:root{--primary:#1d6fe0;--primary-dark:#1556b0;--accent:#ff8a3d;--bg:#f7f9fc;--surface:#fff;--text:#1a1d24;--text2:#5a6472;--text3:#8a93a2;--border:#e3e8ef;--radius:14px;--shadow:0 6px 24px #101e3614;--maxw:1160px;--font:"PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}svg{width:22px;height:22px}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}.container--narrow{max-width:820px}.btn{cursor:pointer;font-size:15px;font-weight:600;font-family:var(--font);border:1.5px solid #0000;border-radius:999px;justify-content:center;align-items:center;padding:10px 22px;transition:all 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var(--border)}.section__title{text-align:center;letter-spacing:-.01em;font-size:30px;font-weight:800}.section__sub{text-align:center;color:var(--text2);margin-top:8px}.section__more{text-align:center;margin-top:36px}.feature-grid{grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px;display:grid}.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px 24px;transition:transform .2s,box-shadow .2s}.feature-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}.feature-card__icon{width:46px;height:46px;color:var(--primary);background:#1d6fe01a;border-radius:12px;justify-content:center;align-items:center;margin-bottom:16px;display:flex}.feature-card__icon svg{width:24px;height:24px}.feature-card h3{margin-bottom:8px;font-size:17px}.feature-card p{color:var(--text2);font-size:14px}.gallery-grid{grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px;display:grid}.gallery-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.gallery-card img{aspect-ratio:4/3;object-fit:cover;width:100%}.gallery-card figcaption{color:var(--text2);padding:12px 16px;font-size:14px;font-weight:600}.cta{background:linear-gradient(135deg, var(--primary) 0%, #0f4fae 100%);color:#fff;padding:72px 0}.cta__inner{text-align:center}.cta__inner h2{font-size:30px;font-weight:800}.cta__inner p{opacity:.85;margin:12px 0 28px}.page-hero{text-align:center;background:linear-gradient(180deg, #eef4fc 0%, var(--bg) 100%);padding:64px 0 56px}.page-hero h1{font-size:34px;font-weight:800}.page-hero p{color:var(--text2);margin-top:10px}.detail-list{flex-direction:column;gap:16px;display:flex}.detail-card{background:var(--surface);border:1px solid 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(width<=900px){.hero__inner{grid-template-columns:1fr;gap:32px}.hero__title{font-size:32px}.feature-grid{grid-template-columns:repeat(2,1fr)}.gallery-grid{grid-template-columns:1fr 1fr}.trust__grid{grid-template-columns:repeat(2,1fr)}.download-grid{grid-template-columns:1fr}}@media (width<=640px){.navbar__toggle{display:flex}.navbar__links{border-bottom:1px solid var(--border);background:#fff;flex-direction:column;align-items:stretch;gap:4px;padding:12px 24px 20px;display:none;position:absolute;top:64px;left:0;right:0}.navbar__links.is-open{display:flex}.navbar__link{padding:12px 14px}.navbar__cta{margin:8px 0 0}.feature-grid,.gallery-grid{grid-template-columns:1fr}.trust__grid{grid-template-columns:1fr;gap:16px}.footer__inner{grid-template-columns:1fr;gap:28px}.detail-card{flex-direction:column}.pricing-card{flex-direction:column;align-items:stretch;gap:28px;padding:28px 24px}.pricing-contact{align-self:center}.pricing-price{justify-content:center}.pricing-list li{padding-left:24px}.section{padding:48px 0}}