:root {
  --primary: #060d1a;
  --primary-light: #0d1b2e;
  --accent: #c9a227;
  --accent-glow: rgba(201, 162, 39, 0.35);
  --text: #e8ecf1;
  --muted: #8899aa;
  --bg: #060d1a;
  --card-bg: #0f1a2a;
  --border: rgba(255, 255, 255, 0.06);
  --white: #fff;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Inter", sans-serif; color: var(--text); background: var(--bg); line-height: 1.7; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ===== HEADER ===== */
.site-header { background: rgba(255, 255, 255, 0.94); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); position: sticky; top:0; z-index:1000; border-bottom: 1px solid #e8ecf1; box-shadow: 0 1px 12px rgba(0,0,0,.04); }
.header-inner { max-width: 1320px; margin:0 auto; display: flex; align-items: center; padding: 0 28px; height: 72px; gap: 24px; }
.logo-text { font-size: 1.6rem; font-weight: 800; letter-spacing: 0.08em; background: linear-gradient(135deg, #c9a227 0%, #a07d10 60%, #8a6a0a 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.main-nav { display: flex; gap: 32px; margin-left: 20px; }
.main-nav a { color: #55606d; font-size: .9rem; font-weight: 500; letter-spacing: 0.03em; transition: color .25s; position: relative; padding: 4px 0; }
.main-nav a::after { content:''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--accent); transition: width .25s; }
.main-nav a:hover { color: #060d1a; }
.main-nav a:hover::after { width: 100%; }
.header-right { margin-left: auto; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.btn { padding: 9px 22px; border-radius: 8px; font-size: .88rem; font-weight: 600; letter-spacing: 0.02em; transition: all .3s; }
.btn-open { background: linear-gradient(135deg, #c9a227, #a07d10); color: #fff; box-shadow: 0 2px 16px var(--accent-glow); }
.btn-open:hover { box-shadow: 0 4px 28px var(--accent-glow); transform: translateY(-1px); }
.btn-login { border: 1px solid #d5dbe3; color: #55606d; }
.btn-login:hover { border-color: var(--accent); color: #a07d10; }
.header-qq { width: 100%; text-align: right; font-size: .75rem; color: #8899aa; margin-top: -4px; letter-spacing: 0.02em; }
.nav-toggle { display: none; background:none; border:none; color: #55606d; font-size:1.6rem; cursor:pointer; margin-left:auto; }

/* ===== HERO SLIDER (CSS only, no images) ===== */
.hero {
  height: 88vh; min-height: 600px; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center; text-align: center;
  background: radial-gradient(ellipse at 50% 0%, #122240 0%, #060d1a 70%);
}
/* 动态网格背景 */
.hero::before {
  content:''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(201, 162, 39, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 162, 39, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridShift 20s linear infinite;
}
@keyframes gridShift { 0% { transform: translate(0,0); } 100% { transform: translate(60px, 60px); } }
/* 光晕 */
.hero::after {
  content:''; position: absolute; width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,162,39,0.08) 0%, transparent 70%);
  top: 20%; left: 50%; transform: translateX(-50%);
  animation: pulseGlow 6s ease-in-out infinite;
}
@keyframes pulseGlow { 0%,100% { opacity: 0.6; transform: translateX(-50%) scale(1); } 50% { opacity: 1; transform: translateX(-50%) scale(1.15); } }

.hero-content { position: relative; z-index: 2; max-width: 820px; padding: 0 28px; }
.hero-tag { display: inline-block; padding: 6px 18px; border-radius: 100px; border: 1px solid rgba(201,162,39,.3); color: var(--accent); font-size: .8rem; letter-spacing: 0.12em; margin-bottom: 28px; animation: fadeUp 0.8s ease both; }
.hero-content h1 {
  font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 800; letter-spacing: 0.02em; line-height: 1.2;
  background: linear-gradient(180deg, #fff 0%, #b8c4d4 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  animation: fadeUp 0.8s 0.15s ease both;
}
.hero-content .hero-sub { font-size: clamp(1rem, 1.6vw, 1.2rem); color: var(--muted); margin-top: 18px; letter-spacing: 0.04em; animation: fadeUp 0.8s 0.3s ease both; }
.hero-stats { display: flex; justify-content: center; gap: 56px; margin-top: 52px; flex-wrap: wrap; animation: fadeUp 0.8s 0.45s ease both; }
.hero-stat { text-align: center; }
.hero-stat .num { font-size: clamp(1.6rem, 2.5vw, 2.2rem); font-weight: 800; color: var(--accent); letter-spacing: 0.02em; }
.hero-stat .label { font-size: .82rem; color: var(--muted); margin-top: 4px; letter-spacing: 0.06em; }
@keyframes fadeUp { from { opacity:0; transform: translateY(28px); } to { opacity:1; transform: translateY(0); } }

/* ===== SECTIONS ===== */
.section { padding: 100px 28px; max-width: 1240px; margin: 0 auto; }
.section-dark { background: var(--primary-light); max-width: 100%; padding: 100px 28px; }
.section-dark > .inner { max-width: 1240px; margin: 0 auto; }
.section-title { text-align: center; font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 700; margin-bottom: 56px; color: var(--white); letter-spacing: 0.04em; position: relative; }
.section-title::after { content:''; display:block; width: 40px; height: 2px; background: var(--accent); margin: 18px auto 0; }
.section-title.light { color: var(--white); }

/* Cards */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px;
  padding: 36px 28px; transition: all .35s cubic-bezier(.25,.8,.25,1); position: relative; overflow: hidden;
}
.card::before { content:''; position: absolute; top:0; left:0; right:0; height: 2px; background: linear-gradient(90deg, transparent, var(--accent), transparent); opacity: 0; transition: opacity .35s; }
.card:hover { border-color: rgba(201,162,39,.25); transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0,0,0,.3); }
.card:hover::before { opacity: 1; }
.card .card-icon { width: 44px; height: 44px; border-radius: 10px; background: rgba(201,162,39,.1); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 1.3rem; color: var(--accent); }
.card h3 { font-size: 1.1rem; margin-bottom: 12px; color: var(--white); font-weight: 700; letter-spacing: 0.02em; }
.card p { color: var(--muted); font-size: .9rem; line-height: 1.75; }
.card .card-meta { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); font-size: .8rem; color: var(--accent); letter-spacing: 0.04em; }

/* Trust bar */
.trust-bar { display: flex; justify-content: center; gap: 48px; flex-wrap: wrap; padding: 40px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); margin-bottom: 60px; }
.trust-item { text-align: center; }
.trust-item .val { font-size: 1.5rem; font-weight: 800; color: var(--accent); }
.trust-item .desc { font-size: .78rem; color: var(--muted); margin-top: 4px; letter-spacing: 0.05em; }

/* Account table */
.account-table-wrap { overflow-x: auto; border-radius: 12px; border: 1px solid var(--border); }
.account-table { width: 100%; border-collapse: collapse; font-size: .88rem; min-width: 680px; }
.account-table th { background: rgba(201,162,39,.08); color: var(--accent); padding: 16px 18px; text-align: left; font-weight: 600; font-size: .82rem; letter-spacing: 0.06em; border-bottom: 1px solid var(--border); }
.account-table td { padding: 16px 18px; color: var(--muted); border-bottom: 1px solid var(--border); }
.account-table tr:last-child td { border-bottom: none; }
.account-table td:first-child { color: var(--white); font-weight: 600; }

/* News */
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; padding: 28px 32px; transition: all .3s; }
.news-item:hover { border-color: rgba(201,162,39,.2); box-shadow: 0 8px 30px rgba(0,0,0,.25); }
.news-item h3 { font-size: 1.05rem; margin-bottom: 8px; color: var(--white); font-weight: 600; }
.news-item h3 a:hover { color: var(--accent); }
.news-meta { font-size: .78rem; color: var(--muted); margin-bottom: 10px; letter-spacing: 0.04em; }
.news-excerpt { color: var(--muted); font-size: .88rem; line-height: 1.7; }

/* Article */
.article-content { max-width: 860px; margin: 0 auto; background: var(--card-bg); padding: 56px 48px; border-radius: 16px; border: 1px solid var(--border); }
.article-content h1 { font-size: 1.8rem; margin-bottom: 8px; color: var(--white); font-weight: 700; }
.article-content .meta { color: var(--muted); font-size: .82rem; margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.article-content h2 { font-size: 1.3rem; margin: 32px 0 14px; color: var(--white); }
.article-content h3 { font-size: 1.1rem; margin: 24px 0 10px; color: #ccc; }
.article-content p { margin-bottom: 16px; color: var(--muted); line-height: 1.85; }
.article-content img { margin: 20px 0; border-radius: 8px; }
.article-content ul, .article-content ol { margin: 0 0 16px 24px; color: var(--muted); }

/* Contact */
.contact-box { max-width: 700px; margin: 0 auto; background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px; padding: 48px; text-align: center; }
.contact-qq { font-size: 1.6rem; font-weight: 800; color: var(--accent); margin: 20px 0; letter-spacing: 0.04em; }

/* ===== FOOTER ===== */
.site-footer { background: #03080f; border-top: 1px solid var(--border); color: var(--muted); padding: 64px 28px 0; font-size: .85rem; position: relative; }
.footer-grid { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 48px; }
.footer-col h4 { color: var(--white); font-size: .92rem; font-weight: 700; letter-spacing: 0.04em; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content:''; position: absolute; left: 0; bottom: 0; width: 24px; height: 2px; background: var(--accent); }
.footer-col a { display: block; color: var(--muted); font-size: .86rem; padding: 6px 0; transition: color .2s, padding-left .2s; }
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-col p { color: var(--muted); font-size: .84rem; line-height: 1.8; margin-bottom: 10px; }
.footer-brand .footer-logo { font-size: 1.5rem; font-weight: 800; letter-spacing: 0.08em; background: linear-gradient(135deg, #e8d48b 0%, #c9a227 50%, #a07d10 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 16px; }
.footer-brand p { max-width: 340px; }
.footer-reg { color: var(--accent) !important; font-size: .8rem !important; letter-spacing: 0.04em; opacity: .8; margin-top: 12px; }
.footer-open-btn { display: inline-block !important; margin-top: 8px; padding: 9px 22px; border-radius: 8px; background: linear-gradient(135deg, #c9a227, #a07d10); color: #fff !important; font-weight: 600; font-size: .85rem; transition: all .3s; }
.footer-open-btn:hover { box-shadow: 0 4px 24px var(--accent-glow); transform: translateY(-1px); padding-left: 22px !important; }
.footer-bottom { max-width: 1240px; margin: 0 auto; border-top: 1px solid var(--border); padding: 24px 0 32px; text-align: center; }
.footer-bottom p { font-size: .8rem; color: var(--muted); }
.risk-warning { margin-top: 10px; font-size: .75rem !important; opacity: .5; line-height: 1.8; }
.hidden-admin-link {
  position: absolute; right: 20px; bottom: 20px;
  width: 34px; height: 34px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); opacity: .18; transition: all .3s;
}
.hidden-admin-link:hover { opacity: .7; color: var(--accent); background: rgba(201,162,39,.08); }

/* Mobile Footer */
@media (max-width: 900px) {
  .site-footer { padding: 48px 18px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; padding-bottom: 36px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-brand p { max-width: 100%; }
  .footer-bottom { padding: 20px 0 28px; }
  .hidden-admin-link { right: 12px; bottom: 12px; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* Mobile */
@media (max-width: 900px) {
  .header-inner { flex-wrap: wrap; height: auto; padding: 12px 18px; gap: 8px; }
  .main-nav { display: none; width: 100%; flex-direction: column; gap: 0; margin: 8px 0; }
  .main-nav.open { display: flex; }
 .main-nav a { padding: 12px 0; border-bottom: 1px solid #eef1f5; }
  .header-right { order: 3; width: 100%; justify-content: flex-start; margin-left: 0; }
  .header-qq { text-align: left; }
  .nav-toggle { display: block; }
  .hero { height: 78vh; min-height: 500px; }
  .hero-stats { gap: 28px; }
  .hero-stat .num { font-size: 1.4rem; }
  .section { padding: 64px 18px; }
  .section-dark { padding: 64px 18px; }
  .trust-bar { gap: 24px; }
  .article-content { padding: 32px 22px; }
  .contact-box { padding: 32px 22px; }
  .news-item { padding: 22px; }
  .card { padding: 28px 22px; }
}