*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#1f2937;background:#fafafa;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* Header */
.site-hd{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid #eef0f3}
.site-hd .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#111827}
.brand img{width:34px;height:34px}
.site-nav{display:flex;align-items:center;gap:28px}
.site-nav a{font-size:15px;color:#374151;font-weight:500;transition:color .2s}
.site-nav a:hover,.site-nav a.active{color:#e11d48}
.nav-cta{background:#e11d48;color:#fff!important;padding:9px 20px;border-radius:999px;font-weight:600!important;transition:transform .15s,box-shadow .15s}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 10px 20px -8px rgba(225,29,72,.5);color:#fff!important}
@media(max-width:820px){.site-nav{gap:14px;flex-wrap:wrap;justify-content:flex-end}.site-nav a{font-size:13px}}

/* Buttons */
.btn-fill{display:inline-block;background:#e11d48;color:#fff;padding:13px 28px;border-radius:999px;font-weight:600;font-size:15px;transition:transform .15s,box-shadow .15s}
.btn-fill:hover{transform:translateY(-2px);box-shadow:0 15px 30px -12px rgba(225,29,72,.55);color:#fff}
.btn-fill.light{background:#fff;color:#e11d48}
.btn-fill.light:hover{color:#e11d48}
.btn-line{display:inline-block;background:transparent;border:1.5px solid #e5e7eb;color:#374151;padding:11px 26px;border-radius:999px;font-weight:600;font-size:15px;transition:border-color .15s,color .15s}
.btn-line:hover{border-color:#e11d48;color:#e11d48}

/* Hero */
.hero{background:linear-gradient(135deg,#fff5f7 0%,#fff 55%,#f3f4ff 100%);padding:80px 0 100px}
.hero-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center}
.hero-tag{display:inline-block;background:#fee2e6;color:#e11d48;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:18px}
.hero-copy h1{font-size:46px;line-height:1.15;color:#0f172a;letter-spacing:-.5px;margin-bottom:20px;font-weight:800}
.hero-lead{font-size:17px;color:#4b5563;margin-bottom:32px;max-width:520px}
.hero-cta{display:flex;gap:14px;margin-bottom:40px;flex-wrap:wrap}
.hero-facts{display:flex;gap:40px}
.hero-facts li{display:flex;flex-direction:column}
.hero-facts b{font-size:26px;color:#e11d48;font-weight:800}
.hero-facts span{font-size:13px;color:#6b7280}
.hero-visual img{border-radius:24px}
@media(max-width:900px){.hero{padding:56px 0}.hero-inner{grid-template-columns:1fr;gap:40px}.hero-copy h1{font-size:34px}.hero-facts{gap:24px}}

/* Page hero */
.page-hero{background:linear-gradient(135deg,#fff5f7,#fef2f2);padding:80px 0 60px;text-align:center;border-bottom:1px solid #fce7ec}
.page-hero h1{font-size:38px;color:#0f172a;margin-bottom:14px;font-weight:800}
.page-hero p{font-size:16px;color:#6b7280;max-width:640px;margin:0 auto 24px}

/* Sections */
.sec{padding:80px 0}
.sec-alt{background:#f4f6fa}
.sec-title{text-align:center;margin-bottom:50px}
.sec-kicker{display:inline-block;color:#e11d48;font-size:13px;font-weight:700;letter-spacing:2px;margin-bottom:12px}
.sec-title h2{font-size:32px;color:#0f172a;font-weight:800}

/* Grids */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
@media(max-width:900px){.grid-3,.grid-4,.grid-5{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid-3,.grid-4,.grid-5{grid-template-columns:1fr}}

.card,.cap,.scene,.prod{background:#fff;border:1px solid #eef0f3;border-radius:18px;padding:26px;transition:transform .2s,box-shadow .2s;display:block}
.card:hover,.cap:hover,.scene:hover,.prod:hover{transform:translateY(-4px);box-shadow:0 20px 40px -20px rgba(0,0,0,.1)}
.card img,.cap img,.scene img{width:52px;height:52px;object-fit:contain;margin-bottom:16px}
.scene img{width:100%;height:180px;object-fit:cover;border-radius:12px;margin-bottom:16px}
.card h4,.cap h4,.scene h4,.prod h4{font-size:18px;color:#111827;margin-bottom:8px;font-weight:700}
.card p,.cap p,.scene p,.prod p{color:#6b7280;font-size:14px}
.prod span{display:inline-block;margin-top:14px;color:#e11d48;font-weight:600;font-size:14px}

/* CTA band */
.cta-band{background:linear-gradient(135deg,#e11d48,#f43f5e);color:#fff;padding:70px 0;text-align:center}
.cta-band h2{font-size:30px;font-weight:800;margin-bottom:12px}
.cta-band p{opacity:.9;margin-bottom:26px}

/* Article */
.article{max-width:820px;margin:0 auto;font-size:15px}
.article h2{font-size:22px;color:#0f172a;margin:32px 0 12px;font-weight:700}
.article p{margin-bottom:12px;color:#374151}
.article ul{padding-left:22px;list-style:disc;color:#374151}

/* Log list */
.log-list li{background:#fff;border:1px solid #eef0f3;border-radius:14px;padding:18px 22px;margin-bottom:14px;max-width:820px;margin-left:auto;margin-right:auto}
.log-list .tag{display:inline-block;background:#fee2e6;color:#e11d48;padding:3px 10px;border-radius:6px;font-size:12px;font-weight:700;margin-right:10px}
.log-list b{color:#9ca3af;font-weight:500;font-size:13px}
.log-list p{color:#374151;margin-top:8px;font-size:14px}

/* Plans */
.plan-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1000px;margin:0 auto}
.plan{background:#fff;border:1px solid #eef0f3;border-radius:20px;padding:32px;text-align:center;position:relative}
.plan.feat{border-color:#e11d48;box-shadow:0 20px 40px -20px rgba(225,29,72,.3)}
.plan .badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:#e11d48;color:#fff;padding:4px 14px;border-radius:999px;font-size:12px;font-weight:700}
.plan h3{font-size:20px;color:#111827;margin-bottom:12px}
.plan .price{font-size:32px;color:#e11d48;font-weight:800;margin-bottom:20px}
.plan .price span{font-size:14px;color:#9ca3af;font-weight:500}
.plan ul{margin-bottom:24px;text-align:left}
.plan li{padding:8px 0;color:#4b5563;font-size:14px;border-bottom:1px dashed #f1f1f1}
@media(max-width:820px){.plan-list{grid-template-columns:1fr}}

/* QR + dl-btns */
.qr-wrap{display:grid;grid-template-columns:200px 1fr;gap:32px;align-items:center;background:#fff;border:1px solid #eef0f3;border-radius:20px;padding:32px;margin-bottom:40px}
.qr-wrap img{width:200px;height:200px}
.qr-wrap h3{font-size:22px;color:#111827;margin-bottom:10px}
.qr-wrap p{color:#6b7280;margin-bottom:18px}
.dl-btns{display:flex;gap:12px;flex-wrap:wrap}
@media(max-width:640px){.qr-wrap{grid-template-columns:1fr;text-align:center}.qr-wrap img{margin:0 auto}}

/* License */
.license-wrap{max-width:720px;margin:0 auto;text-align:center}
.license-wrap img{max-width:100%;border:1px solid #eef0f3;border-radius:16px;box-shadow:0 20px 40px -20px rgba(0,0,0,.1);margin-bottom:24px}
.license-wrap dl{text-align:left;background:#fff;border:1px solid #eef0f3;border-radius:16px;padding:24px}
.license-wrap dt{color:#9ca3af;font-size:13px;margin-top:12px}
.license-wrap dd{color:#111827;font-size:15px;font-weight:600}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto}
.faq-list details{background:#fff;border:1px solid #eef0f3;border-radius:12px;padding:18px 22px;margin-bottom:12px}
.faq-list summary{cursor:pointer;font-weight:600;color:#111827;font-size:15px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-list summary::after{content:"+";color:#e11d48;font-size:20px;font-weight:400}
.faq-list details[open] summary::after{content:"−"}
.faq-list p{margin-top:12px;color:#4b5563;font-size:14px;padding-top:12px;border-top:1px dashed #f1f1f1}

/* Footer */
.site-ft{background:#0f172a;color:#cbd5e1;padding:60px 0 24px;margin-top:60px}
.ft-top{display:grid;grid-template-columns:1fr 2.4fr;gap:60px;margin-bottom:40px}
.ft-brand img{width:120px;margin-bottom:16px;filter:brightness(0) invert(1)}
.ft-brand p{font-size:14px;color:#94a3b8;margin-bottom:16px}
.ft-badges{display:flex;gap:8px;flex-wrap:wrap}
.ft-badges span{background:rgba(255,255,255,.08);padding:4px 10px;border-radius:6px;font-size:12px;color:#cbd5e1}
.ft-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.ft-col h5{color:#fff;font-size:14px;margin-bottom:14px;font-weight:600}
.ft-col li{margin-bottom:8px}
.ft-col a{color:#94a3b8;font-size:13px;transition:color .2s}
.ft-col a:hover{color:#e11d48}
.ft-bar{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;display:flex;justify-content:space-between;color:#64748b;font-size:13px;flex-wrap:wrap;gap:10px}
.ft-bar a{color:#94a3b8}
.ft-bar a:hover{color:#e11d48}
@media(max-width:820px){.ft-top{grid-template-columns:1fr;gap:32px}.ft-cols{grid-template-columns:repeat(2,1fr)}}