/* google-chrome-ch.hl.cn — 落地页完整信息 + 清晰分区 */
:root {
  --ink: #0b1220;
  --paper: #f4f7fb;
  --line: #d7e0ef;
  --mint-dim: #0f766e;
  --text: #1e293b;
  --muted: #64748b;
  --card: #ffffff;
  --shadow: 0 14px 40px rgba(15, 23, 42, 0.08);
  --radius: 14px;
  --maxw: 1080px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #eef2ff 0%, var(--paper) 42%, #f8fafc 100%);
  line-height: 1.62;
}

a {
  color: inherit;
}

.container {
  width: min(100% - 40px, var(--maxw));
  margin-inline: auto;
}

.inline-code {
  font-size: 0.85em;
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(15, 23, 42, 0.06);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  color: var(--ink);
}

.brand-mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-links a {
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.94rem;
  color: var(--muted);
  border: 1px solid transparent;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}

.nav-links a:hover {
  color: var(--ink);
  background: rgba(45, 212, 191, 0.12);
}

.nav-links a.is-active {
  color: var(--ink);
  background: #fff;
  border-color: var(--line);
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  font-size: 0.96rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--mint-dim), #0d9488);
  color: #fff;
  box-shadow: 0 8px 24px rgba(13, 148, 136, 0.32);
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.85;
  cursor: wait;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn-ghost {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: none;
}

.btn-ghost:hover:not(:disabled) {
  border-color: #0d9488;
  box-shadow: var(--shadow);
}

.btn-lg {
  padding: 15px 24px;
  font-size: 1rem;
}

.btn-win {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.32);
}

/* Hero split */
.hero--split {
  padding: 44px 0 28px;
}

.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-split {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .hero-visual {
    order: -1;
    max-width: 400px;
    margin-inline: auto;
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(45, 212, 191, 0.14);
  color: var(--mint-dim);
  font-size: 0.82rem;
  font-weight: 600;
  margin: 0 0 14px;
}

.eyebrow svg {
  width: 16px;
  height: 16px;
}

.hero-copy h1 {
  margin: 0 0 14px;
  font-size: clamp(1.65rem, 3.8vw, 2.35rem);
  line-height: 1.2;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.lead {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 1.06rem;
  max-width: 38em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

@media (max-width: 640px) {
  .metric-row {
    grid-template-columns: 1fr;
  }
}

.metric {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.04);
}

.metric strong {
  display: block;
  font-size: 0.95rem;
  color: var(--ink);
}

.metric span {
  font-size: 0.82rem;
  color: var(--muted);
}

/* Mock browser */
.mock-browser {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.mock-browser__bar {
  display: flex;
  gap: 6px;
  padding: 12px 14px;
  background: #f1f5f9;
  border-bottom: 1px solid var(--line);
}

.mock-browser__bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #cbd5e1;
}

.mock-browser__bar span:nth-child(1) {
  background: #fb7185;
}

.mock-browser__bar span:nth-child(2) {
  background: #fbbf24;
}

.mock-browser__bar span:nth-child(3) {
  background: #34d399;
}

.mock-browser__url {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  font-size: 0.85rem;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.mock-browser__url svg {
  flex-shrink: 0;
  opacity: 0.7;
}

.mock-browser__body {
  padding: 20px;
  min-height: 120px;
}

.mock-line {
  height: 10px;
  border-radius: 5px;
  background: linear-gradient(90deg, #e2e8f0, #f1f5f9);
  margin-bottom: 10px;
}

.mock-line--short {
  width: 65%;
}

/* Sections */
.section {
  padding: 40px 0;
}

.section--band {
  background: rgba(255, 255, 255, 0.75);
  border-block: 1px solid var(--line);
}

.section-intro {
  max-width: 640px;
  margin-bottom: 22px;
}

.section-intro h2 {
  margin: 0 0 8px;
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
  color: var(--ink);
}

.section-intro p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.section-title {
  margin: 0 0 14px;
  font-size: 1.2rem;
  color: var(--ink);
}

.section-title--sm {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.05rem;
}

/* Feature grid */
.grid-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

@media (max-width: 640px) {
  .grid-features {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: 0 8px 26px rgba(15, 23, 42, 0.05);
}

.feature-card__ico {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(45, 212, 191, 0.12);
  color: var(--mint-dim);
  margin-bottom: 12px;
}

.feature-card__ico svg {
  width: 24px;
  height: 24px;
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.feature-card p {
  margin: 0;
  font-size: 0.93rem;
  color: var(--muted);
}

/* Platform strip */
.platform-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

@media (max-width: 900px) {
  .platform-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .platform-strip {
    grid-template-columns: 1fr;
  }
}

.platform-tile {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 16px;
  text-align: center;
}

.platform-tile .plat-ico {
  margin: 0 auto 10px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: #f1f5f9;
}

.platform-tile h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.platform-tile__desc {
  margin: 0 0 12px;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
}

.platform-tile .btn {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.9rem;
}

/* Quotes */
.quote-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 800px) {
  .quote-grid {
    grid-template-columns: 1fr;
  }
}

.quote {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.05);
}

.stars {
  margin: 0 0 10px;
  color: #fbbf24;
  letter-spacing: 2px;
  font-size: 0.88rem;
}

.quote__text {
  margin: 0 0 12px;
  font-size: 0.94rem;
  color: var(--text);
}

.quote footer {
  font-size: 0.85rem;
  color: var(--muted);
}

/* FAQ */
.faq-list {
  max-width: 800px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  margin-bottom: 10px;
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  padding: 15px 18px;
  font-weight: 600;
  font-size: 0.95rem;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--muted);
  transition: transform 0.2s;
}

.faq-item[open] summary svg {
  transform: rotate(180deg);
}

.faq-item .faq-body {
  padding: 0 18px 16px;
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.55;
}

/* Footer */
.site-footer {
  margin-top: 32px;
  padding: 28px 0 36px;
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-note {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.65;
  max-width: 720px;
}

.footer-note p {
  margin: 0 0 8px;
}

/* Download page */
.page-download {
  position: relative;
  padding: 28px 0 48px;
  overflow: hidden;
}

.page-download__glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 55% at 50% -15%, rgba(37, 99, 235, 0.14), transparent 52%),
    radial-gradient(ellipse 50% 40% at 100% 10%, rgba(45, 212, 191, 0.1), transparent 50%),
    radial-gradient(ellipse 40% 35% at 0% 30%, rgba(251, 191, 36, 0.06), transparent 45%);
  pointer-events: none;
  z-index: 0;
}

.page-download__inner {
  position: relative;
  z-index: 1;
}

.download-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 36px;
}

.download-header__pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #1d4ed8;
  background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(37, 99, 235, 0.15);
  margin-bottom: 16px;
}

.download-header__title {
  margin: 0 0 12px;
  font-size: clamp(1.65rem, 3.5vw, 2.15rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ink);
  line-height: 1.2;
}

.download-header__lead {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.65;
}

.download-layout {
  display: grid;
  grid-template-columns: 1.12fr 1fr;
  gap: 28px;
  align-items: start;
}

@media (max-width: 900px) {
  .download-layout {
    grid-template-columns: 1fr;
  }
}

.win-panel {
  position: relative;
  overflow: hidden;
  background: linear-gradient(155deg, #1d4ed8 0%, #1e3a8a 42%, #0f172a 100%);
  color: #e0e7ff;
  border-radius: 20px;
  padding: 28px 28px 26px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow:
    0 24px 50px rgba(15, 23, 42, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.win-panel__shine {
  position: absolute;
  top: -40%;
  right: -20%;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(96, 165, 250, 0.35) 0%, transparent 68%);
  pointer-events: none;
}

.win-panel__head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}

.win-panel__icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.win-panel__icon svg {
  width: 40px;
  height: 40px;
}

.win-panel__titles {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.win-panel__badge {
  display: inline-block;
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #0f172a;
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.win-panel__titles h2 {
  margin: 0;
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.win-panel .sub {
  position: relative;
  z-index: 1;
  margin: 0 0 18px;
  opacity: 0.92;
  font-size: 0.92rem;
  line-height: 1.6;
}

.win-list {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}

.win-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 10px;
  padding: 10px 12px;
  font-size: 0.9rem;
  line-height: 1.5;
  background: rgba(15, 23, 42, 0.25);
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.win-list svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: #5eead4;
  margin-top: 2px;
}

.btn-win--hero {
  position: relative;
  z-index: 1;
  overflow: hidden;
  font-size: 1.02rem;
  padding: 16px 24px;
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.btn-win--hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.12) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}

.btn-win--hero:hover:not(:disabled)::after {
  transform: translateX(100%);
}

.btn-win--hero > * {
  position: relative;
  z-index: 1;
}

.dl-block {
  width: 100%;
  justify-content: center;
}

.side-stack {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.side-stack__head {
  margin-bottom: 14px;
}

.side-stack__title {
  margin: 0 0 4px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
}

.side-stack__sub {
  margin: 0;
  font-size: 0.84rem;
  color: var(--muted);
}

.other-platforms {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 22px;
}

.plat-row {
  padding: 0;
  background: transparent;
  border: none;
}

.plat-row__main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s;
}

.plat-row__main:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
}

.plat-row--mac .plat-row__main {
  border-left: 4px solid #64748b;
}

.plat-row--ios .plat-row__main {
  border-left: 4px solid #0d9488;
}

.plat-row--android .plat-row__main {
  border-left: 4px solid #16a34a;
}

.plat-row .label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  min-width: 0;
}

.label__ico {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.label__ico svg {
  width: 22px;
  height: 22px;
}

.label__ico--mac {
  background: linear-gradient(145deg, #f1f5f9, #e2e8f0);
  color: #475569;
}

.label__ico--ios {
  background: linear-gradient(145deg, #ccfbf1, #99f6e4);
  color: #0f766e;
}

.label__ico--android {
  background: linear-gradient(145deg, #dcfce7, #bbf7d0);
  color: #15803d;
}

.label__text {
  font-size: 0.95rem;
  color: var(--ink);
}

.btn-platform {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
  font-size: 0.88rem;
  padding: 10px 16px;
}

.btn-platform:hover:not(:disabled) {
  background: #f8fafc;
  border-color: #cbd5e1;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
}

.plat-hint {
  margin: 8px 0 0;
  padding: 0 4px 0 58px;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
}

@media (max-width: 480px) {
  .plat-hint {
    padding-left: 4px;
  }
}

.post-card {
  background: linear-gradient(165deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 20px 20px;
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.06);
  border-left: 4px solid #0d9488;
}

.post-card__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.post-card__icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(45, 212, 191, 0.15);
  color: var(--mint-dim);
  flex-shrink: 0;
}

.post-card__icon svg {
  width: 20px;
  height: 20px;
}

.post-card__title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink);
}

.post-card__list {
  margin: 0;
  padding-left: 0;
  list-style: none;
  counter-reset: tip;
  color: var(--muted);
  font-size: 0.9rem;
}

.post-card__list li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 1.85em;
  line-height: 1.5;
}

.post-card__list li:last-child {
  margin-bottom: 0;
}

.post-card__list li::before {
  counter-increment: tip;
  content: counter(tip);
  position: absolute;
  left: 0;
  top: 0.1em;
  width: 1.35em;
  height: 1.35em;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.35em;
  text-align: center;
  color: #fff;
  background: linear-gradient(135deg, #0d9488, #0f766e);
  border-radius: 6px;
}

/* Article */
.article-shell {
  padding: 32px 0 44px;
}

.article {
  max-width: 720px;
  margin: 0 auto;
}

.article h1 {
  font-size: clamp(1.55rem, 3.2vw, 2rem);
  color: var(--ink);
  line-height: 1.25;
  margin: 0 0 10px;
}

.article-meta {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 24px;
}

.prose h2 {
  margin: 28px 0 12px;
  font-size: 1.22rem;
  color: var(--ink);
}

.prose p {
  margin: 0 0 14px;
  color: var(--text);
}

.prose ul {
  margin: 0 0 16px;
  padding-left: 1.2em;
}

.prose li {
  margin-bottom: 8px;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.91rem;
  margin: 14px 0 22px;
}

.compare-table th,
.compare-table td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
}

.compare-table th {
  background: #f1f5f9;
}

.cta-band {
  margin: 36px 0 0;
  padding: 26px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.12), rgba(251, 191, 36, 0.1));
  border: 1px solid var(--line);
  text-align: center;
}

.cta-band h2 {
  margin: 0 0 8px;
  font-size: 1.25rem;
}

.cta-band__note {
  margin: 0 0 16px;
  font-size: 0.92rem;
  color: var(--muted);
}

.cta-band a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.15s;
}

.cta-band a:hover {
  transform: translateY(-2px);
}

.cta-band a svg {
  width: 22px;
  height: 22px;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}