/* ═══════════════════════════════════════════════════
   合淼生物科技 - 主样式表
   ═══════════════════════════════════════════════════ */

/* ─── Variables ─── */
:root {
  --color-primary: #1D2B74;
  --color-primary-hover: #162054;
  --color-secondary: #F8F9FC;
  --color-accent: #4A6CF7;
  --color-bg: #FFFFFF;
  --color-surface: #F5F7FA;
  --color-text: #1A1A2E;
  --color-muted: #5A5A7A;
  --color-border: #e2e5ef;
  --color-success: #22C55E;
  --color-warning: #F59E0B;
  --color-error: #EF4444;

  --font-en: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-en-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-zh: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;

  --max-width: 1600px;
  --header-height: 72px;
  --section-gap: 100px;
  --card-radius: 8px;
  --btn-radius: 6px;
  --shadow-sm: 0 2px 16px rgba(29, 43, 116, 0.06);
  --shadow-md: 0 4px 24px rgba(29, 43, 116, 0.10);
  --transition: all 0.2s ease;

  /* Typography */
  --fw-light: 400;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --ls-tight: -0.01em;
  --ls-wide: 0.02em;
  --ls-wider: 0.04em;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-zh);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-zh);
  line-height: 1.35;
  font-weight: var(--fw-light);
  letter-spacing: var(--ls-tight);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

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

ul, ol {
  list-style: none;
}

/* ─── Utility ─── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 32px;
  font-size: 15px;
  font-weight: var(--fw-light);
  font-family: var(--font-zh);
  border-radius: var(--btn-radius);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  letter-spacing: var(--ls-wide);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

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

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

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

.btn-text {
  background: transparent;
  color: var(--color-primary);
  padding: 8px 0;
  min-height: auto;
  font-weight: 500;
  position: relative;
}

.btn-text::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

.btn-text:hover::after {
  width: 100%;
}

/* ─── Section Spacing ─── */
.section {
  padding: var(--section-gap) 0;
}

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

.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: var(--fw-light);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  margin-bottom: 16px;
}

.section-header {
  margin-bottom: 48px;
}

.section-title {
  font-size: 36px;
  font-weight: var(--fw-light);
  color: var(--color-primary);
  margin-bottom: 24px;
  letter-spacing: var(--ls-wide);
}

.section-subtitle {
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ── PAGE HERO (common inner page banner) ── */
.page-hero {
  position: relative;
  height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-primary);
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.4);
}
.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(29, 43, 116, 0.7) 0%, rgba(29, 43, 116, 0.5) 100%);
}
.page-hero-content {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 800px;
}
.page-hero-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 16px;
  font-family: var(--font-en-sans);
}
.page-hero-title {
  font-size: clamp(40px, 4.5vw, 48px);
  font-weight: var(--fw-light);
  line-height: 1.2;
  color: #fff;
  letter-spacing: 0.02em;
}
.page-hero-desc {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
  max-width: 700px;
}
@media (max-width: 768px) {
  .page-hero {
    height: auto;
    padding: 120px 0 80px;
  }
  .page-hero-title { font-size: 28px; }
  .page-hero-desc { font-size: 14px; }
}

/* ── PRODUCT LIST ─── */
.section-product-list { padding: 100px 0; }
.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}
.product-tag {
  display: inline-block;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-muted);
  background: var(--color-surface);
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition);
}
.product-tag:hover,
.product-tag.active {
  color: #fff;
  background: var(--color-primary);
}
.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.product-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: var(--transition);
}
.product-card:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-4px);
  border-color: transparent;
}
.product-card-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  background-color: var(--color-surface);
}
.product-card-body { padding: 24px 20px; }
.product-card-title {
  font-size: 18px;
  font-weight: var(--fw-medium);
  color: var(--color-primary);
  margin-bottom: 8px;
}
.product-card-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  margin-bottom: 12px;
}
.product-tag-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  padding: 3px 10px;
  background: var(--color-secondary);
  color: var(--color-primary);
  border-radius: 100px;
}
@media (max-width: 1024px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .product-grid { grid-template-columns: 1fr; } }

/* ── NEWS LIST ─── */
.section-news { padding: 100px 0; }
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.news-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: var(--transition);
}
.news-card:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-4px);
  border-color: transparent;
}
.news-card-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  background-size: cover;
  background-position: center;
  background-color: var(--color-surface);
}
.news-card-body { padding: 24px 20px; }
.news-card-date {
  font-size: 12px;
  color: var(--color-muted);
  margin-bottom: 12px;
  display: block;
}
.news-card-title {
  font-size: 18px;
  font-weight: var(--fw-medium);
  color: var(--color-primary);
  margin-bottom: 10px;
}
.news-card-excerpt {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-muted);
  margin-bottom: 16px;
}
@media (max-width: 1024px) { .news-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .news-grid { grid-template-columns: 1fr; } }

/* ─── Animations ─── */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  .fade-in-up {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ═══════════════════════════════════════════════════
   HEADER & NAVIGATION
   ═══════════════════════════════════════════════════ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: 0 1px 0 var(--color-border);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
  gap: 32px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1001;
}

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

.header-logo-text {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px; /* 限制最大宽度以触发省略 */
}

.header-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.header-nav a {
  font-size: 15px;
  font-weight: var(--fw-regular);
  color: var(--color-text);
  padding: 8px 0;
  position: relative;
  letter-spacing: var(--ls-wide);
}

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

.header-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

.header-nav a:hover::after,
.header-nav a.active::after {
  width: 100%;
}

/* ─── Header Search ─── */
.header-search {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 6px 14px;
  gap: 8px;
  background: var(--color-surface);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.header-search:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(29, 43, 116, 0.1);
}

.header-search input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 14px;
  font-family: var(--font-zh);
  color: var(--color-text);
  width: 140px;
}

.header-search input::placeholder {
  color: var(--color-muted);
}

.header-search button {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-muted);
  padding: 0;
  transition: color 0.2s ease;
}

.header-search button:hover {
  color: var(--color-primary);
}

/* ─── Mega Menu ─── */
.nav-item {
  position: relative;
}

.nav-item > a::after {
  content: '';
  position: static;
  display: inline-block;
  bottom: auto;
  left: auto;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  margin-left: 6px;
  vertical-align: middle;
  background: none;
  transition: var(--transition);
}

.nav-item > a:hover::after,
.nav-item > a.active::after {
  width: 0;
}

.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 40px rgba(29, 43, 116, 0.12);
  border: 1px solid var(--color-border);
  border-right: 1px solid #fff;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  z-index: 999;
  overflow: hidden;
}

.nav-item.mega-open .mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.mega-menu-inner {
  display: grid;
  grid-template-columns: 240px 260px 420px;
  min-height: 320px;
}

/* ─── Category Column (Left) ─── */
.mega-col-cats {
  padding: 28px 0;
  border-right: 1px solid var(--color-border);
}

.mega-cat {
  padding: 0 24px;
}

.mega-cat-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  font-size: 15px;
  font-weight: 400;
  color: #8A8AA0;
  transition: color 0.2s ease, font-weight 0.2s ease;
}

.mega-cat-link:hover,
.mega-cat.active .mega-cat-link {
  color: var(--color-primary);
  font-weight: 600;
}

.mega-cat-arrow {
  font-size: 18px;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  color: var(--color-primary);
}

.mega-cat.active .mega-cat-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ─── Sub-items Column (Middle) ─── */
.mega-col-subs {
  padding: 28px 28px;
}

.mega-sub-header {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  padding-bottom: 12px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--color-border);
}

/* 注释掉这条规则，让子菜单标题显示 */
/* .mega-menu .mega-sub-header {
  display: none;
} */

.mega-sub-panel {
  display: none;
}

.mega-sub-panel.active {
  display: block;
}

.mega-sub-link {
  display: block;
  padding: 9px 0;
  font-size: 14px;
  color: var(--color-text);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.mega-sub-link:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

/* ── Featured Column (Right) ─── */
.mega-col-featured {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mega-featured-panel {
  display: none;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}

.mega-featured-panel.active {
  display: flex;
}

.mega-featured-card {
  display: flex;
  border-radius: var(--card-radius);
  overflow: hidden;
  background: #fff;
  border: 1px solid #fff;
  text-decoration: none;
  flex: 1;
  min-height: 0;
}

.mega-featured-card-full {
  flex: 1;
  border-radius: var(--card-radius);
  overflow: hidden;
  display: flex;
  height: 100%;
}

.mega-featured-card-full .mega-featured-img {
  width: 100%;
  height: 100%;
  min-height: 200px;
  border-radius: var(--card-radius);
}

.mega-featured-img {
  width: 45%;
  min-height: 100%;
  background-size: cover;
  background-position: center;
  flex-shrink: 0;
  border-radius: var(--card-radius);
}

.mega-featured-body {
  flex: 1;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  min-width: 0;
}

.mega-featured-title {
  font-size: 15px;
  font-weight: var(--fw-light);
  color: var(--color-primary);
  line-height: 1.3;
  word-break: break-all;
  white-space: normal;
}

.mega-featured-desc {
  font-size: 12px;
  color: #5A5A7A;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.mega-featured-cta {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.mega-featured-cta::after {
  content: '›';
  font-size: 14px;
}

/* ─── Hamburger ─── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
  border-radius: 1px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ─── Mobile Nav ─── */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 360px;
  height: 100vh;
  height: 100dvh;
  background: #fff;
  z-index: 1000;
  overflow-y: auto;
  padding: 100px 32px 32px;
  transition: right 0.3s ease;
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.1);
}

.mobile-nav.open {
  right: 0;
}

.mobile-search {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 6px 14px;
  gap: 8px;
  background: var(--color-surface);
  margin-bottom: 24px;
}

.mobile-search input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 14px;
  font-family: var(--font-zh);
  color: var(--color-text);
  width: 100%;
}

.mobile-search button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-muted);
  display: flex;
  align-items: center;
}

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-overlay.open {
  opacity: 1;
}

.mobile-nav a {
  display: block;
  padding: 14px 0;
  font-size: 16px;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav .mobile-nav-children {
  padding-left: 20px;
  display: none;
}

.mobile-nav .mobile-nav-children.open {
  display: block;
}

.mobile-nav .mobile-expand {
  float: right;
  background: none;
  border: none;
  font-size: 12px;
  color: var(--color-muted);
  cursor: pointer;
  padding: 0 8px;
}

/* ═══════════════════════════════════════════════════
   HERO BANNER
   ═══════════════════════════════════════════════════ */

.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 700px;
  max-height: 1000px;
  overflow: hidden;
  background: var(--color-primary);
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
}

.hero-slide.active {
  opacity: 1;
  z-index: 1;
}

.hero-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.45);
  transform: scale(1.02);
  transition: transform 6s ease;
}

.hero-slide.active .hero-slide-bg {
  transform: scale(1);
}

.hero-slide-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 80px;
  width: 100%;
  color: #fff;
}

.hero-tagline {
  display: inline-block;
  font-size: 13px;
  font-weight: var(--fw-light);
  letter-spacing: var(--letter-wideest);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.8s ease 0.3s, transform 0.8s ease 0.3s;
}

.hero-slide.active .hero-tagline {
  opacity: 1;
  transform: translateY(0);
}

.hero-divider {
  width: 48px;
  height: 1px;
  background: rgba(255, 255, 255, 0.5);
  margin-bottom: 28px;
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 0.8s ease 0.4s, transform 0.8s ease 0.4s;
}

.hero-slide.active .hero-divider {
  opacity: 1;
  transform: translateX(0);
}

.hero-title {
  font-size: clamp(38px, 4.5vw, 68px);
  font-weight: var(--fw-light);
  line-height: 1.25;
  margin-bottom: 24px;
  max-width: 680px;
  letter-spacing: 0.01em;
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.8s ease 0.5s, transform 0.8s ease 0.5s;
}

.hero-slide.active .hero-title {
  opacity: 1;
  transform: translateY(0);
}

.hero-subtitle {
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: 48px;
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.8s ease 0.6s, transform 0.8s ease 0.6s;
  font-weight: var(--fw-regular);
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.01em;
}

.hero-slide.active .hero-subtitle {
  opacity: 1;
  transform: translateY(0);
}

.hero-cta {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.8s ease 0.7s, transform 0.8s ease 0.7s;
}

.hero-slide.active .hero-cta {
  opacity: 1;
  transform: translateY(0);
}

.hero-cta .btn-hero {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-size: 14px;
  font-weight: var(--fw-light);
  letter-spacing: var(--letter-wider);
  text-transform: uppercase;
  padding: 14px 0;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  background: transparent;
  cursor: pointer;
  transition: all 0.4s ease;
  text-decoration: none;
}

.hero-cta .btn-hero:hover {
  border-bottom-color: #fff;
  gap: 18px;
}

.hero-cta .btn-hero svg {
  width: 18px;
  height: 18px;
  transition: transform 0.3s ease;
}

.hero-cta .btn-hero:hover svg {
  transform: translateX(4px);
}

/* Arrows */
.hero-arrows {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 48px;
  z-index: 10;
  pointer-events: none;
}

.hero-arrow {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  pointer-events: auto;
  transition: all 0.4s ease;
  backdrop-filter: blur(4px);
}

.hero-arrow:hover {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.hero-arrow svg {
  width: 20px;
  height: 20px;
}

/* Progress Indicator */
.hero-progress {
  position: absolute;
  bottom: 48px;
  left: 80px;
  right: 80px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero-progress-track {
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.15);
  position: relative;
  overflow: hidden;
}

.hero-progress-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0;
  background: rgba(255, 255, 255, 0.7);
}

.hero-counter {
  font-size: 13px;
  font-weight: var(--fw-light);
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.1em;
  white-space: nowrap;
  font-family: var(--font-en);
}

/* ═══════════════════════════════════════════════════
   PAGE HERO (common inner page banner)
   ═══════════════════════════════════════════════════ */

.page-hero {
  position: relative;
  height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-primary);
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.4);
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(29, 43, 116, 0.7) 0%, rgba(29, 43, 116, 0.5) 100%);
}

.page-hero-content {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 800px;
}

.page-hero-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 16px;
  font-family: var(--font-en-sans);
}

.page-hero-title {
  font-size: clamp(40px, 4.5vw, 48px);
  font-weight: var(--fw-light);
  line-height: 1.2;
  color: #fff;
  letter-spacing: 0.02em;
}

.page-hero-desc {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
  max-width: 700px;
}

@media (max-width: 768px) {
  .page-hero {
    height: auto;
    padding: 120px 0 80px;
  }
  .page-hero-title {
    font-size: 28px;
  }
  .page-hero-desc {
    font-size: 14px;
  }
}

/* ═══════════════════════════════════════════════════
   PRODUCT LIST (children pages)
   ═══════════════════════════════════════════════════ */

.section-product-list {
  padding: 100px 0;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.product-tag {
  display: inline-block;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-muted);
  background: var(--color-surface);
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition);
}

.product-tag:hover,
.product-tag.active {
  color: #fff;
  background: var(--color-primary);
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.product-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: var(--transition);
}

.product-card:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-4px);
  border-color: transparent;
}

.product-card-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  background-color: var(--color-surface);
}

.product-card-body {
  padding: 24px 20px;
}

.product-card-title {
  font-size: 18px;
  font-weight: var(--fw-light);
  color: var(--color-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.product-card-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  margin-bottom: 12px;
}

.product-tag-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  padding: 3px 10px;
  background: var(--color-secondary);
  color: var(--color-primary);
  border-radius: 100px;
}

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

@media (max-width: 768px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
  .product-tags {
    gap: 8px;
  }
  .product-tag {
    padding: 6px 14px;
    font-size: 13px;
  }
}

/* ═══════════════════════════════════════════════════
   NEWS LIST
   ═══════════════════════════════════════════════════ */

.section-news {
  padding: 100px 0;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.news-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: var(--transition);
}

.news-card:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-4px);
  border-color: transparent;
}

.news-card-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  background-size: cover;
  background-position: center;
  background-color: var(--color-surface);
}

.news-card-body {
  padding: 24px 20px;
}

.news-card-date {
  font-size: 12px;
  color: var(--color-muted);
  margin-bottom: 12px;
  display: block;
  font-family: var(--font-en-sans);
}

.news-card-title {
  font-size: 18px;
  font-weight: var(--fw-light);
  color: var(--color-primary);
  margin-bottom: 10px;
  line-height: 1.5;
}

.news-card-excerpt {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-muted);
  margin-bottom: 16px;
}

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

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

.section-intro {
  padding: 100px 0;
  text-align: center;
  background: var(--color-bg);
}

.section-intro .container {
  max-width: 800px;
}

.section-intro-title {
  font-size: 40px;
  font-weight: var(--fw-light);
  color: var(--color-primary);
  margin-bottom: 24px;
  letter-spacing: var(--ls-wide);
}

.section-intro-text {
  font-size: 18px;
  line-height: 1.8;
  color: var(--color-muted);
  margin-bottom: 40px;
}

/* ═══════════════════════════════════════════════════
   BUSINESS GRID
   ═══════════════════════════════════════════════════ */

.section-business {
  padding: 100px 0 80px;
}

.section-business .section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-business .section-label {
  display: block;
  font-size: 13px;
  font-weight: var(--fw-light);
  color: var(--color-muted);
  text-transform: none;
  letter-spacing: var(--ls-wide);
  margin-bottom: 12px;
}

.section-business .section-title {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: var(--fw-light);
  color: var(--color-primary);
  margin-bottom: 0;
  letter-spacing: var(--ls-wide);
}

.business-grid{
  display: grid;
  grid-template-columns: repeat(4, 370px);
  justify-content: center;
  gap: 24px;
  margin-bottom: 48px;
}

.business-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--card-radius);
  cursor: pointer;
  width: 370px !important;
  max-width: 100%;
  aspect-ratio: 4 / 3;
  height: auto !important;
  box-sizing: border-box;
}

.business-item-link {
  display: block;
  text-decoration: none;
  color: inherit;
  width: 100%;
  height: 100%;
}

.business-item-img {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--color-surface);
}

.business-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.business-item:hover .business-item-img img {
  transform: scale(1.05);
}

.business-item-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 32px 24px;
  background: rgba(29, 43, 116, 0.30);
  z-index: 2;
  transition: background 0.4s ease;
}

.business-item:hover .business-item-overlay {
  background: rgba(29, 43, 116, 0.60);
}

.business-item-title {
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  line-height: 1.3;
  text-align: center;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.business-item:hover .business-item-title {
  opacity: 1;
  transform: translateY(0);
}

.business-item-hidden {
  display: none;
}

.business-toggle-btn {
  cursor: pointer;
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  padding: 12px 32px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 4px;
  transition: var(--transition);
  font-family: inherit;
}

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

.business-view-all {
  text-align: center;
}

/* ═══════════════════════════════════════════════════
   ABOUT SECTION
   ═══════════════════════════════════════════════════ */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 160px;
  align-items: start;
}

.about-label {
  position: relative;
  display: inline-block;
  font-size: 13px;
  font-weight: var(--fw-light);
  color: var(--color-primary);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  margin-bottom: 20px;
  padding-left: 18px;
}

.about-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 18px;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: 2px;
}

.about-title {
  font-size: clamp(28px, 3vw, 38px);
  font-weight: var(--fw-light);
  line-height: 1.35;
  margin-bottom: 24px;
  color: var(--color-primary);
  letter-spacing: var(--ls-tight);
}

.about-subtitle {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.about-text {
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-muted);
  margin-bottom: 0;
}

/* About Images - Overlapping Layout */
.about-images {
  position: relative;
  width: 100%;
  aspect-ratio: 9 / 12;
  max-height: 520px;
}

.about-image-main {
  width: 100%;
  height: 100%;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(29, 43, 116, 0.12);
}

.about-image-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.about-image-main:hover img {
  transform: scale(1.03);
}

.about-image-overlay {
  position: absolute;
  bottom: -20px;
  left: -40px;
  width: 45%;
  max-width: 200px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  border: 4px solid #fff;
  z-index: 2;
}

.about-image-overlay img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-video-text {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  z-index: 2;
  line-height: 1.6;
}

/* Metrics - Inline in left column */
.about-metrics-inline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
}

.metric-card {
  background: var(--color-secondary);
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 20px 12px 16px;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 1px;
  opacity: 0;
  transition: opacity 0.3s ease, width 0.3s ease;
}

.metric-card:hover {
  background: #fff;
  border-color: var(--color-border);
  box-shadow: 0 4px 20px rgba(29, 43, 116, 0.08);
  transform: translateY(-2px);
}

.metric-card:hover::before {
  opacity: 1;
  width: 32px;
}

.metric-value {
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-en);
  margin-bottom: 4px;
  display: inline-flex;
  align-items: baseline;
  gap: 1px;
  line-height: 1.1;
}

.metric-value .metric-number {
  display: inline-block;
  min-width: 1em;
  text-align: right;
}

.metric-value .metric-suffix {
  font-size: 0.5em;
  font-weight: 600;
  margin-left: 1px;
  opacity: 0.6;
}

.metric-label {
  font-size: 12px;
  color: var(--color-muted);
  font-weight: 500;
  letter-spacing: 0.03em;
}

.about-cta {
  margin-top: 32px;
}

.about-cta .btn {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  padding: 12px 32px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 4px;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
}

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

/* Values */
.about-values {
  margin-top: 80px;
}

.about-values-header {
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-bottom: 0;
  padding-right: 40px;
}

.about-values-title {
  font-size: 32px;
  font-weight: var(--fw-light);
  color: var(--color-primary);
  margin-bottom: 12px;
  letter-spacing: var(--ls-wide);
}

.about-values-subtitle {
  font-size: 16px;
  color: var(--color-muted);
  max-width: 560px;
  margin: 0;
  line-height: 1.7;
}

.about-values-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.about-value-card {
  background: transparent;
  border: none;
  border-radius: 0;
  overflow: visible;
  transition: none;
  display: flex;
  flex-direction: column;
  padding: 28px 0;
  border-bottom: 1px solid var(--color-border);
}

.about-value-card:first-child {
  padding-top: 0;
}

.about-value-card:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.about-value-card:hover {
  box-shadow: none;
  transform: none;
  border-color: var(--color-primary);
}

.about-value-card-img {
  display: none;
}

.about-value-card-body {
  padding: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.about-value-card-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  margin-bottom: 10px;
  display: inline-block;
  padding: 0;
  background: transparent;
  border-radius: 0;
  align-self: flex-start;
}

.about-value-card-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-muted);
  flex: 1;
}

.about-value-card-accent {
  display: none;
}

.about-values {
  display: flex;
  gap: 80px;
  align-items: flex-start;
}

.about-values-header {
  flex: 0 0 280px;
  position: sticky;
  top: 100px;
}

  .about-values-grid {
    flex: 1;
  }

  .about-values-img-wrap {
    flex: none;
    position: static;
    width: 360px;
  }

.about-values-img-wrap {
  flex: 0 0 360px;
  position: sticky;
  top: 100px;
}

.about-values-img {
  width: 360px;
  height: 360px;
  border-radius: var(--card-radius);
  background-size: cover;
  background-position: center;
  background-color: var(--color-surface);
  transition: background-image 0.4s ease;
}

/* ═══════════════════════════════════════════════════
   EXPLORE SECTION
   ═══════════════════════════════════════════════════ */

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

.explore-card {
  background: #fff;
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: none;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.explore-card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.explore-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.explore-card:hover .explore-card-img img {
  transform: scale(1.05);
}

.explore-card-body {
  padding: 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.explore-card-title {
  font-size: 22px;
  font-weight: var(--fw-light);
  margin-bottom: 16px;
  color: var(--color-primary);
  letter-spacing: var(--ls-tight);
}

.explore-card-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-muted);
  margin-bottom: 24px;
  flex: 1;
}

.explore-card .btn {
  align-self: flex-start;
}

/* ══════════════════════════════════════════════════
   EVENTS SECTION
   ═══════════════════════════════════════════════════ */

.events-cards-wrap {
  width: 100%;
}

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

.event-card {
  background: #fff;
  border-radius: 12px;
  padding: 28px 24px 24px;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  min-height: 200px;
  text-decoration: none;
  color: inherit;
}

.event-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  color: inherit;
}

.event-card-past {
  background: #f5f5f5;
  border-color: #e0e0e0;
  opacity: 0.6;
  filter: grayscale(0.8);
}

.event-card-past .event-card-title {
  color: #999;
}

.event-card-past .event-card-date,
.event-card-past .event-card-location,
.event-card-past .event-card-booth {
  color: #aaa;
}

.event-card-past .event-card-date svg,
.event-card-past .event-card-location svg {
  stroke: #aaa;
}

.event-card-title {
  font-size: 17px;
  font-weight: var(--fw-light);
  margin-bottom: 16px;
  color: var(--color-primary);
  line-height: 1.5;
  flex: 0;
}

.event-card-date,
.event-card-location {
  font-size: 13px;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.event-card-date svg,
.event-card-location svg {
  width: 15px;
  height: 15px;
  stroke: var(--color-muted);
  flex-shrink: 0;
}

.event-card-booth {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 6px;
  padding-left: 21px;
}

.event-card-tag-wrap {
  margin-top: auto;
  padding-top: 12px;
}

.event-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 14px;
  border-radius: 100px;
  background: var(--color-secondary);
  color: var(--color-primary);
}

.event-tag-blue {
  background: #E8F0FE;
  color: #1967D2;
}

.event-tag-green {
  background: #E6F4EA;
  color: #137333;
}

.event-tag-red {
  background: #FCE8E6;
  color: #C5221F;
}

/* ═══════════════════════════════════════════════════
   FINAL CTA
   ═══════════════════════════════════════════════════ */

.section-cta {
  padding: 0;
  position: relative;
  overflow: hidden;
}

.cta-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 64px;
  width: 1500px;
  height: 250px;
  max-width: calc(100% - 40px);
  margin: 0 auto 60px;
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  background: url('../images/photo-1556228578-8c89e6adf883_w1600_q80.jpg') center/cover no-repeat, linear-gradient(135deg, #0a1628 0%, #1a2d5a 40%, #1e3a6e 70%, #0d1f3c 100%);
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 22, 40, 0.75) 0%, rgba(26, 45, 90, 0.65) 40%, rgba(30, 58, 110, 0.6) 70%, rgba(13, 31, 60, 0.75) 100%);
  pointer-events: none;
}

.cta-bubbles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.cta-bubble {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.03));
  border: 1px solid rgba(255, 255, 255, 0.08);
  animation: ctaBubbleFloat 8s ease-in-out infinite;
}

.cta-bubble:nth-child(1) {
  width: 120px; height: 120px;
  left: 5%; bottom: -20px;
  animation-delay: 0s;
  animation-duration: 7s;
}

.cta-bubble:nth-child(2) {
  width: 80px; height: 80px;
  left: 12%; bottom: 10px;
  animation-delay: -2s;
  animation-duration: 9s;
}

.cta-bubble:nth-child(3) {
  width: 50px; height: 50px;
  left: 20%; bottom: -10px;
  animation-delay: -4s;
  animation-duration: 6s;
}

.cta-bubble:nth-child(4) {
  width: 160px; height: 160px;
  right: 8%; top: -40px;
  animation-delay: -1s;
  animation-duration: 10s;
}

.cta-bubble:nth-child(5) {
  width: 60px; height: 60px;
  right: 18%; top: 10px;
  animation-delay: -3s;
  animation-duration: 8s;
}

.cta-bubble:nth-child(6) {
  width: 35px; height: 35px;
  right: 28%; bottom: 5px;
  animation-delay: -5s;
  animation-duration: 7s;
}

.cta-bubble:nth-child(7) {
  width: 90px; height: 90px;
  left: 40%; top: -20px;
  animation-delay: -6s;
  animation-duration: 11s;
}

@keyframes ctaBubbleFloat {
  0%, 100% { transform: translateY(0) scale(1); opacity: 0.6; }
  50% { transform: translateY(-12px) scale(1.05); opacity: 1; }
}

.cta-content {
  position: relative;
  z-index: 2;
  flex: 1;
}

.cta-title {
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: var(--fw-light);
  color: #fff;
  line-height: 1.3;
  margin: 0;
  letter-spacing: var(--ls-wide);
}

.cta-action {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
  margin-left: 40px;
}

.cta-action .btn {
  background: #fff;
  color: #1a2d5a;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 32px;
  min-height: auto;
  border-radius: 6px;
  white-space: nowrap;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.cta-action .btn:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

/* ═══════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════ */

.footer {
  background: #0F1529;
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
}

.footer-links a {
  display: block;
  padding: 4px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}

/* Footer links two-column layout */
.footer-links-two-col {
  display: grid;
  grid-template-columns: auto auto;
  gap: 4px 24px;
}

/* Social Icons - 4 first row, 3 left-aligned second row */
.footer-social {
  display: grid;
  grid-template-columns: repeat(4, 40px);
  gap: 16px;
  margin-top: -4px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  color: rgba(255, 255, 255, 0.6);
}

.footer-social a:hover {
  background: var(--color-primary);
  color: #fff;
}

.footer-social a svg {
  width: 18px;
  height: 18px;
}

/* Contact */
.footer-contact-item {
  margin-bottom: 16px;
}

.footer-contact-label {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

.footer-contact-phone {
  font-size: 16px;
  color: #fff;
}

.footer-contact-note {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.4);
}

/* ═══════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════ */

@media (max-width: 1024px) {
  :root {
    --section-gap: 80px;
  }

  .container {
    padding: 0 32px;
  }

  .business-grid {
    grid-template-columns: repeat(2, minmax(0, 370px));
    justify-content: center;
    gap: 16px;
  }

  .business-item {
    width: 100%;
    max-width: 370px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-metrics-inline {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 32px;
    padding-top: 24px;
  }

  .metric-card {
    padding: 18px 10px 14px;
  }

  .about-values {
    flex-direction: column;
    gap: 32px;
  }

  .about-values-header {
    flex: none;
    position: static;
    padding-right: 0;
  }

  .about-values-grid {
    flex: 1;
  }

  .about-value-card-text {
    font-size: 15px;
  }

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

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

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

@media (max-width: 1100px) {
  :root {
    --section-gap: 64px;
    --header-height: 64px;
  }

  .header-inner {
    grid-template-columns: auto 1fr auto;
    padding: 0 24px;
    gap: 16px;
  }

  .header-nav {
    display: none;
  }

  .header-search {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-nav {
    display: block;
  }

  .container {
    padding: 0 24px;
  }

  /* Hero */
  .hero {
    max-height: none;
    min-height: calc(100vh - 64px);
    height: auto;
    padding: 120px 0 80px;
  }

  .hero-arrow {
    display: none;
  }

  .hero-slide-content {
    padding: 0 24px;
  }

  /* Sections */
  .section-title {
    font-size: 28px;
  }

  .section-business .section-title {
    font-size: 28px;
  }

  .section-intro {
    padding: 64px 0;
  }

  .section-intro-title {
    font-size: 28px;
  }

  .section-intro-text {
    font-size: 16px;
  }

  .section-business {
    padding: 64px 0 48px;
  }

  .business-grid {
    grid-template-columns: repeat(2, minmax(0, 370px));
    justify-content: center;
    gap: 16px;
  }

  .business-item {
    width: 100%;
    max-width: 370px;
  }

  .business-item-title {
    font-size: 16px;
  }

  .business-item-overlay {
    padding: 24px 16px;
  }

  .about-values {
    margin-top: 48px;
    flex-direction: column;
    gap: 32px;
  }

  .about-values-header {
    flex: none;
    position: static;
    padding-right: 0;
  }

  .about-values-title {
    font-size: 24px;
    margin-bottom: 32px;
  }

  .about-values-grid {
    flex: 1;
  }

  .about-values-img-wrap {
    flex: none;
    position: static;
    width: 360px;
  }

  .about-value-card-text {
    font-size: 15px;
  }

  .explore-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .explore-card-body {
    padding: 24px;
  }

  .events-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .section-cta {
    padding: 40px 0;
  }

  .cta-banner {
    flex-direction: column;
    text-align: center;
    width: calc(100% - 48px);
    height: auto;
    min-height: 200px;
    padding: 40px 32px;
    margin: 0 24px 20px;
    gap: 24px;
  }

  .cta-action {
    margin-left: 0;
  }

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

  .footer {
    padding: 48px 0 0;
  }
}

@media (max-width: 480px) {
  .business-grid {
    grid-template-columns: minmax(0, 370px);
    justify-content: center;
  }

  .business-item {
    width: 100%;
    max-width: 370px;
  }

  .about-metrics-inline {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 28px;
    padding-top: 20px;
    gap: 10px;
  }

  .metric-card {
    padding: 16px 10px 12px;
  }

  .about-values {
    margin-top: 40px;
    flex-direction: column;
    gap: 24px;
  }

  .about-values-header {
    flex: none;
    position: static;
    padding-right: 0;
  }

  .about-values-title {
    font-size: 22px;
    margin-bottom: 24px;
  }

  .about-values-subtitle {
    font-size: 14px;
  }

  .about-values-img-wrap {
    flex: none;
    position: static;
    width: 100%;
    max-width: 360px;
  }

  .about-values-img {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
  }

  .about-value-card-text {
    font-size: 14px;
  }

  .cta-banner {
    width: calc(100% - 32px);
    height: auto;
    min-height: 180px;
    padding: 32px 20px;
    margin: 0 16px 20px;
  }

  .cta-title {
    font-size: 20px;
  }

  .cta-action .btn {
    font-size: 14px;
    padding: 12px 24px;
  }
}

/* ═══════════════════════════════════════════════════
   ARTICLE DETAIL (shared by news, tech-post, formula)
   ═══════════════════════════════════════════════════ */

.article-back-link {
  display: inline-block;
  font-size: 14px;
  color: var(--color-primary);
  margin-bottom: 24px;
  text-decoration: none;
  font-weight: 500;
}

.article-back-link:hover {
  opacity: 0.7;
}

.article-hero-content {
  max-width: 800px;
  margin-bottom: 48px;
}

.article-hero-content .page-hero-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 12px;
  font-family: var(--font-en-sans);
}

.article-hero-content .page-hero-title {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: var(--fw-light);
  line-height: 1.3;
  color: var(--color-primary);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.article-hero-content .article-meta {
  font-size: 14px;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 16px;
}

.article-detail-content {
  max-width: 800px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-text);
}

.article-detail-content h3 {
  font-size: 22px;
  font-weight: var(--fw-medium);
  color: var(--color-primary);
  margin-top: 40px;
  margin-bottom: 16px;
}

.article-detail-content p {
  margin-bottom: 20px;
}

.article-detail-content ul,
.article-detail-content ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.article-detail-content li {
  margin-bottom: 8px;
}

.article-detail-content strong {
  font-weight: var(--fw-semibold);
}

/* News Detail Page Width Override */
.section-article-detail .container {
    max-width: 1500px !important;
}
.article-detail-content {
    max-width: 100% !important;
}

/* ═══════════════════════════════════════════════════
   Breadcrumb Navigation
   ═══════════════════════════════════════════════════ */
.section-breadcrumb {
  padding: 32px 0;
  background: #fff;
  border-bottom: 1px solid #f0f0f0;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}

.breadcrumb a {
  color: #5A5A7A;
  text-decoration: none;
  transition: color 0.3s ease;
  position: relative;
}

.breadcrumb a:hover {
  color: #1D2B74;
}

.breadcrumb a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: #1D2B74;
  transition: width 0.3s ease;
}

.breadcrumb a:hover::after {
  width: 100%;
}

.breadcrumb-sep {
  color: #ccc;
  font-size: 12px;
}

.breadcrumb-current {
  color: #1D2B74;
  font-weight: 500;
}

/* ═══════════════════════════════════════════════════
   SEARCH RESULTS PAGE
   ═══════════════════════════════════════════════════ */

.page-hero-search .page-hero-desc {
  max-width: 600px;
}

.section-search-results {
  padding: 60px 0 100px;
  min-height: 400px;
}

.search-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.search-filter-btn {
  padding: 8px 24px;
  font-size: 14px;
  font-weight: var(--fw-medium);
  font-family: var(--font-zh);
  color: var(--color-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition);
}

.search-filter-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.search-filter-btn.active {
  color: #fff;
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.search-results-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.search-result-item {
  display: flex;
  gap: 24px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--card-radius);
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
}

.search-result-item:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
  border-color: transparent;
}

.search-result-img {
  width: 180px;
  height: 120px;
  flex-shrink: 0;
  border-radius: 6px;
  overflow: hidden;
  background: var(--color-surface);
  background-size: cover;
  background-position: center;
}

.search-result-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.search-result-type {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  padding: 3px 12px;
  background: var(--color-secondary);
  color: var(--color-primary);
  border-radius: 100px;
  margin-bottom: 10px;
  width: fit-content;
}

.search-result-title {
  font-size: 18px;
  font-weight: var(--fw-medium);
  color: var(--color-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.search-result-item:hover .search-result-title {
  color: var(--color-primary-hover);
}

.search-result-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.search-result-meta {
  font-size: 12px;
  color: var(--color-muted);
  font-family: var(--font-en-sans);
}

.search-no-results {
  text-align: center;
  padding: 80px 24px;
  color: var(--color-muted);
}

.search-no-results svg {
  margin-bottom: 24px;
  opacity: 0.4;
}

.search-no-results h3 {
  font-size: 20px;
  font-weight: var(--fw-medium);
  color: var(--color-text);
  margin-bottom: 8px;
}

.search-no-results p {
  font-size: 14px;
  margin-bottom: 24px;
}

@media (max-width: 768px) {
  .search-result-item {
    flex-direction: column;
    gap: 16px;
    padding: 20px;
  }

  .search-result-img {
    width: 100%;
    height: 160px;
  }

  .search-filters {
    gap: 8px;
    margin-bottom: 32px;
  }

  .search-filter-btn {
    padding: 6px 18px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .section-search-results {
    padding: 40px 0 64px;
  }

  .search-result-item {
    padding: 16px;
  }

  .search-result-title {
    font-size: 16px;
  }

  .search-result-desc {
    font-size: 13px;
  }
}


/* About Header Section */
.about-header-section {
  text-align: center;
  padding: 80px 0 40px;
  max-width: 800px;
  margin: 0 auto;
}
.about-header-title {
  font-size: 36px;
  font-weight: var(--fw-light);
  color: var(--color-primary);
  margin-bottom: 24px;
  letter-spacing: var(--ls-wide);
}
.about-header-desc {
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-muted);
  max-width: 700px;
  margin: 0 auto;
}
@media (max-width: 768px) {
  .about-header-section { padding: 50px 20px 30px; }
  .about-header-title { font-size: 28px; }
  .about-header-desc { font-size: 14px; }
}

/* Hide about label */
.about-label { display: none !important; }

/* About section: compact title + reduced spacing */
.about-title {
  font-size: 26px !important;
  margin-bottom: 8px !important;
}
.about-label {
  margin-bottom: 8px !important;
}

.section-business .business-item {
  width: 370px !important;
  max-width: 100%;
  height: auto !important;
  aspect-ratio: 4 / 3;
}

/* Search box move left */
.header-search {
  margin-right: 150px !important;
}

/* News Pagination */
.news-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 48px;
  padding-bottom: 48px;
}
.news-page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #fff;
  color: var(--color-primary);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.news-page-btn:hover:not(.disabled):not(.active) {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.news-page-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  font-weight: 600;
}
.news-page-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}