/* 糖行心vlog官网网页 - 原创漫画网站样式 */

/* CSS变量 - 随机风格配色 */
:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --bg-dark: #0f172a;
    --bg-light: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --card-bg: #1e293b;
    --card-hover: #334155;
    --border-color: #334155;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-2: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
    height: 70px;
}

.nav-logo .logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
    transition: var(--transition);
}

.logo-emoji {
    font-size: 2rem;
}

.logo-name {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-item {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-item:hover,
.nav-item.active {
    color: var(--primary-color);
}

.nav-item.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-1);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.menu-line {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* 用户菜单 */
.user-menu {
    position: relative;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: var(--transition);
}

.user-info:hover {
    background: rgba(99, 102, 241, 0.1);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.user-name {
    font-weight: 500;
    color: var(--text-primary);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-width: 150px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1000;
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover {
    background: var(--card-hover);
    color: var(--primary-color);
}

/* 消息提示 */
.message-toast {
    position: fixed;
    top: 100px;
    right: 20px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    opacity: 0;
    transform: translateX(100%);
    transition: var(--transition);
    min-width: 250px;
}

.message-toast.show {
    opacity: 1;
    transform: translateX(0);
}

.message-toast.success {
    border-left: 4px solid #10b981;
}

.message-toast.error {
    border-left: 4px solid #ef4444;
}

.message-toast.info {
    border-left: 4px solid var(--primary-color);
}

/* 英雄区域 */
.hero-area {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 70px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-2);
    opacity: 0.8;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
    animation: patternMove 20s ease-in-out infinite;
}

@keyframes patternMove {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-20px, -20px); }
}

.hero-wrapper {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 4rem 20px;
}

.hero-main-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    animation: fadeInUp 1s ease-out;
}

.title-accent {
    display: block;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-primary {
    display: block;
    color: var(--text-primary);
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-search-box {
    display: flex;
    max-width: 600px;
    margin: 0 auto 3rem;
    gap: 10px;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.search-field {
    flex: 1;
    padding: 1rem 1.5rem;
    background: rgba(30, 41, 59, 0.8);
    border: 2px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.search-field:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(30, 41, 59, 0.95);
}

.search-button {
    padding: 1rem 2rem;
    background: var(--gradient-1);
    border: none;
    border-radius: 50px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.search-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hero-numbers {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.number-card {
    text-align: center;
}

.number-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.number-text {
    display: block;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

.scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    animation: bounce 2s infinite;
}

.scroll-icon {
    width: 20px;
    height: 30px;
    border: 2px solid var(--text-muted);
    border-radius: 15px;
    margin: 10px auto 0;
    position: relative;
}

.scroll-icon::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 2px;
    animation: scrollDown 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

@keyframes scrollDown {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(10px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 内容区域 */
.content-area {
    padding: 4rem 0;
}

.content-section {
    margin-bottom: 5rem;
}

.section-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.section-heading {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.75rem;
    font-weight: 700;
}

.heading-icon {
    font-size: 2rem;
}

.view-more {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.view-more:hover {
    gap: 10px;
    color: var(--accent-color);
}

/* 漫画卡片 */
.comic-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.comic-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.comic-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.comic-cover {
    position: relative;
    width: 100%;
    padding-top: 140%;
    overflow: hidden;
    background: var(--bg-light);
}

.comic-cover img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.comic-card:hover .comic-cover img {
    transform: scale(1.1);
}

.comic-info {
    padding: 1rem;
}

.comic-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.comic-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* 分类卡片 */
.category-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
}

.category-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-primary);
}

.category-card:hover {
    background: var(--card-hover);
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.category-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.category-name {
    font-weight: 600;
}

/* 排行榜 */
.rank-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.rank-tab {
    padding: 0.75rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.rank-tab:hover,
.rank-tab.active {
    background: var(--gradient-1);
    border-color: transparent;
    color: white;
}

.rank-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.rank-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    transition: var(--transition);
    cursor: pointer;
}

.rank-item:hover {
    background: var(--card-hover);
    border-color: var(--primary-color);
    transform: translateX(8px);
}

.rank-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 40px;
    text-align: center;
}

.rank-cover {
    width: 80px;
    height: 100px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

.rank-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.rank-details {
    flex: 1;
}

.rank-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.rank-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* SEO内容卡片 */
.seo-content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.seo-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.seo-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.seo-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--bg-light);
}

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

.seo-card:hover .seo-image img {
    transform: scale(1.1);
}

.seo-content {
    padding: 1.5rem;
}

.seo-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.seo-text {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.seo-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.seo-tag {
    padding: 0.25rem 0.75rem;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--primary-color);
}

/* 页脚 */
.site-footer {
    background: var(--bg-light);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1.5rem;
    margin-top: 5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-col p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* 返回顶部按钮 */
.top-button {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    z-index: 999;
}

.top-button.show {
    display: flex;
}

.top-button:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* 登录模态框 */
.login-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(5px);
}

.modal-box {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    max-width: 400px;
    width: 90%;
    position: relative;
    border: 1px solid var(--border-color);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 2rem;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-box h2 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.modal-box form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.modal-box input {
    padding: 0.75rem 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
}

.modal-box input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.modal-box button {
    padding: 0.75rem;
    background: var(--gradient-1);
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.modal-box button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.form-links {
    text-align: center;
    margin-top: 1rem;
}

.form-links a {
    color: var(--primary-color);
    text-decoration: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-list {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--bg-dark);
        width: 100%;
        padding: 2rem;
        border-top: 1px solid var(--border-color);
        transition: var(--transition);
    }

    .nav-list.active {
        left: 0;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-numbers {
        gap: 2rem;
    }

    .comic-cards {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1rem;
    }

    .seo-content-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .section-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-search-box {
        flex-direction: column;
    }

    .search-button {
        width: 100%;
        justify-content: center;
    }

    .hero-numbers {
        gap: 1.5rem;
    }

    .number-value {
        font-size: 2rem;
    }
}

/* 平滑滚动动画 */
.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}