/* roulang page: index */
:root{
  --bg:#F7F4EE;
  --bg-soft:#F0ECE3;
  --surface:#FFFFFF;
  --ink:#14181A;
  --ink-2:#5B6360;
  --ink-3:#8A928E;
  --brand:#0E3B33;
  --brand-deep:#0A2C26;
  --accent:#C8F169;
  --warm:#E2703A;
  --line:#E4DFD5;
  --r-card:18px;
  --r-btn:999px;
  --r-input:12px;
  --r-chip:999px;
  --sh-1:0 1px 2px rgba(20,24,26,.04), 0 8px 24px -12px rgba(14,59,51,.12);
  --sh-2:0 18px 40px -20px rgba(14,59,51,.18);
  --t:200ms cubic-bezier(.2,.7,.2,1);
  --t-slow:320ms cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:"Noto Serif SC","Songti SC",Georgia,serif;margin:0;font-weight:700;color:var(--ink)}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
[hidden]{display:none !important}
::selection{background:var(--accent);color:var(--brand-deep)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--brand);background:rgba(200,241,105,.28);
  border:1px solid rgba(14,59,51,.12);
  padding:6px 14px;border-radius:var(--r-chip);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--warm)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  padding:12px 26px;font-size:15px;font-weight:600;line-height:1.2;
  cursor:pointer;transition:all var(--t);white-space:nowrap;
  font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:var(--brand);color:#F7F4EE;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brand-deep);box-shadow:var(--sh-2);transform:translateY(-1px)}
.btn-primary .arrow{transition:transform var(--t)}
.btn-primary:hover .arrow{transform:translateX(4px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--brand);border-color:rgba(14,59,51,.28)}
.btn-ghost:hover{background:rgba(14,59,51,.08);border-color:rgba(14,59,51,.5)}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-block{width:100%}
.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);
  font-weight:600;font-size:15px;transition:gap var(--t),color var(--t);
}
.text-link:hover{gap:12px;color:var(--brand-deep)}
.text-link:hover .arrow{transform:translateX(4px)}
.arrow{transition:transform var(--t)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,0);
  border-bottom:1px solid transparent;
  transition:background var(--t-slow),border-color var(--t-slow),backdrop-filter var(--t-slow);
}
.site-header.is-scrolled{
  background:rgba(247,244,238,.92);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:20px;
  height:78px;transition:height var(--t-slow);
}
.site-header.is-scrolled .header-inner{height:66px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{display:flex;align-items:center;justify-content:center;transition:transform var(--t)}
.brand:hover .brand-mark{transform:rotate(-6deg)}
.brand-text{display:flex;flex-direction:column;line-height:1.1;letter-spacing:-.01em}
.brand-line1{font-family:"Noto Serif SC","Songti SC",serif;font-size:17px;font-weight:700;color:var(--brand)}
.brand-line2{font-size:10px;letter-spacing:.14em;color:var(--ink-3);margin-top:3px}
.main-nav{display:none;align-items:center;gap:4px;margin-left:12px}
.nav-link{
  position:relative;padding:9px 14px;font-size:15px;color:var(--ink-2);
  border-radius:10px;transition:color var(--t),background var(--t);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.search-box{
  display:none;align-items:center;gap:8px;width:220px;
  padding:8px 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:rgba(255,255,255,.7);transition:width var(--t-slow),border-color var(--t),box-shadow var(--t);
}
.search-box:focus-within{width:320px;border-color:var(--brand);box-shadow:0 0 0 4px rgba(200,241,105,.35)}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:14px}
.search-box input::placeholder{color:var(--ink-3)}
.search-box svg{flex-shrink:0;color:var(--ink-3)}
.menu-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.7);cursor:pointer;transition:all var(--t);
}
.menu-toggle:hover{border-color:var(--brand);background:#fff}
.menu-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media(min-width:1024px){
  .main-nav{display:flex}
  .search-box{display:flex}
  .menu-toggle{display:none}
}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(14,59,51,.5);
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
  opacity:0;pointer-events:none;transition:opacity var(--t-slow);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;z-index:90;height:100%;width:min(86vw,360px);
  background:var(--surface);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform var(--t-slow);
  display:flex;flex-direction:column;gap:22px;padding:24px 22px 32px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-title{font-size:15px;font-weight:700;color:var(--brand);letter-spacing:-.01em}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;font-size:20px;line-height:1;color:var(--ink-2);
  transition:all var(--t);
}
.drawer-close:hover{border-color:var(--brand);color:var(--brand)}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-nav a{
  padding:13px 12px;border-radius:12px;font-size:16px;color:var(--ink-2);
  border-bottom:1px solid var(--line);transition:all var(--t);
}
.drawer-nav a:last-child{border-bottom:0}
.drawer-nav a:hover{color:var(--brand);background:rgba(200,241,105,.22);padding-left:18px}
.drawer-nav a.is-active{color:var(--brand);font-weight:600}
.drawer-search{
  display:flex;align-items:center;gap:8px;padding:10px 14px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:var(--bg);
}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px}
.drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:auto}

/* ---------- hero ---------- */
.hero{padding:44px 0 56px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr;gap:38px;align-items:center}
.hero h1{
  font-size:clamp(30px,4.6vw,54px);line-height:1.16;letter-spacing:-.02em;
  margin:20px 0 0;
}
.hero h1 em{font-style:normal;position:relative;white-space:nowrap}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:.06em;height:.32em;
  background:var(--accent);z-index:-1;border-radius:3px;
}
.hero-sub{margin-top:18px;font-size:clamp(16px,1.6vw,19px);color:var(--ink-2);max-width:34ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-points{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;
  margin-top:28px;font-size:14px;color:var(--ink-2);
}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(200,241,105,.25)}
.hero-media{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(247,244,238,.92) 0%,rgba(247,244,238,.28) 34%,rgba(247,244,238,0) 62%);
  pointer-events:none;
}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-stamp{
  position:absolute;right:18px;bottom:18px;z-index:2;
  background:rgba(255,255,255,.92);border:1px solid var(--line);
  border-radius:14px;padding:10px 16px;font-size:12px;letter-spacing:.06em;
  color:var(--brand);font-weight:600;backdrop-filter:blur(6px);
}
@media(min-width:1024px){
  .hero{padding:60px 0 78px}
  .hero-grid{grid-template-columns:7fr 5fr;gap:52px}
}

/* ---------- section base ---------- */
.section{padding:52px 0}
@media(min-width:1024px){.section{padding:72px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:30px}
.section-head h2{font-size:clamp(23px,3vw,36px);line-height:1.25;letter-spacing:-.01em}
.section-head .lead{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:56ch}
.section-label{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-bottom:10px;display:block}

/* ---------- pain strip ---------- */
.pain{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.pain-grid{display:grid;grid-template-columns:1fr;gap:0}
.pain-item{
  display:flex;gap:16px;padding:24px 0;border-bottom:1px solid rgba(14,59,51,.09);
}
.pain-item:last-child{border-bottom:0}
.pain-num{
  font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.06em;
  padding-top:4px;font-variant-numeric:tabular-nums;
}
.pain-text{position:relative;padding-left:16px;font-size:16px;color:var(--ink);line-height:1.7}
.pain-text::before{content:"";position:absolute;left:0;top:.35em;bottom:.35em;width:3px;background:var(--accent);border-radius:2px}
@media(min-width:1024px){
  .pain-grid{grid-template-columns:1fr 1fr;column-gap:56px}
  .pain-item{padding:26px 0}
  .pain-item:nth-last-child(-n+2){border-bottom:0}
}

/* ---------- cards ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform var(--t-slow),box-shadow var(--t-slow);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.feature-main{
  display:grid;grid-template-columns:1fr;gap:0;overflow:hidden;margin-bottom:20px;
}
.feature-main .feature-body{padding:28px 26px}
.feature-main .feature-media{overflow:hidden}
.feature-main .feature-media img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--t-slow)}
.feature-main:hover .feature-media img{transform:scale(1.03)}
.feature-main h3{font-size:clamp(20px,2.2vw,27px);line-height:1.35;margin-bottom:12px}
.feature-main p{color:var(--ink-2);font-size:15.5px}
@media(min-width:900px){
  .feature-main{grid-template-columns:1fr 1fr;align-items:stretch}
  .feature-main .feature-body{padding:36px 34px;order:1}
  .feature-main .feature-media{order:2}
}
.feature-pair{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.feature-pair{grid-template-columns:1fr 1fr}}
.feature-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.feature-card .thumb{overflow:hidden;border-bottom:1px solid var(--line)}
.feature-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--t-slow)}
.feature-card:hover .thumb img{transform:scale(1.03)}
.feature-card .body{padding:26px 24px 28px;display:flex;flex-direction:column;gap:10px;flex:1}
.feature-card h3{font-size:20px;line-height:1.4}
.feature-card p{color:var(--ink-2);font-size:15px;flex:1}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  border:1px solid rgba(14,59,51,.22);border-radius:var(--r-chip);
  padding:9px 18px;font-size:14px;color:var(--brand);background:rgba(255,255,255,.6);
  transition:all var(--t);
}
.chip:hover{background:rgba(200,241,105,.32);border-color:rgba(14,59,51,.45);transform:translateY(-2px)}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.tag{
  display:inline-flex;align-items:center;font-size:12px;letter-spacing:.06em;
  padding:4px 12px;border-radius:var(--r-chip);
  background:rgba(200,241,105,.32);color:var(--brand);font-weight:600;
}

/* ---------- stats ---------- */
.stats{
  background:var(--brand);color:#EFEADF;position:relative;overflow:hidden;
  padding:56px 0;
}
.stats::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:340px;height:340px;
  background-image:linear-gradient(rgba(247,244,238,.14) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(247,244,238,.14) 1px,transparent 1px);
  background-size:26px 26px;opacity:.6;pointer-events:none;
}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px 20px;position:relative;z-index:1}
@media(min-width:900px){.stats-grid{grid-template-columns:repeat(4,1fr);gap:24px}}
.stat-num{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:clamp(30px,4vw,50px);line-height:1.05;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.stat-num small{font-size:.42em;color:rgba(239,234,223,.75);margin-left:4px;letter-spacing:.04em}
.stat-label{margin-top:10px;font-size:14px;color:rgba(239,234,223,.82);line-height:1.6}
.stats h2{color:#F7F4EE;font-size:clamp(22px,2.6vw,32px);margin-bottom:34px;max-width:24ch}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{display:flex;flex-direction:column;overflow:hidden}
.news-thumb{display:block;overflow:hidden;border-bottom:1px solid var(--line)}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--t-slow)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--ink-3)}
.news-title{
  font-family:"Noto Serif SC","Songti SC",serif;font-size:18px;font-weight:700;line-height:1.5;
  color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--brand)}
.news-summary{
  font-size:14px;color:var(--ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1;
}
.empty-state{
  border:1.5px dashed var(--line);border-radius:var(--r-card);
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;color:var(--ink-3);font-size:15px;background:rgba(255,255,255,.45);
}

/* ---------- form ---------- */
.form-section{padding:52px 0}
@media(min-width:1024px){.form-section{padding:76px 0}}
.form-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:24px;
  box-shadow:var(--sh-1);overflow:hidden;
  display:grid;grid-template-columns:1fr;
}
.form-aside{background:var(--bg-soft);padding:32px 26px;border-bottom:1px solid var(--line)}
.form-aside h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;margin-bottom:14px}
.form-aside p{color:var(--ink-2);font-size:15px}
.aside-list{margin-top:24px;display:flex;flex-direction:column;gap:14px}
.aside-list li{display:flex;gap:12px;font-size:15px;color:var(--ink-2);line-height:1.7}
.aside-list li span.dot{
  flex-shrink:0;width:22px;height:22px;border-radius:8px;margin-top:4px;
  background:rgba(200,241,105,.5);display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;
}
.form-body{padding:32px 26px 34px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:8px;font-weight:600}
.field input[type=text],.field input[type=tel],.field input[type=email],.field select,.field textarea{
  width:100%;padding:12px 15px;border:1px solid var(--line);border-radius:var(--r-input);
  background:var(--bg);outline:none;transition:border-color var(--t),box-shadow var(--t),background var(--t);
  font-size:15px;
}
.field textarea{min-height:112px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(200,241,105,.38);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-3) 50%),linear-gradient(135deg,var(--ink-3) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);line-height:1.7;margin:22px 0 18px}
.check-row input{margin-top:5px;width:16px;height:16px;accent-color:var(--brand);flex-shrink:0}
.privacy-note{
  display:flex;align-items:flex-start;gap:8px;margin-top:14px;
  font-size:12.5px;color:var(--ink-3);line-height:1.7;
}
.privacy-note svg{flex-shrink:0;margin-top:3px;color:var(--brand)}
@media(min-width:900px){
  .form-wrap{grid-template-columns:5fr 7fr}
  .form-aside{padding:44px 38px;border-bottom:0;border-right:1px solid var(--line)}
  .form-body{padding:44px 40px 46px}
}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item:first-of-type{border-top:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 48px 22px 18px;
  font-size:17px;font-weight:600;color:var(--ink);position:relative;
  transition:color var(--t),padding-left var(--t);
  font-family:"Noto Serif SC","Songti SC",serif;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;
  background:var(--accent);border-radius:2px;transform:scaleY(0);transform-origin:top;
  transition:transform var(--t-slow);
}
.faq-item[open] summary::before{transform:scaleY(1)}
.faq-item summary:hover{color:var(--brand);padding-left:24px}
.faq-item summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:8px}
.faq-item summary .plus{
  position:absolute;right:12px;top:50%;width:18px;height:18px;margin-top:-9px;
  transition:transform var(--t-slow);
}
.faq-item summary .plus::before,.faq-item summary .plus::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
}
.faq-item summary .plus::before{left:0;right:0;top:8px;height:2px}
.faq-item summary .plus::after{top:0;bottom:0;left:8px;width:2px;transition:opacity var(--t)}
.faq-item[open] summary .plus{transform:rotate(45deg)}
.faq-answer{
  padding:0 20px 24px 18px;color:var(--ink-2);font-size:15.5px;line-height:1.85;
  animation:fadeIn .32s cubic-bezier(.2,.7,.2,1) both;
}
@keyframes fadeIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:52px 0;
}
.cta-inner{display:flex;flex-direction:column;gap:24px;align-items:flex-start}
.cta-inner h2{font-size:clamp(23px,3vw,34px);line-height:1.3;max-width:22ch}
.cta-inner p{color:var(--ink-2);font-size:15.5px;margin-top:12px;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media(min-width:900px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between}
  .cta-copy{max-width:56%}
}

/* ---------- footer ---------- */
.site-footer{background:var(--brand);color:rgba(239,234,223,.86);padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:28px}}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-line1{color:#F7F4EE}
.footer-brand .brand-line2{color:rgba(239,234,223,.6)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(239,234,223,.72);max-width:34ch}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:36px;height:36px;border-radius:11px;border:1px solid rgba(239,234,223,.24);
  display:flex;align-items:center;justify-content:center;transition:all var(--t);
}
.footer-social a:hover{background:var(--accent);border-color:var(--accent);color:var(--brand);transform:translateY(-2px)}
.footer-title{font-size:13px;letter-spacing:.1em;color:rgba(239,234,223,.6);margin-bottom:16px;text-transform:uppercase}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a,.footer-links span{font-size:14.5px;color:rgba(239,234,223,.86);transition:color var(--t),padding-left var(--t)}
.footer-links a{position:relative}
.footer-links a:hover{color:var(--accent);padding-left:6px}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(239,234,223,.18);
  display:flex;flex-direction:column;gap:10px;font-size:12.5px;color:rgba(239,234,223,.6);
}
.footer-bottom .privacy-line{display:flex;align-items:flex-start;gap:7px;line-height:1.7}
@media(min-width:768px){
  .footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;gap:24px}
}

/* ---------- modal ---------- */
.modal-mask{
  position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;
  padding:20px;background:rgba(14,59,51,.55);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  opacity:0;pointer-events:none;transition:opacity var(--t-slow);
}
.modal-mask.is-open{opacity:1;pointer-events:auto}
.modal-card{
  position:relative;width:100%;max-width:560px;max-height:90vh;overflow-y:auto;
  background:var(--surface);border-radius:20px;padding:34px 28px 30px;
  box-shadow:0 30px 70px -30px rgba(14,59,51,.5);
  transform:translateY(14px) scale(.98);transition:transform var(--t-slow);
}
.modal-mask.is-open .modal-card{transform:none}
.modal-card h3{font-size:22px;margin-bottom:10px}
.modal-card .modal-sub{font-size:14.5px;color:var(--ink-2);margin-bottom:22px}
.modal-close{
  position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:11px;
  border:1px solid var(--line);background:var(--bg);cursor:pointer;font-size:19px;
  line-height:1;color:var(--ink-2);transition:all var(--t);
}
.modal-close:hover{border-color:var(--brand);color:var(--brand);background:#fff}
.modal-close:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1)}
.reveal.is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
    --bg:#F7F4EE;
    --bg-soft:#F0ECE3;
    --surface:#FFFFFF;
    --ink:#14181A;
    --ink-2:#5B6360;
    --ink-3:#8A928E;
    --brand:#0E3B33;
    --brand-deep:#0A2C26;
    --accent:#C8F169;
    --warm:#E2703A;
    --line:#E4DFD5;
    --r-card:18px;
    --r-btn:999px;
    --r-input:12px;
    --r-chip:999px;
    --shadow-1:0 1px 2px rgba(20,24,26,.04), 0 8px 24px -12px rgba(14,59,51,.12);
    --shadow-2:0 18px 40px -20px rgba(14,59,51,.18);
    --ease:cubic-bezier(.2,.7,.2,1);
    --font-serif:"Noto Serif SC","Songti SC",serif;
    --font-sans:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  button{background:none;border:0;cursor:pointer;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:768px){.container{padding:0 32px;}}
  .num{font-variant-numeric:tabular-nums;}

  /* ============ Header ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(247,244,238,0);
    border-bottom:1px solid transparent;
    transition:background 320ms var(--ease), border-color 320ms var(--ease), box-shadow 320ms var(--ease);
  }
  .site-header.is-scrolled{
    background:rgba(247,244,238,.92);
    backdrop-filter:blur(10px);
    border-bottom-color:var(--line);
  }
  .header-inner{
    display:flex;align-items:center;gap:20px;
    height:76px;
    transition:height 320ms var(--ease);
  }
  .site-header.is-scrolled .header-inner{height:66px;}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand-mark{display:inline-flex;}
  .brand-text{display:flex;flex-direction:column;line-height:1.12;}
  .brand-line1{font-family:var(--font-serif);font-weight:700;font-size:17px;letter-spacing:-.02em;color:var(--brand);}
  .brand-line2{font-size:10px;letter-spacing:.14em;color:var(--ink-3);text-transform:uppercase;}
  .main-nav{display:none;align-items:center;gap:4px;margin-left:12px;}
  .nav-link{
    position:relative;display:inline-block;
    padding:8px 12px;font-size:14.5px;color:var(--ink-2);
    border-radius:var(--r-btn);
    transition:color 200ms var(--ease);
  }
  .nav-link::after{
    content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
    background:var(--accent);transform:scaleX(0);transform-origin:left;
    transition:transform 200ms var(--ease);
  }
  .nav-link:hover{color:var(--brand);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.is-active{color:var(--brand);font-weight:600;}
  .nav-link.is-active::after{transform:scaleX(1);}
  .header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
  .search-box{
    display:none;align-items:center;gap:8px;
    height:38px;width:210px;padding:0 14px;
    border:1px solid var(--line);border-radius:var(--r-btn);
    background:rgba(255,255,255,.7);
    color:var(--ink-3);
    transition:width 320ms var(--ease), border-color 200ms var(--ease), box-shadow 200ms var(--ease);
  }
  .search-box:focus-within{width:300px;border-color:var(--brand);box-shadow:0 0 0 4px rgba(200,241,105,.35);color:var(--brand);}
  .search-box input{border:0;background:transparent;outline:none;width:100%;font-size:13.5px;color:var(--ink);}
  .search-box input::placeholder{color:var(--ink-3);}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:6px;
    border-radius:var(--r-btn);font-size:14px;font-weight:600;
    padding:10px 20px;border:1px solid transparent;
    transition:background 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease), box-shadow 200ms var(--ease), transform 200ms var(--ease);
    white-space:nowrap;
  }
  .btn-sm{padding:8px 16px;font-size:13.5px;}
  .btn-solid{background:var(--brand);color:#F7F4EE;}
  .btn-solid:hover{background:var(--brand-deep);box-shadow:var(--shadow-2);}
  .btn-solid:hover .btn-arrow{transform:translateX(4px);}
  .btn-ghost{border-color:var(--line);color:var(--brand);background:transparent;}
  .btn-ghost:hover{background:rgba(14,59,51,.08);border-color:var(--brand);}
  .btn-arrow{transition:transform 200ms var(--ease);}
  .menu-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:40px;height:40px;border:1px solid var(--line);border-radius:12px;color:var(--brand);
  }
  @media (min-width:1024px){
    .main-nav{display:flex;}
    .search-box{display:flex;}
    .menu-toggle{display:none;}
  }
  @media (min-width:1280px){
    .search-box{width:230px;}
  }

  /* ============ Drawer ============ */
  .drawer-mask{
    position:fixed;inset:0;z-index:70;
    background:rgba(14,59,51,.5);backdrop-filter:blur(4px);
    opacity:0;visibility:hidden;transition:opacity 260ms var(--ease), visibility 260ms var(--ease);
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;z-index:80;
    width:min(340px,86vw);background:var(--bg);
    border-left:1px solid var(--line);
    transform:translateX(100%);
    transition:transform 320ms var(--ease);
    padding:22px;overflow-y:auto;
    display:flex;flex-direction:column;gap:20px;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;}
  .drawer-links{display:flex;flex-direction:column;gap:2px;}
  .drawer-links a{
    padding:13px 12px;border-radius:12px;font-size:15px;color:var(--ink-2);
    border-bottom:1px solid var(--line);
    transition:background 200ms var(--ease), color 200ms var(--ease);
  }
  .drawer-links a:hover,.drawer-links a.is-active{background:rgba(200,241,105,.28);color:var(--brand);font-weight:600;}
  .drawer-search{
    display:flex;align-items:center;gap:8px;height:42px;padding:0 14px;
    border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--ink-3);
  }
  .drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--ink);}
  .drawer-actions{display:flex;flex-direction:column;gap:10px;}

  /* ============ Article head ============ */
  .page-top{padding:34px 0 8px;}
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13.5px;color:var(--ink-3);
  }
  .breadcrumb a{color:var(--ink-2);transition:color 200ms var(--ease);}
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb .sep{color:var(--line);}
  .breadcrumb .current{color:var(--ink);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .article-head{padding:24px 0 26px;border-bottom:1px solid var(--line);}
  .article-head h1{
    font-family:var(--font-serif);
    font-size:clamp(28px,4vw,46px);
    line-height:1.2;letter-spacing:-.02em;font-weight:700;
    margin:14px 0 0;color:var(--ink);
    max-width:24ch;
  }
  .meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:18px;font-size:13.5px;color:var(--ink-3);}
  .chip{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 12px;border-radius:var(--r-chip);
    background:rgba(200,241,105,.28);color:var(--brand);
    font-size:12px;font-weight:600;letter-spacing:.04em;
  }
  .chip-outline{
    display:inline-flex;align-items:center;
    padding:5px 13px;border-radius:var(--r-chip);
    border:1px solid var(--line);color:var(--ink-2);font-size:12.5px;
    transition:border-color 200ms var(--ease), color 200ms var(--ease), background 200ms var(--ease);
  }
  .chip-outline:hover{border-color:var(--brand);color:var(--brand);background:rgba(14,59,51,.05);}
  .dot-sep{width:4px;height:4px;border-radius:50%;background:var(--line);}

  /* ============ Layout ============ */
  .article-wrap{padding:44px 0 64px;}
  .article-grid{display:grid;grid-template-columns:1fr;gap:44px;}
  @media (min-width:1024px){
    .article-grid{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:56px;}
  }
  .article-body{font-size:17px;line-height:1.9;color:var(--ink);max-width:68ch;}
  .article-body p{margin:0 0 1.6em;}
  .article-body h2{
    position:relative;font-family:var(--font-serif);
    font-size:clamp(22px,2.6vw,30px);line-height:1.32;font-weight:700;
    margin:2.2em 0 .8em;padding-left:16px;letter-spacing:-.01em;
  }
  .article-body h2::before{
    content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;
    background:var(--accent);border-radius:2px;
  }
  .article-body h3{font-size:19px;font-weight:600;margin:1.8em 0 .6em;line-height:1.5;}
  .article-body h4{font-size:17px;font-weight:600;margin:1.5em 0 .5em;}
  .article-body ul,.article-body ol{margin:0 0 1.6em;padding-left:0;}
  .article-body ul li{position:relative;padding-left:20px;margin-bottom:.55em;}
  .article-body ul li::before{
    content:"";position:absolute;left:2px;top:.75em;width:6px;height:6px;
    background:var(--brand);border-radius:1.5px;
  }
  .article-body ol{counter-reset:li;}
  .article-body ol li{position:relative;padding-left:26px;margin-bottom:.55em;counter-increment:li;}
  .article-body ol li::before{
    content:counter(li);position:absolute;left:0;top:.1em;
    width:18px;height:18px;border-radius:50%;background:rgba(200,241,105,.45);
    color:var(--brand);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;
  }
  .article-body blockquote{
    margin:1.8em 0;padding:18px 22px;background:var(--bg-soft);
    border-left:3px solid var(--accent);border-radius:0 var(--r-card) var(--r-card) 0;
    color:var(--ink-2);font-size:15.5px;
  }
  .article-body blockquote p:last-child{margin-bottom:0;}
  .article-body img{border-radius:16px;margin:1.6em auto;height:auto;}
  .article-body figure{margin:1.8em 0;}
  .article-body figcaption{text-align:center;font-size:13px;color:var(--ink-3);margin-top:10px;}
  .article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(14,59,51,.35);}
  .article-body a:hover{text-decoration-color:var(--brand);}
  .article-body strong{font-weight:600;color:var(--brand);}
  .article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}
  .article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14.5px;}
  .article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
  .article-body th{background:var(--bg-soft);font-weight:600;}

  .empty-state{
    border:1.5px dashed var(--line);border-radius:var(--r-card);
    min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:14px;text-align:center;padding:32px 22px;color:var(--ink-2);
  }
  .empty-state svg{color:var(--ink-3);}
  .empty-state .empty-title{font-size:17px;font-weight:600;color:var(--ink);}

  /* ============ Aside ============ */
  .aside-stack{display:flex;flex-direction:column;gap:22px;}
  .aside-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    padding:24px;box-shadow:var(--shadow-1);
  }
  .aside-title{
    font-size:12px;letter-spacing:.12em;text-transform:uppercase;
    color:var(--ink-3);font-weight:600;margin-bottom:16px;
  }
  .toc-list{display:flex;flex-direction:column;}
  .toc-list a{
    padding:9px 0 9px 14px;border-left:2px solid var(--line);
    font-size:14px;color:var(--ink-2);
    transition:border-color 200ms var(--ease), color 200ms var(--ease), padding-left 200ms var(--ease);
  }
  .toc-list a:hover,.toc-list a.is-active{border-left-color:var(--accent);color:var(--brand);padding-left:18px;font-weight:600;}
  .mini-card{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line);}
  .mini-card:last-child{border-bottom:0;padding-bottom:0;}
  .mini-thumb{
    width:76px;height:52px;flex-shrink:0;border-radius:12px;overflow:hidden;background:var(--bg-soft);
  }
  .mini-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
  .mini-card:hover .mini-thumb img{transform:scale(1.06);}
  .mini-title{font-size:14px;font-weight:600;line-height:1.5;color:var(--ink);}
  .mini-card:hover .mini-title{color:var(--brand);}
  .mini-meta{font-size:12px;color:var(--ink-3);margin-top:4px;}
  @media (min-width:1024px){
    .aside-inner{position:sticky;top:96px;}
  }

  /* ============ Footer blocks ============ */
  .tags-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line);align-items:center;}
  .tags-row .label{font-size:13px;color:var(--ink-3);margin-right:4px;}
  .back-link{
    display:inline-flex;align-items:center;gap:8px;margin-top:28px;
    font-size:14px;font-weight:600;color:var(--brand);
  }
  .back-link:hover .btn-arrow{transform:translateX(4px);}

  .related{padding:64px 0;border-top:1px solid var(--line);background:var(--bg);}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
  .sec-head h2{
    font-family:var(--font-serif);font-size:clamp(22px,3vw,32px);line-height:1.25;
    letter-spacing:-.01em;font-weight:700;
  }
  .sec-head p{font-size:14px;color:var(--ink-2);margin-top:8px;max-width:52ch;}
  .text-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
  .text-link:hover .btn-arrow{transform:translateX(4px);}
  .card-grid{display:grid;grid-template-columns:1fr;gap:24px;}
  @media (min-width:768px){.card-grid{grid-template-columns:repeat(3,1fr);}}
  .post-card{
    display:flex;flex-direction:column;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    overflow:hidden;box-shadow:var(--shadow-1);
    transition:transform 320ms var(--ease), box-shadow 320ms var(--ease);
  }
  .post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
  .post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-soft);}
  .post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
  .post-card:hover .post-thumb img{transform:scale(1.03);}
  .post-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .post-title{font-size:16.5px;font-weight:600;line-height:1.55;color:var(--ink);}
  .post-card:hover .post-title{color:var(--brand);}
  .post-desc{font-size:14px;color:var(--ink-2);line-height:1.7;}
  .post-foot{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);}

  .cta-band{background:var(--brand);color:#EFEAE0;position:relative;overflow:hidden;}
  .cta-band::after{
    content:"";position:absolute;right:-40px;bottom:-40px;width:340px;height:340px;
    background-image:linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
    background-size:28px 28px;
    transform:rotate(8deg);pointer-events:none;
  }
  .cta-inner{position:relative;z-index:2;padding:64px 0;display:grid;grid-template-columns:1fr;gap:28px;align-items:center;}
  @media (min-width:900px){.cta-inner{grid-template-columns:1.2fr .8fr;gap:48px;}}
  .cta-inner h2{font-family:var(--font-serif);font-size:clamp(24px,3.2vw,36px);line-height:1.25;color:#fff;letter-spacing:-.01em;}
  .cta-inner p{margin-top:14px;font-size:15px;color:rgba(239,234,224,.78);max-width:52ch;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
  .btn-accent{background:var(--accent);color:var(--brand);}
  .btn-accent:hover{background:#d7f78a;box-shadow:0 18px 40px -20px rgba(0,0,0,.4);}
  .btn-outline-light{border-color:rgba(255,255,255,.35);color:#EFEAE0;background:transparent;}
  .btn-outline-light:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);}

  /* ============ Footer ============ */
  .site-footer{background:var(--bg);border-top:1px solid var(--line);padding:64px 0 28px;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
  @media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
  .footer-brand{display:flex;align-items:center;gap:10px;}
  .footer-desc{font-size:14px;color:var(--ink-2);line-height:1.8;margin-top:16px;max-width:34ch;}
  .footer-social{display:flex;gap:10px;margin-top:18px;}
  .footer-social a{
    width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line);border-radius:12px;color:var(--ink-2);
    transition:color 200ms var(--ease), border-color 200ms var(--ease), background 200ms var(--ease);
  }
  .footer-social a:hover{color:var(--brand);border-color:var(--brand);background:rgba(200,241,105,.25);}
  .footer-title{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);font-weight:600;margin-bottom:16px;}
  .footer-links{display:flex;flex-direction:column;gap:11px;font-size:14px;color:var(--ink-2);}
  .footer-links a{position:relative;display:inline-block;width:fit-content;transition:color 200ms var(--ease);}
  .footer-links a::after{
    content:"";position:absolute;left:0;bottom:-2px;height:1px;width:100%;
    background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform 200ms var(--ease);
  }
  .footer-links a:hover{color:var(--brand);}
  .footer-links a:hover::after{transform:scaleX(1);}
  .footer-bottom{
    margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
    display:flex;flex-direction:column;gap:10px;
    font-size:12px;color:var(--ink-3);
  }
  @media (min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between;align-items:center;}}

  /* ============ Reveal ============ */
  .reveal{opacity:0;transform:translateY(16px);transition:opacity 620ms var(--ease), transform 620ms 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;}
    *{animation:none !important;transition-duration:1ms !important;}
  }

/* roulang page: category2 */
:root{
  --bg:#F7F4EE; --surface:#FFFFFF; --ink:#14181A; --ink-2:#5B6360; --ink-3:#8A928E;
  --brand:#0E3B33; --brand-deep:#0A2C26; --accent:#C8F169; --warm:#E2703A; --line:#E4DFD5;
  --sand:#F0ECE3;
  --r-card:18px; --r-btn:999px; --r-input:12px; --r-chip:999px;
  --sh-1:0 1px 2px rgba(20,24,26,.04), 0 8px 24px -12px rgba(14,59,51,.12);
  --sh-2:0 18px 40px -20px rgba(14,59,51,.18);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-serif:"Noto Serif SC","Songti SC",serif;
  --font-sans:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{
  margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-sans);
  font-size:16px;line-height:1.9;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.container-narrow{width:100%;max-width:880px;margin:0 auto;padding:0 20px}
@media (min-width:768px){
  .container{padding:0 32px}
  .container-narrow{padding:0 32px}
}
.section{padding:72px 0}
@media (max-width:767px){.section{padding:48px 0}}

/* ---------- 排版 ---------- */
.t-h1{font-family:var(--font-serif);font-size:clamp(34px,5vw,58px);line-height:1.14;letter-spacing:-.02em;font-weight:700;margin:0}
.t-h2{font-family:var(--font-serif);font-size:clamp(24px,3.2vw,36px);line-height:1.28;letter-spacing:-.015em;font-weight:700;margin:0}
.t-h3{font-size:20px;line-height:1.5;font-weight:600;margin:0}
.lede{font-size:17px;line-height:1.85;color:var(--ink-2);margin-top:16px;max-width:56ch}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-bottom:12px}
.section-note{font-size:14px;color:var(--ink-3);max-width:34ch;line-height:1.8}
.section-head{display:grid;gap:18px;align-items:end;margin-bottom:32px}
@media (min-width:1024px){.section-head{grid-template-columns:1fr auto;gap:40px}}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:transparent;border-bottom:1px solid transparent;transition:background .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease)}
.site-header.is-scrolled{background:rgba(247,244,238,.92);backdrop-filter:saturate(140%) blur(10px);border-bottom-color:var(--line);box-shadow:0 6px 24px -20px rgba(14,59,51,.4)}
.header-inner{display:flex;align-items:center;gap:22px;height:78px;transition:height .32s var(--ease)}
.site-header.is-scrolled .header-inner{height:66px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{display:inline-flex;line-height:0}
.brand-text{display:flex;flex-direction:column;line-height:1.06}
.brand-line1{font-family:var(--font-serif);font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--brand);white-space:nowrap}
.brand-line2{font-size:10px;letter-spacing:.2em;color:var(--ink-3);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:10px}
.nav-link{position:relative;font-size:15px;color:var(--ink-2);padding:8px 0;white-space:nowrap;transition:color .2s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;background:var(--accent);transition:width .2s var(--ease)}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{width:100%}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{display:flex;align-items:center;gap:8px;height:38px;width:220px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);background:rgba(255,255,255,.62);transition:width .3s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)}
.nav-search:focus-within{width:320px;border-color:var(--brand);box-shadow:0 0 0 3px rgba(200,241,105,.4);background:var(--surface)}
.nav-search svg{flex:none;color:var(--ink-3)}
.search-field{border:0;outline:0;background:transparent;width:100%;font-size:14px;line-height:1.4}
.search-field::placeholder{color:var(--ink-3)}
.nav-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r-btn);background:rgba(255,255,255,.7);color:var(--brand)}
.nav-toggle:hover{background:var(--surface);border-color:var(--brand)}
@media (max-width:1023px){
  .main-nav{display:none}
  .nav-search{display:none}
  .header-tools .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
}
@media (max-width:520px){
  .brand-line1{font-size:15px}
  .header-tools .btn-primary{padding:8px 14px;font-size:13px}
}

/* 移动端抽屉 */
.nav-backdrop{position:fixed;inset:0;z-index:70;background:rgba(14,59,51,.5);backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .3s var(--ease)}
.nav-backdrop.is-open{opacity:1;pointer-events:auto}
.nav-drawer{position:fixed;top:0;right:0;z-index:80;height:100%;width:min(340px,86vw);background:var(--bg);border-left:1px solid var(--line);transform:translateX(100%);transition:transform .32s var(--ease);padding:84px 22px 32px;display:flex;flex-direction:column;gap:16px;overflow-y:auto}
.nav-drawer.is-open{transform:none}
.drawer-link{font-size:16px;color:var(--ink-2);padding:12px 0;border-bottom:1px solid var(--line);transition:color .2s var(--ease)}
.drawer-link:hover,.drawer-link.is-active{color:var(--brand);font-weight:600}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:10px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);font-size:15px;font-weight:600;padding:12px 22px;border:1px solid transparent;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);text-align:center;line-height:1.4}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:#F7F4EE}
.btn-primary:hover{background:var(--brand-deep);box-shadow:var(--sh-2)}
.btn-arrow{transition:transform .2s var(--ease)}
.btn-primary:hover .btn-arrow{transform:translateX(4px)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(14,59,51,.08)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.btn-on-dark{background:var(--accent);color:var(--brand);border-color:var(--accent)}
.btn-on-dark:hover{background:#B9E854}
.btn-outline-light{background:transparent;color:#F2EFE6;border-color:rgba(242,239,230,.5)}
.btn-outline-light:hover{background:rgba(242,239,230,.12);border-color:#F2EFE6}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);transition:gap .2s var(--ease)}
.link-arrow:hover{gap:11px;text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}

/* ---------- 面包屑 / Hero ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);margin-bottom:26px}
.breadcrumb a{color:var(--ink-2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}
.crumb-current{color:var(--brand);font-weight:600}
.hero-cat{padding:48px 0 64px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero-cat::before{content:"";position:absolute;left:0;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(200,241,105,.28),rgba(200,241,105,0) 68%);pointer-events:none}
.hero-cat-grid{position:relative;display:grid;gap:34px;align-items:end}
@media (min-width:1024px){.hero-cat-grid{grid-template-columns:minmax(0,1fr) 268px;gap:56px}}
.hero-cat-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-cat-mark{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px;display:flex;flex-direction:column;gap:14px}
.mark-badge{align-self:flex-start;font-size:12px;letter-spacing:.1em;color:var(--brand);background:rgba(200,241,105,.28);border-radius:var(--r-chip);padding:4px 12px}
.mark-title{font-size:15px;font-weight:600;color:var(--ink)}
.mark-list{display:flex;flex-direction:column;gap:8px}
.mark-list li{font-size:13.5px;color:var(--ink-2);padding-left:14px;position:relative}
.mark-list li::before{content:"";position:absolute;left:0;top:11px;width:5px;height:5px;border-radius:50%;background:var(--accent)}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:36px;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:10px;bottom:10px;width:1px;background:var(--line)}
.timeline-item{position:relative;padding-bottom:30px}
.timeline-item:last-child{padding-bottom:0}
.timeline-dot{position:absolute;left:-34px;top:4px;width:19px;height:19px;border-radius:50%;border:1px solid var(--line);background:var(--surface);display:flex;align-items:center;justify-content:center;transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease)}
.timeline-dot::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--ink-3);transition:background .24s var(--ease)}
.timeline-item:hover .timeline-dot{border-color:var(--brand);box-shadow:0 0 0 5px rgba(200,241,105,.32)}
.timeline-item:hover .timeline-dot::after{background:var(--accent)}
.timeline-num{display:block;font-size:12px;letter-spacing:.16em;color:var(--ink-3);font-variant-numeric:tabular-nums;margin-bottom:6px}
.timeline-body p{font-size:15.5px;color:var(--ink-2);margin-top:8px;max-width:66ch}

/* ---------- 图文交替 ---------- */
.split{display:grid;gap:28px;align-items:center;padding:34px 0;border-bottom:1px solid var(--line)}
.split:last-child{border-bottom:0;padding-bottom:0}
.split:first-child{padding-top:0}
@media (min-width:1024px){
  .split{grid-template-columns:6fr 6fr;gap:56px;padding:44px 0}
  .split.reverse .split-media{order:2}
}
.split-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);background:var(--sand)}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .32s var(--ease)}
.split-media:hover img{transform:scale(1.03)}
.split-text p{font-size:15.5px;color:var(--ink-2);margin-top:12px}
.split-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.split-list li{position:relative;padding-left:18px;font-size:14.5px;color:var(--ink-2)}
.split-list li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;background:var(--accent);border-radius:2px}

/* ---------- 数据条 ---------- */
.stat-strip{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
@media (min-width:768px){.stat-strip{grid-template-columns:repeat(3,1fr)}}
.stat-item{background:var(--sand);padding:28px 26px}
.stat-num{font-family:var(--font-serif);font-size:clamp(28px,3.4vw,40px);line-height:1.1;color:var(--brand);font-variant-numeric:tabular-nums}
.stat-num small{font-size:14px;font-family:var(--font-sans);color:var(--ink-3);margin-left:6px;letter-spacing:.06em}
.stat-label{font-size:14px;color:var(--ink-2);margin-top:10px;line-height:1.75}

/* ---------- FAQ ---------- */
.faq-list{margin-top:30px;border-top:1px solid var(--line)}
.faq-item{position:relative;border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;font-size:17px;font-weight:600;color:var(--ink);transition:color .2s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-icon{position:relative;width:18px;height:18px;flex:none}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .28s var(--ease),opacity .28s var(--ease)}
.faq-icon::before{left:0;right:0;top:8px;height:2px}
.faq-icon::after{top:0;bottom:0;left:8px;width:2px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-item[open] .faq-icon::before{transform:rotate(180deg)}
.faq-item[open]::before{content:"";position:absolute;left:-16px;top:24px;width:3px;height:22px;background:var(--accent);border-radius:2px}
.faq-answer{padding:0 0 22px;font-size:15.5px;color:var(--ink-2);animation:faqIn .3s var(--ease)}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---------- CTA + 表单 ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--brand);color:#F2EFE6;border-radius:var(--r-card);padding:38px clamp(22px,4vw,48px);display:grid;gap:24px;align-items:center}
@media (min-width:768px){.cta-band{grid-template-columns:1fr auto}}
.cta-band::after{content:"";position:absolute;right:-30px;bottom:-30px;width:230px;height:230px;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:22px 22px}
.cta-band h2{font-family:var(--font-serif);font-size:clamp(22px,2.6vw,32px);line-height:1.3;margin:0}
.cta-band p{font-size:15px;color:rgba(242,239,230,.78);margin-top:10px;max-width:56ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
.form-grid{display:grid;gap:32px;margin-top:48px;align-items:start}
@media (min-width:1024px){.form-grid{grid-template-columns:5fr 7fr;gap:56px}}
.form-intro h3{margin:0}
.form-intro p{font-size:15px;color:var(--ink-2);margin-top:12px}
.form-points{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.form-points li{font-size:14.5px;color:var(--ink-2);padding-left:18px;position:relative}
.form-points li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;background:var(--accent);border-radius:2px}
.contact-form{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:26px}
@media (min-width:768px){.contact-form{padding:30px}}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:13px;color:var(--ink-2)}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:var(--r-input);background:var(--surface);padding:12px 14px;font-size:15px;line-height:1.6;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(200,241,105,.45)}
.field-row{display:grid;gap:0 18px}
@media (min-width:640px){.field-row{grid-template-columns:1fr 1fr}}
.checkbox-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-2);line-height:1.7;margin-bottom:18px}
.checkbox-row input{margin-top:4px;accent-color:#0E3B33}
.privacy-note{display:flex;gap:8px;align-items:flex-start;font-size:12.5px;color:var(--ink-3);line-height:1.7;margin-top:14px}
.privacy-note svg{flex:none;margin-top:3px;color:var(--ink-3)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--sand);border-top:1px solid var(--line);padding:56px 0 0;margin-top:72px}
@media (max-width:767px){.site-footer{margin-top:48px;padding-top:44px}}
.footer-grid{display:grid;gap:34px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-desc{font-size:14px;color:var(--ink-2);line-height:1.85;max-width:36ch}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-social a{width:34px;height:34px;border:1px solid var(--line);border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--brand);background:var(--surface);transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.footer-social a:hover{background:var(--brand);color:var(--accent);border-color:var(--brand)}
.footer-title{font-size:13px;letter-spacing:.1em;font-weight:600;color:var(--ink);margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--ink-2)}
.footer-links a{transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--brand);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}
.footer-bottom{margin-top:44px;border-top:1px solid var(--line);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--ink-3)}
.footer-bottom p{line-height:1.8}

/* ---------- 弹层 ---------- */
.modal{position:fixed;inset:0;z-index:90;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(14,59,51,.55);backdrop-filter:blur(6px)}
.modal.is-open{display:flex}
.modal-panel{position:relative;width:100%;max-width:560px;max-height:90vh;overflow:auto;background:var(--surface);border-radius:20px;box-shadow:var(--sh-2);padding:28px}
.modal-close{position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);display:flex;align-items:center;justify-content:center;transition:background .2s var(--ease),color .2s var(--ease)}
.modal-close:hover{background:var(--sand);color:var(--brand)}
.modal-title{font-family:var(--font-serif);font-size:22px;font-weight:700;margin:0 0 6px}
.modal-sub{font-size:14px;color:var(--ink-2);margin-bottom:20px}

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

/* roulang page: category1 */
:root{
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --ink:#14181A;
  --ink-2:#5B6360;
  --ink-3:#8A928E;
  --brand:#0E3B33;
  --brand-dark:#0A2C26;
  --accent:#C8F169;
  --warm:#E2703A;
  --line:#E4DFD5;
  --sand:#F0ECE3;
  --r-card:18px;
  --r-btn:999px;
  --r-input:12px;
  --r-chip:999px;
  --sh-1:0 1px 2px rgba(20,24,26,.04), 0 8px 24px -12px rgba(14,59,51,.12);
  --sh-2:0 18px 40px -20px rgba(14,59,51,.18);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-title:"Noto Serif SC","Songti SC",Georgia,serif;
  --font-body:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:none;cursor:pointer;}
h1,h2,h3,h4{font-family:var(--font-title);font-weight:700;margin:0;letter-spacing:-.02em;line-height:1.18;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){.container{padding:0 32px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:70;
  background:rgba(247,244,238,0);
  border-bottom:1px solid transparent;
  transition:background-color .32s var(--ease),border-color .32s var(--ease),box-shadow .32s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(247,244,238,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom-color:var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  height:78px;
  transition:height .32s var(--ease);
}
.site-header.is-scrolled .header-inner{height:66px;}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{display:inline-flex;width:26px;height:26px;align-items:center;justify-content:center;}
.brand-text{display:flex;flex-direction:column;line-height:1.05;}
.brand-line1{font-family:var(--font-title);font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--brand);}
.brand-line2{font-size:10px;letter-spacing:.2em;color:var(--ink-3);margin-top:3px;}

.main-nav{display:flex;align-items:center;gap:26px;margin:0 auto;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--ink-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  background:var(--accent);
  transition:width .2s var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{width:100%;}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:38px;width:210px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:rgba(255,255,255,.6);
  transition:width .32s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box:focus-within{
  width:320px;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(200,241,105,.35);
}
.search-box svg{flex:0 0 auto;color:var(--ink-3);}
.search-box input{
  border:none;outline:none;background:transparent;
  width:100%;font-size:14px;
}
.search-box input::placeholder{color:var(--ink-3);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:14px;font-weight:600;
  white-space:nowrap;
  cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-solid{background:var(--brand);color:#F7F4EE;box-shadow:var(--sh-1);}
.btn-solid:hover{background:var(--brand-dark);transform:translateY(-1px);}
.btn-solid .arrow{transition:transform .2s var(--ease);}
.btn-solid:hover .arrow{transform:translateX(4px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--brand);}
.btn-ghost:hover{background:rgba(14,59,51,.08);border-color:rgba(14,59,51,.22);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:600;font-size:15px;
}
.btn-link:hover{color:var(--brand-dark);}
.btn-link .arrow{transition:transform .2s var(--ease);}
.btn-link:hover .arrow{transform:translateX(4px);}

.menu-btn{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:14px;
  align-items:center;justify-content:center;
  color:var(--brand);
  background:rgba(255,255,255,.6);
}

/* drawer */
.drawer-overlay{
  position:fixed;inset:0;z-index:80;
  background:rgba(14,59,51,.5);
  backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px);
  opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease);
}
.drawer-overlay.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;z-index:90;
  width:min(340px,86vw);height:100%;
  background:var(--surface);
  border-left:1px solid var(--line);
  padding:26px 24px 32px;
  transform:translateX(100%);
  transition:transform .32s var(--ease);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{
  width:38px;height:38px;border-radius:12px;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand);
}
.drawer-close:hover{background:rgba(14,59,51,.08);}
.drawer .search-box{width:100%;margin-bottom:20px;}
.drawer .search-box:focus-within{width:100%;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer-nav a{
  padding:12px 14px;border-radius:12px;font-size:15px;color:var(--ink-2);
  border-left:3px solid transparent;
}
.drawer-nav a:hover{background:var(--sand);color:var(--brand);}
.drawer-nav a.is-active{border-left-color:var(--accent);color:var(--brand);font-weight:600;background:rgba(200,241,105,.16);}
.drawer-actions{display:flex;flex-direction:column;gap:10px;}
.drawer-actions .btn{width:100%;}

@media (max-width:1023px){
  .main-nav{display:none;}
  .header-actions .search-box{display:none;}
  .header-actions .btn-ghost{display:none;}
  .menu-btn{display:inline-flex;}
  .header-inner{gap:14px;}
}

/* ---------- hero ---------- */
.cat-hero{padding:54px 0 40px;position:relative;overflow:hidden;}
.cat-hero::before{
  content:"";
  position:absolute;left:-120px;top:-80px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,105,.35),rgba(200,241,105,0) 70%);
  pointer-events:none;
}
.cat-hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);
  background:rgba(200,241,105,.28);
  border:1px solid rgba(14,59,51,.12);
  border-radius:var(--r-chip);
  padding:5px 14px;
  margin-bottom:20px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);}
.cat-hero h1{
  font-size:clamp(30px,4.2vw,48px);
  line-height:1.14;
  color:var(--ink);
  margin-bottom:18px;
}
.cat-hero .lead{
  font-size:16px;
  color:var(--ink-2);
  max-width:52ch;
  margin-bottom:26px;
}
.cat-hero-figure{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:4/3;
  box-shadow:var(--sh-1);
}
.cat-hero-figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.cat-hero-figure:hover img{transform:scale(1.03);}
.cat-hero-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 16px;
  font-size:12px;
  color:rgba(247,244,238,.92);
  background:linear-gradient(to top,rgba(14,59,51,.82),rgba(14,59,51,0));
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  font-size:14px;color:var(--ink-3);
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);}

@media (max-width:1023px){
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;}
  .cat-hero-figure{max-width:520px;}
}

/* ---------- layout ---------- */
.cat-layout{
  display:grid;
  grid-template-columns:240px minmax(0,1fr);
  gap:56px;
  padding-bottom:24px;
}
.toc{position:sticky;top:100px;align-self:start;}
.toc-title{
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:14px;
}
.toc nav{display:flex;flex-direction:column;border-left:2px solid var(--line);}
.toc a{
  padding:10px 0 10px 16px;
  margin-left:-2px;
  font-size:14px;
  color:var(--ink-2);
  border-left:3px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.toc a:hover{color:var(--brand);border-left-color:rgba(200,241,105,.9);background:rgba(200,241,105,.12);}
.toc a.is-current{color:var(--brand);font-weight:600;border-left-color:var(--accent);background:rgba(200,241,105,.16);}
.toc-note{
  margin-top:24px;
  padding:18px;
  border:1px dashed var(--line);
  border-radius:14px;
  font-size:13px;
  color:var(--ink-2);
  background:rgba(255,255,255,.6);
}

.content-block{padding:38px 0;border-top:1px solid var(--line);}
.content-block:first-of-type{border-top:none;padding-top:0;}
.block-index{
  display:inline-block;
  font-size:12px;letter-spacing:.12em;
  color:var(--brand);
  background:rgba(200,241,105,.3);
  border-radius:var(--r-chip);
  padding:3px 12px;
  margin-bottom:14px;
}
.content-block h2{
  font-size:clamp(22px,2.6vw,30px);
  margin-bottom:16px;
  color:var(--ink);
}
.content-block h3{
  font-family:var(--font-body);
  font-size:18px;font-weight:600;
  margin:22px 0 10px;
  color:var(--ink);
}
.content-block p{color:var(--ink-2);margin-bottom:14px;}
.content-block p:last-child{margin-bottom:0;}
.block-split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:34px;
  align-items:center;
  margin-top:22px;
}
.block-figure{
  border-radius:16px;
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/10;
  background:var(--sand);
}
.block-figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.block-figure:hover img{transform:scale(1.03);}
.block-figure figcaption{
  font-size:13px;color:var(--ink-3);
  padding:10px 2px 0;
}

.kv-list{margin-top:8px;display:flex;flex-direction:column;gap:10px;}
.kv-list li{
  position:relative;
  padding-left:20px;
  font-size:15px;
  color:var(--ink-2);
}
.kv-list li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:7px;height:7px;
  background:var(--accent);
  border:1px solid var(--brand);
  transform:translateY(-50%);
}
.kv-list li strong{color:var(--ink);font-weight:600;}

.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.chip{
  display:inline-flex;align-items:center;
  border:1px solid var(--line);
  border-radius:var(--r-chip);
  padding:6px 14px;
  font-size:13px;
  color:var(--ink-2);
  background:rgba(255,255,255,.7);
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.chip:hover{border-color:var(--accent);color:var(--brand);background:rgba(200,241,105,.16);}

@media (max-width:1023px){
  .cat-layout{grid-template-columns:1fr;gap:32px;}
  .toc{position:static;}
  .block-split{grid-template-columns:1fr;gap:22px;}
}

/* ---------- stat strip ---------- */
.stat-strip{
  background:var(--sand);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  margin:44px 0;
  overflow:hidden;
}
.stat-item{padding:28px;border-left:1px solid var(--line);}
.stat-item:first-child{border-left:none;}
.stat-num{
  font-family:var(--font-title);
  font-size:clamp(28px,3.4vw,42px);
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
}
.stat-num small{font-size:16px;margin-left:4px;color:var(--ink-2);font-family:var(--font-body);}
.stat-label{font-size:14px;color:var(--ink-2);margin-top:8px;}
@media (max-width:767px){
  .stat-strip{grid-template-columns:1fr;}
  .stat-item{border-left:none;border-top:1px solid var(--line);}
  .stat-item:first-child{border-top:none;}
}

/* ---------- faq ---------- */
.faq-wrap{padding:56px 0 8px;border-top:1px solid var(--line);}
.section-head{margin-bottom:28px;max-width:62ch;}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px;}
.section-head p{color:var(--ink-2);font-size:15px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;align-items:flex-start;gap:16px;
  padding:20px 0;
  font-size:16px;font-weight:600;
  color:var(--ink);
  border-left:3px solid transparent;
  padding-left:0;
  transition:border-color .2s var(--ease),color .2s var(--ease),padding-left .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item[open] summary{border-left-color:var(--accent);padding-left:14px;color:var(--brand);}
.faq-icon{
  margin-left:auto;flex:0 0 auto;
  width:22px;height:22px;position:relative;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--brand);
  transform:translate(-50%,-50%);
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.faq-icon::before{width:13px;height:2px;}
.faq-icon::after{width:2px;height:13px;}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-answer{padding:0 0 22px 0;color:var(--ink-2);font-size:15px;max-width:70ch;}

/* ---------- cta + form ---------- */
.cta-band{
  margin:52px 0 64px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:22px;
  padding:38px;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:40px;
  box-shadow:var(--sh-1);
}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:14px;}
.cta-band .cta-lead{color:var(--ink-2);font-size:15px;margin-bottom:20px;}
.cta-points{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--ink-2);}
.cta-points span{display:flex;gap:10px;align-items:flex-start;}
.cta-points svg{flex:0 0 auto;margin-top:5px;color:var(--brand);}

.cat-form{display:flex;flex-direction:column;gap:16px;}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:7px;}
.field input[type="text"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  background:#FCFBF8;
  padding:11px 14px;
  font-size:15px;
  color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.field textarea{min-height:100px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--accent);
  background:#fff;
  box-shadow:0 0 0 3px rgba(200,241,105,.35);
}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3);}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);}
.check-line input{margin-top:5px;accent-color:#0E3B33;width:16px;height:16px;}
.privacy-note{
  display:flex;gap:8px;align-items:flex-start;
  font-size:12.5px;color:var(--ink-3);
  line-height:1.7;
}
.privacy-note svg{flex:0 0 auto;margin-top:3px;color:var(--brand);}
.submit-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}

@media (max-width:1023px){
  .cta-band{grid-template-columns:1fr;padding:28px;gap:28px;}
}
@media (max-width:600px){
  .field-row{grid-template-columns:1fr;}
}

/* ---------- modal ---------- */
.modal-overlay{
  position:fixed;inset:0;z-index:120;
  display:flex;align-items:center;justify-content:center;
  padding:20px;
  background:rgba(14,59,51,.55);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  opacity:0;pointer-events:none;
  transition:opacity .28s var(--ease);
}
.modal-overlay.is-open{opacity:1;pointer-events:auto;}
.modal-card{
  position:relative;
  width:100%;max-width:560px;
  max-height:88vh;overflow-y:auto;
  background:var(--surface);
  border-radius:20px;
  border:1px solid var(--line);
  padding:30px;
  box-shadow:0 30px 60px -30px rgba(14,59,51,.4);
  transform:translateY(12px);
  transition:transform .3s var(--ease);
}
.modal-overlay.is-open .modal-card{transform:translateY(0);}
.modal-card h3{font-size:22px;margin-bottom:8px;}
.modal-card .modal-desc{font-size:14px;color:var(--ink-2);margin-bottom:22px;}
.modal-close{
  position:absolute;top:16px;right:16px;
  width:36px;height:36px;border-radius:12px;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand);
  transition:background-color .2s var(--ease);
}
.modal-close:hover{background:rgba(14,59,51,.08);}

/* ---------- footer ---------- */
.site-footer{
  background:var(--brand);
  color:#E9E4D8;
  padding-top:60px;
  margin-top:16px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-line1{color:#F7F4EE;}
.footer-brand .brand-line2{color:rgba(233,228,216,.55);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(233,228,216,.7);max-width:36ch;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:34px;height:34px;border-radius:var(--r-btn);
  border:1px solid rgba(233,228,216,.25);
  display:flex;align-items:center;justify-content:center;
  color:#E9E4D8;
}
.footer-social a:hover{background:var(--accent);color:var(--brand);border-color:var(--accent);}
.footer-title{
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:11px;font-size:14px;}
.footer-links a{color:rgba(233,228,216,.78);}
.footer-links a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;}
.footer-links span{color:rgba(233,228,216,.5);}
.footer-bottom{
  border-top:1px solid rgba(233,228,216,.16);
  padding:22px 0;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12px;color:rgba(233,228,216,.55);
}
.footer-bottom p{margin:0;}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:640px){
  .footer-grid{grid-template-columns:1fr;}
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .55s var(--ease),transform .55s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}