/* roulang page: index */
:root{
  --brand:#FF6A13;
  --brand-deep:#C93F0A;
  --brand-soft:#FFF1E8;
  --accent:#C8F135;
  --ink:#1B1D22;
  --ink-2:#5B6068;
  --ink-3:#8A9099;
  --night:#14161A;
  --night-2:#22252B;
  --bg:#F6F4F0;
  --surface:#FFFFFF;
  --line:#E6E2DB;
  --ok:#1E7A62;
  --warn:#B7791F;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --sh-card:0 1px 2px rgba(20,22,26,.04), 0 8px 24px rgba(20,22,26,.06);
  --sh-hover:0 2px 4px rgba(20,22,26,.05), 0 16px 36px rgba(20,22,26,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --pad-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
.section{padding:var(--pad-y) 0}
.section--surface{background:var(--surface)}
.section-head{margin-bottom:44px;max-width:760px}
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);
  font-weight:700;font-variant-numeric:tabular-nums;
}
.kicker::before{content:"";width:26px;height:2px;background:var(--brand);display:inline-block}
.h2{font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.2;letter-spacing:-.01em;margin-top:12px}
.section-sub{margin-top:14px;font-size:15px;color:var(--ink-2);max-width:660px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(20,22,26,.04),0 8px 24px rgba(255,106,19,.22)}
.btn-primary:hover{background:var(--brand-deep);box-shadow:0 2px 4px rgba(20,22,26,.05),0 16px 36px rgba(201,63,10,.26);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);background:var(--surface)}
.btn-dark{background:var(--night);color:#fff}
.btn-dark:hover{background:var(--night-2);transform:translateY(-1px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.btn-link{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--brand-deep);
  background:none;border:0;padding:6px 0;cursor:pointer;
}
.btn-link .arw{transition:transform .22s var(--ease)}
.btn-link:hover .arw{transform:translateX(4px)}
.btn-link span.txt{
  text-decoration:underline;text-decoration-style:dashed;text-decoration-thickness:1px;text-underline-offset:3px;
}
.btn-link:hover span.txt{text-decoration-style:solid}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;
  background:var(--brand-soft);color:var(--brand-deep);line-height:1.6;
}
.badge--line{background:transparent;border:1px solid var(--line);color:var(--ink-2)}
.tag-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:8px;background:var(--night);color:#fff;
  font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
}

/* ============ 顶部倒计时条 ============ */
.ticker{background:var(--night);color:#fff}
.ticker-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:48px;padding-top:6px;padding-bottom:6px;
}
.ticker-left{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.ticker-label{font-size:13px;color:#B9BDC4;letter-spacing:.02em}
.clock{display:flex;align-items:flex-start;gap:12px}
.clock-unit{display:flex;flex-direction:column;align-items:center;min-width:34px}
.clock-unit b{
  font-size:20px;font-weight:800;color:var(--accent);line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.clock-unit i{font-style:normal;font-size:11px;color:#8B9099;margin-top:2px}
.ticker-btn{
  display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;
  border:1px solid rgba(255,255,255,.34);color:#fff;font-size:13px;font-weight:600;
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.ticker-btn:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(246,244,240,.94);
  border-bottom:1px solid transparent;transition:background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(20,22,26,.06)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{
  width:40px;height:40px;border-radius:10px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
  letter-spacing:.02em;box-shadow:0 6px 16px rgba(255,106,19,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text strong{font-size:17px;font-weight:800;letter-spacing:-.01em}
.logo-text em{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.08em;margin-top:3px}
.nav-chips{display:flex;align-items:center;gap:6px;margin-left:auto}
.chip{
  padding:8px 15px;border-radius:999px;font-size:14px;color:var(--ink-2);
  border:1px solid transparent;font-weight:600;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.chip:hover{border-color:var(--line);color:var(--ink);background:var(--surface)}
.chip.is-active{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand)}
.header-actions{display:flex;align-items:center;gap:16px;padding-left:16px;border-left:1px solid var(--line);flex-shrink:0}
.burger{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;cursor:pointer;
}
.burger span{display:block;width:16px;height:2px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink)}
.burger span::before{top:-5px}
.burger span::after{top:5px}

.mobile-panel{
  position:fixed;inset:0;z-index:120;background:#fff;padding:20px 16px 28px;
  display:flex;flex-direction:column;gap:22px;
  transform:translateY(-102%);transition:transform .3s var(--ease);overflow-y:auto;
}
.mobile-panel.is-open{transform:translateY(0)}
.mobile-panel-head{display:flex;align-items:center;justify-content:space-between}
.panel-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--surface);
  font-size:20px;line-height:1;cursor:pointer;color:var(--ink-2);
}
.mobile-nav{display:flex;flex-direction:column}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 4px;font-size:17px;font-weight:600;border-bottom:1px solid var(--line);
}
.mobile-nav a::after{content:"›";color:var(--ink-3);font-size:20px}
.mobile-nav a.is-active{color:var(--brand-deep)}
.mobile-cta{width:100%}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:80px 0 88px}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(-45deg,rgba(27,29,34,.045) 0 1px,transparent 1px 11px);
}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(30px,4.6vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.01em;margin-top:16px}
.hero h1 mark{background:linear-gradient(transparent 62%,rgba(200,241,53,.6) 62%);color:inherit;padding:0 2px}
.hero-sub{margin-top:20px;font-size:17px;color:var(--ink-2);max-width:520px}
.hero-actions{display:flex;align-items:center;gap:24px;margin-top:32px;flex-wrap:wrap}
.hero-stats{display:flex;gap:44px;margin-top:44px;flex-wrap:wrap}
.stat b{display:block;font-size:28px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.01em;line-height:1.2}
.stat span{display:block;font-size:12px;color:var(--ink-3);margin-top:6px}
.hero-media{position:relative;padding-bottom:32px;padding-right:20px}
.hero-media .main-img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;
  box-shadow:0 2px 4px rgba(20,22,26,.05),0 24px 48px rgba(20,22,26,.14);
}
.hero-media .sub-img{
  position:absolute;right:-6px;bottom:-22px;width:44%;aspect-ratio:12/10;object-fit:cover;
  border:6px solid #fff;border-radius:16px;transform:rotate(-2deg);
  box-shadow:0 12px 32px rgba(20,22,26,.16);
}

/* ============ 卖点横排 ============ */
.points-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.point{border-top:2px solid var(--ink);padding-top:20px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.point .num{
  font-size:32px;font-weight:800;color:var(--ink-3);font-variant-numeric:tabular-nums;
  letter-spacing:.02em;line-height:1;
}
.point .ico{color:var(--brand);margin:16px 0 10px}
.point h3{font-size:18px;font-weight:700;margin-bottom:8px}
.point p{font-size:14px;color:var(--ink-2);line-height:1.7}

/* ============ 图墙 ============ */
.wall{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.wall-item{position:relative;overflow:hidden;border-radius:var(--r-card);background:var(--night-2)}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease)}
.wall-a{grid-column:span 8;aspect-ratio:16/9}
.wall-b{grid-column:span 4;aspect-ratio:3/4}
.wall-c{grid-column:span 4;aspect-ratio:4/3}
.wall-tag{
  position:absolute;right:12px;bottom:12px;padding:5px 10px;border-radius:6px;
  background:rgba(20,22,26,.72);color:#fff;font-size:12px;font-weight:600;
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.wall-item::after{
  content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(20,22,26,.42),transparent 55%);
  opacity:.7;transition:opacity .22s var(--ease);
}
.wall-item:hover img{transform:scale(1.04)}
.wall-item:hover::after{opacity:1}
.wall-item:hover .wall-tag{transform:translateY(-2px);background:rgba(20,22,26,.86)}
.wall-more{display:flex;justify-content:flex-end;margin-top:26px}

/* ============ 最新信息 ============ */
.news-layout{display:grid;grid-template-columns:8fr 4fr;gap:48px;align-items:start}
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}
.news-thumb{display:block;width:120px;height:84px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);flex-shrink:0}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease)}
.news-body{min-width:0}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap}
.news-time{font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.news-title{
  display:block;font-size:18px;font-weight:700;line-height:1.45;transition:color .22s var(--ease);
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.news-sum{
  margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.65;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.news-item:hover .news-title{color:var(--brand-deep)}
.news-item:hover .news-thumb img{transform:scale(1.04)}
.pager{display:flex;justify-content:center;gap:8px;margin-top:32px}
.pager a,.pager span{
  min-width:38px;height:38px;padding:0 12px;border-radius:999px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;color:var(--ink-2);
  background:var(--surface);transition:all .22s var(--ease);
}
.pager a:hover{border-color:var(--brand);color:var(--brand-deep)}
.pager .is-current{background:var(--brand);border-color:var(--brand);color:#fff}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);padding:56px 24px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:14px;background:var(--surface);
}
.empty-state svg{color:var(--ink-3)}
.empty-state p{font-size:14px;color:var(--ink-2)}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-card);margin-bottom:20px;
}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:16px;background:var(--brand);border-radius:2px}
.side-list li{padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--ink-2);display:flex;gap:10px}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list .idx{color:var(--brand);font-weight:800;font-variant-numeric:tabular-nums;font-size:13px}
.side-links{display:flex;flex-wrap:wrap;gap:8px}
.side-links a{
  padding:7px 13px;border-radius:999px;background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:600;transition:background .22s var(--ease),color .22s var(--ease);
}
.side-links a:hover{background:var(--brand);color:#fff}

/* ============ 数据 / 认同 ============ */
.proof{background:var(--night);color:#fff}
.proof .h2{color:#fff}
.proof .section-sub{color:#9DA2AA}
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:12px}
.proof-card{background:var(--night-2);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-card);padding:26px}
.proof-card b{display:block;font-size:34px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.15}
.proof-card span{display:block;font-size:13px;color:#9DA2AA;margin-top:10px}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.quote{
  background:rgba(255,255,255,.04);border-left:3px solid var(--brand);border-radius:0 var(--r-card) var(--r-card) 0;
  padding:22px 24px;
}
.quote p{font-size:15px;line-height:1.8;color:#DCDFE4}
.quote footer{margin-top:14px;font-size:12px;color:#8B9099}

/* ============ CTA ============ */
.cta-band{
  background:var(--brand);border-radius:20px;padding:48px;
  display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center;color:#fff;
}
.cta-band h2{font-size:clamp(24px,2.8vw,34px);font-weight:800;line-height:1.2}
.cta-band .lead{margin-top:14px;font-size:15px;color:rgba(255,255,255,.92);max-width:440px}
.check-list{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600}
.check-list svg{flex-shrink:0}
.form-card{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);border-radius:var(--r-card);padding:24px}
.form-field{margin-bottom:14px}
.form-field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:rgba(255,255,255,.94)}
.form-field input,.form-field select{
  width:100%;padding:14px;border-radius:var(--r-input);border:0;background:#fff;color:var(--ink);font-size:14px;
  transition:box-shadow .2s var(--ease);
}
.form-field input::placeholder{color:var(--ink-3)}
.form-field input:focus,.form-field select:focus{
  outline:2px solid var(--ink);outline-offset:0;box-shadow:0 0 0 5px rgba(200,241,53,.75);
}
.form-note{font-size:12px;color:rgba(255,255,255,.86);margin-top:12px;line-height:1.7}
.form-msg{margin-top:12px;font-size:13px;font-weight:600;color:#fff;min-height:20px}

/* ============ FAQ ============ */
.faq-wrap{max-width:840px;margin:0 auto}
.faq-list{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:62px;padding:16px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--brand-deep)}
.faq-icon{position:relative;width:18px;height:18px;flex-shrink:0;transition:transform .24s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink-3);transition:background .24s var(--ease)}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a p{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:720px}

/* ============ 页脚 ============ */
.site-footer{background:var(--night);color:#C9CCD1;padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text em{color:#8B9099}
.footer-brand p{margin-top:16px;font-size:13px;line-height:1.8;color:#8B9099;max-width:280px}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;color:#C9CCD1;
  transition:border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
}
.socials a:hover{border-color:var(--brand);color:var(--brand);background:rgba(255,106,19,.08)}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{font-size:14px;color:#C9CCD1;transition:color .22s var(--ease)}
.footer-col ul a:hover{color:var(--brand)}
.footer-note{font-size:13px;line-height:1.85;color:#8B9099;margin-bottom:14px}
.footer-bar{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bar p{font-size:12px;color:#8B9099}
.footer-bar .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--ok);margin-right:6px;vertical-align:middle}

.to-top{
  position:fixed;right:20px;bottom:24px;z-index:70;width:44px;height:44px;border-radius:12px;
  background:var(--night);color:#fff;border:0;cursor:pointer;display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
  box-shadow:0 12px 28px rgba(20,22,26,.24);
}
.to-top.is-on{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand-deep)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--pad-y:80px}
  .hero-grid{gap:40px}
  .proof-grid{grid-template-columns:repeat(3,1fr)}
  .quote-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  :root{--pad-y:64px}
  .nav-chips{display:none}
  .burger{display:flex}
  .header-actions{border-left:0;padding-left:0;margin-left:auto}
  .hero{padding:56px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-media{padding-right:0;padding-bottom:44px}
  .hero-media .sub-img{right:8px;bottom:0;width:42%}
  .points-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .wall-a{grid-column:span 12;aspect-ratio:16/9}
  .wall-b{grid-column:span 6;aspect-ratio:3/4}
  .wall-c{grid-column:span 6;aspect-ratio:4/3}
  .news-layout{grid-template-columns:1fr;gap:36px}
  .proof-grid{grid-template-columns:repeat(2,1fr)}
  .quote-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;gap:32px;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--pad-y:52px}
  .ticker-inner{flex-direction:column;align-items:flex-start;gap:8px;padding-top:10px;padding-bottom:10px}
  .clock{gap:10px}
  .clock-unit b{font-size:18px}
  .header-inner{height:64px;gap:12px}
  .header-actions .btn{display:none}
  .hero-stats{gap:28px}
  .stat b{font-size:24px}
  .wall-b,.wall-c{grid-column:span 12;aspect-ratio:4/3}
  .news-item{grid-template-columns:96px 1fr;gap:14px}
  .news-thumb{width:96px;height:70px}
  .footer-grid{grid-template-columns:1fr}
  .to-top{right:14px;bottom:16px}
}
@media (max-width:519px){
  .points-grid{grid-template-columns:1fr}
  .proof-grid{grid-template-columns:1fr}
  .hero-actions{gap:16px}
  .hero-actions .btn{width:100%}
  .btn-link{padding:8px 0}
  .footer-bar{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --brand:#FF6A13;
  --brand-deep:#C93F0A;
  --brand-soft:#FFF1E8;
  --accent:#C8F135;
  --ink:#1B1D22;
  --ink-2:#5B6068;
  --ink-3:#8A9099;
  --night:#14161A;
  --night-2:#22252B;
  --bg:#F6F4F0;
  --surface:#FFFFFF;
  --line:#E6E2DB;
  --ok:#1E7A62;
  --warn:#B7791F;
  --r-card:16px;
  --r-img:12px;
  --r-wide:20px;
  --r-btn:10px;
  --r-chip:999px;
  --sh-1:0 1px 2px rgba(20,22,26,.04), 0 8px 24px rgba(20,22,26,.06);
  --sh-2:0 2px 4px rgba(20,22,26,.05), 0 16px 36px rgba(20,22,26,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1200px){.container{padding:0 32px}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* 顶部倒计时条 */
.topbar{background:var(--night);color:#fff}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px;padding:8px 0;flex-wrap:wrap}
.topbar__left{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.topbar__label{font-size:13px;color:#C9CCD1}
.topbar__label b{color:#fff;font-weight:700}
.timers{display:flex;gap:12px}
.timer{display:flex;flex-direction:column;align-items:center;min-width:34px}
.timer b{font-size:20px;font-weight:800;line-height:1.1;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.02em;transition:transform .2s var(--ease)}
.timer span{font-size:11px;color:#8A9099}
.topbar__cta{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid rgba(255,255,255,.42);color:#fff;border-radius:var(--r-btn);
  font-size:13px;padding:6px 12px;transition:background .22s var(--ease),border-color .22s var(--ease);
}
.topbar__cta:hover{background:rgba(255,255,255,.12);border-color:#fff}
@media (max-width:767px){
  .topbar__inner{min-height:56px;padding:6px 0;gap:8px}
  .topbar__cta span{display:none}
}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,240,.94);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{background:rgba(255,255,255,.98);border-bottom-color:var(--line);box-shadow:0 1px 2px rgba(20,22,26,.04),0 10px 26px rgba(20,22,26,.07)}
.header__inner{display:flex;align-items:center;gap:20px;min-height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;flex:0 0 auto;border-radius:10px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:15px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 6px 14px rgba(255,106,19,.32);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:17px;font-weight:800;letter-spacing:.01em}
.logo-text small{font-size:11px;color:var(--ink-3);letter-spacing:.02em}
.nav-chips{display:none}
@media (min-width:992px){
  .nav-chips{display:flex;align-items:center;gap:6px;flex:1 1 auto;overflow-x:auto;padding:4px 0}
  .nav-chips::-webkit-scrollbar{height:0}
}
.chip{
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
  padding:8px 14px;border-radius:var(--r-chip);font-size:14px;color:var(--ink-2);
  border:1px solid transparent;transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.chip:hover{border-color:var(--line);color:var(--ink);background:var(--surface)}
.chip.is-active{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand);font-weight:700}
.chip--tag{background:var(--brand-soft);color:var(--brand-deep);border-color:transparent;font-size:12px;padding:5px 12px;font-weight:700}
.header__actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.header__divider{display:none;width:1px;height:24px;background:var(--line)}
@media (min-width:992px){.header__divider{display:block}}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:var(--surface);
}
.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}
@media (min-width:992px){.nav-toggle{display:none}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-btn);font-size:15px;font-weight:700;
  transition:background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease),transform .16s var(--ease),border-color .22s var(--ease);
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(255,106,19,.28)}
.btn--primary:hover{background:var(--brand-deep);box-shadow:0 12px 26px rgba(201,63,10,.32)}
.btn--primary:active{transform:translateY(1px)}
.btn--night{background:var(--night);color:#fff}
.btn--night:hover{background:#000;box-shadow:0 10px 24px rgba(20,22,26,.28)}
.btn--ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn--ghost:hover{border-color:var(--ink);background:var(--surface)}
.btn--text{padding:11px 4px;color:var(--brand-deep);background:none}
.btn--text svg{transition:transform .22s var(--ease)}
.btn--text:hover svg{transform:translateX(4px)}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

/* 移动端面板 */
.mobile-panel{
  position:fixed;inset:0;z-index:80;background:var(--surface);
  display:flex;flex-direction:column;padding:20px 16px 24px;overflow-y:auto;
}
.mobile-panel[hidden]{display:none}
.mobile-panel__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.mobile-panel__close{width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);display:grid;place-items:center;font-size:20px;line-height:1;color:var(--ink)}
.mobile-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px;font-size:17px;font-weight:600;border-bottom:1px solid var(--line);
}
.mobile-nav a span{color:var(--ink-3);font-weight:400}
.mobile-nav a.is-active{color:var(--brand-deep)}
.mobile-panel__foot{margin-top:auto;padding-top:24px}

/* 页头 */
.page-head{position:relative;background:var(--surface);border-bottom:1px solid var(--line);padding:26px 0 32px;overflow:hidden}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(20,22,26,.035) 0 2px,transparent 2px 10px);
}
.page-head .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:12px;color:var(--ink-2);margin-bottom:18px}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand-deep)}
.breadcrumb .sep{color:var(--ink-3)}
.breadcrumb .current{color:var(--ink-3);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{max-width:860px}
.article-head h1{font-size:clamp(28px,4vw,46px);line-height:1.2;margin:14px 0 0;font-weight:800}
.eyebrow{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-3);letter-spacing:.06em;text-transform:uppercase;font-variant-numeric:tabular-nums}
.article-meta{
  display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:20px;padding:12px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.article-meta b{color:var(--ink-2);font-weight:600}

/* 封面 */
.article-cover-wrap{padding:36px 0 0}
.article-cover{border-radius:var(--r-wide);overflow:hidden;border:1px solid var(--line);background:var(--surface)}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}
@media (max-width:767px){.article-cover img{aspect-ratio:16/10}}

/* 正文布局 */
.article-layout{display:grid;grid-template-columns:1fr;gap:40px;padding-top:44px;padding-bottom:72px}
@media (min-width:992px){
  .article-layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px}
}
.article-body{min-width:0}
.prose{max-width:740px;font-size:17px;line-height:1.9;color:var(--ink)}
.prose > * + *{margin-top:1.2em}
.prose h2{
  font-size:clamp(20px,2.4vw,26px);line-height:1.35;margin-top:1.9em;
  padding-left:14px;position:relative;
}
.prose h2::before{content:"";position:absolute;left:0;top:.24em;width:4px;height:20px;border-radius:2px;background:var(--brand)}
.prose h3{font-size:20px;line-height:1.4;margin-top:1.6em}
.prose h4{font-size:17px;margin-top:1.4em}
.prose p{margin-top:1.2em}
.prose ul{padding-left:1.25em;list-style:disc}
.prose ul li{margin-top:.5em}
.prose ol{counter-reset:num;padding-left:0}
.prose ol > li{counter-increment:num;position:relative;padding-left:46px;margin-top:.9em;min-height:32px}
.prose ol > li::before{
  content:counter(num,decimal-leading-zero);position:absolute;left:0;top:1px;
  width:32px;height:32px;display:grid;place-items:center;border-radius:8px;
  background:var(--night);color:#fff;font-size:12px;font-weight:800;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.prose blockquote{
  margin:1.6em 0;padding:16px 20px;border-left:3px solid var(--brand);
  background:var(--brand-soft);border-radius:0 12px 12px 0;color:var(--ink-2);font-size:16px;
}
.prose img{border-radius:var(--r-img);margin:1.6em auto;max-width:100%;height:auto}
.prose a{color:var(--brand-deep);text-decoration-line:underline;text-decoration-style:dashed;text-underline-offset:3px}
.prose a:hover{text-decoration-style:solid}
.prose table{width:100%;border-collapse:collapse;font-size:15px;background:var(--surface);border-radius:12px;overflow:hidden}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.prose th{background:var(--bg);font-weight:700}
.prose code{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:14px}
.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* 空态 */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:64px 24px;background:var(--surface);
  border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state svg{color:var(--ink-3)}
.empty-state p{color:var(--ink-2);font-size:15px}

/* 侧栏 */
.article-side{display:flex;flex-direction:column;gap:20px;min-width:0}
@media (min-width:992px){.article-side{position:sticky;top:96px;align-self:start}}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1)}
.side-card__title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:800;margin-bottom:14px}
.side-card__title i{width:6px;height:6px;border-radius:2px;background:var(--brand);display:block}
.side-list{display:flex;flex-direction:column}
.side-list li + li{border-top:1px solid var(--line)}
.side-list a{display:block;padding:12px 0;font-size:14px;color:var(--ink-2);line-height:1.6;transition:color .2s var(--ease),transform .2s var(--ease)}
.side-list a:hover{color:var(--brand-deep);transform:translateX(3px)}
.side-chips{display:flex;flex-wrap:wrap;gap:8px}
.side-chips .chip{font-size:13px;padding:6px 12px}
.side-note{font-size:12px;color:var(--ink-3);margin-top:12px;line-height:1.7}

/* 相关推荐 */
.related{padding:64px 0;background:var(--surface);border-top:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-head__no{font-size:12px;color:var(--ink-3);letter-spacing:.14em;font-variant-numeric:tabular-nums;text-transform:uppercase}
.section-head h2{font-size:clamp(22px,2.6vw,30px);margin-top:6px}
.related-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:992px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DAD5CC}
.card__thumb{overflow:hidden;aspect-ratio:4/3;background:var(--bg)}
.card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card:hover .card__thumb img{transform:scale(1.04)}
.card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.card h3{font-size:18px;line-height:1.45;font-weight:700;transition:color .22s var(--ease)}
.card:hover h3{color:var(--brand-deep)}
.card p{font-size:14px;color:var(--ink-2);line-height:1.7}
.card__more{margin-top:auto;font-size:13px;font-weight:700;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px}
.card__more svg{transition:transform .22s var(--ease)}
.card:hover .card__more svg{transform:translateX(4px)}

/* 返回入口 */
.back-row{padding:28px 0 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.back-row__links{display:flex;flex-wrap:wrap;gap:12px}

/* CTA 通栏 */
.cta-band{padding:72px 0}
.cta-inner{
  background:var(--brand);border-radius:var(--r-wide);padding:40px 28px;color:#fff;
  display:grid;grid-template-columns:1fr;gap:32px;
  box-shadow:0 20px 44px rgba(255,106,19,.24);
}
@media (min-width:992px){.cta-inner{grid-template-columns:1fr 1fr;gap:48px;padding:52px 48px}}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.8vw,32px);line-height:1.25}
.cta-inner p.lead{margin-top:12px;font-size:15px;color:rgba(255,255,255,.9)}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:#fff}
.cta-points svg{flex:0 0 auto;margin-top:3px}
.cta-form{display:grid;grid-template-columns:1fr;gap:14px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.32);border-radius:var(--r-card);padding:22px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;color:#fff}
.field input,.field select{
  width:100%;background:#fff;color:var(--ink);border:1px solid transparent;border-radius:var(--r-btn);
  padding:13px 14px;font-size:15px;transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.field input::placeholder{color:var(--ink-3)}
.field input:focus,.field select:focus{border-color:var(--ink);outline:none;box-shadow:0 0 0 3px var(--accent)}
.cta-form .btn--night{margin-top:4px}
.form-hint{font-size:12px;color:rgba(255,255,255,.82)}

/* 页脚 */
.site-footer{background:var(--night);color:#C9CCD1;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .logo-mark{background:var(--brand);color:#fff}
.footer-brand strong{font-size:17px;color:#fff;font-weight:800;display:block;line-height:1.2}
.footer-brand small{font-size:11px;color:#8A9099;letter-spacing:.02em}
.footer-desc{margin-top:16px;font-size:13px;line-height:1.8;color:#9BA0A8;max-width:34ch}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  display:grid;place-items:center;color:#C9CCD1;transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.footer-social a:hover{color:var(--brand);border-color:var(--brand);background:rgba(255,106,19,.12)}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#C9CCD1;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-note{font-size:13px;line-height:1.8;color:#9BA0A8}
.footer-note + .footer-note{margin-top:10px}
.footer-note b{color:#E3E5E8;font-weight:600}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:12px;color:#8A9099;
}
@media (max-width:767px){
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  .btn{width:100%}
  .back-row__links{width:100%}
  .back-row__links .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --brand:#FF6A13;
  --brand-deep:#C93F0A;
  --brand-soft:#FFF1E8;
  --accent:#C8F135;
  --ink:#1B1D22;
  --ink-2:#5B6068;
  --ink-3:#8A9099;
  --night:#14161A;
  --night-2:#22252B;
  --bg:#F6F4F0;
  --surface:#FFFFFF;
  --line:#E6E2DB;
  --ok:#1E7A62;
  --warn:#B7791F;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(20,22,26,.04),0 8px 24px rgba(20,22,26,.06);
  --sh-2:0 2px 4px rgba(20,22,26,.05),0 16px 36px rgba(20,22,26,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --s4:4px;--s8:8px;--s12:12px;--s16:16px;--s24:24px;--s32:32px;--s48:48px;--s64:64px;--s96:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{
  outline:3px solid var(--accent);
  outline-offset:2px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.num{font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:.02em;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,244,240,.92);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  backdrop-filter:saturate(1.4) blur(6px);
}
.site-header.is-stuck{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px rgba(20,22,26,.07);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:var(--s24);
  height:76px;
}
.logo{
  display:flex;
  align-items:center;
  gap:var(--s12);
  flex:0 0 auto;
}
.logo-mark{
  width:42px;height:42px;
  border-radius:11px;
  background:var(--night);
  color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;
  letter-spacing:.02em;
  box-shadow:inset 0 -3px 0 var(--brand);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
.logo-text em{
  font-style:normal;
  font-size:11px;
  color:var(--ink-3);
  letter-spacing:.08em;
  margin-top:2px;
}
.nav-chips{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1 1 auto;
  min-width:0;
  flex-wrap:nowrap;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  white-space:nowrap;
  padding:9px 16px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:600;
  color:var(--ink-2);
  background:transparent;
  border:1px solid transparent;
  transition:all .2s var(--ease);
}
.chip:hover{color:var(--ink);border-color:var(--line);background:rgba(255,255,255,.7);}
.chip.is-active{
  background:var(--brand-soft);
  color:var(--brand-deep);
  border-color:var(--brand);
}
.header-right{
  display:flex;
  align-items:center;
  gap:var(--s16);
  flex:0 0 auto;
}
.header-sep{width:1px;height:26px;background:var(--line);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  transition:all .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 6px 16px rgba(255,106,19,.26);
}
.btn-primary:hover{background:var(--brand-deep);box-shadow:0 10px 24px rgba(201,63,10,.32);}
.btn-primary:active{transform:translateY(1px);}
.btn-dark{
  background:var(--night);
  color:#fff;
}
.btn-dark:hover{background:var(--night-2);box-shadow:0 10px 24px rgba(20,22,26,.24);}
.btn-dark:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--line);
}
.btn-ghost:hover{border-color:var(--ink);background:#fff;}
.btn-link{
  background:none;
  padding:11px 0;
  color:var(--brand-deep);
  font-weight:700;
}
.btn-link .arrow{transition:transform .22s var(--ease);display:inline-block;}
.btn-link:hover .arrow{transform:translateX(4px);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;box-shadow:none;cursor:not-allowed;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:11px;
  border:1px solid var(--line);
  background:#fff;
  align-items:center;justify-content:center;
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .22s var(--ease),top .22s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-panel{
  display:none;
  position:fixed;
  inset:76px 0 0 0;
  z-index:55;
  background:var(--bg);
  border-top:1px solid var(--line);
  padding:var(--s16) 0 var(--s24);
  overflow-y:auto;
}
.mobile-panel.is-open{display:block;}
.mobile-panel .mobile-list{padding:0 20px;}
.mobile-panel .mobile-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 4px;
  border-bottom:1px solid var(--line);
  font-size:16px;
  font-weight:600;
  color:var(--ink);
}
.mobile-panel .mobile-list a.is-active{color:var(--brand-deep);}
.mobile-panel .mobile-list a::after{content:"›";color:var(--ink-3);font-size:20px;line-height:1;}
.mobile-panel .mobile-cta{padding:var(--s24) 20px 0;}
.mobile-panel .mobile-cta .btn{width:100%;}

/* ============ 页面头 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background-color:var(--bg);
  background-image:
    repeating-linear-gradient(135deg,rgba(20,22,26,.04) 0 1px,transparent 1px 9px),
    linear-gradient(180deg,#FDFBF8 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
}
.page-hero-inner{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:var(--s48);
  align-items:center;
  padding:72px 0 64px;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:.16em;
  color:var(--ink-3);
  font-weight:700;
  text-transform:uppercase;
  margin-bottom:var(--s16);
}
.kicker::before{
  content:"";
  width:26px;height:2px;background:var(--brand);display:block;
}
.page-hero h1{
  font-size:clamp(30px,4.4vw,50px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.01em;
  margin-bottom:var(--s16);
}
.page-hero h1 .hl{color:var(--brand-deep);}
.page-hero .lede{
  font-size:17px;
  color:var(--ink-2);
  max-width:620px;
  line-height:1.8;
}
.page-hero .hero-actions{
  display:flex;
  align-items:center;
  gap:var(--s16);
  flex-wrap:wrap;
  margin-top:var(--s32);
}
.hero-media{
  position:relative;
  padding-bottom:34px;
}
.hero-media .main-shot{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:20px;
  box-shadow:var(--sh-2);
}
.hero-media .sub-shot{
  position:absolute;
  right:-12px;
  bottom:0;
  width:46%;
  aspect-ratio:12/10;
  object-fit:cover;
  border-radius:14px;
  border:6px solid #fff;
  transform:rotate(-2deg);
  box-shadow:var(--sh-2);
}
.hero-side-note{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:var(--s24);
  font-size:13px;
  color:var(--ink-3);
}
.dot-live{
  width:8px;height:8px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(255,106,19,.16);
  flex:0 0 auto;
}

/* ============ 统计条 ============ */
.stat-band{
  background:var(--night);
  color:#fff;
  border-radius:20px;
  margin:0 auto;
  overflow:hidden;
}
.stat-band-inner{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:rgba(255,255,255,.08);
}
.stat-cell{
  background:var(--night);
  padding:34px 28px;
}
.stat-cell .v{
  font-size:32px;
  font-weight:800;
  line-height:1.1;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.stat-cell .k{
  margin-top:8px;
  font-size:13px;
  color:#9BA1AA;
}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section.alt{background:var(--surface);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:var(--s24);
  margin-bottom:var(--s48);
  flex-wrap:wrap;
}
.section-head .idx{
  display:block;
  font-size:13px;
  letter-spacing:.18em;
  font-weight:700;
  color:var(--ink-3);
  text-transform:uppercase;
  margin-bottom:10px;
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.01em;
}
.section-head .hint{
  font-size:14px;
  color:var(--ink-2);
  max-width:480px;
}

/* ============ 筛选 chip ============ */
.filter-row{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  padding:0 0 var(--s32);
}
.filter-chip{
  padding:8px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
  transition:all .2s var(--ease);
}
.filter-chip:hover{border-color:var(--ink);color:var(--ink);}
.filter-chip.is-on{
  background:var(--brand-soft);
  border-color:var(--brand);
  color:var(--brand-deep);
}
.filter-count{
  margin-left:auto;
  font-size:13px;
  color:var(--ink-3);
}

/* ============ 卡片流 ============ */
.stream{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:var(--s24);
}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  display:flex;
  flex-direction:column;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.card:hover .card-title{color:var(--brand-deep);}
.card-media{
  position:relative;
  overflow:hidden;
  background:var(--line);
}
.card-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s var(--ease);
}
.card:hover .card-media img{transform:scale(1.04);}
.card-lg{grid-column:span 7;}
.card-lg .card-media{aspect-ratio:16/9;}
.card-sm{grid-column:span 5;}
.card-sm .card-media{aspect-ratio:4/3;}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:12px;color:var(--ink-3);
}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  background:var(--brand-soft);
  color:var(--brand-deep);
}
.tag.tag-dark{background:rgba(20,22,26,.06);color:var(--ink-2);}
.tag.tag-ok{background:rgba(30,122,98,.1);color:var(--ok);}
.tag.tag-warn{background:rgba(183,121,31,.12);color:var(--warn);}
.card-title{
  font-size:20px;
  font-weight:700;
  line-height:1.45;
  transition:color .22s var(--ease);
}
.card-sm .card-title{font-size:18px;}
.card-text{
  font-size:14px;
  color:var(--ink-2);
  line-height:1.75;
}
.card-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--ink-3);
}
.card-foot .more{color:var(--brand-deep);font-weight:700;}
.card:hover .card-foot .more{text-decoration:underline;text-underline-offset:3px;}
.stream-more{
  display:flex;justify-content:center;gap:10px;
  margin-top:var(--s48);
  flex-wrap:wrap;
}
.pager-chip{
  min-width:42px;height:42px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;font-weight:700;color:var(--ink-2);
  transition:all .2s var(--ease);
}
.pager-chip:hover{border-color:var(--ink);color:var(--ink);}
.pager-chip.is-on{background:var(--night);border-color:var(--night);color:#fff;}

/* ============ 卖点横排 ============ */
.point-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--s32);
}
.point{
  padding-top:20px;
  border-top:2px solid var(--ink);
}
.point .no{
  font-size:32px;
  font-weight:800;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
  line-height:1;
}
.point h3{
  margin-top:14px;
  font-size:18px;
  font-weight:700;
}
.point p{
  margin-top:10px;
  font-size:14px;
  color:var(--ink-2);
  line-height:1.8;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
}
.point .ico{color:var(--brand);margin-bottom:12px;}

/* ============ 流程步骤 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--s24);
  counter-reset:step;
}
.step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 24px 26px;
  box-shadow:var(--sh-1);
}
.step .node{
  width:34px;height:34px;
  border-radius:9px;
  background:var(--night);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;
  font-variant-numeric:tabular-nums;
  margin-bottom:18px;
}
.step h3{font-size:18px;font-weight:700;}
.step p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.8;}

/* ============ 图文交替 ============ */
.split{
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:var(--s64);
  align-items:center;
}
.split.rev .split-media{order:2;}
.split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:20px;
  box-shadow:var(--sh-2);
}
.split h2{
  font-size:clamp(24px,3vw,32px);
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.01em;
  margin-bottom:var(--s16);
}
.split p{color:var(--ink-2);font-size:15.5px;line-height:1.85;}
.check-list{margin-top:var(--s24);display:flex;flex-direction:column;gap:14px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink);}
.check-list svg{flex:0 0 auto;margin-top:4px;color:var(--brand);}

/* ============ 评价 ============ */
.quote-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--s24);
}
.quote{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 26px;
  box-shadow:var(--sh-1);
}
.quote .score{
  display:flex;gap:3px;color:var(--brand);margin-bottom:16px;
}
.quote p{font-size:15px;line-height:1.85;color:var(--ink);}
.quote .who{
  margin-top:20px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--ink-3);
}
.quote .who strong{color:var(--ink);display:block;font-size:14px;margin-bottom:2px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:840px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--s24);
  min-height:62px;
  padding:14px 4px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand-deep);}
.faq-q .sign{
  flex:0 0 auto;
  width:26px;height:26px;
  position:relative;
  transition:transform .24s var(--ease),color .24s var(--ease);
  color:var(--ink-3);
}
.faq-q .sign::before,.faq-q .sign::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-q .sign::before{width:14px;height:2px;}
.faq-q .sign::after{width:2px;height:14px;}
.faq-item.is-open .faq-q .sign{transform:rotate(45deg);color:var(--brand);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .24s var(--ease);
}
.faq-a p{
  padding:0 44px 22px 4px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
}
.faq-item.is-open .faq-a{max-height:360px;}

/* ============ CTA ============ */
.cta-band{
  background:var(--brand);
  border-radius:20px;
  overflow:hidden;
  color:#fff;
}
.cta-inner{
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:var(--s48);
  padding:56px 48px;
  align-items:center;
}
.cta-inner h2{
  font-size:clamp(24px,3vw,34px);
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.01em;
}
.cta-inner .cta-lede{margin-top:14px;font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.9);}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;}
.cta-points svg{flex:0 0 auto;margin-top:4px;color:#fff;}
.cta-form{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.28);
  border-radius:16px;
  padding:26px 24px;
}
.cta-form label{
  display:block;
  font-size:13px;
  font-weight:700;
  margin-bottom:8px;
  color:rgba(255,255,255,.92);
}
.field{margin-bottom:16px;}
.field input,.field select{
  width:100%;
  padding:14px 16px;
  border-radius:10px;
  border:1px solid transparent;
  background:#fff;
  color:var(--ink);
  font-size:14px;
}
.field input::placeholder{color:var(--ink-3);}
.field input:focus,.field select:focus{
  outline:2px solid var(--ink);
  outline-offset:0;
  box-shadow:0 0 0 5px rgba(200,241,53,.85);
}
.cta-form .btn{width:100%;}
.cta-form .form-note{margin-top:12px;font-size:12px;color:rgba(255,255,255,.82);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--night);
  color:#C9CCD1;
  margin-top:var(--s96);
}
.footer-top{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:var(--s48);
  padding:64px 0 48px;
}
.footer-brand .logo-mark{background:var(--night-2);}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text em{color:#8A9099;}
.footer-brand p{
  margin-top:18px;
  font-size:13px;
  line-height:1.85;
  color:#9BA1AA;
  max-width:320px;
}
.socials{display:flex;gap:10px;margin-top:20px;}
.socials a{
  width:38px;height:38px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;
  color:#C9CCD1;
  transition:all .2s var(--ease);
}
.socials a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.footer-col h4{
  color:#fff;
  font-size:14px;
  font-weight:800;
  letter-spacing:.06em;
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:#C9CCD1;}
.footer-col a:hover{color:var(--brand);}
.footer-col p{font-size:13px;line-height:1.85;color:#9BA1AA;}
.footer-col p + p{margin-top:10px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--s16);
  flex-wrap:wrap;
  font-size:12.5px;
  color:#8A9099;
}
.footer-bottom a{color:#8A9099;}
.footer-bottom a:hover{color:var(--brand);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px;}
  .point-grid{grid-template-columns:repeat(2,1fr);gap:var(--s24);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .quote-grid{grid-template-columns:repeat(2,1fr);}
  .stat-band-inner{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;gap:var(--s32);}
}
@media (max-width:991px){
  .nav-chips{display:none;}
  .header-sep{display:none;}
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
  .page-hero-inner{grid-template-columns:1fr;gap:var(--s32);padding:52px 0 48px;}
  .hero-media{padding-bottom:0;}
  .hero-media .sub-shot{display:none;}
  .split{grid-template-columns:1fr;gap:var(--s32);}
  .split.rev .split-media{order:0;}
  .card-lg,.card-sm{grid-column:span 12;}
  .card-lg .card-media,.card-sm .card-media{aspect-ratio:16/9;}
  .cta-inner{grid-template-columns:1fr;padding:40px 28px;gap:var(--s32);}
  .section{padding:64px 0;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  body{font-size:15.5px;}
  .header-inner{height:66px;gap:var(--s12);}
  .logo-mark{width:38px;height:38px;font-size:18px;}
  .logo-text strong{font-size:17px;}
  .logo-text em{font-size:10px;}
  .mobile-panel{inset:66px 0 0 0;}
  .page-hero-inner{padding:40px 0 36px;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:var(--s32);}
  .point-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .quote-grid{grid-template-columns:1fr;}
  .stat-band-inner{grid-template-columns:1fr;}
  .stat-cell{padding:24px 22px;}
  .card-body{padding:18px 18px 20px;}
  .cta-inner{padding:32px 20px;}
  .cta-form{padding:20px 18px;}
  .filter-count{margin-left:0;width:100%;}
  .faq-q{font-size:16px;}
  .faq-a p{padding-right:20px;}
  .footer-top{grid-template-columns:1fr;gap:var(--s32);padding:48px 0 32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:479px){
  .btn{width:100%;}
  .page-hero .hero-actions{flex-direction:column;align-items:stretch;gap:8px;}
  .page-hero .hero-actions .btn-link{justify-content:flex-start;width:auto;}
  .hero-media .main-shot{aspect-ratio:3/2;}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --brand:#FF6A13;
  --brand-deep:#C93F0A;
  --brand-soft:#FFF1E8;
  --accent:#C8F135;
  --ink:#1B1D22;
  --ink-2:#5B6068;
  --ink-3:#8A9099;
  --night:#14161A;
  --night-2:#22252B;
  --bg:#F6F4F0;
  --surface:#FFFFFF;
  --line:#E6E2DB;
  --ok:#1E7A62;
  --warn:#B7791F;

  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-input:10px;

  --shadow-1:0 1px 2px rgba(20,22,26,.04), 0 8px 24px rgba(20,22,26,.06);
  --shadow-2:0 2px 4px rgba(20,22,26,.05), 0 16px 36px rgba(20,22,26,.10);

  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand-deep);text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px;}

/* ============ 容器与通用排版 ============ */
.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:96px 0;}
.section--surface{background:var(--surface);}
.section--bg{background:var(--bg);}
.section--night{background:var(--night);color:#EDEFF2;}
.section-head{margin-bottom:48px;max-width:760px;}
.eyebrow{
  display:flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-3);font-weight:700;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);display:block;}
.section-head h2{
  font-size:clamp(24px,3vw,36px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.01em;
}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px;max-width:660px;}
.section--night .section-head p{color:#A7ACB4;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;
  transition:background-color .22s var(--ease),box-shadow .22s var(--ease),transform .12s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(255,106,19,.28);}
.btn-primary:hover{background:var(--brand-deep);box-shadow:0 12px 26px rgba(201,63,10,.30);}
.btn-primary:active{transform:translateY(1px);}
.btn-night{background:var(--night);color:#fff;}
.btn-night:hover{background:#000;}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--ink);background:#fff;}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--brand-deep);font-weight:700;font-size:15px;
}
.text-link svg{transition:transform .22s var(--ease);}
.text-link:hover svg{transform:translateX(4px);}
.text-link:hover{text-decoration:underline;text-decoration-style:solid;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,240,.92);
  backdrop-filter:saturate(1.4) blur(6px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s var(--ease),background-color .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.97);
  border-bottom-color:var(--line);
  box-shadow:0 4px 18px rgba(20,22,26,.07);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  min-height:74px;
}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0;color:var(--ink);}
.logo-mark{
  width:40px;height:40px;border-radius:9px;
  background:var(--night);
  display:grid;place-items:center;
  position:relative;overflow:hidden;
}
.logo-mark::after{
  content:"";position:absolute;inset:auto 0 0 0;height:5px;background:var(--brand);
}
.logo-mark span{color:#fff;font-weight:800;font-size:15px;letter-spacing:.06em;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:17px;font-weight:800;letter-spacing:-.01em;}
.logo-text em{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.08em;}
.nav-chips{
  display:flex;align-items:center;gap:6px;
  margin-left:8px;
  padding-left:22px;
  border-left:1px solid var(--line);
  flex-wrap:nowrap;
}
.chip{
  display:inline-flex;align-items:center;
  padding:8px 15px;
  border-radius:999px;
  font-size:14px;font-weight:600;
  color:var(--ink-2);
  border:1px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{border-color:var(--line);background:#fff;color:var(--ink);}
.chip.is-active{
  background:var(--brand-soft);
  color:var(--brand-deep);
  border-color:var(--brand);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:#fff;
  place-items:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-nav{display:none;}

/* ============ 页面头部 ============ */
.page-hero{
  position:relative;
  background:var(--bg);
  background-image:repeating-linear-gradient(135deg,rgba(20,22,26,.04) 0 2px,transparent 2px 12px);
  padding:72px 0 88px;
  overflow:hidden;
}
.hero-grid{
  display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:12px;color:var(--ink-3);margin-bottom:22px;
}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--brand-deep);}
.breadcrumb span.sep{color:#C4C0B8;}
.page-hero h1{
  font-size:clamp(30px,4.6vw,52px);
  font-weight:800;line-height:1.15;letter-spacing:-.01em;
  max-width:15em;
}
.page-hero .lead{
  margin-top:20px;
  font-size:17px;line-height:1.8;color:var(--ink-2);
  max-width:34em;
}
.hero-actions{display:flex;align-items:center;gap:22px;margin-top:32px;flex-wrap:wrap;}
.hero-meta{
  display:flex;gap:32px;margin-top:40px;flex-wrap:wrap;
  padding-top:26px;border-top:1px solid var(--line);
}
.hero-meta div strong{
  display:block;font-size:28px;font-weight:800;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1.1;
}
.hero-meta div span{font-size:12px;color:var(--ink-3);}
.hero-visual{position:relative;}
.hero-visual .frame{
  border-radius:20px;overflow:hidden;
  box-shadow:var(--shadow-2);
  background:var(--surface);
}
.hero-visual .frame img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-visual .tagcard{
  position:absolute;left:-18px;bottom:-22px;width:180px;
  background:#fff;border:6px solid #fff;border-radius:14px;
  box-shadow:var(--shadow-2);
  transform:rotate(-2deg);
  overflow:hidden;
}
.hero-visual .tagcard img{width:100%;aspect-ratio:12/10;object-fit:cover;border-radius:10px;}
.hero-visual .tagcard b{
  display:block;padding:8px 2px 2px;font-size:12px;color:var(--ink-2);font-weight:700;
}

/* ============ 检查清单（横排卖点） ============ */
.check-list{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
}
.check-item{
  padding:0 26px;
  border-left:1px solid var(--line);
}
.check-item:first-child{padding-left:0;border-left:0;}
.check-item::before{
  content:"";display:block;width:34px;height:2px;background:var(--ink);margin-bottom:18px;
}
.check-item .num{
  font-size:32px;font-weight:800;line-height:1;color:var(--ink-3);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.check-item h3{font-size:18px;font-weight:700;margin:14px 0 8px;}
.check-item p{font-size:14px;line-height:1.75;color:var(--ink-2);}
.check-item .ic{margin-top:16px;color:var(--brand);}

/* ============ 步骤流 ============ */
.steps{max-width:860px;}
.step{
  position:relative;
  padding-left:72px;
  padding-bottom:48px;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:15px;top:44px;bottom:0;width:2px;background:var(--line);
}
.step:last-child::before{display:none;}
.step-num{
  position:absolute;left:0;top:0;
  width:32px;height:32px;border-radius:8px;
  background:var(--night);color:#fff;
  display:grid;place-items:center;
  font-size:14px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:20px;font-weight:700;line-height:1.4;}
.step p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:640px;}
.step .shot{
  margin-top:20px;
  max-width:520px;
  aspect-ratio:4/3;
  border:1px solid var(--line);
  border-radius:var(--radius-img);
  background:var(--surface);
  display:grid;place-items:center;gap:10px;
  color:var(--ink-3);text-align:center;padding:20px;
}
.step .shot svg{color:#C9C4BB;}
.step .shot span{font-size:13px;}

/* ============ 提示块 ============ */
.notice{
  margin-top:8px;
  background:var(--brand-soft);
  border-left:3px solid var(--brand);
  border-radius:0 var(--radius-card) var(--radius-card) 0;
  padding:26px 30px;
  max-width:860px;
}
.notice h3{font-size:17px;font-weight:700;margin-bottom:12px;}
.notice ul li{
  position:relative;padding-left:18px;
  font-size:15px;line-height:1.9;color:var(--ink-2);
}
.notice ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--brand);
}

/* ============ FAQ ============ */
.faq-wrap{max-width:840px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:62px;padding:18px 0;
  font-size:17px;font-weight:600;
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-deep);}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;
  border:1px solid var(--line);
  color:var(--ink-2);
  transition:transform .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--brand);border-color:var(--brand);}
.faq-answer{
  padding:0 0 22px;
  font-size:15px;line-height:1.85;color:var(--ink-2);
  max-width:70ch;
}

/* ============ CTA ============ */
.cta-band{
  background:var(--night);
  border-radius:20px;
  padding:52px 56px;
  display:grid;grid-template-columns:6fr 6fr;gap:44px;align-items:center;
  color:#EDEFF2;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  background:repeating-linear-gradient(135deg,rgba(255,106,19,.16) 0 6px,transparent 6px 18px);
  transform:rotate(12deg);
}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:800;color:#fff;line-height:1.25;}
.cta-band .cta-text p{margin-top:14px;color:#A7ACB4;font-size:15px;}
.cta-points{margin-top:24px;display:grid;gap:10px;}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:15px;color:#E4E6EA;}
.cta-points svg{color:var(--brand);flex-shrink:0;}
.cta-panel{
  background:var(--night-2);
  border-radius:16px;
  padding:26px;
  position:relative;z-index:1;
}
.cta-panel p{font-size:14px;color:#A7ACB4;margin-bottom:18px;}
.cta-panel .btn-row{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--night);color:#C9CCD1;padding:72px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;
  padding-bottom:48px;
}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text em{color:#8A9099;}
.footer-brand p{
  margin-top:18px;font-size:13px;line-height:1.8;color:#8F959D;max-width:30em;
}
.footer-social{display:flex;gap:12px;margin-top:20px;}
.footer-social a{
  width:36px;height:36px;border-radius:10px;
  border:1px solid #2E323A;
  display:grid;place-items:center;color:#C9CCD1;
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.footer-social a:hover{border-color:var(--brand);color:var(--brand);background:rgba(255,106,19,.08);}
.site-footer h4{
  font-size:14px;font-weight:800;color:#fff;margin-bottom:18px;letter-spacing:.02em;
}
.footer-links li{margin-bottom:11px;}
.footer-links a,.footer-col p{font-size:14px;color:#C9CCD1;}
.footer-links a:hover{color:var(--brand);}
.footer-col p{color:#8F959D;line-height:1.85;}
.footer-col p + p{margin-top:12px;}
.footer-bottom{
  border-top:1px solid #262A31;
  padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:#7C828A;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-chips{padding-left:16px;gap:2px;}
  .chip{padding:8px 12px;font-size:13.5px;}
  .check-list{grid-template-columns:repeat(2,1fr);row-gap:40px;}
  .check-item:nth-child(3){padding-left:0;border-left:0;}
}
@media (max-width:991px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .nav-chips{display:none;}
  .nav-toggle{display:grid;}
  .header-actions .btn{display:none;}
  .mobile-nav{
    display:block;
    position:fixed;left:0;right:0;top:74px;bottom:0;
    background:var(--surface);
    border-top:1px solid var(--line);
    padding:16px 24px 28px;
    transform:translateY(-12px);
    opacity:0;visibility:hidden;
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
    overflow-y:auto;
  }
  .mobile-nav.is-open{opacity:1;visibility:visible;transform:translateY(0);}
  .mobile-nav a.m-row{
    display:flex;align-items:center;justify-content:space-between;
    padding:16px 4px;border-bottom:1px solid var(--line);
    font-size:16px;font-weight:600;color:var(--ink);
  }
  .mobile-nav a.m-row.is-active{color:var(--brand-deep);}
  .mobile-nav .m-cta{margin-top:22px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .page-hero{padding:48px 0 64px;}
  .hero-visual .tagcard{left:auto;right:12px;bottom:-18px;width:150px;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  .section{padding:52px 0;}
  .section-head{margin-bottom:32px;}
  .check-list{grid-template-columns:1fr;row-gap:32px;}
  .check-item{padding-left:0;border-left:0;padding-bottom:24px;border-bottom:1px solid var(--line);}
  .check-item:last-child{border-bottom:0;padding-bottom:0;}
  .step{padding-left:60px;padding-bottom:40px;}
  .step::before{left:15px;top:44px;}
  .hero-meta{gap:24px;}
  .hero-meta div strong{font-size:24px;}
  .cta-band{padding:32px 22px;border-radius:16px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .header-inner{min-height:66px;gap:12px;}
  .logo-mark{width:36px;height:36px;}
  .logo-text strong{font-size:15.5px;}
  .logo-text em{font-size:10.5px;letter-spacing:.04em;}
  .mobile-nav{top:66px;}
  .page-hero h1{font-size:28px;}
  .page-hero .lead{font-size:15.5px;}
  .hero-actions{gap:16px;}
  .hero-actions .btn{width:100%;}
  .hero-visual .tagcard{width:126px;left:auto;right:8px;}
  .step{padding-left:52px;}
  .step-num{width:28px;height:28px;border-radius:7px;font-size:13px;}
  .step::before{left:13px;}
  .notice{padding:22px 20px;}
  .cta-panel .btn{width:100%;}
}

/* roulang page: category3 */
:root{
  --brand:#FF6A13;
  --brand-deep:#C93F0A;
  --brand-soft:#FFF1E8;
  --accent:#C8F135;
  --ink:#1B1D22;
  --ink-2:#5B6068;
  --ink-3:#8A9099;
  --night:#14161A;
  --night-2:#22252B;
  --bg:#F6F4F0;
  --surface:#FFFFFF;
  --line:#E6E2DB;
  --ok:#1E7A62;
  --warn:#B7791F;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(20,22,26,.04),0 8px 24px rgba(20,22,26,.06);
  --shadow-2:0 2px 4px rgba(20,22,26,.05),0 16px 36px rgba(20,22,26,.10);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:14px;color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:background-color .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--brand-deep);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--ink);background:#fff;}
.btn-dark{background:var(--night);color:#fff;}
.btn-dark:hover{background:var(--night-2);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--brand-deep);
  border-bottom:1px dashed var(--brand-deep);padding-bottom:2px;transition:gap .22s var(--ease),border-bottom-style .22s var(--ease);
}
.btn-link:hover{gap:10px;border-bottom-style:solid;}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,244,240,.92);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid transparent;
  transition:background-color .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-stuck{background:#fff;border-bottom-color:var(--line);box-shadow:0 4px 18px rgba(20,22,26,.06);}
.nav-wrap{display:flex;align-items:center;gap:var(--sp-5);height:74px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:11px;background:var(--night);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:800;letter-spacing:.04em;
  box-shadow:inset 0 0 0 2px rgba(255,106,19,.55);
  font-variant-numeric:tabular-nums;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:-.01em;}
.brand-text small{font-size:11px;color:var(--ink-3);margin-top:3px;letter-spacing:.02em;}
.nav-chips{display:flex;align-items:center;gap:6px;flex:1;min-width:0;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-2);
  border:1px solid transparent;background:transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.chip:hover{border-color:var(--line);color:var(--ink);background:#fff;}
.chip.is-active{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand);}
.nav-cta{display:flex;align-items:center;gap:14px;padding-left:18px;border-left:1px solid var(--line);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  align-items:center;justify-content:center;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;transition:.2s var(--ease);}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:.2s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}
.mobile-panel{
  display:none;background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 18px 32px rgba(20,22,26,.10);
}
.mobile-panel.is-open{display:block;}
.mobile-panel ul{padding:10px 32px 6px;}
.mobile-panel .m-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 4px;font-size:16px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line);
}
.mobile-panel .m-link.is-active{color:var(--brand-deep);}
.mobile-panel .m-link svg{flex-shrink:0;color:var(--ink-3);}
.mobile-panel .m-foot{padding:16px 32px 24px;}
.mobile-panel .m-foot .btn{width:100%;}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--bg);
  background-image:
    linear-gradient(135deg,rgba(255,106,19,.05) 0%,rgba(255,106,19,0) 55%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover,cover;
  background-position:center,center;
  padding:64px 0 72px;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,rgba(27,29,34,.045) 0 2px,transparent 2px 10px);
  opacity:.6;pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.eyebrow{
  font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--ink-3);
  text-transform:uppercase;display:flex;align-items:center;gap:10px;margin-bottom:18px;
}
.eyebrow::after{content:"";flex:1;height:1px;background:var(--line);max-width:120px;}
.page-hero h1{
  font-size:clamp(30px,4.6vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.01em;
  margin-bottom:20px;
}
.page-hero h1 em{font-style:normal;color:var(--brand-deep);}
.hero-sub{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:560px;margin-bottom:26px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.stat-pill{
  display:inline-flex;align-items:center;gap:8px;padding:9px 15px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);
}
.stat-pill b{font-size:16px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;}
.hero-media{position:relative;}
.hero-media .frame{
  border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2);
  aspect-ratio:4/3;background:#fff;
}
.hero-media .frame img{width:100%;height:100%;object-fit:cover;}
.hero-media .tag-float{
  position:absolute;left:-16px;bottom:-16px;
  background:var(--night);color:#fff;font-size:12px;padding:9px 14px;border-radius:999px;
  letter-spacing:.02em;box-shadow:var(--shadow-2);
}
.hero-media .tag-float b{color:var(--accent);font-variant-numeric:tabular-nums;}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
.section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:44px;max-width:720px;}
.section-title{
  font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.2;letter-spacing:-.01em;margin-bottom:14px;
}
.section-title::before{
  content:attr(data-idx);display:block;font-size:13px;font-weight:700;color:var(--ink-3);
  letter-spacing:.16em;margin-bottom:12px;
}
.section-sub{font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ---------- 规则速览 ---------- */
.rule-points{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.rule-point{padding-top:18px;border-top:2px solid var(--ink);}
.rule-point .rp-num{
  font-size:32px;font-weight:800;color:var(--ink-3);font-variant-numeric:tabular-nums;
  letter-spacing:.02em;line-height:1;margin-bottom:14px;
}
.rule-point h3{font-size:18px;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.rule-point h3 svg{color:var(--brand);flex-shrink:0;}
.rule-point p{font-size:14px;line-height:1.75;color:var(--ink-2);padding-bottom:16px;border-bottom:1px solid var(--line);}

/* ---------- 文档双栏 ---------- */
.doc-layout{display:grid;grid-template-columns:3fr 9fr;gap:48px;align-items:start;}
.doc-toc{position:sticky;top:96px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 20px;box-shadow:var(--shadow-1);}
.doc-toc h2{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--ink-3);margin-bottom:16px;}
.toc-link{
  display:flex;align-items:center;gap:10px;padding:11px 10px 11px 12px;border-radius:9px;
  font-size:14px;color:var(--ink-2);border-left:3px solid transparent;
  transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);
}
.toc-link:hover{background:var(--bg);color:var(--ink);}
.toc-link.is-active{border-left-color:var(--brand);background:var(--brand-soft);color:var(--ink);font-weight:700;}
.doc-toc .toc-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:12px;color:var(--ink-3);line-height:1.7;}

.doc-body{display:flex;flex-direction:column;gap:48px;}
.doc-block{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:34px 34px 26px;box-shadow:var(--shadow-1);scroll-margin-top:100px;}
.doc-block h2{font-size:21px;font-weight:800;display:flex;align-items:center;gap:12px;margin-bottom:8px;}
.doc-block h2 .sq{
  width:32px;height:32px;border-radius:9px;background:var(--night);color:#fff;display:grid;place-items:center;
  font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;flex-shrink:0;
}
.doc-block .block-note{font-size:14px;color:var(--ink-2);margin-bottom:20px;padding-left:44px;}
.rule-row{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:18px 0;border-top:1px solid var(--line);}
.rule-row:last-child{border-bottom:1px solid var(--line);}
.rule-row .rr-title{font-size:15px;font-weight:700;color:var(--ink);}
.rule-row .rr-desc{font-size:14.5px;line-height:1.8;color:var(--ink-2);}
.rule-row .rr-desc b{color:var(--ink);font-weight:700;}

.notice-block{
  background:var(--brand-soft);border-left:3px solid var(--brand);border-radius:12px;
  padding:22px 24px;margin-top:8px;
}
.notice-block h3{font-size:16px;font-weight:800;margin-bottom:10px;color:var(--brand-deep);}
.notice-block ul li{
  font-size:14px;line-height:1.85;color:var(--ink-2);padding-left:18px;position:relative;
}
.notice-block ul li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--brand);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:840px;margin:0 auto;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:62px;padding:16px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand-deep);}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;transition:transform .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
  color:var(--ink-2);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--brand);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-a-inner{padding:2px 4px 22px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:740px;}
.faq-a-inner b{color:var(--ink);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand);border-radius:20px;padding:48px;color:#fff;
  display:grid;grid-template-columns:6fr 6fr;gap:40px;align-items:center;
  box-shadow:var(--shadow-2);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.25;margin-bottom:14px;}
.cta-band p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.92);margin-bottom:20px;}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;line-height:1.7;margin-bottom:10px;}
.cta-list svg{flex-shrink:0;margin-top:4px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--night);color:#C9CCD1;padding:72px 0 0;margin-top:88px;}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.foot-brand .brand-mark{background:var(--night-2);}
.foot-brand .brand-text strong{color:#fff;}
.foot-brand .brand-text small{color:#8A9099;}
.site-footer .foot-desc{font-size:13px;line-height:1.8;color:#9AA0A8;max-width:300px;margin-bottom:18px;}
.foot-social{display:flex;gap:10px;}
.foot-social a{
  width:36px;height:36px;border-radius:10px;border:1px solid #33373D;display:grid;place-items:center;
  color:#C9CCD1;transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.foot-social a:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);}
.foot-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.foot-col ul li{margin-bottom:11px;}
.foot-col ul li a{font-size:14px;color:#C9CCD1;transition:color .2s var(--ease);}
.foot-col ul li a:hover{color:var(--brand);}
.foot-col p{font-size:13px;line-height:1.8;color:#9AA0A8;margin-bottom:10px;}
.foot-bottom{
  margin-top:56px;border-top:1px solid #2A2E34;padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.foot-bottom span{font-size:12.5px;color:#7D838B;}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:60;
  width:46px;height:46px;border-radius:14px;background:var(--night);color:#fff;
  display:grid;place-items:center;box-shadow:var(--shadow-2);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease),background-color .2s var(--ease);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-chips .chip{padding:0 11px;font-size:13.5px;}
  .hero-grid{gap:36px;}
  .rule-points{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .container{padding:0 24px;}
  .nav-chips,.nav-cta .btn{display:none;}
  .nav-toggle{display:flex;}
  .nav-wrap{height:68px;justify-content:space-between;}
  .nav-cta{padding-left:0;border-left:0;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .page-hero{padding:52px 0 60px;}
  .doc-layout{grid-template-columns:1fr;gap:32px;}
  .doc-toc{position:static;}
  .section{padding:64px 0;}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .mobile-panel ul,.mobile-panel .m-foot{padding-left:16px;padding-right:16px;}
  .hero-media .tag-float{left:0;}
  .rule-points{grid-template-columns:1fr;gap:24px;}
  .rule-row{grid-template-columns:1fr;gap:6px;}
  .doc-block{padding:26px 20px 20px;}
  .doc-block .block-note{padding-left:0;}
  .section{padding:52px 0;}
  .site-footer{padding-top:52px;margin-top:52px;}
  .faq-q{font-size:16px;}
}
@media (max-width:480px){
  .page-hero h1{font-size:28px;}
  .btn{width:100%;}
  .btn-link{width:auto;border-bottom:1px dashed var(--brand-deep);}
  .cta-actions{flex-direction:column;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:16px;}
}

/* roulang page: category4 */
:root{
  --brand:#FF6A13;
  --brand-deep:#C93F0A;
  --brand-soft:#FFF1E8;
  --accent:#C8F135;
  --ink:#1B1D22;
  --ink-2:#5B6068;
  --ink-3:#8A9099;
  --night:#14161A;
  --night-2:#22252B;
  --bg:#F6F4F0;
  --surface:#FFFFFF;
  --line:#E6E2DB;
  --ok:#1E7A62;
  --warn:#B7791F;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-frame:20px;
  --sh-1:0 1px 2px rgba(20,22,26,.04),0 8px 24px rgba(20,22,26,.06);
  --sh-2:0 2px 4px rgba(20,22,26,.05),0 16px 36px rgba(20,22,26,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
body.is-locked{overflow:hidden}
.container{max-width:1200px;margin:0 auto;padding:0 32px}

/* ——— 顶部提示条 ——— */
.notice-bar{background:var(--night);color:#EDEEF0}
.notice-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px;padding-top:8px;padding-bottom:8px}
.notice-text{display:flex;align-items:center;gap:10px;font-size:14px;line-height:1.6}
.notice-dot{width:8px;height:8px;border-radius:2px;background:var(--accent);flex:0 0 auto}
.notice-link{font-size:13px;font-weight:700;color:var(--accent);border-bottom:1px dashed rgba(200,241,53,.6);padding-bottom:2px;transition:border-color .2s var(--ease)}
.notice-link:hover{border-bottom-style:solid}

/* ——— 头部导航 ——— */
.site-header{position:sticky;top:0;z-index:60;background:var(--bg);border-bottom:1px solid transparent;transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease)}
.site-header.is-scrolled{background:var(--surface);border-bottom-color:var(--line);box-shadow:0 4px 18px rgba(20,22,26,.07)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:76px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{position:relative;width:44px;height:44px;border-radius:12px;background:var(--night);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:800;letter-spacing:.06em}
.brand-mark::after{content:"";position:absolute;top:-4px;right:-4px;width:11px;height:11px;border-radius:3px;background:var(--brand)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.02em}
.nav-chips{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto}
.chip{display:inline-flex;align-items:center;gap:6px;padding:9px 15px;border-radius:999px;font-size:14px;font-weight:600;color:var(--ink-2);border:1px solid transparent;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.chip:hover{border-color:var(--line);color:var(--ink);background:var(--surface)}
.chip.is-active{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand)}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;padding-left:18px;border-left:1px solid var(--line)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);border-radius:12px;cursor:pointer;padding:0;place-items:center;gap:4px;flex-direction:column}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-drawer{display:none;background:var(--surface);border-top:1px solid var(--line);box-shadow:var(--sh-1)}
.nav-drawer.is-open{display:block}
.drawer-list{display:flex;flex-direction:column;padding:8px 16px 4px}
.drawer-list a{display:flex;align-items:center;justify-content:space-between;padding:16px 8px;font-size:16px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-list a::after{content:"›";color:var(--ink-3);font-size:20px;line-height:1}
.drawer-list a.is-active{color:var(--brand-deep)}
.drawer-foot{padding:16px}

/* ——— 按钮 ——— */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:700;cursor:pointer;transition:background .2s var(--ease),box-shadow .2s var(--ease),transform .12s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(255,106,19,.28)}
.btn-primary:hover{background:var(--brand-deep);box-shadow:0 12px 26px rgba(201,63,10,.32)}
.btn-primary:active{transform:translateY(1px)}
.btn-dark{background:var(--night);color:#fff;box-shadow:0 6px 18px rgba(20,22,26,.22)}
.btn-dark:hover{background:#000;box-shadow:0 12px 26px rgba(20,22,26,.3)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:var(--surface)}
.btn-sm{padding:10px 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--brand-deep);border-bottom:1px dashed rgba(201,63,10,.45);padding-bottom:2px;transition:border-color .2s var(--ease),color .2s var(--ease)}
.link-arrow span{transition:transform .2s var(--ease)}
.link-arrow:hover span{transform:translateX(4px)}
.link-arrow:hover{border-bottom-style:solid}

/* ——— 通用板块 ——— */
.section{padding:96px 0}
.section--alt{background:var(--surface)}
.section--night{background:var(--night);color:#EDEEF0}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--ink-3);text-transform:uppercase;font-variant-numeric:tabular-nums}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.2;letter-spacing:-.01em;margin-top:10px}
.section-sub{margin-top:14px;font-size:15px;color:var(--ink-2)}
.section--night .eyebrow,.section--night .section-sub{color:#9AA0A8}

/* ——— Hero ——— */
.hero{position:relative;overflow:hidden;background:var(--bg);padding:72px 0 88px}
.hero::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(27,29,34,.04) 0 1px,transparent 1px 13px);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero-copy h1{font-size:clamp(30px,4.6vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.01em;margin:16px 0 0}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.75;color:var(--ink-2);max-width:56ch}
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:20px;margin-top:32px}
.hero-stats{display:flex;gap:40px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);flex-wrap:wrap}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats strong{font-size:28px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.01em}
.hero-stats span{font-size:12px;color:var(--ink-3)}
.hero-media{position:relative;padding-bottom:34px;padding-left:24px}
.hero-shot{margin:0;border-radius:var(--r-frame);overflow:hidden;box-shadow:var(--sh-2);background:var(--surface)}
.hero-shot img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-frame)}
.hero-shot-sub{position:absolute;left:0;bottom:0;width:46%;margin:0;border-radius:14px;overflow:hidden;border:6px solid #fff;box-shadow:var(--sh-2);transform:rotate(-2deg);background:var(--surface)}
.hero-shot-sub img{width:100%;aspect-ratio:12/10;object-fit:cover;border-radius:8px}

/* ——— 公告条目（杂志式列表） ——— */
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:118px 1fr 88px;gap:26px;align-items:center;padding:24px 16px;border-bottom:1px solid var(--line);transition:background .22s var(--ease)}
.news-item:hover{background:var(--brand-soft)}
.news-date{font-size:13px;font-weight:700;color:var(--ink-3);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.news-title{font-size:18px;font-weight:700;line-height:1.5;transition:transform .22s var(--ease),color .22s var(--ease)}
.news-item:hover .news-title{transform:translateX(4px);color:var(--brand-deep)}
.news-desc{margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.7}
.news-thumb img{width:72px;height:72px;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line)}
.news-more{display:flex;justify-content:flex-end;margin-top:28px}

/* ——— 卖点横排 ——— */
.points{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.point{padding-top:20px;border-top:2px solid var(--ink)}
.point-num{font-size:32px;font-weight:800;color:var(--ink-3);font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1}
.point h3{font-size:18px;font-weight:700;margin-top:14px}
.point p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.75}

/* ——— 适用场景 ——— */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DAD5CC}
.scene-tag{display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand-deep);font-size:12px;font-weight:700}
.scene-card h3{font-size:20px;font-weight:700;margin-top:16px}
.scene-card p{margin-top:10px;font-size:15px;color:var(--ink-2);line-height:1.75}

/* ——— 更新流程 ——— */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(255,255,255,.14)}
.flow-step{padding:28px 26px 8px 0;border-right:1px solid rgba(255,255,255,.14)}
.flow-step:last-child{border-right:0}
.flow-step:not(:first-child){padding-left:26px}
.flow-node{width:32px;height:32px;border-radius:8px;background:var(--night-2);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:800;font-variant-numeric:tabular-nums}
.flow-step h3{font-size:19px;font-weight:700;margin-top:18px;color:#fff}
.flow-step p{margin-top:10px;font-size:14px;line-height:1.8;color:#9AA0A8}

/* ——— FAQ ——— */
.faq-wrap{max-width:840px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{margin:0;font-size:17px;font-weight:600}
.faq-q button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:62px;padding:12px 0;background:none;border:0;text-align:left;cursor:pointer;font-size:17px;font-weight:600;color:var(--ink)}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:8px;border:1px solid var(--line);display:grid;place-items:center;font-size:16px;font-weight:700;color:var(--ink-2);transition:transform .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--brand);border-color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-item.is-open .faq-a{max-height:460px}
.faq-a-inner{padding:0 44px 22px 0;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ——— CTA 通栏 ——— */
.cta{background:var(--brand);border-radius:var(--r-frame);padding:56px;display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:start;box-shadow:0 20px 46px rgba(201,63,10,.24)}
.cta h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.25;color:#fff}
.cta p.cta-desc{margin-top:14px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.9)}
.cta-list{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;font-weight:600;color:#fff}
.cta-list svg{flex:0 0 auto;margin-top:4px}
.cta-form{background:var(--surface);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink-2);margin-bottom:8px}
.field input,.field select{width:100%;padding:14px;border-radius:var(--r-btn);border:1px solid var(--line);background:#FBFAF8;font-size:14px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease)}
.field input:focus,.field select:focus{outline:none;border-color:var(--ink);background:#fff;box-shadow:0 0 0 3px rgba(200,241,53,.85)}
.form-note{margin-top:14px;font-size:12px;color:var(--ink-3);line-height:1.7}
.form-status{margin-top:12px;font-size:13px;font-weight:700;color:var(--ok);display:none}
.form-status.is-visible{display:block}

/* ——— 页脚 ——— */
.site-footer{background:var(--night);color:#C9CCD1;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:48px;padding-top:72px;padding-bottom:56px}
.brand--footer .brand-mark{background:var(--night-2)}
.brand--footer .brand-text strong{color:#fff}
.brand--footer .brand-text em{color:#8A9099}
.footer-desc{margin-top:18px;font-size:13px;line-height:1.8;color:#9AA0A8}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.14);display:grid;place-items:center;color:#C9CCD1;transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease)}
.footer-social a:hover{color:var(--brand);border-color:var(--brand);background:rgba(255,106,19,.08)}
.footer-col h3{font-size:14px;font-weight:800;color:#fff;letter-spacing:.04em;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:#C9CCD1;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-col p{font-size:13px;line-height:1.8;color:#9AA0A8}
.footer-col p + p{margin-top:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1)}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:22px;padding-bottom:22px;font-size:12px;color:#8A9099}
.footer-note{color:#8A9099}

/* ——— 响应式 ——— */
@media (max-width:1199px){
  .points{grid-template-columns:repeat(2,1fr);gap:32px 40px}
}
@media (max-width:991px){
  .container{padding:0 24px}
  .nav-chips{display:none}
  .nav-toggle{display:flex}
  .header-actions{padding-left:14px}
  .section{padding:64px 0}
  .hero{padding:52px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-media{padding-left:0;max-width:640px}
  .hero-shot-sub{width:40%}
  .news-item{grid-template-columns:100px 1fr 88px;gap:20px}
  .scene-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow-step{border-right:0;border-bottom:1px solid rgba(255,255,255,.14);padding:24px 20px 20px 0}
  .flow-step:not(:first-child){padding-left:0}
  .cta{grid-template-columns:1fr;gap:32px;padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding-top:56px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .notice-inner{flex-direction:column;align-items:flex-start;gap:8px;padding:12px 16px}
  .header-inner{min-height:68px;gap:14px}
  .brand-mark{width:40px;height:40px}
  .brand-text strong{font-size:16px}
  .header-actions .btn-sm{padding:9px 14px;font-size:13px}
  .section{padding:52px 0}
  .section-head{margin-bottom:32px}
  .hero-stats{gap:24px;margin-top:32px}
  .hero-stats strong{font-size:24px}
  .news-item{grid-template-columns:1fr;gap:12px;padding:22px 8px}
  .news-thumb{order:-1}
  .news-thumb img{width:64px;height:64px}
  .points{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .faq-a-inner{padding-right:16px}
  .cta{padding:28px;border-radius:16px}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:479px){
  .hero-actions{gap:14px}
  .hero-actions .btn{width:100%}
  .link-arrow{font-size:14px}
  .hero-shot-sub{width:48%}
  .field input,.field select{padding:12px}
  .btn{padding:12px 18px}
}