:root {
  color-scheme: light;
  --ink: #101a34;
  --muted: #65718a;
  --blue: #4f6ef7;
  --deep-blue: #3155e9;
  --line: #e4eaf5;
  --pale: #f6f8fd;
  --white: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
svg { width: 24px; height: 24px; }
::selection { color: #fff; background: var(--blue); }
:focus-visible { outline: 3px solid #67d6f5; outline-offset: 4px; }
.skip-link { position: fixed; z-index: 200; top: -70px; left: 16px; padding: 11px 16px; color: #fff; background: var(--ink); border-radius: 10px; }
.skip-link:focus { top: 12px; }
.page-width { width: min(1220px, calc(100% - 80px)); margin: 0 auto; }
.section { padding: 130px 0; scroll-margin-top: 80px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 78px;
  border-bottom: 1px solid rgba(185, 199, 227, .45);
  background: rgba(251, 252, 255, .88);
  backdrop-filter: blur(18px);
}
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; white-space: nowrap; font-size: 20px; font-weight: 850; letter-spacing: -.045em; }
.brand img { object-fit: contain; }
.site-nav { display: flex; align-items: center; gap: 38px; font-size: 14px; font-weight: 650; }
.site-nav > a:not(.nav-download) { color: #34425e; transition: color .2s ease; }
.site-nav > a:not(.nav-download):hover { color: var(--blue); }
.nav-download { display: inline-flex; align-items: center; gap: 20px; padding: 12px 19px; color: white; border-radius: 100px; background: #15203c; box-shadow: 0 8px 22px rgba(20, 32, 61, .12); transition: transform .2s ease, background .2s ease; }
.nav-download:hover { background: var(--blue); transform: translateY(-2px); }
.nav-download span { font-size: 17px; }
.menu-toggle { display: none; }

.hero { position: relative; min-height: 770px; overflow: hidden; background: linear-gradient(120deg, #f7f9ff 0%, #f8fbff 55%, #eef5ff 100%); }
.hero-grid { position: absolute; inset: 0; opacity: .42; background-image: linear-gradient(rgba(97, 129, 208, .075) 1px, transparent 1px), linear-gradient(90deg, rgba(97, 129, 208, .075) 1px, transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(90deg, transparent, #000 30%, #000 85%, transparent); }
.hero-glow { position: absolute; border-radius: 50%; pointer-events: none; filter: blur(18px); }
.hero-glow-one { width: 610px; height: 610px; right: -170px; top: -270px; background: radial-gradient(circle, rgba(91, 143, 255, .21), transparent 68%); }
.hero-glow-two { width: 680px; height: 510px; right: 8%; bottom: -340px; background: radial-gradient(circle, rgba(70, 217, 232, .16), transparent 68%); }
.hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, .91fr) minmax(0, 1.09fr); align-items: center; gap: 8px; padding-top: 78px; padding-bottom: 38px; }
.hero-copy { position: relative; z-index: 3; padding-bottom: 30px; }
.eyebrow, .section-kicker { font-size: 12px; font-weight: 850; letter-spacing: .14em; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; width: fit-content; padding: 10px 14px; color: #3c59b9; border: 1px solid #d9e3ff; background: #eaf0ff; border-radius: 50px; letter-spacing: .08em; }
.eyebrow-dot { display: inline-block; width: 8px; height: 8px; background: #5378fa; border-radius: 50%; box-shadow: 0 0 0 4px rgba(79, 110, 247, .13); }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { margin: 30px 0 24px; font-size: clamp(56px, 5.15vw, 84px); line-height: 1.13; font-weight: 900; letter-spacing: -.078em; }
.hero h1 span { color: var(--blue); background: linear-gradient(95deg, #3156e9 0%, #6779f5 66%, #57b9e9 100%); background-clip: text; -webkit-text-fill-color: transparent; }
.hero-lede { max-width: 520px; color: #53617b; font-size: 17px; line-height: 1.95; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 35px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 13px; border: 1px solid transparent; border-radius: 15px; font-weight: 750; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-3px); }
.button-primary { color: #fff; background: linear-gradient(110deg, #4768f7, #3658e9); box-shadow: 0 12px 26px rgba(79, 110, 247, .24); }
.button-primary:hover { box-shadow: 0 17px 31px rgba(79, 110, 247, .32); }
.button-secondary { color: #172447; background: #fff; border-color: #dce5f5; box-shadow: 0 10px 25px rgba(67, 90, 140, .07); }
.button-secondary:hover { border-color: #9bb2ff; box-shadow: 0 15px 30px rgba(67, 90, 140, .12); }
.button-dark { color: #fff; background: #17213a; box-shadow: 0 12px 26px rgba(13, 24, 49, .15); }
.button-dark:hover { background: #273965; }
.hero-actions .button { min-height: 70px; padding: 12px 18px; font-size: 14px; }
.hero-actions .button > svg { width: 22px; height: 22px; flex: none; }
.hero-actions .button > span:nth-child(2) { display: flex; flex-direction: column; align-items: flex-start; gap: 3px; white-space: nowrap; }
.hero-actions small { opacity: .72; font-size: 11px; font-weight: 500; }
.button-arrow { align-self: flex-start; font-size: 18px; font-weight: 500; opacity: .75; }
.hero-footnote { margin: 16px 0 0; color: #7a87a1; font-size: 12px; }
.hero-bottom { position: relative; display: flex; align-items: center; gap: 38px; padding-bottom: 30px; color: #6c7890; font-size: 12px; font-weight: 650; }
.hero-line { width: 48px; height: 1px; background: #9db1d8; }
.hero-bottom span { margin-right: 7px; color: #97a6c6; font-weight: 850; }

.hero-art { position: relative; height: 610px; min-width: 0; }
.art-halo { position: absolute; width: 690px; height: 590px; top: 5px; left: -24px; border-radius: 50%; background: radial-gradient(ellipse, rgba(103, 146, 255, .21), rgba(90, 159, 255, .07) 51%, transparent 72%); }
.art-ring { position: absolute; border: 1px solid rgba(93, 133, 238, .18); border-radius: 50%; transform: rotate(-20deg); }
.ring-one { width: 660px; height: 390px; top: 90px; left: -10px; }
.ring-two { width: 570px; height: 310px; top: 125px; left: 35px; }
.desktop-shell { position: absolute; top: 98px; left: 10px; width: 566px; height: 376px; overflow: hidden; border: 8px solid #1d2a48; border-radius: 20px; background: #fff; box-shadow: 0 46px 80px rgba(38, 72, 143, .28), 0 16px 20px rgba(30, 52, 102, .12); transform: perspective(1000px) rotateY(-6deg) rotateX(4deg) rotateZ(-2deg); }
.desktop-bar { height: 37px; display: flex; justify-content: space-between; align-items: center; padding: 0 13px; border-bottom: 1px solid #e9edf5; background: #fbfcff; }
.window-dots { display: flex; gap: 5px; }
.window-dots i { width: 7px; height: 7px; border-radius: 50%; background: #ccd5e5; }
.window-dots i:first-child { background: #ff7f80; }
.window-dots i:nth-child(2) { background: #ffcc6e; }
.window-dots i:nth-child(3) { background: #7bd6a0; }
.desktop-title { display: flex; align-items: center; gap: 5px; font-size: 10px; font-weight: 800; color: #5a6781; }
.desktop-title img { width: 17px; height: 17px; }
.bar-end { width: 31px; }
.desktop-body { display: flex; height: calc(100% - 37px); background: #f6f8fc; }
.desktop-side { display: flex; flex-direction: column; gap: 6px; width: 130px; flex: none; padding: 15px 9px; border-right: 1px solid #e9edf5; background: #fff; }
.side-logo { padding: 0 7px 14px; }
.side-logo img { width: 28px; height: 28px; }
.side-item { display: flex; align-items: center; gap: 8px; min-height: 30px; padding: 6px 8px; color: #77839b; border-radius: 6px; font-size: 10px; font-weight: 700; white-space: nowrap; }
.side-item.active { color: #3d60ed; background: #eef2ff; }
.side-symbol { font-size: 14px; line-height: 1; }
.side-bottom { width: 75%; height: 8px; margin: auto auto 4px 8px; border-radius: 10px; background: #e7ebf3; }
.desktop-content { flex: 1; min-width: 0; padding: 18px 19px; }
.content-head { display: flex; justify-content: space-between; align-items: flex-start; }
.content-head div { display: flex; flex-direction: column; gap: 4px; }
.content-head small { color: #a3aec1; font-size: 7px; letter-spacing: .14em; }
.content-head strong { color: #17213b; font-size: 17px; }
.content-icon { color: #98a5bb; letter-spacing: 2px; }
.summary-row { display: flex; gap: 10px; margin: 15px 0 14px; }
.summary-card { display: flex; flex-direction: column; gap: 5px; flex: 1; padding: 13px 15px; border: 1px solid #e4eafb; border-radius: 10px; background: #fff; }
.summary-card span { color: #96a0b5; font-size: 9px; }
.summary-card strong { color: #26355d; font-size: 13px; }
.summary-card b { color: #7788f5; }
.summary-signal { display: flex; align-items: center; gap: 6px; width: 118px; padding: 10px; color: #4960c4; border-radius: 10px; background: #eaf0ff; font-size: 9px; font-weight: 800; }
.summary-signal i { width: 7px; height: 7px; border-radius: 50%; background: #4f6ef7; box-shadow: 0 0 0 4px rgba(79, 110, 247, .12); }
.device-table { overflow: hidden; border: 1px solid #e7ebf4; border-radius: 10px; background: #fff; }
.table-head, .table-row { display: grid; grid-template-columns: 1.5fr .65fr .7fr; align-items: center; }
.table-head { padding: 9px 11px; color: #a0aabc; background: #fafbfe; font-size: 9px; }
.table-row { padding: 9px 11px; color: #69758c; border-top: 1px solid #f0f2f7; font-size: 9px; }
.table-row > span:first-child { display: flex; align-items: center; gap: 7px; color: #283752; font-weight: 750; }
.device-avatar { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 6px; font-size: 10px; font-style: normal; font-weight: 850; }
.avatar-blue { color: #4d67dd; background: #edf1ff; }
.avatar-purple { color: #8962da; background: #f1ecff; }
.avatar-slate { color: #9facbd; background: #eff2f7; }
.table-row .status { color: #22a97f; font-weight: 700; }
.status i { display: inline-block; width: 5px; height: 5px; margin-right: 4px; border-radius: 50%; background: #2ec69a; }
.table-row.faint { opacity: .62; }
.phone-shell { position: absolute; z-index: 3; right: -12px; bottom: 47px; width: 195px; height: 402px; padding: 7px; border: 4px solid #18243e; border-radius: 29px; background: #18243e; box-shadow: 0 38px 65px rgba(24, 52, 113, .35), 0 10px 18px rgba(14, 30, 72, .18); transform: rotate(7deg); }
.phone-content { height: 100%; overflow: hidden; position: relative; border-radius: 20px; background: #fcfdff; text-align: center; }
.phone-camera { position: absolute; z-index: 4; top: 12px; left: 50%; width: 56px; height: 9px; transform: translateX(-50%); border-radius: 10px; background: #17233d; }
.phone-top { display: flex; justify-content: space-between; margin: 9px 13px 0; color: #344365; font-size: 8px; font-weight: 850; }
.phone-app-icon { width: 47px; height: 47px; margin: 34px auto 6px; }
.phone-brand { display: block; font-size: 13px; letter-spacing: -.04em; }
.phone-caption { display: block; margin-top: 3px; color: #8d9ab0; font-size: 8px; }
.phone-status { display: flex; align-items: center; justify-content: center; gap: 7px; height: 59px; margin: 19px 15px 18px; color: #295dd8; border: 1px solid #dbe6ff; border-radius: 13px; background: linear-gradient(135deg, #eff4ff, #e8f2ff); font-size: 13px; font-weight: 800; }
.phone-status-dot { width: 9px; height: 9px; border-radius: 50%; background: #46cba6; box-shadow: 0 0 0 4px rgba(70, 203, 166, .16); }
.phone-setting { display: flex; justify-content: space-between; align-items: center; margin: 0 15px; padding: 11px 0; border-bottom: 1px solid #eef0f5; color: #8d99af; font-size: 8px; }
.phone-setting strong { color: #344260; font-size: 8px; }
.phone-setting strong span { color: var(--blue); }
.phone-main-button { display: flex; justify-content: center; gap: 25px; margin: 17px 15px 0; padding: 12px; color: #fff; border-radius: 10px; background: #4f6ef7; box-shadow: 0 9px 15px rgba(79, 110, 247, .24); font-size: 9px; font-weight: 800; }
.phone-bottom-line { position: absolute; bottom: 8px; left: 50%; width: 49px; height: 3px; transform: translateX(-50%); border-radius: 4px; background: #cbd5e5; }
.float-card { position: absolute; z-index: 4; left: 42px; bottom: 83px; display: flex; align-items: center; gap: 10px; padding: 12px 17px; border: 1px solid #e9edf8; border-radius: 12px; background: rgba(255, 255, 255, .96); box-shadow: 0 20px 35px rgba(57, 85, 145, .14); transform: rotate(-3deg); }
.float-icon { display: grid; place-items: center; width: 27px; height: 27px; color: #fff; border-radius: 9px; background: #4f6ef7; font-size: 15px; font-weight: 900; }
.float-card span:last-child { display: flex; flex-direction: column; gap: 3px; }
.float-card strong { font-size: 10px; }
.float-card small { color: #9aa5ba; font-size: 8px; }
.art-caption { position: absolute; right: 6px; bottom: 6px; color: #a0aec8; font-size: 11px; }

.section-heading h2, .workflow-intro h2, .faq-inner h2 { margin: 15px 0 16px; font-size: clamp(35px, 3.4vw, 52px); line-height: 1.3; letter-spacing: -.06em; font-weight: 900; }
.section-heading p { max-width: 650px; margin-bottom: 0; color: var(--muted); font-size: 16px; line-height: 1.9; }
.section-kicker { color: #536fe4; }
.centered { text-align: center; }
.centered p { margin-left: auto; margin-right: auto; }
.features-section { background: #fff; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 56px; }
.feature-card { display: flex; flex-direction: column; min-height: 345px; padding: 30px 29px 24px; border: 1px solid #e8edf6; border-radius: 24px; background: #fff; box-shadow: 0 15px 35px rgba(44, 63, 109, .035); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.feature-card:hover { transform: translateY(-6px); border-color: #ccd9fa; box-shadow: 0 25px 45px rgba(44, 63, 109, .09); }
.feature-icon { display: grid; place-items: center; width: 60px; height: 60px; margin-bottom: 30px; border-radius: 17px; }
.feature-icon svg { width: 34px; height: 34px; }
.icon-blue { color: #4f6ef7; background: #ecf1ff; }
.icon-purple { color: #8965e8; background: #f1edff; }
.icon-cyan { color: #1fa7c2; background: #e9f9fc; }
.feature-number { color: #a1abc0; font-size: 10px; font-weight: 850; letter-spacing: .13em; }
.feature-card h3 { margin: 9px 0 12px; font-size: 22px; letter-spacing: -.04em; }
.feature-card p { margin-bottom: 26px; color: #64718b; font-size: 14px; line-height: 1.85; }
.feature-tail { display: flex; justify-content: space-between; margin-top: auto; padding-top: 16px; color: #6479d6; border-top: 1px solid #edf0f6; font-size: 12px; font-weight: 750; }
.feature-tail span { font-size: 16px; }

.platforms-section { background: #f7f9fd; }
.split-heading { display: flex; align-items: end; justify-content: space-between; gap: 45px; }
.split-heading p { max-width: 340px; padding-bottom: 8px; font-size: 14px; }
.platform-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 53px; }
.platform-card { position: relative; min-height: 590px; overflow: hidden; border-radius: 28px; }
.platform-pc { color: #fff; background: radial-gradient(circle at 95% 100%, #263e86 0%, transparent 45%), linear-gradient(135deg, #182c58, #101e3e); }
.platform-android { background: radial-gradient(circle at 95% 94%, #b7d6ff 0%, transparent 47%), linear-gradient(130deg, #e3eeff, #dceaff); }
.platform-copy { position: relative; z-index: 2; max-width: 410px; padding: 45px 42px; }
.platform-tag { display: inline-flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 50px; background: rgba(255, 255, 255, .12); font-size: 11px; font-weight: 800; letter-spacing: .09em; }
.platform-android .platform-tag { color: #385ad0; background: rgba(255, 255, 255, .68); }
.tag-mark { font-size: 15px; line-height: 1; }
.platform-card h3 { margin: 24px 0 15px; font-size: clamp(27px, 2.7vw, 36px); line-height: 1.35; letter-spacing: -.055em; }
.platform-card p { margin-bottom: 18px; color: #c6d2e7; font-size: 14px; line-height: 1.85; }
.platform-android p { color: #5b6d91; }
.platform-card ul { margin: 0 0 22px; padding-left: 17px; color: #dce5f6; font-size: 12px; line-height: 2.2; }
.platform-android ul { color: #485e87; }
.text-link { display: inline-flex; align-items: center; gap: 13px; color: #fff; font-size: 12px; font-weight: 800; border-bottom: 1px solid rgba(255, 255, 255, .4); padding-bottom: 5px; }
.platform-android .text-link { color: #365cde; border-color: #98b1ed; }
.text-link span { font-size: 17px; }
.platform-pc-art { position: absolute; left: 40px; right: -42px; bottom: -36px; height: 205px; border: 7px solid #334668; border-radius: 18px; background: #f7f9fe; box-shadow: 0 -10px 35px rgba(0, 0, 0, .12); transform: rotate(-5deg); }
.mini-app-bar { display: flex; align-items: center; gap: 7px; height: 30px; padding: 0 12px; color: #64708c; border-bottom: 1px solid #e4e9f3; background: #fff; font-size: 8px; }
.mini-app-bar span:last-child { margin-left: auto; letter-spacing: 1px; }
.mini-dot { width: 7px; height: 7px; border-radius: 50%; background: #4f6ef7; }
.mode-visual { padding: 12px 20px; }
.mode-visual > span { display: block; margin-bottom: 9px; color: #2d3d60; font-size: 11px; font-weight: 800; }
.mode-visual div { display: flex; justify-content: space-between; padding: 8px 12px; margin-bottom: 5px; border: 1px solid #e5eaf4; border-radius: 7px; background: #fff; color: #4a5872; font-size: 9px; }
.mode-visual div:first-of-type { border-color: #a9bbff; background: #eef2ff; }
.mode-visual i { color: #8290a9; font-style: normal; font-weight: 550; }
.mode-visual div:first-of-type i { color: #4f6ef7; }
.platform-android-art { position: absolute; right: 35px; bottom: -24px; width: 280px; height: 228px; padding: 18px; border: 1px solid rgba(255, 255, 255, .9); border-radius: 25px; background: rgba(255, 255, 255, .91); box-shadow: 0 24px 45px rgba(67, 110, 184, .17); transform: rotate(7deg); }
.android-card-header { display: flex; align-items: center; gap: 8px; color: #24375e; font-size: 11px; font-weight: 850; }
.tiny-logo { display: grid; place-items: center; width: 25px; height: 25px; color: #fff; border-radius: 7px; background: #4f6ef7; font-size: 10px; font-style: italic; }
.android-card-main { display: flex; flex-direction: column; gap: 4px; margin-top: 18px; padding: 14px; border-radius: 13px; background: #edf4ff; }
.android-card-main span { color: #8ca0c4; font-size: 9px; }
.android-card-main strong { color: #3158cd; font-size: 14px; }
.android-progress { overflow: hidden; height: 5px; margin-top: 10px; border-radius: 10px; background: #d9e4fa; }
.android-progress i { display: block; width: 72%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #4f6ef7, #64bff7); }
.android-card-bottom { display: flex; justify-content: space-between; padding: 15px 2px; color: #677893; font-size: 10px; }
.android-card-bottom b { color: #365bdf; }

.workflow-section { overflow: hidden; background: #111e3a; color: #fff; }
.workflow-inner { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; }
.workflow-intro { padding-top: 18px; }
.workflow-intro .section-kicker { color: #8ba4ff; }
.workflow-intro h2 { margin-top: 21px; }
.workflow-intro p { max-width: 340px; color: #a6b4d1; font-size: 14px; line-height: 1.9; }
.workflow-list { margin: 0; padding: 0; list-style: none; }
.workflow-list li { display: flex; align-items: flex-start; gap: 26px; padding: 27px 0; border-top: 1px solid rgba(190, 209, 255, .17); }
.workflow-list li:last-child { border-bottom: 1px solid rgba(190, 209, 255, .17); }
.step-num { flex: none; color: #7d95ef; font-size: 14px; font-weight: 850; }
.workflow-list h3 { margin-bottom: 8px; font-size: 19px; }
.workflow-list p { max-width: 430px; margin-bottom: 0; color: #a8b7d4; font-size: 13px; line-height: 1.8; }
.step-arrow { margin-left: auto; color: #7c93c5; font-size: 19px; }

.downloads-section { background: linear-gradient(180deg, #f7f9fd, #fff); }
.download-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; max-width: 980px; margin: 54px auto 0; }
.download-card { display: flex; flex-direction: column; min-height: 453px; padding: 32px; border: 1px solid #e3eaf5; border-radius: 25px; background: #fff; box-shadow: 0 22px 50px rgba(56, 73, 122, .06); }
.download-card-top { display: flex; align-items: flex-start; justify-content: space-between; }
.download-platform-icon { display: grid; place-items: center; width: 58px; height: 58px; border-radius: 18px; }
.download-platform-icon svg { width: 28px; height: 28px; }
.windows-icon { color: #4770ed; background: #edf2ff; }
.android-icon { color: #33a4a6; background: #e9f9f7; }
.download-badge { padding: 7px 10px; border: 1px solid #e6ebf5; border-radius: 50px; color: #71809b; font-size: 11px; font-weight: 650; }
.download-card h3 { margin: 26px 0 8px; font-size: 27px; letter-spacing: -.04em; }
.download-card > p { color: #68768e; font-size: 13px; line-height: 1.8; }
.download-meta { display: flex; justify-content: space-between; gap: 15px; padding: 11px 0; border-top: 1px solid #edf0f5; color: #8793a8; font-size: 12px; }
.download-meta strong { color: #30405d; font-size: 12px; text-align: right; }
.download-button { display: flex; justify-content: space-between; width: 100%; min-height: 52px; margin-top: auto; padding: 0 18px; font-size: 13px; }
.download-button span { font-size: 18px; font-weight: 500; }
.checksum { margin-top: 16px; color: #75819a; font-size: 11px; }
.checksum summary { cursor: pointer; width: fit-content; }
.checksum summary:hover { color: var(--blue); }
.checksum code { display: block; margin-top: 9px; overflow-wrap: anywhere; color: #4d5e7d; font-size: 10px; line-height: 1.7; }
.download-note { margin: 25px 0 0; text-align: center; color: #8591a6; font-size: 12px; }

.faq-section { padding-top: 15px; background: #fff; }
.faq-inner { display: grid; grid-template-columns: .7fr 1.3fr; gap: 90px; }
.faq-inner > div:first-child p { color: #8190a8; font-size: 14px; }
.faq-list { border-top: 1px solid #e5eaf3; }
.faq-list details { padding: 20px 0; border-bottom: 1px solid #e5eaf3; }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 24px; cursor: pointer; list-style: none; font-size: 16px; font-weight: 750; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { display: grid; place-items: center; width: 25px; height: 25px; flex: none; border-radius: 50%; color: #4f6ef7; background: #edf1ff; font-size: 20px; font-weight: 400; transition: transform .2s ease; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list p { max-width: 600px; margin: 15px 35px 0 0; color: #6f7c93; font-size: 13px; line-height: 1.9; }

.site-footer { background: #101b34; color: #fff; }
.footer-main { display: flex; justify-content: space-between; gap: 40px; padding: 60px 0 55px; }
.footer-brand { font-size: 20px; }
.footer-main p { margin: 14px 0 0; color: #96a5c0; font-size: 13px; }
.footer-links { display: flex; align-items: start; gap: 35px; color: #b8c4dc; font-size: 13px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; padding: 20px 0 26px; border-top: 1px solid #2a3959; color: #7f8eab; font-size: 11px; }

@media (max-width: 1200px) {
  .hero-inner { grid-template-columns: 1fr 1fr; }
  .hero-art { transform: scale(.84); transform-origin: center left; }
  .hero h1 { font-size: 66px; }
  .hero-actions .button { padding-inline: 13px; }
  .hero-bottom { padding-top: 12px; }
}
@media (max-width: 960px) {
  .page-width { width: min(100% - 48px, 820px); }
  .section { padding: 100px 0; }
  .hero-inner { grid-template-columns: 1fr; padding-top: 88px; }
  .hero-copy { text-align: center; padding-bottom: 0; }
  .hero-copy .eyebrow { margin: 0 auto; }
  .hero h1 { font-size: 64px; }
  .hero-lede { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-art { width: 620px; max-width: 100%; height: 555px; margin: 5px auto 0; transform: none; }
  .hero-bottom { justify-content: center; gap: 28px; }
  .feature-grid { gap: 12px; }
  .feature-card { padding: 25px 22px; }
  .platform-card { min-height: 610px; }
  .platform-copy { padding: 35px 30px; }
  .workflow-inner, .faq-inner { gap: 45px; }
}
@media (max-width: 700px) {
  .site-header { height: 68px; }
  .page-width { width: calc(100% - 40px); }
  .brand { font-size: 19px; }
  .brand img { width: 37px; height: 37px; }
  .menu-toggle { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 40px; height: 40px; padding: 9px; border: 1px solid #dce4f3; border-radius: 10px; background: #fff; cursor: pointer; }
  .menu-toggle span { height: 2px; width: 100%; border-radius: 5px; background: #213252; transition: transform .2s ease, opacity .2s ease; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-7px) rotate(-45deg); }
  .site-nav { position: absolute; left: 0; right: 0; top: 68px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 10px 20px 18px; border-bottom: 1px solid #e3e8f2; background: #fff; box-shadow: 0 18px 25px rgba(24, 44, 82, .08); }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px 10px; }
  .site-nav .nav-download { justify-content: space-between; margin-top: 8px; padding: 12px 16px; }
  .hero-inner { padding-top: 70px; }
  .hero h1 { margin-top: 23px; font-size: clamp(48px, 11vw, 65px); }
  .hero-lede { font-size: 15px; line-height: 1.85; }
  .hero-actions { max-width: 420px; margin: 28px auto 0; }
  .hero-actions .button { flex: 1 1 48%; min-width: 170px; }
  .hero-footnote { font-size: 11px; }
  .hero-art { height: 440px; margin-top: 8px; }
  .desktop-shell { top: 83px; left: 3%; transform: scale(.79) rotate(-2deg); transform-origin: top left; }
  .phone-shell { right: 2%; bottom: 10px; transform: scale(.84) rotate(7deg); transform-origin: bottom right; }
  .float-card { left: 4%; bottom: 36px; transform: scale(.84) rotate(-3deg); transform-origin: left bottom; }
  .art-halo { left: -10%; top: 0; width: 120%; height: 100%; }
  .ring-one, .ring-two { display: none; }
  .art-caption { bottom: 2px; }
  .hero-bottom { flex-wrap: wrap; gap: 9px 22px; padding-top: 10px; font-size: 10px; }
  .hero-line { display: none; }
  .section { padding: 88px 0; }
  .section-heading h2, .workflow-intro h2, .faq-inner h2 { font-size: 36px; }
  .section-heading p { font-size: 14px; }
  .feature-grid, .platform-grid, .download-grid { grid-template-columns: 1fr; }
  .feature-grid { margin-top: 35px; }
  .feature-card { min-height: 0; padding: 25px; }
  .feature-icon { margin-bottom: 21px; }
  .feature-card p { margin-bottom: 22px; }
  .split-heading { display: block; }
  .split-heading p { max-width: 540px; }
  .platform-grid { margin-top: 32px; }
  .platform-card { min-height: 555px; }
  .platform-copy { padding: 35px; }
  .workflow-inner, .faq-inner { grid-template-columns: 1fr; gap: 25px; }
  .workflow-intro h2 br { display: none; }
  .workflow-intro p { max-width: 550px; }
  .download-grid { max-width: 520px; margin-top: 35px; }
  .download-card { min-height: 425px; }
  .faq-section { padding-top: 10px; }
  .footer-main { flex-direction: column; gap: 32px; }
  .footer-links { gap: 25px; }
}
@media (max-width: 480px) {
  .hero-actions { display: grid; grid-template-columns: 1fr; max-width: 340px; }
  .hero-actions .button { min-height: 60px; justify-content: flex-start; }
  .hero-actions .button-arrow { margin-left: auto; }
  .hero-art { height: 400px; overflow: hidden; width: 100%; }
  .desktop-shell { left: -5%; top: 99px; transform: scale(.58) rotate(-2deg); }
  .phone-shell { right: 3%; bottom: 19px; transform: scale(.77) rotate(7deg); }
  .float-card { left: 0; bottom: 24px; transform: scale(.74) rotate(-3deg); }
  .art-caption { right: 0; bottom: 2px; }
  .hero-bottom { justify-content: flex-start; gap: 7px 17px; max-width: 350px; }
  .platform-card { min-height: 555px; }
  .platform-card h3 { font-size: 29px; }
  .platform-copy { padding: 30px 28px; }
  .platform-pc-art { left: 27px; }
  .platform-android-art { right: 19px; }
  .download-card { padding: 25px; }
  .footer-links { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}