:root {
      --paper: #fbf8ef; --ink: #151514; --muted: #68665e; --pink: #f650a6;
      --yellow: #ffe979; --rule: #ddd9cd; --card: #fffdf7;
      --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
      --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 30px; }
    body { margin: 0; color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; background: var(--paper);
      background-image: linear-gradient(rgba(112,103,74,.039) 1px,transparent 1px),linear-gradient(90deg,rgba(112,103,74,.039) 1px,transparent 1px); background-size: 22px 22px; }
    button, a { -webkit-tap-highlight-color: transparent; }
    button { font: inherit; }
    a { color: inherit; }
    button, a, summary { touch-action: manipulation; }
    button { cursor: pointer; }
    a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--ink); outline-offset: 5px; }
    ::selection { background: var(--yellow); color: var(--ink); }
    img { max-width: 100%; display: block; }
    svg { display: block; flex: 0 0 auto; }
    [hidden] { display: none !important; }
    .wrap { width: min(1180px, calc(100% - 88px)); margin-inline: auto; }
    .mono { font-family: var(--mono); }
    .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
    .skip-link { position: fixed; top: 10px; left: 10px; transform: translateY(-150%); z-index: 100; background: var(--yellow); padding: 12px; border: 2px solid var(--ink); }
    .skip-link:focus { transform: none; }
    .site-header { display: flex; align-items: center; justify-content: space-between; min-height: 106px; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 13px; text-decoration: none; font: 900 31px/1 var(--mono); letter-spacing: -1.2px; }
    .brand img { width: 41px; height: 42px; object-fit: contain; }
    .nav { display: flex; align-items: center; gap: 30px; }
    .nav > a:not(.button) { font: 12px/1.5 var(--mono); text-decoration: none; padding-block: 10px; }
    .nav > a:not(.button):hover { text-decoration: underline; text-underline-offset: 6px; }
    .button { border: 2px solid var(--ink); border-radius: 2px; box-shadow: 4px 4px 0 var(--ink); background: var(--paper); padding: 15px 21px; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 11px; font-weight: 750; line-height: 1.3; transition: transform .14s, box-shadow .14s, background .14s; }
    .button:hover:not([aria-disabled="true"]) { transform: translate(-1px,-1px); box-shadow: 5px 5px 0 var(--ink); }
    .button:active:not([aria-disabled="true"]) { transform: translate(3px,3px); box-shadow: 1px 1px 0 var(--ink); }
    .button.pink { background: var(--pink); }
    .button.small { font: 800 13px/1.3 var(--mono); padding: 12px 21px; }
    .button[aria-disabled="true"] { cursor: not-allowed; }
    .button .icon { width: 23px; height: 23px; }
    .hero { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(0,1fr); gap: 42px; align-items: center; padding: 37px 0 39px; position: relative; }
    .hero-copy { padding-bottom: 15px; }
    .sticker { display: inline-block; padding: 8px 15px; border: 1.5px solid var(--ink); box-shadow: 3px 3px 0 var(--ink); background: var(--yellow); font-size: 13px; line-height: 1.4; font-weight: 750; }
    .eyebrow { transform: rotate(-1deg); margin-bottom: 24px; }
    h1 { margin: 0 0 23px; font-weight: 900; font-size: clamp(38px,4.5vw,61px); line-height: 1.25; letter-spacing: -2.8px; }
    h1 span { display: block; white-space: nowrap; }
    h1 .accent { color: var(--pink); }
    h1 .wordmark { display: inline; font-family: var(--mono); letter-spacing: -3.4px; font-size: 1.12em; }
    .intro-title { font-size: 19px; font-weight: 750; margin: 0 0 8px; }
    .intro { max-width: 500px; margin: 0; font-size: 16px; line-height: 1.95; color: #49473f; }
    .tags { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 29px; }
    .tags .sticker { font-size: 13px; padding: 7px 12px; }
    .hero-actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
    .hero-actions .button { min-height: 56px; font-size: 16px; }
    .hero-actions .primary { min-width: 213px; }
    .under-cta { color: var(--muted); font-size: 12px; line-height: 1.8; margin: 16px 0 0; }
    .under-cta .status-dot { width: 6px; height: 6px; display: inline-block; margin-right: 6px; vertical-align: 2px; background: #777166; border-radius: 50%; }
    .hero-stage { position: relative; min-height: 547px; display: flex; flex-direction: column; align-items: center; justify-content: center; }
    .hero-stage::before { content: ''; position: absolute; z-index: -1; width: 440px; height: 460px; max-width: 100%; border-radius: 50%; background: radial-gradient(ellipse,rgba(255,234,162,.24),rgba(246,80,166,.045) 45%,transparent 70%); }
    .app { width: 288px; background: #fff; border: 1.2px solid var(--ink); border-radius: 12px; overflow: hidden; box-shadow: 9px 12px 0 rgba(32,29,20,.085),0 12px 25px rgba(32,29,20,.09); flex: 0 0 auto; }
    .app-demo { width: 288px; height: auto; display: block; border: 1.2px solid var(--ink); border-radius: 12px; box-shadow: 9px 12px 0 rgba(32,29,20,.085),0 12px 25px rgba(32,29,20,.09); flex: 0 0 auto; }
    .app-chrome { height: 29px; border-bottom: 1px solid #e8e7e2; padding: 0 12px; display: flex; align-items: center; gap: 11px; background: linear-gradient(#fff,#fbfbf9); font: 10px/1 var(--sans); color: #666; }
    .traffic { display: inline-flex; gap: 5px; flex: 0 0 auto; }
    .traffic i { width: 8px; height: 8px; border: 1px solid var(--ink); border-radius: 50%; background: #ff7577; }
    .traffic i:nth-child(2) { background: #ffe274; }
    .traffic i:nth-child(3) { background: #9dcb87; }
    .app-chrome .traffic i { background: #dedede; border: none; }
    .app-body { padding: 20px 22px 24px; }
    .app-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 4px; }
    .app-tool { display: inline-flex; gap: 4px; align-items: center; font: 8px/1 var(--mono); white-space: nowrap; }
    .app-tool svg { width: 13px; height: 13px; }
    .app-title { font: 900 15px/1 var(--mono); letter-spacing: -.5px; }
    .knight-art { width: 195px; height: 210px; object-fit: contain; margin: 20px auto 0; }
    .rank { font: 800 24px/1.15 var(--mono); margin: 4px 0 7px; text-align: center; letter-spacing: 1.1px; }
    .exp { font: 600 11px/1.5 var(--mono); margin: 0; text-align: center; }
    .exp-bar { margin-top: 21px; border: 1.2px solid var(--ink); border-radius: 12px; height: 10px; overflow: hidden; background: white; }
    .exp-fill { width: 17%; height: 100%; background: var(--ink); border-radius: 10px; }
    .exp-range { display: flex; justify-content: space-between; margin-top: 6px; font: 8px/1.4 var(--mono); }
    .send { display: flex; align-items: center; justify-content: space-between; width: 100%; border: 0; border-radius: 30px; background: #111; color: #fff; padding: 12px 16px; margin-top: 17px; font: 900 19px/1 var(--mono); letter-spacing: .7px; transition: transform .15s, background .15s; }
    .send:hover { background: #30302c; transform: translateY(-1px); }
    .send:active { transform: translateY(1px); }
    .send svg { width: 13px; height: 13px; }
    .stage-caption { margin: 21px 0 0; font-size: 10px; color: var(--muted); letter-spacing: .2px; text-align: center; }
    .hand-note { position: absolute; right: -36px; top: 173px; font-size: 16px; line-height: 1.6; font-weight: 650; transform: rotate(8deg); }
    .hand-note svg { width: 74px; height: 72px; margin: 9px 0 0 -17px; }
    .sparkle { position: absolute; width: 22px; height: 22px; }
    .sparkle.one { top: 72px; right: 28px; transform: rotate(8deg); }
    .sparkle.two { bottom: 91px; right: 26px; width: 28px; height: 28px; }
    .section { margin-top: 54px; }
    .features { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 23px; }
    .window { background: var(--card); border: 1.5px solid var(--ink); border-radius: 4px; box-shadow: 5px 5px 0 var(--ink); }
    .window-bar { min-height: 29px; padding: 8px 11px; border-bottom: 1px solid var(--ink); display: flex; align-items: center; gap: 17px; background: #efeee8; border-radius: 3px 3px 0 0; }
    .feature-body { padding: 24px 22px 25px; }
    .feature-icon { width: 34px; height: 34px; margin-bottom: 17px; stroke-width: 1.7; }
    .feature h3 { margin: 0 0 10px; font-size: 18px; line-height: 1.4; letter-spacing: -.4px; }
    .feature p { margin: 0; font-size: 14px; line-height: 1.85; color: #545149; }
    .steps-window { margin-top: 59px; }
    .steps-window .window-bar { padding: 12px 17px; }
    .window-heading { margin: 0; font: 800 15px/1.3 var(--mono); }
    .bar-note { margin-left: auto; font: 10px/1.5 var(--mono); color: #646156; }
    .steps { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); padding: 30px 19px 29px; margin: 0; list-style: none; }
    .step { padding: 0 18px; position: relative; }
    .step + .step { border-left: 1px dashed #d3cfc1; }
    .step-icon { width: 32px; height: 32px; margin-bottom: 17px; }
    .step h3 { margin: 0 0 10px; font-size: 16px; line-height: 1.5; }
    .step-number { display: inline-block; font-family: var(--mono); margin-right: 5px; }
    .step p { margin: 0; font-size: 13px; color: #555249; line-height: 1.9; }
    .step-final img { width: 35px; height: 33px; object-fit: contain; }
    .bottom-row { display: grid; grid-template-columns: 1.06fr 1fr; gap: 47px; margin-top: 53px; align-items: center; }
    .mascot-story { display: flex; align-items: center; gap: 9px; position: relative; min-width: 0; }
    .mascot-story > img { width: 176px; flex-shrink: 0; margin-left: -3px; }
    .speech { border: 1.5px solid var(--ink); border-radius: 4px; padding: 20px 19px 17px; background: var(--card); position: relative; margin: 0; box-shadow: 3px 3px 0 #e8e3d6; }
    .speech::before { content: ''; position: absolute; width: 13px; height: 13px; background: var(--card); border-left: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); left: -8px; top: 33px; transform: rotate(45deg); }
    .speech p { margin: 0; font-size: 16px; line-height: 1.9; }
    .speech .caption { display: block; text-align: right; font: 700 11px/1.5 var(--mono); margin-top: 10px; }
    .download-card { padding: 25px 28px 24px; }
    .download-kicker { font: 11px/1.3 var(--mono); display: flex; gap: 7px; align-items: center; margin-bottom: 12px; color: #6f695c; }
    .download-kicker::before { content: ''; width: 6px; height: 6px; background: var(--ink); border-radius: 50%; }
    .download-card h2 { margin: 0 0 9px; font-size: 25px; line-height: 1.3; letter-spacing: -.8px; }
    .download-card > p { margin: 0 0 19px; font-size: 14px; line-height: 1.8; color: #535046; }
    .download-card .button { display: flex; width: 100%; font-size: 18px; min-height: 56px; }
    .download-meta { font-size: 10px; margin: 14px 0 0; color: #686355; line-height: 1.9; overflow-wrap: anywhere; }
    .checksum { display: block; font-family: var(--mono); font-size: 10px; overflow-wrap: anywhere; margin-top: 7px; }
    .faq-section { display: grid; grid-template-columns: 1fr 2.35fr; gap: 72px; margin-top: 72px; padding-top: 30px; border-top: 1px solid #d9d4c6; }
    .kicker { font: 11px/1.5 var(--mono); letter-spacing: 1.2px; margin: 0 0 12px; }
    .faq-section h2 { font-size: 27px; line-height: 1.5; margin: 0; font-weight: 800; letter-spacing: -1px; }
    details { border-bottom: 1px solid #d9d4c6; }
    summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 17px 0; cursor: pointer; list-style: none; font-size: 14px; line-height: 1.6; font-weight: 650; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: '+'; font: 20px/1 var(--mono); font-weight: 400; }
    details[open] summary::after { content: '−'; }
    details p { margin: 0 30px 19px 0; font-size: 13px; line-height: 1.95; color: #625d51; }
    .site-footer { padding: 36px 0 26px; margin-top: 37px; }
    .footer-main { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
    .footer-brand { display: flex; align-items: center; gap: 14px; }
    .footer-logo { font: 900 19px/1.5 var(--mono); text-decoration: none; }
    .footer-tagline { font: 9px/1.7 var(--mono); letter-spacing: .6px; border-left: 1px solid var(--ink); padding-left: 14px; }
    .footer-links { display: flex; gap: 23px; font-size: 11px; }
    .footer-links a { text-decoration: none; }
    .footer-links a:hover { text-decoration: underline; text-underline-offset: 4px; }
    .text-button { background: none; border: none; padding: 0; color: inherit; font: inherit; cursor: pointer; text-decoration: none; }
    .text-button:hover { text-decoration: underline; text-underline-offset: 4px; }
    .footer-note { font-size: 10px; color: #777165; line-height: 1.9; margin: 17px 0 0; }
    dialog { max-width: min(510px,calc(100vw - 34px)); width: 510px; border: 2px solid var(--ink); padding: 0; border-radius: 5px; box-shadow: 8px 8px 0 var(--ink); background: var(--paper); color: var(--ink); }
    dialog::backdrop { background: rgba(30,26,20,.38); backdrop-filter: blur(3px); }
    .dialog-bar { background: #efeee8; border-bottom: 1px solid var(--ink); padding: 11px 15px; display: flex; align-items: center; justify-content: space-between; }
    .dialog-bar h2 { font: 750 12px/1.5 var(--mono); margin: 0; }
    .close-dialog { background: var(--card); border: 1px solid var(--ink); border-radius: 1px; width: 25px; height: 25px; font: 18px/1 var(--mono); display: grid; place-items: center; }
    .dialog-body { padding: 25px; }
    .dialog-body h3 { font-size: 23px; line-height: 1.4; margin: 0 0 9px; }
    .dialog-intro { font-size: 13px; line-height: 1.9; color: #625d51; margin: 0 0 22px; }
    .demo-list { padding: 0; margin: 0 0 24px; list-style: none; counter-reset: demo; }
    .demo-list li { display: flex; align-items: center; gap: 11px; border-bottom: 1px solid var(--rule); font-size: 13px; padding: 14px 0; }
    .demo-list li::before { content: counter(demo); counter-increment: demo; width: 22px; height: 22px; display: grid; place-items: center; border: 1px solid var(--ink); font: 11px/1 var(--mono); }
    .demo-list li[data-state="done"]::before { content: '✓'; background: var(--yellow); }
    .demo-list li[data-state="active"]::before { background: var(--pink); }
    .demo-status { font: 10px/1.5 var(--mono); margin-left: auto; color: #787266; }
    .demo-message { min-height: 43px; font-size: 12px; line-height: 1.8; color: #625d51; margin: 0 0 15px; }
    .dialog-body .button { width: 100%; font-size: 14px; }
    .privacy-content p { font-size: 13px; line-height: 1.95; color: #575247; margin: 0 0 16px; }
    .privacy-content p:last-child { margin-bottom: 0; }
    @media (min-width: 1450px) { .hero { gap: 63px; } }
    @media (max-width: 1170px) {
      .wrap { width: calc(100% - 64px); }
      .hero { gap: 24px; grid-template-columns: minmax(0,1.35fr) minmax(0,1fr); }
      h1 { font-size: 48px; }
      .hand-note { display: none; }
      .sparkle.one { right: 5px; }.sparkle.two { right: 1px; }
      .features { gap: 17px; }.feature-body { padding: 23px 17px; }
      .bottom-row { gap: 26px; }.mascot-story > img { width: 139px; }.speech { padding: 16px 13px; }.speech p { font-size: 14px; }
      .hero-actions { gap: 13px; }.hero-actions .button { font-size: 14px; padding-inline: 15px; }.hero-actions .primary { min-width: 188px; }
      .step { padding-inline: 14px; }.step h3 { font-size: 15px; }
    }
    @media (max-width: 950px) {
      .nav { gap: 19px; }.nav > a:not(.button) { font-size: 11px; }
      h1 { font-size: 40px; letter-spacing: -2px; }.hero { gap: 18px; }
      .hero-stage { min-height: 510px; }.app, .app-demo { width: 264px; }.app-body { padding-inline: 18px; }.knight-art { width: 175px; height: 189px; }.rank { font-size: 22px; }
      .intro { font-size: 14px; }.tags { gap: 9px; }.tags .sticker { font-size: 11px; padding: 6px 8px; }
      .hero-actions .button { font-size: 13px; padding: 13px 12px; min-height: 50px; }.hero-actions .primary { min-width: 166px; }.hero-actions .button .icon { width: 19px; height: 19px; }
      .sparkle { display: none; }.features { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 23px; }.feature-body { padding: 23px; }.feature h3 { font-size: 18px; }
      .steps { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px 0; padding: 28px 20px; }.step { padding-inline: 21px; }.step:nth-child(3) { border-left: none; }
      .bottom-row { grid-template-columns: 1fr 1fr; gap: 26px; }.mascot-story { flex-direction: column; align-items: center; gap: 0; }.mascot-story > img { width: 120px; }.speech { padding: 12px 17px; }.speech::before { left: 50%; top: -8px; transform: rotate(135deg); }
      .download-card { padding: 25px 21px; }.download-card h2 { font-size: 23px; }
      .faq-section { gap: 30px; grid-template-columns: 1fr 2fr; }.faq-section h2 { font-size: 24px; }
    }
    @media (max-width: 730px) {
      .wrap { width: calc(100% - 42px); }.site-header { min-height: 84px; gap: 12px; }.brand { font-size: 26px; gap: 9px; }.brand img { width: 33px; height: 36px; }
      .nav > a:not(.button) { display: none; }.nav .button.small { font-size: 11px; padding: 11px 15px; box-shadow: 3px 3px 0 var(--ink); }
      .hero { grid-template-columns: 1fr; gap: 16px; padding: 33px 0 24px; }.hero-copy { padding-bottom: 0; }.hero h1 { font-size: clamp(36px,7.4vw,54px); letter-spacing: -1.8px; margin-bottom: 22px; }
      .desktop-break, .feature p br, .step p br { display: none; }
      .hero .intro { max-width: 500px; font-size: 15px; }.eyebrow { margin-bottom: 23px; font-size: 12px; padding: 7px 12px; }.intro-title { font-size: 18px; }
      .tags { margin: 22px 0 26px; gap: 11px; }.tags .sticker { font-size: 12px; padding: 6px 9px; }
      .hero-actions { gap: 13px; }.hero-actions .button { font-size: 14px; min-height: 52px; padding: 13px 16px; }.hero-actions .primary { min-width: 188px; }
      .under-cta { font-size: 11px; }.hero-stage { min-height: 536px; margin-top: 5px; }.app, .app-demo { width: 282px; }.app-body { padding: 20px 22px 24px; }.knight-art { width: 191px; height: 205px; }.rank { font-size: 24px; }
      .stage-caption { margin-top: 19px; }.sparkle { display: block; }.sparkle.one { right: calc(50% - 176px); top: 82px; }.sparkle.two { right: auto; left: calc(50% - 170px); bottom: 101px; width: 21px; }
      .features { gap: 19px 17px; }.feature-body { padding: 20px 17px; }.feature-icon { width: 30px; height: 30px; margin-bottom: 16px; }.feature h3 { font-size: 16px; }.feature p { font-size: 12px; }
      .steps-window { margin-top: 39px; }.bar-note { display: none; }.steps-window .window-bar { padding: 11px 13px; }.window-heading { font-size: 13px; }.steps { padding: 25px 7px; gap: 27px 0; }.step { padding-inline: 15px; }.step h3 { font-size: 14px; }.step p { font-size: 12px; }.step-icon { width: 27px; height: 27px; margin-bottom: 13px; }
      .bottom-row { grid-template-columns: 1fr; margin-top: 33px; gap: 28px; }.mascot-story { flex-direction: row; justify-content: center; gap: 10px; min-height: 174px; }.mascot-story > img { width: 130px; }.speech { padding: 17px 13px; }.speech::before { left: -8px; top: 29px; transform: rotate(45deg); }.speech p { font-size: 13px; }
      .download-card { padding: 24px; }.download-card h2 { font-size: 25px; }.download-card .button { font-size: 17px; }
      .faq-section { grid-template-columns: 1fr; gap: 14px; margin-top: 44px; padding-top: 26px; }.faq-section h2 { font-size: 25px; }.kicker { margin-bottom: 7px; }.faq-section summary { font-size: 13px; }.faq-section details p { font-size: 12px; }
      .site-footer { margin-top: 22px; padding-top: 22px; }.footer-main { flex-direction: column; align-items: flex-start; gap: 20px; }.footer-tagline { font-size: 8px; letter-spacing: .1px; padding-left: 11px; }.footer-brand { gap: 11px; }.footer-links { gap: 24px; }.footer-note { font-size: 10px; }
    }
    @media (max-width: 380px) {
      .wrap { width: calc(100% - 32px); }.hero h1 { font-size: 33px; }.hero-actions { flex-direction: column; align-items: stretch; }.hero-actions .button { width: 100%; }.tags { gap: 8px; }.tags .sticker { padding-inline: 8px; font-size: 11px; }.features { gap: 17px 13px; }.feature-body { padding: 19px 13px; }.feature h3 { font-size: 15px; }.mascot-story > img { width: 105px; }.speech p { font-size: 12px; }.sparkle { display: none; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; }
    }

[data-knight] > svg { display:block; width:100%; height:100%; }
.story-knight { width:176px; aspect-ratio:254/266; flex-shrink:0; }
@media(max-width:600px) { .story-knight { width:120px; } }

.guide { max-width:800px; padding-block:50px 80px; }
.guide h1 { font-size:clamp(32px,5vw,52px); line-height:1.18; margin:18px 0 28px; }
.guide h2 { font-size:25px; margin-top:38px; }
.guide h3 { font-size:19px; margin-top:24px; }
.guide p,.guide li { font-size:16px; line-height:1.85; }
.guide li { margin-bottom:12px; }
.guide ol,.guide ul { padding-left:24px; }
.guide a,.text-link { text-decoration:underline; text-underline-offset:4px; }
.guide .note,.release-warning { background:#fff1bf; border:1px solid #b49c52; padding:16px; border-radius:8px; line-height:1.7; }
.guide code { overflow-wrap:anywhere; font-size:13px; }
.checksum { overflow-wrap:anywhere; word-break:break-all; }
.download-card [data-release-warning] { font-size:12px; text-align:left; }