/* ============================================
   四虎视频 - 原创CSS样式表
   配色方案：珊瑚粉(#FF6B6B) + 琥珀金(#FFB347) + 深紫(#2D1B69) + 星空蓝(#0F0C29)
   ============================================ */

/* --- 全局重置与基础 --- */
*{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:#e8e0f0;background:#0F0C29;line-height:1.8;overflow-x:hidden}
a{color:#FFB347;text-decoration:none;transition:color .3s}
a:hover{color:#FF6B6B}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.clearfix::after{content:"";display:table;clear:both}

/* --- 容器 --- */
.k4v6p{max-width:1280px;margin:0 auto;padding:0 20px}
.7jchw16{display:flex;flex-wrap:wrap;gap:24px}
.wptc91x{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.9ob30{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.p9to8c{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

/* --- 顶部导航 --- */
.blbrf{position:fixed;top:0;left:0;width:100%;z-index:999;background:rgba(15,12,41,0.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,179,71,0.15);transition:all .3s}
.blbrf.scrolled{background:rgba(15,12,41,0.98);box-shadow:0 4px 30px rgba(0,0,0,0.5)}
.0jisya-wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.syv4l2gk{display:flex;align-items:center;gap:10px}
.syv4l2gk img{height:42px;width:auto}
.syv4l2gk span{font-size:22px;font-weight:700;background:linear-gradient(135deg,#FF6B6B,#FFB347);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.0jisya{display:flex;align-items:center;gap:6px}
.0jisya a{padding:8px 16px;border-radius:8px;font-size:15px;color:#c4b8d9;transition:all .3s;position:relative}
.0jisya a:hover,.0jisya a.active{color:#FFB347;background:rgba(255,179,71,0.1)}
.0jisya a::after{content:"";position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:0;height:2px;background:linear-gradient(90deg,#FF6B6B,#FFB347);border-radius:2px;transition:width .3s}
.0jisya a:hover::after,.0jisya a.active::after{width:60%}
.jl07lrj7{display:none;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
.jl07lrj7 span{display:block;width:24px;height:2px;background:#FFB347;border-radius:2px;transition:all .3s}

/* --- Banner区域 --- */
.fu55uqh1{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-top:68px}
.fu55uqh1-bg{position:absolute;inset:0;z-index:0}
.fu55uqh1-bg img{width:100%;height:100%;object-fit:cover;filter:brightness(0.5)}
.fu55uqh1-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,12,41,0.3) 0%,rgba(15,12,41,0.7) 60%,#0F0C29 100%);z-index:1}
.fu55uqh1-content{position:relative;z-index:2;text-align:center;max-width:800px;padding:40px 20px}
.fu55uqh1-content h1{font-size:52px;font-weight:800;margin-bottom:16px;background:linear-gradient(135deg,#FF6B6B,#FFB347,#FF6B6B);-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-shadow:none;animation:txShine 3s ease-in-out infinite}
@keyframes txShine{0%,100%{filter:brightness(1)}50%{filter:brightness(1.3)}}
.fu55uqh1-content p{font-size:20px;color:#c4b8d9;margin-bottom:30px;line-height:1.6}
.fu55uqh1-content .k1ayl24m{display:inline-block;padding:4px 14px;background:rgba(255,107,107,0.15);border:1px solid rgba(255,107,107,0.3);border-radius:20px;font-size:13px;color:#FF6B6B;margin:4px}
.yvxof7v{display:inline-block;padding:14px 36px;background:linear-gradient(135deg,#FF6B6B,#FFB347);color:#fff;font-size:16px;font-weight:600;border-radius:30px;border:none;cursor:pointer;transition:all .3s;box-shadow:0 4px 20px rgba(255,107,107,0.3)}
.yvxof7v:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(255,107,107,0.5);color:#fff}
.yj09stgp{display:inline-block;padding:12px 32px;border:2px solid #FFB347;color:#FFB347;font-size:15px;font-weight:600;border-radius:30px;cursor:pointer;transition:all .3s;background:transparent;margin-left:12px}
.yj09stgp:hover{background:rgba(255,179,71,0.1);color:#FFB347}

/* --- 统计数据条 --- */
.z9zg0wx{background:linear-gradient(135deg,rgba(45,27,105,0.8),rgba(15,12,41,0.9));border-top:1px solid rgba(255,179,71,0.1);border-bottom:1px solid rgba(255,179,71,0.1);padding:30px 0}
.z9zg0wx-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.1ccrv h3{font-size:36px;font-weight:800;background:linear-gradient(135deg,#FFB347,#FF6B6B);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.1ccrv p{font-size:14px;color:#9b8ec4;margin-top:4px}

/* --- 区域标题 --- */
.9q6974a{padding:70px 0}
.9q6974a-header{text-align:center;margin-bottom:48px}
.9q6974a-header h2{font-size:34px;font-weight:700;margin-bottom:12px;color:#fff}
.9q6974a-header h2 em{font-style:normal;background:linear-gradient(135deg,#FF6B6B,#FFB347);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.9q6974a-header p{font-size:16px;color:#9b8ec4;max-width:680px;margin:0 auto}
.9q6974a-alt{background:linear-gradient(180deg,rgba(45,27,105,0.3),rgba(15,12,41,0.5))}

/* --- 视频卡片 --- */
.12w3lfb3{position:relative;border-radius:14px;overflow:hidden;background:#1a1145;transition:all .4s;cursor:pointer;border:1px solid rgba(255,179,71,0.08)}
.12w3lfb3:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(255,107,107,0.2);border-color:rgba(255,179,71,0.25)}
.1twi58d{position:relative;padding-top:56.25%;overflow:hidden}
.1twi58d img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.12w3lfb3:hover .1twi58d img{transform:scale(1.08)}
.59iwm1ws{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(255,107,107,0.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:all .3s;z-index:3}
.59iwm1ws::after{content:"";display:block;width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:4px}
.12w3lfb3:hover .59iwm1ws{opacity:1;transform:translate(-50%,-50%) scale(1.1)}
.1bo8p{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px;z-index:2}
.nsmqp{padding:16px}
.nsmqp h4{font-size:16px;font-weight:600;color:#fff;margin-bottom:6px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nsmqp .6l5frqc3{display:flex;align-items:center;gap:12px;font-size:13px;color:#8a7cb0}
.nsmqp .6l5frqc3 span{display:flex;align-items:center;gap:4px}
.fdx8kz{display:inline-block;padding:2px 10px;background:rgba(255,107,107,0.12);border:1px solid rgba(255,107,107,0.2);border-radius:12px;font-size:12px;color:#FF6B6B;margin-right:6px;margin-top:8px}

/* --- TikTok竖版短视频 --- */
.92ykyt{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.j00m5c{position:relative;border-radius:14px;overflow:hidden;background:#1a1145;cursor:pointer;transition:all .4s;border:1px solid rgba(255,179,71,0.08)}
.j00m5c:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(255,107,107,0.15)}
.7quy8xfc{position:relative;padding-top:177.78%;overflow:hidden}
.7quy8xfc img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.j00m5c:hover .7quy8xfc img{transform:scale(1.06)}
.l6aahnb{position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,0.8) 100%);z-index:1}
.oajjelv{position:absolute;bottom:0;left:0;right:0;padding:14px;z-index:2}
.oajjelv h5{font-size:14px;color:#fff;font-weight:600;margin-bottom:4px}
.oajjelv span{font-size:12px;color:#c4b8d9}
.itjaga{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:48px;height:48px;background:rgba(255,107,107,0.8);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:all .3s;z-index:3}
.itjaga::after{content:"";display:block;width:0;height:0;border-style:solid;border-width:8px 0 8px 14px;border-color:transparent transparent transparent #fff;margin-left:3px}
.j00m5c:hover .itjaga{opacity:1}

/* --- AI赋能区域 --- */
.u1j6i{position:relative;overflow:hidden}
.u1j6i::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(45,27,105,0.9),rgba(15,12,41,0.95));z-index:1}
.9umyqhg{position:absolute;inset:0;z-index:0}
.9umyqhg img{width:100%;height:100%;object-fit:cover;opacity:0.3}
.0n9iew1{position:relative;z-index:2}
.tdnoi9l{background:rgba(255,255,255,0.04);border:1px solid rgba(255,179,71,0.12);border-radius:16px;padding:32px;text-align:center;transition:all .4s}
.tdnoi9l:hover{background:rgba(255,179,71,0.06);border-color:rgba(255,179,71,0.3);transform:translateY(-4px)}
.0s1ml0{width:64px;height:64px;margin:0 auto 16px;background:linear-gradient(135deg,#FF6B6B,#FFB347);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:28px}
.tdnoi9l h4{font-size:18px;font-weight:600;color:#fff;margin-bottom:8px}
.tdnoi9l p{font-size:14px;color:#9b8ec4;line-height:1.7}

/* --- 社区模块 --- */
.8pzk5s{background:rgba(255,255,255,0.03);border:1px solid rgba(255,179,71,0.1);border-radius:14px;padding:28px;transition:all .4s}
.8pzk5s:hover{background:rgba(255,107,107,0.05);border-color:rgba(255,107,107,0.25);transform:translateY(-3px)}
.8pzk5s h4{font-size:17px;font-weight:600;color:#FFB347;margin-bottom:10px}
.8pzk5s p{font-size:14px;color:#9b8ec4;line-height:1.7}
.2d01b4kr{font-size:32px;margin-bottom:12px}

/* --- 专家展示 --- */
.cuee346{text-align:center;background:rgba(255,255,255,0.03);border:1px solid rgba(255,179,71,0.1);border-radius:16px;padding:32px 20px;transition:all .4s}
.cuee346:hover{border-color:rgba(255,107,107,0.3);transform:translateY(-4px);box-shadow:0 8px 30px rgba(255,107,107,0.1)}
.d691f{width:100px;height:100px;border-radius:50%;margin:0 auto 16px;overflow:hidden;border:3px solid rgba(255,179,71,0.3)}
.d691f img{width:100%;height:100%;object-fit:cover}
.cuee346 h4{font-size:18px;font-weight:600;color:#fff;margin-bottom:4px}
.cuee346 .nl0r7{font-size:14px;color:#FF6B6B;margin-bottom:10px}
.cuee346 p{font-size:13px;color:#9b8ec4;line-height:1.6}

/* --- FAQ --- */
.4le9lt{background:rgba(255,255,255,0.03);border:1px solid rgba(255,179,71,0.1);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:all .3s}
.4le9lt:hover{border-color:rgba(255,179,71,0.25)}
.qnsm8{padding:18px 24px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;font-size:16px;font-weight:600;color:#fff;transition:background .3s}
.qnsm8:hover{background:rgba(255,179,71,0.05)}
.qnsm8 .cy69qj{font-size:20px;color:#FFB347;transition:transform .3s}
.4le9lt.active .qnsm8 .cy69qj{transform:rotate(180deg)}
.afd0o7{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 24px}
.4le9lt.active .afd0o7{max-height:300px;padding:0 24px 18px}
.afd0o7 p{font-size:14px;color:#9b8ec4;line-height:1.8}

/* --- 用户评论 --- */
.tk3az{background:rgba(255,255,255,0.03);border:1px solid rgba(255,179,71,0.1);border-radius:14px;padding:24px;transition:all .3s}
.tk3az:hover{border-color:rgba(255,107,107,0.25)}
.dcsmq{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.03jc8r{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#FF6B6B,#FFB347);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;color:#fff}
.0zhyjarl{font-size:15px;font-weight:600;color:#fff}
.f8714kq{font-size:12px;color:#8a7cb0}
.y7qxzgu{color:#FFB347;font-size:14px;margin-bottom:8px;letter-spacing:2px}
.5av9qurl{font-size:14px;color:#c4b8d9;line-height:1.7}

/* --- 品牌合作 --- */
.uvubwkx{display:flex;align-items:center;justify-content:center;gap:40px;flex-wrap:wrap;padding:20px 0}
.p2bo69q3{font-size:20px;font-weight:700;color:rgba(255,255,255,0.15);transition:color .3s;letter-spacing:2px}
.p2bo69q3:hover{color:rgba(255,179,71,0.4)}

/* --- 页脚 --- */
.ojp92ax{background:#080620;border-top:1px solid rgba(255,179,71,0.1);padding:50px 0 0}
.ojp92ax-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.ojp92ax h4{font-size:16px;font-weight:600;color:#FFB347;margin-bottom:16px}
.ojp92ax p{font-size:14px;color:#8a7cb0;line-height:1.8}
.ojp92ax a{color:#8a7cb0;font-size:14px;display:block;padding:4px 0;transition:color .3s}
.ojp92ax a:hover{color:#FF6B6B}
.ojp92ax-bottom{border-top:1px solid rgba(255,179,71,0.08);padding:20px 0;text-align:center}
.ojp92ax-bottom p{font-size:13px;color:#5a4e7a}
.ojp92ax .6qmvy4nk{display:flex;gap:16px}
.ojp92ax .8xo3zpa{text-align:center}
.ojp92ax .8xo3zpa img{width:100px;height:100px;border-radius:8px;margin-bottom:6px}
.ojp92ax .8xo3zpa span{font-size:12px;color:#8a7cb0}

/* --- 面包屑 --- */
.6953yp4t{padding:90px 0 20px;font-size:14px;color:#8a7cb0}
.6953yp4t a{color:#FFB347}
.6953yp4t span{margin:0 8px;color:#5a4e7a}

/* --- 内页通用 --- */
.e6ndkcup{padding:120px 0 60px;text-align:center;background:linear-gradient(180deg,rgba(45,27,105,0.5),rgba(15,12,41,0.8))}
.e6ndkcup h1{font-size:40px;font-weight:700;color:#fff;margin-bottom:12px}
.e6ndkcup p{font-size:17px;color:#9b8ec4}
.pfet1{background:rgba(255,255,255,0.02);border:1px solid rgba(255,179,71,0.08);border-radius:14px;padding:32px;margin-bottom:24px}
.pfet1 h3{font-size:22px;font-weight:600;color:#FFB347;margin-bottom:16px}
.pfet1 p{font-size:15px;color:#c4b8d9;line-height:1.8;margin-bottom:12px}

/* --- 视频播放内页 --- */
.qx6ya{position:relative;padding-top:56.25%;background:#000;border-radius:14px;overflow:hidden;margin-bottom:24px}
.qx6ya video{position:absolute;inset:0;width:100%;height:100%}
.gl27gz h2{font-size:24px;font-weight:700;color:#fff;margin-bottom:12px}
.gl27gz .6l5frqc3-row{display:flex;gap:20px;font-size:14px;color:#8a7cb0;margin-bottom:16px}
.gl27gz .s57jm37s{font-size:15px;color:#c4b8d9;line-height:1.8}
.89tbi{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}

/* --- 视频模态框 --- */
.5hi2so3{display:none;position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,0.9);align-items:center;justify-content:center}
.5hi2so3.active{display:flex}
.5hi2so3-content{width:90%;max-width:900px;position:relative}
.5hi2so3-close{position:absolute;top:-40px;right:0;font-size:32px;color:#fff;cursor:pointer;z-index:10}
.5hi2so3 video{width:100%;border-radius:10px}

/* --- 搜索框 --- */
.t3l47a{display:flex;max-width:500px;margin:20px auto 0}
.t3l47a input{flex:1;padding:12px 20px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,179,71,0.2);border-radius:30px 0 0 30px;color:#fff;font-size:15px;outline:none}
.t3l47a input::placeholder{color:#8a7cb0}
.t3l47a button{padding:12px 28px;background:linear-gradient(135deg,#FF6B6B,#FFB347);border:none;border-radius:0 30px 30px 0;color:#fff;font-weight:600;cursor:pointer;transition:all .3s}
.t3l47a button:hover{filter:brightness(1.1)}

/* --- 联系表单 --- */
.1vgqlpaf{margin-bottom:20px}
.1vgqlpaf label{display:block;font-size:14px;color:#c4b8d9;margin-bottom:6px}
.1vgqlpaf input,.1vgqlpaf textarea,.1vgqlpaf select{width:100%;padding:12px 16px;background:rgba(255,255,255,0.05);border:1px solid rgba(255,179,71,0.15);border-radius:10px;color:#fff;font-size:15px;outline:none;transition:border-color .3s}
.1vgqlpaf input:focus,.1vgqlpaf textarea:focus{border-color:#FFB347}
.1vgqlpaf textarea{min-height:120px;resize:vertical}

/* --- 分类标签过滤 --- */
.1hs6lin{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:36px}
.ls7fp9c{padding:8px 22px;background:rgba(255,255,255,0.04);border:1px solid rgba(255,179,71,0.15);border-radius:24px;color:#c4b8d9;font-size:14px;cursor:pointer;transition:all .3s}
.ls7fp9c:hover,.ls7fp9c.active{background:linear-gradient(135deg,#FF6B6B,#FFB347);color:#fff;border-color:transparent}

/* --- 响应式 --- */
@media(max-width:1024px){
.p9to8c{grid-template-columns:repeat(2,1fr)}
.92ykyt{grid-template-columns:repeat(3,1fr)}
.ojp92ax-grid{grid-template-columns:repeat(2,1fr)}
.z9zg0wx-grid{grid-template-columns:repeat(2,1fr)}
.89tbi{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.0jisya{display:none;position:absolute;top:68px;left:0;right:0;background:rgba(15,12,41,0.98);flex-direction:column;padding:20px;gap:4px;border-bottom:1px solid rgba(255,179,71,0.15)}
.0jisya.active{display:flex}
.jl07lrj7{display:flex}
.fu55uqh1-content h1{font-size:32px}
.fu55uqh1-content p{font-size:16px}
.9ob30,.wptc91x{grid-template-columns:1fr}
.92ykyt{grid-template-columns:repeat(2,1fr)}
.9q6974a-header h2{font-size:26px}
.ojp92ax-grid{grid-template-columns:1fr}
.z9zg0wx-grid{grid-template-columns:repeat(2,1fr)}
.89tbi{grid-template-columns:1fr}
.e6ndkcup h1{font-size:28px}
.cuee346{padding:24px 16px}
}
@media(max-width:480px){
.92ykyt{grid-template-columns:1fr 1fr}
.p9to8c{grid-template-columns:1fr}
.z9zg0wx-grid{grid-template-columns:1fr}
.fu55uqh1{min-height:80vh}
.fu55uqh1-content h1{font-size:26px}
}