*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-text-size-adjust:100%}
body{font-family:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:#f4f6f8;color:#243040;line-height:1.65}
img{max-width:100%;height:auto;display:block}
a{color:#2b6cb0;text-decoration:none}
a:hover{text-decoration:underline}
ul{list-style:none}
.container{width:min(1140px,92vw);margin:0 auto}

.site-header{position:sticky;top:0;z-index:100;background:#1b2430;border-bottom:3px solid #2b6cb0}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.6rem 0;gap:1rem}
.logo{font-weight:800;font-size:.92rem;color:#63b3ed;letter-spacing:.03em;display:flex;align-items:center;gap:.5rem}
.logo-pipe{width:18px;height:18px;border:2px solid #63b3ed;display:grid;grid-template-columns:1fr 1fr;gap:2px;padding:2px}
.logo-pipe span{background:#63b3ed}
.nav-main{display:flex;flex-wrap:wrap;gap:.3rem 1rem;font-size:.8rem}
.nav-main a{color:#8aa0b8;font-weight:600}
.nav-main a.active,.nav-main a:hover{color:#63b3ed;text-decoration:none}
.btn-nav{display:inline-block;background:#2b6cb0;color:#fff!important;padding:.38rem .95rem;font-weight:800;font-size:.78rem;text-decoration:none!important}
.btn-nav:hover{background:#3182ce}

.board-bar{background:#243044;color:#8aa0b8;font-size:.72rem;padding:.32rem 0;letter-spacing:.04em}
.board-bar .container{display:flex;flex-wrap:wrap;gap:.4rem 1.4rem}
.board-bar em{color:#63b3ed;font-style:normal;font-weight:700}

.section{padding:3rem 0}
.section-title{font-size:clamp(1.12rem,3vw,1.45rem);font-weight:800;margin-bottom:.35rem;color:#1b2430}
.section-lead{color:#5a6a7a;font-size:.86rem;margin-bottom:1.5rem;max-width:640px}

.ticket{background:#fff;border:1px solid #d8e0e8}

.footer{background:#1b2430;padding:2.2rem 0 0;font-size:.82rem;color:#8aa0b8}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:1.6rem;margin-bottom:1.4rem}
.footer h3{font-size:.86rem;color:#63b3ed;margin-bottom:.55rem;font-weight:800}
.footer a{color:#8aa0b8}
.footer-links{display:flex;flex-wrap:wrap;gap:.3rem .85rem}
.footer-bottom{border-top:1px solid #2a3848;padding-top:.85rem;text-align:center;color:#5a6a7a;font-size:.74rem}

.faq-list{display:flex;flex-direction:column;gap:.4rem}
.faq-item{background:#fff;border:1px solid #d8e0e8;border-left:4px solid #2b6cb0}
.faq-q{width:100%;text-align:left;padding:.9rem 1rem;font-weight:800;font-size:.86rem;background:transparent;border:none;cursor:pointer;color:#1b2430;display:flex;justify-content:space-between;align-items:center;font-family:inherit}
.faq-q::after{content:"+";font-size:1.05rem;color:#2b6cb0;font-weight:400}
.faq-item.open .faq-q::after{content:"−"}
.faq-a{display:none;padding:0 1rem .9rem;font-size:.82rem;color:#5a6a7a}
.faq-item.open .faq-a{display:block}

.btn-pipe{display:inline-block;background:#2b6cb0;color:#fff;padding:.55rem 1.15rem;font-weight:800;font-size:.84rem;text-decoration:none!important}
.btn-pipe:hover{background:#3182ce}
.btn-ghost{display:inline-block;color:#2b6cb0;border:2px solid #2b6cb0;padding:.52rem 1.1rem;font-weight:700;font-size:.84rem;text-decoration:none!important;background:#fff}
.btn-ghost:hover{background:#ebf4ff}

@media(max-width:768px){
  .header-inner{flex-wrap:wrap}
  .footer-grid{grid-template-columns:1fr}
}