/* roulang page: index */
:root{
  --ink:#14160F;
  --ink-soft:#3A3F36;
  --paper:#F5F3ED;
  --surface:#FFFFFF;
  --line:#E3DFD3;
  --brand:#1E5B45;
  --brand-dark:#0E2E24;
  --accent:#C1552D;
  --radius-card:6px;
  --radius-btn:2px;
  --radius-input:2px;
  --shadow-hover:0 12px 32px rgba(20,22,15,.08);
  --dur:220ms;
  --ease:cubic-bezier(.2,.7,.3,1);
  --space-section:96px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-num:"Inter","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:1.9;
  color:var(--ink-soft);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-sans);
  color:var(--ink);
  margin:0 0 16px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
}
h1{font-size:clamp(32px,5vw,56px);line-height:1.15;font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(24px,3.2vw,34px);line-height:1.25;font-weight:700}
h3{font-size:clamp(18px,2vw,22px);font-weight:600}
p{margin:0 0 20px}
p:last-child{margin-bottom:0}
a{color:var(--brand);text-decoration:none;transition:color var(--dur) var(--ease)}
a:hover,a:focus{color:var(--brand-dark)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-card)}
ul,ol{margin:0 0 20px;padding-left:20px}
li{margin-bottom:8px}
time,.num{font-variant-numeric:tabular-nums}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
::selection{background:rgba(193,85,45,.18);color:var(--ink)}

/* ===== 布局骨架 ===== */
.grid-container{
  max-width:1200px;
  padding-left:40px;
  padding-right:40px;
  margin-left:auto;
  margin-right:auto;
}
.section{padding:var(--space-section) 0;position:relative}
.section--tight{padding:calc(var(--space-section) * .68) 0}
.section--paper{background:var(--paper)}
.section--surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head__text{max-width:640px}
.section-head h2{margin-bottom:10px}
.section-head p{margin-bottom:0;font-size:15px;color:var(--ink-soft)}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:.04em;
  color:var(--ink-soft);
  margin-bottom:16px;
  font-weight:600;
}
.kicker__num{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--accent);font-weight:700;letter-spacing:.06em}
.kicker__line{display:inline-block;width:1px;height:14px;background:var(--line)}

/* ===== 按钮与链接 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:14px 26px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  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);
  text-align:center;
}
.btn__arrow{transition:transform var(--dur) var(--ease);font-family:var(--font-num)}
.btn--primary{background:var(--ink);color:var(--paper)}
.btn--primary:hover,.btn--primary:focus{background:var(--brand-dark);color:var(--paper)}
.btn--primary:hover .btn__arrow{transform:translateX(4px)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--ghost:hover,.btn--ghost:focus{background:var(--ink);color:var(--paper)}
.btn--ghost:hover .btn__arrow{transform:translateX(4px)}
.btn--light{background:var(--paper);color:var(--brand-dark)}
.btn--light:hover,.btn--light:focus{background:var(--surface);color:var(--brand-dark)}
.btn--outline-light{background:transparent;color:var(--paper);border-color:rgba(245,243,237,.55)}
.btn--outline-light:hover,.btn--outline-light:focus{background:rgba(245,243,237,.12);color:var(--paper);border-color:var(--paper)}
.link-arrow{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--ink);
  font-weight:600;
  font-size:15px;
  padding-bottom:2px;
}
.link-arrow::after{
  content:"";
  position:absolute;
  left:0;bottom:-2px;
  width:100%;height:1px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.link-arrow:hover{color:var(--brand)}
.link-arrow:hover::after{transform:scaleX(1)}
.link-arrow span{font-family:var(--font-num);transition:transform var(--dur) var(--ease)}
.link-arrow:hover span{transform:translateX(3px)}

/* ===== 导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:rgba(245,243,237,.96);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  border-bottom:1px solid transparent;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-header.is-stuck{
  background:rgba(245,243,237,.92);
  border-bottom-color:var(--line);
  box-shadow:0 6px 18px rgba(20,22,15,.05);
}
.nav-main__inner{
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  transition:height var(--dur) var(--ease);
}
.site-header.is-stuck .nav-main__inner{height:56px}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-weight:800;
  font-size:17px;
  letter-spacing:-.01em;
  white-space:nowrap;
  flex:0 0 auto;
}
.brand:hover{color:var(--brand-dark)}
.brand__mark{
  width:22px;height:22px;
  border-radius:4px;
  background:var(--brand);
  position:relative;
  flex:0 0 auto;
}
.brand__mark::after{
  content:"";
  position:absolute;
  inset:6px;
  border-left:2px solid var(--paper);
  border-bottom:2px solid var(--paper);
  transform:rotate(-45deg) translate(1px,-1px);
}
.nav-links{display:flex;align-items:center;gap:26px;flex:1 1 auto;justify-content:center}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--ink-soft);
  font-weight:500;
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:100%;height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.icon-btn{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  color:var(--ink-soft);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.icon-btn:hover{border-color:var(--ink);color:var(--ink);background:var(--surface)}
.icon-btn svg{width:16px;height:16px}
.nav-hot{
  font-size:14px;
  color:var(--ink-soft);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  white-space:nowrap;
}
.nav-hot:hover{color:var(--ink);border-bottom-color:var(--accent)}
.burger{display:none;width:38px;height:38px;background:transparent;border:1px solid var(--line);border-radius:var(--radius-btn);padding:0}
.burger span{display:block;width:16px;height:1.5px;background:var(--ink);margin:3px auto;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.trend-bar{border-top:1px solid var(--line);background:rgba(255,255,255,.55)}
.trend-bar__inner{
  height:36px;
  display:flex;
  align-items:center;
  gap:12px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.trend-bar__inner::-webkit-scrollbar{display:none}
.trend-bar__label{
  font-size:12px;
  letter-spacing:.08em;
  color:var(--ink-soft);
  flex:0 0 auto;
  font-weight:600;
}
.pill{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:12.5px;
  color:var(--ink-soft);
  white-space:nowrap;
  background:var(--surface);
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.pill:hover{border-color:var(--brand);color:var(--brand);background:rgba(30,91,69,.06)}
.search-drawer{
  max-height:0;
  overflow:hidden;
  border-top:1px solid transparent;
  transition:max-height var(--dur) var(--ease),border-color var(--dur) var(--ease);
  background:rgba(255,255,255,.9);
}
.search-drawer.is-open{max-height:96px;border-top-color:var(--line)}
.search-form{
  display:flex;
  align-items:center;
  gap:12px;
  padding:16px 0;
}
.search-form input[type="search"]{
  flex:1 1 auto;
  height:44px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  background:var(--surface);
  color:var(--ink);
  font-size:15px;
  margin:0;
}
.search-form input[type="search"]:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(193,85,45,.15)}
.search-form .btn{padding:0 22px;height:44px}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:500;
  background:var(--paper);
  display:flex;
  flex-direction:column;
  padding:24px;
  transform:translateX(100%);
  visibility:hidden;
  transition:transform var(--dur) var(--ease),visibility var(--dur) var(--ease);
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);visibility:visible}
.mobile-drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}
.mobile-drawer__nav{display:flex;flex-direction:column;gap:4px;margin-bottom:auto}
.mobile-drawer__nav a{
  font-size:18px;
  color:var(--ink);
  padding:14px 0;
  border-bottom:1px solid var(--line);
  font-weight:600;
}
.mobile-drawer__nav a.is-active{color:var(--brand)}
.mobile-drawer__foot{margin-top:32px;font-size:13px;color:var(--ink-soft)}
.close-btn{width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-btn);background:transparent;font-size:20px;line-height:1;color:var(--ink)}

/* ===== Hero ===== */
.hero{
  padding:72px 0 56px;
  background:
    radial-gradient(circle at 88% 12%, rgba(30,91,69,.07), transparent 46%),
    var(--paper);
  border-bottom:1px solid var(--line);
}
.hero__grid{align-items:center}
.hero__text{max-width:640px}
.hero__eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:.04em;
  color:var(--ink-soft);
  border:1px solid var(--line);
  background:var(--surface);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:22px;
}
.hero__eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;font-style:normal}
.hero h1{margin-bottom:20px}
.hero__sub{font-size:17px;line-height:1.8;color:var(--ink-soft);max-width:520px;margin-bottom:28px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.hero__note{font-size:13px;letter-spacing:.02em;color:var(--ink-soft);margin:0}
.hero__media{
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface);
}
.hero__media img{width:100%;height:100%;aspect-ratio:4/5;object-fit:cover;border-radius:0}
.hero__media::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(245,243,237,.06);
  pointer-events:none;
}
.hero__media figcaption{
  position:absolute;
  left:16px;bottom:16px;
  font-size:12.5px;
  letter-spacing:.02em;
  color:var(--paper);
  background:rgba(14,46,36,.72);
  border-radius:2px;
  padding:6px 12px;
  backdrop-filter:blur(4px);
}
.hero-strip{
  margin-top:44px;
  border-top:1px solid var(--line);
  padding-top:20px;
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
}
.hero-strip__label{font-size:12px;letter-spacing:.08em;color:var(--ink-soft);font-weight:600}

/* ===== 理念区 ===== */
.principles__head h2{max-width:340px;margin-bottom:16px}
.principles__head p{font-size:15px;color:var(--ink-soft)}
.principles__list{display:flex;flex-direction:column}
.principle-item{
  display:flex;
  gap:24px;
  padding:24px 0;
  border-top:1px solid var(--line);
}
.principle-item:first-child{border-top:none;padding-top:0}
.principle-item__num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--accent);
  padding-top:4px;
  flex:0 0 40px;
}
.principle-item h3{margin-bottom:8px;font-size:19px}
.principle-item p{font-size:15px;margin-bottom:0;max-width:560px}

/* ===== 卡片 ===== */
.card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  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-hover);border-color:#D6D1C2}
.card__media{position:relative;overflow:hidden;background:var(--paper)}
.card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform var(--dur) var(--ease)}
.card:hover .card__media img{transform:scale(1.02)}
.card__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.card__title{font-size:20px;margin-bottom:10px;line-height:1.45}
.card__title a{color:var(--ink)}
.card__title a:hover{color:var(--brand)}
.card__desc{
  font-size:15px;
  color:var(--ink-soft);
  margin-bottom:18px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card__foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  border-top:1px solid var(--line);
  padding-top:14px;
  font-size:13px;
  color:var(--ink-soft);
}
.badge{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 9px;
  font-size:12px;
  letter-spacing:.03em;
  color:var(--accent);
  border:1px solid rgba(193,85,45,.45);
  border-radius:2px;
  background:rgba(193,85,45,.05);
  font-weight:600;
}
.card--wide .card__title{font-size:23px}
.card--wide .card__media img{aspect-ratio:16/9}
.card--mini .card__title{font-size:17px}
.card--mini .card__body{padding:18px 20px 20px}
.card--mini .card__media img{aspect-ratio:16/10}
.card-stack{display:flex;flex-direction:column;gap:24px;height:100%}
.card-stack .card{flex:1 1 auto}

/* ===== 信任带 ===== */
.trust-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
.trust-band__grid{display:flex;flex-wrap:wrap;align-items:stretch}
.trust-item{
  flex:1 1 25%;
  min-width:200px;
  padding:32px 28px;
  border-left:1px solid var(--line);
}
.trust-item:first-child{border-left:none;padding-left:0}
.trust-item__num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:32px;
  font-weight:800;
  color:var(--brand);
  line-height:1.1;
  margin-bottom:8px;
  letter-spacing:-.02em;
}
.trust-item__num small{font-size:15px;font-weight:600;margin-left:4px;color:var(--ink-soft)}
.trust-item h3{font-size:15px;margin-bottom:6px;font-weight:700}
.trust-item p{font-size:13.5px;margin:0;color:var(--ink-soft);line-height:1.75}

/* ===== CMS 列表 ===== */
.post-list{display:flex;flex-direction:column}
.post-item{
  padding:24px 0;
  border-bottom:1px solid var(--line);
  transition:background var(--dur) var(--ease);
}
.post-item:first-child{padding-top:0}
.post-item__meta{display:flex;align-items:center;gap:12px;margin-bottom:10px;font-size:13px;color:var(--ink-soft)}
.post-item h3{font-size:19px;margin-bottom:8px;line-height:1.5}
.post-item h3 a{color:var(--ink)}
.post-item h3 a:hover{color:var(--brand)}
.post-item p{
  font-size:15px;
  margin-bottom:12px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.empty-state{
  padding:48px 0;
  text-align:center;
  color:#9A9C93;
  font-size:15px;
}
.empty-state .btn{margin-top:18px}
.side-panel{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--surface);
  padding:24px;
  margin-bottom:24px;
}
.side-panel h3{font-size:15px;letter-spacing:.04em;margin-bottom:16px;color:var(--ink)}
.side-list{list-style:none;padding:0;margin:0}
.side-list li{margin-bottom:0;border-top:1px solid var(--line)}
.side-list li:first-child{border-top:none}
.side-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:12px 0;
  font-size:14.5px;
  color:var(--ink-soft);
}
.side-list a:hover{color:var(--brand)}
.side-list a span{font-family:var(--font-num);color:var(--accent);font-size:13px}
.side-tags{display:flex;flex-wrap:wrap;gap:8px}

/* ===== FAQ ===== */
.faq-list{border-top:1px solid var(--line);max-width:880px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;
  background:transparent;
  border:none;
  padding:22px 0;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:24px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  line-height:1.6;
}
.faq-q:hover{color:var(--brand)}
.faq-q .plus{
  flex:0 0 auto;
  width:18px;height:18px;
  position:relative;
  margin-top:4px;
  transition:transform 300ms var(--ease);
}
.faq-q .plus::before,
.faq-q .plus::after{
  content:"";
  position:absolute;
  background:var(--accent);
  border-radius:1px;
}
.faq-q .plus::before{left:0;top:8px;width:18px;height:2px}
.faq-q .plus::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .plus{transform:rotate(90deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 300ms var(--ease);
}
.faq-a__inner{
  padding:0 0 24px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-soft);
  max-width:720px;
}

/* ===== CTA 带 ===== */
.cta-band{background:var(--brand-dark);color:rgba(245,243,237,.82);padding:80px 0}
.cta-band h2{color:var(--paper);max-width:640px}
.cta-band p{color:rgba(245,243,237,.78);font-size:16px;max-width:560px}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:8px}
.cta-band .kicker{color:rgba(245,243,237,.7)}
.cta-band .kicker__line{background:rgba(245,243,237,.35)}
.cta-band__side{
  border-left:1px solid rgba(245,243,237,.2);
  padding-left:32px;
}
.cta-band__side h3{color:var(--paper);font-size:16px;margin-bottom:14px}
.cta-band__side ul{list-style:none;padding:0;margin:0}
.cta-band__side li{
  font-size:14px;
  color:rgba(245,243,237,.72);
  padding:8px 0;
  border-bottom:1px solid rgba(245,243,237,.12);
  margin-bottom:0;
}
.cta-band__side li:last-child{border-bottom:none}

/* ===== 页脚 ===== */
.site-footer{background:var(--brand-dark);color:rgba(245,243,237,.8);padding:72px 0 0;font-size:14px}
.site-footer a{color:rgba(245,243,237,.8)}
.site-footer a:hover{color:var(--paper)}
.footer-grid{padding-bottom:48px;border-bottom:1px solid rgba(245,243,237,.16)}
.brand--footer{color:var(--paper);font-size:19px;margin-bottom:14px}
.brand--footer:hover{color:var(--paper)}
.brand--footer .brand__mark{background:rgba(245,243,237,.16)}
.brand--footer .brand__mark::after{border-color:var(--paper)}
.footer-brand p{font-size:14px;color:rgba(245,243,237,.7);max-width:260px;margin-bottom:0}
.footer-col h4{color:var(--paper);font-size:14px;letter-spacing:.06em;margin-bottom:16px;font-weight:700}
.footer-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px}
.footer-links li{margin:0}
.footer-links a{font-size:14px;display:inline-block;padding:5px 0;position:relative;color:rgba(245,243,237,.8)}
.footer-links a::after{
  content:"";position:absolute;left:0;bottom:2px;width:100%;height:1px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform var(--dur) var(--ease);
}
.footer-links a:hover::after{transform:scaleX(1)}
.footer-links--two{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
.footer-contact p{font-size:13.5px;color:rgba(245,243,237,.68);margin-bottom:10px;line-height:1.8}
.footer-qr{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-qr__box{
  width:104px;height:104px;
  border:1px solid rgba(245,243,237,.28);
  border-radius:var(--radius-card);
  background:
    repeating-linear-gradient(0deg, rgba(245,243,237,.14) 0 6px, transparent 6px 12px),
    repeating-linear-gradient(90deg, rgba(245,243,237,.14) 0 6px, transparent 6px 12px);
}
.footer-qr span{font-size:12.5px;color:rgba(245,243,237,.6)}
.footer-bottom{
  padding:24px 0 28px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12.5px;
  color:rgba(245,243,237,.55);
}
.footer-bottom p{margin:0}
.footer-bottom .sep{opacity:.4;margin:0 8px}

/* ===== 入场动效 ===== */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms var(--ease),transform 520ms var(--ease)}
.js .reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .js .reveal{opacity:1;transform:none}
}

/* ===== 响应式 ===== */
@media screen and (max-width:1120px){
  .nav-links{gap:18px}
  .nav-link{font-size:14px}
  .nav-hot{display:none}
}
@media screen and (max-width:1023px){
  :root{--space-section:72px}
  .nav-links{display:none}
  .burger{display:inline-block}
  .hero{padding:56px 0 48px}
  .hero__text{max-width:none;margin-bottom:36px}
  .hero__media{max-width:520px}
  .hero__media img{aspect-ratio:16/11}
  .principles__head{margin-bottom:32px}
  .trust-item{flex:1 1 50%;padding:28px 24px}
  .trust-item:nth-child(odd){border-left:none;padding-left:0}
  .trust-item:nth-child(1),.trust-item:nth-child(2){border-bottom:1px solid var(--line)}
  .cta-band{padding:64px 0}
  .cta-band__side{border-left:none;padding-left:0;border-top:1px solid rgba(245,243,237,.2);padding-top:24px;margin-top:28px}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:24px;padding-right:24px}
  .section-head{margin-bottom:28px}
  .hero__eyebrow{font-size:12px}
  .hero__sub{font-size:16px}
  .card-stack{gap:16px;margin-top:16px}
  .footer-grid{padding-bottom:36px}
  .footer-col{margin-bottom:32px}
  .footer-qr{flex-direction:row;align-items:center;gap:16px}
}
@media screen and (max-width:639px){
  :root{--space-section:56px}
  .grid-container{padding-left:20px;padding-right:20px}
  .brand{font-size:16px}
  .hero{padding:44px 0 40px}
  .hero__actions{gap:10px}
  .hero__actions .btn{width:100%;justify-content:center}
  .hero__media img{aspect-ratio:4/3}
  .trust-item{flex:1 1 100%;padding:22px 0;border-left:none;border-bottom:1px solid var(--line)}
  .trust-item:last-child{border-bottom:none}
  .trust-item__num{font-size:28px}
  .principle-item{gap:14px}
  .principle-item__num{flex:0 0 30px}
  .card__body{padding:18px 18px 20px}
  .post-item h3{font-size:17px}
  .search-form{flex-wrap:wrap;padding:14px 0}
  .search-form input[type="search"]{flex:1 1 100%}
  .search-form .btn{width:100%;justify-content:center}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
}

/* roulang page: article */
:root{
  --ink:#14160F;
  --ink-soft:#3A3F36;
  --paper:#F5F3ED;
  --surface:#FFFFFF;
  --line:#E3DFD3;
  --brand:#1E5B45;
  --brand-dark:#0E2E24;
  --accent:#C1552D;
  --radius-card:6px;
  --radius-btn:2px;
  --shadow-hover:0 12px 32px rgba(20,22,15,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-num:"Inter","SF Mono","Roboto Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease);}
a:hover,a:focus{color:var(--accent);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 20px;}
h1,h2,h3,h4{margin:0;color:var(--ink);}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

.grid-container{max-width:1200px;padding-left:40px;padding-right:40px;margin-left:auto;margin-right:auto;}
@media screen and (max-width:640px){
  .grid-container{padding-left:20px;padding-right:20px;}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,243,237,.92);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.header-main{height:64px;transition:height .22s var(--ease);}
.site-header.is-compact .header-main{height:56px;}
.header-main__inner{display:flex;align-items:center;gap:24px;height:100%;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;letter-spacing:-.01em;flex-shrink:0;}
.brand:hover{color:var(--ink);}
.brand__mark{position:relative;width:22px;height:22px;border-radius:3px;background:var(--brand);flex-shrink:0;}
.brand__mark::after{content:"";position:absolute;inset:6px;border:1.5px solid var(--paper);border-radius:1px;}
.brand__text{font-size:17px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:22px;flex:1;min-width:0;}
.nav-link{position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--ink-soft);white-space:nowrap;}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);transition:width .22s var(--ease);}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after,.nav-link.is-active::after{width:100%;}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.header-tools{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0;}
.icon-btn,.menu-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:var(--radius-btn);
  color:var(--ink-soft);border:1px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.icon-btn:hover,.menu-btn:hover{background:var(--surface);color:var(--ink);border-color:var(--line);}
.header-hot{
  font-size:13px;letter-spacing:.04em;color:var(--brand);
  border:1px solid rgba(30,91,69,.32);border-radius:999px;
  padding:4px 12px;background:var(--surface);
}
.header-hot:hover{background:var(--brand);color:var(--paper);border-color:var(--brand);}
.menu-btn{display:none;}

.trend-bar{height:36px;border-top:1px solid var(--line);overflow-x:auto;overflow-y:hidden;}
.trend-bar::-webkit-scrollbar{display:none;}
.trend-bar{scrollbar-width:none;}
.trend-bar__inner{display:flex;align-items:center;gap:8px;height:100%;white-space:nowrap;}
.trend-pill{
  display:inline-block;font-size:13px;letter-spacing:.04em;
  padding:3px 12px;border:1px solid var(--line);border-radius:999px;
  color:var(--ink-soft);background:var(--surface);
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.trend-pill:hover{border-color:var(--accent);color:var(--accent);}

.search-panel{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);border-top:0 solid var(--line);}
.search-panel.is-open{max-height:120px;border-top:1px solid var(--line);}
.search-panel__inner{padding:14px 0;}
.search-form{display:flex;gap:10px;align-items:center;}
.search-form input[type="search"]{
  flex:1;height:44px;padding:0 14px;font-size:15px;color:var(--ink);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-btn);
  transition:border-color .22s var(--ease);
}
.search-form input[type="search"]::placeholder{color:#9B978A;}
.search-form input[type="search"]:focus{outline:none;border-color:var(--accent);}
.search-form button{
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  background:var(--ink);color:var(--paper);font-size:15px;font-weight:600;
  transition:background .22s var(--ease);
}
.search-form button:hover{background:var(--brand-dark);}

.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;left:0;z-index:90;
  background:var(--paper);padding:20px 24px 32px;
  display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .26s var(--ease);
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
body.drawer-open{overflow:hidden;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--surface);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:20px 0;}
.drawer-nav a{font-size:18px;font-weight:600;color:var(--ink);padding:12px 0;border-bottom:1px solid var(--line);}
.drawer-nav a:hover{color:var(--brand);}
.drawer-foot{margin-top:auto;padding-top:24px;font-size:13px;color:var(--ink-soft);letter-spacing:.04em;}
.drawer-foot strong{display:block;color:var(--ink);font-size:15px;margin-bottom:6px;}

@media screen and (max-width:1023px){
  .nav-links{display:none;}
  .menu-btn{display:inline-flex;}
  .header-main__inner{gap:14px;}
}
@media screen and (max-width:640px){
  .header-hot{display:none;}
  .brand__text{font-size:16px;}
  .trend-bar__inner{padding-right:4px;}
}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:44px;padding:12px 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn .arrow{transition:transform .22s var(--ease);}
.btn:hover .arrow{transform:translateX(4px);}
.btn-primary{background:var(--ink);color:var(--paper);border:1px solid var(--ink);}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:var(--paper);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);}
.btn-light{background:transparent;color:var(--paper);border:1px solid rgba(245,243,237,.5);}
.btn-light:hover{background:var(--paper);color:var(--brand-dark);border-color:var(--paper);}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:26px 0 0;font-size:13px;letter-spacing:.04em;color:var(--ink-soft);
}
.breadcrumb a{color:var(--ink-soft);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#B7B2A2;}
.breadcrumb .current{color:var(--ink);}

/* ---------- 文章布局 ---------- */
.article-wrap{padding:0 0 8px;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,720px) 240px;
  gap:56px;justify-content:center;align-items:start;
  padding-top:28px;
}
@media screen and (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,720px);gap:0;}
}
.article-main{min-width:0;}

.article-head{padding-bottom:30px;border-bottom:1px solid var(--line);}
.channel-tag{
  display:inline-block;font-size:13px;letter-spacing:.06em;
  color:var(--accent);background:#FBEEE7;
  border:1px solid rgba(193,85,45,.32);border-radius:2px;padding:2px 9px;
}
.article-title{
  font-size:clamp(30px,4.2vw,44px);line-height:1.2;font-weight:800;
  letter-spacing:-.02em;margin:16px 0 18px;color:var(--ink);
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;font-size:13px;color:var(--ink-soft);letter-spacing:.04em;}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:#B7B2A2;display:inline-block;}
.meta-row .num{font-variant-numeric:tabular-nums;}

.toc-mobile{
  display:none;margin:26px 0 0;padding:12px 16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
}
.toc-mobile summary{font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none;}
.toc-mobile summary::-webkit-details-marker{display:none;}
.toc-mobile summary::before{content:"≡";margin-right:8px;color:var(--brand);}
@media screen and (max-width:1279px){
  .toc-mobile{display:block;}
}

.article-body{
  font-size:16px;line-height:1.9;color:var(--ink-soft);
  padding:34px 0 8px;
  word-break:break-word;
}
.article-body h2{
  font-size:clamp(22px,2.6vw,28px);font-weight:700;line-height:1.4;
  color:var(--ink);letter-spacing:-.01em;
  margin:44px 0 16px;padding-top:24px;border-top:1px solid var(--line);
  scroll-margin-top:120px;
}
.article-body h2:first-child{margin-top:0;padding-top:0;border-top:0;}
.article-body h3{font-size:20px;font-weight:600;color:var(--ink);line-height:1.5;margin:32px 0 12px;scroll-margin-top:120px;}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:24px 0 10px;}
.article-body p{margin:0 0 20px;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(30,91,69,.28);}
.article-body a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:1.35em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:8px;}
.article-body li::marker{color:var(--brand);}
.article-body ol li::marker{font-family:var(--font-num);color:var(--accent);}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  background:var(--surface);border-left:3px solid var(--accent);
  border-radius:0 var(--radius-card) var(--radius-card) 0;
  color:var(--ink);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-card);margin:26px 0 8px;width:100%;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:#8A8678;letter-spacing:.04em;margin-top:8px;}
.article-body strong{color:var(--ink);}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;
  border-top:1px solid var(--line);
}
.article-body th,.article-body td{
  padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);
  vertical-align:top;
}
.article-body th{font-weight:600;color:var(--ink);background:rgba(30,91,69,.04);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0;}
@media screen and (max-width:640px){
  .article-body{font-size:15.5px;line-height:1.9;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch;}
}

.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line);}
.tag{
  display:inline-block;font-size:13px;letter-spacing:.04em;
  padding:4px 10px;color:var(--ink-soft);background:var(--surface);
  border:1px solid var(--line);border-radius:2px;
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.tag:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- 侧边目录 ---------- */
.toc{position:sticky;top:120px;padding-top:36px;}
@media screen and (max-width:1279px){.toc{display:none;}}
.toc__title{
  font-size:13px;letter-spacing:.12em;color:#8A8678;
  margin-bottom:12px;font-weight:600;
}
.toc__list{border-left:1px solid var(--line);}
.toc__list a{
  display:block;margin-left:-1px;padding:8px 0 8px 14px;
  font-size:14px;line-height:1.6;color:var(--ink-soft);
  border-left:2px solid transparent;
  transition:color .22s var(--ease),border-color .22s var(--ease);
}
.toc__list a:hover{color:var(--ink);}
.toc__list a.is-current{color:var(--accent);border-left-color:var(--accent);}
.toc .toc__list{margin-bottom:0;}
.toc-mobile .toc__list{margin-top:12px;}

/* ---------- 空态 ---------- */
.empty-state{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:56px 28px;text-align:center;margin:34px 0 8px;
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:12px;}
.empty-state p{font-size:15px;color:var(--ink-soft);margin-bottom:22px;}

/* ---------- 相关推荐 ---------- */
.related{padding:64px 0 0;border-top:1px solid var(--line);margin-top:56px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap;}
.section-title{font-size:clamp(22px,2.8vw,28px);font-weight:700;letter-spacing:-.01em;}
.section-sub{font-size:13px;color:var(--ink-soft);letter-spacing:.04em;margin-top:6px;}
.related-list{display:grid;gap:14px;max-width:720px;}
.related-item{
  display:grid;grid-template-columns:150px minmax(0,1fr) 24px;
  gap:20px;align-items:center;
  padding:14px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);
  transition:box-shadow .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
}
.related-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#D6D1C2;}
.related-item__thumb{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-card);
  transition:transform .22s var(--ease);
}
.related-item:hover .related-item__thumb{transform:scale(1.02);}
.related-item__body{min-width:0;}
.related-item__kicker{font-size:12px;letter-spacing:.08em;color:var(--accent);}
.related-item__title{
  font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.5;
  margin:4px 0 6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-item:hover .related-item__title{color:var(--brand);}
.related-item__desc{
  font-size:14px;color:var(--ink-soft);line-height:1.7;margin:0 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-item__meta{font-size:12.5px;color:#8A8678;letter-spacing:.04em;font-variant-numeric:tabular-nums;}
.related-item__arrow{color:var(--ink-soft);font-size:18px;transition:transform .22s var(--ease),color .22s var(--ease);}
.related-item:hover .related-item__arrow{transform:translateX(4px);color:var(--accent);}
@media screen and (max-width:640px){
  .related-item{grid-template-columns:104px minmax(0,1fr);gap:14px;}
  .related-item__arrow{display:none;}
  .related-item__desc{display:none;}
}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--brand-dark);padding:64px 0;margin-top:64px;}
.cta-band__inner{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;}
.cta-band h2{color:var(--paper);font-size:clamp(22px,3vw,30px);font-weight:700;letter-spacing:-.01em;line-height:1.35;}
.cta-band p{color:rgba(245,243,237,.72);font-size:15px;margin:10px 0 0;max-width:620px;}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap;}
@media screen and (max-width:860px){
  .cta-band__inner{grid-template-columns:1fr;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-dark);color:rgba(245,243,237,.8);padding:64px 0 28px;}
.site-footer h4{color:var(--paper);font-size:15px;font-weight:600;margin-bottom:14px;letter-spacing:.04em;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(245,243,237,.72);margin:0 0 10px;}
.footer-grid{gap:40px 24px;}
.footer-brand .brand{color:var(--paper);margin-bottom:14px;}
.footer-brand .brand:hover{color:var(--paper);}
.footer-brand .brand__mark{background:var(--paper);}
.footer-brand .brand__mark::after{border-color:var(--brand-dark);}
.footer-links li{margin-bottom:8px;}
.footer-links a{font-size:14px;color:rgba(245,243,237,.78);position:relative;}
.footer-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--accent);transition:width .22s var(--ease);}
.footer-links a:hover{color:var(--paper);}
.footer-links a:hover::after{width:100%;}
.footer-links--two{display:grid;grid-template-columns:1fr 1fr;gap:0 16px;}
.footer-qr__box{
  width:88px;height:88px;border-radius:var(--radius-card);
  border:1px dashed rgba(245,243,237,.35);
  background:rgba(245,243,237,.05);margin-bottom:10px;
}
.footer-qr span{font-size:13px;letter-spacing:.04em;color:rgba(245,243,237,.6);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(245,243,237,.16);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(245,243,237,.6);margin:0;letter-spacing:.03em;}
.footer-bottom .sep{margin:0 8px;color:rgba(245,243,237,.35);}
@media screen and (max-width:640px){
  .site-footer{padding:48px 0 24px;}
  .footer-links--two{grid-template-columns:1fr 1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* ---------- 入场动效 ---------- */
@media (prefers-reduced-motion:no-preference){
  .fade-up{opacity:0;transform:translateY(12px);animation:fadeUp .6s var(--ease) forwards;}
  @keyframes fadeUp{to{opacity:1;transform:none;}}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --ink:#14160F;
  --ink-soft:#3A3F36;
  --paper:#F5F3ED;
  --surface:#FFFFFF;
  --line:#E3DFD3;
  --brand:#1E5B45;
  --brand-dark:#0E2E24;
  --accent:#C1552D;
  --r-card:6px;
  --r-btn:2px;
  --shadow-hover:0 12px 32px rgba(20,22,15,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;overflow-x:hidden;
  background:var(--paper);color:var(--ink-soft);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.9;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25;font-weight:700}
h1{font-size:clamp(30px,3.6vw,44px);line-height:1.2;letter-spacing:-.02em;font-weight:800}
h2{font-size:clamp(24px,2.4vw,32px);letter-spacing:-.01em}
h3{font-size:20px;font-weight:600}
p{margin:0 0 20px;color:var(--ink-soft)}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color 220ms var(--ease),border-color 220ms var(--ease)}
a:hover,a:focus{color:var(--brand-dark)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit;font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
.grid-container{max-width:1200px;padding-left:40px;padding-right:40px}
.grid-x > .cell{padding-left:0;padding-right:0}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x > .cell{padding-left:12px;padding-right:12px}
.mono{font-family:"Inter","SFMono-Regular",ui-monospace,"Menlo","Consolas",monospace;font-variant-numeric:tabular-nums}

/* ===== 吸顶导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(245,243,237,.92);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow 220ms var(--ease);
}
.site-header.is-compact{box-shadow:0 6px 20px rgba(20,22,15,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;transition:height 220ms var(--ease)}
.site-header.is-compact .header-inner{height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;letter-spacing:-.01em;font-size:17px;white-space:nowrap}
.brand:hover{color:var(--ink)}
.brand__mark{position:relative;width:22px;height:22px;border:2px solid var(--brand);border-radius:3px;flex:0 0 auto}
.brand__mark::after{content:"";position:absolute;left:4px;top:4px;width:10px;height:10px;background:var(--brand);border-radius:1px;transition:transform 220ms var(--ease)}
.brand:hover .brand__mark::after{transform:translate(2px,2px)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{position:relative;padding:6px 0;font-size:15px;color:var(--ink-soft);white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);transition:width 220ms var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{width:100%}
.header-tools{display:flex;align-items:center;gap:14px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;border-radius:2px;color:var(--ink-soft);transition:color 200ms var(--ease),background 200ms var(--ease)}
.icon-btn:hover{color:var(--brand);background:rgba(30,91,69,.06)}
.icon-btn svg{width:18px;height:18px}
.hot-entry{font-size:14px;color:var(--brand);border-bottom:1px solid transparent;padding:4px 0}
.hot-entry:hover{border-bottom-color:var(--accent)}
.menu-toggle{display:none}
.trend-bar{border-top:1px solid var(--line);height:36px;display:flex;align-items:center;overflow:hidden}
.trend-inner{display:flex;align-items:center;gap:10px;width:100%;overflow-x:auto;scrollbar-width:none;padding-top:4px;padding-bottom:4px}
.trend-inner::-webkit-scrollbar{display:none}
.trend-label{font-size:12px;letter-spacing:.08em;color:#8A8F83;white-space:nowrap}
.pill{display:inline-block;padding:3px 12px;border:1px solid var(--line);border-radius:999px;background:var(--surface);font-size:13px;color:var(--ink-soft);white-space:nowrap;transition:border-color 200ms var(--ease),color 200ms var(--ease),background 200ms var(--ease)}
.pill:hover{border-color:var(--brand);color:var(--brand);background:rgba(30,91,69,.05)}
.search-drawer{max-height:0;overflow:hidden;border-top:0 solid var(--line);transition:max-height 260ms var(--ease),border-top-width 260ms var(--ease);background:var(--surface)}
.search-drawer.is-open{max-height:120px;border-top-width:1px}
.search-form{display:flex;gap:10px;align-items:center;padding:14px 0}
.search-form input{flex:1 1 auto;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:2px;background:var(--paper);color:var(--ink)}
.search-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(193,85,45,.12)}
.mobile-drawer{position:fixed;inset:0;z-index:120;background:var(--paper);padding:20px;display:flex;flex-direction:column;transform:translateY(-102%);transition:transform 280ms var(--ease);overflow-y:auto}
.mobile-drawer.is-open{transform:translateY(0)}
.mobile-drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.mobile-drawer__links{display:flex;flex-direction:column;gap:4px}
.mobile-drawer__links a{font-size:18px;color:var(--ink);padding:14px 0;border-bottom:1px solid var(--line)}
.mobile-drawer__links a.is-active{color:var(--brand);font-weight:600}
.mobile-drawer__foot{margin-top:auto;padding-top:28px;font-size:13px;color:#6C7268}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;transition:background 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease),transform 220ms var(--ease)}
.btn .arrow{transition:transform 220ms var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}
.btn--primary{background:var(--ink);color:var(--paper)}
.btn--primary:hover{background:var(--brand-dark);color:var(--paper)}
.btn--outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--outline:hover{background:var(--ink);color:var(--paper)}
.btn--light{background:var(--paper);color:var(--ink)}
.btn--light:hover{background:#fff;color:var(--brand-dark)}
.btn--ghost-light{background:transparent;color:var(--paper);border-color:rgba(245,243,237,.45)}
.btn--ghost-light:hover{background:rgba(245,243,237,.12);color:#fff;border-color:var(--paper)}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand);position:relative}
.text-link::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--accent);transition:width 220ms var(--ease)}
.text-link:hover::after{width:100%}

/* ===== 通用板块 ===== */
.section{padding:var(--space-section) 0}
.section--tight{padding:72px 0}
.section--surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.06em;color:var(--brand);font-weight:600;margin-bottom:14px}
.eyebrow::before{content:"";display:block;width:1px;height:14px;background:var(--brand)}
.eyebrow--light{color:#9FC9B4}
.eyebrow--light::before{background:#9FC9B4}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head p{margin:10px 0 0;max-width:56ch;font-size:15px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.03em;color:#7A8074;margin-bottom:22px;flex-wrap:wrap}
.crumbs a{color:#7A8074}
.crumbs a:hover{color:var(--brand)}
.crumbs .current{color:var(--ink)}

/* ===== 窄幅 Hero ===== */
.page-hero{padding:56px 0 0;border-bottom:1px solid var(--line);background:var(--paper)}
.page-hero h1{max-width:22ch}
.page-hero .lede{margin-top:18px;max-width:52ch;font-size:17px;line-height:1.85;color:var(--ink-soft)}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin:32px 0 40px}
.hero-pills a{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:8px 16px;border:1px solid var(--line);border-radius:999px;background:var(--surface);font-size:14px;color:var(--ink-soft);transition:border-color 200ms var(--ease),color 200ms var(--ease),background 200ms var(--ease),transform 200ms var(--ease)}
.hero-pills a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);background:#fff}
.hero-pills .num{font-size:12px;color:var(--accent);letter-spacing:.06em}

/* ===== 锚点 + 步骤 ===== */
.anchor-card{position:sticky;top:118px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);padding:24px 20px}
.anchor-title{font-size:12px;letter-spacing:.1em;color:#8A8F83;margin-bottom:14px}
.anchor-list li + li{margin-top:2px}
.anchor-list a{display:block;padding:9px 0 9px 12px;border-left:2px solid transparent;font-size:14px;color:var(--ink-soft);line-height:1.6;transition:color 200ms var(--ease),border-color 200ms var(--ease),background 200ms var(--ease)}
.anchor-list a:hover{color:var(--brand);border-left-color:var(--brand);background:rgba(30,91,69,.04)}
.anchor-list a.is-current{color:var(--ink);font-weight:600;border-left-color:var(--accent)}
.anchor-note{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;line-height:1.8;color:#7A8074}

.steps-col{padding-left:8px}
.step{scroll-margin-top:120px;position:relative;padding:0 0 44px 0;margin-bottom:44px;border-bottom:1px solid var(--line)}
.step:last-child{margin-bottom:0;padding-bottom:0;border-bottom:0}
.step__head{display:flex;align-items:baseline;gap:18px;margin-bottom:16px}
.step__num{font-size:clamp(30px,3vw,40px);line-height:1;font-weight:700;color:var(--accent);letter-spacing:-.02em;flex:0 0 auto;font-family:"Inter","SFMono-Regular",ui-monospace,monospace}
.step__head h2{font-size:clamp(21px,2.1vw,26px)}
.step__text{max-width:38em}
.step__list{margin:18px 0 24px;display:grid;gap:8px}
.step__list li{position:relative;padding-left:20px;font-size:15px;line-height:1.85;color:var(--ink-soft)}
.step__list li::before{content:"";position:absolute;left:0;top:.92em;width:8px;height:1px;background:var(--accent)}
.step__media{margin:0;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--surface)}
.step__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 240ms var(--ease)}
.step__media:hover img{transform:scale(1.02)}
.step__cap{font-size:13px;color:#7A8074;padding:10px 14px;border-top:1px solid var(--line);background:var(--surface)}

/* ===== 状态核对带 ===== */
.check-band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:56px 0}
.check-band__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.check-item{padding:0 24px;border-left:1px solid var(--line)}
.check-item:first-child{border-left:0;padding-left:0}
.check-item__k{font-size:13px;letter-spacing:.06em;color:var(--accent);margin-bottom:8px}
.check-item__t{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:6px}
.check-item__d{font-size:14px;line-height:1.8;color:var(--ink-soft);margin:0}

/* ===== 成因图文交替 ===== */
.cause-row{align-items:center;margin-bottom:64px}
.cause-row:last-child{margin-bottom:0}
.cause-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:var(--surface)}
.cause-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 240ms var(--ease)}
.cause-media:hover img{transform:scale(1.02)}
.cause-body h3{margin-bottom:12px;font-size:22px}
.cause-body p{font-size:15px;line-height:1.9}
.cause-tag{display:inline-block;font-size:12px;letter-spacing:.06em;color:var(--brand);border:1px solid rgba(30,91,69,.28);border-radius:2px;padding:2px 8px;margin-bottom:12px}

/* ===== 提示语对照 ===== */
.hint-list{border-top:1px solid var(--line)}
.hint-row{display:grid;grid-template-columns:minmax(200px,320px) 1fr;gap:24px;padding:20px 0;border-bottom:1px solid var(--line);transition:background 200ms var(--ease)}
.hint-row:hover{background:var(--surface)}
.hint-row__msg{font-weight:600;color:var(--ink);font-size:15px}
.hint-row__fix{font-size:15px;line-height:1.85;color:var(--ink-soft)}
.hint-note{margin-top:22px;font-size:13px;color:#7A8074}

/* ===== 问答 ===== */
.qa-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px}
.qa-item{padding:24px 0;border-top:1px solid var(--line)}
.qa-item__q{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:8px}
.qa-item__a{font-size:15px;line-height:1.85;margin:0;color:var(--ink-soft)}

/* ===== CTA 带 ===== */
.cta-band{background:var(--brand-dark);color:rgba(245,243,237,.8);padding:72px 0}
.cta-band h2{color:var(--paper);max-width:24ch}
.cta-band p{color:rgba(245,243,237,.72);margin-top:14px;max-width:48ch;font-size:15px}
.cta-band__inner{display:flex;align-items:flex-end;justify-content:space-between;gap:40px}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{background:var(--brand-dark);color:rgba(245,243,237,.8);padding:72px 0 28px;border-top:1px solid rgba(245,243,237,.12)}
.site-footer h4{color:var(--paper);font-size:14px;letter-spacing:.06em;margin-bottom:16px;font-weight:600}
.site-footer p{color:rgba(245,243,237,.7);font-size:13px;line-height:1.9;margin:0 0 8px}
.footer-grid{gap:32px 0}
.brand--footer{color:var(--paper);font-size:17px;margin-bottom:14px}
.brand--footer:hover{color:var(--paper)}
.brand--footer .brand__mark{border-color:#9FC9B4}
.brand--footer .brand__mark::after{background:#9FC9B4}
.footer-links{display:grid;gap:8px}
.footer-links--two{grid-template-columns:repeat(2,1fr);gap:8px 16px}
.footer-links a{color:rgba(245,243,237,.75);font-size:14px;border-bottom:1px solid transparent;padding-bottom:2px;display:inline-block}
.footer-links a:hover{color:var(--paper);border-bottom-color:var(--accent)}
.footer-qr__box{width:96px;height:96px;border:1px solid rgba(245,243,237,.28);border-radius:var(--r-card);margin-bottom:10px;background:rgba(245,243,237,.05)}
.footer-qr span{font-size:13px;color:rgba(245,243,237,.6)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:44px;padding-top:20px;border-top:1px solid rgba(245,243,237,.14)}
.footer-bottom p{font-size:13px;color:rgba(245,243,237,.6);margin:0}
.footer-bottom .sep{margin:0 8px;color:rgba(245,243,237,.35)}

/* ===== 响应式 ===== */
@media screen and (max-width:1023px){
  .grid-container{padding-left:24px;padding-right:24px}
  .nav-links,.hot-entry{display:none}
  .menu-toggle{display:inline-flex}
  :root{--space-section:72px}
  .hero-pills{margin-bottom:32px}
  .steps-col{padding-left:0}
  .anchor-card{position:static;margin-bottom:32px;padding:18px 16px}
  .anchor-list{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:4px}
  .anchor-list::-webkit-scrollbar{display:none}
  .anchor-list li + li{margin-top:0}
  .anchor-list a{white-space:nowrap;border-left:0;border-bottom:2px solid transparent;padding:6px 2px;font-size:14px}
  .anchor-list a:hover,.anchor-list a.is-current{border-left:0;border-bottom-color:var(--accent);background:none}
  .anchor-note{display:none}
  .check-band__grid{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .check-item:nth-child(odd){border-left:0;padding-left:0}
  .check-item:nth-child(even){padding-right:0}
  .qa-list{grid-template-columns:1fr;gap:0}
  .cta-band__inner{flex-direction:column;align-items:flex-start;gap:28px}
}
@media screen and (max-width:639px){
  .grid-container{padding-left:20px;padding-right:20px}
  :root{--space-section:56px}
  .header-inner{height:60px;gap:12px}
  .brand{font-size:16px}
  .trend-bar{height:40px}
  .page-hero{padding-top:36px}
  .page-hero .lede{font-size:16px}
  .hero-pills{margin:24px 0 32px;gap:8px}
  .hero-pills a{font-size:13px;padding:7px 12px}
  .step{padding-bottom:34px;margin-bottom:34px}
  .step__head{gap:12px;flex-direction:column;align-items:flex-start}
  .step__num{font-size:28px}
  .check-band{padding:40px 0}
  .check-band__grid{grid-template-columns:1fr;gap:24px}
  .check-item{border-left:0;padding:0 0 20px;border-bottom:1px solid var(--line)}
  .check-item:last-child{border-bottom:0;padding-bottom:0}
  .hint-row{grid-template-columns:1fr;gap:6px;padding:16px 0}
  .hint-row__msg{font-size:15px}
  .cta-band{padding:52px 0}
  .site-footer{padding:52px 0 24px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .footer-qr__box{width:72px;height:72px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
/* ============================================================
   设计变量
   ============================================================ */
:root{
  --ink:#14160F;
  --ink-soft:#3A3F36;
  --paper:#F5F3ED;
  --surface:#FFFFFF;
  --line:#E3DFD3;
  --line-strong:#CFC9B8;
  --brand:#1E5B45;
  --brand-dark:#0E2E24;
  --accent:#C1552D;
  --r-card:6px;
  --r-btn:2px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --shadow-hover:0 12px 32px rgba(20,22,15,.08);
  --mono:"Inter","SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}

/* ============================================================
   基础 reset
   ============================================================ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--accent)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
:focus:not(:focus-visible){outline:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* 覆盖 Foundation 默认观感 */
body,html{font-family:var(--font-cn)}
a{color:var(--brand)}
button,.button{background-image:none;box-shadow:none;border-radius:var(--r-btn)}
input[type="search"],input[type="text"],input[type="email"]{
  border:1px solid var(--line);border-radius:var(--r-btn);background:var(--surface);
  box-shadow:none;height:48px;
}
input[type="search"]:focus,input[type="text"]:focus,input[type="email"]:focus{
  border-color:var(--accent);box-shadow:none;outline:none;
}

/* ============================================================
   容器与栅格
   ============================================================ */
.grid-container{
  max-width:1200px;
  padding-left:40px;
  padding-right:40px;
  margin-left:auto;
  margin-right:auto;
}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x > .cell{padding-left:12px;padding-right:12px}

.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--paper{background:var(--paper)}
.section--surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ============================================================
   排版元素
   ============================================================ */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand);margin-bottom:18px;
  font-variant-numeric:tabular-nums;
}
.eyebrow__num{font-family:var(--mono);letter-spacing:.06em}
.eyebrow__line{display:block;width:18px;height:1px;background:var(--accent)}
.eyebrow--light{color:rgba(245,243,237,.72)}

.h1{
  font-size:clamp(32px,5vw,52px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink);
  max-width:16em;
}
.h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
}
.h3{
  font-size:21px;
  line-height:1.45;
  font-weight:600;
  color:var(--ink);
}
.lead{
  font-size:17px;line-height:1.85;color:var(--ink-soft);max-width:640px;
}
.body-text{font-size:16px;line-height:1.9;color:var(--ink-soft);max-width:720px}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head p{margin-top:16px}

/* ============================================================
   按钮
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:44px;padding:13px 26px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
  white-space:nowrap;
}
.btn__arrow{transition:transform .22s var(--ease);display:inline-block}
.btn:hover .btn__arrow{transform:translateX(4px)}
.btn--primary{background:var(--ink);color:var(--paper)}
.btn--primary:hover{background:var(--brand-dark);color:#fff}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--paper)}
.btn--brand{background:var(--brand);color:#fff}
.btn--brand:hover{background:var(--brand-dark);color:#fff}
.btn--outline-light{background:transparent;color:var(--paper);border-color:rgba(245,243,237,.45)}
.btn--outline-light:hover{background:var(--paper);color:var(--brand-dark);border-color:var(--paper)}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--brand);
  position:relative;padding-bottom:2px;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--accent);
  transition:width .24s var(--ease);
}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover::after{width:100%}

/* ============================================================
   头部导航
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(245,243,237,.92);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.header-main{
  display:flex;align-items:center;gap:28px;
  height:64px;
  transition:height .22s var(--ease);
}
.site-header.is-scrolled .header-main{height:56px}

.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--brand)}
.brand__mark{
  width:20px;height:20px;flex:0 0 auto;
  background:var(--brand);
  border-radius:2px;
  position:relative;
}
.brand__mark::after{
  content:"";position:absolute;inset:5px;border:1.5px solid var(--paper);border-radius:1px;
}
.brand__text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}

.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-soft);
  padding:6px 0;white-space:nowrap;transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}

.header-tools{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.tool-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid transparent;border-radius:var(--r-btn);color:var(--ink-soft);
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.tool-btn:hover{background:var(--surface);border-color:var(--line);color:var(--brand)}
.tool-btn svg{width:18px;height:18px;display:block}
.tool-link{
  font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--brand);
  border:1px solid var(--line);border-radius:999px;padding:5px 14px;background:var(--surface);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.tool-link:hover{border-color:var(--brand);color:var(--brand-dark)}

.menu-btn{
  display:none;width:40px;height:40px;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:var(--surface);
}
.menu-btn span{display:block;width:16px;height:1.5px;background:var(--ink);transition:transform .22s var(--ease),opacity .22s var(--ease)}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* 趋势条 */
.trend-bar{border-top:1px solid var(--line);background:rgba(255,255,255,.5)}
.trend-inner{display:flex;align-items:center;gap:12px;height:36px;overflow-x:auto;-ms-overflow-style:none;scrollbar-width:none}
.trend-inner::-webkit-scrollbar{display:none}
.trend-label{font-size:12px;letter-spacing:.1em;color:var(--ink-soft);flex:0 0 auto;font-variant-numeric:tabular-nums}
.pill{
  display:inline-flex;align-items:center;flex:0 0 auto;
  font-size:12.5px;color:var(--ink-soft);
  border:1px solid var(--line);border-radius:999px;background:var(--surface);
  padding:3px 12px;line-height:1.7;white-space:nowrap;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.pill:hover{border-color:var(--accent);color:var(--accent);background:#fff}

/* 搜索面板 */
.search-panel{
  max-height:0;overflow:hidden;background:var(--surface);
  border-top:1px solid transparent;
  transition:max-height .26s var(--ease),border-color .26s var(--ease);
}
.search-panel.is-open{max-height:140px;border-top-color:var(--line)}
.search-form{display:flex;gap:12px;align-items:center;padding:18px 0}
.search-form input{flex:1 1 auto;min-width:0}
.search-form .btn{flex:0 0 auto}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:300;
  background:var(--paper);
  display:flex;flex-direction:column;
  padding:24px 20px 32px;
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-btn);background:var(--surface);font-size:20px;line-height:1;color:var(--ink);
}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  font-size:18px;font-weight:600;color:var(--ink);
  padding:16px 0;border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--brand)}
.drawer-nav a:hover{color:var(--accent)}
.drawer-foot{margin-top:auto;padding-top:32px;font-size:13px;color:var(--ink-soft);line-height:1.8}

/* ============================================================
   Hero（分类页短版）
   ============================================================ */
.hero{
  background:linear-gradient(180deg,rgba(255,255,255,.6),rgba(245,243,237,0)) ,var(--paper);
  border-bottom:1px solid var(--line);
  padding:64px 0 56px;
}
.hero-grid{align-items:center}
.hero-copy .h1{margin-bottom:20px}
.hero-sub{font-size:17px;line-height:1.85;color:var(--ink-soft);max-width:30em;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.hero-note{
  font-size:13px;letter-spacing:.04em;color:var(--ink-soft);
  display:inline-flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums;
}
.hero-note::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);display:block}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--r-card);
  border:1px solid var(--line);
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-card);
  background:rgba(245,243,237,.06);pointer-events:none;
}
.hero-media__tag{
  position:absolute;left:16px;bottom:16px;
  background:rgba(14,46,36,.88);color:var(--paper);
  font-size:12px;letter-spacing:.06em;padding:6px 12px;border-radius:2px;
  border-left:2px solid var(--accent);
}

/* ============================================================
   指标带
   ============================================================ */
.metrics{background:var(--surface);border-bottom:1px solid var(--line)}
.metric-list{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.metric-list li{
  padding:28px 24px 26px;
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
  display:flex;flex-direction:column;gap:6px;
}
.metric-list li:last-child{border-right:0}
.metric-num{
  font-family:var(--mono);font-size:30px;font-weight:700;line-height:1.1;
  color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.metric-label{font-size:13.5px;color:var(--ink-soft);letter-spacing:.02em}

/* ============================================================
   安全清单卡片
   ============================================================ */
.check-grid{margin-top:-12px}
.check-card{
  display:flex;gap:16px;align-items:flex-start;
  padding:24px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);
  height:100%;margin-bottom:24px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.check-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.check-card__idx{
  flex:0 0 auto;width:42px;height:42px;
  display:flex;align-items:center;justify-content:center;
  border-radius:2px;background:rgba(30,91,69,.08);color:var(--brand);
  font-family:var(--mono);font-size:13.5px;font-weight:700;letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
}
.check-card h3{font-size:17.5px;font-weight:600;line-height:1.5;margin-bottom:8px;color:var(--ink)}
.check-card p{font-size:14.5px;line-height:1.8;color:var(--ink-soft)}

/* ============================================================
   图文核对区
   ============================================================ */
.env-figure{position:relative}
.env-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-card);border:1px solid var(--line);
  transition:transform .24s var(--ease);
}
.env-figure:hover img{transform:scale(1.02)}
.step-list{margin-top:8px}
.step-list li{
  display:flex;gap:18px;padding:22px 0;
  border-bottom:1px solid var(--line);
}
.step-list li:first-child{padding-top:0}
.step-list li:last-child{border-bottom:0;padding-bottom:0}
.step-num{
  flex:0 0 auto;font-family:var(--mono);font-size:13px;font-weight:700;
  color:var(--accent);letter-spacing:.08em;padding-top:4px;font-variant-numeric:tabular-nums;
}
.step-body h3{font-size:17.5px;font-weight:600;margin-bottom:6px;color:var(--ink)}
.step-body p{font-size:14.5px;line-height:1.8;color:var(--ink-soft);max-width:34em}

/* ============================================================
   深色风险带
   ============================================================ */
.risk-band{background:var(--brand-dark);color:var(--paper);padding:72px 0}
.risk-band .h2{color:var(--paper);max-width:20em}
.risk-band p{color:rgba(245,243,237,.8);font-size:15.5px;line-height:1.9;max-width:38em;margin-top:16px}
.risk-action{display:flex;justify-content:flex-start;margin-top:24px}
.risk-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.risk-tag{
  font-size:12.5px;letter-spacing:.04em;color:rgba(245,243,237,.8);
  border:1px solid rgba(245,243,237,.24);border-radius:999px;padding:4px 12px;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq{border-top:1px solid var(--line);margin-top:8px}
.faq__item{border-bottom:1px solid var(--line)}
.faq__q{
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 0;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;line-height:1.6;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq__q::-webkit-details-marker{display:none}
.faq__q:hover{color:var(--brand)}
.faq__q::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:50%;
  color:var(--brand);font-size:16px;font-weight:400;line-height:1;
  transition:transform .3s var(--ease),background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease);
}
.faq__item[open] .faq__q::after{
  transform:rotate(45deg);background:var(--brand);color:var(--paper);border-color:var(--brand);
}
.faq__a{
  padding:0 0 24px;max-width:720px;
  font-size:15px;line-height:1.85;color:var(--ink-soft);
}

/* ============================================================
   CTA 带
   ============================================================ */
.cta-band{background:var(--ink);color:var(--paper);padding:80px 0}
.cta-inner{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:32px}
.cta-band .h2{color:var(--paper);max-width:18em}
.cta-band p{color:rgba(245,243,237,.72);font-size:15.5px;margin-top:14px;max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-band .btn--primary{background:var(--paper);color:var(--ink)}
.cta-band .btn--primary:hover{background:#fff;color:var(--brand-dark)}
.cta-band .btn--ghost{color:var(--paper);border-color:rgba(245,243,237,.45)}
.cta-band .btn--ghost:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{background:var(--brand-dark);color:rgba(245,243,237,.8);padding:64px 0 0}
.footer-grid{padding-bottom:44px}
.footer-brand .brand{color:var(--paper);margin-bottom:14px}
.footer-brand .brand__mark{background:var(--paper)}
.footer-brand .brand__mark::after{border-color:var(--brand-dark)}
.footer-brand .brand:hover{color:#fff}
.footer-brand p{font-size:13.5px;line-height:1.8;color:rgba(245,243,237,.62);max-width:22em}
.footer-col h4{
  font-size:13px;font-weight:600;letter-spacing:.1em;color:rgba(245,243,237,.55);
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links--two{display:grid;grid-template-columns:1fr 1fr;gap:10px 20px}
.footer-links a{
  font-size:13.5px;color:rgba(245,243,237,.8);position:relative;display:inline-block;padding-bottom:1px;
}
.footer-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--accent);
  transition:width .24s var(--ease);
}
.footer-links a:hover{color:#fff}
.footer-links a:hover::after{width:100%}
.footer-contact p{font-size:13px;line-height:1.85;color:rgba(245,243,237,.62);margin-bottom:8px}
.footer-qr{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.footer-qr__box{
  width:84px;height:84px;border-radius:var(--r-card);
  background:rgba(245,243,237,.08);border:1px solid rgba(245,243,237,.18);
}
.footer-qr span{font-size:12.5px;letter-spacing:.06em;color:rgba(245,243,237,.5)}
.footer-bottom{
  border-top:1px solid rgba(245,243,237,.14);
  padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:rgba(245,243,237,.5);
}
.footer-bottom .sep{margin:0 8px;color:rgba(245,243,237,.3)}

/* ============================================================
   响应式
   ============================================================ */
@media screen and (max-width:1024px){
  .grid-container{padding-left:32px;padding-right:32px}
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .nav-links{gap:18px}
  .nav-link{font-size:14px}
  .header-main{gap:20px}
  .risk-band{padding:60px 0}
  .cta-band{padding:64px 0}
}

@media screen and (max-width:900px){
  .nav-links{display:none}
  .tool-link{display:none}
  .menu-btn{display:flex}
  .hero{padding:48px 0 44px}
  .hero-media{margin-top:32px}
  .hero-media img{aspect-ratio:16/10}
  .metric-list{grid-template-columns:repeat(2,1fr)}
  .metric-list li:nth-child(2n){border-right:0}
  .metric-list li:nth-last-child(-n+2){border-bottom:0}
}

@media screen and (max-width:767px){
  .grid-container{padding-left:20px;padding-right:20px}
  .grid-margin-x{margin-left:-8px;margin-right:-8px}
  .grid-margin-x > .cell{padding-left:8px;padding-right:8px}
  .section{padding:56px 0}
  .section--tight{padding:44px 0}
  .h1{font-size:clamp(28px,7.4vw,34px);max-width:none}
  .hero-sub{font-size:15.5px}
  .hero-actions{gap:10px}
  .btn{padding:12px 20px;font-size:14.5px}
  .hero-actions .btn{flex:1 1 auto}
  .sec-head{margin-bottom:32px}
  .check-card{padding:20px;gap:14px;margin-bottom:16px}
  .footer-links--two{grid-template-columns:1fr 1fr}
  .cta-inner{align-items:flex-start}
  .cta-actions .btn{flex:1 1 auto}
  .risk-action{margin-top:20px}
  .footer-bottom{flex-direction:column;gap:8px}
}

@media screen and (max-width:520px){
  .header-main{height:58px}
  .brand__text{font-size:15.5px}
  .metric-list li{padding:22px 16px}
  .metric-num{font-size:26px}
  .search-form{flex-direction:column;align-items:stretch}
  .search-form .btn{width:100%}
  .search-panel.is-open{max-height:200px}
  .hero-note{font-size:12.5px}
  .faq__q{font-size:16px;padding:18px 0}
  .step-list li{gap:12px}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
}

/* roulang page: category3 */
:root{
  --ink:#14160F;
  --ink-soft:#3A3F36;
  --paper:#F5F3ED;
  --surface:#FFFFFF;
  --line:#E3DFD3;
  --brand:#1E5B45;
  --brand-dark:#0E2E24;
  --accent:#C1552D;
  --radius-card:6px;
  --radius-btn:2px;
  --radius-input:2px;
  --shadow-hover:0 12px 32px rgba(20,22,15,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
  --header-h:64px;
  --header-h-compact:56px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","SF Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;overflow-x:hidden;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-soft);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover,a:focus{color:var(--brand-dark);}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input{font-family:inherit;}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;line-height:1.3;}
p{margin:0 0 20px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.grid-container{
  max-width:1200px;
  padding-left:40px;
  padding-right:40px;
}
.grid-x{margin-left:0;margin-right:0;}
.grid-x > .cell{padding-left:12px;padding-right:12px;}
.grid-x > .cell:first-child{padding-left:0;}
.grid-x > .cell:last-child{padding-right:0;}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.eyebrow::before{
  content:"";
  display:block;
  width:2px;
  height:14px;
  background:var(--accent);
}
.eyebrow__num{
  font-family:var(--font-num);
  font-weight:600;
  letter-spacing:.06em;
}
.lead{font-size:17px;color:var(--ink-soft);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:900;
  background:rgba(245,243,237,.96);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:background var(--dur) var(--ease);
}
.site-header.is-scrolled{background:rgba(245,243,237,.92);}
.header-top__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:var(--header-h);
  transition:height var(--dur) var(--ease);
}
.site-header.is-scrolled .header-top__inner{height:var(--header-h-compact);}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-weight:800;
  font-size:17px;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--ink);}
.brand__mark{
  position:relative;
  width:20px;
  height:20px;
  border-radius:3px;
  background:var(--brand);
  flex:0 0 auto;
  overflow:hidden;
}
.brand__mark::after{
  content:"";
  position:absolute;
  left:50%;
  top:-2px;
  width:2px;
  height:24px;
  background:rgba(245,243,237,.85);
  transform:translateX(-50%) rotate(32deg);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
}
.nav-link{
  position:relative;
  padding:6px 0;
  font-size:15px;
  color:var(--ink-soft);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:2px;
  background:var(--accent);
  transition:width var(--dur) var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--ink);font-weight:700;}
.nav-link.is-active::after{width:100%;}
.header-tools{display:flex;align-items:center;gap:6px;}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:44px;
  min-height:44px;
  border-radius:var(--radius-btn);
  color:var(--ink-soft);
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.icon-btn:hover{background:rgba(30,91,69,.08);color:var(--brand);}
.icon-btn svg{width:18px;height:18px;display:block;}
.icon-btn--label{
  width:auto;
  padding:0 14px;
  gap:8px;
  font-size:14px;
  border:1px solid var(--line);
  background:var(--surface);
}
.icon-btn--label:hover{border-color:var(--brand);}
.menu-toggle{display:none;}
.header-search{
  max-height:0;
  overflow:hidden;
  transition:max-height var(--dur) var(--ease);
  border-top:1px solid transparent;
}
.header-search.is-open{
  max-height:120px;
  border-top-color:var(--line);
}
.header-search__inner{
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px 0 16px;
}
.header-search__input{
  flex:1 1 auto;
  height:44px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  background:var(--surface);
  color:var(--ink);
  font-size:15px;
}
.header-search__input::placeholder{color:#9A9A8E;}
.header-search__input:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent);}
.trend-bar{
  border-top:1px solid var(--line);
  background:var(--paper);
}
.trend-bar__inner{
  display:flex;
  align-items:center;
  gap:12px;
  height:36px;
  overflow-x:auto;
  scrollbar-width:none;
}
.trend-bar__inner::-webkit-scrollbar{display:none;}
.trend-bar__label{
  flex:0 0 auto;
  font-size:12px;
  letter-spacing:.1em;
  color:#8C8C80;
}
.trend-pills{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:nowrap;
}
.trend-pills a{
  display:inline-block;
  padding:3px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:13px;
  line-height:1.6;
  color:var(--ink-soft);
  background:var(--surface);
  white-space:nowrap;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.trend-pills a:hover{border-color:var(--brand);color:var(--brand);}
.trend-pills a.is-current{border-color:var(--accent);color:var(--accent);}

/* ---------- 移动抽屉 ---------- */
.nav-drawer{
  position:fixed;
  inset:0;
  z-index:1000;
  background:var(--paper);
  padding:24px 20px 32px;
  display:flex;
  flex-direction:column;
  gap:18px;
  transform:translateX(100%);
  visibility:hidden;
  transition:transform 260ms var(--ease),visibility 260ms var(--ease);
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);visibility:visible;}
.nav-drawer__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-bottom:1px solid var(--line);
  padding-bottom:16px;
}
.nav-drawer__list{display:flex;flex-direction:column;}
.nav-drawer__list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 2px;
  font-size:18px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.nav-drawer__list a.is-active{color:var(--brand);font-weight:700;}
.nav-drawer__foot{
  margin-top:auto;
  font-size:13px;
  color:#8C8C80;
  letter-spacing:.04em;
}
body.drawer-open{overflow:hidden;}

/* ---------- Hero ---------- */
.hero-faq{
  padding:64px 0 56px;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(80% 120% at 100% 0%,rgba(30,91,69,.07) 0%,rgba(30,91,69,0) 60%),
    var(--paper);
}
.hero-faq h1{
  font-size:clamp(32px,4.4vw,52px);
  line-height:1.15;
  letter-spacing:-.02em;
  font-weight:800;
  margin:16px 0 18px;
}
.hero-faq__sub{
  font-size:17px;
  color:var(--ink-soft);
  max-width:34em;
  margin-bottom:26px;
}
.hero-search{
  display:flex;
  align-items:center;
  gap:10px;
  max-width:560px;
}
.hero-search__input{
  flex:1 1 auto;
  height:48px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  background:var(--surface);
  color:var(--ink);
  font-size:15px;
}
.hero-search__input::placeholder{color:#9A9A8E;}
.hero-search__input:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent);}
.hero-faq__note{
  margin-top:16px;
  font-size:13px;
  letter-spacing:.04em;
  color:#8C8C80;
}
.hero-faq__media{
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line);
  aspect-ratio:5/4;
}
.hero-faq__media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 240ms var(--ease);
}
.hero-faq__media::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(245,243,237,.06);
  pointer-events:none;
}
.hero-faq__media:hover img{transform:scale(1.02);}

/* ---------- 统计条 ---------- */
.stat-strip{
  border-bottom:1px solid var(--line);
  background:var(--surface);
}
.stat-strip__inner{display:flex;flex-wrap:wrap;}
.stat-item{
  flex:1 1 0;
  min-width:150px;
  padding:24px 24px 24px 0;
  border-left:1px solid var(--line);
  padding-left:24px;
}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-item__num{
  display:block;
  font-family:var(--font-num);
  font-size:26px;
  font-weight:700;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.stat-item__label{
  display:block;
  margin-top:4px;
  font-size:13px;
  letter-spacing:.04em;
  color:#8C8C80;
}

/* ---------- FAQ 主体 ---------- */
.faq-main{padding:80px 0 88px;}
.side-col{
  position:sticky;
  top:112px;
  align-self:flex-start;
}
.side-col__title{
  font-size:13px;
  letter-spacing:.1em;
  color:#8C8C80;
  margin-bottom:14px;
}
.faq-tabs > .tabs{
  display:block;
  border:0;
  background:transparent;
  margin:0;
}
.faq-tabs .tabs-title{
  float:none;
  margin-bottom:4px;
}
.faq-tabs .tabs-title > a{
  display:block;
  padding:12px 14px;
  border-radius:4px;
  border-left:2px solid transparent;
  font-size:15px;
  line-height:1.6;
  color:var(--ink-soft);
  background:transparent;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.faq-tabs .tabs-title > a:hover{background:var(--surface);color:var(--ink);}
.faq-tabs .tabs-title > a:focus{outline:2px solid var(--accent);outline-offset:1px;}
.faq-tabs .tabs-title.is-active > a,
.faq-tabs .tabs-title > a[aria-selected="true"]{
  background:var(--surface);
  color:var(--ink);
  font-weight:700;
  border-left-color:var(--accent);
}
.faq-tabs .tabs-title > a small{
  display:block;
  font-size:12px;
  font-weight:400;
  letter-spacing:.04em;
  color:#8C8C80;
  margin-top:2px;
}
.faq-tabs .tabs-panel{padding:0;}
.faq-tabs .tabs-panel.is-active{animation:fadeUp 320ms var(--ease) both;}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:translateY(0);}}

.panel-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:8px 28px 20px;
}
.panel-card__head{
  padding:20px 0 14px;
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
}
.panel-card__head h2{
  font-size:22px;
  font-weight:700;
}
.panel-card__head span{
  font-size:13px;
  letter-spacing:.04em;
  color:#8C8C80;
  font-variant-numeric:tabular-nums;
}
.search-hint{
  display:none;
  margin:14px 0 0;
  font-size:13px;
  color:var(--accent);
  letter-spacing:.02em;
}
.search-hint.is-visible{display:block;}

.faq-accordion{
  background:transparent;
  border:0;
  margin:0;
}
.faq-accordion .accordion-item{
  border-bottom:1px solid var(--line);
}
.faq-accordion .accordion-item:last-child{border-bottom:0;}
.faq-accordion .accordion-title{
  position:relative;
  border:0;
  background:transparent;
  padding:20px 44px 20px 0;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink);
  transition:color var(--dur) var(--ease);
}
.faq-accordion .accordion-title:hover{color:var(--brand);}
.faq-accordion .accordion-title:focus{outline:2px solid var(--accent);outline-offset:-2px;}
.faq-accordion .accordion-title::before{
  content:"";
  position:absolute;
  right:8px;
  top:50%;
  width:14px;
  height:2px;
  background:var(--ink);
  transform:translateY(-50%);
  transition:background var(--dur) var(--ease);
}
.faq-accordion .accordion-title::after{
  content:"";
  position:absolute;
  right:14px;
  top:50%;
  width:2px;
  height:14px;
  background:var(--ink);
  transform:translateY(-50%) rotate(0deg);
  transition:transform 300ms var(--ease),background var(--dur) var(--ease);
}
.faq-accordion .accordion-title[aria-expanded="true"]::after{
  transform:translateY(-50%) rotate(90deg);
}
.faq-accordion .accordion-title[aria-expanded="true"]{color:var(--brand);}
.faq-accordion .accordion-title[aria-expanded="true"]::before,
.faq-accordion .accordion-title[aria-expanded="true"]::after{background:var(--brand);}
.faq-accordion .accordion-content{
  border:0;
  background:transparent;
  padding:0 44px 22px 0;
  color:var(--ink-soft);
  font-size:15px;
  line-height:1.85;
}
.faq-accordion .accordion-content p{margin-bottom:14px;}
.faq-accordion .accordion-content p:last-child{margin-bottom:0;}
.faq-accordion .accordion-content strong{color:var(--ink);font-weight:600;}
.faq-empty{
  display:none;
  padding:28px 0;
  text-align:center;
  font-size:14px;
  color:#8C8C80;
}

/* ---------- 未解决联系条 ---------- */
.unresolved{
  background:var(--paper);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:48px 0;
}
.unresolved__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.unresolved h2{font-size:24px;margin-bottom:8px;}
.unresolved p{font-size:15px;color:var(--ink-soft);max-width:46em;margin:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:12px 26px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  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);
  white-space:nowrap;
}
.btn .btn__arrow{transition:transform var(--dur) var(--ease);}
.btn:hover .btn__arrow{transform:translateX(4px);}
.btn--primary{
  background:var(--ink);
  color:var(--paper);
  padding:14px 26px;
}
.btn--primary:hover{background:var(--brand-dark);color:var(--paper);}
.btn--ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--ink);
}
.btn--ghost:hover{background:var(--ink);color:var(--paper);}
.btn--light{
  background:transparent;
  color:var(--paper);
  border-color:rgba(245,243,237,.5);
}
.btn--light:hover{background:var(--paper);color:var(--brand-dark);border-color:var(--paper);}

/* ---------- 频道索引 ---------- */
.channels{padding:88px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(26px,3vw,34px);
  letter-spacing:-.01em;
  margin-top:14px;
}
.section-head p{font-size:15px;color:var(--ink-soft);max-width:38em;margin:10px 0 0;}
.channel-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 40px;
  border-top:1px solid var(--line);
}
.channel-item{
  display:flex;
  align-items:flex-start;
  gap:18px;
  padding:26px 0;
  border-bottom:1px solid var(--line);
  transition:background var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.channel-item:hover{transform:translateY(-2px);}
.channel-item:hover .channel-item__title{color:var(--brand);}
.channel-item__num{
  flex:0 0 auto;
  font-family:var(--font-num);
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--accent);
  padding-top:4px;
  font-variant-numeric:tabular-nums;
}
.channel-item__body{flex:1 1 auto;}
.channel-item__title{
  font-size:19px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:6px;
  transition:color var(--dur) var(--ease);
}
.channel-item__desc{font-size:14px;color:var(--ink-soft);margin:0;line-height:1.8;}
.channel-item__arrow{
  flex:0 0 auto;
  color:var(--brand);
  padding-top:4px;
  transition:transform var(--dur) var(--ease);
}
.channel-item:hover .channel-item__arrow{transform:translateX(4px);color:var(--accent);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  background:var(--brand-dark);
  color:rgba(245,243,237,.85);
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  opacity:.14;
  pointer-events:none;
}
.cta-band__inner{
  position:relative;
  padding:88px 0;
  display:grid;
  grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.cta-band h2{
  color:var(--paper);
  font-size:clamp(26px,3.2vw,38px);
  letter-spacing:-.01em;
  margin-bottom:14px;
}
.cta-band p{color:rgba(245,243,237,.78);font-size:15px;max-width:40em;margin:0;}
.cta-band__actions{display:flex;justify-content:flex-end;}
.cta-band .eyebrow{color:#9CC7B3;}
.cta-band .eyebrow::before{background:var(--accent);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-dark);
  color:rgba(245,243,237,.8);
  padding:72px 0 28px;
  font-size:14px;
}
.footer-grid{row-gap:36px;}
.footer-brand .brand{color:var(--paper);margin-bottom:14px;}
.footer-brand .brand__mark{background:var(--paper);}
.footer-brand .brand__mark::after{background:var(--brand-dark);}
.footer-brand p{font-size:13px;color:rgba(245,243,237,.6);letter-spacing:.04em;}
.footer-col h4{
  color:var(--paper);
  font-size:14px;
  letter-spacing:.08em;
  font-weight:600;
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links--two{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px 20px;
}
.footer-links a{color:rgba(245,243,237,.8);}
.footer-links a:hover{color:var(--paper);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px;}
.footer-contact p{font-size:13px;color:rgba(245,243,237,.62);line-height:1.9;margin-bottom:8px;}
.footer-qr{display:flex;flex-direction:column;gap:10px;align-items:flex-start;}
.footer-qr__box{
  width:76px;
  height:76px;
  border:1px solid rgba(245,243,237,.28);
  border-radius:4px;
  background:
    repeating-linear-gradient(45deg,rgba(245,243,237,.14) 0 4px,rgba(245,243,237,.03) 4px 8px);
}
.footer-qr span{font-size:12px;letter-spacing:.06em;color:rgba(245,243,237,.55);}
.footer-bottom{
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid rgba(245,243,237,.16);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.footer-bottom p{font-size:12.5px;color:rgba(245,243,237,.55);margin:0;letter-spacing:.02em;}
.footer-bottom .sep{margin:0 8px;opacity:.5;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .grid-container{padding-left:24px;padding-right:24px;}
  .nav-links{display:none;}
  .menu-toggle{display:inline-flex;}
  .section{padding:72px 0;}
  .faq-main{padding:56px 0 64px;}
  .side-col{position:static;margin-bottom:28px;}
  .faq-tabs > .tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;}
  .faq-tabs .tabs-title{margin-bottom:0;}
  .cta-band__inner{grid-template-columns:minmax(0,1fr);gap:28px;padding:64px 0;}
  .cta-band__actions{justify-content:flex-start;}
  .channel-list{gap:0 28px;}
}
@media screen and (max-width:640px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .grid-x > .cell{padding-left:0;padding-right:0;}
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  .hero-faq{padding:44px 0 40px;}
  .hero-faq h1{margin:14px 0 14px;}
  .hero-faq__sub{font-size:15.5px;margin-bottom:22px;}
  .hero-faq__media{aspect-ratio:16/10;margin-top:28px;}
  .hero-search{flex-direction:column;align-items:stretch;}
  .hero-search__input{height:46px;}
  .hero-search .btn{justify-content:center;}
  .stat-item{
    flex:1 1 50%;
    min-width:0;
    padding:18px 12px 18px 16px;
  }
  .stat-item:first-child{padding-left:0;}
  .stat-item:nth-child(3){border-left:0;padding-left:0;}
  .stat-item__num{font-size:22px;}
  .faq-main{padding:44px 0 52px;}
  .faq-tabs > .tabs{grid-template-columns:minmax(0,1fr);}
  .panel-card{padding:6px 18px 16px;}
  .panel-card__head{flex-direction:column;align-items:flex-start;gap:6px;}
  .panel-card__head h2{font-size:20px;}
  .faq-accordion .accordion-title{font-size:16px;padding:18px 40px 18px 0;}
  .faq-accordion .accordion-content{padding:0 0 18px 0;font-size:14.5px;}
  .channel-list{grid-template-columns:minmax(0,1fr);gap:0;}
  .channel-item{padding:22px 0;}
  .unresolved{padding:36px 0;}
  .unresolved__inner{flex-direction:column;align-items:flex-start;gap:20px;}
  .unresolved h2{font-size:20px;}
  .cta-band__inner{padding:52px 0;}
  .btn{width:100%;justify-content:center;}
  .unresolved .btn,.cta-band .btn{width:auto;}
  .footer-links--two{grid-template-columns:minmax(0,1fr);}
  .site-footer{padding:52px 0 24px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .header-tools .icon-btn--label{padding:0 12px;}
  .header-tools .icon-btn--label span{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category4 */
:root{
  --ink:#14160F;
  --ink-soft:#3A3F36;
  --paper:#F5F3ED;
  --surface:#FFFFFF;
  --line:#E3DFD3;
  --brand:#1E5B45;
  --brand-dark:#0E2E24;
  --accent:#C1552D;
  --radius-card:6px;
  --radius-btn:2px;
  --shadow-hover:0 12px 32px rgba(20,22,15,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --gutter:40px;
  --section-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",Arial,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5{font-family:inherit;color:var(--ink);margin:0;font-weight:700;line-height:1.25}
p{margin:0 0 20px;color:var(--ink-soft)}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;border-radius:var(--radius-card)}
a{color:var(--ink);text-decoration:none;transition:color .22s var(--ease)}
a:hover,a:focus{color:var(--brand)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
button{font-family:inherit}
::selection{background:rgba(30,91,69,.16)}
.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}

/* ---------- layout ---------- */
.grid-container{
  width:100%;
  max-width:var(--container);
  margin-left:auto;
  margin-right:auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x > .cell{padding-left:12px;padding-right:12px}
.section{padding:var(--section-y) 0}
.section--tight{padding:64px 0}
.section--paper{background:var(--paper)}
.section--surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(245,243,237,.92);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:background .22s var(--ease);
}
.header-main{height:64px;display:flex;align-items:center;transition:height .22s var(--ease)}
.site-header.is-compact .header-main{height:56px}
.header-inner{display:flex;align-items:center;gap:28px;width:100%}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.brand:hover{color:var(--ink)}
.brand__mark{
  width:22px;height:22px;border:2px solid var(--brand);border-radius:3px;position:relative;flex:none;
  transition:transform .22s var(--ease);
}
.brand__mark::after{content:"";position:absolute;inset:5px;background:var(--brand);border-radius:1px}
.brand:hover .brand__mark{transform:rotate(-8deg)}
.brand__text{line-height:1}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:auto}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-soft);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;
  background:var(--accent);transition:width .22s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:6px;margin-left:8px}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid transparent;border-radius:var(--radius-btn);
  color:var(--ink-soft);cursor:pointer;transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:var(--line);background:var(--surface)}
.icon-btn svg{width:18px;height:18px;display:block}
.trend-entry{
  font-size:13px;letter-spacing:.04em;color:var(--brand);
  border:1px solid var(--line);border-radius:999px;padding:5px 14px;background:var(--surface);
  white-space:nowrap;transition:border-color .2s var(--ease),color .2s var(--ease);
}
.trend-entry:hover{border-color:var(--brand);color:var(--brand-dark)}
.burger{display:none;width:44px;height:44px;background:transparent;border:0;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.burger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:1px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* trend bar */
.trend-bar{border-top:1px solid var(--line);background:rgba(255,255,255,.55)}
.trend-inner{display:flex;align-items:center;gap:14px;height:36px;overflow:hidden}
.trend-label{font-size:12px;letter-spacing:.18em;color:var(--ink-soft);flex:none;display:inline-flex;align-items:center;gap:8px}
.trend-label::before{content:"";width:1px;height:14px;background:var(--accent)}
.trend-pills{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:2px 0}
.trend-pills::-webkit-scrollbar{display:none}
.pill{
  font-size:13px;line-height:1.6;padding:3px 12px;border:1px solid var(--line);border-radius:999px;
  color:var(--ink-soft);background:var(--surface);white-space:nowrap;
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.pill:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}

/* search panel */
.search-panel{display:none;border-top:1px solid var(--line);background:rgba(255,255,255,.97)}
.search-panel.is-open{display:block}
.search-inner{padding:16px 0}
.search-form{display:flex;gap:12px;align-items:center}
.search-form input[type="search"]{
  flex:1;min-height:44px;height:44px;margin:0;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--paper);padding:0 14px;font-size:15px;color:var(--ink);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.search-form input[type="search"]:focus{border-color:var(--accent);background:var(--surface);outline:none;box-shadow:none}
.search-form input[type="search"]::placeholder{color:#9A9D92}

/* mobile drawer */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;display:none;
  background:var(--paper);padding:88px 20px 32px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block}
.drawer-close{
  position:absolute;top:14px;right:14px;width:44px;height:44px;border:1px solid var(--line);
  border-radius:var(--radius-btn);background:var(--surface);color:var(--ink);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-nav a{
  font-size:18px;font-weight:600;color:var(--ink);padding:16px 0;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer-nav a::after{content:"→";color:var(--accent);font-size:15px}
.drawer-foot{margin-top:32px;font-size:14px;color:var(--ink-soft)}
.drawer-foot strong{display:block;font-size:16px;color:var(--ink);margin-bottom:6px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:44px;padding:12px 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;line-height:1.4;
  border:1px solid transparent;cursor:pointer;background-clip:padding-box;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn__arrow{display:inline-block;transition:transform .22s var(--ease)}
.btn--primary{background:var(--ink);color:var(--paper)}
.btn--primary:hover,.btn--primary:focus{background:var(--brand-dark);color:#FFFFFF}
.btn--primary:hover .btn__arrow{transform:translateX(4px)}
.btn--ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn--ghost:hover,.btn--ghost:focus{background:var(--ink);color:var(--paper)}
.btn--ghost:hover .btn__arrow{transform:translateX(4px)}
.btn--light{background:var(--paper);color:var(--brand-dark)}
.btn--light:hover{background:#FFFFFF;color:var(--brand-dark)}
.btn--light:hover .btn__arrow{transform:translateX(4px)}
.btn--outline-light{background:transparent;border-color:rgba(245,243,237,.55);color:var(--paper)}
.btn--outline-light:hover{background:rgba(245,243,237,.12);border-color:var(--paper);color:#FFFFFF}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand);
  position:relative;padding-bottom:2px;
}
.link-arrow::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--accent);transition:width .22s var(--ease)}
.link-arrow:hover{color:var(--brand-dark)}
.link-arrow:hover::after{width:100%}

/* ---------- intro band (hero) ---------- */
.intro-band{
  position:relative;
  padding:84px 0 72px;
  border-bottom:1px solid var(--line);
  background-color:var(--paper);
  background-image:linear-gradient(rgba(245,243,237,.94),rgba(245,243,237,.96)),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.16em;color:var(--ink-soft);margin-bottom:18px;
}
.eyebrow::before{content:"";width:1px;height:16px;background:var(--accent)}
.intro-band h1{
  font-size:clamp(32px,5vw,54px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.02em;
  max-width:940px;
  margin-bottom:22px;
}
.intro-lede{
  font-size:clamp(24px,3vw,36px);
  line-height:1.55;
  font-weight:600;
  color:var(--brand);
  letter-spacing:-.01em;
  max-width:880px;
  margin:0 0 24px;
}
.intro-note{max-width:660px;font-size:16px;line-height:1.9;color:var(--ink-soft);margin-bottom:32px}
.intro-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.intro-meta{margin-top:22px;font-size:13px;letter-spacing:.04em;color:var(--ink-soft)}

/* ---------- section head ---------- */
.sec-label{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.16em;color:var(--ink-soft);margin-bottom:14px}
.sec-label::before{content:"";width:1px;height:16px;background:var(--accent)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px}
.sec-title{font-size:clamp(24px,2.6vw,32px);font-weight:700;letter-spacing:-.01em;margin:0 0 10px}
.sec-desc{max-width:680px;font-size:15.5px;line-height:1.9;color:var(--ink-soft);margin:0}

/* ---------- scene list ---------- */
.scene-list{border-top:1px solid var(--line)}
.scene{
  display:grid;grid-template-columns:80px 1fr auto;gap:24px;align-items:start;
  padding:22px 0;border-bottom:1px solid var(--line);
  transition:background .22s var(--ease);
}
.scene:hover{background:var(--surface)}
.scene__idx{font-variant-numeric:tabular-nums;font-size:13px;letter-spacing:.08em;color:var(--accent);padding-top:4px}
.scene__title{font-size:18px;font-weight:600;color:var(--ink);margin:0 0 6px}
.scene__desc{font-size:15px;line-height:1.8;color:var(--ink-soft);margin:0;max-width:760px}
.scene__tag{
  font-size:12px;letter-spacing:.06em;color:var(--brand);
  border:1px solid var(--line);border-radius:999px;padding:3px 12px;white-space:nowrap;background:var(--surface);
}

/* ---------- timeline ---------- */
.timeline-wrap{padding-top:8px}
.timeline{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-top:56px;
}
.timeline::before{
  content:"";position:absolute;top:26px;left:0;right:0;height:1px;background:var(--line);
}
.tl-node{position:relative;padding-top:64px}
.tl-node::before{
  content:"";position:absolute;top:18px;left:0;width:16px;height:16px;border-radius:50%;
  background:var(--paper);border:2px solid var(--brand);z-index:1;
  transition:transform .22s var(--ease);
}
.tl-node--start::before{background:var(--accent);border-color:var(--accent)}
.tl-node:hover::before{transform:scale(1.15)}
.tl-index{
  position:absolute;top:0;left:0;font-variant-numeric:tabular-nums;
  font-size:13px;letter-spacing:.12em;color:var(--ink-soft);
}
.tl-title{font-size:20px;font-weight:600;letter-spacing:-.01em;margin:0 0 10px}
.tl-text{font-size:15px;line-height:1.85;color:var(--ink-soft);margin:0 0 12px}
.tl-meta{font-size:13px;letter-spacing:.04em;color:var(--brand)}

/* ---------- metric bar ---------- */
.metric-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;
}
.metric{padding:30px 24px;border-left:1px solid var(--line)}
.metric:first-child{border-left:0}
.metric__num{
  display:block;font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:-.02em;
  font-size:clamp(22px,2.4vw,30px);color:var(--brand);margin-bottom:6px;line-height:1.2;
}
.metric__label{font-size:13px;letter-spacing:.06em;color:var(--ink-soft);line-height:1.7}

/* ---------- feature rows ---------- */
.feature-row{align-items:center;margin-bottom:80px}
.feature-row:last-child{margin-bottom:0}
.feature__text{padding-right:32px}
.feature__text h3{font-size:clamp(20px,2.2vw,26px);line-height:1.4;font-weight:700;letter-spacing:-.01em;margin:0 0 14px}
.feature__text p{font-size:16px;line-height:1.9;color:var(--ink-soft)}
.feature__media{position:relative;overflow:hidden;border-radius:var(--radius-card);border:1px solid var(--line);background:var(--surface)}
.feature__media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;transition:transform .24s var(--ease)}
.feature__media:hover img{transform:scale(1.02)}
.feature__cap{margin-top:12px;font-size:13px;letter-spacing:.04em;color:var(--ink-soft)}
.checklist{margin-top:24px;border-top:1px solid var(--line)}
.checklist li{
  position:relative;padding:14px 0 14px 26px;border-bottom:1px solid var(--line);
  font-size:15.5px;line-height:1.8;color:var(--ink-soft);
}
.checklist li::before{
  content:"";position:absolute;left:0;top:22px;width:10px;height:10px;
  border:2px solid var(--brand);border-radius:2px;
}
.checklist li strong{color:var(--ink);font-weight:600}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  background:none;border:0;padding:22px 0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;line-height:1.6;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-sign{
  flex:none;width:22px;height:22px;position:relative;margin-top:2px;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--accent);border-radius:1px;
  transition:transform .3s var(--ease),opacity .3s var(--ease);
}
.faq-sign::before{left:0;top:10px;width:22px;height:2px}
.faq-sign::after{left:10px;top:0;width:2px;height:22px}
.faq-item.is-open .faq-sign::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a p{margin:0 0 22px;font-size:15px;line-height:1.85;color:var(--ink-soft);max-width:780px}

/* ---------- cta band ---------- */
.cta-band{background:var(--brand-dark);color:rgba(245,243,237,.86);padding:72px 0}
.cta-band h2{color:#F5F3ED;font-size:clamp(24px,2.8vw,34px);line-height:1.3;letter-spacing:-.01em;margin:0 0 14px}
.cta-band p{color:rgba(245,243,237,.78);font-size:15.5px;line-height:1.9;max-width:560px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;align-items:center}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-dark);color:rgba(245,243,237,.8);padding:68px 0 28px}
.footer-grid{margin-bottom:8px}
.footer-brand .brand{color:#F5F3ED;font-size:18px;margin-bottom:14px}
.footer-brand .brand__mark{border-color:#F5F3ED}
.footer-brand .brand__mark::after{background:#F5F3ED}
.footer-brand p{color:rgba(245,243,237,.7);font-size:14px;line-height:1.8;margin:0;max-width:260px}
.footer-col h4{color:#F5F3ED;font-size:14px;letter-spacing:.1em;font-weight:600;margin:0 0 16px}
.footer-col p{color:rgba(245,243,237,.7);font-size:14px;line-height:1.85;margin:0 0 10px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links--two{display:grid;grid-template-columns:1fr 1fr;gap:10px 16px}
.footer-links a{color:rgba(245,243,237,.78);font-size:14px;position:relative;display:inline-block;padding-bottom:2px}
.footer-links a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--accent);transition:width .22s var(--ease)}
.footer-links a:hover{color:#FFFFFF}
.footer-links a:hover::after{width:100%}
.footer-qr{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.footer-qr__box{
  width:84px;height:84px;border:1px dashed rgba(245,243,237,.42);border-radius:var(--radius-card);
  background:rgba(245,243,237,.05);
}
.footer-qr span{font-size:13px;letter-spacing:.08em;color:rgba(245,243,237,.62)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  border-top:1px solid rgba(245,243,237,.16);margin-top:44px;padding-top:22px;
}
.footer-bottom p{margin:0;font-size:13px;line-height:1.8;color:rgba(245,243,237,.6)}
.footer-bottom .sep{margin:0 8px;color:rgba(245,243,237,.34)}

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

/* ---------- responsive ---------- */
@media screen and (max-width:1024px){
  :root{--gutter:28px;--section-y:72px}
  .nav-links{display:none}
  .burger{display:flex}
  .trend-entry{display:none}
  .intro-band{padding:64px 0 56px}
  .timeline{grid-template-columns:repeat(2,1fr);row-gap:48px;margin-top:40px}
  .timeline::before{display:none}
  .tl-node{padding-top:44px;padding-left:24px;border-left:1px solid var(--line)}
  .tl-node::before{top:14px;left:-8px}
  .tl-index{top:-6px}
  .metric-bar{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(3){border-left:0}
  .metric:nth-child(3),.metric:nth-child(4){border-top:1px solid var(--line)}
  .feature__text{padding-right:0;margin-bottom:28px}
  .feature-row{margin-bottom:64px}
  .cta-actions{justify-content:flex-start;margin-top:26px}
}
@media screen and (max-width:768px){
  :root{--gutter:22px;--section-y:60px}
  .header-inner{gap:14px}
  .brand{font-size:16px}
  .trend-inner{height:auto;padding:8px 0}
  .intro-lede{font-size:clamp(21px,5.4vw,27px)}
  .intro-note{font-size:15px}
  .scene{grid-template-columns:52px 1fr;gap:14px}
  .scene__tag{display:none}
  .sec-head{margin-bottom:28px}
  .footer-links--two{grid-template-columns:1fr}
  .cta-band{padding:56px 0}
}
@media screen and (max-width:520px){
  :root{--gutter:18px;--section-y:52px}
  .metric-bar{grid-template-columns:1fr}
  .metric{border-left:0;border-top:1px solid var(--line);padding:22px 18px}
  .metric:first-child{border-top:0}
  .search-form{flex-wrap:wrap}
  .search-form .btn{width:100%}
  .intro-actions .btn{width:100%}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category5 */
:root{
  --ink:#14160F;
  --ink-soft:#3A3F36;
  --paper:#F5F3ED;
  --surface:#FFFFFF;
  --line:#E3DFD3;
  --brand:#1E5B45;
  --brand-dark:#0E2E24;
  --accent:#C1552D;
  --radius-card:6px;
  --radius-btn:2px;
  --shadow-hover:0 12px 32px rgba(20,22,15,.08);
  --shadow-soft:0 2px 10px rgba(20,22,15,.05);
  --ease:cubic-bezier(.2,.7,.3,1);
  --space-section:96px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Inter","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-soft);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5,p,figure{margin:0;}
h1,h2,h3,h4{color:var(--ink);font-family:var(--font-cn);}
h1{font-size:clamp(32px,5vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
h4{font-size:16px;line-height:1.5;font-weight:600;}
strong{color:var(--ink);font-weight:600;}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink);}
::selection{background:rgba(30,91,69,.16);}
.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;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- 容器 ---------- */
.grid-container{
  max-width:1200px!important;
  margin-left:auto!important;
  margin-right:auto!important;
  padding-left:40px;
  padding-right:40px;
}
@media screen and (max-width:1024px){
  .grid-container{padding-left:28px;padding-right:28px;}
}
@media screen and (max-width:640px){
  .grid-container{padding-left:20px;padding-right:20px;}
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(245,243,237,.92);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:64px;
  transition:height .22s var(--ease);
}
.site-header.is-compact .header-inner{height:56px;}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-weight:800;
  font-size:18px;
  letter-spacing:-.01em;
  flex:0 0 auto;
}
.brand:hover{color:var(--ink);}
.brand__mark{
  position:relative;
  width:20px;height:20px;
  border-radius:3px;
  background:var(--brand);
  flex:0 0 auto;
}
.brand__mark::after{
  content:"";
  position:absolute;inset:6px;
  border:2px solid var(--paper);
  border-radius:1px;
}
.brand__text{white-space:nowrap;}

.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 0;
  font-size:15px;
  line-height:1;
  color:var(--ink-soft);
  transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  background:var(--accent);
  transition:width .22s var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{width:100%;}
.nav-link:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:2px;}

.header-tools{display:flex;align-items:center;gap:4px;flex:0 0 auto;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;
  border-radius:2px;
  color:var(--ink);
  transition:background .22s var(--ease),color .22s var(--ease);
}
.icon-btn:hover{background:rgba(30,91,69,.09);color:var(--brand);}
.icon-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.icon-btn svg{width:19px;height:19px;}
.tool-link{
  display:inline-flex;align-items:center;
  height:44px;padding:0 12px;
  font-size:13px;letter-spacing:.04em;
  color:var(--ink-soft);
}
.tool-link:hover{color:var(--brand);}
.hamburger{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:4px;
  width:44px;height:44px;
  padding:0 11px;
  border-radius:2px;
}
.hamburger span{display:block;height:2px;background:var(--ink);border-radius:1px;}

.search-panel{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
}
.search-panel.is-open{max-height:110px;border-top:1px solid var(--line);}
.search-form{display:flex;gap:12px;padding:18px 0;}
.search-form input{
  flex:1 1 auto;
  height:44px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:var(--surface);
  outline:none;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(193,85,45,.13);}

.trend-bar{background:var(--surface);border-top:1px solid var(--line);}
.trend-inner{
  display:flex;
  align-items:center;
  gap:12px;
  height:36px;
  overflow:hidden;
}
.trend-label{
  flex:0 0 auto;
  font-size:12px;
  letter-spacing:.1em;
  color:var(--accent);
}
.trend-pills{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  white-space:nowrap;
}
.trend-pills::-webkit-scrollbar{display:none;}
.pill{
  flex:0 0 auto;
  font-size:12px;
  line-height:1;
  padding:6px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--ink-soft);
  background:transparent;
  transition:border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
}
.pill:hover{border-color:var(--brand);color:var(--brand);background:rgba(30,91,69,.05);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:var(--paper);
  transform:translateX(100%);
  transition:transform .3s var(--ease);
  display:flex;
  flex-direction:column;
  padding:18px 20px 28px;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-title{font-size:15px;font-weight:700;color:var(--ink);}
.drawer-close{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:24px;line-height:1;color:var(--ink);
  border:1px solid var(--line);border-radius:2px;
}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 2px;
  font-size:18px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-nav a::after{content:"→";color:var(--accent);font-size:15px;}
.drawer-nav a.is-active{color:var(--brand);font-weight:600;}
.drawer-foot{
  margin-top:auto;
  padding-top:26px;
  font-size:13px;
  letter-spacing:.04em;
  color:var(--ink-soft);
}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:12px 26px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn .arrow{display:inline-block;transition:transform .22s var(--ease);}
.btn:hover .arrow{transform:translateX(4px);}
.btn--primary{background:var(--ink);color:var(--paper);}
.btn--primary:hover{background:var(--brand-dark);color:var(--paper);}
.btn--ghost{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn--ghost:hover{background:var(--ink);color:var(--paper);}
.btn--light{border-color:rgba(245,243,237,.44);color:var(--paper);background:transparent;}
.btn--light:hover{background:var(--paper);color:var(--brand-dark);border-color:var(--paper);}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

/* ---------- 首屏 ---------- */
.page-hero{
  padding:56px 0 48px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.55) 0%,rgba(245,243,237,0) 100%);
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--ink-soft);
  margin-bottom:18px;
}
.hero-eyebrow::before{
  content:"";
  width:2px;height:16px;
  background:var(--accent);
  border-radius:1px;
}
.hero-eyebrow .code{color:var(--accent);font-family:var(--font-num);}
.page-hero h1{max-width:18em;}
.hero-sub{
  margin-top:18px;
  max-width:38em;
  font-size:17px;
  line-height:1.85;
  color:var(--ink-soft);
}
.hero-visual{
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  position:relative;
  background:var(--surface);
}
.hero-visual img{
  width:100%;
  height:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .4s var(--ease);
}
.hero-visual::after{
  content:"";
  position:absolute;inset:0;
  background:rgba(245,243,237,.06);
  pointer-events:none;
}
.hero-visual:hover img{transform:scale(1.02);}

.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:32px;
}
.filter-chip{
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:8px 18px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--surface);
  font-size:13px;
  color:var(--ink-soft);
  transition:border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
}
.filter-chip:hover{border-color:var(--brand);color:var(--brand);}
.filter-chip.is-current{background:var(--ink);border-color:var(--ink);color:var(--paper);}
.filter-chip:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

/* ---------- 板块通用 ---------- */
.section{padding:var(--space-section) 0;}
.section--tight{padding:64px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:32px;
}
.section-head h2{margin-bottom:8px;}
.section-head p{font-size:15px;color:var(--ink-soft);}
.section-head .meta{
  font-size:13px;
  letter-spacing:.04em;
  color:var(--ink-soft);
  font-family:var(--font-num);
}

/* ---------- 公告密集列表 ---------- */
.notice-list{
  border-top:1px solid var(--line);
  background:transparent;
}
.notice-row{
  display:grid;
  grid-template-columns:122px minmax(0,1fr) 118px;
  gap:28px;
  align-items:center;
  padding:22px 20px;
  border-bottom:1px solid var(--line);
  transition:background .22s var(--ease);
}
.notice-row:hover{background:var(--surface);}
.notice-date{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:13px;
  line-height:1.7;
  color:var(--ink-soft);
}
.notice-date strong{display:block;font-size:14px;color:var(--ink);letter-spacing:.01em;}
.notice-body{min-width:0;}
.notice-title{
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink);
  transition:color .22s var(--ease);
}
.notice-row:hover .notice-title{color:var(--brand);}
.notice-desc{
  margin-top:4px;
  font-size:14px;
  line-height:1.7;
  color:var(--ink-soft);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.notice-tag{
  justify-self:end;
  text-align:right;
}
.tag{
  display:inline-block;
  font-size:12px;
  line-height:1;
  padding:6px 10px;
  border:1px solid var(--accent);
  border-radius:2px;
  color:var(--accent);
  white-space:nowrap;
  background:rgba(193,85,45,.04);
}
.tag--brand{border-color:var(--brand);color:var(--brand);background:rgba(30,91,69,.05);}

/* 分页 */
.pager{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  gap:8px;
  margin-top:40px;
}
.pager a,.pager span{
  min-width:44px;
  height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:var(--surface);
  font-size:14px;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  color:var(--ink-soft);
  transition:border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
}
.pager a:hover{border-color:var(--ink);color:var(--ink);}
.pager .is-current{background:var(--ink);border-color:var(--ink);color:var(--paper);}
.pager .is-disabled{color:#A8A79E;cursor:not-allowed;}

/* ---------- 阅读须知 ---------- */
.notes-band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.notes-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
}
.note-item{
  padding:4px 34px;
  border-left:1px solid var(--line);
}
.note-item:first-child{border-left:0;padding-left:0;}
.note-item:last-child{padding-right:0;}
.note-num{
  display:block;
  font-family:var(--font-num);
  font-size:13px;
  letter-spacing:.12em;
  color:var(--accent);
  margin-bottom:12px;
}
.note-item h3{margin-bottom:10px;font-size:19px;}
.note-item p{font-size:14.5px;line-height:1.85;color:var(--ink-soft);}

/* ---------- 订阅提醒 ---------- */
.subscribe-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:44px;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:44px;
  align-items:center;
}
.subscribe-card h2{margin-bottom:12px;}
.subscribe-card p{font-size:15px;line-height:1.85;color:var(--ink-soft);}
.subscribe-form{display:flex;gap:12px;align-items:flex-start;}
.field{flex:1 1 auto;min-width:0;}
.field label{
  display:block;
  font-size:13px;
  letter-spacing:.04em;
  color:var(--ink-soft);
  margin-bottom:8px;
}
.field input{
  width:100%;
  height:46px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:var(--paper);
  outline:none;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.field input:focus{border-color:var(--accent);background:var(--surface);box-shadow:0 0 0 3px rgba(193,85,45,.13);}
.subscribe-form .btn{margin-top:29px;flex:0 0 auto;}
.form-hint{margin-top:10px;font-size:13px;line-height:1.7;color:#7A7C71;}

/* ---------- 深色 CTA ---------- */
.cta-band{
  background:var(--brand-dark);
  color:rgba(245,243,237,.8);
  padding:72px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-band h2{color:var(--paper);margin-bottom:12px;max-width:20em;}
.cta-band p{font-size:15.5px;line-height:1.9;max-width:34em;color:rgba(245,243,237,.72);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-dark);
  color:rgba(245,243,237,.8);
  padding:64px 0 0;
  border-top:1px solid rgba(245,243,237,.12);
}
.footer-grid{padding-bottom:44px;}
.footer-brand .brand{color:var(--paper);margin-bottom:14px;}
.footer-brand .brand__mark{background:rgba(245,243,237,.9);}
.footer-brand .brand__mark::after{border-color:var(--brand-dark);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(245,243,237,.66);max-width:22em;}
.footer-col h4{
  color:var(--paper);
  font-size:14px;
  letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links--two{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px 18px;
}
.footer-links a{
  position:relative;
  font-size:14px;
  color:rgba(245,243,237,.72);
  display:inline-block;
  padding-bottom:2px;
}
.footer-links a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:1px;
  background:var(--accent);
  transition:width .22s var(--ease);
}
.footer-links a:hover{color:var(--paper);}
.footer-links a:hover::after{width:100%;}
.footer-contact p{font-size:14px;line-height:1.8;color:rgba(245,243,237,.68);margin-bottom:8px;}
.footer-qr{display:flex;flex-direction:column;gap:12px;}
.footer-qr__box{
  width:92px;height:92px;
  border:1px solid rgba(245,243,237,.28);
  border-radius:var(--radius-card);
  background:
    linear-gradient(90deg,rgba(245,243,237,.16) 1px,transparent 1px) 0 0/12px 12px,
    linear-gradient(0deg,rgba(245,243,237,.16) 1px,transparent 1px) 0 0/12px 12px;
}
.footer-qr span{font-size:13px;letter-spacing:.04em;color:rgba(245,243,237,.6);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding:20px 0 28px;
  border-top:1px solid rgba(245,243,237,.14);
  font-size:13px;
  color:rgba(245,243,237,.56);
}
.footer-bottom .sep{margin:0 8px;color:rgba(245,243,237,.32);}

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

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  :root{--space-section:72px;}
  .nav-links,.tool-link{display:none;}
  .hamburger{display:flex;}
  .hero-visual img{aspect-ratio:16/10;}
  .subscribe-card{grid-template-columns:minmax(0,1fr);gap:28px;padding:34px;}
  .notes-grid{grid-template-columns:minmax(0,1fr);}
  .note-item{
    padding:24px 0;
    border-left:0;
    border-top:1px solid var(--line);
  }
  .note-item:first-child{border-top:0;padding-top:0;}
  .note-item:last-child{padding-bottom:0;}
  .footer-links--two{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media screen and (max-width:767px){
  .header-inner{height:58px;}
  .site-header.is-compact .header-inner{height:54px;}
  .page-hero{padding:40px 0 36px;}
  .hero-sub{font-size:16px;}
  .notice-row{
    grid-template-columns:minmax(0,1fr);
    gap:10px;
    padding:20px 16px;
    align-items:start;
  }
  .notice-date{display:flex;align-items:center;gap:10px;}
  .notice-date strong{display:inline;}
  .notice-tag{justify-self:start;text-align:left;}
  .subscribe-form{flex-direction:column;align-items:stretch;}
  .subscribe-form .btn{margin-top:16px;width:100%;justify-content:center;}
  .cta-band{padding:52px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;justify-content:center;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:479px){
  h1{font-size:30px;}
  .filter-chip{padding:7px 14px;font-size:12.5px;}
  .pager a,.pager span{min-width:40px;height:40px;padding:0 10px;font-size:13px;}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
  .reveal{opacity:1;transform:none;}
}