:root{--frame5-lavender: #AABEFA;--frame5-lavender-soft: #D2DCFA;--frame5-ink: #1A1A2E;--frame5-primary: #0898F8;--frame5-surface: #FFFFFF;--frame5-radius: 18px;--nav-lavender: #D4E4FE;--nav-lavender-selected: #B3C5FF;--nav-lavender-selected-soft: #D4E4FE;--nav-row-idle: #F1F0F7;--nav-ink: #1D1B20;--nav-ink-muted: #49454F;--nav-panel: #FFFFFF;--nav-badge-bg: #DAE1FF;--nav-badge-ink: #4A5D92;--nav-row-radius: 10px;--md-sys-color-primary: #00639B;--md-sys-color-on-primary: #FFFFFF;--md-sys-color-primary-container: #CEE5FF;--md-sys-color-on-primary-container: #001D33;--md-sys-color-secondary: #50606F;--md-sys-color-on-secondary: #FFFFFF;--md-sys-color-secondary-container: #D3E4F6;--md-sys-color-on-secondary-container: #0C1D2A;--md-sys-color-tertiary: #7A4EA8;--md-sys-color-on-tertiary: #FFFFFF;--md-sys-color-tertiary-container: #F2DAFF;--md-sys-color-on-tertiary-container: #2C0B45;--md-sys-color-error: #BA1A1A;--md-sys-color-on-error: #FFFFFF;--md-sys-color-error-container: #FFDAD6;--md-sys-color-on-error-container: #410002;--md-sys-color-surface: #F5F6FA;--md-sys-color-surface-container-lowest: #FFFFFF;--md-sys-color-surface-container-low: #F2F3FA;--md-sys-color-surface-container: #ECEEF4;--md-sys-color-surface-container-high: #E6E8EE;--md-sys-color-surface-container-highest: #E1E2E8;--md-sys-color-on-surface: #191C20;--md-sys-color-on-surface-variant: #3A4048;--md-sys-color-outline: #72777F;--md-sys-color-outline-variant: #C5CAD2;--md-sys-color-inverse-surface: #2E3135;--md-sys-color-inverse-on-surface: #EFF0F7;--md-sys-color-inverse-primary: #96CCFF;--md-sys-color-surface-tint: #00639B;--surface: var(--md-sys-color-surface);--surface-alt: var(--md-sys-color-surface-container-low);--ink: var(--md-sys-color-on-surface);--muted: var(--md-sys-color-on-surface-variant);--primary: var(--md-sys-color-primary);--primary-on: var(--md-sys-color-on-primary);--primary-container: var(--md-sys-color-primary-container);--tonal: var(--md-sys-color-secondary-container);--tonal-ink: var(--md-sys-color-on-secondary-container);--error-soft: var(--md-sys-color-error-container);--radius-card: 20px;--radius-pill: 999px;--radius-small: 16px;--radius-pressed: 12px;--elevation-1: 0 1px 2px 0 color-mix(in srgb, var(--md-sys-color-on-surface) 6%, transparent);--elevation-2: 0 2px 6px 0 color-mix(in srgb, var(--md-sys-color-on-surface) 8%, transparent), 0 1px 2px 0 color-mix(in srgb, var(--md-sys-color-on-surface) 4%, transparent);--shadow-card: var(--elevation-1);--surface-tint-level1: color-mix( in srgb, var(--md-sys-color-surface-tint) 3%, var(--md-sys-color-surface-container-lowest) );--state-hover: 8%;--state-focus: 12%;--state-pressed: 10%;--state-disabled: .38;--space-card: 18px;--space-section: 48px;--space-inline: 16px;--feature-gap: 16px;--nav-h: 64px;--font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;--ease: cubic-bezier(.2, 0, 0, 1);--ease-spring: cubic-bezier(.2, 0, 0, 1);--ease-emphasized: cubic-bezier(.2, 0, 0, 1);--ease-emphasized-accel: cubic-bezier(.3, 0, 1, 1);--duration-nav: .24s;--duration-menu-icon: .2s;--duration-snackbar: .2s;--duration-dialog: .22s;--duration-press: .11s;--duration-fade: .15s;--duration-route: .22s;--duration-active: .16s;--cta-min-height: 48px;--cta-min-height-lg: 52px;--md-sys-typescale-display-small-font: var(--font);--md-sys-typescale-display-small-size: 3rem;--md-sys-typescale-display-small-line-height: 3.5rem;--md-sys-typescale-display-small-weight: 700;--md-sys-typescale-display-small-tracking: -.03em;--md-sys-typescale-title-large-font: var(--font);--md-sys-typescale-title-large-size: 1.375rem;--md-sys-typescale-title-large-line-height: 1.75rem;--md-sys-typescale-title-large-weight: 600;--md-sys-typescale-title-large-tracking: 0;--md-sys-typescale-headline-small-font: var(--font);--md-sys-typescale-headline-small-size: 1.5rem;--md-sys-typescale-headline-small-line-height: 2rem;--md-sys-typescale-headline-small-weight: 400;--md-sys-typescale-headline-small-tracking: 0;--md-sys-typescale-title-medium-font: var(--font);--md-sys-typescale-title-medium-size: 1rem;--md-sys-typescale-title-medium-line-height: 1.5rem;--md-sys-typescale-title-medium-weight: 500;--md-sys-typescale-title-medium-tracking: .009375em;--md-sys-typescale-body-large-font: var(--font);--md-sys-typescale-body-large-size: 1rem;--md-sys-typescale-body-large-line-height: 1.5rem;--md-sys-typescale-body-large-weight: 400;--md-sys-typescale-body-large-tracking: .03125em;--md-sys-typescale-body-medium-font: var(--font);--md-sys-typescale-body-medium-size: .875rem;--md-sys-typescale-body-medium-line-height: 1.25rem;--md-sys-typescale-body-medium-weight: 400;--md-sys-typescale-body-medium-tracking: .01786em;--md-sys-typescale-body-small-font: var(--font);--md-sys-typescale-body-small-size: .75rem;--md-sys-typescale-body-small-line-height: 1rem;--md-sys-typescale-body-small-weight: 400;--md-sys-typescale-body-small-tracking: .0333em;--md-sys-typescale-label-large-font: var(--font);--md-sys-typescale-label-large-size: .875rem;--md-sys-typescale-label-large-line-height: 1.25rem;--md-sys-typescale-label-large-weight: 500;--md-sys-typescale-label-large-tracking: .00714em;--md-sys-typescale-label-medium-font: var(--font);--md-sys-typescale-label-medium-size: .75rem;--md-sys-typescale-label-medium-line-height: 1rem;--md-sys-typescale-label-medium-weight: 500;--md-sys-typescale-label-medium-tracking: .04167em;--md-sys-typescale-label-small-font: var(--font);--md-sys-typescale-label-small-size: .6875rem;--md-sys-typescale-label-small-line-height: 1rem;--md-sys-typescale-label-small-weight: 500;--md-sys-typescale-label-small-tracking: .04545em;--label-medium-size: var(--md-sys-typescale-label-medium-size);--label-medium-weight: var(--md-sys-typescale-label-medium-weight);--label-medium-tracking: var(--md-sys-typescale-label-medium-tracking)}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:64px}body{margin:0;min-height:100vh;font-family:var(--md-sys-typescale-body-large-font);font-size:var(--md-sys-typescale-body-large-size);font-weight:var(--md-sys-typescale-body-large-weight);line-height:var(--md-sys-typescale-body-large-line-height);letter-spacing:var(--md-sys-typescale-body-large-tracking);color:var(--md-sys-color-on-surface);background:var(--md-sys-color-surface);-webkit-font-smoothing:antialiased}img,svg{display:block}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}:focus{outline:none}:focus-visible{outline:2px solid var(--md-sys-color-primary);outline-offset:2px}*{scrollbar-width:thin;scrollbar-color:var(--md-sys-color-outline-variant) transparent}*::-webkit-scrollbar{width:6px;height:6px}*::-webkit-scrollbar-thumb{background:var(--md-sys-color-outline-variant);border-radius:999px}*::-webkit-scrollbar-track{background:transparent}.skip-link{position:absolute;left:-9999px;top:0;z-index:1000;padding:8px 16px;background:var(--md-sys-color-surface-container-lowest);color:var(--md-sys-color-on-surface);border-radius:var(--radius-pill);font-size:var(--md-sys-typescale-label-large-size);font-weight:var(--md-sys-typescale-label-large-weight);letter-spacing:var(--md-sys-typescale-label-large-tracking)}.skip-link:focus{left:12px;top:12px}.muted{color:var(--md-sys-color-on-surface-variant)}.card{background:var(--md-sys-color-surface-container-lowest);border-radius:var(--radius-card);box-shadow:none;border:1px solid var(--md-sys-color-outline-variant)}:root{--drawer-w: 360px;--drawer-inset: 16px;--side-nav-w: 0px}.app-shell{min-height:100vh;display:flex;flex-direction:column;margin:0;padding-left:0;width:100%;max-width:100%}.top-bar{position:sticky;top:0;z-index:220;height:64px;height:var(--nav-h);min-height:64px;max-height:var(--nav-h);padding:0;box-sizing:border-box;overflow:visible;background:#f3edf7;border-bottom:none;backdrop-filter:none;-webkit-backdrop-filter:none}.top-bar-inner{height:100%;padding:0 8px 0 4px;padding-block:0;display:grid;grid-template-columns:48px 1fr 48px;align-items:center;align-content:center;gap:4px;max-width:none;box-sizing:border-box;overflow:visible}.top-bar-menu{justify-self:start;align-self:center;visibility:visible;pointer-events:auto}.top-bar-menu.nav-icon-btn,button.top-bar-menu{background:#dae1ff;border-radius:10px;color:#1d1b20}.top-bar-menu.nav-icon-btn:hover,button.top-bar-menu:hover{background:color-mix(in srgb,#DAE1FF 88%,#1D1B20);color:#1d1b20}.top-bar-menu.nav-icon-btn:focus-visible,button.top-bar-menu:focus-visible{background:#dae1ff;outline:2px solid #4A5D92;outline-offset:2px}.top-bar-menu.nav-icon-btn:active,button.top-bar-menu:active{background:color-mix(in srgb,#DAE1FF 82%,#1D1B20)}.top-bar-support.nav-icon-btn,button.top-bar-support{background:transparent;color:#1d1b20;border-radius:0}.top-bar-brand{justify-self:center;text-align:center;font-family:var(--md-sys-typescale-title-medium-font);font-size:1.0625rem;font-weight:600;line-height:1.5rem;letter-spacing:.009375em;color:#1d1b20;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nav-icon-btn{width:48px;height:48px;min-width:48px;min-height:48px;margin:0;padding:0;border:none;line-height:0;flex-shrink:0;align-self:center;box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;color:#1d1b20;background:transparent;transition:background .15s var(--ease)}.nav-icon-btn:hover{background:color-mix(in srgb,#1D1B20 8%,transparent)}.nav-icon-btn:focus-visible{outline:2px solid #B3C5FF;outline-offset:2px}.nav-icon-btn:active{background:color-mix(in srgb,#1D1B20 12%,transparent)}.top-bar-menu.nav-icon-btn,.top-bar-menu{background:#dae1ff;border-radius:10px;color:#1d1b20}.top-bar-menu.nav-icon-btn:hover,.top-bar-menu:hover{background:color-mix(in srgb,#DAE1FF 88%,#1D1B20);color:#1d1b20}.top-bar-menu.nav-icon-btn:focus-visible,.top-bar-menu:focus-visible{background:#dae1ff;outline:2px solid #4A5D92;outline-offset:2px}.top-bar-menu.nav-icon-btn:active,.top-bar-menu:active{background:color-mix(in srgb,#DAE1FF 82%,#1D1B20)}.top-bar-support.nav-icon-btn,.top-bar-support,button.top-bar-support{background:transparent!important;color:#1d1b20;border-radius:0;box-shadow:none;padding:0;align-self:center}.top-bar-support.nav-icon-btn:hover,.top-bar-support:hover,.top-bar-support.nav-icon-btn:active,.top-bar-support:active,.top-bar-support.nav-icon-btn:focus-visible,.top-bar-support:focus-visible{background:transparent!important;color:#1d1b20}.menu-toggle-icon{position:relative;display:block;width:18px;height:14px;flex-shrink:0}.menu-toggle-line{position:absolute;left:0;right:0;height:2px;border-radius:1px;background:currentColor;transform-origin:center;transition:transform var(--duration-menu-icon, .24s) var(--ease-spring),opacity var(--duration-menu-icon, .24s) var(--ease-spring)}.menu-toggle-line:nth-child(1){top:0}.menu-toggle-line:nth-child(2){top:6px}.menu-toggle-line:nth-child(3){top:12px}.top-bar-menu[aria-expanded=true] .menu-toggle-line:nth-child(1){transform:translateY(6px) rotate(45deg)}.top-bar-menu[aria-expanded=true] .menu-toggle-line:nth-child(2){opacity:0;transform:scaleX(0)}.top-bar-menu[aria-expanded=true] .menu-toggle-line:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.nav-icon-btn[hidden]{display:none!important}.nav-scrim{position:fixed;top:0;right:0;bottom:0;left:0;z-index:225;background:#00000052}.nav-scrim[hidden]{display:none!important}.side-nav{position:fixed;top:0;left:0;z-index:230;width:min(var(--drawer-w),88vw);max-width:88vw;height:100%;height:100dvh;margin:0;padding:0;background:var(--nav-panel);backdrop-filter:none;-webkit-backdrop-filter:none;display:flex;flex-direction:column;transform:translate(-105%);transition:transform var(--duration-nav) var(--ease-spring),box-shadow var(--duration-nav) var(--ease-spring);overflow:hidden;box-shadow:none;color:var(--nav-ink);border-right:none;pointer-events:none}.side-nav.is-open{transform:translate(0);box-shadow:var(--elevation-2);z-index:230;pointer-events:auto}.side-nav-header{display:flex;align-items:center;justify-content:flex-start;gap:0;min-height:64px;height:64px;padding:8px var(--drawer-inset);box-sizing:border-box;flex-shrink:0}.side-nav-brand,.side-nav.is-open .side-nav-brand,.side-nav-brand-text{display:none!important}.nav-icon-btn.side-nav-toggle,.side-nav-toggle{position:relative;flex-shrink:0;margin-left:0;margin-right:0;width:48px;height:48px;min-width:48px;min-height:48px;padding:0;display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;border-radius:10px;color:#e3e3e3;background:#4a5d92}.nav-icon-btn.side-nav-toggle:hover,.side-nav-toggle:hover{background:color-mix(in srgb,#4A5D92 88%,#FFFFFF);color:#e3e3e3}.nav-icon-btn.side-nav-toggle:focus-visible,.side-nav-toggle:focus-visible{outline:2px solid #B3C5FF;outline-offset:2px;background:#4a5d92;color:#e3e3e3}.nav-icon-btn.side-nav-toggle:active,.side-nav-toggle:active{background:color-mix(in srgb,#4A5D92 92%,#1D1B20);color:#e3e3e3}.side-nav-toggle svg.icon-menu,.side-nav-toggle svg.icon-chevron{display:block;width:24px;height:24px;margin:0;flex-shrink:0}.side-nav-toggle svg[hidden]{display:none!important}.side-nav-toggle .icon-menu{display:none!important}.side-nav-toggle .icon-chevron{display:block!important;color:#e3e3e3;stroke:#e3e3e3}.side-nav-toggle svg{color:#e3e3e3}.side-nav-list{padding:4px var(--drawer-inset) 24px;overflow-x:hidden;overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:4px}.side-nav-item{position:relative;display:flex;align-items:center;gap:12px;width:100%;min-height:48px;padding:0 16px;border-radius:var(--nav-row-radius);font-family:var(--md-sys-typescale-label-large-font);font-size:var(--md-sys-typescale-label-large-size);font-weight:500;line-height:var(--md-sys-typescale-label-large-line-height);letter-spacing:var(--md-sys-typescale-label-large-tracking);text-align:left;color:#1d1b20;background:var(--nav-row-idle);transition:background var(--duration-active, .16s) var(--ease-emphasized, var(--ease)),color var(--duration-active, .16s) var(--ease-emphasized, var(--ease)),font-weight var(--duration-active, .16s) var(--ease-emphasized, var(--ease))}.side-nav-item:hover{background:color-mix(in srgb,var(--nav-lavender-selected) 35%,var(--nav-row-idle));color:#1d1b20}.side-nav-item:focus-visible{outline:2px solid #B3C5FF;outline-offset:2px;background:color-mix(in srgb,#B3C5FF 45%,var(--nav-row-idle))}.side-nav-item.is-active{background:#b3c5ff;color:#1d1b20;font-weight:600;border-radius:var(--nav-row-radius)}.side-nav-item.is-active:before{content:none;display:none}.side-nav-item:not([data-nav=home])>.side-nav-icon{display:none}.side-nav-item[data-nav=home]>.side-nav-icon{display:inline-flex}.side-nav-icon{flex-shrink:0;width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;color:inherit}.side-nav-icon svg{display:block}.side-nav-label{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.side-nav-chevron{flex-shrink:0;margin-left:auto;transition:transform .2s var(--ease);color:inherit;opacity:1}.side-nav-expand[aria-expanded=true] .side-nav-chevron{transform:rotate(180deg)}.side-nav-group{margin:4px 0 0;display:flex;flex-direction:column;gap:4px}.side-nav-versions-label{margin:8px 4px 0;padding:0 12px;font-family:var(--md-sys-typescale-label-medium-font);font-size:.75rem;font-weight:500;line-height:1rem;letter-spacing:.04em;color:#49454f}.side-nav-divider{height:1px;margin:8px 4px 0;background:#cac4d0;border:0}.side-nav-sub{padding:0;display:flex;flex-direction:column;gap:4px}.side-nav-sub-item{display:flex;align-items:center;gap:8px;min-height:48px;padding:0 16px;margin:0;border-radius:var(--nav-row-radius);font-family:var(--md-sys-typescale-label-large-font);font-size:var(--md-sys-typescale-label-large-size);font-weight:500;line-height:var(--md-sys-typescale-label-large-line-height);letter-spacing:var(--md-sys-typescale-label-large-tracking);color:#1d1b20;background:var(--nav-row-idle);transition:background var(--duration-active, .16s) var(--ease-emphasized, var(--ease)),color var(--duration-active, .16s) var(--ease-emphasized, var(--ease)),font-weight var(--duration-active, .16s) var(--ease-emphasized, var(--ease))}.side-nav-sub-item:hover:not(.side-nav-sub-disabled){background:color-mix(in srgb,#B3C5FF 35%,var(--nav-row-idle));color:#1c1b1f}.side-nav-sub-item:focus-visible:not(.side-nav-sub-disabled){outline:2px solid #B3C5FF;outline-offset:2px;background:color-mix(in srgb,#B3C5FF 45%,var(--nav-row-idle))}.side-nav-sub-item.is-active,.side-nav-sub-item[aria-current=page]{background:#b3c5ff;color:#1d1b20;font-weight:600}.side-nav-sub-item.is-active:hover,.side-nav-sub-item[aria-current=page]:hover{background:#b3c5ff;color:#1d1b20}.side-nav-sub-disabled{color:color-mix(in srgb,#1C1B1F 55%,transparent);cursor:default;pointer-events:none}.badge-soon{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;box-sizing:border-box;min-width:64px;height:24px;padding:0 8px;border-radius:5px;background:#dae1ff;color:#4a5d92;font-family:var(--md-sys-typescale-label-small-font);font-size:var(--md-sys-typescale-label-small-size);font-weight:var(--md-sys-typescale-label-small-weight);line-height:24px;letter-spacing:var(--md-sys-typescale-label-small-tracking);pointer-events:none}.section-inner{max-width:1200px;margin:0 auto;padding:0 var(--space-inline)}.section-label{margin:0 0 14px;font-family:var(--md-sys-typescale-label-medium-font);font-size:var(--md-sys-typescale-label-medium-size);font-weight:600;line-height:var(--md-sys-typescale-label-medium-line-height);letter-spacing:.08em;text-transform:none;color:var(--md-sys-color-on-surface-variant)}.hero{position:relative;isolation:isolate;scroll-margin-top:64px;overflow:hidden;padding:28px var(--space-inline) var(--space-section);background:linear-gradient(165deg,color-mix(in srgb,var(--frame5-lavender, #AABEFA) 92%,#ffffff),color-mix(in srgb,var(--frame5-lavender-soft, #D2DCFA) 88%,#ffffff) 55%,color-mix(in srgb,var(--frame5-lavender-soft, #D2DCFA) 40%,#ffffff));color:var(--frame5-ink, #1A1A2E)}.hero-mesh{position:absolute;inset:-10% -15% auto -10%;height:min(80%,560px);z-index:0;pointer-events:none;background:radial-gradient(ellipse 50% 48% at 82% 22%,color-mix(in srgb,#ffffff 55%,transparent),transparent 70%),radial-gradient(ellipse 40% 42% at 12% 0%,color-mix(in srgb,var(--frame5-lavender, #AABEFA) 50%,transparent),transparent 68%);opacity:.95}.hero-grid{position:relative;z-index:1;max-width:1200px;margin:0 auto;display:flex;flex-direction:column;gap:8px}.hero-copy{position:relative;z-index:2;display:flex;flex-direction:column;gap:0;max-width:40rem;min-width:0;overflow:visible}.hero-copy .downloads-card,.hero-copy .hero-entry-chips{max-width:100%}.hero-title{margin:0 0 8px;display:flex;flex-direction:column;gap:4px;color:var(--frame5-ink, #1A1A2E);text-wrap:balance}.hero-title-en{font-family:var(--md-sys-typescale-display-small-font);font-size:clamp(2.6rem,7vw,3.5rem);font-weight:700;line-height:1.08;letter-spacing:-.035em}.hero-title-cn{font-family:var(--md-sys-typescale-title-large-font);font-size:clamp(1.125rem,2.5vw,1.375rem);font-weight:600;line-height:1.35;letter-spacing:.02em;color:color-mix(in srgb,var(--frame5-ink, #1A1A2E) 78%,transparent)}.hero-tagline{margin:0 0 28px;font-family:var(--md-sys-typescale-body-large-font);font-size:clamp(1.125rem,2.2vw,1.375rem);font-weight:500;line-height:1.45;letter-spacing:.02em;color:color-mix(in srgb,var(--frame5-ink, #1A1A2E) 70%,transparent)}.hero-actions{margin-bottom:24px;scroll-margin-top:64px}.downloads-root{display:block}.downloads-card{background:var(--md-sys-color-surface-container-lowest);border-radius:var(--radius-card);box-shadow:none;border:1px solid var(--md-sys-color-outline-variant);overflow:hidden;padding:4px 0}.platform-section{padding:0;background:transparent;border:none;box-shadow:none;border-radius:0}.platform-section+.platform-section{border-top:none;box-shadow:inset 0 1px color-mix(in srgb,var(--md-sys-color-outline-variant) 55%,transparent)}.platform-section.is-highlighted{background:color-mix(in srgb,var(--md-sys-color-primary) 4%,var(--md-sys-color-surface-container-lowest));box-shadow:inset 3px 0 0 0 var(--md-sys-color-primary)}.platform-section:first-child.is-highlighted{box-shadow:inset 3px 0 0 0 var(--md-sys-color-primary)}.platform-head{display:flex;align-items:center;gap:10px;margin:0;min-height:48px;padding:12px 20px 8px;border-bottom:1px solid color-mix(in srgb,var(--md-sys-color-outline-variant) 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72%,transparent);font-family:var(--md-sys-typescale-body-medium-font);font-size:var(--md-sys-typescale-body-medium-size);font-weight:var(--md-sys-typescale-body-medium-weight);line-height:1.55;letter-spacing:var(--md-sys-typescale-body-medium-tracking)}.feature-cards{display:grid;gap:20px;grid-template-columns:1fr;align-items:stretch;max-width:1100px;margin:0 auto}.feature-card{display:flex;flex-direction:column;height:100%;min-height:100%;padding:22px;background:var(--frame5-surface, #ffffff);border-radius:var(--frame5-radius, 18px);box-shadow:0 1px 2px color-mix(in srgb,var(--frame5-ink, #1A1A2E) 5%,transparent);border:1px solid color-mix(in srgb,var(--frame5-lavender, #AABEFA) 35%,transparent);transition:border-color var(--duration-fade) var(--ease-spring)}.feature-card:hover{box-shadow:0 1px 3px color-mix(in srgb,var(--frame5-ink, #1A1A2E) 7%,transparent);border-color:color-mix(in srgb,var(--frame5-primary, #0898F8) 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1100px){.channel-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}.channel-card{min-height:48px}.channel-icon{width:44px;height:44px;min-width:40px;min-height:40px;max-width:48px;max-height:48px;border-radius:10px;object-fit:cover;flex-shrink:0}.channel-name{font-family:var(--md-sys-typescale-label-large-font);font-size:var(--md-sys-typescale-label-large-size);font-weight:var(--md-sys-typescale-label-large-weight);line-height:var(--md-sys-typescale-label-large-line-height);letter-spacing:var(--md-sys-typescale-label-large-tracking);color:var(--md-sys-color-on-surface);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.about{padding:0 0 var(--space-section);scroll-margin-top:64px}.about-root{max-width:1200px;margin:0 auto}.about-header{margin-bottom:0}.about-title{margin:0 0 8px;font-family:var(--md-sys-typescale-headline-small-font);font-size:var(--md-sys-typescale-headline-small-size);font-weight:var(--md-sys-typescale-headline-small-weight);line-height:var(--md-sys-typescale-headline-small-line-height);letter-spacing:var(--md-sys-typescale-headline-small-tracking);color:var(--md-sys-color-on-surface)}.about-tagline{margin:0 0 24px;font-family:var(--md-sys-typescale-body-large-font);font-size:var(--md-sys-typescale-body-large-size);font-weight:var(--md-sys-typescale-body-large-weight);line-height:var(--md-sys-typescale-body-large-line-height);letter-spacing:var(--md-sys-typescale-body-large-tracking);color:var(--md-sys-color-on-surface-variant)}.about-subsection-title{margin:32px 0 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var(--ease-spring);color:inherit;font:inherit}.member-card:hover{background:color-mix(in srgb,var(--md-sys-color-on-surface) var(--state-hover),var(--md-sys-color-surface-container-lowest));box-shadow:none;border-color:var(--md-sys-color-outline-variant)}.member-card:focus-visible{outline:2px solid var(--md-sys-color-primary);outline-offset:2px}.member-card:active{transform:scale(.98);background:color-mix(in srgb,var(--md-sys-color-on-surface) var(--state-pressed),var(--md-sys-color-surface-container-lowest))}.member-avatar{width:64px;height:64px;border-radius:50%;object-fit:cover;flex-shrink:0;background:var(--md-sys-color-surface-container-high);box-shadow:0 0 0 1px color-mix(in srgb,var(--md-sys-color-outline-variant) 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0 14px;font-family:var(--md-sys-typescale-headline-small-font);font-size:var(--md-sys-typescale-headline-small-size);font-weight:600;line-height:var(--md-sys-typescale-headline-small-line-height);letter-spacing:-.02em;color:var(--md-sys-color-on-surface)}.about-block-helper{margin:-2px 0 16px;font-family:var(--md-sys-typescale-body-medium-font);font-size:var(--md-sys-typescale-body-medium-size);font-weight:var(--md-sys-typescale-body-medium-weight);line-height:var(--md-sys-typescale-body-medium-line-height);letter-spacing:var(--md-sys-typescale-body-medium-tracking);color:var(--md-sys-color-on-surface-variant)}.friend-grid{display:grid;grid-template-columns:1fr;gap:12px}@media (min-width: 600px){.friend-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}}.friend-card{display:flex;align-items:center;gap:14px;width:100%;min-width:0;box-sizing:border-box;padding:16px 18px;border-radius:var(--radius-card);border:1px solid color-mix(in srgb,var(--md-sys-color-outline-variant) 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.downloads-card,.download-variant-card{background:#fff;border-radius:var(--frame5-radius, 18px);border:1px solid color-mix(in srgb,var(--frame5-lavender, #AABEFA) 40%,transparent);box-shadow:0 2px 10px color-mix(in srgb,var(--frame5-ink, #1A1A2E) 6%,transparent);padding:20px 20px 18px}.download-variant-card .variant-label{font-size:1.125rem;font-weight:700;margin:0 0 4px}.download-variant-card .variant-blurb{margin:0 0 16px;color:color-mix(in srgb,var(--frame5-ink, #1A1A2E) 65%,transparent)}.download-variant-card .btn{width:100%;justify-content:center;min-height:48px}.download-steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}.download-step{display:grid;grid-template-columns:36px 1fr;gap:12px;align-items:start;background:#fff;border-radius:14px;padding:14px 16px;border:1px solid color-mix(in srgb,var(--frame5-lavender, #AABEFA) 28%,transparent)}.download-step-num{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:color-mix(in srgb,var(--frame5-primary, #0898F8) 14%,#fff);color:var(--frame5-primary, #0898F8);font-weight:700}.download-step-title{margin:0 0 4px;font-size:.9875rem;font-weight:700;color:var(--frame5-ink, #1A1A2E)}.download-step-body{margin:0;font-size:.875rem;line-height:1.45;color:color-mix(in srgb,var(--frame5-ink, #1A1A2E) 68%,transparent)}.download-step-link{color:var(--frame5-primary, #0898F8);font-weight:600;text-decoration:none}.download-cross{margin:8px 0 0;font-size:.9375rem;color:color-mix(in srgb,var(--frame5-ink, #1A1A2E) 70%,transparent)}.download-cross a{color:var(--frame5-primary, #0898F8);font-weight:700;text-decoration:none}.hero-copy{display:flex;flex-direction:column;align-items:flex-start;gap:16px}.hero-badge-img{display:block;width:63px;height:24px;flex:0 0 auto}.hero-title{margin:0;padding:0;line-height:0}.hero-title-img{display:block;width:201px;max-width:100%;height:auto}.hero-subtitle{margin:0;padding:0;line-height:0}.hero-subtitle-img{display:block;width:221px;max-width:100%;height:auto}.hero-attribution{margin:0;padding:0;line-height:0}.hero-attribution-img{display:block;width:230px;max-width:100%;height:auto}.hero-actions{margin-top:8px;margin-bottom:0;width:100%}.hero-entry-chips{display:none!important;flex-wrap:wrap;gap:12px;margin-top:0}.hero-entry-chip{display:flex;flex-direction:column;justify-content:center;gap:2px;min-width:min(100%,168px);min-height:48px;flex:1 1 160px;max-width:220px;padding:12px 18px;box-sizing:border-box;border-radius:999px;text-decoration:none;color:#fff;background:var(--frame5-primary, #0898F8);box-shadow:0 2px 10px color-mix(in srgb,var(--frame5-ink, #1A1A2E) 10%,transparent);transition:background .16s ease,transform .16s ease}.hero-entry-chip:hover{background:color-mix(in srgb,#000000 10%,var(--frame5-primary, #0898F8))}.hero-entry-chip:focus-visible{outline:2px solid var(--frame5-primary, #0898F8);outline-offset:3px}.hero-entry-chip-label{font-size:1rem;font-weight:700;line-height:1.25}.hero-entry-chip-blurb{font-size:.75rem;font-weight:500;opacity:.88;line-height:1.3}.hero-brand,.hero-tagline,.hero-title-en,.hero-title-cn{display:none!important}@media (min-width: 1200px){.hero-copy{position:relative;z-index:2;max-width:400px}.hero-visual{z-index:1;overflow:visible!important}.hero-stack-img{pointer-events:none}}