/* ============================================
   溏心 - 原创样式表
   配色：珊瑚粉 #FF6B8A / 暖橙 #FFB088 / 深紫 #2D1B4E / 浅灰 #F8F5F2
   ============================================ */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#333;background:#F8F5F2;line-height:1.8}
a{color:#FF6B8A;text-decoration:none;transition:color .3s}
a:hover{color:#e0456a}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 干扰标签隐藏 */
.jrb{position:absolute;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none;z-index:-9999}

/* ===== 顶部导航 ===== */
.tx-header{background:linear-gradient(135deg,#2D1B4E 0%,#4A2D6E 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(45,27,78,.3)}
.tx-header .container{display:flex;align-items:center;justify-content:space-between;height:68px}
.tx-logo{display:flex;align-items:center;gap:10px}
.tx-logo img{height:42px;width:42px;border-radius:8px}
.tx-logo span{color:#fff;font-size:1.25rem;font-weight:700;letter-spacing:1px}
.tx-nav{display:flex;gap:6px;align-items:center}
.tx-nav a{color:rgba(255,255,255,.85);padding:8px 14px;border-radius:20px;font-size:.9rem;transition:all .3s}
.tx-nav a:hover,.tx-nav a.active{background:rgba(255,107,138,.3);color:#fff}
.tx-hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.tx-hamburger span{width:24px;height:2px;background:#fff;border-radius:2px;transition:all .3s}

/* ===== 搜索框 ===== */
.tx-search{background:linear-gradient(135deg,#4A2D6E,#6B3FA0);padding:16px 0}
.tx-search-box{display:flex;max-width:600px;margin:0 auto;border-radius:30px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.15)}
.tx-search-box input{flex:1;padding:12px 24px;border:none;font-size:1rem;outline:none;background:#fff}
.tx-search-box button{background:linear-gradient(135deg,#FF6B8A,#FFB088);color:#fff;border:none;padding:12px 28px;font-size:1rem;cursor:pointer;font-weight:600;transition:opacity .3s}
.tx-search-box button:hover{opacity:.85}

/* ===== Banner ===== */
.tx-banner{position:relative;overflow:hidden;max-height:480px}
.tx-banner img{width:100%;object-fit:cover;min-height:300px}
.tx-banner-overlay{position:absolute;inset:0;background:linear-gradient(to right,rgba(45,27,78,.85) 0%,rgba(45,27,78,.4) 50%,transparent 100%);display:flex;align-items:center}
.tx-banner-text{padding:40px 60px;max-width:600px}
.tx-banner-text h1{color:#fff;font-size:2.4rem;margin-bottom:16px;line-height:1.3;text-shadow:0 2px 8px rgba(0,0,0,.3)}
.tx-banner-text p{color:rgba(255,255,255,.9);font-size:1.1rem;margin-bottom:24px}
.tx-btn{display:inline-block;padding:12px 32px;border-radius:30px;font-weight:600;font-size:1rem;transition:all .3s;cursor:pointer}
.tx-btn-primary{background:linear-gradient(135deg,#FF6B8A,#FFB088);color:#fff;box-shadow:0 4px 15px rgba(255,107,138,.4)}
.tx-btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,107,138,.5);color:#fff}

/* ===== 通用板块 ===== */
.tx-section{padding:60px 0}
.tx-section:nth-child(even){background:#fff}
.tx-section-title{text-align:center;margin-bottom:40px}
.tx-section-title h2{font-size:2rem;color:#2D1B4E;position:relative;display:inline-block;padding-bottom:12px}
.tx-section-title h2::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(135deg,#FF6B8A,#FFB088);border-radius:2px}
.tx-section-title p{color:#888;margin-top:12px;font-size:1rem}

/* ===== 视频卡片网格 ===== */
.tx-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.tx-grid-3{grid-template-columns:repeat(3,1fr)}
.tx-grid-2{grid-template-columns:repeat(2,1fr)}

.tx-vcard{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:all .4s;position:relative}
.tx-vcard:hover{transform:translateY(-6px);box-shadow:0 12px 35px rgba(255,107,138,.15)}
.tx-vcard-thumb{position:relative;overflow:hidden;aspect-ratio:3/4}
.tx-vcard-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.tx-vcard:hover .tx-vcard-thumb img{transform:scale(1.08)}
.tx-vcard-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(45,27,78,.4);opacity:0;transition:opacity .3s}
.tx-vcard:hover .tx-vcard-play{opacity:1}
.tx-vcard-play span{width:56px;height:56px;background:rgba(255,107,138,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 15px rgba(255,107,138,.5)}
.tx-vcard-play span::after{content:"";border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.tx-vcard-dur{position:absolute;bottom:10px;right:10px;background:rgba(0,0,0,.7);color:#fff;padding:3px 8px;border-radius:4px;font-size:.75rem}
.tx-vcard-info{padding:14px 16px}
.tx-vcard-info h3{font-size:.95rem;color:#2D1B4E;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tx-vcard-meta{display:flex;gap:12px;color:#999;font-size:.8rem}
.tx-vcard-meta span::before{margin-right:3px}
.tx-vcard-tag{display:inline-block;background:rgba(255,107,138,.1);color:#FF6B8A;padding:2px 8px;border-radius:10px;font-size:.75rem;margin-top:6px}

/* video preview */
.tx-vcard-thumb video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .3s}
.tx-vcard:hover .tx-vcard-thumb video{opacity:1}

/* ===== 分类标签栏 ===== */
.tx-tabs{display:flex;gap:10px;justify-content:center;margin-bottom:30px;flex-wrap:wrap}
.tx-tabs a{padding:8px 20px;border-radius:20px;background:#fff;color:#666;border:1px solid #eee;font-size:.9rem;transition:all .3s}
.tx-tabs a:hover,.tx-tabs a.active{background:linear-gradient(135deg,#FF6B8A,#FFB088);color:#fff;border-color:transparent}

/* ===== 专家卡片 ===== */
.tx-expert{background:#fff;border-radius:16px;padding:30px;text-align:center;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:all .3s}
.tx-expert:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(255,107,138,.12)}
.tx-expert img{width:100px;height:100px;border-radius:50%;margin:0 auto 16px;object-fit:cover;border:3px solid #FFB088}
.tx-expert h4{color:#2D1B4E;font-size:1.1rem;margin-bottom:4px}
.tx-expert .role{color:#FF6B8A;font-size:.85rem;margin-bottom:10px}
.tx-expert p{color:#888;font-size:.85rem;line-height:1.6}
.tx-expert-btns{display:flex;gap:10px;justify-content:center;margin-top:16px}
.tx-expert-btns a{padding:6px 16px;border-radius:20px;font-size:.8rem;border:1px solid #FF6B8A;color:#FF6B8A;transition:all .3s}
.tx-expert-btns a:hover{background:#FF6B8A;color:#fff}

/* ===== FAQ ===== */
.tx-faq-item{background:#fff;border-radius:12px;margin-bottom:12px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.tx-faq-q{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#2D1B4E;transition:background .3s}
.tx-faq-q:hover{background:rgba(255,107,138,.05)}
.tx-faq-q::after{content:"+";font-size:1.4rem;color:#FF6B8A;transition:transform .3s}
.tx-faq-item.open .tx-faq-q::after{transform:rotate(45deg)}
.tx-faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 24px}
.tx-faq-item.open .tx-faq-a{max-height:300px;padding:0 24px 18px}
.tx-faq-a p{color:#666;line-height:1.8}

/* ===== 用户评价 ===== */
.tx-review{background:#fff;border-radius:16px;padding:24px;box-shadow:0 4px 20px rgba(0,0,0,.06)}
.tx-review-stars{color:#FFB088;font-size:1.1rem;margin-bottom:10px}
.tx-review p{color:#555;font-style:italic;line-height:1.7;margin-bottom:12px}
.tx-review-user{display:flex;align-items:center;gap:10px}
.tx-review-user strong{color:#2D1B4E;font-size:.9rem}
.tx-review-user span{color:#999;font-size:.8rem}

/* ===== AI赋能 ===== */
.tx-ai-card{background:linear-gradient(135deg,#2D1B4E,#4A2D6E);border-radius:16px;padding:30px;color:#fff;text-align:center;transition:all .3s}
.tx-ai-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(45,27,78,.3)}
.tx-ai-card .icon{font-size:2.5rem;margin-bottom:16px}
.tx-ai-card h4{font-size:1.1rem;margin-bottom:10px;color:#FFB088}
.tx-ai-card p{color:rgba(255,255,255,.7);font-size:.9rem;line-height:1.6}

/* ===== 社区功能 ===== */
.tx-community-card{background:#fff;border-radius:16px;padding:24px;text-align:center;border:2px solid transparent;transition:all .3s}
.tx-community-card:hover{border-color:#FF6B8A;box-shadow:0 8px 25px rgba(255,107,138,.1)}
.tx-community-card .icon{width:60px;height:60px;background:linear-gradient(135deg,#FF6B8A,#FFB088);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:1.5rem}
.tx-community-card h4{color:#2D1B4E;margin-bottom:8px}
.tx-community-card p{color:#888;font-size:.85rem}

/* ===== 合作品牌 ===== */
.tx-partners{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center}
.tx-partners .partner{background:#fff;padding:20px 30px;border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,.05);font-weight:700;color:#2D1B4E;font-size:1.1rem;transition:all .3s}
.tx-partners .partner:hover{box-shadow:0 4px 15px rgba(255,107,138,.15);transform:translateY(-2px)}

/* ===== 联系我们 ===== */
.tx-contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.tx-contact-card{background:#fff;border-radius:16px;padding:30px;box-shadow:0 4px 20px rgba(0,0,0,.06)}
.tx-contact-card h4{color:#2D1B4E;margin-bottom:16px;font-size:1.1rem}
.tx-contact-card p{color:#666;margin-bottom:8px;font-size:.9rem}

/* ===== 页脚 ===== */
.tx-footer{background:linear-gradient(135deg,#1A0F30,#2D1B4E);color:rgba(255,255,255,.7);padding:50px 0 20px}
.tx-footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:40px}
.tx-footer h4{color:#FFB088;margin-bottom:16px;font-size:1rem}
.tx-footer a{color:rgba(255,255,255,.6);display:block;margin-bottom:8px;font-size:.9rem;transition:color .3s}
.tx-footer a:hover{color:#FF6B8A}
.tx-footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.tx-footer-logo img{height:36px;width:36px;border-radius:6px}
.tx-footer-logo span{color:#fff;font-weight:700;font-size:1.1rem}
.tx-footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center;font-size:.85rem}
.tx-footer-qr{display:flex;gap:20px;margin-top:12px}
.tx-footer-qr img{width:100px;height:100px;border-radius:8px}

/* ===== 面包屑 ===== */
.tx-breadcrumb{padding:12px 0;font-size:.85rem;color:#999}
.tx-breadcrumb a{color:#FF6B8A}
.tx-breadcrumb span{margin:0 6px;color:#ccc}

/* ===== How-To指南 ===== */
.tx-howto-steps{counter-reset:step}
.tx-howto-step{display:flex;gap:20px;margin-bottom:24px;align-items:flex-start}
.tx-howto-step::before{counter-increment:step;content:counter(step);width:40px;height:40px;min-width:40px;background:linear-gradient(135deg,#FF6B8A,#FFB088);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem}
.tx-howto-step div h4{color:#2D1B4E;margin-bottom:4px}
.tx-howto-step div p{color:#666;font-size:.9rem}

/* ===== 社交分享 ===== */
.tx-share{display:flex;gap:12px;justify-content:center;margin-top:20px}
.tx-share a{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:.9rem;transition:all .3s}
.tx-share a:hover{transform:translateY(-3px)}
.tx-share .wx{background:#07C160}
.tx-share .wb{background:#E6162D}
.tx-share .dy{background:#111}
.tx-share .bl{background:#00A1D6}

/* ===== 回到顶部 ===== */
.tx-backtop{position:fixed;bottom:30px;right:30px;width:44px;height:44px;background:linear-gradient(135deg,#FF6B8A,#FFB088);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;cursor:pointer;opacity:0;transition:all .3s;box-shadow:0 4px 15px rgba(255,107,138,.4);z-index:999}
.tx-backtop.show{opacity:1}
.tx-backtop:hover{transform:translateY(-3px)}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .tx-grid{grid-template-columns:repeat(3,1fr)}
  .tx-footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .tx-header .container{height:56px}
  .tx-nav{display:none;position:absolute;top:56px;left:0;right:0;background:#2D1B4E;flex-direction:column;padding:20px;gap:4px;box-shadow:0 8px 20px rgba(0,0,0,.2)}
  .tx-nav.open{display:flex}
  .tx-hamburger{display:flex}
  .tx-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .tx-grid-3{grid-template-columns:repeat(2,1fr)}
  .tx-banner-text{padding:20px 30px}
  .tx-banner-text h1{font-size:1.6rem}
  .tx-section{padding:40px 0}
  .tx-section-title h2{font-size:1.5rem}
  .tx-contact-grid{grid-template-columns:1fr}
  .tx-footer-grid{grid-template-columns:1fr}
  .tx-grid-2{grid-template-columns:1fr}
}
@media(max-width:480px){
  .tx-grid{grid-template-columns:1fr}
  .tx-grid-3{grid-template-columns:1fr}
  .tx-banner-text h1{font-size:1.3rem}
  .tx-tabs a{padding:6px 14px;font-size:.8rem}
}