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

:root {
    --primary-color: #00f0ff;
    --secondary-color: #7c3aed;
    --accent-color: #00ff88;
    --dark-bg: #0a0a0f;
    --card-bg: rgba(20, 20, 35, 0.8);
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    overflow-x: hidden;
}

.panorama-homepage {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.hero-section {
    position: relative;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #0f0f1a 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(0, 240, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(124, 58, 237, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary-color), 0 0 20px var(--primary-color);
    animation: float 15s infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) translateX(100px);
        opacity: 0;
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 20px;
}

.logo-container {
    margin-bottom: 30px;
}

.hero-title {
    font-size: 72px;
    font-weight: 800;
    letter-spacing: 8px;
    margin-bottom: 20px;
}

.glow-text {
    display: inline-block;
    animation: glow 2s ease-in-out infinite alternate;
}

.glow-text:first-child {
    color: var(--primary-color);
    animation-delay: 0s;
}

.glow-text:last-child {
    color: var(--accent-color);
    animation-delay: 0.5s;
}

@keyframes glow {
    from {
        text-shadow: 0 0 10px var(--primary-color), 0 0 20px var(--primary-color), 0 0 40px var(--primary-color);
    }
    to {
        text-shadow: 0 0 20px var(--primary-color), 0 0 40px var(--primary-color), 0 0 80px var(--primary-color);
    }
}

.hero-subtitle {
    font-size: 24px;
    color: var(--text-secondary);
    margin-bottom: 15px;
    letter-spacing: 4px;
}

.hero-description {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn {
    padding: 15px 40px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    box-shadow: 0 4px 20px rgba(0, 240, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 240, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 20px rgba(0, 240, 255, 0.2);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--dark-bg);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 240, 255, 0.4);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.scroll-line {
    width: 2px;
    height: 60px;
    background: linear-gradient(to bottom, var(--primary-color), transparent);
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }
    50% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(20px);
    }
}

.projects-section .container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.title-line {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.features-section,
.panorama-preview-section,
.projects-section,
.contact-section {
    padding: 100px 0;
    position: relative;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
    opacity: 0;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(0, 240, 255, 0.2);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon img {
    width: 40px;
    height: 40px;
}

.feature-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.feature-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.panorama-preview-section {
    background: linear-gradient(180deg, var(--dark-bg) 0%, #151520 100%);
}

.panorama-wrapper {
    position: relative;
    width: 100%;
    height: 500px;
    border-radius: 20px;
    overflow: hidden;
    border: 2px solid rgba(0, 240, 255, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

#panorama-viewer {
    width: 100%;
    height: 100%;
}

.panorama-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 60%, rgba(10, 10, 15, 0.7) 100%);
    pointer-events: none;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 40px;
}

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

.overlay-content h3 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.5s ease;
    backdrop-filter: blur(10px);
    opacity: 0;
}

.project-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 240, 255, 0.4);
    border-color: rgba(0, 240, 255, 0.6);
}

.project-card:hover .project-title {
    text-shadow: 0 0 20px rgba(0, 240, 255, 0.8);
}

.project-image {
    width: 100%;
    padding-bottom: 75%; /* 4:3 比例 */
    position: relative;
    overflow: hidden;
}

.project-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-card-content {
    padding: 25px;
    background: linear-gradient(to bottom, rgba(10, 10, 15, 0.8), rgba(10, 10, 15, 0.95));
    border-top: 1px solid rgba(0, 240, 255, 0.2);
}

.project-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #00f0ff;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

.project-card-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.project-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-secondary);
    padding-left: 5px;
}

.project-date {
    font-size: 1.5rem;
    color: #707080;
    margin-bottom: 0;
    position: relative;
    opacity: 0.8;
}

.industry-solutions-section {
    padding: 100px 0;
    background: rgba(10, 10, 15, 0.5);
    position: relative;
    overflow: visible;
}

.industry-solutions-section .container {
    max-width: 1440px;
    overflow: visible;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #a0a0b0;
    margin-top: -20px;
    margin-bottom: 40px;
}

.solutions-wrapper {
    position: relative;
    width: calc(100vw - 40px);
    margin-left: calc(50% - 50vw + 20px);
    overflow: visible;
}

.solutions-wrapper::before,
.solutions-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 150px;
    z-index: 1;
    pointer-events: none;
}

.solutions-wrapper::before {
    left: 0;
    background: linear-gradient(to right, rgba(10, 10, 15, 0.9), transparent);
}

.solutions-wrapper::after {
    right: 0;
    background: linear-gradient(to left, rgba(10, 10, 15, 0.9), transparent);
}

.swiper-container {
    width: 100%;
    height: 700px;
    overflow: visible;
}

.swiper-wrapper {
    display: flex;
    align-items: center;
}

.swiper-slide {
    width: 380px;
    height: 700px;
    flex-shrink: 0;
}

.solution-card {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.5s ease;
    width: 100%;
    height: 100%;
}

.solution-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 240, 255, 0.4);
}

.swiper-button-prev,
.swiper-button-next {
    width: 60px;
    height: 60px;
    background: rgba(0, 240, 255, 0.2);
    border: 2px solid #00f0ff;
    border-radius: 50%;
    color: #00f0ff;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    z-index: 10;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.swiper-button-prev:hover,
.swiper-button-next:hover {
    background: rgba(0, 240, 255, 0.4);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.6);
}

.swiper-button-prev::after,
.swiper-button-next::after {
    font-family: 'FontAwesome';
    font-size: 28px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
}

.swiper-button-prev::after {
    content: '\f104';
}

.swiper-button-next::after {
    content: '\f105';
}

.swiper-button-prev {
    left: 20px;
}

.swiper-button-next {
    right: 20px;
}

.swiper-pagination {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    text-align: center;
    z-index: 10;
}

.swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: rgba(0, 240, 255, 0.3);
    border: 2px solid #00f0ff;
    border-radius: 50%;
    margin: 0 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 1;
}

.swiper-pagination-bullet:hover {
    background: rgba(0, 240, 255, 0.5);
}

.swiper-pagination-bullet-active {
    background: #00f0ff;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.8);
    transform: scale(1.2);
}

.solution-image {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.solution-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.solution-card:hover .solution-image img {
    transform: scale(1.1);
}

.solution-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 40%, rgba(0, 240, 255, 0.3) 100%);
    transition: all 0.5s ease;
}

.solution-card:hover .solution-overlay {
    background: linear-gradient(to bottom, transparent 20%, rgba(0, 240, 255, 0.5) 100%);
}

.solution-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(to top, rgba(10, 10, 15, 0.95), transparent);
}

.solution-title {
    font-size: 3rem;
    font-weight: 700;
    color: #00f0ff;
    margin-bottom: 5px;
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

.solution-desc {
    font-size: 1.5rem;
    color: #a0a0b0;
    margin: 0;
}

.news-section {
    padding: 100px 0;
    background: rgba(5, 5, 10, 0.8);
    position: relative;
}

.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 40px;
}

.news-main {
    position: relative;
}

.news-side {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.news-card {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.5s ease;
    opacity: 0;
    transform: translateY(30px);
    display: block;
}

.news-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 240, 255, 0.4);
}

.news-card.large {
    height: 100%;
    min-height: 400px;
}

.news-card.small {
    height: 250px;
}

.news-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover img {
    transform: scale(1.1);
}

.news-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 25px;
    background: linear-gradient(to top, rgba(10, 10, 15, 0.95), transparent);
}

.news-title {
    font-size: 3rem;
    font-weight: 700;
    color: #00f0ff;
    margin-bottom: 10px;
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

.news-card.small .news-title {
    font-size: 1.6rem;
}

.news-date {
    font-size: 1.5rem;
    color: #a0a0b0;
    margin: 0;
}

.project-card .project-info {
    padding: 0 20px;
}

.project-card .project-title {
    font-weight: 700;
    color: #00f0ff;
    margin-bottom: 5px;
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

.project-card .project-scenes {
    font-size: 1.2rem;
    color: var(--primary-color);
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
}

.stats-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item {
    opacity: 0;
}

.stat-number {
    font-size: 64px;
    font-weight: 800;
    color: var(--dark-bg);
    margin-bottom: 10px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.stat-label {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark-bg);
    opacity: 0.9;
}

.contact-section {
    background: linear-gradient(180deg, #151520 0%, var(--dark-bg) 100%);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 25px;
    background: var(--card-bg);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 15px;
    padding: 25px 30px;
    transition: all 0.3s ease;
    opacity: 0;
}

.contact-item:hover {
    border-color: var(--primary-color);
    transform: translateX(10px);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon img {
    width: 30px;
    height: 30px;
}

.contact-text h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.contact-text p {
    font-size: 16px;
    color: var(--primary-color);
}

.footer {
    background: #050508;
    padding: 50px 0 30px;
    border-top: 1px solid rgba(0, 240, 255, 0.2);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.footer-logo h3 {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.footer-logo p {
    font-size: 14px;
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 40px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 14px;
    color: var(--text-secondary);
}

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

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

.fade-in {
    animation: fadeInUp 0.8s ease-out forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1024px) {
    .hero-title {
        font-size: 48px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
        letter-spacing: 4px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-description {
        font-size: 14px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .stat-number {
        font-size: 48px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 25px;
    }
    
    .footer-links {
        gap: 25px;
    }
    
    .panorama-wrapper {
        height: 350px;
    }
}
