:root {
  --bg: #f7f9fe;
  --surface: #ffffff;
  --surface-soft: #eef5ff;
  --surface-blue: #e4efff;
  --ink: #0b2239;
  --ink-soft: #52697e;
  --ink-muted: #7d8ea0;
  --primary: #0b4f91;
  --primary-deep: #073865;
  --primary-bright: #2175d1;
  --line: #dce6f2;
  --line-strong: #c8d8e9;
  --success: #26895f;
  --shadow-sm: 0 12px 34px rgba(31, 77, 124, 0.08);
  --shadow-md: 0 26px 70px rgba(24, 68, 111, 0.13);
  --shadow-lg: 0 46px 110px rgba(25, 72, 118, 0.18);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --container: 1180px;
  --section: clamp(88px, 10vw, 136px);
  --font: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.dialog-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
svg { display: block; width: 1.2em; height: 1.2em; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding-block: var(--section); }
.section-shell { position: relative; overflow: hidden; }

.skip-link {
  position: fixed;
  left: 20px;
  top: -80px;
  z-index: 9999;
  padding: 11px 16px;
  border-radius: 10px;
  background: var(--primary-deep);
  color: #fff;
  font-weight: 700;
  transition: top .2s ease;
}
.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 75%, transparent);
  backdrop-filter: blur(18px) saturate(150%);
}
.nav-wrap {
  min-height: 78px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 30px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 0; }
.brand img { flex: 0 0 auto; }
.brand span { display: flex; flex-direction: column; line-height: 1.2; }
.brand strong { font-size: 18px; letter-spacing: -.02em; }
.brand small { margin-top: 5px; color: var(--ink-muted); font-size: 11px; }
.desktop-nav { justify-self: center; display: flex; align-items: center; gap: 34px; }
.desktop-nav a { position: relative; color: #4f6579; font-size: 14px; font-weight: 650; }
.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 50%; bottom: -10px;
  width: 0; height: 2px;
  border-radius: 999px;
  background: var(--primary-bright);
  transform: translateX(-50%);
  transition: width .2s ease;
}
.desktop-nav a:hover, .desktop-nav a:focus-visible { color: var(--primary); }
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after { width: 18px; }
.menu-toggle { display: none; border: 0; background: transparent; color: var(--ink); padding: 8px; border-radius: 10px; cursor: pointer; }
.menu-toggle:hover { background: var(--surface-soft); }
.menu-toggle svg { width: 24px; height: 24px; }
.mobile-menu { padding: 0 20px 20px; border-top: 1px solid var(--line); background: var(--surface); }
.mobile-menu a { display: block; padding: 13px 4px; color: var(--ink-soft); font-weight: 650; border-bottom: 1px solid #edf2f7; }
.mobile-menu .button { width: 100%; margin-top: 16px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 12px 24px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 760;
  line-height: 1.2;
  cursor: pointer;
  transition: transform .22s ease, box-shadow .22s ease, background-color .22s ease, border-color .22s ease, color .22s ease;
}
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0); }
.button:focus-visible, a:focus-visible, summary:focus-visible, .menu-toggle:focus-visible, .dialog-close:focus-visible {
  outline: 3px solid rgba(33, 117, 209, .28);
  outline-offset: 3px;
}
.button svg { width: 19px; height: 19px; }
.button-sm { min-height: 42px; padding: 10px 20px; font-size: 14px; }
.button-large { min-height: 54px; padding: 15px 27px; font-size: 16px; }
.button-primary { background: var(--primary); color: #fff; box-shadow: 0 12px 26px rgba(11, 79, 145, .22); }
.button-primary:hover { background: var(--primary-deep); box-shadow: 0 16px 34px rgba(11, 79, 145, .28); }
.button-secondary { background: rgba(255,255,255,.72); border-color: var(--line-strong); color: var(--primary); }
.button-secondary:hover { background: #fff; border-color: #a8c2dc; box-shadow: var(--shadow-sm); }
.button-white { background: #fff; color: var(--primary-deep); box-shadow: 0 18px 40px rgba(1, 33, 69, .22); }
.button-white:hover { box-shadow: 0 22px 52px rgba(1, 33, 69, .28); }

.hero {
  min-height: 920px;
  padding: clamp(72px, 8vw, 112px) 0 var(--section);
  background:
    radial-gradient(circle at 50% 15%, rgba(222, 235, 255, .88), transparent 42%),
    linear-gradient(180deg, #f8faff 0%, #f4f8ff 62%, var(--bg) 100%);
}
.hero-inner { position: relative; z-index: 2; text-align: center; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(12px); opacity: .65; pointer-events: none; }
.hero-glow-one { width: 360px; height: 360px; right: -160px; top: 18%; background: rgba(177, 212, 255, .34); }
.hero-glow-two { width: 320px; height: 320px; left: -170px; bottom: 12%; background: rgba(209, 229, 255, .48); }
.hero-copy { max-width: 840px; margin: 0 auto 68px; }
.trust-line {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 22px;
  padding: 8px 14px;
  border: 1px solid #d9e6f4;
  border-radius: 999px;
  color: #526b82;
  background: rgba(255,255,255,.62);
  font-size: 13px;
  font-weight: 650;
  box-shadow: 0 6px 24px rgba(40, 84, 130, .05);
}
.trust-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 4px rgba(38, 137, 95, .1); }
.hero h1 {
  margin: 0;
  color: #0b2137;
  font-size: clamp(44px, 6vw, 72px);
  line-height: 1.12;
  letter-spacing: -.055em;
  font-weight: 850;
}
.hero h1 span { color: var(--primary); }
.hero-lead { max-width: 720px; margin: 26px auto 0; color: var(--ink-soft); font-size: clamp(17px, 2vw, 20px); line-height: 1.85; }
.hero-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.download-note { max-width: 700px; margin: 17px auto 0; color: var(--ink-muted); font-size: 12px; }

.window-stage { position: relative; width: min(100%, 1000px); margin-inline: auto; }
.window-halo {
  position: absolute;
  inset: 10% 8% -10%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(58, 134, 255, .20), rgba(58, 134, 255, 0) 70%);
  filter: blur(28px);
}
.app-window {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(172, 195, 221, .52);
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow-lg);
}
.window-bar {
  height: 42px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 15px;
  border-bottom: 1px solid #e5edf6;
  background: linear-gradient(180deg, #fbfdff, #f3f7fb);
}
.window-dot { width: 9px; height: 9px; border-radius: 50%; }
.dot-red { background: #ff6b6b; }
.dot-yellow { background: #f4bd4f; }
.dot-green { background: #35c78a; }
.window-title { margin-inline: auto; transform: translateX(-22px); color: #8291a1; font-size: 11px; }
.app-window img { width: 100%; height: auto; }
.hero-window { padding: 0 10px 12px; background: #f7f9fc; }
.hero-window .window-bar { margin: 0 -10px 10px; }
.hero-window img { border-radius: 8px; }
.floating-tip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 180px;
  padding: 12px 14px;
  border: 1px solid rgba(190, 209, 229, .7);
  border-radius: 15px;
  background: rgba(255,255,255,.92);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
}
.floating-tip svg { width: 23px; height: 23px; color: var(--primary-bright); }
.floating-tip span { display: flex; flex-direction: column; text-align: left; line-height: 1.3; }
.floating-tip strong { font-size: 13px; }
.floating-tip small { margin-top: 3px; color: var(--ink-muted); font-size: 11px; }
.floating-tip-left { left: -58px; top: 30%; }
.floating-tip-right { right: -56px; bottom: 18%; }

.section-heading { max-width: 760px; margin-bottom: 54px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-label {
  margin: 0 0 14px;
  color: var(--primary-bright);
  font-size: 13px;
  font-weight: 820;
  letter-spacing: .12em;
}
.section-heading h2, .pain-copy h2, .visual-copy h2, .safety-copy h2, .knowledge-article h2, .faq-heading h2 {
  margin: 0;
  color: #0a2036;
  font-size: clamp(34px, 4vw, 50px);
  line-height: 1.22;
  letter-spacing: -.035em;
  font-weight: 820;
}
.section-heading > p:last-child, .pain-copy > p, .visual-intro, .faq-heading > p:last-child { margin: 20px 0 0; color: var(--ink-soft); font-size: 17px; }

.feature-section { background: var(--bg); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card {
  position: relative;
  min-height: 355px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.86);
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.feature-card:hover { transform: translateY(-6px); border-color: #bcd2e8; box-shadow: var(--shadow-md); }
.feature-card.featured { background: linear-gradient(145deg, #f8fbff 0%, #eaf3ff 100%); border-color: #c7ddf4; }
.feature-card.featured::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.8);
}
.icon-box { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 15px; color: var(--primary); background: #e9f3ff; }
.icon-box svg { width: 27px; height: 27px; stroke-width: 1.9; }
.feature-card h3 { margin: 24px 0 10px; font-size: 23px; letter-spacing: -.02em; }
.feature-card > p { margin: 0; color: var(--ink-soft); }
.feature-card ul { list-style: none; margin: 24px 0 0; padding: 21px 0 0; border-top: 1px solid #e5edf5; }
.feature-card li { display: flex; align-items: center; gap: 9px; margin-top: 9px; color: #425b72; font-size: 14px; }
.feature-card li:first-child { margin-top: 0; }
.feature-card li svg { width: 17px; height: 17px; color: var(--primary-bright); stroke-width: 2.3; }

.pain-section { background: #fff; border-block: 1px solid #edf2f7; }
.pain-layout { display: grid; grid-template-columns: .92fr 1.08fr; gap: clamp(60px, 9vw, 120px); align-items: start; }
.pain-copy { position: sticky; top: 130px; }
.pain-copy > p { max-width: 510px; }
.text-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 27px; color: var(--primary); font-weight: 750; }
.text-link svg { width: 18px; height: 18px; transition: transform .2s ease; }
.text-link:hover svg { transform: translateX(4px); }
.pain-list { border-top: 1px solid var(--line); }
.pain-row { display: grid; grid-template-columns: 66px 1fr; gap: 24px; padding: 31px 0; border-bottom: 1px solid var(--line); }
.pain-index { color: #8fb2d7; font-size: 13px; font-weight: 800; letter-spacing: .08em; }
.pain-row h3 { margin: -4px 0 7px; font-size: 22px; }
.pain-row p { margin: 0; color: var(--ink-soft); }

.visual-section { overflow: hidden; }
.visual-layout { display: grid; grid-template-columns: .88fr 1.12fr; gap: clamp(60px, 8vw, 110px); align-items: center; }
.visual-copy { max-width: 500px; }
.check-block { display: grid; grid-template-columns: 46px 1fr; gap: 16px; margin-top: 28px; }
.check-icon { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 13px; color: var(--primary); background: #e9f3ff; }
.check-icon svg { width: 22px; height: 22px; }
.check-block h3 { margin: 0 0 5px; font-size: 18px; }
.check-block p { margin: 0; color: var(--ink-soft); font-size: 15px; }
.screenshot-stack { position: relative; min-height: 570px; }
.stack-window { position: absolute; width: 82%; padding: 0 8px 10px; background: #f7f9fc; }
.stack-window .window-bar { height: 36px; margin: 0 -8px 8px; }
.stack-window img { border-radius: 7px; }
.stack-back { top: 0; right: 0; transform: rotate(1.5deg); }
.stack-front { left: 0; bottom: 0; transform: rotate(-1.2deg); }

.safety-section { padding-top: 34px; }
.safety-panel {
  position: relative;
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 70px;
  padding: clamp(42px, 6vw, 72px);
  overflow: hidden;
  border-radius: var(--radius-xl);
  color: #fff;
  background:
    radial-gradient(circle at 95% 0%, rgba(88, 159, 236, .38), transparent 34%),
    linear-gradient(135deg, #062f58, #0b4f91 56%, #1268b8);
  box-shadow: var(--shadow-md);
}
.safety-panel::before { content: ""; position: absolute; inset: 1px; border: 1px solid rgba(255,255,255,.12); border-radius: inherit; pointer-events: none; }
.light-label { color: #9bd0ff; }
.safety-copy { position: relative; z-index: 2; }
.safety-copy h2 { color: #fff; }
.safety-copy p:last-child { margin: 19px 0 0; color: #d6e8fa; font-size: 17px; }
.safety-points { position: relative; z-index: 2; display: grid; align-content: center; gap: 14px; }
.safety-points > div { display: flex; align-items: center; gap: 16px; padding: 17px 18px; border: 1px solid rgba(255,255,255,.13); border-radius: 16px; background: rgba(255,255,255,.08); backdrop-filter: blur(8px); }
.safety-points svg { width: 25px; height: 25px; color: #a9d6ff; }
.safety-points span { display: flex; flex-direction: column; line-height: 1.35; }
.safety-points strong { font-size: 16px; }
.safety-points small { margin-top: 4px; color: #c9dff3; font-size: 13px; }

.workflow-section { background: #fff; border-block: 1px solid #edf2f7; }
.steps { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; list-style: none; margin: 0; padding: 0; }
.steps::before { content: ""; position: absolute; top: 43px; left: 16.5%; right: 16.5%; height: 1px; background: linear-gradient(90deg, transparent, #b9d0e8 15%, #b9d0e8 85%, transparent); }
.step { position: relative; z-index: 1; text-align: center; }
.step-number { position: absolute; top: 0; right: calc(50% - 56px); color: #a8bfd6; font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.step-icon { width: 86px; height: 86px; display: grid; place-items: center; margin: 0 auto 21px; border: 1px solid #d7e4f1; border-radius: 25px; color: var(--primary); background: #f6faff; box-shadow: 0 15px 38px rgba(39, 84, 129, .10); }
.step-icon svg { width: 32px; height: 32px; }
.step h3 { margin: 0 0 8px; font-size: 20px; }
.step p { max-width: 280px; margin: 0 auto; color: var(--ink-soft); font-size: 15px; }

.knowledge-section { background: linear-gradient(180deg, #f7f9fe, #eef5ff); }
.knowledge-layout { display: grid; grid-template-columns: 1.3fr .7fr; gap: 66px; align-items: start; }
.knowledge-article { max-width: 720px; }
.knowledge-article p:not(.section-label) { margin: 22px 0 0; color: var(--ink-soft); font-size: 17px; }
.knowledge-article strong { color: var(--ink); }
.knowledge-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 28px; }
.knowledge-tags span { padding: 7px 11px; border: 1px solid #d2e1f0; border-radius: 999px; color: #46647f; background: rgba(255,255,255,.68); font-size: 12px; font-weight: 650; }
.answer-box { padding: 30px; border: 1px solid #d5e2ef; border-radius: var(--radius-lg); background: rgba(255,255,255,.84); box-shadow: var(--shadow-sm); }
.answer-label { margin: 0; color: var(--primary-bright); font-size: 12px; font-weight: 850; letter-spacing: .12em; }
.answer-box h3 { margin: 12px 0 22px; font-size: 23px; line-height: 1.4; }
.answer-box ol { list-style: none; margin: 0; padding: 0; }
.answer-box li { display: flex; align-items: center; gap: 12px; padding: 12px 0; color: #425c74; border-top: 1px solid #e4ecf4; font-size: 14px; }
.answer-box li span { width: 26px; height: 26px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 8px; color: var(--primary); background: #e9f3ff; font-size: 12px; font-weight: 800; }

.faq-section { background: #fff; }
.faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(60px, 8vw, 110px); align-items: start; }
.faq-heading { position: sticky; top: 130px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 24px 0; cursor: pointer; color: #17324b; font-size: 18px; font-weight: 750; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary svg { width: 20px; height: 20px; color: #6f8da8; transition: transform .2s ease; }
.faq-item[open] summary svg { transform: rotate(90deg); }
.faq-item p { margin: -6px 0 25px; color: var(--ink-soft); }

.final-cta { padding-top: 40px; }
.cta-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(55px, 7vw, 86px) 24px;
  border-radius: var(--radius-xl);
  text-align: center;
  color: #fff;
  background: linear-gradient(135deg, #062f58 0%, #0b4f91 50%, #1772c7 100%);
  box-shadow: var(--shadow-lg);
}
.cta-light { position: absolute; width: 330px; height: 330px; border-radius: 50%; filter: blur(6px); opacity: .25; background: #7cc3ff; }
.cta-light-one { right: -130px; top: -170px; }
.cta-light-two { left: -160px; bottom: -210px; }
.cta-logo { position: relative; margin: 0 auto 20px; border-radius: 18px; box-shadow: 0 12px 28px rgba(0,0,0,.18); }
.cta-panel h2 { position: relative; margin: 0; font-size: clamp(34px, 4.5vw, 52px); line-height: 1.2; letter-spacing: -.035em; }
.cta-panel p { position: relative; max-width: 650px; margin: 18px auto 30px; color: #d8eaff; font-size: 17px; }
.cta-panel .button { position: relative; }
.cta-panel small { position: relative; display: block; margin-top: 15px; color: #bcd8f3; }

.site-footer { margin-top: var(--section); padding: 64px 0 24px; border-top: 1px solid var(--line); background: #edf4ff; }
.footer-grid { display: grid; grid-template-columns: 1.45fr .65fr .65fr 1.25fr; gap: 46px; }
.footer-brand > p { max-width: 320px; margin: 18px 0 0; color: var(--ink-soft); font-size: 14px; }
.footer-links h2, .footer-disclosure h2 { margin: 2px 0 14px; color: #355069; font-size: 13px; letter-spacing: .08em; }
.footer-links a, .footer-button { display: block; margin-top: 9px; color: #5d7388; font-size: 13px; }
.footer-links a:hover, .footer-button:hover { color: var(--primary); }
.footer-button { padding: 0; border: 0; background: none; cursor: pointer; }
.footer-disclosure p { margin: 0; color: #61778b; font-size: 13px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 45px; padding-top: 22px; border-top: 1px solid #d9e4f0; color: #7a8c9d; font-size: 12px; }
.footer-bottom p { margin: 0; }

.download-dialog {
  width: min(650px, calc(100% - 28px));
  max-height: calc(100dvh - 28px);
  padding: 0;
  border: 0;
  border-radius: 24px;
  color: var(--ink);
  background: #fff;
  box-shadow: 0 40px 120px rgba(5, 36, 66, .35);
}
.download-dialog::backdrop { background: rgba(4, 22, 40, .56); backdrop-filter: blur(7px); }
.dialog-shell { padding: 30px; }
.dialog-header { display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: start; }
.dialog-label { margin: 0 0 7px; color: var(--primary-bright); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.dialog-header h2 { margin: 0; font-size: 30px; letter-spacing: -.03em; }
.dialog-header p:last-child { margin: 8px 0 0; color: var(--ink-soft); font-size: 14px; }
.dialog-close { display: grid; place-items: center; width: 40px; height: 40px; padding: 0; border: 1px solid var(--line); border-radius: 12px; color: #5e7387; background: #f7faff; cursor: pointer; }
.dialog-close:hover { color: var(--primary); border-color: #bad0e5; }
.dialog-close svg { width: 20px; height: 20px; }
.download-options { display: grid; gap: 12px; margin-top: 25px; }
.download-option { display: grid; grid-template-columns: 48px 1fr auto; align-items: center; gap: 14px; padding: 16px; border: 1px solid var(--line); border-radius: 16px; background: #fbfdff; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease, background-color .2s ease; }
.download-option:hover { transform: translateY(-2px); border-color: #aac8e5; background: #f6faff; box-shadow: var(--shadow-sm); }
.download-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 14px; color: var(--primary); background: #e9f3ff; }
.download-icon svg { width: 22px; height: 22px; }
.download-option > span:nth-child(2) { display: flex; flex-direction: column; line-height: 1.4; }
.download-option strong { font-size: 16px; }
.download-option small { margin-top: 4px; color: var(--ink-muted); font-size: 12px; }
.option-arrow { width: 19px; height: 19px; color: #7891aa; }
.dialog-notice { display: grid; grid-template-columns: 22px 1fr; gap: 10px; margin-top: 20px; padding: 14px; border-radius: 14px; color: #516b82; background: #eef6ff; }
.dialog-notice svg { width: 20px; height: 20px; color: var(--primary-bright); margin-top: 2px; }
.dialog-notice p { margin: 0; font-size: 12px; }
.placeholder-message { min-height: 22px; margin: 12px 0 0; color: #b25c24; text-align: center; font-size: 12px; font-weight: 650; }

.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.js .reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1120px) {
  .floating-tip-left { left: 8px; top: 22%; }
  .floating-tip-right { right: 8px; bottom: 12%; }
  .screenshot-stack { min-height: 510px; }
}

@media (max-width: 900px) {
  .desktop-nav, .nav-wrap > .button { display: none; }
  .nav-wrap { grid-template-columns: 1fr auto; min-height: 70px; }
  .menu-toggle { display: grid; }
  .hero { min-height: auto; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 0; }
  .pain-layout, .visual-layout, .safety-panel, .knowledge-layout, .faq-layout { grid-template-columns: 1fr; }
  .pain-copy, .faq-heading { position: static; }
  .visual-copy { max-width: none; }
  .screenshot-stack { min-height: 660px; max-width: 680px; width: 100%; margin: 15px auto 0; }
  .safety-panel { gap: 36px; }
  .steps { gap: 16px; }
  .footer-grid { grid-template-columns: 1.3fr .7fr .7fr; }
  .footer-disclosure { grid-column: 1 / -1; max-width: 640px; }
}

@media (max-width: 700px) {
  :root { --section: 82px; }
  .container { width: min(calc(100% - 30px), var(--container)); }
  .brand small { display: none; }
  .hero { padding-top: 56px; }
  .hero-copy { margin-bottom: 45px; }
  .trust-line { font-size: 11px; }
  .hero h1 { font-size: clamp(40px, 12vw, 54px); letter-spacing: -.045em; }
  .hero-lead { font-size: 16px; line-height: 1.75; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .button { width: 100%; }
  .hero-window { padding-inline: 5px; padding-bottom: 7px; border-radius: 14px; }
  .hero-window .window-bar { height: 32px; margin-inline: -5px; margin-bottom: 5px; }
  .window-dot { width: 7px; height: 7px; }
  .window-title { font-size: 9px; }
  .floating-tip { display: none; }
  .section-heading { margin-bottom: 38px; }
  .section-heading h2, .pain-copy h2, .visual-copy h2, .safety-copy h2, .knowledge-article h2, .faq-heading h2 { font-size: 34px; }
  .section-heading > p:last-child, .pain-copy > p, .visual-intro, .faq-heading > p:last-child { font-size: 16px; }
  .feature-card { padding: 27px; border-radius: 20px; }
  .pain-layout, .visual-layout, .knowledge-layout, .faq-layout { gap: 45px; }
  .pain-row { grid-template-columns: 46px 1fr; gap: 13px; padding: 25px 0; }
  .screenshot-stack { min-height: 490px; }
  .stack-window { width: 92%; border-radius: 13px; }
  .stack-window .window-bar { height: 30px; }
  .safety-panel { padding: 34px 24px; border-radius: 24px; }
  .steps { grid-template-columns: 1fr; gap: 40px; }
  .steps::before { top: 42px; bottom: 42px; left: 50%; right: auto; width: 1px; height: auto; background: linear-gradient(180deg, transparent, #b9d0e8 12%, #b9d0e8 88%, transparent); }
  .step { padding: 0 30px; }
  .step-icon { background: #fff; }
  .knowledge-article p:not(.section-label) { font-size: 16px; }
  .answer-box { padding: 25px; }
  .faq-item summary { font-size: 16px; padding: 21px 0; }
  .cta-panel { border-radius: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand, .footer-disclosure { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .dialog-shell { padding: 23px 18px; }
  .dialog-header h2 { font-size: 26px; }
  .download-option { grid-template-columns: 43px 1fr auto; gap: 11px; padding: 14px; }
  .download-icon { width: 42px; height: 42px; }
  .download-option small { line-height: 1.5; }
}

@media (max-width: 430px) {
  .hero h1 { font-size: 39px; }
  .screenshot-stack { min-height: 400px; }
  .stack-window { width: 96%; }
  .feature-card { padding: 24px; }
  .pain-row h3 { font-size: 19px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand, .footer-disclosure { grid-column: auto; }
  .download-option { grid-template-columns: 42px 1fr; }
  .option-arrow { display: none; }
}

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