/* ============================================
   四川证训教育科技有限公司 - 网站样式
   设计语言：编辑式 / 监管文档风格 · 青色主调
   ============================================ */

:root {
  --bg: #F8FAFC;
  --bg-alt: #EEF4F7;
  --primary: #06B6D4;
  --primary-dark: #0891B2;
  --primary-light: #67E8F9;
  --text: #0F172A;
  --text-soft: #475569;
  --text-mute: #64748B;
  --border: #E2E8F0;
  --border-strong: #CBD5E1;
  --white: #FFFFFF;
  --radius: 4px;
  --radius-sm: 3px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 1px 3px rgba(15, 23, 42, 0.06), 0 4px 12px rgba(15, 23, 42, 0.04);
  --font: "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  --maxw: 1200px;
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 120px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: hidden; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }

/* ---------- 顶部公告条 ---------- */
.topbar {
  background: var(--text);
  color: #CBD5E1;
  font-size: 13px;
  letter-spacing: 0.02em;
}
.topbar__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 38px;
  flex-wrap: wrap;
}
.topbar__item { color: #E2E8F0; }
.topbar__dot {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--primary);
  display: inline-block;
}
.topbar__right { margin-left: auto; color: #94A3B8; }
.topbar__right strong { color: var(--primary-light); font-weight: 700; letter-spacing: 0.04em; }

/* ---------- 导航 ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 250, 252, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: saturate(140%) blur(6px);
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.header.scrolled { box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand__logo { width: 42px; height: 42px; object-fit: contain; border-radius: var(--radius-sm); }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name { font-size: 19px; font-weight: 700; color: var(--text); letter-spacing: 0.02em; }
.brand__sub { font-size: 10px; color: var(--text-mute); letter-spacing: 0.14em; font-weight: 600; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav__link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-soft);
  padding: 8px 14px;
  border-radius: var(--radius);
  position: relative;
  transition: color 0.2s ease, background 0.2s ease;
}
.nav__link:hover { color: var(--primary-dark); background: rgba(6, 182, 212, 0.06); }
.nav__link.active { color: var(--primary-dark); font-weight: 700; }
.nav__link.active::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 2px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.nav__toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav__toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.25s ease, opacity 0.2s ease; }
.nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius);
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
  letter-spacing: 0.02em;
}
.btn--primary { background: var(--primary); color: var(--white); box-shadow: 0 2px 0 var(--primary-dark); }
.btn--primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3); }
.btn--ghost { background: transparent; color: var(--text); border: 1.5px solid var(--border-strong); }
.btn--ghost:hover { border-color: var(--primary); color: var(--primary-dark); background: rgba(6, 182, 212, 0.04); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 72px 0 84px;
  background:
    radial-gradient(1100px 480px at 78% -10%, rgba(103, 232, 249, 0.18), transparent 60%),
    radial-gradient(700px 400px at 8% 110%, rgba(6, 182, 212, 0.08), transparent 60%),
    var(--bg);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: -1px -1px;
  opacity: 0.35;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.6), transparent 70%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,0.6), transparent 70%);
  pointer-events: none;
}
.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero__content { min-width: 0; width: 100%; }
.hero__media { position: relative; min-width: 0; width: 100%; }
.hero__eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--primary-dark);
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.25);
  padding: 6px 14px;
  border-radius: var(--radius);
  margin-bottom: 24px;
}
.hero__title {
  font-size: clamp(28px, 3.6vw, 42px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: 0.01em;
  color: var(--text);
  margin-bottom: 22px;
  overflow-wrap: break-word;
}
.hero__desc {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-soft);
  margin-bottom: 34px;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }
.hero__stats { display: flex; gap: 44px; }
.stat { display: flex; flex-direction: column; }
.stat__num {
  font-size: 38px;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1;
  letter-spacing: -0.01em;
}
.stat__label { font-size: 13px; color: var(--text-mute); margin-top: 8px; letter-spacing: 0.04em; }

.hero__img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.hero__badge {
  position: absolute;
  left: 20px;
  bottom: 20px;
  background: var(--text);
  color: var(--white);
  padding: 18px 22px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--primary);
}
.hero__badge-num {
  font-size: 34px;
  font-weight: 800;
  color: var(--primary-light);
  line-height: 1;
  font-family: "Segoe UI", sans-serif;
}
.hero__badge-text { font-size: 14px; font-weight: 600; line-height: 1.4; letter-spacing: 0.04em; }

/* ---------- 通用区块 ---------- */
.section { padding: 84px 0; position: relative; }
.section--alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section__head {
  display: flex;
  align-items: flex-start;
  gap: 22px;
  margin-bottom: 48px;
}
.section__index {
  font-size: 15px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.05em;
  border: 1.5px solid var(--primary);
  padding: 8px 12px;
  border-radius: var(--radius);
  line-height: 1;
  flex-shrink: 0;
  background: rgba(6, 182, 212, 0.05);
}
.section__title {
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.01em;
  line-height: 1.3;
}
.section__kicker { font-size: 15px; color: var(--text-mute); margin-top: 8px; }

/* ---------- 业务范围 ---------- */
.scope__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.scope-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  overflow: hidden;
}
.scope-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.scope-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.scope-card:hover::before { transform: scaleX(1); }
.scope-card--accent { background: var(--text); color: var(--white); border-color: var(--text); }
.scope-card--accent .scope-card__title { color: var(--white); }
.scope-card--accent .scope-card__text { color: #CBD5E1; }
.scope-card--accent .scope-card__tag { color: var(--primary-light); border-color: rgba(103, 232, 249, 0.4); background: rgba(103, 232, 249, 0.08); }
.scope-card--accent .scope-card__no { color: var(--primary-light); }
.scope-card--accent .scope-card__link { color: var(--primary-light); }
.scope-card--accent::before { background: var(--primary-light); }
.scope-card__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.scope-card__no { font-size: 32px; font-weight: 800; color: var(--border-strong); line-height: 1; font-family: "Segoe UI", sans-serif; }
.scope-card__tag {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--primary-dark);
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.25);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
}
.scope-card__title { font-size: 21px; font-weight: 700; margin-bottom: 14px; line-height: 1.4; }
.scope-card__text { font-size: 15px; line-height: 1.85; color: var(--text-soft); flex-grow: 1; margin-bottom: 22px; }
.scope-card__link { font-size: 14px; font-weight: 700; color: var(--primary-dark); letter-spacing: 0.04em; }

/* ---------- 标签切换 ---------- */
.tabs {
  display: inline-flex;
  gap: 4px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 5px;
  margin-bottom: 28px;
}
.tab {
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-soft);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}
.tab:hover { color: var(--primary-dark); }
.tab.active { background: var(--primary); color: var(--white); font-weight: 700; }
.tab-panel { display: none; animation: fadeIn 0.3s ease; }
.tab-panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- 表格 ---------- */
.table-wrap {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.table-wrap--mt { margin-top: 36px; }
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table thead th {
  background: var(--text);
  color: var(--white);
  font-weight: 700;
  text-align: left;
  padding: 15px 16px;
  letter-spacing: 0.04em;
  font-size: 13.5px;
  border-bottom: 2px solid var(--primary);
  white-space: nowrap;
}
.data-table tbody td {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-soft);
  vertical-align: top;
  line-height: 1.7;
}
.data-table tbody tr:nth-child(even) { background: rgba(241, 245, 249, 0.5); }
.data-table tbody tr:hover { background: rgba(6, 182, 212, 0.04); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table strong { color: var(--text); font-weight: 700; }
.data-table--compact tbody td { padding: 12px 16px; font-size: 13.5px; }
.price {
  display: inline-block;
  font-weight: 800;
  color: var(--primary-dark);
  font-size: 15px;
  font-family: "Segoe UI", sans-serif;
  letter-spacing: 0.01em;
}
.code-chip {
  display: inline-block;
  font-weight: 700;
  color: var(--primary-dark);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: "Segoe UI", monospace;
  letter-spacing: 0.05em;
}
.table-note { font-size: 13px; color: var(--text-mute); margin-top: 14px; padding-left: 4px; }

/* ---------- 特种设备项目卡片网格 ---------- */
.equip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.equip-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius);
  padding: 20px 22px;
  display: flex;
  align-items: center;
  gap: 18px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.equip-item:hover { transform: translateX(3px); box-shadow: var(--shadow-sm); border-left-color: var(--primary-dark); }
.equip-item__code {
  font-size: 14px;
  font-weight: 800;
  color: var(--primary-dark);
  background: rgba(6, 182, 212, 0.08);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-family: "Segoe UI", monospace;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  min-width: 64px;
  text-align: center;
  line-height: 1.3;
}
.equip-item__kind { display: block; font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 3px; }
.equip-item__name { display: block; font-size: 12.5px; color: var(--text-mute); line-height: 1.5; }

/* ---------- 报名条件 ---------- */
.cond-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.cond-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 30px;
  box-shadow: var(--shadow-sm);
}
.cond-card--wide { grid-column: 1 / -1; }
.cond-card__head { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.cond-card__no {
  font-size: 13px;
  font-weight: 800;
  color: var(--white);
  background: var(--primary);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  flex-shrink: 0;
}
.cond-card__title { font-size: 19px; font-weight: 700; color: var(--text); }
.cond-card__list { display: flex; flex-direction: column; gap: 14px; counter-reset: cond; }
.cond-card__list li {
  position: relative;
  padding-left: 34px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-soft);
  counter-increment: cond;
}
.cond-card__list li::before {
  content: counter(cond);
  position: absolute;
  left: 0; top: 1px;
  width: 22px; height: 22px;
  background: rgba(6, 182, 212, 0.1);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Segoe UI", sans-serif;
}
.cond-card__list--inline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 28px;
}
.cond-card__note {
  margin-top: 22px;
  padding: 14px 18px;
  background: rgba(6, 182, 212, 0.06);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.7;
}

/* ---------- 学历提升 ---------- */
.degree-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.degree-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 30px;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.degree-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.degree-card--feature { background: linear-gradient(160deg, var(--text) 0%, #1E293B 100%); color: var(--white); border-color: var(--text); }
.degree-card--feature .degree-card__title { color: var(--white); }
.degree-card--feature .degree-card__desc { color: var(--primary-light); }
.degree-card--feature .degree-card__points li { color: #CBD5E1; }
.degree-card--feature .degree-card__points li::before { background: var(--primary); }
.degree-card--feature .degree-card__tag { color: var(--text); background: var(--primary-light); border-color: var(--primary-light); }
.degree-card__tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--primary-dark);
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.25);
  padding: 5px 11px;
  border-radius: var(--radius-sm);
  margin-bottom: 22px;
}
.degree-card__title { font-size: 26px; font-weight: 800; margin-bottom: 10px; letter-spacing: 0.01em; }
.degree-card__desc { font-size: 16px; font-weight: 600; color: var(--primary-dark); margin-bottom: 24px; padding-bottom: 22px; border-bottom: 1px solid var(--border); }
.degree-card--feature .degree-card__desc { border-bottom-color: rgba(255,255,255,0.12); }
.degree-card__points { display: flex; flex-direction: column; gap: 12px; }
.degree-card__points li {
  position: relative;
  padding-left: 24px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
}
.degree-card__points li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 7px; height: 7px;
  background: var(--primary);
  border-radius: 50%;
}
.degree-levels {
  margin-top: 36px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding: 24px 28px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.degree-levels__label { font-size: 14px; font-weight: 700; color: var(--text-mute); letter-spacing: 0.06em; }
.degree-levels__chip {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.25);
  padding: 8px 22px;
  border-radius: var(--radius);
  letter-spacing: 0.04em;
}

/* ---------- 联系我们 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}
.contact-info__title { font-size: 24px; font-weight: 800; margin-bottom: 14px; color: var(--text); }
.contact-info__desc { font-size: 15px; line-height: 1.9; color: var(--text-soft); margin-bottom: 30px; }
.contact-list { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--border); }
.contact-list li {
  display: flex;
  align-items: baseline;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}
.contact-list__label { font-size: 13px; font-weight: 700; color: var(--text-mute); letter-spacing: 0.08em; width: 80px; flex-shrink: 0; }
.contact-list__value { font-size: 16px; font-weight: 600; color: var(--text); }
.qr-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.qr-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.qr-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.qr-card__img { width: 170px; height: 170px; object-fit: contain; border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 18px; background: var(--white); padding: 8px; }
.qr-card__label { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.qr-card__sub { font-size: 12.5px; color: var(--text-mute); letter-spacing: 0.04em; }

/* ---------- 页脚 ---------- */
.footer { background: var(--text); color: #94A3B8; padding: 52px 0 32px; }
.footer__inner { display: flex; flex-direction: column; gap: 28px; }
.footer__brand { display: flex; align-items: center; gap: 14px; }
.footer__logo { width: 44px; height: 44px; object-fit: contain; border-radius: var(--radius-sm); background: var(--white); padding: 4px; }
.footer__brand > div { display: flex; flex-direction: column; line-height: 1.3; }
.footer__name { font-size: 18px; font-weight: 700; color: var(--white); letter-spacing: 0.02em; }
.footer__sub { font-size: 11px; color: #64748B; letter-spacing: 0.12em; margin-top: 3px; }
.footer__links { display: flex; gap: 28px; flex-wrap: wrap; border-top: 1px solid #1E293B; border-bottom: 1px solid #1E293B; padding: 20px 0; }
.footer__links a { font-size: 14px; color: #CBD5E1; transition: color 0.2s ease; }
.footer__links a:hover { color: var(--primary-light); }
.footer__copy { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; color: #64748B; }
.footer__icp { letter-spacing: 0.04em; }

/* ---------- 返回顶部 ---------- */
.backtop {
  position: fixed;
  right: 32px;
  bottom: 32px;
  width: 46px; height: 46px;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.25s ease;
  z-index: 90;
}
.backtop.show { opacity: 1; visibility: visible; transform: translateY(0); }
.backtop:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ---------- 滚动进入动画 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .hero__grid { grid-template-columns: 1fr; gap: 48px; }
  .hero__img { height: 380px; }
  .hero__title { font-size: 36px; }
  .scope__grid, .degree-grid, .equip-grid { grid-template-columns: repeat(2, 1fr); }
  .cond-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 760px) {
  .container { padding: 0 20px; }
  .nav {
    position: fixed;
    top: 110px; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    gap: 2px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
  }
  .nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav__link { padding: 13px 16px; border-radius: var(--radius); }
  .nav__link.active::after { display: none; }
  .nav__toggle { display: flex; }
  .topbar__inner { height: auto; padding: 8px 0; gap: 8px; font-size: 12px; }
  .topbar__right { margin-left: 0; width: 100%; }
  .hero { padding: 48px 0 60px; }
  .hero__title { font-size: 28px; }
  .hero__desc { font-size: 15px; }
  .hero__stats { gap: 28px; }
  .stat__num { font-size: 30px; }
  .hero__badge { left: 16px; bottom: 16px; padding: 14px 18px; }
  .section { padding: 60px 0; }
  .section__title { font-size: 26px; }
  .section__head { gap: 16px; margin-bottom: 36px; }
  .scope__grid, .degree-grid, .equip-grid { grid-template-columns: 1fr; }
  .cond-card__list--inline { grid-template-columns: 1fr; }
  .qr-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .qr-card { padding: 20px 14px; }
  .qr-card__img { width: 130px; height: 130px; }
  .footer__copy { flex-direction: column; }
  .backtop { right: 20px; bottom: 20px; }

  /* 移动端表格转卡片式 */
  .table-wrap { box-shadow: none; border: none; background: transparent; }
  .data-table thead { display: none; }
  .data-table, .data-table tbody, .data-table tr, .data-table td { display: block; width: 100%; }
  .data-table tr {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    padding: 6px 0;
    box-shadow: var(--shadow-sm);
  }
  .data-table tbody tr:nth-child(even) { background: var(--white); }
  .data-table tbody td {
    border: none;
    border-bottom: 1px solid var(--border);
    padding: 12px 16px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
  }
  .data-table tbody td:last-child { border-bottom: none; }
  .data-table tbody td::before {
    content: attr(data-label);
    font-weight: 700;
    color: var(--text-mute);
    font-size: 12px;
    letter-spacing: 0.06em;
    width: 84px;
    flex-shrink: 0;
    padding-top: 2px;
  }
  .data-table tbody td:empty { display: none; }
  .data-table tbody td[rowspan]::before { display: none; }
}