/* 引入现代字体 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 现代色彩方案 */
    --primary: #7c3aed;
    --primary-light: #8b5cf6;
    --primary-dark: #6d28d9;
    --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #f97316 0%, #fb923c 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    --card: #ffffff;
    --sidebar: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#app {
    display: flex;
    min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
    width: 280px;
    background: var(--sidebar);
    padding: 24px 0;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow);
    border-right: 1px solid var(--gray-200);
    transition: transform var(--transition-slow);
}

.sidebar-logo {
    font-family: 'Poppins', sans-serif;
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-decoration: none;
    padding: 0 24px 24px;
    display: block;
    border-bottom: 1px solid var(--gray-200);
    letter-spacing: -0.5px;
}

.user-panel {
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--gray-200);
}

.avatar {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-xl);
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 20px;
    box-shadow: var(--shadow);
    transition: transform var(--transition);
}

.avatar:hover {
    transform: scale(1.05);
}

.username {
    font-weight: 600;
    font-size: 17px;
    color: var(--gray-800);
}

.email {
    font-size: 13px;
    color: var(--gray-500);
    font-weight: 400;
}

.auth-btns {
    display: flex;
    gap: 12px;
    margin-top: 12px;
    width: 100%;
    justify-content: center;
}

/* 按钮通用样式 */
.btn {
    padding: 10px 20px;
    border-radius: var(--radius);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    font-family: 'Inter', sans-serif;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.btn:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    100% {
        transform: scale(20, 20);
        opacity: 0;
    }
}

/* 按钮变体 */
.btn-login {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(124, 58, 237, 0.25);
    flex: 1;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(124, 58, 237, 0.35);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
}

.btn-register {
    background: white;
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
    box-shadow: var(--shadow-sm);
    flex: 1;
}

.btn-register:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-logout {
    background: white;
    color: var(--danger);
    border: 2px solid var(--gray-300);
    box-shadow: var(--shadow-sm);
    width: 100%;
}

.btn-logout:hover {
    border-color: var(--danger);
    background: var(--danger);
    color: white;
    transform: translateY(-2px);
}

/* 导航菜单 */
.nav {
    padding: 20px 16px;
    flex: 1;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    color: var(--gray-700);
    text-decoration: none;
    border-radius: var(--radius);
    margin-bottom: 8px;
    transition: all var(--transition);
    font-size: 15px;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: -100%;
    top: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.1;
    transition: left var(--transition);
}

.nav-link i {
    color: var(--gray-500);
    width: 20px;
    text-align: center;
    font-size: 16px;
    transition: all var(--transition);
}

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

.nav-link.active::before {
    left: 0;
}

.nav-link.active i {
    color: var(--primary);
}

.nav-link:hover:not(.active) {
    background: var(--gray-100);
    color: var(--gray-900);
    transform: translateX(4px);
}

.nav-link:hover:not(.active) i {
    color: var(--primary);
}

.sidebar-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--gray-200);
}

/* 主内容区 */
.main {
    flex: 1;
    margin-left: 280px;
    width: calc(100% - 280px);
}

.header {
    background: white;
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 900;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.9);
}

.menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray-700);
    padding: 8px;
    border-radius: var(--radius);
    transition: all var(--transition);
}

.menu-btn:hover {
    background: var(--gray-100);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    padding: 8px 16px;
    border-radius: var(--radius);
    transition: all var(--transition);
}

.user-profile:hover {
    background: var(--gray-100);
}

.user-profile .avatar {
    width: 40px;
    height: 40px;
    font-size: 16px;
}

.user-profile span {
    color: var(--gray-800);
    font-weight: 500;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), 
                url('https://sfile.chatglm.cn/chatglm4/b247b66d-5d06-4934-ad8a-b3b3579d8ad7.jpg') no-repeat center center;
    background-size: cover;
    min-height: 280px;
    color: white;
    padding: 60px 32px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(124, 58, 237, 0.2), rgba(139, 92, 246, 0.2));
}

.hero h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
    background: linear-gradient(90deg, #fff 0%, #f1f5f9 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -1px;
}

.hero p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto 32px;
    line-height: 1.7;
    position: relative;
}

.search-box {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.search-box i {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 18px;
    z-index: 1;
}

.search-box input {
    width: 100%;
    padding: 18px 24px 18px 52px;
    border-radius: var(--radius-xl);
    border: 2px solid transparent;
    outline: none;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition);
    font-family: 'Inter', sans-serif;
}

.search-box input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2), var(--shadow-lg);
}

/* 滑动字幕样式 */
.marquee-container {
    background: linear-gradient(135deg, #7c3aed 0%, #3b82f6 100%);
    margin: 20px auto;
    max-width: 1200px;
    overflow: hidden;
    padding: 0 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.marquee-content {
    display: flex;
    align-items: center;
    white-space: nowrap;
    animation: marquee 30s linear infinite;
}

.marquee-text {
    color: white;
    font-size: 14px;
    font-weight: 500;
    padding: 12px 0;
    display: inline-block;
}

@keyframes marquee {
    0% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(-100%);
    }
}

.marquee-container:hover .marquee-content {
    animation-play-state: paused;
}

/* 广告容器样式 */
.advertisement-container {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin: 20px auto;
    max-width: 1200px;
    overflow: hidden;
    padding: 0 32px;
}

.ad-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
}

.ad-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
}

.ad-title i {
    color: var(--primary);
    font-size: 16px;
}

/* 广告区域（精简为紧凑样式） */
.ad-wrap {
    padding: 20px;
    background: white;
    margin-bottom: 0;
    border-bottom: none;
}

.ad-grid-compact {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    max-width: 100%;
}

.ad-card-compact {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.ad-card-compact:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-light);
}

.ad-link-compact {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.ad-image-compact {
    height: 80px;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.ad-image-compact img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

.ad-card-compact:hover .ad-image-compact img {
    transform: scale(1.05);
}

.ad-content-compact {
    padding: 14px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ad-title-compact {
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-900);
    line-height: 1.3;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ad-desc-compact {
    font-size: 12px;
    color: var(--gray-600);
    line-height: 1.4;
    flex: 1;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ad-cta-compact {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    margin-top: 4px;
    transition: all var(--transition);
    justify-content: flex-end;
}

.ad-card-compact:hover .ad-cta-compact {
    color: var(--primary-dark);
    gap: 8px;
}

.ad-cta-compact i {
    font-size: 10px;
    transition: transform var(--transition);
}

.ad-card-compact:hover .ad-cta-compact i {
    transform: translate(2px, -2px);
}

/* 容器 */
.container {
    padding: 32px;
}

/* 公告 */
.announce {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border-left: 4px solid var(--warning);
    padding: 20px 24px;
    border-radius: var(--radius);
    margin-bottom: 32px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    font-size: 15px;
    box-shadow: var(--shadow);
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.announce i {
    color: var(--warning);
    font-size: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

/* 接口网格 */
.api-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 24px;
}

.api-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out both;
}

.api-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.api-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

/* 接口卡片动画延迟 */
.api-card:nth-child(1) { animation-delay: 0.1s; }
.api-card:nth-child(2) { animation-delay: 0.2s; }
.api-card:nth-child(3) { animation-delay: 0.3s; }
.api-card:nth-child(4) { animation-delay: 0.4s; }
.api-card:nth-child(5) { animation-delay: 0.5s; }
.api-card:nth-child(6) { animation-delay: 0.6s; }

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.api-name {
    font-family: 'Poppins', sans-serif;
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    line-height: 1.3;
}

/* 徽章 */
.badge {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.badge-success { 
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
    box-shadow: 0 2px 4px rgba(16, 185, 129, 0.2);
}
.badge-danger { 
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #991b1b;
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.2);
}
.badge-warning { 
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
    box-shadow: 0 2px 4px rgba(245, 158, 11, 0.2);
}
.badge-gray { 
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    color: #475569;
}

.api-description {
    color: var(--gray-600);
    font-size: 15px;
    line-height: 1.6;
    flex: 1;
}

.card-footer {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
}

/* 详情按钮 */
.btn-details {
    background: white;
    color: var(--primary);
    padding: 12px 24px;
    border-radius: var(--radius);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition);
    border: 2px solid var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.api-meta {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-600);
    align-items: center;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-700);
    margin: 0;
}

.call-count {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 15px;
    margin: 0;
}

.flame {
    animation: flame 1s infinite alternate;
}

@keyframes flame {
    0% { 
        opacity: 0.7; 
        transform: scale(1) rotate(0deg); 
        filter: drop-shadow(0 0 2px currentColor);
    }
    100% { 
        opacity: 1; 
        transform: scale(1.2) rotate(5deg); 
        filter: drop-shadow(0 0 6px currentColor);
    }
}

.btn-details:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.3);
    border-color: transparent;
}

.btn-details i {
    transition: transform var(--transition);
}

.btn-details:hover i {
    transform: translateX(4px);
}

/* 底部 */
.footer {
    text-align: center;
    padding: 40px 32px;
    font-size: 14px;
    color: var(--gray-600);
    background: white;
    border-top: 1px solid var(--gray-200);
    margin-top: 40px;
}

.footer a {
    color: var(--gray-700);
    text-decoration: none;
    margin-left: 12px;
    font-weight: 500;
    transition: color var(--transition);
    position: relative;
}

.footer a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition);
}

.footer a:hover {
    color: var(--primary);
}

.footer a:hover::after {
    width: 100%;
}

/* 加载动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式适配（合并精简） */
@media (max-width: 1200px) {
    .api-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }
    .ad-grid-compact {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-xl);
    }
    .sidebar.show {
        transform: translateX(0);
    }
    .main {
        margin-left: 0;
        width: 100%;
    }
    .menu-btn {
        display: block;
    }
    .overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        display: none;
        backdrop-filter: blur(4px);
    }
    .overlay.show {
        display: block;
        animation: fadeIn 0.3s ease-out;
    }
    .hero {
        min-height: 240px;
        padding: 40px 24px;
    }
    .hero h1 {
        font-size: 36px;
    }
    .hero p {
        font-size: 16px;
    }
}

@media (max-width: 768px) {
    .api-grid {
        grid-template-columns: 1fr;
    }
    .hero {
        min-height: 200px;
        padding: 32px 20px;
    }
    .hero h1 {
        font-size: 28px;
    }
    .hero p {
        font-size: 15px;
        margin-bottom: 24px;
    }
    .search-box input {
        padding: 16px 20px 16px 48px;
        font-size: 15px;
    }
    .container {
        padding: 24px 20px;
    }
    .marquee-container {
        padding: 0 20px;
    }
    
    .advertisement-container {
        padding: 0 20px;
    }
    
    .ad-wrap {
        padding: 16px;
    }
    .ad-grid-compact {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 12px;
    }
    .ad-image-compact {
        height: 80px;
    }
    .ad-content-compact {
        padding: 12px;
        gap: 6px;
    }
    .ad-title-compact {
        font-size: 14px;
    }
    .ad-desc-compact {
        font-size: 11px;
    }
    /* 手机端详情按钮样式 */
    .card-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .api-meta {
        width: 100%;
    }
    .btn-details {
        width: 100%;
        justify-content: center;
        padding: 14px 24px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 24px;
    }
    .hero p {
        font-size: 14px;
    }
    .auth-btns {
        flex-direction: column;
        width: 100%;
    }
    .btn {
        width: 100%;
    }
    .header {
        padding: 12px 20px;
    }
    .ad-grid-compact {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
    .ad-image-compact {
        height: 90px;
    }
    .ad-content-compact {
        padding: 10px;
    }
    .ad-title-compact {
        font-size: 13px;
    }
    .ad-desc-compact {
        display: none;
    }
    .ad-cta-compact {
        font-size: 11px;
        justify-content: center;
        margin-top: 6px;
        padding: 4px 8px;
        background: var(--gray-100);
        border-radius: var(--radius-sm);
    }
}

/* 赞助商样式 */
.sponsors {
    margin-top: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.sponsors img {
    width: 24px;
    height: 24px;
    object-fit: cover;
}

.sponsors a {
    display: flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    color: var(--gray-700);
}

.sponsors span {
    color: var(--gray-600);
    font-size: 13px;
}

/* 额外动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 页面加载动画 */
body {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.api-card {
    cursor: pointer;
}

/* 涟漪动画 */
@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}