/* Hero / Video Carousel */
html, body { height: 100%; margin: 0; padding: 0; }

.hero-swiper {
    width: 100%;
    height: 100vh;
    overflow: hidden;
    position: relative;
}

.hero-swiper .swiper {
    width: 100%;
    height: 100vh;
}

.hero-swiper .swiper-wrapper {
    height: 100vh;
}

.hero-swiper .swiper-slide {
    height: 100vh;
    width: 100%;
}

/* 视频样式 */
.hero-swiper .swiper-slide video {
    object-fit: cover;
    width: 100%;
    height: 100vh;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
}
.hero-swiper .swiper-slide-active video {
    opacity: 1;
}

/* 文字层样式 */
.hero-swiper .slide-content {
    position: absolute;
    z-index: 2;
    text-align: center;
    top: 66%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    width: 90%;
    max-width: 1200px;
}
.hero-swiper .slide-title {
    font-size: 4.375rem;
    font-weight: 800;
    opacity: 0;
    transform: translateY(20px);
    transition: all 1s ease;
}
.hero-swiper .swiper-slide-active .slide-title {
    opacity: 1;
    transform: translateY(0);
}
.hero-swiper .slide-subtitle {
    font-size: 1.5rem;
    margin-top: 1rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 1s ease 0.3s;
}
.hero-swiper .swiper-slide-active .slide-subtitle {
    opacity: 1;
    transform: translateY(0);
}
.hero-swiper .slide-btn {
    margin-top: 4rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 1s ease 0.6s;
}
.hero-swiper .swiper-slide-active .slide-btn {
    opacity: 1;
    transform: translateY(0);
}

/* 箭头样式：默认隐藏 */
.hero-swiper .swiper-button-next,
.hero-swiper .swiper-button-prev {
    color: white;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 20;
}

.hero-swiper .swiper-button-next:hover,
.hero-swiper .swiper-button-prev:hover {
    opacity: 1 !important;
    pointer-events: auto !important;
}

/* 左右感应区域 */
.hero-swiper .swiper-left,
.hero-swiper .swiper-right {
    position: absolute;
    top: 0;
    width: 20%;
    height: 100%;
    z-index: 15;
    cursor: pointer;
}
.hero-swiper .swiper-left { left: 0; }
.hero-swiper .swiper-right { right: 0; }

/* 分页器样式 */
.hero-swiper .swiper-pagination {
    bottom: 30px !important;
}

.hero-swiper .swiper-pagination-bullet {
    background: white;
    opacity: 0.5;
}

.hero-swiper .swiper-pagination-bullet-active {
    opacity: 1;
}

/* 其他样式 */
.overlay {
    background: rgba(0, 0, 0, 0.3);
}
.animate-fade-in {
    animation: fadeIn 0.6s ease-in;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.hover-scale {
    transition: transform 0.3s ease;
}
.hover-scale:hover {
    transform: scale(1.05);
}
.section-number {
    color: #dd3333;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 2px;
}
.btn-primary {
    background: #dd3333;
    color: white;
    border: 2px solid #dd3333;
    transition: all 0.3s;
}
.btn-primary:hover {
    background: transparent;
    color: #dd3333;
}
.icon-circle {
    width: 80px;
    height: 80px;
    border: 2px solid #dd3333;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #dd3333;
    transition: all 0.3s;
}
.icon-circle:hover {
    background: #dd3333;
    color: white;
}

.marker.active {
    filter: drop-shadow(0 10px 15px rgba(220, 38, 38, 0.3));
}

.location-item.active {
    background-color: #dd3333 !important;
}

.location-item.active * {
    color: #fff !important;
}

/* 响应式字体 */
@media (max-width: 768px) {
    .hero-swiper .slide-title {
        font-size: 3rem;
    }
    .hero-swiper .slide-subtitle {
        font-size: 2rem;
    }
}