/* ============================================
   糖心vlog - 原创品牌主题样式表
   品牌色系：珊瑚粉 #FF6B8A / 玫瑰金 #E8A0BF / 深玫红 #C94070
   hz64.cn
   ============================================ */

/* CSS Reset & Base */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#2d2d2d;background:#fafafa;line-height:1.7;overflow-x:hidden}
a{color:#FF6B8A;text-decoration:none;transition:color .3s}
a:hover{color:#C94070}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:#1a1a2e}

/* ===== 顶部导航 ===== */
.tx-header{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,.15)}
.tx-header-inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:64px}
.tx-logo{display:flex;align-items:center;gap:10px}
.tx-logo img{height:40px;width:auto}
.tx-logo span{color:#fff;font-size:20px;font-weight:700;letter-spacing:1px}
.tx-nav{display:flex;align-items:center;gap:0}
.tx-nav a{color:rgba(255,255,255,.85);padding:20px 16px;font-size:14px;transition:all .3s;position:relative}
.tx-nav a:hover,.tx-nav a.active{color:#FF6B8A}
.tx-nav a::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:0;height:3px;background:linear-gradient(90deg,#FF6B8A,#E8A0BF);transition:width .3s;border-radius:2px}
.tx-nav a:hover::after,.tx-nav a.active::after{width:70%}
.tx-mobile-toggle{display:none;color:#fff;font-size:24px;cursor:pointer;background:none;border:none}

/* ===== 搜索框 ===== */
.tx-search-bar{background:linear-gradient(90deg,#FF6B8A 0%,#E8A0BF 50%,#C94070 100%);padding:12px 0}
.tx-search-inner{max-width:680px;margin:0 auto;display:flex;padding:0 20px}
.tx-search-inner input{flex:1;border:none;padding:10px 20px;border-radius:25px 0 0 25px;font-size:15px;outline:none;background:#fff}
.tx-search-inner button{background:#1a1a2e;color:#fff;border:none;padding:10px 28px;border-radius:0 25px 25px 0;cursor:pointer;font-size:15px;transition:background .3s}
.tx-search-inner button:hover{background:#C94070}

/* ===== 公告栏（时效性） ===== */
.tx-notice-bar{background:#FFF5F7;border-bottom:1px solid #FFE4EC;padding:10px 0;overflow:hidden}
.tx-notice-inner{display:flex;align-items:center;gap:12px}
.tx-notice-tag{background:linear-gradient(135deg,#FF6B8A,#C94070);color:#fff;font-size:12px;padding:3px 12px;border-radius:12px;font-weight:700;white-space:nowrap;animation:pulse 2s infinite}
.tx-notice-scroll{overflow:hidden;flex:1;position:relative;height:24px}
.tx-notice-scroll span{display:block;font-size:13px;color:#666;white-space:nowrap;animation:noticeScroll 16s linear infinite;position:absolute;top:0;left:0}
.tx-notice-scroll span:nth-child(2){animation-delay:4s}
.tx-notice-scroll span:nth-child(3){animation-delay:8s}
.tx-notice-scroll span:nth-child(4){animation-delay:12s}
@keyframes noticeScroll{
  0%{opacity:0;transform:translateY(100%)}
  5%{opacity:1;transform:translateY(0)}
  20%{opacity:1;transform:translateY(0)}
  25%{opacity:0;transform:translateY(-100%)}
  100%{opacity:0;transform:translateY(-100%)}
}
@keyframes pulse{
  0%,100%{opacity:1}
  50%{opacity:.7}
}

/* ===== 面包屑 ===== */
.tx-breadcrumb{max-width:1280px;margin:0 auto;padding:12px 20px;font-size:13px;color:#888}
.tx-breadcrumb a{color:#FF6B8A}
.tx-breadcrumb span{margin:0 6px;color:#ccc}

/* ===== Hero Banner ===== */
.tx-hero{position:relative;overflow:hidden;max-height:520px}
.tx-hero img{width:100%;object-fit:cover;min-height:320px}
.tx-hero-overlay{position:absolute;inset:0;background:linear-gradient(to right,rgba(26,26,46,.85) 0%,rgba(26,26,46,.4) 60%,transparent 100%);display:flex;align-items:center;padding:0 60px}
.tx-hero-text{max-width:560px;color:#fff}
.tx-hero-text h1{font-size:38px;margin-bottom:12px;text-shadow:0 2px 10px rgba(0,0,0,.3)}
.tx-hero-text h1 em{font-style:normal;color:#FF6B8A}
.tx-hero-text p{font-size:16px;opacity:.9;margin-bottom:24px;line-height:1.8}
.tx-hero-text .tx-btn{display:inline-block;padding:12px 36px;background:linear-gradient(135deg,#FF6B8A,#C94070);color:#fff;border-radius:30px;font-size:15px;font-weight:600;transition:transform .3s,box-shadow .3s}
.tx-hero-text .tx-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(255,107,138,.4)}

/* ===== 通用容器 ===== */
.tx-container{max-width:1280px;margin:0 auto;padding:0 20px}

/* ===== 区块标题 ===== */
.tx-section{padding:50px 0}
.tx-section-title{text-align:center;margin-bottom:40px}
.tx-section-title h2{font-size:30px;color:#1a1a2e;margin-bottom:8px}
.tx-section-title h2 em{font-style:normal;color:#FF6B8A}
.tx-section-title p{color:#777;font-size:15px}
.tx-section-title .tx-line{width:60px;height:4px;background:linear-gradient(90deg,#FF6B8A,#E8A0BF);margin:12px auto 0;border-radius:2px}

/* ===== 视频卡片网格 ===== */
.tx-video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.tx-video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:transform .3s,box-shadow .3s;cursor:pointer}
.tx-video-card:hover{transform:translateY(-6px);box-shadow:0 12px 35px rgba(255,107,138,.15)}
.tx-video-card .tx-thumb{position:relative;overflow:hidden;aspect-ratio:4/3}
.tx-video-card .tx-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.tx-video-card:hover .tx-thumb img{transform:scale(1.08)}
.tx-video-card .tx-play-icon{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.25);opacity:0;transition:opacity .3s}
.tx-video-card:hover .tx-play-icon{opacity:1}
.tx-video-card .tx-play-icon i{width:56px;height:56px;background:rgba(255,107,138,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px}
.tx-video-card .tx-play-icon i::after{content:'';width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:4px}
.tx-video-card .tx-card-body{padding:14px 16px}
.tx-video-card .tx-card-body h3{font-size:15px;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5}
.tx-video-card .tx-card-body .tx-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:#999}
.tx-video-card .tx-card-body .tx-meta span{display:flex;align-items:center;gap:3px}
.tx-video-card .tx-tag{position:absolute;top:10px;left:10px;background:linear-gradient(135deg,#FF6B8A,#C94070);color:#fff;font-size:11px;padding:3px 10px;border-radius:12px;font-weight:600}
.tx-video-card .tx-duration{position:absolute;bottom:10px;right:10px;background:rgba(0,0,0,.75);color:#fff;font-size:11px;padding:2px 8px;border-radius:4px;font-weight:600;letter-spacing:.5px}

/* ===== 分类标签 ===== */
.tx-tabs{display:flex;gap:10px;justify-content:center;margin-bottom:30px;flex-wrap:wrap}
.tx-tabs a{padding:8px 22px;border-radius:20px;font-size:14px;color:#666;background:#f0f0f0;transition:all .3s}
.tx-tabs a:hover,.tx-tabs a.active{background:linear-gradient(135deg,#FF6B8A,#C94070);color:#fff}

/* ===== 服务网格（6列） ===== */
.tx-service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tx-service-icon{width:80px;height:80px;background:linear-gradient(135deg,#FF6B8A,#C94070);border-radius:20px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:36px;color:#fff}

/* ===== 社区功能网格（6列） ===== */
.tx-community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}

/* ===== 专家展示 ===== */
.tx-expert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.tx-expert-card{background:#fff;border-radius:16px;padding:30px;text-align:center;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:transform .3s}
.tx-expert-card:hover{transform:translateY(-4px)}
.tx-expert-card img{width:120px;height:120px;border-radius:50%;object-fit:cover;margin:0 auto 16px;border:4px solid #FFE4EC}
.tx-expert-card h4{font-size:18px;margin-bottom:4px}
.tx-expert-card .tx-role{color:#FF6B8A;font-size:13px;margin-bottom:10px}
.tx-expert-card p{font-size:13px;color:#777;margin-bottom:16px;line-height:1.7}
.tx-expert-card .tx-expert-btns{display:flex;gap:10px;justify-content:center}
.tx-expert-card .tx-expert-btns a{padding:6px 18px;border-radius:20px;font-size:13px;border:1px solid #FF6B8A;color:#FF6B8A;transition:all .3s}
.tx-expert-card .tx-expert-btns a:hover{background:#FF6B8A;color:#fff}

/* ===== 资质展示 ===== */
.tx-credential-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.tx-credential-item{text-align:center;padding:30px 20px;background:#fff;border-radius:16px;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:transform .3s}
.tx-credential-item:hover{transform:translateY(-4px)}
.tx-credential-icon{font-size:48px;margin-bottom:16px;display:block}
.tx-credential-item h5{font-size:16px;margin-bottom:8px;color:#1a1a2e}
.tx-credential-item p{font-size:13px;color:#777;line-height:1.7}

/* ===== FAQ 手风琴 ===== */
.tx-faq-list{max-width:800px;margin:0 auto}
.tx-faq-item{background:#fff;border-radius:12px;margin-bottom:12px;box-shadow:0 2px 12px rgba(0,0,0,.04);overflow:hidden}
.tx-faq-item .tx-faq-q{padding:18px 24px;font-size:15px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.tx-faq-item .tx-faq-q:hover{background:#FFF5F7}
.tx-faq-item .tx-faq-q::after{content:'+';font-size:22px;color:#FF6B8A;transition:transform .3s}
.tx-faq-item.open .tx-faq-q::after{transform:rotate(45deg)}
.tx-faq-item .tx-faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s;font-size:14px;color:#666;line-height:1.8}
.tx-faq-item.open .tx-faq-a{max-height:300px;padding:0 24px 18px}

/* ===== 用户评论 ===== */
.tx-review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tx-review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 16px rgba(0,0,0,.05)}
.tx-review-card .tx-stars{color:#FFB800;font-size:14px;margin-bottom:10px;letter-spacing:2px}
.tx-review-card p{font-size:14px;color:#555;line-height:1.8;margin-bottom:14px}
.tx-review-card .tx-reviewer{display:flex;align-items:center;gap:10px;font-size:13px;color:#999}
.tx-review-card .tx-reviewer .tx-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#FF6B8A,#E8A0BF);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px}

/* ===== 合作品牌 ===== */
.tx-partner-wall{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center}
.tx-partner-wall .tx-partner-item{background:#fff;padding:16px 30px;border-radius:10px;box-shadow:0 2px 10px rgba(0,0,0,.04);font-size:16px;font-weight:600;color:#555;transition:all .3s}
.tx-partner-wall .tx-partner-item:hover{box-shadow:0 4px 20px rgba(255,107,138,.15);color:#FF6B8A}

/* ===== How-To 指南 ===== */
.tx-howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:30px}
.tx-howto-step{text-align:center;padding:24px;background:#fff;border-radius:12px;box-shadow:0 2px 12px rgba(0,0,0,.04)}
.tx-howto-step .tx-step-num{width:48px;height:48px;background:linear-gradient(135deg,#FF6B8A,#C94070);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;margin:0 auto 14px}
.tx-howto-step h4{font-size:16px;margin-bottom:8px}
.tx-howto-step p{font-size:13px;color:#777;line-height:1.7}

/* ===== 联系我们 ===== */
.tx-contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.tx-contact-info{background:#fff;border-radius:16px;padding:30px;box-shadow:0 4px 20px rgba(0,0,0,.06)}
.tx-contact-info h3{font-size:20px;margin-bottom:20px;color:#1a1a2e}
.tx-contact-info .tx-info-item{display:flex;gap:12px;margin-bottom:16px;font-size:14px;color:#555}
.tx-contact-info .tx-info-item .tx-icon{width:36px;height:36px;background:#FFF0F3;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#FF6B8A;font-weight:700;flex-shrink:0}
.tx-contact-qr{display:flex;gap:30px;justify-content:center}
.tx-contact-qr .tx-qr-item{text-align:center}
.tx-contact-qr .tx-qr-item img{width:160px;height:160px;object-fit:cover;border-radius:10px;margin-bottom:8px}
.tx-contact-qr .tx-qr-item span{font-size:13px;color:#777}

/* ===== 社交分享 ===== */
.tx-share-bar{display:flex;gap:12px;justify-content:center;padding:20px 0}
.tx-share-bar a{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;transition:transform .3s}
.tx-share-bar a:hover{transform:scale(1.15)}
.tx-share-bar .tx-wechat{background:#07C160}
.tx-share-bar .tx-weibo{background:#E6162D}
.tx-share-bar .tx-douyin{background:#161823}
.tx-share-bar .tx-bilibili{background:#00A1D6}

/* ===== 页脚 ===== */
.tx-footer{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);color:rgba(255,255,255,.7);padding:50px 0 0}
.tx-footer-inner{max-width:1280px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.tx-footer h4{color:#fff;font-size:16px;margin-bottom:16px}
.tx-footer p,.tx-footer a{font-size:13px;color:rgba(255,255,255,.6);line-height:2}
.tx-footer a:hover{color:#FF6B8A}
.tx-footer .tx-footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.tx-footer .tx-footer-logo img{height:36px}
.tx-footer .tx-footer-logo span{color:#fff;font-size:18px;font-weight:700}
.tx-footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding:20px;text-align:center;font-size:12px;color:rgba(255,255,255,.4)}

/* ===== 视频标签云 ===== */
.tx-tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:20px}
.tx-tag-cloud a{padding:6px 16px;border-radius:16px;font-size:13px;background:#FFF0F3;color:#C94070;transition:all .3s}
.tx-tag-cloud a:hover{background:linear-gradient(135deg,#FF6B8A,#C94070);color:#fff}

/* ===== 内页视频播放 ===== */
.tx-player-wrap{max-width:960px;margin:30px auto;background:#000;border-radius:12px;overflow:hidden;aspect-ratio:16/9}
.tx-player-wrap video{width:100%;height:100%;object-fit:contain}
.tx-video-info{max-width:960px;margin:0 auto;padding:20px 0}
.tx-video-info h1{font-size:24px;margin-bottom:12px}
.tx-video-info .tx-video-stats{display:flex;gap:20px;font-size:14px;color:#888;margin-bottom:16px;flex-wrap:wrap}
.tx-video-info .tx-video-desc{font-size:14px;color:#555;line-height:1.8;background:#fff;padding:20px;border-radius:12px}
.tx-video-info .tx-video-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tx-video-info .tx-video-tags a{padding:4px 14px;border-radius:14px;font-size:12px;background:#FFF0F3;color:#C94070}

/* ===== 内页通用 ===== */
.tx-page-header{background:linear-gradient(135deg,#1a1a2e 0%,#2d1b4e 100%);padding:50px 0;text-align:center;color:#fff}
.tx-page-header h1{font-size:32px;margin-bottom:8px}
.tx-page-header h1 em{font-style:normal;color:#FF6B8A}
.tx-page-header p{opacity:.8;font-size:15px}
.tx-page-content{max-width:960px;margin:40px auto;padding:0 20px}
.tx-page-content p{font-size:15px;line-height:2;color:#444;margin-bottom:20px}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .tx-video-grid{grid-template-columns:repeat(3,1fr)}
  .tx-expert-grid{grid-template-columns:repeat(2,1fr)}
  .tx-footer-inner{grid-template-columns:1fr 1fr}
  .tx-howto-steps{grid-template-columns:repeat(2,1fr)}
  .tx-service-grid{grid-template-columns:repeat(2,1fr)}
  .tx-community-grid{grid-template-columns:repeat(2,1fr)}
  .tx-credential-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .tx-nav{display:none;position:absolute;top:64px;left:0;right:0;background:#1a1a2e;flex-direction:column;padding:10px 0;box-shadow:0 10px 30px rgba(0,0,0,.2)}
  .tx-nav.open{display:flex}
  .tx-nav a{padding:12px 24px}
  .tx-mobile-toggle{display:block}
  .tx-video-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .tx-expert-grid{grid-template-columns:1fr}
  .tx-review-grid{grid-template-columns:1fr}
  .tx-hero-overlay{padding:0 24px}
  .tx-hero-text h1{font-size:26px}
  .tx-contact-grid{grid-template-columns:1fr}
  .tx-footer-inner{grid-template-columns:1fr}
  .tx-howto-steps{grid-template-columns:1fr}
  .tx-service-grid{grid-template-columns:1fr}
  .tx-community-grid{grid-template-columns:1fr}
  .tx-credential-grid{grid-template-columns:1fr}
  .tx-section{padding:30px 0}
  .tx-section-title h2{font-size:24px}
  .tx-review-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .tx-video-grid{grid-template-columns:1fr}
  .tx-header-inner{height:56px}
  .tx-hero-text h1{font-size:22px}
}

/* ===== 懒加载 ===== */
img[loading="lazy"]{opacity:0;transition:opacity .5s}
img[loading="lazy"].loaded,img[loading="lazy"][src]{opacity:1}

/* ===== 动画 ===== */
.tx-fade-in{opacity:0;transform:translateY(20px);transition:opacity .6s,transform .6s}
.tx-fade-in.visible{opacity:1;transform:translateY(0)}