:root {
  --primary: #2A4F66;
  --primary-light: #3c6b86;
  --accent: #0096C7;
  --accent-dark: #0084af;
  --teal: #B2DFDB;
  --pale: #F0F9FF;
  --gray-bg: #f2f5f8;
  --gray-line: #e0e0e6;
  --dark: #222;
  --text: #444;
  --text-light: #6b7280;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--dark); font-size: 16px; line-height: 1.7; background: #fff; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ============ Header ============ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: #fff; border-bottom: 1px solid var(--gray-line);
}
.header-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 44px; height: 44px; object-fit: contain; }
.brand-name { font-size: 22px; font-weight: 700; color: #111; white-space: nowrap; }
.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav > li { position: relative; }
.main-nav > li > a {
  display: block; padding: 26px 16px; font-size: 16px; color: #222;
  font-weight: 500; border-bottom: 3px solid transparent; transition: color .2s, border-color .2s;
}
.main-nav > li > a:hover, .main-nav > li.active > a { color: var(--primary); border-bottom-color: var(--accent); }
.has-sub > a::after { content: "▾"; font-size: 11px; margin-left: 4px; color: #999; }

/* dropdown tree */
.dropdown {
  position: absolute; top: 100%; left: 0; min-width: 260px;
  background: #fff; border: 1px solid var(--gray-line); box-shadow: 0 8px 24px rgba(0,0,0,.12);
  border-radius: 8px; padding: 8px; display: none; z-index: 200;
}
.main-nav > li:hover .dropdown, .main-nav > li:focus-within .dropdown { display: block; }
.dropdown li { position: relative; }
.dropdown li a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; border-radius: 6px; font-size: 14.5px; color: #333;
}
.dropdown li a:hover { background: var(--pale); color: var(--primary); }
.dropdown li.has-sub > a::after { content: "▸"; color: #999; font-size: 11px; }
.dropdown-sub {
  position: absolute; left: calc(100% - 8px); top: 0; min-width: 190px;
  background: #fff; border: 1px solid var(--gray-line); box-shadow: 0 8px 24px rgba(0,0,0,.12);
  border-radius: 8px; padding: 8px; display: none; z-index: 210;
}
.dropdown li:hover .dropdown-sub, .dropdown li:focus-within .dropdown-sub { display: block; }
.dropdown-sub a { justify-content: flex-start; }
.dropdown-sub a::before { content: "·"; margin-right: 8px; color: var(--accent); }

.header-right { display: flex; align-items: center; gap: 14px; }
.lang-switch {
  display: flex; border: 1px solid var(--gray-line); border-radius: 20px; overflow: hidden;
}
.lang-switch button {
  border: none; background: #fff; padding: 5px 12px; font-size: 13px; cursor: pointer; color: #666;
}
.lang-switch button.active { background: var(--primary); color: #fff; }
.header-phone {
  color: var(--primary); font-size: 15px; font-weight: 600; white-space: nowrap;
  display: inline-flex; align-items: center; gap: 6px;
}

/* hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; background: none; border: none; }
.hamburger span { width: 24px; height: 2px; background: #444; transition: .25s; }

@media (max-width: 1024px) {
  .hamburger { display: flex; }
  .main-nav {
    position: fixed; top: 0; right: -300px; width: 280px; height: 100vh;
    background: #fff; flex-direction: column; align-items: flex-start; padding: 80px 20px 30px;
    gap: 0; box-shadow: -4px 0 20px rgba(0,0,0,.12); transition: right .3s; overflow-y: auto; z-index: 300;
  }
  .main-nav.open { right: 0; }
  .main-nav > li { width: 100%; }
  .main-nav > li > a { padding: 14px 10px; border-bottom: 1px solid var(--gray-line); width: 100%; }
  .dropdown, .dropdown-sub { position: static; display: none; box-shadow: none; border: none; padding-left: 16px; min-width: 0; }
  .main-nav > li.open .dropdown { display: block; }
  .dropdown li.open .dropdown-sub { display: block; }
  .header-phone { display: none; }
}

/* ============ Hero ============ */
.hero, .page-hero, .contact-hero { max-width: 1200px; margin: 0 auto; }
.hero { background: linear-gradient(120deg, var(--primary) 0%, var(--primary-light) 60%, var(--teal) 160%); }
.hero-inner {
  max-width: 1200px; margin: 0 auto; padding: 64px 24px;
  display: flex; align-items: center; gap: 56px;
}
.hero-text { flex: 1; }
.hero-text h1 { font-size: 38px; line-height: 1.3; color: #fff; margin-bottom: 16px; font-weight: 800; }
.hero-text .sub { font-size: 20px; font-weight: 500; color: #aee0f5; margin-bottom: 10px; }
.hero-text .desc { font-size: 16px; color: #cfe3ee; }
.hero-media { flex: 1.5; }
.hero-media img, .hero-media video { width: 100%; border-radius: 16px; object-fit: cover; }

@media (max-width: 900px) {
  .hero-inner { flex-direction: column; padding: 40px 24px; gap: 28px; }
  .hero-text h1 { font-size: 28px; }
}

/* ============ Sections ============ */
.section { padding: 56px 0; }
.section-title {
  text-align: center; font-size: 30px; font-weight: 700; color: #111; margin-bottom: 12px;
}
.section-title span { display: inline-block; border-bottom: 3px solid var(--accent); padding-bottom: 8px; }
.section-sub { text-align: center; color: var(--text-light); margin-bottom: 36px; }

/* why-choose grid (home, joindigitech style) */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; text-align: center; }
.why-card { padding: 24px 0; }
.why-icon {
  width: 96px; height: 96px; margin: 0 auto 20px; background: var(--gray-bg); border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
}
.why-icon svg { width: 44px; height: 44px; fill: var(--primary); }
.why-icon svg.stroke { fill: none; stroke: var(--primary); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.why-card h3 { font-size: 24px; color: var(--primary); margin-bottom: 8px; }
.why-card .divider { width: 50px; height: 2px; background: var(--accent); margin: 14px auto; }
.why-card p { color: var(--text-light); font-size: 18px; line-height: 2; }
@media (max-width: 900px) { .why-grid { grid-template-columns: 1fr; } }

/* feature cards (product pages) */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: #fff; border: 1px solid var(--gray-line); border-radius: 14px; padding: 16px 22px;
  text-align: center; box-shadow: 0 2px 10px rgba(42,79,102,.05);
}
.feature-card h3 { font-size: 19px; margin-bottom: 6px; color: var(--primary); }
.feature-card .divider { width: 44px; height: 2px; background: var(--accent); margin: 8px auto; }
.feature-card p { color: var(--text-light); font-size: 14.5px; line-height: 1.9; }
@media (max-width: 900px) { .features { grid-template-columns: 1fr; } }

/* split rows */
.split-row { display: flex; align-items: center; gap: 44px; margin-bottom: 40px; }
.split-row.reverse { flex-direction: row-reverse; }
.split-media { flex: 1; }
.split-media img { width: 100%; border-radius: 14px; object-fit: cover; }
.split-text { flex: 1; }
.split-text h3 { font-size: 26px; color: var(--primary); margin-bottom: 16px; border-left: 4px solid var(--accent); padding-left: 16px; }
.split-text p { color: var(--text-light); font-size: 15px; margin-bottom: 12px; }
.split-text ul { margin-top: 8px; }
.split-text ul li { position: relative; padding-left: 22px; color: var(--text-light); font-size: 15px; margin-bottom: 8px; }
.split-text ul li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

@media (max-width: 900px) {
  .split-row, .split-row.reverse { flex-direction: column; gap: 24px; }
}

/* stat band */
.stat-band { background: var(--primary); color: #fff; padding: 48px 0; }
.stat-band-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; flex-wrap: wrap; justify-content: space-around; text-align: center; gap: 28px; }
.stat-band .num { font-size: 42px; font-weight: 800; color: #7fd1e8; }
.stat-band .label { font-size: 15px; margin-top: 4px; color: #cfe3ee; }

/* CTA */
.cta-section { text-align: center; padding: 72px 0; background: #fff; }
.cta-section h2 { font-size: 36px; color: var(--accent); }
.cta-section .cta-sub { font-size: 30px; font-weight: 700; margin: 8px 0 28px; }
.btn {
  display: inline-block; background: var(--accent); color: #fff; padding: 12px 36px;
  border-radius: 4px; font-size: 16px; transition: background .2s;
}
.btn:hover { background: var(--accent-dark); }
.btn-outline { background: transparent; border: 1px solid var(--accent); color: var(--accent); }
.btn-outline:hover { background: var(--accent); color: #fff; }

/* gray section */
.bg-gray { background: var(--gray-bg); }
.bg-pale { background: var(--pale); }

/* ============ Page hero (inner pages) ============ */
.page-hero { background: linear-gradient(120deg, var(--primary) 0%, var(--primary-light) 60%, var(--teal) 160%); color: #fff; padding: 56px 0; }
.page-hero h1 { font-size: 34px; font-weight: 700; margin-bottom: 8px; }
.page-hero .crumb { font-size: 14px; color: #cfe3ee; }
.page-hero .crumb a:hover { color: #fff; }

/* ============ Products layout with sidebar tree ============ */
.products-wrap { display: flex; gap: 36px; padding: 44px 0; align-items: flex-start; }
.sidebar {
  width: 260px; flex-shrink: 0; background: #fff; border: 1px solid var(--gray-line);
  border-radius: 12px; overflow: hidden; position: sticky; top: 96px;
}
.sidebar-head { background: var(--primary); color: #fff; padding: 16px 20px; font-size: 18px; font-weight: 700; }
.sidebar-tree > li { border-bottom: 1px solid var(--gray-line); }
.sidebar-tree > li > a, .sidebar-tree .group > span {
  display: flex; justify-content: space-between; align-items: center; padding: 13px 20px; font-size: 15.5px; color: #333; cursor: pointer;
}
.sidebar-tree > li > a:hover, .sidebar-tree .group > span:hover { color: var(--primary); background: var(--pale); }
.sidebar-tree > li.active > a, .sidebar-tree .group.active > span { color: var(--accent); font-weight: 700; background: var(--pale); }
.sidebar-tree .group > span::after { content: "▾"; font-size: 11px; color: #999; transition: transform .2s; }
.sidebar-tree .group.open > span::after { transform: rotate(180deg); }
.sidebar-tree .children { display: none; background: #fafcfe; }
.sidebar-tree .group.open .children { display: block; }
.sidebar-tree .children a { display: block; padding: 10px 20px 10px 36px; font-size: 14.5px; color: #555; border-left: 2px solid transparent; }
.sidebar-tree .children a:hover { color: var(--accent); }
.sidebar-tree .children a.active { color: var(--accent); border-left-color: var(--accent); background: var(--pale); }

.product-content { flex: 1; min-width: 0; }
.product-content h2 { font-size: 28px; color: var(--primary); margin-bottom: 18px; }
.product-content h3 { font-size: 20px; color: var(--primary); margin: 30px 0 12px; }
.product-content p { color: var(--text-light); margin-bottom: 12px; font-size: 15px; }
.product-content .lead { font-size: 16px; }

/* product intro cards (overview page) */
.pcard {
  background: #fff; border: 1px solid var(--gray-line); border-radius: 14px; overflow: hidden; transition: transform .25s, box-shadow .25s;
}
.pcard:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(42,79,102,.14); }
.pcard img { width: 100%; height: 230px; object-fit: cover; }
.pcard-body { padding: 22px 24px; }
.pcard-body h3 { font-size: 20px; color: var(--primary); margin-bottom: 8px; }
.pcard-body p { color: var(--text-light); font-size: 14px; margin-bottom: 14px; min-height: 66px; }
.pcard-body .more { color: var(--accent); font-size: 14px; font-weight: 600; }
.pcard-body .more:hover { text-decoration: underline; }

@media (max-width: 900px) {
  .products-wrap { flex-direction: column; }
  .sidebar { width: 100%; position: static; }
}

/* ============ Results table ============ */
.result-table { width: 100%; border-collapse: collapse; margin: 20px 0; background: #fff; }
.result-table th, .result-table td {
  border: 1px solid #ddd; padding: 12px 18px; text-align: center; font-size: 15px;
}
.result-table thead th { background: var(--pale); color: var(--primary); font-weight: 700; }
.result-table thead th.highlight { background: var(--primary); color: #fff; }
.result-table tbody td.metric-name { text-align: left; font-weight: 600; color: #333; }
.result-table tbody td.highlight { background: var(--pale); }
.result-table .tag {
  display: inline-block; background: var(--primary); color: #fff; font-size: 13px; font-weight: 700;
  padding: 2px 10px; border-radius: 14px; margin-left: 6px;
}
.result-table .tag.down { background: var(--accent); }
.result-note { font-size: 13px; color: var(--text-light); text-align: right; margin-top: -12px; }

/* case cards */
.cases-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.case-card { background: #fff; border: 1px solid var(--gray-line); border-radius: 14px; overflow: hidden; transition: transform .25s, box-shadow .25s; }
.case-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(42,79,102,.14); }
.case-card img { width: 100%; height: 240px; object-fit: cover; }
.case-body { padding: 22px 24px; }
.case-body h3 { font-size: 20px; color: var(--primary); margin-bottom: 8px; }
.case-body .tag-row { margin-bottom: 10px; }
.case-body .tag-row span {
  display: inline-block; background: var(--pale); color: var(--primary); border: 1px solid #bfd9e8;
  font-size: 13px; padding: 2px 12px; border-radius: 14px; margin-right: 8px;
}
.case-body p { color: var(--text-light); font-size: 14px; }
.metric-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 16px; }
.metric { flex: 1; min-width: 120px; background: var(--gray-bg); border-radius: 10px; padding: 12px; text-align: center; }
.metric .n { font-size: 20px; font-weight: 800; color: var(--accent); }
.metric .t { font-size: 12.5px; color: var(--text-light); }
@media (max-width: 900px) { .cases-grid { grid-template-columns: 1fr; } }

/* ============ News ============ */
.news-list { max-width: 960px; margin: 0 auto; }
.news-item {
  display: flex; align-items: flex-start; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--gray-line);
  transition: background .2s; cursor: pointer;
}
.news-item:hover .news-title { color: var(--accent); }
.news-date { flex-shrink: 0; font-size: 15px; color: var(--text-light); white-space: nowrap; padding-right: 20px; border-right: 1px solid var(--gray-line); margin-right: 4px; }
.news-body { flex: 1; }
.news-title { font-size: 18px; color: #222; font-weight: 600; margin-bottom: 6px; transition: color .2s; }
.news-summary { font-size: 14.5px; color: var(--text-light); line-height: 1.8; }

/* news detail modal */
.modal-mask {
  position: fixed; inset: 0; background: rgba(0,0,0,.55); display: none; z-index: 400;
  align-items: flex-start; justify-content: center; padding: 8vh 20px 40px; overflow-y: auto;
}
.modal-mask.open { display: flex; }
.modal {
  background: #fff; border-radius: 14px; max-width: 820px; width: 100%; padding: 36px 40px;
  position: relative; animation: slideUp .3s ease;
}
.modal h2 { font-size: 24px; color: var(--primary); margin-bottom: 10px; }
.modal .mdate { font-size: 14px; color: var(--text-light); margin-bottom: 20px; }
.modal .mbody { font-size: 15px; color: var(--text); line-height: 2; }
.modal .close {
  position: absolute; top: 14px; right: 18px; border: none; background: none; font-size: 28px;
  cursor: pointer; color: #999; line-height: 1;
}
.modal .close:hover { color: #333; }
@keyframes slideUp { from { transform: translateY(24px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ============ About ============ */
.about-block { margin-bottom: 48px; }
.about-block h2 {
  font-size: 28px; color: var(--primary); text-align: center; margin-bottom: 24px;
}
.about-block h2 span { display: inline-block; border-bottom: 3px solid var(--accent); padding-bottom: 8px; }
.about-intro { font-size: 15.5px; color: var(--text-light); max-width: 920px; margin: 0 auto; line-height: 2.1; }
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.team-card { background: #fff; border: 1px solid var(--gray-line); border-radius: 14px; overflow: hidden; text-align: center; transition: transform .25s, box-shadow .25s; }
.team-card:hover { transform: translateY(-4px); box-shadow: 0 10px 30px rgba(42,79,102,.12); }
.team-photo { width: 100%; height: 300px; overflow: hidden; background: #fff; display: flex; align-items: center; justify-content: center; }
.team-photo img { width: 100%; height: 100%; object-fit: contain; }
.team-card h3 { font-size: 20px; color: #111; margin-top: 20px; }
.team-card .role { font-size: 14px; color: var(--accent); margin: 6px 0 12px; font-weight: 700; }
.team-card p { font-size: 13.5px; color: var(--text-light); padding: 0 22px 24px; line-height: 1.85; }
@media (max-width: 900px) { .team-grid { grid-template-columns: 1fr; } }

/* qualification gallery (carousel) */
.gallery-wrap { max-width: 900px; margin: 0 auto; position: relative; overflow: hidden; border-radius: 14px; }
.cert-featured { max-width: 900px; margin: 0 auto 30px; padding: 18px; background: #fff; border: 1px solid var(--gray-line); border-radius: 14px; }
.cert-featured img { width: 100%; height: auto; display: block; border-radius: 8px; }
.cert-subtitle { text-align: center; font-size: 28px; font-weight: 700; color: var(--primary); margin: 34px 0 24px; }
.cert-subtitle span { display: inline-block; border-bottom: 3px solid var(--accent); padding-bottom: 8px; }
.gallery-track { display: flex; transition: transform .5s ease; }
.gallery-slide { min-width: 100%; }
.gallery-slide img { width: 100%; display: block; }
.gallery-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 10;
  width: 44px; height: 44px; border-radius: 50%; border: none; background: rgba(42,79,102,.75);
  color: #fff; font-size: 20px; cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.gallery-arrow:hover { background: var(--primary); }
.gallery-arrow.prev { left: 12px; }
.gallery-arrow.next { right: 12px; }
.gallery-dots { display: flex; justify-content: center; gap: 8px; margin-top: 16px; }
.gallery-dots button { width: 10px; height: 10px; border-radius: 50%; border: none; background: #ccc; cursor: pointer; }
.gallery-dots button.active { background: var(--accent); }

/* values / culture */
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value-card { background: var(--pale); border-radius: 14px; padding: 30px 24px; text-align: center; }
.value-card .v { font-size: 30px; font-weight: 800; color: var(--accent); margin-bottom: 8px; }
.value-card h3 { font-size: 18px; color: var(--primary); margin-bottom: 8px; }
.value-card p { font-size: 13.5px; color: var(--text-light); }
@media (max-width: 900px) { .values-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .values-grid { grid-template-columns: 1fr; } }

.culture-block { max-width: 920px; margin: 0 auto; }
.culture-row {
  display: flex; gap: 24px; align-items: baseline; padding: 22px 0; border-bottom: 1px solid var(--gray-line);
}
.culture-row:first-of-type { border-top: 1px solid var(--gray-line); }
.culture-label { flex-shrink: 0; width: 130px; font-size: 20px; font-weight: 700; color: var(--primary); }
.culture-value { flex: 1; font-size: 15.5px; color: var(--text-light); line-height: 2; }
.culture-item { margin-bottom: 14px; }
.culture-item strong { color: var(--primary); font-size: 16px; }
@media (max-width: 700px) {
  .culture-row { flex-direction: column; gap: 6px; }
  .culture-label { width: auto; }
}

/* ============ Contact ============ */
.contact-wrap { display: flex; gap: 44px; align-items: flex-start; }
.contact-info { flex: 1; }
.contact-info h3 { font-size: 22px; color: var(--primary); margin-bottom: 20px; }
.contact-info .item { display: flex; gap: 16px; margin-bottom: 22px; }
.contact-info .item .ic {
  width: 46px; height: 46px; flex-shrink: 0; border-radius: 12px; background: var(--pale);
  display: flex; align-items: center; justify-content: center; font-size: 20px;
}
.contact-info .item .lab { font-size: 13px; color: var(--text-light); }
.contact-info .item .val { font-size: 16px; font-weight: 600; color: #222; }
.contact-form { flex: 1; background: #fff; border: 1px solid var(--gray-line); border-radius: 14px; padding: 32px; }
.contact-form label { display: block; font-size: 14px; color: #333; margin-bottom: 6px; font-weight: 600; }
.contact-form input, .contact-form textarea {
  width: 100%; box-sizing: border-box; border: 1px solid var(--gray-line); border-radius: 8px;
  padding: 10px 12px; font-size: 14px; margin-bottom: 16px; background: var(--pale); font-family: inherit;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--accent); background: #fff; }
@media (max-width: 900px) { .contact-wrap { flex-direction: column; } }

/* contact page — joindigitech style */
.contact-hero { background: linear-gradient(120deg, var(--primary) 0%, var(--primary-light) 60%, var(--teal) 160%); }
.contact-hero-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 56px 0 88px; }
.contact-hero-info { flex: 1 1 auto; min-width: 0; padding-left: 56px; }
.contact-hero-title { font-size: 40px; font-weight: 800; color: #fff; letter-spacing: 2px; margin: 0 0 26px; }
.contact-line { display: flex; align-items: center; gap: 12px; font-size: 18px; color: #fff; font-weight: 600; margin: 0 0 18px; flex-wrap: wrap; }
.contact-line .ci { width: 22px; height: 22px; flex-shrink: 0; }
.contact-line .ci path { fill: #fff; }
.contact-line a { color: #fff; text-decoration: underline; overflow-wrap: anywhere; }
.contact-qr { display: inline-flex; flex-direction: column; align-items: center; gap: 10px; background: #fff; border-radius: 14px; padding: 16px; margin: 22px 0 26px; box-shadow: 0 12px 32px rgba(0,0,0,.14); }
.contact-qr img { width: 132px; height: 132px; border-radius: 6px; display: block; }
.contact-qr span { font-size: 13px; color: var(--primary); font-weight: 700; }
.btn-dark { background: #111; border-color: #111; color: #fff; }
.btn-dark:hover { background: #333; border-color: #333; color: #fff; }
.contact-hero-img { flex: 1; max-width: 55%; margin: 0; }
.contact-hero-img img { width: 100%; height: auto; border-radius: 20px; object-fit: cover; box-shadow: 0 24px 48px rgba(0,0,0,.22); }
.contact-grid { display: flex; gap: 48px; align-items: flex-start; }
.contact-grid .contact-form { flex: 1; }
.contact-col-title { font-size: 24px; color: var(--primary); margin: 0 0 20px; }
.contact-why { flex: 1; }
.contact-why p { font-size: 14.5px; color: var(--text-light); line-height: 2; margin-bottom: 14px; }
.contact-why img { width: 100%; border-radius: 16px; margin-top: 14px; }
@media (max-width: 900px) {
  .contact-hero-inner { flex-direction: column; padding-bottom: 56px; }
  .contact-hero-img { max-width: 100%; }
  .contact-grid { flex-direction: column; }
}

/* ============ Footer ============ */
.site-footer { background: var(--primary); color: #cfe3ee; margin-top: 0; }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 48px 24px 20px; }
.footer-grid { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 16px; font-weight: 700; }
.footer-col ul li { margin-bottom: 10px; font-size: 14px; }
.footer-col ul li a:hover { color: #fff; }
.footer-about { max-width: 320px; }
.footer-about .brand { margin-bottom: 14px; }
.footer-about .brand img { width: 36px; height: 36px; }
.footer-about .brand-name { color: #fff; font-size: 18px; }
.footer-about p { font-size: 13.5px; line-height: 2; }
.footer-about p a { color: #cfe3ee; text-decoration: underline; }
.footer-about p a:hover { color: #fff; }
.footer-divider { border-top: 1px solid rgba(255,255,255,.18); margin: 30px 0 16px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; font-size: 13px; }
.footer-bottom a:hover { color: #fff; }
@media (max-width: 900px) { .footer-grid { flex-direction: column; gap: 28px; } }

/* general */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }

/* 打印时保留背景色（深蓝 footer、蓝色渐变条）与白色文字 */
@media print {
  * { -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; }
}