/* roulang page: index */
:root{
  --paper:#F6F3EC;--surface:#FFFFFF;--surface-2:#FBF9F4;
  --ink:#23201C;--ink-2:#6B655C;--ink-3:#9A9388;
  --brand:#16453E;--brand-mid:#2C6A5F;--brand-soft:#E4EDE9;
  --accent:#C9663A;--accent-soft:#FBEBE2;
  --line:#E3DED3;--line-strong:#CFC8B9;
  --r-sm:8px;--r-md:14px;--r-lg:20px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(35,32,28,.06);
  --sh-2:0 10px 24px -14px rgba(35,32,28,.28);
  --sh-3:0 18px 40px -22px rgba(22,69,62,.35);
  --wrap:1200px;--gutter:24px;
  --sec-y:96px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-mid)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:1.15em}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter);width:100%}
.section{padding:var(--sec-y) 0}
.section--tight{padding:64px 0}
.section--alt{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部倒计时条 ---------- */
.topbar{background:var(--brand);color:#F6F3EC;position:sticky;top:0;z-index:60}
.topbar .inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;padding:6px 0}
.topbar-text{font-size:13.5px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.topbar-text strong{font-weight:600}
.countdown{display:inline-flex;align-items:baseline;gap:6px;background:var(--accent-soft);color:var(--accent);padding:2px 12px;border-radius:var(--r-pill);font-weight:700;font-size:15px;line-height:1.7}
.countdown b{font-size:20px;font-weight:700}
.topbar-link{display:inline-block;padding:5px 14px;border-radius:var(--r-pill);background:#F6F3EC;color:var(--brand);font-size:13px;font-weight:600;white-space:nowrap}
.topbar-link:hover{background:var(--accent-soft);color:var(--accent)}

/* ---------- 导航 ---------- */
.site-header{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:44px;z-index:55;transition:box-shadow .2s ease}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px;transition:height .2s ease}
.site-header.is-stuck .nav-wrap{height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--ink);letter-spacing:.01em;white-space:nowrap}
.logo:hover{color:var(--brand)}
.logo-mark{width:30px;height:30px;border-radius:9px;background:var(--brand);position:relative;flex:0 0 auto}
.logo-mark::after{content:"";position:absolute;inset:8px;border-radius:4px;background:var(--accent)}
.logo small{display:block;font-size:11px;font-weight:500;color:var(--ink-3);letter-spacing:.14em;line-height:1}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.nav-chips{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;flex:1 1 auto;padding:4px 0}
.nav-chips::-webkit-scrollbar{display:none}
.chip{display:inline-block;padding:7px 16px;border-radius:var(--r-pill);border:1px solid var(--line);font-size:13.5px;color:var(--ink-2);background:transparent;white-space:nowrap;transition:all .18s ease}
.chip:hover{background:var(--brand-soft);color:var(--brand);border-color:var(--brand-soft)}
.chip[aria-current="page"],.chip.is-active{background:var(--brand);border-color:var(--brand);color:#F6F3EC}
.nav-cta{flex:0 0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:10px;font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease}
.btn:hover{transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn:active{transform:none;box-shadow:none}
.btn-primary{background:var(--accent);color:#FFF8F4}
.btn-primary:hover{background:#B5562E;color:#FFF8F4}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand)}
.btn-ghost{background:transparent;color:var(--brand);padding:8px 0;border:none}
.btn-ghost:hover{box-shadow:none;transform:none;color:var(--accent)}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:10px}
.burger{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:var(--surface);align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer}
.burger span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:.2s}
.mobile-panel{display:none;background:var(--surface);border-top:1px solid var(--line);padding:16px 0 20px}
.mobile-panel.open{display:block}
.mobile-panel .chip{display:inline-block;margin:0 8px 8px 0}
.mobile-panel .btn{width:100%;margin-top:8px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:78px 0 64px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(22,69,62,.4) 1px,transparent 1px);background-size:22px 22px;opacity:.05;pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-soft);padding:5px 14px;border-radius:var(--r-pill);margin-bottom:20px}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
h1{font-size:46px;line-height:1.24;font-weight:700;letter-spacing:.01em;color:var(--ink)}
.hero-sub{margin-top:20px;font-size:16.5px;color:var(--ink-2);line-height:1.85;max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-figure{position:relative}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;border:1px solid var(--line);box-shadow:var(--sh-3)}
.hero-badge{position:absolute;left:-18px;bottom:22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:12px 18px;box-shadow:var(--sh-2);font-size:13px;color:var(--ink-2);line-height:1.5}
.hero-badge strong{display:block;font-size:20px;color:var(--brand);line-height:1.3}

/* ---------- 信任条 ---------- */
.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:56px;border-top:1px solid var(--line);padding-top:28px}
.trust-item{padding:0 28px;border-left:1px solid var(--line)}
.trust-item:first-child{border-left:none;padding-left:0}
.trust-item b{display:block;font-size:28px;font-weight:700;color:var(--brand);line-height:1.3;font-variant-numeric:tabular-nums}
.trust-item span{font-size:14px;color:var(--ink-2)}

/* ---------- 卖点 ---------- */
.section-head{max-width:640px}
.section-head h2{font-size:32px;line-height:1.3;font-weight:700}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:15.5px}
.feature-grid{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start}
.feature-side{position:sticky;top:140px}
.feature-side .tag{display:inline-block;font-size:13px;font-weight:600;color:var(--accent);background:var(--accent-soft);padding:4px 12px;border-radius:var(--r-pill);margin-bottom:16px}
.feature-side h2{font-size:30px;line-height:1.32}
.feature-side p{margin-top:16px;color:var(--ink-2);font-size:15.5px}
.feature-units{display:grid;grid-template-columns:1fr 1fr;gap:0}
.unit{padding:28px 28px 30px;border-top:1px solid var(--line)}
.unit:nth-child(1),.unit:nth-child(2){border-top:none}
.unit:nth-child(odd){padding-left:0;border-right:1px solid var(--line)}
.unit:nth-child(even){padding-right:0}
.unit .idx{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.08em}
.unit h3{font-size:20px;margin-top:10px;line-height:1.4}
.unit p{margin-top:8px;font-size:14.5px;color:var(--ink-2);line-height:1.8}

/* ---------- 图墙 ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:148px;gap:16px}
.g-item{position:relative;overflow:hidden;border-radius:12px;border:1px solid var(--line);background:var(--surface-2)}
.g-item.tall{grid-row:span 2}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.g-item:hover img{transform:scale(1.03)}
.g-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px 14px 12px;font-size:13px;color:#F6F3EC;background:linear-gradient(180deg,rgba(22,69,62,0),rgba(22,69,62,.82));opacity:0;transform:translateY(8px);transition:.25s ease}
.g-item:hover figcaption{opacity:1;transform:translateY(0)}

/* ---------- CTA 表单 ---------- */
.cta-block{background:var(--brand);color:#F6F3EC;position:relative;overflow:hidden;border-radius:var(--r-lg)}
.cta-block::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(246,243,236,.55) 1px,transparent 1px);background-size:20px 20px;opacity:.07;pointer-events:none}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr 420px;gap:56px;padding:56px;align-items:center}
.cta-inner h2{font-size:32px;line-height:1.3;color:#F6F3EC}
.cta-inner p{margin-top:16px;color:rgba(246,243,236,.82);font-size:15.5px;max-width:32em}
.cta-points{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px}
.cta-points span{font-size:13px;padding:5px 14px;border-radius:var(--r-pill);background:rgba(246,243,236,.12);border:1px solid rgba(246,243,236,.22)}
.form-card{background:var(--surface);border-radius:var(--r-md);padding:26px;box-shadow:var(--sh-3);color:var(--ink)}
.form-card h3{font-size:19px;margin-bottom:6px}
.form-card .hint{font-size:13px;color:var(--ink-3);margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:6px;font-weight:500}
.form-control{width:100%;height:44px;border:1px solid var(--line);border-radius:10px;padding:0 14px;font-size:15px;color:var(--ink);background:var(--surface);transition:border-color .18s ease,box-shadow .18s ease}
textarea.form-control{height:auto;padding:12px 14px;line-height:1.7;resize:vertical}
.form-control::placeholder{color:var(--ink-3)}
.form-control:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);outline:none}
.form-card .btn{width:100%}
.privacy{font-size:12.5px;color:var(--ink-3);margin-top:12px;line-height:1.7}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;margin-top:40px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 8px 20px 0;background:none;border:none;text-align:left;font-size:17px;font-weight:600;color:var(--ink);cursor:pointer;position:relative;transition:color .18s ease}
.faq-q:hover{color:var(--brand)}
.faq-item.open .faq-q{color:var(--brand)}
.faq-item.open .faq-q::before{content:"";position:absolute;left:-14px;top:18px;bottom:18px;width:3px;background:var(--accent);border-radius:2px}
.faq-icon{flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--brand);transition:transform .25s ease,background .2s ease}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--brand-soft);border-color:var(--brand-soft)}
.faq-a{display:none;padding:0 8px 22px 0;font-size:15px;color:var(--ink-2);line-height:1.85;max-width:64em}
.faq-item.open .faq-a{display:block}

/* ---------- 资讯列表 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;height:100%;display:flex;flex-direction:column}
.card:hover{border-color:rgba(22,69,62,.28);box-shadow:var(--sh-2);transform:translateY(-2px)}
.card-thumb{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;margin-bottom:16px;background:var(--surface-2)}
.card-meta{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.badge{display:inline-block;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-soft);border-radius:var(--r-pill);padding:3px 12px}
.card-title{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-title a{color:var(--ink)}
.card-title a:hover{color:var(--brand)}
.card-desc{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3)}
.card-foot .read{color:var(--brand);font-weight:600}
.empty-state{background:var(--surface);border:1px dashed var(--line-strong);border-radius:var(--r-md);padding:44px 32px;text-align:center;margin-top:36px}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:18px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--surface-2);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--ink-2);line-height:1.8;max-width:30em}
.footer-col h4{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:14px;letter-spacing:.02em}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--ink-2)}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{margin-top:48px;border-top:1px solid var(--line);padding:20px 0;font-size:13px;color:var(--ink-3);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

@media (max-width:1024px){
  :root{--sec-y:72px}
  h1{font-size:38px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-figure img{aspect-ratio:16/9}
  .hero-badge{left:16px;bottom:16px}
  .feature-grid{grid-template-columns:1fr;gap:32px}
  .feature-side{position:static}
  .cta-inner{grid-template-columns:1fr;padding:40px;gap:32px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .gallery-grid{grid-auto-rows:130px}
}
@media (max-width:991px){
  .nav-chips,.nav-cta{display:none}
  .burger{display:flex}
  .nav-wrap{justify-content:space-between}
  .site-header{top:0}
  .topbar{position:static}
}
@media (max-width:768px){
  :root{--sec-y:56px;--gutter:20px}
  h1{font-size:30px}
  .hero{padding:48px 0 40px}
  .hero-sub{font-size:15.5px}
  .trust{grid-template-columns:1fr;gap:0;margin-top:40px;padding-top:8px}
  .trust-item{border-left:none;border-top:1px solid var(--line);padding:16px 0}
  .trust-item:first-child{border-top:none}
  .trust-item b{font-size:24px}
  .feature-units{grid-template-columns:1fr}
  .unit{padding:22px 0 !important;border-right:none !important;border-top:1px solid var(--line)}
  .unit:first-child{border-top:none}
  .gallery-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:118px}
  .g-item.tall{grid-row:span 1}
  .news-grid{grid-template-columns:1fr}
  .cta-inner{padding:32px 22px}
  .section-head h2,.cta-inner h2{font-size:24px}
  .feature-side h2{font-size:24px}
  .faq-q{font-size:16px;padding:16px 6px 16px 0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column}
  .topbar .inner{flex-wrap:wrap;gap:8px;padding:8px 0}
  .topbar-text span.long{display:none}
}
@media (max-width:520px){
  h1{font-size:26px;line-height:1.32}
  .hero-actions .btn{width:100%}
  .logo{font-size:15px}
  .logo small{font-size:10px}
}

/* roulang page: article */
:root{
  --paper:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#FBF9F4;
  --ink:#23201C;
  --ink-2:#6B655C;
  --ink-3:#9A9388;
  --brand:#16453E;
  --brand-mid:#2C6A5F;
  --brand-soft:#E4EDE9;
  --accent:#C9663A;
  --accent-soft:#FBEBE2;
  --line:#E3DED3;
  --line-strong:#CFC8B9;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(35,32,28,.06);
  --sh-2:0 10px 24px -14px rgba(35,32,28,.28);
  --sh-3:0 18px 40px -22px rgba(22,69,62,.35);
  --wrap:1200px;
  --gutter:24px;
  --sec-y:96px;
  --sec-y-sm:56px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-mid)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.num{font-variant-numeric:tabular-nums}

/* 顶部信息条 */
.topbar{background:var(--brand);color:#F3F1E9}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px}
.topbar-text{font-size:13.5px;display:flex;align-items:center;gap:10px;line-height:1.5}
.topbar-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:none}
.topbar-time{background:var(--accent-soft);color:var(--accent);font-weight:700;font-size:15px;padding:2px 10px;border-radius:var(--r-pill)}
.topbar-link{
  flex:none;font-size:13px;background:rgba(255,255,255,.12);color:#F3F1E9;
  border:1px solid rgba(255,255,255,.24);border-radius:var(--r-pill);
  padding:5px 14px;transition:background .2s ease,color .2s ease
}
.topbar-link:hover{background:#F3F1E9;color:var(--brand)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .2s ease,min-height .2s ease}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.nav-inner{display:flex;align-items:center;gap:22px;min-height:72px;position:relative}
.logo{display:flex;align-items:center;gap:10px;flex:none;color:var(--ink)}
.logo:hover{color:var(--ink)}
.logo-mark{position:relative;width:28px;height:28px;border-radius:9px;background:var(--brand);flex:none;box-shadow:var(--sh-1)}
.logo-mark::after{content:"";position:absolute;inset:8px;border-radius:3px;background:var(--accent)}
.logo-text{display:flex;flex-direction:column;font-weight:700;font-size:16px;line-height:1.25;letter-spacing:.02em}
.logo-text small{font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--ink-3);line-height:1.4}
.nav-chips{display:flex;align-items:center;gap:8px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  flex:none;display:inline-flex;align-items:center;justify-content:center;
  font-size:13.5px;line-height:1.4;padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:transparent;color:var(--ink-2);
  transition:background .2s ease,color .2s ease,border-color .2s ease;white-space:nowrap
}
.chip:hover{background:var(--brand-soft);color:var(--brand);border-color:rgba(22,69,62,.28)}
.chip[aria-current="page"]{background:var(--brand);color:#F6F3EC;border-color:var(--brand)}
.nav-cta{flex:none}
.nav-toggle{
  display:none;margin-left:auto;width:42px;height:38px;border:1px solid var(--line);
  background:var(--surface);border-radius:10px;align-items:center;justify-content:center;flex-direction:column;gap:4px
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}
.nav-cta-mobile{display:none}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;font-size:15px;font-weight:600;line-height:1.4;
  border-radius:10px;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease
}
.btn-primary{background:var(--accent);color:#FFF8F3;border-color:var(--accent)}
.btn-primary:hover{background:#B85730;border-color:#B85730;color:#FFF8F3;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost:active{transform:none;box-shadow:none}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14.5px;color:var(--brand)}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}

/* 面包屑与文章头 */
.article-head{padding:30px 0 0}
.breadcrumb-cms{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);line-height:1.6}
.breadcrumb-cms a{color:var(--ink-3)}
.breadcrumb-cms a:hover{color:var(--brand)}
.breadcrumb-cms .sep{color:var(--line-strong)}
.breadcrumb-cms .current{color:var(--ink)}
.article-title{
  font-size:46px;font-weight:700;line-height:1.24;letter-spacing:.01em;
  margin-top:20px;max-width:920px;color:var(--ink)
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;font-size:13.5px;color:var(--ink-3)}
.badge-cat{
  display:inline-flex;align-items:center;font-size:13px;font-weight:600;
  padding:4px 12px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand)
}
.meta-sep{width:1px;height:12px;background:var(--line-strong)}
.article-lead{
  margin-top:26px;padding:20px 24px;border-left:3px solid var(--accent);
  background:var(--surface-2);border-radius:0 var(--r-md) var(--r-md) 0;
  font-size:16px;color:var(--ink-2);line-height:1.85;max-width:820px
}

/* 阅读布局 */
.read-wrap{
  display:grid;grid-template-columns:minmax(0,760px) 300px;gap:56px;
  align-items:start;padding:44px 0 var(--sec-y)
}
.article-body{font-size:17px;line-height:1.85;letter-spacing:.01em;color:var(--ink);min-width:0}
.article-body p{margin:1.15em 0;color:var(--ink)}
.article-body h2{
  position:relative;font-size:28px;line-height:1.35;font-weight:700;
  margin:44px 0 16px;padding-left:16px;color:var(--ink)
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;width:4px;height:18px;
  border-radius:2px;background:var(--brand)
}
.article-body h3{font-size:20px;line-height:1.5;font-weight:700;margin:30px 0 12px;color:var(--ink)}
.article-body ul,.article-body ol{margin:1.15em 0;padding-left:22px;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:8px 0;line-height:1.85}
.article-body blockquote{
  margin:24px 0;padding:20px;border-left:3px solid var(--accent);
  background:var(--surface-2);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--ink-2)
}
.article-body blockquote p{margin:0;color:var(--ink-2)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15.5px;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.article-body th{background:var(--brand-soft);color:var(--brand);font-weight:700;text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--ink-2)}
.article-body tr:last-child td{border-bottom:0}
.article-body img{border-radius:12px;margin:22px 0 10px}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-mid)}
.article-body strong{font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* 空态 */
.empty-state{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:40px 28px;text-align:center;box-shadow:var(--sh-1)
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:22px}

/* 侧栏目录 */
.sidebar{position:relative}
.toc-card{
  position:sticky;top:96px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1)
}
.toc-title{font-size:14px;font-weight:700;color:var(--ink);letter-spacing:.04em;display:flex;align-items:center;gap:8px;margin-bottom:14px}
.toc-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--brand)}
.toc-list{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line);padding-left:0}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--ink-2);
  padding:8px 10px 8px 14px;border-left:2px solid transparent;margin-left:-1px;
  transition:color .18s ease,border-color .18s ease,background .18s ease;border-radius:0 var(--r-sm) var(--r-sm) 0
}
.toc-list a:hover{color:var(--brand);border-left-color:var(--brand);background:var(--brand-soft)}
.toc-note{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);line-height:1.7}
.toc-mobile{display:none;margin-bottom:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:4px 18px}
.toc-mobile summary{cursor:pointer;font-size:14.5px;font-weight:700;padding:14px 0;list-style:none;display:flex;align-items:center;justify-content:space-between}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"+";font-size:18px;color:var(--brand);line-height:1}
.toc-mobile[open] summary::after{content:"−"}
.toc-mobile .toc-list{padding-bottom:14px}

/* 标签与返回 */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
.tag-row .label{font-size:13.5px;color:var(--ink-3)}
.tag{
  font-size:13px;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--surface-2);border:1px solid var(--line);color:var(--ink-2)
}
.back-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* 相关推荐 */
.related{padding:0 0 var(--sec-y)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:32px;line-height:1.3;font-weight:700}
.section-head p{font-size:14.5px;color:var(--ink-2);margin-top:8px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
  display:flex;flex-direction:column
}
.post-card:hover{border-color:rgba(22,69,62,.28);box-shadow:var(--sh-2);transform:translateY(-2px)}
.post-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .thumb img{transform:scale(1.03)}
.post-card .body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-card h3{font-size:17px;line-height:1.5;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card h3 a{color:var(--ink)}
.post-card h3 a:hover{color:var(--brand)}
.post-card p{font-size:14px;line-height:1.75;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);margin-top:auto}

/* 窄幅 CTA */
.cta-band{background:var(--brand);border-radius:var(--r-lg);padding:34px 40px;color:#F3F1E9;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:18px 18px;opacity:.5;pointer-events:none
}
.cta-band-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{font-size:24px;line-height:1.4;font-weight:700;color:#F6F3EC}
.cta-band p{font-size:14.5px;color:rgba(246,243,236,.78);margin-top:6px}
.cta-form{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.cta-form input{
  height:44px;min-width:240px;padding:0 14px;border-radius:10px;
  border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.08);color:#F6F3EC;font-size:14.5px
}
.cta-form input::placeholder{color:rgba(246,243,236,.6)}
.cta-form input:focus{outline:none;border-color:#F6F3EC;background:rgba(255,255,255,.14);box-shadow:0 0 0 3px rgba(246,243,236,.16)}

/* 页脚 */
.site-footer{background:var(--surface-2);border-top:1px solid var(--line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--ink-2);max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:14px;color:var(--ink-2);line-height:1.7}
.footer-col a{color:var(--ink-2);border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease}
.footer-col a:hover{color:var(--brand);border-bottom-color:var(--brand)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3)
}

/* 响应式 */
@media (max-width:1100px){
  .read-wrap{grid-template-columns:minmax(0,1fr);gap:32px;padding-top:36px}
  .sidebar{display:none}
  .toc-mobile{display:block}
}
@media (max-width:992px){
  :root{--gutter:22px}
  .article-title{font-size:36px}
  .article-body h2{font-size:25px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-chips{
    display:none;position:absolute;left:calc(-1 * var(--gutter));right:calc(-1 * var(--gutter));
    top:100%;background:var(--surface);border-top:1px solid var(--line);
    box-shadow:var(--sh-2);padding:16px var(--gutter);flex-wrap:wrap;overflow:visible;gap:10px
  }
  .nav-chips.is-open{display:flex}
  .nav-cta-mobile{display:inline-flex;width:100%;margin-top:6px}
}
@media (max-width:768px){
  :root{--gutter:20px}
  .article-head{padding-top:22px}
  .article-title{font-size:30px;line-height:1.28;margin-top:16px}
  .article-lead{padding:16px 18px;font-size:15px}
  .read-wrap{padding-bottom:var(--sec-y-sm)}
  .article-body{font-size:16.5px}
  .article-body h2{font-size:23px;margin-top:36px}
  .article-body h3{font-size:19px}
  .section-head h2{font-size:24px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:26px 22px;border-radius:var(--r-md)}
  .cta-band h2{font-size:21px}
  .cta-form{width:100%}
  .cta-form input{min-width:0;width:100%}
  .cta-form .btn{width:100%}
  .topbar-text span.long{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;gap:8px}
  .logo-text{font-size:15px}
  .logo-text small{font-size:11px;letter-spacing:.1em}
}
@media (max-width:520px){
  .article-body table{font-size:14.5px}
  .article-body th,.article-body td{padding:10px}
  .back-row .btn{width:100%}
  .topbar-link{padding:4px 10px;font-size:12.5px}
  .nav-inner{min-height:64px;gap:12px}
}

/* roulang page: category1 */
:root{
  --paper:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#FBF9F4;
  --ink:#23201C;
  --ink-2:#6B655C;
  --ink-3:#9A9388;
  --brand:#16453E;
  --brand-mid:#2C6A5F;
  --brand-soft:#E4EDE9;
  --accent:#C9663A;
  --accent-soft:#FBEBE2;
  --line:#E3DED3;
  --line-strong:#CFC8B9;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(35,32,28,.06);
  --sh-2:0 10px 24px -14px rgba(35,32,28,.28);
  --sh-3:0 18px 40px -22px rgba(22,69,62,.35);
  --wrap:1200px;
  --gutter:24px;
  --sec-y:96px;
  --sec-y-sm:56px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-mid)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}
h1{font-size:46px;line-height:1.24;font-weight:700;letter-spacing:.01em}
h2{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:.01em}
h3{font-size:20px;line-height:1.4;font-weight:700}
.section{padding:var(--sec-y) 0}
.section-alt{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head .head-text{max-width:680px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand);background:var(--brand-soft);
  border-radius:var(--r-pill);padding:5px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.lead{font-size:16px;line-height:1.85;color:var(--ink-2)}
.link-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.link-more::after{content:"→";transition:transform .2s ease}
.link-more:hover::after{transform:translateX(3px)}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:72px;
  transition:height .2s ease;
}
.site-header.is-stuck .header-inner{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.logo:hover{color:var(--ink)}
.logo-mark{width:14px;height:14px;border-radius:4px;background:var(--brand);box-shadow:inset 0 0 0 3px rgba(255,255,255,.6);flex:0 0 14px}
.logo-text{display:flex;flex-direction:column;font-size:16px;font-weight:700;line-height:1.25;letter-spacing:.01em}
.logo-text small{font-size:12px;font-weight:500;letter-spacing:.12em;color:var(--ink-3);line-height:1.4}
.header-nav{display:flex;align-items:center;gap:16px;flex:1 1 auto;min-width:0}
.nav-chips{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px 0}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;
  padding:8px 16px;font-size:14px;font-weight:500;
  color:var(--ink-2);background:transparent;
  border:1px solid var(--line);border-radius:var(--r-pill);
  white-space:nowrap;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{background:var(--brand-soft);color:var(--brand);border-color:rgba(22,69,62,.28)}
.chip[aria-current="page"]{background:var(--brand);border-color:var(--brand);color:#F6F3EC;font-weight:600}
.chip[aria-current="page"]:hover{background:var(--brand-mid);color:#F6F3EC}
.nav-cta{margin-left:auto;flex:0 0 auto}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--surface);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  cursor:pointer;transition:background .2s ease;
}
.nav-toggle:hover{background:var(--brand-soft)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand)}

/* 按钮 */
.btn-main,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;font-size:15px;font-weight:600;line-height:1.4;
  border-radius:10px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-main{background:var(--accent);color:#FFFDF9;box-shadow:var(--sh-1)}
.btn-main:hover{background:#B25630;color:#FFFDF9;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-main:active{transform:none;box-shadow:var(--sh-1)}
.btn-line{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-line:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-line:active{transform:none;box-shadow:none}
.btn-sm{padding:10px 20px;font-size:14px}

/* 首屏 */
.hero-entry{
  background-color:var(--surface-2);
  background-image:radial-gradient(rgba(22,69,62,.07) 1px,transparent 1px);
  background-size:18px 18px;
  border-bottom:1px solid var(--line);
  padding:72px 0 56px;
}
.hero-entry h1{max-width:900px}
.hero-entry .lead{margin-top:20px;max-width:720px;font-size:17px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;margin-top:40px;border-top:1px solid var(--line-strong);padding-top:26px}
.hero-stats .stat{flex:1 1 0;min-width:170px;padding:0 28px;border-left:1px solid var(--line-strong)}
.hero-stats .stat:first-child{border-left:0;padding-left:0}
.stat-num{font-size:28px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-label{font-size:14px;color:var(--ink-2);margin-top:4px}

/* 内容卡片 */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.entry-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-2px);border-color:rgba(22,69,62,.28);box-shadow:var(--sh-2)}
.entry-thumb{aspect-ratio:16/10;width:100%;object-fit:cover;border-radius:0}
.entry-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.tag{
  display:inline-flex;align-items:center;align-self:flex-start;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-pill);
  padding:3px 12px;
}
.entry-card h3{font-size:17px;line-height:1.5}
.entry-card .desc{font-size:14px;line-height:1.75;color:var(--ink-2)}
.entry-foot{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;margin-top:auto;padding-top:12px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.entry-foot .read{color:var(--brand);font-weight:600}
.entry-foot .read::after{content:" →"}

/* 检查清单 */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line)}
.check-item{display:flex;gap:18px;padding:28px 0;border-bottom:1px solid var(--line)}
.check-item:nth-child(odd){padding-right:40px;border-right:1px solid var(--line)}
.check-item:nth-child(even){padding-left:40px}
.check-num{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.06em;flex:0 0 auto;padding-top:5px;font-variant-numeric:tabular-nums}
.check-item h3{font-size:18px;margin-bottom:6px}
.check-item p{font-size:14px;color:var(--ink-2);line-height:1.8}

/* 更新清单 */
.update-list{border-top:1px solid var(--line)}
.update-row{
  display:flex;align-items:center;gap:20px;
  padding:20px 0;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.update-row:hover{background:var(--surface-2)}
.update-thumb{width:96px;height:72px;flex:0 0 96px;border-radius:10px;object-fit:cover}
.update-body{flex:1 1 auto;min-width:0}
.update-body h3{font-size:16px;line-height:1.5}
.update-body p{font-size:14px;color:var(--ink-2);line-height:1.7;margin-top:2px}
.update-row time{flex:0 0 auto;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
@media(max-width:767px){
  .update-row{flex-wrap:wrap;gap:14px}
  .update-row time{width:100%;padding-left:116px}
}

/* 手风琴 */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0 20px 16px;
  background:transparent;border:0;border-left:3px solid transparent;
  font-size:17px;font-weight:700;color:var(--ink);text-align:left;
  cursor:pointer;transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.faq-btn:hover{color:var(--brand);background:var(--surface-2)}
.faq-btn[aria-expanded="true"]{border-left-color:var(--accent);color:var(--brand)}
.faq-icon{position:relative;flex:0 0 22px;width:22px;height:22px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.faq-icon::before{left:3px;right:3px;top:10px;height:2px}
.faq-icon::after{top:3px;bottom:3px;left:10px;width:2px}
.faq-btn[aria-expanded="true"] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{padding:0 0 24px 19px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:820px}

/* 底部 CTA */
.cta-strip{
  background-color:var(--brand);
  background-image:radial-gradient(rgba(246,243,236,.09) 1px,transparent 1px);
  background-size:18px 18px;
  padding:56px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:26px;color:#F6F3EC;line-height:1.35}
.cta-inner p{color:rgba(246,243,236,.78);font-size:15px;margin-top:8px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-strip .btn-line{border-color:rgba(246,243,236,.55);color:#F6F3EC}
.cta-strip .btn-line:hover{background:rgba(246,243,236,.12);color:#F6F3EC}

/* 页脚 */
.site-footer{background:var(--surface-2);border-top:1px solid var(--line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--ink-2);line-height:1.85;max-width:360px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:14px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--ink-2)}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}

@media (max-width:1024px){
  h1{font-size:38px}
  h2{font-size:28px}
  .cards-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .nav-toggle{display:flex}
  .header-nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:14px;
    padding:18px var(--gutter) 22px;
    background:var(--surface);border-top:1px solid var(--line);
    box-shadow:var(--sh-2);display:none;
  }
  .site-header.nav-open .header-nav{display:flex}
  .nav-chips{flex-wrap:wrap;overflow:visible}
  .nav-cta{margin-left:0;width:100%}
  .hero-entry{padding:56px 0 44px}
  .check-grid{grid-template-columns:1fr}
  .check-item:nth-child(odd){padding-right:0;border-right:0}
  .check-item:nth-child(even){padding-left:0}
}
@media (max-width:767px){
  .section{padding:var(--sec-y-sm) 0}
  h1{font-size:30px}
  h2{font-size:24px}
  .hero-entry .lead{font-size:16px}
  .cards-3{grid-template-columns:1fr}
  .hero-stats .stat{border-left:0;padding:14px 0;border-top:1px solid var(--line);flex:1 1 100%}
  .hero-stats .stat:first-child{border-top:0;padding-top:0}
  .cta-inner h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn-main,.cta-actions .btn-line{flex:1 1 100%}
  .update-row time{padding-left:0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  :root{--gutter:20px}
  .logo-text{font-size:15px}
  .logo-text small{display:none}
  .faq-btn{font-size:16px}
}

/* roulang page: category2 */
:root{
  --paper:#F6F3EC;--surface:#FFFFFF;--surface-2:#FBF9F4;
  --ink:#23201C;--ink-2:#6B655C;--ink-3:#9A9388;
  --brand:#16453E;--brand-mid:#2C6A5F;--brand-soft:#E4EDE9;
  --accent:#C9663A;--accent-soft:#FBEBE2;
  --line:#E3DED3;--line-strong:#CFC8B9;
  --r-sm:8px;--r-md:14px;--r-lg:20px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(35,32,28,.06);
  --sh-2:0 10px 24px -14px rgba(35,32,28,.28);
  --sh-3:0 18px 40px -22px rgba(22,69,62,.35);
  --wrap:1200px;--gutter:24px;--sec-y:96px;--sec-y-sm:56px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:.01em;
  color:var(--ink);background:var(--paper);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:var(--brand-mid)}
button{font-family:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;gap:26px;min-height:72px;transition:min-height .25s ease}
.site-header.is-stuck .header-inner{min-height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.logo:hover{color:var(--brand)}
.logo-mark{
  width:16px;height:16px;border-radius:5px;flex:0 0 auto;
  background:var(--brand);
  box-shadow:inset -5px -5px 0 0 var(--accent);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;font-weight:700;font-size:16px;letter-spacing:.01em}
.logo-text small{font-size:13px;font-weight:500;letter-spacing:.06em;color:var(--ink-3);text-transform:uppercase;line-height:1.4}
.nav-chips{display:flex;align-items:center;gap:8px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none;padding:6px 0}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;white-space:nowrap;
  padding:8px 16px;font-size:14px;font-weight:500;
  color:var(--ink-2);background:transparent;
  border:1px solid var(--line);border-radius:var(--r-pill);
  transition:all .2s ease;
}
.chip:hover{background:var(--brand-soft);color:var(--brand);border-color:var(--brand-soft)}
.chip[aria-current="page"]{background:var(--brand);color:#F6F3EC;border-color:var(--brand)}
.chip[aria-current="page"]:hover{background:var(--brand-mid);border-color:var(--brand-mid);color:#fff}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;font-size:15px;font-weight:600;line-height:1.3;
  border-radius:10px;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#FFF7F2;box-shadow:var(--sh-1)}
.btn-accent:hover{background:#B45A31;color:#FFF7F2;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);padding:0;border:0;background:none}
.btn-link::after{content:"→";transition:transform .2s ease}
.btn-link:hover{color:var(--brand-mid)}
.btn-link:hover::after{transform:translateX(4px)}
.header-cta{padding:10px 20px;font-size:14px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);color:var(--brand);font-size:15px;
}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--surface);padding:18px 0 22px}
.mobile-panel .nav-chips{display:flex;flex-wrap:wrap;overflow:visible;padding:0 0 14px}
.mobile-panel .btn{width:100%}
.mobile-panel.is-open{display:block}

/* ---------- 页面头部 ---------- */
.page-head{
  position:relative;overflow:hidden;
  background:var(--surface-2);
  border-bottom:1px solid var(--line);
  padding:34px 0 58px;
}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(22,69,62,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.06;
}
.page-head .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:22px}
.breadcrumb a{color:var(--ink-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--line-strong)}
.breadcrumb .current{color:var(--ink)}
.page-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:600;letter-spacing:.04em;margin-bottom:18px;
}
.page-head h1{
  font-size:46px;line-height:1.24;font-weight:700;letter-spacing:.01em;
  max-width:880px;color:var(--ink);
}
.page-lead{max-width:730px;margin-top:18px;font-size:16px;color:var(--ink-2);line-height:1.85}
.page-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:22px;font-size:13px;color:var(--ink-3)}
.page-meta span{display:inline-flex;align-items:center;gap:7px}
.page-meta i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}

/* ---------- 交替图文 ---------- */
.feature-wrap{padding:26px 0 8px}
.feature-block{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:56px 0;border-top:1px solid var(--line);
}
.feature-block:first-child{border-top:0;padding-top:38px}
.feature-block.is-reverse .feature-media{order:2}
.feature-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:16px;border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:transform .35s ease,box-shadow .35s ease;
}
.feature-media:hover img{transform:translateY(-3px);box-shadow:var(--sh-2)}
.feature-index{
  display:inline-flex;align-items:center;gap:10px;
  font-size:14px;font-weight:700;color:var(--accent);letter-spacing:.08em;
}
.feature-index::after{content:"";width:34px;height:1px;background:var(--line-strong)}
.feature-text h2{font-size:32px;line-height:1.3;font-weight:700;margin:14px 0 16px;color:var(--ink)}
.feature-text p{color:var(--ink-2);line-height:1.85}
.feature-list{margin:20px 0 22px;display:grid;gap:10px}
.feature-list li{position:relative;padding-left:20px;font-size:15px;color:var(--ink-2);line-height:1.8}
.feature-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:8px;height:8px;border-radius:2px;background:var(--brand-soft);
  border:1px solid rgba(22,69,62,.35);
}

/* ---------- FAQ ---------- */
.faq-section{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:80px 0}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{font-size:32px;line-height:1.3;font-weight:700;color:var(--ink)}
.section-head p{margin-top:14px;color:var(--ink-2)}
.faq-list{max-width:880px}
.accordion{border:0;background:transparent}
.accordion .accordion-item{
  background:transparent;border:0;border-top:1px solid var(--line-strong);
}
.accordion .accordion-item:first-child{border-top:0}
.accordion .accordion-button{
  background:transparent;color:var(--ink);
  font-size:17px;font-weight:600;line-height:1.6;
  padding:22px 44px 22px 18px;border-radius:0;box-shadow:none;
  border-left:3px solid transparent;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.accordion .accordion-button:not(.collapsed){
  background:var(--surface);color:var(--brand);
  border-left-color:var(--accent);box-shadow:none;
}
.accordion .accordion-button:hover{background:var(--surface);color:var(--brand)}
.accordion .accordion-button:focus{box-shadow:none;outline:none}
.accordion .accordion-button:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.accordion .accordion-button::after{
  width:22px;height:22px;background-image:none;
  content:"+";font-size:20px;font-weight:600;color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  transition:transform .25s ease,color .2s ease;margin-left:auto;
}
.accordion .accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg);color:var(--accent)}
.accordion .accordion-body{
  padding:0 44px 24px 21px;font-size:15px;line-height:1.85;color:var(--ink-2);
  background:var(--surface);
}

/* ---------- 窄 CTA ---------- */
.cta-strip{padding:72px 0 88px}
.cta-card{
  position:relative;overflow:hidden;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  padding:36px 40px;border-radius:var(--r-lg);
  background:var(--brand);color:#F6F3EC;
  box-shadow:var(--sh-3);
}
.cta-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:20px 20px;opacity:.07;
}
.cta-card > *{position:relative;z-index:1}
.cta-card h2{font-size:26px;line-height:1.35;font-weight:700;color:#FFFFFF}
.cta-card p{margin-top:8px;font-size:15px;color:rgba(246,243,236,.82)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-card .btn-accent{background:var(--accent);color:#FFF7F2}
.cta-card .btn-ghost{color:#F6F3EC;border-color:rgba(246,243,236,.55)}
.cta-card .btn-ghost:hover{background:rgba(246,243,236,.14);color:#fff;border-color:#F6F3EC}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--surface-2);border-top:1px solid var(--line);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--ink-2);max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--ink-2);line-height:1.75}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .feature-block{gap:40px;padding:48px 0}
  .page-head h1{font-size:40px}
}
@media (max-width:992px){
  .nav-chips{display:none}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-panel .nav-chips{display:flex}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
  .footer-brand p{max-width:none}
}
@media (max-width:860px){
  .feature-block{grid-template-columns:1fr;gap:26px;padding:40px 0}
  .feature-block.is-reverse .feature-media{order:0}
  .page-head{padding:26px 0 44px}
  .page-head h1{font-size:32px}
  .feature-text h2{font-size:26px}
  .section-head h2{font-size:26px}
  .faq-section{padding:56px 0}
  .cta-card{padding:28px 24px}
  .cta-card h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 200px}
}
@media (max-width:520px){
  :root{--gutter:20px}
  body{font-size:16px}
  .page-head h1{font-size:27px;line-height:1.32}
  .page-lead{font-size:15px}
  .feature-text h2{font-size:23px}
  .section-head h2{font-size:23px}
  .accordion .accordion-button{font-size:16px;padding:18px 40px 18px 14px}
  .accordion .accordion-body{padding:0 18px 20px 17px;font-size:15px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .logo-text{font-size:15px}
  .logo-text small{font-size:13px;letter-spacing:.03em}
}

/* roulang page: category3 */
:root{
  --paper:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#FBF9F4;
  --ink:#23201C;
  --ink-2:#6B655C;
  --ink-3:#9A9388;
  --brand:#16453E;
  --brand-mid:#2C6A5F;
  --brand-soft:#E4EDE9;
  --accent:#C9663A;
  --accent-soft:#FBEBE2;
  --line:#E3DED3;
  --line-strong:#CFC8B9;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(35,32,28,.06);
  --sh-2:0 10px 24px -14px rgba(35,32,28,.28);
  --sh-3:0 18px 40px -22px rgba(22,69,62,.35);
  --wrap:1200px;
  --gutter:24px;
  --sec-y:96px;
  --sec-y-sm:56px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-mid);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 var(--gutter);
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,height .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-2);}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
  transition:height .25s ease;
}
.site-header.is-stuck .header-inner{height:64px;}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:14px;height:14px;
  border-radius:4px;
  background:var(--brand);
  box-shadow:inset 0 0 0 3px var(--accent);
  flex-shrink:0;
}
.logo-text{
  display:flex;
  flex-direction:column;
  line-height:1.2;
  color:var(--ink);
  font-size:17px;
  font-weight:700;
  letter-spacing:.01em;
}
.logo-text small{
  font-size:11px;
  font-weight:500;
  letter-spacing:.14em;
  color:var(--ink-3);
  margin-top:2px;
}
.nav-chips{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1 1 auto;
  overflow-x:auto;
  scrollbar-width:none;
  padding:4px 0;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  white-space:nowrap;
  padding:8px 16px;
  font-size:13.5px;
  font-weight:600;
  color:var(--ink-2);
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{background:var(--brand-soft);color:var(--brand);border-color:rgba(22,69,62,.28);}
.chip.is-active,
.chip[aria-current="page"]{
  background:var(--brand);
  color:#F6F3EC;
  border-color:var(--brand);
}
.chip.is-active:hover,
.chip[aria-current="page"]:hover{background:var(--brand-mid);color:#F6F3EC;}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
  flex-shrink:0;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:var(--surface);
  cursor:pointer;
  padding:0;
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--brand);
  position:relative;
  transition:background .2s ease;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;height:2px;
  background:var(--brand);
  transition:transform .2s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  font-size:15px;
  font-weight:600;
  border-radius:10px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:active{transform:translateY(0);box-shadow:none;}
.btn-accent{
  background:var(--accent);
  color:#FFF9F4;
  border-color:var(--accent);
}
.btn-accent:hover{
  background:#B8582F;
  color:#FFF9F4;
  transform:translateY(-1px);
  box-shadow:var(--sh-2);
}
.btn-line{
  background:transparent;
  color:var(--brand);
  border-color:var(--brand);
}
.btn-line:hover{
  background:var(--brand-soft);
  color:var(--brand);
  transform:translateY(-1px);
  box-shadow:var(--sh-2);
}
.btn-sm{padding:9px 18px;font-size:14px;}
.text-link{
  color:var(--brand);
  font-weight:600;
  border-bottom:1px solid transparent;
  padding-bottom:1px;
}
.text-link:hover{border-bottom-color:var(--brand);}

/* ---------- 分类页 Hero ---------- */
.cat-hero{
  background-color:var(--surface-2);
  background-image:radial-gradient(rgba(22,69,62,.10) 1px,transparent 1px);
  background-size:18px 18px;
  border-bottom:1px solid var(--line);
  padding:56px 0 64px;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:22px;
}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand);}
.crumb .current{color:var(--ink);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--accent);
  background:var(--accent-soft);
  border-radius:var(--r-pill);
  padding:5px 14px;
  margin-bottom:18px;
}
.cat-hero h1{
  font-size:46px;
  font-weight:700;
  line-height:1.24;
  letter-spacing:.01em;
  max-width:900px;
}
.cat-hero .lead{
  margin-top:20px;
  max-width:760px;
  font-size:17px;
  color:var(--ink-2);
  line-height:1.85;
}
.chip-switch{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:28px;
}
.hero-note{
  display:flex;
  flex-wrap:wrap;
  gap:10px 28px;
  margin-top:28px;
  padding-top:20px;
  border-top:1px solid var(--line-strong);
  font-size:14px;
  color:var(--ink-2);
}
.hero-note strong{
  color:var(--ink);
  font-size:20px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-right:6px;
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-y) 0;}
.section-alt{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{
  font-size:32px;
  font-weight:700;
  line-height:1.3;
  letter-spacing:.01em;
}
.section-head p{
  margin-top:14px;
  color:var(--ink-2);
  font-size:16px;
  line-height:1.85;
}
.section-head .tag-line{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:var(--r-pill);
  padding:4px 12px;
  margin-bottom:14px;
}

/* ---------- 步骤流 ---------- */
.steps-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:56px;
  align-items:start;
}
.steps-figure{
  margin:0 0 44px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:14px;
  box-shadow:var(--sh-1);
}
.steps-figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--r-sm);
}
.steps-figure figcaption{
  margin-top:12px;
  text-align:center;
  font-size:13px;
  color:var(--ink-3);
}
.step-list{position:relative;}
.step{
  position:relative;
  padding-left:72px;
  padding-bottom:40px;
}
.step:last-child{padding-bottom:0;}
.step:last-child::before{display:none;}
.step::before{
  content:"";
  position:absolute;
  left:23px;
  top:52px;
  bottom:6px;
  width:2px;
  background:var(--line);
}
.step-num{
  position:absolute;
  left:0;
  top:0;
  width:48px;
  height:48px;
  border-radius:50%;
  border:2px solid var(--accent);
  background:var(--surface);
  color:var(--accent);
  font-size:16px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  display:flex;
  align-items:center;
  justify-content:center;
}
.step h3{
  font-size:21px;
  font-weight:700;
  line-height:1.4;
  padding-top:6px;
}
.step > p{
  margin-top:10px;
  color:var(--ink-2);
  font-size:15.5px;
  line-height:1.85;
}
.points{
  margin-top:14px;
  display:grid;
  gap:8px;
}
.points li{
  position:relative;
  padding-left:18px;
  font-size:14.5px;
  color:var(--ink-2);
  line-height:1.8;
}
.points li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--brand-mid);
}
.steps-side{position:sticky;top:96px;}
.side-card{
  background:var(--brand-soft);
  border:1px solid rgba(22,69,62,.14);
  border-radius:var(--r-lg);
  padding:28px;
}
.side-card h3{
  font-size:19px;
  font-weight:700;
  color:var(--brand);
  line-height:1.4;
}
.side-card p{
  margin-top:12px;
  font-size:14.5px;
  color:#3B5C55;
  line-height:1.85;
}
.side-list{
  margin-top:18px;
  display:grid;
  gap:10px;
  border-top:1px solid rgba(22,69,62,.16);
  padding-top:18px;
}
.side-list li{
  font-size:14px;
  color:#3B5C55;
  line-height:1.75;
  display:flex;
  gap:8px;
}
.side-list li b{
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  flex-shrink:0;
}
.side-card .btn{
  margin-top:22px;
  width:100%;
}

/* ---------- 对照表 ---------- */
.table-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.rule-table{
  width:100%;
  border-collapse:collapse;
}
.rule-table th{
  background:var(--brand-soft);
  color:var(--brand);
  font-size:14px;
  font-weight:700;
  text-align:left;
  padding:14px 18px;
  line-height:1.6;
  white-space:nowrap;
}
.rule-table td{
  padding:15px 18px;
  border-top:1px solid var(--line);
  font-size:15px;
  color:var(--ink-2);
  line-height:1.8;
  vertical-align:top;
}
.rule-table td:first-child{
  color:var(--ink);
  font-weight:600;
  width:22%;
  white-space:nowrap;
}
.table-note{
  margin-top:16px;
  font-size:13.5px;
  color:var(--ink-3);
}

/* ---------- 自查清单 ---------- */
.checklist{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.check-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.check-card:hover{
  border-color:rgba(22,69,62,.28);
  box-shadow:var(--sh-2);
  transform:translateY(-2px);
}
.check-head{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:10px;
}
.check-dot{
  width:22px;height:22px;
  border-radius:50%;
  background:var(--brand-soft);
  border:1px solid rgba(22,69,62,.2);
  color:var(--brand);
  font-size:12px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.check-card h3{
  font-size:16.5px;
  font-weight:700;
  line-height:1.5;
}
.check-card p{
  font-size:14px;
  color:var(--ink-2);
  line-height:1.8;
}

/* ---------- FAQ ---------- */
.faq-acc{
  max-width:900px;
  border-top:1px solid var(--line-strong);
}
.faq-acc .accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
  border-radius:0;
}
.faq-acc .accordion-button{
  background:transparent;
  box-shadow:none;
  color:var(--ink);
  font-size:17px;
  font-weight:700;
  line-height:1.55;
  padding:22px 44px 22px 18px;
  border-radius:0;
  transition:color .2s ease;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--brand);
  background:transparent;
  box-shadow:none;
}
.faq-acc .accordion-button::after{
  background-image:none;
  content:"+";
  font-size:22px;
  font-weight:400;
  color:var(--accent);
  width:auto;
  height:auto;
  transform:none;
  transition:transform .2s ease;
  line-height:1;
  margin-left:auto;
  position:absolute;
  right:18px;
  top:50%;
  translate:0 -50%;
}
.faq-acc .accordion-button:not(.collapsed)::after{
  content:"−";
  transform:rotate(180deg);
}
.faq-acc .accordion-button:focus{
  box-shadow:none;
  border-color:transparent;
}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed)){
  box-shadow:inset 3px 0 0 var(--accent);
}
.faq-acc .accordion-body{
  padding:0 44px 24px 18px;
  font-size:15.5px;
  color:var(--ink-2);
  line-height:1.85;
}

/* ---------- 底部 CTA ---------- */
.cta-strip{
  background-color:var(--brand);
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:20px 20px;
  border-radius:var(--r-lg);
  padding:40px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  box-shadow:var(--sh-3);
}
.cta-strip h2{
  font-size:26px;
  font-weight:700;
  line-height:1.35;
  color:#F6F3EC;
}
.cta-strip p{
  margin-top:10px;
  font-size:15px;
  color:rgba(246,243,236,.78);
  line-height:1.8;
  max-width:560px;
}
.cta-strip .btn-accent{
  flex-shrink:0;
}
.back-links{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  margin-top:28px;
  font-size:14px;
  color:var(--ink-3);
}
.back-links a{color:var(--brand);font-weight:600;}
.back-links .dot{color:var(--line-strong);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--surface-2);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  margin-top:32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{
  font-size:14px;
  color:var(--ink-2);
  line-height:1.85;
  max-width:360px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.04em;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col li{
  font-size:14px;
  color:var(--ink-2);
  line-height:1.75;
}
.footer-col a{
  color:var(--ink-2);
  border-bottom:1px solid transparent;
}
.footer-col a:hover{
  color:var(--brand);
  border-bottom-color:var(--brand);
}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px 24px;
  font-size:13px;
  color:var(--ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec-y:72px;}
  .steps-layout{grid-template-columns:minmax(0,1fr) 300px;gap:36px;}
  .cat-hero h1{font-size:38px;}
  .checklist{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}

@media (max-width:991px){
  .nav-toggle{display:flex;}
  .header-inner{height:64px;gap:14px;}
  .nav-chips{
    display:none;
    position:absolute;
    left:0;
    right:0;
    top:64px;
    background:var(--surface);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    padding:16px var(--gutter) 20px;
    flex-wrap:wrap;
    gap:10px;
    box-shadow:var(--sh-2);
    overflow:visible;
  }
  .site-header.nav-open .nav-chips{display:flex;}
  .site-header{position:sticky;}
  .header-actions .btn-sm{display:none;}
  .steps-layout{grid-template-columns:minmax(0,1fr);}
  .steps-side{position:static;top:auto;}
  .cat-hero{padding:40px 0 48px;}
  .cat-hero h1{font-size:32px;}
  .cat-hero .lead{font-size:16px;}
  .section-head h2{font-size:26px;}
  .cta-strip{padding:32px 26px;}
  .cta-strip h2{font-size:22px;}
}

@media (max-width:767px){
  :root{--sec-y:var(--sec-y-sm);--gutter:20px;}
  .cat-hero h1{font-size:30px;line-height:1.3;}
  .section-head{margin-bottom:32px;}
  .section-head h2{font-size:24px;}
  .checklist{grid-template-columns:minmax(0,1fr);gap:16px;}
  .step{padding-left:0;padding-bottom:32px;padding-top:6px;}
  .step::before{display:none;}
  .step-num{position:static;margin-bottom:14px;}
  .step h3{padding-top:0;font-size:19px;}
  .faq-acc .accordion-button{font-size:16px;padding:18px 40px 18px 14px;}
  .faq-acc .accordion-body{padding:0 20px 20px 14px;font-size:15px;}
  .table-wrap{overflow-x:auto;}
  .rule-table{min-width:560px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

@media (max-width:520px){
  .logo-text{font-size:15px;}
  .logo-text small{font-size:10px;letter-spacing:.1em;}
  .cat-hero h1{font-size:27px;}
  .hero-note{gap:8px 18px;font-size:13px;}
  .hero-note strong{font-size:18px;}
  .cta-strip{padding:26px 20px;border-radius:var(--r-md);}
  .cta-strip .btn{width:100%;}
  .side-card{padding:22px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --paper:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#FBF9F4;
  --ink:#23201C;
  --ink-2:#6B655C;
  --ink-3:#9A9388;
  --brand:#16453E;
  --brand-mid:#2C6A5F;
  --brand-soft:#E4EDE9;
  --accent:#C9663A;
  --accent-soft:#FBEBE2;
  --line:#E3DED3;
  --line-strong:#CFC8B9;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(35,32,28,.06);
  --sh-2:0 10px 24px -14px rgba(35,32,28,.28);
  --sh-3:0 18px 40px -22px rgba(22,69,62,.35);
  --wrap:1200px;
  --gutter:24px;
  --sec-y:96px;
  --sec-y-sm:56px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-mid);}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.container{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 var(--gutter);
}

/* ---------- 顶部提示条 ---------- */
.topbar{
  background:var(--brand);
  color:#F6F3EC;
  font-size:13.5px;
}
.topbar .container{
  min-height:44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar-text{display:flex;align-items:center;gap:10px;line-height:1.4;}
.topbar-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto;}
.topbar-pill{
  border:1px solid rgba(246,243,236,.35);
  background:rgba(246,243,236,.12);
  color:#F6F3EC;
  border-radius:var(--r-pill);
  padding:4px 14px;
  font-size:13px;
  white-space:nowrap;
}
.topbar-pill:hover{background:rgba(246,243,236,.22);color:#fff;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-2);}
.nav-wrap{
  position:relative;
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:14px;height:14px;
  border-radius:4px;
  background:var(--brand);
  box-shadow:6px 6px 0 -2px var(--accent);
  flex:0 0 auto;
}
.logo-text{
  display:flex;
  flex-direction:column;
  font-size:17px;
  font-weight:700;
  line-height:1.2;
  letter-spacing:.01em;
}
.logo-text small{
  font-size:10.5px;
  font-weight:500;
  letter-spacing:.14em;
  color:var(--ink-3);
  margin-top:2px;
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:24px;
  flex:1 1 auto;
  min-width:0;
}
.nav-chips{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  padding:4px 0;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;
  align-items:center;
  white-space:nowrap;
  font-size:13.5px;
  font-weight:500;
  color:var(--ink-2);
  padding:8px 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{background:var(--brand-soft);color:var(--brand);border-color:rgba(22,69,62,.28);}
.chip[aria-current="page"]{
  background:var(--brand);
  border-color:var(--brand);
  color:#F6F3EC;
}
.chip[aria-current="page"]:hover{background:var(--brand-mid);color:#F6F3EC;}
.nav-cta{margin-left:auto;flex:0 0 auto;}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--surface);
  cursor:pointer;
}
.nav-toggle span{
  display:block;position:relative;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:10px;
  font-size:15px;
  font-weight:600;
  line-height:1.35;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{
  background:var(--accent);
  color:#FFF7F2;
  border-color:var(--accent);
}
.btn-primary:hover{
  background:#B85831;
  border-color:#B85831;
  color:#FFF7F2;
  transform:translateY(-1px);
  box-shadow:var(--sh-2);
}
.btn-primary:active{transform:none;box-shadow:none;}
.btn-ghost{
  background:transparent;
  color:var(--brand);
  border-color:var(--brand);
}
.btn-ghost:hover{
  background:var(--brand-soft);
  color:var(--brand);
  transform:translateY(-1px);
  box-shadow:var(--sh-2);
}
.btn-ghost:active{transform:none;box-shadow:none;}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- Hero 搜索区 ---------- */
.faq-hero{
  padding:72px 0 64px;
  background:var(--surface-2);
  background-image:radial-gradient(rgba(35,32,28,.05) 1px,transparent 1px);
  background-size:22px 22px;
  border-bottom:1px solid var(--line);
}
.hero-inner{max-width:880px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:var(--r-pill);
  padding:6px 16px;
  margin-bottom:20px;
}
.hero-title{
  font-size:46px;
  font-weight:700;
  line-height:1.24;
  letter-spacing:.01em;
  margin-bottom:16px;
  color:var(--ink);
}
.hero-sub{
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:700px;
  margin-bottom:28px;
}
.search-form{
  display:flex;
  align-items:center;
  gap:8px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:6px;
  max-width:640px;
  box-shadow:var(--sh-1);
}
.search-form:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);}
.search-form label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
.search-form input{
  flex:1 1 auto;
  min-width:0;
  height:44px;
  border:0;
  background:transparent;
  padding:0 16px;
  font-size:15px;
  color:var(--ink);
  outline:none;
}
.search-form input::placeholder{color:var(--ink-3);}
.search-form .btn{flex:0 0 auto;}
.search-hint{
  margin-top:14px;
  font-size:13.5px;
  color:var(--ink-3);
}
.chip-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.chip-row .chip{background:var(--surface);}
.chip-row .chip[aria-current="page"]{background:var(--brand);border-color:var(--brand);}

/* ---------- 通用区块 ---------- */
.section{padding:var(--sec-y) 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  margin-bottom:12px;
}
.section-head p{color:var(--ink-2);font-size:16px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- 自查三步 ---------- */
.steps-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.step-cell{
  padding:28px 28px 28px 0;
  border-right:1px solid var(--line);
}
.step-cell:last-child{border-right:0;padding-right:0;}
.step-cell:nth-child(2){padding-left:28px;}
.step-cell:nth-child(3){padding-left:28px;}
.step-num{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:.08em;
  margin-bottom:10px;
}
.step-cell h3{font-size:19px;font-weight:700;line-height:1.45;margin-bottom:8px;}
.step-cell p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}

/* ---------- FAQ 手风琴 ---------- */
.faq-shell{max-width:960px;margin:0 auto;}
.accordion.faq-acc{
  --bs-accordion-border-color:transparent;
  --bs-accordion-bg:transparent;
  border:0;
  background:transparent;
}
.faq-acc .accordion-item{
  border:0;
  border-bottom:1px solid var(--line);
  background:transparent;
  border-radius:0;
}
.faq-acc .accordion-item:first-child{border-top:1px solid var(--line);}
.faq-acc .accordion-button{
  display:flex;
  align-items:center;
  gap:16px;
  width:100%;
  padding:22px 52px 22px 20px;
  font-size:18px;
  font-weight:600;
  line-height:1.55;
  color:var(--ink);
  background:transparent;
  border:0;
  border-radius:0;
  box-shadow:none;
  text-align:left;
  transition:background .22s ease,color .22s ease,box-shadow .22s ease;
}
.faq-acc .accordion-button:hover{background:var(--surface-2);color:var(--brand);}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--brand);
  background:var(--surface-2);
  box-shadow:inset 3px 0 0 var(--accent);
}
.faq-acc .accordion-button:focus{
  box-shadow:inset 3px 0 0 var(--accent);
  border-color:transparent;
  outline:2px solid var(--brand);
  outline-offset:-2px;
}
.faq-acc .accordion-button::after{
  content:"";
  width:10px;height:10px;
  flex:0 0 auto;
  margin-left:auto;
  background-image:none;
  border-right:2px solid var(--brand-mid);
  border-bottom:2px solid var(--brand-mid);
  transform:rotate(45deg) translateY(-2px);
  transition:transform .28s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{
  transform:rotate(-135deg) translateY(-2px);
  border-color:var(--accent);
}
.faq-acc .accordion-body{
  padding:0 52px 26px 20px;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
}
.faq-acc .accordion-body p{margin-bottom:10px;}
.faq-acc .accordion-body p:last-child{margin-bottom:0;}
.faq-meta{
  display:inline-block;
  margin-top:4px;
  font-size:13px;
  color:var(--ink-3);
}
.faq-index{
  font-size:13px;
  font-weight:700;
  color:var(--accent);
  flex:0 0 auto;
  min-width:26px;
}

/* ---------- 入口卡 ---------- */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.entry-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.entry-card:hover{
  border-color:rgba(22,69,62,.28);
  box-shadow:var(--sh-2);
  transform:translateY(-2px);
}
.entry-card a{color:inherit;}
.entry-media{
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--brand-soft);
}
.entry-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.entry-card:hover .entry-media img{transform:scale(1.03);}
.entry-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.entry-tag{
  align-self:flex-start;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:var(--r-pill);
  padding:4px 12px;
}
.entry-body h3{font-size:21px;font-weight:700;line-height:1.4;}
.entry-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.entry-link{
  margin-top:auto;
  font-size:14.5px;
  font-weight:600;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.entry-link::after{content:"→";transition:transform .2s ease;}
.entry-card:hover .entry-link::after{transform:translateX(3px);}

/* ---------- 窄 CTA ---------- */
.cta-band{
  background:var(--brand);
  background-image:radial-gradient(rgba(246,243,236,.10) 1px,transparent 1px);
  background-size:20px 20px;
  color:#F6F3EC;
  border-radius:var(--r-lg);
  padding:36px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:24px;line-height:1.35;font-weight:700;margin-bottom:8px;color:#fff;}
.cta-band p{font-size:14.5px;color:rgba(246,243,236,.82);line-height:1.75;max-width:640px;}
.cta-band .btn-primary{flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--surface-2);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  margin-top:24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--ink-2);line-height:1.85;max-width:340px;}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
  color:var(--ink);
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col li a,.footer-col li span{
  font-size:14px;
  color:var(--ink-2);
  line-height:1.7;
}
.footer-col li a:hover{
  color:var(--brand);
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-underline-offset:4px;
}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--gutter:22px;}
  .hero-title{font-size:38px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-brand p{max-width:none;}
  .step-cell{padding-right:20px;}
  .step-cell:nth-child(2),.step-cell:nth-child(3){padding-left:20px;}
}
@media (max-width:991px){
  .nav-panel{
    display:none;
    position:absolute;
    left:calc(-1 * var(--gutter));
    right:calc(-1 * var(--gutter));
    top:100%;
    background:var(--surface);
    border-top:1px solid var(--line);
    box-shadow:var(--sh-2);
    padding:16px var(--gutter) 22px;
    flex-direction:column;
    align-items:stretch;
    gap:14px;
  }
  .nav-panel.is-open{display:flex;}
  .nav-chips{flex-wrap:wrap;overflow:visible;gap:10px;}
  .nav-cta{margin-left:0;width:100%;}
  .nav-toggle{display:inline-flex;}
  .hero-title{font-size:34px;}
  .section{padding:72px 0;}
  .steps-strip{grid-template-columns:1fr;}
  .step-cell,.step-cell:nth-child(2),.step-cell:nth-child(3){
    padding:22px 0;
    border-right:0;
    border-bottom:1px solid var(--line);
  }
  .step-cell:last-child{border-bottom:0;}
  .entry-grid{grid-template-columns:1fr;}
  .cta-band{padding:30px 24px;flex-direction:column;align-items:flex-start;}
  .cta-band .btn-primary{width:100%;}
}
@media (max-width:767px){
  .faq-hero{padding:52px 0 44px;}
  .hero-title{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .search-form{flex-direction:column;align-items:stretch;padding:8px;gap:8px;}
  .search-form input{height:42px;padding:0 12px;}
  .search-form .btn{width:100%;}
  .section{padding:var(--sec-y-sm) 0;}
  .section-head h2{font-size:24px;}
  .faq-acc .accordion-button{font-size:16.5px;padding:18px 44px 18px 16px;gap:12px;}
  .faq-acc .accordion-body{padding:0 20px 22px 16px;font-size:15.5px;}
  .entry-grid{gap:18px;}
  .entry-body{padding:20px;}
  .entry-body h3{font-size:19px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .topbar-text .topbar-long{display:none;}
  .logo-text{font-size:15.5px;}
  .logo-text small{font-size:9.5px;}
}
@media (max-width:520px){
  .topbar .container{min-height:42px;gap:10px;}
  .topbar-pill{padding:3px 10px;font-size:12.5px;}
  .hero-title{font-size:27px;}
  .chip-row .chip{font-size:12.5px;padding:7px 13px;}
  .cta-band h2{font-size:21px;}
  .footer-grid{grid-template-columns:1fr;}
  .step-cell h3{font-size:17.5px;}
}