:root{
  --red:#E4573D; --red-d:#C8462F; --green:#5FA05F; --ink:#2B2B26; --sub:#8A8574;
  --line:#E7E2D4; --bg:#F7F5EF; --card:#fff; --gold:#EAD9B0;
  --shadow:0 4px 18px rgba(60,50,30,.08);
}
*{box-sizing:border-box; -webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;
  background:var(--bg); color:var(--ink); font-size:15px; line-height:1.5;
  -webkit-font-smoothing:antialiased; overscroll-behavior-y:none}
img{max-width:100%}
button{font-family:inherit}
.loading{padding:80px 0; text-align:center; color:var(--sub)}

/* 通用 */
.wrap{max-width:600px; margin:0 auto; min-height:100vh; position:relative}
.card{background:var(--card); border:1.5px solid var(--line); border-radius:16px; box-shadow:var(--shadow)}
.pad{padding:16px}
.btn{display:block; width:100%; padding:14px; border:none; border-radius:14px; background:var(--red);
  color:#fff; font-size:17px; font-weight:800; letter-spacing:2px; cursor:pointer}
.btn:active{background:var(--red-d)}
.btn.off{background:#D8D2C2}
.btn-ghost{background:#fff; color:var(--red); border:1.5px solid var(--red)}
.err{color:var(--red); font-size:13px; margin:8px 0; min-height:18px}
.hidden{display:none!important}

/* 登录 */
.login-wrap{padding:38px 24px}
.login-logo{text-align:center; margin-bottom:22px}
.login-logo .ic{font-size:52px}
.login-logo h1{font-size:22px; margin:8px 0 2px}
.login-logo p{color:var(--sub); font-size:13px; margin:0}
.field{margin-bottom:14px}
.field label{display:block; font-size:13px; color:var(--sub); margin-bottom:6px}
.inp{width:100%; padding:13px 14px; border:1.5px solid var(--line); border-radius:12px; font-size:16px;
  background:#fff; outline:none}
.inp:focus{border-color:var(--red)}

/* 顶部 banner */
.banner{position:relative; height:170px; border-radius:0 0 20px 20px; overflow:hidden; background:linear-gradient(160deg,#F5A8B8,#FFE9A8)}
.banner img,.banner video{position:absolute; inset:0; width:100%; height:100%; object-fit:cover}
.banner video{opacity:0; transition:opacity .8s}
.banner video.on{opacity:1}
.banner .scrim{position:absolute; inset:0; background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.5))}
.banner .bn-tx{position:absolute; left:16px; bottom:14px; color:#fff; z-index:2; text-shadow:0 2px 8px rgba(0,0,0,.4)}
.banner .bn-name{font-size:19px; font-weight:800}
.banner .bn-day{font-size:12px; opacity:.9; margin-top:2px}

/* 问候 */
.greet{display:flex; align-items:center; gap:12px; margin:14px 16px 0}
.av{width:44px; height:44px; border-radius:50%; background:var(--red); color:#fff; display:flex;
  align-items:center; justify-content:center; font-size:20px; font-weight:800; flex-shrink:0}
.greet .g-hi{font-size:16px; font-weight:800}
.greet .g-sub{font-size:12px; color:var(--sub)}

/* 日历 */
.cal{margin:14px 16px 0; padding:14px}
.cal-hd{display:flex; justify-content:space-between; font-size:13px; margin-bottom:10px}
.cal-hd .t{font-weight:800} .cal-hd .s{color:var(--sub)}
.cal-row{display:flex; align-items:center; gap:5px; margin-bottom:5px}
.cal-wn{width:34px; font-size:11px; color:var(--sub); font-weight:700; flex-shrink:0}
.cal-cell{flex:1; height:30px; border-radius:8px; display:flex; align-items:center; justify-content:center;
  font-size:12px; background:#F0ECDF; color:#B5AF9A}
.cal-cell.done{background:var(--green); color:#fff; font-weight:700}
.cal-cell.today{background:var(--red); color:#fff; font-weight:800}

/* 打卡表单 */
.sec{margin:16px}
.note{font-size:12px; color:var(--red); background:#FFF6F3; border:1.5px dashed #F0B4A6;
  border-radius:12px; padding:9px 14px; text-align:center; margin:16px 16px 0}
.cat-t{font-size:15px; font-weight:800; margin:16px 0 10px}
.opts{display:grid; grid-template-columns:repeat(4,1fr); gap:9px}
.opt{text-align:center; padding:11px 3px; border-radius:13px; background:#fff; border:1.5px solid #E5DFCF; cursor:pointer}
.opt.on{background:var(--red); border-color:var(--red)}
.opt.on .e,.opt.on .l{color:#fff}
.opt .e{font-size:25px; display:block; line-height:1.1}
.opt .l{font-size:11px; margin-top:3px; color:#4A4840; display:block}
.durs{margin-top:10px; display:flex; flex-direction:column; gap:8px}
.dur-row{display:flex; align-items:center; gap:10px}
.dur-l{width:120px; font-size:13px; color:#5A584F}
.dur-sel{flex:1; padding:9px 12px; border-radius:11px; border:1.5px solid #E5DFCF; background:#fff; font-size:14px}
.tline{display:flex; align-items:center; gap:8px; padding:11px 13px; margin-bottom:10px;
  background:#FBF6EC; border:1.5px solid var(--gold); border-radius:13px; cursor:pointer}
.tline .tx{flex:1; font-size:13px; color:#7A6A3E}
.tline .use{font-size:12px; color:var(--red); font-weight:700; white-space:nowrap}
.tip{text-align:center; font-size:12px; color:#A8A28C; margin:10px 0}
.donetip{background:#EDF6ED; border:1.5px solid #CBE3CB; border-radius:14px; padding:14px;
  font-size:14px; color:#3E7A3E; margin:16px}
.retest{margin:0 16px; text-align:center; padding:12px; border-radius:12px; border:1.5px dashed var(--red);
  color:var(--red); font-size:13px; font-weight:700; background:#FFF6F3; cursor:pointer}
.phasenote{text-align:center; color:var(--sub); font-size:14px; padding:40px 20px}

/* 广场 */
.feed-sub{font-size:12px; color:var(--sub); margin:4px 0 12px}
.feed-need{background:#fff; border:1.5px solid var(--line); border-radius:14px; padding:20px;
  text-align:center; color:var(--sub); font-size:14px}
.feed-need a{color:var(--red); font-weight:700}
.sc-row{display:flex; align-items:center; gap:8px; margin-bottom:7px}
.sc-l{width:74px; font-size:12px}
.sc-bar{flex:1; height:8px; background:#F0ECDF; border-radius:5px; overflow:hidden}
.sc-fill{height:100%; background:var(--green)}
.sc-p{width:38px; text-align:right; font-size:11px; color:var(--sub)}
.fc{display:flex; align-items:center; gap:11px; padding:12px 14px; margin-bottom:10px}
.fc-av{width:38px; height:38px; border-radius:50%; background:#F0ECDF; display:flex; align-items:center;
  justify-content:center; font-size:16px; flex-shrink:0}
.fc-mid{flex:1; min-width:0}
.fc-n{font-size:14px; font-weight:700}
.fc-me{color:var(--red)}
.fc-s{font-size:12px; color:var(--sub); overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
.fc-like{display:flex; flex-direction:column; align-items:center; cursor:pointer; padding:0 4px}
.fc-like.off{opacity:.4; pointer-events:none}
.fc-heart{font-size:20px}
.fc-cnt{font-size:11px; color:var(--sub)}
.more{text-align:center; padding:16px; color:var(--red); font-weight:700; font-size:14px; cursor:pointer}
.end{text-align:center; padding:16px; color:var(--sub); font-size:12px}

/* 我的 */
.me-card{display:flex; align-items:center; gap:14px; padding:16px; margin-bottom:14px}
.me-n{font-size:18px; font-weight:800}
.me-c{font-size:13px; color:var(--sub)}
.me-out{margin-left:auto; color:var(--red); font-size:13px; cursor:pointer}
.stats{display:flex; gap:10px; margin-bottom:14px}
.stat{flex:1; background:#fff; border:1.5px solid var(--line); border-radius:14px; padding:14px 0; text-align:center}
.stat .v{font-size:20px; font-weight:800; color:var(--red)}
.stat .l{font-size:11px; color:var(--sub); margin-top:2px}
.locker{padding:16px}
.lk-hd{display:flex; justify-content:space-between; font-size:14px; margin-bottom:8px}
.lk-hd .t{font-weight:800} .lk-hd .s{color:var(--sub); font-size:12px}
.lk-bar{height:8px; background:#F0ECDF; border-radius:5px; overflow:hidden; margin-bottom:12px}
.lk-fill{height:100%; background:var(--green)}
.lk-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:9px}
.lk-cell{border-radius:12px; overflow:hidden; aspect-ratio:3/4; position:relative; background:#F0ECDF}
.lk-cell img{width:100%; height:100%; object-fit:cover}
.lk-cap{position:absolute; left:0; right:0; bottom:0; font-size:10px; text-align:center; padding:3px 0;
  background:rgba(0,0,0,.35); color:#fff}
.lk-lock{width:100%; height:100%; display:flex; flex-direction:column; align-items:center;
  justify-content:center; color:#B5AF9A; font-size:22px}
.lk-lock .t{font-size:10px; margin-top:2px}

/* 底部 tab */
.tabbar{position:fixed; left:0; right:0; bottom:0; max-width:600px; margin:0 auto; display:flex;
  background:#FFFDF8; border-top:1.5px solid var(--line); padding-bottom:env(safe-area-inset-bottom); z-index:50}
.tb{flex:1; text-align:center; padding:8px 0 6px; color:var(--sub); cursor:pointer}
.tb.on{color:var(--red)}
.tb .i{font-size:22px; display:block}
.tb .l{font-size:11px}
.body{padding-bottom:76px}

/* 弹层 */
.mask{position:fixed; inset:0; background:rgba(30,28,20,.5); display:flex; align-items:center;
  justify-content:center; z-index:100; padding:24px}
.pop{width:100%; max-width:360px; background:#fff; border-radius:20px; overflow:hidden; text-align:center}
.pop-art{height:150px; position:relative; background:#F5A8B8}
.pop-art img{width:100%; height:100%; object-fit:cover}
.pop-in{padding:20px}
.pop-emo{font-size:44px}
.pop-tx{font-size:16px; font-weight:800; margin-top:8px; white-space:pre-line; line-height:1.6}
.pop-sub{font-size:13px; color:var(--sub); margin-top:6px}
.toast{position:fixed; left:50%; bottom:90px; transform:translateX(-50%); background:rgba(40,36,28,.92);
  color:#fff; padding:11px 18px; border-radius:22px; font-size:14px; z-index:200; max-width:80%; text-align:center}

/* 全屏重看今日一景 */
.fullview{position:fixed; inset:0; z-index:300; background:#000; cursor:pointer}
.fullview img,.fullview video{position:absolute; inset:0; width:100%; height:100%; object-fit:cover}
.fullview video{opacity:0; transition:opacity .6s}
.fullview video.on{opacity:1}
.fv-hint{position:absolute; left:0; right:0; bottom:calc(24px + env(safe-area-inset-bottom)); text-align:center;
  color:rgba(255,255,255,.85); font-size:13px; z-index:2; text-shadow:0 1px 6px rgba(0,0,0,.6)}

/* 学习时长未选：醒目提示 */
.dur-sel.need{border-color:var(--red); color:var(--red); font-weight:700; background:#FFF6F3}
.tip.miss{color:var(--red); font-weight:700}
.tip.ok{color:var(--green); font-weight:700}

/* 测试账号：开放打卡按钮 */
.test-open{display:inline-block; margin-top:16px; padding:10px 22px; border-radius:22px;
  background:#2E86AB; color:#fff; font-size:14px; font-weight:700; cursor:pointer}

/* ===== 精美入口 ===== */
.entry{min-height:100vh; max-width:600px; margin:0 auto; background:var(--bg)}
.entry-hero{position:relative; height:300px; overflow:hidden; border-radius:0 0 28px 28px}
.entry-bg{position:absolute; inset:0; width:100%; height:100%; object-fit:cover}
.entry-scrim{position:absolute; inset:0; background:linear-gradient(180deg, rgba(0,0,0,.15), rgba(228,87,61,.15) 60%, rgba(247,245,239,.95))}
.entry-hero-tx{position:absolute; left:0; right:0; bottom:26px; text-align:center; color:#fff; text-shadow:0 2px 12px rgba(0,0,0,.35)}
.entry-ic{font-size:56px; line-height:1}
.entry-t{font-size:34px; font-weight:900; letter-spacing:4px; margin-top:4px}
.entry-sub{font-size:14px; margin-top:6px; opacity:.95}
.entry-body{padding:22px 20px 40px}
.entry-q{font-size:15px; font-weight:800; color:var(--ink); margin:6px 4px 16px}
.school-card{display:flex; align-items:center; gap:14px; background:#fff; border:1.5px solid var(--line);
  border-radius:18px; padding:18px 18px; margin-bottom:14px; box-shadow:var(--shadow); cursor:pointer; transition:transform .12s}
.school-card:active{transform:scale(.98)}
.sc-ic{width:48px; height:48px; border-radius:14px; background:linear-gradient(135deg,#FCE8D8,#F7D6C0);
  display:flex; align-items:center; justify-content:center; font-size:26px; flex-shrink:0}
.sc-tx{flex:1; min-width:0}
.sc-n{font-size:17px; font-weight:800}
.sc-d{font-size:12px; color:var(--sub); margin-top:2px}
.sc-ar{font-size:26px; color:var(--sub)}
.entry-foot{text-align:center; font-size:12px; color:var(--sub); margin-top:20px}

/* 其他学校 注册/登录 切换 + 返回 */
.other-tabs{display:flex; gap:8px; margin-bottom:16px}
.ot{flex:1; text-align:center; padding:11px; border-radius:12px; background:#F0ECDF; color:var(--sub); font-size:14px; font-weight:700; cursor:pointer}
.ot.on{background:var(--red); color:#fff}
.back{text-align:center; margin-top:18px; color:var(--sub); font-size:14px; cursor:pointer}