*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--primary:#e91e63;--primary-dark:#c2185b;--text:#1a1a2e;--text-light:#555;--bg:#f8f9fc;--white:#fff;--border:#e8eaf0;--radius:10px;--shadow:0 2px 12px rgba(0,0,0,.08)}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.7}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius)}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.skip-link{position:absolute;top:-100px;left:0;background:var(--primary);color:#fff;padding:8px 16px;z-index:999}
.skip-link:focus{top:0}

header{background:var(--white);box-shadow:var(--shadow);position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:1100px;margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;font-size:1.15rem;font-weight:700;color:var(--text)}
.logo img{width:40px;height:40px;border-radius:8px}
nav ul{display:flex;list-style:none;gap:6px;flex-wrap:wrap}
nav a{display:block;padding:8px 14px;border-radius:6px;color:var(--text);font-size:.95rem}
nav a:hover,nav a.active{background:#fce4ec;color:var(--primary)}
.menu-toggle{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;padding:4px 8px}

.hero{background:linear-gradient(135deg,#fce4ec 0%,#f3e5f5 50%,#e8eaf6 100%);padding:48px 20px 40px;text-align:center}
.hero h1{font-size:1.75rem;line-height:1.4;margin-bottom:16px;color:var(--text)}
.hero p{font-size:1.05rem;color:var(--text-light);max-width:720px;margin:0 auto}

main{padding:40px 0}
section{margin-bottom:48px}
section h2{font-size:1.45rem;margin-bottom:16px;padding-bottom:8px;border-bottom:3px solid var(--primary);display:inline-block}
section h3{font-size:1.15rem;margin:20px 0 10px;color:var(--text)}
section p,section li{color:var(--text-light);margin-bottom:12px}
section ul,section ol{padding-left:24px;margin-bottom:16px}

.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px;margin-top:24px}
.card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(0,0,0,.12)}
.card-body{padding:16px 20px 20px}
.card-body h3{margin:0 0 8px;font-size:1.05rem}
.card-body p{font-size:.92rem;margin:0}

.feature-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin-top:20px;list-style:none;padding:0}
.feature-list li{background:var(--white);padding:20px;border-radius:var(--radius);box-shadow:var(--shadow)}
.feature-list strong{display:block;margin-bottom:6px;color:var(--text)}

.steps{counter-reset:step;margin-top:20px;padding-left:0;list-style:none}
.steps li{counter-increment:step;padding:14px 14px 14px 56px;position:relative;background:var(--white);margin-bottom:12px;border-radius:var(--radius);box-shadow:var(--shadow)}
.steps li::before{content:counter(step);position:absolute;left:14px;top:14px;width:30px;height:30px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem}

.faq-item{background:var(--white);border-radius:var(--radius);padding:20px;margin-bottom:12px;box-shadow:var(--shadow)}
.faq-item h3{margin:0 0 8px;font-size:1rem;color:var(--text)}
.faq-item p{margin:0;font-size:.95rem}

.cta-box{background:linear-gradient(135deg,var(--primary),#9c27b0);color:#fff;padding:36px 28px;border-radius:var(--radius);text-align:center;margin-top:40px}
.cta-box h2{color:#fff;border:none;margin-bottom:12px}
.cta-box p{color:rgba(255,255,255,.9);margin-bottom:0}
.cta-box a{color:#fff;text-decoration:underline}

.breadcrumb{padding:12px 0;font-size:.88rem;color:var(--text-light)}
.breadcrumb a{color:var(--text-light)}
.breadcrumb a:hover{color:var(--primary)}

.page-header{background:var(--white);padding:32px 0;border-bottom:1px solid var(--border);margin-bottom:32px}
.page-header h1{font-size:1.6rem;margin-bottom:8px}
.page-header p{color:var(--text-light)}

.content-block{background:var(--white);padding:28px 32px;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:24px}
.content-block h2{font-size:1.2rem;margin-bottom:12px;border:none;padding:0;display:block}
.content-block h3{font-size:1.05rem;margin:18px 0 8px}

footer{background:#1a1a2e;color:#ccc;padding:36px 0 24px;margin-top:48px}
.footer-inner{max-width:1100px;margin:0 auto;padding:0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;margin-bottom:28px}
.footer-grid h4{color:#fff;margin-bottom:12px;font-size:1rem}
.footer-grid ul{list-style:none}
.footer-grid li{margin-bottom:8px}
.footer-grid a{color:#aaa;font-size:.92rem}
.footer-grid a:hover{color:#fff}
.footer-bottom{border-top:1px solid #333;padding-top:20px;text-align:center;font-size:.85rem;color:#888}

.media-row{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;margin:32px 0;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.media-row.reverse{direction:rtl}
.media-row.reverse>*{direction:ltr}
.media-row img{border-radius:0;width:100%;height:100%;object-fit:cover}
.media-text{padding:28px 32px}
.media-text h3{font-size:1.15rem;margin:0 0 12px;color:var(--text)}
.media-text p{font-size:.95rem;margin-bottom:10px}
.media-text ul{padding-left:18px;margin-top:8px}
.media-text li{font-size:.93rem;color:var(--text-light);margin-bottom:6px}
.showcase{margin:28px 0;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.showcase img{width:100%;border-radius:0}
.showcase-cap{padding:20px 28px}
.showcase-cap h3{margin:0 0 8px;font-size:1.1rem}
.showcase-cap p{margin:0;font-size:.95rem;color:var(--text-light)}
.toc{background:var(--white);padding:24px 28px;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:40px}
.toc h2{font-size:1.1rem;border:none;margin-bottom:12px;padding:0;display:block}
.toc ol{padding-left:20px;columns:2;column-gap:32px}
.toc li{margin-bottom:6px;font-size:.93rem}
.compare-table{width:100%;border-collapse:collapse;margin-top:16px;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.compare-table th,.compare-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--border);font-size:.93rem}
.compare-table th{background:#fce4ec;color:var(--text);font-weight:600}
.compare-table td{color:var(--text-light)}
.compare-table tr:last-child td{border-bottom:none}

#applist{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 20px 12px;margin-bottom:28px;text-align:center}
#applist .applist-title{font-weight:700;font-size:1rem;color:var(--primary);margin-bottom:12px;letter-spacing:.5px}
#ads{display:flex;justify-content:center;align-items:flex-start;flex-wrap:wrap;gap:12px 16px;background:transparent}
#ads>div{display:flex;flex-direction:column;align-items:center;width:76px}
#ads img{width:68px;height:68px;object-fit:cover;border-radius:16px;box-shadow:0 4px 14px rgba(0,0,0,.12);transition:transform .18s ease,box-shadow .18s ease;display:block;border:none;background:#fff}
#ads a{display:inline-block;text-decoration:none;border-radius:16px;padding:2px}
#ads a:hover img{transform:translateY(-3px) scale(1.06);box-shadow:0 8px 22px rgba(233,30,99,.25)}
#ads .caption{height:16px;font-size:11px;color:var(--text-light);text-align:center;max-width:76px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:4px}

.error-page{text-align:center;padding:80px 20px}
.error-page h1{font-size:5rem;color:var(--primary);line-height:1}
.error-page h2{margin:16px 0 12px}
.error-page p{color:var(--text-light);margin-bottom:24px}

@media(max-width:768px){
  .menu-toggle{display:block}
  nav{position:absolute;top:100%;left:0;right:0;background:var(--white);box-shadow:var(--shadow);display:none;padding:12px 0}
  nav.open{display:block}
  nav ul{flex-direction:column;padding:0 16px}
  .hero h1{font-size:1.35rem}
  .footer-grid{grid-template-columns:1fr;gap:20px}
  .content-block{padding:20px}
  .media-row{grid-template-columns:1fr}
  .media-row.reverse{direction:ltr}
  .media-text{padding:20px}
  .toc ol{columns:1}
  .compare-table{font-size:.85rem}
  .compare-table th,.compare-table td{padding:10px 12px}
}