/* ==================== 西安光影文化 - 电影质感高端网站样式 ==================== */
/* 全局变量定义 */
:root {
    --primary-black: #0a0a0a;
    --secondary-black: #141414;
    --accent-black: #1a1a1a;
    --cinema-dark: #0d0d0d;
    --film-grain: rgba(255, 255, 255, 0.03);
    --gold-primary: #c9a962;
    --gold-light: #e8d5a3;
    --gold-dark: #a08040;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #666666;
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px rgba(201, 169, 98, 0.2);
}

/* 基础重置 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--primary-black);
    color: var(--text-primary);
    line-height: 1.8;
    overflow-x: hidden;
}

/* 胶片颗粒背景效果 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.05'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
    opacity: 0.6;
}

/* 链接样式 */
a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

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

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--primary-black);
}

::-webkit-scrollbar-thumb {
    background: var(--gold-dark);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gold-primary);
}

/* ==================== 顶部导航栏 ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.95) 0%, rgba(10, 10, 10, 0) 100%);
    padding: 20px 0;
    transition: var(--transition-smooth);
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.98);
    padding: 15px 0;
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
}

.header-inner,
.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-main {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 3px;
}

.logo-sub {
    font-size: 0.75rem;
    color: var(--gold-primary);
    letter-spacing: 4px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    gap: 50px;
    list-style: none;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    padding: 10px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-primary);
    transition: var(--transition-smooth);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

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

.header-phone {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--gold-primary);
    font-size: 1rem;
    font-weight: 600;
}

/* 导航菜单样式 */
.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 50px;
    list-style: none;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    padding: 10px 0;
    transition: var(--transition-smooth);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-primary);
    transition: var(--transition-smooth);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

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

/* 头部操作区样式 */
.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* 移动端导航 */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-nav-close {
    display: none;
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 5px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--gold-primary);
    color: var(--primary-black);
}

.btn-primary:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--gold-primary);
    border: 1px solid var(--gold-primary);
}

.btn-outline:hover {
    background: var(--gold-primary);
    color: var(--primary-black);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

/* 页面英雄区样式 */
.page-hero {
    position: relative;
    height: 60vh;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--secondary-black) 100%);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
    padding: 0 40px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: 3px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    letter-spacing: 1px;
}

.hero-breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.breadcrumb-separator {
    color: var(--gold-primary);
}

.breadcrumb-current {
    color: var(--gold-primary);
}

/* 关于我们页面样式 */
.about-overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-overview-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 25px;
    letter-spacing: 2px;
}

.about-intro-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 20px;
}

.about-overview-image {
    position: relative;
}

.image-frame {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
}

.image-frame img {
    width: 100%;
    height: auto;
    border-radius: 10px;
}

.frame-decoration {
    position: absolute;
    width: 50px;
    height: 50px;
    border: 2px solid var(--gold-primary);
    opacity: 0.6;
}

.frame-tl {
    top: 20px;
    left: 20px;
    border-right: none;
    border-bottom: none;
}

.frame-tr {
    top: 20px;
    right: 20px;
    border-left: none;
    border-bottom: none;
}

.frame-bl {
    bottom: 20px;
    left: 20px;
    border-right: none;
    border-top: none;
}

.frame-br {
    bottom: 20px;
    right: 20px;
    border-left: none;
    border-top: none;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

.image-frame:hover .image-overlay {
    opacity: 1;
}

.play-btn {
    width: 80px;
    height: 80px;
    background: var(--gold-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.play-btn:hover {
    transform: scale(1.1);
    background: var(--gold-light);
}

.play-btn i {
    font-size: 1.5rem;
    color: var(--primary-black);
    margin-left: 5px;
}

.image-overlay span {
    font-size: 0.9rem;
    color: var(--text-primary);
    letter-spacing: 1px;
}

/* 时间线样式 */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

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

.timeline-item {
    position: relative;
    margin-bottom: 60px;
    display: flex;
    align-items: center;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.marker-dot {
    width: 16px;
    height: 16px;
    background: var(--gold-primary);
    border-radius: 50%;
    z-index: 1;
}

.marker-line {
    width: 2px;
    height: 60px;
    background: var(--gold-primary);
    margin-top: 8px;
}

.timeline-content {
    width: 45%;
    padding: 30px;
    background: var(--accent-black);
    border-radius: 10px;
    border: 1px solid rgba(201, 169, 98, 0.1);
    position: relative;
}

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

.timeline-year {
    display: inline-block;
    padding: 5px 12px;
    background: var(--gold-primary);
    color: var(--primary-black);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 15px;
}

.timeline-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.timeline-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 团队样式 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.team-card {
    text-align: center;
    padding: 30px;
    background: var(--accent-black);
    border-radius: 10px;
    border: 1px solid rgba(201, 169, 98, 0.1);
    transition: var(--transition-smooth);
}

.team-card:hover {
    border-color: var(--gold-primary);
    transform: translateY(-10px);
}

.team-image {
    position: relative;
    margin-bottom: 20px;
}

.team-image img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto;
    border: 3px solid var(--gold-primary);
}

.team-social {
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    background: var(--primary-black);
    padding: 10px;
    border-radius: 25px;
    border: 1px solid var(--gold-primary);
    opacity: 0;
    transition: var(--transition-smooth);
}

.team-card:hover .team-social {
    opacity: 1;
    bottom: 0;
}

.social-link {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gold-primary);
    color: var(--primary-black);
    border-radius: 50%;
    transition: var(--transition-smooth);
}

.social-link:hover {
    background: var(--gold-light);
    transform: scale(1.1);
}

.team-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.team-position {
    font-size: 0.85rem;
    color: var(--gold-primary);
    margin-bottom: 15px;
}

.team-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 设备展示样式 */
.equipment-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.equipment-item {
    padding: 30px;
    background: var(--accent-black);
    border-radius: 10px;
    border: 1px solid rgba(201, 169, 98, 0.1);
    text-align: center;
    transition: var(--transition-smooth);
}

.equipment-item:hover {
    border-color: var(--gold-primary);
    transform: translateY(-10px);
}

.equipment-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-primary) 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.equipment-icon i {
    font-size: 1.5rem;
    color: var(--primary-black);
}

.equipment-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.equipment-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 核心价值观样式 */
.about-values-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.values-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 30px;
    letter-spacing: 2px;
}

.values-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.value-item {
    display: flex;
    gap: 20px;
}

.value-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-primary) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.value-icon i {
    font-size: 1.2rem;
    color: var(--primary-black);
}

.value-text h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.value-text p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.values-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
}

/* 优势展示样式 */
.why-choose-us {
    background: var(--secondary-black);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.advantage-card {
    padding: 30px;
    background: var(--accent-black);
    border-radius: 10px;
    border: 1px solid rgba(201, 169, 98, 0.1);
    text-align: center;
    transition: var(--transition-smooth);
}

.advantage-card:hover {
    border-color: var(--gold-primary);
    transform: translateY(-10px);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-primary) 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.advantage-icon i {
    font-size: 1.5rem;
    color: var(--primary-black);
}

.advantage-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.advantage-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* CTA区域样式 */
.cta-section {
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-primary) 100%);
    padding: 100px 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-black);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.cta-content p {
    font-size: 1.1rem;
    color: var(--primary-black);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 页脚样式 */
.footer {
    background: var(--primary-black);
    padding: 80px 0 40px;
}

.footer-main {
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(201, 169, 98, 0.2);
    margin-bottom: 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.footer-about {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gold-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon i {
    font-size: 1.2rem;
    color: var(--primary-black);
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 2px;
}

.footer-about p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-links h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: 1px;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: var(--gold-primary);
    padding-left: 5px;
}

.footer-contact h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: 1px;
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 15px;
}

.footer-contact i {
    color: var(--gold-primary);
    font-size: 1.1rem;
    margin-top: 5px;
}

.footer-contact span {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* 全方位影视服务样式 */
.comprehensive-services {
    background: var(--secondary-black);
}

.services-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.service-detail-card {
    background: var(--accent-black);
    border: 1px solid rgba(201, 169, 98, 0.1);
    border-radius: 10px;
    padding: 40px 30px;
    transition: var(--transition-smooth);
    text-align: center;
}

.service-detail-card:hover {
    border-color: var(--gold-primary);
    transform: translateY(-10px);
}

.service-detail-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-primary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.service-detail-icon svg {
    width: 40px;
    height: 40px;
    fill: var(--primary-black);
}

.service-detail-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.service-detail-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.service-process-section {
    background: var(--accent-black);
    border-radius: 15px;
    padding: 50px;
    margin-bottom: 60px;
}

.process-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 40px;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.process-step {
    text-align: center;
    position: relative;
}

.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 25px;
    right: -15px;
    width: 30px;
    height: 2px;
    background: var(--gold-primary);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-primary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-black);
    margin: 0 auto 15px;
}

.process-step h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.process-step p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.service-features {
    text-align: center;
}

.features-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 40px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--accent-black);
    border-radius: 10px;
    border: 1px solid rgba(201, 169, 98, 0.1);
}

.feature-item i {
    color: var(--gold-primary);
    font-size: 1.2rem;
}

.feature-item span {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* 视频案例展示样式 */
.video-showcase {
    background: var(--secondary-black);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.video-item {
    background: var(--accent-black);
    border: 1px solid rgba(201, 169, 98, 0.1);
    border-radius: 10px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.video-item:hover {
    border-color: var(--gold-primary);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.video-wrapper {
    position: relative;
    padding-top: 56.25%; /* 16:9 宽高比 */
    overflow: hidden;
}

.case-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.video-item:hover .case-video {
    transform: scale(1.05);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

.video-item:hover .video-overlay {
    opacity: 1;
}

.video-play {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-primary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    transform: scale(0.8);
}

.video-item:hover .video-play {
    transform: scale(1);
}

.video-play i {
    font-size: 2rem;
    color: var(--primary-black);
    margin-left: 5px;
}

.video-title {
    padding: 20px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
}

/* AI视频展示样式 */
.ai-showcase {
    background: var(--primary-black);
}

.category-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin: 40px 0;
}

.filter-btn {
    padding: 12px 30px;
    background: var(--secondary-black);
    border: 2px solid rgba(201, 169, 98, 0.3);
    border-radius: 30px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.filter-btn:hover {
    border-color: var(--gold-primary);
    color: var(--gold-primary);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--gold-primary);
    border-color: var(--gold-primary);
    color: var(--primary-black);
}

.ai-video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.ai-video-item {
    background: var(--accent-black);
    border: 1px solid rgba(201, 169, 98, 0.1);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.ai-video-item:hover {
    border-color: var(--gold-primary);
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.ai-video-wrapper {
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
}

.ai-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.ai-video-item:hover .ai-video {
    transform: scale(1.05);
}

.ai-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

.ai-video-item:hover .ai-video-overlay {
    opacity: 1;
}

.ai-video-item .video-play {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-primary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    transform: scale(0.8);
}

.ai-video-item:hover .video-play {
    transform: scale(1);
}

.ai-video-title {
    padding: 18px;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 5px;
}

.ai-video-tag {
    display: block;
    text-align: center;
    padding: 0 18px 18px;
    font-size: 0.85rem;
    color: var(--gold-primary);
}

/* FAQ样式 */
.faq-section {
    background: var(--primary-black);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 20px;
}

.faq-item {
    background: var(--accent-black);
    border: 1px solid rgba(201, 169, 98, 0.1);
    border-radius: 10px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-item:hover {
    border-color: var(--gold-primary);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    cursor: pointer;
    background: var(--secondary-black);
}

.faq-question h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.faq-toggle {
    width: 30px;
    height: 30px;
    background: var(--gold-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-black);
    font-weight: 700;
    transition: var(--transition-smooth);
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-item.active .faq-answer {
    padding: 20px 30px;
    max-height: 300px;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* SEO内容区域样式 */
.seo-content {
    background: var(--secondary-black);
    padding: 80px 0;
}

.seo-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 50px;
}

.seo-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 50px;
}

.seo-column h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gold-primary);
    margin-bottom: 15px;
}

.seo-column p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 25px;
}

.seo-keywords {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    padding-top: 40px;
    border-top: 1px solid rgba(201, 169, 98, 0.1);
}

.seo-keywords span {
    display: inline-block;
    padding: 8px 16px;
    background: var(--accent-black);
    border: 1px solid rgba(201, 169, 98, 0.2);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.seo-keywords span:hover {
    background: var(--gold-primary);
    color: var(--primary-black);
    border-color: var(--gold-primary);
}

/* 联系页面样式 */
.contact-info-section {
    background: var(--secondary-black);
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.contact-info-card {
    padding: 40px;
    background: var(--accent-black);
    border-radius: 10px;
    border: 1px solid rgba(201, 169, 98, 0.1);
    text-align: center;
    transition: var(--transition-smooth);
}

.contact-info-card:hover {
    border-color: var(--gold-primary);
    transform: translateY(-10px);
}

.info-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-primary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.info-icon i {
    font-size: 2rem;
    color: var(--primary-black);
}

.contact-info-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.info-primary {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gold-primary);
    margin-bottom: 10px;
}

.info-secondary {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.info-link {
    display: inline-block;
    font-size: 0.9rem;
    color: var(--gold-primary);
    font-weight: 500;
    transition: var(--transition-smooth);
}

.info-link:hover {
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .header-inner,
    .header-container {
        padding: 0 30px;
    }
    
    .container {
        padding: 0 30px;
    }
    
    .about-overview-grid,
    .about-values-grid {
        gap: 60px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 992px) {
    .nav-list {
        gap: 30px;
    }
    
    .about-overview-grid,
    .about-values-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .timeline-marker {
        left: 30px;
    }
    
    .timeline-content {
        width: 100%;
        margin-left: 80px !important;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .seo-columns {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .process-step:not(:last-child)::after {
        display: none;
    }
    
    .service-process-section {
        padding: 30px;
    }
    
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .video-item {
        margin-bottom: 20px;
    }
    
    .ai-video-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .category-filter {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 10px 20px;
        font-size: 0.85rem;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--primary-black);
        flex-direction: column;
        justify-content: center;
        gap: 40px;
        transition: var(--transition-smooth);
        z-index: 1001;
        padding: 40px;
    }
    
    .main-nav.active {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 20px;
    }
    
    .nav-link {
        font-size: 1.1rem;
    }
    
    .mobile-nav-toggle {
        display: block;
    }
    
    .mobile-nav-close {
        display: block;
    }
    
    .header-actions .btn {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .page-hero {
        height: 50vh;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 576px) {
    .header-inner,
    .header-container {
        padding: 0 20px;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .timeline-content {
        margin-left: 60px !important;
        padding: 20px;
    }
    
    .contact-form {
        padding: 30px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-about {
        max-width: 100%;
    }
}

.phone-icon {
    width: 18px;
    height: 18px;
    fill: var(--gold-primary);
}

/* ==================== 首页Banner区域 ==================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #0a0a0a 100%);
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(201, 169, 98, 0.1) 0%, transparent 70%);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--gold-primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 15s infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    padding: 0 40px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 24px;
    background: rgba(201, 169, 98, 0.1);
    border: 1px solid var(--gold-primary);
    border-radius: 30px;
    font-size: 0.8rem;
    color: var(--gold-primary);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease forwards;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 25px;
    letter-spacing: 5px;
    animation: fadeInUp 1s ease 0.2s forwards;
    opacity: 0;
    background: linear-gradient(135deg, #ffffff 0%, #c9a962 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    letter-spacing: 2px;
    animation: fadeInUp 1s ease 0.4s forwards;
    opacity: 0;
}

.hero-offer {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 20px 40px;
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-primary) 100%);
    border-radius: 5px;
    margin-bottom: 50px;
    animation: fadeInUp 1s ease 0.6s forwards;
    opacity: 0;
    box-shadow: var(--shadow-glow);
}

.hero-offer-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-black);
}

.hero-offer-badge {
    padding: 5px 12px;
    background: var(--primary-black);
    color: var(--gold-primary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 1s ease 0.8s forwards;
    opacity: 0;
}

.btn {
    padding: 18px 45px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    border-radius: 3px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
}

.btn-primary {
    background: var(--gold-primary);
    color: var(--primary-black);
}

.btn-primary:hover {
    background: var(--gold-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--text-secondary);
}

.btn-secondary:hover {
    border-color: var(--gold-primary);
    color: var(--gold-primary);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 2px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ==================== 通用区块样式 ==================== */
.section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    color: var(--gold-primary);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: 3px;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.9;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ==================== 服务覆盖区域 ==================== */
.coverage {
    background: var(--secondary-black);
}

.coverage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.coverage-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 25px 30px;
    background: var(--accent-black);
    border-radius: 5px;
    border: 1px solid rgba(201, 169, 98, 0.1);
    transition: var(--transition-smooth);
}

.coverage-item:hover {
    border-color: var(--gold-primary);
    transform: translateY(-5px);
}

.coverage-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 169, 98, 0.1);
    border-radius: 50%;
}

.coverage-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--gold-primary);
}

.coverage-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.coverage-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==================== 服务项目展示 ==================== */
.services {
    background: var(--primary-black);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.service-card {
    position: relative;
    padding: 50px 40px;
    background: var(--secondary-black);
    border-radius: 5px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--gold-dark), var(--gold-primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-10px);
}

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

.service-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 169, 98, 0.1);
    border-radius: 10px;
    margin-bottom: 30px;
}

.service-icon svg {
    width: 35px;
    height: 35px;
    fill: var(--gold-primary);
}

.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.service-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 25px;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.service-tag {
    padding: 6px 14px;
    background: rgba(201, 169, 98, 0.1);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--gold-primary);
    letter-spacing: 1px;
}

/* ==================== 案例展示区域 ==================== */
.showcase {
    background: var(--secondary-black);
    overflow: hidden;
}

.showcase-slider {
    position: relative;
    overflow: hidden;
}

.showcase-track {
    display: flex;
    transition: transform 0.5s ease;
}

.showcase-item {
    flex: 0 0 400px;
    padding: 0 20px;
}

.showcase-card {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
}

.showcase-image {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: var(--transition-smooth);
}

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

.showcase-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    transform: translateY(100%);
    transition: var(--transition-smooth);
}

.showcase-card:hover .showcase-overlay {
    transform: translateY(0);
}

.showcase-category {
    display: inline-block;
    padding: 5px 12px;
    background: var(--gold-primary);
    color: var(--primary-black);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.showcase-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.showcase-slider-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 50px;
}

.slider-btn {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-black);
    border: 1px solid rgba(201, 169, 98, 0.3);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.slider-btn:hover {
    background: var(--gold-primary);
    border-color: var(--gold-primary);
}

.slider-btn svg {
    width: 20px;
    height: 20px;
    fill: var(--text-primary);
}

.slider-btn:hover svg {
    fill: var(--primary-black);
}

/* ==================== 为什么选择我们 ==================== */
.advantages {
    background: var(--primary-black);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.advantage-item {
    text-align: center;
    padding: 40px 30px;
}

.advantage-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--gold-primary);
    line-height: 1;
    margin-bottom: 15px;
    opacity: 0.3;
}

.advantage-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.advantage-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ==================== CTA行动号召 ==================== */
.cta-section {
    background: linear-gradient(135deg, var(--secondary-black) 0%, var(--accent-black) 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(201, 169, 98, 0.1) 0%, transparent 70%);
}

.cta-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.cta-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.cta-phone {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 20px 40px;
    background: var(--gold-primary);
    color: var(--primary-black);
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 5px;
    transition: var(--transition-smooth);
}

.cta-phone:hover {
    background: var(--gold-light);
    transform: scale(1.05);
}

/* ==================== 页脚 ==================== */
.footer {
    background: var(--primary-black);
    padding: 80px 0 30px;
    border-top: 1px solid rgba(201, 169, 98, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand {
    max-width: 350px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 3px;
    margin-bottom: 10px;
}

.footer-tagline {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 25px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-black);
    border-radius: 50%;
    transition: var(--transition-smooth);
}

.social-link:hover {
    background: var(--gold-primary);
}

.social-link svg {
    width: 18px;
    height: 18px;
    fill: var(--text-primary);
}

.social-link:hover svg {
    fill: var(--primary-black);
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 2px;
    margin-bottom: 25px;
    text-transform: uppercase;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: var(--gold-primary);
}

.footer-contact-item {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-contact-item svg {
    width: 20px;
    height: 20px;
    fill: var(--gold-primary);
    flex-shrink: 0;
    margin-top: 3px;
}

.footer-contact-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(201, 169, 98, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-credits {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-credits a {
    color: var(--gold-primary);
}

/* ==================== 页面标题区域 ==================== */
.page-header {
    padding: 180px 0 100px;
    background: linear-gradient(135deg, var(--secondary-black) 0%, var(--primary-black) 100%);
    text-align: center;
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(201, 169, 98, 0.08) 0%, transparent 70%);
}

.page-header-content {
    position: relative;
    z-index: 10;
}

.page-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
    letter-spacing: 3px;
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 15px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--gold-primary);
}

/* ==================== 服务详情页面样式 ==================== */
.service-detail {
    padding: 80px 0;
}

.service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 100px;
}

.service-detail-grid:nth-child(even) {
    direction: rtl;
}

.service-detail-grid:nth-child(even) > * {
    direction: ltr;
}

.service-detail-content h3 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.service-detail-content p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 30px;
}

.service-features {
    list-style: none;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.service-features li svg {
    width: 20px;
    height: 20px;
    fill: var(--gold-primary);
    flex-shrink: 0;
}

.service-detail-image {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
}

.service-detail-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.service-detail-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px solid var(--gold-primary);
    border-radius: 10px;
    transform: translate(15px, 15px);
    z-index: -1;
    opacity: 0.3;
}

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

.about-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 10px;
}

.about-image::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 30px;
    right: -30px;
    bottom: -30px;
    border: 2px solid var(--gold-primary);
    border-radius: 10px;
    z-index: -1;
    opacity: 0.3;
}

.about-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 25px;
    letter-spacing: 2px;
}

.about-content p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 20px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid rgba(201, 169, 98, 0.2);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gold-primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* ==================== 团队介绍 ==================== */
.team-section {
    padding: 80px 0;
    background: var(--secondary-black);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.team-card {
    text-align: center;
}

.team-avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 25px;
    border: 3px solid var(--gold-primary);
}

.team-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.team-role {
    font-size: 0.9rem;
    color: var(--gold-primary);
    margin-bottom: 15px;
}

.team-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info h3 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.contact-info > p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 40px;
}

.contact-details {
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 169, 98, 0.1);
    border-radius: 50%;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--gold-primary);
}

.contact-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-item p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-form {
    background: var(--secondary-black);
    padding: 50px;
    border-radius: 10px;
}

.form-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 30px;
    letter-spacing: 1px;
}

.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 15px 20px;
    background: var(--accent-black);
    border: 1px solid rgba(201, 169, 98, 0.2);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--gold-primary);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-submit {
    width: 100%;
    padding: 18px;
    background: var(--gold-primary);
    color: var(--primary-black);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.form-submit:hover {
    background: var(--gold-light);
}

/* ==================== 地图区域 ==================== */
.map-section {
    padding: 0 0 80px;
}

.map-container {
    border-radius: 10px;
    overflow: hidden;
}

.map-container img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 992px) {
    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .service-detail-grid,
    .about-intro-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .service-detail-grid:nth-child(even) {
        direction: ltr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .header-inner {
        padding: 0 20px;
    }
    
    .hero {
        min-height: 600px;
    }
    
    .hero-content {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 2.2rem;
        letter-spacing: 2px;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-offer {
        padding: 15px 25px;
        flex-direction: column;
        gap: 10px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        padding: 15px 35px;
        width: 100%;
        max-width: 280px;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .showcase-item {
        flex: 0 0 300px;
    }
    
    .page-header {
        padding: 150px 0 60px;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-form {
        padding: 30px;
    }
}

/* ==================== 客户评价样式 ==================== */
.testimonials {
    background: var(--secondary-black);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.testimonial-card {
    padding: 40px;
    background: var(--accent-black);
    border-radius: 10px;
    border: 1px solid rgba(201, 169, 98, 0.1);
    transition: var(--transition-smooth);
}

.testimonial-card:hover {
    border-color: var(--gold-primary);
    transform: translateY(-10px);
}

.testimonial-rating {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
}

.testimonial-rating svg {
    width: 20px;
    height: 20px;
    fill: var(--gold-primary);
}

.testimonial-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 30px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.author-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==================== 合作伙伴样式 ==================== */
.partners {
    background: var(--primary-black);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.partner-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
    background: var(--secondary-black);
    border-radius: 10px;
    border: 1px solid rgba(201, 169, 98, 0.1);
    transition: var(--transition-smooth);
}

.partner-item:hover {
    border-color: var(--gold-primary);
    transform: translateY(-5px);
}

.partner-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.partner-logo svg {
    width: 60px;
    height: 60px;
    fill: var(--gold-primary);
    opacity: 0.7;
}

.partner-logo span {
    font-size: 0.9rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

/* ==================== 最新动态样式 ==================== */
.news {
    background: var(--secondary-black);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.news-card {
    background: var(--accent-black);
    border-radius: 10px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.news-card:hover {
    transform: translateY(-10px);
}

.news-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-primary) 100%);
}

.news-image svg {
    width: 60px;
    height: 60px;
    fill: var(--primary-black);
}

.news-content {
    padding: 30px;
}

.news-date {
    display: inline-block;
    padding: 5px 12px;
    background: rgba(201, 169, 98, 0.1);
    color: var(--gold-primary);
    font-size: 0.75rem;
    border-radius: 20px;
    margin-bottom: 15px;
}

.news-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
    line-height: 1.4;
}

.news-excerpt {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.news-link {
    display: inline-block;
    font-size: 0.9rem;
    color: var(--gold-primary);
    font-weight: 500;
    transition: var(--transition-smooth);
}

.news-link:hover {
    text-decoration: underline;
}

/* ==================== 核心业务样式 ==================== */
.about-business {
    background: var(--secondary-black);
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.business-item {
    padding: 30px;
    background: var(--accent-black);
    border-radius: 10px;
    border: 1px solid rgba(201, 169, 98, 0.1);
    transition: var(--transition-smooth);
}

.business-item:hover {
    border-color: var(--gold-primary);
    transform: translateY(-10px);
}

.business-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-primary) 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.business-icon i {
    font-size: 1.5rem;
    color: var(--primary-black);
}

.business-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.business-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ==================== 企业愿景样式 ==================== */
.vision-section {
    background: var(--secondary-black);
}

.vision-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 20px;
}

.vision-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 20px;
}

.vision-text:last-child {
    margin-bottom: 0;
}

/* ==================== 动画增强类 ==================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.hover-lift {
    transition: var(--transition-smooth);
}

.hover-lift:hover {
    transform: translateY(-8px);
}

/* ==================== 胶片边框效果 ==================== */
.film-border {
    position: relative;
    padding: 20px;
    background: var(--secondary-black);
}

.film-border::before,
.film-border::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 30px;
    border: 2px solid var(--gold-primary);
}

.film-border::before {
    top: -5px;
    left: -5px;
    border-right: none;
    border-bottom: none;
}

.film-border::after {
    bottom: -5px;
    right: -5px;
    border-left: none;
    border-top: none;
}

/* ==================== 光晕效果 ==================== */
.glow-effect {
    position: relative;
}

.glow-effect::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(201, 169, 98, 0.2) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}