/* ========================================
   学前邦 — 主样式表
   AI驱动的教育科技公司官网
   ======================================== */

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #F85927;
  --color-primary-dark: #DC3B0A;
  --color-primary-light: #FFF0EB;
  --color-accent: #7C3AED;
  --color-accent-dark: #6D28D9;
  --color-accent-light: #EDE9FE;
  --color-green: #639922;
  --color-green-light: #EAF3DE;
  --color-amber: #BA7517;
  --color-amber-light: #FAEEDA;
  --color-text: #2E0F47;
  --color-text-secondary: #5B4A6A;
  --color-text-muted: #8B7D9A;
  --color-bg: #FFF9F5;
  --color-bg-alt: #FFFDF9;
  --color-white: #FFFFFF;
  --color-border: #F2EAEB;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
  --max-width: 1200px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

img {
  display: block;
  max-width: 100%;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary-light);
}

.btn-block {
  width: 100%;
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}

.header.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-img {
  height: 40px;
  width: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-text-secondary);
  transition: all 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.nav-link-btn {
  background: var(--color-primary);
  color: var(--color-white) !important;
  margin-left: 8px;
}

.nav-link-btn:hover {
  background: var(--color-primary-dark);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: all 0.3s ease;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #FDF8F4 0%, #FDE8E1 40%, #FDF8F4 70%, #E6F1FB 100%);
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(55,138,221,0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(216,90,48,0.06) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(55,138,221,0.03) 0%, transparent 40%);
  background-size: 100% 100%;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-title {
  font-size: 48px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.25;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
}

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

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: 12px;
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ---------- Intro Strip ---------- */
.intro-strip {
  padding: 48px 24px;
  text-align: center;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.intro-text {
  font-size: 17px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 800px;
  margin: 0 auto;
}

.intro-text strong {
  color: var(--color-text);
}

/* ---------- Business Cards ---------- */
.business-cards {
  padding: 80px 0;
  background: var(--color-bg);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.biz-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  cursor: pointer;
}

.biz-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.biz-card-blue:hover { border-color: var(--color-accent); }
.biz-card-amber:hover { border-color: var(--color-amber); }
.biz-card-green:hover { border-color: var(--color-green); }

.biz-card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.biz-card-blue .biz-card-icon { background: var(--color-accent-light); }
.biz-card-amber .biz-card-icon { background: var(--color-amber-light); }
.biz-card-green .biz-card-icon { background: var(--color-green-light); }

.biz-card-tag {
  font-size: 12px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.biz-card-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
}

.biz-card-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  flex: 1;
}

.biz-card-stats {
  display: flex;
  gap: 20px;
  padding: 12px 0;
  border-top: 1px solid var(--color-border);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-item strong {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
}

.stat-item span {
  font-size: 11px;
  color: var(--color-text-muted);
}

.biz-card-link {
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s ease;
}

.biz-card-blue .biz-card-link { color: var(--color-accent); }
.biz-card-amber .biz-card-link { color: var(--color-amber); }
.biz-card-green .biz-card-link { color: var(--color-green); }

.biz-card:hover .biz-card-link { gap: 8px; }

/* ---------- Section Shared ---------- */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 12px;
}

.section-tag-blue { background: var(--color-accent-light); color: var(--color-accent-dark); }
.section-tag-amber { background: var(--color-amber-light); color: var(--color-amber); }
.section-tag-green { background: var(--color-green-light); color: var(--color-green); }

.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.section-desc {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---------- Business Detail Sections ---------- */
.biz-detail {
  padding: 80px 0;
  background: var(--color-white);
}

.biz-detail-alt {
  background: var(--color-bg);
}

.feature-highlight {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent-light));
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  margin-bottom: 48px;
}

.feature-highlight h4 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.feature-highlight p {
  font-size: 15px;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.feature-card {
  text-align: center;
  padding: 24px 16px;
}

.feature-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-card h5 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

.feature-card p {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Process Steps */
.biz-process {
  text-align: center;
  margin-bottom: 48px;
}

.biz-process h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 24px;
}

.process-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.step {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.step-num {
  width: 24px;
  height: 24px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
}

.step-arrow {
  font-size: 18px;
  color: var(--color-border);
}

/* Pathway Grid */
.pathway-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.pathway-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.pathway-item h5 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

.pathway-benefit {
  display: inline-block;
  font-size: 12px;
  color: var(--color-green);
  background: var(--color-green-light);
  padding: 2px 8px;
  border-radius: 10px;
  margin-bottom: 8px;
}

.pathway-item p {
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Highlights */
.biz-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.highlight-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.highlight-card h5 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-text);
}

.highlight-card ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.highlight-card li {
  font-size: 13px;
  color: var(--color-text-secondary);
  padding-left: 16px;
  position: relative;
}

.highlight-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-amber);
}

/* Career Grid */
.career-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.career-grid .career-card:last-child {
  grid-column: 1 / -1;
  max-width: 400px;
  margin: 0 auto;
}

.career-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: box-shadow 0.2s ease;
}

.career-card:hover {
  box-shadow: var(--shadow-md);
}

.career-card-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
}

.career-icon {
  font-size: 24px;
  line-height: 1;
  width: 40px;
  height: 40px;
  background: var(--color-green-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.career-card-header h5 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.career-duration {
  font-size: 12px;
  color: var(--color-text-muted);
}

.career-card p {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Guarantee Bar */
.guarantee-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 28px 32px;
  background: var(--color-green-light);
  border-radius: var(--radius-md);
}

.guarantee-item {
  text-align: center;
}

.guarantee-item strong {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--color-green);
}

.guarantee-item span {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.guarantee-sep {
  width: 1px;
  height: 32px;
  background: rgba(99,153,34,0.2);
}

/* Biz CTA */
.biz-cta {
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.biz-cta-note {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ---------- Why Us ---------- */
.why-us {
  padding: 80px 0;
  background: var(--color-white);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.why-card {
  text-align: center;
  padding: 32px 24px;
}

.why-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 20px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-card h4 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-text);
}

.why-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ---------- Data Bar ---------- */
.data-bar {
  padding: 64px 0;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
}

.data-grid {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 32px;
}

.data-item {
  text-align: center;
}

.data-num {
  display: block;
  font-size: 40px;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
}

.data-unit {
  font-size: 20px;
  font-weight: 400;
}

.data-label {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  margin-top: 4px;
  display: block;
}

/* ---------- About ---------- */
.about {
  padding: 80px 0;
  background: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-values {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.about-values span {
  padding: 6px 14px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 12px;
  color: var(--color-text-secondary);
}

.about-visual {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.about-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 12px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.about-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.about-card-icon {
  margin-bottom: 10px;
  display: flex;
  justify-content: center;
}

.about-card strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--color-text);
}

.about-card p {
  font-size: 11px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ---------- Contact ---------- */
.contact {
  padding: 80px 0;
  background: var(--color-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 48px;
  align-items: start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color 0.2s ease;
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  background: var(--color-white);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23888780' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.contact-info {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.contact-info h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text-secondary);
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-item:last-child {
  border-bottom: none;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.7);
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 32px;
}

.footer-brand p {
  margin-top: 12px;
  font-size: 14px;
}

.footer-links h5 {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  font-size: 13px;
  padding: 4px 0;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: rgba(255,255,255,0.9);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 12px;
  color: rgba(255,255,255,0.35);
}

.footer .logo-img {
  filter: brightness(0) invert(1);
  opacity: 0.8;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .cards-grid .biz-card:last-child { grid-column: 1 / -1; max-width: 400px; margin: 0 auto; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .pathway-grid { grid-template-columns: repeat(2, 1fr); }
  .career-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .header-inner { height: 56px; }
  .logo-img { height: 32px; }

  .nav {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    padding: 16px 24px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    gap: 4px;
  }

  .nav-link {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
  }

  .nav-link-btn {
    margin-left: 0;
    text-align: center;
  }

  .menu-toggle { display: flex; }

  .hero-title { font-size: 32px; }
  .hero-subtitle { font-size: 15px; }
  .section-title { font-size: 24px; }

  .cards-grid { grid-template-columns: 1fr; }
  .cards-grid .biz-card:last-child { max-width: 100%; }
  .feature-grid { grid-template-columns: 1fr; }
  .pathway-grid { grid-template-columns: 1fr; }
  .career-grid { grid-template-columns: 1fr; }
  .career-grid .career-card:last-child { max-width: 100%; }
  .career-card-header { flex-direction: column; }
  .why-grid { grid-template-columns: 1fr; }
  .biz-highlights { grid-template-columns: 1fr; }

  .process-steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); }

  .guarantee-bar {
    flex-direction: column;
    gap: 20px;
  }
  .guarantee-sep { width: 60px; height: 1px; }

  .about-visual { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  .data-grid { gap: 24px; }
  .data-num { font-size: 32px; }
  .data-unit { font-size: 16px; }

  .hero-actions { flex-direction: column; align-items: center; }
}

/* ========== Sub-page Banner ========== */
.page-banner {
  padding: 120px 24px 64px;
  text-align: center;
  background: linear-gradient(160deg, #FDF8F4 0%, #FDE8E1 40%, #FDF8F4 70%, #E6F1FB 100%);
}

.page-banner .section-tag { margin-bottom: 16px; }

.page-banner-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.page-banner .section-desc { max-width: 640px; }

/* ---------- Page Section ---------- */
.page-section {
  padding: 80px 0;
  background: var(--color-bg);
}

.page-section-alt {
  background: var(--color-white);
}

/* ---------- About Route (贸→工→技) ---------- */
.about-route {
  padding: 60px 0;
  background: var(--color-white);
}

.route-timeline {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  max-width: 900px;
  margin: 48px auto 0;
}

.route-stage {
  flex: 1;
  text-align: center;
  padding: 0 24px;
  position: relative;
}

.route-stage:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 32px;
  width: 60px;
  height: 2px;
  background: var(--color-primary);
  opacity: 0.3;
}

.route-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  position: relative;
  z-index: 1;
}

.route-stage:nth-child(2) .route-num { background: var(--color-accent); }
.route-stage:nth-child(3) .route-num { background: var(--color-green); }

.route-stage h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.route-stage p {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  padding: 24px 0;
  font-size: 13px;
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-accent);
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: var(--color-accent-dark);
}

.breadcrumb span {
  margin: 0 6px;
}

/* ---------- Contact Page ---------- */
.contact-page {
  padding: 80px 0;
  background: var(--color-bg);
}

.contact-page .contact-grid {
  max-width: 900px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .page-banner { padding: 100px 24px 48px; }
  .page-banner-title { font-size: 26px; }
  .route-timeline { flex-direction: column; gap: 32px; }
  .route-stage:not(:last-child)::after {
    right: auto;
    top: auto;
    bottom: -18px;
    left: 50%;
    width: 2px;
    height: 32px;
  }
}

/* ========== News Section (Swiper) ========== */
.news-section {
  padding: 80px 0;
  background: var(--color-bg);
}

.news-swiper {
  margin-top: 40px;
  padding: 0 4px 56px;
  overflow: hidden;
}

.news-slide {
  height: auto;
}

.news-card {
  background: var(--color-white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(38, 33, 92, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 32px rgba(38, 33, 92, 0.12);
}

.news-img {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.news-img-text {
  color: var(--color-white);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 2px;
  opacity: 0.9;
}

.news-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-date {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.news-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
  line-height: 1.5;
}

.news-excerpt {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-link {
  font-size: 14px;
  color: var(--color-primary);
  font-weight: 500;
  transition: color 0.2s ease;
}

.news-link:hover {
  color: var(--color-primary-dark, #B8421E);
}

/* Swiper pagination & navigation */
.news-pagination {
  bottom: 0 !important;
}

.news-pagination .swiper-pagination-bullet {
  background: var(--color-text-muted);
  opacity: 0.4;
  transition: all 0.2s ease;
}

.news-pagination .swiper-pagination-bullet-active {
  background: var(--color-primary);
  opacity: 1;
  width: 24px;
  border-radius: 4px;
}

.news-prev,
.news-next {
  color: var(--color-text-secondary);
  background: var(--color-white);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  box-shadow: 0 2px 12px rgba(38, 33, 92, 0.1);
  transition: all 0.2s ease;
}

.news-prev:hover,
.news-next:hover {
  color: var(--color-primary);
  box-shadow: 0 4px 20px rgba(216, 90, 48, 0.2);
}

.news-prev::after,
.news-next::after {
  font-size: 14px;
  font-weight: 700;
}

@media (max-width: 768px) {
  .news-section { padding: 60px 0; }
  .news-img { height: 140px; }
  .news-img-text { font-size: 18px; }
  .news-title { font-size: 15px; }
  .news-prev, .news-next { display: none; }
}