/* roulang page: index */
:root {
  --color-primary: #0B5E5A;
  --color-primary-dark: #084A47;
  --color-primary-light: rgba(11,94,90,0.1);
  --color-primary-soft: rgba(11,94,90,0.06);
  --color-accent: #C7A467;
  --color-accent-dark: #B08F52;
  --color-accent-light: rgba(199,164,103,0.15);
  --color-bg: #F6F8F7;
  --color-card: #FFFFFF;
  --color-text: #1D2B2A;
  --color-text-secondary: #5B6866;
  --color-text-muted: #93A19E;
  --color-border: rgba(11,94,90,0.12);
  --color-success: #2E7D6B;
  --color-warning: #C7A467;
  --color-error: #C25E5E;
  --color-info: #3B7A9C;
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-tag: 999px;
  --shadow-card: 0 4px 20px rgba(16,60,58,0.08);
  --shadow-card-hover: 0 8px 28px rgba(16,60,58,0.14);
  --space-section: 88px;
  --space-section-sm: 56px;
  --space-card: 24px;
  --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: Inter, -apple-system, sans-serif;
  --container-max: 1240px;
  --transition: 0.25s ease-out;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  outline: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: 14px;
  border: 1px solid #D5E0DE;
  background: #fff;
  border-radius: var(--radius-btn);
  padding: 10px 14px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  color: var(--color-text);
}

input:focus, textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(11,94,90,0.12);
}

input::placeholder, textarea::placeholder {
  color: var(--color-text-muted);
}

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

.section {
  padding: var(--space-section) 0;
}

.section-sm {
  padding: var(--space-section-sm) 0;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-radius: var(--radius-tag);
  padding: 4px 14px;
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-text);
  margin-bottom: 12px;
}

.section-head p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition), background var(--transition);
}

.site-header.shrink {
  box-shadow: var(--shadow-card);
  background: rgba(255,255,255,0.99);
}

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

.brand-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 0;
  transition: padding var(--transition);
}

.site-header.shrink .brand-row {
  padding: 6px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--color-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: width var(--transition), height var(--transition);
}

.site-header.shrink .logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.logo-icon svg {
  width: 22px;
  height: 22px;
  fill: #fff;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: font-size var(--transition);
}

.site-header.shrink .logo-text {
  font-size: 17px;
}

.header-search {
  flex: 1;
  max-width: 320px;
  margin-left: auto;
  display: flex;
  align-items: center;
  position: relative;
  transition: max-width var(--transition);
}

.site-header.shrink .header-search {
  max-width: 180px;
}

.header-search input {
  width: 100%;
  padding: 8px 36px 8px 38px;
  border-radius: 20px;
  font-size: 13px;
  background: var(--color-bg);
  border-color: transparent;
}

.header-search input:focus {
  background: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(11,94,90,0.12);
}

.header-search .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--color-text-muted);
  pointer-events: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  padding: 8px 18px;
  transition: background var(--transition), transform var(--transition);
}

.header-cta:hover {
  background: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-1px);
}

.header-cta:active {
  transform: translateY(0);
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 8px;
  background: var(--color-primary-light);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.channel-row {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 0 10px;
  transition: padding var(--transition);
}

.site-header.shrink .channel-row {
  padding-bottom: 4px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.main-nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: 8px 14px;
  border-radius: 6px;
  position: relative;
  white-space: nowrap;
  transition: color var(--transition), background var(--transition);
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--transition);
}

.main-nav a:hover {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.main-nav a.active {
  color: var(--color-primary);
  font-weight: 600;
}

.main-nav a.active::after {
  transform: scaleX(1);
}

.trend-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.trend-tags::-webkit-scrollbar {
  display: none;
}

.trend-label {
  font-size: 13px;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.trend-tags .tag {
  display: inline-block;
  font-size: 13px;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-radius: var(--radius-tag);
  padding: 4px 12px;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}

.trend-tags .tag:hover {
  background: var(--color-primary);
  color: #fff;
}

/* Mobile menu */
.mobile-menu {
  display: none;
  background: var(--color-card);
  border-top: 1px solid var(--color-border);
  padding: 16px 24px 20px;
}

.mobile-menu.open {
  display: block;
}

.mobile-menu .mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
}

.mobile-menu .mobile-nav a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
}

.mobile-menu .mobile-nav a:hover,
.mobile-menu .mobile-nav a.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.mobile-menu .mobile-search {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.mobile-menu .mobile-search input {
  flex: 1;
}

.mobile-menu .mobile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mobile-menu .mobile-tags .tag {
  font-size: 13px;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-radius: var(--radius-tag);
  padding: 4px 12px;
}

/* ============ Hero ============ */
.hero {
  position: relative;
  padding: 100px 0 90px;
  background: linear-gradient(135deg, rgba(11,94,90,0.88), rgba(8,74,71,0.82)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(199,164,103,0.12) 0%, transparent 50%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-tag);
  padding: 6px 16px;
  font-size: 13px;
  letter-spacing: 0.03em;
  margin-bottom: 22px;
  color: rgba(255,255,255,0.95);
}

.hero-badge i {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  display: inline-block;
}

.hero h1 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 18px;
  letter-spacing: 0.01em;
}

.hero h1 .highlight {
  color: var(--color-accent);
}

.hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255,255,255,0.88);
  margin-bottom: 28px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  padding: 12px 26px;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
  text-align: center;
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-text);
  border: 1px solid var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-text);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(199,164,103,0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.6);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
  color: #fff;
}

.btn-dark {
  background: var(--color-primary);
  color: #fff;
  border: 1px solid var(--color-primary);
}

.btn-dark:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-2px);
}

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

.hero-card {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 16px;
  padding: 28px;
  width: 100%;
  max-width: 340px;
  backdrop-filter: blur(8px);
}

.hero-card-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.hero-card-item:last-child {
  border-bottom: none;
}

.hero-card-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: rgba(199,164,103,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-card-icon svg {
  width: 16px;
  height: 16px;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero-card-text h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 2px;
}

.hero-card-text p {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
}

/* ============ Trust Bar ============ */
.trust-bar {
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  padding: 24px 0;
}

.trust-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 0;
}

.trust-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.trust-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.trust-info h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.trust-info p {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.trust-info strong {
  font-family: var(--font-num);
  color: var(--color-accent);
  font-size: 18px;
  font-weight: 700;
  margin-right: 2px;
}

/* ============ Steps ============ */
.steps {
  background: var(--color-bg);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-card);
  position: relative;
}

.step-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 32px 26px;
  box-shadow: var(--shadow-card);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.step-number {
  font-family: var(--font-num);
  font-size: 34px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  display: block;
  margin-bottom: 18px;
}

.step-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.step-icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.step-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.step-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.step-arrow {
  position: absolute;
  top: 50%;
  right: -28px;
  transform: translateY(-50%);
  z-index: 2;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-arrow svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.steps-grid .step-card:nth-child(2) .step-arrow {
  right: auto;
  left: -28px;
}

.steps-grid .step-card:last-child .step-arrow {
  display: none;
}

/* ============ Cases ============ */
.cases {
  background: var(--color-card);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-card);
}

.case-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
  background: var(--color-card);
  display: flex;
  flex-direction: column;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.case-card:hover .case-img img {
  transform: scale(1.04);
}

.case-img {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-primary-soft);
}

.case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease-out;
}

.case-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11,94,90,0.1), transparent 60%);
}

.case-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 3;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(255,255,255,0.92);
  border-radius: var(--radius-tag);
  padding: 4px 12px;
  backdrop-filter: blur(4px);
}

.case-body {
  padding: 20px 22px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.case-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.4;
}

.case-body p {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-bottom: 14px;
  flex: 1;
}

.case-result {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
}

.case-result .num {
  font-family: var(--font-num);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-accent);
}

.case-result .label {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* ============ FAQ ============ */
.faq {
  background: var(--color-bg);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-card-hover);
}

.faq-item.active {
  border-color: var(--color-primary);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 24px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  background: transparent;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-item.active .faq-question {
  color: var(--color-primary);
}

.faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-primary-light);
  transition: transform var(--transition), background var(--transition);
}

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

.faq-icon svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke var(--transition);
}

.faq-item.active .faq-icon svg {
  stroke: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
}

.faq-answer-inner {
  padding: 0 24px 24px;
  border-left: 3px solid var(--color-primary);
  margin-left: 24px;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

/* ============ CTA Form ============ */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  padding: 80px 0;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11,94,90,0.65);
}

.cta-section .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.cta-content h2 {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.35;
}

.cta-content h2 .accent {
  color: var(--color-accent);
}

.cta-content p {
  font-size: 15px;
  color: rgba(255,255,255,0.85);
  line-height: 1.8;
  margin-bottom: 24px;
}

.cta-points {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 12px;
}

.cta-points li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(255,255,255,0.92);
}

.cta-points .check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(199,164,103,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cta-points .check svg {
  width: 12px;
  height: 12px;
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cta-form-wrap {
  background: var(--color-card);
  border-radius: 16px;
  padding: 36px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.18);
  color: var(--color-text);
}

.cta-form-wrap h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.cta-form-wrap .form-sub {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-submit {
  width: 100%;
  background: var(--color-primary);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  padding: 14px 20px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.form-submit:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(11,94,90,0.3);
}

.form-submit:active {
  transform: translateY(0);
}

.form-note {
  text-align: center;
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 12px;
}

/* ============ News List (CMS) ============ */
.news-section {
  background: var(--color-card);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-card);
}

.news-card {
  display: flex;
  flex-direction: column;
  padding: 24px 26px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
}

.news-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.news-card:hover h3 {
  color: var(--color-primary);
}

.news-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-radius: var(--radius-tag);
  padding: 3px 12px;
  margin-bottom: 12px;
  align-self: flex-start;
}

.news-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 10px;
  transition: color var(--transition);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-bottom: 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
}

.news-date {
  font-size: 13px;
  color: var(--color-text-muted);
}

.news-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition);
}

.news-link:hover {
  color: var(--color-accent-dark);
}

.news-link svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-bg);
  color: var(--color-text-muted);
  font-size: 15px;
}

.empty-state i {
  display: block;
  font-size: 32px;
  margin-bottom: 12px;
  opacity: 0.5;
}

/* ============ Footer ============ */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.6);
  padding-top: 60px;
}

.footer-main {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px 40px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 48px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand .logo-icon {
  background: rgba(255,255,255,0.15);
}

.footer-brand .logo-text {
  color: #fff;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 320px;
}

.footer-col h4 {
  color: rgba(255,255,255,0.9);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer-col ul a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 20px 0;
}

.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

.footer-bottom .domain {
  color: rgba(255,255,255,0.7);
}

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-card {
    max-width: 100%;
  }

  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .step-arrow {
    display: none;
  }

  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cta-section .container {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .brand-row {
    gap: 12px;
  }

  .header-search {
    display: none;
  }

  .header-actions {
    margin-left: auto;
  }

  .menu-toggle {
    display: flex;
  }

  .channel-row {
    display: none;
  }

  .mobile-menu {
    display: block;
  }

  .site-header.shrink .brand-row {
    padding: 8px 0;
  }

  .hero {
    padding: 60px 0 50px;
  }

  .hero h1 {
    font-size: 30px;
    line-height: 1.35;
  }

  .hero-desc {
    font-size: 15px;
  }

  .trust-inner {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .trust-item {
    padding: 8px 0;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .cases-grid {
    grid-template-columns: 1fr;
  }

  .news-grid {
    grid-template-columns: 1fr;
  }

  .cta-section {
    padding: 56px 0;
  }

  .cta-form-wrap {
    padding: 26px 20px;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .section {
    --space-section: 56px;
  }

  .section-head h2 {
    font-size: 26px;
  }

  .section-head {
    margin-bottom: 32px;
  }

  .btn {
    width: 100%;
  }

  .hero-btns {
    flex-direction: column;
    gap: 12px;
  }

  .footer-bottom .container {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .logo-text {
    font-size: 17px;
  }

  .header-cta {
    padding: 7px 14px;
    font-size: 13px;
  }

  .hero h1 {
    font-size: 26px;
  }

  .cases-grid {
    grid-template-columns: 1fr;
  }

  .step-card {
    padding: 24px 20px;
  }

  .faq-question {
    font-size: 15px;
    padding: 16px 16px 16px 18px;
  }

  .faq-answer-inner {
    margin-left: 16px;
    padding-left: 16px;
  }

  .news-card {
    padding: 20px 18px;
  }

  .cta-form-wrap {
    padding: 22px 16px;
  }
}

@media (min-width: 769px) {
  .mobile-menu {
    display: none !important;
  }
}

/* ============ Animations ============ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.animate {
  opacity: 0;
}

.animate.visible {
  animation: fadeInUp 0.7s ease-out forwards;
}

.hero-content .animate:nth-child(1) { animation-delay: 0.1s; }
.hero-content .animate:nth-child(2) { animation-delay: 0.2s; }
.hero-content .animate:nth-child(3) { animation-delay: 0.3s; }
.hero-content .animate:nth-child(4) { animation-delay: 0.4s; }

/* roulang page: article */
:root {
  --color-primary: #0B5E5A;
  --color-primary-dark: #094A47;
  --color-primary-light: rgba(11, 94, 90, 0.08);
  --color-accent: #C7A467;
  --color-bg: #F6F8F7;
  --color-card: #FFFFFF;
  --color-text: #1D2B2A;
  --color-text-secondary: #5B6866;
  --color-text-muted: #93A19E;
  --color-border: rgba(11, 94, 90, 0.12);
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-tag: 999px;
  --shadow-card: 0 4px 20px rgba(16, 60, 58, 0.08);
  --shadow-card-hover: 0 8px 28px rgba(16, 60, 58, 0.14);
  --space-section: 80px;
  --space-card: 24px;
  --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: Inter, -apple-system, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color .25s ease-out; }
a:hover { color: var(--color-primary-dark); }
ul, ol { padding-left: 1.4em; }
input, button, textarea { font-family: inherit; font-size: inherit; }
button { cursor: pointer; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all .25s ease-out;
  text-decoration: none;
  line-height: 1.4;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; box-shadow: 0 6px 18px rgba(11,94,90,0.25); }
.btn-primary:active { transform: translateY(1px); }
.btn-outline { background: transparent; border-color: var(--color-primary); color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary-light); color: var(--color-primary); }
.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn:focus-visible, a:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ===== Header ===== */
.site-header {
  position: relative;
  z-index: 200;
  background: rgba(255,255,255,0.96);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow .3s ease-out;
}
.site-header.scrolled {
  position: sticky;
  top: 0;
  box-shadow: var(--shadow-card);
}
.header-top-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 0;
  transition: padding .3s ease-out;
}
.site-header.scrolled .header-top-inner { padding: 8px 0; }
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: width .3s, height .3s;
}
.site-header.scrolled .logo-icon { width: 34px; height: 34px; }
.logo-icon svg { width: 24px; height: 24px; fill: #fff; }
.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: .5px;
  white-space: nowrap;
  transition: font-size .3s;
}
.site-header.scrolled .logo-text { font-size: 17px; }
.header-search {
  flex: 1;
  max-width: 380px;
  display: flex;
  align-items: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 7px 16px;
  gap: 8px;
  transition: all .3s;
}
.header-search:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(11,94,90,0.10);
  background: #fff;
}
.header-search input {
  flex: 1;
  border: none;
  background: none;
  font-size: 14px;
  color: var(--color-text);
  outline: none;
  min-width: 0;
}
.header-search input::placeholder { color: var(--color-text-muted); }
.header-search .search-btn {
  border: none;
  background: none;
  color: var(--color-text-secondary);
  display: flex;
  padding: 4px;
  border-radius: 50%;
  transition: color .3s;
}
.header-search .search-btn:hover { color: var(--color-primary); }
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
  flex-shrink: 0;
}
.menu-toggle {
  display: none;
  border: none;
  background: none;
  padding: 8px;
  border-radius: 8px;
  color: var(--color-text);
}
.menu-toggle:hover { background: var(--color-primary-light); }
.header-bottom {
  border-top: 1px solid rgba(11,94,90,0.06);
  transition: all .3s ease-out;
}
.site-header.scrolled .header-bottom { border-top-color: transparent; }
.header-bottom-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 8px 0 10px;
  transition: padding .3s;
}
.site-header.scrolled .header-bottom-inner { padding: 6px 0; }
.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}
.main-nav a {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: 999px;
  transition: all .25s ease-out;
  position: relative;
  white-space: nowrap;
}
.main-nav a:hover { color: var(--color-primary); background: var(--color-primary-light); }
.main-nav a.active {
  color: var(--color-primary);
  font-weight: 600;
  background: var(--color-primary-light);
}
.trend-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-muted);
  overflow: hidden;
}
.trend-label { white-space: nowrap; flex-shrink: 0; }
.trend-tags a {
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 4px 12px;
  background: var(--color-bg);
  border-radius: 999px;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: all .25s;
}
.trend-tags a:hover { color: var(--color-primary); border-color: var(--color-primary); background: var(--color-primary-light); }
.mobile-menu {
  display: none;
  background: #fff;
  border-top: 1px solid var(--color-border);
  padding: 16px 24px 24px;
}
.mobile-menu.open { display: block; }
.mobile-menu .main-nav { flex-direction: column; align-items: stretch; gap: 4px; margin-bottom: 16px; }
.mobile-menu .main-nav a { border-radius: 8px; padding: 12px 16px; }
.mobile-menu .trend-tags { flex-wrap: wrap; }
.mobile-menu .header-search { max-width: none; margin-bottom: 16px; }

/* ===== Breadcrumb ===== */
.breadcrumb-wrap {
  padding-top: 32px;
  padding-bottom: 8px;
}
.breadcrumb-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 14px;
  color: var(--color-text-muted);
}
.breadcrumb-nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color .25s;
}
.breadcrumb-nav a:hover { color: var(--color-primary); }
.breadcrumb-nav .sep { color: var(--color-text-muted); }
.breadcrumb-nav .current {
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 360px;
  font-weight: 500;
}

/* ===== Article Main ===== */
.article-main {
  padding: 16px 0 var(--space-section);
}
.article-card {
  max-width: 900px;
  margin: 0 auto;
  background: var(--color-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 48px 56px;
  border: 1px solid rgba(11,94,90,0.06);
}
.article-header {
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
}
.article-header .category-badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 16px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  margin-bottom: 16px;
}
.article-header h1 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  margin: 0 0 16px;
  letter-spacing: -0.2px;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 14px;
  color: var(--color-text-muted);
}
.article-meta .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-meta .meta-item svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
  opacity: 0.7;
}
.article-content {
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-text);
  word-wrap: break-word;
}
.article-content h2 {
  font-size: 28px;
  font-weight: 600;
  margin: 36px 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
  line-height: 1.4;
}
.article-content h3 {
  font-size: 21px;
  font-weight: 600;
  margin: 28px 0 14px;
  line-height: 1.4;
}
.article-content h4 {
  font-size: 18px;
  font-weight: 600;
  margin: 22px 0 10px;
}
.article-content p {
  margin-bottom: 20px;
  line-height: 1.85;
}
.article-content ul,
.article-content ol {
  margin-bottom: 20px;
  padding-left: 1.6em;
  line-height: 1.8;
}
.article-content li {
  margin-bottom: 8px;
}
.article-content blockquote {
  border-left: 3px solid var(--color-primary);
  background: var(--color-primary-light);
  padding: 16px 24px;
  margin: 24px 0;
  border-radius: 0 8px 8px 0;
  color: var(--color-text-secondary);
  font-size: 15px;
}
.article-content blockquote p { margin-bottom: 0; }
.article-content img {
  border-radius: var(--radius-card);
  margin: 24px 0;
  width: auto;
  max-width: 100%;
}
.article-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content a:hover { color: var(--color-primary-dark); }
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 15px;
}
.article-content th,
.article-content td {
  border: 1px solid var(--color-border);
  padding: 10px 14px;
  text-align: left;
}
.article-content th {
  background: var(--color-bg);
  font-weight: 600;
  color: var(--color-text);
}
.article-content code {
  background: var(--color-bg);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 14px;
  font-family: monospace;
  border: 1px solid var(--color-border);
}
.article-not-found {
  text-align: center;
  padding: 80px 24px;
}
.article-not-found .nf-icon {
  font-size: 64px;
  margin-bottom: 16px;
  opacity: 0.4;
}
.article-not-found h2 {
  font-size: 22px;
  color: var(--color-text);
  margin-bottom: 8px;
}
.article-not-found p {
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

/* ===== Article Footer ===== */
.article-bottom {
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
}
.article-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}
.article-tags .tag-label {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-right: 4px;
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 13px;
  border-radius: 999px;
  text-decoration: none;
  transition: all .25s;
}
.tag:hover { color: var(--color-primary); border-color: var(--color-primary); background: var(--color-primary-light); }
.article-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.pager-btn {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-card);
  text-decoration: none;
  transition: all .25s ease-out;
}
.pager-btn:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}
.pager-btn .pager-label {
  font-size: 13px;
  color: var(--color-text-muted);
}
.pager-btn .pager-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pager-btn:hover .pager-title { color: var(--color-primary); }
.pager-next { text-align: right; }
.pager-next .pager-label { justify-content: flex-end; }

/* ===== Related Posts ===== */
.related-section {
  max-width: 900px;
  margin: 0 auto;
  padding-top: 56px;
}
.related-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.related-header h2 {
  font-size: 28px;
  font-weight: 600;
  color: var(--color-text);
}
.related-header .related-more {
  font-size: 14px;
  color: var(--color-primary);
  font-weight: 500;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-card);
  overflow: hidden;
  text-decoration: none;
  transition: all .25s ease-out;
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
  border-color: transparent;
}
.related-card .card-img {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--color-primary-light);
  position: relative;
}
.related-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease-out;
}
.related-card:hover .card-img img { transform: scale(1.03); }
.related-card .card-body {
  padding: 20px 20px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.related-card .card-cat {
  display: inline-flex;
  align-self: flex-start;
  padding: 3px 12px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  margin-bottom: 12px;
}
.related-card .card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card:hover .card-title { color: var(--color-primary); }
.related-card .card-excerpt {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}
.related-card .card-foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--color-text-muted);
  padding-top: 12px;
  border-top: 1px solid rgba(11,94,90,0.08);
}
.related-card .card-link {
  color: var(--color-primary);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ===== CTA Section ===== */
.cta-section {
  margin-top: 64px;
  background: linear-gradient(135deg, #0B5E5A 0%, #094A47 100%);
  border-radius: 16px;
  padding: 48px 56px;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -30px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(199,164,103,0.15);
}
.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-copy h2 {
  font-size: 28px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}
.cta-copy p {
  color: rgba(255,255,255,0.75);
  font-size: 15px;
  line-height: 1.7;
  max-width: 480px;
}
.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
}
.btn-accent {
  background: var(--color-accent);
  color: var(--color-text);
}
.btn-accent:hover { background: #d4b37e; color: var(--color-text); transform: translateY(-1px); }

/* ===== Footer ===== */
.site-footer {
  background: #083B38;
  color: rgba(255,255,255,0.6);
  margin-top: 80px;
}
.footer-main {
  max-width: 1240px;
  margin: 0 auto;
  padding: 48px 24px 36px;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
}
.site-footer .logo-text { color: #fff; }
.site-footer .logo-icon { background: rgba(255,255,255,0.15); }
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin-top: 16px;
  max-width: 360px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  text-decoration: none;
  transition: color .25s;
}
.footer-col a:hover { color: var(--color-accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
}
.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 18px;
  padding-bottom: 20px;
  font-size: 13px;
}
.footer-bottom .domain { opacity: 0.8; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: rgba(11,94,90,0.25); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: rgba(11,94,90,0.4); }

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  :root { --space-section: 64px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .header-search { max-width: 280px; }
  .trend-tags a:nth-child(3) { display: none; }
}
@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .header-top-inner { gap: 12px; }
  .header-search { display: none; }
  .header-actions .btn { display: none; }
  .menu-toggle { display: inline-flex; }
  .header-bottom { display: none; }
  .mobile-menu { display: none; }
  .mobile-menu.open { display: block; }
  .mobile-menu .header-search { display: flex; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; padding: 40px 16px 28px; }
  .article-card { padding: 32px 20px; }
  .article-header h1 { font-size: 28px; }
  .article-content { font-size: 15px; }
  .article-content h2 { font-size: 23px; }
  .article-content h3 { font-size: 18px; }
  .article-pager { grid-template-columns: 1fr; }
  .pager-next { text-align: left; }
  .related-grid { grid-template-columns: 1fr; }
  .cta-section { padding: 32px 24px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .cta-copy h2 { font-size: 24px; }
  .breadcrumb-nav .current { max-width: 200px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .footer-main { grid-template-columns: 1fr; gap: 24px; }
  .footer-brand p { max-width: 100%; }
  .related-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .article-meta { gap: 10px; font-size: 13px; }
  .related-grid { grid-template-columns: 1fr; }
  .article-card { padding: 24px 16px; }
}

/* roulang page: category1 */
:root {
  --color-primary: #0B5E5A;
  --color-primary-dark: #084A47;
  --color-primary-deep: #063B38;
  --color-accent: #C7A467;
  --color-accent-light: #D9BE8C;
  --color-bg: #F6F8F7;
  --color-card: #FFFFFF;
  --color-text: #1D2B2A;
  --color-text-secondary: #5B6866;
  --color-text-muted: #93A19E;
  --color-border: rgba(11,94,90,0.12);
  --color-success: #2E7D6B;
  --color-warning: #C7A467;
  --color-error: #C25E5E;
  --color-info: #3B7A9C;
  --radius-card: 12px;
  --radius-btn: 8px;
  --shadow-card: 0 4px 20px rgba(16,60,58,0.08);
  --shadow-card-hover: 0 8px 28px rgba(16,60,58,0.14);
  --space-section: 88px;
  --space-card: 24px;
  --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
  --font-num: Inter, "SF Pro Text", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); background: var(--color-bg); color: var(--color-text); line-height: 1.75; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.25s ease; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ===== Header ===== */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.97); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-border); transition: box-shadow 0.3s ease; }
.site-header.scrolled { box-shadow: 0 6px 24px rgba(16,60,58,0.08); }
.header-top { border-bottom: 1px solid var(--color-border); }
.header-top-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 20px; }
.logo { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon { width: 36px; height: 36px; display: inline-flex; }
.logo-icon svg { width: 100%; height: 100%; }
.logo-text { font-size: 20px; font-weight: 700; color: var(--color-primary); letter-spacing: 0.5px; white-space: nowrap; }
.header-search { flex: 1; max-width: 320px; display: flex; align-items: center; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: 999px; padding: 4px 6px 4px 16px; transition: border-color 0.25s, box-shadow 0.25s; }
.header-search:focus-within { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(11,94,90,0.1); }
.header-search input { flex: 1; border: none; background: transparent; font-size: 14px; color: var(--color-text); outline: none; min-width: 0; }
.header-search input::placeholder { color: var(--color-text-muted); }
.header-search button { width: 32px; height: 32px; border: none; background: var(--color-primary); color: #fff; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; flex-shrink: 0; transition: background 0.25s; }
.header-search button:hover { background: var(--color-primary-dark); }
.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius-btn); font-size: 15px; font-weight: 600; border: 2px solid transparent; cursor: pointer; transition: all 0.25s ease; line-height: 1.4; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(11,94,90,0.25); }
.btn-primary:active { transform: translateY(0); }
.btn-accent { background: var(--color-accent); color: var(--color-text); }
.btn-accent:hover { background: var(--color-accent-light); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(199,164,103,0.3); }
.btn-accent:active { transform: translateY(0); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.7); }
.btn-outline-light:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
.btn-sm { padding: 8px 18px; font-size: 14px; }
.header-bottom { border-bottom: 1px solid var(--color-border); }
.header-bottom-inner { display: flex; align-items: center; justify-content: space-between; height: 48px; gap: 20px; }
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a { position: relative; display: inline-flex; align-items: center; padding: 8px 16px; font-size: 15px; font-weight: 500; color: var(--color-text); border-radius: 6px; transition: color 0.25s, background 0.25s; }
.main-nav a:hover { color: var(--color-primary); background: rgba(11,94,90,0.06); }
.main-nav a.active { color: var(--color-primary); font-weight: 600; }
.main-nav a.active::after { content: ''; position: absolute; left: 16px; right: 16px; bottom: 0; height: 2px; background: var(--color-primary); border-radius: 2px; }
.hot-tags { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--color-text-muted); white-space: nowrap; overflow: hidden; }
.hot-tags span { white-space: nowrap; }
.hot-tags a { padding: 3px 12px; background: rgba(11,94,90,0.08); color: var(--color-primary); border-radius: 999px; font-size: 13px; transition: background 0.25s, color 0.25s; white-space: nowrap; }
.hot-tags a:hover { background: rgba(11,94,90,0.16); color: var(--color-primary-dark); }
.nav-toggle { display: none; width: 40px; height: 40px; border: 1px solid var(--color-border); background: var(--color-card); border-radius: 8px; align-items: center; justify-content: center; cursor: pointer; color: var(--color-primary); flex-shrink: 0; }
.nav-toggle:hover { border-color: var(--color-primary); }
.mobile-menu { display: none; background: var(--color-card); border-bottom: 1px solid var(--color-border); padding: 16px 24px; }
.mobile-menu.open { display: block; }
.mobile-menu .main-nav { flex-direction: column; align-items: stretch; gap: 8px; }
.mobile-menu .main-nav a { padding: 10px 12px; font-size: 16px; }
.mobile-menu .main-nav a.active::after { display: none; }
.mobile-menu .main-nav a.active { background: rgba(11,94,90,0.08); }
.mobile-menu .mobile-search { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.mobile-menu .mobile-search input { flex: 1; padding: 10px 14px; border: 1px solid var(--color-border); border-radius: var(--radius-btn); font-size: 14px; outline: none; }
.mobile-menu .mobile-search input:focus { border-color: var(--color-primary); }
.mobile-menu .mobile-hot { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.mobile-menu .mobile-hot a { font-size: 13px; padding: 4px 12px; background: rgba(11,94,90,0.08); color: var(--color-primary); border-radius: 999px; }

/* ===== Page Hero ===== */
.page-hero { background: linear-gradient(120deg, rgba(8,74,71,0.95) 0%, rgba(11,94,90,0.82) 60%, rgba(11,94,90,0.65) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat; padding: 72px 0 64px; color: #fff; position: relative; overflow: hidden; }
.page-hero::after { content: ''; position: absolute; right: -60px; top: -60px; width: 280px; height: 280px; border-radius: 50%; background: rgba(255,255,255,0.04); }
.page-hero-inner { position: relative; z-index: 2; max-width: 720px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,0.6); margin-bottom: 20px; }
.breadcrumb a { color: rgba(255,255,255,0.7); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb .sep { color: rgba(255,255,255,0.35); }
.breadcrumb .current { color: rgba(255,255,255,0.9); }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 0.08em; color: var(--color-accent); background: rgba(199,164,103,0.14); border: 1px solid rgba(199,164,103,0.25); padding: 4px 14px; border-radius: 999px; margin-bottom: 16px; }
.page-hero h1 { font-size: 40px; line-height: 1.25; font-weight: 700; margin-bottom: 16px; letter-spacing: 0.5px; }
.page-hero p { font-size: 16px; line-height: 1.85; color: rgba(255,255,255,0.85); max-width: 560px; }
.page-hero .hero-actions { display: flex; gap: 16px; margin-top: 32px; flex-wrap: wrap; }

/* ===== Section Common ===== */
.section { padding: var(--space-section) 0; }
.section-alt { background: var(--color-card); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-header h2 { font-size: 30px; font-weight: 600; line-height: 1.35; color: var(--color-text); margin-bottom: 12px; letter-spacing: 0.3px; }
.section-header p { font-size: 15px; color: var(--color-text-secondary); line-height: 1.7; }
.section-header .eyebrow { margin-bottom: 12px; }

/* ===== Steps ===== */
.steps-section { background: linear-gradient(180deg, var(--color-bg) 0%, #EFF5F3 100%); }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-card); position: relative; }
.step-card { position: relative; background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 32px 24px 28px; box-shadow: var(--shadow-card); transition: transform 0.3s ease, box-shadow 0.3s ease; }
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.step-num { font-family: var(--font-num); font-size: 28px; font-weight: 700; color: var(--color-accent); line-height: 1; }
.step-icon { width: 44px; height: 44px; color: var(--color-primary); margin: 18px 0 14px; }
.step-icon svg { width: 100%; height: 100%; }
.step-card h3 { font-size: 18px; font-weight: 600; color: var(--color-text); margin-bottom: 8px; }
.step-card p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; }
.step-arrow { position: absolute; right: -18px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--color-text-muted); z-index: 3; }

/* ===== Split ===== */
.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split-media { border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-card); position: relative; }
.split-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; transition: transform 0.5s ease; }
.split-media:hover img { transform: scale(1.03); }
.split-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgba(11,94,90,0.18)); }
.split-content h2 { font-size: 30px; font-weight: 600; line-height: 1.35; color: var(--color-text); margin-bottom: 16px; }
.split-content p { font-size: 15px; color: var(--color-text-secondary); line-height: 1.8; margin-bottom: 24px; }
.split-list { margin-top: 4px; }
.split-list li { position: relative; padding-left: 28px; margin-bottom: 14px; font-size: 15px; color: var(--color-text); line-height: 1.7; }
.split-list li::before { content: ''; position: absolute; left: 0; top: 10px; width: 10px; height: 10px; border-radius: 50%; background: var(--color-primary); box-shadow: 0 0 0 3px rgba(11,94,90,0.12); }
.split-list li strong { color: var(--color-primary); font-weight: 600; }

/* ===== Methods ===== */
.methods-section { background: var(--color-card); }
.methods-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-card); }
.method-card { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 32px 28px; transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s; }
.method-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); background: var(--color-card); }
.method-icon { width: 48px; height: 48px; color: var(--color-primary); margin-bottom: 16px; }
.method-icon svg { width: 100%; height: 100%; }
.method-card h3 { font-size: 18px; font-weight: 600; color: var(--color-text); margin-bottom: 10px; }
.method-card p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; margin-bottom: 16px; }
.method-badges { display: flex; flex-wrap: wrap; gap: 8px; }
.badge { display: inline-block; padding: 3px 12px; border-radius: 999px; font-size: 12px; font-weight: 600; background: rgba(11,94,90,0.08); color: var(--color-primary); }
.badge-accent { background: rgba(199,164,103,0.15); color: #9A7B44; }
.badge-info { background: rgba(59,122,156,0.1); color: var(--color-info); }

/* ===== FAQ ===== */
.faq-section { background: var(--color-bg); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-card); margin-bottom: 16px; overflow: hidden; transition: box-shadow 0.3s ease; }
.faq-item.active { box-shadow: var(--shadow-card); border-color: rgba(11,94,90,0.3); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 24px; background: none; border: none; cursor: pointer; text-align: left; font-size: 16px; font-weight: 600; color: var(--color-text); transition: color 0.25s; }
.faq-question:hover { color: var(--color-primary); }
.faq-item.active .faq-question { color: var(--color-primary); }
.faq-icon { width: 20px; height: 20px; flex-shrink: 0; color: var(--color-text-muted); transition: transform 0.3s ease, color 0.3s; }
.faq-item.active .faq-icon { transform: rotate(180deg); color: var(--color-primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-answer-inner { padding: 0 24px 20px; border-left: 3px solid var(--color-primary); margin: 0 24px 20px 24px; padding-left: 16px; font-size: 15px; color: var(--color-text-secondary); line-height: 1.8; }

/* ===== CTA ===== */
.cta-section { background: var(--color-primary-dark); position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat; opacity: 0.12; }
.cta-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; padding: 72px 0; }
.cta-copy h2 { font-size: 30px; font-weight: 600; color: #fff; margin-bottom: 14px; line-height: 1.35; }
.cta-copy p { font-size: 15px; color: rgba(255,255,255,0.8); line-height: 1.8; margin-bottom: 20px; max-width: 440px; }
.cta-points { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }
.cta-points li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255,255,255,0.85); }
.cta-points li svg { width: 18px; height: 18px; color: var(--color-accent); flex-shrink: 0; }
.cta-form { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.16); border-radius: 16px; padding: 32px; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; color: rgba(255,255,255,0.85); margin-bottom: 8px; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 12px 14px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.25); background: rgba(255,255,255,0.1); color: #fff; font-size: 14px; outline: none; transition: border-color 0.25s, box-shadow 0.25s; }
.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(255,255,255,0.45); }
.form-group input:focus, .form-group textarea:focus { border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(199,164,103,0.2); }
.form-group textarea { min-height: 72px; resize: vertical; }
.cta-form .btn { width: 100%; margin-top: 4px; }
.form-note { font-size: 12px; color: rgba(255,255,255,0.5); text-align: center; margin-top: 12px; }

/* ===== Related ===== */
.related-section { background: var(--color-card); border-top: 1px solid var(--color-border); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-card); }
.related-card { position: relative; display: flex; flex-direction: column; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-card); overflow: hidden; transition: transform 0.3s ease, box-shadow 0.3s ease; min-height: 320px; }
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.related-media { aspect-ratio: 16/10; overflow: hidden; position: relative; }
.related-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.related-card:hover .related-media img { transform: scale(1.05); }
.related-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 65%, rgba(11,94,90,0.2)); }
.related-body { display: flex; flex-direction: column; flex: 1; padding: 20px 24px 24px; }
.related-body h3 { font-size: 17px; font-weight: 600; color: var(--color-text); margin-bottom: 10px; line-height: 1.5; }
.related-body p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; flex: 1; }
.related-more { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--color-primary); margin-top: 16px; }
.related-more svg { width: 16px; height: 16px; transition: transform 0.25s ease; }
.related-card:hover .related-more svg { transform: translateX(4px); }

/* ===== Footer ===== */
.site-footer { background: var(--color-primary-deep); color: rgba(255,255,255,0.65); }
.footer-main { max-width: 1280px; margin: 0 auto; padding: 56px 24px 40px; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; }
.footer-brand .logo-text { color: #fff; }
.footer-brand .logo-icon { opacity: 0.95; }
.footer-brand p { font-size: 14px; line-height: 1.75; color: rgba(255,255,255,0.55); margin-top: 16px; max-width: 400px; }
.footer-col h4 { color: rgba(255,255,255,0.85); font-size: 16px; font-weight: 600; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: rgba(255,255,255,0.6); font-size: 14px; transition: color 0.25s; }
.footer-col ul a:hover { color: var(--color-accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding: 20px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; font-size: 13px; color: rgba(255,255,255,0.45); }
.footer-bottom .domain { color: rgba(255,255,255,0.35); }

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .header-search { max-width: 220px; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .step-arrow { display: none; }
  .split-grid { grid-template-columns: 1fr; gap: 40px; }
  .methods-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-inner { grid-template-columns: 1fr; gap: 40px; padding: 56px 0; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .header-top-inner { height: 60px; }
  .header-bottom, .header-search, .header-actions .btn { display: none; }
  .nav-toggle { display: inline-flex; }
  .page-hero { padding: 48px 0 44px; }
  .page-hero h1 { font-size: 28px; }
  .page-hero p { font-size: 15px; }
  .page-hero .hero-actions { flex-direction: column; gap: 12px; }
  .page-hero .hero-actions .btn { width: 100%; }
  .section { padding: 56px 0; }
  .section-header h2 { font-size: 24px; }
  .steps-grid { grid-template-columns: 1fr; }
  .methods-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; padding: 40px 16px 32px; }
  .footer-bottom .container { justify-content: center; text-align: center; }
  .cta-inner { grid-template-columns: 1fr; gap: 32px; padding: 48px 16px; }
  .cta-form { padding: 24px; }
  .btn { width: 100%; }
  .hero-actions .btn { margin-bottom: 8px; }
  .faq-question { padding: 16px 18px; font-size: 15px; }
  .faq-answer-inner { margin: 0 16px 16px; padding-left: 12px; }
  .split-content h2 { font-size: 24px; }
}

/* roulang page: category2 */
:root {
            --color-primary: #0B5E5A;
            --color-primary-dark: #084a47;
            --color-primary-light: rgba(11, 94, 90, 0.08);
            --color-accent: #C7A467;
            --color-accent-light: rgba(199, 164, 103, 0.15);
            --color-bg: #F6F8F7;
            --color-card: #FFFFFF;
            --color-text: #1D2B2A;
            --color-text-secondary: #5B6866;
            --color-text-muted: #93A19E;
            --color-border: rgba(11, 94, 90, 0.12);
            --color-success: #2E7D6B;
            --color-warning: #C7A467;
            --color-error: #C25E5E;
            --color-info: #3B7A9C;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 20px rgba(16, 60, 58, 0.08);
            --shadow-card-hover: 0 8px 28px rgba(16, 60, 58, 0.14);
            --space-section: 88px;
            --space-card: 28px;
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", -apple-system, "PingFang SC", sans-serif;
            --container-w: 1240px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color .2s ease-out;
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        button {
            font-family: var(--font-sans);
            cursor: pointer;
        }
        input,
        textarea {
            font-family: var(--font-sans);
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: var(--container-w);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding-top: var(--space-section);
            padding-bottom: var(--space-section);
        }
        .section-alt {
            background: var(--color-card);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--color-card);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 2px 12px rgba(16, 60, 58, 0.04);
            transition: box-shadow .3s ease, transform .3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(16, 60, 58, 0.08);
        }
        .header-main {
            border-bottom: 1px solid var(--color-border);
            background: var(--color-card);
        }
        .header-main .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 62px;
            flex-wrap: wrap;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--color-text);
            line-height: 1.2;
            flex-shrink: 0;
            transition: opacity .2s;
        }
        .logo:hover {
            color: var(--color-text);
            opacity: .85;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .logo-icon svg {
            width: 24px;
            height: 24px;
            fill: none;
        }
        .logo-icon svg path {
            fill: #ffffff;
        }
        .logo-text {
            white-space: nowrap;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            padding: 6px 8px 6px 18px;
            width: 320px;
            max-width: 36%;
            transition: border-color .2s, box-shadow .2s, width .3s;
        }
        .header-search:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(11, 94, 90, 0.12);
            background: var(--color-card);
        }
        .header-search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            color: var(--color-text);
            flex: 1;
            min-width: 0;
        }
        .header-search input::placeholder {
            color: var(--color-text-muted);
        }
        .header-search .search-btn {
            border: none;
            background: var(--color-primary);
            color: #fff;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: background .2s;
            font-size: 14px;
        }
        .header-search .search-btn:hover {
            background: var(--color-primary-dark);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .header-notice {
            font-size: 13px;
            color: var(--color-text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-accent-light);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            color: var(--color-primary);
            font-weight: 500;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 2px solid transparent;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            padding: 10px 24px;
            line-height: 1.4;
            background: var(--color-primary);
            color: #fff;
            transition: all .25s ease-out;
            white-space: nowrap;
        }
        .btn:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(11, 94, 90, 0.2);
        }
        .btn:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
        }
        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }
        .btn-accent {
            background: var(--color-accent);
            color: var(--color-text);
        }
        .btn-accent:hover {
            background: #d3b17c;
            color: var(--color-text);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }
        .header-nav-wrap {
            background: var(--color-card);
            border-top: 1px solid rgba(11, 94, 90, 0.06);
        }
        .header-nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            min-height: 48px;
            flex-wrap: wrap;
        }
        .main-nav {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .main-nav a {
            position: relative;
            font-weight: 500;
            font-size: 15px;
            color: var(--color-text-secondary);
            padding: 12px 2px;
            display: inline-block;
            line-height: 1.4;
            transition: color .2s;
        }
        .main-nav a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 6px;
            width: 100%;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .25s ease-out;
        }
        .main-nav a:hover {
            color: var(--color-primary);
        }
        .main-nav a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .main-nav a.active::after {
            transform: scaleX(1);
        }
        .trending-tags {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .trending-tags span {
            font-size: 12px;
            color: var(--color-text-muted);
            padding-right: 4px;
        }
        .tag {
            display: inline-block;
            font-size: 12px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            border-radius: var(--radius-pill);
            padding: 3px 12px;
            line-height: 1.5;
            transition: background .2s, color .2s;
        }
        .tag:hover {
            background: var(--color-primary);
            color: #fff;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 6px 10px;
            font-size: 18px;
            color: var(--color-text);
            line-height: 1;
        }

        /* Hero */
        .page-hero {
            position: relative;
            background-color: var(--color-primary);
            background-image: linear-gradient(135deg, rgba(8, 74, 71, 0.86) 0%, rgba(11, 94, 90, 0.72) 100%), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 88px 0 72px;
        }
        .page-hero .hero-sub {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .page-hero h1 {
            font-size: 44px;
            line-height: 1.2;
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 18px;
            max-width: 700px;
        }
        .page-hero .hero-desc {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.88);
            max-width: 620px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-trust {
            display: flex;
            gap: 28px;
            margin-top: 40px;
            flex-wrap: wrap;
            padding-left: 0;
        }
        .hero-trust li {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.78);
        }
        .hero-trust li svg {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
            color: var(--color-accent);
        }

        /* Stats */
        .stats-section {
            padding: 24px 0;
            margin-top: -36px;
            position: relative;
            z-index: 2;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            gap: 16px;
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 20px;
            flex-shrink: 0;
        }
        .stat-info .stat-num {
            font-family: var(--font-num);
            font-size: 26px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .stat-info .stat-label {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        /* Section heading */
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 52px;
        }
        .section-head .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-primary-light);
            padding: 4px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .section-head h2 {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--color-text);
        }
        .section-head p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }
        .section-head.left {
            text-align: left;
            margin-left: 0;
            margin-right: 0;
        }

        /* Feature alternating */
        .features-list {
            display: flex;
            flex-direction: column;
            gap: 40px;
        }
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .feature-media {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .feature-media img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .feature-row:hover .feature-media img {
            transform: scale(1.02);
        }
        .feature-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(8, 74, 71, 0.18) 0%, transparent 60%);
            pointer-events: none;
            border-radius: var(--radius-card);
        }
        .feature-content {
            padding: 16px 0;
        }
        .feature-content .feat-tag {
            display: inline-block;
            background: var(--color-accent-light);
            color: #9a7b3f;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 18px;
        }
        .feature-content h3 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
            color: var(--color-text);
        }
        .feature-content p {
            color: var(--color-text-secondary);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .feature-list {
            display: grid;
            gap: 10px;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--color-text-secondary);
        }
        .feature-list li::before {
            content: "✓";
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-size: 11px;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* Scenarios */
        .scenario-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .scenario-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 32px;
            transition: transform .3s ease, box-shadow .3s ease;
            position: relative;
            overflow: hidden;
        }
        .scenario-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--color-accent);
            border-radius: 0 4px 4px 0;
        }
        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .scenario-icon {
            width: 52px;
            height: 52px;
            background: var(--color-primary-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--color-primary);
            margin-bottom: 20px;
        }
        .scenario-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        /* Process */
        .process-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: process;
        }
        .process-step {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: transform .3s, box-shadow .3s;
            position: relative;
        }
        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .process-step::after {
            content: "";
            position: absolute;
            top: 50%;
            right: -16px;
            width: 0;
            height: 0;
            border-top: 6px solid transparent;
            border-bottom: 6px solid transparent;
            border-left: 8px solid var(--color-border);
            transform: translateY(-50%);
            display: none;
        }
        @media(min-width:1024px) {
            .process-step:not(:last-child)::after {
                display: block;
            }
        }
        .process-num {
            font-family: var(--font-num);
            font-size: 44px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            display: block;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
        }
        .process-step h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .process-step p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* Benefits */
        .benefit-section {
            background: var(--color-primary);
            border-radius: var(--radius-card);
            padding: 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            color: rgba(255, 255, 255, 0.9);
            position: relative;
            overflow: hidden;
        }
        .benefit-left h2 {
            color: #fff;
            font-size: 28px;
            line-height: 1.35;
            margin-bottom: 14px;
        }
        .benefit-left p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .benefit-contact {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .benefit-contact .btn-accent {
            border: none;
        }
        .benefit-right {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .benefit-item {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 12px;
            padding: 20px 20px 18px;
            transition: background .3s, transform .3s;
        }
        .benefit-item:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-2px);
        }
        .benefit-item svg {
            width: 26px;
            height: 26px;
            margin-bottom: 10px;
            color: var(--color-accent);
        }
        .benefit-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 6px;
        }
        .benefit-item p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.68);
            line-height: 1.6;
            margin: 0;
        }

        /* FAQ */
        .faq-container {
            max-width: 820px;
            margin: 0 auto;
            display: grid;
            gap: 16px;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: 0 2px 8px rgba(16, 60, 58, 0.03);
            overflow: hidden;
            transition: box-shadow .3s;
        }
        .faq-item.open {
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: color .2s;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .faq-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--color-primary-light);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 16px;
            transition: transform .3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease-out;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            border-left: 3px solid var(--color-primary);
            margin-left: 24px;
            padding-left: 18px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0b5e5a 0%, #084a47 60%, #0a5551 100%);
            border-radius: 20px;
            padding: 56px;
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 48px;
            align-items: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(199, 164, 103, 0.12);
            top: -100px;
            right: -60px;
        }
        .cta-left h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .cta-left p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            margin-bottom: 26px;
            max-width: 440px;
        }
        .cta-contact-items {
            display: grid;
            gap: 12px;
        }
        .cta-contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.88);
        }
        .cta-contact-item svg {
            width: 18px;
            height: 18px;
            color: var(--color-accent);
        }
        .cta-form {
            background: var(--color-card);
            border-radius: var(--radius-card);
            padding: 32px;
            display: grid;
            gap: 16px;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
            color: var(--color-text);
        }
        .cta-form h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .cta-form .form-group {
            display: grid;
            gap: 6px;
        }
        .cta-form label {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-secondary);
        }
        .cta-form input,
        .cta-form textarea {
            width: 100%;
            border: 1px solid #D5E0DE;
            border-radius: var(--radius-btn);
            padding: 10px 14px;
            font-size: 14px;
            color: var(--color-text);
            background: #fff;
            transition: border-color .2s, box-shadow .2s;
            line-height: 1.5;
        }
        .cta-form input:focus,
        .cta-form textarea:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(11, 94, 90, 0.12);
        }
        .cta-form textarea {
            resize: vertical;
            min-height: 80px;
        }
        .cta-form .btn {
            margin-top: 8px;
            width: 100%;
        }
        .form-tip {
            font-size: 12px;
            color: var(--color-text-muted);
            text-align: center;
        }

        /* Footer */
        .site-footer {
            background: #073d3a;
            color: rgba(255, 255, 255, 0.7);
            margin-top: var(--space-section);
            padding-top: 64px;
        }
        .footer-main {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .logo:hover {
            color: #fff;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.58);
            margin-top: 10px;
            max-width: 380px;
        }
        .footer-col h4 {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 18px;
            font-weight: 600;
        }
        .footer-col ul {
            display: grid;
            gap: 10px;
        }
        .footer-col a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color .2s;
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px 0;
        }
        .footer-bottom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom .domain {
            opacity: .8;
            padding: 0 4px;
        }

        /* Reveal animation */
        .reveal {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity .6s ease-out, transform .6s ease-out;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* Responsive */
        @media (max-width: 1023px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .header-main .container {
                flex-wrap: wrap;
            }
            .header-search {
                order: 3;
                width: 100%;
                max-width: 100%;
                margin-top: 4px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-row {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .feature-media img {
                height: 260px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .process-wrap {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .process-step::after {
                display: none;
            }
            .benefit-section {
                grid-template-columns: 1fr;
                padding: 32px;
            }
            .cta-section {
                grid-template-columns: 1fr;
                padding: 40px;
                gap: 32px;
            }
            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .page-hero h1 {
                font-size: 36px;
            }
        }
        @media (max-width: 767px) {
            :root {
                --space-section: 56px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .header-main .container {
                min-height: 56px;
                gap: 10px;
            }
            .logo {
                font-size: 17px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                border-radius: 8px;
            }
            .logo-icon svg {
                width: 20px;
                height: 20px;
            }
            .header-notice {
                display: none;
            }
            .btn-sm {
                padding: 7px 14px;
                font-size: 13px;
            }
            .header-nav-wrap {
                display: none;
            }
            .header-nav-wrap.mobile-open {
                display: block;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--color-card);
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 8px 24px rgba(16, 60, 58, 0.1);
            }
            .header-nav-inner {
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
                gap: 14px;
            }
            .main-nav {
                flex-direction: column;
                gap: 0;
            }
            .main-nav a {
                padding: 10px 0;
                display: block;
                border-bottom: 1px solid rgba(11, 94, 90, 0.06);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .mobile-menu-btn {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                width: 40px;
                height: 40px;
            }
            .page-hero {
                padding: 64px 0 56px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .page-hero .hero-desc {
                font-size: 15px;
            }
            .hero-actions .btn {
                padding: 10px 18px;
                font-size: 14px;
            }
            .hero-trust {
                flex-direction: column;
                gap: 8px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 16px;
                gap: 10px;
            }
            .stat-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
                border-radius: 8px;
            }
            .stat-info .stat-num {
                font-size: 20px;
            }
            .stat-info .stat-label {
                font-size: 12px;
            }
            .section-head {
                margin-bottom: 36px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .section-head p {
                font-size: 14px;
            }
            .feature-content h3 {
                font-size: 21px;
            }
            .feature-media img {
                height: 200px;
            }
            .scenario-card {
                padding: 24px 20px;
            }
            .process-wrap {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .benefit-section {
                padding: 24px;
                gap: 24px;
                border-radius: 16px;
            }
            .benefit-right {
                grid-template-columns: 1fr;
            }
            .benefit-left h2 {
                font-size: 22px;
            }
            .cta-section {
                padding: 28px 20px;
                border-radius: 16px;
            }
            .cta-left h2 {
                font-size: 22px;
            }
            .cta-form {
                padding: 24px 18px;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px 18px;
            }
            .faq-answer-inner {
                margin-left: 0;
                padding-left: 14px;
                margin-right: 16px;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 32px;
            }
            .footer-bottom .container {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .feature-list li {
                font-size: 13px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .header-search input {
                font-size: 13px;
            }
            .page-hero .hero-sub {
                font-size: 12px;
                padding: 4px 12px;
            }
        }