:root{--brand:#2f6bff;--brand-hover:#4b7fff;--brand-soft:#2f6bff12;--brand-line:#2f6bff42;--accent:#0aa89a;--bg-page:#fff;--bg-soft:#f7f8fa;--bg-tint:#f3f6ff;--border:#e8eaef;--border-strong:#d5dae2;--text-strong:#0b1018;--text-primary:#1c2431;--text-secondary:#545e6e;--text-tertiary:#8b95a3;--ink:#0d1220;--ink-deep:#080c15;--line-invert:#ffffff1f;--text-invert-soft:#ffffffb8;--text-invert-muted:#ffffff73;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--font-mono:"SF Mono", "JetBrains Mono", Consolas, "Courier New", monospace;--fs-display:clamp(2.25rem, 5vw, 3.75rem);--fs-h1:clamp(1.875rem, 4.2vw, 3rem);--fs-h2:clamp(1.5rem, 3.2vw, 2.375rem);--fs-h3:clamp(1.0625rem, 1.8vw, 1.3125rem);--fs-lead:clamp(.9375rem, 1.5vw, 1.125rem);--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--radius-pill:999px;--shadow-sm:0 1px 2px #0b10180a;--shadow-md:0 2px 8px #0b10180a, 0 14px 30px #0b10180f;--shadow-lg:0 6px 18px #0b10180d, 0 28px 56px #0b101817;--grid-texture:linear-gradient(#0b101809 1px, transparent 1px), linear-gradient(90deg, #0b101809 1px, transparent 1px);--container-max:1240px;--container-wide:1400px;--container-gutter:28px;--header-height:80px;--ease:cubic-bezier(.22, .61, .36, 1);--duration:.24s;--z-header:100;--z-drawer:200}@media (width<=1023px){:root{--container-gutter:24px}}@media (width<=767px){:root{--container-gutter:20px;--header-height:60px}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);color:var(--text-primary);background-color:var(--bg-page);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-size:16px;line-height:1.7}h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd{margin:0}h1,h2,h3,h4{color:var(--text-strong);letter-spacing:-.015em;text-wrap:balance;font-weight:600;line-height:1.22}ul,ol{margin:0;padding:0;list-style:none}a{color:inherit;transition:color var(--duration) var(--ease);text-decoration:none}img,svg,video{max-width:100%;display:block}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer;background:0 0;border:none;padding:0}:focus-visible{outline:2px solid var(--brand);outline-offset:2px}::selection{background:var(--brand);color:#fff}#app{min-height:100vh}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}.container{width:100%;max-width:var(--container-max);padding:0 var(--container-gutter);margin:0 auto}.container--wide{max-width:var(--container-wide)}.section{padding:104px 0}.section--soft{background:var(--bg-soft)}.section--tint{background:var(--bg-tint)}.eyebrow{letter-spacing:.18em;text-transform:uppercase;color:var(--brand);align-items:center;gap:10px;font-size:12px;font-weight:600;display:inline-flex}.eyebrow:before{content:"";background:currentColor;width:22px;height:1px}.section-head{max-width:760px;margin-bottom:60px}.section-title{font-size:var(--fs-h2);letter-spacing:-.02em;margin-top:20px}.section-desc{font-size:var(--fs-lead);color:var(--text-secondary);margin-top:20px;line-height:1.8}.grid{gap:24px;display:grid}.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}.btn{border-radius:var(--radius-sm);white-space:nowrap;cursor:pointer;height:46px;transition:background-color var(--duration) var(--ease), border-color var(--duration) var(--ease), color var(--duration) var(--ease), box-shadow var(--duration) var(--ease), transform var(--duration) var(--ease);border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:0 24px;font-size:15px;font-weight:500;display:inline-flex}.btn:disabled{opacity:.55;cursor:not-allowed}.btn--primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px #2f6bff38}.btn--primary:hover:not(:disabled){background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 10px 24px #2f6bff47}.btn--outline{border-color:var(--border-strong);color:var(--text-strong);background:#fff}.btn--outline:hover:not(:disabled){border-color:var(--brand);color:var(--brand)}.btn--invert{border-color:var(--line-invert);color:#fff;background:#ffffff0f}.btn--invert:hover:not(:disabled){background:#ffffff1f;border-color:#ffffff52}.btn--sm{height:38px;padding:0 18px;font-size:14px}.btn--md{height:42px;padding:0 20px}.btn--lg{height:54px;padding:0 32px;font-size:16px}.btn--block{width:100%}.btn-group{flex-wrap:wrap;gap:14px;display:flex}.link-arrow{color:var(--brand);align-items:center;gap:8px;font-size:15px;font-weight:500;display:inline-flex}.link-arrow span{transition:transform var(--duration) var(--ease)}.link-arrow:hover span{transform:translate(5px)}.card{border:1px solid var(--border);border-radius:var(--radius-lg);transition:border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease), transform var(--duration) var(--ease);background:#fff;padding:36px}.card--hover:hover{border-color:var(--brand-line);box-shadow:var(--shadow-md);transform:translateY(-3px)}.field{margin-bottom:24px;display:block}.field__label{color:var(--text-strong);margin-bottom:10px;font-size:14px;font-weight:500;display:block}.field__label .required{color:#d93026;margin-left:4px;font-style:normal}.field__control{border:1px solid var(--border-strong);border-radius:var(--radius-sm);width:100%;min-height:48px;transition:border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);background:#fff;padding:12px 16px;font-size:15px}.field__control::placeholder{color:var(--text-tertiary)}.field__control:focus{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft);outline:none}.field__control--textarea{resize:vertical;min-height:140px;line-height:1.7}.field__control.is-error{border-color:#d93026}.field__error{color:#d93026;margin-top:8px;font-size:13px}.form-alert{border-radius:var(--radius-sm);margin-bottom:22px;padding:14px 18px;font-size:14px}.form-alert--success{color:#007a52;background:#008a5c14}.form-alert--error{color:#c22a20;background:#d9302614}.tag{border-radius:var(--radius-pill);background:var(--brand-soft);height:28px;color:var(--brand);align-items:center;padding:0 12px;font-size:13px;font-weight:500;display:inline-flex}.mono{font-family:var(--font-mono);letter-spacing:.08em;font-size:12px}.reveal{opacity:0;transition:opacity .7s var(--ease), transform .7s var(--ease);transform:translateY(20px)}.reveal.is-visible{opacity:1;transform:none}@media (width<=1023px){.section{padding:76px 0}.section-head{margin-bottom:44px}.grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}.card{padding:30px}}@media (width<=767px){.section{padding:56px 0}.section-head{margin-bottom:34px}.grid{gap:16px}.grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}.card{padding:26px 22px}.btn--lg{height:50px;padding:0 26px}.btn-group .btn{flex:150px}}