/**
 * 海角网 - 全新原创样式表
 * 网站：mlyydc.cn
 * 风格：赛博朋克霓虹风格
 */

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

:root {
    --neon-purple: #9b59b6;
    --neon-pink: #e91e63;
    --neon-coral: #ff6f61;
    --dark-bg: #0d1b2a;
    --darker-bg: #091420;
    --gold-accent: #ffd700;
    --text-white: #ffffff;
    --text-gray: #b0b0b0;
    --gradient-neon: linear-gradient(135deg, #9b59b6 0%, #e91e63 50%, #ff6f61 100%);
    --gradient-dark: linear-gradient(180deg, #0d1b2a 0%, #091420 100%);
    --glow-purple: 0 0 20px rgba(155, 89, 182, 0.5);
    --glow-pink: 0 0 20px rgba(233, 30, 99, 0.5);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--gradient-dark);
    color: var(--text-white);
    line-height: 1.6;
    min-height: 100vh;
}

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

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== 顶部导航 ========== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13, 27, 42, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(155, 89, 182, 0.3);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.site-logo img {
    height: 42px;
    width: auto;
}

.site-logo span {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.main-nav a {
    padding: 10px 20px;
    font-size: 0.95rem;
    color: var(--text-gray);
    border-radius: 25px;
    position: relative;
    overflow: hidden;
}

.main-nav a::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-neon);
    opacity: 0;
    transition: var(--transition);
    border-radius: 25px;
}

.main-nav a:hover::before,
.main-nav a.active::before {
    opacity: 1;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--text-white);
}

.main-nav a span {
    position: relative;
    z-index: 1;
}

.search-toggle {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(155, 89, 182, 0.2);
    border: 1px solid rgba(155, 89, 182, 0.4);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.search-toggle:hover {
    background: var(--neon-purple);
    box-shadow: var(--glow-purple);
}

/* 搜索框 */
.search-overlay {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(13, 27, 42, 0.98);
    padding: 30px 0;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.search-overlay.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.search-box {
    display: flex;
    max-width: 700px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(155, 89, 182, 0.5);
    border-radius: 50px;
    overflow: hidden;
}

.search-box input {
    flex: 1;
    padding: 16px 28px;
    background: transparent;
    border: none;
    color: var(--text-white);
    font-size: 1rem;
    outline: none;
}

.search-box input::placeholder {
    color: var(--text-gray);
}

.search-box button {
    padding: 16px 32px;
    background: var(--gradient-neon);
    border: none;
    color: var(--text-white);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.search-box button:hover {
    filter: brightness(1.1);
}

/* ========== Hero区域 ========== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/hero-main.jpg') center/cover no-repeat;
    opacity: 0.3;
    z-index: -1;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to top, var(--dark-bg), transparent);
    z-index: 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-text h1 .brand {
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text .subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 40px;
}

.hero-tag {
    padding: 8px 20px;
    background: rgba(155, 89, 182, 0.2);
    border: 1px solid rgba(155, 89, 182, 0.4);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-white);
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--gradient-neon);
    color: var(--text-white);
    box-shadow: var(--glow-pink);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(233, 30, 99, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    border-color: var(--neon-pink);
    background: rgba(233, 30, 99, 0.1);
}

/* Hero视频预览卡片 */
.hero-videos {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.hero-video-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 16/10;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    transition: var(--transition);
}

.hero-video-card:first-child {
    grid-column: span 2;
    aspect-ratio: 16/9;
}

.hero-video-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow-purple);
}

.hero-video-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-video-card .play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: var(--gradient-neon);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.hero-video-card:hover .play-btn {
    opacity: 1;
}

.hero-video-card .play-btn::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 16px solid white;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    margin-left: 4px;
}

/* ========== 面包屑导航 ========== */
.breadcrumb {
    padding: 20px 0;
    background: rgba(0, 0, 0, 0.3);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-gray);
}

.breadcrumb-list a {
    color: var(--neon-purple);
}

.breadcrumb-list a:hover {
    color: var(--neon-pink);
}

.breadcrumb-list .separator {
    color: var(--text-gray);
}

/* ========== 视频网格区域 ========== */
.section {
    padding: 80px 0;
}

.section-dark {
    background: var(--darker-bg);
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* 视频瀑布流 */
.video-masonry {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.video-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(155, 89, 182, 0.2);
    transition: var(--transition);
}

.video-card:hover {
    transform: translateY(-8px);
    border-color: var(--neon-purple);
    box-shadow: var(--glow-purple);
}

.video-thumb {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

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

.video-card:hover .video-thumb img {
    transform: scale(1.05);
}

.video-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    background: var(--gradient-neon);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    cursor: pointer;
}

.video-card:hover .video-play {
    opacity: 1;
}

.video-play::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 14px solid white;
    border-top: 9px solid transparent;
    border-bottom: 9px solid transparent;
    margin-left: 3px;
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    padding: 4px 10px;
    background: rgba(0, 0, 0, 0.8);
    border-radius: 4px;
    font-size: 0.8rem;
}

.video-info {
    padding: 20px;
}

.video-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-gray);
}

.video-author {
    display: flex;
    align-items: center;
    gap: 8px;
}

.video-stats {
    display: flex;
    gap: 12px;
}

/* ========== 创作者聚光灯 ========== */
.creators-section {
    padding: 80px 0;
    overflow: hidden;
}

.creators-scroll {
    display: flex;
    gap: 30px;
    padding: 20px 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.creators-scroll::-webkit-scrollbar {
    display: none;
}

.creator-card {
    flex-shrink: 0;
    width: 200px;
    text-align: center;
    padding: 30px 20px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    border: 1px solid rgba(155, 89, 182, 0.2);
    transition: var(--transition);
}

.creator-card:hover {
    border-color: var(--neon-pink);
    box-shadow: var(--glow-pink);
}

.creator-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto 16px;
    padding: 4px;
    background: var(--gradient-neon);
    position: relative;
}

.creator-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.creator-avatar::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: var(--gradient-neon);
    z-index: -1;
    filter: blur(10px);
    opacity: 0;
    transition: var(--transition);
}

.creator-card:hover .creator-avatar::after {
    opacity: 0.6;
}

.creator-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.creator-role {
    font-size: 0.85rem;
    color: var(--text-gray);
}

/* ========== 专家团队 - 六边形布局 ========== */
.experts-section {
    padding: 80px 0;
    background: var(--darker-bg);
}

.experts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.expert-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(155, 89, 182, 0.2);
    transition: var(--transition);
}

.expert-card:hover {
    border-color: var(--gold-accent);
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.2);
}

.expert-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--neon-purple);
}

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

.expert-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.expert-title {
    font-size: 0.9rem;
    color: var(--neon-pink);
    margin-bottom: 12px;
}

.expert-credentials {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-bottom: 16px;
    line-height: 1.6;
}

.expert-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.expert-actions .btn {
    padding: 10px 20px;
    font-size: 0.85rem;
}

/* ========== 社区互动墙 ========== */
.community-section {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.community-wall {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.community-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(155, 89, 182, 0.2);
}

.community-card img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.community-card-content {
    padding: 24px;
}

.community-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.community-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* ========== 用户评价 ========== */
.reviews-section {
    padding: 80px 0;
    background: var(--darker-bg);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.review-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid rgba(155, 89, 182, 0.2);
}

.review-stars {
    color: var(--gold-accent);
    font-size: 1.2rem;
    margin-bottom: 16px;
}

.review-text {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.review-author img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.review-author-info h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.review-author-info span {
    font-size: 0.85rem;
    color: var(--text-gray);
}

/* ========== 底部信息 ========== */
.site-footer {
    background: var(--darker-bg);
    border-top: 1px solid rgba(155, 89, 182, 0.3);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .site-logo {
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-qrcodes {
    display: flex;
    gap: 20px;
}

.footer-qrcode {
    text-align: center;
}

.footer-qrcode img {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    margin-bottom: 8px;
}

.footer-qrcode span {
    font-size: 0.8rem;
    color: var(--text-gray);
}

.footer-column h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--text-white);
}

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

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: var(--text-gray);
    font-size: 0.9rem;
}

.footer-column a:hover {
    color: var(--neon-pink);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(155, 89, 182, 0.2);
}

.footer-bottom p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

.update-time {
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--text-gray);
}

/* ========== 响应式设计 ========== */
@media (max-width: 1200px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text .subtitle {
        margin: 0 auto 32px;
    }
    
    .hero-tags {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-videos {
        max-width: 600px;
        margin: 40px auto 0;
    }
    
    .experts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .video-masonry {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .video-masonry {
        grid-template-columns: 1fr;
    }
    
    .experts-grid {
        grid-template-columns: 1fr;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .community-wall {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-qrcodes {
        justify-content: center;
    }
}

/* ========== 动画效果 ========== */
.fade-in {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s ease;
}

.js-enabled .fade-in {
    opacity: 0;
    transform: translateY(30px);
}

.js-enabled .fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 霓虹闪烁动画 */
@keyframes neonPulse {
    0%, 100% {
        box-shadow: var(--glow-purple);
    }
    50% {
        box-shadow: var(--glow-pink);
    }
}

.neon-pulse {
    animation: neonPulse 2s ease-in-out infinite;
}