/* ============================================
   币安下载 - 品牌样式表
   ============================================ */

/* CSS 变量 */
:root {
    --primary: #F0B90B;
    --primary-dark: #D4A50A;
    --primary-light: #FDE68A;
    --secondary: #1A1A2E;
    --secondary-light: #16213E;
    --accent: #E8F5E9;
    
    --text-primary: #1A1A2E;
    --text-secondary: #4A5568;
    --text-muted: #718096;
    --text-light: #A0AEC0;
    
    --bg-primary: #FFFFFF;
    --bg-secondary: #F7FAFC;
    --bg-dark: #1A1A2E;
    
    --border: #E2E8F0;
    --border-light: #EDF2F7;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* ============================================
   导航栏
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255,255,255,0.98);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 32px;
    height: 32px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

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

.nav-menu li a {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: var(--primary);
    background: var(--primary-light);
}

/* 汉堡菜单 */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   Hero 区域
   ============================================ */

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #F0B90B 0%, #FDE68A 50%, #1A1A2E 100%);
    opacity: 0.1;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
}

.hero-left {
    max-width: 600px;
}

.hero-logo {
    width: 200px;
    margin-bottom: 30px;
}

.hero-left h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.hero-left p {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

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

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: var(--primary);
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(240,185,11,0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(240,185,11,0.4);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: transparent;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
}

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

.hero-right {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-app {
    max-width: 400px;
    animation: float 6s ease-in-out infinite;
}

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

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 12px;
    animation: bounce 2s infinite;
}

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

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg);
}

/* ============================================
   通用区块标题
   ============================================ */

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   特色功能
   ============================================ */

.features {
    padding: 100px 0;
    background: var(--bg-secondary);
}

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

.feature-card {
    background: var(--bg-primary);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   统计数字
   ============================================ */

.stats {
    padding: 80px 0;
    background: var(--bg-dark);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
    display: inline;
}

.stat-label {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary);
}

.stat-item p {
    font-size: 16px;
    color: rgba(255,255,255,0.8);
    margin-top: 8px;
}

/* ============================================
   下载平台
   ============================================ */

.platforms {
    padding: 100px 0;
}

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

.platform-card {
    background: var(--bg-primary);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.platform-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.platform-icon {
    width: 96px;
    height: 96px;
    margin: 0 auto 20px;
    background: var(--primary-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.platform-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 8px;
}

.platform-card p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.btn-platform {
    display: inline-block;
    padding: 10px 28px;
    background: var(--primary);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.btn-platform:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* ============================================
   使用教程
   ============================================ */

.tutorial {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.tutorial-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    text-align: center;
    flex: 1;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: var(--text-primary);
    font-size: 24px;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
}

.step p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-arrow {
    flex-shrink: 0;
    color: var(--primary);
}

/* ============================================
   常见问题
   ============================================ */

.faq {
    padding: 100px 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition);
}

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

.faq-question {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-icon {
    width: 20px;
    height: 20px;
    transition: var(--transition);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

/* ============================================
   页脚
   ============================================ */

.footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.9);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    width: 180px;
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255,255,255,0.6);
}

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

.footer-column h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

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

.footer-column ul li a {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}

/* ============================================
   内页通用样式
   ============================================ */

.page-hero {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--bg-secondary) 100%);
    text-align: center;
}

.page-hero h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
}

.page-hero p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   下载页面
   ============================================ */

.download-list {
    padding: 60px 0 100px;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.download-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 30px;
    transition: var(--transition);
}

.download-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.download-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.platform-badge {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.platform-badge.ios { background: #000; }
.platform-badge.android { background: #3DDC84; }
.platform-badge.windows { background: #0078D6; }
.platform-badge.mac { background: #999; }

.download-header h3 {
    font-size: 20px;
    font-weight: 600;
    flex: 1;
}

.version {
    font-size: 13px;
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: 4px 10px;
    border-radius: 20px;
}

.download-info {
    margin-bottom: 24px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 14px;
}

.info-item span:first-child {
    color: var(--text-muted);
}

.btn-download {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.btn-download:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.download-notice {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.download-notice h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 20px;
}

.download-notice ul {
    list-style: disc;
    padding-left: 20px;
}

.download-notice ul li {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.6;
}

/* ============================================
   安全页面
   ============================================ */

.security-measures {
    padding: 80px 0;
}

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

.security-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
}

.security-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.security-icon {
    width: 88px;
    height: 88px;
    margin: 0 auto 20px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.security-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.security-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.security-tips {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.security-tips h2 {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 50px;
}

.tips-list {
    max-width: 800px;
    margin: 0 auto;
}

.tip-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 20px;
    margin-bottom: 30px;
    padding: 24px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.tip-number {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
}

.tip-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.tip-item p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ============================================
   关于页面
   ============================================ */

.about-story {
    padding: 80px 0;
}

.story-content {
    max-width: 800px;
    margin: 0 auto;
}

.story-content h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 30px;
    text-align: center;
}

.story-content p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 2;
    margin-bottom: 20px;
}

.about-team {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.about-team h2 {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 50px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.team-card {
    background: var(--bg-primary);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.team-avatar {
    margin-bottom: 20px;
}

.team-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.team-role {
    display: inline-block;
    font-size: 13px;
    color: var(--primary);
    background: var(--primary-light);
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 12px;
}

.team-card p {
    font-size: 14px;
    color: var(--text-secondary);
}

.about-contact {
    padding: 80px 0;
}

.about-contact h2 {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 40px;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: var(--text-secondary);
}

/* ============================================
   响应式设计
   ============================================ */

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .platforms-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .security-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 20px;
        gap: 4px;
        border-bottom: 1px solid var(--border);
        transform: translateY(-100%);
        opacity: 0;
        transition: var(--transition);
        pointer-events: none;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 40px 20px;
    }
    
    .hero-left h1 {
        font-size: 32px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-right {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .platforms-grid {
        grid-template-columns: 1fr;
    }
    
    .tutorial-steps {
        flex-direction: column;
        gap: 20px;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .download-grid {
        grid-template-columns: 1fr;
    }
    
    .security-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .page-hero h1 {
        font-size: 30px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        flex-direction: column;
        align-items: center;
    }
}

/* ============================================
   动画效果
   ============================================ */

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================
   后台管理样式
   ============================================ */

.admin-body {
    background: var(--bg-secondary);
}

.admin-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 20px 40px;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.admin-header h1 {
    font-size: 28px;
    font-weight: 700;
}

.admin-logout {
    padding: 8px 20px;
    background: #E53E3E;
    color: white;
    font-size: 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.admin-logout:hover {
    background: #C53030;
}

.admin-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 30px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: 4px;
    border: 1px solid var(--border);
}

.admin-tab {
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.admin-tab.active {
    background: var(--primary);
    color: var(--text-primary);
}

.admin-panel {
    display: none;
}

.admin-panel.active {
    display: block;
}

.admin-table {
    width: 100%;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
}

.admin-table th,
.admin-table td {
    padding: 12px 16px;
    text-align: left;
    font-size: 14px;
    border-bottom: 1px solid var(--border-light);
}

.admin-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-secondary);
}

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

.btn-edit,
.btn-delete {
    padding: 6px 12px;
    font-size: 13px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-edit {
    background: var(--primary-light);
    color: var(--text-primary);
    margin-right: 8px;
}

.btn-edit:hover {
    background: var(--primary);
}

.btn-delete {
    background: #FED7D7;
    color: #E53E3E;
}

.btn-delete:hover {
    background: #FEB2B2;
}

.admin-form {
    background: var(--bg-primary);
    padding: 30px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    margin-bottom: 30px;
}

.admin-form h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(240,185,11,0.1);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-actions {
    display: flex;
    gap: 12px;
}

.btn-save {
    padding: 10px 28px;
    background: var(--primary);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-save:hover {
    background: var(--primary-dark);
}

.btn-cancel {
    padding: 10px 28px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.btn-cancel:hover {
    background: var(--border);
}

/* Toast 提示 */
.toast {
    position: fixed;
    top: 80px;
    right: 20px;
    padding: 16px 24px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary);
    z-index: 9999;
    transform: translateX(120%);
    transition: transform 0.3s ease;
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    border-left-color: #48BB78;
}

.toast.error {
    border-left-color: #E53E3E;
}

/* 登录页面 */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
}

.login-card {
    background: var(--bg-primary);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
}

.login-card .logo-icon {
    display: block;
    margin: 0 auto 20px;
    width: 48px;
    height: 48px;
}

.login-card h1 {
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 30px;
}

.login-card .form-group {
    margin-bottom: 20px;
}

.login-card .btn-primary {
    width: 100%;
    justify-content: center;
}