.cover-section {
    background: linear-gradient(180deg, #fdf8f0 0%, #f5e6d3 50%, #edcfae 100%);
    position: relative;
}

.cover-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.cover-decoration .petal {
    position: absolute;
    width: 20px;
    height: 20px;
    background: radial-gradient(ellipse, rgba(212, 169, 106, 0.3), transparent);
    border-radius: 50% 0 50% 0;
    animation: float 6s ease-in-out infinite;
}

.cover-decoration .petal:nth-child(1) { top: 10%; left: 10%; animation-delay: 0s; }
.cover-decoration .petal:nth-child(2) { top: 20%; right: 15%; animation-delay: 1s; }
.cover-decoration .petal:nth-child(3) { top: 40%; left: 5%; animation-delay: 2s; }
.cover-decoration .petal:nth-child(4) { top: 60%; right: 10%; animation-delay: 3s; }
.cover-decoration .petal:nth-child(5) { top: 80%; left: 20%; animation-delay: 4s; }
.cover-decoration .petal:nth-child(6) { top: 15%; left: 50%; animation-delay: 1.5s; }
.cover-decoration .petal:nth-child(7) { top: 70%; right: 30%; animation-delay: 2.5s; }
.cover-decoration .petal:nth-child(8) { top: 50%; left: 40%; animation-delay: 3.5s; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.5; }
    50% { transform: translateY(-20px) rotate(45deg); opacity: 1; }
}

.cover-frame {
    position: relative;
    width: 280px;
    height: 380px;
    margin-bottom: 40px;
}

.cover-frame-border {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 1px solid var(--primary-light);
    border-radius: 4px;
}

.cover-frame-border::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 8px;
    right: 8px;
    bottom: 8px;
    border: 1px solid var(--primary-light);
    border-radius: 2px;
}

.cover-photo {
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    bottom: 20px;
    background: linear-gradient(135deg, #e8c9a8 0%, #d4a96a 50%, #c4956a 100%);
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.cover-photo-inner {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg,
        rgba(255,255,255,0.2) 0%,
        rgba(255,255,255,0.05) 40%,
        rgba(0,0,0,0.05) 100%
    );
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
}

.cover-photo-icon {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.6;
}

.cover-photo-text {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 20px;
    color: var(--white);
    letter-spacing: 6px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.cover-date-badge {
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    padding: 8px 25px;
    border-radius: 20px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    white-space: nowrap;
}

.cover-date-badge span {
    font-size: 14px;
    color: var(--primary-color);
    letter-spacing: 2px;
}

.cover-title {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 36px;
    color: var(--text-dark);
    letter-spacing: 8px;
    margin-bottom: 10px;
    text-align: center;
}

.cover-names {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.cover-name {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 32px;
    color: var(--text-dark);
    letter-spacing: 4px;
}

.cover-ampersand {
    font-size: 24px;
    color: var(--primary-color);
    font-style: italic;
}

.cover-subtitle {
    font-size: 14px;
    color: var(--text-light);
    letter-spacing: 6px;
    margin-bottom: 40px;
}

.cover-open-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid var(--primary-light);
    background: rgba(255, 255, 255, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    animation: bounce 2s ease-in-out infinite;
    transition: all 0.3s;
}

.cover-open-btn:hover {
    background: var(--white);
    box-shadow: 0 4px 15px rgba(196, 149, 106, 0.3);
}

.cover-open-btn svg {
    width: 20px;
    height: 20px;
    fill: var(--primary-color);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}
