/* ============ 页面标题样式 ============ */
.page-header {
    background: var(--primary-color);
    background-image:
        linear-gradient(rgba(107, 133, 158, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(107, 133, 158, 0.05) 1px, transparent 1px),
        linear-gradient(135deg, rgba(22, 93, 255, 0.03) 0%, rgba(95, 168, 163, 0.03) 100%);
    background-size: 50px 50px, 50px 50px, 100% 100%;
    background-position: center, center, center;
    padding: 130px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(22, 93, 255, 0.06) 0%, rgba(95, 168, 163, 0.06) 50%, transparent 70%);
    animation: rotate 30s linear infinite;
}

.page-title {
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-title) 0%, var(--highlight-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-xs);
    position: relative;
    letter-spacing: -0.5px;
}

.page-subtitle {
    font-size: 12px;
    color: var(--secondary-color);
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: var(--space-md);
    position: relative;
}

.page-breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    font-size: 13px;
    color: var(--text-body);
}

.page-breadcrumb a {
    color: var(--text-body);
    text-decoration: none;
    transition: color 0.3s;
}

.page-breadcrumb a:hover {
    color: var(--highlight-color);
}

/* ============ 产品筛选 ============ */
.product-filter {
    background: var(--bg-white);
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--border-color);
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.filter-tab {
    padding: 8px 20px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-white);
    color: var(--text-body);
    font-size: 13px;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-tab:hover {
    border-color: var(--highlight-color);
    color: var(--highlight-color);
}

.filter-tab.active {
    background: var(--highlight-color);
    border-color: transparent;
    color: white;
}

/* ============ 产品列表 ============ */
.products-section {
    padding: var(--space-xl) 0;
    background: var(--primary-color);
}

/* ============ 应用场景 ============ */
.applications-section {
    background: var(--primary-color);
    padding: var(--space-xl) 0;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.application-item {
    background: var(--bg-white);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-sm);
}

.application-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--highlight-color);
}

.application-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    background: rgba(107, 133, 158, 0.1);
    border: none;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.application-icon svg {
    width: 60px;
    height: 60px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    filter: none;
}

.application-item:hover .application-icon {
    background: linear-gradient(135deg, var(--highlight-color) 0%, var(--secondary-color) 100%);
    border-color: transparent;
    box-shadow: 0 15px 40px rgba(22, 93, 255, 0.3);
    transform: scale(1.05);
}

.application-item:hover .application-icon svg {
    stroke: #ffffff;
    filter: grayscale(0%);
    transform: scale(1.05);
}

.application-item h3 {
    font-size: 16px;
    color: var(--text-title);
    margin-bottom: var(--space-sm);
    font-weight: 600;
}

.application-item p {
    font-size: 13px;
    color: var(--text-body);
    line-height: 1.6;
}

/* ============ 公司简介 ============ */
.company-intro {
    padding: var(--space-xl) 0;
    background: var(--bg-white);
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.intro-text h2 {
    font-size: 24px;
    color: var(--text-title);
    margin-bottom: var(--space-md);
    font-weight: 700;
}

.intro-text p {
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.intro-image .image-placeholder {
    height: 400px;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.company-real-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.company-real-image:hover {
    transform: scale(1.02);
}

.placeholder-content {
    text-align: center;
}

.placeholder-content span,
.placeholder-content svg {
    font-size: 100px;
    display: block;
    margin-bottom: 15px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.placeholder-content {
    padding: 30px;
}

.placeholder-content .icon-wrapper {
    width: 140px;
    height: 140px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 24px;
    background: rgba(107, 133, 158, 0.1);
    border: 2px solid rgba(107, 133, 158, 0.15);
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.placeholder-content .icon-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(107, 133, 158, 0.05), transparent);
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

.placeholder-content svg {
    width: 100px;
    height: 100px;
    animation: float 4s ease-in-out infinite;
    filter: grayscale(10%);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.intro-image:hover .icon-wrapper {
    background: rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.3);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.15);
    transform: scale(1.05);
}

.intro-image:hover .icon-wrapper svg {
    stroke: #667eea;
    filter: grayscale(0%);
    transform: scale(1.1);
}

.intro-image:hover .placeholder-content svg {
    transform: scale(1.1);
}

.map-placeholder .placeholder-content svg {
    animation: none;
}

.placeholder-content p {
    font-size: 16px;
    color: var(--text-body);
}

/* ============ 发展历程 ============ */
.timeline-section {
    padding: var(--space-xl) 0 120px;
    background: var(--primary-color);
}

.timeline {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    padding: 120px 0;
    min-height: 350px;
}

/* 波浪线背景 */
.timeline::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 10%;
    right: 10%;
    height: 4px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 4'%3E%3Cpath d='M0,2 Q150,0 300,2 T600,2 T900,2 T1200,2' fill='none' stroke='%236B859E' stroke-width='2'/%3E%3C/svg%3E");
    background-size: 300px 100%;
    background-repeat: repeat-x;
    animation: waveMove 3s linear infinite;
    opacity: 0.3;
    transform: translateY(-50%);
}

@keyframes waveMove {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 300px 0;
    }
}

.timeline-item {
    position: absolute;
    width: 220px;
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    opacity: 1;
    transform: translateY(0);
}

/* 第一个节点 */
.timeline-item:nth-child(1) {
    left: calc(10% - 110px);
    top: 0;
}

/* 第二个节点 */
.timeline-item:nth-child(2) {
    left: 50%;
    top: calc(100% - 150px);
    transform: translateX(-50%);
}

/* 第三个节点 */
.timeline-item:nth-child(3) {
    left: calc(90% - 110px);
    top: 0;
}

/* 悬停效果 */
.timeline-item:hover {
    transform: scale(1.05) !important;
    z-index: 10;
}

.timeline-item:nth-child(1):hover {
    transform: translateY(-10px) scale(1.05) !important;
}

.timeline-item:nth-child(2):hover {
    transform: translateX(-50%) translateY(-10px) scale(1.05) !important;
}

.timeline-item:nth-child(3):hover {
    transform: translateY(-10px) scale(1.05) !important;
}

/* 节点连接点 */
.timeline-item::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--highlight-color);
    border: 4px solid var(--bg-white);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(107, 133, 158, 0.3);
    z-index: 5;
    transition: all 0.3s ease;
}

.timeline-item:nth-child(1)::before {
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
}

.timeline-item:nth-child(2)::before {
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
}

.timeline-item:nth-child(3)::before {
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
}

.timeline-item:hover::before {
    background: var(--secondary-color);
    box-shadow: 0 0 0 8px rgba(95, 168, 163, 0.3);
    transform: translateX(-50%) scale(1.2);
}

.timeline-year {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--highlight-color) 0%, var(--secondary-color) 100%);
    color: white;
    font-size: 20px;
    font-weight: 700;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 8px 24px rgba(22, 93, 255, 0.2);
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
}

.timeline-content {
    padding: 20px;
    background: var(--bg-white);
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.timeline-item:hover .timeline-content {
    box-shadow: 0 12px 32px rgba(22, 93, 255, 0.15);
    border-color: var(--highlight-color);
}

.timeline-content h3 {
    font-size: 16px;
    color: var(--text-title);
    margin-bottom: 10px;
    font-weight: 600;
}

.timeline-content p {
    font-size: 13px;
    color: var(--text-body);
    line-height: 1.6;
}

/* ============ 企业文化 ============ */
.culture-section {
    padding: var(--space-xl) 0;
    background: var(--bg-white);
    position: relative;
    overflow: hidden;
}

.culture-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(22, 93, 255, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(95, 168, 163, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.culture-card {
    padding: var(--space-xl) var(--space-lg);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 247, 244, 0.9) 100%);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.culture-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(107, 133, 158, 0.05), transparent);
    transition: left 0.6s;
}

.culture-card:hover::before {
    left: 100%;
}

.culture-card:hover {
    transform: translateY(-8px) scale(1.02);
    background: linear-gradient(135deg, rgba(22, 93, 255, 0.05) 0%, rgba(138, 127, 170, 0.05) 100%);
    border-color: var(--highlight-color);
    box-shadow: 0 20px 40px -12px rgba(22, 93, 255, 0.2), 0 0 0 1px rgba(22, 93, 255, 0.1);
}

.culture-icon-wrapper {
    position: relative;
    margin: 0 auto 24px;
    width: 100px;
    height: 100px;
}

.culture-icon {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(107, 133, 158, 0.1) 0%, rgba(95, 168, 163, 0.1) 100%);
    border: none;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    z-index: 2;
}

.culture-card:hover .culture-icon {
    background: linear-gradient(135deg, var(--highlight-color) 0%, var(--secondary-color) 100%);
    border-color: transparent;
    box-shadow: 0 15px 40px rgba(22, 93, 255, 0.3);
    transform: scale(1.05);
}

.culture-icon svg {
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    filter: grayscale(30%);
}

.culture-card:hover .culture-icon svg {
    stroke: #ffffff;
    filter: grayscale(0%);
    transform: scale(1.1);
}

.culture-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 32px;
    height: 32px;
    background: var(--highlight-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(22, 93, 255, 0.3);
    z-index: 3;
    transition: all 0.3s ease;
}

.culture-card:hover .culture-badge {
    transform: scale(1.1);
}

.culture-card h3 {
    font-size: 18px;
    color: var(--text-title);
    margin-bottom: var(--space-sm);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.culture-card p {
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.6;
    margin-bottom: 16px;
}

.culture-detail {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    background: rgba(107, 133, 158, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(107, 133, 158, 0.1);
    transition: all 0.3s ease;
}

.culture-card:hover .culture-detail {
    background: rgba(22, 93, 255, 0.1);
    border-color: rgba(22, 93, 255, 0.2);
}

.culture-number {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--highlight-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.culture-label {
    font-size: 12px;
    color: var(--text-body);
    font-weight: 500;
}

/* ============ 荣誉资质 ============ */
.honors-section {
    padding: var(--space-xl) 0;
    background: linear-gradient(180deg, var(--primary-color) 0%, rgba(22, 93, 255, 0.02) 50%, var(--primary-color) 100%);
    position: relative;
    overflow: hidden;
}

.honors-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 10% 10%, rgba(255, 193, 7, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 90% 90%, rgba(95, 168, 163, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.honors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.honor-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.98) 100%);
    padding: var(--space-xl) var(--space-lg);
    border-radius: 20px;
    border: 2px solid var(--border-color);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.honor-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--highlight-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.honor-card:hover::after {
    transform: scaleX(1);
}

.honor-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(255, 193, 7, 0.3);
    box-shadow: 0 20px 40px -12px rgba(255, 193, 7, 0.2), 0 0 0 1px rgba(255, 193, 7, 0.1);
}

.honor-icon-wrapper {
    position: relative;
    margin: 0 auto 24px;
    width: 110px;
    height: 110px;
}

.honor-icon {
    width: 110px;
    height: 110px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 28px;
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1) 0%, rgba(255, 193, 7, 0.15) 100%);
    border: 2px solid rgba(255, 193, 7, 0.2);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    z-index: 2;
}

.honor-card:hover .honor-icon {
    background: linear-gradient(135deg, #FFC107 0%, #FFA000 100%);
    border-color: transparent;
    box-shadow: 0 15px 40px rgba(255, 193, 7, 0.4);
    transform: rotate(-5deg) scale(1.05);
}

.honor-icon svg {
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    filter: grayscale(30%);
}

.honor-card:hover .honor-icon svg {
    stroke: #ffffff;
    filter: grayscale(0%);
    transform: scale(1.1);
}

.honor-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    padding: 6px 12px;
    background: linear-gradient(135deg, #FFC107 0%, #FFA000 100%);
    color: white;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.4);
    z-index: 3;
    transition: all 0.3s ease;
}

.honor-card:hover .honor-badge {
    transform: scale(1.1) rotate(-15deg);
}

.honor-card h3 {
    font-size: 18px;
    color: var(--text-title);
    margin-bottom: var(--space-sm);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.honor-card p {
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.6;
    margin-bottom: 16px;
}

.honor-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px;
    background: rgba(255, 193, 7, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 193, 7, 0.1);
    transition: all 0.3s ease;
}

.honor-card:hover .honor-meta {
    background: rgba(255, 193, 7, 0.1);
    border-color: rgba(255, 193, 7, 0.2);
}

.honor-status {
    font-size: 13px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 12px;
    display: inline-block;
}

.honor-status.active {
    background: rgba(95, 168, 163, 0.15);
    color: #5FA8A3;
    border: 1px solid rgba(95, 168, 163, 0.3);
}

.honor-code {
    font-size: 11px;
    color: var(--text-body);
    font-weight: 400;
    letter-spacing: 0.5px;
}

/* ============ 统计数据 ============ */
.stats-section {
    padding: var(--space-xl) 0;
    background: var(--bg-white);
}

/* ============ 联系页面 ============ */
.contact-page-section {
    padding: var(--space-xl) 0;
    background: var(--primary-color);
}

.contact-page-section .contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.contact-info h2,
.contact-form-wrapper h2 {
    font-size: 20px;
    color: var(--text-title);
    margin-bottom: var(--space-xs);
    font-weight: 600;
}

.contact-desc {
    font-size: 13px;
    color: var(--text-body);
    margin-bottom: var(--space-lg);
}

.contact-map {
    margin-top: var(--space-lg);
}

.map-placeholder {
    height: 200px;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-form-wrapper {
    background: var(--bg-white);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

/* ============ 表单提示样式 ============ */
.form-tip {
    margin-top: var(--space-md);
    padding: 12px var(--space-md);
    border-radius: var(--radius-md);
    display: none;
    font-size: 14px;
    line-height: 1.5;
    animation: fadeIn 0.3s ease-in;
}

.form-tip.success {
    color: #155724;
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
}

.form-tip.error {
    color: #721c24;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
}

.form-tip.show {
    display: block;
}

/* ============ 服务承诺 ============ */
.service-promise {
    padding: var(--space-xl) 0;
    background: var(--bg-white);
}

.promise-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.promise-card {
    padding: var(--space-lg);
    background: var(--primary-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.promise-card:hover {
    transform: translateY(-2px);
    background: var(--bg-white);
    border-color: var(--highlight-color);
    box-shadow: var(--shadow-md);
}

.promise-card:hover .promise-icon {
    background: var(--primary-color);
    border-color: transparent;
}

.promise-card:hover .promise-icon svg {
    filter: grayscale(0%);
}

.promise-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(107, 133, 158, 0.1) 0%, rgba(95, 168, 163, 0.1) 100%);
    border: none;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.promise-icon svg {
    width: 50px;
    height: 50px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    filter: grayscale(30%);
}

.promise-card:hover .promise-icon {
    background: linear-gradient(135deg, var(--highlight-color) 0%, var(--secondary-color) 100%);
    border-color: transparent;
    box-shadow: 0 15px 40px rgba(22, 93, 255, 0.3);
    transform: scale(1.05);
}

.promise-card:hover .promise-icon svg {
    stroke: #ffffff;
    filter: grayscale(0%);
    transform: scale(1.05);
}

.promise-card h3 {
    font-size: 16px;
    color: var(--text-title);
    margin-bottom: var(--space-sm);
    font-weight: 600;
}

.promise-card p {
    font-size: 13px;
    color: var(--text-body);
    line-height: 1.6;
}

/* ============ 导航激活状态 ============ */
.nav-menu a.active {
    color: var(--highlight-color);
    font-weight: 600;
}

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

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

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

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

@media (max-width: 767px) {
    .page-header {
        padding: 110px 0 70px;
    }

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

    .intro-content {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 15px;
        top: 0;
        height: 100%;
        width: 2px;
        transform: none;
    }

    .timeline {
        padding: 60px 0;
        min-height: auto;
    }

    .timeline-item {
        position: relative;
        width: 100%;
        margin-bottom: 40px;
        flex-direction: column;
        align-items: flex-start;
        left: 0 !important;
        top: auto !important;
        transform: none !important;
    }

    .timeline-item::before {
        top: 15px;
        left: 6px;
        transform: none;
    }

    .timeline-item:nth-child(1)::before,
    .timeline-item:nth-child(2)::before,
    .timeline-item:nth-child(3)::before {
        top: 15px;
        left: 6px;
        transform: none;
        bottom: auto;
    }

    .timeline-item:nth-child(1) {
        left: 0;
        top: 0;
    }

    .timeline-item:nth-child(2) {
        left: 0;
        top: auto;
        transform: none;
    }

    .timeline-item:nth-child(3) {
        left: 0;
        top: auto;
    }

    .timeline-item:hover {
        transform: none !important;
    }

    .timeline-item:nth-child(1):hover {
        transform: none !important;
    }

    .timeline-item:nth-child(2):hover {
        transform: none !important;
    }

    .timeline-item:nth-child(3):hover {
        transform: none !important;
    }

    .timeline-item:hover::before {
        transform: none !important;
    }

    .timeline-year {
        width: auto;
        padding: 10px 20px;
        font-size: 18px;
        margin-bottom: 15px;
    }

    .timeline-content {
        margin-left: 25px;
        margin-top: 0;
        width: calc(100% - 25px);
        padding: 16px;
    }

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

    .application-item {
        padding: var(--space-md);
        text-align: center;
    }

    .application-icon {
        width: 60px;
        height: 60px;
        margin: 0 auto 20px;
        border-radius: 14px;
    }

    .application-icon svg {
        width: 40px;
        height: 40px;
    }

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

    .culture-card {
        padding: var(--space-md) var(--space-sm);
    }

    .culture-icon-wrapper {
        width: 60px;
        height: 60px;
        margin-bottom: var(--space-sm);
    }

    .culture-icon {
        width: 60px;
        height: 60px;
        border-radius: 14px;
    }

    .culture-icon svg {
        width: 30px;
        height: 30px;
    }

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

    .promise-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .promise-icon {
        width: 70px !important;
        height: 70px !important;
        margin: 0 auto var(--space-sm) !important;
    }

    .promise-icon svg {
        width: 35px !important;
        height: 35px !important;
    }

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

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

@media (max-width: 480px) {
    .page-header {
        padding: 100px 0 60px;
    }

    .page-title {
        font-size: 24px;
    }

    .page-subtitle {
        font-size: 11px;
        letter-spacing: 1.5px;
    }

    .promise-grid {
        grid-template-columns: 1fr !important;
    }

    .filter-tabs {
        gap: var(--space-xs);
    }

    .filter-tab {
        padding: 6px 16px;
        font-size: 12px;
    }

    .timeline-content {
        margin-left: 20px;
        width: calc(100% - 20px);
        padding: 12px;
    }

    .timeline-content h3 {
        font-size: 14px;
    }

    .timeline-content p {
        font-size: 12px;
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============ 软件界面截图样式 ============ */
.software-screenshots {
    display: grid;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

/* 桌面端强制3列 */
@media (min-width: 768px) {
    .software-screenshots {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

.screenshot-item {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.screenshot-item:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px);
}

.screenshot-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.screenshot-image img {
    width: 90%;
    height: 90%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

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

.screenshot-info {
    padding: var(--space-md);
}

.screenshot-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: var(--space-xs);
}

.screenshot-desc {
    font-size: 13px;
    color: var(--text-body);
    line-height: 1.6;
}

@media (max-width: 767px) {
    .software-screenshots {
        grid-template-columns: 1fr !important;
    }
}

/* ============ 合成图展示区域样式 ============ */
.composed-image-section {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-top: var(--space-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
}

.composed-image-container {
    width: 100%;
    overflow: hidden;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.composed-image {
    width: 100%;
    max-width: 500px;
    max-height: 400px;
    height: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.composed-image:hover {
    transform: scale(1.02);
}

.composed-image-info {
    padding: var(--space-md) 0 0;
}

.composed-image-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: var(--space-xs);
}

.composed-image-desc {
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.6;
}

@media (max-width: 767px) {
    .composed-image-section {
        padding: var(--space-md);
    }

    .composed-image-container {
        padding: var(--space-sm);
    }

    .composed-image-title {
        font-size: 16px;
    }

    .composed-image-desc {
        font-size: 13px;
    }
}