/* roulang page: index */
:root{
  --ink:#14161A;
  --ink-2:#3D434C;
  --muted:#868C96;
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E4DFD5;
  --accent:#C8452A;
  --accent-strong:#A8341D;
  --accent-soft:#F3E1DA;
  --second:#1F5F55;
  --second-soft:#E3EDEA;
  --radius:6px;
  --radius-btn:4px;
  --shadow:0 6px 24px rgba(20,22,26,.06);
  --dur:280ms;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1280px){.container{padding:0 40px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.97);
  border-bottom-color:var(--line);
  box-shadow:0 2px 12px rgba(20,22,26,.04);
}
.header-top{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 0 10px;
}
.logo{display:flex;flex-direction:column;gap:2px;line-height:1.15}
.logo-mark{
  font-size:20px;font-weight:800;letter-spacing:-.01em;color:var(--ink);
  display:inline-flex;align-items:baseline;gap:6px;
}
.logo-mark em{
  font-style:normal;font-size:12px;font-weight:600;letter-spacing:.14em;
  color:var(--accent);text-transform:uppercase;
}
.logo-sub{font-size:11.5px;letter-spacing:.08em;color:var(--muted)}
.header-cta{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  border:1px solid transparent;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-strong);transform:translateY(-1px);box-shadow:0 8px 20px rgba(200,69,42,.22)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-light{background:transparent;border-color:rgba(255,255,255,.75);color:#fff}
.btn-light:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-block{width:100%}
.nav-chips{
  display:flex;gap:8px;overflow-x:auto;padding:8px 0 14px;
  scrollbar-width:none;-ms-overflow-style:none;-webkit-overflow-scrolling:touch;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  padding:7px 16px;border-radius:999px;
  border:1px solid var(--line);
  background:transparent;color:var(--ink-2);
  font-size:13.5px;font-weight:500;white-space:nowrap;
  transition:all var(--dur) var(--ease);
}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip[aria-current="page"]{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.92}
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(215deg,rgba(20,22,26,.30) 0%,rgba(20,22,26,.72) 58%,rgba(20,22,26,.92) 100%);
}
.hero-inner{position:relative;z-index:2;padding:72px 0 56px;max-width:820px}
@media (min-width:1024px){.hero-inner{padding:120px 0 88px}}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.18em;font-weight:600;color:#F0C9BE;
  margin-bottom:20px;
}
.hero-eyebrow::before{content:"";width:28px;height:1px;background:var(--accent)}
.hero h1{
  font-size:clamp(30px,6vw,60px);
  line-height:1.1;font-weight:800;letter-spacing:-.02em;
  color:#fff;margin-bottom:20px;
}
.hero-sub{
  font-size:clamp(15px,2vw,18px);line-height:1.85;color:rgba(255,255,255,.82);
  max-width:640px;margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px}
.hero-meta{
  display:grid;grid-template-columns:1fr;gap:0;
  border-top:1px solid rgba(255,255,255,.18);
}
.hero-meta li{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding:14px 0;border-bottom:1px solid rgba(255,255,255,.13);
}
.hero-meta li span{font-size:12.5px;letter-spacing:.1em;color:rgba(255,255,255,.6)}
.hero-meta li strong{font-size:15px;font-weight:600;color:#fff;font-variant-numeric:tabular-nums}
.hero-meta li strong.is-ok{color:#F0C9BE}
@media (min-width:768px){
  .hero-meta{grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(255,255,255,.18)}
  .hero-meta li{
    flex-direction:column;align-items:flex-start;gap:4px;
    padding:18px 24px 0 0;border-bottom:0;border-right:1px solid rgba(255,255,255,.13);
  }
  .hero-meta li:last-child{border-right:0}
}

/* ---------- stats ---------- */
.stats{background:var(--surface);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr)}
.stat{
  padding:28px 20px 26px;
  border-bottom:1px solid var(--line);
  border-right:1px solid var(--line);
}
.stat:nth-child(2n){border-right:0}
.stat:nth-last-child(-n+2){border-bottom:0}
.stat-num{
  font-size:clamp(26px,4vw,36px);font-weight:700;line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;color:var(--ink);
}
.stat-num small{font-size:14px;font-weight:600;color:var(--muted);margin-left:4px;letter-spacing:0}
.stat-label{margin-top:8px;font-size:13px;color:var(--muted);letter-spacing:.04em}
@media (min-width:768px){
  .stats-grid{grid-template-columns:repeat(4,1fr)}
  .stat{padding:40px 28px 36px;border-bottom:0;border-right:1px solid var(--line)}
  .stat:nth-child(2n){border-right:1px solid var(--line)}
  .stat:last-child{border-right:0}
}

/* ---------- section base ---------- */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px 32px;padding-top:24px;margin-bottom:36px;border-top:1px solid var(--line);
}
.section-head .eyebrow{
  display:block;font-size:12px;letter-spacing:.18em;font-weight:600;
  color:var(--accent);margin-bottom:10px;text-transform:uppercase;
}
.section-head h2{
  font-size:clamp(23px,3.4vw,38px);line-height:1.2;font-weight:700;
  letter-spacing:-.01em;color:var(--ink);
}
.section-head p{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:620px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ink);
  padding-bottom:3px;border-bottom:1px solid var(--line);
  position:relative;white-space:nowrap;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:-1px;width:0;height:1px;
  background:var(--accent);transition:width var(--dur) var(--ease);
}
.link-more:hover{color:var(--accent)}
.link-more:hover::after{width:100%}

/* ---------- timeline ---------- */
.timeline{border-top:1px solid var(--line)}
.tl-item{
  display:grid;grid-template-columns:1fr;gap:8px 24px;
  padding:26px 0;border-bottom:1px solid var(--line);
}
.tl-time{
  font-size:14px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:.04em;
}
.tl-body h3{font-size:17px;font-weight:600;line-height:1.45;margin-bottom:6px}
.tl-body p{font-size:15px;color:var(--ink-2);line-height:1.85}
.tl-tag{
  display:inline-block;margin-top:10px;padding:3px 10px;border-radius:999px;
  background:var(--second-soft);color:var(--second);font-size:12px;font-weight:600;
}
@media (min-width:900px){
  .tl-item{
    grid-template-columns:120px 1fr;
    position:relative;padding-left:0;
  }
  .tl-time{
    position:relative;
    padding-right:34px;
    text-align:right;
    border-right:1px solid var(--line);
  }
  .tl-time::after{
    content:"";position:absolute;right:-5px;top:8px;
    width:9px;height:9px;border-radius:50%;
    background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);
  }
  .tl-body{padding-left:34px}
}

/* ---------- scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:640px){.scene-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.scene-grid{grid-template-columns:repeat(4,1fr)}}
.scene-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#D8D1C3}
.scene-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--line)}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.scene-card:hover .scene-thumb img{transform:scale(1.04)}
.scene-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.scene-body h3{font-size:17px;font-weight:600;line-height:1.45}
.scene-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.scene-link{
  margin-top:auto;padding-top:12px;font-size:13.5px;font-weight:600;color:var(--accent);
  display:inline-flex;align-items:center;gap:6px;
}
.scene-card:hover .scene-link{color:var(--accent-strong)}

/* ---------- feature split ---------- */
.split{
  display:grid;grid-template-columns:1fr;gap:32px;align-items:center;
}
@media (min-width:1024px){.split{grid-template-columns:1.05fr 1fr;gap:56px}}
.split-media{
  position:relative;border-radius:var(--radius);overflow:hidden;background:var(--line);
  aspect-ratio:16/10;
}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(20,22,26,0) 40%,rgba(20,22,26,.35) 100%);
}
.split-body h2{
  font-size:clamp(23px,3.2vw,34px);line-height:1.25;font-weight:700;
  letter-spacing:-.01em;margin-bottom:16px;
}
.split-body > p{font-size:15.5px;color:var(--ink-2);line-height:1.9;margin-bottom:24px}
.check-list{display:flex;flex-direction:column;gap:18px}
.check-item{display:grid;grid-template-columns:28px 1fr;gap:14px}
.check-no{
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--accent);
  padding-top:3px;font-variant-numeric:tabular-nums;
}
.check-item h4{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:4px}
.check-item p{font-size:14.5px;color:var(--ink-2);line-height:1.8}

/* ---------- quotes ---------- */
.quote-grid{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid var(--line)}
@media (min-width:900px){.quote-grid{grid-template-columns:repeat(3,1fr)}}
.quote{
  padding:28px 0;border-bottom:1px solid var(--line);
}
@media (min-width:900px){
  .quote{padding:32px 32px 32px 0;border-bottom:0;border-right:1px solid var(--line)}
  .quote:last-child{border-right:0;padding-right:0}
}
.quote p{
  font-size:15.5px;line-height:1.9;color:var(--ink);
  padding-left:16px;border-left:3px solid var(--second);
}
.quote footer{
  margin-top:16px;padding-left:16px;font-size:13px;color:var(--muted);
  letter-spacing:.02em;
}
.quote footer strong{display:block;font-size:14px;color:var(--ink);font-weight:600;margin-bottom:2px}

/* ---------- news / cms ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#D8D1C3}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--line);display:block}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-tag{
  align-self:flex-start;
  padding:3px 10px;border-radius:999px;
  background:var(--second-soft);color:var(--second);
  font-size:12px;font-weight:600;
}
.news-title{
  font-size:16.5px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--accent)}
.news-summary{
  font-size:14px;line-height:1.8;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.news-date{font-size:12.5px;color:var(--muted);letter-spacing:.02em;font-variant-numeric:tabular-nums}
.news-arrow{font-size:13px;font-weight:600;color:var(--accent)}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius);
  min-height:170px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;background:rgba(255,255,255,.5);
}
.empty-state svg{width:26px;height:26px;stroke:var(--muted);fill:none;stroke-width:1.4}
.empty-state p{font-size:14px;color:var(--muted)}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:0}
@media (min-width:1024px){.faq-wrap{grid-template-columns:.8fr 1.6fr;gap:56px;align-items:start}}
.faq-intro h2{
  font-size:clamp(23px,3.2vw,34px);line-height:1.25;font-weight:700;
  letter-spacing:-.01em;margin-bottom:14px;
}
.faq-intro p{font-size:15px;color:var(--ink-2);line-height:1.9}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;text-align:left;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--ink);
  transition:color var(--dur) var(--ease);
}
.faq-q:hover{color:var(--accent)}
.faq-q[aria-expanded="true"]{color:var(--accent)}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;
  transform:translate(-50%,-50%);transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.faq-icon::before{width:13px;height:1.5px}
.faq-icon::after{width:1.5px;height:13px}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a-inner{padding:0 0 22px;font-size:15px;line-height:1.9;color:var(--ink-2);max-width:680px}

/* ---------- cta / form ---------- */
.cta-band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:1024px){.cta-grid{grid-template-columns:.95fr 1.05fr;gap:64px}}
.cta-copy h2{
  font-size:clamp(24px,3.4vw,36px);line-height:1.25;font-weight:700;
  letter-spacing:-.01em;margin-bottom:16px;
}
.cta-copy p{font-size:15.5px;color:var(--ink-2);line-height:1.9;margin-bottom:24px}
.cta-facts{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.cta-facts li{
  display:flex;justify-content:space-between;gap:16px;
  padding:13px 0;border-bottom:1px solid var(--line);
  font-size:14px;color:var(--ink-2);
}
.cta-facts li strong{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}
.form-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;
}
@media (min-width:768px){.form-card{padding:32px 28px}}
.form-card h3{font-size:18px;font-weight:700;margin-bottom:6px}
.form-card > p{font-size:13.5px;color:var(--muted);margin-bottom:22px}
.form-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:640px){.form-grid{grid-template-columns:1fr 1fr}}
.form-grid .field-full{grid-column:1 / -1}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.field label .req{color:var(--accent);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--surface);color:var(--ink);
  font-family:inherit;font-size:15px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.75;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#B4B0A7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);
  box-shadow:inset 0 0 0 1px var(--accent);
}
.form-hint{font-size:12.5px;color:var(--muted);line-height:1.7}
.form-feedback{
  display:none;margin-top:14px;padding:12px 14px;border-radius:var(--radius-btn);
  background:var(--second-soft);color:var(--second);font-size:14px;font-weight:500;
}
.form-feedback.is-visible{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(247,245,240,.72);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:0}
  .footer-col+.footer-col{border-left:1px solid rgba(255,255,255,.1);padding-left:28px}
  .footer-col:first-child{padding-right:28px}
}
.footer-brand{display:flex;flex-direction:column;gap:12px}
.footer-brand .logo-mark{color:#fff;font-size:20px}
.footer-brand .logo-mark em{color:#E88A72}
.footer-brand .logo-sub{color:rgba(247,245,240,.55)}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(247,245,240,.62);max-width:300px}
.footer-title{
  font-size:12px;font-weight:700;letter-spacing:.16em;color:#fff;
  margin-bottom:14px;text-transform:uppercase;
}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a{font-size:14px;color:rgba(247,245,240,.7)}
.footer-list a:hover{color:var(--accent)}
.footer-list li{font-size:14px;color:rgba(247,245,240,.62);line-height:1.7}
.footer-bottom{
  margin-top:48px;padding:20px 0 24px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  font-size:12.5px;color:rgba(247,245,240,.5);letter-spacing:.02em;
}
.footer-bottom a{color:rgba(247,245,240,.62)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --ink:#14161A;
  --ink-2:#3D434C;
  --muted:#868C96;
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E4DFD5;
  --accent:#C8452A;
  --accent-strong:#A8341D;
  --accent-soft:#F3E1DA;
  --second:#1F5F55;
  --second-soft:#E3EDEA;
  --radius-btn:4px;
  --radius-card:6px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-hover:0 6px 24px rgba(20,22,26,.08);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1280px){.container{padding:0 40px}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.94);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-stuck{background:var(--surface);border-bottom-color:var(--line);box-shadow:0 1px 0 rgba(20,22,26,.02)}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px}
@media (min-width:768px){.header-top{height:64px}}
.logo{display:flex;flex-direction:column;gap:1px;line-height:1.25}
.logo-mark{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.logo-mark em{font-style:normal;font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-left:6px}
.logo-sub{font-size:11px;letter-spacing:.12em;color:var(--muted)}
.header-cta{display:flex;align-items:center;gap:10px}
.nav-chips{display:flex;gap:8px;overflow-x:auto;padding:2px 0 14px;scrollbar-width:none;-ms-overflow-style:none}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;
  padding:7px 15px;border-radius:999px;border:1px solid var(--line);
  font-size:13px;font-weight:500;color:var(--ink-2);background:transparent;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip[aria-current="page"]{background:var(--ink);border-color:var(--ink);color:#fff}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.btn-sm{padding:9px 18px;font-size:13.5px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-strong);transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-soft{background:var(--accent-soft);color:var(--accent);border-color:transparent}
.btn-soft:hover{background:var(--accent);color:#fff}
.btn-block{width:100%}

/* ---------- 通用标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  background:var(--second-soft);color:var(--second);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-accent{background:var(--accent-soft);color:var(--accent)}
.eyebrow{
  font-size:12px;font-weight:600;letter-spacing:.18em;
  color:var(--accent);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow-second{color:var(--second)}

/* ---------- 文章头部 ---------- */
.article-head{padding:28px 0 0;position:relative;overflow:hidden}
.article-head::before{
  content:"";position:absolute;right:-160px;top:-140px;
  width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(31,95,85,.08);pointer-events:none;
}
.article-head::after{
  content:"";position:absolute;right:-80px;top:-60px;
  width:260px;height:260px;border-radius:50%;
  border:1px solid rgba(31,95,85,.08);pointer-events:none;
}
@media (min-width:768px){.article-head{padding-top:44px}}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--ink-2);border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.breadcrumb a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--muted);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
  font-size:29px;line-height:1.22;font-weight:800;letter-spacing:-.02em;
  color:var(--ink);max-width:920px;margin-bottom:20px;
}
@media (min-width:768px){.article-title{font-size:38px}}
@media (min-width:1024px){.article-title{font-size:46px}}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;
  padding-bottom:18px;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--muted);letter-spacing:.02em;
}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:var(--line)}
.meta-share{
  margin-left:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--ink-2);border-bottom:1px solid var(--line);
  padding-bottom:1px;transition:color .2s var(--ease),border-color .2s var(--ease);
}
.meta-share:hover{color:var(--accent);border-bottom-color:var(--accent)}
.article-cover{
  margin-top:26px;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;background:var(--line);aspect-ratio:16/9;
}
@media (min-width:768px){.article-cover{aspect-ratio:16/6.5}}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ---------- 主体布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:1fr;gap:44px;
  padding:40px 0 64px;
}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,760px) 260px;gap:56px;justify-content:space-between;padding:56px 0 88px}
}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.95;color:var(--ink-2);max-width:760px;word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  position:relative;font-size:22px;font-weight:700;line-height:1.35;color:var(--ink);
  margin:2em 0 .75em;padding-left:16px;
}
@media (min-width:768px){.article-body h2{font-size:25px}}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;width:3px;height:16px;
  background:var(--accent);border-radius:2px;
}
.article-body h3{font-size:18.5px;font-weight:600;color:var(--ink);margin:1.6em 0 .6em;line-height:1.5}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0}
.article-body ul li{position:relative;padding-left:18px;margin-bottom:.5em}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.86em;width:9px;height:1px;background:var(--accent);
}
.article-body ol{counter-reset:item}
.article-body ol li{position:relative;padding-left:26px;margin-bottom:.5em;counter-increment:item}
.article-body ol li::before{
  content:counter(item,decimal-leading-zero);
  position:absolute;left:0;top:.2em;font-size:12px;font-weight:700;
  letter-spacing:.06em;color:var(--accent);font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;border-left:3px solid var(--second);
  background:var(--second-soft);color:var(--ink-2);border-radius:0 var(--radius-btn) var(--radius-btn) 0;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-btn);margin:1.4em 0;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-body a{color:var(--accent);border-bottom:1px solid var(--accent-soft);transition:border-color .2s var(--ease)}
.article-body a:hover{border-bottom-color:var(--accent)}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.4em 0}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.article-body th{background:var(--paper);font-weight:600;color:var(--ink)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body strong{color:var(--ink);font-weight:600}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:32px 24px;text-align:center;background:var(--surface);
}
.empty-state p{font-size:14px;color:var(--muted);margin:0}

/* ---------- 文章底部 ---------- */
.article-foot{margin-top:40px;padding-top:26px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:22px}
.tag-row .label{font-size:12px;letter-spacing:.16em;color:var(--muted);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  border:1px solid var(--line);font-size:12.5px;color:var(--ink-2);background:var(--surface);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.tag:hover{border-color:var(--accent);color:var(--accent)}
.foot-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.related-title{font-size:12px;font-weight:600;letter-spacing:.18em;color:var(--second);margin-bottom:6px}
.related-list{border-top:1px solid var(--line)}
.related-list li{border-bottom:1px solid var(--line)}
.related-list a{
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:15px 0;font-size:15.5px;color:var(--ink);line-height:1.6;
  transition:color .2s var(--ease);
}
.related-list a:hover{color:var(--accent)}
.related-list .date{flex:0 0 auto;font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;padding-top:2px}

/* ---------- 侧栏 ---------- */
.sidebar{display:flex;flex-direction:column;gap:22px}
@media (min-width:1024px){.sidebar{position:sticky;top:96px;align-self:start}}
.side-card{
  border:1px solid var(--line);background:var(--surface);
  border-radius:var(--radius-card);padding:20px;
}
.side-title{
  font-size:12px;font-weight:600;letter-spacing:.18em;color:var(--second);
  margin-bottom:14px;display:flex;align-items:center;gap:8px;
}
.side-title::after{content:"";flex:1;height:1px;background:var(--line)}
.side-nav li + li{border-top:1px solid var(--line)}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 0;font-size:14.5px;color:var(--ink-2);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.side-nav a:hover{color:var(--accent);padding-left:4px}
.side-nav .arrow{font-size:12px;color:var(--muted)}
.side-hot li + li{border-top:1px solid var(--line)}
.side-hot a{display:block;padding:11px 0;font-size:14px;line-height:1.6;color:var(--ink-2);transition:color .2s var(--ease)}
.side-hot a:hover{color:var(--accent)}
.side-hot .idx{font-size:11px;font-weight:700;color:var(--accent);letter-spacing:.08em;margin-right:6px;font-variant-numeric:tabular-nums}
.side-cta{background:var(--accent-soft);border-color:transparent}
.side-cta .side-title{color:var(--accent)}
.side-cta .side-title::after{background:rgba(200,69,42,.25)}
.side-cta p{font-size:14px;line-height:1.75;color:var(--ink-2);margin-bottom:16px}
.side-cta .meta-note{font-size:12px;color:var(--muted);margin-top:10px;margin-bottom:0}

/* ---------- 用户反馈 ---------- */
.voice-section{padding:0 0 64px}
@media (min-width:1024px){.voice-section{padding-bottom:88px}}
.voice-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:768px){.voice-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.voice-grid{grid-template-columns:repeat(3,1fr)}}
.voice-card{
  border:1px solid var(--line);background:var(--surface);border-radius:var(--radius-card);
  padding:22px;transition:box-shadow .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.voice-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#d9d2c4}
.voice-card p{font-size:14.5px;line-height:1.85;color:var(--ink-2);margin-bottom:16px}
.voice-card footer{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.voice-card footer strong{color:var(--ink);font-weight:600}
.avatar-dot{
  width:26px;height:26px;border-radius:50%;background:var(--second-soft);
  color:var(--second);font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}

/* ---------- FAQ ---------- */
.faq-section{padding:0 0 64px}
@media (min-width:1024px){.faq-section{padding-bottom:88px}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.section-title{font-size:25px;font-weight:700;letter-spacing:-.01em;line-height:1.25;color:var(--ink)}
@media (min-width:768px){.section-title{font-size:32px}}
.section-sub{font-size:14.5px;color:var(--muted);margin-top:8px;max-width:560px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);transition:color .2s var(--ease);
}
@media (min-width:768px){.faq-q{font-size:17px}}
.faq-q:hover{color:var(--accent)}
.faq-item.is-open .faq-q{color:var(--accent)}
.faq-icon{position:relative;flex:0 0 16px;width:16px;height:16px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:1px;
  transition:transform .25s var(--ease),opacity .25s var(--ease);
}
.faq-icon::before{left:0;top:7.5px;width:16px;height:1px}
.faq-icon::after{left:7.5px;top:0;width:1px;height:16px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{overflow:hidden;max-height:0;transition:max-height .28s var(--ease)}
.faq-a-inner{padding:0 0 20px;font-size:15px;line-height:1.9;color:var(--ink-2);max-width:760px}

/* ---------- CTA 表单 ---------- */
.cta-section{padding:0 0 72px}
@media (min-width:1024px){.cta-section{padding-bottom:96px}}
.cta-box{
  border:1px solid var(--line);background:var(--surface);border-radius:var(--radius-card);
  padding:28px 22px;display:grid;grid-template-columns:1fr;gap:32px;
}
@media (min-width:768px){.cta-box{padding:40px 36px}}
@media (min-width:1024px){.cta-box{grid-template-columns:minmax(0,1fr) 380px;gap:56px;padding:52px 48px}}
.cta-copy h2{font-size:26px;font-weight:800;letter-spacing:-.02em;line-height:1.25;margin-bottom:14px;color:var(--ink)}
@media (min-width:768px){.cta-copy h2{font-size:34px}}
.cta-copy p{font-size:15px;line-height:1.85;color:var(--ink-2);margin-bottom:20px;max-width:520px}
.cta-points{display:flex;flex-direction:column;gap:10px}
.cta-points li{position:relative;padding-left:20px;font-size:14.5px;color:var(--ink-2)}
.cta-points li::before{content:"";position:absolute;left:0;top:.72em;width:10px;height:1px;background:var(--second)}
.cta-form{display:grid;gap:16px;align-content:start}
.field{display:grid;gap:6px}
.field label{font-size:13px;font-weight:600;color:var(--ink-2)}
.field .req{color:var(--accent);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;min-height:46px;padding:11px 13px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--surface);font-size:14.5px;color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:84px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#adb2b9}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent);
}
.form-note{font-size:12.5px;color:var(--muted);line-height:1.7}
.form-feedback{font-size:13.5px;color:var(--second);min-height:20px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--paper);padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:40px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:36px}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:0}}
.footer-col{padding:0}
@media (min-width:1024px){
  .footer-col{padding:0 28px}
  .footer-col:first-child{padding-left:0}
  .footer-col:last-child{padding-right:0}
  .footer-col + .footer-col{border-left:1px solid rgba(255,255,255,.1)}
}
.footer-logo{font-size:19px;font-weight:800;letter-spacing:-.01em;margin-bottom:6px}
.footer-logo em{font-style:normal;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:rgba(247,245,240,.55);margin-left:6px}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(247,245,240,.62);max-width:300px;margin-top:10px}
.footer-h{font-size:12px;font-weight:600;letter-spacing:.18em;color:rgba(247,245,240,.5);margin-bottom:14px}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:14px;color:rgba(247,245,240,.78);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--accent)}
.footer-contact{display:grid;gap:9px;font-size:13.5px;color:rgba(247,245,240,.72);line-height:1.8}
.footer-contact span{color:rgba(247,245,240,.5)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:18px 0 22px;display:flex;flex-wrap:wrap;gap:8px 20px;
  align-items:center;justify-content:space-between;
  font-size:12.5px;color:rgba(247,245,240,.5);
}
.footer-bottom a{color:rgba(247,245,240,.62);transition:color .2s var(--ease)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 动效 ---------- */
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}
@media (max-width:767px){
  .meta-share{margin-left:0}
  .article-body{font-size:16.5px;line-height:1.9}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
}

/* roulang page: category1 */
:root{
  --ink:#14161A;
  --ink-2:#3D434C;
  --muted:#868C96;
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E4DFD5;
  --accent:#C8452A;
  --accent-strong:#A8341D;
  --accent-soft:#F3E1DA;
  --second:#1F5F55;
  --second-soft:#E3EDEA;
  --radius-btn:4px;
  --radius-card:6px;
  --shadow-hover:0 6px 24px rgba(20,22,26,.06);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:4px;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){.container{padding:0 32px;}}
@media (min-width:1280px){.container{padding:0 40px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,240,.92);
  backdrop-filter:saturate(120%) blur(6px);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{
  background:var(--surface);
  border-bottom-color:var(--line);
  box-shadow:0 2px 12px rgba(20,22,26,.04);
}
.header-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 0 10px;
}
.logo{display:flex;flex-direction:column;gap:2px;line-height:1.2;}
.logo-mark{
  font-size:20px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink);
  display:inline-flex;
  align-items:baseline;
  gap:6px;
}
.logo-mark em{
  font-style:normal;
  font-size:11px;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--accent);
}
.logo-sub{
  font-size:12px;
  color:var(--muted);
  letter-spacing:.04em;
}
.header-cta{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-chips{
  display:flex;
  align-items:center;
  gap:8px;
  padding:6px 0 12px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:transparent;
  color:var(--ink-2);
  font-size:13px;
  font-weight:500;
  letter-spacing:.02em;
  white-space:nowrap;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.chip:hover{border-color:var(--accent);color:var(--accent);}
.chip[aria-current="page"]{
  background:var(--ink);
  border-color:var(--ink);
  color:var(--paper);
}
.chip[aria-current="page"]:hover{color:var(--paper);border-color:var(--ink);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent);}
.btn-primary:hover{background:var(--accent-strong);border-color:var(--accent-strong);transform:translateY(-1px);box-shadow:0 8px 20px rgba(200,69,42,.22);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:10px 18px;font-size:13px;}
.btn-lg{padding:16px 34px;font-size:16px;}
.btn-light{background:var(--surface);color:var(--ink);border-color:var(--surface);}
.btn-light:hover{background:transparent;color:#fff;border-color:#fff;transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background-color:var(--ink);
  background-image:
    linear-gradient(115deg,rgba(20,22,26,.92) 0%,rgba(20,22,26,.74) 48%,rgba(20,22,26,.46) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
  color:#fff;
}
.hero::after{
  content:"";
  position:absolute;
  right:-180px;
  bottom:-260px;
  width:660px;
  height:660px;
  border-radius:50%;
  pointer-events:none;
  background:
    radial-gradient(circle,transparent 0 32.8%,rgba(255,255,255,.07) 32.8% 33%,transparent 33% 65.8%,rgba(255,255,255,.05) 65.8% 66%,transparent 66% 100%);
  border:1px solid rgba(255,255,255,.06);
}
.hero-inner{
  position:relative;
  z-index:2;
  padding:56px 0 60px;
}
@media (min-width:1024px){.hero-inner{padding:84px 0 88px;}}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.62);
  margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.82);border-bottom:1px solid rgba(255,255,255,.24);transition:color .2s var(--ease),border-color .2s var(--ease);}
.breadcrumb a:hover{color:#fff;border-color:var(--accent);}
.breadcrumb span.sep{opacity:.45;}
.breadcrumb .current{color:rgba(255,255,255,.55);}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--accent-soft);
  margin-bottom:18px;
}
.hero-eyebrow::before{
  content:"";
  display:inline-block;
  width:26px;
  height:1px;
  background:var(--accent);
}
.hero-title{
  font-size:38px;
  font-weight:800;
  line-height:1.1;
  letter-spacing:-.02em;
  max-width:15em;
}
@media (min-width:768px){.hero-title{font-size:50px;}}
@media (min-width:1024px){.hero-title{font-size:62px;}}
.hero-title .hl{color:#F0A48E;}
.hero-lead{
  margin-top:20px;
  max-width:640px;
  font-size:16px;
  line-height:1.85;
  color:rgba(255,255,255,.78);
}
@media (min-width:1024px){.hero-lead{font-size:17px;}}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  margin-top:34px;
  border-top:1px solid rgba(255,255,255,.16);
  border-bottom:1px solid rgba(255,255,255,.16);
  padding:18px 0;
}
.meta-item{
  flex:1 1 50%;
  padding:6px 18px 6px 0;
  border-right:1px solid rgba(255,255,255,.14);
}
.meta-item:last-child{border-right:0;}
@media (min-width:900px){.meta-item{flex:1 1 auto;padding-left:22px;}.meta-item:first-child{padding-left:0;}}
@media (max-width:899px){.meta-item:nth-child(2n){border-right:0;padding-left:14px;}}
.meta-label{
  font-size:11px;
  letter-spacing:.16em;
  color:rgba(255,255,255,.5);
  margin-bottom:4px;
}
.meta-value{
  font-size:15px;
  font-weight:600;
  color:#fff;
  font-variant-numeric:tabular-nums;
}
.meta-value small{font-weight:400;font-size:12px;color:rgba(255,255,255,.6);margin-left:6px;}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:32px;
}

/* ---------- Sections ---------- */
.section{padding:64px 0;}
@media (min-width:1024px){.section{padding:100px 0;}}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  padding-top:18px;
  border-top:1px solid var(--line);
  margin-bottom:36px;
}
.eyebrow{
  font-size:12px;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--accent);
  margin-bottom:10px;
  display:block;
}
.eyebrow.green{color:var(--second);}
.sec-title{
  font-size:26px;
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
  max-width:22em;
}
@media (min-width:1024px){.sec-title{font-size:36px;}}
.sec-desc{
  margin-top:12px;
  max-width:640px;
  font-size:15px;
  color:var(--ink-2);
  line-height:1.85;
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  padding-bottom:2px;
  border-bottom:1px solid var(--line);
  transition:color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.link-more:hover{color:var(--accent);border-color:var(--accent);}

/* ---------- Filter bar ---------- */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:26px;
}
.filter-chip{
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--surface);
  color:var(--ink-2);
  font-size:13px;
  font-weight:500;
  cursor:pointer;
  transition:all .2s var(--ease);
}
.filter-chip:hover{border-color:var(--accent);color:var(--accent);}
.filter-chip.is-active{
  background:var(--accent-soft);
  border-color:var(--accent);
  color:var(--accent);
  font-weight:600;
}

/* ---------- Entry rows ---------- */
.entry-list{border-top:1px solid var(--line);}
.entry-row{
  display:grid;
  grid-template-columns:1fr;
  gap:6px;
  padding:24px 0;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
@media (min-width:768px){
  .entry-row{grid-template-columns:74px 1fr 190px;gap:24px;align-items:start;padding:28px 12px;}
  .entry-row:hover{background:var(--surface);}
}
.entry-index{
  font-size:12px;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  padding-top:4px;
}
.entry-title{
  font-size:18px;
  font-weight:600;
  line-height:1.45;
  margin-bottom:8px;
}
@media (min-width:1024px){.entry-title{font-size:20px;}}
.entry-text{
  font-size:15px;
  color:var(--ink-2);
  line-height:1.85;
  max-width:56em;
}
.entry-side{
  display:flex;
  flex-direction:column;
  gap:10px;
  align-items:flex-start;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:500;
  background:var(--second-soft);
  color:var(--second);
  letter-spacing:.02em;
}
.tag-accent{background:var(--accent-soft);color:var(--accent);}
.entry-side .time{
  font-size:13px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}

/* ---------- Stats ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--surface);
}
@media (min-width:900px){.stats{grid-template-columns:repeat(4,1fr);}}
.stat{
  padding:26px 18px;
  border-bottom:1px solid var(--line);
  border-right:1px solid var(--line);
}
@media (min-width:900px){.stat{padding:34px 26px;border-bottom:0;}}
.stat:nth-child(2n){border-right:0;}
@media (min-width:900px){.stat:nth-child(2n){border-right:1px solid var(--line);}.stat:last-child{border-right:0;}}
.stat-num{
  font-size:32px;
  font-weight:700;
  line-height:1.1;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  color:var(--ink);
}
@media (min-width:1024px){.stat-num{font-size:40px;}}
.stat-num em{font-style:normal;font-size:15px;font-weight:600;color:var(--muted);margin-left:4px;}
.stat-label{margin-top:8px;font-size:13px;color:var(--muted);letter-spacing:.02em;}

/* ---------- Timeline ---------- */
.timeline{position:relative;margin-top:8px;}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:1fr;
  gap:4px;
  padding:0 0 30px 30px;
}
.tl-item::before{
  content:"";
  position:absolute;
  left:6px;
  top:8px;
  bottom:-6px;
  width:1px;
  background:var(--line);
}
.tl-item:last-child::before{display:none;}
.tl-dot{
  position:absolute;
  left:0;
  top:7px;
  width:13px;
  height:13px;
  border-radius:50%;
  background:var(--surface);
  border:2px solid var(--accent);
}
.tl-item.is-current .tl-dot::after{
  content:"";
  position:absolute;
  inset:-5px;
  border-radius:50%;
  border:1px solid rgba(200,69,42,.35);
}
@media (min-width:1024px){
  .tl-item{grid-template-columns:120px 1fr;gap:28px;padding:0 0 34px 34px;}
}
.tl-step{
  font-size:13px;
  font-weight:600;
  letter-spacing:.1em;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  padding-top:2px;
}
.tl-body h3{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:6px;
}
@media (min-width:1024px){.tl-body h3{font-size:19px;}}
.tl-body p{font-size:15px;color:var(--ink-2);line-height:1.85;max-width:60em;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}

/* ---------- Split block ---------- */
.split{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  align-items:center;
}
@media (min-width:960px){.split{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;}}
.split-media{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:var(--line);
  aspect-ratio:16/10;
}
.split-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s var(--ease);}
.split-media:hover img{transform:scale(1.03);}
.checklist{margin-top:22px;border-top:1px solid var(--line);}
.checklist li{
  display:flex;
  gap:12px;
  padding:14px 0;
  border-bottom:1px solid var(--line);
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
}
.checklist li strong{color:var(--ink);font-weight:600;}
.check-mark{
  flex:0 0 auto;
  width:18px;
  height:18px;
  margin-top:4px;
  border-radius:50%;
  border:1px solid var(--second);
  color:var(--second);
  font-size:11px;
  line-height:16px;
  text-align:center;
  font-weight:700;
}

/* ---------- Cards grid ---------- */
.grid-3{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media (min-width:700px){.grid-3{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr);gap:24px;}}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:box-shadow .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#D8D2C6;}
.card-media{
  aspect-ratio:16/9;
  background:var(--line);
  overflow:hidden;
}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .45s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5;}
.card-body p{font-size:14px;color:var(--ink-2);line-height:1.8;}
.card-foot{
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 2px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--accent);}
.faq-item.is-open .faq-q{color:var(--accent);}
.faq-icon{
  flex:0 0 auto;
  width:22px;
  height:22px;
  position:relative;
  border:1px solid var(--line);
  border-radius:50%;
  transition:border-color .2s var(--ease),transform .25s var(--ease);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:currentColor;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:9px;height:1px;}
.faq-icon::after{width:1px;height:9px;transition:opacity .2s var(--ease);}
.faq-item.is-open .faq-icon{border-color:var(--accent);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a-inner{
  padding:0 2px 22px;
  font-size:15px;
  line-height:1.9;
  color:var(--ink-2);
  max-width:60em;
  opacity:.2;
  transition:opacity .25s var(--ease);
}
.faq-item.is-open .faq-a-inner{opacity:1;}

/* ---------- Apply / Form ---------- */
.apply{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
}
.apply-grid{display:grid;grid-template-columns:1fr;}
@media (min-width:960px){.apply-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);}}
.apply-info{
  padding:32px 24px;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
@media (min-width:960px){
  .apply-info{padding:44px 40px;border-bottom:0;border-right:1px solid var(--line);}
}
.apply-info h2{font-size:24px;font-weight:700;line-height:1.3;letter-spacing:-.01em;}
@media (min-width:1024px){.apply-info h2{font-size:30px;}}
.apply-info p{margin-top:14px;font-size:15px;color:var(--ink-2);line-height:1.85;}
.apply-points{margin-top:24px;border-top:1px solid var(--line);}
.apply-points li{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:12px 0;
  border-bottom:1px solid var(--line);
  font-size:14px;
  color:var(--ink-2);
}
.apply-points li span:first-child{
  font-size:11px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.apply-form{padding:32px 24px;}
@media (min-width:960px){.apply-form{padding:44px 40px;}}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--ink-2);
  margin-bottom:8px;
  letter-spacing:.02em;
}
.field label .req{color:var(--accent);margin-left:2px;}
.field input,
.field select,
.field textarea{
  width:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  padding:0 14px;
  height:46px;
  font-size:15px;
  color:var(--ink);
  font-family:inherit;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  appearance:none;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field select{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%23868C96' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  padding-right:38px;
}
.field input::placeholder,
.field textarea::placeholder{color:#B4B8BF;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:inset 0 0 0 1px var(--accent);
}
.field-row{display:grid;grid-template-columns:1fr;gap:0;}
@media (min-width:640px){.field-row{grid-template-columns:1fr 1fr;gap:0 16px;}}
.form-hint{font-size:12px;color:var(--muted);line-height:1.7;margin-top:4px;}
.form-foot{display:flex;flex-direction:column;gap:12px;margin-top:6px;}
@media (min-width:640px){.form-foot{flex-direction:row;align-items:center;justify-content:space-between;}}
.form-foot .btn{width:100%;}
@media (min-width:640px){.form-foot .btn{width:auto;min-width:200px;}}
.form-note{font-size:12px;color:var(--muted);line-height:1.7;}

/* ---------- CTA strip ---------- */
.cta-strip{
  position:relative;
  overflow:hidden;
  background-color:var(--ink);
  background-image:linear-gradient(100deg,rgba(20,22,26,.94),rgba(20,22,26,.7)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:56px 0;
}
@media (min-width:1024px){.cta-strip{padding:80px 0;}}
.cta-strip .inner{
  display:flex;
  flex-direction:column;
  gap:24px;
}
@media (min-width:900px){.cta-strip .inner{flex-direction:row;align-items:center;justify-content:space-between;gap:48px;}}
.cta-strip h2{font-size:26px;font-weight:700;line-height:1.3;letter-spacing:-.01em;}
@media (min-width:1024px){.cta-strip h2{font-size:36px;}}
.cta-strip p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.76);line-height:1.85;max-width:52em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);
  color:var(--paper);
  padding:56px 0 0;
  margin-top:0;
}
.foot-quote{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  padding:16px 20px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-card);
  font-size:14px;
  color:rgba(247,245,240,.8);
  margin-bottom:44px;
}
.foot-quote::before{
  content:"用户反馈";
  font-size:11px;
  letter-spacing:.16em;
  color:var(--accent-soft);
  border:1px solid rgba(255,255,255,.18);
  padding:2px 8px;
  border-radius:999px;
}
.foot-quote strong{color:#fff;font-weight:600;}
.foot-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  padding-bottom:44px;
}
@media (min-width:768px){
  .foot-grid{grid-template-columns:repeat(2,1fr);gap:36px 32px;}
}
@media (min-width:1024px){
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:0;}
  .foot-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.1);}
  .foot-col:first-child{padding-left:0;border-left:0;}
  .foot-col:last-child{padding-right:0;}
}
.foot-brand{
  font-size:20px;
  font-weight:800;
  letter-spacing:-.02em;
  color:#fff;
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  margin-bottom:12px;
}
.foot-brand em{font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--accent);font-weight:600;text-transform:uppercase;}
.foot-desc{font-size:14px;line-height:1.9;color:rgba(247,245,240,.62);max-width:28em;}
.foot-title{
  font-size:12px;
  font-weight:600;
  letter-spacing:.18em;
  color:rgba(247,245,240,.45);
  margin-bottom:16px;
}
.foot-links li{margin-bottom:10px;}
.foot-links a{
  font-size:14px;
  color:rgba(247,245,240,.82);
  transition:color .2s var(--ease);
  border-bottom:1px solid transparent;
}
.foot-links a:hover{color:var(--accent);border-bottom-color:rgba(200,69,42,.5);}
.foot-meta{font-size:13px;line-height:2;color:rgba(247,245,240,.62);}
.foot-meta strong{color:rgba(247,245,240,.9);font-weight:600;}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 20px;
  align-items:center;
  justify-content:space-between;
  font-size:12px;
  color:rgba(247,245,240,.45);
  letter-spacing:.02em;
}
.foot-bottom a{color:rgba(247,245,240,.6);transition:color .2s var(--ease);}
.foot-bottom a:hover{color:var(--accent);}

/* ---------- Motion ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
    --ink:#14161A;
    --ink-2:#3D434C;
    --muted:#868C96;
    --paper:#F7F5F0;
    --surface:#FFFFFF;
    --line:#E4DFD5;
    --accent:#C8452A;
    --accent-strong:#A8341D;
    --accent-soft:#F3E1DA;
    --second:#1F5F55;
    --second-soft:#E3EDEA;
    --radius-btn:4px;
    --radius-card:6px;
    --shadow-hover:0 6px 24px rgba(20,22,26,.06);
    --ease:cubic-bezier(.22,.61,.36,1);
    --header-h:64px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  p{color:var(--ink-2);}

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

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:768px){ .container{padding-left:32px;padding-right:32px;} }
  @media (min-width:1280px){ .container{padding-left:40px;padding-right:40px;} }

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:transparent;
    border-bottom:1px solid transparent;
    transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
  }
  .site-header.is-scrolled{
    background:var(--surface);
    border-bottom-color:var(--line);
    box-shadow:0 1px 0 rgba(20,22,26,.03);
  }
  .header-top{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    min-height:56px;
  }
  @media (min-width:1024px){ .header-top{min-height:64px;} }

  .logo{display:flex;flex-direction:column;line-height:1.15;gap:2px;}
  .logo-mark{
    font-size:20px;
    font-weight:800;
    letter-spacing:-.01em;
    color:var(--ink);
    display:inline-flex;
    align-items:baseline;
    gap:6px;
  }
  .logo-mark em{
    font-style:normal;
    font-size:11px;
    font-weight:600;
    letter-spacing:.16em;
    text-transform:uppercase;
    color:var(--second);
  }
  .logo-sub{
    font-size:11px;
    letter-spacing:.06em;
    color:var(--muted);
  }
  .header-cta{display:flex;align-items:center;gap:10px;}

  .nav-chips{
    display:flex;
    gap:8px;
    overflow-x:auto;
    padding:10px 0 12px;
    scrollbar-width:none;
    -ms-overflow-style:none;
  }
  .nav-chips::-webkit-scrollbar{display:none;}
  .chip{
    flex:0 0 auto;
    display:inline-flex;
    align-items:center;
    padding:7px 14px;
    border:1px solid var(--line);
    border-radius:999px;
    background:transparent;
    font-size:13.5px;
    font-weight:500;
    color:var(--ink-2);
    white-space:nowrap;
    transition:border-color .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
  }
  .chip:hover{border-color:var(--accent);color:var(--accent);}
  .chip[aria-current="page"],
  .chip.is-active{
    background:var(--ink);
    border-color:var(--ink);
    color:var(--paper);
  }
  .chip[aria-current="page"]:hover{color:var(--paper);border-color:var(--ink);}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:14px 28px;
    border-radius:var(--radius-btn);
    border:1px solid transparent;
    font-size:15px;
    font-weight:600;
    line-height:1.2;
    cursor:pointer;
    transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
  }
  .btn-sm{padding:9px 18px;font-size:13.5px;}
  .btn-primary{background:var(--accent);color:#fff;}
  .btn-primary:hover{background:var(--accent-strong);transform:translateY(-1px);box-shadow:0 6px 18px rgba(200,69,42,.22);}
  .btn-primary:active{transform:translateY(0);box-shadow:none;}
  .btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
  .btn-ghost:hover{background:var(--ink);color:var(--paper);}
  .btn-light{background:transparent;border-color:rgba(247,245,240,.55);color:var(--paper);}
  .btn-light:hover{background:rgba(247,245,240,.14);border-color:var(--paper);}

  .link-arrow{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--ink);
    border-bottom:1px solid var(--line);
    padding-bottom:2px;
    transition:color .2s var(--ease),border-color .2s var(--ease);
  }
  .link-arrow:hover{color:var(--accent);border-color:var(--accent);}
  .link-arrow svg{transition:transform .2s var(--ease);}
  .link-arrow:hover svg{transform:translateX(3px);}

  /* ---------- Hero ---------- */
  .hero{
    position:relative;
    overflow:hidden;
    background-color:var(--ink);
    background-image:
      linear-gradient(118deg,rgba(20,22,26,.92) 0%,rgba(20,22,26,.74) 46%,rgba(20,22,26,.42) 100%),
      url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center right;
    color:var(--paper);
  }
  .hero::after{
    content:"";
    position:absolute;
    right:-160px;
    bottom:-220px;
    width:620px;
    height:620px;
    border-radius:50%;
    border:1px solid rgba(247,245,240,.08);
    box-shadow:0 0 0 60px rgba(247,245,240,.035),0 0 0 140px rgba(247,245,240,.02);
    pointer-events:none;
  }
  .hero-inner{
    position:relative;
    z-index:2;
    padding:72px 0 64px;
  }
  @media (min-width:1024px){
    .hero-inner{
      display:grid;
      grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
      gap:56px;
      align-items:end;
      padding:104px 0 88px;
    }
  }
  .hero-eyebrow{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:12px;
    font-weight:600;
    letter-spacing:.18em;
    color:var(--accent-soft);
    margin-bottom:20px;
  }
  .hero-eyebrow::before{
    content:"";
    width:28px;
    height:1px;
    background:var(--accent);
  }
  .hero-title{
    font-size:38px;
    line-height:1.1;
    letter-spacing:-.02em;
    font-weight:800;
    color:var(--paper);
    max-width:15em;
  }
  @media (min-width:768px){ .hero-title{font-size:50px;} }
  @media (min-width:1024px){ .hero-title{font-size:62px;} }
  .hero-title span{color:var(--accent-soft);}
  .hero-lead{
    margin-top:20px;
    max-width:34em;
    font-size:16px;
    line-height:1.85;
    color:rgba(247,245,240,.78);
  }
  @media (min-width:1024px){ .hero-lead{font-size:17px;} }

  .hero-meta{
    display:flex;
    flex-wrap:wrap;
    gap:14px 0;
    margin-top:30px;
    padding-top:22px;
    border-top:1px solid rgba(247,245,240,.16);
  }
  .meta-item{
    padding-right:22px;
    margin-right:22px;
    border-right:1px solid rgba(247,245,240,.16);
    min-width:0;
  }
  .meta-item:last-child{border-right:none;padding-right:0;margin-right:0;}
  .meta-label{
    display:block;
    font-size:11.5px;
    letter-spacing:.14em;
    color:rgba(247,245,240,.55);
    margin-bottom:4px;
  }
  .meta-value{
    font-size:15px;
    font-weight:600;
    color:var(--paper);
    font-variant-numeric:tabular-nums;
  }

  .hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:32px;
  }

  .hero-aside{
    margin-top:36px;
    border:1px solid rgba(247,245,240,.2);
    border-radius:var(--radius-card);
    padding:22px 22px 20px;
    background:rgba(20,22,26,.34);
  }
  @media (min-width:1024px){ .hero-aside{margin-top:0;} }
  .hero-aside h2{
    font-size:13px;
    font-weight:600;
    letter-spacing:.14em;
    color:rgba(247,245,240,.6);
    margin-bottom:14px;
  }
  .hero-aside ul li{
    display:flex;
    gap:12px;
    padding:11px 0;
    border-top:1px solid rgba(247,245,240,.12);
    font-size:14.5px;
    color:rgba(247,245,240,.9);
    font-variant-numeric:tabular-nums;
  }
  .hero-aside ul li:first-child{border-top:none;padding-top:0;}
  .hero-aside ul li strong{
    color:var(--accent-soft);
    font-weight:700;
    flex:0 0 auto;
    min-width:56px;
  }

  /* ---------- Section base ---------- */
  .section{padding:64px 0;}
  @media (min-width:1024px){ .section{padding:96px 0;} }
  .section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:12px;
    font-weight:600;
    letter-spacing:.18em;
    color:var(--accent);
    margin-bottom:14px;
  }
  .eyebrow::before{content:"";width:18px;height:1px;background:var(--accent);}
  .h2{
    font-size:26px;
    line-height:1.2;
    letter-spacing:-.01em;
    font-weight:700;
    color:var(--ink);
    max-width:20em;
  }
  @media (min-width:768px){ .h2{font-size:34px;} }
  @media (min-width:1024px){ .h2{font-size:38px;} }
  .section-desc{
    margin-top:14px;
    max-width:46em;
    font-size:15.5px;
    line-height:1.85;
    color:var(--ink-2);
  }
  .section-head{
    display:flex;
    flex-wrap:wrap;
    align-items:flex-end;
    justify-content:space-between;
    gap:18px;
    padding-bottom:26px;
    border-bottom:1px solid var(--line);
    margin-bottom:36px;
  }

  /* ---------- Steps ---------- */
  .steps{
    display:grid;
    gap:22px;
    grid-template-columns:1fr;
  }
  @media (min-width:768px){ .steps{grid-template-columns:repeat(3,1fr);gap:24px;} }
  .step{
    position:relative;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:26px 24px 24px;
    transition:box-shadow .25s var(--ease),transform .25s var(--ease),border-color .25s var(--ease);
  }
  .step:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#D8D1C4;}
  .step-num{
    display:inline-block;
    font-size:12px;
    font-weight:700;
    letter-spacing:.18em;
    color:var(--accent);
    font-variant-numeric:tabular-nums;
    margin-bottom:14px;
  }
  .step h3{
    font-size:19px;
    font-weight:600;
    line-height:1.45;
    color:var(--ink);
    margin-bottom:10px;
  }
  .step p{font-size:14.5px;line-height:1.8;color:var(--ink-2);}
  .step .tag-row{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}

  .tag{
    display:inline-flex;
    align-items:center;
    padding:4px 10px;
    border-radius:999px;
    background:var(--second-soft);
    color:var(--second);
    font-size:12px;
    font-weight:600;
    line-height:1.6;
  }
  .tag-accent{background:var(--accent-soft);color:var(--accent);}

  .figure-block{
    margin-top:32px;
    display:grid;
    gap:24px;
    grid-template-columns:1fr;
    align-items:center;
  }
  @media (min-width:900px){ .figure-block{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:40px;} }
  .figure-media{
    position:relative;
    aspect-ratio:16/10;
    border-radius:var(--radius-card);
    overflow:hidden;
    border:1px solid var(--line);
    background:var(--line);
  }
  .figure-media img{width:100%;height:100%;object-fit:cover;}
  .figure-body h3{
    font-size:20px;
    font-weight:600;
    color:var(--ink);
    margin-bottom:12px;
  }
  .figure-body p{font-size:15px;line-height:1.85;color:var(--ink-2);}
  .bullet-list{margin-top:18px;}
  .bullet-list li{
    position:relative;
    padding-left:22px;
    font-size:14.5px;
    line-height:1.8;
    color:var(--ink-2);
    margin-bottom:10px;
  }
  .bullet-list li::before{
    content:"";
    position:absolute;
    left:0;
    top:12px;
    width:10px;
    height:1px;
    background:var(--accent);
  }

  /* ---------- Compare table ---------- */
  .table-wrap{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    overflow:hidden;
  }
  .compare-table{
    width:100%;
    border-collapse:collapse;
    font-size:14.5px;
  }
  .compare-table caption{
    text-align:left;
    padding:18px 20px;
    font-size:13px;
    color:var(--muted);
    border-bottom:1px solid var(--line);
  }
  .compare-table th{
    text-align:left;
    padding:14px 20px;
    font-size:12.5px;
    letter-spacing:.1em;
    font-weight:600;
    color:var(--muted);
    background:var(--paper);
    border-bottom:1px solid var(--line);
    white-space:nowrap;
  }
  .compare-table td{
    padding:18px 20px;
    border-bottom:1px solid var(--line);
    color:var(--ink-2);
    vertical-align:top;
    line-height:1.75;
  }
  .compare-table tbody tr:last-child td{border-bottom:none;}
  .compare-table tbody tr{transition:background .2s var(--ease);}
  .compare-table tbody tr:hover{background:#FBFAF7;}
  .compare-table td:first-child{
    font-weight:600;
    color:var(--ink);
    font-size:15.5px;
  }
  .compare-table .num{
    font-variant-numeric:tabular-nums;
    font-weight:600;
    color:var(--ink);
  }
  @media (max-width:767px){
    .table-wrap{border:none;background:transparent;border-radius:0;overflow:visible;}
    .compare-table caption{padding:0 0 12px;border:none;}
    .compare-table thead{display:none;}
    .compare-table,.compare-table tbody,.compare-table tr,.compare-table td{display:block;width:100%;}
    .compare-table tr{
      border:1px solid var(--line);
      border-radius:var(--radius-card);
      background:var(--surface);
      padding:6px 16px 12px;
      margin-bottom:14px;
    }
    .compare-table td{
      border:none;
      padding:9px 0;
      display:flex;
      justify-content:space-between;
      gap:16px;
      font-size:14px;
    }
    .compare-table td::before{
      content:attr(data-label);
      flex:0 0 auto;
      font-size:12.5px;
      font-weight:600;
      color:var(--muted);
      letter-spacing:.04em;
      padding-top:2px;
    }
    .compare-table td:first-child{
      display:block;
      font-size:17px;
      border-bottom:1px solid var(--line);
      padding:12px 0 10px;
      margin-bottom:4px;
    }
    .compare-table td:first-child::before{display:none;}
    .compare-table td > span{text-align:right;}
  }

  /* ---------- Scene cards ---------- */
  .scenes{
    display:grid;
    gap:18px;
    grid-template-columns:1fr;
    margin-top:36px;
  }
  @media (min-width:640px){ .scenes{grid-template-columns:repeat(2,1fr);} }
  @media (min-width:1024px){ .scenes{grid-template-columns:repeat(4,1fr);gap:20px;} }
  .scene-card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:22px 20px;
    display:flex;
    flex-direction:column;
    gap:10px;
    transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
  }
  .scene-card:hover{border-color:var(--accent);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
  .scene-card .idx{
    font-size:12px;
    letter-spacing:.18em;
    font-weight:700;
    color:var(--muted);
    font-variant-numeric:tabular-nums;
  }
  .scene-card h3{font-size:17px;font-weight:600;line-height:1.45;color:var(--ink);}
  .scene-card p{font-size:14px;line-height:1.8;color:var(--ink-2);}

  /* ---------- Stats + checklist ---------- */
  .split{
    display:grid;
    gap:36px;
    grid-template-columns:1fr;
  }
  @media (min-width:1024px){ .split{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:start;} }

  .stats{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    overflow:hidden;
    background:var(--surface);
  }
  .stat{
    padding:22px 12px;
    text-align:center;
    border-right:1px solid var(--line);
  }
  .stat:last-child{border-right:none;}
  .stat .value{
    font-size:26px;
    font-weight:700;
    color:var(--ink);
    font-variant-numeric:tabular-nums;
    letter-spacing:-.02em;
    line-height:1.2;
  }
  @media (min-width:640px){ .stat .value{font-size:32px;} }
  .stat .label{
    display:block;
    margin-top:6px;
    font-size:12.5px;
    color:var(--muted);
    line-height:1.5;
  }

  .checklist{margin-top:8px;}
  .checklist li{
    display:flex;
    gap:14px;
    padding:16px 0;
    border-bottom:1px solid var(--line);
    font-size:15px;
    line-height:1.8;
    color:var(--ink-2);
  }
  .checklist li:last-child{border-bottom:none;}
  .checklist .mark{
    flex:0 0 auto;
    width:20px;
    height:20px;
    margin-top:4px;
    border-radius:50%;
    border:1px solid var(--second);
    color:var(--second);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:11px;
    font-weight:700;
  }
  .checklist strong{color:var(--ink);font-weight:600;}

  /* ---------- Voices ---------- */
  .voices{
    display:grid;
    gap:20px;
    grid-template-columns:1fr;
  }
  @media (min-width:768px){ .voices{grid-template-columns:repeat(3,1fr);} }
  .voice{
    background:var(--surface);
    border:1px solid var(--line);
    border-left:3px solid var(--second);
    border-radius:var(--radius-card);
    padding:24px 22px;
    display:flex;
    flex-direction:column;
    gap:16px;
    transition:box-shadow .25s var(--ease),transform .25s var(--ease);
  }
  .voice:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
  .voice p{font-size:15px;line-height:1.85;color:var(--ink-2);}
  .voice .who{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding-top:14px;
    border-top:1px solid var(--line);
    font-size:13px;
    color:var(--muted);
  }
  .voice .who strong{color:var(--ink);font-weight:600;font-size:14px;}

  /* ---------- FAQ ---------- */
  .faq{border-top:1px solid var(--line);margin-top:8px;}
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-q{
    width:100%;
    background:transparent;
    border:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding:20px 0;
    text-align:left;
    font-size:16px;
    font-weight:600;
    line-height:1.6;
    color:var(--ink);
    transition:color .2s var(--ease);
  }
  .faq-q:hover{color:var(--accent);}
  .faq-item.is-open .faq-q{color:var(--accent);}
  .faq-icon{
    flex:0 0 auto;
    width:20px;
    height:20px;
    position:relative;
    color:var(--muted);
    transition:color .2s var(--ease);
  }
  .faq-icon::before,
  .faq-icon::after{
    content:"";
    position:absolute;
    background:currentColor;
    transition:transform .22s var(--ease),opacity .22s var(--ease);
  }
  .faq-icon::before{left:0;top:9.5px;width:20px;height:1px;}
  .faq-icon::after{top:0;left:9.5px;width:1px;height:20px;}
  .faq-item.is-open .faq-icon{color:var(--accent);}
  .faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0;}
  .faq-a{
    max-height:0;
    overflow:hidden;
    opacity:0;
    transition:max-height .26s var(--ease),opacity .22s var(--ease);
  }
  .faq-item.is-open .faq-a{opacity:1;}
  .faq-a-inner{
    padding:0 0 22px;
    max-width:52em;
    font-size:15px;
    line-height:1.9;
    color:var(--ink-2);
  }

  /* ---------- Apply form ---------- */
  .apply-section{background:var(--ink);color:var(--paper);}
  .apply-grid{
    display:grid;
    gap:40px;
    grid-template-columns:1fr;
  }
  @media (min-width:1024px){ .apply-grid{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:64px;align-items:start;} }
  .apply-section .h2{color:var(--paper);}
  .apply-section .section-desc{color:rgba(247,245,240,.72);}
  .apply-section .eyebrow{color:var(--accent-soft);}
  .apply-section .eyebrow::before{background:var(--accent-soft);}
  .apply-points{margin-top:26px;}
  .apply-points li{
    display:flex;
    gap:12px;
    padding:13px 0;
    border-top:1px solid rgba(247,245,240,.14);
    font-size:14.5px;
    color:rgba(247,245,240,.82);
    line-height:1.75;
  }
  .apply-points li:first-child{border-top:none;padding-top:0;}
  .apply-points span{color:var(--accent-soft);font-weight:700;font-variant-numeric:tabular-nums;}

  .form-card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:26px 22px;
    color:var(--ink);
  }
  @media (min-width:768px){ .form-card{padding:32px;} }
  .form-grid{
    display:grid;
    gap:18px;
    grid-template-columns:1fr;
  }
  @media (min-width:640px){
    .form-grid{grid-template-columns:repeat(2,1fr);}
    .field-full{grid-column:1 / -1;}
  }
  .field{display:flex;flex-direction:column;gap:7px;}
  .field label{
    font-size:13px;
    font-weight:600;
    color:var(--ink-2);
    letter-spacing:.02em;
  }
  .field label .req{color:var(--accent);margin-left:3px;}
  .field input,
  .field select,
  .field textarea{
    width:100%;
    height:46px;
    padding:0 14px;
    border:1px solid var(--line);
    border-radius:var(--radius-btn);
    background:var(--surface);
    color:var(--ink);
    font-size:15px;
    font-family:inherit;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .field textarea{height:auto;min-height:110px;padding:12px 14px;line-height:1.7;resize:vertical;}
  .field input::placeholder,
  .field textarea::placeholder{color:#A9AEB6;}
  .field input:focus,
  .field select:focus,
  .field textarea:focus{
    outline:none;
    border-color:var(--accent);
    box-shadow:inset 0 0 0 1px var(--accent);
  }
  .field .hint{font-size:12.5px;color:var(--muted);}
  .form-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:4px;}
  .form-actions .btn{width:100%;}
  @media (min-width:640px){ .form-actions .btn{width:auto;min-width:200px;} }
  .form-note{font-size:12.5px;color:var(--muted);line-height:1.7;}
  .form-feedback{
    grid-column:1 / -1;
    display:none;
    font-size:14px;
    font-weight:600;
    color:var(--second);
    background:var(--second-soft);
    border-radius:var(--radius-btn);
    padding:12px 16px;
    line-height:1.7;
  }
  .form-feedback.is-visible{display:block;}

  /* ---------- Footer ---------- */
  .site-footer{
    background:var(--ink);
    color:var(--paper);
    padding:56px 0 26px;
  }
  .footer-grid{
    display:grid;
    gap:32px;
    grid-template-columns:1fr;
    padding-bottom:34px;
    border-bottom:1px solid rgba(247,245,240,.12);
  }
  @media (min-width:768px){
    .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px;}
  }
  @media (min-width:1024px){
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:0;}
    .footer-col{padding:0 28px;border-left:1px solid rgba(247,245,240,.1);}
    .footer-col:first-child{padding-left:0;border-left:none;}
    .footer-col:last-child{padding-right:0;}
  }
  .footer-col h3{
    font-size:12px;
    letter-spacing:.18em;
    font-weight:600;
    color:rgba(247,245,240,.5);
    margin-bottom:16px;
  }
  .footer-brand{
    font-size:20px;
    font-weight:800;
    letter-spacing:-.01em;
    color:var(--paper);
    display:inline-flex;
    align-items:baseline;
    gap:6px;
    margin-bottom:12px;
  }
  .footer-brand em{
    font-style:normal;
    font-size:11px;
    letter-spacing:.16em;
    color:var(--accent-soft);
    font-weight:600;
  }
  .footer-col p{font-size:13.5px;line-height:1.85;color:rgba(247,245,240,.66);}
  .footer-links li{margin-bottom:11px;}
  .footer-links a{
    font-size:14px;
    color:rgba(247,245,240,.78);
    transition:color .2s var(--ease);
  }
  .footer-links a:hover{color:var(--accent-soft);}
  .footer-quote{
    margin-top:18px;
    padding:14px 16px;
    border:1px solid rgba(247,245,240,.14);
    border-radius:var(--radius-card);
    font-size:13px;
    color:rgba(247,245,240,.7);
    line-height:1.7;
  }
  .footer-quote strong{color:var(--paper);font-weight:600;}
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    gap:10px 24px;
    align-items:center;
    justify-content:space-between;
    padding-top:22px;
    font-size:12.5px;
    color:rgba(247,245,240,.5);
    line-height:1.8;
  }
  .footer-bottom a{color:rgba(247,245,240,.62);}
  .footer-bottom a:hover{color:var(--accent-soft);}

  /* ---------- Motion ---------- */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
  .reveal.is-in{opacity:1;transform:none;}
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
    .reveal{opacity:1;transform:none;}
  }

/* roulang page: category3 */
:root{
    --ink:#14161A;
    --ink-2:#3D434C;
    --muted:#868C96;
    --paper:#F7F5F0;
    --paper-deep:#F1EEE7;
    --surface:#FFFFFF;
    --line:#E4DFD5;
    --accent:#C8452A;
    --accent-strong:#A8341D;
    --accent-soft:#F3E1DA;
    --second:#1F5F55;
    --second-soft:#E3EDEA;
    --r-s:4px;
    --r-m:6px;
    --r-pill:999px;
    --shadow-hover:0 6px 24px rgba(20,22,26,.06);
    --ease:cubic-bezier(.22,.61,.36,1);
    --container:1200px;
    --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    font-family:var(--font);
    background:var(--paper);
    color:var(--ink);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
  }
  h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
  a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease)}
  img{display:block;max-width:100%;height:auto}
  button{font-family:inherit}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px}
  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container{padding:0 32px}}
  @media (min-width:1280px){.container{padding:0 40px}}

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:var(--paper);
    border-bottom:1px solid transparent;
    transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
  }
  .site-header.is-scrolled{
    background:var(--surface);
    border-bottom-color:var(--line);
    box-shadow:0 2px 18px rgba(20,22,26,.05);
  }
  .header-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0 12px}
  .logo{display:inline-flex;flex-direction:column;gap:2px;line-height:1.2;min-width:0}
  .logo-mark{font-size:20px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
  .logo-mark em{font-style:normal;font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-left:7px;vertical-align:3px}
  .logo-sub{font-size:12px;color:var(--muted);letter-spacing:.02em}
  .header-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .nav-chips{
    display:flex;gap:8px;overflow-x:auto;padding:0 0 13px;
    scrollbar-width:none;-webkit-overflow-scrolling:touch;
  }
  .nav-chips::-webkit-scrollbar{display:none}
  .chip{
    flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
    padding:7px 14px;border:1px solid var(--line);border-radius:var(--r-pill);
    font-size:13.5px;color:var(--ink-2);background:transparent;white-space:nowrap;
    transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
  }
  .chip:hover{border-color:var(--accent);color:var(--accent)}
  .chip[aria-current="page"]{background:var(--ink);border-color:var(--ink);color:#fff}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 28px;border-radius:var(--r-s);border:1px solid transparent;
    font-size:15px;font-weight:600;line-height:1.2;text-align:center;cursor:pointer;
    transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
  }
  .btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
  .btn-primary:hover{background:var(--accent-strong);border-color:var(--accent-strong);transform:translateY(-1px);box-shadow:0 8px 20px rgba(200,69,42,.22)}
  .btn-primary:active{transform:translateY(0);box-shadow:none}
  .btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
  .btn-ghost:hover{background:var(--ink);color:#fff}
  .btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
  .btn-light:hover{background:#fff;color:var(--ink);border-color:#fff}
  .btn-sm{padding:9px 18px;font-size:13.5px}
  .btn-block{width:100%}

  /* ---------- Hero ---------- */
  .hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;isolation:isolate}
  .hero-media{position:absolute;inset:0;z-index:0}
  .hero-media img{width:100%;height:100%;object-fit:cover;object-position:center;opacity:.92}
  .hero-media::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(295deg,rgba(20,22,26,.30) 0%,rgba(20,22,26,.68) 52%,rgba(20,22,26,.93) 100%);
  }
  .hero-inner{position:relative;z-index:2;padding:56px 0 48px}
  @media (min-width:1024px){
    .hero-inner{display:grid;grid-template-columns:1.4fr .6fr;gap:56px;align-items:end;padding:104px 0 84px}
  }
  .eyebrow{
    display:flex;align-items:center;gap:10px;margin-bottom:20px;
    font-size:12px;font-weight:600;letter-spacing:.18em;color:rgba(255,255,255,.7);
  }
  .eyebrow::before{content:"";width:32px;height:1px;background:var(--accent)}
  .hero-title{
    font-size:36px;font-weight:800;line-height:1.12;letter-spacing:-.02em;color:#fff;
    max-width:16em;
  }
  @media (min-width:768px){.hero-title{font-size:46px}}
  @media (min-width:1024px){.hero-title{font-size:60px;line-height:1.08}}
  .hero-lead{margin-top:20px;font-size:15.5px;line-height:1.9;color:rgba(255,255,255,.82);max-width:34em}
  @media (min-width:768px){.hero-lead{font-size:16.5px}}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
  .hero-facts{
    display:grid;grid-template-columns:1fr;gap:0;
    margin-top:36px;border-top:1px solid rgba(255,255,255,.18);
  }
  @media (min-width:768px){.hero-facts{grid-template-columns:repeat(3,1fr)}}
  .fact{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.16)}
  .fact:last-child{border-bottom:0}
  @media (min-width:768px){
    .fact{padding:18px 22px;border-bottom:0;border-left:1px solid rgba(255,255,255,.18)}
    .fact:first-child{border-left:0;padding-left:0}
  }
  .fact-label{display:block;font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.6)}
  .fact-value{display:block;margin-top:6px;font-size:15px;font-weight:600;color:#fff;line-height:1.5}
  .hero-aside{
    margin-top:36px;padding:22px;border:1px solid rgba(255,255,255,.24);border-radius:var(--r-m);
  }
  @media (min-width:1024px){.hero-aside{margin-top:0}}
  .aside-title{font-size:12px;letter-spacing:.16em;color:rgba(255,255,255,.62);margin-bottom:14px}
  .aside-list{list-style:none;padding:0;display:grid;gap:12px}
  .aside-list li{position:relative;padding-left:26px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.86)}
  .aside-list li span{
    position:absolute;left:0;top:2px;font-size:11.5px;font-weight:700;letter-spacing:.08em;color:var(--accent);
  }

  /* ---------- Sections ---------- */
  .section{padding:60px 0}
  @media (min-width:1024px){.section{padding:96px 0}}
  .section-surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .section-head{
    display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
    gap:16px 24px;padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:34px;
  }
  .sec-num{display:block;margin-bottom:10px;font-size:12px;font-weight:600;letter-spacing:.18em;color:var(--accent)}
  .sec-title{font-size:25px;font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--ink)}
  @media (min-width:1024px){.sec-title{font-size:36px;line-height:1.22}}
  .sec-desc{margin-top:12px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:54em}
  .sec-link{
    font-size:14px;color:var(--ink);border-bottom:1px solid var(--line);
    padding-bottom:2px;white-space:nowrap;
  }
  .sec-link:hover{color:var(--accent);border-bottom-color:var(--accent)}

  /* ---------- Device cards ---------- */
  .grid-devices{display:grid;gap:18px;grid-template-columns:1fr}
  @media (min-width:640px){.grid-devices{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.grid-devices{grid-template-columns:repeat(4,1fr);gap:20px}}
  .device-card{
    display:flex;flex-direction:column;gap:10px;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
    padding:24px 20px;
    transition:border-color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease);
  }
  .device-card:hover{border-color:#CFC7B8;box-shadow:var(--shadow-hover);transform:translateY(-2px)}
  .device-idx{font-size:11.5px;font-weight:600;letter-spacing:.16em;color:var(--second)}
  .device-name{font-size:18px;font-weight:600;line-height:1.4;color:var(--ink)}
  .device-sys{font-size:13px;color:var(--muted);letter-spacing:.01em}
  .device-list{list-style:none;padding:0;display:grid;gap:8px;margin-top:4px}
  .device-list li{position:relative;padding-left:15px;font-size:14px;line-height:1.72;color:var(--ink-2)}
  .device-list li::before{content:"";position:absolute;left:0;top:.78em;width:7px;height:1px;background:var(--accent)}
  .tag{
    display:inline-flex;align-items:center;align-self:flex-start;margin-top:auto;
    padding:4px 11px;border-radius:var(--r-pill);
    background:var(--second-soft);color:var(--second);
    font-size:12px;font-weight:500;letter-spacing:.02em;
  }
  .tag-accent{background:var(--accent-soft);color:var(--accent)}

  /* ---------- Spec table ---------- */
  .spec-wrap{border:1px solid var(--line);border-radius:var(--r-m);background:var(--surface);overflow:hidden}
  .spec-table{width:100%;border-collapse:collapse;font-size:14.5px}
  .spec-table thead th{
    background:var(--paper-deep);text-align:left;font-weight:600;font-size:12.5px;
    letter-spacing:.08em;color:var(--ink-2);padding:14px 18px;border-bottom:1px solid var(--line);
    white-space:nowrap;
  }
  .spec-table td{padding:16px 18px;border-bottom:1px solid var(--line);color:var(--ink-2);line-height:1.75;vertical-align:top}
  .spec-table tbody tr:last-child td{border-bottom:0}
  .spec-table tbody tr:hover td{background:#FBFAF7}
  .spec-table td:first-child{color:var(--ink);font-weight:600;white-space:nowrap}
  @media (max-width:767px){
    .spec-table thead{display:none}
    .spec-table,.spec-table tbody,.spec-table tr,.spec-table td{display:block;width:100%}
    .spec-table tr{border-bottom:1px solid var(--line);padding:6px 0}
    .spec-table tr:last-child{border-bottom:0}
    .spec-table td{border:0;padding:7px 18px}
    .spec-table td:first-child{padding-top:14px}
    .spec-table td:last-child{padding-bottom:14px}
    .spec-table td::before{
      content:attr(data-label);display:block;margin-bottom:2px;
      font-size:11.5px;letter-spacing:.1em;color:var(--muted);
    }
    .spec-table td:first-child::before{content:attr(data-label)}
  }

  /* ---------- Steps ---------- */
  .steps{display:grid;border-top:1px solid var(--line)}
  .step{
    display:grid;gap:6px;padding:22px 0;border-bottom:1px solid var(--line);
    grid-template-columns:1fr;
  }
  @media (min-width:768px){
    .step{grid-template-columns:92px 1fr;gap:26px;align-items:start;padding:28px 0}
  }
  .step-num{
    font-size:26px;font-weight:700;line-height:1;letter-spacing:-.02em;color:var(--accent);
    font-variant-numeric:tabular-nums;
  }
  @media (min-width:768px){.step-num{font-size:32px}}
  .step h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:6px;color:var(--ink)}
  .step p{font-size:15px;line-height:1.85;color:var(--ink-2);max-width:52em}

  /* ---------- Split ---------- */
  .split{display:grid;gap:28px;grid-template-columns:1fr}
  @media (min-width:1024px){.split{grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}}
  .split-media{border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;background:var(--line)}
  .split-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
  .split-body .sec-title{margin-bottom:14px}
  .split-body > p{font-size:15.5px;line-height:1.9;color:var(--ink-2)}
  .bullet-list{list-style:none;padding:0;display:grid;gap:12px;margin-top:22px}
  .bullet-list li{position:relative;padding-left:20px;font-size:15px;line-height:1.8;color:var(--ink-2)}
  .bullet-list li::before{content:"";position:absolute;left:0;top:.8em;width:9px;height:1px;background:var(--accent)}
  .note{
    margin-top:26px;padding:16px 20px;border-left:3px solid var(--second);
    border-radius:0 var(--r-s) var(--r-s) 0;background:var(--second-soft);
    font-size:14.5px;line-height:1.85;color:var(--ink);
  }

  /* ---------- FAQ ---------- */
  .faq-list{border-top:1px solid var(--line)}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-btn{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:20px 0;border:0;background:none;text-align:left;cursor:pointer;
    font-size:15.5px;font-weight:600;line-height:1.6;color:var(--ink);
    transition:color .2s var(--ease);
  }
  @media (min-width:768px){.faq-btn{font-size:16.5px;padding:22px 0}}
  .faq-btn:hover{color:var(--accent)}
  .faq-btn[aria-expanded="true"]{color:var(--accent)}
  .faq-icon{position:relative;flex:0 0 auto;width:18px;height:18px}
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:currentColor;
    transition:transform .25s var(--ease),opacity .25s var(--ease);
  }
  .faq-icon::before{left:0;top:8.5px;width:18px;height:1px}
  .faq-icon::after{left:8.5px;top:0;width:1px;height:18px}
  .faq-btn[aria-expanded="true"] .faq-icon::after{transform:scaleY(0);opacity:0}
  .faq-panel{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
  .faq-panel-inner{padding:0 0 22px;font-size:14.8px;line-height:1.9;color:var(--ink-2);max-width:56em}

  /* ---------- CTA / Form ---------- */
  .cta-section{background:var(--ink);color:#fff;padding:60px 0}
  @media (min-width:1024px){.cta-section{padding:96px 0}}
  .cta-grid{display:grid;gap:36px;grid-template-columns:1fr}
  @media (min-width:1024px){.cta-grid{grid-template-columns:.92fr 1.08fr;gap:64px;align-items:start}}
  .cta-eyebrow{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:600;letter-spacing:.18em;color:rgba(255,255,255,.62);margin-bottom:16px}
  .cta-eyebrow::before{content:"";width:28px;height:1px;background:var(--accent)}
  .cta-title{font-size:28px;font-weight:800;line-height:1.2;letter-spacing:-.02em;color:#fff}
  @media (min-width:1024px){.cta-title{font-size:42px}}
  .cta-desc{margin-top:16px;font-size:15px;line-height:1.9;color:rgba(255,255,255,.78)}
  .cta-list{list-style:none;padding:0;display:grid;gap:10px;margin-top:26px}
  .cta-list li{position:relative;padding-left:18px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.78)}
  .cta-list li::before{content:"";position:absolute;left:0;top:.82em;width:8px;height:1px;background:var(--accent)}
  .form-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
    padding:22px;color:var(--ink);
  }
  @media (min-width:768px){.form-card{padding:32px}}
  .form-title{font-size:18px;font-weight:700;line-height:1.4}
  .form-sub{margin-top:6px;font-size:13px;color:var(--muted);line-height:1.7}
  .form-grid{display:grid;gap:16px;margin-top:20px}
  .form-row-2{display:grid;gap:16px;grid-template-columns:1fr}
  @media (min-width:640px){.form-row-2{grid-template-columns:1fr 1fr}}
  .field{display:flex;flex-direction:column;gap:6px}
  .field label{font-size:13px;font-weight:500;color:var(--ink-2)}
  .req{color:var(--accent)}
  .field input,.field select,.field textarea{
    width:100%;height:46px;padding:0 14px;
    border:1px solid var(--line);border-radius:var(--r-s);
    background:var(--surface);color:var(--ink);
    font-family:inherit;font-size:15px;line-height:1.4;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
    -webkit-appearance:none;appearance:none;
  }
  .field select{
    padding-right:38px;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23868C96' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat:no-repeat;background-position:right 14px center;
  }
  .field textarea{height:auto;min-height:86px;padding:12px 14px;line-height:1.7;resize:vertical}
  .field input::placeholder,.field textarea::placeholder{color:#B5B0A6}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent);
  }
  .form-hint{font-size:12.5px;color:var(--muted);line-height:1.7}
  .form-note{margin-top:14px;font-size:12.5px;line-height:1.7;color:var(--muted)}
  .form-note a{color:var(--ink-2);border-bottom:1px solid var(--line)}
  .form-note a:hover{color:var(--accent);border-bottom-color:var(--accent)}

  /* ---------- Footer ---------- */
  .site-footer{background:var(--ink);color:var(--paper);padding:52px 0 0}
  @media (min-width:1024px){.site-footer{padding:72px 0 0}}
  .footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
  @media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:36px}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:0}}
  @media (min-width:1024px){
    .footer-col{padding:0 30px;border-left:1px solid rgba(255,255,255,.1)}
    .footer-col:first-child{padding-left:0;border-left:0}
    .footer-col:last-child{padding-right:0}
  }
  .footer-brand{font-size:19px;font-weight:800;letter-spacing:-.01em;line-height:1.3;color:var(--paper)}
  .footer-brand em{font-style:normal;font-size:11px;font-weight:700;letter-spacing:.16em;color:var(--accent);margin-left:6px;vertical-align:3px}
  .footer-sub{margin-top:4px;font-size:12px;letter-spacing:.02em;color:rgba(247,245,240,.52)}
  .footer-desc{margin-top:14px;font-size:13.5px;line-height:1.85;color:rgba(247,245,240,.66)}
  .footer-quote{
    margin-top:18px;padding:12px 14px;border-left:2px solid var(--accent);
    background:rgba(255,255,255,.045);border-radius:0 var(--r-s) var(--r-s) 0;
    font-size:12.8px;line-height:1.8;color:rgba(247,245,240,.82);
  }
  .footer-quote strong{font-weight:600;color:#fff;margin-right:6px}
  .footer-title{font-size:12px;font-weight:600;letter-spacing:.16em;color:rgba(247,245,240,.48);margin-bottom:14px}
  .footer-links{list-style:none;padding:0;display:grid;gap:10px}
  .footer-links a{font-size:13.5px;color:rgba(247,245,240,.72)}
  .footer-links a:hover{color:var(--accent)}
  .footer-links a[aria-current="page"]{color:#fff;border-bottom:1px solid var(--accent);padding-bottom:1px}
  .footer-info{font-size:13px;line-height:1.9;color:rgba(247,245,240,.62)}
  .footer-info strong{display:block;color:rgba(247,245,240,.9);font-weight:600;margin-bottom:2px}
  .footer-bottom{
    margin-top:38px;border-top:1px solid rgba(255,255,255,.1);padding:18px 0 22px;
    display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
    font-size:12.5px;color:rgba(247,245,240,.48);line-height:1.7;
  }
  .footer-bottom a{color:rgba(247,245,240,.62)}
  .footer-bottom a:hover{color:var(--accent)}

  /* ---------- Motion ---------- */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
  .reveal.is-in{opacity:1;transform:none}
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation:none !important;transition:none !important}
    .reveal{opacity:1;transform:none}
    html{scroll-behavior:auto}
  }

/* roulang page: category4 */
:root {
    --ink: #14161A;
    --ink-2: #3D434C;
    --muted: #868C96;
    --paper: #F7F5F0;
    --surface: #FFFFFF;
    --line: #E4DFD5;
    --accent: #C8452A;
    --accent-strong: #A8341D;
    --accent-soft: #F3E1DA;
    --second: #1F5F55;
    --second-soft: #E3EDEA;
    --radius-btn: 4px;
    --radius-card: 6px;
    --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
    --shadow-hover: 0 6px 24px rgba(20, 22, 26, 0.06);
  }

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

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

  body {
    margin: 0;
    font-family: -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: var(--ink);
    background: var(--paper);
    -webkit-font-smoothing: antialiased;
  }

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

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

  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }
  @media (min-width: 768px) { .container { padding: 0 32px; } }
  @media (min-width: 1280px) { .container { padding: 0 40px; } }

  /* ---------- 头部导航 ---------- */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(247, 245, 240, 0.94);
    border-bottom: 1px solid transparent;
    transition: background .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
  }
  .site-header.is-scrolled {
    background: var(--surface);
    border-bottom-color: var(--line);
    box-shadow: 0 2px 12px rgba(20, 22, 26, 0.04);
  }
  .header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 0 10px;
  }
  .logo { display: inline-flex; flex-direction: column; gap: 2px; }
  .logo-mark {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.01em;
    line-height: 1.2;
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
  }
  .logo-mark em {
    font-style: normal;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.14em;
    color: var(--muted);
    text-transform: uppercase;
  }
  .logo-sub {
    font-size: 12px;
    letter-spacing: 0.02em;
    color: var(--muted);
  }
  .header-cta { display: flex; align-items: center; gap: 10px; }

  .nav-chips {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 4px 0 14px;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .nav-chips::-webkit-scrollbar { display: none; }

  .chip {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    padding: 7px 15px;
    font-size: 14px;
    line-height: 1.4;
    color: var(--ink-2);
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 999px;
    white-space: nowrap;
    transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
  }
  .chip:hover { border-color: var(--accent); color: var(--accent); }
  .chip[aria-current="page"] {
    background: var(--ink);
    border-color: var(--ink);
    color: #FFFFFF;
  }

  /* ---------- 按钮 ---------- */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.3;
    border-radius: var(--radius-btn);
    border: 1px solid transparent;
    transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
  }
  .btn-sm { padding: 9px 18px; font-size: 14px; }
  .btn-primary { background: var(--accent); color: #FFFFFF; }
  .btn-primary:hover {
    background: var(--accent-strong);
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(200, 69, 42, 0.22);
  }
  .btn-primary:active { transform: translateY(0); box-shadow: none; }
  .btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
  .btn-ghost:hover { background: var(--ink); color: #FFFFFF; }
  .btn-light { background: #FFFFFF; color: var(--ink); border-color: var(--line); }
  .btn-light:hover { border-color: var(--accent); color: var(--accent); }

  .link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    padding-bottom: 2px;
    border-bottom: 1px solid var(--line);
    transition: color .2s var(--ease), border-color .2s var(--ease);
  }
  .link-arrow:hover { color: var(--accent); border-color: var(--accent); }

  /* ---------- Hero ---------- */
  .hero {
    position: relative;
    overflow: hidden;
    color: #FFFFFF;
    background: #14161A url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  }
  .hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(232deg, rgba(20, 22, 26, 0.48) 0%, rgba(20, 22, 26, 0.9) 78%);
  }
  .hero-ring {
    position: absolute;
    right: -160px;
    bottom: -220px;
    width: 560px;
    height: 560px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    pointer-events: none;
  }
  .hero-ring::after {
    content: "";
    position: absolute;
    inset: 70px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 50%;
  }
  .hero-inner {
    position: relative;
    z-index: 2;
    padding: 68px 0 56px;
    max-width: 760px;
  }
  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.18em;
    color: #E8B7A9;
    margin-bottom: 20px;
  }
  .hero-eyebrow::before {
    content: "";
    width: 26px;
    height: 1px;
    background: var(--accent);
  }
  .hero h1 {
    font-size: clamp(30px, 6.4vw, 54px);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
  }
  .hero h1 span { color: #F0A38C; }
  .hero-lead {
    font-size: 16px;
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.82);
    max-width: 620px;
    margin-bottom: 30px;
  }
  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 40px;
  }
  .hero-actions .btn-ghost { color: #FFFFFF; border-color: rgba(255, 255, 255, 0.45); }
  .hero-actions .btn-ghost:hover { background: #FFFFFF; color: var(--ink); border-color: #FFFFFF; }

  .hero-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
  }
  .fact {
    flex: 1 1 140px;
    min-width: 130px;
    padding: 4px 20px 4px 0;
    border-right: 1px solid rgba(255, 255, 255, 0.16);
  }
  .fact:last-child { border-right: 0; }
  .fact + .fact { padding-left: 20px; }
  .fact dt {
    font-size: 12px;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 4px;
  }
  .fact dd {
    margin: 0;
    font-size: 17px;
    font-weight: 700;
    color: #FFFFFF;
    font-variant-numeric: tabular-nums;
  }

  /* ---------- 板块通用 ---------- */
  .section { padding: 64px 0; }
  @media (min-width: 1024px) { .section { padding: 100px 0; } }
  .section-tight { padding: 48px 0; }
  @media (min-width: 1024px) { .section-tight { padding: 72px 0; } }

  .section-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 32px;
  }
  .section-num {
    display: block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.18em;
    color: var(--accent);
    margin-bottom: 10px;
  }
  .section-head h2 {
    font-size: clamp(22px, 3.2vw, 34px);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.01em;
  }
  .section-desc {
    font-size: 15px;
    color: var(--ink-2);
    max-width: 620px;
    margin-top: 12px;
  }

  /* ---------- 速查卡片 ---------- */
  .quick-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }
  @media (min-width: 640px) { .quick-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (min-width: 1024px) { .quick-grid { grid-template-columns: repeat(4, 1fr); } }

  .quick-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    padding: 24px 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
  }
  .quick-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
  }
  .quick-tag {
    display: inline-flex;
    align-self: flex-start;
    padding: 3px 10px;
    font-size: 12px;
    line-height: 1.6;
    border-radius: 999px;
    background: var(--second-soft);
    color: var(--second);
  }
  .quick-card h3 {
    font-size: 17px;
    font-weight: 600;
    line-height: 1.45;
  }
  .quick-card p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--ink-2);
  }
  .quick-meta {
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid var(--line);
    font-size: 13px;
    color: var(--muted);
    letter-spacing: 0.02em;
  }

  /* ---------- 报错对照 ---------- */
  .err-wrap {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    overflow: hidden;
  }
  .err-head { display: none; }
  .err-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 20px 22px;
    border-top: 1px solid var(--line);
    transition: background .2s var(--ease);
  }
  .err-row:first-child { border-top: 0; }
  .err-row:hover { background: #FBFAF7; }
  .err-cell { font-size: 14.5px; line-height: 1.7; color: var(--ink-2); }
  .err-cell::before {
    content: attr(data-label);
    display: block;
    font-size: 12px;
    letter-spacing: 0.05em;
    color: var(--muted);
    margin-bottom: 2px;
  }
  .err-symptom {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
  }
  .err-symptom::before { color: var(--muted); }
  .err-fix { color: var(--second); font-weight: 500; }

  @media (min-width: 768px) {
    .err-head {
      display: grid;
      grid-template-columns: 1.15fr 1fr 1.35fr;
      gap: 24px;
      padding: 14px 22px;
      background: var(--paper);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.1em;
      color: var(--muted);
    }
    .err-row {
      grid-template-columns: 1.15fr 1fr 1.35fr;
      gap: 24px;
      align-items: start;
      padding: 18px 22px;
    }
    .err-cell::before { display: none; }
  }

  /* ---------- 处理流程 ---------- */
  .flow-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 1px solid var(--line);
  }
  @media (min-width: 768px) { .flow-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (min-width: 1024px) { .flow-grid { grid-template-columns: repeat(4, 1fr); } }

  .flow-step {
    padding: 26px 0 26px;
    border-bottom: 1px solid var(--line);
    position: relative;
  }
  @media (min-width: 768px) {
    .flow-step { padding: 30px 26px 30px 0; border-bottom: 1px solid var(--line); }
    .flow-step:not(:nth-child(2n)) { border-right: 1px solid var(--line); padding-right: 26px; }
    .flow-step:nth-child(2n) { padding-left: 26px; }
  }
  @media (min-width: 1024px) {
    .flow-step { padding: 34px 26px 34px 0; border-right: 1px solid var(--line); border-bottom: 0; }
    .flow-step:nth-child(2n) { padding-left: 0; }
    .flow-step:not(:first-child) { padding-left: 26px; }
    .flow-step:last-child { border-right: 0; padding-right: 0; }
  }
  .flow-num {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.16em;
    color: var(--accent);
    font-variant-numeric: tabular-nums;
    margin-bottom: 12px;
  }
  .flow-step h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
  }
  .flow-step p { font-size: 14.5px; line-height: 1.75; color: var(--ink-2); }

  /* ---------- 自查清单 + 图 ---------- */
  .check-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    align-items: start;
  }
  @media (min-width: 1024px) {
    .check-layout { grid-template-columns: 1fr 0.82fr; gap: 56px; }
  }
  .check-list { border-top: 1px solid var(--line); }
  .check-list li {
    display: flex;
    gap: 14px;
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
    font-size: 15px;
    line-height: 1.75;
  }
  .check-list li strong { font-weight: 600; color: var(--ink); }
  .check-mark {
    flex: 0 0 auto;
    width: 22px;
    height: 22px;
    margin-top: 3px;
    border: 1px solid var(--second);
    border-radius: 3px;
    position: relative;
  }
  .check-mark::after {
    content: "";
    position: absolute;
    left: 6px;
    top: 2px;
    width: 6px;
    height: 11px;
    border-right: 2px solid var(--second);
    border-bottom: 2px solid var(--second);
    transform: rotate(42deg);
  }
  .figure-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    overflow: hidden;
  }
  .figure-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    background: var(--line);
  }
  .figure-body { padding: 20px 22px 24px; }
  .figure-body h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
  .figure-body p { font-size: 14px; line-height: 1.75; color: var(--ink-2); }
  .figure-note {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
    font-size: 13px;
    color: var(--muted);
  }

  /* ---------- FAQ ---------- */
  .faq-list { border-top: 1px solid var(--line); }
  .faq-item { border-bottom: 1px solid var(--line); }
  .faq-q {
    width: 100%;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    padding: 20px 0;
    background: none;
    border: 0;
    text-align: left;
    font-size: 16.5px;
    font-weight: 600;
    line-height: 1.6;
    color: var(--ink);
    transition: color .2s var(--ease);
  }
  .faq-q:hover { color: var(--accent); }
  .faq-q[aria-expanded="true"] { color: var(--accent); }
  .faq-icon {
    flex: 0 0 auto;
    position: relative;
    width: 18px;
    height: 18px;
    margin-top: 4px;
  }
  .faq-icon::before,
  .faq-icon::after {
    content: "";
    position: absolute;
    background: currentColor;
    transition: transform .25s var(--ease), opacity .25s var(--ease);
  }
  .faq-icon::before { left: 0; top: 8px; width: 18px; height: 1.5px; }
  .faq-icon::after { left: 8px; top: 0; width: 1.5px; height: 18px; }
  .faq-q[aria-expanded="true"] .faq-icon::after { transform: rotate(90deg); opacity: 0; }

  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .28s var(--ease);
  }
  .faq-a-inner {
    padding: 0 0 22px;
    font-size: 15px;
    line-height: 1.9;
    color: var(--ink-2);
    max-width: 780px;
  }

  /* ---------- 反馈摘录 ---------- */
  .quote-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }
  @media (min-width: 768px) { .quote-grid { grid-template-columns: repeat(3, 1fr); } }
  .quote-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-left: 3px solid var(--second);
    border-radius: var(--radius-card);
    padding: 24px 22px;
    transition: transform .25s var(--ease), box-shadow .25s var(--ease);
  }
  .quote-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
  .quote-text {
    font-size: 15px;
    line-height: 1.85;
    color: var(--ink-2);
    margin-bottom: 18px;
  }
  .quote-who {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
  }
  .quote-who strong { font-size: 14px; font-weight: 600; }
  .quote-who span { font-size: 13px; color: var(--muted); }

  /* ---------- CTA 表单 ---------- */
  .cta-section {
    background: var(--ink);
    color: #FFFFFF;
    padding: 64px 0;
  }
  @media (min-width: 1024px) { .cta-section { padding: 96px 0; } }
  .cta-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 36px;
    align-items: start;
  }
  @media (min-width: 1024px) { .cta-layout { grid-template-columns: 1fr 1fr; gap: 64px; } }
  .cta-copy h2 {
    font-size: clamp(24px, 3.4vw, 36px);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 16px;
  }
  .cta-copy p {
    font-size: 15px;
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.72);
    margin-bottom: 22px;
  }
  .cta-points { display: flex; flex-direction: column; gap: 10px; }
  .cta-points li {
    display: flex;
    gap: 10px;
    font-size: 14.5px;
    color: rgba(255, 255, 255, 0.78);
  }
  .cta-points li::before {
    content: "";
    flex: 0 0 auto;
    width: 14px;
    height: 1px;
    background: var(--accent);
    margin-top: 13px;
  }

  .form-card {
    background: var(--surface);
    border-radius: var(--radius-card);
    padding: 26px 22px 28px;
    color: var(--ink);
  }
  @media (min-width: 768px) { .form-card { padding: 32px 30px 34px; } }
  .form-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
  .form-card > p { font-size: 13.5px; color: var(--muted); margin-bottom: 22px; }
  .field { margin-bottom: 16px; }
  .field label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--ink-2);
  }
  .field .req { color: var(--accent); }
  .field input,
  .field select,
  .field textarea {
    width: 100%;
    padding: 12px 13px;
    height: 46px;
    font-size: 15px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-btn);
    transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
  }
  .field textarea { height: auto; min-height: 96px; resize: vertical; line-height: 1.7; }
  .field input:focus,
  .field select:focus,
  .field textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: inset 0 0 0 1px var(--accent);
  }
  .field input::placeholder,
  .field textarea::placeholder { color: var(--muted); }
  .field-row { display: grid; grid-template-columns: 1fr; gap: 16px; }
  @media (min-width: 640px) { .field-row { grid-template-columns: 1fr 1fr; } }
  .form-submit { width: 100%; margin-top: 6px; }
  @media (min-width: 640px) { .form-submit { width: auto; min-width: 200px; } }
  .form-hint { font-size: 12.5px; color: var(--muted); margin-top: 12px; line-height: 1.7; }
  .form-alert {
    display: none;
    margin-top: 14px;
    padding: 12px 14px;
    font-size: 13.5px;
    line-height: 1.7;
    color: var(--second);
    background: var(--second-soft);
    border-radius: var(--radius-btn);
  }
  .form-alert.show { display: block; }

  /* ---------- 页脚 ---------- */
  .site-footer {
    background: var(--ink);
    color: rgba(247, 245, 240, 0.72);
    padding: 56px 0 0;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 40px;
  }
  @media (min-width: 768px) {
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 0; }
    .footer-col { padding: 0 24px; border-left: 1px solid rgba(255, 255, 255, 0.1); }
    .footer-col:first-child { padding-left: 0; border-left: 0; }
    .footer-col:last-child { padding-right: 0; }
  }
  .footer-brand {
    font-size: 19px;
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
  }
  .footer-brand em {
    font-style: normal;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.14em;
    color: rgba(247, 245, 240, 0.5);
    margin-left: 6px;
    text-transform: uppercase;
  }
  .footer-about { font-size: 13.5px; line-height: 1.85; color: rgba(247, 245, 240, 0.6); max-width: 300px; }
  .footer-col h4 {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: #FFFFFF;
    margin-bottom: 14px;
  }
  .footer-col ul { display: flex; flex-direction: column; gap: 10px; }
  .footer-col a {
    font-size: 13.5px;
    color: rgba(247, 245, 240, 0.66);
    transition: color .2s var(--ease);
  }
  .footer-col a:hover { color: var(--accent); }
  .footer-col p { font-size: 13.5px; line-height: 1.85; color: rgba(247, 245, 240, 0.6); }
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 18px 0 22px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    justify-content: space-between;
    font-size: 12.5px;
    color: rgba(247, 245, 240, 0.5);
  }

  /* ---------- 动效 ---------- */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .fade-up { animation: fadeUp .5s var(--ease) both; }
  .delay-1 { animation-delay: .06s; }
  .delay-2 { animation-delay: .12s; }
  .delay-3 { animation-delay: .18s; }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: .001ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: .001ms !important;
      scroll-behavior: auto !important;
    }
  }