/* ═══════════════════════════════════════════
   Chrome Download Landing Page - Global Styles
   ═══════════════════════════════════════════ */

/* ── Reset & Base ── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: "Google Sans", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: #202124;
  background: #ffffff;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: #1a73e8;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #1557b0;
}

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

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

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes flareSweep {
  0% { background-position: 100% 100%; opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { background-position: 0% 0%; opacity: 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* ── Utility Classes ── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
}

.section-padding {
  padding: 120px 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 60px 0;
  }
}

.text-center { text-align: center; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  padding: 14px 32px;
  border-radius: 24px;
  border: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-primary {
  background: #1a73e8;
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(26, 115, 232, 0.25);
}

.btn-primary:hover {
  background: #1557b0;
  transform: scale(1.02);
  box-shadow: 0 4px 16px rgba(26, 115, 232, 0.35);
  color: #ffffff;
}

.btn-secondary {
  background: #f1f3f4;
  color: #202124;
  border: 1px solid #dadce0;
}

.btn-secondary:hover {
  background: #e8eaed;
  transform: scale(1.02);
  color: #202124;
}

.btn-outline {
  background: transparent;
  color: #1a73e8;
  border: 2px solid #1a73e8;
}

.btn-outline:hover {
  background: #1a73e8;
  color: #ffffff;
  transform: scale(1.02);
}

.btn-large {
  padding: 18px 48px;
  font-size: 18px;
  border-radius: 28px;
}

.btn svg {
  flex-shrink: 0;
}

/* ── Header / Navigation ── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.header.hidden {
  transform: translateY(-100%);
}

.header.scrolled {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (max-width: 768px) {
  .header-inner {
    padding: 0 20px;
  }
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 500;
  color: #202124;
  text-decoration: none;
}

.header-logo:hover {
  color: #202124;
}

.header-logo svg {
  width: 32px;
  height: 32px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 400;
  color: #5f6368;
  border-radius: 20px;
  transition: all 0.2s ease;
  text-decoration: none;
}

.nav-link:hover {
  background: #f1f3f4;
  color: #202124;
}

.nav-link.active {
  color: #1a73e8;
  font-weight: 500;
  background: #e8f0fe;
}

.nav-link.active:hover {
  color: #1557b0;
}

.header-btn {
  padding: 10px 24px;
  font-size: 14px;
  border-radius: 20px;
}

/* Mobile nav */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

@media (max-width: 768px) {
  .header-nav .nav-links {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .header-btn {
    display: none;
  }
}

/* ── Hero Section ── */
.hero {
  min-height: 100vh;
  background: linear-gradient(180deg, #e8f0fe 0%, #ffffff 100%);
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  align-items: center;
  gap: 60px;
  width: 100%;
}

.hero-text {
  flex: 0 0 42%;
  max-width: 540px;
}

.hero-title {
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 500;
  line-height: 1.15;
  color: #202124;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.8;
  color: #5f6368;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-img {
  max-width: 520px;
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
  animation: float 6s ease-in-out infinite;
}

@media (max-width: 1024px) {
  .hero-inner {
    flex-direction: column;
    text-align: center;
  }
  .hero-text {
    flex: none;
    max-width: 100%;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-visual {
    order: -1;
  }
  .hero-img {
    max-width: 360px;
  }
}

/* ── Section Headers ── */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}

.section-title {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 500;
  line-height: 1.3;
  color: #202124;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 18px;
  line-height: 1.8;
  color: #5f6368;
}

/* ── Feature Cards ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.feature-card {
  padding: 40px 32px;
  border-radius: 16px;
  background: #ffffff;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(30px);
}

.feature-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.feature-icon.blue { background: #e8f0fe; }
.feature-icon.green { background: #e6f4ea; }
.feature-icon.red { background: #fce8e6; }
.feature-icon.yellow { background: #fef7e0; }
.feature-icon.purple { background: #f3e8fd; }
.feature-icon.teal { background: #e0f7fa; }

.feature-title {
  font-size: 20px;
  font-weight: 500;
  color: #202124;
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 15px;
  line-height: 1.7;
  color: #5f6368;
}

/* ── Download Cards ── */
.download-section {
  background: #f1f3f4;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 1024px) {
  .platform-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.platform-card {
  background: #ffffff;
  border-radius: 20px;
  padding: 36px 28px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.platform-card:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
  transform: translateY(-6px);
}

.platform-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
}

.platform-name {
  font-size: 20px;
  font-weight: 500;
  color: #202124;
  margin-bottom: 6px;
}

.platform-ver {
  font-size: 13px;
  color: #80868b;
  margin-bottom: 20px;
}

/* ── Function Detail Section ── */
.function-detail {
  background: #ffffff;
}

.function-row {
  display: flex;
  align-items: center;
  gap: 60px;
  margin-bottom: 100px;
}

.function-row:last-child {
  margin-bottom: 0;
}

.function-row.reverse {
  flex-direction: row-reverse;
}

.function-text {
  flex: 1;
}

.function-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.function-visual img {
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.function-title {
  font-size: 28px;
  font-weight: 500;
  color: #202124;
  margin-bottom: 16px;
}

.function-desc {
  font-size: 16px;
  line-height: 1.8;
  color: #5f6368;
}

@media (max-width: 1024px) {
  .function-row,
  .function-row.reverse {
    flex-direction: column;
    gap: 32px;
  }
  .function-row {
    margin-bottom: 64px;
  }
}

/* ── Testimonials ── */
.testimonials {
  background: #f1f3f4;
  position: relative;
  overflow: hidden;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 1024px) {
  .testimonial-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.testimonial-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 28px;
  border: 1px solid #e8eaed;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  transform: translateY(-3px);
}

.testimonial-header-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1a73e8, #4285f4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  font-weight: 500;
  flex-shrink: 0;
}

.testimonial-name {
  font-size: 16px;
  font-weight: 500;
  color: #202124;
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-top: 2px;
}

.testimonial-stars svg {
  width: 16px;
  height: 16px;
}

.testimonial-text {
  font-size: 15px;
  line-height: 1.7;
  color: #5f6368;
}

/* ── Stats Section ── */
.stats-section {
  background: linear-gradient(135deg, #1a73e8 0%, #4285f4 50%, #34a853 100%);
  color: #ffffff;
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  right: -50%;
  bottom: -50%;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.08) 0%, transparent 50%);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  text-align: center;
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.stat-number {
  font-size: clamp(48px, 6vw, 72px);
  font-weight: 500;
  line-height: 1;
  margin-bottom: 12px;
}

.stat-label {
  font-size: 18px;
  opacity: 0.9;
}

/* ── Comparison Table ── */
.comparison-section {
  background: #ffffff;
}

.comparison-table-wrap {
  overflow-x: auto;
  border-radius: 16px;
  border: 1px solid #e8eaed;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.comparison-table th {
  background: #f1f3f4;
  padding: 16px 24px;
  text-align: left;
  font-size: 15px;
  font-weight: 500;
  color: #202124;
  border-bottom: 2px solid #dadce0;
}

.comparison-table td {
  padding: 16px 24px;
  font-size: 15px;
  color: #5f6368;
  border-bottom: 1px solid #e8eaed;
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table tr:hover td {
  background: #f8f9fa;
}

.comparison-table .feature-name {
  font-weight: 500;
  color: #202124;
}

/* ── FAQ Section ── */
.faq-section {
  background: #f1f3f4;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #ffffff;
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  border: 1px solid #e8eaed;
  transition: box-shadow 0.2s ease;
}

.faq-item:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  color: #202124;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color 0.2s ease;
}

.faq-question:hover {
  color: #1a73e8;
}

.faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: #5f6368;
}

/* ── Footer ── */
.footer {
  background: #f1f3f4;
  padding: 60px 0 32px;
  border-top: 1px solid #e8eaed;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
}

@media (max-width: 768px) {
  .footer-inner {
    padding: 0 20px;
  }
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}

@media (max-width: 768px) {
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

.footer-col-title {
  font-size: 14px;
  font-weight: 500;
  color: #202124;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: #5f6368;
  margin-bottom: 10px;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: #1a73e8;
}

.footer-bottom {
  border-top: 1px solid #dadce0;
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-copyright {
  font-size: 13px;
  color: #80868b;
  line-height: 1.6;
}

.footer-disclaimer {
  font-size: 12px;
  color: #80868b;
  line-height: 1.6;
}

/* ── Scroll Reveal Animation ── */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ── Download Page Specific ── */
.download-hero {
  background: linear-gradient(135deg, #e8f0fe 0%, #f1f3f4 100%);
  padding: 140px 0 80px;
  text-align: center;
}

.download-hero-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 500;
  color: #202124;
  margin-bottom: 16px;
}

.download-hero-desc {
  font-size: 18px;
  color: #5f6368;
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.download-main-card {
  background: #ffffff;
  border-radius: 24px;
  padding: 48px;
  max-width: 680px;
  margin: 0 auto;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
}

.download-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.download-info-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #80868b;
}

.guide-section {
  background: #ffffff;
}

.guide-steps {
  max-width: 800px;
  margin: 0 auto;
}

.guide-step {
  display: flex;
  gap: 24px;
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid #e8eaed;
}

.guide-step:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #1a73e8;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 500;
  flex-shrink: 0;
}

.step-content h3 {
  font-size: 20px;
  font-weight: 500;
  color: #202124;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 15px;
  line-height: 1.7;
  color: #5f6368;
}

.sysreq-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 1024px) {
  .sysreq-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.sysreq-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 28px;
  border: 1px solid #e8eaed;
}

.sysreq-card h3 {
  font-size: 18px;
  font-weight: 500;
  color: #202124;
  margin-bottom: 16px;
}

.sysreq-list {
  list-style: none;
}

.sysreq-list li {
  font-size: 14px;
  color: #5f6368;
  padding: 6px 0;
  border-bottom: 1px solid #f1f3f4;
}

.sysreq-list li:last-child {
  border-bottom: none;
}

.changelog-list {
  max-width: 800px;
  margin: 0 auto;
}

.changelog-item {
  background: #ffffff;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
  border: 1px solid #e8eaed;
}

.changelog-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.changelog-version {
  font-size: 18px;
  font-weight: 500;
  color: #1a73e8;
}

.changelog-date {
  font-size: 13px;
  color: #80868b;
}

.changelog-content {
  font-size: 15px;
  line-height: 1.7;
  color: #5f6368;
}

/* ── zh-cn Page Specific ── */
.seo-hero {
  background: linear-gradient(135deg, #e8f0fe 0%, #ffffff 100%);
  padding: 140px 0 80px;
}

.seo-hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  align-items: center;
  gap: 60px;
}

.seo-hero-text {
  flex: 1;
}

.seo-hero-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 500;
  color: #202124;
  line-height: 1.2;
  margin-bottom: 20px;
}

.seo-hero-desc {
  font-size: 18px;
  line-height: 1.8;
  color: #5f6368;
  margin-bottom: 32px;
}

.seo-hero-visual {
  flex: 0 0 45%;
}

.seo-hero-visual img {
  border-radius: 20px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.1);
}

@media (max-width: 1024px) {
  .seo-hero-inner {
    flex-direction: column;
    text-align: center;
  }
  .seo-hero-visual {
    flex: none;
    order: -1;
  }
  .seo-hero-visual img {
    max-width: 400px;
    margin: 0 auto;
  }
}

.article-section {
  max-width: 800px;
  margin: 0 auto;
  padding: 80px 48px;
}

@media (max-width: 768px) {
  .article-section {
    padding: 60px 20px;
  }
}

.article-section h2 {
  font-size: 28px;
  font-weight: 500;
  color: #202124;
  margin-bottom: 20px;
  margin-top: 48px;
}

.article-section h2:first-child {
  margin-top: 0;
}

.article-section p {
  font-size: 16px;
  line-height: 1.9;
  color: #5f6368;
  margin-bottom: 20px;
}

.article-section ul {
  margin-bottom: 20px;
  padding-left: 24px;
}

.article-section ul li {
  font-size: 16px;
  line-height: 1.9;
  color: #5f6368;
  margin-bottom: 8px;
}

.cta-section {
  background: linear-gradient(135deg, #1a73e8 0%, #4285f4 100%);
  padding: 80px 48px;
  text-align: center;
  color: #ffffff;
}

.cta-title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 500;
  margin-bottom: 16px;
}

.cta-desc {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Misc ── */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.badge-green {
  background: #e6f4ea;
  color: #34a853;
}

.badge-blue {
  background: #e8f0fe;
  color: #1a73e8;
}

.inline-icon {
  display: inline-flex;
  vertical-align: middle;
  margin-right: 4px;
}

/* ── Scroll Indicator ── */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: #80868b;
  font-size: 13px;
  animation: pulse 2s ease-in-out infinite;
}

/* ── Safety Badge ── */
.safety-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #e6f4ea;
  color: #34a853;
  padding: 10px 20px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 500;
}

/* ── Tips Grid ── */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

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

.tip-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 28px;
  border: 1px solid #e8eaed;
  transition: all 0.3s ease;
}

.tip-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  transform: translateY(-3px);
}

.tip-number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #e8f0fe;
  color: #1a73e8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 14px;
}

.tip-title {
  font-size: 18px;
  font-weight: 500;
  color: #202124;
  margin-bottom: 8px;
}

.tip-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #5f6368;
}