/* roulang page: index */
:root{
  --c-primary:#14453A;
  --c-primary-600:#1C5C4C;
  --c-primary-100:#E4EDE9;
  --c-accent:#B9722F;
  --c-accent-600:#9C5E22;
  --c-accent-100:#F6E9DA;
  --c-ink:#1B2320;
  --c-ink-2:#5A625C;
  --c-ink-3:#8A908A;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEBE2;
  --c-line:#E2DED3;
  --c-line-strong:#CFC8B8;
  --c-dark:#10403A;
  --c-ok:#2F7D5B;
  --c-err:#A8443A;
  --r-btn:4px;
  --r-card:8px;
  --r-img:8px;
  --r-input:6px;
  --sp-section:88px;
  --font-ui:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-serif:"Source Han Serif SC","Noto Serif SC","Songti SC",serif;
  --grain:repeating-linear-gradient(0deg,rgba(20,69,58,.06) 0 1px,transparent 1px 26px),repeating-linear-gradient(90deg,rgba(20,69,58,.06) 0 1px,transparent 1px 26px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:var(--font-ui);font-size:16px;line-height:1.85;
  letter-spacing:0;
}
h1,h2,h3,h4{font-family:var(--font-serif);letter-spacing:.02em;margin:0;color:var(--c-ink)}
h1{font-size:clamp(30px,4.4vw,46px);line-height:1.3}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35}
h3{font-size:20px;line-height:1.45}
h4{font-size:17px;line-height:1.5}
p{margin:0 0 1.4em}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-accent);border-bottom:1px dashed var(--c-accent)}
img{max-width:100%;display:block;height:auto}
button{font-family:inherit;font-size:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sp-section) 0}
.section--tight{padding:64px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;border-bottom:1px solid var(--c-line);padding-bottom:20px}
.sec-title{display:flex;align-items:center;gap:14px}
.sec-num{font-family:var(--font-serif);font-size:13px;letter-spacing:.14em;color:var(--c-accent);text-transform:uppercase;white-space:nowrap}
.sec-bar{width:3px;height:26px;background:var(--c-primary);display:inline-block}
.sec-desc{color:var(--c-ink-2);font-size:14.5px;max-width:520px;line-height:1.75;margin:0}
.eyebrow{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--c-accent);font-weight:600}

/* 通告条 */
.notice{background:var(--c-accent-100);color:var(--c-accent-600);font-size:13px;position:relative}
.notice .container{display:flex;align-items:center;gap:12px;min-height:38px;padding-top:6px;padding-bottom:6px}
.notice p{margin:0;flex:1}
.notice-close{background:none;border:0;padding:4px;line-height:0;color:var(--c-accent-600);border-radius:4px}
.notice-close:hover{background:rgba(156,94,34,.12)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 2px 10px rgba(20,69,58,.06)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-primary);border:0}
.logo:hover{color:var(--c-primary);border:0}
.logo-mark{flex:none}
.logo-text{font-family:var(--font-serif);font-size:20px;line-height:1.1;color:var(--c-primary);letter-spacing:.02em}
.logo-text small{display:block;font-family:var(--font-ui);font-size:11px;letter-spacing:.28em;color:var(--c-ink-3);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-links a{display:block;padding:9px 14px;font-size:15px;letter-spacing:.02em;color:var(--c-ink);border-radius:6px;border:0;border-bottom:2px solid transparent}
.nav-links a:hover{background:var(--c-surface-2);color:var(--c-primary);border-bottom-color:transparent}
.nav-links a.active{color:var(--c-primary);border-bottom:2px solid var(--c-accent);font-weight:600}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;background:none;border:1px solid var(--c-line-strong);border-radius:6px;width:44px;height:40px;padding:10px}
.nav-toggle span{display:block;height:2px;background:var(--c-primary);margin:0 auto;width:20px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle span+span{margin-top:5px}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--r-btn);font-size:15px;line-height:1.2;border:1px solid transparent;transition:all .18s ease;text-decoration:none;white-space:nowrap}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.btn-primary:hover{background:var(--c-accent);border-color:var(--c-accent);color:#fff;transform:translateY(-1px);box-shadow:0 6px 18px rgba(20,69,58,.16)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-100);color:var(--c-primary);transform:translateY(-1px)}
.btn-accent{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}
.btn-accent:hover{background:var(--c-accent-600);border-color:var(--c-accent-600);color:#fff;transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-text{background:none;border:0;color:var(--c-primary);padding:6px 0;font-size:14.5px}
.btn-text:hover{color:var(--c-accent);border-bottom:1px dashed var(--c-accent)}
.btn-text svg{transition:transform .18s ease}
.btn-text:hover svg{transform:translateX(3px)}
.btn[disabled]{background:var(--c-surface-2);color:var(--c-ink-3);border-color:var(--c-line);cursor:not-allowed;transform:none;box-shadow:none}

/* Hero */
.hero{position:relative;min-height:min(76vh,620px);display:flex;align-items:center;color:#fff;background-color:var(--c-dark);background-image:linear-gradient(180deg,rgba(16,64,58,.86),rgba(16,64,58,.62)),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:var(--grain);opacity:.5;pointer-events:none}
.hero .container{position:relative;z-index:2;padding-top:72px;padding-bottom:72px}
.hero-inner{max-width:640px}
.hero-tag{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--c-accent-100);border:1px solid rgba(246,233,218,.4);padding:6px 12px;border-radius:999px;margin-bottom:22px}
.hero h1{color:#fff;margin-bottom:18px}
.hero-sub{font-size:19px;line-height:1.75;color:rgba(255,255,255,.86);margin-bottom:32px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-anchors{margin-top:52px;display:flex;gap:26px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px}
.hero-anchors::-webkit-scrollbar{display:none}
.hero-anchors a{color:rgba(255,255,255,.6);font-size:13px;letter-spacing:.08em;white-space:nowrap;border:0;scroll-snap-align:start;padding-bottom:4px;border-bottom:1px solid transparent}
.hero-anchors a:hover{color:var(--c-accent-100);border-bottom-color:var(--c-accent-100)}

/* 目录卡 */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.topic-card{position:relative;display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 24px 22px;transition:all .2s ease;color:var(--c-ink)}
.topic-card:hover{border-color:var(--c-accent);transform:translateY(-2px);box-shadow:0 6px 18px rgba(20,69,58,.10);color:var(--c-ink)}
.topic-num{font-family:var(--font-serif);font-size:28px;color:rgba(185,114,47,.42);line-height:1;display:block;margin-bottom:14px}
.topic-card h3{margin-bottom:10px}
.topic-card p{font-size:14.5px;line-height:1.75;color:var(--c-ink-2);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-more{font-size:14px;color:var(--c-primary);font-weight:600}

/* 精选条目 错落 */
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.feature{display:grid;grid-template-columns:1fr;gap:16px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:all .2s ease}
.feature:hover{border-color:var(--c-line-strong);transform:translateY(-2px);box-shadow:0 6px 18px rgba(20,69,58,.10)}
.feature-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-2)}
.feature-media img{width:100%;height:100%;object-fit:cover}
.badge{display:inline-block;background:var(--c-accent-100);color:var(--c-accent-600);font-size:12px;line-height:1.6;padding:3px 10px;border-radius:999px;letter-spacing:.04em}
.badge--float{position:absolute;left:12px;top:12px;background:rgba(246,233,218,.94)}
.feature-body{padding:20px 22px 22px}
.feature-body h3{margin-bottom:10px}
.feature-body p{font-size:14.5px;line-height:1.75;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;line-height:1.5;color:var(--c-ink-3)}
.meta .dot{width:3px;height:3px;border-radius:50%;background:var(--c-line-strong);display:inline-block}
.feature:nth-child(even) .feature-media{order:-1}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{display:grid;grid-template-columns:200px 1fr;gap:18px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:16px;transition:all .2s ease;color:var(--c-ink)}
.news-card:hover{border-color:var(--c-accent);transform:translateY(-2px);box-shadow:0 6px 18px rgba(20,69,58,.10);color:var(--c-ink)}
.news-thumb{aspect-ratio:200/126;border-radius:6px;overflow:hidden;background:var(--c-surface-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body h4{margin:8px 0 8px;font-size:17px}
.news-card:hover h4{color:var(--c-accent)}
.news-body p{font-size:14px;line-height:1.7;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.empty-state{grid-column:1/-1;min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:var(--c-surface);border:1px dashed var(--c-line-strong);border-radius:var(--r-card);padding:32px;text-align:center;color:var(--c-ink-3)}
.empty-state strong{font-size:15px;color:var(--c-ink);font-weight:600}
.empty-state span{font-size:13px}
.empty-state svg{color:var(--c-line-strong)}

/* 轨道 */
.track-head{display:flex;align-items:center;justify-content:space-between;gap:16px}
.track-ctl{display:flex;gap:8px}
.track-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--c-primary);background:transparent;color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;transition:all .18s ease}
.track-btn:hover{background:var(--c-primary);color:#fff}
.track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 2px 18px;margin-top:24px}
.track::-webkit-scrollbar{height:6px}
.track::-webkit-scrollbar-thumb{background:var(--c-line-strong);border-radius:999px}
.track-card{flex:0 0 280px;scroll-snap-align:start;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:all .2s ease;color:var(--c-ink)}
.track-card:hover{border-color:var(--c-accent);transform:translateY(-2px);box-shadow:0 6px 18px rgba(20,69,58,.10);color:var(--c-ink)}
.track-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--c-surface-2)}
.track-card .track-body{padding:16px 18px 20px}
.track-card h4{font-size:16.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px}

/* CTA 条带 */
.cta-band{background:var(--c-dark);color:#fff;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;background-image:var(--grain);opacity:.55;pointer-events:none}
.cta-band .container{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;padding-top:48px;padding-bottom:48px}
.cta-band h2{color:#fff;font-size:22px;margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.76);font-size:14.5px;margin:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.icon-btn{display:inline-flex;align-items:center;gap:8px}
.is-saved{background:var(--c-accent);border-color:var(--c-accent);color:#fff}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);margin-top:12px;transition:all .2s ease}
.faq-item[open]{border-color:var(--c-accent);background:rgba(239,235,226,.3)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:17px;font-weight:600;color:var(--c-ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-sign{flex:none;width:18px;height:18px;position:relative}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;background:var(--c-accent);border-radius:2px;transition:transform .2s ease}
.faq-sign::before{left:0;top:8px;width:18px;height:2px}
.faq-sign::after{left:8px;top:0;width:2px;height:18px}
.faq-item[open] .faq-sign::after{transform:rotate(90deg)}
.faq-body{padding:0 22px 22px 25px;border-left:3px solid var(--c-accent);margin:0 22px 20px 22px;font-size:15px;line-height:1.9;color:var(--c-ink-2)}

/* 表单区块 */
.panel{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:32px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:14px;color:var(--c-ink-2)}
.field input,.field select,.field textarea{height:46px;border:1px solid var(--c-line);border-radius:var(--r-input);background:#fff;padding:0 14px;font-family:inherit;font-size:15px;color:var(--c-ink);transition:all .18s ease}
.field textarea{height:132px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(185,114,47,.16)}
.field .hint{font-size:13px;color:var(--c-ink-3)}
.field.full{grid-column:1/-1}

/* 页脚 */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.78);padding-top:64px;border-top:1px solid rgba(185,114,47,.3);position:relative}
.site-footer::after{content:"";position:absolute;inset:0;background-image:var(--grain);opacity:.45;pointer-events:none}
.footer-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text small{color:rgba(255,255,255,.5)}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.72);margin:16px 0 0;max-width:300px}
.footer-col h4{font-size:15px;color:var(--c-accent-100);margin-bottom:16px;font-family:var(--font-ui);letter-spacing:.04em}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.78);border:0;transition:all .18s ease;display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-col li{font-size:14px}
.footer-bottom{position:relative;z-index:2;margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;font-size:13px;color:rgba(255,255,255,.55);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}

/* 响应式 */
@media (max-width:1279px){
  .container{max-width:960px}
}
@media (max-width:1023px){
  :root{--sp-section:64px}
  .container{max-width:100%;padding:0 20px}
  .nav-links{position:fixed;top:72px;right:0;width:280px;height:calc(100vh - 72px);background:var(--c-surface);flex-direction:column;align-items:stretch;gap:0;padding:12px 16px 32px;border-left:1px solid var(--c-line);transform:translateX(105%);transition:transform .22s ease;overflow-y:auto}
  .nav-links.is-open{transform:translateX(0)}
  .nav-links a{height:52px;display:flex;align-items:center;font-size:16px;border-bottom:1px solid var(--c-line);border-radius:0}
  .nav-links a.active{border-bottom:1px solid var(--c-line);color:var(--c-accent)}
  .nav-toggle{display:block}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .feature-list{grid-template-columns:1fr}
  .feature:nth-child(even) .feature-media{order:0}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band .container{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  :root{--sp-section:48px}
  .container{padding:0 16px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .grid-3{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .hero{min-height:78vh;max-height:520px}
  .hero .container{padding-top:48px;padding-bottom:48px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .news-card{grid-template-columns:40% 1fr;gap:12px;padding:12px}
  .panel{padding:22px}
}
@media (max-width:479px){
  .nav-cta .btn{padding:10px 14px;font-size:14px}
  .hero-sub{font-size:16.5px}
  .topic-card,.feature-body{padding:18px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto;justify-content:center}
}

/* roulang page: article */
:root{
  --c-primary:#14453A;
  --c-primary-600:#1C5C4C;
  --c-primary-100:#E4EDE9;
  --c-accent:#B9722F;
  --c-accent-600:#9C5E22;
  --c-accent-100:#F6E9DA;
  --c-ink:#1B2320;
  --c-ink-2:#5A625C;
  --c-ink-3:#8A908A;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEBE2;
  --c-line:#E2DED3;
  --c-line-strong:#CFC8B8;
  --c-dark:#10403A;
  --c-ok:#2F7D5B;
  --c-err:#A8443A;
  --r-btn:4px;
  --r-card:8px;
  --r-img:8px;
  --r-input:6px;
  --r-badge:999px;
  --sh-hover:0 6px 18px rgba(20,69,58,.10);
  --sh-head:0 2px 10px rgba(20,69,58,.06);
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-serif:"Source Han Serif SC","Noto Serif SC","Songti SC",serif;
  --sp-section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.02em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;border-bottom:1px dashed transparent;transition:color .18s ease,border-color .18s ease;}
a:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}
h1,h2,h3,h4{font-family:var(--font-serif);letter-spacing:.02em;margin:0;line-height:1.35;color:var(--c-ink);}
h1{font-size:clamp(30px,4.4vw,46px);}
h2{font-size:clamp(24px,2.6vw,32px);}
h3{font-size:20px;}
h4{font-size:17px;}
p{margin:0 0 1.4em;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部通告条 ---------- */
.topbar{background:var(--c-accent-100);color:var(--c-accent-600);font-size:13px;line-height:38px;height:38px;overflow:hidden;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar p{margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar button{background:none;border:0;color:var(--c-accent-600);padding:0;line-height:1;display:inline-flex;align-items:center;}
.topbar.is-hidden{display:none;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(247,245,240,.92);backdrop-filter:blur(8px);transition:box-shadow .2s ease,background .2s ease;}
.site-header.is-scrolled{background:#fff;box-shadow:var(--sh-head);}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;border-bottom:0;color:var(--c-primary);}
.logo:hover{border-bottom:0;color:var(--c-primary);}
.logo-mark{flex:none;}
.logo-text{font-family:var(--font-serif);font-size:20px;font-weight:700;color:var(--c-primary);display:flex;flex-direction:column;line-height:1.12;}
.logo-text small{font-family:var(--font-sans);font-size:10.5px;font-weight:400;letter-spacing:.14em;color:var(--c-ink-3);text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0;counter-reset:navnum;}
.nav-links a{display:inline-block;padding:9px 14px;border-radius:6px;font-size:15px;color:var(--c-ink);border-bottom:2px solid transparent;transition:background .18s ease,color .18s ease;}
.nav-links a:hover{background:var(--c-surface-2);color:var(--c-primary);border-bottom-color:transparent;}
.nav-links a.active{color:var(--c-primary);border-bottom-color:var(--c-accent);font-weight:600;}
.nav-cta{display:flex;align-items:center;gap:10px;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;padding:0;flex-direction:column;justify-content:center;align-items:center;gap:5px;transition:border-color .2s ease;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle:hover{border-color:var(--c-accent);}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0;}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--r-btn);font-size:15px;line-height:1.2;border:1px solid transparent;transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;cursor:pointer;text-align:center;}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.btn-primary:hover{background:var(--c-accent);border-color:var(--c-accent);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-100);color:var(--c-primary);}
.btn-accent{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.btn-accent:hover{background:var(--c-accent-600);border-color:var(--c-accent-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.65);}
.btn-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-link{background:none;border:0;color:var(--c-primary);padding:0;font-size:15px;display:inline-flex;align-items:center;gap:6px;border-bottom:1px dashed transparent;}
.btn-link:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}
.btn-link svg{transition:transform .18s ease;}
.btn-link:hover svg{transform:translateX(3px);}
.btn[disabled],.btn.is-disabled{background:var(--c-surface-2);color:var(--c-ink-3);border-color:var(--c-line);cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;background:var(--c-accent-100);color:var(--c-accent-600);border-radius:var(--r-badge);padding:4px 12px;font-size:12px;line-height:1.6;letter-spacing:.04em;}
.badge-outline{background:transparent;border:1px solid var(--c-line-strong);color:var(--c-ink-2);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag-cloud a{display:inline-flex;align-items:center;border:1px solid var(--c-line);background:#fff;border-radius:var(--r-badge);padding:5px 14px;font-size:13px;color:var(--c-ink-2);}
.tag-cloud a:hover{border-color:var(--c-accent);color:var(--c-accent-600);background:var(--c-accent-100);}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;line-height:1.5;color:var(--c-ink-3);padding:20px 0 0;}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:inline-flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--c-line-strong);}
.crumb a{color:var(--c-ink-2);border-bottom:0;}
.crumb a:hover{color:var(--c-accent);}
.crumb .current{color:var(--c-ink-3);max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-head{padding:34px 0 30px;border-bottom:1px solid var(--c-line);}
.article-head .kicker{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.article-head h1{max-width:900px;}
.head-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:20px;font-size:13px;line-height:1.5;color:var(--c-ink-3);}
.head-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--c-line-strong);}
.head-actions{display:flex;gap:10px;margin-left:auto;}
.icon-btn{width:40px;height:40px;border:1px solid var(--c-line);background:#fff;border-radius:var(--r-btn);display:inline-flex;align-items:center;justify-content:center;color:var(--c-primary);transition:border-color .18s ease,background .18s ease,color .18s ease;}
.icon-btn:hover{border-color:var(--c-accent);color:var(--c-accent-600);background:var(--c-accent-100);}
.icon-btn.is-active{background:var(--c-accent);border-color:var(--c-accent);color:#fff;}
.icon-btn.is-active svg{fill:currentColor;}

/* ---------- 头图 ---------- */
.article-figure{margin:32px 0 0;}
.article-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);background:var(--c-surface-2);}
.article-figure figcaption{font-size:13.5px;color:var(--c-ink-3);text-align:center;margin-top:12px;}

/* ---------- 正文 ---------- */
.article-main{padding:48px 0 var(--sp-section);}
.article-body{max-width:760px;margin:0 auto;}
.prose{font-size:17px;line-height:1.9;color:var(--c-ink);}
.prose>p:first-child{font-size:18px;color:var(--c-ink-2);}
.prose h2{font-size:clamp(22px,2.4vw,28px);margin:40px 0 16px;padding-left:14px;border-left:3px solid var(--c-accent);}
.prose h3{font-size:20px;margin:32px 0 12px;}
.prose h4{font-size:17px;margin:26px 0 10px;color:var(--c-primary);}
.prose p{margin:0 0 1.4em;}
.prose ul,.prose ol{list-style:none;margin:0 0 1.4em;padding:0;}
.prose li{position:relative;padding-left:24px;margin-bottom:10px;font-size:16.5px;line-height:1.85;}
.prose ul>li::before{content:"";position:absolute;left:2px;top:.82em;width:11px;height:2px;background:var(--c-accent);border-radius:2px;}
.prose ol{counter-reset:li;}
.prose ol>li{counter-increment:li;}
.prose ol>li::before{content:counter(li) ".";position:absolute;left:0;top:0;color:var(--c-accent);font-weight:700;font-family:var(--font-serif);}
.prose blockquote{margin:0 0 1.6em;background:var(--c-surface-2);border-left:3px solid var(--c-accent);border-radius:0 var(--r-card) var(--r-card) 0;padding:18px 22px;color:var(--c-ink-2);font-size:16px;}
.prose blockquote p:last-child{margin-bottom:0;}
.prose table{width:100%;border-collapse:collapse;margin:0 0 1.6em;font-size:15px;}
.prose th,.prose td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;}
.prose thead th{background:var(--c-primary-100);color:var(--c-primary);font-weight:600;}
.prose tbody tr:nth-child(even){background:var(--c-surface-2);}
.prose img{border-radius:var(--r-img);margin:24px auto;}
.prose figure{margin:24px 0;}
.prose figcaption{text-align:center;font-size:14px;color:var(--c-ink-3);margin-top:10px;}
.prose a{color:var(--c-primary);border-bottom:1px dashed var(--c-line-strong);}
.prose a:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}
.prose code{background:var(--c-surface-2);border-radius:4px;padding:2px 6px;font-size:14.5px;}
.prose pre{background:var(--c-dark);color:#E9EFEC;border-radius:var(--r-card);padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:0 0 1.6em;}
.prose pre code{background:none;color:inherit;padding:0;}
.prose hr{border:0;border-top:1px solid var(--c-line);margin:36px 0;}

/* ---------- 空态 ---------- */
.empty-state{max-width:760px;margin:0 auto;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:52px 28px;text-align:center;}
.empty-state svg{margin:0 auto 18px;color:var(--c-line-strong);}
.empty-state h3{font-size:20px;margin-bottom:8px;}
.empty-state p{font-size:13.5px;color:var(--c-ink-3);margin-bottom:22px;}

/* ---------- 文末标签 ---------- */
.article-foot{max-width:760px;margin:44px auto 0;padding-top:26px;border-top:1px solid var(--c-line);display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.article-foot .label{font-size:13px;color:var(--c-ink-3);letter-spacing:.08em;}

/* ---------- 条目导航 ---------- */
.post-nav{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px;}
.post-nav-card{display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px 22px;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;}
.post-nav-card:hover{border-color:var(--c-accent);transform:translateY(-2px);box-shadow:var(--sh-hover);}
.post-nav-card .pn-label{display:block;font-size:12px;letter-spacing:.1em;color:var(--c-accent-600);margin-bottom:8px;}
.post-nav-card .pn-title{display:block;font-family:var(--font-serif);font-size:17px;color:var(--c-ink);line-height:1.5;}
.post-nav-card.next{text-align:right;}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sp-section) 0;}
.section-alt{background:var(--c-surface-2);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.sec-no{display:flex;align-items:center;gap:12px;font-size:13px;letter-spacing:.1em;color:var(--c-accent);margin-bottom:10px;}
.sec-no::after{content:"";flex:none;width:3px;height:16px;background:var(--c-primary);}
.sec-no span{color:var(--c-accent);font-family:var(--font-serif);}
.sec-desc{font-size:14.5px;line-height:1.75;color:var(--c-ink-2);margin:10px 0 0;max-width:640px;}

/* ---------- 推荐卡 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;}
.card:hover{border-color:var(--c-accent);transform:translateY(-2px);box-shadow:var(--sh-hover);}
.card-thumb{margin:0;position:relative;background:var(--c-surface-2);}
.card-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.card-badge{position:absolute;top:12px;left:12px;background:var(--c-accent-100);color:var(--c-accent-600);border-radius:var(--r-badge);font-size:12px;padding:3px 11px;}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:18px;margin-bottom:10px;line-height:1.5;}
.card-body p{font-size:14.5px;line-height:1.75;color:var(--c-ink-2);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-ink-3);margin-top:auto;}
.card-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--c-line-strong);}
.card:hover h3{color:var(--c-accent-600);}

/* ---------- CTA 条带 ---------- */
.cta-band{background:var(--c-dark);color:#fff;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;opacity:.5;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px;}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:48px 0;}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.4vw,28px);margin-bottom:10px;}
.cta-inner p{margin:0;font-size:14.5px;color:rgba(255,255,255,.78);max-width:620px;}
.cta-actions{display:flex;gap:12px;flex:none;}

/* ---------- 返回入口 ---------- */
.back-row{max-width:760px;margin:36px auto 0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.78);position:relative;}
.site-footer::before{content:"";display:block;height:1px;background:rgba(185,114,47,.3);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text small{color:rgba(255,255,255,.5);}
.footer-brand p{margin:16px 0 0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:300px;}
.footer-col h4{font-size:15px;color:var(--c-accent-100);margin-bottom:16px;font-family:var(--font-sans);}
.footer-col ul{list-style:none;}
.footer-col li{margin-bottom:11px;font-size:14px;color:rgba(255,255,255,.6);}
.footer-col a{font-size:14px;color:rgba(255,255,255,.78);border-bottom:0;transition:color .18s ease,transform .18s ease;display:inline-block;}
.footer-col a:hover{color:#fff;transform:translateX(2px);border-bottom-color:transparent;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.55);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:960px;}
}
@media (max-width:1023px){
  :root{--sp-section:64px;}
  .container{max-width:100%;padding:0 20px;}
  .nav-toggle{display:inline-flex;}
  .nav-links{position:fixed;top:0;right:0;height:100vh;width:min(86vw,340px);background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:84px 16px 24px;transform:translateX(103%);transition:transform .28s ease;box-shadow:-12px 0 30px rgba(20,69,58,.14);z-index:70;overflow-y:auto;}
  .site-header.nav-open .nav-links{transform:translateX(0);}
  .nav-links li{border-bottom:1px solid var(--c-line);counter-increment:navnum;}
  .nav-links a{display:block;height:52px;line-height:52px;padding:0 8px 0 40px;position:relative;border-radius:0;border-bottom:0;}
  .nav-links a::before{content:"0" counter(navnum);position:absolute;left:10px;top:0;color:var(--c-accent);font-size:13px;font-family:var(--font-serif);}
  .nav-links a.active{color:var(--c-primary);font-weight:600;background:var(--c-primary-100);}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:22px;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav-card.next{text-align:left;}
  .head-actions{margin-left:0;width:100%;}
}
@media (max-width:767px){
  :root{--sp-section:48px;}
  .container{padding:0 16px;}
  .topbar{display:none;}
  .nav{height:64px;}
  .logo-text{font-size:17px;}
  .logo-text small{font-size:9.5px;}
  .nav-cta .btn{padding:9px 14px;font-size:14px;}
  .crumb{font-size:12.5px;}
  .crumb .current{max-width:62vw;}
  .article-head{padding:24px 0 22px;}
  .article-figure{margin-top:22px;}
  .article-main{padding:34px 0 var(--sp-section);}
  .prose{font-size:16.5px;}
  .prose li{font-size:16px;}
  .prose table{display:block;overflow-x:auto;white-space:nowrap;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 28px;}
  .footer-brand p{max-width:none;}
  .cta-actions{width:100%;flex-wrap:wrap;}
  .cta-actions .btn{flex:1 1 auto;}
  .article-foot{gap:10px;}
}
@media (max-width:520px){
  .logo-text{font-size:16px;}
  .nav-cta .btn{padding:8px 11px;font-size:13.5px;letter-spacing:0;}
  .head-meta{gap:10px;font-size:12.5px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#14453A;
  --c-primary-600:#1C5C4C;
  --c-primary-100:#E4EDE9;
  --c-accent:#B9722F;
  --c-accent-600:#9C5E22;
  --c-accent-100:#F6E9DA;
  --c-ink:#1B2320;
  --c-ink-2:#5A625C;
  --c-ink-3:#8A908A;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEBE2;
  --c-line:#E2DED3;
  --c-line-strong:#CFC8B8;
  --c-dark:#10403A;
  --c-ok:#2F7D5B;
  --c-err:#A8443A;
  --r-btn:4px;
  --r-card:8px;
  --r-input:6px;
  --r-pill:999px;
  --sh-hover:0 6px 18px rgba(20,69,58,.10);
  --sh-nav:0 2px 10px rgba(20,69,58,.06);
  --font-ui:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-serif:"Source Han Serif SC","Noto Serif SC","Songti SC",serif;
  --sp-sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-ui);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  background-image:linear-gradient(rgba(20,69,58,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(20,69,58,.035) 1px,transparent 1px);
  background-size:34px 34px;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,border-color .18s ease;}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{font-family:var(--font-serif);letter-spacing:.02em;margin:0;line-height:1.35;color:var(--c-ink);}
p{margin:0 0 1.4em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;padding:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;letter-spacing:.02em;transition:all .2s ease;border:1px solid transparent;white-space:nowrap;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-accent);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent;}
.btn-outline:hover{background:var(--c-primary-100);color:var(--c-primary);}
.btn-ghost{color:var(--c-primary);padding:6px 0;font-weight:600;}
.btn-ghost .arrow{display:inline-block;transition:transform .2s ease;}
.btn-ghost:hover{color:var(--c-accent);}
.btn-ghost:hover .arrow{transform:translateX(3px);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 6px 18px rgba(185,114,47,.22);}
.btn-onDark{border-color:rgba(255,255,255,.6);color:#fff;}
.btn-onDark:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,245,240,.94);backdrop-filter:saturate(140%) blur(6px);border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease,background .2s ease;}
.site-header.is-stuck{background:#fff;box-shadow:var(--sh-nav);}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{flex-shrink:0;}
.logo-text{font-family:var(--font-serif);font-size:20px;line-height:1.1;color:var(--c-primary);display:flex;flex-direction:column;letter-spacing:.02em;}
.logo-text small{font-family:var(--font-ui);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--c-accent);font-weight:500;margin-top:2px;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{display:inline-block;padding:8px 14px;border-radius:6px;font-size:15px;letter-spacing:.02em;color:var(--c-ink);border-bottom:2px solid transparent;}
.nav-links a:hover{background:var(--c-surface-2);color:var(--c-primary);}
.nav-links a.active{color:var(--c-primary);border-bottom-color:var(--c-accent);font-weight:600;}
.nav-cta{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:6px;border:1px solid var(--c-line);align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);transition:transform .2s ease,opacity .2s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 页面头 ---------- */
.page-head{padding:56px 0 34px;border-bottom:1px solid var(--c-line);position:relative;overflow:hidden;}
.page-head::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(20,69,58,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(20,69,58,.05) 1px,transparent 1px);background-size:26px 26px;opacity:.6;pointer-events:none;}
.page-head > .container{position:relative;z-index:1;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;line-height:1.5;color:var(--c-ink-3);margin-bottom:18px;}
.crumbs a{color:var(--c-ink-2);}
.crumbs a:hover{color:var(--c-accent);}
.crumbs .sep{color:var(--c-line-strong);}
.crumbs .current{color:var(--c-ink-3);}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.head-copy{max-width:680px;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.08em;color:var(--c-accent-600);margin-bottom:14px;}
.eyebrow i{display:block;width:22px;height:1px;background:var(--c-accent);}
.page-title{font-size:clamp(28px,3.6vw,42px);line-height:1.25;}
.page-title em{font-style:normal;color:var(--c-primary);}
.page-lead{margin:16px 0 0;font-size:16px;line-height:1.8;color:var(--c-ink-2);}
.head-stats{display:flex;gap:28px;padding-bottom:6px;}
.head-stats div{min-width:88px;}
.head-stats b{display:block;font-family:var(--font-serif);font-size:26px;color:var(--c-primary);line-height:1.2;}
.head-stats span{font-size:13px;color:var(--c-ink-3);}

.filter-bar{display:flex;gap:10px;overflow-x:auto;padding:20px 0 4px;scrollbar-width:none;}
.filter-bar::-webkit-scrollbar{display:none;}
.filter-chip{flex:0 0 auto;padding:8px 16px;border-radius:var(--r-pill);border:1px solid var(--c-line-strong);background:var(--c-surface);font-size:14px;color:var(--c-ink-2);transition:all .18s ease;}
.filter-chip:hover{border-color:var(--c-accent);color:var(--c-accent);}
.filter-chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-sec) 0;}
.section.tight{padding-top:0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px;}
.sec-kicker{display:flex;align-items:center;gap:12px;margin-bottom:10px;}
.sec-num{font-family:var(--font-serif);font-size:13px;letter-spacing:.14em;color:var(--c-accent);text-transform:uppercase;}
.sec-kicker i{display:block;width:3px;height:16px;background:var(--c-primary);}
.sec-title{font-size:clamp(22px,2.4vw,30px);}
.sec-desc{margin:10px 0 0;font-size:15px;color:var(--c-ink-2);max-width:700px;}

/* ---------- 杂志网格 ---------- */
.grid-mag{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column;}
.card:hover{border-color:var(--c-accent);transform:translateY(-2px);box-shadow:var(--sh-hover);}
.card-lead{grid-column:span 2;display:grid;grid-template-columns:1.05fr 1fr;}
.card-media{position:relative;background:var(--c-surface-2);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-lead .card-media{aspect-ratio:16/10;height:100%;}
.badge{position:absolute;top:14px;left:14px;display:inline-block;padding:4px 12px;border-radius:var(--r-pill);background:var(--c-accent-100);color:var(--c-accent-600);font-size:12px;letter-spacing:.04em;}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-lead .card-body{padding:32px;justify-content:center;}
.card-title{font-size:20px;line-height:1.45;}
.card-lead .card-title{font-size:clamp(22px,2.4vw,28px);}
.card:hover .card-title{color:var(--c-accent);}
.card-text{font-size:14.5px;line-height:1.8;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-lead .card-text{-webkit-line-clamp:3;font-size:15px;}
.meta{margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-ink-3);}
.meta i{display:block;width:3px;height:3px;border-radius:50%;background:var(--c-line-strong);}
.card-mini{display:flex;flex-direction:column;}
.card-mini .card-media{aspect-ratio:16/9;}
.card-mini .card-body{padding:20px;gap:8px;}
.card-mini .card-title{font-size:17px;}

/* ---------- 分隔线 ---------- */
.divider{display:flex;align-items:center;gap:16px;margin-bottom:32px;}
.divider span{font-size:13px;letter-spacing:.12em;color:var(--c-ink-3);text-transform:uppercase;white-space:nowrap;}
.divider i{flex:1;height:1px;background:var(--c-line);}

/* ---------- 三列密集卡组 ---------- */
.grid-dense{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card-dense .card-media{aspect-ratio:4/3;}
.card-dense .card-body{padding:20px;gap:8px;}
.card-dense .card-title{font-size:16.5px;}
.card-dense .card-text{-webkit-line-clamp:2;font-size:14px;}
.empty-state{display:none;text-align:center;padding:56px 24px;border:1px dashed var(--c-line-strong);border-radius:var(--r-card);background:var(--c-surface);}
.empty-state.is-on{display:block;}
.empty-state svg{margin:0 auto 16px;}
.empty-state h3{font-size:17px;margin-bottom:6px;}
.empty-state p{font-size:13.5px;color:var(--c-ink-3);margin:0 0 18px;}

/* ---------- 字段说明 ---------- */
.field-wrap{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.field-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px;}
.field-card h3{font-size:18px;margin-bottom:8px;}
.field-card > p{font-size:14.5px;color:var(--c-ink-2);margin-bottom:20px;}
.field-list li{display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--c-line);}
.field-list li:first-child{border-top:none;padding-top:0;}
.field-list .no{font-family:var(--font-serif);font-size:13px;color:var(--c-accent);flex:0 0 30px;padding-top:3px;}
.field-list b{display:block;font-size:15.5px;font-weight:600;margin-bottom:2px;}
.field-list span{font-size:14px;color:var(--c-ink-2);line-height:1.7;}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--c-line);}
.step{padding:28px 24px 28px 0;border-right:1px solid var(--c-line);}
.step:last-child{border-right:none;padding-right:0;}
.step-num{font-family:var(--font-serif);font-size:28px;color:rgba(185,114,47,.35);line-height:1;margin-bottom:14px;}
.step h3{font-size:17px;margin-bottom:10px;}
.step p{font-size:14px;color:var(--c-ink-2);line-height:1.8;margin:0;}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);margin-top:12px;overflow:hidden;transition:border-color .2s ease,background .2s ease;}
.faq-item:first-child{margin-top:0;}
.faq-item.is-open{border-color:var(--c-accent);background:rgba(239,235,226,.42);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;padding:20px 24px;font-size:17px;font-weight:600;font-family:var(--font-serif);color:var(--c-ink);}
.faq-icon{flex:0 0 auto;position:relative;width:16px;height:16px;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-accent);transition:transform .2s ease,opacity .2s ease;}
.faq-icon::before{top:7px;left:0;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 24px 22px 27px;border-left:3px solid var(--c-accent);margin-left:3px;font-size:15px;line-height:1.9;color:var(--c-ink-2);}

/* ---------- CTA 条带 ---------- */
.cta-band{background:var(--c-dark);color:#fff;padding:48px 0;position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:30px 30px;pointer-events:none;}
.cta-band .container{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{font-size:20px;color:#fff;margin-bottom:8px;}
.cta-band p{font-size:14.5px;color:rgba(255,255,255,.72);margin:0;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn-saved.is-saved{background:var(--c-accent);border-color:var(--c-accent);color:#fff;}

/* ---------- 表单 ---------- */
.contact-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start;}
.contact-copy h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:14px;}
.contact-copy p{font-size:15px;color:var(--c-ink-2);}
.contact-points{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.contact-points li{display:flex;gap:10px;font-size:14.5px;color:var(--c-ink-2);}
.contact-points svg{flex:0 0 auto;margin-top:5px;}
.form-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:32px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 24px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:span 2;}
.field label{font-size:14px;color:var(--c-ink-2);}
.field input,.field select,.field textarea{width:100%;height:46px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-input);background:#fff;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;}
.field textarea{height:auto;min-height:110px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(185,114,47,.16);}
.form-note{font-size:13px;color:var(--c-ink-3);margin:18px 0 0;}
.form-actions{grid-column:span 2;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#fff;position:relative;padding-top:64px;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:rgba(185,114,47,.3);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text small{color:var(--c-accent-100);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);margin:16px 0 0;max-width:280px;}
.footer-col h4{font-size:15px;color:var(--c-accent-100);margin-bottom:18px;font-weight:600;}
.footer-col li{margin-bottom:11px;font-size:14px;color:rgba(255,255,255,.78);line-height:1.7;}
.footer-col a{color:rgba(255,255,255,.78);transition:color .18s ease,transform .18s ease;display:inline-block;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1040px;}
}
@media (max-width:1023px){
  :root{--sp-sec:64px;}
  .nav-links{position:fixed;top:72px;right:0;width:280px;max-width:86vw;height:calc(100vh - 72px);background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:12px 0;transform:translateX(105%);transition:transform .22s ease;box-shadow:-8px 0 24px rgba(20,69,58,.10);overflow-y:auto;}
  .nav-links.is-open{transform:translateX(0);}
  .nav-links li{counter-increment:navidx;}
  .nav-links a{display:flex;align-items:center;height:52px;padding:0 24px;border-radius:0;border-bottom:none;border-left:3px solid transparent;font-size:15px;}
  .nav-links a::before{content:counter(navidx,decimal-leading-zero);font-family:var(--font-serif);color:var(--c-accent);font-size:12px;margin-right:14px;letter-spacing:.08em;}
  .nav-links a:hover{background:var(--c-surface-2);}
  .nav-links a.active{border-left-color:var(--c-accent);background:rgba(239,235,226,.5);}
  .nav-toggle{display:flex;}
  .nav-cta .btn{padding:10px 16px;font-size:14px;}
  .head-row{gap:24px;}
  .grid-dense{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step:nth-child(2){border-right:none;padding-right:0;}
  .step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--c-line);}
  .contact-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sp-sec:48px;}
  .container{padding:0 20px;}
  body{font-size:15.5px;}
  .page-head{padding:36px 0 24px;}
  .head-stats{gap:20px;}
  .head-stats b{font-size:22px;}
  .grid-mag{grid-template-columns:1fr;gap:18px;}
  .card-lead{grid-column:span 1;grid-template-columns:1fr;}
  .card-lead .card-media{aspect-ratio:16/9;height:auto;}
  .card-lead .card-body{padding:22px;}
  .grid-dense{grid-template-columns:1fr;}
  .field-wrap{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .step{border-right:none;border-bottom:1px solid var(--c-line);padding:22px 0;}
  .step:last-child{border-bottom:none;}
  .cta-band{padding:36px 0;}
  .form-grid{grid-template-columns:1fr;}
  .field.full,.form-actions{grid-column:span 1;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .btn{width:auto;}
}
@media (max-width:519px){
  .container{padding:0 16px;}
  .logo-text{font-size:18px;}
  .head-stats{display:none;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#14453A;
  --c-primary-600:#1C5C4C;
  --c-primary-100:#E4EDE9;
  --c-accent:#B9722F;
  --c-accent-600:#9C5E22;
  --c-accent-100:#F6E9DA;
  --c-ink:#1B2320;
  --c-ink-2:#5A625C;
  --c-ink-3:#8A908A;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEBE2;
  --c-line:#E2DED3;
  --c-line-strong:#CFC8B8;
  --c-dark:#10403A;
  --c-ok:#2F7D5B;
  --c-err:#A8443A;
  --r-btn:4px;
  --r-card:8px;
  --r-input:6px;
  --r-badge:999px;
  --sh-hover:0 6px 18px rgba(20,69,58,.10);
  --sh-header:0 2px 10px rgba(20,69,58,.06);
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-serif:"Source Han Serif SC","Noto Serif SC","Songti SC",serif;
  --gutter:24px;
}
/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:600;letter-spacing:.02em;line-height:1.35;color:var(--c-ink);}
p{margin:0 0 1.4em;}
p:last-child{margin-bottom:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--c-accent);}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border-radius:var(--r-card);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
/* ============ 容器与板块 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter);}
.section{padding:88px 0;}
.section-alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-index{display:flex;align-items:center;gap:12px;font-size:13px;letter-spacing:.14em;color:var(--c-accent);text-transform:uppercase;margin-bottom:12px;font-weight:600;}
.section-index::before{content:"";display:inline-block;width:3px;height:16px;background:var(--c-primary);}
.section-title{font-size:clamp(24px,2.6vw,32px);}
.section-desc{margin-top:12px;font-size:14.5px;line-height:1.75;color:var(--c-ink-2);}
/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.96);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.scrolled{background:#fff;box-shadow:var(--sh-header);}
.nav{display:flex;align-items:center;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{flex-shrink:0;}
.logo-text{
  font-family:var(--font-serif);font-size:20px;font-weight:600;color:var(--c-primary);
  letter-spacing:.02em;line-height:1.1;display:flex;flex-direction:column;
}
.logo-text small{font-family:var(--font-sans);font-size:10.5px;letter-spacing:.18em;color:var(--c-accent);font-weight:500;text-transform:uppercase;margin-top:2px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  display:block;padding:8px 14px;font-size:15px;letter-spacing:.02em;color:var(--c-ink);
  border-radius:6px;border-bottom:2px solid transparent;
}
.nav-links a:hover{background:var(--c-surface-2);color:var(--c-primary);}
.nav-links a.active{color:var(--c-primary);border-bottom-color:var(--c-accent);}
.nav-cta{flex-shrink:0;}
.nav-toggle{display:none;width:42px;height:42px;flex-direction:column;justify-content:center;align-items:center;gap:5px;margin-left:auto;border-radius:6px;}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--c-primary);transition:transform .2s ease,opacity .2s ease;}
.nav-toggle span:nth-child(2){width:14px;align-self:center;margin-left:-6px;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-backdrop{display:none;}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);font-size:15px;letter-spacing:.02em;
  border:1px solid transparent;transition:all .2s ease;cursor:pointer;white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.btn-primary:hover{background:var(--c-accent);border-color:var(--c-accent);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-100);color:var(--c-primary);transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-accent{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.btn-accent:hover{background:var(--c-accent-600);border-color:var(--c-accent-600);color:#fff;transform:translateY(-1px);}
.btn-ghost{padding:6px 0;color:var(--c-primary);font-size:14.5px;border-bottom:1px dashed transparent;}
.btn-ghost:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}
.btn-ghost .arrow{display:inline-block;transition:transform .2s ease;margin-left:4px;}
.btn-ghost:hover .arrow{transform:translateX(3px);}
.btn[disabled],.btn.is-disabled{background:var(--c-surface-2);color:var(--c-ink-3);border-color:var(--c-line);cursor:not-allowed;transform:none;box-shadow:none;}
/* ============ Hero（简版） ============ */
.hero-cat{
  position:relative;color:#fff;overflow:hidden;
  min-height:360px;display:flex;align-items:center;
  background-image:linear-gradient(180deg,rgba(16,64,58,.86),rgba(16,64,58,.62)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero-cat::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(20,69,58,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(20,69,58,.06) 1px,transparent 1px);
  background-size:48px 48px;
}
.hero-inner{position:relative;z-index:2;padding:72px 0 56px;max-width:720px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;
  color:var(--c-accent-100);background:rgba(185,114,47,.22);border:1px solid rgba(246,233,218,.32);
  padding:6px 14px;border-radius:var(--r-badge);margin-bottom:20px;
}
.hero-title{font-size:clamp(30px,4.4vw,46px);color:#fff;letter-spacing:.02em;}
.hero-sub{margin-top:18px;font-size:18px;line-height:1.75;color:rgba(255,255,255,.86);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-anchors{
  position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.18);
  display:flex;gap:28px;overflow-x:auto;padding:16px 0;
  scrollbar-width:none;-ms-overflow-style:none;
}
.hero-anchors::-webkit-scrollbar{display:none;}
.hero-anchors a{
  color:rgba(255,255,255,.6);font-size:13.5px;letter-spacing:.06em;white-space:nowrap;flex-shrink:0;
}
.hero-anchors a:hover{color:var(--c-accent-100);}
/* ============ 速览数据 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.stat-card:hover{border-color:var(--c-accent);box-shadow:var(--sh-hover);transform:translateY(-2px);}
.stat-num{font-family:var(--font-serif);font-size:13px;color:var(--c-accent);letter-spacing:.1em;opacity:.9;}
.stat-value{font-family:var(--font-serif);font-size:30px;color:var(--c-primary);margin:8px 0 6px;line-height:1.2;}
.stat-label{font-size:14px;color:var(--c-ink-2);line-height:1.7;}
/* ============ 粘性目录条 ============ */
.toc-wrap{
  position:sticky;top:72px;z-index:50;background:rgba(247,245,240,.97);
  border-bottom:1px solid var(--c-line);backdrop-filter:blur(6px);
}
.toc-bar{display:flex;align-items:center;gap:8px;overflow-x:auto;padding:12px 0;scrollbar-width:none;-ms-overflow-style:none;}
.toc-bar::-webkit-scrollbar{display:none;}
.toc-label{font-size:12.5px;letter-spacing:.14em;color:var(--c-ink-3);text-transform:uppercase;padding-right:10px;border-right:1px solid var(--c-line);margin-right:6px;flex-shrink:0;}
.toc-bar a{font-size:14px;color:var(--c-ink-2);padding:6px 12px;border-radius:var(--r-badge);white-space:nowrap;flex-shrink:0;border:1px solid transparent;}
.toc-bar a:hover{color:var(--c-primary);background:var(--c-surface-2);}
/* ============ 编号条目卡 ============ */
.index-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.index-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;display:flex;flex-direction:column;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.index-card:hover{border-color:var(--c-accent);transform:translateY(-2px);box-shadow:var(--sh-hover);}
.index-card-num{font-family:var(--font-serif);font-size:28px;color:var(--c-accent);opacity:.4;line-height:1;margin-bottom:14px;}
.index-card h3{font-size:20px;margin-bottom:10px;}
.index-card p{font-size:14.5px;line-height:1.75;color:var(--c-ink-2);}
.index-card-foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.badge{
  display:inline-block;font-size:12px;letter-spacing:.04em;padding:3px 10px;border-radius:var(--r-badge);
  background:var(--c-primary-100);color:var(--c-primary-600);
}
.badge-accent{background:var(--c-accent-100);color:var(--c-accent-600);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
/* ============ 节点列表卡 ============ */
.node-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.node-item{
  display:flex;gap:18px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.node-item:hover{border-color:var(--c-accent);box-shadow:var(--sh-hover);transform:translateY(-2px);}
.node-thumb{flex:0 0 200px;width:200px;aspect-ratio:200/126;border-radius:var(--r-card);overflow:hidden;background:var(--c-surface-2);}
.node-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.node-body{flex:1;min-width:0;}
.node-body h3{font-size:18px;margin:8px 0 8px;}
.node-body p{font-size:14.5px;line-height:1.75;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.node-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13px;color:var(--c-ink-3);margin-bottom:4px;}
.node-meta .dot{color:var(--c-line-strong);}
/* ============ 适用场景 ============ */
.scene-list{border-top:1px solid var(--c-line);}
.scene-row{
  display:grid;grid-template-columns:88px 1fr 260px;gap:24px;align-items:center;
  padding:26px 0;border-bottom:1px solid var(--c-line);transition:background-color .2s ease;
}
.scene-row:hover{background:rgba(239,235,226,.4);}
.scene-num{font-family:var(--font-serif);font-size:22px;color:var(--c-accent);opacity:.8;}
.scene-body h3{font-size:18px;margin-bottom:6px;}
.scene-body p{font-size:14.5px;color:var(--c-ink-2);line-height:1.75;}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;}
/* ============ 流程 ============ */
.flow{position:relative;padding-left:34px;}
.flow::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:1px;background:var(--c-line);}
.flow-item{position:relative;padding-bottom:30px;}
.flow-item:last-child{padding-bottom:0;}
.flow-num{
  position:absolute;left:-34px;top:2px;width:20px;height:20px;border-radius:50%;
  background:var(--c-bg);border:1px solid var(--c-accent);color:var(--c-accent-600);
  font-size:11.5px;display:flex;align-items:center;justify-content:center;font-weight:600;
}
.flow-item h3{font-size:18px;margin-bottom:6px;}
.flow-item p{font-size:14.5px;color:var(--c-ink-2);line-height:1.78;}
/* ============ 对照卡 ============ */
.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.compare-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;transition:border-color .2s ease,box-shadow .2s ease;}
.compare-card:hover{border-color:var(--c-accent);box-shadow:var(--sh-hover);}
.compare-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:16px;}
.compare-head h3{font-size:19px;}
.compare-head .badge{flex-shrink:0;}
.compare-rows{border-top:1px solid var(--c-line);}
.compare-row{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px dashed var(--c-line);font-size:14.5px;}
.compare-row:last-child{border-bottom:none;}
.compare-row span:first-child{color:var(--c-ink-2);}
.compare-row span:last-child{color:var(--c-ink);font-weight:500;text-align:right;}
/* ============ 横向轨道 ============ */
.track-wrap{position:relative;}
.track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 20px;scrollbar-width:none;-ms-overflow-style:none;
}
.track::-webkit-scrollbar{display:none;}
.track-card{
  flex:0 0 280px;width:280px;scroll-snap-align:start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.track-card:hover{border-color:var(--c-accent);transform:translateY(-2px);box-shadow:var(--sh-hover);}
.track-thumb{aspect-ratio:16/9;background:var(--c-surface-2);overflow:hidden;}
.track-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.track-body{padding:16px 18px 20px;}
.track-body h3{font-size:16.5px;line-height:1.55;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.track-body p{font-size:13.5px;color:var(--c-ink-3);}
/* ============ 深色 CTA 条带 ============ */
.cta-band{
  position:relative;background:var(--c-dark);color:#fff;overflow:hidden;
  box-shadow:inset 0 1px 0 rgba(185,114,47,.3);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
}
.cta-inner{
  position:relative;z-index:2;padding:48px 0;display:flex;align-items:center;
  justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-size:22px;color:#fff;margin-bottom:8px;}
.cta-inner p{font-size:14.5px;color:rgba(255,255,255,.78);}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
/* ============ FAQ ============ */
.faq{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  margin-top:12px;transition:border-color .2s ease,background-color .2s ease;
}
.faq-item[open]{border-color:var(--c-accent);background:rgba(239,235,226,.3);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:17px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-family:var(--font-serif);font-size:22px;color:var(--c-accent);
  line-height:1;transition:transform .2s ease;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-a{padding:0 22px 20px 25px;font-size:15px;line-height:1.9;color:var(--c-ink-2);border-left:3px solid var(--c-accent);margin-left:22px;padding-left:16px;}
/* ============ 表单 ============ */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;color:var(--c-ink-2);}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--c-line);border-radius:var(--r-input);background:#fff;
  padding:0 14px;height:46px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:120px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(185,114,47,.16);
}
.field .err{font-size:13px;color:var(--c-err);display:none;}
.field.has-err input,.field.has-err textarea{border-color:var(--c-err);}
.field.has-err .err{display:block;}
.form-note{font-size:13px;color:var(--c-ink-3);margin-top:14px;}
/* ============ 状态样式 ============ */
.skeleton{background:var(--c-surface-2);border-radius:var(--r-card);position:relative;overflow:hidden;}
.skeleton::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.7),transparent);
  animation:shimmer 1.6s infinite;
}
@keyframes shimmer{0%{transform:translateX(-100%);}100%{transform:translateX(100%);}}
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;border:1px dashed var(--c-line-strong);border-radius:var(--r-card);padding:32px;
}
.empty-state svg{width:64px;height:64px;stroke:var(--c-line-strong);}
.empty-state strong{font-size:15px;font-weight:600;}
.empty-state span{font-size:13px;color:var(--c-ink-3);}
/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.78);border-top:1px solid rgba(185,114,47,.3);position:relative;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px;}
.footer-brand .logo-text{color:#fff;font-size:19px;margin-bottom:14px;}
.footer-brand .logo-text small{color:var(--c-accent-100);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:280px;}
.footer-col h4{font-size:15px;color:var(--c-accent-100);margin-bottom:16px;font-family:var(--font-sans);font-weight:600;letter-spacing:.04em;}
.footer-col li{margin-bottom:10px;font-size:14px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.78);display:inline-block;transition:transform .2s ease,color .2s ease;}
.footer-col a:hover{color:#fff;transform:translateX(-2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:960px;}
  .index-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .container{max-width:100%;padding:0 20px;}
  .section{padding:64px 0;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .nav-links{
    position:fixed;top:0;right:0;width:min(320px,86vw);height:100vh;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;padding:88px 0 24px;margin:0;
    transform:translateX(100%);transition:transform .25s ease;box-shadow:-8px 0 24px rgba(20,69,58,.12);
    overflow-y:auto;z-index:70;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{display:flex;align-items:center;height:52px;padding:0 24px;border-radius:0;border-bottom:1px solid var(--c-line);border-left:3px solid transparent;font-size:16px;}
  .nav-links a::before{content:attr(data-idx);font-family:var(--font-serif);color:var(--c-accent);font-size:13px;margin-right:14px;}
  .nav-links a.active{border-left-color:var(--c-accent);border-bottom-color:var(--c-line);background:var(--c-surface-2);}
  .nav-backdrop{display:block;position:fixed;inset:0;background:rgba(16,64,58,.42);opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:65;}
  .nav-backdrop.show{opacity:1;pointer-events:auto;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .node-list{grid-template-columns:1fr;}
  .scene-row{grid-template-columns:64px 1fr;row-gap:14px;}
  .scene-tags{grid-column:1 / -1;justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .hero-inner{padding:56px 0 40px;}
  .hero-sub{font-size:16.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 100%;}
  .toc-wrap{top:72px;}
  .index-grid{grid-template-columns:1fr;}
  .compare-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .node-item{flex-direction:row;}
  .node-thumb{flex:0 0 40%;width:40%;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:40px 0;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:519px){
  .stat-grid{grid-template-columns:1fr;}
  .logo-text{font-size:17px;}
  .hero-title{font-size:28px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .node-item{flex-direction:column;}
  .node-thumb{flex:none;width:100%;aspect-ratio:16/9;}
  .scene-row{padding:20px 0;}
}
@media (max-width:479px){
  .section{padding:40px 0;}
  .index-card{padding:20px;}
  .hero-anchors{gap:20px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#14453A;
  --c-primary-600:#1C5C4C;
  --c-primary-100:#E4EDE9;
  --c-accent:#B9722F;
  --c-accent-600:#9C5E22;
  --c-accent-100:#F6E9DA;
  --c-ink:#1B2320;
  --c-ink-2:#5A625C;
  --c-ink-3:#8A908A;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEBE2;
  --c-line:#E2DED3;
  --c-line-strong:#CFC8B8;
  --c-dark:#10403A;
  --c-success:#2F7D5B;
  --c-warn:#B9722F;
  --c-error:#A8443A;
  --r-btn:4px;
  --r-card:8px;
  --r-input:6px;
  --sh-hover:0 6px 18px rgba(20,69,58,.10);
  --sh-header:0 2px 10px rgba(20,69,58,.06);
  --w-container:1200px;
  --sp-section:88px;
  --font-ui:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-serif:"Source Han Serif SC","Noto Serif SC","Songti SC",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-ui);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;background:var(--c-surface-2)}
a{color:var(--c-primary);text-decoration:none;transition:color .2s,border-color .2s}
a:hover{color:var(--c-accent);border-bottom:1px dashed currentColor}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;letter-spacing:.02em;margin:0;line-height:1.35}
h4{font-size:17px}
p{margin:0 0 1.4em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--w-container);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;letter-spacing:.02em;cursor:pointer;background:none;
  transition:background .2s,color .2s,border-color .2s,transform .18s,box-shadow .2s;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-accent);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover);border-bottom:1px solid transparent}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-outline:hover{background:var(--c-primary-100);color:var(--c-primary);border-bottom-color:var(--c-primary)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover);border-bottom:1px solid transparent}
.btn-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.14);color:#fff;border-bottom-color:rgba(255,255,255,.6)}
.btn-quiet{padding:8px 0;color:var(--c-primary);border-bottom:1px solid transparent}
.btn-quiet:hover{color:var(--c-accent)}
.btn-quiet .arrow{transition:transform .2s}
.btn-quiet:hover .arrow{transform:translateX(3px)}
.btn[disabled]{color:var(--c-ink-3);background:var(--c-surface-2);border-color:var(--c-line);cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:background .25s,box-shadow .25s;
}
.site-header.is-stuck{background:#fff;box-shadow:var(--sh-header)}
.nav{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-primary);border-bottom:none}
.logo:hover{border-bottom:none;color:var(--c-primary)}
.logo-mark{flex:0 0 22px}
.logo-text{
  font-family:var(--font-serif);font-size:20px;font-weight:600;letter-spacing:.02em;
  display:flex;flex-direction:column;line-height:1.1;white-space:nowrap;
}
.logo-text small{
  font-family:var(--font-ui);font-size:10.5px;font-weight:500;
  letter-spacing:.22em;text-transform:uppercase;color:var(--c-accent);margin-top:3px;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;counter-reset:navi}
.nav-links a{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:6px;
  font-size:15px;letter-spacing:.02em;color:var(--c-ink);border-bottom:none;position:relative;
}
.nav-links a:hover{background:var(--c-surface-2);color:var(--c-primary);border-bottom:none}
.nav-links a.active{color:var(--c-primary);background:transparent}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-accent);border-radius:2px;
}
.nav-cta{display:flex;align-items:center;flex:0 0 auto}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;margin-left:auto;padding:0;
  border:1px solid var(--c-line-strong);border-radius:6px;background:#fff;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;background:var(--c-primary);transition:transform .2s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-section) 0}
.section--paper{background:var(--c-surface-2)}
.section--plain{background:var(--c-bg)}
.sec-head{max-width:820px;margin-bottom:40px}
.sec-no{
  display:inline-block;font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--c-accent);border-left:3px solid var(--c-primary);padding-left:10px;
  margin-bottom:14px;font-weight:600;
}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);color:var(--c-primary)}
.sec-sub{margin-top:14px;font-size:14.5px;line-height:1.75;color:var(--c-ink-2);max-width:680px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head--center .sec-no{border-left:none;border-right:none;padding-left:0}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:999px;
  background:var(--c-accent-100);color:var(--c-accent-600);
  font-size:12px;letter-spacing:.06em;line-height:1.7;
}
.badge--green{background:var(--c-primary-100);color:var(--c-primary)}
.divider{height:1px;background:var(--c-line);border:0;margin:0}

/* ---------- 页面头 ---------- */
.page-head{
  position:relative;isolation:isolate;color:#fff;overflow:hidden;
  background:#10403A url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding:72px 0 64px;
}
.page-head::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 46px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 46px),
    linear-gradient(180deg,rgba(16,64,58,.86),rgba(16,64,58,.62));
}
.page-head-inner{max-width:680px;margin:0 auto;text-align:center}
.crumbs{
  display:flex;justify-content:center;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;line-height:1.5;color:rgba(255,255,255,.7);margin-bottom:22px;
}
.crumbs a{color:rgba(255,255,255,.86);border-bottom:none}
.crumbs a:hover{color:var(--c-accent-100);border-bottom:none}
.crumbs .sep{color:rgba(255,255,255,.4)}
.crumbs .current{color:rgba(255,255,255,.55)}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--c-accent-100);border-left:3px solid var(--c-accent);padding-left:10px;
  margin-bottom:18px;
}
.page-head h1{
  font-size:clamp(30px,4.4vw,46px);color:#fff;margin-bottom:18px;
}
.lede{font-size:clamp(16px,1.6vw,19px);line-height:1.85;color:rgba(255,255,255,.84);margin-bottom:28px}
.page-head-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-bottom:32px}
.head-facts{
  display:flex;flex-wrap:wrap;justify-content:center;gap:10px 26px;
  font-size:13px;color:rgba(255,255,255,.72);border-top:1px solid rgba(255,255,255,.18);padding-top:20px;
}
.head-facts li{display:flex;align-items:center;gap:8px}
.head-facts li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-accent)}

/* ---------- 数据条 ---------- */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;transition:border-color .2s,transform .2s,box-shadow .2s;
}
.stat:hover{border-color:var(--c-accent);transform:translateY(-2px);box-shadow:var(--sh-hover)}
.stat b{
  display:block;font-family:var(--font-serif);font-size:32px;line-height:1.2;
  color:var(--c-primary);margin-bottom:6px;
}
.stat span{font-size:13px;color:var(--c-ink-3);letter-spacing:.04em}
.stat p{margin:8px 0 0;font-size:14.5px;line-height:1.7;color:var(--c-ink-2)}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;max-width:980px;margin:0 auto}
.timeline::before{
  content:"";position:absolute;left:150px;top:12px;bottom:12px;width:1px;background:var(--c-line);
}
.tl-item{
  display:grid;grid-template-columns:130px 40px 1fr;align-items:start;
  padding-bottom:34px;
}
.tl-item:last-child{padding-bottom:0}
.tl-date{text-align:right;padding-top:8px}
.tl-day{
  display:block;font-family:var(--font-serif);font-size:19px;color:var(--c-primary);
  letter-spacing:.04em;
}
.tl-place{display:block;font-size:13px;color:var(--c-ink-3);letter-spacing:.04em;margin-top:2px}
.tl-dot{position:relative;height:100%}
.tl-dot::before{
  content:"";position:absolute;left:15px;top:16px;width:10px;height:10px;border-radius:50%;
  background:var(--c-accent);box-shadow:0 0 0 4px rgba(185,114,47,.16);
}
.tl-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;transition:border-color .25s,transform .25s,box-shadow .25s;
}
.tl-card:hover{border-color:var(--c-accent);transform:translateY(-2px);box-shadow:var(--sh-hover)}
.tl-card h3{font-size:20px;color:var(--c-primary);margin:12px 0 10px}
.tl-card p{font-size:14.5px;line-height:1.8;color:var(--c-ink-2)}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tl-meta li{
  font-size:12.5px;color:var(--c-ink-3);border:1px solid var(--c-line);
  border-radius:999px;padding:2px 12px;background:var(--c-surface-2);
}
.tl-thumb{
  margin:20px 0 0;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);aspect-ratio:16/9;background:var(--c-surface-2);
}
.tl-thumb img{width:100%;height:100%;object-fit:cover}
.tl-foot{font-size:12.5px;color:var(--c-ink-3);margin-top:14px;border-top:1px dashed var(--c-line);padding-top:12px}

/* ---------- 要点双栏 ---------- */
.point-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.point{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;transition:border-color .25s,transform .25s,box-shadow .25s;
}
.point:hover{border-color:var(--c-accent);transform:translateY(-2px);box-shadow:var(--sh-hover)}
.point-no{
  font-family:var(--font-serif);font-size:28px;line-height:1;color:rgba(185,114,47,.35);
  display:block;margin-bottom:14px;
}
.point h3{font-size:19px;color:var(--c-primary);margin-bottom:12px}
.point p{font-size:14.5px;line-height:1.8;color:var(--c-ink-2)}
.point ul{margin-top:16px}
.point ul li{
  position:relative;padding-left:18px;font-size:14px;color:var(--c-ink-2);margin-bottom:8px;
}
.point ul li::before{
  content:"";position:absolute;left:0;top:12px;width:9px;height:2px;background:var(--c-accent);
}

/* ---------- 场景错落卡 ---------- */
.scene-list{display:grid;gap:32px}
.scene{
  display:grid;grid-template-columns:1.05fr 1fr;gap:32px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;transition:border-color .25s,box-shadow .25s;
}
.scene:hover{border-color:var(--c-accent);box-shadow:var(--sh-hover)}
.scene:nth-child(even) .scene-media{order:2}
.scene-media{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);
  aspect-ratio:16/9;background:var(--c-surface-2);
}
.scene-media img{width:100%;height:100%;object-fit:cover}
.scene h3{font-size:21px;color:var(--c-primary);margin:12px 0 12px}
.scene p{font-size:14.5px;line-height:1.8;color:var(--c-ink-2)}
.scene .keyline{
  margin-top:16px;font-size:13.5px;color:var(--c-primary);
  border-left:3px solid var(--c-accent);padding-left:12px;line-height:1.7;
}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  margin-top:12px;overflow:hidden;transition:border-color .2s,background .2s;
}
.faq-item[open]{border-color:var(--c-accent);background:rgba(239,235,226,.3)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;cursor:pointer;list-style:none;
  font-family:var(--font-serif);color:var(--c-primary);
}
.faq-q::-webkit-details-marker{display:none}
.faq-sign{position:relative;flex:0 0 16px;width:16px;height:16px}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--c-accent);border-radius:2px;transition:transform .2s;
}
.faq-sign::before{left:0;top:7px;width:16px;height:2px}
.faq-sign::after{left:7px;top:0;width:2px;height:16px}
.faq-item[open] .faq-sign::after{transform:rotate(90deg) scaleY(0)}
.faq-a{
  margin:0 22px 20px;padding:2px 0 0 16px;border-left:3px solid var(--c-accent);
  font-size:15px;line-height:1.9;color:var(--c-ink-2);
}

/* ---------- CTA 条带 ---------- */
.cta-band{
  position:relative;background:var(--c-dark);color:#fff;padding:48px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 40px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 40px);
  pointer-events:none;
}
.cta-inner{
  position:relative;display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;
}
.cta-inner h2{font-size:20px;color:#fff;margin-bottom:8px}
.cta-inner p{font-size:14.5px;color:rgba(255,255,255,.76);margin:0;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.fav-btn.is-on{background:var(--c-accent);border-color:var(--c-accent);color:#fff}

/* ---------- 四宫格入口 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.entry{
  display:flex;gap:18px;align-items:flex-start;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px;
  border-bottom:1px solid var(--c-line);
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.entry:hover{border-color:var(--c-accent);transform:translateY(-2px);box-shadow:var(--sh-hover);color:var(--c-ink)}
.entry-ico{
  flex:0 0 44px;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--c-line-strong);display:flex;align-items:center;justify-content:center;
  background:var(--c-surface-2);
}
.entry h3{font-size:18px;color:var(--c-primary);margin-bottom:8px}
.entry p{font-size:14px;line-height:1.75;color:var(--c-ink-2);margin-bottom:10px}
.entry .go{font-size:13px;color:var(--c-accent-600);letter-spacing:.04em}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:760px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:14px;color:var(--c-ink-2)}
.field input,.field textarea,.field select{
  height:46px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-input);
  background:var(--c-surface);transition:border-color .2s,box-shadow .2s;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(185,114,47,.16);
}
.field--full{grid-column:1 / -1}
.form-note{font-size:13px;color:var(--c-ink-3);margin-top:4px}
.form-actions{grid-column:1 / -1;display:flex;align-items:center;gap:16px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-dark);color:rgba(255,255,255,.78);
  border-top:1px solid rgba(185,114,47,.3);
  padding:64px 0 28px;font-size:14px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
}
.footer-brand .logo-text{color:#fff;font-size:20px;margin-bottom:14px}
.footer-brand .logo-text small{color:var(--c-accent-100)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:300px;margin:0}
.footer-col h4{
  font-family:var(--font-ui);font-size:15px;font-weight:600;color:var(--c-accent-100);
  margin-bottom:16px;letter-spacing:.04em;
}
.footer-col ul li{margin-bottom:10px;line-height:1.6}
.footer-col a{color:rgba(255,255,255,.78);border-bottom:none;display:inline-block;transition:color .2s,transform .2s}
.footer-col a:hover{color:#fff;transform:translateX(2px);border-bottom:none}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:960px}
}
@media (max-width:1023px){
  :root{--sp-section:64px}
  .container{max-width:100%;padding:0 20px}
  .nav{gap:12px}
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    margin:0;padding:88px 20px 24px;transform:translateX(102%);
    box-shadow:-8px 0 24px rgba(20,69,58,.12);overflow-y:auto;z-index:70;
    transition:transform .25s ease;
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-links li{counter-increment:navi}
  .nav-links a{
    height:52px;padding:0 8px;border-radius:0;font-size:16px;gap:12px;
    border-bottom:1px solid var(--c-line);
  }
  .nav-links a::before{
    content:counter(navi,decimal-leading-zero);font-family:var(--font-serif);
    font-size:12px;color:var(--c-accent);letter-spacing:.1em;flex:0 0 22px;
  }
  .nav-links a.active{background:var(--c-primary-100)}
  .nav-links a.active::after{display:none}
  .nav-cta{display:none}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .timeline::before{left:144px}
  .scene{grid-template-columns:1fr;gap:22px}
  .scene:nth-child(even) .scene-media{order:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .page-head{padding:56px 0 48px}
}
@media (max-width:767px){
  :root{--sp-section:48px}
  .container{padding:0 16px}
  .section{padding:var(--sp-section) 0}
  .sec-head{margin-bottom:28px}
  .page-head{padding:40px 0 36px}
  .page-head-actions .btn{width:100%}
  .head-facts{gap:8px 18px;font-size:12.5px}
  .timeline::before{left:5px}
  .tl-item{grid-template-columns:1fr;padding-left:28px;padding-bottom:26px;position:relative}
  .tl-item::before{
    content:"";position:absolute;left:0;top:10px;width:10px;height:10px;border-radius:50%;
    background:var(--c-accent);box-shadow:0 0 0 4px rgba(185,114,47,.16);
  }
  .tl-dot{display:none}
  .tl-date{text-align:left;padding:0 0 8px;display:flex;align-items:baseline;gap:10px}
  .tl-day{font-size:17px}
  .tl-place{margin-top:0}
  .tl-card{padding:20px}
  .tl-thumb{aspect-ratio:4/3}
  .stat-row{grid-template-columns:1fr;gap:14px}
  .point-grid{grid-template-columns:1fr;gap:16px}
  .entry-grid{grid-template-columns:1fr;gap:16px}
  .form-grid{grid-template-columns:1fr;gap:16px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-q{font-size:16px;padding:16px 18px}
  .faq-a{margin:0 18px 18px;padding-left:14px}
}
@media (max-width:479px){
  .page-head h1{font-size:28px}
  .lede{font-size:15.5px}
  .tl-card h3{font-size:18px}
  .entry{padding:20px;gap:14px}
  .scene{padding:20px}
}

/* roulang page: category4 */
:root{
  --c-primary:#14453A;
  --c-primary-600:#1C5C4C;
  --c-primary-100:#E4EDE9;
  --c-accent:#B9722F;
  --c-accent-600:#9C5E22;
  --c-accent-100:#F6E9DA;
  --c-ink:#1B2320;
  --c-ink-2:#5A625C;
  --c-ink-3:#8A908A;
  --c-bg:#F7F5F0;
  --c-surface:#FFFFFF;
  --c-surface-2:#EFEBE2;
  --c-line:#E2DED3;
  --c-line-strong:#CFC8B8;
  --c-dark:#10403A;
  --c-success:#2F7D5B;
  --c-error:#A8443A;
  --r-btn:4px;
  --r-card:8px;
  --r-input:6px;
  --r-badge:999px;
  --shadow-hover:0 6px 18px rgba(20,69,58,.10);
  --font-serif:"Source Han Serif SC","Noto Serif SC","Songti SC",serif;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --sp-section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-accent);}
button{font-family:inherit;}
input,button{font-size:inherit;}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;letter-spacing:.02em;color:var(--c-ink);margin:0;}
p{margin:0 0 1.4em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.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;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;line-height:1;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-accent);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-100);color:var(--c-primary);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 6px 18px rgba(185,114,47,.22);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn[disabled],.btn.is-disabled{background:var(--c-surface-2);color:var(--c-ink-3);border-color:var(--c-line);cursor:not-allowed;transform:none;box-shadow:none;}
.btn.is-loading{pointer-events:none;color:var(--c-ink-3);background:var(--c-surface-2);border-color:var(--c-line);}
.btn.is-loading::before{
  content:"";width:12px;height:12px;border-radius:50%;
  border:2px solid var(--c-line-strong);border-top-color:var(--c-accent);
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;color:var(--c-primary);border-bottom:1px dashed transparent;}
.link-arrow svg{transition:transform .18s ease;}
.link-arrow:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}
.link-arrow:hover svg{transform:translateX(3px);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.94);
  border-bottom:1px solid var(--c-line);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{background:#fff;box-shadow:0 2px 10px rgba(20,69,58,.06);}
.nav{display:flex;align-items:center;gap:20px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{flex:0 0 auto;}
.logo-text{
  display:flex;flex-direction:column;line-height:1.15;
  font-family:var(--font-serif);font-size:20px;color:var(--c-primary);letter-spacing:.02em;
}
.logo-text small{
  font-family:var(--font-sans);font-size:9.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--c-ink-3);margin-top:3px;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  display:block;padding:9px 14px;border-radius:6px;
  font-size:15px;color:var(--c-ink);letter-spacing:.02em;position:relative;
  transition:background .18s ease,color .18s ease;
}
.nav-links a:hover{background:var(--c-surface-2);color:var(--c-primary);}
.nav-links a.active{color:var(--c-primary);}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--c-accent);
}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  background:transparent;border:1px solid var(--c-line);border-radius:6px;
  cursor:pointer;padding:0;position:relative;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:1.6px;background:var(--c-primary);
  transition:transform .2s ease,opacity .2s ease,top .2s ease;
}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle.is-open span:nth-child(1){top:21px;transform:rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){top:21px;transform:rotate(-45deg);}

/* ---------- 页面头 ---------- */
.page-head{
  position:relative;
  border-bottom:1px solid var(--c-line);
  background:var(--c-surface-2) url('/assets/images/backpic/back-3.png') center/cover no-repeat;
}
.page-head::before{content:"";position:absolute;inset:0;background:rgba(247,245,240,.9);}
.page-head .container{position:relative;z-index:1;}
.page-head-inner{padding:52px 24px 44px;display:flex;align-items:flex-end;gap:40px;flex-wrap:wrap;}
.page-head-text{flex:1 1 520px;min-width:0;}
.breadcrumb{font-size:13px;color:var(--c-ink-3);margin:0 0 16px;}
.breadcrumb a{color:var(--c-ink-2);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb span.sep{margin:0 8px;color:var(--c-line-strong);}
.kicker{
  display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--c-accent-600);
  background:var(--c-accent-100);border-radius:var(--r-badge);padding:4px 12px;margin-bottom:14px;
}
.page-head h1{font-size:clamp(28px,3.6vw,42px);line-height:1.35;max-width:760px;}
.page-head .lede{margin:14px 0 0;font-size:16px;color:var(--c-ink-2);max-width:640px;}
.search-form{
  flex:0 0 320px;display:flex;align-items:center;gap:10px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-input);
  padding:0 14px;height:48px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-form:focus-within{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(185,114,47,.16);}
.search-form svg{flex:0 0 auto;}
.search-form input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;
  font-size:15px;color:var(--c-ink);
}
.search-form input::placeholder{color:var(--c-ink-3);}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sp-section) 0;}
.section-alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.sec-head{display:flex;align-items:center;gap:12px;margin-bottom:32px;flex-wrap:wrap;}
.sec-num{font-family:var(--font-serif);font-size:13px;letter-spacing:.1em;color:var(--c-accent);}
.sec-bar{width:3px;height:22px;background:var(--c-primary);flex:0 0 auto;}
.sec-title{font-size:clamp(24px,2.6vw,32px);line-height:1.4;}
.sec-desc{margin:10px 0 0 34px;font-size:14.5px;color:var(--c-ink-2);max-width:720px;}

/* ---------- 筛选标签 ---------- */
.filter-bar{
  display:flex;gap:10px;align-items:center;
  overflow-x:auto;padding:4px 0 14px;margin-bottom:24px;
  scrollbar-width:none;border-bottom:1px solid var(--c-line);
}
.filter-bar::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;padding:9px 18px;border-radius:var(--r-badge);
  border:1px solid var(--c-line-strong);background:var(--c-surface);color:var(--c-ink-2);
  font-size:14px;cursor:pointer;white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{border-color:var(--c-accent);color:var(--c-accent-600);}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* ---------- 卡片墙 ---------- */
.card-wall{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px 24px;align-items:start;
}
.card-wall .obs-card:nth-child(even){margin-top:40px;}
.obs-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.obs-card:hover{border-color:var(--c-accent);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.obs-media{display:block;position:relative;background:var(--c-surface-2);aspect-ratio:16/9;overflow:hidden;}
.obs-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.obs-card:hover .obs-media img{transform:scale(1.03);}
.obs-no{
  position:absolute;top:12px;left:12px;
  font-family:var(--font-serif);font-size:14px;letter-spacing:.06em;
  background:rgba(16,64,58,.82);color:#fff;padding:3px 10px;border-radius:var(--r-badge);
}
.obs-body{padding:22px 22px 20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.badge{
  display:inline-block;align-self:flex-start;
  font-size:12px;letter-spacing:.04em;padding:3px 10px;border-radius:var(--r-badge);
  background:var(--c-accent-100);color:var(--c-accent-600);
}
.obs-title{font-size:20px;line-height:1.5;}
.obs-title a{color:var(--c-ink);}
.obs-title a:hover{color:var(--c-accent);border-bottom:1px dashed var(--c-accent);}
.obs-excerpt{
  margin:0;font-size:14.5px;line-height:1.75;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.obs-meta{
  margin-top:auto;display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--c-ink-3);line-height:1.5;
}
.obs-meta .dot{color:var(--c-line-strong);}

/* ---------- 空态 ---------- */
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;padding:40px 24px;
  background:var(--c-surface);border:1px dashed var(--c-line-strong);border-radius:var(--r-card);
}
.empty-state svg{color:var(--c-line-strong);}
.empty-state strong{font-family:var(--font-serif);font-size:17px;font-weight:600;color:var(--c-ink);}
.empty-state p{margin:0;font-size:13.5px;color:var(--c-ink-3);}
.empty-state .btn{margin-top:8px;}

/* ---------- 阅读说明 ---------- */
.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.guide-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;display:flex;gap:16px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.guide-item:hover{border-color:var(--c-accent);box-shadow:var(--shadow-hover);}
.guide-icon{
  flex:0 0 40px;width:40px;height:40px;border-radius:50%;
  background:var(--c-primary-100);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
}
.guide-item h3{font-size:17px;margin-bottom:6px;}
.guide-item p{margin:0;font-size:14.5px;line-height:1.75;color:var(--c-ink-2);}

/* ---------- 横向轨道 ---------- */
.rail-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap;}
.rail-nav{display:flex;gap:10px;}
.rail-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--c-primary);background:transparent;color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background .18s ease,color .18s ease;
}
.rail-btn:hover{background:var(--c-primary);color:#fff;}
.rail-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:12px;scrollbar-width:thin;
}
.rail-card{
  flex:0 0 280px;scroll-snap-align:start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.rail-card:hover{border-color:var(--c-accent);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.rail-card .rail-media{aspect-ratio:16/9;background:var(--c-surface-2);overflow:hidden;}
.rail-card .rail-media img{width:100%;height:100%;object-fit:cover;}
.rail-card .rail-body{padding:16px 18px 18px;}
.rail-card h3{
  font-size:16px;line-height:1.6;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rail-card h3 a{color:var(--c-ink);}
.rail-card h3 a:hover{color:var(--c-accent);}
.rail-card .rail-meta{font-size:13px;color:var(--c-ink-3);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  margin-top:12px;overflow:hidden;transition:border-color .18s ease,background .18s ease;
}
.faq-item[open]{border-color:var(--c-accent);background:rgba(239,235,226,.3);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;font-family:var(--font-serif);color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-family:var(--font-sans);font-size:22px;line-height:1;
  color:var(--c-accent);transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 22px 20px;}
.faq-body p{
  margin:0;font-size:15px;line-height:1.9;color:var(--c-ink-2);
  border-left:3px solid var(--c-accent);padding-left:14px;
}

/* ---------- CTA 条带 ---------- */
.cta-band{
  background-color:var(--c-dark);
  background-image:
    repeating-linear-gradient(0deg,rgba(255,255,255,.045) 0 1px,transparent 1px 36px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.045) 0 1px,transparent 1px 36px);
  color:#fff;
}
.cta-inner{padding:52px 0;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:22px;line-height:1.5;}
.cta-inner p{margin:10px 0 0;font-size:14.5px;color:rgba(255,255,255,.78);max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
#favBtn.is-on{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}

/* ---------- 页脚 ---------- */
.site-footer{
  background-color:var(--c-dark);
  background-image:
    repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 34px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 1px,transparent 1px 34px);
  border-top:1px solid rgba(185,114,47,.3);
  color:rgba(255,255,255,.78);
  padding:56px 0 24px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text small{color:rgba(255,255,255,.5);}
.footer-brand p{margin:16px 0 0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:280px;}
.footer-col h4{font-size:15px;color:var(--c-accent-100);margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col li{font-size:14px;color:rgba(255,255,255,.78);line-height:1.7;transition:color .18s ease,transform .18s ease;}
.footer-col a{display:inline-block;}
.footer-col a:hover{color:#fff;transform:translateX(-2px);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:960px;}
}
@media (max-width:1023px){
  :root{--sp-section:64px;}
  .container{max-width:100%;padding:0 20px;}
  .nav-links{
    position:fixed;top:72px;right:0;width:min(320px,86vw);
    height:calc(100vh - 72px);background:#fff;
    flex-direction:column;align-items:stretch;gap:0;
    padding:12px 16px 32px;margin-left:0;
    border-left:1px solid var(--c-line);
    box-shadow:-8px 0 24px rgba(20,69,58,.08);
    transform:translateX(102%);transition:transform .24s ease;
    overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links li{counter-increment:navidx;}
  .nav-links a{
    height:52px;display:flex;align-items:center;padding:0 16px;border-radius:0;
    border-bottom:1px solid var(--c-line);font-size:15.5px;
  }
  .nav-links a.active::after{left:0;right:auto;width:3px;height:20px;bottom:auto;top:16px;}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .page-head-inner{padding:44px 20px 36px;gap:24px;}
  .search-form{flex:1 1 100%;max-width:420px;}
  .card-wall{grid-template-columns:1fr;gap:24px;}
  .card-wall .obs-card:nth-child(even){margin-top:0;}
  .guide-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{padding:44px 0;}
}
@media (max-width:767px){
  :root{--sp-section:48px;}
  .container{padding:0 16px;}
  .page-head-inner{padding:36px 16px 28px;}
  .page-head h1{font-size:clamp(24px,7vw,32px);}
  .sec-desc{margin-left:0;}
  .obs-body{padding:18px 18px 16px;}
  .obs-title{font-size:18px;}
  .faq-item summary{padding:16px 18px;font-size:16px;}
  .faq-body{padding:0 18px 18px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:40px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .rail-card{flex:0 0 240px;}
}
@media (max-width:479px){
  .rail-card{flex:0 0 82%;}
  .guide-item{padding:18px;}
  .btn{padding:11px 18px;font-size:14.5px;}
}