/* ========== 全局重置与基础样式 ========== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #7f1d1d;
    --primary-light: #b91c1c;
    --primary-lighter: #dc2626;
    --primary-bg: #fef2f2;
    --accent: #b91c1c;
    --dark: #1c1917;
    --gray-900: #1e293b;
    --gray-700: #334155;
    --gray-500: #64748b;
    --gray-300: #cbd5e1;
    --gray-100: #f1f5f9;
    --white: #ffffff;
    --font-cn: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-en: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: 0.3s ease;
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: var(--font-cn);
    color: var(--gray-700);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

html[data-lang="en"] body { font-family: var(--font-en); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

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

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

/* ========== 语言切换 ========== */
[data-lang="cn"] .en-text { display: none !important; }
[data-lang="cn"] .cn-text { display: unset; }
[data-lang="en"] .cn-text { display: none !important; }
[data-lang="en"] .en-text { display: unset; }
[data-lang="cn"] .en-svg { display: none !important; }
[data-lang="en"] .cn-svg { display: none !important; }
[data-lang="cn"] .cn-svg { display: block !important; }
[data-lang="en"] .en-svg { display: block !important; }

.cn-text, .en-text { display: unset; }

/* ========== 导航栏 ========== */
#main-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(203,213,225,0.5);
    transition: box-shadow var(--transition);
}
#main-header.scrolled { box-shadow: var(--shadow-md); }

.header-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
    height: 72px;
}

.logo-area { cursor: pointer; display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-img { height: 44px; width: auto; object-fit: contain; }
.logo-sub-wrap { display: flex; flex-direction: column; gap: 2px; }
.logo-sub { font-size: 16px; color: var(--gray-700); font-weight: 700; letter-spacing: 1px; }

#main-nav { display: flex; gap: 8px; }
.nav-link {
    padding: 8px 16px; font-size: 15px; font-weight: 500;
    color: var(--gray-700); border-radius: 6px;
    transition: all var(--transition); position: relative;
}
.nav-link:hover { color: var(--primary-light); background: var(--primary-bg); }
.nav-link.active { color: var(--primary-light); font-weight: 600; }
.nav-link.active::after {
    content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
    width: 20px; height: 2px; background: var(--primary-light); border-radius: 1px;
}

.lang-switch {
    width: 42px; height: 42px; border-radius: 50%;
    border: 2px solid var(--primary-light); display: flex; align-items: center;
    justify-content: center; cursor: pointer; font-size: 13px; font-weight: 700;
    color: var(--primary-light); transition: all var(--transition); user-select: none;
}
.lang-switch:hover { background: var(--primary-light); color: var(--white); }

.mobile-menu-btn { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.mobile-menu-btn span { width: 24px; height: 2px; background: var(--gray-700); border-radius: 1px; transition: var(--transition); }

/* ========== 首屏Banner ========== */
.hero-banner {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #1c1917 0%, #2d1117 50%, #4a1a1a 100%);
    position: relative; overflow: hidden; padding-top: 72px;
}
.hero-overlay {
    position: absolute; inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content {
    position: relative; z-index: 2; text-align: center; color: var(--white);
    padding: 40px 24px; max-width: 800px;
}
.hero-logo { margin-bottom: 8px; }
.hero-logo-img {
    width: 120px; height: auto; margin-bottom: 20px;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
}
.hero-title {
    font-size: clamp(42px, 9vw, 80px); font-weight: 900;
    letter-spacing: 8px; margin-bottom: 20px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.hero-company { font-size: clamp(14px, 2.5vw, 20px); opacity: 0.9; margin-bottom: 28px; font-weight: 300; letter-spacing: 2px; }
.hero-slogan {
    font-size: clamp(16px, 3vw, 24px); font-weight: 400; opacity: 0.85;
    line-height: 1.6; margin-bottom: 40px; letter-spacing: 1px;
}
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.hero-scroll-hint {
    position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
    z-index: 2; animation: bounce 2s infinite;
}
.scroll-arrow {
    width: 24px; height: 24px; border-right: 2px solid rgba(255,255,255,0.5);
    border-bottom: 2px solid rgba(255,255,255,0.5); transform: rotate(45deg);
}
@keyframes bounce { 0%,20%,50%,80%,100% { transform: translateX(-50%) translateY(0); } 40% { transform: translateX(-50%) translateY(-10px); } 60% { transform: translateX(-50%) translateY(-5px); } }

/* ========== 按钮 ========== */
.btn {
    display: inline-block; padding: 14px 36px; border-radius: 8px;
    font-size: 15px; font-weight: 600; cursor: pointer;
    transition: all var(--transition); border: none; text-align: center;
    letter-spacing: 0.5px;
}
.btn-primary { background: var(--primary-light); color: var(--white); }
.btn-primary:hover { background: var(--primary); transform: translateY(-2px); box-shadow: 0 4px 16px rgba(185,28,28,0.35); }
.btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.6); border-radius: 8px; }
.btn-outline:hover { background: rgba(255,255,255,0.15); border-color: var(--white); transform: translateY(-2px); }

/* ========== 通用Section ========== */
.section-block { padding: 80px 0; }
.section-block:nth-child(even) { background: #f8fafc; }

.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 {
    font-size: 32px; font-weight: 700; color: var(--gray-900);
    margin-bottom: 16px;
}
.section-divider {
    width: 60px; height: 3px; background: linear-gradient(90deg, var(--primary-light), var(--primary-lighter));
    margin: 0 auto; border-radius: 2px;
}
.section-divider.left { margin: 0 0 20px 0; }
.section-divider.white { background: var(--white); }

/* ========== 微笑曲线 ========== */
.smile-curve-content { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.smile-curve-img { width: 100%; max-width: 600px; margin: 0 auto; display: block; border-radius: var(--radius-lg); }
.smile-img { width: 100%; max-width: 700px; height: auto; display: none; margin: 0 auto; }
.smile-img.cn-svg { display: block; }
.smile-curve-text p { margin-bottom: 14px; color: var(--gray-700); font-size: 15px; line-height: 1.8; }
.smile-curve-text .highlight { color: var(--primary-light); font-weight: 600; border-left: none; margin-top: 32px; padding: 0; background: none; display: block; }

/* ========== 集团介绍 ========== */
.intro-content { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.intro-text h2 { font-size: 28px; font-weight: 700; color: var(--gray-900); }
.intro-text p { margin-bottom: 16px; font-size: 15px; line-height: 1.8; }
.intro-text .btn { margin-top: 40px; display: block; width: fit-content; }

.intro-visual { position: relative; }
.hq-photo {
    width: 100%; border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md); object-fit: cover;
    transition: transform var(--transition), box-shadow var(--transition);
}
.hq-photo:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.intro-image-placeholder {
    background: #f8fafc; border-radius: var(--radius-lg); padding: 40px;
    text-align: center; border: 1px dashed var(--gray-300);
    transition: all var(--transition);
}
.intro-image-placeholder:hover { border-color: var(--primary-light); box-shadow: var(--shadow-md); }
.intro-image-placeholder.large { min-height: 300px; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.placeholder-icon svg { width: 120px; height: 120px; }
.intro-image-placeholder p { margin-top: 16px; color: var(--gray-500); font-size: 14px; }

/* ========== 数据可视化 ========== */
.data-section { background: #1c1917; color: var(--white); position: relative; overflow: hidden; }
.data-section::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 0%, rgba(185,28,28,0.15) 0%, transparent 60%); pointer-events: none; }
.data-section .section-header h2 { color: #111827; font-size: 38px; font-weight: 800; text-shadow: 0 2px 8px rgba(0,0,0,0.3); }
.data-section .section-divider { background: rgba(255,255,255,0.6); }

/* ========== 自定义背景时隐藏伪元素蒙层 ========== */
[data-bg-custom]::before,
[data-bg-custom]::after { display: none !important; }

.data-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 24px;
}
.data-card {
    background: rgba(255,255,255,0.95); backdrop-filter: blur(10px);
    border-radius: var(--radius-lg); padding: 28px 20px; text-align: center;
    border: 1px solid rgba(255,255,255,0.3); transition: all var(--transition);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.data-card:hover { transform: translateY(-6px); background: #ffffff; border-color: var(--primary-light); box-shadow: 0 8px 28px rgba(0,0,0,0.2); }
.data-icon svg { width: 40px; height: 40px; margin-bottom: 12px; }
.data-icon svg * { stroke: var(--primary-light); fill: none; }
.data-number { font-size: 36px; font-weight: 800; line-height: 1.2; color: var(--primary); }
.data-unit { font-size: 14px; color: var(--primary-light); margin-top: 2px; }
.data-label { font-size: 14px; color: #475569; margin-top: 6px; font-weight: 500; }

/* ========== 六大产业入口 ========== */
.business-entry-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.business-entry-card {
    background: var(--white); border-radius: var(--radius-lg); padding: 36px 28px;
    border: 1px solid var(--gray-100); box-shadow: var(--shadow-sm);
    transition: all var(--transition); text-align: center; cursor: pointer;
    position: relative; overflow: hidden;
}
.business-entry-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--primary-light), var(--primary-lighter));
    opacity: 0; transition: opacity var(--transition);
}
.business-entry-card:hover {
    transform: translateY(-6px); box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}
.business-entry-card:hover::before { opacity: 1; }
.business-entry-card .card-icon {
    width: 64px; height: 64px; margin: 0 auto 20px;
    color: var(--primary-light);
}
.business-entry-card .card-icon svg { width: 100%; height: 100%; }
.business-entry-card h3 { font-size: 18px; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; }
.business-entry-card p { font-size: 14px; color: var(--gray-500); line-height: 1.6; }

/* ========== 企业文化预览 ========== */
.culture-preview-section { background: #f8fafc; }
.culture-preview-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.culture-review-card {
    background: var(--white); border-radius: var(--radius-lg); padding: 36px;
    box-shadow: var(--shadow-sm);
}
.culture-review-card h3 { font-size: 20px; font-weight: 700; color: var(--gray-900); margin-bottom: 16px; }
.culture-quotes p { font-size: 16px; color: var(--gray-700); font-weight: 500; line-height: 1.8; font-style: italic; }
.partner-logos-preview {
    display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 16px;
}
.partner-logos-preview span {
    background: #f8fafc; padding: 6px 14px; border-radius: 20px;
    font-size: 13px; color: var(--gray-700); font-weight: 500;
}
.link-arrow { color: var(--primary-light); font-weight: 600; font-size: 14px; transition: color var(--transition); }
.link-arrow:hover { color: var(--primary); }

/* ========== Section Hero ========== */
.section-hero {
    padding: 130px 0 48px; text-align: center; color: var(--white);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    position: relative; overflow: hidden;
}
.section-hero::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, var(--primary-lighter), var(--accent), var(--primary-lighter));
}
.section-hero h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; letter-spacing: 2px; }

/* ========== 子导航 ========== */
.sub-nav-wrapper { background: var(--white); border-bottom: 1px solid var(--gray-100); position: sticky; top: 72px; z-index: 100; }
.sub-nav-wrapper .container { padding: 0 12px; }
.sub-nav {
    display: flex; gap: 2px; padding: 10px 0; overflow-x: auto;
    -ms-overflow-style: none; scrollbar-width: none;
}
.sub-nav::-webkit-scrollbar { display: none; }
.sub-nav-link {
    padding: 7px 10px; border-radius: 6px; font-size: 12px; font-weight: 500;
    white-space: nowrap; color: var(--gray-500); transition: all var(--transition);
}
.sub-nav-link:hover { color: var(--primary-light); background: var(--primary-bg); }
.sub-nav-link.active { color: var(--primary-light); background: var(--primary-bg); font-weight: 600; }

/* ========== Tab Content ========== */
.tab-content { display: none; padding: 48px 0; animation: fadeIn 0.3s ease; }
.tab-content.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ========== 集团简介 ========== */
.profile-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: start; }
.profile-text h3 { font-size: 24px; font-weight: 700; color: var(--gray-900); margin-bottom: 20px; }
.profile-text p { margin-bottom: 14px; font-size: 15px; line-height: 1.8; }
.profile-text .profile-mission {
    margin-bottom: 10px;
    font-size: 15px; line-height: 1.8;
    color: var(--gray-900); font-weight: 500;
}
.profile-text .profile-mission.first-mission { margin-top: 28px; }
.profile-text .profile-mission strong { color: var(--primary-light); }

/* ========== 企业文化 ========== */
.culture-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.culture-block {
    background: var(--white); border-radius: var(--radius-lg); padding: 28px;
    border: 1px solid var(--gray-100); box-shadow: var(--shadow-sm);
    transition: all var(--transition); position: relative; overflow: hidden;
}
.culture-block::before {
    content: ''; position: absolute; top: 0; left: 0; width: 3px; height: 100%;
    background: var(--primary-light); opacity: 0; transition: opacity var(--transition);
}
.culture-block:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.culture-block:hover::before { opacity: 1; }
.culture-block.full-width { grid-column: 1 / -1; }
.culture-block h4 { font-size: 17px; font-weight: 700; margin-bottom: 12px; color: var(--gray-900); }
.culture-block p { font-size: 14px; line-height: 1.8; }

.mindset-list { display: flex; flex-direction: column; gap: 10px; }
.mindset-item { padding: 10px 16px; border-radius: 6px; font-size: 14px; color: var(--gray-700); }

.concepts-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.concept-card {
    background: #f8fafc; border-radius: var(--radius); padding: 20px; text-align: center;
}
.concept-title { font-weight: 700; color: var(--gray-900); margin-bottom: 8px; font-size: 15px; }
.concept-card p { font-size: 13px; line-height: 1.6; }

/* ========== 创始人 ========== */
.founder-card {
    display: grid; grid-template-columns: 280px 1fr; gap: 40px;
    background: var(--white); border-radius: var(--radius-lg); padding: 40px;
    box-shadow: var(--shadow-sm); border: 1px solid var(--gray-100);
}
.founder-photo { text-align: center; }
.founder-photo-img {
    width: 100%; height: auto; border-radius: 12px;
    object-fit: cover; object-position: center top;
    box-shadow: 0 4px 20px rgba(185,28,28,0.15);
}
.founder-info h3 { font-size: 22px; font-weight: 700; color: var(--gray-900); margin-bottom: 16px; }
.founder-info p { margin-bottom: 10px; font-size: 14px; line-height: 1.7; }
.founder-detail { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--gray-100); }
.founder-detail h4 { font-size: 15px; font-weight: 700; color: var(--gray-700); margin-bottom: 8px; }
.founder-detail p { font-size: 14px; line-height: 1.7; }

/* ========== 发展历程 ========== */
.timeline { position: relative; max-width: 800px; margin: 0 auto; padding-left: 40px; }
.timeline::before {
    content: ''; position: absolute; left: 15px; top: 0; bottom: 0;
    width: 2px; background: linear-gradient(to bottom, var(--primary-light), var(--gray-300));
}
.timeline-item { position: relative; margin-bottom: 36px; padding-left: 30px; }
.timeline-item::before {
    content: ''; position: absolute; left: -27px; top: 4px;
    width: 12px; height: 12px; border-radius: 50%;
    background: var(--primary-light); border: 3px solid var(--white);
    box-shadow: 0 0 0 3px var(--primary-light);
}
.timeline-year {
    font-size: 18px; font-weight: 800; color: var(--primary-light);
    margin-bottom: 6px; letter-spacing: 1px;
}
.timeline-content p { font-size: 14px; line-height: 1.8; }

/* ========== 全球布局 ========== */
.layout-section { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.layout-section-stacked { display: flex; flex-direction: column; gap: 48px; }
.layout-block h3, .layout-block-stacked h3 {
    font-size: 22px; font-weight: 700; color: var(--gray-900);
    margin-bottom: 24px; text-align: center;
}
.layout-map-placeholder {
    background: #f8fafc; border-radius: var(--radius-lg); padding: 20px;
    text-align: center; margin-bottom: 20px;
}
.layout-map-img {
    border-radius: var(--radius-lg); overflow: hidden;
    border: 1px solid var(--gray-200); margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}
.layout-map-img img {
    width: 100%; height: auto; display: block;
}
.china-map-svg, .global-map-svg { width: 100%; max-width: 500px; }
.layout-desc p { font-size: 14px; line-height: 1.8; margin-bottom: 12px; }

/* ========== 业务板块详情 ========== */
.biz-detail { padding: 24px 0; }
.biz-detail h3 { font-size: 24px; font-weight: 700; color: var(--gray-900); margin-bottom: 24px; }
.biz-content-grid { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 36px; }
.biz-text p { font-size: 15px; line-height: 1.8; margin-bottom: 16px; }
.biz-specs { display: flex; flex-direction: column; gap: 14px; margin: 20px 0; }
.spec-item {
    padding: 14px 18px; background: var(--primary-bg); border-radius: var(--radius);
    font-size: 14px; line-height: 1.7; border-left: 3px solid var(--primary-light);
}
.spec-item strong { color: var(--primary); }

.biz-image-placeholder {
    background: #f8fafc; border-radius: var(--radius-lg); padding: 40px;
    text-align: center; border: 1px dashed var(--gray-300); min-height: 200px;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.biz-image-placeholder p { margin-top: 12px; font-size: 13px; color: var(--gray-500); }

/* ========== 子区域切换 ========== */
.sub-section-nav { display: flex; gap: 8px; margin-bottom: 30px; }
.sub-section-link {
    padding: 10px 24px; border-radius: 6px; font-size: 15px; font-weight: 500;
    color: var(--gray-500); background: var(--gray-100); transition: all var(--transition);
}
.sub-section-link.active { color: var(--white); background: var(--primary-light); }
.sub-section-link:hover:not(.active) { color: var(--primary-light); }

.biz-sub-section { display: none; animation: fadeIn 0.3s ease; }
.biz-sub-section.active { display: block; }

.holding-card {
    background: var(--white); border-radius: var(--radius-lg); padding: 36px;
    box-shadow: var(--shadow-sm); border: 1px solid var(--gray-100);
}
.holding-card h3 { font-size: 22px; font-weight: 700; color: var(--gray-900); margin-bottom: 16px; }
.holding-card > p { margin-bottom: 20px; font-size: 15px; line-height: 1.8; }

/* ========== 墨尚实拍图片展示区 ========== */
.moshang-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin: 32px 0;
}
.moshang-gallery-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--white);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}
.moshang-gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.moshang-gallery-item img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
}
.moshang-gallery-caption {
    text-align: center;
    padding: 14px 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    background: #f8fafc;
    flex-shrink: 0;
}

.advantage-card {
    background: var(--white); border-radius: var(--radius-lg); padding: 36px;
    box-shadow: var(--shadow-sm); border: 1px solid var(--gray-100); text-align: center;
}
.advantage-card h3 { font-size: 22px; font-weight: 700; color: var(--gray-900); margin-bottom: 24px; }
.advantage-highlight { margin: 20px 0; }
.advantage-number { font-size: 56px; font-weight: 900; color: var(--primary-light); }
.advantage-highlight p { font-size: 16px; color: var(--gray-500); margin-top: 8px; }

.client-chart { display: flex; flex-direction: column; gap: 14px; margin-top: 20px; }
.chart-bar { background: var(--gray-100); border-radius: 6px; overflow: hidden; }
.bar-fill {
    background: linear-gradient(90deg, var(--primary-light), var(--primary-lighter));
    padding: 12px 16px; display: flex; align-items: center; min-width: fit-content;
}
.bar-label { font-size: 14px; font-weight: 600; color: var(--white); white-space: nowrap; }

/* ========== 荣誉资质 ========== */
.honors-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 14px;
}
.honor-item {
    padding: 14px 18px; background: #f8fafc; border-radius: var(--radius);
    font-size: 14px; line-height: 1.5; border-left: 3px solid var(--primary-light);
    transition: all var(--transition);
}
.honor-item:hover { background: #fecaca; transform: translateX(4px); box-shadow: var(--shadow-sm); }
.honor-item.highlight-honor {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white); border-left-color: #ffd700; font-weight: 600;
}

/* ========== 荣誉资质 — 证书图片展示区 ========== */
.cert-section { padding: 40px 0 20px; }
.cert-section-title {
    font-size: 20px; font-weight: 700; color: var(--primary);
    margin-bottom: 28px; padding-bottom: 12px;
    border-bottom: 2px solid #f1f5f9;
    display: flex; align-items: center; gap: 10px;
}
.cert-section-title::before {
    content: ''; width: 4px; height: 22px;
    background: var(--primary-light); border-radius: 2px;
}
.cert-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.cert-card {
    display: flex; flex-direction: column; align-items: center;
    transition: transform var(--transition);
}
.cert-card:hover { transform: translateY(-4px); }
.cert-img-wrap {
    width: 100%; aspect-ratio: 3/2;
    border: 2px solid rgba(185,28,28,0.12); border-radius: 12px;
    overflow: hidden; background: #fafafa;
    box-shadow: 0 2px 16px rgba(0,0,0,0.05);
    display: flex; align-items: center; justify-content: center;
    padding: 12px;
}
.cert-img-wrap img {
    width: 100%; height: 100%; object-fit: contain;
    display: block;
}
.cert-name {
    margin-top: 14px; font-size: 14px; line-height: 1.5;
    color: #334155; text-align: center;
    max-width: 220px; font-weight: 500;
}

/* ========== 荣誉资质 — 下方文字卡片区 ========== */
.honor-text-section { padding: 20px 0 10px; }
.honor-text-section-title {
    font-size: 20px; font-weight: 700; color: var(--primary);
    margin-bottom: 28px; padding-bottom: 12px;
    border-bottom: 2px solid #f1f5f9;
    display: flex; align-items: center; gap: 10px;
}
.honor-text-section-title::before {
    content: ''; width: 4px; height: 22px;
    background: var(--primary-light); border-radius: 2px;
}
.honor-text-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.honor-text-card {
    padding: 14px 18px; background: #fff;
    border: 1.5px solid #dc2626; border-radius: var(--radius);
    font-size: 14px; line-height: 1.5; color: #334155;
    text-align: center; transition: all var(--transition);
    word-break: break-word;
}
.honor-text-card:hover {
    background: #fef2f2; border-color: #b91c1c;
    transform: translateY(-2px); box-shadow: var(--shadow-sm);
}

/* ========== 荣誉资质 — 响应式 ========== */
@media (max-width: 1024px) {
    .cert-grid { grid-template-columns: repeat(3, 1fr); }
    .honor-text-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .cert-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .honor-text-grid { grid-template-columns: repeat(2, 1fr); }
    .cert-section-title, .honor-text-section-title { font-size: 17px; }
    .cert-name { font-size: 12px; }
    .honor-text-card { font-size: 12px; padding: 12px 14px; }
}
@media (max-width: 480px) {
    .cert-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .honor-text-grid { grid-template-columns: 1fr 1fr; }
    .cert-img-wrap { border-radius: 8px; }
}

/* ========== 社会职务 ========== */
.position-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.position-item {
    padding: 18px 22px; background: #f8fafc; border-radius: var(--radius);
    font-size: 15px; border-left: 3px solid var(--primary-light); transition: all var(--transition);
}
.position-item:hover { background: #fecaca; }

/* ========== 合作伙伴 ========== */
.partners-section { display: flex; flex-direction: column; gap: 40px; }
.partner-category h4 {
    font-size: 18px; font-weight: 700; color: var(--gray-900);
    margin-bottom: 20px; padding-bottom: 10px;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}
.partner-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}
.partner-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    padding: 20px 16px 16px;
    text-align: center;
    transition: all var(--transition);
    display: flex; flex-direction: column; align-items: center;
}
.partner-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}
.partner-logo-wrap {
    width: 100%;
    height: 80px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 12px;
    overflow: hidden;
}
.partner-logo-wrap img {
    max-width: 100%;
    max-height: 80px;
    object-fit: contain;
}
.partner-logo-fallback {
    display: none;
    width: 100%; height: 80px;
    align-items: center; justify-content: center;
    font-size: 15px; font-weight: 600; color: var(--gray-500);
    background: #f8fafc; border-radius: 8px;
    word-break: break-all; line-height: 1.4; padding: 4px;
}
.partner-name {
    font-size: 14px; font-weight: 500; color: var(--gray-700);
    line-height: 1.4; word-break: break-all;
}

/* 合作伙伴 — 响应式 */
@media (max-width: 1024px) {
    .partner-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 768px) {
    .partner-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .partner-card { padding: 16px 12px 12px; }

/* ========== 产业板块详情页 ========== */
.business-detail-grid {
    display: flex; flex-direction: column; gap: 32px;
    max-width: 900px; margin: 0 auto;
}
.business-detail-image {
    text-align: center;
}
.business-detail-image img {
    max-width: 100%; max-height: 450px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    object-fit: cover;
}
.business-detail-text {
    font-size: 16px; line-height: 1.9; color: var(--gray-700);
}
.business-detail-text .cn-text { margin-bottom: 12px; }
.business-detail-text .en-text { font-size: 14px; color: var(--gray-500); }

@media (max-width: 768px) {
    .business-detail-image img { max-height: 280px; }
}
    .partner-logo-wrap, .partner-logo-fallback { height: 64px; }
    .partner-logo-wrap img { max-height: 64px; }
    .partner-name { font-size: 13px; }
    .partner-category h4 { font-size: 16px; }
}
@media (max-width: 480px) {
    .partner-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .partner-card { padding: 14px 10px 10px; }
    .partner-logo-fallback { font-size: 13px; }
    .partner-name { font-size: 12px; }
}

/* ========== 公益行动 ========== */
.welfare-section { display: flex; flex-direction: column; gap: 24px; }
.welfare-card {
    background: var(--white); border-radius: var(--radius-lg); padding: 28px;
    box-shadow: var(--shadow-sm); border: 1px solid var(--gray-100);
    border-left: 4px solid var(--primary-light); position: relative;
}
.welfare-has-img {
    display: flex; gap: 24px; align-items: flex-start;
}
.welfare-img {
    flex: 0 0 200px; border-radius: var(--radius); overflow: hidden;
}
.welfare-img img {
    width: 100%; height: 150px; object-fit: cover; border-radius: var(--radius);
}
.welfare-body { flex: 1; }
.welfare-year {
    display: inline-block; background: var(--primary-light); color: var(--white);
    padding: 4px 14px; border-radius: 4px; font-size: 13px; font-weight: 700;
    margin-bottom: 12px;
}
.welfare-card h4 { font-size: 18px; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; }
.welfare-card p { font-size: 14px; line-height: 1.8; }

/* ========== 媒体聚焦 ========== */
.media-logos {
    display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; margin-bottom: 30px;
}
.media-logo-item {
    padding: 16px 28px; background: #f8fafc; border-radius: var(--radius);
    font-size: 16px; font-weight: 700; color: var(--gray-900);
    border: 2px solid var(--gray-100); transition: all var(--transition);
}
.media-logo-item:hover { border-color: var(--primary-light); background: #fecaca; }
.media-desc { text-align: center; max-width: 700px; margin: 0 auto; }
.media-desc p { font-size: 15px; line-height: 1.8; color: var(--gray-700); }

/* ========== 新闻列表 ========== */
.news-list { display: flex; flex-direction: column; gap: 0; margin-top: 40px; }
.news-card {
    display: block; padding: 20px 0; border-bottom: 1px solid var(--gray-100);
    cursor: pointer; transition: all var(--transition);
}
.news-card.has-img { display: flex; gap: 20px; align-items: flex-start; }
.news-card:hover { padding-left: 12px; }
.news-card:hover .news-title { color: var(--primary-light); }
.news-card-img { flex-shrink: 0; width: 180px; height: 120px; border-radius: 10px; overflow: hidden; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.news-card:hover .news-card-img img { transform: scale(1.05); }
.news-card-text { flex: 1; min-width: 0; }
.news-card-date {
    font-size: 12px; color: var(--gray-400); margin-bottom: 4px;
    font-family: 'Inter', sans-serif;
}
.news-title {
    font-size: 17px; font-weight: 600; color: var(--gray-900);
    margin-bottom: 6px; line-height: 1.5; transition: color var(--transition);
}
.news-summary {
    font-size: 14px; color: var(--gray-500); line-height: 1.7;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-empty {
    text-align: center; padding: 60px 20px; color: var(--gray-400);
    font-size: 15px;
}

/* ========== 分页 ========== */
.pagination { display: flex; justify-content: center; align-items: center; gap: 6px; margin-top: 36px; padding-bottom: 20px; }
.page-btn {
    min-width: 38px; height: 38px; padding: 0 8px; border-radius: 8px; border: 1px solid var(--gray-200);
    background: var(--white); color: var(--gray-600); font-size: 14px; font-weight: 500;
    cursor: pointer; transition: all var(--transition); display: flex; align-items: center; justify-content: center;
}
.page-btn:hover { border-color: var(--primary-light); color: var(--primary-light); }
.page-btn.active {
    background: var(--primary); color: var(--white); border-color: var(--primary); font-weight: 600;
}
.page-btn.disabled { opacity: 0.4; pointer-events: none; }

/* ========== 新闻详情页 ========== */
.news-detail {
    max-width: 860px; margin: 0 auto; padding: 50px 0 80px;
}
.news-detail-card {
    background: #fff; border-radius: 16px; padding: 56px 64px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 12px 40px rgba(0,0,0,0.08);
}
.news-detail-cover { margin: 24px 0 32px; border-radius: 12px; overflow: hidden; }
.news-detail-cover img { width: 100%; display: block; border-radius: 12px; }

/* ===== 头部区域 ===== */
.news-detail-header {
    margin-bottom: 40px; padding-bottom: 32px;
    border-bottom: 1px solid #eee;
}
.news-detail-date {
    display: inline-block; font-size: 13px; color: var(--primary-light);
    background: var(--primary-bg); padding: 5px 16px; border-radius: 20px;
    font-weight: 600; margin-bottom: 20px;
    font-family: 'Inter', sans-serif; letter-spacing: 0.5px;
}
.news-detail-header h1 {
    font-size: 32px; font-weight: 800; color: #1c1917;
    line-height: 1.4; margin: 0; letter-spacing: 0.3px;
}

/* ===== 正文排版 ===== */
.news-detail-body {
    font-size: 16px; line-height: 2; color: #3a3a3a;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

/* 引导段落 —— 左红竖线 + 加大字号 */
.news-detail-body p.lead {
    font-size: 18px; color: #1c1917; font-weight: 600;
    line-height: 1.85; text-indent: 0;
    padding: 16px 0 16px 24px; margin-bottom: 32px;
    border-left: 4px solid var(--primary);
    background: linear-gradient(90deg, rgba(127,29,29,0.04) 0%, transparent 100%);
    border-radius: 0 8px 8px 0;
}

/* 正文段落 */
.news-detail-body p {
    margin-bottom: 24px; text-indent: 2em;
}
.news-detail-body p:first-of-type { margin-top: 0; }
.news-detail-body p:last-of-type { margin-bottom: 0; }

/* 正文中的引用块 */
.news-detail-body blockquote {
    margin: 28px 0; padding: 20px 28px;
    background: #fafafa; border-left: 3px solid #ddd;
    border-radius: 6px; font-style: italic; color: #555;
}
.news-detail-body blockquote p { text-indent: 0; margin-bottom: 8px; }

/* 内文小标题 */
.news-detail-body h3 { font-size: 20px; font-weight: 700; color: #1c1917; margin: 32px 0 16px; }
.news-detail-body h4 { font-size: 17px; font-weight: 700; color: #333; margin: 24px 0 12px; }

/* 列表样式 */
.news-detail-body ul, .news-detail-body ol { margin: 16px 0; padding-left: 24px; }
.news-detail-body li { margin-bottom: 10px; line-height: 1.9; }
.news-detail-body li::marker { color: var(--primary-light); }

/* 水平分隔线 */
.news-detail-body hr { margin: 36px 0; border: none; border-top: 1px dashed #e0e0e0; }

/* 粗体强调 */
.news-detail-body strong { color: #1c1917; font-weight: 700; }

/* 关键数据高亮 */
.news-detail-body em.highlight { font-style: normal; color: var(--primary-light); font-weight: 600; }

/* ===== 底部导航 ===== */
.news-detail-footer {
    margin-top: 52px; padding-top: 28px;
    border-top: 1px solid #eee;
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 12px;
}
.news-detail-copyright { font-size: 13px; color: #999; }
.news-detail-back {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 14px; color: var(--primary-light); font-weight: 600;
    transition: all 0.25s; text-decoration: none;
    padding: 8px 20px; border: 1px solid var(--primary-bg);
    border-radius: 24px; background: var(--primary-bg);
}
.news-detail-back:hover {
    color: #fff; background: var(--primary);
    border-color: var(--primary); gap: 10px;
}
.news-detail-back::before { content: '←'; font-size: 16px; transition: transform 0.25s; }
.news-detail-back:hover::before { transform: translateX(-3px); }

/* ===== 移动端 ===== */
@media (max-width: 768px) {
    .news-detail { padding: 32px 0 60px; }
    .news-detail-card { padding: 28px 20px; border-radius: 12px; }
    .news-detail-header { margin-bottom: 24px; padding-bottom: 20px; }
    .news-detail-header h1 { font-size: 22px; line-height: 1.4; }
    .news-detail-body { font-size: 15px; line-height: 1.85; }
    .news-detail-body p { text-indent: 1.5em; margin-bottom: 18px; }
    .news-detail-body p.lead { font-size: 16px; padding: 12px 0 12px 18px; margin-bottom: 24px; }
    .news-detail-footer { flex-direction: column; align-items: flex-start; }
    .news-detail-back { width: 100%; justify-content: center; }
}

/* ========== 联系我们 ========== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin: 48px 0; }
.contact-brand h3 { font-size: 28px; font-weight: 800; color: var(--gray-900); letter-spacing: 2px; }
.contact-brand p { font-size: 16px; color: var(--gray-700); margin-top: 8px; }
.contact-slogan { margin: 24px 0; padding: 16px; background: #f8fafc; border-radius: var(--radius); }
.contact-slogan p { font-size: 15px; font-weight: 500; color: var(--gray-700); }

.contact-details { display: flex; flex-direction: column; gap: 12px; }
.contact-row { font-size: 14px; display: flex; gap: 8px; }
.contact-label { font-weight: 600; color: var(--gray-900); min-width: fit-content; }

.contact-qr-row { display: flex; align-items: flex-start; margin-top: 4px; }
.contact-qr-wrap { text-align: center; }
.contact-qr-img { width: 120px; height: 120px; border-radius: 6px; border: 2px solid var(--gray-200); object-fit: contain; }
.contact-qr-label { display: block; font-size: 12px; color: var(--gray-600); margin-top: 6px; }

.contact-form-area h3 { font-size: 20px; font-weight: 700; color: var(--gray-900); margin-bottom: 20px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--gray-700); margin-bottom: 6px; }
.form-group input, .form-group textarea {
    width: 100%; padding: 10px 14px; border: 1px solid var(--gray-300);
    border-radius: 6px; font-size: 14px; font-family: inherit;
    transition: border-color var(--transition);
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(185,28,28,0.1); }

.btn-submit {
    padding: 14px 36px; background: var(--primary-light); color: #fff;
    border: none; border-radius: 8px; font-size: 15px; font-weight: 600;
    cursor: pointer; transition: all var(--transition); letter-spacing: 0.5px;
}
.btn-submit:hover { background: var(--primary); transform: translateY(-2px); box-shadow: 0 4px 16px rgba(185,28,28,0.35); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-map-search {
    padding: 14px 36px; background: var(--primary-light); color: #fff;
    border: none; border-radius: 8px; font-size: 15px; font-weight: 600;
    cursor: pointer; transition: all var(--transition); letter-spacing: 0.5px;
}
.btn-map-search:hover { background: var(--primary); transform: translateY(-2px); box-shadow: 0 4px 16px rgba(185,28,28,0.35); }

.map-section { margin-top: 20px; }
.map-section h3 {
    font-size: 20px; font-weight: 700; color: var(--gray-900);
    margin-bottom: 12px; padding-left: 14px; border-left: 3px solid var(--primary-light);
}
.map-toolbar {
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
    margin-bottom: 0; padding: 14px 16px;
    background: #fafafa; border: 1px solid var(--gray-200);
    border-radius: var(--radius) var(--radius) 0 0;
    border-bottom: none;
}
.map-search-wrap {
    display: flex; gap: 6px; align-items: center; flex: 1;
    min-width: 260px;
}
.map-search-wrap input {
    flex: 1; padding: 10px 14px; border: 1px solid var(--gray-200);
    border-radius: 6px; font-size: 14px; outline: none; min-width: 160px;
    background: var(--white); transition: border-color var(--transition), box-shadow var(--transition);
}
.map-search-wrap input:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(185,28,28,0.08);
}
.btn-map-reset {
    padding: 10px 16px; background: var(--white); color: var(--gray-700);
    border: 1px solid var(--gray-200); border-radius: 6px; font-size: 13px;
    cursor: pointer; transition: all var(--transition); white-space: nowrap;
    display: flex; align-items: center; gap: 4px;
}
.btn-map-reset:hover { border-color: var(--primary-light); color: var(--primary-light); }
.map-coords {
    font-size: 12px; color: var(--gray-500); white-space: nowrap;
    padding: 6px 12px; background: var(--white); border-radius: 6px;
    border: 1px solid var(--gray-100); font-family: 'SF Mono','Cascadia Code','Consolas',monospace;
    letter-spacing: 0.02em;
}
.map-coords-label { font-weight: 600; color: var(--gray-600); }
.map-container {
    width: 100%; height: 480px; border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    border: 1px solid var(--gray-200); border-top: none; overflow: hidden;
    position: relative; background: #f0f2f5;
}
.map-loading {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.85); z-index: 10; font-size: 14px;
    color: var(--gray-500); gap: 8px;
}
.map-loading-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary-light); animation: map-dot-bounce 1.2s infinite ease-in-out; }
.map-loading-dot:nth-child(2) { animation-delay: 0.2s; }
.map-loading-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes map-dot-bounce {
    0%,80%,100% { transform: scale(0.6); opacity: 0.4; }
    40% { transform: scale(1); opacity: 1; }
}
.map-legend {
    display: flex; gap: 16px; align-items: center; padding: 8px 16px;
    background: var(--white); border: 1px solid var(--gray-200);
    border-radius: 0 0 var(--radius) var(--radius); border-top: none;
    font-size: 12px; color: var(--gray-500);
}
.map-legend-dot {
    width: 12px; height: 12px; border-radius: 50%;
    background: var(--primary-lighter); display: inline-block; margin-right: 4px;
    vertical-align: middle; box-shadow: 0 0 0 3px rgba(220,38,38,0.15);
}
.map-legend-item { display: flex; align-items: center; gap: 4px; }
@media (max-width: 640px) {
    .map-toolbar { padding: 10px 12px; gap: 8px; }
    .map-search-wrap { min-width: 200px; }
    .map-search-wrap input { padding: 8px 10px; font-size: 13px; }
    .btn-map-search { padding: 8px 14px; font-size: 13px; }
    .btn-map-reset { padding: 8px 12px; font-size: 12px; }
    .map-coords { font-size: 11px; padding: 5px 8px; }
    .map-container { height: 320px; }
}

/* ========== 页脚 ========== */
#main-footer {
    background: var(--dark); color: rgba(255,255,255,0.7);
    padding: 48px 0 24px;
}
.footer-top {
    display: grid; grid-template-columns: 1fr 2fr; gap: 40px;
    padding-bottom: 28px; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo-img {
    height: 48px; width: auto; object-fit: contain; margin-bottom: 10px;
}
.footer-brand p { font-size: 13px; line-height: 1.6; }
.footer-talent {
    padding: 16px 24px; background: rgba(255,255,255,0.05);
    border-radius: var(--radius); border-left: 3px solid var(--primary-light);
}
.footer-talent h4 {
    font-size: 13px; font-weight: 600; color: var(--white);
    margin-bottom: 8px; text-transform: uppercase; letter-spacing: 1px;
}
.footer-talent p { font-size: 13px; line-height: 1.8; }
.footer-bottom { text-align: center; padding-top: 24px; font-size: 13px; }

/* ========== 返回链接 ========== */
.back-to-top-container { padding: 20px 0 60px; text-align: center; }
.back-link {
    display: inline-block; padding: 12px 32px; border-radius: 6px;
    background: var(--primary-bg); color: var(--primary-light); font-weight: 600;
    font-size: 15px; transition: all var(--transition); border: 1px solid var(--gray-300);
}
.back-link:hover { background: var(--primary-light); color: var(--white); border-color: var(--primary-light); }

/* ========== 栏目概览页（About/Business/Honors主页面） ========== */
.overview-container { padding: 48px 0 60px; }
.overview-desc {
    text-align: center; font-size: 16px; color: var(--gray-500);
    max-width: 700px; margin: 0 auto 40px; line-height: 1.8;
}
.overview-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}
.business-overview-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
@media (max-width: 767px) {
    .business-overview-grid { grid-template-columns: 1fr; }
}
.overview-card {
    display: block; background: var(--white); border-radius: var(--radius-lg);
    padding: 32px 24px; text-align: center; border: 1px solid var(--gray-100);
    box-shadow: var(--shadow-sm); transition: all var(--transition);
    position: relative; overflow: hidden;
}
.overview-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--primary-light), var(--primary-lighter));
    opacity: 0; transition: opacity var(--transition);
}
.overview-card:hover {
    transform: translateY(-4px); box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}
.overview-card:hover::before { opacity: 1; }
.overview-icon { width: 48px; height: 48px; margin: 0 auto 16px; color: var(--primary-light); }
.overview-icon svg { width: 100%; height: 100%; }
.overview-card h3 { font-size: 17px; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
.overview-card p { font-size: 13px; color: var(--gray-500); line-height: 1.6; }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .business-entry-grid { grid-template-columns: repeat(2, 1fr); }
    .concepts-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    #main-nav {
        display: none; position: fixed; top: 72px; left: 0; right: 0;
        background: var(--white); flex-direction: column; padding: 16px;
        box-shadow: var(--shadow-lg); gap: 4px;
    }
    #main-nav.open { display: flex; }
    .mobile-menu-btn { display: flex; }
    .mobile-menu-btn.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .mobile-menu-btn.open span:nth-child(2) { opacity: 0; }
    .mobile-menu-btn.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    .logo-text { font-size: 18px; letter-spacing: 1px; }
    .logo-sub-wrap { display: none; }

    .smile-curve-content { grid-template-columns: 1fr; }
    .intro-content { grid-template-columns: 1fr; }
    .profile-grid { grid-template-columns: 1fr; }
    .culture-grid { grid-template-columns: 1fr; }
    .concepts-grid { grid-template-columns: 1fr 1fr; }
    .founder-card { grid-template-columns: 1fr; text-align: center; }
    .photo-placeholder { width: 150px; height: 150px; }
    .layout-section { grid-template-columns: 1fr; }
    .layout-section-stacked { gap: 32px; }
    .business-entry-grid { grid-template-columns: 1fr; }
    .biz-content-grid { grid-template-columns: 1fr; }
    .culture-review-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; }
    .moshang-gallery { grid-template-columns: repeat(2, 1fr); gap: 16px; }

    .hero-title { letter-spacing: 3px; }
    .data-grid { grid-template-columns: repeat(2, 1fr); }
    .section-block { padding: 48px 0; }
    .section-hero { padding: 100px 0 36px; }
    .tab-content { padding: 24px 0; }
}

@media (max-width: 480px) {
    .data-grid { grid-template-columns: 1fr; }
    .concepts-grid { grid-template-columns: 1fr; }
    .honors-grid { grid-template-columns: 1fr; }
    .position-grid { grid-template-columns: 1fr; }
    .moshang-gallery { grid-template-columns: 1fr; gap: 16px; }
}