/* roulang page: index */
:root{
  --brand-900:#0B241F;
  --brand-700:#12352E;
  --brand-500:#2E8570;
  --brand-100:#DCE9E4;
  --accent:#C98A3F;
  --accent-soft:#F3E6D2;
  --ink-900:#0E1A17;
  --ink-600:#4A5A56;
  --ink-300:#97A29E;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E4E2DB;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-xl:24px;
  --shadow-1:0 1px 2px rgba(14,26,23,.05);
  --shadow-2:0 16px 40px -20px rgba(14,26,23,.22);
  --shadow-dock:0 12px 32px -16px rgba(14,26,23,.28);
  --serif:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --sans:'PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.9;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
::selection{background:var(--accent-soft);color:var(--brand-900)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 28px}
.container.wide{max-width:1320px}
.container.narrow{max-width:760px}
.section{padding:118px 0}
.section.tight{padding:82px 0}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.14em;color:var(--brand-500);
  text-transform:uppercase;font-weight:600;margin-bottom:18px;
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--brand-500);display:inline-block}
h2.sec-title{
  font-family:var(--serif);font-size:42px;line-height:1.22;font-weight:600;
  letter-spacing:-.01em;color:var(--ink-900);
}
.sec-lead{margin-top:16px;color:var(--ink-600);max-width:640px;font-size:17px}
.sec-head{margin-bottom:56px;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px}

/* ---------- Dock nav ---------- */
.dock{
  position:fixed;top:20px;left:50%;transform:translateX(-50%);
  width:min(1120px,calc(100% - 48px));z-index:120;
  background:rgba(255,255,255,.76);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);border-radius:999px;
  box-shadow:var(--shadow-dock);
  transition:height .24s var(--ease),background-color .24s var(--ease),box-shadow .24s var(--ease);
}
.dock-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:72px;padding:0 12px 0 22px;
  transition:height .24s var(--ease);
}
.dock.scrolled .dock-inner{height:60px}
.dock.scrolled{background:rgba(255,255,255,.92);box-shadow:0 16px 38px -18px rgba(14,26,23,.34)}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;color:var(--brand-700);
  background:var(--brand-100);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-family:var(--serif);font-size:18px;font-weight:600;letter-spacing:.01em;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--brand-500)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:999px;
  font-size:14.5px;color:var(--ink-600);white-space:nowrap;
  transition:color .24s var(--ease),background-color .24s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:center;transition:transform .24s var(--ease);border-radius:2px;
}
.nav-links a:hover{color:var(--brand-700);background:var(--brand-100)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand-700);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  color:var(--ink-600);transition:background-color .24s var(--ease),color .24s var(--ease);
}
.icon-btn:hover{background:var(--brand-100);color:var(--brand-700)}
.icon-btn svg{width:18px;height:18px}
.menu-btn{display:none;width:42px;height:42px;border-radius:50%;place-items:center;color:var(--brand-700);background:var(--brand-100)}
.menu-btn svg{width:20px;height:20px}

.drawer{
  position:fixed;inset:0;background:#fff;z-index:200;
  display:flex;flex-direction:column;padding:28px 24px 32px;
  transform:translateY(-12px);opacity:0;pointer-events:none;
  transition:opacity .28s var(--ease),transform .28s var(--ease);
}
.drawer.open{opacity:1;transform:none;pointer-events:auto}
.drawer-top{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:42px;height:42px;border-radius:50%;background:var(--brand-100);display:grid;place-items:center;color:var(--brand-700)}
.drawer-close svg{width:18px;height:18px}
.drawer nav{margin-top:48px;display:flex;flex-direction:column;gap:4px}
.drawer nav a{
  font-family:var(--serif);font-size:26px;font-weight:600;padding:16px 4px;
  border-bottom:1px solid var(--line);color:var(--ink-900);
}
.drawer nav a.active{color:var(--brand-500)}
.drawer .btn{margin-top:auto;width:100%;justify-content:center}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .14s var(--ease),box-shadow .24s var(--ease);
  border:1px solid transparent;white-space:nowrap;
}
.btn svg{width:16px;height:16px;transition:transform .24s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 24px -14px rgba(201,138,63,.9)}
.btn-primary:hover{background:#B87A31}
.btn-ghost{border-color:var(--line);color:var(--brand-700);background:transparent}
.btn-ghost:hover{border-color:var(--brand-700);background:var(--brand-100)}
.btn-dark{background:var(--brand-900);color:#fff}
.btn-dark:hover{background:var(--brand-700)}
.btn-sm{padding:10px 20px;font-size:14px}

/* ---------- Hero ---------- */
.hero{padding:172px 0 72px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero h1{
  font-family:var(--serif);font-size:62px;line-height:1.15;font-weight:600;
  letter-spacing:-.02em;color:var(--ink-900);
}
.hero h1 .hl{color:var(--accent);font-style:italic;font-style:normal}
.hero-sub{margin-top:24px;font-size:18px;color:var(--ink-600);max-width:34em}
.hero-actions{margin-top:38px;display:flex;flex-wrap:wrap;gap:14px}
.hero-media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;aspect-ratio:16/10;
  box-shadow:var(--shadow-2);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,36,31,0) 40%,rgba(11,36,31,.34) 100%);
}
.hero-badge{
  position:absolute;left:20px;bottom:20px;z-index:2;
  background:rgba(255,255,255,.92);border-radius:999px;
  padding:9px 18px;font-size:13px;font-weight:600;color:var(--brand-700);
  letter-spacing:.04em;
}
.strip{margin-top:56px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip ul{display:flex;flex-wrap:wrap}
.strip li{
  flex:1 1 180px;padding:22px 24px;border-right:1px solid var(--line);
  font-size:13.5px;letter-spacing:.06em;color:var(--ink-600);
  display:flex;align-items:center;gap:10px;
}
.strip li:last-child{border-right:0}
.strip li b{font-family:var(--serif);font-size:20px;color:var(--brand-700);font-weight:600}

/* ---------- Brand intro ---------- */
.intro-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.intro-grid h2{font-family:var(--serif);font-size:36px;line-height:1.25;font-weight:600}
.intro-copy p{color:var(--ink-600);font-size:17.5px}
.intro-copy p + p{margin-top:1.5em}
.intro-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.tag{
  display:inline-flex;align-items:center;padding:7px 14px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:600;letter-spacing:.03em;
}
.tag.warm{background:var(--accent-soft);color:#8A5A1C}

/* ---------- Plan table ---------- */
.plan-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--shadow-1);
}
table.plan{width:100%;border-collapse:collapse;font-size:15.5px}
table.plan th,table.plan td{padding:20px 24px;text-align:left;border-bottom:1px solid var(--line)}
table.plan thead th{
  background:var(--bg);font-family:var(--serif);font-size:17px;font-weight:600;color:var(--ink-900);
  position:relative;
}
table.plan thead th span.desc{display:block;font-family:var(--sans);font-size:13px;font-weight:400;color:var(--ink-600);margin-top:4px;letter-spacing:.02em}
table.plan tbody th{
  font-weight:500;color:var(--ink-600);background:var(--surface);
  position:sticky;left:0;z-index:2;min-width:190px;border-right:1px solid var(--line);
}
table.plan tbody tr:last-child th,table.plan tbody tr:last-child td{border-bottom:0}
table.plan td{color:var(--ink-900)}
table.plan col.reco{background:var(--accent-soft)}
table.plan th.reco,table.plan td.reco{background:var(--accent-soft)}
table.plan th.reco{border-top:2px solid var(--accent)}
.reco-flag{
  position:absolute;top:0;right:24px;transform:translateY(-50%);
  background:var(--accent);color:#fff;font-size:12px;font-weight:700;letter-spacing:.08em;
  padding:4px 12px;border-radius:999px;
}
.cell-ico{display:inline-flex;align-items:center;gap:8px}
.cell-ico svg{width:16px;height:16px;color:var(--brand-500);flex-shrink:0}
.cell-ico.no{color:var(--ink-300)}
.cell-ico.no svg{color:var(--ink-300)}
.plan-cards{display:none}

/* ---------- Levels ---------- */
.levels{margin-top:0}
.level{
  display:grid;grid-template-columns:120px 1fr auto;gap:36px;align-items:center;
  padding:34px 0;border-bottom:1px solid var(--line);
}
.level:first-child{border-top:1px solid var(--line)}
.level-num{font-family:var(--serif);font-size:52px;line-height:1;color:var(--brand-100);font-weight:700;letter-spacing:-.02em}
.level-main h3{font-family:var(--serif);font-size:26px;font-weight:600}
.level-main p{color:var(--ink-600);margin-top:8px;font-size:16px;max-width:38em}
.level-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.level-points li{
  font-size:14px;color:var(--ink-600);background:var(--surface);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;
}
.level-metric{text-align:right;min-width:150px}
.level-metric b{font-family:var(--serif);font-size:32px;display:block;color:var(--brand-700);line-height:1.1}
.level-metric span{font-size:13px;color:var(--ink-300);letter-spacing:.06em}
.bar{height:4px;background:var(--line);border-radius:999px;margin-top:14px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--accent);border-radius:999px}

/* ---------- Content preview ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .42s var(--ease),box-shadow .42s var(--ease),border-color .42s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6D3C9}
.card-cover{aspect-ratio:4/3;overflow:hidden;background:var(--bg)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .42s var(--ease)}
.card:hover .card-cover img{transform:scale(1.02)}
.card-body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-family:var(--serif);font-size:20px;line-height:1.45;font-weight:600}
.card-body p{color:var(--ink-600);font-size:15px;flex:1}
.card-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-300);padding-top:6px;border-top:1px solid var(--line)}
.card-meta svg{width:15px;height:15px;color:var(--brand-500)}

/* ---------- News list ---------- */
.news-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.news-item{border-bottom:1px solid var(--line)}
.news-item:last-child{border-bottom:0}
.news-item > a{
  display:grid;grid-template-columns:96px 1fr auto;gap:26px;align-items:center;
  padding:24px 30px;transition:background-color .24s var(--ease),padding-left .24s var(--ease);
}
.news-item > a:hover{background:#FBFAF7;padding-left:36px}
.news-date{font-size:13px;color:var(--ink-300);letter-spacing:.04em}
.news-main h3{font-family:var(--serif);font-size:19px;font-weight:600;line-height:1.5}
.news-main p{color:var(--ink-600);font-size:14.5px;margin-top:6px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-tail{display:flex;align-items:center;gap:14px}
.news-tail svg{width:16px;height:16px;color:var(--brand-500);transition:transform .24s var(--ease)}
.news-item > a:hover .news-tail svg{transform:translateX(4px)}
.empty-state{
  padding:72px 30px;text-align:center;color:var(--ink-300);
}
.empty-state svg{width:56px;height:56px;margin:0 auto 18px;color:var(--brand-100)}
.empty-state p{font-size:15px}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:24px 0;text-align:left;font-size:18px;font-weight:500;color:var(--ink-900);
  transition:color .24s var(--ease);
}
.faq-q:hover{color:var(--brand-500)}
.faq-icon{
  position:relative;width:22px;height:22px;flex-shrink:0;
  transition:transform .24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand-500);border-radius:2px;
}
.faq-icon::before{left:0;top:50%;width:22px;height:2px;transform:translateY(-50%)}
.faq-icon::after{top:0;left:50%;width:2px;height:22px;transform:translateX(-50%)}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a p{color:var(--ink-600);font-size:16px;padding:0 44px 26px 0}

/* ---------- CTA ---------- */
.cta-block{
  background:var(--brand-900);border-radius:var(--r-xl);color:#fff;
  padding:64px;display:grid;grid-template-columns:1fr .9fr;gap:64px;align-items:start;
  position:relative;overflow:hidden;
}
.cta-block::before{
  content:"";position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 80% 20%,#000,transparent 70%);
  -webkit-mask-image:radial-gradient(circle at 80% 20%,#000,transparent 70%);
}
.cta-block > *{position:relative;z-index:1}
.cta-block h2{font-family:var(--serif);font-size:40px;line-height:1.22;font-weight:600}
.cta-list{margin-top:30px;display:flex;flex-direction:column;gap:14px}
.cta-list li{display:flex;gap:12px;align-items:flex-start;color:rgba(255,255,255,.82);font-size:16px}
.cta-list svg{width:17px;height:17px;color:var(--accent);flex-shrink:0;margin-top:5px}
.form-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-lg);padding:30px}
.form-card label{display:block;font-size:13.5px;color:rgba(255,255,255,.7);margin-bottom:8px;letter-spacing:.04em}
.field{margin-bottom:18px}
.field input,.field textarea{
  width:100%;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-sm);padding:13px 16px;color:#fff;font-size:15px;
  transition:border-color .24s var(--ease),background-color .24s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.36)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);background:rgba(255,255,255,.09);
  box-shadow:0 0 0 2px rgba(201,138,63,.35);
}
.field textarea{resize:vertical;min-height:88px}
.form-card .btn{width:100%;justify-content:center}
.form-note{font-size:13px;color:rgba(255,255,255,.5);margin-top:14px;line-height:1.7}
.form-msg{margin-top:14px;font-size:14px;color:var(--accent);display:none}
.form-msg.show{display:block}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-900);color:#fff;margin-top:118px;padding:76px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);color:#fff}
.footer-brand p{color:rgba(255,255,255,.62);font-size:14.5px;margin-top:20px;max-width:30em}
.footer-col h4{font-size:14px;letter-spacing:.1em;color:rgba(255,255,255,.5);font-weight:600;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{color:rgba(255,255,255,.78);font-size:14.5px;transition:color .24s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-col li span{color:rgba(255,255,255,.6);font-size:14.5px}
.footer-bottom{
  margin-top:60px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .64s var(--ease),transform .64s var(--ease)}
.reveal.in{opacity:1;transform:none}

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

/* ---------- Breakpoints ---------- */
@media (max-width:1199px){
  .hero h1{font-size:52px}
  .hero-grid{gap:44px}
  .intro-grid{grid-template-columns:1fr;gap:28px}
  .cta-block{padding:52px;gap:44px}
}
@media (max-width:991px){
  .nav-links{display:none}
  .menu-btn{display:grid}
  .dock-inner{padding:0 10px 0 18px}
  .hero{padding:150px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:44px}
  .section{padding:88px 0}
  .cards{grid-template-columns:repeat(2,1fr)}
  .cta-block{grid-template-columns:1fr;padding:44px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
  .level{grid-template-columns:90px 1fr;gap:24px}
  .level-metric{grid-column:2;text-align:left;margin-top:6px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:72px 0}
  .section.tight{padding:56px 0}
  h2.sec-title{font-size:30px}
  .hero h1{font-size:34px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%;justify-content:center}
  .plan-wrap{display:none}
  .plan-cards{display:grid;gap:18px}
  .plan-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 24px;
  }
  .plan-card.reco{background:var(--accent-soft);border-color:var(--accent);border-top-width:2px}
  .plan-card h3{font-family:var(--serif);font-size:22px;font-weight:600}
  .plan-card .pc-desc{color:var(--ink-600);font-size:14px;margin-top:6px}
  .plan-card ul{margin-top:20px;display:flex;flex-direction:column;gap:12px}
  .plan-card li{display:flex;gap:10px;font-size:15px;color:var(--ink-900);align-items:flex-start}
  .plan-card li svg{width:16px;height:16px;color:var(--brand-500);flex-shrink:0;margin-top:6px}
  .plan-card li.no{color:var(--ink-300)}
  .plan-card li.no svg{color:var(--ink-300)}
  .plan-card .flag{
    display:inline-block;background:var(--accent);color:#fff;font-size:12px;font-weight:700;
    letter-spacing:.08em;padding:4px 12px;border-radius:999px;margin-bottom:14px;
  }
  .level{grid-template-columns:1fr;gap:12px;padding:28px 0}
  .level-num{font-size:38px}
  .cards{grid-template-columns:1fr}
  .news-item > a{grid-template-columns:1fr;gap:10px;padding:22px 22px}
  .news-item > a:hover{padding-left:22px;background:#FBFAF7}
  .news-date{order:3}
  .news-tail{display:none}
  .cta-block{padding:32px 24px;border-radius:var(--r-lg)}
  .cta-block h2{font-size:28px}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .site-footer{margin-top:80px;padding-top:56px}
  .strip li{flex:1 1 100%;border-right:0;border-bottom:1px solid var(--line)}
  .strip li:last-child{border-bottom:0}
  .faq-q{font-size:16.5px}
  .faq-a p{padding-right:0}
}
@media (max-width:520px){
  .hero h1{font-size:29px}
  .brand-text{font-size:16px}
  .sec-head{margin-bottom:36px}
}

/* roulang page: article */
:root{
  --brand-900:#0B241F;
  --brand-700:#12352E;
  --brand-500:#2E8570;
  --brand-100:#DCE9E4;
  --accent:#C98A3F;
  --accent-soft:#F3E6D2;
  --ink-900:#0E1A17;
  --ink-600:#4A5A56;
  --ink-300:#97A29E;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E4E2DB;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-xl:24px;
  --shadow-1:0 1px 2px rgba(14,26,23,.05);
  --shadow-2:0 16px 40px -20px rgba(14,26,23,.22);
  --shadow-dock:0 12px 32px -16px rgba(14,26,23,.28);
  --ease:cubic-bezier(.22,1,.36,1);
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --font-sans:'PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
  --font-num:'Inter',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-top:104px;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
ul,ol{margin:0;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{width:min(1200px,calc(100% - 48px));margin:0 auto;}
.container.wide{width:min(1320px,calc(100% - 48px));}
.container.narrow{width:min(760px,calc(100% - 48px));}

/* ---------- Dock 导航 ---------- */
.dock{position:fixed;top:20px;left:0;right:0;z-index:90;display:flex;justify-content:center;padding:0 24px;pointer-events:none;}
.dock-inner{
  pointer-events:auto;position:relative;
  width:min(1120px,100%);
  display:flex;align-items:center;gap:22px;
  padding:11px 16px 11px 18px;
  border-radius:999px;
  background:rgba(255,255,255,.74);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-dock);
  transition:padding .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease);
}
.dock.is-compact .dock-inner{padding:7px 14px 7px 16px;background:rgba(255,255,255,.9);box-shadow:0 16px 38px -16px rgba(14,26,23,.34);}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-serif);font-weight:600;color:var(--ink-900);}
.brand-mark{width:30px;height:30px;flex:0 0 30px;display:grid;place-items:center;border-radius:999px;background:var(--brand-100);color:var(--brand-700);}
.brand-mark svg{width:19px;height:19px;}
.brand-text{font-size:16.5px;letter-spacing:.01em;white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--brand-500);}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;
  padding:8px 12px;
  font-size:15px;
  color:var(--ink-600);
  border-radius:999px;
  transition:color .2s var(--ease),background .2s var(--ease);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-links a:hover{color:var(--ink-900);}
.nav-links a:hover::after,
.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand-700);font-weight:600;}
.dock-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{width:38px;height:38px;display:grid;place-items:center;border-radius:999px;color:var(--ink-600);border:1px solid transparent;transition:.2s var(--ease);}
.icon-btn svg{width:19px;height:19px;}
.icon-btn:hover{color:var(--brand-700);background:var(--brand-100);}
.menu-btn{display:none;width:38px;height:38px;place-items:center;border-radius:999px;color:var(--brand-700);background:var(--brand-100);}
.menu-btn svg{width:20px;height:20px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn svg{width:16px;height:16px;transition:transform .24s var(--ease);}
.btn:hover svg{transform:translateX(3px);}
.btn:active{transform:translateY(1px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 24px -14px rgba(201,138,63,.9);}
.btn-primary:hover{background:#B87A32;}
.btn-ghost{border-color:var(--line);color:var(--ink-900);background:rgba(255,255,255,.6);}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700);}
.btn-light{background:#fff;color:var(--brand-900);}
.btn-light:hover{background:var(--accent-soft);}
.btn-outline-light{border-color:rgba(255,255,255,.4);color:#fff;}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08);}

/* ---------- 文章头部 ---------- */
.article-hero{padding:52px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:14px;color:var(--ink-600);}
.breadcrumb a{transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--brand-500);}
.breadcrumb .sep{color:var(--ink-300);}
.breadcrumb .current{color:var(--ink-300);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{
  font-family:var(--font-serif);
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.2;
  font-weight:600;
  letter-spacing:-.02em;
  color:var(--ink-900);
  margin:22px 0 0;
  max-width:20ch;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:24px;padding-bottom:26px;
  border-bottom:1px solid var(--line);
  font-size:14px;color:var(--ink-600);
}
.meta-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-700);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.meta-item{display:inline-flex;align-items:center;gap:7px;font-family:var(--font-num);}
.meta-item svg{width:15px;height:15px;color:var(--ink-300);}

/* ---------- 正文布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 300px;
  gap:64px;
  justify-content:center;
  align-items:start;
  padding:52px 0 0;
}
.article-main{min-width:0;}
.article-body{font-size:17.5px;line-height:1.9;color:#22322E;}
.article-body > * + *{margin-top:1.45em;}
.article-body p{margin:0;}
.article-body h2{
  font-family:var(--font-serif);font-size:29px;line-height:1.32;font-weight:600;
  color:var(--ink-900);margin:2.2em 0 .75em;padding-left:16px;border-left:4px solid var(--accent);
}
.article-body h3{font-family:var(--font-serif);font-size:22px;font-weight:600;line-height:1.4;color:var(--ink-900);margin:1.8em 0 .6em;}
.article-body h4{font-size:18px;font-weight:600;margin:1.5em 0 .5em;}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0;}
.article-body li + li{margin-top:.5em;}
.article-body blockquote{
  margin:1.9em 0;padding:22px 26px;
  background:var(--brand-100);color:var(--brand-700);
  border-left:3px solid var(--brand-500);
  border-radius:0 var(--r-md) var(--r-md) 0;
  font-size:16.5px;
}
.article-body blockquote p + p{margin-top:.8em;}
.article-body img{border-radius:var(--r-xl);box-shadow:var(--shadow-1);margin:1.8em auto;}
.article-body figure{margin:1.9em 0;}
.article-body figcaption{margin-top:12px;font-size:14px;color:var(--ink-300);text-align:center;}
.article-body table{width:100%;border-collapse:collapse;font-size:15.5px;margin:1.9em 0;background:var(--surface);border-radius:var(--r-md);overflow:hidden;}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top;}
.article-body th{background:var(--bg);font-weight:600;}
.article-body code{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:.9em;font-family:var(--font-num);}
.article-body pre{background:var(--brand-900);color:#E6F1ED;border-radius:var(--r-md);padding:20px 22px;overflow-x:auto;font-size:14.5px;line-height:1.75;}
.article-body pre code{background:none;border:0;padding:0;color:inherit;}
.article-body a{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px;transition:color .2s var(--ease);}
.article-body a:hover{color:var(--brand-700);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.6em 0;}
.article-body strong{font-weight:600;color:var(--ink-900);}

/* 空态 */
.empty-state{
  padding:64px 32px;text-align:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow-1);
}
.empty-state .empty-mark{width:64px;height:64px;margin:0 auto 20px;color:var(--brand-500);opacity:.7;}
.empty-state h2{font-family:var(--font-serif);font-size:24px;font-weight:600;margin:0 0 10px;}
.empty-state p{color:var(--ink-600);font-size:15.5px;margin:0 0 24px;}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:112px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow-1);}
.side-card h3{
  font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-300);margin:0 0 16px;
}
.toc-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;font-size:14.5px;}
.toc-list a{display:block;padding-left:11px;border-left:2px solid var(--line);color:var(--ink-600);transition:.2s var(--ease);}
.toc-list a:hover{color:var(--brand-500);border-color:var(--brand-500);}
.side-card.dark{background:var(--brand-900);border-color:var(--brand-900);color:#fff;}
.side-card.dark h3{color:rgba(255,255,255,.45);}
.side-card.dark p{color:rgba(255,255,255,.68);font-size:14.5px;line-height:1.8;margin:0 0 18px;}
.side-card.dark .btn{width:100%;}

/* ---------- 上下篇 ---------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:64px;}
.post-nav a{
  display:block;padding:22px 24px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.post-nav a:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-100);}
.post-nav span{display:block;font-size:13px;letter-spacing:.08em;color:var(--ink-300);margin-bottom:8px;}
.post-nav strong{font-family:var(--font-serif);font-size:17px;font-weight:600;color:var(--ink-900);}
.post-nav a.next{text-align:right;}
.back-row{margin-top:28px;text-align:center;}
.back-row a{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--brand-500);border-bottom:1px solid transparent;transition:.2s var(--ease);}
.back-row a:hover{border-color:var(--brand-500);gap:12px;}

/* ---------- 相关推荐 ---------- */
.section{padding:110px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px;}
.section-head h2{font-family:var(--font-serif);font-size:clamp(26px,3.2vw,38px);font-weight:600;letter-spacing:-.01em;line-height:1.25;}
.section-head p{margin-top:12px;font-size:16px;color:var(--ink-600);max-width:44ch;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.16em;color:var(--brand-500);font-weight:600;margin-bottom:16px;}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--brand-500);}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  transition:transform .42s var(--ease),box-shadow .42s var(--ease),border-color .42s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-100);}
.card-cover{aspect-ratio:4/3;overflow:hidden;background:var(--bg);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .42s var(--ease);}
.card:hover .card-cover img{transform:scale(1.02);}
.card-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.tag{display:inline-flex;align-items:center;align-self:flex-start;padding:5px 12px;border-radius:999px;background:var(--brand-100);color:var(--brand-700);font-size:12.5px;font-weight:600;letter-spacing:.04em;}
.card-body h3{font-family:var(--font-serif);font-size:19px;font-weight:600;line-height:1.45;color:var(--ink-900);}
.card-body p{font-size:15px;line-height:1.8;color:var(--ink-600);}
.card-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--ink-300);}
.card-foot .arrow{transition:transform .24s var(--ease);color:var(--brand-500);}
.card:hover .card-foot .arrow{transform:translateX(4px);}

/* ---------- CTA ---------- */
.join-section{padding:120px 0 0;}
.join-card{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;
  background:var(--brand-900);color:#fff;border-radius:var(--r-xl);
  padding:60px 56px;position:relative;overflow:hidden;
}
.join-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
}
.join-copy{position:relative;z-index:1;}
.join-copy h2{font-family:var(--font-serif);font-size:clamp(26px,3.2vw,38px);font-weight:600;line-height:1.24;color:#fff;}
.join-copy > p{margin-top:16px;color:rgba(255,255,255,.7);font-size:16px;max-width:36ch;}
.check-list{list-style:none;padding:0;margin:28px 0 0;display:flex;flex-direction:column;gap:14px;}
.check-list li{display:flex;gap:11px;align-items:flex-start;font-size:15.5px;color:rgba(255,255,255,.88);}
.check-list svg{width:17px;height:17px;flex:0 0 17px;margin-top:4px;color:var(--accent);}
.join-form{position:relative;z-index:1;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);padding:28px;display:flex;flex-direction:column;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13.5px;color:rgba(255,255,255,.62);letter-spacing:.03em;}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);color:#fff;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input::placeholder{color:rgba(255,255,255,.36);}
.field select option{color:#0E1A17;}
.field input:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(201,138,63,.55);}
.form-note{font-size:13px;line-height:1.7;color:rgba(255,255,255,.5);}
.join-form .btn{width:100%;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#fff;margin-top:120px;padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;}
.footer-brand .brand{color:#fff;}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);color:#fff;}
.footer-brand .brand-text em{color:#7FC9B3;}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.6);max-width:34em;}
.footer-col h4{font-size:13.5px;font-weight:600;letter-spacing:.1em;color:rgba(255,255,255,.48);margin:0 0 18px;}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-col span{font-size:14.5px;color:rgba(255,255,255,.76);transition:color .2s var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 动效 ---------- */
.reveal{transition:opacity .64s var(--ease),transform .64s var(--ease);}
html.js .reveal{opacity:0;transform:translateY(16px);}
html.js .reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,760px);gap:44px;}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap;}
  .article-side .side-card{flex:1 1 300px;}
}
@media (max-width:991px){
  body{padding-top:96px;}
  .nav-links{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:16px;border-radius:var(--r-lg);
    background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-2);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
  }
  body.nav-open .nav-links{opacity:1;visibility:visible;transform:none;}
  .nav-links a{padding:14px 14px;font-size:16.5px;border-radius:var(--r-sm);}
  .nav-links a::after{display:none;}
  .nav-links a.active{background:var(--brand-100);}
  .menu-btn{display:grid;}
  .dock-actions .icon-btn{display:none;}
  .join-card{grid-template-columns:1fr;padding:44px 32px;gap:36px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .section{padding-top:80px;}
  .join-section{padding-top:88px;}
}
@media (max-width:768px){
  body{font-size:16px;padding-top:92px;}
  .container,.container.wide,.container.narrow{width:calc(100% - 32px);}
  .dock{padding:0 16px;}
  .brand-text{font-size:15px;}
  .article-hero{padding-top:36px;}
  .article-hero h1{max-width:none;}
  .article-layout{padding-top:36px;}
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:24px;}
  .article-body h3{font-size:20px;}
  .post-nav{grid-template-columns:1fr;gap:14px;margin-top:48px;}
  .post-nav a.next{text-align:left;}
  .card-grid{grid-template-columns:1fr;}
  .section{padding-top:64px;}
  .join-section{padding-top:68px;padding-bottom:0;}
  .join-card{padding:34px 22px;}
  .join-form{padding:22px;}
  .site-footer{margin-top:80px;padding-top:56px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .dock-inner{gap:10px;padding:9px 12px;}
  .dock-actions .btn-sm{padding:9px 15px;font-size:13.5px;}
  .brand-mark{width:26px;height:26px;flex:0 0 26px;}
  .brand-text{font-size:14px;}
  .meta-row{gap:8px 16px;}
  .article-side .side-card{flex:1 1 100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
  html.js .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0B241F;
  --brand-700:#12352E;
  --brand-500:#2E8570;
  --brand-100:#DCE9E4;
  --accent:#C98A3F;
  --accent-soft:#F3E6D2;
  --ink-900:#0E1A17;
  --ink-600:#4A5A56;
  --ink-300:#97A29E;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E4E2DB;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-xl:24px;
  --shadow-1:0 1px 2px rgba(14,26,23,.05);
  --shadow-2:0 16px 40px -20px rgba(14,26,23,.22);
  --shadow-dock:0 12px 32px -16px rgba(14,26,23,.28);
  --ease:cubic-bezier(.22,1,.36,1);
  --serif:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --sans:'PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding:104px 0 0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.9;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;letter-spacing:-.01em;color:var(--ink-900)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container.wide{max-width:1320px}
.container.narrow{max-width:760px}

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;
  top:20px;left:0;right:0;
  z-index:80;
  display:flex;justify-content:center;
  padding:0 24px;
  pointer-events:none;
}
.dock-inner{
  pointer-events:auto;
  width:100%;
  max-width:min(1120px,calc(100% - 0px));
  display:flex;align-items:center;gap:24px;
  padding:12px 14px 12px 22px;
  background:rgba(255,255,255,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow-dock);
  transition:padding .24s var(--ease),background .24s var(--ease);
}
.dock.is-compact .dock-inner{padding:8px 12px 8px 20px;background:rgba(255,255,255,.92)}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:30px;height:30px;color:var(--brand-700);display:inline-flex}
.brand-mark svg{width:100%;height:100%}
.brand-text{
  font-family:var(--serif);
  font-size:18px;font-weight:600;letter-spacing:.01em;
  color:var(--brand-900);white-space:nowrap;
}
.brand-text em{font-style:normal;font-family:var(--sans);font-size:13px;letter-spacing:.14em;color:var(--brand-500);margin:0 1px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;margin-right:auto}
.nav-links a{
  position:relative;
  padding:8px 12px;
  font-size:15px;color:var(--ink-600);
  border-radius:999px;
  transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-links a:hover{color:var(--brand-900);background:var(--brand-100)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand-900);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-600);border:1px solid transparent;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.icon-btn svg{width:19px;height:19px}
.icon-btn:hover{background:var(--brand-100);color:var(--brand-700);border-color:var(--line)}
.menu-btn{display:none;width:38px;height:38px;border-radius:50%;align-items:center;justify-content:center;color:var(--brand-900);border:1px solid var(--line)}
.menu-btn svg{width:20px;height:20px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-md);
  font-size:15px;font-weight:500;
  padding:13px 24px;
  border:1px solid transparent;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn svg{width:16px;height:16px;transition:transform .24s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 24px -14px rgba(201,138,63,.9)}
.btn-primary:hover{background:#b87a33}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--brand-900);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700);background:rgba(255,255,255,.7)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:999px}
.btn-block{width:100%}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  margin:0 24px;
  border-radius:var(--r-xl);
  overflow:hidden;
  max-width:1320px;
  margin-left:auto;margin-right:auto;
  background:var(--brand-900);
  isolation:isolate;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.34;z-index:-2;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,36,31,.72) 0%,rgba(11,36,31,.9) 100%);
  z-index:-1;
}
.page-hero-inner{
  max-width:1200px;margin:0 auto;
  padding:96px 40px 84px;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.62);margin-bottom:26px}
.crumbs a{color:rgba(255,255,255,.8)}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs span.sep{color:rgba(255,255,255,.35)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;
  color:var(--accent-soft);
  border:1px solid rgba(243,230,210,.3);
  border-radius:999px;
  padding:6px 14px;margin-bottom:26px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.page-hero h1{
  color:#fff;
  font-size:clamp(32px,4.6vw,60px);
  line-height:1.16;
  max-width:16em;
}
.page-hero h1 em{font-style:italic;color:var(--accent-soft)}
.hero-lead{
  margin-top:24px;max-width:620px;
  color:rgba(255,255,255,.78);
  font-size:18px;line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:52px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.16);
}
.hero-stats li{
  font-size:14px;color:rgba(255,255,255,.72);
  padding:7px 16px;border:1px solid rgba(255,255,255,.18);border-radius:999px;
}
.hero-stats li b{color:#fff;font-weight:600;margin-right:6px}

/* ---------- 通用板块 ---------- */
.section{padding:112px 0 0}
.section-head{max-width:720px;margin-bottom:56px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-tag{
  display:inline-block;font-size:13px;letter-spacing:.14em;
  color:var(--brand-700);background:var(--brand-100);
  padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.section-head h2{font-size:clamp(26px,3vw,40px);line-height:1.25}
.section-head p{margin-top:18px;color:var(--ink-600);font-size:17px}

/* ---------- 图文交错 ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
  padding:48px 0;
  border-top:1px solid var(--line);
}
.split:first-of-type{border-top:0;padding-top:0}
.split.reverse .split-media{order:-1}
.split-index{
  font-family:var(--sans);font-size:13px;letter-spacing:.16em;
  color:var(--accent);font-weight:600;margin-bottom:16px;display:block;
}
.split h3{font-size:clamp(22px,2.4vw,28px);line-height:1.35;margin-bottom:18px}
.split p{color:var(--ink-600);margin-bottom:16px;max-width:34em}
.split-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:10px 0;color:var(--ink-600);font-size:16px;
}
.split-list li svg{width:18px;height:18px;flex:0 0 auto;margin-top:7px;color:var(--brand-500)}
.split-media{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-2)}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .42s var(--ease)}
.split-media:hover img{transform:scale(1.02)}
.split-media figcaption{
  position:absolute;left:16px;bottom:16px;
  background:rgba(11,36,31,.72);color:#fff;
  font-size:13px;padding:7px 14px;border-radius:999px;
  backdrop-filter:blur(8px);
}

/* ---------- 权益卡片带 ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px;
  box-shadow:var(--shadow-1);
  transition:transform .42s var(--ease),box-shadow .42s var(--ease),border-color .42s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#d7d4ca}
.card-badge{
  display:inline-block;font-size:13px;letter-spacing:.08em;
  color:var(--brand-700);background:var(--brand-100);
  padding:5px 12px;border-radius:999px;margin-bottom:18px;
}
.card h3{font-size:21px;line-height:1.4;margin-bottom:12px}
.card p{color:var(--ink-600);font-size:16px}
.card-num{
  font-family:var(--sans);font-size:34px;font-weight:600;color:var(--brand-100);
  line-height:1;margin-bottom:18px;
}

/* ---------- 等级条 ---------- */
.levels{display:grid;gap:18px}
.level{
  display:grid;grid-template-columns:64px 1fr auto;gap:24px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 30px;
  transition:transform .42s var(--ease),box-shadow .42s var(--ease);
}
.level:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.level.featured{background:var(--accent-soft);border-color:rgba(201,138,63,.45)}
.level-idx{font-family:var(--sans);font-size:15px;letter-spacing:.1em;color:var(--ink-300)}
.level h3{font-size:21px;margin-bottom:6px}
.level p{color:var(--ink-600);font-size:16px}
.level-meter{width:150px;height:6px;border-radius:999px;background:var(--line);overflow:hidden}
.level-meter i{display:block;height:100%;background:var(--brand-500)}
.level.featured .level-meter i{background:var(--accent)}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  padding:28px 24px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);
  transition:border-color .24s var(--ease),transform .42s var(--ease);
}
.step:hover{border-color:var(--brand-500);transform:translateY(-3px)}
.step b{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;
  background:var(--brand-900);color:#fff;font-size:14px;font-weight:600;
  margin-bottom:18px;
}
.step h4{font-size:18px;margin-bottom:10px}
.step p{color:var(--ink-600);font-size:15px}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 0;font-size:18px;font-weight:500;color:var(--ink-900);
  cursor:pointer;list-style:none;
  transition:color .24s var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--brand-700)}
.faq summary .plus{
  flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform .24s var(--ease);
}
.faq summary .plus::before,.faq summary .plus::after{
  content:"";position:absolute;background:var(--brand-500);border-radius:2px;
}
.faq summary .plus::before{left:0;right:0;top:10px;height:2px}
.faq summary .plus::after{top:0;bottom:0;left:10px;width:2px}
.faq details[open] summary .plus{transform:rotate(45deg)}
.faq .answer{padding:0 40px 26px 0;color:var(--ink-600);font-size:16px}

/* ---------- CTA ---------- */
.cta{
  margin-top:112px;
  background:var(--brand-900);
  border-radius:var(--r-xl);
  padding:64px 56px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;
  color:#fff;
  position:relative;overflow:hidden;
}
.cta::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
}
.cta h2{color:#fff;font-size:clamp(26px,3vw,38px);line-height:1.25;margin-bottom:22px}
.cta-points li{display:flex;gap:12px;align-items:flex-start;color:rgba(255,255,255,.78);padding:8px 0;font-size:16px}
.cta-points svg{width:17px;height:17px;flex:0 0 auto;margin-top:6px;color:var(--accent)}
.cta-form{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-lg);
  padding:30px;position:relative;z-index:1;
}
.cta-form label{display:block;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:8px}
.cta-form .field{margin-bottom:18px}
.cta-form input,.cta-form select{
  width:100%;padding:12px 14px;font-size:15px;
  background:rgba(255,255,255,.96);color:var(--ink-900);
  border:1px solid transparent;border-radius:var(--r-sm);
  transition:box-shadow .24s var(--ease);
}
.cta-form input:focus,.cta-form select:focus{
  outline:none;box-shadow:0 0 0 2px var(--accent);
}
.cta-form .note{font-size:13px;color:rgba(255,255,255,.6);margin-top:14px;line-height:1.7}

/* ---------- 切换条 ---------- */
.next-strip{
  margin-top:88px;
  border-top:1px solid var(--line);
  padding-top:36px;
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
}
.next-strip .label{font-size:14px;color:var(--ink-300);letter-spacing:.08em;margin-right:8px}
.next-strip a{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);
  font-size:15px;color:var(--ink-600);
  transition:color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.next-strip a svg{width:15px;height:15px;transition:transform .24s var(--ease)}
.next-strip a:hover{color:var(--brand-700);border-color:var(--brand-500);transform:translateY(-2px)}
.next-strip a:hover svg{transform:translateX(3px)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:128px;background:var(--brand-900);color:#fff;padding:76px 0 34px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-mark{color:var(--accent)}
.footer-brand p{margin-top:20px;color:rgba(255,255,255,.62);font-size:15px;line-height:1.85;max-width:34em}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:20px;letter-spacing:.06em}
.footer-col li{margin-bottom:12px}
.footer-col a,.footer-col span{color:rgba(255,255,255,.62);font-size:15px;transition:color .24s var(--ease)}
.footer-col a:hover{color:#fff}
.footer-bottom{
  margin-top:56px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .64s var(--ease),transform .64s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .split{gap:44px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  body{padding-top:96px}
  .nav-links{
    position:fixed;inset:0;z-index:90;
    display:flex;flex-direction:column;justify-content:center;gap:8px;
    background:rgba(255,255,255,.98);
    padding:96px 32px 120px;
    transform:translateY(-8px);opacity:0;visibility:hidden;
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
  }
  .nav-links.is-open{opacity:1;visibility:visible;transform:none}
  .nav-links a{font-size:24px;font-family:var(--serif);padding:14px 0;color:var(--brand-900)}
  .nav-links a::after{display:none}
  .menu-btn{display:inline-flex}
  .dock-actions .btn-sm{display:none}
  .page-hero-inner{padding:72px 28px 64px}
  .split{grid-template-columns:1fr;gap:32px;padding:40px 0}
  .split.reverse .split-media{order:0}
  .cta{grid-template-columns:1fr;padding:48px 32px;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .section{padding:80px 0 0}
}
@media (max-width:767px){
  body{font-size:16px;padding-top:88px}
  .container{padding:0 18px}
  .dock{padding:0 14px;top:14px}
  .dock-inner{padding:10px 12px 10px 16px;gap:12px}
  .brand-text{font-size:16px}
  .page-hero{margin:0 14px;border-radius:var(--r-lg)}
  .page-hero-inner{padding:56px 22px 48px}
  .hero-lead{font-size:16px}
  .cards{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .level{grid-template-columns:1fr;gap:14px;padding:22px}
  .level-meter{width:100%}
  .cta{margin-top:72px;border-radius:var(--r-lg)}
  .site-footer{padding:56px 0 28px;margin-top:88px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .next-strip{margin-top:64px}
  .section{padding:64px 0 0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --brand-900:#0B241F;
  --brand-700:#12352E;
  --brand-500:#2E8570;
  --brand-100:#DCE9E4;
  --accent:#C98A3F;
  --accent-soft:#F3E6D2;
  --ink-900:#0E1A17;
  --ink-600:#4A5A56;
  --ink-300:#97A29E;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E4E2DB;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-xl:24px;
  --shadow-1:0 1px 2px rgba(14,26,23,.05);
  --shadow-2:0 16px 40px -20px rgba(14,26,23,.22);
  --shadow-dock:0 12px 32px -16px rgba(14,26,23,.28);
  --ease:cubic-bezier(.22,1,.36,1);
  --serif:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --sans:'PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.9;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;margin:0;line-height:1.22;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--accent-soft);color:var(--brand-900)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container.wide{max-width:1320px}
.container.narrow{max-width:760px}

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;top:20px;left:0;right:0;z-index:80;
  display:flex;justify-content:center;padding:0 24px;
  pointer-events:none;
}
.dock-inner{
  pointer-events:auto;
  width:100%;max-width:min(1120px,100%);
  display:flex;align-items:center;gap:26px;
  padding:12px 20px;
  background:rgba(255,255,255,.72);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow-dock);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:padding 240ms var(--ease),background 240ms var(--ease),box-shadow 240ms var(--ease);
}
.dock.scrolled .dock-inner{
  padding:7px 18px;
  background:rgba(255,255,255,.92);
  box-shadow:0 18px 40px -18px rgba(14,26,23,.34);
}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:30px;height:30px;color:var(--brand-700);flex:none}
.brand-mark svg{width:100%;height:100%}
.brand-text{font-family:var(--serif);font-size:17px;font-weight:600;color:var(--brand-900);letter-spacing:.01em}
.brand-text em{font-style:normal;color:var(--brand-500);padding:0 1px}

.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav-links a{
  position:relative;font-size:15px;color:var(--ink-600);padding:6px 2px;
  transition:color 240ms var(--ease);white-space:nowrap;
}
.nav-links a::after{
  content:'';position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform 420ms var(--ease);
}
.nav-links a:hover{color:var(--ink-900)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink-900);font-weight:500}
.nav-links a.active::after{transform:scaleX(1)}

.dock-actions{display:flex;align-items:center;gap:10px;flex:none}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--surface);border-radius:999px;
  color:var(--ink-600);cursor:pointer;transition:color 240ms var(--ease),border-color 240ms var(--ease),transform 240ms var(--ease);
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{color:var(--brand-700);border-color:var(--brand-100)}
.icon-btn:active{transform:translateY(1px)}

.menu-btn{
  display:none;width:38px;height:38px;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--surface);border-radius:999px;color:var(--ink-900);cursor:pointer;
}
.menu-btn svg{width:20px;height:20px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;border:1px solid transparent;
  font-size:16px;font-weight:500;cursor:pointer;white-space:nowrap;
  transition:background 240ms var(--ease),color 240ms var(--ease),border-color 240ms var(--ease),transform 240ms var(--ease),box-shadow 240ms var(--ease);
}
.btn svg{width:16px;height:16px;transition:transform 240ms var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#FFF;box-shadow:0 10px 24px -14px rgba(201,138,63,.9)}
.btn-primary:hover{background:#B87A31}
.btn-ghost{background:transparent;color:var(--ink-900);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700)}
.btn-light{background:#FFF;color:var(--brand-900)}
.btn-light:hover{background:var(--accent-soft)}
.btn-sm{padding:9px 18px;font-size:14px}

/* ---------- 通用板块 ---------- */
main{padding-top:118px}
.section{padding:104px 0}
.section.tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:56px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--brand-700);background:var(--brand-100);
  padding:6px 14px;border-radius:999px;margin-bottom:20px;font-weight:500;
}
.eyebrow::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent)}
.section-head h2{font-size:clamp(28px,3.4vw,42px);margin-bottom:18px}
.section-head p{color:var(--ink-600);font-size:17px;max-width:62ch}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- Hero ---------- */
.hero{padding:36px 0 0}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero h1{font-size:clamp(38px,4.6vw,60px);line-height:1.14;margin-bottom:24px}
.hero h1 .mark{color:var(--accent);font-style:italic}
.hero-sub{font-size:19px;color:var(--ink-600);max-width:34ch;margin-bottom:34px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-note{font-size:14px;color:var(--ink-300)}
.hero-media{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-2)}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-media::after{
  content:'';position:absolute;inset:0;
  background:radial-gradient(120% 90% at 70% 30%,rgba(11,36,31,0) 40%,rgba(11,36,31,.28) 100%);
}
.hero-media figcaption{
  position:absolute;left:22px;bottom:20px;z-index:2;color:#FFF;
  font-size:14px;letter-spacing:.02em;text-shadow:0 1px 6px rgba(11,36,31,.5);
}

.stat-strip{margin-top:64px;border-top:1px solid var(--line)}
.stat-strip ul{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-strip li{
  padding:24px 24px 24px 0;font-size:14px;color:var(--ink-600);
  border-right:1px solid var(--line);display:flex;align-items:center;gap:10px;
}
.stat-strip li:last-child{border-right:0}
.stat-strip li::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--brand-500);flex:none}

/* ---------- 大编号列表 ---------- */
.num-list{border-top:1px solid var(--line)}
.num-list li{
  display:grid;grid-template-columns:96px 1fr auto;gap:28px;align-items:start;
  padding:30px 8px;border-bottom:1px solid var(--line);
  transition:padding 420ms var(--ease),background 420ms var(--ease);
}
.num-list li:hover{padding-left:28px;padding-right:28px;background:var(--surface)}
.num-index{
  font-family:'Inter',system-ui,sans-serif;font-variant-numeric:tabular-nums;
  font-size:15px;letter-spacing:.08em;color:var(--accent);padding-top:8px;font-weight:600;
}
.num-body h3{font-size:23px;margin-bottom:8px}
.num-body p{color:var(--ink-600);font-size:16px;line-height:1.8;max-width:66ch}
.num-tag{
  align-self:center;font-size:13px;color:var(--brand-700);background:var(--brand-100);
  padding:5px 12px;border-radius:999px;white-space:nowrap;
}

/* ---------- 场景卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform 420ms var(--ease),box-shadow 420ms var(--ease),border-color 420ms var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D8D5CC}
.card-media{overflow:hidden;background:var(--bg)}
.card-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 640ms var(--ease)}
.card:hover .card-media img{transform:scale(1.02)}
.card-body{padding:28px 28px 32px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:21px}
.card-body p{color:var(--ink-600);font-size:16px;line-height:1.8}
.card-foot{margin-top:auto;padding-top:16px;font-size:14px;color:var(--brand-700);display:flex;align-items:center;gap:8px}
.card-foot svg{width:15px;height:15px}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;background:var(--surface)}
.step{padding:34px 28px;border-right:1px solid var(--line);position:relative}
.step:last-child{border-right:0}
.step-num{
  font-family:'Inter',system-ui,sans-serif;font-variant-numeric:tabular-nums;
  font-size:14px;letter-spacing:.08em;color:var(--accent);font-weight:600;margin-bottom:14px;display:block;
}
.step h3{font-size:19px;margin-bottom:10px}
.step p{color:var(--ink-600);font-size:15px;line-height:1.8}
.step::before{
  content:'';position:absolute;left:0;top:0;height:3px;width:100%;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform 640ms var(--ease);
}
.step:hover::before{transform:scaleX(1)}

/* ---------- 指标带 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
}
.metric{background:var(--surface);padding:34px 28px}
.metric strong{
  display:block;font-family:'Inter',system-ui,sans-serif;font-variant-numeric:tabular-nums;
  font-size:40px;line-height:1.1;font-weight:600;color:var(--brand-700);margin-bottom:8px;letter-spacing:-.02em;
}
.metric span{font-size:15px;color:var(--ink-600);display:block;line-height:1.7}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:26px 0;font-size:18px;font-weight:500;color:var(--ink-900);transition:color 240ms var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-700)}
.faq-toggle{position:relative;width:22px;height:22px;flex:none;transition:transform 240ms var(--ease)}
.faq-toggle::before,.faq-toggle::after{
  content:'';position:absolute;background:var(--accent);border-radius:2px;
}
.faq-toggle::before{left:0;top:10px;width:22px;height:2px}
.faq-toggle::after{left:10px;top:0;width:2px;height:22px}
.faq-item[open] .faq-toggle{transform:rotate(45deg)}
.faq-answer{padding:0 0 26px;color:var(--ink-600);font-size:16px;line-height:1.88;max-width:64ch}

/* ---------- CTA ---------- */
.cta-dark{
  background:var(--brand-900);color:#FFF;border-radius:var(--r-xl);
  padding:64px;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-dark::before{
  content:'';position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
}
.cta-dark > *{position:relative}
.cta-dark h2{font-size:clamp(28px,3.2vw,40px);color:#FFF;margin-bottom:16px}
.cta-dark p.lead{color:rgba(255,255,255,.72);font-size:17px;max-width:40ch;margin-bottom:28px}
.cta-points{display:flex;flex-direction:column;gap:14px;margin-bottom:32px}
.cta-points li{display:flex;align-items:flex-start;gap:12px;font-size:16px;color:rgba(255,255,255,.86)}
.cta-points svg{width:18px;height:18px;color:var(--accent);flex:none;margin-top:5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-note{font-size:13px;color:rgba(255,255,255,.5);margin-top:18px}
.cta-panel{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-lg);padding:32px;
}
.cta-panel h3{font-size:20px;color:#FFF;margin-bottom:18px}
.cta-panel dl{margin:0;display:flex;flex-direction:column;gap:16px}
.cta-panel dt{font-size:14px;color:rgba(255,255,255,.55);margin-bottom:4px}
.cta-panel dd{margin:0;font-size:16px;color:#FFF}

/* ---------- 下一分类切换条 ---------- */
.next-strip{border-top:1px solid var(--line);padding:44px 0 0}
.next-strip h3{font-size:16px;color:var(--ink-600);font-family:var(--sans);font-weight:400;letter-spacing:.02em;margin-bottom:20px}
.next-links{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.next-link{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;font-family:var(--serif);font-size:18px;font-weight:600;
  transition:transform 420ms var(--ease),border-color 420ms var(--ease),box-shadow 420ms var(--ease);
}
.next-link span.arrow{color:var(--accent);transition:transform 240ms var(--ease)}
.next-link:hover{transform:translateY(-3px);border-color:#D8D5CC;box-shadow:var(--shadow-2)}
.next-link:hover span.arrow{transform:translateX(4px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#FFF;margin-top:120px;padding:76px 0 34px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.14)}
.footer-brand .brand{margin-bottom:20px}
.footer-brand .brand-mark{color:var(--accent)}
.footer-brand .brand-text{color:#FFF;font-size:18px}
.footer-brand .brand-text em{color:var(--accent)}
.footer-brand p{color:rgba(255,255,255,.62);font-size:15px;line-height:1.85;max-width:38ch}
.footer-col h4{font-size:16px;color:#FFF;margin-bottom:20px;font-family:var(--sans);font-weight:600;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a,.footer-col span{font-size:15px;color:rgba(255,255,255,.66);transition:color 240ms var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding-top:26px;font-size:13px;color:rgba(255,255,255,.48);
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 640ms var(--ease),transform 640ms var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{gap:44px}
  .num-list li{grid-template-columns:80px 1fr auto;gap:22px}
}
@media (max-width:991px){
  main{padding-top:104px}
  .menu-btn{display:inline-flex}
  .nav-links{
    position:fixed;inset:0;z-index:-1;
    flex-direction:column;align-items:flex-start;justify-content:center;gap:26px;
    background:#FFF;padding:120px 32px 100px;margin:0;
    opacity:0;pointer-events:none;transform:translateY(-10px);
    transition:opacity 240ms var(--ease),transform 240ms var(--ease);
  }
  .nav-links.open{opacity:1;pointer-events:auto;transform:none;z-index:75}
  .nav-links a{font-family:var(--serif);font-size:26px;color:var(--ink-900);padding:4px 0}
  .nav-links a::after{display:none}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-sub{max-width:52ch}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step{border-bottom:1px solid var(--line)}
  .step:nth-child(2n){border-right:0}
  .step:nth-last-child(-n+2){border-bottom:0}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .cta-dark{grid-template-columns:1fr;padding:48px}
  .next-links{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .stat-strip ul{grid-template-columns:repeat(2,1fr)}
  .stat-strip li:nth-child(2){border-right:0}
  .stat-strip li:nth-child(1),.stat-strip li:nth-child(2){border-bottom:1px solid var(--line)}
}
@media (max-width:767px){
  body{font-size:16px}
  .dock{padding:0 14px;top:12px}
  .dock-inner{gap:12px;padding:10px 14px}
  .brand-text{font-size:15px}
  .dock-actions .icon-btn{display:none}
  .section{padding:64px 0}
  .section.tight{padding:52px 0}
  .section-head{margin-bottom:36px}
  .hero h1{font-size:clamp(30px,8.4vw,40px)}
  .hero-sub{font-size:17px}
  .num-list li{grid-template-columns:1fr;gap:10px;padding:26px 4px}
  .num-list li:hover{padding-left:14px;padding-right:14px}
  .num-tag{justify-self:start}
  .card-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step{border-right:0;border-bottom:1px solid var(--line)}
  .step:last-child{border-bottom:0}
  .step:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
  .metrics{grid-template-columns:1fr}
  .cta-dark{padding:34px 24px;border-radius:var(--r-lg)}
  .next-link{font-size:17px;padding:18px 20px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding:56px 0 28px;margin-top:80px}
  .stat-strip li{font-size:13px;padding:18px 16px 18px 0}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .stat-strip ul{grid-template-columns:1fr}
  .stat-strip li{border-right:0;border-bottom:1px solid var(--line)}
  .stat-strip li:last-child{border-bottom:0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --brand-900:#0B241F;
  --brand-700:#12352E;
  --brand-500:#2E8570;
  --brand-100:#DCE9E4;
  --accent:#C98A3F;
  --accent-soft:#F3E6D2;
  --ink-900:#0E1A17;
  --ink-600:#4A5A56;
  --ink-300:#97A29E;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E4E2DB;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-xl:24px;
  --shadow-1:0 1px 2px rgba(14,26,23,.05);
  --shadow-2:0 16px 40px -20px rgba(14,26,23,.22);
  --shadow-dock:0 12px 32px -16px rgba(14,26,23,.28);
  --ease:cubic-bezier(.22,1,.36,1);
  --serif:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --sans:'PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.9;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  padding-top:112px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;margin:0;color:var(--ink-900);letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.container{width:min(1200px,calc(100% - 48px));margin:0 auto;}
.container.wide{width:min(1320px,calc(100% - 48px));}
.container.narrow{width:min(760px,calc(100% - 48px));}
.section{padding:104px 0;}
.section.tight{padding:72px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--brand-500);
  background:var(--brand-100);border-radius:999px;padding:6px 14px;font-weight:600;
}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{font-size:40px;line-height:1.22;margin-bottom:16px;}
.section-head p{color:var(--ink-600);font-size:17px;max-width:34em;}

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;top:20px;left:0;right:0;z-index:120;
  display:flex;justify-content:center;padding:0 24px;
  pointer-events:none;
}
.dock-inner{
  pointer-events:auto;
  width:min(1120px,100%);
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px;
  padding:12px 14px 12px 20px;
  border-radius:999px;
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-dock);
  transition:padding .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease);
}
.dock.is-scrolled .dock-inner{padding:8px 12px 8px 18px;background:rgba(255,255,255,.92);box-shadow:0 16px 36px -18px rgba(14,26,23,.34);}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:32px;height:32px;color:var(--brand-700);display:inline-flex;flex-shrink:0;}
.brand-mark svg{width:100%;height:100%;}
.brand-text{font-family:var(--serif);font-size:17px;font-weight:600;letter-spacing:.01em;white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--brand-500);}
.nav-links{display:flex;align-items:center;justify-content:center;gap:26px;}
.nav-links a{
  position:relative;font-size:15px;color:var(--ink-600);
  padding:6px 2px;transition:color .24s var(--ease);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-links a:hover{color:var(--ink-900);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--ink-900);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:transparent;border-radius:999px;cursor:pointer;
  color:var(--ink-600);transition:border-color .24s var(--ease),color .24s var(--ease),background .24s var(--ease);
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100);}
.menu-btn{
  display:none;width:38px;height:38px;align-items:center;justify-content:center;
  border:1px solid var(--line);background:transparent;border-radius:999px;cursor:pointer;color:var(--ink-900);
}
.menu-btn svg{width:20px;height:20px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-md);border:1px solid transparent;cursor:pointer;
  font-size:15px;font-weight:600;padding:13px 26px;line-height:1.2;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn svg{width:16px;height:16px;transition:transform .24s var(--ease);}
.btn:hover svg{transform:translateX(3px);}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 24px -14px rgba(201,138,63,.9);}
.btn-primary:hover{background:#b87a33;}
.btn-ghost{border-color:var(--line);background:transparent;color:var(--ink-900);}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100);}
.btn-dark{background:var(--brand-700);color:#fff;}
.btn-dark:hover{background:var(--brand-900);}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:999px;}
.btn-block{width:100%;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background-color:var(--brand-900);
  background-image:linear-gradient(115deg,rgba(11,36,31,.94) 0%,rgba(11,36,31,.78) 46%,rgba(11,36,31,.42) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;padding:72px 64px 64px;
}
.hero .crumbs{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:26px;}
.hero .crumbs a:hover{color:#fff;}
.hero .crumbs span.sep{opacity:.5;}
.hero .eyebrow{background:rgba(255,255,255,.12);color:#F3E6D2;}
.hero h1{
  color:#fff;font-size:52px;line-height:1.16;letter-spacing:-.02em;
  max-width:19em;margin:20px 0 22px;
}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero p.lede{color:rgba(255,255,255,.8);font-size:18px;max-width:32em;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero .btn-ghost{border-color:rgba(255,255,255,.34);color:#fff;}
.hero .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);color:#fff;}
.hero-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  margin-top:52px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16);
}
.hero-strip div{font-size:14px;color:rgba(255,255,255,.72);}
.hero-strip strong{display:block;font-family:var(--serif);font-size:22px;color:#fff;font-weight:600;margin-bottom:2px;}

/* ---------- 卡片网格 + 粘性栏 ---------- */
.layout-split{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:48px;align-items:start;}
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
.doc-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .42s var(--ease),box-shadow .42s var(--ease),border-color .42s var(--ease);
}
.doc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#d7d4ca;}
.doc-card .thumb{aspect-ratio:4/3;overflow:hidden;background:var(--bg);}
.doc-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .42s var(--ease);}
.doc-card:hover .thumb img{transform:scale(1.02);}
.doc-card .body{padding:26px 26px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.tag{
  display:inline-flex;align-items:center;align-self:flex-start;
  background:var(--brand-100);color:var(--brand-700);
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  padding:5px 12px;border-radius:999px;
}
.doc-card h3{font-size:21px;line-height:1.4;}
.doc-card p{color:var(--ink-600);font-size:15px;line-height:1.8;}
.doc-card .meta{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-300);
}
.doc-card .meta .go{display:inline-flex;align-items:center;gap:6px;color:var(--brand-500);font-weight:600;}
.doc-card .meta svg{width:15px;height:15px;transition:transform .24s var(--ease);}
.doc-card:hover .meta svg{transform:translateX(3px);}

/* 粘性栏 */
.sticky-side{position:sticky;top:112px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:18px;margin-bottom:16px;}
.side-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px 12px;}
.side-stats div span{display:block;font-size:12.5px;color:var(--ink-300);letter-spacing:.04em;}
.side-stats div strong{font-family:var(--serif);font-size:24px;font-weight:600;color:var(--brand-700);}
.side-links li+li{border-top:1px solid var(--line);}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 0;font-size:15px;color:var(--ink-600);transition:color .24s var(--ease);
}
.side-links a:hover{color:var(--brand-700);}
.side-links a span.n{font-family:var(--serif);font-size:13px;color:var(--ink-300);}
.side-cta{background:var(--brand-700);border-color:var(--brand-700);color:#fff;}
.side-cta h3{color:#fff;}
.side-cta p{font-size:14.5px;color:rgba(255,255,255,.76);line-height:1.8;margin-bottom:18px;}
.side-cta ul{margin-bottom:20px;}
.side-cta li{display:flex;gap:8px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.86);padding:5px 0;}
.side-cta li svg{width:15px;height:15px;flex-shrink:0;margin-top:5px;color:var(--accent);}

/* ---------- 自查流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step;}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 24px;box-shadow:var(--shadow-1);position:relative;
  transition:transform .42s var(--ease),box-shadow .42s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.step .num{
  font-family:var(--serif);font-size:15px;font-weight:600;color:var(--accent);
  letter-spacing:.1em;margin-bottom:14px;display:block;
}
.step h3{font-size:19px;margin-bottom:10px;}
.step p{font-size:15px;color:var(--ink-600);line-height:1.8;}

/* ---------- 搜索带 ---------- */
.search-band{
  background:var(--brand-900);border-radius:var(--r-xl);padding:52px 56px;color:#fff;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:44px;align-items:center;
  position:relative;overflow:hidden;
}
.search-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;opacity:.5;
}
.search-band h2{color:#fff;font-size:32px;line-height:1.28;margin-bottom:14px;}
.search-band p{color:rgba(255,255,255,.74);font-size:16px;}
.search-form{position:relative;z-index:1;display:flex;flex-direction:column;gap:12px;}
.search-form label{font-size:13.5px;color:rgba(255,255,255,.7);letter-spacing:.04em;}
.search-form .row{display:flex;gap:12px;}
.search-form input{
  flex:1;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-sm);padding:13px 16px;color:#fff;transition:border-color .24s var(--ease),background .24s var(--ease);
}
.search-form input::placeholder{color:rgba(255,255,255,.45);}
.search-form input:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.14);box-shadow:0 0 0 2px rgba(201,138,63,.45);}
.form-note{font-size:13px;color:rgba(255,255,255,.55);}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:0;padding:24px 0;cursor:pointer;text-align:left;
  display:flex;align-items:flex-start;justify-content:space-between;gap:24px;
  font-family:var(--serif);font-size:18px;font-weight:500;color:var(--ink-900);line-height:1.6;
  transition:color .24s var(--ease);
}
.faq-q:hover{color:var(--brand-500);}
.faq-q .plus{
  flex-shrink:0;width:26px;height:26px;border:1px solid var(--line);border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;color:var(--brand-500);
  transition:transform .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.faq-q .plus svg{width:14px;height:14px;}
.faq-item.open .faq-q .plus{transform:rotate(45deg);border-color:var(--accent);background:var(--accent-soft);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);}
.faq-a p{padding:0 60px 26px 0;color:var(--ink-600);font-size:16px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-block{
  background:var(--brand-900);border-radius:var(--r-xl);padding:64px;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:56px;align-items:start;
  color:#fff;position:relative;overflow:hidden;
}
.cta-block::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 90% 8%,rgba(201,138,63,.20),transparent 46%);
}
.cta-block h2{color:#fff;font-size:38px;line-height:1.24;margin-bottom:18px;}
.cta-block p.lede{color:rgba(255,255,255,.76);font-size:16.5px;max-width:30em;}
.cta-points{margin-top:30px;display:flex;flex-direction:column;gap:14px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15.5px;color:rgba(255,255,255,.86);}
.cta-points svg{width:16px;height:16px;flex-shrink:0;margin-top:6px;color:var(--accent);}
.form-card{position:relative;z-index:1;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-lg);padding:28px;}
.form-card h3{color:#fff;font-size:20px;margin-bottom:6px;}
.form-card .sub{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:20px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:6px;}
.field input,.field select{
  width:100%;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-sm);padding:12px 14px;color:#fff;transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.field select option{color:#0E1A17;}
.field input::placeholder{color:rgba(255,255,255,.42);}
.field input:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(201,138,63,.4);}
.field.error input,.field.error select{border-color:#B4614F;box-shadow:0 0 0 2px rgba(180,97,79,.3);}
.field .err-msg{display:none;font-size:13px;color:#E5A392;margin-top:6px;}
.field.error .err-msg{display:block;}
.form-card .btn{margin-top:8px;}
.form-card .fine{margin-top:14px;font-size:13px;color:rgba(255,255,255,.5);line-height:1.7;}

/* ---------- 切换条 ---------- */
.switch-band{padding:24px 0 96px;}
.switch-inner{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:34px 40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:var(--shadow-1);
}
.switch-inner .lead h3{font-size:22px;margin-bottom:6px;}
.switch-inner .lead p{font-size:15px;color:var(--ink-600);}
.switch-links{display:flex;flex-wrap:wrap;gap:12px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line);border-radius:999px;padding:10px 20px;font-size:14.5px;
  color:var(--ink-600);transition:border-color .24s var(--ease),color .24s var(--ease),background .24s var(--ease),transform .24s var(--ease);
}
.chip svg{width:14px;height:14px;transition:transform .24s var(--ease);}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100);transform:translateY(-2px);}
.chip:hover svg{transform:translateX(3px);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.82);padding:72px 0 36px;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.14);}
.footer-brand .brand{color:#fff;margin-bottom:18px;}
.footer-brand .brand-mark{color:#fff;}
.footer-brand p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.66);max-width:32em;}
.footer-col h4{color:#fff;font-size:15px;letter-spacing:.06em;margin-bottom:18px;font-family:var(--sans);font-weight:600;}
.footer-col li{padding:6px 0;font-size:14.5px;color:rgba(255,255,255,.66);}
.footer-col a{transition:color .24s var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:26px;font-size:13px;color:rgba(255,255,255,.5);}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .64s var(--ease),transform .64s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .layout-split{grid-template-columns:minmax(0,1fr);gap:36px;}
  .sticky-side{position:static;flex-direction:row;flex-wrap:wrap;}
  .sticky-side > *{flex:1 1 300px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .hero{padding:60px 44px 52px;}
  .hero h1{font-size:44px;}
}
@media (max-width:991px){
  body{padding-top:96px;}
  .nav-links{
    position:fixed;inset:0;z-index:130;
    background:#fff;flex-direction:column;align-items:flex-start;justify-content:flex-start;
    gap:6px;padding:112px 32px 40px;transform:translateY(-10px);
    opacity:0;visibility:hidden;transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
    box-shadow:0 24px 60px -30px rgba(14,26,23,.3);
  }
  .nav-links a{font-family:var(--serif);font-size:24px;padding:12px 0;width:100%;color:var(--ink-900);}
  .nav-links a::after{display:none;}
  .nav-links a.active{color:var(--brand-500);}
  body.nav-open .nav-links{opacity:1;visibility:visible;transform:none;}
  body.nav-open{overflow:hidden;}
  .menu-btn{display:inline-flex;}
  .dock-inner{grid-template-columns:auto 1fr;gap:14px;}
  .dock-actions{justify-content:flex-end;}
  .search-band,.cta-block{grid-template-columns:minmax(0,1fr);padding:44px 32px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .hero-strip{grid-template-columns:repeat(2,1fr);gap:20px 24px;}
  .section{padding:80px 0;}
}
@media (max-width:767px){
  body{font-size:16px;padding-top:88px;}
  .container,.container.wide,.container.narrow{width:calc(100% - 32px);}
  .dock{padding:0 12px;top:14px;}
  .dock-inner{padding:10px 10px 10px 14px;gap:8px;}
  .brand-text{font-size:15px;}
  .dock-actions .btn-sm{display:none;}
  .hero{border-radius:var(--r-lg);padding:40px 24px 36px;}
  .hero h1{font-size:32px;line-height:1.24;}
  .hero p.lede{font-size:16px;}
  .hero-strip{margin-top:36px;padding-top:20px;}
  .hero-strip strong{font-size:19px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:28px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .steps{grid-template-columns:minmax(0,1fr);}
  .search-band::after{background-size:48px 48px;}
  .search-band h2{font-size:25px;}
  .search-form .row{flex-direction:column;}
  .faq-q{font-size:16.5px;padding:20px 0;}
  .faq-a p{padding-right:12px;}
  .cta-block{padding:36px 22px;border-radius:var(--r-lg);}
  .cta-block h2{font-size:27px;}
  .switch-inner{padding:26px 22px;border-radius:var(--r-lg);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .sticky-side > *{flex:1 1 100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --brand-900:#0B241F;
  --brand-700:#12352E;
  --brand-500:#2E8570;
  --brand-100:#DCE9E4;
  --accent:#C98A3F;
  --accent-soft:#F3E6D2;
  --ink-900:#0E1A17;
  --ink-600:#4A5A56;
  --ink-300:#97A29E;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E4E2DB;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-xl:24px;
  --shadow-1:0 1px 2px rgba(14,26,23,.05);
  --shadow-2:0 16px 40px -20px rgba(14,26,23,.22);
  --shadow-dock:0 12px 32px -16px rgba(14,26,23,.28);
  --ease:cubic-bezier(.22,1,.36,1);
  --font-serif:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --font-sans:'PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,-apple-system,sans-serif;
}

*,*::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:17px;
  line-height:1.9;
  color:var(--ink-900);
  background:var(--bg);
  padding-top:112px;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;color:var(--ink-900);margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container.wide{max-width:1320px}
.container.narrow{max-width:760px}

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;top:20px;left:50%;transform:translateX(-50%);
  width:min(1120px,calc(100% - 48px));
  z-index:80;
}
.dock-inner{
  display:flex;align-items:center;gap:20px;
  height:72px;padding:0 12px 0 20px;
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow-dock);
  transition:height .24s var(--ease),background-color .24s var(--ease);
}
.dock.compact .dock-inner{height:60px;background:rgba(255,255,255,.93)}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;
  color:var(--brand-700);
  border:1px solid var(--line);
  background:var(--surface);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-family:var(--font-serif);font-size:17px;letter-spacing:.01em;color:var(--brand-900);white-space:nowrap}
.brand-text em{font-style:normal;font-family:'Inter',system-ui,sans-serif;font-size:15px;color:var(--brand-500);letter-spacing:.02em}

.nav-links{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  border-radius:999px;
  font-size:15px;
  color:var(--ink-600);
  transition:color .24s var(--ease),background-color .24s var(--ease);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-links a:hover{color:var(--brand-700);background:rgba(220,233,228,.55)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand-900);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-cta{display:none}

.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);background:transparent;color:var(--ink-600);
  cursor:pointer;transition:border-color .24s var(--ease),color .24s var(--ease);
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-700)}
.menu-btn{display:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--ink-900);cursor:pointer;align-items:center;justify-content:center}
.menu-btn svg{width:18px;height:18px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:500;line-height:1;
  cursor:pointer;
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.btn svg{width:16px;height:16px;transition:transform .24s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#b87a2f}
.btn-ghost{border-color:var(--line);color:var(--ink-900);background:var(--surface)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700)}
.btn-light{background:#fff;color:var(--brand-900)}
.btn-light:hover{background:var(--accent-soft)}
.btn-outline-light{border-color:rgba(255,255,255,.32);color:#fff}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 内页 Banner ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--brand-900);
  border-radius:var(--r-xl);
  width:min(1320px,calc(100% - 48px));
  margin:0 auto;
  padding:72px 0 64px;
}
.page-hero-bg{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;opacity:.26;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(11,36,31,.92) 0%,rgba(11,36,31,.72) 55%,rgba(11,36,31,.88) 100%);
}
.page-hero-inner{position:relative;z-index:2;color:#fff}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent-soft);
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent)}
.page-hero h1{
  margin:20px 0 0;
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.22;
  letter-spacing:-.01em;
  color:#fff;
  max-width:19em;
}
.page-hero h1 .hl{color:var(--accent)}
.page-hero .lede{
  margin-top:22px;max-width:34em;
  color:rgba(255,255,255,.78);
  font-size:17px;line-height:1.9;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-tags{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.14);
}
.hero-tags li{
  font-size:13px;letter-spacing:.06em;
  color:rgba(255,255,255,.72);
  border:1px solid rgba(255,255,255,.18);
  border-radius:999px;padding:6px 14px;
}

/* ---------- 通用板块 ---------- */
.section{padding:104px 0}
.section.tight{padding:76px 0}
.section-head{max-width:44em}
.section-head h2{
  margin-top:16px;
  font-size:clamp(26px,3vw,40px);
  line-height:1.26;
  letter-spacing:-.01em;
}
.section-head p{margin-top:16px;color:var(--ink-600);font-size:16.5px}
.section-head .eyebrow{color:var(--brand-500)}
.section-head .eyebrow::before{background:var(--brand-500)}

/* ---------- 更新节奏时间线 ---------- */
.timeline{position:relative;margin-top:56px}
.timeline::before{
  content:"";position:absolute;left:19px;top:14px;bottom:14px;width:1px;background:var(--line);
}
.tl-item{
  position:relative;
  display:grid;grid-template-columns:40px 1fr;gap:26px;
  padding-bottom:38px;
}
.tl-item:last-child{padding-bottom:0}
.tl-node{
  position:relative;z-index:1;
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--line);
  font-family:'Inter',system-ui,sans-serif;font-size:13px;color:var(--brand-700);
  transition:border-color .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease);
}
.tl-item:hover .tl-node{border-color:var(--accent);color:var(--accent);box-shadow:0 0 0 6px rgba(201,138,63,.1)}
.tl-body{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 28px;box-shadow:var(--shadow-1);transition:box-shadow .42s var(--ease),transform .42s var(--ease)}
.tl-item:hover .tl-body{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.tl-body h3{font-size:20px}
.tl-body p{margin-top:10px;color:var(--ink-600);font-size:16px}
.tl-meta{display:inline-block;margin-top:14px;font-size:13px;letter-spacing:.06em;color:var(--brand-700);background:var(--brand-100);border-radius:999px;padding:4px 12px}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:52px}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  display:flex;flex-direction:column;
  box-shadow:var(--shadow-1);
  transition:transform .42s var(--ease),box-shadow .42s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.card-media{aspect-ratio:4/3;overflow:hidden;background:var(--bg)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .42s var(--ease)}
.card:hover .card-media img{transform:scale(1.02)}
.card-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.tag{
  align-self:flex-start;
  font-size:13px;letter-spacing:.06em;
  color:var(--brand-700);background:var(--brand-100);
  border-radius:999px;padding:4px 12px;
}
.card h3{font-size:21px;line-height:1.4}
.card p{color:var(--ink-600);font-size:15.5px}
.card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:14px;color:var(--ink-300);display:flex;justify-content:space-between;align-items:center}

/* ---------- 订阅板块 ---------- */
.subscribe-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start;margin-top:52px}
.check-list{display:flex;flex-direction:column;gap:18px;margin-top:28px}
.check-list li{display:grid;grid-template-columns:24px 1fr;gap:14px;align-items:start}
.check-list svg{width:18px;height:18px;margin-top:6px;color:var(--brand-500)}
.check-list strong{display:block;font-weight:600;font-size:16.5px}
.check-list span{color:var(--ink-600);font-size:15.5px}

.form-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-xl);padding:34px 32px;box-shadow:var(--shadow-1);
}
.form-card h3{font-size:22px}
.form-card > p{margin-top:10px;color:var(--ink-600);font-size:15.5px}
.form-row{margin-top:22px}
.form-row label{display:block;font-size:14px;color:var(--ink-600);margin-bottom:8px}
.form-control{
  width:100%;padding:13px 16px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--bg);color:var(--ink-900);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.form-control::placeholder{color:var(--ink-300)}
.form-control:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 2px rgba(201,138,63,.28);
}
.form-note{margin-top:16px;font-size:13px;color:var(--ink-300);line-height:1.7}
.form-note.error{color:#9C3B24}

/* ---------- 更新记录表格 ---------- */
.table-wrap{margin-top:48px;overflow-x:auto;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface)}
.record-table{width:100%;border-collapse:collapse;min-width:720px}
.record-table th{
  text-align:left;font-size:14px;font-weight:600;color:var(--ink-900);
  background:var(--bg);padding:16px 20px;border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.record-table td{
  padding:18px 20px;border-bottom:1px solid var(--line);
  color:var(--ink-600);font-size:15px;vertical-align:top;
}
.record-table tbody tr:last-child td{border-bottom:none}
.record-table tbody tr{transition:background-color .24s var(--ease)}
.record-table tbody tr:hover{background:#FBF6EE}
.record-table .date{font-family:'Inter',system-ui,sans-serif;color:var(--ink-900);white-space:nowrap}
.badge{
  display:inline-block;font-size:13px;letter-spacing:.04em;
  border-radius:999px;padding:3px 11px;white-space:nowrap;
}
.badge-ver{background:var(--brand-100);color:var(--brand-700)}
.badge-notice{background:var(--accent-soft);color:#8C5C1F}
.badge-doc{background:#EDEDE7;color:var(--ink-600)}

/* ---------- FAQ ---------- */
.faq-list{margin-top:44px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:26px 0;font-size:18px;font-weight:500;color:var(--ink-900);
  transition:color .24s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-700)}
.faq-icon{
  position:relative;flex:0 0 auto;
  width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line);
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand-700);border-radius:1px;
  left:50%;top:50%;transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:1.5px}
.faq-icon::after{width:1.5px;height:10px}
.faq-item[open] .faq-icon{transform:rotate(45deg);border-color:var(--accent)}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:var(--accent)}
.faq-body{padding:0 0 28px;max-width:62em}
.faq-body p{color:var(--ink-600);font-size:16px}

/* ---------- CTA 深色块 ---------- */
.cta-block{
  background:var(--brand-900);
  border-radius:var(--r-xl);
  padding:60px 56px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;
  color:#fff;position:relative;overflow:hidden;
}
.cta-block::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
}
.cta-block > *{position:relative;z-index:1}
.cta-block h2{color:#fff;font-size:clamp(26px,3vw,38px);line-height:1.28}
.cta-block p{color:rgba(255,255,255,.72);margin-top:16px;font-size:16.5px;max-width:32em}
.cta-points{display:flex;flex-direction:column;gap:16px;margin-top:30px}
.cta-points li{display:grid;grid-template-columns:22px 1fr;gap:12px;color:rgba(255,255,255,.86);font-size:16px}
.cta-points svg{width:16px;height:16px;margin-top:7px;color:var(--accent)}
.cta-side{display:flex;flex-direction:column;justify-content:center;gap:14px}
.cta-side .btn{width:100%}
.cta-side small{color:rgba(255,255,255,.5);font-size:13px;line-height:1.7}

/* ---------- 下一分类切换条 ---------- */
.next-nav{margin-top:24px}
.next-nav h2{font-size:22px}
.next-nav-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
.next-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 28px;
  transition:transform .42s var(--ease),box-shadow .42s var(--ease),border-color .24s var(--ease);
}
.next-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand-100)}
.next-card span{font-size:13px;letter-spacing:.08em;color:var(--ink-300)}
.next-card strong{font-family:var(--font-serif);font-size:20px;font-weight:600;color:var(--brand-900)}
.next-card em{font-style:normal;font-size:15px;color:var(--ink-600)}
.next-card .arrow{color:var(--accent);font-size:15px;margin-top:6px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#fff;margin-top:104px;padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px}
.footer-brand .brand-mark{background:transparent;border-color:rgba(255,255,255,.2);color:#fff}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text em{color:var(--accent)}
.footer-brand p{margin-top:18px;color:rgba(255,255,255,.6);font-size:14.5px;line-height:1.9;max-width:26em}
.footer-col h4{color:#fff;font-size:15px;letter-spacing:.06em;font-family:var(--font-sans);font-weight:600}
.footer-col ul{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.footer-col a,.footer-col span{color:rgba(255,255,255,.62);font-size:14.5px;transition:color .24s var(--ease)}
.footer-col a:hover{color:#fff}
.footer-bottom{
  margin-top:56px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.62)}

/* ---------- 入场动效 ---------- */
@keyframes riseIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.rise{animation:riseIn .64s var(--ease) both}
.rise.d1{animation-delay:.07s}
.rise.d2{animation-delay:.14s}
.rise.d3{animation-delay:.21s}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .card:hover,.tl-item:hover .tl-body,.next-card:hover{transform:none!important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .next-nav-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991px){
  body{padding-top:96px}
  .dock{width:calc(100% - 32px);top:16px}
  .dock-inner{gap:12px;padding-right:10px}
  .menu-btn{display:inline-flex}
  .nav-links{
    position:fixed;left:0;right:0;top:0;bottom:0;
    flex-direction:column;align-items:flex-start;justify-content:center;gap:6px;
    background:#fff;padding:96px 32px 40px;
    opacity:0;pointer-events:none;transform:translateY(-10px);
    transition:opacity .24s var(--ease),transform .24s var(--ease);
    z-index:-1;
  }
  .dock.menu-open .nav-links{opacity:1;pointer-events:auto;transform:none;z-index:1}
  .nav-links a{font-family:var(--font-serif);font-size:26px;padding:10px 0;color:var(--ink-900);border-radius:0}
  .nav-links a::after{left:0;right:auto;width:38px;bottom:4px}
  .nav-links a.active{color:var(--brand-700)}
  .nav-cta{display:inline-flex;margin-top:26px;padding:14px 28px!important;border-radius:999px!important;background:var(--accent);color:#fff;font-family:var(--font-sans)!important;font-size:16px!important}
  .nav-cta::after{display:none}
  .dock-actions .btn-primary{display:none}
  .page-hero{width:calc(100% - 32px);padding:56px 0 52px}
  .page-hero .container{padding:0 24px}
  .section{padding:72px 0}
  .section.tight{padding:56px 0}
  .subscribe-wrap{grid-template-columns:1fr;gap:36px}
  .cta-block{grid-template-columns:1fr;gap:36px;padding:44px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  body{font-size:16px}
  .card-grid{grid-template-columns:1fr}
  .next-nav-grid{grid-template-columns:1fr}
  .timeline::before{left:14px}
  .tl-item{grid-template-columns:28px 1fr;gap:18px}
  .tl-node{width:28px;height:28px;font-size:11px}
  .tl-body{padding:20px 22px}
  .page-hero h1{font-size:28px}
  .hero-actions .btn{width:100%}
  .cta-block{padding:36px 24px}
  .site-footer{padding:56px 0 28px;margin-top:72px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .brand-text{font-size:15px}
  .brand-text em{font-size:13px}
  .page-hero{width:calc(100% - 24px)}
  .record-table th,.record-table td{padding:14px 16px}
}