:root{--rf-font-sans: "PingFang TC", "PingFang HK", "PingFang SC", "Hiragino Sans GB", "Microsoft JhengHei", "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--rf-font-mono: "SF Mono", "JetBrains Mono", "Cascadia Code", "Roboto Mono", "Menlo", "Consolas", monospace;--rf-font-editorial: "Noto Serif TC", "Songti TC", "PMingLiU", "MingLiU", Georgia, serif;--rf-color-up: #c0392b;--rf-color-down: #1f8a5b;--rf-color-flat: #8a93a6;--rf-color-primary: #1e2a4a;--rf-color-primary-rgb: 30, 42, 74;--rf-color-accent: #2f4474;--rf-color-accent-rgb: 47, 68, 116;--rf-color-gold: #b08a4f;--rf-color-gold-rgb: 176, 138, 79;--rf-topbar-height: 64px;--rf-max-width: 1200px;--rf-pad-x: 24px;--rf-gap: 16px;--rf-radius-xl: 16px;--rf-radius-lg: 14px;--rf-radius-md: 10px;--rf-radius-sm: 6px;--rf-motion-fast: .24s;--rf-motion-base: .36s;--rf-motion-image: .6s;--rf-ease-out: cubic-bezier(.22, 1, .36, 1);--rf-hover-nudge: 2px;--rf-hover-image-scale: 1.025;--rf-hover-image-brightness: 1.035;--rf-page: #f7f8fb;--rf-surface: #ffffff;--rf-card: #ffffff;--rf-surface-warm: #f2efe8;--rf-border-warm: #ded9cf;--rf-ink-shadow: #17243b;--rf-ink-slate: #283b50;--rf-ink-sheen-rgb: 99, 122, 132;--rf-on-ink-title: #f5f2eb;--rf-on-ink-copy: #d9dfe7;--rf-on-ink-accent: #e0cba7;--rf-on-ink-gold-start: #d0b887;--rf-on-ink-gold-end: #eee0c4;--rf-fill-ink: radial-gradient(ellipse 78% 135% at 108% 12%, rgba(var(--rf-ink-sheen-rgb), .28), transparent 67%), radial-gradient(ellipse 64% 95% at 62% 132%, rgba(var(--rf-color-gold-rgb), .11), transparent 72%), linear-gradient(118deg, var(--rf-ink-shadow) 0%, var(--rf-color-primary) 48%, var(--rf-ink-slate) 100%);--rf-fill-paper: radial-gradient(ellipse 76% 120% at 106% -18%, rgba(var(--rf-color-gold-rgb), .09), transparent 70%), radial-gradient(ellipse 62% 110% at -12% 110%, rgba(var(--rf-color-accent-rgb), .045), transparent 72%), linear-gradient(112deg, var(--rf-surface-warm), #f6f3ed 58%, var(--rf-surface-warm));--rf-text: #14182a;--rf-text-1: #2a3148;--rf-text-2: #4a5267;--rf-text-3: #868ea0;--rf-text-extreme: #0a0e1a;--rf-divider: #eceef3;--rf-border: #e6e8ef;--rf-control-bg: #f1f3f8;--rf-control-bg-hover: #e9ecf3;--rf-ring: rgba(var(--rf-color-primary-rgb), .18);--rf-header-bg: color-mix(in srgb, var(--rf-surface) 68%, transparent);--rf-header-blur: 10px;--rf-header-shadow: 0 8px 20px -10px rgba(var(--rf-color-primary-rgb), .2);--rf-card-shadow: 0 1px 2px rgba(20, 24, 42, .04), 0 1px 3px rgba(20, 24, 42, .06);--rf-card-shadow-hover: 0 6px 16px rgba(20, 24, 42, .08), 0 2px 6px rgba(20, 24, 42, .05)}@media(prefers-reduced-motion:reduce){:root{--rf-motion-fast: 0s;--rf-motion-base: 0s;--rf-motion-image: 0s;--rf-hover-nudge: 0px;--rf-hover-image-scale: 1}}.rf-texture{--rf-texture-base: var(--rf-ink-shadow);--rf-texture-fill: var(--rf-texture-base);--rf-texture-image: none;--rf-texture-image-mobile: var(--rf-texture-image);--rf-texture-width: 100%;--rf-texture-position: right 76%;--rf-texture-position-mobile: left center;--rf-texture-opacity: .58;--rf-texture-opacity-mobile: .26;--rf-texture-title: var(--rf-on-ink-title);--rf-texture-copy: var(--rf-on-ink-copy);--rf-texture-accent: var(--rf-on-ink-accent);--rf-texture-border: var(--rf-ink-slate);position:relative;isolation:isolate;background:var(--rf-texture-fill, var(--rf-texture-base));color:var(--rf-texture-copy)}.rf-texture:before{content:"";position:absolute;z-index:-1;inset:0 0 0 auto;width:var(--rf-texture-width, 100%);height:100%;border-radius:inherit;background-image:var(--rf-texture-image, none);background-size:cover;background-position:var(--rf-texture-position, right 76%);background-repeat:no-repeat;opacity:var(--rf-texture-opacity, .58);mask-image:linear-gradient(90deg,transparent,#000 58%),linear-gradient(180deg,transparent,rgba(0,0,0,.4) 40%,#000);mask-composite:intersect;pointer-events:none;user-select:none}@supports (clip-path: inset(0)){.rf-texture.rf-texture--fixed{clip-path:inset(0)}.rf-texture.rf-texture--fixed:before{position:fixed}}.rf-texture-title{color:var(--rf-texture-title)}.rf-texture-copy{color:var(--rf-texture-copy)}.rf-texture-accent{color:var(--rf-texture-accent)}.rf-texture--navy-satin{--rf-texture-image: url(/_astro/navy-satin-1536.DXb0RU-O.webp);--rf-texture-image-mobile: url(/_astro/navy-satin-768.CdwPGsIy.webp);--rf-texture-width: 78%;--rf-texture-fill: radial-gradient(ellipse 72% 145% at 103% 110%, rgba(var(--rf-ink-sheen-rgb), .2), transparent 70%), var(--rf-fill-ink)}.rf-texture--claret-lacquer{--rf-texture-image: url(/_astro/claret-lacquer-1536.D5-rKyhk.webp);--rf-texture-image-mobile: url(/_astro/claret-lacquer-768.BokeAm_e.webp);--rf-texture-base: #301719;--rf-texture-border: #4b2325}.rf-texture--charcoal-slate{--rf-texture-image: url(/_astro/charcoal-slate-1536.NzoJSBXT.webp);--rf-texture-image-mobile: url(/_astro/charcoal-slate-768.VmTZfzeo.webp);--rf-texture-base: #202122;--rf-texture-border: #383b3a;--rf-texture-opacity: .78;--rf-texture-opacity-mobile: .34}.rf-texture--espresso-leather{--rf-texture-image: url(/_astro/espresso-leather-1536.CXoHbFYO.webp);--rf-texture-image-mobile: url(/_astro/espresso-leather-768.Bu9C72wj.webp);--rf-texture-base: #291d19;--rf-texture-border: #49362b}.rf-texture--champagne-raw-silk{--rf-texture-base: var(--rf-surface-warm);--rf-texture-title: var(--rf-color-primary);--rf-texture-copy: var(--rf-text-2);--rf-texture-accent: var(--rf-color-primary);--rf-texture-border: var(--rf-border-warm);--rf-texture-opacity: .32;--rf-texture-opacity-mobile: .2;--rf-texture-image: url(/_astro/champagne-raw-silk-1536.DqXQSkCh.webp);--rf-texture-image-mobile: url(/_astro/champagne-raw-silk-768.B6Tvu5dd.webp)}@media(max-width:600px){.rf-texture:before{width:100%;background-image:var(--rf-texture-image-mobile, var(--rf-texture-image, none));background-position:var(--rf-texture-position-mobile, left 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rgba(var(--rf-color-primary-rgb),.035)}@supports (backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px)){.rf-surface-glass{background:color-mix(in srgb,var(--rf-surface) 52%,transparent);-webkit-backdrop-filter:blur(calc(var(--rf-gap) * .75));backdrop-filter:blur(calc(var(--rf-gap) * .75))}}@media(forced-colors:active){.rf-surface-glass{background:Canvas;border-color:CanvasText;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}}@media print{.rf-surface-glass{background:var(--rf-surface);box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}}img{max-width:100%;display:block}h1,h2,h3,h4,p{margin:0}.rf-num,.rf-mono{font-family:var(--rf-font-mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}*{scrollbar-width:thin;scrollbar-color:rgba(134,142,160,.3) transparent}*::-webkit-scrollbar{width:6px;height:6px}*::-webkit-scrollbar-track{background:transparent}*::-webkit-scrollbar-thumb{background:#868ea04d;border-radius:3px}*::-webkit-scrollbar-thumb:hover{background:#868ea080}.rf-container{width:100%;max-width:var(--rf-max-width);margin:0 auto;padding-left:var(--rf-pad-x);padding-right:var(--rf-pad-x)}.rf-card{background:var(--rf-card);border:1px solid var(--rf-border);border-radius:var(--rf-radius-lg);box-shadow:var(--rf-card-shadow);padding:24px}.rf-card--hover{transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease}.rf-card--hover:hover{box-shadow:var(--rf-card-shadow-hover);border-color:rgba(var(--rf-color-primary-rgb),.22);transform:translateY(-2px)}.rf-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 22px;border:1px solid transparent;border-radius:2px;font-size:14px;font-weight:500;font-family:inherit;cursor:pointer;transition:background-color var(--rf-motion-base) var(--rf-ease-out),border-color var(--rf-motion-base) var(--rf-ease-out),color var(--rf-motion-base) var(--rf-ease-out);line-height:1.5;text-align:center}.rf-btn--primary{background:var(--rf-color-primary);border-color:var(--rf-color-primary);color:#fff}.rf-btn--ghost{background:transparent;border-color:var(--rf-border);color:var(--rf-text)}@media(hover:hover)and (pointer:fine){.rf-btn--primary:hover{background-color:var(--rf-color-accent);border-color:var(--rf-color-accent)}.rf-btn--ghost:hover{border-color:var(--rf-color-primary);color:var(--rf-color-primary)}}.rf-btn:focus-visible{outline-color:var(--rf-color-primary)}.rf-surface-ink :where(a,button):focus-visible{outline-color:var(--rf-surface)}.rf-section{padding:72px 0}.rf-section--tight{padding:48px 0}.band{background:var(--rf-surface);border-top:1px solid var(--rf-divider);border-bottom:1px solid var(--rf-divider)}main>:last-child{padding-top:36px;padding-bottom:36px}main>:last-child.band{border-bottom:none}.rf-site-grid{display:grid;grid-template-columns:minmax(260px,1.4fr) 2fr;gap:32px 48px;align-items:start}.rf-eyebrow{font-size:12px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--rf-text-2);line-height:24px}.rf-section-title{margin-top:var(--rf-gap);font-family:var(--rf-font-editorial);font-size:32px;font-weight:500;line-height:1.5;letter-spacing:.01em;color:var(--rf-color-primary)}.rf-section-lead{margin-top:14px;max-width:680px;font-size:15px;line-height:1.9;color:var(--rf-text-2)}.rf-page-head__inner{position:relative;padding-top:calc(var(--rf-gap) * 3);padding-bottom:calc(var(--rf-gap) * 3)}.rf-page-head__title{text-wrap:balance;margin-top:16px;font-family:var(--rf-font-editorial);font-size:clamp(32px,3.5vw,44px);line-height:1.4;font-weight:500;letter-spacing:0;color:var(--rf-color-primary)}.rf-page-head__lead{margin-top:20px;max-width:640px;font-size:16px;line-height:1.9;color:var(--rf-text-2)}@media(max-width:768px){.rf-container{padding-left:16px;padding-right:16px}.rf-section{padding:48px 0}.rf-section-title{font-size:28px}.rf-page-head__inner{padding-top:calc(var(--rf-gap) * 2);padding-bottom:calc(var(--rf-gap) * 2)}.rf-page-head__title{font-size:30px}main>:last-child{padding-top:28px;padding-bottom:28px}.rf-site-grid{grid-template-columns:1fr;gap:28px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.rf-card--hover,.rf-btn{transition:none}.rf-card--hover:hover{transform:none}}.platform-login[data-astro-cid-mq3erhud]{display:inline-flex;align-items:center;justify-content:space-between;gap:calc(var(--rf-gap) * 2);padding:var(--rf-gap) calc(var(--rf-gap) * 1.5);min-height:48px;color:var(--rf-surface);background-color:var(--rf-color-primary);font-size:14px;font-weight:500;white-space:nowrap;transition:background-color var(--rf-motion-base) var(--rf-ease-out)}.platform-login--compact[data-astro-cid-mq3erhud]{gap:calc(var(--rf-gap) * .5);min-height:44px;padding:0 var(--rf-gap)}.platform-login[data-astro-cid-mq3erhud] .site-icon{transition:transform var(--rf-motion-base) var(--rf-ease-out)}@media(hover:hover)and (pointer:fine){.platform-login[data-astro-cid-mq3erhud]:hover{background-color:var(--rf-color-accent)}.platform-login[data-astro-cid-mq3erhud]:hover .site-icon{transform:translate(var(--rf-hover-nudge))}}.platform-login[data-astro-cid-mq3erhud]:focus-visible{outline:2px solid var(--rf-color-primary);outline-offset:5px}.site-header[data-astro-cid-ctg3m53h]{position:sticky;top:0;z-index:100;background:var(--rf-surface);box-shadow:var(--rf-header-shadow)}@supports ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))){.site-header[data-astro-cid-ctg3m53h]{background:var(--rf-header-bg);backdrop-filter:blur(var(--rf-header-blur)) saturate(140%);-webkit-backdrop-filter:blur(var(--rf-header-blur)) saturate(140%)}}.site-header__inner[data-astro-cid-ctg3m53h]{height:var(--rf-topbar-height);display:flex;align-items:center;gap:24px}.site-header__brand[data-astro-cid-ctg3m53h]{display:flex;align-items:center;flex-shrink:0;transition:opacity var(--rf-motion-base) var(--rf-ease-out)}.site-header__logo[data-astro-cid-ctg3m53h]{height:34px;width:auto;object-fit:contain}.site-header__nav[data-astro-cid-ctg3m53h]{display:flex;align-items:center;gap:4px;flex:1}.site-header__link[data-astro-cid-ctg3m53h]{position:relative;white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 var(--rf-gap);font-size:14px;line-height:20px;font-weight:500;color:var(--rf-text-2);border-radius:var(--rf-radius-sm);transition:color var(--rf-motion-base) var(--rf-ease-out),background-color var(--rf-motion-base) var(--rf-ease-out)}.site-header__nav-item[data-astro-cid-ctg3m53h]{position:relative;display:flex;align-items:center;border-radius:var(--rf-radius-sm);transition:background-color var(--rf-motion-base) var(--rf-ease-out)}.site-header__submenu-toggle[data-astro-cid-ctg3m53h]{--submenu-optical-offset: 2px;padding-inline-start:calc(var(--rf-gap) + var(--submenu-optical-offset));padding-inline-end:calc(var(--rf-gap) - var(--submenu-optical-offset));gap:calc(var(--rf-gap) * .5);background:none;border:0;font-family:inherit;cursor:pointer}.site-header__submenu-label[data-astro-cid-ctg3m53h]{transform:translateY(-1px)}.site-header__submenu-toggle[data-astro-cid-ctg3m53h] svg,.site-header__mobile-group[data-astro-cid-ctg3m53h] summary[data-astro-cid-ctg3m53h] svg{flex-shrink:0;transition:transform var(--rf-motion-fast) var(--rf-ease-out)}.site-header__submenu-toggle[data-astro-cid-ctg3m53h][aria-expanded=true] svg{transform:rotate(180deg)}.site-header__submenu[data-astro-cid-ctg3m53h]{position:absolute;top:calc(100% + (var(--rf-topbar-height) - 44px) / 2);left:0;min-width:224px;margin:0;padding:calc(var(--rf-gap) * .5);list-style:none;background:var(--rf-surface);border:1px solid var(--rf-border);border-top:2px solid var(--rf-color-gold);border-radius:0 0 var(--rf-radius-sm) var(--rf-radius-sm);box-shadow:var(--rf-card-shadow-hover);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(calc(var(--rf-gap) * -.5));transition:opacity var(--rf-motion-fast) var(--rf-ease-out),transform var(--rf-motion-fast) var(--rf-ease-out),visibility 0s linear var(--rf-motion-fast)}.site-header__submenu[data-astro-cid-ctg3m53h]:before{content:"";position:absolute;bottom:100%;left:0;right:0;height:calc((var(--rf-topbar-height) - 44px) / 2 + var(--rf-gap) * .5)}.site-header__nav-item[data-astro-cid-ctg3m53h].is-submenu-open .site-header__submenu[data-astro-cid-ctg3m53h]{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0);transition-delay:0s}.site-header__submenu[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h],.site-header__mobile-children[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h]{display:flex;align-items:center;min-height:44px;padding:calc(var(--rf-gap) * .5);font-size:14px;color:var(--rf-text-2);transition:color var(--rf-motion-fast) var(--rf-ease-out),background-color var(--rf-motion-fast) var(--rf-ease-out)}.site-header__submenu[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h]{padding-inline:var(--rf-gap);border-radius:var(--rf-radius-sm)}.site-header__submenu[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h]:hover,.site-header__submenu[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h]:focus-visible,.site-header__submenu[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h][aria-current],.site-header__mobile-children[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h][aria-current]{color:var(--rf-color-primary);background:var(--rf-control-bg)}.site-header__submenu-toggle[data-astro-cid-ctg3m53h]:focus-visible,.site-header__submenu[data-astro-cid-ctg3m53h] a[data-astro-cid-ctg3m53h]:focus-visible{outline:2px solid var(--rf-color-primary);outline-offset:-2px}.site-header__mobile-group[data-astro-cid-ctg3m53h] summary[data-astro-cid-ctg3m53h]{display:flex;align-items:center;justify-content:space-between;gap:var(--rf-gap);min-height:44px;cursor:pointer;list-style:none}.site-header__mobile-group[data-astro-cid-ctg3m53h] summary[data-astro-cid-ctg3m53h]::-webkit-details-marker{display:none}.site-header__mobile-group[data-astro-cid-ctg3m53h][open] summary[data-astro-cid-ctg3m53h] svg{transform:rotate(180deg)}.site-header__mobile-group[data-astro-cid-ctg3m53h] summary[data-astro-cid-ctg3m53h]:focus-visible{outline:2px solid 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