/* roulang page: index */
:root{
  --ink-900:#0B0D0F;
  --ink-800:#14171A;
  --ink-700:#1E2226;
  --line-dark:rgba(255,255,255,.12);
  --line-light:rgba(11,13,15,.12);
  --paper:#F5F2EC;
  --paper-2:#EAE4D9;
  --text-dark:#F2F0EC;
  --text-muted:#9BA1A6;
  --text-ink:#14171A;
  --text-ink-muted:#6B6F72;
  --accent:#E2542B;
  --accent-2:#6E8F84;
  --r-card:14px;
  --r-img:12px;
  --r-pill:999px;
  --r-input:10px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --section:96px;
  --max:1320px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-dark);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
time{font-variant-numeric:tabular-nums;}

/* Foundation 默认外观清除 */
.button,.menu,.top-bar,.accordion,.accordion-item,.accordion-title,.accordion-content,.callout,.label{
  background:transparent;border:0;box-shadow:none;border-radius:0;padding:0;margin:0;
  font-family:inherit;color:inherit;font-size:inherit;line-height:inherit;
}
.grid-container{max-width:var(--max);}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px;}
.section{padding:var(--section) 0;position:relative;}
.section-tight{padding-top:0;}

/* ===== 导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:70;
  border-bottom:1px solid transparent;
  background:linear-gradient(180deg,rgba(11,13,15,.62),rgba(11,13,15,0));
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(11,13,15,.94);
  border-bottom-color:var(--line-dark);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.header-inner{
  max-width:var(--max);margin:0 auto;padding:0 32px;
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  transition:height .22s var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.01em;color:#fff;}
.brand-star{width:15px;height:15px;fill:var(--accent);flex:0 0 auto;transition:transform .3s var(--ease);}
.brand:hover .brand-star{transform:rotate(90deg);}
.nav-main{display:flex;align-items:center;gap:34px;}
.nav-link{
  position:relative;font-size:15px;color:rgba(242,240,236,.78);padding:6px 0;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:#fff;}
.nav-cta{
  border:1px solid rgba(255,255,255,.3);border-radius:var(--r-pill);
  padding:9px 20px;font-size:14px;color:rgba(242,240,236,.9);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.nav-cta:hover{border-color:var(--accent);color:var(--accent);background:rgba(226,84,43,.08);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line-dark);align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:#F2F0EC;transition:transform .2s var(--ease),opacity .2s var(--ease);}

/* ===== 移动抽屉 ===== */
.mobile-drawer{
  position:fixed;inset:0;z-index:95;background:rgba(11,13,15,.97);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  display:flex;flex-direction:column;padding:24px 24px 40px;
  transform:translateY(-100%);visibility:hidden;
  transition:transform .34s var(--ease),visibility .34s var(--ease);
}
.mobile-drawer.is-open{transform:translateY(0);visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:22px;border-bottom:1px solid var(--line-dark);}
.drawer-brand{font-weight:700;font-size:17px;color:#fff;}
.drawer-close{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-dark);display:grid;place-items:center;font-size:16px;color:#F2F0EC;transition:border-color .2s var(--ease),color .2s var(--ease);}
.drawer-close:hover{border-color:var(--accent);color:var(--accent);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:28px 0;flex:1;}
.drawer-nav a{font-size:20px;font-weight:600;color:#F2F0EC;padding:14px 0;border-bottom:1px solid var(--line-dark);transition:color .2s var(--ease);}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--accent);}
.drawer-foot{display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--text-muted);}
.drawer-foot a{color:rgba(242,240,236,.8);transition:color .2s var(--ease);}
.drawer-foot a:hover{color:var(--accent);}

/* ===== Hero ===== */
.hero{position:relative;min-height:84vh;display:flex;align-items:flex-end;overflow:hidden;padding-top:72px;}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(11,13,15,.62) 0%,rgba(11,13,15,.18) 54%,rgba(11,13,15,0) 78%),
    linear-gradient(0deg,rgba(11,13,15,.72) 0%,rgba(11,13,15,.06) 62%);
}
.hero-inner{position:relative;z-index:2;width:100%;max-width:var(--max);margin:0 auto;padding:0 32px 88px;}
.hero-content{max-width:720px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(242,240,236,.72);margin-bottom:20px;
}
.eyebrow svg{width:10px;height:10px;fill:var(--accent);flex:0 0 auto;}
.hero-title{
  font-size:clamp(32px,5.2vw,64px);line-height:1.08;font-weight:800;
  letter-spacing:-.02em;color:#fff;
}
.hero-sub{
  margin-top:18px;max-width:520px;font-size:clamp(15px,1.6vw,18px);
  line-height:1.7;color:rgba(242,240,236,.76);
}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-index{
  position:absolute;right:48px;bottom:88px;z-index:3;
  display:flex;flex-direction:column;align-items:center;gap:16px;
}
.hero-index-num{font-size:13px;letter-spacing:.16em;color:rgba(242,240,236,.68);}
.hero-index-line{width:1px;height:120px;background:linear-gradient(180deg,rgba(255,255,255,.5),rgba(255,255,255,0));}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),filter .22s var(--ease),transform .22s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{filter:brightness(.94);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{border-color:rgba(255,255,255,.28);color:var(--text-dark);}
.btn-ghost:hover{border-color:rgba(255,255,255,.58);background:rgba(255,255,255,.06);}
.btn .btn-arrow{display:inline-block;transition:transform .22s var(--ease);}
.btn:hover .btn-arrow{transform:translateX(4px);}

/* ===== 版块标题 ===== */
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;flex-wrap:wrap;
}
.section-title{
  font-size:clamp(24px,3vw,38px);line-height:1.2;font-weight:700;letter-spacing:-.02em;
}
.section-sub{margin-top:10px;font-size:14px;color:var(--text-muted);}
.link-more{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;
  color:rgba(242,240,236,.8);transition:color .2s var(--ease);white-space:nowrap;
}
.link-more:hover{color:var(--accent);}
.link-more .arrow{transition:transform .22s var(--ease);}
.link-more:hover .arrow{transform:translateX(4px);}

/* ===== 横滑内容带 ===== */
.rail-wrap{position:relative;}
.rail-wrap::after{
  content:"";position:absolute;top:0;right:-1px;bottom:10px;width:48px;pointer-events:none;
  background:linear-gradient(270deg,var(--ink-900),rgba(11,13,15,0));
}
.rail{
  display:flex;gap:20px;overflow-x:auto;overflow-y:hidden;
  scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none;
  padding-bottom:10px;
}
.rail::-webkit-scrollbar{display:none;}
.rail > *{scroll-snap-align:start;flex:0 0 auto;}
.poster-card{
  position:relative;width:236px;aspect-ratio:3/4;border-radius:var(--r-card);
  overflow:hidden;background:var(--ink-800);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
  box-shadow:inset 0 0 0 1px var(--line-dark);
}
.poster-card img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.poster-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,15,0) 36%,rgba(11,13,15,.88) 100%);
}
.poster-card:hover{transform:translateY(-4px);box-shadow:inset 0 0 0 1px rgba(226,84,43,.75);}
.poster-card:hover img{transform:scale(1.04);}
.poster-text{position:absolute;left:18px;right:18px;bottom:16px;z-index:2;}
.poster-title{
  display:block;font-size:16px;font-weight:600;color:#fff;line-height:1.4;
  background-image:linear-gradient(var(--accent),var(--accent));
  background-repeat:no-repeat;background-size:0% 1px;background-position:0 100%;
  transition:background-size .24s var(--ease);
}
.poster-card:hover .poster-title{background-size:100% 1px;}
.poster-cat{display:block;margin-top:6px;font-size:12px;color:rgba(255,255,255,.66);}

/* ===== 重点推荐 7+5 ===== */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.feature-main{
  display:flex;flex-direction:column;border-radius:var(--r-card);overflow:hidden;
  background:var(--ink-800);box-shadow:inset 0 0 0 1px var(--line-dark);
  transition:box-shadow .24s var(--ease),transform .24s var(--ease);
}
.feature-main:hover{transform:translateY(-4px);box-shadow:inset 0 0 0 1px rgba(226,84,43,.7);}
.feature-media{overflow:hidden;}
.feature-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .45s var(--ease);}
.feature-main:hover .feature-media img{transform:scale(1.04);}
.feature-body{padding:24px 24px 26px;}
.feature-title{margin-top:14px;font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.35;letter-spacing:-.01em;}
.feature-excerpt{margin-top:10px;font-size:14px;line-height:1.75;color:var(--text-muted);}
.feature-time{display:block;margin-top:16px;font-size:13px;color:var(--text-muted);}
.feature-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;min-width:0;}
.side-card{
  position:relative;display:block;border-radius:var(--r-card);overflow:hidden;
  min-height:200px;background:var(--ink-800);box-shadow:inset 0 0 0 1px var(--line-dark);
  transition:box-shadow .24s var(--ease),transform .24s var(--ease);
}
.side-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.side-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,15,0) 34%,rgba(11,13,15,.9) 100%);
}
.side-card:hover{transform:translateY(-4px);box-shadow:inset 0 0 0 1px rgba(226,84,43,.7);}
.side-card:hover img{transform:scale(1.04);}
.side-body{position:absolute;left:20px;right:20px;bottom:18px;z-index:2;}
.side-body .poster-title{font-size:17px;}

/* ===== 双分区 ===== */
.split-panels{display:grid;grid-template-columns:1fr 1fr;gap:56px;}
.panel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;}
.panel-title{font-size:clamp(28px,4vw,48px);line-height:1.05;font-weight:800;letter-spacing:-.02em;}
.rail-sm > *{width:168px;aspect-ratio:3/4;}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;line-height:1;letter-spacing:.02em;white-space:nowrap;
  background:rgba(255,255,255,.08);color:rgba(242,240,236,.85);
}
.badge-accent{background:transparent;border:1px solid var(--accent);color:var(--accent);}
.badge-ink{background:rgba(11,13,15,.06);color:var(--text-ink-muted);}

/* ===== 浅色资讯区 ===== */
.section-paper{background:var(--paper);color:var(--text-ink);}
.section-paper .section-title{color:var(--text-ink);}
.section-paper .section-sub{color:var(--text-ink-muted);}
.section-paper .link-more{color:var(--text-ink-muted);}
.section-paper .link-more:hover{color:var(--accent);}
.filter-row{display:flex;flex-wrap:wrap;gap:18px;margin-bottom:34px;font-size:14px;color:var(--text-ink-muted);}
.filter-row span{position:relative;padding-bottom:4px;transition:color .2s var(--ease);cursor:default;}
.filter-row span.is-on{color:var(--text-ink);font-weight:600;}
.filter-row span.is-on::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);
}
.news-top{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:28px;}
.news-card{
  display:block;background:#fff;border-radius:var(--r-card);overflow:hidden;
  box-shadow:0 2px 10px rgba(11,13,15,.06);
  transition:box-shadow .24s var(--ease),transform .24s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:0 10px 28px rgba(11,13,15,.10);}
.news-card-media{display:block;aspect-ratio:16/9;overflow:hidden;}
.news-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.news-card:hover .news-card-media img{transform:scale(1.04);}
.news-card-body{display:block;padding:22px 24px 24px;}
.news-card-title{
  display:block;margin-top:14px;font-size:20px;font-weight:700;line-height:1.4;
  letter-spacing:-.01em;color:var(--text-ink);
}
.news-card-excerpt{
  display:-webkit-box;margin-top:10px;font-size:14px;line-height:1.7;
  color:var(--text-ink-muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card-time{display:block;margin-top:14px;font-size:13px;color:var(--text-ink-muted);}
.news-rows{border-top:1px solid var(--line-light);}
.news-row{
  display:grid;grid-template-columns:88px auto 1fr 32px;gap:20px;align-items:center;
  padding:20px 8px;border-bottom:1px solid var(--line-light);
  transition:background .2s var(--ease);
}
.news-row:hover{background:rgba(11,13,15,.035);}
.row-time{font-size:13px;color:var(--text-ink-muted);}
.row-main{display:flex;flex-direction:column;gap:4px;min-width:0;}
.row-title{font-size:16px;font-weight:600;color:var(--text-ink);line-height:1.45;}
.row-excerpt{font-size:13px;color:var(--text-ink-muted);line-height:1.6;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.row-arrow{font-size:16px;color:var(--text-ink-muted);transition:transform .22s var(--ease),color .2s var(--ease);}
.news-row:hover .row-arrow{transform:translateX(4px);color:var(--accent);}
.news-empty{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;padding:32px 16px;
}
.empty-star{width:40px;height:40px;fill:none;stroke:var(--accent-2);stroke-width:1.2;}
.empty-title{font-size:16px;font-weight:600;color:var(--text-ink);}
.empty-desc{font-size:14px;color:var(--text-ink-muted);max-width:420px;}

/* ===== FAQ ===== */
.faq-list{max-width:920px;border-top:1px solid var(--line-dark);}
.faq-item{border-bottom:1px solid var(--line-dark);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:24px 0;font-size:17px;font-weight:500;text-align:left;color:var(--text-dark);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--accent);}
.faq-icon{position:relative;flex:0 0 16px;height:16px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:0;top:50%;width:16px;height:1px;background:currentColor;
  transition:transform .24s var(--ease);
}
.faq-icon::after{transform:rotate(90deg);}
.faq-item.is-open .faq-icon::after{transform:rotate(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
.faq-a-inner{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--text-muted);max-width:760px;}

/* ===== CTA ===== */
.cta-band{border-top:1px solid var(--line-dark);}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.cta-title{font-size:clamp(26px,3.4vw,44px);line-height:1.15;font-weight:800;letter-spacing:-.02em;}
.cta-desc{margin-top:16px;font-size:15px;line-height:1.8;color:var(--text-muted);max-width:460px;}
.cta-form{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:720px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13px;color:var(--text-muted);}
.field input{
  height:48px;border-radius:var(--r-input);border:1px solid rgba(255,255,255,.2);
  background:transparent;color:var(--text-dark);padding:0 16px;font-size:15px;
  font-family:inherit;width:100%;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input::placeholder{color:rgba(242,240,236,.34);}
.field input:hover{border-color:rgba(255,255,255,.34);}
.field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(226,84,43,.18);}
.cta-form .btn{grid-column:1 / -1;justify-self:start;margin-top:4px;}
.form-note{grid-column:1 / -1;font-size:12px;color:rgba(242,240,236,.42);line-height:1.7;}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line-dark);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:56px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:#fff;}
.footer-brand .brand-star{fill:var(--accent);}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(242,240,236,.6);max-width:280px;}
.social-row{display:flex;gap:10px;margin-top:20px;}
.social-dot{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line-dark);
  display:grid;place-items:center;font-size:12px;color:rgba(242,240,236,.6);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.social-dot:hover{border-color:var(--accent);color:var(--accent);background:rgba(226,84,43,.08);}
.footer-col h4{
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(242,240,236,.45);margin-bottom:18px;font-weight:600;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col p{font-size:14px;color:rgba(242,240,236,.68);line-height:1.7;transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--accent);}
.footer-domain{margin-top:14px;font-size:13px;color:rgba(242,240,236,.38);}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:22px 0;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,240,236,.45);
}
.footer-bottom a{transition:color .2s var(--ease);}
.footer-bottom a:hover{color:var(--accent);}

/* ===== 入场动效 ===== */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.js .reveal.is-in{opacity:1;transform:none;}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .wrap,.header-inner,.hero-inner{padding-left:24px;padding-right:24px;}
  .hero-index{right:24px;}
}
@media (max-width:1023px){
  :root{--section:72px;}
  .nav-main{display:none;}
  .nav-toggle{display:flex;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-side{grid-template-rows:auto auto;grid-template-columns:1fr 1fr;}
  .side-card{min-height:260px;}
  .split-panels{grid-template-columns:1fr;gap:56px;}
  .cta-inner{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .hero-index{display:none;}
}
@media (max-width:767px){
  :root{--section:56px;}
  .wrap,.header-inner,.hero-inner{padding-left:20px;padding-right:20px;}
  .hero{min-height:72vh;}
  .hero-inner{padding-bottom:56px;}
  .hero-actions .btn{flex:1 1 auto;}
  .poster-card{width:200px;}
  .rail-sm > *{width:150px;}
  .news-top{grid-template-columns:1fr;}
  .news-row{grid-template-columns:1fr auto;grid-template-areas:"time arrow" "badge badge" "main main";gap:10px 16px;padding:18px 4px;}
  .news-row .row-time{grid-area:time;}
  .news-row .row-arrow{grid-area:arrow;}
  .news-row .badge{grid-area:badge;justify-self:start;}
  .news-row .row-main{grid-area:main;}
  .row-excerpt{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
  .cta-form{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .feature-side{grid-template-columns:1fr;}
  .side-card{min-height:220px;}
  .faq-q{font-size:16px;padding:20px 0;}
}
@media (max-width:575px){
  .poster-card{width:176px;}
  .rail-sm > *{width:140px;}
  .news-card-body{padding:18px 18px 20px;}
  .news-card-title{font-size:18px;}
  .section-head{margin-bottom:26px;}
  .rail-wrap::after{width:32px;}
}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none;}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --ink-900:#0B0D0F;
  --ink-800:#14171A;
  --ink-700:#1E2226;
  --line-dark:rgba(255,255,255,.12);
  --line-dark-strong:rgba(255,255,255,.24);
  --paper:#F5F2EC;
  --paper-2:#EAE4D9;
  --line-light:rgba(11,13,15,.12);
  --text:#F2F0EC;
  --text-2:#9BA1A6;
  --text-3:#BEC3C7;
  --ink-text:#14171A;
  --ink-text-2:#6B6F72;
  --accent:#E2542B;
  --accent-2:#6E8F84;
  --r-card:14px;
  --r-img:12px;
  --r-btn:999px;
  --r-input:10px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-light:0 2px 10px rgba(11,13,15,.06);
  --shadow-light-hover:0 10px 28px rgba(11,13,15,.10);
  --wrap:1320px;
  --gap-sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img{display:block;max-width:100%;height:auto;object-fit:cover;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}
svg{display:block;}
a:focus-visible,button:focus-visible,input:focus-visible,.band-card:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:4px;
}
/* 清理 Foundation 默认外观 */
.button,.menu,.top-bar,.accordion,.tabs,.callout{border:0;box-shadow:none;}
.grid-container{
  max-width:var(--wrap);
  padding-left:32px;
  padding-right:32px;
  margin-left:auto;
  margin-right:auto;
}
.grid-container.full{padding-left:0;padding-right:0;}
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 32px;
}
.grid-x{width:100%;}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.02em;line-height:1.2;color:inherit;}
/* ====== 页头 ====== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),backdrop-filter .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(11,13,15,.96);
  border-bottom-color:var(--line-dark);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.header-inner{
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 32px;
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  transition:height .24s var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);}
.brand-star{width:18px;height:18px;fill:var(--accent);transition:transform .3s var(--ease);}
.brand:hover .brand-star{transform:rotate(90deg);}
.brand-text{font-size:18px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.nav-main{display:flex;align-items:center;gap:34px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  color:var(--text-2);
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-4px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text);font-weight:600;}
.nav-cta{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 20px;
  border:1px solid var(--line-dark-strong);
  border-radius:var(--r-btn);
  font-size:14px;
  color:var(--text);
  transition:border-color .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.nav-cta:hover{border-color:var(--accent);background:rgba(226,84,43,.14);color:#fff;}
.nav-cta:active{background:rgba(226,84,43,.24);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  border:1px solid var(--line-dark);
  border-radius:10px;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--text);transition:transform .22s var(--ease),opacity .22s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}
/* ====== 分类头 ====== */
.cat-hero{
  position:relative;
  overflow:hidden;
  padding:96px 0 80px;
  border-bottom:1px solid var(--line-dark);
  background:var(--ink-900);
}
.cat-hero-bg{
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.38;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg,rgba(11,13,15,.95) 0%,rgba(11,13,15,.74) 48%,rgba(11,13,15,.5) 100%),
    linear-gradient(0deg,rgba(11,13,15,.97) 0%,rgba(11,13,15,0) 66%);
}
.cat-hero-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:56px;
  flex-wrap:wrap;
}
.cat-hero-main{max-width:720px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--accent-2);
  font-weight:600;
}
.eyebrow svg{width:9px;height:9px;fill:var(--accent);}
.cat-hero h1{
  font-size:clamp(32px,5vw,60px);
  line-height:1.08;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--text);
  margin:20px 0 18px;
}
.cat-lead{
  font-size:17px;
  line-height:1.8;
  color:var(--text-3);
  max-width:34em;
}
.cat-stats{display:flex;align-items:flex-end;}
.stat{
  padding:0 26px;
  border-left:1px solid var(--line-dark);
}
.stat:first-child{border-left:0;padding-left:0;}
.stat:last-child{padding-right:0;}
.stat-num{
  display:block;
  font-size:clamp(26px,3vw,36px);
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--text);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
}
.stat-label{
  display:block;
  margin-top:8px;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--text-2);
}
/* ====== 区块通用 ====== */
.sec{padding:var(--gap-sec) 0;}
.sec-tight{padding:calc(var(--gap-sec) * .72) 0;}
.sec-line{border-top:1px solid var(--line-dark);}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:36px;
}
.sec-head h2{
  font-size:clamp(24px,3vw,38px);
  line-height:1.2;
  color:var(--text);
}
.sec-head p{
  margin-top:10px;
  font-size:15px;
  color:var(--text-2);
  max-width:46em;
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  color:var(--text-2);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.link-more svg{width:14px;height:14px;fill:currentColor;transition:transform .2s var(--ease);}
.link-more:hover{color:var(--accent);border-bottom-color:var(--accent);}
.link-more:hover svg{transform:translateX(4px);}
/* ====== 主体 7+5 ====== */
.cat-split{margin-left:0;margin-right:0;row-gap:48px;}
.cat-split > .cell{padding-left:0;padding-right:0;}
.cat-split > .cell:first-child{padding-right:28px;}
.cat-split > .cell:last-child{padding-left:28px;}
.longread{max-width:760px;}
.longread h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(23px,2.6vw,32px);
  line-height:1.28;
  color:var(--text);
  margin:44px 0 16px;
}
.longread h2:first-child{margin-top:0;}
.longread h2::before{
  content:"";
  position:absolute;
  left:0;top:.24em;
  width:4px;height:.86em;
  background:var(--accent);
  border-radius:2px;
}
.longread p{
  font-size:16px;
  line-height:1.9;
  color:#B7BDC1;
  margin-bottom:18px;
}
.longread p:last-child{margin-bottom:0;}
.longread strong{color:var(--text);font-weight:600;}
.side-col{display:flex;flex-direction:column;gap:24px;}
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  line-height:1;
  background:rgba(255,255,255,.08);
  color:var(--text-3);
}
.badge-accent{
  background:transparent;
  border:1px solid rgba(226,84,43,.62);
  color:var(--accent);
}
.vcard{
  display:block;
  border:1px solid var(--line-dark);
  border-radius:var(--r-card);
  background:var(--ink-800);
  overflow:hidden;
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.vcard:hover,.vcard:focus-visible{transform:translateY(-4px);border-color:var(--accent);}
.vcard-media{aspect-ratio:3/4;overflow:hidden;background:var(--ink-700);}
.vcard-media img{width:100%;height:100%;transition:transform .45s var(--ease);}
.vcard:hover .vcard-media img{transform:scale(1.04);}
.vcard-body{padding:20px 22px 24px;}
.vcard-body h3{font-size:20px;line-height:1.35;color:var(--text);margin:12px 0 8px;}
.vcard-body p{font-size:14px;line-height:1.75;color:var(--text-2);}
.points-box h3{font-size:16px;color:var(--text);margin-bottom:6px;letter-spacing:0;}
.points{border-top:1px solid var(--line-dark);margin-top:12px;}
.points li{
  display:flex;
  gap:12px;
  padding:14px 0;
  border-bottom:1px solid var(--line-dark);
  font-size:15px;
  line-height:1.7;
  color:var(--text-3);
}
.points li::before{
  content:"";
  flex:none;
  width:14px;
  height:1px;
  margin-top:12px;
  background:var(--accent-2);
}
/* ====== 流程 ====== */
.flow{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line-dark);
}
.flow-item{
  padding:30px 26px 6px 0;
  border-right:1px solid var(--line-dark);
}
.flow-item:last-child{border-right:0;padding-right:0;}
.flow-num{
  font-size:13px;
  letter-spacing:.16em;
  color:var(--accent-2);
  font-variant-numeric:tabular-nums;
}
.flow-item h3{font-size:20px;color:var(--text);margin:14px 0 8px;}
.flow-item p{font-size:15px;line-height:1.8;color:var(--text-2);}
/* ====== 横滑内容带 ====== */
.band-wrap{position:relative;}
.band-wrap::before,.band-wrap::after{
  content:"";
  position:absolute;
  top:0;bottom:0;
  width:48px;
  pointer-events:none;
  z-index:3;
}
.band-wrap::before{left:-8px;background:linear-gradient(90deg,var(--ink-900) 0%,rgba(11,13,15,0) 100%);}
.band-wrap::after{right:-8px;background:linear-gradient(270deg,var(--ink-900) 0%,rgba(11,13,15,0) 100%);}
.band{
  display:flex;
  gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
  padding:4px 4px 10px;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.band::-webkit-scrollbar{display:none;}
.band-card{
  position:relative;
  flex:0 0 auto;
  width:264px;
  aspect-ratio:3/4;
  border-radius:var(--r-card);
  overflow:hidden;
  scroll-snap-align:start;
  background:var(--ink-800);
  border:1px solid var(--line-dark);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.band-card:hover,.band-card:focus-visible{transform:translateY(-4px);border-color:var(--accent);}
.band-card img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.band-card:hover img{transform:scale(1.05);}
.band-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(0deg,rgba(11,13,15,.94) 0%,rgba(11,13,15,.18) 56%,rgba(11,13,15,0) 100%);
}
.band-cap{position:absolute;left:18px;right:18px;bottom:16px;z-index:2;}
.band-cap h3{font-size:16px;font-weight:700;color:#fff;margin-bottom:6px;line-height:1.4;}
.band-cap span{font-size:12px;color:var(--text-2);letter-spacing:.04em;}
/* ====== CTA ====== */
.cta-sec{
  background:var(--paper);
  color:var(--ink-text);
  padding:var(--gap-sec) 0;
}
.cta-inner{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:56px;
  flex-wrap:wrap;
}
.cta-copy{max-width:420px;}
.cta-copy h2{font-size:clamp(24px,3vw,38px);line-height:1.2;color:var(--ink-text);}
.cta-copy p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--ink-text-2);}
.cta-form{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  width:100%;
  max-width:560px;
}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13px;color:var(--ink-text-2);letter-spacing:.02em;}
.field input{
  height:48px;
  padding:0 14px;
  border-radius:var(--r-input);
  border:1px solid rgba(11,13,15,.2);
  background:rgba(255,255,255,.5);
  color:var(--ink-text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field input::placeholder{color:rgba(107,111,114,.72);}
.field input:hover{border-color:rgba(11,13,15,.34);}
.field input:focus{
  outline:none;
  border-color:var(--accent);
  background:#fff;
  box-shadow:0 0 0 3px rgba(226,84,43,.18);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),filter .2s var(--ease),transform .2s var(--ease);
}
.btn svg{width:16px;height:16px;fill:currentColor;transition:transform .22s var(--ease);}
.btn:hover svg{transform:translateX(4px);}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{filter:brightness(.94);}
.btn-primary:active{filter:brightness(.86);}
.btn-ghost{background:transparent;border:1px solid var(--line-dark-strong);color:var(--text);}
.btn-ghost:hover{border-color:rgba(255,255,255,.6);background:rgba(255,255,255,.06);}
.cta-form .btn{grid-column:1/-1;justify-self:start;margin-top:4px;}
.form-note{
  grid-column:1/-1;
  font-size:13px;
  color:var(--ink-text-2);
  line-height:1.7;
  min-height:22px;
}
/* ====== 页脚 ====== */
.site-footer{
  background:var(--ink-900);
  border-top:1px solid var(--line-dark);
  padding:72px 0 28px;
  color:var(--text-2);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-size:17px;
  font-weight:700;
}
.footer-brand .brand-star{width:16px;height:16px;}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
  max-width:24em;
}
.social-row{display:flex;gap:10px;margin-top:20px;}
.social-dot{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;height:32px;
  border:1px solid var(--line-dark);
  border-radius:50%;
  font-size:12px;
  color:var(--text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.social-dot:hover{border-color:var(--accent);color:var(--accent);}
.footer-col h4{
  font-size:14px;
  color:var(--text);
  font-weight:600;
  letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col p{font-size:13px;line-height:1.9;color:var(--text-2);}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--accent);}
.footer-domain{
  margin-top:10px;
  font-size:12px;
  letter-spacing:.04em;
  color:rgba(155,161,166,.72);
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:24px;
  border-top:1px solid var(--line-dark);
  font-size:13px;
  color:var(--text-2);
}
.footer-bottom a{color:var(--text-2);transition:color .2s var(--ease);}
.footer-bottom a:hover{color:var(--accent);}
/* ====== 入场动效 ====== */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.js .reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .js .reveal{opacity:1;transform:none;transition:none;}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}
/* ====== 响应式 ====== */
@media (max-width:1279px){
  :root{--gap-sec:88px;}
  .band-card{width:250px;}
}
@media (max-width:1023px){
  :root{--gap-sec:72px;}
  .wrap,.header-inner,.grid-container{padding-left:24px;padding-right:24px;}
  .nav-toggle{display:inline-flex;}
  .nav-main{
    position:fixed;
    inset:0;
    z-index:90;
    flex-direction:column;
    justify-content:center;
    align-items:flex-start;
    gap:6px;
    padding:96px 32px 48px;
    background:rgba(11,13,15,.97);
    backdrop-filter:blur(8px);
    transform:translateY(-100%);
    opacity:0;
    pointer-events:none;
    transition:transform .3s var(--ease),opacity .3s var(--ease);
  }
  .nav-main.is-open{transform:none;opacity:1;pointer-events:auto;}
  .nav-link{font-size:20px;padding:14px 0;color:var(--text);width:100%;border-bottom:1px solid var(--line-dark);}
  .nav-link::after{display:none;}
  .nav-cta{margin-top:24px;height:46px;padding:0 28px;font-size:15px;}
  .cat-hero{padding:72px 0 56px;}
  .cat-hero-inner{gap:32px;}
  .cat-hero-main{max-width:100%;}
  .cat-lead{font-size:16px;}
  .cat-stats{flex-wrap:wrap;gap:0;}
  .stat{padding:0 20px;}
  .cat-split > .cell:first-child,
  .cat-split > .cell:last-child{padding-left:0;padding-right:0;}
  .side-col{max-width:520px;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .flow-item{border-right:0;border-bottom:1px solid var(--line-dark);padding:26px 20px 22px 0;}
  .flow-item:nth-child(odd){border-right:1px solid var(--line-dark);padding-right:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{gap:32px;}
  .cta-form{max-width:100%;}
}
@media (max-width:767px){
  :root{--gap-sec:64px;}
  .wrap,.header-inner,.grid-container{padding-left:20px;padding-right:20px;}
  .brand-text{font-size:16px;}
  .cat-hero h1{font-size:clamp(30px,8vw,44px);}
  .cat-stats{gap:8px 0;width:100%;}
  .stat{padding:0 16px;}
  .stat-num{font-size:24px;}
  .band-card{width:220px;}
  .band{gap:14px;}
  .band-wrap::before,.band-wrap::after{width:24px;}
  .sec-head{margin-bottom:26px;}
  .cta-sec{padding:var(--gap-sec) 0;}
}
@media (max-width:575px){
  :root{--gap-sec:56px;}
  .header-inner{height:64px;}
  .cat-hero{padding:56px 0 44px;}
  .cat-lead{font-size:15px;}
  .cat-stats{flex-wrap:wrap;}
  .stat{padding:0 14px 0 0;border-left:0;margin-right:14px;}
  .stat + .stat{border-left:1px solid var(--line-dark);padding-left:14px;}
  .cta-form{grid-template-columns:1fr;}
  .cta-form .btn{width:100%;}
  .flow{grid-template-columns:1fr;}
  .flow-item,.flow-item:nth-child(odd){border-right:0;padding-right:0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .band-card{width:200px;}
}

/* roulang page: article */
:root {
      --ink-900: #0B0D0F;
      --ink-800: #14171A;
      --ink-700: #1E2226;
      --paper: #F5F2EC;
      --paper-2: #EAE4D9;
      --text: #F2F0EC;
      --muted: #9BA1A6;
      --dark-text: #14171A;
      --dark-muted: #6B6F72;
      --accent: #E2542B;
      --accent-2: #6E8F84;
      --hairline: rgba(255, 255, 255, .12);
      --hairline-dark: rgba(11, 13, 15, .12);
      --radius-card: 14px;
      --radius-img: 12px;
      --radius-pill: 999px;
      --radius-input: 10px;
      --shadow-light: 0 2px 10px rgba(11, 13, 15, .06);
      --shadow-hover: 0 10px 28px rgba(11, 13, 15, .10);
      --ease: cubic-bezier(.22, .61, .36, 1);
      --container: 1320px;
      --header-h: 72px;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }

    body {
      margin: 0;
      background: var(--ink-900);
      color: var(--text);
      font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
      overflow-x: hidden;
    }

    body.nav-open {
      overflow: hidden;
    }

    img {
      max-width: 100%;
      display: block;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    button,
    input,
    select,
    textarea {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    h1,
    h2,
    h3,
    h4,
    p,
    figure,
    blockquote {
      margin-top: 0;
    }

    h1,
    h2,
    h3,
    h4 {
      font-weight: 800;
      letter-spacing: -.02em;
    }

    ::selection {
      background: var(--accent);
      color: #fff;
    }

    :focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 3px;
    }

    .button,
    .button.primary,
    .button.secondary,
    .button.success,
    .button.alert,
    .menu,
    .top-bar,
    .accordion,
    .accordion-item,
    .accordion-title,
    .accordion-content,
    .card {
      background: transparent;
      color: inherit;
      border: 0;
      border-radius: 0;
      box-shadow: none;
      padding: 0;
      margin: 0;
      font-size: inherit;
      line-height: inherit;
    }

    .button:hover,
    .button:focus {
      background: transparent;
      color: inherit;
    }

    .accordion-title::before,
    .accordion-title::after {
      display: none;
    }

    .menu {
      list-style: none;
    }

    .top-bar,
    .top-bar ul {
      background: transparent;
    }

    .wrap {
      width: 100%;
      max-width: var(--container);
      margin: 0 auto;
      padding-left: 32px;
      padding-right: 32px;
    }

    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: transparent;
      border-bottom: 1px solid transparent;
      transition: background .24s var(--ease), border-color .24s var(--ease);
    }

    .site-header.is-scrolled {
      background: var(--ink-900);
      border-bottom-color: var(--hairline);
    }

    .header-inner {
      width: 100%;
      max-width: var(--container);
      height: var(--header-h);
      margin: 0 auto;
      padding: 0 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      transition: height .24s var(--ease);
    }

    .site-header.is-scrolled .header-inner {
      height: 64px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--text);
      font-weight: 800;
      text-decoration: none;
    }

    .brand-star {
      width: 19px;
      height: 19px;
      fill: var(--accent);
      flex: 0 0 auto;
      transition: transform .3s var(--ease);
    }

    .brand:hover .brand-star {
      transform: rotate(90deg);
    }

    .brand-text {
      font-size: 20px;
      font-weight: 800;
      letter-spacing: -.02em;
      white-space: nowrap;
    }

    .nav-main {
      display: flex;
      align-items: center;
      gap: 30px;
    }

    .nav-link {
      position: relative;
      padding: 6px 0;
      color: rgba(242, 240, 236, .82);
      font-size: 15px;
      text-decoration: none;
      transition: color .2s var(--ease);
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: -2px;
      height: 2px;
      background: var(--accent);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform .22s var(--ease);
    }

    .nav-link:hover,
    .nav-link.is-active {
      color: var(--text);
    }

    .nav-link:hover::after {
      transform: scaleX(.6);
    }

    .nav-link.is-active::after {
      transform: scaleX(1);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 40px;
      padding: 0 18px;
      border: 1px solid rgba(255, 255, 255, .28);
      border-radius: var(--radius-pill);
      color: var(--text);
      font-size: 14px;
      font-weight: 600;
      text-decoration: none;
      transition: border-color .22s var(--ease), background .22s var(--ease);
    }

    .nav-cta:hover {
      border-color: var(--accent);
      background: rgba(226, 84, 43, .10);
    }

    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      padding: 10px;
      border: 0;
      background: transparent;
      color: var(--text);
    }

    .nav-toggle span {
      display: block;
      width: 24px;
      height: 1px;
      margin: 6px auto;
      background: currentColor;
      transition: transform .24s var(--ease), opacity .24s var(--ease);
    }

    body.nav-open .nav-toggle span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    body.nav-open .nav-toggle span:nth-child(2) {
      opacity: 0;
    }

    body.nav-open .nav-toggle span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .article-hero {
      position: relative;
      min-height: 520px;
      padding: 132px 0 80px;
      background-color: var(--ink-900);
      background-image:
        linear-gradient(90deg, rgba(11, 13, 15, .94) 0%, rgba(11, 13, 15, .58) 48%, rgba(11, 13, 15, .86) 100%),
        linear-gradient(0deg, rgba(11, 13, 15, .82) 0%, rgba(11, 13, 15, .12) 62%),
        url('/assets/images/backpic/back-2.webp');
      background-position: center;
      background-repeat: no-repeat;
      background-size: cover;
    }

    .hero-inner {
      position: relative;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 70px;
      color: rgba(242, 240, 236, .46);
      font-size: 13px;
      line-height: 1.5;
    }

    .breadcrumb a {
      color: rgba(242, 240, 236, .72);
      text-decoration: none;
      transition: color .2s var(--ease);
    }

    .breadcrumb a:hover {
      color: var(--accent);
    }

    .breadcrumb .current {
      max-width: 18em;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      color: rgba(242, 240, 236, .42);
    }

    .hero-content {
      max-width: 900px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      height: 24px;
      padding: 0 10px;
      border-radius: var(--radius-pill);
      background: rgba(255, 255, 255, .08);
      color: var(--text);
      font-size: 12px;
      font-weight: 600;
      line-height: 1;
      white-space: nowrap;
    }

    .badge-outline {
      background: transparent;
      border: 1px solid var(--accent);
      color: var(--accent);
    }

    .badge-soft {
      background: rgba(226, 84, 43, .08);
      border: 1px solid rgba(226, 84, 43, .22);
      color: var(--accent);
    }

    .hero-content .badge {
      margin-bottom: 18px;
    }

    .article-title {
      margin: 0 0 22px;
      color: var(--text);
      font-size: clamp(32px, 5.2vw, 64px);
      line-height: 1.15;
      letter-spacing: -.03em;
      max-width: 900px;
      overflow-wrap: anywhere;
    }

    .article-meta {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
    }

    .article-meta i {
      display: inline-block;
      width: 1px;
      height: 12px;
      background: rgba(255, 255, 255, .22);
    }

    .article-meta time {
      font-variant-numeric: tabular-nums;
    }

    .hero-mark {
      position: absolute;
      right: 0;
      bottom: 10px;
      display: flex;
      align-items: flex-end;
      gap: 16px;
      color: rgba(242, 240, 236, .30);
      pointer-events: none;
    }

    .hero-mark span {
      font-size: 66px;
      font-weight: 800;
      line-height: .8;
      letter-spacing: -.04em;
      font-variant-numeric: tabular-nums;
    }

    .hero-mark i {
      display: block;
      width: 1px;
      height: 86px;
      background: rgba(242, 240, 236, .24);
    }

    .article-section {
      padding: 96px 0 104px;
      background: var(--paper);
      color: var(--dark-text);
    }

    .article-grid {
      display: grid;
      grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
      gap: 56px;
      align-items: start;
    }

    .article-grid > .cell {
      width: auto;
      min-width: 0;
    }

    .article-main {
      max-width: 760px;
    }

    .article-content {
      color: #232628;
      font-size: 17px;
      line-height: 1.9;
      letter-spacing: .01em;
      overflow-wrap: break-word;
    }

    .article-content > *:first-child {
      margin-top: 0;
    }

    .article-content p {
      margin: 0 0 1.2em;
    }

    .article-content h2 {
      position: relative;
      margin: 40px 0 16px;
      padding-left: 18px;
      color: var(--dark-text);
      font-size: clamp(24px, 3vw, 32px);
      line-height: 1.3;
      letter-spacing: -.02em;
    }

    .article-content h2::before {
      content: "";
      position: absolute;
      left: 0;
      top: .15em;
      width: 4px;
      height: 1em;
      border-radius: 2px;
      background: var(--accent);
    }

    .article-content h3 {
      margin: 28px 0 12px;
      color: var(--dark-text);
      font-size: 21px;
      line-height: 1.4;
    }

    .article-content h4 {
      margin: 22px 0 10px;
      color: var(--dark-text);
      font-size: 18px;
      line-height: 1.45;
    }

    .article-content a {
      color: var(--accent);
      text-decoration: underline;
      text-decoration-thickness: 1px;
      text-underline-offset: 4px;
    }

    .article-content a:hover {
      color: #bf3d19;
    }

    .article-content strong {
      color: var(--dark-text);
      font-weight: 700;
    }

    .article-content blockquote {
      margin: 28px 0;
      padding: 18px 20px;
      border-left: 3px solid var(--accent);
      border-radius: 0 var(--radius-img) var(--radius-img) 0;
      background: rgba(226, 84, 43, .055);
      color: #34383A;
    }

    .article-content blockquote p:last-child {
      margin-bottom: 0;
    }

    .article-content ul,
    .article-content ol {
      margin: 0 0 1.2em;
      padding-left: 1.35em;
    }

    .article-content li {
      margin: .5em 0;
      padding-left: .15em;
    }

    .article-content li::marker {
      color: var(--accent);
      font-weight: 700;
    }

    .article-content img {
      width: auto;
      max-width: 100%;
      height: auto;
      margin: 28px auto;
      border-radius: var(--radius-img);
      object-fit: cover;
    }

    .article-content figure {
      margin: 28px 0;
    }

    .article-content figure img {
      margin-bottom: 10px;
    }

    .article-content figcaption {
      color: var(--dark-muted);
      font-size: 13px;
      line-height: 1.6;
      text-align: center;
    }

    .article-content .table-scroll {
      margin: 28px 0;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
    }

    .article-content .table-scroll table {
      min-width: 560px;
    }

    .article-content table {
      width: 100%;
      border-collapse: collapse;
      font-size: 15px;
      line-height: 1.65;
    }

    .article-content th,
    .article-content td {
      padding: 12px 14px;
      border-bottom: 1px solid var(--hairline-dark);
      text-align: left;
      vertical-align: top;
    }

    .article-content th {
      color: var(--dark-text);
      font-weight: 700;
      background: rgba(11, 13, 15, .035);
    }

    .article-content code {
      padding: 2px 6px;
      border-radius: 6px;
      background: rgba(11, 13, 15, .06);
      color: #8e3419;
      font-size: .9em;
    }

    .article-content pre {
      overflow-x: auto;
      padding: 18px;
      border-radius: var(--radius-img);
      background: var(--ink-800);
      color: var(--text);
      font-size: 14px;
      line-height: 1.7;
    }

    .article-content pre code {
      padding: 0;
      background: transparent;
      color: inherit;
    }

    .article-empty {
      min-height: 320px;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      justify-content: center;
      padding: 40px;
      border: 1px solid rgba(11, 13, 15, .08);
      border-radius: var(--radius-card);
      background: #fff;
      box-shadow: var(--shadow-light);
    }

    .article-empty h2 {
      margin-bottom: 10px;
      color: var(--dark-text);
      font-size: 28px;
      line-height: 1.25;
    }

    .article-empty p {
      margin-bottom: 24px;
      color: var(--dark-muted);
      font-size: 15px;
      line-height: 1.8;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 48px;
      padding: 0 22px;
      border: 1px solid transparent;
      border-radius: var(--radius-pill);
      font-size: 14px;
      font-weight: 700;
      line-height: 1;
      text-decoration: none;
      transition: transform .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease), filter .22s var(--ease);
    }

    .btn-primary {
      background: var(--accent);
      border-color: var(--accent);
      color: #fff;
    }

    .btn-primary:hover {
      filter: brightness(.94);
      transform: translateY(-1px);
    }

    .btn-dark {
      background: var(--ink-900);
      border-color: var(--ink-900);
      color: var(--text);
    }

    .btn-dark:hover {
      background: #1a1e22;
      border-color: #1a1e22;
      transform: translateY(-1px);
    }

    .btn-outline-dark {
      background: transparent;
      border-color: rgba(11, 13, 15, .28);
      color: var(--dark-text);
    }

    .btn-outline-dark:hover {
      border-color: var(--accent);
      background: rgba(226, 84, 43, .06);
      color: var(--accent);
    }

    .article-tags {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 52px;
    }

    .tag-label {
      margin-right: 4px;
      color: var(--dark-muted);
      font-size: 13px;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      height: 28px;
      padding: 0 12px;
      border: 1px solid rgba(11, 13, 15, .08);
      border-radius: var(--radius-pill);
      background: rgba(11, 13, 15, .05);
      color: var(--dark-text);
      font-size: 12px;
      line-height: 1;
      text-decoration: none;
      transition: border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
    }

    .chip:hover {
      border-color: var(--accent);
      background: rgba(226, 84, 43, .06);
      color: var(--accent);
    }

    .article-nav {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 26px;
    }

    .article-aside {
      position: sticky;
      top: 96px;
      display: grid;
      gap: 0;
      min-width: 0;
    }

    .aside-card {
      padding: 22px;
      border: 1px solid rgba(11, 13, 15, .08);
      border-radius: var(--radius-card);
      background: #fff;
      box-shadow: var(--shadow-light);
    }

    .aside-card h2 {
      margin: 0 0 14px;
      color: var(--dark-text);
      font-size: 16px;
      line-height: 1.4;
      letter-spacing: .02em;
    }

    .toc-list {
      display: grid;
      gap: 0;
    }

    .toc-link {
      display: block;
      padding: 9px 0;
      border-bottom: 1px solid rgba(11, 13, 15, .08);
      color: var(--dark-muted);
      font-size: 13px;
      line-height: 1.5;
      text-decoration: none;
      transition: color .2s var(--ease), padding-left .2s var(--ease);
    }

    .toc-link:last-child {
      border-bottom: 0;
    }

    .toc-link:hover {
      padding-left: 4px;
      color: var(--accent);
    }

    .toc-empty {
      margin: 0;
      color: var(--dark-muted);
      font-size: 13px;
    }

    .related-list {
      margin-top: 24px;
    }

    .row-card {
      display: grid;
      grid-template-columns: 64px minmax(0, 1fr) 16px;
      gap: 12px;
      align-items: center;
      padding: 12px 0;
      border-bottom: 1px solid rgba(11, 13, 15, .08);
      color: var(--dark-text);
      text-decoration: none;
    }

    .row-card:last-child {
      border-bottom: 0;
    }

    .row-card img {
      width: 64px;
      height: 64px;
      border-radius: 8px;
      background: var(--ink-800);
      object-fit: cover;
    }

    .row-cat {
      display: block;
      margin-bottom: 3px;
      color: var(--accent);
      font-size: 11px;
      line-height: 1.4;
    }

    .row-card strong {
      display: block;
      color: var(--dark-text);
      font-size: 13px;
      font-weight: 600;
      line-height: 1.45;
      transition: color .2s var(--ease);
    }

    .row-card .arrow {
      color: var(--dark-muted);
      font-size: 16px;
      line-height: 1;
      transition: transform .2s var(--ease), color .2s var(--ease);
    }

    .row-card:hover strong,
    .row-card:hover .arrow {
      color: var(--accent);
    }

    .row-card:hover .arrow {
      transform: translateX(4px);
    }

    .aside-cta {
      margin-top: 24px;
      padding: 24px;
      border: 0;
      background: var(--ink-900);
      color: var(--text);
      box-shadow: none;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--accent-2);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: .16em;
      line-height: 1.4;
      text-transform: uppercase;
    }

    .aside-cta h2 {
      margin: 10px 0;
      color: var(--text);
      font-size: 22px;
      line-height: 1.3;
      letter-spacing: -.02em;
    }

    .aside-cta p {
      margin: 0 0 16px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--accent);
      font-weight: 600;
      text-decoration: none;
    }

    .text-link:hover {
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .related-section {
      margin-top: 56px;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 22px;
    }

    .section-head h2 {
      margin: 0;
      color: var(--dark-text);
      font-size: clamp(24px, 3vw, 34px);
      line-height: 1.25;
    }

    .section-head a {
      color: var(--accent);
      font-size: 13px;
      font-weight: 600;
      text-decoration: none;
      white-space: nowrap;
    }

    .section-head a:hover {
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .related-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 20px;
    }

    .related-card {
      display: block;
      overflow: hidden;
      border: 1px solid rgba(11, 13, 15, .08);
      border-radius: var(--radius-card);
      background: #fff;
      box-shadow: var(--shadow-light);
      text-decoration: none;
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
    }

    .related-card:hover {
      transform: translateY(-4px);
      border-color: rgba(226, 84, 43, .28);
      box-shadow: var(--shadow-hover);
    }

    .related-card .thumb {
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: var(--ink-800);
    }

    .related-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .35s var(--ease);
    }

    .related-card:hover img {
      transform: scale(1.04);
    }

    .related-card .body {
      padding: 18px;
    }

    .related-card .badge {
      margin-bottom: 10px;
    }

    .related-card h3 {
      margin: 0 0 8px;
      color: var(--dark-text);
      font-size: 17px;
      line-height: 1.45;
      letter-spacing: -.01em;
    }

    .related-card h3 span {
      background-image: linear-gradient(currentColor, currentColor);
      background-repeat: no-repeat;
      background-position: 0 100%;
      background-size: 0 1px;
      transition: background-size .24s var(--ease);
    }

    .related-card:hover h3 span {
      background-size: 100% 1px;
    }

    .related-card p {
      display: -webkit-box;
      overflow: hidden;
      margin: 0 0 14px;
      color: var(--dark-muted);
      font-size: 13px;
      line-height: 1.6;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 2;
    }

    .related-card time {
      color: var(--dark-muted);
      font-size: 12px;
      font-variant-numeric: tabular-nums;
    }

    .media-fallback {
      position: relative;
      overflow: hidden;
      background: var(--ink-800);
    }

    .media-fallback::before {
      content: "";
      position: absolute;
      inset: 0;
      opacity: .7;
      background-image:
        linear-gradient(135deg, transparent 49.6%, rgba(255, 255, 255, .09) 49.8%, transparent 50.2%),
        linear-gradient(45deg, transparent 49.6%, rgba(255, 255, 255, .09) 49.8%, transparent 50.2%);
      background-size: 48px 48px;
    }

    .reveal {
      opacity: 0;
      transform: translateY(16px);
      transition: opacity .5s var(--ease), transform .5s var(--ease);
    }

    .reveal.is-visible {
      opacity: 1;
      transform: none;
    }

    .hero-content > .reveal:nth-child(1) {
      transition-delay: .02s;
    }

    .hero-content > .reveal:nth-child(2) {
      transition-delay: .08s;
    }

    .hero-content > .reveal:nth-child(3) {
      transition-delay: .14s;
    }

    .site-footer {
      padding-top: 72px;
      background: var(--ink-900);
      color: var(--muted);
      border-top: 1px solid var(--hairline);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.2fr;
      gap: 48px;
      padding-bottom: 56px;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--text);
      font-size: 18px;
      font-weight: 800;
      letter-spacing: -.02em;
      text-decoration: none;
    }

    .footer-desc {
      max-width: 260px;
      margin: 16px 0 20px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .social-row {
      display: flex;
      gap: 10px;
    }

    .social-dot {
      display: grid;
      place-items: center;
      width: 32px;
      height: 32px;
      border: 1px solid var(--hairline);
      border-radius: 50%;
      color: var(--muted);
      font-size: 12px;
      line-height: 1;
    }

    .footer-col h4 {
      margin: 0 0 16px;
      color: var(--text);
      font-size: 14px;
      letter-spacing: .04em;
    }

    .footer-col ul {
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .footer-col li {
      margin-bottom: 10px;
    }

    .footer-col a,
    .footer-col p {
      margin: 0 0 8px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
      text-decoration: none;
    }

    .footer-col a:hover {
      color: var(--accent);
    }

    .footer-domain {
      color: rgba(155, 161, 166, .60);
      font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
      font-size: 12px;
      letter-spacing: .04em;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 22px 0;
      border-top: 1px solid var(--hairline);
      color: rgba(155, 161, 166, .75);
      font-size: 12px;
      line-height: 1.6;
    }

    .footer-bottom a {
      color: var(--muted);
      text-decoration: none;
    }

    .footer-bottom a:hover {
      color: var(--accent);
    }

    @media (max-width: 1023px) {
      .article-grid {
        grid-template-columns: 1fr;
        gap: 48px;
      }

      .article-main {
        max-width: 100%;
      }

      .article-aside {
        position: static;
        top: auto;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
      }

      .related-list {
        margin-top: 0;
      }

      .aside-cta {
        margin-top: 0;
      }

      .related-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 860px) {
      .header-inner {
        padding: 0 20px;
      }

      .brand-text {
        font-size: 18px;
      }

      .nav-toggle {
        display: block;
        position: relative;
        z-index: 1002;
      }

      .nav-main {
        position: fixed;
        inset: 0;
        z-index: 1001;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        gap: 26px;
        padding: 96px 32px 48px;
        background: rgba(11, 13, 15, .97);
        transform: translateX(100%);
        transition: transform .3s var(--ease);
      }

      body.nav-open .nav-main {
        transform: translateX(0);
      }

      .nav-link {
        color: var(--text);
        font-size: 24px;
      }

      .nav-cta {
        height: 48px;
        padding: 0 24px;
        font-size: 15px;
      }

      .hero-mark {
        display: none;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
    }

    @media (max-width: 767px) {
      .wrap {
        padding-left: 20px;
        padding-right: 20px;
      }

      .article-hero {
        min-height: 0;
        padding: 112px 0 56px;
      }

      .breadcrumb {
        margin-bottom: 44px;
      }

      .article-title {
        font-size: clamp(30px, 9vw, 44px);
      }

      .article-section {
        padding: 56px 0 64px;
      }

      .article-aside {
        grid-template-columns: 1fr;
      }

      .related-grid {
        grid-template-columns: 1fr;
      }

      .article-empty {
        padding: 28px;
      }

      .footer-bottom {
        flex-wrap: wrap;
      }
    }

    @media (max-width: 520px) {
      .article-meta {
        gap: 8px;
      }

      .article-meta i {
        display: none;
      }

      .article-content {
        font-size: 16px;
        line-height: 1.85;
      }

      .article-tags {
        margin-top: 40px;
      }

      .related-grid {
        gap: 16px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }

      *,
      *::before,
      *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
      }

      .reveal {
        opacity: 1;
        transform: none;
      }
    }

/* roulang page: category2 */
:root{
  --ink-900:#0B0D0F;
  --ink-800:#101315;
  --card:#14171A;
  --line:#1E2226;
  --paper:#F5F2EC;
  --paper-2:#EAE4D9;
  --text:#F2F0EC;
  --text-2:#9BA1A6;
  --dark-text:#14171A;
  --dark-text-2:#6B6F72;
  --accent:#E2542B;
  --accent-2:#6E8F84;
  --hair-dark:rgba(255,255,255,.12);
  --hair-light:rgba(11,13,15,.12);
  --r-card:14px;
  --r-img:12px;
  --r-pill:999px;
  --r-input:10px;
  --container:1320px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
input,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px;}

/* Foundation 默认外观清理 */
.button,.button:hover,.button:focus,.button:active,
button.button,.menu,.menu a,.top-bar,.top-bar ul,.accordion,.accordion-item,.accordion-title,.accordion-content{
  background:none;
  border:0;
  border-radius:0;
  box-shadow:none;
  font-family:inherit;
  color:inherit;
  text-transform:none;
}
.accordion-title::before,.accordion-title::after{display:none !important;content:none !important;}
.accordion-content{padding:0 !important;border:0 !important;background:transparent !important;}
.accordion-item{border:0;background:transparent;}
.grid-container{padding-left:0;padding-right:0;}

.wrap{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),backdrop-filter .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(11,13,15,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--hair-dark);
}
.header-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  transition:height .24s var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.brand-star{
  width:17px;
  height:17px;
  fill:var(--accent);
  transition:transform .3s var(--ease);
}
.brand:hover .brand-star{transform:rotate(90deg);}
.brand-text{
  font-size:18px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text);
}
.nav-main{
  display:flex;
  align-items:center;
  gap:32px;
}
.nav-link{
  position:relative;
  font-size:15px;
  color:rgba(242,240,236,.78);
  padding:4px 0;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-6px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:#fff;}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:#fff;}
.nav-cta{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 20px;
  border:1px solid rgba(255,255,255,.28);
  border-radius:var(--r-pill);
  font-size:14px;
  color:var(--text);
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-cta:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.55);}
.nav-cta:active{background:rgba(255,255,255,.14);}
.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
  border-radius:10px;
}
.nav-toggle span{
  display:block;
  width:20px;
  height:1.5px;
  background:var(--text);
  transition:transform .24s var(--ease),opacity .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}

/* ============ 分类头 ============ */
.page-head{
  position:relative;
  padding:132px 0 0;
  background:
    linear-gradient(180deg,rgba(11,13,15,.82) 0%,rgba(11,13,15,.72) 45%,rgba(11,13,15,.96) 100%),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  text-align:center;
  overflow:hidden;
}
.page-head .wrap{position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--accent-2);
  font-weight:600;
  margin-bottom:22px;
}
.eyebrow .star{width:8px;height:8px;fill:var(--accent);flex:none;}
.page-head h1{
  font-size:clamp(32px,5.2vw,64px);
  line-height:1.08;
  font-weight:800;
  letter-spacing:-.02em;
  margin:0 auto 20px;
  max-width:900px;
}
.page-head .lead{
  max-width:620px;
  margin:0 auto;
  font-size:16px;
  color:var(--text-2);
  line-height:1.8;
}
.head-rule{
  height:1px;
  background:var(--hair-dark);
  margin-top:64px;
  width:100%;
}

/* ============ 通用区块 ============ */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.sec-head h2{
  font-size:clamp(24px,3vw,38px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.02em;
}
.sec-head .sec-sub{
  font-size:14px;
  color:var(--text-2);
  margin-top:10px;
  max-width:560px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  color:var(--text-2);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.text-link:hover{color:var(--accent);border-bottom-color:var(--accent);}
.text-link .arrow{transition:transform .2s var(--ease);}
.text-link:hover .arrow{transform:translateX(4px);}

/* ============ 图集网格 ============ */
.gallery{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:var(--gap);
}
.gal-item{grid-column:span 12;display:flex;flex-direction:column;gap:16px;}
.gal-item.wide{grid-column:span 6;}
.gal-item.small{grid-column:span 3;}
.gal-media{
  position:relative;
  display:block;
  overflow:hidden;
  border-radius:var(--r-card);
  background:var(--ink-800);
  border:1px solid var(--line);
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.gal-item.wide .gal-media{aspect-ratio:16/10;}
.gal-item.small .gal-media{aspect-ratio:4/5;}
.gal-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.gal-badge{
  position:absolute;
  left:16px;
  bottom:16px;
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  color:var(--paper);
  background:rgba(11,13,15,.74);
  border:1px solid rgba(255,255,255,.2);
  backdrop-filter:blur(6px);
  opacity:0;
  transform:translateY(8px);
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.gal-media:hover{border-color:rgba(226,84,43,.6);}
.gal-media:hover img{transform:scale(1.04);}
.gal-media:hover .gal-badge,
.gal-media:focus-visible .gal-badge{opacity:1;transform:translateY(0);}
.gal-body h3{
  font-size:19px;
  line-height:1.45;
  font-weight:700;
  letter-spacing:-.01em;
}
.gal-item.small .gal-body h3{font-size:16px;}
.gal-body p{
  margin-top:8px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
}
.gal-meta{
  margin-top:10px;
  font-size:13px;
  color:rgba(155,161,166,.85);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}

/* ============ 数据条 ============ */
.metrics{
  border-top:1px solid var(--hair-dark);
  border-bottom:1px solid var(--hair-dark);
  padding:48px 0;
  background:var(--ink-800);
}
.metrics-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.metric{
  padding:0 28px;
  border-left:1px solid var(--hair-dark);
}
.metric:first-child{border-left:0;padding-left:0;}
.metric-num{
  font-size:clamp(28px,3.4vw,44px);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1;
  color:var(--text);
  font-variant-numeric:tabular-nums;
}
.metric-num em{font-style:normal;font-size:.5em;color:var(--accent-2);margin-left:4px;font-weight:700;}
.metric-label{
  margin-top:12px;
  font-size:13px;
  color:var(--text-2);
  letter-spacing:.04em;
}

/* ============ 时间线 ============ */
.timeline{border-bottom:1px solid var(--hair-dark);}
.tl-item{
  display:grid;
  grid-template-columns:110px 1fr;
  gap:40px;
  padding:36px 0;
  border-top:1px solid var(--hair-dark);
  transition:background .22s var(--ease);
}
.tl-item:hover{background:rgba(255,255,255,.02);}
.tl-num{
  font-size:clamp(28px,3vw,42px);
  line-height:1;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--accent-2);
  font-variant-numeric:tabular-nums;
  padding-top:4px;
}
.tl-body h3{
  font-size:21px;
  line-height:1.4;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:10px;
}
.tl-body p{
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
  max-width:760px;
}
.tl-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:16px;
}
.chip{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  color:var(--text-2);
  background:rgba(255,255,255,.08);
  letter-spacing:.02em;
}
.chip--accent{
  background:transparent;
  border:1px solid var(--accent);
  color:var(--accent);
}
.tl-date{
  display:inline-block;
  margin-top:14px;
  font-size:13px;
  color:rgba(155,161,166,.8);
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
}

/* ============ FAQ ============ */
.faq-block{max-width:900px;margin:0 auto;}
.faq-block .sec-head{justify-content:center;text-align:center;flex-direction:column;align-items:center;gap:0;margin-bottom:32px;}
.accordion{margin:0;border-top:1px solid var(--hair-dark);}
.accordion-item{border-bottom:1px solid var(--hair-dark);}
.accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0;
  font-size:17px;
  font-weight:500;
  line-height:1.5;
  color:var(--text);
  transition:color .2s var(--ease);
}
.accordion-title:hover{color:var(--accent);}
.acc-icon{
  position:relative;
  flex:none;
  width:14px;
  height:14px;
  border-radius:2px;
}
.acc-icon::before,.acc-icon::after{
  content:"";
  position:absolute;
  background:currentColor;
  transition:transform .24s var(--ease),opacity .2s var(--ease);
}
.acc-icon::before{left:0;top:6.5px;width:14px;height:1px;}
.acc-icon::after{left:6.5px;top:0;width:1px;height:14px;}
.accordion-title[aria-expanded="true"] .acc-icon::after{transform:scaleY(0);}
.accordion-title[aria-expanded="true"]{color:var(--text);}
.accordion-content{
  padding:0 0 20px !important;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
  max-width:760px;
}

/* ============ CTA ============ */
.cta-section{
  padding:96px 0;
  background:var(--ink-800);
  border-top:1px solid var(--hair-dark);
}
.cta-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:64px;
  align-items:start;
}
.cta-grid h2{
  font-size:clamp(26px,3.4vw,42px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.02em;
  margin-bottom:16px;
}
.cta-grid .cta-desc{
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
  max-width:400px;
}
.cta-note{
  margin-top:24px;
  font-size:13px;
  color:rgba(155,161,166,.75);
  line-height:1.8;
}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13px;color:var(--text-2);letter-spacing:.04em;}
.field input{
  height:48px;
  width:100%;
  padding:0 14px;
  background:transparent;
  border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-input);
  color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field input::placeholder{color:rgba(155,161,166,.6);}
.field input:hover{border-color:rgba(255,255,255,.34);}
.field input:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(226,84,43,.18);
}
.form-actions{
  grid-column:1/-1;
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  margin-top:4px;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  transition:filter .2s var(--ease),transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  border:1px solid var(--accent);
}
.btn-primary:hover{filter:brightness(.94);}
.btn-primary:hover .arrow{transform:translateX(4px);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{
  background:transparent;
  border:1px solid rgba(255,255,255,.28);
  color:var(--text);
}
.btn-outline:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.55);}
.btn .arrow{transition:transform .2s var(--ease);}
.form-msg{
  font-size:13px;
  color:var(--accent-2);
  min-height:20px;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-900);
  border-top:1px solid var(--hair-dark);
  padding:72px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:48px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-brand .brand-star{width:16px;height:16px;fill:var(--accent);}
.footer-desc{
  font-size:13px;
  line-height:1.8;
  color:var(--text-2);
  max-width:260px;
}
.social-row{display:flex;gap:10px;margin-top:20px;}
.social-dot{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;
  height:32px;
  border-radius:50%;
  border:1px solid var(--hair-dark);
  font-size:12px;
  color:var(--text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.social-dot:hover{border-color:var(--accent);color:var(--accent);}
.footer-col h4{
  font-size:13px;
  font-weight:600;
  letter-spacing:.12em;
  color:rgba(242,240,236,.55);
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{
  font-size:13px;
  color:var(--text-2);
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--accent);}
.footer-col p{
  font-size:13px;
  color:var(--text-2);
  line-height:1.9;
}
.footer-domain{
  margin-top:8px;
  font-size:12px;
  letter-spacing:.08em;
  color:rgba(155,161,166,.55);
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:24px;
  border-top:1px solid var(--hair-dark);
  font-size:13px;
  color:rgba(155,161,166,.7);
}
.footer-bottom a{transition:color .2s var(--ease);}
.footer-bottom a:hover{color:var(--accent);}

/* ============ 入场动画 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .wrap,.header-inner{padding:0 28px;}
  .gallery{gap:20px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .cta-section{padding:72px 0;}
  .page-head{padding-top:110px;}
  .head-rule{margin-top:48px;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .cta-grid .cta-desc{max-width:none;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);row-gap:32px;}
  .metric{border-left:1px solid var(--hair-dark);padding:0 24px;}
  .metric:nth-child(odd){border-left:0;padding-left:0;}
  .gal-item.wide{grid-column:span 12;}
  .gal-item.small{grid-column:span 6;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:900px){
  .nav-toggle{display:flex;}
  .nav-main{
    position:fixed;
    inset:0;
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    justify-content:flex-start;
    gap:0;
    padding:96px 32px 40px;
    background:rgba(11,13,15,.97);
    backdrop-filter:blur(14px);
    transform:translateX(100%);
    opacity:0;
    pointer-events:none;
    transition:transform .3s var(--ease),opacity .24s var(--ease);
    z-index:190;
  }
  .nav-main.is-open{transform:translateX(0);opacity:1;pointer-events:auto;}
  .nav-link{
    width:100%;
    font-size:20px;
    padding:18px 0;
    border-bottom:1px solid var(--hair-dark);
    color:var(--text);
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--accent);}
  .nav-cta{margin-top:28px;height:46px;padding:0 26px;font-size:15px;}
}
@media (max-width:767px){
  .wrap,.header-inner{padding:0 20px;}
  .section{padding:56px 0;}
  .cta-section{padding:56px 0;}
  .page-head{padding-top:96px;}
  .head-rule{margin-top:36px;}
  .gal-item.small{grid-column:span 12;}
  .gal-item.wide .gal-media{aspect-ratio:16/11;}
  .gal-item.small .gal-media{aspect-ratio:16/11;}
  .tl-item{grid-template-columns:1fr;gap:14px;padding:28px 0;}
  .tl-num{font-size:32px;}
  .form-grid{grid-template-columns:1fr;}
  .sec-head{margin-bottom:28px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:520px){
  .brand-text{font-size:16px;}
  .metrics-grid{grid-template-columns:1fr;}
  .metric{border-left:0;padding:0;border-top:1px solid var(--hair-dark);padding-top:20px;}
  .metric:first-child{border-top:0;padding-top:0;}
  .btn{width:100%;justify-content:center;}
  .form-actions{flex-direction:column;align-items:stretch;}
}