*{box-sizing:border-box}
html,body{margin:0;padding:0;width:100%;overflow-x:hidden}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg-color,#f5f6f8);color:#1f2937}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}

.mode-desktop{background:#f5f6f8}
.desktop-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px 16px}
.desktop-card{width:100%;max-width:420px;background:#fff;border-radius:28px;padding:28px 24px;box-shadow:0 18px 50px rgba(15,23,42,.08);text-align:center}
.desktop-logo{width:108px;height:108px;margin:0 auto 16px;border-radius:24px;background:#fff;border:1px solid #e8edf5;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:10px}
.desktop-logo img{width:100%;height:100%;object-fit:contain}
.desktop-app-name{font-size:22px;font-weight:800;color:#202124;margin-bottom:18px}
.desktop-qr-box{width:260px;max-width:100%;margin:0 auto;border-radius:18px;background:#fff;padding:10px;border:1px solid #eef2f7}
.desktop-qr-box img{width:100%;height:auto}
.desktop-tip{font-size:17px;font-weight:800;color:#111827;margin-top:18px}
.desktop-url{margin-top:10px;font-size:13px;line-height:1.7;color:#94a3b8;word-break:break-all}
.desktop-sub{margin-top:8px;font-size:14px;color:#6b7280}
.desktop-ops{margin-top:18px;padding-top:18px;border-top:1px solid #eef2f7;font-size:13px;color:#94a3b8}

.mode-mobile{background:var(--bg-color,#f5f6f8)}
.install-page{min-height:100vh;padding:16px 12px 28px}
.phone-shell{width:100%;max-width:430px;margin:0 auto}
.app-head-card,.content-card{background:#fff;border-radius:26px;box-shadow:0 10px 28px rgba(15,23,42,.05);padding:22px 18px;margin-bottom:16px}
.app-head-row{display:flex;align-items:center;gap:16px}
.app-icon-wrap{flex:0 0 84px}
.app-icon{width:84px;height:84px;border-radius:22px;background:#fff;border:1px solid #eceff4;object-fit:contain;padding:8px}
.app-icon-fallback{display:flex;align-items:center;justify-content:center;font-size:34px;font-weight:800;color:var(--theme-color,#1677ff)}
.app-head-main{flex:1;min-width:0}
.app-title{margin:0;font-size:24px;line-height:1.2;font-weight:800;color:#202124;word-break:break-word}
.stars-line{display:flex;align-items:center;gap:8px;margin-top:8px;flex-wrap:wrap}
.stars{font-size:22px;line-height:1;color:#ffd646;letter-spacing:1px}
.stars-score{font-size:16px;font-weight:800;color:#333}
.install-btn{display:flex;align-items:center;justify-content:center;margin-top:20px;width:100%;height:52px;border-radius:26px;background:var(--theme-color,#1677ff);color:#fff;font-size:19px;font-weight:800;box-shadow:0 10px 22px rgba(22,119,255,.22)}
.stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:18px}
.stat-item{background:#f7faff;border-radius:18px;padding:14px 10px;text-align:center;border:1px solid #ebf1f7}
.stat-icon{width:34px;height:34px;border-radius:50%;margin:0 auto 8px;background:#d8eaff;color:#2a7cf7;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700}
.stat-value{font-size:15px;font-weight:800;color:#202124;word-break:break-word}
.stat-label{font-size:12px;color:#7a8491;margin-top:5px}
.auth-line{margin-top:18px;font-size:17px;line-height:1.6;color:#202124;font-weight:700;word-break:break-word}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.tag-pill{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 18px;border-radius:999px;background:#dcedff;color:#3b82f6;font-size:14px;font-weight:700}
.section-title{margin:0 0 14px;font-size:19px;font-weight:800;color:#1f2937}
.rating-panel{display:flex;gap:16px;align-items:flex-start}
.rating-score-box{flex:0 0 100px}
.big-score{font-size:48px;line-height:1;font-weight:800;color:#111827}
.score-stars{margin-top:8px;color:#ffd646;font-size:24px;letter-spacing:2px}
.score-sub{margin-top:6px;font-size:14px;color:#3b82f6;font-weight:700}
.rating-bars{flex:1;padding-top:6px}
.bar-row{display:flex;align-items:center;gap:8px;margin-bottom:8px;color:#7c7f86;font-size:13px}
.bar-row span{width:42px;flex:0 0 42px}
.bar-row i{display:block;position:relative;flex:1;height:6px;background:#e5e7eb;border-radius:999px;overflow:hidden}
.bar-row em{display:block;height:100%;border-radius:999px;background:#5ea9f6}
.review-card{background:#fafafa;border:1px solid #f0f0f0;border-radius:20px;padding:18px}
.review-head{display:flex;align-items:center;gap:12px}
.review-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(180deg,#d9e8ff,#f2e7ff);position:relative;overflow:hidden}
.review-avatar:before{content:"";position:absolute;left:50%;top:10px;transform:translateX(-50%);width:18px;height:18px;border-radius:50%;background:#3b82f6}
.review-avatar:after{content:"";position:absolute;left:50%;bottom:8px;transform:translateX(-50%);width:28px;height:16px;border-radius:16px 16px 10px 10px;background:#3b82f6}
.review-title{font-size:16px;font-weight:800;color:#111827;line-height:1.5}
.review-user{font-size:13px;color:#60a5fa;margin-top:2px}
.review-body{margin-top:16px;font-size:15px;line-height:1.85;color:#374151;word-break:break-word}
.simple-text{font-size:15px;line-height:1.85;color:#4b5563;word-break:break-word}
.mobile-screens{display:flex;gap:12px;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.mobile-screens::-webkit-scrollbar{display:none}
.mobile-screen-item{flex:0 0 72%;max-width:280px;background:#f5f7fb;border:1px solid #ebeff5;border-radius:20px;padding:8px;overflow:hidden}
.mobile-screen-item img{width:100%;height:280px;object-fit:cover;border-radius:14px}
.logo-placeholder{font-size:42px;font-weight:800;color:var(--theme-color,#1677ff)}
.devtools-mask{display:none;position:fixed;inset:0;background:rgba(245,245,247,.98);z-index:99999;padding:24px;align-items:center;justify-content:center}
.devtools-mask.show{display:flex}
.devtools-card{max-width:360px;background:#fff;border-radius:24px;padding:26px 22px;box-shadow:0 12px 40px rgba(15,23,42,.08);text-align:center}
.devtools-title{font-size:22px;font-weight:800;color:#111827}.devtools-text{margin-top:10px;font-size:15px;line-height:1.8;color:#6b7280}
.devtools-open .phone-shell{filter:blur(8px);pointer-events:none;user-select:none}

@media (max-width:640px){
  .install-page{padding:12px 10px 24px}
  .app-head-card,.content-card{padding:20px 16px;border-radius:22px;margin-bottom:14px}
  .app-icon-wrap{flex-basis:76px}.app-icon{width:76px;height:76px;border-radius:18px}
  .app-title{font-size:22px}.stars{font-size:20px}.stars-score{font-size:15px}
  .install-btn{height:50px;font-size:18px}.stat-row{gap:8px}.stat-item{padding:12px 8px}.stat-value{font-size:14px}
  .auth-line{font-size:16px}.tag-pill{min-height:36px;padding:0 16px;font-size:13px}.section-title{font-size:18px}
  .rating-panel{flex-direction:column;gap:12px}.rating-score-box{flex:none}.big-score{font-size:42px}.score-stars{font-size:22px}
  .mobile-screen-item{flex-basis:78%;max-width:78%}.mobile-screen-item img{height:250px}
}