*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei','Segoe UI',sans-serif;background:#fff;color:#333;line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:#e91e63}img{max-width:100%;height:auto;display:block}.container{max-width:1100px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{background:#fff;border-bottom:1px solid #eee;position:sticky;top:0;z-index:100}.header-inner{display:flex;align-items:center;justify-content:space-between;height:60px;max-width:1100px;margin:0 auto;padding:0 20px}.logo-area{display:flex;align-items:center;gap:8px}.logo-area img{height:38px;width:auto}.logo-area .logo-text{font-size:18px;font-weight:700;color:#222}.nav-links{display:flex;gap:30px;align-items:center}.nav-links a{font-size:15px;color:#555;font-weight:500;padding:6px 0;border-bottom:2px solid transparent;transition:all 0.2s}.nav-links a:hover,.nav-links a.active{color:#e91e63;border-bottom-color:#e91e63}.header-btn{display:inline-flex;align-items:center;gap:6px;background:#e91e63;color:#fff!important;padding:9px 24px;border-radius:22px;font-weight:600;font-size:14px;transition:0.2s;white-space:nowrap;border:none}.header-btn:hover{background:#c2185b;transform:translateY(-1px);box-shadow:0 4px 16px rgba(233,30,99,0.3)}.header-btn::after{display:none!important}

/* Hero */
.hero{background:#fafafa;padding:60px 0 50px;border-bottom:1px solid #eee}.hero-inner{display:flex;align-items:center;gap:50px;flex-wrap:wrap}.hero-text{flex:1;min-width:300px}.hero-text h1{font-size:38px;font-weight:800;line-height:1.25;color:#111;margin-bottom:14px}.hero-text .hero-sub{font-size:17px;color:#666;margin-bottom:28px;line-height:1.7}.hero-btns{display:flex;gap:12px;flex-wrap:wrap}.hero-img{flex:1;min-width:300px}.hero-img img{border-radius:16px;box-shadow:0 20px 40px -16px rgba(0,0,0,0.12)}

.btn-primary{display:inline-flex;align-items:center;gap:8px;background:#e91e63;color:#fff;padding:13px 32px;border-radius:26px;font-weight:600;font-size:16px;transition:0.2s}.btn-primary:hover{background:#c2185b;transform:translateY(-2px);box-shadow:0 8px 24px rgba(233,30,99,0.25)}.btn-outline{display:inline-flex;align-items:center;gap:8px;background:#fff;color:#e91e63;padding:13px 28px;border-radius:26px;font-weight:600;font-size:16px;border:1.5px solid #e91e63;transition:0.2s}.btn-outline:hover{background:#fff5f8}

/* Sections */
.section{padding:60px 0}.section-header{text-align:center;margin-bottom:40px}.section-header h2{font-size:30px;font-weight:700;color:#111;margin-bottom:8px}.section-header p{font-size:16px;color:#777;max-width:600px;margin:0 auto}

/* Content card */
.content-card{background:#fff;border:1px solid #eee;border-radius:16px;padding:40px;margin-bottom:28px}.content-card h3{font-size:22px;font-weight:700;color:#111;margin-bottom:12px}.content-card p{font-size:16px;color:#555;line-height:1.8;margin-bottom:12px}.content-card ul,.content-card ol{padding-left:22px;margin:10px 0 16px;color:#555}.content-card li{font-size:15px;margin-bottom:8px;line-height:1.7}.content-card strong{color:#e91e63}

/* Feature grid */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.feature-item{background:#fafafa;border:1px solid #eee;border-radius:14px;padding:28px 22px;text-align:center;transition:0.2s}.feature-item:hover{border-color:#e91e63;box-shadow:0 4px 16px rgba(233,30,99,0.06)}.feature-item .fi-icon{font-size:38px;margin-bottom:12px}.feature-item h4{font-size:16px;font-weight:600;margin-bottom:8px;color:#222}.feature-item p{font-size:14px;color:#888;line-height:1.6}

/* Tools grid */
.tools-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.tool-card{background:#fafafa;border:1px solid #eee;border-radius:14px;padding:24px 18px;text-align:center;transition:0.2s}.tool-card:hover{border-color:#e91e63}.tool-card .ti-icon{font-size:32px;margin-bottom:10px}.tool-card h4{font-size:15px;font-weight:600;margin-bottom:4px;color:#222}.tool-card p{font-size:13px;color:#999}.tool-card .ti-link{display:inline-block;margin-top:10px;font-size:13px;color:#e91e63;font-weight:600}

/* FAQ */
.faq-item{border:1px solid #eee;border-radius:12px;padding:22px 26px;margin-bottom:12px;transition:0.2s}.faq-item:hover{border-color:#e91e63;background:#fff5f8}.faq-item h4{font-size:17px;font-weight:600;color:#222;margin-bottom:6px}.faq-item p{font-size:15px;color:#666;line-height:1.7}

/* Download page */
.dl-hero{text-align:center;padding:40px 0 24px}.dl-hero h1{font-size:36px;font-weight:700;margin-bottom:8px}.dl-hero p{color:#888;font-size:16px;max-width:560px;margin:0 auto}.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:30px 0}.dl-card{background:#fafafa;border:1px solid #eee;border-radius:16px;padding:32px 24px;text-align:center;transition:0.2s}.dl-card:hover{border-color:#e91e63}.dl-card .d-icon{font-size:40px;margin-bottom:12px}.dl-card h3{font-size:17px;font-weight:600;margin-bottom:8px;color:#222}.dl-card p{font-size:14px;color:#888;margin-bottom:16px;line-height:1.6}.dl-info{background:#fafafa;border:1px solid #eee;border-radius:16px;padding:36px;margin-bottom:40px}.dl-info h2{font-size:20px;font-weight:600;margin:20px 0 10px;color:#222}.dl-info h2:first-child{margin-top:0}.dl-info p{font-size:15px;color:#666;line-height:1.8;margin-bottom:8px}

/* Article */
.article-wrap{padding:30px 0 50px}
.article-header{padding:20px 0 10px}.article-header h1{font-size:32px;font-weight:700;color:#111;line-height:1.3;margin-bottom:8px}.article-meta{font-size:14px;color:#aaa;margin-bottom:24px}.breadcrumb{font-size:14px;color:#bbb;margin-bottom:12px}.breadcrumb a{color:#999}.breadcrumb a:hover{color:#e91e63}.article-body{max-width:780px}.article-body h2{font-size:22px;font-weight:600;color:#222;margin:32px 0 12px}.article-body p{font-size:16px;color:#555;line-height:1.85;margin-bottom:14px}.article-body ul,.article-body ol{padding-left:22px;margin:10px 0 16px;color:#555}.article-body li{font-size:15px;margin-bottom:6px;line-height:1.7}.article-body strong{color:#e91e63}

/* 404 */
.error-box{text-align:center;padding:100px 0}.error-box .e-num{font-size:100px;font-weight:900;color:#e91e63;line-height:1.1}.error-box h2{font-size:22px;margin:12px 0}.error-box p{color:#888;margin-bottom:24px}.error-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* Sitemap */
.sitemap-page{padding:30px 0 50px}.sitemap-page h1{font-size:28px;font-weight:700;margin-bottom:24px}.sitemap-block{background:#fafafa;border:1px solid #eee;border-radius:14px;padding:22px 26px;margin-bottom:16px}.sitemap-block h2{font-size:17px;font-weight:600;display:inline-block;padding-bottom:5px;border-bottom:2px solid #e91e63;margin-bottom:12px}.sitemap-block ul{list-style:none}.sitemap-block li{padding:5px 0}.sitemap-block a{color:#666;font-size:15px}.sitemap-block a:hover{color:#e91e63}

/* Footer */
.site-footer{background:#1a1a1a;color:#aaa;padding:44px 0 24px;margin-top:60px}.footer-inner{display:flex;flex-wrap:wrap;gap:36px;max-width:1100px;margin:0 auto 28px;padding:0 20px}.footer-col{flex:1 1 150px}.footer-col h5{color:#fff;font-size:15px;font-weight:600;margin-bottom:12px}.footer-col ul{list-style:none}.footer-col li{margin-bottom:7px}.footer-col a{color:#999;font-size:14px;transition:0.2s}.footer-col a:hover{color:#e91e63}.footer-bottom{text-align:center;padding:18px 20px 0;border-top:1px solid rgba(255,255,255,0.08);font-size:13px;color:#777;max-width:1100px;margin:0 auto}

@media (max-width:1024px){.feature-grid,.tools-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:768px){.hero-inner{flex-direction:column;text-align:center}.hero-text h1{font-size:28px}.section{padding:40px 0}.section-header h2{font-size:24px}.feature-grid,.tools-grid,.dl-grid{grid-template-columns:1fr}.header-inner{flex-wrap:wrap;height:auto;padding:10px 16px;gap:10px}.nav-links{gap:16px}.nav-links a{font-size:13px}.dl-hero h1{font-size:26px}.article-header h1{font-size:24px}}