/* ============================================================
 * 赢创网络安全月 · 网络安全消消乐 —— 主样式
 * 视觉：深空科技蓝紫 + ACE 品牌紫 + 赢创绿
 * ============================================================ */

:root {
  --bg-deep: #070218;
  --bg-mid: #140a33;
  --bg-panel: rgba(30, 16, 66, 0.72);
  --purple-deep: #5b0345;
  --purple: #740e5e;
  --purple-mid: #991d85;
  --purple-light: #c277b6;
  --green: #78be20;
  --green-glow: rgba(120, 190, 32, 0.55);
  --cyan: #38e1ff;
  --cyan-soft: rgba(56, 225, 255, 0.35);
  --card-risk-1: #b53aa8;          /* 赢创紫 · 亮 */
  --card-risk-2: #991d85;          /* 赢创紫 · 主题色 */
  --card-risk-3: #740e5e;          /* 赢创紫 · 深 */
  --text: #f2ecff;
  --text-dim: #a79ec9;
  --danger: #ff5d7a;
  --gold: #ffd166;
  --radius: 14px;
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}

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

html, body { height: 100%; }

body {
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(ellipse 90% 55% at 50% -8%, rgba(116, 14, 94, 0.5), transparent 60%),
    radial-gradient(ellipse 70% 45% at 50% 108%, rgba(30, 64, 175, 0.35), transparent 60%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-mid) 55%, #0a0d2b 100%);
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

/* 科技网格背景 */
body::before {
  content: "";
  position: fixed; inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(56, 225, 255, 0.045) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(0deg, rgba(56, 225, 255, 0.045) 0 1px, transparent 1px 44px);
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}

#app {
  position: relative;
  max-width: 480px;
  margin: 0 auto;
  height: 100dvh;
  z-index: 1;
  overflow: hidden;
}

/* ---------- 屏幕切换 ---------- */
.screen {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  padding: 18px 16px calc(14px + env(safe-area-inset-bottom));
  opacity: 0; pointer-events: none;
  transform: translateY(14px) scale(0.985);
  transition: opacity 0.32s ease, transform 0.32s ease;
  overflow-y: auto;
  overscroll-behavior: contain;
}
.screen.active { opacity: 1; pointer-events: auto; transform: none; }

/* ---------- 通用组件 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: none; cursor: pointer;
  font-family: var(--font); font-weight: 700;
  border-radius: 999px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}
.btn:active { transform: scale(0.95); }
.btn-primary {
  background: linear-gradient(135deg, var(--purple-mid), var(--purple-deep));
  color: #fff;
  box-shadow: 0 6px 24px rgba(153, 29, 133, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.btn-primary:hover { filter: brightness(1.12); }
.btn-green {
  background: linear-gradient(135deg, #8fd627, var(--green));
  color: #0c2405;
  box-shadow: 0 6px 24px var(--green-glow), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.btn-green:hover { filter: brightness(1.1); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.16);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.13); }
.btn-lg { width: 100%; height: 52px; font-size: 17px; letter-spacing: 2px; }
.btn-md { height: 42px; padding: 0 20px; font-size: 14px; }

.chip {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; color: var(--cyan);
  border: 1px solid var(--cyan-soft);
  background: rgba(56, 225, 255, 0.08);
  padding: 4px 10px; border-radius: 999px;
  letter-spacing: 1px;
}

.text-glow { text-shadow: 0 0 18px var(--cyan-soft), 0 0 42px rgba(153, 29, 133, 0.5); }

/* ---------- 顶部品牌条 ---------- */
.brandbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
}
.brandbar .logo { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-dim); letter-spacing: 1px; }
.brandbar .logo img { width: 30px; height: 30px; }
.brandbar-right { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.brandbar .exit-btn {
  height: 30px; padding: 0 14px; border-radius: 15px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text); font-size: 12px; font-weight: 600; letter-spacing: 1px;
  cursor: pointer;
}
.brandbar .exit-btn:active { transform: scale(0.94); }
.icon-btn {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--text); font-size: 16px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.icon-btn:active { transform: scale(0.92); }
.icon-btn.off { color: var(--text-dim); opacity: 0.6; }

/* ============================================================
 * 模块一：登录
 * ============================================================ */
#screen-login { justify-content: flex-start; }

.hero { text-align: center; margin-top: 6px; position: relative; }
.hero .mascot {
  width: 148px; height: 148px; margin: 0 auto;
  filter: drop-shadow(0 0 26px rgba(153, 29, 133, 0.65));
  animation: floaty 3.6s ease-in-out infinite;
}
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

.hero h1 {
  margin-top: 4px;
  font-size: 40px; font-weight: 900; letter-spacing: 4px;
  background: linear-gradient(180deg, #fff 20%, #b8e6ff 55%, var(--cyan) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0px 16px rgba(56, 225, 255, 0.45));
}
.hero .subtitle {
  margin-top: 8px; font-size: 13px; color: var(--text-dim); letter-spacing: 3px;
}
.hero .subtitle b { color: var(--green); font-weight: 700; }

.login-card {
  margin-top: 22px;
  background: var(--bg-panel);
  border: 1px solid rgba(153, 29, 133, 0.35);
  border-radius: 18px;
  padding: 22px 18px 18px;
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}
.field { margin-bottom: 16px; }
.field label {
  display: flex; justify-content: space-between;
  font-size: 12px; color: var(--text-dim); letter-spacing: 2px; margin-bottom: 7px;
}
.field label .req { color: var(--purple-light); }
.field input {
  width: 100%; height: 48px;
  background: rgba(7, 2, 24, 0.66);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  color: var(--text); font-size: 16px; font-family: var(--font);
  padding: 0 14px; letter-spacing: 1px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field input::placeholder { color: rgba(167, 158, 201, 0.45); font-size: 13px; letter-spacing: 0; }
.field input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(56, 225, 255, 0.14);
}
.field .err { display: none; margin-top: 6px; font-size: 11px; color: var(--danger); }
.field.invalid input { border-color: var(--danger); }
.field.invalid .err { display: block; }

/* Company ID 命中名单后的用户名提示 */
.name-found {
  display: none;
  margin-top: 8px; padding: 8px 12px;
  font-size: 13px; color: var(--green);
  background: rgba(120, 190, 32, 0.1);
  border: 1px solid rgba(120, 190, 32, 0.35);
  border-radius: 10px;
}
.name-found.show { display: block; animation: nameIn 0.25s ease; }
.name-found .ok { font-weight: 900; margin-right: 4px; }
.name-found b { color: #fff; }
@keyframes nameIn { from { opacity: 0; transform: translateY(-4px); } }

.login-tip {
  margin-top: 14px; text-align: center;
  font-size: 11px; color: var(--text-dim); line-height: 1.7;
}
.login-tip .k { color: var(--cyan); }

/* ============================================================
 * 模块二：大厅
 * ============================================================ */
.lobby-title {
  display: flex; align-items: baseline; gap: 10px;
  margin: 8px 2px 18px;
}
.lobby-title h2 { font-size: 30px; font-weight: 800; letter-spacing: 2px; }
.lobby-title span { font-size: 14px; color: var(--text-dim); }

.level-card {
  display: flex; align-items: center; gap: 16px;
  background: var(--bg-panel);
  border: 1px solid rgba(56, 225, 255, 0.22);
  border-radius: var(--radius);
  padding: 22px 20px;
  margin-bottom: 18px;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.2s, box-shadow 0.2s;
  position: relative; overflow: hidden;
}
.level-card:active { transform: scale(0.98); }
.level-card.locked { opacity: 0.55; cursor: not-allowed; }
.level-card .lv-badge {
  flex: none;
  width: 68px; height: 68px; border-radius: 16px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--card-risk-1), var(--card-risk-3));
  border: 1px solid rgba(153, 29, 133, 0.55);
  box-shadow: 0 0 18px rgba(153, 29, 133, 0.28);
}
.level-card .lv-badge b { font-size: 24px; color: #fff; }
.level-card .lv-badge i { font-style: normal; font-size: 11px; color: var(--cyan); letter-spacing: 1px; }
.level-card .lv-info { flex: 1; min-width: 0; }
.level-card .lv-info h3 { font-size: 19px; margin-bottom: 6px; }
.level-card .lv-info p { font-size: 14px; color: var(--text-dim); line-height: 1.65; }
/* 第一关描述：三行居中（风险卡 / 与 / 安全卡） */
.lv-desc {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  text-align: center; padding: 2px 0;
}
.lv-desc-time { font-size: 12px; font-weight: 700; color: var(--cyan); letter-spacing: 2px; }
.lv-desc-and { font-size: 13px; line-height: 1; color: var(--text-dim); }
.lv-desc-goal { font-size: 12px; color: var(--text-dim); letter-spacing: 2px; }
.level-card .lv-state {
  flex: none; font-size: 13px; font-weight: 700;
  padding: 7px 12px; border-radius: 999px;
}
.level-card .lv-state.todo { color: var(--cyan); background: rgba(56, 225, 255, 0.1); }
.level-card .lv-state.done { color: var(--green); background: rgba(120, 190, 32, 0.12); }
.level-card .lv-state.lock { color: var(--text-dim); background: rgba(255, 255, 255, 0.06); }
.level-card .lv-state.submitted { color: #e3b7ec; background: rgba(153, 29, 133, 0.22); }
/* 已提交成绩：全部关卡置灰禁用（每人仅可参与一次） */
.level-card.played { opacity: 0.5; cursor: not-allowed; filter: saturate(0.55); }
.level-card.played:active { transform: none; }

/* 大厅：已完成挑战提示条 */
.lobby-played {
  display: flex; align-items: center; gap: 12px;
  background: linear-gradient(135deg, rgba(153, 29, 133, 0.28), rgba(56, 225, 255, 0.07));
  border: 1px solid rgba(227, 183, 236, 0.35);
  border-radius: 14px; padding: 12px 14px; margin-bottom: 14px;
}
.lobby-played .lp-ico { font-size: 26px; line-height: 1; }
.lobby-played .lp-text { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.lobby-played .lp-text b { font-size: 15px; color: #fff; letter-spacing: 0.5px; }
.lobby-played .lp-text span { font-size: 12px; color: #d9d2f2; line-height: 1.5; }

/* 第三关 NEW 闪亮徽章 */
.lv-new {
  position: absolute; top: 12px; right: 12px; z-index: 2;
  display: inline-flex; align-items: center;
  height: 22px; padding: 0 10px;
  border-radius: 999px;
  font-size: 10.5px; font-weight: 900; letter-spacing: 1.5px; color: #fff;
  background: linear-gradient(135deg, #ff5d7a, #ff9a3d);
  box-shadow: 0 0 14px rgba(255, 93, 122, 0.75), inset 0 1px 0 rgba(255, 255, 255, 0.45);
  animation: newShine 1.1s ease-in-out infinite;
  pointer-events: none;
}
@keyframes newShine {
  0%, 100% { transform: scale(1); filter: brightness(1); }
  50% { transform: scale(1.12); filter: brightness(1.3); }
}

/* 卡片类型高亮标签：赢创紫 = 风险场景卡，白 = 安全应对卡 */
.hl-risk, .hl-safe {
  display: inline-block;
  font-weight: 800;
  padding: 1px 7px;
  margin: 0 1px;
  border-radius: 6px;
  white-space: nowrap;
}
.hl-risk {
  color: #f2b3e8;
  background: rgba(153, 29, 133, 0.55);
  border: 1px solid rgba(153, 29, 133, 0.95);
  box-shadow: 0 0 12px rgba(153, 29, 133, 0.45);
  text-shadow: 0 0 8px rgba(153, 29, 133, 0.8);
}
.hl-safe {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.75);
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.22);
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.35);
}

/* ============================================================
 * 模块二：游戏
 * ============================================================ */
#screen-game { padding: 12px 12px calc(12px + env(safe-area-inset-bottom)); }

.game-hud {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 10px;
}
.hud-box {
  flex: 1;
  background: rgba(7, 2, 24, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 7px 10px;
  text-align: center;
}
.hud-box .k { font-size: 9.5px; color: var(--text-dim); letter-spacing: 1.5px; }
.hud-box .v { font-size: 19px; font-weight: 800; font-variant-numeric: tabular-nums; }
.hud-box.time .v { color: var(--cyan); }
.hud-box.time.warn .v { color: var(--danger); animation: blink 0.8s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0.35; } }
.hud-box.score .v { color: var(--gold); }
.hud-box.combo .v { color: var(--green); }

.game-progress {
  height: 5px; border-radius: 99px;
  background: rgba(255, 255, 255, 0.1);
  margin-bottom: 12px; overflow: hidden;
}
.game-progress i {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  border-radius: 99px;
  transition: width 0.35s ease;
}

.game-hint {
  flex: none;
  text-align: center; font-size: 11px; color: var(--text-dim);
  letter-spacing: 1px; margin-bottom: 10px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  flex: 1;
  min-height: 0;
}

.card {
  position: relative;
  height: 100%;
  align-self: center;
  max-height: 170px;
  border-radius: 12px;
  cursor: pointer;
  padding: 10px 8px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.2s, opacity 0.3s;
  animation: cardIn 0.35s backwards;
}
@keyframes cardIn { from { opacity: 0; transform: scale(0.6) rotateY(60deg); } }

.card.risk {
  background: linear-gradient(160deg, var(--card-risk-1), var(--card-risk-2) 55%, var(--card-risk-3));
  border: 1px solid rgba(194, 119, 182, 0.55);
  color: #fbeef9;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22), 0 3px 10px rgba(153, 29, 133, 0.35);
}
.card.safe {
  background: linear-gradient(160deg, #ffffff, #e6e9f5);
  border: 1px solid rgba(116, 14, 94, 0.35);
  color: #4c1d5e;
  box-shadow: inset 0 1px 0 #fff, 0 3px 10px rgba(0, 0, 0, 0.25);
}
.card .ico { font-size: 24px; margin-bottom: 6px; line-height: 1; }
.card .txt {
  font-size: 12.5px; line-height: 1.32; font-weight: 700;
  display: block; overflow: hidden;
  overflow-wrap: break-word; word-break: break-word;
  flex: 1 1 auto; min-height: 0; width: 100%;
}
.card.safe .txt { font-size: 12px; color: var(--purple); }

/* 第一关 3 列（3+3+4）：卡片更宽，图标与文字相应放大 */
.card-grid.cols-3 .card .ico { font-size: 26px; margin-bottom: 7px; }
.card-grid.cols-3 .card .txt { font-size: 14.5px; }
.card-grid.cols-3 .card.safe .txt { font-size: 14px; }

/* 短屏（小手机，如 iPhone SE）：卡片内容紧凑，避免文字溢出 */
@media (max-height: 700px) {
  .card { padding: 8px 6px; }
  .card .ico { font-size: 19px; margin-bottom: 4px; }
  .card .txt { font-size: 10.5px; }
  .card.safe .txt { font-size: 10px; }
  /* 第一关 3 列卡片更宽，短屏下也比 4 列略大 */
  .card-grid.cols-3 .card .ico { font-size: 22px; margin-bottom: 5px; }
  .card-grid.cols-3 .card .txt { font-size: 12.5px; }
  .card-grid.cols-3 .card.safe .txt { font-size: 12px; }
}

.card.selected {
  transform: scale(1.06);
  box-shadow: 0 0 0 2.5px var(--green), 0 0 22px var(--green-glow);
  z-index: 2;
}
.card.wrong { animation: shake 0.4s; box-shadow: 0 0 0 2.5px var(--danger), 0 0 18px rgba(255, 93, 122, 0.5); }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); } 40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); } 80% { transform: translateX(4px); }
}
.card.matched {
  animation: pop 0.4s forwards;
  pointer-events: none;
}
@keyframes pop {
  40% { transform: scale(1.14); box-shadow: 0 0 0 3px var(--green), 0 0 26px var(--green-glow); }
  100% { transform: scale(0.5) rotate(6deg); opacity: 0; }
}

/* 连击飘字 */
.float-tip {
  position: absolute; left: 50%; top: 38%;
  transform: translate(-50%, -50%);
  font-size: 22px; font-weight: 900; color: var(--green);
  text-shadow: 0 0 16px var(--green-glow), 0 2px 6px rgba(0,0,0,.5);
  pointer-events: none; z-index: 5;
  animation: floatUp 0.9s forwards;
}
.float-tip.bad { color: var(--danger); text-shadow: 0 0 16px rgba(255, 93, 122, 0.6); }
@keyframes floatUp {
  0% { opacity: 0; transform: translate(-50%, -30%) scale(0.6); }
  25% { opacity: 1; transform: translate(-50%, -55%) scale(1.15); }
  100% { opacity: 0; transform: translate(-50%, -130%) scale(1); }
}

/* ---------- 弹层：锦囊 / 结算 ---------- */
.modal-mask {
  position: absolute; inset: 0; z-index: 20;
  background: rgba(4, 1, 14, 0.78);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s;
}
.modal-mask.show { opacity: 1; pointer-events: auto; }

.modal {
  width: 100%; max-width: 340px;
  background: linear-gradient(170deg, #24104e, #150933);
  border: 1px solid rgba(56, 225, 255, 0.3);
  border-radius: 18px;
  padding: 24px 20px 20px;
  text-align: center;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.6), 0 0 40px rgba(153, 29, 133, 0.25);
  transform: scale(0.85) translateY(10px);
  transition: transform 0.28s cubic-bezier(0.2, 1.4, 0.4, 1);
  max-height: 82%;
  overflow-y: auto;
}
.modal-mask.show .modal { transform: none; }
.modal .m-ico { font-size: 40px; margin-bottom: 10px; }
.modal h3 { font-size: 19px; letter-spacing: 2px; margin-bottom: 10px; }
.modal h3 .hl { color: var(--cyan); }
.modal p { font-size: 13px; color: #d9d2f2; line-height: 1.75; text-align: left; }
.modal .btn { margin-top: 18px; }
.modal .pw-cid { color: var(--cyan); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: 1px; }
.modal.shake { animation: shake 0.4s ease; }

/* 结算 */
.result-grade {
  font-size: 64px; font-weight: 900; line-height: 1;
  background: linear-gradient(180deg, #fff, var(--gold));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 22px rgba(255, 209, 102, 0.5));
}
.result-rows { margin: 16px 0 6px; }
.result-row {
  display: flex; justify-content: space-between;
  font-size: 13px; padding: 9px 2px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.12);
}
.result-row .k { color: var(--text-dim); }
.result-row .v { font-weight: 700; font-variant-numeric: tabular-nums; }
.result-row .v.hl { color: var(--gold); font-size: 15px; }
.result-player {
  margin: -2px 0 4px;
  font-size: 15px; font-weight: 700; color: #fff;
}
.result-player small {
  display: block; margin-top: 2px;
  font-size: 11px; font-weight: 400; color: var(--text-dim);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}

/* ============================================================
 * 模块三：应用内排行榜
 * ============================================================ */
.rank-head {
  display: flex; align-items: center; gap: 10px;
  margin: 4px 2px 12px;
}
.rank-head .trophy { font-size: 26px; }
.rank-head h2 { font-size: 22px; font-weight: 800; letter-spacing: 2px; flex: 1; }
.rank-head .live {
  font-size: 10px; color: var(--green); letter-spacing: 1px;
  display: flex; align-items: center; gap: 5px;
}
.rank-head .live::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 8px var(--green);
  animation: blink 1.4s infinite;
}

.my-rank-bar {
  display: flex; align-items: center; gap: 10px;
  background: linear-gradient(90deg, rgba(120, 190, 32, 0.14), rgba(153, 29, 133, 0.14));
  border: 1px solid rgba(120, 190, 32, 0.4);
  border-radius: 12px;
  padding: 10px 12px;
  margin-bottom: 12px;
  font-size: 13px;
}
.my-rank-bar .rno {
  font-size: 18px; font-weight: 900; color: var(--green);
  min-width: 34px; text-align: center;
}

.rank-list { display: flex; flex-direction: column; gap: 7px; padding-bottom: 10px; }
.rank-row {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-panel);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 12px;
  padding: 9px 12px;
}
.rank-row.top1 { border-color: rgba(255, 209, 102, 0.55); background: linear-gradient(90deg, rgba(255, 209, 102, 0.13), var(--bg-panel)); }
.rank-row.top2 { border-color: rgba(203, 213, 225, 0.4); }
.rank-row.top3 { border-color: rgba(217, 119, 6, 0.45); }
.rank-row.me { border-color: var(--green); box-shadow: 0 0 14px rgba(120, 190, 32, 0.2); }
.rank-row .rno {
  min-width: 30px; text-align: center;
  font-size: 15px; font-weight: 900; color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}
.rank-row.top1 .rno { color: var(--gold); }
.rank-row.top2 .rno { color: #cbd5e1; }
.rank-row.top3 .rno { color: #d97706; }
.rank-row .av {
  width: 30px; height: 30px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; flex: none;
}
.rank-row .who { flex: 1; min-width: 0; }
.rank-row .who b { display: block; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rank-row .who small { font-size: 10px; color: var(--text-dim); }
.rank-row .sc { text-align: right; flex: none; }
.rank-row .sc b { display: block; font-size: 14px; color: var(--gold); font-variant-numeric: tabular-nums; }
.rank-row .sc small { font-size: 10px; color: var(--text-dim); }

.rank-empty {
  text-align: center; color: var(--text-dim);
  font-size: 13px; padding: 46px 0; line-height: 2;
}
.rank-empty .big { font-size: 40px; }

/* 帮助手册弹层 */
.help-list { text-align: left; }
.help-list li {
  font-size: 12.5px; color: #d9d2f2; line-height: 1.8;
  margin-bottom: 10px; list-style: none;
  display: flex; gap: 8px;
}
.help-list li::before { content: "◆"; color: var(--cyan); flex: none; font-size: 10px; line-height: 2.1; }

/* Toast */
.toast {
  position: absolute; left: 50%; bottom: 12%;
  transform: translateX(-50%);
  background: rgba(10, 4, 30, 0.92);
  border: 1px solid rgba(56, 225, 255, 0.35);
  color: var(--text);
  font-size: 13px;
  padding: 11px 20px; border-radius: 999px;
  z-index: 50;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  white-space: nowrap;
  max-width: 88%; overflow: hidden; text-overflow: ellipsis;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(-8px); }

/* 桌面端：手机外框预览 */
@media (min-width: 520px) {
  body { padding: 20px 0; }
  #app {
    height: min(880px, calc(100dvh - 40px));
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.6);
  }
}

/* 短屏适配（小手机 / 横屏 / 桌面预览）：压缩登录页头部，保证按钮可见 */
@media (max-height: 760px) {
  .hero .mascot { width: 104px; height: 104px; }
  .hero h1 { font-size: 32px; margin-top: 2px; }
  .hero .subtitle { margin-top: 5px; font-size: 12px; }
  .login-card { margin-top: 12px; padding: 16px 16px 14px; }
  .login-card .field { margin-bottom: 11px; }
  .login-card .field input { height: 44px; }
  .login-tip { margin-top: 10px; }
  #screen-login { justify-content: flex-start; }
}
@media (max-height: 620px) {
  .hero .mascot { width: 82px; height: 82px; }
  .hero h1 { font-size: 27px; }
  .hero .subtitle { display: none; }
  .login-card { margin-top: 8px; }
}