/* ===== 空之要塞：启航 官网样式 ===== */
:root {
  --gold: #d9a441;
  --gold-light: #f5cf7a;
  --gold-dark: #8a5a1e;
  --brass: #b87333;
  --navy: #0b1426;
  --navy-2: #111d36;
  --navy-3: #16254a;
  --cream: #f3ead6;
  --steel: #9db2c8;
  --shadow: 0 10px 40px rgba(0,0,0,.45);
  --radius: 16px;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  font-family:'Noto Sans SC',system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
  background:var(--navy);
  color:var(--cream);
  overflow-x:hidden;
  line-height:1.7;
}
::selection { background:var(--gold); color:var(--navy); }
::-webkit-scrollbar { width:10px; }
::-webkit-scrollbar-track { background:var(--navy); }
::-webkit-scrollbar-thumb { background:linear-gradient(var(--gold-dark),var(--brass)); border-radius:5px; }

/* ===== 全局装饰背景 ===== */
.bg-decor { position:fixed; inset:0; z-index:-2; pointer-events:none;
  background:
    radial-gradient(1200px 800px at 80% -10%, rgba(217,164,65,.12), transparent 60%),
    radial-gradient(1000px 700px at -10% 40%, rgba(22,37,74,.9), transparent 60%),
    radial-gradient(800px 600px at 50% 110%, rgba(184,115,51,.10), transparent 60%),
    linear-gradient(180deg,#0a1120 0%, #0b1426 45%, #0d1830 100%);
}
.bg-decor::after { content:''; position:absolute; inset:0; opacity:.35;
  background-image:radial-gradient(circle, rgba(245,207,122,.06) 1px, transparent 1.5px);
  background-size:34px 34px; }
.noise { position:fixed; inset:0; z-index:-1; pointer-events:none; opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E"); }

.container { width:min(1200px, 92%); margin:0 auto; }
.gold-text {
  background:linear-gradient(100deg,#8a5a1e,#e8b64c 35%,#fff3c4 50%,#e8b64c 65%,#8a5a1e);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.section { padding:90px 0; position:relative; }
.sec-head { text-align:center; margin-bottom:56px; }
.sec-tag { display:inline-flex; align-items:center; gap:10px; font-size:13px; letter-spacing:4px;
  color:var(--gold-light); text-transform:uppercase; margin-bottom:14px; }
.sec-tag::before,.sec-tag::after { content:''; width:34px; height:1px;
  background:linear-gradient(90deg,transparent,var(--gold)); }
.sec-tag::after { background:linear-gradient(90deg,var(--gold),transparent); }
.sec-title { font-size:clamp(28px,4.5vw,44px); font-weight:900; letter-spacing:2px; }
.sec-sub { margin-top:14px; color:var(--steel); font-size:15px; max-width:640px; margin-inline:auto; }

/* ===== 顶部公告条 ===== */
.ticker { background:linear-gradient(90deg,var(--gold-dark),var(--gold),var(--gold-dark));
  color:#231303; font-weight:700; font-size:14px; padding:8px 0; overflow:hidden; white-space:nowrap; }
.ticker-inner { display:inline-block; animation:scroll 22s linear infinite; }
.ticker-inner span { margin:0 40px; }
@keyframes scroll { to { transform:translateX(-50%); } }

/* ===== 导航 ===== */
nav { position:sticky; top:0; z-index:100; backdrop-filter:blur(14px);
  background:rgba(11,20,38,.82); border-bottom:1px solid rgba(217,164,65,.25); }
.nav-wrap { display:flex; align-items:center; justify-content:space-between; height:66px; }
.logo { display:flex; align-items:center; gap:12px; text-decoration:none; }
.logo img { width:44px; height:44px; border-radius:10px; box-shadow:0 0 0 2px rgba(217,164,65,.6); }
.logo b { font-size:19px; letter-spacing:1px; color:var(--cream); }
.logo b em { font-style:normal; font-size:11px; display:block; letter-spacing:3px; color:var(--gold-light); }
.nav-links { display:flex; gap:34px; list-style:none; }
.nav-links a { color:var(--steel); text-decoration:none; font-size:15px; font-weight:500;
  position:relative; padding:6px 0; transition:color .3s; }
.nav-links a::after { content:''; position:absolute; left:0; bottom:0; width:0; height:2px;
  background:var(--gold); transition:width .3s; }
.nav-links a:hover { color:var(--gold-light); }
.nav-links a:hover::after { width:100%; }
.nav-links a.active-nav { color:var(--gold-light); }
.nav-links a.active-nav::after { width:100%; }
.nav-btn { background:linear-gradient(135deg,var(--gold),var(--brass)); color:#231303;
  border:none; padding:9px 22px; border-radius:999px; font-weight:700; font-size:14px;
  cursor:pointer; text-decoration:none; transition:transform .25s, box-shadow .25s;
  box-shadow:0 4px 18px rgba(217,164,65,.35); }
.nav-btn:hover { transform:translateY(-2px); box-shadow:0 8px 26px rgba(217,164,65,.5); }
.burger { display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; }
.burger span { width:26px; height:2.5px; background:var(--gold-light); border-radius:2px; transition:.3s; }

/* ===== Hero ===== */
.hero { position:relative; min-height:calc(100vh - 66px); display:flex; align-items:center;
  padding:70px 0; overflow:hidden; }
.hero-bg { position:absolute; inset:0; }
.hero-bg img { width:100%; height:100%; object-fit:cover; filter:brightness(.45) saturate(1.1); }
.hero-bg::after { content:''; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(11,20,38,.72) 0%, rgba(11,20,38,.35) 45%, var(--navy) 100%),
             linear-gradient(90deg, rgba(11,20,38,.85) 0%, transparent 55%); }
.hero-content { position:relative; z-index:2; max-width:620px; animation:rise 1s ease both; }
@keyframes rise { from { opacity:0; transform:translateY(36px);} to { opacity:1; transform:none;} }
.hero-badge { display:inline-flex; align-items:center; gap:8px; padding:6px 16px;
  border:1px solid rgba(217,164,65,.6); border-radius:999px; font-size:13px;
  color:var(--gold-light); letter-spacing:2px; background:rgba(11,20,38,.55); }
.hero-badge .dot { width:8px; height:8px; border-radius:50%; background:#4ade80;
  box-shadow:0 0 10px #4ade80; animation:pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity:.4; } }
.hero h1 { font-size:clamp(40px,7vw,74px); font-weight:900; margin:22px 0 8px; letter-spacing:4px; line-height:1.15; }
.hero h2 { font-size:clamp(17px,2.4vw,22px); font-weight:500; color:var(--gold-light);
  letter-spacing:8px; margin-bottom:20px; }
.hero p { color:#d8e2ee; font-size:16px; margin-bottom:30px; max-width:540px; }
.hero-cta { display:flex; gap:16px; flex-wrap:wrap; margin-bottom:36px; }
/* ===== 二维码 ===== */
.qr-tip { position:relative; display:inline-flex; }
.qr-pop { position:absolute; left:50%; bottom:calc(100% + 16px); transform:translateX(-50%);
  background:linear-gradient(160deg,var(--navy-2),var(--navy-3)); border:1px solid rgba(217,164,65,.4);
  border-radius:14px; padding:14px; text-align:center; box-shadow:0 18px 50px rgba(0,0,0,.55);
  opacity:0; visibility:hidden; transition:opacity .25s, transform .25s, visibility .25s;
  z-index:50; width:auto; }
.qr-tip:hover .qr-pop, .qr-tip:focus-within .qr-pop { opacity:1; visibility:visible; }
.qr-box { display:inline-flex; background:#fff; padding:8px; border-radius:10px; }
.qr-box canvas, .qr-box img { display:block; }
.qr-hint { display:block; margin-top:8px; font-size:12.5px; color:var(--gold-light); letter-spacing:1px; white-space:nowrap; }
.dl-qr { margin-top:34px; display:inline-flex; flex-direction:column; align-items:center; gap:4px; }
.dl-qr .qr-box { background:rgba(11,20,38,.75); border:1px solid rgba(217,164,65,.35); padding:10px; }
.dl-qr .qr-box canvas, .dl-qr .qr-box img { background:#fff; border-radius:6px; }
.dl-qr .qr-hint { margin-top:4px; }
@media (max-width: 1024px) { .qr-pop { display:none; } }
.btn { display:inline-flex; align-items:center; gap:10px; padding:15px 34px; border-radius:12px;
  font-size:16px; font-weight:700; text-decoration:none; cursor:pointer; border:none; transition:.3s; }
.btn-primary { background:linear-gradient(135deg,#f0c05a,var(--gold) 40%,var(--brass));
  color:#231303; box-shadow:0 8px 30px rgba(217,164,65,.45); }
.btn-primary:hover { transform:translateY(-3px) scale(1.02); box-shadow:0 14px 44px rgba(217,164,65,.6); }
.btn-ghost { background:rgba(255,255,255,.08); color:var(--cream); border:1px solid rgba(245,207,122,.5); backdrop-filter:blur(6px); }
.btn-ghost:hover { background:rgba(217,164,65,.18); transform:translateY(-3px); }
.hero-stats { display:flex; gap:40px; flex-wrap:wrap; }
.stat b { display:block; font-size:clamp(22px,3vw,32px); font-weight:900; }
.stat span { font-size:13px; color:var(--steel); letter-spacing:1px; }
.hero-ship { position:absolute; right:4%; bottom:14%; width:min(44vw,560px); z-index:1;
  animation:float 6s ease-in-out infinite; }
.hero-ship img { width:100%; border-radius:20px; box-shadow:0 30px 80px rgba(0,0,0,.6); border:1px solid rgba(217,164,65,.3); }
@keyframes float { 0%,100%{transform:translateY(0) rotate(-1deg);} 50%{transform:translateY(-22px) rotate(1deg);} }

/* ===== 信息卡片 ===== */
.info-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.info-card { background:linear-gradient(160deg,var(--navy-2),var(--navy-3)); padding:26px 22px;
  border-radius:var(--radius); border:1px solid rgba(217,164,65,.18); position:relative; overflow:hidden;
  transition:transform .3s, border-color .3s; }
.info-card::before { content:''; position:absolute; top:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg,var(--gold),transparent); }
.info-card:hover { transform:translateY(-6px); border-color:rgba(217,164,65,.5); }
.info-card .ic { font-size:26px; margin-bottom:10px; }
.info-card b { font-size:15px; display:block; margin-bottom:6px; }
.info-card span { font-size:13px; color:var(--steel); }

/* ===== 简介 ===== */
.intro-grid { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.intro-media { position:relative; }
.intro-media img { width:100%; border-radius:20px; box-shadow:var(--shadow); border:1px solid rgba(217,164,65,.25); }
.intro-media::before { content:''; position:absolute; inset:-18px -18px auto auto; width:70%; height:70%;
  border:2px solid rgba(217,164,65,.3); border-radius:24px; z-index:-1; }
.intro-txt h3 { font-size:clamp(22px,3vw,32px); font-weight:900; margin-bottom:20px; }
.intro-txt p { color:#c7d4e4; margin-bottom:18px; font-size:15.5px; }
.feat-list { list-style:none; margin-top:8px; display:grid; gap:14px; }
.feat-list li { display:flex; gap:14px; align-items:flex-start; }
.feat-list .fl-ic { flex:none; width:40px; height:40px; display:grid; place-items:center;
  background:rgba(217,164,65,.14); border:1px solid rgba(217,164,65,.4); border-radius:10px; font-size:18px; }
.feat-list b { display:block; font-size:15px; }
.feat-list span { font-size:13.5px; color:var(--steel); }

/* ===== 福利 ===== */
.welfare { position:relative; overflow:hidden; }
.welfare::before { content:''; position:absolute; inset:0;
  background:linear-gradient(180deg,transparent, rgba(217,164,65,.06) 30%, rgba(217,164,65,.06) 70%, transparent); }
.welfare-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:22px; position:relative; }
.w-card { background:linear-gradient(165deg, rgba(217,164,65,.12), rgba(22,37,74,.9) 60%);
  border:1px solid rgba(217,164,65,.3); border-radius:18px; padding:30px 24px; text-align:center;
  transition:transform .3s, box-shadow .3s; position:relative; overflow:hidden; }
.w-card::after { content:''; position:absolute; top:-40px; right:-40px; width:120px; height:120px;
  background:radial-gradient(circle, rgba(245,207,122,.2), transparent 70%); }
.w-card:hover { transform:translateY(-8px); box-shadow:0 18px 50px rgba(217,164,65,.22); }
.w-card .wc-icon { width:68px; height:68px; margin:0 auto 16px; display:grid; place-items:center;
  font-size:32px; background:linear-gradient(135deg,var(--gold),var(--brass));
  border-radius:18px; box-shadow:0 8px 24px rgba(217,164,65,.4); }
.w-card b { font-size:18px; display:block; margin-bottom:8px; }
.w-card p { font-size:13.5px; color:var(--steel); }
.w-card .hot { position:absolute; top:12px; right:-34px; transform:rotate(45deg);
  background:linear-gradient(90deg,#f43f5e,#fb923c); color:#fff; font-size:11px; font-weight:700;
  padding:4px 38px; letter-spacing:1px; }
.welfare-banner { margin-top:40px; text-align:center; padding:26px; border-radius:18px;
  background:linear-gradient(135deg, rgba(217,164,65,.15), rgba(184,115,51,.1));
  border:1px dashed rgba(245,207,122,.5); font-size:clamp(15px,2.2vw,19px); font-weight:700; position:relative; }
.welfare-banner b { color:var(--gold-light); font-size:1.25em; }

/* ===== 截图画廊 ===== */
.gallery { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.g-item { position:relative; border-radius:16px; overflow:hidden; cursor:pointer;
  border:1px solid rgba(217,164,65,.2); transition:transform .35s, box-shadow .35s; }
.g-item img { width:100%; height:100%; min-height:230px; object-fit:cover; display:block; transition:transform .5s; }
.g-item:hover { transform:translateY(-6px); box-shadow:0 20px 50px rgba(0,0,0,.5); }
.g-item:hover img { transform:scale(1.06); }
.g-item::after { content:'点击查看大图'; position:absolute; inset:auto 0 0 0; padding:10px;
  background:linear-gradient(transparent, rgba(11,20,38,.85)); color:var(--gold-light);
  font-size:12.5px; letter-spacing:1px; text-align:center; opacity:0; transition:opacity .3s; }
.g-item:hover::after { opacity:1; }
.lightbox { position:fixed; inset:0; z-index:200; background:rgba(5,9,18,.93); display:none;
  place-items:center; padding:30px; cursor:zoom-out; }
.lightbox.open { display:grid; }
.lightbox img { max-width:min(96vw,1100px); max-height:88vh; border-radius:12px;
  box-shadow:0 30px 90px rgba(0,0,0,.7); animation:zoom .3s ease; }
@keyframes zoom { from { transform:scale(.92); opacity:0; } }
.lightbox .lb-close { position:absolute; top:22px; right:30px; font-size:34px; color:var(--gold-light);
  background:none; border:none; cursor:pointer; }

/* ===== 攻略 ===== */
.guide-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:22px; }
.g-card { display:flex; gap:20px; background:linear-gradient(160deg,var(--navy-2),var(--navy-3));
  padding:26px; border-radius:var(--radius); border:1px solid rgba(217,164,65,.15);
  transition:transform .3s, border-color .3s; }
.g-card:hover { transform:translateX(6px); border-color:rgba(217,164,65,.45); }
.g-num { flex:none; width:52px; height:52px; display:grid; place-items:center; font-family:'Cinzel',serif;
  font-size:22px; font-weight:800; color:var(--gold-light); background:rgba(217,164,65,.12);
  border:1px solid rgba(217,164,65,.4); border-radius:12px; }
.g-card b { font-size:17px; display:block; margin-bottom:8px; }
.g-card p { font-size:14px; color:var(--steel); }

/* ===== 首页资讯 ===== */
.news-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:22px; }
.n-card { display:flex; flex-direction:column; background:linear-gradient(165deg,var(--navy-2),var(--navy-3));
  border:1px solid rgba(217,164,65,.18); border-radius:16px; overflow:hidden; text-decoration:none;
  color:var(--cream); transition:transform .3s, box-shadow .3s, border-color .3s; }
.n-card:hover { transform:translateY(-8px); box-shadow:0 18px 46px rgba(0,0,0,.5); border-color:rgba(217,164,65,.5); }
.n-cover { position:relative; overflow:hidden; aspect-ratio:16/9; }
.n-cover img { width:100%; height:100%; object-fit:cover; transition:transform .5s; }
.n-card:hover .n-cover img { transform:scale(1.07); }
.n-tag { position:absolute; top:12px; left:12px; padding:3px 12px; border-radius:999px; font-size:12px;
  font-weight:700; background:linear-gradient(135deg,var(--gold),var(--brass)); color:#231303; }
.n-body { padding:18px 20px 20px; display:flex; flex-direction:column; flex:1; }
.n-body h4 { font-size:16px; font-weight:700; line-height:1.55; margin-bottom:8px;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.n-body p { font-size:13.5px; color:var(--steel); line-height:1.7; margin-bottom:14px; flex:1;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.n-date { font-size:12.5px; color:var(--steel); }

/* ===== 游戏视频 ===== */
.video-wrap { max-width:960px; margin:0 auto; position:relative; }
.video-frame { position:relative; border-radius:20px; overflow:hidden;
  border:1px solid rgba(217,164,65,.3); box-shadow:0 24px 60px rgba(0,0,0,.5);
  background:var(--navy-2); }
.video-frame::before { content:''; position:absolute; inset:-2px; z-index:-1; border-radius:22px;
  background:linear-gradient(120deg, rgba(217,164,65,.55), transparent 40%, transparent 60%, rgba(217,164,65,.45));
  filter:blur(6px); opacity:.7; }
.video-frame video { display:block; width:100%; aspect-ratio:16/9; object-fit:cover; background:#000; }
.video-frame video::-webkit-media-controls-panel { background:linear-gradient(transparent, rgba(11,20,38,.8)); }

/* ===== 下载 CTA ===== */
.download { text-align:center; position:relative; overflow:hidden; }
.download .dl-bg { position:absolute; inset:0; z-index:-1; }
.download .dl-bg img { width:100%; height:100%; object-fit:cover; filter:brightness(.3); }
.download h2 { font-size:clamp(30px,5vw,50px); font-weight:900; margin-bottom:14px; }
.download p { color:var(--steel); max-width:560px; margin:0 auto 34px; }
.dl-actions { display:flex; gap:18px; justify-content:center; flex-wrap:wrap; }
.dl-chip { display:flex; align-items:center; gap:12px; padding:13px 24px; border-radius:14px;
  background:rgba(11,20,38,.75); border:1px solid rgba(217,164,65,.35); text-align:left;
  text-decoration:none; color:var(--cream); transition:.3s; }
.dl-chip:hover { border-color:var(--gold); transform:translateY(-3px); }
.dl-chip .dl-ic { font-size:24px; }
.dl-chip b { display:block; font-size:15px; }
.dl-chip span { font-size:12px; color:var(--steel); }
.dl-note { margin-top:26px; font-size:13px; color:var(--steel); }

/* ===== 页脚 ===== */
footer { border-top:1px solid rgba(217,164,65,.2); padding:44px 0 30px;
  background:rgba(5,9,18,.6); }
.foot-grid { display:flex; justify-content:space-between; align-items:center; gap:20px; flex-wrap:wrap; }
.foot-brand { display:flex; align-items:center; gap:12px; }
.foot-brand img { width:40px; height:40px; border-radius:8px; }
.foot-brand b { font-size:16px; }
.foot-brand small { display:block; color:var(--steel); font-size:12px; }
.foot-copy { color:#5d6f88; font-size:12.5px; line-height:1.9; text-align:center; margin-top:24px; }

/* ===== 友情链接 ===== */
.foot-links { display:flex; flex-wrap:wrap; align-items:center; gap:10px;
  justify-content:center; margin-top:26px; padding-top:20px;
  border-top:1px solid rgba(217,164,65,.14); }
.fl-tag { font-size:13px; color:var(--steel); margin-right:4px; }
.foot-links a { font-size:13px; color:#7d92ab; text-decoration:none;
  padding:5px 16px; border:1px solid rgba(217,164,65,.22); border-radius:999px;
  transition:.3s; }
.foot-links a:hover { color:var(--gold-light); border-color:var(--gold);
  background:rgba(217,164,65,.08); }

/* ===== 回到顶部 ===== */
.to-top { position:fixed; right:22px; bottom:22px; z-index:99; width:46px; height:46px;
  border-radius:50%; border:1px solid rgba(217,164,65,.5); background:rgba(11,20,38,.85);
  color:var(--gold-light); font-size:20px; cursor:pointer; opacity:0; pointer-events:none;
  transition:.3s; backdrop-filter:blur(8px); }
.to-top.show { opacity:1; pointer-events:auto; }
.to-top:hover { background:var(--gold); color:var(--navy); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .info-grid { grid-template-columns:repeat(2,1fr); }
  .hero-ship { display:none; }
  .hero { text-align:center; }
  .hero-content { max-width:none; }
  .hero p { margin-inline:auto; }
  .hero-cta { justify-content:center; }
  .hero-stats { justify-content:center; }
  .intro-grid { grid-template-columns:1fr; gap:44px; }
  .gallery { grid-template-columns:repeat(2,1fr); }
}
@media (max-width: 768px) {
  .section { padding:64px 0; }
  .nav-links { position:fixed; inset:66px 0 auto 0; flex-direction:column; gap:0;
    background:rgba(11,20,38,.97); padding:10px 8%; border-bottom:1px solid rgba(217,164,65,.25);
    max-height:0; overflow:hidden; transition:max-height .4s ease; }
  .nav-links.open { max-height:420px; }
  .nav-links a { display:block; padding:14px 0; border-bottom:1px solid rgba(255,255,255,.06); }
  .burger { display:flex; }
  .nav-btn { display:none; }
  .info-grid { grid-template-columns:1fr; }
  .gallery { grid-template-columns:1fr; }
  .guide-grid { grid-template-columns:1fr; }
  .hero { padding-top:44px; }
  .hero h1 { letter-spacing:2px; }
  .welfare-grid { grid-template-columns:1fr; }
}
@media (max-width: 420px) {
  .hero-stats { gap:22px; }
  .ticker { font-size:12.5px; }
}