/* ===== App 下载页 · 精致浅色风 (Style A) ===== */
:root{
  --bg:#f2f2f7; --card:#ffffff; --text:#1c1c1e; --text-2:#8a8a8e; --text-3:#b0b0b5;
  --sep:rgba(60,60,67,.12); --accent:#007aff; --accent-soft:#eaf2ff;
  --pill:#e9e9ee; --pill-text:#007aff; --star:#ff9f0a; --shadow:0 1px 3px rgba(0,0,0,.06),0 8px 30px rgba(0,0,0,.05);
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#000000; --card:#1c1c1e; --text:#f5f5f7; --text-2:#98989f; --text-3:#6c6c70;
    --sep:rgba(255,255,255,.12); --accent:#0a84ff; --accent-soft:#16263d;
    --pill:#2c2c2e; --pill-text:#0a84ff; --star:#ff9f0a; --shadow:none;
  }
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue","PingFang SC","Hiragino Sans","Microsoft YaHei",sans-serif;
  font-size:16px; line-height:1.5; -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{display:block;max-width:100%}
a{color:var(--accent);text-decoration:none}
h1,h2,h3{margin:0;font-weight:600}

.page{max-width:480px;margin:0 auto;padding:env(safe-area-inset-top) 16px 0;min-height:100vh}

/* 顶栏 + 语言切换 */
.topbar{display:flex;justify-content:flex-end;padding:14px 0 4px}
.lang-switch{position:relative}
.lang-btn{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 12px;border:none;
  background:var(--card);color:var(--text);border-radius:999px;font-size:14px;cursor:pointer;box-shadow:var(--shadow)}
.lang-btn .ic{width:18px;height:18px;color:var(--text-2)}
.lang-btn .chev{width:15px;height:15px;transition:transform .2s}
.lang-btn[aria-expanded="true"] .chev{transform:rotate(180deg)}
.lang-menu{position:absolute;inset-inline-end:0;top:42px;min-width:190px;max-height:60vh;overflow:auto;
  background:var(--card);border-radius:14px;box-shadow:0 10px 40px rgba(0,0,0,.18);padding:6px;
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:.18s;z-index:30}
.lang-menu.open{opacity:1;visibility:visible;transform:translateY(0)}
.lang-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;
  border-radius:10px;color:var(--text);font-size:15px}
.lang-item .ic{width:18px;height:18px;color:var(--accent)}
.lang-item:hover{background:var(--bg)}
.lang-item.is-active{color:var(--accent);font-weight:500}

/* 卡片 */
.card{background:var(--card);border-radius:22px;padding:20px;box-shadow:var(--shadow);margin-top:6px}

/* App 头部 */
.app-head{display:flex;gap:16px}
.app-icon{flex:0 0 96px;width:96px;height:96px;border-radius:22px;overflow:hidden;box-shadow:0 0 0 .5px var(--sep) inset}
.app-icon img{width:100%;height:100%;object-fit:cover}
.app-meta{flex:1;min-width:0;display:flex;flex-direction:column}
.app-name{font-size:22px;line-height:1.2;letter-spacing:-.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.app-dev{margin:4px 0 0;font-size:13px;color:var(--text-2);display:flex;align-items:center;gap:4px}
.app-dev .verified{width:15px;height:15px;color:var(--accent)}
.app-actions{margin-top:auto;display:flex;align-items:center;gap:12px;padding-top:14px}
.btn-get{display:inline-flex;align-items:center;justify-content:center;min-width:84px;height:32px;padding:0 22px;
  background:var(--pill);color:var(--pill-text);border-radius:999px;font-size:15px;font-weight:700;letter-spacing:.4px}
.btn-get:active{opacity:.6}
.btn-get.is-loading{opacity:.5;pointer-events:none}
.price-free{font-size:12px;color:var(--text-3)}
.btn-help{margin-inline-start:auto;width:30px;height:30px;border:none;background:transparent;color:var(--text-2);
  border-radius:50%;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.btn-help .ic{width:22px;height:22px}
.btn-help:active{background:var(--bg)}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);margin-top:20px;padding:14px 0;
  border-top:.5px solid var(--sep);border-bottom:.5px solid var(--sep)}
.stat{text-align:center;border-inline-end:.5px solid var(--sep)}
.stat:last-child{border-inline-end:none}
.stat-label{display:block;font-size:11px;color:var(--text-2);text-transform:uppercase;letter-spacing:.4px}
.stat-value{display:inline-flex;align-items:center;gap:2px;margin-top:5px;font-size:16px;font-weight:600}
.stat-value .star{width:13px;height:13px;color:var(--star)}

/* 通用分区 */
.section{padding:18px 0;border-bottom:.5px solid var(--sep)}
.section:last-child{border-bottom:none}
.section-title{font-size:20px;letter-spacing:-.2px}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.muted{color:var(--text-2);font-size:13px}

/* 截图 */
.shots{display:flex;gap:12px;margin-top:12px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.shots::-webkit-scrollbar{display:none}
.shot{flex:0 0 132px;height:184px;border-radius:16px;overflow:hidden;box-shadow:0 0 0 .5px var(--sep) inset}
.shot img{width:100%;height:100%;object-fit:cover}
.shot-ph{display:flex;align-items:center;justify-content:center;background:var(--bg);color:var(--text-3)}
.shot-ph svg{width:34px;height:34px}

/* 评分 */
.reviews{display:flex;gap:22px;margin-top:10px;align-items:center}
.reviews-score{text-align:center;flex:0 0 auto}
.reviews-score .big{font-size:54px;font-weight:700;line-height:1;letter-spacing:-1px}
.reviews-bars{flex:1;min-width:0}
.bar-row{display:flex;align-items:center;gap:8px;margin-bottom:3px}
.bar-stars{flex:0 0 64px;text-align:end;color:var(--text-3);font-size:11px;letter-spacing:-1px}
.bar{flex:1;height:5px;border-radius:3px;background:var(--sep);overflow:hidden}
.bar>span{display:block;height:100%;background:var(--text-2);border-radius:3px}
.reviews-count{margin-top:6px;text-align:end;color:var(--text-2);font-size:13px}

/* 新功能 */
.whatsnew{margin:10px 0 0;color:var(--text);font-size:15px;line-height:1.6}

/* 信息列表 */
.info-list{margin:8px 0 0}
.info-list>div{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:.5px solid var(--sep);font-size:14px}
.info-list>div:last-child{border-bottom:none}
.info-list dt{color:var(--text-2)}
.info-list dd{margin:0;text-align:end;color:var(--text)}

/* 免责声明 */
.disclaimer{padding:18px 4px 30px;color:var(--text-3)}
.disclaimer strong{display:block;font-size:12px;color:var(--text-2);margin-bottom:4px}
.disclaimer p{margin:0;font-size:12px;line-height:1.6}

/* 弹窗 */
.modal,.overlay-inapp,.overlay-desktop{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center}
.modal[hidden],.overlay-inapp[hidden],.overlay-desktop[hidden]{display:none}
.modal-mask{position:absolute;inset:0;background:rgba(0,0,0,.45)}
.modal-card{position:relative;width:calc(100% - 40px);max-width:380px;background:var(--card);border-radius:20px;padding:24px 22px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal-close{position:absolute;inset-inline-end:14px;top:12px;width:30px;height:30px;border:none;background:var(--bg);color:var(--text-2);border-radius:50%;font-size:20px;line-height:1;cursor:pointer}
.modal-title{font-size:19px}
.modal-intro{margin:6px 0 14px;color:var(--text-2);font-size:14px}
.steps{margin:0;padding:0;list-style:none;counter-reset:s}
.steps li{counter-increment:s;position:relative;padding:9px 0 9px 38px;font-size:15px;line-height:1.5;border-top:.5px solid var(--sep)}
.steps li:first-child{border-top:none}
.steps li::before{content:counter(s);position:absolute;inset-inline-start:0;top:8px;width:24px;height:24px;
  background:var(--accent);color:#fff;border-radius:50%;font-size:13px;font-weight:600;display:flex;align-items:center;justify-content:center}

/* 内置浏览器引导 */
.overlay-inapp{background:rgba(0,0,0,.82);flex-direction:column;align-items:flex-end;justify-content:flex-start;padding:18px 22px;color:#fff}
.inapp-arrow{color:#fff;animation:bob 1s ease-in-out infinite}
.inapp-arrow svg{width:54px;height:54px}
.inapp-box{align-self:center;text-align:center;margin-top:8vh;max-width:300px}
.inapp-box h3{font-size:19px}
.inapp-box p{margin:10px 0 0;font-size:15px;line-height:1.6;opacity:.85}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* 桌面端提示 */
.overlay-desktop{background:rgba(0,0,0,.5)}
.desktop-box{background:var(--card);border-radius:20px;padding:30px 26px;text-align:center;max-width:320px;width:calc(100% - 48px);box-shadow:0 20px 60px rgba(0,0,0,.3)}
.ic-phone{width:46px;height:46px;color:var(--accent);margin:0 auto 12px}
.desktop-box p{margin:0;font-size:15px;line-height:1.6}
.desktop-url{margin-top:12px;padding:8px 12px;background:var(--bg);border-radius:10px;font-size:12px;color:var(--text-2);word-break:break-all}