styles.css

:root {
  color-scheme: light;
  --ground: #f5f7fa;
  --paper: #fff;
  --surface: #eef2f6;
  --line: #dbe2ea;
  --ink: #17202b;
  --muted: #617083;
  --blue: #175fe8;
  --blue-dark: #104bc1;
  --blue-soft: #eaf1ff;
  --night: #172231;
  --radius: 12px;
  overflow-x: clip;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: clip; background: var(--ground); color: var(--ink); font-family: "Segoe UI Variable", "Microsoft YaHei", system-ui, sans-serif; line-height: 1.6; }
a { color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }

.site-header { width: min(1180px, calc(100% - 48px)); height: 72px; display: flex; align-items: center; gap: 28px; margin: auto; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 700; letter-spacing: -.02em; text-decoration: none; }
.brand-mark { position: relative; width: 27px; height: 27px; border-radius: 7px; background: var(--blue); }
.brand-mark:before { content: ""; position: absolute; top: 8px; left: 7px; width: 13px; height: 3px; border-radius: 2px; background: #fff; box-shadow: 0 7px 0 #fff; }
nav { display: flex; gap: 26px; margin-left: auto; }
nav a { color: var(--muted); font-size: 13px; text-decoration: none; transition: color .2s ease; }
nav a:hover, .portable-link:hover { color: var(--blue); }
.nav-download { padding: 9px 14px; border: 1px solid #cad4df; border-radius: 8px; background: var(--paper); font-size: 13px; font-weight: 650; text-decoration: none; }

.hero { position: relative; display: grid; grid-template-columns: .78fr 1.22fr; align-items: center; gap: 64px; min-height: 610px; padding-block: 62px 72px; }
.hero:after { content: ""; position: absolute; z-index: -1; top: -180px; right: -17vw; width: 560px; height: 560px; border-radius: 50%; background: radial-gradient(circle, #dce7ff 0, rgba(220,231,255,0) 69%); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 440px; margin-bottom: 22px; font-size: clamp(42px, 4.4vw, 62px); line-height: 1.08; letter-spacing: -.045em; font-weight: 720; }
.hero-copy > p { max-width: 420px; margin-bottom: 28px; color: var(--muted); font-size: 16px; line-height: 1.82; }
.hero-actions { display: flex; gap: 10px; }
.button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; padding: 0 18px; border: 1px solid transparent; border-radius: 9px; font-size: 13px; font-weight: 700; text-decoration: none; transition: transform .18s ease, background .18s ease, border-color .18s ease; }
.button:active { transform: translateY(1px); }
.button-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 22px rgba(23,95,232,.2); }
.button-primary:hover { background: var(--blue-dark); }
.button-secondary { border-color: #cad4df; background: var(--paper); color: #283545; }
.button-secondary:hover { border-color: #9eb1c7; }

.demo-shell { min-width: 0; overflow: hidden; border: 1px solid #d9e0e8; border-radius: var(--radius); background: var(--paper); box-shadow: 0 25px 60px rgba(39,53,71,.14); }
.demo-window { height: 33px; display: flex; align-items: center; gap: 5px; padding: 0 13px; border-bottom: 1px solid #dfe5ec; background: #edf1f5; }
.demo-window span { width: 7px; height: 7px; border-radius: 50%; background: #bec8d4; }
.demo-window small { margin-left: 6px; color: #7a8797; font-size: 9px; }
.demo-appbar { height: 47px; display: flex; align-items: center; gap: 20px; padding: 0 14px; border-bottom: 1px solid #e4e8ee; }
.demo-appbar > b { font-size: 11px; }
.demo-tabs { height: 100%; display: flex; gap: 14px; }
.demo-tabs button { padding: 0; border: 0; border-bottom: 2px solid transparent; background: transparent; color: #778494; font-size: 9px; cursor: pointer; }
.demo-tabs button.active { border-bottom-color: var(--blue); color: var(--blue); font-weight: 700; }
.demo-tabs button:focus-visible, .file-list button:focus-visible, .report-actions button:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.demo-toolbar { display: flex; align-items: center; gap: 7px; padding: 10px 14px; }
.demo-toolbar > * { padding: 5px 7px; border: 1px solid #dfe5ec; border-radius: 4px; color: #607084; font-size: 8px; font-weight: 500; }
.demo-toolbar > b { border-color: var(--blue); background: var(--blue); color: #fff; }
.demo-disclaimer { margin: -2px 14px 8px; padding: 5px 7px; border-left: 1px solid var(--blue); background: #f4f7fb; color: #65758a; font-size: 8px; line-height: 1.4; }
.demo-panel { min-width: 0; padding: 0 14px 14px; }
.data-layout { min-width: 0; display: grid; grid-template-columns: 120px 1fr 1.1fr; gap: 8px; height: 218px; }
.file-list, .metric-table, .wave-card, .delta-card { min-width: 0; border: 1px solid #dfe5ec; border-radius: 7px; background: #fbfcfd; }
.file-list { padding: 9px; }
.file-list > b { display: block; margin-bottom: 7px; font-size: 8px; }
.file-list button { display: block; width: 100%; padding: 6px; border: 0; border-radius: 4px; background: transparent; color: #718094; font-size: 7px; text-align: left; cursor: pointer; }
.file-list button.selected { background: var(--blue-soft); color: var(--blue); font-weight: 700; }
.metric-table, .wave-card, .delta-card { padding: 9px; }
.panel-title { display: flex; justify-content: space-between; align-items: center; color: #728094; font-size: 7px; }
.panel-title b { color: #253243; font-size: 8px; }
.metric-table .panel-title span { color: #16865e; }
.wave-tools { display: flex; gap: 3px; }
.wave-tools i { padding: 2px 4px; border: 1px solid #d7e0e9; border-radius: 3px; color: #65758a; font-size: 6px; font-style: normal; }
.wave-tools i:first-child { border-color: #9db7ef; background: var(--blue-soft); color: var(--blue); }
table { width: 100%; margin-top: 6px; border-collapse: collapse; table-layout: fixed; font-size: 7px; }
th, td { padding: 3px 2px; overflow-wrap: anywhere; border-bottom: 1px solid #e8edf2; text-align: left; }
th { color: #8793a2; font-weight: 500; }
td:nth-child(2) { color: #16865e; font-weight: 650; }
.wave-card canvas, .delta-card canvas { display: block; width: 100%; height: calc(100% - 18px); }
.delta-card { height: 116px; margin-top: 8px; }
.overview-inputs, .rate-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.overview-inputs span, .rate-row span { padding: 10px; border: 1px solid #dfe5ec; border-radius: 6px; color: #718094; font-size: 8px; }
.overview-inputs strong, .rate-row b { display: block; margin-top: 2px; color: #263344; font-size: 10px; }
.result-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 16px 0; }
.result-cards article { padding: 13px; border: 1px solid #dfe5ec; border-radius: 7px; }
.result-cards span, .result-cards small { display: block; color: #718094; font-size: 8px; }
.result-cards strong { display: block; margin: 5px 0; color: #253243; font-size: 22px; line-height: 1.1; }
.result-cards .main-result { border-color: #9bb8ff; background: var(--blue-soft); }
.result-cards .main-result strong { color: var(--blue); }
.rate-row { grid-template-columns: repeat(3, 1fr); }
.report-actions { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; font-size: 10px; }
.report-actions button { padding: 6px 9px; border: 1px solid #cad4df; border-radius: 5px; background: #fff; color: #334154; font-size: 9px; cursor: pointer; }
.report-sheet { display: grid; grid-template-columns: .75fr .9fr .75fr 2.5fr 1.9fr; min-height: 221px; border: 1px solid #cfd8e2; background: #fff; color: #243143; }
.report-sheet > div { padding: 12px; border-right: 1px solid #d5dde6; font-size: 9px; }
.report-sheet > div:last-child { border-right: 0; }
.report-sheet span { display: block; margin-bottom: 9px; color: #738193; font-size: 8px; }
.report-sheet p { line-height: 1.8; }
.report-yield strong { color: #d92727; }
.report-visuals { display: grid; grid-template-rows: 1.25fr .75fr; gap: 7px; padding: 10px !important; }
.report-visuals > i, .report-visuals > span i { display: block; border: 1px solid #dce4ed; border-radius: 3px; background: linear-gradient(180deg,#f9fbfd,#edf3fb); }
.report-visuals > i { position: relative; }
.report-visuals > i:after, .report-visuals > span i:after { content: ""; position: absolute; inset: 45% 8% auto; height: 2px; background: var(--blue); transform: skewY(-4deg); }
.report-visuals > span { display: grid; grid-template-columns: repeat(4,1fr); gap: 5px; margin: 0; }
.report-visuals > span i { position: relative; }
.copy-status { min-height: 16px; margin: 8px 0 0; color: #16865e; font-size: 9px; text-align: right; }

.workflow { padding-block: 90px; }
.section-intro { max-width: 650px; margin-bottom: 42px; }
.section-intro h2 { margin-bottom: 12px; font-size: clamp(31px,3.2vw,42px); line-height: 1.16; letter-spacing: -.04em; }
.section-intro p { margin-bottom: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.workflow-grid { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line); }
.workflow-grid article { min-height: 182px; padding: 24px 22px 0 0; border-right: 1px solid #e1e6ec; }
.workflow-grid article + article { padding-left: 22px; }
.workflow-grid article:last-child { border-right: 0; }
.workflow-grid span { color: var(--blue); font-size: 11px; font-weight: 700; }
.workflow-grid h3 { margin: 28px 0 9px; font-size: 17px; letter-spacing: -.02em; }
.workflow-grid p { color: #718093; font-size: 12px; line-height: 1.75; }

.client-guide { padding-block: 96px; overflow: hidden; border-block: 1px solid var(--line); background: #fff; }
.guide-heading { display: grid; grid-template-columns: minmax(0,1fr) minmax(320px,430px); gap: 54px; align-items: end; margin-bottom: 34px; }
.guide-heading h2 { margin-bottom: 12px; font-size: 38px; line-height: 1.15; letter-spacing: -.035em; }
.guide-heading p { max-width: 650px; margin-bottom: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.guide-search { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.guide-search label { min-width: 0; }
.guide-search input { width: 100%; height: 44px; padding: 0 13px; border: 1px solid #cfd8e2; border-radius: 8px; background: #fff; color: var(--ink); font: inherit; font-size: 13px; }
.guide-search button, .guide-toolbar button, .guide-tabs button, .guide-file-panel button, .guide-overview-actions button, .guide-report-actions button, .guide-quickstart button { border: 1px solid #ccd6e1; border-radius: 7px; background: #fff; color: #334154; font: inherit; cursor: pointer; }
.guide-search button { padding-inline: 17px; border-color: var(--blue); background: var(--blue); color: #fff; font-size: 12px; font-weight: 700; }
.guide-workbench { display: grid; grid-template-columns: minmax(0,1.9fr) minmax(290px,.7fr); min-height: 650px; border: 1px solid #d6dee7; border-radius: 14px; background: #eef2f6; box-shadow: 0 26px 62px rgba(30,45,63,.13); }
.guide-client { min-width: 0; overflow: hidden; border-radius: 13px 0 0 13px; background: #f7f9fb; }
.guide-windowbar { height: 48px; display: flex; align-items: center; gap: 9px; padding: 0 16px; border-bottom: 1px solid #dfe5ec; background: #edf1f5; }
.guide-windowbar .brand-mark { width: 22px; height: 22px; border-radius: 6px; }
.guide-windowbar .brand-mark:before { top: 6px; left: 6px; width: 10px; height: 2px; box-shadow: 0 6px 0 #fff; }
.guide-windowbar strong { font-size: 13px; }
.guide-windowbar small { margin-left: auto; color: #718094; font-size: 10px; }
.guide-toolbar { display: flex; gap: 7px; padding: 11px 14px; border-bottom: 1px solid #e1e6ec; background: #fff; }
.guide-toolbar button { min-height: 34px; padding: 0 10px; font-size: 10px; }
.guide-toolbar .guide-primary, .guide-report-actions .guide-primary { border-color: var(--blue); background: var(--blue); color: #fff; font-weight: 700; }
.guide-tabs { display: flex; gap: 20px; height: 42px; padding: 0 15px; border-bottom: 1px solid #dfe5ec; background: #fff; }
.guide-tabs button { padding: 0; border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: transparent; color: #718094; font-size: 11px; }
.guide-tabs button.active { border-bottom-color: var(--blue); color: var(--blue); font-weight: 700; }
.guide-screen { min-width: 0; padding: 13px; }
.guide-data-grid { min-width: 0; display: grid; grid-template-columns: 130px minmax(250px,.95fr) minmax(260px,1.05fr); gap: 9px; height: 337px; }
.guide-file-panel, .guide-metric-panel, .guide-chart-card, .guide-delta-card { min-width: 0; margin: 0; border: 1px solid #dce3eb; border-radius: 8px; background: #fff; }
.guide-file-panel { padding: 10px; }
.guide-file-panel > div { display: flex; align-items: center; justify-content: space-between; gap: 5px; margin-bottom: 8px; font-size: 9px; }
.guide-file-panel > div span { display: flex; gap: 3px; }
.guide-file-panel button { display: block; width: 100%; margin-bottom: 3px; padding: 7px; border-color: transparent; background: transparent; color: #6d7b8e; font-size: 9px; text-align: left; }
.guide-file-panel > div button { width: auto; margin: 0; padding: 3px 5px; text-align: center; }
.guide-file-panel button.selected, .guide-file-panel button.active { background: var(--blue-soft); color: var(--blue); font-weight: 700; }
.guide-metric-panel { padding: 10px; cursor: pointer; }
.guide-panel-title, .guide-chart-card figcaption, .guide-delta-card figcaption { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: #758396; font-size: 9px; }
.guide-panel-title strong, .guide-chart-card strong, .guide-delta-card strong { color: #273446; font-size: 10px; }
.guide-panel-title span { color: #16865e; }
.guide-wave-tools { display: flex; gap: 3px; }
.guide-wave-tools button, .guide-chart-title { min-height: 24px; padding: 2px 5px; border: 1px solid #d7e0e9; border-radius: 4px; background: #fff; color: #65758a; font: inherit; font-size: 8px; cursor: pointer; }
.guide-wave-tools button.active { border-color: #9db7ef; background: var(--blue-soft); color: var(--blue); font-weight: 700; }
.guide-metric-panel table { font-size: 8px; }
.guide-metric-panel th, .guide-metric-panel td { padding: 4px 2px; }
.guide-chart-card, .guide-delta-card { padding: 10px; cursor: pointer; }
.guide-chart-card { height: 337px; overflow: hidden; }
.guide-chart-card canvas, .guide-delta-card canvas { display: block; width: 100%; height: calc(100% - 20px); }
.guide-delta-card { height: 172px; margin-top: 9px; }
.guide-overview-fields { display: grid; grid-template-columns: 1fr 1fr 1.05fr 1.7fr; gap: 8px; }
.guide-overview-fields button, .guide-yield-cards button { min-width: 0; padding: 12px; border: 1px solid #dce3eb; border-radius: 8px; background: #fff; color: inherit; font: inherit; text-align: left; cursor: pointer; }
.guide-overview-fields span, .guide-yield-cards span, .guide-yield-cards small { display: block; color: #718094; font-size: 9px; }
.guide-overview-fields strong { display: block; margin-top: 4px; overflow-wrap: anywhere; font-size: 11px; }
.guide-risk-row { display: flex; justify-content: flex-end; margin-top: 9px; }
.guide-risk-badge { display: inline-flex; align-items: center; gap: 6px; min-height: 28px; padding: 0 9px; border: 1px solid #e4b9b2; border-radius: 999px; background: #fff4f2; color: #a43c2d; font: inherit; font-size: 9px; font-weight: 700; cursor: pointer; }
.guide-risk-badge > span { width: 6px; height: 6px; border-radius: 50%; background: #c94d3b; }
.guide-risk-badge small { color: #9b655d; font-size: 8px; font-weight: 500; }
.guide-yield-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 9px; margin-top: 13px; }
.guide-yield-cards button { min-height: 150px; }
.guide-yield-cards button.main { border-color: #9eb9f5; background: var(--blue-soft); }
.guide-yield-cards strong { display: block; margin: 20px 0 7px; font-size: 29px; line-height: 1; letter-spacing: -.03em; }
.guide-yield-cards button.main strong { color: var(--blue); }
.guide-rate-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin-top: 12px; }
.guide-rate-row span { padding: 10px 12px; border-top: 1px solid #dce3eb; color: #718094; font-size: 9px; }
.guide-rate-row b { float: right; color: #273446; font-size: 11px; }
.guide-overview-actions { display: flex; gap: 7px; margin-top: 20px; }
.guide-overview-actions button, .guide-report-actions button { padding: 8px 10px; font-size: 10px; }
.guide-report-actions { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.guide-report-actions > span { display: flex; gap: 7px; }
.guide-report-table { display: grid; grid-template-columns: .75fr .9fr .75fr 2.15fr 1.75fr; min-height: 420px; border: 1px solid #ced8e3; background: #fff; }
.guide-report-table > div { padding: 16px; border-right: 1px solid #d8e0e8; }
.guide-report-table > div:last-child { border-right: 0; }
.guide-report-table span { display: block; margin-bottom: 14px; color: #718094; font-size: 10px; }
.guide-report-table strong, .guide-report-table p { font-size: 12px; line-height: 2; }
.guide-report-yield strong { color: #d92727; }
.guide-report-visuals { display: grid; grid-template-rows: 1.15fr .72fr auto; gap: 9px; cursor: pointer; }
.guide-report-visuals > i, .guide-report-visuals > span i { position: relative; display: block; border: 1px solid #dce4ed; border-radius: 4px; background: linear-gradient(180deg,#f9fbfd,#edf3fb); }
.guide-report-visuals > i:after, .guide-report-visuals > span i:after { content: ""; position: absolute; inset: 48% 9% auto; height: 2px; background: var(--blue); transform: skewY(-5deg); }
.guide-report-visuals > span { display: grid; grid-template-columns: repeat(4,1fr); gap: 5px; margin: 0; }
.guide-report-visuals small { color: #718094; font-size: 8px; line-height: 1.45; }
.guide-detail { min-width: 0; padding: 30px 26px; border-radius: 0 13px 13px 0; background: var(--night); color: #fff; }
.guide-detail-head { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-bottom: 42px; }
.guide-detail-head span { color: #8dabff; font-size: 11px; font-weight: 700; }
.guide-detail-head b { color: #8f9bab; font-size: 10px; }
.guide-detail h3 { margin-bottom: 13px; font-size: 27px; line-height: 1.2; letter-spacing: -.03em; }
.guide-detail > p { min-height: 68px; margin-bottom: 26px; color: #b8c2ce; font-size: 12px; line-height: 1.8; }
.guide-detail dl { margin: 0; }
.guide-detail dl div { padding: 15px 0; border-top: 1px solid #344253; }
.guide-detail dt { margin-bottom: 5px; color: #8dabff; font-size: 10px; }
.guide-detail dd { margin: 0; color: #e5eaf0; font-size: 11px; line-height: 1.65; }
.guide-client [data-guide-feature].is-guide-active { outline: 2px solid var(--blue); outline-offset: 2px; box-shadow: 0 0 0 5px rgba(23,95,232,.1); }
.guide-search input:focus-visible, .guide-search button:focus-visible, .guide-client [role="button"]:focus-visible, .guide-client button:focus-visible, .guide-quickstart button:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.guide-quickstart { display: flex; align-items: center; gap: 8px; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); }
.guide-quickstart strong { margin-right: auto; font-size: 12px; }
.guide-quickstart button { padding: 8px 11px; color: #59687b; font-size: 10px; }

.capabilities { padding-block: 92px; background: var(--surface); }
.capability-grid { display: grid; grid-template-columns: 1.15fr .85fr; grid-template-rows: 250px 220px; gap: 12px; }
.capability { position: relative; overflow: hidden; padding: 25px; border: 1px solid #dce3eb; border-radius: var(--radius); background: #f9fafb; }
.capability h3 { margin-bottom: 9px; font-size: 20px; letter-spacing: -.03em; }
.capability p { max-width: 370px; color: #68778a; font-size: 12px; line-height: 1.75; }
.capability-data { grid-row: 1 / 3; background: #fff; }
.mini-dashboard { position: absolute; right: 25px; bottom: -28px; left: 25px; height: 245px; padding: 14px; border: 1px solid #dce3eb; border-radius: 9px 9px 0 0; background: #f8fafc; box-shadow: 0 14px 35px rgba(40,54,72,.08); }
.mini-dashboard > div { display: grid; grid-template-columns: repeat(3,1fr); gap: 7px; }
.mini-dashboard > div > div { padding: 9px; border-radius: 5px; background: #eef2f6; }
.mini-dashboard small { display: block; color: #7b8897; font-size: 7px; }
.mini-dashboard b { font-size: 14px; }
.mini-dashboard canvas { display: block; width: 100%; height: 140px; margin-top: 7px; }
.capability-yield { background: #f4f7fb; }
.capability-yield > div { position: absolute; right: 20px; bottom: 0; width: 205px; height: 124px; padding: 14px; border: 1px solid #d9e1ea; border-radius: 9px 9px 0 0; background: #fff; box-shadow: 0 12px 28px rgba(38,51,68,.08); }
.capability-yield small { display: block; color: #768496; font-size: 8px; }
.capability-yield b { display: block; margin: 5px 0 11px; font-size: 25px; line-height: 1; }
.capability-yield i { display: block; width: 100%; height: 6px; margin-top: 7px; border-radius: 2px; background: #e8edf3; }
.capability-yield i:last-child { width: 62%; }
.capability-report { background: #f8fafc; }
.capability-report strong { position: absolute; right: 30px; bottom: 28px; display: grid; width: 78px; height: 92px; place-items: center; border: 2px solid var(--blue); border-radius: 45% 45% 50% 50%; color: var(--blue); font-size: 26px; }

.privacy { padding-block: 80px; background: var(--night); color: #fff; }
.privacy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: center; }
.privacy h2 { margin-bottom: 16px; font-size: 40px; line-height: 1.14; letter-spacing: -.04em; }
.privacy p { max-width: 480px; margin-bottom: 0; color: #aeb8c5; font-size: 13px; line-height: 1.9; }
.privacy-list span { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid #344151; color: #d8e0e9; font-size: 12px; }
.privacy-list b { color: #8cabff; font-weight: 650; }

.install { padding-block: 88px; }
.download-box { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; padding: 42px 46px; border: 1px solid #d8e0e8; border-radius: var(--radius); background: var(--paper); box-shadow: 0 17px 42px rgba(34,48,66,.07); }
.download-box h2 { margin-bottom: 9px; font-size: 38px; line-height: 1; letter-spacing: -.045em; }
.download-box p { max-width: 570px; margin-bottom: 0; color: #69778a; font-size: 13px; }
.release-meta { display: flex; gap: 14px; margin-top: 18px; color: #778496; font-size: 10px; }
.download-actions { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.portable-link { color: #5e6d7e; font-size: 12px; }
.install-notes { display: grid; grid-template-columns: repeat(3,1fr); gap: 0; margin-top: 42px; }
.install-notes article { padding: 0 26px; border-left: 1px solid var(--line); }
.install-notes article:first-child { padding-left: 0; border-left: 0; }
.install-notes h3 { margin-bottom: 9px; font-size: 16px; }
.install-notes p { color: #69778a; font-size: 12px; line-height: 1.75; }
.install-notes code { display: block; margin-top: 8px; overflow-wrap: anywhere; color: #314158; font-family: "Cascadia Mono", Consolas, monospace; font-size: 9px; }
.release { padding-bottom: 74px; }
.release-list { border-bottom: 1px solid var(--line); }
.release article { display: grid; grid-template-columns: 135px 1fr 90px; gap: 20px; align-items: center; padding: 25px 0; border-top: 1px solid var(--line); }
.release article.current { padding-inline: 18px; background: #f0f5ff; }
.release time, .release article p { color: #6e7c8f; font-size: 12px; }
.release h3 { margin-bottom: 5px; font-size: 17px; }
.release p { margin-bottom: 0; }
.release article > span { color: var(--blue); font-size: 12px; font-weight: 700; text-align: right; }
.changelog-link { display: inline-block; margin-top: 22px; color: var(--blue); font-size: 12px; font-weight: 700; text-underline-offset: 4px; }
footer { min-height: 90px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); color: #778496; font-size: 11px; }
.disabled { pointer-events: none; opacity: .55; }

@media (prefers-reduced-motion:reduce) { *,*:before,*:after { scroll-behavior: auto !important; transition: none !important; } }
@media (max-width:900px) {
  .shell, .site-header { width: min(calc(100% - 36px),640px); }
  nav { display: none; }
  .site-header { height: 64px; }
  .hero { grid-template-columns: 1fr; gap: 35px; min-height: 0; padding-block: 54px 58px; }
  .hero-demo { max-width: 680px; }
  .workflow { padding-block: 64px; }
  .workflow-grid { grid-template-columns: 1fr 1fr; }
  .workflow-grid article:nth-child(2) { border-right: 0; }
  .workflow-grid article:nth-child(n+3) { border-top: 1px solid #e1e6ec; }
  .client-guide { padding-block: 64px; }
  .guide-heading { grid-template-columns: 1fr; gap: 22px; }
  .guide-workbench { grid-template-columns: 1fr; }
  .guide-client { border-radius: 13px 13px 0 0; }
  .guide-data-grid { grid-template-columns: 110px 1fr; height: auto; }
  .guide-chart-card { grid-column: 1 / -1; height: 230px; }
  .guide-detail { border-radius: 0 0 13px 13px; }
  .guide-detail-head { margin-bottom: 24px; }
  .guide-detail > p { min-height: 0; }
  .guide-quickstart { flex-wrap: wrap; }
  .guide-quickstart strong { width: 100%; margin: 0 0 5px; }
  .capabilities { padding-block: 64px; }
  .capability-grid { grid-template-columns: 1fr; grid-template-rows: 390px 215px 215px; }
  .capability-data { grid-row: auto; }
  .privacy-grid { grid-template-columns: 1fr; gap: 38px; }
  .install { padding-block: 62px; }
  .download-box { grid-template-columns: 1fr; padding: 34px; }
  .download-actions { align-items: flex-start; }
  .install-notes { grid-template-columns: 1fr; gap: 22px; }
  .install-notes article { padding: 0; border-left: 0; }
  .release article { grid-template-columns: 1fr; }
  .release article > span { text-align: left; }
  footer { flex-wrap: wrap; padding-block: 22px; }
}
@media (max-width:620px) {
  .shell, .site-header { width: min(calc(100% - 28px),640px); }
  .site-header { gap: 8px; }
  .brand { font-size: 16px; }
  .nav-download { display: none; }
  .hero { padding-top: 38px; }
  h1 { font-size: 42px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .data-layout { grid-template-columns: 1fr; height: auto; }
  .file-list { display: none; }
  .metric-table, .wave-card { width: 100%; height: 220px; }
  .demo-appbar { gap: 10px; }
  .demo-toolbar span { display: none; }
  .demo-disclaimer { margin-bottom: 9px; font-size: 9px; }
  .demo-tabs { gap: 9px; }
  .demo-tabs button { font-size: 8px; }
  .delta-card { height: 120px; }
  .overview-inputs, .result-cards, .rate-row { grid-template-columns: 1fr; }
  .result-cards { gap: 6px; margin: 10px 0; }
  .result-cards strong { font-size: 19px; }
  .report-sheet { grid-template-columns: 1fr 1fr; }
  .report-visuals, .report-analysis { grid-column: span 2; }
  .workflow-grid { grid-template-columns: 1fr; }
  .workflow-grid article, .workflow-grid article + article { padding: 20px 0; border-right: 0; border-top: 1px solid #e1e6ec; }
  .workflow-grid article:first-child { border-top: 0; }
  .workflow-grid h3 { margin-top: 18px; }
  .guide-heading h2 { font-size: 32px; }
  .guide-search { grid-template-columns: 1fr; }
  .guide-search button { height: 42px; }
  .guide-windowbar small { display: none; }
  .guide-toolbar { flex-wrap: wrap; }
  .guide-toolbar button { min-height: 42px; flex: 1 1 calc(50% - 7px); font-size: 11px; }
  .guide-tabs { height: 46px; gap: 14px; }
  .guide-tabs button { font-size: 11px; }
  .guide-data-grid { grid-template-columns: 1fr; }
  .guide-file-panel { display: flex; flex-wrap: wrap; gap: 4px; }
  .guide-file-panel > div { width: 100%; font-size: 11px; }
  .guide-file-panel button { min-height: 38px; font-size: 11px; }
  .guide-file-panel > button { width: auto; margin: 0; }
  .guide-panel-title, .guide-chart-card figcaption, .guide-delta-card figcaption { font-size: 10px; }
  .guide-panel-title strong, .guide-chart-card strong, .guide-delta-card strong { font-size: 11px; }
  .guide-metric-panel table { font-size: 10px; }
  .guide-metric-panel th, .guide-metric-panel td { padding: 6px 3px; }
  .guide-chart-card { grid-column: auto; }
  .guide-delta-card { height: 190px; }
  .guide-overview-fields, .guide-yield-cards, .guide-rate-row { grid-template-columns: 1fr; }
  .guide-risk-row { justify-content: flex-start; }
  .guide-risk-badge { min-height: 38px; font-size: 11px; }
  .guide-risk-badge small { font-size: 10px; }
  .guide-yield-cards button { min-height: 118px; }
  .guide-yield-cards strong { margin-top: 12px; }
  .guide-report-table { grid-template-columns: 1fr 1fr; }
  .guide-report-table .guide-report-visuals, .guide-report-table .wide { grid-column: span 2; }
  .guide-report-table > div:nth-child(2) { border-right: 0; }
  .guide-report-table > div:nth-child(n+3) { border-top: 1px solid #d8e0e8; }
  .guide-detail { padding: 25px 20px; scroll-margin-top: 14px; }
  .guide-detail h3 { font-size: 24px; }
  .guide-detail > p { font-size: 13px; }
  .guide-detail dt { font-size: 11px; }
  .guide-detail dd { font-size: 12px; }
  .guide-quickstart button { min-height: 44px; flex: 1 1 calc(50% - 8px); font-size: 12px; }
  .section-intro { margin-bottom: 30px; }
  .capability-grid { grid-template-rows: 390px 220px 220px; }
  .mini-dashboard { right: 15px; left: 15px; }
  .capability-yield > div { right: 16px; }
  .privacy { padding-block: 60px; }
  .privacy h2 { font-size: 33px; }
  .privacy-list span { font-size: 11px; }
  .download-box { padding: 28px; }
  .download-box h2 { font-size: 33px; }
  .release-meta { flex-wrap: wrap; }
  .release { padding-bottom: 54px; }
  footer { font-size: 10px; }
}