/* roulang page: index */
:root {
  --primary: #3E7CF8;
  --primary-hover: #2E64E0;
  --primary-active: #2550B3;
  --primary-light: #EAF1FE;
  --accent-purple: #7C5CFC;
  --accent-pink: #FF4E8A;
  --text-main: #17233D;
  --text-sub: #5C6B86;
  --text-weak: #8A97AD;
  --border: #E4EBF5;
  --bg-page: #FFFFFF;
  --bg-alt: #F5F8FD;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 6px 24px rgba(28, 55, 110, 0.08);
  --shadow-hover: 0 14px 36px rgba(28, 55, 110, 0.13);
  --transition: 0.25s ease;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: system-ui, -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-main);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
input, textarea {
  font-family: inherit;
  font-size: 0.95rem;
  border: 1px solid #D8E2F0;
  border-radius: var(--radius-sm);
  background: #F8FAFE;
  padding: 12px 16px;
  width: 100%;
  color: var(--text-main);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
input:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(62, 124, 248, 0.15);
}
textarea {
  resize: vertical;
  min-height: 120px;
}
::placeholder {
  color: var(--text-weak);
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: clamp(1.5rem, 2.4vw, 2.2rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
}
.section-head p {
  color: var(--text-sub);
  font-size: 1rem;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 15px;
  box-shadow: 0 4px 14px rgba(62, 124, 248, 0.3);
}
.logo-text {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.02em;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-sub);
  padding: 8px 2px;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.nav-link:hover {
  color: var(--primary);
  border-bottom-color: var(--primary-light);
}
.nav-link.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  line-height: 1.4;
  white-space: nowrap;
}
.btn-outline {
  border: 1.5px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline:hover {
  background: var(--primary-light);
  border-color: var(--primary-hover);
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 18px rgba(62, 124, 248, 0.25);
}
.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(62, 124, 248, 0.32);
}
.btn-primary:active {
  background: var(--primary-active);
  transform: translateY(0);
}
.btn-lg {
  padding: 14px 34px;
  font-size: 1rem;
  border-radius: 12px;
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: var(--bg-alt);
}
.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}
.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  padding: 96px 0 72px;
  background: linear-gradient(135deg, rgba(239, 245, 255, 0.94), rgba(249, 251, 255, 0.9)), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.hero::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 92, 252, 0.08), transparent 70%);
  top: -100px;
  right: -80px;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(62, 124, 248, 0.06), transparent 70%);
  bottom: -160px;
  left: -120px;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
}
.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--text-sub);
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.8;
}
.hero-search-wrap {
  max-width: 600px;
  margin: 0 auto 28px;
}
.hero-search {
  display: flex;
  gap: 0;
  background: #fff;
  border-radius: 999px;
  box-shadow: var(--shadow);
  padding: 6px 6px 6px 20px;
  align-items: center;
  border: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.hero-search:focus-within {
  box-shadow: 0 0 0 4px rgba(62, 124, 248, 0.12), var(--shadow);
  border-color: var(--primary);
}
.hero-search input {
  flex: 1;
  border: none;
  background: transparent;
  box-shadow: none;
  padding: 10px 0;
  font-size: 1rem;
}
.hero-search input:focus {
  border: none;
  box-shadow: none;
}
.hero-search .btn {
  border-radius: 999px;
  padding: 12px 28px;
  flex-shrink: 0;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
}
.hero-tags-label {
  color: var(--text-weak);
  font-size: 0.875rem;
  margin-right: 4px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-sub);
  transition: all var(--transition);
  box-shadow: 0 2px 8px rgba(28, 55, 110, 0.04);
}
.chip:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 4px 14px rgba(62, 124, 248, 0.12);
  transform: translateY(-1px);
}
.chip i {
  font-size: 0.75rem;
  color: var(--accent-pink);
}
.hero-trust {
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  color: var(--text-weak);
  font-size: 0.85rem;
}
.hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.hero-trust i {
  color: var(--primary);
  font-size: 0.8rem;
}

/* Features */
.features {
  padding: 96px 0;
  background: var(--bg-page);
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 30px;
  position: relative;
  transition: all var(--transition);
  box-shadow: 0 2px 10px rgba(28, 55, 110, 0.03);
}
.feature-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: transparent;
}
.feature-card:nth-child(2) {
  background: linear-gradient(160deg, #fff, var(--primary-light));
  border-color: transparent;
}
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.2rem;
  margin-bottom: 22px;
}
.feature-card:nth-child(2) .feature-icon {
  background: rgba(124, 92, 252, 0.12);
  color: var(--accent-purple);
}
.feature-card:nth-child(3) .feature-icon {
  background: rgba(255, 78, 138, 0.1);
  color: var(--accent-pink);
}
.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.feature-card p {
  color: var(--text-sub);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 18px;
}
.feature-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}
.feature-link:hover {
  gap: 12px;
  color: var(--primary-hover);
}

/* Stats */
.stats {
  padding: 80px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-wrap {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: center;
}
.stats-left h2 {
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 14px;
}
.stats-left p {
  color: var(--text-sub);
  font-size: 0.95rem;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.stat-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all var(--transition);
}
.stat-item:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.stat-bar {
  width: 3px;
  height: 46px;
  border-radius: 3px;
  background: var(--primary);
  flex-shrink: 0;
  margin-top: 4px;
}
.stat-item:nth-child(2) .stat-bar {
  background: var(--accent-purple);
}
.stat-item:nth-child(3) .stat-bar {
  background: var(--accent-pink);
}
.stat-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text-sub);
  margin-top: 4px;
  display: block;
}

/* Scenarios */
.scenarios {
  padding: 96px 0;
  background: var(--bg-page);
}
.scenario-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 64px;
}
.scenario-row:last-child {
  margin-bottom: 0;
}
.scenario-row.reverse .scenario-media {
  order: 2;
}
.scenario-media {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
  aspect-ratio: 16 / 10;
}
.scenario-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.scenario-media:hover img {
  transform: scale(1.04);
}
.scenario-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.1rem;
  box-shadow: 0 8px 30px rgba(28, 55, 110, 0.18);
  transition: all var(--transition);
}
.scenario-media:hover .scenario-play {
  background: var(--primary);
  color: #fff;
  transform: translate(-50%, -50%) scale(1.08);
}
.scenario-info {
  padding: 20px 0;
}
.scenario-info h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.scenario-info p {
  color: var(--text-sub);
  font-size: 0.95rem;
  margin-bottom: 20px;
  line-height: 1.8;
}
.scenario-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--text-sub);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
}
.tag i {
  font-size: 0.7rem;
  color: var(--accent-pink);
}

/* Testimonials */
.testimonials {
  padding: 96px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  border: 1px solid transparent;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.testimonial-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.testimonial-stars {
  color: #FFB020;
  font-size: 0.85rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.testimonial-card blockquote {
  font-size: 0.95rem;
  color: var(--text-main);
  line-height: 1.85;
  margin-bottom: 24px;
  flex: 1;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  flex-shrink: 0;
}
.author-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
}
.author-title {
  font-size: 0.8rem;
  color: var(--text-weak);
}

/* News */
.news {
  padding: 96px 0;
  background: var(--bg-page);
}
.news-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: start;
}
.news-list {
  display: flex;
  flex-direction: column;
}
.news-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
  border-radius: 8px;
  padding-left: 12px;
  padding-right: 12px;
}
.news-item:hover {
  background: var(--bg-alt);
  padding-left: 18px;
}
.news-item:hover .news-title {
  color: var(--primary);
}
.news-item::before {
  content: '\f0a9';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--primary);
  font-size: 0.9rem;
  flex-shrink: 0;
}
.news-title {
  flex: 1;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-main);
  transition: color var(--transition);
  line-height: 1.6;
}
.news-date {
  font-size: 0.8125rem;
  color: var(--text-weak);
  flex-shrink: 0;
}
.news-side {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: sticky;
  top: 96px;
}
.news-side h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.news-side h3 i {
  color: var(--accent-pink);
  font-size: 1rem;
}
.side-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}
.side-item:last-child {
  border-bottom: none;
}
.side-item:hover .side-title {
  color: var(--primary);
}
.side-thumb {
  width: 72px;
  height: 48px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--primary-light);
}
.side-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.side-title {
  font-size: 0.875rem;
  color: var(--text-sub);
  line-height: 1.5;
  transition: color var(--transition);
}
.side-meta {
  font-size: 0.75rem;
  color: var(--text-weak);
  margin-top: 2px;
}

/* FAQ */
.faq {
  padding: 96px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.faq-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 56px;
  align-items: start;
}
.faq-left {
  position: sticky;
  top: 96px;
}
.faq-left h2 {
  font-size: clamp(1.5rem, 2.4vw, 2.2rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 14px;
}
.faq-left p {
  color: var(--text-sub);
  font-size: 0.95rem;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow);
}
.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
  color: var(--text-main);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary:hover {
  background: #F5F8FD;
}
.faq-item summary .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 400;
  flex-shrink: 0;
  transition: all 0.25s ease;
}
.faq-item[open] summary {
  color: var(--primary);
  border-bottom: 1px solid var(--border);
}
.faq-item[open] summary .faq-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(45deg);
  border-radius: 50%;
}
.faq-item .faq-answer {
  padding: 20px 24px;
  color: var(--text-sub);
  font-size: 0.92rem;
  line-height: 1.85;
}
.faq-item .faq-answer p {
  margin: 0;
}

/* Contact */
.contact {
  padding: 96px 0;
  background: linear-gradient(135deg, #F0F6FF, #F9FBFF);
}
.contact-card {
  background: #fff;
  border-radius: calc(var(--radius) + 6px);
  box-shadow: var(--shadow-hover);
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  border: 1px solid var(--border);
}
.contact-info {
  padding: 48px 44px;
  background: linear-gradient(150deg, var(--primary-light), #F5F0FF);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.contact-info h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
}
.contact-info > p {
  color: var(--text-sub);
  font-size: 0.95rem;
  margin-bottom: 28px;
}
.contact-method {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.method-item {
  display: flex;
  align-items: center;
  gap: 14px;
}
.method-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1rem;
  box-shadow: 0 4px 12px rgba(62, 124, 248, 0.08);
  flex-shrink: 0;
}
.method-label {
  font-size: 0.8rem;
  color: var(--text-weak);
}
.method-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
}
.contact-response {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(62, 124, 248, 0.15);
  font-size: 0.875rem;
  color: var(--text-sub);
  display: flex;
  align-items: center;
  gap: 8px;
}
.contact-response i {
  color: var(--accent-pink);
}
.contact-form-wrap {
  padding: 48px 44px;
}
.contact-form-wrap h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.contact-form-wrap > p {
  color: var(--text-sub);
  font-size: 0.9rem;
  margin-bottom: 24px;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.form-field label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 6px;
  display: block;
}
.contact-form .btn {
  width: 100%;
  margin-top: 6px;
  justify-content: center;
}

/* Footer */
.site-footer {
  background: #101C38;
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .logo {
  margin-bottom: 14px;
}
.footer-brand .logo-text {
  color: #fff;
}
.footer-brand .logo-mark {
  background: linear-gradient(135deg, var(--primary), var(--accent-pink));
}
.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
}
.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
  transition: all var(--transition);
}
.footer-social a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 18px;
}
.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
  padding: 6px 0;
  transition: all var(--transition);
}
.footer-col a:hover {
  color: #fff;
  padding-left: 6px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

/* Back to top */
.back-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  box-shadow: 0 8px 24px rgba(62, 124, 248, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  z-index: 50;
}
.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-top:hover {
  background: var(--primary-hover);
  transform: translateY(-3px);
}

@media (min-width: 1200px) and (max-width: 1400px) {
  .container { max-width: 1160px; }
}

@media (max-width: 991px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-card:last-child {
    grid-column: 1 / -1;
  }
  .stats-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .scenario-row {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .scenario-row.reverse .scenario-media {
    order: 0;
  }
  .testimonial-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .news-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .news-side {
    position: static;
  }
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .faq-left {
    position: static;
  }
  .contact-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .nav-toggle {
    display: flex;
  }
  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 16px 24px;
    box-shadow: 0 16px 32px rgba(28, 55, 110, 0.1);
    display: none;
    border-bottom: 1px solid var(--border);
    z-index: 99;
  }
  .nav-open .main-nav {
    display: flex;
  }
  .main-nav .nav-link {
    padding: 14px 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
  }
  .main-nav .nav-link.active {
    border-bottom: 1px solid var(--border);
    color: var(--primary);
  }
  .nav-cta {
    padding: 16px 24px;
    background: #fff;
    border-top: 1px solid var(--border);
  }
  .nav-cta .btn {
    flex: 1;
  }
  .header-inner {
    height: 64px;
  }
  .hero {
    padding: 64px 0 48px;
  }
  .hero h1 {
    font-size: 1.8rem;
  }
  .hero-sub {
    font-size: 0.95rem;
  }
  .hero-search {
    flex-direction: column;
    border-radius: 16px;
    padding: 12px;
    gap: 8px;
    align-items: stretch;
  }
  .hero-search input {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
  }
  .hero-search .btn {
    width: 100%;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .feature-card:last-child {
    grid-column: auto;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .stat-item {
    padding: 20px 16px;
    gap: 10px;
  }
  .stat-num {
    font-size: 1.5rem;
  }
  .stat-bar {
    height: 36px;
  }
  .scenario-info h3 {
    font-size: 1.2rem;
  }
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
  .testimonial-card {
    padding: 24px 20px;
  }
  .news-item {
    flex-wrap: wrap;
    gap: 10px;
  }
  .news-date {
    width: 100%;
    padding-left: 24px;
  }
  .contact-info,
  .contact-form-wrap {
    padding: 32px 24px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .back-top {
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .hero h1 {
    font-size: 1.6rem;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .hero-tags {
    gap: 8px;
  }
  .section-head {
    margin-bottom: 32px;
  }
}

/* roulang page: category1 */
:root {
    --primary: #3E7CF8;
    --primary-hover: #2E64E0;
    --primary-active: #2550B3;
    --primary-light: #EAF1FE;
    --accent-purple: #7C5CFC;
    --accent-pink: #FF4E8A;
    --text-main: #17233D;
    --text-sub: #5C6B86;
    --text-weak: #8A97AD;
    --border: #E4EBF5;
    --bg-page: #FFFFFF;
    --bg-alt: #F5F8FD;
    --radius: 14px;
    --radius-sm: 10px;
    --shadow: 0 6px 24px rgba(28, 55, 110, 0.08);
    --shadow-hover: 0 14px 36px rgba(28, 55, 110, 0.13);
    --transition: 0.25s ease;
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: system-ui, -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-main);
    background: var(--bg-page);
    -webkit-font-smoothing: antialiased;
}
img {
    max-width: 100%;
    display: block;
    border: none;
}
a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}
ul, ol {
    list-style: none;
}
input, textarea {
    font-family: inherit;
    font-size: 0.95rem;
    border: 1px solid #D8E2F0;
    border-radius: var(--radius-sm);
    background: #F8FAFE;
    padding: 12px 16px;
    width: 100%;
    color: var(--text-main);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}
input:focus, textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(62, 124, 248, 0.15);
}
textarea {
    resize: vertical;
    min-height: 120px;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.section-head {
    max-width: 720px;
    margin-bottom: 48px;
}
.section-head h2 {
    font-size: clamp(1.5rem, 2.4vw, 2.2rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 12px;
}
.section-head p {
    color: var(--text-sub);
    font-size: 1rem;
}
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.8125rem;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 999px;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}
/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.logo-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 15px;
    box-shadow: 0 4px 14px rgba(62, 124, 248, 0.3);
}
.logo-text {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: 0.02em;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-sub);
    padding: 8px 2px;
    border-bottom: 2px solid transparent;
    transition: color var(--transition), border-color var(--transition);
}
.nav-link:hover {
    color: var(--primary);
    border-bottom-color: var(--primary-light);
}
.nav-link.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}
.nav-cta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 10px 22px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    line-height: 1.4;
    white-space: nowrap;
}
.btn-outline {
    border: 1.5px solid var(--primary);
    color: var(--primary);
    background: transparent;
}
.btn-outline:hover {
    background: var(--primary-light);
    border-color: var(--primary-hover);
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 6px 18px rgba(62, 124, 248, 0.25);
}
.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(62, 124, 248, 0.32);
}
.btn-primary:active {
    background: var(--primary-active);
    transform: translateY(0);
}
.btn-lg {
    padding: 14px 34px;
    font-size: 1rem;
    border-radius: 12px;
}
.btn-light {
    background: #fff;
    color: var(--primary);
    border: 1.5px solid #fff;
}
.btn-light:hover {
    background: var(--primary-light);
    border-color: var(--primary-light);
    transform: translateY(-2px);
}
.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    background: var(--bg-alt);
}
.nav-toggle span {
    width: 20px;
    height: 2px;
    background: var(--text-main);
    border-radius: 2px;
    transition: all var(--transition);
}
.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
}
.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}
/* Mobile drawer */
.mobile-drawer {
    display: none;
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: #fff;
    z-index: 200;
    padding: 24px;
    box-shadow: -10px 0 40px rgba(28, 55, 110, 0.12);
    flex-direction: column;
    transition: right 0.35s ease;
}
.mobile-drawer.open {
    right: 0;
}
.mobile-drawer .nav-link {
    display: block;
    padding: 14px 0;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--border);
}
.mobile-drawer .nav-link.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}
.mobile-drawer .drawer-cta {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.drawer-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(23, 35, 61, 0.45);
    z-index: 150;
}
.drawer-backdrop.show {
    display: block;
}
/* Page Banner */
.category-banner {
    position: relative;
    min-height: 280px;
    display: flex;
    align-items: center;
    background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
    isolation: isolate;
}
.category-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(16, 28, 54, 0.82), rgba(16, 28, 54, 0.48));
    z-index: -1;
}
.category-banner .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding-top: 56px;
    padding-bottom: 56px;
}
.banner-title {
    color: #fff;
    max-width: 560px;
}
.banner-title h1 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: 0.04em;
    margin-bottom: 14px;
}
.banner-title p {
    color: rgba(255, 255, 255, 0.82);
    font-size: 1rem;
    line-height: 1.8;
}
.banner-crumb {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.875rem;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    padding: 8px 18px;
    backdrop-filter: blur(6px);
}
.banner-crumb a {
    color: #fff;
}
.banner-crumb a:hover {
    color: var(--accent-pink);
}
.banner-crumb i {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
}
/* Filter chips */
.filter-bar {
    padding: 32px 0 8px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-page);
}
.chips-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 36px;
    padding: 0 16px;
    border-radius: 999px;
    background: var(--bg-alt);
    color: var(--text-sub);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid transparent;
    transition: all var(--transition);
    cursor: pointer;
}
.chip:hover {
    color: var(--primary);
    background: var(--primary-light);
    border-color: var(--primary-light);
}
.chip.active {
    background: var(--primary);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(62, 124, 248, 0.25);
}
.chip:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}
.chip i {
    font-size: 0.8rem;
}
/* Video Grid */
.video-main {
    padding: 48px 0 64px;
    background: var(--bg-page);
}
.video-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.video-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: transform var(--transition), box-shadow var(--transition);
}
.video-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.video-thumb {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}
.video-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.video-card:hover .video-thumb img {
    transform: scale(1.05);
}
.video-thumb .play-mask {
    position: absolute;
    inset: 0;
    background: rgba(23, 35, 61, 0);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}
.video-card:hover .play-mask {
    background: rgba(23, 35, 61, 0.45);
}
.play-mask i {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transform: scale(0.8);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
.video-card:hover .play-mask i {
    transform: scale(1);
    opacity: 1;
}
.duration-badge {
    position: absolute;
    right: 10px;
    bottom: 10px;
    background: rgba(23, 35, 61, 0.75);
    color: #fff;
    font-size: 0.75rem;
    padding: 2px 10px;
    border-radius: 999px;
    letter-spacing: 0.03em;
    backdrop-filter: blur(4px);
}
.video-info {
    padding: 16px 16px 14px;
}
.video-info h3 {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.45;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 46px;
}
.video-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--text-weak);
    font-size: 0.8125rem;
}
.video-meta span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.video-meta i {
    color: var(--primary);
    font-size: 0.75rem;
}
/* Hot Section */
.hot-section {
    background: var(--bg-alt);
    padding: 64px 0;
}
.hot-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.hot-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: #fff;
    border-radius: var(--radius);
    padding: 12px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}
.hot-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}
.hot-thumb {
    width: 120px;
    height: 68px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
}
.hot-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hot-thumb .play-mini {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(23, 35, 61, 0.28);
    color: #fff;
    font-size: 0.8rem;
    opacity: 0;
    transition: opacity var(--transition);
}
.hot-card:hover .play-mini {
    opacity: 1;
}
.hot-info {
    flex: 1;
    min-width: 0;
}
.hot-info h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 6px;
}
.hot-info p {
    color: var(--text-weak);
    font-size: 0.8125rem;
    display: flex;
    align-items: center;
    gap: 5px;
}
.hot-info p i {
    color: var(--accent-pink);
}
/* Pagination */
.pagination-wrap {
    padding: 36px 0 0;
    display: flex;
    justify-content: center;
}
.pagination {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}
.page-link {
    min-width: 40px;
    height: 40px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-sub);
    background: #fff;
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.page-link:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary-light);
}
.page-link.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(62, 124, 248, 0.25);
}
.page-link.prev, .page-link.next {
    padding: 0 16px;
    gap: 6px;
}
.page-link:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}
/* CTA strip */
.cta-strip {
    padding: 72px 0;
    background: linear-gradient(135deg, #EFF5FF, #F9FBFF);
}
.cta-strip-inner {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}
.cta-strip h2 {
    font-size: clamp(1.5rem, 2.4vw, 2.2rem);
    font-weight: 700;
    margin-bottom: 14px;
    line-height: 1.3;
}
.cta-strip p {
    color: var(--text-sub);
    margin-bottom: 32px;
    font-size: 1rem;
}
.cta-btns {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}
/* Footer */
.site-footer {
    background: #101C36;
    color: rgba(255, 255, 255, 0.8);
    padding: 64px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.site-footer .logo-text {
    color: #fff;
}
.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin: 16px 0 20px;
    max-width: 320px;
    line-height: 1.8;
}
.footer-social {
    display: flex;
    gap: 10px;
}
.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition);
}
.footer-social a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}
.footer-col h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 18px;
}
.footer-col a {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    padding: 6px 0;
    transition: color var(--transition), padding-left var(--transition);
}
.footer-col a:hover {
    color: #fff;
    padding-left: 6px;
}
.footer-bottom {
    padding: 20px 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.8125rem;
}
/* Responsive */
@media (max-width: 1200px) {
    .video-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
}
@media (max-width: 991px) {
    .container {
        padding: 0 20px;
    }
    .main-nav {
        gap: 20px;
    }
    .category-banner .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    .banner-crumb {
        align-self: flex-start;
    }
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .hot-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}
@media (max-width: 767px) {
    .site-header .header-inner {
        height: 64px;
    }
    .main-nav {
        display: none;
    }
    .nav-cta {
        display: none;
    }
    .nav-toggle {
        display: flex;
    }
    .mobile-drawer {
        display: flex;
    }
    .hero {
        padding: 64px 0 48px;
    }
    .video-grid {
        grid-template-columns: 1fr;
    }
    .video-info h3 {
        min-height: auto;
    }
    .cta-strip {
        padding: 48px 0;
    }
    .cta-btns .btn {
        width: 100%;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .category-banner {
        min-height: 240px;
    }
    .category-banner .container {
        padding-top: 40px;
        padding-bottom: 40px;
    }
}