:root{color-scheme:light;font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--bg: #f6f7f8;--surface: #ffffff;--surface-2: #eef3f5;--line: #d6dde5;--line-strong: #b8c4cf;--text: #17191d;--text-2: #596270;--text-3: #8993a1;--green: #14795b;--green-bg: #e4f5ee;--amber: #a76217;--amber-bg: #fff2d8;--red: #b3424b;--red-bg: #fae8eb;--blue: #2866c7;--blue-bg: #e8f0ff;--page-gutter: 32px;--radius: 8px}*{box-sizing:border-box}html{min-width:320px;background:var(--bg)}body{margin:0;color:var(--text);background:var(--bg)}body,button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.72}a{color:inherit;text-decoration:none}.app-shell{display:grid;width:min(1440px,calc(100vw - var(--page-gutter)));height:100dvh;margin:0 auto;padding:64px 0 34px;grid-template-rows:minmax(0,1fr);overflow:hidden}.topbar{position:fixed;z-index:20;top:0;left:50%;width:min(1440px,calc(100vw - var(--page-gutter)));transform:translate(-50%);display:flex;height:56px;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 94%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.brand,.top-actions,.tool-button,.icon-button{display:inline-flex;align-items:center}.brand{gap:10px}.brand-mark{display:grid;width:36px;height:36px;place-items:center;border-radius:9px;color:#fff;background:#15181d;font-weight:900}.brand-copy{display:grid;gap:1px}.brand-name{font-size:1.05rem;font-weight:850;letter-spacing:0}.brand-sub{color:var(--text-3);font-size:.74rem;font-weight:700}.top-actions{gap:8px}.tool-button,.icon-button{justify-content:center;min-height:36px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--text);font-weight:800}.tool-button{gap:6px;padding:0 12px}.tool-button.primary{border-color:#155f49;background:var(--green);color:#fff}.icon-button{width:36px;padding:0}.workspace{display:grid;grid-template-columns:minmax(360px,.88fr) minmax(480px,1.12fr);gap:14px;min-height:0}.input-panel,.result-panel{min-height:0;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.input-panel{display:grid;grid-template-rows:auto auto auto auto minmax(0,1fr);overflow:hidden}.result-panel{display:grid;align-content:start;gap:12px;overflow-y:auto;overscroll-behavior:contain;padding:12px}.result-panel::-webkit-scrollbar{width:12px}.result-panel::-webkit-scrollbar-track{background:#edf1f4}.result-panel::-webkit-scrollbar-thumb{border:3px solid #edf1f4;border-radius:999px;background:#aeb9c8}.panel-head,.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.panel-head{min-height:42px;padding:0 14px;border-bottom:1px solid var(--line);background:var(--surface-2)}.panel-title,.section-head span,.section-head a{display:inline-flex;align-items:center;gap:6px}.panel-title{font-weight:850}.panel-count,.section-head small,.section-head a{color:var(--text-3);font-size:.78rem;font-weight:800}.url-form{display:grid;grid-template-columns:minmax(0,1fr) 118px;gap:10px;padding:14px;border-bottom:1px solid var(--line)}.url-field{display:grid;gap:6px}.url-field span{color:var(--text-2);font-size:.78rem;font-weight:800}.url-field input{min-width:0;width:100%;height:42px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius);color:var(--text);background:#fff;font-size:.95rem;font-weight:700}.url-field input:focus{border-color:var(--green);outline:3px solid color-mix(in srgb,var(--green) 16%,transparent)}.inspect-button{display:inline-flex;align-self:end;justify-content:center;align-items:center;gap:6px;height:42px;border:1px solid #155f49;border-radius:var(--radius);color:#fff;background:var(--green);font-weight:850}.quick-row{display:flex;flex-wrap:wrap;gap:8px;padding:12px 14px;border-bottom:1px solid var(--line)}.quick-row button{min-height:32px;padding:0 10px;border:1px solid var(--line);border-radius:7px;color:var(--text-2);background:#fff;font-size:.82rem;font-weight:800}.message-card,.empty-card,.status-card{margin:14px;border-radius:var(--radius)}.message-card,.empty-card{display:flex;align-items:center;gap:8px;padding:12px;border:1px solid var(--line);color:var(--text-2);background:#fff;font-weight:750}.message-card.is-error{border-color:#e4adb4;color:var(--red);background:var(--red-bg)}.status-card{display:grid;grid-template-columns:42px minmax(0,1fr);gap:10px;align-items:center;padding:14px;border:1px solid color-mix(in srgb,var(--green) 34%,var(--line));background:var(--green-bg)}.status-card[data-state=bad]{border-color:#e4adb4;background:var(--red-bg)}.status-icon{display:grid;width:42px;height:42px;place-items:center;border-radius:999px;color:var(--green);background:#fff}.status-card[data-state=bad] .status-icon{color:var(--red)}.status-card strong,.status-card small{display:block}.status-card strong{font-size:1.2rem;font-weight:900}.status-card small{overflow:hidden;color:var(--text-2);font-size:.78rem;font-weight:700;text-overflow:ellipsis;white-space:nowrap}.check-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(156px,1fr));gap:8px;min-height:0;overflow-y:auto;padding:0 14px 14px}.check-grid::-webkit-scrollbar{width:10px}.check-grid::-webkit-scrollbar-track{background:#edf1f4}.check-grid::-webkit-scrollbar-thumb{border:3px solid #edf1f4;border-radius:999px;background:#aeb9c8}.check-pill{display:grid;grid-template-columns:auto minmax(0,1fr);gap:2px 6px;align-items:center;min-height:58px;padding:9px 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strong{color:var(--text);font-size:1.08rem}.placeholder-card span{max-width:360px;line-height:1.7}.statusbar{position:fixed;z-index:20;bottom:0;left:50%;width:min(1440px,calc(100vw - var(--page-gutter)));min-height:34px;transform:translate(-50%);display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);background:color-mix(in srgb,var(--bg) 94%,transparent);color:var(--text-3);font-size:.76rem;font-weight:750;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.feedback{color:var(--green)}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:980px){:root{--page-gutter: 24px}.app-shell{height:auto;min-height:100dvh;overflow:visible}.workspace,.info-grid{grid-template-columns:1fr}.result-panel{overflow:visible}}@media(max-width:640px){:root{--page-gutter: 20px}.topbar{height:auto;min-height:56px;padding:8px 0;align-items:flex-start}.top-actions{align-items:flex-end;flex-direction:column}.tool-button{min-height:32px;padding:0 9px;font-size:.78rem}.icon-button{display:none}.app-shell{padding-top:110px}.url-form{grid-template-columns:1fr}.inspect-button{width:100%}.hero-card{grid-template-columns:1fr}.score-box{grid-template-columns:repeat(3,1fr)}.share-preview{grid-template-columns:1fr}.share-image{min-height:168px}.info-card dl div,.link-list a{grid-template-columns:1fr;gap:0}.statusbar{align-items:flex-start;flex-direction:column;justify-content:center;padding:5px 0}}