@charset "UTF-8";

:root {
  color-scheme: light;
  --paper: #f8f7f3;
  --ink: #292735;
  --muted: #716e7b;
  --purple: #6554c0;
  --line: #e4e1e8;
  --green: #486e57;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: var(--paper); color: var(--ink); }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
button, a, summary { touch-action: manipulation; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid #a089e5; outline-offset: 5px; }
img, svg { vertical-align: middle; }
img { max-width: 100%; }
h1, h2, h3, p { margin: 0; }
[hidden] { display: none !important; }
.icon-definitions { width: 0; height: 0; position: absolute; overflow: hidden; }
.icon { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.container { width: min(1184px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; top: -70px; left: 16px; z-index: 100; padding: 12px 20px; background: white; border: 2px solid var(--purple); border-radius: 8px; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgb(248 247 243 / 94%); backdrop-filter: blur(16px); border-bottom: 1px solid rgb(228 225 232 / 75%); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 88px; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 22px; font-weight: 750; letter-spacing: .06em; flex-shrink: 0; }
.brand-suffix { font-size: 17px; font-weight: 500; margin-left: 5px; letter-spacing: .02em; }
.navigation { display: flex; gap: 36px; margin-left: auto; margin-right: 25px; font-size: 14px; color: #625e6c; }
.navigation a { padding-block: 12px; transition: color .2s; }
.navigation a:hover, .text-link:hover, .footer-bottom a:hover { color: var(--purple); }
.header-download { display: flex; align-items: center; gap: 18px; padding: 11px 18px; border: 1px solid #cac5d5; border-radius: 7px; font-size: 13px; font-weight: 650; transition: background .2s; }
.header-download:hover { background: #ece7f4; }
.header-download .icon { width: 17px; height: 17px; }
.hero { display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: 30px; padding-block: 56px 58px; min-height: 735px; }
.hero-copy { padding-block: 20px; position: relative; z-index: 2; }
.eyebrow { display: flex; align-items: center; gap: 9px; font-size: 12px; letter-spacing: .05em; margin-bottom: 30px; }
.status-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: #638d6f; flex-shrink: 0; }
.version-label { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 10px; letter-spacing: .07em; color: #777382; padding: 4px 7px; border: 1px solid #dcd8e2; border-radius: 4px; margin-left: 6px; }
h1 { font-size: clamp(42px, 4.5vw, 64px); line-height: 1.45; font-weight: 780; letter-spacing: -.055em; }
h1 > span { color: var(--purple); }
.hero-description { margin-top: 24px; color: var(--muted); font-size: 16px; line-height: 1.95; letter-spacing: .03em; }
.hero-actions { display: flex; align-items: center; gap: 27px; margin-top: 33px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 56px; padding: 15px 23px; border-radius: 9px; font-size: 14px; font-weight: 650; letter-spacing: .01em; transition: background .2s, transform .2s, box-shadow .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--purple); box-shadow: 0 6px 15px rgb(101 84 192 / 12%); }
.button-primary:hover { background: #5747ad; box-shadow: 0 8px 20px rgb(101 84 192 / 18%); }
.text-link { display: inline-flex; align-items: center; gap: 9px; font-size: 13px; white-space: nowrap; }
.text-link .icon { width: 18px; }
.download-meta { margin-top: 15px; font-size: 11px; color: #7c7787; line-height: 1.8; }
.download-meta > span { margin-inline: 9px; }
.hero-promises { display: flex; gap: 23px; margin-top: 37px; font-size: 12px; color: #686373; }
.hero-promises > span { display: inline-flex; align-items: center; gap: 5px; }
.hero-promises .icon { width: 15px; height: 15px; color: var(--green); }
.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; min-width: 0; min-height: 620px; isolation: isolate; }
.orbit { position: absolute; pointer-events: none; border-radius: 50%; z-index: -1; }
.orbit-one { width: 450px; height: 450px; background: #ece8f3; top: 75px; left: 50%; transform: translateX(-50%); }
.orbit-two { width: 522px; height: 522px; border: 1px dashed #dcd5e9; top: 40px; left: 50%; transform: translateX(-50%); }
.decor-spark { position: absolute; z-index: -1; color: #a896bf; font-family: Georgia, serif; font-weight: 300; }
.spark-one { top: 39px; right: 30px; transform: rotate(15deg); }
.spark-one .icon { width: 45px; height: 45px; stroke-width: 1.2; }
.spark-two { bottom: 105px; left: 25px; font-size: 33px; }
.phone { width: 300px; border: 6px solid #494453; border-radius: 39px; background: #fffdfa; box-shadow: 12px 23px 45px rgb(64 49 91 / 17%), 0 0 0 2px #e8e5ed, inset 0 0 0 1px #b8b1c2; transform: rotate(-5deg); overflow: hidden; }
.phone-top { height: 35px; padding: 12px 18px 0; display: flex; justify-content: space-between; align-items: center; position: relative; font-size: 9px; font-weight: 700; }
.phone-camera { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: #3c3744; left: calc(50% - 3px); top: 14px; box-shadow: 0 0 0 2px #ede9e9; }
.phone-signal { display: flex; gap: 2px; align-items: center; font-size: 8px; }
.battery { display: inline-block; width: 13px; height: 7px; border: 1px solid #48414f; border-radius: 2px; margin-left: 3px; position: relative; }
.battery::after { content: ""; position: absolute; inset: 1px; background: #48414f; border-radius: 1px; }
.phone-editor { padding: 23px 23px 30px; position: relative; height: 290px; }
.editor-top { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: #756c80; }
.editor-top .icon { width: 17px; height: 17px; }
.editor-date { margin-top: 27px; font-size: 8px; letter-spacing: .03em; color: #9990a1; }
.editor-title { font-family: "Songti SC", SimSun, serif; font-size: 25px; line-height: 1.55; margin-top: 11px; letter-spacing: .04em; }
.editor-text { font-size: 11px; color: #8b8294; line-height: 1.9; margin-top: 13px; }
.typing-word { display: inline-flex; align-items: center; font-size: 12px; color: #5d4e9a; margin-top: 5px; border-bottom: 1px solid #7a63bc; padding-bottom: 2px; }
.caret { height: 15px; width: 1px; background: var(--purple); margin-left: 2px; }
.editor-flower { width: 74px; position: absolute; right: 19px; bottom: 27px; color: #9e8fbc; transform: rotate(10deg); }
.editor-flower svg { width: 100%; }
.keyboard { --kb-bg: #ececf5; --kb-key: white; --kb-control: #dadbea; --kb-fg: #26253c; --kb-muted: #77788b; --kb-accent: #6956bd; background: var(--kb-bg); color: var(--kb-fg); padding: 6px; user-select: none; }
.keyboard[data-theme="mint"] { --kb-bg: #e8f1ed; --kb-key: white; --kb-control: #d2e3dc; --kb-fg: #26253c; --kb-muted: #61796d; --kb-accent: #2f8069; }
.keyboard[data-theme="midnight"] { --kb-bg: #171c28; --kb-key: #2b3242; --kb-control: #353c50; --kb-fg: #f5f4fb; --kb-muted: #acb4c8; --kb-accent: #b4a4ff; }
.keyboard-toolbar { display: flex; align-items: center; justify-content: space-between; padding: 8px 6px; font-size: 8px; color: var(--kb-muted); }
.keyboard-toolbar strong { color: var(--kb-accent); font-size: 11px; margin-right: 13px; }
.keyboard-composing { padding: 4px 7px; font-size: 10px; color: var(--kb-accent); }
.keyboard-candidates { display: flex; align-items: center; gap: 24px; padding: 9px 8px 11px; font-size: 13px; }
.keyboard-candidates strong { color: var(--kb-accent); }
.candidate-more { margin-left: auto; font-size: 8px; color: var(--kb-muted); }
.keyboard-keys { display: grid; gap: 5px; }
.key-row { display: flex; gap: 4px; height: 33px; }
.key-row > span { min-width: 0; flex: 1 1 0; display: flex; align-items: center; justify-content: center; border-radius: 5px; background: var(--kb-key); box-shadow: 0 1px 0 rgb(38 37 60 / 16%); font-family: "Segoe UI", "Microsoft YaHei", sans-serif; font-size: 14px; }
.row-middle { padding-inline: 12px; }
.key-row > .control-key { background: var(--kb-control); font-size: 10px; }
.key-row > .space-key { flex-grow: 3.5; font-size: 9px; color: var(--kb-muted); }
.key-row > .enter-key { flex-grow: 1.4; font-size: 10px; background: var(--kb-accent); color: white; }
.keyboard[data-theme="midnight"] .enter-key { background: #7563c2; }
.bottom-row > span { font-size: 10px; }
.gesture-bar { margin: 12px auto 2px; width: 85px; height: 3px; border-radius: 4px; background: var(--kb-fg); opacity: .55; }
.floating-note { position: absolute; display: flex; align-items: center; z-index: 3; box-shadow: 0 10px 30px rgb(50 33 67 / 6%); }
.note-private { top: 88px; left: -8px; gap: 10px; background: #fffefa; border: 1px solid #e5e1e9; padding: 14px 17px 14px 12px; border-radius: 10px; font-size: 12px; font-weight: 600; transform: rotate(-5deg); }
.note-icon { width: 34px; height: 34px; display: grid; place-items: center; background: #edf2e9; border-radius: 50%; color: #52765c; }
.note-private small { display: block; font-size: 9px; font-weight: 400; color: #8c8593; margin-top: 5px; }
.note-free { right: -5px; bottom: 82px; width: 165px; gap: 10px; padding: 18px 14px 28px; border-radius: 5px; background: #e1edc6; color: #354a29; transform: rotate(7deg); font-size: 13px; line-height: 1.65; }
.note-free > .icon { width: 25px; height: 25px; }
.note-free strong { font-weight: 650; }
.note-free-caption { position: absolute; bottom: 10px; left: 49px; font-size: 7px; letter-spacing: .15em; }
.visual-caption { position: absolute; bottom: -9px; text-align: center; font-size: 10px; letter-spacing: .08em; color: #8d839c; }
.visual-caption > span { margin-left: 12px; padding-left: 12px; border-left: 1px solid #d5ccdf; }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); padding-block: 32px 36px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.fact { text-align: center; border-right: 1px solid var(--line); }
.fact:last-child { border: 0; }
.fact-value { font-family: "Segoe UI", sans-serif; font-size: 34px; font-weight: 550; letter-spacing: -.035em; }
.fact-value > span { font-family: "Microsoft YaHei", sans-serif; font-size: 13px; font-weight: 400; letter-spacing: 0; color: var(--muted); }
.fact > p { font-size: 11px; color: var(--muted); margin-top: 7px; }
.section { padding-block: 100px; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; margin-bottom: 36px; }
.section-kicker { display: block; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 10px; font-weight: 500; letter-spacing: .16em; color: #8d7f9e; margin-bottom: 16px; }
h2 { font-size: 34px; line-height: 1.5; font-weight: 680; letter-spacing: -.035em; }
.section-heading h2 > span { color: #777080; }
.section-heading > p { font-size: 13px; color: var(--muted); line-height: 1.85; margin-bottom: 5px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card { padding: 29px 26px 24px; border: 1px solid var(--line); border-radius: 14px; background: #fdfcf9; display: flex; flex-direction: column; }
.feature-privacy { background: #edf1e9; border-color: #e0e6d8; }
.feature-icon { width: 41px; height: 41px; background: #dbe5d3; border-radius: 11px; display: grid; place-items: center; color: #496348; margin-bottom: 22px; }
.icon-lavender { background: #eee8f7; color: #7c64a5; }
.icon-peach { background: #f6eadb; color: #94724d; }
h3 { font-size: 17px; font-weight: 650; letter-spacing: -.02em; }
.feature-card > p { margin-top: 13px; color: #75707a; font-size: 12px; line-height: 1.95; }
.privacy-illustration { display: flex; justify-content: center; align-items: center; gap: 7px; font-size: 10px; color: #658063; margin-block: auto 0; padding-block: 27px 23px; }
.privacy-illustration > i { width: 10px; height: 1px; background: #acbba7; }
.privacy-device { border: 1px solid #bdcdb4; background: #f8faf5; display: flex; flex-direction: column; align-items: center; gap: 5px; padding: 10px 14px; border-radius: 8px; }
.privacy-end { display: flex; flex-direction: column; align-items: center; gap: 7px; }
.privacy-end .icon { width: 16px; height: 16px; }
.feature-footnote { display: block; padding-top: 17px; border-top: 1px solid #e4e4de; font-size: 10px; color: #8a828e; margin-top: auto; }
.pinyin-demo { display: flex; align-items: center; justify-content: center; gap: 17px; margin-block: auto 0; padding-block: 35px; color: #998baa; }
.pinyin-demo > span { font-family: ui-monospace, Consolas, monospace; font-size: 18px; }
.pinyin-demo > strong { font-size: 22px; color: var(--purple); background: #eee8f5; padding: 8px 15px; border-radius: 7px; font-weight: 500; }
.free-demo { display: flex; align-items: center; gap: 17px; justify-content: center; margin-block: auto 0; padding-block: 35px; }
.free-demo > strong { font-size: 38px; font-family: "Segoe UI", sans-serif; font-weight: 500; }
.free-demo > span { font-size: 11px; color: #8f8180; padding-block: 4px; border-bottom: 1px solid #d9c4b0; }
.appearance-section { background: #eeeaf3; border-block: 1px solid #e7e1ec; }
.appearance-inner { display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; align-items: center; padding-block: 74px; }
.appearance-copy h2 { font-size: 39px; line-height: 1.5; }
.appearance-copy > p { font-size: 12px; color: #7c7287; line-height: 1.9; margin-top: 16px; }
.theme-choices { display: flex; gap: 9px; margin-top: 25px; }
.theme-choice { display: flex; align-items: center; justify-content: center; gap: 7px; min-height: 43px; padding: 10px 14px; font-size: 12px; color: #736981; border: 1px solid transparent; border-radius: 8px; background: #e5deec; }
.theme-choice:hover { background: #e0d7eb; }
.theme-choice[aria-pressed="true"] { background: #faf8fd; border-color: #a99ac7; color: #4e3c77; box-shadow: 0 2px 5px rgb(67 40 105 / 3%); }
.color-dot { height: 14px; width: 14px; border-radius: 50%; border: 1px solid rgb(0 0 0 / 8%); }
.color-lavender { background: #b4a1da; }
.color-mint { background: #a5cdb7; }
.color-midnight { background: #34394d; }
.layout-choices { display: inline-flex; margin-top: 15px; padding: 3px; border-radius: 7px; border: 1px solid #dcd3e5; }
.layout-choices > button { border: 0; background: transparent; color: #7d718c; min-height: 38px; min-width: 88px; padding: 8px 17px; border-radius: 4px; font-size: 11px; }
.layout-choices > button[aria-pressed="true"] { background: #fffdfa; color: #4e3c77; box-shadow: 0 1px 4px rgb(70 54 83 / 5%); }
.appearance-copy > .appearance-note { font-size: 10px; margin-top: 23px; }
.preview-wrap { min-width: 0; }
.preview-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: 10px; color: #81758e; margin: 0 3px 13px; }
.preview-heading > span:first-child { display: inline-flex; gap: 7px; align-items: center; }
.appearance-keyboard { padding: 12px 12px 8px; border-radius: 17px; box-shadow: 0 20px 35px rgb(81 63 110 / 10%); border: 1px solid rgb(141 129 163 / 12%); }
.appearance-keyboard .keyboard-toolbar { font-size: 11px; padding: 6px 7px 10px; }
.appearance-keyboard .keyboard-toolbar strong { font-size: 15px; margin-right: 15px; }
.appearance-keyboard .keyboard-composing { font-size: 12px; padding-top: 9px; }
.appearance-keyboard .keyboard-candidates { font-size: 19px; gap: 33px; padding: 12px 8px 18px; }
.appearance-keyboard .candidate-more { font-size: 10px; }
.appearance-keyboard .keyboard-keys { gap: 7px; }
.appearance-keyboard .key-row { height: 45px; gap: 6px; }
.appearance-keyboard .key-row > span { font-size: 19px; border-radius: 7px; }
.appearance-keyboard .key-row > .control-key, .appearance-keyboard .key-row > .enter-key, .appearance-keyboard .bottom-row > span { font-size: 12px; }
.appearance-keyboard .key-row > .space-key { font-size: 12px; }
.appearance-keyboard .row-middle { padding-inline: 21px; }
.appearance-keyboard .gesture-bar { margin-top: 18px; width: 110px; }
.t9-keys .key-row > span { gap: 8px; }
.t9-keys .key-row > span > small { font-size: 10px; color: var(--kb-muted); letter-spacing: .04em; }
.t9-keys .key-row:not(.bottom-row) > .control-key { flex-grow: .6; }
.preview-caption { text-align: center; font-size: 10px; line-height: 1.8; margin-top: 17px; color: #85788e; }
.setup-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 50px; padding: 0; margin: 42px 0 0; list-style: none; }
.setup-steps > li { position: relative; }
.setup-steps > li:not(:last-child)::after { content: ""; position: absolute; top: 22px; left: 70px; right: -20px; border-top: 1px dashed #d7d0de; }
.step-number { font-family: Georgia, serif; font-style: italic; font-size: 37px; color: #a99db9; display: inline-block; margin-bottom: 21px; }
.setup-steps h3 { font-size: 17px; }
.setup-steps p { font-size: 12px; line-height: 1.95; color: #79717f; margin-top: 13px; }
.setup-steps a, .step-hint { display: inline-flex; align-items: center; gap: 8px; margin-top: 16px; font-size: 10px; color: #897693; }
.setup-steps a { color: var(--purple); }
.setup-steps a .icon { width: 15px; height: 15px; }
.download-card { background: #34303f; color: #fffdfa; border-radius: 18px; padding: 53px 59px; display: grid; grid-template-columns: 1fr 1fr; gap: 70px; position: relative; overflow: hidden; }
.download-main { position: relative; }
.download-app-icon { width: 61px; height: 61px; border-radius: 14px; }
.download-kicker { display: block; color: #bdb2cd; font-size: 10px; margin-top: 22px; letter-spacing: .12em; }
.download-main h2 { font-size: 35px; margin-top: 10px; line-height: 1.6; }
.download-main > p { color: #bcb3c9; font-size: 12px; line-height: 1.8; margin-top: 13px; }
.button-light { margin-top: 26px; background: #e4edcf; color: #343a2c; padding-inline: 22px; min-width: 256px; }
.button-light:hover { background: #f0f6e4; }
.button-arrow { margin-left: auto; width: 17px; }
.download-platform { display: flex; align-items: center; gap: 8px; color: #b5aabe; font-size: 10px; margin-top: 16px; }
.download-platform .icon { height: 15px; width: 15px; }
.release-panel { align-self: center; min-width: 0; border: 1px solid #595161; background: #3d3649; border-radius: 12px; padding: 24px; }
.release-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 13px; }
.release-badge { font-size: 9px; background: #55475c; color: #e2c6ba; border: 1px solid #6a5668; padding: 5px 8px; border-radius: 4px; }
.release-details { margin: 23px 0 18px; }
.release-details > div { display: flex; justify-content: space-between; gap: 14px; font-size: 11px; line-height: 1.8; margin-top: 12px; }
.release-details dt { color: #b2a6bf; flex-shrink: 0; }
.release-details dd { margin: 0; text-align: right; color: #e3dbea; }
.release-details dd > span { font-size: 9px; color: #baacc8; }
.release-notice { font-size: 10px; line-height: 1.9; color: #c2b4cc; border-top: 1px solid #554a61; padding-top: 15px; }
summary { list-style: none; cursor: pointer; }
summary::-webkit-details-marker { display: none; }
.checksum-details { margin-top: 17px; }
.checksum-details summary { font-size: 10px; display: flex; align-items: center; justify-content: space-between; gap: 8px; color: #d4c6e1; }
.checksum-details summary .icon { width: 13px; height: 13px; }
.checksum-details code { display: block; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 10px; line-height: 1.8; overflow-wrap: anywhere; margin-block: 15px; padding: 10px; border-radius: 5px; background: #332c3f; }
.checksum-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; font-size: 10px; color: #d4c6e1; }
.checksum-actions button { display: inline-flex; align-items: center; gap: 6px; background: none; color: inherit; border: 1px solid #7a698b; padding: 7px 8px; border-radius: 5px; font-size: inherit; }
.checksum-actions button .icon { width: 13px; height: 13px; }
.checksum-actions a { text-decoration: underline; text-underline-offset: 4px; }
#copy-status { display: block; font-size: 10px; line-height: 1.8; margin-top: 8px; color: #c8dab8; }
.faq-section { display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; }
.faq-heading h2 { font-size: 27px; }
.faq-heading > p { font-size: 12px; color: var(--muted); margin-top: 13px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding-block: 21px; font-size: 13px; }
.faq-list summary .icon { width: 15px; height: 15px; color: #8d809d; transition: transform .2s; }
details[open] > summary .icon { transform: rotate(90deg); }
.faq-list details > p { color: var(--muted); font-size: 12px; line-height: 1.95; padding-bottom: 22px; }
.site-footer { border-top: 1px solid var(--line); padding-block: 31px 24px; }
.footer-top { display: flex; justify-content: space-between; align-items: center; gap: 22px; }
.footer-top .brand { font-size: 18px; }
.footer-top .brand-suffix { font-size: 13px; }
.footer-top > p { color: #9a91a1; font-size: 12px; letter-spacing: .03em; }
.back-top { font-size: 11px; color: #7c708c; display: flex; align-items: center; gap: 13px; }
.back-top > span { font-size: 20px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 30px; font-size: 9px; line-height: 1.9; color: #8b8490; }
.footer-bottom > span:first-child { letter-spacing: .09em; }
.footer-bottom a { text-decoration: underline; text-underline-offset: 3px; }
.affiliation-note { color: #8b8490; font-size: 9px; line-height: 1.9; margin-top: 8px; }
@media (min-width: 1440px) {
  .hero { min-height: 780px; gap: 40px; }
  h1 { font-size: 65px; }
  .hero-visual { transform: scale(1.04); }
}
@media (max-width: 1100px) {
  .container { width: calc(100% - 64px); }
  .hero { gap: 8px; padding-block: 35px 45px; min-height: 685px; }
  h1 { font-size: 48px; }
  .hero-visual { transform: scale(.9); margin-inline: -17px; }
  .hero-actions { gap: 18px; }
  .hero-actions .button { padding-inline: 17px; font-size: 12px; }
  .text-link { font-size: 11px; }
  .note-private { left: -14px; }
  .note-free { right: -10px; }
  .navigation { gap: 24px; margin-right: 10px; }
  .appearance-inner, .faq-section { gap: 42px; }
  .feature-card { padding: 24px 20px; }
  .feature-grid { gap: 14px; }
  .feature-card h3 { font-size: 16px; }
  .privacy-illustration { gap: 5px; }
  .privacy-device { padding-inline: 9px; }
  .download-card { padding: 43px 35px; gap: 40px; }
}
@media (max-width: 850px) {
  .container { width: calc(100% - 48px); }
  .navigation { gap: 20px; margin-right: 0; }
  .navigation a:nth-child(3) { display: none; }
  .header-inner { height: 76px; gap: 15px; }
  .hero { grid-template-columns: 1fr 1fr; min-height: 600px; }
  h1 { font-size: 39px; }
  .eyebrow { font-size: 10px; gap: 6px; margin-bottom: 23px; }
  .version-label { font-size: 8px; margin-left: 1px; }
  .hero-description { font-size: 13px; }
  .hero-actions { flex-wrap: wrap; gap: 18px; margin-top: 25px; }
  .hero-actions .text-link { display: none; }
  .download-meta { font-size: 9px; }
  .download-meta > span { margin-inline: 5px; }
  .hero-promises { gap: 13px; font-size: 10px; margin-top: 28px; }
  .hero-visual { transform: scale(.78); margin-inline: -35px; min-height: 620px; margin-block: -60px; }
  .note-private { top: 96px; left: -9px; }
  .note-free { bottom: 87px; right: -10px; }
  .orbit-two { width: 450px; height: 450px; top: 70px; }
  .orbit-one { width: 390px; height: 390px; top: 100px; }
  .spark-one { right: -5px; }
  .facts { padding-block: 27px; }
  .fact-value { font-size: 29px; }
  .fact-value > span { font-size: 10px; }
  .fact > p { font-size: 9px; }
  .section { padding-block: 72px; }
  h2 { font-size: 29px; }
  .feature-grid { grid-template-columns: 1fr; gap: 15px; }
  .feature-card { display: grid; grid-template-columns: 44px 1fr 210px; column-gap: 18px; padding: 24px; align-items: start; }
  .feature-icon { grid-row: 1 / 3; margin-bottom: 0; }
  .feature-card > h3 { grid-column: 2; }
  .feature-card > p { grid-column: 2; }
  .privacy-illustration, .pinyin-demo, .free-demo { grid-column: 3; grid-row: 1 / 3; align-self: center; padding: 0; margin: 0; }
  .feature-footnote { grid-column: 2 / 4; margin-top: 20px; }
  .appearance-inner { gap: 30px; grid-template-columns: .9fr 1.1fr; padding-block: 55px; }
  .appearance-copy h2 { font-size: 32px; }
  .appearance-copy > p { font-size: 11px; }
  .theme-choices { gap: 6px; }
  .theme-choice { padding-inline: 9px; font-size: 10px; gap: 5px; }
  .color-dot { width: 12px; height: 12px; }
  .appearance-keyboard { padding: 7px; }
  .appearance-keyboard .key-row { height: 37px; gap: 4px; }
  .appearance-keyboard .key-row > span { font-size: 15px; }
  .appearance-keyboard .key-row > .control-key, .appearance-keyboard .key-row > .enter-key, .appearance-keyboard .bottom-row > span { font-size: 9px; }
  .appearance-keyboard .key-row > .space-key { font-size: 9px; }
  .appearance-keyboard .keyboard-toolbar { font-size: 9px; }
  .appearance-keyboard .keyboard-toolbar strong { font-size: 12px; margin-right: 7px; }
  .appearance-keyboard .keyboard-candidates { gap: 20px; font-size: 16px; padding-bottom: 13px; }
  .appearance-keyboard .row-middle { padding-inline: 15px; }
  .t9-keys .key-row > span { gap: 4px; }
  .t9-keys .key-row > span > small { font-size: 8px; }
  .preview-caption { font-size: 9px; }
  .setup-steps { gap: 29px; }
  .download-card { padding: 35px 27px; gap: 29px; }
  .download-main h2 { font-size: 29px; }
  .download-main > p { font-size: 11px; }
  .button-light { min-width: 0; width: 100%; padding-inline: 16px; font-size: 12px; }
  .release-panel { padding: 19px; }
  .release-details dd > span { display: block; }
  .faq-section { gap: 35px; grid-template-columns: .85fr 1.15fr; }
  .faq-heading h2 { font-size: 25px; }
}
@media (max-width: 640px) {
  html { scroll-padding-top: 82px; }
  .container { width: calc(100% - 40px); }
  .header-inner { height: 68px; }
  .brand { gap: 9px; font-size: 20px; }
  .brand > img { width: 32px; height: 32px; }
  .brand-suffix { font-size: 14px; margin-left: 4px; }
  .navigation { display: none; }
  .header-download { font-size: 11px; padding: 10px 13px; gap: 12px; }
  .hero { grid-template-columns: 1fr; gap: 0; padding-block: 41px 27px; }
  .hero-copy { text-align: center; padding: 0; }
  .eyebrow { justify-content: center; font-size: 10px; margin-bottom: 20px; }
  h1 { font-size: clamp(39px, 9.3vw, 55px); line-height: 1.45; letter-spacing: -.055em; }
  .hero-description { font-size: 13px; line-height: 1.85; margin-top: 20px; }
  .hero-actions { justify-content: center; gap: 20px; margin-top: 25px; }
  .hero-actions .button { font-size: 13px; min-height: 52px; padding-inline: 22px; }
  .hero-actions .text-link { display: inline-flex; }
  .download-meta { margin-top: 12px; font-size: 9px; }
  .hero-promises { justify-content: center; font-size: 10px; margin-top: 21px; gap: 22px; }
  .hero-visual { width: min(410px, 100%); min-height: 570px; transform: none; margin: 16px auto 0; }
  .phone { transform: rotate(-5deg) scale(.86); }
  .orbit-one { width: 310px; height: 310px; top: 124px; }
  .orbit-two { width: 348px; height: 348px; top: 106px; }
  .note-private { top: 99px; left: 0; font-size: 10px; padding: 10px; gap: 8px; }
  .note-icon { width: 29px; height: 29px; }
  .note-icon .icon { width: 18px; height: 18px; }
  .note-private small { font-size: 8px; margin-top: 4px; }
  .note-free { right: 0; bottom: 93px; width: 137px; font-size: 11px; padding: 13px 10px 25px; gap: 8px; }
  .note-free > .icon { width: 21px; height: 21px; }
  .note-free-caption { font-size: 6px; left: 38px; bottom: 9px; }
  .visual-caption { bottom: 11px; font-size: 9px; }
  .spark-one { top: 52px; right: 28px; }
  .spark-one .icon { width: 30px; height: 30px; }
  .spark-two { left: 12px; bottom: 135px; }
  .facts { grid-template-columns: 1fr 1fr; padding-block: 0; }
  .fact { padding-block: 23px; }
  .fact:nth-child(2) { border-right: 0; }
  .fact:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .fact-value { font-size: 30px; }
  .fact > p { font-size: 10px; }
  .section { padding-block: 57px; }
  .section-heading { display: block; margin-bottom: 26px; }
  .section-kicker { font-size: 9px; margin-bottom: 13px; }
  h2 { font-size: 28px; }
  .section-heading > p { font-size: 11px; margin-top: 13px; }
  .section-heading > p > br { display: none; }
  .feature-card { grid-template-columns: 40px 1fr; padding: 23px; gap: 0 15px; }
  .feature-card > h3 { align-self: center; font-size: 16px; }
  .feature-icon { grid-row: 1; width: 38px; height: 38px; }
  .feature-card > p { grid-column: 1 / -1; font-size: 12px; }
  .privacy-illustration, .pinyin-demo, .free-demo { grid-column: 1 / -1; grid-row: auto; padding-block: 25px; gap: 18px; }
  .privacy-device { padding-inline: 22px; }
  .feature-footnote { grid-column: 1 / -1; margin-top: 0; }
  .appearance-inner { grid-template-columns: 1fr; gap: 31px; padding-block: 50px; }
  .appearance-copy { text-align: center; }
  .appearance-copy h2 { font-size: 32px; }
  .appearance-copy > p { font-size: 11px; }
  .theme-choices { justify-content: center; gap: 10px; }
  .theme-choice { font-size: 12px; padding-inline: 17px; }
  .color-dot { width: 14px; height: 14px; }
  .layout-choices { margin-top: 16px; }
  .layout-choices > button { min-height: 40px; }
  .appearance-copy > .appearance-note { margin-top: 18px; }
  .appearance-keyboard { padding: 10px; }
  .appearance-keyboard .key-row { height: 43px; }
  .appearance-keyboard .key-row > span { font-size: 18px; }
  .appearance-keyboard .key-row > .control-key, .appearance-keyboard .key-row > .enter-key, .appearance-keyboard .bottom-row > span { font-size: 10px; }
  .appearance-keyboard .key-row > .space-key { font-size: 10px; }
  .appearance-keyboard .keyboard-toolbar { font-size: 10px; }
  .appearance-keyboard .keyboard-candidates { font-size: 18px; padding-block: 13px 17px; }
  .preview-caption { font-size: 9px; }
  .setup-steps { grid-template-columns: 1fr; gap: 27px; margin-top: 28px; }
  .setup-steps > li { padding-left: 63px; }
  .step-number { position: absolute; left: 1px; top: -5px; font-size: 32px; }
  .setup-steps > li:not(:last-child)::after { top: 45px; bottom: -17px; left: 19px; right: auto; width: 0; border: 0; border-left: 1px dashed #d7d0de; }
  .setup-steps p { font-size: 12px; margin-top: 9px; }
  .setup-steps a, .step-hint { margin-top: 11px; font-size: 10px; }
  .download-card { grid-template-columns: 1fr; gap: 32px; padding: 32px 23px 23px; border-radius: 14px; }
  .download-main { text-align: center; }
  .download-kicker { margin-top: 17px; }
  .download-main h2 { font-size: 31px; }
  .download-main > p { font-size: 11px; }
  .button-light { width: auto; min-width: 255px; font-size: 13px; }
  .download-platform { justify-content: center; }
  .release-panel { padding: 21px 18px; }
  .release-details dd > span { display: inline; }
  .faq-section { grid-template-columns: 1fr; gap: 27px; }
  .faq-heading h2 { font-size: 26px; }
  .faq-heading > p { font-size: 11px; }
  .faq-list summary { font-size: 12px; }
  .footer-top { flex-wrap: wrap; gap: 17px; }
  .footer-top > p { order: 3; flex-basis: 100%; font-size: 11px; }
  .footer-bottom { flex-direction: column; gap: 7px; margin-top: 23px; font-size: 9px; }
  .affiliation-note { font-size: 9px; margin-top: 11px; }
}
@media (max-width: 360px) {
  .container { width: calc(100% - 32px); }
  .hero-actions { gap: 14px; }
  .hero-actions .text-link { display: none; }
  h1 { font-size: 37px; }
  .hero-visual { min-height: 540px; }
  .phone { transform: rotate(-5deg) scale(.79); }
  .orbit-one { width: 260px; height: 260px; top: 135px; }
  .orbit-two { width: 285px; height: 285px; top: 123px; }
  .note-free { right: -2px; bottom: 100px; }
  .note-private { top: 104px; left: -3px; }
  .theme-choice { padding-inline: 12px; }
  .t9-keys .key-row > span { gap: 3px; }
  .t9-keys .key-row > span > small { font-size: 7px; }
  .download-card { padding-inline: 18px; }
  .button-light { min-width: 0; width: 100%; }
  .release-details dd > span { display: block; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}