/* ==========================================================================
   MBTI 性格测试 PC 官网
   设计令牌沿用小程序定稿体系：白底 + 细线扁平卡片 + 四色人格色
   ========================================================================== */
:root {
  --bg: #FFFFFF;
  --card: #FFFFFF;
  --surface: #F5F6F7;
  --surface-strong: #ECEDEF;
  --border: #EBEBEB;
  --border-strong: #D9D9D9;
  --primary: #88619A;
  --primary-strong: #755082;
  --primary-soft: rgba(136, 97, 154, 0.08);
  --text: #26262B;
  --text-sub: #6B6B72;
  --text-weak: #9A9AA0;
  --analysts: #88619A;
  --diplomats: #33A474;
  --sentinels: #4298B4;
  --explorers: #E4AE3A;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --container: 1120px;
  --nav-h: 64px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-strong); }
img { display: block; max-width: 100%; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部导航 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.nav {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.brand__logo {
  width: 36px; height: 36px;
  border-radius: 8px;
  object-fit: contain;
}
.brand__text { display: flex; flex-direction: column; line-height: 1.3; }
.brand__name { font-size: 17px; font-weight: 700; color: var(--text); }
.brand__sub { font-size: 12px; color: var(--text-weak); margin-top: 2px; }

.nav__links { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav__links a {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-sub);
  font-size: 15px;
  white-space: nowrap;
}
.nav__links a:hover { color: var(--primary); background: var(--primary-soft); }
.nav__links .is-active { color: var(--primary); font-weight: 600; }

/* 下拉：四种气质 */
.nav__drop { position: relative; }
.nav__drop-btn { cursor: default; }
.nav__drop-menu {
  position: absolute;
  top: 100%; left: 0;
  min-width: 176px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 6px;
  display: none;
}
.nav__drop:hover .nav__drop-menu,
.nav__drop:focus-within .nav__drop-menu { display: block; }
.nav__drop-menu a {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 12px;
  font-size: 14px;
}
.nav__drop-menu .dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }

.nav__toggle {
  display: none;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: 14px;
  color: var(--text-sub);
  cursor: pointer;
}

/* ---------- 通用区块 ---------- */
.section { padding: 56px 0 0; }
.section--last { padding-bottom: 56px; }

.section__head { margin-bottom: 24px; }
.section__title {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.section__more {
  display: inline-block;
  margin-left: 10px;
  padding: 2px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12px;
  color: var(--text-weak);
  font-weight: 400;
  vertical-align: 4px;
}
.section__sub { color: var(--text-sub); font-size: 15px; margin-top: 6px; }

/* 白卡细线（小程序同款视觉） */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border: none;
  cursor: pointer;
}
.btn:hover { background: var(--primary-strong); color: #fff; }
.btn--ghost {
  background: var(--card);
  color: var(--primary);
  border: 1px solid var(--primary);
}
.btn--ghost:hover { background: var(--primary-soft); color: var(--primary); }

/* ---------- 首页 Hero ---------- */
.hero { padding: 64px 0 40px; }
.hero__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero__title {
  font-size: 40px;
  line-height: 1.35;
  font-weight: 800;
  letter-spacing: 1px;
}
.hero__title em { font-style: normal; color: var(--primary); }
.hero__sub { margin-top: 14px; color: var(--text-sub); font-size: 17px; }
.hero__actions { margin-top: 28px; display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero__trust { margin-top: 18px; color: var(--text-weak); font-size: 13px; }
.hero__trust b { color: var(--text-sub); font-weight: 500; }

/* Hero 右侧：扫码卡片 */
.scan-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
}
.scan-card__qr {
  width: 200px;
  height: 228px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.scan-card__qr img, .scan-card__qr canvas, .scan-card__qr svg {
  width: 100%; height: 100%;
  object-fit: contain;
}
.scan-card__title { margin-top: 14px; font-size: 17px; font-weight: 700; }
.scan-card__tip { margin-top: 4px; color: var(--text-sub); font-size: 14px; }

.hero-banner {
  margin-top: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.hero-banner img { width: 100%; height: auto; }

/* ---------- 数据条 ---------- */
.stats { margin-top: 40px; }
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.stats__item {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 16px;
  text-align: center;
  background: var(--card);
}
.stats__num { font-size: 26px; font-weight: 800; color: var(--primary); }
.stats__label { font-size: 13px; color: var(--text-sub); margin-top: 2px; }

/* ---------- 测试版本 ---------- */
.versions { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.version {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  background: var(--card);
  transition: border-color .15s;
}
.version:hover { border-color: var(--primary); }
.version__icon { width: 56px; height: 56px; flex: none; border-radius: var(--radius-md); overflow: hidden; }
.version__name { font-size: 18px; font-weight: 700; }
.version__badge {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  vertical-align: 2px;
}
.version__desc { margin-top: 4px; color: var(--text-sub); font-size: 14px; }
.version__meta { margin-top: 10px; color: var(--text-weak); font-size: 13px; }
.version__go { margin-top: 12px; font-size: 14px; font-weight: 600; }

/* ---------- 三步流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  background: var(--card);
}
.step__num {
  display: inline-block;
  width: 24px; height: 24px;
  line-height: 24px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 10px;
}
.step__img { width: 96px; height: 96px; margin: 0 auto 12px; }
.step__title { font-size: 16px; font-weight: 600; }

/* ---------- 四种气质（实色底白字，小程序同款） ---------- */
.groups { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.group-card {
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  color: #fff;
  display: block;
}
.group-card:hover { opacity: .92; color: #fff; }
.group-card__name { font-size: 20px; font-weight: 800; }
.group-card__members { margin-top: 6px; font-size: 13px; opacity: .85; letter-spacing: 1px; }
.group-card__desc { margin-top: 14px; font-size: 14px; line-height: 1.6; opacity: .95; }

/* ---------- 16 型图鉴 ---------- */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.type-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 20px 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
  transition: border-color .15s;
}
.type-chip:hover { border-color: var(--primary); }
.type-chip__avatar {
  width: 76px; height: 76px;
  background: var(--surface);
}
.type-chip__key { font-size: 15px; font-weight: 700; letter-spacing: 1px; }
.type-chip__name { font-size: 13px; color: var(--text-sub); }

/* ---------- 四维度 ---------- */
.dims { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.dim {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  background: var(--card);
}
.dim__name { font-size: 15px; font-weight: 700; color: var(--text-sub); }
.dim__pair { margin-top: 14px; display: flex; justify-content: space-around; gap: 12px; }
.dim__half { text-align: center; }
.dim__avatar { width: 64px; height: 64px; margin: 0 auto; background: var(--surface); }
.dim__letter { margin-top: 8px; font-size: 20px; font-weight: 800; }
.dim__label { font-size: 13px; color: var(--text-sub); }

/* ---------- FAQ ---------- */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card);
  padding: 18px 22px;
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 20px; color: var(--primary); font-weight: 400; }
.faq[open] summary::after { content: "−"; }
.faq__body { margin-top: 10px; color: var(--text-sub); font-size: 15px; }
.faq__body p + p { margin-top: 8px; }

/* ---------- 全站扫码导流区 ---------- */
.qr-cta { padding: 56px 0; background: var(--surface); margin-top: 56px; }
.qr-cta__card {
  display: flex;
  gap: 40px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
.qr-cta__box {
  width: 220px; height: 250px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
}
.qr-cta__box img, .qr-cta__box canvas, .qr-cta__box svg {
  width: 100%; height: 100%;
  object-fit: contain;
}
.qr-cta__text { max-width: 460px; }
.qr-cta__title { font-size: 26px; font-weight: 800; }
.qr-cta__desc { margin-top: 10px; color: var(--text-sub); }
.qr-cta__list { margin-top: 14px; list-style: none; }
.qr-cta__list li {
  padding-left: 20px;
  position: relative;
  color: var(--text-sub);
  font-size: 15px;
  margin-top: 6px;
}
.qr-cta__list li::before {
  content: "";
  position: absolute;
  left: 2px; top: 11px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

/* ---------- 面包屑 / 页头 ---------- */
.breadcrumb { padding: 20px 0 0; font-size: 13px; color: var(--text-weak); }
.breadcrumb a { color: var(--text-weak); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { margin: 0 6px; }

.page-head { padding: 36px 0 8px; }
.page-head__title { font-size: 34px; font-weight: 800; letter-spacing: 1px; }
.page-head__sub { margin-top: 10px; color: var(--text-sub); font-size: 16px; max-width: 720px; }

/* ---------- 人格类型详情页 ---------- */
.type-hero { display: flex; gap: 32px; align-items: center; padding: 32px 0 8px; flex-wrap: wrap; }
.type-hero__avatar { width: 150px; height: 150px; flex: none; border-radius: 24px; border: 1px solid var(--border); background: var(--surface); }
.type-hero__body { flex: 1; min-width: 300px; }
.type-hero__name { font-size: 32px; font-weight: 800; }
.type-hero__en { color: var(--text-weak); font-size: 14px; margin-top: 2px; }
.type-hero__summary { margin-top: 10px; color: var(--text-sub); font-size: 16px; }

.letters { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.letter {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 8px 18px;
  background: var(--card);
  min-width: 76px;
}
.letter__key { font-size: 20px; font-weight: 800; }
.letter__label { font-size: 12px; color: var(--text-sub); }

.info-card h2 { font-size: 20px; font-weight: 700; }
.info-card ul { margin-top: 12px; padding-left: 22px; }
.info-card li { margin-top: 8px; color: var(--text-sub); }
.info-card li::marker { color: var(--primary); }

/* 问答块（GEO 友好） */
.qa-list { display: flex; flex-direction: column; gap: 16px; }
.qa {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  background: var(--card);
}
.qa__q { font-size: 17px; font-weight: 700; color: var(--text); }
.qa__q::before { content: "问 "; color: var(--primary); font-weight: 800; }
.qa__a { margin-top: 8px; color: var(--text-sub); }
.qa__a::before { content: "答 "; color: var(--primary); font-weight: 800; }

/* ---------- 气质组详情页 ---------- */
.group-hero { border-radius: var(--radius-lg); padding: 40px; color: #fff; }
.group-hero__tag { font-size: 14px; opacity: .85; letter-spacing: 2px; }
.group-hero__title { font-size: 34px; font-weight: 800; margin-top: 6px; }
.group-hero__desc { margin-top: 10px; font-size: 16px; max-width: 640px; opacity: .95; }

.member-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.member {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  background: var(--card);
  transition: border-color .15s;
}
.member:hover { border-color: var(--primary); }
.member__avatar { width: 72px; height: 72px; flex: none; border-radius: 16px; background: var(--surface); }
.member__key { font-size: 13px; font-weight: 700; letter-spacing: 1px; color: var(--text-weak); }
.member__name { font-size: 18px; font-weight: 700; margin-top: 2px; }
.member__summary { margin-top: 6px; font-size: 14px; color: var(--text-sub); }

/* ---------- 16型总览页 ---------- */
.overview-list { display: flex; flex-direction: column; gap: 14px; }
.overview {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  background: var(--card);
  transition: border-color .15s;
}
.overview:hover { border-color: var(--primary); }
.overview__avatar { width: 64px; height: 64px; flex: none; border-radius: 14px; background: var(--surface); }
.overview__key { font-size: 13px; font-weight: 700; letter-spacing: 1px; color: var(--text-weak); }
.overview__name { font-size: 17px; font-weight: 700; }
.overview__summary { margin-top: 4px; font-size: 14px; color: var(--text-sub); }

/* ---------- 站点地图 ---------- */
.sitemap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.sitemap h2 { font-size: 17px; font-weight: 700; margin-bottom: 12px; }
.sitemap ul { list-style: none; }
.sitemap li { margin-top: 8px; font-size: 15px; }
.sitemap .sm-group { margin-top: 32px; }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--border); margin-top: 56px; padding: 40px 0 32px; background: var(--surface); }
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
}
.footer h3 { font-size: 15px; font-weight: 700; margin-bottom: 12px; }
.footer ul { list-style: none; }
.footer li { margin-top: 8px; }
.footer a, .footer p { font-size: 14px; color: var(--text-sub); }
.footer__brand p { margin-top: 10px; }
.footer__note {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--text-weak);
  font-size: 12px;
  line-height: 1.8;
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; }
  .groups { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(3, 1fr); }
  .versions, .dims, .steps, .member-grid { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .sitemap { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav__toggle { display: block; }
  .nav__links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 8px 16px 16px;
  }
  .nav__links.is-open { display: flex; }
  .nav__drop-menu { position: static; border: none; padding: 0 0 0 16px; }
  .nav__drop:hover .nav__drop-menu,
  .nav__drop:focus-within .nav__drop-menu { display: block; }
  .hero { padding-top: 40px; }
  .hero__title { font-size: 30px; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .groups { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .sitemap { grid-template-columns: 1fr; }
  .qr-cta__card { flex-direction: column; text-align: center; }
  .duo { grid-template-columns: 1fr; }
}

/* ---------- 富内容组件（类型页/气质页/什么是MBTI页） ---------- */
/* 本页目录 */
.toc {
  margin-top: 8px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  background: var(--card);
}
.toc__label { font-size: 13px; color: var(--text-weak); font-weight: 600; margin-right: 2px; }
.toc a {
  font-size: 13px;
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-sub);
}
.toc a:hover { border-color: var(--primary); color: var(--primary); }

/* 正文段落卡片 */
.prose p { color: var(--text-sub); line-height: 1.85; }
.prose p + p { margin-top: 12px; }
.prose h2 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.prose h3 { font-size: 16px; font-weight: 700; margin: 18px 0 8px; color: var(--text); }
.prose a { font-weight: 600; }

/* 优势/弱点双栏 */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.plus-list, .minus-list { list-style: none; padding-left: 0; margin-top: 12px; }
.plus-list li, .minus-list li {
  position: relative;
  padding-left: 26px;
  color: var(--text-sub);
  line-height: 1.75;
}
.plus-list li { margin-top: 10px; }
.minus-list li { margin-top: 10px; }
.plus-list li::before, .minus-list li::before {
  position: absolute;
  left: 0; top: 4px;
  width: 16px; height: 16px;
  border-radius: 50%;
  text-align: center;
  line-height: 14px;
  font-size: 12px;
  font-weight: 700;
}
.plus-list li::before { content: "+"; color: #2E9E6B; border: 1px solid #2E9E6B; }
.minus-list li::before { content: "−"; color: #B08A3E; border: 1px solid #C9A45C; }

/* 职业方向标签 */
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.tag {
  padding: 5px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-sub);
  background: var(--card);
}
.work-note { margin-top: 14px; font-size: 13px; color: var(--text-weak); }

/* 维度说明段落 */
.dim__desc { font-size: 14px; color: var(--text-sub); line-height: 1.75; margin-top: 12px; }

/* 八个方向速查 */
.letter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 14px;
}
.letter-cell {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 13px;
  color: var(--text-sub);
}
.letter-cell b { color: var(--primary); margin-right: 6px; }

/* 结果解读条目 */
.read-item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.read-item:last-child { border-bottom: none; }
.read-item__num {
  flex: none;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  line-height: 24px;
}

@media (max-width: 720px) {
  .letter-grid { grid-template-columns: repeat(2, 1fr); }
}