/* roulang page: index */
:root{
  --brand:#0F1A17;
  --brand-2:#16241F;
  --accent:#B9FF3C;
  --accent-soft:rgba(185,255,60,.16);
  --forest:#2E6B4E;
  --forest-soft:rgba(46,107,78,.10);
  --amber:#FF7A45;
  --amber-soft:rgba(255,122,69,.13);
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --sub:#EDEAE3;
  --line:#E2DED5;
  --ink:#141A18;
  --ink-2:#5A625E;
  --ink-3:#8B938E;
  --dark-ink:#F6F4EF;
  --dark-ink-2:#A9B4AF;
  --radius:10px;
  --radius-sm:8px;
  --shadow-1:0 1px 2px rgba(15,26,23,.04);
  --shadow-2:0 10px 30px rgba(15,26,23,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.15}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
.section{padding:clamp(72px,9vw,128px) 0}
.section-tight{padding:clamp(56px,6vw,88px) 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--forest);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--forest);display:block}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:clamp(32px,4vw,56px)}
.section-title{font-size:clamp(26px,3.4vw,40px);font-weight:900}
.section-desc{margin-top:12px;max-width:640px;color:var(--ink-2);font-size:16px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--forest);font-size:15px}
.link-arrow svg{transition:transform .24s var(--ease)}
.link-arrow:hover svg,.link-arrow:focus-visible svg{transform:translateX(4px)}
.link-underline{position:relative;background-image:linear-gradient(var(--accent),var(--accent));background-size:0 2px;background-repeat:no-repeat;background-position:0 100%;transition:background-size .24s var(--ease)}
.link-underline:hover{background-size:100% 2px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.88);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{
  width:38px;height:38px;border-radius:10px;flex:none;
  background:var(--brand);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:900;letter-spacing:-.03em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-size:17px;font-weight:900;letter-spacing:-.01em}
.brand-text span{font-size:11px;color:var(--ink-3);letter-spacing:.16em}
.main-nav{display:none;align-items:center;gap:4px}
@media (min-width:1024px){.main-nav{display:flex}}
.nav-link{
  position:relative;padding:10px 14px;font-size:15px;font-weight:600;color:var(--ink-2);
  border-radius:var(--radius-sm);transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--ink);background:var(--sub)}
.nav-link.active{color:var(--ink);font-weight:800}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:2px;background:var(--accent);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.mega-wrap{position:relative;display:none}
@media (min-width:1024px){.mega-wrap{display:block}}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);
  padding:9px 14px;font-size:15px;font-weight:600;color:var(--ink-2);cursor:pointer;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.mega-wrap:hover .mega-trigger,.mega-trigger:focus-visible{color:var(--ink);border-color:var(--line);background:var(--card)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:640px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-2);padding:22px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-cols{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.mega-title{font-size:12px;letter-spacing:.16em;color:var(--ink-3);font-weight:700;margin-bottom:10px}
.mega-item{display:block;padding:10px 12px;border-radius:var(--radius-sm);transition:background .2s var(--ease)}
.mega-item:hover{background:var(--sub)}
.mega-item b{display:block;font-size:15px;font-weight:700}
.mega-item span{display:block;font-size:12.5px;color:var(--ink-3);line-height:1.6}
.mega-foot{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.mega-foot p{font-size:13px;color:var(--ink-2);max-width:340px}
.nav-cta{display:none}
@media (min-width:1024px){.nav-cta{display:inline-flex}}
.hamburger{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--radius-sm);
  background:var(--card);border:1px solid var(--line);cursor:pointer;
}
@media (min-width:1024px){.hamburger{display:none}}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:var(--dark-ink)}
.btn-primary:hover{background:var(--brand-2);box-shadow:var(--shadow-1)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent);color:var(--ink);background:var(--card)}
.btn-accent{background:var(--accent);color:var(--brand)}
.btn-accent:hover{background:#a9f22f}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;font-size:12.5px;font-weight:700;line-height:1.7;
}
.badge-amber{background:var(--amber-soft);color:#B34A1E}
.badge-forest{background:var(--forest-soft);color:var(--forest)}
.badge-dark{background:var(--accent-soft);color:var(--accent)}
/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:clamp(48px,7vw,96px) 0 clamp(56px,7vw,104px)}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(15,26,23,.045) 1px,transparent 1px),linear-gradient(to bottom,rgba(15,26,23,.045) 1px,transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(120% 90% at 70% 0%,#000 0%,transparent 72%);
  mask-image:radial-gradient(120% 90% at 70% 0%,#000 0%,transparent 72%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:clamp(36px,5vw,64px);align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr}}
.hero h1{font-size:clamp(34px,6vw,60px);font-weight:900;margin-top:18px}
.hero h1 em{font-style:normal;color:var(--forest);background:linear-gradient(transparent 62%,var(--accent-soft) 62%)}
.hero-sub{margin-top:22px;max-width:600px;font-size:17px;line-height:1.9;color:var(--ink-2)}
.hero-stats{display:grid;grid-template-columns:1fr;gap:14px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line)}
@media (min-width:640px){.hero-stats{grid-template-columns:repeat(3,1fr)}}
.hero-stat b{display:block;font-size:15px;font-weight:800}
.hero-stat span{display:block;font-size:13.5px;color:var(--ink-3);line-height:1.7;margin-top:2px}
.hero-visual{position:relative}
.hero-imgwrap{
  position:relative;overflow:hidden;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--sub);aspect-ratio:4/3;box-shadow:var(--shadow-1);
}
.hero-imgwrap img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.hero-imgwrap:hover img{transform:scale(1.03)}
.float-card{
  position:absolute;left:-6px;bottom:-22px;width:min(300px,88%);
  background:var(--brand);color:var(--dark-ink);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow-2);
}
@media (min-width:1024px){.float-card{left:-28px}}
.float-card .float-num{font-size:38px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1;color:var(--accent)}
.float-card .float-num small{font-size:15px;font-weight:700;margin-left:4px;color:var(--dark-ink-2)}
.float-card p{margin-top:8px;font-size:13.5px;line-height:1.7;color:var(--dark-ink-2)}
/* ---------- bento ---------- */
.bento{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:768px){.bento{grid-template-columns:repeat(3,1fr);grid-auto-rows:minmax(0,auto)}}
@media (min-width:768px){.bento-lg{grid-column:span 2;grid-row:span 2}}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--forest)}
.bento-lg{display:flex;flex-direction:column;gap:20px}
.bento-lg .bento-media{overflow:hidden;border-radius:var(--radius-sm);aspect-ratio:16/9;background:var(--sub)}
.bento-lg .bento-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.bento-lg:hover .bento-media img{transform:scale(1.03)}
.bento-lg h3{font-size:22px;font-weight:900}
.bento-lg p{color:var(--ink-2);font-size:15.5px;margin-top:10px}
.point-list{margin-top:6px;display:grid;gap:8px}
.point-list li{position:relative;padding-left:18px;font-size:15px;color:var(--ink-2)}
.point-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--accent);border:1px solid var(--forest)}
.bento-sm h3{font-size:18px;font-weight:800;margin-bottom:8px}
.bento-sm p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.icon-box{
  width:40px;height:40px;border-radius:10px;background:var(--forest-soft);color:var(--forest);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
/* ---------- dark stats ---------- */
.dark-block{background:var(--brand);color:var(--dark-ink)}
.dark-block .section-title{color:var(--dark-ink)}
.dark-block .section-desc,.dark-block .eyebrow{color:var(--dark-ink-2)}
.dark-block .eyebrow::before{background:var(--accent)}
.stat-grid{display:grid;grid-template-columns:1fr;gap:2px;margin-top:8px}
@media (min-width:640px){.stat-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat{padding:28px 24px;border-left:1px solid rgba(246,244,239,.14)}
@media (max-width:639px){.stat{border-left:0;border-top:1px solid rgba(246,244,239,.14)}}
@media (min-width:1024px){.stat:first-child{border-left:0}}
.stat-num{
  font-size:clamp(38px,4.6vw,54px);font-weight:800;line-height:1;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;
}
.stat-num small{font-size:16px;font-weight:700;margin-left:4px;color:var(--dark-ink)}
.stat p{margin-top:12px;font-size:14.5px;color:var(--dark-ink-2);line-height:1.75}
/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:1fr;gap:20px;align-items:start}
@media (min-width:768px){.case-grid{grid-template-columns:repeat(3,1fr)}}
.case-card{display:flex;flex-direction:column;overflow:hidden;padding:0}
.case-card .case-thumb{overflow:hidden;aspect-ratio:16/10;background:var(--sub)}
.case-card .case-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.case-card:hover .case-thumb img{transform:scale(1.03)}
.case-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.case-body h3{font-size:19px;font-weight:800}
.case-body p{font-size:14.8px;color:var(--ink-2);line-height:1.8}
@media (min-width:768px){.case-card.tall{transform:translateY(-20px)}.case-card.tall:hover{transform:translateY(-22px)}}
.case-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:14px}
.case-more{opacity:0;transform:translateY(4px);transition:opacity .24s var(--ease),transform .24s var(--ease)}
.case-card:hover .case-more,.case-card:focus-within .case-more{opacity:1;transform:none}
/* ---------- plans ---------- */
.plan-layout{display:grid;grid-template-columns:1fr;gap:clamp(28px,4vw,48px)}
@media (min-width:1024px){.plan-layout{grid-template-columns:250px 1fr}}
.plan-index{position:sticky;top:100px;align-self:start;display:none}
@media (min-width:1024px){.plan-index{display:block}}
.plan-index li{padding:12px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--ink-2)}
.plan-index li b{display:inline-block;width:34px;font-variant-numeric:tabular-nums;font-weight:800;color:var(--ink-3)}
.plan-index li.active{color:var(--ink);font-weight:700}
.plan-index li.active b{color:var(--forest)}
.plan-item{display:grid;grid-template-columns:1fr;gap:26px;padding:clamp(26px,3.4vw,40px) 0;border-top:1px solid var(--line)}
.plan-item:first-child{border-top:0;padding-top:0}
@media (min-width:768px){.plan-item{grid-template-columns:minmax(0,1fr) 340px}.plan-item.reverse .plan-media{order:-1}}
.plan-media{overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);background:var(--sub);aspect-ratio:16/10}
.plan-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.plan-media:hover img{transform:scale(1.03)}
.plan-item h3{font-size:clamp(20px,2.4vw,26px);font-weight:900;margin-bottom:14px}
.plan-item h3 span{color:var(--forest);font-variant-numeric:tabular-nums;margin-right:10px}
.plan-points{display:grid;gap:12px;margin:18px 0 22px}
.plan-points li{border-left:3px solid var(--forest);padding:2px 0 2px 14px;font-size:15.5px;color:var(--ink-2)}
.plan-points li b{color:var(--ink);font-weight:700}
/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px}
@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;padding:0;overflow:hidden}
.news-thumb{display:block;overflow:hidden;aspect-ratio:16/9;background:var(--sub)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:18px;font-weight:800;line-height:1.45}
.news-body h3 a:hover{color:var(--forest)}
.news-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.line-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-3)}
.news-meta time{color:var(--amber);font-weight:700;font-variant-numeric:tabular-nums}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius);background:var(--card);
  padding:56px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state .icon-box{margin:0}
.empty-state p{color:var(--ink-2);font-size:15px}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:0 24px;position:relative;overflow:hidden;transition:border-color .24s var(--ease)
}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent);transform:scaleY(0);transform-origin:top;transition:transform .24s var(--ease)}
.faq-item[open]{border-color:var(--forest)}
.faq-item[open]::before{transform:scaleY(1)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 34px 20px 0;position:relative;
  font-size:16.5px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:0;top:28px;width:12px;height:12px;
  border-right:2px solid var(--ink-2);border-bottom:2px solid var(--ink-2);
  transform:rotate(45deg);transition:transform .24s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--forest)}
.faq-item .faq-answer{padding:0 0 22px;color:var(--ink-2);font-size:15.5px;line-height:1.85;max-width:760px}
/* ---------- cta / form ---------- */
.cta-block{background:var(--brand);color:var(--dark-ink);border-radius:var(--radius);padding:clamp(32px,4.6vw,56px)}
.cta-grid{display:grid;grid-template-columns:1fr;gap:clamp(28px,4vw,48px)}
@media (min-width:1024px){.cta-grid{grid-template-columns:1fr 1fr}}
.cta-block h2{font-size:clamp(24px,3vw,34px);font-weight:900;color:var(--dark-ink)}
.cta-block p{color:var(--dark-ink-2);margin-top:16px;font-size:15.5px}
.cta-detail{display:grid;gap:12px;margin-top:28px;padding-top:24px;border-top:1px solid rgba(246,244,239,.16)}
.cta-detail div{display:flex;gap:10px;align-items:baseline;font-size:15px}
.cta-detail b{color:var(--accent);font-weight:700;min-width:74px}
.contact-form{display:grid;gap:16px;background:var(--card);border-radius:var(--radius);padding:clamp(22px,3vw,30px);color:var(--ink)}
.field{display:grid;gap:7px}
.field label{font-size:13.5px;font-weight:700;color:var(--ink-2)}
.field input,.field select,.field textarea{
  width:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:12px 14px;font-size:15px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:96px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)
}
.form-row{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:640px){.form-row{grid-template-columns:1fr 1fr}}
/* ---------- footer ---------- */
.site-footer{background:var(--brand);color:var(--dark-ink);border-top:1px solid var(--accent)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding:clamp(48px,6vw,72px) 0 34px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr}}
.footer-brand .brand-text b{color:var(--dark-ink)}
.footer-brand .brand-text span{color:var(--dark-ink-2)}
.footer-brand .brand-mark{background:var(--accent);color:var(--brand)}
.footer-brand p{margin-top:18px;font-size:14.5px;color:var(--dark-ink-2);line-height:1.85;max-width:320px}
.footer-title{font-size:13px;letter-spacing:.16em;color:var(--dark-ink-2);font-weight:700;margin-bottom:16px}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14.8px;color:var(--dark-ink-2);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--accent)}
.footer-contact li{font-size:14.5px;color:var(--dark-ink-2);margin-bottom:12px;line-height:1.7}
.footer-contact b{display:block;color:var(--dark-ink);font-weight:700;font-size:14px}
.footer-bottom{
  border-top:1px solid rgba(246,244,239,.14);padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--dark-ink-2);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;
  color:var(--accent);background:transparent;border:1px solid rgba(185,255,60,.4);
  border-radius:var(--radius-sm);padding:8px 14px;cursor:pointer;transition:background .2s var(--ease)
}
.to-top:hover{background:rgba(185,255,60,.12)}
/* ---------- mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:80;background:var(--paper);
  padding:22px 20px 34px;display:none;flex-direction:column;overflow-y:auto;
}
.mobile-drawer.open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-close{
  width:42px;height:42px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:var(--card);cursor:pointer;font-size:20px;line-height:1;color:var(--ink)
}
.drawer-nav{display:grid;gap:4px;margin-bottom:26px}
.drawer-nav a{padding:16px 4px;font-size:19px;font-weight:800;border-bottom:1px solid var(--line)}
.drawer-nav a.active{color:var(--forest)}
.drawer-sub{padding:14px 4px;font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line)}
.drawer-cta{margin-top:auto}
/* ---------- reveal ---------- */
.has-reveal .reveal{opacity:0;transform:translateY(14px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.has-reveal .reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
  .has-reveal .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
    --brand:#0F1A17;
    --brand-2:#16241F;
    --accent:#B9FF3C;
    --forest:#2E6B4E;
    --amber:#FF7A45;
    --paper:#F6F4EF;
    --white:#FFFFFF;
    --sub:#EDEAE3;
    --line:#E2DED5;
    --ink:#141A18;
    --ink-2:#5A625E;
    --ink-3:#8B938E;
    --radius:10px;
    --sh-1:0 1px 2px rgba(15,26,23,.04);
    --sh-2:0 10px 30px rgba(15,26,23,.10);
    --ease:cubic-bezier(.22,.61,.36,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;background:var(--paper);color:var(--ink);
    font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.2;letter-spacing:-.02em}
  p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  ::selection{background:var(--accent);color:var(--brand)}

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
  @media(min-width:768px){.container{padding:0 32px}}
  .section{padding:clamp(56px,7vw,96px) 0}
  .section-tight{padding:clamp(40px,5vw,64px) 0}

  a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
    outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;
  }

  /* ---------- Header / Nav ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;background:rgba(246,244,239,.94);
    backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
  .brand{display:inline-flex;align-items:center;gap:10px}
  .brand-mark{
    width:38px;height:38px;border-radius:10px;background:var(--brand);color:var(--accent);
    display:grid;place-items:center;font-size:12px;font-weight:800;letter-spacing:.02em;flex:0 0 auto;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15}
  .brand-text b{font-size:16px;font-weight:900;color:var(--ink);letter-spacing:-.01em}
  .brand-text span{font-size:10px;letter-spacing:.2em;color:var(--ink-3);font-weight:700;margin-top:2px}
  .main-nav{display:none;align-items:center;gap:4px}
  @media(min-width:1024px){.main-nav{display:flex}}
  .nav-link{
    position:relative;display:inline-block;padding:10px 14px;border-radius:8px;
    font-size:15px;font-weight:600;color:var(--ink-2);
    transition:color .2s var(--ease),background .2s var(--ease);
  }
  .nav-link:hover{color:var(--ink);background:var(--sub)}
  .nav-link.active{color:var(--ink);background:var(--sub)}
  .nav-link.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
    border-radius:2px;background:var(--forest);
  }
  .header-actions{display:flex;align-items:center;gap:10px}
  .nav-toggle{
    display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;
    background:var(--white);border:1px solid var(--line);border-radius:8px;cursor:pointer;
    transition:border-color .2s var(--ease),background .2s var(--ease);
  }
  .nav-toggle:hover{border-color:var(--forest);background:var(--sub)}
  @media(min-width:1024px){.nav-toggle{display:none}}
  .nav-toggle svg{width:19px;height:19px}
  .mobile-drawer{
    position:fixed;left:0;right:0;top:72px;bottom:0;z-index:55;background:var(--paper);
    padding:20px 20px 48px;overflow-y:auto;visibility:hidden;opacity:0;transform:translateY(-8px);
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
  }
  .mobile-drawer.open{visibility:visible;opacity:1;transform:translateY(0)}
  .mobile-drawer a{display:block;padding:16px 0;font-size:19px;font-weight:800;border-bottom:1px solid var(--line)}
  .mobile-drawer a:active{color:var(--forest)}
  @media(min-width:1024px){.mobile-drawer{display:none}}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 22px;border-radius:8px;border:1px solid transparent;
    font-size:15px;font-weight:700;cursor:pointer;
    transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  }
  .btn svg{width:15px;height:15px;transition:transform .2s var(--ease)}
  .btn-primary{background:var(--brand);color:var(--paper)}
  .btn-primary:hover{background:#1D2E27;transform:translateY(-1px)}
  .btn-primary:active{transform:translateY(0)}
  .btn-accent{background:var(--accent);color:var(--brand)}
  .btn-accent:hover{background:#CDFF6E;transform:translateY(-1px)}
  .btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
  .btn-ghost:hover{border-color:var(--forest);color:var(--forest)}
  .btn-ghost:hover svg{transform:translateX(4px)}
  .btn-sm{padding:9px 16px;font-size:14px}

  /* ---------- Badges / Tags ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
    font-size:13px;font-weight:700;line-height:1.5;
  }
  .badge-cat{background:#FFEDE5;color:#B8431A}
  .badge-soft{background:#E4EFE8;color:var(--forest)}
  .badge-line{background:var(--white);color:var(--ink-2);border:1px solid var(--line)}
  .tag{
    display:inline-flex;align-items:center;padding:6px 13px;border-radius:999px;
    background:var(--sub);border:1px solid var(--line);color:var(--ink-2);font-size:13px;font-weight:600;
    transition:border-color .2s var(--ease),color .2s var(--ease);
  }
  .tag:hover{border-color:var(--forest);color:var(--forest)}

  /* ---------- Breadcrumb ---------- */
  .crumbs{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    padding:26px 0 0;font-size:13px;color:var(--ink-3);
  }
  .crumbs a{color:var(--ink-2);transition:color .2s var(--ease)}
  .crumbs a:hover{color:var(--forest)}
  .crumbs .sep{color:#C6C2B8}
  .crumbs .cur{color:var(--forest);font-weight:700}

  /* ---------- Article head ---------- */
  .article-head{padding:22px 0 0;max-width:900px}
  .article-head h1{
    font-size:clamp(28px,4.4vw,46px);font-weight:900;letter-spacing:-.02em;line-height:1.2;
    margin:18px 0 22px;color:var(--ink);
  }
  .meta-row{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
    padding-top:18px;border-top:1px solid var(--line);font-size:14px;color:var(--ink-3);
  }
  .meta-row .dot{width:6px;height:6px;border-radius:50%;background:var(--amber);display:inline-block;margin-right:8px;vertical-align:middle}

  /* ---------- Article body ---------- */
  .article-wrap{padding:34px 0 0}
  .prose{
    max-width:780px;margin:0 auto;font-size:17px;line-height:1.9;color:#222B27;text-align:left;
  }
  .prose > *:first-child{margin-top:0}
  .prose p{margin:0 0 1.15em}
  .prose h2{
    position:relative;margin:2em 0 .8em;padding-left:16px;
    font-size:clamp(21px,2.4vw,26px);font-weight:800;letter-spacing:-.01em;color:var(--ink);
  }
  .prose h2::before{
    content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
    background:var(--accent);border-radius:2px;
  }
  .prose h3{margin:1.7em 0 .6em;font-size:19px;font-weight:600;color:var(--ink)}
  .prose h4{margin:1.4em 0 .5em;font-size:17px;font-weight:700;color:var(--ink)}
  .prose a{color:var(--forest);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
  .prose a:hover{text-decoration-thickness:2px}
  .prose strong{font-weight:800;color:var(--ink)}
  .prose ul,.prose ol{margin:0 0 1.3em;padding:0}
  .prose ul li{position:relative;padding-left:22px;margin-bottom:.5em}
  .prose ul li::before{
    content:"";position:absolute;left:2px;top:.78em;width:7px;height:7px;
    background:var(--forest);border-radius:2px;
  }
  .prose ol{counter-reset:item}
  .prose ol li{position:relative;padding-left:30px;margin-bottom:.5em;counter-increment:item}
  .prose ol li::before{
    content:counter(item);position:absolute;left:0;top:.25em;
    font-size:13px;font-weight:800;color:var(--forest);
  }
  .prose blockquote{
    margin:1.6em 0;padding:18px 24px;background:var(--sub);
    border-left:3px solid var(--brand);border-radius:0 var(--radius) var(--radius) 0;
    color:var(--ink-2);font-size:16px;
  }
  .prose blockquote p:last-child{margin-bottom:0}
  .prose img{border-radius:var(--radius);margin:1.6em 0;border:1px solid var(--line)}
  .prose figure{margin:1.6em 0}
  .prose figure img{margin:0}
  .prose figcaption{margin-top:10px;font-size:13px;color:var(--ink-3);text-align:center;line-height:1.7}
  .prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
  .prose th,.prose td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
  .prose th{background:var(--sub);font-weight:700;color:var(--ink)}
  .prose code{background:var(--sub);padding:2px 6px;border-radius:4px;font-size:.92em}
  .prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}

  .empty-state{
    border:1px dashed var(--line);background:var(--white);border-radius:var(--radius);
    padding:56px 24px;text-align:center;
  }
  .empty-state .icon{
    width:52px;height:52px;margin:0 auto 18px;border-radius:12px;background:var(--sub);
    display:grid;place-items:center;color:var(--ink-3);
  }
  .empty-state p{color:var(--ink-2);font-size:16px;margin-bottom:20px}

  /* ---------- Article foot ---------- */
  .article-foot{max-width:780px;margin:0 auto;padding-top:40px}
  .foot-block{padding:26px 0;border-top:1px solid var(--line)}
  .foot-label{font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--ink-3);margin-bottom:14px}
  .tag-row{display:flex;flex-wrap:wrap;gap:8px}
  .back-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}

  /* ---------- Section head ---------- */
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px}
  .section-head h2{font-size:clamp(24px,3.2vw,36px);font-weight:900;letter-spacing:-.02em}
  .section-head .lead{margin-top:12px;color:var(--ink-2);font-size:16px;max-width:640px}
  .section-link{
    display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--forest);
    transition:gap .2s var(--ease);
  }
  .section-link:hover{gap:10px}

  /* ---------- Cards ---------- */
  .card-grid{display:grid;gap:24px;grid-template-columns:1fr}
  @media(min-width:768px){.card-grid{grid-template-columns:repeat(3,1fr)}}
  .card{
    display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);
    border-radius:var(--radius);overflow:hidden;box-shadow:var(--sh-1);
    transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
  }
  .card:hover{transform:translateY(-2px);border-color:var(--forest);box-shadow:var(--sh-2)}
  .card-media{aspect-ratio:16/9;background:var(--sub);overflow:hidden}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
  .card:hover .card-media img{transform:scale(1.03)}
  .card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
  .card-body h3{font-size:19px;font-weight:800;line-height:1.35;letter-spacing:-.01em}
  .card-body p{font-size:15px;color:var(--ink-2);line-height:1.75}
  .card-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3)}

  /* ---------- CTA band ---------- */
  .cta-band{
    background:var(--brand);color:var(--paper);border-radius:14px;
    padding:clamp(28px,4vw,52px);display:grid;gap:28px;grid-template-columns:1fr;
  }
  @media(min-width:900px){.cta-band{grid-template-columns:1.5fr 1fr;align-items:center}}
  .cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:900;color:var(--paper);letter-spacing:-.02em}
  .cta-band p{margin-top:14px;color:#A9B4AF;font-size:16px;line-height:1.8}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px}
  .cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
  .cta-points span{
    font-size:13px;font-weight:600;color:#D6DEDA;border:1px solid rgba(255,255,255,.18);
    border-radius:999px;padding:5px 12px;
  }

  /* ---------- Footer ---------- */
  .site-footer{position:relative;background:var(--brand);color:var(--paper);margin-top:clamp(64px,8vw,120px)}
  .site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--accent);opacity:.55}
  .footer-grid{display:grid;gap:40px;padding:62px 0 44px;grid-template-columns:1fr}
  @media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
  @media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr}}
  .site-footer .brand-mark{background:var(--accent);color:var(--brand)}
  .site-footer .brand-text b{color:var(--paper)}
  .site-footer .brand-text span{color:#7F8C87}
  .footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:#A9B4AF;max-width:380px}
  .footer-title{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--accent);margin-bottom:16px}
  .footer-links li{margin-bottom:2px}
  .footer-links a{display:inline-block;font-size:14px;line-height:2.1;color:#A9B4AF;transition:color .2s var(--ease)}
  .footer-links a:hover{color:var(--paper)}
  .footer-contact li{font-size:14px;color:#A9B4AF;margin-bottom:14px;line-height:1.7}
  .footer-contact b{display:block;font-size:12px;font-weight:700;letter-spacing:.08em;color:#7F8C87;margin-bottom:3px}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);padding:20px 0 34px;
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
    font-size:13px;color:#8B938E;
  }
  .to-top{
    display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:8px;
    background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);color:var(--paper);
    font-size:13px;font-weight:700;cursor:pointer;
    transition:background .2s var(--ease),border-color .2s var(--ease);
  }
  .to-top:hover{background:rgba(185,255,60,.14);border-color:var(--accent)}

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

/* roulang page: category1 */
:root{
  --brand:#0F1A17;
  --brand-2:#16241F;
  --accent:#B9FF3C;
  --forest:#2E6B4E;
  --amber:#FF7A45;
  --paper:#F6F4EF;
  --white:#FFFFFF;
  --sub:#EDEAE3;
  --line:#E2DED5;
  --ink:#141A18;
  --ink-2:#5A625E;
  --ink-3:#8B938E;
  --on-dark:#F6F4EF;
  --on-dark-2:#A9B4AF;
  --radius:10px;
  --radius-sm:8px;
  --shadow-1:0 1px 2px rgba(15,26,23,.04);
  --shadow-2:0 10px 30px rgba(15,26,23,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.15}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:26px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand-mark{
  width:36px;height:36px;border-radius:8px;background:var(--brand);color:var(--accent);
  display:grid;place-items:center;font-size:12.5px;font-weight:900;letter-spacing:.04em;
}
.brand-text b{display:block;font-size:16px;font-weight:800;letter-spacing:-.02em;line-height:1.25}
.brand-text span{display:block;font-size:10px;letter-spacing:.22em;color:var(--ink-3);margin-top:2px}
.main-nav{display:none;align-items:center;gap:26px}
@media(min-width:1024px){.main-nav{display:flex}}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--ink-2);padding:6px 0;
  transition:color .2s var(--ease);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;border-radius:2px;
  background:var(--forest);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink)}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.mega-wrap{position:relative;display:none}
@media(min-width:1024px){.mega-wrap{display:block}}
.mega-trigger{
  display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:700;color:var(--ink);
  padding:8px 14px;border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--white);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.mega-trigger:hover{border-color:var(--forest)}
.mega-trigger svg{transition:transform .2s var(--ease)}
.mega-wrap:hover .mega-trigger svg{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 10px);width:640px;padding:22px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-2);display:grid;grid-template-columns:1.05fr 1fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(8px);z-index:70;
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--ink-3)}
.mega-list{margin-top:12px;display:flex;flex-direction:column;gap:2px}
.mega-link{display:flex;gap:10px;align-items:flex-start;padding:10px;border-radius:var(--radius-sm);transition:background .2s var(--ease)}
.mega-link:hover{background:var(--sub)}
.mega-dot{width:8px;height:8px;border-radius:2px;background:var(--forest);margin-top:9px;flex:none}
.mega-link b{display:block;font-size:14.5px;font-weight:700;line-height:1.5}
.mega-link small{display:block;font-size:12.5px;color:var(--ink-3);line-height:1.6}
.mega-card{background:var(--sub);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.mega-card h4{font-size:15px}
.mega-card p{font-size:13px;color:var(--ink-2);margin-top:8px}
.menu-btn{
  display:inline-grid;place-items:center;width:42px;height:42px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:var(--white);color:var(--ink);
}
@media(min-width:1024px){.menu-btn{display:none}}
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--paper);padding:22px 20px 32px;
  display:flex;flex-direction:column;gap:4px;overflow-y:auto;
  transform:translateY(-100%);transition:transform .32s var(--ease);
}
.drawer.open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-link{font-size:21px;font-weight:800;padding:15px 0;border-bottom:1px solid var(--line);letter-spacing:-.01em}
.drawer-link.active{color:var(--forest)}
.drawer-foot{margin-top:auto;padding-top:26px;display:flex;flex-direction:column;gap:12px}

/* ---------- buttons / badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-sm);padding:12px 22px;font-size:15px;font-weight:700;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--brand);color:var(--paper);border:1px solid var(--brand)}
.btn-primary:hover{background:var(--brand-2);border-color:var(--brand-2);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border:1px solid rgba(246,244,239,.45);color:var(--on-dark)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.btn-ghost-dark{background:transparent;border:1px solid var(--ink);color:var(--ink)}
.btn-ghost-dark:hover{border-color:var(--forest);color:var(--forest);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:var(--brand);border:1px solid var(--accent)}
.btn-accent:hover{background:#a8ef24;border-color:#a8ef24;transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:15px;color:var(--forest)}
.text-link svg{transition:transform .24s var(--ease)}
.text-link:hover svg{transform:translateX(4px)}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;
  padding:4px 10px;border-radius:999px;background:var(--sub);color:var(--ink-2);border:1px solid var(--line);
}
.badge-amber{background:rgba(255,122,69,.12);color:#B4431B;border-color:rgba(255,122,69,.26)}
.badge-forest{background:rgba(46,107,78,.10);color:var(--forest);border-color:rgba(46,107,78,.22)}
.badge-accent{background:rgba(185,255,60,.12);color:var(--accent);border-color:rgba(185,255,60,.32)}

/* ---------- hero ---------- */
.hero{
  position:relative;color:var(--on-dark);
  background-image:linear-gradient(115deg,rgba(15,26,23,.95) 0%,rgba(15,26,23,.86) 46%,rgba(15,26,23,.68) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero-inner{padding:clamp(46px,6vw,86px) 0 clamp(52px,7vw,96px)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--on-dark-2)}
.crumb a{transition:color .2s var(--ease)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:rgba(169,180,175,.6)}
.crumb .current{color:var(--on-dark)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-top:22px;padding:6px 13px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.06em;color:var(--accent);
  border:1px solid rgba(185,255,60,.34);background:rgba(185,255,60,.08);
}
.hero-grid{display:grid;gap:44px;margin-top:26px}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}}
.hero-title{font-size:clamp(34px,6vw,64px);font-weight:900}
.hero-title .sub{
  display:block;margin-top:16px;font-size:clamp(15px,1.7vw,19px);font-weight:600;
  letter-spacing:0;line-height:1.7;color:var(--on-dark-2);
}
.hero-lead{margin-top:22px;max-width:610px;font-size:16.5px;line-height:1.9;color:#D6DDD8}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:14px 40px;margin-top:38px;padding-top:22px;
  border-top:1px solid rgba(246,244,239,.14);
}
.hero-metric b{
  display:block;font-size:22px;font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;line-height:1.3;
}
.hero-metric span{display:block;font-size:13px;color:var(--on-dark-2);margin-top:2px}
.quick-card{background:var(--paper);color:var(--ink);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-2)}
.quick-card h2{font-size:19px}
.quick-card .quick-sub{margin-top:8px;font-size:14px;color:var(--ink-2)}
.quick-list{margin-top:18px;border-top:1px solid var(--line)}
.quick-list li{display:flex;gap:11px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--ink-2)}
.quick-list li b{color:var(--ink);font-weight:700}
.quick-dot{width:8px;height:8px;border-radius:2px;background:var(--amber);margin-top:10px;flex:none}
.quick-card .btn{margin-top:20px;width:100%}

/* ---------- stats band ---------- */
.stats{background:var(--paper);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr)}
@media(min-width:768px){.stats-grid{grid-template-columns:repeat(4,1fr)}}
.stat{padding:30px 22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat:nth-child(2n){border-right:0}
@media(min-width:768px){
  .stat:nth-child(2n){border-right:1px solid var(--line)}
  .stat:last-child{border-right:0}
}
.stat-num{font-size:clamp(28px,3.4vw,40px);font-weight:800;line-height:1;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.stat-num em{font-style:normal;font-size:.46em;font-weight:700;color:var(--ink-3);margin-left:3px}
.stat-label{margin-top:10px;font-size:14px;color:var(--ink-2)}

/* ---------- sections ---------- */
.section{padding:clamp(62px,8vw,110px) 0}
.section-head{max-width:740px;margin-bottom:clamp(30px,4vw,50px)}
.section-eyebrow{font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--forest)}
.section-title{font-size:clamp(26px,3.4vw,40px);margin-top:12px}
.section-desc{margin-top:14px;color:var(--ink-2);font-size:16px}

/* steps */
.steps{margin-top:6px;border-top:1px solid var(--line)}
.step{
  display:grid;grid-template-columns:auto 1fr;gap:18px;padding:30px 12px;margin:0 -12px;
  border-bottom:1px solid var(--line);transition:background .2s var(--ease);
}
.step:hover{background:var(--sub)}
.step-num{
  font-size:clamp(36px,4.6vw,56px);font-weight:900;line-height:.95;letter-spacing:-.04em;
  color:rgba(15,26,23,.16);font-variant-numeric:tabular-nums;min-width:74px;
}
.step h3{font-size:20px}
.step p{margin-top:10px;font-size:15.5px;color:var(--ink-2);max-width:720px}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
@media(max-width:519px){
  .step{grid-template-columns:1fr;gap:6px}
  .step-num{font-size:34px;min-width:0}
}

/* split */
.split{display:grid;gap:34px}
@media(min-width:1024px){.split{grid-template-columns:1.22fr .88fr;gap:56px;align-items:start}}
.prose p{font-size:16.5px;color:var(--ink-2)}
.prose p+p{margin-top:16px}
.prose strong{color:var(--ink);font-weight:700}
.prose .media{margin-top:26px}
.side-card{background:var(--sub);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.side-card h3{font-size:18px}
.side-card .lead{margin-top:10px;font-size:14.5px;color:var(--ink-2)}
.check-list{margin-top:16px}
.check-list li{position:relative;padding-left:22px;margin-top:14px;font-size:14.5px;color:var(--ink-2)}
.check-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--forest)}
.check-list li b{color:var(--ink);display:block;font-weight:700;font-size:15px}
.media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--sub)}
.media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease)}
.media:hover img{transform:scale(1.03)}
.media-cap{margin-top:10px;font-size:13px;color:var(--ink-3)}

/* faq */
.faq{margin-top:6px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);border-left:4px solid transparent;transition:border-color .2s var(--ease),background .2s var(--ease)}
.faq-item[open]{border-left-color:var(--accent);background:var(--white)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 20px;font-size:17px;font-weight:700;letter-spacing:-.01em;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--forest)}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:999px;border:1px solid var(--line);background:var(--paper);
  display:grid;place-items:center;transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);border-color:var(--forest)}
.faq-body{padding:0 20px 24px;font-size:15.5px;color:var(--ink-2);max-width:840px}

/* cta */
.cta-band{
  background-image:linear-gradient(120deg,rgba(15,26,23,.97),rgba(22,36,31,.94)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  color:var(--on-dark);border-radius:var(--radius);padding:clamp(32px,5vw,56px);
  display:grid;gap:28px;
}
@media(min-width:1024px){.cta-band{grid-template-columns:1.28fr .72fr;align-items:center}}
.cta-band h2{font-size:clamp(24px,3vw,34px)}
.cta-band p{margin-top:14px;font-size:15.5px;color:var(--on-dark-2);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
@media(min-width:1024px){.cta-actions{justify-content:flex-end}}
.cta-note{margin-top:16px;font-size:13.5px;color:var(--on-dark-2);font-variant-numeric:tabular-nums}

/* footer */
.site-footer{
  background:var(--brand);color:var(--on-dark);border-top:2px solid var(--accent);margin-top:clamp(60px,8vw,110px);
}
.footer-grid{
  display:grid;gap:34px;padding:clamp(44px,6vw,68px) 0 34px;
  grid-template-columns:1fr;
}
@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 1.1fr;gap:44px}}
.footer-brand .brand-mark{background:var(--accent);color:var(--brand)}
.footer-brand .brand-text b{color:var(--on-dark)}
.footer-brand .brand-text span{color:var(--on-dark-2)}
.footer-brand p{margin-top:18px;font-size:14.5px;color:var(--on-dark-2);max-width:340px}
.footer-title{font-size:12.5px;font-weight:800;letter-spacing:.14em;color:var(--on-dark-2)}
.footer-links{margin-top:16px;display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14.5px;color:var(--on-dark);opacity:.86;transition:color .2s var(--ease),opacity .2s var(--ease)}
.footer-links a:hover{color:var(--accent);opacity:1}
.footer-contact{margin-top:16px;display:flex;flex-direction:column;gap:12px;font-size:14.5px;color:var(--on-dark-2)}
.footer-contact b{display:block;font-size:12.5px;letter-spacing:.1em;color:var(--on-dark-2);font-weight:700}
.footer-contact li{color:var(--on-dark)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  padding:20px 0 34px;border-top:1px solid rgba(246,244,239,.14);
  font-size:13px;color:var(--on-dark-2);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--on-dark);
  padding:8px 14px;border-radius:999px;border:1px solid rgba(246,244,239,.22);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.to-top:hover{border-color:var(--accent);color:var(--accent)}

@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --brand:#0F1A17;
  --brand-2:#16241F;
  --accent:#B9FF3C;
  --green:#2E6B4E;
  --amber:#FF7A45;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --sub:#EDEAE3;
  --line:#E2DED5;
  --ink:#141A18;
  --ink-2:#5A625E;
  --ink-3:#8B938E;
  --radius:10px;
  --radius-btn:8px;
  --shadow:0 1px 2px rgba(15,26,23,.04);
  --shadow-h:0 10px 30px rgba(15,26,23,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.15;font-weight:800}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 28px}}
@media (min-width:1280px){.container{padding:0 32px}}

/* ---------- 品牌标 ---------- */
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:9px;background:var(--brand);color:var(--accent);
  display:grid;place-items:center;font-size:12.5px;font-weight:800;letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-text b{font-size:16px;font-weight:800;letter-spacing:-.01em}
.brand-text span{font-size:10.5px;letter-spacing:.18em;color:var(--ink-3)}

/* ---------- 页头导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:72px}
.main-nav{display:none;align-items:center;gap:2px}
@media (min-width:1024px){.main-nav{display:flex;margin-left:10px}}
.nav-link{
  position:relative;padding:9px 14px;border-radius:8px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:color .2s var(--ease),background .2s var(--ease);
  white-space:nowrap;
}
.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 .24s var(--ease);
}
.nav-link:hover{color:var(--ink);background:rgba(15,26,23,.05)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink);background:var(--sub);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}

/* Mega 面板 */
.mega-wrap{position:relative;display:none}
@media (min-width:1024px){.mega-wrap{display:block}}
.mega-btn{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 15px;border-radius:var(--radius-btn);
  background:transparent;border:1px solid rgba(15,26,23,.22);
  font-size:14.5px;font-weight:600;color:var(--ink);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.mega-btn:hover{border-color:var(--accent);background:#fff}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:660px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-h);padding:22px;
  display:grid;grid-template-columns:1.1fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12.5px;letter-spacing:.14em;color:var(--ink-3);font-weight:700;margin-bottom:12px}
.mega-list li{margin-bottom:10px}
.mega-list a{display:block;padding:9px 12px;border-radius:8px;border:1px solid transparent;transition:background .2s var(--ease),border-color .2s var(--ease)}
.mega-list a:hover{background:var(--paper);border-color:var(--line)}
.mega-list b{display:block;font-size:14.5px;font-weight:700}
.mega-list span{font-size:13px;color:var(--ink-3)}
.mega-card{
  background:var(--brand);color:var(--paper);border-radius:var(--radius);
  padding:18px;display:flex;flex-direction:column;gap:10px;
}
.mega-card b{font-size:15.5px;font-weight:800}
.mega-card p{font-size:13.5px;color:#A9B4AF;line-height:1.7}
.mega-card a{color:var(--accent);font-size:14px;font-weight:700}
.mega-card a:hover{text-decoration:underline}

/* 汉堡与抽屉 */
.menu-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--radius-btn);
  background:var(--brand);color:var(--paper);border:1px solid transparent;
  transition:background .2s var(--ease);
}
.menu-btn:hover{background:var(--brand-2)}
@media (min-width:1024px){.menu-btn{display:none}}
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--paper);
  transform:translateX(100%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:22px 20px 32px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{
  width:42px;height:42px;border-radius:var(--radius-btn);border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;color:var(--ink);
}
.drawer-nav a{
  display:block;font-size:22px;font-weight:800;padding:16px 4px;
  border-bottom:1px solid var(--line);letter-spacing:-.02em;
}
.drawer-nav a.active{color:var(--green)}
.drawer-cta{margin-top:auto;padding-top:32px;display:flex;flex-direction:column;gap:12px}
.drawer-info{font-size:13.5px;color:var(--ink-3);margin-top:16px;line-height:1.8}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:700;border:1px solid transparent;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--brand);color:var(--paper)}
.btn-primary:hover{background:var(--brand-2);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);background:#0A1411}
.btn-accent{background:var(--accent);color:var(--brand)}
.btn-accent:hover{background:#A8F02C;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(15,26,23,.25);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent);background:rgba(185,255,60,.10);transform:translateY(-1px)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--green);
  font-size:15px;border-bottom:1px solid transparent;
}
.btn-link svg{transition:transform .24s var(--ease)}
.btn-link:hover svg{transform:translateX(4px)}
.btn-link:hover{border-bottom-color:var(--green)}

/* ---------- 通用区块 ---------- */
.section{padding:clamp(60px,7.5vw,104px) 0}
.section-tight{padding:clamp(44px,5vw,68px) 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.16em;
  color:var(--green);margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--accent);border-radius:2px}
.section-head{max-width:760px;margin-bottom:clamp(28px,3.5vw,44px)}
.section-head h2{font-size:clamp(26px,3.4vw,40px);font-weight:900;margin-bottom:14px}
.section-head p{color:var(--ink-2);font-size:16.5px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .eyebrow{justify-content:center}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(15,26,23,.05) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(15,26,23,.05) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 20%,#000 10%,transparent 72%);
  mask-image:radial-gradient(ellipse at 50% 20%,#000 10%,transparent 72%);
}
.page-hero::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent);
}
.hero-inner{position:relative;z-index:1;padding:clamp(48px,6.5vw,88px) 0 clamp(44px,5.5vw,72px);text-align:center}
.breadcrumb{font-size:13.5px;color:var(--ink-3);margin-bottom:22px}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb .sep{margin:0 8px;color:#C6C1B6}
.breadcrumb .current{color:var(--green);font-weight:600}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:24px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
}
.badge-green{background:rgba(46,107,78,.10);border-color:rgba(46,107,78,.18);color:var(--green)}
.badge-amber{background:rgba(255,122,69,.13);border-color:rgba(255,122,69,.24);color:#C24E1C}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--amber)}
.page-hero h1{font-size:clamp(32px,5.2vw,56px);font-weight:900;margin-bottom:20px}
.hero-lead{max-width:760px;margin:0 auto;color:var(--ink-2);font-size:17px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:32px}
.hero-note{margin-top:22px;font-size:13.5px;color:var(--ink-3)}
.hero-note b{color:var(--ink-2);font-variant-numeric:tabular-nums}

/* ---------- 深色数据带 ---------- */
.stat-band{background:var(--brand);color:var(--paper);padding:clamp(40px,5vw,60px) 0}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px 20px}
@media (min-width:768px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat-item{border-left:1px solid rgba(246,244,239,.18);padding-left:20px}
.stat-item b{
  display:block;font-size:clamp(30px,4vw,46px);font-weight:800;
  color:var(--accent);line-height:1.08;font-variant-numeric:tabular-nums;
}
.stat-item span{display:block;margin-top:8px;font-size:14px;color:#A9B4AF}

/* ---------- 卡片 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:var(--shadow-h)}
.card-body{padding:24px}
.card-body h3{font-size:19px;font-weight:800;margin-bottom:10px}
.card-body p{color:var(--ink-2);font-size:15px}
.thumb{aspect-ratio:16/9;overflow:hidden;background:var(--sub);position:relative}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card:hover .thumb img{transform:scale(1.03)}
.thumb-tag{
  position:absolute;left:12px;top:12px;padding:5px 11px;border-radius:999px;
  background:rgba(255,122,69,.92);color:#fff;font-size:12px;font-weight:700;
}

/* ---------- Bento ---------- */
.bento{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:768px){.bento{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.bento{grid-template-columns:repeat(6,1fr)}}
.bento-lg{grid-column:1/-1}
.bento-sm{grid-column:1/-1}
@media (min-width:768px){
  .bento-lg{grid-column:span 2}
  .bento-sm{grid-column:span 1}
}
@media (min-width:1024px){
  .bento-lg{grid-column:span 3}
  .bento-sm{grid-column:span 2}
}
.bento-sm .card-body{padding:22px}
.icon-box{
  width:40px;height:40px;border-radius:9px;background:var(--sub);
  display:grid;place-items:center;color:var(--green);margin-bottom:14px;
}
.point-list{margin-top:16px}
.point-list li{
  position:relative;padding-left:18px;margin-bottom:11px;
  font-size:15px;color:var(--ink-2);line-height:1.75;
}
.point-list li:last-child{margin-bottom:0}
.point-list li::before{
  content:"";position:absolute;left:0;top:9px;width:3px;height:15px;
  background:var(--green);border-radius:2px;
}
.point-list.accent li::before{background:var(--amber)}

/* ---------- 对照表 ---------- */
.table-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);
}
table.adapt-table{width:100%;min-width:820px}
.adapt-table th,.adapt-table td{
  padding:15px 18px;text-align:left;font-size:14.8px;
  border-bottom:1px solid var(--line);vertical-align:top;
}
.adapt-table thead th{
  background:var(--sub);font-weight:700;color:var(--ink);
  font-size:14px;letter-spacing:.02em;white-space:nowrap;
}
.adapt-table tbody tr:last-child td{border-bottom:none}
.adapt-table tbody tr{transition:background .2s var(--ease)}
.adapt-table tbody tr:hover{background:#FAF8F3}
.adapt-table td:first-child{font-weight:700;color:var(--ink)}
.adapt-table td{color:var(--ink-2)}
.tag{
  display:inline-block;padding:3px 10px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:rgba(46,107,78,.10);color:var(--green);
  margin:0 6px 6px 0;
}
.tag-amber{background:rgba(255,122,69,.13);color:#C24E1C}
.table-note{margin-top:14px;font-size:13.5px;color:var(--ink-3)}

/* ---------- 交替图文 ---------- */
.split{display:grid;gap:30px;align-items:center}
@media (min-width:1024px){.split{grid-template-columns:1fr 1fr;gap:56px}}
.split-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:4/3}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.split-media:hover img{transform:scale(1.03)}
@media (min-width:1024px){
  .split-reverse .split-media{order:2}
  .split-reverse .split-text{order:1}
}
.split-text h3{font-size:clamp(22px,2.6vw,30px);font-weight:900;margin-bottom:14px}
.split-text>p{color:var(--ink-2);margin-bottom:16px}
.split-stack{display:grid;gap:clamp(56px,7vw,96px)}

/* ---------- 入口卡 ---------- */
.entry-grid{display:grid;gap:20px}
@media (min-width:768px){.entry-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.entry-grid{grid-template-columns:repeat(3,1fr)}}
.entry-card .card-body{display:flex;flex-direction:column;gap:12px}
.entry-card .card-body p{flex:1}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item:hover{border-color:#CFC9BC}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 24px;font-weight:700;font-size:16.5px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex-shrink:0;width:16px;height:16px;
  background-image:linear-gradient(var(--ink-2),var(--ink-2)),linear-gradient(var(--ink-2),var(--ink-2));
  background-size:100% 2px,2px 100%;
  background-position:center,center;background-repeat:no-repeat;
  transition:transform .25s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open]{border-color:rgba(46,107,78,.35)}
.faq-item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent)}
.faq-answer{padding:0 24px 22px;color:var(--ink-2);font-size:15.5px;line-height:1.85}

/* ---------- CTA 横条 ---------- */
.cta-band{
  background:var(--sub);border:1px solid var(--line);border-radius:16px;
  padding:clamp(26px,3.4vw,40px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
}
.cta-band h2{font-size:clamp(21px,2.6vw,28px);font-weight:900;margin-bottom:8px}
.cta-band p{color:var(--ink-2);font-size:15.5px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-dark{
  background:var(--brand);color:var(--paper);border-radius:16px;
  padding:clamp(28px,3.6vw,44px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  border-top:3px solid var(--accent);
}
.cta-dark h2{font-size:clamp(21px,2.6vw,28px);font-weight:900;margin-bottom:8px;color:#fff}
.cta-dark p{color:#A9B4AF;font-size:15.5px;max-width:620px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand);color:#F6F4EF;border-top:3px solid var(--accent);
  margin-top:clamp(64px,8vw,110px);
}
.footer-grid{display:grid;gap:34px;padding:clamp(46px,5.5vw,72px) 0 36px}
@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 1.1fr;gap:40px}}
.site-footer .brand-text b{color:#fff}
.site-footer .brand-text span{color:#8E9A95}
.site-footer .brand-mark{background:var(--accent);color:var(--brand)}
.footer-brand p{margin-top:16px;font-size:14.5px;color:#A9B4AF;max-width:340px;line-height:1.8}
.footer-title{font-size:12.5px;letter-spacing:.14em;color:#8E9A95;font-weight:700;margin-bottom:16px}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14.5px;color:#DDE3E0;transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--accent)}
.footer-contact li{font-size:14.5px;color:#DDE3E0;margin-bottom:12px;display:flex;gap:10px;flex-wrap:wrap}
.footer-contact b{color:#8E9A95;font-weight:600;min-width:60px}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  border-top:1px solid rgba(246,244,239,.12);padding:20px 0 26px;
  font-size:13.5px;color:#8E9A95;
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--radius-btn);
  background:transparent;border:1px solid rgba(246,244,239,.22);color:#F6F4EF;
  font-size:13.5px;font-weight:600;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.to-top:hover{border-color:var(--accent);color:var(--accent);background:rgba(185,255,60,.08)}

/* ---------- 动效 ---------- */
html.anim .reveal{opacity:0;transform:translateY(10px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
html.anim .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
  html.anim .reveal{opacity:1;transform:none}
}