/* roulang page: index */
:root {
  --brand-900: #053F36;
  --brand-700: #0B5C4C;
  --brand-500: #12806A;
  --brand-300: #65BC9A;
  --brand-50: #E8F4F0;
  --ink-900: #17201D;
  --ink-600: #55635E;
  --ink-light: #88918C;
  --paper: #F8F7F2;
  --white: #FFFFFF;
  --accent-500: #F2A73B;
  --accent-600: #D97F16;
  --line: #E6E2D8;
  --success: #27A878;
  --font-main: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  --font-num: "DIN Alternate", "Oswald", "Bahnschrift", "Arial Narrow", sans-serif;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(23, 32, 29, 0.05), 0 10px 24px rgba(23, 32, 29, 0.05);
  --shadow-hover: 0 22px 38px rgba(5, 63, 54, 0.14);
  --section-space: 96px;
  --container: 1240px;
  --gradient-brand: linear-gradient(135deg, #053F36 0%, #12806A 55%, #65BC9A 100%);
  --gradient-accent: linear-gradient(115deg, #F2A73B, #D97F16);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--paper);
  color: var(--ink-900);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

ul, ol {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

button {
  border: none;
  cursor: pointer;
  background: none;
}

input, select, textarea {
  outline: none;
}

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

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

.section-head {
  max-width: 760px;
  margin-bottom: 44px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--brand-500);
  background: var(--brand-50);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  margin-bottom: 16px;
}

.kicker::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-500);
}

.section-head h2 {
  font-size: 34px;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

.section-head p {
  color: var(--ink-600);
  font-size: 16px;
}

.section-dark .section-head h2 {
  color: #fff;
}

.section-dark .section-head p {
  color: rgba(255, 255, 255, 0.74);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 15px;
  padding: 12px 24px;
  min-height: 44px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  gap: 8px;
  line-height: 1.2;
  text-align: center;
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-600);
  outline-offset: 2px;
}

.btn-accent {
  background: var(--gradient-accent);
  color: #231A0A;
  box-shadow: 0 10px 24px rgba(217, 127, 22, 0.25);
}

.btn-accent:hover {
  box-shadow: 0 16px 30px rgba(217, 127, 22, 0.32);
  transform: translateY(-2px);
  border-color: #FBE2B6;
}

.btn-accent:active,
.btn-outline:active,
.btn-ghost-white:active {
  transform: scale(0.98);
}

.btn-dark {
  background: var(--brand-700);
  color: #fff;
  box-shadow: 0 10px 22px rgba(11, 92, 76, 0.2);
}

.btn-dark:hover {
  background: var(--brand-900);
  transform: translateY(-2px);
}

.btn-outline {
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--brand-700);
}

.btn-outline:hover {
  border-color: var(--brand-500);
  background: var(--brand-50);
}

.btn-ghost-white {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.62);
  color: #fff;
}

.btn-ghost-white:hover {
  background: rgba(255, 255, 255, 0.13);
  border-color: #fff;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #EAE5DC;
  height: 72px;
}

.site-header.is-scrolled {
  box-shadow: 0 8px 18px rgba(5, 63, 54, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 72px;
  gap: 30px;
}

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

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: var(--gradient-brand);
  color: #fff;
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.03em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 16px rgba(5, 63, 54, 0.18);
  text-transform: uppercase;
}

.logo-text {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-600);
  white-space: nowrap;
  position: relative;
}

.nav-link:hover {
  color: var(--brand-700);
  background: var(--brand-50);
}

.nav-link.active {
  color: var(--brand-700);
  font-weight: 700;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--brand-500);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-search {
  display: flex;
  align-items: center;
  border: 1px solid var(--line);
  background: #FCFBF7;
  height: 42px;
  border-radius: var(--radius-pill);
  padding: 0 4px 0 14px;
  transition: border 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
}

.nav-search:focus-within {
  border-color: var(--brand-500);
  box-shadow: 0 0 0 3px rgba(18, 128, 106, 0.12);
  background: #fff;
}

.nav-search input {
  border: none;
  background: transparent;
  width: 132px;
  height: 100%;
  font-size: 14px;
  color: var(--ink-900);
}

.nav-search input::placeholder {
  color: #9BA39F;
}

.nav-search-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-700);
  color: #fff;
  transition: background 0.2s ease;
}

.nav-search-btn:hover {
  background: var(--accent-600);
}

.nav-cta {
  min-height: 40px;
  padding: 0 18px;
  font-size: 14px;
  white-space: nowrap;
}

.nav-toggle {
  width: 42px;
  height: 42px;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--white);
  gap: 5px;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--ink-900);
  border-radius: 2px;
  display: block;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle span {
  position: relative;
}

.nav-toggle span::before {
  position: absolute;
  top: -6px;
}

.nav-toggle span::after {
  position: absolute;
  top: 6px;
}

.nav-wrap.open .nav-toggle span {
  background: transparent;
}

.nav-wrap.open .nav-toggle span::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-wrap.open .nav-toggle span::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  color: #fff;
  background:
    linear-gradient(112deg, rgba(3, 54, 46, 0.93), rgba(7, 88, 72, 0.82)),
    url("/assets/images/backpic/back-1.webp") center / cover no-repeat, var(--brand-900);
  padding: 104px 0 132px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  mask-image: linear-gradient(140deg, #000, transparent 88%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 60px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #FADBA3;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: 50px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 650px;
  margin-bottom: 18px;
}

.hero-lead {
  font-size: 17px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.86);
  max-width: 610px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 26px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.76);
  font-weight: 600;
}

.hero-tags li {
  position: relative;
  padding-left: 18px;
}

.hero-tags li::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--accent-500);
  border-radius: 50%;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

.hero-preview {
  position: relative;
  display: flex;
  justify-content: center;
}

.preview-frame {
  position: relative;
  max-width: 468px;
  width: 100%;
}

.preview-frame::before {
  content: "";
  position: absolute;
  inset: -16px;
  border-radius: 36px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.14), transparent 55%);
  z-index: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.preview-frame img {
  width: 100%;
  border-radius: 26px;
  box-shadow: 0 34px 80px rgba(0, 0, 0, 0.34);
  position: relative;
  z-index: 1;
}

.floating-stat {
  position: absolute;
  z-index: 3;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-radius: 18px;
  padding: 14px 18px;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.2);
  color: var(--ink-900);
  min-width: 154px;
}

.floating-stat .stat-num {
  font-family: var(--font-num);
  font-size: 26px;
  font-weight: 800;
  color: var(--brand-700);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  display: block;
}

.floating-stat .stat-caption {
  font-size: 12px;
  color: var(--ink-600);
  margin-top: 4px;
}

.stat-btn {
  top: 56px;
  right: -18px;
}

.stat-search {
  bottom: 40px;
  left: -30px;
}

.stat-search .stat-num {
  color: var(--accent-600);
  font-size: 20px;
}

/* Metrics */
.metrics-strip {
  position: relative;
  z-index: 3;
  margin-top: -64px;
  padding-bottom: 90px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.metric-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 26px 26px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid #EFEDE5;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.metric-card::after {
  content: "";
  position: absolute;
  right: -28px;
  top: -28px;
  width: 86px;
  height: 86px;
  background: var(--brand-50);
  border-radius: 50%;
  opacity: 0.7;
}

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

.metric-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-600);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.metric-label i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-500);
  display: inline-block;
}

.metric-value {
  font-family: var(--font-num);
  font-size: 38px;
  font-weight: 800;
  line-height: 1;
  color: var(--brand-700);
  font-variant-numeric: tabular-nums;
  margin-bottom: 8px;
}

.metric-desc {
  font-size: 14px;
  color: var(--ink-600);
  line-height: 1.7;
}

.metric-score {
  color: var(--accent-600);
}

/* Service */
.service-section {
  background: transparent;
}

.service-headbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 44px;
  gap: 24px;
}

.service-headbar h2 {
  font-size: 32px;
  font-weight: 800;
}

.service-headbar p {
  color: var(--ink-600);
  max-width: 420px;
  font-size: 15px;
}

.svc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}

.svc-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid #EFEDE5;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
}

.svc-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: #DCEDE7;
}

.svc-num {
  position: absolute;
  right: 28px;
  top: 24px;
  font-family: var(--font-num);
  font-size: 46px;
  font-weight: 800;
  line-height: 1;
  color: var(--brand-50);
  z-index: 0;
}

.svc-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  position: relative;
  z-index: 1;
}

.svc-icon {
  width: 50px;
  height: 50px;
  border-radius: 16px;
  background: var(--gradient-brand);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 18px rgba(5, 63, 54, 0.14);
}

.svc-card h3 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 2px;
  line-height: 1.4;
}

.svc-card .svc-brief {
  color: var(--ink-600);
  font-size: 15px;
  line-height: 1.8;
  flex: 1;
}

.svc-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
}

.data-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--brand-50);
  color: var(--brand-700);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 13px;
}

.svc-link {
  margin-left: auto;
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-500);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.svc-link:hover {
  color: var(--accent-600);
}

.trend-strip {
  margin-top: 28px;
  border-radius: 18px;
  background: linear-gradient(120deg, var(--brand-900), var(--brand-500) 55%, var(--brand-300));
  color: rgba(255, 255, 255, 0.94);
  padding: 20px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  overflow: hidden;
  position: relative;
  font-size: 15px;
  font-weight: 600;
}

.trend-strip::after {
  content: "";
  height: 4px;
  width: 130px;
  background: var(--gradient-accent);
  border-radius: 4px;
  flex-shrink: 0;
}

.trend-strip span {
  background: rgba(255, 255, 255, 0.12);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  white-space: nowrap;
}

/* Compare */
.compare-section {
  background: var(--brand-900);
  padding: var(--section-space) 0 110px;
  color: #fff;
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.compare-card {
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 30px;
  backdrop-filter: blur(6px);
}

.compare-card.hth-card {
  background: linear-gradient(145deg, rgba(18, 128, 106, 0.28), rgba(5, 63, 54, 0.6));
  border-color: rgba(101, 188, 154, 0.4);
  box-shadow: 0 0 0 1px rgba(101, 188, 154, 0.12);
}

.compare-card h4 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.compare-card p {
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
  margin-bottom: 22px;
}

.compare-list {
  display: grid;
  gap: 15px;
}

.compare-item {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 18px;
  background: rgba(255, 255, 255, 0.05);
  padding: 14px 16px;
  border-radius: 14px;
}

.hth-card .compare-item {
  background: rgba(255, 255, 255, 0.07);
}

.compare-item-title {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.88);
  font-weight: 600;
}

.compare-item-value {
  font-family: var(--font-num);
  font-size: 19px;
  font-weight: 800;
  color: var(--accent-500);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.hth-card .compare-item-value {
  color: #9BE6C8;
}

.compare-bar {
  grid-column: 1 / -1;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  overflow: hidden;
  margin-top: -6px;
}

.compare-bar i {
  display: block;
  height: 100%;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.28);
}

.hth-card .compare-bar i {
  background: linear-gradient(90deg, #65BC9A, #F2A73B);
}

/* News */
.news-section {
  background: var(--paper);
}

.news-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: 28px;
  align-items: stretch;
}

.news-feature {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  min-height: 360px;
  background: var(--brand-700);
  display: flex;
  align-items: flex-end;
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.news-feature img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-feature::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(185deg, rgba(5, 63, 54, 0.08), rgba(3, 42, 35, 0.9));
}

.news-feature-content {
  position: relative;
  z-index: 1;
  padding: 30px;
}

.news-feature-content h3 {
  font-size: 26px;
  margin-bottom: 8px;
  color: #fff;
}

.news-feature-content p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.86);
  margin-bottom: 20px;
}

.news-list {
  display: grid;
  gap: 14px;
  align-content: space-between;
}

.news-item {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid #EFEDE5;
  padding: 0;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.news-item a {
  display: flex;
  gap: 16px;
  align-items: stretch;
  min-height: 128px;
}

.news-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: #DCEBE4;
}

.news-thumb {
  width: 116px;
  background: var(--brand-50);
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-thumb::after {
  content: "hth";
  position: absolute;
  right: 4px;
  bottom: 2px;
  color: rgba(18, 128, 106, 0.22);
  font-weight: 900;
  font-family: var(--font-num);
  font-size: 12px;
}

.news-content {
  padding: 16px 18px 14px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.news-cate {
  align-self: flex-start;
  background: var(--brand-50);
  color: var(--brand-700);
  border-radius: 8px;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 700;
}

.news-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--ink-900);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-excerpt {
  font-size: 13px;
  color: var(--ink-600);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-time {
  font-size: 12px;
  color: #9BA39D;
  margin-top: auto;
}

.news-empty {
  background: var(--white);
  border: 1px dashed #CAD4CD;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  color: var(--ink-600);
  font-size: 14px;
  min-height: 120px;
}

/* faq */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border: 1px solid #EFEDE5;
  border-radius: 18px;
  margin-bottom: 12px;
  padding: 6px 0;
  transition: border 0.2s ease, box-shadow 0.2s ease;
}

.faq-item.active {
  border-color: var(--brand-500);
  box-shadow: 0 10px 24px rgba(5, 63, 54, 0.07);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  text-align: left;
  color: var(--ink-900);
  font-size: 17px;
  font-weight: 700;
  padding: 18px 22px;
  min-height: 56px;
  background: transparent;
  border-radius: 18px;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--brand-50);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  color: var(--brand-700);
  flex-shrink: 0;
  transition: transform 0.25s ease, background 0.3s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  border-radius: 2px;
}

.faq-icon::before {
  width: 10px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 10px;
}

.faq-item.active .faq-icon {
  background: var(--brand-700);
  color: #fff;
  transform: rotate(45deg);
}

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

.faq-answer p {
  padding: 0 22px 22px;
  color: var(--ink-600);
  line-height: 1.85;
}

.faq-item.active .faq-answer {
  max-height: 240px;
}

/* Contact */
.contact-section {
  background:
    linear-gradient(to right, rgba(248, 247, 242, 0.96), rgba(248, 247, 242, 0.74)),
    url("/assets/images/backpic/back-3.webp") center / cover no-repeat;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 70px;
  align-items: center;
}

.contact-intro h2 {
  font-size: 34px;
  line-height: 1.3;
  font-weight: 800;
  margin-bottom: 16px;
}

.contact-intro > p {
  font-size: 16px;
  color: var(--ink-600);
  margin-bottom: 20px;
}

.contact-points {
  display: grid;
  gap: 14px;
}

.contact-points li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  color: var(--ink-600);
  font-size: 15px;
}

.contact-points li i {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--brand-50);
  color: var(--brand-700);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 3px;
}

.form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 34px;
  box-shadow: var(--shadow-sm);
  border: 1px solid #EFEDE5;
}

.form-grid {
  display: grid;
  gap: 20px;
}

.form-field {
  display: grid;
  gap: 7px;
}

.form-field label {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-900);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  height: 48px;
  background: #FCFBF7;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0 16px;
  color: var(--ink-900);
  transition: border 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.form-field textarea {
  height: 104px;
  resize: vertical;
  padding: 13px 16px;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--brand-500);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(18, 128, 106, 0.1);
}

.form-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 50px;
  margin-top: 4px;
}

.form-note {
  font-size: 12px;
  color: var(--ink-light);
  text-align: center;
  margin-top: 8px;
}

.form-alert {
  min-height: 22px;
  font-size: 13px;
  color: var(--success);
  text-align: center;
}

/* footer */
.site-footer {
  background: linear-gradient(140deg, #042F29, #0B5C4C 75%);
  color: rgba(255, 255, 255, 0.78);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 52px;
  padding-bottom: 48px;
}

.footer-brand .logo-icon {
  box-shadow: none;
}

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

.footer-about {
  margin: 16px 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.72);
  max-width: 360px;
}

.footer-title {
  color: #fff;
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 15px;
}

.footer-nav {
  display: grid;
  gap: 11px;
}

.footer-nav a,
.footer-nav span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
}

.footer-nav a:hover {
  color: var(--accent-500);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 24px 0 22px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

/* responsive */
@media (min-width: 1080px) {
  .nav-wrap.open .nav-list {
    display: flex;
  }
}

@media (max-width: 1080px) {
  .nav-list {
    gap: 2px;
  }
  .nav-link {
    padding: 0 10px;
    font-size: 14px;
  }
  .nav-search input {
    width: 92px;
  }
  .hero h1 {
    font-size: 42px;
  }
}

@media (max-width: 920px) {
  :root {
    --section-space: 76px;
  }
  .site-nav {
    margin-left: auto;
    position: fixed;
    top: 72px;
    right: 0;
    bottom: 0;
    width: min(78vw, 350px);
    background: var(--white);
    border-left: 1px solid var(--line);
    box-shadow: -24px 0 60px rgba(5, 63, 54, 0.12);
    transform: translateX(105%);
    transition: transform 0.3s ease;
    padding: 24px 20px;
    z-index: 98;
    display: block;
    overflow-y: auto;
  }
  .nav-wrap.open .site-nav {
    transform: translateX(0);
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .nav-link {
    display: flex;
    min-height: 48px;
    padding: 0 14px;
    border-radius: 14px;
    font-size: 15px;
  }
  .nav-link.active {
    background: var(--brand-50);
  }
  .nav-link.active::after {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 820px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-preview {
    justify-content: center;
  }
  .stat-btn {
    right: 2%;
  }
  .stat-search {
    left: 2%;
  }
  .metric-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .svc-grid {
    grid-template-columns: 1fr;
  }
  .compare-grid,
  .news-layout,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .news-feature {
    min-height: 260px;
  }
  .hero {
    padding: 70px 0 110px;
  }
}

@media (max-width: 600px) {
  :root {
    --section-space: 58px;
  }
  .container {
    padding: 0 18px;
  }
  .header-inner {
    gap: 14px;
  }
  .logo-text {
    font-size: 19px;
  }
  .nav-cta {
    padding: 0 14px;
    min-height: 38px;
    font-size: 13px;
  }
  .nav-search {
    display: flex;
    max-width: 128px;
  }
  .nav-search input {
    width: 78px;
    font-size: 13px;
  }
  .section-head h2 {
    font-size: 27px;
  }
  .hero h1 {
    font-size: 33px;
  }
  .hero-lead {
    font-size: 15px;
  }
  .metric-grid {
    gap: 12px;
  }
  .metric-card {
    padding: 20px;
  }
  .metric-value {
    font-size: 31px;
  }
  .svc-card {
    padding: 24px;
  }
  .svc-card h3 {
    font-size: 20px;
  }
  .compare-card {
    padding: 22px;
  }
  .trend-strip {
    flex-direction: column;
    align-items: flex-start;
  }
  .trend-strip::after {
    width: 100%;
  }
  .form-card {
    padding: 24px;
  }
  .floating-stat {
    padding: 10px 14px;
    min-width: 126px;
  }
  .floating-stat .stat-num {
    font-size: 21px;
  }
  .stat-btn {
    top: 20px;
  }
  .stat-search {
    bottom: 16px;
  }
}

@media (max-width: 440px) {
  .nav-search {
    display: none;
  }
}

@media (max-width: 380px) {
  .nav-cta {
    padding: 0 12px;
    font-size: 12px;
  }
  .logo-icon {
    width: 35px;
    height: 35px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* roulang page: category1 */
:root {
  --brand-900: #053F36;
  --brand-800: #06483C;
  --brand-700: #0B5C4C;
  --brand-500: #12806A;
  --brand-300: #65BC9A;
  --brand-50: #E8F4F0;
  --ink-900: #17201D;
  --ink-600: #55635E;
  --ink-300: #9AA6A1;
  --paper: #F8F7F2;
  --white: #FFFFFF;
  --accent-500: #F2A73B;
  --accent-600: #D97F16;
  --line: #E6E2D8;
  --success: #27A878;
  --danger: #C14B36;
  --radius-xl: 24px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --shadow-card: 0 1px 2px rgba(23,32,29,.05), 0 10px 24px rgba(23,32,29,.05);
  --shadow-card-hover: 0 22px 38px rgba(5,63,54,.14);
  --font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  --font-number: "DIN Alternate", "Oswald", "Bahnschrift", "Arial Narrow", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  background-color: var(--paper);
  background-image: radial-gradient(rgba(18,128,106,.045) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--ink-900);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
button { cursor: pointer; border: none; background: none; }
:focus-visible {
  outline: 2px solid #D97F16;
  outline-offset: 2px;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
section { position: relative; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  transition: transform .18s ease, box-shadow .18s ease, background .2s ease;
}
.btn:active { transform: scale(.98); }
.btn-accent {
  background: linear-gradient(135deg, #F2A73B 0%, #E98B18 55%, #D97F16 100%);
  color: #2B1A04;
  box-shadow: 0 8px 20px rgba(217,127,22,.22), inset 0 0 0 1px rgba(255,255,255,.28);
}
.btn-accent:hover {
  box-shadow: 0 12px 26px rgba(217,127,22,.32), inset 0 1px 0 rgba(255,255,255,.45);
  transform: translateY(-2px);
}
.btn-dark {
  background: linear-gradient(135deg, #053F36, #0B5C4C);
  color: #fff;
  box-shadow: 0 8px 20px rgba(5,63,54,.18);
}
.btn-dark:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(5,63,54,.28); }
.btn-outline-light {
  border: 1px solid rgba(255,255,255,.72);
  color: #fff;
  background: rgba(255,255,255,.08);
}
.btn-outline-light:hover { background: rgba(255,255,255,.16); transform: translateY(-2px); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  height: 72px;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #EAE5DC;
  transition: box-shadow .25s ease;
}
.site-header.is-scrolled { box-shadow: 0 8px 18px rgba(5,63,54,.07); }
.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: linear-gradient(135deg, #053F36, #12806A 70%, #65BC9A);
  color: #fff;
  font-weight: 800;
  font-family: var(--font-number);
  font-size: 16px;
  letter-spacing: .04em;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.2);
}
.logo-text {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--ink-900);
  white-space: nowrap;
}
.site-nav {
  margin-left: 12px;
  flex: 1;
  display: flex;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  color: var(--ink-900);
  font-weight: 500;
  font-size: 15px;
  transition: background .2s ease, color .2s ease;
}
.nav-link:hover { color: var(--brand-700); background: var(--brand-50); }
.nav-link.active { color: var(--brand-700); background: var(--brand-50); font-weight: 700; }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.nav-search {
  position: relative;
  width: 204px;
  height: 40px;
}
.nav-search input {
  width: 100%;
  height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: #F5F1E8;
  color: var(--ink-900);
  padding: 0 38px 0 16px;
  font-size: 14px;
  transition: border .2s ease, background .2s ease, box-shadow .2s ease;
}
.nav-search input::placeholder { color: var(--ink-300); }
.nav-search input:focus {
  border-color: var(--brand-500);
  background: var(--white);
  outline: none;
  box-shadow: 0 0 0 3px rgba(18,128,106,.14);
}
.nav-search-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--ink-600);
  transition: color .2s, background .2s;
}
.nav-search-btn:hover { color: var(--brand-500); background: var(--brand-50); }
.nav-cta { height: 40px; padding: 0 20px; font-size: 14px; white-space: nowrap; }
.nav-toggle { display: none; width: 42px; height: 42px; position: relative; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: "";
  position: absolute;
  left: 10px;
  width: 22px;
  height: 2px;
  background: var(--ink-900);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.nav-toggle span { top: 20px; }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }

.hero-cat {
  background: linear-gradient(135deg, rgba(3,28,24,.94) 0%, rgba(5,63,54,.92) 42%, rgba(18,128,106,.78) 100%), url("/assets/images/backpic/back-1.webp") center / cover;
  color: #fff;
  padding: 96px 0 88px;
  overflow: hidden;
}
.hero-cat::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: rgba(255,255,255,.66);
  margin-bottom: 30px;
}
.breadcrumb a { color: rgba(255,255,255,.82); transition: color .2s; }
.breadcrumb a:hover { color: #F2C379; }
.hero-cat h1 {
  font-size: clamp(32px, 5vw, 50px);
  line-height: 1.2;
  font-weight: 800;
  max-width: 760px;
  letter-spacing: .02em;
}
.hero-cat h1 .grad-word {
  background: linear-gradient(120deg, #F2D38C, #F2A73B);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-cat .hero-lead {
  max-width: 720px;
  margin-top: 20px;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(255,255,255,.82);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 680px;
  margin-top: 50px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius-xl);
  padding: 22px 24px;
  backdrop-filter: blur(8px);
}
.metric-item strong {
  display: block;
  font-family: var(--font-number);
  font-size: 30px;
  line-height: 1.1;
  color: #fff;
  font-variant-numeric: tabular-nums;
}
.metric-item strong small { font-size: 18px; color: #F2D38C; margin-left: 2px; }
.metric-item span { font-size: 13px; color: rgba(255,255,255,.68); margin-top: 2px; display: block; }

.section {
  padding: 84px 0;
}
.section-head {
  max-width: 760px;
  margin-bottom: 46px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--brand-500);
  background: var(--brand-50);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(28px, 3.5vw, 38px);
  line-height: 1.3;
  font-weight: 800;
  color: var(--ink-900);
}
.section-head p {
  margin-top: 14px;
  color: var(--ink-600);
  font-size: 16px;
}

.service-intro { padding-bottom: 0; }
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}
.service-card {
  position: relative;
  background: var(--white);
  border: 1px solid rgba(235,232,223,.8);
  border-radius: var(--radius-xl);
  padding: 32px;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: transform .24s ease, box-shadow .24s ease;
}
.service-card::after {
  content: "";
  position: absolute;
  left: 30px;
  right: 30px;
  bottom: -6px;
  height: 22px;
  background: radial-gradient(ellipse at center, rgba(5,63,54,.16), transparent 68%);
  opacity: 0;
  transition: opacity .24s;
  z-index: -1;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.service-card:hover::after { opacity: 1; }
.service-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}
.service-no {
  font-family: var(--font-number);
  font-size: 44px;
  font-weight: 800;
  line-height: .9;
  color: transparent;
  -webkit-text-stroke: 1px rgba(18,128,106,.34);
}
.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, #053F36, #12806A 72%, #65BC9A);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 20px rgba(5,63,54,.22);
  flex-shrink: 0;
}
.service-card h3 {
  font-size: 23px;
  font-weight: 800;
  margin: 26px 0 10px;
  color: var(--ink-900);
  line-height: 1.4;
}
.service-card p {
  color: var(--ink-600);
  font-size: 15px;
  line-height: 1.75;
}
.service-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 24px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--brand-50);
  color: var(--brand-700);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 8px;
  line-height: 1.3;
}
.badge-solid { color: #fff; background: linear-gradient(135deg, #0B5C4C, #12806A); }
.link-more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-600);
  transition: gap .2s, color .2s;
}
.link-more:hover { gap: 9px; color: var(--accent-500); }
.trend-strip {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  min-height: 64px;
  border: 1px dashed #B9D7CC;
  background: linear-gradient(90deg, rgba(232,244,240,.95), rgba(255,255,255,.5));
  border-radius: 20px;
  padding: 12px 26px;
}
.trend-dots { display: flex; gap: 6px; align-items: center; flex: 1; min-width: 160px; }
.trend-dots i {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-300);
}
.trend-dots i:nth-child(2n) { background: var(--accent-500); }
.trend-dots i:nth-child(3n) { background: var(--brand-500); }
.trend-strip strong { color: var(--brand-700); font-size: 16px; white-space: nowrap; }
.trend-strip span { font-size: 14px; color: var(--ink-600); }

.deep-section {
  background: linear-gradient(135deg, #02251F 0%, #053F36 45%, #0B5C4C 100%);
  color: #fff;
  overflow: hidden;
}
.deep-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 70px 70px;
  pointer-events: none;
}
.deep-section .container { position: relative; z-index: 1; }
.deep-head h2 { color: #fff; }
.deep-head p { color: rgba(255,255,255,.7); }
.deep-head .section-kicker { background: rgba(255,255,255,.1); color: #F2D38C; }
.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 26px;
}
.compare-card {
  background: #fff;
  color: var(--ink-900);
  border-radius: var(--radius-xl);
  padding: 30px;
  box-shadow: 0 18px 38px rgba(0,0,0,.16);
}
.compare-card .card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 20px;
  margin-bottom: 10px;
}
.compare-card .card-sub { color: var(--ink-600); font-size: 14px; margin-bottom: 22px; }
.compare-card .card-head-icon { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; color: #fff; flex-shrink: 0; }
.compare-old .card-head-icon { background: #D7A47A; }
.new-card { border: 2px solid rgba(242,167,59,.5); position: relative; background: linear-gradient(180deg, #FFFFFF 0%, #F2FAF6 100%); }
.new-card .card-head-icon { background: linear-gradient(135deg, #053F36, #12806A); }
.compare-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid #F0ECE2;
  color: var(--ink-600);
  font-size: 15px;
  line-height: 1.65;
}
.compare-list li:last-child { border-bottom: none; }
.compare-list .mark {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 800;
  line-height: 1;
  margin-top: 3px;
}
.old-list .mark { background: #FBE9E3; color: var(--danger); }
.new-list .mark { background: #DDF2E7; color: var(--success); }
.new-note {
  margin-top: 22px;
  border-radius: 14px;
  background: var(--brand-50);
  border: 1px solid #CDE3DA;
  padding: 13px 16px;
  color: var(--brand-800);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
}

.scene-card-wrap {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}
.scene-card {
  background: #fff;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(235,232,223,.7);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition: transform .24s, box-shadow .24s;
}
.scene-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-card-hover); }
.scene-cover {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, #DFECE6, #E8F4F0);
}
.scene-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.scene-card:hover .scene-cover img { transform: scale(1.05); }
.scene-body { padding: 24px 26px 26px; display: flex; flex-direction: column; flex: 1; }
.scene-body h3 { font-size: 21px; font-weight: 800; }
.scene-body p { color: var(--ink-600); font-size: 15px; margin-top: 8px; line-height: 1.75; flex: 1; }
.scene-tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

.process-section { background: #EEF2EC; }
.process-wrap { margin-top: 44px; }
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}
.step-card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 24px;
  position: relative;
  box-shadow: var(--shadow-card);
  transition: transform .22s;
}
.step-card:hover { transform: translateY(-4px); }
.step-arrow {
  position: absolute;
  right: -17px;
  top: 32px;
  z-index: 2;
  color: var(--brand-300);
  font-size: 18px;
  font-weight: 800;
}
.step-card:last-child .step-arrow { display: none; }
.step-index {
  font-family: var(--font-number);
  font-size: 34px;
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(18,128,106,.45);
}
.step-time {
  display: inline-flex;
  align-items: center;
  background: #F8F1E1;
  color: #A4660E;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  margin: 18px 0 10px;
}
.step-card h3 { font-size: 18px; font-weight: 800; line-height: 1.4; }
.step-card p { font-size: 14px; color: var(--ink-600); margin-top: 9px; line-height: 1.7; }
.deliver-card {
  margin-top: 30px;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(18,128,106,.2);
  border-radius: var(--radius-xl);
  padding: 30px;
  backdrop-filter: blur(6px);
}
.deliver-card .deliver-title { font-size: 21px; font-weight: 800; color: var(--brand-800); }
.deliver-card .deliver-title span { color: var(--accent-600); }
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #fff;
  border: 1px solid #DCE6E0;
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-900);
  transition: border .2s, background .2s, transform .2s;
}
.tag::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--brand-500); }
.tag:hover { border-color: var(--brand-300); transform: translateY(-1px); background: var(--brand-50); }

.faq-wrap {
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 40px;
}
.faq-item {
  background: #fff;
  border: 1px solid #EEE9DE;
  border-radius: 18px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border .25s, box-shadow .25s;
}
.faq-item.open {
  border-color: rgba(18,128,106,.5);
  box-shadow: 0 10px 24px rgba(5,63,54,.08);
}
.faq-q {
  width: 100%;
  text-align: left;
  padding: 20px 22px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-900);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 64px;
}
.faq-q .faq-sign {
  position: relative;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--brand-50);
  color: var(--brand-700);
  transition: transform .3s, background .2s;
}
.faq-q .faq-sign::before, .faq-q .faq-sign::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: currentColor;
  border-radius: 2px;
  transform: translate(-50%, -50%);
}
.faq-q .faq-sign::before { width: 3px; height: 13px; }
.faq-q .faq-sign::after { width: 13px; height: 3px; }
.faq-item.open .faq-sign { transform: rotate(45deg); background: var(--brand-500); color: #fff; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, opacity .3s;
  opacity: 0;
}
.faq-a-inner { padding: 0 24px 22px; color: var(--ink-600); font-size: 15px; line-height: 1.85; }
.faq-item.open .faq-a { max-height: 900px; opacity: 1; }

.contact-section {
  background: linear-gradient(135deg, #F3EDDD 0%, #F8F7F2 55%, #E6F0E8 100%);
  padding: 84px 0;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 44px;
  align-items: center;
}
.contact-intro h2 { font-size: clamp(30px,3.6vw,40px); font-weight: 800; line-height: 1.3; }
.contact-intro .accent-word { color: var(--accent-600); }
.contact-intro p { margin-top: 18px; color: var(--ink-600); font-size: 16px; line-height: 1.85; }
.contact-checklist { margin-top: 24px; display: grid; gap: 12px; }
.contact-checklist li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  color: var(--brand-800);
}
.check-pill {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--brand-500);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
  flex-shrink: 0;
}
.form-card {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card-hover);
  padding: 30px;
}
.form-title { font-size: 22px; font-weight: 800; }
.form-title small { display: block; font-size: 14px; color: var(--ink-600); font-weight: 400; margin-top: 6px; line-height: 1.65; }
.site-form { margin-top: 20px; display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field label {
  display: block;
  font-size: 14px;
  color: var(--ink-900);
  font-weight: 600;
  margin-bottom: 7px;
}
.field input, .field select, .field textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #FAF8F1;
  border-radius: 14px;
  height: 48px;
  padding: 0 14px;
  font-size: 15px;
  color: var(--ink-900);
  outline: none;
  transition: border .2s, box-shadow .2s, background .2s;
}
.field textarea { height: 110px; padding: 12px 14px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--brand-500);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(18,128,106,.13);
}
.form-submit { width: 100%; }
.form-foot {
  font-size: 12px;
  color: var(--ink-300);
  text-align: center;
  margin-top: 12px;
}
.form-success {
  text-align: center;
  padding: 30px 10px;
}
.form-success .ok-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--brand-50);
  color: var(--brand-500);
  display: grid;
  place-items: center;
  font-size: 24px;
  font-weight: 900;
  margin: 0 auto 14px;
}
.form-success h3 { font-size: 20px; }
.form-success p { color: var(--ink-600); font-size: 14px; margin-top: 6px; }

.site-footer {
  background: linear-gradient(135deg, #042B25 0%, #0A4A3C 60%, #0B5C4C 100%);
  color: rgba(255,255,255,.8);
}
.site-footer .container { padding-top: 56px; padding-bottom: 28px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr .8fr 1fr;
  gap: 40px;
}
.footer-brand .logo-text { color: #fff; }
.footer-brand .logo-icon { box-shadow: inset 0 1px 0 rgba(255,255,255,.25), 0 8px 18px rgba(0,0,0,.16); }
.footer-about { font-size: 15px; line-height: 1.8; margin-top: 18px; max-width: 420px; color: rgba(255,255,255,.68); }
.footer-brand .data-badge {
  display: inline-flex;
  align-items: center;
  background: rgba(255,255,255,.12);
  border-radius: 999px;
  padding: 6px 14px;
  margin-top: 20px;
  font-size: 12px;
  font-weight: 700;
}
.footer-title { font-size: 16px; font-weight: 800; color: #fff; margin-top: 12px; margin-bottom: 18px; }
.footer-nav { display: flex; flex-direction: column; gap: 12px; }
.footer-nav a { font-size: 14px; color: rgba(255,255,255,.68); transition: color .2s, padding-left .2s; }
.footer-nav a:hover { color: #F2C379; padding-left: 3px; }
.footer-bottom {
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.14);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.52);
}

@media (max-width: 1199px) {
  .nav-search { width: 160px; }
  .nav-link { padding: 0 10px; font-size: 14px; }
  .process-grid { grid-template-columns: repeat(3, minmax(0,1fr)); row-gap: 30px; }
  .step-card:nth-child(3) .step-arrow { display: none; }
}
@media (max-width: 991px) {
  .header-inner { gap: 12px; }
  .nav-link { padding: 0 8px; }
  .section { padding: 68px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .compare-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-metrics { padding: 16px 18px; gap: 8px; }
  .metric-item strong { font-size: 24px; }
}
@media (max-width: 767px) {
  .container { padding-left: 20px; padding-right: 20px; }
  .site-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid #EEE9DE;
    flex-direction: column;
    padding: 16px 20px 22px;
    max-height: calc(100vh - 90px);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .25s, transform .25s, visibility .25s;
    box-shadow: 0 16px 26px rgba(5,63,54,.08);
    border-radius: 0 0 24px 24px;
  }
  .nav-list { flex-direction: column; align-items: stretch; }
  .nav-link { justify-content: center; height: 46px; }
  .header-inner.nav-open .site-nav,
  .nav-open .site-nav { opacity: 1; visibility: visible; transform: translateY(0); }
  .header-inner.nav-open .nav-toggle span,
  .nav-open .nav-toggle span { background: transparent; }
  .header-inner.nav-open .nav-toggle span::before,
  .nav-open .nav-toggle span::before { top: 0; transform: rotate(45deg); }
  .header-inner.nav-open .nav-toggle span::after,
  .nav-open .nav-toggle span::after { top: 0; transform: rotate(-45deg); }
  .nav-toggle { display: block; }
  .nav-actions { margin-left: auto; }
  .nav-search { display: none; }
  .nav-cta { display: none; }
  .hero-cat { padding: 70px 0 60px; }
  .hero-metrics { grid-template-columns: repeat(3, 1fr); padding: 16px; }
  .metric-item strong { font-size: 20px; }
  .metric-item .metric-unit { font-size: 13px; }
  .metric-item span { font-size: 12px; line-height: 1.4; }
  .service-grid,
  .scene-card-wrap { grid-template-columns: 1fr; }
  .service-card { min-height: 0; padding: 26px; }
  .trend-strip { grid-column: span 1; }
  .process-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .step-card { padding: 18px; }
  .step-card:nth-child(even) .step-arrow { display: none; }
  .step-card .step-arrow { display: none; }
  .faq-q { padding: 16px 18px; font-size: 16px; }
  .faq-a-inner { padding: 0 18px 18px; }
  .form-card { padding: 22px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 560px) {
  .process-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .metric-item .metric-unit { font-size: 12px; }
  .hero-actions { gap: 10px; }
  .contact-checklist li { font-size: 14px; }
  .btn-accent, .btn-dark, .btn-outline-light { justify-content: center; }
}

/* roulang page: article */
:root {
  --brand-900: #053F36;
  --brand-700: #0B5C4C;
  --brand-500: #12806A;
  --brand-400: #3E9B86;
  --brand-100: #D9EDE7;
  --brand-50: #E8F4F0;
  --accent-500: #F2A73B;
  --accent-600: #D97F16;
  --accent-700: #B86812;
  --paper: #F7F4EC;
  --white: #FFFFFF;
  --ink-900: #17201D;
  --ink-600: #55635E;
  --ink-400: #8B958F;
  --line: #E7E0D3;
  --radius-large: 28px;
  --radius-card: 20px;
  --radius-pill: 999px;
  --shadow-card: 0 12px 24px rgba(23, 32, 29, 0.06);
  --shadow-hover: 0 24px 46px rgba(5, 63, 54, 0.14);
  --font-cn: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  --font-num: "DIN Alternate", "Oswald", "Bahnschrift", "Arial Narrow", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-900);
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.page-article {
  background: var(--paper);
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
  color: inherit;
}

input {
  border: 0;
  outline: 0;
}

button {
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent-600);
  outline-offset: 2px;
  border-radius: 6px;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(231, 224, 211, 0.78);
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 18px;
  position: relative;
}

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

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--brand-900), var(--brand-500), #65BC9A);
  color: #fff;
  font-weight: 900;
  font-size: 15px;
  letter-spacing: 1px;
  box-shadow: 0 8px 18px rgba(5, 63, 54, 0.24);
}

.logo-text {
  color: var(--ink-900);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  margin-left: 6px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 13px;
  border-radius: var(--radius-pill);
  color: var(--ink-600);
  font-size: 15px;
  font-weight: 600;
  transition: color 0.2s, background 0.2s, box-shadow 0.2s;
}

.nav-link:hover {
  color: var(--brand-700);
  background: var(--brand-50);
  box-shadow: inset 0 0 0 1px rgba(18, 128, 106, 0.1);
}

.nav-link.active {
  color: var(--brand-700);
  background: var(--brand-50);
  font-weight: 700;
}

.nav-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-search {
  display: flex;
  align-items: center;
  background: #F4F1E9;
  height: 40px;
  border-radius: var(--radius-pill);
  padding-left: 15px;
  border: 1px solid transparent;
  transition: border-color 0.2s, background 0.2s;
}

.nav-search:focus-within {
  background: var(--white);
  border-color: var(--brand-500);
}

.nav-search input {
  width: 160px;
  background: transparent;
  font-size: 14px;
  color: var(--ink-900);
  transition: width 0.25s;
}

.nav-search input::-webkit-search-cancel-button {
  -webkit-appearance: none;
}

.nav-search input::placeholder {
  color: var(--ink-400);
}

.nav-search-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--brand-700);
  transition: background 0.2s, color 0.2s;
}

.nav-search-btn:hover {
  background: var(--brand-50);
  color: var(--brand-900);
}

.nav-cta {
  height: 40px;
  padding: 0 20px;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: #F3EFE6;
  transition: background 0.2s;
}

.nav-toggle:hover {
  background: #E9E3D5;
}

.nav-toggle span {
  display: block;
  position: relative;
  width: 18px;
  height: 2px;
  background: var(--ink-900);
  border-radius: 2px;
  transition: background 0.2s;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--ink-900);
  border-radius: 2px;
  transition: transform 0.25s ease, top 0.25s ease;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.nav-toggle.active span {
  background: transparent;
}

.nav-toggle.active span::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle.active span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  white-space: nowrap;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent-500), var(--accent-700));
  color: #fff;
  box-shadow: 0 10px 22px rgba(217, 127, 22, 0.22);
}

.btn-accent:hover {
  box-shadow: 0 14px 28px rgba(217, 127, 22, 0.3);
  filter: saturate(1.06);
  transform: translateY(-2px);
  color: #fff;
}

.btn-secondary {
  background: var(--brand-700);
  color: #fff;
  box-shadow: 0 10px 22px rgba(5, 63, 54, 0.18);
}

.btn-secondary:hover {
  background: var(--brand-900);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(5, 63, 54, 0.24);
  color: #fff;
}

.btn-ghost {
  background: var(--white);
  border-color: var(--line);
  color: var(--ink-900);
}

.btn-ghost:hover {
  border-color: var(--brand-500);
  color: var(--brand-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.btn-outline {
  background: transparent;
  border-color: var(--brand-600, var(--brand-500));
  color: var(--brand-700);
}

.btn-outline:hover {
  border-color: var(--brand-700);
  background: var(--brand-50);
}

.btn-lg {
  padding: 15px 32px;
  font-size: 16px;
}

/* ===== Article hero ===== */
.article-hero {
  position: relative;
  color: #fff;
  background:
    linear-gradient(115deg, rgba(3, 45, 38, 0.9) 0%, rgba(11, 92, 76, 0.86) 42%, rgba(38, 128, 106, 0.78) 100%),
    url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
  overflow: hidden;
}

.article-hero::before {
  content: "";
  position: absolute;
  width: 480px;
  height: 480px;
  right: -120px;
  top: -190px;
  background: radial-gradient(circle, rgba(242, 167, 59, 0.28), transparent 66%);
  pointer-events: none;
}

.article-hero .container {
  position: relative;
  z-index: 2;
  padding: 64px 24px 76px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 28px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.78);
  transition: color 0.2s;
}

.breadcrumb a:hover {
  color: var(--accent-500);
}

.breadcrumb-sep {
  opacity: 0.5;
}

.breadcrumb-current {
  max-width: 430px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.article-title-box {
  max-width: 900px;
}

.article-title-box h1 {
  margin: 0;
  font-size: clamp(31px, 4.6vw, 50px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
  text-wrap: balance;
}

.article-title-box .article-summary {
  max-width: 760px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 17px;
  line-height: 1.8;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.article-cat-pill {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}

.meta-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.meta-dot {
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
  display: inline-block;
}

/* ===== Article body ===== */
.article-body-section {
  position: relative;
  z-index: 3;
  padding: 0 0 72px;
}

.article-shell {
  max-width: 900px;
  margin: -42px auto 0;
  padding: 0 24px;
}

.article-card {
  background: var(--white);
  border: 1px solid #ECEAE2;
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-card);
  padding: 46px 54px;
}

.article-body {
  color: #35423D;
  font-size: 16.5px;
  line-height: 1.95;
  overflow-wrap: break-word;
}

.article-body > p,
.article-body p {
  margin: 0 0 1.55em;
}

.article-body h2 {
  font-size: 27px;
  line-height: 1.4;
  color: var(--ink-900);
  font-weight: 800;
  margin: 1.9em 0 0.8em;
  letter-spacing: -0.01em;
}

.article-body h3 {
  font-size: 22px;
  line-height: 1.45;
  color: var(--ink-900);
  font-weight: 750;
  margin: 1.7em 0 0.75em;
}

.article-body h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-900);
  margin: 1.5em 0 0.6em;
}

.article-body img {
  width: auto;
  max-width: 100%;
  height: auto;
  border-radius: 18px;
  margin: 28px 0;
  box-shadow: 0 14px 30px rgba(23, 32, 29, 0.08);
  border: 1px solid var(--line);
}

.article-body a {
  color: var(--brand-700);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: color 0.2s;
}

.article-body a:hover {
  color: var(--accent-700);
}

.article-body ul,
.article-body ol {
  margin: 0 0 1.6em;
  padding-left: 1.4em;
}

.article-body ul li,
.article-body ol li {
  margin-bottom: 0.5em;
}

.article-body ul li::marker {
  color: var(--brand-500);
}

.article-body ol li::marker {
  color: var(--brand-700);
  font-weight: 700;
}

.article-body blockquote {
  margin: 2em 0;
  padding: 18px 24px;
  background: var(--brand-50);
  border-left: 4px solid var(--brand-500);
  border-radius: 0 16px 16px 0;
  color: var(--brand-900);
  font-size: 17px;
}

.article-body blockquote p {
  margin: 0;
}

.article-body iframe,
.article-body video {
  max-width: 100%;
  border-radius: 18px;
  margin: 28px 0;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 15px;
}

.article-body th,
.article-body td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
}

.article-body th {
  background: var(--brand-50);
  color: var(--brand-900);
  font-weight: 700;
}

.article-body hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 36px 0;
}

/* ===== Article bottom ===== */
.article-bottom {
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
}

.article-bottom-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.article-bottom-tag {
  background: var(--brand-50);
  color: var(--brand-700);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 13px;
  border-radius: 999px;
}

.article-bottom-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== Empty state ===== */
.article-empty {
  background: #FAF8F2;
  border: 1px dashed #D8D1C2;
  border-radius: 20px;
  padding: 60px 32px;
  text-align: center;
  color: var(--ink-600);
}

.article-empty svg {
  width: 52px;
  height: 52px;
  color: var(--brand-500);
  margin: 0 auto 16px;
  opacity: 0.7;
}

.article-empty h2 {
  margin: 0 0 8px;
  color: var(--ink-900);
  font-size: 22px;
}

.article-empty p {
  margin: 0 auto 22px;
  max-width: 400px;
}

/* ===== Related section ===== */
.related-section {
  padding: 64px 0 96px;
}

.related-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 42px;
  flex-wrap: wrap;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--brand-500);
  margin-bottom: 10px;
}

.eyebrow::before {
  content: "";
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent-500);
}

.related-title {
  font-size: clamp(28px, 3.6vw, 38px);
  line-height: 1.3;
  margin: 0;
  color: var(--ink-900);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.related-description {
  max-width: 560px;
  color: var(--ink-600);
  font-size: 16px;
  line-height: 1.8;
  margin: 14px 0 0;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.related-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid #ECE9E0;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

.related-cover {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--brand-100), var(--paper));
}

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

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

.related-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 24px 26px 26px;
}

.related-body h3 {
  margin: 0 0 12px;
  font-size: 20px;
  line-height: 1.45;
  font-weight: 750;
}

.related-body h3 a {
  color: var(--ink-900);
  transition: color 0.2s;
}

.related-body h3 a:hover {
  color: var(--brand-700);
}

.related-body p {
  margin: 0 0 18px;
  color: var(--ink-600);
  font-size: 14.5px;
  line-height: 1.85;
  flex: 1;
}

.related-point-list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.related-point-list li {
  padding-left: 22px;
  position: relative;
  font-size: 13.5px;
  color: var(--ink-600);
  line-height: 1.7;
}

.related-point-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--accent-500);
  transform: rotate(45deg);
}

.related-more {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--brand-700);
  font-weight: 700;
  font-size: 14px;
  transition: gap 0.2s, color 0.2s;
}

.related-more:hover {
  color: var(--accent-700);
  gap: 11px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 0 0 96px;
}

.cta-panel {
  position: relative;
  overflow: hidden;
  padding: 58px 62px;
  border-radius: 32px;
  color: #fff;
  background:
    linear-gradient(128deg, rgba(4, 52, 44, 0.94) 0%, rgba(10, 88, 70, 0.9) 52%, rgba(28, 121, 97, 0.84) 100%),
    url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  box-shadow: 0 24px 60px rgba(5, 63, 54, 0.22);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 42px;
  flex-wrap: wrap;
}

.cta-panel::before {
  content: "";
  position: absolute;
  right: -90px;
  top: -120px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: rgba(242, 167, 59, 0.18);
  pointer-events: none;
}

.cta-copy {
  position: relative;
  max-width: 700px;
}

.cta-copy .eyebrow {
  color: #F7C97A;
}

.cta-copy h2 {
  margin: 0;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.35;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #fff;
}

.cta-copy p {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 16px;
  line-height: 1.9;
}

.cta-actions {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex-shrink: 0;
}

.btn-outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

/* ===== Footer ===== */
.site-footer {
  background: linear-gradient(140deg, var(--brand-900) 0%, #0B473B 55%, #0C5646 100%);
  color: rgba(255, 255, 255, 0.82);
}

.site-footer .container {
  padding-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.8fr 0.9fr;
  gap: 52px;
  padding-bottom: 46px;
}

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

.footer-brand .logo {
  margin-bottom: 20px;
}

.footer-about {
  max-width: 380px;
  margin: 0 0 22px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.9;
  font-size: 14.5px;
}

.data-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
}

.footer-title {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.footer-nav a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14.5px;
  transition: color 0.2s, transform 0.2s;
}

.footer-nav a::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent-500);
  opacity: 0.55;
  transition: opacity 0.2s, transform 0.2s;
}

.footer-nav a:hover {
  color: #F7C97A;
  transform: translateX(2px);
}

.footer-nav a:hover::before {
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding: 22px 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.56);
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .related-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .related-body {
    padding: 20px;
  }

  .nav-search input {
    width: 120px;
  }

  .nav-cta {
    padding: 0 16px;
  }
}

@media (max-width: 1040px) {
  .header-inner {
    gap: 8px;
  }

  .site-nav {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin: 0;
    background: #FFFFFF;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 32px rgba(23, 32, 29, 0.08);
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height 0.3s ease, opacity 0.25s ease, visibility 0s linear 0.3s, padding 0.3s ease;
  }

  .site-nav.open {
    max-height: 480px;
    overflow-y: auto;
    visibility: visible;
    opacity: 1;
    padding: 18px 24px 22px;
    transition: max-height 0.3s ease, opacity 0.25s ease, padding 0.3s ease;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }

  .nav-link {
    width: 100%;
    justify-content: flex-start;
    padding: 12px 14px;
    border-radius: 10px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-search {
    display: none;
  }

  .nav-cta {
    margin-left: auto;
  }
}

@media (max-width: 991px) {
  .section {
    padding: 72px 0;
  }

  .article-hero .container {
    padding: 54px 20px 70px;
  }

  .article-card {
    padding: 38px 30px;
  }

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

  .cta-panel {
    padding: 44px 34px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 42px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 767px) {
  .header-inner {
    height: 66px;
    padding-left: 18px;
    padding-right: 18px;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 14px;
    border-radius: 11px;
  }

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

  .nav-actions {
    gap: 8px;
  }

  .nav-cta {
    display: none;
  }

  .article-hero .container {
    padding: 44px 18px 70px;
  }

  .article-title-box h1 {
    font-size: 30px;
  }

  .article-title-box .article-summary {
    font-size: 15px;
  }

  .article-shell {
    padding: 0 14px;
    margin-top: -28px;
  }

  .article-card {
    padding: 26px 22px;
    border-radius: 20px;
  }

  .article-body {
    font-size: 15.5px;
    line-height: 1.9;
  }

  .article-body h2 {
    font-size: 22px;
  }

  .article-body h3 {
    font-size: 19px;
  }

  .article-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .article-bottom-links .btn {
    width: 100%;
  }

  .related-section {
    padding: 48px 0 72px;
  }

  .related-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .related-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .related-body {
    padding: 20px 21px 22px;
  }

  .cta-section {
    padding: 0 0 72px;
  }

  .cta-panel {
    padding: 36px 24px;
    border-radius: 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .site-footer .container {
    padding-top: 52px;
    padding-bottom: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-bottom: 28px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .article-title-box h1 {
    font-size: 27px;
  }

  .article-card {
    padding: 24px 18px;
  }

  .article-empty {
    padding: 42px 22px;
  }

  .cta-panel {
    padding: 30px 20px;
  }

  .cta-copy h2 {
    font-size: 24px;
  }

  .footer-bottom {
    gap: 4px;
  }

  .footer-bottom span:first-child {
    line-height: 1.7;
  }
}

/* roulang page: category2 */
:root{
  --brand-900:#053F36;
  --brand-700:#0B5C4C;
  --brand-500:#12806A;
  --brand-300:#65BC9A;
  --brand-50:#E8F4F0;
  --ink-900:#17201D;
  --ink-600:#55635E;
  --paper:#F8F7F2;
  --white:#FFFFFF;
  --accent-500:#F2A73B;
  --accent-600:#D97F16;
  --line:#E6E2D8;
  --success:#27A878;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(23,32,29,0.05),0 10px 24px rgba(23,32,29,0.05);
  --shadow-hover:0 22px 38px rgba(5,63,54,0.14);
  --font-title:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei UI","Microsoft YaHei",sans-serif;
  --font-metric:"DIN Alternate","Oswald","Bahnschrift",Arial Narrow,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-title);background:var(--paper);color:var(--ink-900);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit;font-size:1rem}
address{font-style:normal}
:focus-visible{
  outline:2px solid var(--accent-600);
  outline-offset:2px;
}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px}
main{display:block}
.left-cn div, .right-cn div{display:block}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.96);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid #EAE5DC;transition:box-shadow 0.3s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 18px rgba(5,63,54,0.06)}
.header-inner{display:flex;align-items:center;gap:32px;height:72px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-icon{
  min-width:42px;height:42px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#053F36,#12806A);color:#fff;
  border-radius:14px;font-weight:900;letter-spacing:0;font-size:19px;text-align:center;
  box-shadow:0 4px 10px rgba(18,128,106,0.25);
}
.logo-text{font-size:23px;font-weight:900;color:var(--brand-900);letter-spacing:1px;white-space:nowrap}
.site-nav{margin-left:auto}
.nav-list{display:flex;gap:4px;list-style:none}
.nav-link{
  display:block;padding:10px 18px;border-radius:8px;color:var(--ink-600);
  font-size:15px;font-weight:500;transition:all 0.25s;line-height:1.3;
}
.nav-link:hover{color:var(--brand-700);background:var(--brand-50)}
.nav-link.active{color:var(--brand-700);background:var(--brand-50);font-weight:700}
.nav-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-search{
  display:flex;align-items:center;background:#F3F1EA;border:1px solid transparent;
  border-radius:var(--radius-pill);height:40px;padding-left:16px;padding-right:6px;gap:8px;
  transition:all 0.25s;width:190px;
}
.nav-search:focus-within{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(18,128,106,0.12)}
.nav-search input{outline:none;border:none;background:transparent;width:100%;font-size:14px;color:var(--ink-900)}
.nav-search-btn{
  height:28px;width:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-600);background:#E8E5DD;transition:all 0.25s;flex-shrink:0;
}
.nav-search-btn:hover{background:var(--brand-500);color:#fff}
.btn{
  display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 24px;
  border-radius:var(--radius-pill);font-size:15px;font-weight:700;gap:8px;transition:all 0.3s cubic-bezier(0.2,0.8,0.2,1);
  white-space:nowrap;
}
.btn:active{transform:scale(0.98)}
.btn-accent{
  background:linear-gradient(135deg,#F2A73B,#D97F16);color:#fff;
  box-shadow:0 10px 20px rgba(217,127,22,0.28);
}
.btn-accent:hover{filter:saturate(1.1);box-shadow:0 14px 26px rgba(217,127,22,0.35);transform:translateY(-2px)}
.btn-dark{
  background:linear-gradient(135deg,#0B5C4C,#053F36);color:#fff;
  box-shadow:0 10px 20px rgba(5,63,54,0.2);
}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(5,63,54,0.32)}
.btn-outline{
  background:transparent;border:1.5px solid rgba(255,255,255,0.7);color:#fff;
}
.btn-outline:hover{background:rgba(255,255,255,0.12);border-color:#fff;}
.btn-ghost{
  background:#fff;border:1.5px solid var(--line);color:var(--brand-700);
  box-shadow:0 4px 12px rgba(23,32,29,0.04);
}
.btn-ghost:hover{border-color:var(--brand-500);background:var(--brand-50)}
.nav-cta{height:40px;font-size:14px;padding:0 20px}
.nav-toggle{
  width:40px;height:40px;border-radius:12px;display:none;align-items:center;justify-content:center;position:relative;
  background:var(--brand-50);
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:'';display:block;width:16px;height:2px;background:var(--brand-900);border-radius:2px;
  transition:all 0.3s ease;position:relative;
}
.nav-toggle span::before{position:absolute;top:-5px;width:16px}
.nav-toggle span::after{position:absolute;top:5px;width:16px}
.site-header.is-open .nav-toggle span{background:transparent}
.site-header.is-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
.site-header.is-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}
.search-mobile{display:none;width:100%;padding:12px 24px 20px;background:#fff;border-bottom:1px solid var(--line)}

/* Banner 横幅 */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#053F36 0%,#0B5C4C 50%,#12806A 100%);
  color:#fff;padding:88px 0 76px;
}
.page-hero::before{
  content:'';position:absolute;top:0;right:0;width:1200px;height:1200px;pointer-events:none;
  background:
    radial-gradient(circle at 80% 20%, rgba(101,188,154,0.18) 0%, transparent 40%),
    linear-gradient(rgba(255,255,255,0.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.04) 1px,transparent 1px);
    background-size:auto auto,60px 60px,60px 60px;
  mask-image:linear-gradient(to bottom, rgba(0,0,0,0.8), transparent 70%);
  -webkit-mask-image:linear-gradient(to bottom, rgba(0,0,0,0.8), transparent 70%);
}
.page-hero::after{
  content:'';position:absolute;left:0;bottom:-80px;width:100%;height:190px;
  background:linear-gradient(to bottom, transparent, var(--paper));
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:flex;gap:64px;align-items:center}
.hero-left{flex:1 1 0;max-width:640px}
.crumb{
  display:flex;align-items:center;gap:10px;font-size:15px;color:rgba(255,255,255,0.7);margin-bottom:24px;
}
.crumb a{color:rgba(255,255,255,0.7);transition:all 0.2s;position:relative}
.crumb a:hover{color:#fff}
.crumb-sep{opacity:.45}
.page-hero h1{
  font-size:48px;line-height:1.22;font-weight:900;letter-spacing:0.5px;margin-bottom:24px;
  color:#fff;
}
.hero-highlight{color:#F2A73B;position:relative}
.hero-left p{font-size:18px;line-height:1.8;color:rgba(255,255,255,0.85);max-width:590px;margin-bottom:38px}
.hero-btn{display:flex;gap:18px;flex-wrap:wrap}
.hero-meta{
  margin-top:42px;display:flex;gap:36px;flex-wrap:wrap;padding-top:30px;
  border-top:1px solid rgba(255,255,255,0.2);
}
.hero-meta-item{display:flex;flex-direction:column;gap:4px}
.hero-meta-item strong{
  font-size:26px;font-weight:700;font-family:var(--font-metric);color:#fff;line-height:1.2;
}
.hero-meta-item span{font-size:13px;color:rgba(255,255,255,0.7)}
.hero-right{flex:0 0 500px;position:relative;width:500px;max-width:100%;display:flex;justify-content:center}
.hero-io{
  width:420px;max-width:100%;height:220px;object-fit:cover;border-radius:24px;
  box-shadow:0 30px 60px rgba(0,0,0,0.25);
}
.chip-badge{
  position:absolute;display:flex;flex-direction:column;gap:2px;justify-content:center;
  background:rgba(255,255,255,0.95);border-radius:16px;padding:12px 20px;color:var(--ink-900);
  box-shadow:0 14px 30px rgba(0,0,0,0.18);
}
.chip-badge .ab-num{font-family:var(--font-metric);font-size:26px;font-weight:700;color:var(--brand-500);line-height:1.2}
.chip-badge .ab-tt{font-size:13px;color:var(--ink-600)}
.cb1{top:10px;left:-24px;animation:floaty 5s ease-in-out infinite}
.cb2{bottom:30px;right:-16px;animation:floaty 6s 0.8s ease-in-out infinite}
@keyframes floaty{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-8px)}
}

/* 指标条 */
.metrics-band{padding:64px 0 24px;margin-top:-40px;position:relative;margin-bottom:32px}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric-card{
  background:var(--white);border-radius:var(--radius-lg);padding:24px 22px;box-shadow:var(--shadow-sm);
  border:1px solid rgba(235,232,223,0.6);transition:all 0.35s ease;position:relative;overflow:hidden;
}
.metric-card::before{
  content:'';position:absolute;left:0;top:0;width:4px;height:100%;
  background:linear-gradient(to bottom,var(--brand-500),var(--brand-300));
}
.metric-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.metric-card .metric-name{font-size:14px;font-weight:700;color:var(--ink-600);margin-bottom:8px}
.metric-card .metric-num{
  font-family:var(--font-metric);font-size:38px;font-weight:700;color:var(--brand-700);line-height:1.1;margin-bottom:4px;
}
.metric-card .metric-unit{font-size:18px;color:var(--accent-600);margin-left:4px;font-weight:700}
.metric-card .metric-desc{font-size:13px;color:var(--ink-600);line-height:1.5}

/* 通用区块 */
.section{padding:80px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:20px;margin-bottom:56px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--accent-600);
  text-transform:uppercase;padding:6px 14px;background:rgba(242,167,59,0.12);border-radius:var(--radius-pill);margin-bottom:16px;
}
.section-h2{
  font-size:40px;line-height:1.25;font-weight:900;color:var(--ink-900);letter-spacing:1px;
}
.section-sub{font-size:20px;color:var(--ink-600);line-height:1.7}
.right-note{margin-left:auto;font-size:14px;color:var(--ink-600);border:1px solid var(--line);border-radius:12px;padding:10px 18px;background:#fff}

/* 板块：增长体系 */
.architecture-section{
  background:var(--white);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.archi-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.archi-stage{
  grid-column:span 2;background:var(--paper);border-radius:var(--radius-lg);padding:28px 24px;
  border:1px solid var(--line);transition:all 0.35s ease;position:relative;overflow:hidden;
}
.archi-stage:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.archi-stage::after{
  content:'';position:absolute;bottom:-30px;right:-24px;width:110px;height:110px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,128,106,0.08) 0%,transparent 70%);transition:all 0.4s;
}
.archi-stage:hover::after{background:radial-gradient(circle,rgba(18,128,106,0.18) 0%,transparent 70%)}
.stage-num{font-family:var(--font-metric);font-size:14px;font-weight:600;color:#fff;background:var(--brand-700);width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;margin-bottom:18px;letter-spacing:0.5px}
.stage-title{font-size:22px;font-weight:900;color:var(--brand-900);margin-bottom:10px}
.stage-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--accent-600);background:rgba(242,167,59,0.1);border-radius:6px;padding:3px 10px;margin-bottom:14px}
.stage-desc{font-size:15px;line-height:1.75;color:var(--ink-600)}
.archi-arrow{
  display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--brand-500);
}
@media (min-width:990px) and (max-width:1199px){
  .archi-stage:nth-of-type(3){grid-column:span 3}
}
@media (min-width:990px){
  .archi-plain-row{display:none}
}

/* 结果对比 */
.compare-section{background:var(--brand-900);position:relative;overflow:hidden}
.compare-section::before{
  content:'';position:absolute;inset:0;background:
    linear-gradient(rgba(255,255,255,0.03) 1px,transparent 1px),
    radial-gradient(circle,krgba(255,255,255,0.02) 1px,transparent 1px) 0 0/50px 50px;
  background-size:60px 60px;
  pointer-events:none;
}
.compare-title{
  position:relative;z-index:1;text-align:center;max-width:740px;margin:0 auto 68px;
}
.compare-title .eyebrow{background:rgba(242,167,59,0.16)}
.compare-title h2{color:#fff;font-size:42px;font-weight:900;margin-bottom:16px}
.compare-title p{color:rgba(255,255,255,0.7);font-size:17px;line-height:1.8}
.compare-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:30px}
.compare-col{
  border-radius:var(--radius-lg);padding:20px;transition:all 0.4s;
}
.compare-col--bad{
  background:#102A24;border:1px solid rgba(255,255,255,0.09);
}
.compare-col--good{
  background:linear-gradient(145deg, #E8F4F0, #F0F7F4);
  border:2px solid var(--brand-500);padding:18px;
}
.compare-col--good::before{content:'';display:block;height:6px;background:linear-gradient(90deg,#65BC9A,#12806A);border-radius:4px;margin-bottom:20px}
.compare-col--bad::before{content:'';display:block;height:6px;background:#37423F;border-radius:4px;margin-bottom:20px}
.compare-head{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.compare-head h3{font-size:20px;font-weight:900;color:var(--ink-900);letter-spacing:0.5px}
.compare-col--bad .compare-head h3{
  color:#C2CCC8;font-weight:700;
}
.compare-head .ind-icon{width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;background:rgba(255,255,255,0.08);color:var(--brand-300)}
.compare-head .ind-ic{gap:0}
.compare-head .ind-ic i{font-style:normal;font-size:12px}
.checklist{list-style:none;display:flex;flex-direction:column;gap:14px}
.cl-item{display:flex;gap:12px;font-size:14px;color:var(--ink-600);line-height:1.6}
.cl-item .cl-icon{width:22px;height:22px;border-radius:50%;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:900}
.compare-col--bad .cl-item .cl-icon{background:rgba(255,255,255,0.12);color:#C2CCC8}
.compare-col--good .cl-item .cl-icon{background:rgba(18,128,106,0.2);color:var(--brand-700)}
.compare-col--good .cl-item strong{color:var(--brand-900)}
.compare-col--bad .cl-item{color:#B6C1BD}
.compare-col--bad .cl-item strong{color:#E8F4F0}
.compare-col--bad h3, .compare-col--good h3{padding:0;background:transparent;letter-spacing:0.5px}

/* 工作过程 流程时间线 */
.process-section{
    background:var(--white)
}
.steps-wrap{
    display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:52px;
}
.step-index{
    font-family:var(--font-metric);font-size:64px;line-height:1;font-weight:700;
    background:linear-gradient(135deg, var(--brand-900) 0%, var(--brand-500) 80%);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    color:#0B5C4C;margin-bottom:24px;
}
.step-item h3{margin-bottom:12px;color:var(--ink-900);font-weight:900;font-size:20px}
.step-item p{color:var(--ink-600);font-size:14px;line-height:1.75;}

/* 检查简报 */
.check-section{background:var(--paper)}
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px }
.check-sub{
    display:flex;gap:12px;align-items:center;font-weight:700;color:var(--ink-600);font-size:16px;
    background:var(--white);padding:18px 24px;border-radius:var(--radius-md);transition:all 0.25s;
}
.check-sub:hover{transform:translateX(8px);box-shadow:0 4px 14px rgba(5,63,54,0.08)}
.check-sub::before{content:'✓';display:flex;align-items:center;justify-content:center;flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--brand-50);color:var(--brand-700);font-size:15px;font-weight:700}

/* 单卡深色 CTA 中段 banner */
.insight-banner{
    background:linear-gradient(135deg,#053F36, #12806A);
    border-radius:var(--radius-lg);color:#fff;
    display:flex;align-items:center;justify-content:space-between;
    gap:40px;padding:52px 48px;
    margin:80px 0;
}
.insight-banner-txt h3{font-size:32px;font-weight:900;line-height:1.3;margin-bottom:10px;}
.insight-banner-txt p{font-size:16px;color:rgba(255,255,255,0.8);max-width:600px;line-height:1.8}
.insight-banner .btn{flex-shrink:0}

/* 服务卡片 */
.offer-card{
    background:var(--white);border-radius:var(--radius-lg);overflow:hidden;
    box-shadow:var(--shadow-sm);transition:all 0.3s ease;
    border:1px solid #eae6db
}
.offer-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.offer-action{display:flex;align-items:center;gap:8px}

/* FAQ */
.faq-section{background:#fff;border-top:1px solid var(--line)}
.faq-list{max-width:920px;margin:0 auto}
.faq-item{
    background:var(--paper);border-radius:16px;border:1px solid var(--line);
    margin-bottom:14px;transition:all 0.3s ease;overflow:hidden;
}
.faq-item:hover{border-color:var(--brand-300)}
.faq-item.active{border-color:var(--brand-500);background:var(--white);box-shadow:0 6px 22px rgba(23,32,29,0.07)}
.faqq{
    display:flex;align-items:center;
    justify-content:space-between;gap:20px;
    padding:22px 25px;font-size:16px;font-weight:700;
    color:var(--ink-900);cursor:pointer;width:100%;background:none;text-align:left;
    line-height:1.5}
.faqq:hover{color:var(--brand-700)}
.fq-icon{
    width:32px;height:32px;border-radius:8px;background:#E3E7E3;
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
    transition:all 0.3s;position:relative;font-size:18px;color:var(--brand-700);
    font-weight:400;
}
.faq-item.active .fq-icon{background:var(--brand-50);transform:rotate(180deg);color:var(--accent-600)}
.faqq .fci2{display:block}
.faq-item.active .fci2{color:var(--brand-700)}
.faq-a{max-height:0;padding:0 24px;overflow:hidden;transition:max-height 0.4s ease;color:var(--ink-600);line-height:1.8;font-size:15px}
.faq-item.active .faq-a{max-height:300px;padding:0 24px 22px}
.fci-plus{width:34px;height:34px;border-radius:50%;background:rgba(18,128,106,0.1);color:var(--brand-700);
    position:relative}
.fci-plus::before{content:'+';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:22px;font-weight:700;line-height:1}
.faq-item.active .fci-plus::before{content:'−';color:var(--accent-600);transform:translate(-50%,-50%)}


/* CTA 转化 */
.cta-section{position:relative;background:#fff;padding-top:20px}

.cta-box{
    border-radius:var(--radius-lg);
    background:linear-gradient(135deg, #F8F6EF, #F1EEE4);
    border:1px solid #EAE4DA;
    padding:22px;
    display:grid;grid-template-columns:1.05fr 0.95fr;gap:10px;
}
.cta-info{padding:52px 34px 34px 34px}
.cta-info h2{
    font-size:42px;line-height:1.3;font-weight:900;color:var(--brand-900);margin-bottom:8px;
}
.cta-info-sub{
    color:var(--ink-600);line-height:1.6;margin-bottom:30px;font-size:16px
}
.cta-info-list{list-style:none;margin-top:26px;display:flex;flex-direction:column;gap:12px}
.cta-info-list li{
    display:flex;gap:12px;align-items:center;color:var(--ink-900);font-size:15px;font-weight:500;
}
.cta-info-list .check-inline{
    width:24px;height:24px;background:var(--brand-500);border-radius:50%;
    display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:13px;flex-shrink:0;
}
.cta-form{
    background:var(--white);border-radius:16px;
    box-shadow:0 8px 30px rgba(23,32,29,0.08);padding:34px 26px 28px;
    display:flex;flex-direction:column;
}
.cta-form-title{font-size:20px;font-weight:900;color:var(--ink-900);letter-spacing:1px;margin-bottom:26px}
.cta-form-title span{color:var(--accent-600);font-size:16px;font-weight:500}
.form-row{margin-bottom:16px}
.form-row label{
    display:block;font-size:14px;color:var(--ink-600);font-weight:500;margin-bottom:8px;letter-spacing:0.5px;
}
.input{
    width:100%;height:46px;padding:12px 16px;
    background:#F9F8F3;border:1.5px solid #E6E2D8;border-radius:10px;color:var(--ink-900);
    transition:border-color 0.2s, box-shadow 0.2s;
}
.input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(18,128,106,0.12)}
textarea.input{height:110px;resize:vertical}
.btn-cta{width:100%;margin-top:5px;height:52px;font-size:17px;color:#fff;background:linear-gradient(135deg,#077c53,#053F36);border-radius:50px}
.btn-cta:hover{background:linear-gradient(135deg,#F2A73B,#D97F16);transform:translateY(-2px);box-shadow:0 14px 24px rgba(217,127,22,0.45)}
.cta-form-note{font-size:13px;color:var(--ink-600);margin-top:14px;text-align:center;display:flex;justify-content:center;align-items:center;gap:6px;}

/* FOOTER */
.site-footer{background:linear-gradient(160deg, #0B4237,#0B5C4C);color:rgba(255,255,255,0.8)}
.footer-top{padding:60px 0 36px}
.footer-grid{
    display:grid;grid-template-columns:1.8fr 1fr 1fr;gap:50px;margin-bottom:36px;margin-top:30px;
}
.footer-brand .logo .logo-text{color:#fff;text-shadow:none}
.footer-brand .logo-icon{min-width:44px;height:44px;border-radius:14px;font-size:20px}
.footer-about{font-size:15px;line-height:1.8;color:rgba(255,255,255,0.82);margin-bottom:20px;max-width:520px}
.data-badge{display:inline-block;color:rgba(255,255,255,0.8);font-size:13px;border-radius:8px;padding:6px 14px}
.footer-col{
    padding-top:8px;
}
.footer-title{
    font-size:13px;font-weight:900;letter-spacing:2px;color:rgba(255,255,255,0.95);
    text-transform:uppercase;margin-bottom:26px;
}
.footer-nav{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.footer-nav a{font-size:15px;color:rgba(255,255,255,0.75);transition:all 0.2s}
.footer-nav a:hover{color:#F2A73B;transform:translateX(4px)}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,0.12);
    display:flex;align-items:center;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,0.6);
    padding:24px 0 22px;gap:16px;flex-wrap:wrap;
}
@media (max-width:992px){
    .grid4,.metric-grid,.compare-grid,.cta-grid,.footer-grid,.steps-wrap{grid-template-columns:repeat(1,1fr)}
    .grid2,.check-grid,.compare-grid{grid-template-columns:1fr}
    .cta-box{grid-template-columns:1fr;gap:0}
    .cta-info{padding:28px 8px 24px}
    .compare-grid .compare-col, .cta-info{padding-left:0;padding-right:0}
    .steps-wrap{grid-template-columns:repeat(2,1fr)}
    .footer-grid{display:flex;flex-wrap:wrap;gap:36px}
    .footer-brand{flex-basis:100%}
}
@media (max-width:767px){
    .section{padding:40px 0; overflow:hidden}
    .site-header{height:auto}
    .site-header.is-open{box-shadow:0 8px 18px rgba(5,63,54,0.08)}
    .search-mobile{display:flex}
    .header-inner{height:64px;flex-wrap:wrap;gap:0}
    .site-nav{
        flex-basis:100%;display:none;order:3;background: #fff;border-top:1px solid var(--line);
        padding:8px 0 8px 0;width:100%;margin:0;position:relative;
    }
    .site-nav .nav-list{flex-direction:column;gap:0}
    .site-nav .nav-link{border-radius:8px;padding:10px 14px}
    .site-header.is-open .site-nav{display:block}
    .nav-actions{margin-left:auto;gap:6px}
    .nav-search{display:none}
    .nav-toggle{display:inline-flex}
    .page-hero{padding:56px 0 76px}
    .page-hero h1{font-size:32px}
    .hero-inner{flex-direction:column;gap:40px}
    .hero-right,.hero-io{width:100%}
    .cb1{left:10px}
    .cb2{right:10px}
    .metric-grid{grid-template-columns:1fr 1fr;gap:14px}
    .metric-card{padding:18px 12px}
    .metric-card .metric-num{font-size:28px}
    .metric-card .metric-desc{font-size:12px}
    .archi-grid{grid-template-columns:repeat(2,1fr);gap:14px}
    .archi-stage{grid-column:span 2;padding:20px 14px}
    .steps-wrap{grid-template-columns:1fr;gap:40px;margin-top:28px}
    .compare-title h2,.cta-info h2,.section-h2{font-size:28px}
    .compare-grid{grid-template-columns:1fr}
    .compare-col{padding:14px}
    .section-sub{font-size:16px}
    .cta-banner{flex-direction:column;gap:16px;padding:25px}
    .hero-meta{gap:20px}
    .btn{padding:0 17px}
}
@media (max-width:480px){
    .page-hero h1{font-size:26px}
    .section-h2,.cta-info h2,.compare-title h2{font-size:24px}
    .hero-left p{font-size:15px}
    .crumb{font-size:13px}
    .metric-grid{grid-template-columns:1fr 1fr;gap:10px}
    .cta-box{padding:12px}
    .formbtn{width:100%}
    .logo-text{font-size:20px;white-space:nowrap}
    .nav-cta{display:none}
}

@media (min-width:1200px){
    .nav-actions .nav-cta{display:flex}
}

.skip-link{position:absolute;left:-999px;top:0;background:#fff;padding:10px 20px;z-index:10000}.skip-link:focus{left:10px;top:10px;}

/* roulang page: category4 */
:root{
  --brand-900:#053F36;
  --brand-700:#0B5C4C;
  --brand-500:#12806A;
  --brand-50:#E8F4F0;
  --ink-900:#17201D;
  --ink-600:#55635E;
  --paper:#F8F7F2;
  --white:#FFFFFF;
  --accent-500:#F2A73B;
  --accent-600:#D97F16;
  --line:#E6E2D8;
  --success:#27A878;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow-card:0 1px 2px rgba(23,32,29,0.05), 0 10px 24px rgba(23,32,29,0.05);
  --shadow-hover:0 22px 38px rgba(5,63,54,0.14);
  --font-family:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei UI","Microsoft YaHei",sans-serif;
  --font-num:"DIN Alternate","Oswald","Bahnschrift","Arial Narrow",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-family);
  font-size:15px;
  line-height:1.75;
  background:var(--paper);
  color:var(--ink-900);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease, background-color .25s ease, box-shadow .25s ease, transform .25s ease}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul,ol{list-style:none}
.container{
  max-width:1240px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
:focus-visible{
  outline:2px solid var(--accent-600);
  outline-offset:2px;
  border-radius:4px;
}

/* ===== Btn / Badge ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  padding:0 28px;
  height:48px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:filter .25s, box-shadow .25s, transform .2s, background-color .25s, color .25s;
  line-height:1.2;
  white-space:nowrap;
}
.btn-accent{
  background:linear-gradient(135deg,var(--accent-500),var(--accent-600));
  color:#fff;
  box-shadow:0 8px 18px rgba(217,127,22,0.28);
}
.btn-accent:hover{
  filter:brightness(1.06);
  box-shadow:0 12px 28px rgba(217,127,22,0.35);
  transform:translateY(-2px);
  color:#fff;
}
.btn-accent:active{transform:scale(0.97)}
.btn-dark{
  background:linear-gradient(135deg,var(--brand-900),var(--brand-700));
  color:#fff;
  box-shadow:0 8px 18px rgba(5,63,54,0.25);
}
.btn-dark:hover{
  box-shadow:0 12px 28px rgba(5,63,54,0.34);
  transform:translateY(-2px);
  color:#fff;
}
.btn-ghost{
  background:rgba(255,255,255,0.10);
  border-color:rgba(255,255,255,0.45);
  color:#fff;
  backdrop-filter:blur(6px);
}
.btn-ghost:hover{
  background:rgba(255,255,255,0.18);
  border-color:#fff;
  color:#fff;
}
.btn-white{
  background:#fff;
  color:var(--brand-700);
  border:1px solid var(--line);
  box-shadow:0 6px 16px rgba(23,32,29,0.07);
}
.btn-white:hover{
  color:var(--brand-500);
  box-shadow:var(--shadow-hover);
  transform:translateY(-2px);
}
.data-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
  border-radius:999px;
  padding:5px 14px;
  background:var(--brand-50);
  color:var(--brand-700);
}

/* ===== Header ===== */
.site-header{
  background:var(--paper);
  border-bottom:1px solid #EAE5DC;
  position:sticky;
  top:0;
  z-index:100;
  transition:box-shadow .3s;
}
.site-header.is-sticky{box-shadow:0 8px 18px rgba(5,63,54,0.06)}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  line-height:1;
}
.logo-icon{
  width:40px;
  height:40px;
  border-radius:14px;
  background:linear-gradient(135deg,var(--brand-900),var(--brand-500));
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-weight:800;
  font-size:14px;
  letter-spacing:0.04em;
  box-shadow:0 4px 10px rgba(5,63,54,0.16);
}
.logo-text{
  font-size:20px;
  font-weight:800;
  color:var(--ink-900);
  letter-spacing:0.01em;
}
.site-nav .nav-list{
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-list .nav-link{
  display:inline-block;
  padding:8px 15px;
  border-radius:999px;
  color:var(--ink-600);
  font-weight:500;
  font-size:15px;
}
.nav-list .nav-link:hover{
  background:var(--brand-50);
  color:var(--brand-700);
}
.nav-list .nav-link.active{
  background:var(--brand-50);
  color:var(--brand-700);
  font-weight:600;
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:14px;
}
.nav-search{
  display:flex;
  align-items:center;
  background:#fff;
  border-radius:999px;
  border:1px solid #E6E2D8;
  height:40px;
  padding:0 5px 0 16px;
  transition:border-color .25s, box-shadow .25s;
  flex-shrink:0;
}
.nav-search:focus-within{
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(18,128,106,0.08);
}
.nav-search input{
  border:none;
  outline:none;
  width:120px;
  background:transparent;
  font-size:14px;
  color:var(--ink-900);
}
.nav-search input::placeholder{color:#9AA3A0}
.nav-search-btn{
  width:30px;
  height:30px;
  border-radius:50%;
  border:none;
  background:var(--brand-50);
  color:var(--brand-700);
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:background .2s;
}
.nav-search-btn:hover{background:var(--brand-500);color:#fff}
.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  border:none;
  border-radius:10px;
  background:transparent;
  cursor:pointer;
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  width:20px;
  height:2px;
  border-radius:2px;
  background:var(--ink-900);
  left:10px;
  transition:background .2s, transform .2s;
}
.nav-toggle span{top:19px;background:transparent}
.nav-toggle span::before{top:-6px;background:var(--ink-900)}
.nav-toggle span::after{top:6px;background:var(--ink-900)}
.nav-toggle[aria-expanded="true"] span::before{transform:rotate(45deg);top:0}
.nav-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg);top:0}
.nav-toggle[aria-expanded="true"] span{background:transparent}

/* ===== Hero ===== */
.page-hero{
  background:
    radial-gradient(circle at 82% 24%, rgba(101,188,154,0.38), transparent 17%),
    radial-gradient(circle at 12% 82%, rgba(242,167,59,0.24), transparent 14%),
    linear-gradient(135deg, #053F36 0%, #0B5C4C 54%, #12806A 100%);
  color:#fff;
  padding:84px 0 70px;
  position:relative;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.hero-wrap{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,0.9fr);
  gap:60px;
  align-items:center;
  position:relative;
  z-index:1;
}
.hero-title{
  font-size:44px;
  line-height:1.25;
  font-weight:800;
  letter-spacing:0.01em;
  color:#fff;
  margin-bottom:22px;
}
.hero-title em{
  font-style:normal;
  color:#FFD08A;
  position:relative;
}
.hero-subtitle{
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,0.82);
  max-width:570px;
  margin-bottom:34px;
}
.hero-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:40px;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.hero-tag{
  display:inline-block;
  padding:6px 16px;
  border-radius:999px;
  background:rgba(255,255,255,0.12);
  font-size:13px;
  color:rgba(255,255,255,0.88);
  border:1px solid rgba(255,255,255,0.2);
}
.hero-visual{
  position:relative;
  min-height:300px;
  display:flex;
  justify-content:center;
  align-items:center;
}
.hero-dash-card{
  width:100%;
  max-width:440px;
  background:rgba(255,255,255,0.92);
  border-radius:var(--radius-lg);
  padding:28px 28px 24px;
  box-shadow:0 30px 60px rgba(0,0,0,0.18);
  position:relative;
  z-index:2;
  backdrop-filter:blur(10px);
}
.dash-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:22px;
}
.dash-head h4{
  font-size:15px;
  font-weight:700;
  color:var(--ink-900);
}
.dash-health{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:600;
  padding:4px 12px;
  border-radius:999px;
  background:#E7F8F1;
  color:var(--success);
}
.dash-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:13px 0;
  border-bottom:1px solid #F0EAE0;
}
.dash-row:last-child{border-bottom:none}
.dash-label{
  font-size:13px;
  color:var(--ink-600);
}
.dash-value{
  font-family:var(--font-num);
  font-size:20px;
  font-weight:800;
  color:var(--ink-900);
  letter-spacing:0.02em;
}
.dash-value small{
  font-size:12px;
  font-weight:600;
  color:var(--ink-600);
  margin-left:4px;
  letter-spacing:0;
}
.delta-up{
  color:var(--success);
  font-size:12px;
  font-weight:800;
}
.float-badge{
  position:absolute;
  background:#fff;
  border-radius:var(--radius-md);
  box-shadow:0 12px 30px rgba(0,0,0,0.14);
  padding:12px 16px;
  display:flex;
  align-items:center;
  gap:10px;
  border-left:4px solid var(--accent-500);
  z-index:3;
}
.float-badge .fb-icon{
  width:34px;
  height:34px;
  border-radius:10px;
  background:var(--brand-50);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  color:var(--brand-700);
  font-weight:800;
}
.float-badge .fb-text{
  font-size:13px;
  font-weight:600;
  color:var(--ink-900);
  line-height:1.3;
}
.float-badge .fb-sub{
  font-size:12px;
  color:var(--ink-600);
}
.fb-1{top:14px;right:8px}
.fb-2{bottom:26px;left:-10px}

/* ===== Metrics Strip ===== */
.page-breadcrumb{
  padding:18px 0;
  background:#fff;
  border-bottom:1px solid #EDE8DD;
}
.breadcrumb-inner{
  font-size:14px;
  color:var(--ink-600);
}
.breadcrumb-inner a{color:var(--brand-700)}
.breadcrumb-inner a:hover{color:var(--accent-600)}
.breadcrumb-inner .sep{
  margin:0 8px;
  opacity:0.4;
}
.section{
  padding:96px 0;
}
.section-sm{
  padding:60px 0;
}
.section-title{
  font-size:34px;
  line-height:1.3;
  font-weight:800;
  color:var(--ink-900);
  margin-bottom:36px;
  max-width:820px;
  letter-spacing:-0.02em;
}
.section-title .accent{color:var(--brand-500)}
.section-subtitle{
  font-size:16px;
  color:var(--ink-600);
  margin-top:-18px;
  margin-bottom:50px;
  max-width:720px;
  line-height:1.8;
}
.sec-head-center{
  text-align:center;
}
.sec-head-center .section-title{
  margin-left:auto;
  margin-right:auto;
}
.sec-head-center .section-subtitle{
  margin-left:auto;
  margin-right:auto;
}

/* ===== Tool canvas ===== */
.tool-area{
  background:#fff;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:44px;
  display:grid;
  grid-template-columns:1.2fr 0.8fr;
  gap:40px;
  align-items:center;
}
.tool-artboard{
  background:linear-gradient(145deg,#F2F9F5,#FFF8EC);
  border-radius:var(--radius-lg);
  padding:32px;
  min-height:380px;
  position:relative;
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.art-top{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:26px;
}
.art-dot{
  display:flex;
  gap:6px;
}
.art-dot span{
  width:8px;height:8px;border-radius:50%;
  background:#C9BEB0;
}
.art-dot span:first-child{background:var(--brand-500)}
.art-title{
  font-size:14px;
  font-weight:700;
  color:var(--ink-900);
}
.art-update{
  font-size:12px;
  color:var(--ink-600);
  display:flex;
  align-items:center;
  gap:4px;
}
.art-main{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}
.fun-panel{
  background:#fff;
  border-radius:16px;
  padding:18px 14px;
  box-shadow:0 4px 12px rgba(5,63,54,0.06);
  border:1px solid #EEF1E9;
}
.fun-panel .f-title{
  font-size:12px;
  color:var(--ink-600);
  margin-bottom:8px;
  display:flex;
  align-items:center;
  gap:6px;
}
.fun-panel .f-title .t-dot{
  width:8px;height:8px;
  border-radius:50%;
  display:inline-block;
}
.f-dot1{background:#12806A}
.f-dot2{background:#F2A73B}
.f-dot3{background:#7B8F9C}
.f-number{
  font-family:var(--font-num);
  font-size:30px;
  font-weight:800;
  color:var(--ink-900);
  line-height:1.15;
}
.f-number small{
  font-size:13px;
  font-weight:600;
  color:var(--ink-600);
}
.f-progress{
  width:100%;
  height:8px;
  background:#F5EEE4;
  border-radius:99px;
  margin-top:10px;
  overflow:hidden;
}
.f-progress i{
  display:block;
  height:100%;
  border-radius:99px;
  background:linear-gradient(90deg,var(--brand-500),#65BC9A);
}
.art-bottom{
  margin-top:24px;
  background:rgba(255,255,255,0.8);
  border-radius:14px;
  padding:14px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  border:1px solid rgba(5,63,54,0.06);
}
.art-bottom .linespan{
  color:var(--success);
  font-weight:700;
}

/* ===== Chart cards ===== */
.chart-cards{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin-top:16px;
}
.chart-item{
  background:#fff;
  border-radius:var(--radius-md);
  padding:16px;
  box-shadow:0 3px 12px rgba(5,63,54,0.04);
}
.chart-item p{
  font-size:12px;
  color:var(--ink-600);
  margin-bottom:6px;
}
.chart-item .digit{
  font-family:var(--font-num);
  font-size:30px;
  font-weight:800;
  color:var(--ink-900);
}
.chart-item .digit small{
  font-size:13px;
  color:var(--success);
  margin-left:4px;
}
.tool-side{
  display:flex;
  flex-direction:column;
}
.tool-side h3{
  font-size:28px;
  line-height:1.35;
  font-weight:800;
  margin-bottom:18px;
  color:var(--ink-900);
  letter-spacing:-0.01em;
}
.tool-point{
  display:flex;
  gap:12px;
  margin-top:18px;
  align-items:flex-start;
}
.tool-point .tp-icon{
  flex:0 0 34px;
  width:34px;
  height:34px;
  border-radius:10px;
  background:var(--brand-50);
  color:var(--brand-700);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:14px;
}
.tool-point .tp-text strong{
  font-size:16px;
  font-weight:700;
  display:block;
  color:var(--ink-900);
  margin-bottom:4px;
}
.tool-point .tp-text p{
  font-size:14px;
  color:var(--ink-600);
  line-height:1.7;
}
.tool-action{
  margin-top:28px;
}

/* ===== Bento Toolkit ===== */
.tool-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:24px;
}
.tool-card{
  background:#fff;
  border-radius:var(--radius-lg);
  padding:32px 28px;
  box-shadow:var(--shadow-card);
  grid-column:span 3;
  border:1px solid rgba(232,227,216,0.5);
  transition:transform .3s, box-shadow .3s;
  position:relative;
  overflow:hidden;
}
.tool-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.tool-card.wide{
  grid-column:span 4;
}
.tool-card.slim{
  grid-column:span 2;
}
.tool-card .tool-head{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:18px;
}
.tool-card .tool-icon{
  width:46px;
  height:46px;
  border-radius:14px;
  background:linear-gradient(135deg,var(--brand-900),var(--brand-500));
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:18px;
  font-weight:800;
  flex-shrink:0;
  box-shadow:0 6px 15px rgba(18,128,106,0.2);
}
.tool-card .tool-icon.tool-amber{
  background:linear-gradient(135deg,var(--accent-500),var(--accent-600));
  box-shadow:0 6px 15px rgba(242,167,59,0.25);
}
.tool-card .tool-icon.tool-ink{
  background:linear-gradient(135deg,#2A3A35,#17201D);
}
.tool-card .tool-name{
  font-size:20px;
  font-weight:700;
  color:var(--ink-900);
}
.tool-card .tool-desc{
  font-size:14.5px;
  color:var(--ink-600);
  line-height:1.75;
  margin-bottom:18px;
}
.tool-card .tool-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.mini-tag{
  display:inline-block;
  font-size:12px;
  padding:4px 11px;
  border-radius:999px;
  background:var(--brand-50);
  color:var(--brand-700);
  font-weight:600;
}
.mini-tag.tag-light{
  background:#FFF4E3;
  color:var(--accent-600);
}
.mini-tag.tag-gray{
  background:#F0EDE6;
  color:var(--ink-600);
}
.tool-num{
  position:absolute;
  right:22px;
  top:22px;
  font-family:var(--font-num);
  font-weight:800;
  font-size:15px;
  color:rgba(23,32,29,0.18);
}
.tool-foot-link{
  margin-top:18px;
  display:inline-flex;
  align-items:center;
  gap:5px;
  font-size:14px;
  color:var(--brand-700);
  font-weight:600;
}
.tool-foot-link:hover{color:var(--accent-600)}
.tool-foot-link .arrow{
  transition:transform .2s;
}
.tool-foot-link:hover .arrow{
  transform:translateX(4px);
}

/* ===== Comparison ===== */
.compare-section{
  background:#fff;
  border-top:1px solid #F0ECE3;
  border-bottom:1px solid #F0ECE3;
}
.compare-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  align-items:stretch;
}
.compare-card{
  background:var(--paper);
  border-radius:var(--radius-lg);
  padding:38px 36px 42px;
  height:100%;
  border:1px solid #F0EAE0;
}
.compare-card strong.heading{
  display:block;
  font-size:20px;
  font-weight:800;
  color:var(--ink-900);
  padding-bottom:6px;
  border-bottom:2px dashed #DCD4C6;
  margin-bottom:24px;
}
.compare-card.before{opacity:0.92}
.compare-card.after{
  background:linear-gradient(145deg,#F2FAF6,#F7FBF2);
  border-color:rgba(18,128,106,0.24);
  outline:1px solid rgba(18,128,106,0.2);
  box-shadow:0 12px 30px rgba(18,128,106,0.09);
}
.compare-card.after strong.heading{
  color:var(--brand-900);
  border-color:rgba(18,128,106,0.24);
}
.item-line{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  padding:13px 0;
  border-bottom:1px solid #EDE8DE;
}
.item-line:last-child{border-bottom:none}
.item-label{color:var(--ink-600);font-size:14.5px}
.item-value{
  font-family:var(--font-num);
  font-size:24px;
  font-weight:800;
  color:var(--ink-900);
  letter-spacing:0.02em;
  white-space:nowrap;
}
.item-value small{
  font-size:13px;
  color:var(--ink-600);
  font-weight:500;
  margin-right:2px;
}
.compare-card.after .item-value{
  color:var(--brand-700);
}
.compare-foot{
  margin-top:34px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
}
.tool-proof{
  display:flex;
  gap:10px;
  align-items:center;
}
.proof-avatar{
  width:44px;
  height:44px;
  border-radius:14px;
  background:linear-gradient(135deg,var(--accent-500),var(--accent-600));
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-weight:800;
  font-size:17px;
}
.proof-avatars{
  display:flex;
  margin-right:2px;
}
.proof-avatars span{
  width:36px;
  height:36px;
  border-radius:50%;
  border:2px solid #fff;
  margin-left:-10px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--brand-700);
  color:#fff;
  font-size:12px;
  font-weight:700;
}
.proof-avatars span:first-child{margin-left:0;background:linear-gradient(135deg,#12806A,#65BC9A)}
.proof-avatars span:nth-child(2){background:linear-gradient(135deg,#F2A73B,#D97F16)}
.proof-avatars span:nth-child(3){background:linear-gradient(135deg,#55635E,#17201D)}
.proof-text small{
  display:block;
  font-size:13px;
  color:var(--ink-600);
}
.compare-proof{
  font-size:15px;
  font-weight:600;
  color:var(--brand-700);
}

/* ===== Time line / Approach ===== */
.approach-section{
  background:#F9F7F2;
}
.pipeline{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:16px;
  margin-top:44px;
}
.pipe-item{
  background:#fff;
  border-radius:var(--radius-md);
  padding:24px 18px;
  text-align:center;
  border-top:4px solid var(--brand-500);
  box-shadow:var(--shadow-card);
  position:relative;
  transition:transform .3s, box-shadow .3s;
}
.pipe-item:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-hover);
}
.pipe-item .step-dot{
  width:36px;
  height:36px;
  border-radius:50px;
  background:linear-gradient(135deg,var(--brand-500),#65BC9A);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-weight:800;
  margin:0 auto 18px;
  font-size:14px;
}
.pipe-item p{
  font-size:15px;
  font-weight:700;
  color:var(--ink-900);
  margin-bottom:6px;
}
.pipe-item small{
  font-size:13px;
  color:var(--ink-600);
  line-height:1.6;
}

/* ===== KPI board ===== */
.kpi-section{
  background:linear-gradient(135deg,var(--brand-900),var(--brand-700));
  color:#fff;
  position:relative;
  overflow:hidden;
}
.kpi-section::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size:36px 36px;
}
.kpi-section .section-title{color:#fff}
.kpi-section .section-subtitle{color:rgba(255,255,255,0.75)}
.kpi-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  position:relative;
  z-index:1;
}
.kpi-card{
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.14);
  border-radius:var(--radius-lg);
  padding:28px 22px;
  backdrop-filter:blur(8px);
  transition:background .3s, transform .3s;
  text-align:center;
}
.kpi-card:hover{
  background:rgba(255,255,255,0.15);
  transform:translateY(-4px);
}
.kpi-card .kpi-num{
  font-family:var(--font-num);
  font-size:36px;
  font-weight:800;
  line-height:1.1;
  color:#FBD9A0;
  margin-bottom:6px;
}
.kpi-card .kpi-title{
  font-size:16px;
  font-weight:700;
  color:#fff;
  margin-bottom:6px;
}
.kpi-card .kpi-desc{
  font-size:13px;
  color:rgba(255,255,255,0.75);
}

/* ===== Story / Case ===== */
.case-wrap{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.case-card{
  background:#fff;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:box-shadow .3s, transform .3s;
}
.case-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.case-card .case-cover{
  height:190px;
  background:#DDEBDD;
  background-position:center;
  background-size:cover;
  position:relative;
  color:#fff;
}
.case-card .case-cover .case-badge{
  position:absolute;
  top:16px;
  left:16px;
  background:rgba(5,63,54,0.78);
  backdrop-filter:blur(4px);
  border-radius:999px;
  padding:5px 14px;
  font-size:13px;
  font-weight:600;
  border:1px solid rgba(255,255,255,0.24);
}
.case-card .case-body{
  padding:20px 22px 26px;
}
.case-card .case-body h3{
  font-size:18px;
  color:var(--ink-900);
  margin-bottom:10px;
  font-weight:700;
  line-height:1.5;
}
.case-card .case-body p{
  font-size:14px;
  color:var(--ink-600);
  line-height:1.75;
  margin-bottom:18px;
}
.case-labels{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
}

/* ===== Showcase data ===== */
.dataflow{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.flow-card{
  background:#fff;
  border-radius:var(--radius-lg);
  padding:30px;
  box-shadow:var(--shadow-card);
  border-bottom:3px solid var(--brand-500);
}
.flow-card .flow-num{
  font-size:13px;
  color:var(--accent-600);
  font-weight:700;
  letter-spacing:0.08em;
  display:block;
  margin-bottom:8px;
}
.flow-card h3{
  font-size:20px;
  font-weight:800;
  color:var(--ink-900);
  margin-bottom:16px;
}
.flow-card p{
  font-size:14px;
  color:var(--ink-600);
  line-height:1.8;
}

/* ===== Insight panels ===== */
.insight-section{
  background:linear-gradient(180deg,#F8F7F2, #EFEDE6);
}
.insight-news{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.insight-card{
  background:#fff;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  padding-bottom:20px;
  transition:transform .3s, box-shadow .3s;
}
.insight-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.insight-card .cover{
  height:158px;
  background:#DDEBDD;
  background-size:cover;
  background-position:center;
  position:relative;
}
.insight-card .content{
  padding:22px 22px 4px;
}
.insight-card .tag{
  display:inline-flex;
  font-size:12px;
  padding:3px 12px;
  border-radius:8px;
  background:var(--brand-50);
  color:var(--brand-700);
  font-weight:700;
  margin-bottom:12px;
}
.insight-card h4{
  font-size:18px;
  line-height:1.5;
  font-weight:700;
  color:var(--ink-900);
  margin-bottom:10px;
}
.insight-card p{
  font-size:14px;
  color:var(--ink-600);
  line-height:1.75;
  margin-bottom:14px;
}
.insight-card .meta{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:10px 22px 0;
  color:var(--ink-600);
  font-size:13px;
  border-top:1px dashed #EDE7DC;
  margin-top:2px;
}
.insight-card .meta a{
  color:var(--brand-700);
  font-weight:600;
}

/* ===== FAQ ===== */
.faq-section{
  background:#fff;
}
.faq-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  align-items:start;
}
.faq-item{
  background:var(--paper);
  border-radius:18px;
  border:1px solid #EBE8DF;
  overflow:hidden;
  transition:border-color .3s, box-shadow .3s;
}
.faq-item.open{
  border-color:rgba(18,128,106,0.38);
  box-shadow:0 8px 20px rgba(5,63,54,0.08);
  background:#fff;
}
.faq-q{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding:22px 24px;
  cursor:pointer;
  font-weight:700;
  font-size:16px;
  color:var(--ink-900);
  line-height:1.5;
}
.faq-icon{
  flex:0 0 28px;
  width:28px;
  height:28px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--brand-50);
  position:relative;
  transition:transform .3s, background .3s;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  width:12px;
  height:2px;
  background:var(--brand-700);
  border-radius:2px;
  position:absolute;
  transition:background .2s;
}
.faq-icon::after{
  transform:rotate(90deg);
}
.faq-item.open .faq-icon{
  transform:rotate(45deg);
  background:var(--brand-500);
}
.faq-item.open .faq-icon::before,
.faq-item.open .faq-icon::after{
  background:#fff;
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease, padding .25s;
  padding:0 24px;
  font-size:15px;
  color:var(--ink-600);
  line-height:1.8;
}
.faq-item.open .faq-a{
  max-height:320px;
  padding:0 24px 24px;
}

/* ===== CTA / Contact ===== */
.contact-section{
  background:linear-gradient(135deg,#0B4237,#0B5C4C);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.contact-section::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(circle at 80% 30%, rgba(101,188,154,0.28), transparent 20%);
  pointer-events:none;
}
.contact-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:center;
  position:relative;
  z-index:1;
}
.contact-copy h2{
  font-size:34px;
  line-height:1.32;
  font-weight:800;
  margin-bottom:18px;
  color:#fff;
}
.contact-copy h2 em{
  font-style:normal;
  color:#FFD08A;
}
.contact-copy p{
  color:rgba(255,255,255,0.88);
  margin-bottom:28px;
  line-height:1.85;
  font-size:16px;
}
.contact-list{
  margin-bottom:32px;
}
.contact-list li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  margin-bottom:16px;
  color:rgba(255,255,255,0.9);
}
.contact-list li .c-icon{
  flex:0 0 32px;
  width:32px;
  height:32px;
  border-radius:10px;
  background:rgba(255,255,255,0.16);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  color:#FFD08A;
  margin-top:4px;
}
.contact-form-card{
  background:#fff;
  border-radius:var(--radius-lg);
  padding:44px 38px;
  color:var(--ink-900);
  box-shadow:0 32px 66px rgba(0,0,0,0.24);
}
.contact-form-card h3{
  font-size:24px;
  font-weight:800;
  color:var(--ink-900);
  margin-bottom:8px;
}
.contact-form-card .form-intro{
  font-size:14px;
  color:var(--ink-600);
  margin-bottom:28px;
  border-bottom:1px solid #EAE3D8;
  padding-bottom:18px;
}
.form-row{
  margin-bottom:20px;
}
.form-row label{
  display:block;
  font-size:14px;
  font-weight:600;
  margin-bottom:8px;
  color:var(--ink-900);
}
.form-row input,
.form-row select,
.form-row textarea{
  width:100%;
  height:48px;
  padding:0 16px;
  border-radius:14px;
  border:1px solid #E6E2D8;
  background:var(--paper);
  transition:border-color .25s, background .25s, box-shadow .25s;
  font-size:14px;
  outline:none;
  color:var(--ink-900);
}
.form-row textarea{
  height:auto;
  padding:13px 16px;
  resize:vertical;
  min-height:82px;
}
.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus{
  border-color:var(--brand-500);
  background:#fff;
  box-shadow:0 0 0 4px rgba(18,128,106,0.08);
}
.form-submit{
  margin-top:24px;
}
.form-note{
  margin-top:12px;
  font-size:12px;
  color:var(--ink-600);
  text-align:center;
}
.form-error{
  display:none;
  font-size:14px;
  color:#C42E33;
  margin-top:10px;
  background:#FDF2F2;
  padding:8px 12px;
  border-radius:10px;
  border:1px solid #F5C4C6;
}
.form-error.show{display:block}
.submit-success{
  display:none;
  margin-top:12px;
  font-size:14px;
  color:var(--success);
  background:#E7F8F1;
  padding:10px 14px;
  border-radius:10px;
  border:1px solid #BDEADC;
}
.submit-success.show{display:block}

/* ===== Footer ===== */
.site-footer{
  background:linear-gradient(135deg,#0B4237,#053F36);
  color:rgba(255,255,255,0.85);
  padding:64px 0 30px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr 0.85fr 0.85fr;
  gap:44px;
  margin-bottom:38px;
}
.footer-brand .logo{
  margin-bottom:18px;
}
.footer-brand .logo-text{
  color:#fff;
}
.footer-about{
  color:rgba(255,255,255,0.72);
  max-width:470px;
  font-size:14px;
  margin-bottom:18px;
  line-height:1.8;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.16);
  padding-top:22px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,0.64);
}
}
.footer-col .footer-title{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-nav{
  display:grid;
  gap:12px;
}
.footer-nav a{
  color:rgba(255,255,255,0.7);
  font-size:14px;
}
.footer-nav a:hover{
  color:var(--accent-500);
}
.footer-data{
  margin-top:16px;
}

/* ===== Responsive ===== */
@media (max-width:1199px){
  .site-nav .nav-list{gap:0px}
  .nav-list .nav-link{padding:8px 12px}
  .hero-wrap{grid-template-columns:1fr;gap:42px}
  .hero-visual{min-height:300px}
  .faq-wrap{grid-template-columns:1fr}
  .pipeline{grid-template-columns:repeat(3,1fr)}
  .kpi-row{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .tool-area{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .nav-search{display:none}
  .tool-grid{grid-template-columns:repeat(2,1fr)}
  .tool-card, .tool-card.wide, .tool-card.slim{grid-column:span 1}
  .insight-news{grid-template-columns:repeat(2,1fr)}
  .case-wrap{grid-template-columns:1fr}
  .section-title{font-size:28px}
  .section{padding:76px 0}
  .contact-wrap{grid-template-columns:1fr}
}
@media (max-width:767px){
  .header-inner{flex-wrap:wrap}
  .site-header{position:sticky}
  .site-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:#fff;
    padding:8px 20px 20px;
    clip-path:inset(0 0 100% 0);
    transition:clip-path .3s, opacity .3s;
    opacity:0;
    border-bottom:1px solid #EAE5DC;
    box-shadow:0 14px 26px rgba(5,63,54,0.06);
    z-index:99;
  }
  .site-nav.open{
    clip-path:inset(0 0 0 0);
    opacity:1;
  }
  .site-nav .nav-list{
    flex-direction:column;
    align-items:flex-start;
    margin-top:8px;
    gap:0;
  }
  .site-nav .nav-list li{width:100%}
  .site-nav .nav-link{
    width:100%;
    padding:14px 14px;
    border-radius:10px;
  }
  .nav-toggle{
    display:inline-flex;
    align-items:center;
  }
  .nav-cta{
    margin-left:auto;
    margin-right:4px;
    padding:0 20px;
    height:40px;
    font-size:14px;
  }
  .header-inner{
    height:68px;
  }
  .logo-text{font-size:17px}
  .nav-search{
    order:9;
    display:flex;
    flex:1 1 100%;
    height:44px;
    margin-top:6px;
    max-width:none;
  }
  .nav-search input{max-width:none;width:100%}
  .hero-title{
    font-size:36px;
  }
  .hero-subtitle{font-size:15px}
  .section-title{font-size:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .compare-wrap{grid-template-columns:1fr}
  .dataflow{grid-template-columns:1fr}
  .insight-news{grid-template-columns:1fr}
  .float-badge.fb-1{right:-5px;top:-4px}
  .float-badge.fb-2{left:-5px}
  .tool-card{padding:26px 20px}
  .tool-area{padding:28px 22px}
  .art-main{
    grid-template-columns:1fr 1fr;
  }
  .art-main .fun-panel:last-child{
    grid-column:1 / -1;
  }
}
@media (max-width:480px){
  .hero-title{font-size:29px}
  .hero-actions .btn{
    width:100%;
  }
  .kpi-row{grid-template-columns:1fr 1fr}
  .pipeline{grid-template-columns:1fr 1fr}
  .faq-q{padding:18px}
  .contact-form-card{padding:28px 20px;}
  .section{padding:50px 0}
  .tool-grid{
    grid-template-columns:1fr;
  }
  .tool-card{grid-column:span 1}
  .hero-visual{min-height:auto}
  .art-main{grid-template-columns:1fr}
  .btn-white,
  .btn-dark{
    width:100%;
  }
}

/* roulang page: category3 */
:root {
    --brand-900: #05372F;
    --brand-800: #073F34;
    --brand-700: #0B5544;
    --brand-500: #12765E;
    --brand-300: #4D9E80;
    --brand-100: #CBE4D8;
    --brand-50: #E9F3ED;
    --ink-900: #1E2A22;
    --ink-700: #36443A;
    --ink-600: #546259;
    --ink-300: #98A39A;
    --paper: #F7F1E7;
    --paper-deep: #EFE5D3;
    --cream: #FDFAF4;
    --white: #FFFFFF;
    --accent: #E79A2B;
    --accent-dark: #C77616;
    --line: #E2D7C3;
    --line-deep: #CBBB9D;
    --shadow-sm: 0 1px 2px rgba(30, 42, 34, .06);
    --shadow-md: 0 14px 32px rgba(30, 42, 34, .09);
    --shadow-lg: 0 24px 50px rgba(5, 55, 47, .14);
    --radius-lg: 26px;
    --radius-md: 18px;
    --radius-sm: 12px;
    --section-space: clamp(64px, 8vw, 104px);
    --container: 1240px;
    --font-sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
    --font-num: "DIN Alternate", "Oswald", "Bahnschrift", "Arial Narrow", sans-serif;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--ink-900);
    background: var(--paper);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }

  body.nav-lock {
    overflow: hidden;
  }

  img {
    max-width: 100%;
    display: inline-block;
    vertical-align: middle;
  }

  a {
    color: var(--brand-700);
    text-decoration: none;
    transition: color .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease;
  }

  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  textarea:focus-visible {
    outline: 2px solid var(--accent-dark);
    outline-offset: 2px;
  }

  .container {
    max-width: var(--container);
    margin: 0 auto;
    padding-left: 28px;
    padding-right: 28px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    font-weight: 700;
    line-height: 1.2;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease, opacity .2s ease;
    font-family: var(--font-sans);
    white-space: nowrap;
  }

  .btn:active {
    transform: scale(.97);
  }

  .btn-accent {
    background: linear-gradient(135deg, #F2A73B 0%, #D97F16 100%);
    color: #1F270F;
    box-shadow: 0 8px 20px rgba(217, 127, 22, .28);
  }

  .btn-accent:hover {
    color: var(--white);
    background: linear-gradient(135deg, #16483D 0%, #0B5C4C 100%);
    box-shadow: 0 12px 22px rgba(5, 63, 54, .18);
    transform: translateY(-2px);
  }

  .btn-dark {
    background: var(--brand-700);
    color: #fff;
    box-shadow: 0 8px 18px rgba(5, 63, 54, .16);
  }

  .btn-dark:hover {
    background: var(--brand-900);
    color: #fff;
    transform: translateY(-2px);
  }

  .btn-ghost {
    background: transparent;
    border-color: rgba(255, 255, 255, .8);
    color: #fff;
  }

  .btn-ghost:hover {
    background: rgba(255, 255, 255, .13);
    border-color: #fff;
    transform: translateY(-2px);
  }

  .btn-sm {
    padding: 10px 20px;
    font-size: 14px;
  }

  .btn-md {
    padding: 14px 26px;
    font-size: 15px;
  }

  .btn-lg {
    padding: 17px 34px;
    font-size: 16px;
  }

  .section-header {
    max-width: 780px;
    margin-bottom: clamp(38px, 5vw, 58px);
  }

  .section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .06em;
    color: var(--brand-700);
    background: var(--brand-50);
    border: 1px solid var(--brand-100);
    border-radius: 999px;
    padding: 8px 14px;
    margin-bottom: 14px;
  }

  .section-kicker::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
  }

  .section-title {
    font-size: clamp(28px, 4vw, 38px);
    line-height: 1.3;
    margin: 0 0 16px;
    letter-spacing: -.02em;
    color: var(--ink-900);
    font-weight: 800;
  }

  .section-sub {
    font-size: 16px;
    color: var(--ink-600);
    line-height: 1.85;
    margin: 0;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid #EBE0CF;
    box-shadow: 0 5px 16px rgba(30, 42, 34, .03);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    min-height: 74px;
  }

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

  .logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: linear-gradient(135deg, #053F36, #12806A);
    color: #fff;
    font-weight: 800;
    font-size: 15px;
    letter-spacing: -.04em;
    box-shadow: 0 8px 18px rgba(5, 63, 54, .2);
  }

  .logo-text {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -.02em;
    color: var(--ink-900);
  }

  .nav-list {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: var(--ink-700);
    border: 1px solid transparent;
  }

  .nav-link:hover {
    color: var(--brand-700);
    background: var(--brand-50);
  }

  .nav-link.active {
    background: rgba(18, 128, 106, .1);
    color: var(--brand-700);
    border-color: rgba(18, 128, 106, .18);
  }

  .nav-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
  }

  .nav-search {
    position: relative;
    width: 180px;
  }

  .nav-search input {
    width: 100%;
    height: 40px;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 13px;
    padding: 0 14px 0 40px;
    color: var(--ink-900);
    background: #FBF8F2;
    transition: border-color .2s ease, box-shadow .2s ease;
  }

  .nav-search input:focus {
    outline: none;
    border-color: var(--brand-500);
    box-shadow: 0 0 0 3px rgba(18, 128, 106, .1);
  }

  .nav-search-btn {
    position: absolute;
    left: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    border: 0;
    background: transparent;
    color: var(--ink-600);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 50%;
  }

  .nav-search-btn:hover {
    color: var(--brand-700);
    background: var(--brand-50);
  }

  .nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: var(--cream);
    cursor: pointer;
    position: relative;
    padding: 0;
  }

  .nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: var(--brand-800);
    margin: 0 auto;
    transition: background .2s ease, transform .3s ease;
    box-shadow: 0 -6px 0 var(--brand-800), 0 6px 0 var(--brand-800);
  }

  .nav-toggle:hover span {
    background: var(--brand-500);
    box-shadow: 0 -6px 0 var(--brand-500), 0 6px 0 var(--brand-500);
  }

  .nav-toggle.active span {
    background: transparent;
    box-shadow: none;
    transform: rotate(45deg);
  }

  .nav-toggle.active span::before,
  .nav-toggle.active span::after {
    content: "";
    position: absolute;
    width: 18px;
    height: 2px;
    background: var(--brand-800);
    top: 50%;
    left: 50%;
    border-radius: 2px;
  }

  .nav-toggle.active span::before {
    transform: translate(-50%, -50%) rotate(90deg);
  }

  .nav-toggle.active span::after {
    transform: translate(-50%, -50%);
  }

  .site-main {
    padding-bottom: 40px;
  }

  .page-hero {
    position: relative;
    background: linear-gradient(135deg, rgba(5, 55, 47, .95), rgba(11, 85, 68, .88)), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
    color: #fff;
    overflow: hidden;
  }

  .page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
    background-size: 42px 42px;
    pointer-events: none;
  }

  .hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    align-items: center;
    gap: 42px;
    grid-template-columns: 1.02fr .98fr;
    padding-top: clamp(64px, 8vw, 104px);
    padding-bottom: clamp(84px, 10vw, 130px);
  }

  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    color: #FFD89C;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .2);
    padding: 7px 14px;
    border-radius: 999px;
    margin-bottom: 20px;
    letter-spacing: .05em;
  }

  .hero-eyebrow::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #F2A73B;
  }

  .hero-title {
    font-size: clamp(32px, 4.4vw, 48px);
    line-height: 1.2;
    margin: 0 0 18px;
    font-weight: 800;
    letter-spacing: -.02em;
    color: #fff;
  }

  .hero-title span {
    color: #F9C575;
  }

  .hero-lead {
    max-width: 560px;
    font-size: 16px;
    line-height: 1.85;
    color: rgba(255, 255, 255, .88);
    margin: 0 0 30px;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }

  .hero-visual {
    position: relative;
    margin-top: 8px;
  }

  .hero-visual-inner {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .28);
    box-shadow: 0 30px 50px rgba(0, 0, 0, .25);
  }

  .hero-visual-inner::after {
    content: "";
    position: absolute;
    inset: 18px;
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: calc(var(--radius-lg) - 12px);
    pointer-events: none;
  }

  .hero-visual-inner img {
    width: 100%;
    height: 330px;
    object-fit: cover;
    display: block;
  }

  .hero-note-card {
    position: absolute;
    left: -16px;
    bottom: 54px;
    background: var(--cream);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    font-size: 13px;
    color: var(--ink-700);
    border-left: 4px solid var(--accent);
    box-shadow: var(--shadow-md);
    max-width: 230px;
    font-weight: 600;
    line-height: 1.6;
  }

  .hero-note-card small {
    display: block;
    color: var(--ink-300);
    font-weight: 500;
    margin-top: 6px;
  }

  .hero-note-card.up {
    left: auto;
    right: -10px;
    top: 22px;
    bottom: auto;
    border-left: 0;
    border-right: 4px solid var(--brand-500);
  }

  .hero-side-tag {
    position: absolute;
    right: 12px;
    bottom: 12px;
    background: rgba(5, 55, 47, .82);
    color: #fff;
    font-size: 12px;
    border-radius: 999px;
    padding: 7px 14px;
    border: 1px solid rgba(255, 255, 255, .25);
  }

  .metric-strip {
    position: relative;
    z-index: 3;
    margin-top: -46px;
    margin-bottom: 16px;
  }

  .metric-grid {
    background: var(--cream);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    box-shadow: var(--shadow-md);
    overflow: hidden;
  }

  .metric-item {
    padding: 28px 22px;
    border-left: 1px solid var(--line);
    display: flex;
    gap: 12px;
  }

  .metric-item:first-child {
    border-left: 0;
  }

  .metric-icon {
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    font-size: 20px;
    background: var(--brand-50);
    color: var(--brand-700);
  }

  .metric-num {
    font-family: var(--font-num);
    font-size: 34px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -.01em;
    color: var(--brand-800);
    font-variant-numeric: tabular-nums;
  }

  .metric-label {
    font-size: 14px;
    color: var(--ink-600);
    line-height: 1.45;
    margin-top: 8px;
  }

  .section {
    padding: clamp(64px, 8vw, 104px) 0;
  }

  .section-light {
    background: var(--paper);
  }

  .section-cream {
    background: var(--cream);
  }

  .section-line {
    border-top: 1px solid var(--line);
  }

  .ser-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .ser-card {
    background: var(--cream);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: clamp(26px, 3vw, 38px);
    position: relative;
    box-shadow: 0 1px 2px rgba(30, 42, 34, .02);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    overflow: hidden;
  }

  .ser-card::after {
    content: "";
    position: absolute;
    width: 180px;
    height: 180px;
    right: -74px;
    top: -74px;
    border-radius: 50%;
    border: 1px dashed rgba(18, 128, 106, .15);
    background: radial-gradient(circle at center, rgba(18, 128, 106, .03), transparent 70%);
  }

  .ser-card:hover {
    border-color: rgba(18, 128, 106, .28);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
  }

  .ser-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 18px;
    position: relative;
    z-index: 2;
  }

  .ser-num {
    font-family: var(--font-num);
    font-size: 14px;
    letter-spacing: .12em;
    color: var(--brand-500);
    background: rgba(18, 128, 106, .09);
    border: 1px solid rgba(18, 128, 106, .13);
    padding: 6px 10px;
    border-radius: 999px;
    font-weight: 700;
  }

  .ser-icon {
    width: 48px;
    height: 48px;
    border-radius: 15px;
    background: linear-gradient(135deg, #E8F4F0, #CBE4D8);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-700);
  }

  .ser-card h3 {
    font-size: clamp(19px, 2vw, 22px);
    margin: 0 0 10px;
    color: var(--ink-900);
    font-weight: 800;
    letter-spacing: -.01em;
  }

  .ser-card p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--ink-600);
    margin: 0 0 20px;
  }

  .ser-chips {
    position: relative;
    z-index: 2;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .ser-chip {
    display: inline-flex;
    align-items: center;
    font-size: 13px;
    color: var(--brand-800);
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 6px 12px;
    line-height: 1.4;
    font-weight: 500;
  }

  .ser-chip::before {
    content: "✓";
    margin-right: 5px;
    color: var(--brand-500);
    font-weight: 800;
  }

  .deep-band {
    background: linear-gradient(150deg, #032D27, #07463A, #0B5C4C);
    color: #fff;
    position: relative;
    overflow: hidden;
  }

  .deep-band::before {
    content: "";
    position: absolute;
    right: -8%;
    top: -10%;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    border: 80px solid rgba(255, 255, 255, .035);
  }

  .deep-band .section-title {
    color: #fff;
  }

  .deep-band .section-sub {
    color: rgba(255, 255, 255, .72);
  }

  .deep-band .section-kicker {
    background: rgba(255, 255, 255, .1);
    border-color: rgba(255, 255, 255, .18);
    color: #FFD9A0;
  }

  .process-layout {
    display: grid;
    grid-template-columns: .86fr 1.14fr;
    gap: 48px;
    align-items: start;
    position: relative;
    z-index: 2;
  }

  .process-note {
    background: rgba(255, 255, 255, .07);
    border: 1px solid rgba(255, 255, 255, .15);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-top: 24px;
  }

  .process-note dt {
    color: #F9C575;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .06em;
    text-transform: none;
  }

  .process-note dd {
    margin: 6px 0 0;
    font-size: 14px;
    color: rgba(255, 255, 255, .75);
  }

  .timeline {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .timeline-item {
    position: relative;
    padding: 0 0 0 54px;
  }

  .timeline-item::before {
    content: "";
    position: absolute;
    left: 15px;
    top: 30px;
    bottom: -6px;
    width: 1px;
    border-left: 1px dashed rgba(255, 255, 255, .3);
  }

  .timeline-item:last-child::before {
    display: none;
  }

  .timeline-item::after {
    content: "";
    position: absolute;
    left: 8px;
    top: 28px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: transparent;
    border: 2px solid #FFCA82;
  }

  .timeline-step {
    display: inline-flex;
    width: 34px;
    height: 20px;
    align-items: center;
    justify-content: center;
    font-family: var(--font-num);
    font-size: 11px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, .35);
    color: #ffe7bd;
    margin-bottom: 8px;
    letter-spacing: .05em;
    background: rgba(0, 0, 0, .15);
  }

  .timeline-item h3 {
    font-size: 18px;
    color: #fff;
    margin: 0 0 6px;
    font-weight: 800;
  }

  .timeline-item p {
    margin: 0;
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, .76);
  }

  .timeline-item + .timeline-item {
    margin-top: 30px;
  }

  .compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-md);
  }

  .compare-panel {
    padding: clamp(30px, 4vw, 44px);
  }

  .compare-old {
    background: #F6F1E8;
  }

  .compare-new {
    background: rgba(233, 243, 237, .8);
    border-left: 1px dashed rgba(18, 128, 106, .25);
    position: relative;
  }

  .compare-new::after {
    content: "";
    position: absolute;
    inset: 4px;
    border: 1px solid rgba(18, 128, 106, .18);
    border-radius: calc(var(--radius-lg) - 5px);
    pointer-events: none;
  }

  .compare-label {
    font-size: 13px;
    letter-spacing: .08em;
    font-weight: 800;
    margin: 0 0 22px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
  }

  .compare-old .compare-label {
    color: #8B6B4A;
    background: #EFE4D0;
  }

  .compare-new .compare-label {
    color: var(--brand-800);
    background: var(--brand-100);
  }

  .compare-item {
    display: flex;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px dashed var(--line-deep);
    align-items: flex-start;
    position: relative;
    z-index: 2;
  }

  .compare-item:last-child {
    border-bottom: 0;
  }

  .compare-icon {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 800;
  }

  .compare-old .compare-icon {
    background: #F0DEC5;
    color: #9A7040;
  }

  .compare-new .compare-icon {
    background: var(--brand-500);
    color: #fff;
  }

  .compare-item p {
    margin: 0;
    font-size: 14px;
  }

  .compare-item strong {
    font-weight: 800;
    color: var(--ink-900);
  }

  .compare-item span {
    color: var(--ink-600);
    font-size: 13px;
    display: block;
  }

  .structure-layout {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: clamp(34px, 5vw, 68px);
    align-items: center;
  }

  .structure-copy h3 {
    font-size: 22px;
    font-weight: 800;
    margin: 26px 0 0;
  }

  .feature-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
  }

  .feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 13px 0;
    border-bottom: 1px dashed var(--line);
  }

  .feature-list li:last-child {
    border-bottom: 0;
  }

  .feature-list i {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 999px;
    background: var(--brand-50);
    color: var(--brand-700);
    font-style: normal;
    font-size: 13px;
    font-weight: 800;
    margin-top: 3px;
  }

  .feature-list p {
    margin: 0;
    font-size: 14px;
    color: var(--ink-600);
  }

  .feature-list strong {
    font-size: 15px;
    color: var(--ink-900);
    display: block;
    font-weight: 700;
  }

  .article-demo {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
  }

  .demo-toolbar {
    background: #F4EDE1;
    border-bottom: 1px solid var(--line);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .demo-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #D3C2A4;
  }

  .demo-dot:nth-child(1) {
    background: #DE9F77;
  }

  .demo-dot:nth-child(2) {
    background: #EFC078;
  }

  .demo-dot:nth-child(3) {
    background: #84B497;
  }

  .demo-body {
    padding: 30px 32px 36px;
  }

  .demo-kicker-line {
    width: 90px;
    height: 12px;
    background: #CBE4D8;
    border-radius: 999px;
    margin-bottom: 14px;
  }

  .demo-title {
    width: 88%;
    height: 20px;
    background: #2B4E44;
    border-radius: 6px;
    margin-bottom: 9px;
  }

  .demo-title.short {
    width: 54%;
    height: 16px;
    background: rgba(43, 78, 68, .8);
    margin-bottom: 20px;
  }

  .demo-line {
    height: 8px;
    border-radius: 4px;
    background: #E7E2DA;
    display: block;
    margin-bottom: 9px;
    width: 100%;
  }

  .demo-line.w75 {
    width: 76%;
    margin-bottom: 28px;
  }

  .demo-h2 {
    width: 34%;
    height: 8px;
    background: #78978B;
    border-radius: 4px;
    margin-bottom: 13px;
    margin-top: 4px;
  }

  .demo-struct-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 24px 0 0;
    padding-top: 18px;
    border-top: 1px dashed var(--line);
  }

  .demo-tag {
    border: 1px solid var(--line);
    color: var(--ink-600);
    background: var(--paper);
    font-size: 12px;
    padding: 5px 11px;
    border-radius: 999px;
  }

  .demo-tag.strong {
    color: var(--brand-700);
    border-color: var(--brand-100);
    background: var(--brand-50);
    font-weight: 600;
  }

  .structure-illustrate {
    display: flex;
    gap: 18px;
    margin-top: 26px;
  }

  .structure-illustrate img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 18px;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
  }

  .faq-wrap {
    max-width: 900px;
    margin: 0 auto;
  }

  .faq-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
  }

  .faq-item {
    background: var(--cream);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color .25s, box-shadow .25s;
  }

  .faq-item.active {
    border-color: rgba(18, 128, 106, .4);
    box-shadow: 0 10px 24px rgba(18, 128, 106, .12);
  }

  .faq-q {
    width: 100%;
    background: transparent;
    border: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 20px 22px;
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 700;
    color: var(--ink-900);
    text-align: left;
    cursor: pointer;
    min-height: 60px;
  }

  .faq-q .faq-plus {
    position: relative;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
  }

  .faq-q .faq-plus::before,
  .faq-q .faq-plus::after {
    content: "";
    position: absolute;
    background: currentColor;
    border-radius: 4px;
    transition: transform .3s ease;
  }

  .faq-q .faq-plus::before {
    width: 16px;
    height: 2px;
    top: 11px;
    left: 4px;
  }

  .faq-q .faq-plus::after {
    width: 2px;
    height: 16px;
    top: 4px;
    left: 11px;
  }

  .faq-item.active .faq-q .faq-plus::after {
    transform: scaleY(0);
  }

  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
    padding: 0 22px;
  }

  .faq-a-inner {
    padding-bottom: 20px;
    font-size: 15px;
    line-height: 1.85;
    color: var(--ink-600);
    border-top: 1px dashed var(--line);
    padding-top: 16px;
  }

  .cta-section {
    background: linear-gradient(135deg, #F3EAD9, #EDE1CA);
    padding: clamp(64px, 8vw, 100px) 0;
  }

  .cta-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: clamp(28px, 5vw, 64px);
    align-items: center;
  }

  .cta-copy .section-kicker {
    background: #FFF6E8;
    border-color: rgba(231, 154, 43, .3);
    color: #9C620F;
  }

  .cta-copy .section-title {
    color: var(--brand-900);
  }

  .cta-guide-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 28px;
    padding-left: 0;
    list-style: none;
  }

  .cta-guide-list li {
    display: flex;
    gap: 12px;
    font-size: 14px;
    color: var(--ink-700);
  }

  .cta-guide-list li::before {
    content: "";
    flex-shrink: 0;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #E79A2B;
    margin-top: 9px;
  }

  .form-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    padding: clamp(28px, 4vw, 42px);
    box-shadow: var(--shadow-lg);
  }

  .form-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--ink-900);
    margin: 0 0 8px;
  }

  .form-desc {
    font-size: 13px;
    color: var(--ink-600);
    margin: 0 0 24px;
  }

  .form-group {
    margin-bottom: 16px;
  }

  .form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--ink-800);
    margin-bottom: 6px;
  }

  .form-group input,
  .form-group textarea,
  .form-group select {
    width: 100%;
    height: 48px;
    padding: 0 16px;
    background: #FBF8F2;
    border: 1px solid #E2D7C3;
    border-radius: 12px;
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--ink-900);
    transition: border-color .2s, box-shadow .2s, background .2s;
  }

  .form-group textarea {
    height: 110px;
    padding: 12px 16px;
    resize: vertical;
  }

  .form-group input:focus,
  .form-group textarea:focus,
  .form-group select:focus {
    outline: 0;
    background: var(--white);
    border-color: var(--brand-500);
    box-shadow: 0 0 0 3px rgba(18, 128, 106, .1);
  }

  .form-agree {
    font-size: 12px;
    color: var(--ink-600);
    margin: 12px 0 18px;
  }

  .submit-result {
    display: none;
    margin-top: 12px;
    font-size: 13px;
    color: var(--success, #0A8F5D);
    background: var(--brand-50);
    border: 1px dashed rgba(18, 128, 106, .5);
    padding: 10px 12px;
    border-radius: 10px;
    line-height: 1.6;
  }

  .submit-result.show {
    display: block;
  }

  .submit-result.error {
    color: #A4541C;
    background: #FFF3E6;
    border-color: #E79A2B;
  }

  .site-footer {
    background: linear-gradient(150deg, #04322B, #043B31);
    color: rgba(255, 255, 255, .8);
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.35fr .9fr .9fr;
    gap: 40px;
    padding: 68px 0 32px;
  }

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

  .footer-brand .logo-icon {
    background: var(--brand-900);
    box-shadow: none;
    border: 1px solid rgba(255, 255, 255, .25);
  }

  .footer-about {
    font-size: 14px;
    line-height: 1.85;
    color: rgba(255, 255, 255, .72);
    margin: 18px 0 16px;
    max-width: 420px;
  }

  .data-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 999px;
    padding: 7px 14px;
    font-size: 12px;
    font-weight: 600;
    background: rgba(255, 255, 255, .1);
  }

  .footer-col .footer-title {
    font-size: 14px;
    color: #fff;
    font-weight: 700;
    letter-spacing: .02em;
    margin-bottom: 16px;
  }

  .footer-nav {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .footer-nav a {
    display: inline-flex;
    font-size: 14px;
    color: rgba(255, 255, 255, .7);
    padding: 3px 0;
  }

  .footer-nav a:hover {
    color: #F2A73B;
    transition: color .2s;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .13);
    padding: 24px 0 28px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, .52);
  }

  @media (max-width: 1160px) {
    .brand-mark {
      display: none;
    }

    .nav-search {
      width: 135px;
    }

    .nav-link {
      padding: 8px 10px;
      font-size: 13px;
    }
  }

  @media (max-width: 1023px) {
    .header-inner {
      gap: 16px;
    }

    .logo-text {
      font-size: 18px;
    }

    .nav-list {
      gap: 2px;
    }

    .nav-cta {
      display: none;
    }

    .hero-inner {
      grid-template-columns: 1fr;
    }

    .hero-visual {
      max-width: 560px;
    }

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

    .metric-item:nth-child(3) {
      border-left: 0;
      border-top: 1px solid var(--line);
    }

    .metric-item:nth-child(4) {
      border-top: 1px solid var(--line);
    }

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

    .process-layout,
    .structure-layout {
      grid-template-columns: 1fr;
      gap: 42px;
    }

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

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

    .footer-brand {
      grid-column: 1 / -1;
    }
  }

  @media (max-width: 767px) {
    .container {
      padding-left: 18px;
      padding-right: 18px;
    }

    .site-header {
      background: #fff;
    }

    .header-inner {
      min-height: 64px;
    }

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

    .logo-icon {
      width: 38px;
      height: 38px;
      border-radius: 12px;
      font-size: 14px;
    }

    .nav-search {
      display: none;
    }

    .nav-actions .btn {
      display: none;
    }

    .nav-toggle {
      display: inline-flex;
      align-items: center;
    }

    .nav-toggle span::before,
    .nav-toggle span::after {
      content: "";
      position: absolute;
      width: 18px;
      height: 2px;
      border-radius: 2px;
      background: var(--brand-800);
      left: 50%;
      transform: translateX(-50%);
    }

    .nav-toggle span::before {
      top: 7px;
      box-shadow: 0 6px 0 var(--brand-800);
    }

    .nav-toggle span::after {
      bottom: 7px;
      box-shadow: 0 -6px 0 var(--brand-800);
    }

    .site-nav {
      position: fixed;
      top: 64px;
      left: 0;
      right: 0;
      background: var(--cream);
      border-bottom: 1px solid var(--line);
      display: none;
      max-height: calc(100vh - 64px);
      overflow-y: auto;
      box-shadow: 0 22px 30px rgba(30, 42, 34, .14);
      padding: 18px;
    }

    .site-nav.open {
      display: block;
    }

    .nav-list {
      flex-direction: column;
      align-items: stretch;
      gap: 8px;
    }

    .nav-link {
      justify-content: flex-start;
      font-size: 15px;
      padding: 13px 16px;
    }

    .nav-link.active {
      background: var(--brand-50);
    }

    .hero-inner {
      padding-top: 54px;
      padding-bottom: 92px;
      gap: 32px;
    }

    .hero-title {
      font-size: 31px;
    }

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

    .hero-visual-inner img {
      height: 220px;
    }

    .hero-note-card {
      padding: 10px 14px;
      bottom: 16px;
      left: 8px;
      font-size: 12px;
    }

    .hero-note-card.up {
      top: 12px;
      right: 8px;
    }

    .metric-strip {
      margin-top: -36px;
    }

    .metric-item {
      padding: 18px 14px;
      flex-direction: column;
    }

    .metric-num {
      font-size: 25px;
    }

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

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

    .compare-new {
      border-left: 0;
      border-top: 1px dashed rgba(18, 128, 106, .25);
    }

    .structure-layout {
      align-items: flex-start;
    }

    .structure-illustrate img {
      width: 94px;
      height: 94px;
    }

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

    .faq-a {
      padding: 0 18px;
    }

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 30px;
    }

    .footer-bottom {
      flex-direction: column;
      align-items: flex-start;
    }
  }

  @media (max-width: 480px) {
    .metric-grid {
      grid-template-columns: 1fr 1fr;
    }

    .metric-item {
      padding: 16px 10px;
      gap: 8px;
    }

    .metric-icon {
      display: none;
    }

    .metric-num {
      font-size: 21px;
    }

    .metric-label {
      font-size: 12px;
    }

    .btn-lg {
      width: 100%;
    }

    .hero-actions .btn {
      width: 100%;
    }

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