/* Generated by Trae Work */
/* 佛山市晶固胶粘剂有限公司 - 共享样式 */

:root {
  --primary: #1a56db;
  --primary-dark: #164bc7;
  --primary-light: #3b82f6;
  --secondary: #0ea5e9;
  --accent: #06b6d4;
  --text: #1f2937;
  --text-light: #6b7280;
  --text-lighter: #9ca3af;
  --bg: #ffffff;
  --bg-light: #f8fafc;
  --bg-dark: #0f172a;
  --border: #e5e7eb;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --radius: 8px;
  --radius-lg: 16px;
  --max-width: 1200px;
  --header-height: 80px;
}

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

html {
  scroll-behavior: smooth;
}

/* Heading anchor scroll offset */
:target {
  scroll-margin-top: calc(var(--header-height) + 20px);
}

/* Focus-visible styles for all interactive elements */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--primary);
  color: white;
  padding: 12px 24px;
  z-index: 10000;
  border-radius: 0 0 8px 0;
  font-size: 14px;
  font-weight: 500;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 0;
}

/* Touch optimization */
button, a.btn, .nav a, .search-item {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

/* Prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--bg);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  background: var(--bg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  border-bottom: 1px solid var(--border);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 20px;
  box-shadow: 0 2px 8px rgba(26, 86, 219, 0.2);
  flex-shrink: 0;
}

.logo-img {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.logo-text h1 {
  font-size: 18px;
  color: var(--text);
  line-height: 1.2;
  font-weight: 700;
  white-space: nowrap;
}

.logo-text span {
  font-size: 11px;
  color: var(--text-light);
  white-space: nowrap;
}

.nav {
  display: flex;
  gap: 28px;
}

.nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  position: relative;
  padding: 8px 0;
  transition: color 0.2s;
}

.nav a:hover,
.nav a.active {
  color: var(--primary);
}

.nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.header-search {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text);
}

/* Header Search */
.header-search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
}

.header-search input {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  width: 200px;
  transition: border-color 0.3s, box-shadow 0.3s, width 0.3s;
  font-family: inherit;
}

.header-search input:focus-visible {
  border-color: var(--primary);
  width: 260px;
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

.header-search button {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  padding: 6px;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.header-search button:hover {
  opacity: 1;
}

.search-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 320px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  display: none;
  z-index: 1001;
  max-height: 400px;
  overflow-y: auto;
}

.search-item {
  display: block;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}

.search-item:hover {
  background: var(--bg-light);
}

.search-item-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 2px;
}

.search-item-meta {
  font-size: 12px;
  color: var(--text-light);
}

.search-no-result {
  padding: 20px;
  text-align: center;
  color: var(--text-light);
  font-size: 14px;
}

/* Footer */
.footer {
  background: var(--bg-dark);
  color: #94a3b8;
  padding: 60px 0 20px;
}

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

.footer-brand h3 {
  color: white;
  font-size: 20px;
  margin-bottom: 16px;
}

.footer-brand p {
  line-height: 1.8;
  margin-bottom: 16px;
}

.footer-section h4 {
  color: white;
  font-size: 16px;
  margin-bottom: 20px;
}

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

.footer-section ul li {
  margin-bottom: 12px;
}

.footer-section ul li a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 20px;
  text-align: center;
  font-size: 13px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  border: none;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

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

.btn-white:hover {
  background: var(--bg-light);
}

/* Section Title */
.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: 32px;
  color: var(--text);
  margin-bottom: 12px;
}

.section-title p {
  color: var(--text-light);
  font-size: 16px;
}

.section-title .line {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  margin: 16px auto 0;
  border-radius: 2px;
}

/* Breadcrumb */
.breadcrumb {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  padding: 40px 0;
  color: white;
}

.breadcrumb h1 {
  font-size: 32px;
  margin-bottom: 8px;
}

.breadcrumb .path {
  font-size: 14px;
  opacity: 0.9;
}

.breadcrumb .path a:hover {
  text-decoration: underline;
}

/* Card */
.card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
}

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

.card-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--bg-light);
}

.card-body {
  padding: 20px;
}

.card-title {
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--text);
}

.card-text {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.6;
}

/* Grid */
.grid {
  display: grid;
  gap: 24px;
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Form */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 14px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  transition: border-color 0.3s;
  font-family: inherit;
}

.form-input:focus-visible,
.form-textarea:focus-visible,
.form-select:focus-visible {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

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

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  .header .container {
    gap: 8px;
    padding: 0 12px;
  }

  .logo {
    gap: 8px;
  }

  .logo-icon {
    width: 34px;
    height: 34px;
    font-size: 15px;
    border-radius: 8px;
    flex-shrink: 0;
  }

  .logo-img {
    width: 34px;
    height: 34px;
    border-radius: 8px;
  }

  .logo-text h1 {
    font-size: 13px;
  }

  .logo-text span {
    font-size: 9px;
  }

  .header-search {
    display: none;
  }

  .nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    padding: 16px 20px;
    box-shadow: var(--shadow-lg);
    gap: 0;
    border-top: 1px solid var(--border);
  }

  .nav.active {
    display: flex;
  }

  .nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    font-size: 15px;
  }

  .nav a:last-child {
    border-bottom: none;
  }

  .nav a.active::after {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--bg-light);
    font-size: 20px;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .section-title h2 {
    font-size: 24px;
  }

  .breadcrumb h1 {
    font-size: 24px;
  }
}