:root {
    --primary: #FF6B00;
    /* PANTONE 325C */
    --dark-orange: #E55A00;
    --light-orange: #FFF5E6;
    --primary-dark: #FF8C00;
    --secondary: #29b6f6;
    --accent: #ff9800;
    --light: #f8f9fa;
    --dark: #343a40;
    --success: #28a745;
    --dark-gray: #333333;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

body {
    color: var(--text);
    line-height: 1.6;
    background-color: #f9f9f9;
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 15px;
}

iframe {
    width: 100%;
    height: 60vh;
}

/* 顶部阅读进度条 */
.progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: transparent;
    z-index: 1001;
}

.progress-bar {
    height: 4px;
    background: var(--primary);
    width: 0%;
    transition: width 0.3s ease;
}

/* 操作详情页样式 */
.opt-detail-section {
    padding: 40px 0 80px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    min-height: calc(100vh - 200px);
}

.opt-detail-container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    border: 1px solid rgba(255, 107, 0, 0.1);
}

.opt-detail-header {
    padding: 50px 40px 30px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.opt-detail-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.opt-detail-header::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
}

.opt-detail-header h1 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    line-height: 1.3;
    font-weight: 700;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
}

.opt-meta {
    display: flex;
    justify-content: center;
    gap: 25px;
    font-size: 1rem;
    opacity: 0.95;
    margin-top: 15px;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.opt-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    padding: 8px 16px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.opt-detail-content {
    padding: 40px;
}

.opt-detail-content img {
    width: 100%;
}

.opt-detail-image {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.opt-detail-image:hover {
    transform: scale(1.01);
}

.opt-detail-text {
    line-height: 1.8;
    color: #444;
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.opt-detail-text p {
    margin-bottom: 0;
    text-align: justify;
}

.opt-detail-text h3 {
    color: var(--primary);
    margin: 35px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-light);
    font-size: 1.5rem;
}

.opt-detail-text blockquote {
    background: var(--gray-light);
    border-left: 4px solid var(--primary);
    padding: 20px;
    margin: 25px 0;
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: #555;
}

.opt-detail-footer {
    margin-top: 40px;
    padding-top: 25px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.opt-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.opt-tag {
    background: var(--primary-light);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s;
}

.opt-tag:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

.opt-share {
    display: flex;
    gap: 15px;
    align-items: center;
}

.share-text {
    color: #777;
    font-weight: 500;
}

.share-buttons {
    display: flex;
    gap: 8px;
}

.share-buttons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gray-light);
    color: #777;
    transition: all 0.3s;
    font-size: 1.1rem;
}

.share-buttons a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
}

.back-to-list {
    display: inline-flex;
    align-items: center;
    margin-top: 30px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 6px;
    transition: all 0.3s;
}

.back-to-list i {
    margin-right: 8px;
    transition: transform 0.3s;
}

.back-to-list:hover {
    background: var(--primary);
    color: white;
    transform: translateX(-5px);
}

.back-to-list:hover i {
    transform: translateX(-5px);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .back-to-list {
        width: 100%;
        justify-content: center;
        margin-top: 30px;
        float: none;
    }
}