:root {
  --ink: #102033;
  --muted: #53657a;
  --line: #d9e2ec;
  --paper: #ffffff;
  --wash: #f3f7fb;
  --blue: #1464d9;
  --blue-deep: #0a3d8c;
  --teal: #007f78;
  --lime: #bff05b;
  --orange: #f69a40;
  --shadow: 0 22px 52px rgba(29, 63, 106, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(217, 226, 236, 0.88);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}
.nav-wrap, .container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.nav-wrap { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; letter-spacing: 0; white-space: nowrap; }
.brand img { width: 34px; height: 34px; border-radius: 8px; object-fit: cover; }
.brand span { color: var(--blue); }
.brand .anniversary {
  color: #a96f0d;
  font-size: 18px;
  font-weight: 800;
  text-shadow: 0 0 5px rgba(244, 184, 63, 0.62), 0 1px 1px rgba(126, 78, 5, 0.2);
}
.site-nav { display: flex; align-items: center; gap: 6px; }
.site-nav a { padding: 8px 11px; color: var(--muted); font-size: 14px; font-weight: 700; border-bottom: 2px solid transparent; }
.site-nav a:hover, .site-nav a.active { color: var(--blue); border-bottom-color: var(--blue); }
.nav-coming-soon { padding: 8px 11px; color: var(--ink); font-size: 14px; font-weight: 800; cursor: default; user-select: none; white-space: nowrap; }
.nav-cta, .button-primary, .button-secondary { display: inline-flex; justify-content: center; align-items: center; min-height: 46px; padding: 0 18px; border-radius: 6px; font-size: 15px; font-weight: 800; transition: transform 160ms ease, background 160ms ease; }
.lang-toggle { flex: 0 0 auto; border: 1px solid var(--line); background: #fff; color: var(--blue-deep); border-radius: 5px; min-height: 34px; padding: 0 10px; font-size: 12px; font-weight: 800; cursor: pointer; }
.lang-toggle:hover { border-color: var(--blue); background: #edf5ff; }
.github-badge { display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px; border: 1px solid #24292f; border-radius: 6px; background: #24292f; color: #fff; font-size: 13px; font-weight: 800; }
.github-badge::before { content: "GitHub"; margin-right: 7px; font-size: 11px; opacity: .75; }
.nav-cta, .button-primary { background: var(--blue); color: white; }
.nav-cta:hover, .button-primary:hover { background: var(--blue-deep); transform: translateY(-1px); }
.button-secondary { border: 1px solid #b9cbe0; color: var(--blue-deep); background: white; }
.button-secondary:hover { border-color: var(--blue); background: #edf5ff; }

.super-optimization-notice { border-bottom: 1px solid #b9d4fb; background: #e9f2ff; color: var(--blue-deep); }
.super-optimization-notice .container { padding: 15px 0 16px; font-size: clamp(26px, 3.1vw, 42px); font-weight: 900; line-height: 1.18; text-align: center; }

.hero { position: relative; overflow: hidden; padding: 78px 0 44px; background: linear-gradient(115deg, #f4f8ff 0%, #fff 54%, #ecfbf8 100%); }
.hero::after { content: ""; position: absolute; right: 4%; top: 10%; width: 280px; height: 280px; border: 1px solid rgba(20, 100, 217, 0.16); border-radius: 50%; }
.hero-grid { position: relative; display: grid; grid-template-columns: 0.92fr 1.08fr; gap: 52px; align-items: center; }
.hero-copy { position: relative; z-index: 1; }
.section-kicker { color: var(--blue); font-size: 14px; font-weight: 800; letter-spacing: 0; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: 12px 0 20px; font-size: clamp(42px, 5vw, 68px); line-height: 1.08; letter-spacing: 0; }
h1 em { color: var(--blue); font-style: normal; }
.hero-copy > p { max-width: 560px; color: var(--muted); font-size: 19px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.review-stamp { display: flex; align-items: center; gap: 14px; margin-top: 32px; }
.score-ring { display: grid; width: 68px; height: 68px; place-items: center; border: 5px solid var(--blue); border-left-color: var(--lime); border-radius: 50%; color: var(--blue-deep); font-weight: 900; font-size: 21px; line-height: 1; }
.score-ring small { display: block; font-size: 10px; color: var(--muted); text-align: center; }
.review-stamp p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.45; }
.review-stamp strong { color: var(--ink); }
.hero-visual { position: relative; z-index: 1; }
.product-window { overflow: hidden; border: 1px solid #cbd9e8; border-radius: 8px; background: white; box-shadow: var(--shadow); }
.product-window img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: center; }
.visual-note { position: absolute; right: -20px; bottom: -22px; padding: 14px 17px; background: var(--ink); color: white; box-shadow: 0 12px 30px rgba(16, 32, 51, 0.26); font-weight: 800; font-size: 14px; }
.visual-note span { display: block; color: var(--lime); font-size: 24px; line-height: 1.1; }

.jump-links { display: flex; flex-wrap: wrap; gap: 12px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.jump-links a { padding: 8px 12px; border: 1px solid var(--line); border-radius: 5px; color: var(--blue-deep); font-size: 14px; font-weight: 700; }
.jump-links a:hover { border-color: var(--blue); color: var(--blue); }
.feature-band { padding: 0 0 16px; }
.feature-band .container { display: flex; align-items: center; justify-content: space-between; gap: 26px; padding: 22px 24px; border: 1px solid #d6dfec; border-radius: 6px; background: linear-gradient(135deg, #fff8ec 0%, #eef6ff 100%); box-shadow: 0 12px 28px rgba(29, 63, 106, 0.08); }
.feature-band h2 { margin: 0 0 8px; font-size: clamp(24px, 2.8vw, 34px); line-height: 1.18; letter-spacing: 0; }
.feature-band p { margin: 0; color: var(--muted); font-size: 16px; }
.feature-band .button-primary { flex: 0 0 auto; white-space: nowrap; }
.section { padding: 86px 0; }
.section.wash { background: var(--wash); }
.section-head { max-width: 780px; margin-bottom: 38px; }
.section-head h2 { margin: 8px 0 12px; font-size: clamp(30px, 3.6vw, 46px); line-height: 1.15; letter-spacing: 0; }
.section-head p { color: var(--muted); font-size: 17px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.review-card { border-top: 4px solid var(--blue); background: white; padding: 27px; box-shadow: 0 10px 30px rgba(29, 63, 106, 0.08); }
.review-card h3 { margin-bottom: 10px; font-size: 22px; }
.review-card p { color: var(--muted); }
.pro-con { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 24px; }
.pro-con h3 { font-size: 16px; margin-bottom: 8px; }
.pro-con ul { margin: 0; padding-left: 20px; color: var(--muted); }
.pro-con .pros h3 { color: var(--teal); }
.pro-con .cons h3 { color: #b45309; }

.score-table { border-top: 2px solid var(--ink); }
.score-row { display: grid; grid-template-columns: 170px 1fr 72px; align-items: center; gap: 18px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.score-row strong { font-size: 15px; }
.meter { height: 8px; overflow: hidden; background: #e4edf6; border-radius: 20px; }
.meter span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--blue), var(--teal)); }
.score-row b { text-align: right; color: var(--blue-deep); font-size: 18px; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-item { min-height: 205px; padding: 26px; border: 1px solid var(--line); border-radius: 6px; background: white; }
.feature-index { display: block; margin-bottom: 22px; color: var(--blue); font-weight: 900; font-size: 14px; }
.feature-item h3 { font-size: 21px; margin-bottom: 9px; }
.feature-item p { margin: 0; color: var(--muted); font-size: 15px; }

.quote-band { padding: 58px 0; color: white; background: var(--ink); }
.quote-band blockquote { max-width: 930px; margin: 0; font-size: clamp(27px, 3.5vw, 46px); font-weight: 800; line-height: 1.25; }
.quote-band cite { display: block; margin-top: 18px; color: #b9cbe0; font-style: normal; font-size: 15px; font-weight: 500; }

.conversion { display: grid; grid-template-columns: 1fr 90px 1fr 90px 1fr; align-items: center; margin-top: 12px; }
.format { min-height: 180px; padding: 24px; border: 1px solid var(--line); background: white; }
.format strong { display: block; font-size: 32px; color: var(--blue); }
.format p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.arrow { text-align: center; color: var(--teal); font-size: 34px; font-weight: 800; }

.platform-hero { padding: 74px 0 58px; color: white; background: #102033; }
.platform-hero .hero-grid { align-items: end; }
.platform-hero h1 { margin-bottom: 16px; }
.platform-hero h1 em { color: var(--lime); }
.platform-hero p { color: #d6e3f1; font-size: 18px; max-width: 650px; }
.platform-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.platform-list div { padding: 17px; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.06); }
.platform-list strong { display: block; color: var(--lime); font-size: 18px; }
.platform-list span { color: #c4d3e3; font-size: 13px; }
.tabbar { display: flex; gap: 0; border-bottom: 1px solid var(--line); }
.tabbar button { padding: 14px 22px; border: 0; border-bottom: 3px solid transparent; background: transparent; color: var(--muted); cursor: pointer; font-weight: 800; }
.tabbar button:hover, .tabbar button[aria-selected="true"] { color: var(--blue); border-bottom-color: var(--blue); }
.tab-panel { display: none; padding-top: 34px; }
.tab-panel.active { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: center; }
.platform-copy h2 { font-size: 34px; line-height: 1.2; }
.platform-copy p { color: var(--muted); }
.checklist { padding: 0; margin: 18px 0 0; list-style: none; }
.checklist li { padding: 11px 0 11px 28px; border-bottom: 1px solid var(--line); position: relative; color: var(--muted); }
.checklist li::before { position: absolute; left: 0; color: var(--teal); content: "+"; font-weight: 900; }
.screen-frame { padding: 14px; background: #e8eff6; border: 1px solid #cbd9e8; }
.screen-frame img { display: block; width: 100%; box-shadow: 0 12px 25px rgba(29, 63, 106, .15); }

.comparison { width: 100%; border-collapse: collapse; }
.comparison th, .comparison td { padding: 14px 12px; text-align: left; border-bottom: 1px solid var(--line); }
.comparison th { color: var(--muted); font-size: 13px; }
.comparison td:first-child { font-weight: 800; }
.comparison td:last-child { color: var(--teal); font-weight: 800; }

.core-hero { padding: 80px 0; background: radial-gradient(circle at 72% 18%, #0b8e84 0, #0b8e84 2%, transparent 28%), linear-gradient(130deg, #f6fbfb, #eaf5ff); }
.core-hero .hero-copy p { max-width: 610px; }
.core-map { position: relative; min-height: 370px; border: 1px solid #b8d8d5; background: #fff; box-shadow: var(--shadow); overflow: hidden; }
.core-map::before, .core-map::after { position: absolute; content: ""; height: 1px; background: #8bd0c9; transform-origin: left; }
.core-map::before { top: 139px; left: 68px; width: 300px; transform: rotate(23deg); }
.core-map::after { top: 220px; left: 70px; width: 285px; transform: rotate(-21deg); }
.core-node { position: absolute; z-index: 1; display: grid; place-items: center; width: 110px; height: 110px; padding: 12px; border-radius: 50%; text-align: center; font-weight: 900; line-height: 1.3; }
.core-node.main { left: calc(50% - 55px); top: 125px; background: var(--teal); color: white; box-shadow: 0 0 0 11px #dff5f2; }
.core-node.a { left: 35px; top: 35px; background: #e6f0ff; color: var(--blue-deep); }
.core-node.b { right: 34px; top: 40px; background: #fff0de; color: #9a4800; }
.core-node.c { left: 45px; bottom: 31px; background: #ebf8d4; color: #3e6700; }
.core-node.d { right: 35px; bottom: 31px; background: #f0eaff; color: #583fa0; }
.core-note { position: absolute; bottom: 15px; right: 20px; color: var(--muted); font-size: 12px; }
.detail-list { display: grid; gap: 0; border-top: 2px solid var(--ink); }
.detail-item { display: grid; grid-template-columns: 120px 1fr; gap: 28px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.detail-item strong { color: var(--blue-deep); font-size: 16px; }
.detail-item p { margin: 0; color: var(--muted); }

.transfer-hero { position: relative; overflow: hidden; padding: 80px 0 60px; background: linear-gradient(120deg, #eef9f8 0%, #ffffff 54%, #edf4ff 100%); }
.transfer-hero::after { position: absolute; right: 6%; top: 12%; width: 250px; height: 250px; border: 1px solid rgba(0, 127, 120, .19); border-radius: 50%; content: ""; }
.transfer-hero .hero-copy > p { max-width: 600px; }
.transfer-visual-note { position: absolute; right: -18px; bottom: -19px; padding: 14px 17px; background: var(--teal); color: white; box-shadow: 0 12px 30px rgba(0, 127, 120, .25); font-size: 14px; font-weight: 800; }
.transfer-visual-note span { display: block; color: var(--lime); font-size: 22px; line-height: 1.1; }
.transfer-flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 2px solid var(--ink); }
.transfer-step { position: relative; min-height: 190px; padding: 25px 28px 24px 0; border-bottom: 1px solid var(--line); }
.transfer-step:not(:last-child) { margin-right: 26px; }
.transfer-step:not(:last-child)::after { position: absolute; top: 31px; right: 0; width: 1px; height: 118px; background: var(--line); content: ""; }
.transfer-step strong { display: block; margin-bottom: 24px; color: var(--teal); font-size: 14px; }
.transfer-step h3 { margin-bottom: 8px; font-size: 22px; }
.transfer-step p { margin: 0; color: var(--muted); font-size: 15px; }
.transfer-facts { display: grid; gap: 0; border-top: 2px solid var(--ink); }
.transfer-fact { display: grid; grid-template-columns: 148px 1fr; gap: 30px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.transfer-fact strong { color: var(--blue-deep); font-size: 16px; }
.transfer-fact p { margin: 0; color: var(--muted); }
.transfer-note { padding: 23px 26px; border-left: 4px solid var(--teal); background: #eef9f8; color: #174c49; }
.transfer-note p { margin: 0; }
.text-link { color: var(--blue-deep); font-weight: 800; text-decoration: underline; text-underline-offset: 3px; }
.text-link:hover { color: var(--blue); }
.trial-banner { background: var(--blue); color: white; }
.trial-banner .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 66px; }
.trial-banner strong { font-size: 20px; line-height: 1.3; }
.trial-banner a { display: inline-flex; flex: 0 0 auto; align-items: center; justify-content: center; min-height: 38px; padding: 0 14px; border: 1px solid var(--lime); border-radius: 6px; background: var(--lime); color: var(--ink); font-size: 14px; font-weight: 800; }
.trial-banner a:hover { background: #d5ff86; }

.download-band { padding: 54px 0; background: var(--blue); color: white; }
.download-band .container { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.download-band h2 { margin-bottom: 4px; font-size: 32px; }
.download-band p { margin: 0; color: #dceaff; }
.download-band .button-primary { background: var(--lime); color: var(--ink); white-space: nowrap; }
.download-band .button-primary:hover { background: #d5ff86; }

.partners { padding: 24px 0; border-bottom: 1px solid var(--line); background: #fff; }
.partners .container { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.partners h2 { margin: 0; font-size: 20px; }
.partners p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.partner-links { display: flex; align-items: center; flex-wrap: wrap; column-gap: 12px; row-gap: 8px; }
.partner-links a { display: inline-flex; min-height: 38px; align-items: center; padding: 0 14px; border: 1px solid var(--line); border-radius: 5px; background: #fff; color: var(--blue-deep); font-size: 14px; font-weight: 800; white-space: nowrap; }
.partner-links a:hover { border-color: var(--blue); background: #edf5ff; color: var(--blue); }

.site-footer { padding: 34px 0; background: #0a1624; color: #c4d3e3; font-size: 13px; }
.footer-row { display: flex; gap: 28px; justify-content: space-between; align-items: center; }
.footer-row p { margin: 0; }
.footer-links { display: flex; gap: 18px; }
.footer-links a:hover { color: white; }

.download-hero { padding: 78px 0 64px; background: linear-gradient(115deg, #f4f8ff 0%, #fff 55%, #ecfbf8 100%); }
.download-hero .section-kicker { margin-bottom: 10px; }
.download-hero h1 { max-width: 760px; margin: 0 0 18px; }
.download-hero h1 em { color: var(--blue); font-style: normal; }
.download-hero > .container > p { max-width: 660px; margin-bottom: 0; color: var(--muted); font-size: 18px; }
.download-platforms { padding: 72px 0 86px; }
.download-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; align-items: stretch; }
.download-card { display: flex; min-height: 300px; flex-direction: column; padding: 30px; border: 1px solid var(--line); border-top: 4px solid var(--blue); background: var(--paper); box-shadow: 0 12px 30px rgba(29, 63, 106, 0.08); }
.download-card.docs { gap: 14px; min-height: 300px; }
.download-card.docs > .download-card { min-height: 0; padding: 0; border: 0; box-shadow: none; background: transparent; }
.download-card.benchmark { border-top-color: var(--teal); }
.download-card.optimizer { border-top-color: var(--lime); }
.download-card.optimizer .button-secondary { align-self: flex-start; margin-top: auto; }
.download-card.android { border-top-color: var(--teal); }
.download-card .platform-name { margin: 0 0 12px; color: var(--blue); font-size: 15px; font-weight: 800; }
.download-card.android .platform-name { color: var(--teal); }
.download-card h2 { margin-bottom: 12px; font-size: 32px; line-height: 1.2; }
.download-card p { max-width: 440px; color: var(--muted); }
.download-card .button-primary { align-self: flex-start; margin-top: auto; }
.download-card.android .button-primary { background: var(--teal); }
.download-card.android .button-primary:hover { background: #00645f; }
.download-notes { padding: 54px 0; background: var(--wash); }
.download-notes .container { display: grid; grid-template-columns: minmax(220px, 0.74fr) minmax(0, 1.26fr); gap: 52px; align-items: start; }
.download-notes h2 { margin: 7px 0 0; font-size: 34px; line-height: 1.2; }
.install-list { margin: 0; padding: 0; list-style: none; border-top: 2px solid var(--ink); }
.install-list li { padding: 17px 0 17px 35px; border-bottom: 1px solid var(--line); color: var(--muted); position: relative; }
.install-list li::before { position: absolute; left: 0; color: var(--blue); content: "0" counter(list-item); font-size: 14px; font-weight: 900; }
.official-link { padding: 34px 0; border-bottom: 1px solid var(--line); }
.official-link .container { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.official-link h2 { margin: 0 0 4px; font-size: 22px; }
.official-link p { margin: 0; color: var(--muted); }

@media (max-width: 820px) {
  .nav-wrap, .container { width: min(100% - 32px, 1180px); }
  .nav-wrap { min-height: 64px; }
  .site-nav { display: none; }
  .nav-cta { min-height: 38px; padding: 0 12px; font-size: 13px; }
  .hero, .platform-hero, .core-hero { padding-top: 52px; }
  .hero-grid, .two-col, .tab-panel.active { grid-template-columns: 1fr; gap: 34px; }
  h1 { font-size: 43px; }
  .hero-copy > p { font-size: 17px; }
  .hero-visual { order: -1; }
  .visual-note { right: 10px; bottom: -17px; }
  .feature-band .container { align-items: flex-start; flex-direction: column; }
  .section { padding: 62px 0; }
  .feature-grid, .platform-list { grid-template-columns: 1fr; }
  .conversion { grid-template-columns: 1fr; gap: 10px; }
  .arrow { transform: rotate(90deg); }
  .score-row { grid-template-columns: 120px 1fr 45px; gap: 10px; }
  .tabbar { overflow-x: auto; }
  .tabbar button { flex: 0 0 auto; }
  .core-map { min-height: 470px; }
  .core-node.main { top: 180px; }
  .core-node.a { left: 12px; top: 35px; }
  .core-node.b { right: 12px; top: 35px; }
  .core-node.c { left: 12px; bottom: 34px; }
  .core-node.d { right: 12px; bottom: 34px; }
  .download-band .container, .footer-row { align-items: flex-start; flex-direction: column; }
  .trial-banner .container { align-items: flex-start; flex-direction: column; justify-content: center; gap: 10px; padding-top: 14px; padding-bottom: 14px; }
  .trial-banner strong { font-size: 18px; }
  .download-grid, .download-notes .container { grid-template-columns: 1fr; }
  .download-card { min-height: 260px; }
  .official-link .container { align-items: flex-start; flex-direction: column; }
  .partners .container { align-items: center; flex-direction: row; gap: 18px; }
  .partners .container > div:first-child { flex: 1 1 auto; min-width: 0; }
  .partner-links { flex: 0 0 auto; }
  .transfer-flow { grid-template-columns: 1fr; }
  .transfer-step { min-height: 0; padding: 22px 0; }
  .transfer-step:not(:last-child) { margin-right: 0; }
  .transfer-step:not(:last-child)::after { display: none; }
  .transfer-fact { grid-template-columns: 1fr; gap: 7px; }
}

@media (max-width: 560px) {
  .partners .container { align-items: flex-start; flex-direction: column; gap: 12px; }
}

/* Product hub and SADB pages */
.hub-hero { padding: 84px 0 72px; background: linear-gradient(115deg, #f4f8ff 0%, #fff 54%, #ecfbf8 100%); }
.hub-hero h1 { max-width: 800px; margin: 0 0 18px; }
.hub-hero h1 em { color: var(--blue); font-style: normal; }
.hub-hero p { max-width: 650px; color: var(--muted); font-size: 19px; }
.product-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 46px; border-top: 2px solid var(--ink); }
.product-entry { display: flex; min-height: 250px; flex-direction: column; padding: 24px 22px 22px 0; border-bottom: 1px solid var(--line); }
.product-entry + .product-entry { padding-left: 22px; border-left: 1px solid var(--line); }
.product-entry h2 { margin: 0 0 10px; font-size: 25px; line-height: 1.2; }
.product-entry p { margin: 0; color: var(--muted); font-size: 15px; }
.product-entry .button-primary, .product-entry .button-secondary { align-self: flex-start; margin-top: auto; min-height: 40px; padding: 0 14px; font-size: 13px; }
.product-entry.is-sadb { border-top: 4px solid var(--blue); }
.product-entry.is-sadb h2 { color: var(--blue-deep); }
.product-entry.is-cs { border-top: 4px solid var(--teal); }
.product-entry.is-cs h2 { color: var(--teal); }
.hub-note { padding: 24px 0; border-bottom: 1px solid var(--line); background: #fff8ec; color: #7f4a0a; }
.hub-note p { margin: 0; font-size: 15px; }
.page-hero { padding: 78px 0 58px; background: linear-gradient(115deg, #f4f8ff 0%, #fff 55%, #ecfbf8 100%); }
.page-hero h1 { max-width: 820px; margin: 0 0 18px; }
.page-hero h1 em { color: var(--blue); font-style: normal; }
.page-hero > .container > p { max-width: 700px; color: var(--muted); font-size: 18px; }
.eyebrow { margin-bottom: 10px; color: var(--blue); font-size: 14px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.stat-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 38px; border-top: 2px solid var(--ink); }
.stat { padding: 20px 18px 18px 0; border-bottom: 1px solid var(--line); }
.stat + .stat { padding-left: 18px; border-left: 1px solid var(--line); }
.stat strong { display: block; margin-bottom: 3px; color: var(--blue-deep); font-size: 28px; line-height: 1.2; }
.stat span { color: var(--muted); font-size: 13px; }
.sadb-nav { display: flex; flex-wrap: wrap; gap: 10px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.sadb-nav a { padding: 8px 12px; border: 1px solid var(--line); border-radius: 5px; color: var(--blue-deep); font-size: 14px; font-weight: 800; }
.sadb-nav a:hover, .sadb-nav a.active { border-color: var(--blue); background: #edf5ff; color: var(--blue); }
.product-subnav { border-bottom: 1px solid var(--line); background: #f8fbff; }
.product-subnav .container { display: flex; gap: 4px; overflow-x: auto; }
.product-subnav a { flex: 0 0 auto; padding: 12px 14px 10px; border-bottom: 2px solid transparent; color: var(--muted); font-size: 13px; font-weight: 800; }
.product-subnav a:hover, .product-subnav a.active { border-bottom-color: var(--blue); color: var(--blue); }
.data-table-wrap { overflow-x: auto; border-top: 2px solid var(--ink); }
.data-table { width: 100%; min-width: 720px; border-collapse: collapse; }
.data-table th, .data-table td { padding: 14px 12px; text-align: left; border-bottom: 1px solid var(--line); }
.data-table th { color: var(--muted); font-size: 13px; font-weight: 800; }
.ranking-list { display: grid; gap: 10px; border-top: 2px solid var(--ink); }
.rank-card { display: grid; grid-template-columns: 58px minmax(0,1fr) auto 92px; align-items: center; gap: 16px; padding: 15px 18px; border-bottom: 1px solid var(--line); background: #fff; }
.rank-card.rank-1 { padding-top: 21px; padding-bottom: 21px; border-left: 4px solid var(--lime); box-shadow: 0 8px 20px rgba(29,63,106,.08); }
.rank-card.rank-2 { border-left: 4px solid #c3ccd8; }
.rank-card.rank-3 { border-left: 4px solid #d7a06a; }
.rank-medal { color: var(--blue); font-size: 18px; font-weight: 900; letter-spacing: .04em; }
.rank-card h3 { margin: 0; font-size: 16px; line-height: 1.25; overflow-wrap: anywhere; }
.rank-card p { margin: 3px 0 0; color: var(--muted); font-size: 12px; }
.rank-card strong { color: var(--blue-deep); font-size: 21px; white-space: nowrap; }
.rank-card strong small { color: var(--muted); font-size: 12px; font-weight: 600; }
.rank-stability { color: var(--teal); font-size: 14px; font-weight: 800; text-align: right; white-space: nowrap; }
.rank-stability small { display: block; color: var(--muted); font-size: 11px; font-weight: 600; }
@media (max-width: 620px) { .rank-card { grid-template-columns: 42px minmax(0,1fr) auto; gap: 10px; } .rank-stability { grid-column: 2 / -1; text-align: left; } }
.data-table td:first-child { font-weight: 800; }
.data-table td.score { color: var(--blue-deep); font-size: 18px; font-weight: 900; }
.data-table td.stable { color: var(--teal); font-weight: 800; }
.chart-frame { padding: 18px; border: 1px solid var(--line); background: #fff; }
.chart-frame img { display: block; width: 100%; height: auto; }
.domain-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 34px; border-top: 2px solid var(--ink); }
.domain-row { display: grid; grid-template-columns: 1fr 120px; gap: 20px; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--line); }
.domain-row strong { font-size: 15px; }
.domain-row span { color: var(--muted); font-size: 13px; text-align: right; }
.domain-bar { grid-column: 1 / -1; height: 7px; background: #e4edf6; }
.domain-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--blue), var(--teal)); }
.callout { padding: 22px 24px; border-left: 4px solid var(--teal); background: #eef9f8; color: #174c49; }
.callout p { margin: 0; }
.method-list { display: grid; gap: 0; border-top: 2px solid var(--ink); }
.method-row { display: grid; grid-template-columns: 190px 1fr; gap: 26px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.method-row strong { color: var(--blue-deep); }
.method-row p { margin: 0; color: var(--muted); }
.cs-hero { padding: 100px 0 120px; background: linear-gradient(120deg, #eef9f8 0%, #ffffff 58%, #edf4ff 100%); }
.cs-hero h1 { margin: 0 0 16px; }
.cs-hero h1 em { color: var(--teal); font-style: normal; }
.cs-hero p { max-width: 620px; color: var(--muted); font-size: 18px; }
.cs-mark { display: inline-flex; margin: 32px 0 30px; padding: 12px 16px; border: 1px solid #9ad1cc; color: var(--teal); font-size: 14px; font-weight: 900; letter-spacing: .05em; text-transform: uppercase; }
.cs-hero .button-secondary { min-height: 42px; }
.site-nav .nav-sadb { color: var(--blue); }

/* Chinese product pages: Windows care and Android TV tools */
.home-hero, .optimizer-hero, .tv-product-hero { padding: 72px 0 64px; background: linear-gradient(115deg, #f4f8ff 0%, #fff 58%, #edf8f7 100%); }
.home-hero-grid, .optimizer-hero-grid, .tv-product-grid, .home-tv-grid, .optimizer-ai-grid { display: grid; grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr); gap: 48px; align-items: center; }
.home-copy, .optimizer-copy, .tv-product-grid > div, .home-hero-grid > *, .optimizer-hero-grid > *, .tv-product-grid > * { min-width: 0; }
.home-copy h1, .optimizer-copy h1, .tv-product-grid h1 { margin: 10px 0 18px; }
.home-copy h1 em, .optimizer-copy h1 em { color: var(--blue); font-style: normal; }
.home-copy > p:not(.section-kicker), .optimizer-copy > p:not(.section-kicker), .tv-product-grid > div > p:not(.section-kicker) { max-width: 620px; color: var(--muted); font-size: 19px; }
.home-mobile-summary { display: none; }
.home-product-shot, .optimizer-shot, .tv-product-shot { min-width: 0; margin: 0; padding: 10px; border: 1px solid #d7e1eb; background: #fff; box-shadow: var(--shadow); }
.home-product-shot img, .optimizer-shot img, .tv-product-shot img { display: block; width: 100%; height: auto; }
.home-product-shot figcaption, .optimizer-shot figcaption, .tv-product-shot figcaption { padding: 10px 4px 2px; color: var(--muted); font-size: 13px; }
.home-product-links { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; margin-top: 34px; border-top: 1px solid var(--line); }
.home-product-links a { display: grid; gap: 3px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.home-product-links strong { color: var(--blue-deep); font-size: 16px; }
.home-product-links span { color: var(--muted); font-size: 13px; }
.home-tv-band { padding: 48px 0; background: #102033; color: #fff; }
.home-tv-band .section-kicker { color: #92e0d4; }
.home-tv-band h2 { margin: 0 0 10px; font-size: 34px; }
.home-tv-band p:not(.section-kicker) { max-width: 600px; color: #d6e3f1; }
.home-tv-band .button-secondary { border-color: rgba(255,255,255,.5); }
.home-tv-grid { grid-template-columns: 1fr minmax(0, .78fr); }
.home-tv-grid > img { display: block; width: 100%; max-height: 380px; object-fit: cover; object-position: center top; border: 1px solid rgba(255,255,255,.2); }
.home-product-list { border-top: 2px solid var(--ink); }
.home-product-list > a { display: grid; grid-template-columns: 54px minmax(0,1fr) 120px; align-items: center; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.home-product-list > a > span, .feature-index { color: var(--blue); font-size: 14px; font-weight: 900; }
.home-product-list h3 { margin: 0 0 4px; font-size: 20px; }
.home-product-list p { margin: 0; color: var(--muted); font-size: 14px; }
.home-product-list b { color: var(--blue-deep); font-size: 13px; text-align: right; white-space: nowrap; }
.optimizer-facts { display: flex; flex-wrap: wrap; gap: 0; margin-top: 28px; border-top: 1px solid var(--line); }
.optimizer-facts span { padding: 12px 18px 0 0; margin-right: 18px; color: var(--muted); font-size: 13px; }
.optimizer-feature-list { border-top: 2px solid var(--ink); }
.optimizer-feature-list article { display: grid; grid-template-columns: 64px 1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.optimizer-feature-list h3 { margin: 0 0 5px; font-size: 21px; }
.optimizer-feature-list p { margin: 0; color: var(--muted); }
.optimizer-ai-grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); }
.optimizer-ai-grid h2, .tv-product-grid h2 { margin: 8px 0 12px; font-size: 34px; line-height: 1.2; }
.optimizer-ai-grid > div > p:not(.section-kicker) { color: var(--muted); }
.tv-product-hero { background: linear-gradient(120deg, #eef9f8 0%, #fff 58%, #edf4ff 100%); }
.tv-product-grid { grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); }
.tv-product-grid h1 { font-size: clamp(42px, 5vw, 64px); }
.open-source-note { margin-top: 23px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 13px !important; }
.secondary-shot { max-width: 640px; }
.tv-feature-rows { border-top: 2px solid var(--ink); }
.tv-feature-rows article { display: grid; grid-template-columns: 62px 1fr; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.tv-feature-rows article > strong { color: var(--teal); font-size: 14px; }
.tv-feature-rows h3 { margin: 0 0 5px; font-size: 20px; }
.tv-feature-rows p { margin: 0; color: var(--muted); }
.tv-steps { margin: 0; padding-left: 24px; color: var(--muted); }
.tv-steps li { padding: 0 0 14px 5px; }
.adb-product-hero { background: linear-gradient(120deg, #fff8ee 0%, #fff 58%, #eef5ff 100%); }
.adb-product-hero .section-kicker { color: #b9680d; }
.adb-product-hero .button-primary { background: #bf650b; }
.adb-shot { background: #101820; border-color: #263847; }
.adb-shot figcaption { color: #c4d3e3; }
.adb-workflow { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 0; border-top: 2px solid var(--ink); }
.adb-workflow article { min-width: 0; padding: 19px 18px 0 0; margin-right: 18px; border-bottom: 1px solid var(--line); }
.adb-workflow article > span { display: block; margin-bottom: 20px; color: #bf650b; font-size: 14px; font-weight: 900; }
.adb-workflow h3 { font-size: 18px; line-height: 1.35; }
.adb-workflow p, .adb-capabilities { color: var(--muted); font-size: 14px; }
.adb-capabilities { padding-left: 20px; }
.adb-capabilities li { padding: 0 0 10px 2px; }
.adb-caution { margin-top: 20px; padding: 16px 18px; border-left: 4px solid #bf650b; background: #fff5e8; color: #69410e !important; font-size: 14px !important; }
.nav-wrap > .site-nav { min-width: 0; flex-wrap: wrap; justify-content: center; }
.site-nav a.active { color: var(--blue); }
@media (max-width: 900px) {
  .home-hero-grid, .optimizer-hero-grid, .tv-product-grid, .home-tv-grid, .optimizer-ai-grid { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .adb-workflow { grid-template-columns: repeat(2, minmax(0,1fr)); row-gap: 16px; }
  .adb-workflow article:nth-child(2n) { margin-right: 0; }
}
@media (max-width: 620px) {
  .home-hero, .optimizer-hero, .tv-product-hero { padding: 48px 0; }
  .home-hero .container, .optimizer-hero .container, .tv-product-hero .container { width: calc(100% - 32px); max-width: 1180px; }
  .home-hero-grid, .optimizer-hero-grid, .tv-product-grid, .home-tv-grid, .optimizer-ai-grid { width: 100%; grid-template-columns: minmax(0, 1fr); }
  .home-copy > p, .optimizer-copy > p, .tv-product-grid > div > p { display: block; width: calc(100vw - 32px); max-width: calc(100vw - 32px); white-space: normal; overflow-wrap: anywhere; word-break: break-word; }
  .home-desktop-summary { display: none !important; }
  .home-copy > .home-mobile-summary { display: block !important; }
  .home-product-links { grid-template-columns: 1fr; }
  .home-product-list > a { grid-template-columns: 34px minmax(0,1fr); gap: 12px; }
  .home-product-list b { grid-column: 2; text-align: left; }
  .optimizer-feature-list article, .tv-feature-rows article { grid-template-columns: 40px 1fr; gap: 10px; }
  .adb-workflow { grid-template-columns: 1fr; }
  .adb-workflow article { margin-right: 0; padding-bottom: 12px; }
  .nav-wrap { flex-wrap: wrap; gap: 8px 12px; padding: 10px 0; }
  .nav-wrap > .site-nav { order: 3; width: 100%; justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; }
  .site-nav a { flex: 0 0 auto; padding: 7px 8px; font-size: 12px; }
  .nav-wrap .nav-cta { min-height: 36px; padding: 0 11px; font-size: 12px; }
}

@media (max-width: 900px) {
  .product-list { grid-template-columns: repeat(2, 1fr); }
  .product-entry:nth-child(3) { padding-left: 0; border-left: 0; }
  .product-entry:nth-child(4) { padding-left: 22px; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { padding-left: 0; border-left: 0; }
  .stat:nth-child(4) { padding-left: 18px; }
  .domain-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .product-list, .stat-strip { grid-template-columns: 1fr; }
  .product-entry, .product-entry + .product-entry, .product-entry:nth-child(4), .stat, .stat + .stat, .stat:nth-child(4) { padding-left: 0; border-left: 0; }
  .method-row { grid-template-columns: 1fr; gap: 6px; }
  .cs-hero { padding: 72px 0 86px; }
}