:root{--bg:#f7f8fc;--card:#fff;--text:#101828;--muted:#667085;--line:#e5e7ef;--primary:#6c5ce7;--primary2:#00c2ff;--dark:#111827;--shadow:0 24px 70px rgba(16,24,40,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.container{width:min(1160px,calc(100% - 40px));margin:auto}a{color:inherit;text-decoration:none}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.nav{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.02em}.brand-mark{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 12px 30px rgba(108,92,231,.35)}.nav-links{display:flex;align-items:center;gap:24px;color:#475467;font-weight:600}.nav-links a:hover{color:var(--primary)}.menu-toggle{display:none;border:0;background:#111827;color:#fff;border-radius:12px;padding:8px 12px;font-size:20px}.hero{position:relative;overflow:hidden;padding:96px 0 80px;background:radial-gradient(circle at 20% 20%,rgba(108,92,231,.18),transparent 30%),radial-gradient(circle at 80% 30%,rgba(0,194,255,.20),transparent 32%),linear-gradient(180deg,#fff,#f7f8fc)}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:50px}.eyebrow{margin:0 0 12px;color:var(--primary);font-weight:800;text-transform:uppercase;letter-spacing:.13em;font-size:13px}.hero h1{margin:0;font-size:clamp(42px,5vw,72px);line-height:1.02;letter-spacing:-.055em}.hero-text{font-size:19px;color:#475467;max-width:630px;margin:24px 0 32px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:13px 22px;font-weight:800;transition:.2s ease;border:1px solid transparent}.btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 18px 40px rgba(108,92,231,.25)}.btn.ghost{background:#fff;border-color:var(--line);color:#344054}.btn:hover{transform:translateY(-2px)}.hero-art{min-height:430px;position:relative;display:grid;place-items:center}.gamepad{position:relative;width:360px;height:260px;border-radius:48px;background:linear-gradient(135deg,#151b2d,#2e3358);box-shadow:var(--shadow);transform:rotate(-6deg)}.gamepad:before,.gamepad:after{content:"";position:absolute;width:120px;height:120px;border-radius:38px;background:inherit;bottom:-26px}.gamepad:before{left:-25px}.gamepad:after{right:-25px}.screen{position:absolute;left:78px;top:48px;width:205px;height:116px;border-radius:26px;background:linear-gradient(135deg,#8cf8ff,#b59cff);box-shadow:inset 0 0 0 8px rgba(255,255,255,.12)}.dot{position:absolute;width:22px;height:22px;border-radius:50%;background:#fff;right:52px;bottom:56px;z-index:2}.dot.two{right:88px;bottom:86px;background:#00c2ff}.dot.three{right:120px;bottom:56px;background:#ffca3a}.cross{position:absolute;left:54px;bottom:62px;width:76px;height:76px;z-index:2}.cross i:first-child,.cross i:last-child{position:absolute;background:#fff;border-radius:12px}.cross i:first-child{width:76px;height:24px;top:26px}.cross i:last-child{width:24px;height:76px;left:26px}.floating-card{position:absolute;border-radius:22px;background:#fff;padding:16px 22px;font-weight:900;box-shadow:var(--shadow)}.card-a{top:24px;left:36px}.card-b{right:12px;top:84px}.card-c{bottom:38px;left:96px}.section{padding:82px 0}.section-head{max-width:760px;margin-bottom:30px}.section-head h2{margin:0;font-size:clamp(30px,3.2vw,48px);line-height:1.1;letter-spacing:-.04em}.center{text-align:center;margin-left:auto;margin-right:auto}.muted{color:var(--muted);margin-top:12px}.about-box{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:30px;padding:34px;font-size:18px;color:#475467}

.games-section{
  position:relative;
  overflow:hidden;
  background:
    linear-gradient(
      rgba(10,15,35,.82),
      rgba(10,15,35,.88)
    ),
    url('assets/img/games-bg.jpg') center/cover no-repeat;
}

.games-section::before{
  content:'';
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at top left,
      rgba(108,92,231,.35),
      transparent 35%),
    radial-gradient(circle at bottom right,
      rgba(0,194,255,.28),
      transparent 35%);
  pointer-events:none;
}

.games-section .section-head,
.games-section h2,
.games-section .muted{
  position:relative;
  z-index:2;
  color:#fff;
}

.games-grid{
  position:relative;
  z-index:2;
}

.game-card{
  backdrop-filter:blur(14px);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
}

.game-content h3{
  color:#fff;
}

.game-content p{
  color:rgba(255,255,255,.78);
}


.games-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.game-card{border:1px solid var(--line);border-radius:28px;background:#fff;overflow:hidden;box-shadow:0 18px 50px rgba(16,24,40,.08);transition:.2s ease}.game-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.game-cover{height:210px;position:relative;display:grid;place-items:center;overflow:hidden}.game-cover svg{width:100%;height:100%;display:block}.game-content{padding:24px}.game-content h3{font-size:22px;margin:0 0 8px}.game-content p{color:var(--muted);margin:0 0 20px}.play-btn{width:100%;border:0;cursor:pointer}.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.info-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:0 12px 30px rgba(16,24,40,.06)}.info-card span{display:block;color:var(--muted);font-size:14px;margin-bottom:8px}.info-card strong{display:block;font-size:18px;line-height:1.35}.info-card small{display:block;color:var(--muted);margin-top:5px}.footer{background:#111827;color:#d0d5dd;padding:28px 0}.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}.footer a{margin-left:18px;color:#fff}.legal-page{padding:60px 0 90px;max-width:900px}.back-link{display:inline-flex;margin-bottom:28px;color:var(--primary);font-weight:800}.legal-page h1{font-size:48px;line-height:1.05;margin:0 0 8px;letter-spacing:-.04em}.updated{color:var(--muted);margin-bottom:36px}.legal-page section{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;margin:16px 0}.legal-page h2{margin:0 0 8px;font-size:22px}.legal-page p{margin:0;color:#475467}@media (max-width:900px){.hero-grid,.info-grid{grid-template-columns:1fr}.hero{padding:70px 0}.hero-art{min-height:330px}.gamepad{width:300px;height:220px}.screen{left:65px;top:42px;width:170px;height:96px}.games-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:680px){.container{width:min(100% - 26px,1160px)}.menu-toggle{display:block}.nav-links{display:none;position:absolute;left:13px;right:13px;top:78px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}.nav-links.show{display:flex}.brand span:last-child{font-size:13px}.hero h1{font-size:40px}.games-grid{grid-template-columns:1fr}.footer a{margin-left:0;margin-right:14px}.game-cover{height:190px}}
/* =========================
   动态背景光晕
========================= */

body::before{
  content:'';
  position:fixed;
  width:600px;
  height:600px;
  background:radial-gradient(circle,rgba(108,92,231,.18),transparent 70%);
  top:-200px;
  right:-100px;
  z-index:-1;
  animation:floatGlow 8s ease-in-out infinite;
}

body::after{
  content:'';
  position:fixed;
  width:500px;
  height:500px;
  background:radial-gradient(circle,rgba(0,194,255,.14),transparent 70%);
  bottom:-200px;
  left:-100px;
  z-index:-1;
  animation:floatGlow2 10s ease-in-out infinite;
}

@keyframes floatGlow{
  0%,100%{
    transform:translateY(0px);
  }
  50%{
    transform:translateY(40px);
  }
}

@keyframes floatGlow2{
  0%,100%{
    transform:translateX(0px);
  }
  50%{
    transform:translateX(40px);
  }
}


/* =========================
   页面渐入动画
========================= */

.hero-copy,
.hero-art,
.section-head,
.about-box,
.game-card,
.info-card{
  opacity:0;
  transform:translateY(40px);
  animation:fadeUp .9s ease forwards;
}

.hero-art{
  animation-delay:.2s;
}

.game-card:nth-child(2){
  animation-delay:.15s;
}

.game-card:nth-child(3){
  animation-delay:.3s;
}

@keyframes fadeUp{
  to{
    opacity:1;
    transform:translateY(0);
  }
}


/* =========================
   顶部导航滚动效果
========================= */

.site-header.scrolled{
  background:rgba(17,24,39,.82);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:.3s ease;
}

.site-header.scrolled .nav-links a{
  color:#fff;
}

.site-header.scrolled .brand{
  color:#fff;
}


/* =========================
   按钮流光
========================= */

.btn.primary{
  position:relative;
  overflow:hidden;
}

.btn.primary::before{
  content:'';
  position:absolute;
  top:0;
  left:-120%;
  width:100%;
  height:100%;
  background:linear-gradient(
    120deg,
    transparent,
    rgba(255,255,255,.45),
    transparent
  );
  transition:.8s;
}

.btn.primary:hover::before{
  left:120%;
}


/* =========================
   游戏卡片3D效果
========================= */

.game-card{
  transform-style:preserve-3d;
  perspective:1000px;
}

.game-card:hover{
  transform:
    rotateX(6deg)
    rotateY(-6deg)
    translateY(-10px);
}






/* =========================
   图片缩放
========================= */

.game-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .6s ease;
}

.game-card:hover img{
  transform:scale(1.08);
}


/* =========================
   浮动卡片动画
========================= */

.floating-card{
  animation:floatCard 4s ease-in-out infinite;
}

.card-b{
  animation-delay:1s;
}

.card-c{
  animation-delay:2s;
}

@keyframes floatCard{
  0%,100%{
    transform:translateY(0px);
  }
  50%{
    transform:translateY(-12px);
  }
}


/* =========================
   鼠标渐变跟随
========================= */

.cursor-glow{
  position:fixed;
  width:260px;
  height:260px;
  border-radius:50%;
  background:radial-gradient(circle,
    rgba(108,92,231,.18),
    transparent 70%);
  pointer-events:none;
  z-index:9999;
  transform:translate(-50%,-50%);
  mix-blend-mode:screen;
}


/* =========================
   reveal动画
========================= */

.reveal{
  opacity:0;
  transform:translateY(60px);
  transition:1s ease;
}

.reveal.active{
  opacity:1;
  transform:translateY(0);
}