:root{--page: #ffffff;--cotton: #ffffff;--tint: #f2f4fe;--knit: #e6e9f6;--ink: #121a45;--ink-2: #454c6e;--ink-3: #6a7090;--royal: #2433c4;--royal-deep: #1a2598;--red: #d9262c;--red-deep: #b51d23;--red-soft: #ffb9bb;--line: #dde1f1;--line-strong: #b3bad8;--stitch: rgba(36, 51, 196, .38);--success: #1f7a4d;--error: #b3261e;--font: "Hanken Grotesk", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;--s1: 4px;--s2: 8px;--s3: 12px;--s4: 16px;--s5: 24px;--s6: 32px;--s7: 48px;--s8: 64px;--s9: 96px;--section: clamp(56px, 8vw, 104px);--gutter: clamp(16px, 4vw, 40px);--max: 1200px;--header-h: 72px;--radius: 8px}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--header-h) + 16px);overflow-x:hidden;overflow-x:clip}@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}body{margin:0;background:var(--page);color:var(--ink);font-family:var(--font);font-size:1.0625rem;line-height:1.6;overflow-x:clip;-webkit-font-smoothing:antialiased}:lang(zh) body,html:lang(zh-Hans) body{line-height:1.75}img,video,svg,canvas{display:block;max-width:100%}img,video{height:auto}h1,h2,h3,h4{margin:0;line-height:1.15;letter-spacing:-.015em;font-weight:700;text-wrap:balance}html:lang(zh-Hans) h1,html:lang(zh-Hans) h2,html:lang(zh-Hans) h3{letter-spacing:0;line-height:1.3}html:lang(zh-Hans) h1{font-size:clamp(1.9rem,3.9vw,3.1rem)}html:lang(zh-Hans) h2{font-size:clamp(1.5rem,2.7vw,2.2rem)}.ph{display:inline-block}h1{font-size:clamp(2.1rem,4.6vw,3.6rem)}h2{font-size:clamp(1.65rem,3.1vw,2.5rem)}h3{font-size:clamp(1.2rem,1.8vw,1.4rem);letter-spacing:-.005em}p{margin:0;text-wrap:pretty}a{color:var(--royal);text-underline-offset:3px}a:hover{color:var(--royal-deep)}:focus-visible{outline:3px solid var(--royal);outline-offset:3px;border-radius:4px}ul,ol{margin:0;padding:0}.wrap{width:100%;max-width:calc(var(--max) + 2 * var(--gutter));margin-inline:auto;padding-inline:var(--gutter)}.section{padding-block:var(--section)}.section+.section{border-top:1px solid var(--line)}.section--ink{background:var(--ink);color:#eef0fa}.section--ink+.section,.section+.section--ink{border-top:0}.section--tint{background:var(--tint)}.nowrap{white-space:nowrap}.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.skip{position:absolute;left:16px;top:-80px;z-index:100;background:var(--ink);color:#fff;padding:12px 18px;border-radius:var(--radius);font-weight:600}.skip:focus{top:12px;color:#fff}.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.8125rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--red);margin-bottom:var(--s4)}html:lang(zh-Hans) .eyebrow{letter-spacing:.12em;font-size:.875rem}.section--ink .eyebrow{color:var(--red-soft)}.lede{font-size:clamp(1.075rem,1.4vw,1.2rem);color:var(--ink-2);max-width:62ch}.section--ink .lede{color:#d3d7ee}.section-head{max-width:760px;margin-bottom:clamp(32px,4vw,48px)}.section-head h2+.lede,.section-head h1+.lede{margin-top:var(--s4)}.label{position:relative;background:var(--cotton);border:1px solid var(--line);border-radius:6px;padding:clamp(22px,3vw,36px);box-shadow:0 1px #121a450a,0 18px 40px -28px #121a4559}.label:before{content:"";position:absolute;inset:7px;border:1.5px dashed var(--stitch);border-radius:3px;pointer-events:none}.label--compact{padding:20px 22px}.stitched{position:relative;margin:0;background:var(--cotton);border:1px solid var(--line);border-radius:4px;padding:14px}.stitched:before{content:"";position:absolute;inset:6px;border:1.5px dashed var(--stitch);border-radius:2px;pointer-events:none}.stitched img,.stitched video{width:100%;border-radius:2px;position:relative}.stitched figcaption,figure>figcaption{font-size:.875rem;color:var(--ink-3);margin-top:12px;line-height:1.45}.stitched figcaption{padding-inline:2px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 22px;border-radius:var(--radius);border:1.5px solid transparent;font:inherit;font-weight:600;font-size:1rem;line-height:1.25;text-decoration:none;text-align:center;cursor:pointer;transition:background-color .15s ease,border-color .15s ease,color .15s ease,transform .15s ease}.btn svg{width:20px;height:20px;flex:none}.btn--primary{background:var(--royal);color:#fff}.btn--primary:hover{background:var(--royal-deep);color:#fff}.btn--primary:active{transform:translateY(1px)}.btn--outline{border-color:var(--ink);color:var(--ink);background:transparent}.btn--outline:hover{background:var(--ink);color:#fff}.section--ink .btn--outline{border-color:#c4c9e6;color:#fff}.section--ink .btn--outline:hover{background:#fff;color:var(--ink)}.btn[disabled],.btn[aria-disabled=true]{background:#c9cbd8;border-color:#c9cbd8;color:#4b5070;cursor:not-allowed}.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.textlink{font-weight:600;color:var(--royal);text-decoration:underline;text-decoration-thickness:1.5px}.section--ink .textlink{color:#fff}.xlist{list-style:none;display:grid;gap:14px}.xlist li{display:grid;grid-template-columns:20px 1fr;gap:12px;align-items:start}.xlist li .tick{width:20px;height:20px;margin-top:.15em;color:var(--royal)}.section--ink .xlist li .tick{color:#aab3ff}.page-hero{padding-top:clamp(40px,6vw,80px);padding-bottom:clamp(40px,6vw,72px);border-bottom:1px solid var(--line);background:radial-gradient(circle at 50% 50%,rgba(36,51,196,.08) 1.2px,transparent 1.6px) 0 0 / 14px 10px,var(--tint)}.page-hero h1{max-width:18ch}html:lang(zh-Hans) .page-hero h1{max-width:16em}.page-hero .lede{margin-top:var(--s5)}.field{display:grid;gap:8px;align-content:start}.field label,.field legend{font-weight:600;font-size:.95rem}.field .hint{font-size:.875rem;color:var(--ink-3)}input[type=text],input[type=tel],input[type=date],input[type=email],select,textarea{width:100%;min-height:48px;padding:11px 14px;font:inherit;font-size:1rem;color:var(--ink);background:var(--cotton);border:1.5px solid var(--line-strong);border-radius:6px}input[type=text],input[type=tel],input[type=date],input[type=email],select{height:48px}textarea{min-height:112px;resize:vertical}input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--royal);outline-offset:1px;border-color:var(--royal)}[aria-invalid=true]{border-color:var(--error)!important}.error-text{color:var(--error);font-size:.9rem;font-weight:600}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.site-header[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:50;background:#fffffff5;backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}.site-header[data-astro-cid-3ef6ksr2]:before{content:"";display:block;height:4px;background:linear-gradient(90deg,var(--red) 0 50%,var(--royal) 50% 100%)}.site-header__bar[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:24px;min-height:var(--header-h)}.brand[data-astro-cid-3ef6ksr2]{flex:none;display:block;padding-block:8px}.brand[data-astro-cid-3ef6ksr2] img[data-astro-cid-3ef6ksr2]{width:auto;height:48px;mix-blend-mode:multiply}.nav[data-astro-cid-3ef6ksr2]{margin-left:auto}.nav[data-astro-cid-3ef6ksr2] ul[data-astro-cid-3ef6ksr2]{list-style:none;display:flex;gap:4px}.nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{display:block;padding:10px 14px;color:var(--ink);font-weight:600;font-size:.975rem;text-decoration:none;border-radius:6px;position:relative}.nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{background:#121a450f}.nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2][aria-current=page]:after{content:"";position:absolute;left:14px;right:14px;bottom:4px;border-bottom:2px dashed var(--red)}.site-header__actions[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:12px}.lang[data-astro-cid-3ef6ksr2]{position:relative;flex:none;display:inline-grid;grid-template-columns:1fr 1fr;padding:3px;border-radius:10px;background:#e4e7f5}.lang__pill[data-astro-cid-3ef6ksr2]{position:absolute;top:3px;bottom:3px;left:3px;width:calc(50% - 3px);border-radius:8px;background:#fff;box-shadow:0 3px 8px #121a451f,0 1px 1px #121a4514;transition:transform .34s cubic-bezier(.3,1.25,.5,1)}.lang[data-astro-cid-3ef6ksr2][data-on=zh] .lang__pill[data-astro-cid-3ef6ksr2]{transform:translate(100%)}.lang__seg[data-astro-cid-3ef6ksr2]{position:relative;z-index:1;display:grid;place-items:center;min-width:44px;min-height:34px;padding:4px 10px;border-radius:8px;font-size:.875rem;font-weight:600;line-height:1;color:var(--ink-2);text-decoration:none;white-space:nowrap;transition:color .25s ease}a[data-astro-cid-3ef6ksr2].lang__seg:hover,.lang[data-astro-cid-3ef6ksr2][data-on=en] .lang__seg[data-astro-cid-3ef6ksr2][data-code=en],.lang[data-astro-cid-3ef6ksr2][data-on=zh] .lang__seg[data-astro-cid-3ef6ksr2][data-code=zh]{color:var(--ink)}.lang[data-astro-cid-3ef6ksr2][data-on=zh] .lang__seg[data-astro-cid-3ef6ksr2][data-code=en],.lang[data-astro-cid-3ef6ksr2][data-on=en] .lang__seg[data-astro-cid-3ef6ksr2][data-code=zh]{color:var(--ink-2)}@media(prefers-reduced-motion:reduce){.lang__pill[data-astro-cid-3ef6ksr2]{transition:none}}.site-header__wa[data-astro-cid-3ef6ksr2]{width:190px;min-height:44px;padding:10px 18px;font-size:.95rem;white-space:nowrap}.menu-btn[data-astro-cid-3ef6ksr2],.menu-close[data-astro-cid-3ef6ksr2]{display:none;align-items:center;gap:8px;min-height:44px;padding:8px 14px;font:inherit;font-weight:600;color:var(--ink);background:var(--cotton);border:1.5px solid var(--line-strong);border-radius:var(--radius);cursor:pointer}.menu-btn[data-astro-cid-3ef6ksr2] svg,.menu-close[data-astro-cid-3ef6ksr2] svg{width:20px;height:20px}.sheet[data-astro-cid-3ef6ksr2]{position:fixed;inset:0;z-index:60;background:var(--page);overflow-y:auto}.sheet__inner[data-astro-cid-3ef6ksr2]{min-height:100%;display:flex;flex-direction:column;padding-bottom:32px}.sheet__top[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;min-height:var(--header-h);border-bottom:1px solid var(--line)}.sheet__title[data-astro-cid-3ef6ksr2]{font-weight:700}.menu-close[data-astro-cid-3ef6ksr2]{display:inline-flex}.sheet__links[data-astro-cid-3ef6ksr2]{list-style:none;padding-block:16px}.sheet__links[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{display:block;padding:16px 4px;font-size:1.5rem;font-weight:700;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line)}.sheet__links[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2][aria-current=page]{color:var(--royal)}.sheet__foot[data-astro-cid-3ef6ksr2]{display:grid;gap:12px;margin-top:auto;padding-top:24px}.sheet__lang[data-astro-cid-3ef6ksr2]{justify-self:start;padding:10px 2px;font-weight:600}@media(max-width:1080px){.nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{padding-inline:10px}.site-header__wa[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]{display:none}.site-header__wa[data-astro-cid-3ef6ksr2]{width:auto;padding-inline:12px}}@media(max-width:900px){.nav[data-astro-cid-3ef6ksr2],.site-header__wa[data-astro-cid-3ef6ksr2]{display:none}.site-header__actions[data-astro-cid-3ef6ksr2]{margin-left:auto}.menu-btn[data-astro-cid-3ef6ksr2]{display:inline-flex}.brand[data-astro-cid-3ef6ksr2] img[data-astro-cid-3ef6ksr2]{height:42px}}@media(max-width:350px){.menu-btn[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]{display:none}}.site-footer[data-astro-cid-sz7xmlte]{background:var(--ink);color:#e7e9f6;padding-top:clamp(56px,7vw,88px)}.site-footer__main[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:clamp(40px,6vw,88px);padding-bottom:clamp(48px,6vw,72px)}.book__heading[data-astro-cid-sz7xmlte]{font-size:clamp(1.6rem,2.8vw,2.25rem);color:#fff;max-width:18em}.book__list[data-astro-cid-sz7xmlte]{list-style:none;display:grid;gap:12px;margin-top:28px}.book__list[data-astro-cid-sz7xmlte] li[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:36px 1fr;gap:14px;align-items:center;padding:14px 18px 14px 14px;border:1.5px dashed rgba(196,201,230,.4);border-radius:6px;font-size:1.05rem}.book__num[data-astro-cid-sz7xmlte]{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--red);color:#fff;font-weight:700}.book__reply[data-astro-cid-sz7xmlte]{margin-top:20px;margin-bottom:24px;color:#c4c9e6;max-width:52ch}.btn--on-ink[data-astro-cid-sz7xmlte]{background:#fff;color:var(--royal)}.btn--on-ink[data-astro-cid-sz7xmlte]:hover{background:var(--knit);color:var(--royal-deep)}.site-footer[data-astro-cid-sz7xmlte] .btn--outline[data-astro-cid-sz7xmlte]{border-color:#c4c9e699;color:#fff}.site-footer[data-astro-cid-sz7xmlte] .btn--outline[data-astro-cid-sz7xmlte]:hover{background:#fff;color:var(--ink)}.facts[data-astro-cid-sz7xmlte]{margin:0;display:grid;gap:0;align-content:start}.facts[data-astro-cid-sz7xmlte]>div[data-astro-cid-sz7xmlte]{padding-block:20px;border-top:1px solid rgba(196,201,230,.25)}.facts[data-astro-cid-sz7xmlte]>div[data-astro-cid-sz7xmlte]:first-child{border-top:0;padding-top:4px}.facts[data-astro-cid-sz7xmlte] dt[data-astro-cid-sz7xmlte]{font-size:.8125rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#aab0d6;margin-bottom:8px}.facts[data-astro-cid-sz7xmlte] dd[data-astro-cid-sz7xmlte]{margin:0;display:grid;gap:6px;justify-items:start;font-size:1.05rem}.facts[data-astro-cid-sz7xmlte] address[data-astro-cid-sz7xmlte]{font-style:normal}.facts__link[data-astro-cid-sz7xmlte]{color:#fff;text-decoration:underline;text-decoration-color:#fff6;overflow-wrap:anywhere}.facts__link[data-astro-cid-sz7xmlte]:hover{color:#fff;text-decoration-color:#fff}.site-footer__legal[data-astro-cid-sz7xmlte]{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;padding-block:24px 28px;border-top:1px solid rgba(196,201,230,.25);font-size:.9rem;color:#aab0d6}.site-footer__legal[data-astro-cid-sz7xmlte] strong[data-astro-cid-sz7xmlte]{color:#fff;font-weight:600}.site-footer__legal[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:#fff}.sep[data-astro-cid-sz7xmlte]{margin-inline:8px}.site-footer__meta[data-astro-cid-sz7xmlte]{display:flex;flex-wrap:wrap;gap:4px 20px}.site-footer--compact[data-astro-cid-sz7xmlte]{padding-top:0}.site-footer--compact[data-astro-cid-sz7xmlte] .site-footer__legal[data-astro-cid-sz7xmlte]{border-top:0}.wa-dock[data-astro-cid-sz7xmlte]{display:none}@media(max-width:900px){.site-footer__main[data-astro-cid-sz7xmlte]{grid-template-columns:1fr}.wa-dock[data-astro-cid-sz7xmlte]{display:inline-flex;position:fixed;left:12px;right:12px;bottom:max(12px,env(safe-area-inset-bottom));z-index:40;box-shadow:0 10px 30px -10px #121a458c;transition:transform .3s cubic-bezier(.2,.7,.2,1),opacity .2s ease,visibility 0s}.wa-dock[data-astro-cid-sz7xmlte].is-away,html.js:has([data-dock-hide]) .wa-dock[data-astro-cid-sz7xmlte]:not(.is-live){transform:translateY(160%);opacity:0;visibility:hidden;transition:transform .3s cubic-bezier(.2,.7,.2,1),opacity .2s ease,visibility 0s linear .3s}.site-footer[data-astro-cid-sz7xmlte]{padding-bottom:76px}}@media(prefers-reduced-motion:no-preference){.js [data-reveal=rise]{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .85s cubic-bezier(.2,.7,.2,1)}.js [data-reveal=wipe]:after{content:"";position:absolute;inset:0;z-index:2;background:var(--cotton);transform-origin:100% 50%;transition:transform 1.1s cubic-bezier(.65,0,.35,1) .1s;pointer-events:none}.js [data-reveal=stagger]>*{opacity:0;transform:translate(-20px);transition:opacity .55s ease,transform .7s cubic-bezier(.2,.7,.2,1);transition-delay:calc(min(var(--i, 0),8)*80ms)}.js [data-reveal=swing]>*{opacity:0;transform:translateY(-28px) rotate(-5deg);transform-origin:50% 22px;transition:opacity .45s ease,transform 1.15s cubic-bezier(.34,1.5,.64,1);transition-delay:calc(var(--i, 0) * .14s)}.js [data-reveal=swing]>:nth-child(2n){transform:translateY(-28px) rotate(4deg)}@media(max-width:760px){.js [data-reveal=swing]>*,.js [data-reveal=swing]>:nth-child(2n){transform:translateY(-28px)}}.js [data-reveal=rise].is-in,.js [data-reveal=stagger].is-in>*,.js [data-reveal=swing].is-in>*{opacity:1;transform:none}.js [data-reveal=wipe].is-in:after{transform:scaleX(0)}}