/* 火鸟空气能品牌页面样式 */

/* Banner样式 */
.brand-banner {
    position: relative;
    height: 100vh;
    min-height: 800px;
    background: #fff;
}

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

.banner-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(1.2) saturate(0.8) sepia(0.1) contrast(0.95);
}

.banner-bg .bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0.92),
        rgba(255, 255, 255, 0.85)
    );
    background: linear-gradient(
        to right,
        rgba(255, 253, 250, 0.92),
        rgba(255, 253, 250, 0.85)
    );
}

.banner-content {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
}

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

.brand-name {
    margin-bottom: 30px;
}

.brand-name h2 {
    font-size: 48px;
    line-height: 1.4;
    font-weight: 600;
    color: #fff;
}

.brand-desc {
    font-size: 24px;
    line-height: 1.8;
    color: #fff; /* 更柔和的文字颜色 */
}

/* 可选：添加装饰线 */
.brand-name h1::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, #333, transparent);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .brand-banner {
        min-height: 600px;
    }

    .container {
        padding: 0 30px;
    }

    .brand-name h1 {
        font-size: 40px;
    }

    .brand-name h2 {
        font-size: 28px;
    }

    .brand-desc {
        font-size: 16px;
    }
}

/* 文字渐入动画 */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.banner-text {
    animation: fadeInLeft 1s ease-out;
}

/* 火鸟品牌介绍样式 */
.huoniao-intro {
    position: relative;
    min-height: 100vh;
    padding: 80px 0;
    display: flex;
    align-items: center;
    margin-top: 10px;
    overflow: hidden;
}

.huoniao-intro__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.huoniao-intro__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(1.2) saturate(0.8) sepia(0.1);
}

.huoniao-intro__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to right,
        rgba(255, 253, 250, 0.92),
        rgba(255, 253, 250, 0.88)
    );
    backdrop-filter: blur(10px);
}

.huoniao-intro__container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1400px;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
    margin: 0 auto;
    padding: 0 60px;
}

.huoniao-intro__header {
    text-align: left;
    margin-bottom: 60px;
}

.huoniao-intro__tag {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #fff;
    margin-bottom: 15px;
}

.huoniao-intro__header h2 {
    font-size: 48px;
    color: #fff;
    font-weight: 600;
}

.huoniao-intro__content {
    max-width: 800px;
}

.huoniao-intro__text {
    font-size: 16px;
    line-height: 2;
    color: #fff;
}

.huoniao-intro__text p {
    margin-bottom: 20px;
}

.huoniao-intro__text p:last-child {
    margin-bottom: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .huoniao-intro {
        padding: 60px 0;
    }

    .huoniao-intro__container {
        padding: 0 30px;
    }

    .huoniao-intro__header {
        margin-bottom: 40px;
    }

    .huoniao-intro__header h2 {
        font-size: 28px;
    }

    .huoniao-intro__text {
        font-size: 15px;
        line-height: 1.8;
    }
}

/* 火鸟品牌理念样式 */
.huoniao-concept {
    position: relative;
    min-height: 100vh;
    padding: 100px 0;
    display: flex;
    align-items: center;
    margin-top: 10px;
    overflow: hidden;
}

.huoniao-concept__bg {
    position: absolute;
    top: -20px;
    left: -20px;
    width: calc(100% + 40px);
    height: calc(100% + 40px);
}

.huoniao-concept__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(1.2) blur(15px) saturate(0.8);
    transform: scale(1.02);
}

.huoniao-concept__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
}

.huoniao-concept__container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
}

.huoniao-concept__header {
    text-align: center;
    margin-bottom: 80px;
}

.huoniao-concept__tag {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #666;
    margin-bottom: 15px;
}

.huoniao-concept__header h2 {
    font-size: 48px;
    color: #333;
    font-weight: 600;
    position: relative;
    display: inline-block;
}

.huoniao-concept__header h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: #333;
    opacity: 0.2;
}

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

.huoniao-concept__item {
    padding: 20px;
    margin: 20px;
}

.item-card {
    background: #fff;
    border-radius: 20px;
    padding: 40px 30px;
    height: 100%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.item-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

.item-number {
    font-size: 48px;
    font-weight: 600;
    color: #333;
    opacity: 0.15;
    margin-bottom: 25px;
    line-height: 1;
}

.item-content h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
    font-weight: 600;
}

.item-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

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

@media (max-width: 768px) {
    .huoniao-concept {
        padding: 60px 0;
    }

    .huoniao-concept__container {
        padding: 0 20px;
    }

    .huoniao-concept__grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .huoniao-concept__header {
        margin-bottom: 50px;
    }

    .huoniao-concept__header h2 {
        font-size: 28px;
    }

    .item-card {
        padding: 30px 25px;
    }

    .item-number {
        font-size: 40px;
        margin-bottom: 20px;
    }

    .item-content h3 {
        font-size: 20px;
        margin-bottom: 15px;
    }

    .item-content p {
        font-size: 15px;
    }
}

/* 火鸟品牌价值样式 */
.huoniao-value {
    position: relative;
    display: flex;
    align-items: center;
    margin-top: 10px;
    margin-bottom: 20px;
    overflow: hidden;
}

.huoniao-value__bg {
    position: absolute;
    top: -20px;
    left: -20px;
    width: calc(100% + 40px);
    height: calc(100% + 40px);
}

.huoniao-value__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(1.1) blur(20px) saturate(1.2);
    transform: scale(1.1);
}

.huoniao-value__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.85),
        rgba(255, 255, 255, 0.75)
    );
    backdrop-filter: blur(10px) saturate(1.2);
}

.huoniao-value__container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.huoniao-value__header {
    text-align: center;
    margin-bottom: 60px;
}

.huoniao-value__header h2 {
    font-size: 48px;
    color: #333;
    font-weight: 600;
}

.value-timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline-line {
    position: absolute;
    top: 0;
    left: 50%;
    width: 1px;
    height: 100%;
    background: linear-gradient(
        to bottom,
        transparent,
        rgba(0, 0, 0, 0.1) 10%,
        rgba(0, 0, 0, 0.1) 90%,
        transparent
    );
}

.value-item {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.value-item:last-child {
    margin-bottom: 0;
}

.value-item:nth-child(odd) {
    padding-right: 50%;
    padding-left: 20px;
}

.value-item:nth-child(even) {
    flex-direction: row-reverse;
    padding-left: 50%;
    padding-right: 20px;
}

.value-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin: 0 30px;
    backdrop-filter: blur(5px);
}

.value-icon i {
    font-size: 24px;
    color: #333;
}

.value-info {
    width: 380px; /* 统一卡片宽度 */
    min-height: 160px; /* 统一卡片最小高度 */
    background: rgba(255, 255, 255, 0.8);
    padding: 30px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.value-info:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.9);
}

.value-info h3 {
    font-size: 20px;
    color: #333;
    margin-bottom: 15px;
    font-weight: 500;
}

.value-info p {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 10px;
}

.value-info p:last-child {
    margin-bottom: 0;
}

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

/* 响应式调整 */
@media (max-width: 768px) {
    .huoniao-value {
        height: auto;
        min-height: 100vh;
        padding: 60px 0;
    }

    .huoniao-value__container {
        padding: 0 20px;
    }

    .timeline-line {
        left: 30px;
    }

    .value-item {
        margin-bottom: 30px;
    }

    .value-item:nth-child(odd),
    .value-item:nth-child(even) {
        flex-direction: row;
        padding: 0 0 0 60px;
    }

    .value-info {
        width: 100%; /* 移动端宽度自适应 */
        min-height: auto; /* 移动端高度自适应 */
    }

    .value-icon {
        width: 40px;
        height: 40px;
        margin: 0 20px;
    }

    .value-icon i {
        font-size: 20px;
    }
}