/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #000000;
    --secondary-color: #333333;
    --accent-color: #0066CC;
    --text-primary: #000000;
    --text-secondary: #666666;
    --text-light: #999999;
    --background-primary: #ffffff;
    --background-secondary: #fafafa;
    --background-tertiary: #f5f5f5;
    --border-color: #e0e0e0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 80px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, #0066CC, #0052A3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cnfans-highlight {
    background: linear-gradient(135deg, #ff0000, #ff4444, #cc0000, #ff6666);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: redPulseShift 2s ease-in-out infinite;
    position: relative;
    font-weight: 700;
    text-shadow: 0 0 30px rgba(255, 0, 0, 0.8);
    filter: drop-shadow(0 0 10px rgba(255, 0, 0, 0.6));
}

.cnfans-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle, rgba(255, 0, 0, 0.3) 0%, transparent 70%);
    animation: redGlow 2s ease-in-out infinite;
    z-index: -1;
}

.cnfans-logo {
    height: 2.8em;
    width: auto;
    display: inline-block;
    vertical-align: baseline;
    margin: 0 0.05em;
    filter: drop-shadow(0 0 15px rgba(255, 0, 0, 0.7)) drop-shadow(0 0 30px rgba(255, 0, 0, 0.4));
    animation: logoGlow 2s ease-in-out infinite;
    transition: all 0.3s ease;
    transform: rotate(-8deg) translateY(0.15em);
    vertical-align: -0.35em;
    position: relative;
    z-index: 2;
}

.cnfans-logo:hover {
    transform: scale(1.05) rotate(-8deg) translateY(0.15em);
    filter: drop-shadow(0 0 25px rgba(255, 0, 0, 0.9)) drop-shadow(0 0 45px rgba(255, 0, 0, 0.6));
}

@keyframes redPulseShift {
    0%, 100% {
        background-position: 0% 50%;
        filter: drop-shadow(0 0 10px rgba(255, 0, 0, 0.6)) brightness(1);
    }
    50% {
        background-position: 100% 50%;
        filter: drop-shadow(0 0 20px rgba(255, 0, 0, 0.9)) brightness(1.2);
    }
}

@keyframes redGlow {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.1);
    }
}

@keyframes logoGlow {
    0%, 100% {
        filter: drop-shadow(0 0 15px rgba(255, 0, 0, 0.7)) drop-shadow(0 0 30px rgba(255, 0, 0, 0.4));
    }
    50% {
        filter: drop-shadow(0 0 25px rgba(255, 0, 0, 0.9)) drop-shadow(0 0 45px rgba(255, 0, 0, 0.6));
    }
}

/* Reminder Notification */
.reminder-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    max-width: 350px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 102, 204, 0.3);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 9999;
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.reminder-notification.show {
    transform: translateX(0);
    opacity: 1;
}

.reminder-content {
    padding: 16px 20px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.reminder-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.reminder-text {
    flex: 1;
    font-size: 0.9rem;
    line-height: 1.4;
    color: var(--text-primary);
}

.reminder-text strong {
    color: var(--accent-color);
    font-weight: 600;
}

.reminder-close {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--text-light);
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.reminder-close:hover {
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.1);
}

@media (max-width: 480px) {
    .reminder-notification {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }

    .reminder-content {
        padding: 14px 16px;
    }

    .reminder-text {
        font-size: 0.85rem;
    }
}