:root{--brand-navy:#282b34;--brand-teal:#27b8b2;--brand-blue:#4ce0e5;--site-shell:1180px}
.site-header *,.site-footer *{box-sizing:border-box}
.site-header a,.site-footer a{color:inherit;text-decoration:none}
.site-header img,.site-footer img{display:block;max-width:100%}
.site-header button{font:inherit}
.site-header .shell,.site-footer .shell{width:min(var(--site-shell),calc(100% - 48px));margin-inline:auto}
.site-header .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-header{position:absolute;z-index:50;top:0;right:0;left:0;border:0;background:transparent;transition:box-shadow .2s}
.site-header.is-scrolled{position:fixed;box-shadow:0 8px 26px rgba(37,39,47,.1)}
.announcement-bar{display:grid;height:34px;place-items:center;color:#fff;background:linear-gradient(100deg,#157f8a,#24c6cc)}
.announcement-bar p{margin:0;padding:0 20px;font-size:13px;font-weight:650;line-height:1.5;letter-spacing:.02em;text-align:center}
.nav-bar{border-bottom:1px solid rgba(59,63,75,.1);background:rgba(255,255,255,.96);transition:background .2s,box-shadow .2s;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.site-header.is-scrolled .nav-bar{background:rgba(255,255,255,.84)}
.site-header .header-inner{display:flex;align-items:center;height:72px;gap:24px;padding:0}
.site-header .brand{display:flex;flex:0 0 auto;align-items:center}
.site-header .brand img{width:146px;height:auto;filter:none}
.site-header .nav-toggle{display:none}
.site-header #main-nav{position:static;display:flex;flex:0 1 auto;align-items:center;justify-content:flex-start;gap:20px;margin-left:auto;padding:0;background:none;box-shadow:none}
.site-header #main-nav>a,.site-header #main-nav .nav-dropdown-link{position:relative;width:auto;padding:24px 0;color:var(--brand-navy);font-size:14px;font-weight:650;line-height:24px;white-space:nowrap}
.site-header #main-nav>a:hover,.site-header #main-nav .nav-dropdown-link:hover,.site-header #main-nav>a[aria-current="page"],.site-header #main-nav .nav-dropdown-link[aria-current="page"],.site-header .nav-dropdown-toggle:hover,.site-header .nav-dropdown-toggle[aria-expanded="true"]{color:#128d88}
.site-header #main-nav>a::after,.site-header #main-nav .nav-dropdown-link::after{position:absolute;right:0;bottom:13px;left:0;display:block;height:2px;background:linear-gradient(90deg,var(--brand-teal),var(--brand-blue));transform:scaleX(0);transition:transform .2s;content:""}
.site-header #main-nav>a:hover::after,.site-header #main-nav>a:focus-visible::after,.site-header #main-nav .nav-dropdown-link:hover::after,.site-header #main-nav .nav-dropdown-link:focus-visible::after,.site-header #main-nav .nav-dropdown-link[aria-current="page"]::after{transform:scaleX(1)}
.site-header .nav-dropdown{position:relative;display:flex;align-items:center;gap:4px}
.site-header .nav-dropdown-toggle{display:grid;width:24px;height:32px;place-items:center;padding:0;border:0;color:var(--brand-navy);background:transparent;cursor:pointer}
.site-header .nav-dropdown-toggle>i{width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-2px) rotate(45deg);transition:transform .2s}
.site-header .nav-dropdown-toggle[aria-expanded="true"]>i{transform:translateY(2px) rotate(225deg)}
.site-header .nav-dropdown-menu{position:absolute;top:64px;left:50%;display:grid;width:286px;padding:10px;border:1px solid rgba(32,144,148,.14);border-radius:10px;background:rgba(255,255,255,.98);box-shadow:0 18px 42px rgba(47,50,59,.16);opacity:0;visibility:hidden;transform:translate(-50%,-7px);transition:opacity .18s,visibility .18s,transform .18s}
.site-header .nav-dropdown-menu a{display:block;padding:11px 13px;border:0;border-radius:6px;color:#346062;font-size:13px;font-weight:600;line-height:1.45}
.site-header .nav-dropdown-menu a:hover,.site-header .nav-dropdown-menu a:focus-visible{color:#0f7e7a;background:#eef9f8}
.site-header .nav-dropdown.is-open .nav-dropdown-menu{opacity:1;visibility:visible;transform:translate(-50%,0)}
@media(hover:hover){.site-header .nav-dropdown:hover .nav-dropdown-menu{opacity:1;visibility:visible;transform:translate(-50%,0)}}
.site-header .header-action{min-height:42px;margin:0;padding:0 17px;border:0;border-radius:8px;color:#fff;background:linear-gradient(105deg,var(--brand-teal),var(--brand-blue));box-shadow:0 8px 20px rgba(39,184,178,.2);font-size:13px;font-weight:700;white-space:nowrap;cursor:pointer}
.site-header .header-action:hover{border:0;color:#fff;background:linear-gradient(105deg,#20aaa4,#35dce2);transform:translateY(-1px)}
.site-header a:focus-visible,.site-header button:focus-visible,.site-footer a:focus-visible,.site-footer summary:focus-visible{outline:3px solid #42d5ca;outline-offset:4px}
.site-footer{color:#c3dddc;background:linear-gradient(145deg,#141519 0%,#1b1d22 56%,#1f2127 100%);font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;line-height:1.6}
.site-footer .footer-main{display:grid;grid-template-columns:1.9fr repeat(3,.8fr);align-items:start;gap:48px;padding:44px 0 34px}
.site-footer .footer-brand>img{width:142px;height:auto;margin:0 0 14px;filter:none;opacity:1}
.site-footer .footer-brand h2,.site-footer .footer-nav h2{margin:0;color:#fff;font-size:16px;font-weight:700;line-height:1.5}
.site-footer .footer-slogan{margin:4px 0 10px;color:#fff;font-size:14px;font-weight:600;letter-spacing:.04em}
.site-footer .footer-summary{max-width:360px;margin:0;color:#c3dddc;font-size:13px;line-height:1.7}
.site-footer .footer-nav{position:static;display:block;margin:0;padding:0;background:none;box-shadow:none}
.site-footer .footer-nav ul{display:grid;gap:11px;margin:20px 0 0;padding:0;list-style:none}
.site-footer .footer-nav li{margin:0;padding:0}
.site-footer .footer-nav a{display:inline;padding:2px 0;border:0;color:#bdd8d7;font-size:13px;line-height:1.55;transition:color .2s}
.site-footer .footer-nav a::after{display:none}
.site-footer .footer-nav a:hover,.site-footer .footer-brand a:hover,.site-footer .footer-legal a:hover{color:#42d5ca}
.site-footer .footer-brand-contact{margin-top:16px;padding-top:14px;border-top:1px solid rgba(181,229,227,.16)}
.site-footer .footer-contact-list{display:grid;gap:8px}
.site-footer .footer-contact-item{display:grid;grid-template-columns:38px minmax(0,1fr);align-items:baseline;min-width:0}
.site-footer .footer-contact-item>span{color:#8fbabb;font-size:12px;font-weight:600;letter-spacing:.08em}
.site-footer .footer-contact-item a{color:#fff;font-size:14px;font-weight:600;transition:color .2s}
.site-footer .footer-phone a{font-size:18px;letter-spacing:.02em}
.site-footer .footer-address address{min-width:0;color:#c3dddc;font-size:12px;font-style:normal;line-height:1.55}
.site-footer .footer-address address strong,.site-footer .footer-address address span{display:block}
.site-footer .footer-address strong{color:#eaf7f7;font-weight:600}
.site-footer .footer-qr{display:flex;align-items:center;gap:10px;margin:12px 0 0 38px}
.site-footer .footer-qr-frame{display:block;flex:0 0 auto;padding:6px;border-radius:7px;background:#fff;box-shadow:0 8px 24px rgba(0,0,0,.2)}
.site-footer .footer-qr img{display:block;width:132px;height:132px;max-width:none;object-fit:contain;filter:none;opacity:1;visibility:visible}
.site-footer .footer-qr figcaption{color:#dbefee;font-size:11px;line-height:1.5;white-space:nowrap}
.site-footer .footer-legal{display:flex;align-items:center;gap:24px;min-height:48px;color:#aecccd;font-size:12px}
.site-footer .footer-legal>a{color:#bdd8d7;transition:color .2s}
.site-footer .footer-privacy{position:relative}
.site-footer .footer-privacy summary{color:#bdd8d7;cursor:pointer;list-style-position:inside;transition:color .2s}
.site-footer .footer-privacy p{position:absolute;z-index:2;bottom:calc(100% + 12px);left:0;width:min(420px,calc(100vw - 32px));margin:0;padding:16px 18px;border:1px solid rgba(80,209,199,.26);border-radius:8px;color:#d7eceb;background:#21232a;box-shadow:0 14px 34px rgba(0,0,0,.28);font-size:12px;line-height:1.75}
.site-footer .copyright{margin:0;padding:14px 24px;border-top:1px solid rgba(181,229,227,.1);color:#94babb;font-size:12px;line-height:1.7;text-align:center}
@media(max-width:1120px){
  .site-header .header-inner{height:68px}
  .site-header .nav-toggle{display:flex;width:42px;height:42px;flex-direction:column;align-items:center;justify-content:center;gap:5px;margin-left:auto;border:0;background:transparent;cursor:pointer}
  .site-header .nav-toggle i{display:block;width:22px;height:2px;background:var(--brand-navy);transition:transform .2s,opacity .2s}
  .site-header .nav-toggle[aria-expanded="true"] i:nth-of-type(1){transform:translateY(7px) rotate(45deg)}
  .site-header .nav-toggle[aria-expanded="true"] i:nth-of-type(2){opacity:0}
  .site-header .nav-toggle[aria-expanded="true"] i:nth-of-type(3){transform:translateY(-7px) rotate(-45deg)}
  .site-header #main-nav{position:absolute;top:102px;right:0;left:0;display:none;max-height:calc(100vh - 102px);flex-direction:column;align-items:stretch;gap:0;margin:0;padding:10px 24px 22px;overflow-y:auto;background:rgba(255,255,255,.98);box-shadow:0 20px 40px rgba(55,59,71,.14)}
  .site-header #main-nav.open{display:flex}
  .site-header #main-nav>a{width:100%;padding:11px 0;border-bottom:1px solid #e3f3f2;font-size:14px;text-align:left}
  .site-header #main-nav>a::after,.site-header #main-nav .nav-dropdown-link::after{display:none}
  .site-header .nav-dropdown{display:grid;grid-template-columns:minmax(0,1fr) 44px;gap:0}
  .site-header .nav-dropdown-link{width:100%;padding:11px 0;border-bottom:1px solid #e3f3f2;font-size:14px;text-align:left}
  .site-header .nav-dropdown-toggle{width:44px;height:auto;border-bottom:1px solid #e3f3f2}
  .site-header .nav-dropdown-menu{grid-column:1/-1}
  .site-header .nav-dropdown-menu{position:static;display:none;width:auto;padding:0 0 0 14px;border:0;border-radius:0;background:#f6fbfb;box-shadow:none;opacity:1;visibility:visible;transform:none}
  .site-header .nav-dropdown.is-open .nav-dropdown-menu{display:grid;transform:none}
  .site-header .nav-dropdown-menu a{padding:10px 12px;border-bottom:1px solid #e5efef;border-radius:0}
  .site-header .header-action{margin-left:0}
  .site-footer .footer-main{grid-template-columns:1.7fr repeat(3,.8fr);gap:30px}
}
@media(max-width:768px){.site-footer .footer-main{grid-template-columns:1.25fr 1fr;gap:34px 36px;padding:40px 0 30px}.site-footer .footer-legal{flex-wrap:wrap;gap:10px 22px;padding:12px 0}}
@media(max-width:640px){
  .announcement-bar p{font-size:12px;letter-spacing:0}
  .site-header .shell,.site-footer .shell{width:calc(100% - 32px)}
  .site-header .header-inner{height:64px}
  .site-header .brand img{width:138px}
  .site-header .header-action{display:none}
  .site-header #main-nav{top:98px;max-height:calc(100vh - 98px);padding-right:16px;padding-left:16px}
}
@media(max-width:520px){.site-footer .footer-main{grid-template-columns:1fr;gap:28px;padding:34px 0 26px}.site-footer .footer-summary{max-width:none}.site-footer .footer-nav ul{margin-top:14px}.site-footer .footer-legal{align-items:flex-start;flex-direction:column;gap:10px;min-height:0;padding:16px 0}.site-footer .footer-privacy p{position:static;width:auto;margin-top:10px}.site-footer .copyright{padding:13px 16px}}
@media(prefers-reduced-motion:reduce){.site-header *,.site-footer *{transition:none!important}}