/* 响应式CSS - 简化版 */

:root {
    --primary: #875A7B;
    --secondary: #F8F9FA;
    --accent: #00A09D;
    --text: #212529;
    --border: #dee2e6;
    --white: #ffffff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0;
    min-height: 60px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    margin-right: 2rem;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.top_menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 1.25rem;
    align-items: center;
}

.top_menu .nav-link {
    display: block;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    text-decoration: none;
    color: var(--text);
    transition: all 0.3s;
    white-space: nowrap;
}

.top_menu .nav-link:hover {
    background: rgba(135, 90, 123, 0.1);
}

.top_menu .nav-link.active {
    background: var(--primary);
    color: var(--white);
}

.language-switch {
    position: relative;
}

.language-switch > a {
    display: block;
    padding: 0.5rem 1rem;
    text-decoration: none;
    color: var(--text);
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 120px;
    background: var(--white);
    border-radius: 0.375rem;
    box-shadow: var(--shadow);
    display: none;
    z-index: 1000;
    padding: 0.5rem 0;
    list-style: none;
}

.language-switch:hover .language-dropdown {
    display: block;
}

.language-dropdown a {
    display: block;
    padding: 0.5rem 1rem;
    text-decoration: none;
    color: var(--text);
}

.language-dropdown a:hover {
    background: rgba(135, 90, 123, 0.1);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

img {
    max-width: 100%;
    height: auto;
}

.btn-primary, .cta-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 0.375rem;
    transition: all 0.3s;
}

@media (max-width: 767px) {
    .navbar {
        flex-wrap: wrap;
        padding: 0.5rem 0;
    }
    
    .top_menu {
        display: flex !important;
        flex-wrap: wrap;
        gap: 0.5rem;
        justify-content: center;
        width: 100%;
        margin-top: 0.5rem;
    }
    
    .top_menu .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
    }
    
    .navbar-brand {
        margin-right: auto;
    }
    
    .navbar-brand img {
        height: 32px;
    }
    
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    
    .container {
        padding: 0 1rem;
    }
    
    .btn-primary, .cta-button {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 479px) {
    .top_menu {
        gap: 0.25rem;
    }
    
    .top_menu .nav-link {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
    }
    
    .navbar-brand img {
        height: 28px;
    }
}

/* Services 4项内容移动端单列显示 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.feature-card {
    padding: 1.5rem;
    background: var(--white);
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
}

@media (max-width: 767px) {
    .features-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem;
    }
    
    .feature-card {
        padding: 1rem;
    }
    
    .brand-slogan {
        white-space: normal !important;
        font-size: 1.2rem !important;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .brand-slogan-container {
        padding: 20px !important;
        margin: 20px 0 !important;
    }
    
    /* Services页Our Process 4步骤移动端单列显示 */
    .process-steps {
        grid-template-columns: 1fr !important;
        gap: 1rem;
    }
    
    .process-step {
        padding: 1rem;
    }
}

/* Services页Advanced solutions移动端自适应换行 */
.hero-section p {
    word-wrap: break-word;
    overflow-wrap: break-word;
}

@media (max-width: 767px) {
    .hero-section {
        padding: 1.5rem 1rem;
    }
    
    .hero-section h1 {
        font-size: 1.3rem;
    }
    
    .hero-section p {
        font-size: 0.9rem;
        line-height: 1.5;
        margin-bottom: 0.75rem;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
}

/* Header导航移动端换行 */
@media (max-width: 767px) {
    .navbar {
        display: flex !important;
        flex-wrap: wrap !important;
        justify-content: space-between !important;
        align-items: center !important;
        padding: 0.5rem 0 !important;
        min-height: 60px !important;
    }
    
    .navbar-brand {
        flex-shrink: 0 !important;
        display: flex !important;
        align-items: center !important;
        margin-right: auto !important;
    }
    
    .navbar-brand img {
        height: 32px !important;
    }
    
    .top_menu {
        display: flex !important;
        flex-wrap: wrap !important;
        justify-content: center !important;
        width: 100% !important;
        margin-top: 0.5rem !important;
        gap: 0.5rem !important;
    }
    
    .top_menu .nav-link {
        padding: 0.4rem 0.6rem !important;
        font-size: 0.8rem !important;
        white-space: nowrap !important;
    }
}