/* Banner样式 */
.brand-banner {
    position: relative;
    height: 780px;
    min-height: 600px;
    overflow: hidden;
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.banner-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: zoomOut 1s ease forwards;
}

.banner-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.banner-text {
    max-width: 600px;
    margin-bottom: 60px;
}

.banner-title {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.banner-subtitle {
    font-size: 24px;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease 0.2s forwards;
}

.banner-desc {
    font-size: 16px;
    line-height: 1.8;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease 0.4s forwards;
}

.banner-cards {
    display: flex;
    gap: 40px;
    margin-top: 60px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease 0.6s forwards;
}

.banner-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 20px 40px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.3s ease;
}

.banner-card:hover {
    transform: translateY(-10px);
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.3);
}

.card-text {
    font-size: 18px;
    color: #fff;
    white-space: nowrap;
}

.scroll-down {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: #fff;
    z-index: 2;
    cursor: pointer;
    animation: bounce 2s infinite;
}

.scroll-text {
    display: block;
    font-size: 14px;
    margin-bottom: 10px;
    opacity: 0.8;
}

.scroll-arrow {
    display: block;
    width: 20px;
    height: 20px;
    border-right: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(45deg);
    margin: 0 auto;
}

/* 动画关键帧 */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes zoomOut {
    to {
        transform: scale(1);
    }
}

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

/* 响应式样式 */
@media (max-width: 768px) {
    .brand-banner {
        height: auto;
        min-height: 100vh;
        padding: 100px 0 60px;
    }

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

    .banner-subtitle {
        font-size: 20px;
    }

    .banner-cards {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }
    .banner-content {
        padding: 0 20px;
    }
    .banner-card {
        padding: 15px 30px;
    }

    .card-text {
        font-size: 16px;
    }

    .scroll-down {
        display: none;
    }
}
/* 品牌介绍样式 */
.brand-intro {
    position: relative;
    min-height: 100vh;
    margin-top: 10px;
    overflow: hidden; 
}

.intro-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.intro-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.container {
    position: relative;
    z-index: 2;
}

.intro-content {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 60px 0;
}

.intro-text {
    max-width: 800px;
    text-align: center;
    color: #fff;
}

.section-tag {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
    opacity: 0.8;
}

.intro-text h2 {
    font-size: 36px;
    font-weight: 500;
    margin-bottom: 40px;
}

.brand-text-content {
    max-height: 25vh; /* 使用视窗高度的50%作为最大高度 */
    overflow-y: auto;
    line-height: 2;
    font-size: 16px;
    padding: 0 20px;
    margin: 0 auto;
    text-align: center;
    -ms-overflow-style: none;  /* IE 和 Edge */
    scrollbar-width: none;     /* Firefox */
    opacity: 0.6;
}

/* 自定义滚动条样式 */
.text-content::-webkit-scrollbar {
    display: none;
}

.text-content::-webkit-scrollbar-track {
    background: transparent;
}

.text-content::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.3);
    border-radius: 2px;
}

.text-content::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.5);
}


/* 品牌理念样式 */
.brand-concept {
    position: relative;
    min-height: 100vh;
    padding: 80px 0;
    overflow: hidden; 
    margin-top: 10px;
}

.concept-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.concept-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: blur(8px) brightness(0.9);
}

.container {
    position: relative;
    z-index: 2;
}

.concept-header {
    text-align: center;
    margin-bottom: 60px;
    color: #333;
}

.section-tag {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
    opacity: 0.8;
}

.concept-header h2 {
    font-size: 36px;
    font-weight: 500;
}

.concept-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.concept-item {
    color: #333;
    text-align: center;
    padding: 40px 30px;
}

.item-number {
    font-size: 48px;
    font-weight: 700;
    opacity: 0.5;
    display: block;
    margin-bottom: 20px;
}

.item-content h3 {
    font-size: 24px;
    margin-bottom: 20px;
    font-weight: 500;
}

.item-content p {
    font-size: 16px;
    line-height: 1.8;
    opacity: 0.8;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .concept-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .concept-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .concept-header h2 {
        font-size: 28px;
    }

    .concept-item {
        padding: 30px 20px;
    }
}

/* 品牌价值样式 */
.brand-value {
    position: relative;
    min-height: 100vh;
    padding: 80px 0;
    overflow: hidden;
    margin-top: 10px;
    margin-bottom: 20px;
}

.value-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.value-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: blur(8px) brightness(0.9);
}

.container {
    position: relative;
    z-index: 2;
    color: #fff;
}

.value-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-tag {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
    opacity: 0.8;
}

.value-header h2 {
    font-size: 36px;
    font-weight: 500;
}

.value-content {
    display: flex;
    justify-content: center;
    gap: 100px;
    max-width: 1200px;
    margin: 0 auto;
}

.value-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.value-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.25); 
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 20px;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); 
}


.value-line {
    width: 2px;
    height: 60px;
    background: linear-gradient(to bottom, 
        rgba(255, 255, 255, 0.5), 
        rgba(255, 255, 255, 0.1)
    ); 
    margin-bottom: 20px;
}

.value-info h3 {
    font-size: 24px;
    margin-bottom: 20px;
    font-weight: 500;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.value-info p {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);/
    margin: 8px 0;
}

/* 通用背景样式（可应用于所有带毛玻璃效果的部分） */
.intro-bg img,
.concept-bg img,
.value-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, 
        rgba(255, 255, 255, 0.2), 
        rgba(255, 255, 255, 0.1)
    ); /* 使用白色渐变增加通透感 */
    backdrop-filter: blur(4px);
}
/* 响应式调整 */
@media (max-width: 992px) {
    .value-content {
        gap: 60px;
    }
}

@media (max-width: 768px) {
    .value-content {
        flex-direction: column;
        gap: 60px;
    }

    .value-header {
        margin-bottom: 60px;
    }

    .value-header h2 {
        font-size: 28px;
    }

    .value-line {
        height: 40px;
    }
}

/* 响应式调整 */
@media (max-width: 768px) {
    .intro-text {
        padding: 0 20px;
    }

    .intro-text h2 {
        font-size: 28px;
        margin-bottom: 30px;
    }

    .text-content {
        font-size: 15px;
        line-height: 1.8;
        padding: 0 10px;
    }
}