/* 页面banner */
.page-banner {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../images/technique-banner.png');
    background-size: cover;
    background-position: center;
    padding: 60px 0;
    color: #fff;
    margin-bottom: 40px;
}

.page-banner h1 {
    font-size: 36px;
    margin-bottom: 10px;
}

.breadcrumb {
    font-size: 14px;
}

.breadcrumb a {
    color: #fff;
    text-decoration: none;
}

.breadcrumb a:hover {
    color: #ffd700;
}

/* 教学分类导航 */
.technique-nav {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav-item {
    flex: 1;
    text-align: center;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 6px;
}

.nav-item:hover,
.nav-item.active {
    background: #f5f5f5;
}

.nav-item i {
    display: block;
    font-size: 32px;
    color: #c00;
    margin-bottom: 10px;
}

.nav-item span {
    font-size: 16px;
    color: #333;
}

/* 视频课程 */
.section-title {
    font-size: 24px;
    color: #333;
    margin-bottom: 30px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
    position: relative;
}

.section-title:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 50px;
    height: 2px;
    background: #c00;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.video-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.video-thumb {
    position: relative;
    height: 200px;
}

.video-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0,0,0,0.7);
    color: #fff;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 12px;
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: all 0.3s ease;
}

.video-thumb:hover .play-btn {
    opacity: 1;
}

.play-btn i {
    color: #c00;
    font-size: 24px;
}

.video-info {
    padding: 20px;
}

.video-info h3 {
    font-size: 16px;
    margin-bottom: 10px;
}

.video-meta {
    display: flex;
    justify-content: space-between;
    color: #999;
    font-size: 14px;
    margin-bottom: 15px;
}

.level {
    color: #c00;
}

.teacher {
    display: flex;
    align-items: center;
}

.teacher img {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    margin-right: 10px;
}

/* 教练团队 */
.coach-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.coach-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.coach-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.coach-photo {
    height: 250px;
}

.coach-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.coach-info {
    padding: 20px;
    text-align: center;
}

.coach-info h3 {
    font-size: 20px;
    margin-bottom: 5px;
}

.title {
    color: #c00;
    font-size: 14px;
    margin-bottom: 10px;
}

.experience {
    color: #666;
    font-size: 14px;
    margin-bottom: 10px;
}

.description {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.coach-contact {
    display: flex;
    gap: 10px;
}

.coach-contact a {
    flex: 1;
    padding: 8px 0;
    text-align: center;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-contact {
    background: #c00;
    color: #fff;
}

.btn-schedule {
    background: #f5f5f5;
    color: #666;
}

.btn-contact:hover {
    background: #a00;
}

.btn-schedule:hover {
    background: #e5e5e5;
}

/* 预约报名 */
.booking-container {
    display: flex;
    gap: 30px;
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.booking-info {
    flex: 1;
    padding-right: 30px;
    border-right: 1px solid #f0f0f0;
}

.booking-info h3 {
    font-size: 20px;
    margin-bottom: 20px;
}

.booking-info ul {
    list-style: none;
}

.booking-info ul li {
    margin-bottom: 15px;
    padding-left: 20px;
    position: relative;
    color: #666;
}

.booking-info ul li:before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: #c00;
    border-radius: 50%;
}

.booking-form {
    flex: 2;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    outline: none;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #c00;
}

.form-group textarea {
    height: 100px;
    resize: none;
}

.btn-submit {
    width: 100%;
    padding: 12px 0;
    background: #c00;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    background: #a00;
}