:root{
    --bg:#f7f5ef;
    --panel:#ffffff;
    --ink:#1d2327;
    --muted:#65707a;
    --brand:#3d7b4b;
    --brand-dark:#245b34;
    --gold:#c89b42;
    --line:#e7e1d4;
    --shadow:0 20px 55px rgba(30,39,48,.12);
    --radius:24px;
}
*{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;background:var(--bg);color:var(--ink);line-height:1.72}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
button,input,textarea{font:inherit}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.site-header{background:rgba(255,255,255,.94);backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.header-top{display:flex;justify-content:space-between;gap:16px;max-width:1180px;margin:auto;padding:8px 20px;color:var(--muted);font-size:14px;border-bottom:1px dashed var(--line)}
.header-main{max-width:1180px;margin:auto;padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand-logo,.footer-logo{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--brand-dark)}
.brand-logo strong{display:block;font-size:24px;letter-spacing:.04em}.brand-logo em{display:block;font-style:normal;font-size:13px;color:var(--muted);font-weight:500}
.consult-link,.primary-btn,.secondary-btn,.contact-form button,.share-button{border:none;border-radius:999px;padding:12px 20px;background:var(--brand);color:#fff;font-weight:700;box-shadow:0 10px 24px rgba(61,123,75,.22);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.secondary-btn{background:#fff;color:var(--brand-dark);border:1px solid var(--line);box-shadow:none}.share-button{padding:10px 14px;font-size:14px}.consult-link:hover,.primary-btn:hover,.contact-form button:hover,.share-button:hover{background:var(--brand-dark)}
.site-nav{max-width:1180px;margin:auto;padding:0 20px 14px;display:flex;gap:10px;flex-wrap:wrap}.site-nav a{padding:8px 12px;border-radius:999px;color:var(--muted);font-weight:700;font-size:14px}.site-nav a:hover,.site-nav a[aria-current="page"]{background:#edf5ee;color:var(--brand-dark)}
.search-panel{max-width:1180px;margin:0 auto 14px;padding:0 20px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center}.search-panel input{width:100%;border:1px solid var(--line);border-radius:16px;padding:12px 14px;background:#fff}.search-panel button{border:none;border-radius:16px;background:var(--ink);color:#fff;padding:12px 18px;font-weight:700;cursor:pointer}.search-panel p{grid-column:1/-1;margin:0;color:var(--brand-dark);font-size:14px;min-height:20px}
.breadcrumb{max-width:1180px;margin:18px auto 0;padding:0 20px;color:var(--muted);font-size:14px}.breadcrumb a{color:var(--brand-dark);font-weight:700}.breadcrumb span{margin:0 8px}
main{overflow:hidden}.hero,.inner-hero,.section-block{max-width:1180px;margin:28px auto;padding:0 20px}.hero,.inner-hero{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}.hero-copy,.inner-hero>div,.section-block{position:relative}.hero-copy{padding:38px;border-radius:var(--radius);background:linear-gradient(135deg,#fff 0%,#f1f7ef 100%);box-shadow:var(--shadow)}
.eyebrow{display:inline-flex;align-items:center;border:1px solid rgba(61,123,75,.22);background:#edf5ee;color:var(--brand-dark);border-radius:999px;padding:5px 12px;font-weight:800;font-size:13px;margin-bottom:12px}h1,h2,h3{line-height:1.22;margin:0 0 12px}h1{font-size:clamp(34px,5vw,60px);letter-spacing:-.04em}h2{font-size:clamp(26px,3vw,40px);letter-spacing:-.03em}h3{font-size:20px}.hero-subtitle,.section-heading p,.inner-hero p{color:var(--muted);font-size:17px;margin:0 0 20px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.hero-points{padding-left:20px;color:#36434d;margin:0}.hero-points li+li{margin-top:8px}.hero-media,.inner-hero figure,.trust-layout figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px;box-shadow:var(--shadow)}figcaption{font-size:13px;color:var(--muted);padding:10px 4px 2px}
.section-block{padding-top:42px;padding-bottom:42px}.section-block.muted{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 34px rgba(30,39,48,.08);padding-left:28px;padding-right:28px}.section-heading{max-width:850px;margin-bottom:24px}.feature-grid,.scene-grid,.video-grid,.review-grid,.share-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.feature-card,.scene-grid article,.review-grid article,.share-grid article,.article-list article{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 10px 30px rgba(30,39,48,.06)}.section-block.muted .feature-card,.section-block.muted .scene-grid article{background:#faf8f3}.feature-icon{width:48px;height:48px;border-radius:16px;background:#edf5ee;color:var(--brand-dark);display:grid;place-items:center;font-size:24px;font-weight:900;margin-bottom:14px}.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.tag-row span{font-size:12px;border-radius:999px;background:#f2ead9;color:#7b5c20;padding:5px 9px;font-weight:700}.tag-row.large span{font-size:14px;padding:8px 12px}
.video-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.video-card{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 10px 30px rgba(30,39,48,.08);outline:none}.video-card:focus-within,.video-card:focus{box-shadow:0 0 0 4px rgba(61,123,75,.16),var(--shadow)}.video-thumb{position:relative;aspect-ratio:16/10;background:#162018;overflow:hidden}.video-thumb video{width:100%;height:100%;object-fit:cover;display:block}.play-layer{position:absolute;inset:0;margin:auto;width:64px;height:64px;border-radius:50%;border:2px solid rgba(255,255,255,.85);background:rgba(36,91,52,.86);color:#fff;font-size:24px;opacity:0;transform:scale(.86);transition:.22s ease;cursor:pointer}.video-card:hover .play-layer,.video-card:focus .play-layer{opacity:1;transform:scale(1)}.video-body{padding:18px}.video-body p{color:var(--muted);font-size:14px}.metrics{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.metrics span{font-size:12px;background:#f5f7f4;border-radius:999px;padding:5px 8px;color:#4e5b64;font-weight:700}
.timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.timeline article{background:#fff;border-left:5px solid var(--brand);border-radius:18px;padding:20px;box-shadow:0 10px 30px rgba(30,39,48,.06)}.timeline span{font-size:28px;font-weight:900;color:var(--gold)}.timeline em{color:var(--muted);font-size:13px}.update-list{display:grid;gap:14px}.update-list article{display:grid;grid-template-columns:120px 80px minmax(0,1fr);gap:18px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px}.update-list time,.update-list strong{font-weight:800;color:var(--brand-dark)}.update-list h3{margin-bottom:4px}.update-list p{margin:0;color:var(--muted)}
.trust-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:center}.trust-layout ol{padding-left:20px}.trust-layout li+li{margin-top:8px}.faq-list{display:grid;gap:12px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}.faq-list summary{font-weight:800;color:var(--brand-dark);cursor:pointer}.faq-list p{color:var(--muted);margin:10px 0 0}.review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.review-grid article p{font-size:17px;color:#2b343b}.review-grid article span{color:var(--muted)}
.footer-consult{max-width:1180px;margin:40px auto 0;padding:30px 20px;display:grid;grid-template-columns:1fr 420px;gap:24px;background:linear-gradient(135deg,var(--brand-dark),#18261c);color:#fff;border-radius:28px}.footer-consult p{color:rgba(255,255,255,.76)}.contact-form{display:grid;gap:12px;background:rgba(255,255,255,.1);padding:18px;border-radius:22px}.contact-form label{display:grid;gap:6px;font-weight:700}.contact-form input,.contact-form textarea{border:none;border-radius:14px;padding:10px 12px}.contact-form button{background:var(--gold);color:#1d2327}.site-footer{padding:0 20px 30px}.footer-main{max-width:1180px;margin:22px auto 0;border-top:1px solid var(--line);padding-top:20px;color:var(--muted)}.footer-logo span{font-size:22px;font-weight:900}.footer-links{display:flex;gap:12px;flex-wrap:wrap;margin:16px 0}.footer-links a{color:var(--brand-dark);font-weight:700}.footer-copy,.footer-note{margin:6px 0}
.inner-hero{background:linear-gradient(135deg,#fff,#f2f7ef);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}.inner-hero h1{font-size:clamp(30px,4vw,48px)}.domain-line{background:#fff;border:1px dashed var(--line);border-radius:16px;padding:10px 12px}.article-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
@media (max-width:980px){.hero,.inner-hero,.trust-layout,.footer-consult{grid-template-columns:1fr}.video-grid,.feature-grid,.scene-grid,.timeline{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-consult{border-radius:22px}.review-grid{grid-template-columns:1fr}}
@media (max-width:640px){.header-top,.header-main{align-items:flex-start;flex-direction:column}.site-nav{overflow:auto;flex-wrap:nowrap}.search-panel{grid-template-columns:1fr}.hero,.inner-hero,.section-block{margin:18px auto}.hero-copy{padding:24px}.video-grid,.feature-grid,.scene-grid,.timeline,.article-list,.share-grid{grid-template-columns:1fr}.update-list article{grid-template-columns:1fr;gap:6px}.section-block.muted{padding-left:20px;padding-right:20px}.consult-link,.primary-btn,.secondary-btn{width:100%}h1{font-size:34px}}