:root{--bg:#E6EBF2;--surface:#fff;--soft:#F4F7FB;--soft2:#EAF5FF;--brand:#289CFF;--brand2:#168CE8;--border:#D7E8F6;--title:#2E3C52;--text:#3F4D63;--muted:#6F7D91;--hint:#95A1B2;--footer:#2C3B52;--shadow:0 14px 36px rgba(54,91,135,.14)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;overflow-x:hidden}body{background:var(--bg);color:var(--text);font-family:"Microsoft YaHei",Arial,sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}.container{width:min(1180px,calc(100% - 36px));margin:auto}.site-header{position:sticky;top:0;width:100%;z-index:9999;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);box-shadow:0 8px 24px rgba(54,91,135,.12)}.header-inner{max-width:1280px;margin:auto;min-height:72px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:18px;overflow:visible}.brand-logo{width:132px;flex:0 0 auto}.nav-core{display:flex;align-items:center;gap:10px;min-width:0;flex-wrap:nowrap}.nav-core a{white-space:nowrap;padding:10px 11px;color:#48566D;font-weight:700;border-radius:12px}.nav-core a:hover,.nav-core a.active{color:var(--brand);background:var(--soft2)}.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}.app-entry{color:var(--brand);font-weight:700;white-space:nowrap}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 23px;border-radius:999px;background:linear-gradient(135deg,#2BC1F4 0%,#26B5F7 55%,#25A8FB 100%);color:#fff;font-weight:800;box-shadow:0 10px 22px rgba(37,168,251,.28);white-space:nowrap;transition:.2s}.main-btn:hover{transform:translateY(-2px)}.main-btn.compact{min-height:36px;padding:0 17px}.more-menu{position:relative}.menu-button,.drawer-open,.drawer-close{border:0;background:var(--soft2);color:var(--brand2);font-weight:800;border-radius:12px;padding:10px 14px;cursor:pointer}.more-dropdown{display:none;position:absolute;right:0;top:calc(100% + 12px);min-width:230px;padding:10px;background:#fff;border:1px solid rgba(40,156,255,.16);box-shadow:0 18px 42px rgba(54,91,135,.16);border-radius:16px;z-index:10000}.more-menu.open .more-dropdown{display:grid;grid-template-columns:1fr 1fr;gap:6px}.more-dropdown a{padding:9px 10px;border-radius:10px;color:#48566D}.more-dropdown a:hover{background:var(--soft2);color:var(--brand)}.mobile-header{display:none}.mobile-drawer,.drawer-mask{display:none}.banner-slider{width:min(1280px,calc(100% - 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