:root {
  --bg: #0B1420;
  --bg2: #111C2B;
  --text: #F2F5F8;
  --muted: #7E8A9A;
  --accent: #00E5C0;
  --line: rgba(255, 255, 255, .08);
  --serif: "Songti SC", "Noto Serif SC", Georgia, serif;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  margin: 0; padding: 0; background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body { min-height: 100vh; position: relative; overflow-x: hidden; }
/* 背景光晕 */
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(620px 420px at 82% -8%, rgba(0, 229, 192, .13), transparent 62%),
    radial-gradient(520px 420px at -12% 34%, rgba(124, 92, 255, .09), transparent 60%);
}
/* 噪点 */
body::after {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 0; opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.page {
  position: relative; z-index: 1;
  max-width: 520px; margin: 0 auto; padding: 32px 22px 52px;
  min-height: 100vh; display: flex; flex-direction: column;
}

/* 品牌 */
.nav { display: flex; align-items: center; justify-content: space-between; margin-bottom: 56px; }
.logo { display: flex; align-items: center; gap: 9px; font-size: 14px; font-weight: 700; letter-spacing: .06em; }
.logo-mark {
  width: 16px; height: 16px; border-radius: 4px; display: inline-block;
  background: var(--accent);
  box-shadow: 0 0 18px rgba(0, 229, 192, .55);
  transform: rotate(45deg);
}
.nav-note { font-size: 9px; letter-spacing: .22em; color: var(--muted); }

.eyebrow { font-size: 10px; letter-spacing: .24em; color: var(--accent); margin-bottom: 18px; }
.hero-title {
  font-size: 37px; line-height: 1.22; margin: 0 0 18px; font-weight: 800; letter-spacing: -.02em;
}
.hero-title em {
  font-family: var(--serif); font-style: italic; font-weight: 600;
  color: var(--accent); letter-spacing: 0;
}
.hero-sub { color: var(--muted); font-size: 14px; line-height: 1.85; margin: 0 0 40px; }

/* 卡片 */
.cards { display: flex; flex-direction: column; gap: 12px; }
.card {
  display: flex; align-items: center; gap: 16px; text-align: left;
  background: linear-gradient(135deg, rgba(255,255,255,.035), rgba(255,255,255,0) 55%), var(--bg2);
  border: 1px solid var(--line); border-radius: 14px;
  padding: 18px 18px; color: var(--text); cursor: pointer;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.card:hover, .card:active {
  transform: translateY(-2px);
  border-color: var(--card-accent);
  box-shadow: 0 10px 30px -12px rgba(0,0,0,.6);
}
.card-no {
  font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums;
  letter-spacing: .08em; align-self: flex-start; padding-top: 3px;
}
.card-body { flex: 1; }
.card-name { font-size: 17px; font-weight: 700; margin-bottom: 5px; letter-spacing: .01em; }
.card-desc { font-size: 12px; color: var(--muted); line-height: 1.6; }
.card-arrow {
  font-size: 16px; color: var(--card-accent); opacity: .55;
  transition: transform .22s ease, opacity .22s ease;
}
.card:hover .card-arrow { transform: translateX(3px); opacity: 1; }

/* 按钮 */
.primary {
  display: block; width: 100%; background: var(--accent); color: #0B1420;
  border: none; border-radius: 13px; padding: 17px; font-size: 16px;
  font-weight: 800; letter-spacing: .02em; cursor: pointer; text-align: center; text-decoration: none;
  transition: transform .16s ease, box-shadow .16s ease, opacity .16s ease;
  box-shadow: 0 12px 30px -14px var(--accent);
}
.primary:hover { transform: translateY(-1px); box-shadow: 0 16px 34px -14px var(--accent); }
.primary:active { transform: translateY(0) scale(.995); }
.primary:disabled { opacity: .28; box-shadow: none; cursor: not-allowed; }
.ghost {
  display: block; text-align: center; margin-top: 12px; padding: 15px;
  border: 1px solid var(--line); border-radius: 13px; color: var(--text);
  text-decoration: none; font-size: 14px; transition: border-color .2s ease;
}
.ghost:hover { border-color: rgba(255,255,255,.22); }
.back {
  background: none; border: none; color: var(--muted); font-size: 13px;
  padding: 0; margin-bottom: 40px; text-align: left; cursor: pointer;
}
.footnote {
  color: var(--muted); font-size: 10px; text-align: center;
  margin-top: auto; padding-top: 40px; line-height: 1.8; letter-spacing: .02em;
}

/* 介绍页 */
.intro-list {
  color: var(--muted); font-size: 13px; line-height: 2.1;
  padding-left: 0; margin: 4px 0 44px; list-style: none;
}
.intro-list li { position: relative; padding-left: 18px; }
.intro-list li::before {
  content: ""; position: absolute; left: 0; top: 13px;
  width: 5px; height: 5px; border-radius: 50%; background: var(--accent); opacity: .7;
}

/* 答题 */
.quiz { padding-top: 28px; }
.topbar { display: flex; align-items: center; gap: 14px; margin-bottom: 40px; }
.progress { flex: 1; height: 2px; background: rgba(255,255,255,.08); border-radius: 2px; overflow: hidden; }
.bar { height: 100%; background: var(--accent); transition: width .45s cubic-bezier(.4,0,.2,1); box-shadow: 0 0 12px var(--accent); }
.counter { font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; letter-spacing: .06em; }
.qtype { font-size: 10px; color: var(--accent); letter-spacing: .22em; margin-bottom: 12px; }
.stem { font-size: 21px; line-height: 1.55; font-weight: 750; margin: 0 0 32px; letter-spacing: -.01em; }
.options { display: flex; flex-direction: column; gap: 10px; margin-bottom: 32px; }
.option {
  display: flex; gap: 13px; align-items: flex-start; text-align: left;
  background: rgba(255,255,255,.022); border: 1px solid var(--line); border-radius: 13px;
  padding: 16px; color: var(--text); font-size: 14.5px; line-height: 1.55;
  cursor: pointer; transition: border-color .18s ease, background .18s ease, transform .18s ease;
  opacity: 0; animation: fadeUp .42s ease forwards;
}
.option:nth-child(1) { animation-delay: .04s; }
.option:nth-child(2) { animation-delay: .10s; }
.option:nth-child(3) { animation-delay: .16s; }
.option:nth-child(4) { animation-delay: .22s; }
.option:hover { border-color: rgba(255,255,255,.2); }
.option.selected { border-color: var(--accent); background: rgba(0,229,192,.06); }
.opt-key {
  width: 21px; height: 21px; flex: 0 0 21px; border-radius: 50%;
  border: 1px solid var(--line); display: flex; align-items: center;
  justify-content: center; font-size: 11px; color: var(--muted);
  transition: all .18s ease;
}
.option.selected .opt-key { background: var(--accent); border-color: var(--accent); color: #0B1420; font-weight: 800; }
.opt-text { flex: 1; }
.quiz .primary { margin-top: auto; }

/* 报告 */
.report-card {
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, rgba(255,255,255,.04), rgba(255,255,255,0) 45%), var(--bg2);
  border: 1px solid var(--line); border-radius: 20px; padding: 30px 22px 24px;
}
.rc-top { font-size: 10px; letter-spacing: .24em; color: var(--muted); margin-bottom: 14px; }
.rc-tag {
  font-size: 42px; font-weight: 900; line-height: 1.08; margin-bottom: 8px;
  letter-spacing: -.02em; animation: scaleIn .7s cubic-bezier(.2,.8,.2,1) both;
}
.rc-dim { font-size: 13px; color: var(--accent); font-weight: 650; margin-bottom: 16px; letter-spacing: .04em; }
.rc-score { font-size: 18px; margin-left: 5px; font-variant-numeric: tabular-nums; }
.rc-quote {
  font-family: var(--serif); font-size: 15.5px; line-height: 1.85;
  color: var(--text); opacity: .92; margin: 0 0 6px;
}
.radar { width: 100%; height: 290px; }
.rc-section { margin-top: 4px; }
.rc-h {
  font-size: 10px; letter-spacing: .2em; color: var(--accent);
  margin: 20px 0 7px; padding-bottom: 6px; border-bottom: 1px solid var(--line);
}
.rc-section p { font-size: 13.5px; line-height: 1.8; color: var(--text); opacity: .86; margin: 0; }
.rc-foot {
  margin-top: 22px; padding-top: 14px; border-top: 1px solid var(--line);
  font-size: 10px; color: var(--muted); letter-spacing: .06em;
}
.actions { margin-top: 20px; }

/* 动效 */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(.92); }
  to { opacity: 1; transform: scale(1); }
}
.fade-up { animation: fadeUp .6s ease both; }

@media (max-width: 380px) {
  .hero-title { font-size: 31px; }
  .rc-tag { font-size: 35px; }
  .stem { font-size: 19px; }
  .page { padding: 26px 18px 44px; }
}

/* ===== 显影动画 ===== */
.report-card { transition: filter 1.9s cubic-bezier(.2,.7,.2,1), opacity 1.9s ease; }
.report-card.developing { filter: blur(16px) saturate(.55); opacity: .3; }
.report-card.developing::after {
  content: ""; position: absolute; left: 0; right: 0; top: -30%; height: 32%;
  background: linear-gradient(180deg, transparent, rgba(0, 229, 192, .22), transparent);
  animation: scan 1.5s ease-in-out infinite;
}
@keyframes scan {
  0% { top: -32%; }
  100% { top: 112%; }
}

/* ===== 组合与节奏 ===== */
.rc-combo {
  font-size: 15px; color: var(--accent); font-weight: 650;
  margin: -2px 0 10px; letter-spacing: .04em;
}
.rc-pace {
  display: inline-block; font-size: 10px; letter-spacing: .08em;
  color: var(--muted); border: 1px solid var(--line);
  border-radius: 999px; padding: 5px 11px; margin-bottom: 16px;
}
.rc-pace b { color: var(--text); font-weight: 600; }

/* ===== 首页微光 ===== */
.home .hero-title em { text-shadow: 0 0 32px rgba(0, 229, 192, .25); }