*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;color:#111827;background:#fff;overflow-x:hidden}a{text-decoration:none;color:inherit}.wrap{width:min(1160px,calc(100% - 40px));margin:auto}.brand-logo{display:block;max-width:170px;max-height:48px;object-fit:contain}.app-icon{width:88px;height:88px;object-fit:contain;border-radius:22px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:8px;font-weight:700}.primary{background:#e31b23;color:#fff}.ghost{border:1px solid #cbd5e1}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.section{padding:88px 0}.section-head{max-width:720px;margin:0 auto 38px;text-align:center}.section-head.left{margin-left:0;text-align:left}.section-head.center{text-align:center}.section-head>span,.eyebrow,.hero-kicker{font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#e31b23}.section-head h2{font-size:38px;margin:10px 0 12px;line-height:1.15}.section-head p{color:#64748b;line-height:1.8}.six-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.six-grid article,.three-cards article,.review-cards article,.feature4-grid article,.voices4 article{padding:28px;border:1px solid #e5e7eb;border-radius:14px;background:#fff}.six-grid article i{font-style:normal;font-weight:800;color:#e31b23}.six-grid h3,.three-cards h3,.review-cards h3,.feature4-grid h3,.voices4 h3{margin:12px 0 8px}.six-grid p,.three-cards p,.review-cards p,.feature4-grid p,.voices4 p{color:#64748b;line-height:1.75}.faq-list{max-width:860px;margin:auto}.faq-item{border-bottom:1px solid #e5e7eb}.faq-q{width:100%;padding:22px 0;background:none;border:0;display:flex;justify-content:space-between;text-align:left;font-size:18px;font-weight:700;cursor:pointer;color:inherit}.faq-a{display:none;padding:0 0 22px;color:#64748b;line-height:1.8}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span{transform:rotate(45deg)}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:40px}.footer-grid h4{margin:0 0 14px}.footer-grid a,.footer-grid span{display:block;margin:8px 0;color:#94a3b8}.copyright{text-align:center;border-top:1px solid rgba(148,163,184,.18);padding:20px;color:#64748b;font-size:13px}.nav-toggle{display:none}
@media(max-width:820px){.wrap{width:min(calc(100% - 28px),1160px)}.section{padding:64px 0}.six-grid,.footer-grid,.feature4-grid,.voices4,.review-cards,.three-cards{grid-template-columns:1fr!important}.section-head h2{font-size:30px}.nav-toggle{display:block;background:none;border:0;font-size:24px}.nav-links{display:none}.nav-links.show{display:flex;position:absolute;left:14px;right:14px;top:70px;flex-direction:column;background:#fff;padding:18px;border-radius:12px;box-shadow:0 20px 50px #0002;z-index:50}.hero-actions .btn{width:100%}}body{background:#fff}.topbar4{height:72px;border-bottom:1px solid #e5e7eb}.topbar4 .wrap{height:100%;display:flex;align-items:center;justify-content:space-between}.topbar4 nav{display:flex;gap:26px;font-size:14px;font-weight:700}.hero4{background:linear-gradient(135deg,#0f172a,#1e293b);color:#fff;padding:80px 0 0}.hero4-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}.hero4 h1{font-size:58px;margin:12px 0 6px}.hero4 h2{font-size:26px;margin:0 0 18px;color:#cbd5e1}.hero4 p{font-size:17px;line-height:1.8;color:#cbd5e1}.outline{border:1px solid #64748b;color:#fff}.dual-download{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:30px}.dual-download a{padding:17px;border:1px solid #475569;border-radius:10px}.dual-download b,.dual-download span{display:block}.dual-download span{font-size:12px;color:#94a3b8;margin-top:4px}.phone-shell{width:310px;height:440px;margin:auto;border:10px solid #020617;border-radius:42px;background:#fff;color:#0f172a;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 35px 80px #0008}.phone-shell strong{font-size:30px;margin:18px 0}.phone-shell span{font-size:11px;margin:4px;color:#64748b}.hero-proof{display:grid;grid-template-columns:repeat(3,1fr);margin-top:64px;border-top:1px solid #334155}.hero-proof div{text-align:center;padding:24px;border-right:1px solid #334155}.hero-proof div:last-child{border:0}.hero-proof b{display:block}.hero-proof span{font-size:12px;color:#94a3b8}.feature4-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature4-grid article span{font-size:24px;color:#e31b23}.data4{background:#f8fafc;padding:76px 0}.data4-grid{display:grid;grid-template-columns:repeat(4,1fr);text-align:center}.data4-grid strong{display:block;font-size:22px}.data4-grid span{font-size:13px;color:#94a3b8}.voices4{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.letter{width:50px;height:50px;border-radius:50%;background:#e31b23;color:#fff;display:grid;place-items:center;font-weight:800}.voices4 small{color:#94a3b8}.faq4{background:#f8fafc}.cta4{background:#e31b23;color:#fff;text-align:center;padding:76px 0}.cta4 h2{font-size:42px;margin:0 0 10px}.ghost-light{border:1px solid #fff;color:#fff}.footer4{background:#111827;color:#fff;padding:56px 0 0}.footer4 p,.footer4 span,.footer4 a{color:#94a3b8}@media(max-width:820px){.topbar4 nav{display:none}.hero4-grid{grid-template-columns:1fr}.hero4 h1{font-size:40px}.phone-shell{width:270px;height:390px}.hero-proof{grid-template-columns:1fr}.hero-proof div{border-right:0;border-bottom:1px solid #334155}.data4-grid{grid-template-columns:repeat(2,1fr);gap:24px}.dual-download{grid-template-columns:1fr}.cta4 h2{font-size:32px}}

/* === LIGHT OPTIMIZATION === */
.topbar4{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(12px);
}
.topbar4 nav a{
  transition:color .2s ease;
}
.topbar4 nav a:hover{
  color:#e31b23;
}

.hero4{
  position:relative;
  overflow:hidden;
}
.hero4:before{
  content:"";
  position:absolute;
  width:460px;
  height:460px;
  border-radius:50%;
  right:-180px;
  top:-170px;
  background:rgba(227,27,35,.08);
  pointer-events:none;
}
.hero4-grid,.hero-proof{
  position:relative;
  z-index:2;
}
.hero4 h1{
  letter-spacing:-.045em;
}
.primary{
  box-shadow:0 12px 26px rgba(227,27,35,.22);
  transition:.2s ease;
}
.primary:hover{
  background:#c9171e;
  transform:translateY(-2px);
}
.outline,.ghost-light,.dual-download a{
  transition:.2s ease;
}
.outline:hover,.ghost-light:hover,.dual-download a:hover{
  transform:translateY(-2px);
}
.dual-download a:hover{
  border-color:#94a3b8;
  background:rgba(255,255,255,.035);
}

.phone-shell{
  position:relative;
  overflow:hidden;
}
.phone-shell:after{
  content:"GG";
  position:absolute;
  right:-8px;
  bottom:-18px;
  font-size:110px;
  font-weight:900;
  color:#f1f5f9;
  line-height:1;
  z-index:0;
}
.phone-shell>*{
  position:relative;
  z-index:1;
}

.feature4-grid article,.voices4 article{
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.feature4-grid article:hover,.voices4 article:hover{
  transform:translateY(-5px);
  border-color:#fecaca;
  box-shadow:0 18px 40px rgba(15,23,42,.07);
}

.data4{
  border-top:1px solid #eef2f7;
  border-bottom:1px solid #eef2f7;
}
.data4-grid>div{
  position:relative;
}
.data4-grid>div:not(:last-child):after{
  content:"";
  position:absolute;
  right:0;
  top:6px;
  bottom:6px;
  width:1px;
  background:#e5e7eb;
}

.game-strip{
  padding:72px 0;
  background:#111827;
  color:#fff;
}
.game-strip-head{
  margin-bottom:28px;
}
.game-strip-head>span{
  color:#f87171;
  font-size:12px;
  font-weight:900;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.game-strip-head h2{
  font-size:34px;
  margin:8px 0 0;
}
.game-strip-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border:1px solid #334155;
}
.game-strip-grid article{
  padding:24px;
  border-right:1px solid #334155;
}
.game-strip-grid article:last-child{
  border-right:0;
}
.game-strip-grid b{
  display:block;
  color:#f87171;
  font-size:23px;
  margin-bottom:16px;
}
.game-strip-grid strong{
  display:block;
  font-size:15px;
}
.game-strip-grid span{
  display:block;
  color:#94a3b8;
  font-size:12px;
  margin-top:6px;
}

.faq-q:hover,.faq-item.open .faq-q{
  color:#e31b23;
}

.cta4{
  background:
    radial-gradient(circle at 78% 20%,rgba(255,255,255,.12),transparent 25%),
    linear-gradient(135deg,#e31b23,#c81920);
}

@media(max-width:820px){
  .data4-grid>div:nth-child(2):after{
    display:none;
  }
  .game-strip-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .game-strip-grid article:nth-child(2){
    border-right:0;
  }
  .game-strip-grid article:nth-child(-n+2){
    border-bottom:1px solid #334155;
  }
}

@media(max-width:520px){
  .game-strip-grid{
    grid-template-columns:1fr;
  }
  .game-strip-grid article{
    border-right:0!important;
    border-bottom:1px solid #334155;
  }
  .game-strip-grid article:last-child{
    border-bottom:0;
  }
}