:root{--color-page-bg: #faf9f7;--color-surface: #ffffff;--color-surface-soft: #f7f7f5;--color-ink: #21252e;--color-muted: #6e7583;--color-faint: #7a8291;--color-line: #e8e6e1;--color-line-soft: #f0eee9;--color-accent: #2f5fe0;--color-accent-soft: #eef2fd;--color-accent-hover: #244fc7;--color-success: #17846b;--color-success-soft: #e2f4ee;--color-warning: #d9a13b;--color-warning-soft: #fdf8ec;--color-danger: #b03a3a;--color-danger-soft: #fdeaea;--color-info: #2f5fe0;--color-info-soft: #eef2fd;--hero-gradient: linear-gradient(135deg, #dbeafe 0%, #e9f1fd 45%, #f7edf6 100%);--hero-glass-bg: rgba(255, 255, 255, .58);--hero-glass-border: rgba(255, 255, 255, .72);--nav-glass-bg: rgba(255, 255, 255, .7);--nav-glass-border: rgba(255, 255, 255, .72);--nav-blur: blur(22px) saturate(150%);--font-display: "Songti SC", "STSong", "Noto Serif SC", Georgia, serif;--font-body: "PingFang SC", "HarmonyOS Sans SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "JetBrains Mono", "Microsoft YaHei", monospace;--text-hero: clamp(2.2rem, 5vw, 3.2rem);--text-page-title: 1.45rem;--text-h2: 1.12rem;--text-h3: 1rem;--text-body: .92rem;--text-small: .84rem;--text-caption: .78rem;--text-mono: .8rem;--leading-title: 1.3;--leading-body: 1.7;--leading-tight: 1.45;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px;--space-20: 80px;--radius-sm: 5px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-2xl: 20px;--radius-full: 99px;--shadow-sm: 0 1px 2px rgba(25, 28, 35, .04), 0 8px 24px rgba(25, 28, 35, .05);--shadow-md: 0 16px 50px rgba(41, 55, 88, .1), inset 0 1px 0 rgba(255, 255, 255, .8);--shadow-lg: 0 24px 60px rgba(41, 55, 88, .15), inset 0 1px 0 #fff;--ease-out: cubic-bezier(.16, 1, .3, 1);--duration-fast: .15s;--duration-base: .25s;--duration-slow: .4s;--max-width: 1080px;--max-width-wide: 1160px;--nav-height: 64px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{min-height:100vh;color:var(--color-ink);font-family:var(--font-body);font-size:var(--text-body);line-height:var(--leading-body);background:var(--color-page-bg);-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}ul{list-style:none}img,svg{display:block}::selection{background:var(--color-accent-soft)}.hero-ambience{position:fixed;inset:0;z-index:-1;overflow:hidden;background:var(--hero-gradient)}.hero-ambience:before{content:"";position:absolute;inset:-35%;background:radial-gradient(ellipse 54% 50% at 15% 22%,rgba(80,150,255,.42),transparent 72%),radial-gradient(ellipse 30% 32% at 87% 18%,rgba(241,116,175,.15),transparent 72%);filter:blur(34px)}.hero-ambience:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 0%,var(--color-page-bg) 58%,var(--color-page-bg) 100%)}.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--space-6)}.container-wide{max-width:var(--max-width-wide);margin:0 auto;padding:0 var(--space-6)}.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:var(--radius-full);font-size:.88rem;font-weight:600;transition:.25s var(--ease-out)}.btn-primary{background:var(--color-accent);color:#fff;box-shadow:0 8px 20px #2f5fe03d}.btn-primary:hover{background:var(--color-accent-hover);transform:translateY(-2px);box-shadow:0 12px 26px #2f5fe04d}.btn-ghost{background:var(--hero-glass-bg);border:1px solid var(--hero-glass-border);color:var(--color-ink)}.btn-ghost:hover{background:#fff;transform:translateY(-2px)}.btn-outline{border:1px solid var(--color-line);color:var(--color-muted);background:transparent;padding:10px 18px;border-radius:var(--radius-md);font-size:.85rem;transition:.2s}.btn-outline:hover{color:var(--color-ink);border-color:#c8c4bc}.chip{padding:5px 13px;border-radius:var(--radius-full);font-size:.8rem;color:var(--color-muted);border:1px solid var(--color-line);background:var(--color-surface);transition:.2s var(--ease-out)}.chip:hover{color:var(--color-ink);border-color:#c8c4bc}.chip.on{background:var(--color-accent-soft);color:var(--color-accent);border-color:transparent;font-weight:600}.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:var(--space-5);gap:var(--space-6)}.section-kicker{color:var(--color-accent);font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.section-head h2{font-family:var(--font-display);font-size:1.6rem;line-height:1.3;letter-spacing:-.03em;margin-top:6px}.section-head .more{color:var(--color-accent);font-size:.84rem;font-weight:600;white-space:nowrap}.section-head .more:hover{text-decoration:underline}.page-head{padding:var(--space-12) 0 var(--space-6)}.page-head h1{font-family:var(--font-display);font-size:2rem;letter-spacing:-.03em;line-height:1.25;margin-bottom:var(--space-2)}.page-head p{color:var(--color-muted);font-size:.95rem;max-width:640px}.search{position:relative;max-width:480px}.search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--color-faint);width:16px;height:16px;pointer-events:none}.search input{width:100%;height:44px;border:1px solid var(--color-line);background:var(--color-surface);border-radius:var(--radius-md);padding:0 40px;outline:none;color:var(--color-ink);font-size:.9rem;transition:.2s}.search input:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px #2f5fe01f}.search-clear{position:absolute;right:9px;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:50%;background:transparent;color:var(--color-faint);display:none;place-items:center;font-size:1rem}.search-clear:hover{background:#21252e0f;color:var(--color-ink)}@media (max-width:820px){.page-head h1{font-size:1.6rem}.section-head{flex-direction:column;align-items:flex-start;gap:var(--space-2)}}@media (max-width:620px){.container,.container-wide{padding:0 var(--space-4)}}@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition-duration:.01ms!important}}.nav-wrap[data-astro-cid-dmqpwcec]{position:sticky;top:16px;z-index:50;padding:0 var(--space-4)}.nav[data-astro-cid-dmqpwcec]{max-width:var(--max-width-wide);height:var(--nav-height);margin:auto;border-radius:var(--radius-2xl);display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-5) 0 var(--space-4);background:var(--nav-glass-bg);border:1px solid var(--nav-glass-border);box-shadow:var(--shadow-md);backdrop-filter:var(--nav-blur)}.logo[data-astro-cid-dmqpwcec]{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.02em}.logo-mark[data-astro-cid-dmqpwcec]{width:35px;height:35px;display:grid;place-items:center;border-radius:11px;color:#fff;font:700 13px var(--font-mono);background:linear-gradient(135deg,#5a9bff,#a575e6);box-shadow:0 6px 15px #4a7ef04d}.nav-links[data-astro-cid-dmqpwcec]{display:flex;gap:4px;align-items:center}.nav-links[data-astro-cid-dmqpwcec] a[data-astro-cid-dmqpwcec]{display:block;padding:7px 13px;border-radius:var(--radius-full);color:var(--color-muted);font-size:.86rem;transition:.2s var(--ease-out)}.nav-links[data-astro-cid-dmqpwcec] a[data-astro-cid-dmqpwcec]:hover,.nav-links[data-astro-cid-dmqpwcec] a[data-astro-cid-dmqpwcec].active{color:var(--color-ink);background:#ffffffc7;box-shadow:inset 0 0 0 1px var(--color-line)}.nav-actions[data-astro-cid-dmqpwcec]{display:flex;align-items:center;gap:8px}.nav-search[data-astro-cid-dmqpwcec]{width:36px;height:36px;display:grid;place-items:center;border-radius:50%;color:var(--color-muted);border:1px solid var(--color-line);background:#fff;transition:.2s var(--ease-out)}.nav-search[data-astro-cid-dmqpwcec]:hover{color:var(--color-accent);border-color:#c9d4ee}.nav-search[data-astro-cid-dmqpwcec] svg[data-astro-cid-dmqpwcec]{width:16px;height:16px}.nav-burger[data-astro-cid-dmqpwcec]{display:none;width:44px;height:44px;place-items:center;border-radius:12px;color:var(--color-ink);border:1px solid var(--color-line);background:#fff}.nav-burger[data-astro-cid-dmqpwcec] svg[data-astro-cid-dmqpwcec]{width:20px;height:20px}.mobile-menu[data-astro-cid-dmqpwcec]{max-width:var(--max-width-wide);margin:8px auto 0;background:#fff;border:1px solid var(--color-line);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);padding:8px;display:none;flex-direction:column}.mobile-menu[data-astro-cid-dmqpwcec].open{display:flex;animation:fadeUp .2s var(--ease-out)}.mobile-menu[data-astro-cid-dmqpwcec] a[data-astro-cid-dmqpwcec]{display:flex;align-items:center;min-height:44px;padding:0 16px;border-radius:var(--radius-md);font-size:.92rem;color:var(--color-ink)}.mobile-menu[data-astro-cid-dmqpwcec] a[data-astro-cid-dmqpwcec]:hover,.mobile-menu[data-astro-cid-dmqpwcec] a[data-astro-cid-dmqpwcec].active{background:var(--color-accent-soft);color:var(--color-accent);font-weight:600}@keyframes fadeUp{0%{opacity:0;transform:translateY(6px)}}@media (max-width:820px){.nav-links[data-astro-cid-dmqpwcec]{display:none}.nav-burger[data-astro-cid-dmqpwcec]{display:grid}}footer[data-astro-cid-sz7xmlte]{border-top:1px solid var(--color-line);padding:var(--space-10) 0 var(--space-6);background:var(--color-surface)}.footer-top[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:var(--space-8);margin-bottom:var(--space-8)}.footer-top[data-astro-cid-sz7xmlte].no-lang{grid-template-columns:1.4fr 1fr 1fr 1fr}.footer-brand[data-astro-cid-sz7xmlte] .logo[data-astro-cid-sz7xmlte]{margin-bottom:var(--space-3);display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.02em}.footer-brand[data-astro-cid-sz7xmlte] .logo-mark[data-astro-cid-sz7xmlte]{width:35px;height:35px;display:grid;place-items:center;border-radius:11px;color:#fff;font:700 13px var(--font-mono);background:linear-gradient(135deg,#5a9bff,#a575e6);box-shadow:0 6px 15px #4a7ef04d}.footer-brand[data-astro-cid-sz7xmlte] p[data-astro-cid-sz7xmlte]{color:var(--color-muted);font-size:.8rem;line-height:1.65;max-width:280px}.footer-col[data-astro-cid-sz7xmlte] h4[data-astro-cid-sz7xmlte]{font-size:.8rem;font-weight:600;margin-bottom:var(--space-3);color:var(--color-ink)}.footer-col[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{display:block;color:var(--color-muted);font-size:.82rem;padding:4px 0;transition:.2s}.footer-col[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--color-accent)}.footer-contact-val[data-astro-cid-sz7xmlte]{display:block;color:var(--color-muted);font-size:.82rem;padding:4px 0}.footer-bottom[data-astro-cid-sz7xmlte]{padding-top:var(--space-6);border-top:1px solid var(--color-line-soft);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--space-3);color:var(--color-faint);font-size:.75rem}.footer-bottom[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:var(--color-faint)}.footer-bottom[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--color-ink)}@media (max-width:820px){.footer-top[data-astro-cid-sz7xmlte]{grid-template-columns:1fr 1fr}}@media (max-width:620px){.footer-top[data-astro-cid-sz7xmlte]{grid-template-columns:1fr}}