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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #0a0a0b;
    color: white;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* 银河背景层 */
#galaxy-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

/* 背景渐变效果 */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(56, 189, 248, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* 导航栏 */
nav {
    display: flex;
    align-items: center;
    padding: 20px 40px;
    background: rgba(0, 217, 255, 0.1);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    z-index: 10;
}

/* 添加动态背景效果 */
nav::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg,
            rgba(255, 0, 128, 0.1),
            rgba(0, 217, 255, 0.1),
            rgba(255, 217, 0, 0.1));
    animation: navBg 10s linear infinite;
    z-index: -1;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 600;
    margin-right: 50px;
    position: relative;
    text-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
}

.nav-logo img {
    width: 30px;
    height: 30px;
    animation: rotateLogo 6s linear infinite;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s;
    padding: 8px 16px;
    border-radius: 20px;
    position: relative;
}

.nav-links a:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00d9ff, #ff0080);
    transition: all 0.3s;
    transform: translateX(-50%);
}

.nav-links a:hover::before {
    width: 80%;
}

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

@keyframes rotateLogo {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.nav-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-box {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 8px 16px;
    color: white;
    width: 300px;
}

.search-box::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

/* 主标题区域 */
.hero {
    text-align: center;
    padding: 80px 20px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 72px;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #00d9ff, #ff0080);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
}

.btn-primary {
    background: white;
    color: black;
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

/* 搜索栏 */
.search-section {
    max-width: 800px;
    margin: 0 auto 30px;
    padding: 0 20px;
}

.search-input {
    width: 100%;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: white;
    font-size: 16px;
}

/* 分类标签栏 */
.category-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin: 0 auto 30px;
    padding: 0 20px;
    max-width: 1200px;
    flex-wrap: wrap;
}

.category-tab {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
}

.category-tab.active {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
}

.category-tab:hover:not(.active) {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.category-tab img {
    width: 24px;
    height: 24px;
}

/* 图标网格 */
.icons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px 60px;
}

.icon-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    opacity: 1;
    transform: scale(1);
    animation: fadeIn 0.5s ease-out;
    z-index: 2;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.icon-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
}

.icon-card:hover::before {
    opacity: 1;
}

.icon-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.icon-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.icon-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(59, 130, 246, 0.2);
    border-radius: 4px;
    font-size: 12px;
    color: #60a5fa;
    margin-bottom: 16px;
}

.icon-actions {
    display: flex;
    gap: 8px;
    justify-content: center;
    opacity: 0.7;
}

.icon-actions button {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    padding: 4px;
    transition: color 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-actions button:hover {
    color: white;
}

.icon-actions img {
    width: 20px;
    height: 20px;
    filter: brightness(0) invert(1) opacity(0.6);
    transition: filter 0.3s;
}

.icon-actions button:hover img {
    filter: brightness(0) invert(1) opacity(1);
}

/* 模态框样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: rgba(20, 20, 30, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow: hidden;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s;
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-title {
    font-size: 24px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.modal-close img {
    width: 24px;
    height: 24px;
    filter: brightness(0) invert(1) opacity(0.6);
    transition: filter 0.3s;
}

.modal-close:hover img {
    filter: brightness(0) invert(1) opacity(1);
}

.modal-body {
    display: flex;
    min-height: 400px;
}

.modal-left {
    width: 30%;
    padding: 40px;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.modal-icon {
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
}

.modal-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.modal-name {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.modal-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(59, 130, 246, 0.2);
    border-radius: 6px;
    font-size: 14px;
    color: #60a5fa;
}

.modal-right {
    width: 70%;
    padding: 40px;
    overflow-y: auto;
}

.modal-description {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
}

.modal-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.info-label {
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    min-width: 80px;
}

.info-value {
    color: rgba(255, 255, 255, 0.9);
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 30px;
}

.modal-btn {
    flex: 1;
    padding: 12px 24px;
    border-radius: 8px;
    border: none;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.modal-btn img {
    width: 20px;
    height: 20px;
}

.modal-btn-primary {
    background: #3b82f6;
    color: white;
}

.modal-btn-primary img {
    filter: brightness(0) invert(1);
}

.modal-btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.modal-btn-secondary img {
    filter: brightness(0) invert(1);
}

.modal-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

footer {
    text-align: center;
    padding: 30px 20px;
    border-top: 1px solid rgba(100, 149, 237, 0.2);
    background: rgba(20, 25, 50, 0.5);
    font-size: 0.9rem;
    color: rgba(224, 231, 255, 0.6);
    position: relative;
    z-index: 2;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .modal-body {
        flex-direction: column;
    }

    .modal-left,
    .modal-right {
        width: 100%;
        border-right: none;
    }

    .modal-left {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding: 30px;
    }

    .nav-logo {
        margin-right: 20px;
    }

    .hero h1 {
        font-size: 48px;
    }

    nav {
        padding: 15px 20px;
    }

    .nav-links {
        display: none;
    }

    .category-tabs {
        gap: 10px;
    }

    .category-tab {
        padding: 10px 16px;
        font-size: 14px;
    }
}