*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "WenQuanYi Micro Hei", sans-serif;
  color: #1f2937;
  background: #ffffff;
  line-height: 1.8;
  overflow-x: hidden;
}

a {
  color: #1a5fb4;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #0d3b7a;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== HEADER ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  z-index: 1000;
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 700;
  color: #1a5fb4;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #1a5fb4, #3584e4);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 900;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.95rem;
  color: #1f2937;
  transition: all 0.3s ease;
}

.main-nav a:hover,
.main-nav a.active {
  background: #1a5fb4;
  color: #fff;
}

.main-nav .nav-btn {
  margin-left: 4px;
  font-weight: 600;
  border: 1.5px solid transparent;
}

.main-nav .nav-btn-primary {
  background: #f59e0b;
  color: #fff;
}

.main-nav .nav-btn-primary:hover {
  background: #d97706;
  color: #fff;
}

.main-nav .nav-btn-outline {
  background: transparent;
  color: #1a5fb4;
  border-color: #1a5fb4;
}

.main-nav .nav-btn-outline:hover {
  background: #1a5fb4;
  color: #fff;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: none;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: #1f2937;
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ===== HERO ===== */
.hero {
  margin-top: 72px;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0d3b7a 100%);
  color: #fff;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(53,132,228,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 40px;
  align-items: start;
  position: relative;
  z-index: 1;
}

.hero-left {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-feature-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 16px;
  backdrop-filter: blur(4px);
  transition: transform 0.3s ease;
}

.hero-feature-card:hover {
  transform: translateY(-2px);
}

.hero-feature-card h3 {
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: #f59e0b;
}

.hero-feature-card p {
  font-size: 0.8rem;
  opacity: 0.85;
  line-height: 1.5;
}

.hero-center {
  text-align: center;
}

.hero-center h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.3;
  background: linear-gradient(to right, #fff, #93c5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-center .subtitle {
  font-size: 1.15rem;
  opacity: 0.9;
  margin-bottom: 32px;
  line-height: 1.8;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 25px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: #f59e0b;
  color: #fff;
}

.btn-primary:hover {
  background: #d97706;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(245,158,11,0.4);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.5);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  color: #fff;
}

.hero-right {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-stat {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 14px;
  text-align: center;
}

.hero-stat .number {
  font-size: 1.6rem;
  font-weight: 800;
  color: #f59e0b;
}

.hero-stat .label {
  font-size: 0.75rem;
  opacity: 0.8;
  margin-top: 4px;
}

/* ===== HERO CTA BAND ===== */
.hero-cta-band {
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
  padding: 28px 0;
}

.hero-cta-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-cta-inner .cta-label {
  font-size: 0.95rem;
  color: #6b7280;
  font-weight: 600;
  margin-right: 8px;
}

.hero-cta-inner .btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 26px;
  border-radius: 22px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.hero-cta-inner .btn-cta-primary {
  background: #1a5fb4;
  color: #fff;
}

.hero-cta-inner .btn-cta-primary:hover {
  background: #0d3b7a;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(26,95,180,0.25);
}

.hero-cta-inner .btn-cta-secondary {
  background: #fff;
  color: #1a5fb4;
  border: 1.5px solid #1a5fb4;
}

.hero-cta-inner .btn-cta-secondary:hover {
  background: #1a5fb4;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(26,95,180,0.25);
}

/* ===== SECTIONS ===== */
.section {
  padding: 80px 0;
}

.section-alt {
  background: #f8fafc;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 12px;
}

.section-title p {
  font-size: 1rem;
  color: #6b7280;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== PRODUCTS GRID ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.product-card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
  border: 1px solid #e2e8f0;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.product-img {
  height: 200px;
  background: linear-gradient(135deg, #1a5fb4, #3584e4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 3rem;
}

.product-body {
  padding: 24px;
}

.product-body h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: #1f2937;
}

.product-body p {
  font-size: 0.9rem;
  color: #6b7280;
  line-height: 1.7;
  margin-bottom: 16px;
}

.product-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: #1a5fb4;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.product-link:hover {
  gap: 8px;
}

/* ===== ADVANTAGES ===== */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.advantage-item {
  text-align: center;
  padding: 32px 20px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
}

.advantage-item:hover {
  border-color: #1a5fb4;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.advantage-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, #1a5fb4, #3584e4);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
}

.advantage-item h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.advantage-item p {
  font-size: 0.85rem;
  color: #6b7280;
  line-height: 1.6;
}

/* ===== SOLUTIONS ===== */
.solutions-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.solution-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.solution-row:nth-child(even) .solution-visual {
  order: -1;
}

.solution-visual {
  height: 280px;
  background: linear-gradient(135deg, #f8fafc, #e0e7ff);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.solution-content h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.solution-content p {
  font-size: 0.95rem;
  color: #6b7280;
  line-height: 1.8;
  margin-bottom: 16px;
}

.solution-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.solution-tag {
  padding: 4px 12px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 15px;
  font-size: 0.8rem;
  color: #6b7280;
}

/* ===== NEWS ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.news-card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
}

.news-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.news-date {
  padding: 16px 24px 0;
  font-size: 0.8rem;
  color: #6b7280;
}

.news-card h3 {
  padding: 8px 24px 0;
  font-size: 1.05rem;
  line-height: 1.5;
}

.news-card .excerpt {
  padding: 10px 24px 20px;
  font-size: 0.88rem;
  color: #6b7280;
  line-height: 1.7;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 18px 24px;
  background: #fff;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s ease;
}

.faq-question:hover {
  background: #f8fafc;
}

.faq-question .arrow {
  transition: transform 0.3s ease;
  font-size: 0.8rem;
}

.faq-item.open .faq-question .arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding: 0 24px 18px;
  font-size: 0.9rem;
  color: #6b7280;
  line-height: 1.8;
}

/* ===== PARTNERS ===== */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.partner-logo {
  height: 80px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: #6b7280;
  font-weight: 600;
  transition: all 0.3s ease;
}

.partner-logo:hover {
  border-color: #1a5fb4;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* ===== FOOTER ===== */
.site-footer {
  background: #0f172a;
  color: rgba(255,255,255,0.8);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.8;
  opacity: 0.8;
}

.footer-col h4 {
  font-size: 0.95rem;
  color: #fff;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.7);
  transition: color 0.3s ease;
}

.footer-col a:hover {
  color: #fff;
}

.footer-contact p {
  font-size: 0.88rem;
  margin-bottom: 8px;
  opacity: 0.8;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.82rem;
  opacity: 0.6;
}

.footer-bottom a {
  color: rgba(255,255,255,0.7);
}

/* ===== PAGE HEADER ===== */
.page-header {
  margin-top: 72px;
  background: linear-gradient(135deg, #0f172a, #0d3b7a);
  color: #fff;
  padding: 60px 0;
  text-align: center;
}

.page-header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 0.88rem;
  opacity: 0.8;
}

.breadcrumb a {
  color: rgba(255,255,255,0.8);
}

.breadcrumb a:hover {
  color: #fff;
}

.breadcrumb span {
  opacity: 0.5;
}

/* ===== ABOUT PAGE ===== */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

.about-text h2 {
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.about-text p {
  font-size: 0.95rem;
  color: #6b7280;
  line-height: 2;
  margin-bottom: 16px;
}

.about-visual {
  background: linear-gradient(135deg, #f8fafc, #dbeafe);
  border-radius: 8px;
  height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
}

.timeline {
  margin-top: 60px;
}

.timeline h2 {
  text-align: center;
  font-size: 1.6rem;
  margin-bottom: 40px;
}

.timeline-items {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.timeline-item {
  text-align: center;
  padding: 24px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
}

.timeline-item .year {
  font-size: 1.4rem;
  font-weight: 800;
  color: #1a5fb4;
  margin-bottom: 8px;
}

.timeline-item p {
  font-size: 0.85rem;
  color: #6b7280;
}

/* ===== PRODUCTS PAGE ===== */
.products-list {
  display: flex;
  flex-direction: column;
  gap: 50px;
}

.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
  padding: 40px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.product-detail:nth-child(even) .product-detail-img {
  order: 2;
}

.product-detail-img {
  height: 300px;
  background: linear-gradient(135deg, #1a5fb4, #3584e4);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 4rem;
}

.product-detail-info h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.product-detail-info p {
  font-size: 0.93rem;
  color: #6b7280;
  line-height: 1.9;
  margin-bottom: 14px;
}

.product-specs {
  margin-top: 16px;
}

.product-specs h4 {
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.product-specs ul {
  list-style: none;
  display: grid;
  gap: 6px;
}

.product-specs li {
  font-size: 0.88rem;
  color: #6b7280;
  padding-left: 16px;
  position: relative;
}

.product-specs li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: #1a5fb4;
  border-radius: 50%;
}

/* ===== NEWS PAGE ===== */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.news-article {
  background: #fff;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  padding: 32px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.news-article h2 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.news-meta {
  display: flex;
  gap: 16px;
  font-size: 0.82rem;
  color: #6b7280;
  margin-bottom: 16px;
}

.news-article p {
  font-size: 0.93rem;
  color: #6b7280;
  line-height: 2;
  margin-bottom: 12px;
}

/* ===== CONTACT PAGE ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info h2 {
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.contact-info p {
  font-size: 0.93rem;
  color: #6b7280;
  line-height: 1.8;
  margin-bottom: 24px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.contact-icon {
  width: 40px;
  height: 40px;
  background: #f8fafc;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}

.contact-item-text h4 {
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.contact-item-text p {
  font-size: 0.85rem;
  margin-bottom: 0;
}

.contact-form {
  background: #f8fafc;
  padding: 36px;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
}

.contact-form h2 {
  font-size: 1.3rem;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color 0.3s ease;
  background: #fff;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: #1a5fb4;
}

.form-group textarea {
  height: 120px;
  resize: vertical;
}

.form-submit {
  width: 100%;
  padding: 12px;
  background: #1a5fb4;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s ease;
}

.form-submit:hover {
  background: #0d3b7a;
}

/* ===== BREADCRUMB NAV ===== */
.page-nav {
  padding: 20px 0;
  font-size: 0.88rem;
  border-bottom: 1px solid #e2e8f0;
  margin-bottom: 40px;
}

.page-nav a {
  color: #6b7280;
}

.page-nav a:hover {
  color: #1a5fb4;
}

/* ===== ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

  .hero-right {
    grid-template-columns: repeat(3, 1fr);
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .solution-row {
    grid-template-columns: 1fr;
  }

  .solution-row:nth-child(even) .solution-visual {
    order: 0;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .product-detail {
    grid-template-columns: 1fr;
  }

  .product-detail:nth-child(even) .product-detail-img {
    order: 0;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .timeline-items {
    grid-template-columns: repeat(2, 1fr);
  }

  .partners-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-cta-inner {
    flex-direction: column;
    gap: 12px;
  }
  .hero-cta-inner .btn-cta {
    width: 100%;
    justify-content: center;
  }
  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
  }

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

  .main-nav a {
    padding: 12px 16px;
    width: 100%;
    text-align: center;
    border-radius: 8px;
  }

  .mobile-toggle {
    display: flex;
  }

  .hero {
    padding: 50px 0;
  }

  .hero-center h1 {
    font-size: 1.8rem;
  }

  .hero-left, .hero-right {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 50px 0;
  }

  .section-title h2 {
    font-size: 1.5rem;
  }

  .products-grid,
  .news-grid {
    grid-template-columns: 1fr;
  }

  .advantages-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .timeline-items {
    grid-template-columns: 1fr;
  }

  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-header h1 {
    font-size: 1.6rem;
  }

  .product-detail {
    padding: 24px;
  }

  .contact-form {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 15px;
  }

  .header-inner {
    height: 60px;
  }

  .hero {
    margin-top: 60px;
    padding: 36px 0;
  }

  .page-header {
    margin-top: 60px;
    padding: 40px 0;
  }

  .hero-center h1 {
    font-size: 1.5rem;
  }

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

  .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ===== PRINT ===== */
@media print {
  .site-header, .mobile-toggle, .hero-buttons, .contact-form {
    display: none;
  }

  .hero {
    margin-top: 0;
    background: #fff;
    color: #000;
  }

  body {
    font-size: 12pt;
  }
}