/* roulang page: index */
:root{
  --ink:#0d1a15;
  --ink-2:#16281f;
  --surface:#ffffff;
  --surface-alt:#f4f1e9;
  --surface-soft:#faf8f3;
  --tea:#8a5a2b;
  --tea-light:#e8d5bd;
  --mint:#18c08f;
  --mint-deep:#0b8f6a;
  --text:#1c2722;
  --muted:#5f7169;
  --border:#e4e0d4;
  --radius-xl:26px;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-sm:0 2px 10px rgba(13,26,21,.06);
  --shadow-md:0 16px 38px rgba(13,26,21,.12);
  --shadow-lg:0 26px 60px rgba(13,26,21,.18);
  --max:1180px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid var(--mint);outline-offset:3px;border-radius:6px;}

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

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(13,26,21,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--mint),var(--mint-deep));
  color:#04231a;font-weight:800;font-size:18px;
  box-shadow:0 8px 20px rgba(24,192,143,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{color:#fff;font-size:16px;letter-spacing:.02em;}
.brand-text small{color:rgba(255,255,255,.58);font-size:11.5px;letter-spacing:.08em;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:12px;}
.nav-link{
  padding:9px 16px;border-radius:999px;font-size:14.5px;
  color:rgba(255,255,255,.72);transition:.22s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09);}
.nav-link.active{color:#04231a;background:var(--mint);font-weight:600;}
.header-cta{
  margin-left:auto;padding:10px 20px;border-radius:999px;
  background:rgba(255,255,255,.1);color:#fff;font-size:14px;font-weight:600;
  border:1px solid rgba(255,255,255,.18);transition:.22s ease;
}
.header-cta:hover{background:var(--mint);color:#04231a;border-color:var(--mint);}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:20px;line-height:1;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:.24s ease;
}
.btn-primary{background:var(--mint);color:#04231a;box-shadow:0 12px 28px rgba(24,192,143,.3);}
.btn-primary:hover{background:#22d69e;transform:translateY(-2px);box-shadow:0 18px 34px rgba(24,192,143,.4);}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.3);}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--border);}
.btn-outline:hover{border-color:var(--tea);color:var(--tea);background:var(--surface-soft);}
.btn:active{transform:translateY(0) scale(.99);}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:96px 0 84px;
  background:
    linear-gradient(105deg,rgba(9,20,15,.94) 0%,rgba(9,20,15,.78) 46%,rgba(20,38,29,.52) 100%),
    url('/assets/images/189407448379a030.jpg') center/cover no-repeat;
  color:#fff;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:120px;
  background:linear-gradient(to top,rgba(13,26,21,.55),transparent);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:800px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;margin-bottom:26px;
  background:rgba(24,192,143,.16);border:1px solid rgba(24,192,143,.4);
  color:#7ff0c8;font-size:13px;letter-spacing:.12em;
}
.hero h1{
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.24;letter-spacing:-.02em;margin-bottom:22px;
}
.hero h1 .hl{color:var(--mint);}
.hero-lead{
  font-size:clamp(15px,1.5vw,17.5px);
  color:rgba(255,255,255,.82);max-width:660px;margin-bottom:34px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 15px;border-radius:999px;font-size:13.5px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
  color:rgba(255,255,255,.85);
}
.pill i{width:7px;height:7px;border-radius:50%;background:var(--mint);display:block;}

/* ---------- generic section ---------- */
.section{padding:84px 0;}
.section--alt{background:var(--surface-alt);}
.section--dark{background:var(--ink);color:#fff;}
.section--dark .section-sub{color:rgba(255,255,255,.68);}
.section--tight{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:.18em;
  color:var(--mint-deep);font-weight:700;margin-bottom:12px;
}
.section--dark .section-eyebrow{color:var(--mint);}
.section-title{font-size:clamp(23px,2.7vw,33px);margin-bottom:14px;}
.section-sub{color:var(--muted);font-size:15.5px;}

/* ---------- stats ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--border);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.stat{background:var(--surface);padding:30px 26px;}
.stat b{display:block;font-size:34px;letter-spacing:-.03em;color:var(--ink);line-height:1.1;}
.stat b span{font-size:16px;color:var(--mint-deep);margin-left:3px;}
.stat p{font-size:13.5px;color:var(--muted);margin-top:8px;}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:24px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

.card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:28px;
  transition:.26s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--tea-light);}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:var(--surface-alt);color:var(--tea);font-weight:800;font-size:17px;
  margin-bottom:18px;
}
.card h3{font-size:18px;margin-bottom:10px;}
.card p{font-size:14.5px;color:var(--muted);}

.tag{
  display:inline-block;padding:5px 12px;border-radius:999px;
  background:var(--surface-alt);color:var(--tea);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.tag--mint{background:rgba(24,192,143,.14);color:var(--mint-deep);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- route cards ---------- */
.route-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-xl);overflow:hidden;transition:.28s ease;
  display:flex;flex-direction:column;
}
.route-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);}
.route-media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.route-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.route-card:hover .route-media img{transform:scale(1.06);}
.route-media .tag{position:absolute;left:16px;top:16px;background:rgba(13,26,21,.78);color:#8ff2cd;}
.route-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.route-body h3{font-size:18px;}
.route-body p{font-size:14.5px;color:var(--muted);}
.route-foot{display:flex;gap:16px;flex-wrap:wrap;margin-top:auto;padding-top:14px;border-top:1px dashed var(--border);font-size:13px;color:var(--muted);}

/* ---------- tea list ---------- */
.tea-list{display:grid;gap:16px;}
.tea-item{
  display:grid;grid-template-columns:150px 1fr auto;gap:22px;align-items:center;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:18px;transition:.24s ease;
}
.tea-item:hover{border-color:var(--tea-light);box-shadow:var(--shadow-sm);}
.tea-item img{width:150px;height:104px;object-fit:cover;border-radius:var(--radius-md);}
.tea-item h3{font-size:17px;margin-bottom:6px;}
.tea-item p{font-size:14px;color:var(--muted);}
.tea-time{font-size:13px;font-weight:700;color:var(--mint-deep);white-space:nowrap;background:rgba(24,192,143,.12);padding:8px 14px;border-radius:999px;}

/* ---------- timeline ---------- */
.timeline{display:grid;gap:0;border-left:2px solid var(--border);margin-left:8px;}
.tl-item{position:relative;padding:0 0 30px 28px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-7px;top:9px;width:12px;height:12px;
  border-radius:50%;background:var(--surface);border:3px solid var(--mint);
}
.tl-day{font-size:13px;font-weight:700;color:var(--mint-deep);letter-spacing:.08em;margin-bottom:4px;}
.tl-item h3{font-size:17px;margin-bottom:6px;}
.tl-item p{font-size:14.5px;color:var(--muted);}

/* ---------- leaders ---------- */
.leader{text-align:center;}
.leader img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:var(--radius-lg);margin-bottom:18px;}
.leader h3{font-size:17px;margin-bottom:4px;}
.leader .role{font-size:13px;color:var(--mint-deep);font-weight:600;margin-bottom:10px;}
.leader p{font-size:14px;color:var(--muted);}

/* ---------- checklist ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.check{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-md);padding:16px 18px;font-size:14.5px;
}
.check b{color:var(--mint-deep);flex-shrink:0;}

/* ---------- channel ---------- */
.channel{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:linear-gradient(120deg,var(--ink) 0%,var(--ink-2) 100%);
  color:#fff;border-radius:var(--radius-xl);padding:38px 40px;
}
.channel h3{font-size:22px;margin-bottom:8px;}
.channel p{font-size:14.5px;color:rgba(255,255,255,.72);max-width:620px;}

/* ---------- posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.post-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:24px;transition:.24s ease;
  display:flex;flex-direction:column;gap:12px;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--tea-light);}
.post-card h3{font-size:16.5px;line-height:1.5;}
.post-card h3 a:hover{color:var(--mint-deep);}
.post-card p{font-size:14px;color:var(--muted);}
.post-meta{display:flex;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);margin-top:auto;padding-top:12px;border-top:1px dashed var(--border);}
.empty-note{grid-column:1/-1;padding:34px;text-align:center;color:var(--muted);background:var(--surface-soft);border:1px dashed var(--border);border-radius:var(--radius-lg);font-size:14.5px;}

/* ---------- benefits ---------- */
.benefit-list{display:grid;gap:14px;}
.benefit{
  display:flex;gap:16px;align-items:center;
  padding:18px 22px;border-radius:var(--radius-md);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
}
.benefit b{color:var(--mint);font-size:15px;flex-shrink:0;width:26px;}
.benefit span{font-size:14.5px;color:rgba(255,255,255,.82);}

/* ---------- quotes ---------- */
.quote{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:28px;position:relative;
}
.quote::before{
  content:"”";position:absolute;right:22px;top:6px;
  font-size:64px;line-height:1;color:var(--tea-light);
}
.quote p{font-size:14.8px;color:var(--text);margin-bottom:18px;}
.quote-user{display:flex;align-items:center;gap:12px;font-size:13.5px;color:var(--muted);}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--surface-alt);display:grid;place-items:center;color:var(--tea);font-weight:700;}

/* ---------- faq ---------- */
.faq{display:grid;gap:14px;max-width:860px;}
.faq details{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-md);padding:20px 24px;transition:.22s ease;
}
.faq details[open]{border-color:var(--tea-light);box-shadow:var(--shadow-sm);}
.faq summary{
  cursor:pointer;font-weight:600;font-size:15.5px;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";color:var(--mint-deep);font-size:20px;font-weight:700;}
.faq details[open] summary::after{content:"−";}
.faq details p{margin-top:12px;font-size:14.5px;color:var(--muted);}

/* ---------- contact ---------- */
.contact-wrap{
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.contact-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-xl);padding:34px;box-shadow:var(--shadow-sm);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;padding:13px 16px;border-radius:var(--radius-md);
  border:1px solid var(--border);background:var(--surface-soft);
  transition:.2s ease;color:var(--text);
}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--mint);background:#fff;
  box-shadow:0 0 0 4px rgba(24,192,143,.14);
}
.field textarea{resize:vertical;min-height:110px;}
.contact-info{display:grid;gap:18px;margin-top:26px;}
.info-item{display:flex;gap:14px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.82);}
.info-item b{color:var(--mint);flex-shrink:0;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:64px 0 30px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand strong{display:block;color:#fff;font-size:17px;margin-bottom:12px;}
.footer-brand p{font-size:14px;line-height:1.8;max-width:340px;}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:16px;letter-spacing:.04em;}
.footer-col a{display:block;font-size:14px;padding:6px 0;color:rgba(255,255,255,.66);transition:.2s ease;}
.footer-col a:hover{color:var(--mint);transform:translateX(3px);}
.footer-bottom{padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);}
  .contact-wrap{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:860px){
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:4px;
    background:var(--ink);padding:14px 20px 22px;
    border-bottom:1px solid rgba(255,255,255,.1);
    display:none;
  }
  .main-nav.open{display:flex;}
  .nav-link{padding:12px 16px;}
  .header-cta{display:none;}
  .nav-toggle{display:block;}
  .header-inner{position:relative;}
}
@media (max-width:768px){
  .section{padding:62px 0;}
  .hero{padding:76px 0 62px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .tea-item{grid-template-columns:1fr;gap:14px;}
  .tea-item img{width:100%;height:170px;}
  .channel{padding:30px 24px;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .contact-card{padding:24px;}
  .stats{grid-template-columns:1fr 1fr;}
  .stat{padding:22px 18px;}
  .stat b{font-size:26px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .brand-text small{display:none;}
  .brand-text strong{font-size:14.5px;}
  .hero h1{font-size:26px;}
  .hero-actions .btn{width:100%;}
  .section{padding:52px 0;}
  .stats{grid-template-columns:1fr;}
  .btn{padding:13px 22px;font-size:14.5px;}
}

/* roulang page: article */
:root{
  --ink:#0d1a15;
  --ink-2:#16281f;
  --surface:#ffffff;
  --surface-alt:#f4f1e9;
  --surface-soft:#faf8f3;
  --tea:#8a5a2b;
  --tea-light:#e8d5bd;
  --mint:#18c08f;
  --mint-deep:#0b8f6a;
  --text:#1c2722;
  --muted:#5f7169;
  --border:#e4e0d4;
  --radius-xl:26px;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-sm:0 2px 10px rgba(13,26,21,.06);
  --shadow-md:0 16px 38px rgba(13,26,21,.12);
  --shadow-lg:0 26px 60px rgba(13,26,21,.18);
  --max:1180px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
:focus-visible{outline:3px solid rgba(24,192,143,.55);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(13,26,21,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--mint),var(--mint-deep));
  color:#04231a;font-weight:800;font-size:18px;
  box-shadow:0 8px 20px rgba(24,192,143,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{color:#fff;font-size:16px;letter-spacing:.02em;}
.brand-text small{color:rgba(255,255,255,.58);font-size:11.5px;letter-spacing:.08em;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:12px;}
.nav-link{
  padding:9px 16px;border-radius:999px;font-size:14.5px;
  color:rgba(255,255,255,.72);transition:.22s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09);}
.nav-link.active{color:#04231a;background:var(--mint);font-weight:600;}
.header-cta{
  margin-left:auto;padding:10px 20px;border-radius:999px;
  background:rgba(255,255,255,.1);color:#fff;font-size:14px;font-weight:600;
  border:1px solid rgba(255,255,255,.18);transition:.22s ease;
}
.header-cta:hover{background:var(--mint);color:#04231a;border-color:var(--mint);}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:20px;line-height:1;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:.24s ease;
}
.btn-primary{background:var(--mint);color:#04231a;box-shadow:0 12px 28px rgba(24,192,143,.3);}
.btn-primary:hover{background:#22d69e;transform:translateY(-2px);box-shadow:0 18px 34px rgba(24,192,143,.4);}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.3);}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--border);}
.btn-outline:hover{border-color:var(--tea);color:var(--tea);background:var(--surface-soft);}
.btn:active{transform:translateY(0) scale(.99);}

/* ---------- section ---------- */
.section{padding:84px 0;}
.section--alt{background:var(--surface-alt);}
.section--soft{background:var(--surface-soft);}
.section--dark{background:var(--ink);color:#fff;}
.section--tight{padding:58px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:.18em;
  color:var(--mint-deep);font-weight:700;margin-bottom:12px;
}
.section--dark .section-eyebrow{color:var(--mint);}
.section-title{font-size:clamp(23px,2.7vw,33px);margin-bottom:14px;line-height:1.35;}
.section-sub{color:var(--muted);font-size:15.5px;}
.section--dark .section-sub{color:rgba(255,255,255,.7);}

/* ---------- article hero ---------- */
.article-hero{
  padding:46px 0 64px;
  background:linear-gradient(180deg,var(--surface-soft) 0%,#ffffff 100%);
  border-bottom:1px solid var(--border);
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13.5px;color:var(--muted);margin-bottom:26px;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--mint-deep);}
.crumbs span.dot{color:#c9c3b2;}
.crumbs .here{color:var(--ink);font-weight:600;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:18px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(24,192,143,.12);color:var(--mint-deep);border:1px solid rgba(24,192,143,.28);
}
.tag--tea{background:rgba(138,90,43,.1);color:var(--tea);border-color:var(--tea-light);}
.article-hero h1{
  font-size:clamp(25px,3.4vw,40px);
  line-height:1.3;letter-spacing:-.01em;margin-bottom:18px;color:var(--ink);
}
.hero-desc{color:var(--muted);font-size:16px;margin-bottom:24px;max-width:640px;}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:var(--muted);}
.meta-row i{font-style:normal;color:var(--mint-deep);font-weight:700;margin-right:5px;}
.hero-cover{
  border-radius:var(--radius-xl);overflow:hidden;
  box-shadow:var(--shadow-md);border:1px solid var(--border);
  aspect-ratio:4/3;background:var(--surface-alt);
}
.hero-cover img{width:100%;height:100%;object-fit:cover;}

/* ---------- article body ---------- */
.article-body{
  max-width:820px;margin:0 auto;
  font-size:16.5px;line-height:1.95;color:#26332c;
}
.article-body > * + *{margin-top:20px;}
.article-body h2{
  font-size:clamp(20px,2.2vw,25px);line-height:1.45;color:var(--ink);
  margin-top:44px;padding-left:16px;border-left:5px solid var(--mint);border-radius:2px;
}
.article-body h3{
  font-size:18.5px;line-height:1.5;color:var(--ink);margin-top:34px;
}
.article-body h4{font-size:16.5px;color:var(--tea);margin-top:26px;}
.article-body p{color:#33403a;}
.article-body ul,.article-body ol{padding-left:24px;}
.article-body li{margin:8px 0;}
.article-body li::marker{color:var(--mint-deep);}
.article-body a{color:var(--mint-deep);border-bottom:1px solid rgba(11,143,106,.35);}
.article-body a:hover{color:var(--tea);border-bottom-color:var(--tea);}
.article-body strong{color:var(--ink);}
.article-body img{border-radius:var(--radius-lg);margin:26px auto;box-shadow:var(--shadow-sm);}
.article-body blockquote{
  margin:28px 0;padding:22px 26px;
  background:var(--surface-soft);border-left:4px solid var(--tea);
  border-radius:0 var(--radius-md) var(--radius-md) 0;color:var(--muted);
}
.article-body blockquote p{color:var(--muted);}
.article-body hr{border:0;border-top:1px dashed var(--border);margin:36px 0;}
.article-body table{width:100%;border-collapse:collapse;font-size:14.5px;margin:26px 0;}
.article-body th,.article-body td{border:1px solid var(--border);padding:11px 14px;text-align:left;}
.article-body th{background:var(--surface-alt);color:var(--ink);font-weight:700;}
.article-empty{
  max-width:640px;margin:0 auto;text-align:center;
  background:var(--surface-soft);border:1px dashed var(--border);
  border-radius:var(--radius-xl);padding:56px 32px;
}
.article-empty h2{font-size:23px;margin-bottom:12px;color:var(--ink);}
.article-empty p{color:var(--muted);margin-bottom:26px;}

/* ---------- cards ---------- */
.grid{display:grid;gap:24px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:28px;
  transition:.26s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--tea-light);}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:var(--surface-alt);color:var(--tea);font-weight:800;font-size:17px;
  margin-bottom:18px;
}
.card h3{font-size:18px;margin-bottom:10px;color:var(--ink);}
.card p{font-size:14.5px;color:var(--muted);}

/* ---------- text + image split ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.split-media{border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--border);}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:5/4;}
.split h2{font-size:clamp(23px,2.6vw,32px);margin-bottom:16px;line-height:1.35;color:var(--ink);}
.split p{color:var(--muted);margin-bottom:16px;}
.check-list{list-style:none;padding:0;margin:22px 0 0;}
.check-list li{
  position:relative;padding-left:30px;margin:12px 0;
  font-size:15px;color:#33403a;
}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:1px;
  width:20px;height:20px;border-radius:50%;
  background:rgba(24,192,143,.15);color:var(--mint-deep);
  font-size:12px;display:grid;place-items:center;font-weight:800;
}

/* ---------- info rows ---------- */
.info-row{
  display:flex;gap:18px;align-items:flex-start;
  padding:20px 0;border-bottom:1px dashed var(--border);
}
.info-row:last-child{border-bottom:0;}
.info-num{
  flex:0 0 40px;height:40px;border-radius:12px;
  background:var(--ink);color:var(--mint);
  display:grid;place-items:center;font-weight:800;font-size:15px;
}
.info-row h4{font-size:16px;margin-bottom:5px;color:var(--ink);}
.info-row p{font-size:14.5px;color:var(--muted);}

/* ---------- related posts ---------- */
.post-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:26px;height:100%;
  transition:.26s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--mint);}
.post-card h3{font-size:17px;line-height:1.5;margin-bottom:10px;color:var(--ink);}
.post-card p{font-size:14px;color:var(--muted);margin-bottom:16px;}
.post-card .post-more{font-size:13.5px;font-weight:700;color:var(--mint-deep);margin-top:auto;}
.post-card:hover .post-more{color:var(--tea);}

/* ---------- faq ---------- */
.faq-list{max-width:840px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-md);margin-bottom:14px;overflow:hidden;
  transition:.24s ease;
}
.faq-item[open]{border-color:var(--mint);box-shadow:var(--shadow-sm);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  font-size:16px;font-weight:600;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:20px;color:var(--mint-deep);font-weight:700;line-height:1;
  transition:.24s ease;
}
.faq-item[open] summary::after{content:"–";color:var(--tea);}
.faq-item summary:hover{background:var(--surface-soft);}
.faq-body{padding:0 24px 22px;color:var(--muted);font-size:15px;}

/* ---------- cta ---------- */
.cta-band{
  background:
    linear-gradient(115deg,rgba(9,20,15,.95),rgba(16,40,30,.86)),
    url('/assets/images/02e2ce2312f99395.webp') center/cover no-repeat;
  color:#fff;border-radius:var(--radius-xl);
  padding:56px 48px;
  display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;
  box-shadow:var(--shadow-lg);
}
.cta-band h2{font-size:clamp(22px,2.6vw,31px);margin-bottom:14px;line-height:1.35;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.cta-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.55);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:64px 0 28px;margin-top:0;}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand strong{display:block;color:#fff;font-size:17px;margin-bottom:12px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:420px;}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:14px;letter-spacing:.04em;}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.62);padding:5px 0;transition:.2s ease;}
.footer-col a:hover{color:var(--mint);transform:translateX(3px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{gap:32px;}
  .section{padding:66px 0;}
  .split{gap:34px;}
  .cta-band{grid-template-columns:1fr;padding:44px 32px;}
  .cta-actions{justify-content:flex-start;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .main-nav{
    display:none;position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(13,26,21,.98);padding:16px 20px 22px;
    border-bottom:1px solid rgba(255,255,255,.1);
  }
  .main-nav.open{display:flex;}
  .nav-link{padding:12px 16px;border-radius:12px;}
  .header-cta{display:none;}
  .nav-toggle{display:block;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-cover{order:-1;aspect-ratio:16/10;}
  .article-hero{padding:30px 0 44px;}
  .split{grid-template-columns:1fr;}
  .grid-2,.grid-3{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .section{padding:54px 0;}
  .article-body{font-size:16px;line-height:1.9;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .brand-text small{display:none;}
  .btn{width:100%;padding:13px 20px;}
  .hero-actions,.cta-actions{flex-direction:column;width:100%;}
  .cta-band{padding:34px 22px;}
  .card{padding:22px;}
  .article-body h2{margin-top:34px;}
  .meta-row{font-size:13px;gap:8px 16px;}
}

/* roulang page: category1 */
:root{
  --ink:#0d1a15;
  --ink-2:#16281f;
  --surface:#ffffff;
  --surface-alt:#f4f1e9;
  --surface-soft:#faf8f3;
  --tea:#8a5a2b;
  --tea-light:#e8d5bd;
  --mint:#18c08f;
  --mint-deep:#0b8f6a;
  --text:#1c2722;
  --muted:#5f7169;
  --border:#e4e0d4;
  --radius-xl:26px;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-sm:0 2px 10px rgba(13,26,21,.06);
  --shadow-md:0 16px 38px rgba(13,26,21,.12);
  --shadow-lg:0 26px 60px rgba(13,26,21,.18);
  --max:1180px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.75;
  color:var(--text);background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,textarea,select{font-family:inherit;font-size:15px;}
::selection{background:var(--mint);color:#04231a;}
:focus-visible{outline:3px solid rgba(24,192,143,.65);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(13,26,21,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px;position:relative;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--mint),var(--mint-deep));
  color:#04231a;font-weight:800;font-size:18px;
  box-shadow:0 8px 20px rgba(24,192,143,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{color:#fff;font-size:16px;letter-spacing:.02em;}
.brand-text small{color:rgba(255,255,255,.58);font-size:11.5px;letter-spacing:.08em;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:12px;}
.nav-link{
  padding:9px 16px;border-radius:999px;font-size:14.5px;
  color:rgba(255,255,255,.72);transition:.22s ease;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09);}
.nav-link.active{color:#04231a;background:var(--mint);font-weight:600;}
.header-cta{
  margin-left:auto;padding:10px 20px;border-radius:999px;
  background:rgba(255,255,255,.1);color:#fff;font-size:14px;font-weight:600;
  border:1px solid rgba(255,255,255,.18);transition:.22s ease;white-space:nowrap;
}
.header-cta:hover{background:var(--mint);color:#04231a;border-color:var(--mint);}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:20px;line-height:1;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:.24s ease;text-align:center;
}
.btn-primary{background:var(--mint);color:#04231a;box-shadow:0 12px 28px rgba(24,192,143,.3);}
.btn-primary:hover{background:#22d69e;transform:translateY(-2px);box-shadow:0 18px 34px rgba(24,192,143,.4);}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.3);}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--border);}
.btn-outline:hover{border-color:var(--tea);color:var(--tea);background:var(--surface-soft);}
.btn:active{transform:translateY(0) scale(.99);}

/* ---------- hero（分类页专属版式） ---------- */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:72px 0 0;
  background:
    linear-gradient(160deg,rgba(9,20,15,.95) 0%,rgba(12,26,20,.86) 48%,rgba(22,42,32,.62) 100%),
    url('/assets/images/3175862d1534129a.webp') center/cover no-repeat;
}
.cat-hero::before{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(24,192,143,.28),transparent 68%);
  pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);margin-bottom:26px;
}
.breadcrumb a:hover{color:var(--mint);}
.breadcrumb span{color:rgba(255,255,255,.32);}
.cat-hero h1{
  font-size:clamp(32px,4.6vw,56px);line-height:1.16;letter-spacing:-.02em;
  margin-bottom:20px;max-width:760px;
}
.cat-hero h1 em{font-style:normal;color:var(--mint);}
.cat-hero-lead{max-width:680px;font-size:clamp(15px,1.5vw,17px);color:rgba(255,255,255,.82);margin-bottom:34px;}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:16px;}
.cat-hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:56px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 15px;border-radius:999px;font-size:13.5px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
  color:rgba(255,255,255,.85);
}
.pill i{width:7px;height:7px;border-radius:50%;background:var(--mint);display:block;flex:0 0 auto;}
.hero-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid rgba(255,255,255,.14);}
.hero-fact{
  padding:26px 24px 30px;border-right:1px solid rgba(255,255,255,.1);
  transition:.26s ease;
}
.hero-fact:last-child{border-right:0;}
.hero-fact:hover{background:rgba(255,255,255,.05);}
.hero-fact b{display:block;font-size:19px;color:#fff;margin-bottom:6px;}
.hero-fact span{font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.65;display:block;}

/* ---------- section ---------- */
.section{padding:84px 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--surface-alt);}
.section--soft{background:var(--surface-soft);}
.section--dark{background:var(--ink);color:#fff;}
.section--dark .section-sub{color:rgba(255,255,255,.68);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:.18em;
  color:var(--mint-deep);font-weight:700;margin-bottom:12px;
}
.section--dark .section-eyebrow{color:var(--mint);}
.section-title{font-size:clamp(23px,2.7vw,33px);margin-bottom:14px;}
.section-sub{color:var(--muted);font-size:15.5px;}

/* ---------- grid & card ---------- */
.grid{display:grid;gap:24px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:28px;transition:.26s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--tea-light);}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:var(--surface-alt);color:var(--tea);font-weight:800;font-size:17px;
  margin-bottom:18px;
}
.card h3{font-size:18px;margin-bottom:10px;}
.card p{font-size:14.5px;color:var(--muted);}
.card-tag{
  display:inline-block;font-size:12px;letter-spacing:.08em;font-weight:700;
  color:var(--mint-deep);background:rgba(24,192,143,.12);
  border-radius:999px;padding:4px 12px;margin-bottom:14px;
}
.card-list{margin-top:16px;display:flex;flex-direction:column;gap:8px;}
.card-list li{
  font-size:13.8px;color:var(--muted);padding-left:18px;position:relative;
}
.card-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;
  border-radius:2px;background:var(--mint);transform:rotate(45deg);
}
.card--photo{padding:0;overflow:hidden;display:flex;flex-direction:column;}
.card--photo .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.card--photo .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.card--photo:hover .thumb img{transform:scale(1.06);}
.card--photo .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(13,26,21,.42),transparent 62%);
}
.card--photo .body{padding:24px 26px 28px;}

/* ---------- schedule ---------- */
.schedule{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-sm);
}
.schedule-row{
  display:grid;grid-template-columns:88px 1fr 190px 140px;
  gap:20px;align-items:center;
  padding:22px 28px;border-bottom:1px solid var(--border);
  transition:.22s ease;
}
.schedule-row:last-child{border-bottom:0;}
.schedule-row:hover{background:var(--surface-soft);}
.schedule-day{
  font-size:12.5px;font-weight:700;letter-spacing:.1em;
  color:var(--mint-deep);
}
.schedule-name{font-size:16px;font-weight:600;}
.schedule-name small{display:block;font-size:13px;color:var(--muted);font-weight:400;margin-top:2px;}
.schedule-time{font-size:14px;color:var(--text);font-variant-numeric:tabular-nums;}
.schedule-level{
  justify-self:start;font-size:12.5px;padding:5px 13px;border-radius:999px;
  background:var(--surface-alt);color:var(--tea);border:1px solid var(--tea-light);
  white-space:nowrap;
}

/* ---------- tea block ---------- */
.tea-block{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.tea-copy h2{font-size:clamp(24px,2.8vw,34px);margin-bottom:18px;}
.tea-copy p{color:var(--muted);font-size:15.5px;margin-bottom:16px;}
.tea-points{display:grid;gap:14px;margin:26px 0 30px;}
.tea-points li{
  display:flex;gap:14px;align-items:flex-start;font-size:14.8px;color:var(--text);
}
.tea-points b{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;
  background:var(--ink);color:var(--mint);display:grid;place-items:center;
  font-size:12.5px;font-weight:700;margin-top:2px;
}
.tea-visual{position:relative;border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-lg);}
.tea-visual img{width:100%;aspect-ratio:4/4.4;object-fit:cover;}
.tea-visual figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 24px 22px;
  background:linear-gradient(to top,rgba(9,20,15,.92),rgba(9,20,15,.05));
  color:#fff;font-size:14px;line-height:1.7;
}
.tea-visual figcaption b{display:block;font-size:16px;margin-bottom:4px;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.step{
  position:relative;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:30px 24px 26px;transition:.26s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.step::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:20px;right:24px;
  font-size:30px;font-weight:800;color:var(--surface-alt);letter-spacing:-.04em;
}
.step h3{font-size:16.5px;margin-bottom:8px;position:relative;z-index:1;}
.step p{font-size:14px;color:var(--muted);position:relative;z-index:1;}

/* ---------- dark data band ---------- */
.lead-band{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;}
.lead-band h2{font-size:clamp(24px,2.8vw,34px);margin-bottom:18px;}
.lead-band p{color:rgba(255,255,255,.72);font-size:15.5px;margin-bottom:14px;}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.stat{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-lg);padding:24px;transition:.26s ease;
}
.stat:hover{background:rgba(24,192,143,.12);border-color:rgba(24,192,143,.45);}
.stat b{display:block;font-size:30px;color:var(--mint);letter-spacing:-.02em;line-height:1.2;}
.stat span{font-size:13.5px;color:rgba(255,255,255,.66);}

/* ---------- checklist ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-md);padding:20px 22px;transition:.22s ease;
}
.check-item:hover{border-color:var(--mint);box-shadow:var(--shadow-sm);}
.check-item .dot{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:rgba(24,192,143,.14);color:var(--mint-deep);
  display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:2px;
}
.check-item b{display:block;font-size:15px;margin-bottom:3px;}
.check-item span{font-size:13.8px;color:var(--muted);line-height:1.65;}

/* ---------- faq ---------- */
.faq{display:grid;gap:14px;max-width:880px;}
.faq details{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:4px 26px;transition:.22s ease;
}
.faq details[open]{border-color:var(--tea-light);box-shadow:var(--shadow-sm);}
.faq summary{
  list-style:none;cursor:pointer;padding:20px 34px 20px 0;position:relative;
  font-size:16px;font-weight:600;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--mint-deep);transition:.24s ease;
}
.faq details[open] summary::after{content:"–";}
.faq .answer{padding:0 0 22px;font-size:14.8px;color:var(--muted);line-height:1.85;}

/* ---------- contact ---------- */
.contact-wrap{
  display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:start;
}
.contact-copy h2{font-size:clamp(24px,2.8vw,34px);margin-bottom:18px;}
.contact-copy p{color:rgba(255,255,255,.72);font-size:15.5px;margin-bottom:14px;}
.contact-lines{display:grid;gap:16px;margin-top:28px;}
.contact-line{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 20px;border-radius:var(--radius-md);
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.1);
}
.contact-line b{display:block;font-size:14.5px;color:#fff;margin-bottom:2px;}
.contact-line span{font-size:13.5px;color:rgba(255,255,255,.62);}
.contact-line .k{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;
  background:rgba(24,192,143,.18);color:var(--mint);
  display:grid;place-items:center;font-size:13px;font-weight:700;
}
.contact-form{
  background:#fff;border-radius:var(--radius-xl);padding:34px;
  box-shadow:var(--shadow-lg);color:var(--text);
}
.contact-form h3{font-size:19px;margin-bottom:6px;}
.contact-form .hint{font-size:13.5px;color:var(--muted);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 15px;border-radius:var(--radius-md);
  border:1px solid var(--border);background:var(--surface-soft);
  color:var(--text);transition:.22s ease;font-size:14.5px;
}
.field input::placeholder,.field textarea::placeholder{color:#9aa8a1;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--mint);background:#fff;
  box-shadow:0 0 0 4px rgba(24,192,143,.14);
}
.field textarea{resize:vertical;min-height:104px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.contact-form .btn{width:100%;margin-top:6px;}
.form-note{font-size:12.5px;color:var(--muted);margin-top:14px;text-align:center;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-2);color:rgba(255,255,255,.66);padding:64px 0 26px;}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:44px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand strong{display:block;color:#fff;font-size:17px;margin-bottom:12px;}
.footer-brand p{font-size:14px;line-height:1.85;max-width:420px;}
.footer-col h4{color:#fff;font-size:14.5px;letter-spacing:.06em;margin-bottom:16px;}
.footer-col a{
  display:block;font-size:14px;padding:6px 0;color:rgba(255,255,255,.66);
  transition:.2s ease;
}
.footer-col a:hover{color:var(--mint);transform:translateX(3px);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.44);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .tea-block,.lead-band,.contact-wrap{grid-template-columns:1fr;gap:38px;}
  .tea-visual img{aspect-ratio:16/10;}
  .hero-facts{grid-template-columns:1fr;}
  .hero-fact{border-right:0;border-bottom:1px solid rgba(255,255,255,.1);}
  .hero-fact:last-child{border-bottom:0;}
  .schedule-row{grid-template-columns:78px 1fr 150px;gap:14px;}
  .schedule-level{display:none;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:860px){
  .nav-toggle{display:block;}
  .header-cta{display:none;}
  .main-nav{
    position:absolute;top:calc(100% + 12px);right:0;left:0;
    flex-direction:column;align-items:stretch;gap:6px;margin:0;
    background:rgba(13,26,21,.98);border:1px solid rgba(255,255,255,.12);
    border-radius:var(--radius-lg);padding:14px;
    box-shadow:var(--shadow-lg);
    display:none;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:12px 16px;border-radius:10px;font-size:15px;}
  .section{padding:60px 0;}
  .section--tight{padding:52px 0;}
  .cat-hero{padding-top:52px;}
  .cat-hero-meta{margin-bottom:40px;}
}
@media (max-width:768px){
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .schedule-row{grid-template-columns:1fr;gap:6px;padding:20px 22px;}
  .schedule-day{font-size:12px;}
  .schedule-level{justify-self:start;display:inline-block;margin-top:8px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .header-inner{min-height:64px;gap:12px;}
  .brand-text small{display:none;}
  .card{padding:22px;}
  .contact-form{padding:24px;}
  .form-row{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .cat-hero h1{font-size:28px;}
  .cat-hero-actions .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .faq details{padding:2px 18px;}
  .faq summary{font-size:15px;padding-right:28px;}
}