:root{--background:0 0 100%;--foreground:0 0 6%;--muted:0 0 96%;--muted-foreground:0 0 45%;--card:0 0 100%;--border:0 0 90%;--ring:189 95% 60%;--accent:48 96% 55%;--radius:16px;--container:1100px}html.dark{--background:207 15% 5%;--foreground:0 0 96%;--muted:0 0 12%;--muted-foreground:0 0 65%;--card:0 0 8%;--border:0 0 14%}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans TC","PingFang TC","Microsoft JhengHei",Arial,sans-serif;color:hsl(var(--foreground));background:hsl(var(--background));transition:background-color .25s ease,color .25s ease}a{color:inherit;text-decoration:none}code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace}.container{width:min(var(--container),calc(100% - 48px));margin-inline:auto}.site{min-height:100vh;display:flex;flex-direction:column}.site-main{flex:1;padding-bottom:28px;position:relative}.site-main::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.18;background-image:radial-gradient(circle at 20% 10%,hsla(var(--accent)/.25) 0,transparent 42%),radial-gradient(circle at 70% 30%,hsla(var(--ring)/.22) 0,transparent 45%),radial-gradient(circle at 40% 85%,hsla(var(--accent)/.18) 0,transparent 55%),repeating-linear-gradient(45deg,hsla(var(--foreground)/.06) 0 1px,transparent 1px 14px)}html.dark .site-main::before{opacity:.12;background-image:radial-gradient(circle at 20% 10%,hsla(var(--accent)/.20) 0,transparent 42%),radial-gradient(circle at 70% 30%,hsla(var(--ring)/.16) 0,transparent 45%),radial-gradient(circle at 40% 85%,hsla(var(--accent)/.14) 0,transparent 55%),repeating-linear-gradient(45deg,hsla(0 0% 100% / .06) 0 1px,transparent 1px 14px)}.glass{background:hsla(0 0% 100% / .78);border:1px solid hsla(var(--border) / .7);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}html.dark .glass{background:hsla(0 0% 100% / .08);border:1px solid hsla(0 0% 100% / .10)}.site-header{position:sticky;top:0;z-index:50;background:hsla(var(--background) / .82);border-bottom:1px solid hsla(var(--border) / .7);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}html.dark .site-header{background:hsla(var(--background) / .72);border-bottom:1px solid hsla(0 0% 100% / .10)}.header-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:-.02em}.brand-mark{width:36px;height:36px;border-radius:0}.brand-text{font-size:18px}.header-right{display:flex;align-items:center;gap:10px;margin-left:auto}.nav-links{display:none;align-items:center;gap:10px;justify-content:flex-end}.nav-links a{font-size:14px;font-weight:800;color:hsl(var(--muted-foreground));padding:10px 12px;border-radius:999px;transition:background-color .15s ease,color .15s ease}.nav-links a:hover{color:hsl(var(--foreground));background:hsla(var(--foreground) / .06)}html.dark .nav-links a:hover{background:hsla(0 0% 100% / .10)}.header-actions{display:flex;align-items:center;gap:10px}.icon-btn{width:40px;height:40px;border-radius:999px;border:1px solid hsla(var(--border)/.7);background:hsla(0 0% 100% / .55);color:hsl(var(--foreground));display:inline-flex;align-items:center;justify-content:center;transition:transform .12s ease,background-color .15s ease}.icon-btn:hover{background:hsla(var(--foreground)/.06)}.icon-btn:active{transform:scale(.96)}html.dark .icon-btn{border:1px solid hsla(0 0% 100% / .12);background:hsla(0 0% 100% / .06)}html.dark .icon-btn:hover{background:hsla(0 0% 100% / .12)}.mobile-only{display:inline-flex}@media (min-width:980px){.nav-links{display:flex}.mobile-only{display:none}}.mobile-menu{position:fixed;inset:0;z-index:80}.mobile-menu-backdrop{position:absolute;inset:0;background:#0000008c}.mobile-menu-panel{position:absolute;right:12px;top:78px;width:min(220px,calc(100% - 24px));border-radius:var(--radius);padding:14px;box-shadow:0 18px 40px #0000002e}.mobile-menu-head{display:flex;align-items:center;justify-content:space-between;padding:4px 2px 10px}.mobile-menu-title{font-weight:900;letter-spacing:-.02em;font-size:16px}.mobile-nav{display:flex;flex-direction:column;gap:6px}.mobile-nav a{padding:12px;border-radius:12px;font-size:16px;font-weight:800;color:hsl(var(--foreground));background:hsla(var(--foreground)/.05)}html.dark .mobile-nav a{background:hsla(0 0% 100% / .10)}.hero{padding:42px 0 10px;position:relative}.hero-inner{text-align:center;padding:22px 18px 8px}.hero-kicker{display:inline-block;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:hsl(var(--muted-foreground));background:hsla(var(--foreground)/.05)}html.dark .hero-kicker{background:hsla(0 0% 100% / .08)}.hero-title{margin:14px 0 10px;font-size:clamp(28px,3.4vw,44px);line-height:1.05;letter-spacing:-.03em;font-weight:950}.hero-sub{margin:0 auto;max-width:72ch;color:hsl(var(--muted-foreground));font-weight:650;line-height:1.6}.hero-cta{margin-top:16px;display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}.btn{border:1px solid hsla(var(--border)/.7);background:hsla(0 0% 100% / .65);color:hsl(var(--foreground));padding:10px 14px;border-radius:14px;font-weight:900;font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .12s ease,background-color .15s ease}.btn:hover{background:hsla(var(--foreground)/.06)}.btn:active{transform:scale(.97)}html.dark .btn{border:1px solid hsla(0 0% 100% / .12);background:hsla(0 0% 100% / .08)}html.dark .btn:hover{background:hsla(0 0% 100% / .12)}.btn-accent{border-color:hsla(var(--accent) / .35);background:hsla(var(--accent) / .20)}.btn-accent:hover{background:hsla(var(--accent) / .30)}html.dark .btn-accent{border-color:hsla(var(--accent) / .28);background:hsla(var(--accent) / .18)}html.dark .btn-accent:hover{background:hsla(var(--accent) / .26)}.btn-ghost{background:#fff0}.bottom-copyright{padding:16px 12px 0;text-align:center;font-weight:850;font-size:12px;color:hsl(var(--muted-foreground))}html.dark .bottom-copyright{color:hsla(0 0% 100% / .75)}.ip-card{margin:12px auto 8px;border-radius:var(--radius);padding:16px}.ip-status{font-weight:900;letter-spacing:-.02em;margin-bottom:12px}.ip-grid{display:grid;grid-template-columns:1fr;gap:8px}@media (min-width:720px){.ip-grid{grid-template-columns:1fr 1fr;gap:10px}}.kv{border:1px solid hsla(var(--border)/.7);background:hsla(var(--foreground)/.03);border-radius:14px;padding:12px;min-height:64px}html.dark .kv{border:1px solid hsla(0 0% 100% / .12);background:hsla(0 0% 100% / .06)}.kv-key{font-size:12px;font-weight:900;color:hsl(var(--muted-foreground));letter-spacing:.06em;text-transform:uppercase}.kv-val{margin-top:6px;font-weight:900;overflow-wrap:anywhere}.ip-raw{margin-top:12px;border-radius:14px;border:1px solid hsla(var(--border)/.7);background:hsla(var(--foreground)/.03);padding:12px;white-space:pre-wrap;word-break:break-word;font-size:13px;line-height:1.6}html.dark .ip-raw{border:1px solid hsla(0 0% 100% / .12);background:hsla(0 0% 100% / .06)}.ip-hint{margin-top:12px;color:hsl(var(--muted-foreground));font-weight:650;line-height:1.6;font-size:13px}.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}.typewriter.typewriter-cursor::after{content:"▍";display:inline-block;margin-left:2px;animation:tw-blink .95s steps(1) infinite;opacity:.9}@keyframes tw-blink{0%,49%{opacity:0}50%,100%{opacity:.9}}@media (prefers-reduced-motion:reduce){.typewriter.typewriter-cursor::after{animation:none}}