*,*:before,*:after{box-sizing:border-box}:root{color-scheme:light;--bg: #f6f7f9;--bg-soft: #eceef2;--surface: #ffffff;--surface-alt: #f2f4f7;--text: #14171c;--text-muted: #5c6672;--border: rgba(20, 23, 28, .1);--border-strong: rgba(20, 23, 28, .18);--brand: #e5392e;--brand-strong: #c62d24;--brand-soft: rgba(229, 57, 46, .1);--accent: #ff7a45;--ok: #1a7f52;--ok-soft: rgba(26, 127, 82, .12);--warn: #a2641a;--warn-soft: rgba(162, 100, 26, .14);--shadow-sm: 0 1px 2px rgba(16, 20, 26, .06);--shadow-md: 0 8px 24px rgba(16, 20, 26, .08);--shadow-lg: 0 18px 44px rgba(16, 20, 26, .12);--radius-sm: 10px;--radius: 16px;--radius-lg: 22px}:root[data-theme=dark]{color-scheme:dark;--bg: #0f1115;--bg-soft: #15181e;--surface: #171b21;--surface-alt: #1d222a;--text: #eef1f5;--text-muted: #9aa4b2;--border: rgba(238, 241, 245, .12);--border-strong: rgba(238, 241, 245, .22);--brand: #ff6a58;--brand-strong: #ff8a7c;--brand-soft: rgba(255, 106, 88, .16);--accent: #ffa07a;--ok: #4ade80;--ok-soft: rgba(74, 222, 128, .16);--warn: #fbbf24;--warn-soft: rgba(251, 191, 36, .16);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 8px 24px rgba(0, 0, 0, .45);--shadow-lg: 0 18px 44px rgba(0, 0, 0, .55)}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,Roboto,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}h1,h2,h3{margin:0;line-height:1.25;letter-spacing:-.01em}p{margin:0}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}.skip-link{position:absolute;left:-9999px;top:0;z-index:100;background:var(--surface);color:var(--text);padding:10px 16px;border-radius:0 0 var(--radius-sm) 0}.skip-link:focus{left:0}.container{width:100%;max-width:1080px;margin:0 auto;padding:0 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var(--border);background:var(--bg-soft)}.footer__inner{display:flex;flex-direction:column;gap:8px}.footer__brand{font-weight:700}.footer__note{color:var(--text-muted);font-size:13px}@media (min-width: 721px){.footer__note{white-space:nowrap}}@media (max-width: 720px){.hero{padding:40px 0 28px}.header__inner{min-height:58px}.nav a{padding:8px 9px;font-size:13px}.icon-button__text{display:none}.icon-button{padding:8px}.quickstart{padding:16px}.segmented{grid-template-columns:1fr}.service-card__actions .button{flex:1 1 auto}.section{padding:36px 0}}@media (max-width: 380px){.brand__text em{display:none}}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}