:root{
    --bg:#fff8fb;
    --surface:#ffffff;
    --ink:#28222a;
    --muted:#6f6370;
    --accent:#d94a7a;
    --accent-deep:#9d3157;
    --line:#f0dbe4;
    --soft:#fff0f6;
    --shadow:0 18px 45px rgba(102,45,72,.12);
    --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:linear-gradient(180deg,var(--bg),#fff);line-height:1.75}
a{color:var(--accent-deep);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,248,251,.94);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-wrap{max-width:1180px;margin:0 auto;padding:14px 22px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand-logo,.footer-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.18rem;color:var(--ink)}
.brand-logo img,.footer-logo img{border-radius:14px;box-shadow:0 8px 24px rgba(217,74,122,.18)}
.nav-links{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}
.nav-links a{padding:8px 12px;border-radius:999px;color:var(--muted);font-size:.94rem}
.nav-links a.is-active,.nav-links a:hover{background:var(--surface);color:var(--accent-deep);text-decoration:none;box-shadow:0 8px 24px rgba(102,45,72,.08)}
.search-panel{max-width:1180px;margin:0 auto;padding:0 22px 16px}
.fake-search{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:0 10px 32px rgba(102,45,72,.08)}
.fake-search label{display:block;font-weight:700;margin-bottom:8px}
.search-row{display:flex;gap:10px}
.search-row input{flex:1;border:1px solid var(--line);border-radius:14px;padding:12px 14px;font-size:1rem;background:#fff}
button,.primary-cta,.secondary-cta{border:0;border-radius:999px;padding:12px 18px;font-weight:800;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
button:hover,.primary-cta:hover,.secondary-cta:hover{transform:translateY(-2px);text-decoration:none}
.search-row button,.primary-cta{background:linear-gradient(135deg,var(--accent),var(--accent-deep));color:#fff;box-shadow:0 12px 28px rgba(217,74,122,.24)}
.secondary-cta{background:var(--surface);color:var(--accent-deep);border:1px solid var(--line)}
.fake-search p{margin:8px 0 0;color:var(--muted);font-size:.92rem}
main{max-width:1180px;margin:0 auto;padding:0 22px 46px}
.hero,.page-hero{margin-top:28px;border-radius:36px;background:radial-gradient(circle at 88% 0%,#ffe2ee,transparent 36%),linear-gradient(135deg,#fff,#fff4f8);box-shadow:var(--shadow);border:1px solid var(--line)}
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);gap:28px;align-items:center;padding:44px}
.compact-hero{min-height:520px}
.page-hero{padding:42px;margin-bottom:26px}
.eyebrow{color:var(--accent-deep);font-weight:800;letter-spacing:.04em;margin:0 0 8px}
h1,h2,h3{line-height:1.25;margin:0 0 14px;color:#241a22}
h1{font-size:clamp(2.1rem,5vw,4.4rem);letter-spacing:-.04em}
h2{font-size:clamp(1.55rem,3vw,2.45rem);letter-spacing:-.02em}
h3{font-size:1.18rem}.hero-text{font-size:1.08rem;color:var(--muted);max-width:650px}.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 14px}.domain-line{color:var(--muted)}
.hero-media{margin:0}.hero-media img{border-radius:30px;box-shadow:0 24px 55px rgba(102,45,72,.18);border:1px solid #fff}.hero-media figcaption{font-size:.92rem;color:var(--muted);margin-top:10px}.section-block{padding:62px 0}.section-block.soft{margin-left:-22px;margin-right:-22px;padding-left:22px;padding-right:22px;background:linear-gradient(180deg,var(--soft),rgba(255,255,255,0));border-radius:34px}.section-heading{max-width:800px;margin-bottom:28px}.section-heading p{color:var(--muted)}
.feature-grid,.scenario-grid,.review-grid,.json-grid,.video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.video-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-card,.scenario-card,.review-card,.json-card,.video-card,.update-card,.contact-box,.tip-list article{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 14px 36px rgba(102,45,72,.08)}.large-card{min-height:230px}.feature-icon{display:inline-flex;width:42px;height:42px;border-radius:14px;background:#fff0f6;align-items:center;justify-content:center;color:var(--accent-deep);font-weight:900;margin-bottom:14px}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.tag-row span{background:#fff0f6;color:var(--accent-deep);border:1px solid #f4c9d9;border-radius:999px;padding:4px 10px;font-size:.84rem;font-weight:700}.video-card{overflow:hidden;padding:0}.video-thumb{position:relative;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;background:#f7dce7}.video-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease,filter .35s ease}.video-card:hover .video-thumb img{transform:scale(1.045);filter:saturate(1.08)}.play-button{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.82);width:66px;height:66px;border-radius:50%;background:rgba(255,255,255,.92);color:var(--accent-deep);font-size:1.4rem;opacity:0;box-shadow:0 14px 34px rgba(0,0,0,.18)}.video-card:hover .play-button,.play-button:focus{opacity:1;transform:translate(-50%,-50%) scale(1)}.video-badge{position:absolute;top:14px;left:14px;background:rgba(36,26,34,.74);color:#fff;border-radius:999px;padding:6px 10px;font-size:.82rem;font-weight:800}.video-body{padding:20px}.metric-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px;color:var(--muted);font-size:.92rem}.metric-row span{background:#faf5f8;border:1px solid var(--line);border-radius:999px;padding:4px 8px}.timeline{display:grid;gap:16px}.timeline-item{display:grid;grid-template-columns:74px 1fr;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 12px 30px rgba(102,45,72,.07)}.timeline-item strong{display:flex;align-items:center;justify-content:center;width:56px;height:56px;background:linear-gradient(135deg,var(--accent),var(--accent-deep));color:#fff;border-radius:18px}.timeline-item span{color:var(--accent-deep);font-weight:700}.update-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.update-card span{display:inline-flex;color:#fff;background:var(--accent-deep);padding:4px 10px;border-radius:999px;font-weight:800;margin-bottom:12px}.update-card small{color:var(--muted)}.faq-list{display:grid;gap:12px}.faq-list details{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:0 10px 26px rgba(102,45,72,.06)}.faq-list summary{cursor:pointer;font-weight:800;color:#241a22}.review-card .stars{color:var(--accent-deep);letter-spacing:.08em;margin-bottom:12px}.review-card p{font-size:1rem}.review-card span{display:block;color:var(--muted);font-size:.92rem}.contact-box{max-width:760px}.contact-box.wide{max-width:none}.copy-button{background:var(--accent-deep);color:#fff;margin-top:10px}.json-section pre{max-height:360px;overflow:auto;background:#241a22;color:#fff7fb;border-radius:18px;padding:16px;font-size:.85rem}.json-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tip-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0;color:var(--muted);font-size:.94rem}.site-footer{background:#241a22;color:#fff7fb;margin-top:36px;padding:34px 22px}.site-footer a{color:#ffd7e5}.footer-grid{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1fr 1.3fr;gap:28px}.footer-logo{color:#fff}.toast{position:fixed;right:22px;bottom:22px;z-index:50;background:#241a22;color:#fff;border-radius:16px;padding:14px 18px;max-width:min(420px,calc(100vw - 44px));box-shadow:0 18px 42px rgba(0,0,0,.22)}
@media (max-width:900px){.hero{grid-template-columns:1fr;padding:28px}.nav-wrap{align-items:flex-start;flex-direction:column}.nav-links{justify-content:flex-start}.feature-grid,.scenario-grid,.review-grid,.video-grid,.update-list,.json-grid,.tip-list,.footer-grid{grid-template-columns:1fr}.section-block.soft{border-radius:24px}.search-row{flex-direction:column}h1{font-size:2.25rem}.compact-hero{min-height:auto}}
@media (max-width:560px){main,.nav-wrap,.search-panel{padding-left:16px;padding-right:16px}.hero,.page-hero{border-radius:24px;padding:22px}.section-block{padding:42px 0}.timeline-item{grid-template-columns:1fr}.timeline-item strong{width:50px;height:50px}.nav-links a{font-size:.88rem;padding:7px 9px}.play-button{opacity:1;width:54px;height:54px}.metric-row{font-size:.84rem}}