/* 入口页样式 */
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif; background: #fafbfc; color: #1a1a1a; }
a { color: inherit; text-decoration: none; }

/* Hero */
.hero { position: relative; height: 360px; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.hero-bg { position: absolute; inset: 0; background: linear-gradient(135deg, #ff9d4d 0%, #ff7a1a 50%, #e5670a 100%); }
.hero-bg::before { content:''; position: absolute; inset: 0; background: radial-gradient(circle at 20% 20%, rgba(255,255,255,.2), transparent 40%), radial-gradient(circle at 80% 80%, rgba(0,0,0,.2), transparent 50%); }
.hero-content { position: relative; text-align: center; color: #fff; }
.hero-logo { font-size: 80px; }
.hero-content h1 { font-size: 56px; margin: 8px 0 4px; letter-spacing: 4px; }
.hero-sub { font-size: 16px; opacity: .9; margin: 0; }
.hero-tag { display: inline-block; margin-top: 16px; padding: 6px 16px; background: rgba(255,255,255,.2); border-radius: 20px; font-size: 12px; letter-spacing: 1px; }

/* Container */
.container { max-width: 1200px; margin: 0 auto; padding: 60px 24px; }
section { margin-bottom: 60px; }
h2 { font-size: 32px; text-align: center; margin: 0 0 12px; }
.intro-sub { text-align: center; color: #888; max-width: 600px; margin: 0 auto 40px; }

/* Features */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature { background: #fff; border-radius: 14px; padding: 24px; text-align: center; box-shadow: 0 4px 12px rgba(0,0,0,.04); }
.f-ico { font-size: 40px; }
.f-title { font-size: 18px; font-weight: 800; margin-top: 8px; }
.f-desc { font-size: 13px; color: #888; margin-top: 4px; }

/* App Grid */
.app-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.app-card { background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 16px rgba(0,0,0,.06); transition: all .25s; }
.app-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,.12); }
.ac-banner { height: 200px; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.ac-phone { width: 120px; height: 200px; background: #000; border-radius: 16px; padding: 4px; }
.mini-app { width: 100%; height: 100%; background: #ff7a1a; border-radius: 12px; display: flex; flex-direction: column; align-items: center; justify-content: space-around; padding: 12px 6px; }
.mini-brand { color: #000; font-size: 10px; font-weight: 800; }
.mini-bear { font-size: 50px; }
.mini-cta { background: #fff; color: #000; font-size: 10px; font-weight: 700; padding: 4px 8px; border-radius: 10px; }
.ac-dashboard { width: 80%; display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.mini-kpi { background: rgba(255,255,255,.1); padding: 8px; border-radius: 6px; color: #fff; }
.mini-kpi b { display: block; font-size: 14px; }
.mini-kpi span { font-size: 9px; opacity: .7; }
.mini-chart { grid-column: span 3; background: rgba(255,255,255,.1); padding: 8px; border-radius: 6px; text-align: center; color: #fff; font-size: 18px; }
.ac-pos { width: 240px; height: 160px; background: rgba(255,255,255,.15); border-radius: 10px; padding: 12px; display: flex; flex-direction: column; justify-content: space-between; }
.mini-pos-bg { color: #fff; height: 100%; display: flex; flex-direction: column; justify-content: space-between; }
.mp-goods { font-size: 24px; }
.mp-cart { font-size: 11px; opacity: .9; }
.mp-pay { background: #fff; color: #ff7a1a; padding: 6px 12px; border-radius: 6px; font-size: 12px; font-weight: 700; text-align: center; }
.ac-body { padding: 24px; }
.ac-tag { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 600; }
.tag-app { background: #fff3e6; color: #ff7a1a; }
.tag-admin { background: #e8e9ed; color: #1e2129; }
.tag-pos { background: #ffe5d6; color: #e5670a; }
.app-card h3 { font-size: 18px; margin: 12px 0 8px; }
.app-card > .ac-body > p { font-size: 13px; color: #666; line-height: 1.6; margin: 0 0 14px; }
.ac-list { list-style: none; padding: 0; margin: 0 0 16px; font-size: 12px; color: #555; line-height: 1.9; }
.ac-cta { color: #ff7a1a; font-weight: 700; font-size: 13px; }

/* Docs */
.doc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 40px; }
.doc-card { background: #fff; border-radius: 12px; padding: 20px; box-shadow: 0 2px 8px rgba(0,0,0,.04); cursor: pointer; transition: all .2s; }
.doc-card:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0,0,0,.08); }
.doc-ico { font-size: 28px; }
.doc-title { font-size: 14px; font-weight: 700; margin-top: 8px; }
.doc-desc { font-size: 12px; color: #888; margin-top: 4px; }

/* Footer */
.footer { text-align: center; color: #888; font-size: 12px; padding: 24px 0; border-top: 1px solid #ebeef3; }
.footer div { padding: 4px 0; }