/* ============================================================
 * 游戏化学习层（学生端）· platform 接入版
 * 作用域：所有规则限定在 .gz-root 内，避免与 style.css 既有
 *         类名（.tag / .scene / .gcard / .rp-* 等）冲突。
 * 依赖：css/style.css 的 :root 变量与 .glass / .btn / .sec-title 等
 * ============================================================ */

/* ---------- 游戏层 Token（追加到根，供地形图与游戏共用） ---------- */
:root {
  --lv: #7c3aed;
  --lv-2: #a855f7;
  --grad-xp: linear-gradient(90deg, #22c55e 0%, #f59e0b 55%, #2563eb 100%);
  --grad-lv: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
  --terr-locked: #94a3b8;
  --terr-available: #2563eb;
  --terr-progress: #f59e0b;
  --terr-master: #10b981;
  --terr-legend: #8b5cf6;
  --terr-locked-bg: rgba(148, 163, 184, .12);
  --terr-progress-bg: rgba(245, 158, 11, .14);
  --terr-master-bg: rgba(16, 185, 129, .14);
  --terr-legend-bg: linear-gradient(135deg, rgba(139,92,246,.18), rgba(167,139,250,.28));
}
[data-theme="dark"] {
  --terr-locked-bg: rgba(148, 163, 184, .10);
  --terr-progress-bg: rgba(251, 191, 36, .16);
  --terr-master-bg: rgba(16, 185, 129, .16);
  --terr-legend-bg: linear-gradient(135deg, rgba(139,92,246,.22), rgba(167,139,250,.32));
}

.gz-root { position: relative; }

/* ============================================================
 * 1. 等级 / 经验 HUD
 * ============================================================ */
.gz-root .game-hud {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 14px 18px; border-radius: 16px; margin-bottom: 14px;
  background: var(--card); border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px) saturate(160%); box-shadow: var(--shadow);
}
.gz-root .lv-badge {
  position: relative; width: 52px; height: 52px; border-radius: 50%; flex: none;
  background: var(--grad-lv); color: #fff; display: grid; place-items: center;
  box-shadow: 0 6px 18px rgba(124, 58, 237, .35); font-weight: 800; line-height: 1;
}
.gz-root .lv-badge b { font-size: 18px; }
.gz-root .lv-badge span { font-size: 9px; opacity: .9; letter-spacing: .5px; display: block; text-align: center; }
.gz-root .lv-badge::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid rgba(168, 85, 247, .4); }
.gz-root .xp-wrap { min-width: 160px; flex: 1 1 160px; }
.gz-root .xp-top { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.gz-root .xp-top b { color: var(--text); }
.gz-root .xp-bar { height: 10px; border-radius: 999px; background: rgba(127, 127, 127, .18); overflow: hidden; }
.gz-root .xp-bar > i {
  display: block; height: 100%; border-radius: 999px;
  background: var(--grad-xp); background-size: 200% 100%; animation: gzXpFlow 3s linear infinite;
}
@keyframes gzXpFlow { from { background-position: 0 0; } to { background-position: 200% 0; } }
.gz-root .hud-stat {
  background: var(--card-solid); border: 1px solid var(--border); border-radius: 12px;
  padding: 6px 14px; font-size: 13px; color: var(--muted); font-weight: 600; white-space: nowrap;
}
.gz-root .hud-stat b { color: var(--text); font-size: 16px; }

/* ============================================================
 * 2. 小鲁班（v3 二次元位图 · 多表情）
 *    2026-09-23：由手绘 SVG 换为位图。半身像 200×220 透明底，
 *    bottom 对齐让角色始终「站」在槽位底部（与原 SVG 的脚底投影一致）
 * ============================================================ */
.gz-root .luban-slot { position: relative; width: 96px; height: 112px; flex: none; }
.gz-root .luban-figure { width: 100%; height: 100%; }
.gz-root .luban-figure img.luban-pic { width: 100%; height: 100%; display: block;
  object-fit: contain; object-position: center bottom;
  transition: transform .35s cubic-bezier(0.16, 1, 0.3, 1); transform-origin: 50% 88%; }
.gz-root .luban-slot:hover .luban-figure img.luban-pic { transform: scale(1.07) rotate(-1.5deg); }
.gz-root .luban-figure.luban-nod { animation: gzLbNod .7s cubic-bezier(0.34, 1.56, 0.64, 1); }
@keyframes gzLbNod { 0% { transform: rotate(0); } 28% { transform: rotate(-7deg); } 62% { transform: rotate(5deg); } 100% { transform: rotate(0); } }
.gz-root .luban-figure[data-face="cheer"] { animation: gzLbHop .62s ease infinite; }
@keyframes gzLbHop { 0%, 100% { transform: translateY(0) scale(1); } 50% { transform: translateY(-7px) scale(1.06); } }
.gz-root .luban-bubble {
  position: absolute; left: 50%; bottom: calc(100% + 10px); transform: translateX(-50%);
  min-width: 168px; max-width: 268px; padding: 10px 13px; border-radius: 14px 14px 14px 4px;
  background: var(--card-solid); border: 1px solid var(--accent); color: var(--text);
  font-size: 12.5px; line-height: 1.55; box-shadow: 0 14px 34px rgba(15, 23, 42, .2);
  opacity: 0; pointer-events: none; transition: opacity .22s, transform .22s; z-index: 5;
}
.gz-root .luban-bubble.show { opacity: 1; transform: translateX(-50%) translateY(-3px); }
.gz-root .coach { display: flex; flex-direction: column; align-items: center; gap: 5px; text-align: center; }
.gz-root .coach .co-name { font-weight: 800; font-size: 14.5px; }
.gz-root .coach .co-role { font-size: 12px; color: var(--muted); }

/* ============================================================
 * 3. 首页 · 学习进度地形图（游戏化关卡地图）
 * ============================================================ */
.gz-root .map-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }
.gz-root .map-legend { display: flex; gap: 8px; flex-wrap: wrap; margin-left: auto; }
.gz-root .map-legend .lg {
  font-size: 12px; padding: 4px 12px; border-radius: 999px; display: inline-flex; align-items: center; gap: 6px;
  background: var(--card-solid); border: 1px solid var(--border); color: var(--muted);
}
.gz-root .map-legend .lg i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.gz-root .lg.locked i { background: var(--terr-locked); }
.gz-root .lg.available i { background: var(--terr-available); }
.gz-root .lg.progress i { background: var(--terr-progress); }
.gz-root .lg.master i { background: var(--terr-master); }
.gz-root .lg.legend i { background: linear-gradient(135deg, #8b5cf6, #a78bfa); }

.gz-root .terrain {
  position: relative; margin-top: 14px; padding: 22px 18px 24px; border-radius: 20px; overflow: hidden;
  background:
    radial-gradient(700px 360px at 12% 0%, rgba(37, 99, 235, .10), transparent 60%),
    radial-gradient(600px 320px at 92% 100%, rgba(124, 58, 247, .10), transparent 60%),
    var(--card);
  border: 1px solid var(--border); box-shadow: var(--shadow);
}
.gz-root .terrain::before {
  content: ""; position: absolute; inset: 0; opacity: .5; pointer-events: none;
  background-image: linear-gradient(rgba(15, 23, 42, .05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(15, 23, 42, .05) 1px, transparent 1px);
  background-size: 28px 28px;
}
[data-theme="dark"] .gz-root .terrain::before {
  background-image: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
}
.gz-root .terr-grid { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gz-root .terr-node {
  position: relative; border-radius: 18px; padding: 18px 16px 16px; cursor: pointer;
  background: var(--card-solid); border: 1.5px solid var(--border);
  box-shadow: 0 8px 22px rgba(15, 23, 42, .08);
  transition: transform .2s, box-shadow .2s, border-color .2s; overflow: hidden;
}
.gz-root .terr-node:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(15, 23, 42, .16); }
.gz-root .terr-node .tn-ico { font-size: 28px; }
.gz-root .terr-node .tn-no { position: absolute; top: 12px; right: 14px; font-size: 11px; font-weight: 800; color: var(--muted); }
.gz-root .terr-node h3 { margin: 8px 0 4px; font-size: 15.5px; color: var(--text); }
.gz-root .terr-node p { margin: 0; font-size: 12.5px; color: var(--muted); line-height: 1.55; }
.gz-root .tn-bar { height: 7px; border-radius: 999px; background: rgba(127, 127, 127, .18); margin-top: 12px; overflow: hidden; }
.gz-root .tn-bar > i { display: block; height: 100%; border-radius: 999px; transition: width .6s ease; }
.gz-root .tn-tag {
  display: inline-block; margin-top: 10px; font-size: 11px; font-weight: 700;
  padding: 2px 10px; border-radius: 999px; background: rgba(148, 163, 184, .18); color: var(--muted);
}
.gz-root .terr-node.locked { opacity: .74; }
.gz-root .terr-node.locked .tn-ico { filter: grayscale(1); }
.gz-root .terr-node.available { border-color: rgba(37, 99, 235, .4); }
.gz-root .terr-node.available .tn-bar > i { background: var(--terr-available); }
.gz-root .terr-node.available .tn-tag { background: rgba(37, 99, 235, .14); color: var(--primary); }
.gz-root .terr-node.progress { border-color: rgba(245, 158, 11, .5); }
.gz-root .terr-node.progress::after {
  content: ""; position: absolute; inset: -2px; border-radius: 18px; pointer-events: none;
  animation: gzTerrPulse 2s infinite;
}
@keyframes gzTerrPulse {
  0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, .45); }
  70% { box-shadow: 0 0 0 12px rgba(245, 158, 11, 0); }
  100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}
.gz-root .terr-node.progress .tn-bar > i { background: var(--terr-progress); }
.gz-root .terr-node.progress .tn-tag { background: rgba(245, 158, 11, .16); color: #b45309; }
.gz-root .terr-node.master { border-color: rgba(16, 185, 129, .5); }
.gz-root .terr-node.master .tn-bar > i { background: var(--terr-master); }
.gz-root .terr-node.master .tn-tag { background: rgba(16, 185, 129, .16); color: #047857; }
.gz-root .terr-node.legend {
  border-color: transparent; background: var(--terr-legend-bg);
  box-shadow: 0 0 0 2px rgba(139, 92, 246, .5), 0 16px 40px rgba(139, 92, 246, .26);
}
.gz-root .terr-node.legend .tn-bar > i { background: linear-gradient(135deg, #8b5cf6, #a78bfa); }
.gz-root .terr-node.legend .tn-tag { background: linear-gradient(135deg, #8b5cf6, #a78bfa); color: #fff; }
[data-theme="dark"] .gz-root .terr-node.progress .tn-tag { color: #fcd34d; }
[data-theme="dark"] .gz-root .terr-node.master .tn-tag { color: #6ee7b7; }
[data-theme="dark"] .gz-root .terr-node.available .tn-tag { color: #93c5fd; }

/* ============================================================
 * 4. 通用小件
 * ============================================================ */
.gz-root .crumb { font-size: 13px; color: var(--muted); margin-bottom: 12px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.gz-root .crumb a { color: var(--primary); cursor: pointer; }
.gz-root .crumb .sep { opacity: .5; }
.gz-root .tag {
  font-size: 11.5px; font-weight: 700; padding: 3px 11px; border-radius: 999px;
  background: var(--grad-soft); color: var(--primary); display: inline-block;
}
.gz-root .tag.amber { background: rgba(245, 158, 11, .16); color: #b45309; }
.gz-root .tag.green { background: rgba(16, 185, 129, .16); color: #047857; }
.gz-root .tag.violet { background: rgba(124, 58, 237, .14); color: #6d28d9; }
[data-theme="dark"] .gz-root .tag { color: #93c5fd; }
[data-theme="dark"] .gz-root .tag.amber { color: #fcd34d; }
[data-theme="dark"] .gz-root .tag.green { color: #6ee7b7; }
[data-theme="dark"] .gz-root .tag.violet { color: #c4b5fd; }

.gz-root .scene {
  display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border-radius: 16px;
  background: linear-gradient(135deg, rgba(37, 99, 235, .09), rgba(6, 182, 212, .09));
  border: 1px dashed rgba(37, 99, 235, .35); font-size: 13.5px; line-height: 1.7; color: var(--text);
}
.gz-root .scene .sc-ico { font-size: 20px; flex: none; }
.gz-root .scene b { color: var(--primary); }
.gz-root .tipbar {
  display: flex; gap: 9px; align-items: flex-start; padding: 11px 14px; border-radius: 13px;
  font-size: 12.5px; line-height: 1.65; background: rgba(37, 99, 235, .07);
  border: 1px dashed rgba(37, 99, 235, .3); color: var(--text); margin-top: 12px;
}
.gz-root .tipbar.warn { background: rgba(245, 158, 11, .1); border-color: rgba(245, 158, 11, .45); }
.gz-root .tipbar.ok { background: rgba(16, 185, 129, .1); border-color: rgba(16, 185, 129, .4); }
.gz-root .stage { display: grid; grid-template-columns: minmax(0, 1fr) 262px; gap: 18px; align-items: start; }
.gz-root .side-card {
  padding: 16px; border-radius: 16px; background: var(--card); border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px) saturate(160%); box-shadow: var(--shadow);
}
.gz-root .side-card + .side-card { margin-top: 14px; }
.gz-root .side-card h4 { margin: 0 0 10px; font-size: 14px; color: var(--text); }
.gz-root .side-card ol, .gz-root .side-card ul { margin: 0; padding-left: 18px; font-size: 12.5px; color: var(--muted); line-height: 1.85; }
.gz-root .rank-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 7px; font-size: 13px; }
.gz-root .rank-list li { display: flex; align-items: center; gap: 9px; padding: 7px 10px; border-radius: 11px; background: rgba(127, 127, 127, .07); color: var(--text); }
.gz-root .rank-list .rk { width: 21px; height: 21px; border-radius: 7px; display: grid; place-items: center; font-weight: 800; font-size: 11.5px; background: var(--grad-soft); color: var(--primary); flex: none; }
.gz-root .rank-list li.me { background: rgba(37, 99, 235, .1); font-weight: 700; }
.gz-root .rank-list .rk-sc { margin-left: auto; font-weight: 800; color: var(--primary); }
.gz-root .act-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }

/* ============================================================
 * 5. 游戏大厅
 * ============================================================ */
.gz-root .gcard-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(258px, 1fr)); gap: 16px; margin-top: 16px; }
.gz-root .gcard {
  position: relative; display: flex; flex-direction: column; gap: 8px; padding: 18px 18px 16px;
  border-radius: 20px; cursor: pointer; overflow: hidden; text-align: left; font-family: inherit;
  background: var(--card-solid); border: 1.5px solid var(--border); color: var(--text);
  transition: transform .2s cubic-bezier(.16, 1, .3, 1), box-shadow .2s, border-color .2s;
}
.gz-root .gcard:hover { transform: translateY(-5px); box-shadow: 0 18px 42px rgba(15, 23, 42, .15); border-color: rgba(37, 99, 235, .4); }
.gz-root .gcard::before { content: ""; position: absolute; inset: 0 0 auto; height: 4px; background: var(--grad-hero); }
.gz-root .gcard .gc-ico { width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; font-size: 26px; background: var(--grad-soft); }
.gz-root .gcard h3 { margin: 4px 0 2px; font-size: 16.5px; color: var(--text); }
.gz-root .gcard p { margin: 0; font-size: 12.5px; color: var(--muted); line-height: 1.6; min-height: 42px; }
.gz-root .gcard .gc-meta { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 4px; }
.gz-root .gcard .gc-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 10px; font-size: 12px; color: var(--muted); font-weight: 600; }
.gz-root .gcard .gc-progress { height: 6px; border-radius: 999px; background: rgba(127, 127, 127, .18); overflow: hidden; margin-top: 6px; }
.gz-root .gcard .gc-progress > i { display: block; height: 100%; border-radius: 999px; background: var(--grad-xp); }
.gz-root .gcard.hot::after { content: "热门"; position: absolute; top: 12px; right: 14px; font-size: 10.5px; font-weight: 800; padding: 2px 9px; border-radius: 999px; background: linear-gradient(135deg, #f59e0b, #fbbf24); color: #442c04; }
.gz-root .gcard.done::after { content: "✓ 已通关"; position: absolute; top: 12px; right: 14px; font-size: 10.5px; font-weight: 800; padding: 2px 9px; border-radius: 999px; background: rgba(16, 185, 129, .16); color: #047857; }
.gz-root .gcard.locked { opacity: .66; cursor: not-allowed; }
.gz-root .gcard.locked::before { background: var(--terr-locked); }
.gz-root .gcard.locked .gc-ico { filter: grayscale(1); }
.gz-root .gcard.locked::after { content: "🔒"; position: absolute; top: 12px; right: 14px; font-size: 15px; }
[data-theme="dark"] .gz-root .gcard.done::after { color: #6ee7b7; }

/* ============================================================
 * 6. 对战 HUD / 计时环 / 连击
 * ============================================================ */
.gz-root .battle-hud {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap; position: relative;
  padding: 14px 18px; border-radius: 18px; background: var(--card); border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px) saturate(160%); box-shadow: var(--shadow);
}
.gz-root .bh-item { display: flex; flex-direction: column; gap: 2px; }
.gz-root .bh-item span { font-size: 11.5px; color: var(--muted); font-weight: 600; }
.gz-root .bh-item b { font-size: 21px; line-height: 1.1; color: var(--text); }
.gz-root .bh-item b.hi { color: var(--primary); }
.gz-root .bh-item b.warn { color: #ef4444; }
.gz-root .bh-grow { flex: 1 1 120px; }
.gz-root .ring { position: relative; width: 86px; height: 86px; flex: none; margin-left: auto; }
.gz-root .ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.gz-root .ring .ring-bg { fill: none; stroke: rgba(127, 127, 127, .18); stroke-width: 9; }
.gz-root .ring .ring-fg { fill: none; stroke: url(#gzRingGrad); stroke-width: 9; stroke-linecap: round; transition: stroke-dashoffset .95s linear; }
.gz-root .ring .ring-txt { position: absolute; inset: 0; display: grid; place-items: center; font-weight: 800; font-size: 20px; color: var(--text); }
.gz-root .ring.danger .ring-txt { color: #ef4444; animation: gzRingPulse .8s ease-in-out infinite; }
@keyframes gzRingPulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.12); } }
.gz-root .combo-pop {
  position: absolute; right: 16px; top: 6px; font-weight: 800; font-size: 21px; color: #f59e0b;
  text-shadow: 0 3px 10px rgba(245, 158, 11, .45); pointer-events: none;
  animation: gzComboUp .95s cubic-bezier(.16, 1, .3, 1) forwards;
}
@keyframes gzComboUp {
  0% { opacity: 0; transform: translateY(10px) scale(.7); }
  25% { opacity: 1; transform: translateY(0) scale(1.15); }
  100% { opacity: 0; transform: translateY(-26px) scale(1); }
}
.gz-root .g-head { display: flex; align-items: flex-start; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.gz-root .g-head .gh-ico { width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center; font-size: 27px; background: var(--grad-soft); border: 1px solid var(--border); flex: none; }
.gz-root .g-head h2 { margin: 0 0 3px; font-size: 20px; color: var(--primary); }
.gz-root .g-head p { margin: 0; font-size: 13px; color: var(--muted); }
.gz-root .g-head .gh-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 7px; }

/* ============================================================
 * 7. 项目卡池（列项大作战）
 * ============================================================ */
.gz-root .pool { display: grid; grid-template-columns: repeat(auto-fill, minmax(228px, 1fr)); gap: 11px; margin-top: 14px; }
.gz-root .pcard {
  position: relative; display: flex; gap: 10px; align-items: flex-start; text-align: left;
  padding: 12px 14px; border-radius: 14px; cursor: pointer; font-family: inherit;
  font-size: 13px; line-height: 1.55; color: var(--text);
  background: var(--card-solid); border: 1.5px solid var(--border);
  transition: transform .16s cubic-bezier(.16, 1, .3, 1), border-color .2s, box-shadow .2s, background .2s;
}
.gz-root .pcard:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(15, 23, 42, .12); }
.gz-root .pcard .pc-box {
  width: 21px; height: 21px; border-radius: 7px; flex: none; margin-top: 1px;
  border: 2px solid #cbd5e1; display: grid; place-items: center; font-size: 13px; color: #94a3b8;
  transition: background .18s, border-color .18s, transform .18s;
}
.gz-root .pcard.on { border-color: var(--primary); background: rgba(37, 99, 235, .07); }
.gz-root .pcard.on .pc-box { background: var(--primary); border-color: var(--primary); color: #fff; transform: scale(1.08) rotate(-6deg); }
.gz-root .pcard.on::after { content: "已选"; position: absolute; top: -8px; right: 10px; font-size: 10px; font-weight: 800; padding: 2px 8px; border-radius: 999px; background: var(--primary); color: #fff; }
.gz-root .pcard.stamp { animation: gzStamp .3s cubic-bezier(.16, 1, .3, 1); }
@keyframes gzStamp { 0% { transform: scale(1); } 45% { transform: scale(.95); } 100% { transform: scale(1); } }
.gz-root .pcard.bad { animation: gzShake .34s; }
@keyframes gzShake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }
.gz-root .pcard.res-ok { border-color: rgba(16, 185, 129, .6); background: rgba(16, 185, 129, .08); }
.gz-root .pcard.res-miss { border-color: rgba(239, 68, 68, .5); background: rgba(239, 68, 68, .06); }
.gz-root .pcard.res-bad { border-color: rgba(245, 158, 11, .55); background: rgba(245, 158, 11, .08); }
.gz-root .pcard.res-skip { opacity: .72; }
.gz-root .pcard.res-ok .pc-box { color: var(--terr-master); border-color: var(--terr-master); }
.gz-root .pcard.res-miss .pc-box { color: #ef4444; border-color: #ef4444; }
.gz-root .pcard.res-bad .pc-box { color: #b45309; border-color: var(--accent); }

/* ============================================================
 * 8. 选项列表（定额寻宝 / Boss）
 * ============================================================ */
.gz-root .opt-list { display: grid; gap: 10px; margin-top: 14px; }
.gz-root .opt {
  display: flex; gap: 12px; align-items: center; text-align: left; cursor: pointer;
  padding: 13px 15px; border-radius: 14px; font-family: inherit; font-size: 13.5px; color: var(--text);
  background: var(--card-solid); border: 1.5px solid var(--border); transition: .18s;
}
.gz-root .opt:hover { transform: translateY(-2px); border-color: rgba(37, 99, 235, .45); box-shadow: 0 10px 22px rgba(15, 23, 42, .1); }
.gz-root .opt .o-key { width: 27px; height: 27px; border-radius: 9px; flex: none; display: grid; place-items: center; font-weight: 800; font-size: 13px; background: var(--grad-soft); color: var(--primary); }
.gz-root .opt .o-body { flex: 1; }
.gz-root .opt .o-body b { display: block; font-size: 13.5px; font-weight: 600; }
.gz-root .opt .o-body i { font-style: normal; font-size: 12px; color: var(--muted); }
.gz-root .opt.ok { border-color: var(--terr-master); background: rgba(16, 185, 129, .1); }
.gz-root .opt.ok .o-key { background: var(--terr-master); color: #fff; }
.gz-root .opt.bad { border-color: #ef4444; background: rgba(239, 68, 68, .08); }
.gz-root .opt.bad .o-key { background: #ef4444; color: #fff; }
.gz-root .opt[disabled] { cursor: default; transform: none; box-shadow: none; }

.gz-root .chest-row { display: flex; gap: 10px; align-items: center; margin-top: 4px; }
.gz-root .chest {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; font-size: 21px;
  background: var(--card-solid); border: 1.5px solid var(--border); transition: .3s;
}
.gz-root .chest.open { background: linear-gradient(135deg, #fde68a, #fbbf24); border-color: #f59e0b; box-shadow: 0 0 0 4px rgba(245, 158, 11, .18); transform: translateY(-3px); }

/* ============================================================
 * 9. 配对（计量连连看）
 * ============================================================ */
.gz-root .match-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 14px; }
.gz-root .mcol { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.gz-root .mcol-body { display: flex; flex-direction: column; gap: 10px; }
.gz-root .mcol-h { font-size: 12px; font-weight: 800; color: var(--muted); padding-left: 4px; letter-spacing: .3px; }
.gz-root .mitem {
  width: 100%; padding: 12px 14px; border-radius: 14px; cursor: pointer; font-family: inherit; font-size: 13.5px;
  text-align: left; color: var(--text); background: var(--card-solid); border: 1.5px solid var(--border);
  transition: .18s; display: flex; align-items: center; gap: 9px;
}
.gz-root .mitem:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(15, 23, 42, .1); }
.gz-root .mitem .mi-ico { font-size: 17px; }
.gz-root .mitem.sel { border-color: var(--primary); background: rgba(37, 99, 235, .08); box-shadow: 0 0 0 3px rgba(37, 99, 235, .14); }
.gz-root .mitem.done { opacity: .42; border-color: var(--terr-master); background: rgba(16, 185, 129, .08); cursor: default; }
.gz-root .mitem.wrong { animation: gzShake .34s; border-color: #ef4444; }

/* ============================================================
 * 10. Boss 战
 * ============================================================ */
.gz-root .boss-stage {
  position: relative; display: flex; gap: 18px; align-items: center; flex-wrap: wrap;
  padding: 18px 20px; border-radius: 20px; margin-bottom: 14px;
  background: radial-gradient(420px 200px at 18% 20%, rgba(239, 68, 68, .14), transparent 70%), var(--card);
  border: 1px solid var(--glass-border); backdrop-filter: blur(18px) saturate(160%); box-shadow: var(--shadow);
}
.gz-root .boss-fig { width: 128px; height: 128px; flex: none; animation: gzBossIdle 3s ease-in-out infinite; }
.gz-root .boss-fig svg { width: 100%; height: 100%; }
@keyframes gzBossIdle { 0%, 100% { transform: translateY(0) rotate(-1.5deg); } 50% { transform: translateY(-7px) rotate(1.5deg); } }
.gz-root .boss-fig.hit { animation: gzBossHit .42s; }
@keyframes gzBossHit {
  0% { transform: translateX(0) scale(1); } 25% { transform: translateX(-9px) scale(.95); }
  55% { transform: translateX(7px) scale(1.03); } 100% { transform: translateX(0) scale(1); }
}
.gz-root .boss-info { flex: 1 1 240px; min-width: 200px; }
.gz-root .boss-info h3 { margin: 0 0 2px; font-size: 18px; color: var(--text); }
.gz-root .boss-info .bo-sub { font-size: 12.5px; color: var(--muted); margin-bottom: 10px; }
.gz-root .boss-hp { height: 16px; border-radius: 999px; background: rgba(127, 127, 127, .18); overflow: hidden; }
.gz-root .boss-hp > i { display: block; height: 100%; width: 100%; border-radius: 999px; background: linear-gradient(90deg, #ef4444, #f97316); transition: width .55s cubic-bezier(.16, 1, .3, 1); }
.gz-root .boss-hp-txt { display: flex; justify-content: space-between; font-size: 11.5px; color: var(--muted); margin-top: 5px; font-weight: 600; }
.gz-root .dmg {
  position: absolute; font-weight: 800; font-size: 24px; color: #ef4444; pointer-events: none;
  text-shadow: 0 3px 10px rgba(239, 68, 68, .4); animation: gzDmgFloat 1s cubic-bezier(.16, 1, .3, 1) forwards;
}
@keyframes gzDmgFloat {
  0% { opacity: 0; transform: translateY(6px) scale(.7); } 20% { opacity: 1; transform: translateY(0) scale(1.1); }
  100% { opacity: 0; transform: translateY(-40px) scale(1); }
}
.gz-root .me-hp { display: flex; align-items: center; gap: 10px; margin-top: 4px; }
.gz-root .me-hp .mh-bar { flex: 1; height: 12px; border-radius: 999px; background: rgba(127, 127, 127, .18); overflow: hidden; }
.gz-root .me-hp .mh-bar > i { display: block; height: 100%; width: 100%; border-radius: 999px; background: linear-gradient(90deg, #22c55e, #06b6d4); transition: width .5s; }

/* ============================================================
 * 11. 结算面板
 * ============================================================ */
.gz-root .rp-hero {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding: 16px 20px; border-radius: 18px;
  background: var(--grad-hero); color: #fff; box-shadow: 0 14px 38px rgba(37, 99, 235, .26); margin-top: 14px;
}
.gz-root .rp-hero .rp-score { font-size: 38px; font-weight: 800; line-height: 1; }
.gz-root .rp-hero .rp-lines { font-size: 13px; }
.gz-root .rp-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 14px 0; }
.gz-root .rp-stat { text-align: center; padding: 12px 8px; border-radius: 14px; background: var(--card-solid); border: 1px solid var(--border); }
.gz-root .rp-stat b { display: block; font-size: 22px; line-height: 1.2; color: var(--text); }
.gz-root .rp-stat span { font-size: 11.5px; color: var(--muted); }
.gz-root .rp-stat.g b { color: var(--terr-master); }
.gz-root .rp-stat.r b { color: #ef4444; }
.gz-root .rp-stat.a b { color: var(--accent); }
.gz-root .rp-stat.p b { color: var(--primary); }
.gz-root .rp-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.gz-root .rp-row { padding: 11px 14px; border-radius: 13px; background: var(--card-solid); border-left: 4px solid var(--border); }
.gz-root .rp-row .rr-h { display: flex; justify-content: space-between; gap: 10px; font-size: 13.5px; font-weight: 700; color: var(--text); }
.gz-root .rp-row .rr-r { font-size: 12.5px; color: var(--muted); line-height: 1.65; margin-top: 4px; }
.gz-root .rp-row.ok { border-left-color: var(--terr-master); }
.gz-root .rp-row.ok .rr-mark { color: var(--terr-master); }
.gz-root .rp-row.miss { border-left-color: #ef4444; }
.gz-root .rp-row.miss .rr-mark { color: #ef4444; }
.gz-root .rp-row.bad { border-left-color: var(--accent); }
.gz-root .rp-row.bad .rr-mark { color: #b45309; }
.gz-root .rp-row.skip { opacity: .78; }
.gz-root .rp-row.skip .rr-mark { color: var(--muted); }

/* ============================================================
 * 12. 响应式
 * ============================================================ */
@media (max-width: 980px) {
  .gz-root .stage { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .gz-root .terr-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .gz-root .battle-hud { gap: 12px; padding: 12px 14px; row-gap: 10px; }
  .gz-root .battle-hud .bh-item + .bh-item { padding-left: 12px; border-left: 1px solid var(--border); }
  .gz-root .bh-grow { flex: 0 1 auto; min-width: 0; }
  .gz-root .bh-item b { font-size: 17px; }
  .gz-root .ring { width: 72px; height: 72px; margin-left: 0; }
  .gz-root .g-head h2 { font-size: 18px; }
  .gz-root .pool { grid-template-columns: 1fr; }
  .gz-root .gcard-grid { grid-template-columns: 1fr; }
  .gz-root .boss-stage { gap: 12px; padding: 14px; }
  .gz-root .boss-fig { width: 96px; height: 96px; }
  .gz-root .boss-info { flex: 1 1 100%; min-width: 0; }
  .gz-root .match-grid { grid-template-columns: 1fr; }
  .gz-root .rp-stats { grid-template-columns: repeat(2, 1fr); }
  .gz-root .rp-hero .rp-score { font-size: 30px; }
}
@media (max-width: 560px) {
  .gz-root .terr-grid { grid-template-columns: 1fr; }
  .gz-root .map-legend { margin-left: 0; width: 100%; }
}

/* ============================================================
 * 13. 深色主题补充
 * ============================================================ */
[data-theme="dark"] .gz-root .terrain {
  background:
    radial-gradient(700px 360px at 12% 0%, rgba(91, 140, 255, .12), transparent 60%),
    radial-gradient(600px 320px at 92% 100%, rgba(168, 85, 247, .12), transparent 60%),
    var(--card);
}
[data-theme="dark"] .gz-root .scene {
  background: linear-gradient(135deg, rgba(91, 140, 255, .14), rgba(34, 211, 238, .12));
  border-color: rgba(91, 140, 255, .45);
}
[data-theme="dark"] .gz-root .scene b { color: #93c5fd; }
[data-theme="dark"] .gz-root .opt .o-key,
[data-theme="dark"] .gz-root .rank-list .rk { background: rgba(91, 140, 255, .22); color: #93c5fd; }
[data-theme="dark"] .gz-root .tipbar { background: rgba(91, 140, 255, .12); border-color: rgba(91, 140, 255, .4); }
[data-theme="dark"] .gz-root .pcard .pc-box { border-color: #64748b; color: #94a3b8; }
[data-theme="dark"] .gz-root .pcard.on { background: rgba(91, 140, 255, .14); }
[data-theme="dark"] .gz-root .rp-row, [data-theme="dark"] .gz-root .rp-stat { background: rgba(255, 255, 255, .04); }
[data-theme="dark"] .gz-root .side-card { background: rgba(20, 30, 50, .72); }
[data-theme="dark"] .gz-root .boss-stage { background: radial-gradient(420px 200px at 18% 20%, rgba(239, 68, 68, .2), transparent 70%), rgba(20, 30, 50, .72); }
[data-theme="dark"] .gz-root .hud-stat { background: rgba(255, 255, 255, .05); }

/* ============================================================
 * 14. 顶栏适配
 *    学生端导航新增「闯关训练」后为 11 项，宽屏下需收紧间距
 *    才能保持单行；教师端为双层导航（二级菜单项少），不受影响。
 * ============================================================ */
@media (min-width: 721px) {
  .topbar .nav a { padding: 8px 11px; font-size: 13.5px; }
}
#resetBtn, .user-tag { white-space: nowrap; }

/* 窄屏（平板 / 手机）：顶栏折行、导航单行横向滚动
   学生端导航 11 项，在 ≤1100px 时单行放不下，需换行处理，否则整页横向溢出 */
@media (max-width: 1100px) {
  .topbar { flex-wrap: wrap; }
  .topbar .nav {
    width: 100%; order: 3; flex-wrap: nowrap; overflow-x: auto;
    -webkit-overflow-scrolling: touch; scrollbar-width: none; padding-bottom: 2px;
  }
  .topbar .nav::-webkit-scrollbar { display: none; }
  .topbar .auth { margin-left: auto; }
}