:root{
  --bg:#f4f7f9; --card:#ffffff; --ink:#1f2d3d; --sub:#8895a7; --line:#e6ecf1;
  --main:#2f9e8f; --main-d:#278a7d; --warn:#c0392b; --soft:#e8f6f1;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--ink);font-size:15px;line-height:1.6}
.wrap{max-width:560px;margin:0 auto;padding:18px}
.hidden{display:none!important}
h1{font-size:22px;margin:0}
h2.sec{font-size:17px;margin:18px 0 12px}

/* 品牌 / 登录 */
.brand{text-align:center;margin:28px 0 18px}
.logo{font-size:46px}
.tag{color:var(--sub);font-size:13px;margin:6px 0 0}
.tabs{display:flex;gap:8px;margin:6px 0}
.tab{flex:1;padding:11px;border:1px solid var(--line);background:#fff;border-radius:10px;font-size:15px;color:var(--sub);cursor:pointer}
.tab.active{background:var(--main);color:#fff;border-color:var(--main)}
.form{display:flex;flex-direction:column;gap:12px;margin-top:6px}
.form input{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;background:#fff}
.form input:focus{outline:none;border-color:var(--main)}
.form button,.primary{width:100%;padding:14px;border:0;border-radius:11px;background:var(--main);color:#fff;font-size:16px;cursor:pointer;margin-top:4px}
.primary:active{background:var(--main-d)}
.primary.ghost{background:#fff;color:var(--main);border:1px solid var(--main);text-align:center;text-decoration:none;display:block;margin-top:14px}
.alert{background:#fdecec;color:var(--warn);padding:11px 13px;border-radius:9px;font-size:13px;margin:10px 0}
.legal{color:var(--sub);font-size:12px;text-align:center;margin-top:18px}

/* 顶栏 */
.topbar{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;padding:12px 16px}
.tb-title{font-weight:700}
.tb-nav{display:flex;gap:16px;font-size:14px}
.tb-nav a{color:var(--sub);text-decoration:none}
.tb-nav a.on{color:var(--main);font-weight:700}

/* 上传 */
.uploader{margin-top:8px}
.wx-tip{background:#fff7e6;border:1px solid #ffd591;color:#ad6800;padding:10px 12px;border-radius:10px;font-size:13px;margin-bottom:12px;line-height:1.5}
.wx-tip b{color:#d46b08}
.drop{display:block;border:2px dashed var(--line);border-radius:16px;background:#fff;padding:34px 16px;text-align:center;cursor:pointer}
.drop-inner .cam{font-size:40px}
.drop-txt{font-size:16px;margin-top:8px;font-weight:600}
.drop-sub{font-size:12px;color:var(--sub);margin-top:6px}
.preview{width:100%;border-radius:14px;margin-top:14px;display:block}
.loading{text-align:center;color:var(--main);padding:18px;font-size:14px}
.result{margin-top:10px}

/* 报告卡片 */
.big-img{width:100%;border-radius:14px;margin-bottom:14px;display:block;background:#fff}
.card-box{background:var(--card);border-radius:14px;padding:6px 16px;box-shadow:0 4px 18px rgba(0,0,0,.05)}
.card-item{padding:13px 0;border-bottom:1px solid var(--line)}
.card-item:last-child{border-bottom:0}
.ci-label{font-size:13px;color:var(--main);font-weight:700;margin-bottom:4px}
.ci-value{font-size:15px}
.advice{margin:6px 0 0;padding-left:20px}
.advice li{margin:4px 0}
.disclaimer{font-size:12px;color:var(--warn);background:#fdecec;padding:10px 12px;border-radius:10px;margin:12px 0 6px}

/* 历史列表 */
.report-link{display:flex;gap:12px;background:#fff;border-radius:13px;padding:12px;margin-bottom:12px;text-decoration:none;color:inherit;align-items:center}
.thumb{width:64px;height:64px;object-fit:cover;border-radius:10px;flex:none;background:#eee}
.rl-body{flex:1;min-width:0}
.rl-time{font-size:12px;color:var(--sub)}
.rl-sum{font-weight:600;font-size:15px;margin:2px 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rl-con{font-size:13px;color:var(--sub)}
.empty{text-align:center;color:var(--sub);padding:40px 0}
.report-head{display:flex;gap:14px;align-items:flex-start;margin-bottom:14px}
.rh-meta{font-size:13px;color:var(--sub);display:flex;flex-direction:column;gap:10px}
.back{color:var(--main);text-decoration:none}

/* 拍摄引导卡片 */
.guide{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin-top:8px}
.guide-head{font-weight:700;font-size:15px;margin-bottom:8px}
.guide-list{margin:0;padding-left:18px;font-size:13px;color:#475569}
.guide-list li{margin:4px 0}
.link-btn{background:none;border:0;color:var(--main);font-size:13px;padding:8px 0 0;cursor:pointer}

/* 拍摄要点弹窗 */
.modal{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center}
.modal-mask{position:absolute;inset:0;background:rgba(0,0,0,.45)}
.modal-box{position:relative;background:#fff;width:90%;max-width:440px;max-height:82vh;overflow:auto;
  border-radius:16px;padding:20px;box-shadow:0 12px 40px rgba(0,0,0,.25)}
.modal-title{font-size:17px;font-weight:700;margin-bottom:10px}
.modal-body p{font-size:14px;margin:0 0 12px;color:#33424f}
.modal-body b{color:var(--main)}
.modal-box .primary{margin-top:6px}

/* 主页面直接打印时隐藏无关元素（导出 PDF 主路径仍是 report_pdf.php） */
@media print{
  .topbar,.uploader,.result,.guide{display:none!important}
}