/* ===== 腾龙公司游戏官网 样式 ===== */
:root{
  --bg:#07090f;
  --bg2:#0c1020;
  --gold:#e8b96a;
  --gold2:#f6d28a;
  --cyan:#4ee1ff;
  --violet:#7b5cff;
  --text:#e8ecf5;
  --muted:#9aa4bd;
  --line:rgba(255,255,255,.08);
  --max:1200px;
  --side: clamp(16px, 4vw, 64px);
  --ease: cubic-bezier(.22,.68,.35,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","Microsoft YaHei","WenQuanYi Micro Hei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

.page-wrap{max-width:var(--max);margin:0 auto;padding:0 var(--side)}

/* 导航 */
.navbar{
  position:fixed;inset:0 0 auto 0;z-index:100;
  backdrop-filter:blur(12px);
  background:rgba(7,9,15,.72);
  border-bottom:1px solid transparent;
  transition:border-color .3s, background .3s;
}
.navbar.scrolled{border-bottom-color:var(--line);background:rgba(7,9,15,.9)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;max-width:var(--max);margin:0 auto;padding:0 var(--side)}
.brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;letter-spacing:2px}
.brand-dragon{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--gold),var(--violet));position:relative}
.brand-dragon::after{content:"";position:absolute;inset:5px;border:2px solid #0b0e1a;border-radius:4px;clip-path:polygon(0 40%,50% 40%,50% 60%,0 60%,0 75%,50% 60%,100% 75%,100% 25%,50% 40%)}
.brand-sub{color:var(--gold);font-weight:600}
.nav-links{display:flex;gap:34px;font-size:15px;color:var(--muted)}
.nav-links a{position:relative;transition:color .25s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--gold);transition:width .3s var(--ease)}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{width:100%}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:26px}
.nav-toggle span{height:2px;background:var(--text);border-radius:2px;transition:.3s}

/* 通用区块 */
.section{padding:110px 0;position:relative}
.section-dark{background:linear-gradient(180deg,#0a0d1a,#0c1020)}
.container{max-width:var(--max);margin:0 auto;padding:0 var(--side)}
.sec-head{text-align:center;margin-bottom:60px}
.sec-eyebrow{color:var(--gold);letter-spacing:6px;font-size:12px;font-weight:700;margin-bottom:14px}
.sec-title{font-size:clamp(28px,4vw,42px);font-weight:800;letter-spacing:2px}
.sec-title::after{content:"";display:block;width:56px;height:3px;margin:18px auto 0;background:linear-gradient(90deg,var(--gold),var(--violet));border-radius:3px}
.sec-desc{color:var(--muted);margin-top:16px;font-size:16px}
.sec-head-light .sec-title{color:#fff}

/* Hero 横幅 */
.hero{
  position:relative;height:100vh;min-height:640px;
  display:flex;align-items:center;justify-content:center;
  text-align:center;overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0;
  background-image:url('img/hero.jpg');
  background-size:cover;background-position:center 40%;
  animation:bgZoom 20s ease-in-out infinite alternate;
  will-change:transform;
}
@keyframes bgZoom{from{transform:scale(1.04)}to{transform:scale(1.14)}}
.hero-bg::before{content:"";position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(900px 500px at 50% 35%, rgba(123,92,255,.32), transparent 60%),
    radial-gradient(700px 400px at 50% 78%, rgba(78,225,255,.14), transparent 60%),
    linear-gradient(160deg,rgba(5,6,12,.60) 0%,rgba(10,14,34,.30) 50%,rgba(5,6,12,.80) 100%);
}
.hero-bg::after{content:"";position:absolute;inset:0;z-index:1;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px, transparent 1px);
  background-size:44px 44px;opacity:.16}
.hero-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-55%);
  width:min(70vw,820px);height:min(70vw,820px);border-radius:50%;z-index:0;
  background:conic-gradient(from 0deg,var(--violet),var(--cyan),var(--gold),var(--violet));
  filter:blur(80px);opacity:.25;animation:spin 24s linear infinite}
@keyframes spin{to{transform:translate(-50%,-55%) rotate(360deg)}}
.hero-content{position:relative;z-index:2;padding:0 20px}
.hero-tag{letter-spacing:8px;font-size:12px;color:var(--gold);margin-bottom:22px}
.hero-title{font-size:clamp(48px,12vw,120px);font-weight:900;letter-spacing:8px;line-height:1.05;
  background:linear-gradient(180deg,#fff 30%,var(--gold) 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 0 60px rgba(232,185,106,.25)}
.hero-slogan{margin-top:20px;font-size:clamp(15px,2vw,19px);color:var(--muted);letter-spacing:4px}
.hero-actions{margin-top:48px;display:flex;gap:22px;justify-content:center;flex-wrap:wrap}

/* 按钮 —— 横幅核心，极度突出 */
.btn{display:inline-flex;align-items:center;justify-content:center;
  min-width:200px;height:64px;padding:0 44px;border-radius:50px;
  font-size:19px;font-weight:800;letter-spacing:3px;
  position:relative;z-index:2;
  transition:transform .25s var(--ease), box-shadow .3s;
  box-shadow:0 18px 40px rgba(0,0,0,.45);
}
.btn-primary{
  color:#0b0e1a;
  background:linear-gradient(100deg,var(--gold) 0%, #ffb347 55%, var(--gold) 100%);
  background-size:200% 100%;
  animation:shine 5s ease infinite;
}
@keyframes shine{0%,100%{background-position:0% 0}50%{background-position:100% 0}}
.btn-primary:hover{transform:translateY(-5px) scale(1.04);box-shadow:0 26px 56px rgba(232,185,106,.5)}
.btn-ghost{
  color:#fff;
  border:2px solid rgba(255,255,255,.55);
  backdrop-filter:blur(6px);
}
.btn-ghost:hover{transform:translateY(-5px);border-color:var(--cyan);color:var(--cyan);box-shadow:0 22px 50px rgba(78,225,255,.25)}
.hero-scroll{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2}
.hero-scroll span{display:block;width:22px;height:36px;border:2px solid var(--muted);border-radius:14px;position:relative}
.hero-scroll span::after{content:"";position:absolute;left:50%;top:7px;width:4px;height:7px;background:var(--gold);border-radius:3px;transform:translateX(-50%);animation:drop 1.6s ease infinite}
@keyframes drop{0%{opacity:1;transform:translate(-50%,0)}80%{opacity:0;transform:translate(-50%,14px)}100%{opacity:0}}

/* 游戏卡片 */
.games-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.game-card{background:linear-gradient(180deg,#141830,#0f1326);border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:transform .35s var(--ease),border-color .35s}
.game-card:hover{transform:translateY(-10px);border-color:rgba(232,185,106,.5)}
.card-media{height:240px;background-image:var(--img);background-size:cover;background-position:center;position:relative}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top, #0f1326 8%, transparent 60%)}
.card-badge{position:absolute;top:16px;left:16px;z-index:2;padding:5px 14px;border-radius:20px;font-size:12px;font-weight:700;color:#0b0e1a;background:var(--gold)}
.card-body{padding:22px 24px 26px}
.card-body h3{font-size:21px;margin-bottom:10px;letter-spacing:1px}
.card-body p{color:var(--muted);font-size:14px;min-height:44px}
.card-link{display:inline-block;margin-top:16px;color:var(--gold);font-size:14px;font-weight:700;letter-spacing:1px}

/* 关于 */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.about-text h3{font-size:26px;margin-bottom:18px;color:var(--gold)}
.about-text p{color:#c9d1e6;margin-bottom:14px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:32px}
.stat{text-align:center;padding:16px 6px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.02)}
.stat b{display:block;font-size:32px;font-weight:900;color:var(--gold);line-height:1}
.stat b::after{content:"+"}
.stat span{display:block;margin-top:8px;font-size:12px;color:var(--muted);letter-spacing:1px}
.about-features{display:grid;gap:22px}
.feature{display:flex;gap:18px;padding:22px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.02);transition:.3s}
.feature:hover{border-color:rgba(123,92,255,.5);transform:translateX(6px)}
.ico{width:52px;height:52px;flex:none;border-radius:14px;background:linear-gradient(135deg,rgba(232,185,106,.2),rgba(123,92,255,.2));position:relative}
.ico::after{content:"";position:absolute;inset:14px;border:3px solid var(--gold);border-radius:6px}
.ico-engine::after{border-radius:50%;border-style:dashed}
.ico-global::after{clip-path:polygon(50% 0,100% 38%,82% 100%,18% 100%,0 38%)}
.feature h4{font-size:18px;margin-bottom:6px}
.feature p{color:var(--muted);font-size:14px}

/* 新闻 */
.news-list{display:grid;gap:16px;max-width:860px;margin:0 auto}
.news-item{display:flex;align-items:center;gap:26px;padding:22px 26px;border:1px solid var(--line);border-radius:14px;transition:.3s}
.news-item:hover{background:rgba(232,185,106,.06);border-color:rgba(232,185,106,.4);transform:translateX(8px)}
.news-item time{font-size:24px;font-weight:800;color:var(--gold);flex:none;min-width:76px;letter-spacing:1px}
.news-item h4{font-size:16px;font-weight:600}
.news-item span{display:inline-block;margin-top:6px;font-size:12px;color:var(--cyan);letter-spacing:1px}

/* CTA */
.section-cta{text-align:center;background:radial-gradient(700px 300px at 50% 20%, rgba(123,92,255,.22), transparent 60%)}
.cta-inner h2{font-size:clamp(24px,3.5vw,36px);letter-spacing:2px}
.cta-inner>p{color:var(--muted);margin:14px 0 30px}
.subscribe{display:flex;gap:12px;max-width:520px;margin:0 auto;flex-wrap:wrap;justify-content:center}
.subscribe input{flex:1;min-width:240px;height:56px;padding:0 20px;border-radius:40px;border:1px solid var(--line);background:rgba(255,255,255,.05);color:#fff;font-size:15px;outline:none}
.subscribe input:focus{border-color:var(--gold)}
.subscribe .btn{min-width:150px;height:56px;font-size:16px}
.contact-way{margin-top:34px;display:flex;gap:34px;justify-content:center;flex-wrap:wrap;font-size:14px;color:var(--muted)}

/* 页脚 */
.footer{border-top:1px solid var(--line);padding:34px 0;background:#05060c}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot-brand{display:flex;align-items:center;gap:12px}
.foot-name{font-weight:800;letter-spacing:2px}
.foot-copy{font-size:12px;color:var(--muted);margin-top:2px}
.foot-links{display:flex;gap:22px;font-size:13px;color:var(--muted)}
.foot-links a:hover{color:var(--gold)}

/* 入场动画 */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* 响应式 */
@media(max-width:900px){
  .games-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:36px}
}
@media(max-width:680px){
  .nav-links{position:fixed;inset:68px 0 0 0;flex-direction:column;align-items:center;justify-content:center;gap:28px;
    background:rgba(7,9,15,.97);backdrop-filter:blur(12px);transform:translateY(-120%);transition:transform .4s var(--ease)}
  .nav-links.open{transform:none}
  .nav-toggle{display:flex}
  .section{padding:76px 0}
  .games-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .news-item{gap:14px;padding:18px}
  .news-item time{font-size:18px;min-width:58px}
  .btn{min-width:160px;height:56px;font-size:17px;padding:0 30px}
}
@media print{.navbar,.hero-scroll,.subscribe{display:none}}