/* 解决方案页面样式 */

/* 顶部横幅区域 */
.solutions-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    padding: 120px 0 80px;
    text-align: center;
    margin-top: -80px;
    position: relative;
    overflow: hidden;
}

.solutions-hero h1 {
    font-size: 3em;
    margin-bottom: 15px;
    animation: fadeInUp 0.6s ease;
    font-weight: 700;
}

.solutions-hero .hero-subtitle {
    font-size: 1.8em;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 20px;
    animation: fadeInUp 0.7s ease;
    line-height: 1.4;
    font-weight: 500;
}

.solutions-hero .hero-description {
    font-size: 1.1em;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto 40px;
    animation: fadeInUp 0.8s ease;
    line-height: 1.6;
}

.hero-image {
    max-width: 100%;
    height: auto;
    margin-top: 30px;
    animation: fadeInUp 1s ease;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    border-radius: 8px;
}

/* 产品介绍区域 */
.product-intro {
    padding: 80px 0;
    background: #fff;
}

.intro-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.intro-left {
    display: flex;
    align-items: center;
    gap: 30px;
    flex: 1;
}

.intro-logo {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.intro-logo img {
    width: 100%;
    height: auto;
}

.intro-text {
    position: relative;
}

.intro-text h2 {
    font-size: 2.2em;
    color: var(--primary-color);
    margin-bottom: 5px;
    font-weight: 600;
}

.intro-subtitle {
    font-size: 1.2em;
    color: var(--dark-gray);
    margin-bottom: 10px;
}

.intro-bg-title {
    position: absolute;
    font-size: 6em;
    color: rgba(0,0,0,0.05);
    font-weight: 800;
    top: -40px;
    left: -20px;
    z-index: 0;
    letter-spacing: 2px;
    white-space: nowrap;
}

.intro-right {
    flex: 1;
    font-size: 1.1em;
    line-height: 1.8;
    color: var(--text-color);
}

/* 三端协同区域 */
.three-terminal {
    padding: 80px 0;
    background: #f8f9fa;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.three-terminal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.05;
    z-index: 0;
}

.section-title {
    font-size: 2.5em;
    color: var(--primary-color);
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.section-subtitle {
    font-size: 1.2em;
    color: var(--dark-gray);
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.terminal-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 60px;
    position: relative;
    z-index: 1;
    padding: 40px 0;
}

.terminal-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 35px;
    position: relative;
    padding: 35px;
    border-radius: 20px;
    transition: all 0.4s ease;
}

.terminal-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.terminal-item:hover {
    transform: translateY(-15px);
}

.terminal-item:hover::before {
    opacity: 1;
}

.terminal-item img {
    width: 360px;
    height: 360px;
    object-fit: contain;
    transition: all 0.4s ease;
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.15));
}

.terminal-item:hover img {
    width: 460px;
    height: 460px;
    transform: scale(1.15) rotate(5deg);
    filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.2));
}

.terminal-item span {
    font-size: 1.3em;
    font-weight: 600;
    color: var(--text-color);
    text-align: center;
    transition: color 0.3s ease;
}

.terminal-item:hover span {
    color: var(--primary-color);
}

/* 终端详情区域 */
.terminal-detail {
    padding: 80px 0;
    position: relative;
}

.management-terminal {
    background: #fff;
}

.warehouse-terminal {
    background: #f8f9fa;
}

.user-terminal {
    background: #fff;
}

.terminal-header {
    text-align: center;
    margin-bottom: 60px;
}

.terminal-title {
    font-size: 2.2em;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.terminal-subtitle {
    font-size: 1.2em;
    color: var(--dark-gray);
}

.terminal-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.terminal-content.reverse {
    flex-direction: row-reverse;
}

.terminal-image {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.terminal-image img {
    width: 360px;
    height: 360px;
    object-fit: contain;
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    border-radius: 20px;
    padding: 20px;
    background: #fff;
    transition: transform 0.3s ease;
}

.terminal-image:hover img {
    transform: translateY(-10px);
}

.terminal-image span {
    font-size: 1.2em;
    font-weight: 500;
    color: var(--text-color);
}

.terminal-features {
    flex: 1;
}

.feature-item {
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    background: #fff;
}

.feature-header {
    padding: 15px 20px;
    background: var(--light-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background 0.3s ease;
}

.feature-item.active .feature-header {
    background: var(--primary-color);
    color: #fff;
}

.feature-header span {
    font-size: 1.1em;
    font-weight: 500;
}

.toggle-icon {
    transition: transform 0.3s ease;
}

.feature-item.active .toggle-icon {
    transform: rotate(180deg);
}

.feature-description {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    background: #fff;
}

.feature-item.active .feature-description {
    padding: 15px 20px;
    max-height: 200px;
}

/* 仓库端和用户端特殊样式 */
.warehouse-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.feature-group {
    margin-bottom: 0;
}

.feature-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 25px 15px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.feature-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.feature-box img {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
    transition: transform 0.3s ease;
}

.feature-box:hover img {
    transform: scale(1.1);
}

.feature-box span {
    font-size: 1em;
    line-height: 1.5;
    color: var(--text-color);
}

/* 联系我们区域 */
.contact-section {
    padding: 80px 0;
    background: #f8f9fa;
    text-align: center;
}

.contact-title {
    font-size: 1.5em;
    color: var(--text-color);
    margin-bottom: 30px;
}

.contact-form {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-form input {
    padding: 12px 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1em;
    width: 200px;
}

.contact-btn {
    padding: 12px 30px;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.3s ease;
}

.contact-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
}

.contact-tip {
    font-size: 1em;
    color: var(--dark-gray);
    margin-bottom: 10px;
}

.contact-tel {
    font-size: 1.5em;
    font-weight: 600;
    color: var(--primary-color);
}

.contact-tel span {
    font-size: 0.6em;
    font-weight: normal;
    color: var(--dark-gray);
    margin-left: 15px;
}

/* 响应式样式 */
@media (max-width: 992px) {
    .intro-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .terminal-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .terminal-content.reverse {
        flex-direction: column;
    }
    
    .warehouse-features {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto 30px;
    }
    
    .contact-form input {
        width: 100%;
    }
    
    .contact-btn {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .solutions-hero {
        padding: 100px 0 60px;
    }
    
    .solutions-hero h1 {
        font-size: 2.2em;
    }

    .solutions-hero .hero-subtitle {
        font-size: 1.4em;
    }
    
    .solutions-hero .hero-description {
        font-size: 1em;
    }

    .terminal-display {
        flex-direction: column;
        gap: 40px;
    }
    
    .intro-left {
        flex-direction: column;
        text-align: center;
    }
    
    .intro-bg-title {
        display: none;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}