/* Apple.com 风格主题 — 吉禄实业官网 */
:root {
  --bg: #000000;
  --bg-soft: #1d1d1f;
  --surface: #ffffff;
  --surface-alt: #f5f5f7;
  --text: #1d1d1f;
  --text-muted: #6e6e73;
  --primary: #0071e3;
  --primary-dark: #0077ed;
  --primary-light: #2997ff;
  --accent: #0071e3;
  --accent-light: #2997ff;
  --accent-soft: #f5f5f7;
  --border: #d2d2d7;
  --radius: 18px;
  --radius-lg: 28px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --max: 1080px;
  --header-h: 48px;
  --transition: 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
}

body {
  background: var(--surface);
  color: var(--text);
  font-size: 17px;
  line-height: 1.47059;
  letter-spacing: -0.022em;
}

/* —— 顶栏 Apple 导航 —— */
.site-header {
  height: var(--header-h);
  background: rgba(251, 251, 253, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.site-header.scrolled {
  background: rgba(251, 251, 253, 0.92);
  box-shadow: none;
}

.header-inner {
  min-height: var(--header-h);
  height: var(--header-h);
}

.brand-text strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.brand-text span {
  display: none;
}

.brand-logo {
  width: 36px;
  height: 36px;
}

.brand-logo-full {
  height: 40px;
  max-width: 200px;
}

@media (max-width: 960px) {
  .brand-logo-full {
    height: 34px;
    max-width: 160px;
  }
}

.header-hotline {
  background: transparent;
  border: none;
  padding: 0;
}

.hotline-label {
  display: none;
}

.hotline-num {
  font-size: 12px;
  font-weight: 400;
  color: var(--text);
}

.nav a {
  font-size: 12px;
  font-weight: 400;
  color: var(--text);
  padding: 0 10px;
  border-radius: 0;
  letter-spacing: -0.01em;
}

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

.nav-cta {
  background: var(--primary) !important;
  font-size: 12px !important;
  padding: 6px 14px !important;
  border-radius: 980px !important;
}

/* —— Hero Apple —— */
.hero-apple {
  background: var(--surface-alt);
  padding: 0;
  min-height: auto;
  text-align: center;
}

.hero-apple-inner {
  padding: 72px 0 32px;
  max-width: 820px;
  margin: 0 auto;
}

.hero-eyebrow {
  font-size: 17px;
  color: var(--text-muted);
  margin: 0 0 12px;
  font-weight: 400;
}

.hero-apple-title {
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 20px;
  color: var(--text);
}

.hero-apple-sub {
  font-size: clamp(17px, 2vw, 21px);
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 28px;
  line-height: 1.5;
}

.hero-apple-visual {
  margin: 0;
  padding: 0 20px 48px;
  max-width: 1200px;
  margin-inline: auto;
}

.hero-apple-visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.hero-apple-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border-top: 1px solid var(--border);
  padding: 0;
  max-width: 100%;
}

.apple-stat {
  background: var(--surface);
  padding: 28px 16px;
  text-align: center;
}

.apple-stat strong {
  display: block;
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 4px;
}

.apple-stat span {
  font-size: 12px;
  color: var(--text-muted);
}

/* —— 按钮 —— */
.btn {
  font-size: 17px;
  font-weight: 400;
  padding: 12px 22px;
  letter-spacing: -0.022em;
  border-radius: 980px;
  transform: none;
}

.btn:hover {
  transform: none;
  opacity: 0.88;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: none;
}

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

.btn-secondary,
.btn-ghost-dark {
  background: transparent;
  color: var(--primary);
  border: none;
  box-shadow: none;
}

.btn-secondary:hover,
.btn-ghost-dark:hover {
  text-decoration: underline;
  background: transparent;
}

.btn-ghost {
  border: 1px solid var(--border);
  color: var(--primary);
}

/* —— 区块 —— */
.section {
  padding: 100px 0;
}

.section-alt {
  background: var(--surface-alt);
}

.section-head h2,
.section-head h1 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text);
}

.section-head p {
  font-size: 19px;
  color: var(--text-muted);
  line-height: 1.5;
}

.section-tag {
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0;
}

/* —— 卡片视觉 —— */
.category-card,
.product-card,
.solution-card,
.case-card,
.service-card {
  border: none;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: none;
  transition: transform var(--transition), opacity var(--transition);
}

.category-card:hover,
.product-card-link:hover,
.solution-card-link:hover,
.case-card-link:hover,
.service-card-link:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.card-visual,
.category-card-visual-img {
  aspect-ratio: 16/10;
  overflow: hidden;
  border-radius: var(--radius) var(--radius) 0 0;
  margin: -28px -24px 20px;
  background: var(--surface-alt);
}

.card-visual img,
.category-card-visual-img img,
.category-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.category-card:hover .card-visual img,
.solution-card-visual:hover .card-visual img {
  transform: scale(1.04);
}

.solution-card-visual {
  padding: 0 0 24px !important;
  text-align: left;
}

.solution-card-visual .card-visual {
  margin: 0 0 20px;
  border-radius: var(--radius);
}

.solution-card-visual h3 {
  padding: 0 20px;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.solution-card-visual p {
  padding: 0 20px;
  font-size: 14px;
  color: var(--text-muted);
}

.solutions-grid {
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.category-icon,
.solution-icon,
.product-icon {
  display: none;
}

.category-card {
  padding: 28px 24px;
  background: var(--surface-alt);
}

.category-card h3 {
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* —— 产品列表 —— */
.product-list-card {
  border: none;
  background: var(--surface-alt);
  border-radius: var(--radius);
  padding: 16px;
}

.product-list-card:hover {
  background: var(--surface);
  box-shadow: var(--shadow-lg);
}

.list-thumb-img,
.detail-img,
.article-hero-img {
  border-radius: 12px;
}

.product-detail-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

/* —— 文章详情 —— */
.article-detail h1 {
  font-weight: 600;
  letter-spacing: -0.03em;
}

.article-hero {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  margin-bottom: 40px;
}

/* —— 页脚 —— */
.site-footer {
  background: var(--surface-alt);
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

.site-footer strong,
.footer-inner strong {
  color: var(--text);
}

/* —— 子页面 —— */
.page-hero {
  background: var(--surface-alt);
  border-bottom: none;
}

.subpage .page-main {
  padding-top: var(--header-h);
}

.page-section {
  padding: 64px 0 100px;
}

.breadcrumb {
  font-size: 12px;
}

/* —— 暗色区块变体 —— */
.section-dark {
  background: var(--bg);
  color: #f5f5f7;
}

.section-dark .section-head h2,
.section-dark h3 {
  color: #f5f5f7;
}

.section-dark p {
  color: #a1a1a6;
}

/* —— 响应式 —— */
@media (max-width: 960px) {
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

.page-hero-banner {
  margin: 0 0 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.page-hero-banner img {
  width: 100%;
  display: block;
}

.case-card-visual,
.news-slide-visual {
  padding: 0 !important;
  overflow: hidden;
}

.case-card-visual .card-visual {
  margin: 0;
  border-radius: var(--radius) var(--radius) 0 0;
}

.case-card-visual .case-tag,
.case-card-visual h3,
.case-card-visual p {
  padding: 0 20px;
}

.case-card-visual .case-tag {
  margin-top: 16px;
}

.news-slide-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--surface-alt);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.news-slide-visual-img {
  margin: 0;
  aspect-ratio: 16/10;
}

.news-slide-visual-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-slide-visual .news-slide-inner {
  padding: 32px;
}

@media (max-width: 768px) {
  .news-slide-visual {
    grid-template-columns: 1fr;
  }

  .hero-apple-inner {
    padding: 48px 0 24px;
  }

  .section {
    padding: 72px 0;
  }

  .solutions-grid,
  .category-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    background: rgba(251, 251, 253, 0.98);
  }

  .header-hotline {
    display: none;
  }
}