/* ==========================================================================
   虑得企服官网 - 共用样式
   设计风格：简约现代 / 大量留白 / 清晰层次
   品牌色通过 CSS 变量定义，替换品牌色只需修改 :root 中的变量
   ========================================================================== */

:root {
  /* ---- 品牌色：克莱因蓝 #002FA7 + 申布伦黄 #F9DC24 ---- */
  --brand-900: #001a5c;      /* 品牌色-最深 */
  --brand-700: #002080;      /* 品牌色-深（hover） */
  --brand-500: #002FA7;      /* 品牌色-主色：克莱因蓝 */
  --brand-100: #c5d0f0;      /* 品牌色-浅（标签底色） */
  --brand-50:  #e8ecf8;      /* 品牌色-极浅（区块底色） */

  /* ---- 辅助色：申布伦黄 #F9DC24 ---- */
  --accent-500: #F9DC24;     /* 申布伦黄 */
  --accent-600: #e0c420;     /* 申布伦黄-深 */
  --accent-100: #fff8cc;     /* 申布伦黄-浅 */

  /* ---- 中性色 ---- */
  --gray-900: #0f172a;       /* 主标题 */
  --gray-700: #334155;       /* 正文 */
  --gray-500: #64748b;       /* 次要文字 */
  --gray-300: #cbd5e1;       /* 分割线 */
  --gray-100: #F5F5F5;       /* 浅灰背景：#F5F5F5 */
  --white: #ffffff;

  /* ---- 凹凸感阴影 ---- */
  --shadow-sm: 0 2px 8px rgba(0, 47, 167, 0.06);
  --shadow-md: 0 6px 20px rgba(0, 47, 167, 0.10);
  --shadow-lg: 0 16px 40px rgba(0, 47, 167, 0.14);
  --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-card-hover: 0 12px 28px rgba(0, 47, 167, 0.18), 0 4px 8px rgba(0, 0, 0, 0.06);
  --shadow-nav: 0 2px 12px rgba(0, 47, 167, 0.08);
  --shadow-btn: 0 4px 14px rgba(0, 47, 167, 0.30);
  --shadow-btn-hover: 0 8px 24px rgba(0, 47, 167, 0.40);
  --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.04);

  /* ---- 其他 ---- */
  --radius: 12px;
  --radius-lg: 20px;
  --container: 1200px;
  --nav-height: 72px;
  --transition: 0.25s ease;
  --shadow-tag: 0 4px 10px rgba(0, 0, 0, 0.25), 0 1px 2px rgba(0, 0, 0, 0.15); /* 黄色标签凸起感阴影 */
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial,
    sans-serif;
  color: var(--gray-700);
  background: var(--gray-100);
  line-height: 1.7;
  font-size: 16px;
  letter-spacing: 0.03em;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--brand-500); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--brand-700); }

h1, h2, h3, h4, h5, h6 { color: var(--gray-900); font-weight: 700; line-height: 1.3; }
h1 { font-size: 2.75rem; letter-spacing: 0.06em; }
h2 { font-size: 2.125rem; letter-spacing: 0.04em; }
h3 { font-size: 1.375rem; letter-spacing: 0.03em; }
h4 { font-size: 1.125rem; letter-spacing: 0.02em; }

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

/* ==========================================================================
   导航栏
   ========================================================================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(203, 213, 225, 0.5);
  height: var(--nav-height);
  box-shadow: var(--shadow-nav);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand { display: flex; align-items: center; gap: 10px; }

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 0;
  background: var(--accent-500);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-500);
  font-weight: 800;
  font-size: 18px;
  box-shadow: var(--shadow-tag);
}

.brand-logo-img {
  height: 38px;
  width: auto;
  display: block;
  object-fit: contain;
  border-radius: 0;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--brand-500);
  letter-spacing: 0.02em;
}
.brand-name small { display: block; font-size: 0.625rem; font-weight: 500; color: var(--gray-500); letter-spacing: 0.22em; margin-top: -2px; }

.nav-links { display: flex; align-items: center; gap: 8px; list-style: none; }

.nav-links a {
  display: block;
  padding: 8px 16px;
  border-radius: 8px;
  color: var(--gray-700);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.03em;
}
.nav-links a:hover { color: var(--brand-500); background: var(--brand-50); box-shadow: var(--shadow-inset); }
.nav-links a.active { color: var(--brand-500); font-weight: 600; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  padding: 8px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--gray-900);
  border-radius: 2px;
  transition: var(--transition);
}
.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); }

/* ==========================================================================
   页头（内页用）
   ========================================================================== */
.page-hero {
  background: var(--gray-100);
  padding: 88px 0 64px;
  text-align: center;
  border-bottom: 1px solid var(--gray-300);
}
.page-hero h1 { margin-bottom: 16px; }
.page-hero p { max-width: none; margin: 0 auto; color: var(--gray-500); font-size: 1.125rem; letter-spacing: 0.03em; }
.page-hero .eyebrow {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 0;
  background: var(--accent-500);
  color: var(--brand-700);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 0.06em;
  box-shadow: var(--shadow-tag);
}

/* ==========================================================================
   区块通用
   ========================================================================== */
.section { padding: 96px 0; }
.section-alt { background: var(--gray-100); }
.section-head { max-width: 680px; margin: 0 auto 56px; text-align: center; }
.section-head .eyebrow {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 0;
  background: var(--accent-500);
  color: var(--brand-700);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.06em;
  box-shadow: var(--shadow-tag);
}
.section-head h2 { margin-bottom: 14px; }
.section-head p { color: var(--gray-500); letter-spacing: 0.03em; }

/* ==========================================================================
   首页 Hero
   ========================================================================== */
.hero {
  position: relative;
  padding: 120px 0 140px;
  background: var(--gray-100);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.hero-inner { text-align: center; max-width: 1100px; margin: 0 auto; }
.hero .eyebrow {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 0;
  background: var(--accent-500);
  color: var(--brand-700);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 24px;
  box-shadow: var(--shadow-tag);
}
.hero h1 { font-size: 3.25rem; line-height: 1.18; margin-bottom: 24px; letter-spacing: 0.08em; }
.hero h1 .highlight {
  color: var(--brand-500);
}
.hero p.lead { font-size: 1.25rem; color: var(--gray-500); max-width: none; margin: 0 auto 40px; letter-spacing: 0.04em; }

.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---- 按钮 ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-primary {
  background: var(--brand-500);
  color: #fff !important;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover { background: var(--brand-700); transform: translateY(-2px); box-shadow: var(--shadow-btn-hover); }
.btn-outline {
  background: transparent;
  color: var(--gray-900) !important;
  border: 1.5px solid var(--gray-300);
}
.btn-outline:hover { border-color: var(--brand-500); color: var(--brand-500) !important; transform: translateY(-2px); box-shadow: var(--shadow-sm); }

/* ==========================================================================
   卡片网格
   ========================================================================== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.card {
  background: var(--white);
  border: 1px solid rgba(0, 0, 0, 0.04);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition);
  box-shadow: var(--shadow-card);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--brand-100);
}
.card .icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--brand-50);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.card .icon svg { width: 26px; height: 26px; stroke: var(--brand-500); }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--gray-500); font-size: 0.9375rem; letter-spacing: 0.02em; }
.card ul { list-style: none; margin-top: 16px; }
.card ul li {
  position: relative;
  padding-left: 20px;
  color: var(--gray-500);
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}
.card ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--brand-100);
}

/* ==========================================================================
   数据统计
   ========================================================================== */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat { padding: 32px 16px; }
.stat .num {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--brand-500);
  line-height: 1;
  margin-bottom: 8px;
}
.stat .num sup { font-size: 1.4rem; }
.stat .label { color: var(--gray-500); font-size: 0.9375rem; letter-spacing: 0.03em; }

/* ==========================================================================
   CTA 区域
   ========================================================================== */
.cta {
  background: var(--brand-500);
  border-radius: 0;
  padding: 64px 48px;
  text-align: center;
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.cta h2 { color: #fff; margin-bottom: 14px; }
.cta p { color: rgba(255, 255, 255, 0.85); max-width: 560px; margin: 0 auto 32px; letter-spacing: 0.03em; }
.cta .btn-primary { background: var(--accent-500); color: var(--brand-900) !important; box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25); font-weight: 700; }
.cta .btn-primary:hover { background: var(--accent-600); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(0, 0, 0, 0.30); }

/* ==========================================================================
   页脚
   ========================================================================== */
.footer { background: var(--gray-900); color: #94a3b8; padding: 64px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer h4 { color: #fff; font-size: 0.9375rem; margin-bottom: 18px; letter-spacing: 0.04em; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .brand-logo-img { height: 30px; width: auto; border-radius: 0; }
.footer-brand span { color: #fff; font-weight: 700; font-size: 1.0625rem; }
.footer p.desc { font-size: 0.875rem; line-height: 1.8; letter-spacing: 0.02em; max-width: 280px; }
.footer p.desc strong { color: #fff; font-weight: 600; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 10px; }
.footer ul a { color: #94a3b8; font-size: 0.875rem; letter-spacing: 0.02em; }
.footer ul a:hover { color: #fff; }
.footer .contact-item a { color: #94a3b8; }
.footer .contact-item a:hover { color: #fff; }
.footer .contact-item { display: flex; gap: 10px; align-items: flex-start; font-size: 0.875rem; letter-spacing: 0.02em; margin-bottom: 12px; }
.footer .contact-item svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 4px; stroke: #64748b; }
.footer-bottom {
  border-top: 1px solid rgba(148, 163, 184, 0.15);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom a { color: #94a3b8; }
.footer-bottom a:hover { color: #fff; }

/* ==========================================================================
   关于我们页
   ========================================================================== */
.about-intro .grid-2 { align-items: center; }
.about-intro img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.about-intro h2 { margin-bottom: 20px; }
.about-intro p { margin-bottom: 16px; color: var(--gray-500); letter-spacing: 0.02em; }

.values .value-item { text-align: center; }
.values .value-item .icon { margin: 0 auto 20px; }

.timeline { position: relative; max-width: 720px; margin: 0 auto; padding-left: 32px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-100);
}
.timeline-item { position: relative; padding-bottom: 40px; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -32px;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--white);
  border: 4px solid var(--brand-500);
}
.timeline-item .year { font-weight: 700; color: var(--brand-500); font-size: 0.9375rem; margin-bottom: 6px; }
.timeline-item h3 { font-size: 1.125rem; margin-bottom: 6px; }
.timeline-item p { color: var(--gray-500); font-size: 0.9375rem; letter-spacing: 0.02em; }

/* ==========================================================================
   招贤纳士页
   ========================================================================== */
.job-list { max-width: 860px; margin: 0 auto; }
.job-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 16px;
  transition: all var(--transition);
}
.job-card:hover { box-shadow: var(--shadow-md); border-color: var(--brand-100); transform: translateY(-2px); }
.job-card h3 { font-size: 1.125rem; margin-bottom: 6px; }
.job-card .tags { display: flex; gap: 8px; flex-wrap: wrap; }
.job-card .tag {
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--gray-100);
  color: var(--gray-500);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}
.job-card .tag.hot { background: var(--accent-100); color: var(--brand-900); }

.benefits .grid-3 { text-align: center; }
.benefits .benefit-item .icon { margin: 0 auto 20px; }

/* ==========================================================================
   联系我们页
   ========================================================================== */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }
.contact-info h3 { margin-bottom: 10px; }
.contact-info p { color: var(--gray-500); font-size: 0.9375rem; letter-spacing: 0.02em; margin-bottom: 8px; }
.contact-card {
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-top: 24px;
}
.contact-card .contact-item { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 20px; }
.contact-card .contact-item:last-child { margin-bottom: 0; }
.contact-card .icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--accent-500);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-card .icon svg { width: 20px; height: 20px; stroke: var(--brand-500); }
.contact-card .label { font-size: 0.8125rem; color: var(--gray-500); letter-spacing: 0.02em; }
.contact-card .value { font-weight: 600; color: var(--gray-900); }

.form { background: var(--white); border: 1px solid rgba(0,0,0,0.04); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-card); }
.form h3 { margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--gray-700); margin-bottom: 8px; letter-spacing: 0.02em; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-300);
  border-radius: 10px;
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--gray-900);
  background: var(--white);
  letter-spacing: 0.02em;
  transition: all var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--brand-500);
  box-shadow: 0 0 0 3px rgba(0, 47, 167, 0.12);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-tip { font-size: 0.8125rem; color: var(--gray-500); margin-top: 12px; letter-spacing: 0.02em; }

/* ==========================================================================
   动效
   ========================================================================== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal { opacity: 0; }
.reveal.visible { animation: fadeUp 0.6s ease forwards; }

/* ==========================================================================
   内页 Hero 联系信息
   ========================================================================== */
.hero-contact {
  margin-top: 28px;
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  color: var(--gray-900) !important;
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  transition: all var(--transition);
}
.hero-contact-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--brand-500) !important;
}
.hero-contact-link svg {
  width: 18px;
  height: 18px;
  stroke: var(--brand-500);
  flex-shrink: 0;
}

/* ==========================================================================
   "更多"按钮 — 黄底白字
   ========================================================================== */
.btn-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 26px;
  background: var(--accent-500);
  color: #fff !important;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  box-shadow: var(--shadow-tag);
  transition: all var(--transition);
}
.btn-more::after {
  content: "\2192";
  font-size: 0.9375rem;
  margin-left: 2px;
}
.btn-more:hover {
  background: var(--accent-600);
  color: #fff !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.28);
}
.more-wrap {
  text-align: center;
  margin-top: 40px;
}

/* ==========================================================================
   岗位标签（首页招贤预览用）
   ========================================================================== */
.position-tags {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.position-tags .pos-tag {
  padding: 8px 18px;
  background: var(--white);
  color: var(--gray-700);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  box-shadow: var(--shadow-card);
}
.position-tags .pos-tag.hot {
  background: var(--accent-500);
  color: var(--brand-900);
  font-weight: 600;
  box-shadow: var(--shadow-tag);
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 2.5rem; }
  .contact-wrap { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.625rem; }
  .hero { padding: 80px 0 100px; }
  .hero h1 { font-size: 2.125rem; }
  .hero-contact { flex-direction: column; align-items: center; gap: 10px; }
  .hero-contact-link { width: auto; }

  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 24px 20px;
    border-bottom: 1px solid var(--gray-100);
    box-shadow: var(--shadow-md);
    display: none;
  }
  .nav-links.open { display: flex; box-shadow: var(--shadow-lg); }
  .nav-links a { padding: 12px 8px; font-size: 1rem; }

  .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta { padding: 48px 28px; }
  .form-row { grid-template-columns: 1fr; }
  .job-card { flex-direction: column; align-items: flex-start; gap: 14px; }
}

@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
}