:root{
  --bg:#f7f4ee;
  --panel:#ffffff;
  --ink:#1c2430;
  --muted:#687080;
  --line:rgba(28,36,48,.12);
  --soft:rgba(255,255,255,.62);
  --accent:#9b7254;
  --accent-2:#d8c6ad;
  --shadow:0 24px 80px rgba(28,36,48,.08);
  --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 8% 0%, rgba(216,198,173,.32), transparent 32rem),
    radial-gradient(circle at 90% 15%, rgba(140,171,194,.2), transparent 30rem),
    var(--bg);
  line-height:1.75;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,textarea{font:inherit}
.site-header{
  position:sticky;
  top:0;
  z-index:20;
  padding:16px clamp(18px,5vw,72px) 14px;
  background:rgba(247,244,238,.84);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;max-width:1180px;margin:0 auto}
.logo{display:inline-flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.08em;white-space:nowrap}
.logo-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:14px;background:var(--ink);color:#fff;font-size:17px;letter-spacing:0;box-shadow:0 12px 30px rgba(28,36,48,.18)}
.top-nav{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}
.top-nav a{padding:9px 12px;border-radius:999px;color:var(--muted);font-size:14px;transition:.2s ease}
.top-nav a:hover,.top-nav a.is-active{background:rgba(255,255,255,.8);color:var(--ink);box-shadow:0 8px 24px rgba(28,36,48,.06)}
.search-bar{max-width:1180px;margin:14px auto 0;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center}
.search-bar input{width:100%;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.7);padding:13px 18px;outline:none;color:var(--ink)}
.search-bar input:focus{border-color:rgba(155,114,84,.5);box-shadow:0 0 0 4px rgba(155,114,84,.08)}
.search-bar button,.btn{border:0;border-radius:999px;padding:13px 20px;background:var(--ink);color:#fff;cursor:pointer;transition:.2s ease;box-shadow:0 14px 36px rgba(28,36,48,.14)}
.search-bar button:hover,.btn:hover{transform:translateY(-2px)}
.search-hint{grid-column:1/-1;margin:0;color:var(--muted);font-size:13px}
main{overflow:hidden}
.hero{min-height:74vh;display:grid;align-items:center;padding:clamp(68px,9vw,128px) clamp(18px,5vw,72px)}
.hero-grid{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(300px,.92fr);gap:clamp(36px,7vw,94px);align-items:center}
.eyebrow{margin:0 0 14px;color:var(--accent);font-weight:800;letter-spacing:.18em;text-transform:uppercase;font-size:12px}
h1,h2,h3{line-height:1.15;margin:0;color:var(--ink)}
h1{font-size:clamp(40px,7vw,86px);letter-spacing:-.06em;max-width:850px}
h2{font-size:clamp(28px,4.5vw,52px);letter-spacing:-.04em}
h3{font-size:clamp(20px,2.2vw,28px);letter-spacing:-.025em}
p{margin:0;color:var(--muted)}
.hero-copy>p{font-size:clamp(17px,2vw,22px);max-width:720px;margin-top:22px;color:#48505c}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.btn.secondary{background:rgba(255,255,255,.72);color:var(--ink);border:1px solid var(--line);box-shadow:none}
.hero-card{background:linear-gradient(145deg,rgba(255,255,255,.86),rgba(255,255,255,.48));border:1px solid var(--line);border-radius:36px;padding:16px;box-shadow:var(--shadow);position:relative;isolation:isolate}
.hero-card:before{content:"";position:absolute;inset:20px;border:1px solid rgba(255,255,255,.9);border-radius:28px;z-index:-1}
.hero-card figure{margin:0;position:relative;border-radius:28px;overflow:hidden;background:#e8dfd3}
.hero-card img{aspect-ratio:4/3;object-fit:cover}
.hero-stat{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.hero-stat div{border:1px solid var(--line);background:rgba(255,255,255,.72);border-radius:22px;padding:14px;text-align:center}
.hero-stat strong{display:block;font-size:22px}
.hero-stat span{color:var(--muted);font-size:12px}
.section{padding:clamp(64px,8vw,112px) clamp(18px,5vw,72px)}
.section-inner,.section-head,.split,.video-grid,.mini-grid,.testimonial-grid,.faq-list,.contact-grid,.case-strip{max-width:1180px;margin-left:auto;margin-right:auto}
.section-head{display:grid;grid-template-columns:minmax(0,.8fr) minmax(280px,.55fr);gap:24px;align-items:end;margin-bottom:34px}
.section-head p:last-child{font-size:16px}
.split{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:clamp(28px,5vw,64px);align-items:center}
.glass{border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.62);box-shadow:var(--shadow);padding:clamp(24px,4vw,44px)}
.image-panel{border-radius:36px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
.image-panel figcaption,.video-card figcaption{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.service-grid{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service-card,.mini-grid article,.testimonial-card,.faq-item,.contact-card{background:rgba(255,255,255,.68);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,3vw,34px);box-shadow:0 18px 60px rgba(28,36,48,.055)}
.service-card span{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:16px;background:rgba(155,114,84,.12);color:var(--accent);font-weight:800;margin-bottom:18px}
.service-card h3,.mini-grid h3,.testimonial-card h3{margin-bottom:12px}
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.video-card{background:rgba(255,255,255,.74);border:1px solid var(--line);border-radius:30px;overflow:hidden;box-shadow:0 18px 60px rgba(28,36,48,.06);transition:.24s ease}
.video-card:hover{transform:translateY(-5px);box-shadow:0 26px 86px rgba(28,36,48,.1)}
.video-card figure{margin:0;position:relative;overflow:hidden;background:#eadfd2}
.video-card img{aspect-ratio:16/10;object-fit:cover;transition:.32s ease}
.video-card:hover img{transform:scale(1.035);filter:saturate(1.05)}
.play-button{position:absolute;inset:auto auto 18px 18px;opacity:0;transform:translateY(10px);border:0;border-radius:999px;background:rgba(28,36,48,.9);color:#fff;padding:10px 16px;cursor:pointer;transition:.25s ease;box-shadow:0 14px 36px rgba(28,36,48,.18)}
.video-card:hover .play-button,.video-card.is-ready .play-button{opacity:1;transform:translateY(0)}
.video-body{padding:22px}
.video-body p{margin-top:12px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag-row span{font-size:12px;border:1px solid rgba(155,114,84,.22);background:rgba(155,114,84,.08);color:#765742;border-radius:999px;padding:4px 9px}
.meta-row{display:flex;flex-wrap:wrap;gap:12px;border-top:1px solid var(--line);margin-top:18px;padding-top:14px;color:var(--muted);font-size:13px}
.soft-section{background:linear-gradient(180deg,rgba(255,255,255,.18),rgba(255,255,255,.52))}
.case-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.case-item{min-height:190px;border:1px solid var(--line);border-radius:30px;padding:24px;background:linear-gradient(145deg,rgba(255,255,255,.74),rgba(255,255,255,.45));display:flex;flex-direction:column;justify-content:space-between}
.case-item strong{font-size:32px;letter-spacing:-.04em}
.testimonial-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.testimonial-card p{font-size:15px}.testimonial-card small{display:block;margin-top:18px;color:var(--accent);font-weight:700}
.faq-list{display:grid;gap:12px}
.faq-item{padding:0;overflow:hidden}
.faq-item button{width:100%;padding:22px 26px;background:transparent;border:0;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:18px;cursor:pointer;color:var(--ink);font-weight:800}
.faq-item button:after{content:"+";font-size:24px;color:var(--accent)}
.faq-item.is-open button:after{content:"−"}
.faq-answer{display:none;padding:0 26px 24px}.faq-item.is-open .faq-answer{display:block}
.contact-grid{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:20px;align-items:start}
.contact-card a{display:inline-flex;margin-top:14px;color:var(--accent);font-weight:800}
.contact-form{display:grid;gap:14px}.contact-form input,.contact-form textarea{width:100%;border:1px solid var(--line);border-radius:20px;padding:14px 16px;background:rgba(255,255,255,.78);outline:none}.contact-form textarea{min-height:132px;resize:vertical}
.share-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.share-row button{border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.75);padding:10px 14px;cursor:pointer;color:var(--ink)}
.page-hero{padding:clamp(60px,8vw,104px) clamp(18px,5vw,72px)}
.page-hero .section-inner{display:grid;gap:22px}.page-hero h1{max-width:980px}.page-hero p{font-size:18px;max-width:840px}
.article-list{max-width:900px;margin:0 auto;display:grid;gap:18px}.article-list article{padding:28px;border:1px solid var(--line);border-radius:28px;background:rgba(255,255,255,.68)}.article-list h2{font-size:28px;margin-bottom:12px}.article-list ul{margin:16px 0 0;color:var(--muted)}
.site-footer{padding:64px clamp(18px,5vw,72px) 24px;background:#171c24;color:#fff}
.site-footer p,.site-footer a{color:rgba(255,255,255,.68)}.site-footer h2{font-size:18px;color:#fff;margin-bottom:16px}.footer-grid{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.4fr .7fr .7fr .9fr;gap:30px}.footer-grid a{display:block;margin:8px 0}.footer-logo{margin-bottom:18px}.footer-logo .logo-mark{background:#fff;color:#171c24}.footer-bottom{max-width:1180px;margin:38px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;color:rgba(255,255,255,.58)}
@media (max-width:980px){
  .header-inner,.hero-grid,.split,.section-head,.contact-grid{grid-template-columns:1fr;display:grid}.top-nav{justify-content:flex-start}.service-grid,.video-grid{grid-template-columns:repeat(2,1fr)}.case-strip,.testimonial-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.hero{min-height:auto}
}
@media (max-width:640px){
  .site-header{position:relative}.header-inner{gap:14px}.top-nav a{font-size:12px;padding:7px 9px}.search-bar{grid-template-columns:1fr}.search-bar button{width:100%}.service-grid,.video-grid,.case-strip,.testimonial-grid,.footer-grid{grid-template-columns:1fr}.hero-actions{display:grid}.footer-bottom{display:grid}.section,.hero,.page-hero{padding-left:16px;padding-right:16px}.hero-card{border-radius:28px}.hero-stat{grid-template-columns:1fr}
}