/* ==================== 鍩虹鏍峰紡 ==================== */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #0891b2;
    --accent: #7c3aed;
    --text: #1f2937;
    --text-light: #6b7280;
    --text-lighter: #9ca3af;
    --bg: #ffffff;
    --bg-light: #f8fafc;
    --bg-dark: #111827;
    --border: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--text);
    line-height: 1.6;
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==================== 鎸夐挳 ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: var(--radius);
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 15px;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

.btn-white {
    background: white;
    color: var(--primary);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ==================== 瀵艰埅鏍?==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 40px;
    width: auto;
    border-radius: 6px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-menu a {
    font-size: 15px;
    color: var(--text);
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

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

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.nav-link-external {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text);
    padding: 4px;
}

/* ==================== Hero Section ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #0f0a2e 0%, #1e1b4b 20%, #312e81 40%, #4c1d95 60%, #1e40af 80%, #0891b2 100%);
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 140px 0 60px;
    color: white;
    text-align: center;
}

.hero-title {
    font-size: 60px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, #60a5fa, #22d3ee, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* 缁熻鏁版嵁 */
.hero-stats {
    position: relative;
    z-index: 1;
    padding: 40px 0;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 40px;
}

.stat-item {
    text-align: center;
    color: white;
}

.stat-value {
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
    display: inline;
}

.stat-unit {
    font-size: 24px;
    font-weight: 600;
    display: inline;
}

.stat-label {
    font-size: 16px;
    opacity: 0.8;
    margin-top: 8px;
    display: block;
}

/* ==================== Section ==================== */
.section {
    padding: 100px 0;
}

.bg-light {
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text);
    letter-spacing: -0.01em;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
}

.section-footer {
    text-align: center;
    margin-top: 40px;
}

/* ==================== 鏈嶅姟鍗＄墖 ==================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.service-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 36px 28px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
}

.icon-1 { background: #eff6ff; color: #2563eb; }
.icon-2 { background: #faf5ff; color: #9333ea; }
.icon-3 { background: #f0fdf4; color: #16a34a; }
.icon-4 { background: #fff7ed; color: #ea580c; }

.service-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-desc {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-link {
    color: var(--primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s;
}

.service-link:hover {
    gap: 10px;
}

/* ==================== 涓轰粈涔堥€夋嫨 ==================== */
.why-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.why-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 40px 28px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border);
}

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

.why-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: white;
    margin: 0 auto 20px;
}

.why-card h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.why-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ==================== 鏂囩珷鍗＄墖 ==================== */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.article-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border);
}

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

.article-image {
    height: 180px;
    overflow: hidden;
    background: linear-gradient(135deg, #eff6ff, #faf5ff);
}

.article-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--primary);
    opacity: 0.3;
}

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

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

.article-content {
    padding: 20px;
}

.article-tag {
    display: inline-block;
    padding: 4px 12px;
    background: #eff6ff;
    color: var(--primary);
    font-size: 12px;
    border-radius: 20px;
    margin-bottom: 12px;
    font-weight: 500;
}

.article-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-summary {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-lighter);
}

/* ==================== CTA Section ==================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 40px 40px;
}

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

.cta-title {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 24px;
}

.cta-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
}

.price-label {
    font-size: 18px;
}

.price-value {
    font-size: 56px;
    font-weight: 800;
}

.price-unit {
    font-size: 20px;
    opacity: 0.8;
}

/* ==================== 椤佃剼 ==================== */
.footer {
    background: var(--bg-dark);
    color: #9ca3af;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 20px;
    display: inline-flex;
}

.footer-brand .logo-img {
    height: 36px;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.7;
}

.footer-section h4 {
    color: white;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-links,
.footer-contact {
    list-style: none;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 12px;
    font-size: 14px;
}

.footer-links a:hover,
.footer-contact a:hover {
    color: white;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact i {
    color: var(--primary);
    width: 16px;
}

.member-link {
    color: #fbbf24;
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.footer-legal {
    display: flex;
    gap: 20px;
}

.footer-legal a:hover {
    color: white;
}

/* ==================== 椤甸潰澶撮儴 ==================== */
.page-header {
    background: linear-gradient(135deg, #0f0a2e 0%, #1e1b4b 20%, #312e81 40%, #4c1d95 60%, #1e40af 80%, #0891b2 100%);
    padding: 140px 0 80px;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.page-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.page-subtitle {
    font-size: 18px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ==================== 鍏充簬椤甸潰 ==================== */
.about-intro {
    max-width: 1200px;
    margin: 0 auto;
}

.about-text {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 24px;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.value-item {
    text-align: center;
    padding: 32px 24px;
    background: var(--bg-light);
    border-radius: var(--radius-xl);
    transition: var(--transition);
}

.value-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.value-item i {
    font-size: 36px;
    color: var(--primary);
    margin-bottom: 16px;
}

.value-item h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
}

.value-item p {
    font-size: 14px;
    color: var(--text-light);
}

/* 鍙戝睍鍘嗙▼ */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 100px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--accent));
}

.timeline-item {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
    position: relative;
}

.timeline-year {
    width: 80px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    text-align: right;
    flex-shrink: 0;
}

.timeline-content {
    flex: 1;
    padding: 24px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    margin-left: 20px;
    position: relative;
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-lg);
}

.timeline-content::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 30px;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: var(--shadow);
}

/* 鑱旂郴鎴戜滑 */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-form-wrapper,
.contact-info {
    background: white;
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.contact-form-title,
.contact-info-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text);
}

.required {
    color: #ef4444;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 15px;
    transition: border-color 0.3s, box-shadow 0.3s;
    font-family: inherit;
    background: var(--bg-light);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background: white;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* 鑱旂郴淇℃伅 */
.contact-list {
    margin-bottom: 32px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.icon-address { background: #eff6ff; color: #2563eb; }
.icon-phone { background: #f0fdf4; color: #16a34a; }
.icon-email { background: #fff7ed; color: #ea580c; }
.icon-wechat { background: #f0fdf4; color: #16a34a; }

.contact-detail {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 1;
}

.contact-label {
    font-weight: 500;
    color: var(--text);
}

.contact-value {
    color: var(--text-light);
    font-size: 14px;
}

/* 宸ヤ綔鏃堕棿 */
.work-hours {
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.work-hours h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.work-hours h4 i {
    color: var(--primary);
}

.work-hours-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.work-hour-item {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

.text-muted {
    color: var(--text-light);
}

/* ==================== 鏈嶅姟椤甸潰 ==================== */
.services-detailed {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.service-detailed-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 40px;
    align-items: center;
    padding: 48px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.service-detailed-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}

.service-number {
    font-size: 64px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.4;
    line-height: 1;
}

.service-content h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 8px;
}

.service-subtitle {
    font-size: 16px;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 16px;
}

.service-description {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.7;
}

.service-icon-large {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: white;
    flex-shrink: 0;
}

/* 鏈嶅姟娴佺▼ */
.process-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.process-step {
    background: white;
    border-radius: var(--radius-xl);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    flex: 1;
    max-width: 220px;
    transition: var(--transition);
}

.process-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.process-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.process-step h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.process-step p {
    font-size: 13px;
    color: var(--text-light);
}

.process-arrow {
    color: var(--primary);
    font-size: 20px;
    opacity: 0.4;
}

/* ==================== 绀惧尯椤甸潰 ==================== */
.community-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 40px;
    border-bottom: 2px solid var(--border);
    padding-bottom: 16px;
}

.tab-item {
    padding: 12px 24px;
    font-weight: 500;
    border-radius: var(--radius);
    transition: var(--transition);
}

.tab-item:hover,
.tab-item.active {
    background: var(--primary);
    color: white;
}

.articles-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.article-list-item {
    display: flex;
    gap: 24px;
    padding: 28px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.article-list-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.article-info {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.article-meta-top {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.article-hot {
    color: #ef4444;
    font-size: 13px;
    font-weight: 500;
}

.article-thumb {
    width: 200px;
    height: 140px;
    border-radius: var(--radius);
    overflow: hidden;
    flex-shrink: 0;
}

.article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ==================== Toast 鎻愮ず ==================== */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 14px 24px;
    border-radius: var(--radius);
    color: white;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 9999;
    transform: translateX(120%);
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.toast.show {
    transform: translateX(0);
}

.toast-success {
    background: #16a34a;
}

.toast-error {
    background: #ef4444;
}

/* ==================== 鍔ㄧ敾 ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.animate-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ==================== 鍝嶅簲寮?==================== */
@media (max-width: 1024px) {
    .services-grid,
    .articles-grid,
    .about-values,
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .process-grid {
        flex-wrap: wrap;
    }

    .process-arrow {
        display: none;
    }

    .process-step {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-menu,
    .nav-actions {
        display: none;
    }

    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        padding: 20px;
        gap: 16px;
        box-shadow: var(--shadow-lg);
        border-bottom: 1px solid var(--border);
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .services-grid,
    .articles-grid,
    .about-values,
    .why-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .service-detailed-card {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 32px 24px;
    }

    .service-icon-large {
        margin: 0 auto;
    }

    .service-number {
        font-size: 48px;
    }

    .article-list-item {
        flex-direction: column;
    }

    .article-thumb {
        width: 100%;
        height: 200px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        flex-direction: column;
        gap: 16px;
    }

    .timeline-year {
        text-align: left;
        width: auto;
    }

    .timeline-content {
        margin-left: 0;
    }

    .timeline-content::before {
        left: -28px;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 30px;
    }

    .page-title {
        font-size: 32px;
    }

    .cta-title {
        font-size: 28px;
    }

    .price-value {
        font-size: 40px;
    }

    .stat-value {
        font-size: 36px;
    }

    .process-grid {
        flex-direction: column;
    }
}

/* ==================== 浼欎即椤甸潰 ==================== */
.partner-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.partner-card {
    display: flex;
    gap: 24px;
    padding: 32px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.partner-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.partner-logo {
    width: 120px;
    height: 120px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 16px;
}

.partner-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.partner-info {
    flex: 1;
}

.partner-info h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text);
}

.partner-info p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.partner-tag {
    display: inline-block;
    padding: 4px 12px;
    background: #eff6ff;
    color: var(--primary);
    font-size: 12px;
    border-radius: 20px;
    margin-right: 8px;
    font-weight: 500;
}

.partner-coming {
    text-align: center;
    padding: 60px 40px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    border: 2px dashed var(--border);
}

.partner-coming-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
    margin: 0 auto 24px;
}

.partner-coming h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.partner-coming p {
    color: var(--text-light);
    max-width: 500px;
    margin: 0 auto;
}

/* ==================== 最新研究板块 ==================== */
.research-section {
    background: #ffffff;
    padding: 80px 0;
}

.research-section .section-title {
    color: #1e293b;
}

.research-section .section-subtitle {
    color: #64748b;
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.research-card {
    background: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-xl);
    padding: 32px 24px;
    text-align: center;
    text-decoration: none;
    color: #1e293b;
    transition: all 0.3s ease;
    display: block;
}

.research-card:hover {
    background: #eff6ff;
    border-color: #3b82f6;
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(37,99,235,0.15);
}

.research-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto 20px;
    color: white;
    transition: all 0.3s ease;
}

.research-card:hover .research-icon {
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(37,99,235,0.4);
}

.research-card h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1e293b;
}

.research-card p {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 16px;
}

.research-count {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(37, 99, 235, 0.1);
    color: #2563eb;
    font-size: 13px;
    border-radius: 20px;
    font-weight: 500;
}

@media (max-width: 1200px) {
    .research-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .research-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .research-card {
        padding: 24px 16px;
    }
}

@media (max-width: 480px) {
    .research-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1024px) {
    .partner-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .partner-card {
        flex-direction: column;
        text-align: center;
    }

    .partner-logo {
        margin: 0 auto;
    }
}

/* 人形机器人服务 - 3列布局 */
.robot-service-grid {
    grid-template-columns: repeat(3, 1fr);
}

/* 中欧联动 - 五城市卡片 */
.eu-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}
.eu-card {
    background: white;
    border-radius: 16px;
    padding: 28px 20px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.eu-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}
.eu-icon {
    font-size: 48px;
    line-height: 1;
    margin-bottom: 16px;
}
.eu-city {
    font-size: 22px;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 6px;
}
.eu-role {
    font-size: 14px;
    color: #6366f1;
    font-weight: 600;
    margin: 0 0 14px;
    letter-spacing: 0.5px;
}
.eu-desc {
    font-size: 13px;
    color: #64748b;
    line-height: 1.7;
    margin: 0;
}

@media (max-width: 1200px) {
    .eu-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .eu-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .eu-grid { grid-template-columns: 1fr; }
}