/* 腾龙公司游戏官方网站 - 暗色游戏主题 */
:root{
  --bg:#0a0e1a; --bg2:#111729; --card:#141d31; --card2:#1b263d;
  --text:#e8edf5; --text2:#9fb0cc; --gold:#f0b85c; --gold2:#ffd47a;
  --accent:#5b8cff; --line:rgba(255,255,255,.08); --shadow:0 12px 40px rgba(0,0,0,.5);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC",-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.85;font-size:15px}
a{color:inherit;text-decoration:none;transition:.2s}
img{max-width:100%;display:block;border-radius:8px}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* Topbar */
.topbar{background:rgba(0,0,0,.4);border-bottom:1px solid var(--line);font-size:13px;color:var(--text2)}
.topbar .container{display:flex;justify-content:space-between;padding:8px 20px;flex-wrap:wrap;gap:8px}
.topbar a{margin-left:16px;color:var(--text2)}
.topbar a:hover{color:var(--gold)}

/* Header */
.header{position:sticky;top:0;z-index:100;background:rgba(10,14,26,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{font-size:32px;filter:drop-shadow(0 0 12px rgba(240,184,92,.6))}
.logo-text{font-size:22px;font-weight:800;color:var(--text);letter-spacing:1px}
.logo-text small{display:block;font-size:10px;font-weight:400;color:var(--gold);letter-spacing:3px}
.main-nav ul{display:flex;gap:4px;list-style:none}
.main-nav a{display:block;padding:8px 14px;border-radius:6px;font-size:15px;color:var(--text2)}
.main-nav a:hover,.main-nav li.active a{color:var(--gold);background:rgba(240,184,92,.1)}
.burger{display:none;font-size:26px;cursor:pointer;color:var(--gold)}

/* Banner */
.hero{position:relative;min-height:560px;display:flex;align-items:center;overflow:hidden}
.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,14,26,.92),rgba(10,14,26,.5));z-index:-1}
.hero-content{max-width:680px;padding:40px 0}
.hero h1{font-size:44px;font-weight:900;line-height:1.25;margin-bottom:20px}
.hero h1 span{color:var(--gold)}
.hero p{font-size:17px;color:var(--text2);margin-bottom:28px}
.btn{display:inline-block;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#1a1300;padding:13px 30px;border-radius:8px;font-weight:700;box-shadow:0 6px 20px rgba(240,184,92,.35)}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(240,184,92,.5)}
.btn-ghost{background:transparent;border:1px solid var(--gold);color:var(--gold);margin-left:14px}

/* Section */
.section{padding:70px 0}
.section-title{text-align:center;margin-bottom:46px}
.section-title .en{display:block;font-size:13px;color:var(--gold);letter-spacing:4px;text-transform:uppercase}
.section-title h2{font-size:30px;margin-top:6px}

/* Feature cards */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}

.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:30px;transition:.25s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-6px);border-color:var(--gold);box-shadow:var(--shadow)}
.card .ico{font-size:38px;margin-bottom:16px}
.card h3{font-size:19px;margin-bottom:10px;color:var(--gold2)}
.card p{color:var(--text2);font-size:14px}

/* Game showcase */
.game-card{background:var(--card);border-radius:12px;overflow:hidden;border:1px solid var(--line);transition:.25s}
.game-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--gold)}
.game-card img{width:100%;height:300px;object-fit:cover;border-radius:0}
.game-card .info{padding:20px}
.game-card .tag{font-size:12px;color:var(--gold);letter-spacing:1px}
.game-card h3{font-size:20px;margin:6px 0 8px}
.game-card p{color:var(--text2);font-size:14px}

/* Stats */
.stats{background:linear-gradient(135deg,var(--bg2),#0d1526)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.stat .num{font-size:44px;font-weight:900;color:var(--gold)}
.stat .label{color:var(--text2);margin-top:6px}

/* Content block */
.content-block{max-width:860px;margin:0 auto}
.content-block h2{font-size:24px;color:var(--gold2);margin:32px 0 14px;border-left:4px solid var(--gold);padding-left:14px}
.content-block p{margin-bottom:16px;color:var(--text2)}
.content-block ul,.content-block ol{padding-left:22px;margin-bottom:18px;color:var(--text2)}
.content-block li{margin-bottom:8px}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}

/* Page banner */
.page-banner{background:linear-gradient(135deg,var(--bg2),var(--bg));padding:90px 0 60px;text-align:center;border-bottom:1px solid var(--line)}
.page-banner h1{font-size:36px;color:var(--gold2)}
.page-banner p{color:var(--gold);letter-spacing:3px;margin-top:8px;font-size:13px}

/* Service / product cards */
.svc-card{background:var(--card);border-radius:12px;overflow:hidden;border:1px solid var(--line);transition:.25s}
.svc-card:hover{border-color:var(--gold)}
.svc-card img{width:100%;height:190px;object-fit:cover;border-radius:0}
.svc-card .body{padding:20px}
.svc-card h4{color:var(--gold2);font-size:18px;margin-bottom:8px}
.svc-card p{color:var(--text2);font-size:14px}

/* Case list */
.case-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.case-list .item{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px;transition:.2s}
.case-list .item:hover{border-color:var(--gold);transform:translateY(-3px)}
.case-list .item span{display:block;font-size:12px;color:var(--gold);margin-top:6px}

/* Job table */
.job-table{width:100%;border-collapse:collapse;background:var(--card);border-radius:10px;overflow:hidden;font-size:14px}
.job-table th{background:var(--card2);color:var(--gold);padding:14px;text-align:left}
.job-table td{padding:14px;border-top:1px solid var(--line);color:var(--text2)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info .item{display:flex;gap:16px;align-items:flex-start;margin-bottom:22px}
.contact-info .ico{font-size:28px;color:var(--gold)}
.form-group{margin-bottom:18px}
.form-group label{display:block;margin-bottom:6px;color:var(--text2);font-size:14px}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--text);font-size:15px}
.form-group input:focus,.form-group textarea:focus{border-color:var(--gold);outline:none}

/* News */
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{display:flex;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.25s}
.news-card:hover{border-color:var(--gold);transform:translateY(-4px)}
.news-card img{width:200px;height:150px;object-fit:cover;border-radius:0;flex-shrink:0}
.news-card .txt{padding:16px;flex:1}
.news-card .cat{font-size:12px;color:var(--gold);background:rgba(240,184,92,.12);padding:2px 10px;border-radius:20px;display:inline-block;margin-bottom:8px}
.news-card h3{font-size:16px;line-height:1.5;margin-bottom:8px}
.news-card .date{font-size:12px;color:var(--text2)}
.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px;flex-wrap:wrap}
.pagination a,.pagination span{padding:8px 14px;background:var(--card);border:1px solid var(--line);border-radius:6px;color:var(--text2)}
.pagination .current,.pagination a:hover{border-color:var(--gold);color:var(--gold)}
.sidebar{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px;margin-bottom:24px}
.sidebar h3{color:var(--gold2);margin-bottom:16px;font-size:18px}
.sidebar ul{list-style:none}
.sidebar li{border-bottom:1px solid var(--line);padding:10px 0;font-size:14px;color:var(--text2)}
.sidebar li:last-child{border:none}
.news-detail .meta{color:var(--text2);font-size:14px;margin:16px 0}
.news-detail .points{background:var(--card);border-left:4px solid var(--gold);padding:20px 24px;border-radius:0 8px 8px 0;margin:24px 0}
.news-detail .points li{margin-bottom:10px;color:var(--text2)}

/* Footer */
.site-footer{background:var(--bg2);border-top:1px solid var(--line);padding:60px 0 24px;margin-top:60px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;margin-bottom:40px}
.site-footer h4{color:var(--gold2);margin-bottom:18px;font-size:16px}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:10px;font-size:14px;color:var(--text2)}
.site-footer li a:hover{color:var(--gold)}
.footer-slogan{color:var(--text2);font-size:14px;margin-top:14px;max-width:320px}
.contact-mini li{display:flex;gap:8px;align-items:flex-start}
.footer-bottom{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--text2)}
.footer-bottom a{color:var(--gold)}

/* Reveal anim */
.reveal{opacity:0;transform:translateY(30px);transition:.6s}
.reveal.in{opacity:1;transform:none}

@media(max-width:900px){
  .grid-4,.grid-3,.stat-grid{grid-template-columns:repeat(2,1fr)}
  .grid-2,.about-grid,.contact-grid,.footer-grid{grid-template-columns:1fr}
  .news-list,.case-list{grid-template-columns:1fr}
  .news-card{flex-direction:column}.news-card img{width:100%;height:180px}
  .hero{min-height:440px}.hero h1{font-size:30px}
  .main-nav{position:fixed;inset:74px 0 auto;background:var(--bg2);max-height:0;overflow:hidden;transition:.3s}
  .main-nav.open{max-height:80vh}.main-nav ul{flex-direction:column;padding:16px}
  .burger{display:block}
}
@media(max-width:560px){
  .grid-4,.grid-3,.stat-grid,.grid-2{grid-template-columns:1fr}
  .section{padding:46px 0}
}