:root{--bg: #fff5f9;--surface: #ffffff;--text: #2b2230;--muted: #8c7d89;--accent: #ff4f9a;--accent2: #ff9ec7;--border: #ffd9e8;--note-bg: #fff0f6;--link: #d43380}@media (prefers-color-scheme: dark){:root{--bg: #16111b;--surface: #221a29;--text: #f5ecf3;--muted: #b7a4b6;--accent: #ff7ab8;--accent2: #ffa9d2;--border: #3b2d41;--note-bg: #2a2031;--link: #ff7ab8}}:root[data-theme="light"]{--bg:#fff5f9;--surface:#ffffff;--text:#2b2230;--muted:#8c7d89;--accent:#ff4f9a;--accent2:#ff9ec7;--border:#ffd9e8;--note-bg:#fff0f6;--link:#d43380}:root[data-theme="dark"]{--bg:#16111b;--surface:#221a29;--text:#f5ecf3;--muted:#b7a4b6;--accent:#ff7ab8;--accent2:#ffa9d2;--border:#3b2d41;--note-bg:#2a2031;--link:#ff7ab8}*,*::before,*::after{box-sizing: border-box}html{scroll-behavior: smooth}body{margin: 0;font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Apple Color Emoji",sans-serif;font-size: 15px;line-height: 1.75;color: var(--text);background: var(--bg);-webkit-font-smoothing: antialiased}a{color: var(--link);text-decoration: none}a:hover{text-decoration: underline}.page-wrap{width: min(700px,92vw);margin: 0 auto}.page-header{display: flex;align-items: center;justify-content: space-between;padding: 1.1rem 0;border-bottom: 1px solid var(--border);margin-bottom: 2.2rem}.page-brand{font-weight: 800;font-size: 1.08rem;letter-spacing: -.02em;text-decoration: none;color: var(--text);display: flex;align-items: center;gap: .38rem}.page-brand .cat{font-size: 1.3rem}.page-brand b{background: linear-gradient(100deg,var(--accent),var(--accent2));-webkit-background-clip: text;background-clip: text;color: transparent}.page-tools{display: flex;align-items: center;gap: .5rem}.page-lang,.page-login,.page-theme{border: 1px solid var(--border);background: var(--surface);color: var(--text);border-radius: 999px;font-size: .85rem;font-weight: 700;text-decoration: none;transition: border-color .15s ease,color .15s ease;cursor: pointer}.page-lang{padding: .32rem .7rem}.page-login{padding: .32rem .8rem}.page-theme{padding: .32rem .55rem;line-height: 1;border: 1px solid var(--border);background: var(--surface)}.page-lang:hover,.page-login:hover,.page-theme:hover{border-color: var(--accent);color: var(--accent);text-decoration: none}main{padding-bottom: 3rem}h1{font-size: 1.65rem;font-weight: 800;margin: 0 0 1.1rem;letter-spacing: -.025em;line-height: 1.2}h2{font-size: 1.13rem;font-weight: 700;margin: 2.2rem 0 .55rem;padding-top: .2rem}p{margin: .75rem 0}ul,ol{padding-left: 1.4rem;margin: .75rem 0}li{margin: .4rem 0}strong{font-weight: 700}.section{margin: 0 0 2.5rem}.note{background: var(--note-bg);border-left: 3px solid var(--accent);border-radius: 0 8px 8px 0;padding: .85rem 1.1rem;margin: 1rem 0;font-size: .93rem}.note b{color: var(--accent)}.page-footer{border-top: 1px solid var(--border);padding: 1.8rem 0 2.4rem;text-align: center;color: var(--muted);font-size: .85rem}.page-footer nav{margin-bottom: .55rem}.page-footer a{color: var(--muted);text-decoration: none}.page-footer a:hover{color: var(--accent)}.page-footer .sep{margin: 0 .45rem;opacity: .45}.foot-ai{display: inline-block;font-weight: 700;color: var(--text);margin-bottom: .3rem}.foot-ai .grad{background: linear-gradient(100deg,var(--accent),var(--accent2));-webkit-background-clip: text;background-clip: text;color: transparent}