/* 小小绘 原创样式表 - 橙红渐变风格 */
:root {
    --primary-color: #ff501e;
    --secondary-color: #ff8c00;
    --dark-color: #1a1a1a;
    --light-color: #f8f9fa;
    --text-color: #333333;
    --gray-color: #888888;
    --border-color: #eeeeee;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --shadow: 0 4px 15px rgba(0,0,0,0.08);
    --radius: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; line-height: 1.6; color: var(--text-color); background-color: var(--white); }
a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }
.bg-light { background-color: var(--light-color); }

/* 按钮 */
.btn { display: inline-block; padding: 10px 24px; border-radius: 30px; font-weight: 600; cursor: pointer; transition: all 0.3s; text-align: center; border: none; }
.btn-primary { background: var(--gradient); color: var(--white); box-shadow: 0 4px 10px rgba(255,80,30,0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 15px rgba(255,80,30,0.4); }
.btn-outline { border: 2px solid var(--primary-color); color: var(--primary-color); background: transparent; }
.btn-outline:hover { background: var(--primary-color); color: var(--white); }
.btn-large { padding: 14px 36px; font-size: 18px; }
.btn-text { color: var(--primary-color); font-weight: bold; }
.btn-text:hover { text-decoration: underline; }

/* 头部导航 */
.header { background: var(--white); box-shadow: 0 2px 10px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 100; }
.header-container { display: flex; justify-content: space-between; align-items: center; height: 70px; }
.logo-img { height: 40px; }
.main-nav ul { display: flex; gap: 25px; }
.main-nav a { font-weight: 600; font-size: 16px; position: relative; padding-bottom: 5px; }
.main-nav a:hover { color: var(--primary-color); }
.main-nav a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 3px; background: var(--gradient); transition: width 0.3s; border-radius: 3px; }
.main-nav a:hover::after { width: 100%; }

/* 搜索框 */
.search-bar { background: var(--light-color); padding: 15px 0; border-top: 1px solid var(--border-color); }
.search-form { display: flex; max-width: 600px; margin: 0 auto; }
.search-form input { flex: 1; padding: 12px 20px; border: 1px solid #ddd; border-radius: 25px 0 0 25px; font-size: 14px; outline: none; }
.search-form input:focus { border-color: var(--primary-color); }
.search-form button { padding: 0 25px; background: var(--gradient); color: var(--white); border: none; border-radius: 0 25px 25px 0; cursor: pointer; font-weight: bold; }

/* 面包屑 */
.breadcrumb { padding: 15px 0; background: #f5f5f5; font-size: 14px; color: var(--gray-color); }
.breadcrumb a { color: var(--primary-color); }

/* Hero Section */
.31tgn5 { position: relative; height: 500px; display: flex; align-items: center; overflow: hidden; }
.cxhyd { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; }
.upaqk32w { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to right, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.4) 100%); z-index: 2; }
.q2u5hn { position: relative; z-index: 3; color: var(--white); max-width: 800px; }
.hero-title { font-size: 48px; font-weight: 800; margin-bottom: 10px; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-subtitle { font-size: 28px; margin-bottom: 20px; font-weight: 600; }
.hero-desc { font-size: 18px; margin-bottom: 30px; opacity: 0.9; }
.drp4ydt { display: flex; gap: 15px; }

/* 页面通用结构 */
.section { padding: 80px 0; }
.1anfkf9 { text-align: center; margin-bottom: 50px; }
.1anfkf9 h2 { font-size: 32px; color: var(--dark-color); margin-bottom: 10px; position: relative; display: inline-block; }
.1anfkf9 h2::after { content: ''; position: absolute; bottom: -10px; left: 50%; transform: translateX(-50%); width: 60px; height: 4px; background: var(--gradient); border-radius: 2px; }
.1anfkf9 p { color: var(--gray-color); font-size: 16px; margin-top: 20px; }

/* 视频卡片网格 */
.his60 { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 30px; }
.video-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform 0.3s; }
.video-card:hover { transform: translateY(-5px); }
.video-thumb { position: relative; padding-top: 56.25%; overflow: hidden; cursor: pointer; background: #000; }
.video-thumb img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; opacity: 0.8; }
.video-thumb:hover img { transform: scale(1.05); opacity: 1; }
.play-btn { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.8); width: 60px; height: 60px; background: rgba(255,80,30,0.9); border-radius: 50%; display: flex; justify-content: center; align-items: center; opacity: 0; transition: all 0.3s; z-index: 2; }
.play-btn::after { content: ''; width: 0; height: 0; border-top: 10px solid transparent; border-bottom: 10px solid transparent; border-left: 16px solid white; margin-left: 5px; }
.video-thumb.playing .play-btn { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.video-duration { position: absolute; bottom: 10px; right: 10px; background: rgba(0,0,0,0.7); color: white; padding: 3px 8px; border-radius: 4px; font-size: 12px; font-weight: bold; z-index: 2; }
.video-info { padding: 20px; }
.video-title { font-size: 18px; font-weight: 600; margin-bottom: 10px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.video-meta { display: flex; justify-content: space-between; font-size: 13px; color: var(--gray-color); margin-bottom: 12px; }
.video-desc { font-size: 14px; color: #666; margin-bottom: 15px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.video-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag { background: #fff0eb; color: var(--primary-color); padding: 4px 10px; border-radius: 20px; font-size: 12px; }

/* AI特性卡片 */
.5eujn1g { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.q5tx9za { background: var(--white); padding: 40px 30px; border-radius: var(--radius); text-align: center; box-shadow: var(--shadow); transition: all 0.3s; }
.q5tx9za:hover { transform: translateY(-10px); }
.feature-icon { font-size: 50px; margin-bottom: 20px; }
.q5tx9za h3 { font-size: 20px; margin-bottom: 15px; color: var(--dark-color); }
.q5tx9za p { color: var(--gray-color); }

/* 专家展示 */
.9srt3jg8 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
.fuzxf7 { display: flex; background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.fuzxf7 img { width: 200px; height: 250px; object-fit: cover; }
.expert-info { padding: 30px; flex: 1; display: flex; flex-direction: column; }
.expert-info h3 { font-size: 24px; color: var(--dark-color); }
.expert-title { color: var(--primary-color); font-weight: bold; margin-bottom: 15px; font-size: 14px; }
.expert-desc { color: var(--gray-color); margin-bottom: auto; }
.expert-actions { display: flex; gap: 20px; margin-top: 20px; }

/* 用户评论 */
.celz8 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.6phm1cuz { background: var(--white); padding: 30px; border-radius: var(--radius); box-shadow: var(--shadow); position: relative; }
.6phm1cuz::before { content: '"'; position: absolute; top: 10px; right: 20px; font-size: 80px; color: #f0f0f0; font-family: serif; line-height: 1; }
.review-stars { color: #ffc107; font-size: 20px; margin-bottom: 15px; }
.review-text { font-size: 16px; font-style: italic; margin-bottom: 20px; position: relative; z-index: 1; }
.review-author { font-weight: bold; color: var(--primary-color); }

/* FAQ 手风琴 */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--white); border-radius: 8px; margin-bottom: 15px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); overflow: hidden; }
.faq-question { padding: 20px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: bold; color: var(--dark-color); }
.faq-toggle { font-size: 24px; color: var(--primary-color); transition: transform 0.3s; }
.faq-answer { padding: 0 20px; max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out, padding 0.3s ease; color: var(--gray-color); }
.faq-item.active .faq-answer { padding: 0 20px 20px; max-height: 200px; }
.faq-item.active .faq-toggle { transform: rotate(45deg); }

/* How-To 指南 */
.ojci4onz { display: flex; gap: 50px; align-items: center; }
.krll7u2c { flex: 1; }
.krll7u2c h2 { font-size: 32px; margin-bottom: 30px; color: var(--dark-color); }
.kh50g2 li { margin-bottom: 20px; font-size: 16px; padding-left: 30px; position: relative; }
.kh50g2 li::before { content: '✓'; position: absolute; left: 0; color: var(--primary-color); font-weight: bold; }
.op0ad25 { flex: 1; }
.iquz4tt { background: var(--white); padding: 40px; border-radius: var(--radius); box-shadow: var(--shadow); text-align: center; }
.iquz4tt h3 { margin-bottom: 30px; color: var(--dark-color); }
.r0ajk { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.r0ajk span { display: block; padding: 15px; background: var(--light-color); border-radius: 8px; font-weight: bold; color: var(--gray-color); }

/* 底部区域 */
.footer { background: var(--dark-color); color: #ccc; padding: 60px 0 20px; }
.3y1l9 { display: grid; grid-template-columns: 2fr 1fr 1.5fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-logo { height: 40px; margin-bottom: 20px; filter: brightness(0) invert(1); }
.footer h3 { color: var(--white); font-size: 18px; margin-bottom: 20px; }
.footer ul li { margin-bottom: 10px; }
.footer a:hover { color: var(--primary-color); }
.social-share { margin-top: 20px; }
.social-share a { display: inline-block; margin: 0 5px; color: var(--white); background: rgba(255,255,255,0.1); padding: 5px 10px; border-radius: 4px; font-size: 12px; }
.social-share a:hover { background: var(--primary-color); }
.3tcfghx { display: flex; flex-direction: column; gap: 20px; }
.qr-item { text-align: center; }
.qr-item img { width: 100px; height: 100px; margin: 0 auto 10px; border-radius: 8px; }
.qr-item span { display: block; font-size: 12px; }
.mm4res5n { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; display: flex; justify-content: space-between; font-size: 14px; }

/* 内页特定样式 */
.g4pfepp { background: var(--dark-color); color: var(--white); padding: 60px 0; text-align: center; }
.g4pfepp h1 { font-size: 36px; margin-bottom: 15px; color: var(--primary-color); }
.mlothc { display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; }
.tab { padding: 8px 20px; background: var(--light-color); border-radius: 20px; font-weight: bold; }
.tab.active, .tab:hover { background: var(--primary-color); color: var(--white); }
.pagination { display: flex; justify-content: center; gap: 10px; margin-top: 50px; }
.page-link, .page-current { display: inline-block; width: 40px; height: 40px; line-height: 40px; text-align: center; border-radius: 50%; font-weight: bold; }
.page-link { background: var(--light-color); color: var(--dark-color); }
.page-link:hover { background: #e0e0e0; }
.page-current { background: var(--gradient); color: var(--white); }

/* 社区特定样式 */
.jrs977 { display: flex; gap: 40px; }
.frdp9f4 { flex: 2; }
.sidebar { flex: 1; }
.ynv41ah { border-bottom: 1px solid var(--border-color); padding: 20px 0; }
.88zm4us { color: var(--primary-color); font-weight: bold; font-size: 14px; margin-bottom: 5px; display: inline-block; }
.ynv41ah h3 { font-size: 18px; margin-bottom: 10px; cursor: pointer; }
.ynv41ah h3:hover { color: var(--primary-color); }
.uk7n2gj8 { font-size: 12px; color: var(--gray-color); }
.widget { background: var(--light-color); padding: 25px; border-radius: var(--radius); margin-bottom: 30px; }
.widget h3 { border-bottom: 2px solid var(--primary-color); padding-bottom: 10px; margin-bottom: 20px; display: inline-block; }
.ranking-list li { padding: 10px 0; border-bottom: 1px dashed #ddd; display: flex; align-items: center; }
.rank { display: inline-block; width: 24px; height: 24px; text-align: center; line-height: 24px; background: #ccc; color: white; border-radius: 50%; margin-right: 10px; font-size: 12px; font-weight: bold; }
.rank.top { background: var(--primary-color); }

/* MCP 挂件模拟 */
.mcp-widget { position: fixed; bottom: 20px; right: 20px; width: 300px; background: var(--white); border-radius: var(--radius); box-shadow: 0 10px 30px rgba(0,0,0,0.2); z-index: 1000; overflow: hidden; border: 1px solid var(--border-color); }
.mcp-header { background: var(--gradient); color: var(--white); padding: 15px; font-weight: bold; text-align: center; }
.mcp-body { padding: 20px; font-size: 14px; color: var(--text-color); }

/* 移动端适配 */
.menu-toggle { display: none; background: none; border: none; cursor: pointer; }
.menu-toggle span { display: block; width: 25px; height: 3px; background: var(--dark-color); margin: 5px 0; transition: 0.3s; }

@media (max-width: 992px) {
    .5eujn1g, .9srt3jg8, .celz8 { grid-template-columns: 1fr; }
    .3y1l9 { grid-template-columns: 1fr 1fr; }
    .ojci4onz, .jrs977 { flex-direction: column; }
    .fuzxf7 { flex-direction: column; }
    .fuzxf7 img { width: 100%; height: auto; }
}

@media (max-width: 768px) {
    .main-nav { display: none; position: absolute; top: 70px; left: 0; width: 100%; background: var(--white); box-shadow: 0 5px 10px rgba(0,0,0,0.1); padding: 20px 0; }
    .main-nav.active { display: block; }
    .main-nav ul { flex-direction: column; align-items: center; gap: 15px; }
    .menu-toggle { display: block; }
    .hero-title { font-size: 36px; }
    .hero-subtitle { font-size: 20px; }
    .3y1l9 { grid-template-columns: 1fr; text-align: center; }
    .3tcfghx { flex-direction: row; justify-content: center; }
    .search-form { padding: 0 20px; }
}