/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --c-brand:#0F5A4E;
  --c-brand-deep:#0A4038;
  --c-brand-soft:#DCEAE6;
  --c-accent:#D9703B;
  --c-bg:#F7F5EF;
  --c-surface:#FFFFFF;
  --c-line:#E4E1D8;
  --c-ink:#14181A;
  --c-ink-2:#4A5654;
  --c-ink-3:#86938F;
  --c-dark:#10201D;
  --c-dark-ink:#F2F0E9;
  --c-dark-ink-2:#A9B6B2;
  --c-ok:#2E7D5B;
  --c-warn:#C08A2E;
  --c-err:#B4462F;
  --r-card:16px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,24,26,.04);
  --sh-2:0 10px 30px -18px rgba(10,64,56,.28);
  --sh-3:0 14px 34px -18px rgba(10,64,56,.36);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
/* ============ 基础 ============ */
*,*::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-ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  letter-spacing:0;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{
  font-family:var(--font-serif);
  font-weight:600;
  line-height:1.32;
  letter-spacing:-.01em;
  margin:0;
  color:var(--c-ink);
}
p{margin:0}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button{font:inherit;color:inherit;border:none;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
input,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding-top:0}
.section--soft{background:#F1F4F2}
.section-head{max-width:760px;margin-bottom:48px}
.section-head--row{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--c-brand);
  background:var(--c-brand-soft);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:18px;font-weight:600;
}
.section-title{font-size:34px;margin-bottom:16px}
.section-desc{color:var(--c-ink-2);font-size:16.5px;line-height:1.85;max-width:720px}
.muted{color:var(--c-ink-3)}
.dotmark{
  display:grid;grid-template-columns:repeat(3,3px);grid-template-rows:repeat(3,3px);
  gap:2.5px;width:14px;height:14px;
}
.dotmark i{width:3px;height:3px;border-radius:50%;background:currentColor;opacity:.5;display:block}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;font-family:var(--font-sans);
  border:1.5px solid transparent;white-space:nowrap;
  transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 10px 24px -16px rgba(217,112,59,.9)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(.92)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-brand);border-color:var(--c-brand)}
.btn-ghost:hover{background:var(--c-brand-soft);transform:translateY(-2px)}
.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-brand);
  font-weight:600;font-size:15px;
}
.link-arrow span{transition:transform .2s var(--ease)}
.link-arrow:hover span{transform:translateX(4px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--c-brand-soft);color:var(--c-brand);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.badge--accent{background:rgba(217,112,59,.12);color:#A8522A}

/* ============ 浮动 Dock 导航 ============ */
.dock-wrap{
  position:fixed;top:16px;left:0;right:0;z-index:90;
  display:flex;justify-content:center;padding:0 24px;pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:min(1120px,100%);height:64px;
  display:flex;align-items:center;gap:20px;
  padding:0 12px 0 18px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-2);
  transition:height .24s var(--ease),box-shadow .24s var(--ease);
}
.dock.is-scrolled{height:60px;box-shadow:var(--sh-3)}
.dock-logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-brand);
  display:grid;grid-template-columns:repeat(3,3px);grid-template-rows:repeat(3,3px);
  gap:2.5px;place-content:center;flex:none;
}
.logo-mark i{width:3px;height:3px;border-radius:50%;background:#F7F5EF;opacity:.9;display:block}
.logo-text{font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--c-brand-deep);letter-spacing:.01em}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:12px}
.dock-menu a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  font-size:15px;color:var(--c-ink-2);font-weight:500;border-radius:var(--r-pill);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.dock-menu a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;
  background:var(--c-brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);border-radius:2px;
}
.dock-menu a:hover{color:var(--c-brand)}
.dock-menu a:hover::after{transform:scaleX(1)}
.dock-menu a.is-active{color:var(--c-brand);font-weight:600}
.dock-menu a.is-active::after{transform:scaleX(1)}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.search-btn{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  color:var(--c-brand);border:1px solid var(--c-line);background:#fff;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.search-btn:hover{background:var(--c-brand-soft);border-color:transparent}
.search-btn svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.8}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;place-items:center;
  border:1px solid var(--c-line);background:#fff;color:var(--c-brand);
}
.hamburger span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.search-panel{
  pointer-events:auto;
  width:min(1120px,100%);margin:10px auto 0;
  background:rgba(255,255,255,.97);
  border:1px solid var(--c-line);border-radius:20px;box-shadow:var(--sh-3);
  padding:16px;display:none;
}
.search-panel.is-open{display:block;animation:panelIn .22s var(--ease)}
@keyframes panelIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.search-panel form{display:flex;gap:10px}
.search-panel input{
  flex:1;height:48px;border-radius:var(--r-img);border:1px solid var(--c-line);
  padding:0 16px;background:#fff;font-size:15px;
}
.search-panel input:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(15,90,78,.12)}
.dock-inner{display:flex;flex-direction:column;width:min(1120px,100%);margin:0 auto;pointer-events:none}
.mobile-panel{
  pointer-events:auto;display:none;margin-top:10px;
  background:rgba(255,255,255,.97);border:1px solid var(--c-line);
  border-radius:20px;box-shadow:var(--sh-3);padding:10px;overflow:hidden;
}
.mobile-panel.is-open{display:block;animation:panelIn .22s var(--ease)}
.mobile-panel a{
  display:flex;align-items:center;min-height:48px;padding:0 16px;
  border-radius:12px;font-size:16px;color:var(--c-ink-2);
}
.mobile-panel a:hover,.mobile-panel a.is-active{background:var(--c-brand-soft);color:var(--c-brand);font-weight:600}
.mobile-panel .btn{width:100%;margin-top:8px}

/* ============ Hero ============ */
.hero{padding:150px 0 88px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0 0 auto auto;width:520px;height:520px;
  background:radial-gradient(circle at 70% 30%,rgba(220,234,230,.85),rgba(247,245,239,0) 68%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1fr 0.88fr;gap:56px;align-items:center;position:relative}
.hero h1{font-size:48px;line-height:1.24;margin-bottom:22px}
.hero h1 em{font-style:normal;color:var(--c-brand);position:relative;white-space:nowrap}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;
  background:rgba(217,112,59,.20);border-radius:4px;z-index:-1;
}
.hero-sub{font-size:18px;color:var(--c-ink-2);max-width:560px;margin-bottom:32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.trust-bar{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px 20px;
  padding-top:24px;border-top:1px solid var(--c-line);
}
.trust-item{font-size:14px;color:var(--c-ink-3);display:flex;align-items:center;gap:8px}
.trust-item b{font-family:var(--font-num);font-size:17px;color:var(--c-brand);font-weight:700}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;
  box-shadow:var(--sh-3);background:var(--c-brand-soft);
}
.hero-visual::after{
  content:"";position:absolute;right:-18px;bottom:-18px;width:96px;height:96px;
  background-image:radial-gradient(var(--c-brand) 1.6px,transparent 1.6px);
  background-size:16px 16px;opacity:.14;border-radius:16px;
}
.hero-float{
  position:absolute;left:-24px;bottom:28px;background:#fff;border:1px solid var(--c-line);
  border-radius:16px;box-shadow:var(--sh-2);padding:14px 18px;display:flex;gap:12px;align-items:center;
}
.hero-float b{font-family:var(--font-num);font-size:24px;color:var(--c-brand);display:block;line-height:1.2}
.hero-float span{font-size:13px;color:var(--c-ink-3)}

/* ============ 痛点 ============ */
.pain-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px}
.pain-item{
  display:flex;gap:18px;padding:24px 0;border-bottom:1px solid var(--c-line);
}
.pain-item .num{
  font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--c-accent);
  width:34px;height:34px;border-radius:50%;background:rgba(217,112,59,.12);
  display:grid;place-items:center;flex:none;margin-top:4px;
}
.pain-item h3{font-size:19px;margin-bottom:6px;font-family:var(--font-sans);font-weight:600}
.pain-item p{font-size:15.5px;color:var(--c-ink-2);line-height:1.8}

/* ============ 解决方案 ============ */
.sol-layout{display:grid;grid-template-columns:280px 1fr;gap:56px;align-items:start}
.sol-sticky{position:sticky;top:110px}
.sol-sticky h2{font-size:30px;margin-bottom:14px}
.sol-sticky p{font-size:15.5px;color:var(--c-ink-2);margin-bottom:24px}
.sol-sticky .dotmark{color:var(--c-brand);margin-bottom:16px}
.sol-nav{display:flex;flex-direction:column;gap:2px;border-left:2px solid var(--c-line);padding-left:16px}
.sol-nav a{font-size:15px;color:var(--c-ink-3);padding:6px 0;transition:color .2s var(--ease),transform .2s var(--ease)}
.sol-nav a:hover{color:var(--c-brand);transform:translateX(3px)}
.sol-row{
  display:grid;grid-template-columns:1fr 0.86fr;gap:40px;align-items:center;
  padding:36px 0;border-bottom:1px solid var(--c-line);
}
.sol-row:first-child{padding-top:0}
.sol-row:last-child{border-bottom:none;padding-bottom:0}
.sol-row--flip{grid-template-columns:0.86fr 1fr}
.sol-row--flip .sol-media{order:-1}
.sol-row h3{font-size:24px;margin-bottom:12px}
.sol-row p{font-size:16px;color:var(--c-ink-2);margin-bottom:18px}
.sol-row img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--r-img);background:var(--c-brand-soft)}
.check-list{display:flex;flex-direction:column;gap:10px}
.check-list li{display:flex;gap:10px;font-size:15.5px;color:var(--c-ink-2);align-items:flex-start}
.check-list li::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--c-accent);
  margin-top:10px;flex:none;
}

/* ============ 成果 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;margin-bottom:56px}
.stat{border-top:2px solid var(--c-brand);padding-top:20px}
.stat b{
  display:block;font-family:var(--font-serif);font-size:38px;color:var(--c-brand);
  line-height:1.15;font-weight:700;letter-spacing:-.02em;
}
.stat span{display:block;font-size:13.5px;color:var(--c-ink-3);margin-top:8px;line-height:1.7}
.case-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.case-card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,90,78,.22)}
.case-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--c-brand-soft)}
.case-body{padding:24px}
.case-body h3{font-size:21px;margin:12px 0 10px}
.case-body p{font-size:15.5px;color:var(--c-ink-2);margin-bottom:16px}

/* ============ 客户证言 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.quote-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);position:relative;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.quote-card .mark{
  font-family:var(--font-serif);font-size:48px;color:var(--c-brand-soft);
  line-height:1;margin-bottom:6px;font-weight:700;
}
.quote-card blockquote{margin:0;font-size:16.5px;color:var(--c-ink-2);line-height:1.85}
.quote-foot{display:flex;align-items:center;gap:12px;margin-top:22px;padding-top:18px;border-top:1px solid var(--c-line)}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--c-brand-soft);color:var(--c-brand);
  display:grid;place-items:center;font-size:15px;font-weight:700;flex:none;
}
.quote-foot b{display:block;font-size:15px;font-weight:600;font-family:var(--font-sans)}
.quote-foot span{font-size:13.5px;color:var(--c-ink-3)}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-1);min-height:250px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,90,78,.22)}
.news-card h3{
  font-size:20px;margin:16px 0 10px;font-family:var(--font-sans);font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:15.5px;color:var(--c-ink-2);line-height:1.75;margin-bottom:20px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--c-line);
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  font-size:13.5px;color:var(--c-ink-3);
}
.news-meta .go{color:var(--c-brand);font-weight:600;display:inline-flex;align-items:center;gap:5px}
.news-card:hover .go span{transform:translateX(4px)}
.news-meta .go span{transition:transform .2s var(--ease)}
.empty-state{
  max-width:520px;margin:0 auto;text-align:center;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:44px 28px;box-shadow:var(--sh-1);
}
.empty-state .dotmark{margin:0 auto 16px;color:var(--c-brand)}
.empty-state p{font-size:17px;color:var(--c-ink-2);margin-bottom:8px}
.empty-state small{display:block;font-size:14px;color:var(--c-ink-3);margin-bottom:22px}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-color:rgba(15,90,78,.28);box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 56px 22px 24px;position:relative;
  font-size:17px;font-weight:600;color:var(--c-ink);font-family:var(--font-sans);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:50%;width:14px;height:14px;margin-top:-7px;
  background:
    linear-gradient(var(--c-brand),var(--c-brand)) center/14px 1.8px no-repeat,
    linear-gradient(var(--c-brand),var(--c-brand)) center/1.8px 14px no-repeat;
  transition:transform .22s var(--ease);
}
.faq-item[open] summary::after{
  transform:rotate(90deg);
  background:linear-gradient(var(--c-brand),var(--c-brand)) center/14px 1.8px no-repeat;
}
.faq-item .faq-body{padding:0 24px 24px;font-size:16px;color:var(--c-ink-2);line-height:1.8}

/* ============ CTA ============ */
.cta-section{background:var(--c-dark);color:var(--c-dark-ink);padding:88px 0}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:34px;margin-bottom:14px}
.cta-inner p{color:var(--c-dark-ink-2);font-size:16.5px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:var(--c-dark-ink);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .dock-logo{margin-bottom:18px}
.footer-brand .logo-mark{background:rgba(255,255,255,.12)}
.footer-brand .logo-mark i{background:#F2F0E9}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:15px;color:var(--c-dark-ink-2);max-width:320px;line-height:1.8}
.footer-col h4{
  font-size:15px;color:#fff;font-family:var(--font-sans);font-weight:600;
  margin-bottom:18px;letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14.5px;color:var(--c-dark-ink-2)}
.footer-col a:hover{color:var(--c-accent)}
.footer-col li{font-size:14.5px;color:var(--c-dark-ink-2)}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.10);
  padding:24px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:#7E8C88;
}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .dock-menu{gap:0}
  .dock-menu a{padding:0 10px;font-size:14.5px}
}
@media (max-width:1023px){
  body{font-size:16.5px}
  .section{padding:72px 0}
  .hero{padding:126px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:38px}
  .hero-sub{font-size:17px}
  .dock-menu{display:none}
  .hamburger{display:grid}
  .dock-actions .btn{display:none}
  .sol-layout{grid-template-columns:1fr;gap:32px}
  .sol-sticky{position:static}
  .sol-nav{flex-direction:row;flex-wrap:wrap;border-left:none;padding-left:0;gap:8px}
  .sol-nav a{padding:6px 14px;border-radius:var(--r-pill);background:var(--c-brand-soft);color:var(--c-brand);font-size:14px}
  .sol-nav a:hover{transform:none}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .quote-grid{grid-template-columns:1fr;gap:20px}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16.5px;line-height:1.8}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .dock-wrap{padding:0 14px;top:12px}
  .dock{height:56px;padding:0 10px 0 14px;gap:12px}
  .logo-text{font-size:17px}
  .logo-mark{width:30px;height:30px;border-radius:9px}
  .hero{padding:104px 0 48px}
  .hero h1{font-size:31px}
  .hero-sub{font-size:16.5px}
  .hero-cta{gap:10px}
  .hero-cta .btn{flex:1 1 auto;justify-content:center}
  .trust-bar{grid-template-columns:1fr 1fr;gap:12px 16px}
  .hero-float{left:12px;bottom:12px;padding:10px 14px}
  .hero-float b{font-size:20px}
  .pain-grid{grid-template-columns:1fr;gap:0}
  .sol-row,.sol-row--flip{grid-template-columns:1fr;gap:24px;padding:28px 0}
  .sol-row--flip .sol-media{order:0}
  .case-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .stat b{font-size:32px}
  .section-title{font-size:27px}
  .cta-section{padding:64px 0}
  .cta-inner h2{font-size:27px}
  .cta-actions .btn{flex:1 1 auto;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-item summary{padding:18px 52px 18px 20px;font-size:16px}
  .faq-item .faq-body{padding:0 20px 20px;font-size:15.5px}
}
@media (max-width:520px){
  .hero h1{font-size:28px}
  .stat-grid{grid-template-columns:1fr 1fr}
  .section-head{margin-bottom:32px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --c-brand:#0F5A4E;
  --c-brand-deep:#0A4038;
  --c-brand-soft:#DCEAE6;
  --c-accent:#D9703B;
  --c-bg:#F7F5EF;
  --c-surface:#FFFFFF;
  --c-line:#E4E1D8;
  --c-ink:#14181A;
  --c-ink-2:#4A5654;
  --c-ink-3:#86938F;
  --c-dark:#10201D;
  --c-dark-text:#F2F0E9;
  --c-dark-2:#A9B6B2;
  --c-ok:#2E7D5B;
  --c-warn:#C08A2E;
  --c-err:#B4462F;
  --r-pill:999px;
  --r-card:16px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,24,26,.04);
  --sh-2:0 10px 30px -18px rgba(10,64,56,.28);
  --sp-1:16px;
  --sp-2:24px;
  --sp-3:32px;
  --t:220ms cubic-bezier(.2,.7,.3,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",Georgia,serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  padding-top:118px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--c-brand);text-decoration:none;}
a:hover{text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:700;letter-spacing:-0.005em;color:var(--c-ink);}
p{margin:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ Dock 导航 ============ */
.dock{
  position:fixed;top:18px;left:50%;transform:translateX(-50%);
  width:min(1120px,92vw);z-index:120;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-2);
  transition:box-shadow var(--t),height var(--t),top var(--t),background var(--t);
}
.dock-inner{
  height:64px;display:flex;align-items:center;gap:var(--sp-2);
  padding:0 12px 0 20px;
  transition:height var(--t);
}
.dock.is-scrolled{top:10px;box-shadow:0 14px 38px -20px rgba(10,64,56,.42);}
.dock.is-scrolled .dock-inner{height:58px;}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:30px;height:30px;flex:0 0 auto;border-radius:9px;
  background:var(--c-brand-soft);
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:2px;padding:5px;
}
.logo-mark i{background:var(--c-brand);border-radius:50%;display:block;opacity:.9;}
.logo-text{font-family:var(--font-serif);font-size:19px;font-weight:700;color:var(--c-brand);letter-spacing:-0.01em;}
.dock-links{display:flex;align-items:center;gap:4px;margin-left:6px;flex:1 1 auto;}
.dock-links a{
  position:relative;display:inline-block;padding:8px 12px;border-radius:var(--r-pill);
  font-size:15px;color:var(--c-ink-2);transition:color var(--t),background var(--t);white-space:nowrap;
}
.dock-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.dock-links a:hover{color:var(--c-brand);background:rgba(220,234,230,.45);}
.dock-links a:hover::after,.dock-links a.is-active::after{transform:scaleX(1);}
.dock-links a.is-active{color:var(--c-brand);font-weight:600;}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.dock-search{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--c-line);
  background:var(--c-surface);display:flex;align-items:center;justify-content:center;
  color:var(--c-brand);transition:border-color var(--t),background var(--t),transform var(--t);
}
.dock-search:hover{border-color:rgba(15,90,78,.35);background:var(--c-brand-soft);transform:translateY(-2px);}
.dock-search svg{width:17px;height:17px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--c-line);
  background:var(--c-surface);align-items:center;justify-content:center;color:var(--c-brand);
}
.nav-toggle span{display:block;width:16px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;border-radius:2px;}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.dock-panel{
  display:none;border-top:1px solid var(--c-line);padding:12px 18px 18px;
  background:rgba(255,255,255,.98);border-radius:0 0 24px 24px;
}
.dock-panel.is-open{display:block;}
.dock-panel a{
  display:flex;align-items:center;min-height:48px;padding:0 10px;border-radius:12px;
  color:var(--c-ink-2);font-size:16px;border-bottom:1px solid var(--c-line);
}
.dock-panel a:last-of-type{border-bottom:none;}
.dock-panel a:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.dock-panel .btn{margin-top:12px;width:100%;justify-content:center;}
.dock-searchbar{display:none;padding:0 18px 16px;background:rgba(255,255,255,.98);border-radius:0 0 24px 24px;}
.dock-searchbar.is-open{display:block;}
.dock-searchbar input{
  width:100%;height:46px;border-radius:var(--r-input);border:1px solid var(--c-line);
  background:var(--c-bg);padding:0 16px;font-size:15px;color:var(--c-ink);
}
.dock-searchbar input:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(15,90,78,.14);}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);border:1.5px solid transparent;
  font-size:16px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:transform var(--t),filter var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-primary{background:var(--c-accent);color:#fff;}
.btn-primary:hover{filter:brightness(.92);transform:translateY(-2px);}
.btn-outline{background:transparent;border-color:var(--c-brand);color:var(--c-brand);}
.btn-outline:hover{background:var(--c-brand-soft);transform:translateY(-2px);}
.btn-ghost-light{background:transparent;border-color:rgba(242,240,233,.55);color:var(--c-dark-text);}
.btn-ghost-light:hover{background:rgba(242,240,233,.12);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:15px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-brand-soft);color:var(--c-brand);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-brand);font-weight:600;font-size:15px;}
.link-arrow svg{width:14px;height:14px;transition:transform var(--t);}
.link-arrow:hover svg{transform:translateX(4px);}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;padding:56px 0 44px;
  background:
    linear-gradient(180deg,rgba(16,32,29,.82) 0%,rgba(10,64,56,.88) 100%),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  border-radius:0 0 32px 32px;
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;right:-60px;top:-40px;width:240px;height:240px;
  background-image:radial-gradient(var(--c-brand-soft) 2px,transparent 2.4px);
  background-size:22px 22px;opacity:.14;pointer-events:none;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:rgba(242,240,233,.72);margin-bottom:24px;
}
.breadcrumb a{color:rgba(242,240,233,.8);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:rgba(242,240,233,.6);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero .badge{background:rgba(220,234,230,.18);color:#EAF3F0;margin-bottom:16px;}
.article-hero h1{
  color:#fff;font-size:40px;line-height:1.3;max-width:900px;margin-bottom:18px;
}
.article-lead{
  color:rgba(242,240,233,.82);font-size:18px;line-height:1.75;max-width:760px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:24px;font-size:14px;color:rgba(242,240,233,.68);
}
.article-meta .dot{opacity:.5;}

/* ============ 正文阅读区 ============ */
.article-wrap{padding:64px 0 0;}
.article-body{
  max-width:760px;margin:0 auto;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:48px 48px 40px;
  font-size:17px;line-height:1.85;color:var(--c-ink-2);
}
.article-body h2{
  font-size:28px;line-height:1.4;color:var(--c-ink);margin:48px 0 16px;
  padding-left:16px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;background:var(--c-brand);
}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:21px;line-height:1.5;color:var(--c-ink);margin:32px 0 12px;}
.article-body h4{font-size:18px;color:var(--c-ink);margin:24px 0 10px;}
.article-body p{margin:0 0 1.15em;line-height:1.85;}
.article-body a{color:var(--c-brand);text-decoration:underline;text-underline-offset:3px;}
.article-body strong{color:var(--c-ink);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:0;}
.article-body li{
  position:relative;padding-left:26px;margin-bottom:10px;line-height:1.85;
}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:13px;width:6px;height:6px;border-radius:50%;
  background:var(--c-brand);opacity:.85;
}
.article-body ol{counter-reset:item;}
.article-body ol li{counter-increment:item;}
.article-body ol li::before{
  content:counter(item);position:absolute;left:0;top:4px;
  width:18px;height:18px;border-radius:50%;background:var(--c-brand-soft);color:var(--c-brand);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;line-height:1;
}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--c-brand);
  background:#F1F4F2;border-radius:0 var(--r-img) var(--r-img) 0;color:var(--c-ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:24px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--c-ink-3);margin-top:8px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--c-line);border-radius:var(--r-img);overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:12px 14px;text-align:left;}
.article-body th{background:#F1F4F2;color:var(--c-ink);font-weight:600;}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:32px 0;}
.empty-state{
  max-width:520px;margin:0 auto;text-align:center;padding:24px 8px;
}
.empty-mark{
  width:88px;height:88px;margin:0 auto 20px;border-radius:20px;background:var(--c-brand-soft);
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:6px;padding:16px;opacity:.8;
}
.empty-mark i{background:var(--c-brand);border-radius:50%;display:block;opacity:.35;}
.empty-state p{font-size:17px;color:var(--c-ink-2);margin-bottom:8px;}
.empty-state span{display:block;font-size:14px;color:var(--c-ink-3);margin-bottom:20px;}

/* ============ 文末信息 ============ */
.article-foot{max-width:760px;margin:0 auto;padding:28px 0 0;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:24px;}
.tag-row .label{font-size:14px;color:var(--c-ink-3);}
.foot-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding-top:24px;border-top:1px solid var(--c-line);}

/* ============ 相关阅读 ============ */
.section{padding:80px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-2);margin-bottom:32px;}
.section-head h2{font-size:32px;line-height:1.3;}
.section-head p{margin-top:10px;font-size:16px;color:var(--c-ink-2);max-width:640px;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-2);}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,90,78,.22);}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-brand-soft);}
.card-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.card-cover .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.card-body h3{
  font-size:20px;line-height:1.45;font-family:var(--font-serif);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body .desc{
  font-size:15px;line-height:1.7;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding-top:16px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-3);
}

/* ============ CTA 深色区 ============ */
.cta-section{padding:80px 0 0;}
.cta-box{
  position:relative;background:var(--c-dark);border-radius:24px;overflow:hidden;
  padding:64px 56px;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:var(--sp-3);min-height:280px;
}
.cta-box::after{
  content:"";position:absolute;right:-40px;bottom:-50px;width:220px;height:220px;
  background-image:radial-gradient(var(--c-brand-soft) 2px,transparent 2.4px);
  background-size:22px 22px;opacity:.12;pointer-events:none;
}
.cta-box h2{color:var(--c-dark-text);font-size:34px;line-height:1.35;max-width:620px;}
.cta-box p{color:var(--c-dark-2);font-size:16px;margin-top:14px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{margin-top:96px;background:var(--c-dark);color:var(--c-dark-text);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:var(--sp-3);}
.footer-brand .dock-logo{margin-bottom:16px;}
.footer-brand .logo-mark{background:rgba(220,234,230,.14);}
.footer-brand .logo-mark i{background:var(--c-brand-soft);}
.footer-brand .logo-text{color:var(--c-dark-text);}
.footer-brand p{color:var(--c-dark-2);font-size:15px;line-height:1.8;max-width:340px;}
.footer-col h4{color:var(--c-dark-text);font-size:16px;margin-bottom:16px;font-family:var(--font-sans);font-weight:600;}
.footer-col ul li{margin-bottom:12px;font-size:15px;color:var(--c-dark-2);}
.footer-col ul li a{color:var(--c-dark-2);transition:color var(--t);}
.footer-col ul li a:hover{color:var(--c-accent);}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(242,240,233,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:14px;color:var(--c-dark-2);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-hero h1{font-size:36px;}
  .card-grid{gap:20px;}
}
@media (max-width:1023px){
  body{padding-top:108px;}
  .dock-links{display:none;}
  .nav-toggle{display:flex;}
  .dock-actions .btn-sm{display:none;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-body{padding:40px 36px 32px;}
  .cta-box{padding:48px 32px;}
}
@media (max-width:767px){
  body{font-size:16.5px;padding-top:96px;}
  .container{padding:0 18px;}
  .dock{width:94vw;top:12px;border-radius:22px;}
  .dock-inner{height:56px;padding:0 10px 0 14px;}
  .article-hero{padding:36px 0 32px;border-radius:0 0 24px 24px;}
  .article-hero h1{font-size:30px;line-height:1.35;}
  .article-lead{font-size:16.5px;}
  .breadcrumb{margin-bottom:18px;}
  .breadcrumb .current{max-width:100%;white-space:normal;}
  .article-wrap{padding:40px 0 0;}
  .article-body{padding:28px 20px 24px;border-radius:var(--r-img);}
  .article-body h2{font-size:23px;margin:36px 0 14px;}
  .article-body h3{font-size:19px;margin:26px 0 10px;}
  .section{padding:56px 0 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .section-head h2{font-size:26px;}
  .card-grid{grid-template-columns:1fr;}
  .cta-section{padding:56px 0 0;}
  .cta-box{padding:40px 22px;border-radius:20px;}
  .cta-box h2{font-size:26px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .site-footer{margin-top:64px;padding:48px 0 24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .foot-actions{flex-direction:column;align-items:stretch;}
  .foot-actions .btn{width:100%;}
}
@media (max-width:400px){
  .container{padding:0 16px;}
  .article-hero h1{font-size:26px;}
  .article-body{padding:22px 16px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --c-brand:#0F5A4E;
  --c-brand-deep:#0A4038;
  --c-brand-soft:#DCEAE6;
  --c-accent:#D9703B;
  --c-bg:#F7F5EF;
  --c-surface:#FFFFFF;
  --c-line:#E4E1D8;
  --c-ink:#14181A;
  --c-ink-2:#4A5654;
  --c-ink-3:#86938F;
  --c-dark:#10201D;
  --c-dark-text:#F2F0E9;
  --c-dark-text-2:#A9B6B2;
  --c-success:#2E7D5B;
  --c-warn:#C08A2E;
  --c-error:#B4462F;
  --r-dock:999px;
  --r-card:16px;
  --r-img:12px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(20,24,26,.04);
  --sh-2:0 10px 30px -18px rgba(10,64,56,.28);
  --sp-1:16px;
  --sp-2:24px;
  --sp-3:32px;
  --sec:96px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --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(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.005em;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--c-accent);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:600;letter-spacing:-.008em;color:var(--c-ink);}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- Dock 导航 ---------- */
.dock-wrap{
  position:fixed;top:0;left:0;right:0;z-index:80;
  padding:16px 0 0;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:min(1120px,92vw);
  margin:0 auto;
  min-height:64px;
  display:flex;align-items:center;gap:var(--sp-2);
  padding:10px 12px 10px 20px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--c-line);
  border-radius:var(--r-dock);
  box-shadow:var(--sh-2);
  transition:height .22s var(--ease),box-shadow .22s var(--ease);
}
.dock.is-scrolled{box-shadow:0 14px 34px -18px rgba(10,64,56,.42);}
.dock-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--c-ink);}
.dock-logo:hover{color:var(--c-brand);}
.logo-mark{
  width:26px;height:26px;display:grid;grid-template-columns:repeat(3,1fr);gap:3px;
}
.logo-mark i{display:block;width:100%;height:100%;border-radius:50%;background:var(--c-brand);opacity:.9;}
.logo-mark i:nth-child(5){background:var(--c-accent);}
.logo-text{font-family:var(--font-serif);font-weight:700;font-size:19px;letter-spacing:.01em;}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock-menu a{
  display:inline-block;padding:10px 14px;border-radius:999px;
  font-size:15px;color:var(--c-ink-2);position:relative;white-space:nowrap;
}
.dock-menu a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--c-brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);border-radius:2px;
}
.dock-menu a:hover{color:var(--c-brand);}
.dock-menu a:hover::after{transform:scaleX(1);}
.dock-menu a.active{color:var(--c-brand);font-weight:600;}
.dock-menu a.active::after{transform:scaleX(1);}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);
  transition:all .2s var(--ease);
}
.icon-btn:hover{border-color:rgba(15,90,78,.3);color:var(--c-brand);background:var(--c-brand-soft);}
.dock-search{
  display:none;align-items:center;gap:8px;background:var(--c-bg);
  border:1px solid var(--c-line);border-radius:999px;padding:4px 6px 4px 14px;
}
.dock-search.is-open{display:flex;}
.dock-search input{
  border:none;background:transparent;height:32px;width:150px;font-size:14px;outline:none;color:var(--c-ink);
}
.dock-search input::placeholder{color:var(--c-ink-3);}
.dock-search button{
  width:30px;height:30px;border-radius:999px;background:var(--c-brand);color:#fff;
  display:grid;place-items:center;font-size:13px;
}
.hamburger{display:none;width:40px;height:40px;border-radius:999px;border:1px solid var(--c-line);background:var(--c-surface);}
.hamburger span{display:block;width:16px;height:1.6px;background:var(--c-ink);margin:3.5px auto;border-radius:2px;transition:.2s var(--ease);}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}
.dock-panel{
  pointer-events:auto;
  width:min(1120px,92vw);margin:10px auto 0;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:12px;display:none;
}
.dock-panel.is-open{display:block;}
.dock-panel a{
  display:block;line-height:48px;padding:0 14px;border-radius:12px;
  color:var(--c-ink-2);font-size:16px;
}
.dock-panel a:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.dock-panel a.active{color:var(--c-brand);font-weight:600;background:rgba(220,234,230,.6);}
.dock-panel .panel-cta{margin-top:8px;}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;font-size:16px;font-weight:600;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 22px -14px rgba(217,112,59,.9);}
.btn-primary:hover{background:#c4631f;color:#fff;transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-brand);border:1.5px solid var(--c-brand);}
.btn-ghost:hover{background:var(--c-brand-soft);color:var(--c-brand-deep);transform:translateY(-2px);}
.btn-light{background:transparent;color:var(--c-dark-text);border:1.5px solid rgba(242,240,233,.5);}
.btn-light:hover{background:rgba(242,240,233,.12);color:#fff;transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:15px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--c-brand-soft);color:var(--c-brand);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.badge-accent{background:rgba(217,112,59,.14);color:#B4571F;}

.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--c-brand);}
.link-arrow span{transition:transform .2s var(--ease);}
.link-arrow:hover span{transform:translateX(4px);}

.section{padding:var(--sec) 0;}
.section-head{max-width:760px;margin-bottom:var(--sp-3);}
.section-head h2{font-size:36px;line-height:1.32;margin-bottom:14px;}
.section-head p{color:var(--c-ink-2);font-size:17px;}

/* ---------- 面包屑 ---------- */
.crumb{padding:112px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:14px;color:var(--c-ink-3);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"›";color:var(--c-ink-3);}
.crumb a{color:var(--c-ink-2);}
.crumb a:hover{color:var(--c-brand);}
.crumb .current{color:var(--c-ink-3);}

/* ---------- Hero ---------- */
.page-hero{padding:32px 0 var(--sec);}
.hero-card{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  border:1px solid var(--c-line);background:var(--c-surface);box-shadow:var(--sh-1);
}
.hero-media{
  position:relative;height:300px;
  background-image:linear-gradient(100deg,rgba(10,64,56,.86) 0%,rgba(10,64,56,.62) 46%,rgba(16,32,29,.42) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.dot-matrix{
  position:absolute;right:34px;top:34px;width:96px;height:96px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:10px;opacity:.3;
}
.dot-matrix i{background:#F2F0E9;border-radius:50%;display:block;}
.hero-media-inner{
  position:absolute;left:0;right:0;bottom:0;padding:0 40px 34px;max-width:820px;
}
.hero-media-inner .badge{background:rgba(242,240,233,.16);color:#F2F0E9;margin-bottom:16px;}
.hero-media-inner h1{
  color:#fff;font-size:44px;line-height:1.26;margin-bottom:14px;text-shadow:0 2px 18px rgba(0,0,0,.22);
}
.hero-media-inner .lead{color:rgba(242,240,233,.9);font-size:18px;line-height:1.75;max-width:660px;}
.hero-body{padding:36px 40px 40px;display:grid;grid-template-columns:1.55fr 1fr;gap:var(--sp-3);align-items:start;}
.hero-body p{color:var(--c-ink-2);font-size:17px;}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:var(--sp-2);}
.hero-stats{
  border-left:1px solid var(--c-line);padding-left:var(--sp-3);
  display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-2);
}
.hero-stats .stat strong{display:block;font-family:var(--font-serif);font-size:30px;color:var(--c-brand);line-height:1.2;}
.hero-stats .stat span{font-size:13px;color:var(--c-ink-3);line-height:1.6;display:block;margin-top:6px;}

/* ---------- 主体：内容 + sticky 锚点 ---------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 262px;gap:56px;align-items:start;}
.anchor-col{position:sticky;top:112px;display:flex;flex-direction:column;gap:var(--sp-2);}
.anchor-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:22px;
}
.anchor-card h3{font-size:17px;margin-bottom:12px;}
.anchor-card nav a{
  display:block;font-size:15px;color:var(--c-ink-2);padding:10px 0 10px 14px;
  border-left:2px solid var(--c-line);line-height:1.5;
}
.anchor-card nav a:hover,.anchor-card nav a.is-active{color:var(--c-brand);border-left-color:var(--c-brand);background:rgba(220,234,230,.35);}
.anchor-card .mini-cta{margin-top:var(--sp-2);width:100%;}

.article-block{padding-bottom:var(--sec);}
.article-block:last-of-type{padding-bottom:64px;}
.block-title{
  display:flex;align-items:center;gap:12px;margin-bottom:var(--sp-2);
}
.block-num{
  font-family:var(--font-serif);font-size:15px;font-weight:700;color:var(--c-brand);
  background:var(--c-brand-soft);border-radius:999px;width:38px;height:38px;display:grid;place-items:center;flex-shrink:0;
}
.block-title h2{font-size:31px;line-height:1.34;}
.pull{
  border-left:3px solid var(--c-brand);background:#F1F4F2;border-radius:0 12px 12px 0;
  padding:20px 24px;color:var(--c-ink-2);font-size:16.5px;margin:var(--sp-2) 0;
}
.media-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-3);align-items:center;margin:var(--sp-3) 0;}
.media-row.reverse .media-text{order:2;}
.media-row.reverse .media-fig{order:1;}
.media-fig img{border-radius:var(--r-img);width:100%;height:300px;object-fit:cover;border:1px solid var(--c-line);}
.media-fig figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:10px;}
.media-text h3{font-size:23px;margin-bottom:12px;}
.point-list{margin-top:var(--sp-2);display:flex;flex-direction:column;gap:12px;}
.point-list li{display:flex;gap:12px;font-size:16px;color:var(--c-ink-2);line-height:1.7;}
.point-list li b{color:var(--c-ink);font-weight:600;}
.point-list li::before{
  content:"";width:9px;height:9px;border-radius:50%;background:var(--c-brand);
  flex-shrink:0;margin-top:11px;
}
.point-list.accent li::before{background:var(--c-accent);}

/* ---------- 两栏对照 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-2);margin-top:var(--sp-3);}
.compare-col{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.compare-col h3{font-size:21px;margin-bottom:8px;}
.compare-col .tagline{font-size:14px;color:var(--c-ink-3);margin-bottom:var(--sp-2);}
.compare-col ul{display:flex;flex-direction:column;gap:10px;}
.compare-col li{font-size:15.5px;color:var(--c-ink-2);padding-left:16px;position:relative;line-height:1.7;}
.compare-col li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--c-brand);}
.compare-col.highlight{border-color:rgba(217,112,59,.34);}
.compare-col.highlight li::before{background:var(--c-accent);}

/* ---------- 其它分类 ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-2);}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,90,78,.22);}
.card-thumb img{width:100%;height:178px;object-fit:cover;}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:20px;line-height:1.4;}
.card-body p{font-size:15.5px;color:var(--c-ink-2);line-height:1.72;}
.card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);font-size:13.5px;color:var(--c-ink-3);display:flex;justify-content:space-between;align-items:center;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-q .sym{position:relative;width:16px;height:16px;flex-shrink:0;}
.faq-q .sym::before,.faq-q .sym::after{
  content:"";position:absolute;background:var(--c-brand);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-q .sym::before{left:0;top:7px;width:16px;height:2px;}
.faq-q .sym::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.is-open .faq-q .sym::after{transform:scaleY(0);opacity:0;}
.faq-a{display:none;padding:0 24px 22px;color:var(--c-ink-2);font-size:16px;line-height:1.8;}
.faq-item.is-open .faq-a{display:block;}

/* ---------- CTA ---------- */
.cta-band{background:var(--c-dark);color:var(--c-dark-text);padding:var(--sec) 0;}
.cta-inner{display:grid;grid-template-columns:1.4fr 1fr;gap:var(--sp-3);align-items:center;}
.cta-band h2{color:#fff;font-size:34px;line-height:1.34;margin-bottom:14px;}
.cta-band p{color:var(--c-dark-text-2);font-size:17px;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end;}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-dark);color:var(--c-dark-text);padding:72px 0 28px;border-top:1px solid rgba(242,240,233,.08);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:var(--sp-3);}
.footer-brand .dock-logo{color:var(--c-dark-text);}
.footer-brand .logo-mark i{background:#F2F0E9;opacity:.85;}
.footer-brand .logo-mark i:nth-child(5){background:var(--c-accent);}
.footer-brand p{color:var(--c-dark-text-2);font-size:15px;margin-top:16px;max-width:300px;line-height:1.75;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-col li{color:var(--c-dark-text-2);font-size:15px;line-height:2.1;}
.footer-col a{color:var(--c-dark-text-2);}
.footer-col a:hover{color:var(--c-accent);}
.footer-bottom{
  margin-top:var(--sp-3);padding-top:22px;border-top:1px solid rgba(242,240,233,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13.5px;color:var(--c-dark-text-2);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .dock-menu a{padding:10px 11px;font-size:14.5px;}
  .layout{gap:40px;}
}
@media (max-width:1023px){
  :root{--sec:72px;}
  .dock{min-height:60px;padding:8px 10px 8px 16px;}
  .dock-menu{display:none;}
  .hamburger{display:block;}
  .dock-search{display:none !important;}
  .hero-media{height:270px;}
  .hero-media-inner{padding:0 26px 26px;}
  .hero-media-inner h1{font-size:34px;}
  .hero-body{grid-template-columns:1fr;gap:var(--sp-2);padding:28px 26px 32px;}
  .hero-stats{border-left:none;border-top:1px solid var(--c-line);padding-left:0;padding-top:var(--sp-2);}
  .layout{grid-template-columns:1fr;}
  .anchor-col{position:static;order:-1;}
  .anchor-card nav{display:flex;flex-wrap:wrap;gap:8px;}
  .anchor-card nav a{border-left:none;border:1px solid var(--c-line);border-radius:999px;padding:8px 14px;background:var(--c-bg);}
  .anchor-card nav a.is-active{background:var(--c-brand-soft);border-color:rgba(15,90,78,.3);}
  .anchor-card .mini-cta{display:none;}
  .media-row{grid-template-columns:1fr;}
  .media-row.reverse .media-text{order:1;}
  .media-row.reverse .media-fig{order:2;}
  .media-fig img{height:250px;}
  .compare{grid-template-columns:1fr;}
  .cross-grid{grid-template-columns:1fr 1fr;}
  .cta-inner{grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-2);}
  .section-head h2{font-size:30px;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  body{font-size:16.5px;line-height:1.8;}
  .container{padding:0 18px;}
  .crumb{padding-top:96px;}
  .hero-media{height:230px;}
  .hero-media-inner h1{font-size:30px;}
  .hero-media-inner .lead{font-size:16px;}
  .dot-matrix{width:64px;height:64px;right:18px;top:18px;gap:7px;}
  .block-title h2{font-size:25px;}
  .media-text h3{font-size:20px;}
  .cross-grid{grid-template-columns:1fr;}
  .media-fig img{height:210px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band h2{font-size:26px;}
  .cta-actions .btn{width:100%;}
  .anchor-card{padding:18px;}
}
@media (max-width:400px){
  .container{padding:0 16px;}
  .hero-media-inner{padding:0 18px 22px;}
  .hero-media-inner h1{font-size:27px;}
  .hero-body{padding:22px 18px 26px;}
  .faq-q{padding:16px 18px;font-size:16px;}
  .faq-a{padding:0 18px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --c-brand:#0F5A4E;
  --c-brand-deep:#0A4038;
  --c-brand-soft:#DCEAE6;
  --c-accent:#D9703B;
  --c-bg:#F7F5EF;
  --c-surface:#FFFFFF;
  --c-line:#E4E1D8;
  --c-ink:#14181A;
  --c-ink-2:#4A5654;
  --c-ink-3:#86938F;
  --c-dark:#10201D;
  --c-dark-ink:#F2F0E9;
  --c-dark-2:#A9B6B2;
  --c-ok:#2E7D5B;
  --c-warn:#C08A2E;
  --c-err:#B4462F;
  --c-tint:#F1F4F2;
  --r-pill:999px;
  --r-card:16px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,24,26,.04);
  --sh-2:0 10px 30px -18px rgba(10,64,56,.28);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,Georgia,serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:700;line-height:1.3;letter-spacing:-0.01em}
p{margin:0 0 1.15em}
ul,ol{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-accent);
  outline-offset:2px;
  border-radius:6px;
}
[id]{scroll-margin-top:104px}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.dot-grid{
  display:grid;
  grid-template-columns:repeat(3,6px);
  grid-auto-rows:6px;
  gap:5px;
}
.dot-grid i{display:block;width:6px;height:6px;border-radius:50%;background:var(--c-brand);opacity:.14}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:60;pointer-events:none}
.dock{
  pointer-events:auto;
  width:min(1120px,92vw);
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 12px 0 18px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-2);
  transition:height .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.dock.is-scrolled{height:60px;box-shadow:0 14px 34px -16px rgba(10,64,56,.42)}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  display:grid;
  grid-template-columns:repeat(3,3px);
  grid-auto-rows:3px;
  gap:2px;
  padding:7px;
  border-radius:10px;
  background:var(--c-brand-soft);
}
.logo-mark i{display:block;width:3px;height:3px;border-radius:50%;background:var(--c-brand)}
.logo-text{font-family:var(--font-serif);font-weight:700;font-size:19px;color:var(--c-ink);letter-spacing:.01em}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:8px}
.dock-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--c-ink-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.dock-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  width:0;
  height:2px;
  background:var(--c-accent);
  border-radius:2px;
  transform:translateX(-50%);
  transition:width .22s var(--ease);
}
.dock-link:hover{color:var(--c-brand);background:rgba(15,90,78,.06)}
.dock-link.is-active{color:var(--c-brand);font-weight:600}
.dock-link.is-active::after{width:34%}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;
  display:grid;place-items:center;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  border-radius:var(--r-pill);
  cursor:pointer;
  color:var(--c-ink-2);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{color:var(--c-brand);border-color:rgba(15,90,78,.32);transform:translateY(-2px)}
.icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:16px;
  font-weight:600;
  cursor:pointer;
  transition:transform .2s var(--ease),filter .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:15px}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{filter:brightness(.92);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);filter:brightness(.86)}
.btn-outline{background:transparent;border:1.5px solid var(--c-brand);color:var(--c-brand)}
.btn-outline:hover{background:var(--c-brand-soft);transform:translateY(-2px)}
.btn-ghost-light{background:transparent;border:1.5px solid rgba(242,240,233,.5);color:var(--c-dark-ink)}
.btn-ghost-light:hover{background:rgba(242,240,233,.12);transform:translateY(-2px)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-brand);font-weight:600;font-size:15px;
  background:none;border:none;padding:0;cursor:pointer;
}
.btn-text span.arrow{transition:transform .2s var(--ease)}
.btn-text:hover span.arrow{transform:translateX(4px)}
.burger{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  border-radius:var(--r-pill);
  cursor:pointer;
  position:relative;
}
.burger span,
.burger span::before,
.burger span::after{
  content:"";
  position:absolute;left:50%;width:18px;height:1.5px;background:var(--c-ink-2);
  transform:translateX(-50%);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.burger span{top:50%;margin-top:-1px}
.burger span::before{top:-6px;left:0;transform:none}
.burger span::after{top:6px;left:0;transform:none}
.burger.is-open span{background:transparent}
.burger.is-open span::before{transform:rotate(45deg);top:0}
.burger.is-open span::after{transform:rotate(-45deg);top:0}
.dock-search{
  pointer-events:auto;
  width:min(560px,90vw);
  margin:10px auto 0;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  padding:14px;
  display:flex;
  gap:10px;
}
.dock-search[hidden]{display:none}
.dock-search input{
  flex:1;
  height:44px;
  padding:0 16px;
  border:1px solid var(--c-line);
  border-radius:var(--r-img);
  background:var(--c-bg);
  font-size:15px;
}
.dock-search input:focus{border-color:var(--c-brand);outline:none;box-shadow:0 0 0 3px rgba(15,90,78,.14)}
.mobile-panel{
  pointer-events:auto;
  width:min(560px,92vw);
  margin:10px auto 0;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:22px;
  box-shadow:var(--sh-2);
  padding:12px;
  display:none;
}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 14px;
  border-radius:14px;
  font-size:16px;
  color:var(--c-ink-2);
}
.mobile-panel a:hover{background:var(--c-tint);color:var(--c-brand)}
.mobile-panel a.is-active{color:var(--c-brand);font-weight:600;background:rgba(15,90,78,.07)}
.mobile-panel .btn{width:100%;margin-top:8px}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:150px 0 96px;
  background:var(--c-brand-deep);
  overflow:hidden;
}
.hero-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:0;
  opacity:.34;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(10,64,56,.94) 0%,rgba(10,64,56,.78) 52%,rgba(16,32,29,.9) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:840px}
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(242,240,233,.62);
  margin-bottom:22px;
}
.crumbs a:hover{color:var(--c-accent)}
.crumbs em{font-style:normal;color:rgba(242,240,233,.9)}
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--c-brand-soft);
  color:var(--c-brand);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
}
.hero .badge{background:rgba(220,234,230,.16);color:#DCEAE6;border:1px solid rgba(220,234,230,.3);margin-bottom:18px}
.hero h1{
  font-size:clamp(30px,4.2vw,52px);
  color:#fff;
  line-height:1.24;
  margin-bottom:20px;
}
.hero .lede{
  font-size:18px;
  line-height:1.85;
  color:rgba(242,240,233,.82);
  max-width:720px;
  margin-bottom:32px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.trust-bar{
  display:flex;
  flex-wrap:wrap;
  gap:14px 30px;
  padding-top:24px;
  border-top:1px solid rgba(242,240,233,.18);
}
.trust-bar li{
  position:relative;
  padding-left:16px;
  font-size:14px;
  color:rgba(242,240,233,.68);
}
.trust-bar li::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:6px;height:6px;
  margin-top:-3px;
  border-radius:50%;
  background:var(--c-accent);
}

/* ---------- 锚点导航条 ---------- */
.anchor-bar{position:relative;z-index:3;margin-top:-30px}
.sol-nav{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  padding:12px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-2);
}
.sol-nav a{
  padding:9px 18px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:var(--c-ink-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.sol-nav a:hover{color:var(--c-brand);background:var(--c-tint)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-alt{background:#FCFBF7;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{max-width:760px;margin-bottom:48px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--c-brand);
  margin-bottom:14px;
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:18px;height:2px;
  background:var(--c-accent);
  border-radius:2px;
}
.section-head h2{font-size:clamp(25px,3vw,36px);margin-bottom:16px}
.section-head p{color:var(--c-ink-2);margin:0}
.lead{color:var(--c-ink-2)}

/* ---------- 交付概览 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.split-media{position:relative}
.split-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  background:var(--c-brand-soft);
}
.split-media .dot-grid{
  position:absolute;
  right:-14px;
  bottom:-14px;
  padding:14px;
  border-radius:14px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
}
.check-list{margin:22px 0 28px}
.check-list li{
  position:relative;
  padding-left:30px;
  margin-bottom:12px;
  color:var(--c-ink-2);
  font-size:16.5px;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:6px;top:13px;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--c-brand);
  box-shadow:0 0 0 4px rgba(15,90,78,.1);
}
.metrics{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-top:64px;
  padding-top:40px;
  border-top:1px solid var(--c-line);
}
.metric strong{
  display:block;
  font-family:var(--font-serif);
  font-size:34px;
  font-weight:700;
  color:var(--c-brand);
  line-height:1.2;
}
.metric span{display:block;font-size:13.5px;color:var(--c-ink-3);margin-top:6px}

/* ---------- 步骤流 ---------- */
.steps-list{position:relative;max-width:980px}
.step{
  position:relative;
  display:grid;
  grid-template-columns:88px 1fr;
  gap:28px;
  padding-bottom:44px;
}
.step::before{
  content:"";
  position:absolute;
  left:27px;
  top:56px;
  bottom:0;
  width:1px;
  background:var(--c-line);
}
.step:last-child{padding-bottom:0}
.step:last-child::before{display:none}
.step-num{
  width:56px;height:56px;
  display:grid;
  place-items:center;
  border-radius:var(--r-pill);
  background:var(--c-brand-soft);
  color:var(--c-brand);
  font-family:var(--font-serif);
  font-size:19px;
  font-weight:700;
  border:1px solid rgba(15,90,78,.18);
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.step:hover .step-num{background:var(--c-brand);color:#fff;transform:translateY(-2px)}
.step-body{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 28px;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step:hover .step-body{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,90,78,.22)}
.step-body h3{font-size:22px;margin-bottom:10px}
.step-body p{color:var(--c-ink-2);font-size:16.5px;margin-bottom:16px}
.step-points{display:flex;flex-wrap:wrap;gap:10px}
.step-points li{
  font-size:14px;
  color:var(--c-brand);
  background:rgba(220,234,230,.55);
  border-radius:var(--r-pill);
  padding:5px 14px;
}
.step-body img{
  width:100%;
  aspect-ratio:16/7;
  object-fit:cover;
  margin-top:18px;
  background:var(--c-brand-soft);
}

/* ---------- 宽卡（保障） ---------- */
.wide-stack{display:grid;gap:20px;max-width:980px}
.wide-card{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:24px;
  padding:28px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.wide-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,90,78,.22)}
.wide-icon{
  width:64px;height:64px;
  display:grid;place-items:center;
  border-radius:18px;
  background:var(--c-brand-soft);
  color:var(--c-brand);
}
.wide-icon svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.wide-card h3{font-size:21px;margin-bottom:8px}
.wide-card p{color:var(--c-ink-2);font-size:16px;margin:0}

/* ---------- 交付节奏 ---------- */
.pace{
  display:grid;
  grid-template-columns:6fr 5fr;
  gap:40px;
  align-items:start;
}
.pace-list li{
  padding:20px 0;
  border-bottom:1px solid var(--c-line);
}
.pace-list li:first-child{padding-top:0}
.pace-list h3{font-size:19px;margin-bottom:6px}
.pace-list p{color:var(--c-ink-2);font-size:16px;margin:0}
.pace-panel{
  background:var(--c-dark);
  color:var(--c-dark-ink);
  border-radius:var(--r-card);
  padding:32px;
  position:relative;
  overflow:hidden;
}
.pace-panel::after{
  content:"";
  position:absolute;
  right:-30px;top:-30px;
  width:150px;height:150px;
  border-radius:50%;
  background:rgba(217,112,59,.16);
}
.pace-panel h3{font-size:21px;color:#fff;margin-bottom:14px;position:relative}
.pace-panel p{color:var(--c-dark-2);font-size:15.5px;position:relative}
.pace-rows{position:relative;margin-top:20px}
.pace-rows li{
  display:flex;
  justify-content:space-between;
  gap:16px;
  padding:12px 0;
  border-top:1px solid rgba(242,240,233,.14);
  font-size:15px;
}
.pace-rows li span:first-child{color:var(--c-dark-2)}
.pace-rows li span:last-child{color:#fff;font-weight:600}

/* ---------- 其它分类 ---------- */
.cross-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.cross-card{
  display:flex;
  flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.cross-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,90,78,.22)}
.cross-card h3{font-size:20px;margin:16px 0 10px}
.cross-card p{color:var(--c-ink-2);font-size:15.5px;margin-bottom:20px}
.cross-card .btn-text{margin-top:auto}

/* ---------- 深色 CTA ---------- */
.cta-dark{
  background:var(--c-dark);
  color:var(--c-dark-ink);
  padding:96px 0;
  position:relative;
  overflow:hidden;
}
.cta-dark::before{
  content:"";
  position:absolute;
  left:-60px;bottom:-60px;
  width:220px;height:220px;
  border-radius:50%;
  background:rgba(15,90,78,.4);
}
.cta-inner{position:relative;max-width:760px}
.cta-dark h2{font-size:clamp(25px,3vw,34px);color:#fff;margin-bottom:16px}
.cta-dark p{color:var(--c-dark-2);font-size:17px;margin-bottom:30px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:var(--c-dark-ink);padding:72px 0 28px;border-top:1px solid rgba(242,240,233,.1)}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand .dock-logo{margin-bottom:16px}
.site-footer .logo-text{color:#fff}
.site-footer .logo-mark{background:rgba(220,234,230,.14)}
.site-footer .logo-mark i{background:#DCEAE6}
.footer-brand p{color:var(--c-dark-2);font-size:15px;max-width:340px;margin:0}
.footer-col h4{font-size:16px;color:#fff;margin-bottom:16px}
.footer-col li{margin-bottom:10px;font-size:15px;color:var(--c-dark-2)}
.footer-col a{transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--c-accent)}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(242,240,233,.14);
  font-size:14px;
  color:var(--c-dark-2);
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .dock-link{padding:8px 10px;font-size:14.5px}
}
@media (max-width:1024px){
  .container{padding:0 20px}
  .section{padding:72px 0}
  .split{gap:36px}
  .metrics{grid-template-columns:repeat(2,1fr);gap:20px}
  .pace{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .dock-nav{display:none}
  .burger{display:block}
  .dock{padding-right:10px}
  .hero{padding:130px 0 72px}
}
@media (max-width:768px){
  body{font-size:16.5px;line-height:1.8}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .split{grid-template-columns:1fr;gap:28px}
  .split-media .dot-grid{display:none}
  .metrics{margin-top:44px;padding-top:28px}
  .metric strong{font-size:28px}
  .step{grid-template-columns:56px 1fr;gap:16px;padding-bottom:32px}
  .step::before{left:27px;top:56px}
  .step-num{width:56px;height:56px;font-size:17px}
  .step-body{padding:20px}
  .step-body h3{font-size:19px}
  .wide-card{grid-template-columns:1fr;gap:16px;padding:22px}
  .cross-grid{grid-template-columns:1fr}
  .cta-dark{padding:64px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{margin-top:32px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero{padding:118px 0 60px}
  .hero .lede{font-size:16.5px}
  .hero-cta .btn{width:100%}
  .trust-bar{gap:10px 18px}
  .sol-nav{border-radius:20px}
  .sol-nav a{padding:8px 14px;font-size:14px}
  .metrics{grid-template-columns:1fr 1fr}
  .step-points li{font-size:13.5px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .btn:hover,.dock-link:hover,.cross-card:hover,.wide-card:hover,.step:hover .step-body,.step:hover .step-num{transform:none}
}

/* roulang page: category3 */
:root{
  --c-brand:#0F5A4E;
  --c-brand-deep:#0A4038;
  --c-brand-soft:#DCEAE6;
  --c-accent:#D9703B;
  --c-bg:#F7F5EF;
  --c-surface:#FFFFFF;
  --c-line:#E4E1D8;
  --c-ink:#14181A;
  --c-ink-2:#4A5654;
  --c-ink-3:#86938F;
  --c-dark:#10201D;
  --c-dark-ink:#F2F0E9;
  --c-dark-ink-2:#A9B6B2;
  --c-ok:#2E7D5B;
  --c-warn:#C08A2E;
  --c-err:#B4462F;
  --r-pill:999px;
  --r-card:16px;
  --r-img:12px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(20,24,26,.04);
  --sh-2:0 10px 30px -18px rgba(10,64,56,.28);
  --sp-16:16px;
  --sp-24:24px;
  --sp-32:32px;
  --sec:96px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,sans-serif;
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--c-ink);margin:0;font-weight:600;line-height:1.35;letter-spacing:-0.005em;}
p{margin:0;}
a{color:var(--c-brand);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--c-accent);}
img{max-width:100%;display:block;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--sec) 0;}
.section--tight{padding:72px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--c-brand);background:var(--c-brand-soft);
  border-radius:var(--r-pill);padding:5px 14px;
}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-head h2{font-size:34px;margin-bottom:14px;}
.sec-head p{font-size:16.5px;color:var(--c-ink-2);}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;white-space:nowrap;}
.text-link span{transition:transform var(--t);}
.text-link:hover span{transform:translateX(4px);}
.dots{display:inline-grid;grid-template-columns:repeat(3,4px);gap:3px;opacity:.14;}
.dots i{width:4px;height:4px;border-radius:50%;background:var(--c-brand);display:block;}
.dots--light i{background:#FFFFFF;}

/* ============ Dock 导航 ============ */
.dock-header{position:sticky;top:0;z-index:80;padding:16px 0 8px;}
.dock{
  width:min(1120px,92vw);margin:0 auto;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 12px 0 18px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid var(--c-line);border-radius:var(--r-pill);
  box-shadow:var(--sh-2);
  transition:height var(--t),box-shadow var(--t);
}
.dock-header.is-scrolled .dock{height:60px;box-shadow:0 14px 34px -20px rgba(10,64,56,.42);}
.dock-logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:700;}
.logo-mark{display:inline-grid;grid-template-columns:repeat(3,4px);gap:3px;padding:6px;border-radius:10px;background:var(--c-brand-soft);}
.logo-mark i{width:4px;height:4px;border-radius:50%;background:var(--c-brand);display:block;}
.logo-text{font-family:var(--font-num);font-size:17px;letter-spacing:-0.01em;}
.dock-nav{display:flex;align-items:center;gap:6px;}
.dock-nav a{
  position:relative;padding:8px 12px;border-radius:var(--r-pill);
  font-size:15px;color:var(--c-ink-2);font-weight:500;transition:color var(--t),background var(--t);
}
.dock-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.dock-nav a:hover{color:var(--c-brand);background:#F1F4F2;}
.dock-nav a:hover::after{transform:scaleX(1);}
.dock-nav a.is-active{color:var(--c-brand);font-weight:600;}
.dock-nav a.is-active::after{transform:scaleX(1);}
.dock-actions{display:flex;align-items:center;gap:8px;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);display:grid;place-items:center;
  color:var(--c-ink-2);border:1px solid transparent;transition:background var(--t),color var(--t),border-color var(--t);
}
.icon-btn:hover{background:#F1F4F2;color:var(--c-brand);border-color:var(--c-line);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;letter-spacing:.01em;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),filter var(--t),border-color var(--t);
  border:1.5px solid transparent;white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px -14px rgba(217,112,59,.9);}
.btn-primary:hover{filter:brightness(.92);transform:translateY(-2px);color:#fff;}
.btn-ghost{border-color:var(--c-brand);color:var(--c-brand);background:transparent;}
.btn-ghost:hover{background:var(--c-brand-soft);color:var(--c-brand);transform:translateY(-2px);}
.btn-ghost-light{border-color:rgba(255,255,255,.6);color:#fff;background:transparent;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.menu-btn{display:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--c-line);color:var(--c-ink);place-items:center;}
.menu-btn i{display:block;width:16px;height:1.6px;background:currentColor;border-radius:2px;margin:3px auto;transition:transform var(--t),opacity var(--t);}
.dock-search{
  width:min(1120px,92vw);margin:8px auto 0;padding:12px;
  background:rgba(255,255,255,.96);border:1px solid var(--c-line);border-radius:20px;box-shadow:var(--sh-2);
  display:none;
}
.dock-search.is-open{display:block;}
.dock-search form{display:flex;gap:10px;}
.dock-search input{
  flex:1;height:46px;border-radius:var(--r-input);border:1px solid var(--c-line);
  background:#FBFBF8;padding:0 16px;font-size:15px;
}
.dock-search input:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(15,90,78,.12);}
.dock-panel{
  width:min(1120px,92vw);margin:8px auto 0;
  background:rgba(255,255,255,.98);border:1px solid var(--c-line);border-radius:20px;box-shadow:var(--sh-2);
  padding:12px;display:none;
}
.dock-panel.is-open{display:block;}
.dock-panel a{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:12px;
  font-size:15.5px;color:var(--c-ink-2);font-weight:500;
}
.dock-panel a:hover,.dock-panel a.is-active{background:#F1F4F2;color:var(--c-brand);}
.dock-panel .btn{width:100%;margin-top:8px;}

/* ============ Hero ============ */
.hero{padding:36px 0 0;}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--c-ink-3);margin-bottom:26px;}
.crumbs a{color:var(--c-ink-2);}
.crumbs a:hover{color:var(--c-brand);text-decoration:underline;}
.crumbs span{color:var(--c-ink-3);}
.crumbs .current{color:var(--c-ink-3);}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero h1{font-size:50px;line-height:1.22;margin:18px 0 18px;letter-spacing:-0.01em;}
.hero h1 em{font-style:normal;color:var(--c-brand);}
.hero-sub{font-size:18px;color:var(--c-ink-2);max-width:620px;line-height:1.8;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.trust-bar{
  display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:30px;padding-top:22px;
  border-top:1px solid var(--c-line);font-size:14px;color:var(--c-ink-3);
}
.trust-bar strong{font-family:var(--font-num);color:var(--c-brand);font-weight:700;margin-right:6px;}
.hero-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2);}
.hero-media img{width:100%;height:420px;object-fit:cover;border-radius:var(--r-card);}
.hero-media .dots{position:absolute;right:18px;bottom:18px;opacity:.5;}
.hero-media .tag-float{
  position:absolute;left:18px;top:18px;background:rgba(255,255,255,.94);
  border-radius:var(--r-pill);padding:7px 16px;font-size:13px;font-weight:600;color:var(--c-brand);
}

/* ============ 快速跳转 ============ */
.jump-bar{display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between;}
.sol-nav{display:flex;flex-wrap:wrap;gap:10px;}
.sol-nav a{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);
  font-size:14.5px;font-weight:500;box-shadow:var(--sh-1);transition:all var(--t);
}
.sol-nav a:hover{border-color:rgba(15,90,78,.28);color:var(--c-brand);transform:translateY(-2px);box-shadow:var(--sh-2);}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:36px;}
.stat{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);}
.stat b{display:block;font-family:var(--font-serif);font-size:34px;color:var(--c-brand);line-height:1.2;}
.stat span{font-size:13.5px;color:var(--c-ink-3);}

/* ============ FAQ ============ */
.faq-groups{display:grid;gap:36px;}
.faq-group{scroll-margin-top:110px;}
.faq-group > h3{
  font-size:22px;display:flex;align-items:center;gap:12px;margin-bottom:16px;
}
.faq-group > h3 .idx{
  font-family:var(--font-num);font-size:13px;color:var(--c-brand);background:var(--c-brand-soft);
  border-radius:var(--r-pill);padding:2px 12px;font-weight:700;
}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:box-shadow var(--t),border-color var(--t);overflow:hidden;
}
.faq-item:hover{box-shadow:var(--sh-2);border-color:rgba(15,90,78,.22);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 24px;font-size:17px;font-weight:600;color:var(--c-ink);font-family:var(--font-serif);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{position:relative;width:18px;height:18px;flex:0 0 18px;}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";position:absolute;left:0;top:8px;width:18px;height:1.5px;background:var(--c-brand);
  transition:transform var(--t);border-radius:2px;
}
.faq-item summary .plus::after{transform:rotate(90deg);}
.faq-item[open] summary .plus::after{transform:rotate(0);}
.faq-item[open] summary{color:var(--c-brand);}
.faq-body{padding:0 24px 24px;font-size:16px;line-height:1.8;color:var(--c-ink-2);max-width:860px;}

/* ============ 资源卡 ============ */
.res-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.res-card{
  display:grid;grid-template-columns:180px 1fr;gap:20px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.res-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,90,78,.22);}
.res-card img{width:100%;height:135px;object-fit:cover;border-radius:var(--r-img);background:var(--c-brand-soft);}
.res-card h3{font-size:19px;margin-bottom:8px;}
.res-card p{font-size:14.5px;line-height:1.7;color:var(--c-ink-3);margin-bottom:10px;}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-brand-soft);color:var(--c-brand);font-size:13px;font-weight:600;
}

/* ============ 深色 CTA ============ */
.cta-dark{background:var(--c-dark);color:var(--c-dark-ink);border-radius:28px;padding:64px;position:relative;overflow:hidden;}
.cta-dark h2{color:#fff;font-size:34px;margin-bottom:14px;}
.cta-dark p{color:var(--c-dark-ink-2);max-width:620px;font-size:16.5px;}
.cta-dark .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-dark .dots{position:absolute;right:48px;top:44px;opacity:.22;}

/* ============ 交叉链接 ============ */
.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cross-card{
  display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.cross-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,90,78,.22);}
.cross-card h3{font-size:20px;margin:14px 0 10px;color:var(--c-ink);}
.cross-card p{font-size:15px;line-height:1.7;color:var(--c-ink-2);}

/* ============ 表单 ============ */
.form-wrap{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.form-side h2{font-size:32px;margin-bottom:16px;}
.form-side p{font-size:16px;color:var(--c-ink-2);margin-bottom:20px;}
.form-side ul{display:grid;gap:10px;font-size:15px;color:var(--c-ink-2);}
.form-side ul li{display:flex;gap:10px;align-items:flex-start;}
.form-side ul li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-brand);margin-top:9px;flex:0 0 6px;}
.consult-form{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-1);}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink-2);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;border:1px solid var(--c-line);border-radius:var(--r-input);background:#FBFBF8;
  padding:13px 16px;font-size:15.5px;transition:border-color var(--t),box-shadow var(--t);
}
.field input{height:48px;}
.field textarea{min-height:120px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(15,90,78,.12);}
.field .msg{display:none;font-size:13.5px;margin-top:7px;color:var(--c-err);}
.field.has-error input,.field.has-error textarea{border-color:var(--c-err);box-shadow:0 0 0 3px rgba(180,70,47,.12);}
.field.has-error .msg{display:block;}
.form-note{font-size:13.5px;color:var(--c-ink-3);margin-top:14px;}
.form-alert{
  display:none;border-radius:12px;padding:14px 16px;font-size:14.5px;margin-bottom:20px;
}
.form-alert.is-ok{display:block;background:rgba(46,125,91,.1);color:var(--c-ok);border:1px solid rgba(46,125,91,.28);}
.form-alert.is-err{display:block;background:rgba(180,70,47,.08);color:var(--c-err);border:1px solid rgba(180,70,47,.28);}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:var(--c-dark-ink);padding:72px 0 32px;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .dock-logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo-mark{background:rgba(255,255,255,.12);}
.footer-brand .logo-mark i{background:#fff;}
.footer-brand p{font-size:14.5px;line-height:1.8;color:var(--c-dark-ink-2);max-width:320px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;font-family:var(--font-sans);font-weight:600;}
.footer-col ul{display:grid;gap:10px;font-size:14.5px;color:var(--c-dark-ink-2);}
.footer-col a{color:var(--c-dark-ink-2);}
.footer-col a:hover{color:var(--c-accent);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(242,240,233,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:var(--c-dark-ink-2);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero h1{font-size:46px;}
}
@media (max-width:1023px){
  :root{--sec:72px;}
  .dock-nav{display:none;}
  .menu-btn{display:grid;}
  .dock-actions .btn{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media img{height:320px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .res-grid{grid-template-columns:1fr;}
  .cross-grid{grid-template-columns:1fr 1fr;}
  .form-wrap{grid-template-columns:1fr;gap:32px;}
  .cta-dark{padding:48px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  body{font-size:16.5px;line-height:1.8;}
  .container{padding:0 18px;}
  .dock{height:56px;padding:0 10px 0 14px;}
  .dock-header.is-scrolled .dock{height:56px;}
  .hero h1{font-size:31px;}
  .sec-head h2{font-size:26px;}
  .hero-sub{font-size:16.5px;}
  .res-card{grid-template-columns:110px 1fr;gap:14px;}
  .res-card img{height:96px;}
  .res-card h3{font-size:17px;}
  .cross-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr 1fr;gap:16px;}
  .stat b{font-size:28px;}
  .faq-item summary{padding:18px 18px;font-size:16px;}
  .faq-body{padding:0 18px 20px;font-size:15.5px;}
  .cta-dark{padding:32px 24px;border-radius:20px;}
  .cta-dark h2{font-size:26px;}
  .cta-dark .dots{display:none;}
  .consult-form{padding:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .jump-bar{gap:16px;}
}
@media (max-width:400px){
  .container{padding:0 16px;}
  .hero h1{font-size:28px;}
  .stats{grid-template-columns:1fr;}
  .sol-nav a{height:38px;padding:0 14px;font-size:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}