/* roulang page: index */
:root{
  --brand:#0E3B36;
  --brand-deep:#0A2E2A;
  --brand-soft:#E6EFEC;
  --accent:#E3A33C;
  --accent-soft:#FBF1DF;
  --coral:#F2633C;
  --bg:#F7F4EE;
  --bg-alt:#EFEAE0;
  --line:#E4DED2;
  --text:#1B2A28;
  --muted:#65736F;
  --radius:14px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(14,59,54,.06);
  --shadow-2:0 10px 30px rgba(14,59,54,.10);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.32}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
input,textarea{font:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:68px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--brand);white-space:nowrap;letter-spacing:-.01em}
.brand-mark{width:28px;height:28px;flex:none;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:3px;padding:4px;border-radius:8px;background:var(--brand)}
.brand-mark i{display:block;border-radius:1.5px;background:#79B0A5}
.brand-mark i:nth-child(5){background:var(--accent)}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-link{position:relative;padding:9px 12px;border-radius:8px;font-size:15px;color:#37473F;transition:color .12s ease}
.nav-link:hover{color:var(--brand)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--brand)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-search{display:flex;align-items:center;gap:9px;width:228px;height:40px;padding:0 12px;background:#fff;border:1px solid var(--line);border-radius:10px;transition:border-color .12s ease,box-shadow .12s ease}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px rgba(227,163,60,.2)}
.nav-search svg{flex:none;color:#96A4A0}
.nav-search input{width:100%;border:0;outline:0;background:transparent;font-size:14px;color:var(--text)}
.nav-search input::placeholder{color:#9AA6A2}
.nav-search kbd{flex:none;font-family:inherit;font-size:11.5px;color:#8B9A95;border:1px solid var(--line);border-radius:5px;padding:1px 5px;background:var(--bg)}
.nav-quick{font-size:14.5px;font-weight:600;color:var(--brand);padding:8px 4px;transition:color .12s ease}
.nav-quick:hover{color:var(--accent)}
.nav-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);border-radius:10px;cursor:pointer}
.nav-toggle:hover{border-color:var(--brand)}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 20px 22px}
.mobile-drawer.open{display:block}
.mobile-drawer .drawer-link{display:block;padding:12px 4px;font-size:16px;color:#37473F;border-bottom:1px solid var(--line)}
.mobile-drawer .drawer-link.active{color:var(--brand);font-weight:600}
.mobile-drawer .drawer-search{display:flex;align-items:center;gap:9px;height:46px;padding:0 14px;margin:16px 0 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg)}
.mobile-drawer .drawer-search input{width:100%;border:0;outline:0;background:transparent;font-size:15px}
.mobile-drawer .btn{width:100%}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:background-color .12s ease,border-color .12s ease,color .12s ease,box-shadow .12s ease,transform .12s ease}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);box-shadow:inset 0 0 0 1px rgba(227,163,60,.55)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);box-shadow:var(--shadow-1)}
.btn-accent{background:var(--accent);color:#2A1B05}
.btn-accent:hover{background:#D2912C;box-shadow:inset 0 0 0 1px rgba(255,255,255,.35)}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px}
.btn-text{height:auto;padding:0;background:none;border:0;color:var(--brand);font-weight:600;gap:6px}
.btn-text svg{transition:transform .12s ease}
.btn-text:hover svg{transform:translateX(3px)}

/* ---------- hero ---------- */
.hero{padding:64px 0 72px;background:var(--bg);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-120px;right:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(14,59,54,.07),transparent 68%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;letter-spacing:.06em;color:#A8761F;background:var(--accent-soft);border:1px solid #F0DFC0;border-radius:999px;padding:5px 14px}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--coral)}
.hero h1{font-size:clamp(30px,5vw,48px);color:var(--brand);margin:20px 0 16px}
.hero-sub{font-size:19px;font-weight:600;color:#2C3B38;line-height:1.6}
.hero-desc{font-size:16px;color:var(--muted);margin-top:12px;max-width:560px}
.hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin:28px 0 22px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:14px;color:#7A8884}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent)}
.hero-visual{position:relative;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow-2)}
.hero-visual img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.hero-chip{position:absolute;left:16px;bottom:16px;display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 15px;font-size:13.5px;font-weight:600;color:var(--brand);box-shadow:var(--shadow-1)}
.hero-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--coral)}

/* ---------- sections ---------- */
.section{padding:76px 0}
.section-alt{background:#fff}
.section-warm{background:var(--bg-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:38px}
.section-head .label{font-size:13px;font-weight:600;letter-spacing:.06em;color:#A8761F}
.h2{font-size:clamp(24px,3.6vw,34px);color:var(--brand);margin-top:8px}
.lead{font-size:16px;color:var(--muted);max-width:660px;margin-top:12px}

/* ---------- cards ---------- */
.card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);overflow:hidden;transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease}
.card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2)}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt)}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:18px;color:var(--brand)}
.card-text{font-size:14.5px;color:var(--muted);line-height:1.8}
.card-meta{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:6px;background:var(--bg-alt);border:1px solid var(--line);color:var(--brand);font-size:12.5px;font-weight:600;line-height:1.65}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--coral)}
.badge-accent{background:var(--accent-soft);border-color:#F0DFC0;color:#8A6113}

/* ---------- feature layout ---------- */
.feature-layout{display:grid;grid-template-columns:1.12fr .88fr;gap:24px;align-items:stretch}
.feature-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.feature-main .card-title{font-size:23px}
.feature-main .card-body{padding:26px}
.feature-side .card-media{aspect-ratio:16/7}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{position:relative;padding-top:24px;border-top:2px solid var(--line)}
.step::after{content:"";position:absolute;top:-2px;left:0;width:48px;height:2px;background:var(--accent)}
.step-num{font-size:34px;font-weight:700;color:var(--accent);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.step-title{font-size:19px;color:var(--brand);margin:12px 0 8px}
.step-text{font-size:15px;color:var(--muted)}

/* ---------- news ---------- */
.news-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;align-items:start}
.news-stack{display:grid;gap:16px}
.news-item{display:grid;grid-template-columns:140px 1fr;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px;box-shadow:var(--shadow-1);transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease}
.news-item:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2)}
.news-thumb{aspect-ratio:4/3;border-radius:10px;overflow:hidden;background:var(--bg-alt)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.news-title{font-size:16.5px;font-weight:700;color:var(--brand);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-text{font-size:13.8px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);flex-wrap:wrap}
.news-more{display:flex;justify-content:center;margin-top:32px}
.empty-state{background:#fff;border:1px dashed var(--line);border-radius:var(--radius);padding:52px 24px;text-align:center;box-shadow:var(--shadow-1)}
.empty-state .empty-icon{width:52px;height:52px;margin:0 auto 16px;border-radius:50%;background:var(--bg-alt);display:grid;place-items:center;color:var(--brand)}
.empty-state p{color:var(--muted);font-size:15px}
.empty-state .btn{margin-top:20px}

/* ---------- quotes ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-1);transition:transform .15s ease,border-color .15s ease}
.quote-card:hover{transform:translateY(-4px);border-color:var(--accent)}
.quote-mark{font-size:36px;font-weight:700;color:var(--accent);line-height:1}
.quote-text{font-size:16px;color:#2C3B38;line-height:1.9;margin:12px 0 20px}
.quote-person{display:flex;align-items:center;gap:12px}
.avatar{width:44px;height:44px;flex:none;border-radius:50%;background:var(--brand-soft);border:1px solid var(--line);display:grid;place-items:center;color:var(--brand);font-weight:700;font-size:15px}
.quote-name{font-size:15px;font-weight:600;color:var(--brand)}
.quote-role{font-size:13px;color:var(--muted)}
.logo-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px;justify-content:center}
.logo-chip{padding:11px 20px;border:1px dashed var(--line);border-radius:10px;background:#fff;color:#8B9894;font-size:14px;transition:color .12s ease,border-color .12s ease}
.logo-chip:hover{color:var(--brand);border-color:var(--accent)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);overflow:hidden}
.faq-item.open{border-color:var(--accent)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:19px 24px;background:none;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--brand);cursor:pointer}
.faq-icon{flex:none;color:var(--muted);transition:transform .25s ease}
.faq-item.open .faq-icon{transform:rotate(180deg);color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- cta band ---------- */
.cta-band{background:var(--brand);color:#fff;padding:76px 0}
.cta-band .cta-inner{text-align:center;max-width:720px;margin:0 auto}
.cta-band h2{font-size:clamp(24px,3.4vw,32px);color:#fff}
.cta-band p{font-size:16px;color:#BFD5CF;margin:16px auto 30px;max-width:600px}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:#C7DAD5}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:60px 0 42px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{background:#fff}
.footer-brand .brand-mark i{background:#9CC3BA}
.footer-brand .brand-mark i:nth-child(5){background:var(--accent)}
.footer-about{font-size:14px;color:#9FBAB4;line-height:1.9;max-width:38ch}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.04em}
.footer-link{display:block;font-size:14.5px;color:#9FBAB4;padding:5px 0;transition:color .12s ease}
.footer-link:hover{color:#fff}
.footer-note{font-size:14px;color:#9FBAB4;line-height:1.9}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#87A5A0}
.footer-bottom a{color:#87A5A0}
.footer-bottom a:hover{color:#fff}

/* ---------- floating cta ---------- */
.float-cta{display:none;position:fixed;right:24px;bottom:24px;z-index:70;align-items:center;gap:14px;background:var(--brand);color:#fff;padding:10px 12px 10px 22px;border-radius:999px;box-shadow:var(--shadow-2)}
.float-cta.show{display:flex}
.float-cta-text{font-size:14.5px;font-weight:600;white-space:nowrap}
.float-close{width:28px;height:28px;flex:none;display:grid;place-items:center;border-radius:50%;border:1px solid rgba(255,255,255,.28);background:transparent;color:#fff;cursor:pointer;font-size:16px;line-height:1;transition:background-color .12s ease}
.float-close:hover{background:rgba(255,255,255,.14)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-search{width:170px}
  .nav-link{padding:9px 9px;font-size:14.5px}
  .hero-grid{gap:36px}
  .feature-layout{grid-template-columns:1fr}
  .feature-side{grid-template-rows:none;grid-template-columns:1fr 1fr}
  .news-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:860px){
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-quick{display:none}
  .nav-toggle{display:inline-flex}
  .nav-right{gap:10px}
}
@media (max-width:767px){
  .nav-inner{height:60px}
  .hero{padding:44px 0 52px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-sub{font-size:17px}
  .section{padding:52px 0}
  .section-head{margin-bottom:26px}
  .steps{grid-template-columns:1fr;gap:22px}
  .feature-side{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr}
  .news-item{grid-template-columns:104px 1fr;gap:12px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 32px}
  .cta-band{padding:52px 0}
  .float-cta{left:0;right:0;bottom:0;border-radius:0;height:56px;padding:0 10px 0 16px;justify-content:space-between;gap:10px}
  .float-cta-text{white-space:normal;font-size:13.5px;line-height:1.4}
  .float-close{border:0;width:32px;height:32px}
}
@media (max-width:520px){
  .btn{width:100%;padding:0 18px}
  .btn-text{width:auto}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .hero-actions .btn-text{width:auto}
  .card-body{padding:18px}
  .feature-main .card-body{padding:20px}
  .quote-card{padding:22px}
  .news-item{grid-template-columns:1fr}
  .news-thumb{aspect-ratio:16/9}
  .faq-q{padding:16px 18px;font-size:15.5px}
  .faq-a-inner{padding:0 18px 18px}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category1 */
:root{
  --brand:#0E3B36;
  --brand-2:#17544C;
  --brand-soft:#DCE9E6;
  --accent:#E3A33C;
  --coral:#F2633C;
  --bg:#F7F4EE;
  --bg-alt:#EFEAE0;
  --white:#FFFFFF;
  --line:#E4DED2;
  --text:#1C2A27;
  --muted:#5E6E69;
  --radius:14px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(14,59,54,.06);
  --shadow-2:0 10px 30px rgba(14,59,54,.10);
  --section:80px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
input,button{font-size:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:-.01em;color:var(--brand);flex:0 0 auto}
.brand-mark{
  display:grid;grid-template-columns:repeat(3,1fr);gap:3px;
  width:28px;height:28px;padding:5px;border:1px solid var(--line);
  border-radius:9px;background:var(--white);
}
.brand-mark i{display:block;width:100%;height:100%;border-radius:1.5px;background:var(--brand-2);opacity:.28}
.brand-mark i:nth-child(5){background:var(--accent);opacity:1}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  position:relative;display:inline-block;padding:9px 12px;border-radius:8px;
  font-size:15px;color:var(--muted);transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(14,59,54,.05)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--accent);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;width:210px;
  padding:0 10px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search svg{flex:0 0 auto;color:var(--muted)}
.nav-search input{
  flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;
  font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:#96A29E}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(227,163,60,.16)}
.kbd{
  flex:0 0 auto;font-size:11px;line-height:1;color:var(--muted);
  border:1px solid var(--line);border-radius:5px;padding:3px 5px;background:var(--bg);
}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:42px;height:42px;
  border:1px solid var(--line);background:var(--white);border-radius:var(--radius-sm);
  color:var(--brand);cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 移动抽屉 */
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:var(--white);
  padding:18px 20px 24px;
}
.mobile-drawer.open{display:block}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:46px;padding:0 12px;
  border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg);margin-bottom:16px;
}
.drawer-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:15px}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:16px}
.drawer-nav a{
  padding:12px 12px;border-radius:10px;font-size:15px;color:var(--muted);
  border:1px solid transparent;
}
.drawer-nav a.active{color:var(--brand);font-weight:600;background:var(--bg);border-color:var(--line)}
.drawer-cta{width:100%;justify-content:center}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-2);box-shadow:inset 0 0 0 1px rgba(255,255,255,.28)}
.btn-ghost{background:var(--white);color:var(--brand);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--accent);color:var(--brand-2)}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:#F3EFE7}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px}
.btn-text svg{transition:transform .18s ease}
.btn-text:hover svg{transform:translateX(3px)}

/* ============ 面包屑 ============ */
.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);align-items:center}
.breadcrumbs a{color:var(--muted)}
.breadcrumbs a:hover{color:var(--brand)}
.breadcrumbs .sep{color:#B6BFBB}

/* ============ Hero ============ */
.hero{padding:48px 0 68px;background:var(--bg)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero-title{
  margin-top:18px;font-size:clamp(30px,5vw,48px);line-height:1.2;
  font-weight:700;letter-spacing:-.01em;
}
.hero-title .dot{color:var(--accent)}
.hero-lead{margin-top:18px;max-width:580px;font-size:17px;line-height:1.85;color:var(--muted)}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.anchor-row{margin-top:30px;display:flex;flex-wrap:wrap;gap:10px}
.anchor-chip{
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;font-size:13px;
  background:var(--white);border:1px solid var(--line);border-radius:999px;color:var(--brand);
  transition:border-color .18s ease,transform .18s ease;
}
.anchor-chip:hover{border-color:var(--accent);transform:translateY(-2px)}
.hero-figure{margin:0}
.hero-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.hero-figure figcaption{margin-top:12px;font-size:13px;color:var(--muted)}

/* ============ 板块通用 ============ */
.section{padding:var(--section) 0}
.section-white{background:var(--white)}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:5px 12px;
  font-size:13px;letter-spacing:.04em;color:var(--brand);
  background:var(--white);border:1px solid var(--line);border-radius:6px;
}
.section-alt .eyebrow{background:#fff}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--coral)}
.h2{margin-top:16px;font-size:clamp(24px,3.6vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.01em}
.lead{margin-top:14px;font-size:16px;line-height:1.85;color:var(--muted)}

/* ============ 图文左栏 + 说明右栏 ============ */
.split{display:grid;grid-template-columns:1.4fr .9fr;gap:36px;align-items:start}
.split-main p{font-size:16.5px;line-height:1.9;color:#394844;margin-bottom:18px}
.split-main p:last-child{margin-bottom:0}
.split-figure{margin:0 0 26px}
.split-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line)}
.split-figure figcaption{margin-top:10px;font-size:13px;color:var(--muted)}
.side-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-1);
}
.side-card + .side-card{margin-top:20px}
.side-title{font-size:17px;font-weight:700;margin-bottom:16px}
.side-list li{padding:14px 0;border-top:1px dashed var(--line)}
.side-list li:first-child{border-top:0;padding-top:0}
.side-list h3{font-size:15.5px;font-weight:700;display:flex;align-items:center;gap:8px}
.side-list h3::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto;
}
.side-list p{margin-top:6px;font-size:14px;line-height:1.8;color:var(--muted)}
.stat-row{display:grid;grid-template-columns:1fr;gap:14px}
.stat-item{border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 16px;background:var(--bg)}
.stat-item span{display:block;font-size:13px;color:var(--muted)}
.stat-item strong{display:block;margin-top:4px;font-size:16px;font-weight:700;color:var(--brand)}

/* ============ 条目列表 ============ */
.post-list{display:flex;flex-direction:column;gap:16px}
.post-item{
  display:grid;grid-template-columns:210px 1fr;gap:22px;padding:16px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.post-item:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2)}
.post-thumb{margin:0}
.post-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-sm)}
.post-body{display:flex;flex-direction:column;gap:8px;justify-content:center;min-width:0}
.post-body h3{font-size:18px;font-weight:700;line-height:1.45}
.post-body h3 a:hover{color:var(--brand-2)}
.post-body p{font-size:15px;line-height:1.8;color:var(--muted)}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-top:2px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:3px 9px;font-size:12px;
  color:var(--brand);background:var(--bg);border:1px solid var(--line);border-radius:6px;
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--coral)}
.list-note{margin-top:22px;font-size:14px;color:var(--muted)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:700;color:var(--text);line-height:1.6;
}
.faq-q:hover{background:#FBFAF6}
.faq-arrow{flex:0 0 auto;color:var(--brand);transition:transform .25s ease}
.faq-item.open .faq-arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ============ 相关分类 ============ */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cat-card{
  display:flex;flex-direction:column;gap:12px;padding:26px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.cat-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2)}
.cat-card h3{font-size:18px;font-weight:700}
.cat-card p{font-size:14.5px;line-height:1.8;color:var(--muted)}
.cat-card .btn-text{margin-top:auto}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--brand);color:#fff;border-radius:var(--radius);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.35}
.cta-band p{margin-top:12px;font-size:15.5px;line-height:1.85;color:rgba(231,239,236,.78);max-width:640px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand);color:#E7EFEC;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff}
.site-footer .brand-mark{background:transparent;border-color:rgba(255,255,255,.28)}
.site-footer .brand-mark i{background:rgba(255,255,255,.45);opacity:1}
.site-footer .brand-mark i:nth-child(5){background:var(--accent)}
.footer-about{margin-top:16px;max-width:330px;font-size:14px;line-height:1.85;color:rgba(231,239,236,.72)}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-link{display:block;font-size:14px;padding:5px 0;color:rgba(231,239,236,.72);transition:color .18s ease}
.footer-link:hover{color:#fff}
.footer-note{font-size:14px;line-height:1.85;color:rgba(231,239,236,.72);margin-bottom:10px}
.footer-bottom{
  margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(231,239,236,.62);
}

/* ============ 入场上浮动画 ============ */
.js .reveal{opacity:0;transform:translateY(12px)}
.js .reveal.in{opacity:1;transform:none;transition:opacity .55s ease,transform .55s ease}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none}
  *{transition:none !important;animation:none !important}
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .split{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:960px){
  .nav-links,.nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .hero{padding:34px 0 52px}
  :root{--section:60px}
}
@media (max-width:768px){
  .post-item{grid-template-columns:1fr}
  .post-thumb img{aspect-ratio:16/9}
  .cta-band{padding:32px}
  .cat-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .nav-inner{height:60px;gap:14px}
  .brand{font-size:16px}
  .hero-title{font-size:clamp(26px,7vw,34px)}
  .hero-lead{font-size:16px}
  .btn{height:42px;padding:0 18px;font-size:14.5px}
  .hero-actions{gap:12px}
  .side-card{padding:20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: article */
:root{
  --brand:#0E3B36;
  --brand-soft:#164F47;
  --brand-deep:#0A2B27;
  --accent:#E3A33C;
  --accent-2:#F2633C;
  --bg:#F7F4EE;
  --bg-alt:#EFEAE0;
  --line:#E4DED2;
  --text:#16211F;
  --text-2:#3F4E4A;
  --muted:#6C7A76;
  --radius:14px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(14,59,54,.06);
  --shadow-2:0 10px 30px rgba(14,59,54,.10);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:1.2em;}
.container-x{max-width:var(--maxw);margin:0 auto;padding:0 20px;}
.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 20px;
  height:68px;display:flex;align-items:center;gap:22px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--brand);
  white-space:nowrap;flex:none;
}
.brand-mark{display:grid;grid-template-columns:repeat(3,4px);gap:3px;}
.brand-mark i{width:4px;height:4px;border-radius:1.5px;background:var(--brand);display:block;}
.brand-mark i:nth-child(5){background:var(--accent);}
.brand-mark i:nth-child(9){background:var(--accent-2);}
.nav-links{display:flex;align-items:center;gap:2px;flex:1 1 auto;}
.nav-link{
  position:relative;display:inline-block;padding:9px 12px;border-radius:8px;
  font-size:14.5px;color:var(--text-2);transition:color .12s ease,background-color .12s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(14,59,54,.05);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:10px;flex:none;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:210px;height:38px;padding:0 10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  color:var(--muted);transition:border-color .12s ease,box-shadow .12s ease;
}
.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px rgba(227,163,60,.22);}
.search-box input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:13.5px;}
.search-box input::placeholder{color:#9AA6A2;}
.search-box .kbd{
  font-size:11px;line-height:1;padding:3px 5px;border:1px solid var(--line);
  border-radius:5px;background:var(--bg);color:var(--muted);flex:none;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 18px;border-radius:999px;border:1px solid transparent;
  font-size:14.5px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background-color .12s ease,border-color .12s ease,color .12s ease,box-shadow .12s ease,transform .12s ease;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-soft);box-shadow:inset 0 0 0 1px rgba(255,255,255,.28);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand);}
.btn-ghost:hover{border-color:var(--brand);}
.btn-light{background:#fff;color:var(--brand);}
.btn-light:hover{background:var(--bg-alt);}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14.5px;}
.btn-link .arw{transition:transform .12s ease;}
.btn-link:hover .arw{transform:translateX(3px);}
.menu-toggle{
  display:none;flex-direction:column;justify-content:center;gap:4px;
  width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;flex:none;
}
.menu-toggle span{display:block;height:2px;margin:0 auto;width:16px;background:var(--brand);border-radius:2px;}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;}
.mobile-drawer.open{display:block;}
.mobile-drawer .inner{padding:14px 20px 22px;display:flex;flex-direction:column;gap:10px;}
.mobile-drawer .nav-link{padding:12px 12px;border-radius:10px;font-size:15.5px;}
.mobile-drawer .nav-link.active{background:rgba(14,59,54,.05);}
.mobile-drawer .nav-link.active::after{display:none;}
.mobile-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;
  border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg);
}
.mobile-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:14.5px;}
.mobile-drawer .btn{width:100%;}

/* ---------- 面包屑 + 文章头部 ---------- */
.article-hero{position:relative;padding:38px 0 30px;background:var(--bg);overflow:hidden;}
.hero-wave{position:absolute;left:0;right:0;bottom:-1px;height:56px;color:var(--bg-alt);opacity:.6;pointer-events:none;}
.breadcrumb{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--muted);}
.breadcrumb a{color:var(--muted);transition:color .12s ease;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#B7C1BD;}
.breadcrumb .cur{color:var(--text-2);}
.article-head{position:relative;margin-top:22px;max-width:900px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--brand);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 12px;
}
.article-head h1{
  margin-top:16px;font-size:clamp(30px,4.6vw,46px);line-height:1.25;
  font-weight:700;letter-spacing:-.01em;color:var(--brand-deep);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;font-size:13.5px;color:var(--muted);}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;padding:4px 10px;
  border-radius:6px;background:#fff;border:1px solid var(--line);color:var(--brand);
}
.badge-solid{background:var(--bg-alt);border-color:var(--line);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent-2);display:inline-block;flex:none;}
.meta-sep{width:1px;height:12px;background:var(--line);display:inline-block;}

/* ---------- 正文布局 ---------- */
.article-main{padding:24px 0 8px;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,780px) 300px;gap:56px;
  justify-content:center;align-items:start;
}
.article-body{font-size:17px;line-height:1.9;color:#22302D;word-break:break-word;}
.article-body > * + *{margin-top:1.2em;}
.article-body h2{
  position:relative;padding-left:14px;margin-top:2.1em;
  font-size:clamp(21px,3vw,25px);line-height:1.4;font-weight:700;color:var(--brand-deep);letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;width:3px;height:1em;
  background:var(--accent);border-radius:2px;
}
.article-body h3{margin-top:1.7em;font-size:20px;line-height:1.5;font-weight:700;color:var(--brand);}
.article-body h4{margin-top:1.4em;font-size:17px;font-weight:700;color:var(--brand);}
.article-body p{margin:0;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--accent);}
.article-body ul,.article-body ol{padding-left:1.35em;}
.article-body li + li{margin-top:.5em;}
.article-body blockquote{
  border-left:3px solid var(--brand);background:var(--bg-alt);
  padding:16px 20px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#2C4641;
}
.article-body img{border-radius:12px;margin-left:auto;margin-right:auto;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body hr{border:0;border-top:1px dashed var(--line);}
.article-body table{display:block;width:100%;max-width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;white-space:nowrap;}
.article-body th{background:var(--bg-alt);color:var(--brand);font-weight:600;}
.article-body pre{
  background:var(--brand-deep);color:#E7F0EE;padding:16px 18px;border-radius:12px;
  overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.94em;}
.article-body p code,.article-body li code{background:var(--bg-alt);padding:2px 6px;border-radius:5px;}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:92px;display:flex;flex-direction:column;gap:18px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-1);}
.side-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--brand);margin-bottom:12px;}
.side-title::before{content:"";width:14px;height:2px;border-radius:2px;background:var(--accent);}
.toc-list{display:flex;flex-direction:column;}
.toc-list a{
  display:block;padding:7px 0 7px 12px;font-size:14px;color:var(--text-2);
  border-left:2px solid var(--line);transition:color .12s ease,border-color .12s ease;
}
.toc-list a:hover{color:var(--brand);border-left-color:var(--accent);}
.toc-list a.lvl-3{padding-left:24px;font-size:13.5px;color:var(--muted);}
.toc-empty{font-size:13.5px;color:var(--muted);}
.side-post{display:flex;gap:12px;padding:12px 0;border-top:1px dashed var(--line);}
.side-post:first-of-type{border-top:0;padding-top:0;}
.side-post .thumb{width:64px;height:48px;border-radius:8px;background:var(--bg-alt);flex:none;object-fit:cover;}
.side-post .txt{min-width:0;}
.side-post .t{font-size:14.5px;font-weight:600;color:var(--text);line-height:1.5;display:block;}
.side-post:hover .t{color:var(--brand);}
.side-post .m{font-size:12.5px;color:var(--muted);margin-top:4px;}
.sub-form{display:flex;flex-direction:column;gap:8px;}
.sub-form label{font-size:13px;color:var(--text-2);}
.sub-form input{
  height:44px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--bg);outline:none;transition:border-color .12s ease,box-shadow .12s ease;font-size:14.5px;
}
.sub-form input:focus{border-color:var(--accent);box-shadow:0 0 0 2px rgba(227,163,60,.22);background:#fff;}
.sub-form .btn{width:100%;height:44px;}
.side-note{font-size:12.5px;color:var(--muted);line-height:1.7;}

/* ---------- 标签 / 上下篇 ---------- */
.article-foot{margin-top:40px;padding-top:28px;border-top:1px solid var(--line);}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tag-row .lb{font-size:13.5px;color:var(--muted);}
.tag{
  font-size:13px;padding:6px 14px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--brand);transition:border-color .12s ease,background-color .12s ease;
}
.tag:hover{border-color:var(--accent);background:var(--bg-alt);}
.pn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:26px;}
.pn-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow-1);transition:transform .12s ease,border-color .12s ease,box-shadow .12s ease;
}
.pn-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2);}
.pn-card .lb{font-size:12.5px;color:var(--muted);}
.pn-card .t{display:block;font-size:16px;font-weight:600;color:var(--brand);margin-top:6px;line-height:1.55;}
.pn-card .d{font-size:13.5px;color:var(--text-2);margin-top:8px;}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head .eyebrow{margin-bottom:14px;}
.section-head h2{
  font-size:clamp(24px,3.6vw,34px);line-height:1.3;font-weight:700;
  letter-spacing:-.01em;color:var(--brand-deep);
}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--text-2);}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .12s ease,border-color .12s ease,box-shadow .12s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2);}
.post-thumb{position:relative;aspect-ratio:16/9;background:var(--bg-alt);overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.post-body h3{font-size:18px;font-weight:700;line-height:1.5;color:var(--brand-deep);}
.post-body .sum{font-size:14.5px;color:var(--text-2);line-height:1.75;}
.post-meta{margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);overflow:hidden;}
.faq-item + .faq-item{margin-top:12px;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:700;color:var(--text);line-height:1.55;
}
.faq-q .chev{flex:none;color:var(--accent);transition:transform .25s ease;}
.faq-item.open .faq-q .chev{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:#41504C;}

/* ---------- CTA ---------- */
.cta-band{background:var(--brand);color:#fff;padding:64px 0;position:relative;overflow:hidden;}
.cta-band .inner{position:relative;text-align:center;max-width:720px;margin:0 auto;}
.cta-band h2{font-size:clamp(23px,3.4vw,32px);line-height:1.35;font-weight:700;letter-spacing:-.01em;}
.cta-band p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.82);}
.cta-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.cta-band .wave{position:absolute;left:0;right:0;bottom:-1px;height:60px;color:var(--brand-deep);opacity:.35;pointer-events:none;}

/* ---------- 空态 ---------- */
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
  padding:48px 24px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-state .icon{
  width:52px;height:52px;margin:0 auto 16px;border-radius:14px;background:var(--bg-alt);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
}
.empty-state h2{font-size:20px;font-weight:700;color:var(--brand-deep);}
.empty-state p{margin-top:10px;font-size:15px;color:var(--text-2);}
.empty-state .btn{margin-top:22px;}

/* ---------- 浮动转化条 ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:flex;align-items:center;gap:14px;
  background:var(--brand);color:#fff;border-radius:999px;
  padding:10px 10px 10px 22px;box-shadow:var(--shadow-2);
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .25s ease,transform .25s ease;
}
.float-cta.show{opacity:1;transform:none;pointer-events:auto;}
.float-cta .txt{font-size:14px;color:rgba(255,255,255,.9);}
.float-cta .btn{height:36px;padding:0 16px;font-size:14px;}
.float-close{
  width:30px;height:30px;border-radius:50%;border:1px solid rgba(255,255,255,.28);
  background:transparent;color:rgba(255,255,255,.8);cursor:pointer;line-height:1;flex:none;
  transition:background-color .12s ease,color .12s ease;
}
.float-close:hover{background:rgba(255,255,255,.16);color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand);color:rgba(255,255,255,.82);padding:58px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;}
.footer-brand .brand-mark i{background:rgba(255,255,255,.85);}
.footer-brand .brand-mark i:nth-child(5){background:var(--accent);}
.footer-brand .brand-mark i:nth-child(9){background:var(--accent-2);}
.footer-about{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:340px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-link{display:block;font-size:14px;color:rgba(255,255,255,.72);padding:5px 0;transition:color .12s ease;}
.footer-link:hover{color:#fff;}
.footer-note{font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.8;margin-bottom:8px;}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 24px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease;}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-links,.header-actions{display:none;}
  .menu-toggle{display:flex;margin-left:auto;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .sidebar{position:static;top:auto;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding:60px 0;}
}
@media (max-width:768px){
  .header-inner{height:60px;gap:12px;}
  .article-hero{padding:28px 0 22px;}
  .article-head h1{font-size:clamp(25px,6.6vw,34px);}
  .article-body{font-size:16.5px;}
  .grid-3{grid-template-columns:minmax(0,1fr);}
  .pn-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:52px 0;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:640px){
  .float-cta{left:12px;right:12px;bottom:12px;border-radius:14px;padding:10px 10px 10px 16px;justify-content:space-between;}
  .float-cta .txt{font-size:13.5px;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .post-card:hover,.pn-card:hover{transform:none;}
}

/* roulang page: category2 */
:root{
    --brand:#0E3B36;
    --brand-soft:#155A50;
    --brand-ink:#0A2C28;
    --accent:#E3A33C;
    --coral:#F2633C;
    --bg:#F7F4EE;
    --bg-alt:#EFEAE0;
    --paper:#FFFFFF;
    --line:#E4DED2;
    --text:#1C2B28;
    --muted:#6B7A76;
    --radius:14px;
    --radius-sm:10px;
    --shadow-1:0 1px 2px rgba(14,59,54,.06);
    --shadow-2:0 10px 30px rgba(14,59,54,.10);
    --container:1200px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.85;
    letter-spacing:.01em;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
  button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
  input{font:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.32;color:var(--brand-ink);}
  p{margin:0;}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
  .container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
  .num{font-variant-numeric:tabular-nums;}

  /* ---------- header / nav ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.94);
    backdrop-filter:saturate(150%) blur(8px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{
    display:flex;align-items:center;gap:22px;
    height:68px;
  }
  .brand{
    display:flex;align-items:center;gap:10px;
    font-weight:700;font-size:18px;color:var(--brand-ink);
    white-space:nowrap;
  }
  .brand-mark{
    display:grid;grid-template-columns:repeat(3,4px);grid-template-rows:repeat(3,4px);
    gap:2px;width:16px;height:16px;
  }
  .brand-mark i{background:var(--brand);border-radius:1px;display:block;}
  .brand-mark i:nth-child(5){background:var(--accent);}
  .brand-mark i:nth-child(9){background:var(--coral);}
  .nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
  .nav-link{
    position:relative;
    padding:8px 12px;
    font-size:15px;color:#41524E;
    border-radius:8px;
  }
  .nav-link:hover{color:var(--brand);background:var(--bg-alt);}
  .nav-link.active{color:var(--brand);font-weight:600;}
  .nav-link.active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
    background:var(--brand);border-radius:2px;
  }
  .header-tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
  .command-search{
    display:flex;align-items:center;gap:8px;
    height:40px;padding:0 12px;
    background:var(--bg);
    border:1px solid var(--line);
    border-radius:var(--radius-sm);
    color:var(--muted);font-size:14px;
    min-width:190px;
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .command-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(227,163,60,.18);}
  .command-search input{
    border:0;background:transparent;outline:none;width:100%;color:var(--text);font-size:14px;
  }
  .command-search input::placeholder{color:#9AA6A2;}
  .cmd-key{
    font-size:11px;color:#8A9793;border:1px solid var(--line);background:#fff;
    border-radius:5px;padding:1px 5px;white-space:nowrap;
  }
  .link-quiet{font-size:14px;color:#41524E;}
  .link-quiet:hover{color:var(--brand);}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 20px;border-radius:999px;
    font-size:15px;font-weight:600;
    border:1px solid transparent;
    transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
  }
  .btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1);}
  .btn-primary:hover{background:var(--brand-ink);box-shadow:inset 0 0 0 1px rgba(255,255,255,.22),var(--shadow-1);}
  .btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand);}
  .btn-ghost:hover{background:#F2F6F4;}
  .btn-accent{background:var(--accent);color:#2B1B03;}
  .btn-accent:hover{background:#D0912C;}
  .btn-sm{height:40px;padding:0 16px;font-size:14px;}
  .btn-text{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--brand);font-weight:600;font-size:15px;
  }
  .btn-text i{transition:transform .18s ease;}
  .btn-text:hover i{transform:translateX(3px);}
  .menu-toggle{
    display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
    background:#fff;color:var(--brand);align-items:center;justify-content:center;
  }
  .mobile-drawer{
    display:none;border-top:1px solid var(--line);background:#fff;
    padding:16px 20px 22px;
  }
  .mobile-drawer.open{display:block;}
  .mobile-drawer .nav-link{display:block;padding:12px 4px;border-bottom:1px solid var(--line);border-radius:0;}
  .mobile-drawer .nav-link.active::after{display:none;}
  .mobile-drawer .command-search{margin:14px 0 12px;min-width:0;width:100%;}
  .mobile-drawer .btn{width:100%;margin-top:8px;}

  /* ---------- hero ---------- */
  .hero{
    position:relative;
    background-color:var(--bg);
    background-image:linear-gradient(180deg,rgba(247,244,238,.92),rgba(247,244,238,.98)),url('/assets/images/backpic/back-1.webp');
    background-size:cover;
    background-position:center;
    border-bottom:1px solid var(--line);
    overflow:hidden;
  }
  .wave{position:absolute;left:0;right:0;bottom:0;height:64px;opacity:.5;pointer-events:none;}
  .hero-grid{
    position:relative;
    display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
    padding:56px 0 72px;
  }
  .breadcrumb{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb span.sep{color:#B9C1BE;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;color:var(--brand);background:#fff;border:1px solid var(--line);
    border-radius:999px;padding:5px 12px;
  }
  .dot{width:7px;height:7px;border-radius:50%;background:var(--coral);display:inline-block;}
  .hero h1{
    font-size:clamp(30px,5vw,48px);
    margin:18px 0 0;
  }
  .hero h1 em{font-style:normal;color:var(--brand-soft);}
  .hero-lead{
    margin-top:16px;font-size:17px;color:#3E4F4B;max-width:600px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:26px;}
  .hero-trust{
    display:flex;flex-wrap:wrap;gap:22px;margin-top:28px;padding-top:22px;
    border-top:1px dashed var(--line);
  }
  .trust-item{font-size:14px;color:var(--muted);}
  .trust-item strong{display:block;font-size:22px;color:var(--brand);line-height:1.4;}
  .hero-figure{
    position:relative;border-radius:var(--radius);overflow:hidden;
    border:1px solid var(--line);box-shadow:var(--shadow-2);background:#fff;
  }
  .hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .hero-figure figcaption{
    padding:12px 16px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);background:#fff;
  }
  .anchor-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
  .anchor-chip{
    font-size:13px;color:var(--brand);background:#fff;border:1px solid var(--line);
    border-radius:999px;padding:6px 14px;
  }
  .anchor-chip:hover{border-color:var(--accent);box-shadow:var(--shadow-1);}

  /* ---------- sections ---------- */
  section{padding:80px 0;}
  section.tight{padding:64px 0;}
  .bg-paper{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .bg-alt{background:var(--bg-alt);}
  .sec-head{max-width:760px;}
  .sec-kicker{
    font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:700;
  }
  .sec-head h2{font-size:clamp(24px,3.6vw,34px);margin-top:10px;}
  .sec-head p{margin-top:14px;color:#42534F;}

  /* ---------- timeline ---------- */
  .timeline{margin-top:44px;position:relative;}
  .timeline::before{
    content:"";position:absolute;left:27px;top:8px;bottom:8px;width:2px;
    background:linear-gradient(180deg,var(--accent),#D9D2C4);
  }
  .tl-item{position:relative;padding-left:78px;margin-bottom:28px;}
  .tl-item:last-child{margin-bottom:0;}
  .tl-num{
    position:absolute;left:0;top:0;width:56px;height:56px;border-radius:50%;
    background:#fff;border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;
    font-size:20px;font-weight:700;color:var(--accent);
    font-variant-numeric:tabular-nums;box-shadow:var(--shadow-1);
  }
  .tl-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:22px 24px;box-shadow:var(--shadow-1);
    transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .tl-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2);}
  .tl-card h3{font-size:20px;}
  .tl-card p{margin-top:8px;color:#42534F;font-size:15.5px;}
  .tl-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
  .chip{
    font-size:12.5px;color:var(--brand);background:var(--bg);border:1px solid var(--line);
    border-radius:6px;padding:3px 10px;
  }

  /* ---------- entry list ---------- */
  .entry-list{margin-top:40px;display:grid;gap:16px;}
  .entry{
    display:grid;grid-template-columns:168px 1fr auto;gap:22px;align-items:center;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:16px;box-shadow:var(--shadow-1);
    transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .entry:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2);}
  .entry-thumb{border-radius:10px;overflow:hidden;border:1px solid var(--line);}
  .entry-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    font-size:12.5px;color:var(--brand);background:var(--bg);
    border:1px solid var(--line);border-radius:6px;padding:2px 9px;
  }
  .entry h3{font-size:18px;margin-top:10px;}
  .entry p{margin-top:8px;color:#485956;font-size:15px;}
  .meta{
    display:flex;flex-wrap:wrap;gap:14px;margin-top:12px;
    font-size:13px;color:var(--muted);
  }
  .entry-cta{align-self:center;white-space:nowrap;}

  /* ---------- voices ---------- */
  .voice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:40px;}
  .voice{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:24px;box-shadow:var(--shadow-1);
    transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .voice:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2);}
  .voice-top{display:flex;align-items:center;gap:12px;}
  .avatar{
    width:44px;height:44px;border-radius:50%;overflow:hidden;border:1px solid var(--line);flex:none;
  }
  .avatar img{width:100%;height:100%;object-fit:cover;}
  .voice-name{font-weight:600;color:var(--brand-ink);font-size:15px;}
  .voice-role{font-size:13px;color:var(--muted);}
  .voice blockquote{margin:16px 0 0;font-size:15.5px;color:#3E4F4B;}
  .partner-row{
    display:flex;flex-wrap:wrap;gap:14px 28px;margin-top:28px;
    padding-top:24px;border-top:1px dashed var(--line);
  }
  .partner{font-size:14px;color:#9AA6A2;letter-spacing:.04em;}

  /* ---------- faq ---------- */
  .faq-list{margin-top:36px;display:grid;gap:14px;max-width:900px;}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow-1);overflow:hidden;
  }
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 22px;text-align:left;font-size:17px;font-weight:700;color:var(--brand-ink);
  }
  .faq-q i{color:var(--accent);transition:transform .25s ease;flex:none;}
  .faq-item.open .faq-q i{transform:rotate(180deg);}
  .faq-a{
    max-height:0;overflow:hidden;transition:max-height .3s ease;
  }
  .faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.8;color:#485956;}

  /* ---------- cta band ---------- */
  .cta-band{
    background:var(--brand);color:#fff;border-radius:18px;
    padding:48px 40px;text-align:center;position:relative;overflow:hidden;
  }
  .cta-band::after{
    content:"";position:absolute;inset:auto -60px -80px auto;width:240px;height:240px;
    border-radius:50%;background:rgba(227,163,60,.16);
  }
  .cta-band h2{color:#fff;font-size:clamp(22px,3vw,30px);position:relative;}
  .cta-band p{color:rgba(255,255,255,.82);margin:14px auto 0;max-width:620px;position:relative;}
  .cta-band .btn{margin-top:26px;position:relative;}

  /* ---------- related ---------- */
  .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px;}
  .rel-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:22px;box-shadow:var(--shadow-1);
    transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .rel-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2);}
  .rel-card h3{font-size:17px;margin-top:12px;}
  .rel-card p{margin-top:8px;font-size:14.5px;color:#4C5D59;}
  .rel-more{margin-top:14px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
  .rel-more i{transition:transform .18s ease;}
  .rel-card:hover .rel-more i{transform:translateX(3px);}
  .back-row{margin-top:34px;display:flex;justify-content:center;}

  /* ---------- floating bar ---------- */
  .float-bar{
    position:fixed;right:24px;bottom:24px;z-index:70;
    display:flex;align-items:center;gap:16px;
    background:var(--brand);color:#fff;
    border-radius:999px;padding:12px 14px 12px 22px;
    box-shadow:var(--shadow-2);
    transform:translateY(24px);opacity:0;pointer-events:none;
    transition:transform .28s ease,opacity .28s ease;
    max-width:min(560px,calc(100vw - 40px));
  }
  .float-bar.show{transform:translateY(0);opacity:1;pointer-events:auto;}
  .float-bar p{font-size:14.5px;margin:0;}
  .float-close{
    width:28px;height:28px;border-radius:50%;background:rgba(255,255,255,.14);
    display:flex;align-items:center;justify-content:center;color:#fff;flex:none;
  }
  .float-close:hover{background:rgba(255,255,255,.26);}

  /* ---------- footer ---------- */
  .site-footer{background:var(--brand);color:rgba(255,255,255,.86);margin-top:0;}
  .footer-grid{
    display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;
    padding:64px 0 44px;
  }
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;}
  .footer-brand .brand-mark i{background:rgba(255,255,255,.75);}
  .footer-brand .brand-mark i:nth-child(5){background:var(--accent);}
  .footer-brand .brand-mark i:nth-child(9){background:var(--coral);}
  .footer-about{margin-top:16px;font-size:14.5px;color:rgba(255,255,255,.7);max-width:360px;line-height:1.9;}
  .footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.04em;}
  .footer-link{display:block;font-size:14.5px;color:rgba(255,255,255,.74);padding:5px 0;}
  .footer-link:hover{color:#fff;}
  .footer-note{font-size:14px;color:rgba(255,255,255,.66);padding:4px 0;line-height:1.85;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    border-top:1px solid rgba(255,255,255,.14);
    padding:20px 0 26px;font-size:13px;color:rgba(255,255,255,.62);
  }

  /* ---------- reveal ---------- */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease;}
  .reveal.in{opacity:1;transform:none;}

  /* ---------- responsive ---------- */
  @media (max-width:1024px){
    .hero-grid{grid-template-columns:1fr;gap:36px;padding:44px 0 60px;}
    .hero-figure{order:-1;}
    .related-grid{grid-template-columns:1fr 1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
    section{padding:64px 0;}
  }
  @media (max-width:768px){
    .nav-links,.header-tools .command-search,.header-tools .link-quiet,.header-tools .btn{display:none;}
    .menu-toggle{display:inline-flex;}
    .header-inner{height:60px;}
    .entry{grid-template-columns:1fr;gap:16px;}
    .entry-thumb{max-width:100%;}
    .voice-grid{grid-template-columns:1fr;}
    .related-grid{grid-template-columns:1fr;}
    .float-bar{left:16px;right:16px;bottom:0;border-radius:14px 14px 0 0;padding:12px 14px;justify-content:space-between;}
    .cta-band{padding:36px 22px;}
  }
  @media (max-width:520px){
    body{font-size:15.5px;}
    section{padding:52px 0;}
    .timeline::before{left:20px;}
    .tl-item{padding-left:58px;}
    .tl-num{width:42px;height:42px;font-size:17px;}
    .hero-trust{gap:16px;}
    .trust-item strong{font-size:19px;}
    .footer-grid{grid-template-columns:1fr;padding:48px 0 32px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none!important;animation:none!important;}
    .reveal{opacity:1;transform:none;}
  }

/* roulang page: category3 */
:root{
    --brand:#0E3B36;
    --brand-soft:#155A52;
    --accent:#E3A33C;
    --coral:#F2633C;
    --bg:#F7F4EE;
    --bg-alt:#EFEAE0;
    --surface:#FFFFFF;
    --line:#E4DED2;
    --text:#1C2B28;
    --muted:#6B7C78;
    --radius:14px;
    --shadow-1:0 1px 2px rgba(14,59,54,.06);
    --shadow-2:0 10px 30px rgba(14,59,54,.10);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.85;
    font-weight:400;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font:inherit;cursor:pointer;}
  input{font:inherit;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  .container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  .num{font-variant-numeric:tabular-nums;}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.92);
    border-bottom:1px solid var(--line);
    backdrop-filter:saturate(140%) blur(8px);
  }
  .header-inner{
    height:68px;display:flex;align-items:center;gap:22px;
  }
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .brand-text{font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--brand);}
  .brand-mark{
    width:30px;height:30px;display:grid;grid-template-columns:repeat(3,1fr);
    grid-template-rows:repeat(3,1fr);gap:2px;padding:4px;border-radius:9px;
    background:var(--brand);
  }
  .brand-mark i{display:block;border-radius:1.5px;background:rgba(255,255,255,.35);}
  .brand-mark i:nth-child(1),.brand-mark i:nth-child(5),.brand-mark i:nth-child(9){background:var(--accent);}
  .nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
  .nav-link{
    position:relative;display:inline-block;padding:8px 12px;border-radius:8px;
    font-size:15px;color:var(--muted);transition:color .12s ease,background-color .12s ease;
  }
  .nav-link:hover{color:var(--brand);background:var(--bg-alt);}
  .nav-link.active{color:var(--brand);font-weight:600;}
  .nav-link.active::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
    background:var(--accent);border-radius:2px;
  }
  .header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
  .cmd-search{
    display:flex;align-items:center;gap:8px;height:40px;padding:0 12px;
    background:var(--bg-alt);border:1px solid var(--line);border-radius:10px;
    transition:border-color .14s ease,box-shadow .14s ease,background-color .14s ease;
  }
  .cmd-search i{color:var(--muted);font-size:13px;}
  .cmd-search input{
    border:0;outline:0;background:transparent;width:132px;font-size:14px;color:var(--text);
  }
  .cmd-search input::placeholder{color:var(--muted);}
  .cmd-search kbd{
    font-family:inherit;font-size:11px;color:var(--muted);
    border:1px solid var(--line);border-radius:5px;padding:1px 5px;background:#fff;
  }
  .cmd-search:focus-within{border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(227,163,60,.18);}
  .link-quiet{font-size:14px;color:var(--muted);transition:color .12s ease;}
  .link-quiet:hover{color:var(--brand);}
  .nav-toggle{
    display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
    background:#fff;color:var(--brand);font-size:16px;align-items:center;justify-content:center;
  }
  .nav-toggle:hover{border-color:var(--accent);}
  .drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 20px 20px;}
  .drawer.open{display:block;}
  .drawer .nav-link{display:block;padding:11px 10px;font-size:16px;border-radius:10px;}
  .drawer .nav-link.active::after{display:none;}
  .drawer .cmd-search{margin:10px 0 12px;height:46px;}
  .drawer .cmd-search input{width:100%;}
  .drawer .btn{width:100%;justify-content:center;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 20px;border-radius:999px;border:1px solid transparent;
    font-size:15px;font-weight:600;transition:background-color .12s ease,border-color .12s ease,color .12s ease,transform .12s ease;
    white-space:nowrap;
  }
  .btn-primary{background:var(--brand);color:#fff;}
  .btn-primary:hover{background:var(--brand-soft);box-shadow:inset 0 0 0 1px rgba(227,163,60,.75);}
  .btn-outline{background:#fff;color:var(--brand);border-color:var(--brand);}
  .btn-outline:hover{background:var(--bg-alt);border-color:var(--accent);}
  .btn-ghost{background:transparent;color:var(--brand);padding:0 6px;height:auto;}
  .btn-ghost i{transition:transform .12s ease;}
  .btn-ghost:hover i{transform:translateX(3px);}
  .btn:focus-visible,.nav-link:focus-visible,.link-quiet:focus-visible,.footer-link:focus-visible,
  .faq-q:focus-visible,.nav-toggle:focus-visible,.card-link:focus-visible{
    outline:2px solid var(--accent);outline-offset:2px;border-radius:8px;
  }

  /* ---------- 通用区块 ---------- */
  .section{padding:76px 0;}
  .section-alt{background:var(--bg-alt);}
  .section-head{max-width:720px;margin-bottom:36px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;
    color:var(--brand-soft);text-transform:none;margin-bottom:12px;
  }
  .eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px;}
  h1{font-size:clamp(30px,5vw,48px);line-height:1.24;font-weight:700;letter-spacing:-.01em;}
  h2{font-size:clamp(24px,3.6vw,34px);line-height:1.3;font-weight:700;letter-spacing:-.01em;}
  h3{font-size:20px;line-height:1.45;font-weight:700;}
  .lead{font-size:17px;color:var(--muted);margin-top:16px;max-width:620px;}
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;}
  .crumb a:hover{color:var(--brand);}
  .crumb .sep{color:#B9B2A4;}

  /* ---------- Hero ---------- */
  .hero{padding:56px 0 68px;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
  .hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:30px;}
  .hero-facts{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line);}
  .fact{min-width:130px;}
  .fact b{display:block;font-size:24px;line-height:1.2;color:var(--brand);font-variant-numeric:tabular-nums;}
  .fact span{font-size:13px;color:var(--muted);}
  .hero-visual{
    position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
    box-shadow:var(--shadow-2);background:var(--bg-alt);
  }
  .hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
  .hero-visual figcaption{
    position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:13px;color:#fff;
    background:linear-gradient(180deg,rgba(14,59,54,0) 0%,rgba(14,59,54,.86) 100%);
  }
  .anchor-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
  .anchor-row a{
    font-size:13px;padding:6px 13px;border-radius:999px;border:1px solid var(--line);
    background:#fff;color:var(--brand-soft);transition:border-color .12s ease,color .12s ease;
  }
  .anchor-row a:hover{border-color:var(--accent);color:var(--brand);}

  /* ---------- 信息卡 ---------- */
  .info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow-1);padding:26px;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;
  }
  .card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2);}
  .card .ico{
    width:42px;height:42px;border-radius:12px;background:var(--bg-alt);color:var(--brand);
    display:flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:16px;
  }
  .card p.desc{color:var(--muted);font-size:15px;margin-top:10px;}
  .badge{
    display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:3px 9px;border-radius:6px;
    background:var(--bg-alt);color:var(--brand);border:1px solid var(--line);
  }
  .badge-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--coral);}

  /* ---------- 版本条目网格 ---------- */
  .version-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
  .v-card{
    display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);
    transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;
  }
  .v-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2);}
  .v-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--bg-alt);}
  .v-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
  .v-body h3{font-size:19px;}
  .v-body p{font-size:15px;color:var(--muted);}
  .v-meta{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted);
    margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  }
  .card-link{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--brand);}
  .card-link i{transition:transform .12s ease;}
  .card-link:hover i{transform:translateX(3px);}
  .card-link:hover{color:var(--brand-soft);}

  /* ---------- 流程步骤 ---------- */
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
  .steps::before{
    content:"";position:absolute;top:26px;left:4%;right:4%;height:1px;background:var(--line);
  }
  .step{position:relative;padding-top:64px;}
  .step .idx{
    position:absolute;top:0;left:0;width:52px;height:52px;border-radius:14px;background:#fff;
    border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
    font-size:19px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;
  }
  .step h3{font-size:17px;margin-bottom:8px;}
  .step p{font-size:14.5px;color:var(--muted);}

  /* ---------- 订阅（深色区块） ---------- */
  .subscribe{background:var(--brand);color:#fff;border-radius:calc(var(--radius) + 6px);padding:48px;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;}
  .subscribe h2{color:#fff;}
  .subscribe p{color:rgba(255,255,255,.78);margin-top:14px;font-size:15.5px;}
  .form-field{margin-bottom:16px;}
  .form-field label{display:block;font-size:13px;color:rgba(255,255,255,.82);margin-bottom:8px;}
  .form-row{display:flex;gap:12px;}
  .form-row input{
    flex:1 1 auto;height:48px;padding:0 16px;border-radius:10px;border:1px solid rgba(255,255,255,.28);
    background:rgba(255,255,255,.08);color:#fff;outline:0;transition:border-color .14s ease,background-color .14s ease;
  }
  .form-row input::placeholder{color:rgba(255,255,255,.5);}
  .form-row input:focus{border-color:var(--accent);background:rgba(255,255,255,.14);box-shadow:0 0 0 3px rgba(227,163,60,.22);}
  .form-row .btn{height:48px;background:var(--accent);color:#2A1B04;border-color:transparent;}
  .form-row .btn:hover{background:#F0B657;}
  .form-note{font-size:12.5px;color:rgba(255,255,255,.6);margin-top:10px;}

  /* ---------- FAQ ---------- */
  .faq-list{display:grid;gap:14px;max-width:860px;}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);overflow:hidden;}
  .faq-item.is-open{border-color:var(--accent);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:20px 24px;background:transparent;border:0;text-align:left;
    font-size:17px;font-weight:700;color:var(--text);
  }
  .faq-q i{color:var(--brand);font-size:14px;transition:transform .2s ease;flex:0 0 auto;}
  .faq-item.is-open .faq-q i{transform:rotate(180deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease;}
  .faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--muted);}

  /* ---------- 相关分类 ---------- */
  .rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .rel-card{
    display:flex;flex-direction:column;gap:10px;padding:26px;background:#fff;
    border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);
    transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease;
  }
  .rel-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2);}
  .rel-card p{font-size:14.5px;color:var(--muted);}
  .rel-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-top:34px;}

  /* ---------- 悬浮转化条 ---------- */
  .float-bar{
    position:fixed;right:24px;bottom:24px;z-index:70;display:flex;align-items:center;gap:14px;
    background:var(--brand);color:#fff;border-radius:999px;padding:10px 12px 10px 22px;
    box-shadow:var(--shadow-2);transform:translateY(140%);opacity:0;
    transition:transform .3s ease,opacity .3s ease;
  }
  .float-bar.show{transform:translateY(0);opacity:1;}
  .float-bar span{font-size:14px;}
  .float-bar .btn{height:38px;padding:0 18px;font-size:14px;}
  .float-close{
    width:30px;height:30px;border-radius:50%;border:1px solid rgba(255,255,255,.28);
    background:transparent;color:rgba(255,255,255,.8);font-size:12px;
  }
  .float-close:hover{color:#fff;border-color:var(--accent);}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--brand);color:rgba(255,255,255,.82);padding:64px 0 26px;margin-top:0;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
  .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:16px;}
  .footer-brand .brand-mark{background:rgba(255,255,255,.12);}
  .footer-about{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.72);max-width:340px;}
  .footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
  .footer-link{display:block;font-size:14.5px;color:rgba(255,255,255,.72);padding:5px 0;transition:color .12s ease;}
  .footer-link:hover{color:#fff;}
  .footer-note{font-size:14.5px;color:rgba(255,255,255,.68);margin-bottom:8px;}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
    margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);
    font-size:13px;color:rgba(255,255,255,.6);
  }

  /* ---------- 动效与响应式 ---------- */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease;}
  .reveal.in{opacity:1;transform:none;}

  @media (max-width:1024px){
    .hero-grid{grid-template-columns:1fr;gap:34px;}
    .info-grid{grid-template-columns:1fr 1fr;}
    .steps{grid-template-columns:1fr 1fr;gap:30px 24px;}
    .steps::before{display:none;}
    .subscribe{grid-template-columns:1fr;gap:28px;padding:36px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  }
  @media (max-width:860px){
    .nav-links,.header-actions .cmd-search,.header-actions .link-quiet,.header-actions .btn-primary{display:none;}
    .nav-toggle{display:flex;}
    .header-inner{height:60px;}
  }
  @media (max-width:768px){
    .section{padding:56px 0;}
    .version-grid{grid-template-columns:1fr;}
    .rel-grid{grid-template-columns:1fr;}
    .hero-facts{gap:20px;}
    .fact{min-width:104px;}
  }
  @media (max-width:600px){
    .info-grid{grid-template-columns:1fr;}
    .steps{grid-template-columns:1fr;}
    .form-row{flex-direction:column;}
    .form-row .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;}
    .float-bar{left:16px;right:16px;bottom:14px;padding:10px 12px 10px 16px;justify-content:space-between;}
    .float-bar span{font-size:13px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;}
    .reveal{opacity:1;transform:none;}
    html{scroll-behavior:auto;}
  }

/* roulang page: category4 */
:root{
    --brand:#0E3B36;
    --brand-soft:#1A5A51;
    --brand-ink:#08231F;
    --accent:#E3A33C;
    --coral:#F2633C;
    --bg:#F7F4EE;
    --bg-alt:#EFEAE0;
    --surface:#FFFFFF;
    --line:#E4DED2;
    --text:#1D2A27;
    --muted:#6B7B76;
    --radius:14px;
    --radius-sm:10px;
    --shadow-1:0 1px 2px rgba(14,59,54,.06);
    --shadow-2:0 10px 30px rgba(14,59,54,.10);
    --container:1200px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
    font-size:16px;line-height:1.85;color:var(--text);
    background:var(--bg);
    font-variant-numeric:tabular-nums;
  }
  img{max-width:100%;display:block;height:auto}
  a{color:inherit;text-decoration:none}
  button{font:inherit;cursor:pointer}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0}
  ul,ol{padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
  .container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
  .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:80;
    background:rgba(255,255,255,.94);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{height:68px;display:flex;align-items:center;gap:20px}
  .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:-.01em;color:var(--brand);flex:0 0 auto}
  .brand-mark{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;width:18px;height:18px;flex:0 0 auto}
  .brand-mark i{background:var(--brand);border-radius:1px}
  .brand-mark i:nth-child(5){background:var(--accent)}
  .nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
  .nav-link{position:relative;padding:8px 12px;font-size:15px;color:var(--muted);border-radius:8px;transition:color .18s ease}
  .nav-link:hover{color:var(--brand)}
  .nav-link.active{color:var(--brand);font-weight:600}
  .nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;background:var(--accent);border-radius:2px}
  .header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
  .command-search{
    display:flex;align-items:center;gap:8px;height:40px;padding:0 12px;
    background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-sm);
    min-width:216px;transition:border-color .18s ease,box-shadow .18s ease;
  }
  .command-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(227,163,60,.18)}
  .command-search i{color:var(--muted);font-size:13px}
  .command-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--text)}
  .command-search input::placeholder{color:var(--muted)}
  .kbd{font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:1px 5px;background:#fff;line-height:1.5}
  .link-quiet{font-size:14px;color:var(--muted);transition:color .18s ease}
  .link-quiet:hover{color:var(--brand)}
  .nav-toggle{
    display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;
    align-items:center;justify-content:center;flex-direction:column;gap:4px;
  }
  .nav-toggle span{display:block;width:16px;height:2px;background:var(--brand);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
  .mobile-nav{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 20px 24px}
  .mobile-nav.open{display:block}
  .mobile-nav .nav-link{display:block;padding:12px 4px;font-size:16px;border-bottom:1px solid var(--line)}
  .mobile-nav .nav-link.active::after{display:none}
  .mobile-nav .command-search{width:100%;min-width:0;margin:16px 0 12px}
  .mobile-nav .btn{width:100%}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 24px;border-radius:999px;border:1px solid transparent;
    font-size:15px;font-weight:600;white-space:nowrap;
    transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  }
  .btn-sm{height:40px;padding:0 18px;font-size:14px}
  .btn-primary{background:var(--brand);color:#fff}
  .btn-primary:hover{background:var(--brand-ink);box-shadow:inset 0 0 0 1px rgba(227,163,60,.55)}
  .btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
  .btn-ghost:hover{background:var(--bg-alt)}
  .btn-accent{background:var(--accent);color:#2A1B02}
  .btn-accent:hover{background:#D2912B}
  .btn-text{
    display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);
    padding:8px 2px;transition:color .2s ease;
  }
  .btn-text i{transition:transform .2s ease;font-size:13px}
  .btn-text:hover{color:var(--brand-soft)}
  .btn-text:hover i{transform:translateX(3px)}

  /* ---------- 通用板块 ---------- */
  .section{padding:88px 0}
  .section-alt{background:var(--bg-alt)}
  .section-white{background:var(--surface)}
  .section-dark{background:var(--brand);color:#fff}
  .section-head{max-width:760px;margin:0 0 44px}
  .section-head.center{margin-left:auto;margin-right:auto;text-align:center}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;
    color:var(--brand-soft);background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px 14px;margin-bottom:16px;
  }
  .section-dark .eyebrow{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.22);color:#E8DFCE}
  .section-title{font-size:clamp(24px,3.6vw,34px);font-weight:700;letter-spacing:-.01em;line-height:1.35}
  .section-lead{margin-top:14px;font-size:16px;color:var(--muted);line-height:1.85}
  .section-dark .section-lead{color:rgba(255,255,255,.78)}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
  .breadcrumb a{color:var(--muted);transition:color .18s ease}
  .breadcrumb a:hover{color:var(--brand)}
  .breadcrumb .sep{color:#C3BCAE}
  .breadcrumb .current{color:var(--brand-soft);font-weight:600}

  /* ---------- Hero ---------- */
  .hero{padding:40px 0 80px;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);border-bottom:1px solid var(--line)}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;margin-top:26px}
  .hero h1{font-size:clamp(30px,5vw,48px);font-weight:700;letter-spacing:-.01em;line-height:1.25;margin-top:18px}
  .hero h1 .hl{color:var(--brand);}
  .hero-sub{margin-top:18px;font-size:17px;color:var(--muted);max-width:56ch}
  .hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;align-items:center;gap:18px}
  .anchor-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
  .anchor-chip{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand);
    background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 15px;box-shadow:var(--shadow-1);
    transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .anchor-chip:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow-2)}
  .anchor-chip .dot{width:6px;height:6px;border-radius:50%;background:var(--coral);display:inline-block}
  .hero-figure{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-2);background:var(--bg-alt)}
  .hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
  .hero-figure figcaption{padding:12px 16px;font-size:13px;color:var(--muted);background:#fff;border-top:1px solid var(--line)}

  /* ---------- 速览条 ---------- */
  .overview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
  .overview-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;
    box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .overview-item:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2)}
  .overview-num{font-size:26px;font-weight:700;color:var(--accent);line-height:1}
  .overview-item h3{font-size:18px;font-weight:700;margin-top:14px}
  .overview-item p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8}

  /* ---------- 徽章 / 标签 ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--brand);
    background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:3px 9px;line-height:1.6;
  }
  .badge .status{width:6px;height:6px;border-radius:50%;background:var(--coral);display:inline-block}

  /* ---------- 问答手风琴 ---------- */
  .faq-group{display:grid;grid-template-columns:250px 1fr;gap:36px;padding:38px 0;border-top:1px dashed var(--line)}
  .faq-group:first-of-type{border-top:0;padding-top:8px}
  .group-head h3{font-size:20px;font-weight:700;letter-spacing:-.01em}
  .group-index{display:block;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--accent);margin-bottom:10px}
  .group-head p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.8}
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow-1);overflow:hidden;margin-bottom:12px;
    transition:border-color .22s ease,box-shadow .22s ease;
  }
  .faq-item:last-child{margin-bottom:0}
  .faq-item:hover{border-color:#D8D0BE}
  .faq-item.open{border-color:var(--accent);box-shadow:var(--shadow-2)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:18px 22px;background:none;border:0;text-align:left;
    font-size:17px;font-weight:700;color:var(--text);line-height:1.6;
  }
  .faq-q i{color:var(--accent);font-size:14px;flex:0 0 auto;transition:transform .28s ease}
  .faq-item.open .faq-q i{transform:rotate(180deg)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
  .faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--muted)}
  .faq-a-inner p+p{margin-top:10px}
  .faq-a-inner ul{margin-top:10px;display:grid;gap:6px}
  .faq-a-inner li{position:relative;padding-left:16px}
  .faq-a-inner li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;border-radius:50%;background:var(--accent)}

  /* ---------- 步骤条 ---------- */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative}
  .step{padding:0 28px;position:relative}
  .step:first-child{padding-left:0}
  .step:last-child{padding-right:0}
  .step+.step::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:1px;background:var(--line)}
  .step-num{font-size:30px;font-weight:700;color:var(--accent);line-height:1;letter-spacing:-.02em}
  .step h3{margin-top:14px;font-size:19px;font-weight:700}
  .step p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.85}

  /* ---------- 图文反馈块 ---------- */
  .split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
  .split-figure{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-2);background:var(--bg-alt)}
  .split-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
  .check-list{margin-top:24px;display:grid;gap:14px}
  .check-list li{display:flex;gap:12px;font-size:15px;line-height:1.8;color:var(--muted)}
  .check-list i{color:var(--brand);font-size:15px;margin-top:5px;flex:0 0 auto}
  .check-list strong{color:var(--text);font-weight:600}

  /* ---------- 分类互链卡 ---------- */
  .card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .card{
    display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
    border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2)}
  .card-media{position:relative;background:var(--bg-alt)}
  .card-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
  .card-body{padding:22px;display:flex;flex-direction:column;flex:1;gap:12px}
  .card h3{font-size:19px;font-weight:700;line-height:1.5}
  .card p{font-size:15px;color:var(--muted);line-height:1.8}
  .card-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);padding-top:8px;border-top:1px solid var(--line)}
  .card-meta .dot-sep{color:#C3BCAE}

  /* ---------- 深色 CTA ---------- */
  .cta-band{padding:76px 0}
  .cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px}
  .cta-inner h2{font-size:clamp(22px,3.2vw,30px);font-weight:700;letter-spacing:-.01em}
  .cta-inner p{margin-top:12px;font-size:16px;color:rgba(255,255,255,.78);max-width:60ch}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--brand);color:#fff;padding:68px 0 28px;margin-top:0}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:-.01em}
  .footer-brand .brand-mark i{background:rgba(255,255,255,.72)}
  .footer-brand .brand-mark i:nth-child(5){background:var(--accent)}
  .footer-about{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);max-width:38ch}
  .footer-title{font-size:14px;font-weight:700;letter-spacing:.06em;color:#fff;margin-bottom:16px}
  .footer-link{display:block;font-size:14px;color:rgba(255,255,255,.72);padding:5px 0;transition:color .18s ease}
  .footer-link:hover{color:#fff}
  .footer-note{font-size:14px;color:rgba(255,255,255,.68);line-height:1.9;margin-bottom:8px}
  .footer-bottom{
    margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
    font-size:13px;color:rgba(255,255,255,.6);
  }

  /* ---------- 悬浮转化条 ---------- */
  .float-cta{
    position:fixed;right:24px;bottom:24px;z-index:90;
    display:flex;align-items:center;gap:14px;
    background:var(--brand);color:#fff;border-radius:999px;
    padding:10px 12px 10px 22px;box-shadow:var(--shadow-2);
    font-size:14px;
  }
  .float-close{
    width:28px;height:28px;border-radius:50%;border:1px solid rgba(255,255,255,.28);
    background:transparent;color:#fff;line-height:1;font-size:15px;
    display:flex;align-items:center;justify-content:center;transition:background-color .2s ease;
  }
  .float-close:hover{background:rgba(255,255,255,.14)}

  /* ---------- 进场动效 ---------- */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
  .reveal.is-visible{opacity:1;transform:none}

  /* ---------- 响应式 ---------- */
  @media (max-width:1199px){
    .overview-grid{grid-template-columns:repeat(2,1fr)}
  }
  @media (max-width:1023px){
    .command-search{display:none}
    .link-quiet{display:none}
    .hero-grid{grid-template-columns:1fr;gap:36px}
    .split{grid-template-columns:1fr;gap:32px}
    .faq-group{grid-template-columns:1fr;gap:18px;padding:30px 0}
    .card-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
    .section{padding:68px 0}
  }
  @media (max-width:767px){
    .nav-links{display:none}
    .header-actions .btn-primary{display:none}
    .nav-toggle{display:flex}
    .header-inner{height:60px}
    .hero{padding:26px 0 56px}
    .hero h1{margin-top:14px}
    .steps{grid-template-columns:1fr;gap:26px}
    .step{padding:0}
    .step+.step::before{display:none}
    .card-grid{grid-template-columns:1fr}
    .overview-grid{grid-template-columns:1fr}
    .section{padding:56px 0}
    .cta-band{padding:58px 0}
    .cta-inner{flex-direction:column;align-items:flex-start}
    .float-cta{
      left:0;right:0;bottom:0;border-radius:0;justify-content:space-between;
      padding:10px 16px;
    }
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important}
    html{scroll-behavior:auto}
    .reveal{opacity:1;transform:none}
  }