/* roulang page: index */
:root{
  --c-primary:#0E4A3F;
  --c-primary-light:#17715E;
  --c-primary-08:rgba(14,74,63,.08);
  --c-primary-12:rgba(14,74,63,.12);
  --c-primary-40:rgba(14,74,63,.4);
  --c-lime:#B6E23E;
  --c-bg:#F6F7F4;
  --c-surface:#FFFFFF;
  --c-dark:#0B0F0E;
  --c-line:#E2E6E1;
  --c-text:#151A19;
  --c-muted:#5A6664;
  --c-danger:#B4432F;
  --radius-sm:10px;
  --radius-md:14px;
  --radius-lg:20px;
  --shadow-1:0 1px 2px rgba(11,15,14,.06);
  --shadow-2:0 12px 32px -12px rgba(11,15,14,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t-micro:160ms;
  --t-card:220ms;
  --t-block:320ms;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -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,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}
::selection{background:var(--c-lime);color:var(--c-dark);}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px;}}
@media (min-width:1024px){.container{padding-left:40px;padding-right:40px;}}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:transform var(--t-micro) var(--ease),background-color var(--t-micro) var(--ease),border-color var(--t-micro) var(--ease),color var(--t-micro) var(--ease),box-shadow var(--t-micro) var(--ease);
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--c-lime);color:var(--c-dark);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-outline{background:var(--c-surface);color:var(--c-text);border-color:var(--c-line);}
.btn-outline:hover{border-color:var(--c-primary-40);color:var(--c-primary);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--c-primary);padding:0 4px;height:auto;}
.btn-ghost:hover{color:var(--c-primary-light);}
.btn-invert{background:#F6F7F4;color:var(--c-dark);}
.btn-invert:hover{background:var(--c-lime);color:var(--c-dark);transform:translateY(-1px);}
.btn-lime{background:var(--c-lime);color:var(--c-dark);}
.btn-lime:hover{background:#c8ef5b;transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn[disabled],.btn:disabled{opacity:.4;cursor:not-allowed;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  background:var(--c-primary-08);color:var(--c-primary);
}
.badge-light{background:rgba(255,255,255,.1);color:#fff;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--c-primary);text-transform:none;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--c-lime);display:inline-block;}

.section{padding-top:56px;padding-bottom:56px;}
@media (min-width:768px){.section{padding-top:80px;padding-bottom:80px;}}
@media (min-width:1024px){.section{padding-top:112px;padding-bottom:112px;}}

.section-head{display:flex;flex-direction:column;gap:14px;max-width:720px;}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.2;font-weight:600;letter-spacing:-.01em;}
.section-head p{color:var(--c-muted);font-size:16px;line-height:1.8;}
.section-title-bar{position:relative;padding-left:16px;}
.section-title-bar::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--c-primary);}

.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-1);transition:transform var(--t-card) var(--ease),box-shadow var(--t-card) var(--ease),border-color var(--t-card) var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--c-primary-40);}

/* 链接下划线展开 */
.link-underline{position:relative;display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:15px;}
.link-underline::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;background:var(--c-lime);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t-micro) var(--ease);
}
.link-underline:hover::after{transform:scaleX(1);}
.link-underline svg{transition:transform var(--t-micro) var(--ease);}
.link-underline:hover svg{transform:translateX(3px);}

/* 入场动画 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity var(--t-block) var(--ease),transform var(--t-block) var(--ease);}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;padding:12px 0;
  background:rgba(246,247,244,.96);
  transition:padding var(--t-micro) var(--ease);
}
.nav-panel{
  display:flex;align-items:center;gap:16px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:16px;padding:10px 12px;box-shadow:var(--shadow-1);
  transition:box-shadow var(--t-micro) var(--ease),padding var(--t-micro) var(--ease);
}
.site-header.is-scrolled{padding:8px 0;}
.site-header.is-scrolled .nav-panel{box-shadow:var(--shadow-2);}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.01em;white-space:nowrap;}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:var(--c-primary);position:relative;flex:none;
}
.brand-mark::before{
  content:"";position:absolute;right:-1px;bottom:-1px;width:14px;height:14px;
  background:var(--c-lime);border-radius:3px 0 8px 0;
}
.brand-mark::after{
  content:"";position:absolute;left:6px;top:7px;width:12px;height:2px;background:rgba(255,255,255,.85);
  box-shadow:0 5px 0 rgba(255,255,255,.55);
}
.nav-links{display:none;align-items:center;gap:8px;flex:1;justify-content:center;}
@media (min-width:1024px){.nav-links{display:flex;}}
.nav-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 12px;border-radius:var(--radius-sm);
  background:var(--c-bg);border:1px solid var(--c-line);
  font-size:14px;font-weight:500;color:var(--c-text);white-space:nowrap;
  transition:background-color var(--t-micro) var(--ease),color var(--t-micro) var(--ease),border-color var(--t-micro) var(--ease);
}
.nav-chip svg{color:var(--c-muted);transition:color var(--t-micro) var(--ease);}
.nav-chip:hover{background:var(--c-primary-08);border-color:var(--c-primary-40);color:var(--c-primary);}
.nav-chip:hover svg{color:var(--c-primary);}
.nav-chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.nav-chip.is-active svg{color:#fff;}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:auto;}
@media (min-width:1024px){.nav-actions{margin-left:0;}}
.nav-cta{display:none;}
@media (min-width:768px){.nav-cta{display:inline-flex;}}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--radius-sm);
  background:var(--c-bg);border:1px solid var(--c-line);cursor:pointer;
  transition:background-color var(--t-micro) var(--ease);
}
.nav-toggle:hover{background:var(--c-primary-08);}
@media (min-width:1024px){.nav-toggle{display:none;}}
.nav-drawer{
  display:none;margin-top:10px;padding:14px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;box-shadow:var(--shadow-2);
}
.nav-drawer.is-open{display:block;animation:drawerIn var(--t-block) var(--ease);}
@keyframes drawerIn{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
.drawer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
.drawer-grid .nav-chip{justify-content:flex-start;padding:12px;}
.drawer-cta{margin-top:12px;}
.drawer-cta .btn{width:100%;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;padding:72px 0;
  background-color:var(--c-bg);
  background-image:linear-gradient(to right,rgba(14,74,63,.04) 1px,transparent 1px),linear-gradient(to bottom,rgba(14,74,63,.04) 1px,transparent 1px);
  background-size:64px 64px;
}
.hero::after{
  content:"";position:absolute;top:-140px;right:-140px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,74,63,.06),rgba(14,74,63,0) 70%);
  pointer-events:none;
}
@media (min-width:1024px){.hero{padding:128px 0;}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;position:relative;z-index:1;}
@media (min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:56px;}}
.hero h1{
  font-size:clamp(2rem,4.6vw,3.5rem);line-height:1.15;font-weight:700;letter-spacing:-.01em;margin-top:16px;
}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.9;color:var(--c-muted);max-width:560px;}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:12px;}
.hero-metrics{margin-top:24px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-muted);}
.hero-metrics span.dot{width:4px;height:4px;border-radius:50%;background:var(--c-primary-40);display:inline-block;}
.hero-visual{position:relative;}
.hero-visual::before{
  content:"";position:absolute;inset:18px -18px -18px 18px;border:1px solid var(--c-primary-12);
  border-radius:var(--radius-lg);pointer-events:none;
}
.hero-visual img{
  position:relative;width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--radius-lg);border:1px solid var(--c-line);box-shadow:var(--shadow-2);background:var(--c-primary-08);
}
.hero-visual .fallback-note{
  position:absolute;inset:0;display:none;align-items:center;justify-content:center;
  border-radius:var(--radius-lg);background:rgba(14,74,63,.08);color:var(--c-primary);font-weight:700;letter-spacing:.06em;
}

/* ============ 信任条 ============ */
.trust-bar{border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);background:var(--c-surface);}
.trust-track{
  display:flex;align-items:center;gap:32px;overflow-x:auto;padding:18px 0;
  scrollbar-width:none;-ms-overflow-style:none;
}
.trust-track::-webkit-scrollbar{display:none;}
.trust-item{
  flex:none;font-size:14px;font-weight:500;color:var(--c-muted);opacity:.6;
  transition:opacity var(--t-micro) var(--ease),color var(--t-micro) var(--ease);white-space:nowrap;
}
.trust-item:hover{opacity:1;color:var(--c-primary);}

/* ============ 痛点 ============ */
.pain-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:36px;}
@media (min-width:640px){.pain-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.pain-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
.pain-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius-md);padding:22px 20px 22px 24px;box-shadow:var(--shadow-1);
  transition:transform var(--t-card) var(--ease),box-shadow var(--t-card) var(--ease),border-color var(--t-card) var(--ease);
}
.pain-card::before{content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:0 3px 3px 0;background:var(--c-primary);}
.pain-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--c-primary-40);}
.pain-card h3{font-size:1.0625rem;line-height:1.35;font-weight:600;}
.pain-card p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--c-muted);}

/* ============ 解决方案 ============ */
.solution-wrap{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:1024px){.solution-wrap{grid-template-columns:4fr 8fr;gap:56px;}}
.solution-side{position:static;}
@media (min-width:1024px){.solution-side{position:sticky;top:120px;align-self:start;}}
.solution-side p{margin-top:16px;color:var(--c-muted);font-size:16px;line-height:1.8;}
.solution-list{margin-top:24px;display:flex;flex-direction:column;gap:6px;}
.solution-list a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);
  font-size:14px;font-weight:600;color:var(--c-muted);border:1px solid transparent;
  transition:background-color var(--t-micro) var(--ease),color var(--t-micro) var(--ease),border-color var(--t-micro) var(--ease);
}
.solution-list a:hover{background:var(--c-primary-08);color:var(--c-primary);border-color:var(--c-primary-12);}
.solution-list .idx{font-variant-numeric:tabular-nums;color:var(--c-lime);font-weight:700;filter:brightness(.85);}
.solution-cards{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){.solution-cards{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.solution-cards > :nth-child(even){margin-top:32px;}}
.sol-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-md);
  padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform var(--t-card) var(--ease),box-shadow var(--t-card) var(--ease),border-color var(--t-card) var(--ease);
}
.sol-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--c-primary-40);}
.sol-card .num-idx{font-variant-numeric:tabular-nums;font-size:13px;font-weight:700;color:var(--c-lime);filter:brightness(.85);letter-spacing:.06em;}
.sol-card h3{margin-top:10px;font-size:1.1875rem;line-height:1.35;font-weight:600;}
.sol-card p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--c-muted);}
.sol-card .link-underline{margin-top:16px;}

/* ============ 数据区 ============ */
.stats-section{background:var(--c-dark);padding:56px 0;}
@media (min-width:1024px){.stats-section{padding:88px 0;}}
.stats-head{max-width:640px;}
.stats-head h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.2;font-weight:600;letter-spacing:-.01em;}
.stats-head p{margin-top:12px;color:rgba(255,255,255,.62);font-size:15px;line-height:1.8;}
.stats-grid{margin-top:40px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--c-primary-40);border-radius:var(--radius-md);overflow:hidden;}
@media (min-width:1024px){.stats-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
.stat-item{background:var(--c-dark);padding:28px 22px;}
.stat-num{font-size:clamp(2.25rem,5vw,3.5rem);font-weight:700;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
.stat-num em{font-style:normal;color:var(--c-lime);}
.stat-label{margin-top:12px;font-size:13px;letter-spacing:.06em;color:rgba(255,255,255,.6);}
.stat-desc{margin-top:8px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.45);}

/* ============ 证言 ============ */
.voice-grid{display:grid;grid-template-columns:1fr;gap:24px;margin-top:40px;}
@media (min-width:1024px){.voice-grid{grid-template-columns:7fr 5fr;}}
.voice-col{display:grid;grid-template-columns:1fr;gap:24px;}
.quote-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius-lg);padding:32px 28px;box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform var(--t-card) var(--ease),box-shadow var(--t-card) var(--ease),border-color var(--t-card) var(--ease);
}
.quote-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--c-primary-40);}
.quote-card::before{
  content:"“";position:absolute;top:6px;right:22px;font-size:96px;line-height:1;
  color:rgba(14,74,63,.2);font-family:Georgia,serif;pointer-events:none;
}
.quote-card blockquote{position:relative;font-size:16px;line-height:1.9;color:var(--c-text);}
.quote-card.lead blockquote{font-size:18px;}
.quote-meta{display:flex;align-items:center;gap:12px;margin-top:24px;padding-top:20px;border-top:1px solid var(--c-line);}
.quote-avatar{width:40px;height:40px;border-radius:50%;object-fit:cover;flex:none;background:var(--c-primary-08);}
.quote-name{font-size:15px;font-weight:600;line-height:1.3;}
.quote-role{font-size:13px;color:var(--c-muted);}

/* ============ 资讯列表 ============ */
.news-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;}
.news-grid{margin-top:36px;display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:640px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-1);
  transition:transform var(--t-card) var(--ease),box-shadow var(--t-card) var(--ease),border-color var(--t-card) var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--c-primary-40);}
.news-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--c-primary-08);}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-card) var(--ease);}
.news-card:hover .news-media img{transform:scale(1.04);}
.news-media .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1;gap:10px;}
.news-title{
  font-size:1.0625rem;line-height:1.45;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--t-micro) var(--ease);
}
.news-card:hover .news-title{color:var(--c-primary);}
.news-summary{
  font-size:15px;line-height:1.8;color:var(--c-muted);flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{display:flex;align-items:center;justify-content:space-between;padding-top:10px;border-top:1px solid var(--c-line);font-size:12px;color:var(--c-muted);font-variant-numeric:tabular-nums;}
.news-foot svg{transition:transform var(--t-micro) var(--ease);color:var(--c-primary);}
.news-card:hover .news-foot svg{transform:translateX(3px);}
.empty-card{
  margin-top:36px;min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  border:1px dashed var(--c-line);border-radius:var(--radius-md);background:var(--c-surface);text-align:center;padding:32px 20px;
}
.empty-card svg{color:var(--c-muted);}
.empty-card p{font-size:15px;color:var(--c-muted);}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){.faq-wrap{grid-template-columns:4fr 8fr;gap:56px;}}
.faq-list{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;cursor:pointer;list-style:none;font-size:1.0625rem;font-weight:600;line-height:1.5;
  transition:color var(--t-micro) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-item[open] summary{color:var(--c-primary);}
.faq-icon{position:relative;width:18px;height:18px;flex:none;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px;transition:opacity var(--t-micro) 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{opacity:0;}
.faq-answer{padding:0 0 20px;font-size:15.5px;line-height:1.9;color:var(--c-muted);animation:fadeUp var(--t-block) var(--ease);}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--c-primary);border-radius:var(--radius-lg);
  padding:40px 24px;display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
}
@media (min-width:1024px){.cta-band{padding:56px 48px;grid-template-columns:8fr 4fr;gap:40px;}}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.03) 0 2px,transparent 2px 12px);
  pointer-events:none;
}
.cta-band h2{position:relative;color:#fff;font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.2;font-weight:600;letter-spacing:-.01em;}
.cta-band p{position:relative;margin-top:12px;color:rgba(255,255,255,.72);font-size:15.5px;line-height:1.8;}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;}
@media (min-width:1024px){.cta-actions{justify-content:flex-end;}}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:56px 0 24px;margin-top:0;}
@media (min-width:1024px){.site-footer{padding-top:72px;}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.footer-grid{grid-template-columns:5fr 3fr 3fr 3fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;}
.footer-brand .brand-mark{background:#fff;}
.footer-brand .brand-mark::before{background:var(--c-lime);}
.footer-brand .brand-mark::after{background:rgba(11,15,14,.8);box-shadow:0 5px 0 rgba(11,15,14,.5);}
.footer-desc{margin-top:16px;font-size:14px;line-height:2;color:rgba(255,255,255,.6);max-width:340px;}
.footer-contact{margin-top:16px;font-size:14px;line-height:2;color:rgba(255,255,255,.6);}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-col h3{color:#fff;font-size:14px;font-weight:600;letter-spacing:.06em;margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;line-height:2.2;color:rgba(255,255,255,.66);transition:color var(--t-micro) var(--ease);}
.footer-col a:hover{color:var(--c-lime);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.48);
}
.footer-bottom .domain{font-variant-numeric:tabular-nums;letter-spacing:.02em;}

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

/* roulang page: article */
:root{
  --brand:#0E4A3F;
  --brand-2:#17715E;
  --accent:#B6E23E;
  --bg:#F6F7F4;
  --surface:#FFFFFF;
  --dark:#0B0F0E;
  --line:#E2E6E1;
  --ink:#151A19;
  --muted:#5A6664;
  --danger:#B4432F;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --sh-1:0 1px 2px rgba(11,15,14,.06);
  --sh-2:0 12px 32px -12px rgba(11,15,14,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.7;
  font-variant-numeric:tabular-nums;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0}
::selection{background:rgba(182,226,62,.45)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1024px){.container{padding:0 40px}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:10px 0;
  background:var(--bg);
  transition:padding .16s var(--ease);
}
.nav-panel{
  display:flex;align-items:center;gap:14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  padding:8px 10px;
  box-shadow:var(--sh-1);
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled .nav-panel{box-shadow:var(--sh-2);border-color:#D5DBD4}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:700;font-size:16px;letter-spacing:-.01em;
  white-space:nowrap;padding:4px 6px;border-radius:var(--r-sm);
}
.brand-mark{
  position:relative;width:28px;height:28px;flex:0 0 auto;
  border-radius:8px;background:var(--brand);
}
.brand-mark::after{
  content:"";position:absolute;right:4px;top:4px;width:10px;height:10px;
  border-radius:3px;background:var(--accent);
}
.nav-links{display:none;flex:1 1 auto;justify-content:center;gap:6px;flex-wrap:wrap}
.nav-chip{
  display:inline-flex;align-items:center;gap:6px;
  min-height:44px;padding:6px 12px;
  border-radius:var(--r-sm);
  background:var(--bg);
  border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--ink);
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.nav-chip svg{color:inherit;flex:0 0 auto}
.nav-chip:hover{background:rgba(14,74,63,.08);border-color:rgba(14,74,63,.28);color:var(--brand)}
.nav-chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.nav-chip.is-active:hover{background:var(--brand-2);border-color:var(--brand-2);color:#fff}
.nav-cta{
  display:none;align-items:center;justify-content:center;
  min-height:44px;padding:0 18px;margin-left:auto;
  border-radius:var(--r-sm);
  background:var(--brand);color:#fff;
  font-size:14px;font-weight:600;
  transition:background .16s var(--ease),transform .16s var(--ease);
}
.nav-cta:hover{background:var(--brand-2);transform:translateY(-1px)}
.nav-cta:active{transform:scale(.98)}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;margin-left:auto;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);
  cursor:pointer;transition:background .16s var(--ease);
}
.nav-toggle:hover{background:rgba(14,74,63,.08)}
@media (min-width:1024px){
  .nav-links{display:flex}
  .nav-cta{display:inline-flex}
  .nav-toggle{display:none}
}
.drawer{display:none;padding-top:10px}
.drawer.is-open{display:block;animation:drawerIn .22s var(--ease)}
@keyframes drawerIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.drawer-card{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:14px;box-shadow:var(--sh-2);
}
.drawer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.drawer-grid .nav-chip{justify-content:flex-start;width:100%}
.drawer-cta{
  display:flex;align-items:center;justify-content:center;
  min-height:46px;margin-top:12px;border-radius:var(--r-sm);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
}
.drawer-cta:hover{background:var(--brand-2)}
@media (min-width:1024px){.drawer{display:none !important}}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
  padding:18px 0 0;
}
.breadcrumb a{transition:color .16s var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#B9C2BE}
.breadcrumb .current{
  color:var(--muted);
  max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- 文章骨架 ---------- */
.article-shell{display:grid;gap:28px;padding:22px 0 56px}
@media (min-width:1024px){
  .article-shell{
    grid-template-columns:200px minmax(0,760px);
    justify-content:center;
    gap:48px;
    padding:34px 0 76px;
  }
}
.article-toc{display:none}
@media (min-width:1024px){
  .article-toc{display:block;position:sticky;top:96px;align-self:start;font-size:13px}
}
.toc-title{
  font-size:12px;letter-spacing:.06em;font-weight:600;color:var(--muted);
  margin-bottom:12px;text-transform:uppercase;
}
.toc-list{list-style:none;border-left:0}
.toc-link{
  display:block;padding:7px 0 7px 12px;
  border-left:2px solid var(--line);
  color:var(--muted);line-height:1.5;
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.toc-link:hover{color:var(--brand)}
.toc-link.is-current{color:var(--brand);border-left-color:var(--brand);font-weight:600}

.article-main{min-width:0}
.article-head{padding-bottom:22px;border-bottom:1px solid var(--line)}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:999px;
  background:rgba(14,74,63,.08);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.article-title{
  margin-top:14px;
  font-size:clamp(1.75rem,3.2vw,2.5rem);
  line-height:1.25;font-weight:700;letter-spacing:-.01em;
  overflow-wrap:anywhere;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  margin-top:14px;font-size:13px;color:var(--muted);
}
.article-meta .dot{color:#C3CCC8}
.article-cover{margin:26px 0 4px;border-radius:16px;overflow:hidden;border:1px solid var(--line)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- 正文阅读区 ---------- */
.article-body{
  max-width:760px;
  padding-top:26px;
  font-size:17px;line-height:1.9;color:var(--ink);
  overflow-wrap:anywhere;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  position:relative;
  font-size:clamp(1.3rem,2.2vw,1.6rem);
  line-height:1.35;font-weight:600;letter-spacing:-.01em;
  margin:40px 0 16px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;
  width:4px;border-radius:2px;background:var(--brand);
}
.article-body h3{
  font-size:1.125rem;line-height:1.45;font-weight:600;
  margin:28px 0 12px;
}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-2)}
.article-body ul{list-style:square;padding-left:1.25em;margin:0 0 1.4em}
.article-body ol{padding-left:1.4em;margin:0 0 1.4em}
.article-body li{margin:.42em 0}
.article-body ul li::marker{color:var(--brand)}
.article-body ol li::marker{color:var(--brand);font-weight:600}
.article-body strong{font-weight:600}
.article-body blockquote{
  margin:26px 0;padding:14px 20px;
  border-left:3px solid var(--brand);
  background:#F0F3EF;border-radius:0 12px 12px 0;
  color:#3C4A47;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:26px auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:12px;color:var(--muted);text-align:center;margin-top:10px}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;background:#EDF1EC;border:1px solid var(--line);
  border-radius:6px;padding:1px 6px;
}
.article-body pre{
  margin:24px 0;padding:18px;
  background:var(--dark);color:#E8EDE9;
  border-radius:12px;overflow-x:auto;
  font-size:13px;line-height:1.75;
}
.article-body pre code{background:none;border:0;padding:0;color:inherit;font-size:13px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:#F0F3EF;font-weight:600}

.empty-card{
  border:1px dashed #CBD4CF;border-radius:var(--r-md);
  background:var(--surface);padding:44px 24px;text-align:center;
}
.empty-card svg{margin:0 auto 16px;color:var(--brand)}
.empty-card h2{font-size:1.25rem;font-weight:600;margin-bottom:8px}
.empty-card p{color:var(--muted);font-size:15px;margin-bottom:20px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-sm);
  font-size:14px;font-weight:600;cursor:pointer;
  border:1px solid transparent;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease);
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-2);transform:translateY(-1px)}
.btn-outline{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-outline:hover{border-color:rgba(14,74,63,.4);color:var(--brand);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--brand);padding:0 4px;min-height:44px}
.btn-ghost:hover{text-decoration:underline;text-underline-offset:4px}
.btn-light{background:#F6F7F4;color:var(--brand)}
.btn-light:hover{background:#fff;transform:translateY(-1px)}

/* ---------- 文末 ---------- */
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin:38px 0 0;padding-top:24px;border-top:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:999px;
  background:rgba(14,74,63,.08);color:var(--brand);
  font-size:12px;font-weight:600;
  transition:background .16s var(--ease);
}
.tag:hover{background:rgba(14,74,63,.14)}
.article-actions{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:20px;
}
.article-back{display:flex;justify-content:flex-end;margin-top:18px;font-size:14px;font-weight:600;color:var(--brand)}
.article-back a:hover{text-decoration:underline;text-underline-offset:4px}

.related{margin-top:48px}
.related-title{
  font-size:1.125rem;font-weight:600;margin-bottom:18px;
  display:flex;align-items:center;gap:10px;
}
.related-title::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--brand)}
.related-list{display:grid;gap:12px}
.mini-card{
  display:flex;gap:14px;align-items:center;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:10px;
  box-shadow:var(--sh-1);
  transition:box-shadow .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
}
.mini-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(14,74,63,.4)}
.mini-card img{width:96px;height:64px;object-fit:cover;border-radius:10px;flex:0 0 auto}
.mini-card h3{
  font-size:15px;line-height:1.5;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .16s var(--ease);
}
.mini-card:hover h3{color:var(--brand)}
.mini-card p{font-size:12px;color:var(--muted);margin-top:6px}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--brand);border-radius:var(--r-lg);
  padding:36px 24px;
  color:#fff;
  display:flex;flex-direction:column;gap:20px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 12px);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(1.35rem,2.4vw,1.85rem);line-height:1.3;font-weight:600}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.82);max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
@media (min-width:768px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:48px}
  .cta-actions{justify-content:flex-end}
}
.cta-section{padding:56px 0 0}
@media (min-width:768px){.cta-section{padding:80px 0 0}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#D6DEDA;margin-top:72px;padding:56px 0 26px}
@media (min-width:768px){.site-footer{margin-top:96px;padding:72px 0 30px}}
.footer-grid{display:grid;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{background:#F2F5F1}
.footer-desc{font-size:14px;line-height:1.9;color:#9FB0AA;max-width:44ch}
.footer-contact{font-size:14px;line-height:2.2;color:#9FB0AA;margin-top:14px}
.footer-contact strong{color:#DFE7E3;font-weight:600}
.footer-col h3{font-size:12px;letter-spacing:.06em;font-weight:600;color:#8FA09A;margin-bottom:12px}
.footer-col a{display:block;font-size:14px;line-height:2.2;color:#D6DEDA;transition:color .16s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:#8FA09A;
}
.footer-bottom .domain{font-family:Inter,system-ui,sans-serif;letter-spacing:.02em}

/* ---------- 入场动效 ---------- */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
[data-reveal].is-visible{opacity:1;transform:none}
.no-scrollbar{scrollbar-width:none;-ms-overflow-style:none}
.no-scrollbar::-webkit-scrollbar{display:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  [data-reveal]{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
    --brand:#0E4A3F;
    --brand-light:#17715E;
    --lime:#B6E23E;
    --bg:#F6F7F4;
    --card:#FFFFFF;
    --dark:#0B0F0E;
    --line:#E2E6E1;
    --text:#151A19;
    --muted:#5A6664;
    --danger:#B4432F;
    --r-sm:10px;
    --r-md:14px;
    --r-lg:20px;
    --sh-1:0 1px 2px rgba(11,15,14,.06);
    --sh-2:0 12px 32px -12px rgba(11,15,14,.18);
    --ease:cubic-bezier(.2,.7,.3,1);
    --sec-y:56px;
    --sec-y-md:80px;
    --sec-y-lg:112px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.75;
    letter-spacing:0;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  button{font:inherit;border:0;background:none;cursor:pointer;color:inherit;}
  input{font:inherit;}
  .num{font-variant-numeric:tabular-nums;font-family:"Inter",system-ui,-apple-system,sans-serif;}

  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    padding:12px 0;
    transition:padding 220ms var(--ease);
  }
  .site-header .container{transition:padding 220ms var(--ease);}
  .nav-panel{
    position:relative;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:16px;
    padding:10px 14px;
    box-shadow:var(--sh-1);
    transition:box-shadow 220ms var(--ease), background 220ms var(--ease), padding 220ms var(--ease);
  }
  .site-header.is-scrolled{padding:8px 0;}
  .site-header.is-scrolled .container{padding-left:32px;padding-right:32px;}
  .site-header.is-scrolled .nav-panel{box-shadow:var(--sh-2);}

  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-weight:700;
    font-size:16.5px;
    letter-spacing:-.01em;
    color:var(--text);
    white-space:nowrap;
    min-height:44px;
  }
  .brand-mark{
    position:relative;
    width:28px;
    height:28px;
    border-radius:8px;
    background:var(--brand);
    flex:0 0 auto;
    overflow:hidden;
  }
  .brand-mark::after{
    content:"";
    position:absolute;
    width:16px;
    height:16px;
    right:-5px;
    bottom:-5px;
    background:var(--lime);
    transform:rotate(45deg);
  }

  .nav-links{
    display:none;
    align-items:center;
    gap:8px;
    flex-wrap:wrap;
  }
  .nav-chip{
    display:inline-flex;
    align-items:center;
    gap:6px;
    min-height:44px;
    padding:8px 12px;
    border-radius:var(--r-sm);
    background:var(--bg);
    border:1px solid var(--line);
    color:var(--muted);
    font-size:13.5px;
    font-weight:500;
    white-space:nowrap;
    transition:background 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease), transform 160ms var(--ease);
  }
  .nav-chip svg{color:currentColor;transition:color 160ms var(--ease);}
  .nav-chip:hover{background:rgba(14,74,63,.08);color:var(--brand);border-color:rgba(14,74,63,.28);}
  .nav-chip:hover svg{color:var(--brand);}
  .nav-chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}
  .nav-chip.is-active svg{color:#fff;}

  .nav-cta{
    display:none;
    align-items:center;
    min-height:44px;
    padding:0 20px;
    border-radius:var(--r-sm);
    background:var(--brand);
    color:#fff;
    font-size:14.5px;
    font-weight:600;
    transition:background 160ms var(--ease), transform 160ms var(--ease);
  }
  .nav-cta:hover{background:var(--brand-light);transform:translateY(-1px);}
  .nav-cta:active{transform:scale(.98);}

  .nav-toggle{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:44px;
    height:44px;
    border-radius:var(--r-sm);
    border:1px solid var(--line);
    background:var(--bg);
    color:var(--brand);
  }
  .nav-toggle:hover{background:rgba(14,74,63,.08);}

  .nav-drawer{
    position:fixed;
    left:16px;
    right:16px;
    top:76px;
    z-index:70;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:16px;
    box-shadow:var(--sh-2);
    padding:14px;
    display:none;
    max-height:calc(100vh - 100px);
    overflow-y:auto;
  }
  .nav-drawer.is-open{display:block;}
  .nav-drawer-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:10px;
  }
  .nav-drawer .nav-chip{justify-content:flex-start;font-size:13px;padding:10px 12px;}
  .nav-drawer .nav-cta{display:flex;justify-content:center;width:100%;margin-top:12px;}

  /* ---------- 通用板块 ---------- */
  .section{padding:var(--sec-y) 0;}
  .section-tight{padding:40px 0;}
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12.5px;
    font-weight:600;
    letter-spacing:.06em;
    color:var(--brand);
    background:rgba(14,74,63,.08);
    border-radius:999px;
    padding:6px 12px;
  }
  .eyebrow::before{
    content:"";
    width:6px;height:6px;border-radius:2px;
    background:var(--lime);
    display:inline-block;
  }
  .h2{
    font-size:clamp(1.5rem,2.6vw,2.25rem);
    line-height:1.2;
    font-weight:600;
    letter-spacing:-.01em;
  }
  .lead{
    font-size:16px;
    line-height:1.85;
    color:var(--muted);
    max-width:62ch;
  }
  .divider{height:1px;background:var(--line);border:0;margin:0;}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--muted);
    padding-top:22px;
    flex-wrap:wrap;
  }
  .breadcrumb a{transition:color 160ms var(--ease);}
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb .sep{color:#B8BFBC;}
  .breadcrumb .current{color:var(--text);font-weight:500;}

  /* ---------- Hero ---------- */
  .hero{padding:40px 0 var(--sec-y);}
  .hero-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
  .hero h1{
    font-size:clamp(2rem,4.6vw,3.5rem);
    line-height:1.15;
    font-weight:700;
    letter-spacing:-.01em;
    margin-top:18px;
  }
  .hero h1 .dot{color:var(--lime);}
  .hero-sub{
    margin-top:16px;
    font-size:17px;
    line-height:1.85;
    color:var(--muted);
    max-width:56ch;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
  .hero-metrics{
    margin-top:26px;
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px;
    font-size:13px;
    color:var(--muted);
  }
  .hero-metrics span.dot-sep{width:4px;height:4px;border-radius:50%;background:#C7CFCB;display:inline-block;}

  .hero-figure{position:relative;padding:0 12px 12px 0;}
  .hero-figure::after{
    content:"";
    position:absolute;
    inset:16px -8px -8px 16px;
    border:1px solid rgba(14,74,63,.12);
    border-radius:var(--r-lg);
    pointer-events:none;
  }
  .hero-figure img{
    position:relative;
    z-index:1;
    width:100%;
    aspect-ratio:4/3;
    object-fit:cover;
    border-radius:var(--r-lg);
    border:1px solid var(--line);
    box-shadow:var(--sh-2);
  }
  .img-fallback{
    position:relative;
    z-index:1;
    aspect-ratio:4/3;
    border-radius:var(--r-lg);
    border:1px solid var(--line);
    background:rgba(14,74,63,.08);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:20px;
    font-weight:700;
    color:var(--brand);
    letter-spacing:.02em;
    box-shadow:var(--sh-2);
  }
  .img-fallback::before{content:"pg官网平台";}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:44px;
    padding:0 20px;
    border-radius:var(--r-sm);
    font-size:14.5px;
    font-weight:600;
    border:1px solid transparent;
    transition:background 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease), transform 160ms var(--ease), box-shadow 160ms var(--ease);
  }
  .btn:active{transform:scale(.98);}
  .btn-primary{background:var(--brand);color:#fff;}
  .btn-primary:hover{background:var(--brand-light);transform:translateY(-1px);}
  .btn-outline{background:var(--card);color:var(--text);border-color:var(--line);}
  .btn-outline:hover{border-color:rgba(14,74,63,.4);color:var(--brand);transform:translateY(-1px);}
  .btn-lime{background:var(--lime);color:#0B2A22;}
  .btn-lime:hover{background:#C6EC55;transform:translateY(-1px);}
  .btn-ghost{color:var(--brand);padding-left:6px;padding-right:6px;position:relative;}
  .btn-ghost::after{
    content:"";
    position:absolute;
    left:6px;right:6px;bottom:8px;
    height:1px;
    background:var(--lime);
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform 160ms var(--ease);
  }
  .btn-ghost:hover::after{transform:scaleX(1);}

  /* ---------- 编号要点 ---------- */
  .points-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:32px;}
  .point-card{
    background:var(--card);
    border:1px solid var(--line);
    border-left:3px solid var(--brand);
    border-radius:var(--r-md);
    padding:24px;
    box-shadow:var(--sh-1);
    transition:transform 220ms var(--ease), box-shadow 220ms var(--ease), border-color 220ms var(--ease);
  }
  .point-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(14,74,63,.4);border-left-color:var(--brand);}
  .point-index{
    font-size:13px;
    font-weight:700;
    color:var(--brand);
    background:rgba(182,226,62,.28);
    border-radius:999px;
    padding:3px 10px;
    display:inline-block;
    letter-spacing:.06em;
  }
  .point-card h3{
    margin-top:14px;
    font-size:1.125rem;
    font-weight:600;
    line-height:1.35;
  }
  .point-card p{
    margin-top:10px;
    font-size:15px;
    line-height:1.8;
    color:var(--muted);
  }

  /* ---------- 深色面板 ---------- */
  .dark-panel{
    background:var(--dark);
    border-radius:var(--r-lg);
    padding:36px 24px;
    color:#F2F5F3;
  }
  .dark-panel .eyebrow-dark{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12.5px;
    font-weight:600;
    letter-spacing:.06em;
    color:#DDE6E2;
    background:rgba(255,255,255,.10);
    border-radius:999px;
    padding:6px 12px;
  }
  .dark-panel h2{
    margin-top:16px;
    font-size:clamp(1.5rem,2.6vw,2.25rem);
    line-height:1.2;
    font-weight:600;
    color:#fff;
  }
  .dark-panel p.dark-lead{
    margin-top:14px;
    color:#A9B7B2;
    font-size:15.5px;
    line-height:1.85;
    max-width:64ch;
  }
  .stat-grid{
    margin-top:32px;
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:1px;
    background:rgba(182,226,62,.22);
    border:1px solid rgba(182,226,62,.22);
    border-radius:var(--r-md);
    overflow:hidden;
  }
  .stat-cell{
    background:var(--dark);
    padding:24px 18px;
  }
  .stat-cell .num{
    font-size:clamp(2rem,5vw,3rem);
    font-weight:700;
    line-height:1.1;
    color:#fff;
    letter-spacing:-.01em;
  }
  .stat-cell .num small{font-size:.42em;font-weight:600;color:var(--lime);margin-left:4px;}
  .stat-cell .stat-label{
    margin-top:10px;
    font-size:13px;
    color:#9EACA7;
  }

  /* ---------- 特性卡 2x2 ---------- */
  .feature-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:32px;}
  .feature-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-md);
    padding:24px;
    box-shadow:var(--sh-1);
    display:flex;
    flex-direction:column;
    gap:14px;
    transition:transform 220ms var(--ease), box-shadow 220ms var(--ease), border-color 220ms var(--ease);
  }
  .feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(14,74,63,.4);}
  .feature-thumb{
    width:100%;
    aspect-ratio:16/9;
    border-radius:var(--r-sm);
    overflow:hidden;
    border:1px solid var(--line);
    background:rgba(14,74,63,.06);
  }
  .feature-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 220ms var(--ease);}
  .feature-card:hover .feature-thumb img{transform:scale(1.04);}
  .feature-card h3{font-size:1.125rem;font-weight:600;line-height:1.35;}
  .feature-card p{font-size:15px;line-height:1.8;color:var(--muted);}
  .feature-link{
    margin-top:auto;
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--brand);
  }
  .feature-link svg{transition:transform 160ms var(--ease);}
  .feature-link:hover svg{transform:translateX(4px);}

  /* ---------- 模块清单 ---------- */
  .module-list{
    margin-top:32px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    overflow:hidden;
    box-shadow:var(--sh-1);
  }
  .module-row{
    display:grid;
    grid-template-columns:1fr;
    gap:10px;
    padding:20px 22px;
    border-bottom:1px solid var(--line);
    transition:background 160ms var(--ease);
  }
  .module-row:last-child{border-bottom:0;}
  .module-row:hover{background:rgba(14,74,63,.04);}
  .module-name{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:15.5px;
    font-weight:600;
  }
  .module-name svg{color:var(--brand);flex:0 0 auto;}
  .module-desc{font-size:14.5px;line-height:1.75;color:var(--muted);}
  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:12px;
    font-weight:600;
    letter-spacing:.06em;
    border-radius:999px;
    padding:4px 10px;
    background:rgba(14,74,63,.08);
    color:var(--brand);
    width:fit-content;
  }
  .badge-outline{background:transparent;border:1px solid var(--line);color:var(--muted);}

  /* ---------- CTA 带 ---------- */
  .cta-band{
    position:relative;
    background:var(--brand);
    border-radius:var(--r-lg);
    padding:34px 24px;
    color:#fff;
    overflow:hidden;
  }
  .cta-band::after{
    content:"";
    position:absolute;
    inset:0;
    background-image:repeating-linear-gradient(115deg, rgba(255,255,255,.05) 0 1px, transparent 1px 12px);
    pointer-events:none;
  }
  .cta-inner{position:relative;z-index:1;display:flex;flex-direction:column;gap:22px;}
  .cta-band h2{font-size:clamp(1.4rem,2.4vw,2rem);line-height:1.25;font-weight:600;}
  .cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.82);line-height:1.8;max-width:56ch;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--dark);
    color:#C9D3CF;
    margin-top:var(--sec-y);
    padding:56px 0 24px;
  }
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
  .footer-brand{
    display:flex;
    align-items:center;
    gap:10px;
    color:#fff;
    font-weight:700;
    font-size:16.5px;
  }
  .footer-desc{
    margin-top:14px;
    font-size:14.5px;
    line-height:1.9;
    color:#98A5A1;
    max-width:38ch;
  }
  .footer-contact{
    margin-top:16px;
    font-size:14px;
    line-height:2;
    color:#98A5A1;
  }
  .footer-contact strong{color:#E6EDEA;font-weight:600;}
  .footer-col{display:flex;flex-direction:column;gap:2px;}
  .footer-col h3{
    font-size:13px;
    font-weight:600;
    letter-spacing:.06em;
    color:#7E8C88;
    margin-bottom:12px;
  }
  .footer-col a{
    font-size:14px;
    line-height:2.2;
    color:#C9D3CF;
    transition:color 160ms var(--ease);
    width:fit-content;
  }
  .footer-col a:hover{color:var(--lime);}
  .footer-bottom{
    margin-top:36px;
    padding-top:20px;
    border-top:1px solid rgba(255,255,255,.08);
    display:flex;
    flex-wrap:wrap;
    gap:10px 20px;
    justify-content:space-between;
    font-size:13px;
    color:#8A9793;
  }
  .footer-bottom .domain{font-variant-numeric:tabular-nums;}

  /* ---------- 入场动效 ---------- */
  .reveal{opacity:0;transform:translateY(12px);}
  .reveal.is-in{
    opacity:1;
    transform:none;
    transition:opacity 320ms var(--ease), transform 320ms var(--ease);
  }

  /* ---------- 断点 ---------- */
  @media (min-width:640px){
    .container{padding-left:24px;padding-right:24px;}
    .hero-actions .btn{min-width:auto;}
    .module-row{grid-template-columns:minmax(0,220px) minmax(0,1fr) auto;align-items:center;gap:20px;}
    .stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
  }

  @media (min-width:768px){
    :root{--sec-y:var(--sec-y-md);}
    .container{padding-left:32px;padding-right:32px;}
    .points-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
    .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
    .dark-panel{padding:48px 40px;}
    .cta-band{padding:48px;}
    .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;}
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;}
    .module-list{margin-top:36px;}
  }

  @media (min-width:1024px){
    :root{--sec-y:var(--sec-y-lg);}
    .container{padding-left:40px;padding-right:40px;}
    .nav-links{display:flex;}
    .nav-cta{display:inline-flex;}
    .nav-toggle{display:none;}
    .nav-drawer{display:none !important;}
    .hero{padding:56px 0 var(--sec-y);}
    .hero-grid{grid-template-columns:7fr 5fr;gap:56px;}
    .footer-grid{gap:40px;}
  }

  @media (max-width:519px){
    .hero-actions{flex-direction:column;align-items:stretch;}
    .hero-actions .btn{width:100%;}
    .cta-actions .btn{width:100%;}
  }

  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
    .reveal{opacity:1;transform:none;}
  }

/* roulang page: category2 */
:root{
  --brand:#0E4A3F;
  --brand-light:#17715E;
  --lime:#B6E23E;
  --bg:#F6F7F4;
  --surface:#FFFFFF;
  --dark:#0B0F0E;
  --line:#E2E6E1;
  --text:#151A19;
  --muted:#5A6664;
  --danger:#B4432F;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --sh-1:0 1px 2px rgba(11,15,14,.06);
  --sh-2:0 12px 32px -12px rgba(11,15,14,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:clamp(56px,8vw,112px);
}

*,*::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","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}
svg{display:block}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1024px){.container{padding:0 40px}}

/* ============ 顶部卡片导航 ============ */
.site-header{position:sticky;top:0;z-index:60;padding:12px 0}
.nav-panel{
  display:flex;align-items:center;gap:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  padding:10px 14px;
  box-shadow:var(--sh-1);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled .nav-panel{box-shadow:var(--sh-2)}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:var(--brand);
  position:relative;overflow:hidden;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;right:-7px;bottom:-7px;width:18px;height:18px;
  background:var(--lime);transform:rotate(45deg);
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-chip{
  display:inline-flex;align-items:center;gap:6px;
  min-height:42px;padding:8px 12px;
  border-radius:var(--r-sm);
  background:var(--bg);
  border:1px solid var(--line);
  font-size:13px;font-weight:500;color:var(--muted);
  white-space:nowrap;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.nav-chip:hover{background:rgba(14,74,63,.08);color:var(--brand)}
.nav-chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.nav-chip.is-active:hover{background:var(--brand-light);color:#fff}
.nav-cta{display:none}
@media (min-width:1024px){.nav-cta{display:inline-flex}}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;margin-left:auto;
  border-radius:var(--r-sm);background:var(--bg);border:1px solid var(--line);
  color:var(--brand);
}
@media (min-width:768px){.nav-toggle{display:none}}

/* 移动端抽屉 */
.mobile-drawer{display:none;position:fixed;left:0;right:0;top:0;z-index:80;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--sh-2);padding:14px 0 22px}
.mobile-drawer.is-open{display:block}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--r-sm);background:var(--bg);border:1px solid var(--line);color:var(--brand)}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:16px 0 18px}
.drawer-grid .nav-chip{min-height:48px;justify-content:flex-start;font-size:13.5px}
@media (min-width:768px){.mobile-drawer{display:none !important}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease),box-shadow .16s var(--ease);
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-light);transform:translateY(-1px)}
.btn-secondary{background:var(--surface);border-color:var(--line);color:var(--text)}
.btn-secondary:hover{border-color:rgba(14,74,63,.4);transform:translateY(-1px)}
.btn-lime{background:var(--lime);color:#0B0F0E}
.btn-lime:hover{background:#c2ea55;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--brand);text-decoration:underline;text-underline-offset:4px;padding:0 4px;min-height:44px}
.btn-block{width:100%}
@media (max-width:767px){.btn-block-mobile{width:100%;min-height:46px}}

/* ============ 通用排印 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(14,74,63,.08);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.06em;
}
.h1{font-size:clamp(2rem,4.6vw,3.25rem);line-height:1.15;font-weight:700;letter-spacing:-.01em}
.h2{font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.2;font-weight:600;letter-spacing:-.005em}
.h3{font-size:1.125rem;line-height:1.35;font-weight:600}
.lead{font-size:17px;line-height:1.9;color:var(--muted)}
.muted{color:var(--muted)}
.section{padding:var(--sec) 0}
.section-sm{padding:calc(var(--sec) * .62) 0}
.section-head{display:grid;gap:14px;max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;justify-items:center}

/* ============ 首屏 ============ */
.hero{position:relative;overflow:hidden;padding:64px 0 56px;background:var(--bg);text-align:center}
@media (min-width:1024px){.hero{padding:96px 0 80px}}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(21,26,25,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(21,26,25,.035) 1px,transparent 1px);
  background-size:34px 34px;
  mask-image:radial-gradient(120% 90% at 50% 0%,#000 35%,transparent 85%);
  -webkit-mask-image:radial-gradient(120% 90% at 50% 0%,#000 35%,transparent 85%);
}
.hero-inner{position:relative;z-index:1;display:grid;gap:0;justify-items:center}
.hero h1{margin-top:18px}
.hero-sub{max-width:660px;margin-top:16px;font-size:17px;line-height:1.85;color:var(--muted)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:32px}
.hero-meta{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:center;font-size:13.5px;color:var(--muted)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}

/* ============ 交替图文 ============ */
.split{display:grid;gap:28px;align-items:center}
@media (min-width:1024px){.split{grid-template-columns:1fr 1fr;gap:64px}}
.split-media{position:relative}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.split-media::after{
  content:"";position:absolute;left:-10px;top:-10px;right:16px;bottom:16px;
  border:1px solid rgba(14,74,63,.14);border-radius:var(--r-lg);z-index:-1;
}
.split-media{z-index:1}
@media (min-width:1024px){
  .split.is-reverse .split-media{order:2}
}
.split-body{display:grid;gap:14px;align-content:start}
.split-index{
  font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand);
}
.split-body p{font-size:16px;line-height:1.9;color:var(--muted)}
.point-list{display:grid;gap:12px;margin-top:6px}
.point-list li{position:relative;padding-left:20px;font-size:15.5px;line-height:1.8;color:var(--muted)}
.point-list li::before{content:"";position:absolute;left:0;top:.65em;width:8px;height:8px;border-radius:2px;background:var(--brand)}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;font-size:14.5px;font-weight:600;color:var(--brand);
  position:relative;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:10px;height:2px;width:100%;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .16s var(--ease);
}
.text-link:hover::after{transform:scaleX(1)}
.text-link svg{transition:transform .16s var(--ease)}
.text-link:hover svg{transform:translateX(3px)}

/* ============ 卡片 ============ */
.card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(14,74,63,.4)}
.card-icon{
  width:36px;height:36px;border-radius:var(--r-sm);
  background:rgba(14,74,63,.08);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.card h3{margin-bottom:8px}
.card p{font-size:15.5px;line-height:1.8;color:var(--muted)}
.card-num{
  font-size:13px;font-weight:600;font-variant-numeric:tabular-nums;
  letter-spacing:.08em;color:var(--brand);display:block;margin-bottom:10px;
}
.grid-cards{display:grid;gap:20px}
@media (min-width:640px){.grid-cards{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.grid-cards.cols-3{grid-template-columns:repeat(3,1fr)}}

/* ============ 深色数据面板 ============ */
.stat-panel{
  background:var(--dark);border-radius:var(--r-lg);
  padding:40px 20px;color:#fff;position:relative;overflow:hidden;
}
@media (min-width:768px){.stat-panel{padding:56px 40px}}
.stat-panel::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(182,226,62,.16),transparent 68%);
  pointer-events:none;
}
.stat-head{position:relative;z-index:1;max-width:680px;margin-bottom:36px}
.stat-head .eyebrow{background:rgba(255,255,255,.1);color:var(--lime)}
.stat-head h2{color:#fff;margin-top:14px}
.stat-head p{margin-top:12px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.62)}
.stat-grid{
  position:relative;z-index:1;display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
  background:rgba(182,226,62,.22);border-radius:var(--r-md);overflow:hidden;
}
@media (min-width:1024px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat-item{background:var(--dark);padding:24px 16px;text-align:left}
.stat-num{
  font-size:clamp(2.25rem,5vw,3.25rem);font-weight:700;line-height:1;
  font-variant-numeric:tabular-nums;color:#fff;letter-spacing:-.01em;
}
.stat-num em{font-style:normal;font-size:.44em;font-weight:600;color:var(--lime);margin-left:4px;vertical-align:top;line-height:2.2}
.stat-label{margin-top:12px;font-size:13px;line-height:1.6;color:rgba(255,255,255,.58)}

/* ============ FAQ ============ */
.faq-wrap{display:grid;gap:28px}
@media (min-width:1024px){.faq-wrap{grid-template-columns:.8fr 1.2fr;gap:64px;align-items:start}}
.faq-side{display:grid;gap:14px;align-content:start}
@media (min-width:1024px){.faq-side{position:sticky;top:96px}}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;text-align:left;font-size:16.5px;font-weight:600;line-height:1.5;
  color:var(--text);transition:color .16s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px;color:currentColor}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;transition:transform .22s var(--ease)}
.faq-item.is-open .faq-icon::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a p{padding:0 0 20px;font-size:15.5px;line-height:1.85;color:var(--muted);max-width:760px}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--brand);border-radius:var(--r-lg);color:#fff;
  padding:40px 24px;display:grid;gap:26px;align-items:center;
}
@media (min-width:1024px){.cta-band{grid-template-columns:1fr auto;padding:48px;gap:40px}}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.055) 0 1px,transparent 1px 13px);
}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{color:#fff}
.cta-band p{margin-top:12px;font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.78);max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 32px;margin-top:var(--sec)}
.footer-grid{display:grid;gap: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 1fr;gap:48px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{width:26px;height:26px;border-radius:7px}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:360px}
.footer-contact{margin-top:14px;font-size:14px;line-height:2;color:rgba(255,255,255,.6)}
.footer-contact strong{font-weight:600;color:rgba(255,255,255,.88)}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;line-height:2.2;color:rgba(255,255,255,.66);transition:color .16s var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .domain{font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.reveal.in-view{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
  .card:hover,.btn:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --primary:#0E4A3F;
  --primary-light:#17715E;
  --lime:#B6E23E;
  --bg:#F6F7F4;
  --surface:#FFFFFF;
  --dark:#0B0F0E;
  --line:#E2E6E1;
  --text:#151A19;
  --muted:#5A6664;
  --danger:#B4432F;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --shadow-1:0 1px 2px rgba(11,15,14,.06);
  --shadow-2:0 12px 32px -12px rgba(11,15,14,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t-fast:160ms;
  --t-card:220ms;
  --t-block:320ms;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.9;
  -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;letter-spacing:-.01em}
p{margin:0}
.tnum{font-variant-numeric:tabular-nums;font-family:Inter,system-ui,"Noto Sans SC",sans-serif}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1024px){.container{padding:0 40px}}
.section{padding:56px 0}
@media(min-width:768px){.section{padding:80px 0}}
@media(min-width:1024px){.section{padding:112px 0}}

/* 渐入动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity var(--t-block) var(--ease),transform var(--t-block) var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{transition:none!important;animation:none!important}
}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:60;padding:12px 0;background:rgba(246,247,244,.94)}
.nav-panel{
  display:flex;align-items:center;gap:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  padding:10px 14px;
  box-shadow:var(--shadow-1);
  transition:box-shadow var(--t-fast) var(--ease);
}
.site-header.is-scrolled .nav-panel{box-shadow:var(--shadow-2)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--text);white-space:nowrap}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:var(--primary);
  position:relative;display:inline-block;flex:none;
}
.brand-mark::after{
  content:"";position:absolute;right:5px;bottom:5px;width:9px;height:9px;
  background:var(--lime);border-radius:2px;
}
.nav-links{display:none;flex:1;align-items:center;gap:8px;flex-wrap:wrap}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 12px;border-radius:var(--r-sm);
  background:var(--bg);border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--muted);
  transition:background var(--t-fast) var(--ease),color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
  min-height:44px;
}
.nav-chip:hover{background:rgba(14,74,63,.08);color:var(--primary);border-color:rgba(14,74,63,.28)}
.nav-chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff}
.nav-cta{margin-left:auto;display:none}
@media(min-width:1024px){.nav-cta{display:inline-flex}}
.burger{
  margin-left:auto;display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-sm);
  background:var(--bg);border:1px solid var(--line);color:var(--primary);cursor:pointer;
}
@media(min-width:1024px){.burger{display:none}}
.drawer{
  display:none;margin-top:10px;background:var(--surface);border:1px solid var(--line);
  border-radius:16px;padding:14px;box-shadow:var(--shadow-2);
}
.drawer.is-open{display:block}
.drawer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.drawer .nav-chip{justify-content:flex-start;width:100%}
.drawer .btn{width:100%;margin-top:12px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform var(--t-fast) var(--ease),background var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-light);transform:translateY(-1px)}
.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--line)}
.btn-secondary:hover{border-color:rgba(14,74,63,.4);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--primary);text-decoration:underline;text-underline-offset:4px}
.btn-ghost:hover{color:var(--primary-light)}
.btn-light{background:var(--lime);color:#12210A}
.btn-light:hover{background:#c3ec4f;transform:translateY(-1px)}
.btn:active{transform:scale(.98)}
.btn:focus-visible,.nav-chip:focus-visible,.burger:focus-visible,a:focus-visible,button:focus-visible{
  outline:2px solid var(--lime);outline-offset:2px;
}

/* 通用标签与徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:rgba(14,74,63,.08);color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.06em;
}
.badge-on-dark{background:rgba(255,255,255,.1);color:#fff}
.eyebrow{
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--primary);
  display:inline-flex;align-items:center;gap:8px;
}
.eyebrow::before{content:"";width:3px;height:14px;background:var(--primary);border-radius:2px;display:inline-block}

/* Hero 分栏 */
.hero-split{padding:48px 0 8px}
@media(min-width:1024px){.hero-split{padding:88px 0 24px}}
.hero-split-grid{display:grid;gap:32px}
@media(min-width:1024px){
  .hero-split-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px;align-items:start}
}
h1.hero-title{
  font-size:clamp(2rem,4.6vw,3.5rem);line-height:1.15;font-weight:700;margin-top:16px;
}
.hero-lead{color:var(--muted);font-size:17px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:24px;
  font-size:13px;color:var(--muted);
}
.hero-metrics span{display:inline-flex;align-items:center;gap:8px}
.hero-metrics span+span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block;margin-right:10px}

/* 索引标签条 */
.tagbar{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.tag-pill{
  padding:8px 14px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);font-size:13px;font-weight:600;color:var(--muted);
  transition:border-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease);
}
.tag-pill:hover{border-color:rgba(14,74,63,.35);color:var(--primary)}
.tag-pill.is-on{background:rgba(14,74,63,.08);border-color:rgba(14,74,63,.3);color:var(--primary)}

/* 区块标题 */
.section-head{max-width:720px}
h2.section-title{font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.2;font-weight:600;margin-top:14px}
.section-sub{margin-top:14px;color:var(--muted);font-size:16px}

/* 时间线 */
.timeline{margin-top:40px;position:relative;padding-left:28px}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:rgba(14,74,63,.22);
}
.tl-item{position:relative;padding:0 0 32px 24px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-27px;top:6px;width:20px;height:20px;border-radius:50%;
  background:var(--surface);border:2px solid var(--primary);
}
.tl-num{font-size:13px;font-weight:600;color:var(--primary);letter-spacing:.06em}
.tl-item h3{font-size:1.25rem;font-weight:600;line-height:1.35;margin-top:6px}
.tl-item p{color:var(--muted);font-size:16px;margin-top:8px;max-width:640px}

/* 卡片 */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  transition:transform var(--t-card) var(--ease),box-shadow var(--t-card) var(--ease),border-color var(--t-card) var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,74,63,.4)}
.card-media{overflow:hidden;border-radius:var(--r-md) var(--r-md) 0 0}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform var(--t-card) var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:24px}
.card-body h3{font-size:1.2rem;font-weight:600;line-height:1.35}
.card-body p{color:var(--muted);font-size:15px;line-height:1.8;margin-top:10px}

.two-col{display:grid;gap:24px;margin-top:40px}
@media(min-width:768px){.two-col{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}}

/* 要点列表 */
.check-list{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:10px}
.check-list li{display:flex;gap:10px;font-size:15px;line-height:1.8;color:var(--muted)}
.check-list li::before{
  content:"";flex:none;width:6px;height:6px;margin-top:11px;border-radius:1px;background:var(--primary);
}
.check-list li strong{color:var(--text);font-weight:600}

/* 深色区块 */
.dark-band{
  background:var(--dark);color:#fff;border-radius:var(--r-lg);
  padding:40px 28px;
}
@media(min-width:768px){.dark-band{padding:56px 48px}}
.dark-band h2{font-size:clamp(1.5rem,2.6vw,2.25rem);font-weight:600;line-height:1.2;color:#fff}
.dark-band .section-sub{color:rgba(255,255,255,.66)}
.stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:rgba(182,226,62,.28);margin-top:36px;border-radius:var(--r-md);overflow:hidden}
@media(min-width:1024px){.stat-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stat{background:var(--dark);padding:24px 20px}
.stat b{display:block;font-size:clamp(2.25rem,5vw,3.5rem);font-weight:700;line-height:1.05;color:#fff}
.stat span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.62)}

/* 证言 */
.quote-grid{display:grid;gap:24px;margin-top:40px}
@media(min-width:768px){.quote-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}}
.quote-card{position:relative;padding:28px 24px 24px 24px}
.quote-card .mark{
  position:absolute;top:8px;left:20px;font-size:64px;line-height:1;color:rgba(14,74,63,.2);font-family:Georgia,serif;
}
.quote-card blockquote{margin:0;font-size:16px;line-height:1.9;color:var(--text)}
.quote-foot{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
.avatar{
  width:40px;height:40px;border-radius:50%;object-fit:cover;flex:none;background:rgba(14,74,63,.1);
}
.quote-foot strong{display:block;font-size:14px;font-weight:600}
.quote-foot em{font-style:normal;font-size:13px;color:var(--muted)}
.quote-card.is-wide{grid-column:span 1}
@media(min-width:768px){.quote-card.is-wide{grid-column:span 2}}

/* FAQ */
.faq-layout{display:grid;gap:32px}
@media(min-width:1024px){.faq-layout{grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:64px;align-items:start}}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--text);min-height:44px;
  transition:color var(--t-fast) var(--ease);
}
.faq-q:hover{color:var(--primary)}
.faq-item.is-open .faq-q{color:var(--primary)}
.faq-sign{position:relative;width:16px;height:16px;flex:none;transition:transform var(--t-fast) var(--ease)}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:currentColor;border-radius:1px;
}
.faq-sign::before{left:0;top:7px;width:16px;height:2px}
.faq-sign::after{left:7px;top:0;width:2px;height:16px;transition:opacity var(--t-fast) var(--ease)}
.faq-item.is-open .faq-sign{transform:rotate(180deg)}
.faq-item.is-open .faq-sign::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--t-card) var(--ease)}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a p{padding:0 0 20px;color:var(--muted);font-size:16px;line-height:1.85;max-width:640px}

/* CTA 带 */
.cta-band{
  background:var(--primary);color:#fff;border-radius:var(--r-lg);
  padding:36px 24px;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.03) 0 6px,transparent 6px 14px);
}
@media(min-width:768px){.cta-band{padding:48px}}
.cta-inner{display:grid;gap:24px}
@media(min-width:1024px){.cta-inner{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:center;gap:40px}}
.cta-band h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:600;line-height:1.25;color:#fff}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.78);font-size:16px}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:56px;padding:56px 0 24px}
@media(min-width:768px){.site-footer{padding:72px 0 28px}}
.footer-grid{display:grid;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}}
@media(min-width:1024px){.footer-grid{grid-template-columns:minmax(0,2fr) repeat(3,minmax(0,1fr));gap:48px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px}
.footer-desc{margin-top:16px;font-size:14px;line-height:2;color:rgba(255,255,255,.6);max-width:360px}
.footer-contact{margin-top:16px;font-size:14px;line-height:2.2;color:rgba(255,255,255,.6)}
.footer-contact strong{color:#fff;font-weight:600}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.04em}
.footer-col a{display:block;font-size:14px;line-height:2.2;color:rgba(255,255,255,.66);transition:color var(--t-fast) var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .domain{font-family:Inter,system-ui,sans-serif;letter-spacing:.02em}

/* 表单位 */
.contact-mini{margin-top:32px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-1)}
.contact-mini form{display:grid;gap:14px;margin-top:16px}
@media(min-width:768px){.contact-mini form{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}}
.field{display:grid;gap:8px}
.field label{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.04em}
.field input,.field textarea{
  height:44px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--bg);
  padding:0 14px;font-size:15px;transition:border-color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.8;resize:vertical}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(182,226,62,.45);
}
.field .hint{font-size:13px;color:var(--muted)}
.form-actions{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* roulang page: category4 */
:root{
    --primary:#0E4A3F;
    --primary-hi:#17715E;
    --lime:#B6E23E;
    --bg:#F6F7F4;
    --surface:#FFFFFF;
    --dark:#0B0F0E;
    --line:#E2E6E1;
    --text:#151A19;
    --muted:#5A6664;
    --danger:#B4432F;
    --r-xs:10px;
    --r-md:14px;
    --r-lg:20px;
    --r-pill:999px;
    --sh-1:0 1px 2px rgba(11,15,14,.06);
    --sh-2:0 12px 32px -12px rgba(11,15,14,.18);
    --ease:cubic-bezier(.2,.7,.3,1);
    --t-fast:160ms;
    --t-card:220ms;
    --t-reveal:320ms;
    --container:1200px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;height:auto}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  h1,h2,h3{letter-spacing:-0.01em}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

  .container{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px}
  @media(min-width:768px){.container{padding-left:32px;padding-right:32px}}
  @media(min-width:1024px){.container{padding-left:40px;padding-right:40px}}

  .section{padding-top:56px;padding-bottom:56px}
  @media(min-width:768px){.section{padding-top:80px;padding-bottom:80px}}
  @media(min-width:1024px){.section{padding-top:112px;padding-bottom:112px}}

  /* ---------- 导航 ---------- */
  .site-header{position:sticky;top:0;z-index:60;padding:12px 12px 0}
  .header-shell{max-width:1224px;margin:0 auto}
  .nav-panel{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    background:var(--surface);border:1px solid var(--line);border-radius:16px;
    padding:10px 14px;box-shadow:var(--sh-1);
    transition:box-shadow var(--t-card) var(--ease),border-color var(--t-card) var(--ease);
  }
  .site-header.is-stuck .nav-panel{box-shadow:var(--sh-2)}
  .brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--text);white-space:nowrap}
  .brand-mark{width:28px;height:28px;border-radius:6px;background:var(--primary);position:relative;flex:0 0 28px}
  .brand-mark::after{content:"";position:absolute;right:4px;bottom:4px;width:12px;height:12px;background:var(--lime);border-radius:2px}
  .nav-links{display:none;align-items:center;gap:6px}
  @media(min-width:900px){.nav-links{display:flex}}
  .nav-chip{
    display:inline-flex;align-items:center;gap:6px;
    padding:8px 12px;border-radius:var(--r-xs);
    background:var(--bg);border:1px solid var(--line);
    font-size:14px;font-weight:500;color:var(--muted);white-space:nowrap;
    transition:background-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
  }
  .nav-chip svg{flex:0 0 auto}
  .nav-chip:hover{background:rgba(14,74,63,.08);color:var(--primary);border-color:rgba(14,74,63,.2)}
  .nav-chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff}
  .nav-chip.is-active:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
  .nav-actions{display:flex;align-items:center;gap:10px}
  .nav-actions>.btn-primary{display:none}
  @media(min-width:900px){.nav-actions>.btn-primary{display:inline-flex}}
  .nav-toggle{
    display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;
    width:44px;height:44px;border-radius:var(--r-xs);border:1px solid var(--line);background:var(--surface);
    transition:border-color var(--t-fast) var(--ease);
  }
  .nav-toggle:hover{border-color:rgba(14,74,63,.4)}
  .nav-toggle span{display:block;width:18px;height:1.5px;background:var(--text);border-radius:2px}
  @media(min-width:900px){.nav-toggle{display:none}}
  .nav-drawer{
    max-width:1224px;margin:10px auto 0;
    background:var(--surface);border:1px solid var(--line);border-radius:16px;
    box-shadow:var(--sh-2);padding:16px;
  }
  .nav-drawer[hidden]{display:none}
  .drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .drawer-grid .nav-chip{width:100%;justify-content:flex-start;padding:10px 12px}
  .drawer-cta{width:100%;margin-top:14px}
  @media(min-width:520px){.drawer-cta{width:auto}}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 20px;border-radius:var(--r-xs);
    font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
    white-space:nowrap;cursor:pointer;
    transition:transform var(--t-fast) var(--ease),background-color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease);
  }
  .btn:active{transform:scale(.98)}
  .btn-primary{background:var(--primary);color:#fff}
  .btn-primary:hover{background:var(--primary-hi);transform:translateY(-1px)}
  .btn-ghost{background:var(--surface);border-color:var(--line);color:var(--text)}
  .btn-ghost:hover{border-color:rgba(14,74,63,.4);transform:translateY(-1px)}
  .btn-lime{background:var(--lime);color:#0B0F0E}
  .btn-lime:hover{background:#c6ee55;transform:translateY(-1px)}
  .btn-sm{height:38px;padding:0 14px;font-size:14px}
  @media(max-width:640px){
    .btn:not(.btn-sm):not(.nav-toggle){width:100%;height:46px}
  }

  /* ---------- 徽章 / 标签 ---------- */
  .badge{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);background:rgba(14,74,63,.08);color:var(--primary);font-size:12px;font-weight:600;letter-spacing:.06em}
  .badge-dark{background:rgba(255,255,255,.1);color:#fff}
  .eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--primary);margin-bottom:14px}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap}
  .breadcrumb a{transition:color var(--t-fast) var(--ease)}
  .breadcrumb a:hover{color:var(--primary)}
  .breadcrumb .sep{color:#B9C1BE}
  .breadcrumb .current{color:var(--text);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

  /* ---------- Hero ---------- */
  .cat-hero{position:relative;overflow:hidden;padding-top:40px;padding-bottom:48px;border-bottom:1px solid var(--line)}
  @media(min-width:768px){.cat-hero{padding-top:56px;padding-bottom:72px}}
  .cat-hero::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:linear-gradient(rgba(14,74,63,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(14,74,63,.055) 1px,transparent 1px);
    background-size:52px 52px;
  }
  .cat-hero::after{
    content:"";position:absolute;top:-140px;right:-120px;width:360px;height:360px;border-radius:50%;
    background:radial-gradient(circle,rgba(14,74,63,.07) 0%,rgba(14,74,63,0) 68%);pointer-events:none;
  }
  .cat-hero .container{position:relative;z-index:1}
  .cat-hero h1{
    font-size:clamp(2rem,5.4vw,3.6rem);
    line-height:1.14;font-weight:700;margin-top:20px;max-width:14em;
  }
  .cat-hero-lead{margin-top:18px;max-width:46em;font-size:17px;line-height:1.85;color:var(--muted)}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
  .hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:28px;font-size:13px;color:var(--muted)}
  .hero-meta .dot{width:4px;height:4px;border-radius:50%;background:#C3CBC7}

  /* ---------- 锚点条 ---------- */
  .anchor-bar{background:var(--surface);border-bottom:1px solid var(--line);padding-top:24px;padding-bottom:24px}
  .anchor-bar-inner{display:flex;flex-direction:column;gap:14px}
  @media(min-width:768px){.anchor-bar-inner{flex-direction:row;align-items:center;gap:22px}}
  .anchor-label{font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--muted);white-space:nowrap}
  .anchor-tags{display:flex;flex-wrap:wrap;gap:8px}
  .tag{
    display:inline-flex;align-items:center;height:36px;padding:0 14px;border-radius:var(--r-pill);
    border:1px solid var(--line);background:var(--bg);font-size:13px;color:var(--muted);
    transition:border-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease);
  }
  .tag:hover{border-color:rgba(14,74,63,.35);color:var(--primary)}
  .tag.is-current{background:rgba(14,74,63,.08);border-color:rgba(14,74,63,.3);color:var(--primary);font-weight:600}

  /* ---------- 板块标题 ---------- */
  .section-head{max-width:44em;margin-bottom:32px}
  @media(min-width:1024px){.section-head{margin-bottom:48px}}
  .section-head h2{font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.22;font-weight:600}
  .section-sub{margin-top:14px;font-size:16px;line-height:1.85;color:var(--muted)}

  /* ---------- 三列竖版图文卡 ---------- */
  .feature-grid{display:grid;grid-template-columns:1fr;gap:24px}
  @media(min-width:640px){.feature-grid{grid-template-columns:1fr 1fr}}
  @media(min-width:1024px){.feature-grid{grid-template-columns:repeat(3,1fr);gap:32px}}
  .feature-card{
    display:flex;flex-direction:column;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
    padding:20px;box-shadow:var(--sh-1);
    transition:transform var(--t-card) var(--ease),box-shadow var(--t-card) var(--ease),border-color var(--t-card) var(--ease);
  }
  .feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(14,74,63,.4)}
  .feature-index{
    align-self:flex-start;margin-bottom:16px;
    display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-pill);
    background:var(--dark);color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.06em;
  }
  .feature-thumb{aspect-ratio:4/5;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:rgba(14,74,63,.06)}
  .feature-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease)}
  .feature-card:hover .feature-thumb img{transform:scale(1.04)}
  .feature-card h3{margin-top:20px;font-size:1.125rem;line-height:1.4;font-weight:600}
  .feature-card p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--muted)}

  .text-link{
    display:inline-flex;align-items:center;gap:6px;margin-top:auto;padding-top:18px;
    font-size:14px;font-weight:600;color:var(--primary);
  }
  .text-link span{position:relative}
  .text-link span::after{
    content:"";position:absolute;left:0;bottom:-3px;width:100%;height:1px;background:var(--lime);
    transform:scaleX(0);transform-origin:left;transition:transform var(--t-fast) var(--ease);
  }
  .text-link:hover span::after{transform:scaleX(1)}
  .text-link svg{transition:transform var(--t-fast) var(--ease)}
  .text-link:hover svg{transform:translateX(3px)}

  /* ---------- 深色区块 ---------- */
  .dark-band{background:var(--dark);color:#fff;padding-top:56px;padding-bottom:56px}
  @media(min-width:768px){.dark-band{padding-top:80px;padding-bottom:80px}}
  @media(min-width:1024px){.dark-band{padding-top:104px;padding-bottom:104px}}
  .dark-band .section-head h2{color:#fff}
  .dark-band .section-sub{color:rgba(255,255,255,.66)}
  .dark-band .eyebrow{color:var(--lime)}
  .dark-grid{
    display:grid;grid-template-columns:1fr 1fr;
    border-top:1px solid rgba(182,226,62,.22);
    border-left:1px solid rgba(182,226,62,.22);
    border-radius:var(--r-md);overflow:hidden;
  }
  @media(min-width:768px){.dark-grid{grid-template-columns:repeat(4,1fr)}}
  .dark-stat{
    padding:26px 20px;
    border-right:1px solid rgba(182,226,62,.22);
    border-bottom:1px solid rgba(182,226,62,.22);
    background:rgba(255,255,255,.02);
  }
  .dark-stat strong{
    display:block;font-size:clamp(1.9rem,4vw,2.75rem);font-weight:700;line-height:1.1;
    color:#fff;font-variant-numeric:tabular-nums;
  }
  .dark-stat span{display:block;margin-top:8px;font-size:13px;line-height:1.6;color:rgba(255,255,255,.62)}
  .dark-note{margin-top:28px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:52em}

  /* ---------- 列表要点 ---------- */
  .check-list{display:grid;gap:12px;margin-top:24px}
  @media(min-width:768px){.check-list{grid-template-columns:1fr 1fr;gap:12px 32px}}
  .check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;line-height:1.75;color:var(--muted)}
  .check-list li::before{
    content:"";flex:0 0 auto;width:4px;height:4px;border-radius:1px;
    background:var(--primary);margin-top:.72em;
  }

  /* ---------- 占位卡片 ---------- */
  .placeholder-card{
    border:1px dashed #C9D2CE;border-radius:var(--r-md);
    background:rgba(255,255,255,.6);
    min-height:200px;padding:32px 24px;
    display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;
  }
  .placeholder-card svg{color:var(--primary);opacity:.7}
  .placeholder-card p{font-size:15px;line-height:1.8;color:var(--muted);max-width:34em}

  /* ---------- 团队说明卡 ---------- */
  .split-grid{display:grid;grid-template-columns:1fr;gap:24px}
  @media(min-width:900px){.split-grid{grid-template-columns:1fr 1fr;gap:32px}}
  .info-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
    padding:26px 24px;box-shadow:var(--sh-1);
    transition:transform var(--t-card) var(--ease),box-shadow var(--t-card) var(--ease),border-color var(--t-card) var(--ease);
  }
  .info-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(14,74,63,.4)}
  .info-card h3{font-size:1.125rem;font-weight:600;line-height:1.4}
  .info-card p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--muted)}
  .info-icon{
    display:inline-flex;align-items:center;justify-content:center;
    width:40px;height:40px;border-radius:var(--r-xs);
    background:rgba(14,74,63,.08);color:var(--primary);margin-bottom:18px;
  }

  /* ---------- CTA 带 ---------- */
  .cta-band{
    position:relative;overflow:hidden;color:#fff;
    background:var(--primary);border-radius:var(--r-lg);
    padding:36px 24px;
    display:flex;flex-direction:column;gap:24px;
  }
  @media(min-width:768px){.cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:48px;gap:40px}}
  .cta-band::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.045) 0 2px,transparent 2px 14px);
  }
  .cta-band h2{position:relative;font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.22;font-weight:600}
  .cta-band p{position:relative;margin-top:10px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.76);max-width:32em}
  .cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--dark);color:#fff;padding-top:64px;margin-top:0}
  .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:1.6fr 1fr 1fr 1fr;gap:32px}}
  .footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:#fff}
  .footer-desc{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:30em}
  .footer-contact{margin-top:18px;font-size:14px;line-height:2;color:rgba(255,255,255,.6)}
  .footer-contact strong{color:rgba(255,255,255,.88);font-weight:600}
  .footer-col h3{font-size:14px;font-weight:600;color:#fff;letter-spacing:.02em;margin-bottom:16px}
  .footer-col a{display:block;font-size:14px;line-height:2.2;color:rgba(255,255,255,.6);transition:color var(--t-fast) var(--ease)}
  .footer-col a:hover{color:var(--lime)}
  .footer-bottom{
    margin-top:48px;padding:22px 0 28px;border-top:1px solid rgba(255,255,255,.1);
    display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.5);
  }
  .footer-bottom .domain{font-variant-numeric:tabular-nums;letter-spacing:.02em}

  /* ---------- 入场动效 ---------- */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity var(--t-reveal) var(--ease),transform var(--t-reveal) var(--ease)}
  .reveal.is-visible{opacity:1;transform:none}
  @media(prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none;transition:none}
    *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  }