:root {
--primary: #2563eb;
--primary-dark: #1a56db;
--primary-light: #dbeafe;
--primary-bg: #e8f0fe;
--text-main: #1e293b;
--text-muted: #64748b;
--text-light: #94a3b8;
--border-color: #e2e8f0;
--bg-light: #f8fafc;
--bg-card: #ffffff;
--shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
--shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.08);
--radius: 8px;
--radius-lg: 12px;
--transition: all 0.3s ease;
--max-width: 1200px;
--header-height: 70px;
--topbar-height: 40px;
}
/* ===== About Main ===== */
.about-main {
padding: 36px 0 0px;
}
.about-main .container {
display: grid;
grid-template-columns: 2fr 1fr;
gap: 32px;
}

/* ============================================================
   1. 面包屑
   ============================================================ */
.breadcrumb-wrap {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-light);
    padding: 12px 0;
}
.breadcrumb {
    font-size: 14px;
    color: var(--text-light);
}
.breadcrumb a {
    color: var(--text-light);
    transition: color 0.2s;
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep {
    margin: 0 8px;
    font-size: 12px;
    color: var(--border-light);
}
.breadcrumb .current {
    color: var(--text-dark);
    font-weight: 500;
}

/* ===== About Content ===== */
.about-content {
background: #ffffff;
border-radius: var(--radius);
border: 1px solid var(--border-color);
padding: 32px 36px;
}
.about-content .page-title {
font-size: 28px;
font-weight: 700;
color: #0f172a;
margin-bottom: 6px;
display: flex;
align-items: center;
gap: 12px;
}
.about-content .page-title i {
color: var(--primary);
font-size: 30px;
}
.about-content .page-subtitle {
font-size: 15px;
color: var(--text-muted);
margin-bottom: 28px;
padding-bottom: 20px;
border-bottom: 1px solid var(--border-color);
}

.about-section {
margin-bottom: 32px;
}
.about-section:last-child {
margin-bottom: 0;
}
.about-section h3 {
font-size: 20px;
font-weight: 600;
color: #0f172a;
margin-bottom: 10px;
display: flex;
align-items: center;
gap: 10px;
}
.about-section h3 i {
color: var(--primary);
font-size: 20px;
}
.about-section p {
font-size: 15px;
color: var(--text-muted);
line-height: 1.8;
margin-bottom: 10px;
}
.about-section p:last-child {
margin-bottom: 0;
}
.about-section ul {
list-style: none;
padding: 0;
display: grid;
grid-template-columns: 1fr 1fr;
gap: 10px 20px;
margin-top: 8px;
}
.about-section ul li {
font-size: 14px;
color: var(--text-muted);
display: flex;
align-items: center;
gap: 8px;
padding: 4px 0;
}
.about-section ul li i {
color: var(--primary);
font-size: 14px;
width: 18px;
text-align: center;
}

/* ===== Values ===== */
.values-grid {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 16px;
margin-top: 12px;
}
.value-item {
background: var(--bg-light);
border-radius: var(--radius);
padding: 20px 16px;
text-align: center;
border: 1px solid var(--border-color);
transition: var(--transition);
}
.value-item:hover {
border-color: var(--primary);
box-shadow: var(--shadow-hover);
}
.value-item .value-icon {
font-size: 32px;
color: var(--primary);
margin-bottom: 8px;
}
.value-item h4 {
font-size: 15px;
font-weight: 600;
color: #0f172a;
margin-bottom: 4px;
}
.value-item p {
font-size: 13px;
color: var(--text-muted);
line-height: 1.5;
margin: 0;
}

/* ===== Team ===== */
.team-grid {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 20px;
margin-top: 12px;
}
.team-member {
background: var(--bg-light);
border-radius: var(--radius);
padding: 20px 16px;
text-align: center;
border: 1px solid var(--border-color);
transition: var(--transition);
}
.team-member:hover {
border-color: var(--primary);
box-shadow: var(--shadow-hover);
}
.team-member .avatar {
width: 72px;
height: 72px;
border-radius: 50%;
background: var(--primary-light);
display: flex;
align-items: center;
justify-content: center;
margin: 0 auto 10px;
font-size: 32px;
color: var(--primary);
font-weight: 600;
}
.team-member h4 {
font-size: 16px;
font-weight: 600;
color: #0f172a;
}
.team-member .role {
font-size: 13px;
color: var(--primary);
font-weight: 500;
}
.team-member .bio {
font-size: 13px;
color: var(--text-muted);
margin-top: 4px;
line-height: 1.5;
}

/* ===== Sidebar ===== */
.about-sidebar {
display: flex;
flex-direction: column;
gap: 20px;
}
.side-card {
background: #ffffff;
border-radius: var(--radius);
border: 1px solid var(--border-color);
padding: 22px 24px;
}
.side-card .card-title {
font-size: 16px;
font-weight: 600;
color: #0f172a;
margin-bottom: 14px;
display: flex;
align-items: center;
gap: 8px;
}
.side-card .card-title i {
color: var(--primary);
}


.benefit-list {
	list-style: none;
	display: flex;
	flex-direction: column;
	gap: 12px;
}
.benefit-list li {
	display: flex;
	align-items: flex-start;
	gap: 10px;
	font-size: 14px;
	color: var(--text-muted);
	line-height: 1.5;
}
.benefit-list li i {
	color: var(--primary);
	font-size: 16px;
	margin-top: 2px;
	flex-shrink: 0;
}
.contact-info {
display: flex;
flex-direction: column;
gap: 12px;
}
.contact-item {
display: flex;
align-items: flex-start;
gap: 12px;
font-size: 14px;
color: var(--text-muted);
}
.contact-item i {
color: var(--primary);
font-size: 16px;
width: 20px;
text-align: center;
margin-top: 2px;
}
.contact-item a {
color: var(--text-muted);
transition: var(--transition);
}
.contact-item a:hover {
color: var(--primary);
}

.social-links-side {
display: flex;
gap: 12px;
margin-top: 4px;
flex-wrap: wrap;
}
.social-links-side a {
display: flex;
align-items: center;
gap: 6px;
padding: 6px 16px 6px 12px;
border-radius: 20px;
background: var(--bg-light);
color: var(--text-muted);
font-size: 13px;
border: 1px solid var(--border-color);
transition: var(--transition);
}
.social-links-side a i {
font-size: 16px;
}
.social-links-side a:hover {
background: var(--primary-light);
border-color: var(--primary);
color: var(--primary);
}

.stats-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 12px;
}
.stat-item {
text-align: center;
padding: 12px 8px;
background: var(--bg-light);
border-radius: var(--radius);
}
.stat-item .stat-number {
font-size: 26px;
font-weight: 700;
color: var(--primary);
}
.stat-item .stat-label {
font-size: 13px;
color: var(--text-muted);
}
/* ===== Responsive ===== */
@media (max-width: 1024px) {
.about-main .container {
	grid-template-columns: 1fr;
}
.about-sidebar {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 20px;
}
}
@media (max-width: 768px) {
:root {
	--topbar-height: auto;
}
.topbar {
	height: auto;
	padding: 8px 0;
}
.topbar .container {
	flex-wrap: wrap;
	gap: 6px;
}
.topbar-left {
	flex-wrap: wrap;
	gap: 10px;
}
.topbar-right {
	flex-wrap: wrap;
	gap: 8px;
}
.main-header .container {
	flex-wrap: nowrap;
}
.main-nav {
	position: fixed;
	top: var(--header-height);
	left: 0;
	width: 100%;
	background: #ffffff;
	flex-direction: column;
	align-items: stretch;
	padding: 16px 20px;
	gap: 2px;
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
	transform: translateY(-120%);
	transition: transform 0.3s ease;
	z-index: 98;
	border-top: 1px solid var(--border-color);
	max-height: 70vh;
	overflow-y: auto;
}
.main-nav.open {
	transform: translateY(0);
}
.main-nav a {
	padding: 10px 14px;
	border-radius: 6px;
	font-size: 15px;
}
.header-right .hamburger {
	display: block;
}
.search-modal-box {
	padding: 28px 20px;
}
.search-input-wrap input {
	font-size: 16px;
}
.search-input-wrap button {
	padding: 6px 16px;
	font-size: 13px;
}
.about-content {
	padding: 20px;
}
.about-content .page-title {
	font-size: 22px;
}
.values-grid {
	grid-template-columns: 1fr 1fr;
}
.team-grid {
	grid-template-columns: 1fr 1fr;
}
.about-sidebar {
	grid-template-columns: 1fr;
}
.footer-top {
	flex-direction: column;
}
.footer-bottom {
	flex-direction: column;
	align-items: flex-start;
}
.about-section ul {
	grid-template-columns: 1fr;
}
}
@media (max-width: 480px) {
.container {
	padding: 0 12px;
}
.logo-area .logo-text {
	font-size: 18px;
}
.logo-area .logo-tag {
	font-size: 9px;
	padding: 1px 8px;
}
.logo-area .logo-icon {
	font-size: 22px;
}
.topbar-left a {
	font-size: 12px;
}
.topbar-right a {
	font-size: 12px;
}
.values-grid {
	grid-template-columns: 1fr;
}
.team-grid {
	grid-template-columns: 1fr;
}
.stats-grid {
	grid-template-columns: 1fr 1fr;
}
.side-card {
	padding: 16px;
}
.about-content .page-title {
	font-size: 20px;
}
}