/* roulang page: index */
*,*::before,*::after{box-sizing:border-box}
:root{
  --ink:#14181B;
  --ink-2:#3A4247;
  --mist:#8FA8A4;
  --mist-100:#DCE5E3;
  --paper:#F6F6F3;
  --card:#FFFFFF;
  --soft:#F1F3F2;
  --dawn:#E8552A;
  --dawn-600:#C6431D;
  --r-card:16px;
  --r-panel:24px;
  --r-btn:10px;
  --r-img:14px;
  --r-nav:20px;
  --sh-1:0 1px 2px rgba(20,24,27,.04);
  --sh-2:0 10px 24px -8px rgba(20,24,27,.14);
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--ink-2);
  background:var(--paper);
  overflow-x:hidden;
}
body.is-locked{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.26;letter-spacing:-0.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,textarea{font:inherit}
:focus-visible{outline:2px solid var(--dawn);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 48px}
.section{padding:96px 0}
.section-tight{padding:56px 0}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:12px;z-index:80;padding:16px 16px 0}
.nav-panel{
  position:relative;
  max-width:1200px;
  margin:0 auto;
  background:var(--card);
  border:1px solid var(--mist-100);
  border-radius:var(--r-nav);
  box-shadow:var(--sh-1);
  display:flex;
  align-items:center;
  gap:18px;
  padding:12px 16px;
  transition:box-shadow .25s ease,padding .25s ease;
}
.site-header.is-scrolled .nav-panel{box-shadow:var(--sh-2);padding:8px 16px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--ink);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;letter-spacing:0;
}
.brand-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:6px}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 14px;border-radius:12px;
  background:var(--soft);border:1px solid transparent;
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.nav-item svg{width:16px;height:16px;flex:0 0 auto}
.nav-item:hover{background:#fff;border-color:var(--mist);transform:translateY(-2px);box-shadow:var(--sh-1)}
.nav-item.is-active{background:var(--ink);color:#fff}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:12px;background:var(--soft);
  align-items:center;justify-content:center;border:1px solid transparent;
}
.nav-burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-burger span::before{top:-6px}
.nav-burger span::after{top:6px}
.nav-mobile-extra{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn svg{width:16px;height:16px;transition:transform .2s ease}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--dawn);color:#fff}
.btn-primary:hover{background:var(--dawn-600);transform:scale(1.02)}
.btn-primary:active{transform:translateY(1px)}
.btn-secondary{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-secondary:hover{background:var(--ink);color:#fff}
.btn-secondary:active{transform:translateY(1px)}
.btn-ghost{height:auto;padding:0;color:var(--dawn);font-weight:700;font-size:15px}
.btn-ghost:hover{color:var(--dawn-600)}
.btn-block{width:100%}
.link-inline{color:inherit;text-decoration:underline;text-underline-offset:3px}

/* ---------- 通用组件 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;background:var(--soft);
  border:1px solid var(--mist-100);
  font-size:12.5px;font-weight:600;color:var(--ink-2);letter-spacing:.08em;
}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;background:var(--soft);
  border:1px solid var(--mist-100);
  font-size:12px;font-weight:600;color:var(--ink-2);letter-spacing:.08em;
  white-space:nowrap;
}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:clamp(22px,2.6vw,34px)}
.section-head p{margin-top:10px;font-size:15px;color:var(--mist)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--dawn)}
.link-arrow svg{width:16px;height:16px;transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(4px)}
.link-arrow:hover{color:var(--dawn-600)}

/* ---------- Hero ---------- */
.hero{padding:52px 0 72px}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center;min-height:580px}
.hero-copy h1{font-size:clamp(28px,4.2vw,50px);margin:22px 0 18px}
.hero-sub{font-size:17px;color:var(--ink-2);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 26px}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px}
.hero-trust li{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--mist);font-weight:600}
.hero-trust svg{width:16px;height:16px;color:var(--dawn)}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;height:100%;min-height:430px;object-fit:cover;
  border-radius:var(--r-nav);border:1px solid var(--mist-100);
}
.hero-chip{
  position:absolute;left:20px;bottom:20px;
  display:flex;align-items:center;gap:14px;
  background:var(--card);border:1px solid var(--mist-100);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:16px 20px;
}
.chip-num{font-size:30px;font-weight:800;color:var(--dawn);font-variant-numeric:tabular-nums;line-height:1}
.chip-text{font-size:12.5px;color:var(--ink-2);line-height:1.5;letter-spacing:.04em}

/* ---------- 痛点 ---------- */
.problem-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:56px;align-items:start}
.problem-lead h2{font-size:clamp(24px,3.1vw,38px);line-height:1.32}
.problem-lead p{margin-top:20px;font-size:16px;color:var(--ink-2);max-width:30em}
.problem-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.problem-cards{display:grid;gap:16px}
.num-card{
  position:relative;overflow:hidden;
  background:var(--soft);border:1px solid transparent;border-left:3px solid transparent;
  border-radius:var(--r-card);padding:22px 26px;
  transition:background .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.num-card .num{
  font-size:13px;font-weight:800;color:var(--dawn);
  font-variant-numeric:tabular-nums;letter-spacing:.1em;
}
.num-card h3{font-size:19px;margin:8px 0 6px}
.num-card p{font-size:15px;color:var(--ink-2)}
.num-card:hover{background:#fff;border-color:var(--mist-100);border-left-color:var(--dawn);transform:translateY(-3px);box-shadow:var(--sh-2)}

/* ---------- 方案卡片 ---------- */
.solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.sol-card{
  position:relative;overflow:hidden;
  background:var(--card);border:1px solid var(--mist-100);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:180px 1fr;gap:20px;align-items:center;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.sol-card::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--dawn);transition:width .3s ease}
.sol-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--mist)}
.sol-card:hover::after{width:100%}
.sol-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img)}
.sol-body h3{font-size:19px;margin:10px 0 8px}
.sol-body p{font-size:15px;color:var(--ink-2);margin-bottom:12px}

/* ---------- 转化条 ---------- */
.convert-bar{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  background:var(--card);border:1px solid var(--mist-100);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:20px 28px;
}
.convert-bar p{font-size:16px;font-weight:700;color:var(--ink)}

/* ---------- 数据面板 ---------- */
.stats-panel{
  position:relative;overflow:hidden;
  background:var(--ink);border-radius:var(--r-panel);
  padding:56px 48px 52px;color:#C3CFCD;
}
.stats-panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:52px 52px;
}
.stats-head{position:relative;max-width:640px;margin-bottom:44px}
.stats-head h2{color:#fff;font-size:clamp(22px,2.6vw,34px)}
.stats-head p{margin-top:12px;font-size:15px;color:#9DABA8}
.stats-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stat-num{
  font-size:clamp(38px,4vw,52px);font-weight:800;color:var(--dawn);
  font-variant-numeric:tabular-nums;line-height:1;letter-spacing:-0.02em;
}
.stat-unit{font-size:15px;font-weight:700;color:var(--dawn);margin-left:4px;letter-spacing:0}
.stat-label{margin-top:12px;font-size:15px;font-weight:700;color:#fff}
.stat p{margin-top:8px;font-size:13.5px;color:#9DABA8;line-height:1.7}

/* ---------- 资讯 ---------- */
.news-list{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:start}
.news-lead{
  background:var(--card);border:1px solid var(--mist-100);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;
}
.news-lead:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.news-lead img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-lead-body{padding:22px 24px 24px}
.news-lead-body h3{font-size:20px;margin:12px 0 10px;line-height:1.4}
.news-summary{font-size:15px;color:var(--ink-2);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:16px;margin-top:18px}
.news-time{font-size:13px;color:var(--mist);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.news-rows{display:grid;gap:10px}
.news-row{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;
  min-height:56px;padding:12px 16px;
  background:var(--card);border:1px solid var(--mist-100);border-radius:12px;
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.news-row:hover{background:#fff;border-color:var(--mist);transform:translateX(2px)}
.news-title{font-size:15px;font-weight:600;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-empty{
  border:1px dashed var(--mist);border-radius:var(--r-card);background:var(--soft);
  padding:36px 28px;text-align:center;
}
.news-empty svg{width:26px;height:26px;color:var(--mist);margin:0 auto 12px}
.news-empty strong{display:block;font-size:16px;color:var(--ink)}
.news-empty span{display:block;margin-top:8px;font-size:13.5px;color:var(--mist)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.faq-list{border-top:1px solid var(--mist-100)}
.faq-item{border-bottom:1px solid var(--mist-100)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;font-size:17.5px;font-weight:700;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--dawn)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--mist-100);display:inline-flex;align-items:center;justify-content:center;
  transition:transform .3s ease,background .3s ease,border-color .3s ease;
}
.faq-icon svg{width:13px;height:13px;color:var(--ink-2)}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(180deg);background:var(--soft);border-color:var(--mist)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 44px 22px 4px;font-size:15.5px;color:var(--ink-2);line-height:1.78}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:var(--card);border:1px solid var(--mist-100);border-radius:var(--r-panel);
  box-shadow:var(--sh-1);padding:44px 48px;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px)}
.cta-band p{margin-top:12px;font-size:15.5px;color:var(--ink-2);max-width:38em}
.privacy-note{margin-top:18px;font-size:12.5px;color:var(--mist);line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B4C0BE;margin-top:72px;padding:68px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-mark{background:var(--dawn)}
.footer-brand p{margin-top:18px;font-size:14px;color:#9DABA8;max-width:22em}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:12px}
.footer-col li{font-size:14px;color:#9DABA8}
.footer-col a{transition:color .2s ease}
.footer-col a:hover{color:var(--dawn)}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:#8B9795;
}

/* ---------- 抽屉表单 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,24,27,.6);z-index:100;
  opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(440px,100%);z-index:101;
  background:var(--card);border-radius:20px 0 0 20px;
  box-shadow:-10px 0 40px rgba(20,24,27,.2);
  transform:translateX(105%);transition:transform .38s cubic-bezier(.22,.61,.36,1);
  display:flex;flex-direction:column;padding:30px 28px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:8px}
.drawer-head h2{font-size:22px}
.drawer-head p{margin-top:8px;font-size:13.5px;color:var(--mist)}
.drawer-close{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:var(--soft);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .2s ease;
}
.drawer-close:hover{background:var(--mist-100)}
.drawer-close svg{width:15px;height:15px;color:var(--ink)}
.form-body{margin-top:24px;display:grid;gap:16px}
.field{display:grid;gap:8px}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field input,.field textarea{
  width:100%;background:var(--paper);color:var(--ink);
  border:1px solid var(--mist-100);border-radius:var(--r-btn);
  height:48px;padding:0 14px;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:110px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 2px var(--dawn)}
.field input::placeholder,.field textarea::placeholder{color:#A9B4B1}
.checkbox{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--mist);line-height:1.6}
.checkbox input{width:18px;height:18px;margin-top:2px;flex:0 0 auto;accent-color:var(--dawn)}
.form-foot-note{font-size:12.5px;color:var(--mist);line-height:1.7}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.is-visible{
  opacity:1;transform:none;
  transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1);
}
@media (prefers-reduced-motion:reduce){
  .reveal,.reveal.is-visible{opacity:1;transform:none;transition:none}
  .btn:hover svg,.link-arrow:hover svg{transform:none}
  .sol-card:hover,.news-lead:hover,.num-card:hover{transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 32px}
  .hero-grid{gap:40px;min-height:520px}
  .sol-card{grid-template-columns:150px 1fr}
}
@media (max-width:991px){
  .nav-links{margin-left:0}
  .nav-item{padding:0 12px;font-size:13.5px}
  .hero-grid{grid-template-columns:1fr;gap:36px;min-height:0}
  .hero-visual img{min-height:360px}
  .problem-grid{grid-template-columns:1fr;gap:36px}
  .section{padding:72px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .news-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .site-header{padding:12px 12px 0;top:8px}
  .nav-links{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    background:var(--card);border:1px solid var(--mist-100);border-radius:var(--r-nav);
    box-shadow:var(--sh-2);padding:12px;flex-direction:column;align-items:stretch;gap:8px;
    display:none;
  }
  .nav-links.is-open{display:flex}
  .nav-item{height:48px;justify-content:flex-start;width:100%;font-size:15px}
  .nav-actions .btn{display:none}
  .nav-burger{display:inline-flex}
  .nav-mobile-extra{display:block;border-top:1px solid var(--mist-100);padding-top:12px;margin-top:4px;font-size:13.5px;color:var(--mist)}
  .nav-mobile-extra .btn{margin-top:12px}
  .solution-grid{grid-template-columns:1fr}
  .sol-card{grid-template-columns:1fr}
  .sol-card img{aspect-ratio:16/9}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .hero{padding:34px 0 48px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .hero-visual img{min-height:280px;border-radius:var(--r-card)}
  .hero-chip{left:12px;bottom:12px;padding:12px 16px}
  .stats-panel{padding:36px 22px 34px}
  .stats-grid{grid-template-columns:1fr;gap:24px}
  .convert-bar{flex-direction:column;align-items:flex-start;gap:14px;padding:20px}
  .convert-bar .btn{width:100%}
  .news-row{grid-template-columns:1fr;gap:6px;height:auto;padding:14px 16px}
  .news-title{white-space:normal}
  .faq-q{font-size:16px;padding:18px 2px}
  .faq-a p{padding:0 34px 18px 2px}
  .cta-band{padding:28px 22px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:48px 0 0;margin-top:48px}
  .drawer{width:100%;border-radius:0;padding:24px 20px}
}
@media (max-width:480px){
  .brand-text{font-size:16px}
  .hero-copy h1{margin:16px 0 14px}
  .hero-trust{gap:14px}
  .hero-trust li{font-size:13px}
  .news-lead-body{padding:18px 18px 20px}
}

/* roulang page: article */
/* ===== 设计令牌 ===== */
:root{
  --ink:#14181B;
  --ink-2:#3A4247;
  --mist:#8FA8A4;
  --mist-100:#DCE5E3;
  --paper:#F6F6F3;
  --card:#FFFFFF;
  --soft:#F1F3F2;
  --dawn:#E8552A;
  --dawn-600:#C6431D;
  --r-card:16px;
  --r-panel:24px;
  --r-btn:10px;
  --r-img:14px;
  --r-nav:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,24,27,.04);
  --sh-2:0 10px 24px -8px rgba(20,24,27,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
/* ===== reset / base ===== */
*,*::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-2);
  background:var(--paper);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.01em;line-height:1.28}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--dawn);outline-offset:2px}
::selection{background:rgba(232,85,42,.18)}
.container{max-width:1200px;margin:0 auto;padding:0 48px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  height:44px;padding:0 20px;cursor:pointer;
  transition:background-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;transition:transform .22s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--dawn);color:#fff}
.btn-primary:hover{background:var(--dawn-600);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-secondary{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-secondary:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn-block{width:100%}
.link-inline{background:none;border:0;padding:0;color:inherit;font:inherit;cursor:pointer;text-align:left;transition:color .22s var(--ease)}
.link-inline:hover{color:var(--dawn)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.08em;font-weight:600;
  color:var(--ink-2);background:var(--mist-100);
  border-radius:var(--r-pill);padding:5px 12px;line-height:1.4;
}
/* ===== 导航 ===== */
.site-header{position:sticky;top:12px;z-index:60;padding:16px 20px 0}
.nav-panel{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:16px;
  background:var(--card);border:1px solid var(--mist-100);
  border-radius:var(--r-nav);box-shadow:var(--sh-1);
  padding:12px 18px;
  transition:padding .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.is-scrolled .nav-panel{padding:8px 16px;box-shadow:var(--sh-2)}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--ink);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;letter-spacing:0;
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.01em;line-height:1}
.nav-links{display:flex;align-items:center;gap:8px;flex:1;justify-content:center}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;
  height:42px;padding:0 14px;border-radius:12px;
  background:var(--soft);border:1px solid transparent;
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:background-color .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.nav-item svg{width:16px;height:16px;flex:0 0 auto}
.nav-item:hover{background:#fff;border-color:var(--mist-100);transform:translateY(-2px);color:var(--ink)}
.nav-item.is-active{background:var(--ink);color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-mobile-extra{display:none}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--soft);border:1px solid var(--mist-100);cursor:pointer;
  position:relative;
}
.nav-burger span,
.nav-burger span::before,
.nav-burger span::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.nav-burger span{top:21px}
.nav-burger span::before{top:-6px}
.nav-burger span::after{top:6px}
.nav-burger.is-open span{background:transparent}
.nav-burger.is-open span::before{transform:translateX(-50%) translateY(6px) rotate(45deg)}
.nav-burger.is-open span::after{transform:translateX(-50%) translateY(-6px) rotate(-45deg)}
/* ===== 面包屑 ===== */
.crumbs{padding:28px 0 0;font-size:13px;color:var(--mist)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs li{display:inline-flex;align-items:center;gap:8px;min-width:0}
.crumbs li::after{content:"/";color:var(--mist-100)}
.crumbs li:last-child::after{content:""}
.crumbs a{color:var(--ink-2);font-weight:600}
.crumbs a:hover{color:var(--dawn)}
.crumb-current{color:var(--mist);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom}
/* ===== 文章布局 ===== */
.article-wrap{padding:24px 0 0}
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 300px;
  gap:48px;justify-content:center;align-items:start;
  padding-bottom:80px;
}
.article-main{min-width:0}
.article-head{padding:16px 0 24px;border-bottom:1px solid var(--mist-100)}
.article-head .badge{margin-bottom:14px}
.article-head h1{
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.3;letter-spacing:-.015em;
  margin-bottom:16px;word-break:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;
  font-size:13px;color:var(--mist);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta svg{width:14px;height:14px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--mist-100)}
.article-cover{margin:28px 0 0}
.article-cover img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-card);border:1px solid var(--mist-100);
}
.article-cover figcaption{margin-top:10px;font-size:13px;color:var(--mist)}
/* ===== 正文 ===== */
.article-body{padding:32px 0 8px;font-size:16px;line-height:1.8;color:var(--ink-2);text-align:left;word-break:break-word}
.article-body>*+*{margin-top:1.1em}
.article-body h2{
  font-size:clamp(20px,2.2vw,26px);
  margin-top:40px;padding-left:14px;
  border-left:3px solid var(--dawn);
  line-height:1.4;
}
.article-body h3{font-size:19px;margin-top:28px}
.article-body h4{font-size:17px;margin-top:22px;color:var(--ink)}
.article-body p{margin-top:1.1em}
.article-body ul,
.article-body ol{margin-top:1.1em;padding-left:4px}
.article-body li{position:relative;padding-left:18px;margin:8px 0}
.article-body li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:6px;height:6px;border-radius:50%;background:var(--mist);
}
.article-body ol{counter-reset:art}
.article-body ol li{counter-increment:art}
.article-body ol li::before{
  content:counter(art);width:auto;height:auto;background:none;
  top:0;left:0;color:var(--dawn);font-weight:700;font-size:14px;border-radius:0;
}
.article-body ol li{padding-left:22px}
.article-body a{color:var(--dawn-600);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--dawn)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body blockquote{
  background:var(--soft);border-left:3px solid var(--dawn);
  border-radius:0 12px 12px 0;padding:16px 20px;color:var(--ink-2);font-size:15.5px;
}
.article-body blockquote p{margin:0}
.article-body img{width:100%;border-radius:var(--r-img);border:1px solid var(--mist-100);margin-top:1.2em}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin-top:1.2em}
.article-body th,
.article-body td{border:1px solid var(--mist-100);padding:10px 14px;text-align:left}
.article-body th{background:var(--soft);color:var(--ink);font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--mist-100);margin:32px 0}
.article-body code{background:var(--soft);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--ink)}
/* ===== 标签 ===== */
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--mist-100)}
/* ===== 继续了解 ===== */
.related{margin-top:56px}
.related-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px}
.related-head h2{font-size:clamp(20px,2.2vw,26px)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.related-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--mist-100);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  overflow:hidden;position:relative;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.related-card::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--dawn);transform:scaleX(0);transform-origin:left;
  transition:transform .32s var(--ease);
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--mist)}
.related-card:hover::after{transform:scaleX(1)}
.related-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.related-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-body h3{font-size:17px;line-height:1.45}
.related-body p{font-size:14px;color:var(--mist);line-height:1.7}
.ghost-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--dawn-600);margin-top:auto;
}
.ghost-link svg{width:15px;height:15px;transition:transform .22s var(--ease)}
.ghost-link:hover{color:var(--dawn)}
.related-card:hover .ghost-link svg{transform:translateX(4px)}
/* ===== 侧栏 ===== */
.article-side{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--mist-100);
  border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px;
}
.side-card h3{font-size:16px;margin-bottom:12px}
.side-card p{font-size:14px;color:var(--mist);line-height:1.75}
.side-list{margin-top:14px;border-top:1px solid var(--mist-100)}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:52px;border-bottom:1px solid var(--mist-100);
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:background-color .2s var(--ease),transform .2s var(--ease),color .2s var(--ease);
  padding:0 8px;margin-left:-8px;margin-right:-8px;border-radius:8px;
}
.side-list a:hover{background:var(--soft);transform:translateX(2px);color:var(--ink)}
.side-list a svg{width:14px;height:14px;color:var(--mist)}
.side-dark{
  background:var(--ink);border-color:var(--ink);color:rgba(255,255,255,.76);
}
.side-dark h3{color:#fff}
.side-dark p{color:rgba(255,255,255,.66)}
.side-dark .btn{margin-top:16px}
.side-note{margin-top:12px;font-size:12px;color:rgba(255,255,255,.5);line-height:1.7}
/* ===== 空态 ===== */
.empty-state{
  margin-top:32px;padding:36px 24px;text-align:center;
  background:var(--soft);border:1px dashed var(--mist);
  border-radius:var(--r-card);
}
.empty-state svg{width:28px;height:28px;color:var(--mist);margin:0 auto 12px}
.empty-state strong{display:block;color:var(--ink);font-size:17px;margin-bottom:6px}
.empty-state p{font-size:14px;color:var(--mist)}
.empty-state a{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  font-size:14px;font-weight:700;color:var(--dawn-600);
}
.empty-state a:hover{color:var(--dawn)}
/* ===== 转化条 ===== */
.cta-band{padding:0 0 88px}
.cta-panel{
  background:var(--ink);border-radius:var(--r-panel);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;position:relative;overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:44px 44px;pointer-events:none;
}
.cta-copy{position:relative;max-width:640px}
.cta-copy h2{color:#fff;font-size:clamp(20px,2.4vw,28px);margin-bottom:10px}
.cta-copy p{color:rgba(255,255,255,.7);font-size:15px}
.cta-panel .btn{position:relative}
/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand .brand-mark{background:var(--dawn)}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.62);max-width:280px}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--dawn)}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.5);
}
/* ===== 弹层表单 ===== */
.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.is-open{display:block}
.modal-mask{position:absolute;inset:0;background:rgba(20,24,27,.6);animation:fadeIn .24s var(--ease)}
.modal-panel{
  position:relative;margin:6vh auto 0;width:min(520px,calc(100% - 40px));
  background:var(--card);border-radius:var(--r-nav);box-shadow:var(--sh-2);
  padding:28px;animation:riseIn .32s var(--ease);
  max-height:88vh;overflow:auto;
}
.modal-close{
  position:absolute;top:14px;right:14px;width:40px;height:40px;border-radius:12px;
  background:var(--soft);border:1px solid var(--mist-100);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);
}
.modal-close:hover{background:var(--mist-100)}
.modal-close svg{width:16px;height:16px}
.modal-panel h2{font-size:21px;margin-bottom:8px}
.modal-panel .modal-sub{font-size:14px;color:var(--mist);margin-bottom:22px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field input,
.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--mist-100);background:#fff;font-family:inherit;
  font-size:15px;color:var(--ink);transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,
.field textarea::placeholder{color:var(--mist)}
.field input:focus,
.field textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(232,85,42,.22)}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--mist);line-height:1.6}
.check-row input{width:16px;height:16px;margin-top:3px;accent-color:var(--dawn)}
.form-note{font-size:12px;color:var(--mist);margin-top:14px;line-height:1.7}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes riseIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
/* ===== 入场动效 ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s var(--ease),transform .48s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
/* ===== 响应式 ===== */
@media (max-width:1199px){
  .container{padding:0 32px}
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:32px}
}
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-bottom:64px}
  .article-side{position:static;margin-top:48px;flex-direction:row;flex-wrap:wrap}
  .article-side .side-card{flex:1 1 300px}
}
@media (max-width:991px){
  .site-header{padding:12px 16px 0}
  .nav-panel{gap:12px}
  .nav-burger{display:inline-flex}
  .nav-actions .btn-primary{display:none}
  .nav-links{
    position:fixed;left:16px;right:16px;top:84px;
    display:none;flex-direction:column;align-items:stretch;gap:8px;
    background:var(--card);border:1px solid var(--mist-100);
    border-radius:var(--r-nav);box-shadow:var(--sh-2);padding:14px;
    max-height:calc(100vh - 110px);overflow:auto;
  }
  .nav-links.is-open{display:flex}
  .nav-item{height:48px;justify-content:flex-start;font-size:15px}
  .nav-mobile-extra{display:block;margin-top:10px;padding-top:14px;border-top:1px solid var(--mist-100)}
  .nav-mobile-extra p{font-size:13px;color:var(--mist);margin-bottom:12px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .crumbs{padding-top:20px}
  .crumb-current{max-width:180px}
  .article-head h1{font-size:clamp(24px,6vw,30px)}
  .article-body{font-size:16px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .cta-panel{padding:32px 22px}
  .cta-panel .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .modal-panel{margin:0;width:100%;height:100%;max-height:100%;border-radius:0;padding:24px 20px}
  .article-side{flex-direction:column}
}
@media (max-width:480px){
  .brand-text{font-size:15px}
  .btn{padding:0 16px;font-size:14px}
  .nav-item{font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --ink:#14181B;
  --ink-2:#3A4247;
  --mist:#8FA8A4;
  --mist-100:#DCE5E3;
  --paper:#F6F6F3;
  --card:#FFFFFF;
  --dawn:#E8552A;
  --dawn-600:#C6431D;
  --r-card:16px;
  --r-panel:24px;
  --r-btn:10px;
  --r-img:14px;
  --r-nav:20px;
  --sh:0 1px 2px rgba(20,24,27,.04);
  --sh-hover:0 10px 24px -8px rgba(20,24,27,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--ink-2);
  background:var(--paper);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.nav-open,body.drawer-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;line-height:1.28;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
:focus-visible{outline:2px solid var(--dawn);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 48px;width:100%}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:12px;z-index:60;padding:16px 24px 0}
.nav-panel{
  max-width:1200px;margin:0 auto;background:var(--card);
  border:1px solid var(--mist-100);border-radius:var(--r-nav);
  box-shadow:var(--sh);display:flex;align-items:center;gap:16px;
  padding:10px 14px;transition:box-shadow .3s var(--ease),padding .3s var(--ease);
}
.site-header.is-stuck .nav-panel{box-shadow:0 10px 24px -12px rgba(20,24,27,.22);padding:8px 14px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--ink);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:16px;flex:0 0 auto;
}
.brand-text{font-weight:800;font-size:17px;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:10px;flex:1 1 auto;min-width:0}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;height:42px;padding:0 14px;
  border-radius:12px;background:#F1F3F2;border:1px solid transparent;
  color:var(--ink-2);font-size:14px;font-weight:600;white-space:nowrap;
  transition:transform .25s var(--ease),background .25s,color .25s,border-color .25s,box-shadow .25s;
}
.nav-item svg{width:16px;height:16px;flex:0 0 auto}
.nav-item:hover{background:#fff;border-color:var(--mist-100);color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh)}
.nav-item.is-active{background:var(--ink);border-color:var(--ink);color:#fff}
.nav-mobile-extra{display:none}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}
.nav-burger{
  display:none;width:40px;height:40px;border-radius:12px;background:#F1F3F2;
  border:1px solid transparent;cursor:pointer;position:relative;
}
.nav-burger span,.nav-burger::before,.nav-burger::after{
  content:"";position:absolute;left:11px;right:11px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .28s var(--ease),opacity .28s var(--ease);
}
.nav-burger span{top:50%;transform:translateY(-1px)}
.nav-burger::before{top:14px}
.nav-burger::after{bottom:14px}
body.nav-open .nav-burger span{opacity:0}
body.nav-open .nav-burger::before{transform:translateY(6px) rotate(45deg)}
body.nav-open .nav-burger::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 20px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;background:transparent;
  transition:background .25s,color .25s,border-color .25s,transform .25s var(--ease),box-shadow .25s;
}
.btn svg{width:16px;height:16px;transition:transform .25s var(--ease)}
.btn-primary{background:var(--dawn);color:#fff}
.btn-primary:hover{background:var(--dawn-600);transform:scale(1.02)}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-primary:active{transform:translateY(1px) scale(1)}
.btn-secondary{border-color:var(--ink);color:var(--ink)}
.btn-secondary:hover{background:var(--ink);color:#fff}
.btn-block{width:100%}
.link-inline{
  background:none;border:0;padding:0;cursor:pointer;color:inherit;
  font-size:inherit;text-align:left;border-bottom:1px solid transparent;
  transition:color .25s,border-color .25s;
}
.link-inline:hover{color:var(--dawn);border-color:var(--dawn)}
.ghost-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--dawn);
}
.ghost-link svg{width:15px;height:15px;transition:transform .25s var(--ease)}
.ghost-link:hover svg{transform:translateX(4px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;background:var(--mist-100);color:var(--ink-2);
  font-size:12px;font-weight:700;letter-spacing:.08em;white-space:nowrap;
}
.badge--light{background:rgba(255,255,255,.9);color:var(--ink)}

/* ---------- 分类页头图 ---------- */
.page-hero{padding:32px 0 0}
.page-hero__media{
  position:relative;border-radius:var(--r-nav);overflow:hidden;
  aspect-ratio:21/9;background:var(--ink);box-shadow:var(--sh);
}
.page-hero__media img{width:100%;height:100%;object-fit:cover}
.page-hero__overlay{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(20,24,27,.86) 0%,rgba(20,24,27,.55) 52%,rgba(20,24,27,.28) 100%);
}
.page-hero__text{
  position:absolute;left:clamp(22px,4vw,56px);right:clamp(22px,4vw,56px);
  bottom:clamp(22px,4vw,48px);color:#fff;max-width:680px;
}
.page-hero__text h1{
  color:#fff;font-size:clamp(28px,4.2vw,50px);margin-top:14px;letter-spacing:-.02em;
}
.page-hero__text p{margin-top:12px;font-size:clamp(14px,1.5vw,17px);color:rgba(255,255,255,.82);max-width:520px}

/* ---------- 板块 ---------- */
.section{padding:80px 0}
.section--soft{padding:64px 0}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head h2{font-size:clamp(22px,2.6vw,34px)}
.sec-head p{margin-top:14px;font-size:15px;color:#5C666B}
.sec-head .badge{margin-bottom:14px}

/* ---------- 交替图文 ---------- */
.alt-list{display:grid;gap:72px}
.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.alt-row__media{
  border-radius:var(--r-img);overflow:hidden;aspect-ratio:4/3;
  background:#E7EBE9;box-shadow:var(--sh);
}
.alt-row__media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.alt-row:hover .alt-row__media img{transform:scale(1.03)}
.alt-row--reverse .alt-row__media{order:2}
.alt-row__body h3{font-size:clamp(19px,2vw,23px);margin:12px 0 14px}
.alt-row__body>p{font-size:15.5px;color:#515B60}
.check-list{margin-top:20px;display:grid;gap:10px}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-2);
  padding:12px 16px;background:#F1F3F2;border-radius:12px;border:1px solid transparent;
  transition:background .25s,border-color .25s,transform .25s var(--ease);
}
.check-list li:hover{background:#fff;border-color:var(--mist-100);transform:translateX(2px)}
.check-list svg{width:16px;height:16px;flex:0 0 auto;margin-top:4px;color:var(--dawn)}

/* ---------- 规格 / 对照卡 ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(228px,1fr));gap:20px}
.spec-card{
  position:relative;background:#F1F3F2;border:1px solid var(--mist-100);
  border-radius:var(--r-card);padding:24px;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s;
}
.spec-card::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--dawn);transform:scaleX(0);transform-origin:left;transition:transform .38s var(--ease);
}
.spec-card:hover{background:#fff;transform:translateY(-3px);box-shadow:var(--sh-hover)}
.spec-card:hover::after{transform:scaleX(1)}
.spec-card h3{font-size:17px;margin-bottom:4px}
.spec-card .spec-sub{font-size:13px;color:var(--mist);letter-spacing:.08em;margin-bottom:14px}
.spec-card li{
  display:flex;justify-content:space-between;gap:14px;
  padding:10px 0;border-top:1px dashed var(--mist-100);font-size:14px;color:var(--ink-2);
}
.spec-card li strong{font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}

/* ---------- 数据条 ---------- */
.stat-panel{
  background:var(--ink);border-radius:var(--r-panel);padding:clamp(28px,4vw,52px);
  display:grid;grid-template-columns:repeat(4,1fr);gap:28px;color:rgba(255,255,255,.7);
  position:relative;overflow:hidden;
}
.stat-panel::before{
  content:"";position:absolute;inset:0;opacity:.06;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:44px 44px;pointer-events:none;
}
.stat{position:relative}
.stat .num{
  font-size:clamp(34px,4.6vw,52px);font-weight:800;color:var(--dawn);
  font-variant-numeric:tabular-nums;line-height:1.1;letter-spacing:-.02em;
}
.stat .num small{font-size:15px;font-weight:700;color:rgba(255,255,255,.62);margin-left:4px}
.stat p{margin-top:10px;font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.62)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--mist-100)}
.faq-item{border-bottom:1px solid var(--mist-100)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.5;
  transition:color .25s;
}
.faq-q:hover{color:var(--dawn)}
.faq-icon{
  width:28px;height:28px;border-radius:8px;background:#F1F3F2;flex:0 0 auto;
  display:grid;place-items:center;transition:transform .35s var(--ease),background .25s;
}
.faq-icon svg{width:14px;height:14px;color:var(--ink)}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--dawn)}
.faq-item.is-open .faq-icon svg{color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.faq-a p{padding:0 4px 24px;font-size:15.5px;color:#515B60;max-width:800px}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);border-radius:var(--r-panel);padding:clamp(28px,4vw,48px);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.3vw,28px)}
.cta-band p{color:rgba(255,255,255,.66);margin-top:10px;font-size:14.5px;max-width:560px}
.privacy-note{margin-top:18px;font-size:12.5px;color:var(--mist);line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.66);margin-top:96px;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-mark{background:var(--dawn);color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;max-width:280px;color:rgba(255,255,255,.6)}
.footer-col h3{font-size:14px;color:#fff;letter-spacing:.06em;margin-bottom:16px;font-weight:700}
.footer-col li{font-size:14px;line-height:2.1;color:rgba(255,255,255,.66)}
.footer-col a{transition:color .25s}
.footer-col a:hover,.footer-col .link-inline:hover{color:var(--dawn)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.44);
}
.footer-bottom p{margin:0}

/* ---------- 抽屉 / 表单 ---------- */
.overlay{
  position:fixed;inset:0;background:rgba(20,24,27,.6);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s;
}
body.drawer-open .overlay{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(440px,100%);z-index:90;
  background:var(--card);border-radius:20px 0 0 20px;padding:28px;
  overflow-y:auto;transform:translateX(102%);
  transition:transform .42s var(--ease);box-shadow:-20px 0 48px -24px rgba(20,24,27,.4);
}
body.drawer-open .drawer{transform:none}
.drawer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:8px}
.drawer-head h2{font-size:21px}
.drawer-head p{margin-top:8px;font-size:13.5px;color:var(--mist)}
.drawer-close{
  width:40px;height:40px;border-radius:12px;background:#F1F3F2;border:1px solid transparent;
  cursor:pointer;display:grid;place-items:center;flex:0 0 auto;transition:background .25s,transform .25s var(--ease);
}
.drawer-close:hover{background:var(--mist-100);transform:rotate(90deg)}
.drawer-close svg{width:16px;height:16px;color:var(--ink)}
.field{margin-top:18px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:8px}
.field input,.field textarea{
  width:100%;padding:0 14px;height:48px;border-radius:var(--r-btn);
  border:1px solid var(--mist-100);background:#fff;font-size:15px;
  transition:border-color .25s,box-shadow .25s;
}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(232,85,42,.22);
}
.field-hint{font-size:12.5px;color:var(--mist);margin-top:8px}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-top:20px;font-size:13px;color:#5C666B;line-height:1.65}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--dawn);flex:0 0 auto}

/* ---------- 入场动效 ---------- */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .48s var(--ease),transform .48s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 32px}
  .alt-row{gap:36px}
}
@media (max-width:991px){
  .site-header{padding:12px 16px 0}
  .nav-links{
    position:fixed;left:12px;right:12px;top:86px;margin:0;padding:14px;
    background:#fff;border:1px solid var(--mist-100);border-radius:20px;
    box-shadow:0 24px 48px -28px rgba(20,24,27,.45);
    flex-direction:column;align-items:stretch;gap:8px;
    max-height:calc(100vh - 116px);overflow:auto;display:none;
  }
  body.nav-open .nav-links{display:flex}
  .nav-burger{display:block}
  .nav-item{justify-content:flex-start;height:46px;font-size:15px}
  .nav-mobile-extra{display:block;margin-top:6px;padding-top:14px;border-top:1px solid var(--mist-100)}
  .nav-mobile-extra p{font-size:13px;color:var(--mist);margin-bottom:12px}
  .nav-actions .btn-primary{display:none}
  .stat-panel{grid-template-columns:repeat(2,1fr);gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:64px 0}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .site-header{padding:10px 12px 0}
  .brand-text{font-size:15.5px}
  .nav-actions .btn-primary{display:none}
  .section{padding:52px 0}
  .section--soft{padding:48px 0}
  .page-hero{padding:20px 0 0}
  .page-hero__media{aspect-ratio:16/11}
  .page-hero__overlay{background:linear-gradient(180deg,rgba(20,24,27,.35) 0%,rgba(20,24,27,.88) 100%)}
  .alt-list{gap:52px}
  .alt-row{grid-template-columns:1fr;gap:22px}
  .alt-row--reverse .alt-row__media{order:0}
  .stat-panel{grid-template-columns:1fr;gap:22px}
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{margin-top:64px;padding:52px 0 24px}
  .drawer{
    width:100%;height:100%;border-radius:0;padding:22px 20px 32px;
    transform:translateY(100%);
  }
  body.drawer-open .drawer{transform:none}
}
@media (max-width:480px){
  .brand-text{font-size:15px}
  .sec-head h2{font-size:22px}
  .spec-card{padding:20px}
  .faq-q{font-size:15.5px;padding:18px 2px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  [data-reveal]{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --ink:#14181B;
  --ink-2:#3A4247;
  --mist:#8FA8A4;
  --mist-100:#DCE5E3;
  --paper:#F6F6F3;
  --card:#FFFFFF;
  --dawn:#E8552A;
  --dawn-600:#C6431D;
  --soft:#F1F3F2;
  --radius-card:16px;
  --radius-panel:24px;
  --radius-btn:10px;
  --radius-img:14px;
  --radius-nav:20px;
  --shadow-1:0 1px 2px rgba(20,24,27,.04);
  --shadow-2:0 10px 24px -8px rgba(20,24,27,.14);
  --gap:22px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--paper);color:var(--ink-2);
  font-family:var(--font);font-size:16px;line-height:1.78;
  text-align:left;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3;}
h1{font-size:clamp(28px,4.2vw,52px);}
h2{font-size:clamp(22px,2.6vw,34px);}
h3{font-size:19px;}
p{margin:0 0 1.1em;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
svg{flex:none;}
.container{max-width:1200px;margin:0 auto;padding:0 48px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;border-radius:var(--radius-btn);z-index:200;}
.skip-link:focus{left:16px;top:16px;}
:focus-visible{outline:2px solid var(--dawn);outline-offset:2px;}
.no-scroll{overflow:hidden;}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:12px;z-index:80;padding:12px 48px 0;}
.nav-panel{
  max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:16px;
  background:var(--card);border:1px solid var(--mist-100);border-radius:var(--radius-nav);
  box-shadow:var(--shadow-1);padding:12px 16px;transition:box-shadow .25s ease,padding .25s ease;
}
.site-header.is-scrolled .nav-panel{box-shadow:var(--shadow-2);padding:8px 16px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
  letter-spacing:.02em;
}
.brand-text{font-weight:800;font-size:17px;color:var(--ink);letter-spacing:.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:10px;margin-left:8px;flex:1;flex-wrap:wrap;}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 14px;
  border-radius:12px;background:var(--soft);border:1px solid transparent;
  color:var(--ink-2);font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.nav-item svg{width:16px;height:16px;color:var(--mist);transition:color .2s ease;}
.nav-item:hover{background:var(--card);border-color:var(--mist-100);transform:translateY(-2px);color:var(--ink);}
.nav-item:hover svg{color:var(--dawn);}
.nav-item.is-active{background:var(--ink);color:#fff;border-color:var(--ink);}
.nav-item.is-active svg{color:#fff;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none;}
.nav-mobile-extra{display:none;}
.nav-burger{
  display:none;width:40px;height:40px;border-radius:12px;background:var(--soft);
  border:1px solid var(--mist-100);cursor:pointer;align-items:center;justify-content:center;
  padding:0;position:relative;
}
.nav-burger span,.nav-burger span::before,.nav-burger span::after{
  content:"";display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .25s ease,opacity .2s ease;position:relative;
}
.nav-burger span::before{position:absolute;top:-6px;}
.nav-burger span::after{position:absolute;top:6px;}
.nav-burger[aria-expanded="true"] span{background:transparent;}
.nav-burger[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-burger[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn svg{width:16px;height:16px;transition:transform .2s ease;}
.btn:hover svg{transform:translateX(4px);}
.btn-primary{background:var(--dawn);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--dawn-600);transform:scale(1.02);}
.btn-primary:active{transform:translateY(1px) scale(1);}
.btn-secondary{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-secondary:hover{background:var(--ink);color:#fff;}
.btn-secondary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--dawn);padding:0;height:auto;font-weight:700;}
.btn-ghost:hover{color:var(--dawn-600);}
.btn-block{width:100%;}
.link-inline{
  background:none;border:none;padding:0;color:inherit;font:inherit;cursor:pointer;
  border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease;
}
.link-inline:hover{color:var(--dawn);border-color:var(--dawn);}

/* ---------- Page hero banner ---------- */
.page-hero{padding:32px 0 0;}
.hero-banner{
  position:relative;border-radius:var(--radius-nav);overflow:hidden;aspect-ratio:21/9;
  background:var(--ink);box-shadow:var(--shadow-1);
}
.hero-banner img{width:100%;height:100%;object-fit:cover;}
.hero-banner::after{
  content:"";position:absolute;inset:0;background:rgba(20,24,27,.35);
}
.hero-banner-inner{
  position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;justify-content:flex-end;
  padding:44px 48px;gap:14px;
}
.hero-banner-inner h1{color:#fff;}
.hero-banner-inner p{color:rgba(255,255,255,.86);margin:0;font-size:17px;max-width:640px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.16);
  color:#fff;font-size:12px;font-weight:700;letter-spacing:.08em;
  border:1px solid rgba(255,255,255,.24);
}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:10px;}
.hero-actions .btn-secondary{color:#fff;border-color:rgba(255,255,255,.6);}
.hero-actions .btn-secondary:hover{background:#fff;color:var(--ink);border-color:#fff;}

/* ---------- Sections ---------- */
.section{padding:84px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--dawn);margin-bottom:12px;
}
.section-head p{margin-top:12px;color:var(--ink-2);}
.lead{font-size:17px;color:var(--ink-2);}

/* ---------- Timeline + side card ---------- */
.tl-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,.95fr);gap:32px;align-items:start;}
.timeline{position:relative;padding-left:0;}
.timeline::before{
  content:"";position:absolute;left:21px;top:10px;bottom:14px;width:2px;background:var(--mist-100);
}
.tl-item{position:relative;padding:0 0 26px 68px;}
.tl-index{
  position:absolute;left:0;top:0;width:44px;height:44px;border-radius:12px;
  background:var(--card);border:1px solid var(--mist-100);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;color:var(--dawn);font-variant-numeric:tabular-nums;
  box-shadow:var(--shadow-1);
}
.tl-item h3{margin-bottom:6px;}
.tl-item p{margin:0;font-size:15px;color:var(--ink-2);}
.side-card{
  position:sticky;top:96px;
  background:var(--card);border:1px solid var(--mist-100);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:24px 24px 20px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.side-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--mist);}
.side-card h3{font-size:17px;margin-bottom:14px;}
.side-list li{
  position:relative;padding-left:20px;font-size:14.5px;margin-bottom:12px;color:var(--ink-2);
}
.side-list li::before{
  content:"";position:absolute;left:0;top:10px;width:10px;height:2px;border-radius:2px;background:var(--dawn);
}
.mini-stat{
  margin-top:18px;padding-top:18px;border-top:1px solid var(--mist-100);
  display:flex;align-items:baseline;gap:8px;
}
.mini-stat strong{
  font-size:34px;font-weight:800;color:var(--dawn);line-height:1;
  font-variant-numeric:tabular-nums;
}
.mini-stat span{font-size:13px;color:var(--mist);}

/* ---------- Compare table ---------- */
.compare-wrap{
  background:var(--card);border:1px solid var(--mist-100);border-radius:var(--radius-panel);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.compare-scroll{overflow-x:auto;}
table.compare-table{width:100%;border-collapse:collapse;min-width:680px;}
.compare-table th,.compare-table td{
  text-align:left;padding:16px 22px;border-bottom:1px solid var(--mist-100);font-size:15px;
}
.compare-table thead th{
  background:var(--soft);color:var(--ink);font-weight:800;font-size:14px;letter-spacing:.02em;
}
.compare-table tbody tr:last-child td{border-bottom:none;}
.compare-table tbody tr{transition:background .2s ease;}
.compare-table tbody tr:hover{background:#FBFBFA;}
.compare-table td:first-child{font-weight:700;color:var(--ink);}
.compare-table td{color:var(--ink-2);}

/* ---------- Spec cards ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:32px;}
.spec-card{
  background:var(--soft);border:1px solid var(--mist-100);border-radius:var(--radius-card);
  padding:24px;position:relative;overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.spec-card::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--dawn);
  transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.spec-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.spec-card:hover::after{transform:scaleX(1);}
.spec-card h3{font-size:16px;margin-bottom:8px;}
.spec-card p{margin:0;font-size:14.5px;}

/* ---------- Split text + media ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:center;}
.split-media{border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--mist-100);box-shadow:var(--shadow-1);}
.split-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;}
.point-list{margin-top:16px;}
.point-list li{
  position:relative;padding-left:24px;margin-bottom:12px;font-size:15px;color:var(--ink-2);
}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;width:12px;height:2px;border-radius:2px;background:var(--dawn);
}
.point-list strong{color:var(--ink);font-weight:700;}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;border-top:1px solid var(--mist-100);}
.faq-item{border-bottom:1px solid var(--mist-100);}
.faq-q{
  width:100%;background:none;border:none;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:17px;font-weight:700;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--dawn);}
.faq-icon{
  width:26px;height:26px;flex:none;border-radius:999px;border:1px solid var(--mist-100);
  display:flex;align-items:center;justify-content:center;position:relative;
  transition:transform .3s ease,border-color .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;transition:transform .3s ease,opacity .3s ease;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);border-color:var(--dawn);}
.faq-item.is-open .faq-icon::before{background:var(--dawn);}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 44px 22px 4px;margin:0;font-size:15.5px;color:var(--ink-2);}

/* ---------- CTA bar ---------- */
.cta-bar{
  background:var(--ink);border-radius:var(--radius-panel);padding:38px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--shadow-2);
}
.cta-bar h2{color:#fff;font-size:clamp(20px,2.2vw,27px);margin-bottom:8px;}
.cta-bar p{color:var(--mist);margin:0;font-size:15px;}
.privacy-note{margin-top:16px;font-size:12.5px;color:var(--mist);}
.privacy-note a{color:var(--mist);border-bottom:1px solid var(--mist-100);}
.privacy-note a:hover{color:var(--dawn);border-color:var(--dawn);}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--mist);margin-top:96px;padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .brand-mark{background:var(--dawn);}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--mist);max-width:280px;}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:12px;font-size:14.5px;}
.footer-col a,.footer-col .link-inline{color:var(--mist);transition:color .2s ease;}
.footer-col a:hover,.footer-col .link-inline:hover{color:var(--dawn);}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{margin:0;font-size:12px;color:rgba(143,168,164,.85);}

/* ---------- Modal ---------- */
.modal{position:fixed;inset:0;z-index:120;display:none;}
.modal.is-open{display:block;}
.modal-mask{position:absolute;inset:0;background:rgba(20,24,27,.6);}
.modal-panel{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:min(520px,calc(100vw - 40px));max-height:90vh;overflow-y:auto;
  background:var(--card);border-radius:var(--radius-nav);padding:32px;
  box-shadow:0 24px 60px -20px rgba(20,24,27,.35);
}
.modal-panel h2{font-size:22px;margin-bottom:8px;}
.modal-panel > p{font-size:14.5px;color:var(--ink-2);}
.modal-close{
  position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:12px;
  background:var(--soft);border:1px solid var(--mist-100);cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--ink);
  line-height:1;transition:background .2s ease,color .2s ease;
}
.modal-close:hover{background:var(--ink);color:#fff;}
.lead-form{display:grid;gap:16px;margin-top:20px;}
.field{display:grid;gap:8px;}
.field label{font-size:14px;font-weight:700;color:var(--ink);}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid var(--mist-100);background:var(--card);color:var(--ink-2);
  font-family:inherit;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(232,85,42,.2);
}
.checkbox{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--mist);line-height:1.6;}
.checkbox input{width:17px;height:17px;margin-top:3px;accent-color:var(--dawn);flex:none;}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);}
.reveal.is-in{
  opacity:1;transform:none;
  transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1);
}
@media (prefers-reduced-motion:reduce){
  .reveal,.reveal.is-in{opacity:1;transform:none;transition:none;}
  .btn,.nav-item,.spec-card,.side-card{transition:none;}
  html{scroll-behavior:auto;}
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 36px;}
  .site-header{padding:12px 36px 0;}
  .tl-layout{gap:26px;}
}
@media (max-width:991px){
  .container{padding:0 32px;}
  .site-header{padding:10px 32px 0;}
  .nav-burger{display:flex;}
  .nav-links{
    position:fixed;top:76px;left:16px;right:16px;z-index:90;
    flex-direction:column;align-items:stretch;gap:10px;
    background:var(--card);border:1px solid var(--mist-100);border-radius:var(--radius-nav);
    box-shadow:var(--shadow-2);padding:16px;max-height:calc(100vh - 110px);overflow-y:auto;
    display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-item{height:48px;justify-content:flex-start;width:100%;}
  .nav-mobile-extra{display:grid;gap:12px;margin-top:6px;padding-top:16px;border-top:1px solid var(--mist-100);}
  .nav-mobile-extra p{margin:0;font-size:13px;color:var(--mist);}
  .hero-banner{aspect-ratio:16/9;}
  .hero-banner-inner{padding:32px;}
  .tl-layout{grid-template-columns:1fr;}
  .side-card{position:static;}
  .spec-grid{grid-template-columns:1fr 1fr;}
  .split{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:68px 0;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .site-header{padding:8px 20px 0;}
  .nav-panel{padding:10px 12px;}
  .brand-text{font-size:15.5px;}
  .nav-actions .btn-primary{display:none;}
  .nav-links{top:70px;left:12px;right:12px;}
  .hero-banner{aspect-ratio:4/3;}
  .hero-banner-inner{padding:24px 20px;}
  .hero-banner-inner p{font-size:15px;}
  .hero-actions{width:100%;}
  .hero-actions .btn{flex:1 1 auto;}
  .section{padding:52px 0;}
  .spec-grid{grid-template-columns:1fr;}
  .split-media img{aspect-ratio:16/10;}
  .faq-q{font-size:16px;padding:18px 2px;}
  .faq-a p{padding-right:8px;}
  .cta-bar{padding:28px 22px;flex-direction:column;align-items:flex-start;}
  .cta-bar .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{margin-top:64px;padding:56px 0 24px;}
  .modal-panel{
    top:0;left:0;transform:none;width:100%;height:100%;max-height:100%;border-radius:0;padding:28px 20px;
  }
  .compare-table th,.compare-table td{padding:14px 16px;}
}
@media (max-width:480px){
  .brand-text{font-size:15px;}
  .hero-banner{aspect-ratio:1/1;}
  .btn{height:46px;}
}