:root {
  --bg: #f8fafc;
  --bg-soft: #f1f5f9;
  --surface: #ffffff;
  --ink: #0f172a;
  --ink-soft: #1e293b;
  --muted: #64748b;
  --line: #e2e8f0;
  --accent: #2563eb;
  --accent-deep: #1d4ed8;
  --accent-soft: #eff6ff;
  --accent-glow: rgba(37, 99, 235, 0.14);
  --good: #059669;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.1);
  --radius: 12px;
  --radius-lg: 16px;
  --font-display: "Segoe UI Variable Display", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --header-h: 72px;
  --tabs-h: 56px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--surface);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.container {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}
.container.narrow {
  width: min(720px, calc(100% - 2.5rem));
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.65rem 1.25rem;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 20px var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent-deep);
}
.btn-secondary {
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
}
.btn-secondary:hover {
  border-color: #cbd5e1;
  background: var(--bg);
}
.btn-white {
  background: #fff;
  color: var(--accent-deep);
}
.btn-white:hover {
  background: #f8fafc;
}
.btn-on-primary {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
}
.btn-on-primary:hover {
  background: rgba(255, 255, 255, 0.12);
}
.btn-on-dark {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}
.btn-ghost-wide {
  width: 100%;
  background: var(--bg-soft);
  color: var(--ink-soft);
  border: 1px solid var(--line);
}
.btn-ghost-wide:hover {
  background: #fff;
  border-color: #cbd5e1;
}
.btn-block {
  width: 100%;
}
.btn-sm {
  min-height: 38px;
  padding: 0.45rem 1rem;
  font-size: 0.88rem;
}
.text-link {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
}
.text-link:hover {
  color: var(--accent-deep);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  flex-shrink: 0;
}
.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  object-fit: cover;
}
.nav {
  display: flex;
  align-items: center;
  gap: 0.15rem 1.15rem;
  font-size: 0.95rem;
  font-weight: 500;
}
.nav > a:not(.btn) {
  color: var(--muted);
  padding: 0.4rem 0;
  position: relative;
}
.nav > a:not(.btn):hover,
.nav > a:not(.btn).is-active {
  color: var(--ink);
}
.nav > a:not(.btn).is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.15rem;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.nav-cta {
  margin-left: 0.35rem;
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}
.nav-toggle span:not(.sr-only) {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--ink);
}

/* Hero */
.hero {
  padding: 3.5rem 0 3rem;
  background:
    radial-gradient(900px 420px at 90% 0%, var(--accent-glow), transparent 55%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border-bottom: 1px solid var(--line);
}
.hero-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
  font-size: 0.88rem;
  color: var(--muted);
}
.breadcrumb a {
  color: var(--accent);
}
.hero-title {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.15;
  color: var(--accent-deep);
}
.hero-highlight {
  margin: 0 0 0.85rem;
  font-weight: 600;
  color: var(--ink-soft);
  font-size: 1.02rem;
}
.hero-sub {
  margin: 0 0 1.35rem;
  max-width: 36rem;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.75;
}
.hero-features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem 1rem;
  margin-bottom: 1.5rem;
}
.hero-feature {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-soft);
}
.hero-feature-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--accent-soft);
  border: 1px solid #dbeafe;
  position: relative;
  flex-shrink: 0;
}
.hero-feature-icon::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 3px;
  background: var(--accent);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-visual {
  display: flex;
  justify-content: flex-end;
}
.hero-illust {
  position: relative;
  width: min(100%, 420px);
}
.hero-illust-window {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.hero-illust-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.85rem 1rem;
  background: linear-gradient(180deg, #f8fafc, #f1f5f9);
  border-bottom: 1px solid var(--line);
}
.hero-illust-bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #cbd5e1;
}
.hero-illust-bar span:first-child {
  background: #f87171;
}
.hero-illust-bar span:nth-child(2) {
  background: #fbbf24;
}
.hero-illust-bar span:nth-child(3) {
  background: #34d399;
}
.hero-illust-bar em {
  margin-left: 0.4rem;
  font-style: normal;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
}
.hero-illust-body {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
  padding: 1.25rem;
  min-height: 220px;
}
.hero-chart {
  display: flex;
  align-items: flex-end;
  gap: 0.45rem;
  padding: 1rem;
  border-radius: 12px;
  background: linear-gradient(180deg, #eff6ff, #f8fafc);
  border: 1px solid #dbeafe;
}
.hero-chart i {
  flex: 1;
  display: block;
  border-radius: 6px 6px 2px 2px;
  background: linear-gradient(180deg, #60a5fa, #2563eb);
  opacity: 0.9;
}
.hero-illust-side {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.35rem;
  padding: 1rem;
  border-radius: 12px;
  background: #0f172a;
  color: #fff;
}
.hero-badge {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
}
.hero-illust-side strong {
  font-size: 0.95rem;
}
.hero-illust-side small {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.78rem;
}
.hero-float {
  position: absolute;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink-soft);
}
.hero-float-a {
  top: 12%;
  left: -8%;
  animation: floatY 4.5s ease-in-out infinite;
}
.hero-float-b {
  bottom: 10%;
  right: -6%;
  animation: floatY 5.2s ease-in-out infinite reverse;
}
@keyframes floatY {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

/* Section tabs */
.section-tabs {
  position: sticky;
  top: var(--header-h);
  z-index: 40;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.section-tabs-inner {
  display: flex;
  gap: 0.25rem 1.5rem;
  overflow-x: auto;
  min-height: var(--tabs-h);
  align-items: center;
}
.section-tabs a {
  flex-shrink: 0;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.85rem 0;
  border-bottom: 2px solid transparent;
}
.section-tabs a:hover,
.section-tabs a.is-active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Sections */
.section {
  padding: 4.5rem 0;
}
.section-muted {
  background: var(--bg);
  border-block: 1px solid var(--line);
}
.section-head {
  max-width: 40rem;
  margin-bottom: 2.25rem;
}
.section-title {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.5vw, 1.85rem);
  letter-spacing: -0.03em;
  color: var(--ink);
}
.section-lead {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}
.section-more {
  margin-top: 1.5rem;
}

/* Feature cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}
.feature-card {
  padding: 1.35rem 1.2rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.02);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: #bfdbfe;
}
.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  margin-bottom: 0.9rem;
  background: var(--accent-soft);
  position: relative;
}
.feature-icon::after {
  content: "";
  position: absolute;
  inset: 11px;
  border-radius: 4px;
  background: var(--accent);
}
.feature-icon-2 {
  background: #ecfdf5;
}
.feature-icon-2::after {
  background: #10b981;
}
.feature-icon-3 {
  background: #fff7ed;
}
.feature-icon-3::after {
  background: #f59e0b;
}
.feature-icon-4 {
  background: #f5f3ff;
}
.feature-icon-4::after {
  background: #8b5cf6;
}
.feature-card h3 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
}
.feature-card ul {
  list-style: none;
  color: var(--muted);
  font-size: 0.9rem;
}
.feature-card li {
  position: relative;
  padding-left: 0.85rem;
  margin: 0.3rem 0;
}
.feature-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

/* Products */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}
.product-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.35rem 1.2rem 1.2rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 100%;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.product-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: #bfdbfe;
}
.product-icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
}
.product-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
}
.product-card p {
  margin: 0;
  flex: 1;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Steps */
.steps-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}
.step-card {
  padding: 1.35rem 1.2rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.step-num {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--accent);
}
.step-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}
.step-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

/* Compare */
.compare-layout {
  display: grid;
  grid-template-columns: 1.4fr 0.75fr;
  gap: 1.25rem;
  align-items: start;
}
.compare-table-wrap {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
}
.compare-table th,
.compare-table td {
  padding: 0.95rem 1.15rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
.compare-table th {
  background: var(--bg-soft);
  font-weight: 700;
  color: var(--ink-soft);
}
.compare-table td.is-good {
  color: var(--good);
  font-weight: 600;
}
.compare-table tr:last-child td {
  border-bottom: 0;
}
.compare-note {
  margin: 0;
  padding: 0.9rem 1.15rem;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 0.9rem;
  font-weight: 600;
}
.start-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.25rem;
  box-shadow: var(--shadow);
}
.start-card h3 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
}
.start-card ol {
  list-style: none;
  margin: 0 0 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.start-card li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}
.start-card li > span {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
}
.start-card strong {
  display: block;
  font-size: 0.92rem;
  color: var(--ink);
}
.start-card em {
  font-style: normal;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}
.value-row {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}
.value-row > div {
  padding: 1.1rem 1rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.value-row strong {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.95rem;
}
.value-row span {
  color: var(--muted);
  font-size: 0.86rem;
}

/* Quotes */
.quote-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.quote-card {
  margin: 0;
  padding: 1.35rem 1.25rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.quote-stars {
  margin: 0 0 0.5rem;
  color: #f59e0b;
  letter-spacing: 0.08em;
  font-size: 0.9rem;
}
.quote-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}
.quote-card p {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.92rem;
}
.quote-card footer {
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 600;
}

/* CTA */
.cta-band {
  padding: 0 0 4.5rem;
}
.cta-band-inner,
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 2.25rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff;
  box-shadow: 0 16px 40px var(--accent-glow);
}
.cta-inner {
  flex-direction: column;
  text-align: center;
  max-width: 100%;
}
.cta-band-inner h2,
.cta-inner h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.4vw, 1.65rem);
}
.cta-band-inner p,
.cta-inner p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
}
.cta-actions,
.cta-inner .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  flex-shrink: 0;
}
.cta-inner .btn-primary {
  background: #fff;
  color: var(--accent-deep);
  box-shadow: none;
}

/* Page hero (inner pages) */
.page-hero {
  padding: 3.25rem 0 2.75rem;
  background:
    radial-gradient(800px 360px at 85% 0%, var(--accent-glow), transparent 55%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border-bottom: 1px solid var(--line);
}
.page-hero-inner {
  max-width: 46rem;
}
.page-kicker {
  margin: 0 0 0.65rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
}
.page-kicker a:hover {
  text-decoration: underline;
}
.page-hero-title,
.page-title {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.2vw, 2.35rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--ink);
}
.page-hero-lead {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

/* About (legacy selectors kept for category pages if any) */
.about-who-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 2.75rem;
  align-items: center;
}
.about-who-body h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.6vw, 1.9rem);
  letter-spacing: -0.03em;
  color: var(--ink);
}
.about-who-body p {
  margin: 0 0 1rem;
  color: var(--muted);
  line-height: 1.85;
  font-size: 1.02rem;
}
.about-adv-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}
.about-adv-card {
  padding: 1.45rem 1.25rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.about-adv-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 0.85rem;
}
.about-adv-card h3 {
  margin: 0 0 0.7rem;
  font-size: 1.08rem;
}
.about-adv-card ul {
  list-style: none;
  color: var(--muted);
}
.about-adv-card li {
  position: relative;
  padding-left: 0.85rem;
  margin: 0.35rem 0;
  font-size: 0.9rem;
  line-height: 1.55;
}
.about-adv-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}
.about-flow-row {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
  position: relative;
}
.about-flow-row::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 6%;
  right: 6%;
  border-top: 2px dashed #93c5fd;
  z-index: 0;
}
.about-flow-row li {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0;
  background: transparent;
  border: 0;
}
.about-flow-node {
  position: relative;
  display: inline-grid;
  place-items: center;
  margin-bottom: 0.85rem;
}
.about-flow-node img {
  width: 56px;
  height: 56px;
}
.about-flow-idx {
  position: absolute;
  right: -6px;
  top: -4px;
  min-width: 22px;
  height: 22px;
  border-radius: 999px;
  background: #fff;
  border: 2px solid var(--accent);
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 800;
  display: grid;
  place-items: center;
  letter-spacing: 0;
  margin: 0;
}
.about-flow-row strong {
  display: block;
  margin: 0 0 0.4rem;
  font-size: 1.02rem;
}
.about-flow-row p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

/* FAQ */
.faq-page-hero {
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(620px 320px at 82% 10%, rgba(96, 165, 250, .22), transparent 68%),
    linear-gradient(180deg, #fff 0%, #f3f7ff 100%);
}
.faq-page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .95fr);
  gap: 2.5rem;
  align-items: center;
  min-height: 360px;
  padding: 2.5rem 0 2rem;
}
.faq-page-hero-copy {
  max-width: 38rem;
}
.faq-page-hero-copy h1 {
  margin: 0 0 .75rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.25rem);
  letter-spacing: -.04em;
  line-height: 1.12;
}
.faq-page-hero-copy > p:not(.page-kicker) {
  max-width: 29rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1.85;
}
.faq-search {
  display: flex;
  align-items: center;
  width: min(100%, 520px);
  min-height: 48px;
  margin-top: 1.35rem;
  padding-left: 1rem;
  border: 1px solid #dbe3f0;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(37, 99, 235, .08);
}
.faq-search-icon {
  position: relative;
  width: 17px;
  height: 17px;
  flex: 0 0 17px;
  border: 2px solid #94a3b8;
  border-radius: 50%;
}
.faq-search-icon::after {
  position: absolute;
  right: -5px;
  bottom: -3px;
  width: 7px;
  height: 2px;
  border-radius: 2px;
  background: #94a3b8;
  content: "";
  transform: rotate(45deg);
}
.faq-search input {
  min-width: 0;
  flex: 1;
  height: 46px;
  padding: 0 .8rem;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: .88rem;
}
.faq-search input::placeholder { color: #94a3b8; }
.faq-search .btn {
  min-width: 74px;
  min-height: 46px;
  border-radius: 0 9px 9px 0;
}
.faq-page-hero-art {
  position: relative;
  width: 100%;
  max-width: 600px;
  aspect-ratio: 1.35;
  justify-self: end;
  overflow: hidden;
  border-radius: 20px;
  mask-image: linear-gradient(90deg, transparent 0, #000 13%, #000 100%);
}
.faq-page-hero-art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.faq-art-label,
.faq-art-question {
  position: absolute;
  display: grid;
  place-items: center;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 800;
  box-shadow: 0 14px 30px rgba(37, 99, 235, .24);
}
.faq-art-label {
  top: 17%;
  left: 27%;
  width: 130px;
  height: 72px;
  border-radius: 16px;
  background: linear-gradient(135deg, #2563eb, #60a5fa);
  font-size: 2.2rem;
  letter-spacing: .02em;
  transform: rotate(-4deg);
}
.faq-art-question {
  right: 13%;
  bottom: 15%;
  width: 66px;
  height: 66px;
  border: 7px solid rgba(255, 255, 255, .7);
  border-radius: 50%;
  background: #2563eb;
  font-size: 2rem;
}
.faq-topic-section {
  padding: 2rem 0 2.75rem;
  background: #fff;
}
.faq-topic-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: .85rem;
}
.faq-topic-card {
  display: flex;
  min-height: 142px;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  gap: .4rem;
  padding: 1rem .65rem;
  border: 1px solid #e5edf8;
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  text-align: center;
  text-decoration: none;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.faq-topic-card:hover,
.faq-topic-card.is-active {
  border-color: #bfdbfe;
  box-shadow: 0 12px 28px rgba(37, 99, 235, .1);
  transform: translateY(-2px);
}
.faq-topic-icon {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border-radius: 50%;
  background: #f1f6ff;
}
.faq-topic-icon img { width: 40px; height: 40px; }
.faq-topic-card strong { font-size: .94rem; }
.faq-topic-card > span:last-child { color: #94a3b8; font-size: .76rem; }
.faq-content-section {
  padding: 2.5rem 0 4.25rem;
  background: #f6f9fd;
}
.faq-content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(290px, .8fr);
  gap: 1.25rem;
  align-items: start;
}
.faq-main-panel,
.faq-help-card,
.faq-hot-card {
  border: 1px solid #e5edf8;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(15, 23, 42, .04);
}
.faq-main-panel { overflow: hidden; }
.faq-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.35rem;
  border-bottom: 1px solid #edf2f8;
}
.faq-panel-head h2,
.faq-help-card h2,
.faq-hot-card h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.28rem;
}
.faq-panel-head p {
  margin: .25rem 0 0;
  color: var(--muted);
  font-size: .82rem;
}
.faq-reset {
  padding: .35rem .6rem;
  border: 0;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font: inherit;
  font-size: .82rem;
  font-weight: 700;
}
.faq-accordion { display: flex; flex-direction: column; }
.faq-item {
  overflow: hidden;
  border-bottom: 1px solid #edf2f8;
  background: #fff;
}
.faq-item:last-child { border-bottom: 0; }
.faq-item[open] { background: #f8fbff; }
.faq-item[hidden] { display: none; }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 58px;
  padding: .9rem 1.35rem;
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-q {
  flex: 1;
  margin: 0;
  color: var(--ink);
  font-size: .95rem;
  font-weight: 700;
  line-height: 1.55;
}
.faq-chevron {
  position: relative;
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  color: #94a3b8;
}
.faq-chevron::before,
.faq-chevron::after {
  position: absolute;
  top: 9px;
  width: 8px;
  height: 1.5px;
  border-radius: 2px;
  background: currentColor;
  content: "";
  transition: transform .2s ease;
}
.faq-chevron::before { left: 2px; transform: rotate(45deg); }
.faq-chevron::after { right: 2px; transform: rotate(-45deg); }
.faq-item[open] .faq-chevron::before { transform: rotate(-45deg); }
.faq-item[open] .faq-chevron::after { transform: rotate(45deg); }
.faq-a { padding: 0 1.35rem 1.1rem; }
.faq-a p {
  margin: 0;
  padding: .95rem 1rem 0;
  border-top: 1px solid #e5edf8;
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.8;
}
.faq-empty {
  padding: 3rem 1.5rem;
  color: var(--ink-soft);
  text-align: center;
}
.faq-empty strong { display: block; margin-bottom: .35rem; font-size: 1rem; }
.faq-empty p { margin: 0 0 1rem; color: var(--muted); font-size: .88rem; }
.faq-sidebar { display: grid; gap: 1.25rem; }
.faq-help-card {
  position: relative;
  display: flex;
  min-height: 285px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  overflow: hidden;
  padding: 1.45rem 1.35rem;
  background: linear-gradient(145deg, #fff 0%, #f0f5ff 100%);
}
.faq-help-card > div { position: relative; z-index: 1; }
.faq-side-kicker {
  margin: 0 0 .55rem;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 800;
}
.faq-help-card h2 { font-size: 1.25rem; line-height: 1.45; }
.faq-help-card > div > p:not(.faq-side-kicker) {
  max-width: 16rem;
  margin: .8rem 0 1.1rem;
  color: var(--muted);
  font-size: .85rem;
  line-height: 1.7;
}
.faq-help-actions { display: flex; flex-wrap: wrap; gap: .55rem; }
.faq-help-actions .btn { min-height: 40px; padding: .5rem .85rem; font-size: .83rem; }
.faq-help-card > img {
  position: absolute;
  right: .8rem;
  bottom: .5rem;
  width: 105px;
  height: 105px;
  opacity: .9;
}
.faq-hot-card { padding: 1.35rem; }
.faq-hot-card h2 { margin-bottom: .75rem; }
.faq-hot-card ol { display: grid; gap: .7rem; margin: 0; padding: 0; list-style: none; }
.faq-hot-card li { display: flex; align-items: flex-start; gap: .6rem; }
.faq-hot-card li > span {
  display: grid;
  width: 19px;
  height: 19px;
  flex: 0 0 19px;
  place-items: center;
  border-radius: 50%;
  background: #eaf2ff;
  color: var(--accent);
  font-size: .7rem;
  font-weight: 800;
}
.js-faq-hot {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  font: inherit;
  font-size: .82rem;
  line-height: 1.45;
  text-align: left;
}
.js-faq-hot:hover { color: var(--accent); }
.faq-hot-more {
  display: inline-flex;
  gap: .3rem;
  margin-top: 1rem;
  color: var(--accent);
  font-size: .82rem;
  font-weight: 700;
  text-decoration: none;
}
.faq-bottom-cta { padding: 0 0 4.25rem; background: #f6f9fd; }
.faq-bottom-cta-inner {
  position: relative;
  display: flex;
  min-height: 190px;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  overflow: hidden;
  padding: 1.8rem 2rem;
  border: 1px solid #dbeafe;
  border-radius: 16px;
  background: linear-gradient(100deg, #eff6ff 0%, #f8fbff 100%);
}
.faq-bottom-cta-inner > div { position: relative; z-index: 1; }
.faq-bottom-cta-inner h2 { margin: 0 0 .45rem; font-family: var(--font-display); font-size: 1.55rem; }
.faq-bottom-cta-inner p { margin: 0 0 1rem; color: var(--muted); font-size: .9rem; }
.faq-bottom-cta-inner .btn-on-primary { color: var(--accent-deep); border-color: #93c5fd; }
.faq-bottom-cta-inner > img {
  position: absolute;
  right: -1rem;
  bottom: -4rem;
  width: 370px;
  height: 220px;
  object-fit: cover;
  object-position: center;
  opacity: .72;
  mask-image: linear-gradient(90deg, transparent 0, #000 35%);
}
@media (max-width: 1024px) {
  .faq-page-hero-grid { grid-template-columns: 1fr 1fr; gap: 1.25rem; }
  .faq-topic-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .faq-content-layout { grid-template-columns: 1fr; }
  .faq-sidebar { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .faq-page-hero-grid { grid-template-columns: 1fr; min-height: 0; padding: 2.25rem 0 0; }
  .faq-page-hero-copy { max-width: none; }
  .faq-page-hero-copy h1 { font-size: 2.25rem; }
  .faq-page-hero-art {
    width: 100%;
    max-width: none;
    margin-left: 0;
    border-radius: 14px 14px 0 0;
    mask-image: none;
  }
  .faq-topic-section { padding: 1.25rem 0 2rem; }
  .faq-topic-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .65rem; }
  .faq-topic-card { min-height: 128px; padding: .8rem .45rem; }
  .faq-content-section { padding: 1.25rem 0 2.75rem; }
  .faq-panel-head { padding: 1rem; }
  .faq-item summary { min-height: 56px; padding: .85rem 1rem; }
  .faq-a { padding: 0 1rem 1rem; }
  .faq-a p { padding-left: .75rem; }
  .faq-sidebar { grid-template-columns: 1fr; }
  .faq-bottom-cta { padding-bottom: 2.75rem; }
  .faq-bottom-cta-inner { min-height: 250px; align-items: flex-start; padding: 1.35rem; }
  .faq-bottom-cta-inner > img { right: -1rem; bottom: -2.5rem; width: 220px; height: 130px; opacity: .4; }
}
@media (max-width: 480px) {
  .faq-search { align-items: stretch; flex-wrap: wrap; padding: .35rem; }
  .faq-search-icon { margin: .85rem 0 0 .5rem; }
  .faq-search input { width: calc(100% - 45px); height: 44px; }
  .faq-search .btn { width: 100%; min-height: 42px; border-radius: 7px; }
  .faq-art-label { left: 20%; width: 106px; height: 60px; font-size: 1.8rem; }
  .faq-art-question { right: 12%; width: 54px; height: 54px; font-size: 1.7rem; }
  .faq-bottom-cta-inner .cta-actions { flex-direction: column; align-items: stretch; }
  .faq-bottom-cta-inner .btn { width: 100%; }
}

/* Blog ? ClaudeAPI-style resource hub */
.blog-hero {
  position: relative;
  padding: 3.25rem 0 2.5rem;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.blog-hero-glow {
  position: absolute;
  inset: -20% -10% auto auto;
  width: 55%;
  height: 120%;
  background:
    radial-gradient(circle at 70% 30%, rgba(99, 102, 241, 0.16), transparent 55%),
    radial-gradient(circle at 30% 70%, rgba(37, 99, 235, 0.12), transparent 50%);
  pointer-events: none;
}
.blog-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
}
.blog-hero-copy h1 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.4vw, 2.55rem);
  letter-spacing: -0.035em;
  line-height: 1.18;
  color: var(--ink);
}
.blog-hero-copy > p {
  margin: 0 0 1.35rem;
  max-width: 36rem;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.7;
}
.blog-search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  max-width: 520px;
  padding: 0.35rem 0.35rem 0.35rem 0.95rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
}
.blog-search-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  border: 2px solid #94a3b8;
  border-radius: 50%;
  position: relative;
}
.blog-search-icon::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 2px;
  background: #94a3b8;
  right: -5px;
  bottom: -2px;
  transform: rotate(45deg);
  border-radius: 2px;
}
.blog-search input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  font: inherit;
  background: transparent;
  padding: 0.55rem 0.25rem;
}
.blog-search .btn {
  min-height: 40px;
  padding-inline: 1.1rem;
  flex-shrink: 0;
}
.blog-hotwords {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}
.blog-hotwords a {
  color: var(--accent);
  margin-right: 0.65rem;
  font-weight: 600;
}
.blog-hotwords a:hover {
  text-decoration: underline;
}

.blog-hero-art {
  position: relative;
  z-index: 1;
  border-radius: 18px;
  overflow: hidden;
  background:
    radial-gradient(circle at 70% 30%, rgba(37, 99, 235, 0.1), transparent 55%),
    #f8fafc;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  animation: floatY 5.5s ease-in-out infinite;
}
.blog-hero-art img {
  display: block;
  width: 100%;
  height: auto;
}

.blog-quick {
  padding-top: 2rem;
  padding-bottom: 1rem;
}
.blog-quick-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.85rem;
}
.blog-quick-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 0.9rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.02);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.blog-quick-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: #bfdbfe;
}
.blog-quick-icon-img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  flex-shrink: 0;
  object-fit: cover;
}
.blog-quick-icon {
  display: none;
}
.blog-quick-card strong {
  display: block;
  font-size: 0.92rem;
  color: var(--ink);
  line-height: 1.3;
}
.blog-quick-card em {
  display: block;
  font-style: normal;
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 0.15rem;
}

.tone-blue {
  background: #eff6ff;
  color: #2563eb;
}
.tone-violet {
  background: #f5f3ff;
  color: #7c3aed;
}
.tone-orange {
  background: #fff7ed;
  color: #ea580c;
}
.tone-green {
  background: #ecfdf5;
  color: #059669;
}
.tone-cyan {
  background: #ecfeff;
  color: #0891b2;
}
.tone-pink {
  background: #fdf2f8;
  color: #db2777;
}
.tone-slate {
  background: #f1f5f9;
  color: #475569;
}

.blog-main {
  padding-top: 2.25rem;
  padding-bottom: 3.5rem;
  overflow: visible;
}
.blog-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(260px, 0.78fr);
  gap: 1.35rem;
  align-items: stretch;
  overflow: visible;
  margin-top: 0.25rem;
}
.blog-main-col {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  min-width: 0;
}
.blog-block-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.blog-block-head .section-title {
  margin: 0 0 0.3rem;
  font-size: 1.35rem;
}
.blog-block-head .section-lead {
  margin: 0;
  font-size: 0.92rem;
}
.blog-block-all {
  flex-shrink: 0;
  margin-top: 0.2rem;
  color: #64748b;
  font-size: 0.88rem;
  font-weight: 500;
  white-space: nowrap;
  text-decoration: none;
}
.blog-block-all:hover {
  color: var(--accent);
}
.blog-featured-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}
.blog-featured-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.blog-featured-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.blog-featured-cover {
  display: block;
  height: 168px;
  overflow: hidden;
  background: #0f172a;
}
.blog-featured-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.blog-featured-card:hover .blog-featured-cover img {
  transform: scale(1.04);
}
.cover-services,
.cover-ai,
.cover-errors {
  background: #0f172a;
}
.blog-featured-body {
  padding: 1rem 1.1rem 1.15rem;
}
.blog-featured-body h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  line-height: 1.35;
}
.blog-featured-body p {
  margin: 0 0 0.7rem;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-featured-body .text-link {
  font-size: 0.9rem;
  font-weight: 600;
}

.blog-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}
.blog-latest-panel {
  margin-top: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.05);
  overflow: hidden;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.blog-latest-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 1.35rem 1rem;
  border-bottom: 1px solid #eef2f7;
}
.blog-latest-head h2 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.22rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.blog-latest-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}
.blog-latest-all {
  flex-shrink: 0;
  margin-top: 0.1rem;
  color: #64748b;
  font-size: 0.86rem;
  font-weight: 500;
  white-space: nowrap;
  text-decoration: none;
}
.blog-latest-all:hover {
  color: var(--accent);
}
.blog-post-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.blog-post-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1rem;
  align-items: center;
  padding: 1.05rem 1.25rem;
  background: transparent;
  border: 0;
  border-bottom: 1px solid #eef2f7;
  border-radius: 0;
  transition: background 0.2s ease;
}
.blog-post-list > .blog-post-row:last-child {
  border-bottom: 0;
}
.blog-latest-panel .blog-post-list {
  border-bottom: 0;
}
.blog-post-row:hover {
  background: #f8fafc;
  box-shadow: none;
}
.blog-post-row.is-hidden-search,
.blog-post-row[hidden],
.blog-post-row.is-collapsed {
  display: none !important;
}
.blog-thumb {
  display: block;
  width: 140px;
  height: 84px;
  border-radius: 10px;
  overflow: hidden;
  border: 0;
  background: #0b1220;
  flex-shrink: 0;
}
.blog-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.thumb-services,
.thumb-ai,
.thumb-errors,
.thumb-compare {
  background: #0b1220;
}
.blog-post-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}
.blog-post-body h3 {
  margin: 0.35rem 0 0.3rem;
  font-size: 1.02rem;
  line-height: 1.4;
  color: var(--ink);
}
.blog-post-body h3 a:hover {
  color: var(--accent);
}
.blog-post-body p {
  margin: 0 0 0.45rem;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-meta {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: #94a3b8;
  font-size: 0.78rem;
}
.blog-load-more-wrap {
  padding: 0.85rem 1.35rem 1.25rem;
  border-top: 1px solid #eef2f7;
  margin-top: auto;
}
.blog-load-more-wrap[hidden] {
  display: none !important;
}
.blog-load-more {
  display: flex;
  width: 100%;
  margin: 0;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: #64748b;
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.blog-load-more:hover {
  background: #f8fafc;
  color: var(--ink);
  border-color: #cbd5e1;
}
.blog-load-more[hidden] {
  display: none !important;
}

.blog-sidebar {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  align-self: stretch;
  position: static;
  width: 100%;
  min-width: 0;
  height: 100%;
}
.side-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.1rem 1.1rem 1.15rem;
  overflow: visible;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.03);
}
.side-card h3 {
  margin: 0 0 0.8rem;
  font-size: 1rem;
}
.hot-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.hot-list li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 0.55rem;
  align-items: start;
}
.hot-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #fee2e2;
  color: #dc2626;
  font-size: 0.72rem;
  font-weight: 800;
  margin-top: 0.1rem;
}
.hot-list li:nth-child(n + 4) .hot-num {
  background: #f1f5f9;
  color: #64748b;
}
.hot-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.hot-list a {
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.4;
  word-break: break-word;
}
.hot-list a:hover {
  color: var(--accent);
}
.hot-list em {
  font-style: normal;
  color: var(--muted);
  font-size: 0.75rem;
}
.side-faq a {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid #f1f5f9;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.side-faq a:hover {
  color: var(--accent);
}
.side-faq-more {
  display: inline-block !important;
  border-bottom: 0 !important;
  margin-top: 0.35rem;
  color: var(--accent) !important;
  font-weight: 600;
}
.side-cta {
  background: linear-gradient(145deg, #6366f1 0%, #2563eb 55%, #1d4ed8 100%);
  color: #fff;
  border: 0;
  padding: 1.25rem 1.2rem 1.35rem;
  border-radius: 14px;
  overflow: visible;
  flex-shrink: 0;
  margin-top: auto;
  box-shadow: 0 14px 36px rgba(37, 99, 235, 0.28);
}
.side-cta h3 {
  color: #fff;
  margin: 0 0 0.85rem;
}
.side-cta ul {
  list-style: none;
  margin: 0 0 1.15rem;
}
.side-cta li {
  position: relative;
  padding-left: 1.15rem;
  margin: 0.4rem 0;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.88);
}
.side-cta li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #93c5fd;
  font-weight: 700;
}
.side-cta .btn {
  display: flex;
  width: 100%;
  min-height: 44px;
  background: #fff;
  color: var(--accent-deep);
  box-sizing: border-box;
}

.blog-mid-cta {
  padding: 2.5rem 0 4rem;
  background: linear-gradient(180deg, #f8fbff, #ffffff);
  border-top: 1px solid var(--line);
}
.blog-mid-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.75rem 1.75rem;
  border-radius: 16px;
  background: #eff6ff;
  border: 1px solid #dbeafe;
}
.blog-mid-cta-inner h2 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  letter-spacing: -0.02em;
}
.blog-mid-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 600;
}
.blog-mid-features i {
  display: inline-block;
  width: 18px;
  height: 18px;
  margin-right: 0.45rem;
  border-radius: 6px;
  vertical-align: -3px;
  background: var(--accent-soft);
  border: 1px solid #dbeafe;
  position: relative;
}
.blog-mid-features i::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 2px;
  background: var(--accent);
}
.blog-mid-features .mi-2::after {
  background: #7c3aed;
}
.blog-mid-features .mi-3::after {
  background: #059669;
}

.blog-cat-stat {
  margin: 1rem 0 0;
}
.blog-article .meta,
.eyebrow {
  color: var(--muted);
  font-size: 0.9rem;
}
.eyebrow a {
  color: var(--accent);
}
.article-body {
  margin-top: 1.5rem;
  color: var(--ink-soft);
  line-height: 1.85;
}
.article-cover {
  margin: 1.25rem 0 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #f8fafc;
}
.article-cover img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
}
.article-body h2,
.article-body h3 {
  margin: 1.75rem 0 0.75rem;
  letter-spacing: -0.02em;
}
.article-body p {
  margin: 0 0 1rem;
}
.article-body a {
  color: var(--accent);
}
.article-cta {
  margin-top: 2rem;
  padding: 1.25rem;
  border-radius: var(--radius);
  background: var(--accent-soft);
  border: 1px solid #dbeafe;
}

/* Contact */
.contact-channels-section {
  padding-top: 2.5rem;
  padding-bottom: 1.5rem;
}
.contact-qr-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}
.contact-qr-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem 1.25rem 1.4rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.contact-qr-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.08);
  border-color: #bfdbfe;
}
.contact-qr-head h3 {
  margin: 0 0 0.3rem;
  font-size: 1.2rem;
  color: var(--ink);
}
.contact-qr-head p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.contact-qr-frame {
  display: grid;
  place-items: center;
  width: 100%;
  max-width: 220px;
  aspect-ratio: 1;
  padding: 0.75rem;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid #eef2f7;
}
.contact-qr-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 8px;
}
.contact-qr-desc {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
  max-width: 16rem;
}
.contact-qr-card.tone-qq .contact-qr-head h3 { color: #2563eb; }
.contact-qr-card.tone-tg .contact-qr-head h3 { color: #0ea5e9; }
.contact-qr-card.tone-wecom .contact-qr-head h3 { color: #16a34a; }
.contact-lead-section {
  padding-top: 2rem;
}
.contact-panel {
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) minmax(0, 1.4fr);
  gap: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.contact-aside {
  padding: 1.75rem 1.5rem;
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  border-right: 1px solid var(--line);
}
.contact-aside h2 {
  margin: 0 0 0.65rem;
  font-size: 1.2rem;
}
.contact-aside p {
  margin: 0 0 1rem;
  color: var(--muted);
}
.contact-points {
  list-style: none;
  margin: 0;
  padding: 0;
}
.contact-points li {
  position: relative;
  padding-left: 1.35rem;
  margin: 0.7rem 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.45;
}
.contact-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: inset 0 0 0 2px #fff, 0 0 0 1px var(--accent);
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding: 1.75rem 1.5rem 1.5rem;
  background: #fff;
  position: relative;
}
.contact-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1rem;
}
.contact-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 0;
}
.contact-field-span {
  grid-column: 1 / -1;
}
.contact-form label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-soft);
}
.contact-form .req {
  color: #dc2626;
  font-weight: 700;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  font: inherit;
  background: #fff;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #94a3b8;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(37, 99, 235, 0.25);
  border-color: var(--accent);
}
.contact-form textarea {
  resize: vertical;
  min-height: 6.5rem;
}
.contact-form-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: end;
  padding-top: 0.25rem;
  border-top: 1px solid #eef2f7;
}
.contact-captcha {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-width: 16rem;
}
.contact-captcha input {
  max-width: 10rem;
}
.contact-submit {
  justify-self: end;
  min-width: 8.5rem;
  align-self: end;
}
.contact-form .hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  overflow: hidden;
}
.form-hint,
.form-msg,
.contact-extra {
  color: var(--muted);
  font-size: 0.9rem;
}
.contact-extra {
  margin: 1.25rem 0 0;
  line-height: 1.55;
}
.contact-extra a {
  color: var(--accent);
}
.form-msg {
  margin: 0;
}
.form-msg:not([hidden]) {
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  background: #eff6ff;
  color: var(--ink-soft);
}
.prose {
  color: var(--muted);
  line-height: 1.85;
}
.prose h2 {
  margin: 1.75rem 0 0.75rem;
  color: var(--ink);
  font-size: 1.2rem;
}
.prose ul {
  margin: 0 0 1rem 1.1rem;
}
.prose li {
  margin: 0.35rem 0;
}
.prose a {
  color: var(--accent);
}

/* Footer */
.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding-top: 3rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 0.8fr) 1fr;
  gap: 1.75rem;
  padding-bottom: 2.5rem;
}
.footer-brand .logo {
  margin-bottom: 0.85rem;
}
.footer-brand p,
.footer-sub {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 22rem;
}
.footer-label {
  margin: 0 0 0.75rem;
  color: var(--ink);
  font-weight: 700;
  font-size: 0.92rem;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.footer-col a {
  font-size: 0.9rem;
}
.footer-col a:hover {
  color: var(--accent);
}
.footer-subscribe .footer-sub {
  margin-bottom: 0.85rem;
}
.footer-sub-form {
  display: flex;
  gap: 0.45rem;
}
.footer-sub-form input {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.5rem 0.7rem;
  font: inherit;
  background: #fff;
}
.footer-copy {
  border-top: 1px solid var(--line);
  padding: 1.1rem 0;
  font-size: 0.85rem;
  text-align: center;
  background: #f1f5f9;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 {
  transition-delay: 0.05s;
}
.reveal-delay-2 {
  transition-delay: 0.1s;
}
.reveal-delay-3 {
  transition-delay: 0.15s;
}
.reveal-delay-4 {
  transition-delay: 0.2s;
}

/* Responsive */
@media (max-width: 1024px) {
  .feature-grid,
  .product-grid,
  .steps-grid,
  .value-row,
  .blog-featured-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .blog-quick-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .blog-layout,
  .compare-layout,
  .contact-panel,
  .faq-hero-layout,
  .hero-layout,
  .blog-hero-grid,
  .blog-mid-cta-inner {
    grid-template-columns: 1fr;
  }
  .contact-aside {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .contact-form-footer {
    grid-template-columns: 1fr;
  }
  .contact-submit {
    justify-self: stretch;
    width: 100%;
  }
  .blog-sidebar {
    position: static;
  }
  .blog-mid-cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-visual,
  .faq-hero-panel {
    justify-self: stretch;
    width: 100%;
  }
  .hero-illust {
    width: 100%;
  }
  .cta-band-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 800px) {
  .nav-toggle {
    display: inline-flex;
  }
  .nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1.25rem 1.25rem;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .nav.is-open {
    display: flex;
  }
  .nav > a:not(.btn) {
    padding: 0.75rem 0;
    border-bottom: 1px solid #f1f5f9;
  }
  .nav > a:not(.btn).is-active::after {
    display: none;
  }
  .nav-cta {
    margin: 0.75rem 0 0;
    width: 100%;
  }
  .header-inner {
    position: relative;
  }
}

@media (max-width: 720px) {
  .feature-grid,
  .product-grid,
  .steps-grid,
  .value-row,
  .quote-grid,
  .about-adv-grid,
  .about-flow-row,
  .about-who-grid,
  .blog-featured-grid,
  .blog-quick-grid,
  .contact-qr-grid,
  .contact-fields,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .blog-post-row {
    grid-template-columns: 1fr;
  }
  .blog-thumb {
    width: 100%;
    height: 160px;
  }
  .blog-latest-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .blog-block-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .blog-hero-art {
    animation: none;
  }
  .hero-features {
    grid-template-columns: 1fr;
  }
  .hero-float {
    display: none;
  }
  .section {
    padding: 3.25rem 0;
  }
  .cta-band {
    padding-bottom: 3rem;
  }
  .cta-band-inner,
  .cta-inner {
    padding: 1.5rem;
  }
}

/* ?? Home (AWS ?????) ?? */
.section-head.center{text-align:center;margin-inline:auto}
.ok{display:inline-grid;place-items:center;width:18px;height:18px;margin-right:.45rem;border-radius:50%;background:#dcfce7;color:#16a34a;flex-shrink:0;vertical-align:-3px}
.ok::before{content:"?";font-size:.7rem;font-weight:800;line-height:1}
.home-hero{background:radial-gradient(900px 420px at 90% 10%,rgba(37,99,235,.1),transparent 55%),linear-gradient(180deg,#fff,#f5f8ff);border-bottom:1px solid var(--line)}
.home-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:2.5rem;align-items:center;padding:3.25rem 0 2rem}
.home-hero-copy h1{margin:0 0 1.25rem;font-family:var(--font-display);font-size:clamp(2rem,4vw,2.85rem);letter-spacing:-.035em;line-height:1.15;color:var(--ink)}
.home-hero-copy h1 span{color:var(--accent)}
.home-check-grid{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:.65rem 1.25rem;margin:0 0 1.5rem}
.home-check-grid li{display:flex;align-items:center;font-weight:600;color:var(--ink-soft);font-size:.95rem}
.home-hero-art img{width:100%;height:auto;border-radius:18px}
.home-trust{background:#eef4ff;border-top:1px solid #dbe7ff}
.home-trust-row{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:.75rem;padding:1.1rem 0}
.home-trust-item{display:flex;align-items:center;justify-content:center;gap:.45rem;font-size:.88rem;font-weight:700;color:var(--ink-soft)}
.home-trust-item img{width:36px;height:36px}
.why-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.why-card{display:flex;gap:1rem;padding:1.35rem 1.25rem;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
.why-icon{width:56px;height:56px;flex-shrink:0}
.why-card h3{margin:0 0 .55rem;font-size:1.08rem}
.why-card ul{list-style:none;color:var(--muted);font-size:.9rem}
.why-card li{display:flex;align-items:flex-start;margin:.3rem 0}
.svc-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:.85rem}
.svc-card{display:flex;align-items:center;gap:.7rem;padding:1rem .9rem;background:#fff;border:1px solid var(--line);border-radius:12px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.svc-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#bfdbfe}
.svc-card img{width:40px;height:40px;flex-shrink:0}
.svc-card strong{display:block;font-size:.95rem}
.svc-card em{display:block;font-style:normal;color:var(--muted);font-size:.78rem;margin-top:.15rem}
.process-flow{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.25rem;position:relative}
.process-flow::before{content:"";position:absolute;top:28px;left:8%;right:8%;border-top:2px dashed #93c5fd;z-index:0}
.process-flow li{position:relative;z-index:1;text-align:center}
.process-node{position:relative;display:inline-grid;place-items:center;margin-bottom:.85rem}
.process-node img{width:56px;height:56px}
.process-num{position:absolute;right:-6px;top:-4px;min-width:22px;height:22px;border-radius:999px;background:#fff;border:2px solid var(--accent);color:var(--accent);font-size:.68rem;font-weight:800;display:grid;place-items:center}
.process-flow h3{margin:0 0 .45rem;font-size:1.05rem}
.process-flow p{margin:0;color:var(--muted);font-size:.88rem;line-height:1.6}
.home-split{display:grid;grid-template-columns:1.1fr 1fr;gap:1.5rem;align-items:start}
.compare-box{margin-top:1.25rem;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.compare-box-head,.compare-box-row{display:grid;grid-template-columns:.8fr 1.1fr 1.1fr;gap:.5rem;padding:.85rem 1rem;align-items:center}
.compare-box-head{background:var(--bg-soft);font-weight:700;font-size:.9rem}
.compare-box-head .is-us{color:var(--accent)}
.compare-box-row{border-top:1px solid #f1f5f9;font-size:.9rem}
.compare-box-row strong{color:var(--muted);font-weight:600}
.compare-box-row .is-good{color:#059669;font-weight:700;display:inline-flex;align-items:center;gap:.35rem}
.compare-box-row .is-good i{width:16px;height:16px;border-radius:50%;background:#dcfce7;position:relative}
.compare-box-row .is-good i::before{content:"?";position:absolute;inset:0;display:grid;place-items:center;font-size:.65rem;color:#16a34a;font-weight:800}
.quote-mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:.85rem;margin-top:1.25rem}
.quote-mini{margin:0;padding:1.1rem;background:#fff;border:1px solid var(--line);border-radius:14px;position:relative}
.quote-mini .quote-stars{margin:0 0 .4rem;color:#f59e0b;letter-spacing:.06em;font-size:.85rem}
.quote-mini .quote-text{margin:0 0 .75rem;color:var(--muted);font-size:.88rem;line-height:1.6}
.quote-mini footer{font-size:.82rem;font-weight:700;color:var(--ink-soft)}
.quote-mini::after{content:"?";position:absolute;right:.85rem;top:.35rem;font-size:2rem;color:#bfdbfe;font-family:Georgia,serif;line-height:1}
.home-cta{padding:0 0 4rem}
.home-cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:2.25rem;border-radius:18px;background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff;overflow:hidden;box-shadow:0 16px 40px var(--accent-glow)}
.home-cta-inner h2{margin:0 0 .4rem;font-size:clamp(1.35rem,2.4vw,1.7rem)}
.home-cta-inner p{margin:0;color:rgba(255,255,255,.82);max-width:28rem}
.home-cta-inner > div,
.home-cta-inner .btn{position:relative;z-index:2}
.home-cta-deco{position:absolute;left:46%;right:auto;bottom:-18%;width:min(200px,22%);opacity:.4;pointer-events:none;z-index:0}

/* ?? Platforms ?? */
.plat-hero{padding:2.75rem 0 2.5rem;background:radial-gradient(800px 360px at 85% 0%,rgba(37,99,235,.12),transparent 55%),linear-gradient(180deg,#fff,#f8fafc);border-bottom:1px solid var(--line)}
.plat-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:2.5rem;align-items:center}
.plat-hero-copy h1{margin:0 0 .75rem;font-family:var(--font-display);font-size:clamp(1.9rem,3.5vw,2.6rem);color:var(--accent-deep);letter-spacing:-.03em}
.plat-highlight{margin:0 0 .75rem;font-weight:700;color:var(--ink)}
.plat-lead{margin:0 0 1.25rem;color:var(--muted);max-width:36rem;line-height:1.75}
.plat-feats{display:grid;grid-template-columns:1fr 1fr;gap:.85rem;margin-bottom:1.5rem}
.plat-feats>div{display:grid;grid-template-columns:40px 1fr;grid-template-rows:auto auto;column-gap:.65rem;align-items:center;padding:.75rem .85rem;background:#fff;border:1px solid var(--line);border-radius:12px}
.plat-feats img{grid-row:1 / span 2}
.plat-feats strong{font-size:.92rem}
.plat-feats em{font-style:normal;color:var(--muted);font-size:.8rem}
.plat-hero-art img{width:100%;height:auto;border-radius:18px}
.plat-tabs{position:sticky;top:var(--header-h);z-index:40;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.plat-tabs-inner{display:flex;gap:1.35rem;overflow-x:auto;min-height:54px;align-items:center}
.plat-tabs a{flex-shrink:0;color:var(--muted);font-weight:600;font-size:.92rem;padding:.85rem 0;border-bottom:2px solid transparent}
.plat-tabs a:hover,.plat-tabs a.is-active{color:var(--accent);border-bottom-color:var(--accent)}
.plat-product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}
.plat-product-card{display:flex;flex-direction:column;gap:.55rem;padding:1.35rem 1.2rem;background:#fff;border:1px solid var(--line);border-radius:14px;min-height:100%;transition:transform .2s ease,box-shadow .2s ease}
.plat-product-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.plat-product-card img{width:48px;height:48px}
.plat-product-card h3{margin:0;font-size:1.05rem}
.plat-product-card p{margin:0;flex:1;color:var(--muted);font-size:.9rem;line-height:1.55}
.plat-price-layout{display:grid;grid-template-columns:1.45fr .8fr;gap:1.25rem;align-items:start}
.plat-info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.plat-info-card{padding:1.35rem 1.25rem;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
.plat-info-card h3{margin:0 0 .45rem;font-size:1.05rem}
.plat-info-card p{margin:0;color:var(--muted);font-size:.92rem;line-height:1.6}
.plat-value-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}
.plat-value{padding:1.25rem 1.1rem;background:#fff;border:1px solid var(--line);border-radius:14px}
.plat-value img{width:40px;height:40px;margin-bottom:.75rem}
.plat-value strong{display:block;margin-bottom:.3rem}
.plat-value span{color:var(--muted);font-size:.88rem}
.plat-cta{padding:0 0 4rem}
.plat-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:2rem 2.25rem;border-radius:18px;background:linear-gradient(135deg,#dbeafe,#eff6ff);border:1px solid #bfdbfe}
.plat-cta-inner h2{margin:0 0 .4rem;font-size:clamp(1.25rem,2.2vw,1.55rem)}
.plat-cta-inner p{margin:0;color:var(--muted)}

@media (max-width:1024px){
  .home-hero-grid,.home-split,.plat-hero-grid,.plat-price-layout,.process-flow,.about-hero-grid,.about-who-grid,.about-flow-row{grid-template-columns:1fr}
  .why-row,.plat-product-grid,.svc-grid,.about-adv-grid,.contact-qr-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .home-trust-row,.about-trust-row{grid-template-columns:repeat(3,minmax(0,1fr))}
  .process-flow::before,.about-flow-row::before{display:none}
  .home-cta-inner,.plat-cta-inner,.about-cta-inner{flex-direction:column;align-items:flex-start}
  .home-cta-deco{display:none}
}
@media (max-width:720px){
  .why-row,.svc-grid,.plat-product-grid,.plat-value-row,.plat-info-grid,.quote-mini-grid,.home-check-grid,.plat-feats,.home-trust-row,.about-adv-grid,.about-trust-row,.contact-qr-grid{grid-template-columns:1fr}
  .compare-box-head,.compare-box-row{grid-template-columns:1fr}
  html,body{overflow-x:hidden}
  .container{padding-left:1rem;padding-right:1rem}
  .page-hero{padding:2rem 0 1.75rem}
  .page-hero.blog-category-hero{padding:.55rem 0 1.75rem}
  .blog-hero{padding:2rem 0 1.5rem}
  .blog-post-row{grid-template-columns:1fr;gap:.85rem}
  .blog-thumb{width:100%;max-width:none}
  .blog-thumb img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover}
  .articles-layout{grid-template-columns:1fr}
  .float-contact{z-index:70}
}

/* ?? About (?????) ?? */
.about-hero{
  background:radial-gradient(900px 420px at 88% 12%,rgba(37,99,235,.12),transparent 55%),linear-gradient(180deg,#fff,#f5f8ff);
  border-bottom:1px solid var(--line);
}
.about-hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:2.5rem;
  align-items:center;
  padding:3.25rem 0 2.5rem;
}
.about-kicker{
  margin:0 0 .75rem;
  color:var(--accent);
  font-weight:700;
  font-size:.95rem;
}
.about-hero-copy h1{
  margin:0 0 1rem;
  font-family:var(--font-display);
  font-size:clamp(2rem,4vw,2.75rem);
  letter-spacing:-.035em;
  line-height:1.18;
  color:var(--ink);
}
.about-hero-copy h1 span{color:var(--accent)}
.about-hero-lead{
  margin:0 0 1.5rem;
  color:var(--muted);
  font-size:1.05rem;
  line-height:1.8;
  max-width:34rem;
}
.about-trust-row{
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:.55rem;
  margin-top:1.75rem;
  padding-top:1.35rem;
  border-top:1px solid #e2e8f0;
}
.about-trust-item{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:.4rem;
  text-align:center;
  font-size:.78rem;
  font-weight:700;
  color:var(--ink-soft);
}
.about-trust-item img{width:28px;height:28px}
.about-hero-art img{
  width:100%;
  height:auto;
  display:block;
}
.about-who{padding-top:4rem;padding-bottom:3.5rem}
.about-who-art img{
  width:100%;
  height:auto;
  display:block;
}
.about-adv .section-head{margin-bottom:1.75rem}
.about-flow{padding-bottom:3.5rem}
.about-cta{padding:0 0 4rem}
.about-cta-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1.5rem;
  padding:2.25rem 2.35rem;
  border-radius:18px;
  background:
    radial-gradient(520px 220px at 72% 120%, rgba(255,255,255,.16), transparent 60%),
    radial-gradient(380px 180px at 88% 0%, rgba(147,197,253,.28), transparent 55%),
    linear-gradient(135deg,#2563eb,#1d4ed8 55%,#3b82f6);
  color:#fff;
  overflow:hidden;
  box-shadow:0 16px 40px var(--accent-glow);
}
.about-cta-copy{position:relative;z-index:1;max-width:32rem}
.about-cta-inner h2{
  margin:0 0 .45rem;
  font-family:var(--font-display);
  font-size:clamp(1.35rem,2.4vw,1.7rem);
}
.about-cta-inner p{
  margin:0;
  color:rgba(255,255,255,.84);
  line-height:1.65;
}
.about-cta-inner .cta-actions{position:relative;z-index:1;flex-shrink:0}

/* —— Page back nav (category / post / articles) —— */
.page-back-nav{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:.55rem .7rem;
  margin:0 0 1.15rem;
}
.page-back{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  margin:0;
  padding:0;
  border:0;
  background:transparent;
  color:var(--muted);
  font:inherit;
  font-size:.9rem;
  font-weight:600;
  letter-spacing:-.01em;
  cursor:pointer;
  transition:color .18s ease;
}
.page-back-ico{
  display:inline-grid;
  place-items:center;
  width:1.85rem;
  height:1.85rem;
  border-radius:999px;
  background:rgba(37,99,235,.08);
  color:var(--accent);
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.page-back:hover{color:var(--ink)}
.page-back:hover .page-back-ico{
  background:rgba(37,99,235,.14);
  transform:translateX(-2px);
  box-shadow:0 0 0 4px rgba(37,99,235,.08);
}
.page-back:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:4px;
  border-radius:8px;
}
.page-back-crumb{
  color:#cbd5e1;
  font-size:.85rem;
  font-weight:600;
  user-select:none;
}
.page-back-current{
  color:var(--ink-soft);
  font-size:.9rem;
  font-weight:600;
  letter-spacing:-.01em;
  text-decoration:none;
}
a.page-back-current:hover{color:var(--accent)}

.page-hero.blog-category-hero{
  position:relative;
  padding:0 0 3.25rem;
  overflow:hidden;
  background:
    radial-gradient(680px 280px at 50% -20%,rgba(59,130,246,.17),transparent 68%),
    linear-gradient(180deg,#fff 0%,#f7faff 100%);
}
.blog-category-breadcrumb{
  display:flex;
  align-items:center;
  gap:.55rem;
  min-height:3.25rem;
  margin:0 0 1.5rem;
  color:#94a3b8;
  font-size:.84rem;
  font-weight:600;
}
.blog-category-breadcrumb a{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  color:var(--muted);
  text-decoration:none;
  transition:color .18s ease;
}
.blog-category-breadcrumb a:hover{color:var(--accent)}
.blog-category-breadcrumb span[aria-current="page"]{color:var(--ink-soft)}
.blog-category-kicker{
  margin:0 0 .75rem;
  color:var(--accent);
  font-size:.8rem;
  font-weight:800;
  letter-spacing:.08em;
}
.blog-category-hero-copy{
  max-width:46rem;
  margin:0 auto;
  text-align:center;
}
.blog-category-hero-copy .page-hero-title{
  margin:0 0 .85rem;
  font-size:clamp(2rem,3.4vw,2.65rem);
  letter-spacing:-.035em;
}
.blog-category-hero-copy .page-hero-lead{
  margin:0 auto;
  max-width:36rem;
  color:#64748b;
  font-size:1.02rem;
  line-height:1.75;
}
.blog-category-summary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.7rem;
  margin:1.25rem 0 0;
  padding:.45rem .75rem .45rem .5rem;
  border:1px solid #dbeafe;
  border-radius:999px;
  background:rgba(255,255,255,.84);
  box-shadow:0 8px 24px rgba(37,99,235,.06);
  color:var(--muted);
  font-size:.84rem;
}
.blog-category-count{
  padding-left:.7rem;
  border-left:1px solid #dbeafe;
}
.blog-category-count strong{color:var(--ink);font-weight:800}
.blog-category-body{
  padding-top:2.5rem;
  padding-bottom:4rem;
  background:#f5f8fc;
}
.blog-category-panel{
  max-width:1040px;
  margin-left:auto;
  margin-right:auto;
  border-radius:14px;
  box-shadow:0 14px 38px rgba(15,23,42,.06);
}
.blog-category-panel .blog-latest-head{
  align-items:center;
  padding:1.35rem 1.5rem 1.15rem;
}
.blog-category-panel .blog-latest-head h2{
  font-size:1.3rem;
}
.blog-category-all{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  color:var(--accent);
  font-weight:700;
}
.blog-category-list .blog-post-row{
  grid-template-columns:168px minmax(0,1fr);
  gap:1.2rem;
  padding:1.2rem 1.5rem;
}
.blog-category-list .blog-thumb{
  width:168px;
  height:100px;
  border-radius:8px;
}
.blog-category-list .blog-post-body h3{
  margin:.38rem 0 .32rem;
  font-size:1.06rem;
}
.blog-category-list .blog-post-body p{
  max-width:42rem;
  font-size:.88rem;
}

@media (max-width:720px){
  .page-hero.blog-category-hero{padding-bottom:2.5rem}
  .blog-category-breadcrumb{margin-bottom:1rem}
  .blog-category-hero-copy .page-hero-title{font-size:2rem}
  .blog-category-summary{flex-wrap:wrap;border-radius:12px}
  .blog-category-panel .blog-latest-head{align-items:flex-start;padding:1.15rem}
  .blog-category-list .blog-post-row{grid-template-columns:1fr;padding:1rem 1.15rem}
  .blog-category-list .blog-thumb{width:100%;height:auto;aspect-ratio:16/9}
}

/* —— Articles archive —— */
.articles-body{padding-top:2rem;padding-bottom:3.5rem}
.articles-toolbar{margin-bottom:1rem}
.articles-back{
  display:inline-flex;align-items:center;gap:.4rem;
  min-height:38px;padding:.4rem .9rem;
  border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink-soft);
  font:inherit;font-size:.9rem;font-weight:600;
  cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease;
}
.articles-back:hover{background:#f8fafc;border-color:#cbd5e1;color:var(--ink)}
.articles-layout{
  display:grid;
  grid-template-columns:minmax(240px,.72fr) minmax(0,1.7fr);
  gap:1.25rem;
  align-items:start;
}
.articles-filters,
.articles-main{
  margin:0;
  align-self:start;
}
.articles-filters{
  padding:1.25rem;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:0 4px 18px rgba(15,23,42,.04);
  position:sticky;
  top:calc(var(--header-h) + 1rem);
}
.articles-filter-form{display:flex;flex-direction:column;gap:.75rem}
.articles-filter-label{margin:0;font-size:.82rem;font-weight:700;color:var(--ink-soft)}
.articles-filter-form input[type=search]{width:100%;padding:.7rem .85rem;border:1px solid var(--line);border-radius:10px;font:inherit}
.articles-chip-row{display:flex;flex-wrap:wrap;gap:.45rem}
.articles-chip{display:inline-flex;cursor:pointer}
.articles-chip input{position:absolute;opacity:0;pointer-events:none}
.articles-chip span{display:inline-flex;padding:.35rem .7rem;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:.82rem;font-weight:600;transition:all .15s ease}
.articles-chip.is-on span,.articles-chip:hover span{border-color:#bfdbfe;background:#eff6ff;color:var(--accent)}
.articles-main{min-width:0}
.articles-main .blog-latest-panel{margin-top:0}
.articles-hero .page-kicker a{color:var(--accent)}
@media (max-width:1024px){
  .articles-layout{grid-template-columns:1fr}
  .articles-filters{position:static}
}

/* —— Floating contact CTA (all pages) —— */
.float-contact{
  position:fixed;
  right:0;
  top:50%;
  z-index:60;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:.55rem;
  width:3rem;
  padding:1rem .55rem;
  border-radius:14px 0 0 14px;
  background:var(--accent);
  color:#fff;
  text-decoration:none;
  box-shadow:-6px 10px 28px rgba(37,99,235,.28);
  transform:translateY(-50%);
  transition:background .18s ease,box-shadow .18s ease,transform .18s ease;
}
.float-contact:hover{
  background:var(--accent-deep);
  color:#fff;
  box-shadow:-8px 12px 32px rgba(29,78,216,.34);
  transform:translateY(-50%) translateX(-2px);
}
.float-contact:focus-visible{
  outline:2px solid #fff;
  outline-offset:3px;
}
.float-contact-ico{
  display:inline-grid;
  place-items:center;
  width:1.85rem;
  height:1.85rem;
  border-radius:999px;
  background:rgba(255,255,255,.16);
}
.float-contact-text{
  writing-mode:vertical-rl;
  letter-spacing:.18em;
  font-size:.88rem;
  font-weight:700;
  line-height:1;
}
@media (max-width:640px){
  .float-contact{
    top:auto;
    bottom:1.15rem;
    right:1rem;
    width:auto;
    flex-direction:row;
    gap:.45rem;
    padding:.7rem 1rem;
    border-radius:999px;
    transform:none;
  }
  .float-contact:hover{transform:translateY(-1px)}
  .float-contact-text{
    writing-mode:horizontal-tb;
    letter-spacing:.02em;
  }
}