/* 杏吧原创官网平台 - 全局样式 */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0d0818;--bg2:#1a1025;--bg3:#241535;
  --text:#e8e0f0;--text2:#a89bb8;
  --accent:#ff6b9d;--accent2:#ff8c42;--purple:#7b3fe4;
  --border:rgba(255,107,157,.15);--radius:12px;
  --max:1200px;--header-h:64px;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;min-height:100vh}
a{color:var(--accent);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent2)}
img{max-width:100%;height:auto;display:block}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(13,8,24,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-size:1.25rem;font-weight:700;color:var(--text)}
.logo img{width:36px;height:36px;border-radius:8px}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav a{padding:8px 14px;border-radius:8px;color:var(--text2);font-size:.9rem;white-space:nowrap}
.nav a:hover,.nav a.active{color:var(--accent);background:rgba(255,107,157,.08)}
.menu-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.5rem;cursor:pointer;padding:4px}

/* Hero */
.hero{padding:60px 0 40px;background:linear-gradient(180deg,var(--bg2) 0%,var(--bg) 100%);text-align:center}
.hero h1{font-size:clamp(1.6rem,4vw,2.4rem);margin-bottom:16px;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:1.05rem;color:var(--text2);max-width:720px;margin:0 auto 28px}
.hero-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:50px;font-weight:600;font-size:.95rem;border:none;cursor:pointer;transition:transform .2s,box-shadow .2s}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 4px 20px rgba(255,107,157,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 28px rgba(255,107,157,.45);color:#fff}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}

/* Sections */
section{padding:48px 0}
.section-title{font-size:1.5rem;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.section-title::before{content:"";width:4px;height:24px;background:linear-gradient(var(--accent),var(--accent2));border-radius:2px}
.section-sub{color:var(--text2);margin-bottom:28px;font-size:.95rem}
.section-block{margin-bottom:48px}

/* Feature Grid */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.feature-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .2s,border-color .2s}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(255,107,157,.35)}
.feature-card img{width:100%;aspect-ratio:9/16;object-fit:cover;object-position:top}
.feature-card-body{padding:16px}
.feature-card h3{font-size:1rem;margin-bottom:6px;color:var(--text)}
.feature-card p{font-size:.85rem;color:var(--text2);line-height:1.6}

/* Content Layout */
.content-grid{display:grid;grid-template-columns:1fr 320px;gap:32px;align-items:start}
.main-content{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:32px}
.main-content h2{font-size:1.3rem;margin:28px 0 12px;color:var(--accent)}
.main-content h2:first-child{margin-top:0}
.main-content h3{font-size:1.1rem;margin:20px 0 10px;color:var(--text)}
.main-content p,.main-content li{font-size:.95rem;color:var(--text2);margin-bottom:14px}
.main-content ul,.main-content ol{padding-left:22px;margin-bottom:16px}
.main-content li{margin-bottom:8px}
.sidebar{position:sticky;top:calc(var(--header-h) + 20px)}
.sidebar-box{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px}
.sidebar-box h4{font-size:.95rem;margin-bottom:12px;color:var(--accent)}
.sidebar-box ul{list-style:none}
.sidebar-box li{margin-bottom:8px}
.sidebar-box a{font-size:.88rem;color:var(--text2)}
.sidebar-box a:hover{color:var(--accent)}

/* Image Showcase */
.showcase{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin:24px 0}
.showcase-item{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:var(--bg3)}
.showcase-item img{width:100%;aspect-ratio:9/16;object-fit:cover;object-position:top}
.showcase-item figcaption{padding:10px;font-size:.8rem;color:var(--text2);text-align:center}

/* Steps */
.steps{counter-reset:step;display:grid;gap:16px;margin:20px 0}
.step-item{display:flex;gap:16px;background:var(--bg3);border-radius:var(--radius);padding:18px;border:1px solid var(--border);counter-increment:step}
.step-num{flex-shrink:0;width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem}
.step-num::before{content:counter(step)}
.step-body h4{font-size:.95rem;margin-bottom:4px}
.step-body p{font-size:.85rem;color:var(--text2);margin:0}

/* FAQ */
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:10px;overflow:hidden}
.faq-q{padding:14px 18px;background:var(--bg3);font-weight:600;font-size:.92rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-a{padding:0 18px;max-height:0;overflow:hidden;transition:max-height .3s,padding .3s;font-size:.88rem;color:var(--text2)}
.faq-item.open .faq-a{max-height:300px;padding:14px 18px}

/* Table */
.info-table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.88rem}
.info-table th,.info-table td{padding:10px 14px;border:1px solid var(--border);text-align:left}
.info-table th{background:var(--bg3);color:var(--accent);font-weight:600}
.info-table td{color:var(--text2)}

/* Page (legal) */
.page-hero{padding:40px 0 24px;text-align:center;border-bottom:1px solid var(--border);margin-bottom:32px}
.page-hero h1{font-size:1.8rem;margin-bottom:8px}
.page-hero p{color:var(--text2);font-size:.9rem}
.legal-content{max-width:860px;margin:0 auto;padding:0 20px 60px}
.legal-content h2{font-size:1.15rem;margin:28px 0 10px;color:var(--accent)}
.legal-content p,.legal-content li{font-size:.92rem;color:var(--text2);margin-bottom:12px;line-height:1.8}
.legal-content ul,.legal-content ol{padding-left:22px;margin-bottom:16px}

/* Error Pages */
.error-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:calc(100vh - var(--header-h) - 120px);text-align:center;padding:40px 20px}
.error-code{font-size:6rem;font-weight:800;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1}
.error-page h1{font-size:1.5rem;margin:16px 0 8px}
.error-page p{color:var(--text2);margin-bottom:24px;max-width:480px}

/* Footer */
.site-footer{background:var(--bg2);border-top:1px solid var(--border);padding:40px 0 24px;margin-top:48px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:28px;margin-bottom:28px}
.footer-col h4{font-size:.95rem;margin-bottom:12px;color:var(--text)}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:6px}
.footer-col a{font-size:.85rem;color:var(--text2)}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid var(--border);font-size:.8rem;color:var(--text2)}

/* Breadcrumb */
.breadcrumb{padding:12px 0;font-size:.82rem;color:var(--text2)}
.breadcrumb a{color:var(--text2)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{margin:0 6px}

/* Highlight box */
.highlight-box{background:linear-gradient(135deg,rgba(123,63,228,.12),rgba(255,107,157,.08));border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin:20px 0}
.highlight-box p{margin:0;font-size:.92rem;color:var(--text2)}

/* Mobile */
@media(max-width:768px){
  .menu-toggle{display:block}
  .nav{display:none;position:absolute;top:var(--header-h);left:0;right:0;background:var(--bg2);flex-direction:column;padding:12px;border-bottom:1px solid var(--border)}
  .nav.open{display:flex}
  .nav a{padding:12px 16px}
  .content-grid{grid-template-columns:1fr}
  .sidebar{position:static}
  .hero{padding:40px 0 28px}
  .main-content{padding:20px}
  .feature-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
  .showcase{grid-template-columns:repeat(2,1fr);gap:10px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:20px}
}
@media(max-width:480px){
  .feature-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
}