/* ==========================================================================
   龙猫云 · TotoroYun — Design System
   科技简约风 / Tech Minimal Theme
   ========================================================================== */

:root {
  --color-bg: #F5F7FC;
  --color-bg-alt: #FFFFFF;
  --color-primary: #4F6BFF;
  --color-primary-dark: #3A4FE0;
  --color-primary-light: #93A8FF;
  --color-secondary: #17C3E8;
  --color-secondary-soft: #EEF1FF;
  --color-cyan-soft: #E6FBFF;
  --color-text: #101828;
  --color-text-soft: #5B6B84;
  --color-text-faint: #98A6BC;
  --color-white: #FFFFFF;
  --color-line: #E4E9F4;
  --color-success: #22C55E;
  --color-warn: #F59E0B;
  --color-heading: #0B1220;

  --shadow-card: 0 10px 28px rgba(63, 82, 214, 0.10);
  --shadow-card-hover: 0 18px 42px rgba(63, 82, 214, 0.18);
  --shadow-soft: 0 4px 18px rgba(16, 24, 40, 0.06);

  --font-hand: "Sora", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;

  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --radius-pill: 999px;

  --container: 1160px;
  --header-h: 72px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
button { font-family: inherit; }
svg { display: block; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- Ambient tech background ---------- */
.ambient-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 1;
  background-image: radial-gradient(rgba(79, 107, 255, 0.16) 1px, transparent 1.6px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 35%, transparent 88%);
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 35%, transparent 88%);
}
.ambient-bg::before,
.ambient-bg::after {
  content: "";
  position: absolute;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.30;
  animation: drift 24s ease-in-out infinite;
  will-change: transform;
}
.ambient-bg::before {
  top: -220px;
  left: -160px;
  background: radial-gradient(circle, var(--color-primary), transparent 70%);
}
.ambient-bg::after {
  top: 4%;
  right: -220px;
  background: radial-gradient(circle, var(--color-secondary), transparent 70%);
  animation-delay: -9s;
  animation-duration: 28s;
}
@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(36px, 26px) scale(1.08); }
}

/* ---------- Glass utility ---------- */
.glass {
  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 700;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  box-shadow: 0 8px 22px rgba(58, 79, 224, 0.32);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(58, 79, 224, 0.40); }
.btn-outline {
  background: #fff;
  color: var(--color-primary-dark);
  border-color: var(--color-line);
}
.btn-outline:hover { border-color: var(--color-primary); transform: translateY(-2px); }
.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-sm { padding: 9px 18px; font-size: 13px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 247, 252, 0.78);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--color-line);
}
.nav {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-hand);
  font-weight: 700;
  font-size: 21px;
  color: var(--color-heading);
  letter-spacing: 0.2px;
}
.brand img { width: 34px; height: 34px; }
.brand small {
  display: block;
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--color-text-faint);
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 15px;
  font-weight: 500;
}
.nav-links a { color: var(--color-text); position: relative; padding: 6px 0; }
.nav-links a:hover, .nav-links a.is-active { color: var(--color-primary-dark); }
.nav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 3px;
}
.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary-dark);
  border-radius: 2px;
  position: relative;
  transition: 0.2s;
}
.nav-toggle span::before { position: absolute; top: -7px; width: 22px; }
.nav-toggle span::after { position: absolute; top: 7px; width: 22px; }

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 20px;
    border-bottom: 1px solid var(--color-line);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: 0.2s ease;
  }
  .nav-links.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links a { width: 100%; padding: 12px 0; border-bottom: 1px dashed var(--color-line); }
  .nav-actions .btn-outline { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 76px 0 90px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-secondary-soft);
  border: 1px solid #DCE3FF;
  color: var(--color-primary-dark);
  font-size: 13px;
  font-weight: 700;
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}
.hero-badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 3px rgba(34,197,94,0.18);
}
.hero h1 {
  font-family: var(--font-hand);
  font-weight: 700;
  font-size: clamp(36px, 4.8vw, 56px);
  line-height: 1.25;
  color: var(--color-heading);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero h1 span {
  background: linear-gradient(120deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead {
  font-size: 17px;
  color: var(--color-text-soft);
  max-width: 520px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-meta { display: flex; gap: 28px; flex-wrap: wrap; }
.hero-meta div strong { display: block; font-family: var(--font-hand); font-size: 21px; font-weight: 700; color: var(--color-primary-dark); }
.hero-meta div span { font-size: 13px; color: var(--color-text-soft); }

.hero-art {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-art .card-float {
  position: absolute;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-heading);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: floaty 5s ease-in-out infinite;
}
.hero-art .card-float svg { width: 16px; height: 16px; flex: none; color: var(--color-primary); }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ---------- Sections ---------- */
.section { padding: 88px 0; position: relative; z-index: 2; }
.section-alt { background: var(--color-bg-alt); }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 52px; }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary-dark);
  background: var(--color-secondary-soft);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}
.section-header h2 {
  font-family: var(--font-hand);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 36px);
  color: var(--color-heading);
  margin-bottom: 14px;
  letter-spacing: -0.3px;
}
.section-header p { color: var(--color-text-soft); font-size: 16px; }

/* ---------- Icon tile ---------- */
.icon-tile {
  width: 48px; height: 48px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  flex: none;
}
.icon-tile svg { width: 22px; height: 22px; color: #fff; }

/* ---------- Feature grid ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); border-color: #DCE3FF; }
.feature-card h3 { font-size: 17px; margin-bottom: 10px; color: var(--color-heading); }
.feature-card p { font-size: 14px; color: var(--color-text-soft); }

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  align-items: stretch;
}
.pricing-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.pricing-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card-hover); }
.pricing-card--featured {
  border-color: var(--color-primary);
  background: linear-gradient(180deg, #fff 0%, var(--color-secondary-soft) 100%);
}
.pricing-badge {
  position: absolute;
  top: -14px; left: 28px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  box-shadow: 0 6px 16px rgba(58, 79, 224, 0.35);
}
.pricing-name { font-family: var(--font-hand); font-weight: 700; font-size: 22px; color: var(--color-primary-dark); margin-bottom: 6px; }
.pricing-tagline { font-size: 13px; color: var(--color-text-soft); margin-bottom: 18px; }
.pricing-price { display: flex; align-items: baseline; gap: 6px; margin-bottom: 4px; }
.pricing-price .amount { font-family: var(--font-hand); font-size: 38px; font-weight: 700; color: var(--color-heading); }
.pricing-price .unit { font-size: 14px; color: var(--color-text-soft); }
.pricing-quota { font-size: 13px; color: var(--color-primary-dark); font-weight: 700; margin-bottom: 22px; }
.pricing-list { display: flex; flex-direction: column; gap: 11px; margin-bottom: 26px; flex: 1; }
.pricing-list li { display: flex; gap: 10px; font-size: 14px; color: var(--color-text); align-items: flex-start; }
.pricing-list li::before {
  content: "";
  flex: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--color-secondary-soft);
  margin-top: 2px;
  background-image: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center / 11px no-repeat;
  mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center / 11px no-repeat;
}
.pricing-note { font-size: 12px; color: var(--color-text-faint); margin-top: 10px; }

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  counter-reset: step;
}
.step-card { position: relative; background: #fff; border-radius: var(--radius-lg); padding: 30px 22px; border: 1px solid var(--color-line); }
.step-number {
  width: 38px; height: 38px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  font-family: var(--font-hand);
  font-weight: 700;
  font-size: 17px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.step-card h3 { font-size: 16px; margin-bottom: 8px; color: var(--color-heading); }
.step-card p { font-size: 13.5px; color: var(--color-text-soft); }

/* ---------- Tags ---------- */
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  background: var(--color-secondary-soft);
  color: var(--color-primary-dark);
  border: 1px solid #DCE3FF;
  font-size: 12.5px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 4px 22px;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 30px 18px 0;
  font-weight: 700;
  font-size: 15.5px;
  color: var(--color-heading);
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 400;
  color: var(--color-primary);
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p { padding: 0 0 20px; color: var(--color-text-soft); font-size: 14.5px; }

/* ---------- Notice box ---------- */
.notice-box {
  display: flex;
  gap: 12px;
  background: var(--color-secondary-soft);
  border: 1px solid #DCE3FF;
  border-radius: var(--radius-md);
  padding: 18px 20px;
  font-size: 13.5px;
  color: var(--color-text-soft);
}
.notice-box svg { width: 18px; height: 18px; flex: none; color: var(--color-primary); margin-top: 1px; }
.notice-box strong { color: var(--color-primary-dark); }

/* ---------- CTA banner ---------- */
.cta-banner {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  color: #fff;
  flex-wrap: wrap;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.16) 1px, transparent 1.6px);
  background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(ellipse 70% 100% at 100% 0%, #000, transparent 70%);
  mask-image: radial-gradient(ellipse 70% 100% at 100% 0%, #000, transparent 70%);
}
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 { font-family: var(--font-hand); font-weight: 700; font-size: 30px; margin-bottom: 10px; }
.cta-banner p { opacity: 0.9; font-size: 15px; }
.cta-banner .btn-outline { background: #fff; color: var(--color-primary-dark); border-color: #fff; }

/* ---------- Status page ---------- */
.status-board { display: flex; flex-direction: column; gap: 14px; max-width: 760px; margin: 0 auto; }
.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 18px 22px;
}
.status-row .name { font-weight: 700; color: var(--color-heading); }
.status-row .desc { font-size: 13px; color: var(--color-text-soft); margin-top: 3px; }
.status-pill { display: flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 700; color: var(--color-success); }
.status-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--color-success); box-shadow: 0 0 0 4px rgba(34,197,94,0.16); }

/* ---------- Simple content page (legal etc.) ---------- */
.doc-page { padding: 60px 0 100px; }
.doc-header { text-align: center; margin-bottom: 44px; }
.doc-header .eyebrow { margin-bottom: 14px; }
.doc-header h1 { font-family: var(--font-hand); font-weight: 700; font-size: clamp(28px,3.8vw,38px); color: var(--color-heading); margin-bottom: 10px; letter-spacing: -0.3px; }
.doc-header .updated { font-size: 13px; color: var(--color-text-faint); }
.doc-body {
  max-width: 780px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 44px 48px;
}
.doc-body h2 { font-size: 19px; color: var(--color-primary-dark); margin: 32px 0 12px; }
.doc-body h2:first-child { margin-top: 0; }
.doc-body p, .doc-body li { font-size: 14.5px; color: var(--color-text); margin-bottom: 10px; }
.doc-body ul { padding-left: 20px; list-style: disc; }
.doc-body a { color: var(--color-primary-dark); text-decoration: underline; }

/* ---------- Guide / SEO hub ---------- */
.guide-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
  justify-content: center;
}
.guide-toc a {
  font-size: 13.5px;
  font-weight: 600;
  background: #fff;
  border: 1px solid var(--color-line);
  padding: 9px 16px;
  border-radius: var(--radius-pill);
}
.guide-toc a:hover { border-color: var(--color-primary); color: var(--color-primary-dark); }
.guide-article {
  max-width: 780px;
  margin: 0 auto 26px;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  scroll-margin-top: 96px;
}
.guide-article h2 { font-family: var(--font-hand); font-weight: 700; font-size: 22px; color: var(--color-primary-dark); margin-bottom: 6px; }
.guide-article .tag { margin-bottom: 16px; display: inline-block; }
.guide-article ol { padding-left: 20px; list-style: decimal; display:flex; flex-direction:column; gap:8px; }
.guide-article p { color: var(--color-text-soft); font-size: 14.5px; margin: 10px 0; }

/* ---------- Footer ---------- */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--color-line);
  padding: 60px 0 30px;
  position: relative;
  z-index: 2;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 30px;
  margin-bottom: 40px;
}
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand p { font-size: 13.5px; color: var(--color-text-soft); max-width: 280px; margin-bottom: 16px; }
.footer-col h4 { font-size: 14px; color: var(--color-heading); margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 13.5px; color: var(--color-text-soft); }
.footer-col a:hover { color: var(--color-primary-dark); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 24px;
  border-top: 1px solid var(--color-line);
  font-size: 12.5px;
  color: var(--color-text-faint);
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero { padding: 60px 0 20px; text-align: center; }
.page-hero .eyebrow { margin-bottom: 16px; }
.page-hero h1 { font-family: var(--font-hand); font-weight: 700; font-size: clamp(30px,4vw,42px); color: var(--color-heading); margin-bottom: 14px; letter-spacing: -0.3px; }
.page-hero p { color: var(--color-text-soft); font-size: 16px; max-width: 620px; margin: 0 auto; }

/* ---------- 404 ---------- */
.error-page { text-align: center; padding-top: 110px; }
.error-page .icon-tile { width: 84px; height: 84px; border-radius: 22px; margin: 0 auto 26px; }
.error-page .icon-tile svg { width: 38px; height: 38px; }
.error-page .code { font-family: var(--font-hand); font-weight: 700; font-size: 72px; color: var(--color-primary); line-height: 1; margin-bottom: 14px; }
.error-page h1 { font-family: var(--font-hand); font-weight: 700; font-size: 28px; color: var(--color-heading); margin: 0 0 12px; }
.error-page p { color: var(--color-text-soft); margin-bottom: 32px; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; max-height: 260px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .section { padding: 60px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-banner { flex-direction: column; text-align: center; padding: 40px 28px; }
  .doc-body { padding: 30px 22px; }
  .guide-article { padding: 26px 22px; }
  .hero { padding: 50px 0 60px; }
  .hero-meta { gap: 18px; }
}