/* ========== 页面自定义样式 ========== */

/* 首页中间内容美化 */
.index-content .video_area {
    background: linear-gradient(135deg, #1a1f2e 0%, #2d3548 50%, #1a1f2e 100%);
    padding: 100px 0 80px;
}
.index-content .inner_video_area .section_title_area {
    margin-bottom: 40px;
}
.index-content .inner_video_area .section_title_area h3 {
    font-size: 42px;
    font-weight: 700;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.index-content .inner_video_area .section_title_area p {
    font-size: 18px;
    line-height: 1.8;
    opacity: 0.95;
}
.index-content .video-player-container {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.05);
}
.index-content .about_area {
    padding: 100px 0 80px;
    background: linear-gradient(180deg, #f8f9fc 0%, #fff 100%);
}
.index-content .about_area .inner_about_area {
    padding: 0;
}
.index-content .about_area .section_title_area h2 {
    font-size: 16px;
    color: #EF9E03;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 8px;
}
.index-content .about_area .section_title_area h3 {
    font-size: 36px;
    color: #052945;
    margin-bottom: 12px;
}
.index-content .inner_ab_con_title {
    background: #fff;
    padding: 20px 24px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(5,41,69,0.08);
    margin-bottom: 16px;
    transition: all 0.3s ease;
    border-left: 4px solid #EF9E03;
}
.index-content .inner_ab_con_title:hover {
    transform: translateX(8px);
    box-shadow: 0 8px 30px rgba(5,41,69,0.12);
}
.index-content .portfolio_area {
    padding: 80px 0 100px;
    background: #fff;
}
.index-content .inner_portfolio_items {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    transition: all 0.4s ease;
}
.index-content .inner_portfolio_items:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}
.index-content .portfolio_img_area img {
    transition: transform 0.5s ease;
}
.index-content .inner_portfolio_items:hover .portfolio_img_area img {
    transform: scale(1.08);
}
.index-content .overlay {
    background: linear-gradient(180deg, transparent 0%, rgba(5,41,69,0.9) 100%);
}

/* 学习体系页面 */
.curriculum-hero {
    background: linear-gradient(135deg, #052945 0%, #0d3d5c 50%, #052945 100%);
    padding: 60px 0;
    text-align: center;
}
.curriculum-hero h1 {
    color: #fff;
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 12px;
}
.curriculum-hero p {
    color: rgba(255,255,255,0.9);
    font-size: 18px;
}
.learning-system-section {
    padding: 80px 0 100px;
    background: #f8f9fc;
}
.learning-system-section .section-head {
    text-align: center;
    margin-bottom: 60px;
}
.learning-system-section .section-head h2 {
    font-size: 36px;
    color: #052945;
    margin-bottom: 16px;
}
.learning-system-section .section-head p {
    font-size: 18px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}
.learning-path {
    position: relative;
}
.learning-stage {
    background: #fff;
    border-radius: 20px;
    padding: 40px 35px;
    margin-bottom: 30px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(239,158,3,0.2);
    position: relative;
    overflow: hidden;
}
.learning-stage::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(180deg, #EF9E03, #f5b840);
}
.learning-stage:hover {
    transform: translateX(8px);
    box-shadow: 0 15px 50px rgba(0,0,0,0.12);
}
.learning-stage .stage-icon {
    width: 70px;
    height: 70px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #EF9E03, #f5b840);
    color: #fff;
}
.learning-stage h3 {
    font-size: 24px;
    color: #052945;
    margin-bottom: 12px;
}
.learning-stage p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 0;
}
.learning-stage .stage-tags {
    margin-top: 16px;
}
.learning-stage .stage-tags span {
    display: inline-block;
    background: rgba(239,158,3,0.15);
    color: #c47a00;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 14px;
    margin-right: 8px;
    margin-bottom: 8px;
}
.learning-stage .stage-link {
    display: inline-block;
    margin-top: 16px;
    color: #EF9E03;
    font-weight: 600;
    transition: 0.3s;
}
.learning-stage .stage-link:hover {
    color: #052945;
}

/* 赛事服务页面 */
.competition-hero {
    background: linear-gradient(135deg, #1a1f2e 0%, #2d3548 50%, #1a1f2e 100%);
    padding: 60px 0;
    text-align: center;
}
.competition-hero h1 {
    color: #fff;
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 12px;
}
.competition-hero p {
    color: rgba(255,255,255,0.9);
    font-size: 18px;
}
.competition-services-section {
    padding: 80px 0 100px;
    background: #fff;
}
.competition-services-section .section-head {
    text-align: center;
    margin-bottom: 60px;
}
.competition-services-section .section-head h2 {
    font-size: 36px;
    color: #052945;
    margin-bottom: 16px;
}
.competition-services-section .section-head p {
    font-size: 18px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}
.competition-card {
    background: #fff;
    border-radius: 20px;
    padding: 40px 35px;
    height: 100%;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 1px solid #eee;
    position: relative;
    overflow: hidden;
}
.competition-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #EF9E03, #052945);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}
.competition-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.12);
}
.competition-card:hover::after {
    transform: scaleX(1);
}
.competition-card .card-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #052945, #0d3d5c);
    color: #EF9E03;
}
.competition-card h3 {
    font-size: 22px;
    color: #052945;
    margin-bottom: 12px;
}
.competition-card p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}
.competition-card .card-features {
    list-style: none;
    padding: 0;
    margin: 0;
}
.competition-card .card-features li {
    padding: 8px 0;
    color: #555;
    font-size: 15px;
    padding-left: 24px;
    position: relative;
}
.competition-card .card-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #EF9E03;
    font-weight: bold;
}
.competition-cta {
    background: linear-gradient(135deg, #EF9E03 0%, #f5b840 100%);
    padding: 60px 0;
    text-align: center;
    margin-top: 60px;
}
.competition-cta h3 {
    color: #fff;
    font-size: 28px;
    margin-bottom: 16px;
}
.competition-cta p {
    color: rgba(255,255,255,0.95);
    margin-bottom: 24px;
}
.competition-cta .t_btn a {
    background: #fff !important;
    color: #052945 !important;
    padding: 14px 32px;
    font-weight: 600;
}
.competition-cta .t_btn a:hover {
    background: #052945 !important;
    color: #fff !important;
}