/* ===== 色虎视频 - 全站样式表 ===== */
/* 原创配色方案：虎红 #E63946 | 深邃蓝 #1D3557 | 暖橙 #F4A261 | 暗夜黑 #0A0E17 */

/* Reset & Base */
*,*::before,*::after{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;background:#0A0E17;color:#F1FAEE;line-height:1.7;overflow-x:hidden}
a{color:#F4A261;text-decoration:none;transition:color .3s}
a:hover{color:#E63946}
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:#F1FAEE}

/* Container */
.k5m808k5{max-width:1200px;margin:0 auto;padding:0 20px}

/* ===== Header & Navigation ===== */
.jsi29i{background:rgba(10,14,23,.95);backdrop-filter:blur(10px);position:fixed;top:0;left:0;width:100%;z-index:1000;border-bottom:1px solid rgba(230,57,70,.2);transition:background .3s}
.w3s76g{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;max-width:1200px;margin:0 auto}
.m6doqzm{display:flex;align-items:center;gap:10px}
.m6doqzm img{height:42px;width:auto}
.gf0ai9c{font-size:1.4rem;font-weight:800;color:#E63946;letter-spacing:1px}
.gf0ai9c span{color:#F4A261}

.ml28v{display:flex;align-items:center;gap:0}
.ml28v a{padding:12px 18px;font-size:.95rem;color:#A8B2C1;font-weight:500;position:relative;transition:all .3s}
.ml28v a:hover,.ml28v a.active{color:#E63946}
.ml28v a::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:0;height:2px;background:#E63946;transition:width .3s}
.ml28v a:hover::after,.ml28v a.active::after{width:60%}

.l17kf{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.l17kf span{width:24px;height:2px;background:#F1FAEE;transition:all .3s}

/* ===== Search Bar ===== */
.tbf1x{background:rgba(20,27,45,.8);padding:12px 0;border-bottom:1px solid rgba(29,53,87,.5);margin-top:65px}
.ycqc1bfy{max-width:600px;margin:0 auto;display:flex;gap:0;padding:0 20px}
.ycqc1bfy input{flex:1;padding:10px 18px;background:rgba(241,250,238,.08);border:1px solid rgba(168,178,193,.2);border-right:none;border-radius:6px 0 0 6px;color:#F1FAEE;font-size:.9rem;outline:none;transition:border-color .3s}
.ycqc1bfy input:focus{border-color:#E63946}
.ycqc1bfy input::placeholder{color:#A8B2C1}
.ycqc1bfy button{padding:10px 24px;background:#E63946;color:#fff;border:none;border-radius:0 6px 6px 0;cursor:pointer;font-size:.9rem;font-weight:600;transition:background .3s}
.ycqc1bfy button:hover{background:#c62d3a}

/* ===== Hero Section ===== */
.q0qvfa{position:relative;height:520px;overflow:hidden}
.b0znh{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.6)}
.y67a2zi{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,23,.3) 0%,rgba(10,14,23,.85) 100%)}
.phszp5e{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:0 20px}
.q0qvfa h1{font-size:2.8rem;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,.5)}
.q0qvfa h1 .strg1qoj{color:#E63946}
.q0qvfa p{font-size:1.15rem;color:#A8B2C1;max-width:650px;margin-bottom:24px}
.ssf78hd{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.ssf78hd span{padding:6px 16px;background:rgba(230,57,70,.15);border:1px solid rgba(230,57,70,.3);border-radius:20px;font-size:.85rem;color:#F4A261}

/* ===== Section Common ===== */
.section{padding:60px 0}
.zvxnwfg{text-align:center;margin-bottom:40px}
.zvxnwfg h2{font-size:1.8rem;margin-bottom:10px}
.zvxnwfg h2 .hl{color:#E63946}
.zvxnwfg p{color:#A8B2C1;font-size:1rem;max-width:600px;margin:0 auto}
.txtfncuz{background:rgba(20,27,45,.5)}

/* ===== Video Cards Grid ===== */
.j5zwo{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.kdx5b395{background:#141B2D;border-radius:10px;overflow:hidden;transition:transform .3s,box-shadow .3s;cursor:pointer}
.kdx5b395:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(230,57,70,.15)}
.lv2bzh{position:relative;padding-top:56.25%;overflow:hidden}
.lv2bzh img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.kdx5b395:hover .lv2bzh img{transform:scale(1.08)}
.lv2bzh video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.kdx5b395:hover .lv2bzh video{transform:scale(1.08)}
.cqqf5a{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:52px;height:52px;background:rgba(230,57,70,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;pointer-events:none}
.cqqf5a::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.kdx5b395:hover .cqqf5a{opacity:1}
.b6g8on{padding:14px}
.b6g8on h3{font-size:.95rem;margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.q7wic{display:flex;gap:12px;font-size:.8rem;color:#A8B2C1}
.q7wic span{display:flex;align-items:center;gap:4px}
.pdzm0{display:inline-block;font-size:.75rem;color:#A8B2C1;margin-left:8px}
.ama81pjh{display:inline-block;padding:2px 8px;background:rgba(244,162,97,.12);color:#F4A261;border-radius:4px;font-size:.75rem;margin-top:6px}

/* ===== Feature Modules ===== */
.qxu971lk{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.gkxw81dt{background:#141B2D;border-radius:12px;padding:30px 24px;text-align:center;border:1px solid rgba(29,53,87,.4);transition:all .3s}
.gkxw81dt:hover{border-color:#E63946;transform:translateY(-4px)}
.tp9fweu{width:60px;height:60px;margin:0 auto 16px;background:linear-gradient(135deg,#E63946,#F4A261);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.6rem}
.gkxw81dt h3{font-size:1.05rem;margin-bottom:8px}
.gkxw81dt p{font-size:.88rem;color:#A8B2C1;line-height:1.6}

/* ===== Expert Section ===== */
.b9j8b8l{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.r2l78lc{background:#141B2D;border-radius:12px;padding:28px;text-align:center;border:1px solid rgba(29,53,87,.4);transition:all .3s}
.r2l78lc:hover{border-color:#F4A261}
.vt09od60{width:90px;height:90px;border-radius:50%;margin:0 auto 14px;overflow:hidden;border:3px solid #E63946}
.vt09od60 img{width:100%;height:100%;object-fit:cover}
.r2l78lc h3{font-size:1rem;margin-bottom:4px}
.r2l78lc .title{color:#F4A261;font-size:.85rem;margin-bottom:10px}
.r2l78lc p{font-size:.85rem;color:#A8B2C1;margin-bottom:14px;line-height:1.5}
.gtt1fx{display:flex;gap:10px;justify-content:center}
.c4oweuyk{padding:6px 16px;border-radius:6px;font-size:.8rem;font-weight:600;transition:all .3s;display:inline-block}
.y1cz5{background:#E63946;color:#fff}
.y1cz5:hover{background:#c62d3a;color:#fff}
.id0p6f4u{border:1px solid #F4A261;color:#F4A261}
.id0p6f4u:hover{background:#F4A261;color:#0A0E17}

/* ===== Partner Logos ===== */
.hy9kbx{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center}
.sfkpn1{background:rgba(241,250,238,.06);border:1px solid rgba(168,178,193,.15);border-radius:10px;padding:18px 28px;font-size:.95rem;font-weight:600;color:#A8B2C1;transition:all .3s}
.sfkpn1:hover{border-color:#E63946;color:#F1FAEE}

/* ===== Articles ===== */
.wkmvk{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.u99fzyxv{background:#141B2D;border-radius:12px;padding:24px;border:1px solid rgba(29,53,87,.4);transition:all .3s}
.u99fzyxv:hover{border-color:#E63946;transform:translateY(-4px)}
.u99fzyxv h3{font-size:1rem;margin-bottom:10px;color:#F1FAEE;line-height:1.5}
.u99fzyxv p{font-size:.9rem;color:#A8B2C1;line-height:1.7;margin-bottom:12px}
.sqnerk4m{display:flex;gap:16px;font-size:.8rem;color:#7A8599;flex-wrap:wrap}
.sqnerk4m time{color:#F4A261}

/* ===== FAQ Section ===== */
.ek45z0{max-width:800px;margin:0 auto}
.th89dhf{background:#141B2D;border-radius:10px;margin-bottom:12px;border:1px solid rgba(29,53,87,.4);overflow:hidden}
.omnjuiyd{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:.95rem;transition:color .3s}
.omnjuiyd:hover{color:#E63946}
.omnjuiyd::after{content:'+';font-size:1.3rem;color:#E63946;transition:transform .3s}
.faq-item.active .omnjuiyd::after{transform:rotate(45deg)}
.elgxbrx{padding:0 24px;max-height:0;overflow:hidden;transition:all .4s ease;color:#A8B2C1;font-size:.9rem;line-height:1.7}
.faq-item.active .elgxbrx{padding:0 24px 18px;max-height:300px}

/* ===== Reviews ===== */
.xjwazfu{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.drwhfyvy{background:#141B2D;border-radius:12px;padding:24px;border:1px solid rgba(29,53,87,.4)}
.ng6xt{color:#F4A261;font-size:1rem;margin-bottom:10px;letter-spacing:2px}
.drwhfyvy p{font-size:.9rem;color:#A8B2C1;line-height:1.6;margin-bottom:12px;font-style:italic}
.t0aa1{font-size:.85rem;font-weight:600;color:#F1FAEE}
.ikomz{font-size:.78rem;color:#A8B2C1}

/* ===== Contact Section ===== */
.leg8shqc{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;align-items:start}
.x3mw668{background:#141B2D;border-radius:12px;padding:30px;border:1px solid rgba(29,53,87,.4)}
.x3mw668 h3{font-size:1.1rem;margin-bottom:16px;color:#E63946}
.oub9w6k{display:flex;gap:10px;margin-bottom:12px;font-size:.9rem;color:#A8B2C1;align-items:flex-start}
.oub9w6k strong{color:#F1FAEE;min-width:70px}
.yhgmpk{display:flex;gap:20px;margin-top:20px}
.kab9wx{text-align:center}
.kab9wx img{width:120px;height:120px;border-radius:8px;margin-bottom:6px}
.kab9wx span{font-size:.8rem;color:#A8B2C1}

/* ===== How-To Guide ===== */
.lmfoba3z{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ipova1{text-align:center;padding:24px 16px}
.tzjadj{width:44px;height:44px;background:linear-gradient(135deg,#E63946,#F4A261);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-weight:800;font-size:1.1rem;color:#fff}
.ipova1 h4{font-size:.95rem;margin-bottom:6px}
.ipova1 p{font-size:.82rem;color:#A8B2C1}

/* ===== Share Buttons ===== */
.nma4yxj{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.c06lvko4{padding:8px 20px;border-radius:6px;font-size:.85rem;font-weight:600;color:#fff;transition:all .3s;cursor:pointer;border:none}
.iawg4{background:#07C160}
.fhezylhg{background:#E6162D}
.mlgow{background:#161823}
.m5ywa8t{background:#00A1D6}
.c06lvko4:hover{opacity:.85;transform:translateY(-2px)}

/* ===== Footer ===== */
.zktgh5h{background:#080C14;border-top:1px solid rgba(29,53,87,.4);padding:40px 0 20px}
.mkowu3t7{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.e1mrshl .gf0ai9c{font-size:1.2rem;margin-bottom:10px}
.e1mrshl p{font-size:.85rem;color:#A8B2C1;line-height:1.6}
.pmnpna h4{font-size:.95rem;margin-bottom:14px;color:#F4A261}
.pmnpna a{display:block;font-size:.85rem;color:#A8B2C1;padding:4px 0;transition:color .3s}
.pmnpna a:hover{color:#E63946}
.q1s8ai7r{text-align:center;padding-top:20px;border-top:1px solid rgba(29,53,87,.3);font-size:.82rem;color:#A8B2C1}
.q1s8ai7r .adyubfq9{margin-top:6px;font-size:.78rem}

/* ===== Breadcrumb ===== */
.o5s8bsn{padding:14px 0;font-size:.85rem;color:#A8B2C1;margin-top:65px}
.o5s8bsn a{color:#F4A261}
.o5s8bsn span{margin:0 8px;color:#A8B2C1}

/* ===== Inner Page Content ===== */
.kgrjny{background:#141B2D;padding:50px 0;margin-top:65px;text-align:center;border-bottom:1px solid rgba(29,53,87,.4)}
.kgrjny h1{font-size:2rem;margin-bottom:10px}
.kgrjny p{color:#A8B2C1;font-size:1rem}
.g7daqfdv{padding:40px 0}
.g7daqfdv h2{font-size:1.5rem;margin-bottom:16px;color:#E63946}
.g7daqfdv p{font-size:.95rem;color:#A8B2C1;line-height:1.8;margin-bottom:16px}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .j5zwo{grid-template-columns:repeat(3,1fr)}
  .qxu971lk{grid-template-columns:repeat(2,1fr)}
  .b9j8b8l{grid-template-columns:repeat(2,1fr)}
  .mkowu3t7{grid-template-columns:repeat(2,1fr)}
  .lmfoba3z{grid-template-columns:repeat(2,1fr)}
  .wkmvk{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .w3s76g{flex-wrap:wrap}
  .ml28v{display:none;width:100%;flex-direction:column;background:#0A0E17;padding:10px 0}
  .main-nav.show{display:flex}
  .l17kf{display:flex}
  .q0qvfa h1{font-size:1.8rem}
  .q0qvfa{height:400px}
  .j5zwo{grid-template-columns:repeat(2,1fr)}
  .qxu971lk{grid-template-columns:1fr}
  .b9j8b8l{grid-template-columns:1fr}
  .xjwazfu{grid-template-columns:1fr}
  .leg8shqc{grid-template-columns:1fr}
  .mkowu3t7{grid-template-columns:1fr}
  .lmfoba3z{grid-template-columns:1fr}
  .wkmvk{grid-template-columns:1fr}
  .section{padding:40px 0}
  .zvxnwfg h2{font-size:1.4rem}
}
@media(max-width:480px){
  .j5zwo{grid-template-columns:1fr}
  .q0qvfa h1{font-size:1.5rem}
  .q0qvfa{height:340px}
  .gf0ai9c{font-size:1.1rem}
}

/* ===== Lazy Load ===== */
img[loading="lazy"]{transition:opacity .4s}

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