/* ============================================
   抖阴 - 原创样式表
   品牌：抖阴 | 域名：zfiszbL.cn
   配色方案：活力玫红+深邃夜蓝+明亮金黄
   ============================================ */

/* CSS Reset & Base */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --c-primary:#FF2D55;
  --c-secondary:#1A1A2E;
  --c-accent:#FFB800;
  --c-bg:#0F0F1A;
  --c-card:#1C1C30;
  --c-card-hover:#252545;
  --c-text:#FFFFFF;
  --c-text-sub:#B0B0C8;
  --c-border:#2A2A45;
  --c-gradient:linear-gradient(135deg,#FF2D55 0%,#FFB800 100%);
  --c-gradient-dark:linear-gradient(135deg,#1A1A2E 0%,#0F0F1A 100%);
  --radius:12px;
  --radius-sm:8px;
  --radius-lg:20px;
  --shadow:0 4px 24px rgba(0,0,0,0.3);
  --shadow-hover:0 8px 40px rgba(255,45,85,0.2);
  --transition:all 0.3s ease;
  --max-w:1280px;
}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  line-height:1.7;
  overflow-x:hidden;
}
a{color:var(--c-primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--c-accent)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.container{max-width:var(--max-w);margin:0 auto;padding:0 20px}

/* ============ Header & Navigation ============ */
.4rnhlt{
  position:fixed;top:0;left:0;width:100%;z-index:1000;
  background:rgba(15,15,26,0.92);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--c-border);
  transition:var(--transition);
}
.5b5j4w1{
  display:flex;align-items:center;justify-content:space-between;
  max-width:var(--max-w);margin:0 auto;padding:0 20px;height:68px;
}
.logo{display:flex;align-items:center;gap:10px}
.logo img{height:42px;width:auto}
.logo span{font-size:1.3rem;font-weight:700;color:var(--c-text);letter-spacing:1px}
.rh8i458{display:flex;align-items:center;gap:6px}
.rh8i458 a{
  padding:8px 16px;border-radius:var(--radius-sm);
  font-size:0.95rem;color:var(--c-text-sub);
  transition:var(--transition);position:relative;
}
.rh8i458 a:hover,.rh8i458 a.active{color:var(--c-text);background:rgba(255,45,85,0.12)}
.rh8i458 a.active::after{
  content:'';position:absolute;bottom:4px;left:50%;transform:translateX(-50%);
  width:20px;height:3px;background:var(--c-primary);border-radius:2px;
}
.982ledp{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.982ledp span{width:24px;height:2px;background:var(--c-text);border-radius:2px;transition:var(--transition)}

/* Search Bar */
.58iejz{
  background:var(--c-card);border-bottom:1px solid var(--c-border);
  padding:12px 0;margin-top:68px;
}
.58iejz .container{display:flex;justify-content:center}
.kcsrs{
  display:flex;align-items:center;gap:0;
  background:var(--c-secondary);border:1px solid var(--c-border);
  border-radius:50px;overflow:hidden;max-width:560px;width:100%;
  transition:var(--transition);
}
.kcsrs:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(255,45,85,0.15)}
.kcsrs input{
  flex:1;padding:10px 20px;background:transparent;border:none;
  color:var(--c-text);font-size:0.95rem;outline:none;
}
.kcsrs input::placeholder{color:var(--c-text-sub)}
.kcsrs button{
  padding:10px 24px;background:var(--c-primary);border:none;
  color:#fff;font-size:0.95rem;cursor:pointer;transition:var(--transition);
}
.kcsrs button:hover{background:#e0264b}

/* ============ Hero Section ============ */
.hero{
  position:relative;min-height:520px;display:flex;align-items:center;
  background-size:cover;background-position:center;
  overflow:hidden;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,15,26,0.4) 0%,rgba(15,15,26,0.85) 100%);
}
.1gi9g{position:relative;z-index:2;text-align:center;width:100%;padding:80px 20px 60px}
.hero h1{font-size:2.8rem;font-weight:800;margin-bottom:16px;line-height:1.3}
.hero h1 .brand{color:var(--c-primary)}
.hero h1 .highlight{
  background:var(--c-gradient);-webkit-background-clip:text;
  -webkit-text-fill-color:transparent;background-clip:text;
}
.hero p{font-size:1.15rem;color:var(--c-text-sub);max-width:680px;margin:0 auto 30px}
.uijt4n1{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:30px}
.uijt4n1 span{
  padding:6px 16px;background:rgba(255,45,85,0.15);border:1px solid rgba(255,45,85,0.3);
  border-radius:50px;font-size:0.85rem;color:var(--c-primary);
}
.qbl1u1j{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 32px;border-radius:50px;font-size:1rem;font-weight:600;
  cursor:pointer;transition:var(--transition);border:none;
}
.btn-primary{background:var(--c-gradient);color:#fff;box-shadow:0 4px 20px rgba(255,45,85,0.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 28px rgba(255,45,85,0.5);color:#fff}
.btn-outline{background:transparent;color:var(--c-text);border:2px solid var(--c-border)}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary)}
.btn-sm{padding:8px 20px;font-size:0.9rem}

/* ============ Section Common ============ */
.section{padding:70px 0}
.djfr0{text-align:center;margin-bottom:48px}
.djfr0 h2{font-size:2rem;font-weight:700;margin-bottom:12px}
.djfr0 h2 .accent{color:var(--c-primary)}
.djfr0 p{color:var(--c-text-sub);font-size:1.05rem;max-width:600px;margin:0 auto}
.section-alt{background:var(--c-secondary)}

/* ============ Video Card Grid ============ */
.c0ophj{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.9r13pg82{
  background:var(--c-card);border-radius:var(--radius);overflow:hidden;
  transition:var(--transition);position:relative;
  border:1px solid transparent;
}
.9r13pg82:hover{
  transform:translateY(-6px);border-color:var(--c-primary);
  box-shadow:var(--shadow-hover);
}
.79sy94{position:relative;overflow:hidden;aspect-ratio:16/9}
.79sy94 img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.9r13pg82:hover .79sy94 img{transform:scale(1.06)}
.eqo1l{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0.8);
  width:56px;height:56px;background:rgba(255,45,85,0.9);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  opacity:0;transition:var(--transition);cursor:pointer;
}
.eqo1l::after{
  content:'';width:0;height:0;
  border-left:20px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;
  margin-left:4px;
}
.9r13pg82:hover .eqo1l{opacity:1;transform:translate(-50%,-50%) scale(1)}
.9qfl1y{padding:16px}
.9qfl1y h3{font-size:1.05rem;font-weight:600;margin-bottom:8px;line-height:1.4}
.9qfl1y h3 a{color:var(--c-text)}
.9qfl1y h3 a:hover{color:var(--c-primary)}
.tgse7yue{display:flex;align-items:center;gap:16px;font-size:0.82rem;color:var(--c-text-sub)}
.tgse7yue span{display:flex;align-items:center;gap:4px}
.az31c{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.az31c span{
  padding:3px 10px;background:rgba(255,184,0,0.1);border-radius:50px;
  font-size:0.75rem;color:var(--c-accent);
}
.82mqa9h{
  position:absolute;bottom:8px;right:8px;
  padding:2px 8px;background:rgba(0,0,0,0.75);border-radius:4px;
  font-size:0.78rem;color:#fff;
}

/* ============ Service Cards ============ */
.7rh2s{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.di47od1l{
  background:var(--c-card);border-radius:var(--radius);padding:32px 24px;
  text-align:center;transition:var(--transition);border:1px solid var(--c-border);
}
.di47od1l:hover{border-color:var(--c-primary);transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.qnv42gn2{
  width:64px;height:64px;margin:0 auto 20px;border-radius:16px;
  background:rgba(255,45,85,0.12);display:flex;align-items:center;justify-content:center;
  font-size:1.8rem;
}
.di47od1l h3{font-size:1.15rem;font-weight:600;margin-bottom:10px}
.di47od1l p{font-size:0.92rem;color:var(--c-text-sub);line-height:1.6}

/* ============ AI Section ============ */
.24ghxrh{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.xdgq6{
  background:var(--c-card);border-radius:var(--radius);overflow:hidden;
  transition:var(--transition);border:1px solid var(--c-border);
}
.xdgq6:hover{border-color:var(--c-accent);box-shadow:0 8px 40px rgba(255,184,0,0.15)}
.twyj2ckt{height:180px;overflow:hidden}
.twyj2ckt img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.xdgq6:hover .twyj2ckt img{transform:scale(1.05)}
.jyo8dn3{padding:20px}
.jyo8dn3 h3{font-size:1.1rem;font-weight:600;margin-bottom:8px}
.jyo8dn3 p{font-size:0.9rem;color:var(--c-text-sub)}

/* ============ Community Section ============ */
.0wumm8{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.p4f1483v{
  background:var(--c-card);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:var(--transition);
  border:1px solid var(--c-border);
}
.p4f1483v:hover{border-color:var(--c-primary);box-shadow:var(--shadow-hover)}
.xpwqqzxk{height:220px;overflow:hidden}
.xpwqqzxk img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.p4f1483v:hover .xpwqqzxk img{transform:scale(1.05)}
.ofy4jo{padding:24px;flex:1}
.ofy4jo h3{font-size:1.15rem;font-weight:600;margin-bottom:10px}
.ofy4jo p{font-size:0.92rem;color:var(--c-text-sub);margin-bottom:16px}
.b248h{display:flex;flex-wrap:wrap;gap:8px}
.b248h span{
  padding:4px 12px;background:rgba(255,45,85,0.1);border-radius:50px;
  font-size:0.8rem;color:var(--c-primary);
}

/* ============ Expert Team ============ */
.g6dxvqno{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.23ivj7{
  background:var(--c-card);border-radius:var(--radius);overflow:hidden;
  text-align:center;transition:var(--transition);border:1px solid var(--c-border);
}
.23ivj7:hover{border-color:var(--c-accent);transform:translateY(-4px)}
.ykvet8{width:100%;aspect-ratio:1;overflow:hidden}
.ykvet8 img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.23ivj7:hover .ykvet8 img{transform:scale(1.05)}
.sowux{padding:20px}
.sowux h3{font-size:1.05rem;font-weight:600;margin-bottom:4px}
.sowux .role{font-size:0.85rem;color:var(--c-primary);margin-bottom:8px}
.sowux p{font-size:0.82rem;color:var(--c-text-sub);margin-bottom:12px}
.8fq0nbw{display:flex;gap:8px;justify-content:center}
.8fq0nbw a{
  padding:6px 14px;border-radius:50px;font-size:0.8rem;
  border:1px solid var(--c-border);color:var(--c-text-sub);transition:var(--transition);
}
.8fq0nbw a:hover{border-color:var(--c-primary);color:var(--c-primary)}

/* ============ Partner Logos ============ */
.uwud6yo{
  display:flex;flex-wrap:wrap;justify-content:center;gap:32px;
  padding:20px 0;
}
.uwud6yo .l8fn88ug{
  width:120px;height:60px;background:var(--c-card);border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--c-border);transition:var(--transition);
  font-size:0.85rem;color:var(--c-text-sub);font-weight:600;
}
.uwud6yo .l8fn88ug:hover{border-color:var(--c-primary);color:var(--c-primary)}

/* ============ Reviews ============ */
.o2bhsnnj{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.sw9gijl4{
  background:var(--c-card);border-radius:var(--radius);padding:28px;
  border:1px solid var(--c-border);transition:var(--transition);
}
.sw9gijl4:hover{border-color:var(--c-accent)}
.05bpqo{color:var(--c-accent);font-size:1rem;margin-bottom:12px;letter-spacing:2px}
.ztyjqe{font-size:0.95rem;color:var(--c-text-sub);line-height:1.7;margin-bottom:16px;font-style:italic}
.710pomf9{display:flex;align-items:center;gap:12px}
.3oz74{
  width:42px;height:42px;border-radius:50%;
  background:var(--c-gradient);display:flex;align-items:center;justify-content:center;
  font-size:1rem;font-weight:700;color:#fff;
}
.bjxosmm .name{font-size:0.9rem;font-weight:600}
.bjxosmm .date{font-size:0.78rem;color:var(--c-text-sub)}

/* ============ FAQ ============ */
.zzyxp{max-width:800px;margin:0 auto}
.t1rfs2{
  background:var(--c-card);border-radius:var(--radius-sm);margin-bottom:12px;
  border:1px solid var(--c-border);overflow:hidden;transition:var(--transition);
}
.t1rfs2:hover{border-color:var(--c-primary)}
.pn2bl{
  padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;
  align-items:center;font-weight:600;font-size:1rem;transition:var(--transition);
}
.pn2bl:hover{color:var(--c-primary)}
.pn2bl .arrow{
  transition:var(--transition);font-size:1.2rem;color:var(--c-text-sub);
}
.t1rfs2.open .pn2bl .arrow{transform:rotate(180deg);color:var(--c-primary)}
.deyre{
  padding:0 24px;max-height:0;overflow:hidden;transition:max-height 0.35s ease;
}
.t1rfs2.open .deyre{max-height:300px;padding-bottom:18px}
.deyre p{font-size:0.92rem;color:var(--c-text-sub);line-height:1.7}

/* ============ Contact Section ============ */
.sjgymhwo{display:grid;grid-template-columns:repeat(2,1fr);gap:40px;align-items:start}
.spnax6{display:flex;flex-direction:column;gap:20px}
.foj9symf{
  display:flex;align-items:flex-start;gap:16px;
  padding:20px;background:var(--c-card);border-radius:var(--radius-sm);
  border:1px solid var(--c-border);
}
.foj9symf .icon{
  width:44px;height:44px;border-radius:12px;background:rgba(255,45,85,0.12);
  display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0;
}
.foj9symf .info h4{font-size:0.95rem;font-weight:600;margin-bottom:4px}
.foj9symf .info p{font-size:0.88rem;color:var(--c-text-sub)}
.24k2em{display:flex;gap:24px;justify-content:center}
.rgjhkmse{text-align:center}
.rgjhkmse img{width:160px;height:160px;border-radius:var(--radius-sm);margin-bottom:8px}
.rgjhkmse p{font-size:0.82rem;color:var(--c-text-sub)}

/* ============ How-To Guide ============ */
.hv7g6q8l{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.nh42or{
  text-align:center;padding:24px 16px;background:var(--c-card);
  border-radius:var(--radius);border:1px solid var(--c-border);
  transition:var(--transition);
}
.nh42or:hover{border-color:var(--c-primary)}
.cvc4z5dj{
  width:48px;height:48px;border-radius:50%;background:var(--c-gradient);
  display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;font-weight:700;color:#fff;margin:0 auto 14px;
}
.nh42or h4{font-size:0.95rem;font-weight:600;margin-bottom:6px}
.nh42or p{font-size:0.82rem;color:var(--c-text-sub)}

/* ============ Share Buttons ============ */
.8mq89tj0{
  display:flex;align-items:center;justify-content:center;gap:16px;
  padding:20px 0;
}
.8mq89tj0 span{font-size:0.9rem;color:var(--c-text-sub)}
.szi7vgm{
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-card);border:1px solid var(--c-border);
  color:var(--c-text-sub);font-size:0.85rem;font-weight:600;
  transition:var(--transition);cursor:pointer;
}
.szi7vgm:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(255,45,85,0.1)}

/* ============ Footer ============ */
.5292opj{
  background:var(--c-secondary);border-top:1px solid var(--c-border);
  padding:50px 0 0;
}
.0k7jc5b{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid var(--c-border);
}
.colvov .logo{margin-bottom:16px}
.colvov p{font-size:0.88rem;color:var(--c-text-sub);line-height:1.7;margin-bottom:16px}
.ym8sa h4{font-size:1rem;font-weight:600;margin-bottom:16px;color:var(--c-text)}
.ym8sa ul li{margin-bottom:10px}
.ym8sa ul li a{font-size:0.88rem;color:var(--c-text-sub);transition:var(--transition)}
.ym8sa ul li a:hover{color:var(--c-primary)}
.hks86{
  display:flex;justify-content:space-between;align-items:center;
  padding:20px 0;font-size:0.82rem;color:var(--c-text-sub);
}
.hks86 .d4js7{color:var(--c-text-sub)}

/* ============ Breadcrumb ============ */
.breadcrumb{
  padding:16px 0;font-size:0.85rem;color:var(--c-text-sub);
  margin-top:68px;
}
.breadcrumb a{color:var(--c-text-sub)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb span{margin:0 8px;color:var(--c-border)}

/* ============ Inner Page Content ============ */
.page-hero{
  padding:100px 0 50px;text-align:center;
  background:var(--c-gradient-dark);
}
.page-hero h1{font-size:2.2rem;font-weight:700;margin-bottom:12px}
.page-hero p{color:var(--c-text-sub);font-size:1.05rem;max-width:600px;margin:0 auto}
.content-section{padding:50px 0}
.content-section h2{font-size:1.6rem;font-weight:700;margin-bottom:20px}
.content-section h3{font-size:1.2rem;font-weight:600;margin-bottom:12px;color:var(--c-primary)}
.content-section p{font-size:0.95rem;color:var(--c-text-sub);line-height:1.8;margin-bottom:16px}
.content-section .text-content{max-width:900px;margin:0 auto}

/* ============ Responsive ============ */
@media(max-width:1024px){
  .c0ophj{grid-template-columns:repeat(2,1fr)}
  .7rh2s{grid-template-columns:repeat(2,1fr)}
  .24ghxrh{grid-template-columns:repeat(2,1fr)}
  .g6dxvqno{grid-template-columns:repeat(2,1fr)}
  .0k7jc5b{grid-template-columns:repeat(2,1fr)}
  .hv7g6q8l{grid-template-columns:repeat(2,1fr)}
  .sjgymhwo{grid-template-columns:1fr}
}
@media(max-width:768px){
  .rh8i458{
    display:none;position:fixed;top:68px;left:0;width:100%;
    background:rgba(15,15,26,0.98);flex-direction:column;
    padding:20px;gap:4px;border-bottom:1px solid var(--c-border);
  }
  .rh8i458.active{display:flex}
  .982ledp{display:flex}
  .hero h1{font-size:1.8rem}
  .hero p{font-size:1rem}
  .c0ophj{grid-template-columns:1fr}
  .7rh2s{grid-template-columns:1fr}
  .24ghxrh{grid-template-columns:1fr}
  .0wumm8{grid-template-columns:1fr}
  .g6dxvqno{grid-template-columns:repeat(2,1fr)}
  .o2bhsnnj{grid-template-columns:1fr}
  .0k7jc5b{grid-template-columns:1fr}
  .hv7g6q8l{grid-template-columns:1fr}
  .djfr0 h2{font-size:1.5rem}
  .24k2em{flex-direction:column;align-items:center}
  .hks86{flex-direction:column;gap:8px;text-align:center}
}
@media(max-width:480px){
  .hero{min-height:400px}
  .hero h1{font-size:1.5rem}
  .btn{padding:10px 24px;font-size:0.9rem}
  .g6dxvqno{grid-template-columns:1fr}
  .uwud6yo .l8fn88ug{width:100px;height:50px;font-size:0.75rem}
}

/* ============ Animations ============ */
@keyframes fadeInUp{
  from{opacity:0;transform:translateY(30px)}
  to{opacity:1;transform:translateY(0)}
}
.fade-in{animation:fadeInUp 0.6s ease forwards;opacity:0}
.delay-1{animation-delay:0.1s}
.delay-2{animation-delay:0.2s}
.delay-3{animation-delay:0.3s}
.delay-4{animation-delay:0.4s}

/* ============ Lazy Load ============ */
img[data-src]{opacity:0;transition:opacity 0.5s ease}
img[data-src].loaded{opacity:1}

/* ============ MCP Frontend Placeholder ============ */
.6xr309pd{
  background:var(--c-card);border-radius:var(--radius);padding:20px;
  border:1px solid var(--c-border);text-align:center;
}
.6xr309pd p{font-size:0.85rem;color:var(--c-text-sub)}


/* ============ News / Latest Updates ============ */
.o1efyg{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.67lldi6{
  background:var(--c-card);border-radius:var(--radius);padding:28px;
  border:1px solid var(--c-border);transition:var(--transition);
}
.67lldi6:hover{border-color:var(--c-primary);transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.yawfwsl{
  display:inline-block;padding:4px 12px;background:rgba(255,45,85,0.12);
  border-radius:50px;font-size:0.78rem;color:var(--c-primary);margin-bottom:12px;
}
.67lldi6 h3{font-size:1.05rem;font-weight:600;margin-bottom:10px;line-height:1.5}
.67lldi6 h3 a{color:var(--c-text)}
.67lldi6 h3 a:hover{color:var(--c-primary)}
.67lldi6 p{font-size:0.9rem;color:var(--c-text-sub);line-height:1.7;margin-bottom:12px}

/* ============ Friend Links ============ */
.5g4cyn{
  padding:20px 0;border-top:1px solid var(--c-border);margin-top:20px;
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
}
.5g4cyn h4{font-size:0.88rem;color:var(--c-text-sub);margin-right:8px}
.5g4cyn span a{font-size:0.82rem;color:var(--c-text-sub);transition:var(--transition)}
.5g4cyn span a:hover{color:var(--c-primary)}

/* ============ Video tag styling ============ */
.79sy94 video{
  width:100%;height:100%;object-fit:cover;display:block;
  background:var(--c-secondary);
}

@media(max-width:768px){
  .o1efyg{grid-template-columns:1fr}
}