:root{color-scheme:dark;--bg: #090b0d;--panel: rgba(17, 19, 22, .78);--panel-strong: rgba(20, 23, 27, .96);--line: rgba(255, 255, 255, .115);--line-strong: rgba(255, 255, 255, .2);--ink: #f5f6f2;--muted: #8f9894;--muted-strong: #c6cec9;--emerald: #31e29b;--blue: #72a7ff;--amber: #e6b65f;--violet: #bb8cff;--teal: #55d7d5;font-family:Inter,ui-sans-serif,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html,body,#root{width:100%;min-height:100%;margin:0}body{color:var(--ink);background:linear-gradient(115deg,rgba(49,226,155,.09),transparent 34%),linear-gradient(250deg,rgba(114,167,255,.1),transparent 42%),#090b0d}button,a{font:inherit}a{color:inherit}.portal-shell{position:relative;width:100%;min-height:100vh;overflow:hidden;padding:14px}.portal-shell:before{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;content:"";pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.032) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.032) 1px,transparent 1px);background-size:32px 32px;-webkit-mask-image:linear-gradient(to bottom,#000 0%,rgba(0,0,0,.82) 62%,transparent 100%);mask-image:linear-gradient(to bottom,#000 0%,rgba(0,0,0,.82) 62%,transparent 100%)}.portal-topbar,.hero,.tool-grid,.portal-footer{position:relative;z-index:1;width:min(1120px,calc(100vw - 28px));margin-inline:auto}.portal-topbar{height:58px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--panel);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:0 18px 56px #00000057}.brand,.topbar-status,.topbar-status span,.eyebrow,.tool-card{display:flex;align-items:center}.brand{gap:11px;min-width:0}.brand-mark{width:36px;height:36px;display:grid;place-items:center;color:#04110c;border:1px solid rgba(255,255,255,.22);border-radius:6px;background:var(--emerald)}.brand strong,.brand small{display:block}.brand strong{font-size:16px;line-height:1.1;letter-spacing:0}.brand small{margin-top:3px;color:var(--muted);font-size:12px}.topbar-status{gap:8px}.topbar-status span{height:32px;gap:6px;padding:0 10px;color:var(--muted-strong);border:1px solid var(--line);border-radius:6px;background:#ffffff0e;font-size:12px;white-space:nowrap}.hero{min-height:330px;display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:24px;align-items:end;padding:74px 0 34px}.hero-copy{max-width:720px}.eyebrow{width:fit-content;gap:7px;padding:8px 10px;color:var(--emerald);border:1px solid rgba(49,226,155,.28);border-radius:999px;background:#31e29b14;font-size:12px}.hero h1{margin:18px 0 14px;font-size:clamp(42px,7vw,92px);line-height:.95;letter-spacing:0}.hero p{max-width:670px;margin:0;color:var(--muted-strong);font-size:16px;line-height:1.75}.hero-panel{min-height:190px;display:grid;align-content:center;gap:8px;padding:22px;border:1px solid var(--line);border-radius:8px;background:#111316b8;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:0 22px 64px #0000005c}.hero-panel span,.hero-panel small{color:var(--muted);font-size:12px}.hero-panel strong{font-size:78px;line-height:.9;color:var(--emerald)}.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding-bottom:46px}.tool-card{position:relative;min-height:178px;gap:16px;padding:18px;overflow:hidden;text-decoration:none;border:1px solid var(--line);border-radius:8px;background:#121518f0;box-shadow:0 22px 64px #0000006b;transition:transform .18s ease,border-color .18s ease,background .18s ease}.tool-card:hover{transform:translateY(-2px);border-color:#31e29b61;background:#171b1ff5}.tool-card.blue:hover{border-color:#72a7ff6b}.tool-card.amber:hover{border-color:#e6b65f70}.tool-card.violet:hover{border-color:#bb8cff70}.tool-card.teal:hover{border-color:#55d7d570}.tool-icon{width:54px;height:54px;display:grid;flex:0 0 auto;place-items:center;color:var(--emerald);border:1px solid rgba(49,226,155,.26);border-radius:7px;background:#31e29b14}.tool-card.blue .tool-icon{color:var(--blue);border-color:#72a7ff42;background:#72a7ff14}.tool-card.amber .tool-icon{color:var(--amber);border-color:#e6b65f47;background:#e6b65f14}.tool-card.violet .tool-icon{color:var(--violet);border-color:#bb8cff47;background:#bb8cff14}.tool-card.teal .tool-icon{color:var(--teal);border-color:#55d7d547;background:#55d7d514}.tool-content{min-width:0;display:grid;gap:7px}.tool-content small{color:var(--muted);font-size:12px}.tool-content strong{font-size:22px;line-height:1.1}.tool-content span{color:var(--muted-strong);font-size:13px;line-height:1.65}.tool-meta{position:absolute;top:14px;right:14px;padding:4px 7px;color:var(--muted);border:1px solid var(--line);border-radius:999px;background:#ffffff0b;font-size:10px;line-height:1}.tool-open{position:absolute;right:16px;bottom:16px;width:34px;height:34px;display:grid;place-items:center;color:#04110c;border-radius:6px;background:var(--emerald)}.tool-card.blue .tool-open{background:var(--blue)}.tool-card.amber .tool-open{background:var(--amber)}.tool-card.violet .tool-open{background:var(--violet)}.tool-card.teal .tool-open{background:var(--teal)}.portal-footer{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 0 28px;color:var(--muted);font-size:12px}.portal-footer a{color:var(--muted-strong);text-decoration:none}.portal-footer a:hover{color:var(--emerald)}@media (max-width: 860px){.portal-topbar,.hero,.portal-footer{width:min(100%,calc(100vw - 20px))}.portal-shell{padding:10px}.topbar-status{display:none}.hero{min-height:auto;grid-template-columns:1fr;padding-top:46px}.hero-panel{min-height:120px}.hero-panel strong{font-size:54px}.tool-grid{width:min(100%,calc(100vw - 20px));grid-template-columns:1fr}.portal-footer{align-items:flex-start;flex-direction:column}}