:root {
  --bg: #12162e;
  --bg2: #1d1b45;
  --card: rgba(36, 34, 78, 0.72);
  --line: rgba(255, 255, 255, 0.12);
  --text: #f2f4ff;
  --muted: #aab0d8;
  --cyan: #37e6ff;
  --pink: #ff7ab8;
  --violet: #8d6bff;
  --ok: #63f0a5;
  --warn: #ffcf6b;
  --radius: 18px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(141, 107, 255, .32), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(55, 230, 255, .18), transparent 55%),
    linear-gradient(160deg, var(--bg), var(--bg2));
  overflow-x: hidden;
}
.aurora { position: fixed; inset: 0; pointer-events: none; opacity: .35;
  background: radial-gradient(400px 200px at 20% 20%, rgba(255,122,184,.12), transparent 70%); }
.topbar { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; padding: 14px 24px;
  backdrop-filter: blur(14px); background: rgba(18,22,46,.55); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.brand { font-weight: 800; letter-spacing: .5px; font-size: 18px; color: var(--cyan); }
.brand span { color: var(--pink); font-size: 13px; margin-left: 6px; }
.nav { display: flex; gap: 6px; flex-wrap: wrap; }
.nav-btn, .btn { cursor: pointer; border: 1px solid var(--line); background: rgba(255,255,255,.06);
  color: var(--text); padding: 7px 14px; border-radius: 999px; font-size: 14px; transition: .2s; }
.nav-btn:hover, .btn:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-1px); }
.nav-btn.active { background: linear-gradient(90deg, var(--violet), var(--pink)); border-color: transparent; color: #fff; }
.btn.ghost { background: transparent; }
.status { margin-left: auto; font-size: 12px; color: var(--muted); }
.status.ok { color: var(--ok); }
main { max-width: 1180px; margin: 26px auto; padding: 0 20px; }
.view { display: none; }
.view.active { display: block; animation: fade .35s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
h1 { font-size: 30px; margin: 6px 0; background: linear-gradient(90deg, var(--cyan), var(--pink));
  -webkit-background-clip: text; background-clip: text; color: transparent; }
h2 { font-size: 17px; margin: 0 0 12px; color: #dfe4ff; }
.sub, .muted { color: var(--muted); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
input, select, textarea { background: rgba(10, 12, 30, .65); color: var(--text); border: 1px solid var(--line);
  border-radius: 10px; padding: 8px 10px; font-size: 14px; outline: none; }
input:focus, select:focus { border-color: var(--cyan); }
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin: 18px 0; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; backdrop-filter: blur(10px); }
.kpi b { display: block; font-size: 26px; color: var(--cyan); margin-top: 6px; }
.kpi small { color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; margin: 14px 0; backdrop-filter: blur(10px); }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(440px, 1fr)); gap: 16px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
tr:hover td { background: rgba(255,255,255,.04); }
.chart { height: 320px; width: 100%; }
.table-card { overflow-x: auto; }
.pager, .row { display: flex; gap: 8px; align-items: center; margin-top: 12px; flex-wrap: wrap; }
.tag { display: inline-block; background: rgba(55,230,255,.12); color: var(--cyan); border-radius: 999px; padding: 2px 8px; margin: 2px; font-size: 12px; }
.form-card label { display: block; margin-bottom: 10px; font-size: 13px; color: var(--muted); }
.form-card select, .form-card input { width: 100%; }
.result-card { min-height: 320px; }
.big-prob { font-size: 42px; color: var(--pink); font-weight: 800; }
.modal { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(6,8,20,.7); z-index: 50; }
.modal[hidden] { display: none; }
.modal-box { width: min(560px, 92vw); }
.daily { font-size: 15px; line-height: 1.8; }
.gem-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.gem { background: rgba(255,255,255,.05); border-radius: 12px; padding: 10px; }
.code { white-space: pre-wrap; font-size: 12px; color: #b9d7ff; max-height: 420px; overflow: auto; }
footer { text-align: center; color: var(--muted); padding: 22px; font-size: 12px; }
.watch-actions button { margin: 2px; font-size: 12px; }
@media (max-width: 760px) { .grid-2 { grid-template-columns: 1fr; } main { padding: 0 12px; } }

/* ============ v2 polish: base & home ============ */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: rgba(10, 12, 30, .55); }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, rgba(55,230,255,.55), rgba(141,107,255,.55)); border-radius: 999px; border: 2px solid rgba(10,12,30,.7); }
::selection { background: rgba(55, 230, 255, .3); color: #fff; }
button { font-family: inherit; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--cyan); outline-offset: 2px; }

.topbar { background: rgba(12, 15, 38, .78); box-shadow: 0 1px 0 rgba(255,255,255,.05), 0 14px 34px -18px rgba(0,0,0,.55); }
.brand { display: inline-flex; align-items: center; gap: 8px; text-shadow: 0 0 18px rgba(55,230,255,.55); }
.brand .brand-star { animation: spinGlow 5s linear infinite; display: inline-block; }
@keyframes spinGlow { 0%,100% { filter: drop-shadow(0 0 3px rgba(55,230,255,.9)); } 50% { filter: drop-shadow(0 0 10px rgba(255,122,184,.9)); } }
.status { background: rgba(255,255,255,.05); border: 1px solid var(--line); padding: 5px 12px; border-radius: 999px; }
.status.ok { border-color: rgba(99,240,165,.35); background: rgba(99,240,165,.08); }
.nav-btn { background: transparent; border-color: transparent; }
.nav-btn:hover { background: rgba(255,255,255,.07); }
.nav-btn.active { box-shadow: 0 0 18px rgba(141,107,255,.55), 0 0 6px rgba(255,122,184,.4); }

.btn { background: rgba(255,255,255,.08); border: 1px solid rgba(55,230,255,.35); }
.btn:hover { box-shadow: 0 0 16px rgba(55,230,255,.3); }
.btn.ghost { border-color: var(--line); background: transparent; }
.btn.ghost:hover { border-color: var(--cyan); box-shadow: none; }

.card { position: relative; transition: transform .25s ease, border-color .25s ease, background .25s ease; }
.card:hover { transform: translateY(-2px); border-color: rgba(55,230,255,.28); }
.card::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(220px 100px at 15% -8%, rgba(55,230,255,.10), transparent 70%); opacity: 0; transition: opacity .3s; }
.card:hover::after { opacity: 1; }

#view-home h1 { font-size: 34px; text-shadow: 0 0 26px rgba(141,107,255,.45); }
#view-home .sub { font-size: 15px; letter-spacing: .3px; }

.kpi { display: flex; flex-direction: column; gap: 8px; min-height: 128px; animation: rise .55s ease both; overflow: hidden; }
.kpi:nth-child(1) { animation-delay: .02s; } .kpi:nth-child(2) { animation-delay: .08s; }
.kpi:nth-child(3) { animation-delay: .14s; } .kpi:nth-child(4) { animation-delay: .2s; }
.kpi:nth-child(5) { animation-delay: .26s; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.kpi-ico { width: 32px; height: 32px; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center;
  font-size: 15px; border: 1px solid currentColor; background: rgba(255,255,255,.04); }
.c-cyan { color: var(--cyan); } .c-pink { color: var(--pink); } .c-violet { color: var(--violet); } .c-warn { color: var(--warn); }
.kpi small { letter-spacing: .4px; }
.kpi-val { display: flex; align-items: baseline; gap: 3px; }
.kpi b { display: inline-block; font-size: 30px; font-weight: 800; color: var(--cyan);
  font-variant-numeric: tabular-nums; text-shadow: 0 0 18px rgba(55,230,255,.35); line-height: 1; }
.kpi .kpi-suffix { font-style: normal; font-size: 16px; color: var(--pink); font-weight: 700; }
.kpi-note { font-size: 11px; margin-top: auto; }

.daily { font-size: 14px; }
.daily-row { display: flex; gap: 16px; align-items: stretch; }
.daily-row .cover-img, .daily-row .cover-fallback { width: 96px; height: 132px; flex: 0 0 96px; object-fit: cover;
  border-radius: 12px; border: 1px solid var(--line); }
.cover-fallback { display: flex; align-items: center; justify-content: center; font-size: 34px; font-weight: 800;
  background: linear-gradient(150deg, rgba(141,107,255,.5), rgba(55,230,255,.35)); color: rgba(255,255,255,.9); }
.daily-meta { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.daily-title { font-size: 17px; line-height: 1.45; }
.daily-line { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; padding: 3px 9px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(255,255,255,.05); color: var(--muted); }
.chip.score-good { color: var(--ok); border-color: rgba(99,240,165,.4); background: rgba(99,240,165,.08); }
.chip.score-mid { color: var(--cyan); border-color: rgba(55,230,255,.4); background: rgba(55,230,255,.08); }
.chip.score-low { color: var(--warn); border-color: rgba(255,207,107,.4); background: rgba(255,207,107,.07); }
.tag-row { display: flex; flex-wrap: wrap; gap: 4px; }
.tag { border: 1px solid rgba(55,230,255,.18); background: rgba(55,230,255,.08); }

.vrow { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 8px 0;
  border-bottom: 1px dashed rgba(255,255,255,.07); font-size: 13px; }
.vrow:last-child { border-bottom: 0; }
.vrow span { color: var(--muted); flex: 0 0 auto; }
.vrow b { color: #e7ecff; text-align: right; font-weight: 600; }

@media (max-width: 760px) {
  .kpi { min-height: 0; }
  .daily-row { flex-direction: row; }
  .vrow { flex-direction: column; align-items: flex-start; gap: 2px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ============ v2 polish: data archive ============ */
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; background: rgba(255,255,255,.04); }
.seg-btn { border: 0; background: transparent; color: var(--muted); padding: 5px 14px; border-radius: 999px; font-size: 13px; cursor: pointer; transition: .2s; }
.seg-btn.active { background: linear-gradient(90deg, rgba(141,107,255,.8), rgba(255,122,184,.8)); color: #fff; box-shadow: 0 0 14px rgba(141,107,255,.4); }

.table-card tr { transition: background .15s; }
.id-muted { color: rgba(170,176,216,.55); font-size: 12px; white-space: nowrap; }
.cell-title { font-size: 14px; line-height: 1.35; }
.num-cell { font-variant-numeric: tabular-nums; }
.chip.t-score { font-size: 11px; padding: 1px 8px; }
.tag.mine-tag, .chip.mine-tag { color: var(--violet); border-color: rgba(141,107,255,.45); background: rgba(141,107,255,.1); }
.watch-actions { white-space: nowrap; }
.watch-actions button { opacity: .35; transform: translateY(2px); transition: .18s; }
tr:hover .watch-actions button, .watch-actions button:focus-visible { opacity: 1; transform: none; }
.watch-actions button:hover { opacity: 1; }

.cover-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(158px, 1fr)); gap: 18px; padding: 6px 2px; }
.cover-card { display: flex; flex-direction: column; gap: 7px; animation: rise .5s ease both; }
.cover-card:nth-child(3n+2) { animation-delay: .04s; } .cover-card:nth-child(3n) { animation-delay: .08s; }
.cover-thumb { position: relative; aspect-ratio: 3 / 4; border-radius: 14px; overflow: hidden;
  border: 1px solid var(--line); background: linear-gradient(160deg, rgba(141,107,255,.25), rgba(55,230,255,.12)); }
.cover-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .35s ease; }
.cover-thumb .cover-fallback { width: 100%; height: 100%; border: 0; border-radius: 0; font-size: 44px; }
.cover-card:hover .cover-thumb img { transform: scale(1.05); }
.cover-thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgba(6,8,20,.78));
  opacity: 0; transition: opacity .25s; }
.cover-card:hover .cover-thumb::after { opacity: 1; }
.cover-score { position: absolute; top: 8px; right: 8px; z-index: 2; backdrop-filter: blur(6px); }
.cover-mine { position: absolute; top: 8px; left: 8px; z-index: 2; }
.cover-actions { position: absolute; left: 0; right: 0; bottom: 8px; display: flex; justify-content: center; gap: 6px;
  z-index: 2; opacity: 0; transform: translateY(6px); transition: .22s; pointer-events: none; }
.cover-card:hover .cover-actions, .cover-actions:focus-within { opacity: 1; transform: none; pointer-events: auto; }
.cover-actions .btn { font-size: 12px; padding: 5px 11px; background: rgba(8,10,26,.72); }
.cover-title { font-size: 13.5px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 38px; }
.cover-sub { display: flex; gap: 8px; font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
.cover-sub span:not(:first-child)::before { content: "·"; margin-right: 8px; color: rgba(170,176,216,.4); }

@media (max-width: 760px) {
  .seg { order: 3; width: 100%; justify-content: center; }
  .cover-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 12px; }
}

/* ============ v2 polish: analysis charts ============ */
.chart-card h2 { display: flex; align-items: center; gap: 8px; letter-spacing: .2px; }
.chart-card h2::before { content: ""; width: 8px; height: 14px; border-radius: 4px; flex: 0 0 8px;
  background: linear-gradient(180deg, var(--cyan), var(--violet)); box-shadow: 0 0 10px rgba(55,230,255,.55); }
.chart { height: 320px; }
#analysisConcl { font-size: 12.5px; line-height: 1.7; max-width: 640px; color: #c9cff3;
  border: 1px solid rgba(141,107,255,.28); background: linear-gradient(120deg, rgba(141,107,255,.12), rgba(55,230,255,.05));
  border-radius: 14px; padding: 9px 14px; text-align: left; }
.concl-ico { color: var(--cyan); margin-right: 6px; text-shadow: 0 0 10px rgba(55,230,255,.9); }

.gem { position: relative; display: flex; flex-direction: column; gap: 6px; padding: 14px;
  border: 1px solid rgba(255,255,255,.06); background: linear-gradient(150deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  transition: .2s; }
.gem:hover { border-color: rgba(55,230,255,.3); transform: translateY(-2px); }
.gem-rank { position: absolute; top: 10px; right: 12px; font-size: 12px; font-weight: 800;
  color: var(--violet); text-shadow: 0 0 8px rgba(141,107,255,.7); }
.gem b { font-size: 13.5px; padding-right: 28px; line-height: 1.4; }
.gem small { color: var(--muted); }
.gem-meta { display: flex; gap: 6px; flex-wrap: wrap; }
.gem-meta .chip { font-size: 11px; padding: 1px 8px; }

@media (max-width: 900px) {
  #analysisConcl { max-width: 100%; }
}

/* ============ v2 polish: predict lab ============ */
.form-card label { position: relative; border-radius: 12px; padding: 8px 10px 10px; transition: .2s;
  border: 1px solid transparent; background: rgba(255,255,255,.02); }
.form-card label:focus-within { border-color: rgba(55,230,255,.35); background: rgba(55,230,255,.045); }
.form-card select, .form-card input { border-color: transparent; background: rgba(10,12,30,.8); }
.form-card select:hover, .form-card input:hover { border-color: var(--line); }
.form-card .row { margin-top: 6px; }
.btn[type="submit"] { background: linear-gradient(90deg, var(--violet), var(--pink)); border: 0; color: #fff;
  font-weight: 700; box-shadow: 0 6px 22px -6px rgba(255,122,184,.55); }
.btn[type="submit"]:hover { box-shadow: 0 8px 26px -4px rgba(141,107,255,.7); transform: translateY(-1px); }
#quizBtn { border-color: rgba(255,207,107,.35); color: var(--warn); }

.result-card { min-height: 420px; }
.result-card .muted { font-size: 12.5px; }
.result-head { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.ring-wrap { position: relative; width: 170px; height: 130px; flex: 0 0 170px; }
#probRing { width: 100%; height: 100%; }
.ring-note { position: absolute; left: 0; right: 0; bottom: 4px; text-align: center; font-size: 12px;
  color: var(--muted); letter-spacing: .4px; }
.ring-wrap .ring-pct { position: absolute; top: 22px; left: 0; right: 0; text-align: center; font-size: 28px; font-weight: 800; color: var(--text); }
.result-side { flex: 1; min-width: 240px; display: flex; flex-direction: column; gap: 8px; }
.est-collect { font-size: 15px; color: var(--muted); }
.est-collect b { font-size: 40px; font-weight: 800; color: var(--cyan); text-shadow: 0 0 20px rgba(55,230,255,.4);
  font-variant-numeric: tabular-nums; margin-right: 4px; }
.est-collect small { color: var(--muted); font-size: 13px; }
.range-block { margin-top: 4px; }
.range-labels { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted);
  font-variant-numeric: tabular-nums; margin-bottom: 5px; }
.range-labels .est { color: var(--cyan); }
.range-track { position: relative; height: 5px; border-radius: 999px;
  background: linear-gradient(90deg, rgba(141,107,255,.5), rgba(55,230,255,.5)); }
.range-track em { position: absolute; top: -5px; width: 2px; height: 15px; background: var(--cyan);
  border-radius: 2px; box-shadow: 0 0 10px rgba(55,230,255,.9); transform: translateX(-50%); }
.range-track i { display: none; }

.contrib-h { font-size: 15px; margin: 20px 0 10px; }
.contrib { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.contrib li { display: grid; grid-template-columns: minmax(120px, 1fr) 150px 84px; align-items: center; gap: 10px; font-size: 12px; }
.contrib-name { color: #cfd6ff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.contrib-track { height: 6px; border-radius: 999px; background: rgba(255,255,255,.06); overflow: hidden; }
.contrib-track i { display: block; height: 100%; border-radius: 999px; transition: width .5s ease; }
.contrib-track i.up { background: linear-gradient(90deg, var(--cyan), #8ff3ff); box-shadow: 0 0 8px rgba(55,230,255,.5); }
.contrib-track i.down { background: linear-gradient(90deg, var(--pink), var(--violet)); box-shadow: 0 0 8px rgba(255,122,184,.45); }
.contrib-val { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
.contrib-val.up { color: var(--cyan); } .contrib-val.down { color: var(--pink); }
.result-empty { padding: 18px 0; color: var(--warn); }

@media (max-width: 760px) {
  .result-head { flex-direction: column; align-items: stretch; }
  .contrib li { grid-template-columns: 1fr; gap: 4px; }
  .contrib-val { text-align: left; }
}

/* ============ v2 polish: model report ============ */
#modelNote { font-size: 13px; color: #c9cff3; border: 1px solid rgba(141,107,255,.28);
  background: linear-gradient(120deg, rgba(141,107,255,.12), rgba(55,230,255,.05));
  border-radius: 14px; padding: 8px 14px; max-width: 720px; }
.cmp-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; }
.cmp { border: 1px solid rgba(255,255,255,.07); border-radius: 14px; padding: 14px 16px;
  background: linear-gradient(160deg, rgba(255,255,255,.045), rgba(255,255,255,.015)); }
.cmp h3 { font-size: 14px; margin: 0 0 10px; color: #e7ecff; display: flex; align-items: center; gap: 8px; }
.cmp h3 em { font-style: normal; font-size: 10px; color: var(--cyan); border: 1px solid rgba(55,230,255,.35);
  border-radius: 999px; padding: 1px 8px; background: rgba(55,230,255,.07); font-weight: 600; }
.cmp h3 em.warn { color: var(--warn); border-color: rgba(255,207,107,.4); background: rgba(255,207,107,.08); }
.cmp-row { display: grid; grid-template-columns: 110px 1fr auto; align-items: baseline; gap: 8px;
  padding: 6px 0; border-bottom: 1px dashed rgba(255,255,255,.06); font-size: 12px; }
.cmp-row:last-child { border-bottom: 0; }
.cmp-row span { color: var(--muted); }
.cmp-row b { color: var(--cyan); font-variant-numeric: tabular-nums; font-weight: 700; }
.cmp-row small { color: rgba(170,176,216,.65); font-size: 11px; text-align: right; }
#modelJson { max-height: 460px; }

@media (max-width: 760px) {
  .cmp-row { grid-template-columns: 1fr auto; }
  .cmp-row small { grid-column: 1 / -1; text-align: left; }
}

/* ============ v2 polish: library ============ */
.lib-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.chip.lib-st.st-想看 { color: var(--violet); border-color: rgba(141,107,255,.5); background: rgba(141,107,255,.1); }
.chip.lib-st.st-看过 { color: var(--ok); border-color: rgba(99,240,165,.45); background: rgba(99,240,165,.08); }
.chip.lib-st.st-搁置 { color: var(--warn); border-color: rgba(255,207,107,.45); background: rgba(255,207,107,.08); }
.chip.lib-st.st-抛弃 { color: var(--pink); border-color: rgba(255,122,184,.45); background: rgba(255,122,184,.08); }
.lib-item b { display: flex; flex-wrap: wrap; gap: 6px; padding-right: 30px; align-items: center; }
.lib-chart { height: 240px; }
.chart-empty { height: 100%; display: flex; align-items: center; justify-content: center; text-align: center;
  color: var(--muted); font-size: 13px; border: 1px dashed rgba(255,255,255,.12); border-radius: 12px; padding: 12px; }
.quiz-flex { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.ring-card { position: relative; width: 132px; height: 132px; flex: 0 0 132px; }
.ring-inner { width: 100%; height: 100%; }
.ring-center { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800; color: var(--cyan); text-shadow: 0 0 14px rgba(55,230,255,.5);
  font-variant-numeric: tabular-nums; }
.quiz-line { display: flex; justify-content: space-between; gap: 22px; padding: 7px 0;
  border-bottom: 1px dashed rgba(255,255,255,.07); font-size: 13px; min-width: 160px; }
.quiz-line span { color: var(--muted); }
.quiz-line b { color: #e7ecff; font-variant-numeric: tabular-nums; }
.tips { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 9px; font-size: 13px; color: #c9cff3; line-height: 1.6; }
.tips b { color: var(--cyan); }

@media (max-width: 760px) {
  .quiz-flex { flex-direction: row; }
}

/* ============ v2 polish: real covers (bgm.tv thumb + fallback) ============ */
.daily-cover { position: relative; width: 96px; height: 132px; flex: 0 0 96px; overflow: hidden;
  border-radius: 12px; border: 1px solid var(--line); background: linear-gradient(150deg, rgba(141,107,255,.5), rgba(55,230,255,.35)); }
.daily-cover .cover-fallback, .cover-thumb .cover-fallback { position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%; font-size: 34px; }
.daily-cover img { position: absolute; inset: 0; z-index: 2; width: 100%; height: 100%;
  object-fit: cover; display: block; border: 0; border-radius: 0; }
.cover-thumb img { position: absolute; inset: 0; z-index: 2; width: 100%; height: 100%;
  object-fit: cover; display: block; }
.cover-thumb .cover-fallback { font-size: 44px; }