/* roulang page: index */
:root{
  --primary:#FF5A2D;
  --primary-dark:#E03E12;
  --grad:linear-gradient(100deg,#FF5A2D 0%,#FF2E63 100%);
  --accent:#12B9A6;
  --accent-soft:#E6F7F5;
  --warm:#FFF6F1;
  --neutral:#F7F8FA;
  --ink:#1A1D23;
  --ink-2:#5A6473;
  --ink-3:#98A2B3;
  --line:#E8EBF0;
  --dark:#141821;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 6px 24px rgba(20,24,33,.06);
  --sh-2:0 16px 40px rgba(255,90,45,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","SF Pro Display",-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:#fff;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media(min-width:1440px){.container{max-width:1320px}}
.section{padding:88px 0}
.section--tight{padding:72px 0}
.bg-neutral{background:var(--neutral)}
.bg-warm{background:var(--warm)}
.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.js .reveal.visible{opacity:1;transform:none}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid #EDF0F4;
}
.nav-inner{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;
  box-shadow:0 4px 12px rgba(255,90,45,.32);flex-shrink:0;
}
.logo-mark svg{width:18px;height:18px}
.logo-text{font-size:16.5px;font-weight:700;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.logo-text em{font-style:normal;color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:12px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--ink-2);
  transition:color .22s var(--ease),background-color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  border-radius:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:var(--primary);background:rgba(255,90,45,.06)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;width:230px;height:40px;
  padding:0 16px;border-radius:var(--r-pill);
  background:#F2F4F7;border:1px solid transparent;
  transition:background-color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search svg{width:16px;height:16px;color:var(--ink-3);flex-shrink:0}
.nav-search input{
  border:0;background:transparent;width:100%;height:100%;
  font-size:14px;color:var(--ink);outline:none;
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,90,45,.14)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-position .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn:active{transform:translateY(0)}
.btn-primary{
  color:#fff;background-image:var(--grad);background-size:160% 100%;background-position:0% 50%;
  box-shadow:0 8px 20px rgba(255,90,45,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,90,45,.32);background-position:100% 50%}
.btn-outline{background:#fff;color:var(--primary);border-color:rgba(255,90,45,.4)}
.btn-outline:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:0 12px 26px rgba(255,90,45,.16)}
.btn-white{background:#fff;color:var(--primary-dark)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(20,24,33,.18)}
.btn-ghost-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost-light:hover{transform:translateY(-2px);background:rgba(255,255,255,.22)}
.nav-cta{height:42px;padding:0 22px;font-size:14.5px}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;margin-left:auto;
}
.burger svg{width:20px;height:20px;color:var(--ink)}
.drawer{
  position:fixed;left:0;right:0;top:70px;z-index:110;
  background:#fff;border-bottom:1px solid var(--line);
  padding:20px 24px 28px;box-shadow:0 24px 40px rgba(20,24,33,.1);
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
  max-height:calc(100vh - 70px);overflow-y:auto;
}
.drawer.open{opacity:1;visibility:visible;transform:none}
.drawer .nav-search{width:100%;margin-bottom:16px}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:18px}
.drawer-links a{padding:12px 14px;border-radius:12px;font-size:15.5px;color:var(--ink-2)}
.drawer-links a.active,.drawer-links a:hover{background:var(--warm);color:var(--primary);font-weight:600}
.drawer .btn{width:100%}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:#141821 url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:72px 0 76px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,24,33,.92) 0%,rgba(20,24,33,.74) 44%,rgba(255,90,45,.52) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:820px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:22px;
}
.hero-eyebrow i{width:7px;height:7px;border-radius:50%;background:#12B9A6;display:block;box-shadow:0 0 0 4px rgba(18,185,166,.22)}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero-sub{font-size:clamp(16px,1.6vw,19px);color:rgba(255,255,255,.84);max-width:620px;margin-bottom:30px;line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.hero-float{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) auto;gap:8px 22px;align-items:center;
  background:rgba(255,255,255,.97);border-radius:var(--r-lg);padding:20px 24px;
  box-shadow:0 24px 50px rgba(20,24,33,.24);color:var(--ink);
}
.hf-badge{display:flex;flex-direction:column;gap:2px;padding-right:18px;border-right:1px solid var(--line)}
.hf-badge:last-of-type{border-right:0}
.hf-badge strong{font-family:var(--font-num);font-size:24px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:var(--primary)}
.hf-badge span{font-size:13px;color:var(--ink-2);line-height:1.5}

/* ============ 通用板块标题 ============ */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,90,45,.08);color:var(--primary);font-size:13px;font-weight:600;margin-bottom:14px;
}
.sec-title{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.28;letter-spacing:-.01em;margin-bottom:10px}
.sec-desc{color:var(--ink-2);font-size:16px;max-width:660px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--primary);
  padding:10px 4px;transition:gap .22s var(--ease);
}
.link-more:hover{gap:11px}

/* ============ 痛点区 ============ */
.pain-grid{display:grid;grid-template-columns:5fr 4fr 3fr;gap:24px;align-items:stretch}
.pain-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:30px 26px 30px 30px;box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.pain-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad)}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.pain-card h3{font-size:19px;font-weight:700;line-height:1.5;margin-bottom:12px}
.pain-card p{font-size:14.5px;color:var(--ink-2);line-height:1.85}
.pain-tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--accent);
  background:var(--accent-soft);border-radius:var(--r-pill);padding:4px 12px;margin-bottom:14px;
}

/* ============ 解决步骤 ============ */
.steps{display:flex;flex-direction:column;gap:26px}
.step{
  display:grid;grid-template-columns:104px 1fr;gap:26px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px;box-shadow:var(--sh-1);max-width:780px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step:nth-child(even){margin-left:auto;max-width:660px;grid-template-columns:88px 1fr}
.step-num{
  font-family:var(--font-num);font-size:54px;font-weight:800;line-height:1;letter-spacing:-.03em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.step:nth-child(even) .step-num{font-size:44px}
.step h3{font-size:21px;font-weight:700;margin-bottom:10px}
.step p{font-size:15px;color:var(--ink-2);line-height:1.85;margin-bottom:14px}
.step-list{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-2);
  background:var(--neutral);border:1px solid var(--line);border-radius:var(--r-pill);padding:5px 13px;
}
.chip svg{width:13px;height:13px;color:var(--accent)}

/* ============ 成果数据 ============ */
.stats-wall{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.stat{
  background:#fff;border:1px solid #F4E3DA;border-radius:var(--r-md);padding:28px 24px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.stat:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(255,90,45,.14)}
.stat-num{
  font-family:var(--font-num);font-size:38px;font-weight:800;line-height:1.1;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-num small{font-size:16px;font-weight:700;margin-left:2px}
.stat p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.7}
.stat-note{margin-top:26px;font-size:13px;color:var(--ink-3);text-align:center}

/* ============ 证言 ============ */
.quotes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.quote-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px 30px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.quote-mark{
  position:absolute;top:10px;right:26px;font-family:Georgia,serif;font-size:60px;line-height:1;
  color:rgba(255,90,45,.14);
}
.quote-card blockquote{margin:0 0 20px;font-size:15.5px;line-height:1.9;color:var(--ink-2)}
.quote-person{display:flex;align-items:center;gap:12px}
.avatar{
  width:48px;height:48px;border-radius:50%;background:var(--grad);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;color:#fff;
}
.avatar svg{width:22px;height:22px}
.quote-name{font-size:15px;font-weight:700;line-height:1.4}
.quote-role{font-size:13px;color:var(--ink-3);line-height:1.4}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);padding-bottom:20px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#F2F4F7}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-tag{
  position:absolute;left:14px;top:14px;background:rgba(255,255,255,.95);color:var(--primary);
  font-size:12px;font-weight:600;border-radius:var(--r-pill);padding:5px 12px;max-width:78%;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.news-card h3{
  margin:18px 20px 8px;font-size:17.5px;font-weight:700;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  margin:0 20px;font-size:14px;color:var(--ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin:18px 20px 0;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.news-arrow{font-size:16px;color:var(--primary);transition:transform .22s var(--ease)}
.news-card:hover .news-arrow{transform:translateX(4px)}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:64px 24px;background:var(--neutral);border-radius:var(--r-lg);text-align:center;
}
.empty-state svg{width:64px;height:64px;color:var(--ink-3);opacity:.7}
.empty-state p{font-size:15px;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:box-shadow .22s var(--ease),border-color .22s var(--ease)}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-item.open{border-color:rgba(255,90,45,.34);box-shadow:var(--sh-1)}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;gap:14px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q::after{
  content:"";position:absolute;left:24px;right:24px;bottom:0;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.faq-item.open .faq-q::after{transform:scaleX(1)}
.faq-q-mark{
  width:24px;height:24px;border-radius:7px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  font-family:var(--font-num);font-size:13px;font-weight:700;
}
.faq-q-text{flex:1}
.faq-arrow{width:18px;height:18px;color:var(--ink-3);flex-shrink:0;transition:transform .28s var(--ease)}
.faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 24px 22px 62px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ============ 末屏 CTA ============ */
.cta-band{padding:0 0 88px}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);padding:56px 48px;
  background:linear-gradient(100deg,#FF5A2D 0%,#FF2E63 100%);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 24px 60px rgba(255,46,99,.26);
}
.cta-card::after{
  content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;margin-bottom:10px}
.cta-copy p{font-size:15px;color:rgba(255,255,255,.9)}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);font-size:14px;padding-top:64px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand .logo-text{color:#fff;font-size:16.5px}
.footer-brand p{margin:18px 0 20px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:300px}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:rgba(255,255,255,.6)}
.footer-contact span{display:flex;align-items:center;gap:8px}
.footer-contact svg{width:15px;height:15px;color:var(--primary)}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{color:rgba(255,255,255,.66);font-size:14px;transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 28px;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#fff}

/* ============ 响应式 ============ */
@media(max-width:1199px){
  .nav-search{width:190px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
  .footer-brand p{max-width:560px}
}
@media(max-width:991px){
  .section{padding:64px 0}
  .nav-links,.nav-search,.nav-cta{display:none}
  .burger{display:inline-flex}
  .hero{padding:56px 0 64px}
  .hero-float{grid-template-columns:1fr;gap:16px}
  .hf-badge{border-right:0;border-bottom:1px solid var(--line);padding:0 0 12px}
  .hf-badge:last-of-type{border-bottom:0;padding-bottom:0}
  .hero-float .btn{width:100%}
  .pain-grid{grid-template-columns:1fr}
  .step,.step:nth-child(even){max-width:100%;margin-left:0;grid-template-columns:72px 1fr;padding:26px}
  .step-num,.step:nth-child(even) .step-num{font-size:40px}
  .stats-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
  .quotes{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{padding-bottom:64px}
  .cta-card{padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .stats-wall{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .faq-q{padding:18px 18px;font-size:15.5px;gap:12px}
  .faq-q::after{left:18px;right:18px}
  .faq-a p{padding:0 18px 20px 54px}
  .cta-card{padding:34px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media(max-width:480px){
  .logo-text{font-size:15px}
  .step,.step:nth-child(even){grid-template-columns:1fr;gap:12px}
  .stat-num{font-size:32px}
  .quote-card{padding:24px 20px}
}

/* roulang page: article */
:root{
  --primary:#FF5A2D;
  --primary-dark:#E03E12;
  --grad:linear-gradient(100deg,#FF5A2D 0%,#FF2E63 100%);
  --accent:#12B9A6;
  --accent-soft:#E6F7F5;
  --accent-deep:#0E8E80;
  --warm:#FFF6F1;
  --neutral:#F7F8FA;
  --dark:#141821;
  --text:#1A1D23;
  --text-2:#5A6473;
  --text-3:#98A2B3;
  --border:#E8EBF0;
  --line:#EDF0F4;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:16px;
  --radius-xs:12px;
  --pill:999px;
  --shadow-sm:0 6px 24px rgba(20,24,33,.06);
  --shadow-hover:0 16px 40px rgba(255,90,45,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:220ms;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:#fff;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),
             background-position var(--dur) var(--ease),color var(--dur) var(--ease),
             border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.btn svg{width:16px;height:16px;flex-shrink:0}
.btn-primary{
  background-image:var(--grad);background-size:140% 100%;background-position:0 0;
  color:#fff;box-shadow:0 8px 20px rgba(255,90,45,.24);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,90,45,.32);background-position:60% 0}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,90,45,.24)}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--border)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--primary);color:var(--primary);box-shadow:var(--shadow-sm)}
.btn-ghost:active{transform:translateY(0)}
.btn-soft{background:var(--accent-soft);color:var(--accent-deep);border-color:transparent}
.btn-soft:hover{transform:translateY(-2px);background:#d5f2ee;box-shadow:var(--shadow-sm)}
.btn-onDark{background:#fff;color:var(--primary-dark);box-shadow:0 10px 26px rgba(20,24,33,.18)}
.btn-onDark:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(20,24,33,.24)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:18px;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad);color:#fff;
  display:grid;place-items:center;flex-shrink:0;
  box-shadow:0 6px 14px rgba(255,90,45,.28);
}
.logo-mark svg{width:18px;height:18px}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--primary)}

.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;padding:8px 12px;font-size:15px;color:var(--text-2);
  border-radius:8px;transition:color var(--dur) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary);font-weight:600}

.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-links + .nav-right{margin-left:20px}
.nav-search{
  display:flex;align-items:center;gap:8px;width:240px;height:42px;padding:0 16px;
  background:#F2F4F7;border:1px solid transparent;border-radius:var(--pill);
  transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.nav-search:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,90,45,.12)}
.nav-search svg{width:17px;height:17px;color:var(--text-3);flex-shrink:0}
.nav-search input{width:100%;border:0;background:transparent;outline:none;font-size:14px}
.nav-search input::placeholder{color:var(--text-3)}
.nav-cta{height:42px;padding:0 20px;font-size:14.5px}
.burger{
  display:none;width:44px;height:44px;border-radius:var(--radius-xs);
  align-items:center;justify-content:center;color:var(--text);
  background:#fff;border:1px solid var(--border);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.burger:hover{border-color:var(--primary);color:var(--primary)}
.burger svg{width:22px;height:22px}

.mobile-drawer{
  position:fixed;left:0;right:0;top:70px;bottom:0;z-index:55;
  background:#fff;padding:20px 24px 48px;overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur);
  border-top:1px solid var(--line);
}
.mobile-drawer.open{opacity:1;visibility:visible;transform:none}
.drawer-search{width:100%;height:46px;margin-bottom:18px}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.drawer-links a{
  padding:13px 14px;border-radius:var(--radius-xs);font-size:15.5px;font-weight:500;
  color:var(--text);background:var(--neutral);
}
.drawer-links a:hover{background:var(--warm);color:var(--primary)}
.drawer-cta{width:100%}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  padding:22px 0 0;font-size:13px;color:var(--text-3);
}
.breadcrumb a{color:var(--text-2);transition:color var(--dur) var(--ease)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#C6CDD8}
.crumb-cat{color:var(--accent-deep);font-weight:500}
.crumb-current{max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-2)}

/* ---------- 文章头部 ---------- */
.article-head{padding:20px 0 32px;border-bottom:1px solid var(--border)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--pill);
  background:var(--accent-soft);color:var(--accent-deep);
  font-size:13px;font-weight:600;line-height:1.6;
}
.badge svg{width:14px;height:14px}
.article-title{
  font-size:clamp(26px,3.5vw,40px);line-height:1.25;font-weight:800;
  letter-spacing:-.01em;margin:16px 0 18px;max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13px;color:var(--text-3)}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item svg{width:15px;height:15px;color:var(--text-3)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#D6DCE5}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr);
  gap:48px;padding:40px 0 88px;
}
.article-main{max-width:820px;min-width:0}
.article-aside{display:none}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.9;color:#2B3038;word-wrap:break-word}
.article-body > * + *{margin-top:1.2em}
.article-body h2{
  position:relative;font-size:26px;line-height:1.42;font-weight:700;letter-spacing:-.01em;
  color:var(--text);margin-top:2.3em;padding-left:18px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;
  background:var(--grad);
}
.article-body h3{font-size:21px;line-height:1.5;font-weight:700;color:var(--text);margin-top:1.9em}
.article-body h4{font-size:18px;font-weight:700;color:var(--text);margin-top:1.6em}
.article-body p{margin-top:1.2em}
.article-body ul,.article-body ol{margin-top:1.2em;padding-left:1.4em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-top:.55em}
.article-body li::marker{color:var(--primary)}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(255,90,45,.35);transition:border-color var(--dur) var(--ease)}
.article-body a:hover{border-bottom-color:var(--primary)}
.article-body strong{font-weight:700;color:var(--text)}
.article-body img{border-radius:var(--radius-sm);margin-top:1.5em}
.article-body figure{margin-top:1.6em}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body blockquote{
  margin-top:1.6em;padding:18px 22px;background:var(--warm);
  border-left:4px solid var(--primary);border-radius:0 var(--radius-xs) var(--radius-xs) 0;
  color:var(--text-2);font-size:16px;
}
.article-body blockquote p{margin-top:.6em}
.article-body blockquote p:first-child{margin-top:0}
.article-body table{width:100%;border-collapse:collapse;margin-top:1.6em;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--border);padding:11px 14px;text-align:left}
.article-body th{background:var(--neutral);font-weight:600}
.article-body hr{margin-top:2.2em;border:0;height:1px;background:var(--border)}
.article-body code{
  background:var(--neutral);padding:2px 7px;border-radius:6px;font-size:14.5px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:64px 24px;background:var(--neutral);
  border-radius:var(--radius-lg);border:1px solid var(--border);
}
.empty-ico{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;
  background:#fff;border:1px solid var(--border);
  display:grid;place-items:center;color:var(--primary);
  box-shadow:var(--shadow-sm);
}
.empty-ico svg{width:28px;height:28px}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--text-2);max-width:460px;margin:0 auto 24px}

/* ---------- 文末操作 ---------- */
.article-foot{margin-top:52px;padding-top:28px;border-top:1px solid var(--border)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-label{font-size:13px;color:var(--text-3)}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 15px;border-radius:var(--pill);
  background:var(--neutral);border:1px solid var(--border);font-size:13.5px;color:var(--text-2);
  transition:all var(--dur) var(--ease);
}
.tag:hover{background:var(--warm);border-color:rgba(255,90,45,.35);color:var(--primary)}
.article-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

/* ---------- 侧栏目录 ---------- */
.toc{
  position:sticky;top:96px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-md);padding:20px 18px;box-shadow:var(--shadow-sm);
}
.toc-title{
  display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;
  color:var(--text);padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:12px;
}
.toc-title svg{width:16px;height:16px;color:var(--primary)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow-y:auto}
.toc-item a{
  display:block;padding:7px 10px;font-size:13.5px;line-height:1.55;color:var(--text-2);
  border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.toc-item a:hover{color:var(--primary);background:var(--warm)}
.toc-item a.active{color:var(--primary);font-weight:600;border-left-color:var(--primary);background:var(--warm)}
.toc-sub a{padding-left:22px;font-size:13px;color:var(--text-3)}

.aside-card{
  margin-top:20px;padding:22px 18px;border-radius:var(--radius-md);
  background:var(--warm);border:1px solid rgba(255,90,45,.14);
}
.aside-card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.aside-card p{font-size:13.5px;color:var(--text-2);line-height:1.75;margin-bottom:16px}
.aside-card .btn{width:100%;height:42px;font-size:14.5px}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 88px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;letter-spacing:-.01em}
.sec-head p{font-size:14px;color:var(--text-2);margin-top:8px}
.sec-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);
  white-space:nowrap;transition:gap var(--dur) var(--ease);
}
.sec-more:hover{gap:10px}
.sec-more svg{width:15px;height:15px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rcard{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.rcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,90,45,.22)}
.rcard-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--neutral)}
.rcard-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.rcard:hover .rcard-media img{transform:scale(1.04)}
.rcard-tag{
  position:absolute;left:12px;top:12px;padding:4px 12px;border-radius:var(--pill);
  background:rgba(255,255,255,.94);color:var(--primary);font-size:12.5px;font-weight:600;
}
.rcard-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rcard-body h3{font-size:16.5px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard-body p{font-size:13.5px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rcard-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3)}
.rcard-foot svg{width:16px;height:16px;color:var(--primary)}

/* ---------- 底部 CTA ---------- */
.cta-wrap{padding:0 0 88px}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background-image:var(--grad);color:#fff;padding:52px 48px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-band h2{position:relative;font-size:clamp(22px,2.6vw,32px);font-weight:800;letter-spacing:-.01em;line-height:1.3}
.cta-band p{position:relative;margin-top:10px;font-size:15px;color:rgba(255,255,255,.9);max-width:560px}
.cta-band .cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{margin-bottom:4px}
.footer-brand .logo-text{color:#fff;font-size:16px}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:330px}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.footer-contact span{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62)}
.footer-contact svg{width:16px;height:16px;color:var(--primary);flex-shrink:0}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links li + li{margin-top:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.62);transition:color var(--dur) var(--ease)}
.footer-links a:hover{color:#fff}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- 滚动渐显 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-search{width:180px}
  .logo-text{font-size:16px}
}
@media (max-width:991px){
  .nav-links,.nav-search,.nav-cta{display:none}
  .burger{display:flex}
  .nav-right{margin-left:auto}
  .article-layout{gap:0}
  .cta-band{padding:40px 28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .breadcrumb{padding-top:18px}
  .article-head{padding-bottom:24px}
  .article-layout{padding:28px 0 56px}
  .related{padding-bottom:56px}
  .cta-wrap{padding-bottom:56px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:19px}
  .site-footer{padding:48px 0 24px}
}
@media (max-width:520px){
  .logo-text{font-size:15px;white-space:normal;line-height:1.25}
  .crumb-current{max-width:200px}
  .footer-grid{grid-template-columns:1fr}
  .article-actions .btn{width:100%}
  .cta-band h2{font-size:20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --primary:#FF5A2D;
  --primary-dark:#E03E12;
  --grad:linear-gradient(100deg,#FF5A2D 0%,#FF2E63 100%);
  --accent:#12B9A6;
  --accent-soft:#E6F7F5;
  --warm:#FFF6F1;
  --neutral:#F7F8FA;
  --white:#FFFFFF;
  --dark:#141821;
  --ink:#1A1D23;
  --ink-2:#5A6473;
  --ink-3:#98A2B3;
  --border:#E8EBF0;
  --ok:#12B9A6;
  --warn:#F5A524;
  --err:#E5484D;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 6px 24px rgba(20,24,33,.06);
  --sh-2:0 16px 40px rgba(255,90,45,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.25;letter-spacing:-0.01em}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-position .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn svg{width:17px;height:17px;flex:none}
.btn-primary{
  color:#fff;background-image:linear-gradient(100deg,#FF5A2D 0%,#FF2E63 100%);
  background-size:170% auto;background-position:0% 50%;
  box-shadow:0 8px 20px rgba(255,90,45,.24);
}
.btn-primary:hover{transform:translateY(-2px);background-position:65% 50%;box-shadow:0 16px 40px rgba(255,90,45,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--ink)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--primary);color:var(--primary);box-shadow:0 12px 28px rgba(20,24,33,.08)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.32)}
.btn-light:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid #EDF0F4;
}
.nav-inner{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:32px;height:32px;border-radius:10px;flex:none;
  display:grid;place-items:center;color:#fff;
  background-image:var(--grad);box-shadow:0 6px 16px rgba(255,90,45,.28);
}
.logo-mark svg{width:18px;height:18px}
.logo-text{font-size:16px;font-weight:700;letter-spacing:-0.01em;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-link{
  position:relative;display:inline-block;padding:9px 12px;border-radius:var(--r-pill);
  font-size:15px;color:var(--ink-2);white-space:nowrap;transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background-image:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px;flex:none}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;width:240px;padding:0 14px;
  background:#F2F4F7;border:1px solid transparent;border-radius:var(--r-pill);
  transition:background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search svg{width:16px;height:16px;color:var(--ink-3);flex:none}
.nav-search input{width:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink)}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,90,45,.12)}
.burger{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);place-items:center;
  border:1px solid var(--border);color:var(--ink);background:#fff;
}
.burger svg{width:20px;height:20px}
.drawer{
  display:none;border-top:1px solid #EDF0F4;background:#fff;
  padding:16px 24px 22px;
}
.drawer.open{display:block}
.drawer-search{width:100%;margin-bottom:12px}
.drawer-link{
  display:block;padding:12px 4px;font-size:15px;color:var(--ink-2);
  border-bottom:1px solid #F2F4F7;transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer-link:hover,.drawer-link.active{color:var(--primary);padding-left:10px}
.drawer-cta{width:100%;margin-top:16px}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--neutral);border-bottom:1px solid var(--border)}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);padding:12px 0;flex-wrap:wrap}
.crumb a{transition:color .2s var(--ease)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--ink-3)}
.crumb .current{color:var(--ink);font-weight:600;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Hero ---------- */
.hero{position:relative;isolation:isolate;overflow:hidden;color:#fff;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat #1b1f29;
  padding:88px 0 84px;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(224,62,18,.93) 0%,rgba(255,90,45,.86) 42%,rgba(255,46,99,.72) 100%);
}
.hero-inner{max-width:800px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;margin-bottom:20px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.hero-badge svg{width:15px;height:15px}
.hero h1{font-size:clamp(28px,4.2vw,46px);font-weight:800;line-height:1.18;letter-spacing:-0.01em;color:#fff}
.hero p.lead{margin-top:18px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.9);max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-pill{
  display:flex;align-items:center;gap:10px;background:#fff;border-radius:var(--r-pill);
  padding:10px 18px;box-shadow:0 10px 26px rgba(20,24,33,.14);
}
.hero-pill b{font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--ink)}
.hero-pill span{font-size:13px;color:var(--ink-2)}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section.tight{padding-top:56px}
.section.neutral{background:var(--neutral)}
.section.warm{background:var(--warm)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--primary);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background-image:var(--grad)}
h2.section-title{margin-top:12px;font-size:clamp(24px,3.2vw,34px);font-weight:700}
.section-desc{margin-top:14px;font-size:16px;color:var(--ink-2)}

/* ---------- 筛选胶囊 ---------- */
.chips-wrap{background:var(--neutral);border-bottom:1px solid var(--border);padding:18px 0}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:8px;min-height:42px;padding:8px 18px;
  border-radius:var(--r-pill);background:#fff;border:1px solid var(--border);
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.chip:hover{color:var(--primary);border-color:#FFD3C3;transform:translateY(-1px)}
.chip.is-active{color:#fff;border-color:transparent;background-image:var(--grad);box-shadow:0 10px 24px rgba(255,90,45,.24)}
.chip .dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.7}

/* ---------- 卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#FFD9CB}
.card.hide{display:none}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#F2F4F7}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-tag{
  position:absolute;top:12px;left:12px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,246,241,.96);color:var(--primary);font-size:12px;font-weight:700;
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:18px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);border-top:1px dashed var(--border);
}
.card-foot .arrow{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;
  background:var(--warm);color:var(--primary);transition:transform .24s var(--ease),background .24s var(--ease)}
.card:hover .card-foot .arrow{transform:translateX(3px);background:#FFE4D9}
.card-foot .arrow svg{width:15px;height:15px}

/* ---------- 深色数据带 ---------- */
.dark-band{background:var(--dark);color:#fff;padding:80px 0}
.dark-band h2{color:#fff}
.dark-band .section-desc{color:rgba(255,255,255,.66)}
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.metric{
  padding:26px 24px;border-radius:var(--r-md);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.1);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.metric:hover{transform:translateY(-4px);border-color:rgba(255,90,45,.5);background:rgba(255,90,45,.08)}
.metric b{display:block;font-size:32px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-0.02em;
  background-image:linear-gradient(100deg,#FF8F6B,#FFD1C4);-webkit-background-clip:text;background-clip:text;color:transparent}
.metric span{display:block;margin-top:10px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.7}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step}
.step{
  position:relative;padding:28px 24px 26px;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-md);box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step .num{
  display:inline-grid;place-items:center;width:44px;height:44px;border-radius:14px;
  background-image:var(--grad);color:#fff;font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;
  box-shadow:0 8px 18px rgba(255,90,45,.22);
}
.step h3{margin-top:18px;font-size:17px;font-weight:700}
.step p{margin-top:8px;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.step::after{
  content:"";position:absolute;top:50px;right:-14px;width:14px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#FFD3C3,rgba(255,211,195,0));
}
.step:last-child::after{display:none}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;transition:border-color .22s var(--ease)}
.faq-item.open{border-color:#FFD9CB}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q .qmark{
  flex:none;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
  background-image:var(--grad);color:#fff;font-size:13px;font-weight:800;
}
.faq-q .caret{margin-left:auto;flex:none;width:20px;height:20px;color:var(--ink-3);transition:transform .24s var(--ease),color .24s var(--ease)}
.faq-item.open .faq-q .caret{transform:rotate(180deg);color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{padding:0 22px 20px 60px;font-size:15px;color:var(--ink-2);line-height:1.8}
.faq-item.open .faq-q{position:relative}
.faq-item.open .faq-q::after{
  content:"";position:absolute;left:22px;right:22px;bottom:0;height:2px;border-radius:2px;background-image:var(--grad);
}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);color:#fff;
  padding:56px 48px;background-image:linear-gradient(100deg,#FF5A2D 0%,#FF2E63 100%);
  box-shadow:0 24px 60px rgba(255,90,45,.22);
}
.cta-card::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.cta-inner{position:relative;z-index:2;max-width:640px}
.cta-card h2{font-size:clamp(22px,3vw,30px);font-weight:700;color:#fff}
.cta-card p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.92)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-card .btn-ghost{background:#fff;border-color:#fff;color:var(--primary-dark)}
.cta-card .btn-ghost:hover{color:var(--primary-dark);box-shadow:0 16px 40px rgba(20,24,33,.18)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#fff;padding:66px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text em{color:#FF8F6B}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.9;max-width:330px}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-top:20px}
.footer-contact span{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.6)}
.footer-contact svg{width:16px;height:16px;color:#FF8F6B;flex:none}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links li+li{margin-top:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-links a:hover{color:#FF8F6B;padding-left:4px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- 滚动渐显 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 断点 ---------- */
@media (max-width:1199px){
  .nav-search{width:190px}
  .nav-link{padding:9px 9px;font-size:14.5px}
}
@media (max-width:991px){
  .nav-links,.nav-search,.nav-cta{display:none}
  .burger{display:grid}
  .nav-inner{justify-content:space-between}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:72px 0}
  .hero{padding:72px 0 68px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .hero{padding:56px 0 52px}
  .hero p.lead{font-size:15.5px}
  .grid-3{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-card{padding:36px 24px;border-radius:var(--r-md)}
  .crumb .current{max-width:100%;white-space:normal}
  .faq-a p{padding-left:22px}
  .hero-pill{padding:9px 15px}
  .hero-pill b{font-size:18px}
}
@media (max-width:480px){
  .logo-text{font-size:14.5px}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --primary:#FF5A2D;
  --primary-deep:#E03E12;
  --accent:#12B9A6;
  --accent-soft:#E6F7F5;
  --warm:#FFF6F1;
  --neutral:#F7F8FA;
  --dark:#141821;
  --white:#FFFFFF;
  --text:#1A1D23;
  --text-2:#5A6473;
  --text-3:#98A2B3;
  --border:#E8EBF0;
  --border-soft:#EDF0F4;
  --success:#12B9A6;
  --warn:#F5A524;
  --danger:#E5484D;
  --grad:linear-gradient(100deg,#FF5A2D 0%,#FF2E63 100%);
  --grad-soft:linear-gradient(100deg,rgba(255,90,45,.12) 0%,rgba(255,46,99,.12) 100%);
  --r-xl:24px;
  --r-lg:18px;
  --r-md:16px;
  --r-pill:999px;
  --sh-1:0 6px 24px rgba(20,24,33,.06);
  --sh-2:0 16px 40px rgba(255,90,45,.16);
  --sh-3:0 10px 30px rgba(20,24,33,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --gap:24px;
  --section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;background:#F2F4F7}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:none;padding:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.25;letter-spacing:-.01em}
p{line-height:1.85}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.wrap-960{max-width:960px;margin:0 auto}
.wrap-880{max-width:880px;margin:0 auto}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;font-family:Inter,"PingFang SC","Noto Sans SC",sans-serif}
.section{padding:var(--section) 0}
.section--warm{background:var(--warm)}
.section--neutral{background:var(--neutral)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-position .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-primary{
  color:#fff;background-image:var(--grad);background-size:160% 100%;background-position:0 0;
  box-shadow:0 8px 20px rgba(255,90,45,.26);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-2);background-position:6% 0}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,90,45,.22)}
.btn-ghost{
  color:var(--text);background:#fff;border:1px solid var(--border);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--primary);color:var(--primary);box-shadow:var(--sh-1)}
.btn-ghost:active{transform:translateY(0)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);
  transition:gap .22s var(--ease),color .22s var(--ease);
}
.btn-link:hover{gap:10px;color:var(--primary-deep)}

/* ---------- 页头导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border-soft);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background-image:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;
  box-shadow:0 6px 14px rgba(255,90,45,.28);
}
.logo-mark svg{width:18px;height:18px}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.logo-text em{font-style:normal;color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background-image:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;width:240px;height:40px;padding:0 14px;
  background:#F2F4F7;border:1px solid transparent;border-radius:var(--r-pill);
  color:var(--text-3);transition:background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search svg{width:17px;height:17px;flex-shrink:0}
.nav-search input{
  width:100%;border:none;background:transparent;outline:none;font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search:focus-within{
  background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,90,45,.12);
}
.nav-cta{padding:10px 22px}
.burger{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--border);color:var(--text);background:#fff;
}
.burger svg{width:20px;height:20px}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:80;background:rgba(20,24,33,.5);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer.open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(340px,86vw);height:100%;
  background:#fff;padding:20px 20px 32px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;gap:18px;
}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--border);
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);
}
.drawer-close svg{width:18px;height:18px}
.drawer .nav-search{width:100%}
.drawer-links{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--border-soft);padding-top:14px}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 4px;font-size:15px;color:var(--text-2);border-bottom:1px solid var(--border-soft);
}
.drawer-links a.active{color:var(--primary);font-weight:600}

/* ---------- 分类页横幅 ---------- */
.page-hero{
  position:relative;padding:56px 0 60px;min-height:280px;
  display:flex;align-items:center;color:#fff;
  background-image:linear-gradient(100deg,rgba(224,62,18,.88) 0%,rgba(255,46,99,.78) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:120px;
  background:linear-gradient(to top,rgba(20,24,33,.28),transparent);pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.82);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.82);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:#fff}
.breadcrumb span.sep{color:rgba(255,255,255,.55)}
.breadcrumb .current{color:#fff;font-weight:600}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.15;
  max-width:820px;margin-bottom:16px;
}
.page-hero h1 em{font-style:normal;color:#FFE3D6}
.hero-lede{font-size:16px;line-height:1.85;max-width:720px;color:rgba(255,255,255,.92)}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  font-size:13px;color:#fff;backdrop-filter:blur(4px);
}
.hero-chip svg{width:15px;height:15px}

/* ---------- 通用板块头 ---------- */
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:#0B8C7D;font-size:13px;font-weight:600;margin-bottom:16px;
}
.eyebrow.is-primary{background:rgba(255,90,45,.10);color:var(--primary-deep)}
.section-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--text-2)}

/* ---------- 数据徽章条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);
  padding:24px 26px;box-shadow:var(--sh-1);
}
.stat-item{display:flex;flex-direction:column;gap:4px}
.stat-item .figure{font-size:24px;font-weight:800;color:var(--text);line-height:1.2}
.stat-item .figure i{font-style:normal;font-size:14px;color:var(--primary);margin-left:2px}
.stat-item .label{font-size:13px;color:var(--text-2)}
.stat-item + .stat-item{border-left:1px solid var(--border-soft);padding-left:18px}

/* ---------- 图左文右大卡列表 ---------- */
.entry-list{display:grid;gap:24px}
.entry-card{
  display:grid;grid-template-columns:360px 1fr;gap:30px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);
  padding:22px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(20,24,33,.10);border-color:#F6DCD3}
.entry-media{position:relative;border-radius:var(--r-md);overflow:hidden;background:#F2F4F7}
.entry-media img{width:100%;height:100%;min-height:220px;object-fit:cover;transition:transform .4s var(--ease)}
.entry-card:hover .entry-media img{transform:scale(1.03)}
.entry-media .media-tag{
  position:absolute;left:12px;top:12px;padding:6px 12px;border-radius:var(--r-pill);
  background:rgba(255,90,45,.94);color:#fff;font-size:12px;font-weight:600;letter-spacing:.02em;
}
.entry-body{display:flex;flex-direction:column;gap:12px;padding:6px 6px 6px 0}
.entry-body h3{font-size:22px;font-weight:700}
.entry-body p{font-size:15.5px;color:var(--text-2)}
.point-list{display:grid;gap:8px;margin-top:2px}
.point-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2)}
.point-list li svg{width:17px;height:17px;flex-shrink:0;margin-top:4px;color:var(--accent)}
.entry-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:auto;padding-top:14px;border-top:1px dashed var(--border)}
.entry-foot .meta{font-size:13px;color:var(--text-3)}

/* ---------- 流程步骤 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step}
.step-card{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);
  padding:30px 26px 28px;box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.step-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:4px;background-image:var(--grad);
  transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.step-card:hover::before{transform:scaleX(1)}
.step-no{
  font-size:38px;font-weight:800;line-height:1;color:transparent;
  background-image:var(--grad);-webkit-background-clip:text;background-clip:text;
  margin-bottom:14px;display:block;
}
.step-card h3{font-size:20px;margin-bottom:10px}
.step-card p{font-size:15px;color:var(--text-2)}

/* ---------- 两列信息卡 ---------- */
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.info-card{
  display:flex;gap:16px;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.info-card:hover{transform:translateY(-3px);border-color:#F6DCD3;box-shadow:0 14px 34px rgba(255,90,45,.12)}
.info-icon{
  width:44px;height:44px;border-radius:14px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--accent-soft);color:#0B8C7D;
}
.info-card:nth-child(odd) .info-icon{background:rgba(255,90,45,.10);color:var(--primary-deep)}
.info-icon svg{width:21px;height:21px}
.info-card h3{font-size:17px;margin-bottom:8px}
.info-card p{font-size:14.5px;color:var(--text-2)}

/* ---------- 标签 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:var(--r-pill);
  background:var(--neutral);color:var(--text-2);font-size:13px;border:1px solid var(--border);
}
.tag.is-primary{background:rgba(255,90,45,.09);color:var(--primary-deep);border-color:rgba(255,90,45,.18)}
.tag.is-accent{background:var(--accent-soft);color:#0B8C7D;border-color:rgba(18,185,166,.2)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  overflow:hidden;transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item:hover{border-color:#F6DCD3}
.faq-item.open{border-color:rgba(255,90,45,.34);box-shadow:0 12px 30px rgba(255,90,45,.10)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:20px 22px;font-size:16.5px;font-weight:600;color:var(--text);
  position:relative;
}
.faq-q .q-mark{
  width:26px;height:26px;border-radius:9px;background-image:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0;
}
.faq-q .q-text{flex:1}
.faq-q .chev{width:18px;height:18px;color:var(--text-3);transition:transform .26s var(--ease),color .26s var(--ease);flex-shrink:0}
.faq-item.open .faq-q .chev{transform:rotate(180deg);color:var(--primary)}
.faq-item.open .faq-q::after{
  content:"";position:absolute;left:22px;right:22px;bottom:0;height:2px;
  background-image:var(--grad);border-radius:2px;
}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-item.open .faq-a{max-height:420px}
.faq-a p{padding:16px 22px 22px 62px;font-size:15px;color:var(--text-2)}
.faq-item.open .faq-a p{animation:fadeUp .3s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;border-radius:28px;overflow:hidden;color:#fff;
  background-image:linear-gradient(100deg,#FF5A2D 0%,#FF2E63 100%);
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:0 22px 50px rgba(255,46,99,.26);
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.cta-band::after{
  content:"";position:absolute;right:90px;bottom:-90px;width:200px;height:200px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-copy{position:relative;z-index:2;max-width:640px}
.cta-copy h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;margin-bottom:12px}
.cta-copy p{font-size:15.5px;color:rgba(255,255,255,.92)}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}
.cta-actions .btn-white{background:#fff;color:var(--primary-deep);box-shadow:0 10px 24px rgba(20,24,33,.18)}
.cta-actions .btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(20,24,33,.24)}
.cta-actions .btn-outline{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.5)}
.cta-actions .btn-outline:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text em{color:#FF7A55}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.6);max-width:320px}
.footer-contact{display:grid;gap:10px;margin-top:18px}
.footer-contact span{display:flex;align-items:center;gap:9px;font-size:13.5px;color:rgba(255,255,255,.62)}
.footer-contact svg{width:16px;height:16px;flex-shrink:0;color:#FF7A55}
.footer-title{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px}
.footer-links{display:grid;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.6);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- 渐显 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-search{width:190px}
  .nav-links{gap:20px}
  .nav-link{font-size:14.5px}
}
@media (max-width:991px){
  .nav-links,.nav-right .nav-search,.nav-right .nav-cta{display:none}
  .burger{display:inline-flex}
  .entry-card{grid-template-columns:300px 1fr;gap:24px}
  .step-grid{grid-template-columns:1fr;gap:18px}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:20px}
  .stat-item:nth-child(3){border-left:none;padding-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  :root{--section:56px;--gap:16px}
  .container{padding:0 16px}
  .page-hero{padding:40px 0 44px;min-height:auto}
  .hero-lede{font-size:15px}
  .entry-card{grid-template-columns:1fr;padding:16px;gap:18px}
  .entry-media img{min-height:190px}
  .info-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 24px;border-radius:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .faq-q{padding:17px 16px;font-size:15.5px;gap:11px}
  .faq-a p{padding:14px 16px 20px 16px}
  .faq-item.open .faq-q::after{left:16px;right:16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{justify-content:flex-start}
  .section-head{margin-bottom:30px}
}
@media (max-width:480px){
  .logo-text{font-size:15px}
  .stat-strip{grid-template-columns:1fr}
  .stat-item + .stat-item{border-left:none;padding-left:0;border-top:1px solid var(--border-soft);padding-top:14px}
  .hero-chip{font-size:12px;padding:7px 13px}
}

/* roulang page: category3 */
:root{
  --primary:#FF5A2D;
  --primary-dark:#E03E12;
  --accent:#12B9A6;
  --accent-soft:#E6F7F5;
  --warm:#FFF6F1;
  --neutral:#F7F8FA;
  --white:#FFFFFF;
  --dark:#141821;
  --text:#1A1D23;
  --text-2:#5A6473;
  --text-3:#98A2B3;
  --border:#E8EBF0;
  --grad:linear-gradient(100deg,#FF5A2D 0%,#FF2E63 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:16px;
  --r-pill:999px;
  --sh-1:0 6px 24px rgba(20,24,33,.06);
  --sh-2:0 16px 40px rgba(255,90,45,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-sm);}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
svg{display:block;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;box-shadow:0 0 0 3px rgba(255,90,45,.18);border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.narrow{max-width:880px;margin:0 auto;}
@media (min-width:1440px){:root{--container:1320px;}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(8px);
  -webkit-backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid #EDF0F4;
}
.nav-inner{display:flex;align-items:center;gap:28px;height:70px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad);
  display:grid;place-items:center;color:#fff;
  box-shadow:0 6px 18px rgba(255,90,45,.30);
}
.logo-mark svg{width:18px;height:18px;}
.logo-text{font-weight:700;font-size:17px;letter-spacing:-.01em;white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--primary);}
.site-footer .logo-text{color:#fff;}
.site-footer .logo-text em{color:#FF7A52;}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.nav-link{
  position:relative;padding:10px 14px;border-radius:10px;
  font-size:15px;color:var(--text-2);font-weight:500;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--grad);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--primary);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}

.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:42px;padding:0 16px;
  background:#F2F4F7;border:1px solid transparent;border-radius:var(--r-pill);
  transition:background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search svg{width:17px;height:17px;color:var(--text-3);flex:0 0 auto;}
.nav-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{
  background:#fff;border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(255,90,45,.12);
}
.nav-search:focus-within svg{color:var(--primary);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-position .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;
}
.btn svg{width:17px;height:17px;}
.btn-primary{
  background:var(--grad);background-size:130% 100%;background-position:0 0;
  color:#fff;box-shadow:0 8px 22px rgba(255,90,45,.28);
}
.btn-primary:hover{background-position:6% 0;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,90,45,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;color:var(--text);border:1px solid var(--border);
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{background:#fff;color:var(--primary);box-shadow:0 10px 26px rgba(20,24,33,.14);}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(20,24,33,.2);}
.btn-outline-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px);}
.nav-cta{height:42px;padding:0 20px;font-size:14px;}

.burger{
  display:none;width:44px;height:44px;border-radius:12px;place-items:center;
  color:var(--text);border:1px solid var(--border);background:#fff;
}
.burger svg{width:20px;height:20px;}

.drawer{
  display:none;position:fixed;inset:70px 0 0 0;z-index:75;
  background:rgba(20,24,33,.35);backdrop-filter:blur(2px);
}
.drawer.open{display:block;}
.drawer-panel{
  background:#fff;padding:20px 24px 28px;max-height:100%;overflow-y:auto;
  border-bottom-left-radius:var(--r-lg);border-bottom-right-radius:var(--r-lg);
  animation:slideDown .26s var(--ease);
}
@keyframes slideDown{from{opacity:0;transform:translateY(-10px);}to{opacity:1;transform:translateY(0);}}
.drawer-panel .nav-search{width:100%;margin-bottom:16px;}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-bottom:18px;}
.drawer-links a{
  padding:13px 14px;border-radius:12px;font-size:16px;color:var(--text-2);font-weight:500;
}
.drawer-links a:hover{background:var(--warm);color:var(--primary);}
.drawer-links a.active{color:var(--primary);font-weight:700;background:var(--warm);}
.drawer-panel .btn{width:100%;}

/* ============ 页面横幅 ============ */
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(255,90,45,.86) 0%,rgba(255,46,99,.62) 55%,rgba(20,24,33,.72) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  color:#fff;
}
.page-hero::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,185,166,.42),rgba(18,185,166,0) 68%);
}
.page-hero .container{position:relative;z-index:2;padding-top:52px;padding-bottom:56px;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.78);margin-bottom:18px;
}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .now{color:#fff;font-weight:600;}
.page-hero h1{
  font-size:clamp(28px,4vw,44px);line-height:1.2;font-weight:800;letter-spacing:-.01em;
  max-width:16em;
}
.page-hero .lede{
  margin-top:16px;max-width:36em;
  font-size:16px;line-height:1.8;color:rgba(255,255,255,.9);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  font-size:13px;color:#fff;backdrop-filter:blur(4px);
}
.hero-tag svg{width:15px;height:15px;}

/* ============ 区块通用 ============ */
.section{padding:var(--sec) 0;}
.section--neutral{background:var(--neutral);}
.section--warm{background:var(--warm);}
.section--dark{background:var(--dark);color:#fff;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:#0E8E80;
  font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:16px;
}
.eyebrow.on-dark{background:rgba(255,255,255,.1);color:#8FE6DB;}
.section-head h2{
  font-size:clamp(24px,3vw,34px);line-height:1.28;font-weight:700;letter-spacing:-.01em;
}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;}
.section--dark .section-head p{color:rgba(255,255,255,.72);}

/* ============ 概述卡 ============ */
.overview{
  display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;
  margin-top:-42px;position:relative;z-index:3;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:0 18px 48px rgba(20,24,33,.08);padding:32px;
}
.overview-text h2{font-size:22px;font-weight:700;margin-bottom:12px;}
.overview-text p{color:var(--text-2);font-size:15.5px;}
.overview-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:var(--warm);color:var(--primary-dark);font-size:13px;font-weight:600;
}
.chip svg{width:14px;height:14px;}
.overview-media{position:relative;border-radius:var(--r-md);overflow:hidden;}
.overview-media img{width:100%;height:230px;object-fit:cover;border-radius:var(--r-md);}
.overview-media .media-tag{
  position:absolute;left:14px;top:14px;
  padding:6px 13px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);color:var(--primary-dark);
  font-size:12.5px;font-weight:700;
}

/* ============ 时间轴 ============ */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:19px;top:14px;bottom:26px;width:2px;
  background:linear-gradient(180deg,rgba(255,90,45,.9),rgba(255,46,99,.55) 55%,rgba(255,90,45,.06));
  border-radius:2px;
}
.tl-item{
  display:grid;grid-template-columns:40px 1fr;gap:24px;
  margin-bottom:24px;position:relative;
}
.tl-num{
  width:40px;height:40px;border-radius:50%;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;
  font-size:14px;font-weight:800;
  font-variant-numeric:tabular-nums;
  box-shadow:0 8px 20px rgba(255,90,45,.3);
  position:relative;z-index:2;
  transition:transform .24s var(--ease);
}
.tl-item:hover .tl-num{transform:scale(1.08);}
.tl-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.tl-item:hover .tl-card{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#FFD8CB;}
.tl-card h3{font-size:19px;font-weight:700;margin-bottom:10px;letter-spacing:-.01em;}
.tl-card p{color:var(--text-2);font-size:15.5px;}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tl-meta span{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;color:#0E8E80;background:var(--accent-soft);
  padding:5px 12px;border-radius:var(--r-pill);font-weight:600;
}
.tl-meta span svg{width:13px;height:13px;}

/* ============ 自查网格 ============ */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.check-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.check-ico{
  width:44px;height:44px;border-radius:14px;background:var(--warm);
  color:var(--primary);display:grid;place-items:center;margin-bottom:18px;
}
.check-ico svg{width:22px;height:22px;}
.check-card h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.check-card p{color:var(--text-2);font-size:15px;}
.check-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.check-card li{position:relative;padding-left:18px;font-size:14.5px;color:var(--text-2);}
.check-card li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;
  background:var(--accent);
}

/* ============ 深色提醒带 ============ */
.alert-band{
  display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
  background:var(--dark);border-radius:var(--r-lg);
  padding:36px 40px;color:#fff;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.04);
}
.alert-band h2{font-size:clamp(21px,2.4vw,27px);font-weight:700;margin-bottom:10px;}
.alert-band p{color:rgba(255,255,255,.72);font-size:15.5px;max-width:52em;}
.alert-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item.open{border-color:#FFD8CB;box-shadow:0 10px 30px rgba(255,90,45,.10);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:20px 22px;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--text);
}
.faq-mark{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-size:12px;font-weight:800;
}
.faq-q .arrow{margin-left:auto;width:18px;height:18px;color:var(--text-3);transition:transform .24s var(--ease),color .24s var(--ease);}
.faq-item.open .faq-q .arrow{transform:rotate(180deg);color:var(--primary);}
.faq-item.open .faq-q::after{content:"";position:absolute;}
.faq-q{position:relative;}
.faq-item.open .faq-q::after{
  content:"";position:absolute;left:22px;right:22px;bottom:0;height:2px;background:var(--grad);border-radius:2px;
}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a-inner{padding:4px 22px 22px 60px;color:var(--text-2);font-size:15px;line-height:1.85;}

/* ============ CTA ============ */
.cta-card{
  position:relative;overflow:hidden;
  background:var(--grad);background-size:140% 100%;
  border-radius:var(--r-lg);padding:56px 48px;color:#fff;
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
  box-shadow:0 24px 60px rgba(255,90,45,.26);
}
.cta-card::before{
  content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.24),rgba(255,255,255,0) 70%);
}
.cta-card > *{position:relative;z-index:1;}
.cta-card h2{font-size:clamp(23px,2.8vw,32px);font-weight:800;letter-spacing:-.01em;line-height:1.3;}
.cta-card p{margin-top:12px;color:rgba(255,255,255,.9);font-size:16px;max-width:44em;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:30em;}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-top:18px;}
.footer-contact span{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62);}
.footer-contact svg{width:16px;height:16px;color:var(--accent);flex:0 0 auto;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.62);}
.footer-links a:hover{color:#fff;}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-search{width:190px;}
  .nav-link{padding:10px 10px;font-size:14.5px;}
}
@media (max-width:991px){
  .nav-links,.nav-search,.nav-cta{display:none;}
  .burger{display:grid;}
  .nav-inner{gap:16px;}
  .overview{grid-template-columns:1fr;padding:26px;}
  .overview-media img{height:200px;}
  .check-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-card{grid-template-columns:1fr;padding:44px 32px;}
  .alert-band{grid-template-columns:1fr;padding:32px 28px;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  .container{padding:0 16px;}
  .page-hero .container{padding-top:34px;padding-bottom:40px;}
  .overview{margin-top:-28px;}
  .timeline::before{left:15px;}
  .tl-item{grid-template-columns:32px 1fr;gap:16px;}
  .tl-num{width:32px;height:32px;font-size:12.5px;}
  .tl-card{padding:20px;}
  .check-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .faq-a-inner{padding-left:22px;}
  .cta-actions .btn,.alert-actions .btn{width:100%;}
}
@media (max-width:480px){
  .logo-text{font-size:15px;}
  .page-hero h1{font-size:26px;}
  .section-head h2{font-size:23px;}
  .hero-tag{font-size:12px;padding:7px 13px;}
}

/* roulang page: category4 */
:root{
  --primary:#FF5A2D;
  --primary-deep:#E03E12;
  --accent:#12B9A6;
  --accent-soft:#E6F7F5;
  --warm:#FFF6F1;
  --neutral:#F7F8FA;
  --white:#FFFFFF;
  --dark:#141821;
  --text:#1A1D23;
  --text-2:#5A6473;
  --text-3:#98A2B3;
  --border:#E8EBF0;
  --line:#EDF0F4;
  --warn:#F5A524;
  --error:#E5484D;
  --grad:linear-gradient(100deg,#FF5A2D 0%,#FF2E63 100%);
  --r-xl:26px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:16px;
  --r-pill:999px;
  --sh-1:0 6px 24px rgba(20,24,33,.06);
  --sh-2:0 16px 40px rgba(255,90,45,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sect:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary-deep)}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input{font:inherit;color:inherit}
svg{display:block}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1320px}}
.section{padding:var(--sect) 0}
.section-tight{padding:56px 0}
.sect-head{max-width:760px;margin-bottom:40px}
.sect-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--primary);background:var(--warm);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px}
.sect-title{font-size:clamp(24px,2.6vw,34px);font-weight:800}
.sect-desc{margin-top:14px;color:var(--text-2);font-size:16px}

/* header / nav */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--text);white-space:nowrap;flex:0 0 auto}
.brand:hover{color:var(--text)}
.logo-mark{width:32px;height:32px;border-radius:10px;background:var(--grad);color:#fff;display:grid;place-items:center;flex:0 0 32px}
.logo-mark svg{width:18px;height:18px}
.logo-text em{font-style:normal;color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{position:relative;padding:8px 12px;font-size:14.5px;color:var(--text-2);border-radius:10px;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;width:240px;height:42px;padding:0 16px;
  background:#F2F4F7;border:1px solid transparent;border-radius:var(--r-pill);
  transition:background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search svg{width:17px;height:17px;color:var(--text-3);flex:0 0 17px}
.nav-search input{width:100%;border:0;background:transparent;font-size:14px;outline:none}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(255,90,45,.12)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;white-space:nowrap;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-position .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn svg{width:17px;height:17px}
.btn-primary{color:#fff;background:var(--grad);background-size:130% 100%;background-position:0% 50%;box-shadow:0 8px 22px rgba(255,90,45,.24)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,90,45,.3);background-position:60% 50%}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{color:var(--text);background:#fff;border:1px solid var(--border)}
.btn-ghost:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-ghost:active{transform:translateY(0)}
.btn-soft{color:var(--primary);background:var(--warm);border:1px solid transparent}
.btn-soft:hover{color:var(--primary-deep);background:#FFEEE7}
.nav-cta{min-height:42px;padding:0 20px;font-size:14.5px;min-width:6em}
.burger{display:none;width:44px;height:44px;border-radius:12px;place-items:center;color:var(--text-2);border:1px solid var(--border);background:#fff}
.burger:hover{color:var(--primary);border-color:var(--primary)}
.burger svg{width:20px;height:20px}

/* drawer */
.drawer{position:fixed;inset:0;z-index:120;visibility:hidden;opacity:0;transition:opacity .24s var(--ease),visibility .24s var(--ease)}
.drawer.open{visibility:visible;opacity:1}
.drawer-mask{position:absolute;inset:0;background:rgba(20,24,33,.45)}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(360px,88vw);height:100%;
  background:#fff;padding:24px 20px 32px;overflow-y:auto;
  transform:translateX(100%);transition:transform .26s var(--ease);
  display:flex;flex-direction:column;gap:18px;
}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;border:1px solid var(--border)}
.drawer-close svg{width:18px;height:18px}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-links a{padding:12px 14px;border-radius:14px;color:var(--text-2);font-size:15.5px;font-weight:600}
.drawer-links a:hover{background:var(--neutral);color:var(--primary)}
.drawer-links a.active{background:var(--warm);color:var(--primary)}

/* hero */
.hero-banner{position:relative;overflow:hidden;background:var(--dark);padding:34px 0 74px}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
.hero-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(255,90,45,.92) 0%,rgba(255,46,99,.72) 55%,rgba(20,24,33,.72) 100%)}
.hero-inner{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.82);margin-bottom:26px;flex-wrap:wrap}
.crumbs a{color:rgba(255,255,255,.82)}
.crumbs a:hover{color:#fff}
.crumb-current{color:#fff;font-weight:600;max-width:62%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#fff;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px}
.hero-banner h1{color:#fff;font-size:clamp(28px,4vw,48px);font-weight:800;max-width:820px}
.hero-sub{margin-top:16px;color:rgba(255,255,255,.9);font-size:clamp(15px,1.5vw,18px);max-width:660px}
.hero-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:14px}
.hero-actions .btn-ghost{background:rgba(255,255,255,.96);border-color:transparent}

/* badge bar */
.badge-bar{
  position:relative;z-index:3;margin-top:-46px;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:22px 24px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.badge-item{display:flex;flex-direction:column;gap:4px;position:relative;padding-left:16px}
.badge-item::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad)}
.badge-num{font-size:24px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em;color:var(--text)}
.badge-num em{font-style:normal;font-size:15px;font-weight:700;color:var(--primary);margin-left:2px}
.badge-text{font-size:13px;color:var(--text-2)}

/* intro */
.intro{padding-top:64px}
.intro-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:start}
.intro p{color:var(--text-2);font-size:16.5px}
.intro p + p{margin-top:1.1em}
.intro-side{background:var(--neutral);border-radius:var(--r-lg);padding:26px;border:1px solid var(--border)}
.intro-side h3{font-size:18px;margin-bottom:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;padding:9px 0;font-size:15px;color:var(--text-2);border-bottom:1px dashed var(--border)}
.check-list li:last-child{border-bottom:0}
.check-list svg{width:19px;height:19px;color:var(--accent);flex:0 0 19px;margin-top:4px}

/* staggered falls */
.falls{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;align-items:start}
.falls-col{display:grid;gap:28px}
.falls-col.offset{margin-top:32px}
.post-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#FFD9C9}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EEF1F5}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .34s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-tag{
  position:absolute;left:14px;top:14px;z-index:2;
  font-size:12.5px;font-weight:700;color:var(--primary);background:rgba(255,246,241,.96);
  border-radius:var(--r-pill);padding:5px 12px;
}
.post-body{padding:22px 22px 18px}
.post-body h3{font-size:19px;font-weight:700;margin-bottom:10px}
.post-desc{color:var(--text-2);font-size:15.5px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{display:flex;align-items:center;justify-content:space-between;padding:14px 22px 20px;border-top:1px solid var(--line)}
.post-time{font-size:13px;color:var(--text-3)}
.post-go{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--neutral);color:var(--text-2);transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease)}
.post-go svg{width:16px;height:16px}
.post-card:hover .post-go{background:var(--grad);color:#fff;transform:translateX(2px)}

/* dark band spec */
.band-dark{position:relative;background:var(--dark);color:#fff;overflow:hidden}
.band-dark::before{content:"";position:absolute;left:-10%;top:-40%;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(255,90,45,.28),transparent 68%)}
.band-dark .wrap{position:relative;z-index:2}
.band-dark .sect-title{color:#fff}
.band-dark .sect-desc{color:rgba(255,255,255,.72)}
.band-dark .sect-kicker{background:rgba(255,255,255,.08);color:#FFB49B;border:1px solid rgba(255,255,255,.16)}
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px}
.spec{
  padding:24px 22px;border-radius:var(--r-md);
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.13);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:background .24s var(--ease),transform .24s var(--ease);
}
.spec:hover{background:rgba(255,255,255,.09);transform:translateY(-3px)}
.spec-icon{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:rgba(255,90,45,.18);color:#FF8A65;margin-bottom:16px}
.spec-icon svg{width:20px;height:20px}
.spec-label{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:8px}
.spec-value{font-size:20px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.spec-note{margin-top:10px;font-size:13.5px;color:rgba(255,255,255,.66)}

/* flow timeline */
.flow{position:relative;max-width:920px;margin:0 auto}
.flow::before{content:"";position:absolute;left:24px;top:12px;bottom:12px;width:2px;background:linear-gradient(180deg,rgba(255,90,45,.55),rgba(18,185,166,.35))}
.flow-item{position:relative;padding-left:72px;margin-bottom:26px}
.flow-item:last-child{margin-bottom:0}
.flow-num{
  position:absolute;left:0;top:0;width:50px;height:50px;border-radius:50%;
  display:grid;place-items:center;background:#fff;border:2px solid #FFD3C3;
  color:var(--primary);font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
  box-shadow:var(--sh-1);
}
.flow-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:22px 24px;box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.flow-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.flow-card h3{font-size:19px;margin-bottom:8px}
.flow-card p{color:var(--text-2);font-size:15.5px}
.flow-card .mini-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.mini-tag{font-size:12.5px;font-weight:600;color:var(--accent);background:var(--accent-soft);border-radius:var(--r-pill);padding:5px 12px}

/* faq */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  padding:0 22px;margin-bottom:12px;box-shadow:var(--sh-1);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item:hover{border-color:#FFD9C9}
.faq-item[open]{box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:18px 0;font-size:16.5px;font-weight:600;color:var(--text);
  background-image:var(--grad);background-size:0% 2px;background-repeat:no-repeat;background-position:left bottom;
  transition:background-size .26s var(--ease),color .22s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item[open] summary{background-size:100% 2px;color:var(--primary)}
.faq-q{width:24px;height:24px;border-radius:8px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;flex:0 0 24px}
.faq-arrow{margin-left:auto;color:var(--text-3);transition:transform .26s var(--ease),color .22s var(--ease)}
.faq-arrow svg{width:18px;height:18px}
.faq-item[open] .faq-arrow{transform:rotate(180deg);color:var(--primary)}
.faq-a{padding:0 0 20px 38px;color:var(--text-2);font-size:15.5px;line-height:1.85}

/* cta */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);color:#fff;padding:52px 48px;
  display:grid;grid-template-columns:1.4fr auto;gap:32px;align-items:center;
  box-shadow:0 26px 60px rgba(255,90,45,.26);
}
.cta-card::after{content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.14)}
.cta-card h2{color:#fff;font-size:clamp(22px,2.6vw,32px);font-weight:800}
.cta-card p{margin-top:12px;color:rgba(255,255,255,.92);max-width:620px;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2}
.cta-actions .btn-light{background:#fff;color:var(--primary);border:1px solid transparent}
.cta-actions .btn-light:hover{color:var(--primary-deep);transform:translateY(-2px);box-shadow:0 14px 30px rgba(20,24,33,.18)}
.cta-actions .btn-outline{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.55)}
.cta-actions .btn-outline:hover{color:#fff;background:rgba(255,255,255,.22);transform:translateY(-2px)}

/* footer */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:var(--sect)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
.site-footer .brand{color:#fff;font-size:17px;margin-bottom:16px}
.site-footer .brand:hover{color:#fff}
.site-footer .brand .logo-text em{color:#FF8A65}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-top:20px}
.footer-contact span{display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(255,255,255,.66)}
.footer-contact svg{width:17px;height:17px;color:#FF8A65;flex:0 0 17px}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.62)}
.footer-links a:hover{color:#FF8A65}
.footer-bottom{padding-top:22px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.44)}

/* reveal */
html.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
html.js .reveal.is-in{opacity:1;transform:none}

/* responsive */
@media (max-width:1199px){
  .nav-search{width:190px}
  .nav-link{padding:8px 9px;font-size:14px}
  .spec-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  :root{--sect:64px}
  .nav-links,.nav-search{display:none}
  .burger{display:grid}
  .nav-right{margin-left:auto;gap:10px}
  .nav-cta{min-height:40px;padding:0 16px;font-size:14px}
  .badge-bar{grid-template-columns:repeat(2,1fr)}
  .intro-grid{grid-template-columns:1fr;gap:28px}
  .cta-card{grid-template-columns:1fr;padding:40px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sect:56px}
  body{font-size:16px}
  .container{padding:0 16px}
  .hero-banner{padding:26px 0 66px}
  .badge-bar{grid-template-columns:1fr;margin-top:-40px;padding:20px}
  .falls{grid-template-columns:1fr;gap:20px}
  .falls-col{gap:20px}
  .falls-col.offset{margin-top:0}
  .spec-grid{grid-template-columns:1fr}
  .flow::before{left:20px}
  .flow-item{padding-left:60px}
  .flow-num{width:42px;height:42px;font-size:14px}
  .faq-a{padding-left:0}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:480px){
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .brand{font-size:15.5px}
  .logo-text{white-space:normal;line-height:1.25}
  .post-body{padding:18px 18px 14px}
  .post-foot{padding:12px 18px 18px}
}