:root {
  --paper: #fffaf2;
  --paper-plain: #ffffff;
  --ink: #1b1c1d;
  --muted: #606266;
  --soft: #7c6b5b;
  --line: #e8ddd0;
  --line-strong: #d9c7b6;
  --orange: #f38020;
  --orange-dark: #9f4700;
  --orange-soft: #fff1e2;
  --blue: #006591;
  --blue-soft: #e7f5fb;
  --green: #0f8a5f;
  --green-soft: #e7f7ef;
  --red: #ba1a1a;
  --red-soft: #ffe6e1;
  --shadow: 0 18px 55px rgba(75, 55, 35, .12);
  --shadow-tight: 0 10px 28px rgba(75, 55, 35, .1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(27, 28, 29, .035) 1px, transparent 1px),
    linear-gradient(rgba(27, 28, 29, .026) 1px, transparent 1px),
    var(--paper);
  background-size: 44px 44px;
  font-family: "IBM Plex Sans", "Aptos", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(112deg, rgba(243, 128, 32, .13), transparent 34%),
    linear-gradient(28deg, rgba(0, 101, 145, .1), transparent 38%),
    radial-gradient(circle at 58% 0, rgba(255, 255, 255, .82), transparent 31%);
}

a {
  color: inherit;
}

img,
svg {
  display: block;
}

.skip-link {
  position: absolute;
  left: 18px;
  top: 12px;
  z-index: 20;
  padding: 10px 14px;
  color: var(--paper-plain);
  background: var(--ink);
  border-radius: 6px;
  transform: translateY(-140%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(217, 199, 182, .72);
  background: rgba(255, 250, 242, .9);
  backdrop-filter: blur(18px);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  width: min(1180px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  text-decoration: none;
}

.brand-link img {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(159, 71, 0, .14);
}

.brand-wordmark {
  display: grid;
  gap: 0;
}

.brand-wordmark strong {
  font-family: "Aptos Display", "IBM Plex Sans Condensed", "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.05;
}

.brand-wordmark span {
  color: var(--soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  min-height: 38px;
  padding: 8px 12px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
  border-radius: 6px;
}

.nav-links a:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, .72);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: rgba(255, 255, 255, .68);
}

.language-switcher a,
.language-switcher span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 6px 9px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
  text-decoration: none;
  border-radius: 5px;
}

.language-switcher span {
  color: #fff;
  background: #1b1c1d;
}

.language-switcher a:hover {
  color: var(--ink);
  background: rgba(255, 241, 226, .9);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 42px;
  padding: 10px 16px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: rgba(255, 255, 255, .72);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .85) inset;
}

html:lang(zh-CN) body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "IBM Plex Sans", "Segoe UI", sans-serif;
}

html:lang(zh-CN) h1,
html:lang(zh-CN) h2,
html:lang(zh-CN) h3 {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Aptos Display", sans-serif;
}

html:lang(zh-CN) h1 {
  line-height: 1.02;
}

html:lang(zh-CN) h2 {
  line-height: 1.08;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-tight);
}

.button--primary {
  color: #fff;
  border-color: var(--orange-dark);
  background: linear-gradient(180deg, #fb923c, #cf5f00);
}

.button--dark {
  color: #fff;
  border-color: #111;
  background: #1b1c1d;
}

.button--light {
  color: #1b1c1d;
  border-color: rgba(255, 255, 255, .58);
  background: rgba(255, 255, 255, .9);
}

.button svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 1.08fr);
  gap: 44px;
  width: min(1180px, calc(100% - 32px));
  min-height: min(760px, calc(100vh - 132px));
  margin: 0 auto;
  padding: 56px 0 38px;
  align-items: center;
}

.hero-copy {
  max-width: 620px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  color: var(--orange-dark);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 10px;
  height: 10px;
  content: "";
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 5px rgba(243, 128, 32, .16);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-family: "Aptos Display", "IBM Plex Sans Condensed", "Segoe UI", sans-serif;
  font-size: clamp(48px, 7vw, 102px);
  line-height: .92;
  letter-spacing: 0;
}

.hero-copy > p {
  max-width: 58ch;
  margin-bottom: 26px;
  color: #4d4f52;
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.trust-strip li {
  padding: 7px 10px;
  color: #463b31;
  font-size: 13px;
  font-weight: 800;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, .56);
}

.product-shot {
  position: relative;
  min-width: 0;
  margin: 0;
  padding: 14px;
  border: 1px solid rgba(217, 199, 182, .86);
  border-radius: 8px;
  background: rgba(255, 255, 255, .72);
  box-shadow: var(--shadow);
}

.product-window {
  min-width: 0;
  overflow: hidden;
  border: 1px solid #1f2328;
  border-radius: 7px;
  background: #f8f9fa;
  box-shadow: 0 22px 48px rgba(30, 20, 12, .18);
}

.window-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 42px;
  padding: 9px 12px;
  color: #313438;
  background: #fff;
  border-bottom: 1px solid #dfe3e6;
}

.traffic {
  display: flex;
  gap: 6px;
}

.traffic span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #f05f57;
}

.traffic span:nth-child(2) {
  background: #f6c343;
}

.traffic span:nth-child(3) {
  background: #39a85a;
}

.window-url {
  min-width: 0;
  flex: 1;
  max-width: 340px;
  padding: 5px 10px;
  color: #70757d;
  font-size: 12px;
  font-weight: 700;
  text-align: center;
  border: 1px solid #e1e3e4;
  border-radius: 5px;
  background: #f5f6f7;
}

.dashboard-preview {
  display: grid;
  grid-template-columns: 162px minmax(0, 1fr);
  min-height: 548px;
}

.preview-sidebar {
  padding: 18px 14px;
  color: #5d4531;
  background: #fff7ee;
  border-right: 1px solid #ead6c3;
}

.preview-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
  color: #964900;
  font-size: 13px;
  font-weight: 900;
}

.mini-logo {
  width: 24px;
  height: 24px;
}

.preview-menu {
  display: grid;
  gap: 7px;
}

.preview-menu span {
  height: 30px;
  padding: 6px 8px;
  font-size: 12px;
  font-weight: 750;
  border-radius: 6px;
}

.preview-menu .active {
  color: #8a3b00;
  background: #ffdcc7;
}

.preview-main {
  min-width: 0;
  padding: 18px;
}

.preview-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 15px;
}

.preview-header h2 {
  margin: 0;
  font-size: 24px;
  line-height: 1.1;
}

.preview-header p {
  margin: 4px 0 0;
  color: #6d625a;
  font-size: 12px;
  font-weight: 700;
}

.sync-badge {
  padding: 6px 8px;
  color: #0f6b49;
  font-size: 11px;
  font-weight: 900;
  white-space: nowrap;
  border-radius: 999px;
  background: #e5f5ee;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 13px;
}

.metric {
  min-width: 0;
  padding: 12px;
  border: 1px solid #e3e5e6;
  border-radius: 7px;
  background: #fff;
}

.metric span {
  color: #6f625a;
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.metric strong {
  display: block;
  margin-top: 5px;
  font-size: 22px;
  line-height: 1;
}

.meter {
  height: 7px;
  margin-top: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: #eceff1;
}

.meter i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--green);
}

.meter.warn i {
  background: var(--orange);
}

.meter.danger i {
  background: var(--red);
}

.service-table {
  display: grid;
  gap: 8px;
}

.service-row {
  display: grid;
  grid-template-columns: minmax(92px, 1fr) minmax(112px, 1fr) 74px;
  align-items: center;
  gap: 9px;
  padding: 11px;
  font-size: 12px;
  border: 1px solid #e3e5e6;
  border-radius: 7px;
  background: #fff;
}

.service-row strong {
  font-size: 13px;
}

.service-row span {
  color: #6f625a;
  font-weight: 750;
}

.pill {
  justify-self: end;
  padding: 4px 7px;
  color: #0f6b49;
  font-size: 11px;
  font-weight: 900;
  border-radius: 999px;
  background: #e5f5ee;
}

.pill.watch {
  color: #8a3b00;
  background: #fff1e4;
}

.pill.hot {
  color: #9b1717;
  background: #ffdad6;
}

.floating-alert {
  position: absolute;
  right: -18px;
  bottom: 78px;
  max-width: 246px;
  padding: 13px 14px;
  border: 1px solid #f3b184;
  border-radius: 7px;
  background: #fff;
  box-shadow: var(--shadow-tight);
}

.floating-alert strong {
  display: block;
  margin-bottom: 2px;
  color: #9f4700;
  font-size: 14px;
}

.floating-alert span {
  color: #5f5f62;
  font-size: 12px;
  font-weight: 700;
}

.section {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0;
}

.section-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 26px;
}

.section-header h2 {
  max-width: 720px;
  margin-bottom: 0;
  font-family: "Aptos Display", "IBM Plex Sans Condensed", "Segoe UI", sans-serif;
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: .98;
}

.section-header p {
  max-width: 410px;
  margin-bottom: 0;
  color: var(--muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  min-height: 210px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, .72);
}

.feature-card svg {
  width: 28px;
  height: 28px;
  margin-bottom: 28px;
  color: var(--orange-dark);
}

.feature-card h3 {
  margin-bottom: 8px;
  font-size: 18px;
  line-height: 1.15;
}

.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.api-guide {
  padding-top: 58px;
}

.setup-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.setup-steps article {
  min-height: 250px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, .76);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .86) inset;
}

.setup-steps article > span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 24px;
  color: #fff;
  font-size: 15px;
  font-weight: 900;
  border-radius: 50%;
  background: #1b1c1d;
}

.setup-steps h3,
.permission-panel h3 {
  margin-bottom: 8px;
  font-size: 20px;
  line-height: 1.15;
}

.setup-steps p,
.permission-panel p,
.doc-note {
  margin-bottom: 0;
  color: var(--muted);
}

.setup-steps a {
  display: inline-flex;
  margin-top: 14px;
  color: var(--orange-dark);
  font-weight: 850;
  text-decoration: none;
}

.permission-panel {
  display: grid;
  grid-template-columns: minmax(220px, .6fr) minmax(0, 1.4fr);
  gap: 18px;
  margin-top: 14px;
  padding: 20px;
  color: #fffaf2;
  border-radius: 8px;
  background: #1b1c1d;
}

.permission-panel p {
  color: #d8c9bb;
}

.permission-list {
  display: grid;
  gap: 9px;
}

.permission-list div {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 12px;
  padding: 11px 12px;
  border: 1px solid rgba(255, 250, 242, .14);
  border-radius: 7px;
  background: rgba(255, 250, 242, .06);
}

.permission-list strong {
  color: #ffb36d;
  font-size: 13px;
}

.permission-list span {
  min-width: 0;
  color: #f8efe4;
  font-size: 13px;
  font-weight: 720;
}

.doc-note {
  margin-top: 13px;
  font-size: 13px;
  font-weight: 720;
}

.split-band {
  width: 100%;
  margin: 20px 0;
  padding: 72px 0;
  background: #1b1c1d;
}

.split-inner {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 42px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  color: #fffaf2;
}

.split-inner h2 {
  margin-bottom: 16px;
  font-family: "Aptos Display", "IBM Plex Sans Condensed", "Segoe UI", sans-serif;
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: 1;
}

.split-inner p {
  color: #d8c9bb;
}

.coverage-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.coverage-list div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 13px;
  border: 1px solid rgba(255, 250, 242, .14);
  border-radius: 7px;
  background: rgba(255, 250, 242, .06);
}

.coverage-list strong {
  font-size: 14px;
}

.coverage-list span {
  color: #ffb36d;
  font-size: 12px;
  font-weight: 850;
}

.privacy-band {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: 28px;
  align-items: start;
}

.privacy-band h2 {
  margin-bottom: 14px;
  font-family: "Aptos Display", "IBM Plex Sans Condensed", "Segoe UI", sans-serif;
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: .98;
}

.privacy-list {
  display: grid;
  gap: 12px;
}

.privacy-list article {
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, .74);
}

.privacy-list h3 {
  margin-bottom: 6px;
  font-size: 18px;
}

.privacy-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.cta-band {
  padding: 72px 0 82px;
}

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 22px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 30px;
  color: #fff;
  border-radius: 8px;
  background:
    linear-gradient(120deg, rgba(243, 128, 32, .94), rgba(15, 138, 95, .86)),
    #cf5f00;
  box-shadow: var(--shadow);
}

.cta-panel h2 {
  margin-bottom: 6px;
  font-family: "Aptos Display", "IBM Plex Sans Condensed", "Segoe UI", sans-serif;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1;
}

.cta-panel p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, .88);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(255, 250, 242, .74);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(1180px, calc(100% - 32px));
  min-height: 88px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 14px;
}

.footer-links {
  display: flex;
  gap: 14px;
}

.footer-links a {
  font-weight: 750;
  text-decoration: none;
}

.legal-main {
  width: min(860px, calc(100% - 32px));
  margin: 0 auto;
  padding: 66px 0 88px;
}

.legal-hero {
  margin-bottom: 34px;
}

.legal-hero h1 {
  margin-bottom: 14px;
  font-size: clamp(44px, 6vw, 78px);
}

.legal-hero p {
  color: var(--muted);
  font-size: 18px;
}

.legal-doc {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, .78);
  box-shadow: var(--shadow-tight);
}

.legal-doc section + section {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.legal-doc h2 {
  margin-bottom: 10px;
  font-size: 23px;
}

.legal-doc p,
.legal-doc li {
  color: #4f5357;
}

.legal-doc ul {
  padding-left: 22px;
  margin-bottom: 0;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    min-height: auto;
    padding-top: 48px;
  }

  .hero > * {
    min-width: 0;
  }

  .product-shot {
    max-width: 760px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split-inner,
  .privacy-band,
  .permission-panel {
    grid-template-columns: 1fr;
  }

  .section-header {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 760px) {
  body {
    overflow-x: hidden;
  }

  .nav-shell,
  .hero,
  .section,
  .split-inner,
  .cta-panel,
  .footer-inner,
  .legal-main {
    width: calc(100vw - 32px);
    max-width: calc(100vw - 32px);
  }

  .nav-shell {
    min-height: auto;
    padding: 12px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .nav-actions {
    width: 100%;
  }

  .nav-actions .button {
    width: 100%;
  }

  .hero {
    padding-top: 30px;
    padding-bottom: 28px;
    overflow: hidden;
  }

  .hero-copy,
  .hero-copy > p,
  .hero-actions,
  .trust-strip,
  h1 {
    width: calc(100vw - 32px);
    max-width: calc(100vw - 32px);
  }

  .product-shot,
  .product-window {
    width: calc(100vw - 32px);
    max-width: calc(100vw - 32px);
  }

  .window-url {
    max-width: 220px;
    overflow: hidden;
    font-size: 10px;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(42px, 13.2vw, 54px);
    overflow-wrap: normal;
  }

  .dashboard-preview {
    grid-template-columns: minmax(0, 1fr);
    min-height: auto;
  }

  .preview-sidebar {
    display: none;
  }

  .preview-header {
    flex-direction: column;
  }

  .sync-badge {
    align-self: flex-start;
  }

  .metric-grid,
  .feature-grid,
  .coverage-list,
  .setup-steps {
    grid-template-columns: 1fr;
  }

  .setup-steps article {
    min-height: auto;
  }

  .permission-list div {
    grid-template-columns: 1fr;
  }

  .metric {
    padding: 10px;
  }

  .metric strong {
    font-size: 20px;
  }

  .service-row {
    grid-template-columns: 1fr;
    padding: 9px;
  }

  .pill {
    justify-self: start;
  }

  .floating-alert {
    position: static;
    max-width: none;
    margin-top: 12px;
  }

  .cta-panel {
    grid-template-columns: 1fr;
    padding: 22px;
  }

  .cta-actions {
    justify-content: stretch;
  }

  .cta-actions .button {
    width: 100%;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 22px 0;
  }

  .legal-doc {
    padding: 20px;
  }
}