/* 全局重置与基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

/* 导入金伯体字体 */
@font-face {
    font-family: 'JinBuTi';
    src: url('JinBuTi.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

:root {
    --primary-color: #4682b4;
    --secondary-color: #5f9ea0;
    --accent-color: #6495ed;
    --background-color: #f0f8ff;
    --card-background: rgba(255, 255, 255, 0.9);
    --border-color: rgba(173, 216, 230, 0.3);
    --shadow-color: rgba(173, 216, 230, 0.2);
    --text-color: #4682b4;
    --border-radius-sm: 10px;
    --border-radius-md: 15px;
    --border-radius-lg: 20px;
    --transition-speed: 0.3s;
}

body {
    font-family: 'JinBuTi', 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
    font-size: 16px;
    background: var(--background-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 主要布局容器 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-fluid {
    width: 100%;
    padding: 0 15px;
}

/* 头部样式 */
.main-header {
    background: rgba(240, 248, 255, 0.95);
    box-shadow: 0 2px 15px rgba(173, 216, 230, 0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    max-width: 1200px;
    margin: 0 auto;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    letter-spacing: 1px;
}

.ssl-badge img {
    height: 30px;
    vertical-align: middle;
    transition: transform var(--transition-speed);
}

.ssl-badge img:hover {
    transform: scale(1.1);
}

/* 主要内容区域 */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
    padding: 20px 0;
    background: var(--background-color);
}

/* 搜索区域 */
.search-section {
    padding: 35px 0;
    background: var(--background-color);
    position: relative;
    overflow: hidden;
}

.search-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(173, 216, 230, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(135, 206, 250, 0.1) 0%, transparent 40%);
    z-index: 0;
}

.search-wrapper {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.search-form {
    width: 100%;
}

.search-input-group {
    display: flex;
    gap: 15px;
    align-items: center;
}

.search-input {
    flex: 1;
    padding: 16px 22px;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 17px;
    outline: none;
    transition: all var(--transition-speed);
    background: var(--card-background);
    color: var(--text-color);
    box-shadow: 0 5px 15px var(--shadow-color);
}

.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 8px 20px rgba(173, 216, 230, 0.35);
    background: rgba(255, 255, 255, 1);
}

.search-input::placeholder {
    color: rgba(70, 130, 180, 0.7);
}

.search-button {
    padding: 16px 30px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed);
    box-shadow: 0 5px 15px var(--shadow-color);
    white-space: nowrap;
    min-width: 120px;
}

.search-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(173, 216, 230, 0.5);
    background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
}

/* Widgets区域 */
.widgets-section {
    padding: 20px 0;
    background: var(--background-color);
}

.widgets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 18px;
    margin: 0 auto;
}

.widget-card {
    background: var(--card-background);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 8px 25px var(--shadow-color);
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
}

.widget-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(173, 216, 230, 0.3);
    border-color: rgba(173, 216, 230, 0.5);
}

.widget-card iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* 链接卡片区域 */
.links-section {
    padding: 20px 0;
    background: var(--background-color);
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 18px;
    margin: 0 auto;
}

.link-card {
    background: var(--card-background);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: all var(--transition-speed);
    border: 1px solid var(--border-color);
}

.link-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(173, 216, 230, 0.3);
    border-color: rgba(173, 216, 230, 0.5);
}

.card-link {
    display: block;
    text-decoration: none;
    height: 100%;
}

.card-content {
    padding: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.card-img {
    width: 100%;
    height: auto;
    transition: transform var(--transition-speed);
    border-radius: var(--border-radius-sm);
}

.link-card:hover .card-img {
    transform: scale(1.05);
}

/* SSO区域 */
.sso-section {
    padding: 20px 0;
    background: var(--background-color);
}

.sso-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

.sso-card {
    background: var(--card-background);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 8px 25px var(--shadow-color);
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
    max-width: 400px;
    width: 100%;
}

.sso-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(173, 216, 230, 0.3);
    border-color: rgba(173, 216, 230, 0.5);
}

.sso-link {
    display: block;
    text-decoration: none;
    height: 100%;
}

.sso-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 100%;
}

.sso-img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-sm);
    margin-bottom: 15px;
}

.sso-title {
    color: var(--text-color);
    font-size: 24px;
    font-weight: 700;
    margin: 0;
    transition: all var(--transition-speed);
}

.sso-card:hover .sso-title {
    color: var(--secondary-color);
}

/* 页脚样式 */
.main-footer {
    background: var(--background-color);
    color: var(--text-color);
    padding: 25px 0 15px;
    position: relative;
    border-top: 1px solid var(--border-color);
    margin-top: 30px;
}

.main-footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(173, 216, 230, 0.05) 0%, transparent 30%),
        radial-gradient(circle at 80% 50%, rgba(135, 206, 250, 0.05) 0%, transparent 30%);
    z-index: 0;
}

.footer-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 25px;
    flex-wrap: wrap;
}

.footer-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-icon {
    width: 20px;
    height: 20px;
    vertical-align: middle;
}

.footer-link {
    color: var(--text-color);
    text-decoration: none;
    transition: all var(--transition-speed);
    font-size: 15px;
    white-space: nowrap;
    font-weight: 500;
}

.footer-link:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .container {
        max-width: 100%;
        padding: 0 15px;
    }
    
    .header-content {
        padding: 12px 0;
    }
    
    .logo h1 {
        font-size: 24px;
    }
    
    .search-wrapper {
        padding: 0 15px;
    }
    
    .search-input-group {
        flex-direction: column;
        gap: 15px;
    }
    
    .search-input {
        width: 100%;
        padding: 14px 18px;
        font-size: 16px;
    }
    
    .search-button {
        width: 100%;
        padding: 14px;
        font-size: 16px;
    }
    
    .widgets-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 15px;
    }
    
    .links-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 15px;
    }
    
    .card-content {
        padding: 12px;
    }
    
    .sso-content {
        padding: 18px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
}

@media (max-width: 768px) {
    .main-content {
        gap: 25px;
        padding: 15px 0;
    }
    
    .search-section {
        padding: 30px 0;
    }
    
    .widgets-section,
    .links-section,
    .sso-section {
        padding: 18px 0;
    }
    
    .widgets-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .links-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }
    
    .sso-card {
        max-width: 100%;
    }
    
    .sso-content {
        padding: 15px;
    }
    
    .sso-title {
        font-size: 22px;
    }
    
    .main-footer {
        padding: 20px 0 12px;
        margin-top: 25px;
    }
}

@media (max-width: 576px) {
    .container,
    .container-fluid {
        padding: 0 10px;
    }
    
    .header-content {
        padding: 10px 0;
    }
    
    .logo h1 {
        font-size: 22px;
    }
    
    .ssl-badge img {
        height: 25px;
    }
    
    .search-section {
        padding: 25px 0;
    }
    
    .search-wrapper {
        padding: 0 10px;
    }
    
    .search-input {
        padding: 12px 16px;
        font-size: 15px;
    }
    
    .search-button {
        padding: 12px;
        font-size: 15px;
    }
    
    .links-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .card-content {
        padding: 10px;
    }
    
    .main-footer {
        padding: 20px 0 10px;
    }
    
    .footer-links {
        gap: 12px;
    }
    
    .footer-item {
        gap: 6px;
    }
    
    .footer-icon {
        width: 18px;
        height: 18px;
    }
    
    .footer-link {
        font-size: 14px;
    }
}

@media (max-width: 400px) {
    .links-grid {
        grid-template-columns: 1fr;
    }
    
    .card-content {
        padding: 8px;
    }
    
    .sso-title {
        font-size: 20px;
    }
}