/* ===== 基础样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #8B5CF6;
    --primary-dark: #7C3AED;
    --secondary: #F59E0B;
    --bg: #FDF6FF;
    --card-bg: #FFFFFF;
    --text: #1F2937;
    --text-light: #6B7280;
    --border: #E5E7EB;
    --success: #10B981;
    --locked: #EF4444;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 0 16px;
}

/* ===== 头部导航 ===== */
.header {
    text-align: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
}

.header h1 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.header nav {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.header nav a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s;
}

.header nav a.active,
.header nav a:hover {
    color: var(--primary);
    background: rgba(139, 92, 246, 0.1);
}

/* ===== 主要内容 ===== */
.main {
    padding: 24px 0;
    min-height: calc(100vh - 200px);
}

/* ===== 运势卡片 ===== */
.fortune-card {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 16px;
    padding: 24px;
    color: white;
    margin-bottom: 24px;
    text-align: center;
}

.fortune-date {
    font-size: 0.85rem;
    opacity: 0.9;
    margin-bottom: 8px;
}

.fortune-icon {
    font-size: 3rem;
    margin: 16px 0;
}

.fortune-card h2 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.fortune-card p {
    font-size: 1rem;
    opacity: 0.95;
}

.premium-hint {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.3);
}

.premium-hint p {
    font-size: 0.85rem;
    margin-bottom: 12px;
}

/* ===== 按钮 ===== */
.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    width: 100%;
    transition: background 0.2s;
}

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

.btn-premium {
    display: inline-block;
    background: var(--secondary);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}

/* ===== 幸运指数 ===== */
.lucky-section {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 24px;
}

.lucky-section h3 {
    margin-bottom: 16px;
    font-size: 1rem;
}

.lucky-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.lucky-item span {
    width: 50px;
    font-size: 0.9rem;
}

.bar {
    flex: 1;
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.bar .fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 4px;
    transition: width 0.5s ease;
}

/* ===== 游戏区域 ===== */
.games-section,
.guidance-section {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
}

.games-section h3 {
    margin-bottom: 8px;
}

.locked {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.premium-badge {
    display: inline-block;
    background: var(--locked);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    margin-left: 8px;
}

/* ===== 认证卡片 ===== */
.auth-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
}

.auth-card h2 {
    margin-bottom: 8px;
}

.subtitle {
    color: var(--text-light);
    margin-bottom: 24px;
}

.auth-form {
    text-align: left;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.checkbox-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: normal;
}

.auth-footer {
    margin-top: 20px;
    font-size: 0.9rem;
}

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

.divider {
    display: flex;
    align-items: center;
    margin: 20px 0;
    color: var(--text-light);
    font-size: 0.85rem;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.divider span {
    padding: 0 12px;
}

.social-login {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-google,
.btn-facebook {
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: white;
    cursor: pointer;
    font-size: 0.95rem;
    transition: background 0.2s;
}

.btn-google:hover {
    background: #f5f5f5;
}

.btn-facebook:hover {
    background: #e8f0fe;
}

/* ===== 设置页面 ===== */
.settings-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 24px;
}

.settings-card h2 {
    margin-bottom: 20px;
}

.settings-form .form-group {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.settings-form .form-group:last-child {
    border-bottom: none;
}

/* ===== 订阅页面 ===== */
.subscribe-hero {
    text-align: center;
    padding: 20px 0 30px;
}

.subscribe-hero h2 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.pricing-compare {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.plan-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    position: relative;
}

.plan-card.highlighted {
    border: 2px solid var(--primary);
}

.plan-card .badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 2px 12px;
    border-radius: 10px;
    font-size: 0.75rem;
}

.plan-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.plan-card .price {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 16px;
}

.plan-card .price span {
    font-size: 0.9rem;
    font-weight: normal;
}

.plan-card .features {
    list-style: none;
    text-align: left;
    margin-bottom: 16px;
}

.plan-card .features li {
    padding: 6px 0;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border);
}

.plan-card .features li:last-child {
    border-bottom: none;
}

.plan-card .current {
    font-size: 0.85rem;
    color: var(--text-light);
}

.payment-section {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
}

.payment-methods {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.payment-btn {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: white;
    cursor: pointer;
    transition: all 0.2s;
}

.payment-btn.active {
    border-color: var(--primary);
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary);
}

.payment-form .form-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 12px;
}

/* ===== 底部 ===== */
.footer {
    text-align: center;
    padding: 20px 0;
    color: var(--text-light);
    font-size: 0.8rem;
    border-top: 1px solid var(--border);
}