:root{--color-night:#090711;--color-night-soft:#151126;--color-violet:#8c67e8;--color-rose:#ee709d;--color-peach:#ffb78d;--color-lilac:#f2edff;--color-ink:#1a1724;--color-muted:#686474;--color-line:#e9e3f3;--color-primary:var(--color-night);--color-primary-raised:var(--color-night-soft);--color-accent:var(--color-rose);--color-secondary-accent:var(--color-violet);--color-surface-cool:var(--color-lilac);--color-on-dark:#fbfaff;--page-gutter:clamp(1.25rem, 4vw, 5rem);--site-header-offset:5.25rem;--content-measure:72rem;--color-white:#fbfaff;--color-coway-blue:#0067b9;--color-navy:var(--color-night-soft);--color-coral:var(--color-rose);--color-coral-dark:#a83e69;--color-surface:#f7f5fc;--color-border:var(--color-line);--color-text:var(--color-ink);--focus-ring:#fbfaff;--focus-ring-contrast:var(--color-violet);--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-6:1.5rem;--space-8:2rem;--space-12:3rem;--radius-sm:.375rem;--radius-md:.875rem;--radius-card:1.5rem;--radius-pill:999px;--font-sans:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;color:var(--color-text);font-family:var(--font-sans);line-height:1.6}*{box-sizing:border-box}html{scroll-behavior:smooth}html:lang(zh-CN){font-family:"Noto Sans SC", "Microsoft YaHei", "PingFang SC", var(--font-sans)}body{background:var(--color-white);margin:0}.glass-surface{backdrop-filter:blur(14px)saturate(1.4);background:#120f2396;border:1px solid #ffffff24;position:relative;box-shadow:inset 0 1px #ffffff2e}.glass-interactive{isolation:isolate;overflow:hidden}.glass-interactive:after{z-index:-1;content:"";pointer-events:none;background:linear-gradient(105deg,#0000 20%,#ffffff4d 48%,#0000 76%);transition:transform .65s cubic-bezier(.16,1,.3,1);position:absolute;inset:0;transform:translate(-120%)}.glass-interactive:hover:after,.glass-interactive:focus-within:after{transform:translate(120%)}.glass-interactive:active{transform:scale(.98)}@media (prefers-reduced-transparency:reduce){.glass-surface{background:var(--color-night-soft);backdrop-filter:none}}a{color:inherit;text-underline-offset:.2em}a:focus-visible,summary:focus-visible{border-radius:var(--radius-sm);outline:3px solid var(--focus-ring);outline-offset:3px;box-shadow:0 0 0 6px var(--focus-ring-contrast)}.shell{width:min(var(--content-measure), calc(100% - 2 * var(--page-gutter)));margin-inline:auto}.shell.section-inner{width:min(var(--content-measure), 100%)}.full-bleed{width:100%}.section-inner{padding-inline:var(--page-gutter)}.screen-reader-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:100;top:var(--space-2);left:var(--space-2);padding:var(--space-3) var(--space-4);border-radius:var(--radius-sm);background:var(--color-navy);color:var(--color-white);position:fixed;transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.site-header{z-index:50;padding:.75rem var(--page-gutter) 0;color:var(--color-on-dark);background:0 0;position:sticky;top:0}.site-header+main{margin-top:calc(-1 * var(--site-header-offset))}.header-inner,.header-actions,.primary-navigation{align-items:center;display:flex}.header-inner{border-radius:var(--radius-card);justify-content:space-between;gap:var(--space-6);width:min(76rem,100%);min-height:4.5rem;padding-inline:clamp(1rem,3vw,1.5rem)}.wordmark,.footer-wordmark{color:var(--color-on-dark);letter-spacing:.12em;font-size:1.35rem;font-weight:800;text-decoration:none}.primary-navigation,.footer-links{margin:0;padding:0;list-style:none}.primary-navigation{gap:var(--space-6)}.primary-navigation a{font-weight:650;text-decoration:none}.header-actions{gap:var(--space-3)}.language-menu{position:relative}.language-menu summary{min-height:2.75rem;padding:var(--space-2) var(--space-3);cursor:pointer;font-weight:650}.language-menu ul{z-index:10;width:min(12rem, calc(100vw - 2 * var(--page-gutter)));padding:var(--space-2);margin:var(--space-2) 0 0;border-radius:var(--radius-md);background:var(--color-white);color:var(--color-primary);border:1px solid #c8d8e5;list-style:none;position:absolute;right:0;box-shadow:0 1rem 2rem #082f4924}.language-menu a{padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);text-decoration:none;display:block}[aria-current=page]{font-weight:750}.button{min-height:2.75rem;padding:var(--space-2) var(--space-4);border-radius:var(--radius-pill);justify-content:center;align-items:center;font-weight:750;text-decoration:none;display:inline-flex}.button-accent{background:var(--color-white);color:var(--color-night)}.button-accent:hover{background:var(--color-lilac)}main{min-height:40vh}.mobile-navigation{display:none}.site-footer{padding-block:var(--space-12) var(--space-8);background:var(--color-navy);color:var(--color-white)}.footer-grid{gap:var(--space-8);grid-template-columns:minmax(12rem,1.3fr) minmax(8rem,.65fr) minmax(15rem,1.2fr) minmax(11rem,.85fr);display:grid}.footer-wordmark,.footer-heading{color:var(--color-white);margin-top:0;font-weight:750}.language-links{gap:var(--space-2);display:grid}.footer-links{margin:0;padding:0;list-style:none}.footer-guides .footer-links{gap:var(--space-2);display:grid}.footer-guides a{color:#fbfaffc7;font-size:.9rem;line-height:1.4}.footer-guides a:hover{color:var(--color-accent)}.social-links{gap:var(--space-2);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.social-link{min-height:2.75rem;color:var(--color-white);border:1px solid #ffffff6b;border-radius:999px;justify-content:center;align-items:center;padding:.65rem .9rem;font-size:.875rem;font-weight:750;line-height:1;text-decoration:none;display:inline-flex}a.social-link:hover{border-color:var(--color-accent);color:var(--color-accent)}a.social-link:focus-visible{outline:3px solid var(--color-accent);outline-offset:3px}.social-link-disabled{cursor:default;opacity:.58}.footer-legal{padding-top:var(--space-8);margin-top:var(--space-8);border-top:1px solid #ffffff3d;font-size:.925rem}@media (width<=60rem){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.header-inner{padding-block:var(--space-3);flex-wrap:wrap;position:relative}.desktop-navigation{display:none}.language-menu{position:static}.language-menu ul{right:var(--page-gutter);left:var(--page-gutter);width:auto;max-width:calc(100% - 2 * var(--page-gutter))}.mobile-navigation{order:3;display:block;position:static}.mobile-navigation summary{min-height:2.75rem;padding:var(--space-2) var(--space-3);cursor:pointer}.mobile-navigation nav{z-index:20;top:calc(100% + var(--space-2));right:var(--page-gutter);left:var(--page-gutter);width:auto;min-width:0;max-width:calc(100% - 2 * var(--page-gutter));padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-white);color:var(--color-primary);position:absolute;box-shadow:0 1rem 2rem #0c1f3329}.mobile-navigation ul{gap:var(--space-2);margin:0;padding:0;list-style:none;display:grid}.mobile-navigation a{align-items:center;min-height:2.75rem;display:flex}}@media (width<=40rem){.site-header{padding-inline:var(--space-2)}.header-inner{gap:var(--space-1);padding-inline:var(--space-2);flex-wrap:nowrap}.wordmark{flex:none;font-size:.9rem}.mobile-navigation{order:initial;flex:none}.mobile-navigation summary,.language-menu summary{min-height:2.75rem;padding-inline:var(--space-1);white-space:nowrap;align-items:center;font-size:.72rem;display:flex}.header-actions{gap:var(--space-1);flex:none;margin-left:0}.button-accent{min-height:2.75rem;padding-inline:var(--space-2);white-space:nowrap;font-size:.72rem}.footer-grid{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.analytics-consent{z-index:90;right:var(--page-gutter);bottom:var(--space-4);width:min(32rem, calc(100% - 2 * var(--page-gutter)));padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-white);position:fixed;box-shadow:0 1rem 2rem #082f4933}.analytics-consent[hidden]{display:none}.analytics-consent p{margin:0}.analytics-consent-actions{gap:var(--space-3);margin-top:var(--space-4);flex-wrap:wrap;display:flex}.analytics-consent button{min-height:2.75rem;padding:var(--space-2) var(--space-4);border:2px solid var(--color-primary);border-radius:var(--radius-pill);background:var(--color-white);color:var(--color-primary);cursor:pointer;font:inherit;font-weight:750}.analytics-consent [data-analytics-accept]{background:var(--color-primary);color:var(--color-white)}.analytics-consent button:focus-visible{outline:3px solid var(--focus-ring);outline-offset:3px;box-shadow:0 0 0 6px var(--focus-ring-contrast)}@media (width<=40rem){.analytics-consent{right:var(--space-3);bottom:var(--space-3);width:calc(100% - 2 * var(--space-3))}.analytics-consent-actions{display:grid}}