/* 糖心Vlog 主样式文件 */
:root {
    --primary: #e8445a;
    --primary-dark: #c73248;
    --primary-light: #ff6b7a;
    --secondary: #ff8c42;
    --dark: #1a1a2e;
    --dark-2: #16213e;
    --gray: #6c757d;
    --gray-light: #f8f9fa;
    --white: #ffffff;
    --border: #e9ecef;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-hover: 0 8px 30px rgba(232,68,90,0.2);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: #333;
    background: #fff;
    line-height: 1.7;
    font-size: 15px;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    text-align: center;
    margin-bottom: 12px;
}
.section-sub {
    font-size: 1rem;
    color: var(--gray);
    text-align: center;
    margin-bottom: 50px;
}
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(232,68,90,0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    color: var(--white);
}
.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}
.tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    background: rgba(232,68,90,0.1);
    color: var(--primary);
}

/* ===== 顶部导航 ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary);
}
.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}
.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}
.nav-menu a {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #444;
    transition: var(--transition);
}
.nav-menu a:hover, .nav-menu a.active {
    color: var(--primary);
    background: rgba(232,68,90,0.08);
}
.header-cta {
    display: flex;
    align-items: center;
    gap: 12px;
}
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== 搜索框 ===== */
.search-bar {
    background: var(--gray-light);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
}
.search-inner {
    display: flex;
    align-items: center;
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border: 2px solid var(--border);
    border-radius: 50px;
    padding: 8px 20px;
    transition: var(--transition);
}
.search-inner:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(232,68,90,0.1);
}
.search-inner input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 14px;
    background: transparent;
    color: #333;
}
.search-inner button {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--primary);
    font-size: 16px;
    padding: 0 5px;
    display: flex;
    align-items: center;
}

/* ===== 面包屑 ===== */
.breadcrumb {
    padding: 12px 0;
    font-size: 13px;
    color: var(--gray);
}
.breadcrumb a { color: var(--gray); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { margin: 0 6px; }

/* ===== Hero Banner ===== */
.hero {
    position: relative;
    min-height: 600px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    display: flex;
    align-items: center;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(232,68,90,0.15) 0%, transparent 70%);
    border-radius: 50%;
}
.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 80px 0;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(232,68,90,0.15);
    border: 1px solid rgba(232,68,90,0.3);
    color: var(--primary-light);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 13px;
    margin-bottom: 20px;
}
.hero-title {
    font-size: 3rem;
    font-weight: 800;
    color: white;
    line-height: 1.2;
    margin-bottom: 20px;
}
.hero-title span { color: var(--primary-light); }
.hero-desc {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.75);
    margin-bottom: 36px;
    line-height: 1.8;
}
.hero-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 36px;
}
.hero-stat { text-align: center; }
.hero-stat .num {
    font-size: 1.8rem;
    font-weight: 800;
    color: white;
    display: block;
}
.hero-stat .label {
    font-size: 12px;
    color: rgba(255,255,255,0.6);
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.hero-image img {
    width: 100%;
    border-radius: 20px;
}
.hero-play-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(10px);
    color: white;
    padding: 10px 16px;
    border-radius: 10px;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.play-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

/* ===== 功能特色 ===== */
.features { background: var(--gray-light); }
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.feature-card {
    background: white;
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid transparent;
}
.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(232,68,90,0.15);
}
.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(232,68,90,0.1), rgba(255,140,66,0.1));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}
.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}
.feature-card p { font-size: 14px; color: var(--gray); line-height: 1.7; }

/* ===== 视频卡片 ===== */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.video-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}
.video-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}
.video-thumb {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: #1a1a2e;
}
.video-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.05); }
.video-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}
.video-card:hover .video-overlay { opacity: 1; }
.play-btn {
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--primary);
    transform: scale(0.8);
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.video-card:hover .play-btn { transform: scale(1); }
.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0,0,0,0.75);
    color: white;
    font-size: 12px;
    padding: 3px 8px;
    border-radius: 4px;
}
.video-info { padding: 16px; }
.video-info h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 10px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.video-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--gray);
}
.video-meta span { display: flex; align-items: center; gap: 4px; }

/* ===== 使用场景 ===== */
.scenarios { background: var(--gray-light); }
.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.scenario-card {
    background: white;
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-left: 4px solid transparent;
}
.scenario-card:hover {
    transform: translateY(-4px);
    border-left-color: var(--primary);
    box-shadow: var(--shadow-hover);
}
.scenario-num {
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(232,68,90,0.15);
    line-height: 1;
    margin-bottom: 12px;
}
.scenario-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}
.scenario-card p { font-size: 14px; color: var(--gray); line-height: 1.7; }

/* ===== 更新日志 ===== */
.changelog-list { max-width: 800px; margin: 0 auto; }
.changelog-item {
    display: flex;
    gap: 24px;
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
}
.changelog-item:last-child { border-bottom: none; }
.changelog-version {
    flex-shrink: 0;
    width: 90px;
    text-align: center;
}
.version-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 6px;
}
.changelog-date { font-size: 12px; color: var(--gray); }
.changelog-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 6px;
}
.changelog-content p { font-size: 14px; color: var(--gray); line-height: 1.7; }

/* ===== FAQ ===== */
.faq { background: var(--gray-light); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
    background: white;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}
.faq-question {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-weight: 600;
    color: var(--dark);
    transition: var(--transition);
    user-select: none;
}
.faq-question:hover { color: var(--primary); }
.faq-question.active { color: var(--primary); }
.faq-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(232,68,90,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 14px;
    flex-shrink: 0;
    transition: var(--transition);
}
.faq-question.active .faq-icon { transform: rotate(45deg); background: var(--primary); color: white; }
.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    font-size: 14px;
    color: var(--gray);
    line-height: 1.8;
}
.faq-answer.open { max-height: 300px; padding: 0 24px 20px; }

/* ===== 用户评价 ===== */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.review-card {
    background: white;
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid transparent;
}
.review-card:hover {
    transform: translateY(-4px);
    border-color: rgba(232,68,90,0.15);
    box-shadow: var(--shadow-hover);
}
.review-stars { color: #ffc107; font-size: 14px; margin-bottom: 14px; }
.review-text {
    font-size: 14px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
}
.review-user { display: flex; align-items: center; gap: 12px; }
.review-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border);
}
.review-name { font-weight: 700; font-size: 14px; color: var(--dark); }
.review-role { font-size: 12px; color: var(--gray); }

/* ===== 联系我们 ===== */
.contact { background: var(--gray-light); }
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}
.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}
.contact-info p { font-size: 15px; color: var(--gray); margin-bottom: 30px; line-height: 1.8; }
.contact-items { display: flex; flex-direction: column; gap: 16px; }
.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: white;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
}
.contact-item-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, rgba(232,68,90,0.1), rgba(255,140,66,0.1));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}
.contact-item-text .label { font-size: 12px; color: var(--gray); margin-bottom: 2px; }
.contact-item-text .value { font-size: 15px; font-weight: 600; color: var(--dark); }
.contact-form { background: white; border-radius: var(--radius); padding: 36px; box-shadow: var(--shadow); }
.contact-form h3 { font-size: 1.2rem; font-weight: 700; color: var(--dark); margin-bottom: 24px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--dark); margin-bottom: 8px; }
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: #333;
    outline: none;
    transition: var(--transition);
    font-family: inherit;
    background: white;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(232,68,90,0.1); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* ===== 页脚 ===== */
.site-footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding: 60px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo { color: white; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 280px; }
.footer-col h4 {
    font-size: 15px;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-bottom {
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--primary-light); }

/* ===== 内页样式 ===== */
.page-hero {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
    padding: 60px 0;
    color: white;
}
.page-hero h1 { font-size: 2.2rem; font-weight: 800; margin-bottom: 12px; }
.page-hero p { font-size: 1rem; color: rgba(255,255,255,0.7); max-width: 600px; }
.content-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    padding: 60px 0;
}
.sidebar { position: sticky; top: 90px; }
.sidebar-card {
    background: white;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}
.sidebar-card h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
}
.sidebar-links li { margin-bottom: 10px; }
.sidebar-links li a {
    font-size: 14px;
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}
.sidebar-links li a:hover { color: var(--primary); padding-left: 6px; }
.article-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    transition: var(--transition);
}
.article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.article-img {
    aspect-ratio: 16/9;
    overflow: hidden;
}
.article-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.article-card:hover .article-img img { transform: scale(1.05); }
.article-body { padding: 24px; }
.article-body .tag { margin-bottom: 12px; }
.article-body h2 { font-size: 1.1rem; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.article-body p { font-size: 14px; color: var(--gray); line-height: 1.8; margin-bottom: 16px; }
.article-meta { font-size: 12px; color: var(--gray); display: flex; gap: 16px; }

/* ===== 下载中心 ===== */
.download-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.download-card {
    background: white;
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}
.download-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.download-icon { font-size: 3rem; margin-bottom: 16px; }
.download-card h3 { font-size: 1rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.download-card p { font-size: 13px; color: var(--gray); margin-bottom: 20px; }
.download-info { font-size: 12px; color: var(--gray); margin-top: 12px; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .videos-grid { grid-template-columns: repeat(2, 1fr); }
    .reviews-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero-title { font-size: 2.2rem; }
}

@media (max-width: 768px) {
    .hero-content { grid-template-columns: 1fr; gap: 40px; }
    .hero-image { display: none; }
    .hero-title { font-size: 1.8rem; }
    .section { padding: 60px 0; }
    .section-title { font-size: 1.5rem; }
    .scenarios-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .content-grid { grid-template-columns: 1fr; }
    .sidebar { position: static; }
    .download-grid { grid-template-columns: 1fr; }
    .nav-menu { display: none; }
    .hamburger { display: flex; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
    .hero-stats { gap: 20px; }
    .hero-stat .num { font-size: 1.4rem; }
}

@media (max-width: 480px) {
    .features-grid { grid-template-columns: 1fr; }
    .videos-grid { grid-template-columns: 1fr; }
    .reviews-grid { grid-template-columns: 1fr; }
    .hero-btns { flex-direction: column; }
    .btn { text-align: center; }
}

/* ===== 工具类 ===== */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.hidden { display: none; }
.flex-center { display: flex; align-items: center; justify-content: center; }

/* ===== 动画 ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeInUp 0.6s ease forwards; }

/* ===== 移动端导航 ===== */
.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    border-bottom: 1px solid var(--border);
    padding: 20px;
    z-index: 999;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.mobile-nav.open { display: block; }
.mobile-nav a {
    display: block;
    padding: 12px 16px;
    font-size: 15px;
    font-weight: 500;
    color: #444;
    border-radius: 8px;
    margin-bottom: 4px;
}
.mobile-nav a:hover { background: var(--gray-light); color: var(--primary); }

/* ===== 视频播放模态框 ===== */
.video-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}
.video-modal.open { display: flex; }
.modal-inner {
    background: #000;
    border-radius: var(--radius);
    overflow: hidden;
    width: 90%;
    max-width: 800px;
    position: relative;
}
.modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.2);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 18px;
    cursor: pointer;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}
.modal-video {
    width: 100%;
    aspect-ratio: 16/9;
    background: #111;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.5);
    font-size: 14px;
}