/* ============================================
   四虎传媒 - 原创样式表
   品牌：四虎传媒 | w9btt15.cn
   配色：虎红 #E84530 / 深夜蓝 #1A1A2E / 琥珀橙 #FF8C42
   ============================================ */

/* --- CSS 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-color: #0F0F1A;
  color: #F0F0F5;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: #FF8C42; text-decoration: none; transition: color .3s; }
a:hover { color: #E84530; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* --- Header / Navigation --- */
.mjblb {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(15,15,26,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(232,69,48,.15);
  transition: background .3s;
}
.pzcr8r4 {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1200px; margin: 0 auto; padding: 0 20px; height: 68px;
}
.xyhjkj9 { display: flex; align-items: center; gap: 10px; }
.xyhjkj9 img { height: 42px; width: auto; }
.xyhjkj9 span {
  font-size: 1.3rem; font-weight: 700;
  background: linear-gradient(135deg, #E84530, #FF8C42);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.a5djg6f2 { display: flex; align-items: center; gap: 6px; }
.a5djg6f2 a {
  color: #A0A0B8; font-size: .95rem; padding: 8px 14px;
  border-radius: 6px; transition: all .3s;
}
.a5djg6f2 a:hover, .a5djg6f2 a.active {
  color: #F0F0F5; background: rgba(232,69,48,.12);
}
.e0bvz { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.e0bvz span {
  display: block; width: 24px; height: 2px; background: #F0F0F5;
  margin: 5px 0; transition: .3s;
}

/* --- Search Bar --- */
.idjh30 {
  max-width: 1200px; margin: 0 auto; padding: 12px 20px;
  background: rgba(28,28,48,.6);
}
.idjh30 form {
  display: flex; max-width: 600px; margin: 0 auto;
  background: #1C1C30; border: 1px solid rgba(232,69,48,.25);
  border-radius: 30px; overflow: hidden;
}
.idjh30 input {
  flex: 1; padding: 10px 20px; background: transparent;
  border: none; color: #F0F0F5; font-size: .95rem; outline: none;
}
.idjh30 input::placeholder { color: #6B6B80; }
.idjh30 button {
  padding: 10px 24px; background: linear-gradient(135deg, #E84530, #FF8C42);
  border: none; color: #fff; font-size: .95rem; cursor: pointer;
  transition: opacity .3s;
}
.idjh30 button:hover { opacity: .85; }

/* --- Hero Banner --- */
.xjteh5d {
  position: relative; margin-top: 68px;
  height: 520px; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.xjteh5d-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  filter: brightness(.45);
}
.xjteh5d-content {
  position: relative; z-index: 2; text-align: center;
  padding: 0 20px; max-width: 800px;
}
.xjteh5d-content h1 {
  font-size: 2.8rem; font-weight: 800; margin-bottom: 16px;
  background: linear-gradient(135deg, #F0F0F5, #FF8C42);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.xjteh5d-content p {
  font-size: 1.15rem; color: #C8C8D8; margin-bottom: 28px; line-height: 1.8;
}
.xjteh5d-btn {
  display: inline-block; padding: 14px 36px;
  background: linear-gradient(135deg, #E84530, #FF8C42);
  color: #fff; font-size: 1.05rem; font-weight: 600;
  border-radius: 30px; transition: transform .3s, box-shadow .3s;
}
.xjteh5d-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(232,69,48,.4);
  color: #fff;
}

/* --- Section Common --- */
.section {
  padding: 70px 0;
}
.g8swy5xh {
  background: rgba(28,28,48,.4);
}
.es35l {
  text-align: center; margin-bottom: 50px;
}
.es35l h2 {
  font-size: 2rem; font-weight: 700; margin-bottom: 12px;
  color: #F0F0F5;
}
.es35l h2 span {
  background: linear-gradient(135deg, #E84530, #FF8C42);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.es35l p {
  color: #A0A0B8; font-size: 1rem; max-width: 600px; margin: 0 auto;
}

/* --- Video Card Grid --- */
.dz202v {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.oyrrp {
  background: #1C1C30;
  border-radius: 12px;
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
  border: 1px solid rgba(232,69,48,.08);
}
.oyrrp:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(232,69,48,.15);
}
.p5wnpzhl {
  position: relative;
  padding-top: 56.25%;
  overflow: hidden;
}
.p5wnpzhl img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s;
}
.oyrrp:hover .p5wnpzhl img {
  transform: scale(1.06);
}
.vbaifj {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 60px; height: 60px;
  background: rgba(232,69,48,.9);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: transform .3s;
  z-index: 3;
}
.vbaifj::after {
  content: '';
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 3px;
}
.oyrrp:hover .vbaifj {
  transform: translate(-50%, -50%) scale(1);
}
.yhhm0hyg {
  padding: 16px;
}
.yhhm0hyg h3 {
  font-size: 1rem; font-weight: 600; margin-bottom: 8px;
  color: #F0F0F5;
  display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.zt5pz {
  display: flex; gap: 16px; font-size: .82rem; color: #6B6B80;
}
.zt5pz span { display: flex; align-items: center; gap: 4px; }
.hrr25e {
  display: inline-block; padding: 3px 10px; margin-top: 8px;
  background: rgba(232,69,48,.12); color: #E84530;
  border-radius: 12px; font-size: .78rem;
}

/* --- Service / Feature Cards --- */
.v3jb2q {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.xuewwcc {
  background: #1C1C30;
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
  border: 1px solid rgba(232,69,48,.08);
  transition: transform .3s, border-color .3s;
}
.xuewwcc:hover {
  transform: translateY(-4px);
  border-color: rgba(232,69,48,.3);
}
.wag7lit {
  width: 64px; height: 64px; margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(232,69,48,.15), rgba(255,140,66,.15));
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
}
.xuewwcc h3 {
  font-size: 1.1rem; font-weight: 600; margin-bottom: 10px; color: #F0F0F5;
}
.xuewwcc p {
  font-size: .9rem; color: #A0A0B8; line-height: 1.6;
}

/* --- Expert Team --- */
.f0hcm {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.qqzvl {
  background: #1C1C30;
  border-radius: 12px;
  padding: 28px 20px;
  text-align: center;
  border: 1px solid rgba(232,69,48,.08);
  transition: transform .3s;
}
.qqzvl:hover { transform: translateY(-4px); }
.p1hvzijk {
  width: 100px; height: 100px; border-radius: 50%;
  margin: 0 auto 16px; overflow: hidden;
  border: 3px solid rgba(232,69,48,.3);
}
.p1hvzijk img { width: 100%; height: 100%; object-fit: cover; }
.qqzvl h3 { font-size: 1.05rem; font-weight: 600; color: #F0F0F5; margin-bottom: 4px; }
.qqzvl .dv12h { font-size: .85rem; color: #FF8C42; margin-bottom: 10px; }
.qqzvl p { font-size: .85rem; color: #A0A0B8; line-height: 1.5; margin-bottom: 14px; }
.porn8iy { display: flex; justify-content: center; gap: 10px; }
.porn8iy a {
  padding: 6px 16px; font-size: .82rem; border-radius: 20px;
  border: 1px solid rgba(232,69,48,.3); color: #E84530;
  transition: all .3s;
}
.porn8iy a:hover {
  background: #E84530; color: #fff;
}

/* --- Partner Logo Wall --- */
.anfqc {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 30px; align-items: center;
}
.k39z1 {
  padding: 16px 28px;
  background: #1C1C30;
  border-radius: 10px;
  font-size: 1rem; font-weight: 600;
  color: #6B6B80;
  border: 1px solid rgba(232,69,48,.08);
  transition: all .3s;
}
.k39z1:hover {
  color: #FF8C42; border-color: rgba(255,140,66,.3);
}

/* --- Reviews --- */
.mrok4 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.r9p1y {
  background: #1C1C30;
  border-radius: 12px;
  padding: 24px;
  border: 1px solid rgba(232,69,48,.08);
}
.qak7xh { color: #FF8C42; margin-bottom: 12px; font-size: 1rem; letter-spacing: 2px; }
.r9p1y p { font-size: .92rem; color: #C8C8D8; line-height: 1.6; margin-bottom: 14px; font-style: italic; }
.uoikravl { display: flex; align-items: center; gap: 10px; }
.uoikravl-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, #E84530, #FF8C42);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: .9rem;
}
.uoikravl-info span { display: block; }
.uoikravl-info .rsq0yh { font-size: .9rem; font-weight: 600; color: #F0F0F5; }
.uoikravl-info .xj8762b { font-size: .78rem; color: #6B6B80; }

/* --- FAQ --- */
.g15sh4 { max-width: 800px; margin: 0 auto; }
.tvh7edgz {
  background: #1C1C30;
  border-radius: 10px;
  margin-bottom: 12px;
  border: 1px solid rgba(232,69,48,.08);
  overflow: hidden;
}
.ybs7hmur {
  padding: 18px 24px;
  cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 1rem; font-weight: 600; color: #F0F0F5;
  transition: background .3s;
}
.ybs7hmur:hover { background: rgba(232,69,48,.06); }
.ybs7hmur::after {
  content: '+'; font-size: 1.4rem; color: #E84530;
  transition: transform .3s;
}
.tvh7edgz.active .ybs7hmur::after {
  content: '−';
}
.fvbrlwq {
  max-height: 0; overflow: hidden;
  transition: max-height .4s ease;
}
.fvbrlwq-inner {
  padding: 0 24px 18px;
  font-size: .92rem; color: #A0A0B8; line-height: 1.7;
}

/* --- Contact Section --- */
.nn7a9t {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.v1oyr {
  background: #1C1C30;
  border-radius: 12px;
  padding: 28px 24px;
  text-align: center;
  border: 1px solid rgba(232,69,48,.08);
}
.v1oyr h3 { font-size: 1.05rem; font-weight: 600; color: #F0F0F5; margin-bottom: 12px; }
.v1oyr p { font-size: .9rem; color: #A0A0B8; line-height: 1.6; }
.v1oyr img { max-width: 160px; margin: 12px auto 0; border-radius: 8px; }

/* --- How-To Guide --- */
.qf3w96wv {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
  counter-reset: step;
}
.f35cfy7 {
  background: #1C1C30;
  border-radius: 12px;
  padding: 28px 20px;
  text-align: center;
  border: 1px solid rgba(232,69,48,.08);
  position: relative;
}
.f35cfy7::before {
  counter-increment: step;
  content: counter(step);
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; margin: 0 auto 16px;
  background: linear-gradient(135deg, #E84530, #FF8C42);
  border-radius: 50%; color: #fff; font-weight: 700; font-size: 1.1rem;
}
.f35cfy7 h4 { font-size: 1rem; font-weight: 600; color: #F0F0F5; margin-bottom: 8px; }
.f35cfy7 p { font-size: .85rem; color: #A0A0B8; }

/* --- Footer --- */
.ftk8a9s {
  background: #0A0A14;
  border-top: 1px solid rgba(232,69,48,.1);
  padding: 50px 0 0;
}
.zzawlcb {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}
.trz2w6 h4 {
  font-size: 1rem; font-weight: 600; color: #F0F0F5;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid #E84530;
  display: inline-block;
}
.trz2w6 p, .trz2w6 a {
  font-size: .88rem; color: #6B6B80; line-height: 2;
}
.trz2w6 a:hover { color: #FF8C42; }
.trz2w6 img { max-width: 120px; border-radius: 6px; margin-top: 8px; }
.xl3jf4d { display: flex; gap: 16px; }
.xl3jf4d div { text-align: center; }
.xl3jf4d img { width: 100px; height: 100px; }
.xl3jf4d span { display: block; font-size: .78rem; color: #6B6B80; margin-top: 6px; }
.tax0p3r { display: flex; gap: 12px; margin-top: 12px; }
.tax0p3r a {
  width: 36px; height: 36px;
  background: rgba(232,69,48,.12);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #E84530; font-size: .85rem; font-weight: 700;
  transition: all .3s;
}
.tax0p3r a:hover { background: #E84530; color: #fff; }
.qy8an {
  text-align: center; padding: 20px 0;
  border-top: 1px solid rgba(232,69,48,.08);
  font-size: .82rem; color: #6B6B80;
}
.qy8an a { color: #6B6B80; }
.qy8an a:hover { color: #FF8C42; }

/* --- Breadcrumb --- */
.av7iywy {
  padding: 16px 0;
  font-size: .85rem; color: #6B6B80;
}
.av7iywy a { color: #A0A0B8; }
.av7iywy a:hover { color: #FF8C42; }
.av7iywy span { margin: 0 8px; }

/* --- Inner Page Hero --- */
.c1gx8 {
  margin-top: 68px;
  padding: 60px 0 40px;
  background: linear-gradient(135deg, rgba(232,69,48,.08), rgba(255,140,66,.05));
  text-align: center;
}
.c1gx8 h1 {
  font-size: 2.2rem; font-weight: 700; color: #F0F0F5; margin-bottom: 12px;
}
.c1gx8 p {
  font-size: 1rem; color: #A0A0B8; max-width: 600px; margin: 0 auto;
}

/* --- Content Article --- */
.dfpd12 {
  max-width: 800px; margin: 0 auto;
  padding: 40px 20px;
}
.dfpd12 h2 {
  font-size: 1.6rem; font-weight: 700; color: #F0F0F5;
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(232,69,48,.2);
}
.dfpd12 h3 {
  font-size: 1.2rem; font-weight: 600; color: #F0F0F5;
  margin: 24px 0 12px;
}
.dfpd12 p {
  font-size: .95rem; color: #C8C8D8; line-height: 1.8;
  margin-bottom: 16px;
}

/* --- Lazy Load Placeholder --- */
.k20wx {
  background: #1C1C30;
  transition: opacity .5s;
}
.k20wx[data-src] { opacity: .6; }

/* --- Responsive --- */
@media (max-width: 768px) {
  .a5djg6f2 {
    position: fixed; top: 68px; left: 0; right: 0;
    background: rgba(15,15,26,.98);
    flex-direction: column;
    padding: 20px;
    transform: translateY(-120%);
    transition: transform .3s;
  }
  .a5djg6f2.open { transform: translateY(0); }
  .e0bvz { display: block; }
  .xjteh5d { height: 400px; }
  .xjteh5d-content h1 { font-size: 1.8rem; }
  .xjteh5d-content p { font-size: 1rem; }
  .section { padding: 50px 0; }
  .es35l h2 { font-size: 1.5rem; }
  .dz202v { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .zzawlcb { grid-template-columns: 1fr 1fr; }
  .pzcr8r4 { height: 58px; }
  .xjteh5d { margin-top: 58px; }
  .a5djg6f2 { top: 58px; }
}
@media (max-width: 480px) {
  .xjteh5d { height: 320px; }
  .xjteh5d-content h1 { font-size: 1.5rem; }
  .dz202v { grid-template-columns: 1fr; }
  .v3jb2q { grid-template-columns: 1fr; }
  .zzawlcb { grid-template-columns: 1fr; }
  .xl3jf4d { flex-direction: column; align-items: center; }
}

/* --- Utility --- */
.fbbq6 {
  background: linear-gradient(135deg, #E84530, #FF8C42);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.f88kb { margin-bottom: 0; }
.qxzln6 { margin-top: 20px; }
.fc23e1 { text-align: center; }

/* --- Latest Updates / News --- */
.k56xexd { max-width: 800px; margin: 0 auto; }
.tswy3xqm {
  display: flex; gap: 20px; align-items: flex-start;
  background: #1C1C30; border-radius: 10px; padding: 20px;
  margin-bottom: 14px; border: 1px solid rgba(232,69,48,.08);
  transition: transform .3s;
}
.tswy3xqm:hover { transform: translateX(4px); }
.n4fqg1 {
  min-width: 70px; text-align: center;
  background: linear-gradient(135deg, rgba(232,69,48,.15), rgba(255,140,66,.15));
  border-radius: 8px; padding: 10px 8px;
}
.n4fqg1 .day { display: block; font-size: 1.6rem; font-weight: 700; color: #E84530; }
.n4fqg1 .month { display: block; font-size: .75rem; color: #A0A0B8; }
.ecxru h4 { font-size: 1rem; font-weight: 600; color: #F0F0F5; margin-bottom: 6px; }
.ecxru p { font-size: .88rem; color: #A0A0B8; line-height: 1.6; }

/* --- Stats Counter --- */
.aztf4kko {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px; text-align: center;
}
.bv5jt347 {
  background: #1C1C30; border-radius: 12px; padding: 28px 16px;
  border: 1px solid rgba(232,69,48,.08);
}
.t8se6pxx {
  font-size: 2.2rem; font-weight: 800;
  background: linear-gradient(135deg, #E84530, #FF8C42);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.z7u81t { font-size: .9rem; color: #A0A0B8; margin-top: 6px; }

/* --- Awards / Certifications --- */
.xguws {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.fys6pzc7 {
  background: #1C1C30; border-radius: 10px; padding: 24px 18px;
  text-align: center; border: 1px solid rgba(232,69,48,.08);
}
.fys6pzc7 .xdfkorq { font-size: 2rem; margin-bottom: 12px; }
.fys6pzc7 h4 { font-size: .95rem; font-weight: 600; color: #F0F0F5; margin-bottom: 6px; }
.fys6pzc7 p { font-size: .82rem; color: #A0A0B8; }