/* 谷歌云风格样式 */

:root {
    --gc-primary: #4285f4;
    --gc-primary-dark: #1a73e8;
    --gc-secondary: #34a853;
    --gc-accent: #fbbc05;
    --gc-error: #ea4335;
    --gc-text-primary: #202124;
    --gc-text-secondary: #5f6368;
    --gc-text-tertiary: #80868b;
    --gc-background: #ffffff;
    --gc-surface: #f8f9fa;
    --gc-surface-hover: #f1f3f4;
    --gc-border: #dadce0;
    --gc-shadow-sm: 0 1px 2px 0 rgba(60,64,67,0.3), 0 1px 3px 1px rgba(60,64,67,0.15);
    --gc-shadow-md: 0 1px 3px 0 rgba(60,64,67,0.3), 0 4px 8px 3px rgba(60,64,67,0.15);
    --gc-shadow-lg: 0 1px 3px 0 rgba(60,64,67,0.3), 0 4px 8px 3px rgba(60,64,67,0.15);
    --gc-border-radius: 8px;
    --gc-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 全局样式 */
body {
    font-family: 'Google Sans', 'Roboto', Arial, sans-serif;
    background-color: var(--gc-background);
    color: var(--gc-text-primary);
    line-height: 1.5;
}

/* 导航栏样式 */
.navbar {
    background-color: var(--gc-background) !important;
    border-bottom: 1px solid var(--gc-border);
    box-shadow: var(--gc-shadow-sm);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 500;
    color: var(--gc-primary) !important;
    font-size: 1.5rem;
}

.nav-link {
    color: var(--gc-text-primary) !important;
    font-weight: 400;
    padding: 0.5rem 1rem !important;
    border-radius: var(--gc-border-radius);
    transition: var(--gc-transition);
}

.nav-link:hover {
    background-color: var(--gc-surface-hover);
    color: var(--gc-primary) !important;
}

.nav-link.active {
    color: var(--gc-primary) !important;
    font-weight: 500;
}

/* 搜索区域样式 */
.gc-search-section {
    /* 使用用户提供的背景图片 */
    background-image: url('https://youke1.picui.cn/s1/2025/09/07/68bd06254549a.png');

    background-size: 100% 100%;
    background-position: center;
    background-attachment: fixed;
    padding: 120px 0;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

/* 高斯模糊层 */
.gc-search-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1;
}

.gc-search-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.gc-search-title {
    color: white;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.gc-search-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: 32px;
}

.gc-search-box {
    background: transparent;
    border-radius: 12px;
    padding: 24px;
    box-shadow: none;
}

.gc-search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}

.gc-search-icon {
    position: absolute;
    left: 16px;
    color: #6b7280;
    font-size: 1.25rem;
    z-index: 1;
}

.gc-search-input {
    flex: 1;
    padding: 16px 16px 16px 48px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    font-size: 1.1rem;
    outline: none;
    transition: all 0.3s ease;
    color: white;
}

.gc-search-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.gc-search-input:focus {
    border-color: #4285f4;
    box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.1);
}

.gc-search-button {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: #4285f4;
    color: white;
    border: none;
    border-radius: 6px;
    padding: 10px 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.gc-search-button:hover {
    background: #1a73e8;
    transform: translateY(-50%) translateX(2px);
}

.gc-search-suggestions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.gc-suggestion-label {
    color: #6b7280;
    font-size: 0.9rem;
    font-weight: 500;
}

.gc-suggestion-tag {
    background: rgba(0, 0, 0, 0.3);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.gc-suggestion-tag:hover {
    background: #e5e7eb;
    color: #1a73e8;
    transform: translateY(-1px);
}

/* 响应式调整 - 搜索区域 */
@media (max-width: 768px) {
    .gc-search-section {
        padding: 40px 0;
        border-radius: 0;
    }
    
    .gc-search-title {
        font-size: 2rem;
    }
    
    .gc-search-subtitle {
        font-size: 1.1rem;
    }
    
    .gc-search-box {
        padding: 20px;
        margin: 0 16px;
    }
    
    .gc-search-input {
        font-size: 1rem;
    }
    
    .gc-search-suggestions {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .gc-search-title {
        font-size: 1.75rem;
    }
    
    .gc-search-subtitle {
        font-size: 1rem;
        margin-bottom: 24px;
    }
    
    .gc-search-input {
        padding: 14px 14px 14px 44px;
    }
    
    .gc-search-button {
        padding: 8px 14px;
        font-size: 0.9rem;
    }
    
    .gc-search-suggestions {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .gc-suggestion-label {
        margin-bottom: 8px;
    }
}

/* 按钮样式 */
.btn-gc-primary {
    background-color: var(--gc-primary);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--gc-border-radius);
    transition: var(--gc-transition);
    text-decoration: none;
    display: inline-block;
}

.btn-gc-primary:hover {
    background-color: var(--gc-primary-dark);
    color: white;
    box-shadow: var(--gc-shadow-md);
    transform: translateY(-1px);
}

.btn-gc-secondary {
    background-color: transparent;
    color: var(--gc-primary);
    border: 1px solid var(--gc-primary);
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--gc-border-radius);
    transition: var(--gc-transition);
    text-decoration: none;
    display: inline-block;
}

.btn-gc-secondary:hover {
    background-color: var(--gc-primary);
    color: white;
    box-shadow: var(--gc-shadow-md);
    transform: translateY(-1px);
}

/* 表单样式 */
.gc-form-label {
    font-weight: 500;
    color: var(--gc-text-primary);
    margin-bottom: 0.5rem;
    display: block;
}

.gc-form-control {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--gc-text-primary);
    background-color: var(--gc-background);
    background-clip: padding-box;
    border: 1px solid var(--gc-border);
    border-radius: var(--gc-border-radius);
    transition: var(--gc-transition);
}

.gc-form-control:focus {
    color: var(--gc-text-primary);
    background-color: var(--gc-background);
    border-color: var(--gc-primary);
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(66, 133, 244, 0.25);
}

.gc-form-control::placeholder {
    color: var(--gc-text-tertiary);
    opacity: 1;
}

.gc-form-select {
    display: block;
    width: 100%;
    padding: 0.75rem 2.25rem 0.75rem 1rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--gc-text-primary);
    background-color: var(--gc-background);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m1 6 7 7 7-7'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 16px 12px;
    border: 1px solid var(--gc-border);
    border-radius: var(--gc-border-radius);
    transition: var(--gc-transition);
    appearance: none;
}

.gc-form-select:focus {
    border-color: var(--gc-primary);
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(66, 133, 244, 0.25);
}

.gc-form-text {
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--gc-text-tertiary);
}

.gc-form-check {
    display: block;
    min-height: 1.5rem;
    padding-left: 1.5em;
    margin-bottom: 0.125rem;
}

.gc-form-check-input {
    width: 1em;
    height: 1em;
    margin-top: 0.25em;
    vertical-align: top;
    background-color: var(--gc-background);
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    border: 1px solid var(--gc-border);
    border-radius: 0.25em;
    transition: var(--gc-transition);
    appearance: none;
    color-adjust: exact;
    position: absolute;
    margin-left: -1.5em;
}

.gc-form-check-input:checked {
    background-color: var(--gc-primary);
    border-color: var(--gc-primary);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='m6 10 3 3 6-6'/%3e%3c/svg%3e");
}

.gc-form-check-input:focus {
    border-color: var(--gc-primary);
    outline: 0;
    box-shadow: 0 0 0 0.25rem rgba(66, 133, 244, 0.25);
}

.gc-form-check-label {
    color: var(--gc-text-primary);
    cursor: pointer;
}

.gc-card-header {
    padding: 1.5rem;
    background-color: var(--gc-surface);
    border-bottom: 1px solid var(--gc-border);
    border-top-left-radius: var(--gc-border-radius);
    border-top-right-radius: var(--gc-border-radius);
}

.gc-card-body {
    flex: 1 1 auto;
    padding: 1.5rem;
}

/* 卡片样式 */
.gc-card {
    background: var(--gc-background);
    border: 1px solid var(--gc-border);
    border-radius: var(--gc-border-radius);
    padding: 2rem;
    height: 100%;
    transition: var(--gc-transition);
    position: relative;
    overflow: hidden;
}

.gc-card:hover {
    box-shadow: var(--gc-shadow-lg);
    transform: translateY(-2px);
    border-color: var(--gc-primary);
}

.gc-card-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(66, 133, 244, 0.1);
    color: var(--gc-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.gc-card-title {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--gc-text-primary);
    margin-bottom: 0.75rem;
}

.gc-card-description {
    color: var(--gc-text-secondary);
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.gc-card-link {
    color: var(--gc-primary);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    transition: var(--gc-transition);
}

.gc-card-link:hover {
    color: var(--gc-primary-dark);
}

.gc-card-link i {
    margin-left: 0.25rem;
    transition: transform 0.2s ease;
}

.gc-card-link:hover i {
    transform: translateX(2px);
}

/* 模型卡片样式 */
.gc-model-card {
    background: var(--gc-background);
    border: 1px solid var(--gc-border);
    border-radius: var(--gc-border-radius);
    overflow: hidden;
    transition: var(--gc-transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.gc-model-card:hover {
    box-shadow: var(--gc-shadow-lg);
    transform: translateY(-2px);
}

.gc-model-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background-color: var(--gc-surface);
}

.gc-model-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.gc-model-title {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--gc-text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.gc-model-description {
    color: var(--gc-text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.gc-model-footer {
    padding: 1rem 1.5rem;
    background-color: var(--gc-surface);
    border-top: 1px solid var(--gc-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gc-model-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--gc-text-tertiary);
}

.gc-model-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.gc-model-badge.vip {
    background-color: rgba(251, 188, 5, 0.1);
    color: #f9ab00;
}

.gc-model-badge.cloud {
    background-color: rgba(52, 168, 83, 0.1);
    color: var(--gc-secondary);
}

.gc-model-badge.category {
    background-color: rgba(66, 133, 244, 0.1);
    color: var(--gc-primary);
}

/* Section 样式 */
.gc-section {
    padding: 80px 0;
}

.gc-section-alt {
    background-color: var(--gc-surface);
}

.gc-section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.gc-section-title {
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--gc-text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.gc-section-subtitle {
    font-size: 1.125rem;
    color: var(--gc-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* VIP 推广区域 */
.gc-vip-banner {
    background: linear-gradient(135deg, var(--gc-primary) 0%, var(--gc-primary-dark) 100%);
    color: white;
    padding: 3rem;
    border-radius: var(--gc-border-radius);
    margin: 2rem 0;
    position: relative;
    overflow: hidden;
}

.gc-vip-banner::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
    z-index: 1;
}

.gc-vip-content {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.gc-vip-info h3 {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 1rem;
}

.gc-vip-info p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 0;
}

.gc-vip-price {
    text-align: center;
}

.gc-vip-price h2 {
    font-size: 3rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
}

.gc-vip-price small {
    font-size: 1.25rem;
    opacity: 0.9;
}

.gc-vip-cta {
    background-color: white;
    color: var(--gc-primary);
    border: none;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--gc-border-radius);
    transition: var(--gc-transition);
    text-decoration: none;
    display: inline-block;
    margin-top: 1rem;
}

.gc-vip-cta:hover {
    background-color: var(--gc-surface);
    color: var(--gc-primary-dark);
    box-shadow: var(--gc-shadow-md);
    transform: translateY(-1px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .gc-hero {
        padding: 60px 0;
    }
    
    .gc-hero-title {
        font-size: 2.5rem;
    }
    
    .gc-hero-subtitle {
        font-size: 1.25rem;
    }
    
    .gc-section {
        padding: 60px 0;
    }
    
    .gc-section-title {
        font-size: 2rem;
    }
    
    .gc-vip-content {
        flex-direction: column;
        text-align: center;
    }
    
    .gc-vip-info h3 {
        font-size: 1.5rem;
    }
    
    .gc-vip-price h2 {
        font-size: 2.5rem;
    }
}

@media (max-width: 576px) {
    .gc-hero-title {
        font-size: 2rem;
    }
    
    .gc-hero-subtitle {
        font-size: 1.125rem;
    }
    
    .gc-hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-gc-primary,
    .btn-gc-secondary {
        width: 100%;
        text-align: center;
    }
    
    .gc-section-title {
        font-size: 1.75rem;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.gc-animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 字体导入 */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');

body {
    font-family: 'Roboto', sans-serif;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Google Sans', 'Roboto', sans-serif;
    font-weight: 400;
}

/* 底部栏样式 */
.footer-gc {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 60px 0 20px;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

/* 底部栏背景装饰 */
.footer-gc::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
    z-index: 1;
}

.footer-gc .gc-container {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.footer-gc h5 {
    color: #ffffff;
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 12px;
}

.footer-gc h5::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--gc-primary);
}

.footer-gc ul {
    padding-left: 0;
    list-style: none;
}

.gc-list-unstyled {
    padding-left: 0;
    list-style: none;
}

.footer-gc ul li {
    margin-bottom: 14px;
}

.footer-gc a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--gc-transition);
    display: inline-block;
    position: relative;
}

.footer-gc a::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gc-primary);
    transition: var(--gc-transition);
}

.footer-gc a:hover {
    color: #ffffff;
}

.footer-gc a:hover::before {
    width: 100%;
}

.footer-gc hr {
    border-color: rgba(255, 255, 255, 0.1);
    margin: 40px 0 20px;
}

.footer-gc .copyright {
    text-align: center;
    padding-top: 20px;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-gc .bi {
    font-size: 1.125rem;
    vertical-align: middle;
}

.gc-text-white {
    color: white !important;
}

/* 社交媒体图标样式 */
.footer-gc .mt-3 a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    transition: var(--gc-transition);
    margin-right: 8px;
}

.footer-gc .mt-3 a:hover {
    background: var(--gc-primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(66, 133, 244, 0.3);
}

/* 联系信息样式 */
.footer-gc .gc-list-unstyled li {
    display: flex;
    align-items: center;
}

.footer-gc .gc-list-unstyled li i {
    margin-right: 10px;
    color: var(--gc-primary);
    font-size: 1rem;
}

/* 响应式底部栏 */
@media (max-width: 768px) {
    .footer-gc {
        padding: 40px 0 20px;
        margin-top: 60px;
    }
    
    .footer-gc .gc-container {
        max-width: 90%;
    }
    
    .footer-gc .col-md-3 {
        margin-bottom: 30px;
    }
    
    .footer-gc h5::after {
        width: 30px;
    }
}