:root {
  color-scheme: dark;
  --bg: #070a14;
  --panel: #11172a;
  --panel-2: #171f36;
  --ink: #f6f2e8;
  --muted: #9ba7bf;
  --line: rgba(186, 203, 233, 0.16);
  --amber: #ffcb57;
  --orange: #ff7a45;
  --cyan: #5ce1e6;
  --green: #83ef9b;
  --red: #ff6680;
  --shadow: 0 32px 90px rgba(0, 0, 0, 0.48);
}

* { box-sizing: border-box; }

html { min-width: 320px; background: var(--bg); }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  background:
    linear-gradient(rgba(92, 225, 230, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 225, 230, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 16% 12%, rgba(255, 122, 69, 0.15), transparent 26rem),
    radial-gradient(circle at 90% 10%, rgba(92, 225, 230, 0.12), transparent 30rem),
    var(--bg);
  background-size: 42px 42px, 42px 42px, auto, auto, auto;
}

button, input { font: inherit; }
button { color: inherit; }

.game-shell {
  width: min(1240px, calc(100% - 28px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 20px 0 36px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 62px;
  margin-bottom: 16px;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { display: grid; place-items: center; width: 46px; height: 46px; border: 1px solid rgba(255, 203, 87, 0.4); border-radius: 12px; color: var(--amber); background: rgba(255, 203, 87, 0.08); font: 900 1rem/1 Consolas, monospace; }
.brand p, .brand h1 { margin: 0; }
.brand p { margin-bottom: 3px; color: var(--orange); font: 800 0.72rem/1 Consolas, monospace; letter-spacing: 0.14em; }
.brand h1 { font-size: 1.15rem; }
.status-row { display: flex; align-items: center; gap: 9px; }
.status-chip { padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: rgba(13, 18, 34, 0.85); font-size: 0.78rem; }
.status-chip strong { color: var(--ink); }

.screen {
  min-height: 720px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(10, 14, 28, 0.9);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.start-screen {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: stretch;
}

.start-copy { padding: clamp(38px, 6vw, 78px); display: flex; flex-direction: column; justify-content: center; }
.kicker { margin: 0 0 14px; color: var(--amber); font: 800 0.76rem/1 Consolas, monospace; letter-spacing: 0.14em; }
.start-copy h2 { max-width: 760px; margin: 0; font-size: clamp(2.5rem, 6vw, 5.4rem); line-height: 0.98; letter-spacing: -0.055em; }
.start-copy h2 span { color: var(--orange); }
.start-copy > p:not(.kicker) { max-width: 600px; margin: 24px 0 0; color: var(--muted); font-size: 1.03rem; line-height: 1.85; }
.mission-brief { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 30px 0; }
.brief-item { padding: 14px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255, 255, 255, 0.025); }
.brief-item strong, .brief-item span { display: block; }
.brief-item strong { margin-bottom: 5px; color: var(--cyan); font: 900 1.05rem/1 Consolas, monospace; }
.brief-item span { color: var(--muted); font-size: 0.78rem; }
.primary-button, .secondary-button {
  min-height: 50px;
  padding: 0 20px;
  border-radius: 13px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.18s ease, opacity 0.18s ease, border-color 0.18s ease;
}
.primary-button { border: 0; color: #171108; background: linear-gradient(135deg, var(--amber), var(--orange)); box-shadow: 0 12px 32px rgba(255, 122, 69, 0.2); }
.secondary-button { border: 1px solid var(--line); color: var(--ink); background: rgba(255, 255, 255, 0.03); }
.primary-button:hover:not(:disabled), .secondary-button:hover:not(:disabled) { transform: translateY(-2px); }
.primary-button:disabled, .secondary-button:disabled { opacity: 0.35; cursor: default; }
.start-button { align-self: flex-start; min-width: 210px; }

.sector-map { position: relative; display: grid; place-items: center; min-height: 620px; padding: 36px; border-left: 1px solid var(--line); background: radial-gradient(circle, rgba(92, 225, 230, 0.09), transparent 60%); }
.map-core { position: absolute; left: 50%; top: 50%; width: 124px; height: 124px; transform: translate(-50%, -50%); display: grid; place-items: center; border: 1px solid rgba(255, 102, 128, 0.48); border-radius: 50%; color: var(--red); background: rgba(255, 102, 128, 0.07); text-align: center; font: 900 0.8rem/1.45 Consolas, monospace; box-shadow: 0 0 70px rgba(255, 102, 128, 0.12); }
.map-ring { position: relative; width: min(430px, 100%); aspect-ratio: 1; border: 1px dashed rgba(92, 225, 230, 0.24); border-radius: 50%; }
.sector-node { position: absolute; width: 118px; min-height: 68px; padding: 10px; border: 1px solid var(--line); border-radius: 13px; color: var(--muted); background: var(--panel); text-align: left; }
.sector-node strong, .sector-node span { display: block; }
.sector-node strong { margin-bottom: 4px; color: var(--ink); font-size: 0.84rem; }
.sector-node span { font-size: 0.7rem; }
.sector-node:nth-child(1) { left: 50%; top: -26px; transform: translateX(-50%); }
.sector-node:nth-child(2) { right: -38px; top: 24%; }
.sector-node:nth-child(3) { right: -5px; bottom: 2%; }
.sector-node:nth-child(4) { left: -5px; bottom: 2%; }
.sector-node:nth-child(5) { left: -38px; top: 24%; }
.sector-node.active { border-color: rgba(255, 203, 87, 0.52); color: var(--amber); box-shadow: 0 0 26px rgba(255, 203, 87, 0.08); }

.play-screen { display: grid; grid-template-columns: 250px 1fr; }
.mission-rail { padding: 24px 18px; border-right: 1px solid var(--line); background: rgba(17, 23, 42, 0.82); }
.rail-label { margin: 0 0 16px; color: var(--muted); font: 800 0.72rem/1 Consolas, monospace; letter-spacing: 0.12em; }
.chapter-list { display: grid; gap: 9px; }
.chapter { display: grid; grid-template-columns: 30px 1fr; gap: 8px; padding: 13px 11px; border: 1px solid transparent; border-radius: 13px; color: #68738b; }
.chapter strong, .chapter span { display: block; }
.chapter strong { margin-bottom: 3px; color: inherit; font-size: 0.86rem; }
.chapter span { font-size: 0.69rem; }
.chapter-number { color: inherit; font: 900 0.75rem/1.4 Consolas, monospace; }
.chapter.active { border-color: rgba(255, 203, 87, 0.28); color: var(--ink); background: rgba(255, 203, 87, 0.06); }
.chapter.active .chapter-number { color: var(--amber); }
.rail-footer { margin-top: 24px; padding: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.73rem; line-height: 1.6; }

.play-area { padding: clamp(26px, 4vw, 50px); display: flex; flex-direction: column; }
.level-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; }
.level-heading h2 { margin: 4px 0 0; font-size: clamp(1.7rem, 3.5vw, 2.8rem); letter-spacing: -0.04em; }
.level-heading p { margin: 0; color: var(--orange); font: 800 0.72rem/1 Consolas, monospace; letter-spacing: 0.12em; }
.step-meter { min-width: 155px; color: var(--muted); text-align: right; font-size: 0.76rem; }
.meter-track { height: 6px; margin-top: 8px; overflow: hidden; border-radius: 999px; background: rgba(255, 255, 255, 0.07); }
.meter-track i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--amber), var(--orange)); }
.story-line { margin: 20px 0 0; padding: 14px 16px; border-left: 3px solid var(--orange); color: var(--muted); background: rgba(255, 122, 69, 0.05); line-height: 1.72; }

.range-workbench { display: grid; grid-template-columns: minmax(280px, 0.9fr) minmax(330px, 1.1fr); gap: 18px; margin-top: 22px; }
.control-card, .route-card { border: 1px solid var(--line); border-radius: 18px; background: rgba(23, 31, 54, 0.72); }
.control-card { padding: 20px; }
.card-title { margin: 0 0 15px; font-size: 0.95rem; }
.range-code { margin: 0 0 18px; padding: 16px; border: 1px solid rgba(92, 225, 230, 0.16); border-radius: 12px; background: #080c18; color: #d9e6ff; font: 800 1rem/1.6 Consolas, monospace; }
.range-code em { color: var(--amber); font-style: normal; }
.dial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.dial { display: grid; gap: 7px; color: var(--muted); font-size: 0.74rem; }
.dial input { width: 100%; height: 44px; padding: 0 10px; border: 1px solid var(--line); border-radius: 10px; outline: 0; color: var(--ink); background: #0a0f20; font: 800 1rem/1 Consolas, monospace; }
.dial input:focus { border-color: var(--cyan); }
.control-actions { display: flex; gap: 10px; margin-top: 16px; }
.control-actions button { flex: 1; }
.route-card { padding: 20px; }
.route-goal { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; color: var(--muted); font-size: 0.8rem; }
.route-goal strong { color: var(--cyan); font: 900 0.95rem/1 Consolas, monospace; }
.route-line { position: relative; min-height: 190px; display: flex; align-items: center; gap: 9px; overflow-x: auto; padding: 50px 8px 30px; }
.route-line::before { content: ""; position: absolute; left: 16px; right: 16px; top: 50%; height: 2px; background: rgba(155, 167, 191, 0.2); }
.station { position: relative; z-index: 1; flex: 0 0 48px; height: 48px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--muted); background: #0d1325; font: 800 0.8rem/1 Consolas, monospace; }
.station.visited { border-color: var(--cyan); color: #061416; background: var(--cyan); box-shadow: 0 0 20px rgba(92, 225, 230, 0.28); }
.station.target::after { content: "目标"; position: absolute; top: -27px; color: var(--amber); font: 700 0.65rem/1 system-ui, sans-serif; }
.route-output { min-height: 46px; padding: 12px 13px; border-radius: 11px; color: var(--green); background: #080c18; font: 700 0.84rem/1.5 Consolas, monospace; }
.feedback { min-height: 70px; display: flex; align-items: center; gap: 12px; margin-top: 14px; padding: 13px 15px; border: 1px solid var(--line); border-radius: 14px; color: var(--muted); background: rgba(255, 255, 255, 0.025); }
.feedback-mark { flex: 0 0 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; color: var(--ink); background: rgba(255, 255, 255, 0.07); font-weight: 900; }
.feedback p { margin: 0; line-height: 1.5; }
.feedback strong, .feedback span { display: block; }
.feedback strong { margin-bottom: 2px; color: var(--ink); font-size: 0.9rem; }
.feedback span { font-size: 0.78rem; }
.feedback.success { border-color: rgba(131, 239, 155, 0.3); background: rgba(131, 239, 155, 0.055); }
.feedback.success .feedback-mark { color: #06130a; background: var(--green); }
.feedback.error { border-color: rgba(255, 102, 128, 0.28); background: rgba(255, 102, 128, 0.05); }
.feedback.error .feedback-mark { background: var(--red); }

.section-card { margin-top: 22px; padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: rgba(23, 31, 54, 0.72); }
.section-card h3 { margin: 0; font-size: 1rem; }
.section-note { margin: 8px 0 0; color: var(--muted); font-size: 0.82rem; line-height: 1.65; }
.code-panel { margin: 16px 0 0; padding: 17px; overflow: auto; border: 1px solid rgba(92, 225, 230, 0.16); border-radius: 12px; color: #d9e6ff; background: #080c18; font: 700 0.88rem/1.7 Consolas, monospace; white-space: pre-wrap; }
.action-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.action-row > button { min-width: 130px; }

.set-stage { display: grid; grid-template-columns: 1fr auto 1fr; align-items: stretch; gap: 14px; margin-top: 20px; }
.set-bin { min-height: 190px; padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: rgba(23, 31, 54, 0.72); }
.set-bin h3 { margin: 0 0 14px; color: var(--cyan); font-size: 0.9rem; }
.set-bin.result h3 { color: var(--amber); }
.set-tokens { display: flex; flex-wrap: wrap; align-content: flex-start; gap: 9px; }
.token { width: 43px; height: 43px; display: grid; place-items: center; border: 1px solid rgba(92, 225, 230, 0.26); border-radius: 50%; color: var(--ink); background: #0b1224; font: 800 0.82rem/1 Consolas, monospace; }
.token.hot { border-color: rgba(255, 203, 87, 0.45); color: #191102; background: var(--amber); }
.operation-console { min-width: 178px; display: grid; align-content: center; gap: 9px; }
.operator-button { min-height: 42px; border: 1px solid var(--line); border-radius: 11px; color: var(--muted); background: rgba(255, 255, 255, 0.025); font: 800 0.82rem/1 Consolas, monospace; cursor: pointer; }
.operator-button:hover { border-color: var(--cyan); color: var(--ink); }
.operator-button.correct { color: #08120b; border-color: var(--green); background: var(--green); }
.operator-button.wrong { color: white; border-color: var(--red); background: rgba(255, 102, 128, 0.18); }

.dict-layout { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 18px; margin-top: 22px; }
.record-card, .terminal-card { padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: rgba(23, 31, 54, 0.72); }
.record-card h3, .terminal-card h3 { margin: 0 0 15px; font-size: 0.95rem; }
.record-grid { display: grid; gap: 9px; }
.record-row { display: flex; justify-content: space-between; gap: 12px; padding: 11px 12px; border-radius: 10px; background: #0b1121; color: var(--muted); font-size: 0.82rem; }
.record-row strong { color: var(--ink); }
.key-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; }
.key-button { min-height: 46px; padding: 0 12px; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); background: rgba(255, 255, 255, 0.03); cursor: pointer; }
.key-button:hover { border-color: var(--cyan); }

.cell-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 20px; }
.power-cell { aspect-ratio: 1.35; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 15px; color: var(--muted); background: #0a1020; font: 900 1.2rem/1 Consolas, monospace; cursor: pointer; }
.power-cell:hover { border-color: var(--cyan); }
.power-cell.selected { color: #071309; border-color: var(--green); background: var(--green); box-shadow: 0 0 24px rgba(131, 239, 155, 0.15); }
.scan-console { min-height: 168px; display: flex; flex-direction: column; justify-content: center; margin-top: 18px; padding: 18px; border: 1px solid rgba(92, 225, 230, 0.18); border-radius: 13px; color: var(--green); background: #070b16; font: 800 0.92rem/1.8 Consolas, monospace; }
.scan-results { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.scan-code { padding: 10px 13px; border: 1px solid rgba(255, 203, 87, 0.35); border-radius: 10px; color: var(--amber); background: rgba(255, 203, 87, 0.06); }

.function-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 22px; }
.workshop-card { padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: rgba(23, 31, 54, 0.72); }
.workshop-card h3 { margin: 0 0 8px; }
.number-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 15px; }
.number-pair label { display: grid; gap: 7px; color: var(--muted); font-size: 0.74rem; }
.number-pair input { height: 44px; padding: 0 11px; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); background: #0a0f20; font: 800 1rem/1 Consolas, monospace; }
.result-display { min-height: 52px; display: flex; align-items: center; justify-content: center; margin-top: 12px; border-radius: 11px; color: var(--green); background: #080c18; font: 800 1rem/1 Consolas, monospace; }
.module-tools { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 15px; }
.tool-button { min-height: 82px; padding: 12px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); background: #0a1020; text-align: left; cursor: pointer; }
.tool-button small { display: block; margin-top: 5px; color: var(--muted); font: 700 0.68rem/1.5 Consolas, monospace; }
.tool-button.used { border-color: var(--green); background: rgba(131, 239, 155, 0.06); }

.bug-layout { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 18px; margin-top: 22px; }
.bug-window, .patch-bay { padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: rgba(23, 31, 54, 0.72); }
.bug-window h3, .patch-bay h3 { margin: 0 0 13px; }
.error-label { display: inline-flex; margin-top: 12px; padding: 8px 10px; border-radius: 9px; color: #ffdbe2; background: rgba(255, 102, 128, 0.12); font: 700 0.78rem/1 Consolas, monospace; }
.patch-list { display: grid; gap: 9px; }
.patch-button { min-height: 48px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 11px; color: var(--ink); background: #0a1020; text-align: left; cursor: pointer; }
.patch-button:hover { border-color: var(--amber); }

.crew-builder { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 18px; margin-top: 22px; }
.crew-form, .crew-output { padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: rgba(23, 31, 54, 0.72); }
.crew-form h3, .crew-output h3 { margin: 0 0 15px; }
.student-row { display: grid; grid-template-columns: 1fr 90px; gap: 9px; margin-bottom: 9px; }
.student-row input { height: 44px; min-width: 0; padding: 0 11px; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); background: #0a0f20; }
.student-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.student-card { padding: 16px; border: 1px solid rgba(92, 225, 230, 0.25); border-radius: 13px; background: #0a1020; }
.student-card strong, .student-card span { display: block; }
.student-card strong { margin-bottom: 6px; color: var(--cyan); }
.student-card span { color: var(--muted); font-size: 0.78rem; }

.final-screen { display: grid; place-items: center; padding: 40px; text-align: center; }
.final-core { width: 132px; height: 132px; display: grid; place-items: center; margin: 0 auto 24px; border: 1px solid rgba(131, 239, 155, 0.45); border-radius: 50%; color: var(--green); background: radial-gradient(circle, rgba(131, 239, 155, 0.15), transparent 68%); font: 900 1.05rem/1.4 Consolas, monospace; box-shadow: 0 0 65px rgba(131, 239, 155, 0.12); }
.final-screen h2 { margin: 0; font-size: clamp(2rem, 5vw, 4rem); letter-spacing: -0.045em; }
.final-screen p { max-width: 620px; margin: 18px auto 24px; color: var(--muted); line-height: 1.8; }
.final-stats { display: grid; grid-template-columns: repeat(3, minmax(120px, 1fr)); gap: 10px; width: min(520px, 100%); margin: 0 auto 26px; }
.final-stat { padding: 16px; border: 1px solid var(--line); border-radius: 13px; background: rgba(255, 255, 255, 0.025); }
.final-stat strong, .final-stat span { display: block; }
.final-stat strong { margin-bottom: 4px; color: var(--amber); font: 900 1.25rem/1 Consolas, monospace; }
.final-stat span { color: var(--muted); font-size: 0.74rem; }

@media (max-width: 900px) {
  .start-screen { grid-template-columns: 1fr; }
  .sector-map { min-height: 500px; border-left: 0; border-top: 1px solid var(--line); }
  .play-screen { grid-template-columns: 1fr; }
  .mission-rail { border-right: 0; border-bottom: 1px solid var(--line); }
  .chapter-list { grid-template-columns: repeat(5, minmax(145px, 1fr)); overflow-x: auto; }
  .rail-footer { display: none; }
}

@media (max-width: 680px) {
  .game-shell { width: min(100% - 16px, 1240px); padding-top: 8px; }
  .topbar { align-items: flex-start; }
  .status-chip:first-child { display: none; }
  .screen { min-height: 760px; border-radius: 20px; }
  .start-copy { padding: 30px 22px; }
  .mission-brief { grid-template-columns: 1fr; }
  .sector-map { display: none; }
  .play-area { padding: 25px 16px; }
  .level-heading { align-items: flex-start; flex-direction: column; }
  .step-meter { width: 100%; text-align: left; }
  .range-workbench { grid-template-columns: 1fr; }
  .dial-grid { gap: 7px; }
  .station { flex-basis: 42px; height: 42px; }
  .set-stage, .dict-layout, .function-grid, .bug-layout, .crew-builder { grid-template-columns: 1fr; }
  .set-stage { grid-template-columns: 1fr; }
  .operation-console { grid-template-columns: repeat(2, 1fr); }
  .cell-grid { grid-template-columns: repeat(2, 1fr); }
  .module-tools { grid-template-columns: 1fr; }
  .final-stats { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}
/* 学生身份与教师成绩台 */
.identity-panel{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0 16px;max-width:620px}.identity-panel label{display:grid;gap:7px;color:#8ca0bb;font-size:14px}.identity-panel input{width:100%;border:1px solid #294765;background:#07192c;color:#f6fbff;border-radius:10px;padding:12px 14px;font:inherit;outline:none}.identity-panel input:focus{border-color:#32d4ff;box-shadow:0 0 0 3px #32d4ff22}.identity-panel p{grid-column:1/-1;min-height:20px;margin:0;color:#ff8c8c}.save-status{margin:20px 0 10px;color:#a9bad0}.save-status.saved{color:#5ee6a8}
.teacher-page{min-height:100vh;background:#06101d;color:#eaf5ff;padding:32px;font-family:Inter,"Microsoft YaHei",sans-serif}.teacher-login{width:min(440px,100%);margin:12vh auto;background:#0c1d30;border:1px solid #23405f;border-radius:18px;padding:32px;box-shadow:0 24px 70px #0006}.teacher-login h1{font-size:34px;margin:8px 0}.teacher-login>p:not(.kicker){color:#a9bad0;margin-bottom:24px}.teacher-login label{display:grid;gap:8px;color:#bcd0e5;margin-bottom:14px}.teacher-login input{background:#07192c;border-color:#294765;color:#fff}.teacher-login button{width:100%;margin-top:6px}.teacher-login a{display:block;text-align:center;color:#8fb5d8;margin-top:18px}.login-error{color:#ff8c8c!important;margin:0 0 10px!important}.teacher-shell{max-width:1180px;margin:auto}.teacher-header{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}.teacher-header h1{font-size:36px;margin:5px 0}.teacher-header p{color:#91a8c0}.teacher-actions{display:flex;gap:10px}.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:18px}.summary-grid>div,.records-card{background:#0c1d30;border:1px solid #23405f;border-radius:16px}.summary-grid>div{padding:22px}.summary-grid strong{display:block;font-size:34px;color:#64e4ff}.summary-grid span{color:#91a8c0}.records-card{padding:22px;overflow:auto}.records-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:16px}.records-toolbar h2{font-size:22px}.records-toolbar input{max-width:300px;background:#07192c;border-color:#294765;color:#fff}.records-card table{min-width:760px}.records-card th{color:#8ba7c2}.records-card td,.records-card th{border-color:#203b56}.empty-records{text-align:center;color:#91a8c0;padding:35px}.score-rule{color:#8199b2;margin-top:14px;font-size:14px}@media(max-width:700px){.identity-panel{grid-template-columns:1fr}.teacher-page{padding:18px}.teacher-header,.records-toolbar{align-items:stretch;flex-direction:column}.summary-grid{grid-template-columns:1fr}.teacher-actions{flex-wrap:wrap}.records-toolbar input{max-width:none}}
.choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:16px 0}.choice-stack{display:grid;gap:10px;margin:14px 0}.choice-button{width:100%;border:1px solid #2b4d6e;background:#0a2037;color:#e8f5ff;border-radius:12px;padding:14px 16px;text-align:left;font:inherit;line-height:1.45;cursor:pointer;transition:.18s ease}.choice-button:hover:not(:disabled){border-color:#54dcff;background:#0d2b47;transform:translateY(-1px)}.choice-button:disabled{opacity:.48;cursor:not-allowed}.code-choice{font-family:Consolas,"SFMono-Regular",monospace}@media(max-width:700px){.choice-grid{grid-template-columns:1fr}}
.story-card{position:relative;margin:18px 0;padding:20px 22px 20px 28px;border:1px solid #315674;border-left:4px solid #f9c846;border-radius:14px;background:linear-gradient(135deg,#0d2740,#091a2d);box-shadow:inset 0 0 35px #36d9ff08}.story-card span{display:block;margin-bottom:8px;color:#f9c846;font-size:13px;font-weight:800;letter-spacing:.08em}.story-card p{margin:0;color:#e8f4ff;font-size:17px;line-height:1.75}.data-terminal{border:1px solid #2a506e;border-radius:16px;background:#071625;padding:20px;box-shadow:0 18px 50px #0004}.terminal-title{color:#68efad;font:700 13px/1.2 Consolas,monospace;letter-spacing:.14em;margin-bottom:16px}.typed-fields{display:grid;gap:12px;margin-bottom:16px}.typed-fields label{display:grid;grid-template-columns:120px 1fr;align-items:center;gap:12px;color:#9cb3c9;font-size:14px}.typed-fields input{min-width:0;border:1px solid #315574;background:#0b233a;color:#f2fbff;border-radius:10px;padding:13px 14px;font:16px/1.4 Consolas,"Microsoft YaHei",monospace;outline:none}.typed-fields input:focus{border-color:#54dcff;box-shadow:0 0 0 3px #54dcff1f}.fx-success{animation:successPulse .65s ease}.fx-error{animation:errorShake .42s ease}.fx-success .feedback{box-shadow:0 0 0 2px #68efad66,0 0 32px #68efad2b}.fx-error .feedback{box-shadow:0 0 0 2px #ff6f7d66,0 0 30px #ff6f7d24}@keyframes successPulse{0%{filter:brightness(1)}35%{filter:brightness(1.22)}100%{filter:brightness(1)}}@keyframes errorShake{0%,100%{transform:translateX(0)}20%{transform:translateX(-7px)}40%{transform:translateX(6px)}60%{transform:translateX(-4px)}80%{transform:translateX(3px)}}@media(max-width:700px){.typed-fields label{grid-template-columns:1fr;gap:6px}.story-card{padding:17px}}
.prediction-field{display:grid;gap:8px;margin-top:14px;color:#a8bdd2;font-size:14px}.prediction-field input{border:1px solid #315574;background:#081d31;color:#f3fbff;border-radius:10px;padding:12px 14px;font:16px/1.4 Consolas,monospace;outline:none}.prediction-field input:focus{border-color:#54dcff;box-shadow:0 0 0 3px #54dcff1f}