/* ============================================
   糖心vlog - 影视传媒与视频社区 全站样式
   品牌色：#FF6B6B(珊瑚粉) #FFD93D(琥珀金) #2D1B69(深紫)
   域名：Lwdwnm.cn
   ============================================ */

/* === 基础重置 === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;color:#2a2a2a;line-height:1.75;background:#faf7f5;overflow-x:hidden}
a{color:#FF6B6B;text-decoration:none;transition:color .3s}
a:hover{color:#e04545}
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}

/* === 全局容器 === */
.tx-container{max-width:1200px;margin:0 auto;padding:0 20px}
.tx-section{padding:60px 0}
.tx-section-alt{background:#fff}

/* === 顶部导航 === */
.tx-header{background:linear-gradient(135deg,#2D1B69 0%,#1a1a2e 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,.15)}
.tx-nav{display:flex;align-items:center;justify-content:space-between;padding:0 20px;max-width:1200px;margin:0 auto;height:68px}
.tx-nav-logo{display:flex;align-items:center;gap:10px}
.tx-nav-logo img{height:42px;width:auto}
.tx-nav-logo span{color:#fff;font-size:20px;font-weight:700;letter-spacing:1px}
.tx-nav-menu{display:flex;gap:6px;align-items:center}
.tx-nav-menu a{color:rgba(255,255,255,.85);padding:8px 16px;border-radius:8px;font-size:15px;transition:all .3s}
.tx-nav-menu a:hover,.tx-nav-menu a.active{background:rgba(255,107,107,.2);color:#FF6B6B}
.tx-mobile-toggle{display:none;color:#fff;font-size:28px;cursor:pointer;background:none;border:none}

/* === 搜索框 === */
.tx-search-bar{background:linear-gradient(90deg,#2D1B69,#3d2b7a);padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.tx-search-wrap{max-width:680px;margin:0 auto;display:flex;gap:0;padding:0 20px}
.tx-search-wrap input{flex:1;padding:10px 18px;border:2px solid rgba(255,107,107,.3);border-right:none;border-radius:25px 0 0 25px;background:rgba(255,255,255,.08);color:#fff;font-size:15px;outline:none;transition:border-color .3s}
.tx-search-wrap input::placeholder{color:rgba(255,255,255,.4)}
.tx-search-wrap input:focus{border-color:#FF6B6B;background:rgba(255,255,255,.12)}
.tx-search-wrap button{padding:10px 28px;background:linear-gradient(135deg,#FF6B6B,#ee5a5a);color:#fff;border:none;border-radius:0 25px 25px 0;cursor:pointer;font-size:15px;font-weight:600;transition:all .3s}
.tx-search-wrap button:hover{background:linear-gradient(135deg,#ee5a5a,#d44)}

/* === Banner === */
.tx-banner{position:relative;height:520px;overflow:hidden;background:#1a1a2e}
.tx-banner img{width:100%;height:100%;object-fit:cover;opacity:.7}
.tx-banner-overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;background:linear-gradient(180deg,rgba(45,27,105,.4) 0%,rgba(26,26,46,.7) 100%);padding:20px}
.tx-banner h1{color:#fff;font-size:42px;margin-bottom:16px;text-shadow:0 2px 12px rgba(0,0,0,.4)}
.tx-banner h1 em{font-style:normal;color:#FF6B6B}
.tx-banner p{color:rgba(255,255,255,.9);font-size:18px;max-width:700px;line-height:1.8;margin-bottom:24px}
.tx-banner .tx-btn-group{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}

/* === 按钮 === */
.tx-btn{display:inline-block;padding:12px 32px;border-radius:30px;font-size:15px;font-weight:600;transition:all .3s;cursor:pointer;border:none}
.tx-btn-primary{background:linear-gradient(135deg,#FF6B6B,#ee5a5a);color:#fff;box-shadow:0 4px 15px rgba(255,107,107,.3)}
.tx-btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,107,107,.4);color:#fff}
.tx-btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.5)}
.tx-btn-outline:hover{background:rgba(255,255,255,.1);border-color:#FF6B6B;color:#FF6B6B}
.tx-btn-gold{background:linear-gradient(135deg,#FFD93D,#f0c830);color:#2D1B69;box-shadow:0 4px 15px rgba(255,217,61,.3)}

/* === 面包屑 === */
.tx-breadcrumb{padding:14px 0;font-size:14px;color:#888}
.tx-breadcrumb a{color:#FF6B6B}
.tx-breadcrumb span{margin:0 6px;color:#ccc}

/* === 栏目标题 === */
.tx-title-wrap{text-align:center;margin-bottom:45px}
.tx-title-wrap h2{font-size:32px;color:#1a1a2e;margin-bottom:10px;position:relative;display:inline-block}
.tx-title-wrap h2::after{content:'';position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#FF6B6B,#FFD93D);border-radius:3px}
.tx-title-wrap p{color:#777;font-size:16px;margin-top:18px}

/* === 视频卡片网格 === */
.tx-video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.tx-video-card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:all .35s;position:relative}
.tx-video-card:hover{transform:translateY(-6px);box-shadow:0 12px 35px rgba(255,107,107,.12)}
.tx-video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#1a1a2e}
.tx-video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.tx-video-card:hover .tx-video-thumb img{transform:scale(1.08)}
.tx-video-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.35);opacity:0;transition:opacity .3s}
.tx-video-card:hover .tx-video-play{opacity:1}
.tx-video-play-btn{width:56px;height:56px;background:rgba(255,107,107,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(255,107,107,.4);transition:transform .3s}
.tx-video-play-btn::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.tx-video-card:hover .tx-video-play-btn{transform:scale(1.1)}
.tx-video-info{padding:16px}
.tx-video-info h3{font-size:15px;color:#1a1a2e;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tx-video-meta{display:flex;justify-content:space-between;font-size:12px;color:#999}
.tx-video-tag{display:inline-block;padding:2px 10px;background:rgba(255,107,107,.1);color:#FF6B6B;border-radius:12px;font-size:12px;margin-bottom:6px}
.tx-video-stats{display:flex;gap:12px;font-size:12px;color:#aaa;margin-top:6px}
.tx-video-stats span::before{margin-right:3px}
.tx-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.7);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px}

/* === 模块卡片 === */
.tx-module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tx-module-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.05);transition:all .35s;padding:30px;text-align:center}
.tx-module-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(255,107,107,.1)}
.tx-module-icon{width:64px;height:64px;margin:0 auto 18px;background:linear-gradient(135deg,#FF6B6B,#FFD93D);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:28px;color:#fff}
.tx-module-card h3{font-size:18px;color:#1a1a2e;margin-bottom:10px}
.tx-module-card p{font-size:14px;color:#777;line-height:1.7}

/* === 专家卡片 === */
.tx-expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.tx-expert-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.05);text-align:center;padding:30px 20px;transition:all .35s}
.tx-expert-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(255,107,107,.1)}
.tx-expert-avatar{width:100px;height:100px;border-radius:50%;margin:0 auto 16px;overflow:hidden;border:3px solid #FF6B6B;box-shadow:0 4px 15px rgba(255,107,107,.2)}
.tx-expert-avatar img{width:100%;height:100%;object-fit:cover}
.tx-expert-card h4{font-size:17px;color:#1a1a2e;margin-bottom:4px}
.tx-expert-card .tx-role{color:#FF6B6B;font-size:13px;margin-bottom:10px}
.tx-expert-card p{font-size:13px;color:#888;line-height:1.6}
.tx-expert-actions{display:flex;gap:8px;justify-content:center;margin-top:14px}
.tx-expert-actions a{padding:6px 16px;border-radius:20px;font-size:12px}

/* === FAQ === */
.tx-faq-list{max-width:800px;margin:0 auto}
.tx-faq-item{background:#fff;border-radius:12px;margin-bottom:14px;box-shadow:0 2px 12px rgba(0,0,0,.04);overflow:hidden}
.tx-faq-q{padding:18px 24px;font-weight:600;color:#1a1a2e;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.tx-faq-q:hover{background:rgba(255,107,107,.04)}
.tx-faq-q::after{content:'+';font-size:22px;color:#FF6B6B;transition:transform .3s}
.tx-faq-item.active .tx-faq-q::after{transform:rotate(45deg)}
.tx-faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:all .4s;color:#666;line-height:1.8;font-size:15px}
.tx-faq-item.active .tx-faq-a{padding:0 24px 18px;max-height:500px}

/* === 评论 === */
.tx-review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.tx-review-card{background:#fff;border-radius:14px;padding:24px;box-shadow:0 4px 16px rgba(0,0,0,.04)}
.tx-review-header{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.tx-review-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#FF6B6B,#FFD93D);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:18px}
.tx-review-name{font-weight:600;color:#1a1a2e;font-size:15px}
.tx-review-stars{color:#FFD93D;font-size:14px;margin-top:2px}
.tx-review-text{color:#666;font-size:14px;line-height:1.8}
.tx-review-date{color:#bbb;font-size:12px;margin-top:10px}

/* === 合作品牌 === */
.tx-partner-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;padding:20px 0}
.tx-partner-item{width:120px;height:60px;background:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px rgba(0,0,0,.05);padding:10px;font-weight:700;color:#999;font-size:14px;transition:all .3s}
.tx-partner-item:hover{box-shadow:0 4px 15px rgba(255,107,107,.1);color:#FF6B6B}

/* === 联系我们 === */
.tx-contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.tx-contact-info{background:#fff;border-radius:16px;padding:30px;box-shadow:0 4px 20px rgba(0,0,0,.05)}
.tx-contact-info h3{font-size:20px;color:#1a1a2e;margin-bottom:18px;padding-bottom:12px;border-bottom:2px solid rgba(255,107,107,.2)}
.tx-contact-item{display:flex;gap:12px;margin-bottom:16px;align-items:flex-start}
.tx-contact-icon{width:36px;height:36px;background:linear-gradient(135deg,#FF6B6B,#FFD93D);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;flex-shrink:0}
.tx-contact-item p{font-size:14px;color:#666;line-height:1.6}
.tx-contact-item strong{color:#1a1a2e}
.tx-qrcode-grid{display:flex;gap:24px;justify-content:center}
.tx-qrcode-item{text-align:center}
.tx-qrcode-item img{width:140px;height:140px;border-radius:10px;margin-bottom:8px}
.tx-qrcode-item p{font-size:13px;color:#888}

/* === 社交分享 === */
.tx-share-bar{display:flex;gap:12px;justify-content:center;padding:20px 0}
.tx-share-btn{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;transition:all .3s;cursor:pointer}
.tx-share-btn:hover{transform:translateY(-3px)}
.tx-share-wechat{background:#07c160}
.tx-share-weibo{background:#e6162d}
.tx-share-douyin{background:#161823}
.tx-share-bilibili{background:#00a1d6}

/* === 页脚 === */
.tx-footer{background:linear-gradient(135deg,#1a1a2e 0%,#2D1B69 100%);color:rgba(255,255,255,.7);padding:50px 0 0}
.tx-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.tx-footer h4{color:#fff;font-size:17px;margin-bottom:18px;position:relative;padding-bottom:10px}
.tx-footer h4::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:linear-gradient(90deg,#FF6B6B,#FFD93D)}
.tx-footer p{font-size:14px;line-height:1.8;margin-bottom:8px}
.tx-footer a{color:rgba(255,255,255,.6);font-size:14px;display:block;margin-bottom:8px;transition:color .3s}
.tx-footer a:hover{color:#FF6B6B}
.tx-footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.tx-footer-logo img{height:36px}
.tx-footer-logo span{color:#fff;font-size:18px;font-weight:700}
.tx-footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:13px}
.tx-footer-bottom p{margin-bottom:4px}

/* === How-To指南 === */
.tx-howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.tx-howto-step{background:#fff;border-radius:14px;padding:28px 20px;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.04);position:relative;counter-increment:step}
.tx-howto-step::before{content:counter(step);width:40px;height:40px;background:linear-gradient(135deg,#FF6B6B,#FFD93D);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:18px;margin:0 auto 14px}
.tx-howto-step h4{font-size:16px;color:#1a1a2e;margin-bottom:8px}
.tx-howto-step p{font-size:13px;color:#888;line-height:1.6}

/* === 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-grid{grid-template-columns:repeat(2,1fr)}
.tx-howto-steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.tx-nav-menu{display:none;position:absolute;top:68px;left:0;right:0;background:#1a1a2e;flex-direction:column;padding:16px;gap:4px;box-shadow:0 8px 20px rgba(0,0,0,.2)}
.tx-nav-menu.active{display:flex}
.tx-mobile-toggle{display:block}
.tx-banner{height:380px}
.tx-banner h1{font-size:28px}
.tx-banner p{font-size:15px}
.tx-video-grid{grid-template-columns:repeat(2,1fr);gap:14px}
.tx-module-grid{grid-template-columns:1fr}
.tx-review-grid{grid-template-columns:1fr}
.tx-contact-grid{grid-template-columns:1fr}
.tx-section{padding:40px 0}
.tx-title-wrap h2{font-size:24px}
.tx-expert-grid{grid-template-columns:1fr 1fr}
.tx-howto-steps{grid-template-columns:1fr}
}
@media(max-width:480px){
.tx-video-grid{grid-template-columns:1fr}
.tx-expert-grid{grid-template-columns:1fr}
.tx-footer-grid{grid-template-columns:1fr}
}

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

/* === 动画 === */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.tx-animate{animation:fadeInUp .6s ease forwards}