/* =========================================================
   智力水平测评 —— 深色主题样式
   ========================================================= */

:root {
  --bg: #0a0e1a;
  --bg-soft: #0f1524;
  --panel: #131b2e;
  --panel-2: #182238;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);

  --text: #e8eef7;
  --text-dim: #8b9cbb;
  --text-mute: #5a6b8c;

  --accent: #4da3ff;
  --accent-2: #5fd3a6;
  --warn: #ffb454;
  --danger: #ff7a8a;
  --purple: #b98cff;

  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.42);
  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.28);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  min-height: 100%;
}

body {
  background-image:
    radial-gradient(900px 500px at 12% -8%, rgba(77, 163, 255, 0.10), transparent 60%),
    radial-gradient(760px 440px at 92% 4%, rgba(185, 140, 255, 0.08), transparent 62%);
  background-attachment: fixed;
}

#app { min-height: 100vh; }

/* ============ 通用按钮 ============ */
.btn {
  font-family: var(--font);
  font-size: 14.5px;
  font-weight: 600;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
  transition: all 0.18s ease;
  letter-spacing: 0.2px;
}
.btn:hover:not(:disabled) { background: #1f2b45; border-color: rgba(255,255,255,0.26); transform: translateY(-1px); }
.btn:disabled { opacity: 0.42; cursor: not-allowed; }
.btn.primary {
  background: linear-gradient(135deg, #4da3ff, #3b7fd4);
  border-color: transparent; color: #fff;
  box-shadow: 0 4px 18px rgba(77, 163, 255, 0.30);
}
.btn.primary:hover:not(:disabled) { box-shadow: 0 7px 24px rgba(77, 163, 255, 0.42); }
.btn.ghost { background: transparent; }

/* =========================================================
   首页
   ========================================================= */
.home { max-width: 1120px; margin: 0 auto; padding: 56px 24px 70px; }

.hero { text-align: center; margin-bottom: 60px; }
.hero-badge {
  display: inline-block; font-size: 12px; letter-spacing: 1.6px; font-weight: 600;
  color: var(--accent); background: rgba(77, 163, 255, 0.11);
  border: 1px solid rgba(77, 163, 255, 0.28);
  padding: 6px 16px; border-radius: 999px; margin-bottom: 22px;
}
.hero-title {
  font-size: clamp(34px, 5.6vw, 56px); font-weight: 800; letter-spacing: -1.2px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #ffffff 20%, #8fb8e8 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-desc {
  max-width: 720px; margin: 0 auto 26px; font-size: 15.5px; line-height: 1.85;
  color: var(--text-dim);
}
.hero-desc strong { color: var(--accent-2); font-weight: 600; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.htag {
  font-size: 12.5px; color: var(--text-dim);
  background: rgba(255,255,255,0.045); border: 1px solid var(--line);
  padding: 6px 14px; border-radius: 999px;
}

.sec-title {
  font-size: 19px; font-weight: 700; margin-bottom: 22px;
  display: flex; align-items: center; gap: 12px; letter-spacing: -0.2px;
}
.st-num {
  font-size: 12px; font-weight: 800; color: var(--accent);
  background: rgba(77,163,255,0.12); border: 1px solid rgba(77,163,255,0.26);
  width: 26px; height: 26px; border-radius: 7px;
  display: inline-flex; align-items: center; justify-content: center;
}

.age-pick, .factor-intro { margin-bottom: 52px; }

.age-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
  gap: 12px;
}
.age-card {
  position: relative; text-align: left; cursor: pointer;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px 16px 16px;
  transition: all 0.2s ease; font-family: var(--font); color: var(--text);
}
.age-card:hover { border-color: rgba(77,163,255,0.44); transform: translateY(-3px); background: var(--panel-2); }
.age-card.sel {
  border-color: var(--accent);
  background: linear-gradient(160deg, rgba(77,163,255,0.14), rgba(77,163,255,0.05));
  box-shadow: 0 8px 26px rgba(77, 163, 255, 0.20);
}
.ac-age { font-size: 25px; font-weight: 800; letter-spacing: -0.8px; margin-bottom: 3px; }
.ac-age span { font-size: 13px; font-weight: 500; color: var(--text-dim); margin-left: 3px; }
.ac-level { font-size: 11.5px; font-weight: 700; color: var(--accent-2); margin-bottom: 6px; font-family: var(--mono); letter-spacing: 0.5px; }
.ac-desc { font-size: 11.5px; color: var(--text-mute); line-height: 1.5; }
.ac-check {
  position: absolute; top: 13px; right: 13px; width: 17px; height: 17px;
  border: 2px solid var(--line-strong); border-radius: 50%; transition: all 0.2s;
}
.age-card.sel .ac-check { border-color: var(--accent); background: var(--accent); }
.age-card.sel .ac-check::after {
  content: ''; position: absolute; left: 4px; top: 1px; width: 4px; height: 8px;
  border: solid #0a0e1a; border-width: 0 2px 2px 0; transform: rotate(42deg);
}
.age-note {
  margin-top: 14px; font-size: 13.5px; color: var(--text-dim);
  background: rgba(77,163,255,0.07); border: 1px solid rgba(77,163,255,0.18);
  padding: 12px 16px; border-radius: var(--radius-sm);
}
.age-note:empty { display: none; }
.age-note strong { color: var(--accent); }

.fi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(196px, 1fr)); gap: 12px; }
.fi-card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 17px 16px;
}
.fi-head { display: flex; align-items: baseline; gap: 8px; margin-bottom: 9px; flex-wrap: wrap; }
.fi-key {
  font-size: 10.5px; font-weight: 800; font-family: var(--mono);
  color: var(--accent); background: rgba(77,163,255,0.13);
  padding: 2px 7px; border-radius: 5px;
}
.fi-name { font-size: 14.5px; font-weight: 700; }
.fi-count { font-size: 11px; color: var(--text-mute); margin-left: auto; }
.fi-desc { font-size: 12.2px; color: var(--text-dim); line-height: 1.62; margin-bottom: 9px; }
.fi-weight { font-size: 11px; color: var(--text-mute); font-family: var(--mono); }

.start-area { text-align: center; margin-bottom: 48px; }
.btn-start {
  font-family: var(--font); font-size: 16px; font-weight: 700;
  padding: 15px 46px; border-radius: 12px; border: none; cursor: pointer;
  background: linear-gradient(135deg, #4da3ff, #3b7fd4); color: #fff;
  box-shadow: 0 8px 30px rgba(77, 163, 255, 0.34);
  transition: all 0.2s ease;
}
.btn-start:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 12px 38px rgba(77,163,255,0.46); }
.btn-start:disabled { background: var(--panel-2); color: var(--text-mute); box-shadow: none; cursor: not-allowed; }
.start-tip { font-size: 12.5px; color: var(--text-mute); margin-top: 13px; }

/* 致命错误兜底页 */
.fatal {
  max-width: 460px; margin: 90px auto; text-align: center;
  background: var(--panel); border: 1px solid rgba(255,122,138,0.28);
  border-radius: var(--radius); padding: 38px 32px;
}
.fatal-title { font-size: 17px; font-weight: 700; color: var(--danger); margin-bottom: 10px; }
.fatal-detail {
  font-size: 13px; color: var(--text-dim); line-height: 1.75; margin-bottom: 22px;
  word-break: break-word;
}

/* 历史记录 */
.store-warn {
  margin-top: 22px; font-size: 12.5px; line-height: 1.7; text-align: left;
  color: var(--warn); background: rgba(255,180,84,0.07);
  border: 1px solid rgba(255,180,84,0.22); padding: 12px 16px; border-radius: var(--radius-sm);
}
.hist { margin-top: 40px; text-align: left; }
.hist-head { font-size: 13.5px; font-weight: 700; margin-bottom: 12px; color: var(--text-dim); }
.hist-sub { font-weight: 400; font-size: 11.5px; color: var(--text-mute); }
.hist-list { display: flex; flex-direction: column; gap: 8px; }
.hist-item {
  display: flex; align-items: center; gap: 14px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 12px 16px;
}
.hi-left { flex: 1; }
.hi-date { font-size: 13px; font-weight: 600; }
.hi-meta { font-size: 11.5px; color: var(--text-mute); margin-top: 2px; }
.hi-iq { text-align: center; }
.hi-iq b { font-size: 21px; font-weight: 800; }
.hi-iq span { font-size: 10px; color: var(--text-mute); margin-left: 3px; }
.tone-excellent b, .tone-superior b { color: var(--warn); }
.tone-above b { color: var(--accent-2); }
.tone-average b { color: var(--accent); }
.tone-below b { color: var(--text-dim); }
.tone-weak b { color: var(--danger); }
.hi-view {
  font-family: var(--font); font-size: 12.5px; padding: 6px 15px;
  background: rgba(77,163,255,0.12); border: 1px solid rgba(77,163,255,0.3);
  color: var(--accent); border-radius: 7px; cursor: pointer; transition: all 0.18s;
}
.hi-view:hover { background: rgba(77,163,255,0.22); }
.hi-del {
  width: 26px; height: 26px; font-size: 17px; line-height: 1;
  background: transparent; border: 1px solid var(--line); color: var(--text-mute);
  border-radius: 6px; cursor: pointer; transition: all 0.18s;
}
.hi-del:hover { color: var(--danger); border-color: rgba(255,122,138,0.4); }

.foot {
  font-size: 11.5px; color: var(--text-mute); text-align: center;
  padding-top: 28px; border-top: 1px solid var(--line); line-height: 1.7;
}

/* =========================================================
   答题页
   ========================================================= */
.quiz { max-width: 900px; margin: 0 auto; padding: 22px 20px 40px; }

.qz-top {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px 20px; margin-bottom: 14px;
  position: sticky; top: 10px; z-index: 20;
  backdrop-filter: blur(12px);
}
.qz-info { display: flex; flex-direction: column; gap: 5px; }
.qz-band { font-size: 12.5px; font-weight: 700; }
.qz-factor {
  font-size: 10.5px; font-weight: 700; padding: 2.5px 9px; border-radius: 999px;
  display: inline-block; width: fit-content;
}
.badge-Gf { background: rgba(77,163,255,0.16); color: #7dbaff; border: 1px solid rgba(77,163,255,0.32); }
.badge-Gc { background: rgba(95,211,166,0.16); color: #7fe0bd; border: 1px solid rgba(95,211,166,0.32); }
.badge-Gv { background: rgba(185,140,255,0.16); color: #c9a8ff; border: 1px solid rgba(185,140,255,0.32); }
.badge-Gwm { background: rgba(255,180,84,0.16); color: #ffc87a; border: 1px solid rgba(255,180,84,0.32); }
.badge-Gs { background: rgba(255,122,138,0.16); color: #ff9faa; border: 1px solid rgba(255,122,138,0.32); }

.qz-timer {
  font-family: var(--mono); font-size: 21px; font-weight: 700;
  color: var(--text-dim); letter-spacing: 1px;
  padding: 4px 12px; background: rgba(0,0,0,0.26); border-radius: 8px;
}
.qz-progress { flex: 1; min-width: 190px; }
.qp-text { font-size: 13px; margin-bottom: 5px; color: var(--text-dim); }
.qp-text b { font-size: 17px; color: var(--text); }
.qp-track { height: 5px; background: rgba(255,255,255,0.08); border-radius: 3px; overflow: hidden; }
.qp-fill { height: 100%; background: linear-gradient(90deg, #4da3ff, #5fd3a6); transition: width 0.3s; }
.qp-answered { font-size: 11px; color: var(--text-mute); margin-top: 4px; }

.qp-nav {
  display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 18px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 11px;
}
.nav-cell {
  width: 27px; height: 27px; font-size: 11.5px; font-family: var(--mono);
  border-radius: 6px; border: 1px solid var(--line); cursor: pointer;
  background: rgba(255,255,255,0.03); color: var(--text-mute);
  transition: all 0.15s; position: relative;
}
.nav-cell:hover { border-color: rgba(255,255,255,0.3); color: var(--text); }
.nav-cell.done { background: rgba(95,211,166,0.18); color: #7fe0bd; border-color: rgba(95,211,166,0.35); }
.nav-cell.cur { outline: 2px solid var(--accent); outline-offset: 1px; color: #fff; }
.nav-cell.flag::after {
  content: ''; position: absolute; top: -2px; right: -2px;
  width: 6px; height: 6px; background: var(--warn); border-radius: 50%;
}

.q-card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px 30px; box-shadow: var(--shadow-sm);
}
.q-head { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.q-no {
  font-family: var(--mono); font-size: 11px; font-weight: 700;
  color: var(--accent); background: rgba(77,163,255,0.12);
  padding: 3px 9px; border-radius: 6px;
}
.q-type { font-size: 11.5px; color: var(--text-mute); }
.q-diff { font-size: 11px; color: var(--warn); margin-left: auto; letter-spacing: 1px; }

.q-stem { font-size: 16.5px; line-height: 1.8; font-weight: 500; margin-bottom: 20px; }
.sentence-stem {
  font-size: 18px; font-weight: 600; line-height: 2;
  background: rgba(255,255,255,0.04); padding: 18px 20px;
  border-radius: var(--radius-sm); border-left: 3px solid var(--accent);
  margin-top: 12px;
}
.reason-stem {
  font-size: 15.5px; line-height: 2; background: rgba(255,255,255,0.04);
  padding: 18px 20px; border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent-2); margin-top: 12px;
}
.reason-prompt { margin-top: 14px; font-size: 14.5px; color: var(--text-dim); }

.q-figure {
  display: flex; justify-content: center; margin-bottom: 24px;
  padding: 14px 0; min-height: 60px; overflow-x: auto;
}
.q-figure svg { max-width: 100%; height: auto; }

.memory-prompt { font-size: 14px; color: var(--text-dim); margin-bottom: 14px; }
.memory-question { margin-top: 18px; font-size: 15px; }
.hl { color: var(--warn); font-weight: 700; }
.mono { font-family: var(--mono); }

/* 数字广度显示 */
.digit-display { display: flex; gap: 9px; justify-content: center; margin: 20px 0; flex-wrap: wrap; }
.digit {
  font-family: var(--mono); font-size: 30px; font-weight: 700;
  width: 52px; height: 62px; display: flex; align-items: center; justify-content: center;
  background: rgba(77,163,255,0.10); border: 1.5px solid rgba(77,163,255,0.34);
  border-radius: 10px; color: var(--text);
  animation: popIn 0.4s backwards cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes popIn { from { opacity: 0; transform: scale(0.72) translateY(-10px); } to { opacity: 1; transform: none; } }

.letter-display { display: flex; gap: 7px; justify-content: center; margin: 18px 0; flex-wrap: wrap; }
.letter {
  font-family: var(--mono); font-size: 22px; font-weight: 700; width: 38px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(185,140,255,0.11); border: 1.5px solid rgba(185,140,255,0.34);
  border-radius: 8px; color: var(--text);
  animation: popIn 0.38s backwards cubic-bezier(0.34,1.56,0.64,1);
}

/* 数列 */
.number-series {
  display: flex; align-items: center; gap: 8px; justify-content: center;
  flex-wrap: wrap; margin: 18px 0;
}
.ns-item {
  font-family: var(--mono); font-size: 20px; font-weight: 700;
  min-width: 46px; padding: 12px 8px; text-align: center;
  background: rgba(255,255,255,0.05); border: 1px solid var(--line);
  border-radius: 9px;
}
.ns-q { background: rgba(255,180,84,0.14); border-color: rgba(255,180,84,0.4); color: var(--warn); font-size: 23px; }
.ns-arrow { color: var(--text-mute); font-size: 15px; }

/* 记忆图形 */
.memory-shapes { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin: 18px 0; }
.ms-item {
  border: 2px solid var(--line); border-radius: 10px; padding: 5px;
  background: rgba(255,255,255,0.028);
}
.ms-ask { border-color: var(--warn); box-shadow: 0 0 0 3px rgba(255,180,84,0.13); }

/* 数学表达式 */
.math-prompt { font-size: 14px; color: var(--text-dim); }
.math-expr {
  font-family: var(--mono); font-size: clamp(20px, 3.4vw, 30px); font-weight: 700;
  text-align: center; margin: 22px 0; letter-spacing: 2px;
  background: rgba(255,255,255,0.04); padding: 24px 16px; border-radius: var(--radius-sm);
}
.fast-math {
  font-family: var(--mono); font-size: clamp(22px, 4vw, 34px); font-weight: 700;
  text-align: center; margin: 20px 0; letter-spacing: 3px; color: var(--warn);
}

/* 符号编码 */
.code-table {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
  margin: 18px 0; padding: 18px; background: rgba(255,255,255,0.035);
  border-radius: var(--radius-sm); border: 1px solid var(--line);
}
.code-item { display: flex; align-items: center; gap: 9px; }
.code-sym { font-size: 27px; color: var(--accent); }
.code-arrow { color: var(--text-mute); font-size: 16px; }
.code-val {
  font-family: var(--mono); font-size: 20px; font-weight: 700; color: var(--accent-2);
  background: rgba(95,211,166,0.12); padding: 3px 12px; border-radius: 7px;
}
.code-input {
  display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin: 18px 0;
}
.code-in-sym {
  font-size: 25px; width: 44px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(185,140,255,0.10); border: 1.5px solid rgba(185,140,255,0.32);
  border-radius: 9px;
}

/* 选项 */
.q-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(148px, 1fr)); gap: 11px; }
.q-options:has(.opt-text:only-child) { grid-template-columns: 1fr; }
.opt {
  position: relative; display: flex; align-items: center; gap: 13px;
  padding: 15px 17px; border-radius: var(--radius-sm); cursor: pointer;
  background: var(--panel-2); border: 1.5px solid var(--line);
  transition: all 0.17s ease; font-family: var(--font); color: var(--text);
  text-align: left; line-height: 1.6;
}
.opt:hover { border-color: rgba(77,163,255,0.5); background: #1c2740; transform: translateY(-2px); }
.opt.sel {
  border-color: var(--accent); background: linear-gradient(150deg, rgba(77,163,255,0.17), rgba(77,163,255,0.06));
  box-shadow: 0 0 0 3px rgba(77, 163, 255, 0.13);
}
.opt-key {
  width: 26px; height: 26px; flex-shrink: 0; border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12.5px; font-weight: 800; font-family: var(--mono);
  background: rgba(255,255,255,0.07); color: var(--text-dim);
}
.opt.sel .opt-key { background: var(--accent); color: #0a0e1a; }
.opt-text { font-size: 14.5px; }
.opt-text.mono { font-family: var(--mono); font-size: 16px; letter-spacing: 1.5px; }
.opt-figure { display: flex; align-items: center; justify-content: center; }

.qz-foot {
  display: flex; justify-content: space-between; align-items: center;
  gap: 14px; margin-top: 18px; flex-wrap: wrap;
}
.qf-nav { display: flex; gap: 10px; margin-left: auto; }

/* =========================================================
   报告页
   ========================================================= */
.report-page { max-width: 1000px; margin: 0 auto; padding: 0 20px 70px; }

.rp-bar {
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; flex-wrap: wrap; padding: 18px 0 22px;
}
.rp-bar-title { font-size: 16px; font-weight: 700; }
.rp-bar-actions { display: flex; gap: 9px; flex-wrap: wrap; }
.rp-bar-actions .btn { font-size: 13px; padding: 9px 17px; }

.rp-hero {
  display: flex; gap: 30px; flex-wrap: wrap; align-items: center;
  background: linear-gradient(140deg, var(--panel), rgba(19,27,46,0.6));
  border: 1px solid var(--line); border-radius: 18px;
  padding: 32px 34px; margin-bottom: 22px;
  box-shadow: var(--shadow);
}
.rp-hero.reveal { animation: fadeUp 0.6s cubic-bezier(0.16,1,0.3,1); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.rh-left { flex-shrink: 0; text-align: center; min-width: 190px; }
.rh-label { font-size: 11.5px; color: var(--text-mute); letter-spacing: 1.2px; margin-bottom: 8px; }
.rh-iq { display: flex; align-items: baseline; justify-content: center; gap: 6px; }
.rhi-num {
  font-size: 68px; font-weight: 800; line-height: 1; letter-spacing: -3px;
  background: linear-gradient(135deg, #ffffff, #7dbaff);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.rhi-unit { font-size: 17px; color: var(--text-dim); font-weight: 600; }
.rh-level {
  display: inline-block; margin-top: 12px; font-size: 14px; font-weight: 700;
  padding: 6px 20px; border-radius: 999px;
}
.tone-excellent.rh-level, .tone-superior.rh-level { background: rgba(255,180,84,0.16); color: var(--warn); }
.tone-above.rh-level, .tone-average.rh-level { background: rgba(95,211,166,0.16); color: var(--accent-2); }
.tone-below.rh-level { background: rgba(255,255,255,0.08); color: var(--text-dim); }
.tone-weak.rh-level { background: rgba(255,122,138,0.16); color: var(--danger); }
.rh-pct { font-size: 12.5px; color: var(--text-mute); margin-top: 9px; }

.rh-right { flex: 1; min-width: 240px; }
.rh-metrics { display: flex; gap: 26px; flex-wrap: wrap; margin-bottom: 12px; }
.rh-metric { display: flex; flex-direction: column; }
.rh-metric b { font-size: 27px; font-weight: 800; letter-spacing: -0.8px; }
.rh-metric span { font-size: 11.5px; color: var(--text-mute); margin-top: 3px; }
.rh-meta { font-size: 12px; color: var(--text-mute); padding-top: 12px; border-top: 1px solid var(--line); }

.rp-block {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 28px; margin-bottom: 18px;
}
.rp-h3 {
  font-size: 15.5px; font-weight: 700; margin-bottom: 20px;
  display: flex; align-items: center; gap: 10px;
}
.rp-h3::before {
  content: ''; width: 3px; height: 15px; background: var(--accent); border-radius: 2px;
}
.rp-h4 { font-size: 13px; font-weight: 600; color: var(--text-dim); margin-bottom: 14px; }
.rp-note { font-size: 11.5px; color: var(--text-mute); margin-top: 14px; line-height: 1.65; }

.iq-scale { display: flex; justify-content: center; overflow-x: auto; }
.iq-scale svg { max-width: 100%; height: auto; }

.radar-wrap { display: flex; gap: 34px; align-items: center; flex-wrap: wrap; justify-content: center; }
.radar-box { flex-shrink: 0; }
.pct-box { flex: 1; min-width: 250px; }
.pct-row { display: flex; align-items: center; gap: 11px; margin-bottom: 11px; }
.pct-label { font-size: 12.5px; width: 66px; flex-shrink: 0; color: var(--text-dim); }
.pct-track {
  flex: 1; height: 8px; background: rgba(255,255,255,0.07);
  border-radius: 4px; position: relative; overflow: hidden;
}
.pct-fill {
  height: 100%; background: linear-gradient(90deg, #4da3ff, #5fd3a6);
  border-radius: 4px; transition: width 0.7s cubic-bezier(0.16,1,0.3,1);
}
.pct-mid { position: absolute; left: 50%; top: 0; bottom: 0; width: 1px; background: rgba(255,255,255,0.28); }
.pct-val { font-family: var(--mono); font-size: 12px; width: 40px; text-align: right; color: var(--text-dim); }

.factor-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(178px, 1fr)); gap: 12px; }
.factor-card {
  background: var(--panel-2); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 16px; position: relative; overflow: hidden;
}
.factor-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2.5px;
}
.factor-card.tone-excellent::before, .factor-card.tone-superior::before { background: var(--warn); }
.factor-card.tone-above::before, .factor-card.tone-average::before { background: var(--accent-2); }
.factor-card.tone-below::before { background: var(--text-mute); }
.factor-card.tone-weak::before { background: var(--danger); }
.fc-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 9px; }
.fc-name { font-size: 13.5px; font-weight: 700; }
.fc-badge { font-size: 10.5px; color: var(--text-mute); }
.fc-score { display: flex; align-items: baseline; gap: 4px; margin-bottom: 10px; }
.fc-iq { font-size: 31px; font-weight: 800; letter-spacing: -1px; }
.fc-iq-label { font-size: 11px; color: var(--text-mute); }
.fc-bar { height: 5px; background: rgba(255,255,255,0.08); border-radius: 3px; overflow: hidden; margin-bottom: 8px; }
.fc-bar-fill { height: 100%; background: linear-gradient(90deg, #4da3ff, #5fd3a6); border-radius: 3px; }
.fc-meta { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-mute); margin-bottom: 9px; }
.fc-desc { font-size: 11px; color: var(--text-mute); line-height: 1.6; }

.concl-main { font-size: 14.5px; line-height: 1.9; margin-bottom: 13px; }
.concl-sub { font-size: 13px; color: var(--text-dim); line-height: 1.8; }
.concl-sub strong { color: var(--accent); }
.concl-tags { display: flex; flex-direction: column; gap: 9px; margin-top: 20px; }
.ctag {
  display: flex; gap: 14px; align-items: baseline;
  padding: 11px 15px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.035); border-left: 3px solid var(--text-mute);
  font-size: 12.5px; line-height: 1.7;
}
.ctag b { flex-shrink: 0; font-size: 12px; }
.ctag span { color: var(--text-dim); }
.ctag-good { border-left-color: var(--accent-2); }
.ctag-good b { color: var(--accent-2); }
.ctag-weak { border-left-color: var(--warn); }
.ctag-weak b { color: var(--warn); }
.ctag-balance { border-left-color: var(--accent); }
.ctag-balance b { color: var(--accent); }

.advice-list { display: flex; flex-direction: column; gap: 10px; }
.advice-item {
  padding: 14px 16px; border-radius: var(--radius-sm);
  background: var(--panel-2); border: 1px solid var(--line);
}
.ai-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 7px; }
.ai-name { font-size: 13.5px; font-weight: 700; }
.ai-iq { font-family: var(--mono); font-size: 12px; color: var(--text-mute); }
.ai-text { font-size: 12.5px; color: var(--text-dim); line-height: 1.75; }
.advice-item.z-up { border-left: 3px solid var(--accent-2); }
.advice-item.z-down { border-left: 3px solid var(--warn); }
.advice-item.z-mid { border-left: 3px solid var(--line-strong); }

.type-table { display: flex; flex-direction: column; gap: 3px; }
.tt-head, .tt-row {
  display: grid; grid-template-columns: 88px 1fr 62px 150px;
  gap: 12px; align-items: center; padding: 9px 12px; border-radius: 7px;
}
.tt-head {
  font-size: 11px; color: var(--text-mute); background: rgba(255,255,255,0.04);
  font-weight: 600; letter-spacing: 0.5px;
}
.tt-row { font-size: 12.5px; }
.tt-row:nth-child(odd) { background: rgba(255,255,255,0.02); }
.tt-sub { font-size: 11.5px; color: var(--text-mute); }
.tt-num { font-family: var(--mono); color: var(--text-dim); }
.tt-bar { position: relative; height: 6px; background: rgba(255,255,255,0.07); border-radius: 3px; }
.tt-bar i { position: absolute; left: 0; top: 0; bottom: 0; background: linear-gradient(90deg,#4da3ff,#5fd3a6); border-radius: 3px; }
.tt-bar em {
  position: absolute; right: -38px; top: -6px;
  font-style: normal; font-size: 11px; font-family: var(--mono); color: var(--text-mute);
}

.rp-disclaimer { background: rgba(255,180,84,0.045); border-color: rgba(255,180,84,0.16); }
.rp-disclaimer .rp-h3::before { background: var(--warn); }
.rp-ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.rp-ul li {
  font-size: 12.5px; color: var(--text-dim); line-height: 1.75;
  padding-left: 17px; position: relative;
}
.rp-ul li::before {
  content: ''; position: absolute; left: 3px; top: 8.5px;
  width: 4px; height: 4px; border-radius: 50%; background: var(--warn); opacity: 0.65;
}

/* ============ 题目回顾与解析 ============ */
.review-block { background: var(--panel); }
.review-summary {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; flex-wrap: wrap; margin-bottom: 18px;
  font-size: 13px; color: var(--text-dim);
}
.review-summary b { color: var(--text); }
.review-toggle { font-size: 12.5px; padding: 8px 15px; }
.review-toggle.active { background: rgba(255,122,138,0.16); border-color: var(--danger); color: var(--danger); }
.review-note { font-size: 12px; color: var(--text-mute); margin-bottom: 14px; }

.review-list { display: flex; flex-direction: column; gap: 12px; }
.qq-card {
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--panel-2); padding: 15px 17px;
  border-left: 3px solid var(--text-mute);
}
.qq-card.correct { border-left-color: var(--accent-2); }
.qq-card.wrong { border-left-color: var(--danger); }
.qq-card.unans { border-left-color: var(--warn); }

.qq-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 11px; }
.qq-no { font-family: var(--mono); font-size: 12px; color: var(--text-mute); }
.qq-type { font-size: 13px; font-weight: 700; }
.qq-factor { font-size: 10.5px; padding: 2px 9px; border-radius: 999px; background: rgba(255,255,255,0.06); color: var(--text-dim); }
.qq-diff { font-size: 11px; color: var(--warn); letter-spacing: 1px; }
.qq-status { margin-left: auto; font-size: 11.5px; font-weight: 700; padding: 3px 11px; border-radius: 999px; }
.qst-correct { background: rgba(95,211,166,0.16); color: var(--accent-2); }
.qst-wrong { background: rgba(255,122,138,0.16); color: var(--danger); }
.qst-unans { background: rgba(255,180,84,0.16); color: var(--warn); }

.qq-stem { font-size: 13px; color: var(--text-dim); line-height: 1.7; margin-bottom: 10px; }
.qq-stem .number-series, .qq-stem .memory-prompt { font-size: 13px; }
.qq-fig { margin: 4px 0 12px; }
.qq-fig svg, .qq-opt-fig svg { max-width: 100%; height: auto; }
.qq-opt-fig svg { width: 54px; height: 54px; }

.qq-opts { display: flex; flex-wrap: wrap; gap: 10px; margin: 8px 0 12px; }
.qq-opt {
  display: flex; align-items: center; gap: 8px;
  border: 1px solid var(--line); border-radius: 10px; padding: 8px 11px;
  background: rgba(255,255,255,0.03); min-width: 60px;
}
.qq-opt.is-correct { border-color: var(--accent-2); background: rgba(95,211,166,0.12); }
.qq-opt.is-picked { box-shadow: 0 0 0 2px rgba(255,255,255,0.18) inset; }
.qq-opt.is-picked.is-correct { box-shadow: 0 0 0 2px var(--accent-2) inset; }
.qq-opt:not(.is-correct).is-picked { border-color: var(--danger); background: rgba(255,122,138,0.12); box-shadow: 0 0 0 2px var(--danger) inset; }
.qq-opt-key { font-family: var(--mono); font-size: 11px; color: var(--text-mute); }
.qq-opt-text { font-size: 13px; color: var(--text); font-family: var(--mono); }
.qq-opt-fig { display: inline-flex; }

.qq-explain {
  font-size: 12.5px; color: var(--text-dim); line-height: 1.75;
  padding-top: 11px; border-top: 1px dashed var(--line);
  display: flex; gap: 8px;
}
.qq-explain-label {
  flex-shrink: 0; font-size: 11px; font-weight: 700; color: var(--accent);
  background: rgba(77,163,255,0.14); padding: 2px 8px; border-radius: 6px;
}

.review-list.only-wrong .qq-card.correct,
.review-list.only-wrong .qq-card.unans { display: none; }

@media (max-width: 720px) {
  .qq-card { padding: 13px 13px; }
  .qq-opt { min-width: 52px; padding: 7px 9px; }
}

/* ============ 响应式 ============ */
@media (max-width: 720px) {
  .home { padding: 34px 16px 50px; }
  .quiz { padding: 14px 13px 34px; }
  .q-card { padding: 20px 17px; }
  .qz-top { gap: 13px; padding: 12px 15px; }
  .qz-timer { font-size: 17px; }
  .q-options { grid-template-columns: 1fr; }
  .rp-hero { padding: 24px 20px; }
  .rhi-num { font-size: 54px; }
  .rp-block { padding: 20px 17px; }
  .tt-head, .tt-row { grid-template-columns: 68px 1fr 48px 96px; gap: 8px; padding: 8px 8px; }
  .tt-bar em { right: -34px; font-size: 10px; }
  .radar-wrap { gap: 20px; }
  .nav-cell { width: 24px; height: 24px; font-size: 10.5px; }
  .hero-title { letter-spacing: -0.6px; }
}

/* ============ 打印 ============ */
@media print {
  body { background: #fff !important; color: #111 !important; }
  .rz-bar, .rp-bar-actions { display: none !important; }
  .rp-block, .rp-hero, .factor-card, .advice-item {
    background: #fafafa !important; border-color: #ddd !important;
    break-inside: avoid; page-break-inside: avoid;
  }
  .rp-hero.reveal { animation: none; }
  .rhi-num { -webkit-text-fill-color: #111 !important; color: #111 !important; }
  .rp-ul li, .ai-text, .fc-desc, .rp-note { color: #444 !important; }
}