/* roulang page: index */
:root{
  --ink:#10201B;
  --ink-2:#4A5A55;
  --ink-3:#8A9691;
  --brand:#123A2E;
  --brand-700:#1C513F;
  --accent:#D8F45C;
  --accent-2:#FF7A45;
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E4E1D8;
  --dark:#0C1A16;
  --dark-ink:#EDF2EE;
  --radius-btn:10px;
  --radius-card:14px;
  --radius-media:16px;
  --shadow-1:0 1px 2px rgba(16,32,27,.05);
  --shadow-2:0 10px 28px -14px rgba(16,32,27,.22);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:17px;
  line-height:1.76;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.22}
p{margin:0}
::selection{background:var(--accent);color:var(--ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--paper);border-bottom:1px solid var(--line)}
.bar-top{background:var(--paper)}
.bar-top-inner{display:flex;align-items:center;gap:22px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{position:relative;width:28px;height:28px;border-radius:9px;background:var(--brand);display:inline-block;flex:0 0 auto}
.brand-mark::after{content:"";position:absolute;inset:7px;border-radius:3px;background:var(--accent)}
.brand-name{font-size:19px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.search{
  position:relative;display:flex;align-items:center;gap:10px;
  flex:1 1 auto;max-width:400px;height:44px;padding:0 18px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search i{color:var(--ink-3);font-size:14px}
.search input{flex:1;border:0;outline:0;background:transparent;font-size:15px}
.search input::placeholder{color:var(--ink-3)}
.search:focus-within{border-color:var(--brand);box-shadow:0 2px 0 0 var(--accent)}
.bar-actions{display:flex;align-items:center;gap:16px;margin-left:auto}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;position:relative}
.menu-toggle span{position:absolute;left:11px;right:11px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.menu-toggle span:nth-child(1){top:14px}
.menu-toggle span:nth-child(2){top:20px}
.menu-toggle span:nth-child(3){top:26px}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.bar-tabs{background:var(--surface);border-top:1px solid var(--line)}
.tabs-inner{display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.tabs-inner::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 17px;
  border:1px solid var(--line);border-radius:999px;color:var(--ink-2);
  font-size:15px;white-space:nowrap;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.tab:hover{border-color:var(--brand);color:var(--brand)}
.tab.is-active{background:var(--accent);border-color:var(--accent);color:var(--ink);font-weight:500}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 24px;border:1px solid transparent;border-radius:var(--radius-btn);
  font-size:16px;font-weight:500;white-space:nowrap;cursor:pointer;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn i{transition:transform .22s var(--ease)}
.btn:hover i{transform:translateX(3px)}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-700)}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand);color:#fff}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{background:#cbe94d}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:var(--accent);color:var(--ink)}
.btn-ghost{height:auto;padding:0 0 2px;color:currentColor;border:0;gap:8px}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.link-underline{
  background-image:linear-gradient(var(--accent),var(--accent));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 2px;
  transition:background-size .22s var(--ease);
}
.link-underline:hover{background-size:100% 2px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:500;color:var(--brand)}
.link-arrow i{transition:transform .22s var(--ease)}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--dark);color:#fff;overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.4;z-index:0}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(12,26,22,.95) 0%,rgba(12,26,22,.82) 46%,rgba(12,26,22,.58) 100%);z-index:1}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;padding-top:92px;padding-bottom:96px}
.eyebrow{display:inline-block;font-size:14px;letter-spacing:.06em;color:var(--accent);margin-bottom:18px}
.hero h1{font-size:56px;line-height:1.14;font-weight:800;max-width:16em}
.hero-sub{margin-top:22px;font-size:18px;line-height:1.8;color:rgba(237,242,238,.82);max-width:32em}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 34px}
.badges li{padding:7px 15px;border:1px solid rgba(237,242,238,.34);border-radius:999px;font-size:14px;color:var(--dark-ink)}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.hero-media{margin:0;border-radius:var(--radius-media);overflow:hidden;border:1px solid rgba(237,242,238,.18);box-shadow:0 24px 60px -30px rgba(0,0,0,.7)}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* ---------- section shell ---------- */
.section{padding:96px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:46px}
.section-title{font-size:36px;line-height:1.26}
.section-lead{margin-top:16px;color:var(--ink-2);max-width:660px;font-size:17px}
.kicker{display:inline-block;font-size:13px;letter-spacing:.08em;color:var(--brand);border:1px solid var(--line);border-radius:999px;padding:4px 12px;margin-bottom:18px;background:var(--surface)}

/* ---------- pain ---------- */
.pain-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:start}
.pain-list li{display:grid;grid-template-columns:60px 1fr;gap:14px;padding:24px 0;border-top:1px solid var(--line)}
.pain-list li:last-child{border-bottom:1px solid var(--line)}
.pain-idx{font-size:15px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.pain-list h3{font-size:19px;line-height:1.5;font-weight:700}
.pain-list p{margin-top:8px;color:var(--ink-2);font-size:16px}
.pain-figure{margin:0}
.pain-figure img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:var(--radius-media);border:1px solid var(--line)}
.pain-figure figcaption{margin-top:14px;font-size:14px;color:var(--ink-3)}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:8px}
.flow-step{position:relative;padding-top:46px}
.flow-step::before{content:"";position:absolute;top:14px;left:0;right:0;height:1px;background:var(--line)}
.flow-step:last-child::before{right:auto;width:100%}
.flow-dot{position:absolute;top:7px;left:0;width:15px;height:15px;border-radius:50%;background:var(--accent);border:3px solid var(--paper)}
.flow-idx{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:38px;padding:0 10px;border-radius:10px;background:var(--accent);color:var(--ink);font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;margin-bottom:16px}
.flow-step h3{font-size:20px;line-height:1.5}
.flow-step p{margin-top:10px;color:var(--ink-2);font-size:16px}

/* ---------- results ---------- */
.results{background:var(--dark);color:var(--dark-ink);padding:96px 0}
.results-head{max-width:640px;margin-bottom:52px}
.results-head h2{font-size:36px;color:#fff}
.results-head p{margin-top:16px;color:rgba(237,242,238,.72)}
.results-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.results-item{padding:0 30px;border-left:1px solid rgba(237,242,238,.16)}
.results-item:first-child{border-left:0;padding-left:0}
.results-num{font-size:56px;font-weight:800;line-height:1.08;color:var(--accent);font-variant-numeric:tabular-nums}
.results-num span{font-size:26px;margin-left:4px;color:var(--accent)}
.results-item p{margin-top:12px;font-size:14px;line-height:1.7;color:rgba(237,242,238,.7)}

/* ---------- quotes ---------- */
.quotes{display:grid;grid-template-columns:1fr 1fr;gap:40px 40px;padding-bottom:28px}
.quote-card{border-left:4px solid var(--accent);padding:6px 0 6px 26px}
.quote-card:nth-child(even){transform:translateY(26px)}
.quote-card blockquote{margin:0;font-size:18px;line-height:1.86;color:var(--ink)}
.quote-meta{margin-top:18px;font-size:14px;color:var(--ink-3)}
.quote-meta strong{display:block;font-size:15px;color:var(--ink);font-weight:700;margin-bottom:2px}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  box-shadow:var(--shadow-1);
}
.news-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow-2)}
.news-thumb{overflow:hidden;background:var(--paper)}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-title{font-size:19px;line-height:1.5;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-desc{font-size:15px;line-height:1.75;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:14px;margin-top:auto;font-size:13px;color:var(--ink-3);padding-top:4px}
.tag-pill{display:inline-flex;align-items:center;border:1px solid var(--accent);color:var(--brand);border-radius:999px;padding:2px 11px;font-size:12px;line-height:1.7;white-space:nowrap}
.empty-state{padding:64px 24px;text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card)}
.empty-state .empty-art{width:120px;height:120px;margin:0 auto 20px;border-radius:var(--radius-media);background:var(--paper) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;border:1px solid var(--line)}
.empty-state p{font-size:16px;color:var(--ink-2);margin-bottom:22px}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px 24px 0;font-size:17px;font-weight:700;color:var(--ink);
  transition:color .22s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--ink-3);transition:transform .22s var(--ease),color .22s var(--ease);flex:0 0 auto}
.faq-item[open] summary{color:var(--brand);padding-left:22px}
.faq-item[open] summary::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;background:var(--accent)}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--brand)}
.faq-item .faq-answer{padding:0 40px 26px 22px;font-size:16px;line-height:1.85;color:var(--ink-2)}
.faq-item:not([open]) .faq-answer{display:none}

/* ---------- cta ---------- */
.cta{position:relative;background:var(--brand);color:#fff;overflow:hidden}
.cta-stripes{position:absolute;top:0;right:0;bottom:0;width:280px;background-image:repeating-linear-gradient(90deg,rgba(216,244,92,.28) 0 1px,transparent 1px 16px);opacity:.75}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:48px;padding:74px 24px}
.cta h2{font-size:34px;color:#fff;max-width:22em}
.cta p{margin-top:14px;color:rgba(255,255,255,.78);max-width:34em}
.cta-actions{display:flex;gap:14px;flex:0 0 auto}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--dark-ink);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:52px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.footer-brand .brand-mark{background:var(--accent)}
.footer-brand .brand-mark::after{background:var(--brand)}
.footer-brand .brand-name{color:#fff}
.footer-about{font-size:15px;line-height:1.85;color:rgba(237,242,238,.66);max-width:34em}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:15px;color:rgba(237,242,238,.66);transition:color .22s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:15px;color:rgba(237,242,238,.66);margin-bottom:10px}
.footer-bottom{border-top:1px solid rgba(237,242,238,.14);padding:24px 0 32px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer-bottom p{font-size:13px;color:rgba(237,242,238,.5)}
.footer-bottom .health{font-size:12px;line-height:1.7;max-width:640px;color:rgba(237,242,238,.42)}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(12,26,22,.5);opacity:0;pointer-events:none;transition:opacity .22s var(--ease);z-index:90}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,86vw);z-index:95;
  background:var(--surface);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .28s var(--ease);
  padding:24px;overflow-y:auto;display:flex;flex-direction:column;gap:24px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:10px;font-size:20px;line-height:1;color:var(--ink)}
.drawer-nav{display:flex;flex-direction:column;gap:6px;border-top:1px solid var(--line);padding-top:18px}
.drawer-nav a{padding:13px 14px;border-radius:10px;font-size:16px;color:var(--ink-2);border:1px solid transparent}
.drawer-nav a:hover{background:var(--paper);color:var(--brand)}
.drawer-nav a.is-active{background:var(--accent);color:var(--ink);font-weight:500}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .hero h1{font-size:48px}
  .hero-inner{gap:44px;padding-top:80px;padding-bottom:84px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .bar-top-inner{height:68px;gap:14px}
  .search{max-width:none}
  .menu-toggle{display:block}
  .bar-actions .btn-primary{display:none}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding-top:64px;padding-bottom:72px}
  .hero h1{font-size:40px;line-height:1.2}
  .hero-media img{aspect-ratio:16/10}
  .pain-grid{grid-template-columns:1fr;gap:40px}
  .pain-figure img{aspect-ratio:16/10}
  .flow{grid-template-columns:repeat(2,1fr);gap:32px 28px}
  .results{padding:72px 0}
  .results-grid{grid-template-columns:repeat(2,1fr);gap:36px 0}
  .results-item:nth-child(odd){border-left:0;padding-left:0}
  .quotes{grid-template-columns:1fr;gap:30px}
  .quote-card:nth-child(even){transform:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:28px}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:56px 0}
  .tabs-inner{height:52px;scroll-margin-top:76px}
  .hero h1{font-size:32px;line-height:1.25}
  .hero-sub{font-size:16px}
  .section-title{font-size:27px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px}
  .flow{grid-template-columns:1fr}
  .flow-step{padding-top:40px}
  .results-num{font-size:42px}
  .results-grid{grid-template-columns:1fr;gap:0}
  .results-item{border-left:0;padding:24px 0;border-top:1px solid rgba(237,242,238,.16)}
  .results-item:first-child{border-top:0;padding-top:0}
  .news-grid{grid-template-columns:1fr}
  .quote-card blockquote{font-size:17px}
  .cta h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .container{padding:0 18px}
  .bar-top-inner{height:62px}
  .brand-name{font-size:17px}
  .search{display:none}
  .hero-inner{padding-top:52px;padding-bottom:60px}
  .hero h1{font-size:28px}
  .hero-actions .btn{width:100%}
  .btn{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .faq-item summary{font-size:16px;padding-right:0}
}

/* roulang page: article */
:root{
  --ink:#10201B;
  --ink-2:#4A5A55;
  --ink-3:#8A9691;
  --brand:#123A2E;
  --brand-700:#1C513F;
  --accent:#D8F45C;
  --accent-2:#FF7A45;
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E4E1D8;
  --dark:#0C1A16;
  --dark-ink:#EDF2EE;
  --r-btn:10px;
  --r-card:14px;
  --r-media:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,32,27,.05);
  --sh-2:0 10px 28px -14px rgba(16,32,27,.22);
  --ease:cubic-bezier(.2,.8,.2,1);
  --tr:220ms cubic-bezier(.2,.8,.2,1);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.75;
  font-weight:400;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
strong{font-weight:700}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line)}
.bar-main{display:flex;align-items:center;gap:24px;height:74px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.01em;white-space:nowrap;color:var(--ink)}
.brand-mark{width:28px;height:28px;border-radius:8px;background:var(--brand);position:relative;flex:none;overflow:hidden}
.brand-mark::after{content:"";position:absolute;left:8px;top:8px;right:8px;bottom:8px;border-radius:3px;background:var(--accent)}
.search{position:relative;flex:1;max-width:400px}
.search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--ink-3);pointer-events:none}
.search input{width:100%;height:42px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--paper);padding:0 16px 0 40px;font-size:15px;color:var(--ink);outline:none;transition:border-color var(--tr),box-shadow var(--tr)}
.search input::placeholder{color:var(--ink-3)}
.search input:focus{border-color:var(--brand);box-shadow:0 0 0 2px var(--accent)}
.header-actions{display:flex;align-items:center;gap:18px;margin-left:auto}
.menu-toggle{display:none;width:42px;height:42px;border-radius:var(--r-btn);border:1px solid var(--line);align-items:center;justify-content:center;transition:border-color var(--tr),color var(--tr)}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand)}
.menu-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

.bar-tabs{border-top:1px solid var(--line);background:var(--surface)}
.tabs-inner{display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.tabs-inner::-webkit-scrollbar{display:none}
.tab{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line);color:var(--ink-2);font-size:15px;white-space:nowrap;transition:background var(--tr),color var(--tr),border-color var(--tr)}
.tab:hover{border-color:var(--brand);color:var(--brand)}
.tab.is-active{background:var(--accent);border-color:var(--accent);color:var(--ink);font-weight:500}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:500;border:1px solid transparent;transition:background var(--tr),color var(--tr),border-color var(--tr),transform var(--tr),box-shadow var(--tr)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-700);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-secondary{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-secondary:hover{background:var(--brand);color:#fff}
.btn-secondary:active{transform:translateY(1px)}
.btn-ghost{padding:0;height:auto;color:var(--ink);font-weight:500}
.btn-ghost:hover{color:var(--brand)}
.btn-ghost .arrow{display:inline-block;transition:transform var(--tr)}
.btn-ghost:hover .arrow{transform:translateX(3px)}
.btn[disabled]{opacity:.45;cursor:not-allowed;box-shadow:none}
.btn-sm{height:38px;padding:0 16px;font-size:14px}

/* ---------- 面包屑与文章头 ---------- */
.page-head{padding:34px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li:not(:last-child)::after{content:"/";color:var(--line)}
.breadcrumb a:hover{color:var(--brand)}

.article-head{padding:26px 0 34px;border-bottom:1px solid var(--line)}
.article-head h1{font-size:40px;line-height:1.32;font-weight:800;letter-spacing:-.01em;max-width:900px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;font-size:14px;color:var(--ink-3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block}
.pill{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;border:1px solid var(--line);color:var(--ink-2);background:var(--surface)}
.pill-accent{background:var(--accent);border-color:var(--accent);color:var(--ink);font-weight:500}

/* ---------- 正文阅读区 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:56px;padding:56px 0 0;align-items:start}
.article-main{max-width:720px}
.prose{font-size:17px;line-height:1.9;color:var(--ink)}
.prose > *:first-child{margin-top:0}
.prose p{margin:0 0 18px}
.prose h2{font-size:30px;line-height:1.38;font-weight:800;letter-spacing:-.01em;margin:44px 0 16px}
.prose h3{font-size:22px;line-height:1.45;font-weight:700;margin:34px 0 12px}
.prose h4{font-size:18px;font-weight:700;margin:26px 0 10px}
.prose a{color:var(--brand);border-bottom:1px solid var(--accent);transition:color var(--tr)}
.prose a:hover{color:var(--brand-700)}
.prose strong{font-weight:700}
.prose img{border-radius:var(--r-media);margin:24px 0}
.prose figure{margin:26px 0}
.prose figcaption{font-size:14px;color:var(--ink-3);margin-top:10px;text-align:center}
.prose ul{margin:0 0 18px}
.prose ul li{position:relative;padding-left:22px;margin-bottom:10px}
.prose ul li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--accent)}
.prose ol{margin:0 0 18px;padding-left:24px;list-style:decimal}
.prose ol li{margin-bottom:10px}
.prose blockquote{border-left:3px solid var(--accent);padding:4px 0 4px 20px;margin:26px 0;color:var(--ink-2)}
.prose pre{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:16px;overflow:auto;font-size:14px;line-height:1.7;margin:0 0 20px}
.prose code{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:14px}
.prose table{width:100%;border-collapse:collapse;margin:0 0 20px;font-size:15px}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:12px 10px;text-align:left}
.prose th{font-weight:700;background:var(--paper)}
.prose hr{border:0;border-top:1px solid var(--line);margin:36px 0}

.toc{position:sticky;top:96px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.toc h2{font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--ink-3);margin-bottom:14px}
.toc ul li{margin-bottom:12px}
.toc a{font-size:15px;color:var(--ink-2);display:block;border-left:3px solid transparent;padding-left:10px;transition:color var(--tr),border-color var(--tr)}
.toc a:hover{color:var(--brand)}
.toc a.is-active{color:var(--brand);border-left-color:var(--accent);font-weight:500}
.toc-note{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;line-height:1.8;color:var(--ink-3)}

/* ---------- 空态 ---------- */
.empty-state{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:64px 24px;text-align:center;box-shadow:var(--sh-1)}
.empty-state .empty-art{width:96px;height:96px;margin:0 auto 22px;border-radius:var(--r-media);background:var(--paper);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-3)}
.empty-state .empty-art svg{width:34px;height:34px}
.empty-state p{font-size:16px;color:var(--ink-2);margin-bottom:22px}

/* ---------- 文末推荐 ---------- */
.related{margin-top:72px;padding-top:56px;border-top:1px solid var(--line)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-head h2{font-size:26px;font-weight:800;letter-spacing:-.01em}
.section-head p{font-size:15px;color:var(--ink-2);margin-top:8px;max-width:640px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr)}
.rel-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--sh-2)}
.rel-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--paper)}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover}
.rel-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card h3{font-size:18px;line-height:1.5;font-weight:700}
.rel-card .meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);margin-top:auto}
.rel-card p{font-size:15px;line-height:1.75;color:var(--ink-2)}

.back-row{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}

/* ---------- 尾部 CTA ---------- */
.cta-band{margin-top:96px;background:var(--brand);color:#fff;border-radius:var(--r-media);padding:56px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;background:rgba(216,244,92,.16)}
.cta-band h2{font-size:30px;font-weight:800;letter-spacing:-.01em;position:relative;z-index:1}
.cta-band p{margin-top:12px;font-size:16px;color:rgba(255,255,255,.82);max-width:640px;position:relative;z-index:1}
.cta-band .btn{background:#fff;color:var(--brand);position:relative;z-index:1}
.cta-band .btn:hover{background:var(--accent);color:var(--ink)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--dark-ink);margin-top:var(--sec);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:#fff}
.footer-brand .brand-mark{background:var(--brand-700)}
.footer-about{font-size:14px;line-height:1.9;color:#9FB0A9;margin-top:18px;max-width:460px}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:11px}
.footer-col a{font-size:14px;color:#9FB0A9;transition:color var(--tr)}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:14px;color:#9FB0A9;margin-bottom:11px;line-height:1.8}
.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(237,242,238,.14);display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:flex-start;font-size:13px;color:#7E9089}
.health{max-width:760px;line-height:1.8}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(12,26,22,.5);opacity:0;visibility:hidden;transition:opacity var(--tr),visibility var(--tr);z-index:90}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:var(--surface);z-index:100;transform:translateX(100%);transition:transform 280ms var(--ease);padding:24px;display:flex;flex-direction:column;gap:22px;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:18px;line-height:1;transition:border-color var(--tr),color var(--tr)}
.drawer-close:hover{border-color:var(--brand);color:var(--brand)}
.drawer nav ul li{margin-bottom:10px}
.drawer nav a{display:block;padding:12px 14px;border-radius:var(--r-btn);border:1px solid var(--line);font-size:15px;color:var(--ink-2);transition:border-color var(--tr),color var(--tr),background var(--tr)}
.drawer nav a:hover{border-color:var(--brand);color:var(--brand)}
.drawer nav a.is-active{background:var(--accent);border-color:var(--accent);color:var(--ink);font-weight:500}
.drawer .btn{width:100%}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms var(--ease),transform 520ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:40px}
}
@media (max-width:1023px){
  :root{--sec:72px}
  .search{display:none}
  .header-actions .btn-primary{display:none}
  .menu-toggle{display:flex}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .toc{display:none}
  .article-main{max-width:100%}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:1fr;padding:44px}
}
@media (max-width:767px){
  :root{--sec:56px}
  body{font-size:16px}
  .container{padding:0 18px}
  .bar-main{height:64px;gap:14px}
  .brand{font-size:17px}
  .header-actions{gap:12px}
  .article-head h1{font-size:32px;line-height:1.36}
  .prose{font-size:16px;line-height:1.9}
  .prose h2{font-size:24px}
  .prose h3{font-size:19px}
  .article-layout{padding-top:36px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .cta-band{padding:34px 24px}
  .cta-band h2{font-size:24px}
  .header-actions .btn-ghost{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --ink:#10201B;
  --ink-2:#4A5A55;
  --ink-3:#8A9691;
  --brand:#123A2E;
  --brand-700:#1C513F;
  --accent:#D8F45C;
  --accent-2:#FF7A45;
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E4E1D8;
  --dark:#0C1A16;
  --dark-ink:#EDF2EE;
  --radius-btn:10px;
  --radius-card:14px;
  --radius-media:16px;
  --shadow-1:0 1px 2px rgba(16,32,27,.05);
  --shadow-2:0 10px 28px -14px rgba(16,32,27,.22);
  --ease:cubic-bezier(.2,.8,.2,1);
  --t:220ms;
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ink);text-decoration:none;transition:color var(--t) var(--ease),border-color var(--t) var(--ease),background-color var(--t) var(--ease);}
a:hover{color:var(--brand);}
button{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;font-weight:700;}
p{margin:0;}
input,button,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
section[id],div[id]{scroll-margin-top:76px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;transition:all var(--t) var(--ease);
}
.btn svg{transition:transform var(--t) var(--ease);}
.btn:hover svg{transform:translateX(3px);}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-700);color:#fff;box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(1px);}
.btn-secondary{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-secondary:hover{background:rgba(18,58,46,.07);}
.btn-secondary:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--brand);}
.btn-light:hover{background:var(--accent);color:var(--ink);}
.btn-light:active{transform:translateY(1px);}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.link-ghost{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;
  color:var(--ink-2);position:relative;
}
.link-ghost::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t) var(--ease);
}
.link-ghost:hover{color:var(--brand);}
.link-ghost:hover::after{transform:scaleX(1);}

/* ---------- 顶部导航 ---------- */
.site-header{position:relative;z-index:60;}
.bar-main{background:var(--surface);border-bottom:1px solid var(--line);}
.bar-main-inner{display:flex;align-items:center;gap:24px;height:74px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--ink);white-space:nowrap;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:var(--brand);
  position:relative;flex:0 0 auto;display:inline-block;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:3px;background:var(--accent);
}
.search{
  position:relative;flex:1 1 auto;max-width:420px;
}
.search svg{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:17px;height:17px;stroke:var(--ink-3);fill:none;stroke-width:1.8;
}
.search input{
  width:100%;height:44px;padding:0 16px 0 40px;border:1px solid var(--line);
  border-radius:10px;background:var(--paper);color:var(--ink);font-size:15px;
  transition:border-color var(--t) var(--ease),background-color var(--t) var(--ease);
}
.search input::placeholder{color:var(--ink-3);}
.search input:focus{outline:none;background:var(--surface);border-color:var(--brand);}
.search::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t) var(--ease);
  border-radius:2px;
}
.search:focus-within::after{transform:scaleX(1);}
.bar-actions{display:flex;align-items:center;gap:16px;margin-left:auto;}
.menu-toggle{
  display:none;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 14px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);font-size:14px;font-weight:600;cursor:pointer;
}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand);}

.bar-tabs{
  position:sticky;top:0;z-index:55;background:var(--surface);
  border-bottom:1px solid var(--line);transition:box-shadow var(--t) var(--ease);
}
.bar-tabs.is-stuck{box-shadow:0 8px 20px -16px rgba(16,32,27,.5);}
.tabs-inner{
  display:flex;align-items:center;gap:10px;height:52px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.tabs-inner::-webkit-scrollbar{display:none;}
.tab{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);background:transparent;
  color:var(--ink-2);font-size:15px;white-space:nowrap;
  transition:all var(--t) var(--ease);
}
.tab:hover{border-color:var(--brand);color:var(--brand);background:rgba(18,58,46,.05);}
.tab.is-active{background:var(--accent);border-color:var(--accent);color:var(--ink);font-weight:700;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,26,22,.5);opacity:0;visibility:hidden;
  transition:opacity var(--t) var(--ease),visibility var(--t) var(--ease);z-index:110;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);
  background:var(--surface);z-index:120;padding:24px;overflow-y:auto;
  transform:translateX(100%);transition:transform 260ms var(--ease);
  box-shadow:-12px 0 32px -20px rgba(16,32,27,.5);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:38px;height:38px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);cursor:pointer;line-height:1;font-size:18px;
}
.drawer-close:hover{border-color:var(--brand);color:var(--brand);}
.drawer .btn{width:100%;margin-bottom:20px;}
.drawer-list{list-style:none;display:flex;flex-direction:column;border-top:1px solid var(--line);}
.drawer-list li{border-bottom:1px solid var(--line);}
.drawer-list a{display:block;padding:14px 2px;font-size:16px;color:var(--ink);}
.drawer-list a.is-active{color:var(--brand);font-weight:700;}
.drawer-note{margin-top:22px;font-size:14px;color:var(--ink-3);line-height:1.8;}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding:28px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--ink-3);}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--ink-3);}
.crumb .current{color:var(--ink);font-weight:500;}

/* ---------- 页头 ---------- */
.page-head{padding:36px 0 56px;}
.marker{
  display:inline-flex;align-items:center;font-size:13px;font-weight:600;
  color:var(--brand);background:rgba(216,244,92,.35);border-radius:999px;
  padding:6px 14px;margin-bottom:20px;letter-spacing:.02em;
}
.page-head h1{
  font-size:clamp(32px,4.4vw,52px);line-height:1.2;font-weight:800;
  max-width:900px;
}
.page-head .lede{
  margin-top:18px;font-size:18px;line-height:1.85;color:var(--ink-2);max-width:720px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink-2);font-size:13px;
  transition:all var(--t) var(--ease);
}
.tag:hover{border-color:var(--brand);color:var(--brand);}
.tag-accent{border-color:var(--brand);color:var(--brand);background:rgba(18,58,46,.05);}
.head-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:30px;}
.head-meta{
  display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;padding-top:24px;
  border-top:1px solid var(--line);color:var(--ink-2);font-size:15px;
}
.head-meta b{display:block;font-size:22px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.3;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(26px,3.2vw,36px);line-height:1.28;font-weight:800;}
.section-head p{margin-top:16px;font-size:17px;color:var(--ink-2);}

/* ---------- 5/7 分栏 ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:36px;align-items:start;}
.intro-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-1);position:sticky;top:84px;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.intro-card:hover{border-color:var(--brand);box-shadow:var(--shadow-2);}
.media{
  border-radius:12px;overflow:hidden;background:var(--paper);
  border:1px solid var(--line);margin-bottom:22px;
}
.media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.intro-card h3{font-size:21px;font-weight:800;margin-bottom:12px;}
.intro-card p{font-size:16px;line-height:1.9;color:var(--ink-2);}
.mini-list{
  list-style:none;display:flex;flex-direction:column;gap:12px;margin:22px 0;
  padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink-2);
}
.mini-list li{display:flex;gap:10px;align-items:flex-start;}
.mini-list li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:8px;border-radius:2px;background:var(--accent);
}
.mini-list b{color:var(--ink);font-weight:600;}

/* 编号条目 */
.steps{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.step{
  display:grid;grid-template-columns:44px minmax(0,1fr);gap:0 20px;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;background:var(--accent);color:var(--ink);
  font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:19px;font-weight:700;margin-bottom:6px;}
.step p{font-size:16px;color:var(--ink-2);line-height:1.8;}

/* ---------- 深色数据区 ---------- */
.band-dark{background:var(--dark);color:var(--dark-ink);}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px;
}
.stat{padding:10px 30px;border-left:1px solid rgba(237,242,238,.16);}
.stat:first-child{border-left:0;padding-left:0;}
.stat-num{
  font-size:clamp(34px,4.4vw,58px);font-weight:800;line-height:1.05;
  color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:-0.02em;
}
.stat-label{margin-top:12px;font-size:15px;color:rgba(237,242,238,.78);line-height:1.7;}
.band-dark .section-head h2{color:#fff;}
.band-dark .section-head p{color:rgba(237,242,238,.72);}

/* ---------- 排查卡 2×2 ---------- */
.trouble-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.trouble{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.trouble:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow-2);}
.trouble .badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--paper);border:1px solid var(--line);color:var(--ink-3);
  font-size:12px;letter-spacing:.04em;margin-bottom:16px;
}
.trouble h3{font-size:19px;font-weight:700;margin-bottom:12px;}
.trouble p{font-size:16px;color:var(--ink-2);line-height:1.85;}
.trouble p+p{margin-top:10px;}
.trouble p strong{color:var(--ink);font-weight:600;}

/* ---------- 延伸阅读 ---------- */
.readmore{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  padding:26px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface);
}
.readmore h3{font-size:17px;font-weight:700;margin-right:8px;}
.readmore a{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;
  border:1px solid var(--line);font-size:15px;color:var(--ink-2);
}
.readmore a:hover{border-color:var(--brand);color:var(--brand);background:rgba(18,58,46,.05);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.faq-item:hover{border-color:var(--brand);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:700;color:var(--ink);line-height:1.6;
  transition:color var(--t) var(--ease),background-color var(--t) var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-q .icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;
}
.faq-q .icon::before,.faq-q .icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform var(--t) var(--ease),opacity var(--t) var(--ease);
}
.faq-q .icon::before{left:0;right:0;top:10px;height:2px;}
.faq-q .icon::after{top:0;bottom:0;left:10px;width:2px;}
.faq-item.is-open .faq-q{color:var(--brand);box-shadow:inset 3px 0 0 var(--accent);}
.faq-item.is-open .faq-q .icon::after{transform:scaleY(0);opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height var(--t) var(--ease);
}
.faq-a p{
  padding:0 24px 22px;font-size:16px;line-height:1.85;color:var(--ink-2);
}

/* ---------- CTA ---------- */
.cta{
  position:relative;border-radius:20px;overflow:hidden;color:#fff;
  background-color:var(--brand);
  background-image:linear-gradient(rgba(12,26,22,.78),rgba(12,26,22,.78)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:64px 56px;
}
.cta-inner{position:relative;z-index:2;max-width:680px;}
.cta h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:800;color:#fff;}
.cta p{margin-top:16px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.82);}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:30px;}
.cta .link-ghost{color:rgba(255,255,255,.86);}
.cta .link-ghost:hover{color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--dark-ink);padding:76px 0 32px;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px;}
.site-footer .brand-mark{background:var(--accent);}
.site-footer .brand-mark::after{background:var(--dark);}
.footer-about{color:rgba(237,242,238,.7);font-size:15px;line-height:1.9;max-width:520px;}
.footer-col h3{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:12px;}
.footer-col li,.footer-col p{font-size:15px;color:rgba(237,242,238,.7);line-height:1.8;}
.footer-col + .footer-col p{margin-bottom:8px;}
.footer-col a{color:rgba(237,242,238,.7);position:relative;}
.footer-col a::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t) var(--ease);
}
.footer-col a:hover{color:var(--accent);}
.footer-col a:hover::after{transform:scaleX(1);}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(237,242,238,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(237,242,238,.6);
}
.footer-bottom .health{max-width:760px;line-height:1.75;}

/* ---------- 动效 ---------- */
body.reveal-init [data-reveal]{
  opacity:0;transform:translateY(12px);
  transition:opacity .55s var(--ease),transform .55s var(--ease);
}
body.reveal-init [data-reveal].is-visible{opacity:1;transform:none;}

/* ---------- 断点 ---------- */
@media (max-width:1279px){
  .container{padding:0 22px;}
}
@media (max-width:1023px){
  body{font-size:16px;}
  .section{padding:72px 0;}
  .section-tight{padding:60px 0;}
  .search{max-width:280px;}
  .split{grid-template-columns:1fr;gap:28px;}
  .intro-card{position:static;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat{padding:18px 24px;border-left:0;border-top:1px solid rgba(237,242,238,.16);}
  .stat:first-child{border-top:0;padding-top:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta{padding:52px 36px;}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.8;}
  .bar-main-inner{height:64px;gap:14px;}
  .brand{font-size:17px;}
  .search{display:none;}
  .bar-actions .btn-primary{height:40px;padding:0 16px;font-size:14px;}
  .bar-actions .link-ghost{display:none;}
  .menu-toggle{display:inline-flex;}
  .tabs-inner{height:52px;gap:8px;}
  .page-head{padding:28px 0 40px;}
  .page-head .lede{font-size:16px;}
  .head-meta{gap:20px;}
  .head-meta b{font-size:19px;}
  .trouble-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .cta{padding:40px 24px;border-radius:16px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .site-footer{padding:56px 0 28px;margin-top:64px;}
  .footer-bottom{flex-direction:column;}
  .step{grid-template-columns:36px minmax(0,1fr);gap:0 16px;}
  .step-num{width:34px;height:34px;border-radius:10px;font-size:14px;}
}
@media (max-width:519px){
  .container{padding:0 18px;}
  .page-head h1{font-size:30px;}
  .head-actions{gap:12px;}
  .head-actions .btn{width:100%;}
  .readmore{padding:20px;}
  .readmore a{width:100%;justify-content:center;}
  .faq-q{padding:18px;font-size:16px;}
  .faq-a p{padding:0 18px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
  body.reveal-init [data-reveal]{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --ink:#10201B;
  --ink-2:#4A5A55;
  --ink-3:#8A9691;
  --brand:#123A2E;
  --brand-700:#1C513F;
  --accent:#D8F45C;
  --accent-2:#FF7A45;
  --paper:#F7F5F0;
  --surface:#FFFFFF;
  --line:#E4E1D8;
  --dark:#0C1A16;
  --dark-ink:#EDF2EE;
  --radius-btn:10px;
  --radius-card:14px;
  --radius-media:16px;
  --shadow-1:0 1px 2px rgba(16,32,27,.05);
  --shadow-2:0 10px 28px -14px rgba(16,32,27,.22);
  --ease:cubic-bezier(.2,.8,.2,1);
  --dur:220ms;
  --sec:96px;
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
input,button{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}

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

/* ============ 头部 ============ */
.site-header{position:relative;z-index:60;background:var(--paper);}
.bar-top{border-bottom:1px solid var(--line);background:var(--paper);}
.bar-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:74px;
  padding-top:10px;
  padding-bottom:10px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:28px;height:28px;border-radius:8px;
  background:var(--brand);
  position:relative;
  display:inline-block;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;
  background:var(--accent);border-radius:3px;
}
.brand-name{
  font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;
}
.search{
  position:relative;
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;
  max-width:420px;
  height:44px;
  padding:0 14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.search::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.search:focus-within{border-color:var(--brand);}
.search:focus-within::after{transform:scaleX(1);}
.search svg{width:16px;height:16px;flex:0 0 auto;stroke:var(--ink-3);}
.search input{
  border:0;outline:none;background:transparent;width:100%;font-size:15px;color:var(--ink);
}
.search input::placeholder{color:var(--ink-3);}
.bar-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);
  border-radius:var(--radius-btn);cursor:pointer;align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}

.bar-tabs{
  position:sticky;top:0;z-index:55;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--dur) var(--ease);
}
.bar-tabs.is-stuck{box-shadow:0 6px 18px -16px rgba(16,32,27,.5);}
.tabs-inner{
  display:flex;align-items:center;gap:10px;
  height:52px;overflow-x:auto;scrollbar-width:none;
}
.tabs-inner::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  height:36px;padding:0 16px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--ink-2);
  font-size:15px;
  white-space:nowrap;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.tab:hover{border-color:var(--brand);color:var(--brand);}
.tab.is-active{background:var(--accent);border-color:var(--accent);color:var(--ink);font-weight:700;}
.tab:active{transform:translateY(1px);}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;display:none;
  background:rgba(12,26,22,.55);
}
.drawer.is-open{display:block;}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(340px,86vw);
  background:var(--paper);padding:24px;overflow-y:auto;
  box-shadow:-10px 0 30px -18px rgba(16,32,27,.6);
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:40px;height:40px;border-radius:var(--radius-btn);border:1px solid var(--line);
  background:var(--surface);cursor:pointer;font-size:20px;line-height:1;color:var(--ink-2);
}
.drawer-cta{display:grid;gap:10px;margin-bottom:26px;}
.drawer-nav{display:grid;gap:6px;}
.drawer-nav a{
  display:block;padding:12px 14px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--surface);color:var(--ink-2);font-size:15px;
}
.drawer-nav a.is-active{background:var(--accent);border-color:var(--accent);color:var(--ink);font-weight:700;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:16px;font-weight:600;
  cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),
             border-color var(--dur) var(--ease),transform var(--dur) var(--ease),
             box-shadow var(--dur) var(--ease);
}
.btn .arrow{transition:transform var(--dur) var(--ease);}
.btn:hover .arrow{transform:translateX(3px);}
.btn:active{transform:translateY(1px);}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-700);box-shadow:var(--shadow-2);}
.btn-secondary{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-secondary:hover{background:rgba(18,58,46,.06);}
.btn-ghost{background:transparent;color:var(--brand);padding:0 8px;}
.btn-ghost:hover{color:var(--brand-700);}
.btn-light{background:#fff;color:var(--brand);}
.btn-light:hover{background:var(--accent);color:var(--ink);box-shadow:var(--shadow-2);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:999px;}

.link-more{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:600;font-size:15px;
}
.link-more::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.link-more:hover::after{transform:scaleX(1);}

/* ============ 面包屑 ============ */
.crumb-bar{border-bottom:1px solid var(--line);background:var(--paper);}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:16px 0;font-size:14px;color:var(--ink-3);
}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--ink-3);}
.crumb .current{color:var(--ink);font-weight:600;}

/* ============ Hero ============ */
.hero{
  position:relative;
  background:var(--dark) url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,26,22,.9) 0%,rgba(12,26,22,.72) 52%,rgba(12,26,22,.5) 100%);
}
.hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
  padding:88px 0 84px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--accent);
  margin-bottom:18px;
}
.hero h1{
  font-size:52px;line-height:1.16;font-weight:800;letter-spacing:-.01em;
  color:#fff;margin-bottom:20px;
}
.hero-sub{
  font-size:18px;line-height:1.85;color:rgba(237,242,238,.86);
  max-width:620px;margin-bottom:26px;
}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:32px;padding:0 14px;border-radius:999px;
  font-size:13px;color:var(--dark-ink);
  border:1px solid rgba(216,244,92,.5);
  background:rgba(216,244,92,.1);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-actions .btn-secondary{border-color:rgba(237,242,238,.55);color:#fff;}
.hero-actions .btn-secondary:hover{background:rgba(237,242,238,.12);}
.hero-panel{
  background:rgba(12,26,22,.62);
  border:1px solid rgba(237,242,238,.16);
  border-radius:var(--radius-media);
  padding:26px;
}
.hero-panel h2{
  font-size:16px;font-weight:700;color:var(--accent);letter-spacing:.02em;margin-bottom:16px;
}
.hero-panel ul{display:grid;gap:14px;}
.hero-panel li{
  display:flex;gap:12px;align-items:flex-start;
  padding-bottom:14px;border-bottom:1px solid rgba(237,242,238,.14);
  font-size:15px;line-height:1.7;color:rgba(237,242,238,.9);
}
.hero-panel li:last-child{border-bottom:0;padding-bottom:0;}
.hero-panel .idx{
  flex:0 0 auto;font-variant-numeric:tabular-nums;font-weight:700;color:var(--accent);font-size:14px;
}

/* ============ 通用板块 ============ */
.section{padding:var(--sec) 0;}
.section--tight{padding:72px 0;}
.section--paper{background:var(--paper);}
.section--surface{background:var(--surface);}
.section--dark{background:var(--dark);color:var(--dark-ink);}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:44px;
}
.sec-head h2{
  font-size:36px;line-height:1.25;font-weight:800;letter-spacing:-.01em;
}
.sec-head .lead{
  margin-top:14px;font-size:17px;line-height:1.85;color:var(--ink-2);max-width:720px;
}
.section--dark .sec-head h2{color:#fff;}
.section--dark .sec-head .lead{color:rgba(237,242,238,.78);}
.sec-tag{
  display:inline-block;font-size:12px;letter-spacing:.1em;color:var(--brand);
  margin-bottom:14px;
}

/* ============ 2×2 不等高图文块 ============ */
.feature-grid{
  display:grid;
  grid-template-columns:1.08fr 1fr;
  gap:24px;
  align-items:start;
}
.feature-col{display:grid;gap:24px;}
.feature-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.feature-card:hover{
  transform:translateY(-2px);
  border-color:var(--brand);
  box-shadow:var(--shadow-2);
}
.feature-media{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform 480ms var(--ease);}
.feature-card:hover .feature-media img{transform:scale(1.03);}
.feature-card--tall .feature-media{aspect-ratio:4/3;}
.feature-card--short .feature-media{aspect-ratio:16/10;}
.feature-body{padding:24px;}
.feature-body h3{font-size:19px;line-height:1.5;font-weight:700;margin-bottom:10px;}
.feature-body p{font-size:15px;line-height:1.85;color:var(--ink-2);}
.feature-meta{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;
}
.chip{
  display:inline-flex;align-items:center;
  height:28px;padding:0 12px;border-radius:999px;
  border:1px solid var(--line);background:var(--paper);
  font-size:13px;color:var(--ink-2);
}
.chip--accent{border-color:var(--accent);background:rgba(216,244,92,.22);color:var(--brand);}

/* ============ 流程时间线 ============ */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;position:relative;
}
.steps::before{
  content:"";position:absolute;left:8%;right:8%;top:15px;height:1px;background:var(--line);
}
.step{
  position:relative;padding:0 20px 0 0;
}
.step .node{
  position:relative;z-index:1;
  width:14px;height:14px;border-radius:50%;
  background:var(--accent);border:3px solid var(--paper);
  box-shadow:0 0 0 1px var(--line);
  margin-bottom:22px;
}
.section--surface .step .node{border-color:var(--surface);}
.step h3{font-size:19px;font-weight:700;line-height:1.5;margin-bottom:10px;}
.step p{font-size:15px;line-height:1.85;color:var(--ink-2);}
.step .step-no{
  display:block;font-size:13px;font-weight:700;letter-spacing:.12em;
  color:var(--ink-3);margin-bottom:8px;font-variant-numeric:tabular-nums;
}

/* ============ 数据区块 ============ */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:12px;
}
.stat{
  padding:8px 28px;
  border-left:1px solid rgba(237,242,238,.18);
}
.stat:first-child{border-left:0;padding-left:0;}
.stat .figure{
  font-size:52px;line-height:1.1;font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
  display:block;margin-bottom:12px;
}
.stat .figure small{font-size:18px;font-weight:600;color:var(--dark-ink);margin-left:6px;letter-spacing:0;}
.stat p{font-size:14px;line-height:1.8;color:rgba(237,242,238,.76);}

/* ============ 编号列表 ============ */
.notice-list{
  border-top:1px solid var(--line);
}
.notice-item{
  display:grid;grid-template-columns:72px 1fr;gap:20px;
  padding:22px 0;border-bottom:1px solid var(--line);
  transition:background var(--dur) var(--ease);
}
.notice-item:hover{background:rgba(18,58,46,.03);}
.notice-item .no{
  font-size:20px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.notice-item h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.notice-item p{font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ============ 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:20px;
  padding:22px 0;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:700;color:var(--ink);line-height:1.6;
  transition:color var(--dur) var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  position:relative;flex:0 0 auto;width:20px;height:20px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;opacity:0;
  transition:max-height 300ms var(--ease),opacity 300ms var(--ease),padding 300ms var(--ease);
}
.faq-item.is-open .faq-a{max-height:460px;opacity:1;padding-bottom:22px;}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-a p{
  font-size:16px;line-height:1.85;color:var(--ink-2);
  border-left:3px solid var(--accent);padding-left:18px;
}

/* ============ 延伸阅读 ============ */
.read-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.read-card{
  display:block;padding:24px;border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--surface);box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.read-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow-2);}
.read-card .kicker{font-size:12px;letter-spacing:.1em;color:var(--ink-3);display:block;margin-bottom:12px;}
.read-card h3{font-size:18px;font-weight:700;line-height:1.55;margin-bottom:10px;}
.read-card p{font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ============ CTA ============ */
.cta{
  position:relative;background:var(--brand);color:#fff;overflow:hidden;
}
.cta::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:180px;
  background:repeating-linear-gradient(90deg,rgba(216,244,92,.28) 0 1px,transparent 1px 14px);
  opacity:.5;
}
.cta-inner{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  padding:64px 0;
}
.cta h2{font-size:32px;line-height:1.3;font-weight:800;margin-bottom:12px;color:#fff;}
.cta p{font-size:16px;line-height:1.85;color:rgba(237,242,238,.85);max-width:640px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:var(--dark-ink);padding:72px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.15fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-mark{background:var(--accent);}
.footer-brand .brand-mark::after{background:var(--brand);}
.footer-brand .brand-name{color:#fff;font-size:19px;}
.footer-about{font-size:14.5px;line-height:1.9;color:rgba(237,242,238,.72);max-width:440px;}
.footer-col h3{
  font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:14.5px;color:rgba(237,242,238,.78);transition:color var(--dur) var(--ease);}
.footer-col a:hover{color:var(--accent);}
.footer-col p{font-size:14.5px;line-height:1.9;color:rgba(237,242,238,.72);margin-bottom:8px;}
.footer-bottom{
  border-top:1px solid rgba(237,242,238,.14);
  padding:22px 0 32px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
}
.footer-bottom p{font-size:13px;color:rgba(237,242,238,.6);}
.footer-bottom .health{max-width:760px;line-height:1.8;}

/* ============ 入场动效 ============ */
.js-on .reveal{opacity:0;transform:translateY(12px);transition:opacity 620ms var(--ease),transform 620ms var(--ease);}
.js-on .reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  .js-on .reveal{opacity:1!important;transform:none!important;}
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero h1{font-size:44px;}
  .hero-inner{padding:72px 0;}
}
@media (max-width:1023px){
  :root{--sec:72px;}
  .search{max-width:280px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:64px 0;}
  .hero h1{font-size:38px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .sec-head h2{font-size:30px;}
  .feature-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .steps::before{display:none;}
  .step{padding-right:24px;}
  .stats{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .stat{padding:8px 24px;}
  .stat:nth-child(3){border-left:0;padding-left:0;}
  .read-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:26px;padding:56px 0;}
  .cta::after{width:110px;opacity:.35;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  body{font-size:16px;}
  .container{padding:0 18px;}
  .bar-inner{gap:12px;min-height:64px;}
  .search{display:none;}
  .bar-actions .btn-primary,.bar-actions .btn-ghost{display:none;}
  .menu-toggle{display:flex;}
  .brand-name{font-size:17px;}
  .hero h1{font-size:32px;line-height:1.25;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .hero-panel{padding:20px;}
  .sec-head h2{font-size:25px;}
  .sec-head .lead{font-size:16px;}
  .steps{grid-template-columns:1fr;gap:28px;}
  .step{padding-right:0;}
  .stats{grid-template-columns:1fr;gap:0;}
  .stat{border-left:0;padding:20px 0;border-top:1px solid rgba(237,242,238,.16);}
  .stat:first-child{border-top:0;padding-top:0;}
  .stat .figure{font-size:40px;}
  .notice-item{grid-template-columns:52px 1fr;gap:14px;}
  .read-grid{grid-template-columns:1fr;}
  .cta h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:479px){
  .hero h1{font-size:29px;}
  .badges{gap:8px;}
  .badge{font-size:12px;padding:0 10px;}
}

/* roulang page: category3 */
:root{
  --ink:#10201B;--ink-2:#4A5A55;--ink-3:#8A9691;
  --brand:#123A2E;--brand-700:#1C513F;
  --accent:#D8F45C;--accent-2:#FF7A45;
  --paper:#F7F5F0;--surface:#FFFFFF;--line:#E4E1D8;
  --dark:#0C1A16;--dark-ink:#EDF2EE;
  --r-btn:10px;--r-card:14px;--r-media:16px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(16,32,27,.05);
  --sh-2:0 10px 28px -14px rgba(16,32,27,.22);
  --ease:cubic-bezier(.2,.8,.2,1);
  --t:220ms;
  --sp-sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Noto Sans SC","思源黑体","PingFang SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.72;font-weight:400;
  font-feature-settings:"tnum" 1;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
p{margin:0}
::selection{background:var(--accent);color:var(--ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease),transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
  white-space:nowrap;
}
.btn i{transition:transform var(--t) var(--ease)}
.btn:hover i{transform:translateX(3px)}
.btn:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;pointer-events:none}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brand-700);box-shadow:var(--sh-2)}
.btn-secondary{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.btn-secondary:hover{background:rgba(18,58,46,.06)}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:var(--accent);color:var(--ink)}
.btn-ghost{height:auto;padding:6px 0;color:var(--brand);font-weight:600;border-radius:0}
.btn-ghost span{border-bottom:2px solid transparent;transition:border-color var(--t) var(--ease)}
.btn-ghost:hover span{border-color:var(--accent)}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:var(--r-pill)}

/* ============ header ============ */
.site-header{position:relative;z-index:60;background:var(--surface)}
.bar-main{border-bottom:1px solid var(--line)}
.bar-main-inner{display:flex;align-items:center;gap:24px;height:76px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:28px;height:28px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-700) 58%,var(--accent) 100%);
  box-shadow:inset 0 0 0 1px rgba(216,244,92,.5);
}
.brand-name{font-size:19px;font-weight:800;letter-spacing:-.01em}
.search{
  position:relative;flex:1 1 auto;max-width:420px;
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--paper);border:1px solid var(--line);
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease),background var(--t) var(--ease);
}
.search i{color:var(--ink-3);font-size:14px}
.search input{flex:1;border:0;background:transparent;outline:none;font-size:15px;color:var(--ink)}
.search input::placeholder{color:var(--ink-3)}
.search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 2px 0 0 var(--accent)}
.bar-actions{display:flex;align-items:center;gap:18px;margin-left:auto;flex:0 0 auto}
.link-plain{font-size:15px;color:var(--ink-2);font-weight:500;position:relative}
.link-plain::after{content:"";position:absolute;left:0;bottom:-3px;height:2px;width:100%;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform var(--t) var(--ease)}
.link-plain:hover::after{transform:scaleX(1)}
.menu-btn{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);color:var(--brand);font-size:17px;align-items:center;justify-content:center}

.bar-tabs{
  position:sticky;top:0;z-index:55;background:var(--surface);
  border-bottom:1px solid var(--line);transition:box-shadow var(--t) var(--ease);
}
.bar-tabs.is-stuck{box-shadow:0 6px 20px -16px rgba(16,32,27,.4)}
.tabs-inner{
  display:flex;align-items:center;gap:10px;
  height:52px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.tabs-inner::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--line);color:var(--ink-2);
  font-size:14.5px;font-weight:500;white-space:nowrap;
  transition:background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
  scroll-margin-top:76px;
}
.tab:hover{color:var(--ink);border-color:var(--brand);background:rgba(18,58,46,.04)}
.tab.is-active{background:var(--accent);border-color:var(--accent);color:var(--ink);font-weight:700}

/* drawer */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(360px,88vw);background:var(--surface);
  transform:translateX(102%);transition:transform var(--t) var(--ease);
  z-index:90;display:flex;flex-direction:column;padding:24px;overflow-y:auto;
  box-shadow:-24px 0 60px -30px rgba(16,32,27,.5);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--line);color:var(--brand)}
.drawer .btn-primary{width:100%;justify-content:center;margin-bottom:10px}
.drawer-nav{margin-top:22px;border-top:1px solid var(--line);padding-top:14px}
.drawer-nav a{display:block;padding:13px 4px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink-2)}
.drawer-nav a.is-active{color:var(--brand);font-weight:700}
.drawer-backdrop{position:fixed;inset:0;background:rgba(12,26,22,.5);opacity:0;visibility:hidden;transition:opacity var(--t) var(--ease);z-index:85}
.drawer-backdrop.is-open{opacity:1;visibility:visible}

/* ============ page hero ============ */
main{display:block}
.crumbs{padding:22px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3)}
.crumbs a{color:var(--ink-2);transition:color var(--t) var(--ease)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--line)}
.crumbs .now{color:var(--ink);font-weight:600}

.hero-cat{padding:34px 0 8px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 13px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);
  font-size:12.5px;color:var(--ink-2);letter-spacing:.02em;
}
.tag-accent{border-color:var(--accent);background:rgba(216,244,92,.28);color:var(--ink);font-weight:600}
h1{font-size:56px;line-height:1.14;font-weight:800}
.hero-sub{margin-top:18px;font-size:18px;color:var(--ink-2);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-media{
  position:relative;border-radius:var(--r-media);overflow:hidden;
  aspect-ratio:4/3;box-shadow:var(--sh-2);background:var(--paper);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media figcaption{
  position:absolute;left:16px;bottom:16px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(12,26,22,.72);color:var(--dark-ink);font-size:13px;
}
.hero-facts{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;padding-top:22px;border-top:1px solid var(--line)}
.hero-fact{display:flex;flex-direction:column;gap:2px}
.hero-fact b{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums}
.hero-fact span{font-size:13px;color:var(--ink-3)}

/* ============ section base ============ */
.section{padding:var(--sp-sec) 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
h2{font-size:36px;line-height:1.22;font-weight:800}
.sec-lead{margin-top:12px;max-width:720px;color:var(--ink-2);font-size:17px}
.eyebrow{
  display:inline-block;margin-bottom:12px;padding:4px 10px;
  border-radius:var(--r-pill);background:rgba(216,244,92,.3);
  color:var(--brand);font-size:12.5px;font-weight:700;letter-spacing:.06em;
}

/* ============ dark stat band ============ */
.band{background:var(--dark);color:var(--dark-ink);border-radius:var(--r-media);padding:42px 40px;margin-top:44px}
.band-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.band-item{padding:0 26px;border-left:1px solid rgba(237,242,238,.16)}
.band-item:first-child{border-left:0;padding-left:0}
.band-num{font-size:44px;line-height:1.06;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums}
.band-num small{font-size:18px;font-weight:600;margin-left:4px}
.band-item p{margin-top:10px;font-size:14px;color:rgba(237,242,238,.72);line-height:1.7}

/* ============ rail cards ============ */
.rail-head{display:flex;align-items:center;gap:14px;margin-left:auto}
.rail-btn{
  width:42px;height:42px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--surface);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;
  transition:background var(--t) var(--ease),border-color var(--t) var(--ease),color var(--t) var(--ease);
}
.rail-btn:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.rail{
  display:grid;grid-auto-flow:column;
  grid-auto-columns:calc((100% - 72px) / 3.5);
  gap:24px;overflow-x:auto;padding-bottom:10px;
  scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;display:flex;flex-direction:column;gap:14px;
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.rail-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--sh-2)}
.rail-media{aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:var(--paper)}
.rail-media img{width:100%;height:100%;object-fit:cover}
.rail-card h3{font-size:19px;line-height:1.42;font-weight:700}
.rail-card p{font-size:14.5px;color:var(--ink-2);line-height:1.68;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;border-top:1px solid var(--line)}
.rail-meta .pill{font-size:12px;padding:4px 11px;border-radius:var(--r-pill);border:1px solid var(--accent);color:var(--brand);font-weight:600}
.rail-meta .go{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.rail-card:hover .go i{transform:translateX(3px)}
.rail-meta .go i{transition:transform var(--t) var(--ease)}
.rail-hint{margin-top:14px;font-size:13.5px;color:var(--ink-3)}
.rail-sep{height:1px;background:var(--line);margin:48px 0 0}

/* ============ rows list ============ */
.rows{border-top:1px solid var(--line)}
.row{
  display:grid;grid-template-columns:88px 1fr auto;gap:24px;align-items:center;
  padding:24px 0;border-bottom:1px solid var(--line);
  transition:background var(--t) var(--ease),padding-left var(--t) var(--ease);
}
.row:hover{background:rgba(216,244,92,.12);padding-left:8px}
.row-num{font-size:15px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.06em}
.row h3{font-size:19px;font-weight:700;line-height:1.4}
.row p{margin-top:6px;font-size:15px;color:var(--ink-2);line-height:1.7}
.row .row-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.row .row-link i{transition:transform var(--t) var(--ease)}
.row:hover .row-link i{transform:translateX(3px)}

/* ============ faq ============ */
.faq{border-top:1px solid var(--line);margin-top:6px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:flex-start;gap:16px;
  padding:22px 16px 22px 18px;border-left:3px solid transparent;
  font-size:17px;font-weight:700;line-height:1.6;color:var(--ink);
  transition:color var(--t) var(--ease),border-color var(--t) var(--ease),background var(--t) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand);background:rgba(18,58,46,.03)}
.faq-item summary .mark{
  flex:0 0 auto;width:22px;height:22px;margin-top:3px;border-radius:6px;
  background:var(--paper);border:1px solid var(--line);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;
  transition:background var(--t) var(--ease),border-color var(--t) var(--ease),transform var(--t) var(--ease);
}
.faq-item[open] summary{color:var(--brand);border-left-color:var(--accent)}
.faq-item[open] summary .mark{background:var(--accent);border-color:var(--accent);color:var(--ink);transform:rotate(180deg)}
.faq-body{padding:0 18px 24px 56px}
.faq-body p{font-size:16px;line-height:1.85;color:var(--ink-2)}
.faq-body p + p{margin-top:12px}
.faq-body ul{margin-top:12px;display:grid;gap:8px}
.faq-body li{position:relative;padding-left:18px;font-size:15.5px;color:var(--ink-2);line-height:1.8}
.faq-body li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--accent)}

/* ============ reading links ============ */
.readmore{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.readmore a{
  display:flex;flex-direction:column;gap:10px;padding:24px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.readmore a:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--sh-2)}
.readmore strong{font-size:17px;font-weight:700}
.readmore span{font-size:14px;color:var(--ink-2);line-height:1.7}
.readmore em{font-style:normal;font-size:13px;color:var(--brand);font-weight:600;letter-spacing:.04em}

/* ============ cta ============ */
.cta{
  position:relative;overflow:hidden;margin-top:var(--sp-sec);
  background:var(--brand);color:#fff;border-radius:var(--r-media);
  padding:56px 48px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
}
.cta::after{
  content:"";position:absolute;right:-40px;top:-60px;width:260px;height:260px;
  background:repeating-linear-gradient(90deg,rgba(216,244,92,.35) 0 1px,transparent 1px 12px);
  opacity:.5;transform:rotate(12deg);
}
.cta h2{color:#fff;font-size:34px}
.cta p{margin-top:12px;color:rgba(255,255,255,.82);max-width:640px;font-size:16.5px}
.cta .btn{position:relative;z-index:2}

/* ============ footer ============ */
.site-footer{background:var(--dark);color:var(--dark-ink);margin-top:var(--sp-sec);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:inset 0 0 0 1px rgba(216,244,92,.6)}
.footer-brand .brand-name{font-size:19px;font-weight:800;color:#fff}
.footer-about{font-size:14.5px;line-height:1.85;color:rgba(237,242,238,.68);max-width:460px}
.footer-col h3{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col li a,.footer-col p{font-size:14.5px;color:rgba(237,242,238,.7);line-height:1.7;transition:color var(--t) var(--ease)}
.footer-col li a:hover{color:var(--accent)}
.footer-col p + p{margin-top:10px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(237,242,238,.16);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13.5px;color:rgba(237,242,238,.6);
}
.footer-bottom .health{max-width:760px;line-height:1.75}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ responsive ============ */
@media (max-width:1279px){
  h1{font-size:48px}
  .band-num{font-size:38px}
}
@media (max-width:1023px){
  :root{--sp-sec:72px}
  .bar-main-inner{height:70px;gap:16px}
  .search{max-width:300px}
  .bar-actions .link-plain{display:none}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:2}
  h1{font-size:40px}
  h2{font-size:30px}
  .band-inner{grid-template-columns:repeat(2,1fr);row-gap:30px}
  .band-item:nth-child(3){border-left:0;padding-left:0}
  .band-item:nth-child(2n){padding-right:0}
  .rail{grid-auto-columns:calc((100% - 48px) / 2.2)}
  .readmore{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta{grid-template-columns:1fr;padding:44px 32px}
}
@media (max-width:767px){
  :root{--sp-sec:56px}
  body{font-size:16px}
  .container{padding:0 18px}
  .bar-main-inner{height:64px}
  .brand-name{font-size:17px}
  .search{display:none}
  .menu-btn{display:inline-flex}
  .bar-actions{gap:10px}
  h1{font-size:32px;line-height:1.2}
  h2{font-size:25px}
  .hero-actions .btn{flex:1 1 100%;justify-content:center}
  .hero-facts{gap:18px}
  .band{padding:30px 22px}
  .band-inner{grid-template-columns:1fr;row-gap:24px}
  .band-item{border-left:0;padding:0;border-top:1px solid rgba(237,242,238,.16);padding-top:20px}
  .band-item:first-child{border-top:0;padding-top:0}
  .rail{grid-auto-columns:calc((100% - 24px) / 1.2);gap:16px}
  .rail-head{display:none}
  .row{grid-template-columns:1fr;gap:8px;align-items:flex-start}
  .row-num{font-size:13px}
  .faq-body{padding:0 12px 22px 30px}
  .readmore a{padding:20px}
  .cta{padding:34px 22px}
  .cta h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  .tabs-inner{gap:8px}
  .tab{padding:0 13px;font-size:13.5px}
  .hero-sub{font-size:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}