/* roulang page: index */
:root{
  --ink-deep:#171335;
  --brand:#3B2F72;
  --brand-soft:rgba(59,47,114,.06);
  --gold:#D9A44A;
  --gold-soft:rgba(217,164,74,.5);
  --muted:#7A7396;
  --teal:#4E8C8A;
  --bg:#F7F5F1;
  --bg-alt:#EDEAE3;
  --text:#1C1A24;
  --text-2:#5A5566;
  --line:#E2DED5;
  --line-dark:rgba(255,255,255,.12);
  --on-dark:#F4F2EC;
  --on-dark-2:rgba(244,242,236,.68);
  --danger:#C2543F;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:8px;
  --shadow:0 1px 2px rgba(23,19,53,.06), 0 12px 32px -18px rgba(23,19,53,.22);
  --container:1200px;
  --ease:160ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
input{font:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.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}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--ink-deep);color:var(--on-dark-2);font-size:13px;line-height:1}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:38px;padding-top:8px;padding-bottom:8px}
.topbar-text{color:var(--on-dark-2);letter-spacing:.01em}
.topbar-actions{display:flex;align-items:center;gap:14px}
.topbar-link{color:var(--on-dark);transition:color var(--ease)}
.topbar-link:hover{color:var(--gold)}
.topbar-sep{width:1px;height:12px;background:var(--line-dark)}

/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,245,241,.96);border-bottom:1px solid transparent;transition:border-color .2s ease,box-shadow .2s ease}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 8px 24px -20px rgba(23,19,53,.55)}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:none;color:var(--ink-deep);font-weight:700;font-size:17px;letter-spacing:-.01em}
.logo-mark{width:26px;height:26px;color:var(--gold);flex:none}
.main-nav{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav-link{position:relative;font-size:15px;color:var(--text);padding:6px 0;transition:color var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform 220ms ease-out}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.icon-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-btn);color:var(--text-2);border:1px solid transparent;transition:color var(--ease),background var(--ease),border-color var(--ease)}
.icon-btn:hover{color:var(--brand);background:var(--brand-soft);border-color:var(--line)}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-btn);align-items:center;justify-content:center}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink-deep);position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-deep)}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;letter-spacing:.01em;transition:transform var(--ease),background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--gold);color:var(--ink-deep);transform:translateY(-1px);box-shadow:0 10px 24px -14px rgba(217,164,74,.9)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-ghost{border:1.5px solid var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:var(--brand-soft)}
.btn-ghost-light{border:1.5px solid rgba(244,242,236,.55);color:var(--on-dark);background:transparent}
.btn-ghost-light:hover{background:rgba(244,242,236,.1);border-color:var(--gold)}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);position:relative;padding-bottom:2px}
.btn-link::after{content:"";position:absolute;left:0;bottom:0;height:1.5px;width:100%;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform 220ms ease-out}
.btn-link:hover::after{transform:scaleX(1)}

/* ============ 星点纹理 ============ */
.stars{background-image:radial-gradient(rgba(244,242,236,.18) 1px,transparent 1px),radial-gradient(rgba(244,242,236,.09) 1px,transparent 1px);background-size:118px 118px,58px 58px;background-position:0 0,30px 42px}

/* ============ Hero ============ */
.hero{background:var(--ink-deep);color:var(--on-dark);padding:84px 0 92px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--gold);border:1px solid rgba(217,164,74,.45);border-radius:999px;padding:6px 14px}
.hero h1{font-size:clamp(40px,5.2vw,60px);line-height:1.12;font-weight:700;letter-spacing:-.02em;margin-top:24px;color:var(--on-dark)}
.hero-sub{margin-top:22px;font-size:18px;line-height:1.8;color:var(--on-dark-2);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:34px;font-size:14px;color:var(--on-dark-2)}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points li::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--gold);flex:none}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-card);border:1px solid var(--line-dark)}
.float-card{position:absolute;left:-22px;bottom:28px;background:#fff;color:var(--text);border-radius:12px;padding:16px 18px;box-shadow:var(--shadow);display:flex;gap:16px;align-items:center}
.float-card .num{font-size:30px;font-weight:700;color:var(--brand);line-height:1}
.float-card small{display:block;font-size:13px;color:var(--text-2);margin-top:6px;line-height:1.5}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.section-head h2{font-size:clamp(26px,3vw,36px);line-height:1.24;font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:12px;color:var(--text-2);max-width:640px;font-size:16px}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;line-height:1;color:var(--brand);border:1px solid var(--line);border-radius:999px;padding:6px 12px;background:transparent;transition:border-color var(--ease),color var(--ease)}
.tag:hover{border-color:var(--gold-soft);color:var(--teal)}
.tag-gold{border-color:var(--gold-soft);color:var(--brand)}

/* ============ 快捷入口 ============ */
.quick-grid{display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:stretch}
.quick-list{display:grid;gap:18px}
.quick-card{display:flex;gap:20px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 28px;transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease)}
.quick-card:hover{transform:translateY(-4px);border-color:var(--gold-soft);box-shadow:var(--shadow)}
.quick-card .idx{font-size:22px;font-weight:700;color:var(--gold);line-height:1.2;flex:none;font-variant-numeric:tabular-nums}
.quick-card h3{font-size:19px;font-weight:600;margin-bottom:8px}
.quick-card p{color:var(--text-2);font-size:15px}
.hud{background:var(--ink-deep);color:var(--on-dark);border-radius:var(--radius-card);padding:34px 32px;display:flex;flex-direction:column;gap:22px}
.hud h3{font-size:20px;font-weight:600;color:var(--on-dark)}
.hud-row{display:flex;align-items:baseline;gap:14px;border-bottom:1px solid var(--line-dark);padding-bottom:16px}
.hud-row:last-of-type{border-bottom:0;padding-bottom:0}
.hud-row .num{font-size:34px;font-weight:700;color:var(--gold);line-height:1}
.hud-row span{font-size:14px;color:var(--on-dark-2)}
.hud p{font-size:14px;color:var(--on-dark-2)}

/* ============ 理念区 ============ */
.idea-grid{display:grid;grid-template-columns:5fr 7fr;gap:64px}
.idea-left{border-left:1px solid var(--line);padding-left:28px}
.idea-left .no{font-size:14px;letter-spacing:.14em;color:var(--gold);font-weight:600}
.idea-left h2{font-size:clamp(26px,3vw,36px);line-height:1.26;font-weight:700;margin-top:18px}
.idea-right p{color:var(--text-2);margin-bottom:20px}
.idea-right p:last-of-type{margin-bottom:0}
.idea-points{margin-top:34px;display:grid;gap:22px}
.idea-points li{display:flex;gap:20px;align-items:flex-start;padding-top:22px;border-top:1px solid var(--line)}
.idea-points .no{font-size:20px;font-weight:700;color:var(--gold);line-height:1.4;flex:none;font-variant-numeric:tabular-nums}
.idea-points h3{font-size:17px;font-weight:600;margin-bottom:6px}
.idea-points p{font-size:15px;color:var(--text-2);margin:0}

/* ============ 精选内容卡 ============ */
.picks-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:26px}
.pick{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;display:flex;flex-direction:column;transition:transform 220ms ease-out,border-color 220ms ease-out,box-shadow 220ms ease-out}
.pick:hover{transform:translateY(-4px);border-color:var(--gold-soft);box-shadow:var(--shadow)}
.pick--wide{grid-column:span 7}
.pick--half{grid-column:span 5}
.pick--third{grid-column:span 4}
.pick--full{grid-column:span 12;flex-direction:row}
.pick__media{background:var(--bg-alt);overflow:hidden;aspect-ratio:16/9;position:relative}
.pick--full .pick__media{width:38%;aspect-ratio:auto;flex:none;min-height:230px}
.pick__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 300ms ease-out}
.pick:hover .pick__media img{transform:scale(1.02)}
.pick__body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.pick__body h3{font-size:19px;font-weight:600;line-height:1.5}
.pick:hover .pick__body h3{color:var(--brand)}
.pick__body p{font-size:15px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pick__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);padding-top:6px}

/* ============ 最新信息 ============ */
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-item{display:flex;flex-direction:column;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 28px;transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease)}
.news-item:hover{transform:translateY(-4px);border-color:var(--gold-soft);box-shadow:var(--shadow)}
.news-item__meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.news-item__title{font-size:18px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item:hover .news-item__title{color:var(--brand)}
.news-item__desc{font-size:15px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item__more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);padding:56px 24px;color:var(--text-2)}
.empty-state .ph{width:64px;height:64px;border-radius:12px;background:var(--bg-alt);display:flex;align-items:center;justify-content:center;color:var(--gold)}
.empty-state p{font-size:15px}

/* ============ 信任背书 ============ */
.trust-bar{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:46px}
.trust-bar span{font-size:14px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:8px 16px;background:#fff;filter:grayscale(1);opacity:.85;transition:opacity var(--ease),color var(--ease),border-color var(--ease),filter var(--ease)}
.trust-bar span:hover{filter:none;opacity:1;color:var(--brand);border-color:var(--gold-soft)}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-bottom:40px}
.metric{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:30px 28px}
.metric .num{font-size:clamp(40px,4.4vw,54px);font-weight:700;color:var(--brand);line-height:1}
.metric h3{font-size:16px;font-weight:600;margin-top:14px}
.metric p{font-size:14px;color:var(--text-2);margin-top:6px}
.quote{background:var(--bg-alt);border-left:3px solid var(--gold);border-radius:0 var(--radius-card) var(--radius-card) 0;padding:24px 28px;color:var(--text);font-size:16px;line-height:1.85}
.quote small{display:block;margin-top:12px;font-size:13px;color:var(--text-2)}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 0;min-height:48px;text-align:left;font-size:17px;font-weight:600;line-height:1.6;color:var(--text);transition:color var(--ease)}
.faq-q:hover{color:var(--brand)}
.faq-icon{position:relative;width:16px;height:16px;flex:none}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--gold);border-radius:2px;transition:transform 180ms ease-out}
.faq-icon::before{left:0;top:7px;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)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows 220ms ease-out}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a>div{overflow:hidden}
.faq-a p{padding:0 0 24px;color:var(--text-2);font-size:15.5px;max-width:820px}

/* ============ CTA / 订阅 ============ */
.cta{background:var(--ink-deep);color:var(--on-dark);padding:88px 0}
.cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center}
.cta h2{font-size:clamp(26px,3vw,36px);line-height:1.28;font-weight:700;color:var(--on-dark)}
.cta p{margin-top:18px;color:var(--on-dark-2);font-size:16px;max-width:520px}
.sub-form{display:flex;gap:12px;flex-wrap:wrap}
.sub-form input{flex:1 1 260px;height:48px;padding:0 16px;border-radius:var(--radius-btn);border:1px solid var(--line-dark);background:rgba(244,242,236,.06);color:var(--on-dark);transition:border-color var(--ease),box-shadow var(--ease)}
.sub-form input::placeholder{color:rgba(244,242,236,.5)}
.sub-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(217,164,74,.28)}
.sub-form input.is-error{border-color:var(--danger)}
.form-msg{margin-top:14px;font-size:14px;min-height:22px;color:var(--on-dark-2)}
.form-msg.is-error{color:#F0A99A}
.form-msg.is-ok{color:var(--gold)}
.form-note{margin-top:8px;font-size:13px;color:var(--on-dark-2)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-deep);color:var(--on-dark-2);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 3fr 3fr;gap:40px}
.footer-brand .logo{color:var(--on-dark)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;max-width:320px}
.footer-col h3{font-size:15px;font-weight:600;color:var(--on-dark);margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14px;transition:color var(--ease)}
.footer-col a:hover{color:var(--gold)}
.footer-col p{font-size:14px;line-height:1.9}
.qr-box{width:104px;height:104px;border-radius:12px;background:rgba(244,242,236,.08);border:1px solid var(--line-dark);display:flex;align-items:center;justify-content:center;color:var(--gold);margin-bottom:14px}
.copyright{margin-top:56px;border-top:1px solid var(--line-dark);padding:22px 0;font-size:13px}
.copyright .container{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between}

/* ============ 抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(23,19,53,.45);opacity:0;visibility:hidden;transition:opacity 200ms ease,visibility 200ms ease;z-index:80}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);background:#fff;z-index:90;transform:translateX(102%);transition:transform 240ms ease-out;display:flex;flex-direction:column;padding:22px;overflow-y:auto}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--line)}
.drawer-head strong{font-size:16px;color:var(--ink-deep)}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);border-radius:var(--radius-btn);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--text-2)}
.drawer-nav{display:grid;gap:4px;padding:18px 0}
.drawer-nav a{padding:14px 4px;font-size:16px;border-bottom:1px solid var(--line);transition:color var(--ease),padding-left var(--ease)}
.drawer-nav a:hover{color:var(--brand);padding-left:10px}
.drawer-nav a.active{color:var(--brand);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:24px}

/* ============ 滚动入场 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 260ms ease-out,transform 260ms ease-out}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero-grid{gap:40px}
  .idea-grid{gap:48px}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .menu-toggle{display:flex}
  .nav-inner{gap:16px}
  .hero{padding:64px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-sub{max-width:none}
  .float-card{left:auto;right:16px;bottom:-18px}
  .section{padding:72px 0}
  .quick-grid{grid-template-columns:1fr}
  .idea-grid{grid-template-columns:1fr;gap:34px}
  .picks-grid{grid-template-columns:repeat(6,1fr)}
  .pick--wide,.pick--half,.pick--third{grid-column:span 3}
  .pick--full{grid-column:span 6}
  .news-list{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr;gap:18px}
  .cta-grid{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .topbar-text{display:none}
  .topbar-inner{justify-content:flex-end}
  .nav-inner{min-height:60px}
  .logo{font-size:16px}
  .nav-actions .btn{display:none}
  .hero{padding:52px 0 62px}
  .hero h1{font-size:clamp(30px,8vw,40px)}
  .hero-sub{font-size:16px}
  .hero-cta .btn{flex:1 1 100%}
  .float-card{position:static;margin-top:18px;right:auto;bottom:auto}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:30px}
  .picks-grid{grid-template-columns:1fr;gap:20px}
  .pick--wide,.pick--half,.pick--third,.pick--full{grid-column:span 1}
  .pick--full{flex-direction:column}
  .pick--full .pick__media{width:100%;min-height:0;aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1fr}
  .sub-form input{flex:1 1 100%}
  .sub-form .btn{flex:1 1 100%}
}
@media (max-width:480px){
  body{font-size:15.5px}
  .hero h1{font-size:30px}
  .quick-card{padding:22px 20px;gap:14px}
  .news-item{padding:22px 20px}
  .metric{padding:24px 20px}
  .btn{height:46px;padding:0 20px}
  .cta{padding:64px 0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --ink-deep:#171335;
  --brand:#3B2F72;
  --gold:#D9A44A;
  --muted:#7A7396;
  --cyan:#4E8C8A;
  --bg:#F7F5F1;
  --bg-alt:#EDEAE3;
  --text:#1C1A24;
  --text-2:#5A5566;
  --line:#E2DED5;
  --on-dark:#F4F2EC;
  --on-dark-2:rgba(244,242,236,.68);
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:8px;
  --shadow-card:0 1px 2px rgba(23,19,53,.06),0 12px 32px -18px rgba(23,19,53,.22);
  --shadow-soft:0 1px 2px rgba(23,19,53,.05);
  --ease:160ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* 顶部信息条 */
.topbar{background:var(--ink-deep);font-size:13px}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:38px;gap:16px}
.topbar-left{color:var(--on-dark-2);letter-spacing:.02em}
.topbar-right{display:flex;align-items:center;gap:14px}
.topbar-right a{color:var(--on-dark)}
.topbar-right a:hover{color:var(--gold)}
.topbar-sep{width:1px;height:12px;background:rgba(255,255,255,.18)}

/* 主导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--bg);
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-stuck{
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(23,19,53,.06),0 12px 32px -18px rgba(23,19,53,.22);
}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--ink-deep)}
.logo-mark{width:22px;height:22px;color:var(--gold);flex:none}
.main-nav{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav-link{position:relative;font-size:15px;color:var(--text);padding:6px 0;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--gold);transition:width 220ms ease-out;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:14px}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:var(--radius-btn);
  color:var(--brand);cursor:pointer;transition:all var(--ease);
}
.icon-btn:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-1px)}
.nav-toggle{display:none;width:42px;height:42px;align-items:center;justify-content:center;background:transparent;border:1px solid var(--line);border-radius:var(--radius-btn);cursor:pointer;color:var(--ink-deep)}
.nav-toggle:hover{border-color:var(--gold)}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 按钮体系 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:all var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--gold);color:var(--ink-deep);transform:translateY(-1px);box-shadow:0 10px 24px -14px rgba(217,164,74,.9)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(59,47,114,.06)}
.btn-light{background:var(--on-dark);color:var(--ink-deep)}
.btn-light:hover{background:var(--gold);color:var(--ink-deep);transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);position:relative}
.link-arrow::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--gold);transition:width 220ms ease-out}
.link-arrow:hover::after{width:100%}

/* 徽章与标签 */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  font-size:13px;border-radius:999px;border:1px solid var(--line);
  background:var(--bg-alt);color:var(--text-2);
}
.badge-gold{border-color:rgba(217,164,74,.5);background:rgba(217,164,74,.1);color:#8A6520}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  font-size:13px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--text-2);transition:all var(--ease);
}
.tag:hover{border-color:var(--cyan);color:var(--cyan)}

/* 文章头部 */
.article-hero{
  position:relative;background:var(--ink-deep);color:var(--on-dark);
  padding:44px 0 62px;overflow:hidden;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;opacity:.2;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.55) 1px,transparent 1px);
  background-size:46px 46px;opacity:.13;
}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--on-dark-2);margin-bottom:26px}
.breadcrumb a{color:var(--on-dark-2)}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb .sep{opacity:.5}
.article-hero .badge{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:var(--on-dark)}
.article-title{
  font-size:clamp(30px,4.2vw,52px);line-height:1.18;font-weight:700;
  letter-spacing:-.02em;color:var(--on-dark);margin:18px 0 24px;max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:var(--on-dark-2)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--gold);display:inline-block}

/* 正文 */
.article-main{padding:64px 0 88px}
.article-body{max-width:780px;margin:0 auto;font-size:17px;line-height:1.85;color:var(--text)}
.article-body>*+*{margin-top:1.2em}
.article-body h2{
  font-size:clamp(24px,2.6vw,30px);line-height:1.3;font-weight:700;
  letter-spacing:-.01em;margin:2em 0 .6em;padding-left:16px;position:relative;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;background:var(--gold)}
.article-body h3{font-size:22px;font-weight:600;margin:1.6em 0 .5em;color:var(--ink-deep)}
.article-body p{margin:0 0 1.3em;color:var(--text)}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.3em}
.article-body li{margin:.4em 0}
.article-body img{margin:24px auto;border-radius:var(--radius-img)}
.article-body a{color:var(--brand);text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:3px}
.article-body a:hover{color:var(--gold)}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;background:var(--bg-alt);
  border-left:3px solid var(--gold);border-radius:0 var(--radius-img) var(--radius-img) 0;color:var(--text-2);
}
.article-body strong{color:var(--ink-deep)}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 24px;background:var(--bg-alt);
  border:1px solid var(--line);border-radius:var(--radius-card);
}
.empty-state .star{width:36px;height:36px;color:var(--gold);margin:0 auto 18px}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--text-2);margin-bottom:22px}

/* 文末区块 */
.article-foot{max-width:780px;margin:0 auto}
.block-title{font-size:clamp(22px,2.2vw,28px);font-weight:700;letter-spacing:-.01em;margin-bottom:20px}
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.divider{height:1px;background:var(--line);border:0;margin:44px 0}

/* 继续浏览 */
.post-nav{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.post-nav a{
  display:block;padding:22px 24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);transition:all var(--ease);
}
.post-nav a:hover{transform:translateY(-4px);border-color:rgba(217,164,74,.55);box-shadow:var(--shadow-card)}
.post-nav .label{font-size:13px;color:var(--muted);display:block;margin-bottom:8px}
.post-nav .title{font-size:17px;font-weight:600;color:var(--ink-deep)}

/* 卡片 */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;transition:all var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(217,164,74,.55);box-shadow:var(--shadow-card)}
.card-thumb{position:relative;aspect-ratio:16/9;background:var(--bg-alt);overflow:hidden}
.card-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 240ms ease-out}
.card:hover .card-thumb img{transform:scale(1.02)}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:18px;font-weight:600;line-height:1.45;color:var(--ink-deep);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card:hover .card-title{color:var(--brand)}
.card-desc{font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);margin-top:auto;padding-top:6px}

/* 订阅 CTA */
.cta-band{background:var(--ink-deep);color:var(--on-dark);position:relative;overflow:hidden;padding:72px 0}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:52px 52px;opacity:.12;
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.cta-band h2{font-size:clamp(24px,2.8vw,34px);font-weight:700;line-height:1.3;color:var(--on-dark);margin-bottom:12px}
.cta-band p{color:var(--on-dark-2);font-size:15px}
.subscribe-form{display:flex;gap:12px}
.subscribe-form input{
  flex:1;height:48px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.06);
  color:var(--on-dark);transition:all var(--ease);
}
.subscribe-form input::placeholder{color:rgba(244,242,236,.5)}
.subscribe-form input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 2px rgba(217,164,74,.28)}
.form-note{font-size:13px;color:var(--on-dark-2);margin-top:14px}
.form-msg{margin-top:12px;font-size:13px;color:var(--gold);min-height:18px}

/* 页脚 */
.site-footer{background:var(--ink-deep);color:var(--on-dark-2);position:relative;overflow:hidden;padding-top:64px}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:54px 54px;opacity:.1;
}
.footer-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{color:var(--on-dark);font-size:18px;font-weight:700;display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-mark{color:var(--gold)}
.footer-brand p{font-size:14px;line-height:1.8;max-width:320px}
.footer-col h3{font-size:15px;font-weight:600;color:var(--on-dark);margin-bottom:16px}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col ul a{font-size:14px;color:var(--on-dark-2)}
.footer-col ul a:hover{color:var(--gold)}
.qr-box{
  width:72px;height:72px;border-radius:12px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;
  color:var(--gold);margin-bottom:14px;
}
.footer-col p{font-size:13px;line-height:1.8}
.copyright{
  position:relative;z-index:1;margin-top:56px;padding:20px 0;
  border-top:1px solid rgba(255,255,255,.12);font-size:13px;
}
.copyright .container{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 420ms ease-out,transform 420ms ease-out}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* 响应式 */
@media (max-width:1199px){
  .main-nav{gap:22px}
}
@media (max-width:1023px){
  .topbar-left{display:none}
  .topbar .container{justify-content:flex-end}
  .header-inner{height:60px;gap:16px}
  .logo{font-size:16px}
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:fixed;top:0;right:0;z-index:90;
    width:min(320px,86vw);height:100%;
    background:var(--bg);
    flex-direction:column;align-items:flex-start;gap:0;
    padding:96px 28px 32px;margin-left:0;
    transform:translateX(100%);transition:transform 240ms ease-out;
    box-shadow:-1px 0 2px rgba(23,19,53,.06),-18px 0 40px -26px rgba(23,19,53,.4);
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0)}
  .main-nav .nav-link{width:100%;padding:16px 0;border-bottom:1px solid var(--line);font-size:16px}
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link.active{color:var(--brand)}
  body.nav-open{overflow:hidden}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .article-hero{padding:32px 0 46px}
  .article-main{padding:44px 0 64px}
  .article-body{font-size:16.5px}
  .card-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .block-head{flex-direction:column;align-items:flex-start;gap:10px}
  .cta-band{padding:56px 0}
  .site-footer{padding-top:48px}
}
@media (max-width:520px){
  .header-actions .icon-btn{display:none}
  .article-title{font-size:clamp(26px,7.6vw,34px)}
  .subscribe-form{flex-direction:column}
  .subscribe-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .copyright .container{flex-direction:column;gap:6px}
}

/* roulang page: category1 */
:root{
  --ink-deep:#171335;
  --brand:#3B2F72;
  --gold:#D9A44A;
  --muted:#7A7396;
  --teal:#4E8C8A;
  --bg:#F7F5F1;
  --bg-alt:#EDEAE3;
  --text:#1C1A24;
  --text-2:#5A5566;
  --line:#E2DED5;
  --on-dark:#F4F2EC;
  --on-dark-2:rgba(244,242,236,.68);
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:8px;
  --shadow-soft:0 1px 2px rgba(23,19,53,.06),0 12px 32px -18px rgba(23,19,53,.22);
  --shadow-up:0 1px 2px rgba(23,19,53,.08),0 20px 40px -22px rgba(23,19,53,.34);
  --container:1200px;
  --section-pad:104px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:rgba(217,164,74,.32)}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink-deep);color:var(--on-dark-2);font-size:13px;line-height:1}
.topbar .container{display:flex;align-items:center;justify-content:space-between;min-height:38px;gap:16px;padding-top:8px;padding-bottom:8px}
.topbar-note{display:inline-flex;align-items:center;gap:8px}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--gold);flex:none}
.topbar-links{display:inline-flex;align-items:center;gap:14px}
.topbar-links a{color:rgba(244,242,236,.78);transition:color .16s var(--ease)}
.topbar-links a:hover{color:var(--gold)}
.topbar-sep{width:1px;height:12px;background:rgba(255,255,255,.18)}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--bg);border-bottom:1px solid transparent;transition:box-shadow .2s var(--ease),border-color .2s var(--ease)}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 10px 28px -22px rgba(23,19,53,.55)}
.nav-wrap{display:flex;align-items:center;gap:28px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--ink-deep);white-space:nowrap}
.logo-mark{width:20px;height:20px;color:var(--gold);flex:none}
.main-nav{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav-link{position:relative;padding:6px 0;font-size:15px;color:var(--text);transition:color .18s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--gold);transition:width .22s var(--ease)}
.nav-link:hover,.nav-link:focus-visible{color:var(--brand)}
.nav-link:hover::after,.nav-link:focus-visible::after{width:100%}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:14px}
.icon-btn{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;color:var(--text-2);cursor:pointer;transition:color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease)}
.icon-btn:hover{color:var(--brand);border-color:rgba(59,47,114,.4);transform:translateY(-1px)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;cursor:pointer;align-items:center;justify-content:center;color:var(--ink-deep)}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;transition:transform .2s var(--ease)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:transform .16s var(--ease),background-color .16s var(--ease),color .16s var(--ease),box-shadow .16s var(--ease),border-color .16s var(--ease)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-soft)}
.btn-primary:hover{background:var(--gold);color:var(--ink-deep);transform:translateY(-1px);box-shadow:var(--shadow-up)}
.btn-secondary{background:transparent;color:var(--brand);border-color:var(--brand);border-width:1.5px}
.btn-secondary:hover{background:rgba(59,47,114,.06);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--on-dark);border-color:rgba(255,255,255,.32)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

.link-more{position:relative;display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand)}
.link-more::after{content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;background:var(--gold);transition:width .22s var(--ease)}
.link-more:hover::after,.link-more:focus-visible::after{width:100%}

/* ---------- 分类页头 ---------- */
.page-hero{position:relative;background:var(--ink-deep);color:var(--on-dark);overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);background-size:24px 24px;opacity:.5;pointer-events:none}
.page-hero::after{content:"";position:absolute;right:-80px;top:-120px;width:320px;height:320px;border-radius:50%;border:1px solid rgba(217,164,74,.2);pointer-events:none}
.page-hero .container{position:relative;display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:56px;align-items:center;padding-top:76px;padding-bottom:76px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--on-dark-2);margin-bottom:20px}
.crumb a{color:var(--on-dark-2);transition:color .16s var(--ease)}
.crumb a:hover{color:var(--gold)}
.crumb-sep{opacity:.5}
.page-hero h1{font-size:clamp(32px,4.4vw,52px);line-height:1.16;font-weight:700;letter-spacing:-.02em;margin-bottom:20px}
.page-hero h1 em{font-style:normal;color:var(--gold)}
.page-hero p.lead{font-size:17px;line-height:1.85;color:var(--on-dark-2);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-media{position:relative}
.hero-media .media-frame{aspect-ratio:4/3;border-radius:var(--radius-card);overflow:hidden;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12)}
.hero-media .media-frame img{width:100%;height:100%;object-fit:cover}
.hero-tag{position:absolute;left:18px;bottom:-18px;background:#fff;color:var(--ink-deep);border-radius:12px;padding:12px 16px;box-shadow:var(--shadow-up);display:flex;align-items:center;gap:12px}
.hero-tag strong{font-size:20px;font-variant-numeric:tabular-nums}
.hero-tag span{font-size:12px;color:var(--text-2);line-height:1.4;max-width:120px}

/* ---------- 通用板块 ---------- */
.section{padding:var(--section-pad) 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.28;font-weight:700;letter-spacing:-.01em;margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:16px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand);margin-bottom:14px;text-transform:uppercase}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--gold)}

/* ---------- 左右交替图文块 ---------- */
.feature-row{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:center;padding:52px 0;border-top:1px solid var(--line)}
.feature-row:first-of-type{border-top:0;padding-top:0}
.feature-row.reverse .feature-media{order:2}
.feature-media .media-frame{aspect-ratio:16/11;border-radius:var(--radius-card);overflow:hidden;background:var(--bg-alt);border:1px solid var(--line)}
.feature-media .media-frame img{width:100%;height:100%;object-fit:cover}
.feature-body h2{font-size:clamp(22px,2.4vw,30px);line-height:1.34;font-weight:700;margin-bottom:16px}
.feature-body p{color:var(--text-2);margin-bottom:16px}
.point-list{margin:22px 0 24px;display:grid;gap:12px}
.point-list li{position:relative;padding-left:22px;color:var(--text);font-size:15.5px}
.point-list li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:2px;background:var(--gold)}

/* ---------- 深色 HUD 信息带 ---------- */
.hud-band{position:relative;background:var(--ink-deep);color:var(--on-dark);overflow:hidden}
.hud-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);background-size:22px 22px;opacity:.45}
.hud-band .container{position:relative;padding-top:84px;padding-bottom:84px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:56px;align-items:start}
.hud-band h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;margin-bottom:16px}
.hud-band p{color:var(--on-dark-2);font-size:15.5px;max-width:460px}
.hud-list{border-top:1px solid rgba(255,255,255,.14)}
.hud-list li{display:grid;grid-template-columns:64px minmax(0,1fr);gap:20px;padding:24px 0;border-bottom:1px solid rgba(255,255,255,.14)}
.hud-index{font-size:22px;font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums;line-height:1.4}
.hud-list h3{font-size:18px;font-weight:600;margin-bottom:6px}
.hud-list p{color:var(--on-dark-2);font-size:15px;margin:0}
.hud-metrics{display:flex;flex-wrap:wrap;gap:36px;margin-top:26px}
.hud-metric strong{display:block;font-size:clamp(34px,4vw,48px);line-height:1.1;color:var(--on-dark);font-variant-numeric:tabular-nums;font-weight:700}
.hud-metric span{font-size:13px;color:var(--on-dark-2)}

/* ---------- 相关入口卡 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.entry-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-up);border-color:rgba(217,164,74,.5)}
.entry-cover{aspect-ratio:16/10;background:var(--bg-alt);overflow:hidden}
.entry-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.entry-card:hover .entry-cover img{transform:scale(1.02)}
.entry-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.badge{display:inline-flex;align-items:center;align-self:flex-start;padding:4px 12px;border-radius:999px;border:1px solid rgba(217,164,74,.55);background:transparent;color:var(--brand);font-size:13px;line-height:1.5;transition:border-color .16s var(--ease),color .16s var(--ease),background-color .16s var(--ease)}
.badge:hover{border-color:var(--teal);color:var(--teal);background:rgba(78,140,138,.06)}
.entry-card h3{font-size:19px;line-height:1.45;font-weight:600}
.entry-card p{color:var(--text-2);font-size:15px}
.entry-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}

/* ---------- CTA 带 ---------- */
.cta-band{position:relative;background:var(--ink-deep);color:var(--on-dark);overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.13) 1px,transparent 1px);background-size:26px 26px;opacity:.4}
.cta-band .container{position:relative;padding-top:80px;padding-bottom:80px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.cta-band h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;margin-bottom:14px}
.cta-band p{color:var(--on-dark-2);font-size:15.5px;max-width:460px}
.form-row{display:flex;gap:12px}
.form-row input[type="email"]{flex:1;height:48px;padding:0 16px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.06);color:var(--on-dark);transition:border-color .16s var(--ease),box-shadow .16s var(--ease)}
.form-row input[type="email"]::placeholder{color:rgba(244,242,236,.5)}
.form-row input[type="email"]:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(78,140,138,.28)}
.form-row input.is-error{border-color:#E08B77}
.form-note{font-size:13px;color:var(--on-dark-2);margin-top:12px}
.form-error{font-size:13px;color:#F0A692;margin-top:10px;min-height:18px}
.form-success{font-size:13px;color:var(--gold);margin-top:10px;min-height:18px}

/* ---------- 引用 ---------- */
.quote-block{background:var(--bg-alt);border-left:3px solid var(--gold);padding:22px 24px;font-size:15.5px;color:var(--text-2)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:var(--on-dark-2);font-size:14.5px}
.site-footer .container{padding-top:72px;padding-bottom:56px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:40px}
.footer-brand .logo{color:var(--on-dark);margin-bottom:16px}
.footer-brand .logo-mark{color:var(--gold)}
.footer-brand p{max-width:360px;font-size:14.5px;line-height:1.85}
.footer-col h3{font-size:15px;font-weight:600;color:var(--on-dark);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:var(--on-dark-2);transition:color .16s var(--ease)}
.footer-col a:hover{color:var(--gold)}
.qr-box{width:82px;height:82px;border-radius:12px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.05);display:flex;align-items:center;justify-content:center;color:var(--gold);margin-bottom:14px}
.footer-col p{font-size:14px;line-height:1.8}
.copyright{border-top:1px solid rgba(255,255,255,.12)}
.copyright .container{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding-top:20px;padding-bottom:20px;font-size:13px}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--section-pad:80px}
  .page-hero .container{grid-template-columns:1fr;gap:40px;padding-top:60px;padding-bottom:64px}
  .hero-media{max-width:560px}
  .feature-row{grid-template-columns:1fr;gap:32px}
  .feature-row.reverse .feature-media{order:0}
  .hud-band .container{grid-template-columns:1fr;gap:36px}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band .container{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:absolute;left:16px;right:16px;top:calc(100% + 8px);
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-up);padding:10px;margin-left:0;
    display:none;
  }
  .main-nav.is-open{display:flex}
  .main-nav .nav-link{padding:12px 10px;border-radius:8px;font-size:15.5px}
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link.active{background:rgba(59,47,114,.06)}
  .nav-wrap{position:relative;gap:16px}
  .nav-actions{margin-left:auto}
  .nav-actions .btn{display:none}
}
@media (max-width:768px){
  :root{--section-pad:60px}
  .topbar .container{padding-top:6px;padding-bottom:6px}
  .topbar-note{display:none}
  .topbar-links{gap:10px}
  .container{padding:0 20px}
  .hero-tag{left:12px;bottom:-14px;padding:10px 12px}
  .entry-grid{grid-template-columns:1fr}
  .form-row{flex-direction:column}
  .form-row .btn{width:100%}
  .hud-metrics{gap:24px}
  .copyright .container{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .page-hero h1{font-size:clamp(28px,8vw,34px)}
  .section-head h2,.cta-band h2,.hud-band h2{font-size:23px}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .hud-list li{grid-template-columns:48px minmax(0,1fr);gap:14px}
}

/* roulang page: category2 */
:root{
  --ink-deep:#171335;
  --brand:#3B2F72;
  --brand-soft:rgba(59,47,114,.06);
  --gold:#D9A44A;
  --gold-soft:rgba(217,164,74,.18);
  --muted:#7A7396;
  --teal:#4E8C8A;
  --bg:#F7F5F1;
  --bg-alt:#EDEAE3;
  --text:#1C1A24;
  --text-2:#5A5566;
  --line:#E2DED5;
  --on-dark:#F4F2EC;
  --on-dark-2:rgba(244,242,236,.68);
  --dark-line:rgba(255,255,255,.12);
  --danger:#C2543F;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:8px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(23,19,53,.06),0 12px 32px -18px rgba(23,19,53,.22);
  --shadow-lift:0 2px 4px rgba(23,19,53,.08),0 18px 40px -20px rgba(23,19,53,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;background:var(--bg-alt);border-radius:var(--radius-img)}
a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease)}
a:hover{color:var(--gold)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px}
.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}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.starfield{
  background-image:
    radial-gradient(circle at 8% 18%,rgba(244,242,236,.18) 0 1.2px,transparent 1.6px),
    radial-gradient(circle at 26% 62%,rgba(244,242,236,.12) 0 1px,transparent 1.4px),
    radial-gradient(circle at 44% 24%,rgba(244,242,236,.16) 0 1.1px,transparent 1.5px),
    radial-gradient(circle at 62% 74%,rgba(244,242,236,.10) 0 1px,transparent 1.3px),
    radial-gradient(circle at 78% 32%,rgba(244,242,236,.17) 0 1.2px,transparent 1.6px),
    radial-gradient(circle at 92% 58%,rgba(244,242,236,.12) 0 1px,transparent 1.4px);
  background-size:340px 260px;
}

/* 顶部信息条 */
.topbar{background:var(--ink-deep);color:var(--on-dark-2);font-size:13px;line-height:1}
.topbar-inner{height:38px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.topbar-actions a{color:var(--on-dark-2);font-size:13px}
.topbar-actions a:hover{color:var(--gold)}
.topbar-sep{width:1px;height:12px;background:var(--dark-line)}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,245,241,.94);backdrop-filter:saturate(140%) blur(8px);transition:box-shadow .22s var(--ease),border-color .22s var(--ease);border-bottom:1px solid transparent}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 10px 26px -22px rgba(23,19,53,.45)}
.nav-inner{height:var(--nav-h);display:flex;align-items:center;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.logo:hover{color:var(--text)}
.logo-mark{width:22px;height:22px;color:var(--gold);flex:0 0 auto}
.main-nav{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav-link{position:relative;font-size:15.5px;color:var(--text);padding:6px 0;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--gold);transition:width .22s var(--ease)}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{width:100%}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{width:40px;height:40px;border-radius:var(--radius-btn);display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);border:1px solid transparent;transition:all .18s var(--ease)}
.icon-btn:hover{color:var(--brand);border-color:var(--line);background:#fff}
.menu-toggle{display:none;width:42px;height:42px;border-radius:var(--radius-btn);border:1px solid var(--line);align-items:center;justify-content:center}
.menu-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--text);border-radius:2px}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s var(--ease)}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.menu-toggle[aria-expanded="true"] span{background:transparent}
.menu-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
.drawer{display:none;border-top:1px solid var(--line);background:var(--bg)}
.drawer-inner{padding:14px 24px 24px;display:flex;flex-direction:column;gap:4px}
.drawer .nav-link{padding:13px 0;border-bottom:1px solid var(--line);font-size:16px}
.drawer .nav-link::after{display:none}
.drawer .btn{margin-top:16px;width:100%;justify-content:center}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--radius-btn);font-size:15.5px;font-weight:600;letter-spacing:.01em;border:1.5px solid transparent;transition:all .18s var(--ease);white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--gold);color:var(--ink-deep);transform:translateY(-1px);box-shadow:var(--shadow-lift)}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-1px)}
.btn-light{background:var(--on-dark);color:var(--ink-deep)}
.btn-light:hover{background:var(--gold);color:var(--ink-deep);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand);position:relative;padding-bottom:3px}
.link-more::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;background:var(--gold);transition:width .22s var(--ease)}
.link-more:hover{color:var(--brand)}
.link-more:hover::after{width:100%}

/* 分类页头 */
.page-head{padding:44px 0 56px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2);margin-bottom:22px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--muted);opacity:.7}
.breadcrumb [aria-current]{color:var(--text)}
.page-head h1{font-size:clamp(34px,4.6vw,56px);line-height:1.14;letter-spacing:-.02em;font-weight:700;max-width:15em}
.page-lead{margin-top:20px;font-size:17.5px;color:var(--text-2);max-width:46em}
.head-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px}
.head-meta{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--radius-pill);border:1px solid var(--line);background:#fff;font-size:13px;color:var(--text-2)}
.chip-gold{border-color:var(--gold-soft);color:#8A6320;background:#FDF8EE}

/* 暗色带 */
.dark-band{position:relative;background-color:var(--ink-deep);background-image:linear-gradient(rgba(23,19,53,.72),rgba(23,19,53,.82)),url("/assets/images/backpic/back-1.webp");background-size:cover;background-position:center;color:var(--on-dark);overflow:hidden}
.dark-band::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 10% 20%,rgba(244,242,236,.18) 0 1.2px,transparent 1.6px),radial-gradient(circle at 30% 66%,rgba(244,242,236,.12) 0 1px,transparent 1.4px),radial-gradient(circle at 52% 30%,rgba(244,242,236,.15) 0 1.1px,transparent 1.5px),radial-gradient(circle at 74% 72%,rgba(244,242,236,.11) 0 1px,transparent 1.3px),radial-gradient(circle at 90% 40%,rgba(244,242,236,.16) 0 1.2px,transparent 1.6px);background-size:380px 280px;pointer-events:none}
.dark-band-inner{position:relative;z-index:1;min-height:248px;display:flex;flex-direction:column;justify-content:center;gap:16px;padding:36px 24px}
.band-kicker{font-size:13px;letter-spacing:.16em;color:var(--gold);text-transform:uppercase}
.band-text{font-size:clamp(20px,2.3vw,28px);line-height:1.5;font-weight:600;max-width:24em}
.band-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.band-tags li{font-size:13px;color:var(--on-dark-2);border:1px solid var(--dark-line);border-radius:var(--radius-pill);padding:5px 14px}

/* 编号章节 */
.chapters{margin-top:8px}
.chapter{border-top:1px solid var(--line);padding:58px 0}
.chapter:last-child{border-bottom:1px solid var(--line)}
.chapter-inner{display:grid;grid-template-columns:120px minmax(0,1fr);gap:32px;align-items:start}
.chapter-num{font-size:clamp(38px,4.4vw,58px);line-height:1;font-weight:700;color:var(--gold);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.chapter-body h2{font-size:clamp(23px,2.4vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em;margin-bottom:18px}
.chapter-body p{color:var(--text-2);max-width:52em}
.chapter-body p + p{margin-top:16px}
.chapter-points{margin-top:22px;display:flex;flex-direction:column;gap:14px;border-left:2px solid var(--line);padding-left:20px}
.chapter-points li{position:relative;font-size:15.5px;color:var(--text)}
.chapter-points li strong{color:var(--brand)}
.chapter-points li span{display:block;color:var(--text-2);font-size:14.5px;margin-top:2px}

/* 时间线 */
.timeline-section{padding:64px 0 12px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28;font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:12px;color:var(--text-2);max-width:42em}
.timeline{border-left:2px solid var(--line);margin-left:5px;padding-left:28px;max-width:820px}
.tl-item{position:relative;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:-34px;top:8px;width:10px;height:10px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px var(--bg)}
.tl-step{font-size:12.5px;letter-spacing:.14em;color:var(--muted)}
.tl-item h3{font-size:19px;font-weight:600;margin:6px 0 8px}
.tl-item p{color:var(--text-2);font-size:15.5px;max-width:44em}
.tl-item .link-more{margin-top:12px}

/* FAQ */
.faq-section{padding:72px 0;background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:56px}
.faq-list{max-width:880px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;padding:20px 24px;min-height:48px;font-size:17px;font-weight:600;color:var(--text);transition:background .18s var(--ease)}
.faq-q:hover{background:var(--bg)}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand);transform:translate(-50%,-50%);transition:transform .18s var(--ease),background .18s var(--ease)}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-item.open .faq-icon::before{background:var(--gold)}
.faq-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .24s var(--ease)}
.faq-item.open .faq-panel{grid-template-rows:1fr}
.faq-panel > div{overflow:hidden}
.faq-panel-inner{padding:0 24px 22px;color:var(--text-2);font-size:15.5px;max-width:64em}

/* CTA */
.cta-band{margin-top:72px;background-color:var(--ink-deep);color:var(--on-dark);position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 12% 26%,rgba(244,242,236,.16) 0 1.2px,transparent 1.6px),radial-gradient(circle at 36% 70%,rgba(244,242,236,.11) 0 1px,transparent 1.3px),radial-gradient(circle at 60% 24%,rgba(244,242,236,.14) 0 1.1px,transparent 1.5px),radial-gradient(circle at 84% 62%,rgba(244,242,236,.12) 0 1px,transparent 1.4px);background-size:360px 260px;pointer-events:none}
.cta-inner{position:relative;z-index:1;padding:60px 24px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:40px;align-items:center}
.cta-inner h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700}
.cta-inner p{margin-top:14px;color:var(--on-dark-2);max-width:34em}
.subscribe-form{display:flex;flex-direction:column;gap:12px}
.field-row{display:flex;gap:12px}
.subscribe-form input{flex:1 1 auto;height:48px;padding:0 16px;border-radius:var(--radius-btn);border:1px solid var(--dark-line);background:rgba(255,255,255,.06);color:var(--on-dark);transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.subscribe-form input::placeholder{color:rgba(244,242,236,.5)}
.subscribe-form input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(217,164,74,.22)}
.subscribe-form input.error{border-color:var(--danger)}
.subscribe-form .btn{height:48px}
.form-msg{font-size:13.5px;color:var(--on-dark-2);min-height:20px}
.form-msg.error{color:#F0A899}
.form-msg.success{color:var(--gold)}
.form-note{font-size:13px;color:rgba(244,242,236,.5)}

/* 相关入口 */
.picks{padding:80px 0 96px}
.pick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.pick-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);display:flex;flex-direction:column}
.pick-card:hover{transform:translateY(-4px);border-color:rgba(217,164,74,.5);box-shadow:var(--shadow-lift)}
.pick-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt)}
.pick-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .24s var(--ease)}
.pick-card:hover .pick-thumb img{transform:scale(1.02)}
.pick-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.pick-body h3{font-size:19px;font-weight:600;line-height:1.45}
.pick-body p{font-size:14.8px;color:var(--text-2)}
.pick-body .link-more{margin-top:auto}

/* 通用区块标题 */
.block-title{font-size:clamp(24px,2.6vw,34px);line-height:1.28;font-weight:700;letter-spacing:-.01em}
.block-sub{margin-top:12px;color:var(--text-2);max-width:44em}

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

/* 页脚 */
.site-footer{background:var(--ink-deep);color:var(--on-dark-2);position:relative;overflow:hidden;margin-top:0}
.site-footer::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 10% 30%,rgba(244,242,236,.14) 0 1.1px,transparent 1.5px),radial-gradient(circle at 44% 72%,rgba(244,242,236,.1) 0 1px,transparent 1.3px),radial-gradient(circle at 76% 26%,rgba(244,242,236,.12) 0 1.1px,transparent 1.5px);background-size:400px 300px;pointer-events:none}
.site-footer .container{position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 48px}
.footer-brand .logo{color:var(--on-dark);font-size:18px}
.footer-brand .logo:hover{color:var(--gold)}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.8;max-width:30em}
.footer-col h3{font-size:15px;color:var(--on-dark);font-weight:600;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14.5px;color:var(--on-dark-2)}
.footer-col a:hover{color:var(--gold)}
.qr-box{width:74px;height:74px;border-radius:10px;border:1px solid var(--dark-line);display:flex;align-items:center;justify-content:center;color:var(--gold);background:rgba(255,255,255,.04);margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.8}
.copyright{border-top:1px solid var(--dark-line);position:relative;z-index:1}
.copyright .container{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding:18px 24px;font-size:13px;color:rgba(244,242,236,.55)}

/* 响应式 */
@media (max-width:1279px){
  .container{max-width:100%}
}
@media (max-width:1023px){
  :root{--nav-h:64px}
  .main-nav{display:none}
  .menu-toggle{display:inline-flex}
  .nav-inner{gap:14px}
  .logo{font-size:17.5px}
  .chapter-inner{grid-template-columns:88px minmax(0,1fr);gap:24px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .pick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 40px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .topbar-note{display:none}
  .topbar-inner{justify-content:flex-end}
  .drawer{display:none}
  .drawer.open{display:block}
  .page-head{padding:30px 0 40px}
  .chapter{padding:42px 0}
  .chapter-inner{grid-template-columns:1fr;gap:12px}
  .chapter-num{font-size:34px}
  .chapter-points{padding-left:16px}
  .timeline{padding-left:22px}
  .tl-dot{left:-28px}
  .faq-q{padding:18px 18px;font-size:16px}
  .faq-panel-inner{padding:0 18px 20px}
  .cta-inner{padding:48px 18px}
  .field-row{flex-direction:column}
  .subscribe-form .btn{width:100%}
  .pick-grid{grid-template-columns:1fr;gap:20px}
  .picks{padding:56px 0 68px}
  .faq-section{padding:56px 0;margin-top:40px}
  .cta-band{margin-top:52px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .copyright .container{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  .page-head h1{font-size:30px}
  .block-title,.section-head h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr}
  .head-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}