/* ========================================
   赵豹培训网 - 主题样式表
   设计规范：红底金字 + 暖米黄底 + 深棕边框
   ======================================== */

/* ====== CSS 变量（设计令牌） ====== */
:root {
    --bg-warm: #F5EFE0;
    --bg-card: #FDF8F0;
    --red-primary: #B22222;
    --red-dark: #8B1A1A;
    --gold: #D4A017;
    --gold-dark: #C5960A;
    --brown-dark: #5C3A21;
    --text-black: #2C2C2C;
    --shadow-card: 0 2px 8px rgba(92, 58, 33, 0.10);
    --shadow-hover: 0 6px 20px rgba(92, 58, 33, 0.15);
    --radius-sm: 4px;
    --radius-md: 8px;
    --transition: all 0.3s ease-in-out;
}

/* ====== 全局重置 ====== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
    background-color: var(--bg-warm);
    color: var(--text-black);
    line-height: 1.7;
    font-size: 16px;
    min-height: 100vh;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--brown-dark);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--red-primary);
}

/* ====== 页面容器 ====== */
.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 16px 48px;
}

/* ====== 红底金字标题栏 ====== */
.header-banner {
    background: linear-gradient(135deg, var(--red-primary) 0%, var(--red-dark) 100%);
    padding: 24px 16px 20px;
    text-align: center;
    border-bottom: 3px solid var(--gold);
}

.header-banner-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.site-title {
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", cursive;
    font-size: 48px;
    font-weight: 400;
    color: var(--gold);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3), 0 0 20px rgba(212,160,23,0.3);
    letter-spacing: 6px;
    line-height: 1.3;
}

.site-title a {
    color: inherit;
    text-decoration: none;
}

.site-title a:hover {
    color: var(--gold);
}

.site-subtitle {
    font-family: "Noto Serif SC", "Songti SC", serif;
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    margin-top: 6px;
    letter-spacing: 4px;
}

/* ====== 导航栏 ====== */
.nav-bar {
    background: var(--brown-dark);
    padding: 0 16px;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 2px solid var(--gold);
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 0;
    max-width: 1200px;
    margin: 0 auto;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.nav-menu li {
    flex-shrink: 0;
}

.nav-menu li a {
    display: block;
    padding: 12px 20px;
    color: var(--bg-card);
    font-size: 15px;
    font-family: "Noto Serif SC", "Songti SC", serif;
    letter-spacing: 2px;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-menu li a:hover {
    background: rgba(255,255,255,0.10);
    color: var(--gold);
}

.nav-menu li.active a {
    background: var(--gold);
    color: var(--brown-dark);
    font-weight: 600;
}

.nav-menu li.nav-disabled a {
    opacity: 0.4;
    cursor: not-allowed;
    color: rgba(253, 248, 240, 0.4);
}

.nav-menu li.nav-disabled a:hover {
    background: transparent;
    color: rgba(253, 248, 240, 0.4);
}

/* 移动端汉堡菜单 */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--bg-card);
    font-size: 28px;
    padding: 8px 4px;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    .nav-menu {
        display: none;
        flex-direction: column;
        padding-bottom: 8px;
    }
    .nav-menu.open {
        display: flex;
    }
    .nav-menu li a {
        padding: 10px 16px;
    }
}

/* ====== 通用组件 ====== */

/* 区域标题 */
.section-header {
    text-align: center;
    margin-bottom: 28px;
    position: relative;
}

.section-header h2 {
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", cursive;
    font-size: 32px;
    color: var(--red-primary);
    letter-spacing: 4px;
    position: relative;
    display: inline-block;
    padding: 0 24px;
}

.section-header h2::before,
.section-header h2::after {
    content: "—";
    color: var(--gold);
    font-size: 28px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

.section-header h2::before {
    right: 100%;
}
.section-header h2::after {
    left: 100%;
}

.section-header p {
    color: var(--brown-dark);
    font-size: 14px;
    margin-top: 4px;
    opacity: 0.7;
}

/* 深棕边框区域 */
.section-border {
    border: 2px solid var(--brown-dark);
    border-radius: 2px;
    padding: 28px 20px;
    margin-bottom: 36px;
    background: transparent;
}

/* ====== 视频区域 ====== */
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.video-card {
    background: var(--bg-card);
    border: 1px solid var(--brown-dark);
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
}

.video-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.video-card-cover {
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #F5EFE0 0%, #EDE5D0 100%);
}

.video-card-cover .play-icon {
    width: 48px;
    height: 48px;
    background: rgba(92, 58, 33, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-card);
    font-size: 20px;
    transition: var(--transition);
}

.video-card:hover .play-icon {
    background: var(--red-primary);
    transform: scale(1.1);
}

.video-card-cover .play-label {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(92, 58, 33, 0.8);
    color: var(--bg-card);
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 2px;
}

.video-card-body {
    padding: 10px 12px 12px;
}

.video-card-body h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-black);
    line-height: 1.4;
    margin-bottom: 4px;
}

.video-card-body .video-tag {
    display: inline-block;
    font-size: 11px;
    color: var(--red-primary);
    border: 1px solid var(--red-primary);
    padding: 0 6px;
    border-radius: 2px;
    letter-spacing: 1px;
}

/* 视频模态框 */
.video-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.85);
    z-index: 999;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.video-modal.open {
    display: flex;
}

.video-modal-content {
    position: relative;
    width: 100%;
    max-width: 800px;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 经典响应式比例，兼容不支持 aspect-ratio 的旧浏览器 */
}

.video-modal-content iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 4px;
}

.video-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 32px;
    cursor: pointer;
    background: none;
    border: none;
}

@media (max-width: 640px) {
    .video-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }
    .video-card-body h3 {
        font-size: 12px;
    }
    .video-card-body {
        padding: 6px 8px 8px;
    }
    .video-card-cover .play-icon {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
    .video-modal {
        padding: 12px;
    }
    .video-modal-content {
        max-width: 100%;
    }
}

/* ====== 书籍区域 ====== */
.book-sections {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.book-subsection {
    background: var(--bg-card);
    border: 1px solid var(--brown-dark);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.book-subsection-title {
    background: var(--brown-dark);
    color: var(--gold);
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", cursive;
    font-size: 20px;
    padding: 8px 16px;
    letter-spacing: 2px;
    text-align: center;
}

.book-items {
    padding: 12px;
}

.book-item {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px dashed rgba(92, 58, 33, 0.15);
}

.book-item:last-child {
    border-bottom: none;
}

.book-item-cover {
    width: 64px;
    height: 84px;
    flex-shrink: 0;
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", cursive;
    font-size: 28px;
    color: var(--bg-card);
    font-weight: 400;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

.book-item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.book-item-info h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-black);
    margin-bottom: 2px;
    line-height: 1.4;
}

.book-item-info p {
    font-size: 12px;
    color: var(--brown-dark);
    opacity: 0.7;
    margin-bottom: 6px;
    line-height: 1.4;
}

.book-item-info .btn-download {
    display: inline-block;
    font-size: 12px;
    color: var(--red-primary);
    border: 1px solid var(--red-primary);
    padding: 2px 12px;
    border-radius: 2px;
    align-self: flex-start;
    transition: var(--transition);
    background: transparent;
}

.book-item-info .btn-download:hover {
    background: var(--red-primary);
    color: white;
}

@media (max-width: 640px) {
    .book-sections {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .book-subsection-title {
        font-size: 16px;
        padding: 6px 12px;
    }
    .book-item-cover {
        width: 48px;
        height: 64px;
        font-size: 22px;
    }
    .book-item-info h4 {
        font-size: 12px;
    }
}

/* ====== 报名区域 ====== */
.registration-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.reg-card {
    background: var(--bg-card);
    border: 1px solid var(--brown-dark);
    border-radius: var(--radius-sm);
    padding: 24px;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}

.reg-card:hover {
    box-shadow: var(--shadow-hover);
}

.reg-card h3 {
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", cursive;
    font-size: 22px;
    color: var(--red-primary);
    margin-bottom: 16px;
    letter-spacing: 2px;
    text-align: center;
}

.reg-card .reg-course-name {
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-black);
    margin-bottom: 4px;
}

.reg-card .reg-price {
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    color: var(--red-primary);
    margin-bottom: 16px;
}

.reg-form-group {
    margin-bottom: 12px;
}

.reg-form-group label {
    display: block;
    font-size: 14px;
    color: var(--brown-dark);
    margin-bottom: 4px;
}

.reg-form-group input,
.reg-form-group select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--brown-dark);
    border-radius: 2px;
    font-size: 14px;
    font-family: "Noto Serif SC", "Songti SC", serif;
    background: white;
    color: var(--text-black);
}

.reg-form-group input:focus,
.reg-form-group select:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 2px rgba(212, 160, 23, 0.2);
}

.btn-reg-submit {
    width: 100%;
    padding: 10px;
    background: var(--red-primary);
    color: white;
    border: none;
    border-radius: 2px;
    font-size: 16px;
    font-family: "Noto Serif SC", "Songti SC", serif;
    letter-spacing: 2px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-reg-submit:hover {
    background: var(--red-dark);
}

.btn-view-courses {
    display: block;
    text-align: center;
    padding: 12px;
    background: var(--brown-dark);
    color: var(--gold);
    border: 1px solid var(--gold);
    border-radius: 2px;
    font-size: 16px;
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", cursive;
    letter-spacing: 2px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    margin-top: 24px;
}

.btn-view-courses:hover {
    background: var(--gold);
    color: var(--brown-dark);
}

@media (max-width: 640px) {
    .registration-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* ====== 课程列表页 ====== */
.page-title {
    text-align: center;
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", cursive;
    font-size: 36px;
    color: var(--red-primary);
    margin-bottom: 8px;
    letter-spacing: 4px;
}

.page-subtitle {
    text-align: center;
    color: var(--brown-dark);
    font-size: 14px;
    margin-bottom: 32px;
    opacity: 0.7;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.course-card {
    background: var(--bg-card);
    border: 1px solid var(--brown-dark);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
}

.course-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.course-card-cover {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", cursive;
    font-size: 22px;
    color: rgba(255,255,255,0.9);
    letter-spacing: 2px;
}

.course-card-body {
    padding: 16px;
}

.course-card-body .course-category {
    display: inline-block;
    font-size: 11px;
    color: var(--red-primary);
    border: 1px solid var(--red-primary);
    padding: 0 6px;
    border-radius: 2px;
    margin-bottom: 6px;
}

.course-card-body h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-black);
    margin-bottom: 4px;
    line-height: 1.4;
}

.course-card-body p {
    font-size: 13px;
    color: var(--brown-dark);
    opacity: 0.8;
    margin-bottom: 10px;
    line-height: 1.5;
}

.course-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 12px;
    color: var(--brown-dark);
    margin-bottom: 12px;
}

.course-card-meta span {
    background: var(--bg-warm);
    padding: 2px 8px;
    border-radius: 2px;
}

.course-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 10px;
    border-top: 1px solid rgba(92, 58, 33, 0.1);
}

.course-card-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--red-primary);
}

.course-card-link {
    font-size: 13px;
    color: var(--brown-dark);
    border: 1px solid var(--brown-dark);
    padding: 4px 12px;
    border-radius: 2px;
    transition: var(--transition);
}

.course-card-link:hover {
    background: var(--brown-dark);
    color: var(--bg-card);
}

@media (max-width: 768px) {
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
}

@media (max-width: 480px) {
    .courses-grid {
        grid-template-columns: 1fr;
    }
}

/* ====== 课程详情页 ====== */
.course-detail-header {
    position: relative;
    padding: 40px 24px;
    margin-bottom: 32px;
    border-radius: var(--radius-sm);
    text-align: center;
    color: white;
    border: 1px solid var(--brown-dark);
}

.course-detail-header h1 {
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", cursive;
    font-size: 36px;
    letter-spacing: 4px;
    margin-bottom: 8px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
}

.course-detail-header .course-category {
    display: inline-block;
    font-size: 12px;
    background: rgba(255,255,255,0.2);
    padding: 2px 12px;
    border-radius: 2px;
    letter-spacing: 1px;
}

.course-detail-meta {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.course-detail-meta .meta-item {
    background: var(--bg-card);
    border: 1px solid var(--brown-dark);
    border-radius: var(--radius-sm);
    padding: 16px;
    text-align: center;
    box-shadow: var(--shadow-card);
}

.course-detail-meta .meta-item .meta-label {
    font-size: 12px;
    color: var(--brown-dark);
    opacity: 0.7;
    margin-bottom: 4px;
}

.course-detail-meta .meta-item .meta-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-black);
}

.course-detail-body {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 28px;
}

.course-detail-content {
    background: var(--bg-card);
    border: 1px solid var(--brown-dark);
    border-radius: var(--radius-sm);
    padding: 24px;
    box-shadow: var(--shadow-card);
}

.course-detail-content h2 {
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", cursive;
    font-size: 24px;
    color: var(--red-primary);
    margin-bottom: 16px;
    letter-spacing: 2px;
    border-bottom: 1px solid rgba(92, 58, 33, 0.15);
    padding-bottom: 8px;
}

.course-detail-content p {
    margin-bottom: 12px;
    line-height: 1.8;
}

.course-detail-sidebar {
    background: var(--bg-card);
    border: 1px solid var(--brown-dark);
    border-radius: var(--radius-sm);
    padding: 24px;
    box-shadow: var(--shadow-card);
    align-self: start;
}

.course-detail-sidebar h3 {
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", cursive;
    font-size: 20px;
    color: var(--red-primary);
    margin-bottom: 16px;
    letter-spacing: 2px;
    text-align: center;
    border-bottom: 1px solid rgba(92, 58, 33, 0.15);
    padding-bottom: 8px;
}

.course-highlights {
    list-style: none;
    margin-bottom: 20px;
}

.course-highlights li {
    padding: 6px 0 6px 20px;
    position: relative;
    font-size: 14px;
    line-height: 1.5;
}

.course-highlights li::before {
    content: "✦";
    position: absolute;
    left: 0;
    color: var(--gold);
    font-size: 12px;
}

.btn-enroll {
    display: block;
    width: 100%;
    padding: 12px;
    background: var(--red-primary);
    color: white;
    border: none;
    border-radius: 2px;
    font-size: 16px;
    font-family: "Noto Serif SC", "Songti SC", serif;
    letter-spacing: 2px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
}

.btn-enroll:hover {
    background: var(--red-dark);
    color: white;
}

.back-link {
    display: inline-block;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--brown-dark);
}

.back-link::before {
    content: "← ";
}

@media (max-width: 768px) {
    .course-detail-meta {
        grid-template-columns: repeat(2, 1fr);
    }
    .course-detail-body {
        grid-template-columns: 1fr;
    }
    .course-detail-header h1 {
        font-size: 28px;
    }
}

/* ====== 页脚 ====== */
.site-footer {
    background: var(--brown-dark);
    border-top: 2px solid var(--gold);
    padding: 20px 16px;
    text-align: center;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-name {
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", cursive;
    font-size: 18px;
    color: var(--gold);
    letter-spacing: 2px;
    margin-bottom: 4px;
}

.footer-copy {
    font-size: 12px;
    color: rgba(253, 248, 240, 0.5);
}

/* ====== 404 页面 ====== */
.error-404 {
    text-align: center;
    padding: 80px 20px;
}

.error-404 h1 {
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", cursive;
    font-size: 72px;
    color: var(--red-primary);
    margin-bottom: 8px;
}

.error-404 p {
    font-size: 16px;
    color: var(--brown-dark);
    margin-bottom: 24px;
}

.error-404 .btn-home {
    display: inline-block;
    padding: 10px 24px;
    background: var(--brown-dark);
    color: var(--gold);
    border-radius: 2px;
    font-size: 15px;
    letter-spacing: 2px;
}

/* ====== 灰显页面 ====== */
.page-placeholder {
    text-align: center;
    padding: 80px 20px;
}

.page-placeholder .placeholder-icon {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.3;
}

.page-placeholder h1 {
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", cursive;
    font-size: 28px;
    color: var(--text-black);
    opacity: 0.5;
    margin-bottom: 8px;
}

.page-placeholder p {
    color: var(--brown-dark);
    opacity: 0.4;
    font-size: 14px;
}

/* ====== 滚动条样式 ====== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-warm);
}

::-webkit-scrollbar-thumb {
    background: var(--brown-dark);
    border-radius: 3px;
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--brown-dark) var(--bg-warm);
}
/* ===== 下方为本次新增：四板块 + 微信弹窗样式（追加，不覆盖基样式） ===== */
/* ============================================================
   新版原型「四板块」+ 微信弹窗 样式
   （对应 front-page.php 课程催眠视频 / 书籍下载 / 全部课程 / 培训报名）
   ============================================================ */

/* ---- 板块标题（仿原型） ---- */
.section-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px; text-align: center; margin-bottom: 16px; }
.section-head .section-line { display: inline-block; width: 48px; height: 1px; background: var(--gold); vertical-align: middle; }
.section-title {
    display: inline-block; margin: 0 12px;
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", cursive;
    font-size: 30px; font-weight: 400; color: var(--red-primary); letter-spacing: 4px;
}
.section-head .section-sub { flex-basis: 100%; margin-top: 8px; font-size: 13px; color: var(--brown-dark); opacity: 0.7; letter-spacing: 2px; }

/* ---- 通用提示 ---- */
.empty-hint { text-align: center; color: var(--brown-dark); opacity: 0.6; padding: 30px 0; font-size: 14px; }
.hint-bar {
    display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 6px;
    margin-top: 18px; border: 1px dashed rgba(92,58,33,0.5); padding: 8px 16px; border-radius: 2px;
    color: var(--brown-dark); font-size: 12px; opacity: 0.9;
}
.hint-badge { color: var(--gold-dark); font-size: 14px; }
.hint-sep { width: 1px; height: 14px; background: rgba(92,58,33,0.3); margin: 0 6px; }
.hint-center { text-align: center; color: var(--brown-dark); font-size: 12px; margin-top: 14px; opacity: 0.7; }

/* ============================================================
   板块一：课程催眠视频
============================================================ */
.video-num {
    position: absolute; top: 6px; left: 6px; z-index: 2;
    background: var(--gold); color: var(--text-black);
    font-size: 11px; line-height: 1; padding: 3px 6px; border-radius: 2px; letter-spacing: 1px;
}
.play-circle {
    width: 52px; height: 52px; border-radius: 50%;
    background: rgba(92,58,33,0.85); border: 2px solid var(--gold);
    display: flex; align-items: center; justify-content: center; margin-bottom: 8px; transition: var(--transition);
}
.play-triangle { width: 0; height: 0; border-left: 14px solid var(--bg-card); border-top: 9px solid transparent; border-bottom: 9px solid transparent; margin-left: 4px; }
.video-card:hover .play-circle { background: var(--red-primary); transform: scale(1.08); }
.video-card-cover {
    aspect-ratio: 16 / 9; display: flex; flex-direction: column; align-items: center; justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #5C3A21 0%, #3A2210 100%);
}
.video-card-cover .play-label {
    position: static; display: inline-block;
    background: rgba(92,58,33,0.85); color: var(--bg-card);
    font-size: 11px; padding: 3px 10px; border-radius: 12px; letter-spacing: 1px;
}
.video-card-body h3 { font-family: "Noto Serif SC", serif; }

/* 折叠区：额外小图 */
.video-extras { margin-top: 20px; }
.video-extras-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.video-extra-item {
    display: flex; align-items: center; gap: 8px; cursor: pointer;
    background: var(--bg-card); border: 1px solid var(--brown-dark); border-radius: 2px; padding: 8px; transition: var(--transition);
}
.video-extra-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.video-extra-cover { width: 36px; height: 36px; flex-shrink: 0; border-radius: 2px; background: linear-gradient(135deg,#5C3A21,#3A2210); position: relative; }
.video-extra-cover::after { content: "▶"; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--bg-card); font-size: 12px; }
.video-extra-title { font-size: 12px; color: var(--brown-dark); line-height: 1.4; }
.video-extras-hint { text-align: center; font-size: 12px; color: var(--brown-dark); opacity: 0.7; margin-top: 12px; letter-spacing: 1px; }

/* 展开按钮 */
.expand-btn-wrap { display: flex; justify-content: center; margin-top: 22px; }
.expand-btn {
    display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
    background: var(--red-primary); color: var(--bg-card); border: none; padding: 12px 32px;
    border-radius: 2px; font-size: 15px; font-family: "Noto Serif SC", serif; letter-spacing: 3px; transition: var(--transition);
}
.expand-btn:hover { background: var(--red-dark); }
.expand-icon { display: inline-block; font-size: 16px; transition: transform .3s ease-in-out; }
.expand-btn.expanded .expand-icon[data-expand] { transform: rotate(180deg); }

/* 页码指示 */
.video-dots { display: flex; justify-content: center; gap: 8px; margin-top: 22px; }
.video-dots .dot { width: 8px; height: 8px; border-radius: 2px; background: var(--brown-dark); opacity: 0.35; }
.video-dots .dot.active { background: var(--gold); opacity: 1; }

/* 隐藏元素（视频扩展后显示 / 折叠书籍） */
.hidden-extra { display: none; }
.book-rounded.hidden { display: none; }

/* ============================================================
   板块二：书籍下载
============================================================ */
.book-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.book-series {
    display: flex; flex-direction: column;
    background: var(--bg-card); border: 1px solid var(--brown-dark); border-radius: 2px;
    overflow: hidden; box-shadow: var(--shadow-card);
}
.book-series-head { background: var(--brown-dark); padding: 8px 12px; display: flex; align-items: center; justify-content: center; }
.book-series-title { color: var(--gold); font-size: 16px; font-weight: 500; letter-spacing: 1px; white-space: nowrap; }
.book-series-items { flex: 1; padding: 5px 10px; }
.book-row { display: flex; align-items: flex-start; gap: 8px; padding: 7px 0; border-bottom: 1px dashed rgba(92,58,33,0.15); }
.book-row:last-of-type { border-bottom: none; }
.book-symbol { width: 34px; height: 34px; flex-shrink: 0; border-radius: 2px; display: flex; align-items: center; justify-content: center; color: var(--bg-card); font-size: 15px; font-weight: 700; font-family: "Ma Shan Zheng", "STKaiti", serif; margin-top: 2px; }
.book-row-info { flex: 1; min-width: 0; display: flex; flex-direction: column; align-items: flex-start; gap: 4px; }
.book-name { font-size: 13px; font-weight: 500; color: var(--text-black); line-height: 1.4; width: 100%; }
.book-download {
    display: inline-block; padding: 2px 10px; font-size: 12px;
    color: var(--red-primary); border: 1px solid var(--red-primary); border-radius: 2px; transition: var(--transition);
}
.book-download:hover { background: var(--red-primary); color: #fff; }
.book-series-foot { padding: 6px 10px 10px; margin-top: auto; }
.book-expand {
    width: 100%; display: inline-flex; align-items: center; justify-content: center; gap: 6px; cursor: pointer;
    background: transparent; color: var(--red-primary); border: 1px solid var(--red-primary);
    padding: 6px; border-radius: 2px; font-size: 13px; font-family: "Noto Serif SC", serif; letter-spacing: 1px;
    white-space: nowrap; transition: var(--transition);
}
.book-expand:hover { background: var(--red-primary); color: #fff; }
.book-expand.expanded .book-expand-icon[data-icon] { transform: rotate(180deg); }
.book-expand-icon { display: inline-block; transition: transform .3s ease-in-out; }
.hidden-book { display: none; }
.book-empty { text-align: center; color: var(--brown-dark); font-size: 13px; opacity: 0.5; padding: 12px 0; }

/* ============================================================
   板块三：全部课程（首页卡片，横排）
============================================================ */
.courses-list { display: flex; flex-direction: column; gap: 16px; }
.courses-list .course-card { display: flex; flex-direction: row; align-items: stretch; overflow: hidden; }
.courses-list .course-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.courses-list .course-card-cover {
    /* 对齐原型：封面竖排完整标题，手机端隐藏，仅桌面显示 */
    width: 132px; height: auto; flex-shrink: 0; margin: 0;
    display: none; align-items: center; justify-content: center; padding: 12px;
    font-family: "Ma Shan Zheng", "STKaiti", "KaiTi", cursive; font-size: 22px; line-height: 1.2; letter-spacing: 3px;
    color: var(--bg-card); text-align: center;
    writing-mode: vertical-rl; text-orientation: upright;
}
@media (min-width: 640px) {
    .courses-list .course-card-cover { display: flex; }
}
.course-card-main { flex: 1; min-width: 0; padding: 14px 16px; display: flex; flex-direction: column; }
.course-card-top { margin-bottom: 10px; }
.course-tag {
    display: inline-block; font-size: 11px; color: var(--gold-dark);
    border: 1px solid var(--gold-dark); padding: 1px 6px; border-radius: 2px; letter-spacing: 1px; margin-bottom: 6px;
}
.course-title { font-family: "Noto Serif SC", serif; font-size: 18px; font-weight: 700; color: var(--text-black); line-height: 1.4; margin-bottom: 6px; display: inline-block; padding: 4px 12px 4px 10px; border-left: 5px solid var(--gold-primary); border-radius: 0 8px 8px 0; background: #FBF3E0; }
.course-desc { font-size: 12px; color: var(--brown-dark); opacity: 0.8; line-height: 1.5; }

/* 元信息 */
.course-meta { display: flex; flex-direction: column; gap: 4px; border-top: 1px dashed rgba(92,58,33,0.18); padding-top: 8px; }
.course-meta-row { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.course-meta-row .meta-label { width: 64px; flex-shrink: 0; color: var(--brown-dark); opacity: 0.75; }
.course-meta-row .meta-value { font-weight: 500; color: var(--text-black); }
.course-meta-row .meta-value.price { font-weight: 700; color: var(--red-primary); }

/* 课程详情页底部“课程信息”表格：字号放大 */
.course-detail-bottom-meta h3 { font-size: 20px; margin: 0 0 12px; color: var(--red-primary); }
.course-detail-bottom-meta .course-meta-row { font-size: 16px; }
.course-detail-bottom-meta .course-meta-row .meta-label { width: 92px; flex-shrink: 0; font-size: 15px; }
.course-detail-bottom-meta { margin-top: 18px; }

/* 定金提示行 */
.deposit-line {
    display: inline-block; margin-top: 10px; padding: 5px 10px;
    background: rgba(212,160,23,0.12); border: 1px solid rgba(212,160,23,0.5);
    color: #8a6d00; border-radius: 2px; font-size: 12px; white-space: nowrap; letter-spacing: 0.5px;
}

/* 详情扩展区（默认隐藏） */
.course-detail { display: none; margin-top: 10px; padding-top: 10px; border-top: 1px dashed rgba(92,58,33,0.18); }
.course-detail.open { display: block; }
.course-detail-desc { font-size: 14px; color: var(--text-black); line-height: 1.85; margin-bottom: 8px; }
.course-detail-desc p { margin: 0 0 10px; }
.course-detail-desc p:last-child { margin-bottom: 0; }
.course-detail-desc br { display: block; }
.course-detail-highlights .h-title { font-size: 12px; color: var(--brown-dark); opacity: 0.8; margin-bottom: 6px; }
.course-detail-highlights ul { list-style: none; }
.course-detail-highlights li { font-size: 13px; color: var(--text-black); padding: 3px 0 3px 18px; position: relative; line-height: 1.5; }
.course-detail-highlights li .dot { position: absolute; left: 0; top: 9px; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); }

/* 底部按钮 */
.course-card-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; }
.course-expand-btn {
    display: inline-flex; align-items: center; gap: 4px; cursor: pointer;
    background: none; border: none; color: var(--red-primary); font-size: 14px; font-weight: 700; font-family: "Noto Serif SC", serif; letter-spacing: 2px; transition: var(--transition);
}
.course-expand-btn:hover { color: var(--red-dark); }
.course-expand-btn .ce-icon { display: inline-block; transition: transform .3s ease-in-out; }
.course-expand-btn.open .ce-icon { transform: rotate(90deg); }

/* 立即报名按钮（课程卡 & 报名区） */
.btn-register {
    display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
    background: linear-gradient(135deg, var(--red-primary), var(--red-dark)); color: var(--bg-card);
    border: none; padding: 8px 20px; border-radius: 2px; font-size: 13px; font-family: "Noto Serif SC", serif; letter-spacing: 2px; box-shadow: var(--shadow-card); transition: var(--transition);
}
.btn-register:hover { opacity: 0.92; }
.btn-register-lg { padding: 11px 28px; font-size: 15px; }
.btn-register:disabled { opacity: 0.4; cursor: not-allowed; }

/* ============================================================
   板块四：培训报名
============================================================ */
.reg-panel {
    max-width: 720px; margin: 0 auto;
    background: var(--bg-card); border: 1px solid var(--brown-dark); border-radius: 2px; overflow: hidden; box-shadow: var(--shadow-card);
}
.reg-head {
    display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 12px; padding: 10px 16px;
    background: var(--brown-dark); color: var(--bg-card); font-size: 14px; letter-spacing: 2px;
}
.reg-body { border-bottom: 1px solid var(--brown-dark); }
.reg-row {
    display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 12px; padding: 9px 16px;
    border-bottom: 1px solid rgba(92,58,33,0.12); cursor: pointer; transition: background .2s;
}
.reg-row:last-of-type { border-bottom: none; }
.reg-row:hover { background: rgba(178,34,34,0.04); }
.reg-row.checked { background: rgba(178,34,34,0.06); }
.reg-info { display: flex; flex-direction: column; min-width: 0; gap: 1px; }
.reg-title { font-size: 14px; font-weight: 600; color: var(--text-black); line-height: 1.4; }
.reg-sub { font-size: 12px; color: var(--brown-dark); opacity: 0.7; }
.reg-price { font-size: 13px; font-weight: 700; color: var(--red-primary); }
.reg-row input[type="checkbox"] { display: none; }
.reg-checkbox {
    width: 22px; height: 22px; border: 1.5px solid var(--red-primary); border-radius: 3px;
    position: relative; flex-shrink: 0; transition: var(--transition);
}
.reg-row input:checked + .reg-checkbox { background: var(--red-primary); border-color: var(--red-primary); }
.reg-row input:checked + .reg-checkbox::after {
    content: "✓"; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 14px; font-weight: 700;
}
.reg-foot {
    display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
    padding: 12px 16px; background: var(--bg-warm); border-top: 1px solid rgba(92,58,33,0.18);
}
.reg-count { font-size: 14px; color: var(--brown-dark); }
.reg-count #regCount { color: var(--red-primary); font-weight: 700; }

/* ============================================================
   微信收款弹窗
============================================================ */
.wechat-modal {
    display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5); z-index: 3000; align-items: center; justify-content: center; padding: 16px;
}
.wechat-modal.open { display: flex; }
.wechat-modal-content { width: 100%; max-width: 400px; background: var(--bg-card); border: 2px solid var(--brown-dark); border-radius: 3px; overflow: hidden; box-shadow: 0 20px 50px rgba(0,0,0,0.3); }
.wechat-modal-head {
    display: flex; align-items: center; justify-content: space-between; padding: 12px 20px;
    background: var(--red-primary); color: var(--bg-card);
}
.wechat-modal-title { font-family: "Noto Serif SC", serif; font-size: 16px; font-weight: 700; letter-spacing: 2px; }
.wechat-modal-close { background: none; border: none; color: rgba(253,248,240,0.8); font-size: 20px; cursor: pointer; transition: color .2s; }
.wechat-modal-close:hover { color: #fff; }
.wechat-modal-body { padding: 24px 24px 22px; text-align: center; }
.wechat-qr-img { width: 176px; height: 176px; object-fit: contain; margin: 0 auto; border: 1px solid rgba(92,58,33,0.3); border-radius: 2px; background: #fff; padding: 8px; display: block; }
.wechat-qr-placeholder { position: relative; width: 176px; height: 176px; margin: 0 auto; border: 1px solid rgba(92,58,33,0.3); border-radius: 2px; background: #fff; padding: 8px; }
.wechat-qr-placeholder .qr-svg { width: 100%; height: 100%; }
.wechat-qr-placeholder .qr-tag { position: absolute; bottom: 6px; right: 8px; font-size: 9px; color: var(--brown-dark); opacity: 0.6; background: rgba(255,255,255,0.85); padding: 1px 4px; }
.wechat-tip { font-size: 12px; color: var(--brown-dark); opacity: 0.75; margin-top: 12px; letter-spacing: 2px; }
.wechat-idbox {
    display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 18px;
    background: var(--bg-warm); border: 1px solid rgba(92,58,33,0.2); border-radius: 2px; padding: 10px 14px;
}
.wechat-idtext { text-align: left; min-width: 0; }
.wechat-idlabel { display: block; font-size: 11px; color: var(--brown-dark); opacity: 0.7; }
.wechat-idvalue { display: block; font-size: 16px; font-weight: 700; color: var(--text-black); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.btn-copy {
    flex-shrink: 0; cursor: pointer; padding: 7px 14px; border: none; border-radius: 2px;
    background: var(--red-primary); color: #fff; font-size: 13px; font-family: "Noto Serif SC", serif; letter-spacing: 1px; transition: var(--transition);
}
.btn-copy:hover { background: var(--red-dark); }
.btn-copy.copied { background: #2f6b4f; }
.wechat-guide { margin-top: 18px; font-size: 15px; font-weight: 700; color: var(--red-primary); letter-spacing: 3px; }

/* ============================================================
   响应式
============================================================ */
@media (max-width: 640px) {
    .section-title { font-size: 24px; }
    .section-head .section-line { width: 24px; }

    /* 视频保持 3 列 */
    .video-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .video-card-body { padding: 6px 8px 8px; }
    .video-card-body h3 { font-size: 12px; }
    .play-circle { width: 38px; height: 38px; }
    .play-triangle { border-left-width: 10px; border-top-width: 6px; border-bottom-width: 6px; }
    .video-extras-grid { grid-template-columns: repeat(3, 1fr); gap: 6px; }

    /* 书籍保持 2 列 */
    .book-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .book-series-title { font-size: 14px; }
    .book-name { font-size: 12px; }
    .book-symbol { width: 30px; height: 30px; font-size: 13px; }

    /* 课程卡横排依然（封面默认隐藏，桌面显示，见上方 min-width:640px 规则） */
    .courses-list .course-card-cover { display: none; }
    .course-card-main { padding: 12px; }
    .course-title { font-size: 15px; }
    .course-meta-row { font-size: 12px; }
    .course-detail-bottom-meta .course-meta-row { font-size: 15px; }
    .course-detail-bottom-meta .course-meta-row .meta-label { width: 74px; }
    .course-meta-row .meta-label { width: 58px; }
    .deposit-line { font-size: 11px; white-space: normal; }

    .reg-head { font-size: 13px; padding: 9px 12px; }
    .reg-row { padding: 8px 12px; }
}
/* ====== 修复展开与折叠小图标题（追加，优先级最高） ====== */
.hidden-extra { display: none !important; }
.hidden-extra.show { display: block !important; }
.hidden-book { display: none !important; }
.hidden-book.show { display: flex !important; }
#videoExtras { display: block !important; }
#videoExtras.is-hidden { display: none !important; }

/* 折叠小图标题：最多两行，超长省略 */
.video-extra-item { min-width: 0; }
.video-extra-title {
    display: -webkit-box;
    width: 100%;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    text-overflow: ellipsis;
    line-height: 1.4;
}

/* 报名列表：价格后定金标注 */
.reg-deposit { font-size: .8em; color: var(--red-dark, #8B1A1A); font-weight: 500; }