/* ============================================================
   PK CUP · 二次元角色二选一
   深色 · 快节奏大卡片 · 移动优先
   ============================================================ */

:root {
  --bg: #0a0e1a;
  --panel: rgba(255, 255, 255, .045);
  --panel-2: rgba(255, 255, 255, .08);
  --line: rgba(255, 255, 255, .1);
  --line-soft: rgba(255, 255, 255, .06);
  --txt: #f0f2f8;
  --dim: rgba(235, 235, 245, .58);
  --dim2: rgba(235, 235, 245, .34);
  --acc1: #a78bfa;
  --acc2: #f7d44a;
  --acc1-soft: rgba(167, 139, 250, .35);
  --pink: #ff7ac6;
  --cyan: #5eead4;
  --gold: #f7d44a;
  --purple: #b57cf2;
  --grad-main: linear-gradient(135deg, #a78bfa 0%, #f472b6 55%, #5eead4 130%);
  --grad-gold: linear-gradient(135deg, #f7d44a, #f5a623);
  --r-lg: 28px;
  --r-md: 20px;
  --r-sm: 14px;
  --font-cn: -apple-system, "PingFang SC", "Noto Sans SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-en: "Space Grotesk", "SF Pro Display", -apple-system, sans-serif;
  --shadow-card: 0 18px 50px -18px rgba(0, 0, 0, .65);
  --topbar-h: 56px;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html { color-scheme: dark; }
body {
  background: var(--bg);
  color: var(--txt);
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.5;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
img { display: block; }
svg { display: block; }
::selection { background: var(--acc1-soft); }

/* ---------- Ambient ---------- */
.ambient { position: fixed; inset: 0; z-index: -2; overflow: hidden; pointer-events: none; }
.blob {
  position: absolute; width: 72vmax; height: 72vmax; border-radius: 50%;
  filter: blur(90px); opacity: .5; animation: drift 26s ease-in-out infinite alternate;
}
.blob.b1 { background: radial-gradient(circle, rgba(167,139,250,.5), transparent 62%); top: -32vmax; left: -22vmax; }
.blob.b2 { background: radial-gradient(circle, rgba(244,114,182,.4), transparent 62%); bottom: -34vmax; right: -24vmax; animation-delay: -13s; }
.blob.b3 { background: radial-gradient(circle, rgba(94,234,212,.34), transparent 62%); top: 38vmax; left: 26vmax; animation-delay: -7s; }
@keyframes drift { to { transform: translate(7vmax, 5vmax) scale(1.12); } }

/* 二次元星空点缀 */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    radial-gradient(1.5px 1.5px at 12% 18%, rgba(255,255,255,.65), transparent 50%),
    radial-gradient(1px 1px at 24% 42%, rgba(94,234,212,.55), transparent 50%),
    radial-gradient(1.5px 1.5px at 32% 78%, rgba(255,255,255,.45), transparent 50%),
    radial-gradient(1px 1px at 47% 25%, rgba(255,122,198,.6), transparent 50%),
    radial-gradient(1.5px 1.5px at 61% 61%, rgba(167,139,250,.55), transparent 50%),
    radial-gradient(1px 1px at 72% 15%, rgba(255,255,255,.55), transparent 50%),
    radial-gradient(1.5px 1.5px at 84% 52%, rgba(94,234,212,.55), transparent 50%),
    radial-gradient(1px 1px at 91% 83%, rgba(255,122,198,.5), transparent 50%);
  animation: twinkle 4.5s ease-in-out infinite alternate;
}
@keyframes twinkle { from { opacity: .45; } to { opacity: 1; } }

.grain {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  height: var(--topbar-h);
  display: flex; align-items: center; gap: 8px;
  padding: 0 12px;
  background: rgba(10, 14, 26, .82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.tb-btn {
  width: 40px; height: 40px; flex: none;
  display: grid; place-items: center;
  border-radius: 12px; color: var(--dim);
  transition: background .15s, color .15s;
}
.tb-btn:hover { background: var(--panel-2); color: var(--txt); }
.tb-btn:disabled { opacity: .3; }
.tb-btn svg { width: 21px; height: 21px; }
.tb-btn.ghost { pointer-events: none; }
.tb-title { flex: 1; font-weight: 800; letter-spacing: .3px; font-family: var(--font-en); font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; background: linear-gradient(90deg, #c4b5fd, #f472b6); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tb-right { display: flex; align-items: center; gap: 4px; }
.lang-select {
  background: var(--panel); color: var(--txt); border: 1px solid var(--line-soft);
  border-radius: 10px; padding: 6px 6px; font-size: 12.5px; outline: none;
}

/* ---------- Shared ---------- */
.wrap { max-width: 560px; margin: 0 auto; padding: 18px 16px 90px; }
.hint { font-size: 13px; color: var(--dim2); margin: 8px 2px 2px; }
.sec { margin-bottom: 26px; }
.sec h2 { font-size: 14px; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 12px; font-weight: 800; background: linear-gradient(90deg, var(--acc1), var(--pink)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- Setup ---------- */
.seg { display: flex; background: var(--panel); border: 1px solid var(--line-soft); border-radius: 14px; padding: 4px; gap: 4px; }
.seg-btn {
  flex: 1; padding: 12px 10px; border-radius: 11px;
  font-weight: 700; font-size: 14.5px; color: var(--dim);
  transition: background .18s, color .18s;
}
.seg-btn.on { background: var(--grad-main); color: #fff; box-shadow: 0 6px 18px -8px var(--acc1-soft); }

.game-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.game-card {
  position: relative; overflow: hidden;
  padding: 16px 14px; border-radius: var(--r-md);
  background: var(--panel); border: 1.5px solid var(--line-soft);
  text-align: left; transition: border-color .18s, transform .12s, background .18s;
}
.game-card::after {
  content: ""; position: absolute; inset: 0; opacity: 0; pointer-events: none;
  background: radial-gradient(140px 90px at 20% 0%, var(--g1), transparent 70%);
  transition: opacity .18s;
}
.game-card.on { border-color: var(--g1); background: var(--panel-2); }
.game-card.on::after { opacity: .32; }
.game-card:active { transform: scale(.97); }
.game-name { font-weight: 800; font-size: 15.5px; position: relative; z-index: 1; }
.game-meta { font-size: 12px; color: var(--dim2); margin-top: 4px; position: relative; z-index: 1; }

.pool-grid { display: flex; flex-direction: column; gap: 9px; }
.pool-card {
  display: flex; flex-direction: column; gap: 2px;
  padding: 14px 16px; border-radius: var(--r-md);
  background: var(--panel); border: 1.5px solid var(--line-soft);
  transition: border-color .18s, background .18s, transform .12s;
}
.pool-card.on { border-color: var(--acc1); background: rgba(74,154,253,.08); }
.pool-card:active { transform: scale(.985); }
.pool-name { font-weight: 800; font-size: 15.5px; }
.pool-desc { font-size: 12.5px; color: var(--dim2); }

.topn { display: flex; gap: 8px; margin-top: 12px; }
.pill {
  padding: 8px 14px; border-radius: 999px; font-size: 13px; font-weight: 700;
  background: var(--panel); border: 1px solid var(--line-soft); color: var(--dim);
  transition: all .15s;
}
.pill.on { background: var(--grad-main); border-color: transparent; color: #fff; }

.banner {
  display: flex; flex-direction: column; gap: 2px; width: 100%;
  margin-bottom: 22px; padding: 15px 18px; text-align: left;
  border-radius: var(--r-md); color: var(--txt);
  background: linear-gradient(120deg, rgba(167,139,250,.18), rgba(244,114,182,.12));
  border: 1px solid rgba(167,139,250,.45);
}
.banner-title { font-weight: 800; font-size: 16px; }
.banner-sub { font-size: 13px; color: var(--dim); }

.setup-foot { position: fixed; left: 0; right: 0; bottom: 0; padding: 14px 18px calc(14px + env(safe-area-inset-bottom)); background: linear-gradient(transparent, rgba(10,14,26,.9) 40%); z-index: 15; }
.start-btn {
  display: block; width: 100%; max-width: 560px; margin: 0 auto;
  padding: 16px; border-radius: 16px; font-weight: 800; font-size: 17px; letter-spacing: .4px;
  background: var(--grad-main); color: #fff;
  box-shadow: 0 14px 34px -12px var(--acc1-soft);
  transition: transform .12s, opacity .15s, box-shadow .15s;
}
.start-btn:active { transform: scale(.97); }
.start-btn.disabled { opacity: .35; box-shadow: none; }
.start-btn.sm { max-width: 130px; padding: 12px 18px; font-size: 15px; width: auto; }

/* ---------- Custom picker sheet ---------- */
.sheet-mask, .modal-mask { position: fixed; inset: 0; z-index: 40; background: rgba(0,0,0,.62); backdrop-filter: blur(3px); animation: fade .2s; }
@keyframes fade { from { opacity: 0; } }
.sheet {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 41;
  max-height: 88dvh; display: flex; flex-direction: column;
  background: #101524; border-radius: 22px 22px 0 0;
  border-top: 1px solid var(--line-soft);
  animation: slideUp .26s cubic-bezier(.2,.9,.3,1);
}
@keyframes slideUp { from { transform: translateY(40px); opacity: 0; } }
.sheet-head { display: flex; align-items: flex-start; justify-content: space-between; padding: 18px 18px 10px; }
.sheet-title { font-size: 18px; font-weight: 800; }
.sheet-sub { font-size: 13px; color: var(--dim2); margin-top: 2px; }
.gfilters { display: flex; gap: 8px; padding: 4px 18px 12px; overflow-x: auto; flex: none; }
.char-grid { flex: 1; overflow-y: auto; display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 10px; padding: 6px 18px 18px; align-content: start; }
.cchip {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 10px 6px 8px; border-radius: 14px;
  background: var(--panel); border: 1.5px solid var(--line-soft);
  transition: border-color .15s, background .15s, transform .1s;
}
.cchip.on { border-color: var(--g1, var(--acc1)); background: var(--panel-2); }
.cchip:active { transform: scale(.95); }
.cchip img { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; background: rgba(255,255,255,.05); }
.cchip span { font-size: 12px; font-weight: 700; max-width: 100%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sheet-foot { display: flex; align-items: center; gap: 8px; padding: 12px 18px calc(14px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line-soft); background: #101524; }
.sheet-count { flex: 1; font-size: 14px; font-weight: 700; color: var(--dim); text-align: right; }

/* ---------- PK battle ---------- */
.pk { display: flex; flex-direction: column; height: calc(100dvh - var(--topbar-h)); padding: 10px 12px 12px; max-width: 560px; margin: 0 auto; }
.pk-top { display: flex; align-items: center; gap: 12px; flex: none; padding: 4px 2px 10px; }
.pk-progress { flex: 1; min-width: 0; }
.pk-pos { font-size: 13px; font-weight: 800; color: var(--dim); margin-bottom: 6px; font-family: var(--font-en); }
.pbar { height: 8px; border-radius: 99px; background: var(--panel); overflow: hidden; }
.pbar-fill { position: relative; height: 100%; border-radius: 99px; background: var(--grad-main); transition: width .3s ease; overflow: hidden; }
.pbar-fill::after {
  content: ""; position: absolute; inset: 0; width: 40%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.5), transparent);
  animation: shimmer 2.4s linear infinite;
}
@keyframes shimmer { from { transform: translateX(-130%); } to { transform: translateX(330%); } }
.pk-meta { display: flex; align-items: center; gap: 8px; }
.streak { font-size: 13px; font-weight: 800; padding: 6px 11px; border-radius: 999px; background: var(--panel); border: 1px solid var(--line-soft); color: var(--dim); font-family: var(--font-en); }
.streak.hot { color: #fff; background: linear-gradient(135deg, #ff6b35, #f7d44a); border-color: transparent; }

.pk-arena { flex: 1; display: flex; flex-direction: column; gap: 12px; min-height: 0; position: relative; }
.pk-stage { flex: 1; display: flex; flex-direction: column; gap: 12px; min-height: 0; }

.pk-card {
  position: relative; flex: 1; min-height: 0; overflow: hidden;
  border-radius: 26px; border: 2px solid rgba(255,255,255,.16);
  cursor: pointer; user-select: none;
  background: var(--panel);
  box-shadow: 0 14px 40px -18px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.08);
  transition: transform .16s, border-color .2s, filter .2s, box-shadow .2s;
}
.pk-card::before {
  content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255,255,255,.14), transparent 38%);
}
.pk-card:active { transform: scale(.985); }
.pk-card.win { border-color: var(--acc2); box-shadow: 0 0 0 2px var(--acc2-soft), 0 18px 50px -18px var(--acc2-soft); }
.pk-card.lose { opacity: .4; filter: grayscale(.8) brightness(.7); }
.pk-img { position: absolute; inset: 0; }
.pk-img img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.pk-img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,14,26,.94) 0%, rgba(10,14,26,.35) 38%, rgba(10,14,26,.12) 60%, rgba(10,14,26,.25) 100%);
}
.pk-badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  padding: 6px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 800; letter-spacing: .4px;
}
.pk-badge.champ { background: var(--grad-gold); color: #2a1a00; box-shadow: 0 6px 18px -6px rgba(247,212,74,.6); }
.pk-badge.chall { background: rgba(10,14,26,.6); backdrop-filter: blur(6px); color: var(--dim); border: 1px solid var(--line-soft); }
.pk-name {
  position: absolute; left: 16px; right: 16px; bottom: 14px; z-index: 2;
  font-size: 26px; font-weight: 900;
  text-shadow: 0 1px 0 rgba(255,255,255,.18), 0 2px 18px rgba(0,0,0,.85), 0 0 30px rgba(0,0,0,.5);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.pk-tags { position: absolute; left: 16px; right: 16px; bottom: 52px; z-index: 2; display: flex; gap: 6px; }
.tag { font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px; background: var(--g1, rgba(255,255,255,.14)); color: #fff; }
.tag.dim { background: rgba(10,14,26,.5); color: var(--dim); }

.vs-badge {
  flex: none; align-self: center;
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-en); font-weight: 900; font-size: 15px; letter-spacing: 1px;
  background: var(--grad-main); color: #fff;
  border: 3px solid var(--bg);
  box-shadow: 0 8px 22px -6px var(--acc1-soft);
  z-index: 3;
}

.pk-flash {
  position: absolute; inset: 0; z-index: 5; display: grid; place-items: center;
  padding: 24px; text-align: center;
  font-size: 22px; font-weight: 900;
  color: #fff; text-shadow: 0 2px 20px rgba(0,0,0,.8);
  opacity: 0; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(10,14,26,.55), transparent 70%);
}
.pk-flash.show { animation: flashPop .62s ease; }
@keyframes flashPop { 0% { opacity: 0; transform: scale(.9); } 18% { opacity: 1; transform: scale(1); } 75% { opacity: 1; } 100% { opacity: 0; } }

/* ---------- Result ---------- */
.result { text-align: center; padding-top: 8px; }
.res-title { font-size: 30px; font-weight: 900; margin-bottom: 20px; background: var(--grad-gold); -webkit-background-clip: text; background-clip: text; color: transparent; }
.res-card { position: relative; width: 240px; height: 320px; margin: 0 auto; border-radius: 24px; overflow: hidden; box-shadow: var(--shadow-card); border: 2px solid rgba(255,255,255,.14); }
.res-img, .res-img img { width: 100%; height: 100%; }
.res-img img { object-fit: cover; object-position: top center; }
.res-card::after { content: ""; position: absolute; inset: 0; background: radial-gradient(140px 100px at 50% 0%, var(--g1, var(--acc1-soft)), transparent 70%); opacity: .5; }
.res-crown { position: absolute; top: -18px; right: -10px; font-size: 56px; transform: rotate(18deg); filter: drop-shadow(0 6px 14px rgba(255,215,0,.5)); }
.res-name { font-size: 34px; font-weight: 900; margin-top: 22px; }
.res-game { font-size: 15px; color: var(--dim); margin-top: 4px; }
.stats { display: flex; justify-content: center; gap: 12px; margin: 26px 0; }
.stat { flex: 1; max-width: 120px; padding: 14px 8px; border-radius: var(--r-md); background: var(--panel); border: 1px solid var(--line-soft); }
.stat b { display: block; font-size: 26px; font-weight: 900; font-family: var(--font-en); }
.stat span { font-size: 12px; color: var(--dim); }
.res-actions { display: flex; flex-direction: column; gap: 10px; }
.ghost-btn { padding: 14px; border-radius: 14px; font-weight: 700; background: var(--panel); border: 1px solid var(--line-soft); color: var(--dim); transition: all .15s; }
.ghost-btn:active { transform: scale(.97); }

/* ---------- Rank ---------- */
.rank-title { font-size: 24px; font-weight: 900; margin: 6px 0 16px; background: linear-gradient(90deg, #c4b5fd, #f472b6); -webkit-background-clip: text; background-clip: text; color: transparent; }
.rtabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.rlist { display: flex; flex-direction: column; gap: 8px; }
.rrow {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 12px; border-radius: 14px;
  background: var(--panel); border: 1px solid var(--line-soft);
}
.rrank { width: 30px; text-align: center; font-weight: 900; font-size: 16px; color: var(--dim2); font-family: var(--font-en); }
.rrank.top { color: var(--acc2); }
.ricon { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; background: rgba(255,255,255,.05); flex: none; }
.rinfo { flex: 1; min-width: 0; }
.rname { font-weight: 800; font-size: 14.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rgame { font-size: 11.5px; color: var(--dim2); margin-top: 1px; }
.rscore { display: flex; align-items: center; gap: 8px; flex: none; }
.rbar { height: 6px; border-radius: 99px; opacity: .9; width: 56px; }
.rscore span { font-size: 12px; color: var(--dim); font-family: var(--font-en); width: 22px; text-align: right; }

/* ---------- Modal / Toast ---------- */
.modal {
  position: fixed; inset: 0; z-index: 41; display: grid; place-items: center;
  padding: 20px; animation: fade .2s;
}
.modal-img { max-width: 420px; width: 100%; border-radius: 18px; overflow: hidden; box-shadow: 0 30px 80px -20px rgba(0,0,0,.8); }
.modal-img img { width: 100%; display: block; }
.modal-actions { display: flex; gap: 10px; margin-top: 16px; justify-content: center; }
.modal .start-btn { width: auto; padding: 13px 26px; font-size: 15px; text-decoration: none; text-align: center; }
.loading { color: var(--dim); font-size: 15px; background: rgba(16,21,36,.9); padding: 26px 40px; border-radius: 16px; }

.toast {
  position: fixed; left: 50%; bottom: calc(90px + env(safe-area-inset-bottom)); transform: translate(-50%, 20px);
  z-index: 60; padding: 11px 20px; border-radius: 999px;
  background: rgba(16,21,36,.95); border: 1px solid var(--line); color: var(--txt);
  font-size: 14px; font-weight: 700; box-shadow: 0 12px 30px -10px rgba(0,0,0,.7);
  opacity: 0; transition: all .3s ease; pointer-events: none; max-width: 86vw; text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Desktop niceties ---------- */
@media (min-width: 720px) {
  .wrap { max-width: 620px; }
  .pk { max-width: 620px; }
}
@media (min-width: 900px) {
  .pk { max-width: 760px; }
  .pk-card { flex: 1; }
  .pk-stage { gap: 14px; }
}

/* ---------- 二次元卡片悬浮 ---------- */
@media (hover: hover) and (pointer: fine) {
  .game-card:hover { transform: translateY(-2px); border-color: var(--g1, var(--acc1)); }
  .pool-card:hover { transform: translateY(-2px); border-color: var(--acc1); }
  .game-card:active, .pool-card:active { transform: scale(.97); }
  .cchip:hover { transform: translateY(-1px); }
  .rrow:hover { background: var(--panel-2); }
}

/* ---------- 摄像头模式 ---------- */
.pk.cam .pk-stage {
  position: absolute; top: 0; left: 0; right: 0;
  height: min(42%, 300px); /* % 相对 .pk-arena（flex 定高），否则卡片塌陷 */
  flex-direction: row; gap: 10px; padding: 0 2px; z-index: 2;
}
.pk.cam .pk-card { flex: 1; }
.pk.cam .vs-badge { display: none; }
.pk.cam .pk-flash { z-index: 8; }
.pk.cam .cam-meter { top: auto; bottom: calc(80px + env(safe-area-inset-bottom)); }

.pk-cam {
  position: absolute; inset: 0; z-index: 0; overflow: hidden;
  border-radius: 24px; border: 1px solid var(--line-soft);
  background: radial-gradient(130% 100% at 50% -10%, #1c2444 0%, #0f1424 62%);
}
.pk-cam-shade {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(10,14,26,.55), rgba(10,14,26,.25) 45%, rgba(10,14,26,.4));
}

.cam-mirror {
  position: absolute; left: 50%; top: 56%; transform: translate(-50%, -50%);
  width: min(230px, 52vw); aspect-ratio: 1; z-index: 4;
  border-radius: 50%; padding: 3px;
  background: linear-gradient(135deg, #a78bfa, #f472b6, #5eead4);
  box-shadow: 0 0 46px -8px rgba(124,92,240,.6), 0 20px 52px -22px rgba(0,0,0,.85);
}
.cam-mirror-video { position: absolute; inset: 3px; border-radius: 50%; overflow: hidden; background: #101524; }
.cam-mirror-video video { width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1); }

.cam-meter { position: absolute; top: 10px; left: 50%; transform: translateX(-50%); z-index: 6; width: min(280px, 68%); }
.cam-meter-track { position: relative; height: 6px; border-radius: 99px; background: rgba(255,255,255,.2); border: 1px solid rgba(255,255,255,.16); backdrop-filter: blur(4px); }
.cam-meter-dot {
  position: absolute; top: 50%; left: 50%; width: 15px; height: 15px; border-radius: 50%;
  background: linear-gradient(135deg, #f472b6, #a78bfa);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 12px rgba(244,114,182,.9);
  transition: left .05s linear;
}

.cam-hint {
  position: absolute; left: 50%; bottom: 10px; transform: translateX(-50%); z-index: 6;
  display: flex; align-items: center; gap: 10px; max-width: 94%;
  padding: 8px 14px; border-radius: 999px;
  background: rgba(10,14,26,.72); backdrop-filter: blur(10px);
  border: 1px solid var(--line-soft);
  font-size: 12.5px; font-weight: 700; white-space: nowrap;
}
.cam-hint span { overflow: hidden; text-overflow: ellipsis; }
.cam-exit { flex: none; padding: 5px 12px; border-radius: 999px; background: var(--grad-main); color: #fff; font-size: 12px; font-weight: 800; }
.cam-btn.on { background: linear-gradient(135deg, #ff6b6b, #f472b6); color: #fff; }

/* 摄像头引导页 */
.cam-guide {
  position: fixed; inset: 0; z-index: 42;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  padding: 26px 22px; overflow-y: auto;
}
.cam-guide-emoji { font-size: 42px; }
.cam-guide-title { font-size: 22px; font-weight: 900; background: var(--grad-main); -webkit-background-clip: text; background-clip: text; color: transparent; }
.cam-guide-about { font-size: 13.5px; color: var(--dim); text-align: center; max-width: 420px; line-height: 1.6; }
.cam-guide-demo { position: relative; width: 100%; max-width: 420px; height: 190px; border-radius: 20px; overflow: hidden; background: linear-gradient(160deg, rgba(167,139,250,.2), rgba(244,114,182,.14)); border: 1px solid var(--line); }
.cam-demo-video { position: absolute; inset: 12px; border-radius: 14px; background: rgba(10,14,26,.5); border: 1px dashed var(--line-soft); overflow: hidden; }
.cam-demo-you { position: absolute; top: 10px; left: 14px; z-index: 2; font-size: 11px; font-weight: 900; letter-spacing: 2px; color: var(--dim2); }
.cam-demo-face {
  position: absolute; left: 50%; top: 50%; z-index: 2;
  width: 62px; height: 62px; margin: -31px 0 0 -31px;
  border-radius: 50%; display: grid; place-items: center; font-size: 30px;
  background: linear-gradient(135deg, #a78bfa, #f472b6);
  border: 2px solid rgba(255,255,255,.5);
  box-shadow: 0 0 18px rgba(244,114,182,.55);
  animation: camSway 3.2s ease-in-out infinite;
}
@keyframes camSway {
  0%, 100% { transform: translate(-50%, -50%) translateX(0) rotate(0); }
  22% { transform: translate(-50%, -50%) translateX(-120px) rotate(-14deg); }
  38% { transform: translate(-50%, -50%) translateX(0) rotate(0); }
  66% { transform: translate(-50%, -50%) translateX(120px) rotate(14deg); }
  84% { transform: translate(-50%, -50%) translateX(0) rotate(0); }
}
.cam-demo-tip { font-size: 12.5px; font-weight: 800; color: var(--pink); text-align: center; }
.cam-demo-card { position: absolute; top: 26px; width: 96px; height: 120px; border-radius: 14px; display: grid; place-items: center; font-weight: 900; font-size: 30px; color: #fff; box-shadow: 0 10px 24px -10px rgba(0,0,0,.6); }
.cam-demo-card.left { left: 18px; background: linear-gradient(160deg, #a78bfa, #7c5cf0); }
.cam-demo-card.right { right: 18px; background: linear-gradient(160deg, #f472b6, #ff7ac6); }
.cam-demo-arrow { position: absolute; top: 158px; font-size: 20px; color: var(--txt); opacity: .85; }
.cam-demo-arrow.left { left: 42px; }
.cam-demo-arrow.right { right: 42px; }
.cam-demo-vs { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 34px; height: 34px; border-radius: 50%; background: var(--grad-main); color: #fff; display: grid; place-items: center; font-weight: 900; font-size: 12px; }
.cam-guide-steps { width: 100%; max-width: 420px; display: flex; flex-direction: column; gap: 8px; list-style-position: inside; }
.cam-guide-steps li { font-size: 13.5px; color: var(--txt); background: var(--panel); border: 1px solid var(--line-soft); padding: 10px 14px; border-radius: 12px; }
.cam-guide-steps li::marker { color: var(--pink); font-weight: 900; }
.cam-guide-actions { display: flex; gap: 12px; }