:root{--bg-base: #070b14;--bg-elevated: #0f1626;--bg-light: #f7f9fc;--bg-light-elevated: #ffffff;--accent-blue: #2e7bf6;--accent-cyan: #22d3ee;--accent-gradient: linear-gradient(135deg, #2e7bf6, #22d3ee);--text-primary-dark: #f5f7fa;--text-secondary-dark: #94a3b8;--text-primary-light: #0b1220;--text-secondary-light: #5a6b85;--border-dark: rgba(148, 163, 184, .16);--border-light: rgba(11, 18, 32, .1);--font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;--font-latin: Inter, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--fs-display: 72px;--lh-display: 1.05;--ls-display: -.02em;--fs-h2: 44px;--lh-h2: 1.15;--fs-h3: 24px;--lh-h3: 1.35;--fs-body: 17px;--lh-body: 1.75;--fs-caption: 13px;--lh-caption: 1.5;--ls-caption: .08em;--container-max: 1200px;--container-pad: 24px;--section-pad-y: 120px;--section-pad-y-sm: 72px;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 22px;--radius-pill: 999px;--ease-out-expo: cubic-bezier(.22, 1, .36, 1);--dur-reveal: .5s;--dur-hover: .22s;--reveal-stagger: 60ms;--shadow-card-dark: 0 18px 48px rgba(0, 0, 0, .45);--shadow-card-light: 0 18px 48px rgba(11, 18, 32, .1);--shadow-cta: 0 12px 32px rgba(46, 123, 246, .35)}@media(max-width:640px){:root{--fs-display: 40px;--lh-display: 1.15;--fs-h2: 30px;--lh-h2: 1.25;--fs-h3: 20px;--lh-h3: 1.4;--fs-body: 16px;--lh-body: 1.7;--fs-caption: 12px;--container-pad: 20px;--section-pad-y: 72px;--section-pad-y-sm: 56px}}*,*:before,*:after{box-sizing:border-box}*{margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{min-height:100vh;font-family:var(--font-sans);font-size:var(--fs-body);line-height:var(--lh-body);background-color:var(--bg-light);color:var(--text-primary-light);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}img,picture,svg,video{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}ul,ol{list-style:none}[lang],.num,time{font-variant-numeric:tabular-nums}.latin{font-family:var(--font-latin)}:focus-visible{outline:2px solid var(--accent-cyan);outline-offset:3px;border-radius:4px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;top:-100px;left:16px;z-index:999;padding:12px 18px;background:var(--accent-blue);color:#fff;border-radius:var(--radius-sm);transition:top var(--dur-hover) ease}.skip-link:focus{top:16px}.container{width:100%;max-width:var(--container-max);margin-inline:auto;padding-inline:var(--container-pad)}.tone-dark{background-color:var(--bg-base);color:var(--text-primary-dark)}.tone-dark .text-secondary{color:var(--text-secondary-dark)}.tone-light{background-color:var(--bg-light);color:var(--text-primary-light)}.tone-light .text-secondary,.text-secondary{color:var(--text-secondary-light)}.grad-text{background:var(--accent-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}.grad-rule{height:1px;border:0;background:var(--accent-gradient);opacity:.5}.display{font-size:var(--fs-display);line-height:var(--lh-display);letter-spacing:var(--ls-display);font-weight:800}.h2{font-size:var(--fs-h2);line-height:var(--lh-h2);letter-spacing:-.01em;font-weight:700}.h3{font-size:var(--fs-h3);line-height:var(--lh-h3);font-weight:600}.caption{font-family:var(--font-latin);font-size:var(--fs-caption);line-height:var(--lh-caption);letter-spacing:var(--ls-caption);text-transform:uppercase;font-weight:600;color:var(--text-secondary-light)}.tone-dark .caption{color:var(--text-secondary-dark)}.reveal{opacity:0;transform:translateY(24px);transition:opacity var(--dur-reveal) var(--ease-out-expo),transform var(--dur-reveal) var(--ease-out-expo);transition-delay:var(--reveal-delay, 0ms)}.reveal.is-visible{opacity:1;transform:none}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}main{display:block}.logo[data-astro-cid-tvrurpns]{display:inline-flex;align-items:center;gap:10px;color:currentColor;transition:opacity var(--dur-hover) ease}.logo[data-astro-cid-tvrurpns]:hover{opacity:.86}.logo__mark[data-astro-cid-tvrurpns]{display:inline-flex;flex:none;width:30px;height:30px}.logo__mark[data-astro-cid-tvrurpns] svg[data-astro-cid-tvrurpns]{width:100%;height:100%}.logo__text[data-astro-cid-tvrurpns]{display:flex;flex-direction:column;line-height:1.1}.logo__cn[data-astro-cid-tvrurpns]{font-size:19px;font-weight:700;letter-spacing:.02em;color:currentColor}.logo__en[data-astro-cid-tvrurpns]{font-size:9px;font-weight:600;letter-spacing:.16em;margin-top:2px;color:currentColor;opacity:.75}.logo--lg[data-astro-cid-tvrurpns] .logo__mark[data-astro-cid-tvrurpns]{width:40px;height:40px}.logo--lg[data-astro-cid-tvrurpns] .logo__cn[data-astro-cid-tvrurpns]{font-size:26px}.logo--lg[data-astro-cid-tvrurpns] .logo__en[data-astro-cid-tvrurpns]{font-size:11px}.btn[data-astro-cid-vnzlvqnm]{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:var(--radius-pill);font-size:15px;font-weight:600;line-height:1;white-space:nowrap;transition:transform var(--dur-hover) var(--ease-out-expo),box-shadow var(--dur-hover) ease,background-color var(--dur-hover) ease,border-color var(--dur-hover) ease,opacity var(--dur-hover) ease}.btn--primary[data-astro-cid-vnzlvqnm]{background:var(--accent-gradient);color:#fff;box-shadow:var(--shadow-cta)}.btn--primary[data-astro-cid-vnzlvqnm]:hover{transform:translateY(-2px);box-shadow:0 16px 38px #2e7bf673}.btn--ghost[data-astro-cid-vnzlvqnm]{background:transparent;color:var(--text-primary-light);border:1px solid var(--border-light)}.btn--ghost[data-astro-cid-vnzlvqnm]:hover{transform:translateY(-2px);border-color:var(--accent-blue);color:var(--accent-blue)}.tone-dark .btn--ghost[data-astro-cid-vnzlvqnm]{color:var(--text-primary-dark);border-color:var(--border-dark)}.tone-dark .btn--ghost[data-astro-cid-vnzlvqnm]:hover{border-color:var(--accent-cyan);color:var(--accent-cyan)}.btn__arrow[data-astro-cid-vnzlvqnm]{width:15px;height:15px;transition:transform var(--dur-hover) var(--ease-out-expo)}.btn[data-astro-cid-vnzlvqnm]:hover .btn__arrow[data-astro-cid-vnzlvqnm]{transform:translate(3px)}.nav[data-astro-cid-dmqpwcec]{position:fixed;inset:0 0 auto;z-index:100;transition:background-color var(--dur-hover) ease,backdrop-filter var(--dur-hover) ease,border-color var(--dur-hover) ease;border-bottom:1px solid transparent;color:var(--text-primary-light)}.nav[data-astro-cid-dmqpwcec].is-scrolled,.nav[data-astro-cid-dmqpwcec]:not([data-home=true]){background-color:#f7f9fce0;backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom-color:var(--border-light)}.nav[data-astro-cid-dmqpwcec].is-over-hero:not(.is-scrolled){background-color:transparent;backdrop-filter:none;border-bottom-color:transparent}.nav__inner[data-astro-cid-dmqpwcec]{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}.nav__links[data-astro-cid-dmqpwcec] ul[data-astro-cid-dmqpwcec]{display:flex;align-items:center;gap:30px}.nav__link[data-astro-cid-dmqpwcec]{position:relative;font-size:15px;color:var(--text-secondary-light);transition:color var(--dur-hover) ease}.nav__link[data-astro-cid-dmqpwcec]:hover,.nav__link[data-astro-cid-dmqpwcec].is-active{color:var(--text-primary-light)}.nav__link[data-astro-cid-dmqpwcec].is-active:after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;background:var(--accent-gradient);border-radius:2px}.nav__toggle[data-astro-cid-dmqpwcec]{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:10px}.nav__toggle[data-astro-cid-dmqpwcec] span[data-astro-cid-dmqpwcec]{display:block;height:2px;width:100%;background:currentColor;border-radius:2px;transition:transform var(--dur-hover) ease,opacity var(--dur-hover) ease}.nav__toggle[data-astro-cid-dmqpwcec][aria-expanded=true] span[data-astro-cid-dmqpwcec]:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav__toggle[data-astro-cid-dmqpwcec][aria-expanded=true] span[data-astro-cid-dmqpwcec]:nth-child(2){opacity:0}.nav__toggle[data-astro-cid-dmqpwcec][aria-expanded=true] span[data-astro-cid-dmqpwcec]:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.nav__drawer[data-astro-cid-dmqpwcec]{display:none;padding:16px var(--container-pad) 32px;background-color:var(--bg-light-elevated);border-top:1px solid var(--border-light)}.nav__drawer[data-astro-cid-dmqpwcec] ul[data-astro-cid-dmqpwcec]{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}.nav__drawer-link[data-astro-cid-dmqpwcec]{display:block;padding:14px 4px;font-size:17px;color:var(--text-secondary-light);border-bottom:1px solid var(--border-light)}.nav__drawer-link[data-astro-cid-dmqpwcec].is-active{color:var(--text-primary-light)}.nav__drawer[data-astro-cid-dmqpwcec] .btn{width:100%;justify-content:center}@media(max-width:1024px){.nav__links[data-astro-cid-dmqpwcec],.nav__cta[data-astro-cid-dmqpwcec]{display:none}.nav__toggle[data-astro-cid-dmqpwcec]{display:flex}.nav__drawer[data-astro-cid-dmqpwcec]{display:block}}.footer[data-astro-cid-sz7xmlte]{padding-top:80px;border-top:1px solid var(--border-light);background-color:#fff}.footer__grid[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:56px}.footer__desc[data-astro-cid-sz7xmlte]{margin-top:18px;max-width:34ch;font-size:14px;color:var(--text-secondary-light)}.footer__title[data-astro-cid-sz7xmlte]{margin-bottom:18px;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-primary-light)}.footer__col[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;gap:12px}.footer__col[data-astro-cid-sz7xmlte] li[data-astro-cid-sz7xmlte],.footer__col[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{font-size:14px;color:var(--text-secondary-light);transition:color var(--dur-hover) ease}.footer__col[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--text-primary-light)}.footer__bottom[data-astro-cid-sz7xmlte]{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:24px 0 40px;border-top:1px solid var(--border-light);font-size:13px;color:var(--text-secondary-light)}.footer__record[data-astro-cid-sz7xmlte]{display:flex;gap:16px}@media(max-width:1024px){.footer__grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr 1fr;gap:32px}}@media(max-width:640px){.footer__grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr}}