/* ============================================
   职界新程 - 企业官网样式表
   品牌色: 深蓝 #20658E / 青绿 #40BDBF / 金色 #C8A84E
   ============================================ */

/* ---------- CSS变量 ---------- */
:root {
  --color-primary: #20658E;
  --color-primary-dark: #185073;
  --color-primary-light: #2a7ba8;
  --color-secondary: #40BDBF;
  --color-secondary-light: #5dd0d1;
  --color-accent: #C8A84E;
  --color-accent-light: #d4b96e;
  --color-text: #1A1A1A;
  --color-text-light: #555555;
  --color-text-muted: #888888;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F7F9FC;
  --color-bg-dark: #0F2744;
  --color-border: #E5E8EE;
  --font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --shadow-sm: 0 2px 8px rgba(32,101,142,0.08);
  --shadow-md: 0 4px 20px rgba(32,101,142,0.12);
  --shadow-lg: 0 8px 40px rgba(32,101,142,0.16);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s ease;
  --max-width: 1200px;
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

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

/* ---------- 通用段落 ---------- */
.section {
  padding: 100px 0;
}
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header.left-align { text-align: left; }
.section-tag {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: 16px;
}
.text-primary { color: var(--color-primary); }
.section-line {
  width: 100px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: 2px;
  margin: 0 auto;
}
.section-header.left-align .section-line { margin: 0; }
.section-desc {
  font-size: 17px;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 20px auto 0;
  line-height: 1.8;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  font-family: inherit;
  letter-spacing: 0.5px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  box-shadow: 0 4px 15px rgba(32,101,142,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(32,101,142,0.4);
}
.btn-outline {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}
.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}
.btn-full { width: 100%; }

/* ============================================
   导航栏
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
  padding: 12px 0;
}
.navbar.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
  padding: 8px 0;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
}
.logo-img { height: 40px; width: auto; }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-light);
  border-radius: var(--radius-sm);
  position: relative;
}
.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background: rgba(32,101,142,0.06);
}
.nav-cta {
  background: var(--color-primary) !important;
  color: #fff !important;
  margin-left: 8px;
}
.nav-cta:hover {
  background: var(--color-primary-dark) !important;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================
   首屏 Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
  background: linear-gradient(135deg, #f0f6fb 0%, #e8f4f8 50%, #f5f0fa 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(32,101,142,0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(64,189,191,0.06) 0%, transparent 50%),
    radial-gradient(circle at 60% 80%, rgba(200,168,78,0.04) 0%, transparent 50%);
}
.hero-content {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(32,101,142,0.08);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 24px;
  letter-spacing: 1px;
}
.hero-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}
.hero-title .highlight {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 17px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: 40px;
}
.stat-item {
  text-align: center;
}
.stat-number {
  font-size: 52px;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
}
.stat-suffix {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
}
.stat-label {
  font-size: 15px;
  color: var(--color-text-muted);
  margin-top: 8px;
  font-weight: 500;
}
  color: var(--color-accent);
}
.stat-label {
  display: block;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* Hero 右侧浮动卡片 */
.hero-visual {
  position: relative;
  height: 500px;
}
.floating-card {
  position: absolute;
  background: #fff;
  border-radius: var(--radius-md);
  padding: 18px 22px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  animation: float 6s ease-in-out infinite;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  border: 1px solid rgba(32,101,142,.08);
  transition: box-shadow .3s ease, border-color .3s ease;
}
.floating-card:hover {
  animation-play-state: paused;
  box-shadow: 0 14px 34px rgba(32,101,142,.22);
  border-color: rgba(32,101,142,.35);
}
.card-1 { top: 8%;  left: 5%; animation-delay: 0s; }
.card-2 { top: 40%; right: 0; animation-delay: 2s; }
.card-3 { top: 72%; left: 5%; animation-delay: 4s; }
.card-icon { font-size: 30px; }
.card-text { display: flex; flex-direction: column; }
.card-text strong { display: block; font-size: 15px; color: var(--color-text); }
.card-text span { font-size: 13px; color: var(--color-text-muted); }
.card-link {
  width: 100%;
  margin-top: 2px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  opacity: .7;
  transition: opacity .3s ease;
}
.floating-card:hover .card-link { opacity: 1; }

/* 首屏浮动卡片容器（动态渲染占位） */
.hero-cards { position: absolute; inset: 0; }

/* 二维码弹窗 */
.qr-modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 40, 60, .6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 20px;
}
.qr-modal.open { display: flex; }
.qr-modal-box {
  position: relative;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 28px 26px;
  max-width: 320px;
  width: 100%;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0,0,0,.25);
  animation: qrPop .25s ease;
}
@keyframes qrPop { from { transform: scale(.92); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.qr-modal-close {
  position: absolute;
  top: 10px;
  right: 14px;
  font-size: 26px;
  line-height: 1;
  color: #aaa;
  background: none;
  border: none;
  cursor: pointer;
}
.qr-modal-close:hover { color: var(--color-primary); }
.qr-modal-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 16px;
}
.qr-modal-img {
  width: 220px;
  height: 220px;
  object-fit: contain;
  margin: 0 auto 12px;
  display: block;
  border-radius: 8px;
}
.qr-modal-empty {
  color: #999;
  font-size: 14px;
  padding: 70px 0;
  margin: 0;
}
.qr-modal-tip {
  font-size: 13px;
  color: var(--color-text-muted);
  margin: 0;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  line-height: 0;
}
.hero-wave svg { width: 100%; height: 80px; }

/* ============================================
   关于我们
   ============================================ */
.about { background: var(--color-bg); }
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}
.about-subtitle {
  font-size: clamp(28px, 3.5vw, 38px);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: 28px;
}
.about .section-title {
  font-size: clamp(32px, 4.5vw, 44px);
}
.about-text {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 1.9;
  margin-bottom: 16px;
}
.about-text strong { color: var(--color-primary); }
.about-highlights {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.highlight-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--color-text);
}
.highlight-icon {
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 50%;
  background: rgba(64,189,191,0.1);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.highlight-icon svg { width: 16px; height: 16px; }

/* 关于我们右侧图片区 */
.about-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-image-box {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  width: 100%;
}
.about-image-real {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ============================================
   服务范围
   ============================================ */
.services {
  background: var(--color-bg-alt);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  transition: var(--transition);
  border: 1px solid var(--color-border);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card.featured {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, #fffcf5, #fff);
}
.service-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--color-accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 12px;
}
.service-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(32,101,142,0.08), rgba(64,189,191,0.08));
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.service-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}
.service-desc {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 20px;
}
.service-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.service-list li {
  font-size: 14px;
  color: var(--color-text-muted);
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
}
.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-secondary);
}

/* ============================================
   核心优势
   ============================================ */
.advantages { background: var(--color-bg); }
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.advantage-item {
  padding: 36px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.advantage-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.advantage-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.advantage-item:hover::before { transform: scaleX(1); }
.advantage-number {
  font-size: 48px;
  font-weight: 900;
  color: rgba(32,101,142,0.08);
  line-height: 1;
  margin-bottom: 16px;
}
.advantage-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}
.advantage-desc {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.75;
}

/* ============================================
   联系我们
   ============================================ */
.contact {
  background: var(--color-bg-alt);
}
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-intro {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 32px;
}
.contact-items {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-item strong {
  display: block;
  font-size: 15px;
  color: var(--color-text);
  margin-bottom: 2px;
}
.contact-item p {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* 表单 */
.contact-form-wrapper {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}
.form-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 28px;
  text-align: center;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(32,101,142,0.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }

/* ============================================
   页脚
   ============================================ */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo { width: 120px; height: auto; margin-bottom: 16px; opacity: 0.85; }
.footer-desc { font-size: 14px; line-height: 1.7; }
.footer-links h4,
.footer-contact h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; transition: var(--transition); }
.footer-links a:hover { color: var(--color-secondary); padding-left: 4px; }
.footer-contact p { font-size: 14px; margin-bottom: 6px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 13px;
  opacity: 0.6;
}
.footer-bottom a { color: inherit; }
.footer-bottom a:hover { color: var(--color-secondary); }

/* ============================================
   回到顶部按钮
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  z-index: 999;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-3px);
}

/* ============================================
   动画
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-desc { max-width: 100%; margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { height: 300px; margin-top: 40px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { max-width: 480px; margin: 0 auto; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .advantages-grid { grid-template-columns: 1fr; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 70px 0; }
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: #fff;
    flex-direction: column;
    padding: 80px 30px 30px;
    box-shadow: var(--shadow-lg);
    transition: right 0.35s ease;
    gap: 4px;
    align-items: stretch;
  }
  .nav-menu.open { right: 0; }
  .nav-link { padding: 12px 16px; font-size: 16px; }
  .nav-cta { margin-left: 0; margin-top: 8px; text-align: center; }
  .nav-toggle { display: flex; }
  .hero { min-height: auto; padding: 120px 0 80px; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .stat-item { flex: 0 0 calc(50% - 12px); }
  .hero-visual { height: 240px; }
  .floating-card { padding: 14px 18px; }
  .card-icon { font-size: 24px; }
  .card-text strong { font-size: 14px; }
  .card-text span { font-size: 12px; }
  .service-card { padding: 28px; }
  .advantage-item { padding: 28px; }
  .contact-form-wrapper { padding: 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 28px; }
  .btn { padding: 12px 24px; font-size: 14px; }
  .stat-number { font-size: 28px; }
  .services-grid { grid-template-columns: 1fr; }
}