:root{--tun-shell-ink:#101d52;--tun-shell-line:#dfe6f0;--tun-shell-blue:#1666ae;--tun-shell-surface:#f7faff;--tun-shell-width:1440px}
.tun-site-header,.tun-site-footer,.tun-mobile-dock,.tun-mobile-sheet{font-family:"Noto Sans TC","PingFang TC",system-ui,sans-serif;color:var(--tun-shell-ink)}
.tun-site-header *,.tun-site-footer *,.tun-mobile-dock *,.tun-mobile-sheet *{box-sizing:border-box}
.tun-site-header a,.tun-site-footer a,.tun-mobile-sheet a{color:inherit;text-decoration:none}
.tun-site-header :is(a,summary):focus-visible,.tun-site-footer :is(a,summary):focus-visible,.tun-mobile-dock button:focus-visible,.tun-mobile-sheet :is(a,button):focus-visible{outline:3px solid #167dde;outline-offset:3px}
.tun-site-header{position:sticky;top:0;z-index:90;min-height:80px;padding:11px max(24px,calc((100% - var(--tun-shell-width))/2));display:flex;align-items:center;gap:28px;background:rgba(247,250,255,.96);border-bottom:1px solid var(--tun-shell-line);box-shadow:0 4px 16px rgba(16,29,82,.04);backdrop-filter:blur(14px)}
.tun-site-brand{flex:none;font-size:32px;font-weight:950;letter-spacing:.07em;line-height:1;white-space:nowrap}.tun-site-brand small{display:block;margin-top:7px;font-size:10px;font-weight:750;letter-spacing:.12em;color:#596889}
.tun-site-nav{display:flex;justify-content:center;gap:18px;flex:1}.tun-site-nav details{position:relative}.tun-site-nav summary{list-style:none;cursor:pointer;min-height:44px;display:flex;align-items:center;gap:6px;font-size:14px;font-weight:800}.tun-site-nav summary::-webkit-details-marker,.tun-site-footer summary::-webkit-details-marker{display:none}.tun-site-nav summary svg{width:15px;height:15px;transition:transform .18s ease}.tun-site-nav details[open] summary svg{transform:rotate(180deg)}
.tun-site-nav-dropdown{position:absolute;left:50%;top:47px;transform:translateX(-50%);min-width:190px;padding:10px;background:#fff;border:1px solid var(--tun-shell-line);border-radius:14px;box-shadow:0 16px 40px rgba(23,38,76,.15)}.tun-site-nav-dropdown a{display:flex;min-height:42px;align-items:center;padding:7px 10px;border-radius:9px;font-size:13px;font-weight:700}.tun-site-nav-dropdown a:hover{background:#eef5ff;color:#0f63ad}
.tun-site-account{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:800;white-space:nowrap}.tun-site-account span{padding:9px 14px;border-radius:999px;color:#fff;background:linear-gradient(90deg,#7f48ec,#168bf0)}
.tun-site-footer{display:block;width:100%;padding:20px max(24px,calc((100% - var(--tun-shell-width))/2)) 16px;background:#0c1a3d;border-top:0;color:#f7f9ff}.tun-site-footer-inner{display:grid;grid-template-columns:minmax(300px,1.25fr) repeat(3,minmax(150px,.75fr));align-items:start;gap:24px}.tun-site-footer-brand{display:grid;grid-template-columns:auto minmax(0,1fr);grid-template-areas:"logo copy" "logo social";align-items:center;align-content:start;column-gap:18px;row-gap:0;min-height:48px}.tun-site-footer-brand .tun-site-brand{grid-area:logo;display:inline-block;font-size:25px;color:#fff}.tun-site-footer-brand .tun-site-brand small{color:#b9c6e4}.tun-site-footer-brand p{grid-area:copy;margin:0;color:#c6d0e7;font-size:12px;line-height:1.45}.tun-site-footer-brand>a:last-child{grid-area:social;align-self:start;font-size:12px;font-weight:850;color:#75cdf8}.tun-site-footer-group{border-bottom:0}.tun-site-footer-group summary{min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:14px;cursor:pointer;font-size:14px;font-weight:850;color:#fff}.tun-site-footer-toggle{position:relative;flex:0 0 24px;height:24px;border-radius:50%;background:#1d315d;color:#91d7ff}.tun-site-footer-toggle:before,.tun-site-footer-toggle:after{content:"";position:absolute;left:7px;top:11px;width:10px;height:2px;background:currentColor}.tun-site-footer-toggle:after{transform:rotate(90deg)}.tun-site-footer-group[open] .tun-site-footer-toggle:after{transform:none}.tun-site-footer-group nav{display:grid;gap:2px;padding:2px 0 14px}.tun-site-footer-group nav a{min-height:34px;display:flex;align-items:center;font-size:12px;color:#c6d0e7}.tun-site-footer-group nav a:hover{color:#7cddff}.tun-site-footer-base{margin-top:12px;padding-top:12px;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:18px;color:#9facc8;font-size:13px}
.tun-mobile-dock,.tun-mobile-sheet{display:none}
@media(max-width:1050px){.tun-site-header{gap:17px}.tun-site-brand{font-size:28px}.tun-site-nav{gap:10px}.tun-site-nav summary{font-size:12px}.tun-site-account{font-size:12px}.tun-site-account span{padding:8px 10px}}
@media(max-width:900px){.tun-site-nav{display:none}.tun-site-account{margin-left:auto}.tun-site-footer-inner{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.tun-site-footer-brand{grid-column:1/-1}}
@media(max-width:767px){body{padding-bottom:calc(76px + env(safe-area-inset-bottom))}.tun-site-header{min-height:68px;padding:10px 18px;gap:12px}.tun-site-brand{font-size:25px}.tun-site-account span{display:none}.tun-site-footer{padding:18px 20px 14px}.tun-site-footer-inner{grid-template-columns:1fr;gap:0}.tun-site-footer-brand{margin-bottom:10px;column-gap:14px}.tun-site-footer-base{display:block;padding-bottom:72px}.tun-site-footer-base span{display:block;margin-top:7px}.tun-mobile-dock{position:fixed;z-index:110;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:6px max(4px,env(safe-area-inset-right)) max(6px,env(safe-area-inset-bottom)) max(4px,env(safe-area-inset-left));min-height:64px;background:#fff;border-top:1px solid #dce5f2;box-shadow:0 -5px 24px rgba(16,29,82,.12)}.tun-mobile-dock button{position:relative;min-width:0;min-height:52px;padding:4px 2px;border:0;border-radius:12px;background:transparent;color:#475774;font:inherit;font-size:13px;font-weight:800;line-height:1.3;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px}.tun-mobile-dock button svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.tun-mobile-dock button[aria-expanded="true"]{color:var(--dock-accent);background:var(--dock-tint)}.tun-mobile-dock button[data-current="true"]:not([aria-expanded="true"]):after{content:"";position:absolute;bottom:1px;width:4px;height:4px;border-radius:50%;background:currentColor}.tun-mobile-sheet{position:fixed;z-index:109;left:12px;right:12px;bottom:calc(76px + env(safe-area-inset-bottom));display:block;max-height:65dvh;overflow:auto;background:#fff;border:1px solid #dce5f2;border-radius:20px;box-shadow:0 14px 60px rgba(16,29,82,.25)}.tun-mobile-sheet[hidden]{display:none}.tun-mobile-sheet-head{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 18px 14px;background:var(--dock-tint,#e8f3ff)}.tun-mobile-sheet-head span{display:block;color:#53617f;font-size:13px;font-weight:700}.tun-mobile-sheet-head h2{margin:2px 0 0;color:var(--dock-accent,#1666ae);font-size:24px;line-height:1.3}.tun-mobile-sheet-close{width:44px;height:44px;padding:10px;border:1px solid #d6e1ef;border-radius:50%;display:grid;place-items:center;background:#fff;color:#101d52;cursor:pointer}.tun-mobile-sheet-close svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}.tun-mobile-sheet-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));padding:8px 18px 18px;gap:0 18px}.tun-mobile-sheet-links a{min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:8px;border-bottom:1px solid #e4e8f2;color:#293854;font-size:15px}.tun-mobile-sheet-links a:after{content:"↗";color:var(--dock-accent,#1666ae)}}
.tun-site-footer{padding-top:26px;padding-bottom:22px}
@media(max-width:767px){.tun-site-footer{padding-top:22px;padding-bottom:18px}}
@media(prefers-reduced-motion:reduce){.tun-site-header *,.tun-site-footer *,.tun-mobile-dock *,.tun-mobile-sheet *{scroll-behavior:auto!important;transition:none!important}}