/*
Theme Name:   Mitasemi VI Child
Theme URI:    https://mitasemi.com
Description:  Mitasemi 半导体品牌 VI 子主题 · 基于 Astra 主题的完整视觉系统
Author:       Mitasemi Design Team
Author URI:   https://mitasemi.com
Template:     astra
Version:      1.0.0
License:      GPL v2 or later
Text Domain:  mitasemi-child
*/
/* =============================================
   MITASEMI VI 设计系统
   色彩 · 字体 · 组件 · 布局
   Version 2026.2
   ============================================= *//* =============================================
   CSS Token (Design System)
   ============================================= */
:root {
  --mita-primary:      #0052B9;
  --mita-secondary:    #00A3F2;
  --mita-accent:       #00A3F2;
  --mita-dark:         #003D8F;
  --mita-darker:       #002B6B;
  --mita-light:        #F5F7FA;
  --mita-text:         #333333;
  --mita-text-light:   #666666;
  --mita-text-muted:   #888888;
  --mita-border:       #E0E0E0;
  --mita-white:        #FFFFFF;
  --mita-gradient-primary: linear-gradient(135deg, #0052B9 0%, #00A3F2 100%);
  --mita-gradient-dark:    linear-gradient(135deg, #003D8F 0%, #0052B9 100%);
  --mita-font-heading: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  --mita-font-body:   "Open Sans", "Helvetica Neue", Arial, sans-serif;
  --mita-radius:       4px;
  --mita-radius-card:  8px;
  --mita-radius-lg:    12px;
  --mita-transition:   all 0.25s ease;
  --mita-container:    1200px;
}

/* =============================================
   1. GLOBAL RESET & BASE
   ============================================= */
*, *::before, *::after { box-sizing: border-box; }
body {
  font-family: var(--mita-font-body) !important;
  color: var(--mita-text) !important;
  font-size: 16px !important;
  line-height: 1.7 !important;
  -webkit-font-smoothing: antialiased;
  margin: 0; padding: 0;
}
a { color: var(--mita-primary); transition: var(--mita-transition); }
a:hover { color: var(--mita-secondary); text-decoration: none; }

/* =============================================
   2. BUTTONS
   ============================================= */
.mita-btn {
  display: inline-block;
  font-family: var(--mita-font-heading);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.3px;
  padding: 12px 32px;
  border-radius: var(--mita-radius-card);
  text-decoration: none;
  transition: var(--mita-transition);
  cursor: pointer;
  border: 2px solid transparent;
}
.mita-btn-primary {
  background: var(--mita-primary);
  color: #fff;
  border-color: var(--mita-primary);
}
.mita-btn-primary:hover {
  background: var(--mita-secondary);
  border-color: var(--mita-secondary);
  color: #fff;
}
.mita-btn-outline {
  background: transparent;
  color: var(--mita-primary);
  border-color: var(--mita-primary);
}
.mita-btn-outline:hover {
  background: var(--mita-primary);
  color: #fff;
}
.mita-btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.mita-btn-outline-light:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
  color: #fff;
}
.mita-btn-accent {
  background: var(--mita-accent);
  color: #fff;
  border-color: var(--mita-accent);
}
.mita-btn-accent:hover { opacity: 0.9; color: #fff; }

/* =============================================
   3. HERO SECTION
   ============================================= */
.mita-hero {
  position: relative;
  overflow: hidden;
  padding: 100px 24px 80px;
  text-align: center;
}
.mita-hero-bg {
  position: absolute; inset: 0;
  background: var(--mita-gradient-primary);
  z-index: 0;
}
.mita-hero-inner {
  position: relative; z-index: 1;
  max-width: var(--mita-container);
  margin: 0 auto;
}
.mita-hero-title {
  font-family: var(--mita-font-heading) !important;
  font-size: 52px !important;
  font-weight: 700 !important;
  color: #fff !important;
  line-height: 1.2 !important;
  margin: 0 0 20px !important;
}
.mita-hero-subtitle {
  font-size: 18px;
  color: rgba(255,255,255,0.85);
  max-width: 680px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.mita-hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.mita-hero-stats {
  display: flex;
  gap: 40px;
  justify-content: center;
  flex-wrap: wrap;
}
.mita-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.mita-stat-number {
  font-family: var(--mita-font-heading);
  font-size: 36px;
  font-weight: 700;
  color: #fff;
}
.mita-stat-label {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* =============================================
   4. SECTION SYSTEM
   ============================================= */
.mita-section {
  padding: 80px 24px;
}
.mita-section-alt {
  background: var(--mita-light);
}
.mita-container {
  max-width: var(--mita-container);
  margin: 0 auto;
  padding: 0 24px;
}
.mita-section-header {
  text-align: center;
  margin-bottom: 48px;
}
.mita-section-title {
  font-family: var(--mita-font-heading) !important;
  font-size: 36px !important;
  font-weight: 700 !important;
  color: var(--mita-primary) !important;
  margin: 0 0 12px !important;
}
.mita-section-desc {
  font-size: 16px;
  color: var(--mita-text-light);
  max-width: 640px;
  margin: 0 auto;
}

/* =============================================
   5. PRODUCT GRID & CARDS
   ============================================= */
.mita-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.mita-product-card {
  background: #fff;
  border: 1px solid var(--mita-border);
  border-radius: var(--mita-radius-lg);
  padding: 32px 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.mita-product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.mita-product-icon {
  color: var(--mita-primary);
  margin-bottom: 16px;
}
.mita-product-name {
  font-family: var(--mita-font-heading) !important;
  font-size: 20px !important;
  font-weight: 600 !important;
  color: var(--mita-primary) !important;
  margin: 0 0 8px !important;
}
.mita-product-desc {
  font-size: 14px;
  color: var(--mita-text-light);
  line-height: 1.6;
  margin: 0 0 16px;
}
.mita-product-specs {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--mita-text);
}
.mita-product-specs li::before {
  content: '\2713  ';
  color: var(--mita-secondary);
  font-weight: 600;
}
.mita-product-link {
  font-family: var(--mita-font-heading);
  font-size: 13px;
  font-weight: 600;
  color: var(--mita-accent) !important;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Small product card */
.mita-product-card-sm {
  background: #fff;
  border: 1px solid var(--mita-border);
  border-radius: var(--mita-radius-lg);
  padding: 24px;
  transition: var(--mita-transition);
}
.mita-product-tag {
  display: inline-block;
  background: var(--mita-secondary);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 99px;
  margin-top: 8px;
}

/* =============================================
   6. PRODUCT TABLE
   ============================================= */
.mita-product-section {
  margin-bottom: 64px;
}
.mita-product-section-header h2 {
  font-family: var(--mita-font-heading);
  font-size: 26px;
  font-weight: 600;
  color: var(--mita-primary);
  margin: 0 0 8px;
}
.mita-product-section-header p {
  color: var(--mita-text-light);
  margin: 0 0 24px;
}
.mita-product-table-wrap {
  overflow-x: auto;
}
.mita-product-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.mita-product-table th {
  background: var(--mita-primary);
  color: #fff;
  font-family: var(--mita-font-heading);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 12px 16px;
  text-align: left;
}
.mita-product-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--mita-border);
}
.mita-product-table tbody tr:hover {
  background: var(--mita-light);
}

/* =============================================
   7. APPLICATIONS GRID
   ============================================= */
.mita-app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 24px;
}
.mita-app-item {
  text-align: center;
  padding: 24px 16px;
  background: #fff;
  border-radius: var(--mita-radius-lg);
  border: 1px solid var(--mita-border);
  transition: var(--mita-transition);
}
.mita-app-item:hover {
  border-color: var(--mita-secondary);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}
.mita-app-emoji {
  font-size: 36px;
  display: block;
  margin-bottom: 12px;
}
.mita-app-item h4 {
  font-family: var(--mita-font-heading);
  font-size: 15px;
  font-weight: 600;
  color: var(--mita-primary);
  margin: 0 0 4px;
}
.mita-app-item p {
  font-size: 13px;
  color: var(--mita-text-light);
  margin: 0;
}

/* =============================================
   8. WHY US GRID
   ============================================= */
.mita-why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.mita-why-card {
  text-align: center;
  padding: 32px 24px;
  background: #fff;
  border-radius: var(--mita-radius-lg);
  border: 1px solid var(--mita-border);
}
.mita-why-icon {
  font-size: 40px;
  margin-bottom: 16px;
}
.mita-why-card h4 {
  font-family: var(--mita-font-heading);
  font-size: 17px;
  font-weight: 600;
  color: var(--mita-primary);
  margin: 0 0 8px;
}
.mita-why-card p {
  font-size: 14px;
  color: var(--mita-text-light);
  margin: 0;
  line-height: 1.6;
}

/* =============================================
   9. CTA SECTION
   ============================================= */
.mita-cta {
  background: var(--mita-gradient-dark);
  padding: 80px 24px;
  text-align: center;
}
.mita-cta-title {
  font-family: var(--mita-font-heading) !important;
  font-size: 36px !important;
  font-weight: 700 !important;
  color: #fff !important;
  margin: 0 0 12px !important;
}
.mita-cta-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.8);
  margin: 0 0 32px;
}
.mita-cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* =============================================
   10. PAGE HERO (sub-pages)
   ============================================= */
.mita-page-hero {
  background: var(--mita-gradient-primary);
  padding: 80px 24px 60px;
  text-align: center;
}
.mita-page-hero-dark {
  background: var(--mita-gradient-dark);
}
.mita-page-title {
  font-family: var(--mita-font-heading) !important;
  font-size: 42px !important;
  font-weight: 700 !important;
  color: #fff !important;
  margin: 0 0 12px !important;
}
.mita-page-subtitle {
  font-size: 17px;
  color: rgba(255,255,255,0.85);
  max-width: 600px;
  margin: 0 auto;
}

/* =============================================
   11. ABOUT PAGE
   ============================================= */
.mita-main {
  padding: 60px 0 80px;
}
.mita-about-intro {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 64px;
}
.mita-about-intro-text h2 {
  font-family: var(--mita-font-heading);
  font-size: 28px;
  font-weight: 600;
  color: var(--mita-primary);
  margin: 0 0 16px;
}
.mita-about-intro-text p {
  font-size: 15px;
  color: var(--mita-text-light);
  line-height: 1.8;
  margin: 0 0 16px;
}
.mita-about-intro-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.mita-stat-box {
  background: var(--mita-light);
  border-radius: var(--mita-radius-card);
  padding: 24px;
  text-align: center;
}
.mita-stat-box .mita-stat-number {
  font-size: 28px;
  color: var(--mita-primary);
}
.mita-stat-box .mita-stat-label {
  font-size: 12px;
  color: var(--mita-text-muted);
  text-transform: uppercase;
}

/* Timeline */
.mita-timeline {
  position: relative;
  padding-left: 40px;
  margin-bottom: 64px;
}
.mita-timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--mita-border);
}
.mita-timeline-item {
  position: relative;
  margin-bottom: 32px;
}
.mita-timeline-item::before {
  content: '';
  position: absolute;
  left: -33px;
  top: 4px;
  width: 12px; height: 12px;
  background: var(--mita-secondary);
  border-radius: 50%;
  border: 2px solid #fff;
}
.mita-timeline-year {
  font-family: var(--mita-font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--mita-primary);
  margin-bottom: 4px;
}
.mita-timeline-content h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--mita-text);
  margin: 0 0 4px;
}
.mita-timeline-content p {
  font-size: 14px;
  color: var(--mita-text-light);
  margin: 0;
}

/* Mfg grid */
.mita-mfg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 32px;
}
.mita-mfg-item {
  background: #fff;
  border: 1px solid var(--mita-border);
  border-radius: var(--mita-radius-lg);
  padding: 24px;
}
.mita-mfg-item h4 {
  font-family: var(--mita-font-heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--mita-primary);
  margin: 0 0 8px;
}
.mita-mfg-item p {
  font-size: 14px;
  color: var(--mita-text-light);
  margin: 0;
  line-height: 1.6;
}

/* Office grid */
.mita-office-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 32px;
}
.mita-office-item {
  background: #fff;
  border-radius: var(--mita-radius-lg);
  padding: 24px;
  border: 1px solid var(--mita-border);
}
.mita-office-item h4 {
  font-family: var(--mita-font-heading);
  font-size: 15px;
  font-weight: 600;
  color: var(--mita-primary);
  margin: 0 0 8px;
}
.mita-office-item p {
  font-size: 14px;
  color: var(--mita-text-light);
  margin: 0;
}

/* =============================================
   12. CONTACT PAGE
   ============================================= */
.mita-contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
}
.mita-contact-form-col h2,
.mita-contact-info-col h2 {
  font-family: var(--mita-font-heading);
  font-size: 24px;
  font-weight: 600;
  color: var(--mita-primary);
  margin: 0 0 8px;
}
.mita-contact-form-col > p {
  color: var(--mita-text-light);
  margin: 0 0 24px;
}
.mita-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.mita-form-group {
  margin-bottom: 16px;
}
.mita-form-group label {
  display: block;
  font-family: var(--mita-font-heading);
  font-size: 13px;
  font-weight: 600;
  color: var(--mita-text);
  margin-bottom: 6px;
}
.mita-form-group input,
.mita-form-group select,
.mita-form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--mita-border);
  border-radius: var(--mita-radius);
  font-family: var(--mita-font-body);
  font-size: 14px;
  color: var(--mita-text);
  background: #fff;
  transition: border-color 0.2s ease;
}
.mita-form-group input:focus,
.mita-form-group select:focus,
.mita-form-group textarea:focus {
  outline: none;
  border-color: var(--mita-secondary);
  box-shadow: 0 0 0 3px rgba(0,163,242,0.15);
}
.mita-form-group textarea {
  resize: vertical;
}
.mita-form-note {
  font-size: 12px;
  color: var(--mita-text-muted);
  margin-top: 8px;
}

/* Contact info */
.mita-contact-block {
  margin-bottom: 24px;
}
.mita-contact-block h4 {
  font-family: var(--mita-font-heading);
  font-size: 15px;
  font-weight: 600;
  color: var(--mita-primary);
  margin: 0 0 4px;
}
.mita-contact-block p {
  font-size: 14px;
  color: var(--mita-text-light);
  margin: 0;
  line-height: 1.6;
}

/* =============================================
   13. HEADER OVERRIDES
   ============================================= */
.mita-header {
  background: #fff;
  border-bottom: 1px solid var(--mita-border);
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.mita-header-inner {
  max-width: var(--mita-container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 24px;
}
.mita-logo a {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.mita-logo-text {
  font-family: var(--mita-font-heading);
  font-size: 24px;
  font-weight: 700;
  color: var(--mita-primary);
}
.mita-nav-menu {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 8px;
}
.mita-nav-menu a {
  font-family: var(--mita-font-heading);
  font-weight: 500;
  font-size: 14px;
  color: var(--mita-primary);
  text-decoration: none;
  padding: 10px 16px;
  border-radius: var(--mita-radius);
  transition: color 0.2s ease;
  white-space: nowrap;
}
.mita-nav-menu a:hover {
  color: var(--mita-secondary);
  background: var(--mita-light);
}

/* =============================================
   14. FOOTER OVERRIDES
   ============================================= */
.mita-footer {
  background: var(--mita-darker);
  color: rgba(255,255,255,0.7);
  padding: 60px 24px 0;
}
.mita-footer-inner {
  max-width: var(--mita-container);
  margin: 0 auto;
}
.mita-footer-widgets {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 0.8fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.mita-footer-brand .mita-footer-logo {
  font-family: var(--mita-font-heading);
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 8px;
}
.mita-footer-tagline {
  font-size: 13px;
  color: var(--mita-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0 0 12px;
}
.mita-footer-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
  margin: 0;
}
.mita-footer-heading {
  font-family: var(--mita-font-heading);
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0 0 16px;
}
.mita-footer-menu {
  list-style: none;
  padding: 0; margin: 0;
}
.mita-footer-menu li { margin-bottom: 8px; }
.mita-footer-menu a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
}
.mita-footer-menu a:hover { color: var(--mita-secondary); }

/* Footer copyright bar */
.mita-footer-copyright {
  text-align: center;
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  margin: 0;
}

/* =============================================
   15. RESPONSIVE
   ============================================= */
@media (max-width: 900px) {
  .mita-hero-title { font-size: 36px !important; }
  .mita-hero { padding: 60px 16px 48px; }
  .mita-section { padding: 48px 16px; }
  .mita-about-intro { grid-template-columns: 1fr; gap: 32px; }
  .mita-contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .mita-footer-widgets { grid-template-columns: 1fr 1fr; gap: 24px; }
  .mita-product-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .mita-hero-title { font-size: 28px !important; }
  .mita-hero-stats { gap: 20px; }
  .mita-stat-number { font-size: 28px; }
  .mita-page-title { font-size: 30px !important; }
  .mita-section-title { font-size: 26px !important; }
  .mita-product-grid { grid-template-columns: 1fr; }
  .mita-form-row { grid-template-columns: 1fr; }
  .mita-footer-widgets { grid-template-columns: 1fr; }
  .mita-app-grid { grid-template-columns: 1fr 1fr; }
  .mita-why-grid { grid-template-columns: 1fr; }
}

/* === Footer Logo Fix - White transparent logo, no filter === */
.mita-footer-logo-img {
    filter: none !important;
    -webkit-filter: none !important;
    max-height: 48px !important;
    margin-bottom: 12px !important;
    display: inline-block !important;
}