/* roulang page: index */
:root{
  --ink:#131311;
  --ink-2:#1E1E1B;
  --paper:#F7F5EF;
  --paper-2:#EFEBE2;
  --lime:#C8F24E;
  --flame:#E4512A;
  --muted:#6E6B62;
  --line:#DCD6C8;
  --white:#FFFFFF;
  --r-card:6px;
  --r-btn:4px;
  --wrap:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-hover:0 8px 24px rgba(19,19,17,.08);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
:focus-visible{outline:2px solid var(--flame);outline-offset:2px}
[hidden]{display:none !important}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:#CFCABC;font-size:13px;height:38px;overflow:hidden}
.topbar-inner{display:flex;align-items:center;gap:14px;height:38px;max-width:var(--wrap);margin:0 auto;padding:0 32px}
.topbar-domain{color:var(--paper);font-weight:650;letter-spacing:.02em;font-variant-numeric:tabular-nums}
.topbar-sep{width:1px;height:12px;background:rgba(247,245,239,.28);flex:none}
.topbar-note{color:#B9B4A6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:18px;flex:none}
.topbar-link{color:#D9D4C6;transition:color .2s var(--ease)}
.topbar-link:hover{color:var(--lime)}
.topbar-btn{
  display:inline-flex;align-items:center;height:24px;padding:0 14px;
  background:var(--lime);color:var(--ink);border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.topbar-btn:hover{background:#D6FA6A;transform:translateY(-1px)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-stuck{
  background:rgba(247,245,239,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom-color:#C9C2B2;
  box-shadow:0 1px 0 rgba(19,19,17,.04);
}
.nav-inner{display:flex;align-items:center;gap:36px;height:72px;max-width:var(--wrap);margin:0 auto;padding:0 32px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.logo-mark{
  width:28px;height:28px;border-radius:6px;background:var(--ink);color:var(--lime);
  display:grid;place-items:center;font-size:12px;font-weight:800;letter-spacing:0;
}
.logo-text em{font-style:normal;color:var(--muted);font-weight:700;margin-left:5px;font-size:15px}
.nav-links{display:flex;align-items:center;gap:30px;margin-right:auto}
.nav-link{
  position:relative;font-size:15px;font-weight:650;padding:6px 0;color:var(--ink);
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--ink);
  transition:width .22s var(--ease);
}
.nav-link:hover::after{width:100%}
.nav-link.is-active::after{width:100%}
.nav-link:hover{color:var(--flame)}
.nav-link:hover::after{background:var(--flame)}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 24px;
  background:var(--ink);color:var(--white);border-radius:var(--r-btn);
  font-size:14px;font-weight:650;white-space:nowrap;
  transition:background .22s var(--ease),transform .22s var(--ease);
}
.nav-cta:hover{background:var(--flame)}
.nav-cta:active{transform:translateY(1px)}
.nav-cta .arrow{transition:transform .22s var(--ease)}
.nav-cta:hover .arrow{transform:translateX(4px)}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  border:1px solid var(--line);border-radius:var(--r-btn);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 移动抽屉 */
.nav-drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  padding:24px 20px 40px;display:flex;flex-direction:column;
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform .3s var(--ease),opacity .25s var(--ease),visibility .3s;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  display:grid;place-items:center;font-size:22px;line-height:1;
}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-nav a{
  font-size:20px;font-weight:700;padding:18px 4px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer-nav a::after{content:"→";color:var(--flame);font-size:16px}
.drawer-cta{margin-top:28px;display:flex;width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:650;letter-spacing:.01em;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn .arrow{transition:transform .22s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--ink);color:var(--white)}
.btn-primary:hover{background:var(--flame)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:#D6FA6A}

/* ---------- 通用标签 / 文字链 ---------- */
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:999px;background:var(--paper-2);color:var(--ink);
  font-size:12px;font-weight:650;letter-spacing:.02em;white-space:nowrap;
}
.tag-lime{background:var(--lime);color:var(--ink)}
.tag-ink{background:rgba(19,19,17,.08);color:var(--ink)}
.link-arrow{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:650;color:var(--ink);
}
.link-arrow::before{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:currentColor;
  transition:width .22s var(--ease);
}
.link-arrow:hover::before{width:100%}
.link-arrow:hover{color:var(--flame)}
.link-arrow .arrow{transition:transform .22s var(--ease)}
.link-arrow:hover .arrow{transform:translateX(4px)}

/* ---------- 板块通用 ---------- */
.section{padding:104px 0;border-bottom:1px solid var(--line)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--muted);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--flame)}
.h2{font-size:clamp(26px,3.4vw,44px);line-height:1.15;font-weight:750;letter-spacing:-.02em}
.section-desc{font-size:15px;color:var(--muted);max-width:34em;margin-top:14px}
.h3{font-size:20px;line-height:1.4;font-weight:650}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:76px 0 88px;border-bottom:1px solid var(--line)}
.hero-mark{
  position:absolute;right:-30px;top:-80px;
  font-size:clamp(180px,24vw,330px);line-height:1;font-weight:800;letter-spacing:-.05em;
  color:transparent;-webkit-text-stroke:1px var(--line);
  pointer-events:none;user-select:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}
.hero-title{
  font-size:clamp(32px,4.6vw,56px);line-height:1.1;font-weight:800;letter-spacing:-.02em;
  max-width:11em;
}
.hero-title .hl{
  display:inline-block;position:relative;z-index:1;
}
.hero-title .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;background:var(--lime);z-index:-1;
}
.hero-sub{font-size:17px;line-height:1.8;color:var(--muted);max-width:26em;margin-top:22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-card);border:1px solid var(--line);
}
.hero-badge{
  position:absolute;top:-12px;right:-10px;
  background:var(--lime);color:var(--ink);font-size:12px;font-weight:750;
  padding:7px 15px;border-radius:999px;letter-spacing:.02em;
  box-shadow:0 4px 12px rgba(19,19,17,.1);
}
.trust-bar{
  position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:60px;padding-top:30px;border-top:1px solid var(--line);
}
.trust-num{
  font-size:clamp(26px,3vw,34px);line-height:1.1;font-weight:800;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.trust-num em{font-style:normal;color:var(--flame);font-size:.58em;font-weight:750;margin-left:3px}
.trust-label{font-size:12px;color:var(--muted);margin-top:6px;letter-spacing:.01em}

/* ---------- 卖点三连 ---------- */
.points{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:24px}
.point{
  display:flex;flex-direction:column;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:38px 32px 32px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.point:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#C9C2B2}
.point--dark{background:var(--ink);border-color:var(--ink);color:var(--paper-2)}
.point--dark:hover{border-color:var(--ink-2);box-shadow:0 10px 28px rgba(19,19,17,.16)}
.point-idx{
  font-size:56px;line-height:1;font-weight:800;letter-spacing:-.03em;
  color:transparent;-webkit-text-stroke:1px var(--line);
  font-variant-numeric:tabular-nums;
  transition:color .24s var(--ease),-webkit-text-stroke-color .24s var(--ease);
}
.point--dark .point-idx{-webkit-text-stroke-color:rgba(247,245,239,.34)}
.point:hover .point-idx{color:var(--flame);-webkit-text-stroke-color:var(--flame)}
.point-title{margin-top:22px;font-size:21px;line-height:1.35;font-weight:700}
.point--dark .point-title{color:var(--white)}
.point-text{margin-top:12px;font-size:15px;line-height:1.85;color:var(--muted);flex:1}
.point--dark .point-text{color:#BFBAAE}
.point-foot{margin-top:26px}
.point--dark .link-arrow{color:var(--lime)}
.point--dark .link-arrow:hover{color:#D6FA6A}

/* ---------- 场景演示 ---------- */
.scene{display:grid;grid-template-columns:.82fr 1.18fr;gap:64px;align-items:start}
.scene-aside{position:sticky;top:104px}
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.scene-item{
  display:flex;flex-direction:column;
  padding-bottom:30px;margin-bottom:30px;border-bottom:1px solid var(--line);
  transition:transform .24s var(--ease);
}
.scene-item:hover{transform:translateX(-6px)}
.scene-item img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-card);border:1px solid var(--line);margin-bottom:18px;
}
.scene-item .tag{align-self:flex-start;margin-bottom:12px}
.scene-item .h3{margin-bottom:10px}
.scene-item p{font-size:14px;line-height:1.85;color:var(--muted);margin-bottom:14px}
.scene-item .link-arrow{font-size:13px}

/* ---------- 社会认同 ---------- */
.proof{background:var(--ink);color:#CFCABC;padding:96px 0}
.proof .eyebrow{color:#8E8A7E}
.proof-quote{
  font-size:clamp(24px,3vw,36px);line-height:1.42;font-weight:750;letter-spacing:-.01em;
  color:var(--white);max-width:24em;margin-top:8px;
}
.proof-quote .mark{color:var(--lime)}
.proof-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:56px;padding-top:36px;border-top:1px solid rgba(247,245,239,.14)}
.proof-stat-num{font-size:clamp(28px,3.2vw,40px);font-weight:800;line-height:1.1;color:var(--lime);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.proof-stat-label{font-size:13px;color:#A9A498;margin-top:8px;line-height:1.7}
.ticker{
  display:flex;gap:16px;margin-top:52px;overflow-x:auto;padding-bottom:6px;
  scrollbar-width:thin;scrollbar-color:rgba(247,245,239,.24) transparent;
}
.ticker::-webkit-scrollbar{height:4px}
.ticker::-webkit-scrollbar-thumb{background:rgba(247,245,239,.24);border-radius:2px}
.ticker-item{
  flex:0 0 320px;background:var(--ink-2);border:1px solid rgba(247,245,239,.1);
  border-radius:var(--r-card);padding:22px 22px 20px;
}
.ticker-no{font-size:12px;font-weight:750;color:var(--flame);letter-spacing:.1em;font-variant-numeric:tabular-nums}
.ticker-text{font-size:14px;line-height:1.8;color:#D6D1C4;margin-top:10px}
.ticker-src{display:inline-block;margin-top:14px;font-size:12px;font-weight:650;color:var(--lime)}

/* ---------- 资讯（CMS） ---------- */
.news-top{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:22px}
.news-caps{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.cap{
  display:inline-flex;align-items:center;height:34px;padding:0 18px;
  border:1px solid var(--line);border-radius:999px;
  font-size:13px;font-weight:650;color:var(--muted);background:transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.cap:hover{color:var(--ink);border-color:var(--ink);background:var(--paper-2)}
.cap.is-on{background:var(--ink);border-color:var(--ink);color:var(--white)}
.news-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:28px;align-items:start}
.news-feature{
  display:block;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;height:100%;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.news-feature:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#C9C2B2}
.news-feature-media{position:relative}
.news-feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.news-feature-media .tag{position:absolute;left:16px;top:16px}
.news-feature-body{padding:26px 28px 28px}
.news-feature-body .h3{font-size:22px;margin-bottom:12px}
.news-feature-body p{font-size:14px;line-height:1.85;color:var(--muted)}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:20px;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line)}
.news-side{display:grid;gap:18px}
.news-mini{
  display:grid;grid-template-columns:104px 1fr;gap:16px;align-items:start;
  padding:14px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--paper);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-mini:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#C9C2B2}
.news-mini img{width:104px;height:104px;object-fit:cover;border-radius:4px}
.news-mini h4{
  font-size:15px;line-height:1.5;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-mini p{
  font-size:12.5px;line-height:1.7;color:var(--muted);margin-top:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-mini .news-meta{margin-top:10px}
.news-empty{
  border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 32px;text-align:center;background:var(--paper-2);
}
.news-empty p{font-size:15px;color:var(--muted)}
.news-empty .btn{margin-top:22px}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:64px;align-items:start}
.faq-aside p{font-size:15px;line-height:1.85;color:var(--muted);margin-top:16px;max-width:24em}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  width:100%;text-align:left;padding:24px 0;
  font-size:16px;line-height:1.6;font-weight:650;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--flame)}
.faq-icon{
  flex:none;width:26px;height:26px;border:1px solid var(--line);border-radius:50%;
  display:grid;place-items:center;font-size:15px;line-height:1;font-weight:700;
  transition:transform .24s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--flame);color:var(--flame)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a p{font-size:15px;line-height:1.8;color:var(--muted);padding:0 44px 24px 0}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--ink);color:var(--paper-2);padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:750;color:var(--white);letter-spacing:-.01em}
.cta-inner p{font-size:14px;color:#A9A498;margin-top:8px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B9B4A6;padding:80px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:56px}
.footer-brand .logo{color:var(--white)}
.footer-brand .logo-mark{background:var(--lime);color:var(--ink)}
.footer-brand .logo-text em{color:#8E8A7E}
.footer-keyword{
  display:inline-block;margin-top:18px;font-size:13px;font-weight:650;color:var(--lime);
  letter-spacing:.02em;
}
.footer-brand p{font-size:13px;line-height:1.9;margin-top:12px;max-width:24em;color:#9C978B}
.footer-title{font-size:13px;font-weight:750;color:var(--white);letter-spacing:.06em;margin-bottom:18px}
.footer-list li+li{margin-top:11px}
.footer-list a{font-size:13.5px;color:#B9B4A6;transition:color .2s var(--ease)}
.footer-list a:hover{color:var(--lime)}
.footer-info{font-size:13px;line-height:1.9;color:#9C978B}
.footer-info strong{display:block;color:var(--white);font-weight:650;font-size:13px;margin-bottom:4px}
.footer-info .domain{color:var(--lime);font-variant-numeric:tabular-nums}
.footer-bar{
  border-top:1px solid rgba(247,245,239,.12);
  padding:22px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:#8E8A7E;
}
.footer-bar .bar-right{display:flex;gap:18px;flex-wrap:wrap}

/* ---------- 固定转化条 ---------- */
.dock{
  position:fixed;right:24px;bottom:24px;z-index:70;width:360px;
  background:var(--ink);color:var(--paper-2);border-radius:var(--r-card);
  padding:18px 20px;display:flex;align-items:center;gap:16px;
  box-shadow:0 14px 34px rgba(19,19,17,.28);
}
.dock p{font-size:13.5px;line-height:1.6;flex:1}
.dock .btn{height:40px;padding:0 18px;font-size:13.5px;flex:none}
.dock-close{
  position:absolute;right:8px;top:6px;width:22px;height:22px;border-radius:50%;
  display:grid;place-items:center;font-size:15px;line-height:1;color:#8E8A7E;
  transition:color .2s var(--ease);
}
.dock-close:hover{color:var(--lime)}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity .28s var(--ease),transform .28s var(--ease)}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .nav-inner{gap:24px}
  .nav-links{gap:22px}
  .scene{gap:40px}
  .faq-layout{gap:40px}
  .news-grid{grid-template-columns:1fr}
  .news-side{grid-template-columns:1fr 1fr;gap:16px}
}
@media (max-width:1024px){
  .section{padding:80px 0}
  .hero{padding:56px 0 64px}
  .hero-grid{gap:40px}
  .points{grid-template-columns:1fr 1fr}
  .point--dark{grid-column:span 2}
  .scene{grid-template-columns:1fr;gap:32px}
  .scene-aside{position:static}
  .proof{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .faq-layout{grid-template-columns:1fr;gap:28px}
}
@media (max-width:900px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .topbar-note{max-width:180px}
}
@media (max-width:768px){
  .container,.topbar-inner,.nav-inner{padding:0 20px}
  .topbar-domain,.topbar-sep,.topbar-link{display:none}
  .topbar-note{max-width:none;flex:1}
  .section{padding:64px 0}
  .hero{padding:44px 0 56px}
  .hero-mark{font-size:clamp(140px,40vw,220px);top:-40px;right:-24px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:2}
  .hero-actions .btn{flex:1 1 auto}
  .trust-bar{grid-template-columns:1fr 1fr;gap:22px;margin-top:40px}
  .points{grid-template-columns:1fr}
  .point--dark{grid-column:auto}
  .scene-grid{grid-template-columns:1fr;gap:0}
  .proof-stats{grid-template-columns:1fr;gap:24px}
  .ticker{flex-direction:column;overflow-x:visible}
  .ticker-item{flex:1 1 auto}
  .ticker-item:nth-child(n+3){display:none}
  .news-side{grid-template-columns:1fr}
  .news-feature-body{padding:22px}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:34px;padding-bottom:44px}
  .site-footer{padding-top:56px;padding-bottom:60px}
  .dock{
    left:0;right:0;bottom:0;width:100%;border-radius:0;
    padding:10px 16px;height:60px;box-shadow:0 -6px 20px rgba(19,19,17,.2);
  }
  .dock p{font-size:12.5px}
  .dock .btn{height:38px;padding:0 14px;flex:none;min-width:40%}
  .dock-close{display:none}
}
@media (max-width:520px){
  .trust-num{font-size:24px}
  .btn{height:46px;padding:0 20px;font-size:14px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .news-mini{grid-template-columns:88px 1fr;gap:12px}
  .news-mini img{width:88px;height:88px}
  .cta-inner .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --ink:#131311;
  --ink-2:#1E1E1B;
  --paper:#F7F5EF;
  --paper-2:#EFEBE2;
  --lime:#C8F24E;
  --flame:#E4512A;
  --muted:#6E6B62;
  --line:#DCD6C8;
  --white:#FFFFFF;
  --radius-card:6px;
  --radius-btn:4px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --shadow-hover:0 8px 24px rgba(19,19,17,.08);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
body.no-scroll{overflow:hidden;}
img{display:block;max-width:100%;height:auto;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
::selection{background:var(--lime);color:var(--ink);}
:focus-visible{outline:2px solid var(--flame);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ===== 顶部信息条 ===== */
.topbar{
  background:var(--ink);
  color:#EFEDE4;
  font-size:12px;
  letter-spacing:.02em;
}
.topbar-inner{
  height:38px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0;}
.topbar-left .domain{color:#A9A79C;font-variant-numeric:tabular-nums;}
.topbar-left .sep{color:#4A4A44;}
.topbar-note{color:#D9D6CB;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-right{display:flex;align-items:center;gap:16px;flex:none;}
.top-link{color:#C9C6BA;transition:color .2s var(--ease);}
.top-link:hover{color:var(--lime);}
.mini-btn{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--radius-btn);
  background:var(--lime);
  color:var(--ink);
  font-size:12px;
  font-weight:700;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.mini-btn:hover{background:#D8FF65;}
.mini-btn:active{transform:translateY(1px);}

/* ===== 主导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease),border-color .24s var(--ease),backdrop-filter .24s var(--ease);
}
.site-header.is-stuck{
  background:rgba(247,245,239,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom-color:#C6BFAE;
}
.nav-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink);
  flex:none;
}
.logo-mark{
  width:34px;
  height:34px;
  border-radius:var(--radius-btn);
  background:var(--ink);
  color:var(--lime);
  display:grid;
  place-items:center;
  font-size:11px;
  font-weight:800;
  letter-spacing:.06em;
}
.logo-text em{font-style:normal;color:var(--flame);margin-left:2px;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  border-radius:var(--radius-btn);
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  background:var(--ink);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--flame);}
.nav-link:hover::after{background:var(--flame);transform:scaleX(1);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;}
.nav-cta{height:42px;padding:0 20px;font-size:14px;}
.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  padding:0;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:transparent;
  cursor:pointer;
  place-items:center;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.menu-toggle:hover{border-color:var(--ink);background:var(--paper-2);}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);margin:3px auto;border-radius:1px;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:650;
  line-height:1;
  cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .18s var(--ease);
}
.btn .arw{transition:transform .22s var(--ease);}
.btn:hover .arw{transform:translateX(4px);}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--ink);color:#FFFFFF;}
.btn-primary:hover{background:var(--flame);color:#FFFFFF;}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#FFFFFF;}
.btn-lime{background:var(--lime);color:var(--ink);font-weight:700;}
.btn-lime:hover{background:#D8FF65;color:var(--ink);}

/* ===== 移动端抽屉 ===== */
.drawer{
  position:fixed;
  inset:0;
  z-index:200;
  background:var(--paper);
  display:flex;
  flex-direction:column;
  padding:20px;
  transform:translateY(-100%);
  visibility:hidden;
  transition:transform .3s var(--ease),visibility .3s var(--ease);
}
.drawer.is-open{transform:translateY(0);visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-title{font-size:16px;font-weight:800;}
.drawer-close{
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:transparent;
  font-size:20px;
  line-height:1;
  color:var(--ink);
  cursor:pointer;
}
.drawer-close:hover{border-color:var(--ink);}
.drawer-nav{margin-top:8px;}
.drawer-nav a{
  display:block;
  padding:16px 0;
  font-size:20px;
  font-weight:700;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{color:var(--flame);}
.drawer-cta{margin-top:28px;width:100%;}

/* ===== 面包屑 ===== */
.breadcrumb{padding:22px 0 24px;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:12px;color:var(--muted);}
.breadcrumb li{display:flex;align-items:center;gap:6px;min-width:0;}
.breadcrumb li:not(:first-child)::before{content:"/";color:#BAB3A4;flex:none;}
.breadcrumb a{color:var(--muted);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--flame);}
.breadcrumb .current{color:#9D9A90;max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ===== 文章头 ===== */
.article-hero{padding-bottom:0;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 12px;
  border-radius:999px;
  background:var(--paper-2);
  color:var(--ink);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--flame);display:inline-block;}
.article-title{
  margin-top:18px;
  max-width:20em;
  font-size:clamp(30px,4.6vw,54px);
  line-height:1.12;
  font-weight:800;
  letter-spacing:-.02em;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 10px;
  margin-top:22px;
  font-size:13px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{color:#C2BCAE;}
.article-facts{
  margin-top:28px;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--white);
  overflow:hidden;
}
.fact{padding:16px 20px;border-right:1px solid var(--line);}
.fact:last-child{border-right:none;}
.fact .k{font-size:12px;color:var(--muted);letter-spacing:.06em;}
.fact .v{margin-top:6px;font-size:15px;font-weight:650;font-variant-numeric:tabular-nums;}

/* ===== 正文两栏 ===== */
.article-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:0;
  padding:56px 0 64px;
  border-bottom:1px solid var(--line);
}
.article-body{
  width:100%;
  max-width:760px;
  margin:0 auto;
  font-size:16px;
  line-height:1.9;
  color:#26261F;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.4em;max-width:42em;}
.article-body h2{
  position:relative;
  margin:2em 0 .6em;
  padding-left:16px;
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.32;
  font-weight:750;
  letter-spacing:-.01em;
  color:var(--ink);
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.3em;
  bottom:.3em;
  width:8px;
  border-radius:2px;
  background:var(--lime);
}
.article-body h3{
  margin:1.6em 0 .5em;
  font-size:20px;
  line-height:1.45;
  font-weight:650;
  color:var(--ink);
}
.article-body h4{margin:1.4em 0 .4em;font-size:17px;font-weight:650;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.4em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.42em 0;}
.article-body li::marker{color:var(--flame);}
.article-body ol li::marker{font-variant-numeric:tabular-nums;font-weight:650;}
.article-body blockquote{
  margin:1.8em 0;
  padding:16px 22px;
  border-left:3px solid var(--flame);
  background:var(--paper-2);
  border-radius:0 var(--radius-card) var(--radius-card) 0;
  color:#3A3A31;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  max-width:100%;
  height:auto;
  margin:1.6em auto;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  margin-top:12px;
  font-size:13px;
  color:var(--muted);
  text-align:center;
  line-height:1.7;
}
.article-body a{
  color:var(--ink);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
  transition:color .2s var(--ease);
}
.article-body a:hover{color:var(--flame);}
.article-body code{
  padding:2px 6px;
  border-radius:4px;
  background:var(--paper-2);
  font-size:.92em;
}
.article-body pre{
  margin:1.6em 0;
  padding:18px 20px;
  border-radius:var(--radius-card);
  background:var(--ink);
  color:#EFEDE4;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
}
.article-body pre code{background:transparent;padding:0;color:inherit;}
.article-body hr{margin:2.2em 0;border:none;border-top:1px solid var(--line);}
.article-body table{
  width:100%;
  margin:1.6em 0;
  border-collapse:collapse;
  font-size:15px;
}
.article-body th,.article-body td{
  padding:11px 14px;
  border-bottom:1px solid var(--line);
  text-align:left;
  vertical-align:top;
}
.article-body th{background:var(--paper-2);font-weight:650;font-size:14px;}

/* 目录 */
.toc{display:none;}
.toc-title{
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--muted);
}
.toc ol{margin-top:14px;border-left:1px solid var(--line);}
.toc li a{
  display:block;
  margin-left:-1px;
  padding:7px 0 7px 14px;
  border-left:2px solid transparent;
  font-size:13px;
  line-height:1.55;
  color:#5B594F;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.toc li a:hover{color:var(--ink);border-left-color:var(--flame);}
.toc li.is-sub a{padding-left:26px;font-size:12.5px;color:#78766B;}

/* 空态 */
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  background:var(--paper-2);
  padding:56px 24px;
  text-align:center;
}
.empty-state h2{font-size:22px;font-weight:750;margin-bottom:10px;}
.empty-state p{color:var(--muted);margin-bottom:24px;}

/* 文章底部 */
.article-foot{
  margin-top:44px;
  padding-top:26px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.article-foot .note{font-size:13px;color:var(--muted);}

/* ===== 相关推荐 ===== */
.related{padding:64px 0;}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.sec-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:750;letter-spacing:-.01em;}
.sec-head .more{
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  border-bottom:1px solid var(--ink);
  padding-bottom:2px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.sec-head .more:hover{color:var(--flame);border-color:var(--flame);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.mini-card{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:14px;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--white);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.mini-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#C6BFAE;}
.mini-card img{
  width:88px;
  height:66px;
  object-fit:cover;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  flex:none;
}
.mini-card h3{
  font-size:15px;
  line-height:1.45;
  font-weight:650;
  margin-bottom:6px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.mini-card .date{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;}

/* ===== CTA 带 ===== */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  padding:40px;
  border-radius:8px;
  background:var(--ink);
  color:#F3F1E9;
  margin-bottom:72px;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.25;font-weight:750;margin-bottom:8px;}
.cta-band p{font-size:14px;line-height:1.7;color:#B3B0A5;max-width:36em;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--ink);
  color:#EDEAE1;
  padding-top:72px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:32px;
  padding-bottom:56px;
}
.footer-brand .logo{color:#FFFFFF;}
.footer-brand .logo-mark{background:var(--lime);color:var(--ink);}
.footer-keyword{
  display:inline-block;
  margin:16px 0 12px;
  padding:5px 12px;
  border-radius:999px;
  border:1px solid rgba(200,242,78,.4);
  color:var(--lime);
  font-size:12px;
  letter-spacing:.04em;
}
.footer-brand p{font-size:14px;line-height:1.8;color:#A8A599;max-width:30em;}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.1em;color:#8E8B80;margin-bottom:16px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:14px;color:#D7D4C8;transition:color .2s var(--ease);}
.footer-list a:hover{color:var(--lime);}
.footer-info{font-size:14px;line-height:1.8;color:#D7D4C8;}
.footer-info strong{display:block;font-size:12px;font-weight:600;letter-spacing:.08em;color:#8E8B80;margin-bottom:4px;}
.footer-info .domain{color:#F0EEE5;font-variant-numeric:tabular-nums;}
.footer-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  padding:22px 0 28px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;
  color:#8E8B80;
}
.footer-bar .bar-right{display:flex;gap:16px;flex-wrap:wrap;}

/* ===== 动效 ===== */
@media (prefers-reduced-motion: no-preference){
  .reveal{
    opacity:0;
    transform:translateY(12px);
    transition:opacity .28s var(--ease),transform .28s var(--ease);
  }
  .reveal.is-in{opacity:1;transform:none;}
}

/* ===== 断点 ===== */
@media (min-width:1200px){
  .article-wrap{grid-template-columns:minmax(0,1fr) 200px;gap:64px;}
  .toc{display:block;align-self:start;position:sticky;top:110px;}
}
@media (max-width:1024px){
  .article-wrap{padding:48px 0 56px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:900px){
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .menu-toggle{display:grid;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .nav-inner{height:64px;}
  .topbar-left .domain,.topbar-left .sep{display:none;}
  .top-link{display:none;}
  .article-facts{grid-template-columns:1fr;}
  .fact{border-right:none;border-bottom:1px solid var(--line);}
  .fact:last-child{border-bottom:none;}
  .related-grid{grid-template-columns:1fr;}
  .related{padding:48px 0;}
  .cta-band{padding:28px;margin-bottom:56px;}
  .site-footer{padding-top:56px;}
  .article-body h2{margin-top:1.8em;}
}
@media (max-width:520px){
  .btn{width:100%;}
  .article-facts{margin-top:22px;}
  .article-title{font-size:clamp(26px,7.4vw,34px);}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px;}
  .footer-bar{flex-direction:column;align-items:flex-start;padding-bottom:64px;}
  .article-foot{flex-direction:column;align-items:stretch;}
  .mini-card img{width:76px;height:58px;}
}

/* roulang page: category1 */
:root{
  --ink:#131311;
  --ink-2:#1E1E1B;
  --paper:#F7F5EF;
  --paper-2:#EFEBE2;
  --lime:#C8F24E;
  --flame:#E4512A;
  --muted:#6E6B62;
  --line:#DCD6C8;
  --white:#FFFFFF;
  --r-card:6px;
  --r-btn:4px;
  --max:1200px;
  --pad:32px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:"Inter","Space Grotesk","Helvetica Neue",Arial,sans-serif;
}

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

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

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
em{font-style:normal;}

a:focus-visible,
button:focus-visible,
summary:focus-visible{
  outline:2px solid var(--flame);
  outline-offset:2px;
  border-radius:2px;
}

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

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--ink);
  color:#EDE9DF;
  height:38px;
  overflow:hidden;
}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:14px;
  height:38px;
  font-size:13px;
  line-height:38px;
}
.topbar-domain{
  font-family:var(--font-num);
  letter-spacing:.04em;
  color:#B9B4A6;
  font-variant-numeric:tabular-nums;
}
.topbar-sep{
  width:1px;
  height:14px;
  background:#3A3A33;
  display:inline-block;
}
.topbar-tip{
  color:#EDE9DF;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.topbar-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:16px;
  flex-shrink:0;
}
.topbar-link{color:#CFCABE;transition:color .2s ease;}
.topbar-link:hover{color:var(--lime);}
.topbar-btn{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:999px;
  background:var(--lime);
  color:var(--ink);
  font-size:12px;
  font-weight:650;
  line-height:24px;
  transition:background .2s ease;
}
.topbar-btn:hover{background:#D8FA6C;}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{
  background:rgba(247,245,239,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom-color:#CFC7B4;
}
.header-inner{
  display:flex;
  align-items:center;
  gap:32px;
  height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:32px;
  height:32px;
  display:grid;
  place-items:center;
  background:var(--ink);
  color:var(--lime);
  font-family:var(--font-num);
  font-size:11px;
  font-weight:800;
  letter-spacing:.06em;
  border-radius:var(--r-btn);
}
.logo-text{
  font-size:19px;
  font-weight:750;
  letter-spacing:.01em;
  line-height:1;
}
.logo-text em{color:var(--flame);margin-left:3px;}

.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  transition:color .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  background:var(--ink);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s cubic-bezier(.22,.61,.36,1);
}
.nav-link:hover::after,
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{font-weight:700;}

.header-cta{margin-left:auto;flex-shrink:0;}

.menu-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  margin-left:auto;
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  font-size:18px;
  line-height:1;
  cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.menu-toggle:hover{background:var(--paper-2);border-color:var(--ink);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:650;
  white-space:nowrap;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .12s ease;
}
.btn .arrow{transition:transform .2s ease;}
.btn:hover .arrow{transform:translateX(4px);}
.btn:active{transform:translateY(1px);}
.btn-solid{background:var(--ink);color:var(--white);}
.btn-solid:hover{background:var(--flame);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--white);}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:#B7E23C;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}

/* ---------- 通用文本链 ---------- */
.text-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:650;
  color:var(--ink);
  padding-bottom:2px;
}
.text-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:100%;
  height:1px;
  background:var(--ink);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s cubic-bezier(.22,.61,.36,1),background .2s ease;
}
.text-link:hover{color:var(--flame);}
.text-link:hover::after{transform:scaleX(1);background:var(--flame);}
.text-link .arrow{transition:transform .2s ease;}
.text-link:hover .arrow{transform:translateX(4px);}

/* ---------- 页头 ---------- */
.page-head{
  padding:56px 0 72px;
  border-bottom:1px solid var(--line);
}
.page-head-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:56px;
  align-items:center;
}
.breadcrumb{margin-bottom:24px;}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  font-size:12px;
  color:var(--muted);
}
.breadcrumb li{display:flex;align-items:center;}
.breadcrumb li::after{
  content:"/";
  margin-left:8px;
  color:var(--line);
}
.breadcrumb li:last-child::after{content:none;}
.breadcrumb a{transition:color .2s ease;}
.breadcrumb a:hover{color:var(--flame);}

.eyebrow{
  display:inline-block;
  margin-bottom:16px;
  font-size:12px;
  font-weight:650;
  letter-spacing:.14em;
  color:var(--flame);
  text-transform:uppercase;
}
.page-head h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.14;
  font-weight:800;
  letter-spacing:-.02em;
  margin-bottom:22px;
  max-width:16em;
}
.lede{
  font-size:16px;
  line-height:1.9;
  color:#3A3A33;
  max-width:42em;
  margin-bottom:16px;
}
.lede:last-of-type{margin-bottom:30px;}

.head-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
}

.page-head-media{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  aspect-ratio:16 / 10;
  background:var(--paper-2);
}
.page-head-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-badge{
  position:absolute;
  top:14px;
  right:14px;
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:var(--lime);
  color:var(--ink);
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
}

/* ---------- 筛选胶囊 ---------- */
.filter-row{
  padding:22px 0;
  border-bottom:1px solid var(--line);
}
.filter-inner{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
}
.filter-label{
  font-size:13px;
  font-weight:650;
  color:var(--muted);
  letter-spacing:.04em;
}
.chip-list{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.chip{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:999px;
  background:var(--paper-2);
  border:1px solid transparent;
  color:var(--ink);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{border-color:var(--ink);}
.chip.is-on{background:var(--ink);color:var(--white);border-color:var(--ink);}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
.section + .section{border-top:1px solid var(--line);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:44px;
}
.section-head h2{
  font-size:clamp(24px,3vw,38px);
  line-height:1.18;
  font-weight:750;
  letter-spacing:-.01em;
  margin-bottom:12px;
}
.section-head p{
  font-size:15px;
  color:var(--muted);
  max-width:44em;
}

/* ---------- 交替图文条目 ---------- */
.entry-list{display:flex;flex-direction:column;}
.entry{
  display:grid;
  grid-template-columns:1fr 1fr;
  grid-template-areas:"body media";
  gap:52px;
  align-items:center;
  padding:52px 0;
  border-bottom:1px solid var(--line);
}
.entry:first-child{padding-top:0;}
.entry:last-child{border-bottom:0;padding-bottom:0;}
.entry:nth-child(even){grid-template-areas:"media body";}
.entry-body{grid-area:body;max-width:34em;}
.entry-media{
  grid-area:media;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  aspect-ratio:4 / 3;
  background:var(--paper-2);
}
.entry-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s cubic-bezier(.22,.61,.36,1);
}
.entry:hover .entry-media img{transform:scale(1.03);}
.entry:hover{transform:translateX(4px);}
.entry{transition:transform .28s cubic-bezier(.22,.61,.36,1);}

.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:var(--paper-2);
  color:var(--ink);
  font-size:12px;
  font-weight:650;
  letter-spacing:.04em;
  margin-bottom:16px;
}
.tag-dark{background:var(--ink);color:var(--lime);}
.tag-flame{background:#FBE4DC;color:#A8381B;}

.entry-body h3{
  font-size:20px;
  line-height:1.4;
  font-weight:650;
  margin-bottom:14px;
}
.entry-body p{
  font-size:15px;
  line-height:1.85;
  color:#3A3A33;
  margin-bottom:14px;
}
.entry-body p:last-of-type{margin-bottom:20px;}

/* ---------- 三步流程 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);
}
.step{
  padding:38px 32px 38px 0;
  border-right:1px solid var(--line);
}
.step:last-child{border-right:0;padding-right:0;}
.step:not(:first-child){padding-left:32px;}
.step-num{
  display:block;
  font-family:var(--font-num);
  font-size:46px;
  font-weight:800;
  line-height:1;
  letter-spacing:.02em;
  color:transparent;
  -webkit-text-stroke:1px #C9C2B2;
  margin-bottom:18px;
  transition:-webkit-text-stroke-color .2s ease;
}
.step:hover .step-num{-webkit-text-stroke-color:var(--flame);}
.step h3{
  font-size:18px;
  font-weight:650;
  line-height:1.4;
  margin-bottom:10px;
}
.step p{
  font-size:14px;
  line-height:1.8;
  color:var(--muted);
}

/* ---------- FAQ ---------- */
.faq-wrap{
  display:grid;
  grid-template-columns:.8fr 1.2fr;
  gap:56px;
  align-items:start;
}
.faq-aside h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.2;
  font-weight:750;
  margin-bottom:14px;
}
.faq-aside p{
  font-size:15px;
  color:var(--muted);
  line-height:1.85;
  max-width:26em;
  margin-bottom:26px;
}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:22px 0;
  font-size:16px;
  font-weight:650;
  line-height:1.5;
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  position:relative;
  flex:0 0 16px;
  width:16px;
  height:16px;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--ink);
  transition:transform .24s ease,background .24s ease;
}
.faq-icon::before{left:0;right:0;top:7px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:7px;width:2px;}
.faq-item[open] .faq-icon::after{transform:scaleY(0);}
.faq-item[open] .faq-icon::before{background:var(--flame);}
.faq-item summary:hover{color:var(--flame);}
.faq-answer{
  padding:0 0 24px;
  font-size:15px;
  line-height:1.85;
  color:#3A3A33;
  max-width:52em;
}

/* ---------- 深色 CTA 带 ---------- */
.cta-band{
  background:var(--ink);
  color:#F2EFE6;
  padding:64px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-text{max-width:44em;}
.cta-text h2{
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.25;
  font-weight:750;
  margin-bottom:12px;
}
.cta-text p{
  font-size:15px;
  line-height:1.85;
  color:#B9B4A6;
}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:#CFCABE;
  padding:72px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-brand .logo-text{color:var(--white);}
.footer-brand .logo-mark{background:var(--lime);color:var(--ink);}
.footer-keyword{
  display:inline-block;
  margin:16px 0 14px;
  padding:4px 12px;
  border:1px solid #3A3A33;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--lime);
}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:#9C978A;
  max-width:26em;
}
.footer-title{
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:#8C887C;
  margin-bottom:18px;
}
.footer-list{
  display:grid;
  gap:10px;
  font-size:14px;
}
.footer-list a{color:#CFCABE;transition:color .2s ease;}
.footer-list a:hover{color:var(--lime);}
.footer-info{
  font-size:14px;
  line-height:1.8;
  color:#9C978A;
}
.footer-info strong{
  display:block;
  font-weight:650;
  color:#CFCABE;
  margin-bottom:4px;
}
.footer-info .domain{
  font-family:var(--font-num);
  letter-spacing:.04em;
  color:#CFCABE;
  font-variant-numeric:tabular-nums;
}
.footer-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-top:56px;
  padding:22px 0 28px;
  border-top:1px solid #2C2C27;
  font-size:13px;
  color:#8C887C;
}
.bar-right{display:flex;gap:20px;flex-wrap:wrap;}

/* ---------- 动效 ---------- */
@media (prefers-reduced-motion: no-preference){
  .reveal{animation:fadeUp .28s cubic-bezier(.22,.61,.36,1) both;}
  .reveal-2{animation-delay:.06s;}
  .reveal-3{animation-delay:.12s;}
  @keyframes fadeUp{
    from{opacity:0;transform:translateY(12px);}
    to{opacity:1;transform:translateY(0);}
  }
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* ---------- 断点 ---------- */
@media (max-width:1024px){
  :root{--pad:24px;}
  .section{padding:72px 0;}
  .page-head{padding:48px 0 60px;}
  .page-head-grid{grid-template-columns:1fr;gap:36px;}
  .page-head h1{max-width:20em;}
  .entry{gap:36px;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .topbar-tip{max-width:36vw;}
}

@media (max-width:900px){
  .entry,
  .entry:nth-child(even){
    grid-template-columns:1fr;
    grid-template-areas:
      "media"
      "body";
    gap:24px;
    padding:40px 0;
  }
  .entry-body{max-width:none;}
  .entry:hover{transform:none;}
}

@media (max-width:768px){
  :root{--pad:20px;}
  .header-inner{height:64px;gap:16px;}
  .nav-links{
    position:fixed;
    top:64px;
    left:0;
    right:0;
    bottom:0;
    z-index:50;
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    margin:0;
    padding:24px 20px 40px;
    background:var(--paper);
    transform:translateX(100%);
    transition:transform .28s cubic-bezier(.22,.61,.36,1);
    overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-link{
    width:100%;
    padding:16px 0;
    font-size:20px;
    border-bottom:1px solid var(--line);
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--flame);}
  .header-cta{display:none;}
  .menu-toggle{display:inline-flex;}

  .topbar-domain,.topbar-sep{display:none;}
  .topbar-tip{max-width:none;flex:1 1 auto;}
  .topbar-link:first-of-type{display:none;}

  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .page-head{padding:36px 0 48px;}
  .page-head-media{aspect-ratio:16 / 11;}
  .page-head h1{font-size:clamp(26px,7vw,36px);}
  .lede{font-size:15px;}
  .head-actions .btn{width:100%;}

  .steps{grid-template-columns:1fr;}
  .step,
  .step:not(:first-child){
    padding:26px 0;
    border-right:0;
    border-bottom:1px solid var(--line);
  }
  .step:last-child{border-bottom:0;}
  .step-num{font-size:38px;margin-bottom:12px;}

  .cta-band{padding:44px 0;}
  .cta-inner{gap:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}

  .site-footer{padding:56px 0 60px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bar{margin-top:36px;flex-direction:column;align-items:flex-start;gap:10px;}
  .bar-right{gap:12px;}
}

@media (max-width:520px){
  .page-head-media{display:none;}
  .filter-inner{gap:10px;}
  .chip{height:32px;padding:0 14px;font-size:12px;}
  .entry-body h3{font-size:18px;}
  .btn{height:46px;padding:0 22px;}
  .faq-item summary{font-size:15px;padding:18px 0;}
  .footer-keyword{font-size:11px;}
}

/* roulang page: category2 */
:root{
  --ink:#131311;
  --ink-2:#1E1E1B;
  --paper:#F7F5EF;
  --paper-2:#EFEBE2;
  --lime:#C8F24E;
  --flame:#E4512A;
  --muted:#6E6B62;
  --line:#DCD6C8;
  --white:#FFFFFF;
  --r-card:6px;
  --r-btn:4px;
  --r-pill:999px;
  --container:1200px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:"Space Grotesk",Inter,"PingFang SC","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-cn);font-size:16px;line-height:1.85;font-weight:400;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,h4,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
:focus-visible{outline:2px solid var(--flame);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:#CFCBBD;font-size:12.5px;line-height:1.4}
.topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}
.topbar-left .domain{color:#F2EFE6;letter-spacing:.04em;font-family:var(--font-num);font-size:12.5px}
.topbar-left .sep{width:1px;height:12px;background:#45453D;flex:none}
.topbar-left .tip{color:#C4C0B3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:18px;flex:none}
.topbar-link{color:#B7B3A6;font-size:12.5px;transition:color .2s var(--ease)}
.topbar-link:hover{color:var(--lime)}
.topbar-cta{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);background:var(--lime);color:var(--ink);font-weight:650;font-size:12px;letter-spacing:.02em;transition:background .2s var(--ease)}
.topbar-cta:hover{background:#D8FF63}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:100;background:var(--paper);border-bottom:1px solid var(--line);transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease)}
.site-header.is-stuck{background:rgba(247,245,239,.92);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom-color:#C7C0AE;box-shadow:0 6px 18px rgba(19,19,17,.05)}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em;flex:none}
.logo-mark{width:34px;height:34px;border-radius:6px;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-family:var(--font-num);font-size:12px;font-weight:800;letter-spacing:.06em}
.logo-text{font-size:18px;line-height:1}
.logo-text em{font-style:normal;font-family:var(--font-num);font-size:13px;letter-spacing:.1em;color:var(--muted);margin-left:6px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;padding:9px 15px;font-size:15px;font-weight:550;color:#3E3C35;border-radius:var(--r-btn);transition:color .2s var(--ease),background .2s var(--ease)}
.nav-link::after{content:"";position:absolute;left:15px;right:15px;bottom:0;height:2px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-btn);align-items:center;justify-content:center;background:var(--paper-2)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:transform .22s var(--ease)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 按钮 ---------- */
.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:650;border:1px solid transparent;letter-spacing:.01em;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease)}
.btn .arrow{transition:transform .2s var(--ease);font-family:var(--font-num)}
.btn:hover .arrow{transform:translateX(4px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--flame)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:#D8FF63}
.btn-sm{height:38px;padding:0 18px;font-size:13.5px}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:40px}
.section-title{font-size:clamp(26px,3.4vw,42px);line-height:1.15;font-weight:750;letter-spacing:-.015em}
.section-sub{color:var(--muted);font-size:15px;margin-top:10px;max-width:36em}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:var(--r-pill);background:var(--paper-2);color:var(--ink);font-size:12.5px;font-weight:650;letter-spacing:.04em}
.eyebrow.on-dark{background:var(--lime);color:var(--ink)}
.text-link{display:inline-flex;align-items:center;gap:6px;position:relative;font-size:15px;font-weight:650;color:var(--ink);transition:color .2s var(--ease)}
.text-link::after{content:"";position:absolute;left:0;bottom:-3px;width:100%;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}
.text-link:hover{color:var(--flame)}
.text-link:hover::after{transform:scaleX(1)}
.text-link .arrow{font-family:var(--font-num);transition:transform .2s var(--ease)}
.text-link:hover .arrow{transform:translateX(4px)}

/* ---------- 分类页头 ---------- */
.page-hero{padding:64px 0 56px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);margin-bottom:22px;flex-wrap:wrap}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#B6B0A1}
.crumb a:hover{color:var(--flame)}
.page-title{font-size:clamp(32px,5vw,60px);line-height:1.08;font-weight:800;letter-spacing:-.022em;margin:16px 0 0}
.page-title .hl{position:relative;display:inline-block}
.page-title .hl::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;background:var(--lime);z-index:-1;opacity:.85}
.lede{margin-top:22px;font-size:16.5px;line-height:1.9;color:#3E3C35;max-width:42em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-media{position:relative;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--paper-2);aspect-ratio:16/9}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-badge{position:absolute;top:14px;right:14px;display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 13px;border-radius:var(--r-pill);background:var(--lime);color:var(--ink);font-size:12.5px;font-weight:700;letter-spacing:.03em}
.hero-media .media-cap{position:absolute;left:0;right:0;bottom:0;padding:14px 16px;background:linear-gradient(180deg,rgba(19,19,17,0) 0%,rgba(19,19,17,.72) 100%);color:#F2EFE6;font-size:12.5px;line-height:1.5}

/* ---------- 数据条 ---------- */
.stat-strip{border-bottom:1px solid var(--line);background:var(--paper-2)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-item{padding:28px 24px;border-right:1px solid var(--line)}
.stat-item:first-child{padding-left:0}
.stat-item:last-child{border-right:0}
.stat-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:clamp(28px,3vw,40px);font-weight:700;line-height:1;letter-spacing:-.02em}
.stat-num i{font-style:normal;font-size:.5em;font-weight:600;color:var(--muted);margin-left:4px}
.stat-label{font-size:12.5px;color:var(--muted);margin-top:10px;letter-spacing:.02em}

/* ---------- 筛选胶囊 ---------- */
.filters{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:30px 0 0}
.chip{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--paper);color:#3E3C35;font-size:13.5px;font-weight:550;letter-spacing:.01em;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:#fff}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--flame)}
.chip.is-on .dot{background:var(--lime)}

/* ---------- 图文列表 ---------- */
.entry-list{margin-top:44px}
.entry{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:38px 0}
.entry:first-child{padding-top:6px}
.entry:nth-child(3n){border-bottom:1px solid var(--line);padding-bottom:52px}
.entry-media{position:relative;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;aspect-ratio:16/10;background:var(--paper-2)}
.entry-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.entry:hover .entry-media img{transform:scale(1.03)}
.entry:nth-child(even) .entry-media{order:2}
.entry-body{max-width:34em}
.entry-tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);background:var(--paper-2);font-size:12px;font-weight:650;letter-spacing:.05em;color:#3E3C35}
.entry-title{margin-top:14px;font-size:clamp(20px,2.2vw,26px);line-height:1.4;font-weight:700;letter-spacing:-.01em}
.entry-text{margin-top:12px;color:#43413A;font-size:15.5px;line-height:1.85}
.entry-text+.entry-text{margin-top:10px;color:var(--muted);font-size:14.5px}
.entry-foot{margin-top:18px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.entry-meta{font-size:12.5px;color:var(--muted);font-family:var(--font-num);letter-spacing:.04em}

/* ---------- 深色快讯面板 ---------- */
.brief{background:var(--ink);color:#EDEAE1;border-radius:var(--r-card);padding:48px}
.brief-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px}
.brief-title{font-size:clamp(24px,2.8vw,34px);line-height:1.2;font-weight:750;color:#fff;letter-spacing:-.015em;margin-top:16px}
.brief-desc{margin-top:16px;color:#A8A499;font-size:14.5px;line-height:1.85;max-width:26em}
.brief-list{margin-top:4px}
.brief-item{display:grid;grid-template-columns:74px 1fr;gap:18px;padding:18px 0;border-top:1px solid rgba(255,255,255,.12)}
.brief-item:first-child{border-top:0;padding-top:0}
.brief-time{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:13.5px;font-weight:650;color:var(--lime);letter-spacing:.04em}
.brief-main strong{display:block;font-size:15.5px;font-weight:650;color:#fff;line-height:1.5}
.brief-main span{display:block;margin-top:6px;font-size:13.5px;color:#A8A499;line-height:1.75}
.brief-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--flame);margin-right:8px;vertical-align:middle;transform:translateY(-1px)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start}
.faq-side .section-title{font-size:clamp(24px,2.8vw,34px)}
.faq-side p{margin-top:14px;color:var(--muted);font-size:15px;max-width:24em}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0;font-size:16px;font-weight:650;line-height:1.6;cursor:pointer;transition:color .2s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-family:var(--font-num);font-size:20px;font-weight:600;color:var(--ink);line-height:1;flex:none;transition:transform .24s var(--ease),color .2s var(--ease)}
.faq-item[open] summary{color:var(--flame)}
.faq-item[open] summary::after{content:"−";color:var(--flame);transform:rotate(180deg)}
.faq-item summary:hover{color:var(--flame)}
.faq-answer{padding:0 44px 24px 0;font-size:15px;line-height:1.85;color:#43413A;animation:fadeIn .24s var(--ease)}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---------- 深色 CTA 带 ---------- */
.cta-band{background:var(--ink);border-radius:var(--r-card);padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:750;color:#fff;letter-spacing:-.012em}
.cta-band p{margin-top:10px;color:#A8A499;font-size:14.5px;max-width:34em}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B7B3A6;padding:64px 0 24px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12)}
.site-footer .logo-mark{background:var(--lime);color:var(--ink)}
.site-footer .logo-text{color:#fff}
.site-footer .logo-text em{color:#8E8A7E}
.footer-keyword{display:inline-block;margin-top:16px;font-size:12.5px;letter-spacing:.05em;color:var(--lime);font-weight:650}
.footer-brand p{margin-top:14px;font-size:13.5px;line-height:1.8;color:#9A968A;max-width:24em}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:#fff;margin-bottom:16px}
.footer-list li+li{margin-top:10px}
.footer-list a{font-size:13.5px;color:#A8A499;transition:color .2s var(--ease)}
.footer-list a:hover{color:var(--lime)}
.footer-info{font-size:13px;line-height:1.8;color:#9A968A}
.footer-info strong{display:block;color:#E8E5DA;font-size:13px;font-weight:650;margin-bottom:4px}
.footer-info .domain{font-family:var(--font-num);color:#E8E5DA;letter-spacing:.04em}
.footer-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:22px;font-size:12.5px;color:#8E8A7E;flex-wrap:wrap}
.footer-bar .bar-right{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.footer-bar .bar-right span:first-child{font-family:var(--font-num);letter-spacing:.04em}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity .28s var(--ease),transform .28s var(--ease)}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{order:2;aspect-ratio:16/9}
  .brief-grid{grid-template-columns:.9fr 1.1fr;gap:36px}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item{padding:24px 20px;border-bottom:1px solid var(--line)}
  .stat-item:nth-child(2n){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){padding-top:26px}
  .stat-item:nth-child(3),.stat-item:nth-child(4){border-bottom:0}
  .stat-item:first-child{padding-left:20px}
}
@media (max-width:900px){
  .nav-links{position:fixed;inset:0;flex-direction:column;align-items:stretch;justify-content:center;gap:6px;background:var(--paper);padding:96px 24px 48px;transform:translateX(100%);transition:transform .3s var(--ease);z-index:95;overflow-y:auto}
  .nav-links.is-open{transform:translateX(0)}
  .nav-link{font-size:20px;font-weight:650;padding:16px 4px;border-bottom:1px solid var(--line);border-radius:0}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--flame)}
  .nav-toggle{display:flex;z-index:96}
  .header-inner{height:64px}
  .header-actions .btn-primary{display:none}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:60px 0}
  .page-hero{padding:44px 0 40px}
  .topbar-left .domain,.topbar-left .sep{display:none}
  .topbar-right .topbar-link{display:none}
  .entry{grid-template-columns:1fr;gap:22px;padding:30px 0}
  .entry:nth-child(even) .entry-media{order:0}
  .entry:nth-child(3n){padding-bottom:38px}
  .brief{padding:30px 22px}
  .brief-grid{grid-template-columns:1fr;gap:26px}
  .cta-band{padding:32px 24px}
  .cta-band .cta-actions{width:100%}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
  .site-footer{padding-bottom:60px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .hero-actions .btn{width:100%}
}
@media (max-width:520px){
  .stat-grid{grid-template-columns:1fr}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);padding:20px 0}
  .stat-item:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bar{flex-direction:column;align-items:flex-start;gap:10px}
  .faq-answer{padding-right:0}
  .entry-meta{width:100%}
}