/* 教师团队公开页：沿用官网 style.css 的品牌变量与页脚体系，仅补充页面场景样式。 */
.teacher-hero {
  position: relative;
  min-height: 650px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 135px 0 90px;
  color: #fff;
  background: linear-gradient(135deg, var(--navy-dark), var(--navy) 58%, var(--navy-mid));
}

.teacher-hero-grid {
  position: absolute;
  inset: 0;
  opacity: .7;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 58px 58px;
}

.teacher-hero-orb { position: absolute; border-radius: 50%; filter: blur(72px); pointer-events: none; }
.teacher-hero-orb-a { width: 550px; height: 550px; right: -170px; top: -190px; background: rgba(240,160,32,.17); }
.teacher-hero-orb-b { width: 420px; height: 420px; left: 12%; bottom: -260px; background: rgba(43,91,168,.4); }

.teacher-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 470px);
  align-items: center;
  gap: 74px;
}

.teacher-hero-copy { max-width: 610px; }
.teacher-hero-copy h1 { font-size: clamp(46px, 6vw, 76px); line-height: 1.08; font-weight: 800; }
.teacher-hero-copy h1 em { color: var(--gold-light); font-style: normal; }
.teacher-hero-desc { max-width: 580px; margin-top: 26px; color: rgba(255,255,255,.76); font-size: 17px; line-height: 1.9; }
.teacher-hero-copy .btn { margin-top: 31px; }
.btn-lg { padding: 14px 27px; }
.btn-navy { background: var(--navy); color: #fff; box-shadow: 0 5px 16px rgba(26,50,96,.18); }
.btn-navy:hover { background: var(--navy-mid); }

.teacher-stat-panel {
  padding: 29px;
  border: 1px solid rgba(255,255,255,.17);
  border-radius: 24px;
  background: rgba(7,24,52,.38);
  box-shadow: 0 24px 70px rgba(0,0,0,.2);
  backdrop-filter: blur(10px);
}

.teacher-stat-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: rgba(255,255,255,.74); font-size: 14px; }
.teacher-stat-panel-head b { color: var(--gold-light); font-size: 11px; letter-spacing: .12em; }
.teacher-stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin: 28px 0; overflow: hidden; border: 1px solid rgba(255,255,255,.1); border-radius: 16px; background: rgba(255,255,255,.1); }
.teacher-stat-grid > div { padding: 23px 20px; background: rgba(7,24,52,.36); }
.teacher-stat-grid strong { display: block; color: #fff; font-size: 35px; line-height: 1.1; letter-spacing: -.04em; }
.teacher-stat-grid strong span { color: var(--gold-light); font-size: 20px; }
.teacher-stat-grid small { display: block; margin-top: 8px; color: rgba(255,255,255,.52); font-size: 12px; }
.teacher-stat-note { display: flex; align-items: center; gap: 10px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.64); font-size: 12px; }
.pulse-dot { width: 7px; height: 7px; flex: 0 0 auto; border-radius: 50%; background: #65c58c; box-shadow: 0 0 0 5px rgba(101,197,140,.12); }

.teacher-directory { background: #f5f5f7; }
.teacher-section-header { margin-bottom: 43px; }
.teacher-filter-card { display: grid; grid-template-columns: minmax(230px, 1.5fr) repeat(3, minmax(140px, 1fr)) auto; gap: 10px; padding: 13px; border: 1px solid rgba(26,50,96,.1); border-radius: 18px; background: #fff; box-shadow: 0 10px 30px rgba(13,31,64,.08); }
.teacher-filter-card label { min-width: 0; }
.teacher-search { display: flex; align-items: center; gap: 8px; padding: 0 14px; border: 1px solid rgba(0,0,0,.1); border-radius: 11px; color: var(--navy); }
.teacher-search span { font-size: 24px; line-height: 1; }
.teacher-search input, .teacher-filter-card select { width: 100%; height: 44px; border: 0; outline: 0; background: transparent; color: var(--text-1); font: inherit; font-size: 14px; }
.teacher-filter-card select { padding: 0 12px; border: 1px solid rgba(0,0,0,.1); border-radius: 11px; cursor: pointer; }
.teacher-filter-card .btn { height: 44px; padding: 0 18px; font-size: 13px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.teacher-directory-meta { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 25px 0 19px; }
.teacher-directory-meta > p { color: var(--navy); font-size: 14px; font-weight: 800; }
.teacher-industry-pills { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.teacher-industry-pills button { padding: 6px 10px; border: 1px solid rgba(26,50,96,.12); border-radius: 17px; background: #fff; color: var(--text-2); font: inherit; font-size: 12px; cursor: pointer; transition: color .18s, border-color .18s, transform .18s; }
.teacher-industry-pills button:hover { transform: translateY(-1px); border-color: var(--gold); color: var(--navy); }
.teacher-industry-pills span { margin-left: 5px; color: var(--gold); font-weight: 800; }

.teacher-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.teacher-card { display: flex; min-height: 315px; flex-direction: column; padding: 22px; border: 1px solid rgba(0,0,0,.07); border-radius: 18px; background: #fff; box-shadow: 0 8px 22px rgba(13,31,64,.06); transition: transform .2s, box-shadow .2s, border-color .2s; }
.teacher-card:hover { transform: translateY(-3px); border-color: rgba(240,160,32,.4); box-shadow: 0 14px 32px rgba(13,31,64,.1); }
.teacher-card-top { display: flex; align-items: center; gap: 12px; min-width: 0; }
.teacher-avatar { display: grid; width: 46px; height: 46px; flex: 0 0 auto; place-items: center; border-radius: 15px; background: linear-gradient(145deg, var(--navy), var(--navy-mid)); color: var(--gold-light); font-size: 20px; font-weight: 800; }
.teacher-card-top h3 { overflow: hidden; color: var(--text-1); font-size: 20px; text-overflow: ellipsis; white-space: nowrap; }
.teacher-card-top p { overflow: hidden; margin-top: 3px; color: var(--text-2); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.teacher-rank { margin-left: auto; padding: 5px 8px; border-radius: 13px; background: rgba(240,160,32,.13); color: #a66c08; font-size: 11px; font-weight: 800; white-space: nowrap; }
.teacher-rank-总监级 { background: rgba(26,50,96,.1); color: var(--navy); }
.teacher-rank-资深级 { background: rgba(43,91,168,.1); color: var(--blue); }
.teacher-card-facts { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 8px; margin: 22px 0 17px; padding: 14px 0; border-top: 1px solid rgba(0,0,0,.07); border-bottom: 1px solid rgba(0,0,0,.07); }
.teacher-card-facts span { min-width: 0; }
.teacher-card-facts b { display: block; overflow: hidden; color: var(--navy); font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.teacher-card-facts small { display: block; margin-top: 4px; color: var(--text-3); font-size: 11px; }
.teacher-skills { min-height: 51px; color: var(--text-2); font-size: 13px; line-height: 1.7; }
.teacher-skills strong { margin-right: 8px; color: var(--gold); font-size: 12px; }
.teacher-card details { margin-top: auto; padding-top: 15px; border-top: 1px solid rgba(0,0,0,.06); }
.teacher-card summary { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: var(--navy); font-size: 12px; font-weight: 800; cursor: pointer; list-style: none; }
.teacher-card summary::-webkit-details-marker { display: none; }
.teacher-card summary::after { content: '＋'; color: var(--gold); font-size: 16px; font-weight: 400; }
.teacher-card details[open] summary::after { content: '－'; }
.teacher-card summary span { margin-left: auto; color: var(--text-3); font-weight: 500; }
.teacher-card details > p { margin-top: 12px; color: var(--text-2); font-size: 12px; line-height: 1.8; }
.teacher-empty { display: grid; place-items: center; min-height: 220px; border: 1px dashed rgba(26,50,96,.2); border-radius: 18px; background: rgba(255,255,255,.7); color: var(--text-2); text-align: center; }
.teacher-empty[hidden] { display: none !important; }
.teacher-empty strong { display: block; color: var(--navy); font-size: 18px; }
.teacher-empty span { margin-top: 5px; font-size: 13px; }
.teacher-pagination { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 28px; }
.teacher-pagination[hidden] { display: none; }
.teacher-pagination button { min-width: 36px; height: 36px; padding: 0 11px; border: 1px solid rgba(26,50,96,.13); border-radius: 10px; background: #fff; color: var(--navy); font: inherit; font-size: 12px; font-weight: 700; cursor: pointer; transition: color .18s, background .18s, border-color .18s, transform .18s; }
.teacher-pagination button:hover:not(:disabled) { transform: translateY(-1px); border-color: var(--gold); }
.teacher-pagination button.is-active { border-color: var(--navy); background: var(--navy); color: #fff; }
.teacher-pagination button:disabled { cursor: not-allowed; opacity: .38; }

.teacher-note-section { padding: 78px 0; }
.teacher-note-inner { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 70px; }
.teacher-note-inner h2 { color: #fff; font-size: clamp(31px, 4vw, 48px); }
.teacher-note-inner > p { color: rgba(255,255,255,.72); font-size: 16px; line-height: 1.9; }

@media (max-width: 980px) {
  .teacher-hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .teacher-stat-panel { max-width: 620px; }
  .teacher-filter-card { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .teacher-search { grid-column: span 3; }
  .teacher-filter-card .btn { grid-column: span 3; justify-self: start; }
  .teacher-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .teacher-note-inner { gap: 36px; }
}

@media (max-width: 720px) {
  .teacher-hero { min-height: auto; padding: 116px 0 65px; }
  .teacher-hero-copy h1 { font-size: clamp(43px, 13vw, 65px); }
  .teacher-hero-desc { font-size: 15px; }
  .teacher-stat-panel { padding: 22px; }
  .teacher-filter-card { grid-template-columns: 1fr; }
  .teacher-search, .teacher-filter-card .btn { grid-column: auto; }
  .teacher-directory-meta { align-items: flex-start; flex-direction: column; }
  .teacher-industry-pills { justify-content: flex-start; }
  .teacher-grid { grid-template-columns: 1fr; }
  .teacher-note-inner { grid-template-columns: 1fr; gap: 26px; }
  .teacher-note-section { padding: 60px 0; }
}