/* ===== 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 */
.zbqds22{max-width:1200px;margin:0 auto;padding:0 20px}

/* ===== Header & Navigation ===== */
.qfvi7oiu{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}
.g1n8j{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;max-width:1200px;margin:0 auto}
.alcoz{display:flex;align-items:center;gap:10px}
.alcoz img{height:42px;width:auto}
.q2ng6um{font-size:1.4rem;font-weight:800;color:#E63946;letter-spacing:1px}
.q2ng6um span{color:#F4A261}

.lfisdn7k{display:flex;align-items:center;gap:0}
.lfisdn7k a{padding:12px 18px;font-size:.95rem;color:#A8B2C1;font-weight:500;position:relative;transition:all .3s}
.lfisdn7k a:hover,.lfisdn7k a.active{color:#E63946}
.lfisdn7k a::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:0;height:2px;background:#E63946;transition:width .3s}
.lfisdn7k a:hover::after,.lfisdn7k a.active::after{width:60%}

.iwzch6{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.iwzch6 span{width:24px;height:2px;background:#F1FAEE;transition:all .3s}

/* ===== Search Bar ===== */
.ix59qus1{background:rgba(20,27,45,.8);padding:12px 0;border-bottom:1px solid rgba(29,53,87,.5);margin-top:65px}
.gik0dff{max-width:600px;margin:0 auto;display:flex;gap:0;padding:0 20px}
.gik0dff 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}
.gik0dff input:focus{border-color:#E63946}
.gik0dff input::placeholder{color:#A8B2C1}
.gik0dff 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}
.gik0dff button:hover{background:#c62d3a}

/* ===== Hero Section ===== */
.tulvwfo{position:relative;height:520px;overflow:hidden}
.ctleis{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.6)}
.xbx8p97c{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,23,.3) 0%,rgba(10,14,23,.85) 100%)}
.ti9yrmf{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:0 20px}
.tulvwfo h1{font-size:2.8rem;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,.5)}
.tulvwfo h1 .dzn86ts{color:#E63946}
.tulvwfo p{font-size:1.15rem;color:#A8B2C1;max-width:650px;margin-bottom:24px}
.jf7vzo3j{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.jf7vzo3j 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}
.c8vlw{text-align:center;margin-bottom:40px}
.c8vlw h2{font-size:1.8rem;margin-bottom:10px}
.c8vlw h2 .hl{color:#E63946}
.c8vlw p{color:#A8B2C1;font-size:1rem;max-width:600px;margin:0 auto}
.ql07o{background:rgba(20,27,45,.5)}

/* ===== Video Cards Grid ===== */
.oazfz3lt{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.v6ytood6{background:#141B2D;border-radius:10px;overflow:hidden;transition:transform .3s,box-shadow .3s;cursor:pointer}
.v6ytood6:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(230,57,70,.15)}
.nsn6adc{position:relative;padding-top:56.25%;overflow:hidden}
.nsn6adc img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.v6ytood6:hover .nsn6adc img{transform:scale(1.08)}
.nsn6adc video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.v6ytood6:hover .nsn6adc video{transform:scale(1.08)}
.yr737lor{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}
.yr737lor::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.v6ytood6:hover .yr737lor{opacity:1}
.t5aok{padding:14px}
.t5aok h3{font-size:.95rem;margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dn52e3{display:flex;gap:12px;font-size:.8rem;color:#A8B2C1}
.dn52e3 span{display:flex;align-items:center;gap:4px}
.m1oxh2ym{display:inline-block;font-size:.75rem;color:#A8B2C1;margin-left:8px}
.mz7gvem{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 ===== */
.yy2z7wqe{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rj0ect4{background:#141B2D;border-radius:12px;padding:30px 24px;text-align:center;border:1px solid rgba(29,53,87,.4);transition:all .3s}
.rj0ect4:hover{border-color:#E63946;transform:translateY(-4px)}
.sd6a6x5{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}
.rj0ect4 h3{font-size:1.05rem;margin-bottom:8px}
.rj0ect4 p{font-size:.88rem;color:#A8B2C1;line-height:1.6}

/* ===== Expert Section ===== */
.jlaps0{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.olujr{background:#141B2D;border-radius:12px;padding:28px;text-align:center;border:1px solid rgba(29,53,87,.4);transition:all .3s}
.olujr:hover{border-color:#F4A261}
.brcnetn{width:90px;height:90px;border-radius:50%;margin:0 auto 14px;overflow:hidden;border:3px solid #E63946}
.brcnetn img{width:100%;height:100%;object-fit:cover}
.olujr h3{font-size:1rem;margin-bottom:4px}
.olujr .title{color:#F4A261;font-size:.85rem;margin-bottom:10px}
.olujr p{font-size:.85rem;color:#A8B2C1;margin-bottom:14px;line-height:1.5}
.s3hdkc5{display:flex;gap:10px;justify-content:center}
.nb2pxsm{padding:6px 16px;border-radius:6px;font-size:.8rem;font-weight:600;transition:all .3s;display:inline-block}
.vydj3qz{background:#E63946;color:#fff}
.vydj3qz:hover{background:#c62d3a;color:#fff}
.j6icjhd7{border:1px solid #F4A261;color:#F4A261}
.j6icjhd7:hover{background:#F4A261;color:#0A0E17}

/* ===== Partner Logos ===== */
.ux0eiu{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center}
.wu1wuu1{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}
.wu1wuu1:hover{border-color:#E63946;color:#F1FAEE}

/* ===== Articles ===== */
.chzc7y7{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.avd0475{background:#141B2D;border-radius:12px;padding:24px;border:1px solid rgba(29,53,87,.4);transition:all .3s}
.avd0475:hover{border-color:#E63946;transform:translateY(-4px)}
.avd0475 h3{font-size:1rem;margin-bottom:10px;color:#F1FAEE;line-height:1.5}
.avd0475 p{font-size:.9rem;color:#A8B2C1;line-height:1.7;margin-bottom:12px}
.ve9p0g{display:flex;gap:16px;font-size:.8rem;color:#7A8599;flex-wrap:wrap}
.ve9p0g time{color:#F4A261}

/* ===== FAQ Section ===== */
.cogw12{max-width:800px;margin:0 auto}
.lmaru{background:#141B2D;border-radius:10px;margin-bottom:12px;border:1px solid rgba(29,53,87,.4);overflow:hidden}
.r6t8u{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:.95rem;transition:color .3s}
.r6t8u:hover{color:#E63946}
.r6t8u::after{content:'+';font-size:1.3rem;color:#E63946;transition:transform .3s}
.faq-item.active .r6t8u::after{transform:rotate(45deg)}
.d16nfp3{padding:0 24px;max-height:0;overflow:hidden;transition:all .4s ease;color:#A8B2C1;font-size:.9rem;line-height:1.7}
.faq-item.active .d16nfp3{padding:0 24px 18px;max-height:300px}

/* ===== Reviews ===== */
.mjs19w{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.s8yhwo{background:#141B2D;border-radius:12px;padding:24px;border:1px solid rgba(29,53,87,.4)}
.s5d8a{color:#F4A261;font-size:1rem;margin-bottom:10px;letter-spacing:2px}
.s8yhwo p{font-size:.9rem;color:#A8B2C1;line-height:1.6;margin-bottom:12px;font-style:italic}
.fb8f3hj7{font-size:.85rem;font-weight:600;color:#F1FAEE}
.x7v57dy{font-size:.78rem;color:#A8B2C1}

/* ===== Contact Section ===== */
.rbsdzg5{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;align-items:start}
.htc70l{background:#141B2D;border-radius:12px;padding:30px;border:1px solid rgba(29,53,87,.4)}
.htc70l h3{font-size:1.1rem;margin-bottom:16px;color:#E63946}
.o2tuqy1{display:flex;gap:10px;margin-bottom:12px;font-size:.9rem;color:#A8B2C1;align-items:flex-start}
.o2tuqy1 strong{color:#F1FAEE;min-width:70px}
.q30dk{display:flex;gap:20px;margin-top:20px}
.vvi7e8pe{text-align:center}
.vvi7e8pe img{width:120px;height:120px;border-radius:8px;margin-bottom:6px}
.vvi7e8pe span{font-size:.8rem;color:#A8B2C1}

/* ===== How-To Guide ===== */
.h12q7{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.f8ym1r{text-align:center;padding:24px 16px}
.zyfm4{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}
.f8ym1r h4{font-size:.95rem;margin-bottom:6px}
.f8ym1r p{font-size:.82rem;color:#A8B2C1}

/* ===== Share Buttons ===== */
.isj3ju{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.w5vcoj{padding:8px 20px;border-radius:6px;font-size:.85rem;font-weight:600;color:#fff;transition:all .3s;cursor:pointer;border:none}
.dw2c3x{background:#07C160}
.igdrw89s{background:#E6162D}
.zfd7b{background:#161823}
.kpa48{background:#00A1D6}
.w5vcoj:hover{opacity:.85;transform:translateY(-2px)}

/* ===== Footer ===== */
.bvunwa5b{background:#080C14;border-top:1px solid rgba(29,53,87,.4);padding:40px 0 20px}
.np4yu{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.w9zmgihh .q2ng6um{font-size:1.2rem;margin-bottom:10px}
.w9zmgihh p{font-size:.85rem;color:#A8B2C1;line-height:1.6}
.echm4s h4{font-size:.95rem;margin-bottom:14px;color:#F4A261}
.echm4s a{display:block;font-size:.85rem;color:#A8B2C1;padding:4px 0;transition:color .3s}
.echm4s a:hover{color:#E63946}
.omewu1s2{text-align:center;padding-top:20px;border-top:1px solid rgba(29,53,87,.3);font-size:.82rem;color:#A8B2C1}
.omewu1s2 .pzaofzog{margin-top:6px;font-size:.78rem}

/* ===== Breadcrumb ===== */
.eze0walk{padding:14px 0;font-size:.85rem;color:#A8B2C1;margin-top:65px}
.eze0walk a{color:#F4A261}
.eze0walk span{margin:0 8px;color:#A8B2C1}

/* ===== Inner Page Content ===== */
.pvtb3nd{background:#141B2D;padding:50px 0;margin-top:65px;text-align:center;border-bottom:1px solid rgba(29,53,87,.4)}
.pvtb3nd h1{font-size:2rem;margin-bottom:10px}
.pvtb3nd p{color:#A8B2C1;font-size:1rem}
.yffk1{padding:40px 0}
.yffk1 h2{font-size:1.5rem;margin-bottom:16px;color:#E63946}
.yffk1 p{font-size:.95rem;color:#A8B2C1;line-height:1.8;margin-bottom:16px}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .oazfz3lt{grid-template-columns:repeat(3,1fr)}
  .yy2z7wqe{grid-template-columns:repeat(2,1fr)}
  .jlaps0{grid-template-columns:repeat(2,1fr)}
  .np4yu{grid-template-columns:repeat(2,1fr)}
  .h12q7{grid-template-columns:repeat(2,1fr)}
  .chzc7y7{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .g1n8j{flex-wrap:wrap}
  .lfisdn7k{display:none;width:100%;flex-direction:column;background:#0A0E17;padding:10px 0}
  .main-nav.show{display:flex}
  .iwzch6{display:flex}
  .tulvwfo h1{font-size:1.8rem}
  .tulvwfo{height:400px}
  .oazfz3lt{grid-template-columns:repeat(2,1fr)}
  .yy2z7wqe{grid-template-columns:1fr}
  .jlaps0{grid-template-columns:1fr}
  .mjs19w{grid-template-columns:1fr}
  .rbsdzg5{grid-template-columns:1fr}
  .np4yu{grid-template-columns:1fr}
  .h12q7{grid-template-columns:1fr}
  .chzc7y7{grid-template-columns:1fr}
  .section{padding:40px 0}
  .c8vlw h2{font-size:1.4rem}
}
@media(max-width:480px){
  .oazfz3lt{grid-template-columns:1fr}
  .tulvwfo h1{font-size:1.5rem}
  .tulvwfo{height:340px}
  .q2ng6um{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)}