:"";position:absolute;left:0;top:12px;width:8px;height:26px;background:var(--accent);border-radius:3px;}
.section-head .desc{color:var(--ink-600);font-size:15px;max-width:56em;margin-top:10px;padding-left:22px;}
.section-note{font-size:13px;color:var(--ink-300);letter-spacing:.06em;font-variant-numeric:tabular-nums;}

/* ---------- 规格表 ---------- */
.table-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:8px;box-shadow:var(--shadow-soft);}
.table-scroll{overflow-x:auto;}
table.spec-table{width:100%;border-collapse:collapse;min-width:880px;font-size:14.5px;}
table.spec-table caption{caption-side:top;text-align:left;padding:18px 20px 12px;font-size:13px;color:var(--ink-300);letter-spacing:.06em;}
table.spec-table thead th{
  background:var(--brand-800);color:#fff;font-weight:700;font-size:13.5px;letter-spacing:.06em;
  text-align:left;padding:14px 18px;white-space:nowrap;
}
table.spec-table thead th:first-child{border-top-left-radius:10px;}
table.spec-table thead th:last-child{border-top-right-radius:10px;}
table.spec-table tbody th{
  text-align:left;font-weight:700;color:var(--brand-800);padding:15px 18px;white-space:nowrap;
  border-bottom:1px solid var(--line);background:#FBF9F4;
}
table.spec-table tbody td{padding:15px 18px;border-bottom:1px solid var(--line);color:var(--ink-600);vertical-align:top;}
table.spec-table tbody tr:nth-child(even) td{background:#FCFAF5;}
table.spec-table tbody tr:hover td{background:var(--brand-100);}
table.spec-table tbody tr:last-child th,table.spec-table tbody tr:last-child td{border-bottom:0;}
.cell-strong{color:var(--ink-900);font-weight:600;font-variant-numeric:tabular-nums;}
.table-foot{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:14px 18px 8px;}
.table-foot p{font-size:13px;color:var(--ink-300);}
.chip-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;border-radius:999px;
  font-size:13.5px;font-weight:600;color:var(--brand-800);background:var(--card);
  border:1px solid var(--line);transition:all .2s ease;
}
.chip:hover{background:var(--brand-100);border-color:var(--brand-600);color:var(--brand-800);transform:translateY(-2px);}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--warm);}

/* ---------- 三张说明卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gutter);}
.info-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 24px;box-shadow:var(--shadow-soft);position:relative;overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.info-card::after{
  content:"";position:absolute;right:-26px;top:-26px;width:56px;height:56px;
  background:var(--brand-100);transform:rotate(45deg);
}
.info-card:hover{transform:translateY(-4px);border-color:var(--brand-600);box-shadow:var(--shadow-lift);}
.info-card .idx{font-size:34px;font-weight:800;color:var(--accent);-webkit-text-stroke:1px rgba(14,51,44,.25);font-variant-numeric:tabular-nums;line-height:1;}
.info-card h3{font-size:19px;margin:14px 0 10px;}
.info-card p{font-size:14.5px;color:var(--ink-600);}
.info-card ul{margin-top:14px;display:grid;gap:8px;}
.info-card li{font-size:14px;color:var(--ink-600);padding-left:18px;position:relative;}
.info-card li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:2px;background:var(--warm);}

/* ---------- 要点说明（图文） ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:var(--brand-100);aspect-ratio:16/11;}
.split-media img{width:100%;height:100%;object-fit:cover;}
.point-list{display:grid;gap:0;}
.point-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px dashed var(--line);}
.point-item:last-child{border-bottom:0;}
.point-num{
  flex:0 0 42px;height:42px;border-radius:12px;background:var(--brand-800);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
}
.point-item h3{font-size:18px;margin-bottom:6px;}
.point-item p{font-size:14.5px;color:var(--ink-600);}

/* ---------- 相关推荐卡 ---------- */
.rec-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;height:100%;box-shadow:var(--shadow-soft);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rec-card:hover{transform:translateY(-4px);border-color:var(--brand-600);box-shadow:var(--shadow-lift);}
.rec-media{aspect-ratio:16/10;overflow:hidden;background:var(--brand-100);}
.rec-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rec-card:hover .rec-media img{transform:scale(1.04);}
.rec-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:18px;}
.rec-body p{font-size:14px;color:var(--ink-600);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:10px;border-top:1px dashed var(--line);}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:6px;
  font-size:12.5px;font-weight:600;letter-spacing:.04em;background:var(--brand-100);color:var(--brand-800);
}
.rec-arrow{font-weight:800;color:var(--brand-800);font-size:16px;transition:transform .2s ease;}
.rec-card:hover .rec-arrow{transform:translateX(4px);}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--brand-800);border:1px solid var(--brand-600);border-radius:var(--radius-lg);
  padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  position:relative;overflow:hidden;box-shadow:var(--shadow-lift);
}
.cta-band::before{
  content:"";position:absolute;left:-40px;top:-40px;width:160px;height:160px;border-radius:50%;
  border:2px dashed rgba(201,240,76,.28);
}
.cta-band h2{color:#fff;font-size:26px;}
.cta-band p{color:#B9C6C0;font-size:14.5px;margin-top:8px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-toast{
  margin-top:14px;font-size:13px;color:var(--accent);letter-spacing:.04em;min-height:20px;
}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:0;max-width:940px;}
.accordion{margin:0;background:transparent;border:0;}
.accordion .accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.accordion .accordion-item:hover{border-color:var(--brand-600);box-shadow:var(--shadow-soft);}
.accordion .accordion-title{
  border:0;background:transparent;color:var(--ink-900);font-size:17px;font-weight:700;
  padding:20px 56px 20px 22px;line-height:1.5;position:relative;
}
.accordion .accordion-title:hover{background:#FBFAF5;color:var(--brand-800);}
.accordion .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  float:none;margin:0;color:var(--brand-800);font-size:22px;font-weight:700;line-height:1;
}
.accordion .accordion-title[aria-expanded="true"]::before{content:"−";color:var(--warm);}
.accordion .accordion-content{
  border:0;border-top:1px dashed var(--line);background:#FCFAF5;
  padding:18px 22px 22px;color:var(--ink-600);font-size:15px;line-height:1.85;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-800);color:#B9C6C0;margin-top:var(--space-section);padding:64px 0 26px;border-top:4px solid var(--brand-600);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.site-footer .brand{margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.85;color:#9FAEA7;max-width:30em;}
.footer-badge{
  display:inline-block;margin-top:16px;font-size:12.5px;letter-spacing:.08em;
  color:var(--accent);border:1px solid rgba(201,240,76,.4);border-radius:6px;padding:4px 12px;
}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700;letter-spacing:.06em;}
.footer-list{display:grid;gap:11px;}
.footer-list a{color:#B9C6C0;font-size:14px;border-bottom:1px solid transparent;}
.footer-list a:hover{color:#fff;border-bottom-color:var(--accent);}
.footer-list li{font-size:14px;color:#9FAEA7;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8C9B95;
}
.footer-bottom a{color:#B9C6C0;}
.footer-bottom a:hover{color:#fff;}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:12px;
  background:var(--brand-800);color:var(--accent);border:1px solid var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;
  cursor:pointer;opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease;z-index:50;
}
.to-top.is-visible{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-3px);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  :root{--space-section:64px;}
  .wrap{padding:0 24px;}
  .topbar-inner{height:68px;gap:16px;}
  .search-box{max-width:none;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero h1{font-size:36px;}
  .hero{padding-top:40px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section-head h2{font-size:27px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 26px;}
  .stat-row{grid-template-columns:repeat(2,1fr);gap:22px;}
}
@media screen and (max-width:767px){
  .search-box,.topbar-actions{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;margin-left:auto;}
  .topbar-inner{height:62px;}
  .channel-scroll{padding:8px 16px;}
  .wrap{padding:0 16px;}
  .hero h1{font-size:29px;}
  .hero-sub{font-size:15.5px;}
  .card-grid{grid-template-columns:1fr;}
  .section-head h2{font-size:23px;padding-left:16px;}
  .section-head h2::before{top:8px;width:6px;height:20px;}
  .section-head .desc{padding-left:16px;font-size:14px;}
  .cta-band h2{font-size:21px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;font-size:12.5px;}
  .to-top{right:16px;bottom:16px;}
  .accordion .accordion-title{font-size:15.5px;padding:17px 48px 17px 18px;}
}
@media screen and (max-width:420px){
  .hero h1{font-size:26px;}
  .stat-row .num{font-size:23px;}
}

/* roulang page: category4 */
:root{
  --ink-900:#101614;
  --ink-600:#4A5551;
  --ink-300:#8A948F;
  --brand-800:#0E332C;
  --brand-600:#164C41;
  --brand-100:#E2EBE6;
  --accent:#C9F04C;
  --warm:#D2603C;
  --paper:#F7F5EF;
  --card:#FFFFFF;
  --line:#DED9CC;
  --r-card:16px;
  --r-img:20px;
  --r-btn:999px;
  --r-badge:6px;
  --shadow-soft:0 1px 0 rgba(16,22,20,.04);
  --shadow-hover:0 12px 28px -12px rgba(14,51,44,.22);
  --maxw:1200px;
  --gap-section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-900);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-800);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-600);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.01em;line-height:1.35;color:var(--ink-900);}
p{margin:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
:focus-visible{outline:3px solid var(--brand-600);outline-offset:3px;box-shadow:0 0 0 6px #fff;}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px;}
.grid-container{max-width:var(--maxw);}
.num{font-variant-numeric:tabular-nums;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  border:1px solid transparent;text-align:center;
}
.btn i{transition:transform .18s ease;font-size:13px;}
.btn:hover i.fa-arrow-right{transform:translateX(4px);}
.btn-primary{background:var(--accent);color:var(--brand-800);box-shadow:0 1px 0 rgba(16,22,20,.06);}
.btn-primary:hover{background:#d7f96d;color:var(--brand-800);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--brand-800);border-color:var(--brand-800);}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-800);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-onDark{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-onDark:hover{background:rgba(255,255,255,.12);color:var(--accent);border-color:var(--accent);}
.btn-sm{min-height:42px;padding:0 20px;font-size:14px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;
  color:var(--brand-800);border-bottom:2px solid var(--accent);padding-bottom:2px;
}
.link-arrow:hover{border-bottom-width:3px;}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--brand-800);box-shadow:0 2px 12px rgba(14,51,44,.18);}
.nav-top-inner{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:12px;background:var(--accent);color:var(--brand-800);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;letter-spacing:0;font-variant-numeric:tabular-nums;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{color:#fff;font-size:18px;font-weight:800;letter-spacing:.02em;}
.brand-text span{color:rgba(255,255,255,.62);font-size:12px;letter-spacing:.14em;font-weight:600;}
.nav-search{
  flex:1 1 auto;max-width:420px;display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-btn);padding:0 18px;min-height:44px;
  transition:border-color .18s ease,background .18s ease;
}
.nav-search:focus-within{border-color:var(--accent);background:rgba(255,255,255,.13);}
.nav-search i{color:rgba(255,255,255,.6);font-size:14px;}
.nav-search input{
  flex:1;background:transparent;border:0;outline:none;color:#fff;font-size:14px;min-height:42px;
}
.nav-search input::placeholder{color:rgba(255,255,255,.55);}
.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto;}
.nav-link-quiet{color:rgba(255,255,255,.78);font-size:14px;font-weight:600;}
.nav-link-quiet:hover{color:var(--accent);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.1);
  color:#fff;align-items:center;justify-content:center;font-size:17px;
  border:1px solid rgba(255,255,255,.22);
}
.nav-channel{background:var(--paper);border-bottom:1px solid var(--line);}
.channel-scroll{
  display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-btn);font-size:14px;font-weight:600;color:var(--ink-600);
  white-space:nowrap;transition:background .18s ease,color .18s ease;
}
.channel-pill:hover{background:var(--brand-100);color:var(--brand-800);}
.channel-pill.is-active{background:var(--accent);color:var(--brand-800);font-weight:700;}
.mobile-drawer{display:none;background:var(--brand-800);border-top:1px solid rgba(255,255,255,.14);padding:14px 0 20px;}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .channel-pill{color:rgba(255,255,255,.82);height:40px;width:100%;}
.mobile-drawer .channel-pill:hover{background:rgba(255,255,255,.1);color:var(--accent);}
.mobile-drawer .channel-pill.is-active{background:var(--accent);color:var(--brand-800);}
.mobile-drawer .drawer-cta{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap;}
.mobile-drawer .drawer-cta .btn{flex:1 1 160px;}

/* ============ 面包屑 ============ */
.crumb-bar{padding:22px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-300);}
.crumb a{color:var(--ink-600);}
.crumb a:hover{color:var(--brand-800);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--ink-900);font-weight:600;}

/* ============ Hero ============ */
.hero{padding:34px 0 0;}
.hero-inner{position:relative;padding-bottom:34px;}
.hero-inner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--accent) 0 120px,var(--line) 120px 100%);
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-badge);
  background:var(--brand-100);color:var(--brand-800);font-size:12px;font-weight:600;letter-spacing:.08em;
  margin-bottom:20px;
}
.hero-badge i{color:var(--warm);font-size:11px;}
.hero-title{font-size:44px;line-height:1.22;letter-spacing:.005em;margin-bottom:18px;}
.hero-title .hl{
  display:inline-block;background:linear-gradient(transparent 62%,var(--accent) 62%);
  padding:0 2px;
}
.hero-sub{max-width:560px;font-size:17px;color:var(--ink-600);margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px 40px;padding-top:22px;border-top:1px dashed var(--line);}
.stat{min-width:96px;}
.stat-num{display:block;font-size:28px;font-weight:800;color:var(--brand-800);line-height:1.2;font-variant-numeric:tabular-nums;}
.stat-label{font-size:12px;color:var(--ink-300);letter-spacing:.06em;}
.hero-media{position:relative;border-radius:var(--r-img);overflow:hidden;background:var(--brand-100);aspect-ratio:16/11;}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-tag{
  position:absolute;left:18px;bottom:18px;background:rgba(14,51,44,.88);color:#fff;
  padding:8px 16px;border-radius:var(--r-badge);font-size:13px;font-weight:600;letter-spacing:.04em;
  backdrop-filter:blur(2px);
}
.hero-tag b{color:var(--accent);font-variant-numeric:tabular-nums;}
.hero-num{
  position:absolute;right:18px;top:18px;background:var(--accent);color:var(--brand-800);
  width:56px;height:56px;border-radius:14px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;font-weight:800;font-size:19px;line-height:1;
}
.hero-num small{font-size:10px;font-weight:600;letter-spacing:.1em;margin-top:4px;}

/* ============ 通用板块 ============ */
.section{padding:var(--gap-section) 0 0;}
.section-head{margin-bottom:28px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;
  letter-spacing:.1em;color:var(--warm);margin-bottom:12px;
}
.eyebrow::before{content:"";width:24px;height:3px;background:var(--accent);border-radius:2px;}
.section-title{font-size:30px;line-height:1.32;}
.section-desc{margin-top:12px;max-width:760px;font-size:15px;color:var(--ink-600);}
.section-foot{margin-top:30px;}

/* ============ 锚点 chips ============ */
.anchor-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px;}
.anchor-chip{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;
  border-radius:var(--r-btn);border:1px solid var(--line);background:var(--card);
  font-size:13px;font-weight:600;color:var(--ink-600);transition:all .18s ease;
}
.anchor-chip:hover{border-color:var(--brand-600);color:var(--brand-800);background:var(--brand-100);transform:translateY(-2px);}
.anchor-chip i{font-size:11px;color:var(--warm);}

/* ============ 标签墙 ============ */
.tag-wall{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--shadow-soft);
}
.tag-group + .tag-group{margin-top:24px;padding-top:22px;border-top:1px dashed var(--line);}
.tag-group-title{
  display:flex;align-items:center;gap:10px;font-size:14px;font-weight:700;
  color:var(--brand-800);letter-spacing:.04em;margin-bottom:14px;
}
.tag-group-title span{
  font-size:12px;font-weight:600;color:var(--ink-300);letter-spacing:.06em;
}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:7px;padding:7px 15px;border-radius:var(--r-btn);
  background:var(--paper);border:1px solid var(--line);color:var(--ink-600);
  font-size:13.5px;font-weight:600;transition:all .16s ease;min-height:38px;
}
.tag-pill:hover{background:var(--brand-800);border-color:var(--brand-800);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.tag-pill.is-hot{background:var(--brand-100);border-color:var(--brand-100);color:var(--brand-800);}
.tag-pill.is-hot:hover{background:var(--brand-800);color:#fff;}
.tag-pill.is-mark{background:rgba(210,96,60,.1);border-color:rgba(210,96,60,.28);color:var(--warm);}
.tag-pill.is-mark:hover{background:var(--warm);border-color:var(--warm);color:#fff;}
.tag-count{
  font-size:11px;font-weight:700;color:var(--ink-300);font-variant-numeric:tabular-nums;
}
.tag-pill:hover .tag-count{color:rgba(255,255,255,.7);}

/* ============ 聚合块 ============ */
.group-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:0;overflow:hidden;box-shadow:var(--shadow-soft);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.group-card:hover{transform:translateY(-4px);border-color:var(--brand-600);box-shadow:var(--shadow-hover);}
.group-cover{position:relative;aspect-ratio:4/3;background:var(--brand-100);overflow:hidden;}
.group-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.group-card:hover .group-cover img{transform:scale(1.04);}
.group-index{
  position:absolute;left:0;top:0;background:var(--brand-800);color:var(--accent);
  font-size:13px;font-weight:800;letter-spacing:.08em;padding:6px 14px;
  border-bottom-right-radius:12px;font-variant-numeric:tabular-nums;
}
.group-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.group-body h3{font-size:19px;margin-bottom:10px;}
.group-body p{font-size:14px;color:var(--ink-600);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;}
.group-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px;}
.mini-tag{
  font-size:12px;font-weight:600;color:var(--ink-600);background:var(--paper);
  border:1px solid var(--line);border-radius:6px;padding:3px 9px;
}
.group-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px dashed var(--line);
}
.group-foot .cnt{font-size:12px;color:var(--ink-300);letter-spacing:.04em;font-variant-numeric:tabular-nums;}
.group-foot .go{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--brand-800);}
.group-card:hover .group-foot .go i{transform:translateX(4px);}
.group-foot .go i{transition:transform .18s ease;font-size:11px;}

/* ============ 说明区 ============ */
.note-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-img);
  overflow:hidden;box-shadow:var(--shadow-soft);
}
.note-media{position:relative;aspect-ratio:4/3;min-height:100%;background:var(--brand-100);}
.note-media img{width:100%;height:100%;object-fit:cover;}
.note-body{padding:32px;}
.note-body h2{font-size:26px;margin-bottom:14px;}
.note-body > p{font-size:15px;color:var(--ink-600);margin-bottom:22px;}
.note-list li{
  display:flex;gap:14px;padding:16px 0;border-top:1px dashed var(--line);
}
.note-list li:first-child{border-top:0;padding-top:0;}
.note-list .no{
  flex:0 0 34px;height:34px;border-radius:10px;background:var(--brand-100);color:var(--brand-800);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.note-list h4{font-size:16px;margin-bottom:4px;}
.note-list p{font-size:14px;color:var(--ink-600);line-height:1.75;}

/* ============ 相关推荐 ============ */
.rec-card{
  display:flex;flex-direction:column;height:100%;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rec-card:hover{transform:translateY(-4px);border-color:var(--brand-600);box-shadow:var(--shadow-hover);}
.rec-cover{aspect-ratio:16/9;background:var(--brand-100);overflow:hidden;}
.rec-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rec-card:hover .rec-cover img{transform:scale(1.03);}
.rec-body{padding:20px 22px 22px;}
.rec-badge{
  display:inline-block;font-size:12px;font-weight:700;color:var(--brand-800);
  background:var(--brand-100);border-radius:var(--r-badge);padding:3px 10px;margin-bottom:12px;
}
.rec-body h3{font-size:18px;margin-bottom:8px;}
.rec-body p{font-size:14px;color:var(--ink-600);line-height:1.78;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand-800);
  border:1px solid var(--accent);border-radius:var(--r-img);
  padding:36px 38px;display:flex;flex-wrap:wrap;align-items:center;gap:26px;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  border:2px dashed rgba(201,240,76,.28);border-radius:50%;
}
.cta-band-copy{flex:1 1 380px;position:relative;z-index:1;}
.cta-band-copy h2{color:#fff;font-size:26px;margin-bottom:8px;}
.cta-band-copy p{color:rgba(255,255,255,.72);font-size:15px;}
.cta-band-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1;}
.cta-tip{margin-top:12px;font-size:13px;color:var(--accent);display:none;}
.cta-tip.show{display:block;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:0 22px;box-shadow:var(--shadow-soft);transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:var(--brand-600);box-shadow:var(--shadow-hover);}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:18px;font-weight:600;color:var(--ink-900);cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .sign{
  flex:0 0 30px;height:30px;border-radius:50%;background:var(--brand-100);color:var(--brand-800);
  display:flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform .22s ease,background .22s ease,color .22s ease;
}
.faq-item[open] summary .sign{transform:rotate(135deg);background:var(--accent);}
.faq-answer{padding:0 0 22px;font-size:16px;line-height:1.8;color:var(--ink-600);border-top:1px dashed var(--line);padding-top:18px;}

/* ============ 页脚 ============ */
.site-footer{margin-top:var(--gap-section);background:var(--brand-800);color:rgba(255,255,255,.78);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.site-footer .brand-text strong{color:#fff;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin-top:4px;}
.footer-badge{
  display:inline-block;margin-top:16px;padding:5px 14px;border-radius:var(--r-badge);
  background:rgba(201,240,76,.14);color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.08em;
}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.04em;}
.footer-list li{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:10px;line-height:1.7;}
.footer-list a{color:#B9C6C0;}
.footer-list a:hover{color:#fff;border-bottom:2px solid var(--accent);padding-bottom:1px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:12px;
  background:var(--brand-800);color:var(--accent);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-hover);z-index:70;opacity:0;pointer-events:none;
  transition:opacity .22s ease,transform .22s ease;border:1px solid rgba(201,240,76,.4);
}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-3px);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--gap-section:76px;}
  .hero-title{font-size:38px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:1023px){
  :root{--gap-section:64px;}
  .wrap{padding:0 24px;}
  .nav-search{display:none;}
  .nav-link-quiet{display:none;}
  .hero-title{font-size:33px;}
  .hero-media{aspect-ratio:16/10;margin-top:28px;}
  .section-title{font-size:26px;}
  .note-body{padding:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:30px 26px;}
}
@media (max-width:767px){
  :root{--gap-section:48px;}
  .wrap{padding:0 16px;}
  .nav-top-inner{min-height:60px;gap:14px;}
  .nav-actions .btn-sm{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-channel{display:none;}
  .brand-mark{width:38px;height:38px;font-size:16px;}
  .brand-text strong{font-size:16px;}
  .brand-text span{font-size:11px;letter-spacing:.1em;}
  .hero{padding-top:22px;}
  .hero-title{font-size:27px;line-height:1.3;}
  .hero-sub{font-size:15.5px;}
  .hero-cta{gap:10px;}
  .hero-cta .btn{flex:1 1 100%;}
  .hero-stats{gap:14px 22px;}
  .stat-num{font-size:23px;}
  .section-title{font-size:23px;}
  .section-desc{font-size:14.5px;}
  .tag-wall{padding:22px 18px;}
  .note-body{padding:22px 18px;}
  .note-body h2{font-size:21px;}
  .cta-band-copy h2{font-size:21px;}
  .cta-band-actions{width:100%;}
  .cta-band-actions .btn{flex:1 1 100%;}
  .faq-item summary{font-size:16px;padding:16px 0;}
  .faq-answer{font-size:15px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:48px 0 24px;}
  .footer-bottom{font-size:12px;}
  .to-top{right:16px;bottom:16px;width:42px;height:42px;}
}
@media (max-width:520px){
  .hero-title{font-size:24px;}
  .stat{min-width:44%;}
  .tag-pill{font-size:13px;padding:6px 12px;}
}

/* roulang page: category5 */
:root{
  --ink-900:#101614;
  --ink-600:#4A5551;
  --ink-300:#8A948F;
  --brand-800:#0E332C;
  --brand-600:#164C41;
  --brand-100:#E2EBE6;
  --accent:#C9F04C;
  --warm:#D2603C;
  --paper:#F7F5EF;
  --card:#FFFFFF;
  --line:#DED9CC;
  --radius-card:16px;
  --radius-lg:20px;
  --shadow-1:0 1px 0 rgba(16,22,20,.04);
  --shadow-2:0 12px 28px -12px rgba(14,51,44,.22);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-900);
  background-color:var(--paper);
  background-image:radial-gradient(rgba(14,51,44,.05) 1px, transparent 1px);
  background-size:22px 22px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--brand-800);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--warm)}
button{font-family:inherit}
[id]{scroll-margin-top:96px}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--brand-600);
  outline-offset:2px;
  box-shadow:0 0 0 4px #ffffff;
}
.grid-container{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px}
.grid-container.full{padding-left:32px;padding-right:32px;max-width:1200px}
.grid-x{display:flex;flex-flow:row wrap;margin-left:-12px;margin-right:-12px}
.grid-x>.cell{padding-left:12px;padding-right:12px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;box-shadow:0 1px 0 rgba(16,22,20,.06)}
.topbar{background:var(--brand-800)}
.topbar-inner{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand:hover{color:inherit}
.brand-mark{
  width:42px;height:42px;border-radius:12px;background:var(--accent);color:var(--brand-800);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;
  letter-spacing:-.02em;font-variant-numeric:tabular-nums;
}
.brand-text strong{display:block;font-size:17px;font-weight:800;line-height:1.2;color:#fff;letter-spacing:.01em}
.brand-text span{display:block;font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--accent);line-height:1.4}
.topbar-panel{display:flex;align-items:center;gap:20px;flex:1 1 auto;min-width:0}
.topbar-search{display:flex;align-items:center;gap:8px;flex:1 1 auto;max-width:440px;min-width:0}
.topbar-search input{
  width:100%;height:42px;padding:0 18px;border-radius:999px;font-size:14px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);color:#fff;
  transition:border-color .2s ease,background .2s ease;
}
.topbar-search input::placeholder{color:#9FB3AB}
.topbar-search input:focus{background:rgba(255,255,255,.14);border-color:var(--accent)}
.topbar-search button{
  flex:0 0 auto;height:42px;padding:0 20px;border-radius:999px;border:1px solid rgba(255,255,255,.28);
  background:transparent;color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;
}
.topbar-search button:hover{background:rgba(255,255,255,.12)}
.topbar-actions{display:flex;align-items:center;gap:18px;margin-left:auto;flex:0 0 auto}
.topbar-link{color:#C3D2CB;font-size:14px;font-weight:600}
.topbar-link:hover{color:#fff}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;cursor:pointer;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);color:#fff;font-size:18px;
  align-items:center;justify-content:center;
}
.channel-bar{background:var(--paper);border-bottom:1px solid var(--line)}
.channel-scroll{
  display:flex;gap:8px;overflow-x:auto;padding:10px 0;scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-pill{
  flex:0 0 auto;padding:8px 18px;border-radius:999px;font-size:15px;font-weight:600;
  color:var(--ink-600);border:1px solid transparent;white-space:nowrap;transition:all .2s ease;
}
.channel-pill:hover{background:var(--brand-100);color:var(--brand-800)}
.channel-pill.is-active{background:var(--accent);color:var(--brand-800);border-color:var(--accent)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:999px;font-size:15px;font-weight:700;
  letter-spacing:.01em;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn .arrow{transition:transform .2s ease}
.btn-primary{background:var(--accent);color:var(--brand-800);border-color:var(--accent)}
.btn-primary:hover{background:#d7f873;color:var(--brand-800);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:hover .arrow{transform:translateX(4px)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-ghost{background:transparent;color:var(--brand-800);border-color:var(--brand-800)}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-800);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.btn-light:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;min-height:40px;font-size:14px}

/* ---------- 通用板块 ---------- */
.sec{padding:88px 0}
.sec-tight{padding:64px 0}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-title{
  position:relative;padding-left:18px;font-size:32px;font-weight:800;line-height:1.35;letter-spacing:.01em;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:3px;background:var(--accent);
}
.sec-desc{margin-top:14px;color:var(--ink-600);font-size:16px;line-height:1.85}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--warm);text-transform:uppercase;margin-bottom:12px;
}
.badge-warm{
  display:inline-block;padding:5px 12px;border-radius:6px;background:var(--warm);color:#fff;
  font-size:13px;font-weight:700;letter-spacing:.06em;
}
.badge-soft{
  display:inline-block;padding:4px 10px;border-radius:6px;background:var(--brand-100);color:var(--brand-800);
  font-size:12px;font-weight:700;letter-spacing:.06em;
}

/* ---------- Hero ---------- */
.hero{padding:64px 0 72px;position:relative}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,var(--accent) 0 120px,var(--line) 120px 100%);
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero h1{
  margin-top:18px;font-size:46px;line-height:1.28;font-weight:800;letter-spacing:.01em;
}
.hero h1 em{font-style:normal;position:relative;white-space:nowrap}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;background:var(--accent);
  border-radius:2px;opacity:.55;z-index:-1;
}
.hero-sub{margin-top:18px;font-size:17px;color:var(--ink-600);line-height:1.9;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-chips a{
  display:inline-block;padding:7px 15px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:14px;font-weight:600;color:var(--ink-600);transition:all .2s ease;
}
.hero-chips a:hover{border-color:var(--brand-600);color:var(--brand-800);background:var(--brand-100)}
.trust-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  margin-top:34px;padding-top:26px;border-top:1px dashed var(--line);
}
.trust-num{
  font-size:28px;font-weight:800;line-height:1.2;color:var(--brand-800);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.trust-num small{font-size:13px;font-weight:700;margin-left:3px;letter-spacing:.02em}
.trust-label{font-size:13px;color:var(--ink-300);line-height:1.6;margin-top:2px}
.hero-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-1);background:var(--brand-100);
}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.media-tag{
  position:absolute;left:18px;bottom:18px;padding:8px 14px;border-radius:10px;
  background:rgba(14,51,44,.86);color:#fff;font-size:13px;font-weight:700;letter-spacing:.06em;
  backdrop-filter:blur(4px);
}
.media-tag-2{
  left:auto;right:18px;top:18px;bottom:auto;background:var(--accent);color:var(--brand-800);
}

/* ---------- 权益卡 ---------- */
.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.benefit-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
}
.benefit-card:hover{transform:translateY(-4px);border-color:var(--brand-600);box-shadow:var(--shadow-2)}
.benefit-num{
  font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--warm);
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.benefit-card h3{font-size:19px;font-weight:800;line-height:1.5;margin-bottom:10px;color:var(--brand-800)}
.benefit-card p{font-size:14.5px;color:var(--ink-600);line-height:1.85}

/* ---------- FAQ 双列 ---------- */
.faq-sec{background:var(--brand-100);border-radius:0}
.faq-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.faq-col{display:flex;flex-direction:column;gap:14px}
.accordion{background:transparent;border:0;margin:0}
.accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  transition:border-color .2s ease,box-shadow .2s ease;overflow:hidden;
}
.accordion-item:hover{border-color:var(--brand-600)}
.accordion-item.is-active{border-color:var(--brand-600);box-shadow:var(--shadow-2)}
.accordion-title{
  position:relative;display:block;padding:18px 56px 18px 20px;border:0;border-radius:12px;
  font-size:17px;font-weight:700;line-height:1.6;color:var(--ink-900);background:transparent;
  transition:color .2s ease;
}
.accordion-title:hover{color:var(--brand-800);background:transparent}
.accordion-title::before{
  content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:8px;background:var(--brand-100);color:var(--brand-800);
  font-size:18px;font-weight:700;line-height:28px;text-align:center;margin:0;
  display:block;transition:background .2s ease,transform .2s ease;
}
.accordion-item.is-active .accordion-title::before{
  content:"−";background:var(--accent);color:var(--brand-800);
}
.accordion-content{
  padding:0 20px 20px;border-top:1px dashed var(--line);
  color:var(--ink-600);font-size:15px;line-height:1.85;
}
.accordion-content p{margin-top:14px}
.faq-note{
  margin-top:24px;font-size:14px;color:var(--ink-600);display:flex;gap:10px;align-items:flex-start;
}
.faq-note::before{
  content:"";flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:var(--warm);margin-top:10px;
}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px 24px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--brand-600);box-shadow:var(--shadow-2)}
.step-idx{
  font-size:32px;font-weight:800;line-height:1;color:var(--brand-100);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;margin-bottom:14px;
}
.step h3{font-size:18px;font-weight:800;color:var(--brand-800);margin-bottom:10px}
.step p{font-size:14.5px;color:var(--ink-600);line-height:1.85}

/* ---------- 推荐卡 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rec-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rec-card:hover{transform:translateY(-4px);border-color:var(--brand-600);box-shadow:var(--shadow-2)}
.rec-thumb{position:relative;overflow:hidden;background:var(--brand-100)}
.rec-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.rec-body h3{font-size:19px;font-weight:800;color:var(--brand-800);line-height:1.5}
.rec-body p{font-size:14.5px;color:var(--ink-600);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-300)}
.rec-foot .go{color:var(--brand-800);font-weight:700;transition:transform .2s ease}
.rec-card:hover .rec-foot .go{transform:translateX(4px)}

/* ---------- CTA 条 ---------- */
.cta-sec{padding:0 0 88px}
.cta-bar{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:40px 44px;border-radius:var(--radius-lg);background:var(--brand-800);
  border:1px solid var(--brand-600);box-shadow:var(--shadow-2);overflow:hidden;
}
.cta-bar::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--accent);
}
.cta-bar-text{max-width:620px}
.cta-bar-text h2{font-size:24px;font-weight:800;color:#fff;line-height:1.45}
.cta-bar-text p{margin-top:10px;font-size:14.5px;color:#B9C6C0;line-height:1.8}
.cta-bar-actions{display:flex;gap:14px;flex:0 0 auto}
.btn.is-saved{background:var(--brand-100);color:var(--brand-800);border-color:var(--brand-100)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-800);color:#B9C6C0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding:64px 0 40px}
.site-footer h4{font-size:15px;font-weight:800;color:#fff;letter-spacing:.04em;margin-bottom:18px}
.site-footer p{font-size:14px;line-height:1.85;color:#A7B8B0;margin-top:16px}
.footer-list li{font-size:14px;line-height:1.8;margin-bottom:10px;color:#A7B8B0}
.footer-list a{color:#B9C6C0}
.footer-list a:hover{
  color:#fff;text-decoration:underline;text-decoration-color:var(--accent);
  text-decoration-thickness:2px;text-underline-offset:4px;
}
.footer-badge{
  display:inline-block;margin-top:18px;padding:6px 14px;border-radius:6px;
  background:rgba(201,240,76,.14);border:1px solid rgba(201,240,76,.4);
  color:var(--accent);font-size:12.5px;font-weight:700;letter-spacing:.08em;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:20px 0 34px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:#8FA398;
}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:12px;
  background:var(--brand-800);color:#fff;border:1px solid var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background .2s ease;
  z-index:70;
}
.back-top.is-on{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--brand-600)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .hero h1{font-size:40px}
  .hero-grid{gap:40px}
}
@media screen and (max-width:1023px){
  .grid-container{padding-left:24px;padding-right:24px}
  .sec{padding:64px 0}
  .cta-sec{padding-bottom:64px}
  .hero{padding:48px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{order:2}
  .hero h1{font-size:34px}
  .hero-sub{font-size:16px}
  .benefit-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .rec-grid{grid-template-columns:repeat(2,1fr)}
  .faq-cols{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 32px}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:32px}
  .topbar-inner{min-height:60px;gap:16px}
  .topbar-panel{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:var(--brand-800);padding:20px 24px 24px;flex-direction:column;
    align-items:stretch;gap:16px;border-top:1px solid rgba(255,255,255,.14);
    box-shadow:0 18px 30px -18px rgba(14,51,44,.6);
  }
  .topbar-panel.is-open{display:flex}
  .topbar-search{max-width:none}
  .topbar-actions{margin-left:0;flex-direction:column;align-items:stretch;gap:12px}
  .topbar-actions .btn{width:100%}
  .topbar-link{text-align:center;padding:8px 0}
  .nav-toggle{display:flex}
  .topbar{position:relative}
}
@media screen and (max-width:767px){
  .sec-title{font-size:25px}
  .hero h1{font-size:29px;line-height:1.35}
  .trust-bar{grid-template-columns:repeat(2,1fr);gap:16px}
  .benefit-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .rec-grid{grid-template-columns:1fr}
  .cta-bar-actions{width:100%;flex-direction:column}
  .cta-bar-actions .btn{width:100%}
  .cta-bar-text h2{font-size:20px}
}
@media screen and (max-width:520px){
  .grid-container{padding-left:16px;padding-right:16px}
  .sec{padding:48px 0}
  .hero{padding:36px 0 44px}
  .hero h1{font-size:26px}
  .hero-cta{gap:10px}
  .hero-cta .btn{width:100%}
  .sec-head{margin-bottom:26px}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .accordion-title{font-size:16px;padding:16px 52px 16px 16px}
  .media-tag-2{top:12px;right:12px}
  .media-tag{left:12px;bottom:12px}
  .back-top{right:16px;bottom:16px;width:44px;height:44px}
}

/* roulang page: category6 */
:root{
  --ink-900:#101614;
  --ink-600:#4A5551;
  --ink-300:#8A948F;
  --brand-800:#0E332C;
  --brand-600:#164C41;
  --brand-100:#E2EBE6;
  --accent:#C9F04C;
  --warm:#D2603C;
  --paper:#F7F5EF;
  --card:#FFFFFF;
  --line:#DED9CC;
  --radius-card:16px;
  --radius-hero:20px;
  --radius-btn:999px;
  --radius-badge:6px;
  --radius-input:10px;
  --shadow-1:0 1px 0 rgba(16,22,20,.04);
  --shadow-2:0 12px 28px -12px rgba(14,51,44,.22);
  --gap-section:88px;
  --font-base:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-800);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--warm);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 16px;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;color:var(--ink-900);line-height:1.32;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:3px solid var(--accent);
  outline-offset:2px;
  box-shadow:0 0 0 6px rgba(255,255,255,.85);
  border-radius:6px;
}
.accordion-title:focus-visible{outline-offset:-4px;box-shadow:none;}

.wrap{max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--gap-section) 0;}
.section-tight{padding:56px 0;}
.section-head{margin-bottom:28px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:800;}
.section-head h2::before{
  content:"";
  display:inline-block;
  width:24px;height:4px;
  background:var(--accent);
  vertical-align:middle;
  margin-right:12px;
  border-radius:2px;
  transform:translateY(-4px);
}
.section-head p{margin:6px 0 0;color:var(--ink-600);font-size:15px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-800);
  background:var(--brand-100);
  border-radius:var(--radius-badge);
  padding:6px 12px;
  margin-bottom:16px;
}
.num{font-variant-numeric:tabular-nums;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:46px;padding:12px 26px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:16px;font-weight:600;
  line-height:1.2;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn i{transition:transform .2s ease;}
.btn-primary{background:var(--accent);color:var(--brand-800);border-color:var(--accent);}
.btn-primary:hover{background:#d7f76f;color:var(--brand-800);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:hover i{transform:translateX(4px);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--brand-800);border-color:var(--brand-800);}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-800);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{min-height:40px;padding:9px 20px;font-size:14px;}
.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;transform:translateY(-2px);}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--brand-800);font-weight:600;
  border-bottom:2px solid var(--accent);
  padding-bottom:2px;
  transition:border-color .2s ease,color .2s ease;
}
.text-link:hover{border-bottom-width:3px;color:var(--brand-800);}
.text-link i{transition:transform .2s ease;}
.text-link:hover i{transform:translateX(4px);}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;}
.nav-top{background:var(--brand-800);}
.nav-top-inner{
  display:flex;align-items:center;gap:28px;
  min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:12px;color:#fff;flex-shrink:0;}
.brand:hover{color:#fff;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--accent);color:var(--brand-800);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;letter-spacing:0;
  font-variant-numeric:tabular-nums;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:18px;font-weight:800;color:#fff;letter-spacing:.02em;}
.brand-text span{font-size:12px;color:#A9BBB4;letter-spacing:.14em;}
.nav-search{flex:1;max-width:420px;position:relative;}
.nav-search input{
  width:100%;height:44px;
  border-radius:var(--radius-btn);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:14px;
  padding:0 46px 0 18px;
  margin:0;
  transition:border-color .2s ease,background-color .2s ease;
}
.nav-search input::placeholder{color:#B9C6C0;}
.nav-search input:focus{background:rgba(255,255,255,.14);border-color:var(--accent);}
.nav-search button{
  position:absolute;right:6px;top:5px;
  width:34px;height:34px;border-radius:50%;
  border:0;background:transparent;color:#D8E2DD;
  cursor:pointer;font-size:14px;
  transition:color .2s ease,background-color .2s ease;
}
.nav-search button:hover{color:var(--accent);background:rgba(255,255,255,.08);}
.nav-actions{display:flex;align-items:center;gap:18px;margin-left:auto;flex-shrink:0;}
.nav-actions .nav-link{color:#C6D3CD;font-size:14px;font-weight:600;}
.nav-actions .nav-link:hover{color:#fff;}
.nav-burger{
  display:none;
  width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:17px;cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-burger:hover{background:rgba(255,255,255,.16);}
.mobile-menu{
  display:none;
  background:var(--brand-600);
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 16px 22px;
}
.mobile-menu.is-open{display:block;}
.mobile-menu .nav-search{max-width:100%;margin-bottom:16px;}
.mobile-menu ul{display:grid;gap:2px;}
.mobile-menu ul a{
  display:block;padding:12px 10px;border-radius:10px;
  color:#DCE6E1;font-size:15px;font-weight:600;
}
.mobile-menu ul a:hover{background:rgba(255,255,255,.1);color:#fff;}
.mobile-menu .btn{margin-top:14px;width:100%;}

.channel-scroll{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:10px;
  height:52px;
  padding:0 32px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  position:sticky;top:72px;z-index:55;
  -webkit-overflow-scrolling:touch;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-pill{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  height:34px;padding:0 16px;
  border-radius:var(--radius-btn);
  background:transparent;
  color:var(--ink-600);
  font-size:14px;font-weight:600;
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease;
}
.channel-pill:hover{background:var(--brand-100);color:var(--brand-800);}
.channel-pill.is-active{background:var(--accent);color:var(--brand-800);}

/* ============ 面包屑 ============ */
.crumbs{padding:22px 0 0;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-300);}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:var(--ink-300);}
.crumbs a{color:var(--ink-600);}
.crumbs a:hover{color:var(--brand-800);}
.crumbs [aria-current]{color:var(--ink-900);font-weight:600;}

/* ============ Hero ============ */
.hero{padding:34px 0 0;}
.hero-shell{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-hero);
  padding:44px;
  box-shadow:var(--shadow-1);
  position:relative;
  overflow:hidden;
}
.hero-shell::after{
  content:"";
  position:absolute;left:44px;bottom:0;
  width:120px;height:4px;
  background:var(--accent);
  border-radius:4px 4px 0 0;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.hero h1{
  font-size:clamp(26px,4vw,44px);
  font-weight:800;
  line-height:1.28;
  margin-bottom:18px;
  letter-spacing:.01em;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(transparent 62%,rgba(201,240,76,.75) 62%);
  padding:0 2px;
}
.hero-sub{font-size:16px;color:var(--ink-600);max-width:520px;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  border-top:1px dashed var(--line);
  padding-top:22px;
}
.hero-stats strong{
  display:block;font-size:26px;font-weight:800;
  color:var(--brand-800);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.hero-stats span{font-size:13px;color:var(--ink-600);}
.hero-figure{position:relative;}
.hero-figure .frame{
  aspect-ratio:4/3;
  border-radius:var(--radius-hero);
  overflow:hidden;
  background:var(--brand-100);
  border:1px solid var(--line);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-tag{
  position:absolute;left:16px;bottom:16px;
  background:rgba(14,51,44,.92);
  color:#fff;
  border:1px solid rgba(201,240,76,.5);
  border-radius:12px;
  padding:10px 14px;
  font-size:13px;font-weight:600;
  letter-spacing:.04em;
  display:inline-flex;align-items:center;gap:8px;
}
.hero-tag i{color:var(--accent);}

/* 锚点 chips */
.anchor-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:var(--paper);
  color:var(--ink-600);
  font-size:14px;font-weight:600;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.chip:hover{background:var(--brand-100);color:var(--brand-800);border-color:var(--brand-600);transform:translateY(-2px);}

/* ============ 大图卡片 ============ */
.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.topic-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  display:flex;flex-direction:column;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.topic-card:hover{transform:translateY(-4px);border-color:var(--brand-600);box-shadow:var(--shadow-2);}
.topic-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-100);}
.topic-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.topic-card:hover .topic-media img{transform:scale(1.03);}
.topic-index{
  position:absolute;top:12px;left:12px;
  background:var(--brand-800);
  color:var(--accent);
  font-size:13px;font-weight:800;
  font-variant-numeric:tabular-nums;
  letter-spacing:.06em;
  border-radius:8px;
  padding:5px 10px;
}
.topic-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.topic-body h3{font-size:20px;font-weight:700;margin-bottom:10px;}
.topic-body p{
  color:var(--ink-600);font-size:15px;margin-bottom:20px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.topic-foot{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:16px;border-top:1px dashed var(--line);
}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;
  border-radius:var(--radius-badge);
  background:var(--brand-100);
  color:var(--brand-800);
  font-size:12px;font-weight:600;letter-spacing:.06em;
}
.badge-warm{background:var(--warm);color:#fff;}
.topic-arrow{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  color:var(--brand-800);font-size:14px;
  transition:background-color .2s ease,transform .2s ease,border-color .2s ease,color .2s ease;
}
.topic-card:hover .topic-arrow{background:var(--accent);border-color:var(--accent);transform:translateX(4px);}

/* ============ 要点说明 ============ */
.points-band{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.points-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.point{padding:24px;border-radius:var(--radius-card);background:var(--paper);border:1px solid var(--line);transition:transform .25s ease,box-shadow .25s ease;}
.point:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.point .idx{
  font-size:28px;font-weight:800;color:var(--brand-800);
  font-variant-numeric:tabular-nums;
  line-height:1;
  margin-bottom:14px;
  display:block;
  opacity:.9;
}
.point h3{font-size:17px;margin-bottom:8px;}
.point p{font-size:14px;color:var(--ink-600);margin:0;}

/* ============ FAQ ============ */
.faq-list{max-width:900px;}
.faq-list .accordion{margin:0;background:transparent;border:0;}
.faq-list .accordion-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-list .accordion-item:hover{border-color:var(--brand-600);}
.faq-list .accordion-item.is-active{border-color:var(--brand-600);box-shadow:var(--shadow-2);}
.faq-list .accordion-title{
  font-size:18px;font-weight:600;color:var(--ink-900);
  padding:20px 56px 20px 22px;
  border:0;
  background:transparent;
  line-height:1.5;
}
.faq-list .accordion-title:hover{background:var(--brand-100);color:var(--brand-800);}
.faq-list .accordion-title::before{
  content:"+";
  right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:600;color:var(--warm);
  width:auto;height:auto;margin:0;
  transition:transform .2s ease,color .2s ease;
}
.faq-list .accordion-item.is-active .accordion-title::before{content:"−";color:var(--brand-800);}
.faq-list .accordion-content{
  padding:0 22px 20px;
  border:0;
  color:var(--ink-600);
  font-size:16px;line-height:1.8;
  background:transparent;
}
.faq-list .accordion-content p:last-child{margin-bottom:0;}

/* ============ 相关推荐 ============ */
.related-scroll{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.mini-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px;
  display:flex;flex-direction:column;gap:12px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.mini-card:hover{transform:translateY(-4px);border-color:var(--brand-600);box-shadow:var(--shadow-2);}
.mini-card .thumb{
  aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:var(--brand-100);
}
.mini-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.mini-card:hover .thumb img{transform:scale(1.04);}
.mini-card h3{font-size:16px;line-height:1.45;}
.mini-card p{font-size:13px;color:var(--ink-600);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-card .more{font-size:13px;font-weight:600;color:var(--brand-800);display:inline-flex;align-items:center;gap:6px;}
.mini-card:hover .more i{transform:translateX(4px);}
.mini-card .more i{transition:transform .2s ease;}

/* ============ 分享 CTA ============ */
.share-bar{
  background:var(--brand-800);
  border:1px solid rgba(201,240,76,.45);
  border-radius:var(--radius-hero);
  padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.share-bar::before{
  content:"";
  position:absolute;right:-60px;top:-60px;
  width:220px;height:220px;border-radius:50%;
  border:1px dashed rgba(201,240,76,.28);
}
.share-bar h2{color:#fff;font-size:24px;margin-bottom:6px;}
.share-bar p{color:#B9C6C0;font-size:14px;margin:0;}
.share-actions{display:flex;gap:14px;flex-wrap:wrap;}
.share-toast{
  color:var(--accent);font-size:13px;font-weight:600;
  margin:0;padding-left:2px;min-height:20px;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-800);color:#B9C6C0;padding:64px 0 28px;margin-top:var(--gap-section);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.site-footer .brand{margin-bottom:16px;}
.site-footer .brand-text strong{color:#fff;}
.site-footer p{font-size:14px;line-height:1.85;color:#B9C6C0;margin:0 0 16px;}
.footer-badge{
  display:inline-block;padding:5px 12px;
  border-radius:var(--radius-badge);
  background:rgba(201,240,76,.14);
  color:var(--accent);
  font-size:12px;font-weight:600;letter-spacing:.06em;
}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.04em;}
.footer-list{display:grid;gap:10px;}
.footer-list li{font-size:14px;color:#B9C6C0;}
.footer-list a{color:#B9C6C0;}
.footer-list a:hover{color:#fff;border-bottom:2px solid var(--accent);}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#94A69F;
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;
  width:46px;height:46px;border-radius:12px;
  background:var(--brand-800);color:var(--accent);
  border:1px solid rgba(201,240,76,.4);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:16px;
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  z-index:70;
}
.to-top.is-visible{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-3px);background:var(--brand-600);}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  :root{--gap-section:64px;}
  .wrap{padding:0 24px;}
  .channel-scroll{padding:0 24px;top:72px;}
  .nav-search{max-width:260px;}
  .hero-shell{padding:32px;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-figure{order:2;}
  .hero-shell::after{left:32px;}
  .points-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .related-scroll{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .nav-search,.nav-actions{display:none;}
  .nav-burger{display:inline-flex;}
  .nav-top-inner{min-height:60px;gap:16px;}
  .channel-scroll{height:52px;top:60px;}
  .topic-grid{grid-template-columns:1fr;}
  .share-bar{padding:28px 22px;}
  .share-actions{width:100%;}
  .share-actions .btn{flex:1 1 140px;}
}
@media (max-width:639px){
  :root{--gap-section:48px;}
  .wrap{padding:0 16px;}
  .channel-scroll{padding:0 16px;}
  .hero-shell{padding:24px 20px;border-radius:16px;}
  .hero-shell::after{left:20px;width:80px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:12px;}
  .hero-stats strong{font-size:22px;}
  .points-grid{grid-template-columns:1fr;}
  .related-scroll{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .topic-body{padding:20px;}
  .section-head h2{font-size:22px;}
  .btn{width:100%;}
  .hero-cta .btn{flex:1 1 100%;}
  .crumbs ol{font-size:12px;}
  .to-top{right:16px;bottom:16px;}
}