/* 全局样式 - 高端极简主题 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #66b8ff;
    --secondary-color: #2f6fe4;
    --accent-color: #9ad6ff;
    --dark-bg: #07090d;
    --card-bg: #11151d;
    --text-primary: #f5f7fb;
    --text-secondary: #a6afbd;
    --gradient-primary: linear-gradient(135deg, #b9ddff 0%, #4d8dff 100%);
    --gradient-accent: linear-gradient(135deg, rgba(126, 184, 255, 0.95) 0%, rgba(66, 120, 234, 0.95) 100%);
    --neon-glow: 0 0 20px rgba(102, 184, 255, 0.18);
}

body {
    font-family: "SF Pro Display", "SF Pro Text", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--dark-bg);
    overflow-x: hidden;
    letter-spacing: -0.01em;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 18%, rgba(119, 162, 255, 0.14) 0%, transparent 34%),
        radial-gradient(circle at 78% 24%, rgba(255, 255, 255, 0.08) 0%, transparent 24%),
        radial-gradient(circle at 50% 92%, rgba(77, 141, 255, 0.1) 0%, transparent 28%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 30%);
    z-index: -1;
    pointer-events: none;
}

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

.header {
    background: rgba(10, 12, 18, 0.72);
    backdrop-filter: blur(24px) saturate(140%);
    -webkit-backdrop-filter: blur(24px) saturate(140%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    padding: 0.9rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h1 {
    color: #f5f7fb;
    font-size: 1.55rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-lang {
    margin-left: 0.25rem;
}

.lang-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    padding: 0.42rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.82);
    transition: width 0.3s;
}

.nav-link:hover,
.nav-link.active {
    color: #ffffff;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 2px;
    background: #ffffff;
    margin: 3px 0;
    transition: 0.3s;
}

.hero {
    background:
        radial-gradient(circle at top center, rgba(122, 170, 255, 0.18) 0%, transparent 34%),
        radial-gradient(circle at 85% 18%, rgba(255, 255, 255, 0.08) 0%, transparent 18%),
        linear-gradient(180deg, #0b0d12 0%, #090b10 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    padding: 152px 0 112px;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 28%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h2 {
    font-size: clamp(3rem, 6vw, 4.7rem);
    font-weight: 700;
    margin-bottom: 1.35rem;
    color: #f7f9fc;
    line-height: 1.05;
    letter-spacing: -0.05em;
}

.hero-eyebrow {
    display: inline-block;
    margin-bottom: 1rem;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #dbe6f5;
    font-size: 0.92rem;
    letter-spacing: 0.01em;
}

.hero-content p {
    font-size: 1.12rem;
    color: #b5becb;
    margin-bottom: 2rem;
    max-width: 560px;
}

.hero-image {
    text-align: center;
}

.hero-image i {
    font-size: 8rem;
    opacity: 0.8;
}

/* 按钮样式 - 科技感 */
.btn {
    display: inline-block;
    padding: 13px 28px;
    text-decoration: none;
    border-radius: 999px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease, background 0.3s ease, color 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
    text-transform: none;
    letter-spacing: 0.02em;
    font-size: 0.96rem;
}

.btn-primary {
    background: #f5f7fb;
    color: #0c1118;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.24);
    filter: none;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    color: #eef4ff;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04), 0 10px 24px rgba(0, 0, 0, 0.12);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.18);
    transform: translateY(-2px);
}

.surface-panel {
    background: linear-gradient(180deg, rgba(22, 26, 35, 0.94), rgba(13, 16, 23, 0.96));
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.26);
}

.surface-panel-soft {
    background: linear-gradient(180deg, rgba(21, 21, 32, 0.88), rgba(21, 21, 32, 0.76));
    border-radius: 16px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
}

.surface-tile {
    display: block;
    text-decoration: none;
    color: inherit;
    border-radius: 14px;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(0, 212, 255, 0.12);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.surface-tile:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 212, 255, 0.25);
    box-shadow: 0 12px 28px rgba(0, 212, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
}

.surface-tile-light {
    display: block;
    text-decoration: none;
    color: inherit;
    border-radius: 12px;
    padding: 1rem;
    background: #fff;
    border: 1px solid rgba(21, 101, 192, 0.12);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.surface-tile-light:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 24px rgba(21, 101, 192, 0.08);
    border-color: rgba(21, 101, 192, 0.2);
}

/* 特色服务样式 - 科技感 */
.features {
    padding: 80px 0;
    background: var(--dark-bg);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.14), transparent);
}

.section-title {
    text-align: center;
    font-size: clamp(2.25rem, 4.4vw, 3.8rem);
    margin-bottom: 2.4rem;
    color: #f6f8fb;
    letter-spacing: -0.04em;
    text-shadow: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: linear-gradient(180deg, rgba(19, 23, 31, 0.96), rgba(14, 17, 24, 0.96));
    padding: 2rem;
    text-align: center;
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.55), transparent);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.14);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

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

.feature-icon {
    font-size: 3rem;
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
}

/* 产品预览样式 - 科技感 */
.products-preview {
    padding: 80px 0;
    background: 
        linear-gradient(180deg, rgba(67, 215, 255, 0.04) 0%, transparent 100%),
        var(--dark-bg);
    position: relative;
}

.products-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background: linear-gradient(180deg, rgba(19, 23, 31, 0.96), rgba(14, 17, 24, 0.96));
    border-radius: 28px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s;
}

.product-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, 0.14);
    box-shadow: 0 24px 44px rgba(0, 0, 0, 0.22);
}

.product-image {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(84, 133, 255, 0.1));
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}

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

.product-image i {
    font-size: 4rem;
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.product-card h3 {
    padding: 1.5rem 1.5rem 0.5rem;
    font-size: 1.3rem;
    color: var(--text-primary);
}

.product-card p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-secondary);
}

.product-card .btn {
    margin: 0 1.5rem 1.5rem;
}

/* 新闻预览样式 - 科技感 */
.news-preview {
    padding: 80px 0;
    background: var(--dark-bg);
    position: relative;
}

.news-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.news-card {
    background: linear-gradient(180deg, rgba(19, 23, 31, 0.96), rgba(14, 17, 24, 0.96));
    border-radius: 28px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s;
}

.news-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.14);
    box-shadow: 0 20px 38px rgba(0, 0, 0, 0.2);
}

.news-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.news-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.read-more:hover {
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

/* 页脚样式 - 科技感 */
.footer {
    background: linear-gradient(180deg, #0e1117 0%, #080a0e 100%);
    color: var(--text-primary);
    padding: 60px 0 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.14), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: #f5f7fb;
    font-size: 1.2rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s;
}

.footer-section a:hover {
    color: #ffffff;
    text-shadow: none;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.footer-bottom a {
    color: var(--primary-color);
    text-decoration: none;
}

.footer-bottom p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

/* 页面标题样式 - 科技感 */
.page-header {
    background:
        radial-gradient(circle at top center, rgba(110, 158, 255, 0.18) 0%, transparent 30%),
        linear-gradient(180deg, #0b0d12 0%, #090b10 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    padding: 140px 0 100px;
    text-align: center;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 28%);
}

.page-header h1 {
    font-size: clamp(2.8rem, 5vw, 4.4rem);
    margin-bottom: 1rem;
    color: #f4fbff;
    text-shadow: none;
    position: relative;
    z-index: 1;
}

.page-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

.section-intro {
    max-width: 760px;
    margin: -1.5rem auto 3rem;
    text-align: center;
    color: #aab3c1;
    font-size: 1.05rem;
}

.hero-badges,
.hero-actions,
.hero-trust-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-badges {
    margin-bottom: 1.1rem;
}

.hero-badge,
.hero-trust-item,
.trust-card,
.support-card {
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(18, 22, 30, 0.82);
    box-shadow: 0 22px 50px rgba(0, 0, 0, 0.22);
}

.hero-badge {
    padding: 0.6rem 1rem;
    border-radius: 999px;
    color: #dce6f2;
    font-size: 0.92rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.hero-actions {
    margin-bottom: 2.25rem;
    align-items: center;
}

.hero-trust-strip {
    margin-top: 0.25rem;
}

.hero-trust-item {
    flex: 1 1 180px;
    min-width: 180px;
    padding: 1.1rem 1.15rem;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.04);
}

.hero-trust-item strong {
    display: block;
    color: #eef8ff;
    margin-bottom: 0.35rem;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
}

.hero-trust-item span {
    color: var(--text-secondary);
    font-size: 0.93rem;
}

.hero-device {
    position: relative;
    width: min(100%, 420px);
    margin: 0 auto;
    padding: 2rem;
    border-radius: 34px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background:
        radial-gradient(circle at top, rgba(126, 184, 255, 0.18), transparent 52%),
        rgba(18, 22, 30, 0.94);
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.3);
}

.hero-device::before,
.hero-device::after {
    content: '';
    position: absolute;
}

.hero-device::before {
    inset: 22px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 28px;
}

.hero-device::after {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #7cf5c7;
    top: 20px;
    right: 24px;
    box-shadow: 0 0 12px rgba(124, 245, 199, 0.6);
}

.hero-device i {
    display: block;
    font-size: 7rem;
    margin-bottom: 1.25rem;
    color: #e7f0ff;
    -webkit-text-fill-color: currentColor;
}

.hero-device h3 {
    font-size: 1.5rem;
    margin-bottom: 0.7rem;
}

.hero-device p {
    color: var(--text-secondary);
    margin-bottom: 1.6rem;
}

.hero-device-stats,
.trust-grid,
.quick-entry-grid,
.contact-trust-grid,
.support-grid {
    display: grid;
    gap: 1rem;
}

.hero-device-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    text-align: left;
}

.hero-device-stats div {
    padding: 0.9rem 1rem;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-device-stats strong {
    display: block;
    color: #f5f7fb;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.hero-device-stats span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.trust-grid,
.quick-entry-grid,
.contact-trust-grid,
.support-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.trust-card,
.support-card {
    padding: 1.6rem;
    border-radius: 24px;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.trust-card:hover,
.support-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.14);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
}

.trust-card i,
.support-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.trust-card h3,
.support-card h3 {
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.trust-card p,
.support-card p {
    color: var(--text-secondary);
}

.trust-card a,
.support-card a {
    color: var(--primary-color);
    text-decoration: none;
}

/* 关于页面样式 */
.about-intro {
    padding: 80px 0;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 2rem;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: #555;
}

.about-image {
    text-align: center;
}

.about-image i {
    font-size: 8rem;
    color: #3498db;
    opacity: 0.8;
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 10px;
}

.stat-item h3 {
    font-size: 2rem;
    color: #3498db;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: #666;
    font-weight: 500;
}

.company-culture {
    padding: 80px 0;
    background: #f8f9fa;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.culture-item {
    background: white;
    padding: 2rem;
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.culture-icon {
    font-size: 3rem;
    color: #3498db;
    margin-bottom: 1rem;
}

.culture-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.company-timeline {
    padding: 80px 0;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #3498db;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-date {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background: #3498db;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 500;
    white-space: nowrap;
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    width: 45%;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: auto;
}

.team-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.team-member {
    background: white;
    padding: 2rem;
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.member-avatar {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #3498db, #2c3e50);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.member-avatar i {
    font-size: 3rem;
    color: white;
}

.team-member h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.member-position {
    color: #3498db;
    font-weight: 500;
    margin-bottom: 1rem;
}

.member-desc {
    color: #666;
    line-height: 1.6;
}

/* 产品页面样式 */
.product-categories {
    padding: 2rem 0;
    background: #f8f9fa;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.8rem 1.5rem;
    border: 2px solid var(--primary-color);
    background: var(--card-bg);
    color: var(--primary-color);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.products-section {
    padding: 60px 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.product-item {
    display: block;
}

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.product-image {
    background: linear-gradient(135deg, #3498db, #2c3e50);
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image i {
    font-size: 4rem;
    color: white;
}

.product-info {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.product-info p {
    color: #666;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.product-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.product-features li {
    padding: 0.3rem 0;
    color: #555;
}

.product-features i {
    color: #27ae60;
    margin-right: 0.5rem;
}

.product-price {
    font-size: 1.2rem;
    font-weight: bold;
    color: #e74c3c;
    margin-bottom: 1rem;
}

.product-features-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
}

.feature-icon {
    font-size: 3rem;
    color: #3498db;
    margin-bottom: 1rem;
}

.feature-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

/* 新闻页面样式 - 科技感深色主题 */
.news-categories {
    padding: 2rem 0;
    background: var(--dark-bg);
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.news-section {
    padding: 60px 0;
    background: var(--dark-bg);
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.news-item {
    display: flex;
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(0, 212, 255, 0.12);
    transition: all 0.3s;
    position: relative;
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.22);
}

.news-item:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 20px 42px rgba(0, 212, 255, 0.12);
}

.news-item::before {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: linear-gradient(180deg, rgba(0, 212, 255, 0.95), rgba(123, 44, 191, 0.9));
}

.news-image {
    width: 200px;
    background:
        radial-gradient(circle at top, rgba(0, 212, 255, 0.24), transparent 60%),
        linear-gradient(135deg, rgba(0, 212, 255, 0.14), rgba(123, 44, 191, 0.16));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
}

.news-image i {
    font-size: 3.25rem;
    color: var(--primary-color);
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

.news-content {
    padding: 2rem;
    flex-grow: 1;
}

.news-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.news-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
    letter-spacing: 0.04em;
}

.news-category {
    background: rgba(0, 212, 255, 0.12);
    color: var(--primary-color);
    padding: 0.28rem 0.85rem;
    border-radius: 999px;
    font-size: 0.8rem;
    border: 1px solid rgba(0, 212, 255, 0.18);
}

.news-title {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    transition: color 0.3s;
    line-height: 1.45;
}

.news-title:hover {
    color: var(--primary-color);
}

.news-excerpt {
    color: var(--text-secondary);
    line-height: 1.85;
    margin-bottom: 1.25rem;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.read-more:hover {
    color: var(--accent-color);
    gap: 0.8rem;
}

.read-more i {
    font-size: 0.9rem;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.page-btn {
    padding: 0.5rem 1rem;
    border: 1px solid rgba(0, 212, 255, 0.2);
    background: var(--card-bg);
    color: var(--text-secondary);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
}

.page-btn.active,
.page-btn:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.newsletter-section {
    padding: 80px 0;
    background:
        radial-gradient(circle at top, rgba(0, 212, 255, 0.08), transparent 45%),
        linear-gradient(135deg, rgba(0, 212, 255, 0.08), rgba(123, 44, 191, 0.08));
    color: var(--text-primary);
    text-align: center;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.newsletter-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.newsletter-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    color: var(--text-secondary);
}

.newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 1rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
}

/* 合作页面样式 */
.cooperation-philosophy {
    padding: 80px 0;
    background:
        radial-gradient(circle at top left, rgba(0, 212, 255, 0.08), transparent 38%),
        var(--dark-bg);
}

.philosophy-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 2.5rem;
    border-radius: 24px;
    border: 1px solid rgba(0, 212, 255, 0.12);
    background: linear-gradient(180deg, rgba(18, 22, 34, 0.96), rgba(11, 15, 24, 0.98));
    box-shadow: 0 24px 56px rgba(0, 0, 0, 0.24);
}

.philosophy-text h2 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

.philosophy-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: #c7d2e3;
}

.philosophy-image {
    text-align: center;
}

.philosophy-image i {
    font-size: 8rem;
    color: var(--primary-color);
    opacity: 0.92;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.28);
}

.cooperation-models {
    padding: 80px 0;
    background:
        linear-gradient(180deg, rgba(0, 212, 255, 0.04), transparent 30%),
        var(--dark-bg);
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.model-card {
    background: linear-gradient(180deg, rgba(19, 24, 36, 0.96), rgba(12, 16, 27, 0.98));
    padding: 2rem;
    border-radius: 18px;
    border: 1px solid rgba(0, 212, 255, 0.12);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.24);
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.model-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.28);
    box-shadow: 0 22px 48px rgba(0, 212, 255, 0.12);
}

.model-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.model-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.model-card p {
    color: #c7d2e3;
}

.model-features {
    list-style: none;
    margin-top: 1rem;
}

.model-features li {
    padding: 0.42rem 0;
    color: var(--text-secondary);
    border-top: 1px dashed rgba(120, 160, 210, 0.12);
}

.model-features li::before {
    content: "✓";
    color: #67f0b5;
    font-weight: bold;
    margin-right: 0.5rem;
}

.partners-section {
    padding: 80px 0;
    background: var(--dark-bg);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.partner-category {
    background: linear-gradient(180deg, rgba(17, 22, 34, 0.96), rgba(11, 15, 24, 0.98));
    padding: 2rem;
    border-radius: 18px;
    border: 1px solid rgba(0, 212, 255, 0.12);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
}

.partner-category h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    text-align: left;
}

.partner-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.partner-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(0, 212, 255, 0.08);
    border-radius: 14px;
    transition: background 0.3s, border-color 0.3s, transform 0.3s;
    color: #c7d2e3;
}

.partner-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(0, 212, 255, 0.24);
    transform: translateY(-2px);
}

.partner-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.cooperation-process {
    padding: 80px 0;
    background:
        linear-gradient(180deg, rgba(123, 44, 191, 0.05), transparent 32%),
        var(--dark-bg);
}

.process-timeline {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1.4rem 1.5rem;
    border-radius: 18px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    background: linear-gradient(180deg, rgba(17, 22, 34, 0.92), rgba(11, 15, 24, 0.98));
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(180deg, #1fd6ff, #0098d8);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
    box-shadow: 0 0 18px rgba(0, 212, 255, 0.24);
}

.step-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.step-content p {
    color: var(--text-secondary);
}

.contact-cooperation {
    padding: 80px 0;
    background:
        radial-gradient(circle at top, rgba(0, 212, 255, 0.18), transparent 36%),
        linear-gradient(135deg, #07111f, #0e2840 55%, #0d4f74);
    color: white;
    text-align: center;
    border-top: 1px solid rgba(0, 212, 255, 0.12);
    border-bottom: 1px solid rgba(0, 212, 255, 0.12);
}

.contact-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-content p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: #d6e7f5;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    justify-content: center;
    padding: 1.2rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.contact-item i {
    font-size: 2rem;
    color: #71dbff;
}

.contact-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.contact-item p {
    font-size: 1rem;
    color: #e3eef8;
}

/* 交通指南样式 */
.transportation-guide {
    padding: 80px 0;
    background: #f8f9fa;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.guide-item {
    background: white;
    padding: 2rem;
    text-align: center;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.guide-item:hover {
    transform: translateY(-5px);
}

.guide-icon {
    font-size: 3rem;
    color: #3498db;
    margin-bottom: 1rem;
}

.guide-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.guide-item p {
    color: #666;
    line-height: 1.6;
}

/* 联系页面样式 */
.contact-section {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.map-section h2,
.contact-info-section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #2c3e50;
}

.map-container {
    margin: 2rem 0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.map-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
}

.map-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.contact-info-section {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-item i {
    font-size: 2rem;
    color: #3498db;
    width: 50px;
    text-align: center;
}

.contact-details h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.contact-details p {
    color: #666;
    font-size: 1.1rem;
}

.business-hours {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    margin-top: 2rem;
}

.business-hours h4 {
    color: #2c3e50;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hours-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    color: #666;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-image i {
        font-size: 6rem;
    }

    .features-grid,
    .products-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-content,
    .philosophy-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .timeline::before {
        left: 30px;
    }

    .timeline-content {
        width: calc(100% - 60px);
        margin-left: 60px !important;
    }

    .timeline-date {
        left: 30px;
        transform: translateX(-50%);
    }

    .news-item {
        flex-direction: column;
    }

    .news-image {
        width: 100%;
        height: 150px;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-content h2 {
        font-size: 1.5rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .category-tabs {
        flex-direction: column;
        align-items: center;
    }

    .tab-btn {
        width: 200px;
    }
}
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-image i {
        font-size: 6rem;
    }

    .features-grid,
    .products-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-content h2 {
        font-size: 1.5rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 120px 0 72px;
    }

    .hero-device {
        padding: 1.5rem;
    }

    .hero-device i {
        font-size: 5.5rem;
    }

    .hero-device-stats {
        grid-template-columns: 1fr;
    }

    .hero-trust-item {
        min-width: 100%;
    }
}