/* roulang page: index */
:root {
  --primary: #FF3D5A;
  --primary-hover: #E3344F;
  --ink: #111827;
  --bg: #F8F7F4;
  --card: #FFFFFF;
  --text-main: #1F2328;
  --text-muted: #6B7280;
  --border: #E7E5E0;
  --positive: #12B76A;
  --pink-bg: #FFF0F3;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-hover: 0 12px 32px -12px rgba(16, 24, 40, 0.15);
  --shadow-sticky: 0 4px 16px rgba(16, 24, 40, 0.08);
  --transition: 0.25s cubic-bezier(0.2, 0, 0, 1);
  --container-max: 1200px;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
  min-height: 100vh;
}
img {
  max-width: 100%;
  display: block;
  background: var(--border);
}
a {
  text-decoration: none;
  color: inherit;
}
button {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}
input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: clamp(16px, 4vw, 32px);
  padding-right: clamp(16px, 4vw, 32px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  border: 1px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  filter: brightness(0.95);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  color: #fff;
}
.btn-primary:active {
  transform: translateY(0);
  filter: brightness(0.92);
}
.btn-primary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(255, 61, 90, 0.25);
}
.btn-secondary {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-secondary:hover {
  background: var(--pink-bg);
}
.btn-secondary:active {
  background: #FDE0E6;
}
.btn-secondary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(255, 61, 90, 0.15);
}
.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.site-header.is-scrolled {
  box-shadow: var(--shadow-sticky);
  border-bottom-color: rgba(17, 24, 39, 0.08);
}
.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 64px;
}
.brand-logo {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  line-height: 1.2;
}
.brand-num {
  color: var(--primary);
}
.brand-text {
  color: var(--ink);
}
.header-search {
  flex: 0 1 460px;
  display: flex;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 0 16px;
  height: 44px;
  transition: var(--transition);
  min-width: 0;
}
.header-search:hover {
  border-color: #D2D5DA;
}
.header-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 61, 90, 0.12);
}
.header-search svg {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  flex-shrink: 0;
}
.header-search input {
  border: none;
  outline: none;
  width: 100%;
  padding-left: 10px;
  font-size: 14px;
  background: transparent;
  color: var(--text-main);
}
.header-search input::placeholder {
  color: #9CA3AF;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.search-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--ink);
  transition: var(--transition);
}
.search-toggle:hover {
  background: var(--border);
}
.search-toggle:active {
  background: #D9D8D4;
}
.search-toggle:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(255, 61, 90, 0.2);
}
.search-toggle svg {
  width: 20px;
  height: 20px;
}
.header-tabs {
  border-top: 1px solid var(--border);
  background: var(--bg);
  box-shadow: inset 0 -4px 0 rgba(17, 24, 39, 0.04);
}
.tabs-scroll {
  display: flex;
  gap: 8px;
  align-items: center;
  overflow-x: auto;
  padding-top: 8px;
  padding-bottom: 10px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.tabs-scroll::-webkit-scrollbar {
  display: none;
}
.tab-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  border: 1px solid transparent;
  transition: var(--transition);
  min-height: 38px;
  cursor: pointer;
}
.tab-pill:hover {
  background: var(--pink-bg);
  color: var(--primary);
}
.tab-pill:active {
  background: #FDE0E6;
}
.tab-pill:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(255, 61, 90, 0.2);
}
.tab-pill.active {
  background: var(--ink);
  color: #fff;
}
.tab-pill.category-link {
  border-color: var(--primary);
  color: var(--primary);
}
.tab-pill.category-link:hover {
  background: var(--primary);
  color: #fff;
}
.mobile-search-layer {
  max-height: 0;
  overflow: hidden;
  background: var(--card);
  border-bottom: 1px solid transparent;
  transition: max-height 0.3s ease, border-color 0.3s ease;
}
.mobile-search-layer.is-open {
  max-height: 80px;
  border-bottom-color: var(--border);
}
.mobile-search-layer-inner {
  padding: 10px 16px;
}
.mobile-search-layer .header-search {
  width: 100%;
  flex: 1 1 auto;
}

.hero {
  position: relative;
  background: var(--ink);
  color: #fff;
  overflow: hidden;
  padding: clamp(64px, 8vw, 120px) 0;
  min-height: 560px;
  display: flex;
  align-items: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(17, 24, 39, 0.68);
  z-index: 1;
}
.hero .container {
  position: relative;
  z-index: 2;
}
.hero-inner {
  align-items: center;
}
.hero h1 {
  font-size: clamp(36px, 5vw, 68px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
}
.hero-sub {
  font-size: clamp(16px, 1.8vw, 20px);
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.88);
  max-width: 500px;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}
.hero-meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0;
}
.hero-meta li {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}
.hero-visual {
  position: relative;
  padding: 16px 0;
}
.hero-cover {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  transform: rotate(2deg);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.3);
  transition: var(--transition);
  background: var(--card);
}
.hero-cover:hover {
  transform: rotate(0deg) scale(1.01);
}
.hero-cover img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.hero-cover-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(255, 61, 90, 0.35);
}
.hero-cover-caption {
  position: absolute;
  left: 16px;
  bottom: 16px;
  right: 16px;
  background: rgba(17, 24, 39, 0.72);
  color: #fff;
  font-size: 13px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(4px);
  text-align: center;
}

.features {
  padding: clamp(72px, 8vw, 120px) 0;
}
.section-head {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 48px;
}
.section-num {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
  padding-bottom: 4px;
  letter-spacing: 0.1em;
  flex-shrink: 0;
  line-height: 1.2;
}
.section-head-content {
  flex: 1;
}
.section-head-content h2 {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.section-head-content p {
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.75;
  font-size: 15px;
}
.features-grid {
  gap: 24px;
  align-items: stretch;
}
.features-col {
  display: flex;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  width: 100%;
  display: flex;
  flex-direction: column;
}
.feature-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.feature-card:focus-within {
  box-shadow: 0 0 0 4px rgba(255, 61, 90, 0.15);
}
.feature-card-highlight {
  background: var(--pink-bg);
  border-color: #F8D4DC;
  transform: translateY(-12px);
  box-shadow: 0 8px 24px rgba(255, 61, 90, 0.08);
}
.feature-card-highlight:hover {
  transform: translateY(-16px);
  box-shadow: 0 16px 40px rgba(255, 61, 90, 0.14);
}
.feature-icon {
  width: 48px;
  height: 48px;
  color: var(--primary);
  margin-bottom: 20px;
  flex-shrink: 0;
}
.feature-icon svg {
  width: 100%;
  height: 100%;
}
.feature-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.4;
}
.feature-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.75;
}

.scenario {
  background: #F2F1ED;
  padding: clamp(72px, 8vw, 120px) 0;
}
.scenario-inner {
  align-items: center;
}
.scenario-visual {
  position: relative;
  padding: 20px 0;
}
.scenario-thumb {
  border-radius: var(--radius-md);
  margin-bottom: 0;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.scenario-thumb img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.scenario-float {
  position: absolute;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  box-shadow: var(--shadow-hover);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}
.scenario-float .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--positive);
  flex-shrink: 0;
}
.scenario-float-1 {
  top: 32px;
  left: -16px;
}
.scenario-float-2 {
  bottom: 32px;
  right: -12px;
}
.scenario-content {
  padding-left: 32px;
}
.scenario-content .section-num {
  margin-bottom: 16px;
  display: inline-block;
}
.scenario-content h2 {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 28px;
}
.scenario-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.scenario-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.scenario-item .step-num {
  font-size: 14px;
  font-weight: 800;
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
  padding-bottom: 2px;
  flex-shrink: 0;
  line-height: 1.4;
}
.scenario-item .step-text {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-main);
}
.scenario-item .step-text strong {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
}

.proof {
  padding: clamp(72px, 8vw, 120px) 0;
}
.proof-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.proof-stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 30px 16px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.proof-stat:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.proof-stat .stat-num {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 6px;
}
.proof-stat .stat-label {
  font-size: 14px;
  color: var(--text-muted);
}
.proof-quotes {
  gap: 24px;
}
.quote-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.quote-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.quote-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--pink-bg);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 16px;
  flex-shrink: 0;
}
.quote-card blockquote {
  flex: 1;
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-main);
  border: none;
  padding: 0;
  position: relative;
}
.quote-card blockquote::before {
  content: '“';
  font-size: 40px;
  color: var(--primary);
  opacity: 0.3;
  line-height: 1;
  margin-right: 4px;
}
.quote-card cite {
  font-style: normal;
  font-size: 14px;
  color: var(--text-muted);
  text-align: right;
}

.news {
  padding: clamp(72px, 8vw, 120px) 0;
  background: var(--bg);
}
.news-grid {
  gap: 32px;
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.news-item {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), padding var(--transition);
  border-radius: 4px;
}
.news-item:hover {
  background: var(--card);
  padding-left: 12px;
  padding-right: 12px;
}
.news-item:active {
  background: var(--pink-bg);
}
.news-item .news-date {
  font-size: 13px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
  width: 44px;
  font-weight: 600;
}
.news-item h3 {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-main);
  line-height: 1.6;
  transition: color var(--transition);
}
.news-item:hover h3 {
  color: var(--primary);
}
.news-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.side-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.side-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.side-card a {
  display: block;
  font-size: 14px;
  color: var(--text-main);
  padding: 8px 0;
  transition: color var(--transition), transform var(--transition);
  border-radius: 6px;
}
.side-card a:hover {
  color: var(--primary);
  transform: translateX(4px);
}
.side-card a:active {
  color: var(--primary-hover);
}
.side-card a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(255, 61, 90, 0.15);
}

.faq {
  padding: clamp(72px, 8vw, 120px) 0;
  background: var(--bg);
}
.faq .container {
  max-width: 860px;
}
.faq .section-head {
  justify-content: center;
  text-align: center;
}
.faq .section-head-content {
  text-align: left;
}
.accordion {
  margin-top: 16px;
  background: transparent;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}
.accordion-item {
  background: var(--card);
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  margin-bottom: 12px;
  overflow: hidden;
}
.accordion-item .accordion-title {
  font-size: 16px !important;
  font-weight: 600 !important;
  padding: 16px 20px !important;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-main) !important;
  background: var(--card) !important;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), background var(--transition);
  line-height: 1.5;
}
.accordion-item .accordion-title:hover {
  color: var(--primary) !important;
  background: #FDFBFA !important;
}
.accordion-item .accordion-title:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 4px rgba(255, 61, 90, 0.15);
}
.accordion-item .accordion-title::after {
  content: '+';
  font-size: 24px;
  font-weight: 400;
  color: var(--primary);
  margin-left: 16px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}
.accordion-item.is-active .accordion-title {
  border-bottom-color: var(--border);
}
.accordion-item.is-active .accordion-title::after {
  transform: rotate(45deg);
}
.accordion-item .accordion-content {
  padding: 0 20px !important;
  color: var(--text-muted);
  line-height: 1.75;
  font-size: 15px;
  border-top: 1px solid var(--border);
}
.accordion-item .accordion-content p {
  padding: 16px 0 20px;
  margin: 0;
}

.cta-block {
  background: var(--ink);
  color: #fff;
  padding: clamp(72px, 8vw, 120px) 0;
  text-align: center;
}
.cta-inner {
  max-width: 720px;
}
.cta-block h2 {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
}
.cta-block p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 16px;
  margin-bottom: 36px;
  line-height: 1.75;
}

.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.65);
  padding: 64px 0 0;
}
.footer-grid {
  padding-bottom: 48px;
  gap: 32px;
}
.footer-brand .brand-logo {
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand .brand-text {
  color: #fff;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  max-width: 280px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  padding: 6px 0;
  transition: color var(--transition), transform var(--transition);
  border-radius: 4px;
}
.footer-col a:hover {
  color: var(--primary);
  transform: translateX(4px);
}
.footer-col a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(255, 61, 90, 0.25);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  text-align: center;
}

.sticky-cta {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%) translateY(100px);
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 8px 8px 22px;
  z-index: 800;
  max-width: calc(100vw - 32px);
  transition: transform 0.4s cubic-bezier(0.2, 0, 0, 1);
  font-size: 14px;
  line-height: 1.5;
  opacity: 0;
  pointer-events: none;
}
.sticky-cta.is-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.sticky-cta.is-hidden {
  transform: translateX(-50%) translateY(140px);
  opacity: 0;
  pointer-events: none;
}
.sticky-cta .sticky-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sticky-cta .btn {
  min-height: 40px;
  padding: 6px 20px;
  font-size: 14px;
  flex-shrink: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media screen and (max-width: 1024px) {
  .hero h1 {
    font-size: 44px;
  }
  .hero-visual {
    padding: 0;
  }
  .scenario-content {
    padding-left: 0;
    margin-top: 32px;
  }
  .scenario-float-1 {
    left: 8px;
  }
  .scenario-float-2 {
    right: 8px;
  }
  .footer-grid .cell {
    margin-bottom: 32px;
  }
}

@media screen and (max-width: 768px) {
  .proof-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .features-col {
    margin-bottom: 24px;
  }
  .features-grid .cell:last-child {
    margin-bottom: 0;
  }
  .header-search {
    display: none;
  }
  .search-toggle {
    display: flex;
  }
  .hero-sub {
    font-size: 17px;
  }
  .news-item {
    gap: 12px;
  }
  .news-item .news-date {
    width: 40px;
  }
}

@media screen and (max-width: 640px) {
  .header-top-inner {
    min-height: 60px;
  }
  .header-actions .btn {
    padding: 8px 16px;
    font-size: 14px;
    min-height: 40px;
  }
  .hero {
    padding: 56px 0;
    min-height: 0;
    text-align: center;
  }
  .hero h1 {
    font-size: 36px;
  }
  .hero-sub {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-meta {
    justify-content: center;
  }
  .hero-visual {
    margin-top: 40px;
  }
  .hero-cover {
    transform: none;
    max-width: 420px;
    margin: 0 auto;
  }
  .feature-card-highlight {
    transform: none;
  }
  .feature-card-highlight:hover {
    transform: translateY(-4px);
  }
  .scenario-float-1 {
    top: 12px;
  }
  .scenario-float-2 {
    bottom: 12px;
  }
  .scenario-item {
    gap: 14px;
  }
  .side-card {
    padding: 20px;
  }
  .sticky-cta {
    border-radius: 18px;
    padding: 8px 8px 8px 16px;
    gap: 10px;
    max-width: calc(100vw - 24px);
  }
  .sticky-cta .sticky-text {
    max-width: 62vw;
  }
  .sticky-cta .btn {
    padding: 6px 14px;
    font-size: 13px;
  }
  .section-head {
    gap: 14px;
    flex-direction: column;
  }
  .section-num {
    margin-bottom: 4px;
  }
  .quote-card {
    padding: 22px;
  }
  .footer-grid .cell {
    margin-bottom: 28px;
  }
  .footer-grid .cell:last-child {
    margin-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  .btn:hover,
  .feature-card:hover,
  .proof-stat:hover,
  .quote-card:hover,
  .hero-cover:hover {
    transform: none;
  }
}

/* roulang page: category1 */
:root {
  --primary: #FF3D5A;
  --primary-hover: #E3344F;
  --ink: #111827;
  --bg: #F8F7F4;
  --card: #FFFFFF;
  --text-main: #1F2328;
  --text-muted: #6B7280;
  --border: #E7E5E0;
  --positive: #12B76A;
  --pink-bg: #FFF0F3;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-hover: 0 12px 32px -12px rgba(16, 24, 40, 0.15);
  --shadow-sticky: 0 4px 16px rgba(16, 24, 40, 0.08);
  --transition: 0.25s cubic-bezier(0.2, 0, 0, 1);
  --container-max: 1200px;
}
*, *::before, *::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
  background: var(--border);
}
a {
  text-decoration: none;
  color: inherit;
}
button {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}
input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: clamp(16px, 4vw, 32px);
  padding-right: clamp(16px, 4vw, 32px);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  border: 1px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  filter: brightness(0.95);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  color: #fff;
}
.btn-primary:active {
  transform: translateY(0);
  filter: brightness(0.92);
}
.btn-primary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(255, 61, 90, 0.25);
}
.btn-secondary {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-secondary:hover {
  background: var(--pink-bg);
}
.btn-secondary:active {
  background: #FDE0E6;
}
.btn-secondary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(255, 61, 90, 0.15);
}
.site-header {
  position: sticky;
  top: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.site-header.is-scrolled {
  box-shadow: var(--shadow-sticky);
  border-bottom-color: rgba(17, 24, 39, 0.08);
}
.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 64px;
}
.brand-logo {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  line-height: 1.2;
}
.brand-num {
  color: var(--primary);
}
.brand-text {
  color: var(--ink);
}
.header-search {
  flex: 0 1 460px;
  display: flex;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 0 16px;
  height: 44px;
  transition: var(--transition);
  min-width: 0;
}
.header-search:hover {
  border-color: #D2D5DA;
}
.header-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 61, 90, 0.12);
}
.header-search svg {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  flex-shrink: 0;
}
.header-search input {
  border: none;
  outline: none;
  width: 100%;
  padding-left: 10px;
  font-size: 14px;
  background: transparent;
  color: var(--text-main);
}
.header-search input::placeholder {
  color: #9CA3AF;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.search-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--ink);
  transition: var(--transition);
}
.search-toggle:hover {
  background: var(--border);
}
.search-toggle:active {
  background: #D9D8D4;
}
.search-toggle:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(255, 61, 90, 0.2);
}
.search-toggle svg {
  width: 20px;
  height: 20px;
}
.header-tabs {
  border-top: 1px solid var(--border);
  background: var(--bg);
  box-shadow: inset 0 -4px 0 rgba(17, 24, 39, 0.04);
}
.tabs-scroll {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding-top: 6px;
  padding-bottom: 6px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}
.tabs-scroll::-webkit-scrollbar {
  height: 4px;
}
.tabs-scroll::-webkit-scrollbar-thumb {
  background: #D9D8D4;
  border-radius: 999px;
}
.tab-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  border: 1px solid transparent;
  transition: var(--transition);
  min-height: 38px;
  cursor: pointer;
  flex-shrink: 0;
}
.tab-pill:hover {
  background: var(--pink-bg);
  color: var(--primary);
}
.tab-pill:active {
  background: #FDE0E6;
}
.tab-pill:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(255, 61, 90, 0.2);
}
.tab-pill.active {
  background: var(--ink);
  color: #fff;
}
.tab-pill.category-link {
  border-color: var(--primary);
  color: var(--primary);
}
.tab-pill.category-link:hover {
  background: var(--primary);
  color: #fff;
}
.tab-pill.category-link.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.mobile-search-layer {
  max-height: 0;
  overflow: hidden;
  background: var(--card);
  border-bottom: 1px solid transparent;
  transition: max-height 0.3s ease, border-color 0.3s ease;
}
.mobile-search-layer.is-open {
  max-height: 80px;
  border-bottom-color: var(--border);
}
.mobile-search-layer-inner {
  padding: 10px 16px;
}
.mobile-search-layer .header-search {
  width: 100%;
  flex: 1 1 auto;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.breadcrumb a {
  color: var(--text-muted);
  transition: color var(--transition);
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb .separator {
  color: #9CA3AF;
}
.breadcrumb .current {
  color: var(--text-main);
  font-weight: 500;
}
.category-hero {
  padding: clamp(44px, 6vw, 72px) 0 clamp(28px, 4vw, 40px);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.category-hero-grid {
  align-items: flex-end;
}
.category-hero-eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.category-hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.category-hero h1 {
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 14px;
}
.category-hero-desc {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 0;
}
.sort-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-sm);
}
.sort-box label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.sort-select {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 38px 0 14px;
  font-size: 14px;
  color: var(--text-main);
  background-color: var(--card);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%236B7280'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  transition: var(--transition);
  cursor: pointer;
}
.sort-select:hover {
  border-color: #D2D5DA;
}
.sort-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 61, 90, 0.12);
}
.filter-bar {
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}
.filter-scroll {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}
.filter-scroll::-webkit-scrollbar {
  height: 4px;
}
.filter-scroll::-webkit-scrollbar-thumb {
  background: #E7E5E0;
  border-radius: 999px;
}
.filter-scroll::-webkit-scrollbar-track {
  background: var(--bg);
}
.filter-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg);
  border: 1px solid var(--border);
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
  flex-shrink: 0;
}
.filter-pill:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--pink-bg);
}
.filter-pill:active {
  background: #FDE0E6;
}
.filter-pill:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(255, 61, 90, 0.2);
}
.filter-pill.active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.category-grid-section {
  padding: clamp(56px, 6vw, 88px) 0;
}
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.section-heading h2 {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
  margin-bottom: 0;
}
.section-eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 6px;
}
.section-note {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 360px;
  text-align: right;
  margin-bottom: 0;
  line-height: 1.6;
}
.card {
  margin-bottom: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  height: 100%;
  display: flex;
  flex-direction: column;
  color: inherit;
}
.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.card:active {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.card:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(255, 61, 90, 0.25);
}
.grid-card .card-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--border);
}
.grid-card .card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.2, 0, 0, 1);
}
.card:hover .card-media img {
  transform: scale(1.02);
}
.card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card-body h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 8px;
  color: var(--ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  margin-top: auto;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.card-meta .dot {
  color: #D2D5DA;
}
.badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  background: var(--pink-bg);
  color: #C11558;
}
.badge-new {
  background: #ECFDF3;
  color: var(--positive);
}
.badge-high {
  background: #FFF8E7;
  color: #D97706;
}
.badge-finished {
  background: #EEF4FF;
  color: #4640D6;
}
.badge-free {
  background: #F0F9FF;
  color: #0284C7;
}
.badge-guoman {
  background: var(--pink-bg);
  color: #C11558;
}
.featured-card .grid-x {
  align-items: stretch;
}
.featured-card-media {
  position: relative;
  min-height: 260px;
  height: 100%;
  overflow: hidden;
  background: var(--border);
}
.featured-card-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.2, 0, 0, 1);
}
.featured-card:hover .featured-card-media img {
  transform: scale(1.02);
}
.featured-card-body {
  padding: clamp(24px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}
.featured-card-body h3 {
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 14px;
}
.featured-card-body p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.featured-card-body .card-meta {
  margin-top: 0;
  padding-top: 14px;
}
.grid-x.grid-margin-x > .cell {
  margin-bottom: 24px;
}
.inner-cta {
  background: #EFEDEA;
  padding: 44px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.inner-cta-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  text-align: center;
}
.inner-cta-inner p {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0;
}
.site-footer {
  background: var(--ink);
  color: #CBD5E1;
  padding: 64px 0 0;
}
.footer-grid {
  padding-bottom: 40px;
}
.footer-brand .brand-logo {
  margin-bottom: 16px;
}
.footer-brand .brand-text {
  color: #fff;
}
.footer-brand p {
  font-size: 14px;
  color: #94A3B8;
  max-width: 300px;
  line-height: 1.7;
  margin-bottom: 0;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: #94A3B8;
  padding: 5px 0;
  transition: color var(--transition);
}
.footer-col a:hover {
  color: #fff;
}
.footer-col a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.18);
  border-radius: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  font-size: 13px;
  color: #94A3B8;
  text-align: center;
}
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.2, 0, 0, 1);
}
html.js [data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}
@media (max-width: 1024px) {
  .header-search {
    flex: 0 1 360px;
  }
  .category-hero h1 {
    font-size: 34px;
  }
  .featured-card-body {
    padding: 24px;
  }
}
@media (max-width: 768px) {
  .header-search {
    display: none;
  }
  .search-toggle {
    display: inline-flex;
  }
  .mobile-search-layer.is-open {
    max-height: 80px;
  }
  .category-hero-grid {
    display: block;
  }
  .category-hero-grid .cell {
    flex: 0 0 auto;
    width: 100%;
  }
  .sort-box {
    margin-top: 20px;
  }
  .featured-card-media {
    min-height: 200px;
  }
  .section-heading {
    display: block;
  }
  .section-heading .section-note {
    text-align: left;
    margin-top: 10px;
    max-width: 100%;
  }
}
@media (max-width: 640px) {
  .header-top-inner {
    gap: 10px;
  }
  .brand-logo {
    font-size: 22px;
  }
  .header-actions .btn {
    padding: 8px 16px;
    font-size: 14px;
    min-height: 40px;
  }
  .category-hero {
    padding: 32px 0 24px;
  }
  .category-hero h1 {
    font-size: 28px;
  }
  .category-hero-desc {
    font-size: 14px;
  }
  .category-hero-eyebrow {
    font-size: 12px;
  }
  .featured-card-body {
    padding: 20px;
  }
  .featured-card-body h3 {
    font-size: 20px;
  }
  .featured-card-body p {
    font-size: 14px;
  }
  .menu {
    padding: 6px 12px;
    font-size: 13px;
  }
  .inner-cta-inner {
    flex-direction: column;
  }
  .inner-cta-inner p {
    font-size: 16px;
  }
  .footer-grid {
    display: block;
  }
  .footer-col {
    margin-bottom: 32px;
  }
  .card-body h3 {
    font-size: 15px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  html.js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .card:hover {
    transform: none;
  }
}