/* style.css - 米乐M6(中国)官方网站-MILEGAMES */

/* 全局重置与CSS变量 */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1A73E8;
    --primary-light: #4A9EFF;
    --primary-dark: #0F4FA0;
    --accent: #00D4AA;
    --bg: #0B0E1E;
    --surface: rgba(255, 255, 255, 0.05);
    --glass: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.12);
    --text: #F0F4FF;
    --text-muted: #A0B0D0;
    --radius: 20px;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --gradient: linear-gradient(135deg, #0B0E1E 0%, #1A1F3A 100%);
    --nav-bg: rgba(11, 14, 30, 0.85);
    --transition-speed: 0.4s;
}

.light {
    --bg: #F8FAFF;
    --surface: rgba(0, 0, 0, 0.03);
    --glass: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.08);
    --text: #1A1F3A;
    --text-muted: #5A6A8A;
    --gradient: linear-gradient(135deg, #F0F4FF 0%, #E6EDFF 100%);
    --nav-bg: rgba(248, 250, 255, 0.85);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--gradient);
    color: var(--text);
    line-height: 1.6;
    transition: background var(--transition-speed), color var(--transition-speed);
    overflow-x: hidden;
    min-height: 100vh;
}

a {
    color: var(--primary-light);
    text-decoration: none;
    transition: opacity 0.3s;
}

a:hover {
    opacity: 0.8;
}

img,
svg {
    max-width: 100%;
    display: block;
}

/* 容器 */
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 导航栏 Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--nav-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    transition: background var(--transition-speed);
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    padding: 0 24px;
    max-width: 1240px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    color: var(--text);
    user-select: none;
}

.logo svg {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    gap: 8px;
    list-style: none;
}

.nav-links a {
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    transition: all 0.3s;
    position: relative;
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text);
    background: var(--glass);
}

.nav-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.theme-toggle,
.menu-toggle,
.search-toggle {
    background: var(--glass);
    border: none;
    color: var(--text);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    flex-shrink: 0;
}

.theme-toggle:hover,
.menu-toggle:hover,
.search-toggle:hover {
    background: var(--glass-border);
}

.menu-toggle {
    display: none;
}

/* 移动端菜单 */
.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg);
    z-index: 999;
    padding: 24px;
    flex-direction: column;
    gap: 12px;
    overflow-y: auto;
    transition: background var(--transition-speed);
}

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

.mobile-menu a {
    padding: 16px;
    border-radius: 16px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text);
    background: var(--surface);
    transition: background 0.3s;
}

.mobile-menu a:hover {
    background: var(--glass);
}

/* 搜索覆盖层 */
.search-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.search-overlay.open {
    display: flex;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.search-panel {
    background: var(--bg);
    border-radius: 24px;
    padding: 32px;
    width: 90%;
    max-width: 560px;
    box-shadow: var(--shadow);
    border: 1px solid var(--glass-border);
    transition: background var(--transition-speed);
}

.search-panel input {
    width: 100%;
    padding: 16px 20px;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    background: var(--surface);
    color: var(--text);
    font-size: 16px;
    outline: none;
    transition: background 0.3s, border-color 0.3s;
}

.search-panel input::placeholder {
    color: var(--text-muted);
}

.search-panel input:focus {
    border-color: var(--primary);
}

.search-results {
    margin-top: 16px;
    max-height: 300px;
    overflow-y: auto;
}

.search-results div {
    padding: 12px 16px;
    border-radius: 12px;
    cursor: pointer;
    color: var(--text);
    transition: background 0.3s;
}

.search-results div:hover {
    background: var(--glass);
}

/* 通用段落 */
section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.section-sub {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 640px;
    margin-bottom: 48px;
}

/* 网格布局 */
.grid-2,
.grid-3,
.grid-4 {
    display: grid;
    gap: 24px;
}

.grid-2 {
    grid-template-columns: 1fr 1fr;
}

.grid-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

.grid-4 {
    grid-template-columns: 1fr 1fr 1fr 1fr;
}

/* 卡片 */
.card {
    background: var(--glass);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 32px;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: var(--shadow);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

/* 按钮 */
.glass-btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    background: var(--primary);
    color: #fff;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 16px;
    text-align: center;
}

.glass-btn:hover {
    background: var(--primary-light);
    transform: scale(1.02);
}

.glass-btn-outline {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text);
}

.glass-btn-outline:hover {
    background: var(--glass);
    transform: scale(1.02);
}

/* Hero Banner */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 64px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.hero-bg svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 720px;
}

.hero h1 {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 560px;
}

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

.banner-indicators {
    display: flex;
    gap: 8px;
    margin-top: 40px;
}

.banner-indicators span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--glass-border);
    cursor: pointer;
    transition: all 0.3s;
}

.banner-indicators span.active {
    background: var(--primary);
    width: 32px;
    border-radius: 6px;
}

/* 品牌介绍 */
.brand-intro .card {
    display: flex;
    gap: 32px;
    align-items: center;
}

.brand-intro .card svg {
    flex-shrink: 0;
    width: 200px;
    height: 200px;
}

/* 数据统计 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-item {
    text-align: center;
    padding: 32px;
    background: var(--glass);
    border-radius: var(--radius);
    border: 1px solid var(--glass-border);
    transition: background 0.3s;
}

.stat-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--primary-light);
    line-height: 1.2;
}

.stat-label {
    color: var(--text-muted);
    margin-top: 8px;
    font-size: 14px;
}

/* FAQ */
.faq-item {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: background 0.3s;
}

.faq-question {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    user-select: none;
}

.faq-question::after {
    content: '+';
    font-size: 24px;
    transition: transform 0.3s;
    line-height: 1;
}

.faq-item.open .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 24px;
    color: var(--text-muted);
}

.faq-item.open .faq-answer {
    max-height: 300px;
    padding: 0 24px 20px;
}

/* Footer */
footer {
    background: var(--surface);
    border-top: 1px solid var(--glass-border);
    padding: 60px 0 30px;
    transition: background var(--transition-speed);
}

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

.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text);
}

.footer-col a,
.footer-col p {
    display: block;
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 8px;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--text-muted);
}

/* 返回顶部 */
.back-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 20px;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    box-shadow: var(--shadow);
    transition: background 0.3s, transform 0.3s;
}

.back-top.visible {
    display: flex;
}

.back-top:hover {
    background: var(--primary-light);
    transform: scale(1.1);
}

/* 滚动动画 reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 面包屑 */
.breadcrumb {
    display: flex;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
    padding: 8px 0;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--text-muted);
    transition: color 0.3s;
}

.breadcrumb a:hover {
    color: var(--primary-light);
}

.breadcrumb span {
    color: var(--text);
}

/* 文章列表 */
.article-list .card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.article-list .card svg {
    width: 120px;
    height: 120px;
    flex-shrink: 0;
    border-radius: 12px;
}

.article-meta {
    font-size: 13px;
    color: var(--text-muted);
    margin: 8px 0;
}

.pagination {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 32px;
    flex-wrap: wrap;
}

.pagination span {
    padding: 8px 16px;
    border-radius: 8px;
    background: var(--glass);
    cursor: pointer;
    transition: background 0.3s, color 0.3s;
    user-select: none;
}

.pagination span.active {
    background: var(--primary);
    color: #fff;
}

.pagination span:hover:not(.active) {
    background: var(--glass-border);
}

/* HowTo 步骤 */
.howto-step {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
    align-items: flex-start;
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 20px;
    color: #fff;
    flex-shrink: 0;
}

/* 客户Logo */
.client-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
}

.client-grid svg {
    width: 100px;
    height: 50px;
    opacity: 0.6;
    transition: opacity 0.3s;
}

.client-grid svg:hover {
    opacity: 1;
}

/* 评价卡片 */
.testimonial-card {
    background: var(--glass);
    border-radius: var(--radius);
    padding: 32px;
    border: 1px solid var(--glass-border);
    transition: background 0.3s;
}

.testimonial-card .stars {
    color: #FFB800;
    margin-bottom: 12px;
    font-size: 18px;
}

/* 暗色模式切换图标 */
.theme-toggle .icon {
    transition: all 0.3s;
}

/* 特殊背景区域 */
section[style*="background:var(--surface)"] {
    background: var(--surface);
    transition: background var(--transition-speed);
}

/* 响应式布局 */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 900px) {
    .nav-links {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

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

    .hero h1 {
        font-size: 40px;
    }

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

    .brand-intro .card {
        flex-direction: column;
        text-align: center;
    }

    .brand-intro .card svg {
        width: 140px;
        height: 140px;
    }

    .section-title {
        font-size: 32px;
    }

    .hero p {
        font-size: 18px;
    }
}

@media (max-width: 600px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .stat-item {
        padding: 20px;
    }

    .stat-number {
        font-size: 36px;
    }

    .hero h1 {
        font-size: 32px;
    }

    .section-title {
        font-size: 28px;
    }

    .section-sub {
        font-size: 16px;
        margin-bottom: 32px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-actions .glass-btn {
        width: 100%;
        text-align: center;
    }

    .article-list .card {
        flex-direction: column;
    }

    .article-list .card svg {
        width: 100%;
        height: auto;
        max-height: 180px;
    }

    .search-panel {
        padding: 24px;
    }

    .back-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
        font-size: 16px;
    }

    .breadcrumb {
        font-size: 12px;
    }
}

@media (max-width: 400px) {
    .container {
        padding: 0 16px;
    }

    nav {
        padding: 0 16px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .section-title {
        font-size: 24px;
    }
}

/* 友情链接区域微调 */
#links a {
    transition: background 0.3s, color 0.3s;
}

#links a:hover {
    background: var(--glass-border) !important;
    color: var(--text) !important;
}

/* 网站地图区域 */
#sitemap .grid-4 a {
    transition: color 0.3s;
}

#sitemap .grid-4 a:hover {
    color: var(--primary-light);
}

/* 确保SVG内联图标尺寸合理 */
.card svg:not(.logo svg) {
    max-width: 100%;
    height: auto;
}

/* 暗色模式下的细节调整 */
.light .card:hover {
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}

/* 性能优化：GPU加速 */
.card,
.glass-btn,
.back-top {
    will-change: transform;
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* 焦点样式 */
:focus-visible {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
}

/* 打印样式 */
@media print {
    header,
    .back-top,
    .search-overlay,
    .mobile-menu {
        display: none !important;
    }

    section {
        padding: 40px 0;
        page-break-inside: avoid;
    }

    .hero {
        min-height: auto;
        padding-top: 0;
    }
}