:root {
  --ink: #102c4d;
  --muted: #6f8194;
  --line: #dfeaf2;
  --paper: #ffffff;
  --mist: #f1f9fc;
  --sky: #d9f4fa;
  --cyan: #38c6d5;
  --blue: #1465b3;
  --deep: #0d2846;
  --coral: #ff856b;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(var(--max), calc(100% - 64px)); margin: 0 auto; }

.site-header { position: fixed; z-index: 10; width: 100%; top: 0; left: 0; border-bottom: 1px solid rgba(217, 231, 239, .7); background: rgba(238, 249, 252, .78); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); transition: background .25s ease, box-shadow .25s ease, border-color .25s ease; }
.site-header.is-scrolled { border-bottom-color: rgba(191, 216, 226, .9); background: rgba(255, 255, 255, .94); box-shadow: 0 8px 24px rgba(24, 74, 99, .08); }
.nav-wrap { height: 86px; display: flex; align-items: center; gap: 46px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: 210px; }
.brand-mark { display: grid; place-items: center; width: 36px; height: 36px; color: white; background: var(--blue); border-radius: 10px 10px 10px 3px; font-size: 22px; font-weight: 800; font-style: italic; box-shadow: 0 7px 15px rgba(20, 101, 179, .18); }
.brand-copy { display: grid; line-height: 1.1; }
.brand-copy strong { font-size: 17px; letter-spacing: 1px; }
.brand-copy small { margin-top: 4px; color: #8ca1b1; font-size: 8px; letter-spacing: 2px; }
.main-nav { display: flex; align-items: center; gap: 35px; margin-right: auto; color: #6b7f90; font-size: 14px; }
.main-nav a { position: relative; padding: 31px 0 29px; transition: color .2s ease; }
.main-nav a:hover, .main-nav a.active { color: var(--ink); }
.main-nav a.active::after { content: ""; position: absolute; height: 3px; width: 18px; bottom: 19px; left: 50%; transform: translateX(-50%); border-radius: 3px; background: var(--coral); }
.nav-download { display: inline-flex; align-items: center; gap: 10px; padding: 12px 19px; border: 1px solid var(--ink); border-radius: 2px; font-size: 13px; font-weight: 700; transition: .2s ease; }
.nav-download i, .button i { font-size: 14px; line-height: 1; }
.nav-download:hover { color: #fff; background: var(--ink); }
.menu-toggle { display: none; border: 0; background: transparent; color: var(--ink); font-size: 23px; }

.hero { min-height: 720px; position: relative; overflow: hidden; background: #eef9fc; }
.hero::before { content: ""; position: absolute; width: 530px; height: 530px; top: 170px; right: -130px; border: 1px solid rgba(56, 198, 213, .2); border-radius: 50%; }
.hero::after { content: ""; position: absolute; width: 680px; height: 680px; top: 95px; right: -205px; border: 1px solid rgba(56, 198, 213, .12); border-radius: 50%; }
.hero-grid { min-height: 720px; padding-top: 128px; display: grid; grid-template-columns: .88fr 1.12fr; gap: 40px; align-items: center; }
.hero-copy { position: relative; z-index: 2; padding-bottom: 22px; }
.eyebrow { margin: 0 0 20px; color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: 2.2px; }
.eyebrow-dot { display: inline-block; width: 7px; height: 7px; margin-right: 8px; background: var(--coral); border-radius: 50%; }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { margin-bottom: 24px; color: var(--ink); font-size: clamp(50px, 6vw, 82px); font-weight: 300; letter-spacing: 0; line-height: 1.16; }
.hero h1 em, h2 span, .cta-band h2 span { color: var(--blue); font-style: normal; font-weight: 800; }
.hero-text { max-width: 430px; margin-bottom: 34px; color: #718698; font-size: 15px; line-height: 2; }
.hero-actions { display: flex; gap: 19px; align-items: center; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 18px; padding: 0 22px; border: 1px solid transparent; border-radius: 2px; font-size: 13px; font-weight: 700; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; position: relative; overflow: hidden; isolation: isolate; }
.button::after { content: ""; position: absolute; z-index: -1; top: 0; bottom: 0; left: -45%; width: 28%; background: rgba(255,255,255,.28); transform: skewX(-20deg) translateX(-180%); transition: transform .7s ease; }
.button:hover::after { transform: skewX(-20deg) translateX(560%); }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--blue); box-shadow: 0 10px 20px rgba(20, 101, 179, .15); }
.button-primary:hover { background: #0c559c; box-shadow: 0 13px 24px rgba(20, 101, 179, .24); }
.button-quiet { color: var(--ink); padding-left: 0; }
.button-quiet:hover, .text-link:hover { color: var(--blue); }
.button-outline { border-color: #aac6d7; color: var(--ink); }
.button-outline:hover { border-color: var(--blue); background: #fff; }
.button-dark { color: #fff; background: var(--deep); }
.button-light { color: var(--deep); background: #fff; }
.hero-note { display: flex; align-items: center; gap: 8px; margin-top: 38px; color: #8da1b0; font-size: 11px; letter-spacing: .3px; }
.platform-dot { width: 8px; height: 8px; border-radius: 50%; background: #25b8c8; }

.product-stage { min-height: 510px; position: relative; }
.stage-glow { position: absolute; width: 410px; height: 410px; left: 150px; top: 55px; background: rgba(215, 244, 250, .9); border-radius: 50%; animation: breathe 5s ease-in-out infinite; }
.speed-line { position: absolute; z-index: 1; width: 300px; height: 1px; background: rgba(56, 198, 213, .45); transform: rotate(-29deg); }
.line-one { top: 115px; left: 55px; animation: light-pass 4.5s ease-in-out infinite; }.line-two { top: 350px; left: 305px; width: 230px; transform: rotate(-57deg); animation: light-pass 5.5s 1.2s ease-in-out infinite; }
.device { position: absolute; z-index: 2; filter: drop-shadow(0 25px 22px rgba(16, 44, 77, .16)); }
.laptop { width: 440px; right: 56px; top: 120px; transform: rotate(-7deg); animation: laptop-float 6s ease-in-out infinite; }
.laptop-screen { height: 270px; padding: 9px; border: 8px solid #123558; border-bottom-width: 12px; border-radius: 13px 13px 5px 5px; background: #fff; }
.screen-topbar { height: 20px; display: flex; align-items: center; gap: 4px; padding: 0 7px; color: #8295a5; font-size: 7px; }
.screen-topbar span { width: 5px; height: 5px; background: #d9e4ea; border-radius: 50%; }.screen-topbar b { margin-left: auto; font-size: 7px; font-weight: 500; }
.screen-content { height: 215px; position: relative; padding: 27px 24px; overflow: hidden; background: #edf9fc; }
.screen-title { color: #54728b; font-size: 20px; line-height: 1.4; }.screen-title strong { color: var(--blue); font-size: 28px; }
.suggestion-box { position: absolute; right: 25px; top: 38px; display: flex; gap: 12px; align-items: center; padding: 10px 12px; border: 1px solid #d5e9ef; border-radius: 4px; color: #668092; background: rgba(255,255,255,.88); font-size: 8px; box-shadow: 0 7px 16px rgba(42, 110, 144, .08); }.suggestion-box b { color: var(--blue); }
.keyboard-lines { position: absolute; right: 19px; bottom: 17px; display: grid; grid-template-columns: repeat(6, 27px); gap: 5px; transform: rotate(-2deg); }.keyboard-lines i { display: block; height: 12px; border: 1px solid #c5e1e8; border-radius: 2px; background: #fff; }
.laptop-base { width: 480px; height: 18px; margin-left: -20px; background: #aec9d3; border-radius: 0 0 12px 12px; }
.phone { width: 128px; right: 14px; top: 247px; padding: 6px; border: 5px solid #183c5c; border-radius: 21px; background: #b0d2db; transform: rotate(12deg); animation: phone-float 5s 1s ease-in-out infinite; }.phone-camera { position: absolute; z-index: 3; top: 10px; left: 50%; width: 34px; height: 9px; transform: translateX(-50%); border-radius: 9px; background: #163752; }.phone-screen { height: 230px; overflow: hidden; padding: 43px 8px 8px; border-radius: 13px; background: #f7fcfd; }.phone-bubble { width: max-content; margin: 12px 0 7px auto; padding: 6px 8px; color: #fff; border-radius: 10px 10px 2px 10px; background: var(--blue); font-size: 8px; }.phone-bubble span { margin-left: 3px; color: #8eebee; }.phone-suggestion { padding: 7px; color: #6f8795; border-radius: 4px; background: #eff7f8; font-size: 7px; line-height: 1.5; }.phone-keys { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3px; margin-top: 12px; }.phone-keys i { height: 19px; border-radius: 3px; background: #d8edf0; }
.floating-chip { position: absolute; z-index: 4; display: inline-flex; gap: 7px; align-items: center; padding: 9px 12px; border: 1px solid rgba(168, 211, 222, .85); border-radius: 4px; color: #527387; background: rgba(255,255,255,.82); box-shadow: 0 10px 20px rgba(51, 123, 147, .1); font-size: 10px; animation: chip-float 4.5s ease-in-out infinite; }.floating-chip > i { color: var(--blue); font-size: 15px; }.chip-cloud { top: 103px; left: 90px; }.chip-ai { right: 78px; bottom: 48px; animation-delay: -2.1s; }
.scroll-cue { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; align-items: center; color: #8ca1ae; font-size: 10px; letter-spacing: 1px; }.scroll-cue span { width: 1px; height: 34px; background: #9fc0ca; }

.proof-strip { border-bottom: 1px solid var(--line); background: #fff; }.proof-grid { min-height: 130px; display: grid; grid-template-columns: repeat(3, 1fr) 1.1fr; align-items: center; }.proof-grid > div { min-height: 63px; padding-left: 35px; border-left: 1px solid var(--line); }.proof-grid > div:first-child { border-left: 0; padding-left: 0; }.proof-grid strong, .proof-grid span { display: block; }.proof-grid strong { font-size: 27px; line-height: 1.1; }.proof-grid span { margin-top: 7px; color: #899baa; font-size: 11px; }.proof-tag { align-self: center; justify-self: end; width: 110px; padding-left: 0 !important; border-left: 0 !important; color: var(--coral); font-size: 12px; line-height: 1.35; }.proof-tag b { color: var(--blue); font-size: 20px; }

.section { padding: 125px 0; }.feature-section { background: #fff; }.section-heading { max-width: 620px; margin-bottom: 55px; }.section-heading h2, .expression-copy h2, .install-panel h2 { margin-bottom: 18px; font-size: clamp(35px, 4vw, 52px); font-weight: 300; letter-spacing: 0; line-height: 1.23; }.section-heading > p:last-child, .expression-copy > p:not(.eyebrow), .install-panel > p:not(.eyebrow) { color: var(--muted); font-size: 14px; }
.feature-grid { display: grid; grid-template-columns: 1.15fr .85fr .85fr; gap: 18px; }.feature-card { min-height: 380px; position: relative; overflow: hidden; padding: 32px 32px 28px; border: 1px solid var(--line); background: #fff; }.feature-main { border-top: 3px solid var(--cyan); }.feature-card h3 { margin: 12px 0 10px; font-size: 22px; }.feature-card p { max-width: 280px; color: var(--muted); font-size: 13px; line-height: 1.9; }.feature-number { position: absolute; top: 28px; right: 31px; color: #b9cbd6; font-size: 11px; font-weight: 800; letter-spacing: 1px; }.feature-icon { display: grid; place-items: center; width: 47px; height: 47px; border-radius: 50%; font-size: 20px; }.icon-spark { color: #fff; background: var(--blue); }.icon-cloud { color: var(--blue); background: #def7f7; }.icon-keyboard { color: #fff; background: #285f72; }.feature-dark { color: #fff; border-color: #28546d; background: var(--deep); }.feature-dark p, .feature-dark .feature-number { color: #a4bac5; }.mini-chat { position: absolute; right: 30px; bottom: 34px; width: 220px; padding: 12px; background: #edf9fc; }.mini-row { display: flex; gap: 5px; justify-content: flex-end; color: #8098a3; font-size: 9px; }.mini-row b { color: var(--blue); font-weight: 700; }.mini-row.faded { padding-top: 9px; margin-top: 9px; border-top: 1px solid #d6ebf0; color: #b3c2c9; }.mini-row.faded b { color: #72aab8; }.text-link { position: absolute; left: 32px; bottom: 31px; color: var(--blue); font-size: 11px; font-weight: 800; }.text-link span { margin-left: 12px; font-size: 18px; vertical-align: -1px; }.sync-visual { position: absolute; right: 28px; bottom: 43px; left: 28px; display: flex; gap: 13px; align-items: center; justify-content: center; color: #6e8895; font-size: 10px; }.sync-visual span { width: 62px; padding: 21px 0; text-align: center; border: 1px solid #b8dfe5; background: #f5fcfd; }.sync-visual i { color: var(--blue); font-size: 22px; font-style: normal; }.shortcut-row { position: absolute; right: 29px; bottom: 51px; left: 29px; display: flex; gap: 7px; align-items: center; justify-content: center; color: #8ea8b6; font-size: 10px; }.shortcut-row kbd { padding: 6px 8px; border: 1px solid #547587; border-radius: 3px; color: #d8ebed; background: #183b55; font-size: 10px; }

.expression-section { background: var(--mist); }.expression-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 75px; align-items: center; }.expression-copy { max-width: 400px; }.expression-copy > p:not(.eyebrow) { margin-bottom: 28px; line-height: 1.9; }.skin-showcase { min-height: 405px; position: relative; }.skin-card { position: absolute; width: 220px; height: 290px; padding: 25px 23px; border: 6px solid #fff; box-shadow: 0 18px 30px rgba(25, 76, 105, .13); }.skin-card span, .skin-card small { display: block; }.skin-card strong { display: block; margin-top: 70px; font-size: 22px; line-height: 1.35; }.skin-card small { position: absolute; bottom: 22px; left: 23px; font-size: 9px; letter-spacing: 1px; }.skin-label { font-size: 9px; letter-spacing: 1.5px; }.skin-yellow { z-index: 1; top: 62px; left: 30px; color: #34484f; background: #f9dc59; transform: rotate(-10deg); }.skin-blue { z-index: 2; top: 13px; left: 190px; color: #dffbff; background: #2587ab; transform: rotate(7deg); }.skin-pink { z-index: 3; top: 104px; left: 342px; color: #fff2ec; background: #ed8b7f; transform: rotate(12deg); }.skin-sticker { position: absolute; z-index: 4; right: 16px; bottom: 13px; display: grid; place-items: center; width: 77px; height: 77px; border-radius: 50%; color: var(--blue); background: #fff; font-size: 28px; box-shadow: 0 12px 25px rgba(25, 76, 105, .13); }.skin-sticker small { color: #91a4af; font-size: 9px; }

.cta-band { padding: 80px 0; color: #fff; background: var(--blue); }.cta-inner { display: flex; align-items: center; justify-content: space-between; }.cta-band .eyebrow { color: #99e3e7; }.cta-band h2 { margin: 0; font-size: clamp(35px, 4vw, 50px); font-weight: 300; line-height: 1.25; }.cta-band h2 span { color: #a7f0eb; }.cta-band .button-light { min-width: 190px; }

.site-footer { color: #7990a1; background: #f7fbfc; }.footer-top { min-height: 210px; display: flex; align-items: center; justify-content: space-between; }.footer-brand { align-self: flex-start; margin-top: 56px; }.footer-links { display: flex; gap: 80px; }.footer-links div { display: grid; gap: 9px; min-width: 110px; font-size: 11px; }.footer-links strong { margin-bottom: 5px; color: var(--ink); font-size: 12px; }.footer-links a:hover { color: var(--blue); }.footer-bottom { min-height: 58px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); font-size: 10px; }

/* Download page */
.download-hero { min-height: 450px; padding-top: 86px; background: #eaf8fb; }.download-hero-inner { min-height: 364px; display: grid; grid-template-columns: 1fr 1fr; align-items: center; }.download-hero h1 { margin-bottom: 18px; font-size: clamp(45px, 5vw, 68px); font-weight: 300; line-height: 1.18; }.download-hero h1 em { color: var(--blue); font-style: normal; font-weight: 800; }.download-hero p:not(.eyebrow) { max-width: 430px; color: var(--muted); font-size: 14px; line-height: 1.9; }.download-orbit { height: 320px; position: relative; }.orbit { position: absolute; border: 1px solid rgba(41, 145, 167, .25); border-radius: 50%; transform: rotate(-18deg); }.orbit-a { width: 310px; height: 175px; top: 67px; right: 25px; }.orbit-b { width: 390px; height: 245px; top: 31px; right: -16px; transform: rotate(32deg); }.orbit-core { position: absolute; top: 100px; right: 154px; display: grid; place-items: center; width: 105px; height: 105px; border-radius: 50%; color: #fff; background: var(--blue); box-shadow: 0 17px 25px rgba(20, 101, 179, .2); }.orbit-core span { font-size: 43px; font-style: italic; font-weight: 800; line-height: 1; }.orbit-core small { font-size: 8px; letter-spacing: 1px; }.orbit-label { position: absolute; padding: 8px 11px; border: 1px solid #b7dfe6; border-radius: 3px; color: #577b89; background: rgba(255,255,255,.74); font-size: 10px; }.label-win { top: 62px; right: 65px; }.label-mac { top: 205px; right: 38px; }.label-phone { top: 131px; right: 374px; }
.download-section { padding-top: 105px; }.download-title-row { display: flex; align-items: end; justify-content: space-between; margin-bottom: 38px; }.download-title-row h2 { margin: 0; font-size: 36px; font-weight: 300; }.version-note { padding-bottom: 5px; color: #879aa8; font-size: 11px; }.download-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 17px; }.download-card { min-height: 195px; position: relative; display: grid; grid-template-columns: 62px 1fr auto; gap: 21px; align-items: center; padding: 28px 29px; border: 1px solid var(--line); background: #fff; transition: .25s ease; }.download-card:hover { border-color: #a9d5de; box-shadow: 0 14px 27px rgba(36, 107, 130, .08); transform: translateY(-3px); }.download-card.recommended { border-top: 3px solid var(--cyan); }.recommend-badge { position: absolute; top: 0; right: 0; padding: 4px 10px; color: #fff; background: var(--cyan); font-size: 9px; }.device-icon { display: grid; place-items: center; width: 58px; height: 58px; border-radius: 12px; font-size: 27px; font-weight: 700; }.device-windows { color: var(--blue); background: #e1f5f8; }.device-mac { color: #405a6f; background: #edf0f3; }.device-android { color: #3b9677; background: #e3f5ed; }.device-ios { color: #6a7181; background: #eef0f5; }.download-card-copy h3 { margin: 0 0 4px; font-size: 19px; }.download-card-copy p { margin: 0 0 6px; color: #698191; font-size: 12px; }.download-card-copy small { color: #9aabb5; font-size: 10px; }.download-card .button { min-width: 125px; padding: 0 15px; gap: 11px; font-size: 11px; }
.install-section { padding-top: 45px; background: var(--mist); }.install-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 105px; align-items: center; }.install-panel h2 { font-size: 42px; }.step-list { margin-top: 42px; }.step-item { display: flex; gap: 17px; align-items: flex-start; padding: 18px 0; border-top: 1px solid #d5e7ec; }.step-item:last-child { border-bottom: 1px solid #d5e7ec; }.step-item > b { color: var(--coral); font-size: 11px; letter-spacing: 1px; }.step-item span { display: grid; gap: 2px; }.step-item strong { font-size: 13px; }.step-item small { color: #8296a2; font-size: 10px; }.setup-visual { height: 370px; position: relative; }.setup-window { position: absolute; top: 40px; right: 46px; width: 420px; overflow: hidden; border: 1px solid #cae4ea; border-radius: 7px; background: #fff; box-shadow: 0 20px 35px rgba(56, 112, 135, .12); transform: rotate(5deg); }.setup-header { display: flex; align-items: center; justify-content: space-between; padding: 12px 17px; color: #8ca0ad; border-bottom: 1px solid #e1edf0; font-size: 10px; }.setup-body { display: flex; gap: 14px; align-items: center; padding: 35px 40px 24px; }.setup-avatar { display: grid; place-items: center; width: 54px; height: 54px; color: #fff; border-radius: 15px 15px 15px 4px; background: var(--blue); font-size: 29px; font-style: italic; font-weight: 800; }.setup-body div:nth-child(2) { display: grid; gap: 4px; }.setup-body strong { font-size: 15px; }.setup-body small { color: #87a0aa; font-size: 10px; }.setup-body i { margin-left: auto; display: grid; place-items: center; width: 24px; height: 24px; color: #fff; border-radius: 50%; background: #39bfaa; font-style: normal; }.setup-progress { height: 5px; margin: 0 40px; background: #e4f2f3; }.setup-progress span { display: block; width: 74%; height: 100%; background: var(--cyan); }.setup-footer { display: flex; align-items: center; justify-content: space-between; padding: 22px 40px 28px; color: #8aa0aa; font-size: 10px; }.setup-footer b { color: var(--blue); }.setup-orb { position: absolute; display: grid; place-items: center; width: 75px; height: 75px; border: 1px solid #bcdfe6; border-radius: 50%; color: var(--blue); background: #fff; box-shadow: 0 12px 21px rgba(56, 112, 135, .1); font-size: 10px; }.orb-one { top: 29px; left: 45px; }.orb-two { right: 22px; bottom: 20px; width: 48px; height: 48px; color: #fff; background: var(--coral); font-size: 21px; }
.faq-section { padding: 110px 0 130px; background: #fff; }.faq-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 130px; }.faq-grid h2 { margin: 0 0 14px; font-size: 38px; font-weight: 300; }.faq-grid > div > p:last-child { color: var(--muted); font-size: 13px; }.faq-list details { border-top: 1px solid var(--line); }.faq-list details:last-child { border-bottom: 1px solid var(--line); }.faq-list summary { display: flex; align-items: center; justify-content: space-between; padding: 21px 0; cursor: pointer; list-style: none; font-size: 14px; font-weight: 700; }.faq-list summary::-webkit-details-marker { display: none; }.faq-list summary span { color: var(--blue); font-size: 21px; font-weight: 300; transition: transform .2s ease; }.faq-list details[open] summary span { transform: rotate(45deg); }.faq-list details p { max-width: 650px; margin: -2px 40px 22px 0; color: var(--muted); font-size: 12px; line-height: 1.9; }
.toast { position: fixed; z-index: 20; right: 24px; bottom: 24px; max-width: 320px; padding: 13px 17px; color: #fff; border-radius: 3px; background: var(--deep); box-shadow: 0 12px 24px rgba(12, 40, 70, .2); font-size: 12px; opacity: 0; pointer-events: none; transform: translateY(12px); transition: .25s ease; }.toast.show { opacity: 1; transform: translateY(0); }

.feature-card, .download-card { transition: border-color .35s ease, box-shadow .35s ease, transform .35s ease; }
.feature-card:hover, .download-card:hover { border-color: #9ed7df; box-shadow: 0 18px 35px rgba(30, 101, 123, .1); }
.feature-icon { transition: transform .35s ease; }
.feature-card:hover .feature-icon { transform: rotate(12deg) scale(1.08); }
.skin-card { transition: box-shadow .35s ease, filter .35s ease; }
.skin-card:hover { z-index: 6; filter: saturate(1.12); box-shadow: 0 24px 42px rgba(25, 76, 105, .22); }
.skin-yellow { animation: skin-yellow-float 7s ease-in-out infinite; }
.skin-blue { animation: skin-blue-float 6s -1.2s ease-in-out infinite; }
.skin-pink { animation: skin-pink-float 8s -2.4s ease-in-out infinite; }
.skin-sticker { animation: sticker-pulse 3.7s ease-in-out infinite; }
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .75s ease, transform .75s cubic-bezier(.2,.75,.25,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.feature-card.reveal.is-visible:hover, .download-card.reveal.is-visible:hover { transform: translateY(-6px); }
.phrase-switcher { display: inline-block; min-width: 220px; transition: opacity .25s ease, transform .25s ease; }
.phrase-switcher.is-changing { opacity: 0; transform: translateY(4px); }
.product-stage.is-tilting .laptop { animation-play-state: paused; transform: translate(var(--pointer-x), var(--pointer-y)) rotate(-7deg); }
.product-stage.is-tilting .phone { animation-play-state: paused; transform: translate(calc(var(--pointer-x) * 1.45), calc(var(--pointer-y) * 1.45)) rotate(12deg); }
.download-orbit.is-tilting .orbit-core { transform: translate(var(--pointer-x), var(--pointer-y)); }

@keyframes breathe { 0%,100% { transform: scale(.96); opacity: .72; } 50% { transform: scale(1.04); opacity: 1; } }
@keyframes light-pass { 0%,100% { opacity: .14; transform: translateX(-22px) rotate(-29deg); } 45% { opacity: .8; } 70% { opacity: .25; transform: translateX(75px) rotate(-29deg); } }
@keyframes laptop-float { 0%,100% { transform: translateY(0) rotate(-7deg); } 50% { transform: translateY(-9px) rotate(-5.8deg); } }
@keyframes phone-float { 0%,100% { transform: translateY(0) rotate(12deg); } 50% { transform: translateY(12px) rotate(14deg); } }
@keyframes chip-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
@keyframes skin-yellow-float { 0%,100% { transform: translateY(0) rotate(-10deg); } 50% { transform: translateY(-9px) rotate(-8deg); } }
@keyframes skin-blue-float { 0%,100% { transform: translateY(0) rotate(7deg); } 50% { transform: translateY(10px) rotate(9deg); } }
@keyframes skin-pink-float { 0%,100% { transform: translateY(0) rotate(12deg); } 50% { transform: translateY(-8px) rotate(10deg); } }
@keyframes sticker-pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.06); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

.text-link i { margin-left: 12px; font-size: 14px; vertical-align: -1px; }
.sync-visual span { padding: 17px 0; }
.sync-visual span i { display: block; margin-bottom: 5px; color: var(--blue); font-size: 16px; }
.sync-visual > i { color: var(--blue); font-size: 18px; font-style: normal; }

/* Larger reading scale for the main product copy and controls. */
.brand-copy strong { font-size: 18px; }
.brand-copy small { font-size: 9px; }
.main-nav { font-size: 15px; }
.nav-download { font-size: 14px; }
.eyebrow { font-size: 12px; }
.hero-text, .download-hero p:not(.eyebrow) { font-size: 16px; }
.button { font-size: 15px; }
.hero-note { font-size: 13px; }
.proof-grid span { font-size: 13px; }
.section-heading > p:last-child, .expression-copy > p:not(.eyebrow), .install-panel > p:not(.eyebrow) { font-size: 16px; }
.feature-card h3 { font-size: 24px; }
.feature-card p { font-size: 15px; }
.mini-row { font-size: 11px; }
.text-link { font-size: 13px; }
.sync-visual { font-size: 12px; }
.footer-links div { font-size: 13px; }
.footer-links strong { font-size: 14px; }
.footer-bottom { font-size: 12px; }
.download-title-row h2 { font-size: 40px; }
.version-note { font-size: 13px; }
.recommend-badge { font-size: 11px; }
.download-card-copy h3 { font-size: 21px; }
.download-card-copy p { font-size: 14px; }
.download-card-copy small { font-size: 12px; }
.download-card .button { font-size: 13px; }
.step-item > b { font-size: 12px; }
.step-item strong { font-size: 15px; }
.step-item small { font-size: 12px; }
.faq-grid > div > p:last-child, .faq-list details p { font-size: 14px; }
.faq-list summary { font-size: 16px; }
.setup-header, .setup-footer { font-size: 12px; }
.setup-body small { font-size: 12px; }

@media (max-width: 650px) {
  .brand-copy strong { font-size: 15px; }
  .brand-copy small { font-size: 8px; }
  .hero-text, .download-hero p:not(.eyebrow) { font-size: 15px; }
  .button { font-size: 14px; }
  .hero-note { font-size: 12px; }
  .proof-grid span { font-size: 11px; }
  .section-heading > p:last-child, .expression-copy > p:not(.eyebrow), .install-panel > p:not(.eyebrow) { font-size: 15px; }
  .feature-card h3 { font-size: 22px; }
  .feature-card p { font-size: 14px; }
  .footer-links div { font-size: 12px; }
  .footer-bottom { font-size: 11px; }
  .download-title-row h2 { font-size: 34px; }
  .download-card-copy h3 { font-size: 19px; }
  .download-card-copy p { font-size: 13px; }
  .download-card-copy small { font-size: 11px; }
  .download-card .button { font-size: 14px; }
  .step-item strong { font-size: 14px; }
  .step-item small { font-size: 11px; }
  .faq-grid > div > p:last-child, .faq-list details p { font-size: 13px; }
  .faq-list summary { font-size: 15px; }
}

@media (max-width: 900px) {
  .container { width: min(var(--max), calc(100% - 40px)); }
  .nav-wrap { gap: 20px; }.brand { min-width: 180px; }.main-nav { gap: 18px; }.main-nav a { font-size: 12px; }
  .hero-grid { grid-template-columns: 1fr; padding-top: 145px; }.hero { min-height: 980px; }.product-stage { min-height: 420px; margin-top: -10px; }.laptop { right: 11%; }.phone { right: 1%; }.stage-glow { left: 26%; }.chip-cloud { left: 10%; }
  .proof-grid { grid-template-columns: repeat(3, 1fr); }.proof-tag { display: none; }
  .feature-grid { grid-template-columns: 1fr 1fr; }.feature-main { grid-column: span 2; }
  .expression-grid, .install-grid, .faq-grid { grid-template-columns: 1fr; gap: 50px; }.skin-showcase { max-width: 650px; }
  .download-hero-inner { grid-template-columns: 1fr .8fr; }.label-phone { right: 280px; }
  .download-grid { grid-template-columns: 1fr; }.install-section { padding-top: 80px; }.setup-visual { max-width: 600px; }
}
@media (max-width: 650px) {
  .container { width: calc(100% - 32px); }.site-header { background: rgba(238, 249, 252, .9); }.nav-wrap { height: 72px; }.brand { min-width: 0; }.brand-copy strong { font-size: 14px; }.brand-copy small { font-size: 7px; }.main-nav, .nav-download { display: none; }.main-nav.mobile-open { position: absolute; top: 72px; right: 16px; left: 16px; display: grid; gap: 0; padding: 7px 16px; border: 1px solid var(--line); background: rgba(255,255,255,.98); box-shadow: 0 15px 30px rgba(34, 96, 122, .12); }.main-nav.mobile-open a { padding: 13px 0; border-bottom: 1px solid #edf3f5; font-size: 13px; }.main-nav.mobile-open a:last-child { border-bottom: 0; }.main-nav.mobile-open a.active::after { display: none; }.menu-toggle { display: block; margin-left: auto; }
  .hero { min-height: 870px; }.hero-grid { min-height: 870px; padding-top: 120px; }.hero h1 { font-size: 51px; }.hero-text { font-size: 13px; }.hero-actions { gap: 10px; }.button { min-height: 45px; padding: 0 16px; }.product-stage { min-height: 340px; transform: scale(.76); transform-origin: top center; margin-bottom: -70px; }.laptop { right: -7%; top: 72px; }.phone { right: -12%; top: 185px; }.chip-cloud { top: 46px; left: 5%; }.chip-ai { right: 5%; bottom: 22px; }.scroll-cue { display: none; }
  .proof-grid { min-height: 105px; }.proof-grid > div { padding-left: 12px; }.proof-grid strong { font-size: 19px; }.proof-grid span { font-size: 9px; }
  .section { padding: 78px 0; }.section-heading { margin-bottom: 34px; }.section-heading h2, .expression-copy h2, .install-panel h2 { font-size: 37px; }.feature-grid { grid-template-columns: 1fr; }.feature-main { grid-column: auto; }.feature-card { min-height: 330px; }.mini-chat { right: 20px; bottom: 27px; width: 190px; }.sync-visual { bottom: 35px; }.shortcut-row { bottom: 40px; }
  .skin-showcase { min-height: 390px; transform: scale(.76); transform-origin: top left; width: 130%; }.skin-yellow { left: 4px; }.skin-blue { left: 154px; }.skin-pink { left: 299px; }
  .cta-inner { display: grid; gap: 28px; }.cta-band { padding: 62px 0; }
  .footer-top { min-height: 260px; display: grid; gap: 32px; align-content: center; }.footer-brand { margin-top: 0; }.footer-links { gap: 26px; }.footer-links div { min-width: 78px; }.footer-bottom { min-height: 80px; display: grid; align-content: center; gap: 5px; }
  .download-hero { min-height: 690px; }.download-hero-inner { display: block; padding-top: 75px; }.download-hero h1 { font-size: 50px; }.download-orbit { margin-top: 24px; transform: scale(.76); transform-origin: top center; }
  .download-title-row { display: block; }.version-note { display: block; margin-top: 10px; }.download-card { grid-template-columns: 52px 1fr; gap: 14px; padding: 24px 18px; }.download-card .button { grid-column: 1 / -1; width: 100%; }.device-icon { width: 50px; height: 50px; }.download-card-copy h3 { font-size: 17px; }
  .setup-visual { height: 300px; transform: scale(.74); transform-origin: top left; width: 135%; }.setup-window { right: 10px; }.orb-one { left: 0; }.faq-grid { gap: 35px; }.faq-section { padding: 75px 0 90px; }
}

@media (max-width: 650px) {
  .hero-text, .download-hero p:not(.eyebrow) { font-size: 15px; }
  .button { font-size: 14px; }
  .hero-note { font-size: 12px; }
  .proof-grid span { font-size: 11px; }
  .section-heading > p:last-child, .expression-copy > p:not(.eyebrow), .install-panel > p:not(.eyebrow) { font-size: 15px; }
  .feature-card h3 { font-size: 22px; }
  .feature-card p { font-size: 14px; }
  .download-card-copy h3 { font-size: 19px; }
  .download-card-copy p { font-size: 13px; }
  .download-card-copy small { font-size: 11px; }
  .download-card .button { font-size: 14px; }
  .step-item strong { font-size: 14px; }
  .step-item small { font-size: 11px; }
  .faq-grid > div > p:last-child, .faq-list details p { font-size: 13px; }
  .faq-list summary { font-size: 15px; }
}