/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0a0f1a;
    --bg-secondary: #1a1a2e;
    --accent-blue: #ff6b00;
    --accent-green: #ffaa00;
    --accent-pink: #e63946;
    --text-primary: #ffffff;
    --text-secondary: #a0a8b8;
    --text-muted: #666666;
    --border-color: rgba(255, 107, 0, 0.2);
    --border-hover: rgba(255, 107, 0, 0.5);
    --glass-bg: rgba(26, 26, 46, 0.8);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #17182a;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 15, 26, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.75rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    position: relative;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.3), rgba(255, 170, 0, 0.3));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.sparkles-icon {
    color: var(--accent-blue);
    width: 24px;
    height: 24px;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    position: relative;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.25rem 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-qr {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.2), rgba(255, 170, 0, 0.2));
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-qr:hover {
    border-color: var(--border-hover);
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.3), rgba(255, 170, 0, 0.3));
}

.qr-icon {
    color: var(--accent-blue);
}

.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

/* 移动端菜单 */
.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10, 15, 26, 0.98);
    backdrop-filter: blur(10px);
    padding: 1rem;
    z-index: 999;
    border-bottom: 1px solid var(--border-color);
}

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

.mobile-link {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    border-radius: 8px;
}

.mobile-link:hover {
    background: rgba(255, 107, 0, 0.1);
    color: var(--accent-blue);
}

/* 扫码咨询弹窗 */
.qr-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.qr-modal.active {
    display: flex;
}

.qr-modal-content {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    max-width: 400px;
    width: 90%;
    text-align: center;
    position: relative;
    animation: slideUp 0.3s ease;
}

.qr-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.qr-modal-close:hover {
    background: rgba(230, 57, 70, 0.2);
    color: var(--accent-pink);
}

.qr-modal-content h3 {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.qr-code-container {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.qr-code-img {
    max-width: 200px;
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
}

.qr-modal-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

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

/* Hero区域 */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 6rem 1rem 4rem;
}

.hero-bg {
    position: absolute;
    inset: 0;
}

.hero-bg::before,
.hero-bg::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
}

.hero-bg::before {
    top: 20%;
    left: 20%;
    background: var(--accent-blue);
}

.hero-bg::after {
    bottom: 20%;
    right: 20%;
    background: var(--accent-green);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    background: rgba(255, 107, 0, 0.1);
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.hero-badge svg {
    color: var(--accent-blue);
    width: 20px;
    height: 20px;
}

.hero-badge span {
    color: var(--accent-blue);
    font-weight: 500;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-title .accent {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 数据统计 */
.stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.2), rgba(255, 170, 0, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg {
    color: var(--accent-blue);
    width: 24px;
    height: 24px;
}

.stat-info .stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-info .stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* 标签组 */
.tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.tag {
    padding: 0.375rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid;
}

.tag-pink {
    background: rgba(230, 57, 70, 0.2);
    border-color: rgba(230, 57, 70, 0.3);
    color: var(--accent-pink);
}

.tag-blue {
    background: rgba(255, 107, 0, 0.2);
    border-color: rgba(255, 107, 0, 0.3);
    color: var(--accent-blue);
}

.tag-green {
    background: rgba(255, 170, 0, 0.2);
    border-color: rgba(255, 170, 0, 0.3);
    color: var(--accent-green);
}

.tag-gray {
    background: rgba(160, 168, 184, 0.2);
    border-color: rgba(160, 168, 184, 0.3);
    color: var(--text-secondary);
}

/* 滚动公告 */
.scroll-notice {
    position: relative;
    padding: 1rem 0;
    background: linear-gradient(90deg, rgba(26, 26, 46, 0.8), rgba(10, 15, 26, 0.6), rgba(26, 26, 46, 0.8));
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

.scroll-notice::before,
.scroll-notice::after {
    content: '';
    position: absolute;
    top: 0;
    height: 1px;
    width: 25%;
}

.scroll-notice::before {
    left: 0;
    background: linear-gradient(90deg, var(--accent-blue), transparent);
}

.scroll-notice::after {
    right: 0;
    background: linear-gradient(-90deg, var(--accent-green), transparent);
}

.notice-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.notice-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-blue);
    flex-shrink: 0;
}

.notice-label svg {
    width: 18px;
    height: 18px;
}

.notice-content {
    flex: 1;
    overflow: hidden;
}

.notice-item {
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    transition: all 0.5s ease;
}

.notice-item:hover {
    color: var(--accent-blue);
}

.notice-item svg {
    width: 18px;
    height: 18px;
    margin-left: 0.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.notice-item:hover svg {
    opacity: 1;
}

/* 通用区块 */
.section {
    padding: 5rem 1rem;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 1rem;
    border-radius: 9999px;
    background: rgba(255, 107, 0, 0.1);
    border: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.section-badge svg {
    color: var(--accent-blue);
    width: 16px;
    height: 16px;
}

.section-badge span {
    color: var(--accent-blue);
    font-size: 0.875rem;
    font-weight: 500;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.section-title .accent {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.section-container {
    max-width: 1280px;
    margin: 0 auto;
}

/* 平台卡片 */
.platforms {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.platform-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.platform-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: 0 10px 40px rgba(255, 107, 0, 0.15);
}

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

.platform-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.platform-icon svg {
    width: 28px;
    height: 28px;
}

.platform-icon.taobao {
    background: linear-gradient(135deg, rgba(230, 57, 70, 0.2), rgba(230, 57, 70, 0.1));
    color: var(--accent-pink);
}

.platform-icon.jd {
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.2), rgba(255, 107, 0, 0.1));
    color: var(--accent-blue);
}

.platform-icon.vip {
    background: linear-gradient(135deg, rgba(255, 170, 0, 0.2), rgba(255, 170, 0, 0.1));
    color: var(--accent-green);
}

.platform-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.platform-card p {
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
}

.platform-features {
    list-style: none;
}

.platform-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 0.25rem 0;
}

.platform-features svg {
    color: var(--accent-green);
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* 文章卡片 */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.article-card {
    height: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: 0 10px 40px rgba(255, 107, 0, 0.1);
}

.article-hot {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(90deg, var(--accent-pink), var(--accent-blue));
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
    width: fit-content;
}

.article-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    line-height: 1.5;
    transition: color 0.3s ease;
}

.article-card:hover h3 {
    color: var(--accent-blue);
}

.article-summary {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    flex-grow: 1;
    line-height: 1.6;
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-muted);
    padding-top: 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.article-views {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.article-views svg {
    width: 14px;
    height: 14px;
}

.article-read-more {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--accent-blue);
    font-weight: 500;
}

.article-read-more svg {
    width: 14px;
    height: 14px;
}

/* 查看更多按钮 */
.view-more {
    text-align: center;
    margin-top: 3rem;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
    color:#ffffff;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(255, 107, 0, 0.3);
}

.btn-primary svg {
    width: 18px;
    height: 18px;
}

/* 文章详情页 */
.article-page {
    padding-top: 6rem;
    padding-bottom: 4rem;
    min-height: 100vh;
}

.article-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

.article-header {
    text-align: center;
    margin-bottom: 2rem;
}

.article-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.article-header-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.article-content {
    background: #FFF;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    line-height: 1.8;
}

.article-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 1.5rem 0 1rem;
    color:#272727;
}

.article-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 1.25rem 0 0.75rem;
    color: #5b5b5b;
}

.article-content p {
    color: #626773;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.article-content ul,
.article-content ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.article-content li {
    margin-bottom: 0.5rem;
}

.article-content strong {
    color:#5b5b5b;
}

.article-content a {
    color: #414141;
    text-decoration: underline;
}

/* 页面头部（列表页等） */
.page-header {
    padding: 8rem 1rem 3rem;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-primary), var(--bg-secondary));
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.page-title .accent {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-desc {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.page-content {
    padding: 3rem 1rem;
    max-width: 1280px;
    margin: 0 auto;
}

/* FAQ页面 */
.faq-list {
    max-width: 1280px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--border-hover);
}

.faq-question {
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 500;
    color: #2a375b;
    font-size: 1rem;
}

.faq-question svg {
    width: 20px;
    height: 20px;
    color: #6f6f6f;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    color: var(--text-secondary);
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.25rem;
    max-height: 500px;
}

/* Guide页面 */
.guide-content {
    max-width: 1280px;
    margin: 0 auto;
}

.guide-step {
    background: #fff;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    display: flex;
    gap: 1.5rem;
    transition: all 0.3s ease;
}

.guide-step:hover {
    border-color: var(--border-hover);
}

.step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #495369;
}

.step-content p {
    color: #737d93;
    line-height: 1.7;
}

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

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo-icon {
    color: var(--accent-blue);
}

.footer-logo span {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-link-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-link-list a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-link-list a:hover {
    color: var(--accent-blue);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.contact-icon {
    color: var(--accent-pink);
}

.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* 后台登录 */
.admin-login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
}

.login-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
}

.login-card h2 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.login-card .subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    padding: 0.875rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
    color: var(--bg-primary);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
}

.btn-submit:hover {
    box-shadow: 0 5px 20px rgba(255, 107, 0, 0.3);
}

.error-msg {
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.3);
    color: #ff6b6b;
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.success-msg {
    background: rgba(255, 170, 0, 0.1);
    border: 1px solid rgba(255, 170, 0, 0.3);
    color: var(--accent-green);
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

/* 后台管理 */
.admin-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-nav {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.admin-nav-left {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.admin-logo {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.admin-nav-links {
    display: flex;
    gap: 1rem;
}

.admin-nav-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
}

.admin-nav-links a:hover,
.admin-nav-links a.active {
    background: rgba(255, 107, 0, 0.1);
    color: var(--accent-blue);
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.admin-user a {
    color: var(--accent-pink);
}

.admin-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.admin-page-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.btn-add {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
    color: var(--bg-primary);
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
}

.btn-add:hover {
    box-shadow: 0 5px 15px rgba(255, 107, 0, 0.3);
}

.btn-add svg {
    width: 16px;
    height: 16px;
}

/* 文章列表表格 */
.article-table {
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.article-table table {
    width: 100%;
    border-collapse: collapse;
}

.article-table th {
    padding: 1rem;
    text-align: left;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border-color);
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.article-table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
}

.article-table tr:last-child td {
    border-bottom: none;
}

.article-table tr:hover {
    background: rgba(255, 107, 0, 0.03);
}

.badge-hot {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    background: linear-gradient(90deg, var(--accent-pink), var(--accent-blue));
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-draft {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    background: rgba(160, 168, 184, 0.2);
    color: var(--text-secondary);
    border-radius: 4px;
    font-size: 0.75rem;
}

.btn-edit {
    color: var(--accent-blue);
    margin-right: 0.75rem;
    font-size: 0.875rem;
}

.btn-delete {
    color: var(--accent-pink);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.875rem;
    font-family: inherit;
}

/* 编辑表单 */
.edit-form {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-top: 0.5rem;
}

.form-checkbox input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.btn-cancel {
    padding: 0.875rem 1.5rem;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-right: 1rem;
}

.btn-cancel:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.form-actions {
    display: flex;
    align-items: center;
    margin-top: 1rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .btn-qr span {
        display: none;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .stats {
        gap: 1.5rem;
    }
    
    .stat-number {
        font-size: 1.25rem !important;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    /* 移动端底部并排显示 */
    .footer-links,
    .footer-contact {
        grid-column: 1 / -1;
    }
    
    .footer-content {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    @media (max-width: 480px) {
        .footer-content {
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }
        
        .footer-brand {
            grid-column: 1 / -1;
        }
        
        .footer-links,
        .footer-contact {
            grid-column: auto;
        }
    }
    
    .article-content {
        padding: 1.5rem;
    }
    
    .article-header h1 {
        font-size: 1.5rem;
    }
    
    .page-title {
        font-size: 1.75rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .article-table {
        overflow-x: auto;
    }
    
    .guide-step {
        flex-direction: column;
    }
    
    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding-top: 5rem;
        min-height: 70vh;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section {
        padding: 3rem 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
}

/* ===== 上下篇文章导航 ===== */
.article-prev-next {
    margin-top: 3.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.prev-next-inner {
    display: flex;
    justify-content: space-between;
    gap: 1.25rem;
}

.prev-next-link {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding: 1.25rem 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.prev-next-link:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: 0 8px 30px rgba(255, 107, 0, 0.12);
}

.prev-next-link:hover .prev-next-title {
    color: var(--accent-blue);
}

/* 微光装饰 */
.prev-next-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.prev-next-link:hover::before {
    opacity: 1;
}

.prev-next-link.disabled {
    visibility: hidden;
}

.prev-next-label-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 500;
}

.prev-next-link.prev .prev-next-label-row {
    justify-content: flex-start;
}

.prev-next-link.next .prev-next-label-row {
    justify-content: flex-end;
}

.prev-next-label-row svg {
    width: 16px;
    height: 16px;
}

.prev-next-label {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.7rem;
    background: linear-gradient(90deg, var(--accent-pink), var(--accent-blue));
    border-radius: 9999px;
    font-size: 0.75rem;
    color: #fff;
    letter-spacing: 0.5px;
}

.prev-next-link.next .prev-next-label {
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
}

.prev-next-title {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
    transition: color 0.3s ease;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.prev-next-link:hover .prev-next-title {
    color: var(--accent-blue);
}

.prev-next-link.next .prev-next-title {
    text-align: right;
}

/* 移动端适配 */
@media (max-width: 600px) {
    .prev-next-inner {
        flex-direction: column;
        gap: 1rem;
    }

    .prev-next-link {
        padding: 1rem 1.25rem;
    }

    .prev-next-link.next .prev-next-title {
        text-align: left;
    }

    .prev-next-link.next .prev-next-label-row {
        justify-content: flex-start;
    }

    .prev-next-link.next .prev-next-label {
        background: linear-gradient(90deg, var(--accent-pink), var(--accent-blue));
    }
}