:root {
    /* 颜色变量 */
    --primary: #1CCBB2;
    --primary-light: rgba(0, 245, 212, 0.2);
    --secondary: #00bbf9;
    --secondary-light: rgba(0, 187, 249, 0.2);
    --accent: #9b5de5;
    --accent-light: rgba(155, 93, 229, 0.2);
    --dark: #0d1b2a;
    --darker: #070f17;
    --light: #e2eafc;
    --card-bg: rgba(13, 27, 42, 0.7);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.4);

    /* 尺寸变量 */
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --box-shadow: 0 10px 35px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Microsoft YaHei", sans-serif;
    background: radial-gradient(circle at center, var(--darker), var(--dark));
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: var(--text-primary);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

/* 容器样式 */
.container {
    max-width: 1300px;
    width: 100%;
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    position: relative;
}

.container::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary), var(--secondary), var(--accent));
    z-index: -1;
    border-radius: calc(var(--border-radius-lg) + 2px);
    animation: borderGlow 8s linear infinite;
    background-size: 400%;
    opacity: 0.7;
}

@keyframes borderGlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 头部样式 */
.header {
    padding: 40px 30px 30px;
    text-align: center;
    position: relative;
}

.header h1 {
    font-size: clamp(2rem, 5vw, 2.8rem);
    margin-bottom: 10px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.header p {
    /* font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 25px; */
    padding: 12px;
    margin: 20px auto;
    border-radius: 8px;
    max-width: 99%;
    font-size: 0.75rem;
    backdrop-filter: blur(5px);
}

/* 导航菜单 */
.nav-container {
    margin: 20px auto;
    max-width: 800px;
    width: 100%;
}

.nav-menu {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-item {
    flex: 1;
    min-width: 120px;
    max-width: 200px;
}

.nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 15px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    height: 100%;
}

.nav-link:hover {
    background: rgba(0, 0, 0, 0.5);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.nav-icon {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: var(--primary);
}

.nav-text {
    font-size: 0.95rem;
    font-weight: 500;
}

/* 搜索框 */
.search-container {
    margin: 20px auto;
    max-width: 600px;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 12px 20px;
    border-radius: 50px;
    border: none;
    outline: none;
    font-size: 1rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.9);
    transition: var(--transition);
}

.search-input:focus {
    box-shadow: 0 0 0 3px rgba(0, 187, 249, 0.3);
}

.search-btn {
    position: absolute;
    right: 5px;
    top: 5px;
    background: linear-gradient(135deg, #5A6CCB 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50px;
    padding: 7px 15px;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    opacity: 0.9;
    transform: scale(1.05);
}

/* IP信息 */
.ip-info {
    background: rgba(0, 0, 0, 0.3);
    padding: 12px;
    margin: 0 auto;
    border-radius: var(--border-radius);
    max-width: 99%;
    font-size: 0.7rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 15px rgba(0, 245, 212, 0.1);
}


/* padding: 12px;
margin: 20px auto;
border-radius: 8px;
max-width: 99%;
font-size: 0.75rem;
backdrop-filter: blur(5px); */


.ip-info i {
    color: var(--primary);
}

/* 平台卡片 */
.platforms {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    padding: 30px;
}

.platform-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    padding-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    cursor: pointer;
}

.platform-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.mobile:hover {
    box-shadow: 0 0 15px var(--primary-light);
}

.pc:hover {
    box-shadow: 0 0 15px var(--secondary-light);
}

.admin:hover {
    box-shadow: 0 0 15px var(--accent-light);
}

.card-icon {
    padding: 35px 0 25px;
    font-size: 3.5rem;
    position: relative;
}

.card-icon::after {
    content: '';
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 2px;
    background: currentColor;
    opacity: 0.3;
}

.mobile .card-icon { color: var(--primary); }
.pc .card-icon { color: var(--secondary); }
.admin .card-icon { color: var(--accent); }

.card-content {
    padding: 0 25px 25px;
}

.card-content h2 {
    margin-bottom: 15px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.4rem;
}

.card-content p {
    color: var(--text-secondary);
    margin-bottom: 25px;
    font-size: 1rem;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 28px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: none;
    color: var(--dark);
    z-index: 1;
    cursor: pointer;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    z-index: -1;
    transition: var(--transition);
}

.mobile .btn::before { background: var(--primary); }
.pc .btn::before { background: var(--secondary); }
.admin .btn::before { background: var(--accent); }

.btn:hover {
    color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.btn:hover::before {
    opacity: 0;
}

.mobile .btn {
    background: transparent;
    border: 2px solid var(--primary);
    color: #ffffff;
}
.pc .btn {
    background: transparent;
    border: 2px solid var(--secondary);
    color: #ffffff;
}
.admin .btn {
    background: transparent;
    border: 2px solid var(--accent);
    color: #ffffff;
}

/* 公告部分样式优化 */
.marquee-container {
    background: rgba(0, 0, 0, 0.2);
    padding: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    min-height: 50px;
    backdrop-filter: blur(5px);
}

.marquee-title {
    background: var(--primary);
    color: white;
    padding: 10px;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin: 2px 10px 10px 10px;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 2;
}

.marquee-wrapper {
    padding: 10px 20px 10px 120px;
    position: relative;
    height: 40px;
    overflow: hidden;
}

.marquee-content {
    position: absolute;
    width: 100%;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.marquee-item {
    display: flex;
    align-items: center;
    padding: 8px 0;
    color: var(--text-secondary);
    line-height: 1.4;
    transition: opacity 0.3s ease;
}

.marquee-item a {
    display: flex;
    align-items: center;
    width: 100%;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.marquee-item i {
    margin-right: 10px;
    color: var(--primary);
    flex-shrink: 0;
    font-size: 0.9rem;
}

.marquee-item-text {
    flex-grow: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.9rem;
    font-weight: 500;
}

.marquee-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 0;
    color: var(--text-muted);
    font-style: italic;
}

.loading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.marquee-error {
    padding: 10px 0;
    color: #ff6b6b;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* 页脚 */
.footer {
    text-align: center;
    padding: 25px;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-link {
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    margin: 0 10px;
}

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

.footer-link img {
    width: 16px;
    height: 16px;
    margin-right: 5px;
}

/* 响应式设计 */
@media (min-width: 769px) {
    .marquee-container {
        height: 50px;
    }

    .marquee-wrapper {
        padding-left: 150px;
        height: 50px;
    }

    .marquee-content {
        display: flex;
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 30px 20px;
    }

    .nav-menu {
        flex-direction: column;
        align-items: center;
    }

    .nav-item {
        width: 100%;
        max-width: 300px;
    }

    .platforms {
        grid-template-columns: 1fr;
        padding: 25px 15px;
        gap: 20px;
    }

    .ip-info {
        /* font-size: 0.85rem;
        padding: 10px 15px;
        max-width: 90%; */
        padding: 12px;
        max-width: 99%;
        font-size: 0.7rem;
    }

    .marquee-title {
        position: relative;
        margin: 10px 0 5px 10px;
    }

    .marquee-wrapper {
        padding: 0 15px 10px;
        height: auto;
        min-height: 40px;
    }

    .marquee-item-text {
        white-space: normal;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: 15px;
        font-size: 0.8rem;
    }

    .footer p {
        margin-bottom: 8px;
    }

    .nav-link {
        flex-direction: row;
        justify-content: flex-start;
        text-align: left;
        padding: 10px 15px;
    }

    .nav-icon {
        margin-bottom: 0;
        margin-right: 10px;
        font-size: 1.2rem;
    }
}


/* 浮动窗样式 */
.float-window {
    position: fixed;
    width: 120px;
    height: 150px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    z-index: 999;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.float-window:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.float-window img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

.float-window .float-title {
    padding: 8px;
    font-size: 12px;
    text-align: center;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    background: #f8f8f8;
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.float-window .close-btn {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 16px;
    height: 16px;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    cursor: pointer;
    z-index: 2;
}

@media (max-width: 768px) {
    .float-window {
        width: 100px;
        height: 130px;
    }

    .float-window img {
        height: 85px;
    }
}