:root{color-scheme:light;--ink:#1a3137;--ink-strong:#102b34;--muted:#6e7e7d;--canvas:#f6f7f3;--surface:#fff;--line:#e3e9e4;--nav:#112b35;--nav-soft:#1c3942;--emerald:#19735a;--emerald-dark:#135943;--mint:#8ce2c5;--mint-pale:#e9f5ef;--blue:#406582;--radius:18px;--shadow:0 5px 18px rgba(20,48,42,.025);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{min-width:320px;scroll-behavior:smooth}body{margin:0;background:var(--canvas);color:var(--ink);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button:disabled{cursor:not-allowed;opacity:.5}img,svg{display:block}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #4d9c86;outline-offset:4px}button{color:inherit}button .icon{pointer-events:none}.icon{width:21px;height:21px;flex-shrink:0}.skip-link{position:fixed;top:10px;left:270px;z-index:30;padding:9px 16px;background:#fff;border-radius:8px;transform:translateY(-70px);box-shadow:0 3px 20px #0002}.skip-link:focus{transform:translateY(0)}[hidden]{display:none!important}.app-shell{min-height:100vh;display:grid;grid-template-columns:226px minmax(0,1fr)}.site-sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;padding:32px 19px 22px;background:var(--nav);color:#d7e1e2;overflow-y:auto;z-index:20}.site-brand{display:flex;align-items:center;gap:11px;padding:0 8px;color:#fff;width:fit-content}.site-brand img{flex-shrink:0}.site-brand strong{display:block;font-size:21px;line-height:1.2;letter-spacing:-.4px;font-weight:650}.site-brand small{display:block;margin-top:4px;font-size:11px;letter-spacing:2px;color:#a7bfc3}.sidebar-divider{height:1px;background:#ffffff12;margin:29px 10px 23px}.site-nav{display:flex;flex-direction:column;gap:7px}.nav-link{display:flex;align-items:center;gap:11px;padding:12px 14px;border-radius:9px;font-size:13px;color:#a9bec3;transition:background .18s,color .18s}.nav-link>.icon{width:19px;height:19px;opacity:.82}.nav-link:hover{background:#ffffff08;color:#f5faf7}.nav-link.is-active{background:#24483f;color:#b9f4d9;box-shadow:inset 0 0 0 1px #8ce2c510}.nav-link.is-active>.icon{opacity:1}.nav-active-dot{height:5px;width:5px;border-radius:100%;background:var(--mint);margin-left:auto}.nav-section-label{margin:22px 14px 7px;color:#69878f;font-size:10px;letter-spacing:1.3px}.sidebar-note{margin:auto 10px 0;padding-top:56px;color:#8eabb2;font-size:11px}.sidebar-note-icon{display:block;margin-bottom:11px;color:#a0d4bd}.sidebar-note-icon>.icon{height:22px;width:22px}.sidebar-note strong{font-size:12px;font-weight:500;color:#b7cdd0;letter-spacing:.2px}.sidebar-note p{margin:8px 0 0;line-height:1.9}.sidebar-footer{display:flex;align-items:center;gap:7px;margin:27px 10px 0;padding-top:17px;border-top:1px solid #ffffff10;color:#6e9098;font-size:10px}.status-dot{display:inline-block;width:6px;height:6px;flex-shrink:0;background:#55a489;border-radius:50%}.workspace{min-width:0;max-width:1670px;width:100%;margin:0 auto;padding:0 44px}.workspace-topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:79px;border-bottom:1px solid var(--line)}.topbar-start{display:flex;align-items:center;gap:12px}.breadcrumb{display:flex;align-items:center;gap:12px;color:#8b9895;font-size:11px}.breadcrumb strong{font-weight:500;color:#536762}.breadcrumb>a:hover{color:var(--emerald)}.local-badge{display:flex;align-items:center;gap:7px;font-size:10px;color:#607d70;white-space:nowrap}.mobile-nav-toggle{display:none;border:0;border-radius:7px;background:transparent;padding:5px;color:var(--ink)}.mobile-nav-toggle>.icon,.mobile-nav-toggle .icon{width:22px;height:22px}.nav-scrim{display:none}.home-intro{position:relative;display:flex;align-items:center;justify-content:space-between;min-height:231px;padding:33px 0 30px;gap:24px}.intro-copy{position:relative;z-index:1}.eyebrow{margin:0 0 13px;font-size:9px;line-height:1.5;letter-spacing:1.65px;font-weight:600;color:#6b8578}.eyebrow>span{display:inline-block;vertical-align:middle;width:17px;height:2px;margin-right:7px;background:#78a38e}.home-intro h1{font-size:34px;line-height:1.4;letter-spacing:-1.25px;font-weight:650;margin:0 0 12px;color:var(--ink-strong)}.home-intro h1>span{color:var(--emerald)}.lead{color:#788680;line-height:1.9;font-size:12px;letter-spacing:.1px;margin:0}.intro-graphic{position:relative;align-self:stretch;min-height:163px;flex:0 0 260px;margin-right:21px;color:var(--emerald)}.graphic-grid{position:absolute;inset:9px -5px 13px 5px;background-image:linear-gradient(#3d7b5e08 1px,transparent 1px),linear-gradient(90deg,#3d7b5e08 1px,transparent 1px);background-size:22px 22px;mask-image:radial-gradient(ellipse,#000 30%,transparent 72%)}.graphic-tile{position:absolute;width:83px;height:85px;display:grid;place-items:center;border-radius:21px;box-shadow:0 7px 16px #1d4a3810}.graphic-tile>svg{height:38px;width:38px}.tile-search{left:41px;top:21px;background:#e6f1e8;border:1px solid #d5e7da;transform:rotate(-11deg);color:#447b5b}.tile-chart{right:29px;top:62px;background:#fff;border:1px solid #e5eae3;transform:rotate(11deg);color:#7fa18b}.graphic-dot{position:absolute;border-radius:50%;width:7px;height:7px;background:#b5cbb6}.dot-one{top:26px;right:47px}.dot-two{bottom:40px;left:16px;width:4px;height:4px}.graphic-caption{position:absolute;bottom:1px;right:30px;font-size:6.5px;letter-spacing:1.6px;color:#a3b3a7}.tools-section{margin-top:0}.section-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:19px}.section-heading{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.section-heading h2{margin:0;font-size:15px;font-weight:650;letter-spacing:-.25px;color:var(--ink-strong)}.tool-count{font-size:9px;color:#96a09a;background:#eaf0e9;border:1px solid #e2e9df;padding:3px 7px;border-radius:4px;white-space:nowrap}.tool-search{display:flex;align-items:center;gap:8px;flex:0 1 251px;padding:7px 10px;background:#fff;border:1px solid var(--line);border-radius:7px;color:#8c9a91;transition:border-color .18s}.tool-search:focus-within{border-color:#71a18a;box-shadow:0 0 0 3px #72a08a14}.tool-search .icon{height:15px;width:15px}.tool-search input{width:100%;min-width:0;padding:1px 0;border:0;outline:none;background:transparent;font-size:10px;color:var(--ink)}.tool-search input::placeholder{color:#a1aba3}.tool-search input:focus-visible{outline:none}.tool-search kbd{font:8px inherit;font-size:8px;border:1px solid #edf0ea;background:#f8f9f5;border-radius:3px;padding:0 4px;white-space:nowrap;color:#adb5ad}.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.tool-card{--card-color:var(--emerald);--card-pale:#edf6ef;--card-line:#ddece1;position:relative;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);padding:23px 25px 0;overflow:hidden;transition:border-color .18s,box-shadow .18s,transform .18s}.tool-card:hover{border-color:#bacdc1;box-shadow:0 10px 24px #14302507;transform:translateY(-2px)}.tool-card.accent-blue{--card-color:#4c6e8b;--card-pale:#eef3f8;--card-line:#e1e8ee}.tool-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.tool-symbol{display:grid;place-items:center;background:var(--card-pale);border:1px solid var(--card-line);border-radius:12px;width:47px;height:47px;color:var(--card-color)}.tool-symbol>.icon{height:25px;width:25px}.tool-category{display:inline-block;font-size:9px;letter-spacing:.3px;color:#8a9b8d;padding:4px 8px;background:#f6f8f3;border-radius:5px}.accent-blue .tool-category{color:#8795a1;background:#f6f8fa}.tool-english{margin:0 0 3px;color:#9aa79c;font-size:7px;letter-spacing:1.5px;font-weight:600}.accent-blue .tool-english{color:#9aa6af}.tool-name h3{font-size:21px;letter-spacing:-.5px;font-weight:650;line-height:1.5;margin:0;color:var(--ink-strong)}.tool-description{margin:10px 0 15px;font-size:11px;line-height:1.85;color:#7e8a82;max-width:310px;min-height:41px}.tool-capabilities{list-style:none;padding:0;margin:0 0 17px;display:grid;gap:6px;color:#60746a;font-size:10px}.tool-capabilities li{display:flex;align-items:center;gap:8px}.tool-capabilities li>span{display:grid;place-items:center;width:13px;height:13px;background:var(--card-pale);color:var(--card-color);font-size:8px;border-radius:50%;font-weight:700}.tool-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:20px}.tool-tags>span{font-size:8px;padding:2px 7px;border:1px solid #e7ece6;border-radius:4px;color:#89978c;background:#fff}.tool-open{display:flex;align-items:center;justify-content:space-between;margin:0 -25px;padding:15px 25px;border-top:1px solid #edf1e9;background:#fbfcf9;color:var(--card-color);font-size:11px;font-weight:600;transition:background .18s}.accent-blue .tool-open{background:#fafcfd;border-top-color:#edf0f4}.tool-open:hover{background:var(--card-pale)}.tool-open .icon{height:17px;width:17px;transition:transform .18s}.tool-open:hover .icon{transform:translateX(3px)}.getting-started{display:grid;grid-template-columns:minmax(130px,.72fr) 1fr 1fr;align-items:center;gap:25px;padding:22px 26px;margin-top:24px;border:1px solid var(--line);background:#eef2eb80;border-radius:13px}.guide-heading{display:flex;align-items:center;gap:11px}.guide-heading>span{display:grid;place-items:center;width:34px;height:34px;border:1px solid #dce5d7;border-radius:9px;color:#7f9985;background:#f8faf5;flex-shrink:0}.guide-heading .icon{width:18px;height:18px}.guide-heading h2{margin:0;font-size:12px;font-weight:600;color:#627969}.guide-choice{border-left:1px solid #dfe6db;padding-left:24px}.guide-choice>strong{font-size:10px;font-weight:600;color:#67796b}.guide-choice p{margin:4px 0 0;font-size:9px;color:#94a08f;line-height:1.9}.guide-choice a{display:inline-block;color:#648572}.guide-choice a:hover{text-decoration:underline}.workspace-footer{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:22px 0 21px;color:#a6afa5;font-size:8px}.privacy-note{display:flex;align-items:center;gap:6px;color:#889b8a;font-size:9px;margin:0}.privacy-note .icon{height:13px;width:13px}.workspace-footer>span{font-size:8px;letter-spacing:.2px}.surface{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.empty-state{text-align:center;padding:40px 24px}.empty-state h3{margin:0 0 8px;font-size:17px}.empty-state p{color:var(--muted);font-size:12px;margin:0 0 20px}.noscript-note{padding:20px}.page-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:27px 0 24px}.page-heading h1{font-size:26px;letter-spacing:-.7px;line-height:1.4;margin:0 0 9px;font-weight:650;color:var(--ink-strong)}.page-heading .eyebrow{margin-bottom:8px}.page-heading .lead{max-width:640px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:37px;padding:8px 15px;font-size:11px;font-weight:500;line-height:1.4;border:1px solid transparent;border-radius:7px;background:#fff;transition:background .18s,border-color .18s;white-space:nowrap}.btn>.icon{height:16px;width:16px}.btn-primary{background:var(--emerald);color:#fff;border-color:var(--emerald)}.btn-primary:hover{background:var(--emerald-dark);border-color:var(--emerald-dark)}.btn-secondary{background:#fff;color:#486d5c;border-color:#d8e3d9}.btn-secondary:hover{background:#f0f6ef;border-color:#b6cbbb}.btn-quiet{background:transparent;color:#75877b}.btn-quiet:hover{background:#eaf0e7}.tool-page .workspace{padding-bottom:22px}.tool-page .surface{margin-bottom:20px}
@media(min-width:1500px){.workspace{padding:0 64px}.home-intro{min-height:260px}.tool-card{padding-top:27px}.tool-card-top{margin-bottom:22px}.tool-description{max-width:100%;min-height:22px}.tool-capabilities{gap:8px}.tool-open{padding-top:17px;padding-bottom:17px}.getting-started{margin-top:28px;padding:25px 27px}}
@media(max-width:1150px){.app-shell{grid-template-columns:205px minmax(0,1fr)}.site-sidebar{padding-right:14px;padding-left:14px}.workspace{padding:0 30px}.site-brand strong{font-size:19px}.site-brand img{width:39px;height:39px}.intro-graphic{flex-basis:210px;margin-right:0}.graphic-tile{width:73px;height:75px}.tile-search{left:25px}.tile-chart{right:13px}.home-intro h1{font-size:30px}.tool-card{padding:21px 21px 0}.tool-open{margin:0 -21px;padding-right:21px;padding-left:21px}.tool-description{min-height:41px}.getting-started{grid-template-columns:130px 1fr 1fr;gap:16px;padding:20px}.guide-choice{padding-left:16px}.section-heading{gap:8px}.section-heading h2{font-size:14px}.tool-search{flex-basis:215px}}
@media(max-width:920px){.app-shell{grid-template-columns:185px minmax(0,1fr)}.site-sidebar{padding:26px 11px 18px}.site-brand{gap:9px}.site-brand strong{font-size:17px}.site-brand small{font-size:9px;letter-spacing:1.5px}.site-brand img{width:35px;height:35px}.nav-link{font-size:12px;gap:9px;padding:11px 12px}.workspace{padding:0 25px}.home-intro{min-height:215px;padding-top:29px;padding-bottom:25px}.home-intro h1{font-size:27px}.intro-graphic{flex-basis:150px;min-height:151px;margin-right:-5px}.graphic-tile{width:65px;height:67px;border-radius:17px}.graphic-tile>svg{height:31px;width:31px}.tile-search{left:0;top:22px}.tile-chart{right:0;top:72px}.graphic-caption{display:none}.dot-one{right:11px;top:18px}.dot-two{left:3px;bottom:10px}.tool-grid{gap:16px}.tool-card{padding:19px 18px 0;border-radius:14px}.tool-card-top{margin-bottom:15px}.tool-symbol{height:42px;width:42px;border-radius:10px}.tool-symbol>.icon{height:23px;width:23px}.tool-name h3{font-size:19px}.tool-description{font-size:10px;min-height:38px}.tool-capabilities{font-size:9px;gap:7px}.tool-tags{gap:4px}.tool-tags>span{font-size:7px;padding:2px 5px}.tool-open{margin:0 -18px;padding:13px 18px}.tool-category{font-size:8px}.section-toolbar{align-items:flex-start;gap:16px}.section-heading{gap:6px}.section-heading h2{font-size:13px}.tool-count{font-size:8px}.tool-search{flex-basis:185px}.tool-search kbd{display:none}.getting-started{grid-template-columns:1fr 1fr;gap:17px;padding:18px 20px}.guide-heading{grid-column:1/-1;gap:8px}.guide-heading>span{height:25px;width:25px;border-radius:7px}.guide-heading .icon{height:15px;width:15px}.guide-heading h2{font-size:11px}.guide-choice{border:0;padding:0}.workspace-footer{align-items:flex-start}.workspace-footer>span{max-width:138px;text-align:right;font-size:7px}.sidebar-note{margin-left:8px;margin-right:8px}.sidebar-note p{font-size:10px}}
@media(max-width:700px){.app-shell{display:block}.site-sidebar{position:fixed;inset:0 auto 0 0;width:238px;height:100dvh;transform:translateX(-100%);transition:transform .22s ease;box-shadow:20px 0 40px #102b3420;padding:29px 20px 22px}.site-brand{gap:11px}.site-brand strong{font-size:21px}.site-brand small{font-size:11px}.site-brand img{height:42px;width:42px}.site-nav{gap:7px}.nav-link{font-size:13px;padding:12px 14px}.nav-open .site-sidebar{transform:translateX(0)}.nav-open{overflow:hidden}.nav-scrim{display:block;position:fixed;z-index:19;inset:0;width:100%;height:100%;border:0;background:#102b3455;visibility:hidden;opacity:0;transition:opacity .22s ease,visibility .22s ease}.nav-open .nav-scrim{visibility:visible;opacity:1}.workspace{padding:0 23px}.workspace-topbar{min-height:66px}.mobile-nav-toggle{display:block}.breadcrumb{font-size:10px;gap:9px}.local-badge{font-size:8px;gap:5px}.local-badge .status-dot{height:5px;width:5px}.home-intro{min-height:216px;padding:31px 0 29px;gap:10px}.home-intro h1{font-size:28px;letter-spacing:-1px;margin-bottom:10px}.home-intro .eyebrow{font-size:7px;letter-spacing:1.2px;margin-bottom:11px}.home-intro .eyebrow>span{width:13px;margin-right:5px}.lead{font-size:11px}.intro-graphic{flex-basis:115px;min-height:151px;margin-right:-2px}.graphic-grid{inset:0 -10px 0 -10px}.graphic-tile{height:54px;width:53px;border-radius:14px}.graphic-tile>svg{height:28px;width:28px}.tile-search{left:0;top:22px}.tile-chart{right:0;top:73px}.dot-one{right:7px;top:12px;width:5px;height:5px}.dot-two{bottom:8px}.section-toolbar{flex-direction:column;gap:14px;margin-bottom:15px}.section-heading{width:100%;gap:10px}.section-heading h2{font-size:14px}.tool-count{margin-left:auto;font-size:8px}.tool-search{flex:0 0 auto;width:100%;padding:9px 11px}.tool-search input{font-size:11px}.tool-search kbd{display:block}.tool-grid{gap:15px}.tool-card{padding:19px 18px 0}.tool-name h3{font-size:19px}.tool-symbol{width:42px;height:42px}.tool-card-top{margin-bottom:16px}.tool-description{font-size:10px;line-height:1.85;min-height:56px;margin-top:9px;margin-bottom:13px}.tool-capabilities{font-size:9px;gap:7px;min-height:64px;margin-bottom:14px}.tool-tags{margin-bottom:17px;gap:4px}.tool-tags>span{font-size:7px}.tool-open{font-size:10px;padding-top:14px;padding-bottom:14px}.getting-started{margin-top:19px;gap:15px;padding:18px}.guide-choice>strong{font-size:10px}.guide-choice p{font-size:9px}.workspace-footer{padding-top:20px;padding-bottom:20px}.workspace-footer>span{display:none}.privacy-note{font-size:9px}.skip-link{left:18px}.page-heading{padding:24px 0 20px;gap:15px;flex-wrap:wrap}.page-heading h1{font-size:24px}.tool-page .workspace{padding-bottom:15px}.sidebar-note{font-size:11px}.sidebar-note p{font-size:11px}.sidebar-footer{font-size:10px}}
@media(max-width:460px){.workspace{padding:0 19px}.intro-graphic{flex-basis:90px;min-height:142px}.graphic-tile{width:49px;height:51px;border-radius:13px}.tile-search{left:-4px;top:21px}.tile-chart{right:-4px;top:73px}.graphic-tile>svg{height:27px;width:27px}.home-intro h1{font-size:25px;letter-spacing:-.9px}.home-intro .lead{font-size:10px}.home-intro .eyebrow{font-size:6.5px;letter-spacing:1.05px}.home-intro{min-height:208px}.tool-grid{grid-template-columns:1fr}.tool-card{padding:21px 22px 0}.tool-card-top{margin-bottom:16px}.tool-symbol{height:44px;width:44px}.tool-category{font-size:9px}.tool-name h3{font-size:21px}.tool-english{font-size:7px}.tool-description{font-size:11px;min-height:0;margin-top:9px;margin-bottom:14px;max-width:100%}.tool-capabilities{font-size:10px;gap:7px;min-height:0;margin-bottom:16px}.tool-tags>span{font-size:8px}.tool-tags{margin-bottom:19px;gap:6px}.tool-open{margin:0 -22px;padding:14px 22px;font-size:11px}.getting-started{grid-template-columns:1fr;gap:17px}.guide-heading{grid-column:auto}.guide-choice{padding-left:33px}.guide-choice>strong{font-size:11px}.guide-choice p{font-size:10px}.local-badge{font-size:7px}.breadcrumb{font-size:9px}.workspace-topbar{gap:8px}.topbar-start{gap:7px}}
.topbar-actions{display:flex;align-items:center;gap:15px}.session-logout{border:1px solid #dce5dc;border-radius:6px;background:#fff;padding:5px 10px;color:#718271;font-size:10px;line-height:1.4;white-space:nowrap}.session-logout:hover{background:#eef4eb;border-color:#bbcfbc;color:#486d5c}.session-notice{position:fixed;z-index:60;left:50%;bottom:24px;transform:translateX(-50%);width:max-content;max-width:calc(100vw - 32px);padding:12px 18px;background:#fffaf3;border:1px solid #e7d9bf;color:#866037;border-radius:10px;box-shadow:0 8px 30px #112b3518;font-size:12px;line-height:1.7}.session-logout:disabled{opacity:.65}@media(max-width:700px){.topbar-actions{gap:8px}.session-logout{padding:5px 7px;font-size:9px}}@media(max-width:460px){.topbar-actions{gap:6px}.topbar-actions .local-badge{font-size:7px}.session-logout{font-size:8px;padding:5px 6px}.session-notice{font-size:11px;bottom:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}.tool-card:hover{transform:none}}