/* roulang page: index */
:root{
  --primary:#10312C;
  --primary-600:#17453E;
  --primary-700:#0C2622;
  --accent:#C0743A;
  --bg:#F7F4EE;
  --bg-2:#ECE6DB;
  --bg-3:#EFEAE1;
  --ink:#14110E;
  --ink-2:#5C544B;
  --ink-3:#8C8377;
  --line:rgba(20,17,14,.12);
  --paper:#FFFFFF;
  --radius-card:16px;
  --radius-btn:999px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(20,17,14,.05);
  --shadow-2:0 14px 32px -20px rgba(20,17,14,.32);
  --dur:.24s;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:700;letter-spacing:-.02em;line-height:1.22;color:var(--ink)}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
::selection{background:rgba(192,116,58,.28)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 clamp(20px,5vw,48px)}
@media(min-width:1440px){.container{max-width:1240px}}

/* ---------- 公告条 ---------- */
.notice-bar{background:#F1E3D5;border-bottom:1px solid rgba(192,116,58,.22);color:#5A3A1E}
.notice-inner{position:relative;display:flex;align-items:center;justify-content:center;gap:10px;min-height:40px;padding:0 44px;font-size:13px;text-align:center}
.notice-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none}
.notice-close{position:absolute;right:0;top:50%;transform:translateY(-50%);width:28px;height:28px;border-radius:50%;display:grid;place-items:center;color:#5A3A1E;transition:background var(--dur)}
.notice-close:hover{background:rgba(192,116,58,.16)}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,244,238,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow var(--dur) var(--ease)}
.site-header.compact{box-shadow:var(--shadow-1)}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;transition:min-height var(--dur) var(--ease)}
.site-header.compact .brand-row{min-height:38px}
.logo{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:21px;font-weight:700;letter-spacing:-.01em;color:var(--primary)}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--primary);color:#F7F4EE;display:grid;place-items:center;font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;flex:none}
.site-header.compact .logo-mark{width:28px;height:28px;font-size:11px}
.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;color:var(--ink-2);border:1px solid transparent;transition:color var(--dur),border-color var(--dur),background var(--dur)}
.icon-btn:hover{color:var(--primary);border-color:var(--line);background:#fff}
.channel-row{border-top:1px solid var(--line)}
.channel-inner{display:flex;align-items:center;gap:28px;min-height:48px;overflow-x:auto;scrollbar-width:none;transition:min-height var(--dur) var(--ease)}
.channel-inner::-webkit-scrollbar{display:none}
.site-header.compact .channel-inner{min-height:26px}
.channel-link{position:relative;white-space:nowrap;font-size:15px;color:var(--ink-2);padding:12px 0;transition:color var(--dur)}
.site-header.compact .channel-link{padding:2px 0}
.channel-link::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform var(--dur) var(--ease)}
.site-header.compact .channel-link::after{bottom:0}
.channel-link:hover{color:var(--primary)}
.channel-link:hover::after,.channel-link.is-active::after{transform:scaleX(1)}
.channel-link.is-active{color:var(--primary);font-weight:600}
.nav-toggle{display:none}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:14px 26px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;letter-spacing:.01em;border:1px solid transparent;transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.btn-primary{background:var(--primary);color:#F7F4EE;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-600);transform:translateY(-1px)}
.btn-outline{border-color:var(--line);color:var(--ink);background:transparent}
.btn-outline:hover{border-color:rgba(192,116,58,.6);color:var(--accent)}
.btn-invert{background:#F7F4EE;color:var(--primary);border-color:#F7F4EE}
.btn-invert:hover{background:#fff;transform:translateY(-1px)}
.btn-light-outline{border-color:rgba(247,244,238,.4);color:#F2EDE4}
.btn-light-outline:hover{border-color:var(--accent);color:#F0C79E}
.btn-sm{padding:10px 20px;font-size:14px;min-height:40px}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.btn.is-loading{color:transparent;position:relative}
.btn.is-loading::after{content:"";position:absolute;width:16px;height:16px;border:2px solid rgba(247,244,238,.45);border-top-color:#F7F4EE;border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);transition:color var(--dur)}
.link-arrow svg{transition:transform var(--dur) var(--ease)}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- 通用板块 ---------- */
.section{padding:clamp(56px,8vw,110px) 0}
.section--tight{padding:48px 0}
.section--alt{background:var(--bg-2)}
.section--paper{background:var(--paper)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:clamp(28px,4vw,48px)}
.sec-head h2{font-size:clamp(26px,3.4vw,40px)}
.eyebrow{display:block;font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;color:var(--accent);margin-bottom:10px;text-transform:uppercase}
.sec-desc{margin-top:12px;max-width:640px;font-size:15.5px;color:var(--ink-2);line-height:1.85}

/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(158deg,var(--primary-700) 0%,var(--primary) 58%,#0B211E 100%);color:#F2EDE4;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 82% 18%,rgba(192,116,58,.20),transparent 46%);pointer-events:none}
.hero-inner{position:relative;padding:clamp(52px,7vw,104px) 0 clamp(56px,7vw,96px)}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:clamp(28px,4vw,60px);align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:#F0C79E;border:1px solid rgba(192,116,58,.45);border-radius:999px;padding:6px 14px;margin-bottom:22px}
.hero h1{font-size:clamp(34px,5.2vw,62px);line-height:1.14;color:#F7F4EE;letter-spacing:-.02em}
.hero-sub{margin-top:18px;font-size:clamp(16px,1.6vw,19px);line-height:1.7;color:rgba(242,237,228,.82);max-width:30em}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:34px;padding-top:22px;border-top:1px solid rgba(247,244,238,.16);font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:rgba(242,237,228,.7)}
.hero-media{position:relative;border-radius:var(--radius-card);overflow:hidden;background:var(--primary-700);box-shadow:0 24px 60px -34px rgba(0,0,0,.7)}
.hero-media img{width:100%;aspect-ratio:7/5;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,49,44,.65) 0%,rgba(16,49,44,.25) 100%)}
.hero-media-cap{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:14px 18px;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:rgba(247,244,238,.88);background:linear-gradient(0deg,rgba(12,38,34,.72),transparent)}

/* ---------- 主张 01/02/03 ---------- */
.claim-wrap{display:grid;grid-template-columns:5fr 7fr;gap:clamp(28px,4vw,64px);align-items:start}
.claim-list{position:relative;padding-left:28px;border-left:2px solid var(--bg-2);display:grid;gap:34px}
.claim-num{font-family:var(--font-mono);font-size:26px;letter-spacing:.06em;color:var(--accent)}
.claim-title{margin-top:4px;font-family:var(--font-serif);font-size:19px;font-weight:700}
.claim-note{margin-top:6px;font-size:14.5px;color:var(--ink-2)}

/* ---------- 故事 ---------- */
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,60px);align-items:center}
.story-media{border-radius:var(--radius-card);overflow:hidden;background:var(--bg-3)}
.story-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.story-text h2{font-size:clamp(26px,3.4vw,38px)}
.story-text p{margin-top:18px;color:var(--ink-2);font-size:16px}
.story-points{margin-top:26px;display:grid;gap:12px}
.story-points li{display:flex;gap:12px;font-size:15px;color:var(--ink-2)}
.story-points .tick{flex:none;width:18px;height:18px;border-radius:50%;background:rgba(192,116,58,.14);color:var(--accent);display:grid;place-items:center;font-size:11px;margin-top:5px}

/* ---------- 卡片 ---------- */
.card{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden;transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(192,116,58,.45)}
.card-media{overflow:hidden;background:var(--bg-3)}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:24px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:21px}
.card-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.chip{display:inline-flex;align-items:center;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;padding:4px 12px;border-radius:999px;background:rgba(192,116,58,.13);color:#8F5220;align-self:flex-start}
.chip--line{background:transparent;border:1px solid rgba(16,49,44,.24);color:var(--primary)}
.pick-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px}
.pick-side{display:grid;gap:24px}
.pick-main .card-body h3{font-size:26px}
.pick-side .card-media img{aspect-ratio:16/9}
.pick-side .card-body{padding:18px 22px}
.pick-side .card-body h3{font-size:17px}

/* ---------- 资讯列表 ---------- */
.post-list{border-top:1px solid var(--line)}
.post-item{border-bottom:1px solid var(--line)}
.post-link{display:grid;grid-template-columns:96px 1fr;gap:20px;padding:20px 0;transition:background var(--dur)}
.post-thumb{width:96px;height:72px;border-radius:12px;overflow:hidden;background:var(--bg-3)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.post-link:hover .post-thumb img{transform:scale(1.06)}
.post-body{display:flex;flex-direction:column;gap:6px;min-width:0}
.post-title{font-family:var(--font-serif);font-size:18px;font-weight:700;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--dur)}
.post-link:hover .post-title{color:var(--primary)}
.post-excerpt{font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-time{font-family:var(--font-mono);font-size:13px;letter-spacing:.06em;color:var(--ink-3)}
.empty-state{min-height:160px;display:grid;place-items:center;text-align:center;gap:14px;padding:32px;border:1px dashed var(--line);border-radius:var(--radius-card);color:var(--ink-2)}
.empty-state p{font-size:14px}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.stat{background:var(--paper);padding:30px 24px;text-align:center}
.stat-num{font-family:var(--font-mono);font-size:clamp(24px,3vw,34px);letter-spacing:.02em;color:var(--primary)}
.stat-label{margin-top:8px;font-size:13.5px;color:var(--ink-2)}
.cert-line{margin-top:28px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:14px 28px;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--ink-3)}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:60px;padding:14px 0;font-size:17px;font-weight:600;font-family:var(--font-serif);cursor:pointer;transition:color var(--dur)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-icon{flex:none;width:22px;height:22px;position:relative}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--accent);transition:transform var(--dur) var(--ease)}
.faq-icon::before{left:2px;right:2px;top:10px;height:2px}
.faq-icon::after{top:2px;bottom:2px;left:10px;width:2px}
.faq-item[open] .faq-icon::after{transform:scaleY(0)}
.faq-a{margin:0 0 20px;padding-left:18px;border-left:2px solid var(--accent);font-size:16px;line-height:1.85;color:var(--ink-2)}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--primary);color:#F2EDE4;padding:clamp(48px,6vw,84px) 0}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,56px);align-items:center}
.cta-band h2{color:#F7F4EE;font-size:clamp(26px,3.4vw,38px)}
.cta-band p{margin-top:14px;font-size:15.5px;color:rgba(242,237,228,.8)}
.subscribe-form{display:flex;gap:12px}
.subscribe-form input{flex:1;min-width:0;padding:14px 18px;border-radius:var(--radius-input);border:1px solid rgba(247,244,238,.3);background:rgba(255,255,255,.08);color:#F7F4EE;transition:border-color var(--dur),box-shadow var(--dur)}
.subscribe-form input::placeholder{color:rgba(242,237,228,.55)}
.subscribe-form input:focus{outline:none;border-color:#F7F4EE;box-shadow:0 0 0 3px rgba(192,116,58,.4)}
.form-note{margin-top:12px;font-size:12px;color:rgba(242,237,228,.6)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary-700);color:rgba(247,244,238,.78);padding:clamp(48px,6vw,80px) 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:20px;font-weight:700;color:#F7F4EE}
.footer-brand .logo-mark{background:rgba(247,244,238,.12);color:#F7F4EE}
.footer-about{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(242,237,228,.66);max-width:30em}
.footer-title{font-family:var(--font-mono);font-size:13px;letter-spacing:.1em;color:rgba(192,116,58,.95);margin-bottom:16px}
.footer-links{display:grid;gap:11px}
.footer-links a{font-size:15px;color:rgba(242,237,228,.78);transition:color var(--dur),transform var(--dur)}
.footer-links a:hover{color:var(--accent);transform:translateX(2px)}
.footer-note{font-size:14px;color:rgba(242,237,228,.66);line-height:1.8}
.footer-bottom{margin-top:clamp(32px,4vw,52px);padding:22px 0;border-top:1px solid rgba(247,244,238,.14);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:rgba(242,237,228,.55)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in-view{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr}
  .hero-media{order:-1}
  .hero-media::after{background:linear-gradient(0deg,rgba(16,49,44,.65) 0%,rgba(16,49,44,.25) 100%)}
  .claim-wrap,.story-grid,.cta-grid{grid-template-columns:1fr}
  .pick-grid{grid-template-columns:1fr}
  .pick-main .card-body h3{font-size:22px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px}
  .hero-cta .btn{width:100%}
  .stats{grid-template-columns:repeat(2,1fr)}
  .post-link{grid-template-columns:84px 1fr;gap:16px}
  .post-thumb{width:84px;height:64px}
}
@media(max-width:520px){
  body{font-size:15.5px;line-height:1.8}
  .brand-row{min-height:64px}
  .subscribe-form{flex-direction:column}
  .subscribe-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .icon-btn{width:40px;height:40px}
  .channel-inner{gap:20px}
}

/* roulang page: article */
:root{
  --primary:#10312C;
  --primary-600:#17453E;
  --primary-900:#0C2622;
  --accent:#C0743A;
  --accent-soft:#F0E2D5;
  --bg:#F7F4EE;
  --bg-2:#ECE6DB;
  --bg-3:#E4DDCF;
  --card:#FFFFFF;
  --ink:#14110E;
  --ink-2:#5C544B;
  --ink-3:#8C8377;
  --line:rgba(20,17,14,.12);
  --line-accent:rgba(192,116,58,.45);
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:999px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(20,17,14,.05);
  --shadow-2:0 14px 32px -20px rgba(20,17,14,.32);
  --dur:.24s;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-title:"Noto Serif SC","Source Han Serif SC",Songti SC,serif;
  --font-body:"Noto Sans SC",system-ui,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease),transform var(--dur) var(--ease);}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{font-family:var(--font-title);font-weight:700;margin:0;letter-spacing:-.02em;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 clamp(20px,5vw,48px);
}
@media (min-width:1440px){ .container{max-width:1240px;} }

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,244,238,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 24px -18px rgba(20,17,14,.35);}
.brand-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:76px;
  transition:height var(--dur) var(--ease);
}
.site-header.is-stuck .brand-row{height:60px;}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-title);
  font-size:22px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--primary);
}
.logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  border-radius:10px;
  background:var(--primary);
  color:#F7F4EE;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.06em;
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:transparent;
  color:var(--ink-2);
  cursor:pointer;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.icon-btn:hover{border-color:var(--line-accent);color:var(--accent);background:#fff;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  min-height:44px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:all var(--dur) var(--ease);
}
.btn-sm{padding:10px 20px;font-size:14px;min-height:44px;}
.btn-primary{background:var(--primary);color:#FBF9F5;}
.btn-primary:hover{background:var(--primary-600);transform:translateY(-1px);}
.btn-outline{border-color:var(--line);color:var(--ink);background:transparent;}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);}
.btn-ghost{padding:0;background:none;color:var(--primary);font-weight:600;}
.btn-ghost:hover{color:var(--accent);}
.btn-ghost .arrow{display:inline-block;transition:transform var(--dur) var(--ease);}
.btn-ghost:hover .arrow{transform:translateX(3px);}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none;}

.channel-row{border-top:1px solid var(--line);}
.channel-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:48px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;
  flex:0 0 auto;
  padding:4px 0;
  font-size:15px;
  color:var(--ink-2);
  white-space:nowrap;
}
.channel-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.channel-link:hover{color:var(--ink);}
.channel-link:hover::after{transform:scaleX(1);}
.channel-link.is-active{color:var(--primary);font-weight:600;}
.channel-link.is-active::after{transform:scaleX(1);}

/* ---------- Breadcrumb ---------- */
.crumb-bar{padding-top:28px;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.08em;
  color:var(--ink-3);
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--ink-3);}

/* ---------- Article head ---------- */
.article-head{padding:32px 0 40px;border-bottom:1px solid var(--line);}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 14px;
  border-radius:var(--radius-btn);
  background:var(--accent-soft);
  color:#8A4A18;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
}
.article-head h1{
  margin:18px 0 0;
  font-size:clamp(30px,4vw,46px);
  line-height:1.22;
  max-width:900px;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  margin-top:20px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.08em;
  color:var(--ink-3);
}
.meta-row span{display:inline-flex;align-items:center;gap:8px;}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line-accent);}

/* ---------- Layout ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 300px;
  gap:56px;
  align-items:start;
  padding:48px 0 0;
}
.article-body{font-size:16px;line-height:1.9;color:#231F1A;}
.article-body>*+*{margin-top:18px;}
.article-body h2{
  margin-top:40px;
  font-size:24px;
  line-height:1.4;
  padding-left:14px;
  border-left:3px solid var(--accent);
}
.article-body h3{margin-top:30px;font-size:20px;line-height:1.45;}
.article-body h4{margin-top:24px;font-size:18px;font-family:var(--font-body);letter-spacing:0;}
.article-body p{margin-top:18px;color:#2C2721;}
.article-body ul,.article-body ol{margin-top:18px;padding-left:22px;}
.article-body li{margin-top:8px;line-height:1.85;}
.article-body li::marker{color:var(--accent);}
.article-body blockquote{
  margin-top:26px;
  padding:14px 0 14px 20px;
  border-left:3px solid var(--accent);
  font-style:italic;
  color:var(--ink-2);
  background:linear-gradient(90deg,rgba(192,116,58,.06),rgba(192,116,58,0));
}
.article-body img{border-radius:var(--radius-img);margin-top:26px;}
.article-body figure{margin:26px 0 0;}
.article-body figcaption{
  margin-top:10px;
  text-align:center;
  font-size:13px;
  color:var(--ink-3);
}
.article-body a{color:var(--primary);border-bottom:1px solid var(--line-accent);}
.article-body a:hover{color:var(--accent);}
.article-body table{
  width:100%;
  margin-top:26px;
  border-collapse:collapse;
  border:1px solid var(--line);
  font-size:15px;
}
.article-body th,.article-body td{
  padding:11px 14px;
  border:1px solid var(--line);
  text-align:left;
}
.article-body th{background:var(--bg-2);font-weight:600;}
.article-body code{
  font-family:var(--font-mono);
  font-size:13.5px;
  background:var(--bg-2);
  border-radius:6px;
  padding:2px 7px;
}
.article-body pre{
  margin-top:24px;
  padding:18px 20px;
  background:var(--primary-900);
  color:#E8E3D9;
  border-radius:var(--radius-img);
  overflow-x:auto;
  font-family:var(--font-mono);
  font-size:13.5px;
  line-height:1.75;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body hr{
  margin:34px 0;
  border:0;
  border-top:1px solid var(--line);
}

/* ---------- Empty state ---------- */
.empty-state{
  min-height:160px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  padding:36px 24px;
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  text-align:center;
  background:#fff;
}
.empty-state .empty-icon{
  width:44px;height:44px;border:1px solid var(--line);border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:var(--accent);
  font-family:var(--font-mono);font-size:16px;
}
.empty-state p{font-size:14px;color:var(--ink-2);}

/* ---------- Tags ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--ink-2);
  background:#fff;
}
.tag:hover{border-color:var(--line-accent);color:var(--accent);}

/* ---------- Prev / Next ---------- */
.post-nav{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  margin-top:36px;
}
.post-nav a{
  display:block;
  padding:20px 22px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
}
.post-nav a:hover{border-color:var(--line-accent);transform:translateY(-2px);}
.post-nav .pn-label{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--ink-3);
}
.post-nav .pn-title{
  margin-top:8px;
  font-size:17px;
  font-weight:600;
  line-height:1.5;
}
.post-nav .pn-desc{margin-top:6px;font-size:14px;color:var(--ink-2);}
.post-nav .pn-next{text-align:right;}

/* ---------- Sidebar ---------- */
.article-side{position:sticky;top:104px;display:flex;flex-direction:column;gap:22px;}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-1);
}
.side-title{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--ink-3);
  margin-bottom:14px;
}
.side-list{display:flex;flex-direction:column;}
.side-list a{
  display:flex;
  gap:10px;
  padding:11px 0;
  border-bottom:1px solid var(--line);
  font-size:14.5px;
  color:var(--ink-2);
  line-height:1.6;
}
.side-list a:last-child{border-bottom:0;}
.side-list a:hover{color:var(--accent);}
.side-list .num{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--accent);
  padding-top:3px;
}
.side-note{font-size:13.5px;line-height:1.85;color:var(--ink-2);}
.side-cta{
  margin-top:16px;
  display:flex;
  width:100%;
  justify-content:center;
}

/* ---------- Related ---------- */
.section{padding:clamp(56px,7vw,96px) 0;}
.section-alt{background:var(--bg-2);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:34px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;}
.section-head .kicker{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--accent);
  margin-bottom:10px;
}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--line-accent);}
.card-media{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--bg-3);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:19px;line-height:1.45;}
.card-body p{font-size:14.5px;color:var(--ink-2);}
.card-foot{
  margin-top:auto;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--ink-3);
}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--primary);
  color:#F2EEE6;
  padding:clamp(48px,6vw,72px) 0;
}
.cta-inner{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
}
.cta-inner h2{color:#FBF9F5;font-size:clamp(24px,3vw,34px);line-height:1.28;}
.cta-inner p{margin-top:14px;color:rgba(242,238,230,.78);font-size:15px;}
.subscribe-form{display:flex;gap:12px;}
.subscribe-form input{
  flex:1;
  min-width:0;
  padding:14px 18px;
  border-radius:var(--radius-input);
  border:1px solid rgba(242,238,230,.28);
  background:rgba(255,255,255,.06);
  color:#F7F4EE;
}
.subscribe-form input::placeholder{color:rgba(242,238,230,.55);}
.subscribe-form input:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(192,116,58,.25);
}
.form-note{margin-top:12px;font-size:12px;color:rgba(242,238,230,.6);}

/* ---------- Footer ---------- */
.site-footer{background:var(--primary-900);color:rgba(247,244,238,.82);padding:64px 0 28px;margin-top:0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(247,244,238,.14);
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-title);
  font-size:20px;
  font-weight:700;
  color:#FBF9F5;
}
.footer-brand .logo-mark{background:var(--accent);color:#1C1916;}
.footer-about{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(247,244,238,.72);max-width:340px;}
.footer-title{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.1em;
  color:rgba(247,244,238,.55);
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:15px;color:rgba(247,244,238,.82);}
.footer-links a:hover{color:var(--accent);transform:translateX(2px);}
.footer-note{font-size:14px;line-height:1.9;color:rgba(247,244,238,.72);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:22px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:rgba(247,244,238,.55);
}

/* ---------- Reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
[data-reveal].is-in{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;}
  .article-side{position:static;display:none;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .brand-row{height:68px;}
  .logo{font-size:19px;}
  .logo-mark{width:32px;height:32px;font-size:12px;}
  .channel-inner{gap:22px;}
  .article-head{padding:24px 0 30px;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav .pn-next{text-align:left;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:520px){
  body{font-size:15.5px;line-height:1.8;}
  .card-grid{grid-template-columns:1fr;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .nav-actions .btn-sm{padding:10px 16px;font-size:13.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
  [data-reveal]{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --primary:#10312C;
  --primary-600:#17453E;
  --primary-700:#0C2622;
  --accent:#C0743A;
  --accent-soft:rgba(192,116,58,.12);
  --bg:#F7F4EE;
  --bg-2:#ECE6DB;
  --bg-3:#E3DCCF;
  --white:#FFFFFF;
  --ink:#14110E;
  --ink-2:#5C544B;
  --ink-3:#8C8377;
  --line:rgba(20,17,14,.12);
  --line-strong:rgba(20,17,14,.2);
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:999px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(20,17,14,.05);
  --shadow-2:0 14px 32px -20px rgba(20,17,14,.32);
  --dur:.24s;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease)}
a:hover{color:var(--accent)}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer}
h1,h2,h3,h4{font-family:var(--font-serif);letter-spacing:-.02em;margin:0;color:var(--ink)}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
::selection{background:var(--accent);color:#fff}

/* 容器与通用 */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 clamp(20px,5vw,48px)}
.mono{font-family:var(--font-mono);letter-spacing:.08em;font-size:13px;color:var(--ink-3)}
.section{padding:clamp(56px,8vw,110px) 0}
.section.tight{padding:48px 0}
.section.alt{background:var(--bg-2)}
.section.dark{background:var(--primary);color:#EFEAE1}
.section.dark h2,.section.dark h3{color:#F7F4EE}
.sec-head{max-width:720px;margin-bottom:clamp(28px,4vw,48px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;
  color:var(--accent);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);display:block}
h2.sec-title{font-size:clamp(26px,3.4vw,40px);line-height:1.22}
.sec-sub{margin-top:14px;color:var(--ink-2);font-size:16px;max-width:660px}
.section.dark .sec-sub{color:rgba(247,244,238,.72)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);border:1px solid transparent;
  padding:14px 26px;min-height:44px;font-size:15px;font-weight:600;
  transition:all var(--dur) var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#F7F4EE}
.btn-primary:hover{background:var(--primary-600);color:#fff;transform:translateY(-1px)}
.btn-outline{border-color:var(--line-strong);color:var(--ink);background:transparent}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.btn-ghost{padding:14px 4px;color:var(--ink);background:transparent}
.btn-ghost svg{transition:transform var(--dur) var(--ease)}
.btn-ghost:hover svg{transform:translateX(3px)}
.btn-sm{padding:10px 20px;font-size:14px;min-height:40px}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.section.dark .btn-outline{border-color:rgba(247,244,238,.4);color:#F7F4EE}
.section.dark .btn-outline:hover{border-color:var(--accent);color:var(--accent)}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -20px rgba(20,17,14,.5)}
.brand-row{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:76px;transition:height var(--dur) var(--ease);
}
.site-header.is-scrolled .brand-row{height:52px}
.logo{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:21px;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:34px;height:34px;border-radius:9px;flex:0 0 auto;
  background:var(--primary);color:#E9C9A8;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.06em;font-weight:600;
}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:44px;height:44px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:transparent;color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;
  transition:all var(--dur) var(--ease);
}
.icon-btn:hover{border-color:var(--accent);color:var(--accent)}
.channel-row{border-top:1px solid var(--line);position:relative}
.channel-inner{
  display:flex;align-items:center;gap:28px;
  height:48px;overflow-x:auto;scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none}
.channel-row::before,.channel-row::after{
  content:"";position:absolute;top:1px;bottom:0;width:16px;pointer-events:none;z-index:2;
}
.channel-row::before{left:0;background:linear-gradient(90deg,rgba(247,244,238,.96),rgba(247,244,238,0))}
.channel-row::after{right:0;background:linear-gradient(270deg,rgba(247,244,238,.96),rgba(247,244,238,0))}
.channel-link{
  position:relative;flex:0 0 auto;height:48px;display:inline-flex;align-items:center;
  font-size:15px;color:var(--ink-2);font-weight:500;
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.channel-link:hover{color:var(--primary)}
.channel-link:hover::after{transform:scaleX(1)}
.channel-link.is-active{color:var(--primary);font-weight:600}
.channel-link.is-active::after{transform:scaleX(1)}

/* 面包屑 */
.breadcrumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding-top:28px;font-family:var(--font-mono);font-size:13px;letter-spacing:.06em;color:var(--ink-3);
}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb .sep{color:var(--line-strong)}

/* Hero */
.hero-band{
  position:relative;
  background:linear-gradient(105deg,rgba(12,38,34,.95) 0%,rgba(16,49,44,.86) 45%,rgba(16,49,44,.55) 100%),
             url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#F7F4EE;
  padding:clamp(52px,7vw,92px) 0 clamp(46px,6vw,78px);
  border-bottom:1px solid rgba(247,244,238,.14);
}
.hero-band::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(192,116,58,.7),transparent);
}
.hero-inner{max-width:820px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(192,116,58,.5);background:rgba(192,116,58,.14);
  color:#E7BE93;border-radius:var(--radius-btn);
  padding:6px 14px;font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;
}
.hero-band h1{
  color:#FBF8F2;font-size:clamp(34px,5.2vw,58px);line-height:1.14;
  margin:22px 0 0;
}
.hero-band h1 em{font-style:normal;color:#E0B184}
.hero-lead{
  margin-top:20px;max-width:660px;
  font-size:clamp(15.5px,1.4vw,17px);line-height:1.9;color:rgba(247,244,238,.86);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;align-items:center}
.hero-band .btn-primary{background:#E9DCC9;color:#10312C}
.hero-band .btn-primary:hover{background:#fff;color:#10312C}
.hero-band .btn-ghost{color:#F7F4EE}
.hero-band .btn-ghost:hover{color:#E0B184}
.hero-meta{
  margin-top:30px;display:flex;flex-wrap:wrap;gap:12px 30px;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.08em;color:rgba(247,244,238,.62);
}
.hero-meta strong{color:#E0B184;font-weight:600}

/* 锚点 chips */
.anchor-bar{
  position:sticky;top:100px;z-index:40;
  background:rgba(247,244,238,.95);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;gap:12px;align-items:center;padding:14px 0;overflow-x:auto;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-inner .label{font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;color:var(--ink-3);flex:0 0 auto;padding-right:6px}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:8px 16px;font-size:13.5px;color:var(--ink-2);background:var(--white);
  transition:all var(--dur) var(--ease);
}
.chip:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.chip-soft{
  background:var(--accent-soft);border-color:transparent;color:var(--accent);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;padding:5px 12px;
}
.chip-line{
  background:transparent;border-color:rgba(16,49,44,.28);color:var(--primary);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;padding:5px 12px;
}

/* 要点竖排 */
.point-list{border-left:2px solid var(--bg-3);padding-left:clamp(20px,3vw,36px);display:grid;gap:32px}
.point{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start}
.point-num{
  font-family:var(--font-mono);font-size:clamp(24px,3vw,34px);line-height:1;
  color:var(--accent);letter-spacing:.04em;
}
.point h3{font-size:19px;margin-bottom:6px}
.point p{color:var(--ink-2);font-size:15.5px;max-width:620px}

/* 图文条目列表 */
.entry-list{display:grid;gap:24px}
.entry-item{
  display:grid;grid-template-columns:260px 1fr;gap:clamp(18px,2.6vw,32px);
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:clamp(16px,2vw,22px);box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.entry-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(192,116,58,.45)}
.entry-media{position:relative;overflow:hidden;border-radius:var(--radius-img);background:var(--bg-3)}
.entry-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img);transition:transform var(--dur) var(--ease)}
.entry-item:hover .entry-media img{transform:scale(1.04)}
.entry-index{
  position:absolute;left:12px;top:12px;z-index:2;
  background:rgba(12,38,34,.78);color:#E7BE93;border-radius:var(--radius-btn);
  padding:4px 11px;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
}
.entry-body{display:flex;flex-direction:column;gap:10px}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.entry-title{font-size:21px;line-height:1.4}
.entry-title a:hover{color:var(--accent)}
.entry-desc{color:var(--ink-2);font-size:15px;line-height:1.8}
.entry-foot{
  margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px;padding-top:12px;border-top:1px solid var(--line);
}
.entry-foot .mono{font-size:12.5px}
.entry-link{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.entry-link svg{transition:transform var(--dur) var(--ease)}
.entry-link:hover svg{transform:translateX(3px)}

/* 场景卡 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(192,116,58,.45)}
.scene-icon{
  width:44px;height:44px;border-radius:12px;background:var(--accent-soft);
  color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:18px;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.06em;
}
.scene-card h3{font-size:18px;margin-bottom:10px}
.scene-card p{color:var(--ink-2);font-size:15px}

/* 步骤 */
.step-wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,56px);align-items:start}
.step-list{border-top:1px solid var(--line)}
.step{
  display:grid;grid-template-columns:64px 1fr;gap:20px;
  padding:24px 0;border-bottom:1px solid var(--line);
}
.step-num{font-family:var(--font-mono);font-size:22px;color:var(--accent);letter-spacing:.06em;line-height:1.3}
.step h4{font-family:var(--font-sans);font-size:17px;font-weight:600;margin-bottom:6px;letter-spacing:0}
.step p{color:var(--ink-2);font-size:15px}
.step-figure{position:relative;overflow:hidden;border-radius:var(--radius-card);box-shadow:var(--shadow-1)}
.step-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-card)}
.step-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:18px 20px;
  background:linear-gradient(0deg,rgba(12,38,34,.86),rgba(12,38,34,0));
  color:rgba(247,244,238,.9);font-family:var(--font-mono);font-size:12.5px;letter-spacing:.06em;
}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;border-top:1px solid rgba(247,244,238,.2);padding-top:36px;margin-top:8px}
.stat-num{font-family:var(--font-mono);font-size:clamp(28px,3.6vw,40px);color:#E0B184;letter-spacing:.02em;line-height:1.1}
.stat-label{margin-top:8px;font-size:14.5px;color:rgba(247,244,238,.78)}

/* 要点清单 */
.check-list{display:grid;gap:16px}
.check-item{
  display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-1);
}
.check-num{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--accent);
  border:1px solid rgba(192,116,58,.4);border-radius:var(--radius-btn);padding:4px 10px;line-height:1.6;
}
.check-item h3{font-size:17px;margin-bottom:6px;font-family:var(--font-sans);font-weight:600;letter-spacing:0}
.check-item p{color:var(--ink-2);font-size:15px}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--ink);
  transition:color var(--dur) var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--accent)}
.faq .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;position:relative;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.faq .plus::before,.faq .plus::after{
  content:"";position:absolute;background:var(--ink-2);border-radius:2px;
}
.faq .plus::before{width:11px;height:1.5px}
.faq .plus::after{width:1.5px;height:11px;transition:opacity var(--dur) var(--ease)}
.faq details[open] .plus{transform:rotate(180deg);border-color:var(--accent)}
.faq details[open] .plus::after{opacity:0}
.faq details[open] summary{color:var(--primary)}
.faq .answer{
  padding:0 0 22px 18px;border-left:2px solid var(--accent);
  color:var(--ink-2);font-size:16px;line-height:1.85;margin-bottom:4px;
}

/* CTA 带 */
.cta-band{
  background:linear-gradient(120deg,var(--primary-700),var(--primary-600));
  color:#F7F4EE;padding:clamp(48px,6vw,80px) 0;
}
.cta-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(28px,4vw,56px);align-items:center}
.cta-band h2{color:#FBF8F2;font-size:clamp(24px,3vw,34px);line-height:1.25}
.cta-band p{margin-top:14px;color:rgba(247,244,238,.78);font-size:15.5px;max-width:520px}
.sub-form{display:flex;gap:12px;flex-wrap:wrap}
.sub-form input{
  flex:1 1 240px;min-height:48px;padding:14px 18px;border-radius:var(--radius-input);
  border:1px solid rgba(247,244,238,.3);background:rgba(247,244,238,.08);color:#FBF8F2;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.sub-form input::placeholder{color:rgba(247,244,238,.55)}
.sub-form input:focus{outline:none;border-color:#E0B184;box-shadow:0 0 0 3px rgba(224,177,132,.22)}
.sub-form .btn-primary{background:#E9DCC9;color:#10312C}
.sub-form .btn-primary:hover{background:#fff}
.privacy-note{margin-top:12px;font-size:12px;color:rgba(247,244,238,.55)}

/* 页脚 */
.site-footer{background:var(--primary);color:rgba(247,244,238,.82);padding:clamp(48px,6vw,80px) 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:clamp(24px,3vw,48px)}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-serif);font-size:20px;font-weight:700;color:#FBF8F2;margin-bottom:16px}
.footer-brand:hover{color:#E0B184}
.footer-about{font-size:14.5px;line-height:1.85;color:rgba(247,244,238,.68);max-width:320px}
.footer-title{
  font-family:var(--font-mono);font-size:13px;letter-spacing:.12em;color:rgba(247,244,238,.55);
  margin-bottom:16px;
}
.footer-links{display:grid;gap:11px}
.footer-links a{font-size:15px;color:rgba(247,244,238,.86);transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);display:inline-block}
.footer-links a:hover{color:var(--accent);transform:translateX(2px)}
.footer-note{font-size:14.5px;line-height:1.85;color:rgba(247,244,238,.68)}
.footer-bottom{
  margin-top:clamp(36px,5vw,56px);border-top:1px solid rgba(247,244,238,.16);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.06em;color:rgba(247,244,238,.5);
}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{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:1024px){
  .entry-item{grid-template-columns:210px 1fr}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .step-wrap{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .anchor-bar{top:96px}
}
@media (max-width:768px){
  body{font-size:15.5px;line-height:1.8}
  .brand-row{height:64px}
  .site-header.is-scrolled .brand-row{height:56px}
  .logo{font-size:19px}
  .channel-inner{gap:22px}
  .entry-item{grid-template-columns:1fr}
  .entry-media img{aspect-ratio:16/10}
  .scene-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr;gap:20px}
  .step{grid-template-columns:48px 1fr;gap:14px}
  .hero-meta{gap:8px 20px;font-size:12px}
  .anchor-bar{top:88px}
  .point{grid-template-columns:1fr;gap:8px}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .nav-actions .btn-sm{padding:9px 16px;font-size:13.5px}
  .entry-item{padding:14px}
  .check-item{grid-template-columns:1fr;gap:10px}
  .faq summary{font-size:16px;padding:18px 0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category2 */
:root{
  --primary:#10312C;
  --primary-600:#17453E;
  --primary-900:#0C2622;
  --accent:#C0743A;
  --accent-700:#A9632F;
  --accent-soft:rgba(192,116,58,.12);
  --bg:#F7F4EE;
  --bg-2:#ECE6DB;
  --bg-3:#E4DCCE;
  --card:#FFFFFF;
  --ink:#14110E;
  --ink-2:#5C544B;
  --ink-3:#8C8377;
  --line:rgba(20,17,14,.12);
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:999px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(20,17,14,.05);
  --shadow-2:0 14px 32px -20px rgba(20,17,14,.32);
  --dur:.24s;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC",Georgia,"Songti SC",serif;
  --font-sans:"Noto Sans SC",system-ui,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol,dl,dd{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.mono{font-family:var(--font-mono);letter-spacing:.08em}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 clamp(20px,5vw,48px);
}
@media (min-width:1440px){.container{max-width:1240px}}
.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(--accent);outline-offset:2px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.brand-row{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;height:76px;
  transition:height var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.logo{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--font-serif);font-size:21px;font-weight:700;
  letter-spacing:-.02em;color:var(--primary);min-height:44px;
}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  background:var(--primary);color:#F7F4EE;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.06em;font-weight:600;
}
.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:44px;height:44px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:transparent;color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.icon-btn:hover{color:var(--accent);border-color:rgba(192,116,58,.45);background:#fff}
.channel-row{
  border-top:1px solid var(--line);
  height:48px;display:flex;align-items:center;
  transition:height var(--dur) var(--ease);
}
.channel-inner{
  display:flex;align-items:center;gap:28px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none}
.channel-inner::before{
  content:"hth网址";display:none;flex:0 0 auto;
  font-family:var(--font-serif);font-weight:700;font-size:17px;
  color:var(--primary);letter-spacing:-.02em;margin-right:6px;
}
.channel-link{
  position:relative;flex:0 0 auto;
  height:48px;display:inline-flex;align-items:center;
  font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap;
  transition:color var(--dur) var(--ease),height var(--dur) var(--ease);
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:9px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.channel-link:hover{color:var(--ink)}
.channel-link:hover::after{transform:scaleX(1)}
.channel-link.is-active{color:var(--ink);font-weight:600}
.channel-link.is-active::after{transform:scaleX(1)}
.site-header.is-stuck .brand-row{height:0;opacity:0;overflow:hidden;pointer-events:none}
.site-header.is-stuck .channel-row{height:64px;border-top-color:transparent}
.site-header.is-stuck .channel-link{height:64px}
.site-header.is-stuck .channel-inner::before{display:inline-block}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),
             border-color var(--dur) var(--ease),transform var(--dur) var(--ease),
             box-shadow var(--dur) var(--ease);
}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-primary{background:var(--primary);color:#F7F4EE}
.btn-primary:hover{background:var(--primary-600);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:#1B120A}
.btn-accent:hover{background:var(--accent-700);transform:translateY(-1px)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.btn-outline-light{background:transparent;border-color:rgba(247,244,238,.42);color:#F7F4EE}
.btn-outline-light:hover{border-color:var(--accent);color:var(--accent)}
.btn[disabled],.btn.is-disabled{opacity:.6;cursor:not-allowed;transform:none}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--bg-2);border-bottom:1px solid var(--line)}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:22px 0;font-size:13px;color:var(--ink-3);
}
.breadcrumb a{color:var(--ink-2);transition:color var(--dur) var(--ease)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--ink-3)}
.breadcrumb .current{color:var(--ink-3)}

/* ---------- 频道头部 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--primary-900);color:#F3EFE6}
.hero-media{position:absolute;inset:0}
.hero-media img{width:100%;height:100%;object-fit:cover}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(12,38,34,.94) 0%,rgba(12,38,34,.80) 46%,rgba(12,38,34,.34) 100%);
}
.hero-inner{position:relative;z-index:2;padding:clamp(60px,9vw,116px) 0 clamp(48px,6vw,72px)}
.eyebrow{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent);margin-bottom:18px;
}
.page-hero h1{
  font-family:var(--font-serif);font-weight:700;
  font-size:clamp(32px,5vw,58px);line-height:1.14;letter-spacing:-.02em;
  max-width:14em;
}
.hero-lead{
  margin-top:22px;max-width:44em;
  font-size:clamp(15.5px,1.4vw,17px);line-height:1.9;color:rgba(247,244,238,.82);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:clamp(24px,4vw,56px);
  margin-top:clamp(40px,5vw,60px);
  padding-top:26px;border-top:1px solid rgba(247,244,238,.18);
}
.hero-stats li{display:flex;flex-direction:column;gap:6px}
.hero-stats .num{
  font-family:var(--font-mono);font-size:clamp(24px,3vw,34px);
  font-weight:600;color:#F7F4EE;letter-spacing:.04em;line-height:1;
}
.hero-stats .lbl{font-size:13px;color:rgba(247,244,238,.66);letter-spacing:.04em}

/* ---------- 通用板块 ---------- */
.section{padding:clamp(56px,8vw,110px) 0}
.section-tight{padding:clamp(44px,5vw,66px) 0}
.section-alt{background:var(--bg-2)}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:clamp(32px,4vw,52px);
}
.section-head h2{
  font-family:var(--font-serif);font-size:clamp(26px,3.4vw,40px);
  line-height:1.22;letter-spacing:-.02em;max-width:22em;
}
.section-head .eyebrow{color:var(--accent);margin-bottom:14px}
.section-note{max-width:34em;font-size:15px;color:var(--ink-2)}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--primary);
  transition:color var(--dur) var(--ease);
}
.text-link:hover{color:var(--accent)}
.text-link .arrow{transition:transform var(--dur) var(--ease)}
.text-link:hover .arrow{transform:translateX(3px)}

/* ---------- 开始之前 ---------- */
.pre-list{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:clamp(20px,2.6vw,36px);
}
.pre-list li{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px 26px 28px;
  box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.pre-list li:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(192,116,58,.45)}
.pre-num{
  display:block;font-family:var(--font-mono);font-size:13px;
  letter-spacing:.16em;color:var(--accent);margin-bottom:16px;
}
.pre-list h3{font-family:var(--font-serif);font-size:19px;line-height:1.4;margin-bottom:10px}
.pre-list p{font-size:15px;color:var(--ink-2);line-height:1.85}

/* ---------- 双列大卡 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(20px,2.6vw,32px)}
.plan-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(192,116,58,.45)}
.plan-figure{aspect-ratio:16/10;overflow:hidden;background:var(--bg-3)}
.plan-figure img{width:100%;height:100%;object-fit:cover;transition:transform var(--dur) var(--ease)}
.plan-card:hover .plan-figure img{transform:scale(1.04)}
.plan-body{display:flex;flex-direction:column;gap:12px;flex:1;padding:24px 28px 28px}
.plan-index{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;color:var(--accent);
}
.plan-body h3{font-family:var(--font-serif);font-size:22px;line-height:1.4;letter-spacing:-.01em}
.plan-body p{font-size:15px;color:var(--ink-2);line-height:1.85}
.card-link{
  margin-top:auto;padding-top:14px;
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--primary);
  transition:color var(--dur) var(--ease);
}
.card-link:hover{color:var(--accent)}
.card-link .arrow{transition:transform var(--dur) var(--ease)}
.card-link:hover .arrow{transform:translateX(3px)}

/* ---------- 核对要点清单 ---------- */
.checklist-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);
  gap:clamp(32px,5vw,72px);align-items:start;
}
.checklist-intro h2{
  font-family:var(--font-serif);font-size:clamp(26px,3.4vw,40px);
  line-height:1.22;letter-spacing:-.02em;margin-bottom:18px;
}
.checklist-intro p{font-size:15.5px;color:var(--ink-2);max-width:30em}
.checklist{position:relative;padding-left:26px}
.checklist::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;
  width:2px;background:var(--bg-3);
}
.checklist li{
  position:relative;padding:0 0 28px 0;
}
.checklist li:last-child{padding-bottom:0}
.checklist li::before{
  content:"";position:absolute;left:-26px;top:12px;width:2px;height:26px;
  background:var(--accent);
}
.c-num{
  display:block;font-family:var(--font-mono);font-size:13px;
  letter-spacing:.16em;color:var(--accent);margin-bottom:8px;
}
.checklist p{font-size:16px;line-height:1.85;color:var(--ink)}
.checklist p span{color:var(--ink-2)}

/* ---------- 订阅 CTA ---------- */
.cta-band{background:var(--primary);color:#F3EFE6}
.cta-inner{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:clamp(28px,4vw,64px);align-items:center;
}
.cta-band h2{
  font-family:var(--font-serif);font-size:clamp(26px,3.2vw,38px);
  line-height:1.24;letter-spacing:-.02em;margin-bottom:16px;
}
.cta-band p{font-size:15.5px;line-height:1.85;color:rgba(247,244,238,.76);max-width:34em}
.subscribe-form{display:flex;gap:12px;align-items:stretch}
.input{
  flex:1;min-width:0;padding:14px 18px;
  border-radius:var(--radius-input);border:1px solid rgba(247,244,238,.24);
  background:rgba(247,244,238,.06);color:#F7F4EE;font-size:15px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease);
}
.input::placeholder{color:rgba(247,244,238,.5)}
.input:focus{
  outline:none;border-color:var(--accent);background:rgba(247,244,238,.1);
  box-shadow:0 0 0 3px rgba(192,116,58,.24);
}
.privacy{margin-top:16px;font-size:12px;color:rgba(247,244,238,.56)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary-900);color:#CFC9BE;padding:clamp(52px,7vw,84px) 0 30px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:clamp(26px,3.4vw,48px);
}
.footer-brand{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--font-serif);font-size:20px;font-weight:700;color:#F7F4EE;
  margin-bottom:18px;
}
.footer-brand .logo-mark{background:var(--accent);color:#1B120A}
.footer-about{font-size:14.5px;line-height:1.85;color:rgba(207,201,190,.78);max-width:30em}
.footer-title{
  font-family:var(--font-mono);font-size:13px;letter-spacing:.14em;
  color:rgba(207,201,190,.6);margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:15px;color:#E4DED2;
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-links a:hover{color:var(--accent);transform:translateX(2px)}
.footer-note{font-size:14.5px;line-height:1.9;color:rgba(207,201,190,.78)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:clamp(36px,4vw,56px);padding-top:22px;
  border-top:1px solid rgba(247,244,238,.14);
  font-size:13px;color:rgba(207,201,190,.62);
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .pre-list{grid-template-columns:1fr 1fr}
  .plan-grid{grid-template-columns:1fr}
  .checklist-wrap{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .page-hero::after{
    background:linear-gradient(0deg,rgba(12,38,34,.95) 4%,rgba(12,38,34,.72) 52%,rgba(12,38,34,.36) 100%);
  }
}
@media (max-width:768px){
  .brand-row{height:68px}
  .logo{font-size:18px}
  .logo-mark{width:34px;height:34px;border-radius:10px}
  .hero-stats{gap:22px}
  .hero-stats li{min-width:96px}
  .section-head{margin-bottom:30px}
  .subscribe-form{flex-direction:column}
  .subscribe-form .btn{width:100%}
}
@media (max-width:520px){
  body{font-size:15.5px;line-height:1.8}
  .channel-inner{gap:20px}
  .pre-list{grid-template-columns:1fr}
  .plan-body{padding:20px 20px 24px}
  .plan-body h3{font-size:19px}
  .footer-grid{grid-template-columns:1fr}
  .btn{padding:13px 22px}
  .hero-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --primary:#10312C;
  --primary-600:#17453E;
  --primary-700:#0C2622;
  --accent:#C0743A;
  --bg:#F7F4EE;
  --bg-2:#ECE6DB;
  --bg-3:#E4DDD0;
  --card:#FFFFFF;
  --ink:#14110E;
  --ink-2:#5C544B;
  --ink-3:#8C8377;
  --line:rgba(20,17,14,.12);
  --radius-card:16px;
  --radius-btn:999px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(20,17,14,.05);
  --shadow-2:0 14px 32px -20px rgba(20,17,14,.32);
  --dur:.24s;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-sans:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease)}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:600;letter-spacing:-.02em;line-height:1.2}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 clamp(20px,5vw,48px)}
.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}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--dur) var(--ease),background var(--dur) var(--ease);
}
.site-header.is-stuck{background:rgba(247,244,238,.97);box-shadow:0 10px 28px -22px rgba(20,17,14,.6)}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:76px;transition:height var(--dur) var(--ease)}
.site-header.is-stuck .brand-row{height:50px}
.logo{display:flex;align-items:center;gap:12px;font-family:var(--font-serif);font-size:20px;font-weight:700;letter-spacing:-.01em;color:var(--primary)}
.logo-mark{
  width:34px;height:34px;border-radius:12px;background:var(--primary);color:#F7F4EE;
  display:grid;place-items:center;font-family:var(--font-mono);font-size:13px;letter-spacing:.06em;
  flex:none;transition:transform var(--dur) var(--ease);
}
.logo:hover .logo-mark{transform:translateY(-1px)}
.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:44px;height:44px;display:grid;place-items:center;border-radius:var(--radius-btn);
  background:transparent;border:1px solid var(--line);color:var(--ink-2);cursor:pointer;
  transition:all var(--dur) var(--ease);
}
.icon-btn:hover{border-color:var(--accent);color:var(--accent)}
.channel-row{position:relative;border-top:1px solid var(--line);transition:height var(--dur) var(--ease)}
.channel-inner{display:flex;align-items:center;gap:28px;height:48px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel-link{position:relative;font-size:15px;color:var(--ink-2);white-space:nowrap;padding:4px 0;transition:color var(--dur) var(--ease)}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform var(--dur) var(--ease);
}
.channel-link:hover{color:var(--ink)}
.channel-link:hover::after{transform:scaleX(1)}
.channel-link.is-active{color:var(--ink);font-weight:600}
.channel-link.is-active::after{transform:scaleX(1)}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);border:1px solid transparent;
  padding:14px 26px;font-size:15px;font-weight:600;cursor:pointer;
  min-height:44px;transition:all var(--dur) var(--ease);
}
.btn-sm{padding:9px 18px;font-size:14px;min-height:38px}
.btn-primary{background:var(--primary);color:#FFFFFF}
.btn-primary:hover{background:var(--primary-600);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:#F7F4EE;border-color:rgba(247,244,238,.4)}
.btn-ghost:hover{border-color:var(--accent);color:#EBC7A5}
.btn-outline{background:transparent;color:var(--primary);border-color:rgba(16,49,44,.28)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.btn-light{background:#FFFFFF;color:var(--primary)}
.btn-light:hover{background:var(--bg-2);transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{opacity:.6;cursor:not-allowed;transform:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);
}
.link-arrow::after{content:"→";transition:transform var(--dur) var(--ease)}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover::after{transform:translateX(3px)}

/* ============ breadcrumb ============ */
.breadcrumb-wrap{padding-top:28px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;font-family:var(--font-mono);font-size:13px;letter-spacing:.08em;color:var(--ink-3)}
.breadcrumb li{display:inline-flex;align-items:center}
.breadcrumb li:not(:last-child)::after{content:"/";margin:0 10px;color:var(--ink-3);opacity:.6}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb [aria-current="page"]{color:var(--ink-3)}

/* ============ channel hero ============ */
.channel-hero{
  margin-top:24px;
  color:#F7F4EE;
  background-image:
    linear-gradient(100deg,rgba(12,38,34,.94) 0%,rgba(16,49,44,.84) 50%,rgba(16,49,44,.62) 100%),
    url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  padding:clamp(48px,7vw,86px) 0 clamp(32px,5vw,52px);
}
.channel-hero-inner{
  display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,4vw,56px);align-items:center;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--radius-btn);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
}
.badge-accent{background:rgba(192,116,58,.2);color:#EBC7A5;border:1px solid rgba(192,116,58,.42)}
.channel-hero h1{
  margin-top:18px;color:#FFFFFF;font-size:clamp(32px,4.6vw,54px);line-height:1.14;
}
.lede{margin-top:16px;font-size:clamp(17px,1.6vw,20px);color:#EBC7A5;font-family:var(--font-serif)}
.channel-intro{margin-top:16px;font-size:16px;color:rgba(247,244,238,.78);max-width:650px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.channel-hero-figure{margin:0}
.channel-hero-figure img{
  width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-card);border:1px solid rgba(247,244,238,.2);
}
.channel-hero-figure figcaption{
  margin-top:12px;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:rgba(247,244,238,.62);
}
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:clamp(36px,4.5vw,52px);padding-top:26px;border-top:1px solid rgba(247,244,238,.2);
}
.stat-num{display:block;font-family:var(--font-mono);font-size:24px;letter-spacing:.04em;color:#FFFFFF}
.stat-label{display:block;margin-top:4px;font-size:13px;color:rgba(247,244,238,.7)}

/* ============ sections ============ */
.section{padding:clamp(56px,8vw,110px) 0}
.section-alt{background:var(--bg-2)}
.section-dark{background:var(--primary-700);color:#F2EFE9}
.section-head{max-width:780px;margin-bottom:clamp(28px,4vw,48px)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(26px,3.4vw,40px)}
.section-sub{margin-top:12px;font-size:16px;color:var(--ink-2)}
.section-dark .section-sub{color:rgba(242,239,233,.72)}
.section-dark h2{color:#FFFFFF}

/* ============ index list ============ */
.index-list{border-top:1px solid var(--line)}
.index-item{
  display:grid;grid-template-columns:80px 1fr 200px;gap:24px;align-items:start;
  padding:26px 2px;border-bottom:1px solid var(--line);
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.index-item:hover{background:rgba(255,255,255,.66)}
.index-no{
  font-family:var(--font-mono);font-size:20px;letter-spacing:.08em;color:var(--accent);padding-top:3px;
}
.index-body h3{font-size:20px}
.index-body p{margin-top:8px;font-size:15px;color:var(--ink-2);max-width:640px}
.index-meta{display:flex;flex-direction:column;align-items:flex-end;gap:10px;padding-top:4px}
.chip{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--radius-btn);
  background:rgba(192,116,58,.12);color:#8A4E1E;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
}

/* ============ steps ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step-card{
  background:rgba(247,244,238,.06);border:1px solid rgba(247,244,238,.16);
  border-radius:var(--radius-card);padding:26px 24px;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.step-card:hover{background:rgba(247,244,238,.1);border-color:rgba(192,116,58,.5);transform:translateY(-2px)}
.step-num{font-family:var(--font-mono);font-size:13px;letter-spacing:.14em;color:var(--accent)}
.step-card h3{margin-top:14px;font-size:18px;color:#FFFFFF}
.step-card p{margin-top:8px;font-size:14.5px;color:rgba(242,239,233,.74)}

/* ============ faq ============ */
.faq{max-width:820px;margin:0 auto;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:16px 0;font-size:17px;font-weight:600;
  cursor:pointer;list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";flex:none;font-family:var(--font-mono);font-size:20px;line-height:1;color:var(--accent);
  transition:transform var(--dur) var(--ease);
}
.faq details[open] summary::after{content:"−"}
.faq summary:hover{color:var(--primary)}
.faq-answer{
  padding:0 0 22px 20px;margin-left:2px;border-left:2px solid var(--accent);
  font-size:16px;line-height:1.85;color:var(--ink-2);
}

/* ============ cta band ============ */
.cta-band{background:var(--primary);color:#F7F4EE;padding:clamp(48px,6vw,76px) 0}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.cta-band h2{font-size:clamp(24px,3vw,34px);color:#FFFFFF}
.cta-band p{margin-top:10px;color:rgba(247,244,238,.75);font-size:15.5px}
.subscribe-form{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-start}
.subscribe-form input{
  flex:1 1 220px;min-height:48px;border-radius:var(--radius-input);
  border:1px solid rgba(247,244,238,.3);background:rgba(255,255,255,.08);
  padding:14px 18px;color:#FFFFFF;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.subscribe-form input::placeholder{color:rgba(247,244,238,.55)}
.subscribe-form input:focus{
  outline:none;border-color:#FFFFFF;box-shadow:0 0 0 3px rgba(192,116,58,.35);
}
.form-note{flex:1 1 100%;font-size:12px;color:rgba(247,244,238,.6)}

/* ============ footer ============ */
.site-footer{
  background:var(--primary-700);color:rgba(247,244,238,.8);
  padding:clamp(48px,6vw,80px) 0 28px;font-size:15px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{
  display:inline-flex;align-items:center;gap:12px;color:#FFFFFF;
  font-family:var(--font-serif);font-size:19px;font-weight:700;
}
.footer-brand .logo-mark{background:rgba(247,244,238,.14);color:#FFFFFF}
.footer-about{margin-top:16px;max-width:330px;font-size:14px;line-height:1.85;color:rgba(247,244,238,.66)}
.footer-title{
  margin-bottom:14px;font-family:var(--font-mono);font-size:13px;letter-spacing:.12em;color:rgba(247,244,238,.55);
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  display:inline-block;font-size:15px;
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-links a:hover{color:var(--accent);transform:translateX(2px)}
.footer-note{font-size:14px;line-height:1.95;color:rgba(247,244,238,.66)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:clamp(32px,4vw,48px);padding-top:20px;border-top:1px solid rgba(247,244,238,.14);
  font-family:var(--font-mono);font-size:13px;letter-spacing:.04em;color:rgba(247,244,238,.55);
}

/* ============ reveal ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ responsive ============ */
@media (max-width:1024px){
  .channel-hero-inner{grid-template-columns:1fr}
  .channel-hero-figure{order:-1}
  .index-item{grid-template-columns:64px 1fr}
  .index-meta{grid-column:2;flex-direction:row;align-items:center;justify-content:flex-start;padding-top:0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .brand-row{height:64px}
  .channel-inner{gap:20px}
  .channel-row::before,.channel-row::after{
    content:"";position:absolute;top:0;bottom:0;width:16px;pointer-events:none;z-index:2;
  }
  .channel-row::before{left:0;background:linear-gradient(90deg,rgba(247,244,238,.96),rgba(247,244,238,0))}
  .channel-row::after{right:0;background:linear-gradient(270deg,rgba(247,244,238,.96),rgba(247,244,238,0))}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:20px}
  .index-item{grid-template-columns:1fr;gap:10px;padding:22px 2px}
  .index-no{font-size:16px}
  .steps{grid-template-columns:1fr}
  .section-head{max-width:100%}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .logo{font-size:18px}
  .logo-mark{width:30px;height:30px}
  .btn{padding:12px 22px;font-size:14.5px}
  .hero-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .channel-hero{padding-top:40px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
}