:root{--bg: #f4fbfb;--surface: #ffffff;--surface-muted: #eef6f6;--text: #0e2a2b;--muted: #4c6e73;--primary: #00a8a8;--primary-strong: #008c8c;--accent: #31d0c6;--accent-soft: #d9f7f4;--border: #d7eeef;--shadow: 0 10px 30px rgba(0, 84, 84, .08);--hero-grad: radial-gradient(circle at 20% 20%, rgba(49, 208, 198, .18), transparent 55%), radial-gradient(circle at 90% 10%, rgba(0, 168, 168, .2), transparent 40%), linear-gradient(120deg, #f4fbfb 0%, #eef9f9 50%, #e9fbf8 100%)}:root[data-theme=dark]{--bg: #071a1b;--surface: #0f2f31;--surface-muted: #123436;--text: #f0fffd;--muted: #a8d1d0;--primary: #2ee5d7;--primary-strong: #13c3b7;--accent: #7cf4ea;--accent-soft: #103a3a;--border: #1b4b4f;--shadow: 0 14px 28px rgba(0, 0, 0, .4);--hero-grad: radial-gradient(circle at 20% 20%, rgba(49, 208, 198, .12), transparent 60%), radial-gradient(circle at 90% 10%, rgba(0, 168, 168, .18), transparent 50%), linear-gradient(120deg, #071a1b 0%, #0b2224 55%, #0f2f31 100%)}*,*:before,*:after{box-sizing:border-box}:root{color-scheme:light dark;font-size:16px}html,body{margin:0;padding:0}body{font-family:Roboto,Segoe UI,Tahoma,Verdana,sans-serif;line-height:1.65;background:var(--bg);color:var(--text);min-height:100vh}img,svg{max-width:100%;display:block}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}.container{width:min(1400px,92vw);margin:0 auto}.skip-link{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}.skip-link:focus{position:static;width:auto;height:auto;padding:.5rem .75rem;background:var(--surface);border:2px solid var(--primary);border-radius:8px}main{display:block}.section{padding:3.5rem 0}.section-title{font-size:clamp(1.4rem,2vw,2rem);margin:0 0 1rem}.kicker{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:.75rem}.surface{background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow)}.rounded{border-radius:18px}.text-muted{color:var(--muted)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}:root{--container-width: 1200px}.header{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--surface) 92%,transparent);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1.4rem;padding:.85rem 0}.brand{display:flex;align-items:center;gap:.7rem;font-weight:700;font-size:1.2rem}.brand-logo{height:36px;width:auto;display:block;border-radius:8px}.nav,.nav-links{display:flex;gap:2.4rem;flex-wrap:wrap;align-items:center;justify-content:center}.nav a,.nav-links a,.nav-links .nav-link-btn{padding:.5rem 1.1rem;border-radius:999px;color:var(--muted);font-weight:600;white-space:nowrap;border:none;background:none;cursor:pointer;font:inherit}.nav a:hover,.nav a:focus,.nav-links a:hover,.nav-links a:focus,.nav-links .nav-link-btn:hover,.nav-links .nav-link-btn:focus{background:var(--border);color:var(--text);text-decoration:none}.theme-toggle{position:fixed;right:16px;bottom:16px;z-index:100;border:1px solid var(--border);background:var(--surface);color:var(--text);padding:.45rem .9rem;border-radius:999px;font-weight:600;display:inline-flex;align-items:center;gap:.4rem;cursor:pointer;box-shadow:0 12px 26px #0000002e}.theme-toggle .toggle-icon{width:26px;height:26px;display:grid;place-items:center;border-radius:999px;background:var(--accent-soft);font-size:.9rem}.theme-toggle .toggle-icon svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.theme-toggle:hover{transform:translateY(-1px);box-shadow:0 8px 18px #0000001f}.theme-toggle:active{transform:translateY(0)}.back-to-top{position:fixed;left:16px;bottom:16px;z-index:100;width:44px;height:44px;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:1.1rem;font-weight:700;display:inline-grid;place-items:center;cursor:pointer;box-shadow:0 12px 26px #0000002e;opacity:0;transform:translateY(10px);pointer-events:none;transition:opacity .2s ease,transform .2s ease,border-color .2s ease}.back-to-top.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}.back-to-top:hover{border-color:color-mix(in srgb,var(--primary) 45%,var(--border))}.global-loading-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1200;display:grid;place-items:center;background:color-mix(in srgb,var(--surface) 70%,transparent);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.global-loading-overlay[hidden]{display:none!important}.global-loading-card{display:grid;gap:.55rem;min-width:220px;max-width:86vw;padding:1rem 1.2rem;text-align:center;border-radius:14px;border:1px solid var(--border);background:var(--surface);box-shadow:0 16px 34px #0003}.global-spinner{width:20px;height:20px;margin:0 auto;border-radius:50%;border:2px solid var(--border);border-top-color:var(--primary);animation:wu-spin .9s linear infinite}@keyframes wu-spin{to{transform:rotate(360deg)}}h1,h2,h3{font-weight:700;line-height:1.2;margin:0 0 .6rem}h1{font-size:clamp(2.4rem,4vw,3.4rem)}h2{font-size:clamp(1.6rem,2.4vw,2.3rem)}h3{font-size:1.2rem}.section-head{max-width:700px;margin:0 auto 2.2rem;text-align:center}.section-head p{margin:0;color:var(--muted)}.section.accent{background:color-mix(in srgb,var(--accent-soft) 70%,transparent)}.hero{background:var(--hero-grad);padding:4.5rem 0 3rem;position:relative;overflow:hidden}.hero-inner{max-width:var(--container-width);margin:0 auto;display:grid;gap:2.5rem;grid-template-columns:minmax(280px,1.1fr) minmax(240px,.9fr);align-items:center}.hero-copy{max-width:60ch}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;color:var(--primary);margin:0 0 .6rem;font-weight:700}.hero-copy .lead{font-size:1.1rem;color:var(--muted);margin:0 0 1.4rem}.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin:1.4rem 0 1.2rem}.hero-badges{display:flex;flex-wrap:wrap;gap:.6rem}.hero-art{position:relative;min-height:320px;display:grid;place-items:center}.hero-highlights{position:relative;z-index:5;background:var(--surface);border-radius:20px;padding:1.8rem;box-shadow:0 8px 32px #0000001f;border:1px solid var(--border);display:flex;flex-direction:column;gap:1.2rem;width:100%;max-width:280px}.highlight-item{display:flex;align-items:center;gap:1rem}.highlight-icon{font-size:1.8rem;flex-shrink:0;width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--primary) 12%,transparent);border-radius:12px}.highlight-text{font-weight:600;font-size:.95rem;color:var(--text)}.bubble{position:absolute;border-radius:50%;background:radial-gradient(circle at 30% 30%,#31d0c6e6,#0bbbcf73);opacity:.35;filter:blur(.4px)}.b1{width:140px;height:140px;top:-10px;right:10px}.b2{width:90px;height:90px;bottom:30px;left:10px}.b3{width:58px;height:58px;bottom:0;right:80px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.2rem;border-radius:999px;border:1px solid var(--primary);font-weight:700;cursor:pointer;min-width:170px}.btn.primary{background:#0e9a9d;color:#e2f7f1}[data-theme=dark] .btn.primary{color:#fff}.btn.ghost{background:transparent;color:var(--primary)}.btn:hover{filter:brightness(.98);text-decoration:none}.btn:disabled,.btn[aria-disabled=true]{background:color-mix(in srgb,var(--surface-muted) 78%,var(--surface));color:color-mix(in srgb,var(--muted) 88%,var(--text));border-color:color-mix(in srgb,var(--border) 82%,transparent);box-shadow:none;cursor:not-allowed;pointer-events:none;filter:none}.field-control,select,input[type=text],input[type=search],input[type=email],input[type=url],input[type=tel],input[type=number],input[type=password],textarea{width:100%;border:1px solid var(--border);border-radius:12px;padding:.6rem .8rem;background:var(--surface);color:var(--text)}.field-control::placeholder,input[type=text]::placeholder,input[type=search]::placeholder,input[type=email]::placeholder,input[type=url]::placeholder,input[type=tel]::placeholder,input[type=number]::placeholder,input[type=password]::placeholder,textarea::placeholder{color:color-mix(in srgb,var(--muted) 82%,var(--surface))}.field-control:focus-visible,select:focus-visible,input[type=text]:focus-visible,input[type=search]:focus-visible,input[type=email]:focus-visible,input[type=url]:focus-visible,input[type=tel]:focus-visible,input[type=number]:focus-visible,input[type=password]:focus-visible,textarea:focus-visible{outline:none;border-color:color-mix(in srgb,var(--primary) 55%,var(--border));box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 20%,transparent)}.field-control:disabled,select:disabled,input[type=text]:disabled,input[type=search]:disabled,input[type=email]:disabled,input[type=url]:disabled,input[type=tel]:disabled,input[type=number]:disabled,input[type=password]:disabled,textarea:disabled{background:color-mix(in srgb,var(--surface-muted) 70%,var(--surface));color:var(--muted);border-color:color-mix(in srgb,var(--border) 70%,transparent);cursor:not-allowed}.text-link{color:var(--primary);font-weight:700;margin-top:auto}.text-link:hover{text-decoration:underline}.grid{display:grid;gap:1.2rem}.grid.cards{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.grid.features{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.card,.feature{padding:1.35rem;border-radius:18px;border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);display:flex;flex-direction:column;gap:.4rem;min-height:210px;transition:transform .15s ease,box-shadow .15s ease}.centered-card{text-align:center;max-width:72ch;margin:0 auto;background:color-mix(in srgb,var(--accent-soft) 45%,var(--surface));border-color:color-mix(in srgb,var(--border) 70%,var(--accent))}.centered-card ul{list-style:none;padding:0;margin:.8rem auto;display:grid;gap:.5rem;max-width:40ch}.centered-card li:before{content:"•";color:var(--primary);margin-right:.4rem}.card.outline{box-shadow:none;background:var(--surface)}.card:hover,.feature:hover{transform:translateY(-2px);box-shadow:0 12px 24px #0000001f}.card-row{padding:.65rem 0;border-bottom:1px dashed var(--border);font-weight:600}.card-row:last-child{border-bottom:none}.badge{display:inline-flex;align-items:center;gap:.35rem;background:var(--accent-soft);color:var(--text);padding:.35rem .75rem;border-radius:999px;font-size:.78rem;font-weight:600}.card-icon{font-size:2.2rem;margin-bottom:.4rem}.feature-icon{font-size:3.2rem;margin-bottom:.8rem;line-height:1}.features-section{background:color-mix(in srgb,var(--primary) 8%,var(--surface));border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.feature{text-align:center;min-height:240px}.feature h3{font-size:1.1rem;margin-top:.4rem}.feature p{margin:0;font-size:.95rem}.ad-section{padding-top:2.5rem}body:not([data-ads=true]) .ad-slot,body:not([data-ads=true]) .ad-label{display:none}.ad-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-bottom:.6rem}.ad-slot{min-height:90px;border:1px dashed var(--border);border-radius:14px;display:grid;place-items:center;color:var(--muted);font-size:.85rem;background:var(--surface-muted)}.footer{border-top:1px solid var(--border);padding:2rem 0}.footer-links{display:flex;flex-wrap:wrap;gap:1.6rem;margin-top:.4rem;justify-content:center}.footer-links a{padding:.2rem .35rem}.site-footer{border-top:1px solid var(--border);padding:2rem 1.2rem;display:flex;flex-direction:column;align-items:center;text-align:center;gap:.6rem}.footer .brand{gap:.6rem}@media (max-width: 900px){.hero-inner{grid-template-columns:1fr}.hero-art{min-height:300px}.hero-highlights{max-width:100%}}@media (max-width: 720px){.header-inner{display:grid;grid-template-columns:1fr;grid-template-areas:"brand" "nav";align-items:center;gap:.6rem .8rem;padding:.6rem 0}.brand{grid-area:brand}.theme-toggle{right:12px;bottom:12px;max-width:calc(100vw - 24px)}.back-to-top{left:12px;bottom:12px;width:40px;height:40px}.nav{grid-area:nav;width:100%;justify-content:flex-start;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;scrollbar-width:none}.nav::-webkit-scrollbar{display:none}.nav-links{gap:.5rem;justify-content:flex-start;flex-wrap:nowrap;width:max-content;min-width:100%}.nav-links a{padding:.32rem .58rem;font-size:.88rem}.btn{width:100%}.brand-logo{height:30px}.brand .badge[data-site-tagline]{display:none}}@media (max-width: 420px){.brand{font-size:1.05rem}.nav-links{gap:.38rem}.nav-links a{padding:.28rem .48rem;font-size:.82rem}}:root{color-scheme:light dark}#root{min-height:100vh}.legacy-shell{min-height:100vh;margin:0}.legacy-frame{width:100%;min-height:100vh;border:0;display:block}.theme-toggle{z-index:20}.centered-card{max-width:920px;margin:0 auto}code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:.9em;padding:.15rem .35rem;border-radius:.3rem;background:color-mix(in oklab,var(--surface) 72%,var(--text) 4%)}