:root{
  --bg:#f8f6f1;
  --panel:#ffffff;
  --ink:#1d2530;
  --muted:#68727f;
  --line:rgba(29,37,48,.12);
  --gold:#b7925b;
  --soft:#eee8dd;
  --radius:28px;
  --shadow:0 22px 70px rgba(29,37,48,.10);
}
*{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:linear-gradient(180deg,#fbfaf7 0%,var(--bg) 100%);line-height:1.75;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img,video{max-width:100%;height:auto;display:block}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(248,246,241,.86);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.04em}
.logo-mark{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:#fff;font-size:15px;box-shadow:0 10px 26px rgba(29,37,48,.18)}
.logo-text{font-size:20px}.nav{display:flex;align-items:center;gap:22px;font-size:14px;color:#313a46}.nav a{position:relative;white-space:nowrap}.nav a::after{content:"";position:absolute;left:0;bottom:-7px;width:0;height:1px;background:var(--gold);transition:.22s ease}.nav a:hover::after{width:100%}.menu-toggle{display:none;border:1px solid var(--line);background:transparent;border-radius:999px;padding:9px 14px}
.search-strip{border-bottom:1px solid var(--line);padding:14px 0;background:rgba(255,255,255,.45)}.search-box{display:flex;gap:10px;align-items:center}.search-box input{flex:1;border:1px solid var(--line);border-radius:999px;background:#fff;padding:13px 18px;font-size:14px;outline:none}.search-box button,.btn{border:0;border-radius:999px;background:var(--ink);color:#fff;padding:13px 20px;font-weight:700;cursor:pointer;transition:.2s ease}.search-box button:hover,.btn:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(29,37,48,.16)}.search-hint{margin-top:8px;color:var(--muted);font-size:13px;min-height:20px}
.hero{padding:78px 0 72px}.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:52px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;padding:7px 12px;color:var(--muted);font-size:13px;background:rgba(255,255,255,.72)}h1,h2,h3{line-height:1.18;margin:0;color:var(--ink)}h1{font-size:clamp(42px,6vw,76px);letter-spacing:-.06em;margin:18px 0 22px}h2{font-size:clamp(30px,4vw,48px);letter-spacing:-.04em}h3{font-size:22px;letter-spacing:-.02em}.lead{font-size:18px;color:#4a5563;max-width:650px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}.btn.secondary{background:transparent;color:var(--ink);border:1px solid var(--line)}
.hero-card{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#fff}.hero-card::after{content:"";position:absolute;inset:0;border:1px solid rgba(255,255,255,.45);border-radius:var(--radius);pointer-events:none}.video-badge{position:absolute;left:22px;top:22px;background:rgba(29,37,48,.84);color:#fff;border-radius:999px;padding:8px 13px;font-size:13px}.play-button{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.96);width:72px;height:72px;border-radius:50%;display:grid;place-items:center;background:rgba(29,37,48,.82);color:#fff;opacity:.75;transition:.24s ease}.video-card:hover .play-button,.hero-card:hover .play-button{opacity:1;transform:translate(-50%,-50%) scale(1.04)}.play-button::before{content:"";border-left:18px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:5px}
.section{padding:72px 0;border-top:1px solid var(--line)}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:32px}.section-head p{max-width:560px;margin:0;color:var(--muted)}.grid{display:grid;gap:22px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:0 12px 38px rgba(29,37,48,.05)}.card p{color:var(--muted);margin:12px 0 0}.kicker{font-size:13px;color:var(--gold);font-weight:800;letter-spacing:.08em;text-transform:uppercase}.gallery{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}.video-card{position:relative;overflow:hidden;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:0 14px 44px rgba(29,37,48,.07)}.video-card img{aspect-ratio:16/10;object-fit:cover;width:100%;transition:.28s ease}.video-card:hover img{transform:scale(1.025)}.video-meta{padding:20px}.stats{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-top:12px}.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.tag{font-size:12px;background:var(--soft);border-radius:999px;padding:5px 9px;color:#505a66}.data-number{font-size:42px;font-weight:900;letter-spacing:-.06em}.quote{font-size:15px}
.faq-item{border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.72);margin-bottom:12px;overflow:hidden}.faq-q,.faq-item button{width:100%;background:transparent;border:0;text-align:left;padding:20px 22px;font-size:16px;font-weight:800;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;gap:18px}.faq-a{display:none;padding:0 22px 22px;color:var(--muted)}.faq-item.open .faq-a{display:block}.contact-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px}.form{display:grid;gap:14px}.form input,.form textarea{width:100%;border:1px solid var(--line);border-radius:18px;padding:14px 16px;background:#fff;font:inherit;outline:none}.form textarea{min-height:132px;resize:vertical}.footer{padding:44px 0;background:#171d26;color:#e9edf2}.footer a,.footer p{color:#aeb7c3}.footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:24px}.footer .logo-mark{background:#fff;color:#171d26}.small{font-size:13px;color:var(--muted)}.breadcrumb{font-size:13px;color:var(--muted);padding:26px 0 0}.page-hero{padding:50px 0 58px}.article-list{display:grid;gap:18px}.article-row{display:grid;grid-template-columns:180px 1fr;gap:20px;align-items:center;padding:18px;border:1px solid var(--line);border-radius:24px;background:rgba(255,255,255,.72)}.article-row img{border-radius:18px;aspect-ratio:16/10;object-fit:cover}.image-description{font-size:12px;color:var(--muted);padding:10px 2px 0}.notice{padding:13px 16px;border:1px solid var(--line);border-radius:16px;background:#fff;color:var(--muted)}
@media (max-width:900px){.header-inner{height:auto;padding:16px 0;align-items:flex-start}.menu-toggle{display:inline-flex}.nav{display:none;position:absolute;left:20px;right:20px;top:66px;flex-direction:column;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow)}.nav.open{display:flex}.hero-grid,.gallery,.contact-wrap,.footer-grid{grid-template-columns:1fr}.grid-3,.grid-4{grid-template-columns:1fr}.section-head{display:block}.article-row{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto;transition:none!important}}