/* 主体布局 */
.main-container {
    flex: 1;
    max-width: 1000px;
    width: 90%;
    margin: 40px auto;
}

.tool-title {
    text-align: center;
    margin-bottom: 10px;
    font-weight: 400;
    font-size: 2rem;
}
.tool-subtitle {
    text-align: center;
    color: var(--secondary-color);
    font-size: 0.95rem;
    margin-bottom: 40px;
}

/* 拖拽上传区域 */
.upload-zone {
    background: var(--card-bg);
    border: 2px dashed #cccccc;
    border-radius: 8px;
    padding: 50px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}
.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--primary-color);
    background: #fafafa;
}
.upload-icon {
    font-size: 3rem;
    color: #aaa;
    margin-bottom: 15px;
}
.upload-text p {
    margin: 5px 0;
}
.upload-hint {
    color: var(--secondary-color);
    font-size: 0.85rem;
}
#file-input {
    display: none;
}

/* 结果展示区域 */
.result-container {
    /*display: none;*/
    display: grid;
    margin-top: 40px;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    animation: fadeIn 0.5s ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.preview-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    max-height: 450px;
}
.preview-box img {
    max-width: 100%;
    max-height: 420px;
    object-fit: contain;
    border-radius: 4px;
}

.info-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
}
.info-box h3 {
    margin-top: 0;
    margin-bottom: 20px;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    font-size: 1.2rem;
}

.exif-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.exif-item {
    display: flex;
    flex-direction: column;
}
.exif-label {
    font-size: 0.8rem;
    color: var(--secondary-color);
    text-transform: uppercase;
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}
.exif-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    word-break: break-word;
}

.exif-faq-section {
    margin-top: 60px;
    border-top: 1px solid var(--border-color);
    padding-top: 40px;
}

.exif-faq-section div {
    margin-bottom: 35px;
}

.exif-faq-section h2 {
    font-weight: 500; font-size: 1.5rem; margin-bottom: 12px;
}
.exif-faq-section p {
    /*color: var(--secondary);*/
    line-height: 1.6; font-size: 0.95rem;  margin-bottom: 10px;
}

.exif-faq-section ol {
    /*color: var(--secondary);*/
    line-height: 1.8; font-size: 0.95rem; padding-left: 20px;
}

/* 响应式适配 */
@media (max-width: 768px) {
    /*.nav-links {
        display: none; !* 可配合原有JS汉堡菜单逻辑 *!
    }
    .menu-toggle {
        display: block;
    }*/
    .result-container {
        grid-template-columns: 1fr;
    }
    .tool-title {
        font-size: 1.6rem;
    }
    .exif-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}