:root {
  --ink: #11141b;
  --muted: #5d6573;
  --line: #dce1e9;
  --line-strong: #c8cfda;
  --surface: #ffffff;
  --surface-alt: #f6f8fb;
  --blue: #075cf6;
  --blue-dark: #0348c9;
  --blue-soft: #edf3ff;
  --coral: #f04438;
  --code: #151c29;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: var(--surface); font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; letter-spacing: 0; }
a { color: inherit; }
button, input, select { font: inherit; letter-spacing: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible { outline: 3px solid rgba(7, 92, 246, .25); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 1000; background: #fff; color: #111; padding: 10px 14px; border-radius: 4px; }
.skip-link:focus { top: 12px; }

.site-header { position: sticky; z-index: 50; top: 0; height: 66px; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); }
.header-inner { width: min(calc(100% - 40px), 1380px); height: 100%; margin: 0 auto; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 800; text-decoration: none; white-space: nowrap; }
.brand img { width: 31px; height: 31px; border-radius: 5px; }
.site-header nav { display: flex; gap: 34px; margin-left: auto; }
.site-header nav a { color: #363c48; text-decoration: none; font-size: 14px; }
.site-header nav a:hover { color: var(--blue); }
.header-cta { min-height: 40px; display: inline-flex; align-items: center; padding: 8px 17px; color: #fff; background: var(--blue); border-radius: 5px; text-decoration: none; font-size: 14px; font-weight: 750; box-shadow: 0 5px 14px rgba(7, 92, 246, .18); }
.header-cta:hover { background: var(--blue-dark); }

.hero { padding: 34px max(24px, calc((100% - 1380px) / 2)) 54px; background: #fbfcfe; border-bottom: 1px solid var(--line); }
.hero-copy { max-width: 880px; margin: 0 auto; padding: 0 0 28px; text-align: center; }
.eyebrow { margin: 0 0 10px; color: #303744; font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.eyebrow.dark { color: var(--blue); }
.hero h1 { margin: 0; font-size: clamp(42px, 5.2vw, 66px); line-height: 1.12; font-weight: 850; letter-spacing: 0; }
.hero-lead { max-width: 760px; margin: 12px auto 0; color: var(--muted); font-size: 16px; }
.hero-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 23px; }
.button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 10px 21px; border: 1px solid transparent; border-radius: 6px; text-decoration: none; font-weight: 750; transition: transform .16s ease, background .16s ease, border-color .16s ease; }
.button:hover { transform: translateY(-1px); }
.button.primary { color: #fff; background: var(--blue); box-shadow: 0 8px 18px rgba(7, 92, 246, .18); }
.button.primary:hover { background: var(--blue-dark); }
.button.secondary, .button.outline { color: #343b47; background: #fff; border-color: var(--line-strong); }
.button.secondary:hover, .button.outline:hover { color: var(--blue); border-color: var(--blue); }
.button.full { width: 100%; }
.button.light { color: var(--blue-dark); background: #fff; }
.button.dark-outline { color: #fff; border-color: rgba(255,255,255,.52); }
.hero-points { display: flex; justify-content: center; flex-wrap: wrap; gap: 30px; margin: 22px 0 0; padding: 0; color: #4a5260; list-style: none; font-size: 13px; }
.hero-points li { display: inline-flex; align-items: center; gap: 8px; }
.hero-points i { width: 18px; color: var(--blue); text-align: center; }

.search-console { max-width: 1380px; margin: 0 auto; overflow: hidden; background: #fff; border: 1px solid var(--line-strong); border-radius: 8px; box-shadow: 0 22px 60px rgba(36, 51, 77, .08); }
.console-topline { min-height: 46px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 8px 20px; border-bottom: 1px solid var(--line); }
.console-topline p { margin: 0; font-size: 13px; }
.console-topline p span { margin-left: 9px; color: var(--muted); font-size: 12px; }
.demo-badge { display: inline-flex; align-items: center; gap: 6px; color: var(--coral); font-size: 12px; }
.search-controls { display: grid; grid-template-columns: minmax(300px, 2.1fr) minmax(290px, 1.4fr) minmax(230px, 1fr) 110px; gap: 14px; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.query-field, .domain-field, .time-field { min-height: 52px; display: flex; align-items: center; gap: 10px; padding: 0 14px; background: #fff; border: 1px solid var(--line-strong); border-radius: 6px; }
.query-field:focus-within, .domain-field:focus-within, .time-field:focus-within { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(7, 92, 246, .08); }
.query-field > i, .time-field > i { color: #5c6675; }
.query-field input { width: 100%; min-width: 0; border: 0; outline: 0; color: var(--ink); background: transparent; }
.field-label { color: #606978; font-size: 12px; white-space: nowrap; }
.domain-chips { min-width: 0; display: flex; gap: 7px; flex: 1; overflow: hidden; }
.domain-chip { min-width: 0; display: inline-flex; align-items: center; gap: 7px; padding: 5px 8px 5px 10px; color: #2d3a55; background: var(--blue-soft); border: 1px solid #d8e3ff; border-radius: 999px; font-size: 12px; white-space: nowrap; }
.domain-chip button, .chip-reset { padding: 0; display: inline-grid; place-items: center; color: #6c7690; background: transparent; border: 0; cursor: pointer; }
.domain-chip button { width: 16px; height: 16px; }
.domain-chip button:hover, .chip-reset:hover { color: var(--blue); }
.chip-reset { width: 24px; height: 28px; }
.empty-domains { color: #8a92a0; font-size: 12px; }
.time-field select { min-width: 0; flex: 1; color: #2e3541; background: transparent; border: 0; outline: 0; cursor: pointer; }
.search-button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; color: #fff; background: var(--blue); border: 0; border-radius: 6px; font-weight: 800; cursor: pointer; }
.search-button:hover { background: var(--blue-dark); }
.search-button:disabled { cursor: wait; opacity: .78; }
.console-body { min-height: 425px; display: grid; grid-template-columns: 240px minmax(0, 1fr); }
.search-filters { padding: 18px 20px; border-right: 1px solid var(--line); }
.search-filters h2 { margin: 0 0 10px; font-size: 13px; }
.search-filters label { min-height: 34px; display: grid; grid-template-columns: 18px 1fr auto; align-items: center; gap: 7px; color: #3f4754; cursor: pointer; font-size: 12px; }
.search-filters input { margin: 0; accent-color: var(--blue); }
.search-filters b { color: #7d8592; font-weight: 500; }
.language-control { margin-top: 23px; padding-top: 18px; border-top: 1px solid var(--line); }
.language-control select { width: 100%; min-height: 38px; padding: 0 10px; color: #3b4350; background: #fff; border: 1px solid var(--line-strong); border-radius: 5px; }
.results-pane { min-width: 0; padding: 0 20px 12px; }
.results-status { min-height: 47px; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: #657080; border-bottom: 1px solid var(--line); font-size: 12px; }
.result-head, .result-row { display: grid; grid-template-columns: 150px 110px minmax(0, 1fr) 64px; gap: 12px; align-items: center; }
.result-head { min-height: 34px; color: #737c8a; border-bottom: 1px solid var(--line); font-size: 11px; }
.result-row { min-height: 66px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.result-source { min-width: 0; display: flex; align-items: center; gap: 8px; color: #394250; font-size: 12px; white-space: nowrap; }
.result-source b { width: 27px; height: 27px; display: inline-grid; place-items: center; color: #fff; background: #253044; border-radius: 50%; font-size: 11px; }
.result-row:nth-child(even) .result-source b { background: var(--blue); }
.result-row time { color: var(--coral); font-size: 12px; }
.result-copy { min-width: 0; display: block; }
.result-copy strong { display: block; overflow: hidden; color: var(--blue); font-size: 13px; line-height: 1.35; text-overflow: ellipsis; white-space: nowrap; }
.result-copy small { display: block; margin-top: 3px; overflow: hidden; color: #555e6d; font-size: 11px; line-height: 1.4; text-overflow: ellipsis; white-space: nowrap; }
.view-result { display: inline-flex; align-items: center; justify-content: flex-end; gap: 5px; padding: 0; color: var(--blue); background: transparent; border: 0; font-size: 12px; font-weight: 700; cursor: pointer; }
.view-result:hover { text-decoration: underline; }
.more-results { min-height: 40px; display: flex; align-items: center; justify-content: center; gap: 10px; margin: 2px auto 0; padding: 0 14px; color: var(--blue); background: transparent; border: 0; font-size: 13px; font-weight: 800; cursor: pointer; }
.empty-results { min-height: 280px; display: flex; flex-direction: column; align-items: center; justify-content: center; color: #7b8491; text-align: center; }
.empty-results i { margin-bottom: 12px; font-size: 24px; }
.empty-results strong { color: #3b4350; }
.empty-results span { margin-top: 4px; font-size: 12px; }

.proof-band { width: min(calc(100% - 40px), var(--max)); display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); margin: 0 auto; padding: 24px 0; border-bottom: 1px solid var(--line); }
.proof-band p { margin: 0; padding: 5px 18px; color: var(--muted); border-right: 1px solid var(--line); font-size: 13px; }
.proof-band p:last-child { border-right: 0; }
.proof-band strong { color: var(--ink); }
.section { max-width: var(--max); margin: 0 auto; padding: 96px 0; }
.section-heading { max-width: 730px; margin: 0 auto 44px; text-align: center; }
.section-heading.align-left { margin-left: 0; text-align: left; }
.section-heading h2, .pricing-copy h2, .final-cta h2 { margin: 0; font-size: clamp(30px, 4vw, 44px); line-height: 1.22; letter-spacing: 0; }
.section-heading > p:last-child, .pricing-copy > p { color: var(--muted); font-size: 16px; }
.quickstart { padding-top: 86px; }
.code-workbench { max-width: 930px; margin: 0 auto; overflow: hidden; color: #dce6ef; background: var(--code); border-radius: 8px; box-shadow: 0 22px 55px rgba(17, 24, 39, .15); }
.code-toolbar { height: 58px; display: flex; align-items: center; justify-content: space-between; padding: 0 16px 0 22px; border-bottom: 1px solid rgba(255,255,255,.1); }
.code-tabs { height: 100%; display: flex; gap: 20px; }
.code-tab { position: relative; padding: 0; color: #8290a0; background: none; border: 0; cursor: pointer; }
.code-tab.active { color: #fff; }
.code-tab.active::after { content: ""; position: absolute; right: 0; bottom: 0; left: 0; height: 2px; background: #4a82ff; }
.icon-button { width: 38px; height: 38px; display: inline-grid; place-items: center; color: #a8b6c2; background: transparent; border: 1px solid rgba(255,255,255,.16); border-radius: 5px; cursor: pointer; }
.icon-button:hover, .icon-button.copied { color: #fff; border-color: #4a82ff; }
.code-panel { min-height: 410px; margin: 0; padding: 30px; overflow: auto; font: 14px/1.75 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.code-panel[hidden] { display: none; }
.parameter-strip { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.1); }
.parameter-strip span { padding: 18px 16px; color: #8fa0ae; border-right: 1px solid rgba(255,255,255,.1); font-size: 12px; text-align: center; }
.parameter-strip span:last-child { border-right: 0; }
.parameter-strip code { color: #79a4ff; }
.capability-section { max-width: none; padding-right: max(20px, calc((100% - var(--max)) / 2)); padding-left: max(20px, calc((100% - var(--max)) / 2)); background: var(--surface-alt); }
.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.capability-item { padding: 34px 28px 38px; border-right: 1px solid var(--line); }
.capability-item:last-child { border-right: 0; }
.capability-item > i { color: var(--blue); font-size: 24px; }
.capability-item h3 { margin: 22px 0 9px; font-size: 18px; }
.capability-item p { margin: 0; color: var(--muted); font-size: 14px; }
.capability-item code, .faq-list code { color: var(--blue); font-size: .92em; }
.use-case-list { border-top: 1px solid var(--line); }
.use-case-list article { display: grid; grid-template-columns: 70px 1fr 150px; gap: 26px; align-items: center; padding: 30px 0; border-bottom: 1px solid var(--line); }
.case-number { color: var(--coral); font: 700 15px ui-monospace, monospace; }
.use-case-list h3 { margin: 0 0 5px; font-size: 20px; }
.use-case-list p { margin: 0; color: var(--muted); font-size: 14px; }
.use-case-list article > span { justify-self: end; padding: 5px 9px; color: var(--blue-dark); background: var(--blue-soft); border: 1px solid #d5e1ff; border-radius: 4px; font-size: 12px; }
.guide-section { border-top: 1px solid var(--line); }
.guide-list { border-top: 1px solid var(--line); }
.guide-list a { min-height: 112px; display: grid; grid-template-columns: 68px 1fr 32px; gap: 20px; align-items: center; padding: 22px 8px 22px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.guide-list a:hover strong, .guide-list a:hover > i { color: var(--blue); }
.guide-list strong { display: block; font-size: 20px; }
.guide-list small { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; }
.guide-list > a > i { color: #7d8592; }
.pricing-section { display: grid; grid-template-columns: 1fr minmax(320px, 420px); gap: 90px; align-items: center; }
.pricing-copy > p { max-width: 610px; }
.text-link { display: inline-flex; align-items: center; gap: 7px; margin-top: 17px; color: var(--blue); font-weight: 700; text-decoration: none; }
.price-block { padding: 34px; border: 1px solid var(--line); border-top: 4px solid var(--coral); border-radius: 6px; box-shadow: 0 16px 40px rgba(30, 43, 69, .06); }
.price-block > p:first-child { margin: 0; color: var(--blue); font-size: 12px; font-weight: 800; }
.price { display: flex; align-items: baseline; gap: 8px; margin: 18px 0 0; }
.price strong { color: var(--coral); font-size: 46px; line-height: 1; }
.price span, .price-equivalent { color: var(--muted); }
.price-equivalent { margin: 12px 0 26px; font-size: 14px; }
.price-block .button + .button { margin-top: 10px; }
.price-block small { display: block; margin-top: 18px; color: #7b838f; line-height: 1.6; }
.faq-section { border-top: 1px solid var(--line); }
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 50px; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }
.faq-list summary { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; font-weight: 700; list-style: none; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary i { transition: transform .2s; }
.faq-list details[open] summary i { transform: rotate(45deg); }
.faq-list details p { margin: -4px 0 24px; color: var(--muted); font-size: 14px; }
.final-cta { max-width: none; display: flex; align-items: center; justify-content: space-between; gap: 50px; padding: 70px max(20px, calc((100% - var(--max)) / 2)); color: #fff; background: #10224a; }
.final-cta > div:first-child { max-width: 700px; }
.final-cta .eyebrow { color: #9fbbff; }
.final-cta p:last-child { color: rgba(255,255,255,.7); }
.final-actions { display: flex; flex-wrap: wrap; gap: 10px; }
footer { max-width: var(--max); display: flex; justify-content: space-between; gap: 40px; margin: 0 auto; padding: 42px 0; }
footer p { margin: 3px 0 0; color: var(--muted); font-size: 13px; }
.footer-links { display: flex; align-items: center; flex-wrap: wrap; gap: 22px; }
.footer-links a { color: var(--muted); font-size: 13px; text-decoration: none; }
.footer-links a:hover { color: var(--blue); }

@media (max-width: 1100px) {
  .search-controls { grid-template-columns: 1.5fr 1fr 1fr 100px; }
  .field-label { display: none; }
  .result-head, .result-row { grid-template-columns: 128px 92px minmax(0, 1fr) 58px; }
}

@media (max-width: 900px) {
  .site-header nav { display: none; }
  .header-cta { margin-left: auto; }
  .hero { padding-right: 20px; padding-left: 20px; }
  .search-controls { grid-template-columns: 1fr 1fr; }
  .search-button { min-height: 48px; }
  .console-body { grid-template-columns: 190px minmax(0, 1fr); }
  .result-head { display: none; }
  .result-row { grid-template-columns: 1fr auto; gap: 5px 12px; padding: 13px 0; }
  .result-source { grid-column: 1; }
  .result-row time { grid-column: 2; grid-row: 1; }
  .result-copy { grid-column: 1 / -1; }
  .view-result { display: none; }
  .proof-band { grid-template-columns: 1fr 1fr; padding: 20px; }
  .proof-band p { border-right: 0; border-bottom: 1px solid var(--line); }
  .proof-band p:first-child { grid-column: 1 / -1; }
  .section { padding: 78px 20px; }
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .capability-item:nth-child(2) { border-right: 0; }
  .capability-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .parameter-strip { grid-template-columns: 1fr 1fr; }
  .parameter-strip span:nth-child(2) { border-right: 0; }
  .parameter-strip span:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.1); }
  .pricing-section { grid-template-columns: 1fr; gap: 44px; }
  .faq-list { grid-template-columns: 1fr; }
  .faq-list details { border-bottom: 0 !important; }
  .faq-list details:last-child { border-bottom: 1px solid var(--line) !important; }
  .final-cta { flex-direction: column; align-items: flex-start; }
  footer { padding: 38px 20px; }
}

@media (max-width: 600px) {
  .site-header { height: 60px; }
  .header-inner { width: calc(100% - 28px); }
  .brand { font-size: 15px; }
  .brand img { width: 28px; height: 28px; }
  .header-cta { min-height: 36px; padding: 6px 11px; font-size: 12px; }
  .hero { padding: 27px 14px 34px; }
  .hero-copy { padding-bottom: 23px; }
  .eyebrow { font-size: 10px; }
  .hero h1 { font-size: 38px; line-height: 1.16; }
  .hero-lead { font-size: 15px; line-height: 1.7; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-points { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 16px; text-align: left; }
  .search-console { border-radius: 7px; }
  .console-topline { padding: 8px 12px; }
  .console-topline p span { display: block; margin-left: 0; }
  .search-controls { grid-template-columns: 1fr; gap: 9px; padding: 12px; }
  .query-field, .domain-field, .time-field { min-height: 46px; }
  .search-button { min-height: 46px; }
  .console-body { min-height: 0; display: block; }
  .search-filters { width: 100%; max-width: 100%; display: flex; gap: 8px; padding: 12px; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line); scrollbar-width: none; }
  .search-filters::-webkit-scrollbar { display: none; }
  .search-filters h2, .search-filters b, .language-control { display: none; }
  .search-filters label { position: relative; min-height: 32px; display: inline-flex; flex: 0 0 auto; padding: 5px 10px; background: #fff; border: 1px solid var(--line-strong); border-radius: 999px; }
  .search-filters label:has(input:checked) { color: var(--blue); background: var(--blue-soft); border-color: #b7caff; }
  .search-filters input { position: absolute; top: 0; left: 0; width: 1px; height: 1px; margin: 0; opacity: 0; pointer-events: none; }
  .results-pane { padding: 0 12px 10px; }
  .results-status { min-height: 42px; }
  .results-status span:last-child { display: none; }
  .result-row { min-height: 0; padding: 12px 0; }
  .result-source b { width: 23px; height: 23px; }
  .result-row time { font-size: 11px; }
  .result-copy strong { font-size: 12px; }
  .result-copy small { white-space: normal; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
  .results-list .result-row:nth-child(n+4) { display: none; }
  .more-results { margin-top: 4px; }
  .proof-band { grid-template-columns: 1fr; }
  .proof-band p:first-child { grid-column: auto; }
  .section-heading { text-align: left; }
  .code-panel { min-height: 430px; padding: 22px 18px; font-size: 12px; }
  .parameter-strip { grid-template-columns: 1fr; }
  .parameter-strip span { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-item { border-right: 0; border-bottom: 1px solid var(--line); }
  .capability-item:last-child { border-bottom: 0; }
  .use-case-list article { grid-template-columns: 40px 1fr; gap: 16px; align-items: start; }
  .use-case-list article > span { grid-column: 2; justify-self: start; }
  .guide-list a { grid-template-columns: 42px 1fr 20px; gap: 12px; }
  .guide-list strong { font-size: 17px; }
  .price-block { padding: 28px 22px; }
  .price strong { font-size: 40px; }
  .final-actions { width: 100%; }
  .final-actions .button { width: 100%; }
  footer { flex-direction: column; }
  .footer-links { align-items: flex-start; flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}