/* ========================================
   网站展示站 - 样式表
   ======================================== */

/* 重置 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6c5ce7;
    --primary-dark: #5849c2;
    --primary-light: #a29bfe;
    --accent: #e17055;
    --dark: #2d3436;
    --dark-2: #414345;
    --gray: #636e72;
    --gray-light: #b2bec3;
    --bg: #f0f0f3;
    --bg-card: #ffffff;
    --border: #e1e1e6;
    --shadow: 0 4px 20px rgba(0,0,0,.06);
    --shadow-hover: 0 12px 40px rgba(108,92,231,.15);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all .3s cubic-bezier(.4,0,.2,1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 15px;
    line-height: 1.7;
    color: var(--dark);
    background: var(--bg);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

/* 头部 */
.site-header {
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 10px rgba(0,0,0,.03);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -0.5px;
}

.logo span {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 4px;
}

.main-nav a {
    display: block;
    padding: 8px 16px;
    border-radius: 8px;
    color: var(--gray);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

.main-nav a:hover {
    background: var(--bg);
    color: var(--dark);
}

.main-nav a.active {
    background: var(--primary);
    color: #fff;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    padding: 4px 8px;
    color: var(--dark);
}

/* Hero区域 */
.page-hero {
    background: linear-gradient(135deg, #2d3436 0%, #414345 50%, #6c5ce7 100%);
    color: #fff;
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(225,112,85,.2) 0%, transparent 70%);
    border-radius: 50%;
}

.page-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(108,92,231,.25) 0%, transparent 70%);
    border-radius: 50%;
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    font-size: 36px;
    margin-bottom: 12px;
    font-weight: 800;
    letter-spacing: -1px;
}

.page-hero p {
    font-size: 16px;
    opacity: .85;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

.hero-large {
    padding: 80px 0;
}

.hero-large h1 {
    font-size: 42px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 30px;
}

.hero-stats .stat {
    text-align: center;
}

.hero-stats .stat .num {
    font-size: 32px;
    font-weight: 800;
    color: #ffeaa7;
}

.hero-stats .stat .label {
    font-size: 14px;
    opacity: .7;
    margin-top: 4px;
}

/* 分类导航条 */
.category-bar {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
    position: sticky;
    top: 64px;
    z-index: 900;
}

.category-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    justify-content: center;
}

.category-list a {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 7px 18px;
    border-radius: 20px;
    background: var(--bg);
    color: var(--gray);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid transparent;
}

.category-list a:hover {
    background: var(--primary-light);
    color: #fff;
    transform: translateY(-1px);
}

.category-list a.active {
    background: var(--primary);
    color: #fff;
}

.category-list .cat-icon {
    font-size: 16px;
}

/* 网站卡片网格 */
.site-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    padding: 30px 0;
}

.site-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
}

.site-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}

.site-card .thumb-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--dark), var(--dark-2));
}

.site-card .thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}

.site-card:hover .thumb {
    transform: scale(1.08);
}

.site-card .cat-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    background: rgba(108,92,231,.85);
    backdrop-filter: blur(4px);
}

.site-card .rating-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    background: rgba(225,112,85,.9);
    backdrop-filter: blur(4px);
}

.site-card .info {
    padding: 18px;
}

.site-card .info h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--dark);
    font-weight: 700;
}

.site-card .info h3 a {
    color: inherit;
    text-decoration: none;
}

.site-card .info h3 a:hover {
    color: var(--primary);
}

.site-card .info .desc {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.site-card .meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--gray-light);
}

.site-card .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.site-card .tag {
    display: inline-block;
    padding: 2px 8px;
    background: var(--bg);
    border-radius: 4px;
    font-size: 12px;
    color: var(--gray);
}

/* 区块标题 */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 40px 0 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
}

.section-header h2 {
    font-size: 22px;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.section-header h2::before {
    content: '';
    display: block;
    width: 5px;
    height: 22px;
    background: linear-gradient(180deg, var(--primary), var(--accent));
    border-radius: 3px;
}

.section-header .more {
    font-size: 14px;
    color: var(--gray);
    text-decoration: none;
    padding: 4px 12px;
    border-radius: 6px;
    transition: var(--transition);
}

.section-header .more:hover {
    background: var(--primary);
    color: #fff;
}

/* 面包屑 */
.breadcrumb {
    padding: 16px 0;
    font-size: 14px;
    color: var(--gray);
}

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

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span.sep {
    margin: 0 8px;
    color: var(--gray-light);
}

/* 详情页 */
.detail-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 30px;
    padding: 20px 0 40px;
}

.detail-main {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
}

.detail-banner {
    position: relative;
    height: 280px;
    background: linear-gradient(135deg, var(--dark), var(--dark-2));
    overflow: hidden;
}

.detail-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: .7;
}

.detail-banner .banner-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(transparent, rgba(0,0,0,.8));
    color: #fff;
}

.detail-banner .banner-overlay h1 {
    font-size: 28px;
    margin-bottom: 8px;
    font-weight: 800;
}

.detail-banner .banner-overlay .badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.detail-banner .banner-overlay .badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
    background: rgba(255,255,255,.2);
    backdrop-filter: blur(4px);
}

.detail-banner .banner-overlay .badge.rating {
    background: var(--accent);
}

.detail-body {
    padding: 30px;
}

.info-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 16px;
    padding: 20px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    margin-bottom: 30px;
}

.info-bar .info-item {
    text-align: center;
}

.info-bar .info-item .label {
    font-size: 12px;
    color: var(--gray-light);
    margin-bottom: 4px;
}

.info-bar .info-item .value {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
}

.info-bar .info-item .value.green {
    color: #00b894;
}

.info-bar .info-item .value.orange {
    color: var(--accent);
}

.detail-section {
    margin-bottom: 35px;
}

.detail-section h2 {
    font-size: 20px;
    color: var(--dark);
    margin-bottom: 16px;
    padding-left: 12px;
    border-left: 4px solid var(--primary);
    font-weight: 700;
}

.detail-content {
    font-size: 15px;
    line-height: 2;
    color: #555;
}

.detail-content p {
    margin-bottom: 18px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.feature-item {
    padding: 20px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: var(--transition);
}

.feature-item:hover {
    background: #fff;
    border-color: var(--primary-light);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.feature-item .feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 12px;
}

.feature-item h4 {
    font-size: 16px;
    color: var(--dark);
    margin-bottom: 6px;
    font-weight: 700;
}

.feature-item p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.6;
}

.tips-box {
    padding: 24px;
    background: linear-gradient(135deg, #fdcb6e20, #e1705510);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius-sm);
}

.tips-box h3 {
    font-size: 16px;
    color: var(--dark);
    margin-bottom: 10px;
    font-weight: 700;
}

.tips-box p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.8;
}

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 14px;
}

.screenshot-grid img {
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
    aspect-ratio: 8/5;
    object-fit: cover;
}

.screenshot-grid img:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-hover);
}

.detail-sidebar .widget {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 24px;
    margin-bottom: 20px;
}

.detail-sidebar .widget h3 {
    font-size: 16px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
    color: var(--dark);
    font-weight: 700;
}

.btn-primary {
    display: block;
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    text-align: center;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108,92,231,.4);
    text-decoration: none;
    color: #fff;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-cloud a,
.tag-cloud span {
    display: block;
    padding: 5px 14px;
    background: var(--bg);
    border-radius: 6px;
    font-size: 13px;
    color: var(--gray);
    text-decoration: none;
    transition: var(--transition);
}

.tag-cloud a:hover {
    background: var(--primary);
    color: #fff;
}

.sidebar-list {
    list-style: none;
}

.sidebar-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.sidebar-list li:last-child {
    border-bottom: none;
}

.sidebar-list a {
    color: var(--dark);
    font-size: 14px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.sidebar-list a::before {
    content: '25B8';
    color: var(--primary);
}

/* 分类入口卡片 */
.category-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
    padding: 30px 0;
}

.cat-card {
    display: block;
    padding: 30px 20px;
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    text-align: center;
    text-decoration: none;
    color: var(--dark);
    transition: var(--transition);
}

.cat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
    text-decoration: none;
    color: var(--dark);
}

.cat-card .cat-icon {
    font-size: 36px;
    margin-bottom: 12px;
    display: block;
}

.cat-card .cat-name {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}

.cat-card .cat-count {
    font-size: 13px;
    color: var(--gray-light);
}

/* 页脚 */
.site-footer {
    background: var(--dark);
    color: #b2bec3;
    padding: 50px 0 25px;
    margin-top: 50px;
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 30px;
    margin-bottom: 35px;
}

.footer-col h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 16px;
    font-weight: 700;
}

.footer-col p {
    font-size: 14px;
    line-height: 1.8;
    color: #b2bec3;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 10px;
}

.footer-col a {
    color: #b2bec3;
    font-size: 14px;
    text-decoration: none;
    transition: var(--transition);
}

.footer-col a:hover {
    color: #fff;
    padding-left: 4px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #414345;
    font-size: 13px;
    color: #636e72;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--gray);
}

.empty-state .icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--dark);
}

/* 星级 */
.stars {
    color: #fdcb6e;
    font-size: 14px;
    letter-spacing: 1px;
}

.stars em {
    color: var(--gray);
    font-style: normal;
    margin-left: 4px;
    font-size: 13px;
}

/* 关于页面 */
.about-content {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 40px;
    margin: 20px 0;
}

.about-content h2 {
    font-size: 22px;
    margin: 30px 0 15px;
    padding-left: 12px;
    border-left: 4px solid var(--primary);
    font-weight: 700;
}

.about-content h2:first-child {
    margin-top: 0;
}

.about-content p {
    font-size: 15px;
    line-height: 2;
    color: #555;
    margin-bottom: 15px;
}

.about-content ul {
    padding-left: 20px;
    margin-bottom: 15px;
}

.about-content li {
    font-size: 15px;
    line-height: 2;
    color: #555;
}

/* 响应式 */
@media (max-width: 968px) {
    .detail-layout {
        grid-template-columns: 1fr;
    }
    .footer-inner {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    .main-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid var(--border);
        padding: 12px 20px;
        box-shadow: 0 4px 20px rgba(0,0,0,.1);
    }
    .main-nav.open {
        display: block;
    }
    .main-nav ul {
        flex-direction: column;
        gap: 4px;
    }
    .main-nav a {
        padding: 10px 14px;
    }
    .page-hero {
        padding: 40px 0;
    }
    .page-hero h1 {
        font-size: 26px;
    }
    .hero-large {
        padding: 50px 0;
    }
    .hero-large h1 {
        font-size: 30px;
    }
    .hero-stats {
        gap: 20px;
    }
    .hero-stats .stat .num {
        font-size: 24px;
    }
    .detail-banner {
        height: 200px;
    }
    .detail-banner .banner-overlay {
        padding: 20px;
    }
    .detail-banner .banner-overlay h1 {
        font-size: 22px;
    }
    .detail-body {
        padding: 20px;
    }
    .site-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 16px;
    }
    .category-list {
        gap: 6px;
    }
    .category-list a {
        padding: 6px 14px;
        font-size: 13px;
    }
    .category-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .section-header h2 {
        font-size: 18px;
    }
    .about-content {
        padding: 24px;
    }
}