/* finesse · register=product · A=slate+cyan · B=system-sans · C=compact-public-portal · D=feedback-only · E=quiet-instrument-panel · SOUL=6 SPECTACLE=2 DENSITY=4 */
:root{color-scheme:dark;--bg:#14171c;--side:#191d24;--panel:#23272f;--raised:#2b313b;--line:rgba(196,204,216,.16);--text:#f6f7f9;--muted:#c4ccd8;--subtle:#a4afbf;--accent:#67e8f9;--accent-bg:#203940;--accent-line:#3a6872;--secondary:#b9a2fa;--secondary-bg:#303044;--green:#8ae3b8;--green-bg:#213a31;--shadow:#0b102022;--primary-text:#14171c;font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
:root[data-theme="light"]{color-scheme:light;--bg:#eceff3;--side:#e5e9ee;--panel:#f6f7f9;--raised:#e5eaf0;--line:rgba(35,39,47,.17);--text:#14171c;--muted:#454e5e;--subtle:#566175;--accent:#0e6675;--accent-bg:#d7ebee;--accent-line:#8bbac2;--secondary:#6d4bc3;--secondary-bg:#ece6f7;--green:#146543;--green-bg:#e0eee7;--shadow:#23272f11;--primary-text:#f6f7f9}
*{box-sizing:border-box}html,body{margin:0;overflow-x:clip}html{scroll-padding-top:28px}body{background:var(--bg);color:var(--text);font-size:14px;line-height:1.65}a{color:inherit;text-decoration:none}a,button{touch-action:manipulation}a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:5px}button{font:inherit;cursor:pointer}svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}h1,h2,h3{min-width:0;overflow-wrap:anywhere}#theme-toggle[hidden]{display:none}.skip{position:absolute;top:-100px;left:20px;padding:10px 18px;z-index:50;background:var(--panel);border-radius:9px}.skip:focus{top:12px}.topbar{border-bottom:1px solid var(--line);background:var(--side)}.topbar-inner{max-width:1120px;margin:auto;min-height:88px;display:flex;align-items:center;justify-content:space-between;padding:12px 32px;gap:16px}.brand{display:flex;align-items:center;gap:11px;font-size:23px;line-height:1.25;font-weight:700;letter-spacing:-.6px}.brand img{object-fit:contain}.brand small{display:block;color:var(--subtle);font-size:10px;font-weight:450;letter-spacing:1px;margin-top:4px}.header-actions{display:flex;align-items:center;gap:20px}.nav-link{display:inline-flex;align-items:center;min-height:44px;white-space:nowrap;color:var(--muted);font-size:13px}.nav-link:hover{color:var(--accent)}#theme-toggle{min-height:44px;display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:9px;background:var(--panel);color:var(--muted);padding:8px 12px;white-space:nowrap}#theme-toggle svg{width:18px;height:18px}#theme-toggle:hover{background:var(--raised)}.shell{max-width:1120px;margin:auto;padding:0 32px}.intro{display:grid;grid-template-columns:minmax(0,1fr) 280px;align-items:center;gap:48px;padding:66px 0 62px}.intro-label{color:var(--accent);font-size:13px;font-weight:550;margin:0 0 16px}h1{font-size:42px;letter-spacing:-1.2px;line-height:1.3;font-weight:680;margin:0}h1 span{display:block;font-size:24px;color:var(--muted);letter-spacing:-.5px;font-weight:450;margin-top:12px}.intro-description{color:var(--subtle);font-size:15px;line-height:1.9;margin:22px 0 26px}.primary{display:inline-flex;align-items:center;gap:30px;min-height:44px;background:var(--accent);color:var(--primary-text);border:1px solid transparent;border-radius:9px;padding:10px 17px;font-size:13px;font-weight:600;white-space:nowrap}.primary:hover{border-color:var(--text)}.identity{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:0}.identity img{width:240px;height:240px;object-fit:contain}.identity span{color:var(--subtle);font-size:12px;letter-spacing:2px;margin-top:8px}.section-heading{margin-bottom:20px}h2{font-size:19px;line-height:1.4;margin:0;font-weight:620}.section-heading p{margin:6px 0 0;color:var(--subtle);font-size:13px}.spaces{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.space{display:block;min-width:0;border:1px solid var(--line);border-radius:16px;background:var(--panel);padding:24px;box-shadow:0 2px 5px var(--shadow);transition:border-color .16s,background-color .16s}.space:hover{border-color:var(--accent-line);background:var(--raised)}.space:active{border-color:var(--accent)}.space-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.icon-box{width:44px;height:44px;border-radius:12px;background:var(--accent-bg);color:var(--accent);display:grid;place-items:center}.code .icon-box{color:var(--secondary);background:var(--secondary-bg)}.study .icon-box{color:var(--green);background:var(--green-bg)}.badge{font-size:11px;white-space:nowrap;color:var(--subtle);padding:3px 8px;border:1px solid var(--line);border-radius:6px}h3{font-size:20px;font-weight:620;line-height:1.4;margin:23px 0 10px}.space p{font-size:13px;line-height:1.9;color:var(--muted);margin:0 0 26px}.space-footer{display:flex;align-items:center;justify-content:space-between;gap:8px;padding-top:16px;border-top:1px solid var(--line);color:var(--subtle);font-size:12px;white-space:nowrap}.arrow{font-size:22px;line-height:1;color:var(--accent)}.access-note{display:flex;align-items:center;gap:8px;color:var(--subtle);font-size:12px;margin:18px 0 0}.access-note svg{width:14px;height:14px;flex-shrink:0}footer{display:flex;align-items:center;gap:22px;flex-wrap:wrap;border-top:1px solid var(--line);padding:20px 0 calc(24px + env(safe-area-inset-bottom));margin-top:54px;font-size:11px;color:var(--subtle)}footer a{display:inline-flex;min-height:44px;align-items:center;white-space:nowrap}footer a:hover{color:var(--accent)}.footer-end{margin-left:auto}
@media(max-width:850px){.intro{grid-template-columns:minmax(0,1fr) 200px;gap:20px;padding:48px 0}.identity img{width:190px;height:190px}.spaces{gap:14px}.space{padding:18px}.space p{font-size:12px}}
@media(max-width:680px){.topbar-inner{min-height:76px;padding:12px 20px}.header-actions{gap:12px}.shell{padding:0 20px}.intro{grid-template-columns:minmax(0,1fr);padding:42px 0 38px}.identity{display:none}h1{font-size:34px}h1 span{font-size:21px}.intro-description{font-size:14px;margin:18px 0 22px}.spaces{grid-template-columns:minmax(0,1fr);gap:14px}.space{padding:22px}.space p{font-size:13px;margin-bottom:20px}h3{margin-top:16px}.access-note{align-items:flex-start;font-size:11px}.access-note svg{margin-top:3px}footer{margin-top:36px;gap:4px 20px}.footer-end{display:none}}
@media(max-width:360px){.topbar-inner,.shell{padding-left:16px;padding-right:16px}.nav-link{display:none}.brand{font-size:21px}h1{font-size:30px}h1 span{font-size:19px}.desktop-break{display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}