:root{
    --bg:#f7f5ef;
    --panel:#ffffff;
    --ink:#1f2a24;
    --muted:#66736b;
    --brand:#2f7d55;
    --brand-dark:#1f5d3e;
    --accent:#f0b45e;
    --soft:#e8f2eb;
    --line:#dce5df;
    --shadow:0 18px 48px rgba(30,60,42,.12);
}
*{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:1.7}
a{color:inherit;text-decoration:none}
img,video{max-width:100%;display:block}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.topbar{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px 20px 10px}
.brand-logo{display:inline-flex;align-items:center;gap:10px;font-weight:900;font-size:1.24rem;color:var(--brand-dark)}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--brand),#80b686);color:#fff;box-shadow:0 10px 28px rgba(47,125,85,.22)}
.domain-tip{margin:0;color:var(--muted);font-size:.94rem}
.main-nav{max-width:1180px;margin:auto;padding:0 20px 12px;display:flex;gap:10px;overflow-x:auto}
.main-nav a{white-space:nowrap;padding:9px 13px;border-radius:999px;color:#345245;font-weight:700;font-size:.94rem}
.main-nav a.active,.main-nav a:hover{background:var(--soft);color:var(--brand-dark)}
.search-shell{max-width:1180px;margin:auto;padding:0 20px 16px}
.search-shell label{display:block;font-size:.9rem;color:var(--muted);margin-bottom:6px}
.search-box{display:flex;gap:10px}
.search-box input{flex:1;border:1px solid var(--line);border-radius:16px;padding:12px 14px;font-size:1rem;background:#fff}
.search-box button,.btn{border:none;border-radius:16px;padding:12px 18px;background:var(--brand);color:#fff;font-weight:800;cursor:pointer;box-shadow:0 10px 24px rgba(47,125,85,.18)}
.btn.secondary{background:#fff;color:var(--brand-dark);border:1px solid var(--line);box-shadow:none}
.search-result{margin:8px 0 0;color:var(--brand-dark);font-size:.92rem}
main{max-width:1180px;margin:auto;padding:28px 20px 60px}
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center;min-height:560px}
.hero-card,.panel{background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:30px;box-shadow:var(--shadow)}
.hero-copy{padding:44px}
.eyebrow{display:inline-flex;gap:8px;align-items:center;padding:7px 12px;border-radius:999px;background:var(--soft);color:var(--brand-dark);font-weight:800;font-size:.9rem}
h1,h2,h3,h4,h5,h6{line-height:1.25;margin:0 0 14px;color:#18281f}
h1{font-size:clamp(2.1rem,4.8vw,4.5rem);letter-spacing:-.05em;margin-top:18px}
h2{font-size:clamp(1.6rem,3vw,2.55rem);letter-spacing:-.03em}
h3{font-size:1.24rem}.lead{font-size:1.12rem;color:#4b5f53;margin:0 0 24px}.muted{color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}.trust-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}.trust-item{padding:15px;background:#f6fbf7;border-radius:18px;border:1px solid var(--line)}.trust-item strong{display:block;color:var(--brand-dark);font-size:1.2rem}.hero-media{padding:18px}.video-card{position:relative;overflow:hidden;border-radius:24px;background:#111;color:#fff;box-shadow:0 16px 42px rgba(0,0,0,.12)}.video-card video,.video-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease,filter .35s ease}.video-card:hover img,.video-card:hover video{transform:scale(1.04);filter:brightness(.78)}.play-badge{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.88);width:76px;height:76px;border-radius:50%;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;opacity:.15;transition:.25s ease}.play-badge::before{content:"";display:block;border-left:22px solid var(--brand);border-top:14px solid transparent;border-bottom:14px solid transparent;margin-left:5px}.video-card:hover .play-badge{opacity:1;transform:translate(-50%,-50%) scale(1)}.video-meta{position:absolute;left:0;right:0;bottom:0;padding:18px;background:linear-gradient(180deg,transparent,rgba(0,0,0,.75))}.video-meta p{margin:0}.metrics{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px;font-size:.86rem;color:#edf7ef}.section{margin-top:64px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-head p{max-width:680px;margin:0;color:var(--muted)}.grid{display:grid;gap:18px}.grid.three{grid-template-columns:repeat(3,1fr)}.grid.four{grid-template-columns:repeat(4,1fr)}.grid.two{grid-template-columns:repeat(2,1fr)}.card{background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:0 12px 32px rgba(40,60,45,.07)}.card h3{color:var(--brand-dark)}.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.tag{padding:5px 10px;border-radius:999px;background:var(--soft);color:var(--brand-dark);font-size:.83rem;font-weight:700}.number{display:inline-flex;width:36px;height:36px;border-radius:12px;align-items:center;justify-content:center;background:var(--brand);color:#fff;font-weight:900;margin-bottom:12px}.timeline{display:grid;gap:14px}.timeline article{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:20px;border:1px solid var(--line);border-radius:22px;background:#fff}.timeline time{font-weight:900;color:var(--brand-dark)}.faq-list{display:grid;gap:14px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px}.faq-item summary{cursor:pointer;font-weight:900;color:#203b2c}.review{display:flex;gap:14px}.avatar{flex:0 0 44px;width:44px;height:44px;border-radius:15px;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900}.contact-panel{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}.contact-panel form{display:grid;gap:12px}.contact-panel input,.contact-panel textarea,select{width:100%;border:1px solid var(--line);border-radius:15px;padding:12px 14px;font:inherit;background:#fff}.contact-panel textarea{min-height:126px}.breadcrumb{font-size:.92rem;color:var(--muted);margin-bottom:24px}.breadcrumb a{color:var(--brand-dark);font-weight:800}.page-hero{padding:42px;border-radius:30px;background:linear-gradient(135deg,#f7fbf8,#fff4e4);border:1px solid var(--line);box-shadow:var(--shadow)}.article-body{max-width:860px}.article-body p{color:#42584a}.check-list{padding-left:0;list-style:none;display:grid;gap:10px}.check-list li{position:relative;padding-left:28px}.check-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--brand);font-weight:900}.site-footer{background:#16251d;color:#e7f0ea;padding:46px 20px 22px}.footer-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:26px}.site-footer h2{font-size:1.1rem;color:#fff}.site-footer p{color:#c7d6ce}.footer-logo{color:#fff}.copyright{max-width:1180px;margin:30px auto 0;border-top:1px solid rgba(255,255,255,.14);padding-top:18px;font-size:.92rem}.mini-table{width:100%;border-collapse:collapse;background:#fff;border-radius:20px;overflow:hidden;border:1px solid var(--line)}.mini-table th,.mini-table td{text-align:left;padding:14px;border-bottom:1px solid var(--line)}.mini-table th{background:var(--soft);color:var(--brand-dark)}.share-row{display:flex;flex-wrap:wrap;gap:10px}.share-row a{padding:9px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--brand-dark);font-weight:800}
@media (max-width:900px){.hero,.contact-panel{grid-template-columns:1fr}.grid.three,.grid.four,.grid.two,.footer-grid{grid-template-columns:1fr}.hero-copy{padding:28px}.trust-row{grid-template-columns:1fr}.timeline article{grid-template-columns:1fr}.search-box{flex-direction:column}.topbar{align-items:flex-start;flex-direction:column}.section-head{display:block}}