:root{
  --brand:#0E7C66;--brand-d:#0A6053;--accent:#C8A24A;
  --ink:#0B0F14;--body:#39424E;--muted:#6B7280;
  --line:#E8EAEE;--soft:#F5F8F7;--white:#fff;
  --r-s:12px;--r-m:16px;--r-l:24px;
  --sh:0 1px 2px rgba(11,15,20,.04),0 12px 30px -14px rgba(11,15,20,.16);
  --sh-h:0 2px 6px rgba(11,15,20,.05),0 22px 48px -18px rgba(14,124,102,.30);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--body);
  font:400 16px/1.75 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.3;letter-spacing:-.01em;font-weight:700}
p{margin:0}
ul{margin:0;padding:0}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:10px;z-index:99;background:var(--white);padding:8px 14px;border-radius:var(--r-s);box-shadow:var(--sh)}

/* 导航 */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:14px;height:62px;max-width:var(--max);margin:0 auto;padding:0 20px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;color:var(--ink);font-size:16px;white-space:nowrap}
.brand svg{width:28px;height:28px;flex:0 0 auto}
.nav-links{display:flex;gap:2px;overflow-x:auto;flex:1;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{padding:8px 12px;border-radius:var(--r-s);font-size:15px;color:var(--muted);white-space:nowrap}
.nav-links a:hover{color:var(--ink);background:var(--soft)}
.nav-cta{flex:0 0 auto;display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:600}
.nav-cta:hover{background:var(--brand-d)}
@media(max-width:759px){.nav-cta{display:none}}

/* Hero */
.hero{position:relative;padding:52px 0 48px;overflow:hidden;background:
  radial-gradient(760px 420px at 8% -10%,rgba(14,124,102,.13),transparent 62%),
  radial-gradient(620px 380px at 100% 8%,rgba(200,162,74,.14),transparent 60%),
  linear-gradient(180deg,#FAFCFB,#fff)}
.hero-grid{display:grid;gap:32px;align-items:center}
@media(min-width:960px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:52px}}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(14,124,102,.09);border:1px solid rgba(14,124,102,.18);color:var(--brand);
  font-size:13px;font-weight:600;margin-bottom:20px}
.badge i{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(200,162,74,.22)}
.hero h1{font-size:clamp(29px,7vw,52px);letter-spacing:-.02em}
.hero h1 em{font-style:normal;background:linear-gradient(96deg,var(--brand),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{margin-top:18px;max-width:620px;font-size:16px;color:var(--body)}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 24px;border-radius:var(--r-s);
  font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .18s,box-shadow .18s,background .18s}
.btn-p{background:var(--brand);color:#fff;box-shadow:0 10px 24px -10px rgba(14,124,102,.7)}
.btn-p:hover{background:var(--brand-d);transform:translateY(-1px)}
.btn-g{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--sh)}
.btn-g:hover{border-color:rgba(14,124,102,.4);transform:translateY(-1px)}
.hero figure{margin:0;border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-h);background:var(--soft)}
.hero figure img{width:100%;aspect-ratio:4/5;object-fit:cover}
@media(min-width:960px){.hero figure img{aspect-ratio:5/6}}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:36px;padding-top:22px;border-top:1px solid var(--line);max-width:620px}
.stats b{display:block;font-size:22px;color:var(--ink);letter-spacing:-.02em}
.stats span{font-size:13px;color:var(--muted)}

/* 通用区块 */
.sec{padding:60px 0}
.sec.soft{background:var(--soft)}
.sec-head{max-width:660px;margin-bottom:34px}
.kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);margin-bottom:12px}
.sec-head h2{font-size:clamp(22px,4.4vw,32px)}
.sec-head p{margin-top:14px;color:var(--muted);font-size:15.5px}

/* 核心服务 */
.grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:640px){.grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media(min-width:1024px){.grid{grid-template-columns:repeat(3,1fr)}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh);
  transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:rgba(14,124,102,.28)}
.card figure{margin:0;background:var(--soft)}
.card figure img{width:100%;aspect-ratio:3/2;object-fit:cover}
.card-body{padding:22px}
.card h3{font-size:17.5px}
.card p{margin-top:10px;font-size:14.6px;color:var(--muted)}

/* 文章 */
.posts{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.posts{grid-template-columns:repeat(3,1fr)}}
.post{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  overflow:hidden;box-shadow:var(--sh);transition:transform .2s,box-shadow .2s,border-color .2s}
.post:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:rgba(14,124,102,.28)}
.post figure{margin:0;background:var(--soft)}
.post figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.post time{font-size:13px;color:var(--muted)}
.post h3{margin-top:10px;font-size:17px}
.post h3 a:hover{color:var(--brand)}
.post p{margin-top:10px;font-size:14.5px;color:var(--muted);flex:1}
.more{margin-top:16px;font-size:14.5px;font-weight:600;color:var(--brand)}
.more:hover{color:var(--brand-d)}

/* FAQ */
.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);box-shadow:var(--sh);padding:0 20px}
.faq summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:600;color:var(--ink);font-size:15.5px;
  display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--brand);font-size:20px;font-weight:400;flex:0 0 auto}
.faq details[open] summary::after{content:"–"}
.faq .ans{padding:0 0 18px;color:var(--muted);font-size:14.8px}

/* CTA */
.cta-sec{padding:64px 0;background:
  radial-gradient(620px 320px at 50% 0%,rgba(14,124,102,.12),transparent 65%),var(--soft)}
.cta{max-width:760px;margin:0 auto;text-align:center;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-l);box-shadow:var(--sh-h);padding:40px 24px}
.cta h2{font-size:clamp(21px,4.4vw,30px)}
.cta p{margin-top:14px;color:var(--muted)}
.cta .hero-btns{justify-content:center}

/* Footer */
footer{border-top:1px solid var(--line);padding:44px 0 28px;background:#fff}
.f-grid{display:grid;gap:26px}
@media(min-width:760px){.f-grid{grid-template-columns:1.2fr 1fr 1fr}}
.f-brand{display:flex;align-items:center;gap:9px;font-weight:700;color:var(--ink);font-size:16px;margin-bottom:12px}
.f-brand svg{width:26px;height:26px}
.f-about{color:var(--muted);max-width:340px;font-size:14.5px;line-height:1.75}
footer h4{font-size:14px;color:var(--ink);margin-bottom:12px}
.f-links{display:grid;gap:9px}
.f-links a{font-size:14.5px;color:var(--muted)}
.f-links a:hover{color:var(--brand)}
.copy{margin-top:30px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;
  gap:8px 18px;justify-content:space-between;color:var(--muted);font-size:13px}

/* 文章详情页 */
.article{padding:36px 0 56px}
.crumb{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.crumb a:hover{color:var(--brand)}
.article-head{max-width:760px}
.article-head h1{font-size:clamp(24px,5vw,36px)}
.article-head .meta{margin-top:14px;font-size:13.5px;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap}
.article figure{margin:26px 0;border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh);background:var(--soft)}
.article figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.prose{max-width:760px}
.prose h2{margin:32px 0 12px;font-size:clamp(19px,3.6vw,24px)}
.prose h3{margin:24px 0 10px;font-size:17.5px}
.prose p{margin:12px 0;font-size:16px}
.prose ul{margin:12px 0;padding-left:20px;display:grid;gap:8px}
.prose li{font-size:15.5px}
.prose strong{color:var(--ink)}
.tip{margin:22px 0;padding:18px 20px;border-radius:var(--r-m);background:var(--soft);border:1px solid var(--line);font-size:15px}
.tip b{color:var(--brand)}
.back{margin-top:34px;display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--brand);font-size:15px}

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